CN208889706U - A kind of power battery and its cover plate assembly - Google Patents
A kind of power battery and its cover plate assembly Download PDFInfo
- Publication number
- CN208889706U CN208889706U CN201821675986.2U CN201821675986U CN208889706U CN 208889706 U CN208889706 U CN 208889706U CN 201821675986 U CN201821675986 U CN 201821675986U CN 208889706 U CN208889706 U CN 208889706U
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- CN
- China
- Prior art keywords
- pole
- cover board
- power battery
- plate assembly
- cover plate
- 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.)
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Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a kind of power battery and its cover plate assemblies, the power battery includes battery case and flow collection sheet, the battery case includes shell and the cover plate assembly above shell, the cover plate assembly includes cover board, the through-hole of suit pole is offered on cover board, the sealing ring for realizing pole and cover board insulation gap is additionally provided between the pole and the cover board, it is equipped on the outside of the cover board and the cover board, the pole and the sealing ring is compressed to connected fixed structure, the pole is hollow structure.The pole of this hollow structure makes pole weight saving, can reduce the weight of entire cover plate assembly and power battery, to improve the energy density of power battery and the ability of bringing onto load work.
Description
Technical field
The utility model relates to a kind of power battery and its cover plate assemblies.
Background technique
The representative of hybrid-power battery and pure electric automobile as new-energy automobile, has gradually obtained the approval of consumer,
Power battery is the important component of new energy battery, is the developing direction of new-energy automobile, thus the continuation of the journey of power battery
Ability and security performance are particularly important, need specially to optimize the structure of power battery to improve its cruising ability and safety
Performance.The security performance of power battery is mainly reflected in its sealing performance, and its cruising ability is mainly reflected in power battery
Energy density and bringing onto load work ability on.The energy density of power battery is released by mean unit quality herein
Electric energy reduces the weight of power battery in the case where power battery interior energy summation is constant, can be improved entire battery
Energy density, while also can be improved the ability of power battery bringing onto load work.Power battery generally comprises battery case and position
Flow collection sheet inside battery case, and battery case includes shell and the cover plate assembly above shell, the prior art
In, for relatively entire power battery, the cover plate assembly weight in battery case is larger, so as to cause the weight of entire power battery
It measures larger, is extremely unfavorable for the raising of power battery energy density and bringing onto load ability to work.
Utility model content
The purpose of this utility model is to provide a kind of cover plate assemblies of power battery, for solving power in the prior art
The larger technical problem of the cover plate assembly weight of battery；Correspondingly, the purpose of this utility model, which also resides in, provides a kind of power electric
Pond causes that its energy density is lower, bringing onto load ability to work since power battery weight is larger in the prior art for solving
Poor technical problem.
To achieve the above object, the technical solution of the utility model cover plate assembly is: cover plate assembly includes cover board, on cover board
The through-hole for offering suit pole is additionally provided with the sealing for realizing pole and cover board insulation gap between the pole and the cover board
Circle, the cover board outside, which is equipped with, compresses the cover board, the pole and the sealing ring connected fixed structure, the pole
For hollow structure.
The beneficial effects of the utility model are: pole is installed in the through-hole of cover board, pole is made into hollow structure, is helped
In the weight for mitigating pole, to mitigate the weight of entire cover plate assembly.
It is further limited as to above-mentioned pole, the pole is column-shape revolving-body, is coaxially provided with circle on the pole
For cylindrical inner chamber so that the pole is hollow structure, pole has the inner end and outer end being located inside and outside the cover board, pole
Column outer end is enclosed construction, and inner end is the hatch frame being connected to cylindrical cavity.With cylindrical cavity and inner end has and opens
The pole of mouth structure while meeting pole intensity, enables the pole to accomplish that weight is most light convenient for the processing and manufacturing of pole.
It is further limited as to above-mentioned fixed structure, the fixed structure includes the ceramics being sleeved on the pole
Ring, the pole are equipped with riveting cap, and the riveting cap is by the ceramic ring, the pole, the sealing ring and the cover board pressure
Fastening connects together.Pole and sealing ring is avoided to fall off from the through-hole of cover board.
It being further limited as to above-mentioned riveting cap, the riveting cap is structure compatible with the pole shape,
And the edge of the riveting cap is contacted with the ceramic ring.While the riveting cap of this structure type is met with pole column riveting, make
The weight of riveting cap reaches most light, is conducive to the weight for mitigating entire cover plate assembly.
It is further limited as to above-mentioned cover plate assembly, between the riveting cap and the ceramic ring and the pottery
Welded seal is carried out between ceramic ring and the cover board respectively.Make to reach better seal effect between cover board and pole.
To achieve the above object, the technical solution of the utility model power battery is: power battery include battery case and
Flow collection sheet, the battery case include shell and the cover plate assembly above shell, and the cover plate assembly includes cover board, on cover board
The through-hole for offering suit pole is additionally provided with the sealing for realizing pole and cover board insulation gap between the pole and the cover board
Circle, the cover board outside, which is equipped with, compresses the cover board, the pole and the sealing ring connected fixed structure, the pole
For hollow structure.
The beneficial effects of the utility model are: pole is installed in the through-hole of cover board in the cover plate assembly of power battery, pole
Column is hollow structure, and the weight for helping to mitigate pole and cover plate assembly improves to mitigate the weight of entire power battery
The ability of energy density and the bringing onto load work of power battery.
It is further limited as to above-mentioned pole, the pole is column-shape revolving-body, is coaxially provided with circle on the pole
For cylindrical inner chamber so that the pole is hollow structure, pole has the inner end and outer end being located inside and outside the cover board, pole
Column outer end is enclosed construction, and inner end is the hatch frame being connected to cylindrical cavity.With cylindrical cavity and inner end has and opens
The pole of mouth structure while meeting pole intensity, enables the pole to accomplish that weight is most light convenient for the processing and manufacturing of pole.
It is further limited as to above-mentioned fixed structure, the fixed structure includes the ceramics being sleeved on the pole
Ring, the pole are equipped with riveting cap, and the riveting cap is by the ceramic ring, the pole, the sealing ring and the cover board pressure
Fastening connects together.Pole and sealing ring is avoided to fall off from cover plate through hole.
It being further limited as to above-mentioned riveting cap, the riveting cap is structure compatible with the pole shape,
And the edge of the riveting cap is contacted with the ceramic ring.While the riveting cap of this structure type is met with pole column riveting, make
The weight of riveting cap reaches most light, is conducive to the weight for mitigating cover plate assembly and entire power battery.
It is further limited as to above-mentioned cover plate assembly, between the riveting cap and the ceramic ring and the pottery
Welded seal is carried out between ceramic ring and the cover board respectively.Power battery is set to reach better seal effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of power battery specific embodiment provided by the utility model；
Fig. 2 is the structural schematic diagram of Fig. 1 cover plate component；
In figure: 1- Positive Poles, 2- cover board, 3- ceramic ring, 4- rivet cap, 5- sealing ring, 6- cover plate assembly, outside 7- battery
Shell, 8- shell, 9- negative pole.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the power battery of the utility model, as shown in Figure 1 to Figure 2, including battery case 7 and flow collection sheet
(not shown), the battery case 7 include shell 8 and the cover plate assembly 6 above shell 8, which includes cover board
2 and two poles, through-hole is provided on cover board 2, two poles install in the through hole, by taking Positive Poles 1 as an example, the present embodiment
In, as shown in Fig. 2, Positive Poles 1 are the column-shape revolving-body with cylindrical section, cylinder is coaxially provided in the Positive Poles 1
Inner cavity, so that the Positive Poles 1 are hollow structure, Positive Poles 1 have the inner end and outer end being located inside and outside cover board 2, just
The inner end of pole pole 1 is the hatch frame for being connected to cylindrical cavity, and outer end is enclosed construction.In other embodiments, positive pole
Column is specially the closed hollow structure for being equipped with cylindrical cavity, with the present embodiment there is cylindrical cavity and end to tie for opening
The Positive Poles 1 of structure are compared, and the present embodiment medial end portions are the production easy to process of Positive Poles 1 of hatch frame.Other embodiments
In, Positive Poles inner cavity can be the Positive Poles 1 with cylindrical cavity in the shapes, with the present embodiment such as cuboid, centrum
It compares, the Positive Poles 1 with cylindrical cavity avoid having lesser wall thickness in Positive Poles 1, and influence the strong of Positive Poles 1
Degree.
In the present embodiment, as shown in Fig. 2, being cased with the sealing for making Positive Poles 1 Yu 2 insulation gap of cover board outside Positive Poles 1
Circle 5 is also cased with ceramic ring 3 outside Positive Poles 1, and ceramic ring 3 be in the outside of cover board 2, be equipped on 1 outer end of Positive Poles and
The riveting cap 4 of 1 phase of Positive Poles riveting, the riveting cap 4 are adapted with the outer end structure of Positive Poles 1, and the riveting cap 4
Outer edge is contacted with the ceramic ring 3 covered on the outside of Positive Poles 1, which is by ceramic ring 3, Positive Poles 1 and sealing
Circle 5 and cover board 2 compress connected fixed structure, limit sealing ring 5 and 1 opposing cover plates 2 of Positive Poles in through-hole along through-hole
Axial displacement, above-mentioned riveting cap 4 compatible with the external structure of Positive Poles 1 keep the weight for riveting cap 4 most light, facilitate
Reduce the weight of entire cover plate assembly 6 and power battery.
In the present embodiment, as shown in Fig. 2, by soldering by ceramic ring 3 and cover board 2, ceramic ring 3 is welded with riveting cap 4
It connects, it is ensured that the sealing performance between Positive Poles 1 and cover board 2 makes power battery have better seal effect.
In the present embodiment, as shown in Fig. 2, negative pole 9 is identical as the structure of the Positive Poles 1 and assembly method.This
Kind is the pole of hollow structure, can reduce the weight of entire cover plate assembly 6 and power battery, close with the energy for improving power battery
The ability of degree and bringing onto load work.
The specific structure of power battery in other embodiments, the specific structure difference with power battery in the present embodiment only exist
In: fixed structure includes the ceramic ring covered on the outside of Positive Poles and the spring washer being located in Positive Poles, the spring washer
In the annular groove of Positive Poles, for fixing the position of Positive Poles and sealing ring with respect to ceramic ring and cover board, anode is avoided
The movement of pole and sealing ring opposing cover plates.This scheme also has the weight for reducing entire cover board and power battery, improves dynamic
The energy density of power battery and the beneficial effect of bringing onto load ability to work.
The specific structure of power battery in other embodiments, the specific structure difference with power battery in the present embodiment only exist
In: fixed structure includes the ceramic ring covered on the outside of Positive Poles and the nut being located in Positive Poles, and Positive Poles are located at lid
The upper side end of plate is equipped with screw thread, nut and being threadedly engaged in Positive Poles, and limits Positive Poles and the opposite pottery of sealing ring
The position of ceramic ring and cover board avoids the movement of Positive Poles and sealing ring opposing cover plates, by soldering by nut and ceramic ring, makes pottery
Ceramic ring is welded with cover board, it is ensured that the sealing effect of power battery makes pole and cover board have better seal performance.It is this
Scheme also has the weight for reducing entire cover plate assembly and power battery, improves the energy density and bringing onto load work of power battery
The beneficial effect of ability.
Cover plate assembly specific structure and above-mentioned power battery in the utility model cover plate assembly specific embodiment is specifically real
The cover plate assembly specific structure applied in example is identical, and details are not described herein again.
Claims (10)
1. a kind of cover plate assembly, including cover board, the through-hole of suit pole is offered on cover board, between the pole and the cover board
It is additionally provided with the sealing ring for realizing pole and cover board insulation gap, is equipped on the outside of the cover board by the cover board, the pole and institute
It states sealing ring and compresses connected fixed structure, it is characterised in that: the pole is hollow structure.
2. cover plate assembly according to claim 1, it is characterised in that: the pole is column-shape revolving-body, on the pole
Cylindrical cavity is coaxially provided with so that the pole is hollow structure, pole has the inner end being located inside and outside the cover board
And outer end, pole outer end are enclosed construction, inner end is the hatch frame being connected to cylindrical cavity.
3. cover plate assembly according to claim 1 or 2, it is characterised in that: the fixed structure includes being sleeved on the pole
Ceramic ring on column, the pole be equipped with riveting cap, the riveting cap by the ceramic ring, the pole, the sealing ring and
The cover board compression is fixed together.
4. cover plate assembly according to claim 3, it is characterised in that: the riveting cap is to be adapted with the pole shape
Structure, and the edge of the riveting cap is contacted with the ceramic ring.
5. cover plate assembly according to claim 3, it is characterised in that: between the riveting cap and the ceramic ring, and
Welded seal is carried out between the ceramic ring and the cover board respectively.
6. a kind of power battery, including battery case and flow collection sheet, which includes shell and the lid above shell
Board group part, the cover plate assembly include cover board, the through-hole of suit pole are offered on cover board, between the pole and the cover board
It is additionally provided with the sealing ring for realizing pole and cover board insulation gap, is equipped on the outside of the cover board by the cover board, the pole and institute
It states sealing ring and compresses connected fixed structure, it is characterised in that: the pole is hollow structure.
7. power battery according to claim 6, it is characterised in that: the pole is column-shape revolving-body, on the pole
Cylindrical cavity is coaxially provided with so that the pole is hollow structure, pole has the inner end being located inside and outside the cover board
And outer end, pole outer end are enclosed construction, inner end is the hatch frame being connected to cylindrical cavity.
8. power battery according to claim 6 or 7, it is characterised in that: the fixed structure includes being sleeved on the pole
Ceramic ring on column, the pole be equipped with riveting cap, the riveting cap by the ceramic ring, the pole, the sealing ring and
The cover board compression is fixed together.
9. power battery according to claim 8, it is characterised in that: the riveting cap is to be adapted with the pole shape
Structure, and the edge of the riveting cap is contacted with the ceramic ring.
10. power battery according to claim 8, it is characterised in that: between the riveting cap and the ceramic ring, and
Welded seal is carried out between the ceramic ring and the cover board respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675986.2U CN208889706U (en) | 2018-10-16 | 2018-10-16 | A kind of power battery and its cover plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675986.2U CN208889706U (en) | 2018-10-16 | 2018-10-16 | A kind of power battery and its cover plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208889706U true CN208889706U (en) | 2019-05-21 |
Family
ID=66516145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821675986.2U Active CN208889706U (en) | 2018-10-16 | 2018-10-16 | A kind of power battery and its cover plate assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208889706U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725444A (en) * | 2020-06-10 | 2020-09-29 | 靖江市东达新能源科技有限公司 | Power battery top cover plate assembly |
| CN112820988A (en) * | 2021-01-20 | 2021-05-18 | 东莞塔菲尔新能源科技有限公司 | Power battery top cover structure and power battery |
| CN113363680A (en) * | 2021-06-11 | 2021-09-07 | 刘义 | Positive pole subassembly, negative pole subassembly and battery cover board subassembly |
| CN113707978A (en) * | 2021-09-15 | 2021-11-26 | 安徽庐江凯胜新能源科技有限公司 | High-safety battery top cover and processing method thereof |
| CN114361664A (en) * | 2021-12-22 | 2022-04-15 | 江苏海基新能源股份有限公司 | Square hard-shell lithium ion battery cover plate, battery and assembly method |
-
2018
- 2018-10-16 CN CN201821675986.2U patent/CN208889706U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725444A (en) * | 2020-06-10 | 2020-09-29 | 靖江市东达新能源科技有限公司 | Power battery top cover plate assembly |
| CN112820988A (en) * | 2021-01-20 | 2021-05-18 | 东莞塔菲尔新能源科技有限公司 | Power battery top cover structure and power battery |
| CN113363680A (en) * | 2021-06-11 | 2021-09-07 | 刘义 | Positive pole subassembly, negative pole subassembly and battery cover board subassembly |
| CN113707978A (en) * | 2021-09-15 | 2021-11-26 | 安徽庐江凯胜新能源科技有限公司 | High-safety battery top cover and processing method thereof |
| CN114361664A (en) * | 2021-12-22 | 2022-04-15 | 江苏海基新能源股份有限公司 | Square hard-shell lithium ion battery cover plate, battery and assembly method |
| CN114361664B (en) * | 2021-12-22 | 2024-03-15 | 江苏海基新能源股份有限公司 | Square hard shell lithium ion battery cover plate, battery and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee after: Kaibo Energy Technology Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee before: Kaibo Energy Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220111 Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee before: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. |