CN208806272U - A kind of lithium ion battery cover board - Google Patents
A kind of lithium ion battery cover board Download PDFInfo
- Publication number
- CN208806272U CN208806272U CN201821484498.3U CN201821484498U CN208806272U CN 208806272 U CN208806272 U CN 208806272U CN 201821484498 U CN201821484498 U CN 201821484498U CN 208806272 U CN208806272 U CN 208806272U
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- CN
- China
- Prior art keywords
- cover board
- positive
- cathode
- pole pawl
- pawl
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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 lithium ion battery cover boards, including cover board body, Positive Poles, positive pressing plate, positive pole pawl, negative pole, cathode pressing plate, cathode pole pawl, positive pole pawl, cathode pole pawl is respectively welded at Positive Poles, negative pole lower end, positive pole pawl is identical as cathode polar claw structure, positive pole pawl includes two positive pole pawls one and V word connector one, two positive pole pawls one are arranged in parallel, two one lower ends of positive pole pawl are connected by V word, the setting of one vertical direction of V word connector, V word connector one is to the connector far from the bending of cover board body direction.The utility model has the advantages that due to being equipped with V word connector one and V word connector two, when positive pole pawl, cathode pole pawl are squeezed, the synchronous deformation respectively of V word connector one, V word connector two, extend V word connector one, two bending junction of V word connector to far from cover board body direction respectively, presses against diaphragm and positive/negative plate are prevented, battery short circuit is not easy to cause.
Description
Technical field
The utility model relates to battery cover board fields, more particularly to a kind of lithium ion battery cover board.
Background technique
The continuous exacerbation of the problems such as with environmental pollution, energy shortage, lithium ion battery is as a kind of clean energy resource, in people
Production and living in obtained it is commonly used.In recent years, with the support of government policy, lithium ion battery is rapidly developed.Together
When, the safety problem of lithium ion battery also results in more concerns.Lithium ion battery in use, inevitably will receive crowded
The phenomenon that of not meeting lithium ion battery operating specification such as press, overcharge.Lithium ion battery cover board is as one in lithium ion battery
Accessory, positive and negative anodes pole pawl are squeezed, and the connector between two positive pole pawls or two cathode pole pawls is unlikely to deform, and can be squeezed
Diaphragm and positive/negative plate are pressed and pierced through, battery short circuit is caused, so as to cause accidents such as burning, explosions.
Utility model content
Purpose of utility model: in view of the above problems, the object of the present invention is to provide a kind of lithium ion battery cover board, with
Solve the technical issues of positive and negative anodes pole pawl causes battery short circuit.
Technical solution:
A kind of lithium ion battery cover board, including cover board body, Positive Poles, positive pressing plate, positive pole pawl, negative pole,
Cathode pressing plate, cathode pole pawl, between the anode pressing plate and the cover board body, the cathode pressing plate and the cover board body it
Between respectively by the Positive Poles, the negative pole riveting, anode pole pawl, cathode pole pawl are separately connected
In the Positive Poles, the negative pole lower end, the anode pole pawl is identical as the cathode polar claw structure, the anode pole
Pawl includes two positive pole pawls one and V word connector one, and two positive pole pawls one are arranged in parallel, and two positive poles
One lower end of pawl is attached by the V word connector one, one vertical direction of the V word connector setting, the V word connector
One is, to the connector far from cover board body direction bending, cathode pole pawl includes that two cathode pole pawls one and V word connect
Fitting two.Due to being equipped with V word connector one and V word connector two, when positive pole pawl, cathode pole pawl are squeezed, the connection of V word
The synchronous deformation respectively of part one, V word connector two, makes the angle of bending angle become smaller, and make V word connector one, V word connector two
Bending junction respectively to far from cover board body direction extend, prevent presses against diaphragm and positive/negative plate, it is short to be not easy to cause battery
Road.
Angle between the first bending edges and the second bending edges of the V word connector one in one of the embodiments,
It is 80~100 °.
The positive pole pawl further includes connection sheet one in one of the embodiments, the one lower end two sides of connection sheet point
It is not connect with two one upper ends of positive pole pawl, one upper end of connection sheet is set in the Positive Poles.
The positive pole pawl, cathode pole pawl are an integral molding structure respectively in one of the embodiments,.
It in one of the embodiments, further include two upper sealed insulation pads and a lower sealed insulation pad, described in two
Upper sealed insulation pad is separately mounted on the cover board body upper surface, and the anode pressing plate, the cathode pressing plate are located at
In two upper sealed insulation pads;The lower sealed insulation pad is mounted on the cover board body lower surface.
The cover board body is equipped with liquid injection hole and explosionproof hole in one of the embodiments,.
The utility model has the advantages that compared with prior art, the utility model has the advantages that connecting due to being equipped with V word connector one and V word
Fitting two, when positive pole pawl, cathode pole pawl are squeezed, the synchronous deformation respectively of V word connector one, V word connector two makes to roll over
The angle at angle coupling angle becomes smaller, and makes the bending junction of V word connector one, V word connector two respectively to far from cover board body side
To extension, presses against diaphragm and positive/negative plate are prevented, is not easy to cause battery short circuit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the lithium ion battery cover board of the utility model;
Fig. 2 is the top view of the lithium ion battery cover board of the utility model;
Fig. 3 is the Section A-A figure of Fig. 2;
In figure, 1- cover board body, 11- liquid injection hole, 12- explosionproof hole, 2- Positive Poles, 3- anode pressing plate, 4- anode pole pawl,
41- anode pole pawl one, 42-V word connector one, the first bending edges of 421-, the second bending edges of 422-, 43- connection sheet one, 5- cathode
Pole, 7- cathode pole pawl, 71- cathode pole pawl one, 72-V word connector two, 73- connection sheet two, seals on 8- 6- cathode pressing plate
Sealed insulation pad under felt pad, 9-.
Specific embodiment
Please refer to Fig. 1~3, a kind of lithium ion battery cover board, including cover board body 1, Positive Poles 2, positive pressing plate 3, just
Pole pole pawl 4, negative pole 5, cathode pressing plate 6, cathode pole pawl 7, two upper sealed insulation pads 8 and a lower sealed insulation pad 9, two
A upper sealed insulation pad 8 is mounted on the upper surface of cover board body 1, and lower sealed insulation pad 9 is mounted on the lower surface of cover board body 1
On, positive pressing plate 3, cathode pressing plate 6 are separately mounted in two upper sealed insulation pads 8, cover board body 1 be equipped with liquid injection hole 11 and
Explosionproof hole 12.The explosion-proof valve sealed set of explosionproof hole 12.
Positive pole pawl 4 is identical with the structure of cathode pole pawl 7, and material is different.Positive pole pawl 4 includes connection sheet one 43, two
Positive pole pawl 1 and V word connector 1, one 43 upper end of connection sheet are set in Positive Poles 2, and lower end two sides are respectively with two
The one 41 upper end connection of a anode pole pawl, two positive pole pawls 1 are arranged in parallel, and two one 41 lower ends of positive pole pawl are connected by V word
Fitting 1 connects, and V word connector 1 is the connector of vertical direction setting, and V word connector 1 is to far from cover board sheet
The connector of 1 direction bending of body, V word connector 1 include the first bending edges 421 and the second bending edges 422, the first bending edges
421 and second bending edges 422 tie point be bending junction, the angle between the first bending edges 421 and the second bending edges 422
For bending angle, bending angle is 80~100 °.Cathode pole pawl 7 includes that 2 73, two cathode pole pawls 1 of connection sheet and V word connect
Fitting 2 72.Wherein, the material of positive pole pawl 4 is aluminium, and the material of cathode pole pawl 7 is copper material.In the present embodiment, the first bending
Angle between side 421 and the second bending edges 422 is 93 °.
Positive Poles 2 rivet after passing through connection sheet 1, lower sealed insulation pad 9, cover board body 1 with positive pressing plate 3, cathode
Pole 5 rivets after passing through connection sheet 2 73, lower sealed insulation pad 9, cover board body 1 with cathode pressing plate 6.
Wherein, positive pole pawl 4, cathode pole pawl 7 are an integral molding structure respectively, and positive pole pawl 4, cathode pole pawl 7 are adopted respectively
It forms to obtain with mould punching.
The installation process of above-mentioned lithium ion battery cover board are as follows: two upper sealed insulation pads 8 are separately mounted to cover board body 1
Upper surface length direction both ends go up for two and place Positive Poles 2, negative pole 5 in sealed insulation pads 8 respectively, under cover board body 1
Lower sealed insulation pad 9 is placed on surface, Positive Poles 2 sequentially pass through the company of positive pole pawl 4 below 1 lower surface of cover board body
It is riveted after contact pin 1, lower sealed insulation pad 9, cover board body 1 with positive pressing plate 3, negative pole 5 is from 1 lower surface of cover board body
Lower section rivets after sequentially passing through the connection sheet 2 73 of cathode pole pawl 7, lower sealed insulation pad 9, cover board body 1 with cathode pressing plate 6.
Above-mentioned lithium ion battery cover board, due to be equipped with V word connector 1 and V word connector 2 72, when positive pole pawl 4,
When cathode pole pawl 7 is squeezed, the synchronous deformation respectively of V word connector 1, V word connector 2 72 makes the angle of bending angle
Become smaller, and extend the bending junction of V word connector 1, V word connector 2 72 to far from 1 direction of cover board body respectively,
Presses against diaphragm and positive/negative plate are prevented, battery short circuit is not easy to cause.
Claims (6)
1. a kind of lithium ion battery cover board, which is characterized in that including cover board body (1), Positive Poles (2), positive pressing plate (3),
Positive pole pawl (4), negative pole (5), cathode pressing plate (6), cathode pole pawl (7), the anode pressing plate (3) and the cover board body
(1) pass through the Positive Poles (2), the cathode respectively between, between the cathode pressing plate (6) and the cover board body (1)
Pole (5) riveting, the anode pole pawl (4), cathode pole pawl (7) are connected to Positive Poles (2), described
Negative pole (5) lower end, the anode pole pawl (4) is identical as cathode pole pawl (7) structure, and the anode pole pawl (4) includes
Two positive pole pawls one (41) and V word connector one (42), two positive pole pawls one (41) are arranged in parallel, and described in two
Positive pole pawl one (41) lower end is attached by the V word connector one (42), described one (42) vertical direction of V word connector
Setting, the V word connector one (42) are to the connector far from the cover board body (1) direction bending, cathode pole pawl
It (7) include two cathode pole pawls one (71) and V word connector two (72).
2. a kind of lithium ion battery cover board according to claim 1, which is characterized in that the V word connector one (42)
Angle between first bending edges (421) and the second bending edges (422) is 80~100 °.
3. a kind of lithium ion battery cover board according to claim 1, which is characterized in that it is described anode pole pawl (4) further include
Connection sheet one (43), connection sheet one (43) the lower end two sides are connect with two described one (41) upper ends of positive pole pawl respectively, institute
Connection sheet one (43) upper end is stated to be set on the Positive Poles (2).
4. a kind of lithium ion battery cover board according to claim 3, which is characterized in that the anode pole pawl (4), described negative
Pole pole pawl (7) is an integral molding structure respectively.
5. a kind of lithium ion battery cover board according to claim 1, which is characterized in that further include two upper sealed insulation pads
(8) and a lower sealed insulation pad (9), two upper sealed insulation pads (8) are separately mounted to table on the cover board body (1)
On face, the anode pressing plate (3), the cathode pressing plate (6) are located in two upper sealed insulation pads (8);Under described
Sealed insulation pad (9) is mounted on the cover board body (1) lower surface.
6. a kind of lithium ion battery cover board according to claim 1, which is characterized in that the cover board body (1) is equipped with
Liquid injection hole (11) and explosionproof hole (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821484498.3U CN208806272U (en) | 2018-09-11 | 2018-09-11 | A kind of lithium ion battery cover board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821484498.3U CN208806272U (en) | 2018-09-11 | 2018-09-11 | A kind of lithium ion battery cover board |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208806272U true CN208806272U (en) | 2019-04-30 |
Family
ID=66237237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821484498.3U Active CN208806272U (en) | 2018-09-11 | 2018-09-11 | A kind of lithium ion battery cover board |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208806272U (en) |
-
2018
- 2018-09-11 CN CN201821484498.3U patent/CN208806272U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 2 Dagang Dashan Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province Patentee after: Lixin (Jiangsu) Energy Technology Co.,Ltd. Address before: No.2, Dagang Dashan Road, New District, Zhenjiang City, Jiangsu Province Patentee before: ETRUST POWER Group Ltd. |