Waterproof structure of lithium battery of mower

Abstract

The waterproof structure comprises an upper shell and a cover body, a containing cavity is formed in the upper shell, at least one containing opening used for containing the lithium battery is formed in the portion, in the containing cavity, of the upper shell, the upper shell is provided with a covering edge around the containing cavity, and the covering edge covers the containing cavity. The upper shell is provided with a covering edge, the upper shell is provided with a rotating part on one side of the covering edge, the cover body is connected to the upper shell through the rotating part, the cover body rotatably covers the covering edge so as to cover the containing cavity, and a drainage waterway is formed between the rotating part and the covering edge. The waterproof structure has the effect of improving the waterproof sealing performance.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of lawn mower parts, in particular to a waterproof structure of a lithium battery of a lawn mower. BACKGROUND

[0002] The lawn mower is a mechanical tool for trimming lawns, vegetation and the like, which saves the working time of the weeding workers and reduces a large amount of human resources.

[0003] At present, a power assembly and a garden tool are disclosed in Chinese Patent No. 2018115948005, the power assembly comprising a shell and a driving device, a power supply device and a wind deflector accommodated in the shell, the driving device comprising a driving motor provided with a motor blade and a control board assembly, and the power supply device being used for providing power for the driving device.

[0004] The shell comprises a first shell, a second shell and a third shell arranged on the first shell, and the first shell, the second shell and the third shell jointly form an accommodation cavity for accommodating the driving device and the power supply device. The first shell and the second shell are snap-fitted, and the second shell is provided with a cover body for accommodating the empty cover to be arranged above the accommodating hole, and the accommodating hole is used for allowing the power supply device to pass through.

[0005] According to the related technology in the above, the inventor considers that when the cover body is mounted on the second shell, the waterproof sealing property between the cover body and the second shell is insufficient, and rainwater or other water bodies are likely to enter the inside of the shell from the gap between the cover body and the second shell, so that there is room for improvement. CONTENT OF THE UTILITY MODEL

[0006] In order to improve the waterproof sealing property, the application provides a waterproof structure of a lithium battery of a lawn mower.

[0007] The waterproof structure of the lithium battery of the lawn mower provided by the application adopts the following technical scheme:

[0008] The waterproof structure of the lithium battery of the lawn mower comprises an upper shell and a cover body, the upper shell is provided with an accommodation cavity, the upper shell is provided with at least one accommodating opening for placing the lithium battery in the accommodation cavity, the upper shell is provided with a lapping edge around the accommodation cavity, the upper shell is provided with a rotating part on one side of the lapping edge, the cover body is connected to the upper shell through the rotating part, the cover body is rotatably lapped on the lapping edge to cover the accommodation cavity, and a drainage waterway is formed between the rotating part and the lapping edge.

[0009] Preferably, the upper shell is provided with a mounting opening on one side of the lapping edge, and the rotating part is arranged in the mounting opening and seals the mounting opening.

[0010] Preferably, the rotating part comprises a mounting cover and a rotating shaft, the mounting cover is fixed on the upper shell and seals the mounting port, the rotating shaft is arranged between the mounting cover and the upper shell, and the cover body is connected to the rotating shaft;

[0011] The upper shell is provided with a drainage groove at the side of the cover edge, the drainage groove is communicated with the cover edges on both sides, and the upper surface of the mounting cover and the drainage groove form the drainage waterway.

[0012] Preferably, the rotating shaft is provided with two rotating shafts arranged on both sides of the mounting cover to be connected to the cover body.

[0013] Preferably, a plurality of receiving pieces are arranged on the mounting cover, the rotating shaft is placed on the receiving piece, a plurality of mounting pieces are arranged on the cover body, and mounting holes for inserting the rotating shaft are arranged on the mounting pieces.

[0014] Preferably, the mounting cover is provided with a first stop piece abutting one side of the rotating shaft, and the upper shell is provided with a second stop piece abutting the other side of the rotating shaft.

[0015] Preferably, the upper surface of the mounting cover is provided with a limiting table, and the limiting table is arranged between adjacent two mounting pieces.

[0016] Preferably, the upper shell is provided with a water guide groove on both sides of the mounting port, the water guide groove is located below the edge of the cover body, and the water guide groove is communicated with the drainage groove.

[0017] In summary, the present application has at least one of the following beneficial technical effects:

[0018] In the present application, the cover body is rotatably covered on the cover edge to cover the accommodation cavity, and a drainage waterway is formed between the rotating part and the cover edge, so that when rainwater is on the cover body, the rainwater will slide down along the cover edge, but when the rainwater enters from the position of the rotating part, the rainwater can be discharged along the drainage waterway, and the waterproof sealing property can be provided through the above structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic view of the installation of the cover body on the upper shell.

[0020] Figure 2 is an exploded schematic view of the cover body on the upper shell.

[0021] Figure 3 is a first structural schematic view of the upper shell.

[0022] Figure 4 is a second structural schematic view of the upper shell.

[0023] Figure 5 is a structural diagram of the cover body.

[0024] Figure 6 is a structural diagram of the cover body.

[0025] Figure 7 is a third structural diagram of the upper shell.

[0026] Reference signs: 1, upper shell; 2, cover body; 3, accommodating cavity; 4, accommodating opening; 5, cover edge; 6, rotating part; 61, mounting cover; 62, rotating shaft; 63, receiving piece; 64, mounting piece; 65, mounting hole; 66, first blocking piece; 67, second blocking piece; 68, limiting table; 7, mounting opening; 8, drainage groove; 9, water guide groove. DETAILED DESCRIPTION

[0027] The following will be described in detail with reference to the accompanying drawings. Figures 1-6 The application is further described in detail.

[0028] A waterproof structure of a lithium battery of a lawn mower, referring to Figure 1 and Figure 2 , comprises an upper shell 1 and a cover body 2, the upper shell 1 is provided with an accommodating cavity 3, the upper shell 1 is provided with at least one accommodating opening 4 in the accommodating cavity 3, the accommodating opening 4 is used for placing a lithium battery, the cover body 2 is covered on the upper shell 1 and covers the accommodating cavity 3, so that the protection of the lithium battery can be formed.

[0029] Referring to Figure 3 and Figure 4 , the upper shell 1 is provided with a cover edge 5 around the accommodating cavity 3, the cover edge 5 is enclosed to form a ring, the cover edge 5 is integrally formed with the upper shell 1, and the cover edge 5 is protrudingly arranged in the vertical direction. The upper shell 1 is provided with a rotating part 6 on one side of the cover edge 5, the rotating part 6 is arranged at a middle position of the upper shell 1, the cover body 2 is connected to the upper shell 1 through the rotating part 6, the cover body 2 is rotatably covered on the cover edge 5 to cover the accommodating cavity 3, and a drainage waterway is formed between the rotating part 6 and the cover edge 5.

[0030] The cover body 2 is rotatably covered on the cover edge 5 to cover the accommodating cavity 3, when rain and other water bodies are poured on the cover body 2, the rain can slide along the cover body 2 to the outside of the cover edge 5, so that the outside of the accommodating cavity 3 is realized. But because the cover body 2 is rotatably arranged, a rotating gap is formed between the cover body 2 and the rotating part 6, when the rain enters from the position of the rotating part 6, the rain is discharged through the drainage waterway between the rotating part 6 and the cover edge 5, so that the waterproof sealing property is improved.

[0031] The structure of the rotating part 6 will be described in detail below.

[0032] Referring to Figure 5、 Figure 6 and Figure 7 As shown in the figure, the upper shell 1 is provided with a mounting port 7 on one side of the cover edge 5, and the rotating part 6 is arranged in the mounting port 7 and seals the mounting port 7.

[0033] The rotating part 6 comprises a mounting cover 61 and a rotating shaft 62, the mounting cover 61 is fixed on the upper shell 1 and seals the mounting port 7, the mounting cover 61 is mounted from the inside of the upper shell 1, the mounting cover 61 is fixed on the upper shell 1 by screws, and the edge of the mounting cover 61 seals the port edge of the mounting port 7.

[0034] The rotating shaft 62 is arranged between the mounting cover 61 and the upper shell 1, and the cover body 2 is connected to the rotating shaft 62. In this embodiment, the rotating shaft 62 is provided with two, and the two rotating shafts 62 are arranged on both sides of the mounting cover 61 to be connected with the cover body 2.

[0035] The upper shell 1 is provided with a drainage groove 8 on the side of the cover edge 5, the drainage groove 8 is communicated with the cover edges 5 on both sides, and a drainage waterway is formed between the upper surface of the mounting cover 61 and the drainage groove 8. Thus, when rainwater enters from the position of the rotating part 6, the rainwater will fall on the mounting cover 61 and slide from the mounting cover 61 to the drainage groove 8, and can be discharged to the outside of the cover edges 5 on both sides through the drainage groove 8.

[0036] A plurality of receiving pieces 63 are arranged on the mounting cover 61, the rotating shaft 62 is placed on the receiving piece 63, the upper surface of the receiving piece 63 is provided with a receiving groove matched with the outer wall of the rotating shaft 62, a plurality of mounting pieces 64 are arranged on the cover body 2, the mounting piece 64 is provided with a mounting hole 65 for inserting the rotating shaft 62, the rotating shaft 62 is inserted into the mounting hole 65 of the mounting piece 64, and then the two ends of the rotating shaft 62 are placed on the receiving piece 63, and the upper shell 1 is provided with an arc-shaped groove which is pressed on the rotating shaft 62, so as to realize the rotating assembly between the rotating shaft 62, the mounting cover 61, the upper shell 1 and the cover body 2.

[0037] Among them, the mounting cover 61 is provided with a first stop piece 66 abutting on one side of the rotating shaft 62, and the upper shell 1 is provided with a second stop piece 67 abutting on the other side of the rotating shaft 62, so as to achieve the purpose of limiting the axial movement of the rotating shaft 62.

[0038] The upper surface of the mounting cover 61 is provided with a limiting table 68, and the limiting table 68 is arranged between the adjacent two mounting pieces 64. The limiting table 68 can improve the mounting stability of the cover body 2 and avoid the left and right shaking of the cover body 2 on the rotating shaft.

[0039] It is worth mentioning that the rotating shaft 62 is sleeved with a torsion spring, one end of the torsion spring abuts against the mounting cover 61, and the other end of the torsion spring abuts against the cover body 2, the torsion spring can provide the elastic force for the upward folding of the cover body 2, thereby improving the convenience of opening the cover body 2.

[0040] In the embodiment, the upper shell 1 is provided with water guide grooves 9 on both sides of the mounting opening 7, the water guide grooves 9 are located below the edge of the cover body 2, and the water guide grooves 9 are communicated with the water drainage groove 8, thereby the rainwater leaked from the edge of the cover body 2 can be received by the water guide grooves 9 and guided into the water drainage groove 8, thereby further improving the waterproof sealing between the cover body 2 and the upper shell 1.

[0041] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A waterproof structure for a lithium battery in a lawnmower, comprising an upper housing (1) and a cover (2), wherein the upper housing (1) is provided with a receiving cavity (3), and the upper housing (1) has at least one receiving opening (4) in the receiving cavity (3) for placing a lithium battery, characterized in that, The upper housing (1) is provided with a cover edge (5) around the receiving cavity (3). The upper housing (1) is provided with a rotating part (6) on one side of the cover edge (5). The cover (2) is connected to the upper housing (1) through the rotating part (6). The cover (2) is rotatably covered on the cover edge (5) to cover the receiving cavity (3). A drainage channel is formed between the rotating part (6) and the cover edge (5).

2. The waterproof structure of a lawnmower lithium battery according to claim 1, characterized in that, The upper housing (1) has an installation port (7) on one side of the cover edge (5), and the rotating part (6) is disposed in the installation port (7) and seals the installation port (7).

3. The waterproof structure of a lawnmower lithium battery according to claim 2, characterized in that, The rotating part (6) includes a mounting cover (61) and a rotating shaft (62). The mounting cover (61) is fixed on the upper housing (1) and seals the mounting port (7). The rotating shaft (62) is disposed between the mounting cover (61) and the upper housing (1). The cover body (2) is connected to the rotating shaft (62). The upper housing (1) has a drainage groove (8) on the side of the cover edge (5), the drainage groove (8) is connected to the cover edge (5) on both sides, and the upper surface of the mounting cover (61) and the drainage groove (8) form the drainage channel.

4. The waterproof structure of a lawnmower lithium battery according to claim 3, characterized in that, Two rotating shafts (62) are provided, and the two rotating shafts (62) are respectively provided on both sides of the mounting cover (61) to connect with the cover body (2).

5. The waterproof structure of a lawnmower lithium battery according to claim 4, characterized in that, The mounting cover (61) is provided with a plurality of receiving pieces (63) spaced apart, the rotating shaft (62) is placed on the receiving pieces (63), the cover body (2) is provided with a plurality of mounting pieces (64) spaced apart, and the mounting pieces (64) are provided with mounting holes (65) for the rotating shaft (62) to be inserted.

6. The waterproof structure of a lawnmower lithium battery according to claim 5, characterized in that, The mounting cover (61) is provided with a first baffle (66) that abuts against one side of the rotating shaft (62), and the upper housing (1) is provided with a second baffle (67) that abuts against the other side of the rotating shaft (62).

7. The waterproof structure of a lawnmower lithium battery according to claim 5, characterized in that, The upper surface of the mounting cover (61) is provided with a limiting platform (68), which is located between two adjacent mounting pieces (64).

8. The waterproof structure of a lawnmower lithium battery according to claim 3, characterized in that, The upper housing (1) is provided with water guide grooves (9) on both sides of the mounting port (7). The water guide grooves (9) are located below the edge of the cover (2) and are connected to the drainage groove (8).

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