CN206401377U - A kind of electrokinetic cell top cover board component - Google Patents
A kind of electrokinetic cell top cover board component Download PDFInfo
- Publication number
- CN206401377U CN206401377U CN201621460328.2U CN201621460328U CN206401377U CN 206401377 U CN206401377 U CN 206401377U CN 201621460328 U CN201621460328 U CN 201621460328U CN 206401377 U CN206401377 U CN 206401377U
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- Prior art keywords
- hole
- pole
- coping plate
- explosion
- electrokinetic cell
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- 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
Abstract
The utility model discloses a kind of electrokinetic cell top cover board component, including coping plate, two poles are installed in two pole mounting holes by insulated enclosure component, described insulated enclosure component includes plastic, it is located at the lower section of coping plate, the pole that the trunk portion of pole sequentially passes through lower plastic from bottom to top is stretched out outside pole mounting hole through hole and pole mounting hole, two lower ceramics poles, which are each passed through ceramics under two of lower plastic two ends and contacted through hole with the base portion of coping plate and pole, realizes insulation, sealing ring is between the trunk portion and coping plate of pole and positioned at the lower section of coping plate, upper ceramic ring is between the trunk portion and coping plate of pole and positioned at the top of coping plate, jump ring, which is caught in the annular groove on the trunk portion top of pole, to be placed on ceramic ring pole being fixed on coping plate, injection moulding plastic part is placed on outside jump ring and upper ceramic ring and is compressed jump ring, the utility model sealing and good insulating, improve the security performance of electrokinetic cell.
Description
Technical field
The utility model is related to a kind of electrokinetic cell top cover board component.
Background technology
Increasingly perfect with electric vehicle engineering, electric automobile and hybrid electric vehicle are from daily life increasingly
Closely, huge business opportunity is there is, while electric automobile is proposed more to the security performance that the lithium ion battery of energy is provided for it
High requirement.Existing positive and negative pole with coping plate is formed by several component assemblies, the sealing property assembled between part, surely
Qualitative, intensity of assembling etc. directly influences the reliability of battery.
Utility model content
The utility model provides a kind of electrokinetic cell top cover board component, sealing and good insulating, improves electrokinetic cell
Security performance.
In order to solve the above-mentioned deficiency of the above, the technical solution adopted in the utility model is a kind of such, electrokinetic cell top
Cover plate assembly, including coping plate, two opposite polarity poles, coping plate two ends are symmetrical arranged two pole mounting holes, top cover
Offer to be provided with liquid injection hole and explosionproof hole, liquid injection hole in elastic sealing element, explosionproof hole in the middle part of piece and be provided with explosion-proof valve, two
Pole is installed in two pole mounting holes by insulated enclosure component, and described insulated enclosure component includes plastic,
One sealing ring, two lower ceramics poles, ceramic ring, a jump ring and an injection moulding plastic part on one, described lower plastic are located at coping plate
Lower section, a pole is provided with the middle part of lower plastic through hole, the pole is same through hole and pole mounting hole on coping plate
Axle is set, the ceramics perforation in the case where pole is symmetrically arranged with two through the two ends in hole of lower plastic；Described pole is by base portion and certainly
The trunk portion that base portion is upwardly extended is constituted, and the trunk portion of described pole sequentially passes through pole and pacified through hole and pole from bottom to top
Fill hole to stretch out outside pole mounting hole, two described lower ceramics poles are each passed through ceramics under two and pass through hole and coping plate and pole
Base portion contact that realization is lower to insulate, described sealing ring is between the trunk portion and coping plate of pole and positioned at coping plate
Lower section, the upper ceramic ring is between the trunk portion and coping plate of pole and positioned at the top of coping plate, and jump ring is caught in pole
Trunk portion top annular groove in be placed on ceramic ring so that pole is fixed on coping plate, injection moulding plastic part set
In outside jump ring and upper ceramic ring and jump ring being compressed.
In order to further improve the security performance of battery cover board, described explosion-proof valve is hemispherical, and explosionproof hole is radial orders
Bench through hole, the epimere and hypomere of the explosionproof hole are cylinder, and the diameter of epimere cross section is more than the diameter of hypomere cross section, on
Section is connected with hypomere by cutting the hemispherical interlude at bottom, and the interior shape of the interlude is adapted with the profile of explosion-proof valve,
Explosion-proof valve press-fits in being provided with an anti-explosion cover in the sealing that explosionproof hole is realized in the interlude of explosionproof hole, the explosionproof hole, prevents
The circumference soldering of quick-fried cover is provided with the top that on the edge of explosionproof hole, the side wall of anti-explosion cover is provided with air-vent, anti-explosion cover
Magnetic conduction iron plate is provided with below magnet, magnet, magnetic conduction iron plate is connected by screw rod with explosion-proof valve.
The top of described explosion-proof valve is connected with magnetic conduction iron plate, when inside battery, which produces heat, reaches certain temperature, prevents
Quick-fried valve under the influence of air pressure, motion upwards, the magnet installed by anti-explosion cover inner top holds, and the gas in battery is from explosion-proof
The air-vent covered on the wall of side is excluded, with Good Security.In addition, being press-fited by hemispherical explosion-proof valve in realization in explosionproof hole
The sealing of explosionproof hole, wherein hemispherical explosion-proof valve profile are adapted with the shape that explosionproof hole is in contact, and both contacts area are determined
The burst pressure that can be born is determined, so that explosion-proof pressure is easily controllable, the security performance of battery can be significantly improved.
Preferably, described anti-explosion cover is made up of elastomeric material；The explosion-proof valve is by fluorubber, silica gel or vulcanization rubber system
Into.
Described liquid injection hole is shoulder hole, and top is turbination hole, and bottom is cylindrical hole, and turbination bottom hole portion is straight
Footpath is more than the diameter of cylindrical hole, and described elastic sealing element fits with liquid injection hole lower inner wall, elastic sealing element top to
Circumference extends the rib to form laminating turbination bottom hole portion.
Beneficial effect：
1st, pole and top cover connect through insulated enclosure component, sealing and good insulating, and ingenious in design, in vibration
During, pole will not produce axial movement with respect to top cover.
2nd, the utility model ceramic and lower ceramics in ingenious setting between pole and coping plate, it is high-temperature insulation material
Material, when occurring high temperature during use, can avoid pole by directly being contacted with battery cap after high temperature, prevention because pole with
The short circuit that battery cap contact triggers, improves the security performance of electrokinetic cell.
Brief description of the drawings
Fig. 1 is explosive view of the present utility model；
Fig. 2 is front view of the present utility model
Fig. 3 is the enlarged drawing of A in Fig. 2.
Embodiment
In order to deepen to understand of the present utility model, further is made to the utility model below in conjunction with embodiment and accompanying drawing
It is described in detail, the embodiment is only used for explaining the utility model, does not constitute the restriction to the utility model protection domain.
Referring to Fig. 1 and Fig. 2, a kind of electrokinetic cell top cover board component, including coping plate 1, two opposite polarity poles, top
Cover plate two ends are symmetrical arranged to offer in the middle part of two pole mounting holes 3, coping plate and set in liquid injection hole 4 and explosionproof hole 5, liquid injection hole 4
It is equipped with elastic sealing element 2（Elastic sealing element not shown in figure one）, explosion-proof valve is provided with explosionproof hole（It is explosion-proof not shown in figure one
Valve）, two poles are installed in two pole mounting holes by insulated enclosure component, and described insulated enclosure component includes one
Lower plastic 6, a sealing ring 7, two lower ceramics poles 8, ceramic ring 9, a jump ring 10 and an injection moulding plastic part 11 on one, it is described under
Plastic 6 is located at the lower section of coping plate 1, and the middle part of lower plastic 6 is provided with a pole through hole 12, and the pole is through hole 12 with pushing up
Pole mounting hole 3 on cover plate 1 is coaxially disposed, and lower plastic 6 is symmetrically arranged with two lower ceramics through the two ends in hole in pole and worn
Hole 13；The trunk portion 22 that described pole is upwardly extended by base portion 21 and from base portion is constituted, the trunk portion 22 of described pole by
Sequentially pass through pole upwards down to stretch out outside pole mounting hole 13 through hole 12 and pole mounting hole 13, two described lower ceramics poles
13 are each passed through ceramics under two contacts the lower insulation of realization with the base portion 21 of coping plate 1 and pole through hole 13, and described is close
Seal 7 is between the trunk portion 22 and coping plate 1 of pole and positioned at the lower section of coping plate 1, and the upper ceramic ring 9 is located at pole
Trunk portion 22 and coping plate 1 between and positioned at the top of coping plate 1, jump ring 10 is caught in the annular on the top of trunk portion 22 of pole
It is placed on ceramic ring 9 pole being fixed on coping plate 1 in groove, injection moulding plastic part 11 is placed on jump ring 10 and upper pottery
Ceramic ring 9 is outer and is compressed jump ring 10.
Fig. 3 is participated in, described explosion-proof valve 14 is hemispherical, and explosionproof hole 5 is radial orders bench through hole, the epimere of the explosionproof hole
It is cylinder with hypomere, the diameter of epimere cross section is more than the diameter of hypomere cross section, the hemisphere that epimere and hypomere pass through section bottom
Shape interlude is connected, and the interior shape of the interlude is adapted with the profile of explosion-proof valve 14, and explosion-proof valve press-fits in explosionproof hole
Realized in interlude and an anti-explosion cover 15 is provided with the sealing of explosionproof hole, the explosionproof hole, the circumference soldering of anti-explosion cover is in anti-
On the edge of blast hole 5, the top that the side wall of anti-explosion cover is provided with air-vent 16, anti-explosion cover is provided with magnet 17, magnet
Side is provided with magnetic conduction iron plate 18, and magnetic conduction iron plate 18 is connected by screw rod with explosion-proof valve 14.Wherein, described anti-explosion cover 15 is elasticity
Material is made；The explosion-proof valve 14 is made up of fluorubber, silica gel or vulcanization rubber.
Described liquid injection hole 4 is shoulder hole, and top is turbination hole, and bottom is cylindrical hole, turbination bottom hole portion
Diameter is more than the diameter of cylindrical hole, and described elastic sealing element 2 fits with liquid injection hole lower inner wall, at the top of elastic sealing element
Extend the rib to form laminating turbination bottom hole portion to circumference.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of electrokinetic cell top cover board component, it is characterised in that including coping plate, two opposite polarity poles, coping plate
Two ends, which are symmetrical arranged in the middle part of two pole mounting holes, coping plate, offers liquid injection hole and explosionproof hole, sets flexible in liquid injection hole
Explosion-proof valve is provided with seal, explosionproof hole, two poles are installed in two pole mounting holes by insulated enclosure component,
Described insulated enclosure component includes plastic, a sealing ring, two lower ceramics poles, ceramic ring, a jump ring and a note on one
Plastic parts is moulded, described lower plastic, which is located in the middle part of the lower section of coping plate, lower plastic, is provided with a pole through hole, the pole
It is coaxially disposed through hole with the pole mounting hole on coping plate, lower plastic is symmetrically arranged with two in pole through the two ends in hole
Ceramics perforation；The trunk portion that described pole is upwardly extended by base portion and from base portion is constituted, and the trunk portion of described pole is under
Sequentially pass through pole upwards to stretch out outside pole mounting hole through hole and pole mounting hole, two described lower ceramics poles are each passed through
Ceramics contact the lower insulation of realization with the base portion of coping plate and pole through hole under two, and described sealing ring is located at the post of pole
Between body portion and coping plate and positioned at coping plate lower section, the upper ceramic ring located at pole trunk portion and coping plate between and
Positioned at the top of coping plate, jump ring, which is caught in the annular groove on the trunk portion top of pole, to be placed on ceramic ring so as to by pole
Post is fixed on coping plate, and injection moulding plastic part is placed on outside jump ring and upper ceramic ring and is compressed jump ring.
2. a kind of electrokinetic cell top cover board component according to claim 1, it is characterised in that described explosion-proof valve is hemisphere
Shape, explosionproof hole is radial orders bench through hole, and the epimere and hypomere of the explosionproof hole are cylinder, under the diameter of epimere cross section is more than
The diameter of section cross section, epimere and hypomere are connected by cutting the hemispherical interlude at bottom, and the interior shape of the interlude is with preventing
The profile of quick-fried valve is adapted, and explosion-proof valve press-fits to be set in the sealing that explosionproof hole is realized in the interlude of explosionproof hole, the explosionproof hole
An anti-explosion cover is equipped with, the circumference soldering of anti-explosion cover is on the edge of explosionproof hole, and the side wall of anti-explosion cover is provided with air-vent, explosion-proof
Top in cover, which is provided with below magnet, magnet, is provided with magnetic conduction iron plate, and magnetic conduction iron plate is connected by screw rod with explosion-proof valve.
3. a kind of electrokinetic cell top cover board component according to claim 2, it is characterised in that described anti-explosion cover is elasticity
Material is made.
4. a kind of electrokinetic cell top cover board component according to claim 2, it is characterised in that the explosion-proof valve is by fluorine rubber
Glue, silica gel or vulcanization rubber are made.
5. a kind of electrokinetic cell top cover board component according to claim 1, it is characterised in that described liquid injection hole is ladder
Hole, top is turbination hole, and bottom is cylindrical hole, and turbination hole base diameter is more than the diameter of cylindrical hole, described
Elastic sealing element fitted with liquid injection hole lower inner wall, extend at the top of elastic sealing element to form laminating turbination hole to circumference
The rib of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460328.2U CN206401377U (en) | 2016-12-28 | 2016-12-28 | A kind of electrokinetic cell top cover board component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460328.2U CN206401377U (en) | 2016-12-28 | 2016-12-28 | A kind of electrokinetic cell top cover board component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401377U true CN206401377U (en) | 2017-08-11 |
Family
ID=59515795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460328.2U Active CN206401377U (en) | 2016-12-28 | 2016-12-28 | A kind of electrokinetic cell top cover board component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728209A (en) * | 2017-10-30 | 2019-05-07 | 宁德时代新能源科技股份有限公司 | Secondary cell's top cap subassembly and secondary cell |
| CN115020880A (en) * | 2022-06-23 | 2022-09-06 | 江苏正力新能电池技术有限公司 | Battery top cap and battery |
-
2016
- 2016-12-28 CN CN201621460328.2U patent/CN206401377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728209A (en) * | 2017-10-30 | 2019-05-07 | 宁德时代新能源科技股份有限公司 | Secondary cell's top cap subassembly and secondary cell |
| CN115020880A (en) * | 2022-06-23 | 2022-09-06 | 江苏正力新能电池技术有限公司 | Battery top cap and battery |
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