CN220341352U - Rolling power battery top cover - Google Patents
Rolling power battery top cover Download PDFInfo
- Publication number
- CN220341352U CN220341352U CN202321483345.8U CN202321483345U CN220341352U CN 220341352 U CN220341352 U CN 220341352U CN 202321483345 U CN202321483345 U CN 202321483345U CN 220341352 U CN220341352 U CN 220341352U
- Authority
- CN
- China
- Prior art keywords
- top cover
- encapsulation
- pole
- outer protrusion
- negative
- 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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- 238000005096 rolling process Methods 0.000 title claims abstract description 20
- 238000005538 encapsulation Methods 0.000 claims abstract description 66
- 238000010073 coating (rubber) Methods 0.000 claims abstract description 41
- 238000005253 cladding Methods 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a rolling power battery top cover, which comprises a top cover, a pole and an encapsulation piece; the outer side surface cladding of utmost point post install in the top cap behind the rubber coating piece, the rubber coating piece is connected with the top cap through preventing changeing the structure. The rolling power battery top cover provided by the utility model has the advantages that the anti-rotation structure can effectively improve the anti-rotation strength of the pole, the rubber coating piece and the top cover can be prevented from rotating, the fixing effect of the pole in the circumferential direction is good, the phenomenon of rotation and movement is not easy to occur, and the anti-rotation strength of the pole is greatly improved.
Description
Technical Field
The utility model relates to the field of batteries, in particular to a rolling power battery top cover.
Background
The rolling power battery top cover is provided with a structure capable of being pressed and connected with the pole convex ring in a pressing mode, limiting connection between the top cover and the pole is achieved, the integral structure of the cover is simplified, the internal space of the power battery is improved, and assembly of the cover is facilitated. However, the existing binding top cover is limited to rotate by compressing the sealing ring, so that the torsion of the pole is smaller, and occasions with higher torsion strength requirements cannot be met.
Disclosure of Invention
In view of this, the utility model provides a rolling power battery top cover, the anti-rotation structure can effectively improve the anti-rotation strength of the pole, can prevent the rubber coating piece and the top cover from rotating, has good fixing effect of the pole in the circumferential direction, is not easy to generate the phenomenon of rotation and movement, and greatly improves the anti-rotation strength of the pole.
The aim of the utility model is achieved by the following technical scheme:
a rolling power battery top cover comprises a top cover, a pole and an encapsulation piece; the outer side surface cladding of utmost point post install in the top cap behind the rubber coating piece, the rubber coating piece is connected with the top cap through preventing changeing the structure.
The anti-rotation structure can effectively improve the anti-rotation strength of the pole, can prevent the rubber coating piece from rotating with the top cover, has good fixing effect of the pole in the circumferential direction, is not easy to rotate and move, and greatly improves the torsion resistance of the pole.
Optionally, in a possible implementation manner, the upper surface of the pole is provided with a sealing step surface, and the upper surface of the encapsulation piece is flush with the sealing step surface.
The appearance reject ratio is reduced, and the mould is by contacting from top to bottom with the upper surface of utmost point post and realize sealedly when the rubber coating, because the mould can exert the pressure of upper and lower direction and contact with the utmost point post, utilizes the seal rubber step face that utmost point post upper surface set up simultaneously, the upper surface of rubber coating spare and seal rubber step face parallel and level for the seal rubber effect of rubber coating spare can be better, and the flash cloak rate is lower, and product outward appearance is better.
Optionally, in one possible implementation manner, the anti-rotation structure includes a first outer protrusion disposed on the encapsulation member, and a first anti-rotation groove disposed on the top cover, where the first outer protrusion may be embedded into the first anti-rotation groove.
The anti-rotation structure comprises a first outer bulge and a first anti-rotation groove of the top cover, wherein the first outer bulge is nested with the first anti-rotation groove of the top cover, the first anti-rotation groove of the top cover is arranged on the top cover, the rubber coating piece and the top cover can be prevented from rotating, the rubber coating piece is prevented from moving in the circumferential direction, and the anti-torsion strength of the product is greatly improved.
Optionally, in one possible implementation manner, the anti-rotation structure further includes a first inner protrusion disposed on the encapsulation member, and a first anti-rotation slot disposed on the pole, where the first inner protrusion may be embedded into the first anti-rotation slot of the pole.
The anti-rotation structure further comprises a first inner protrusion and a first anti-rotation groove of the pole, wherein the first inner protrusion is arranged on the rubber coating piece, the first anti-rotation groove of the pole is arranged on the pole, rotation between the pole and the rubber coating piece can be prevented, the pole is prevented from moving in the circumferential direction, and the anti-torsion strength of the product is greatly improved.
Optionally, in one possible implementation manner, the anti-rotation structure further includes a second outer protrusion and a second inner protrusion disposed on the rubber coating piece, a top cover second anti-rotation groove disposed on the top cover, and a pole second anti-rotation groove disposed on the pole, wherein the second outer protrusion may be embedded into the top cover second anti-rotation groove, and the second inner protrusion may be embedded into the pole second anti-rotation groove.
The anti-rotation structure further comprises a second outer protrusion and a top cover second anti-rotation groove which are mutually nested, and a second inner protrusion and a pole post second anti-rotation groove which are mutually nested, wherein the second outer protrusion is arranged on the rubber coating piece, the top cover second anti-rotation groove is arranged on the top cover, the rubber coating piece and the top cover can be prevented from rotating, the rubber coating piece is prevented from moving in the circumferential direction, the second inner protrusion is arranged on the rubber coating piece, the pole post second anti-rotation groove is arranged on the pole post, the pole post and the rubber coating piece can be prevented from rotating, the pole post is prevented from moving in the circumferential direction, and the torsion resistance of a product is greatly improved.
Optionally, in one possible implementation manner, the encapsulating member includes a positive electrode encapsulating member and a negative electrode encapsulating member, a first outer protrusion and a second outer protrusion are respectively disposed on the positive electrode encapsulating member and the negative electrode encapsulating member, positive electrode marks are disposed on the first outer protrusion and the second outer protrusion on the positive electrode encapsulating member, and negative electrode marks are disposed on the first outer protrusion and the second outer protrusion on the negative electrode encapsulating member. The positive electrode mark is arranged on the upper surfaces of the first outer bulge and the second outer bulge on the positive electrode rubber coating piece, and the negative electrode mark is arranged on the upper surfaces of the first outer bulge and the second outer bulge on the negative electrode rubber coating piece.
The positive electrode mark and the negative electrode mark can play a foolproof role, the reverse and mixing of the positive electrode and the negative electrode are prevented, and the positive electrode mark and the negative electrode mark on the positive electrode encapsulation piece can be convenient for visual classification management so as to prevent mixing.
Optionally, in one possible implementation manner, the encapsulation piece includes an anode encapsulation piece and a cathode encapsulation piece, a first outer protrusion and a second outer protrusion are respectively disposed on the anode encapsulation piece and the cathode encapsulation piece, a central angle formed by the first outer protrusion and the second outer protrusion on the anode encapsulation piece and a center of a circle of the anode encapsulation piece is recorded as an anode central angle, a central angle formed by the first outer protrusion and the second outer protrusion on the cathode encapsulation piece and a center of a circle of the cathode encapsulation piece is recorded as a cathode central angle, and a size of the anode central angle is unequal to a size of the cathode central angle.
The positive pole central angle and the negative pole central angle are unequal in size, so that the fool-proof effect can be achieved, the reverse installation and mixing of the positive pole and the negative pole are prevented, the positive pole and the negative pole are respectively provided with different angles, the fool-proof effect can be achieved structurally, and the fool-proof effect is reliable.
Optionally, in a possible implementation manner, the top cover is provided with a mounting hole, and the top cover is provided with a rolling edge arranged around the mounting hole; the pole is matched in the mounting hole, and the pole is clamped between the mounting hole and the rolling edge; the lower surface of top cap still is connected with down the plastic, the utmost point post includes the positive pole post of making by aluminium and the negative pole post of making by copper aluminium is compound, top cap first anti-rotation groove and top cap second anti-rotation groove set up the lateral wall at the mounting hole.
After the pole is installed in the installation hole, the rolling edge deforms due to the rolling action and wraps and fixes the pole and the rubber coating piece, so that the pole is fixed.
Compared with the prior art, the utility model has the beneficial effects that:
the rolling power battery top cover disclosed by the utility model has the advantages that the anti-rotation structure can effectively improve the anti-rotation strength of the pole, the rubber coating piece and the top cover can be prevented from rotating, the fixing effect of the pole in the circumferential direction is good, the phenomenon of rotation and movement is not easy to occur, and the anti-rotation strength of the pole is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a rolled power cell top cover in accordance with an embodiment of the present utility model.
Fig. 2 is an enlarged view of the positive electrode post of the region a in fig. 1.
Fig. 3 is an enlarged view of the negative electrode column of the region B in fig. 1.
Fig. 4 is an exploded view of a rolled power cell top cover in accordance with an embodiment of the present utility model.
Fig. 5 is a block diagram of a rolled front cover in accordance with an embodiment of the utility model.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the embodiments of the present application, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship conventionally put in use of the product of the application, or the azimuth or positional relationship conventionally understood by those skilled in the art, are merely for convenience of description of the present application and for simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
The technical solutions in the present application will be described below with reference to the accompanying drawings.
The embodiment provides a rolling power battery top cover, which comprises a top cover 10, a pole 20 and an encapsulation piece 30; the outer side surface of the pole 20 is coated with the encapsulation piece 30 and then is mounted on the top cover 10, and the encapsulation piece 30 is connected with the top cover 10 through the anti-rotation structure 40.
The anti-rotation structure 40 can effectively improve the anti-rotation strength of the pole 20, can prevent the rubber coating piece 30 and the top cover 10 from rotating, has good fixing effect of the pole 20 in the circumferential direction, is not easy to rotate and move, and greatly improves the anti-rotation strength of the pole 20.
In this embodiment, the upper surface of the pole 20 is provided with a sealing step surface 21, and the upper surface of the encapsulation member 30 is flush with the sealing step surface 21.
The appearance reject ratio is reduced, and when the utmost point post 20 is in the rubber coating, the mould is by contacting from top to bottom with the upper surface of utmost point post 20 and realizes sealedly, because the mould can exert the pressure of upper and lower direction and with utmost point post 20 contact, utilizes the seal gum step face 21 that utmost point post 20 upper surface set up simultaneously, the upper surface and the seal gum step face 21 parallel and level of rubber coating piece 30 for the seal gum effect of rubber coating piece 30 can be better, and the flash manteau rate is lower, and the product outward appearance is better.
It should be noted that, in the present embodiment, the anti-rotation structure 40 includes a first outer protrusion 41 disposed on the encapsulation member 30, and a first anti-rotation groove 42 disposed on the top cover 10, and the first outer protrusion 41 may be embedded into the first anti-rotation groove 42.
The anti-rotation structure 40 comprises a first outer protrusion 41 and a first anti-rotation groove 42 of the top cover, which are nested with each other, wherein the first outer protrusion 41 is arranged on the rubber coating piece 30, the first anti-rotation groove 42 of the top cover is arranged on the top cover 10, the rubber coating piece 30 and the top cover 10 can be prevented from rotating, the rubber coating piece 30 is prevented from moving in the circumferential direction, and the anti-torsion strength of the product is greatly improved.
It should be noted that, in the present embodiment, the anti-rotation structure 40 further includes a first inner protrusion 43 disposed on the encapsulation member 30 and a first anti-rotation slot 44 disposed on the pole 20, and the first inner protrusion 43 may be embedded into the first anti-rotation slot 44.
The anti-rotation structure 40 further comprises a first inner protrusion 43 and a first anti-rotation groove 44 of the pole, wherein the first inner protrusion 43 is arranged on the encapsulation piece 30, the first anti-rotation groove 44 of the pole is arranged on the pole 20, rotation between the pole 20 and the encapsulation piece 30 can be prevented, movement of the pole 20 in the circumferential direction is avoided, and the anti-torsion strength of the product is greatly improved.
It should be noted that, in this embodiment, the anti-rotation structure 40 further includes a second outer protrusion 45 and a second inner protrusion disposed on the encapsulation member 30, a top cover second anti-rotation groove disposed on the top cover 10, and a pole second anti-rotation groove disposed on the pole 20, wherein the second outer protrusion 45 may be embedded into the top cover second anti-rotation groove, and the second inner protrusion may be embedded into the pole second anti-rotation groove.
The anti-rotation structure 40 further comprises a second outer protrusion 45 and a top cover second anti-rotation groove which are mutually nested, and a second inner protrusion and a pole second anti-rotation groove which are mutually nested, wherein the second outer protrusion 45 is arranged on the rubber coating piece 30, the top cover second anti-rotation groove is arranged on the top cover 10, the rubber coating piece 30 and the top cover 10 can be prevented from rotating, the rubber coating piece 30 is prevented from moving in the circumferential direction, the second inner protrusion is arranged on the rubber coating piece 30, the pole second anti-rotation groove is arranged on the pole 20, rotation between the pole 20 and the rubber coating piece 30 can be prevented, the pole 20 is prevented from moving in the circumferential direction, and the torsion resistance of a product is greatly improved.
It should be noted that, in this embodiment, the encapsulation member 30 includes a positive electrode encapsulation member and a negative electrode encapsulation member, the positive electrode encapsulation member and the negative electrode encapsulation member are respectively provided with a first outer protrusion 41 and a second outer protrusion 45, the first outer protrusion 41 and the second outer protrusion 45 on the positive electrode encapsulation member are provided with a positive electrode mark 51, and the first outer protrusion 41 and the second outer protrusion 45 on the negative electrode encapsulation member are provided with a negative electrode mark 52. The positive electrode mark 51 is disposed on the upper surfaces of the first outer protrusion 41 and the second outer protrusion 45 on the positive electrode encapsulation, and the negative electrode mark 52 is disposed on the upper surfaces of the first outer protrusion 41 and the second outer protrusion 45 on the negative electrode encapsulation.
The anode mark 51 and the cathode mark 52 can play a foolproof role, the anode and cathode posts 20 are prevented from being reversely assembled and mixed, and the anode mark 52 on the anode and cathode encapsulation piece can be convenient for visual classification management so as to prevent mixing.
It should be noted that, in this embodiment, the encapsulation piece 30 includes an anode encapsulation piece and a cathode encapsulation piece, the anode encapsulation piece and the cathode encapsulation piece are respectively provided with a first outer protrusion 41 and a second outer protrusion 45, a central angle formed by the first outer protrusion 41, the second outer protrusion 45 and a center of the anode encapsulation piece on the anode encapsulation piece is recorded as an anode central angle, a central angle formed by the first outer protrusion 41, the second outer protrusion 45 and the center of the cathode encapsulation piece on the cathode encapsulation piece is recorded as a cathode central angle, and the size of the anode central angle is unequal to the size of the cathode central angle.
The positive pole central angle and the negative pole central angle are unequal in size, so that the fool-proof effect can be achieved, the negative pole post 20 is prevented from being reversely assembled and mixed, the positive pole rubber coating piece and the negative pole rubber coating piece are respectively provided with different angles, the fool-proof effect can be achieved structurally, and the fool-proof effect is reliable.
It should be noted that, in this embodiment, the top cover 10 is provided with a mounting hole 11, and the top cover 10 is provided with a rolling edge 12 surrounding the mounting hole 11; the pole 20 is matched in the mounting hole 11, and the pole 20 is clamped between the mounting hole 11 and the rolling edge 12; the lower surface of the top cover 10 is also connected with a lower plastic 13, the pole 20 comprises a positive pole made of aluminum and a negative pole made of copper-aluminum composite, and the top cover first anti-rotation groove 42 and the top cover second anti-rotation groove are arranged on the side wall of the mounting hole 11.
After the pole 20 is installed in the installation hole 11, the rolled edge 12 deforms due to rolling action and wraps and fixes the pole 20 and the encapsulation piece 30, so that the pole 20 is fixed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The rolling power battery top cover is characterized by comprising a top cover, a pole and an encapsulation piece; the outer side surface cladding of utmost point post install in the top cap behind the rubber coating spare, the rubber coating spare is connected with the top cap through preventing changeing the structure, utmost point post upper surface is provided with seals gluey step face, the upper surface of rubber coating spare and seal gluey step face parallel and level.
2. The rolled power cell top cover of claim 1, wherein the anti-rotation structure comprises a first outer protrusion disposed on the encapsulation and a top cover first anti-rotation groove disposed on the top cover, the first outer protrusion being insertable into the top cover first anti-rotation groove.
3. The rolled power cell top cover of claim 2 wherein the anti-rotation structure further comprises a first inner protrusion disposed on the encapsulation and a first anti-rotation slot disposed on the post, the first inner protrusion being insertable into the first anti-rotation slot of the post.
4. The rolled power cell top cover of claim 3 wherein the anti-rotation structure further comprises a second outer protrusion and a second inner protrusion disposed on the encapsulation, a top cover second anti-rotation slot disposed on the top cover, and a pole second anti-rotation slot disposed on the pole, the second outer protrusion being insertable into the top cover second anti-rotation slot, the second inner protrusion being insertable into the pole second anti-rotation slot.
5. The rolled power battery top cover of claim 2, wherein the encapsulation comprises a positive encapsulation and a negative encapsulation, wherein the positive encapsulation and the negative encapsulation are provided with a first outer protrusion and a second outer protrusion, respectively, the first outer protrusion and the second outer protrusion on the positive encapsulation are provided with positive marks, and the first outer protrusion and the second outer protrusion on the negative encapsulation are provided with negative marks.
6. The rolled power cell top cover of claim 5 wherein the positive electrode label is disposed on the positive electrode encapsulation on the upper surfaces of the first and second outer protrusions and the negative electrode label is disposed on the negative electrode encapsulation on the upper surfaces of the first and second outer protrusions.
7. The rolling power battery top cover according to claim 2, wherein the encapsulation piece comprises a positive encapsulation piece and a negative encapsulation piece, a first outer protrusion and a second outer protrusion are respectively arranged on the positive encapsulation piece and the negative encapsulation piece, central angles formed by the first outer protrusion, the second outer protrusion and the center of the positive encapsulation piece on the positive encapsulation piece are recorded as positive central angles, central angles formed by the first outer protrusion, the second outer protrusion and the center of the negative encapsulation piece on the negative encapsulation piece are recorded as negative central angles, and the magnitude of the positive central angles is unequal to the magnitude of the negative central angles.
8. The rolled power battery top cover according to claim 1, wherein the top cover is provided with a mounting hole, and the top cover is provided with a rolled edge arranged around the mounting hole; the pole is matched in the mounting hole, and the pole is clamped between the mounting hole and the rolling edge; the lower surface of the top cover is also connected with lower plastic, and the polar column comprises a positive polar column made of aluminum and a negative polar column made of copper-aluminum composite.
9. The rolled power cell top cover of claim 8 wherein the top cover first anti-rotation slot is disposed in a sidewall of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321483345.8U CN220341352U (en) | 2023-06-12 | 2023-06-12 | Rolling power battery top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321483345.8U CN220341352U (en) | 2023-06-12 | 2023-06-12 | Rolling power battery top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220341352U true CN220341352U (en) | 2024-01-12 |
Family
ID=89461292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321483345.8U Active CN220341352U (en) | 2023-06-12 | 2023-06-12 | Rolling power battery top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220341352U (en) |
-
2023
- 2023-06-12 CN CN202321483345.8U patent/CN220341352U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |