CN210040281U - Battery top cap convenient to change fusing structure - Google Patents
Battery top cap convenient to change fusing structure Download PDFInfo
- Publication number
- CN210040281U CN210040281U CN201921340840.7U CN201921340840U CN210040281U CN 210040281 U CN210040281 U CN 210040281U CN 201921340840 U CN201921340840 U CN 201921340840U CN 210040281 U CN210040281 U CN 210040281U
- Authority
- CN
- China
- Prior art keywords
- elastic body
- pole
- top cover
- battery
- top cap
- 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.)
- Withdrawn - After Issue
Links
- 230000008602 contraction Effects 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 abstract description 23
- 239000000806 elastomer Substances 0.000 abstract description 23
- 230000008093 supporting effect Effects 0.000 abstract description 4
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000001989 lithium alloy Substances 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
-
- 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
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 convenient for replacing a fusing structure, which comprises a top cover plate, an elastic body and a pole column, wherein the elastic body is arranged up and down and penetrates through the top cover plate, a through hole is arranged in the elastic body, the through hole penetrates through the elastic body up and down, and the pole column is embedded into the through hole; the fuse structure is arranged on the pole, the upper part of the pole extends to the upper part of the top cover plate, the lower part of the pole extends to the lower part of the top cover plate, the lower part of the pole is abutted with a connecting sheet electrically connected with the battery cell, and the connecting sheet is connected on the elastomer; when the current flowing through the fusing structure is too large to cause the fusing structure to fuse, the pole can be taken out along the through hole of the elastic body, the fusing structure is replaced by replacing the pole, and the convenience for replacing the fusing structure is greatly improved; the connection piece is connected with the elastomer, and the lower extreme butt connection piece and the two electric connection of utmost point post, the connection piece plays the supporting role to utmost point post, avoids utmost point post to drop from the through hole.
Description
Technical Field
The utility model discloses a technical field of battery top cap particularly, relates to the battery top cap convenient to change fusing structure.
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 lamina tecti, utmost point post, elastomer and connection piece, and the elastomer is worn to establish on the lamina tecti, and utmost point post is inlayed and is fixed in the elastomer, is provided with fusing structure on the utmost point post, and utmost point post and connection piece welded fastening, connection piece and electric core electric connection.
Foretell battery top cap, the electric current too big fusing structure fusing that leads to when the utmost point post flows through, because utmost point post is fixed in the elastomer, can't take out utmost point post and change fusing structure, lead to fusing structure to change inconveniently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be convenient for change battery top cap of fusing structure aims at solving prior art, and battery top cap's utmost point post can't take out and leads to fusing structure to change inconvenient problem.
The utility model discloses a realize like this, be convenient for change battery top cap of fusing structure, including lamina tecti, elastomer and utmost point post, the elastomer is arranged from top to bottom and is worn to establish on the lamina tecti, have the through hole in the elastomer, the through hole is arranged from top to bottom and runs through the elastomer, utmost point post imbeds in the through hole; the battery pack is characterized in that a fusing structure is arranged on the pole, the upper portion of the pole extends to the upper portion of the top cover plate, the lower portion of the pole extends to the lower portion of the top cover plate, a connecting piece electrically connected with the battery core is connected to the lower portion of the pole in an abutting mode, the pole is electrically connected with the connecting piece, and the connecting piece is fixed on the elastic body.
Further, the side of the middle part of the pole is inwards sunken to form a contraction section with narrowed width, and the contraction section forms the fusing structure.
Further, two sides of the middle part of the pole are respectively inwards concave.
Furthermore, the elastic body is provided with a lower end part below the top cover plate, and the connecting piece is fixedly embedded at the lower end part of the elastic body.
Further, the outer surface of the connecting piece protrudes outwards to form a convex section, and the convex section is embedded into the elastic body, so that the connecting piece is fixed in the elastic body.
Furthermore, the connecting sheet has a lower abutting surface facing the pole, the pole has an upper abutting surface facing the connecting sheet, and the upper abutting surface of the pole is in electrical connection with the lower abutting surface of the connecting sheet in a fitting manner.
Further, the elastomer has the upper end that is in the lamina tecti top, the upper end of elastomer is provided with down open-ended overhead guard, the overhead guard encloses the upper end of elastomer, the upper portion of utmost point post is passed the roof of overhead guard, and with overhead guard electric connection.
Further, the upper end face of the top cover plate is downwards sunken to form a first groove, the top cover is provided with downward extending downward walls, the downward extending walls are embedded into the first groove, and the downward extending walls of the top cover are welded with the first groove.
Furthermore, the lower end part of the elastic body is provided with a bottom cover which is opened upwards, the bottom cover encloses the lower end part of the elastic body, and the connecting piece penetrates through the bottom wall of the bottom cover and is exposed outside the bottom cover.
Further, the elastic body is filled between the bottom cover and the connecting piece.
Compared with the prior art, the battery top cover convenient for replacing the fusing structure provided by the utility model has the advantages that the elastic body is arranged on the top cover plate in a penetrating way, the fusing structure is arranged on the pole, the pole is embedded into the through hole of the elastic body, when the fusing structure is fused due to overlarge current flowing through the fusing structure, the pole can be taken out along the through hole of the elastic body, the fusing structure is replaced by replacing the pole, and the convenience for replacing the fusing structure is greatly improved; the connection piece is connected with the elastomer, and the lower extreme butt connection piece of utmost point post, connection piece play supporting role and the two electric connection to utmost point post, avoid utmost point post to drop from the through hole.
Drawings
Fig. 1 is a schematic perspective view of a battery top cap for facilitating replacement of a fusing structure provided in the present invention;
FIG. 2 is a schematic sectional view of a battery top cap for facilitating replacement of a fuse structure;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;
fig. 4 is a schematic perspective view of a pole 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. 1-4, the preferred embodiment of the present invention is shown.
The battery top cover convenient for replacing the fusing structure provided by the embodiment can be applied to a lithium battery, and of course, can also be applied to other batteries, and is not limited to the application in the embodiment.
The battery top cover convenient for replacing the fusing structure comprises a top cover plate 11, an elastic body 12 and a pole post 13, wherein the elastic body 12 is vertically arranged and penetrates through the top cover plate 11, a through hole 14 is formed in the elastic body 12, the through hole 14 is vertically arranged and penetrates through the elastic body 12, and the pole post 13 is embedded into the through hole 14; be provided with fusing structure 15 on utmost point post 13, the upper portion of utmost point post 13 extends to the top of lamina tecti 11, and the lower part of utmost point post 13 extends to the below of lamina tecti 11, and the lower part butt joint of utmost point post 13 has with electric core electric connection's connection piece 16, and utmost point post 13 and connection piece 16 electric connection, connection piece 16 fixes on elastomer 12.
According to the battery top cover convenient for replacing the fusing structure, the elastic body 12 penetrates through the top cover plate 11, the fusing structure 15 is arranged on the pole 13, the pole 13 is embedded into the through hole 14 of the elastic body 12, when the fusing structure 15 is fused due to overlarge current flowing through the fusing structure 15, the pole 13 can be taken out along the through hole 14 of the elastic body 12, the fusing structure 15 is replaced by replacing the pole 13, and convenience in replacing the fusing structure 15 is greatly improved; the connecting sheet 16 is connected with the elastic body 12, the lower end of the pole 13 is connected with the connecting sheet 16 in an abutting mode, the connecting sheet 16 supports the pole 13 and is electrically connected with the pole 13, and the pole 13 is prevented from falling from the through hole 14.
The top cover plate 11 is provided with a through hole 17, the elastic body 12 is arranged on the top cover plate 11 through the through hole 17 in a penetrating way, the shape of the through hole 17 can be circular, square or other shapes, the elastic body 12 is arranged in the through hole 17 in a penetrating way, and the shape is correspondingly matched with the through hole 17.
The side of the middle part of the pole 13 is recessed inwards to form a contraction section with narrowed width, and the contraction section forms a fusing structure 15.
After the pole column 13 is conducted with an external load, a circuit is conducted to form a loop, current flows through the contraction section, the temperature of the fusing structure 15 rises due to the narrowing of the width, and when the current is too large, the fusing structure 15 fuses to play a role in overload protection on the circuit.
Two sides at the middle part of utmost point post 13 are sunken inwards respectively, and two sides are sunken inwards simultaneously, and the shrink section width of formation reaches the designing requirement, and the fusing structure 15 that the shrink section formed plays overload protection's effect to the circuit.
The elastic body 12 has a lower end 18 below the top cover plate 11, and the connecting piece 16 is fixed to the lower end 18 of the elastic body 12 by being inserted.
The connecting piece 16 is fixedly connected to the elastic body 12 by being fitted into the lower end portion 18 of the elastic body 12, and is abutted against the lower end of the pole 13, thereby supporting the pole 13.
The lower end 18 of the elastic body 12 covers the through hole 17 of the top cover plate 11, so that the elastic body 12 cannot move upwards in the through hole 17, and the situation that the pole 13 and the connecting piece 16 are separated from the top cover plate 11 due to the fact that the elastic body 12 moves upwards is avoided.
The outer surface of the connecting piece 16 protrudes outward to form a convex section 19, and the convex section 19 is embedded in the elastic body 12, so that the connecting piece 16 is fixed in the elastic body 12.
The convex section 19 is embedded into the elastic body 12, so that the connecting piece 16 cannot move in the elastic body 12, the supporting effect of the connecting piece 16 on the pole 13 is realized, and the phenomenon that the pole 13 is dislocated or even drops due to the movement of the connecting piece 16 is avoided.
The connecting piece 16 has a lower abutting surface facing the pole 13, the pole 13 has an upper abutting surface facing the connecting piece 16, and the upper abutting surface of the pole 13 is in contact with the lower abutting surface of the connecting piece 16 to be electrically connected.
The upper abutting surface of the pole 13 is attached to the lower abutting surface of the connecting piece 16, so that the contact area between the pole 13 and the connecting piece 16 is increased, and the phenomenon that the circuit cannot be conducted due to poor contact between the pole 13 and the connecting piece 16 is avoided.
The elastic body 12 has an upper end 20 above the top cover plate 11, the upper end 20 of the elastic body 12 is provided with a top cover 21 opened downwards, the top cover 21 encloses the upper end 20 of the elastic body 12, and the upper part of the pole 13 penetrates through the top wall of the top cover 21 and is electrically connected with the top cover 21.
The top cover 21 surrounds the upper end part 20 of the elastic body 12 and plays a role in protecting the upper end part 20 of the elastic body 12; the top wall of top cap 21 is passed through to utmost point post 13's upper portion, and utmost point post 13 and top cap 21 electric connection, and external circuit can be through realizing switching on of circuit with top cap 21 electric connection.
The upper end 20 of elastomer 12 covers the through hole 17 of top deck board 11, guarantees that elastomer 12 can't move down in through hole 17, avoids elastomer 12 to move down and leads to utmost point post 13 and connection piece 16 to break away from top deck board 11, and the upper end 20 and the lower tip 18 of elastomer 12 make elastomer 12 to receive the restriction in the ascending removal of vertical side, avoid elastomer 12 to move on vertical side, lead to utmost point post 13 dislocation.
The upper end face of utmost point post 13 is the parallel and level with the upper surface of overhead guard 21 and arranges, avoids utmost point post 13 to receive the external force collision from the side, leads to utmost point post 13 to damage.
The upper end face of the ceiling plate 11 is recessed downward to form a first groove 22, the ceiling cover 21 has a lower extending wall extending downward, the lower extending wall is embedded in the first groove 22, and the lower extending wall of the ceiling cover 21 is welded to the first groove 22.
The lower extension wall of the top cover 21 is welded with the first groove 22, so that the top cover 21 is fixedly connected with the top cover plate 11; with the first recess 22 of lower extension embedding of overhead guard 21, when the welding, make things convenient for the location and the fixing of overhead guard 21, avoid overhead guard 21 to take place to remove, lead to welding failure, improved welded convenience.
The lower end 18 of the elastic body 12 is provided with a bottom cover 23 which is opened upwards, the bottom cover 23 encloses the lower end 18 of the elastic body 12, and the connecting piece 16 passes through the bottom wall of the bottom cover 23 and is exposed outside the bottom cover 23.
The bottom cover 23 encloses the lower end part 18 of the elastic body 12 and plays a role in protecting the lower end part 18 of the elastic body 12; the connecting piece 16 penetrates through the bottom wall of the bottom cover 23 and is exposed outside the bottom cover 23, so that the battery cell is electrically connected with the connecting piece 16 conveniently.
The elastomer 12 is filled between the bottom cover 23 and the connecting piece 16, the elastomer 12 isolates the bottom cover 23 from the connecting piece 16, insulation between the bottom cover 23 and the connecting piece 16 is ensured, and the connecting piece 16 is prevented from being conducted with the top cover 21 or the pole 13 through the bottom cover 23 and the top cover plate 11, so that after the fusing structure 15 is fused, the circuit is still conducted.
The lower end surface of the top cover plate 11 is recessed upward to form a second groove 24, the bottom cover 23 has an upward extending wall extending upward, the upward extending wall is embedded in the second groove 24, and the upward extending wall of the bottom cover 23 is welded to the second groove 24.
The upper extending wall of the bottom cover 23 is welded with the second groove 24, so that the bottom cover 23 is fixedly connected with the top cover plate 11; with the last section embedding second recess 24 that extends of end cover 23, when the welding, make things convenient for end cover 23's location and fixed, avoid end cover 23 to take place to remove, lead to welding failure, improved the welded convenience.
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 is characterized by comprising a top cover plate, an elastic body and a pole column, wherein the elastic body is vertically arranged and penetrates through the top cover plate, a through hole is formed in the elastic body, the through hole is vertically arranged and penetrates through the elastic body, and the pole column is embedded into the through hole; the battery pack is characterized in that a fusing structure is arranged on the pole, the upper portion of the pole extends to the upper portion of the top cover plate, the lower portion of the pole extends to the lower portion of the top cover plate, a connecting piece electrically connected with the battery core is connected to the lower portion of the pole in an abutting mode, the pole is electrically connected with the connecting piece, and the connecting piece is fixed on the elastic body.
2. The battery top cap facilitating replacement of the fuse structure according to claim 1, wherein the sides of the middle portion of the terminal are recessed inward to form a narrowed contraction section, and the contraction section forms the fuse structure.
3. The battery top cap for facilitating replacement of the fuse structure according to claim 2, wherein both side edges of the middle portion of the terminal are recessed inward, respectively.
4. The battery top cap for facilitating replacement of a fuse structure according to claim 3, wherein the elastic body has a lower end portion under the top cap plate, and the connecting tab is fixed to the lower end portion of the elastic body by being inserted.
5. The battery top cap for facilitating replacement of a fuse structure according to claim 4, wherein an outer surface of the connecting tab protrudes outward to form a convex section, and the convex section is embedded in the elastic body so that the connecting tab is fixed in the elastic body.
6. The battery top cap convenient for replacing the fusing structure as claimed in claim 5, wherein the connecting piece has a lower abutting surface facing the pole, the pole has an upper abutting surface facing the connecting piece, and the upper abutting surface of the pole is attached to and electrically connected with the lower abutting surface of the connecting piece.
7. The battery top cover convenient for replacing the fusing structure as claimed in any one of claims 1 to 6, wherein the elastic body has an upper end part above the top cover plate, the upper end part of the elastic body is provided with a top cover with a downward opening, the top cover encloses the upper end part of the elastic body, and the upper part of the pole penetrates through the top wall of the top cover and is electrically connected with the top cover.
8. The battery top cap for facilitating replacement of a fuse structure according to claim 7, wherein the upper end of the top cap plate is downwardly recessed to form a first groove, the top cap has a downwardly extending lower wall, the lower wall is embedded in the first groove, and the lower wall of the top cap is welded to the first groove.
9. The battery top cap convenient for replacing the fusing structure as claimed in any one of claims 4 to 6, wherein the lower end part of the elastic body is provided with a bottom cover which is opened upwards, the bottom cover encloses the lower end part of the elastic body, and the connecting piece passes through the bottom wall of the bottom cover and is exposed outside the bottom cover.
10. The battery top cap for facilitating replacement of a fuse structure according to claim 9, wherein the elastic body is filled between the bottom case and the connecting tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921340840.7U CN210040281U (en) | 2019-08-16 | 2019-08-16 | Battery top cap convenient to change fusing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921340840.7U CN210040281U (en) | 2019-08-16 | 2019-08-16 | Battery top cap convenient to change fusing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210040281U true CN210040281U (en) | 2020-02-07 |
Family
ID=69351036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921340840.7U Withdrawn - After Issue CN210040281U (en) | 2019-08-16 | 2019-08-16 | Battery top cap convenient to change fusing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210040281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364646A (en) * | 2019-08-16 | 2019-10-22 | 常州瑞德丰精密技术有限公司 | It is conveniently replaceable the battery cap of fusing structure |
-
2019
- 2019-08-16 CN CN201921340840.7U patent/CN210040281U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364646A (en) * | 2019-08-16 | 2019-10-22 | 常州瑞德丰精密技术有限公司 | It is conveniently replaceable the battery cap of fusing structure |
| CN110364646B (en) * | 2019-08-16 | 2024-02-13 | 常州瑞德丰精密技术有限公司 | Battery top cap convenient to change fusing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200207 Effective date of abandoning: 20240213 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200207 Effective date of abandoning: 20240213 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |