Rotary cultivator and gardening tool

Abstract

The utility model provides a rotary cultivator and a gardening tool. The rotary cultivator comprises a rack, a walking assembly, a tillage blade assembly, a power source assembly and a tool assembly. The walking assembly is arranged on the rack to drive the rack to walk; the tilling blade assembly is mounted on the rear side of the rack and performs tilling operation; the power source assembly is installed on the machine frame and provides power for operation of the tillage blade assembly and / or walking of the machine frame. The tool assembly is mounted on the rack on the rear side of the tilling cutter assembly so as to perform garden operation corresponding to the function of the tool assembly; the technical problem that automatic tools for garden operation are high in cost can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of garden machinery, in particular to a rotary tiller and a garden tool. Background Art

[0002] A rotary tiller is a common mechanism in agricultural machinery used to cultivate land and turn the soil. It usually consists of multiple rotating tillage tools that break up, turn and mix the soil by contacting the ground and rotating to improve the soil texture and prepare for planting.

[0003] In addition to rotary tillage, there are many other gardening operations, such as plowing, sowing, harvesting, weeding, backfilling, ridging and spraying. One way to complete these gardening operations is to use manual tools, which has low work efficiency and high labor consumption. Another way is to use automated tools. Although work efficiency is improved, the cost is huge. In addition, each gardening operation is mostly cyclical, and the idleness of power tools when the operation is completed also causes waste. Utility Model Content

[0004] In view of the above shortcomings of the prior art, the utility model provides a rotary tiller and a garden tool to improve the technical problem of high cost of automated gardening tools.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a rotary tiller, comprising: a frame, a traveling assembly, a tilling blade assembly, a power source assembly and a tool assembly; the traveling assembly is arranged on the frame to drive the frame to travel; the tilling blade assembly is installed on the rear side of the frame to perform tilling operations; the power source assembly is installed on the frame to provide power for the operation of the tilling blade assembly and / or the travel of the frame; the tool assembly is installed on the frame on the rear side of the tilling blade assembly to perform gardening operations corresponding to its functions.

[0006] In one example of the rotary tiller of the utility model, the tool assembly includes one of a plow, a furrowing assembly, a harvesting assembly, a tilling assembly, a sowing assembly, a weeding assembly, a backfilling assembly, a pneumatic spraying assembly, a furrowing and fertilizing assembly, a straw returning assembly, a strawberry ridging assembly, a potato harvesting assembly, a wheat sowing assembly or a mulching and spraying assembly.

[0007] In an example of the rotary tiller of the utility model, a first mounting part and a second mounting part are provided on the rear side of the frame, the second mounting part is fixedly connected to the first mounting part, the second mounting part includes a fixing sleeve and a first rod, the fixing sleeve is slidably connected to the first rod, a locking piece is provided on the side wall of the fixing sleeve, and a plurality of through holes are provided on the first rod.

[0008] In an example of the rotary tiller of the present invention, the tool assembly is a plow, and the plow includes a plowshare and a second rod connected to the plowshare, and the second rod is detachably connected to the first rod.

[0009] In an example of the rotary tiller of the utility model, a detachable first extension part and a second extension part are respectively provided at both ends of the plowshare, and the first extension part and the second extension part are symmetrically arranged about the symmetry axis of the plowshare.

[0010] In an example of the rotary tiller of the present invention, a first connection portion connected to the first rod is provided at one end of the second rod, and a second connection portion connected to the plowshare is provided at the other end of the second rod.

[0011] In an example of the rotary tiller of the utility model, the rotary tiller also includes a protective cover, which is installed on the side of the first mounting part away from the tilling blade assembly, and the protective cover includes 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 to the first mounting part, the first side cover body and the second side cover body are fixedly connected to the two ends of the side of the upper cover body, and the rear cover body is hinged to the rear end of the upper cover body.

[0012] In an example of the rotary tiller of the present invention, a convex portion is provided at the upper end of the second rod, and a connecting piece is provided inside the rear cover body, and the connecting piece is detachably connected to the convex portion.

[0013] In an example of the rotary tiller of the utility model, a second mounting portion is provided on the rear side of the frame, and the tool assembly includes a connecting mechanism, which is detachably connected to the second mounting portion.

[0014] The utility model also provides a gardening tool, which comprises: a frame, a walking assembly, a power source assembly and a tool assembly; the walking assembly is arranged on the frame to drive the frame to walk; the working assembly is installed on the rear side of the frame to perform gardening operations; the power source assembly is installed on the frame to provide power for the operation of the working assembly and / or the walking of the frame; the tool assembly is installed on the frame on the rear side of the working assembly to perform gardening operations corresponding to its functions.

[0015] The rotary tiller of the utility model comprises a walking assembly, a tilling blade assembly and a power source assembly, which realize the self-walking function and the tilling function of the rotary tiller. The tool assembly is installed on the frame on the rear side of the tilling blade assembly, which realizes the function of the tool assembly to operate automatically together with the rotary tiller, saves manpower and improves efficiency. Moreover, it is only necessary to install the tool assembly on the frame without purchasing the entire automated tool, thereby improving the technical problem of high cost of automated tools for gardening operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other embodiments can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the rotary tiller of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a frame, a traveling assembly, a tilling blade assembly, a handrail assembly and a tool assembly of an embodiment of a rotary tiller of the utility model;

[0019] Figure 3 It is a schematic diagram of the installation of the protective cover and tool assembly of an embodiment of the rotary tiller of the utility model;

[0020] Figure 4 It is a schematic diagram of the installation of the protective cover and the tool assembly of one embodiment of the rotary tiller of the utility model from another angle;

[0021] Figure 5 for Figure 4 A partial enlarged view of the middle A;

[0022] Figure 6 This is a schematic diagram of the installation of a frame and a tool assembly of an embodiment of a rotary tiller of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the second mounting portion of an embodiment of the rotary tiller of the utility model;

[0024] Figure 8 It is a structural schematic diagram of a plow in one embodiment of a tool assembly in a rotary tiller of the utility model.

[0025] Component number description

[0026] 100, frame; 110, first mounting portion; 120, second mounting portion; 121, fixing sleeve; 122, first rod; 123, locking member; 124, through hole; 125, handle; 126, limiting member; 200, walking assembly; 210, first power mechanism; 220, first transmission mechanism; 230, walking wheel; 300, tilling blade assembly; 310, second power mechanism; 320, second transmission mechanism; 330, tilling blade; 400, power source assembly; 500, box; 600, protective cover; 610, upper cover; 620, first side cover; 630, second side cover; 640, rear cover; 641, connecting piece; 700, armrest assembly; 710, armrest frame;

[0027] 720, control mechanism; 800, tool assembly; 810, plow; 811, plowshare; 812, second rod; 8121, first connecting portion; 8122, second connecting portion; 8123, convex portion; 813, first extension portion; 814, second extension portion. DETAILED DESCRIPTION

[0028] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and the features in the embodiments can be combined with each other without conflict. It should also be understood that the terms used in the embodiments of the present invention are intended to describe specific implementation schemes, rather than to limit the scope of protection of the present invention. The test methods for which specific conditions are not specified in the following examples are usually carried out under conventional conditions or under the conditions recommended by the manufacturers.

[0029] When numerical ranges are given in the embodiments, it should be understood that unless otherwise specified in the present invention, both endpoints of each numerical range and any value between the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present invention are in accordance with the prior art mastery of those skilled in the art and the description of the present invention, and any prior art methods, equipment and materials similar or equivalent to the methods, equipment and materials in the embodiments of the present invention can also be used to implement the present invention.

[0030] It should be noted that the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present utility model. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present utility model without substantially changing the technical content.

[0031] See also Figures 1 to 8 The utility model provides a rotary tiller and a garden tool. The tool assembly 800 in the rotary tiller is installed on the frame 100 on the rear side of the tilling blade assembly 300 to perform garden operations corresponding to its functions, realizing the function of the tool assembly 800 to automatically operate together with the rotary tiller, which saves manpower and improves efficiency without increasing costs, thereby improving the technical problem of high cost of automated tools for garden operations.

[0032] See also Figure 1 The rotary tiller includes a frame 100, a travel assembly 200, a tilling blade assembly 300, a power source assembly 400 and a tool assembly 800.

[0033] See also Figure 2 The structural form of the frame 100 is not limited, and reference may be made to the structure of the existing rotary tiller frame 100. The walking assembly 200 is installed on the frame 100 to drive the frame 100 to walk; the walking assembly 200 includes a first power mechanism 210, a first transmission mechanism 220 and a walking wheel 230. The first power mechanism 210 is connected to the first transmission mechanism 220 in a transmission connection. The first transmission mechanism 220 can be any mechanism that can realize power transmission and deceleration functions, which is not limited here. The first power mechanism 210 drives the walking wheel 230 to rotate through the first transmission mechanism 220 to realize the self-propelled function of the rotary tiller. The first power mechanism 210 can be a motor, or an engine or other device that can provide power. In this embodiment, the first power mechanism 210 is a motor.

[0034] See also Figure 2 The tilling blade assembly 300 is installed on the rear side of the frame 100 to perform rotary tillage operations. The tilling blade assembly 300 includes a power mechanism, a transmission mechanism and a tilling blade 330. In order to distinguish it from the power mechanism of the walking assembly 200, the power mechanism of the tilling blade assembly 300 is named as a second power mechanism 310, and the transmission mechanism is named as a second transmission mechanism 320; the second power mechanism 310 drives the tilling blade 330 to rotate through the second transmission mechanism 320 to achieve the purpose of crushing, turning and mixing the soil. The second power mechanism 310 can be a motor, or an engine or other device that can provide power. The second power mechanism 310 in this embodiment is a motor acceleration and reduction gear.

[0035] See also Figure 1 to Figure 2 The power source assembly 400 is installed on the frame 100 to provide power for the operation of the tilling blade assembly 300 and / or the travel of the frame 100; when the first power mechanism 210 and the second power mechanism 310 are both motors, the power source assembly 400 is a battery pack to provide electrical energy for the travel of the rotary tiller and the rotary tillage operation of the tilling blade assembly 300.

[0036] See also Figure 1 The tool assembly 800 is installed on the frame 100 at the rear side of the tilling blade assembly 300 to perform gardening operations corresponding to its functions, realizing the function of the tool assembly 800 to automatically operate together with the rotary tiller, which saves manpower, improves efficiency, and does not increase costs.

[0037] In an example of the rotary tiller of the utility model, the tool assembly 800 includes a plow 810, a furrowing assembly, a harvesting assembly, a tilling assembly, a sowing assembly, a weeding assembly, a backfilling assembly, a wind-sending spraying assembly, a furrowing and fertilizing assembly, a straw returning assembly, a strawberry ridging assembly, a potato harvesting assembly, a wheat sowing assembly, or a film-covering spraying assembly, so that the rotary tiller has the functions of a simple furrowing machine, a simple harvester, a tilling machine, a sowing machine, a weeding machine, a backfilling machine, a wind-sending spraying machine, a furrowing and fertilizing machine, a straw returning machine, a strawberry ridging machine, a potato harvester, a wheat sowing machine, or a film-covering spraying machine. It can also perform gardening operations corresponding to its functions, realizing the function of the tool assembly 800 to automatically operate with the rotary tiller, which saves manpower, improves efficiency, does not increase costs, and improves the technical problem of high cost of gardening operation automation tools. Specifically, when performing a certain gardening operation, the tool assembly 800 with the corresponding function can be selected and installed on the bracket. It should be noted that when installing the tool assembly 800, the tilling blade 330 can be removed, and only the gardening operation corresponding to the tool assembly 800 can be performed. Alternatively, the tilling blade 330 can be left intact, and the rotary tillage operation and the gardening operation of the tool assembly 800 can be performed simultaneously.

[0038] See also Figure 2 and Figure 6 In an example of the rotary tiller of the utility model, a first mounting portion 110 and a second mounting portion 120 are provided on the rear side of the frame 100, and the first mounting portion 110 is used to mount the tilling blade assembly 300. Specifically, the shape of the first mounting portion 110 is not limited, and it is suitable to reliably mount the tilling blade assembly 300. In the present embodiment, the first mounting portion 110 is an arc-shaped wall body that can cover the tilling blade 330 and is compatible with the tilling blade 330. The second transmission mechanism 320 is mounted on the lower side of the first mounting portion 110, and the power mechanism is transmission-connected to the second transmission mechanism 320 and is located on the upper side of the first mounting portion 110. On the one hand, the structure of the first mounting portion 110 covers the second transmission mechanism 320 and the tilling blade 330 on the inner side for protection. On the other hand, the structure has better adaptability to the tilling blade assembly 300 and also leaves enough installation space for other auxiliary components.

[0039] See also Figures 2 to 7The second mounting portion 120 is used to install the tool assembly 800. The structure of the second mounting portion 120 is not limited, and it is suitable to realize universal matching installation of various types of tool assemblies 800. In this embodiment, the second mounting portion 120 is fixedly connected to the first mounting portion 110. The second mounting portion 120 includes a fixing sleeve 121 and a first rod 122. The fixing sleeve 121 is slidably connected to the first rod 122. The side wall of the fixing sleeve 121 is provided with a locking member 123. The first rod 122 is provided with a plurality of through holes 124. The first rod 122 can adjust its height in the fixing sleeve 121 and be locked by the locking member 123 to adapt to various tool assemblies 800 of different sizes. The setting of the plurality of through holes 124 on the first rod 122 is used for matching installation with the locking member 123 on the one hand, and for installing the tool assembly 800 on the other hand, so as to adapt to the installation of various tool assemblies 800 of different sizes. The second mounting portion 120 of the technical solution has the beneficial effects of good versatility, simple structure and convenient installation.

[0040] See also Figures 2 to 6 and Figure 8 In an example of the rotary tiller of the utility model, the tool assembly 800 is a plow 810, so as to realize plowing operation after tilling the soil, for digging grooves or removing weeds, etc. In this technical solution, the rotary tiller performs plowing operation after rotary tilling operation, so that the difficulty of plowing is reduced and the work efficiency is improved. The plow 810 includes a plowshare 811 and a second rod 812 connected to the plowshare 811. The shape of the plowshare 811 is not limited, for example, it can be V-shaped, triangular, trapezoidal or chisel-shaped, etc. The plowshare 811 in this embodiment is approximately V-shaped, and the position where the second rod 812 is connected to the plowshare 811 There is no limitation on the connection method, as long as the second rod 812 can be stably connected to the ploughshare 811. Preferably, the second rod 812 is connected to the symmetry axis of the ploughshare 811, and the symmetry axis of the ploughshare 811 passes through the tip with the greatest force. This connection method makes the force on the ploughshare 811 balanced and the operation quality is high. The second rod 812 is detachably connected to the ploughshare 811. When the ploughshare 811 is damaged, it can be replaced with a new one. The second rod 812 can be reused to reduce costs. The second rod 812 is detachably connected to the first rod 122 for replacing other tool components 800.

[0041] See also Figure 8In an example of the rotary tiller of the utility model, the two ends of the plowshare 811 are respectively provided with a detachable first extension part 813 and a second extension part 814. Specifically, the first extension part 813 and the second extension part 814 are respectively arranged on both sides of the V-shaped plowshare 811 to widen the width of the plowed land, and the first extension part 813 and the second extension part 814 are both detachable, and it can be selected whether to install them as needed. Preferably, the first extension part 813 and the second extension part 814 are connected to the plowshare 811 by screws, and the connecting holes on the first extension part 813 and the second extension part 814 are oblong holes to achieve the adjustability of the extension length of the first extension part 813 and the second extension part 814. In order to further ensure the quality of plowing and avoid uneven force on the plowshare 811, the first extension part 813 and the second extension part 814 are symmetrically arranged about the symmetry axis of the plowshare 811.

[0042] See also Figure 6 and Figure 8 In an example of the rotary tiller of the utility model, one end of the second rod 812 is provided with a first connecting part 8121 connected to the first rod 122. There are various forms of connection between the first connecting part 8121 and the first rod 122, such as bolt connection, pin connection, clamping or mortise and tenon connection, but not limited to this. In this embodiment, the first connecting part 8121 is set to a U-shaped structure, and the first rod 122 is embedded in the groove of the first connecting part 8121, and then fixed by bolt connection. The setting of the first connecting part 8121 limits the horizontal three-direction freedom and three rotational degrees of freedom of the first rod 122 through the U-shaped structure, improves the reliability of the connection between the second rod 812 and the first rod 122, and realizes the symmetrical installation of the second rod 812 relative to the symmetry axis of the first rod 122, so that the force of the plow 810 is uniform, thereby improving the plowing quality. The other end of the second rod 812 is provided with a second connecting portion 8122 connected to the ploughshare 811. There are various forms of connection between the second connecting portion 8122 and the ploughshare 811, such as bolt connection, pin connection, clamping or mortise and tenon connection, but not limited to this. In this embodiment, the second connecting portion 8122 and the ploughshare 811 are connected by bolts, and the second connecting portion 8122 is connected to the upper part of the ploughshare 811 along the symmetry axis of the ploughshare 811.

[0043] See also Figure 3 to Figure 4In an example of the rotary tiller of the utility model, the rotary tiller also includes a protective cover 600 to protect the tilling blade 330 and improve the safety factor during operation. The protective cover 600 is installed on the side of the first mounting portion 110 away from the tilling blade assembly 300. The protective cover 600 includes an upper cover body 610, a first side cover body 620, a second side cover body 630 and a rear cover body 640. The upper cover body 610 is fixedly connected to the first mounting portion 110, and the first side cover body 620 and the second side cover body 630 are arranged at both ends of the side of the upper cover body 610. The first side cover body 620, the second side cover body 630 and the upper cover body 610 can be a fixed connection or an adjustable connection. In this embodiment, the first side cover body 620, the second side cover body 630 and the upper cover body 610 are adjustably connected. There are various adjustable mechanism forms, including an oblong groove or a plurality of mounting holes in combination with a locking member, which are not limited here. The upper cover body 610, the first side cover body 620, the second side cover body 630 and the rear cover body 640 realize four-sided protection for the tiller blade 330. The rear cover body 640 is hinged to the rear end of the upper cover body 610. This arrangement facilitates lifting the rear cover body 640 for installation of the tool assembly 800 and cleaning of the tiller blade assembly 300 and the tool assembly 800.

[0044] See also Figure 5 , Figure 6 and Figure 8 Furthermore, in an example of the rotary tiller of the utility model, a convex portion 8123 is provided at the upper end of the second rod 812, and a connecting piece 641 is provided on the inner side of the rear cover 640, and the connecting piece 641 is detachably connected to the convex portion 8123, and the connection between the convex portion 8123 and the connecting piece 641 can fix the rear cover 640, wherein the connection form between the convex portion 8123 and the connecting piece 641 is not limited, including bolt connection, pin connection, clamping, etc., and the shapes of the convex portion 8123 and the connecting piece 641 can be provided with different forms such as through holes or slots due to different connection methods. In this embodiment, the convex portion 8123 and the connecting piece 641 are connected by a pin.

[0045] See also Figure 7 In an example of the rotary tiller of the utility model, in order to facilitate holding when adjusting the first rod 122, a handle 125 is provided at the upper end of the first rod 122. The shape and structure of the handle 125 are not limited, and it is convenient for people to grasp it. Because the rear cover 640 is hinged to the upper cover 610, a limiting member 126 is provided at the lower end of the first rod 122 to limit the rear cover 640 and prevent the rear cover 640 from contacting the tilling blade 330.

[0046] In an example of the rotary tiller of the utility model, a second mounting portion 120 is provided at the rear side of the frame 100, and the second mounting portion 120 is used to install the tool assembly 800. The structure of the second mounting portion 120 is not limited, and it is suitable to realize universal matching installation of various types of tool assemblies 800. For example, it can be composed of the above-mentioned fixing sleeve 121 and the first rod 122, or it can be other structures. Considering the reliability and convenience of the installation of the second mounting portion 120, in one embodiment, the second mounting portion 120 is fixedly connected to the first mounting portion 110, and the first mounting portion 110 is used to install the tilling blade assembly 300. Specifically, the shape of the first mounting portion 110 is not limited, and it is suitable to reliably install the tilling blade assembly 300 and stably install the second mounting portion 120. The structure and function of the first mounting portion 110 can refer to the above content and will not be repeated. By adopting the setting of installing the second mounting portion 120 on the first mounting portion 110, the tool assembly 800 can be reliably installed and conveniently disassembled.

[0047] The tool assembly 800 includes a connecting mechanism, which is detachably connected to the second mounting part 120. The structure and shape of the connecting mechanism are not limited, and include any structure that can be detachably connected to the second mounting part 120. Furthermore, the second mounting part 120 and the connecting mechanism can be detachably connected by threaded connection, bolt connection, pin connection, mortise and tenon connection, interference connection or other connecting rod mechanism. The connecting mechanism and the second mounting part 120 should be correspondingly provided with the structures required for the above connection method, which will not be repeated here.

[0048] See also Figure 1 In order to achieve better grip of the rotary tiller and balance the front and rear weight of the rotary tiller, a box 500 is provided on the front side of the frame 100. The structure of the box 500 is not limited. Mud, sand, etc. can be provided in the box 500 in this embodiment to increase the weight. The box 500 can also be used to place spare battery packs, maintenance tools, spare parts or crop seeds, etc.

[0049] See also Figure 2 The armrest assembly 700 is installed on the frame 100 to control the running direction of the rotary tiller, that is, to realize the turning and straight movement of the rotary tiller. The armrest assembly 700 includes an armrest frame 710 and a control mechanism 720. The shape of the armrest frame 710 is not limited. For example, it can be a handle arranged in pairs, or it can be any other shape that is convenient for holding. The control mechanism 720 can be any mechanism that can control the rotation speed and rotation direction of the motor, such as a mechanical speed change mechanism or an electrical control system. The control mechanism 720 is used to control the walking assembly 200 and the tilling blade assembly 300 to realize the adjustment and control of the rotation speed and direction of the walking assembly 200 and the tilling blade assembly 300.

[0050] The utility model also provides a gardening tool, which can be, for example, a hand-push lawn mower, a hand-push snow sweeper, a hand-push seed drill or a hand-push Figures 1 to 8 The rotary tiller in Figures 1 to 8 Taking the rotary tiller in the example, the garden tool includes: a frame 100, a walking assembly 200, a power source assembly 400 and a tool assembly 800; the walking assembly 200 is arranged on the frame 100 to drive the frame 100 to walk; the working assembly is installed on the rear side of the frame 100 and performs gardening operations; the power source assembly 400 is installed on the frame 100 to provide power for the operation of the working assembly and / or the walking of the frame 100; the tool assembly 800 is installed on the frame 100 on the rear side of the working assembly to perform gardening operations corresponding to its functions, and the parts and corresponding connection relationships not described in detail in the above garden tools can refer to the existing corresponding tool structures, and the specific details are not repeated.

[0051] The utility model rotary tiller includes a walking assembly, a tilling blade assembly and a power source assembly, which realizes the self-walking function and tilling function of the rotary tiller. The tool assembly is installed on the frame frame on the rear side of the tilling blade assembly, which realizes the function of the tool assembly to automatically operate with the rotary tiller, saving manpower and improving efficiency. In addition, it is only necessary to install the tool assembly on the frame, and there is no need to purchase the entire automated tool, thereby improving the technical problem of high cost of automated tools for garden operations. Therefore, the utility model effectively overcomes some practical problems in the prior art and has high utilization value and use significance. The above embodiments are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiments without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims

1. A rotary tiller, characterized in that: include: frame; A walking assembly is arranged on the frame to drive the frame to walk; A tillage blade assembly is installed on the rear side of the frame and performs tillage operations; A power source assembly is installed on the frame to provide power for the operation of the tiller assembly and / or the travel of the frame; A tool assembly is mounted on the frame at the rear side of the tiller assembly to perform gardening operations corresponding to its functions; Among them, a first mounting part and a second mounting part are provided on the rear side of the frame, the second mounting part is fixedly connected to the first mounting part, the second mounting part includes a fixing sleeve and a first rod, the fixing sleeve is slidably connected to the first rod, a locking piece is provided on the side wall of the fixing sleeve, a plurality of through holes are provided on the first rod, the tool assembly is a plow, the plow includes a plowshare and a second rod connected to the plowshare, and the second rod is detachably connected to the first rod.

2. The rotary tiller according to claim 1, characterized in that: The two ends of the ploughshare are respectively provided with a detachable first extension part and a second extension part, and the first extension part and the second extension part are symmetrically arranged about the symmetry axis of the ploughshare.

3. The rotary tiller according to claim 1, characterized in that: A first connection portion connected to the first rod is provided at one end of the second rod, and a second connection portion connected to the ploughshare is provided at the other end of the second rod.

4. The rotary tiller according to claim 3, characterized in that: The rotary tiller also includes a protective cover, which is installed on the side of the first mounting part away from the tilling blade assembly. The protective cover includes 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 to the first mounting part, the first side cover body and the second side cover body are fixedly connected to the two ends of the side of the upper cover body, and the rear cover body is hinged to the rear end of the upper cover body.

5. The rotary tiller according to claim 4, characterized in that: A convex portion is disposed at the upper end of the second rod, and a connecting piece is disposed inside the rear cover body, and the connecting piece is detachably connected to the convex portion.

6. The rotary tiller according to claim 1, characterized in that: A second mounting portion is disposed on the rear side of the frame, and the tool assembly comprises a connecting mechanism, which is detachably connected to the second mounting portion.

7. A garden tool, characterized in that: include: frame; A walking assembly is arranged on the frame to drive the frame to walk; A working assembly is mounted on the rear side of the frame and performs gardening operations; A power source assembly is installed on the frame to provide power for the operation of the working assembly and / or the travel of the frame; The tool assembly is mounted on the frame at the rear side of the working assembly to perform gardening operations corresponding to its functions.

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