Rotary tiller and garden tool

Abstract

The present application provides a rotary tiller and a garden tool. The rotary tiller comprises: a frame, a shell assembly, a locomotion mechanism, a blade assembly, and a power source. The shell assembly is mounted on the frame and forms a first containing cavity, a second containing cavity and a third containing cavity; the locomotion mechanism is mounted on the frame to drive the frame to move, the locomotion mechanism comprises a first driving device, and the first driving device is at least partially mounted in the second containing cavity; the blade assembly is mounted on the frame to implement ploughing, the blade assembly comprises a second driving device, and the second driving device is at least partially mounted in the third containing cavity; the power source is mounted in the first containing cavity to provide energy support for the locomotion mechanism and / or the blade assembly; an air inlet is formed in the first containing cavity, an air outlet is formed in the third containing cavity, and airflow enters the first containing cavity from the air inlet, sequentially passes through the second containing cavity and the third containing cavity and is then discharged from the air outlet. The present application is an improvement with respect to the heat dissipation structure and the heat dissipation efficiency of existing rotary tillers.

Description

A rotary cultivator and garden tool TECHNICAL FIELD

[0001] The present application relates to the field of garden tools, in particular to a rotary cultivator and garden tool. BACKGROUND

[0002] The rotary cultivator is one of agricultural machinery, which is usually driven by a walking mechanism to walk the frame, and breaks the ground through the cutting tool assembly installed on the frame to break the soil for subsequent planting work. However, in the existing rotary cultivator, the power source, the driving device in the cutting tool assembly and the driving device of the walking mechanism are relatively independently arranged and naturally cooled, and the cooling structure and cooling efficiency are insufficient, which needs to be further optimized. In addition, the existing rotary cultivator has slow line cooling, long maintenance and troubleshooting time, which prolongs the downtime of the rotary cultivator and reduces the work efficiency of the rotary cultivator. SUMMARY

[0003] In view of the above shortcomings of the prior art, the present application provides a rotary cultivator and garden tool to improve the cooling structure and cooling efficiency of the existing garden tool.

[0004] To achieve the above object and other related objects, the present application provides a rotary cultivator, which comprises a frame, a shell assembly, a walking mechanism, a cutting tool assembly and a power source. The shell assembly is installed on the frame and forms a first accommodating cavity, a second accommodating cavity and a third accommodating cavity; the walking mechanism is installed on the frame to drive the frame to walk, and comprises a first driving device, which is at least partially installed in the second accommodating cavity; the cutting tool assembly is installed on the frame to perform tillage work, and comprises a second driving device, which is at least partially installed in the third accommodating cavity; the power source is installed in the first accommodating cavity to provide energy support for the walking mechanism and / or the cutting tool assembly; wherein an air inlet is formed on the first accommodating cavity, and an air outlet is formed on the second accommodating cavity, and the airflow enters the first accommodating cavity from the air inlet and is sequentially discharged from the air outlet through the second accommodating cavity and the third accommodating cavity.

[0005] In an embodiment of the rotary cultivator of the present application, the rotary cultivator further comprises a fourth accommodating cavity for accommodating control elements, which is arranged in the second accommodating cavity and / or the third accommodating cavity, and the airflow enters the fourth accommodating cavity from the second accommodating cavity and enters the third accommodating cavity from the fourth accommodating cavity.

[0006] In an embodiment of the rotary cultivator of the present application, the second driving device comprises a motor, a fan blade is installed on the rotating shaft of the motor, the suction side of the fan blade is connected to the air inlet, and the exhaust side of the fan blade is connected to the air outlet.

[0007] In an embodiment of the rotary cultivator, the second driving device further comprises a fan cover, the fan cover has a fifth accommodating cavity, the fan is installed in the fifth accommodating cavity, and the fifth accommodating cavity is in communication with the fourth accommodating cavity and the air outlet respectively.

[0008] In an embodiment of the rotary cultivator, the rotary cultivator further comprises a box body, the box body is arranged on the frame at the front side of the shell assembly to accommodate a counterweight assembly and / or storage goods, and the air inlet is arranged on the box wall of the first accommodating cavity facing the box body.

[0009] In an embodiment of the rotary cultivator, the cultivator blade assembly comprises a cultivator blade cover, and the air outlet is arranged at the rear side of the third accommodating cavity and inclined downward toward the cultivator blade cover.

[0010] In an embodiment of the rotary cultivator, the rotary cultivator further comprises a suction device, the suction device is arranged on the flow channel of the air flow, the air suction port of the suction device faces the side of the air inlet, and the air exhaust port of the suction device faces the side of the air outlet.

[0011] In an embodiment of the rotary cultivator, the air inlet and / or the air outlet are provided with a grille and / or a filtering device.

[0012] In an embodiment of the rotary cultivator, the air inlet is provided with a first grille, the blades of the first grille extend in the horizontal direction, and the blades are provided with protrusions for blocking rainwater.

[0013] In an embodiment of the rotary cultivator, the air outlet is provided with a second grille and a filtering device, the second grille is detachably installed on the air outlet, and the filtering device is arranged on the second grille.

[0014] In an embodiment of the rotary cultivator, the box wall of the first accommodating cavity at the upper side of the air inlet protrudes outward of the air inlet.

[0015] In an embodiment of the rotary cultivator, the rotary cultivator further comprises a counterweight assembly, the traveling mechanism comprises two traveling wheels coaxially arranged, the second accommodating cavity is arranged at the bottom of the frame and located between the two traveling wheels, the counterweight assembly is located at the front side of the two traveling wheels, and the cultivator blade assembly is located at the rear side of the two traveling wheels.

[0016] In an embodiment of the rotary cultivator, the rotary cultivator further comprises a handrail assembly, the handrail assembly is connected to the frame at the front side of the cultivator blade assembly, and the holding part of the handrail assembly extends to the side of the cultivator blade assembly away from the traveling wheels.

[0017] In an embodiment of the rotary cultivator, the box is mounted on the frame and is capable of accommodating the second battery and / or the weight assembly to adjust the center of gravity of the rotary cultivator.

[0018] In an embodiment of the rotary cultivator, the box comprises a seventh accommodating cavity and a sixth accommodating cavity, at least one of the seventh accommodating cavity and the sixth accommodating cavity is configured to be capable of accommodating the second battery.

[0019] In an embodiment of the rotary cultivator, the power source comprises a first battery, the second battery is arranged in at least one of the seventh accommodating cavity and the sixth accommodating cavity, and has a first state of being electrically connected with the first battery and a second state of being separated from the first battery.

[0020] In an embodiment of the rotary cultivator, the second battery provides the endurance power for the traveling mechanism and / or the blade assembly when the second battery is in the first state, and the second battery adjusts the center of gravity of the rotary cultivator alone or together with the weight assembly when the second battery is in the second state.

[0021] In an embodiment of the rotary cultivator, the seventh accommodating cavity and / or the sixth accommodating cavity that accommodates the second battery is provided with an input interface, the second battery is plug-connected with the input interface, and the box is further provided with an output interface that is electrically connected with the input interface and is electrically connected with the first battery through a first connecting line.

[0022] In an embodiment of the rotary cultivator, the seventh accommodating cavity and / or the sixth accommodating cavity that accommodates the second battery is provided with a first connecting line, one end of the first connecting line is electrically connected with the first battery, and the other end is provided with a plug that is plug-connected with the second battery.

[0023] In an embodiment of the rotary cultivator, the seventh accommodating cavity and / or the sixth accommodating cavity that accommodates the second battery is provided with a positioning block that positions the mounting position of the second battery.

[0024] In an embodiment of the rotary cultivator, the box comprises a lower box and a cover, the seventh accommodating cavity and the sixth accommodating cavity are arranged on the lower box, and the cover covers the opening of the seventh accommodating cavity and the sixth accommodating cavity.

[0025] In an embodiment of the rotary cultivator, the cover comprises a first cover, the first cover is hingedly connected with the lower box, and the first cover covers the seventh accommodating cavity and / or the sixth accommodating cavity that accommodates the second battery.

[0026] In an embodiment of the rotary cultivator, the rotary cultivator further comprises a blade guard, a rear baffle and a limiting assembly; the blade assembly is mounted on the frame and comprises a blade for rotary cultivation; the blade guard is mounted on the frame and covers the blade; the rear baffle is detachably and rotatably mounted on the blade guard and located at the rear end of the blade; and the limiting assembly is arranged on the blade guard and / or the rear baffle to prevent the rear baffle from being separated from the blade guard.

[0027] In an embodiment of the rotary cultivator, the blade guard and / or the rear baffle are provided with a rotating assembly, and the rear baffle is rotatably connected to the blade guard through the rotating assembly.

[0028] In an embodiment of the rotary cultivator, the rotating assembly comprises a first rotating shaft, and the rear baffle is rotatably connected to the blade guard through the first rotating shaft; the first rotating shaft has a first state of being connected to the blade guard and the rear baffle and a second state of being separated from the blade guard and / or the rear baffle.

[0029] In an embodiment of the rotary cultivator, the limiting assembly comprises a baffle plate, the baffle plate is mounted on the blade guard, and the baffle plate is stopped at the end of the first rotating shaft to keep the first rotating shaft in the first state.

[0030] In an embodiment of the rotary cultivator, the limiting assembly further comprises a connecting plate, one end of the connecting plate is fixedly connected to the blade guard, and the other end of the connecting plate is detachably connected to the baffle plate.

[0031] In an embodiment of the rotary cultivator, at least two groups of bolt fasteners are arranged between the baffle plate and the blade guard.

[0032] In an embodiment of the rotary cultivator, one end of the baffle plate close to the first rotating shaft is provided with a hand-held part.

[0033] In an embodiment of the rotary cultivator, one end of the rear baffle towards the ground is provided with a sawtooth structure to perform a scraping operation on the ground.

[0034] In an embodiment of the rotary cultivator, the blade guard is further provided with a damping rod, the damping rod is mounted through the blade guard, and the part of the damping rod between the blade and the rear baffle can abut against the side of the rear baffle towards the blade.

[0035] In an embodiment of the rotary cultivator, the housing assembly comprises a third housing; the third housing is mounted on the frame and forms a third accommodating cavity with the frame; at least a plurality of interfaces are arranged in the third accommodating cavity, the third housing is provided with an opening for the interface to be connected to an external device, and the opening is detachably connected to a third cover.

[0036] In an embodiment of the rotary cultivator, a fourth housing is further arranged in the third accommodating cavity, and a control element for controlling the operation of the blade assembly and the walking of the frame is mounted in the fourth housing.

[0037] In an embodiment of the rotary cultivator, one of the opening and the third cover is provided with a first clamping groove, and the other of the opening and the third cover is provided with a protrusion, which is clamped in the first clamping groove.

[0038] In an embodiment of the rotary cultivator, the opening is provided with a protrusion, and the third cover is provided with a first clamping groove, and a closed-loop contact surface is formed between the first clamping groove and the protrusion and surrounds the opening.

[0039] In an embodiment of the rotary cultivator, the closed-loop contact surface is annularly provided with a second clamping groove, and a sealing element is arranged in the second clamping groove and is pressed against the third cover and the opening.

[0040] In an embodiment of the rotary cultivator, the protrusion is further provided with a second clamping groove, and the third cover is further provided with an extension, which extends into the second clamping groove and at least partially contacts an inner surface of the second clamping groove.

[0041] In an embodiment of the rotary cultivator, the opening further includes a cable passage, and the cable passage penetrates the closed-loop contact surface.

[0042] In an embodiment of the rotary cultivator, the cable passage includes an upper half passage arranged on the third cover and a lower half passage arranged on the opening, and the upper half passage and the lower half passage are correspondingly arranged.

[0043] In an embodiment of the rotary cultivator, the third housing is further provided with a first support portion arranged on an inner side and / or an outer side of the protrusion to support a cable arranged in the cable passage.

[0044] In an embodiment of the rotary cultivator, an inner side of the opening includes a first through hole communicating an inner side and an outer side of the third housing and a mounting plane facing an outer side of the opening.

[0045] In an embodiment of the rotary cultivator, the rotary cultivator includes a counterweight; the counterweight is arranged on the frame to adjust a gravity center position of the rotary cultivator; and the counterweight is adjustably arranged on the frame by an adjusting structure.

[0046] In an embodiment of the rotary cultivator, the adjusting structure adjusts the position of the counterweight along a walking direction of the frame.

[0047] In an embodiment of the rotary cultivator, the frame includes a main frame body and a counterweight mounting rack, the counterweight mounting rack is fixedly arranged on the main frame body; and the counterweight is adjustably arranged on the counterweight mounting rack by the adjusting structure.

[0048] In an embodiment of the rotary cultivator, the frame includes a main frame body and a counterweight mounting rack, the counterweight is fixedly arranged on the counterweight mounting rack, and the counterweight mounting rack is adjustably arranged on the main frame body by the adjusting structure.

[0049] In an embodiment of the rotary cultivator, the adjusting structure comprises a first mounting portion and a second mounting portion, the first mounting portion is arranged on one of the main frame body and the counterweight mounting frame, the second mounting portion is arranged on the other one of the main frame body and the counterweight mounting frame, the first mounting portion is connected to the second mounting portion in a clamping manner, and the first mounting portion has a plurality of mounting fixed positions relative to the second mounting portion.

[0050] In an embodiment of the rotary cultivator, the first mounting portion comprises a cylindrical hole, and the second mounting portion comprises a cylindrical surface, the cylindrical surface being clamped in the cylindrical hole.

[0051] In an embodiment of the rotary cultivator, the adjusting structure further comprises a locking assembly, the locking assembly being arranged on the first mounting portion and / or the second mounting portion to fix the second mounting portion to the corresponding mounting fixed position.

[0052] In an embodiment of the rotary cultivator, the locking assembly comprises a stopper and a plurality of adjusting holes, the adjusting holes being arranged on the first mounting portion and / or the second mounting portion in a spaced manner along the running direction of the rotary cultivator, and the stopper being clamped in the adjusting holes.

[0053] In an embodiment of the rotary cultivator, the counterweight comprises a box body and a counterweight assembly, the box body being adjustably mounted on the frame, and the counterweight assembly being mounted in the box body.

[0054] In an embodiment of the rotary cultivator, the power source comprises a first battery configured to provide electric energy for the operation of the blade assembly and / or the running of the frame; the box body comprises a seventh accommodating cavity and a sixth accommodating cavity, at least one of the seventh accommodating cavity and the sixth accommodating cavity being configured to accommodate a second battery and / or the counterweight assembly.

[0055] In an embodiment of the rotary cultivator, the rotary cultivator comprises a handrail assembly mounted on the frame to control the running direction of the rotary cultivator, the handrail assembly comprising a handle and a control mechanism configured to control the running mechanism and the blade assembly.

[0056] In an embodiment of the rotary cultivator, the frame comprises a mounting portion arranged on the rear side, the transmission mechanism being mounted on the lower side of the mounting portion, and the power mechanism being in transmission connection with the transmission mechanism and located on the upper side of the mounting portion.

[0057] In an embodiment of the rotary cultivator, the transmission mechanism comprises a transmission box, a gear set and a second transmission shaft, the transmission box being fixedly connected with the mounting portion, the gear set being mounted in the transmission box, the second transmission shaft being in transmission connection with the gear set, and the blade being mounted on the second transmission shaft.

[0058] In an embodiment of the rotary cultivator, the control mechanism comprises a first operating member, a second operating member and a controller, the first operating member and the second operating member are installed on the handle, the first operating member and the second operating member are both in signal connection with the controller, and the controller is in electrical connection with the walking mechanism and the cultivator assembly.

[0059] In an embodiment of the rotary cultivator, one or both of a first switch or a first speed-changing reversing knob are arranged on the first operating member, and one or both of a second switch or a second speed-changing reversing knob are arranged on the second operating member.

[0060] In an embodiment of the rotary cultivator, the control mechanism further comprises a pull rod switch, the pull rod switch controls the walking mechanism through cooperation with the first operating member, and the pull rod switch controls the cultivator assembly through cooperation with the second operating member.

[0061] In an embodiment of the rotary cultivator, the rotation of the cultivator in the first direction is provided with at least one gear position, and the speed range of the rotation of the cultivator in the first direction is 160 rpm-280 rpm.

[0062] In an embodiment of the rotary cultivator, the rotation of the cultivator in the second direction is provided with at least one gear position, and the speed range of the rotation of the cultivator in the second direction is 100 rpm-160 rpm.

[0063] In an embodiment of the rotary cultivator, the forward operation of the walking mechanism is provided with at least one gear position, and the speed range of the forward operation of the walking mechanism is 16 rpm-62 rpm.

[0064] In an embodiment of the rotary cultivator, the backward operation of the walking mechanism is provided with at least one gear position, and the speed range of the backward operation of the walking mechanism is 16 rpm-45 rpm.

[0065] In an embodiment of the rotary cultivator, the function mode of the rotary cultivator at least comprises one of a transportation mode, a working mode and a reverse mode.

[0066] In an embodiment of the rotary cultivator, at least one support is arranged between the mounting portion and the transmission box to reinforce the connection between the transmission box and the mounting portion.

[0067] In an embodiment of the rotary cultivator, the rotary cultivator comprises a tool assembly, the tool assembly is installed on the frame at the rear side of the cultivator assembly to perform garden work corresponding to the function thereof.

[0068] In an embodiment of the rotary cultivator, the tool assembly comprises one of a plough, a furrowing assembly, a harvesting assembly, a harrowing assembly, a seeding assembly, a weeding assembly, a backfilling assembly, a wind-borne pesticide spraying assembly, a furrowing and fertilizing assembly, a straw returning assembly, a strawberry ridging assembly, a potato harvesting assembly, a wheat seeding assembly, or a film covering and pesticide spraying assembly.

[0069] In an embodiment of the rotary cultivator, the rear side of the frame is provided with a first mounting portion and a second mounting portion, the second mounting portion is fixedly connected with the first mounting portion, the second mounting portion comprises a fixing sleeve and a first rod, the fixing sleeve is in sliding connection with the first rod, a side wall of the fixing sleeve is provided with a locking piece, and a plurality of through holes are formed in the first rod.

[0070] In an embodiment of the rotary cultivator, the tool assembly is a plough, the plough comprises a plough share and a second rod connected with the plough share, and the second rod is detachably connected with the first rod.

[0071] In an embodiment of the rotary cultivator, the two ends of the plough share are respectively provided with a first extension portion and a second extension portion which are symmetrically arranged about the symmetry axis of the plough share.

[0072] In an embodiment of the rotary cultivator, one end of the second rod is provided with a first connecting portion connected with the first rod, and the other end of the second rod is provided with a second connecting portion connected with the plough share.

[0073] In an embodiment of the rotary cultivator, the rotary cultivator further comprises a protective cover, the protective cover is mounted on the side of the first mounting portion away from the cultivator assembly, the protective cover comprises an upper cover body, a first side cover body, a second side cover body, and a rear cover body, the upper cover body is fixedly connected with the first mounting portion, the first side cover body and the second side cover body are fixedly connected to the two ends of the side surface of the upper cover body, and the rear cover body is hingedly connected to the rear end of the upper cover body.

[0074] In an embodiment of the rotary cultivator, the upper end of the second rod is provided with a convex portion, the inner side of the rear cover body is provided with a connecting piece, and the connecting piece is detachably connected with the convex portion.

[0075] In an embodiment of the rotary cultivator, the rear side of the frame is provided with a second mounting portion, and the tool assembly comprises a connecting mechanism which is detachably connected with the second mounting portion.

[0076] The present application provides a garden tool, which comprises a frame, a shell assembly, a walking mechanism, a tool assembly and a power source. The shell assembly is mounted on the frame and is formed with a first accommodating cavity, a second accommodating cavity and a third accommodating cavity; the walking mechanism is mounted on the frame to drive the frame to walk, and comprises a first driving device which is at least partially mounted in the second accommodating cavity; the tool assembly is mounted on the frame to perform corresponding work, and comprises a second driving device which is at least partially mounted in the third accommodating cavity; the power source is mounted in the first accommodating cavity to provide energy support for the walking mechanism and / or the tool assembly; wherein an air inlet is formed on the first accommodating cavity, and an air outlet is formed on the second accommodating cavity, and air flows into the first accommodating cavity from the air inlet and is discharged from the air outlet after sequentially passing through the second accommodating cavity and the third accommodating cavity.

[0077] In an embodiment of the garden tool, the garden tool further comprises a box body; the box body is mounted on the frame and can accommodate a second battery and / or a counterweight assembly to adjust the center of gravity of the rotary tiller.

[0078] In an embodiment of the garden tool, the garden tool further comprises a tiller guard, a rear baffle and a limiting assembly; the tiller assembly is mounted on the frame and comprises a tiller for rotary tillage work; the tiller guard is mounted on the frame and covers the tiller; the rear baffle is detachably and rotatably mounted on the tiller guard and is located at the rear end of the tiller; the limiting assembly is arranged on the tiller guard and / or the rear baffle to prevent the rear baffle from being separated from the tiller guard.

[0079] In an embodiment of the garden tool, the shell assembly comprises a third shell; the third shell is mounted on the frame and forms a third accommodating cavity with the frame; wherein a plurality of interfaces are arranged in the third accommodating cavity, and the third shell is provided with an opening for the interfaces to be connected with external devices, and a third cover is detachably connected to the opening.

[0080] In an embodiment of the garden tool, the garden tool comprises a counterweight; the counterweight is arranged on the frame to adjust the center of gravity of the rotary tiller; wherein the counterweight is adjustably mounted on the frame through an adjusting structure.

[0081] In an embodiment of the garden tool, the garden tool comprises a handrail assembly; the handrail assembly is mounted on the frame to control the running direction of the rotary tiller, and comprises a handle and a control mechanism for controlling the walking mechanism and the tiller assembly.

[0082] In an embodiment of the garden tool, the garden tool comprises a tool assembly; the tool assembly is mounted on the frame at the rear side of the tiller assembly to perform garden work corresponding to the function thereof.

[0083] In the garden tool and the rotary tiller, the front side wall of the first accommodating cavity is provided with an air inlet, and the rear side wall of the third accommodating cavity is provided with an air outlet. In the process of walking of the frame, the airflow can enter the first accommodating cavity from the air inlet on the front side wall of the first accommodating cavity, and then pass through the second accommodating cavity and the third accommodating cavity and be discharged from the air outlet on the rear side wall of the third accommodating cavity. The plurality of boxes can be connected in series through an airflow passage, and the airflow can be introduced into the air inlet through the relative motion of the airflow in the process of walking of the frame, and the heat in each box can be discharged in time through the flowing airflow, so that the heat dissipation layout structure is improved, and the heat dissipation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0084] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other embodiments can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0085] Fig. 1 is a cross-sectional view of the rotary tiller after removing some parts of an embodiment of the present application;

[0086] Fig. 2 is a three-dimensional schematic view of an embodiment of the rotary tiller of the present application;

[0087] Fig. 3 is a three-dimensional exploded schematic view of an embodiment of the rotary tiller of the present application;

[0088] Fig. 4 is a combined schematic view of the first shell and the third shell in an embodiment of the rotary tiller of the present application;

[0089] Fig. 5 is a cross-sectional schematic view of the first shell and the third shell in an embodiment of the rotary tiller of the present application;

[0090] Fig. 6 is a partial enlarged view of region A in Fig. 5;

[0091] Fig. 7 is a partial enlarged view of region B in Fig. 5;

[0092] Fig. 8 is a three-dimensional view of the first shell in an embodiment of the rotary tiller of the present application;

[0093] Fig. 9 is a three-dimensional view of the frame in an embodiment of the rotary tiller of the present application;

[0094] Fig. 10 is a three-dimensional connection view of the fourth shell and the fan cover in an embodiment of the rotary tiller of the present application;

[0095] Fig. 11 is a three-dimensional cross-sectional view of the fourth shell, the fan cover and the second driving device in an embodiment of the rotary tiller of the present application;

[0096] Fig. 12 is a sectional view of the fourth housing, the fan cover and the second driving device in an embodiment of the rotary cultivator of the present application;

[0097] Fig. 13 is a three-dimensional view of one side of the fourth housing in an embodiment of the rotary cultivator of the present application;

[0098] Fig. 14 is a three-dimensional view of the other side of the fourth housing in an embodiment of the rotary cultivator of the present application;

[0099] Fig. 15 is a three-dimensional view of the third housing in an embodiment of the rotary cultivator of the present application;

[0100] Fig. 16 is an exploded view of the third housing, the second grid and the filtering device in an embodiment of the rotary cultivator of the present application;

[0101] Fig. 17 is a three-dimensional view of the overall structure of an embodiment of the rotary cultivator of the present application;

[0102] Fig. 18 is a three-dimensional view of the overall structure of an embodiment of the rotary cultivator of the present application from another angle;

[0103] Fig. 19 is a structural view of the second housing without the first cover plate in an embodiment of the rotary cultivator of the present application;

[0104] Fig. 20 is a partial enlarged view of region I in Fig. 19;

[0105] Fig. 21 is a structural view of the second housing with the first cover plate in an embodiment of the rotary cultivator of the present application;

[0106] Fig. 22 is a partial enlarged view of region II in Fig. 21;

[0107] Fig. 23 is a partial sectional view of an embodiment of the rotary cultivator of the present application;

[0108] Fig. 24 is a partial enlarged view of region C in Fig. 23;

[0109] Fig. 25 is a partial view of the cultivator assembly in an embodiment of the rotary cultivator of the present application;

[0110] Fig. 26 is a partial structural view of the armrest assembly in an embodiment of the rotary cultivator of the present application;

[0111] Fig. 27 is a structural view of the seventh accommodating cavity and the sixth accommodating cavity formed in the box body in an embodiment of the rotary cultivator of the present application;

[0112] Fig. 28 is a structural view of the second battery installed in the seventh accommodating cavity in an embodiment of the rotary cultivator of the present application;

[0113] Fig. 29 is a partial sectional view of the box body in an embodiment of the rotary cultivator of the present application;

[0114] Figure 30 is a schematic diagram of the structure of the box body provided with a cover body in an embodiment of the rotary cultivator of the present application;

[0115] Figure 31 is a schematic diagram of the three-dimensional overall structure of an embodiment of the rotary cultivator of the present application;

[0116] Figure 32 is a partial sectional view of an embodiment of the rotary cultivator of the present application;

[0117] Figure 33 is a partial enlarged view of region D in Figure 32;

[0118] Figure 34 is a schematic diagram of the partial structure of a handrail assembly in an embodiment of the rotary cultivator of the present application;

[0119] Figure 35 is a schematic diagram of the partial structure of a cultivator blade assembly in an embodiment of the rotary cultivator of the present application;

[0120] Figure 36 is a schematic diagram of the connection structure between a rear wall and a cultivator blade cover in an embodiment of the rotary cultivator of the present application;

[0121] Figure 37 is a partial enlarged view of region M in Figure 36;

[0122] Figure 38 is a schematic diagram of the mounting structure between a rear wall and a first rotary shaft in an embodiment of the rotary cultivator of the present application;

[0123] Figure 39 is a partial enlarged view of region E in Figure 38;

[0124] Figure 40 is a schematic diagram of the mounting position of a cultivator blade cover and a first rotary shaft in an embodiment of the rotary cultivator of the present application;

[0125] Figure 41 is a partial enlarged view of region F in Figure 40;

[0126] Figure 42 is a schematic diagram of the structure of a first rotary shaft in an embodiment of the rotary cultivator of the present application;

[0127] Figure 43 is a schematic diagram of the partial structure of a cultivator blade assembly in an embodiment of the rotary cultivator of the present application;

[0128] Figure 44 is a partial sectional view of an embodiment of the rotary cultivator of the present application;

[0129] Figure 45 is a partial enlarged view of region N in Figure 44;

[0130] Figure 46 is a schematic diagram of the structure of the mounting and opening of a first cover body in an embodiment of the rotary cultivator of the present application;

[0131] Figure 47 is a schematic diagram of the structure of the opening without the first cover body in an embodiment of the rotary cultivator of the present application;

[0132] Figure 48 is a partial schematic diagram of a fourth housing in a third accommodating cavity in an embodiment of the rotary cultivator of the present application;

[0133] Figure 49 is a three-dimensional structural schematic diagram of the first cover of an embodiment of the rotary cultivator of the present application;

[0134] Figure 50 is a sectional view of the first cover of an embodiment of the rotary cultivator of the present application;

[0135] Figure 51 is a partial enlarged view of region Q in Figure 50;

[0136] Figure 52 is a schematic diagram of the installation of the pipe clamp at the opening of an embodiment of the rotary cultivator of the present application;

[0137] Figure 53 is a schematic diagram of the clamping connection of the first cover and the opening of an embodiment of the rotary cultivator of the present application;

[0138] Figure 54 is a three-dimensional structural schematic diagram of an embodiment of the rotary cultivator of the present application;

[0139] Figure 55 is a three-dimensional structural schematic diagram of an embodiment of the rotary cultivator of the present application from another angle;

[0140] Figure 56 is a three-dimensional structural schematic diagram of an embodiment of the rotary cultivator of the present application from yet another angle;

[0141] Figure 57 is a partial enlarged view of region T in Figure 56;

[0142] Figure 58 is a structural schematic diagram of an embodiment of the rotary cultivator of the present application in which the first cover is not installed on the first shell;

[0143] Figure 59 is a partial structural schematic diagram of a cultivator assembly of an embodiment of the rotary cultivator of the present application;

[0144] Figure 60 is a partial sectional view of an embodiment of the rotary cultivator of the present application;

[0145] Figure 61 is a partial enlarged view of region G in Figure 60;

[0146] Figure 62 is a partial structural schematic diagram of the frame and the traveling mechanism of an embodiment of the rotary cultivator of the present application;

[0147] Figure 63 is a partial enlarged view of region H in Figure 62;

[0148] Figure 64 is a partial installation schematic diagram of the counterweight on the counterweight mounting frame of an embodiment of the rotary cultivator of the present application;

[0149] Figure 65 is a structural schematic diagram of an embodiment of the rotary cultivator of the present application in which the box is provided with a seventh accommodating cavity and a sixth accommodating cavity;

[0150] Figure 66 is a structural schematic diagram of an embodiment of the rotary cultivator of the present application;

[0151] Figure 67 is a structural schematic diagram of the frame, the traveling mechanism, the cultivator assembly, and the handrail assembly of an embodiment of the rotary cultivator of the present application;

[0152] Fig. 68 is a structural schematic diagram of a coulter assembly of an embodiment of the rotary cultivator of the present application;

[0153] Fig. 69 is a schematic diagram of the installation of a coulter assembly and a frame of an embodiment of the rotary cultivator of the present application;

[0154] Fig. 70 is a structural schematic diagram of a handrail assembly of an embodiment of the rotary cultivator of the present application;

[0155] Fig. 71 is a schematic diagram of a first support of an embodiment of the rotary cultivator of the present application;

[0156] Fig. 72 is a schematic diagram of a second support of an embodiment of the rotary cultivator of the present application;

[0157] Fig. 73 is a schematic diagram of the overall structure of an embodiment of the rotary cultivator of the present application;

[0158] Fig. 74 is a structural schematic diagram of a frame, a traveling mechanism, a coulter assembly, a handrail assembly and a tool assembly of an embodiment of the rotary cultivator of the present application;

[0159] Fig. 75 is a schematic diagram of the installation of a protective cover and a tool assembly of an embodiment of the rotary cultivator of the present application;

[0160] Fig. 76 is a schematic diagram of the installation of a protective cover and a tool assembly of an embodiment of the rotary cultivator of the present application from another angle;

[0161] Fig. 77 is an enlarged view of III in Fig. 76;

[0162] Fig. 78 is a schematic diagram of the installation of a frame and a tool assembly of an embodiment of the rotary cultivator of the present application;

[0163] Fig. 79 is a structural schematic diagram of a second installation portion of an embodiment of the rotary cultivator of the present application;

[0164] Fig. 80 is a structural schematic diagram of a plow of an embodiment of the tool assembly in the rotary cultivator of the present application.

[0165] Element No. 1000, rotary cultivator; 100, frame; 101, main frame body; 102, counterweight mounting frame; 1021, third support part; 1022, stop part; 110, traveling mechanism; 111, traveling wheel; 112, first driving device; 113, handrail frame; 114, cultivator blade mounting frame; 115, first transmission assembly; 116, first transmission shaft; 200, shell assembly; 202, opening part; 2021, second protruding part; 2022, second clamping groove; 2023, first through hole; 2024, mounting plane; 203, third cover body; 2031, first clamping groove; 2032, extension part; 2033, first connecting bolt; 2034, body part; 2035, turned edge part; 204, closed loop contact surface; 205, cable passage; 2051, upper half passage; 2052, lower half passage; 206, first support part; 2061, first arc-shaped support surface; 207, second support part; 2071, second arc-shaped support surface; 208, pipe clamp; 210, first shell; 211, first air inlet; 213, first air outlet; 214, clamping table; 215, first grid; 216, blade; 2161, first protruding part; 217, first containing cavity; 220, second shell; 221, second air inlet; 222, second air outlet; 223, second containing cavity; 224, first cover plate; 230, third shell; 231, third air inlet; 232, third air outlet; 233, third containing cavity; 234, filtering device; 235, second grid; 300, cultivator blade assembly; 310, second driving device; 311, suction device; 3111, fan blade; 312, motor; 320, cultivator blade; 330, cultivator blade cover; 331, first support frame; 3310, fifth mounting part; 3320, first support; 3330, second support; 333, first mounting part; 3331, first mounting hole; 3340, sixth mounting part; 3341, fixing sleeve; 3342, sixth rod; 3343, locking piece; 3344, through hole; 3345, handle; 3346, limiting member; 340, rear wall; 341, first bending part; 342, sawtooth; 343, second mounting part; 3431, second mounting hole; 350, second transmission assembly; 351, second transmission shaft; 352, gear set; 353, transmission box; 360, rotation assembly; 361, first rotation shaft; 3611, boss; 3612, insertion end; 370, damping rod; 371, rod body; 3711, third adjusting hole; 372, fourth support part; 373, guide sleeve; 374, screw rod; 375, handle; 380, limiting assembly; 381, baffle; 382, connecting plate; 383, hand holding part; 384, bolt fastener; 390, fan blade cover; 391, fifth air outlet; 392, fifth containing cavity; 393, fifth air inlet; 400, power source; 410, first battery; 420, second battery; 500, box body; 501, seventh containing cavity;5011, positioning block; 502, sixth accommodating cavity; 510, lower box body; 520, cover body; 521, first cover body; 522, second cover body; 530, locking structure; 600, adjusting structure; 610, third mounting portion; 611, cylindrical surface; 620, fourth mounting portion; 621, cylindrical hole; 630, locking assembly; 631, stopper; 632, first adjusting hole; 633, second adjusting hole; 700, handrail assembly; 710, mounting seat; 711, clamping groove; 720, handle; 721, first rod; 722, second rod; 723, third rod; 724, fourth rod; 725, fifth rod; 730, control mechanism; 731, first operation member; 7311, first switch; 7312, first speed-adjusting reversing knob; 732, second operation member; 7321, second switch; 7322, second speed-adjusting reversing knob; 733, controller; 734, pull rod switch; 740, positioning rod; 800, fourth shell; 803, control element; 801, fourth air inlet; 802, fourth air outlet; 804, fourth accommodating cavity; 900, counterweight; 910, counterweight assembly; 3600, protective cover; 3610, upper cover body; 3620, first side cover body; 3630, second side cover body; 3640, rear cover body; 3641, connecting piece; 3800, tool assembly; 3810, plow; 3811, plow share; 3812, seventh rod; 38121, first connecting portion; 38122, second connecting portion; 38123, third protruding portion; 3813, first extension portion; 3814, second extension portion. DETAILED DESCRIPTION

[0166] The present application is described in greater detail by the following specific examples. Other advantages and benefits of the present application will become apparent to those of ordinary skill in the art upon implementation of the application and its embodiments hereinafter described. The present application may be implemented or carried out in other different ways than those specifically set forth herein without departing from the spirit of the application. It is therefore desired that the present application be considered in a descriptive sense only and not for purposes of limitation. The specific embodiments described herein and in the examples below are illustrative of specific ways to make and use the application, and do not limit the scope of the application. Unless otherwise specified, the test methods used in the examples below were conducted in accordance with conventional procedures or as recommended by the respective manufacturer.

[0167] When the embodiments give numerical ranges, it is understood that unless the application specifically states to the contrary, the complete range of equivalents likely or encompassed by two endpoints can be selected as a replacement for either endpoint. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, and any method and material similar or equivalent in function, in

[0168] It should be noted that the terms such as "upper", "lower", "left", "right", "middle", and "one" cited in the specification are only for the convenience of clear description, and are not intended to limit the scope of the application. The change or adjustment of the relative relationship without substantial change of the technical content is also regarded as the scope of the application.

[0169] Referring to FIGS. 1-16, the present application provides a rotary cultivator 1000 and garden tools, in which a plurality of boxes are connected in series through an air flow passage, and by selecting the positions of the air inlet and air outlet, the relative movement of the frame 100 during walking and the air flow can be used to introduce air flow into the air inlet, and the heat in each box can be promptly discharged through the flowing air flow, improving the heat dissipation structure and improving the heat dissipation efficiency.

[0170] Referring to FIGS. 1-3, the rotary cultivator 1000 includes a frame 100, a housing assembly 200, a walking mechanism 110, a cultivator assembly 300, and a power source 400.

[0171] The frame 100 is used to carry the parts of the entire rotary cultivator 1000, and the specific structure of the frame 100 is not limited as long as it can meet the strength requirement, including but not limited to cast structure, welded structure and sheet metal bending forming structure. The walking mechanism 110 is mounted on the frame 100 to drive the frame 100 to walk, and the structure of the walking mechanism 110 can refer to the structure of the walking mechanism of the existing rotary cultivator 1000, and will not be described in detail. In the present embodiment, the walking mechanism 110 includes a first driving device 112 and two walking wheels 111, the two walking wheels 111 are coaxially rotatably mounted below the frame 100, and the first driving device 112 drives the walking wheels 111 to rotate, thereby driving the frame 100 to walk.

[0172] The housing assembly 200 is mounted on the frame 100, and the mounting manner of the housing assembly 200 includes but is not limited to bolt connection and welding, and can also be a combination of various mounting manners. The housing assembly 200 includes a first housing 210, a second housing 220 and a third housing 230; the first housing 210, the second housing 220 and the third housing 230 can each independently form a containing cavity, or can be mounted on the frame 100 to jointly enclose a containing cavity with the frame 100 and / or adjacent housings. Specifically, referring to FIG. 1, in the embodiment, the first housing 210 is mounted on the frame 100 and located on the front side of the rotating shaft of the walking wheel 111, and the first housing 210 is provided with an independent first containing cavity 217. An air inlet is formed on the front side wall of the first housing 210. Considering that the entire air flow channel has multiple containing cavities, and each containing cavity has an air inlet, for ease of marking, referring to FIG. 6, the air inlet on the first housing 210 is marked as a first air inlet 211, the first air inlet 211 is in communication with the external atmosphere, and the first housing 210 is provided with a first air outlet 213 in communication with the first air inlet 211. The second housing 220 is mounted on the lower part of the frame 100 and jointly encloses a second containing cavity 223 with the plate surface on the frame 100. The second containing cavity 223 has a second air inlet 221 at a position corresponding to the first air outlet 213, and the second air inlet 221 is in communication with the first air outlet 213. The second containing cavity 223 is provided with a second air outlet 222 on the side facing the third housing 230. The third housing 230 is mounted on the upper part of the frame 100 and located on the rear side of the rotating shaft of the walking wheel 111. The third housing 230 encloses a third containing cavity 233 with the frame 100 and the rear wall of the first housing 210. The rear wall of the first housing 210 is provided with a clamping table 214, and the third housing 230 is clamped into the clamping table 214 and detachably connected with the frame 100. The third containing cavity 233 has a third air inlet 231 in communication with the third containing cavity 233 on the side facing the second air outlet 222, and the third air inlet 231 is in communication with the second air outlet 222. The rear side of the third housing 230 is provided with a third air outlet 232 in communication with the third containing cavity 233, and the third air outlet 232 is in communication with the external atmosphere.

[0173] Referring to FIGS. 1 to 3, the first driving device 112 is at least partially mounted in the second containing cavity 223 and drives the walking wheel 111 to walk. The first driving device 112 includes but is not limited to a motor, a combination of a motor and a speed reducer, or a combination of a motor and a gear set. The bottom of the second containing cavity 223 is closed to prevent soil from entering and polluting the first driving device 112 during tillage.

[0174] Referring to FIG. 1, the coulter assembly 300 is installed on the frame 100 to perform the plowing operation, and the structure and installation mode of the coulter assembly 300 can refer to the structure of the coulter assembly 300 of the existing rotary cultivator 1000. In the embodiment, the coulter assembly 300 includes a second driving device 310 and a coulter 320, the second driving device 310 is fixedly installed on the frame 100 and at least partially installed in the third accommodating cavity 233, and the coulter 320 is rotatably installed at the tail of the frame 100 and rotates under the driving of the second driving device 310. As long as the coulter 320 can be driven to rotate, the structure of the second driving device 310 is not limited, including but not limited to a motor, a combination of a motor and a speed reducer, or a combination of a motor and a gear set.

[0175] Referring to FIG. 1, the power source 400 is installed in the first accommodating cavity 217 of the first housing 210 and provides energy support for the traveling mechanism 110 and the coulter assembly 300; the type of the power source 400 is not limited, which can be a battery pack or an engine that converts fuel into mechanical energy, etc. In the embodiment, the power source 400 is a battery pack, which is installed in the first accommodating cavity 217 of the first housing 210 and provides electric energy for the first driving device 112, so that the traveling mechanism 110 drives the frame 100 to travel, and the battery pack also provides electric energy for the second driving device 310, so that the coulter assembly 300 performs the plowing operation. It should be noted that the power source 400 can include only one battery pack or a plurality of electrically connected battery packs. Although the battery pack in the embodiment simultaneously provides energy support for the traveling mechanism 110 and the coulter assembly 300, in other embodiments, the battery pack can only provide support for one of the traveling mechanism 110 and the coulter assembly 300, and the other one of the traveling mechanism 110 and the coulter assembly 300 is provided with energy support by another device.

[0176] Referring to FIG. 1, the first air inlet 211 is the starting point of the air flow into the rotary cultivator 1000 for cooling. The shape of the first air inlet 211 includes but is not limited to a circular shape, a square shape, a trapezoidal shape, a triangular shape, a special-shaped, etc. The position of the first air inlet 211 is appropriate to facilitate the air flow into the machine frame 100 during the running process. The third air outlet 232 is the terminal point of the air flow out of the rotary cultivator 1000. The shape of the second air outlet 222 includes but is not limited to a circular shape, a square shape, a trapezoidal shape, a triangular shape, a special-shaped, etc. During the running process of the machine frame 100, the air flow can enter the first containing cavity 217 from the first air inlet 211 on the front side wall of the first shell 210, and then pass through the second containing cavity 223 and the third containing cavity 233 in sequence and be discharged from the third air outlet 232. A plurality of containing cavities can be connected in series through an air flow passage, and by selecting the positions of the first air inlet 211 and the third air outlet 232, the air flow can be introduced into the first air inlet 211 by the relative movement between the machine frame 100 and the air flow during the running process, and the heat in each containing cavity can be discharged in time by the flowing air flow, thereby improving the structure of the heat dissipation layout and improving the heat dissipation efficiency.

[0177] Referring to FIGS. 1 to 3, in an embodiment of the rotary cultivator 1000 of the present application, the cultivator assembly 300 includes a cultivator guard 330, the rear side of the machine frame 100 is provided with a cultivator mounting rack 114, the cultivator 320 in the cultivator assembly 300 is rotatably mounted on the cultivator mounting rack 114, and the cultivator guard 330 of the cultivator assembly 300 is fixedly mounted on the machine frame 100 and covers the top of the cultivator 320. The third air outlet 232 is arranged on the rear side of the third shell 230 and obliquely downward toward the cultivator guard 330. The cultivator guard 330 can provide safety assurance for the operator on the one hand, and can shield the soil to prevent the soil from injuring the operator or entering the air outlet under the swing of the cultivator 320.

[0178] Referring to FIGS. 1 and 10 to 14, in an embodiment of the rotary cultivator 1000 of the present application, the rotary cultivator 1000 further includes a fourth shell 800 for containing a control element 803, the fourth shell 800 is arranged at the junction position of the second shell 220 and the third shell 230, and a part is located in the second shell 220 and another part is located in the third shell 230. The fourth shell 800 has a fourth containing cavity 804 therein, the control element 803 is installed in the fourth containing cavity 804, the fourth containing cavity 804 is provided with a fourth air inlet 801 on the side facing the air flow, and the fourth containing cavity 804 is provided with a fourth air outlet 802 on the side facing the air outlet. The air flow enters the fourth containing cavity 804 from the second containing cavity 223 and then enters the third containing cavity 233 from the fourth containing cavity 804. Those skilled in the art can understand that the fourth containing cavity 804 can also not be arranged, and the air flow only passes through the first containing cavity 217, the second containing cavity 223 and the third containing cavity 233 in sequence.

[0179] Please refer to FIG. 1 and FIG. 11, in an embodiment of the rotary cultivator 1000 of the present application, the rotary cultivator 1000 further comprises a suction device 311 arranged on the air flow passage. When the suction device 311 is arranged, the air flow in the whole cooling passage can be powered by the suction of the suction device, not limited to the relative movement of the air flow during walking, and has better cooling effect. It should be noted that the suction device 311 can be any device that can provide air flow, such as air pump, fan, etc. The suction device 311 can be arranged at any position on the air flow passage. In the embodiment, the air inlet of the suction device 311 is arranged on the side of the first air inlet 211, and the air outlet of the suction device 311 is arranged on the side of the third air outlet 232. In this way, the kinetic energy generated by the relative movement of the air flow during walking and the kinetic energy generated by the suction device 311 are superimposed and enhanced, which can improve the cooling efficiency or reduce the power of the suction device 311 while maintaining the same cooling efficiency. It should be noted that considering the reversibility of air flow, the air inlet of the suction device 311 can also be arranged on the side of the third air outlet 232, and the air outlet of the suction device 311 can be arranged on the side of the first air inlet 211. At this time, although there is also a cooling effect, compared with the scheme that the air outlet of the suction device 311 is arranged on the side of the third air outlet 232 and the air inlet of the suction device 311 is arranged on the side of the first air inlet 211, the relative energy consumption is higher and the cooling efficiency is lower.

[0180] In an embodiment of the rotary cultivator 1000 of the present application, the second driving device 310 comprises a motor 312, and the suction device 311 is a fan blade 3111 arranged on the rotating shaft of the motor 312. The air suction side of the fan blade 3111 is connected with the first air inlet 211, and the air exhaust side of the fan blade 3111 is connected with the third air outlet 232. In this way, the suction device 311 does not need to be additionally arranged, which can simplify the structure and save cost. Please refer to FIG. 1, FIG. 10 to FIG. 12, in an embodiment of the present application, under the action of the fan blade 3111, the air flow enters into the first shell 210 from the first air inlet 211, and after cooling the battery pack in the first shell 210, it enters into the second accommodating cavity 223 downward and cools the first driving device 112 in the second accommodating cavity 223, and then enters into the fourth shell 800, cools the control element 803, and then reaches the fan blade 3111 through the motor 312, and finally is exhausted from the third air outlet 232 under the action of the fan blade 3111, thereby completing the whole cooling.

[0181] Please refer to FIG. 10 to FIG. 14, in an embodiment of the rotary cultivator 1000 of the present application, the second driving device 310 further comprises a fan cover 390, the fan cover 390 has a fifth accommodating cavity 392 therein, the fan 3111 is arranged in the fifth accommodating cavity 392, the fifth accommodating cavity 392 has a fifth air inlet 393 and a fifth air outlet 391 respectively, the fifth air inlet 393 is connected with the fourth air outlet 802 on the fourth shell 800, and the fifth air outlet 391 is communicated with the third air outlet 232 on the third shell 230. Under the centrifugal action of the fan 3111, the airflow passes through the main body of the motor 312 from the fourth shell 800 and is discharged from the air outlet. The shape of the fan cover is suitable for facilitating the airflow to enter the fifth accommodating cavity 392 from the fifth air inlet 393 and to be discharged from the fifth air outlet 391, and in the embodiment, the shape of the fan cover 390 at the position corresponding to the fan 3111 is a volute.

[0182] In order to prevent foreign matter from entering, in the rotary cultivator 1000 of the present application, a grille and / or a filtering device can also be arranged on the first air inlet 211 and / or the third air outlet 232. Please refer to FIG. 1 and FIG. 15 to FIG. 16, in the embodiment, the first grille 215 is arranged on the first air inlet 211, the second grille 235 and the filtering device 234 are arranged on the third air outlet 232, the second grille 235 is provided with buckles which are detachably mounted on the third shell 230, and the filtering device 234 is arranged on the second grille 235. The mounting mode is not limited as long as it does not affect the discharge of the airflow. Considering that the third air outlet 232 is arranged downward and the second grille 235 is detachably clamped on the third air outlet 232, in the embodiment, the filtering device 234 is positioned on the second grille 235 or is press-fitted on the second grille 235. In this way, the filtering device 234 is convenient to replace. The filtering device 234 can be any suitable structure which allows the airflow to pass through and can intercept particulate matter, including but not limited to felt, filter cotton, mesh barrier, etc. It should be noted that in some other embodiments of the present application, a filtering device can also be arranged on the first air inlet 211, or no filtering device 234 is arranged on the third air outlet 232. If foreign matter or insects are not considered to enter, only the first grille 215 or the second grille 235 can be arranged.

[0183] Please refer to FIG. 5 to FIG. 6, in order to intercept rainwater or dust, in an embodiment of the rotary cultivator 1000 of the present application, the blades 216 of the first grille 215 extend along the horizontal direction, and the first protrusions 2161 for blocking the rainwater or dust from entering are arranged on the blades 216. The first protrusions 2161 extend along the extension direction of the blades 216, and can intercept the rainwater or dust when they enter along the blades 216.

[0184] In the embodiment of the rotary cultivator 1000, the box wall of the first shell 210 on the upper side of the air inlet is protrudingly arranged outside the first air inlet 211. The protrudingly arranged box wall can shield rainwater and prevent rainwater from entering the first air inlet 211.

[0185] Referring to FIGS. 1 to 3, in the embodiment of the rotary cultivator 1000, the rotary cultivator 1000 further comprises a box body 500 mounted on the frame 100 at the front side of the first shell 210 to accommodate the counterweight assembly and / or storage goods; the first air inlet 211 is formed in the box wall of the first shell 210 facing the box body 500. Along the walking direction of the rotary cultivator 1000 (as shown by the Y-axis direction in FIG. 1), the box body 500 is mounted on the frame 100 near the head side of the rotary cultivator 1000 and is located on the front and rear sides of the walking wheels 111 together with the cultivator assembly 300. The box body 500 is connected to the frame 100, and the connection mode includes but is not limited to bolted connection. The specific shape of the box body 500 is not limited, for example, it can be a cuboid structure, a square structure or a cylindrical structure, etc. In the present application, the box body 500 is approximately a cuboid structure. Specifically, in the present embodiment, the box body 500 is provided with a sixth accommodating cavity 502 and a seventh accommodating cavity 501, which can accommodate the counterweight assembly and / or storage goods. At least one of the sixth accommodating cavity 502 and the seventh accommodating cavity 501 can accommodate a spare battery pack. This arrangement can not only store the spare battery pack, but also use the spare battery pack as a counterweight to adjust the center of gravity of the rotary cultivator 1000, and also provide the walking mechanism 110 and / or the cultivator assembly 300 with power. In the present embodiment, one of the sixth accommodating cavity 502 and the seventh accommodating cavity 501 is used to accommodate a spare battery, and the other is used to accommodate a counterweight assembly. In some other embodiments of the present application, the box body 500 has only one accommodating cavity and cannot accommodate a spare battery pack, but is only used to accommodate a counterweight assembly. The counterweight assembly can be mud, sand, maintenance tools, or other spare parts, seeds, etc. for normal plowing, which can also adjust the center of gravity of the rotary cultivator 1000.

[0186] In another embodiment of the rotary cultivator 1000, the rotary cultivator 1000 comprises a counterweight assembly but does not comprise a box body 500, the walking mechanism 110 comprises two walking wheels 111 coaxially arranged, the second shell 220 is arranged at the bottom of the frame 100 and located between the two walking wheels 111, the counterweight assembly is detachably mounted at the front side of the first shell 210 at the front side of the first shell 210, and the cultivator assembly 300 is located at the rear side of the two walking wheels 111. The position of the center of gravity of the whole rotary cultivator 1000 is adjusted by adjusting the counterweight assembly.

[0187] In the embodiment of the rotary cultivator 1000, the rotary cultivator 1000 further comprises a handrail assembly 700, the machine frame 100 is provided with a handrail frame 113, the handrail frame 113 is arranged on the front side of the cultivator blade assembly 300, the handrail assembly 700 is detachably mounted on the handrail frame 113, and the holding part of the handrail assembly 700 extends to the side of the cultivator blade assembly 300 away from the traveling wheel 111.

[0188] A second aspect of the present application is to provide a garden tool, which comprises a machine frame 100, a shell assembly 200, a traveling mechanism 110, a tool assembly and a power source 400. The shell assembly 200 is mounted on the machine frame 100 and comprises a first shell 210, a second shell 220 and a third shell 230; the first shell 210 has a first accommodating cavity 217 thereon, the second shell 220 and the machine frame 100 enclose a second accommodating cavity 223, the third shell 230 and the first shell 210 and the machine frame 100 enclose a third accommodating cavity 233, and the first accommodating cavity 217, the second accommodating cavity 223 and the third accommodating cavity 233 are sequentially communicated. The traveling mechanism 110 is mounted on the machine frame 100 to drive the machine frame 100 to travel, the traveling mechanism 110 comprises a first driving device 112, and the first driving device 112 is at least partially mounted in the second accommodating cavity 223; the tool assembly is mounted on the machine frame 100 to perform corresponding work, the tool assembly comprises a second driving device 310, and the second driving device 310 is at least partially mounted in the third accommodating cavity 233; the power source 400 is mounted in the first accommodating cavity 217 to provide energy support for the traveling mechanism 110 and / or the tool assembly; wherein a first air inlet 211 is formed in the first shell 210 and is in communication with the first accommodating cavity 217, a third air outlet 232 is formed in the third shell 230 and is in communication with the third accommodating cavity 233, and airflow can enter the first accommodating cavity 217 from the first air inlet 211 on the front side wall of the first shell 210 and sequentially pass through the second accommodating cavity 223 and the third accommodating cavity 233 and then be discharged from the third air outlet 232. The garden tool optimizes the structure of the heat dissipation layout and improves the heat dissipation efficiency.

[0189] In the garden tool and the rotary cultivator 1000, the front side wall of the first shell is provided with an air inlet, and the rear side wall of the third shell is provided with an air outlet. During the traveling of the machine frame, airflow can enter the first shell from the air inlet on the front side wall of the first shell, sequentially pass through the second shell and the third shell, and then be discharged from the air outlet on the rear side wall of the third shell. The multiple boxes can be connected in series through one airflow passage, and by selecting the positions of the air inlets and the air outlets, the airflow can be introduced into the air inlets through the relative movement between the machine frame and the airflow during the traveling of the machine frame, and the heat in the boxes can be timely discharged through the flowing airflow. The structure of the heat dissipation layout is improved, and the heat dissipation efficiency is improved.

[0190] The weight distribution of the front and rear ends of the rotary cultivator axle is directly related to the working efficiency of the rotary cultivator. When the side far from the cultivator assembly of the rotary cultivator is heavier, the cultivator assembly has a tendency to tilt upward, so that the user needs to press down one end of the cultivator assembly during use, which is very laborious and inconvenient, and seriously affects the land cultivation efficiency. When the side of the cultivator assembly is heavier, the rotary cultivator has a deeper depth of insertion into the soil during use, which also causes great inconvenience in use, reduces the working speed of the cultivator, and further reduces the land cultivation efficiency. Therefore, the present application also provides a rotary cultivator and a garden tool to improve the technical problems of poor use convenience and low land cultivation efficiency of the rotary cultivator due to the unreasonable weight distribution of the front and rear ends.

[0191] Please refer to FIGS. 17-65, the present application provides a rotary cultivator 1000, which is configured with a box body 500 on the frame 100, and the box body 500 can accommodate the second battery 420 and / or the weight assembly 910. It not only can adjust the front and rear gravity center positions of the rotary cultivator 1000, but also can make the rotary cultivator 1000 more labor-saving and convenient to use, and improve the working efficiency of the rotary cultivator 1000. At the same time, by configuring different objects in the box body 500, it can also play other roles except weight, and better meet the performance diversification requirements of the rotary cultivator 1000.

[0192] Referring to FIGS. 17-24, the present application also provides a rotary cultivator 1000, which comprises a frame 100, a traveling mechanism 110, a housing assembly 200, a cultivator blade assembly 300, a power source 400 and a box 500. The frame 100 can be a welded part or a bent sheet metal part, and the specific structure of the frame 100 is not limited, as long as the strength and rigidity requirements of the rotary cultivator 1000 are met. The frame 100 is provided with a second housing 220 having a second accommodating cavity 223. The second housing 220 can be a part of the frame 100 or a separate part fixedly connected to the frame 100 by bolts, etc. In the present embodiment, the second housing 220 is a part of the frame 100, and the second accommodating cavity 223 is located on the side of the frame 100 facing the ground. The traveling mechanism 110 comprises a first driving part, a first transmission shaft 116 and two traveling wheels 111. The first driving part provides power for the rotation of the first transmission shaft 116, and the driving part can be an electric motor, an electric motor + speed reducer, an electric motor + gear rack transmission mechanism, an electric motor + screw nut transmission mechanism, or any other transmission mechanism that can meet the requirements. In the present embodiment, the driving part comprises a first driving device 112, for example, a first driving motor, and a first transmission assembly 115, which can be a multi-stage gear transmission structure, a worm gear transmission structure, etc., and the specific limitation is not made. The first driving device 112 is fixedly installed on the wall of the second housing 220 and located in the second accommodating cavity 223. The first transmission assembly 115 is also located in the second accommodating cavity 223, and the input end of the first transmission assembly 115 is connected with the output end of the first driving device 112, and the output end of the first transmission assembly 115 is in transmission connection with the first transmission shaft 116. The lengthwise ends of the first transmission shaft 116 respectively penetrate through the two side walls of the second housing 220 and extend outward from the second accommodating cavity 223, and the first transmission shaft 116 is rotatably installed on the wall of the second housing 220 through a rotary bearing; the two traveling wheels 111 are fixedly installed on the two ends of the first transmission shaft 116. The first driving device 112 operates to drive the first transmission assembly 115 to rotate, and the first transmission shaft 116 rotates to drive the two traveling wheels 111 at the ends to rotate, thereby realizing the traveling of the frame 100.

[0193] It should be noted that referring to FIGS. 19 and 21, the opening position of the second housing 220 is also provided with a first cover plate 224 fixedly connected to the wall of the second housing 220 by bolts. The first cover plate 224 can form a shielding effect at the opening of the second accommodating cavity 223, thereby playing a protective role for the first driving device 112 and the first transmission assembly 115 in the second accommodating cavity 223, and improving the service life.

[0194] Please refer to FIGS. 18-25, along the working direction of the rotary cultivator 1000, the rear end of the frame 100 is provided with a cultivator assembly 300, which is fixedly connected to the frame 100, including but not limited to bolt connection. The cultivator assembly 300 includes a second driving part, a second transmission assembly 350, a cultivator 320 and a second transmission shaft 351. The second driving part provides power for the rotation of the second transmission shaft 351, which can be a motor, a motor + reducer, a motor + gear rack transmission mechanism, or any other transmission mechanism that can meet the requirements. In this embodiment, the second driving part includes a second driving device 310 and a second transmission assembly 350, which can be a second driving motor, a multi-stage gear transmission structure, or a worm gear transmission structure, etc. The second driving device 310 is fixedly connected to the frame 100 by bolts. The upper part of the cultivator assembly 300 is provided with a cultivator guard 330, which is fixedly connected to the frame 100 by bolts and covers the upper part of the cultivator assembly 300 to protect the cultivator assembly 300. The output end of the second driving device 310 penetrates the wall of the cultivator guard 330 and extends into the interior of the cultivator guard 330. The second transmission assembly 350 is located in the cultivator guard 330 and is fixedly connected to the frame 100 by bolts. The input end of the second transmission assembly 350 is connected to the output end of the second driving device 310, and the output end of the second transmission assembly 350 is fixedly connected to the second transmission shaft 351. The second transmission assembly 350 can be a gear reducer mechanism, a belt wheel transmission mechanism, or a chain wheel transmission mechanism, etc.

[0195] In this embodiment, please refer to FIGS. 19-25, the second transmission assembly 350 is a gear reducer mechanism, which extends from the side of the second driving device 310 to the rear end of the frame 100 obliquely downward in the cultivator guard 330. The cultivator guard 330 is also provided with a first support frame 331, which is located below the second transmission assembly 350, one end of the first support frame 331 is fixedly connected to the wall of the cultivator guard 330, and the other end of the first support frame 331 extends toward the side of the gear reducer and is fixedly connected to the box body of the gear reducer to form support below the gear reducer. The second transmission shaft 351 and the cultivator 320 are both arranged in the cultivator guard 330. The second transmission shaft 351 extends along the width direction of the rotary cultivator 1000 (as shown by the X-axis in FIG. 18), and the cultivator 320 is arranged in multiple along the length direction of the second transmission shaft 351, and the multiple cultivators 320 are fixedly connected to the second transmission shaft 351. The second driving device 310 rotates to drive the second transmission assembly 350 to operate, the second transmission assembly 350 drives the second transmission shaft 351 to rotate, and the second transmission shaft 351 drives the cultivator 320 to rotate, thereby performing rotary tillage operation on the working ground.

[0196] Referring to FIG. 23 and FIG. 25, the upper portion of the frame 100 is further provided with a third shell 230, which is fixedly connected to the frame 100 by bolts. The third shell 230, the frame 100 and the coulter guard 330 together form a third accommodating cavity 233, in which the second driving device 310 is arranged.

[0197] The power source 400 is mounted on the frame 100 to provide power for the operation of the coulter assembly 300 and / or the travel of the frame 100. In the embodiment, referring to FIG. 17 to FIG. 25, the power source 400 includes a plurality of first batteries 410, which can be connected in series, in parallel or in mixed connection. The plurality of first batteries 410 can simultaneously supply power to the first driving device 112 and the second driving device 310, or only supply power to one of the first driving device 112 and the second driving device 310, which is not specifically limited. In order to reduce the impact loss of the first battery 410 during work, in the embodiment, a first shell 210 is arranged on the upper portion of the frame 100, which is fixedly mounted on the frame 100 by bolts, and the first battery 410 is arranged in the first shell 210. The bottom end of the first shell 210 can be provided with a wiring hole, and the first driving device 112 is electrically connected to the first battery 410 through the wiring hole.

[0198] In order to facilitate the operator to hold the rotary cultivator 1000 during operation, in the embodiment, referring to FIG. 23 and FIG. 24, the rotary cultivator 1000 is provided with a handrail assembly 700, which includes a mounting seat 710 and a handle 720. The mounting seat 710 is connected to the frame 100, and one end of the handle 720 is fixedly connected to the mounting seat 710, and the other end of the handle 720 extends towards the rear end of the frame 100. The handrail assembly 700 can be adjustably connected to the frame 100 at an angle, or can be fixedly connected to the frame 100 at an angle. In the embodiment, the mounting seat 710 is rotatably connected to the frame 100, and the handrail assembly 700 further includes a positioning rod 740, which is fixedly connected to the frame 100 or other parts fixedly connected to the frame 100. The mounting seat 710 is a disc structure, and a plurality of clamping grooves 711 are formed on the outer periphery of the mounting seat 710. The plurality of clamping grooves 711 can be clamped with the positioning rod 740 during the rotation of the mounting seat 710, so as to fix the handle 720 at different installation angles.

[0199] Along the walking direction of the rotary cultivator 1000 (as shown by the Y axis in FIG. 18), the box 500 is installed on the side of the frame 100 close to the head of the rotary cultivator 1000, and is located on the front and rear sides of the walking wheel 111 together with the cultivator assembly 300. The box 500 is connected to the frame 100, and the connection mode includes but is not limited to bolted connection. The specific shape of the box 500 is not limited, for example, it can be a cuboid structure, a square structure or a cylindrical structure, etc. In this embodiment, the box 500 is approximately a cuboid structure. The box 500 is provided with a containing cavity, and the second battery 420 can be contained in the containing cavity. The second battery 420 can play a counterweight role to adjust the gravity center position of the rotary cultivator 1000.

[0200] In this way, on the one hand, the second battery 420 can not only adjust the gravity center of the rotary cultivator 1000, but also avoid the trend of the head and tail of the rotary cultivator 1000 to rise or drop during the working process, so that the rotary cultivator 1000 is more labor-saving and convenient to use, and the working efficiency of the rotary cultivator 1000 is improved. On the other hand, when the box 500 contains the second battery 420, it not only plays a counterweight role, but also plays a role in mileage endurance, so that the role of the box 500 is more diversified.

[0201] In another embodiment of the present application, the containing cavity of the box 500 can also contain a counterweight assembly 910 other than the second battery 420. The counterweight assembly 910 can be soil, sand, maintenance tools, or other spare parts used for normal plowing, seeds, etc., and can also play a role in adjusting the gravity center position of the rotary cultivator 1000.

[0202] In still another embodiment of the present application, the containing cavity of the box 500 can also contain the second battery 420 and the counterweight assembly 910 at the same time. In this way, not only can it play a counterweight role to adjust the gravity center of the rotary cultivator 1000, but also when the second battery 420 is electrically connected to the power source 400, it can also play a role in endurance for the rotary cultivator 1000.

[0203] It should be noted that in this embodiment, the second battery 420 and the first battery 410 can be batteries with the same size, capacity or voltage, or batteries with different capacities, sizes or voltages. As long as the respective power supply requirements of the second battery 420 and the first battery 410 are met, this embodiment does not make specific limitations.

[0204] Referring to FIG. 17, FIG. 18, FIG. 23 and FIG. 24, in an embodiment of the tillage tool assembly 300, the box 500 comprises a seventh accommodating cavity 501 and a sixth accommodating cavity 502. One of the seventh accommodating cavity 501 and the sixth accommodating cavity 502 is configured to accommodate the second battery 420. The seventh accommodating cavity 501 and the sixth accommodating cavity 502 can be arranged along the length direction of the box 500, or arranged along the width direction of the box 500. The size and the specific shape of the seventh accommodating cavity 501 and the sixth accommodating cavity 502 are not limited. In this embodiment, the seventh accommodating cavity 501 and the sixth accommodating cavity 502 are arranged along the width direction of the box 500 (as shown by the Y-axis direction in FIG. 18), and the seventh accommodating cavity 501 is located close to the walking wheel 111. The seventh accommodating cavity 501 is configured to accommodate the second battery 420, and the sixth accommodating cavity 502 is configured to accommodate the counterweight assembly 910. In other embodiments, the sixth accommodating cavity 502 can be configured to accommodate the second battery 420, and the seventh accommodating cavity 501 can be configured to accommodate the counterweight assembly 910. By arranging the seventh accommodating cavity 501 and the sixth accommodating cavity 502, the second battery 420 and the counterweight assembly 910 can be arranged separately, which can reduce the mutual collision between the second battery 420 and the counterweight assembly 910, thereby reducing the damage of the counterweight assembly 910 to the second battery 420, and at the same time, facilitating the separate taking and placing of the counterweight assembly 910 and the second battery 420.

[0205] In another embodiment of the tillage tool assembly 300, the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can be configured to accommodate the second battery 420. In this way, the box 500 can not only serve as a storage and transportation room for the second battery 420, but also can play a counterweight role, and there is no need to additionally arrange other counterweight assemblies 910.

[0206] In an embodiment of the cultivator assembly 300, the second battery 420 is arranged in at least one of the seventh accommodating cavity 501 and the sixth accommodating cavity 502, and has a first state of being electrically connected with the first battery 410 and a second state of being electrically disconnected with the power source 400. Specifically, the second battery 420 is arranged in the seventh accommodating cavity 501, and the second battery 420 and the first battery 410 are electrically connected in a manner not limited, for example, the seventh accommodating cavity 501 is provided with a terminal for electrically connecting the first battery 410, and the second battery 420 is electrically connected with the terminal after being placed in the seventh accommodating cavity 501, thereby being converted into the first state of being electrically connected with the first battery 410; when the second battery 420 is taken out of the seventh accommodating cavity 501, the second battery 420 is disconnected with the terminal, thereby being converted into the second state of being electrically disconnected with the first battery 410. It can also be that when the second battery 420 is placed in the seventh accommodating cavity 501, the second battery 420 is electrically connected with the first battery 410 through a connecting line, that is, when the two ends of the connecting line are respectively plugged into the second battery 420 and the first battery 410, the second battery 420 is converted into the first state of being electrically connected with the first battery 410; the second battery 420 remains stationary, and the electrical connection between the second battery 420 and the connecting line is disconnected, thereby converting the second battery 420 into the second state of being electrically disconnected with the first battery 410. The first state and the second state of the second battery 420 can be achieved, and the electrical connection between the second battery 420 and the first battery 410 is not limited in the application. In this embodiment, by setting the first state and the second state of the second battery 420, the disconnection and connection between the second battery 420 and the first battery 410 can be achieved, thereby better controlling the electrical connection of the second battery 420.

[0207] In an embodiment of the rotary cultivator 1000, the seventh accommodating cavity 501 accommodates the second battery 420, and the seventh accommodating cavity 501 accommodates the counterweight assembly 910. When the second battery 420 is in the first state, the second battery 420 is electrically connected with the first battery 410, and the first battery 410 is configured to provide electrical energy for the walking mechanism 110, thereby enabling the second battery 420 to provide endurance electrical energy for the walking mechanism 110. When the second battery 420 is in the second state, the second battery 420 is electrically disconnected with the first battery 410, and the second battery 420 is always accommodated in the seventh accommodating cavity 501, and at this time, the second battery 420 adjusts the gravity center position of the rotary cultivator 1000 together with the counterweight assembly 910. In other embodiments, the first battery 410 can be configured to provide electrical energy for the cultivator assembly 300, thereby enabling the second battery 420 to provide endurance electrical energy for the operation of the cultivator assembly 300.

[0208] In the embodiment of the rotary cultivator 1000, the seventh accommodating cavity 501 accommodates the second battery 420, and the seventh accommodating cavity 501 is further provided with an input interface, and the second battery 420 is connected to the input interface in a plug-in manner; the input interface can be a terminal or a socket structure, as long as a stable and reliable plug-in connection relationship can be formed between the second battery 420 and the input interface. The box body 500 is further provided with an output interface electrically connected to the input interface, and the output interface can be arranged on the wall of the seventh accommodating cavity 501 or the wall of the sixth accommodating cavity 502, and the output interface faces the outside of the box body 500. The output interface is electrically connected to the first battery 410 through the first connecting line located outside the box body 500, thereby realizing the electrical connection between the second battery 420 and the first battery 410. In this way, by arranging the input interface and the output interface in an electrically connected manner on the box body 500, after the second battery 420 is placed in the seventh accommodating cavity 501, the electrical connection between the second battery 420 and the input interface can be realized, and then the first connecting line is connected to the input interface, thereby realizing the electrical connection between the second battery 420 located in the seventh accommodating cavity 501 and the first battery 410. In another embodiment, the sixth accommodating cavity 502 can also accommodate the second battery 420, the sixth accommodating cavity 502 is provided with an input interface, the wall of the box body 500 is provided with an output interface electrically connected to the input interface, and the output interface is electrically connected to the first battery 410 through the first connecting line located outside the box body 500, thereby realizing the electrical connection between the second battery 420 located in the sixth accommodating cavity 502 and the first battery 410. In other embodiments, the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can also be provided with input interfaces, and the two input interfaces are electrically connected to the output interface arranged on the box body 500, and the output interface is electrically connected to the first battery 410 through the first connecting line located outside the box body 500, thereby realizing the electrical connection between the second battery 420 located in the seventh accommodating cavity 501 and the first battery 410.

[0209] In the embodiment of the rotary cultivator 1000, the seventh accommodating cavity 501 accommodates the second battery 420, and the first connecting line is arranged in the seventh accommodating cavity 501. One end of the first connecting line is electrically connected to the first battery 410, and the electrical connection mode can be plug-in connection, conductive welding or other fixed electrical connection. The other end of the first connecting line is provided with a plug for plug-in connection with the second battery 420, and the first connecting line is plug-in connected to the second battery 420 through the plug. The first connecting line can be always placed in the seventh accommodating cavity 501, or can be placed in other tool boxes when not in use, and taken out for plug-in connection with the second battery 420 when in use. The electrical connection between the second battery 420 and the first battery 410 can be flexibly realized by arranging the first connecting line. It should be noted that the cooperative control between the first battery 410 and the second battery 420 can be controlled by arranging a control panel.

[0210] Referring to FIGS. 23-29, in an embodiment of the rotary cultivator 1000, the second battery 420 is accommodated in the seventh accommodating cavity 501, and the positioning block 5011 for positioning the installation position of the second battery 420 is arranged in the seventh accommodating cavity 501. The positioning block 5011 can position the length direction of the second battery 420, or the width direction of the second battery 420, or both the length and width directions of the second battery 420. The positioning block 5011 can be arranged on the side wall of the seventh accommodating cavity 501 or the bottom wall of the seventh accommodating cavity 501, as long as it can position the installation of the second battery 420 in the seventh accommodating cavity 501. In this embodiment, two positioning blocks 5011 are arranged, which are symmetrically arranged on both sides of the bottom wall of the seventh accommodating cavity 501 along the length direction of the seventh accommodating cavity 501. One end of the positioning block 5011 is connected to the side wall of the seventh accommodating cavity 501, and the other end of the positioning block 5011 extends toward the bottom wall side of the seventh accommodating cavity 501. The positioning block 5011 forms a positioning surface corresponding to the bottom of the second battery 420 on the side of the opening of the seventh accommodating cavity 501. The second battery 420 is positioned by clamping the positioning surface, and can be positioned and installed in the length direction of the seventh accommodating cavity 501. The shape of the positioning surface can be a bevel, an arc, or a combination of a bevel and an arc. In this embodiment, the positioning blocks 5011 are arranged on both sides of the bottom wall of the seventh accommodating cavity 501, which can position the installation of the second battery 420, reduce the probability of displacement of the second battery 420, and improve the stability of the center of gravity of the rotary cultivator 1000 during operation. At the same time, the positioning block 5011 can also play the role of a reinforcing rib, which is conducive to improving the structural strength of the bottom wall of the seventh accommodating cavity 501.

[0211] In the embodiment of the rotary cultivator 1000, the box body 500 comprises a lower box body 510 and a cover body 520, the seventh accommodating cavity 501 and the sixth accommodating cavity 502 are arranged on the lower box body 510, and the cover body 520 covers the openings of the seventh accommodating cavity 501 and the sixth accommodating cavity 502. Specifically, the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can share one cover body 520, or the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can be respectively provided with one cover body 520. As long as the openings of the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can be covered, it is acceptable. The cover body 520 can be detachably clamped on the lower box body 510, or can be hingedly connected to the lower box body 510, and the like, and the specific limitation is not made. By arranging the cover body 520, the appearance of the box body 500 can be improved, and the articles placed in the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can be protected.

[0212] Referring to FIGS. 23-27, in the embodiment of the rotary cultivator 1000, the cover body 520 comprises a first cover body 521 and a second cover body 522, the first cover body 521 covers the opening of the seventh accommodating cavity 501 accommodating the second battery 420, and the second cover body 522 covers the opening of the sixth accommodating cavity 502 accommodating the counterweight assembly 910. The first cover body 521 is hingedly connected to the lower box body 510. Specifically, one side wall of the first cover body 521 is provided with a hinge, and the hinge is hingedly connected to the hinge on the corresponding side wall of the lower box body 510, so as to meet the opening and closing requirements of the first cover body 521 relative to the lower box body 510. Because the second battery 420 in the seventh accommodating cavity 501 often needs to be externally charged, and also needs to be frequently charged, the frequency of opening and closing of the first cover body 521 relative to the seventh accommodating cavity 501 is high, and therefore the first cover body 521 is hingedly connected to the lower box body 510, so that the first cover body 521 is opened and closed conveniently and quickly, and has good stability during frequent opening and closing.

[0213] It should be noted that the second cover body 522 can be hingedly connected to the lower box body 510, or can be detachably clamped on the lower box body 510, and the like. In another embodiment of the present application, the sixth accommodating cavity 502 accommodates the second battery 420, the second cover body 522 covers the opening of the sixth accommodating cavity 502 accommodating the second battery 420, and the second cover body 522 is hingedly connected to the lower box body 510.

[0214] Please refer to Figure 30, in an embodiment of the rotary cultivator 1000 provided by the present application, the lower box body 510 is further provided with a locking structure 530, which is used to lock the first cover body 521 when the first cover body 521 is covered on the lower box body 510, further enhance the sealing and cover sealing strength of the first cover body 521 on the seventh accommodating cavity 501, so as to reduce the probability of the first cover body 521 being separated from the opening of the seventh accommodating cavity 501 when external impact occurs, and further protect the safety of the second battery 420. The locking structure 530 can be a latch type locking structure, or a buckle type locking structure, etc., and no specific limitation is made hereon.

[0215] The present application also provides a garden tool, which can be a soil loosener, a mini cultivator or a snow sweeper, etc. The garden tool comprises a frame 100, a walking mechanism 110, a working assembly, a power source 400 and a box body 500. The walking mechanism 110 is installed on the frame 100 and is used to drive the frame 100 to walk. The walking mechanism 110 comprises a driving part and a walking wheel 111. The power source 400 provides energy for the driving part, and the driving part provides power for the rotation of the walking wheel 111. The driving part can be a motor, a motor plus a speed reducer, a motor + gear and rack transmission mechanism, or a motor + screw nut transmission mechanism, etc. The walking mechanism 110 controls the frame 100 to perform corresponding walking actions. The working assembly is installed on the frame 100 to perform corresponding garden work. The box body 500 is arranged on the frame 100 to adjust the gravity center position of the garden tool. The box body 500 is provided with an accommodating cavity, which can accommodate the second battery 420 and the counterweight assembly 910. The second battery 420 and the counterweight assembly 910 can play a counterweight role to adjust the gravity center position of the rotary cultivator 1000. Meanwhile, the second battery 420 can also play a role of mileage endurance, so that the function of the box body 500 is more diversified.

[0216] In the rotary cultivator and the garden tool provided by the present application, on the one hand, the arrangement of the box body 500 can adjust the gravity center of the rotary cultivator 1000, which can avoid the trend of the head and tail of the rotary cultivator 1000 being raised or falling during the working process, so that the rotary cultivator 1000 is more labor-saving and convenient to use, and the working efficiency of the rotary cultivator 1000 is improved. On the other hand, when the box body 500 contains the second battery 420, it not only plays a counterweight role, but also plays a role of mileage endurance, so that the function of the box body 500 is more diversified.

[0217] During the plowing process, the plow blade will stick some soil or other sundries after long time running, which will affect the working efficiency and effect of the plow blade. Usually, the rear end of the rotary cultivator is equipped with a rear apron. When the plow blade needs to be cleaned, the rear apron needs to be removed from the rotary cultivator. After the plow blade is cleaned, the rear apron is installed on the rotary cultivator. At present, the installation and removal structure of the rear apron on the market is too complex, and the installation and removal process takes a long time, which seriously restricts the improvement of the working efficiency of the rotary cultivator. In view of this, the application provides a rotary cultivator and a garden tool to improve the technical problem that the installation and removal structure of the rear apron is complex, the disassembly process takes a long time, and the working efficiency of the rotary cultivator is restricted.

[0218] Please refer to FIGS. 17 to 65, the application also provides a rotary cultivator 1000, which can simplify the disassembly structure of the rear apron 340 by detachably and rotatably installing the rear apron 340 on the plow blade cover 330, and can facilitate the disassembly of the rear apron 340 and the plow blade cover 330, save the disassembly time, and thus be beneficial to improving the working efficiency of the rotary cultivator 1000 by setting the limiting assembly 380 and controlling the limiting assembly 380 to realize the disconnection and connection between the rear apron 340 and the plow blade cover 330.

[0219] Please refer to FIGS. 31-33, in an embodiment of the rotary cultivator 1000, the rotary cultivator 1000 comprises a frame 100, a traveling mechanism 110, a cultivator blade assembly 300, a cultivator blade guard 330, a rear baffle 340 and a limiting assembly 380. The specific structural form of the frame 100 is not limited, and the frame 100 can be a welded piece or a sheet metal bent piece, as long as it meets the strength and rigidity requirements of the rotary cultivator 1000. The frame 100 is provided with a second housing 220, and the second housing 220 has a second accommodating cavity 223. The second housing 220 can be a part of the frame 100 or a separate part bolted to the frame 100, etc. In this embodiment, the second housing 220 is a part of the frame 100, and the second accommodating cavity 223 is located on the side of the frame 100 facing the ground. The traveling mechanism 110 comprises a first driving device 112, a first transmission assembly 115, a first transmission shaft 116 and two traveling wheels 111. The first driving device 112 is connected with the first transmission shaft 116 through the first transmission assembly 115. The first driving device 112 can be a motor, or a motor + speed reducer or a hydraulic motor, etc. In this embodiment, the first driving device 112 is a driving motor. The first transmission assembly 115 can be a multi-stage gear transmission structure, or a worm gear transmission structure, etc. The first driving device 112 is bolted and mounted on the wall of the second housing 220 and located in the second accommodating cavity 223. The first transmission assembly 115 is also located in the second accommodating cavity 223, and the input end of the first transmission assembly 115 is connected with the output end of the first driving device 112, and the output end of the first transmission assembly 115 is in transmission connection with the first transmission shaft 116. The lengthwise ends of the first transmission shaft 116 respectively penetrate through the two side walls of the second housing 220 and extend outward from the second accommodating cavity 223. The first transmission shaft 116 is rotatably mounted on the wall of the second housing 220 through a rotary bearing. The two traveling wheels 111 are respectively fixedly mounted on the two ends of the first transmission shaft 116. The first driving device 112 operates to drive the first transmission assembly 115 to rotate, and the first transmission shaft 116 rotates to drive the two traveling wheels 111 to rotate, thereby realizing the traveling of the frame 100.

[0220] It should be noted that, please refer to FIGS. 21, 19 and 20, the opening position of the second housing 220 is also provided with a first cover plate 224, which is bolted and connected to the wall of the second housing 220. The first cover plate 224 can form a shield at the opening of the second accommodating cavity 223, thereby playing a protective role for the first driving device 112 and the first transmission assembly 115 in the second accommodating cavity 223, and improving the service life.

[0221] The rear end of the frame 100 is provided with a plough blade assembly 300 in the working direction of the rotary cultivator 1000. The plough blade assembly 300 is fixedly connected to the frame 100 by bolts. The plough blade assembly 300 comprises a second driving device 310, a second transmission assembly 350, a plough blade 320 and a second transmission shaft 351. The second driving device 310 provides power for the rotation of the second transmission shaft 351. The second driving device 310 can be a motor, a motor + reducer or a hydraulic motor, or any structure that can provide power for the second transmission assembly 350. In this embodiment, the second driving device 310 is a driving motor. The second transmission assembly 350 can be a multi-stage gear transmission structure, or a worm gear transmission structure, etc. The second driving device 310 is fixedly connected to the frame 100 by bolts. A plough blade guard 330 is arranged above the plough blade assembly 300. The plough blade guard 330 is fixedly connected to the frame 100 by bolts and covers the plough blade assembly 300 to protect the plough blade assembly 300. The output end of the second driving device 310 extends into the interior of the plough blade guard 330 through the wall of the plough blade guard 330. The second transmission assembly 350 is located in the plough blade guard 330 and is fixedly connected to the frame 100 by bolts. The input end of the second transmission assembly 350 is connected to the output end of the second driving device 310, and the output end of the second transmission assembly 350 is fixedly connected to the second transmission shaft 351.

[0222] In this embodiment, referring to FIGS. 17 to 65, the second transmission assembly 350 is a gear reducer box mechanism. The gear reducer box mechanism extends from one side of the second driving device 310 to the rear end of the frame 100 obliquely downward in the plough blade guard 330. A first support frame 331 is further arranged in the plough blade guard 330. The first support frame 331 is located below the second transmission assembly 350. One end of the first support frame 331 is fixedly connected to the wall of the plough blade guard 330, and the other end of the first support frame 331 extends toward the gear reducer box and is fixedly connected to the box body of the gear reducer box to form support below the gear reducer box. The second transmission shaft 351 and the plough blade 320 are arranged in the plough blade guard 330. The second transmission shaft 351 extends along the width direction of the rotary cultivator 1000 (as shown by the X-axis in FIG. 19). The plough blade 320 is arranged in multiple numbers in the length direction of the second transmission shaft 351 and is fixedly connected to the second transmission shaft 351. The second driving device 310 rotates to drive the second transmission assembly 350 to rotate, the second transmission assembly 350 drives the second transmission shaft 351 to rotate, and the second transmission shaft 351 drives the plough blade 320 to rotate, thereby performing rotary tillage on the working ground.

[0223] Please refer to FIG. 31, FIG. 32 and FIG. 33, the upper portion of the frame 100 is further provided with a third shell 230, the third shell 230 is fixedly connected to the frame 100 by bolts. The third shell 230, the frame 100 and the coulter guard 330 are surrounded to form a third accommodating cavity 233, and the second driving device 310 is arranged in the third accommodating cavity 233.

[0224] The frame 100 is further provided with a first battery 410, which can provide power for the operation of the coulter assembly 300 and / or the travel of the frame 100. In the embodiment, please refer to FIG. 31, FIG. 32 and FIG. 33, the first battery 410 is provided with a plurality of batteries, which can be connected in series, parallel or mixed connection. The plurality of first batteries 410 can simultaneously supply power to the first driving device 112 and the second driving device 310, or only supply power to one of the first driving device 112 and the second driving device 310, which is not specifically limited. In order to reduce the impact on the first battery 410 during work, the first shell 210 is further provided on the upper portion of the frame 100 in the embodiment, and the first shell 210 is fixedly installed on the frame 100 by bolts, and the first battery 410 is arranged in the first shell 210. The bottom end of the first shell 210 can be provided with a wiring hole, and the first driving device 112 can be electrically connected to the first battery 410 through the wiring hole.

[0225] In order to facilitate the operator to operate the rotary cultivator 1000, please refer to FIG. 31, FIG. 33 and FIG. 34, the rotary cultivator 1000 is provided with a handrail assembly 700, which includes a mounting seat 710 and a handle 720. The mounting seat 710 is connected to the frame 100, one end of the handle 720 is fixedly connected to the mounting seat 710, and the other end of the handle 720 extends towards the rear end of the frame 100. The handrail assembly 700 can be adjustably connected to the frame 100 at an angle, or it can be fixedly connected to the frame 100 at an angle. In the embodiment, the mounting seat 710 is rotatably connected to the frame 100, and the handrail assembly 700 further includes a positioning rod 740, which is fixedly connected to the frame 100 or other parts fixedly connected to the frame 100. The mounting seat 710 is a disc structure, and a plurality of clamping grooves 711 are formed on the outer periphery of the mounting seat 710. The plurality of clamping grooves 711 can be clamped with the positioning rod 740 during the rotation of the mounting seat 710, thereby fixing the handle 720 at different installation angles.

[0226] Please refer to FIG. 31, FIG. 33 and FIG. 35, the rear baffle 340 is detachably and rotatably installed on the blade guard 330 and located at the rear end of the blade 320. The detachable and rotatable installation mode can be that the rear baffle 340 is provided with a rotating shaft, the blade guard 330 is provided with a mounting hole, the rotating shaft is rotatably installed in the mounting hole, and the disconnection and connection between the rotating shaft and the mounting hole can realize the detachable and rotatable installation between the rear baffle 340 and the blade guard 330. The detachable and rotatable installation mode can also be a hinge connection mode, for example, one end of the hinge is fixedly connected to the blade guard 330 by bolts, the other end of the hinge is fixedly connected to the rear baffle 340 by bolts, so as to realize the rotatable installation of the rear baffle 340 on the blade guard 330; by disassembling and assembling the bolts of the hinge, the installation or disassembly between the rear baffle 340 and the blade guard 330 can be realized. In this embodiment, the rear baffle 340 is approximately rectangular in structure, one end of the rear baffle 340 in the height direction is rotatably installed on the rear side of the blade guard 330 through a rotating shaft, the other end of the rear baffle 340 in the height direction extends towards the ground side, and under the action of gravity of the rear baffle 340, the rear baffle 340 is vertically blocked at the rear end of the blade 320. The rear baffle 340 can rotate in the up-down direction along the rotating shaft, and when the rear baffle 340 is in the vertical state, there is a certain safety distance between the inner side of the rear baffle 340 and the blade 320, which can reduce the influence of the rear baffle 340 on the working process of the blade 320, and also avoid the damage of the blade 320 to the rear baffle 340. The rear baffle 340 is rotatably installed on the blade guard 330, so that when the rear baffle 340 is installed on the blade guard 330, the rotation of the rear baffle 340 does not need to be limited and fixed, so that the connection structure between the rear baffle 340 and the blade guard 330 can be simplified, and the disassembly and assembly time between the rear baffle 340 and the blade guard 330 can be saved.

[0227] Referring to FIG. 35, the limiting assembly 380 is arranged on the plow guard 330 to prevent the rear apron 340 from being separated from the plow guard 330. The specific structure of the limiting assembly 380 can be various, for example, the limiting assembly 380 can be a stop structure connected to the plow guard 330, which blocks the end of the rear apron 340 in the direction of the relative transverse movement of the rear apron 340 and the plow guard 330, thereby preventing the transverse movement of the rear apron 340 and the plow guard 330 and preventing the separation of the rear apron 340 from the plow guard 330. For example, the limiting assembly 380 can also be a sleeve structure arranged on the end of the rotating shaft to prevent the rear apron 340 or the plow guard 330 from falling off the rotating shaft and causing the separation of the rear apron 340 and the plow guard 330. As long as the limiting assembly 380 can prevent the rear apron 340 from being separated from the plow guard 330, the specific structure of the limiting assembly 380 is not limited. In another embodiment, the limiting assembly 380 can also be arranged on the rear apron 340. In other embodiments, the limiting assembly 380 can be partially arranged on the plow guard 330 and partially arranged on the rear apron 340. By arranging the limiting assembly 380, the position of the limiting assembly 380 relative to the plow guard 330 or the rear apron 340 can be moved to perform the separation and connection actions between the rear apron 340 and the plow guard 330, thereby achieving the detachable connection between the rear apron 340 and the plow guard 330. In this way, the disassembly structure between the rear apron 340 and the plow guard 330 is simpler and the operation is more convenient and fast, thereby further improving the disassembly efficiency between the rear apron 340 and the plow guard 330 and improving the working efficiency of the rotary cultivator 1000.

[0228] Please refer to FIG. 36 to FIG. 42, in an embodiment of the rotary cultivator 1000 of the present application, the cultivator guard 330 is provided with a rotating assembly 360, and the rear baffle 340 is rotatably connected to the cultivator guard 330 through the rotating assembly 360. The rotating assembly 360 can be a pin shaft and a pin hole, the pin shaft is inserted into the pin hole provided on the cultivator guard 330 and the rear baffle 340, and the rear baffle 340 is rotatably connected to the cultivator guard 330 through the shaft hole cooperation. The rotating assembly 360 can also be a combination of a pin shaft and a rotating bearing, the pin shaft is rotatably connected to the pin hole of the rear baffle 340 and the cultivator guard 330 through the rotating bearing, so that the rear baffle 340 is rotatably connected to the cultivator guard 330 through the rotation of the bearing. In another embodiment, the rotating assembly 360 can also be provided on the rear baffle 340. In other embodiments, the rotating assembly 360 can also be partially provided on the cultivator guard 330 and partially provided on the rear baffle 340. By providing the rotating assembly 360, the rotary connection between the cultivator guard 330 and the rear baffle 340 can be realized, and when a subsequent rotary failure occurs between the rear baffle 340 and the cultivator guard 330, only the rotating assembly 360 needs to be replaced, without the need to simultaneously replace the rear baffle 340 and the cultivator guard 330, which can save maintenance costs and improve maintenance efficiency.

[0229] Please refer to FIG. 31, in an embodiment of the present application, in order to improve the stability of the rotary connection between the rear baffle 340 and the cultivator guard 330, a set of rotating assemblies 360 is provided on each end of the cultivator guard 330 along the length direction of the cultivator guard 330 (as shown by the Y-axis direction in FIG. 18).

[0230] In an embodiment of the rotary cultivator 1000 of the present application, please refer to FIG. 36 to FIG. 42, the rotating assembly 360 includes a first rotating shaft 361, the cultivator guard 330 is rotatably connected to the rear baffle 340 through the first rotating shaft 361; the first rotating shaft 361 has a first state of being connected to the cultivator guard 330 and the rear baffle 340 and a second state of being disconnected from the cultivator guard 330 and / or the rear baffle 340. In an embodiment, one end of the first rotating shaft 361 is fixedly connected to the cultivator guard 330, the other end of the first rotating shaft 361 is inserted into the mounting hole of the rear baffle 340, the rear baffle 340 is rotated, the first rotating shaft 361 rotates in the mounting hole, and the rotary connection between the cultivator guard 330 and the rear baffle 340 is realized. In another embodiment, one end of the first rotating shaft 361 is fixedly connected to the rear baffle 340, the other end is inserted into the mounting hole provided on the cultivator guard 330, the rear baffle 340 is rotated, the rear baffle 340 drives the first rotating shaft 361 to rotate in the mounting hole, and the rotary connection between the cultivator guard 330 and the rear baffle 340 is realized.

[0231] Preferably, in the embodiment, please refer to Figure 36 to Figure 42, the plough guard 330 is fixedly connected with a first mounting portion 333, the first mounting portion 333 is provided with a first mounting hole 3331, the rear wall 340 is fixedly connected with a second mounting portion 343, the second mounting portion 343 is provided with a second mounting hole 3431 in correspondence, both ends of the first rotary shaft 361 are respectively inserted into the first mounting hole 3331 and the second mounting hole 3431, and are rotationally connected relative to the first mounting hole 3331 and the second mounting hole 3431, at this time, the first rotary shaft 361 is in a first state of being connected with the plough guard 330 and the rear wall 340. The middle region of the first rotary shaft 361 in the length direction is provided with a boss 3611, both ends of the boss 3611 are coaxially provided with an insertion end 3612 respectively, and the insertion end 3612 is coaxially provided with the boss 3611. Both insertion ends 3612 are respectively inserted into the first mounting hole 3331 and the second mounting hole 3431, the boss 3611 is located between the first mounting hole 3331 and the second mounting hole 3431, along the length direction of the first rotary shaft 361, both end faces of the boss 3611 are respectively abutted against the end faces of the first mounting portion 333 and the second mounting portion 343 which are oppositely arranged, and the end face outer diameter of the boss 3611 is greater than the hole diameter of the first mounting hole 3331 and the second mounting hole 3431, so that the boss 3611 can block the movement of the first rotary shaft 361 in the axial direction relative to the first mounting portion 333 and the second mounting portion 343, thereby blocking the rear wall 340 from falling off the plough guard 330 in the axial direction of the first rotary shaft 361.

[0232] Moving the rear wall 340 to one side along the length direction of the first rotary shaft 361, one end of the first rotary shaft 361 will be out of the second mounting hole 3431, so that the first rotary shaft 361 is switched from the first state of being connected with the plough guard 330 and the rear wall 340 to the second state of being separated from the plough guard 330 and the rear wall 340. It should be noted that during the process of moving the rear wall 340 to one side along the length direction of the first rotary shaft 361, the first rotary shaft 361 can also move together with the rear wall 340, that is, one end of the first rotary shaft 361 remains in the second mounting hole 3431, and the other end of the first rotary shaft 361 is out of the first mounting hole 3331. By arranging the first rotary shaft 361, the detachable rotationally connecting between the rear wall 340 and the plough guard 330 can be realized by inserting the first rotary shaft 361 into the first mounting hole 3331 and the second mounting hole 3431 at the same time, which is convenient to operate and simple in structure; at the same time, since the first rotary shaft 361 is an independent part and is not fixedly connected with the rear wall 340 and the plough guard 330, it is convenient to replace the first rotary shaft 361 when it is worn out.

[0233] Please refer to FIG. 36 to FIG. 42, in an embodiment of the rotary cultivator 1000 of the application, the limiting assembly 380 comprises a baffle plate 381, the baffle plate 381 is installed on the blade cover 330, and the fixed installation mode comprises but is not limited to bolted connection. The baffle plate 381 at least partially shields one end of the second mounting hole 3431 away from the boss 3611. In this way, along the axial direction of the first rotary shaft 361, the second mounting part 343 can be limited between the baffle plate 381 and the boss 3611, and the first rotary shaft 361 is always inserted into the first mounting hole 3331 and the second mounting hole 3431, so that the first rotary shaft 361 remains in the first state of being connected by the rear wall 340 and the blade cover 330. When the rear wall 340 needs to be removed from the blade cover 330, the baffle plate 381 is moved at this time, so that the baffle plate 381 moves away from the position of shielding the second mounting hole 3431, then the rear wall 340 is rotated upward, so that the rear wall 340 is separated from the side wall of the blade cover 330, then the rear wall 340 is moved transversely, so that the second mounting hole 3431 moves away from the first mounting hole 3331, until the first rotary shaft 361 is separated from the second mounting hole 3431, thereby completing the removal of the rear wall 340 from the blade cover 330. In this embodiment, by moving the position between the baffle plate 381 and the second mounting hole 3431 back and forth, and cooperating with the movement between the rear wall 340 and the blade cover 330, the connection and disconnection between the rear wall 340 and the blade cover 330 can be realized. This limiting mode has simple structure and convenient operation.

[0234] Please refer to FIG. 36 and FIG. 42, in an embodiment of the rotary cultivator 1000 of the application, the limiting assembly 380 further comprises a connecting plate 382, one end of the connecting plate 382 is fixedly connected with the blade cover 330, and the other end is detachably connected with the baffle plate 381. The fixed connection between the connecting plate 382 and the blade cover 330 can be any fixed connection mode such as bolted connection, welding connection or clamping connection, and the application is not limited in this regard. Preferably, in this embodiment, the connecting plate 382 and the blade cover 330 are fixedly connected by welding, which has better connection strength and higher installation efficiency. The other end of the connecting plate 382 is fixedly connected with the baffle plate 381 by bolts. In other embodiments, the connecting plate 382 can also be fixedly connected with the baffle plate 381 by other detachable connection modes, such as clamping connection of clamping groove and clamping block. By arranging the connecting plate 382, the connection between the baffle plate 381 and the blade cover 330 can be facilitated, and the installation position between the baffle plate 381 and the blade cover 330 is more flexible, so that the baffle plate 381 can better adapt to the installation position requirement between the rear wall 340 and the blade cover 330.

[0235] Please refer to Fig. 37, in the embodiment of the rotary cultivator 1000 of the present application, two sets of bolt fasteners 384 are arranged between the baffle 381 and the cultivator blade guard 330. The two sets of bolt fasteners 384 can be arranged in the inclined direction or in the front-rear direction, and no specific limitation is made in this regard. Preferably, in the embodiment, the two sets of bolt fasteners 384 are arranged in the inclined direction. Each set of bolt fasteners 384 can include a bolt, a locking nut, a spring washer, or a flat washer, etc. Corresponding through holes are formed on the baffle 381 and the connecting plate 382, and the bolt is screwed with the locking nut after passing through the through holes, thereby achieving the fixed connection between the baffle 381 and the connecting plate 382. In other embodiments, one of the baffle 381 or the connecting plate 382 can be provided with a threaded hole, and the other one can be provided with a through hole, and the bolt is screwed in the threaded hole after passing through the through hole, thereby achieving the fixed connection between the baffle 381 and the connecting plate 382.

[0236] By arranging two sets of bolt fasteners 384, when the rear wall 340 needs to be removed from the cultivator blade guard 330, at this time, the bolt fasteners 384 close to the first rotary shaft 361 are removed, i.e. the bolt is pulled out of the through holes of the baffle 381 and the connecting plate 382, the bolt fasteners 384 away from the first rotary shaft 361 are loosened, but the bolt is not pulled out of the through holes of the baffle 381 and the connecting plate 382, at this time, the bolt away from the first rotary shaft 361 is taken as the rotary shaft, the baffle 381 is rotated towards the side away from the ground, thereby moving the baffle 381 away from the position shielding the second mounting hole 3431, then the rear wall 340 is rotated upwards, so that the rear wall 340 is separated from the side wall of the cultivator blade guard 330 in the transverse direction, then the rear wall 340 is moved in the transverse direction, so that the second mounting hole 3431 moves away from the first mounting hole 3331, until the first rotary shaft 361 is separated from the second mounting hole 3431 (or the second mounting hole 3431 drives the first rotary shaft 361 to separate from the first mounting hole 3331), thereby completing the removal of the rear wall 340 from the cultivator blade guard 330. When the rear wall 340 needs to be installed on the cultivator blade guard 330 again, at this time, the two ends of the first rotary shaft 361 are inserted into the first mounting hole 3331 and the second mounting hole 3431 respectively in the opposite transverse direction, then the baffle 381 is rotated in the opposite direction, so that the baffle 381 shields the end of the second mounting hole 3431 away from the boss 3611 again, at this time, the bolts on the baffle 381 close to the first rotary shaft 361 are inserted into the through holes of the connecting plate 382 and the baffle 381 in turn, and are screwed with the corresponding locking nuts again, while the bolt fasteners 384 away from the first rotary shaft 361 are screwed, thereby restoring the fixed connection between the baffle 381 and the connecting plate 382.

[0237] From the above disassembly action process can be seen, in the process of disassembling the rear baffle 340 relative to the coulter guard 330, the baffle 381 does not need to be completely separated from the coulter guard 330, the baffle 381 only needs to rotate back and forth, so as to improve the repeated installation efficiency of the baffle 381 and ensure the repeated installation positioning accuracy of the baffle 381, and also can reduce the probability of losing the baffle 381 in the disassembly process.

[0238] It should be noted that in other embodiments, three groups of bolt fasteners 384 or more than three groups of bolt fasteners 384 can also be provided between the baffle 381 and the coulter guard 330. When the baffle 381 rotates, only one group of bolts needs to be ensured to be separated from the through hole of the baffle 381 and the connecting plate 382, which can play the role of the rotating shaft.

[0239] Please refer to FIG. 37, in an embodiment of the rotary cultivator 1000 of the present application, the baffle 381 is provided with a hand-held part 383 near one end of the first rotating shaft 361. The hand-held part 383 can be a bending structure extending from the baffle 381, or a gripping handle structure welded to the baffle 381. In this embodiment, the hand-held part 383 is a bending part formed by bending the side of the baffle 381 near the first rotating shaft 361 horizontally. The arrangement of the bending part not only facilitates the rotation of the baffle 381, but also enhances the strength of the end of the baffle 381, reduces the deformation of the end of the baffle 381, thereby improving the repeated positioning accuracy of the baffle 381 relative to the second mounting part 343.

[0240] Please refer to FIGS. 36 to 42, in an embodiment of the rotary cultivator 1000 of the present application, the rear baffle 340 is provided with a sawtooth structure 342 at one end facing the ground to perform the scraping operation on the ground. The end of the rear baffle 340 facing the ground includes a first bending part 341, the first bending part 341 is bent towards the side of the coulter 320, and a plurality of sawtooth structures 342 are arranged along the length direction of the first bending part 341. The sawtooth structures 342 are triangular sawtooth structures 342. During the operation of the rotary cultivator 1000, under the action of gravity, the first bending part 341 of the rear baffle 340 sags towards the working ground and abuts against the working ground, and as the rotary cultivator 1000 moves forward, the sawtooth structures 342 on the first bending part 341 will be inserted into the soil after rotary cultivation, so as to perform the scraping operation on the working ground, thereby realizing the leveling operation on the ground during the rotary cultivation operation and saving the subsequent leveling process of the working ground.

[0241] In the embodiment of the rotary cultivator 1000, referring to FIG. 35 and FIG. 36, the blade guard 330 is further provided with a damping rod 370, the damping rod 370 is installed through the blade guard 330, and the part of the damping rod 370 between the blade 320 and the rear apron 340 can abut against the side of the rear apron 340 facing the blade 320. The damping rod 370 comprises a rod body 371 and a fourth supporting part 372, the rod body 371 can be directly fixedly connected with the blade guard 330 or indirectly fixedly connected with the blade guard 330 through other parts. In the embodiment, the blade guard 330 is further fixedly installed with a guide sleeve 373, one end of the rod body 371 is arranged in the guide sleeve 373, the other end extends into the rear apron 340 and the blade 320, and is fixedly connected with the fourth supporting part 372, the fourth supporting part 372 abuts against the side of the rear apron 340 facing the blade 320. By arranging the damping rod 370, the downward rotation of the rear apron 340 can be limited, so as to avoid the interference between the rear apron 340 and the front blade 320 in the working process of the rotary cultivator 1000, and the working of the blade 320 is affected. Preferably, in the embodiment, the rod body 371 is provided with a plurality of adjusting holes in the length direction, the adjusting holes are named as third adjusting holes 3711 for convenience of marking, the guide sleeve 373 is provided with a screw rod 374, the screw rod 374 is screwed on the guide sleeve 373 through a handle 375, and the screw rod 374 is arranged in the corresponding third adjusting hole 3711. By moving the position of the rod body 371 in the guide sleeve 373 up and down, the screw rod 374 can be arranged in different third adjusting holes 3711, and then the fourth supporting part 372 can be moved up and down along the height direction of the rear apron 340, so as to adjust the limit angle of the downward rotation of the rear apron 340, and the scraping angle of the rear apron 340 to the ground can be adjusted, so as to adapt to the requirements of the flat height of different working grounds.

[0242] The application also provides a garden tool, which can be a cultivator, a mini-tiller or a snow blower, etc. The garden tool comprises a frame 100, a working assembly, a blade guard 330, a rear baffle 340 and a limiting assembly 380. The working assembly is installed on the frame 100 and comprises a blade for garden work. The blade guard 330 is installed on the frame 100 and covers the blade. The rear baffle 340 is detachably and rotatably installed on the blade guard 330 and vertically blocks the rear end of the blade. The limiting assembly 380 is arranged on the blade guard 330 and / or the rear baffle 340 to prevent the rear baffle 340 from being separated from the blade guard 330. The specific structure of the frame 100 is not limited. The frame 100 can be a welded part or a sheet metal bending part, as long as it meets the strength and rigidity requirements of the rotary cultivator 1000. The frame 100 is provided with a traveling mechanism 110, which can comprise a driving part, a transmission assembly, a power source assembly, etc. The power source assembly provides energy for the driving part, and the driving part provides power for the rotation of the traveling wheel 111. The working assembly is installed on the frame 100 and comprises a blade that operates to perform corresponding garden work. The detachable and rotatable installation mode between the rear baffle 340 and the blade guard 330 and the specific structure of the limiting assembly 380 can be the corresponding structures in the above-mentioned rotary cultivator 1000, and the parts not described in detail and the relative connection relationship of the above-mentioned garden tool can refer to the corresponding garden tool structure in the prior art, which will not be described in detail.

[0243] The rotary cultivator 1000 and the garden tool provided by the application can simplify the connection structure between the rear baffle 340 and the blade guard 330 by rotatably installing the rear baffle 340 on the blade guard 330, so that the disassembly and assembly time between the rear baffle 340 and the blade guard 330 can be saved. At the same time, by arranging the limiting assembly 380, moving the position of the limiting assembly 380 relative to the blade guard 330 or the rear baffle 340 can complete the disconnection and connection actions between the rear baffle 340 and the blade guard 330, realizing the detachable connection between the rear baffle 340 and the blade guard 330. Such arrangement makes the disassembly and assembly structure between the rear baffle 340 and the blade guard 330 simpler and the operation more convenient and fast, so as to further improve the disassembly and assembly efficiency between the rear baffle 340 and the blade guard 330 and the work efficiency of the rotary cultivator 1000.

[0244] In order to ensure the normal work of the rotary cultivator, the main line connection of the rotary cultivator needs to be detected regularly to exclude line faults in advance. When line faults occur during the operation of the rotary cultivator, the line faults need to be checked and repaired in time to reduce the downtime of the rotary cultivator and ensure the working efficiency of the rotary cultivator. At present, the cable connection positions of the rotary cultivator on the market are relatively dispersed, and the process of maintenance and troubleshooting is relatively complicated, which consumes a lot of time and increases the downtime of the rotary cultivator, thereby reducing the working efficiency of the rotary cultivator. In view of this, the rotary cultivator and garden tool are provided to improve the long line maintenance and troubleshooting time of the rotary cultivator, prolong the downtime of the rotary cultivator, and reduce the working efficiency of the rotary cultivator.

[0245] Referring to FIGS. 17-65, the rotary cultivator 1000 only needs to remove the third cover 203 from the opening portion 202 to expose the opening portion 202 without removing the third shell 230 when troubleshooting and routine maintenance of the whole machine line are performed. In this way, the line maintenance can be facilitated, the time spent on line maintenance can be saved, the downtime of the rotary cultivator 1000 can be reduced, and the working efficiency of the rotary cultivator 1000 can be improved accordingly.

[0246] Please refer to FIG. 17 to FIG. 25, in an embodiment of the rotary cultivator 1000, the rotary cultivator 1000 comprises a frame 100, a traveling mechanism 110, a cultivator assembly 300 and a housing assembly. The specific structure of the frame 100 is not limited, the frame 100 can be a welded piece, or a sheet metal bending piece, as long as it meets the strength and rigidity requirements of the rotary cultivator 1000. The housing assembly comprises a second housing 220, the second housing 220 has a second accommodating cavity 223, the second housing 220 can be a part of the frame 100, or a separate housing structure fixedly connected to the frame 100 by bolts, etc., in the embodiment, the second housing 220 is a part of the frame 100, and the second accommodating cavity 223 is located on the side of the frame 100 facing the ground. The traveling mechanism 110 comprises a first driving device 112, a first transmission assembly 115, a first transmission shaft 116 and two traveling wheels 111. The first driving device 112 is connected with the first transmission shaft 116 through the first transmission assembly 115, the first driving device 112 can be a motor, a motor + reducer or a hydraulic motor, etc., which can provide power to the first transmission assembly 115. In the embodiment, the first driving device 112 is a driving motor. The first transmission assembly 115 can be a multi-stage gear transmission structure, or a worm gear transmission structure, etc., which is not limited. The first driving device 112 is fixedly installed on the wall of the second housing 220 and located in the second accommodating cavity 223. The first transmission assembly 115 is also located in the second accommodating cavity 223, and the input end of the first transmission assembly 115 is connected with the output end of the first driving device 112, and the output end of the first transmission assembly 115 is in transmission connection with the first transmission shaft 116. The length direction both ends of the first transmission shaft 116 respectively penetrate through the two side walls of the second housing 220 and extend towards the outside of the second accommodating cavity 223, and the first transmission shaft 116 is rotatably installed on the wall of the second housing 220 through a rotary bearing; the two traveling wheels 111 are fixedly installed on the two ends of the first transmission shaft 116 respectively. The first driving device 112 operates to drive the first transmission assembly 115 to operate, and then drive the first transmission shaft 116 to rotate, and the first transmission shaft 116 drives the two traveling wheels 111 at both ends to rotate, thereby realizing the traveling of the frame 100.

[0247] It should be noted that, please refer to FIG. 17 and FIG. 25, a first cover plate 224 is also arranged at the opening position of the second housing 220, and the first cover plate 224 is fixedly connected to the wall of the second housing 220 by bolts. The first cover plate 224 can form a shield at the opening of the second accommodating cavity 223, thereby playing a protective role for the first driving device 112 and the first transmission assembly 115 in the second accommodating cavity 223, and improving the service life.

[0248] Please refer to FIG. 17 to FIG. 45, along the working direction of the rotary cultivator 1000, the rear end of the frame 100 is provided with the cultivator assembly 300, the cultivator assembly 300 comprises the second driving device 310, the second transmission assembly 350, the cultivator 320 and the second transmission shaft 351. The second driving device 310 provides power for the rotation of the second transmission shaft 351, and the second driving device 310 can be a motor, can be a motor + reducer or a hydraulic motor, etc. In this embodiment, the second driving device 310 is a driving motor. The second transmission assembly 350 can be a multi-stage gear transmission structure, or a worm gear transmission structure, etc. The second driving device 310 is fixedly connected to the frame 100 by bolts. The upper part of the cultivator assembly 300 is provided with the cultivator guard 330, the cultivator guard 330 is fixedly connected to the frame 100 by bolts, and covers the upper part of the cultivator assembly 300 to play a protective role for the cultivator assembly 300. Please refer to FIG. 17 to FIG. 27, the output end of the second driving device 310 penetrates the wall of the cultivator guard 330 and extends into the interior of the cultivator guard 330. The second transmission assembly 350 is located in the cultivator guard 330 and is fixedly connected to the frame 100 by bolts. The input end of the second transmission assembly 350 is connected with the output end of the second driving device 310, and the output end of the second transmission assembly 350 is fixedly connected with the second transmission shaft 351.

[0249] In this embodiment, the second transmission assembly 350 is a gear reducer box mechanism, which extends from one side of the second driving device 310 to the rear end of the frame 100 obliquely downward in the cultivator guard 330. The first support frame 331 is also arranged in the cultivator guard 330, which is located below the second transmission assembly 350, one end of the first support frame 331 is fixedly connected with the frame 100, and the other end of the first support frame 331 extends toward the side of the gear reducer box and is fixedly connected with the box body of the gear reducer box to form support below the gear reducer box. The second transmission shaft 351 and the cultivator 320 are arranged in the cultivator guard 330. The second transmission shaft 351 extends along the width direction of the rotary cultivator 1000 (as shown by the X axis in FIG. 43), and the cultivator 320 is arranged in multiple along the length direction of the second transmission shaft 351, and the multiple cultivators 320 are fixedly connected with the second transmission shaft 351. The second driving device 310 rotates to drive the second transmission assembly 350 to operate, the second transmission assembly 350 drives the second transmission shaft 351 to rotate, and the second transmission shaft 351 drives the cultivator 320 to rotate, thereby performing rotary tillage operation on the working ground.

[0250] The rack 100 is further provided with a power source 400, which can provide power for the operation of the plough assembly 300 and / or the walking of the rack 100. In the embodiment, referring to FIGS. 44 and 45, the power source 400 comprises a plurality of first batteries 410, which can be connected in series, in parallel or in a mixed manner. The plurality of first batteries 410 can simultaneously supply power to the first driving device 112 and the second driving device 310, or only to one of the first driving device 112 and the second driving device 310, which is not specifically limited. In order to reduce the damage to the first batteries 410 caused by bumping during operation, in the embodiment, a first housing 210 is arranged above the rack 100, and the first housing 210 is fixedly installed on the rack 100 by bolts. The first batteries 410 are arranged in the first housing 210. The bottom end of the first housing 210 can be provided with a wiring hole, and the first driving device 112 can be electrically connected to the first batteries 410 through the wiring hole.

[0251] In order to facilitate the operator to hold the rotary cultivator 1000 during operation, referring to FIGS. 44 and 34, the rotary cultivator 1000 is provided with a handrail assembly 700, which comprises a mounting seat 710 and a handle 720. The mounting seat 710 is connected to the rack 100, and one end of the handle 720 is fixedly connected to the mounting seat 710, and the other end of the handle 720 extends towards the rear end of the rack 100. The handrail assembly 700 can be adjustably connected to the rack 100 at an angle, or can be fixedly connected to the rack 100 at an angle. In the embodiment, the mounting seat 710 is rotatably connected to the rack 100, and the handrail assembly 700 further comprises a positioning rod 740, which is fixedly connected to the rack 100 or other parts fixedly connected to the rack 100. The mounting seat 710 is a disc structure, and a plurality of clamping grooves 711 are formed in the outer periphery of the mounting seat 710. The plurality of clamping grooves 711 can be clamped with the positioning rod 740 during the rotation of the mounting seat 710, so as to fix the handle 720 at different installation angles.

[0252] Referring to FIGS. 44 and 45, the housing assembly further comprises a third housing 230, which is arranged above the rack 100 and is fixedly connected to the rack 100 by bolts. The third housing 230, the rack 100 and the plough guard 330 form a third accommodating cavity 233 therebetween, and the second driving device 310 is arranged in the third accommodating cavity 233.

[0253] A plurality of interfaces (not shown in the figure) are also arranged in the third accommodating cavity 233. The specific number of the interfaces is not limited and depends on the complexity of the circuit of the rotary cultivator 1000. The interfaces can be communication cable interfaces, energy cable interfaces, or the like. In the embodiment, the interfaces can be plugged into the controller of the rotary cultivator 1000 at one end and electrically connected to different electrically controlled components of the rotary cultivator 1000 at the other end, for example, can be electrically connected to the first driving device 112 and the second driving device 310, can be electrically connected to the first battery 410, and can be electrically connected to other control switches, control sensors, and the like, without specific limitation. The interfaces can be directly mounted on the inner wall of the third shell 230 or indirectly connected to the inner wall of the machine frame 100 or the third shell 230 through other parts. Please refer to FIGS. 47-49, the third shell 230 is provided with an opening part 202. The interfaces can be plugged into external devices through the opening part 202. The external devices can be external detection devices to detect faults of the electrical elements connected to the other end of the interfaces or to obtain actual operating parameters of the electrical elements when the opening part 202 is opened. The external devices can also be external power supply devices to determine the short-circuit position of the interface end circuit through electrical connection with the interfaces. At the same time, the opening part 202 also facilitates observation of the actual wiring of the plurality of interfaces inside the third accommodating cavity 233 to timely find the line fault problem of the interfaces. The specific shape and area of the opening part 202 are not limited, for example, can be rectangular, square, or circular structure, as long as it can meet the maintenance space requirements of the interfaces. In the embodiment, the opening part 202 is approximately square structure and the corners are provided with transition fillets.

[0254] Please refer to FIGS. 47-49, the opening part 202 is detachably connected with a third cover 203. The shape of the third cover 203 matches the shape of the opening part 202. The third cover 203 is covered on the opening part 202 to isolate the interfaces in the third accommodating cavity 233 from the outside. The detachable connection between the opening part 202 and the third cover 203 can be achieved in various ways, for example, the opening part 202 can be provided with a bayonet and the third cover 203 can be provided with a clamping groove. The detachable connection between the third cover 203 and the opening part 202 can be achieved by clamping and separating between the bayonet and the clamping groove. The third cover 203 and the opening part 202 can also be detachably connected by additionally arranging a lock structure between the third cover 203 and the opening part 202, and the detachable connection between the third cover 203 and the opening part 202 can be achieved by opening or closing the lock structure.

[0255] In the embodiment, referring to FIG. 46, the third cover 203 is provided with a first connecting bolt 2033 at each diagonal position, and the third cover 203 is fixedly connected to the opening portion 202 through the first connecting bolt 2033. The detachable connection between the third cover 203 and the opening portion 202 is realized by disassembling and assembling the first connecting bolt 2033. It should be noted that the first connecting bolt 2033 can also be arranged at each corner position of the third cover 203, as long as the connection strength requirement of the third cover 203 and the opening portion 202 is met, and the specific limitation is not made. The rotary cultivator 1000 provided in the application is provided with a plurality of interfaces in the third accommodating cavity 233, and the third shell 230 is also provided with an opening portion 202 for observing the wiring condition of the plurality of interfaces, and the opening portion 202 is detachably connected with the third cover 203. In this way, on the one hand, the line connection position in the rotary cultivator 1000 can be more concentrated, which is convenient for unified maintenance and is conducive to improving the efficiency of cable troubleshooting and maintenance; on the other hand, by arranging the opening portion 202 and the third cover 203, when the line needs to be troubleshooted and normally maintained and checked, the third cover 203 only needs to be removed from the opening portion 202, and the opening portion 202 is leaked, without the need to disassemble the third shell 230, and the operator can realize the troubleshooting and maintenance of part of the line through the opening portion 202. In addition, through the opening, without the need to disassemble the third shell 230, the external detection equipment can be connected with the interfaces in the third accommodating cavity 233, the electrical elements connected with the interfaces are detected for fault or the actual running parameters of the electrical elements are acquired, and then the maintenance of the electrical elements can be facilitated, the time for disassembling and assembling parts during maintenance is saved, the downtime of the rotary cultivator 1000 is further reduced, and the working efficiency of the rotary cultivator 1000 is correspondingly improved.

[0256] Referring to FIGS. 45 and 48, in the embodiment, the third accommodating cavity 233 also accommodates a fourth shell 800, the control element 803 is installed in the fourth shell 800, and the control element 803 is electrically connected with the first driving device 112 and the second driving device 310. The interfaces are arranged on the outer side of the fourth shell 800 facing the opening portion 202. In this way, the interfaces can be arranged close to the control element 803, the electrical connection between the interfaces and the control element 803 is facilitated, the length of the connecting cable is effectively shortened, and the arrangement of the cable is optimized. At the same time, when the cable in the fourth shell 800 is found to be faulty through the opening portion 202, the cable in the fourth shell 800 can be repaired by disassembling the third shell 230, and the operator does not need to move back and forth to detect the position, so that the operation is facilitated, the efficiency of cable repair is further improved, and the downtime of the rotary cultivator 1000 is reduced.

[0257] Please refer to Figure 45, in the embodiment, the second driving device 310 is arranged in the third accommodating cavity 233, and is located at one side of the third accommodating cavity 233 close to the plough blade 320. In this way, the distance between the second driving device 310 and the control element 803 can be shortened, so that the electrical connection between the second driving device 310 and the control element 803 can be facilitated. At the same time, when the circuit of the second driving device 310 fails, the third shell 230 can be removed to repair the second driving device 310, without the need to remove the second driving device 310 from the second box body, so that the repair of the second driving device 310 can be facilitated.

[0258] Please refer to Figures 47 to 52, in an embodiment of the rotary cultivator 1000 of the present application, the third cover body 203 is provided with a first clamping groove 2031, and the opening part 202 is provided with a second protrusion 2021, the second protrusion 2021 is clamped in the first clamping groove 2031. The specific structure of the first clamping groove 2031 and the second protrusion 2021 can not be limited, for example, the first clamping groove 2031 can be an integral closed loop structure, and the second protrusion 2021 is an integral closed loop structure matched with the first clamping groove 2031, and the second protrusion 2021 is clamped around the first clamping groove 2031; the first clamping groove 2031 can also be a plurality of local clamping groove bodies arranged along the outer edge of the third cover body 203, and the second protrusion 2021 is a plurality of protruding block structures arranged correspondingly to the first clamping groove 2031, and the plurality of protruding blocks are clamped in the plurality of local clamping groove bodies respectively; as long as the clamping connection between the third cover body 203 and the opening part 202 can be achieved, the specific structure of the first clamping groove 2031 and the second protrusion 2021 is not limited. The third cover body 203 and the opening part 202 are connected in a clamping manner, which can not only improve the repeated positioning accuracy between the third cover body 203 and the opening part 202, but also improve the sealing performance of the connection between the third cover body 203 and the opening part 202, reduce the contact between the interface in the third accommodating cavity 233 and the atmosphere, and further reduce the probability of corrosion and electric leakage of exposed cables at the interface.

[0259] It should be noted that in another embodiment, the second protrusion 2021 can be arranged on the third cover body 203, and the first clamping groove 2031 can be arranged on the opening part 202, and the second protrusion 2021 is clamped in the first clamping groove 2031, so as to realize the clamping connection between the third cover body 203 and the opening part 202.

[0260] Please refer to FIG. 46 to FIG. 52, in an embodiment of the rotary cultivator 1000 of the present application, the second protrusion 2021 is arranged on the opening part 202, and the second protrusion 2021 protrudes outwardly towards the third shell 230. The second protrusion 2021 is annular structure, the shape profile of the second protrusion 2021 matches the shape profile of the opening part 202, the third cover 203 comprises a body part 2034 and a flange part 2035 arranged annularly around the body part 2034, and the first clamping groove 2031 is arranged on the flange part 2035. Correspondingly, the first clamping groove 2031 is also annular structure, the second protrusion 2021 is clamped in the first clamping groove 2031, and the outer annular wall of the second protrusion 2021 abuts against the side wall of the first clamping groove 2031 to form a closed loop contact surface 204 in the circumferential direction of the third cover 203, as shown in FIG. 53. The closed loop contact surface 204 can be cylindrical surface structure, can be conical surface structure, can be concave-convex structure composed of multiple protrusions or recesses, etc., as long as it can form a closed loop contact surface 204 between the third cover 203 and the opening part 202, which is not specifically limited. In the embodiment, please refer to FIG. 47 and FIG. 48, the closed loop contact surface 204 formed between the third cover 203 and the third shell 230 is cylindrical surface structure. The arrangement of the closed loop contact surface 204 can further improve the connection and sealing performance between the third cover 203 and the opening part 202, further reduce the contact between the interface in the accommodation cavity and the atmosphere, and is beneficial to reducing the corrosion of the interface.

[0261] In an embodiment of the rotary cultivator 1000 of the present application, please refer to FIG. 53, the closed loop contact surface 204 is annularly arranged with the second clamping groove 2022, and a sealing element can be arranged in the second clamping groove 2022. The second clamping groove 2022 can be arranged on the second protrusion 2021, or can be arranged on the first clamping groove 2031; the sealing element can be a separate sealing ring structure, which is clamped in the second clamping groove 2022, and when the third cover 203 is connected with the opening part 202, the sealing ring is pressed and abuts in the second clamping groove 2022 to form a sealed connection; the sealing element can also be an extension part 2032 integrally formed on the third cover 203 or the opening part 202, which is clamped into the second clamping groove 2022 to form a seal when the third cover 203 is connected with the opening part 202. Such arrangement can further improve the sealing performance of the connection position of the third cover 203 and the opening part 202.

[0262] Please refer to FIG. 47, FIG. 51 and FIG. 53, in the embodiment, the second clamping groove 2022 is arranged on the side of the second protrusion 2021 away from the third shell 230, the slot of the second clamping groove 2022 faces upward, and the cross-sectional shape of the second clamping groove 2022 is rectangular. The inner side of the first clamping groove 2031 includes an extension 2032 extending toward the direction of the slot of the second clamping groove 2022, the profile shape of the extension 2032 matches the profile shape of the second clamping groove 2022, the extension 2032 is clamped in the second clamping groove 2022, and the end of the extension 2032 abuts against the bottom wall of the second clamping groove 2022; at the same time, the outer slot wall of the second clamping groove 2022 is clamped in the first clamping groove 2031, and the wall body on the side of the first clamping groove 2031 away from the opening 202 abuts against the outer side wall of the second protrusion 2021 to form an annular contact surface. In this way, multiple sealing lines can be formed between the third cover 203 and the opening 202, the sealing performance between the third cover 203 and the opening 202 can be effectively enhanced, the local strength of the connection position of the opening 202 and the third cover 203 can be enhanced, the deformation of the opening 202 and the third cover 203 in the process of multiple disassembly and assembly can be reduced, and the stability of the sealing contact area between the third cover 203 and the opening 202 can be maintained. It should be noted that when the extension 2032 extends into the second clamping groove 2022, the side surface of the extension 2032 can also abut against the side wall of the second clamping groove 2022, as long as a sealing contact surface is formed between the extension 2032 and the second clamping groove 2022.

[0263] Please refer to FIG. 46, FIG. 47, FIG. 49, FIG. 52 and FIG. 53, in the embodiment of the rotary cultivator 1000, the opening 202 includes a cable passage 205, and the cable passage 205 penetrates the closed loop contact surface 204. The cable passage 205 can be located at any position around the opening 202, and the cable passage 205 can be provided with one or more, as long as the connection requirement of the cable is met. In the embodiment, the cable passage 205 is provided with two, and the two cable passages 205 are arranged on the opposite two side walls of the opening 202. The cross-sectional sizes of the two cable passages 205 can be equal or not equal, which is not limited. By arranging the cable passage 205, the cable inlet and outlet passage can be reserved at the opening 202, and the wiring layout of the cable in the later period is facilitated.

[0264] Please refer to FIG. 46, FIG. 47, FIG. 49, FIG. 52 and FIG. 53, in an embodiment of the rotary cultivator 1000 of the present application, the cable channel 205 comprises an upper half channel 2051 arranged on the third cover 203 and a lower half channel 2052 arranged on the opening portion 202, and the upper half channel 2051 and the lower half channel 2052 are arranged correspondingly. The upper half channel 2051 and the lower half channel 2052 can be arranged with equal cross sections or unequal cross sections. The cable channel 205 can be a circular cross section or a square cross section, and correspondingly, the cross section shape of the upper half channel 2051 and the lower half channel 2052 can also be changed adaptively. In this embodiment, the cable channel 205 is a circular channel, and the upper half channel 2051 and the lower half channel 2052 are both semicircular structures. In this way, when the first cover plate 224 is removed from the opening portion 202, the upper half channel 2051 is removed from the lower half channel 2052, and the cable in the cable channel 205 is moved upward and can be pulled out, so that the cable can be replaced or repaired conveniently.

[0265] Please refer to FIG. 46 and FIG. 47, in an embodiment of the rotary cultivator 1000 of the present application, the third shell 230 is further provided with a first support portion 206, the first support portion 206 is located on the extension line of the length direction of the cable channel 205, and the first support portion 206 can be arranged outside the second protruding portion 2021 or inside the second protruding portion 2021; preferably, in this embodiment, the first support portion 206 is arranged outside the second protruding portion 2021, and the first support portion 206 has a first arc-shaped support surface 2061 coaxially arranged with the cable channel 205 to support and position the cable installed in the cable channel 205. In another embodiment, please refer to FIG. 8, the inside of the second protruding portion 2021 is further provided with a second support portion 207, the second support portion 207 is located on the extension line of the cable channel 205 towards the center side of the opening portion 202, and the second support portion 207 has a second arc-shaped support surface 2071 coaxially arranged with the cable channel 205. In this way, the first arc-shaped support surface 2061 and the second arc-shaped support surface 2071 can effectively extend the length of the cable channel 205, increase the support area of the cable installed in the cable channel 205, and at the same time, the arc-shaped support surface can also position the transverse movement of the cable and improve the stability of the cable installation.

[0266] Further, please refer to FIG. 46, FIG. 47 and FIG. 52, in another embodiment of the present application, a pipe clamp 208 is further arranged above the second support portion 207, the pipe clamp 208 is fixedly connected to the second support portion 207 by bolts, and the pipe clamp 208 is arranged on the second arc-shaped support surface 2071 to press the cable on the second arc-shaped support surface 2071, so as to position the cable in the length direction and reduce the probability of damaging the cable.

[0267] Referring to FIG. 52, in an embodiment of the rotary cultivator 1000 of the present application, the inner side of the opening portion 202 comprises a first through hole 2023 that communicates between the inner side and the outer side of the third housing 230, and a mounting plane 2024 that faces the outer side of the opening portion 202. The mounting plane 2024 can be provided with a plurality of tube clamps 208 for fixing cables, and threaded holes for threadedly connecting the third cover 203 are arranged at opposite corners of the mounting plane 2024. The mounting plane 2024 is located above the fourth housing 800, and a height gap is formed between the mounting plane 2024 and the top wall of the fourth housing 800 to accommodate an interface mounted on the outer side of the top wall of the fourth housing 800. The first through hole 2023 can be located in the central region of the opening portion 202, or in a region close to any one side of the opening portion 202. The shape of the first through hole 2023 can be any shape such as a rectangle, a circle, or a triangle, as long as it is convenient for the operator to check the connection of the cables in the accommodation cavity.

[0268] The present application also provides a garden tool, which can be a soil loosener, a mini tiller, or a snow blower, etc. The garden tool comprises a frame 100, a walking mechanism 110, a working assembly, and a third housing 230. The walking mechanism 110 is mounted on the frame 100 to drive the frame 100 to walk. The walking mechanism 110 can comprise a driving part, a transmission assembly, and a power source 400, wherein the power source 400 provides energy for the driving part, and the driving part provides power for the rotation of the walking wheel 111. The working assembly is mounted on the frame 100 to perform corresponding garden work. The third housing 230 is mounted on the frame 100, and an accommodation cavity is formed between the third housing 230 and the frame 100. At least a plurality of interfaces are arranged in the accommodation cavity, and the third housing 230 is provided with an opening portion 202, which is detachably connected with a third cover 203. The cable connected with the interface can be a control cable for controlling the walking speed of the garden tool, a control cable for controlling the operation of the working assembly, or an energy cable for connecting the controller with the power source 400, etc., and no specific limitation is made. The specific structure of the detachable connection between the opening portion 202 and the third cover 203 can be the corresponding structure in the above-described rotary cultivator 1000, and the parts not described in detail and the relative connection relationship of the above-described garden tool can refer to the corresponding garden tool structure in the prior art, and no further description is given.

[0269] The rotary cultivator 1000 and garden tool provided by the application can realize the adjustment of the center of gravity of the rotary cultivator 1000, so that the center of gravity of the rotary cultivator 1000 can be matched with the three different working states of the rotary cultivator 1000, i.e., flat land cultivation, slope land cultivation and pushing transportation, thereby meeting the performance requirements of the operator on the rotary cultivator 1000, i.e., the operator can operate the rotary cultivator 1000 with less effort and conveniently in the three different working states.

[0270] During the operation of the rotary cultivator, there are generally three common working states, i.e., flat land cultivation, slope land cultivation and pushing transportation. In the three different working states, the operator needs to apply different forces to operate the rotary cultivator in order to keep the rotary cultivator balanced. When designing the center of gravity of the rotary cultivator, the requirement of flat land cultivation is usually considered, so that the working states of slope land cultivation and pushing transportation cannot be well considered, which leads to the problems of laborious operation and inconvenient operation of the rotary cultivator in the working states of slope land cultivation and pushing transportation, and the experience of the operator is poor. Therefore, the application provides a rotary cultivator and garden tool to meet the performance requirements of the operator on the rotary cultivator, i.e., the operator can operate the rotary cultivator with less effort and conveniently in the three different working states.

[0271] Please refer to FIGS. 16 to 65, the application provides a rotary cultivator 1000 and garden tool, the rotary cultivator 1000 is provided with a counterweight 900 on the frame 100, and the counterweight 900 is adjustably installed on the frame 100 through the adjusting structure 600, so that the center of gravity of the rotary cultivator 1000 can be adjusted, and the center of gravity of the rotary cultivator 1000 can be matched with the three different working states of the rotary cultivator 1000, i.e., flat land cultivation, slope land cultivation and pushing transportation, thereby meeting the performance requirements of the operator on the rotary cultivator 1000, i.e., the operator can operate the rotary cultivator 1000 with less effort and conveniently in the three different working states.

[0272] Please refer to FIG. 54 to FIG. 61, in an embodiment of the rotary cultivator 1000 of the application, the rotary cultivator 1000 comprises: a frame 100, a traveling mechanism 110, a cultivator assembly 300, a power source 400 and a counterweight 900. The specific structural form of the frame 100 is not limited, and the frame 100 can be a welded part or a sheet metal bent part, as long as it meets the strength and rigidity requirements of the rotary cultivator 1000. The frame 100 is provided with a second shell 220, and the second shell 220 has a second accommodating cavity 223. The second shell 220 can be a part of the frame 100 or a separate part fixedly connected to the frame 100 by bolts, etc. In this embodiment, the second shell 220 is a part of the frame 100, and the second accommodating cavity 223 is located on the side of the frame 100 facing the ground. The traveling mechanism 110 comprises a first driving part, a first transmission shaft 116 and two traveling wheels 111. The driving part provides power for the rotation of the first transmission shaft 116, and can be an electric motor, an electric motor + speed reducer, an electric motor + gear rack transmission mechanism, or an electric motor + screw nut transmission mechanism, etc. In this embodiment, the driving part comprises a first driving device 112 and a first transmission assembly 115, which can be a multi-stage gear transmission structure or a worm gear transmission structure, etc. The first driving device 112 is fixedly installed on the wall of the second shell 220 and located in the second accommodating cavity 223. The first transmission assembly 115 is also located in the second accommodating cavity 223, and the input end of the first transmission assembly 115 is connected with the output end of the first driving device 112, and the output end of the first transmission assembly 115 is in transmission connection with the first transmission shaft 116. The lengthwise ends of the first transmission shaft 116 respectively penetrate through the two side walls of the second shell 220 and extend outward from the second accommodating cavity 223, and the first transmission shaft 116 is rotatably installed on the wall of the second shell 220 through a rotary bearing; the two traveling wheels 111 are fixedly installed on the two ends of the first transmission shaft 116. The first driving device 112 operates to drive the first transmission assembly 115 to rotate, and then drives the first transmission shaft 116 to rotate, and the first transmission shaft 116 drives the two traveling wheels 111 at the ends to rotate, thereby realizing the traveling of the frame 100.

[0273] It should be noted that the first cover plate 224 is also provided at the opening position of the second shell 220, and the first cover plate 224 is fixedly connected to the wall of the second shell 220 by bolts. The first cover plate 224 can form a shielding effect at the opening of the second accommodating cavity 223, thereby playing a protective role for the first driving device 112 and the first transmission assembly 115 in the second accommodating cavity 223, and improving the service life.

[0274] The rear end of the frame 100 is provided with a plough blade assembly 300 in the working direction of the rotary cultivator 1000. The plough blade assembly 300 is fixedly connected to the frame 100, and the fixed connection modes include but are not limited to bolt connection. The plough blade assembly 300 includes a second driving part, a second transmission assembly 350, a plough blade 320 and a second transmission shaft 351. The second driving part provides power for the rotation of the second transmission shaft 351. The second driving part can be a motor, a motor + reducer, a motor + gear rack transmission mechanism, or a motor + screw nut transmission mechanism, etc. In this embodiment, the second driving part includes a second driving device 310 and a second transmission assembly 350. The second transmission assembly 350 can be a multi-stage gear transmission structure or a worm gear transmission structure, etc. The second driving device 310 is fixedly connected to the frame 100 by bolts. A plough blade guard 330 is arranged above the plough blade assembly 300. The plough blade guard 330 is fixedly connected to the frame 100 by bolts and covers the plough blade assembly 300 to protect the plough blade assembly 300. The output end of the second driving device 310 extends into the plough blade guard 330 through the wall of the plough blade guard 330. The second transmission assembly 350 is located in the plough blade guard 330 and is fixedly connected to the wall of the plough blade guard 330 by bolts. The input end of the second transmission assembly 350 is connected to the output end of the second driving device 310, and the output end of the second transmission assembly 350 is fixedly connected to the second transmission shaft 351. The second transmission assembly 350 can be a gear reducer mechanism, a belt wheel transmission mechanism or a sprocket wheel transmission mechanism, etc.

[0275] In this embodiment, the second transmission assembly 350 is a gear reducer mechanism. In the plough blade guard 330, the gear reducer extends from one side of the second driving device 310 to the rear end of the frame 100 obliquely downward. A first support frame 331 is further arranged in the plough blade guard 330. The first support frame 331 is located below the second transmission assembly 350. One end of the first support frame 331 is fixedly connected to the wall of the plough blade guard 330, and the other end of the first support frame 331 extends toward the gear reducer and is fixedly connected to the box body of the gear reducer to form support below the gear reducer. The second transmission shaft 351 and the plough blade 320 are arranged in the plough blade guard 330. The second transmission shaft 351 extends along the width direction of the rotary cultivator 1000. The plough blade 320 is arranged in multiple numbers along the length direction of the second transmission shaft 351, and the plough blades 320 are fixedly connected to the second transmission shaft 351. The second driving device 310 rotates to drive the second transmission assembly 350 to rotate. The second transmission assembly 350 drives the second transmission shaft 351 to rotate, and the second transmission shaft 351 drives the plough blade 320 to rotate, thereby performing rotary tillage operation on the working ground.

[0276] The third shell 230 is fixedly connected to the rack 100 by bolts. The third shell 230, the rack 100 and the plough guard 330 form a third accommodating cavity 233 therebetween, and the second driving device 310 is arranged in the third accommodating cavity 233.

[0277] The power source 400 is mounted on the rack 100 to provide power for the operation of the plough assembly 300 and / or the walking of the rack 100. In the embodiment, the power source 400 includes a plurality of first batteries 410 which can be connected in series, in parallel or in mixed connection. The plurality of first batteries 410 can simultaneously supply power to the first driving device 112 and the second driving device 310, or only supply power to one of the first driving device 112 and the second driving device 310, which is not specifically limited. In order to reduce the impact loss of the first battery 410 during work, a first shell 210 is arranged above the rack 100 in the embodiment. The first shell 210 is fixedly mounted on the rack 100 by bolts, and the first battery 410 is arranged in the first shell 210. The bottom end of the first shell 210 can be provided with a wiring hole, and the first driving device 112 is electrically connected to the first battery 410 through the wiring hole.

[0278] In order to facilitate the operator to hold the rotary plough 1000 during operation, in the embodiment, referring to FIGS. 46-48, a handrail assembly 700 is arranged on the rotary plough 1000. The handrail assembly 700 includes a mounting seat 710 and a handle 720. The mounting seat 710 is connected to the rack 100, one end of the handle 720 is fixedly connected to the mounting seat 710, and the other end of the handle 720 extends towards the rear end of the rack 100. The handrail assembly 700 can be adjustably connected to the rack 100 at an angle, or can be fixedly connected to the rack 100 at an angle. In the embodiment, the mounting seat 710 is rotatably connected to the rack 100, and the handrail assembly 700 further includes a positioning rod 740 fixedly connected to the rack 100 or other parts fixedly connected to the rack 100. The mounting seat 710 is a disc structure, and a plurality of clamping grooves 711 are arranged on the outer periphery of the mounting seat 710. The plurality of clamping grooves 711 can be clamped with the positioning rod 740 during rotation of the mounting seat 710, thereby fixing the handle 720 at different installation angles.

[0279] The counterweight 900 is arranged on the frame 100 to adjust the center of gravity of the rotary tiller 1000. The counterweight 900 is adjustably arranged on the frame 100 by the adjusting structure 600. The counterweight 900 can be arranged at the front end, the middle or the rear end of the frame 100, and the specific position is determined according to the center of gravity of the rotary tiller 1000. In the embodiment, referring to FIG. 47, along the working direction of the rotary tiller 1000, the tiller assembly 300 is located at the rear end of the walking wheel 111, and the power source 400 is arranged at the front end of the walking wheel 111. The counterweight 900 is arranged at the front end of the frame 100 by the adjusting structure 600, and is located at the front side of the power source 400. The adjustment of the counterweight 900 to the center of gravity of the rotary tiller 1000 can be the adjustment of the front-rear direction of the center of gravity, or the adjustment of the left-right direction of the center of gravity, and the specific adjustment is not limited. In the embodiment, the adjustment of the counterweight 900 to the center of gravity of the rotary tiller 1000 is the adjustment of the front-rear direction of the center of gravity. The specific structure of the adjusting structure 600 can be various, such as telescopic rod structure, sliding rod and sliding groove clamping structure, etc., as long as the front-rear movement of the counterweight 900 relative to the frame 100 can be realized.

[0280] The rotary tiller 1000 provided by the application can adjust the center of gravity of the whole machine by arranging the counterweight 900 on the frame 100 and adjustably arranging the counterweight 900 on the frame 100 by the adjusting structure 600. When working on the flat ground, the counterweight 900 can be moved to the side close to the walking wheel 111, so that the downward pressure required by the tiller 320 working on the flat ground can be ensured, the downward pressure of the operator is reduced, and the operator is more labor-saving when lifting the tiller assembly 300 to turn. When working on the slope, the counterweight 900 can be moved to the side away from the walking wheel 111, so that the downward pressure required by the tiller 320 working on the slope can be ensured, the downward pressure of the operator is reduced, and the operator is more labor-saving when lifting the tiller assembly 300 to turn. When pushing and transporting, the counterweight 900 can be further moved to the side away from the walking wheel 111, so that the operator can easily keep the tiller assembly 300 in the lifted state for pushing and transporting.

[0281] In an embodiment of the rotary cultivator 1000, the frame 100 comprises a main frame body 101 and a counterweight mounting frame 102, and the counterweight mounting frame 102 is fixedly mounted on the main frame body 101. The fixed mounting manner includes, but is not limited to, bolted connection. The counterweight 900 is adjustably mounted on the counterweight mounting frame 102 through the adjusting structure 600. Specifically, a plurality of mounting positions can be provided on the counterweight mounting frame 102 along the working direction of the rotary cultivator 1000. When the rotary cultivator 1000 is in different working states, the counterweight 900 is moved to different mounting positions through the adjusting structure 600, thereby playing a role in adjusting the center of gravity of the whole machine. In this way, when adjusting the position of the counterweight 900 relative to the frame 100, only the position of the counterweight 900 on the counterweight mounting frame 102 needs to be moved, and the connection position between the counterweight mounting frame 102 and the frame 100 does not need to be changed, which is more convenient and labor-saving.

[0282] Please refer to FIGS. 55-57. In an embodiment of the rotary cultivator 1000, the counterweight 900 is fixedly mounted on the counterweight mounting frame 102, and the counterweight mounting frame 102 is adjustably mounted on the main frame body 101 through the adjusting structure 600. The counterweight mounting frame 102 comprises a first third support portion 1021 and a stop portion 1022. One end of the first third support portion 1021 is connected to the main frame body 101 through the adjusting structure 600, and the other end of the first third support portion 1021 is connected to one end of the stop portion 1022, and the other end of the stop portion 1022 extends towards the side away from the ground. The bottom wall of the counterweight 900 is bolted to the first third support portion 1021, and one side wall of the counterweight 900 abuts against the stop portion 1022 and is bolted thereto. In this way, during the movement of the counterweight 900 relative to the frame 100, only the position between the counterweight mounting frame 102 and the main frame body 101 needs to be moved, and the position of the counterweight 900 on the counterweight mounting frame 102 does not need to be changed, thereby ensuring a relatively stable and reliable connection between the counterweight 900 and the counterweight mounting frame 102, reducing the probability of loosening of the counterweight 900 during operation of the cultivator assembly 300, and further ensuring the stability of the rotary cultivator 1000 during operation.

[0283] Please refer to FIG. 56 and FIG. 57, in an embodiment of the rotary cultivator 1000 of the present application, the adjusting structure 600 comprises a third mounting portion 610 and a fourth mounting portion 620, the third mounting portion 610 is arranged on the main frame 101, and the fourth mounting portion 620 is arranged on the weight mounting frame 102. The third mounting portion 610 and the fourth mounting portion 620 are connected in a clamping manner, and the third mounting portion 610 has a plurality of mounting fixed positions relative to the fourth mounting portion 620. The third mounting portion 610 can be integrally connected with the main frame 101, or be a separate part fixedly connected to the main frame 101 by means of bolts or welding; the fourth mounting portion 620 can be integrally connected with the weight mounting frame 102, or be a separate part fixedly connected to the weight mounting frame 102 by means of bolts or welding. Preferably, in the embodiment, the third mounting portion 610 is a separate part, and the third mounting portion 610 is fixedly connected to the main frame 101 by means of bolts; the fourth mounting portion 620 is integrally connected with the weight mounting frame 102. The third mounting portion 610 and the fourth mounting portion 620 can be connected in various clamping manners, such as a sliding rod and sliding groove clamping connection, a recess and protrusion clamping connection, etc., as long as the fourth mounting portion 620 can be fixed at the plurality of mounting fixed positions of the third mounting portion 610. By arranging the third mounting portion 610 and the fourth mounting portion 620 in a clamping connection, the movement of the weight mounting frame 102 relative to the main frame 101 can be facilitated, and the adjusting efficiency of the weight 900 relative to the frame 100 is improved.

[0284] It should be noted that in other embodiments, the third mounting portion 610 can be arranged on the weight mounting frame 102, and the fourth mounting portion 620 can be arranged on the main frame 101. The beneficial effects of the above embodiments can also be achieved.

[0285] In order to ensure the stability of the installation between the weight mounting frame 102 and the main frame 101, in the embodiment of the present application, please refer to FIG. 62 and FIG. 63, along the width direction of the rotary cultivator 1000, the two sides of the main frame 101 are respectively provided with the third mounting portion 610, and the two sides of the weight mounting frame 102 are respectively provided with the fourth mounting portion 620, and the third mounting portion 610 on the same side and the fourth mounting portion 620 on the same side are connected in a clamping manner.

[0286] Please refer to FIG. 55, FIG. 56 and FIG. 63, in an embodiment of the rotary cultivator 1000 of the application, the fourth mounting portion 620 comprises a cylindrical surface 611, the third mounting portion 610 comprises a cylindrical hole 621, and the cylindrical surface 611 is clamped in the cylindrical hole 621. The cylindrical surface 611 and the cylindrical hole 621 are arranged approximately coaxially, the outer diameter of the cylindrical surface 611 matches the inner diameter of the cylindrical hole 621, the cylindrical surface 611 can slide in the cylindrical hole 621 under the action of an external force, and the sliding direction is consistent with the walking direction of the rotary cultivator 1000. When the cylindrical surface 611 is pushed and pulled along the walking direction of the rotary cultivator 1000, the cylindrical surface 611 will produce axial sliding in the cylindrical hole 621, so that the third mounting portion 610 is displaced relative to the fourth mounting portion 620, and the position adjustment of the counterweight 900 relative to the frame 100 is realized. In this way, through the cooperation between the cylindrical hole 621 and the cylindrical surface 611, a good guiding effect can be achieved during movement, which can not only reduce the lateral deviation error during movement of the counterweight 900, but also facilitate the displacement adjustment between the third mounting portion 610 and the fourth mounting portion 620.

[0287] Please refer to FIG. 56 and FIG. 57, in an embodiment of the rotary cultivator 1000 of the application, the adjustment structure 600 further comprises a locking assembly 630, which is arranged on the third mounting portion 610 and the fourth mounting portion 620 to fix the fourth mounting portion 620 to the corresponding mounting fixed position. The locking assembly 630 can have various structural forms, for example, the locking assembly 630 can be a locking rod and a plurality of locking holes arranged on the third mounting portion 610 and the fourth mounting portion 620, and the locking rod can be inserted into the locking holes at different positions respectively; the locking assembly 630 can also be a existing clamp, which is sleeved outside the cylindrical surface 611 of the third mounting portion 610 to tighten the cylindrical hole 621, so that the cylindrical hole 621 and the cylindrical surface 611 are tightly locked. As long as the fourth mounting portion 620 can be fixedly installed on the third mounting portion 610 at the corresponding mounting fixed position, the specific structure of the locking assembly 630 is not limited. By arranging the locking assembly 630, the stability of the third mounting portion 610 at different mounting fixed positions can be improved, the probability of displacement of the counterweight 900 during operation of the rotary cultivator 1000 can be reduced, and the stability of rotary cultivation of the rotary cultivator 1000 can be improved.

[0288] Please refer to FIG. 56 and FIG. 57, in an embodiment of the rotary cultivator 1000 of the present application, the locking assembly 630 comprises a stopper 631 and a plurality of adjusting holes. The plurality of adjusting holes comprises a plurality of first adjusting holes 632 arranged on the third mounting portion 610 and a plurality of second adjusting holes 633 arranged on the fourth mounting portion 620; along the traveling direction of the rotary cultivator 1000, the plurality of first adjusting holes 632 and the plurality of second adjusting holes 633 are respectively arranged on the third mounting portion 610 and the fourth mounting portion 620 along a straight line. By moving the fourth mounting portion 620 forward and backward relative to the third mounting portion 610, the first adjusting holes 632 at different positions can be corresponded to the second adjusting holes 633 at different positions, and the stopper 631 is respectively inserted into the corresponding first adjusting hole 632 and the second adjusting hole 633, so as to realize the fixed connection of the third mounting portion 610 and the fourth mounting portion 620 at the forward and backward adjusting positions. Thus, the position adjustment of the counterweight 900 relative to the frame 100 in the forward and backward direction is realized. In the embodiment, the stopper 631 can be a threaded fastener or a pin shaft structure, and correspondingly, the adjusting hole can be a threaded hole or a pin hole, as long as the fixed connection between the third mounting portion 610 and the fourth mounting portion 620 at different adjusting positions can be realized.

[0289] Please refer to FIG. 57, in an embodiment of the rotary cultivator 1000 of the present application, the stopper 631 is a threaded fastener, for example, it can be a screw, a bolt, etc.; the first adjusting hole 632 is a light hole, and the second adjusting hole 633 is a threaded hole, and the threaded fastener is screwed in the threaded hole after penetrating the light hole. In other embodiments, the first adjusting hole 632 and the second adjusting hole 633 can also be light holes, and the threaded fastener is screwed by a nut at the end of the threaded fastener after penetrating the first adjusting hole 632 and the second adjusting hole 633, so as to realize the fixed connection of the threaded fastener in the first adjusting hole 632 and the second adjusting hole 633.

[0290] In the embodiment, referring to FIG. 56 and FIG. 57, along the walking direction of the rotary cultivator 1000, three first adjusting holes 632 are arranged, and the spacing between adjacent first adjusting holes 632 is 50 mm. The second adjusting hole 633 can be arranged one or multiple, as long as at least one second adjusting hole 633 corresponds to one first adjusting hole 632 at different adjusting positions. From the direction of the front end of the walking wheel 111 to the rotary cultivator 1000 (as shown by the X-axis direction in FIG. 57), the positions of the three first adjusting holes 632 arranged in sequence are the first adjusting position, the second adjusting position and the third adjusting position. When the rotary cultivator 1000 cultivates flat land, any one of the second adjusting holes 633 on the fourth mounting portion 620 corresponds to the first adjusting hole 632 at the first adjusting position, and the threaded fastener is screwed in the second adjusting hole 633, so that the counterweight 900 is installed at the first adjusting position relative to the frame 100. At this time, on the side of the armrest assembly 700, the operator can lift the cultivator blade assembly 300 upward by applying a force of 60 to 70 N, which is convenient for turning the whole machine during flat land cultivation, and at the same time, the whole machine also has good working grip at this position. When the rotary cultivator 1000 cultivates slope land, the same second adjusting hole 633 on the fourth mounting portion 620 corresponds to the first adjusting hole 632 at the second adjusting position, and the threaded fastener is screwed in the second adjusting hole 633, so that the counterweight 900 is installed at the second adjusting position relative to the frame 100. At this time, on the side of the armrest assembly 700, the operator can lift the cultivator blade assembly 300 upward by applying a force of 50 to 60 N, which is convenient for turning the whole machine during slope land cultivation, and at the same time, the whole machine also has good working grip at this position. When the rotary cultivator 1000 is pushed for transportation, the same second adjusting hole 633 on the fourth mounting portion 620 corresponds to the first adjusting hole 632 at the third adjusting position, and the threaded fastener is screwed in the second adjusting hole 633, so that the counterweight 900 is installed at the third adjusting position relative to the frame 100. At this time, on the side of the armrest assembly 700, the operator can lift the cultivator blade assembly 300 upward by applying a force of 50 to 45 N, which is convenient for long-distance pushing transportation of the rotary cultivator 1000.

[0291] In the embodiment of the application, the counterweight 900 can be a counterweight block, or a counterweight box, or any structure capable of serving as the counterweight 900. Preferably, referring to FIGS. 60, 34, 64 and 65, in an embodiment of the rotary cultivator 1000 of the application, the counterweight 900 includes a box body 500 and a counterweight assembly 910. The box body 500 is fixedly connected to the counterweight mounting frame 102 by bolts. The specific structure of the box body 500 is not limited. The box body 500 can be a closed structure, or a semi-closed structure, etc. The counterweight assembly 910 is installed in the box body 500. The counterweight assembly 910 can be sand, soil, maintenance tools, seeds, fertilizers, or any other items capable of serving as the counterweight 900. By providing the box body 500, the types of items in the counterweight 900 can be expanded, so that the selection of items in the counterweight 900 can be more flexible and convenient.

[0292] Referring to FIGS. 34 and 65, in an embodiment of the rotary cultivator 1000 of the application, the box body 500 includes a seventh accommodating cavity 501 and a sixth accommodating cavity 502. At least one of the seventh accommodating cavity 501 and the sixth accommodating cavity 502 is configured to be capable of accommodating the second battery 420 and / or the counterweight assembly 910. The seventh accommodating cavity 501 and the sixth accommodating cavity 502 can have the same shape, or different shapes, and the specific shape is not limited. In this embodiment, the second battery 420 is arranged in the seventh accommodating cavity 501. The second battery 420 can be electrically connected to the first battery 410, so as to provide electric energy in time when the rotary cultivator 1000 is short of power, thereby improving the endurance of the rotary cultivator 1000. In other embodiments, the second battery 420 can serve as a temporary power supply. After being taken out of the seventh accommodating cavity 501, the second battery 420 can timely supplement electric energy to other electric tools. The counterweight assembly 910 is placed in the sixth accommodating cavity 502. The counterweight assembly 910 can be soil, sand, maintenance tools, or other spare parts for normal ploughing, seeds, etc. As long as the whole machine can achieve a front-rear balance with the walking wheels 111 as the center, the counterweight assembly 910 can be used. In other embodiments, the second battery 420 can be placed in the sixth accommodating cavity 502, and the counterweight assembly 910 can be placed in the seventh accommodating cavity 501.

[0293] In the embodiment, the box 500 comprises a lower box 510 and a cover 520, and the cover 520 is buckled on the opening of the lower box 510. Specifically, the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can share one cover 520, or the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can be respectively provided with one cover 520. In the embodiment, referring to FIGS. 64 and 65, the seventh accommodating cavity 501 is provided with a first cover 521, and the sixth accommodating cavity 502 is provided with a second cover 522. The first cover 521 and the second cover 522 can be detachably buckled on the lower box 510, or can be hingedly connected on the lower box 510, and only the opening and closing of the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can be facilitated. In the embodiment, the first cover 521 is hingedly connected on the seventh accommodating cavity 501, and the second cover 522 is clamped and connected on the sixth accommodating cavity 502. By providing the cover 520, the appearance of the box 500 can be improved, and the articles placed in the seventh accommodating cavity 501 and the sixth accommodating cavity 502 can be protected.

[0294] The application also provides a garden tool, which can be a soil loosening machine, a rotary tiller 1000, a snow sweeper or the like, comprising a frame 100, a traveling mechanism 110, a working assembly, a power source 400 and a counterweight 900. The traveling mechanism 110 is mounted on the frame 100 and used to drive the frame 100 to travel; the traveling mechanism 110 comprises a driving part and a traveling wheel 111, the power source 400 provides energy for the driving part, and the power source 400 can be a battery or an engine such as a diesel engine, a gasoline engine or an oil-electricity hybrid engine; the driving part provides power for the rotation of the traveling wheel 111, and the driving part can be an electric motor, an electric motor plus a speed reducer, an electric motor plus a gear and rack transmission mechanism or an electric motor plus a screw and nut transmission mechanism or any other transmission mechanism that can meet the requirements; the traveling mechanism 110 controls the frame 100 to perform corresponding traveling actions. The working assembly is mounted on the frame 100 to perform corresponding garden work. The counterweight 900 is arranged on the frame 100 to adjust the position of the center of gravity of the garden tool; wherein the counterweight 900 is adjustably mounted on the frame 100 through an adjusting structure 600. The counterweight 900 can be arranged at the front end, the middle or the rear end of the frame 100, and the specific position needs to be arranged according to the position of the center of gravity of the whole garden tool. In this way, the position of the center of gravity of the whole garden tool can be adjusted, and when the garden tool operates under different operating conditions, the operator can easily control the balance of the whole machine on both sides of the traveling wheel 111 by adjusting the position of the counterweight 900 on the frame 100, thereby ensuring the normal operation of the garden tool.

[0295] The rotary cultivator 1000 provided in the application can realize adjustment of the gravity center position of the rotary cultivator 1000 by arranging the counterweight 900 on the frame 100 and adjustably mounting the counterweight 900 on the frame 100 through the adjusting structure 600, so that the gravity center position of the rotary cultivator 1000 can be matched with the three different working states of the rotary cultivator 1000, i.e., flat land cultivation, slope land cultivation and pushing transportation, thereby meeting the performance requirements of the operator that the rotary cultivator 1000 can be operated labor-savingly and conveniently in the three different working states.

[0296] Considering that the rotary cultivator is usually composed of a plurality of rotating cultivators, the soil is broken, turned and mixed by being contacted with the ground and rotated to improve the soil texture and prepare for planting. And due to the limitation of working environment and structure, the rotary cultivators on the market usually adopt the rotary cultivators without self-walking, which leads to difficult transportation and pushing and is not suitable for long-time work. Meanwhile, the rotating direction and rotating speed of the cultivator are usually single and cannot be adjusted according to the working conditions, so the working efficiency is low. Therefore, the application also provides a rotary cultivator to improve the technical problem of low working efficiency of the rotary cultivator.

[0297] Please refer to FIGS. 66-72, the application provides a rotary cultivator and garden tool, which comprises a walking mechanism 110 and a cultivator assembly 300. The walking mechanism 110 is used to drive the frame 100 to walk, realizing the self-walking function of the rotary cultivator. The rotary cultivator also comprises a control mechanism 730, which is used to control the walking mechanism 110 and the cultivator assembly 300, realizing the adjustable and controllable performance of the walking mechanism 110 and the cultivator assembly 300, and improving the working efficiency of the rotary cultivator.

[0298] Please refer to FIG. 66, the rotary cultivator comprises a frame 100, a walking mechanism 110, a cultivator assembly 300, a power source 400 and a handrail assembly 700.

[0299] Please refer to FIG. 67, the structure of the frame 100 is not limited, and the structure of the existing rotary cultivator frame 100 can be referred to. The walking mechanism 110 is mounted on the frame 100 to drive the frame 100 to walk. The walking mechanism 110 comprises a first driving device 112, a first transmission assembly 115 and a walking wheel 111. The first driving device 112 is in transmission connection with the first transmission assembly 115. The first transmission assembly 115 can be any mechanism capable of realizing power transmission and speed reduction function, which is not limited here. The first driving device 112 drives the walking wheel 111 to rotate through the first transmission assembly 115, realizing the self-walking function of the rotary cultivator. The first driving device 112 can be a motor, an engine or other power-providing device. In the embodiment, the first driving device 112 is a motor.

[0300] Please refer to FIG. 67, the tiller assembly 300 is installed on the rear side of the frame 100 to perform the rotary tillage operation, the tiller assembly 300 includes a second driving device, a transmission mechanism and a tiller 320, in order to distinguish from the second driving device of the walking mechanism 110, the second driving device of the tiller assembly 300 is named as the second driving device 310, and the transmission mechanism is named as the second transmission assembly 350; the second driving device 310 drives the tiller 320 to rotate through the second transmission assembly 350 to achieve the purpose of breaking, turning and mixing the soil, the second driving device 310 can be a motor, an engine or other power-providing devices, and the second driving device 310 in the embodiment is a motor plus a speed reducer.

[0301] Please refer to FIG. 66, the power source 400 is installed on the frame 100 to provide power for the operation of the tiller assembly 300 and / or the walking of the frame 100; when the first driving device 112 and the second driving device 310 are both motors, the power source 400 is a battery pack to provide electric energy for the walking of the rotary tiller and the rotary tillage operation of the tiller assembly 300.

[0302] Please refer to FIG. 66 and FIG. 70, the handrail assembly 700 is installed on the frame 100 to control the running direction of the rotary tiller, that is, to achieve the turning and straight running of the rotary tiller, the handrail assembly 700 includes a handle 720 and a control mechanism 730, the shape of the handle 720 is not limited, for example, it can be a pair of handles or any other shape convenient to hold, in the embodiment, the handle 720 includes a first rod 721, a second rod 722, a third rod 723, a fourth rod 724 and a fifth rod 725, one end of the first rod 721 and the second rod 722 is connected with the frame 100, the first rod 721 and the second rod 722 are arranged at a distance apart and in parallel, the first rod 721 and the second rod 722 both extend upward and backward from the end close to the frame 100, the third rod 723 and the fourth rod 724 are connected with the end of the first rod 721 and the second rod 722 away from the frame 100 respectively, the third rod 723 and the fourth rod 724 are arranged in parallel, the third rod 723 and the fourth rod 724 extend upward and backward from the end close to the first rod 721 and the second rod 722, the fifth rod 725 is arranged horizontally and connected with the end of the third rod 723 and the fourth rod 724 away from the first rod 721 and the second rod 722, preferably, the first rod 721 and the second rod 722 are rotationally connected with the frame 100 and are provided with a locking mechanism to achieve that the handle 720 can be rotated to a certain position and locked after reaching the certain position to achieve the effect of adjusting the height of the handle 720.

[0303] The control mechanism 730 can be any mechanism that can control the rotating speed and direction of the motor, such as a mechanical gearshift mechanism or an electrical control system, etc. The control mechanism 730 is used to control the walking mechanism 110 and the plow assembly 300, so as to realize the adjustment and control of the rotating speed and direction of the walking mechanism 110 and the plow assembly 300.

[0304] Please refer to FIG. 67 and FIG. 69, in order to improve the reliability of the installation of the plow assembly 300, in an embodiment of the rotary cultivator, the frame 100 comprises a fifth mounting portion 3310 arranged on the rear side, which is used to mount the plow assembly 300. Specifically, the shape of the fifth mounting portion 3310 is not limited, and it is appropriate to reliably mount the plow assembly 300. In this embodiment, the fifth mounting portion 3310 is an arc-shaped wall body that can cover the plow 320 and is adapted to the plow 320. The second transmission assembly 350 is mounted on the lower side of the fifth mounting portion 3310, and the second driving device 310 is in transmission connection with the second transmission assembly 350 and is located on the upper side of the fifth mounting portion 3310. The structure of the fifth mounting portion 3310 covers the second transmission assembly 350 and the plow 320 on the inner side on one hand to form protection, and on the other hand, the structure is better adapted to the plow assembly 300, and also leaves enough space for the installation of other auxiliary components, for example, in this embodiment, the side of the fifth mounting portion 3310 away from the plow 320 is provided with a plow guard 330, please refer to FIG. 1, to achieve the protection of the plow 320 and improve the safety factor during operation.

[0305] Please refer to FIG. 67 to FIG. 69, in an embodiment of the rotary cultivator, the second transmission assembly 350 comprises a transmission box 353, a gear set 352 and a second transmission shaft 351. The transmission box 353 is fixedly connected with the fifth mounting portion 3310. The gear set 352 is installed in the transmission box 353. The gear set 352 is used to reduce the rotating speed and reverse the direction output by the second driving device 310. The gear set 352 is a combination of a set of bevel gears and a set of cylindrical gears. The second transmission shaft 351 is in transmission connection with the gear set 352 and is driven to rotate by the gear set 352. The plow 320 is installed on the second transmission shaft 351 and rotates with it, so as to achieve the purpose of breaking, turning and mixing the soil. This transmission mechanism has low cost, high efficiency, and is convenient for controlling the adjustment of the speed of the plow 320 and the change of the rotating direction.

[0306] Please refer to FIG. 69, FIG. 71 to FIG. 72, in an embodiment of the rotary cultivator of the application, at least one bracket is arranged between the fifth mounting portion 3310 and the transmission case 353 to reinforce the connection between the transmission case 353 and the fifth mounting portion 3310, further improve the stability of the installation of the cultivator assembly 300, in the embodiment, two brackets are arranged between the fifth mounting portion 3310 and the transmission case 353, which are the first bracket 3320 and the second bracket 3330, the shape of the first bracket 3320 and the second bracket 3330 is not limited, in the embodiment, the shape of the first bracket 3320 and the second bracket 3330 is similar to X-shaped structure, so that the connection between the first bracket 3320 and the second bracket 3330 and the transmission case 353 and the fifth mounting portion 3310 forms a triangular support, which uses the performance of high stability of triangular support to achieve better stability effect. The position of the first bracket 3320 and the second bracket 3330 is not limited, preferably, it is arranged on both sides of the transmission case 353 respectively, so that both sides of the transmission case 353 are supported, which improves the stability of the cultivator assembly 300 and reduces the security risks caused by the loosening of the cultivator assembly 300 due to the movement attribute of the cultivator assembly 300. At the same time, the higher the stability of the cultivator 320 is, the higher the processing precision is, the smaller the noise of the cultivator assembly 300 is during operation, and the longer the service life is.

[0307] Please refer to FIG. 66 to FIG. 67 and FIG. 69 to FIG. 70, in an embodiment of the rotary cultivator of the application, the control mechanism 730 includes a first operation member 731, a second operation member 732 and a controller 733, the first operation member 731 is used to control the cultivator assembly 300 or the walking mechanism 110, the second operation member 732 is used to control the other, which is not limited, in the embodiment, the first operation member 731 is used to control the walking mechanism 110, and the second operation member 732 is used to control the cultivator assembly 300, the first operation member 731 and the second operation member 732 can be set as one or a combination of more than one of switch, button, knob or touch control, the first operation member 731 and the second operation member 732 are installed on the handle 720, the position of the first operation member 731 and the second operation member 732 is not limited, or it can be set in an adjustable form, in the embodiment, the first operation member 731 and the second operation member 732 are arranged on the third rod 723 and the fourth rod 724 respectively, and the fifth rod 725 is used as a handrail, which facilitates the operation of the first operation member 731 and the second operation member 732 when the fifth rod 725 is held to work.

[0308] Please refer to the first operation member 731 and the second operation member 732 are signal connected with the controller 733 in FIG. 69-70, can realize to send signal to the controller 733, the controller 733 is under the operation of the first operation member 731 and the second operation member 732 carries out the on-off or adjustment of corresponding circuit, the controller 733 is electrically connected with the walking mechanism 110 and the plow assembly 300, and then controls the walking mechanism 110 and the plow assembly 300 to make corresponding action, the circuit control system inside the controller 733 can be set differently according to demand, can refer to the common means in prior control technical field, which is not described here.

[0309] Please refer to FIG. 70, in order to realize the speed adjustment and the change of the motion direction of the walking mechanism 110 and the plow assembly 300 in the technical solution, in the rotary cultivator embodiment of the present application, one or two of the first switch 7311 or the first speed regulating and reversing knob 7312 are arranged on the first operation member 731, and one or two of the second switch 7321 or the second speed regulating and reversing knob 7322 are arranged on the second operation member 732, in the embodiment, the first switch 7311 and the first speed regulating and reversing knob 7312 are arranged on the first operation member 731, the first switch 7311 is used to control the start and stop of the walking mechanism 110, and the first speed regulating and reversing knob 7312 is used to adjust the speed and change the running direction of the walking mechanism 110; the second switch 7321 and the second speed regulating and reversing knob 7322 are arranged on the second operation member 732, the second switch 7321 is used to control the start and stop of the plow assembly 300, and the second speed regulating and reversing knob 7322 is used to adjust the rotating speed and the rotating direction of the plow 320, further, a first indicator lamp is arranged on the first operation member 731, and a second indicator lamp is arranged on the second operation member 732, the first indicator lamp and the second indicator lamp are used to indicate to the operator, including but not limited to the current running state, the power and the like of the rotary cultivator.

[0310] Please refer to Figure 70, in order to improve the safety performance of the rotary cultivator in operation, in an embodiment of the rotary cultivator of the present application, the control mechanism 730 further comprises a pull rod switch 734, the pull rod switch 734 controls the walking mechanism 110 by cooperating with the first operation member 731, the pull rod switch 734 controls the cultivator assembly 300 by cooperating with the second operation member 732, the shape of the pull rod switch 734 is not limited, in the embodiment, in order to facilitate the operator to hold the handrail while controlling the pull rod switch 734, the pull rod switch 734 is set to approximate U-shaped structure, the opening ends of the pull rod switch 734 are respectively rotatably connected with the first operation member 731 and the second operation member 732, the movement of the pull rod switch 734 can trigger the on and off of the switches in the first operation member 731 and the second operation member 732, thereby realizing the control of the walking mechanism 110 and the cultivator assembly 300, the internal structure of the first operation member 731 and the second operation member 732 can be set according to the existing control switch technical field, which will not be described here.

[0311] Specifically, the pull rod switch 734 is configured to be rotatably connected with the first operation member 731 and the second operation member 732, the initial position of the pull rod switch 734 is the off state, the recess of the pull rod switch 734 is close to the fifth rod 725, which facilitates the operator to pull the pull rod switch 734, when the pull rod switch 734 is pulled close to the fifth rod 725, it is in the on state, so as to realize the start and stop of the pull rod switch 734 controlling the walking mechanism 110 and the cultivator assembly 300, the pull rod switch 734 is configured to be connected with the first switch 7311, only when both of them are connected, the walking mechanism 110 will start, if any one is disconnected, the walking mechanism 110 will stop running, and the pull rod switch 734 is also configured to be connected with the second switch 7321, only when both of them are connected, the cultivator assembly 300 will start, if any one is disconnected, the cultivator assembly 300 will stop running, this setting can reduce the safety hidden trouble caused by the running of the walking mechanism 110 and the cultivator assembly 300 due to misoperation, further, when the pull rod switch 734 is connected with the second switch 7321, the walking mechanism 110 also starts, this setting can realize that the walking mechanism 110 must start when the cultivator 320 starts, avoiding the situation that the rotary cultivator only cultivates but does not walk, reducing the waste of power source.

[0312] Please refer to FIG. 68 and FIG. 70, in an embodiment of the rotary cultivator of the present application, the rotation of the cultivator blade 320 in the first direction is provided with at least one gear position, including one gear position, two gear positions and more gear positions, in the embodiment, the rotation of the cultivator blade 320 in the first direction is configured as four gear positions, the first direction please refer to the X direction shown in FIG. 67; It should be noted that the rotation of the cultivator blade 320 in the first direction specifically refers to the rotation of the linear speed direction of the cultivator blade 320 at the highest position towards the direction of the rotary cultivator retreating, that is, the reverse rotation of the person skilled in the art.

[0313] In an embodiment of the rotary cultivator of the present application, the rotation of the cultivator blade 320 in the second direction is provided with at least one gear position, including one gear position, two gear positions and more gear positions, in the embodiment, the rotation of the cultivator blade 320 in the second direction is provided with one gear position, the second direction please refer to the Y direction shown in FIG. 67; It should be noted that the rotation of the cultivator blade 320 in the second direction specifically refers to the rotation of the linear speed direction of the cultivator blade 320 at the highest position towards the direction of the rotary cultivator advancing, that is, the forward rotation of the person skilled in the art.

[0314] Further, when the cultivator blade 320 is reversed, the cultivator blade 320 has four gear positions, and the speed range is 160 rpm-280 rpm, and the motor speed is 9000-19000 rpm; When the cultivator blade 320 is forward, the speed range of the cultivator blade 320 is 100 rpm-160 rpm, and the corresponding motor speed is 6450-10000 rpm, which can meet the requirements of various cultivation environments and cultivation depths such as initial cultivation ground, hard ground, hard ground, weed ground and fine cultivation ground, for example, the ground of the initial cultivation ground is relatively hard, and the cutting of the cultivator blade 320 requires greater cutting force, at this time, higher speed is required, and the cultivator blade 320 is selected to be reversed, and for example, when the fine cultivation ground is fine, the cultivator blade 320 needs to be forward rotated at high speed.

[0315] It should be noted that in the embodiment, the switching between the four reverse gear positions and the one forward gear position of the cultivator blade 320 is adjusted by the second speed regulating reversing knob 7322.

[0316] Please refer to FIG. 67 and FIG. 70, in an embodiment of the rotary cultivator of the present application, the forward running of the walking mechanism 110 is provided with at least one gear position, including one gear position, two gear positions and more gear positions, in the embodiment, the forward running of the walking mechanism 110 is configured as four gear positions, further, when the walking mechanism 110 runs forward, the speed range of the walking wheel 111 is 16 rpm-62 rpm, and the corresponding motor speed is 3912-13300 rpm.

[0317] Please refer to FIG. 67 and FIG. 70, in an embodiment of the rotary cultivator of the application, the running of the walking mechanism 110 backward is set to at least one gear, including one gear, two gears and more gears, in this embodiment, the walking mechanism 110 is provided with one gear, the speed range of the walking wheel 111 is 16 rpm-45 rpm, and the corresponding motor speed is 3912-11000 rpm; the speed range of the speed can meet the needs of various working environments such as initial ploughing ground, hard ground, hard ground, weed ground and fine ploughing ground, and can also meet various situations such as the rotary cultivator reversing, turning and other rotary cultivators starting the walking mechanism 110 while the plough 320 does not start, for example, when the rotary cultivator reverses, the first speed regulating reversing knob 7312 is rotated to the reverse gear, the speed of the walking wheel 111 is 16 rpm-45 rpm, and the plough 320 stops rotating; for example, when the rotary cultivator walks towards the ploughing ground, only self-walking forward at a high speed of 50 rpm-65 rpm, and the plough 320 does not rotate.

[0318] Please refer to FIG. 67 and FIG. 70, in an embodiment of the rotary cultivator of the application, the working mode of the rotary cultivator includes at least one of the transportation mode, the working mode and the reverse mode, for example, only one of the transportation mode, the working mode and the reverse mode, the combination of any two, and the transportation mode, the working mode and the reverse mode at the same time, in this embodiment, the rotary cultivator includes the transportation mode, the working mode and the reverse mode.

[0319] Specifically, the transportation mode: press the first switch 7311, the first indicator light flashes, pull the start pull rod switch 734 within the preset time, the walking mechanism 110 moves forward, and the plough 320 does not rotate; the working mode: press the second switch 7321, the second indicator light flashes, pull the start pull rod switch 734 within the preset time, the walking mechanism 110 moves forward, and the plough 320 rotates; the reverse mode: the first speed regulating reversing knob 7312 is rotated to the reverse gear, press the first switch 7311, the first indicator light flashes, pull the start pull rod switch 734 within the preset time, the walking mechanism 110 reverses, and the plough 320 does not rotate, in this embodiment, the above-mentioned preset time is set to 5 seconds; in other embodiments, the order of starting the first switch 7311 and the pull rod switch 734 can be exchanged, and both can realize the effect that when the pull rod switch 734 is configured to be connected with the first switch 7311, the walking mechanism 110 can run, and if either one is disconnected, the walking mechanism 110 will stop running, in order to reduce the safety hazards caused by the running of the walking mechanism 110 due to misoperation.

[0320] Further, in an embodiment of the rotary cultivator of the application, the conversion between the working mode and the reverse mode includes the conversion between the transportation mode, the working mode and the reverse mode.

[0321] Specifically, the working mode is converted to the reverse mode: the walking mechanism 110 moves forward, the plow blade 320 rotates, the first speed reversing knob 7312 is turned to the reverse gear position, the plow blade 320 stops rotating within a preset time, the second indicator light flashes, the walking mechanism 110 is stopped from moving forward, and finally the walking mechanism 110 moves backward; the working mode is converted to the transport mode: the walking mechanism 110 moves forward, the plow blade 320 rotates, the second switch 7321 is popped up, and the plow blade 320 stops rotating; the transport mode is converted from forward movement to reverse movement: the walking mechanism 110 moves forward, the plow blade 320 does not rotate, the first speed reversing knob 7312 is turned to the reverse gear position, the walking mechanism 110 is stopped from moving forward, and finally the walking mechanism 110 moves backward, and the plow blade 320 does not rotate.

[0322] Referring to FIG. 66, in order to achieve better grip of the rotary tiller and balance the front and rear weights of the rotary tiller, a box 500 is arranged on the front side of the frame, and the structure of the box 500 is not limited. In the embodiment, the box 500 can be filled with mud, sand or the like to increase the weight. The box 500 can also be used to place spare battery packs, maintenance tools, spare parts or crop seeds.

[0323] In the present application, a garden tool is also provided, which can be a hand-push mower, a hand-push snow sweeper, a hand-push seeder or the rotary tiller in FIGS. 66-72. Taking the rotary tiller in FIGS. 66-72 as an example, the garden tool comprises a frame 100, a walking mechanism 110, a tool assembly, a power source 400 and a handle assembly 700. The walking mechanism 110 is installed on the frame 100 to drive the frame 100 to walk. The tool assembly is installed on the rear side of the frame 100 to perform garden work. The tool assembly comprises a second driving device, a transmission mechanism and a tool. The second driving device drives the tool to rotate through the transmission mechanism. The power source 400 is installed on the frame to provide power for the work of the tool assembly and / or the walking of the frame 100. The handle assembly 700 is installed on the frame 100 to control the running direction of the garden tool. The handle assembly 700 comprises a handle 720 and a control mechanism 730. The control mechanism 730 is used to control the walking mechanism 110 and the tool assembly. The parts of the garden tool not described in detail and the corresponding connection relationship can refer to the existing corresponding tool structure, and specific details are not described herein.

[0324] The application provides a rotary cultivator and a garden tool.

[0325] It should be noted that in addition to the rotary cultivation of land, there are many garden operations, such as plowing, sowing, harvesting, weeding, backfilling, ridging and spraying, and the like. One way of performing these garden operations is to manually operate a tool, which is low in work efficiency and high in labor consumption. Another way is to use an automatic tool, which is high in work efficiency but high in cost. In addition, each garden operation is periodic, and the idle electric tool also causes waste when the operation is completed. Therefore, the application provides a rotary cultivator and a garden tool to improve the technical problem of high cost of automatic garden tools.

[0326] Referring to FIGS. 73 to 80, the application provides a rotary cultivator and a garden tool. The tool assembly 3800 is installed on the rear side of the cultivator assembly 300 of the machine frame 100 to perform a garden operation corresponding to the function thereof, and the automatic operation function of the tool assembly 3800 with the rotary cultivator is realized, which saves labor, improves efficiency, does not increase cost, and improves the technical problem of high cost of automatic garden tools.

[0327] Referring to FIG. 73, the rotary cultivator includes a machine frame 100, a walking mechanism 110, a cultivator assembly 300, a power source 400 and a tool assembly 3800.

[0328] Referring to FIG. 74, the structure of the machine frame 100 is not limited, and the structure of the existing rotary cultivator machine frame 100 can be referred to. The walking mechanism 110 is installed on the machine frame 100 to drive the machine frame 100 to walk. The walking mechanism 110 includes a first driving device 112, a first transmission assembly 115 and a walking wheel 111. The first driving device 112 is in transmission connection with the first transmission assembly 115. The first transmission assembly 115 can be any mechanism capable of achieving power transmission and speed reduction function, which is not limited here. The first driving device 112 drives the walking wheel 111 to rotate through the first transmission assembly 115 to realize the self-walking function of the rotary cultivator. The first driving device 112 can be a motor, an engine or other power-providing device. In the embodiment, the first driving device 112 is a motor.

[0329] Please refer to FIG. 74, the tiller assembly 300 is installed on the rear side of the frame 100 to perform the rotary tillage operation, the tiller assembly 300 includes a second driving device, a transmission mechanism and a tiller 320, in order to distinguish from the second driving device of the traveling mechanism 110, the second driving device of the tiller assembly 300 is named as the second driving device 310, and the transmission mechanism is named as the second transmission assembly 350; the second driving device 310 drives the tiller 320 to rotate through the second transmission assembly 350 to achieve the purpose of breaking, turning and mixing the soil, the second driving device 310 can be a motor, an engine or other power-providing devices, and the second driving device 310 in the embodiment is a motor plus a speed reducer.

[0330] Please refer to FIGS. 73-74, the power source 400 is installed on the frame 100 to provide power for the operation of the tiller assembly 300 and / or the traveling of the frame 100; when the first driving device 112 and the second driving device 310 are both motors, the power source 400 is a battery pack to provide electric energy for the traveling of the rotary tiller and the rotary tillage operation of the tiller assembly 300.

[0331] Please refer to FIG. 73, the tool assembly 3800 is installed on the frame 100 at the rear side of the tiller assembly 300 to perform the corresponding garden operation, which realizes the function of automatic operation of the tool assembly 3800 together with the rotary tiller, saves labor, improves efficiency, and does not increase cost.

[0332] In an embodiment of the rotary tiller, the tool assembly 3800 includes one of a plow 3810, a ditching assembly, a harvesting assembly, a harrowing assembly, a seeding assembly, a weeding assembly, a backfilling assembly, a wind-sending pesticide spraying assembly, a ditching and fertilizing assembly, a straw returning assembly, a strawberry ridging assembly, a potato harvesting assembly, a wheat seeding assembly or a film covering and pesticide spraying assembly, so that the rotary tiller has the functions of a simple ditching machine, a simple harvesting machine, a harrowing machine, a seeding machine, a weeding machine, a backfilling machine, a wind-sending pesticide spraying machine, a ditching and fertilizing machine, a straw returning machine, a strawberry ridging machine, a potato harvesting machine, a wheat seeding machine or a film covering and pesticide spraying machine. The tool assembly 3800 can perform the corresponding garden operation, which realizes the function of automatic operation of the tool assembly 3800 together with the rotary tiller, saves labor, improves efficiency, and does not increase cost, and improves the technical problem of high cost of garden operation automation tools. Specifically, when performing a certain garden operation, the tool assembly 3800 with the corresponding function is selected and installed on the bracket, and it should be noted that the tiller 320 can be removed when the tool assembly 3800 is installed, only the corresponding garden operation of the tool assembly 3800 is performed, or the tiller 320 can not be removed, and the rotary tillage operation and the garden operation of the tool assembly 3800 are performed simultaneously.

[0333] Please refer to FIG. 74 and FIG. 78, in the embodiment of the rotary cultivator of the present application, the rear side of the frame 100 is provided with a fifth mounting part 3310 and a sixth mounting part 3340, the fifth mounting part 3310 is used for mounting the cultivator assembly 300, specifically, the shape of the fifth mounting part 3310 is not limited, and it is appropriate to reliably mount the cultivator assembly 300, in the embodiment, the fifth mounting part 3310 is an arc-shaped wall that can cover the cultivator 320 and is compatible with the cultivator 320, the second transmission assembly 350 is mounted on the lower side of the fifth mounting part 3310, the second driving device is in transmission connection with the second transmission assembly 350 and is located on the upper side of the fifth mounting part 3310, the structure of the fifth mounting part 3310 covers the second transmission assembly 350 and the cultivator 320 on the inner side on the one hand, forming protection, on the other hand, the structure is better compatible with the cultivator assembly 300, and also leaves enough installation space for other auxiliary components.

[0334] Please refer to FIG. 74 to FIG. 79, the sixth mounting part 3340 is used for mounting the tool assembly 3800, the structure of the sixth mounting part 3340 is not limited, and it is appropriate to realize universal matching installation of various types of tool assemblies 3800, in the embodiment, the sixth mounting part 3340 is fixedly connected with the fifth mounting part 3310, the sixth mounting part 3340 includes a fixed sleeve 3341 and a sixth rod 3342, the fixed sleeve 3341 is in sliding connection with the sixth rod 3342, the side wall of the fixed sleeve 3341 is provided with a locking piece 3343, the sixth rod 3342 is provided with a plurality of through holes 3344, the height of the sixth rod 3342 can be adjusted in the fixed sleeve 3341, and is locked through the locking piece 3343, so as to adapt to various tool assemblies 3800 of different sizes, the plurality of through holes 3344 on the sixth rod 3342 are used for matching installation with the locking piece 3343 on the one hand, and are used for mounting the tool assembly 3800 on the other hand, so as to adapt to the installation of various tool assemblies 3800 of different sizes, the sixth mounting part 3340 of the technical solution has the beneficial effects of good universality, simple structure and convenient installation.

[0335] Please refer to FIGS. 74-78 and 80, in an embodiment of the rotary cultivator of the application, the tool assembly 3800 is a plow 3810, to achieve the plowing operation after the soil is cultivated, for trenching or weeding, etc. In this technical solution, the rotary cultivator performs the plowing operation after the rotary cultivation operation, which reduces the difficulty of plowing and improves work efficiency. The plow 3810 includes a plowshare 3811 and a seventh rod 3812 connected with the plowshare 3811. The shape of the plowshare 3811 is not limited, for example, it can be V-shaped, triangular, trapezoidal, or chisel-shaped, etc. The plowshare 3811 in this embodiment is approximately V-shaped. The position and connection manner of the seventh rod 3812 connected with the plowshare 3811 are not limited, as long as the stable connection of the seventh rod 3812 with the plowshare 3811 can be achieved. Preferably, the seventh rod 3812 is connected at the symmetry axis of the plowshare 3811. The symmetry axis of the plowshare 3811 passes through the most stressed tip. This connection manner makes the stress of the plowshare 3811 balanced, and the operation quality is high. The seventh rod 3812 is detachably connected with the plowshare 3811. When the plowshare 3811 is damaged, it can be replaced with a new one. The seventh rod 3812 can be reused, which can reduce the cost. The seventh rod 3812 is detachably connected with the sixth rod 3342, for replacing other tool assemblies 3800.

[0336] Please refer to FIG. 80, in an embodiment of the rotary cultivator of the application, the plowshare 3811 is provided with a first extension 3813 and a second extension 3814 at both ends, respectively. Specifically, the first extension 3813 and the second extension 3814 are arranged on both sides of the V-shaped plowshare 3811, to widen the plowing width. Both the first extension 3813 and the second extension 3814 are detachable, which can be selected to be installed or not according to the need. Preferably, the first extension 3813 and the second extension 3814 are connected with the plowshare 3811 through screws. The connecting holes on the first extension 3813 and the second extension 3814 are oblong holes, to realize the adjustability of the extension length of the first extension 3813 and the second extension 3814. In order to further ensure the plowing quality and avoid uneven stress on the plowshare 3811, the first extension 3813 and the second extension 3814 are symmetrically arranged about the symmetry axis of the plowshare 3811.

[0337] Please refer to FIG. 78 and FIG. 80, in an embodiment of the rotary cultivator of the application, one end of the seventh rod 3812 is provided with a first connecting part 38121 connected with the sixth rod 3342. The first connecting part 38121 and the sixth rod 3342 can be connected in various forms, for example, bolt connection, pin shaft connection, clamping or mortise and tenon connection, etc., but are not limited thereto. In the embodiment, the first connecting part 38121 is provided in a U-shaped structure, the sixth rod 3342 is embedded in the groove of the first connecting part 38121, and then fixed by bolt connection. The first connecting part 38121 limits the horizontal three-direction freedom and three-rotation freedom of the sixth rod 3342 through the U-shaped structure, improves the reliability of the connection between the seventh rod 3812 and the sixth rod 3342, and realizes the symmetrical installation of the seventh rod 3812 relative to the symmetry axis of the sixth rod 3342, so that the stress of the plow 3810 is uniform, and the plowing quality is improved. The other end of the seventh rod 3812 is provided with a second connecting part 38122 connected with the plow share 3811. The second connecting part 38122 and the plow share 3811 can be connected in various forms, for example, bolt connection, pin shaft connection, clamping or mortise and tenon connection, etc., but are not limited thereto. In the embodiment, the second connecting part 38122 and the plow share 3811 are bolted. The second connecting part 38122 is connected to the upper part of the plow share 3811 along the symmetry axis of the plow share 3811.

[0338] Please refer to FIG. 75 to FIG. 76, in an embodiment of the rotary cultivator of the application, the rotary cultivator further comprises a protective cover 3600 to realize the protection of the cultivator 320 and improve the safety factor during operation. The protective cover 3600 is installed on the side of the fifth mounting part 3310 away from the cultivator assembly 300. The protective cover 3600 comprises an upper cover body 3610, a first side cover body 3620, a second side cover body 3630 and a rear cover body 3640. The upper cover body 3610 is fixedly connected with the fifth mounting part 3310. The first side cover body 3620 and the second side cover body 3630 are arranged at the two ends of the side surface of the upper cover body 3610. The first side cover body 3620 and the second side cover body 3630 can be fixedly connected with the upper cover body 3610 or adjustably connected with the upper cover body 3610. In the embodiment, the first side cover body 3620 and the second side cover body 3630 are adjustably connected with the upper cover body 3610. The adjustable connection mechanism can be in various forms, including a long circular groove or a plurality of mounting holes combined with a locking member, which is not limited herein. The upper cover body 3610, the first side cover body 3620, the second side cover body 3630 and the rear cover body 3640 realize the four-side protection of the cultivator 320. The rear cover body 3640 is hingedly connected to the rear end of the upper cover body 3610. This arrangement facilitates the lifting of the rear cover body 3640 for the installation of the tool assembly 3800 and the cleaning of the cultivator assembly 300 and the tool assembly 3800.

[0339] Please refer to FIG. 77, FIG. 78 and FIG. 80, further, in an embodiment of the rotary cultivator of the application, the upper end of the seventh rod 3812 is provided with a third protrusion 38123, the inner side of the rear cover body 3640 is provided with a connecting piece 3641, the connecting piece 3641 is detachably connected with the third protrusion 38123, the connection between the third protrusion 38123 and the connecting piece 3641 can realize the fixation of the rear cover body 3640, wherein the connection form between the third protrusion 38123 and the connecting piece 3641 is not limited, including bolt connection, pin shaft connection, clamping and the like, the third protrusion 38123 and the connecting piece 3641 can be provided with through holes or clamping grooves in different forms due to different connection modes, in the embodiment, the third protrusion 38123 and the connecting piece 3641 adopt the pin shaft connection mode.

[0340] Please refer to FIG. 79, in an embodiment of the rotary cultivator of the application, in order to facilitate holding when adjusting the sixth rod 3342, a handle 3345 is arranged at the upper end of the sixth rod 3342, the shape and structure of the handle 3345 are not limited, which is convenient for hand holding. Because the rear cover body 3640 is hinged with the upper cover body 3610, the lower end of the sixth rod 3342 is provided with a limiting member 3346 for limiting the rear cover body 3640, so as to avoid the contact between the rear cover body 3640 and the cultivator 320.

[0341] In an embodiment of the rotary cultivator of the application, the rear side of the frame 100 is provided with a sixth mounting portion 3340, the sixth mounting portion 3340 is used for mounting the tool assembly 3800, the structure of the sixth mounting portion 3340 is not limited, which is appropriate to be able to realize the universal matching installation of various types of tool assemblies 3800, for example, it can be composed of the fixing sleeve 3341 and the sixth rod 3342, or it can be other structures. Considering the reliability and convenience of the installation of the sixth mounting portion 3340, in an embodiment, the sixth mounting portion 3340 is fixedly connected with the fifth mounting portion 3310, the fifth mounting portion 3310 is used for mounting the cultivator assembly 300, specifically, the shape of the fifth mounting portion 3310 is not limited, which is appropriate to be able to reliably mount the cultivator assembly 300 and stably mount the sixth mounting portion 3340, the structure and function of the fifth mounting portion 3310 can be referred to the above content, which will not be described herein again, by adopting the arrangement of mounting the sixth mounting portion 3340 on the fifth mounting portion 3310, the effect of reliable installation and convenient disassembly of the tool assembly 3800 can be realized.

[0342] The tool assembly 3800 comprises a connecting mechanism which is detachably connected with the sixth mounting portion 3340. The structure and shape of the connecting mechanism are not limited, including any structure capable of achieving detachable connection with the sixth mounting portion 3340. Further, the sixth mounting portion 3340 and the connecting mechanism can be detachably connected through threaded connection, bolt connection, pin connection, mortise and tenon connection, interference fit or other linkage mechanisms. The connecting mechanism and the sixth mounting portion 3340 should be provided with structures required by the above connection modes correspondingly, which will not be described herein.

[0343] Referring to FIG. 73, in order to achieve better grip of the rotary tiller and balance the weight of the rotary tiller front and rear, a box 500 is arranged on the front side of the frame 100. The structure of the box 500 is not limited, and the box 500 in the embodiment can be provided with mud, sand or the like to increase the weight. The box 500 can also be used to place spare battery packs, maintenance tools, spare parts or crop seeds.

[0344] Referring to FIG. 74, a handrail assembly 700 is installed on the frame 100 to control the running direction of the rotary tiller, i.e., to achieve turning and straight running of the rotary tiller. The handrail assembly 700 comprises a handle 720 and a control mechanism 730. The shape of the handle 720 is not limited, for example, it can be a pair of handles or any other convenient shape. The control mechanism 730 can be any mechanism capable of controlling the rotation speed and direction of the motor, such as a mechanical speed change mechanism or an electrical control system. The control mechanism 730 is used to control the walking mechanism 110 and the tiller assembly 300 to achieve adjustment and control of the rotation speed and direction of the walking mechanism 110 and the tiller assembly 300.

[0345] The application also provides a garden tool, which can be a hand-push mower, a hand-push snow sweeper, a hand-push seeder or the rotary tiller in FIGS. 73-80. Taking the rotary tiller in FIGS. 73-80 as an example, the garden tool comprises a frame 100, a walking mechanism 110, a power source 400 and a tool assembly 3800. The walking mechanism 110 is arranged on the frame 100 to drive the frame 100 to walk. A working assembly is installed on the rear side of the frame 100 to perform garden work. The power source 400 is installed on the frame 100 to provide power for the work of the working assembly and / or the walking of the frame 100. The tool assembly 3800 is installed on the frame 100 behind the working assembly to perform garden work corresponding to its function. The parts not described in detail and the corresponding connection relationship of the garden tool can refer to the existing corresponding tool structure, which will not be described in detail.

[0346] The rotary cultivator comprises a walking mechanism, a cultivator assembly and a power source, realizes the self-walking function and the cultivating function of the rotary cultivator, installs the tool assembly on the frame at the rear side of the cultivator assembly, realizes the function that the tool assembly automatically works with the rotary cultivator, saves manpower, improves the efficiency, only needs to install the tool assembly on the frame, does not need to purchase the whole automatic tool, and improves the technical problem that the cost of the automatic tool for garden work is high.

[0347] In summary, the present application effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance. The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed in the present application should be covered by the claims of the present application.

Claims

1. A rotary cultivator, characterized in that The rotary cultivator comprises: a frame; a housing assembly mounted on the frame and formed with a first accommodating cavity, a second accommodating cavity and a third accommodating cavity; a walking mechanism mounted on the frame to drive the frame to walk, the walking mechanism comprising a first driving device, the first driving device being at least partially mounted in the second accommodating cavity; a cultivator assembly mounted on the frame to perform plowing work, the cultivator assembly comprising a second driving device, the second driving device being at least partially mounted in the third accommodating cavity; a power source mounted in the first accommodating cavity to provide energy support for the walking mechanism and / or the cultivator assembly; wherein a front side wall of the first accommodating cavity is provided with an air inlet, and a rear side wall of the third accommodating cavity is provided with an air outlet, air flow entering the first accommodating cavity from the air inlet and then sequentially passing through the second accommodating cavity and the third accommodating cavity and being discharged from the air outlet.

2. The rotary cultivator of claim 1, characterized in that The rotary cultivator further comprises a fourth accommodating cavity for accommodating a control element, the fourth accommodating cavity being arranged in the second accommodating cavity and / or the third accommodating cavity, the air flow entering the fourth accommodating cavity from the second accommodating cavity and entering the third accommodating cavity from the fourth accommodating cavity.

3. The rotary cultivator of claim 2, characterized in that The second driving device comprises a motor, a fan blade being mounted on a rotating shaft of the motor, an air suction side of the fan blade being connected to the air inlet, and an air discharge side of the fan blade being connected to the air outlet.

4. The rotary cultivator of claim 3, characterized in that The second driving device further comprises a fan blade cover, the fan blade cover having a fifth accommodating cavity therein, the fan blade being mounted in the fifth accommodating cavity, and the fifth accommodating cavity being connected to the fourth accommodating cavity and the air outlet respectively.

5. The rotary cultivator of claim 1, wherein, The rotary cultivator further comprises a box body arranged on the frame at a front side of the housing assembly to accommodate a counterweight assembly and / or storage goods, and the air inlet is arranged on a box wall of the first accommodating cavity facing the box body.

6. The rotary cultivator of claim 1, wherein, The cultivator assembly comprises a cultivator cover, and the air outlet is arranged at a rear side of the third accommodating cavity and obliquely downwardly towards the cultivator cover.

7. The rotary cultivator of claim 1, wherein, The rotary cultivator further comprises a suction device arranged on a flow passage of the air flow, an air suction port of the suction device facing the air inlet, and an air discharge port of the suction device facing the air outlet.

8. The rotary cultivator of claim 1, wherein, The air inlet and / or the air outlet are provided with a grille and / or a filtering device.

9. The rotary cultivator of claim 8, characterized in that The air inlet is provided with a first grille, blades of the first grille extending in a horizontal direction, and the blades being provided with protrusions for blocking rainwater.

10. The rotary cultivator of claim 8, characterized in that The air outlet is provided with a second grille and a filtering device, the second grille being detachably mounted on the air outlet, and the filtering device being arranged on the second grille.

11. The rotary cultivator of claim 1, wherein, A box wall of the first accommodating cavity at an upper side of the air inlet protrudes outwardly of the air inlet.

12. The rotary cultivator of claim 1, characterized in that The rotary cultivator further comprises a counterweight assembly, the walking mechanism comprising two walking wheels arranged coaxially, the second accommodating cavity being arranged at a bottom of the frame and between the two walking wheels, the counterweight assembly being arranged at a front side of the two walking wheels, and the cultivator assembly being arranged at a rear side of the two walking wheels.

13. The rotary cultivator of claim 12, characterized in that The rotary cultivator further comprises a handrail assembly connected to the frame at the front side of the blade assembly, and a holding portion of the handrail assembly extends to a side of the blade assembly away from the walking wheel.

14. The rotary cultivator of claim 1, wherein, The shell assembly comprises a third shell mounted to the frame and forming the third accommodating cavity with the frame; a control element is arranged in the third accommodating cavity, and at least a plurality of interfaces are arranged in the third accommodating cavity; the third shell is provided with an opening for plug connection of the interfaces with external equipment; and a third cover is detachably connected to the opening.

15. The rotary cultivator of claim 14, characterized in that One of the opening and the third cover is provided with a first clamping groove, and the other is provided with a protrusion clamped in the first clamping groove.

16. The rotary cultivator of claim 15, characterized in that The opening is provided with the protrusion, and the third cover is provided with the first clamping groove, and a closed-loop contact surface around the opening is formed between the first clamping groove and the protrusion.

17. The rotary cultivator of claim 16, characterized in that The closed-loop contact surface is annularly provided with a second clamping groove, and a sealing element is arranged in the second clamping groove and tightly abuts between the third cover and the opening.

18. The rotary cultivator of claim 16, characterized in that The protrusion is further provided with a second clamping groove, and the first cover is further provided with an extension portion extending into the second clamping groove, and the extension portion at least partially contacts the inner surface of the second clamping groove.

19. The rotary cultivator of claim 16, characterized in that The opening further comprises a cable passage penetrating through the closed-loop contact surface, and the cable passage comprises an upper half passage arranged in the first cover and a lower half passage arranged in the opening, and the upper half passage and the lower half passage are correspondingly arranged.

20. A garden tool, characterized in that Comprise: a frame; a shell assembly mounted to the frame and forming a first accommodating cavity, a second accommodating cavity and a third accommodating cavity; a walking mechanism mounted to the frame to drive the frame to walk, the walking mechanism comprising a first driving device, the first driving device being at least partially mounted in the second accommodating cavity; a tool assembly mounted to the frame to perform corresponding work, the tool assembly comprising a second driving device, the second driving device being at least partially mounted in the third accommodating cavity; a power source mounted in the first accommodating cavity to provide energy support for the walking mechanism and / or the tool assembly; wherein an air inlet is formed on the first accommodating cavity, and an air outlet is formed on the third accommodating cavity, and air flows from the air inlet into the first accommodating cavity and is sequentially discharged from the air outlet through the second accommodating cavity and the third accommodating cavity.

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