CN220628161U - Alkali-climbing-prevention battery cover of power battery - Google Patents
Alkali-climbing-prevention battery cover of power battery Download PDFInfo
- Publication number
- CN220628161U CN220628161U CN202322104634.9U CN202322104634U CN220628161U CN 220628161 U CN220628161 U CN 220628161U CN 202322104634 U CN202322104634 U CN 202322104634U CN 220628161 U CN220628161 U CN 220628161U
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- CN
- China
- Prior art keywords
- alkali
- climbing
- battery
- battery cover
- pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims description 42
- 230000002265 prevention Effects 0.000 claims description 20
- 239000003513 alkali Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 230000009194 climbing Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 1
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides an alkali-climbing-prevention battery cover of a power battery, which comprises a battery cover body and a pole column, wherein the battery cover body is provided with a cover top mounting part, the pole column is fixedly connected with the battery cover body through the cover top mounting part, the pole column comprises an alkali-climbing-prevention part and an anti-rotation part which are integrally arranged, the alkali-climbing-prevention part penetrates through and extends to the outside of the battery cover body, the outer edge of the alkali-climbing-prevention part is provided with an alkali-climbing-prevention groove, and the cover top mounting part is provided with a clamping protrusion matched with the alkali-climbing-prevention groove. The pole is provided with the anti-rotation square table, and the joint of the pole and the battery cover body is provided with a plurality of anti-alkali-climbing grooves, so that the pole can be reinforced and the tightness of the battery can be improved through structural arrangement.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to an alkali-climbing-prevention battery cover of a power battery.
Background
The alkaline water zinc-nickel battery has a problem of sealing the battery because the potential of the negative electrode is negative and the negative electrode climbs alkali leakage.
Disclosure of Invention
In view of the above, the present utility model is to provide an alkali-climbing-prevention battery cover for a power battery.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a power battery prevents climbing alkali battery lid, includes battery lid body and utmost point post, the battery lid body is equipped with lid top installation department, the utmost point post is through lid top installation department and battery lid body fixed connection, the utmost point post is including the anti-climbing alkali portion and the anti-rotation portion of integration setting, anti-climbing alkali portion wears to establish and extend to the battery lid body is outside, anti-climbing alkali portion outer fringe is equipped with anti-climbing alkali recess, lid top installation department be equipped with anti-climbing alkali recess looks adaptation card is protruding.
In the present utility model, preferably, the pole is integrally injection-molded with the battery cover body, the alkali-climbing prevention groove is provided with three channels, the cross-sectional shape of the alkali-climbing prevention portion is circular, the cross-sectional shape of the rotation prevention portion is square, and the cross-sectional size of the alkali-climbing prevention portion is smaller than the cross-sectional size of the rotation prevention portion.
In the present utility model, preferably, a sealing groove is formed at one end of the cover top mounting portion, which is close to the anti-rotation portion, and the depth dimension of the sealing groove is smaller than the length dimension of the anti-alkali-climbing portion, and the sealing groove is filled with sealing glue of different colors to form a polarity identification color ring, and the top surface of the polarity identification color ring is lower than the top surface of the anti-alkali-climbing portion.
In the utility model, preferably, the pole is connected with the battery cover body through threads, a first sealing ring is arranged at the joint of the alkali-climbing prevention part and the rotation prevention part, a second sealing ring is arranged in the alkali-climbing prevention groove, an external thread is arranged at the position, higher than the alkali-climbing prevention groove, of the alkali-climbing prevention part, a third sealing ring is arranged between the external thread and the cover top mounting part, and the pole is fixedly mounted with the battery cover body through a fastening nut.
In the present utility model, preferably, a gasket is provided between the fastening nut and the third seal ring.
In the present utility model, preferably, the battery cover body is provided with a liquid injection hole.
In the present utility model, preferably, the liquid injection hole is provided with an extension pipe extending to the inside of the battery cover body.
In the utility model, preferably, a glue valve is arranged in the liquid injection hole, and the top of the glue valve is fixedly connected with a liquid injection cover.
The utility model has the advantages and positive effects that: the polar column is provided with the anti-rotation square table, the joint of the polar column and the battery cover body is provided with a plurality of anti-alkali-climbing grooves, one end of the cover top mounting part, which is close to the anti-rotation part, is provided with the sealing groove, and the polar column can be reinforced and the tightness of the battery can be improved through structural arrangement and can be used as a polar identification ring.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic perspective view of a first embodiment of an alkali-climbing-prevention battery cover for a power battery according to the present utility model;
fig. 2 is a schematic front view of a first embodiment of an alkali-climbing-prevention battery cover for a power battery according to the present utility model;
FIG. 3 is a cross-sectional view of the structure of A-A in FIG. 2;
fig. 4 is a schematic top view of a first embodiment of the alkali-climbing-prevention battery cover of the power battery of the utility model;
FIG. 5 is a cross-sectional view of the structure B-B of FIG. 4;
fig. 6 is a schematic perspective view of a second embodiment of an alkali-climbing-prevention battery cover for a power battery according to the present utility model;
fig. 7 is a schematic cross-sectional view showing the front structure of the first embodiment of the alkali-climbing prevention battery cover of the power battery of the utility model.
In the figure: 1. a battery cover body; 2. a pole; 3. a cap top mounting portion; 4. an alkali-climbing prevention part; 5. an anti-rotation part; 6. an alkali-climbing prevention groove; 7. a clamping protrusion; 8. a sealing groove; 9. a polarity-identifying color circle; 10. a first seal ring; 11. a second seal ring; 12. an external thread; 13. a third seal ring; 14. a fastening nut; 15. a gasket; 16. a liquid injection hole; 17. an extension tube; 18. a liquid injection cover; 19. and (5) a rubber valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment one:
as shown in fig. 1, 2 and 3, the utility model provides an alkali-climbing-prevention battery cover of a power battery, which comprises a battery cover body 1 and a pole post 2, wherein the battery cover body 1 is provided with a cover top mounting part 3, the pole post 2 is fixedly connected with the battery cover body 1 through the cover top mounting part 3, the pole post 2 comprises an integrally arranged alkali-climbing-prevention part 4 and an integrally arranged rotation-prevention part 5, the alkali-climbing-prevention part 4 penetrates through and extends to the outside of the battery cover body 1, the outer edge of the alkali-climbing-prevention part 4 is provided with an alkali-climbing-prevention groove 6, and the cover top mounting part 3 is provided with a clamping protrusion 7 matched with the alkali-climbing-prevention groove 6.
In this embodiment, further, the pole 2 is integrally injection-molded with the battery cover body 1, the alkali-climbing prevention groove 6 is provided with three channels, the cross-sectional shape of the alkali-climbing prevention portion 4 is set to be circular, the cross-sectional shape of the rotation prevention portion 5 is set to be square, and the cross-sectional size of the alkali-climbing prevention portion 4 is smaller than the cross-sectional size of the rotation prevention portion 5. The terminal 2 and the battery cover body 1 are connected in an integral injection molding mode, so that the tightness of the battery cover can be effectively improved, and compared with a traditional internal thread terminal 2, the terminal 2 has the advantage that the conductive sectional area of the top of the terminal 2 is increased.
As shown in fig. 4 and 5, in this embodiment, further, a sealing groove 8 is formed at one end of the cap top mounting portion 3 near the anti-rotation portion 5, the depth dimension of the sealing groove 8 is smaller than the length dimension of the anti-alkali-climbing portion 4, sealing glue with different colors is filled in the sealing groove 8 to form polar color ring polarity identification color rings 9 with different colors, the top surface of the polar identification color rings 9 is lower than the top surface of the anti-alkali-climbing portion 4, the positive and negative electrode columns 2 are sealed by sealing glue with different colors to form positive and negative polar identification color rings with obvious differences. The pole 2 is provided with the anti-rotation square table, a plurality of anti-alkali-climbing grooves 6 are formed in the joint of the pole 2 and the battery cover body 1, one end of the cover top mounting part 3, which is close to the anti-rotation part 5, is provided with the glue sealing groove 8, and the pole 2 can be reinforced and the tightness of a battery can be improved through structural arrangement and can be used as a polarity identification ring.
Embodiment two:
the alkaline water zinc-nickel battery has the advantages that the potential of the negative electrode is negative, the alkaline climbing leakage of the negative electrode is always a difficult problem of battery sealing, the multi-terminal battery cannot adopt the structure of the pole 2 and the battery cover integrated with each other by injection molding due to the complexity of the structure, and various difficulties are brought to the alkaline climbing control of the battery, so that the novel alkaline climbing prevention pole 2 is developed, and the alkaline climbing proportion of the battery is greatly reduced under the condition that the assembly difficulty of the battery is not increased.
Specifically, as shown in fig. 6 and 7, in this embodiment, further, the pole 2 is connected with the battery cover body 1 through threads, the joint of the anti-alkali-climbing portion 4 and the anti-rotation portion 5 is provided with a first sealing ring 10, the anti-alkali-climbing groove 6 is internally provided with a second sealing ring 11, the anti-alkali-climbing portion 4 is higher than the anti-alkali-climbing groove 6, an external thread 12 is arranged, a third sealing ring 13 is arranged between the external thread 12 and the cover top mounting portion 3, and the pole 2 is fixedly mounted with the battery cover body 1 through a fastening nut 14. Through setting up the mutually supporting of first sealing washer 10, second sealing washer 11 and third sealing washer 13, set up at utmost point post 2 and battery cover contact area and prevent climbing alkali recess 6, add a little sealing washer, form a new seal line between utmost point post 2 and battery cover, prevent alkali lye to continue to climb along utmost point post 2, through the design recess size, can guarantee the compression ratio of sealing washer, form three seal lines at utmost point post 2 recess top, lower limb and base, effectively prevent electrolyte to creep along utmost point post 2 surface to better sealed effect has been kept.
In this embodiment, further, a gasket 15 is disposed between the fastening nut 14 and the third seal ring 13, and by providing the gasket 15, the stability and sealing performance of the connection between the pole 2 and the battery cover body 1 are increased.
In this embodiment, further, the battery cover body 1 is provided with a liquid injection hole 16 therethrough, and the liquid injection hole 16 is used for injecting electrolyte.
In the present embodiment, further, the liquid injection hole 16 is provided with the extension pipe 17 extending to the inside of the battery cover body 1, and by providing the extension pipe 17, the problem of liquid leakage can be avoided in the case where the battery is upside down.
In this embodiment, further, a glue valve 19 is installed in the filling hole 16, and a filling cap 18 is fixedly connected to the top.
According to the utility model, through the mutual matching of the first sealing ring 10, the second sealing ring 11 and the third sealing ring 13, the alkali-climbing-prevention groove 6 is arranged in the contact area of the pole 2 and the battery cover, a small sealing ring is additionally arranged, a new sealing line is formed between the pole 2 and the battery cover, alkali liquor is prevented from continuously climbing up the pole 2, the compression ratio of the sealing rings can be ensured by designing the size of the grooves, and three sealing lines are formed at the upper edge, the lower edge and the bottom edge of the groove of the pole 2, so that electrolyte is effectively prevented from climbing along the surface of the pole 2, and a good sealing effect is maintained.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by this patent.
Claims (8)
1. The utility model provides a power battery prevents climbing alkali battery lid, its characterized in that, including battery lid body and utmost point post, the battery lid body is equipped with lid top installation department, the utmost point post passes through lid top installation department and battery lid body fixed connection, the utmost point post is including the anti-creeping alkali portion and the anti-rotation portion of integration setting, anti-creeping alkali portion wears to establish and extend to outside the battery lid body, anti-creeping alkali portion outer fringe is equipped with anti-creeping alkali recess, lid top installation department be equipped with anti-creeping alkali recess looks adaptation card is protruding.
2. The power battery anti-alkali-climbing battery cover according to claim 1, wherein the pole is integrally injection-molded with the battery cover body, the anti-alkali-climbing groove is provided with three channels, the cross-sectional shape of the anti-alkali-climbing portion is set to be circular, the cross-sectional shape of the anti-rotation portion is set to be square, and the cross-sectional size of the anti-alkali-climbing portion is smaller than the cross-sectional size of the anti-rotation portion.
3. The power battery anti-alkali-climbing battery cover according to claim 2, wherein a sealing groove is formed in one end of the cover top mounting portion, which is close to the anti-rotation portion, and the depth dimension of the sealing groove is smaller than the length dimension of the anti-alkali-climbing portion, the sealing groove is used for filling sealing glue of different colors to form a polarity mark color ring, and the top surface of the polarity mark color ring is lower than the top surface of the anti-alkali-climbing portion.
4. The power battery anti-alkali-climbing battery cover according to claim 1, wherein the pole is connected with the battery cover body through threads, a first sealing ring is arranged at the joint of the anti-alkali-climbing part and the anti-rotation part, a second sealing ring is arranged in the anti-alkali-climbing groove, the anti-alkali-climbing part is higher than the anti-alkali-climbing groove, an external thread is arranged on the anti-alkali-climbing groove, a third sealing ring is arranged between the external thread and the cover top mounting part, and the pole is fixedly mounted with the battery cover body through a fastening nut.
5. The power cell anti-alkali-climbing cell cover according to claim 4, wherein a gasket is arranged between the fastening nut and the third sealing ring.
6. The power battery anti-alkali-climbing battery cover according to claim 1, wherein the battery cover body is provided with a liquid injection hole in a penetrating manner.
7. The power cell anti-alkali-climbing cell cover according to claim 6, wherein the liquid injection hole is provided with an extension tube extending to the inside of the cell cover body.
8. The alkali-climbing prevention battery cover of claim 6, wherein a glue valve is arranged in the liquid injection hole, and the top part of the liquid injection hole is fixedly connected with the liquid injection cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322104634.9U CN220628161U (en) | 2023-08-04 | 2023-08-04 | Alkali-climbing-prevention battery cover of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322104634.9U CN220628161U (en) | 2023-08-04 | 2023-08-04 | Alkali-climbing-prevention battery cover of power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220628161U true CN220628161U (en) | 2024-03-19 |
Family
ID=90234485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322104634.9U Active CN220628161U (en) | 2023-08-04 | 2023-08-04 | Alkali-climbing-prevention battery cover of power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220628161U (en) |
-
2023
- 2023-08-04 CN CN202322104634.9U patent/CN220628161U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |