CN206564270U - Electrokinetic cell top seal component - Google Patents
Electrokinetic cell top seal component Download PDFInfo
- Publication number
- CN206564270U CN206564270U CN201720120174.0U CN201720120174U CN206564270U CN 206564270 U CN206564270 U CN 206564270U CN 201720120174 U CN201720120174 U CN 201720120174U CN 206564270 U CN206564270 U CN 206564270U
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- CN
- China
- Prior art keywords
- pole
- trunk portion
- sealing
- electrokinetic cell
- cell top
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- 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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- 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 belongs to power battery technology field, more particularly to a kind of electrokinetic cell top seal component, including pole, coping plate, conductive matrix and sealing ring, pole includes matrix part and the trunk portion extended downwardly from matrix part, coping plate is sheathed on pole, high temperature resistant part is also arranged between matrix part and coping plate, trunk portion includes the first trunk portion and the second trunk portion extended downwardly by the first trunk portion, sealing ring has the first sealing hole and the second sealing hole being connected with the first sealing hole, first trunk portion is fitted close with the second sealing hole, second trunk portion is fitted close with the first sealing hole；The end of second trunk portion is provided with riveting groove, and conductive matrix is sheathed on riveting groove and is closely connected with the second trunk portion.The utility model double density sealing of hole and the close-fitting structure of pole, can effectively improve the sealing and reliability of cap assembly；The utility model sets pole T-shaped package assembly simultaneously, it is possible to increase the conveyance capacity on pole surface.
Description
Technical field
The utility model belongs to power battery technology field, more particularly to a kind of electrokinetic cell top seal component.
Background technology
Top cover is as the important component of electrokinetic cell, and it generally comprises coping plate, pole and conductive matrix etc..At present
The cap structure of in the market electrokinetic cell generally uses riveted structure or clip spring structure, but either riveted structure or jump ring knot
Structure, is required for being sealed with sealing ring between coping plate and the pole for wearing coping plate, thus the sealing property of sealing ring is aobvious
Obtain particularly critical.When being sealed using sealing ring, it usually needs compresses seal, and it is smaller and relatively thin for some sizes
Coping plate, based on being limited by the structure space of coping plate in itself, compression seal reliability is not high.In the prior art, seal
The structure of circle is as shown in figure 1, it includes the projection 2 ' that annular base 1 ' and the inner circumferential around annular base 1 ' are set, its footpath
To the L-shaped structure in section.But this sealing ring is simple in construction, it can only form single sealing surface, air-tightness with pole
It is relatively low, when being set on pole, situation about leaking air is easy to, so as to influence the security performance of battery.
In view of this, it is necessory to be improved further to existing cap structure, to improve the sealing effectiveness of top cover.
Utility model content
The purpose of this utility model is：For existing top cover structure of power battery air-tightness is low, conveyance capacity is poor not
Foot, and a kind of electrokinetic cell top seal component is provided, to improve the sealing property and conveyance capacity of electrokinetic cell top cover.
To achieve the above object, the utility model is adopted the following technical scheme that：
A kind of electrokinetic cell top seal component, including pole, coping plate, conductive matrix and sealing ring, the pole bag
Include matrix part and the trunk portion extended downwardly from matrix part, the coping plate is sheathed on the pole, described matrix portion and described
Also it is arranged with high temperature resistant part between coping plate, the trunk portion includes the first trunk portion and extended downwardly by the first trunk portion the
Two trunk portions, the sealing ring has the first sealing hole and the second sealing hole that is connected with first sealing hole, and described the
One trunk portion is fitted close with second sealing hole, and second trunk portion is fitted close with first sealing hole；It is described
The end of second trunk portion is provided with riveting groove, and the conductive matrix is sheathed on the riveting groove and tight with second trunk portion
Close connection.
Improved as one kind of the utility model electrokinetic cell top seal component, the sealing ring includes the first sealing
Body, and raised vertically the second seal from the axial end of first seal, first sealing hole are set
In the center of first seal, second sealing hole is arranged at the center of second seal, and described second close
The aperture of sealing of hole is more than the aperture of first sealing hole.
Improved as one kind of the utility model electrokinetic cell top seal component, first seal and described second
The thickness of seal is all higher than or equal to 0.3mm.If thickness is too small, the shock-absorbing capacity that sealing ring can be influenceed overall.
Improved as one kind of the utility model electrokinetic cell top seal component, the pore size of first sealing hole
For 1~50mm；The pore size of second sealing hole is 1.5~55mm.If aperture is too small, the excessively stream energy of pole can be influenceed
Power.
Improved as one kind of the utility model electrokinetic cell top seal component, the radial section of the sealing ring is in
"convex" shaped structure.
Improved as one kind of the utility model electrokinetic cell top seal component, it is the matrix part of the pole, described resistance to
Insulated plastic part is provided between high temperature part and the coping plate；The conductive matrix, the sealing ring and the coping plate
Between be provided with lower insulated plastic part；It is preferred that, the upper insulated plastic part and the lower insulated plastic part are integrated injection molding
Shaping.Insulated plastic part is set to carry out effectively fixing to above-mentioned parts, while strengthening the sealing between above-mentioned parts
Effect.
Improved as one kind of the utility model electrokinetic cell top seal component, the coping plate, which is provided with, to be protruded from
The convex closure on surface, the convex closure is provided with mounting hole in the lower surface formation convex closure resettlement section of coping plate, the convex closure, described
Pole is connected through the mounting hole with the conductive matrix.Conductive matrix is moved up into the convex closure resettlement section into coping plate during installation
In, while electrokinetic cell basic performance is ensured, height of the pole in enclosure interior is reduced, has been vacateed to battery core bigger
Installing space, so that the energy density of electrokinetic cell gets a promotion.
Improved as one kind of the utility model electrokinetic cell top seal component, the pole is aluminium pole, copper-base post
Or Copper-Aluminum compound pole.It is preferred that, when pole is Copper-Aluminum compound pole, to avoid copper and aluminium welding wiring stress from being broken, therefore
Copper and aluminium welding wiring is arranged between high temperature resistant part and sealing ring.
Improved as one kind of the utility model electrokinetic cell top seal component, the conductive matrix is aluminium block or copper
Block.When pole is positive terminal, conductive matrix is aluminium block；When pole is negative terminal, conductive matrix is copper billet.
Improved as one kind of the utility model electrokinetic cell top seal component, the high temperature resistant part is high-temperature insulation
Block or high temperature resistant conducting block.When pole is negative terminal, connected due to now needing coping plate and pole to insulate, therefore high temperature resistant
Part is high-temperature insulation block；When pole is positive terminal, due to now needing coping plate and pole to be conductively connected, therefore high temperature resistant
Part is high temperature resistant conducting block；Wherein, high-temperature insulation block and high temperature resistant conducting block are hollow cyclic structure.
Improved as one kind of the utility model electrokinetic cell top seal component, the conductive matrix is by riveting and swashing
The mode that photocoagulation is combined closely is connected with second trunk portion.The mode that riveting and laser welding are combined is effectively improved
The reliability that pole be connected with conductive matrix, and compared to other welding manners, laser welding is efficient, stably, uniformity
Height, is fully able to meet welding requirements；It is preferred that, the laser welding is optical fiber lap welding.
Improved as one kind of the utility model electrokinetic cell top seal component, the base of the coping plate and the pole
The first locating dowel is provided between body portion；The second locating dowel is provided between the coping plate and the conductive matrix.Wherein, if
Put the first locating dowel and the second locating dowel ensure that good locating effect, prevent from moving between parts in assembling process
Position, in order to assemble.
The beneficial effects of the utility model are：A kind of electrokinetic cell top seal component of the utility model, including pole,
Coping plate, conductive matrix and sealing ring, the pole include matrix part and the trunk portion extended downwardly from matrix part, the top cover
Piece is sheathed on the pole, is also arranged with high temperature resistant part between described matrix portion and the coping plate, and the trunk portion includes the
One trunk portion and the second trunk portion extended downwardly by the first trunk portion, the sealing ring have the first sealing hole and with described the
The second sealing hole that one sealing hole is connected, first trunk portion is fitted close with second sealing hole, second post
Body portion is fitted close with first sealing hole；The end of second trunk portion is provided with riveting groove, the conductive matrix set
Closely it is connected located at the riveting groove and with second trunk portion.Compared to prior art, on the one hand, the utility model is sealed
The double density sealing of hole of circle and the close-fitting structure of pole, can effectively improve the sealing and reliability of cap assembly, prevent top
Cap assemblies influence the security performance of battery because occurring gas leakage；On the other hand, the utility model by pole by setting T-shaped
Package assembly, can effectively improve the conveyance capacity on pole surface.
Brief description of the drawings
Fig. 1 is the structural representation of sealing ring in the prior art.
Fig. 2 is one of structural representation of the present utility model.
Fig. 3 is the two of structural representation of the present utility model.
Fig. 4 is one of structural representation of pole in the utility model.
Fig. 5 is the two of the structural representation of pole in the utility model.
Fig. 6 is the structural representation of sealing ring in the utility model.
Fig. 7 is the sectional view in Fig. 6 along line A-A.
In figure：1 '-annular base；2 '-convex edge；1- poles；11- matrix parts；12- trunk portions；The trunk portions of 121- first；
The trunk portions of 122- second；1221- rivets groove；2- coping plates；21- convex closures；22- convex closures resettlement section；23- mounting holes；3- conductive bases
Block；4- sealing rings；The seals of 41- first；The seals of 42- second；The sealing holes of 411- first；The sealing holes of 421- second；The resistance to height of 5-
Warm part；The upper insulated plastic parts of 6-；Insulated plastic part under 7-.
Embodiment
With reference to embodiment and Figure of description, the utility model is described in further detail, but this
The embodiment not limited to this of utility model.
As shown in Fig. 2~7, a kind of electrokinetic cell top seal component, including pole 1, coping plate 2, conductive matrix 3 and close
Seal 4, pole 1 includes matrix part 11 and the trunk portion 12 extended downwardly from matrix part 11, and coping plate 2 is sheathed on pole 1, matrix
High temperature resistant part 5 is also arranged between portion 11 and coping plate 2, trunk portion 12 includes the first trunk portion 121 and by the first trunk portion 121
The second trunk portion 122 extended downwardly；Sealing ring 4 includes the first seal 41, and from the axial end of the first seal 41
On raised vertically the second seal 42, sealing ring 4 has the first sealing hole 411 and is connected with the first sealing hole 411
Second sealing hole 421, the first sealing hole 411 is arranged at the center of the first seal 41, and it is close that the second sealing hole 421 is arranged at second
Seal the center of body 42, and aperture of the aperture more than the first sealing hole 411 of the second sealing hole 421；First trunk portion 121 and second
Sealing hole 421 is fitted close, and the second trunk portion 122 is fitted close with the first sealing hole 411；The end of second trunk portion 122 is set
Riveting groove 1221 is equipped with, conductive matrix 3 is sheathed on riveting groove 1221 and is closely connected with the second trunk portion 122.
Compared to existing cap assembly, double density sealing of hole and the close-fitting knot of pole 1 of the utility model sealing ring 4
Structure, can effectively improve the sealing and reliability of cap assembly, prevent cap assembly from influenceing the peace of battery because occurring gas leakage
Full performance；On the other hand, the utility model can effectively improve the table of pole 1 by the way that pole 1 to be set to T-shaped package assembly
The conveyance capacity in face.
In the embodiment according to electrokinetic cell top seal component of the present utility model, the first seal 41 and second
The thickness of seal 42 is all higher than or equal to 0.3mm.If thickness is too small, the shock-absorbing capacity that sealing ring 4 can be influenceed overall.
In the embodiment according to electrokinetic cell top seal component of the present utility model, the hole of the first sealing hole 411
Footpath size is 1~50mm；The pore size of second sealing hole 421 is 1.5~55mm.If aperture is too small, the mistake of pole 1 can be influenceed
Stream ability.
In the embodiment according to electrokinetic cell top seal component of the present utility model, the radial section of sealing ring 4
In "convex" shaped structure.
It is the matrix part 11 of pole 1, resistance in the embodiment according to electrokinetic cell top seal component of the present utility model
Insulated plastic part 6 is provided between high temperature part 5 and coping plate 2；It is provided between conductive matrix 3, sealing ring 4 and coping plate 2
Lower insulated plastic part 7；It is preferred that, upper insulated plastic part 6 and lower insulated plastic part 7 are integrated injection molding.Insulated plastic is set
Glue part can carry out effectively fixing to above-mentioned parts, while strengthening the sealing effectiveness between above-mentioned parts.
In the embodiment according to electrokinetic cell top seal component of the present utility model, coping plate 2 is provided with protrusion
Convex closure 21 in upper surface, convex closure 21 is provided with mounting hole in the lower surface formation convex closure resettlement section 22 of coping plate 2, convex closure 21
23, pole 1 is connected through mounting hole 23 with conductive matrix 3.The convex closure that coping plate 2 is moved on conductive matrix 3 is housed during installation
In portion 22, while electrokinetic cell basic performance is ensured, height of the pole 1 in enclosure interior is reduced, is vacateed to battery core
Bigger installing space, so that the energy density of electrokinetic cell gets a promotion.
In the embodiment according to electrokinetic cell top seal component of the present utility model, pole 1 is aluminium pole, copper-base
Post or Copper-Aluminum compound pole；When pole 1 is positive terminal, pole 1 is aluminium pole；When pole 1 is negative terminal, pole 1 is copper
Pole or Copper-Aluminum compound pole；It is preferred that, when negative terminal is Copper-Aluminum compound pole, to avoid copper and aluminium welding wiring stress from breaking
Split, therefore copper and aluminium welding wiring is arranged between high temperature resistant part 5 and sealing ring 4.
In the embodiment according to electrokinetic cell top seal component of the present utility model, conductive matrix 3 be aluminium block or
Copper billet；When pole 1 is positive terminal, conductive matrix 3 is aluminium block；When pole 1 is negative terminal, conductive matrix 3 is copper billet.
In the embodiment according to electrokinetic cell top seal component of the present utility model, high temperature resistant part 5 is high temperature resistant
Collets or high temperature resistant conducting block；When pole 1 is negative terminal, connected due to now needing coping plate 2 and pole 1 to insulate, because
This high temperature resistant part 5 is high-temperature insulation block；When pole 1 is positive terminal, due to now needing coping plate 2 and pole 1 conductive even
Connect, therefore high temperature resistant part 5 is high temperature resistant conducting block；Wherein, high-temperature insulation block and high temperature resistant conducting block are hollow ring-type
Structure.
In the embodiment according to electrokinetic cell top seal component of the present utility model, conductive matrix 3 passes through riveting
The mode being combined with laser welding is closely connected with the second trunk portion 122；The mode that riveting and laser welding are combined is effective
Improve the reliability that pole 1 be connected with conductive matrix 3, and compared to other welding manners, laser welding is efficient, stably,
Uniformity is high, is fully able to meet welding requirements；It is preferred that, laser welding is optical fiber lap welding.
In the embodiment according to electrokinetic cell top seal component of the present utility model, the base of coping plate 2 and pole 1
The first locating dowel is provided between body portion 11；The second locating dowel is provided between coping plate 2 and conductive matrix 3；It is preferred that, first
The quantity of locating dowel and the second locating dowel is disposed as at least two.Wherein, set the first locating dowel and the second locating dowel can
Ensure good locating effect, prevent from being shifted between parts in assembling process, in order to assemble.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and changed.Therefore, the utility model is not limited to above-mentioned embodiment, every this area skill
It is new that art personnel any conspicuously improved, replacement made on the basis of the utility model or modification belong to this practicality
The protection domain of type.Although in addition, having used some specific terms in this specification, these terms are intended merely to convenient say
It is bright, any limitation is not constituted to the utility model.
Claims (10)
1. a kind of electrokinetic cell top seal component, including pole, coping plate, conductive matrix and sealing ring, it is characterised in that：Institute
Stating pole includes matrix part and the trunk portion extended downwardly from matrix part, and the coping plate is sheathed on the pole, described matrix
High temperature resistant part is also arranged between portion and the coping plate, the trunk portion includes the first trunk portion and downward by the first trunk portion
Second trunk portion of extension, the second sealing that the sealing ring has the first sealing hole and is connected with first sealing hole
Hole, first trunk portion is fitted close with second sealing hole, and second trunk portion and first sealing hole are close
Coordinate；The end of second trunk portion is provided with riveting groove, and the conductive matrix is sheathed on the riveting groove and with described the
Two trunk portions are closely connected.
2. electrokinetic cell top seal component according to claim 1, it is characterised in that：It is close that the sealing ring includes first
Feng Ti, and raised vertically the second seal from the axial end of first seal, first sealing hole are set
The center of first seal is placed in, second sealing hole is arranged at the center of second seal, and described second
The aperture of sealing hole is more than the aperture of first sealing hole.
3. electrokinetic cell top seal component according to claim 2, it is characterised in that：First seal and described
The thickness of second seal is all higher than or equal to 0.3mm.
4. electrokinetic cell top seal component according to claim 1 or 2, it is characterised in that：First sealing hole
Pore size is 1~50mm；The pore size of second sealing hole is 1.5~55mm.
5. electrokinetic cell top seal component according to claim 1, it is characterised in that：The radial section of the sealing ring
In "convex" shaped structure.
6. electrokinetic cell top seal component according to claim 1, it is characterised in that：The matrix part of the pole, institute
State and insulated plastic part is provided between high temperature resistant part and the coping plate；The conductive matrix, the sealing ring and the top
Lower insulated plastic part is provided between cover plate.
7. electrokinetic cell top seal component according to claim 1, it is characterised in that：The coping plate is provided with protrusion
Convex closure in upper surface, the convex closure is provided with mounting hole in the lower surface formation convex closure resettlement section of coping plate, the convex closure,
The pole is connected through the mounting hole with the conductive matrix.
8. electrokinetic cell top seal component according to claim 1, it is characterised in that：The pole is aluminium pole, copper
Pole or Copper-Aluminum compound pole；The conductive matrix is aluminium block or copper billet.
9. electrokinetic cell top seal component according to claim 1, it is characterised in that：The high temperature resistant part is high temperature resistant
Collets or high temperature resistant conducting block.
10. electrokinetic cell top seal component according to claim 1, it is characterised in that：The conductive matrix passes through riveting
The mode being combined with laser welding is connect closely to be connected with second trunk portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120174.0U CN206564270U (en) | 2017-02-09 | 2017-02-09 | Electrokinetic cell top seal component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120174.0U CN206564270U (en) | 2017-02-09 | 2017-02-09 | Electrokinetic cell top seal component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206564270U true CN206564270U (en) | 2017-10-17 |
Family
ID=60030329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720120174.0U Active CN206564270U (en) | 2017-02-09 | 2017-02-09 | Electrokinetic cell top seal component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206564270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546018A (en) * | 2018-11-27 | 2019-03-29 | 欣旺达电子股份有限公司 | Battery cap and the power battery for using the battery cap |
| CN116526084A (en) * | 2023-07-05 | 2023-08-01 | 深圳海辰储能控制技术有限公司 | Top cap subassembly, energy memory and consumer |
-
2017
- 2017-02-09 CN CN201720120174.0U patent/CN206564270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546018A (en) * | 2018-11-27 | 2019-03-29 | 欣旺达电子股份有限公司 | Battery cap and the power battery for using the battery cap |
| CN109546018B (en) * | 2018-11-27 | 2021-09-17 | 欣旺达电子股份有限公司 | Battery top cover and power battery using same |
| CN116526084A (en) * | 2023-07-05 | 2023-08-01 | 深圳海辰储能控制技术有限公司 | Top cap subassembly, energy memory and consumer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180611 Address after: 211100 69, Feitian Road, Jiangning Airport Economic Development Zone, Nanjing, Jiangsu Co-patentee after: DONGGUAN TAFEIER NEW ENERGY TECHNOLOGY CO., LTD. Patentee after: Jiangsu Tafel new energy Polytron Technologies Inc Co-patentee after: SHENZHEN TAFEL AMPEREX TECHNOLOGY CO., LTD. Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Co-patentee before: SHENZHEN TAFEL AMPEREX TECHNOLOGY CO., LTD. Patentee before: DONGGUAN TAFEIER NEW ENERGY TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220124 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 211100 69, Feitian Road, Jiangning Airport Economic Development Zone, Nanjing, Jiangsu Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |