CN210692597U - Battery top cap structure convenient to assemble - Google Patents
Battery top cap structure convenient to assemble Download PDFInfo
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- CN210692597U CN210692597U CN201921994334.XU CN201921994334U CN210692597U CN 210692597 U CN210692597 U CN 210692597U CN 201921994334 U CN201921994334 U CN 201921994334U CN 210692597 U CN210692597 U CN 210692597U
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- hole
- top cover
- pole
- pressing plate
- structure convenient
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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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- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of battery top covers, and discloses a battery top cover structure convenient to assemble, which comprises a top cover plate, a pole column, an injection molding piece, a pressing plate and a sealing ring, wherein the top cover plate is provided with a through hole, the pole column is embedded into the through hole and is positioned at the upper part of the through hole, and the injection molding piece is filled between the pole column and the through hole; the pressing plate is positioned at the lower part of the through hole and is welded and fixed with the wall surface of the through hole; the bottom surface of the sealing ring is abutted against the upper surface of the pressing plate, and the top surface of the sealing ring is abutted against the lower end surface of the pole; during assembly, only the pole and the top cover plate need to be fixed through the injection molding part, so that the whole pole and the top cover plate are formed into a whole, the sealing ring is placed on the lower end face of the pole, and the pressing plate is welded to the through hole, so that the sealing ring is clamped between the pole and the pressing plate, the bottom surface of the sealing ring is abutted to the upper surface of the pressing plate, the whole battery top cover is assembled, parts of the battery top cover are reduced, the installation between every two parts is more convenient, the convenience sealing ring and the pressing plate in the whole assembly process are not required to be fixed.
Description
Technical Field
The patent of the utility model relates to a battery top cap's technical field particularly, relates to the convenient battery top cap structure of assembly.
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 top cap board, utmost point post, goes up the plastic, down plastic, explosion-proof piece and explosion-proof piece protection film etc. and utmost point post wears to establish in the top cap board, need assemble each part in proper order during the assembly.
Because present battery top cap spare is more, and the installation between every part is not convenient during the assembly, leads to the assembly process of whole battery top cap comparatively complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a assemble convenient battery top cap structure, aim at solving prior art, the not convenient problem of battery top cap assembly.
The utility model discloses a battery top cap structure that realizes like this, assemble convenient, including lamina tecti, utmost point post, injection molding, clamp plate and sealing washer, the lamina tecti has the through hole, utmost point post embedding in the through hole, be in the upper portion of through hole, and fill between utmost point post and the through hole the injection molding, utmost point post and lamina tecti form an organic whole through the injection molding; the pressing plate is positioned at the lower part of the through hole and is welded and fixed with the wall surface of the through hole; the bottom surface of the sealing ring is abutted to the upper surface of the pressing plate, and the top surface of the sealing ring is abutted to the lower end surface of the pole.
Furthermore, the periphery of the pole is in a step shape, the upper part of the through hole is in a step shape, and the pole is embedded with the upper part of the through hole.
Further, the upper end face of the top cover plate extends upwards to form an enclosing section, and the enclosing section encloses and forms the upper part of the through hole.
Further, the injection molding part extends upwards to the outer part of the through hole and covers the enclosing section.
Further, the upper surface of injection molding is level and smooth to be arranged, and with the up end parallel and level of utmost point post.
Further, the upper end face of the pole protrudes upward to form an outer connection section for connection with an external circuit.
Further, the top surface of the sealing ring is abutted with the lower end face of the pole in an attaching mode.
Furthermore, the lower part of the through hole is outwards sunken to form a welding section, and the pressing plate is embedded in the welding section and is welded and fixed with the outer surface of the welding section.
Further, the lower surface of the pressing plate is flush with the lower end surface of the top cover plate.
Furthermore, the pressing plate is provided with a through hole, the through hole is arranged opposite to the through hole, and the inner wall of the through hole is obliquely arranged.
Compared with the prior art, the utility model provides a battery top cap structure convenient to assemble, only need during the assembly earlier to pass through the injection molding fixed with the lamina tecti with utmost point post, make it temporarily form a whole, place the sealing washer at the lower terminal surface of utmost point post, weld the clamp plate on the through hole again, make the sealing washer be pressed from both sides between utmost point post and clamp plate, and the bottom surface butt of sealing washer the upper surface of clamp plate, can realize the assembly of whole battery top cap, the part of battery top cap reduces, the installation between every part is more convenient, thereby improve the convenience of whole assembly process; the sealing ring is abutted to the upper surface of the pressing plate and is abutted to the lower end face of the pole, so that the pole and the pressing plate are sealed, impurities outside the top cover plate are prevented from entering the battery from the space between the pole and the pressing plate along the gap between the injection molding part and the through hole, the battery is protected, the sealing ring and the pressing plate are not required to be fixed, and assembling steps are reduced.
Drawings
Fig. 1 is an exploded schematic view of a battery top cover structure that is convenient to assemble according to the present invention;
fig. 2 is a schematic perspective view of a battery top cover structure convenient to assemble according to the present invention;
fig. 3 is a top view of the battery top cover structure provided by the present invention for convenient assembly;
fig. 4 is the utility model provides a battery top cap structure's that the assembly is convenient sketch map of dissecting.
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. 1-4, the preferred embodiment of the present invention is shown.
The battery top cover structure convenient and fast to assemble provided by the embodiment can be applied to lithium ion batteries, and of course, can also be applied to other batteries, and is not limited to application in the embodiment.
The battery top cover structure convenient to assemble comprises a top cover plate 11, a pole 12, an injection molding part 13, a pressing plate 14 and a sealing ring 15, wherein the top cover plate 11 is provided with a through hole 16, the pole 12 is embedded into the through hole 16 and is positioned on the upper part of the through hole 16, the injection molding part 13 is filled between the pole 12 and the through hole 16, and the pole 12 and the top cover plate 11 are integrated through the injection molding part 13; the pressure plate 14 is positioned at the lower part of the through hole 16 and is welded and fixed with the wall surface of the through hole 16; the bottom surface of the seal ring 15 abuts against the upper surface of the pressure plate 14, and the top surface of the seal ring 15 abuts against the lower end surface of the pole post 12.
According to the battery top cover structure convenient to assemble, the pole 12 and the top cover plate 11 are fixed through the injection molding part 13 during assembly, so that the pole 12 and the top cover plate temporarily form a whole, the sealing ring 15 is placed on the lower end face of the pole 12, the pressing plate 14 is welded on the through hole 16, the sealing ring 15 is clamped between the pole 12 and the pressing plate 14, the bottom face of the sealing ring 15 abuts against the upper surface of the pressing plate 14, the whole battery top cover can be assembled, the number of components of the battery top cover is reduced, the installation among all the components is more convenient, and the convenience of the whole assembling process is improved; the sealing ring 15 abuts against the upper surface of the pressing plate 14 and abuts against the lower end face of the pole 12, so that the pole 12 and the pressing plate 14 are sealed, foreign matters outside the top cover plate 11 are prevented from entering the battery from the space between the pole 12 and the pressing plate 14 along the gap between the injection molding piece 13 and the through hole 16, the battery is protected, the sealing ring 15 and the pressing plate 14 do not need to be fixed, and assembling steps are reduced.
The clamp plate 14 is fixed with the top cover plate 11 in a welding manner, the sealing ring 15 is fixed on the clamp plate 14 and is abutted to the lower end face of the pole 12, so that the clamp plate 14 also plays a supporting role for the pole 12, the pole 12 is prevented from slipping down, and the pole 12 is more stable on the basis of fixing the pole 12 by the injection molding piece 13.
Specifically, the outer periphery of the pole 12 is stepped, the upper portion of the through hole 16 is stepped, and the pole 12 is fitted into the upper portion of the through hole 16.
The periphery of utmost point post 12 all is the echelonment with the upper portion of through hole 16, can coincide, and the first half section of through hole 16 echelonment also plays the restriction effect of vertical direction to utmost point post 12 simultaneously, avoids utmost point post 12 to move up, and the fixed of cooperation injection molding 13 and the butt of sealing washer 15 have realized utmost point post 12 rigidity in vertical side, guarantees utmost point post 12's stability, avoids it to take place to rock or slide.
The upper end face of the top cover plate 11 extends upwards to form an enclosing section, the enclosing section encloses the upper part of the through hole 16, and the injection molding part 13 extends upwards to the outside of the through hole 16 and covers the enclosing section.
The section is enclosed in the cladding of injection molding 13, plays the supporting role to injection molding 13 through enclosing the section on the one hand, and on the other hand injection molding 13 parcel plays the buffering guard action in the outside of enclosing the section, avoids bellied enclosing the section to receive the collision.
The upper surface of injection molding 13 is level and smooth to be arranged, and with the up end parallel and level of utmost point post 12 for utmost point post 12 and injection molding 13's upper surface smooth transition reduces utmost point post 12 and receives the possibility from the side collision, plays the guard action to utmost point post 12.
The upper end face of the pole column 12 protrudes upwards to form an outer connecting section 17 used for being connected with an external circuit, and the outer connecting section 17 is higher than the injection molding part 13, so that the electric connection is realized by contacting with the external circuit conveniently.
The top surface of sealing washer 15 and the lower terminal surface laminating butt of utmost point post 12 for the butt area maximize of sealing washer 15 and utmost point post 12 plays the biggest sealed effect, strengthens battery top cap's leakproofness.
The lower part of the through hole 16 is sunken outwards to form a welding section, the pressing plate 14 is embedded in the welding section and is welded and fixed with the outer surface of the welding section, and the lower surface of the pressing plate 14 is arranged in parallel and level with the lower end surface of the top cover plate 11, so that the pressing plate 14 is prevented from being collided by a battery core or other parts inside the battery, and the pressing plate 14 is prevented from falling off.
The pressing plate 14 is provided with a through hole 18, the through hole 18 is arranged opposite to the through hole 16, and the inner wall of the through hole 18 is arranged obliquely.
A lower plastic plate is arranged below the top cover plate 11, the lower plastic plate is provided with a connecting hole, an opening at the upper end of the connecting hole extends upwards to form a surrounding section, the outer peripheral surface of the surrounding section is inclined, the inner wall of a through hole 18 of the pressure plate 14 is just abutted against the outer peripheral surface of the surrounding section, and the inner wall and the outer peripheral surface are both inclined and matched with each other; the connecting holes of the lower plastic plate, the through holes 18 of the pressing plate 14 and the through holes 16 of the top cover plate 11 are arranged in a right-faced mode, and the connecting sheet fixed on the battery core penetrates through the three holes to be electrically connected with the pole 12, so that the battery core is communicated with an external circuit.
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 (10)
1. The battery top cover structure convenient to assemble is characterized by comprising a top cover plate, a pole column, an injection molding piece, a pressing plate and a sealing ring, wherein the top cover plate is provided with a through hole, the pole column is embedded into the through hole and positioned at the upper part of the through hole, the injection molding piece is filled between the pole column and the through hole, and the pole column and the top cover plate are integrated into a whole through the injection molding piece; the pressing plate is positioned at the lower part of the through hole and is welded and fixed with the wall surface of the through hole; the bottom surface of the sealing ring is abutted to the upper surface of the pressing plate, and the top surface of the sealing ring is abutted to the lower end surface of the pole.
2. The battery top cover structure convenient to assemble according to claim 1, wherein the outer periphery of the pole is in a step shape, the upper part of the through hole is in a step shape, and the pole is embedded in the upper part of the through hole.
3. The battery top cap structure convenient to assemble according to claim 2, wherein the upper end surface of the top cap plate extends upwards to form a surrounding section, and the surrounding section surrounds and forms the upper part of the through hole.
4. The battery top cap structure convenient to assemble according to claim 3, wherein the injection molding piece extends upwards to the outside of the through hole and covers the enclosing section.
5. The battery top cover structure convenient to assemble according to claim 4, wherein the upper surface of the injection-molded part is arranged flatly and flush with the upper end surface of the pole.
6. The battery top cover structure convenient to assemble according to claim 5, wherein the upper end face of the pole protrudes upwards to form an external connection section for connecting with an external circuit.
7. The battery top cover structure convenient to assemble according to any one of claims 1 to 6, wherein the top surface of the sealing ring is abutted with the lower end surface of the pole in a fitting manner.
8. The battery top cover structure convenient to assemble according to claim 7, wherein the lower part of the through hole is recessed outwards to form a welding section, and the pressure plate is embedded in the welding section and is welded and fixed with the outer surface of the welding section.
9. The battery top cover structure convenient to assemble according to claim 8, wherein the lower surface of the pressure plate is flush with the lower end surface of the top cover plate.
10. The battery top cover structure convenient to assemble according to claim 9, wherein the pressing plate is provided with a through hole, the through hole is arranged opposite to the through hole, and the inner wall of the through hole is arranged obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994334.XU CN210692597U (en) | 2019-11-18 | 2019-11-18 | Battery top cap structure convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994334.XU CN210692597U (en) | 2019-11-18 | 2019-11-18 | Battery top cap structure convenient to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210692597U true CN210692597U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921994334.XU Active CN210692597U (en) | 2019-11-18 | 2019-11-18 | Battery top cap structure convenient to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210692597U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270667A (en) * | 2020-11-11 | 2021-08-17 | 厦门海辰新能源科技有限公司 | Top cap subassembly and have its lithium cell |
| CN116053720A (en) * | 2023-03-06 | 2023-05-02 | 常州瑞德丰精密技术有限公司 | Method for assembling composite pole of single battery without top cover |
| CN116598729A (en) * | 2023-07-12 | 2023-08-15 | 深圳海辰储能控制技术有限公司 | End cover assembly, battery cell, battery assembly and energy storage system |
-
2019
- 2019-11-18 CN CN201921994334.XU patent/CN210692597U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270667A (en) * | 2020-11-11 | 2021-08-17 | 厦门海辰新能源科技有限公司 | Top cap subassembly and have its lithium cell |
| CN113270667B (en) * | 2020-11-11 | 2022-12-30 | 厦门海辰储能科技股份有限公司 | Top cap subassembly and have its lithium cell |
| CN116053720A (en) * | 2023-03-06 | 2023-05-02 | 常州瑞德丰精密技术有限公司 | Method for assembling composite pole of single battery without top cover |
| CN116598729A (en) * | 2023-07-12 | 2023-08-15 | 深圳海辰储能控制技术有限公司 | End cover assembly, battery cell, battery assembly and energy storage system |
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