CN220914405U - Special battery cover assembly for high temperature, high pressure and high multiplying power - Google Patents
Special battery cover assembly for high temperature, high pressure and high multiplying power Download PDFInfo
- Publication number
- CN220914405U CN220914405U CN202322423177.XU CN202322423177U CN220914405U CN 220914405 U CN220914405 U CN 220914405U CN 202322423177 U CN202322423177 U CN 202322423177U CN 220914405 U CN220914405 U CN 220914405U
- Authority
- CN
- China
- Prior art keywords
- battery
- mounting hole
- positive pole
- sealing sleeve
- high temperature
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a special battery cover assembly for high temperature, high pressure and high multiplying power, which comprises a cover plate, wherein a battery shell is arranged at the top of the cover plate, a battery core is arranged in the battery shell, a negative electrode lug is arranged at the bottom of one end of the battery core, a positive electrode lug is arranged at the bottom of the other end of the battery core, a mounting hole is formed in the cover plate right below the positive electrode lug, a positive electrode column is arranged in the mounting hole, an extrusion hole is formed in the center of the top of the positive electrode column, an extrusion plug column is arranged in the extrusion hole, and a sealing sleeve is arranged between the positive electrode column and the inner side wall of the mounting hole. The utility model has reasonable structure and good use effect after adopting the scheme.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a special battery cover assembly for high temperature, high pressure and high multiplying power.
Background
At present, a full-tab cylindrical lithium battery has the advantages of large capacity, quick charging, excellent battery thermal runaway performance, strong internal bearing capacity, convenience for automatic production and the like, so that the full-tab cylindrical lithium battery becomes a mainstream development direction of future batteries, in the production process of the lithium battery, the end part of a shell is always required to be sealed to form a positive electrode end and a negative electrode end of the lithium battery, and a sealing structure of the positive electrode end is very important for the design and the production process of the lithium battery. In a high-temperature and high-voltage environment, when high-current and high-rate discharge is required, a special battery is required, so that a special battery cover group which can adapt to the high-temperature, high-pressure and high-rate special environment is required. The traditional lithium battery positive end sealing structure is complicated in design and poor in sealing effect, so that the sealing of the lithium battery positive end cannot reach the best structural state.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the special battery cover assembly for the high-temperature high-pressure high-magnification, which has reasonable structure and good use effect.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides a high temperature high pressure high multiplying power is with special battery cover subassembly, it is including the apron, the battery case is installed at the apron top, be equipped with the electric core in the battery case, electric core one end bottom is equipped with the negative pole ear, electric core other end bottom is equipped with the positive pole ear, be equipped with the mounting hole that runs through from top to bottom on the apron under the positive pole ear, be equipped with the positive pole post in the mounting hole, positive pole post top center department is equipped with the extrusion hole that the indent formed, be equipped with the extrusion cock stem in the extrusion hole, install sealed sleeve pipe between positive pole post and the mounting hole inside wall.
The expansion of positive post top be formed with spacing limit, be equipped with the insulating piece between spacing limit bottom and the sealing sleeve top, the expansion of positive post bottom be formed with spacing limit down, spacing limit bottom is contradicted with sealing sleeve bottom down.
The top and the bottom of the mounting hole are both expanded to form a limiting clamping groove, the top and the bottom of the sealing sleeve are both expanded to form limiting edges, and the limiting edges are embedded in the corresponding limiting clamping grooves.
The top edge of the cover plate is provided with a concave battery shell installation position, and the bottom of the battery shell is buckled on the battery shell installation position.
After the scheme is adopted, the electrode column is expanded by utilizing the extrusion plug column inserted into the middle of the inner side of the electrode column, and the sealing sleeve around the electrode column is extruded after the electrode column is expanded, so that high tightness is realized, the high-temperature high-pressure high-magnification special environment is adapted, and meanwhile, the processing is convenient; the utility model has reasonable structure and good use effect after adopting the scheme.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Detailed Description
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
The utility model is further described below with reference to all drawings, in which preferred embodiments of the utility model are: referring to fig. 1, the special battery cover assembly for high temperature, high pressure and high multiplying power in this embodiment includes a cover plate 1, a battery case 6 is mounted on the top of the cover plate 1, a concave battery case mounting position is provided at the edge of the top of the cover plate 1, the bottom of the battery case 6 is fastened on the battery case mounting position, a battery cell 7 is provided in the battery case 6, a negative electrode lug 5 is provided at the bottom of one end of the battery cell 7, a positive electrode lug 8 is provided at the bottom of the other end of the battery cell 7, a mounting hole penetrating vertically is provided on the cover plate 1 right below the positive electrode lug 8, a positive electrode column 3 is provided in the mounting hole, a concave extrusion hole is provided at the center of the top of the positive electrode column 3, a extrusion plug column 4 is provided in the extrusion hole, and a sealing sleeve 2 is mounted between the positive electrode column 3 and the inner side wall of the mounting hole; an upper limit edge is formed by expanding the top of the positive pole 3, an insulating sheet 9 is arranged between the bottom of the upper limit edge and the top of the sealing sleeve 2, a lower limit edge is formed by expanding the bottom of the positive pole 3, and the bottom of the lower limit edge is abutted against the bottom of the sealing sleeve 2; the top and the bottom of the mounting hole are both expanded to form a limiting clamping groove, the top and the bottom of the sealing sleeve 2 are both expanded to form limiting edges, and the limiting edges are embedded in the corresponding limiting clamping grooves. After the embodiment is adopted, the electrode column is expanded by utilizing the extrusion plug column inserted into the middle of the inner side of the electrode column, and the sealing sleeve around the electrode column is extruded after the electrode column is expanded, so that high tightness is realized, the high-temperature high-pressure high-magnification special environment is adapted, and meanwhile, the processing is convenient; the utility model has reasonable structure and good use effect after adopting the embodiment.
The above-mentioned embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so that all changes made in the shape and principles of the present utility model are covered by the scope of the present utility model.
Claims (4)
1. The utility model provides a high temperature high pressure high multiplying power is with special battery cover subassembly, it includes apron (1), its characterized in that: the battery case (6) is installed at apron (1) top, be equipped with electric core (7) in battery case (6), electric core (7) one end bottom is equipped with negative pole ear (5), electric core (7) other end bottom is equipped with anodal ear (8), be equipped with the mounting hole that runs through from top to bottom on apron (1) under anodal ear (8), be equipped with positive pole (3) in the mounting hole, positive pole (3) top center department is equipped with the extrusion hole that the indent formed, be equipped with extrusion plug (4) in the extrusion hole, install sealing sleeve (2) between positive pole (3) and the mounting hole inside wall.
2. The special battery cover assembly for high temperature, high pressure and high magnification according to claim 1, wherein: the expansion of positive pole (3) top is formed with spacing limit, is equipped with insulating piece (9) between last spacing limit bottom and sealing sleeve (2) top, and the expansion of positive pole (3) bottom is formed with spacing limit down, and spacing limit bottom is contradicted with sealing sleeve (2) bottom down.
3. The special battery cover assembly for high temperature, high pressure and high magnification according to claim 1, wherein: the top and the bottom of the mounting hole are respectively expanded to form a limiting clamping groove, the top and the bottom of the sealing sleeve (2) are respectively expanded to form limiting edges, and the limiting edges are embedded in the corresponding limiting clamping grooves.
4. The special battery cover assembly for high temperature, high pressure and high magnification according to claim 1, wherein: the top edge of the cover plate (1) is provided with a concave battery shell installation position, and the bottom of the battery shell (6) is buckled on the battery shell installation position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322423177.XU CN220914405U (en) | 2023-09-07 | 2023-09-07 | Special battery cover assembly for high temperature, high pressure and high multiplying power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322423177.XU CN220914405U (en) | 2023-09-07 | 2023-09-07 | Special battery cover assembly for high temperature, high pressure and high multiplying power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220914405U true CN220914405U (en) | 2024-05-07 |
Family
ID=90906600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322423177.XU Active CN220914405U (en) | 2023-09-07 | 2023-09-07 | Special battery cover assembly for high temperature, high pressure and high multiplying power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220914405U (en) |
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2023
- 2023-09-07 CN CN202322423177.XU patent/CN220914405U/en active Active
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