CN211238304U - Battery top cover structure without pole column - Google Patents
Battery top cover structure without pole column Download PDFInfo
- Publication number
- CN211238304U CN211238304U CN201922193413.7U CN201922193413U CN211238304U CN 211238304 U CN211238304 U CN 211238304U CN 201922193413 U CN201922193413 U CN 201922193413U CN 211238304 U CN211238304 U CN 211238304U
- Authority
- CN
- China
- Prior art keywords
- hole
- battery
- top cap
- top cover
- sealing gasket
- 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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Links
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to the technical field of battery top covers, and discloses a battery top cover structure of an electrodeless column, which comprises a top cover plate, a sealing gasket and a lug which is generated in the winding process of an electric core, wherein the top cover plate is provided with a through hole, the through hole penetrates through the top cover plate from top to bottom, and the lug extends upwards from the inside of the battery through the through hole and is electrically connected with an external circuit; a sealing gasket is filled between the through hole and the lug; a lug generated in the winding process of the battery cell upwards passes through the through hole and is electrically connected with an external circuit, so that the conduction of the battery cell and the external circuit is realized; a sealing gasket is filled between the through hole and the lug, so that the through hole is sealed, and sundries or water are prevented from entering the battery along the through hole, so that the battery core is damaged; through the effect that utmost point ear replaced utmost point post for overall structure is simple, and spare part is less, and the process reduces during the assembly, can realize rapid Assembly, has improved the production efficiency of product.
Description
Technical Field
The patent of the utility model relates to a battery top cap's technical field particularly, relates to battery top cap structure of no utmost point post.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Because the chemical properties of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high, and the lithium battery becomes the mainstream at present along with the development of scientific technology.
Traditional battery top cap includes explosion-proof valve, upset piece, sealing washer, utmost point post, lower plastic, connection piece and naked electric core isotructure, and the sealing washer plays sealed protection's effect to the battery top cap, and utmost point post one end is connected with naked electric core, and the other end is connected with external circuit, realizes naked electric core and external circuit to switch on.
The existing battery top cover has more parts, complex structure, more working procedures during assembly and long assembly time, so that the production efficiency of products is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery top cap structure of no utmost point post aims at solving prior art, and battery top cap part is more, assemble the trouble problem.
The utility model discloses a realize like this, the battery top cap structure of utmost point post, including lamina tecti, sealed pad and the utmost point ear that produces in the electricity core coiling process, the lamina tecti has the through hole, the through hole top-down runs through the lamina tecti, the utmost point ear extends through the through hole from inside the battery up, with external circuit electric connection; and the sealing gasket is filled between the through hole and the lug.
Further, the tabs are arranged vertically.
Further, the upper end face of the tab is higher than the upper surface of the top cover plate.
Further, the lower surface of lamina tecti is equipped with down the plastic, the top surface laminating of plastic down the lamina tecti, the bottom surface laminating of plastic down the electricity core.
Further, the tab penetrates through the lower plastic, and the lower plastic surrounds the periphery of the tab.
Furthermore, the upper portion of the sealing gasket is located above the top cover plate and extends outwards to form an upper extension section, the upper extension section of the sealing gasket abuts against the upper surface of the top cover plate, and the through hole is sealed and covered.
Further, the lower portion of the sealing gasket is located below the top cover plate and extends outwards to form a lower extension section, the lower extension section of the sealing gasket abuts against the lower surface of the top cover plate, and the through hole is covered.
Further, the through hole is square.
Further, the bottom surface of the lower extension section of the sealing gasket is lower than the lower surface of the top cover plate, and the lower extension section of the sealing gasket is embedded into the lower plastic.
Compared with the prior art, the pole-free battery top cover structure provided by the utility model has the advantages that the pole ear generated in the winding process of the battery core upwards passes through the through hole and is electrically connected with the external circuit, so that the conduction between the battery core and the external circuit is realized; a sealing gasket is filled between the through hole and the lug, so that the through hole is sealed, and sundries or water are prevented from entering the battery along the through hole, so that the battery core is damaged; through the effect that utmost point ear replaced utmost point post for overall structure is simple, and spare part is less, and the process reduces during the assembly, can realize rapid Assembly, has improved the production efficiency of product.
Drawings
Fig. 1 is a schematic perspective view of a non-polar battery top cap structure provided by the present invention;
fig. 2 is a sectional schematic view of the structure of the battery top cover without the pole provided by the present invention;
fig. 3 is an exploded view of the non-polar post battery top cover structure provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-3, the preferred embodiment of the present invention is shown.
The non-polar-column battery top cover structure provided by this embodiment can be applied to a lithium ion battery, and certainly, can also be applied to other batteries, and is not limited to the application in this embodiment.
The pole-free battery top cover structure comprises a top cover plate 11, a sealing gasket 12 and a pole lug 13 generated in the winding process of a battery cell, wherein the top cover plate 11 is provided with a through hole 14, the through hole 14 penetrates through the top cover plate 11 from top to bottom, and the pole lug 13 upwards extends through the through hole 14 from the inside of the battery and is electrically connected with an external circuit; the gasket 12 is filled between the through hole 14 and the tab 13.
In the pole-free battery top cover structure, the tab 13 generated in the winding process of the battery core upwards passes through the through hole 14 and is electrically connected with an external circuit, so that the conduction between the battery core and the external circuit is realized; a sealing gasket 12 is filled between the through hole 14 and the tab 13, so that the through hole 14 is sealed, and sundries or water are prevented from entering the battery along the through hole 14, so that the battery core is damaged; through the effect that utmost point ear 13 replaced utmost point post for overall structure is simple, and spare part is less, and the process reduces during the assembly, can realize rapid Assembly, has improved the production efficiency of product.
The tab 13 is vertically arranged, and the upper end face of the tab 13 is higher than the upper surface of the top cover plate 11, so that the tab 13 is exposed above the top cover plate 11, and is convenient to be in contact connection with an external circuit.
The lower surface of lamina tecti 11 is equipped with down plastic 15, lower plastic 15's top surface laminating lamina tecti 11, lower plastic 15's bottom surface laminating electric core to carry on spacingly in vertical direction to electric core, make electric core unable rock from top to bottom, improve the steadiness of electric core.
The upper portion of sealed pad 12 is in the top of lamina tecti 11, and extends outward and form and go up epitaxial section 16, and the last epitaxial section 16 butt of sealed pad 12 is at the upper surface of lamina tecti 11, and closing cap through hole 14, when realizing sealed the through hole 14 top, the upper surface of lamina tecti 11 also plays the supporting role to sealed pad 12, avoids sealed pad 12 to slide down, improves the stability of sealed pad 12.
The lower part of sealed pad 12 is in the below of lamina tecti 11, and extends outward and form down extension section 17, the lower extension section 17 butt of sealed pad 12 is at the lower surface of lamina tecti 11, and closing cap through hole 14, when the realization is sealed to through hole 14 below, the sealed pad 12 of upwards sliding is also avoided to the lower surface of lamina tecti 11, the sealed upper extension section 16 of pad 12 of cooperation realizes spacing sealed pad 12 in the vertical direction, avoid sealed pad 12 to take place to rock.
The through-hole 14 is square, so that the sealing gasket 12 is prevented from rotating in the through-hole 14, and the position of the sealing gasket is fixed.
The bottom surface of the lower extension section 17 of the sealing gasket 12 is lower than the lower surface of the top cover plate 11, and the lower extension section 17 of the sealing gasket 12 is embedded into the lower plastic 15, so that the lower plastic 15 is limited, and the lower plastic 15 is fixed relative to the top cover plate 11.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The pole-free battery top cover structure is characterized by comprising a top cover plate, a sealing gasket and a pole lug generated in the winding process of a battery core, wherein the top cover plate is provided with a through hole which penetrates through the top cover plate from top to bottom, and the pole lug upwards extends through the through hole from the inside of the battery and is electrically connected with an external circuit; and the sealing gasket is filled between the through hole and the lug.
2. The post-less battery cap structure of claim 1, wherein the tabs are vertically disposed.
3. The post-less battery top cap structure of claim 2, wherein the upper end surfaces of the tabs are higher than the upper surface of the top cap plate.
4. The post-less battery top cap structure of claim 3, wherein a lower plastic is disposed on a lower surface of the top cap plate, a top surface of the lower plastic is attached to the top cap plate, and a bottom surface of the lower plastic is attached to the battery cell.
5. The post-less battery top cap structure of claim 4, wherein the tab passes through the lower plastic, and the lower plastic encloses the outer perimeter of the tab.
6. The post-less battery top cap structure of claim 4, wherein the upper portion of the sealing gasket is located above the top cap plate and extends outward to form an upper extension section, and the upper extension section of the sealing gasket abuts against the upper surface of the top cap plate and covers the through hole.
7. The post-less battery top cap structure of claim 6, wherein the lower portion of the sealing gasket is located below the top cap plate and extends outward to form a lower extension section, the lower extension section of the sealing gasket abuts against the lower surface of the top cap plate and covers the through hole.
8. The post-less battery top cap structure of claim 7, wherein the through-hole is square.
9. The post-less battery top cap structure of claim 8, wherein the bottom surface of the lower extension section of the gasket is lower than the lower surface of the top cap plate, and the lower extension section of the gasket is embedded in the lower plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193413.7U CN211238304U (en) | 2019-12-09 | 2019-12-09 | Battery top cover structure without pole column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193413.7U CN211238304U (en) | 2019-12-09 | 2019-12-09 | Battery top cover structure without pole column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211238304U true CN211238304U (en) | 2020-08-11 |
Family
ID=71917713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922193413.7U Active CN211238304U (en) | 2019-12-09 | 2019-12-09 | Battery top cover structure without pole column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211238304U (en) |
-
2019
- 2019-12-09 CN CN201922193413.7U patent/CN211238304U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 399 Minghu Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Ruidefeng Precision Technology Co.,Ltd. Country or region after: China Address before: 399 Minghu Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: Changzhou Redford Precision Technology Co.,Ltd. Country or region before: China |