Heat dissipation structure of gardening tool and gardening tool

Abstract

The utility model provides a gardening tool heat dissipation structure and a gardening tool, the gardening tool heat dissipation structure comprises a support frame, the support frame comprises a first frame, a second frame and a third frame which are arranged in sequence; the first frame is used for configuring a battery module, an air inlet allowing an air body to flow in and an air outlet allowing the air body to flow out are formed in the first frame, and the air body passes through the battery module in the flowing process; the second frame is communicated with the air outlet and guides the air body to the third frame; a fan is arranged in the third frame and used for driving air to flow in the supporting frame and flow out of the third frame. According to the utility model, the axial fan of the generator is combined with the frame structure, so that the battery pack of the mowing vehicle can be cooled, and the whole structure is simple without adding other devices.

Description

Technical Field

[0001] The utility model relates to the technical field of garden tools, in particular to a heat dissipation structure of garden tools and corresponding garden tools. Background Art

[0002] At present, lithium-powered lawn mowers or lithium-powered lawn mowers equipped with generators have no heat dissipation structure at the lithium battery part, which leads to the battery overheating during the mowing process, which easily triggers the protection and causes shutdown. The patent number CN107094418A discloses an improvement of a new type of lawn mower that is easy to adjust. The lower part of the handle bar is connected to the upper part of the upper shell of the lawn mower, the control switch is arranged on the handle bar, the heat dissipation device is arranged on the upper shell of the lawn mower, the lawn mower motor is arranged in the upper shell of the lawn mower, the lawn mower motor is connected to the lawn mower mechanism through a transmission device, and several tripods are respectively arranged at the lower part of the upper shell of the lawn mower, and a height adjustment device is arranged below the tripod, and a caster is arranged below the height adjustment device, and the lawn mower mechanism is arranged inside the upper shell of the lawn mower. The heat dissipation device is arranged at the upper part of the upper shell of the lawn mower, and the heat dissipation device includes a heat dissipation fan, and the air outlet direction of the heat dissipation fan is upward. This type of heat dissipation structure needs to be equipped with a heat dissipation fan, and the heat dissipation effect is limited, which is difficult to meet the heat dissipation requirements of the battery. Utility Model Content

[0003] The utility model aims to avoid the deficiencies of the prior art and provides a heat dissipation structure of a garden tool for efficiently dissipating heat from a battery and a corresponding garden tool.

[0004] The utility model solves the technical problem by adopting the following technical solution: a heat dissipation structure of a garden tool, comprising a support frame, wherein the support frame comprises a first frame, a second frame and a third frame arranged in sequence;

[0005] The first frame is used to configure the battery module, and the first frame is respectively provided with an air inlet for the air supply body to flow in and an air outlet for the air supply body to flow out, and the air body passes through the battery module during the flow process;

[0006] The second frame is connected to the air outlet and guides the wind to the third frame;

[0007] A fan is arranged in the third frame, and the fan is used to drive the air to flow in the supporting frame and flow out from the third frame.

[0008] In several embodiments, at least two battery modules are disposed in the first frame, and the positions and numbers of the air outlets and the air inlets correspond to the positions and numbers of the battery modules.

[0009] In several embodiments, the air inlet and the air outlet are respectively disposed on opposite sides of the battery module.

[0010] In several embodiments, the third frame is used to connect a generator.

[0011] In several embodiments, the second frame includes a cavity 1 and a cavity 2 which are connected to each other, the cavity 1 is close to the air outlet, and the width of the cavity 1 is greater than the width of the cavity 2.

[0012] And, a garden tool including the heat dissipation structure also includes a frame body, and the support frame is arranged at the rear end of the frame body.

[0013] In several embodiments, a mowing unit and a walking unit are provided at the lower end of the frame body, the mowing unit is used to perform a mowing action, and the walking unit is used to drive the frame body to move.

[0014] In several embodiments, a seat is disposed at the upper end of the frame body, and the support frame is disposed behind the seat.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model can dissipate heat from the battery pack of the lawn mower by combining the axial flow fan of the generator with the frame structure. The overall structure is simple and does not require the installation of other devices.

[0017] 2. The utility model forms an air duct for dissipating heat from the battery inside through the specific structure of multiple frames, thereby providing a stable heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.

[0019] Figure 1 The overall structure of the garden tool in Example 1 is schematically shown;

[0020] Figure 2 Schematically shows Figure 1 The enlarged structure of the heat dissipation structure in the middle;

[0021] Figure 3 Schematically shows Figure 1 The structure of the middle support frame. DETAILED DESCRIPTION

[0022] Below, the embodiments of the present invention are described in detail. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in combination with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Therefore, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the present invention for protection, but merely represents selected embodiments of the present invention. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the present invention are within the scope of protection of the present invention.

[0024] The terms used herein are intended to explain the embodiments and are not intended to limit and / or define the present invention.

[0025] Example 1

[0026] like Figure 1-Figure 3 As shown, the garden tool in this embodiment mainly includes a frame body 1 and a support frame arranged at the rear end of the frame body 1, a mowing unit 3 and a walking unit are arranged at the lower end of the frame body 1, the mowing unit 3 is used to perform mowing actions, the mowing unit 3 is a conventional mowing structure in the field, and no further limitation is made here, the walking unit is used to drive the frame body 1 to move, and the walking unit here includes two universal wheels 2 arranged at the front end of the frame body 1 and two walking wheels 4 arranged at the rear end, and a seat 7 is arranged at the upper end of the frame body 1, the support frame is arranged behind the seat 7, and a control system 6 is configured on one side of the seat 7, and the control of driving and mowing is realized by the control system 6, which is a conventional control method in the field and no further limitation is made here.

[0027] Specifically, the supporting frame includes a first frame 8, a second frame 9 and a third frame 10-2 which are arranged in sequence.

[0028] Among them, the first frame 8 is used to configure at least two battery modules 11, and the first frame 8 is respectively provided with an air inlet 8-1 for the air flow in and an air outlet 8-2 for the air flow out, and the air body passes through the battery module 11 during the flow, and the position and number of the air outlet 8-2 and the air inlet 8-1 correspond to the position and number of the battery module 11, and the air inlet 8-1 and the air outlet 8-2 are respectively arranged on the opposite sides of the battery module 11.

[0029] In addition, the second frame 9 is connected to the air outlet 8-2 and guides the wind to the third frame 10-2. The second frame 9 includes a cavity 1 and a cavity 2 that are connected to each other. The cavity 1 is close to the air outlet 8-2, and the width of the cavity 1 is greater than the width of the cavity 2.

[0030] Furthermore, the third frame 10 - 2 is used to connect the generator 10 , and the generator 10 is connected to the fan 10 - 1 . The fan 10 - 1 is a built-in accessory of the generator 10 and does not need to be installed.

[0031] like Figure 3As shown, the direction of the arrow is the direction of air flow. When the engine 10 is running, the centrifugal fan 10-1 rotates, and air enters from the air inlet 8-1 of the first frame 8, flows through the battery module 11 to cool it, and then flows into the second frame 9 from the air outlet 8-2, and is finally discharged from the third frame 10-2 to achieve cooling.

[0032] The examples shown in the utility model, the embodiments and special forms of the representation have been shown and described in detail in the drawings and the foregoing description, and should also be considered to be illustrative rather than restrictive. The description of special features in one embodiment does not mean that those special features are necessarily limited to that embodiment. The features of one embodiment can be used in combination with the features of other embodiments, which can be understood by those of ordinary skill in the art, whether or not explicitly described in this way. Exemplary embodiments have been shown and described, and all changes and improvements fall into the spirit of the utility model and are expected to be protected.

Claims

1. A heat dissipation structure for a garden tool, comprising a support frame, characterized in that: The supporting frame comprises a first frame (8), a second frame (9) and a third frame (10-2) which are arranged in sequence; The first frame (8) is used to configure the battery module (11), and the first frame (8) is respectively provided with an air inlet (8-1) for air to flow in and an air outlet (8-2) for air to flow out, and the air passes through the battery module (11) during the flow process; The second frame (9) is connected to the air outlet (8-2) and guides the air to the third frame (10-2); A fan (10-1) is arranged in the third frame (10-2), and the fan (10-1) is used to drive the wind to flow in the supporting frame and flow out of the third frame (10-2).

2. The heat dissipation structure of a garden tool according to claim 1, characterized in that: At least two battery modules (11) are arranged in the first frame (8), and the positions and numbers of the air outlets (8-2) and the air inlets (8-1) correspond to the positions and numbers of the battery modules (11).

3. The heat dissipation structure of a garden tool according to claim 2, characterized in that: The air inlet (8-1) and the air outlet (8-2) are respectively arranged on two opposite sides of the battery module (11).

4. The heat dissipation structure of a garden tool according to claim 3, characterized in that: The third frame (10-2) is used to connect the generator (10).

5. The heat dissipation structure of a garden tool according to claim 1, characterized in that: The second frame (9) comprises a cavity one and a cavity two which are connected to each other, the cavity one is close to the air outlet (8-2), and the width of the cavity one is greater than the width of the cavity two.

6. A garden tool, characterized in that: The garden tool comprises the heat dissipation structure of any one of claims 1 to 5, wherein the garden tool further comprises a frame body (1), and the support frame is arranged at the rear end of the frame body (1).

7. A garden tool according to claim 6, characterized in that: A mowing unit (3) and a walking unit are provided at the lower end of the vehicle frame (1); the mowing unit (3) is used to perform a mowing action, and the walking unit is used to drive the vehicle frame (1) to move.

8. A garden tool according to claim 7, characterized in that: A seat (7) is arranged at the upper end of the vehicle frame (1), and the support frame is arranged behind the seat (7).

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