Waterproof lithium battery pack

Abstract

The utility model relates to the technical field of lithium battery packs, in particular to a waterproof lithium battery pack. Comprising a first shell, a second shell, a lithium battery pack and a sealing module, the second shell is matched with the first shell, the lithium battery pack is arranged in the first shell, the sealing module comprises a first sealing piece, a second sealing piece and an elastic framework, the second shell is provided with an embedding groove, the first sealing piece is provided with a groove, the first sealing piece is fixedly connected with the first shell, and the elastic framework is arranged in the embedding groove. The embedded groove is fixedly connected with the first shell and located above the first shell, the first sealing piece is matched with the embedded groove, the second sealing piece is fixedly connected with the second shell and located in the embedded groove, the second sealing piece is matched with the groove, and the elastic framework is fixedly connected with the second shell and located on the two sides of the first sealing piece. The effect of improving the waterproof performance of the lithium battery pack is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery packs, in particular to a waterproof lithium battery pack. Background Art

[0002] A battery pack is composed of multiple battery groups. Using a battery pack can increase the power of electronic products. There are many types of battery packs, among which a lithium battery pack usually includes two shells that can be combined and a lithium battery pack is arranged inside the shell.

[0003] There are many electronic components in a lithium battery pack. Currently, in a lithium battery pack, liquid can easily flow through two shells to the electronic components, causing damage to the lithium battery pack. Therefore, it is very necessary to propose a waterproof lithium battery pack. Utility Model Content

[0004] The utility model aims to provide a waterproof lithium battery pack, which solves the problem that liquid easily flows through two shells to the electronic components, causing damage to the lithium battery pack.

[0005] To achieve the above-mentioned purpose, the utility model adopts a waterproof lithium battery pack, including a first shell, a second shell, a lithium battery pack and a sealing module, the second shell is adapted to the first shell, the lithium battery pack is arranged inside the first shell, the sealing module includes a first seal, a second seal and an elastic skeleton, the second shell has an interlocking groove, the first seal has a groove, the first seal is fixedly connected to the first shell and is located above the first shell, and the first seal is adapted to the interlocking groove, the second seal is fixedly connected to the second shell and is located in the interlocking groove, and the second seal is adapted to the groove, and the elastic skeleton is fixedly connected to the second shell and is located on both sides of the first seal.

[0006] Wherein, the sealing module further includes a sealing gasket, which is fixedly connected to the second shell and is located between the first shell and the second shell.

[0007] Wherein, the sealing module further includes a fixing bolt, and the fixing bolt passes through the second shell and is inserted into the first shell.

[0008] Wherein, the waterproof lithium battery pack further includes a limiting module, and the limiting module is connected to the first shell and the second shell respectively.

[0009] Among them, the limiting module includes a limiting cylinder, a limiting rod and a guide arc ring, the limiting cylinder is fixedly connected to the first shell and is located inside the first shell, the guide arc ring is fixedly connected to the limiting cylinder and is located at the top of the limiting cylinder, the limiting rod is fixedly connected to the second shell, and the limiting rod is adapted to the limiting cylinder.

[0010] Wherein, the limiting module further includes a buffer pad, which is fixedly connected to the limiting cylinder and is located inside the limiting cylinder.

[0011] The utility model provides a waterproof lithium battery pack, wherein the second shell is adapted to the first shell, the lithium battery pack is fixed inside the first shell, and the sealing module is used to perform waterproof treatment between the first shell and the second shell; wherein the second sealing member is arranged in the fitting groove, and when the first sealing member moves into the fitting groove, the second sealing member is fitted into the groove of the first sealing member, the elastic skeleton is made of elastic material, the elastic skeleton squeezes the first sealing member, and the first sealing member and the second sealing member are tightly fitted, so that the first shell and the second shell are relatively sealed, thereby obtaining the effect of improving the waterproof performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is a cross-sectional view of the overall structure of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 A magnified view of the local structure at A.

[0016] Figure 4 It is a cross-sectional view of the overall structure of the second embodiment of the utility model.

[0017] 101-first shell, 102-second shell, 103-fitting groove, 104-lithium battery pack, 105-first sealing member, 106-groove, 107-second sealing member, 108-elastic skeleton, 109-sealing pad, 110-fixing bolt, 201-limiting cylinder, 202-limiting rod, 203-guide arc ring, 204-buffer pad. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0019] First embodiment

[0020] See also Figure 1 to Figure 3 ,in Figure 1 is a schematic diagram of the overall structure of the first embodiment, Figure 2 is a cross-sectional view of the overall structure of the first embodiment, Figure 3 yes Figure 2 A magnified view of the local structure at A.

[0021] The utility model provides a waterproof lithium battery pack 104, comprising a first shell 101, a second shell 102, a lithium battery pack 104, and a sealing module, wherein the sealing module comprises a first sealing member 105, a second sealing member 107, an elastic skeleton 108, a sealing pad 109 and a fixing bolt 110.

[0022] According to this specific embodiment, the second shell 102 is adapted to the first shell 101, the lithium battery pack 104 is arranged inside the first shell 101, the second shell 102 is adapted to the first shell 101, the lithium battery pack 104 is fixed inside the first shell 101, and the sealing module is used to perform waterproof treatment between the first shell 101 and the second shell 102.

[0023] The second shell 102 has an engaging groove 103, the first sealing member 105 has a groove 106, the first sealing member 105 is fixedly connected to the first shell 101 and is located above the first shell 101, and the first sealing member 105 is matched with the engaging groove 103, the second sealing member 107 is fixedly connected to the second shell 102 and is located in the engaging groove 103, and the second sealing member 107 is matched with the groove 106, the elastic skeleton 108 is fixedly connected to the second shell 102 and is located above the first sealing member 101. On both sides of the seal 105, the second seal 107 is arranged in the embedding groove 103. When the first seal 105 moves into the embedding groove 103, the second seal 107 is embedded in the groove 106 of the first seal 105. The elastic skeleton 108 is made of elastic material. The elastic skeleton 108 squeezes the first seal 105. The first seal 105 and the second seal 107 are tightly embedded, so that the first shell 101 and the second shell 102 are relatively sealed, thereby obtaining the effect of improving the waterproof performance.

[0024] Secondly, the sealing gasket 109 is fixedly connected to the second shell 102 and is located between the first shell 101 and the second shell 102 . The sealing gasket 109 increases the sealing effect between the first shell 101 and the second shell 102 .

[0025] At the same time, the fixing bolt 110 passes through the second shell 102 and is inserted into the first shell 101. The fixing bolt 110 is used to fix the first shell 101 and the second shell 102. The second seal 107 is arranged in the fitting groove 103. When the first seal 105 moves into the fitting groove 103, the second seal 107 is fitted into the groove 106 of the first seal 105. The elastic skeleton 108 is made of elastic material. The elastic skeleton 108 squeezes the first seal 105. The first seal 105 and the second seal 107 are tightly fitted, so that the first shell 101 and the second shell 102 are relatively sealed, thereby obtaining the effect of improving the waterproof performance.

[0026] When using the utility model, the second shell 102 is adapted to the first shell 101, the lithium battery pack 104 is fixed inside the first shell 101, and the sealing module is used to perform waterproof treatment between the first shell 101 and the second shell 102; wherein the second seal 107 is arranged in the embedding groove 103, and when the first seal 105 moves into the embedding groove 103, the second seal 107 is embedded in the groove 106 of the first seal 105, and the elastic skeleton 108 is made of elastic material, and the elastic skeleton 108 squeezes the first seal 105, and the first seal 105 and the second seal 107 are tightly embedded, so that the first shell 101 and the second shell 102 are relatively sealed, thereby obtaining the effect of improving the waterproof performance.

[0027] Second embodiment

[0028] See also Figure 4 ,in Figure 4 It is a cross-sectional view of the overall structure of the second embodiment.

[0029] On the basis of the first embodiment, a waterproof lithium battery pack 104 of the utility model further includes a limiting module, and the limiting module includes a limiting cylinder 201 , a limiting rod 202 , a guide arc ring 203 and a buffer pad 204 .

[0030] The limiting modules are connected to the first shell 101 and the second shell 102 respectively, and are used to achieve a limiting effect when the first shell 101 and the second shell 102 are installed, so as to facilitate subsequent installation.

[0031] The limiting cylinder 201 is fixedly connected to the first shell 101 and is located inside the first shell 101. The guiding arc ring 203 is fixedly connected to the limiting cylinder 201 and is located at the top of the limiting cylinder 201. The limiting rod 202 is fixedly connected to the second shell 102, and the limiting rod 202 is adapted to the limiting cylinder 201. The limiting rod 202 is guided into the limiting cylinder 201 by the arc surface of the guiding arc ring 203. The limiting rod 202 moves in the limiting cylinder 201 to limit the moving trajectory between the second shell 102 and the first shell 101.

[0032] The buffer pad 204 is fixedly connected to the limiting cylinder 201 and is located inside the limiting cylinder 201 . The buffer pad 204 is used for buffering between the limiting rod 202 and the limiting cylinder 201 .

[0033] The fixing bolt 110 is used to fix the first shell 101 and the second shell 102; during the connection process, the limiting rod 202 is guided into the limiting cylinder 201 under the action of the arc surface of the guide arc ring 203, and the limiting rod 202 moves in the limiting cylinder 201 to limit the movement trajectory between the second shell 102 and the first shell 101, and the buffer pad 204 is used for buffering between the limiting rod 202 and the limiting cylinder 201; the second sealing member 107 is arranged in the fitting groove 103, and when the first sealing member 105 moves into the fitting groove 103, the second sealing member 107 is fitted into the groove 106 of the first sealing member 105, and the elastic skeleton 108 is made of elastic material, and the elastic skeleton 108 squeezes the first sealing member 105, and the first sealing member 105 and the second sealing member 107 are tightly fitted, so that the first shell 101 and the second shell 102 are relatively sealed, thereby obtaining the effect of improving the waterproof performance.

[0034] The above disclosures are only two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A waterproof lithium battery pack, comprising a first shell, a second shell and a lithium battery pack, wherein the second shell is adapted to the first shell, and the lithium battery pack is arranged inside the first shell, characterized in that: It also includes a sealing module, which includes a first seal, a second seal and an elastic skeleton, the second shell has an interlocking groove, the first seal has a groove, the first seal is fixedly connected to the first shell and is located above the first shell, and the first seal is adapted to the interlocking groove, the second seal is fixedly connected to the second shell and is located in the interlocking groove, and the second seal is adapted to the groove, and the elastic skeleton is fixedly connected to the second shell and is located on both sides of the first seal.

2. The waterproof lithium battery pack according to claim 1, characterized in that: The sealing module further includes a sealing gasket, which is fixedly connected to the second shell and is located between the first shell and the second shell.

3. The waterproof lithium battery pack according to claim 1, characterized in that: The sealing module further includes a fixing bolt, which passes through the second shell and is inserted into the first shell.

4. The waterproof lithium battery pack according to claim 1, characterized in that: The waterproof lithium battery pack further includes a limiting module, and the limiting modules are respectively connected to the first shell and the second shell.

5. The waterproof lithium battery pack according to claim 4, characterized in that: The limiting module includes a limiting cylinder, a limiting rod and a guide arc ring. The limiting cylinder is fixedly connected to the first shell and is located inside the first shell. The guide arc ring is fixedly connected to the limiting cylinder and is located at the top of the limiting cylinder. The limiting rod is fixedly connected to the second shell, and the limiting rod is adapted to the limiting cylinder.

6. The waterproof lithium battery pack according to claim 5, characterized in that: The limiting module further includes a buffer pad, which is fixedly connected to the limiting cylinder and is located inside the limiting cylinder.

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