CN215299466U - Square aluminum-shell battery cover plate - Google Patents
Square aluminum-shell battery cover plate Download PDFInfo
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- CN215299466U CN215299466U CN202121415529.1U CN202121415529U CN215299466U CN 215299466 U CN215299466 U CN 215299466U CN 202121415529 U CN202121415529 U CN 202121415529U CN 215299466 U CN215299466 U CN 215299466U
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- negative pole
- connecting sheet
- negative
- pole
- positive
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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
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- Gas Exhaust Devices For Batteries (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
A square aluminum shell battery cover plate comprises a base plate and a lower plastic plate which are connected into a whole, wherein the lower plastic plate is connected with a negative connecting sheet and a positive connecting sheet, and the negative connecting sheet and the positive connecting sheet are respectively provided with a boss part; the substrate is provided with an integrally punched and formed anode pole and a sunken cathode mounting groove; a negative pole column sealing ring with a T-shaped section is arranged at the negative pole mounting groove, the inner diameter of the negative pole column sealing ring is in interference fit with the boss part of the negative pole connecting sheet, and the lower end surface of the negative pole column sealing ring is in contact with the substrate surface; the inside fastening connection of negative pole utmost point post sealing washer has negative pole utmost point post, and the diameter of negative pole utmost point post is greater than the negative pole mounting groove. The utility model discloses a positive pole post and the integrative stamping forming of base plate, negative pole post sealing washer and boss portion interference fit, the diameter of negative pole post is greater than settings such as the aperture of negative pole mounting groove, has promoted the security of battery apron.
Description
Technical Field
The utility model relates to a battery apron field, concretely relates to square aluminum hull battery apron.
Background
With the proposal of the national carbon neutralization strategic target and the high-speed development of 5G communication, the lithium ion battery has the advantages of high working voltage, high specific energy and the like, so that the requirements of the lithium ion battery on energy storage and communication markets are rapidly increased; because the market has variable use environment and longer service life, higher requirements are put forward on the structural stability of the battery; at present, square aluminum-shell lithium ion batteries are adopted in the market mainstream, and the cover plate is used as a core component in the battery structure, so that higher requirements on stability are met.
Disclosure of Invention
The utility model provides a square aluminum hull battery apron next explains this technical scheme further.
A square aluminum shell battery cover plate comprises a base plate and a lower plastic plate which are connected into a whole, wherein the lower plastic plate is connected with a negative connecting sheet and a positive connecting sheet, the negative connecting sheet and the positive connecting sheet are respectively provided with a boss part, and the boss parts upwards penetrate through the base plate and the lower plastic plate; the substrate is provided with an integrally punched and formed anode pole and a sunken cathode mounting groove; a negative pole column sealing ring with a T-shaped section is arranged at the negative pole mounting groove, the inner diameter of the negative pole column sealing ring is in interference fit with the boss part of the negative pole connecting sheet, and the lower end surface of the negative pole column sealing ring is in contact with the substrate surface; the inside of the negative pole sealing ring is fixedly connected with a negative pole, the diameter of the negative pole is larger than that of the negative pole mounting groove, and the positive pole and the negative pole are respectively contacted with the lug bosses of the negative pole connecting sheet and the positive pole connecting sheet; still fixedly connected with negative pole insulating piece, anodal insulating piece on the base plate, negative pole insulating piece, anodal insulating piece compress tightly respectively on negative pole utmost point post, anodal utmost point post.
Preferably, the base plate and the lower plastic plate are connected through a sealing rubber nail, and a sealing aluminum nail is further connected to the connection position of the sealing rubber nail of the base plate.
Preferably, the substrate is provided with an explosion-proof valve, and the substrate is provided with an explosion-proof valve patch for covering and protecting the explosion-proof valve.
Preferably, the negative connecting piece and the positive connecting piece are provided with positioning holes, so that the position deviation during battery assembly is effectively avoided.
Has the advantages that: compared with the prior art, the utility model has the advantages that the positive pole column and the base plate are integrally formed by punching, the arrangement of sealant is omitted, the risk of safety caused by battery leakage due to aging of the sealing element is reduced, and meanwhile, the cost of the positive pole column and the cost of the sealing element are effectively reduced; the inner diameter of the cathode post sealing ring is in interference fit with the boss part of the cathode connecting sheet, the end face of the cathode post sealing ring is in contact with the substrate, and the cathode post sealing ring deforms under the pressure of the cathode post, so that effective sealing of shaft sealing and surface sealing is formed, the air tightness of the battery is ensured, and the adaptability of the battery to the environment is improved; the diameter of negative pole post is greater than the aperture of negative pole mounting groove, shifts the pushing down of negative pole post on the base plate, has avoided insulating piece softening on the negative pole under high temperature and has leaded to negative pole post to sink and then arouse the risk of battery weeping to take place.
Drawings
FIG. 1: the structure of the utility model is shown in an explosion diagram;
FIG. 2: the utility model has a structural section view;
in the figure: the base plate 1, lower board 2 of moulding, negative pole connection piece 3, positive pole connection piece 4, boss portion 301, anodal utmost point post 5, negative pole utmost point post sealing washer 6, negative pole utmost point post 7, negative pole mounting groove 101, negative pole insulating piece 8, anodal insulating piece 9, explosion-proof valve 10, explosion-proof valve paster 11, sealed glue nail 12, sealed aluminium nail 13, locating hole 14.
Detailed Description
A specific embodiment of the present invention will now be described in detail with reference to fig. 1-2.
A square aluminum shell battery cover plate comprises a base plate 1 and a lower plastic plate 2 which are connected into a whole through a sealing rubber nail 12, wherein the base plate 1 is also connected with a sealing aluminum nail 13 at the joint of the sealing rubber nail, the lower plastic plate 2 is connected with a negative connecting sheet 3 and a positive connecting sheet 4, boss parts 301 are arranged on the negative connecting sheet 3 and the positive connecting sheet 4, and the boss parts 301 penetrate through the base plate 1 and the lower plastic plate 2 upwards; the base plate 1 is provided with an integrally punched and formed anode pole 5 and a sunken cathode mounting groove 101, a cathode pole sealing ring 6 with a T-shaped section is arranged at the cathode mounting groove 101, the inner diameter of the cathode pole sealing ring 6 is in interference fit with a boss part 301 of a cathode connecting sheet, and the lower end face of the cathode pole sealing ring 6 is in surface contact with the base plate 1; the negative pole sealing ring 6 is internally and fixedly connected with a negative pole 7, the diameter of the negative pole 7 is larger than that of the negative pole mounting groove 101, and the positive pole 5 and the negative pole 7 are respectively contacted with the negative pole connecting sheet 3 and the boss part 301 of the positive pole connecting sheet 4; still fixedly connected with negative pole insulating piece 8, anodal insulating piece 9 on the base plate 1, negative pole insulating piece 8, anodal insulating piece 9 compress tightly respectively on negative pole utmost point post 7, anodal utmost point post 5.
The base plate 1 is also provided with an explosion-proof valve 10 for carrying out explosion-proof protection on the aluminum shell battery, and the base plate 1 is also provided with an explosion-proof valve patch 11 for covering and protecting the explosion-proof valve 10.
In order to ensure the installation precision, the positive and negative connecting plates are also provided with positioning holes 14, so that the position deviation during the battery assembly is effectively avoided.
In this embodiment:
the positive pole and the substrate are integrally punched and formed, so that the arrangement of sealant is omitted, the risk of safety caused by battery leakage due to aging of the sealing element is reduced, and meanwhile, the cost of the positive pole and the sealing element is effectively reduced;
the inner diameter of the cathode post sealing ring is in interference fit with the boss part of the cathode connecting sheet, the end face of the cathode post sealing ring is in contact with the substrate, and the cathode post sealing ring deforms under the pressure of the cathode post, so that effective sealing of shaft sealing and surface sealing is formed, the air tightness of the battery is ensured, and the adaptability of the battery to the environment is improved;
the diameter of negative pole post is greater than the aperture of negative pole mounting groove, shifts the pushing down of negative pole post on the base plate, has avoided insulating piece softening on the negative pole under high temperature and has leaded to negative pole post to sink and then arouse the risk of battery weeping to take place.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A square aluminum-shell battery cover plate comprises a base plate (1) and a lower plastic plate (2) which are connected into a whole, wherein the lower plastic plate (2) is connected with a negative connecting sheet (3) and a positive connecting sheet (4), boss parts (301) are arranged on the negative connecting sheet (3) and the positive connecting sheet (4), and the boss parts (301) upwards penetrate through the base plate (1) and the lower plastic plate (2); the method is characterized in that:
the substrate (1) is provided with an integrally punched and formed anode pole (5) and a sunken cathode mounting groove (101);
a negative pole sealing ring (6) with a T-shaped section is arranged at the negative pole mounting groove (101), the inner diameter of the negative pole sealing ring (6) is in interference fit with the boss part (301) of the negative pole connecting sheet, and the lower end surface of the negative pole sealing ring (6) is in surface contact with the substrate (1);
the negative pole sealing ring (6) is internally and fixedly connected with a negative pole (7), the diameter of the negative pole (7) is larger than that of the negative pole mounting groove (101), and the positive pole (5) and the negative pole (7) are respectively contacted with the lug boss parts (301) of the negative pole connecting sheet (3) and the positive pole connecting sheet (4);
the base plate (1) is also fixedly connected with a negative pole insulation sheet (8) and a positive pole insulation sheet (9), and the negative pole insulation sheet (8) and the positive pole insulation sheet (9) are respectively pressed on the negative pole column (7) and the positive pole column (5).
2. The square aluminum can battery cover plate of claim 1, wherein:
the base plate (1) and the lower plastic plate (2) are connected through a sealing rubber nail (12), and a sealing aluminum nail (13) is further connected to the base plate (1) at the joint of the sealing rubber nail (12).
3. The square aluminum can battery cover plate of claim 1, wherein:
an explosion-proof valve (10) is arranged on the substrate (1).
4. The square aluminum can battery cover plate of claim 3, wherein:
the substrate (1) is provided with an explosion-proof valve patch (11) for covering and protecting the explosion-proof valve (10).
5. The square aluminum can battery cover plate of claim 1, wherein:
and positioning holes (14) are arranged on the negative connecting sheet (3) and the positive connecting sheet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415529.1U CN215299466U (en) | 2021-06-24 | 2021-06-24 | Square aluminum-shell battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415529.1U CN215299466U (en) | 2021-06-24 | 2021-06-24 | Square aluminum-shell battery cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215299466U true CN215299466U (en) | 2021-12-24 |
Family
ID=79518202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121415529.1U Active CN215299466U (en) | 2021-06-24 | 2021-06-24 | Square aluminum-shell battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215299466U (en) |
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2021
- 2021-06-24 CN CN202121415529.1U patent/CN215299466U/en active Active
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