Hand-pushed garden tool
By adopting independent controlled wheel motors and fixed structures in the hand -pushing garden tools, the problem of unstable walking of the existing tools is solved, and higher walking stability and use of reliability are achieved.
Patent Information
- Application Number
- CN202110648432.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2021-04-06
- Filing Date
- 2021-06-10
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2041-06-10
AI Technical Summary
The walking device of existing hand-push garden tools has poor walking stability when encountering obstacles or high and low places, and is prone to overturning or subverting, resulting in damage to the tool and being unable to use it.
Using an independent control of the wheel motor and the fixed -section structure, the whole machine steering is achieved through the independent speed control of the hub motor, and the stability of the whole machine is effectively guaranteed through the fixed department.
It improves the stability of the hand -pushing garden tool walking, and avoids damage and use disorders caused by the unstable walking.
Smart Images

Figure CN113338212B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of garden tools, and in particular relates to a hand-push garden tool. Background Art
[0002] A snowplow is a commonly used hand-pushed gardening tool that effectively removes snow in winter while saving time and effort. Especially in some high-altitude and cold areas, effective use of snowplows can greatly reduce manpower and improve efficiency. It is widely used in obstacle removal operations in gardens and roads.
[0003] In order to ensure the convenience of using the hand-pushed garden tools currently on the market, the power tools are usually provided with walking power by a walking power system. However, the walking stability of the current walking devices is not ideal, especially when encountering obstacles or places with large ups and downs, and problems such as tipping and overturning may occur, which may cause the snow blower to be damaged and unusable. Summary of the invention
[0004] The object of the present invention is to provide a hand-push garden tool, by which the walking stability of the hand-push garden tool is improved.
[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:
[0006] The present invention provides a hand-push gardening tool, which comprises:
[0007] chassis;
[0008] A working assembly connected to the housing;
[0009] A power assembly connected to the working assembly;
[0010] An energy supply component, which supplies energy to the power component;
[0011] A walking assembly is fixed on the housing, and the walking assembly includes:
[0012] A wheel hub motor, wherein the output shaft of the wheel hub motor is fixedly connected to the housing;
[0013] A wheel connected to the wheel hub motor;
[0014] The fixing part is arranged on the housing and connected to the output shaft.
[0015] In one embodiment of the present invention, at least two wheel hub motors are provided, and each wheel hub motor is independently controlled.
[0016] In an embodiment of the present invention, there is a certain gap between the wheel and the housing, and the gap ranges from 1 to 15 mm.
[0017] In one embodiment of the present invention, the hand-push garden tool comprises two wheel hub motors, the two wheel hub motors are respectively provided with a first output shaft and a second output shaft, and the first output shaft is coaxially arranged with the second output shaft.
[0018] In one embodiment of the present invention, the fixing portion includes an axle fixing seat, the axle fixing seat is fixed on the housing, and a first fixing member is disposed on the axle fixing seat, and the first fixing member is sleeved on the output shaft.
[0019] In one embodiment of the present invention, the fixing portion includes a support seat and a sleeve fixed on the support seat, the support seat and the sleeve are located in the housing, and the sleeve is sleeved on the output shaft.
[0020] In an embodiment of the present invention, the bushing includes a first bushing and a second bushing, the first bushing is sleeved on the first output shaft, and the second bushing is sleeved on the second output shaft.
[0021] In one embodiment of the present invention, the support base includes a first plane and a second plane, the first plane is fixed on the bottom wall of the casing, the second plane is fixed on the side wall of the casing, and the sleeve is fixed on the first plane.
[0022] In one embodiment of the present invention, the support base includes a third plane, and the third plane is connected to the first plane and the second plane.
[0023] In one embodiment of the present invention, the support base includes a second fixing member, and the second fixing member is arranged on the third plane.
[0024] In an embodiment of the present invention, a support plate is disposed on the support seat, and the support plate is supported between the shaft sleeve and the housing.
[0025] In an embodiment of the present invention, a support plate is disposed on the support seat, and the support plate is fixedly connected to the shaft sleeve and the first plane.
[0026] In one embodiment of the present invention, the fixing portion includes a pressing plate, and the pressing plate covers a side of the shaft sleeve opposite to the supporting plate.
[0027] In an embodiment of the present invention, the fixing portion includes a third fixing member, the third fixing member is fixed on the housing, and the third fixing member presses the pressing plate and the shaft sleeve.
[0028] In one embodiment of the present invention, one end of the third fixing member facing the pressing plate is in an arc shape adapted to the pressing plate.
[0029] In one embodiment of the present invention, the hand-push garden tool is a snow blower.
[0030] As described above, according to the hand-push garden tool provided by the present invention, the hand-push garden tool realizes the steering of the whole machine by independently controlling the rotation speed of each wheel hub motor; and by setting the fixing part, the walking stability of the whole machine is effectively guaranteed. According to the hand-push garden tool provided by the present invention, the walking stability of the hand-push garden tool can be improved.
[0031] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.
[0033] Figure 1 The present invention is a three-dimensional structural diagram of a snowplow.
[0034] Figure 2 A bottom view of a snowplow.
[0035] Figure 3 This is a structural diagram of a snow rolling component.
[0036] Figure 4 The figure is a structural diagram of a snow throwing component.
[0037] Figure 5 The figure is a structural diagram of a local snowplow.
[0038] Figure 6 The figure is a structural diagram of a transmission component.
[0039] Figure 7 This is a three-dimensional structural diagram of a local snowplow.
[0040] Figure 8 This is an exploded diagram of a casing structure.
[0041] Fig. 9 The present invention is a structural diagram of the interior of a casing when viewed from above.
[0042] Fig.10 This is a diagram of the internal structure of a casing.
[0043] Fig.11 The present invention is an installation structure diagram of a baffle assembly.
[0044] Fig.12 The figure is a structural diagram of a baffle assembly.
[0045] Fig.13 The figure is a structural diagram of a wire pressing seat.
[0046] Fig.14 The figure is a structural diagram of a wire crimping cover.
[0047] Fig.15 Electrical connection diagram for snow blower.
[0048] Fig.16 This is a structural diagram of a first control board component.
[0049] Fig.17 This is a structural diagram of a second control board component.
[0050] Fig.18 This is a structural diagram of a second shell.
[0051] Fig.19 This is a structural diagram of a second heat sink.
[0052] Fig. 20 The figure is a structural diagram of a circuit board base.
[0053] Fig.21 This is a diagram of a pressure seat structure.
[0054] Fig. 22 The figure is a structural diagram of a fixed seat.
[0055] Fig.23 The figure is a structural diagram of a walking component.
[0056] Fig.24 The present invention is a cross-sectional view of a walking component.
[0057] Fig.25 The present invention is a structural diagram of a wheel axle fixing seat.
[0058] Fig.26 This is a structural diagram of some fixed parts.
[0059] Fig. 27 The figure is a structural diagram of a support seat.
[0060] Fig.28 This is a diagram of a pressure plate mechanism.
[0061] Fig.29 This is a structural diagram of a third fixing member.
[0062] Fig.30 The present invention is a structural diagram of a snow discharge direction adjustment component. DETAILED DESCRIPTION
[0063] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0064] See also Figures 1 to 30 As shown, the present invention provides a hand-pushed garden tool, which is, for example, a snowplow 1. Of course, in other embodiments, the hand-pushed garden tool can also be a lawn mower, etc. The snowplow 1 mainly includes a snow rolling component 10, a snow throwing component 20, a power component 30, an energy supply component 40, a walking component 50, a control component 60 and a snow discharge direction adjustment component 70. Among them, the snow rolling component 10 and the snow throwing component 20 are working components of the snowplow 1. The snow rolling component 10 collects snow on the ground into the snow rolling chamber, and twists the accumulated snow into the snow throwing component 20 through the snow rolling blade 101. The snow throwing blade 201 in the snow throwing component 20 throws the accumulated snow from the snow discharge barrel 700 through rotation. Among them, the power component 30 is connected to the snow rolling component 10 and the snow throwing component 20, and is used to drive the snow rolling blade 101 in the snow rolling component 10 and the snow throwing blade 201 in the snow throwing component 20 to rotate; the energy supply component 40 is electrically connected to the power component 30, the walking component 50 and the control component 60, and supplies power to all electrical components in the snowplow 1; the walking component 50 is electrically connected to the energy supply component 40 and the control component 60, and is used to drive the snowplow 1 to move; the control component 60 is the operating end of the snowplow 1; the snow discharge direction adjustment component 70 is used to adjust the snow discharge direction; the snowplow 1 also includes a housing 80, the energy supply component 40 is arranged on the housing 80, and the walking component 50 is fixed on both sides of the housing 80.
[0065] See also Figures 1 to 5 As shown, in one embodiment of the present invention, the front shell 100 is arranged at one end of the working surface of the snow sweeper 1, and the front shell 100 includes a curved surface and two side surfaces. The curved surface and the two side surfaces form a snow rolling cavity for accommodating the snow rolling blade 101 and the snow collected by the snow rolling blade 101, and the snow rolling cavity is connected to the snow throwing cavity to throw the collected snow from the snow discharge cylinder 700. The snow rolling blade 101 is arranged on the first rotating shaft 301, and the snow rolling blade 101 rotates as the first rotating shaft 301 rotates, thereby collecting the snow on the horizontal surface, and allowing the snow to enter the snow throwing cavity formed by the snow throwing cylinder 200.
[0066] For further information, see Figure 3 and Figure 4As shown, the snow rolling blade 101 is arranged on the first rotating shaft 301, and the first rotating shaft 301 is arranged in the snow rolling cavity of the front shell 100 and is arranged laterally between the two side surfaces. The first rotating shaft 301 is preferably parallel to the horizontal plane. When the first rotating shaft 301 is rotated, the snow rolling blade 101 arranged thereon rotates along with the rotation of the first rotating shaft 301, thereby collecting the snow on the ground, and allowing the snow to enter the snow rolling cavity of the front shell 100. Specifically, the snow rolling blade 101 is composed of a plurality of snow rolling blades, and the number of the snow rolling blades is at least 4, for example, and every two snow rolling blades are cross-fixed on the first rotating shaft 301.
[0067] For further information, please refer to Figure 1 and Figure 3 As shown, a plurality of first lighting lamps 105 are also provided on the front shell 100. The first lighting lamps 105 are installed on the top of the curved surface of the front shell 100 and are located above the snow roller 101. The first lighting lamps 105 are electrically connected to the power supply component 40 and the control component 60. The first lighting lamps 105 are used to remove snow in a dark environment.
[0068] See also Figures 2 to 5 As shown, in one embodiment of the present invention, the snow throwing assembly 20 includes a snow throwing knife 201, a snow throwing cylinder 200, and a snow discharging cylinder base 202. The side wall of the snow throwing cylinder 200 has an opening, and one side of the snow throwing cylinder 200 is connected to the front shell 100 to form a snow throwing cavity, and the other side is connected to the housing 80. The snow throwing cavity formed by the snow throwing cylinder 200 is connected to the snow rolling cavity, and the snow rolling knife 101 presses the accumulated snow into the snow throwing cavity.
[0069] See also Figures 4 to 6 As shown, in one embodiment of the present invention, the snow thrower 201 is located in the snow thrower 200 and is arranged on the second rotating shaft 302. The second rotating shaft 302 is preferably arranged perpendicular to the first rotating shaft 301 and preferably parallel to the horizontal plane. One end of the second rotating shaft 302 is connected to the first rotating shaft 301 in a transmission manner, and the other end extends in a horizontal direction, from the side where the snow thrower 200 is connected to the front shell 100 to the other side, and then connected to the output end of the first motor 300 through a belt or chain. When the second rotating shaft 302 rotates, the snow thrower 201 rotates accordingly. In this embodiment, the rotation speed of the snow thrower 201 is, for example, 500rpm to 1500rpm.
[0070] See also Figure 4 and Figure 6 As shown, the snow discharge cylinder base 202 is connected to the opening of the snow throwing cylinder 200 . When the snow throwing knife 201 rotates along with the second rotating shaft 302 , the snow in the snow throwing chamber is thrown out from the snow discharge cylinder base 202 by the snow throwing knife 201 .
[0071] See also Figure 1 , Figure 5 and Figure 6As shown, in one embodiment of the present invention, the power assembly 30 includes a first motor 300, a first rotating shaft 301 and a second rotating shaft 302. The first motor 300 is arranged above the snow throwing cylinder 200 and arranged side by side with the snow throwing cylinder base 202. The output end of the first motor 300 is located above the connection between the snow throwing cylinder 200 and the housing 80, and the first motor 300 is fixed to the side wall of the snow throwing cylinder 200.
[0072] For further information, see Figure 1 , Figures 5 to 8 As shown, one end of the second rotating shaft 302 is connected to the first rotating shaft 301, and the other end passes through the snow throwing chamber and the snow rolling chamber and extends into the housing 80. One end of the second rotating shaft 302 is preferably located below the first motor 300, and the output end of the first motor 300 is connected to the second rotating shaft 302 through a belt or chain drive. Specifically, as a preferred solution of this embodiment, the transmission assembly 30 includes a first transmission wheel 308, a second transmission wheel 309 and a transmission member. The first transmission wheel 308 is fixed at the top end of the second rotating shaft 302, and the second transmission wheel 309 is set at the output end of the first motor 300. The radius of the first transmission wheel 308 is greater than the radius of the second transmission wheel 309, and the transmission member surrounds the outer circumference of the first transmission wheel 308 and the second transmission wheel 309. The transmission member is, for example, a belt or a chain. When the transmission member is a belt, a tensioning structure is also set around the belt. When the snow sweeper is working, the output end of the first motor 300 rotates, and the second shaft 302 rotates accordingly, driving the snow thrower 201 connected to the second shaft 302 and the first shaft 301 to rotate, and then driving the snow rolling blade 101 fixed to the first shaft 301 to rotate. The use of belt or chain transmission can reduce wear between parts and make parts easy to replace; at the same time, there is no transmission gap and the cost is low.
[0073] See also Figure 6 As shown, in other embodiments, the output end of the first motor 300 is connected to the second rotating shaft 302 via a coupling or other shaft connecting components, so that direct transmission between the first motor 300 and the second rotating shaft 302 can be achieved, thereby improving transmission efficiency.
[0074] For further information, see Figure 3 , Figure 5 , Figure 6 and Figure 7As shown, a worm gear is used to connect the first rotating shaft 301 and the second rotating shaft 302. A worm 303 is arranged at one end of the second rotating shaft 302 connected to the first rotating shaft 301, and a worm wheel 304 is arranged at the middle part of the first rotating shaft 301. The worm 303 and the worm wheel 304 are meshed, and the rotation of the first rotating shaft 301 is driven by rotating the second rotating shaft 302. A fan 900 is also arranged at one end of the second rotating shaft 302 connected to the first motor 300, and the fan 900 is located in the housing 80. The speed range of the fan 900 is, for example, 500-1500rpm. The fan 900 is arranged on the second rotating shaft 302, that is, on the axle of the first transmission wheel 308. When the first transmission wheel 308 rotates, the fan 900 is driven to rotate, without the need for additional power transmission, with a compact structure and ingenious design, and the belt and the first transmission wheel 308 have good heat dissipation effect.
[0075] See also Figure 1 , Figures 7 to 9 As shown, in one embodiment of the present invention, the housing 80 is disposed on one side of the snow throwing assembly 20 relative to the snow rolling assembly 10. The housing 80 is used to fix the walking assembly 50 and provide a receiving space for the control panel assembly. Figure 7 As shown, the housing 80 includes a main housing 802, a connecting surface 803, a bottom surface 804, a fixing member 806, a hanging rod 801 and a bracket 805. The main housing 802 is a groove structure with an opening at one end, the notch of the main housing 802 faces downward, and the opening of the main housing 802 faces the snow throwing assembly 20; the notch of the main housing 802 is connected to the bottom surface 804, and the opening of the main housing 802 is connected to the connecting surface 803 to form a closed housing 80. On the two opposite side surfaces of the main housing 802, a first through hole 802a is provided, and the first through hole 802a is used to connect the walking assembly 50; on the top surface of the main housing 802, and on the side close to the connecting surface 803, a notch 802b is also provided, and the notch 802b is used to provide a channel for the belt connecting the first transmission wheel 308 and the second transmission wheel 309. A plurality of through holes are also provided on the top surface of the main housing 802 to provide a channel for the electrical connection of the energy supply assembly 40 and the control panel assembly.
[0076] For further information, please refer to Figure 5 and Fig. 9As shown, in this embodiment, the fixing member 806 is arranged in an L shape, and the fixing member 806 is fixed on the outer bottom wall of the snow throwing tube 200, and the two fixing members 806 are arranged in parallel and opposite to each other, and the distance between the two fixing members 806 is greater than the width of the connecting surface 803. The connecting surface 803 is fixed on the outer bottom wall of the snow throwing tube 200 by bolts, for example, to connect the snow throwing assembly 20 and the housing 80. Specifically, first connecting members 803b are arranged on both sides of the connecting surface 803. When the connecting surface 803 is fixed on the outer bottom wall of the snow throwing tube 200, there is a gap between the fixing member 806 and the first connecting member 803b of the connecting surface 803. The main housing 802 of the housing 80 is engaged in the gap formed by the fixing member 806 and the first connecting member 803b, and is fixedly connected by bolts. A second through hole 803a is arranged on the connecting surface 803, and the radius of the second through hole 803a is smaller than the radius of the first transmission wheel 308. The first transmission wheel 308, the second transmission wheel 309 and the fan 900 are all located on the side of the connecting surface 803 close to the main housing 802. The second rotating shaft 302 passes through the second through hole 803a and the bottom wall of the snow throwing cylinder 200 in sequence to the snow throwing chamber.
[0077] For further information, please refer to Figure 5 and Fig. 9 As shown, in this embodiment, a first slot 803c is provided on one side of the first connecting member 803b, a hanging rod 801 is mounted on the main housing 802, two ends of the hanging rod 801 are fixed on two opposite side walls of the main housing 802, and the hanging rod 801 is located on the side where the main housing 802 is connected to the connecting surface 803. When the housing 80 is connected to the snow throwing assembly 20, the hanging rod 801 is engaged in the first slot 803c, the housing 80 is rotated around the axis of the hanging rod 801, the side wall of the main housing 802 is engaged in the gap formed by the fixing member 806 and the first connecting member 803b, and the main housing 802 is fixedly connected to the fixing member 806 and the first connecting member 803b by bolts, thereby connecting the housing 80 and the control assembly 60 thereon to the snow throwing assembly 20. The housing 80 and the snow throwing assembly 20 of this embodiment are very convenient to assemble and disassemble, thereby improving the convenience of assembling the snow sweeper 1.
[0078] For further information, see Figures 5 to 9 The bracket 805 is arranged on both side surfaces of the main shell 802 , and the bracket 805 is located on the side close to the bottom surface 804 . The bracket 805 is used to provide support for the control board assembly in the shell 80 .
[0079] See also Figures 9 to 12As shown, a baffle assembly is also provided between the working assembly and the control panel assembly, and the baffle assembly separates the control panel assembly in the housing 80 from the fan 900 and the first transmission wheel 308 to prevent motion interference. The present invention does not limit the number of baffles. In this embodiment, the baffle assembly includes a first baffle 814 and a second baffle 815. Specifically, the first baffle 814 is fixed to the bracket 805, and a second card slot 816 is provided on the first baffle 814 on a side away from the bracket 805. The second card slot 816 divides the side of the first baffle 814 away from the bracket into a first engaging member 817 and a second engaging member 818. The second baffle 815 is fixed to the circuit board base 906, and the second baffle 815 and the circuit board base 906 are preferably provided in one piece. The side of the second baffle 815 away from the circuit board base 906 is clamped in the second clamping groove 816, and the first clamping member 817 is located on one side of the second baffle 815, and the second clamping member 818 is located on the other side of the second baffle 815, so that the connection between the first baffle 814 and the second baffle 815 is more reliable, and the baffle assembly will not tip over.
[0080] See also Figures 7 to 14 As shown, in one embodiment of the present invention, a wire clamp 807 is fixed on the main housing 802 and located on a side surface relative to the connection surface 803. It is used to provide a circuit channel between the control panel assembly and the external electrical parts arranged inside the housing 80. Specifically, the wires on the operating table 602 extend to the housing 80 along the push rod 601, and enter the housing 80 through the wire clamp 807, and are connected to the control panel assembly in the housing 80. The wire clamp 807 includes a wire pressing seat 810 and a wire pressing cover 811, and the wire pressing seat 810 and the wire pressing cover 811 are buckled to form a wire pressing channel 812 in the wire clamp 807, and the wire pressing channel 812 is provided with an arc rib 813 to increase the friction between the wire and the wire pressing channel 812. Preferably, the wire clamp 807 is triangularly arranged, and at each vertex, the wire pressing seat 810 and the wire pressing cover 811 are fixed and pressed by bolts to meet the pull-out force test requirements of the wire. In this embodiment, the entrance of the wire crimping channel 812 is located on the side wall to which the wire clamp 807 is fixed, the outlet of the wire crimping channel 812 is in contact with the housing 80, and a through hole is provided at a corresponding position of the housing 80. The wire enters through the entrance of the wire crimping channel 812, passes through the wire crimping channel 812, and enters the housing 80 through the outlet of the wire crimping channel 812, and is electrically connected to the control panel assembly in the housing 80.
[0081] See also Figures 7 to 16As shown, a control panel assembly is arranged inside the housing 80, wherein the control panel assembly includes a first control panel assembly 901, a second control panel assembly 902, a third control panel assembly 903 and at least one fourth control panel assembly 904. The first control panel assembly 901 is used to control the switch of the first lighting lamp 105 on the front housing 100; the second control panel assembly 902 is used to control the switch and speed of the first motor 300; the third control panel assembly 903 is used to control the charging and discharging of the battery pack 400; and the fourth control panel assembly 904 is used to control the switch, speed and direction of the hub motor 501 in the walking assembly 50.
[0082] See also Figure 2 , Figures 9 to 12 , Figures 16 to 21 As shown, in one embodiment of the invention, a circuit board base 906 is provided on the top surface inside the housing 80 and on the side close to the fan 900, and slots 906a are provided on both sides of the circuit board base 906. On the side of the housing 80 close to the bottom surface 804 and at the position opposite to the circuit board base 906, a plurality of symmetrical pressure seats 905 are fixed. In this embodiment, the pressure seat 905 includes a left pressure seat and a right pressure seat, and the plurality of pressure seats 905 and the circuit board base 906 work together to define the positions of the first control board assembly 901, the second control board assembly 902 and the third control board assembly 903. Specifically, one end of the pressure seat 905 is fixed to the bracket 805, and the other end is fixed to the fixed part of the walking assembly 50.
[0083] See also Fig. 9 and Fig. 22 As shown, a plurality of fixing seats 907 are fixed on a side wall of the housing 80 and located on the side wall opposite to the connection surface 803. In this embodiment, the number of fixing seats 907 is, for example, two, including a left fixing seat and a right fixing seat. The left fixing seat and the right fixing seat are fixed in parallel on the side wall of the housing 80 for placing the fourth control board assembly 904. A plurality of reinforcing ribs 907a are also provided on the fixing seat 907, so that the fixing seat 907 has a higher strength and a more stable structure. The reinforcing ribs 907a are higher than the plane where they are located, which increases the surface area of the fixing seat 907 and increases the distance between the housing 80 and the fixing seat 907, thereby enhancing the heat dissipation effect. A notch 907b is also provided on the fixing seat 907, and the notch 907b is arc-shaped. When the fourth control board assembly 904 is placed on the fixing seat 907, it needs to be electrically connected to the hub motor 501 through wiring. The notch 907b provides a channel for the wiring between the fourth control board assembly 904 and the hub motor 501, making the wiring simple and organized.
[0084] See also Figures 7 to 17As shown, in one embodiment of the present invention, the first control board assembly 901 is fixed on the circuit board base 906 on the top surface of the housing 80. The first control board assembly 901 includes a first control board 901a and a first shell 901b. The first control board 901a is arranged on the first shell 901b. The first control board 901a is connected to the first illuminating lamp 105 and the button on the operating table 602. When the button on the operating table 602 is pressed, the switch of the first illuminating lamp 105 can be adjusted. The first shell 901b is used to fix the first control board 901a. In this embodiment, the first shell 901b is fixed on the circuit board base 906. The first shell 901b is, for example, a plastic part.
[0085] See also Figures 7 to 21 As shown, in one embodiment of the present invention, the second control board assembly 902 is fixed between the circuit board base 906 and a pressure seat 905, and is close to a side wall of the housing 80. Specifically, the second control board assembly 902 is close to a side wall where the main housing 802 is connected to the connection surface 803. The second control board assembly 902 includes a second control board 902a and a first heat sink 902b. The first heat sink 902b is located between the circuit board base 906 and the pressure seat 905, and is plugged into the slot 906a. The second control board 902a is fixed on the first heat sink 902b. The second control board 902a is fixed on the first heat sink 902b by fasteners or glue injection, for example, and the second control board 902a is connected to the first motor 300 and the button on the operating table 602. When the button on the operating table 602 is pressed, the speed of the first motor 300 can be adjusted. The first heat sink 902b includes dense grooves on a side away from the second control board 902a to expand the heat dissipation area.
[0086] See also Figures 7 to 21As shown, in one embodiment of the present invention, the third control board assembly 903 is located between the circuit board base 906 and the other pressure seat 905, and is close to a side wall of the housing 80. Specifically, the third control board assembly 903 is close to the other side wall where the main housing 802 is connected to the connecting surface 803, and is located on the side opposite to the second control board assembly 902. The third control board assembly 903 includes a third control board 903a, a second housing 903b, and a second heat sink (not shown in the figure). The second housing 903b is located between the circuit board base 906 and the other pressure seat 905, and is plugged into the other slot 906a. The third control board 903a is fixed to the second housing 903b by fasteners or glue injection, for example. The third control board 903a is connected to the battery pack 400 and the button on the operation console 602, wherein the third control board 903a and the battery pack 400 are bidirectionally connected, the battery pack 400 supplies power to the third control board 903a, and the third control board 903a controls the discharge of the battery pack 400. When the button on the operation console 602 is pressed, the output voltage and discharge form of the battery pack 400 can be adjusted. A heat sink can also be attached to the third control board 903a to dissipate heat for the third control board 903a.
[0087] See also Figures 7 to 19 As shown, in one embodiment of the present invention, the fourth control panel assembly 904 is fixed between two symmetrical fixing seats 907 and close to the other side wall of the housing 80. The fourth control panel assembly 904 is separated from the first control panel assembly 901, the second control panel assembly 902, and the third control panel assembly 903 by the pressure plate 513 in the walking assembly 50. Specifically, the fourth control panel assembly 904 is close to the side wall opposite to the fan 900. The fourth control panel assembly 904 includes a fourth control panel 904a and a third heat sink 904b. The fourth control panel 904a is connected to the hub motor 501 and the button on the operating table 602. When the button on the operating table 602 is pressed, the speed and direction of the hub motor 501 can be adjusted. The third heat sink 904b is fixed between two symmetrical fixing seats 907 and close to the other side wall of the housing 80. The third heat sink 904b is a hollow shell. The fourth control board 904a is placed in the third heat sink 904b. The surface of the third heat sink 904b has multiple grooves to expand the heat dissipation area. Openings are provided at both ends of the third heat sink 904b to provide a connection channel between the fourth control board 904a and the outside.
[0088] See also Fig.15 As shown, the above-mentioned first control board 901a, second control board 902a and fourth control board 903a are all connected to the third control board 903a to realize the electrical connection between the energy supply component 40 and the power component 30, the walking component 50 and the control component 60, so that the energy supply component 40 supplies energy to the power component 30, the walking component 50 and the control component 60.
[0089] See also Figures 7 to 15 As shown, in this embodiment, the control panel assembly is arranged in a closed housing 80, which is dustproof and waterproof; multiple control panels are respectively placed close to different side walls of the housing 80, and are not on the side wall where the fan 900 is located, so as to fully and reasonably utilize the space in the housing 80; and multiple control panels are arranged below the battery pack 400, so as to facilitate the connection between the battery pack 400 and the control panel, and make the circuit arrangement simple and orderly; the control panel assembly is arranged in the housing 80, and the hub motor 501 is located in the wheel 500, so as to facilitate the connection between the fourth control panel 904a and the hub motor 501. The housing 80 is located in the middle of the snowplow 1, and the control panel assembly is arranged in the housing 80, so that the arrangement of the overall circuit wiring is shorter, which saves materials and reduces costs. At the same time, the fan 900 is arranged at one end of the second rotating shaft 302 and is located in the housing 80, so as to dissipate heat to the control panel in the housing 80, reduce the loss of the control panel, and reduce maintenance costs. In addition, the fan 900 can also dissipate heat to the pulley and the belt, reduce the belt loss, and extend the service life of the belt.
[0090] See also Figure 1 , Figure 7 and Fig.15 As shown, in one embodiment of the present invention, the energy supply assembly 40 includes one or more battery pack cavities 401 and a battery pack 400 disposed on the housing 80. Specifically, the battery pack 400 is also electrically connected to the first motor 300, the hub motor 501 and the control board assembly.
[0091] See also Fig. 9 , Fig.23 as well as Fig.24As shown, in one embodiment of the present invention, the walking assembly 50 includes a wheel 500, a hub motor 501 and a fixing part. The output shaft 505 of the hub motor 501 is fixedly connected to the housing 80, and the hub motor 501 is electrically connected to the control assembly 60 and the control board assembly to control the operation of the hub motor 501 through the control assembly 60 and the control board assembly. Specifically, the hub motor 501 is electrically connected to the fourth control board 904a to adjust the switch, speed, etc. of the hub motor 501. The wheel 500 is fixedly connected to the hub motor 500, allowing the hub motor 501 to drive the wheel 500 to rotate. The fixing part fixes the output shaft 505 to the housing 80, which greatly ensures the stability of the hand-pushed garden tool during walking, steering and speed regulation. The hub motor 501 is provided with at least two, for example, two, four, etc., and the plurality of hub motors 501 are evenly arranged on two opposite sides of the housing 80, and the plurality of hub motors 501 are preferably independently controlled. In this embodiment, a wheel hub motor 501 is installed on two opposite sides of the housing 80, and a wheel 500 is mounted on each wheel hub motor 501. Each wheel hub motor 501 is controlled separately. By independently controlling the rotation speed of each wheel hub motor 501, the snow sweeper 1 can move forward, backward and turn.
[0092] See also Figure 8 , Figure 23 to Figure 24 As shown, in one embodiment of the present invention, a hub motor 501 is connected to both sides of the housing 80, and a wheel 500 is mounted on each hub motor 501, and the hub motor 501 is allowed to drive the wheel 500 to rotate. In this embodiment, the output shaft 505 of the hub motor 501 passes through the first through hole 802a on the main housing 802 and is fixedly connected to the main housing 802. The wheel 500 is mounted on the hub motor 501 and is fixedly connected to the hub motor 501. There is a certain gap between the wheel 500 and the outer wall of the main housing 802, and the distance range of the gap is, for example, 1 to 15 mm, so as to ensure that when the wheel 500 rotates at a high speed, the wheel 500 is prevented from being worn, and stability is ensured, so as not to cause subversion and tipping. A central through hole is also provided inside the output shaft 505, and the wire passes through the central through hole to electrically connect the hub motor 501 to the control component 60, the control board component and the energy supply component 40. In this embodiment, the two hub motors 501 are driven independently, and the output shaft 505 includes a first output shaft 505a and a second output shaft 505b. The first output shaft 505a is connected to one hub motor 501, and the second output shaft 505b is connected to the other hub motor 501, and the first output shaft 505a and the second output shaft 505b are coaxially arranged.
[0093] See also Fig. 9 , Figure 23 to Figure 25As shown, in one embodiment of the present invention, the fixing portion includes an axle fixing seat 506 disposed between the wheel 500 and the outer side wall of the main housing 802. Specifically, each axle fixing seat 506 includes a first fixing member 507 and a plurality of third connecting members 508. The first fixing member 507 is provided with a through hole with a certain diameter and depth. The through hole with a certain diameter and depth on the first fixing member 507 is sleeved on the output shaft 505. The third connecting member 508 is disposed on the periphery of the first fixing member 507. In this embodiment, the plurality of third connecting members 508 are evenly distributed around the first fixing member 507. The third connecting member 508 is fixedly connected to the main housing 802 by bolts, thereby connecting the wheel 500 to the housing 80. The number of the third connecting members 508 is preferably 3.
[0094] See also Figure 8 , Fig. 9 , Figure 23 to Figure 26 As shown, in one embodiment of the present invention, the fixing portion includes a support seat 509 disposed in the housing 80, and a sleeve 510 disposed on the support seat 509. The support seat 509 includes a first support seat 509a and a second support seat 509b, a first sleeve 510a is fixedly connected to the first support seat 509a, and a second sleeve 510b is fixedly connected to the second support seat 509b. In this embodiment, the first output shaft 505a and the second output shaft 505b pass through the first through hole 802a to the housing 80, and the first output shaft 505a extends into the first sleeve 510a, and the second output shaft 505b extends into the second sleeve 510b. The first sleeve 510a is sleeved on the first output shaft 505a, and the first output shaft 505a is fixedly connected to the first sleeve 510a, the second sleeve 510b is sleeved on the second output shaft 505b, and the second output shaft 505b is fixedly connected to the second sleeve 510b. The shaft sleeve 510 and the wheel axle fixing seat 506 effectively ensure that the first output shaft 505a and the second output shaft 505b are coaxially arranged, thereby ensuring that the hub motors 501 in the two wheels 500 are coaxially arranged, thereby ensuring that the two independent hub motors 501 rotate coaxially, and the two shaft sleeves 510 support and fix the output shaft 505 of the hub motor 501, which can prevent the output shaft 505 from swinging.
[0095] For details, please refer to Figure 23 to Figure 27As shown, in one embodiment of the present invention, the support seat 509 includes a first plane 516 and a second plane 517. The first plane 516 is in contact with the bottom wall of the main housing 802, and the first plane 516 is fixed to the bottom wall of the main housing 802 by bolts. The second plane 517 is connected to the first plane 516, and the second plane 517 is in contact with the side wall of the main housing 802, and the second plane 517 is fixed to the side wall of the main housing 802 by bolts. The sleeve 510 is fixed on the second plane 517, and the sleeve 510 is parallel to the first plane 516 and perpendicular to the second plane 517. Two third planes 518 are also provided on the support seat 509, and the third plane 518 is connected to the first plane 516 and the second plane 517, and is used to support the first plane 516 and the second plane 517. The third plane 518 is preferably triangular, so that the support seat 509 is more stable. Preferably, the first plane 516, the second plane 517 and the two third planes 518 are integrally formed.
[0096] See also Fig. 9 , Figure 23 to Figure 27 As shown, in one embodiment of the present invention, a second fixing member 511 is further provided on the support seat 509, and the second fixing member 511 is provided on the third plane 518, and the second fixing member 511 can be integrally formed with the third plane 518. The second fixing member 511 is fixedly connected to the pressure seat 905, and the second fixing member 511 is used to fix the pressure seat 905. When the whole machine is working, the force on the support seat 509 can be transmitted to other components through the second fixing member 511 along the fixed pressure seat 905.
[0097] See also Figure 23 to Figure 27 As shown, in one embodiment of the present invention, a support plate 512 is further provided on the support seat 509, and the support plate 512 is parallel to the third plane 518 and fixedly connected to the first plane 516 and the sleeve 510. In this embodiment, the support plate 512 is connected to the first plane 516, the second plane 517 and the first sleeve 510a or the second sleeve 510b. The support plate 512 is provided between the first plane 516 and the sleeve 510, and supports the sleeve 510, so that the support plate 512 can prevent the output shaft 505 in the sleeve 510 from swinging toward the direction of the first plane 516, and further strengthens the support and fixation of the output shaft 505. Of course, in other embodiments, the support plate 512 can be directly supported between the sleeve 510 and the housing 80, that is, one end of the support plate 512 is connected to the sleeve 510, and the other end is directly connected to the housing 80.
[0098] See also Figure 23 to Figure 29As shown, in one embodiment of the present invention, a pressing plate 513 is further provided on one side of the sleeve 510 relative to the support plate 512, and the shape of the pressing plate 513 is adapted to the sleeve 510. Specifically, the cross section of the pressing plate 513 is semicircular. The pressing plate 513 covers one side of the first sleeve 510a and the second sleeve 510b relative to the support plate 512, and the inner wall of the pressing plate 513 is in contact with the sleeve 510. Both ends of the pressing plate 513 are close to the inner side wall of the main housing 802, and both ends of the pressing plate 513 are fixed by a third fixing member 514. Specifically, two third fixing members 514 are further provided on the two opposite inner side walls of the main housing 802, and the pressing plate 513 is pressed on the sleeve 510 by the third fixing member 514. In this embodiment, both ends of the third fixing member 514 are fixed to the main housing 802 by bolts, and the third fixing member 514 has an arc end 515 adapted to the pressing plate 513, that is, the arc end 515 of the third fixing member 514 is in contact with the pressing plate 513. The pressing plate 513 is clamped between the third fixing member 514 and the sleeve 510, and the arc end 515 more effectively presses the pressing plate 513 toward the first sleeve 510a and the second sleeve 510b. By arranging the third fixing member 514 on the opposite side of the first plane 516 and pressing the pressing plate 513 onto the sleeve 510 through the third fixing member 514, the output shaft 505 in the sleeve 510 can be prevented from moving toward the opposite side of the first plane 516. The first support seat 509a, the pressure plate 513, the second support seat 509b and the main housing 802 form a closed frame structure on the cross section where the output shaft 505 is located, which effectively ensures the force strength of the hub motors 501 on both sides, can avoid the two output shafts 505 of the two hub motors 501 from swinging up and down, greatly improves the operating stability of the hub motors 501, and at the same time avoids the phenomenon of pulling the housing 80 due to the deviation of the output shaft 505, and can avoid deformation of the housing 80.
[0099] See also Figure 1 , Figures 7 to 9 As shown, in one embodiment of the present invention, the control assembly 60 includes a push rod 601, an operating table 602, and a plurality of operating members on the operating table 602. A second connecting member 600 is fixedly connected to the side of the housing 80 away from the snow rolling chamber, one end of the push rod 601 is fixedly connected to the second connecting member 600, and the other end extends obliquely upward away from the housing 80, and the height of the other end of the push rod 601 is adapted to the height of the human elbow. In this embodiment, the number of push rods 601 is, for example, two, and the two push rods are arranged in parallel.
[0100] For further information, see Figure 7As shown, the operating platform 602 is arranged at one end of the push rod 601 away from the housing 80 and located between the two push rods 601. The operating elements on the operating platform 602 are electrically connected to the control panel assembly and the battery pack 400. The operating platform 602 is also provided with a plurality of operating elements for adjusting the working state of the snow sweeper 1.
[0101] See also Figures 1 to 4 ,as well as Fig.30 As shown, a snow discharge direction adjustment component 70 provided by the present invention includes a snow discharge tube 700 , a snow discharge cap 701 , and an adjustment structure of the snow discharge tube 700 and an adjustment structure of the snow discharge cap 701 .
[0102] For details, please refer to Figures 1 to 4 as well as Fig.30 As shown, in one embodiment of the present invention, one end of the snow discharge cylinder 700 is connected to the snow discharge port of the snow discharge cylinder base 202, and the snow discharge cylinder 700 is allowed to rotate around the snow discharge cylinder base 202, and the other end is connected to the snow discharge cap 701. When the snow throwing knife 201 throws the accumulated snow from the snow discharge cylinder base 202, the accumulated snow is thrown from the unclosed side of the snow discharge cylinder 700. When the snow discharge cylinder 700 rotates relative to the snow discharge cylinder base 202, the position of the unclosed side of the snow discharge cylinder 700 changes, thereby changing the snow discharge direction of the snow sweeper 1.
[0103] Please refer to Figure 1 , Figure 7 and Fig.30 As shown, in one embodiment of the present invention, the adjustment structure of the snow discharge cylinder 700 mainly includes a crank 703 and a transmission structure 710. One end of the crank 703 is connected to the transmission structure 710, and the other end extends to the operating end of the snow sweeper 1; the other end of the transmission structure 710 is connected to the snow discharge cylinder 700; when the crank 703 is turned, the transmission structure 710 transmits the rotation of the crank 703 to the rotation of the snow discharge cylinder 700. Among them, the support member 702 is used to fix the transmission structure 710.
[0104] Please refer to Figure 1 , Figure 7 and Fig.30As shown, in one embodiment of the present invention, the adjustment structure of the snow cap 701 includes a snow cap pull line 704 and a return spring 705. One end of the snow cap pull line 704 is close to the operating table 602 and connected to the adjustment rod 640, and the other end is connected to the snow cap 701. When the adjustment rod 640 is at the rear side (away from the working assembly), the snow cap pull line 704 is in a relaxed state, and the snow cap 701 is at the highest position; when the adjustment rod 640 moves forward, the adjustment rod 640 pulls the end of the snow cap pull line 704 close to the operating table 601 to move, and because the length of the snow cap pull line 704 of the snow cylinder base between the snow cylinder 700 and the snow cap 701 is reduced, the end of the snow cap 701 away from the snow cylinder 700 rotates toward the snow cylinder 700, and the return spring 705 is in a stretched or compressed state, and the snow can be thrown to a higher position. When the snow cap pull line 704 is loosened, the return spring 705 is reset, thereby driving the snow cap 701 to reset.
[0105] In the description of this specification, the description with reference to the terms "this embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0106] The embodiments of the present invention disclosed above are only used to help illustrate the present invention. The embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A hand-push garden tool, characterized in that: It includes at least: chassis; A working assembly connected to the housing; A power assembly connected to the working assembly; An energy supply component, which supplies energy to the power component, and the energy supply component includes a battery pack; A walking assembly is fixed on the housing, and the walking assembly includes: A wheel hub motor, wherein the output shaft of the wheel hub motor is fixedly connected to the housing; A wheel connected to the wheel hub motor; A fixing portion, disposed on the housing and connected to the output shaft; Wherein, the hand-pushed garden tool comprises two wheel hub motors, the two wheel hub motors are respectively provided with a first output shaft and a second output shaft, and the first output shaft is coaxially arranged with the second output shaft; The fixing part comprises a supporting seat and a shaft sleeve fixed on the supporting seat, the supporting seat and the shaft sleeve are located in the casing, and the shaft sleeve is sleeved on the output shaft.
2. A hand-push garden tool according to claim 1, characterized in that: At least two wheel hub motors are provided, and each wheel hub motor is independently controlled.
3. A hand-push garden tool according to claim 1, characterized in that: There is a certain gap between the wheel and the housing, and the range of the gap is 1-15 mm.
4. A hand-push garden tool according to claim 1, characterized in that: The fixing part comprises an axle fixing seat, the axle fixing seat is fixed on the housing, and a first fixing piece is arranged on the axle fixing seat, and the first fixing piece is sleeved on the output shaft.
5. A hand-push garden tool according to claim 1, characterized in that: The shaft sleeve comprises a first shaft sleeve and a second shaft sleeve, wherein the first shaft sleeve is sleeved on the first output shaft, and the second shaft sleeve is sleeved on the second output shaft.
6. A hand-push garden tool according to claim 1, characterized in that: The support seat includes a first plane and a second plane, the first plane is fixed on the bottom wall of the housing, the second plane is fixed on the side wall of the housing, and the shaft sleeve is fixed on the first plane.
7. A hand-push garden tool according to claim 6, characterized in that: The support base includes a third plane connected to the first plane and the second plane.
8. A hand-push garden tool according to claim 7, characterized in that: The support seat includes a second fixing member, and the second fixing member is arranged on the third plane.
9. A hand-push garden tool according to claim 1, characterized in that: A support plate is arranged on the support seat, and the support plate is supported between the shaft sleeve and the housing.
10. A hand-push garden tool according to claim 6, characterized in that: A support plate is provided on the support seat, and the support plate is fixedly connected to the shaft sleeve and the first plane.
11. A hand-push garden tool according to claim 9 or 10, characterized in that: The fixing portion includes a pressing plate, and the pressing plate covers a side of the shaft sleeve opposite to the supporting plate.
12. A hand-push garden tool according to claim 11, characterized in that: The fixing portion includes a third fixing member, the third fixing member is fixed on the housing, and the third fixing member presses the pressing plate and the shaft sleeve.
13. A hand-push garden tool according to claim 12, characterized in that: One end of the third fixing member facing the pressing plate is in an arc shape adapted to the pressing plate.
14. A hand-push garden tool according to claim 1, characterized in that: The hand-push garden tool is a snow sweeper.
Citation Information
Patent Citations
Gardening tool
CN112081053A
Hand-push type gardening tool
CN215482673U