CN216163639U - Garden tool - Google Patents

Abstract

The utility model provides a garden tool, which relates to the technical field of garden tools and comprises: a housing; a power assembly; the working assembly is in transmission connection with the power assembly; the control device is electrically connected with the power assembly; the power supply device is electrically connected with the power assembly and the control device; and the liquid cooling system is used for cooling the control device by at least partially passing through the control device. The utility model solves the problems that the cooling mode of the conventional high-power control device of the garden tool in the prior art usually adopts the design modes of air cooling, improving the temperature-resistant grade of the original device or enlarging a radiating block and the like, thus forcing the volume and the cost of the product to be increased; the utility model can reduce the area of the heat dissipation structure and reduce the dependence of high-power electronic control on high-specification electronic components by utilizing the main heating source of the self oil circuit and water circuit system cooling control device.

Description

Garden tool

Technical Field

The utility model relates to the technical field of garden tools, in particular to a garden tool.

Background

The garden tool takes a chain saw or a cutting machine as an example, the chain saw is a tool for cutting trees, concrete and stone, and the cutting purpose is achieved mainly by the cutting force generated by the movement of cutting teeth on the chain; the cutting machine is used for cutting concrete, stone material and section material, and mainly utilizes the rotation of cutting blade to produce cutting force to make cutting. At present, global advocation is carried out on energy conservation and environmental protection, the share of the lithium electric tool market is sharply increased, the requirement on high-power tool products is increased, and the design cost of original devices, circuits and heat dissipation structures of a tool self control device is increased.

At present, in a cooling system of an existing garden tool, a cooling fan and a driving motor are generally coaxially fixed, a plurality of air ports are formed in a casing of the garden tool, and air inside the casing is driven to circulate through the rotation of the cooling fan, so that a series of heating devices such as a control device and a motor in the garden tool are cooled and cooled; however, with the development of industrial intelligence and integration, the cooling mode of the conventional high-power control device in the garden tool in the prior art usually adopts the design modes of air cooling, improving the temperature resistance level of the original device or increasing the heat dissipation block, and the like, so that the volume and the cost of the product are increased.

In summary, there is a need for an improved cooling device for a control device in a garden tool.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, an object of the present invention is to provide a garden tool, which is used to solve the problem that the cooling method of the conventional high-power control device of the garden tool in the prior art usually adopts air cooling, increases the temperature resistance level of the original device, or increases the design methods of the heat dissipation block, which increases the volume and cost of the product.

To achieve the above and other related objects, the present invention provides a gardening tool, comprising: a housing; a power assembly; the working assembly is in transmission connection with the power assembly; the control device is electrically connected with the power assembly; the power supply device is electrically connected with the power assembly and the control device; and the liquid cooling system is used for cooling the control device by at least partially passing through the control device.

In an embodiment of the present invention, the control device includes: the circuit board is arranged in the shell and is integrated with a plurality of electric control components; and the radiating block is fixed on the circuit board, and a liquid cooling pipeline is arranged on the radiating block in a penetrating manner.

In an embodiment of the utility model, the liquid cooling system is communicated with the heat dissipation block through a pipeline.

In an embodiment of the present invention, the heat dissipation block is vertically provided with a plurality of heat dissipation fins.

In an embodiment of the present invention, adapters are installed at both ends of the liquid cooling pipeline, and the liquid cooling pipeline is communicated with a pipeline in the liquid cooling system through the adapters.

In an embodiment of the present invention, the liquid cooling system is an oil cooling device, and the oil cooling device is configured to lubricate the working assembly and cool the control device.

In an embodiment of the present invention, the oil cooling device includes: an oil can; the filter is arranged in the oil can and is communicated with a heat dissipation block in the control device through a pipeline; an oil pump; one end of the oil inlet pipe is communicated with the heat dissipation block in the control device, and the other end of the oil inlet pipe is communicated with the oil pump; and one end of the oil outlet pipe is communicated with the heat dissipation block, and the other end of the oil outlet pipe is communicated with the oil pump. And one end of the oil pump pipeline is communicated with the oil pump, and the other end of the oil pump pipeline is installed on the working assembly and is lubricated by the oil flowing out of the oil pump pipeline.

In one embodiment of the present invention, the chainsaw assembly comprises: one end of the guide plate is fixedly connected with the shell, and the other end of the guide plate extends to the outer side of the shell; the chain is arranged around the side wall of the guide plate; and the chain wheel is in transmission connection with the power assembly and meshed with the chain.

In an embodiment of the present invention, the guide plate is provided with an oil supply hole, and the oil supply hole is connected to the oil pump pipeline.

In an embodiment of the utility model, the liquid cooling system is a water cooling device, and the water cooling device cools the cutting assembly and the control device.

In an embodiment of the present invention, the water cooling apparatus includes: the water inlet joint is communicated with an external water source; the water valve is arranged on the shell and is communicated with the water inlet joint through a pipeline; the spray header is fixed on the protective cover in the cutting assembly and faces the cutting blade in the cutting assembly; one end of the water inlet pipe is communicated with the heat dissipation block, and the other end of the water inlet pipe is communicated with the water valve; and one end of the water outlet pipe is communicated with the heat dissipation block, and the other end of the water outlet pipe is communicated with the spray header.

In an embodiment of the present invention, the main handle and the auxiliary handle are disposed on the housing, and the power supply device is installed between the main handle and the auxiliary handle.

In an embodiment of the utility model, the power device is a battery pack, and the battery pack is detachably mounted on the garden tool. As described above, the garden tool of the present invention has the following beneficial effects:

1. the main heating source of the control device is cooled by utilizing the self oil circuit and water circuit system, so that on one hand, the area of a heat dissipation structure is reduced, and the resource utilization rate is high; on the other hand, the dependence of high-power electronic control on high-specification electronic original devices is reduced, and the advantages of small size, simplicity in installation, low cost and the like are achieved.

Drawings

FIG. 1 is a schematic view of a chain saw as a garden tool according to the present invention;

FIG. 2 shows an isometric view of a garden tool as a chain saw, according to the present invention;

FIG. 3 is an internal perspective view of a control device in the chain saw for a garden tool according to the present invention;

FIG. 4 is a schematic view of the interior of the power assembly and the oil outlet pipe of the chain saw as a garden tool according to the present invention;

FIG. 5 is a plan view of a garden tool of the present invention showing the connection between the control unit and the oil cooling unit of the chain saw;

FIG. 6 is a side view of a control device of a garden tool according to the present invention;

FIG. 7 is an isometric view of a garden tool being a cutting machine according to the present invention;

FIG. 8 is an isometric view of a water cooling device in the cutting machine of one garden tool of the present invention;

fig. 9 is an enlarged view of a portion a in fig. 8, mainly showing a schematic connection diagram of the water inlet pipe, the water outlet pipe and the heat dissipation block.

Description of the element reference numerals

1. A housing; 11. a main handle; 12. protecting hands; 13. a trigger is switched on and off; 14. an auxiliary handle; 15. a brake handle; 16. an outer shroud; 2. a power supply device; 21. a battery pack cavity; 3. a power assembly; 31. a drive shaft; 4. a control device; 41. a circuit board; 42. a heat dissipating block; 421. a liquid cooling pipe; 43. a heat dissipating fin; 44. an adapter; 5. a chainsaw assembly; 51. a guide plate; 511. an oil supply hole; 512. a kidney-shaped hole; 52. a chain; 53. a sprocket; 6. an oil cooling device; 61. an oil can; 62. a filter; 63. an oil pump; 64. an oil inlet pipe; 65. an oil outlet pipe; 66. an oil pump line; 7. a cutting assembly; 71. a shield; 72. cutting the slices; 8. a water cooling device; 81. a water inlet joint; 82. a water valve; 83. a shower head; 84. a water inlet pipe; 85. and (5) discharging a water pipe.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

Please refer to fig. 1 to 9. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a gardening tool, including: a power assembly 3; the working assembly is in transmission connection with the power assembly 3; the control device 4 is electrically connected with the power assembly 3; the power supply device 2 is electrically connected with the power assembly and the control device 4; and the liquid cooling system is arranged on the control device 4 or the working assembly to realize cooling of the control device 4.

In the present invention, the garden tool may be a chain saw or a cutter, and it should be noted that the garden tool may also be other tools having a function of cutting trees, concrete, and stone. When the garden tool is a chain saw, the working assembly in the garden tool is a chain saw assembly 5, and the corresponding liquid cooling system is an oil cooling device 6; when garden instrument is the cutting machine, the work assembly among the garden instrument is cutting assembly 7, and the liquid cooling system that corresponds is water cooling plant 8.

The first embodiment is as follows:

referring to fig. 1 to 6, in the present embodiment, the garden tool is a chain saw, and includes a housing 1, a power assembly 3, a chain saw assembly 5, a control device 4, a power supply device 2, and an oil cooling device 6. The power assembly 3, the control device 4 and the oil cooling device 6 are all fixedly arranged in the casing 1, the power supply device 2 is arranged on the casing 1, and the power assembly 3, the control device 4 and the power supply device 6 are electrically connected; the part of the chain saw assembly 5 is arranged in the machine shell 1, the main part extends outside the machine shell 1, and the part of the chain saw assembly 5 arranged in the machine shell 1 is connected with the power assembly 3 in a transmission way.

Referring to fig. 1 and fig. 2, in the present embodiment, the housing 1 includes two shells matching with each other, and the two shells are spliced to form the housing 1 having a cavity; one end of the machine shell 1, which is far away from the chain saw assembly, is hollowed, a main handle 11 is formed on the upper side of the hollowed position, a hand guard 12 is formed on the lower side of the hollowed position, and the length direction of the main handle 11 is approximately parallel to the extending direction of the chain saw assembly 5; a switch trigger 13 is arranged on the inner side of the main handle 11, and the switch trigger 13 is electrically connected with the control device 4 in the shell 1, so that the arrangement of the parts is convenient for a user to control the start and stop of the chain saw. In addition, the auxiliary handle 14 is fixed on the position of the machine shell 1, extending out of the machine shell 1, of the chain saw assembly 5, so that the convenience of holding the device by a worker can be guaranteed, and in addition, the stability can be guaranteed by holding the device by two hands; the shell 1 is also rotatably connected with a brake handle 15, the brake handle 15 is arranged between the auxiliary handle 14 and the chain saw assembly 5, and when the chain saw needs to work, the chain saw can be started only by pulling the brake handle 15 backwards; when the chain saw is bouncing, the brake handle 15 moves forward and the chain saw stops working. In addition, the brake handle 15 can also prevent the generated wood chips or scraps from splashing to a user when the chain saw is in cutting operation, thereby improving the operation safety.

Referring to fig. 3 and 4, in the present embodiment, the power supply device 2 includes a battery pack cavity 21 and a battery pack (not shown). Wherein, a battery pack cavity 21 is formed on the machine shell 1 and is positioned between the main handle 11 and the chain saw assembly 5, and the battery pack is detachably arranged in the battery pack cavity 21; a plurality of terminals (not shown) are mounted at the bottom of the battery pack cavity 21 and are electrically connected with the circuit board 41 in the control device 4 and the motor in the power assembly 3; the battery pack installed in the battery pack cavity 21 can be electrically connected with the control device 4 and the power assembly 3 through the terminals, and power can be supplied to the control device 4 and the power assembly 3. Further, a battery pack chamber 21 is provided behind the chain saw drive motor between the main handle 11 and the auxiliary handle 14. Such that the heavier battery pack can be matched to balance the chain cantilevered from the other side of the chainsaw assembly.

Referring to fig. 4, in the present embodiment, the power assembly 3 includes a motor (not shown), a transmission gear set (not shown), and a transmission shaft 31. The motor is fixed inside the machine shell 1, an output shaft of the motor is coaxially fixed with a driving gear in the transmission gear set, and the driving gear and a driven gear in the transmission gear set are meshed with each other, so that the transmission shaft 31 coaxially fixed with the driven gear in the transmission gear set can be driven to rotate, the chain 52 in the chain saw assembly 5 is driven to run, and cutting operation is achieved.

Referring to fig. 1 and 2, in the present embodiment, the chainsaw assembly 5 includes a guide plate 51, a chain 52, and a sprocket 53. Waist type hole 512 has been seted up to the one end of deflector 51, and the length direction of waist type hole 512 is parallel with the length direction of deflector 51, and the bolt passes waist type hole 512 and fixes deflector 51 on casing 1, and the deflector 51 other end extends in the casing 1 outside, and in addition, the position that corresponds the deflector 51 and connect on casing 1 still is fixed with an outer casing 16, through the one end centre gripping of deflector 51 in casing 1 and outer casing 16, guarantees the stability of deflector 51 installation. The chain wheel 53 is coaxially fixed with the transmission shaft 31 and is positioned close to the guide plate 51, the chain 52 is arranged around the side wall of the guide plate 51, part of the chain 52 is meshed with the chain wheel 53, and the chain 52 can rotate at high speed under the driving of the chain wheel 53 so as to perform cutting operation.

Referring to fig. 1, an oil supply hole 511 is formed in the guide plate 51, the oil supply hole 511 is formed at one end of the guide plate 51 connected to the casing 1 and is located near a side wall of the guide plate 51, and by connecting the oil outlet pipe 65 of the oil cooling device 6 to the oil supply hole 511, the lubricating oil can flow out of the oil supply hole 511, thereby performing a lubricating function when the chain 52 rotates at a high speed.

Referring to fig. 5 and 6, in the present embodiment, the control device 4 includes a circuit board 41 and a heat dissipation block 42. The circuit board 41 is arranged inside the casing 1, and various electric control components are integrated on the circuit board 41; the radiating block 42 is fixed on the circuit board 41, the liquid cooling pipeline 421 is arranged on the radiating block 42 in a penetrating mode, the liquid cooling pipeline 421 is arranged along the length direction of the radiating block 42, and two ends of the liquid cooling pipeline 421 are communicated with pipelines in the oil cooling device 6. It should be noted that, the heat dissipation block 42 is made of an aluminum material, and the heat dissipation performance of the circuit board 41 can be improved due to the characteristic of excellent thermal conductivity of the aluminum material; the oil path in the oil cooling device 6 in the chain saw is communicated with the liquid cooling pipeline 521, so that oil liquid flows in the liquid cooling pipeline 521, the heat of the circuit board 41 is taken away, and the temperature of the circuit board 41 is reduced.

Referring to fig. 5 and 6, a plurality of heat dissipation fins 43 are vertically arranged on the heat dissipation block 42, the plurality of heat dissipation fins 43 are arranged on the heat dissipation block 42 at intervals, and the length of each heat dissipation fin 43 is the same as the length of the heat dissipation block 42; in the present embodiment, five heat dissipation fins 43 are provided on the heat dissipation block 42, and the height of the heat dissipation fins 43 located on both sides of the width direction of the heat dissipation block 42 is lower than that of the heat dissipation fins 43 located in the middle, so that the top of the heat dissipation fins 43 is tapered. In addition, the adapters 44 are installed at two ends of the liquid cooling pipeline 421, and the liquid cooling pipeline 421 is communicated with the pipeline in the oil cooling device 6 through the adapters 44, so that the sealing performance of the communication between the liquid cooling pipeline 421 and the oil cooling device 6 can be improved.

Referring to fig. 5 and 6, in the present embodiment, the oil cooling device 6 includes an oil can 61, a filter 62, an oil pump 63, an oil inlet pipe 64, an oil outlet pipe 65, and an oil pump pipeline 66. The oil pot 61 is arranged in the machine shell 1, and can contain fluid such as lubricating oil or cooling oil in the oil pot; the filter 62 is hung in the oil can 61, the filter 62 is communicated with one end of the oil inlet pipe 64, the oil inlet pipe 64 penetrates through the can wall of the oil can 61 and extends to the outer side of the oil can 61, the other end of the oil inlet pipe 61 is communicated with the adapter 44 at one end of the liquid cooling pipeline 421 in the radiating block 42, the adapter 44 at the other end of the liquid cooling pipeline 421 in the radiating block 42 is communicated with one end of the oil outlet pipe 65, the other end of the oil outlet pipe 65 is communicated with the oil pump 63, one end of the oil pump pipeline 65 is communicated with the oil pump 63, the other end of the oil pump pipeline 65 is installed on the oil supply hole 511 on the guide plate 51, and oil flowing out through the oil pump pipeline 65 lubricates the chain 52 in the chain saw assembly 5;

the oil pump 63 in this embodiment integrates a driving liquid flowing device provided by the oil pump 63 with a motor, that is, a worm wheel inside the oil pump 63 is coaxially fixed with a rotating shaft of the motor, and the oil pump is driven by the motor to normally work, so that the structural arrangement mode can reduce the overall weight and volume of the chain saw on one hand, and thus reduce the manufacturing cost of the chain saw; on the other hand, the driving motor in the oil pump 63 is removed, so that the heat source in the chain saw can be reduced, and the performance requirement of the chain saw on a heat dissipation device is reduced.

When the chain saw is used for cutting, the chain 52 frequently rubs against the guide plate 51, and the friction coefficient between the chain 52 and the guide plate 51 needs to be reduced by adjusting lubricating oil, so that the chain 52 is protected, and the service life of the chain saw is prolonged. In the embodiment, the oil outlet pipe 65 and the oil inlet pipe 64 in the oil cooling device 6 are communicated with the liquid cooling pipeline 421 on the heat dissipation block 42, so that when the chain saw works, the lubricating liquid for lubricating the chain 52 circulates and passes through the circuit board 41, the temperature on the circuit board 41 is absorbed by the lubricating liquid, and the effect of cooling the circuit board 41 is achieved; in addition, in the embodiment, the oil cooling device 6 which is contained in the chain saw is adopted as the cooling device of the control device 4, and the control device is cooled by communicating the oil cooling device 6 with the control device 4, so that the problem that the temperature of the control device 4 is high when the cutting machine works for a long time is solved; on the other hand, the problem that the conventional high-power electronic control depends on a high-specification electronic original device (the high-specification electronic original device has a high heat-resisting grade) is solved.

Example two:

referring to fig. 7 to 9, in the present embodiment, the garden tool is a cutting machine, and includes a housing 1, a power assembly 3, a cutting assembly 7, a control device 4, a power supply device 2, and a water cooling device 8. The power assembly 3 and the control device 4 are both fixedly arranged in the casing 1, the power supply device 2 is arranged on the casing 1, and the power assembly 3, the control device 4 and the power supply device 2 are electrically connected; the cutting assembly 7 is connected to the outside of the machine housing 1 by a drive shaft 31 in the power assembly 3.

Referring to fig. 7 to 9, it should be noted that, in the present embodiment, the housing 1, the power assembly 3, the control device 4, and the power supply device 2 of the cutting machine are similar to the housing 1, the power assembly 3, the control device 4, and the power supply device 2 of the chain saw of the first embodiment in terms of structure principle, and there is no obvious difference; the main differences between the cutting machine and the chain saw are the working assembly and the liquid cooling system, and the installation mode of the power assembly.

Referring to fig. 7 to 9, in the embodiment, the motor in the power assembly 3 is fixed on the casing 1 and located at one side of the casing 1 close to the cutting assembly 7, and the transmission gear set in transmission connection with the motor is disposed obliquely upward, the casing outside the transmission gear set is fixedly connected with the cutting assembly 7 by means of bolt fixing,

referring to fig. 7 to 9, in the present embodiment, the cutting assembly 7 includes a shield 71 and a cutting blade 72. The guard shield 71 is fixedly connected with the shell on the outer side of the transmission gear set, the guard shield 71 is arranged on the outer side of the cutting blade 72 in a protection mode to prevent an operator from being injured when contacting the cutting blade 72 in the operation process, a connecting through hole (not marked in the figure) is formed in the side wall of the guard shield 71 and penetrates through the side wall of the guard shield 71, and the transmission shaft 31 of the power assembly 3 can penetrate through the connecting through hole to be coaxially fixed with the cutting blade 72. The through direction of the connecting through holes can be parallel to the extending direction of the rotating shaft of the cutting blade 72, and can also be slightly inclined as required so as to spray the cooling liquid to the designated position on the surface of the cutting blade 72.

Referring to fig. 7 to 9, in the present embodiment, the water cooling device 8 includes a water inlet connector 81, a water valve 82, a shower head 83, a water inlet pipe 84 and a water outlet pipe 85. Wherein, water supply connector 81 is fixedly installed on the casing 1 of the cutting machine and is positioned at the position of the hand guard 12 of the casing 1, and the external cooling liquid supply pipeline which can be very conveniently matched is connected. It should be noted that when the coolant is water, the coolant may be communicated with a water supply port of a tap water supply pipeline or other water supply device through the water inlet connector 81, and the tap water supply pipeline or other water supply device is an external structure, and does not belong to the essential structure of the present invention, and therefore, the details are not described herein.

The water valve 82 is fixed on the casing 1 and located at a position on the casing 1 where the auxiliary handle 14 is connected with the casing 1, the water valve 82 is communicated with the water inlet connector 81 through a pipeline, and a position on the casing 1 corresponding to the position where the pipeline is laid is provided with a jack (not marked in the figure), so that the pipeline can pass through the jack to realize the function of fixing the pipeline. One end of the water inlet pipe 84 is communicated with the water valve 82, and the other end of the water inlet pipe 84 is communicated with one end of the liquid cooling pipeline 421 in the heat dissipation block 42; one end of the water outlet pipe 85 is communicated with the other end of the liquid cooling pipeline 421, and the other end of the water outlet pipe 85 is communicated with the spray header 43. Further, the shower head 43 is mounted on the shield 71 through a bracket with its shower portion facing the cutting blade 72; in addition, a plurality of hoop structures are further fixed on the box body of the transmission gear set, and the water outlet pipe 85 is fixed on the box body of the transmission gear set through the hoop structures.

The cutting machine can produce a large amount of heat energy and dust when cutting work, in order to ensure operating environment and promote cutting efficiency, generally add the water route on the machine, supply the cutting work position through water valve 82 switch break-make, play dust fall, cooling action. In the embodiment, the water inlet pipe 84 and the water outlet pipe 85 in the water cooling device 8 are communicated with two ends of the liquid cooling pipeline 421, so that when the cutting machine works, cooling liquid for dust fall and cooling the cutting blade 72 circulates and passes through the circuit board 41, and the cooling liquid absorbs the temperature on the circuit board 41, thereby achieving the effect of cooling the circuit board 41; in addition, in the embodiment, the cooling device of the control device 4 adopts the water cooling device 8 which is contained in the cutting machine, and the control device 4 is cooled by communicating the water cooling device 8 with the control device 4, so that on one hand, the problem that the temperature of the control device 4 is high when the cutting machine works for a long time is solved; on the other hand, the problems of complex traditional air-cooled heat dissipation structure and high cost are solved.

In summary, in the current high-power garden tools, the cooling method of the self-control device usually adopts the design methods of air cooling, improving the temperature-resistant grade of the original device or enlarging the heat dissipation block, etc.; the air cooling design scheme is complex in structure, the size of the whole cooling device is large, the whole installation space and the design requirement of the balance weight need to be considered under the narrow installation space in the garden tool case, the design difficulty is increased, and the manufacturing cost is high; the scheme for improving the temperature resistance level of the original electronic device increases the manufacturing cost because the high-specification original electronic device on the market is higher in price compared with the conventional original electronic device; the design scheme of enlarging the radiating block also occupies more mounting space inside the garden tool, and the volume of the whole device is increased, so that the manufacturing cost is increased. The main heating source of the cooling control device is cooled by utilizing the self oil circuit and water circuit system, so that on one hand, the area of a heat dissipation structure is reduced, and the resource utilization rate is high; on the other hand, the dependence of high-power electronic control on high-specification electronic original devices is reduced, and the advantages of small size, simplicity in installation, low cost and the like are achieved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (13)

1. A garden tool, comprising:

a housing;

a power assembly;

the working assembly is in transmission connection with the power assembly;

the control device is electrically connected with the power assembly;

the power supply device is electrically connected with the power assembly and the control device;

and the liquid cooling system is used for cooling the control device by at least partially passing through the control device.

2. The gardening tool according to claim 1, wherein: the control device includes:

the circuit board is arranged in the shell and is integrated with a plurality of electric control components;

and the radiating block is fixed on the circuit board, and a liquid cooling pipeline is arranged on the radiating block in a penetrating manner.

3. The cutting tool of claim 2, wherein: the liquid cooling system is communicated with the radiating block through a pipeline.

4. The gardening tool according to claim 2, wherein: a plurality of radiating fins are vertically arranged on the radiating block.

5. The gardening tool according to claim 3, wherein: the adapter is installed at both ends of the liquid cooling pipeline, and the liquid cooling pipeline is communicated with the pipeline in the liquid cooling system through the adapter.

6. The gardening tool according to claim 1, wherein: the liquid cooling system is an oil cooling device, and the oil cooling device is used for lubricating the working assembly and cooling the control device.

7. The gardening tool according to claim 6, wherein: the oil cooling device includes:

an oil can;

the filter is arranged in the oil can and is communicated with a heat dissipation block in the control device through a pipeline;

an oil pump;

one end of the oil inlet pipe is communicated with the heat dissipation block in the control device, and the other end of the oil inlet pipe is communicated with the oil pump;

and one end of the oil outlet pipe is communicated with the heat dissipation block, and the other end of the oil outlet pipe is communicated with the oil pump.

And one end of the oil pump pipeline is communicated with the oil pump, and the other end of the oil pump pipeline is installed on the working assembly and is lubricated by the oil flowing out of the oil pump pipeline.

8. The gardening tool according to claim 7, wherein: the chainsaw assembly includes:

one end of the guide plate is fixedly connected with the shell, and the other end of the guide plate extends to the outer side of the shell;

the chain is arranged around the side wall of the guide plate;

and the chain wheel is in transmission connection with the power assembly and meshed with the chain.

9. The gardening tool according to claim 8, wherein: an oil supply hole is formed in the guide plate and is connected with the oil pump pipeline.

10. The gardening tool according to claim 1, wherein: the liquid cooling system is a water cooling device, and the water cooling device cools the cutting assembly and the control device.

11. The gardening tool according to claim 10, wherein: the water cooling device comprises:

the water inlet joint is communicated with an external water source;

the water valve is arranged on the shell and is communicated with the water inlet joint through a pipeline;

the spray header is fixed on the protective cover in the cutting assembly and faces the cutting blade in the cutting assembly;

one end of the water inlet pipe is communicated with the heat dissipation block, and the other end of the water inlet pipe is communicated with the water valve;

and one end of the water outlet pipe is communicated with the heat dissipation block, and the other end of the water outlet pipe is communicated with the spray header.

12. The gardening tool according to claim 1, wherein: the shell is provided with a main handle and an auxiliary handle, and the power supply device is installed between the main handle and the auxiliary handle.

13. The gardening tool according to claim 12, wherein: the power supply device is a battery pack, and the battery pack is detachably mounted on the garden tool.

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