Battery shell, battery and battery shell dismounting clamp

Abstract

The battery shell comprises a first shell body and a second shell body, a first containing cavity is formed in the first shell body, an elastic clamping block is arranged on the side wall of the first containing cavity, and one end of the elastic clamping block extends in the direction away from the bottom of the first containing cavity to form a clamping part; the second shell is provided with a second containing cavity, a limiting groove is formed in the side wall of the second containing cavity, an unlocking hole is formed in the side wall of the second containing cavity, and the unlocking hole is located in the limiting groove; and when the first shell and the second shell are mutually buckled and connected, the clamping part is clamped into the limiting groove. Therefore, a clamping structure formed by the elastic clamping block and the limiting groove is arranged in the battery shell, so that an anti-disassembly effect can be achieved; and meanwhile, through the unlocking hole, the lossless disassembly of the battery shell can be realized through the special battery shell disassembly clamp, so that the battery shell can be recycled, the cost is reduced, and the environmental protection property is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a battery housing, a battery and a fixture for disassembling the battery housing. Background Art

[0002] In the field of battery production, as a key component for protecting the internal components of the battery and maintaining the stability of the overall structure of the battery, the design and structure of the battery housing have received extensive attention. However, the existing battery housings have many defects, for example:

[0003] 1. Conventional battery housings are usually integrally encapsulated. Therefore, when disassembling the battery housing, only destructive disassembly can be used, resulting in the inability to recycle the battery housing.

[0004] 2. There is also a battery housing that realizes the connection and fixation of two shells through an external snap structure. However, for the external snap structure, it can usually be easily disassembled with only conventional tools or directly by hand, and the anti-disassembly function cannot be achieved. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a battery housing, a battery and a fixture for disassembling the battery housing, which can not only achieve the anti-disassembly function of the battery, but also realize the recyclability of the battery housing.

[0006] The purpose of the utility model is realized by the following technical solutions:

[0007] A battery housing includes: a first shell and a second shell. The first shell is provided with a first accommodation cavity, and an elastic clamping block is arranged on the side wall of the first accommodation cavity. One end of the elastic clamping block extends in a direction away from the bottom of the first accommodation cavity to form a clamping portion. The second shell is provided with a second accommodation cavity, a limiting groove is formed on the side wall of the second accommodation cavity, and an unlocking hole is formed on the side wall of the second accommodation cavity. The unlocking hole is located in the limiting groove. When the first shell and the second shell are buckled and connected to each other, the clamping portion is clamped into the limiting groove.

[0008] In one embodiment, the elastic clamping block includes a connecting portion, a limiting portion and the clamping portion which are connected in sequence. The connecting portion is connected to the side wall of the first accommodation cavity. And a limiting boss is arranged on the side wall of the second accommodation cavity. The limiting boss is located on one side edge of the limiting groove. When the second shell and the first shell are buckled and connected, the clamping portion is clamped into the limiting groove, and the limiting boss is clamped into the limiting portion.

[0009] In one embodiment, a guiding inclined surface is arranged on the side of the limiting boss facing the first shell.

[0010] In one embodiment, a guiding inclined surface is provided on one side of the clamping portion facing the second housing.

[0011] In one embodiment, a plurality of elastic clamping blocks are respectively provided on two side walls of the first accommodating cavity, and a plurality of limiting grooves are respectively formed on two side walls of the second accommodating cavity. When the first housing and the second housing are buckled and connected to each other, the clamping portions of the elastic clamping blocks are respectively clamped into the limiting grooves.

[0012] In one embodiment, the cross section of the unlocking hole is in a circular structure, a triangular structure or a rectangular structure.

[0013] In one embodiment, a first reinforcing rib is provided on the side wall of the first accommodating cavity.

[0014] A battery includes the above-mentioned battery housing.

[0015] A battery housing disassembly jig for disassembling the battery housing as described above includes: a pressing block and an unlocking needle. One end of the unlocking needle is provided on the pressing block, and the other end of the unlocking needle extends away from the pressing block to form an unlocking portion; the pressing block is used to drive the unlocking needle to penetrate into the unlocking hole, so that the unlocking portion pushes the clamping portion of the elastic clamping block to move away from the limiting groove.

[0016] In one embodiment, a handle is provided on the pressing block.

[0017] Compared with the prior art, the present utility model has at least the following advantages:

[0018] In the battery housing of the present utility model, by arranging elastic clamping blocks on the side wall of the first accommodating cavity and arranging limiting grooves on the side wall of the second accommodating cavity at the same time, that is, the clamping structure composed of the elastic clamping blocks and the limiting grooves is arranged inside the battery housing. In this way, the anti-disassembly effect can be achieved; at the same time, an unlocking hole is formed on the side wall of the second accommodating cavity. Through the unlocking hole, a special battery housing disassembly jig can be used to realize the non-destructive disassembly of the battery housing, so that the battery housing can be recycled, the cost is reduced, and the environmental protection is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the embodiments will be briefly introduced below.

[0020] Figure 1 It is a schematic structural diagram of a battery in an embodiment of the present utility model;

[0021] Figure 2 Structural schematic diagram of a battery housing in an embodiment of the present utility model;

[0022] Figure 3 Cross-sectional structural schematic diagram of a battery housing in an embodiment of the present utility model;

[0023] Figure 4 is Figure 2 Structural schematic diagram of the first housing of the battery housing in;

[0024] Figure 5 is Figure 2 Structural schematic diagram of the second housing of the battery housing in. Detailed implementation manners

[0025] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown in, a battery housing 11 includes: a first housing 100 and a second housing 200. The first housing 100 is provided with a first accommodation cavity 110. An elastic clamping block 111 is arranged on the side wall of the first accommodation cavity 110, and one end of the elastic clamping block 111 extends away from the bottom of the first accommodation cavity 210 to form a clamping portion 111c. The second housing 200 is provided with a second accommodation cavity 210. A limiting groove 211 is formed on the side wall of the second accommodation cavity 210, and an unlocking hole 220 is formed on the side wall of the second accommodation cavity 210. The unlocking hole 220 is located in the limiting groove 211. When the first housing 100 and the second housing 200 are buckled and connected to each other, the clamping portion 111c is clamped into the limiting groove 211.

[0027] It should be noted that when the first housing 100 and the second housing 200 are snap - connected to each other, the engaging portion 111c on the elastic latch 111 snaps into the limiting groove 211 to form a fixation; since the elastic latch 111 is arranged on the side wall of the first accommodating cavity 110 and the limiting groove 211 is arranged on the side wall of the second accommodating cavity 210, that is, both the elastic latch 111 and the limiting groove 211 are arranged inside the housing of the battery housing 11. Then, compared with the existing battery housing with a snap - structure arranged outside the housing, it can play a role in preventing disassembly; at the same time, when it is necessary to replace the single - cell battery pack inside the battery without damaging the battery housing 11, only by using a special disassembly device in cooperation with the unlocking hole 220 on the side wall of the second accommodating cavity 210, the fixation between the elastic latch 111 and the limiting groove 211 can be unlocked, so that the first housing 100 and the second housing 200 are separated without being damaged, thereby realizing the recyclability of the battery housing 11; in addition, in the present utility model, the battery housing 11 is a plastic housing. By realizing the recyclability of the plastic housing, the use of plastic materials can be correspondingly reduced to respond to environmental protection measures.

[0028] In an embodiment, the elastic latch 111 includes a connecting portion 111a, a limiting portion 111b and an engaging portion 111c connected in sequence. The connecting portion 111a is connected to the side wall of the first accommodating cavity 110; and a limiting boss 212 is arranged on the side wall of the second accommodating cavity 210. The limiting boss 212 is located on one side of the limiting groove 211; when the second housing 200 is snap - connected to the first housing 100, the engaging portion 111c snaps into the limiting groove 211, and the limiting boss 212 snaps into the limiting portion 111b.

[0029] It should be noted that in order to achieve a lightweight design, it is usually necessary to reduce the wall thickness of the first housing 100 and the second housing 200, which will result in the depth of the limiting groove 211 not being deep enough, and further lead to a decrease in the connection firmness between the first housing 100 and the second housing 200. Therefore, by arranging the limiting boss 212 on the side wall of the second accommodating cavity 210 and setting the limiting boss 212 on one side of the limiting groove 211, that is, the limiting boss 212 is located on the side of the limiting groove 211 close to the opening side, the engaging area of the engaging portion 111c can be increased, and at the same time, the limiting boss 212 snaps into the limiting portion 111b on the elastic latch 111, thereby further ensuring the connection firmness between the first housing 100 and the second housing 200.

[0030] Furthermore, a guiding inclined surface 212a is arranged on the side of the limiting boss 212 facing the first housing 100. Through the guiding inclined surface 212a, it is convenient for the elastic latch 111 to gradually approach the limiting groove 211 along the guiding inclined surface 212a, and finally the engaging portion 111c snaps into the limiting groove 211.

[0031] Similarly, a guiding inclined surface is provided on the side of the clamping portion 111c facing the second housing 200. That is, chamfering is performed on the side edge of the clamping portion 111c that abuts against the limiting boss 212, which can not only play a guiding role but also prevent the sharp corner edge from scratching and damaging the limiting boss 212.

[0032] In an embodiment, a plurality of elastic blocks 111 are respectively provided on the two side walls of the first accommodating cavity 110, and a plurality of limiting grooves 211 are respectively formed on the two side walls of the second accommodating cavity 210. When the first housing 100 and the second housing are snap-fitted and connected, the clamping portions 111c of the respective elastic blocks 111 are respectively snapped into the respective limiting grooves 211. Among them, the two side walls of the first accommodating cavity 110 are the relatively arranged two side walls, and a plurality of elastic blocks 111 are provided on each side wall to further improve the connection firmness between the first housing 100 and the second housing 200; similarly, the two side walls of the second accommodating cavity 210 are the relatively arranged two side walls, and a plurality of limiting grooves 211 are formed on each side wall to further improve the connection firmness between the first housing 100 and the second housing 200.

[0033] Preferably, the cross-section of the unlocking hole 220 is in a circular structure or a triangular structure or a rectangular structure. For example, in this embodiment, the cross-section of the unlocking hole 220 is in a circular structure. Since there is no included angle in the circular-structured unlocking hole 220, when using a special disassembly fixture for unlocking, there is no need for shape matching and alignment, which improves the convenience of disassembly and separation.

[0034] In an embodiment, a first reinforcing rib 112 is provided on the side wall of the first accommodating cavity 110 to improve the overall strength of the first outer shell through the first reinforcing rib 112. Similarly, a second reinforcing rib 213 is provided on the side wall of the second accommodating cavity 210 to improve the overall strength of the second outer shell through the second reinforcing rib 213.

[0035] A battery includes the above-mentioned battery housing 11. The battery further includes a plurality of groups of single-cell battery cores and corresponding power components, etc. Among them, the single-cell battery cores are placed in the battery housing 11.

[0036] A battery housing disassembly fixture for disassembling the battery housing as described above includes: a pressing block and an unlocking needle. One end of the unlocking needle is provided on the pressing block, and the other end of the unlocking needle extends away from the pressing block to form an unlocking portion; the pressing block is used to drive the unlocking needle to penetrate into the unlocking hole 220, so that the unlocking portion pushes the clamping portion 111c of the elastic block 111 to move away from the limiting groove 211.

[0037] It should be noted that when disassembling the battery housing, a special battery housing disassembly fixture needs to be used. In this way, not only can the battery housing be disassembled without damage to achieve the recyclability of the battery housing, but also the anti-disassembly function can be achieved. Specifically, during the disassembly operation, the operator holds the pressing block, aligns the unlocking needle with the unlocking hole 220 on the second housing 200 and inserts it. Then, continue to push the unlocking needle, so that the unlocking part pushes the engaging part 111c of the elastic latch 111 to move away from the limiting groove 211, and finally releases the engagement between the elastic latch 111 and the limiting groove 211, so that the first housing 100 can be separated from the second housing 200; when both sides are provided with the elastic latch 111 and the limiting groove 211, two corresponding battery housing disassembly fixtures need to be provided. One battery housing disassembly fixture corresponds to the elastic latch 111 and the limiting groove 211 on one side. At the same time, the number of unlocking needles on the same battery housing disassembly fixture matches the number of limiting grooves 211, that is, the number of unlocking needles matches the number of unlocking holes 220; when in use, the unlocking needles on the two battery housing disassembly fixtures are respectively aligned with the unlocking holes 220 on both sides, and the pressing block is pressed simultaneously, then the first housing 100 can be separated from the second housing 200. In this embodiment, in order to facilitate the operation of the operator, a handle is provided on the pressing block.

[0038] The above embodiments only represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A battery housing, characterized in that, Comprising: A first housing having a first accommodation cavity formed therein, with elastic clamping blocks provided on the side wall of the first accommodation cavity, and one end of each elastic clamping block extending away from the bottom of the first accommodation cavity to form a clamping portion; and A second housing having a second accommodation cavity formed therein, with a limiting groove provided on the side wall of the second accommodation cavity, and an unlocking hole provided on the side wall of the second accommodation cavity, the unlocking hole being located within the limiting groove; When the first housing and the second housing are snap - connected to each other, the clamping portion snaps into the limiting groove.

2. The battery housing according to claim 1, characterized in that, The elastic clamping block includes a connecting portion, a limiting portion and the clamping portion connected in sequence, the connecting portion being connected to the side wall of the first accommodation cavity; and a limiting boss is provided on the side wall of the second accommodation cavity, the limiting boss being located on one side edge of the limiting groove; when the second housing and the first housing are snap - connected, the clamping portion snaps into the limiting groove, and the limiting boss snaps into the limiting portion.

3. The battery housing according to claim 2, characterized in that, A guiding inclined surface is provided on the side of the limiting boss facing the first housing.

4. The battery housing according to claim 2, characterized in that, A guiding inclined surface is provided on the side of the clamping portion facing the second housing.

5. The battery housing according to any one of claims 1-4, characterized in that, A plurality of elastic clamping blocks are respectively provided on both side walls of the first accommodation cavity, and a plurality of limiting grooves are respectively formed on both side walls of the second accommodation cavity. When the first housing and the second housing are snap - connected to each other, the clamping portions of the respective elastic clamping blocks snap into the respective limiting grooves.

6. The battery housing according to any one of claims 1-4, characterized in that, The cross - section of the unlocking hole is in a circular structure, or a triangular structure, or a rectangular structure.

7. The battery housing according to any one of claims 1-4, characterized in that, A first reinforcing rib is provided on the side wall of the first accommodation cavity.

8. A battery, characterized in that, Comprising the battery housing according to any one of claims 1 - 7.

9. A battery housing disassembly fixture for disassembling the battery housing as described in any one of claims 1-7, characterized in that, Comprising: A pressing block; And An unlocking pin, one end of the unlocking pin being provided on the pressing block, and the other end of the unlocking pin extending away from the pressing block to form an unlocking portion; The pressing block is used to drive the unlocking pin to penetrate into the unlocking hole, so that the unlocking portion pushes the clamping portion of the elastic clamping block to move away from the limiting groove.

10. The battery housing disassembly fixture according to claim 9, wherein A handle is provided on the pressing block.

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