CN205564830U - High leakproofness power battery top cap subassembly and battery - Google Patents
High leakproofness power battery top cap subassembly and battery Download PDFInfo
- Publication number
- CN205564830U CN205564830U CN201620137731.5U CN201620137731U CN205564830U CN 205564830 U CN205564830 U CN 205564830U CN 201620137731 U CN201620137731 U CN 201620137731U CN 205564830 U CN205564830 U CN 205564830U
- Authority
- CN
- China
- Prior art keywords
- pole
- sealing member
- electrokinetic cell
- cover plate
- cap assembly
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000004806 packaging method and process Methods 0.000 claims abstract description 29
- 230000002265 prevention Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001681 protective 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 relates to a power battery technical field, concretely relates to high leakproofness power battery top cap subassembly and battery, the utility model discloses a power battery top cap subassembly, lap, offer including the top cap and locate two utmost point posts in the electrode through -hole in two electrode through -holes, the branch of top cap apron, top cap apron is including level apron and the annular boss of locating the level apron, and the tip of utmost point post passes in electrode through -hole cover locates annular boss, press from both sides between utmost point post and the top cap apron and be equipped with the packaging part, between the lower surface of level apron and the utmost point post clamp be equipped with first sealing member just a sealing part sleeved locate outside the packaging part. The utility model discloses a power battery upper cover subassembly passes through the tentatively sealed terminal of packaging part, and a rethread sealing member is sealed terminal further, and the compactness between upper cover apron and the terminal is good, and the prevention of seepage leak resistance of power battery upper cover subassembly is good, long service life, and the security is good.
Description
Technical field
This utility model relates to power battery technology field, is specifically related to a kind of high leakproofness electrokinetic cell cap assembly and battery.
Background technology
Electrokinetic cell is the important component part of new forms of energy battery, and its great advantage is that energy is high, pollution-free；It is the developing direction of new-energy automobile and energy-accumulating power station, thus the safety performance of battery is particularly important, and the sealing of electrokinetic cell top cover is the important leverage of cell safety.
The sealing of electrokinetic cell is one of key factor affecting battery safety and durability, and electrokinetic cell top cover electrode antiseepage leakproof is always a power battery technology difficult problem.But, generally there is the defect of sealing difference in existing electrokinetic cell top cover electrode, has had a strong impact on the safety in utilization of electrokinetic cell.
Summary of the invention
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide a kind of high leakproofness electrokinetic cell cap assembly, and the good airproof performance of this electrokinetic cell cap assembly, safety is good；High leakproofness in this utility model title refers to can reach to avoid the seal degree of the electrolyte generation seepage of inside battery.
Another object of the present utility model, is to provide a kind of battery, and this battery has the cap assembly of high leakproofness, uses safety.
The purpose of this utility model is achieved through the following technical solutions: a kind of high leakproofness electrokinetic cell cap assembly, two the electrode through holes including top cover cover plate, being opened in top cover cover plate, the pole being divided in two electrode through holes, described top cover cover plate includes horizontal cover plate and is located at the annular boss of horizontal cover plate, the end of pole is sheathed in annular boss through electrode through hole, it is folded with packaging part between pole and top cover cover plate, is folded with the first sealing member between lower surface and the pole of horizontal cover plate and the first sealing member is sheathed on outside packaging part.
Wherein, one of them pole insulate with described top cover cover plate, and another pole electrically connects with top cover cover plate.
Wherein, described packaging part includes horizontal circle ring body and is located at the vertical torus of horizontal circle ring body, and horizontal circle ring body is located between lower surface and the pole of described horizontal cover plate, and vertical torus is located between described annular boss and pole.
Wherein, it is folded with seal washer between described first sealing member and described horizontal circle ring body.
Wherein, this electrokinetic cell cap assembly also includes the second sealing member being sheathed on the end of described annular boss, and the end of described pole is through the second sealing member and stretches out outside the second sealing member.
Wherein, described second sealing member include the interior torus being located between described pole and annular boss, be sheathed on the cylindrical ring body outside annular boss and be connected in the circular ring plate of upper end of torus and cylindrical ring body.
Wherein, the medial surface of described interior toric two sides, vertical toric two sides and described cylindrical ring body is equipped with projection, and the lateral surface of described pole and the interior lateral surface of annular boss all offer the groove with male cooperation；Described projection is annular protrusion, and described groove is annular groove, or, described projection is thread protrusion, and described groove is thread groove.
Wherein, the upper surface of described pole offers tapped blind hole.
Wherein, described pole offers first annular groove, the lower surface of described horizontal cover plate offers the second cannelure, the upper surface of described first sealing member is provided with circular connector, the lower surface of described first sealing member is provided with lower circular connector, upper circular connector is embedded in the second cannelure, and lower circular connector is embedded in first annular groove；Described seal washer is embedded in first annular groove and the second cannelure.
A kind of battery, this battery comprises above-mentioned electrokinetic cell cap assembly.
Specifically, described packaging part is glass-encapsulated part or ceramic package；Described first sealing member is plastic cement the first sealing member；Described seal washer is silica gel sealing packing ring；Described second sealing member is plastic cement the second sealing member.Packaging part uses glass or ceramic material, the electrolyte of inside battery can be completely cut off well, simultaneously, such packaging part has good high temperature resistant and decay resistance, in the case of battery internal short-circuit, pole easily produces high temperature, uses glass or ceramic package to be packaged primarily to prevent pole from contacting in the case of high-temperature vibrating with top cover cover plate, it is to avoid second short circuit occurs herein；Use the packaging part of glass or ceramic material during using; especially in the case of battery vibrates; packaging part is easy to damage even collision cleft; packaging part is played certain protective effect by the first sealing member and the second sealing member that use plastic cement material; second sealing member can be prevented effectively from the poorly sealed or loosening phenomenon caused because packaging part ruptures under vibrating conditions; also function to certain sealing function, meanwhile, it is capable to prevent pole to be subject to outside torsion to rotate；First sealing member and seal washer prevent packaging part fragmentation under vibrating conditions from falling into inside battery jointly, and good airproof performance；The structural stability of packaging part is good, good seal performance and persistently, the seal washer of silica gel material can not only improve sealing of the present utility model further, and there is good elasticity, anti-deformation and acid-proof alkaline, seal washer is located between packaging part and the first sealing member, it is possible to compress packaging part well.
The beneficial effects of the utility model are: electrokinetic cell cap assembly of the present utility model tentatively seals pole by packaging part, pole is sealed further again by the first sealing member, compactness between top cover cover plate and pole is good, the antiseepage leakageresistance of electrokinetic cell cap assembly is good, service life is long, and safety is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of battery of the present utility model.
Fig. 2 is the partial sectional view of electrokinetic cell cap assembly of the present utility model.
Reference is: 1 horizontal cover plate, 2 annular boss, 3 poles, 4 packaging parts, 5 horizontal circle ring bodies, 6 vertical torus, 7 first sealing members, 8 seal washers, 9 second sealing members, torus in 10,11 cylindrical ring bodies, 12 circular ring plates, 13 projections, 14 grooves, 15 tapped blind holes, 16 batteries, 17 first annular grooves, 18 second cannelures, circular connector, 20 times circular connectors on 19.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, being further described this utility model below in conjunction with embodiment and accompanying drawing 1-Fig. 2, the content that embodiment is mentioned is not to restriction of the present utility model.
Embodiment 1, see Fig. 1-Fig. 2, a kind of high leakproofness electrokinetic cell cap assembly, two the electrode through holes including top cover cover plate, being opened in top cover cover plate, the pole 3 being divided in two electrode through holes, described top cover cover plate includes horizontal cover plate 1 and is located at the annular boss 2 of horizontal cover plate 1, the end of pole 3 is sheathed in annular boss 2 through electrode through hole, it is folded with packaging part 4 between pole 3 and top cover cover plate, is folded with the first sealing member 7 between lower surface and the pole 3 of horizontal cover plate 1 and the first sealing member 7 is sheathed on outside packaging part 4.
This utility model tentatively seals pole 3 by packaging part 4, then seals pole 3 further by the first sealing member 7, and the compactness between top cover cover plate and pole 3 is good, and the antiseepage leakageresistance of electrokinetic cell cap assembly is good, and service life is long, and safety is good.
Wherein, one of them pole insulate with described top cover cover plate, and another pole electrically connects with top cover cover plate.
Wherein, described packaging part 4 includes horizontal circle ring body 5 and is located at the vertical torus 6 of horizontal circle ring body 5, and horizontal circle ring body 5 is located between lower surface and the pole 3 of described horizontal cover plate 1, and vertical torus 6 is located between described annular boss 2 and pole 3.Specifically, the cross section of the wall of packaging part 4 is L-shaped, and such structure is arranged can play certain position-limiting action, is difficult to loosen, and being completely embedded property is good, good airproof performance.
Wherein, it is folded with seal washer 8 between described first sealing member 7 and described horizontal circle ring body 5.Specifically, seal washer 8 is silica gel sealing packing ring 8, seal washer 8 can not only improve sealing of the present utility model further, and seal washer 8 has good elasticity and anti-deformation, seal washer 8 is located between packaging part 4 and the first sealing member 7, can compress packaging part 4 well, compactness is good.
Wherein, this electrokinetic cell cap assembly also includes the second sealing member 9 being sheathed on the end of described annular boss 2, and the end of described pole 3 is through the second sealing member 9 and stretches out outside the second sealing member 9.Improving sealing of the present utility model further by the second sealing member 9, sealing property is excellent.
Wherein, described second sealing member 9 include the interior torus 10 being located between described pole 3 and annular boss 2, be sheathed on the cylindrical ring body 11 outside annular boss 2 and be connected in the circular ring plate 12 of upper end of torus 10 and cylindrical ring body 11.The second such structure of sealing member 9 is arranged, it is possible to be locked annular boss 2 well, and the being completely embedded property between the second sealing member 9 and annular boss 2 is good, good airproof performance of the present utility model.
Wherein, the medial surface of the two sides of described interior torus 10, the two sides of vertical torus 6 and described cylindrical ring body 11 is equipped with protruding 13, and the lateral surface of described pole 3 and the interior lateral surface of annular boss 2 all offer and protruding 13 grooves 14 coordinated；Described projection is annular protrusion, and described groove is annular groove, or, described projection is thread protrusion, and described groove is thread groove.Projection 13 and groove 14 match, and pole 3 serves good positioning action, and pole 3 is not susceptible to mobile or rotates, and the being completely embedded property between pole 3 and other connection members is good, good airproof performance.
Wherein, the upper surface of described pole 3 offers tapped blind hole 15.The setting of tapped blind hole 15 is easy to pole 3 and is connected with external power source.
Wherein, described pole offers first annular groove 17, the lower surface of described horizontal cover plate 1 offers the second cannelure 18, the upper surface of described first sealing member 7 is provided with circular connector 19, the lower surface of described first sealing member 7 is provided with lower circular connector 20, upper circular connector 19 is embedded in the second cannelure 18, and lower circular connector 20 is embedded in first annular groove 17；Described seal washer 8 is embedded in first annular groove 17 and the second cannelure 18.Using such connected mode, the first sealing member to be difficult to loosen, being completely embedded property is good, good seal performance, it is possible to be prevented effectively from electrolyte generation Seepage.
Embodiment 2, is shown in Fig. 1, and a kind of battery, this battery 16 comprises above-mentioned electrokinetic cell cap assembly.The good airproof performance of the electrokinetic cell cap assembly of battery 16 of the present utility model, corrosive liquids within battery 16 and gas are not susceptible to the phenomenon of seepage, and safety is good, and service life is long.
Above-described embodiment is this utility model preferably implementation, and in addition, this utility model can realize with alternate manner, and the most any obvious replacement is all within protection domain of the present utility model.
Claims (9)
1. a high leakproofness electrokinetic cell cap assembly, two the electrode through holes including top cover cover plate, being opened in top cover cover plate, the pole being divided in two electrode through holes, it is characterized in that: described top cover cover plate includes horizontal cover plate and is located at the annular boss of horizontal cover plate, the end of pole is sheathed in annular boss through electrode through hole, it is folded with packaging part between pole and top cover cover plate, is folded with the first sealing member between lower surface and the pole of horizontal cover plate and the first sealing member is sheathed on outside packaging part.
A kind of high leakproofness electrokinetic cell cap assembly the most according to claim 1, it is characterized in that: described packaging part includes horizontal circle ring body and is located at the vertical torus of horizontal circle ring body, horizontal circle ring body is located between lower surface and the pole of described horizontal cover plate, and vertical torus is located between described annular boss and pole.
A kind of high leakproofness electrokinetic cell cap assembly the most according to claim 2, it is characterised in that: it is folded with seal washer between described first sealing member and described horizontal circle ring body.
A kind of high leakproofness electrokinetic cell cap assembly the most according to claim 2, it is characterized in that: this electrokinetic cell cap assembly also includes being sheathed on the second sealing member of the end of described annular boss, the end of described pole is through the second sealing member and stretches out outside the second sealing member.
A kind of high leakproofness electrokinetic cell cap assembly the most according to claim 4, it is characterised in that: described second sealing member includes the interior torus being located between described pole and annular boss, is sheathed on the cylindrical ring body outside annular boss and is connected the circular ring plate of upper end of interior torus and cylindrical ring body.
A kind of high leakproofness electrokinetic cell cap assembly the most according to claim 5, it is characterized in that: the medial surface of described interior torus two sides, vertical toric two sides and described cylindrical ring body is equipped with projection, the lateral surface of described pole and the interior lateral surface of annular boss all offer the groove with male cooperation；Described projection is annular protrusion, and described groove is annular groove, or, described projection is thread protrusion, and described groove is thread groove.
A kind of high leakproofness electrokinetic cell cap assembly the most according to claim 1, it is characterised in that: the upper surface of described pole offers tapped blind hole.
A kind of high leakproofness electrokinetic cell cap assembly the most according to claim 3, it is characterized in that: described pole offers first annular groove, the lower surface of described horizontal cover plate offers the second cannelure, the upper surface of described first sealing member is provided with circular connector, the lower surface of described first sealing member is provided with lower circular connector, upper circular connector is embedded in the second cannelure, and lower circular connector is embedded in first annular groove；Described seal washer is embedded in first annular groove and the second cannelure.
9. a battery, it is characterised in that: this battery comprises the electrokinetic cell cap assembly described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620137731.5U CN205564830U (en) | 2016-02-24 | 2016-02-24 | High leakproofness power battery top cap subassembly and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620137731.5U CN205564830U (en) | 2016-02-24 | 2016-02-24 | High leakproofness power battery top cap subassembly and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564830U true CN205564830U (en) | 2016-09-07 |
Family
ID=56818807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620137731.5U Expired - Fee Related CN205564830U (en) | 2016-02-24 | 2016-02-24 | High leakproofness power battery top cap subassembly and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205564830U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356476A (en) * | 2016-10-25 | 2017-01-25 | 东野精机（昆山）有限公司 | Automatic assembly method for power battery cover plate |
| CN107017361A (en) * | 2017-05-24 | 2017-08-04 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
| CN107170921A (en) * | 2017-07-05 | 2017-09-15 | 安徽庐江凯胜新能源科技有限公司 | A kind of novel battery end cover sealing structure |
| CN109256499A (en) * | 2018-11-01 | 2019-01-22 | 中澳科创（深圳）新材料有限公司 | A kind of glass-sealed seal assembly of aluminum hull power battery electrode pole and its method for sealing |
-
2016
- 2016-02-24 CN CN201620137731.5U patent/CN205564830U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356476A (en) * | 2016-10-25 | 2017-01-25 | 东野精机（昆山）有限公司 | Automatic assembly method for power battery cover plate |
| CN106356476B (en) * | 2016-10-25 | 2019-05-07 | 东野精机（昆山）有限公司 | A kind of automatic assemble method of cover plate of power battery |
| CN107017361A (en) * | 2017-05-24 | 2017-08-04 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
| CN107170921A (en) * | 2017-07-05 | 2017-09-15 | 安徽庐江凯胜新能源科技有限公司 | A kind of novel battery end cover sealing structure |
| CN109256499A (en) * | 2018-11-01 | 2019-01-22 | 中澳科创（深圳）新材料有限公司 | A kind of glass-sealed seal assembly of aluminum hull power battery electrode pole and its method for sealing |
| CN109256499B (en) * | 2018-11-01 | 2023-08-11 | 深圳中傲新瓷科技有限公司 | Sealing assembly for sealing electrode post glass of aluminum shell power battery and sealing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221223 Address after: Room 1101, Building 22, No.1 Yahu Road, Nancheng Street, Dongguan, Guangdong 523083 Patentee after: Guangdong Bosi Cloud Science and Education Technology Co.,Ltd. Address before: No.99 Xihu Road, Nancheng District, Dongguan City, Guangdong Province 523000 Patentee before: GUANGDONG University OF SCIENCE & TECHNOLOGY |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |