CN220692153U - Liquid seepage prevention structure for battery cover plate pole column - Google Patents
Liquid seepage prevention structure for battery cover plate pole column Download PDFInfo
- Publication number
- CN220692153U CN220692153U CN202322331078.9U CN202322331078U CN220692153U CN 220692153 U CN220692153 U CN 220692153U CN 202322331078 U CN202322331078 U CN 202322331078U CN 220692153 U CN220692153 U CN 220692153U
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- China
- Prior art keywords
- hole
- explosion
- proof
- cover plate
- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 24
- 230000002265 prevention Effects 0.000 title claims abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 238000010073 coating (rubber) Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 229910052744 lithium Inorganic materials 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a battery cover plate pole column liquid seepage prevention structure, which belongs to the technical field of battery cover plates and comprises a cover plate body, wherein an explosion-proof through hole is formed in the middle of the plate surface of the cover plate body, a right through hole is formed in the right of the explosion-proof through hole, a left through hole is formed in the left Fang Kai of the explosion-proof through hole, an annular right protruding part is fixedly arranged on the upper surface of the cover plate body and positioned on the periphery of the right through hole, and an annular left protruding part is fixedly arranged on the upper surface of the cover plate body and positioned on the periphery of the left through hole; an explosion-proof membrane and an explosion-proof surface patch are arranged in the explosion-proof through hole. Through the right through-hole and the left through-hole periphery at apron body upper surface are fixed respectively to be provided with right bellying and left bellying, and right bellying and left bellying are higher than the apron body in vertical direction, and when apron body upper surface had liquid, right bellying and left bellying played the effect that check kept off liquid, can effectively avoid in the liquid of apron body top got into right through-hole and left through-hole.
Description
Technical Field
The utility model belongs to the technical field of battery cover plates, and particularly relates to a liquid seepage prevention structure of a battery cover plate pole.
Background
Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium metal batteries are generally non-rechargeable and contain lithium in the metallic state. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The lithium battery is the most widely applied power battery in the technical field of electric vehicles at present, has higher energy storage energy density, longer service life and can bear higher times of charge and discharge operations. The main structure of the lithium battery comprises a shell, a battery core arranged in the shell and a cover plate arranged at the top of the shell, wherein positive and negative electrodes are arranged on the cover plate, the shell and the cover plate are generally produced separately, the cover plate and the electrodes are arranged at the top of the shell together after the battery core is arranged in the shell during assembly, welding and sealing are carried out, electrolyte is poured through a liquid pouring hole reserved in the cover plate, and then the liquid pouring hole is sealed, so that the battery integrally forms a sealed working environment. The existing battery cover plate is easy to leak liquid at the positions of the positive electrode column and the negative electrode column due to the structure.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a battery cover plate pole post liquid seepage prevention structure which solves the problems in the background art.
The purpose of the utility model is realized in the following way: the battery cover plate pole liquid seepage prevention structure comprises a cover plate body, wherein an explosion-proof through hole is formed in the middle of the plate surface of the cover plate body, a right through hole is formed in the right side of the explosion-proof through hole, a left through hole is formed in the left Fang Kai of the explosion-proof through hole, an annular right protruding portion is fixedly arranged on the upper surface of the cover plate body and located on the periphery of the right through hole, and an annular left protruding portion is fixedly arranged on the upper surface of the cover plate body and located on the periphery of the left through hole; an explosion-proof membrane and an explosion-proof surface patch are arranged in the explosion-proof through hole.
Further, a pole backing plate is arranged below the cover plate body, a middle lower concave part is arranged in the middle of the pole backing plate, and a plurality of rectangular holes are formed in the lower surface of the middle lower concave part.
Further, the inside of right through-hole is provided with the negative pole post, and the upper end of negative pole post upwards inserts to the inside of right through-hole, and is provided with the rubber circle between negative pole post and the right through-hole.
Further, the inside of right through-hole is provided with the negative pole post rubber coating, the negative pole post rubber coating is from last to lower joint to the inside of right through-hole.
Further, the inside of left through-hole is provided with the positive pole, and the upper end of positive pole upwards inserts the inside to left through-hole, and is provided with the rubber circle between positive pole and the left through-hole.
Further, the inside of left through-hole is provided with the positive pole rubber coating, positive pole rubber coating is from last to lower joint to the inside of left through-hole.
Further, the explosion-proof through hole is oval.
The utility model has the beneficial effects that: through the right through-hole and the left through-hole periphery at apron body upper surface are fixed respectively to be provided with right bellying and left bellying, and right bellying and left bellying are higher than the apron body in vertical direction, and when apron body upper surface had liquid, right bellying and left bellying played the effect that check kept off liquid, can effectively avoid in the liquid of apron body top got into right through-hole and left through-hole.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
fig. 3 is an enlarged view of fig. 1 a in accordance with the present utility model.
In the figure: 1. the anti-explosion device comprises a cover plate body 2, an anti-explosion through hole 3, a right through hole 4, a left through hole 5, a right protruding part 6, a left protruding part 7, an anti-explosion film 8, an anti-explosion surface patch 9, a middle concave part 10, a negative pole 11, a rubber ring 12, a negative pole encapsulation 13, a positive pole 14 and a positive pole encapsulation.
Description of the embodiments
The present utility model will be described in further detail with reference to the accompanying drawings, and it should be noted that all the azimuth words, such as up, down, front, back, left, right, etc., appearing in the present utility model are azimuth words made by taking fig. 1 as a reference drawing, and all the azimuth words do not limit the present utility model, but are used for more clear description and explanation of the present utility model.
Examples
As shown in fig. 1-3, the embodiment discloses a battery cover plate pole liquid seepage prevention structure, which comprises a cover plate body 1, wherein an explosion-proof through hole 2 is formed in the middle position of the plate surface of the cover plate body 1, a right through hole 3 is formed in the right side of the explosion-proof through hole 2, a left through hole 4 is formed in the left Fang Kai of the explosion-proof through hole 2, an annular right protruding part 5 is fixedly arranged on the upper surface of the cover plate body 1 and positioned on the periphery of the right through hole 3, and an annular left protruding part 6 is fixedly arranged on the upper surface of the cover plate body 1 and positioned on the periphery of the left through hole 4; an explosion-proof membrane 7 and an explosion-proof surface patch 8 are arranged in the explosion-proof through hole 2.
According to the embodiment, the right protruding portion 5 and the left protruding portion 6 are fixedly arranged on the peripheries of the right through hole 3 and the left through hole 4 on the upper surface of the cover plate body 1 respectively, the right protruding portion 5 and the left protruding portion 6 are higher than the cover plate body 1 in the vertical direction, when liquid exists on the upper surface of the cover plate body 1, the right protruding portion 5 and the left protruding portion 6 play a role in blocking the liquid, and the liquid above the cover plate body 1 can be effectively prevented from entering the right through hole 3 and the left through hole 4.
Examples
As shown in fig. 1-3, the embodiment discloses a battery cover plate pole liquid seepage prevention structure, which comprises a cover plate body 1, wherein an explosion-proof through hole 2 is formed in the middle position of the plate surface of the cover plate body 1, a right through hole 3 is formed in the right side of the explosion-proof through hole 2, a left through hole 4 is formed in the left Fang Kai of the explosion-proof through hole 2, an annular right protruding part 5 is fixedly arranged on the upper surface of the cover plate body 1 and positioned on the periphery of the right through hole 3, and an annular left protruding part 6 is fixedly arranged on the upper surface of the cover plate body 1 and positioned on the periphery of the left through hole 4; an explosion-proof membrane 7 and an explosion-proof surface patch 8 are arranged in the explosion-proof through hole 2.
For better effect, a pole backing plate is arranged below the cover plate body 1, a middle concave part 9 is arranged in the middle of the pole backing plate, and a plurality of rectangular holes are formed in the lower surface of the middle concave part 9.
For better effect, the inside of the right through hole 3 is provided with a negative pole column 10, the upper end of the negative pole column 10 is inserted upwards into the inside of the right through hole 3, and a rubber ring 11 is arranged between the negative pole column 10 and the right through hole 3.
For better effect, the inside of right through-hole 3 is provided with negative pole post rubber coating 12, negative pole post rubber coating 12 from top to bottom joint to the inside of right through-hole 3.
For better effect, the inside of the left through hole 4 is provided with a positive pole 13, the upper end of the positive pole 13 is inserted upwards into the inside of the left through hole 4, and a rubber ring 11 is arranged between the positive pole 13 and the left through hole 4.
For better effect, the inside of the left through hole 4 is provided with a positive pole encapsulation 14, and the positive pole encapsulation 14 is clamped to the inside of the left through hole 4 from top to bottom.
For better effect, the explosion-proof through hole 2 is elliptical.
According to the embodiment, the right protruding portion 5 and the left protruding portion 6 are fixedly arranged on the peripheries of the right through hole 3 and the left through hole 4 on the upper surface of the cover plate body 1 respectively, the right protruding portion 5 and the left protruding portion 6 are higher than the cover plate body 1 in the vertical direction, when liquid exists on the upper surface of the cover plate body 1, the right protruding portion 5 and the left protruding portion 6 play a role in blocking the liquid, and the liquid above the cover plate body 1 can be effectively prevented from entering the right through hole 3 and the left through hole 4.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the concept thereof, can be replaced or changed equally within the scope of the present utility model.
Claims (7)
1. The utility model provides a battery cover plate post prevention of seepage liquid structure, includes apron body (1), explosion-proof through-hole (2) have been seted up to the face intermediate position of apron body (1), right through-hole (3) have been seted up in the right-hand of explosion-proof through-hole (2), and left Fang Kai of explosion-proof through-hole (2) is equipped with left through-hole (4), its characterized in that: an annular right protruding part (5) is fixedly arranged on the upper surface of the cover plate body (1) and positioned at the periphery of the right through hole (3), and an annular left protruding part (6) is fixedly arranged on the upper surface of the cover plate body (1) and positioned at the periphery of the left through hole (4); an explosion-proof membrane (7) and an explosion-proof surface patch (8) are arranged in the explosion-proof through hole (2).
2. The battery cover post liquid-tight structure of claim 1, wherein: the novel solar cell is characterized in that a pole backing plate is arranged below the cover plate body (1), a middle lower concave part (9) is arranged in the middle of the pole backing plate, and a plurality of rectangular holes are formed in the lower surface of the middle lower concave part (9).
3. The battery cover post liquid-tight structure of claim 1, wherein: the inside of right through-hole (3) is provided with negative pole post (10), and the upper end of negative pole post (10) upwards inserts to the inside of right through-hole (3), and is provided with rubber circle (11) between negative pole post (10) and right through-hole (3).
4. The battery cover post liquid-tight structure according to claim 3, wherein: the inside of right through-hole (3) is provided with negative pole post rubber coating (12), negative pole post rubber coating (12) are from last to the inside of lower joint to right through-hole (3).
5. The battery cover post liquid-tight structure of claim 1, wherein: the inside of left through-hole (4) is provided with positive pole (13), and the upper end of positive pole (13) upwards inserts to the inside of left through-hole (4), and is provided with rubber circle (11) between positive pole (13) and left through-hole (4).
6. The battery cover post liquid-tight structure according to claim 5, wherein: the inside of left through-hole (4) is provided with positive pole rubber coating (14), positive pole rubber coating (14) are from last to the inside of lower joint to left through-hole (4).
7. The battery cover post liquid-tight structure of claim 1, wherein: the explosion-proof through hole (2) is elliptical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322331078.9U CN220692153U (en) | 2023-08-29 | 2023-08-29 | Liquid seepage prevention structure for battery cover plate pole column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322331078.9U CN220692153U (en) | 2023-08-29 | 2023-08-29 | Liquid seepage prevention structure for battery cover plate pole column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220692153U true CN220692153U (en) | 2024-03-29 |
Family
ID=90411525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322331078.9U Active CN220692153U (en) | 2023-08-29 | 2023-08-29 | Liquid seepage prevention structure for battery cover plate pole column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220692153U (en) |
-
2023
- 2023-08-29 CN CN202322331078.9U patent/CN220692153U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |