CN219696564U - Lithium ion battery cover plate structure with rotation-preventing polar column - Google Patents
Lithium ion battery cover plate structure with rotation-preventing polar column Download PDFInfo
- Publication number
- CN219696564U CN219696564U CN202321194513.1U CN202321194513U CN219696564U CN 219696564 U CN219696564 U CN 219696564U CN 202321194513 U CN202321194513 U CN 202321194513U CN 219696564 U CN219696564 U CN 219696564U
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- China
- Prior art keywords
- cover plate
- clamping
- injection molding
- post
- grooves
- 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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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 19
- 238000001746 injection moulding Methods 0.000 claims abstract description 24
- 238000003466 welding Methods 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims description 28
- 229920003023 plastic Polymers 0.000 claims description 28
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a pole anti-rotation lithium ion battery cover plate structure, which comprises an upper cover plate piece, a lower cover plate piece, a positive pole and a negative pole, wherein the upper cover plate piece is positioned at the upper end of the lower cover plate piece; according to the utility model, under the actions of the anti-torsion assembly, the clamping block, the welding ring and the upper injection molding, the positive pole post and the negative pole post not only depend on friction force, but also depend on the matching of the clamping strip and the positioning strip, in addition, the clamping block is positioned in the clamping groove, so that the anti-torsion once again guarantee is provided for the positive pole post and the negative pole post, and even if the positive pole post or the negative pole post is subjected to large torsion force, the problem of torsion cannot occur easily, so that the pole post has a higher anti-torsion effect.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a cover plate structure of a lithium ion battery with a rotation-preventing pole.
Background
In the prior art, lithium ion batteries have been a widely focused research hotspot in recent years due to the characteristics of high voltage, large specific energy, long cycle life, high safety and the like.
The application number of the Chinese utility model patent is: 202122940985.4, through setting up several anti-rotation grooves on the outer lane of positive pole abnormal shape hole and negative pole abnormal shape hole to do benefit to the anti-rotation of plastic and aluminium cover sheet on the post, and the cooperation makes the post intermediate groove department of positive pole post and negative pole post all add the embossing structure of straight line on the surface, does benefit to plastic and post more zonulae occludens on the positive pole, thereby reaches the post and prevents changeing, thereby makes a post prevent changeing lithium ion battery apron structure of this utility model possess better anti-rotation effect, and need not increase the station, the processing cost is low.
Above-mentioned patent utilizes the cooperation of the straight line knurling structure that prevents changeing recess and anodal utmost point post or negative pole utmost point post surface set up when using, however, the existence of straight line knurling structure has just increased the utmost point post and has gone up the frictional force between the moulding plastics in specific use, and set up the subassembly of block, in case the torsion that receives is too big, increase friction can not play effectual torsion-proof effect to the utmost point post, the utmost point post still can appear skidding the circumstances of torsion, consequently the lithium ion battery cover plate structure that the utmost point post was prevented changeing needs to be designed.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a pole anti-rotation lithium ion battery cover plate structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a lithium ion battery apron structure that utmost point post was prevented changeing, includes upper cover sheet piece, lower cover sheet piece, anodal utmost point post and negative pole utmost point post, upper cover sheet piece is located the upper end of lower cover sheet piece, the upper end fixedly connected with protruding collar of lower cover sheet piece, protruding collar and lower cover sheet piece structure as an organic whole, first jack has been seted up to the lower terminal surface of lower cover sheet piece, protruding collar is located the positive upper end of first jack, the upper end of lower cover sheet piece is provided with down the plastic, the plastic is provided with two down, and the left and right sides of symmetric distribution on lower cover sheet piece, and the lower plastic that is located the left end corresponds anodal utmost point post, and the lower plastic that is located the right-hand member corresponds the negative pole post, the inside of upper cover sheet piece is provided with explosion-proof component, mounting groove and second jack have been seted up to the up end of upper cover sheet piece, the inside that the second jack is located the mounting groove, second jack and first jack all are provided with two, and symmetric distribution is located the positive upper end of explosion-proof component, the left and right sides both ends, the upper end and the second jack are located the welding of two jacks through the welding, the positive and the positive pole post are all connected with the positive pole post, the positive pole post and the negative pole post are connected with the welding, the positive pole post is located the welding, the positive pole post and the positive pole post is connected with the positive pole post and the positive pole post through the welding, the welding.
Further, the explosion-proof assembly comprises a mounting hole, a protective film and an explosion-proof sheet, wherein the mounting hole is formed in the upper end face of the upper cover plate piece, the protective film and the explosion-proof sheet are mounted in the mounting hole, and the protective film is located at the upper end of the explosion-proof sheet.
Further, the block subassembly includes card, draw-in groove and ring channel, the draw-in groove has been seted up to the up end of upper cover sheet, the draw-in groove is provided with four, and even a week that is located the mounting groove, the ring channel has been seted up to the inside of upper cover sheet, the ring channel is located the lower extreme of mounting groove, the inside sliding connection card of ring channel, card and weld ring fixed connection, card and draw-in groove one-to-one, and card and draw-in groove sliding connection, the card is provided with four, even a week that is located weld ring, and card and weld ring structure as an organic whole.
Further, go up the periphery fixedly connected with fixture block of moulding plastics, the fixture block is provided with four, even distribution is last a week of moulding plastics, and fixture block and last integrated into one piece structure of moulding plastics, the thickness of fixture block and the degree of depth looks adaptation of draw-in groove.
Further, prevent turning round subassembly includes card strip and constant head tank and compresses tightly the cap, the upper end fixedly connected with who goes up moulding plastics compresses tightly the cap, the constant head tank has been seted up to the inside of compressing tightly the cap, the equal fixedly connected with card strip of the periphery of anodal utmost point post and negative pole utmost point post, card strip and constant head tank sliding connection, card strip and constant head tank all are provided with a plurality ofly, and one-to-one, even distribution is in a week of anodal utmost point post or negative pole utmost point post.
Further, a sealing ring is arranged between the upper injection molding and the convex mounting ring.
Further, the convex mounting ring, the inner wall and the upper injection-molded inner wall are provided with anti-slip coatings.
The utility model has the following beneficial effects:
compared with the prior art, this lithium ion battery apron structure of utmost point post anti-rotation is through anti-torsion subassembly, the block assembly, the fixture block, welding ring and go up under the effect of moulding plastics, a plurality of draw-in bars are connected with the constant head tank, and go up the anti-skidding coating that all sets up with protruding collar's inside, make anodal post and negative pole post and go up closely laminating between moulding plastics and the protruding collar, at this moment anodal post and negative pole post not only rely on frictional force, still rely on the cooperation of draw-in bar and constant head tank, the fixture block is located the draw-in tank in addition, provide the guarantee of preventing torsion again for anodal post and negative pole post, even anodal post or negative pole post receive big torsional force, the problem of torsion also can not appear easily for the utmost point post, thereby make the utmost point post have higher anti-torsion effect.
Drawings
FIG. 1 is a schematic top view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the disassembled bottom view of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 2 after left-hand partial section
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3C;
FIG. 7 is a schematic view of the present utility model, partially in section, from the front view;
fig. 8 is an enlarged schematic view of the structure D in fig. 7.
In the figure: 1. an upper cover plate piece; 2. a lower cover sheet; 3. a protective film; 4. a positive electrode post; 5. a negative electrode post; 6. performing upper injection molding; 7. a first jack; 8. a second jack; 9. explosion-proof sheet; 10. a mounting hole; 11. a compression cap; 12. a mounting groove; 13. a weld ring; 14. a seal ring; 15. a clamping block; 16. a card; 17. a raised mounting ring; 18. a positioning groove; 19. a clamping groove; 20. an annular groove; 21. clamping strips; 22. and (5) lower plastic.
Detailed Description
The present utility model will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and wherein certain components of the drawings are enlarged or reduced in size and do not represent actual product dimensions for better illustrating the detailed description of the utility model, and wherein all other embodiments obtained by one of ordinary skill in the art without inventive effort are within the scope of the present utility model.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted", "connected", and the like are to be construed broadly, and may be either fixed or removable or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-8, the utility model provides a pole anti-rotation lithium ion battery cover plate structure, which comprises an upper cover plate sheet 1, a lower cover plate sheet 2, positive pole 4 and negative pole 5, wherein the upper cover plate sheet 1 is positioned at the upper end of the lower cover plate sheet 2, the upper end of the lower cover plate sheet 2 is fixedly connected with a convex mounting ring 17, the convex mounting ring 17 and the lower cover plate sheet 2 are of an integrated structure, the lower end surface of the lower cover plate sheet 2 is provided with a first jack 7, the convex mounting ring 17 is positioned at the right upper end of the first jack 7, the upper end of the lower cover plate sheet 2 is provided with lower plastics 22, the lower plastics 22 are provided with two and symmetrically distributed at the left side and the right side of the lower cover plate sheet 2, the lower plastics 22 positioned at the left end correspond to the positive pole 4, the lower plastics 22 positioned at the right end correspond to the negative pole 5, the inside of the upper cover plate sheet 1 is provided with an anti-explosion component, the mounting groove 12 and the second jack 8 have been seted up to the up end of upper cover plate piece 1, the second jack 8 is located the inside of mounting groove 12, second jack 8 and first jack 7 all are provided with two, and the symmetric distribution is at the left and right sides both ends of explosion-proof subassembly, anodal post 4 and the first jack 7 and the second jack 8 sliding connection that are located the left end, negative pole post 5 and the first jack 7 and the second jack 8 sliding connection that are located the right-hand member, the inside of two mounting grooves 12 all is provided with weld ring 13, weld ring 13 is connected with mounting groove 12 through the block subassembly, the upper end of two weld rings 13 all is provided with and moulds plastics 6, the upper end of going up to mould plastics 6 is provided with the anti-twist subassembly, the upper end that is located the left end moulds plastics 6 and is connected with anodal post 4 through the anti-twist subassembly, the upper moulding 6 that is located the right-hand member is connected through the anti-twist subassembly and negative pole post 5.
During operation, through the cooperation of anti-torsion subassembly, block subassembly, weld ring 13 and last 6 of moulding plastics under, can more effectually play anti-torsion effect, through the setting of block subassembly simultaneously, form the anchor point, eliminate the axial torsion of positive pole post 4 and negative pole post 5, improve positive pole post 4 and negative pole post 5 and connect the reliability, avoid positive pole post 4 and negative pole post 5 to float for upper cover plate piece 1 and lower cover plate piece 2, and then promote battery wholeness ability.
The explosion-proof assembly comprises a mounting hole 10, a protective film 3 and an explosion-proof sheet 9, wherein the mounting hole 10 is formed in the upper end face of the upper cover plate sheet 1, the protective film 3 and the explosion-proof sheet 9 are mounted in the mounting hole 10, and the protective film 3 is located at the upper end of the explosion-proof sheet 9.
During operation, under the effect of explosion-proof subassembly, can be when the inside pressure of lithium cell increases and surpasses explosion-proof piece 9's opening pressure, explosion-proof piece 9 opens and carries out the pressure release operation, and then keeps the safety of lithium cell.
The clamping assembly comprises a clamping piece 16, clamping grooves 19 and annular grooves 20, the clamping grooves 19 are formed in the upper end face of the upper cover plate piece 1, the clamping grooves 19 are formed in four, the clamping grooves 19 are uniformly located on one circle of the mounting groove 12, the annular grooves 20 are formed in the upper cover plate piece 1, the annular grooves 20 are located at the lower end of the mounting groove 12, the clamping pieces 16 are connected with the clamping pieces 16 in a sliding mode in the annular grooves 20, the clamping pieces 16 are fixedly connected with the welding rings 13, the clamping pieces 16 are in one-to-one correspondence with the clamping grooves 19, the clamping pieces 16 are connected with the clamping grooves 19 in a sliding mode, the clamping pieces 16 are four, the clamping pieces are uniformly located on one circle of the welding rings 13, and the clamping pieces 16 and the welding rings 13 are of an integral structure.
During operation, under the effect of block subassembly, conveniently install welding ring 13 in mounting groove 12, welding ring 13 need not adopt welded mode when the installation, but utilize card 16 to move down along draw-in groove 19, until card 16 moves to the ring channel 20 inside, rotate welding ring 13 for card 16 keeps away from draw-in groove 19 and blocks into in the ring channel 20, this kind of mode of installing welding ring 13 is simpler convenient.
The circumference of the upper injection molding 6 is fixedly connected with clamping blocks 15, the clamping blocks 15 are four, are uniformly distributed on the circumference of the upper injection molding 6, the clamping blocks 15 and the upper injection molding 6 are of an integrated structure, and the thickness of the clamping blocks 15 is matched with the depth of the clamping grooves 19.
During operation, when the upper injection molding 6 is installed, the upper injection molding 6 is not only pressed at the upper end of the welding ring 13, but also the clamping block 15 is installed in the clamping groove 19, at this time, when the clamping block 15 and the clamping groove 19 are matched for use, an anchoring point can be formed, so that the upper injection molding 6 is connected with the upper cover plate sheet 1 more firmly, the problem of torsion cannot easily occur, and further the problem of torsion cannot easily occur in the positive electrode post 4 and the negative electrode post 5.
The anti-torsion assembly comprises clamping strips 21, positioning grooves 18 and compression caps 11, wherein the upper ends of the upper injection molding parts 6 are fixedly connected with the compression caps 11, the positioning grooves 18 are formed in the compression caps 11, the clamping strips 21 are fixedly connected with the circumferential surfaces of the positive pole 4 and the negative pole 5, the clamping strips 21 are slidably connected with the positioning grooves 18, the clamping strips 21 and the positioning grooves 18 are provided with a plurality of clamping strips, and the clamping strips are in one-to-one correspondence and uniformly distributed on one circle of the positive pole 4 or the negative pole 5.
During operation, the positioning groove 18 is matched with the clamping strip 21, so that the compression cap is firmly connected with the positive pole 4 or the negative pole 5, and the positive pole 4 or the negative pole 5 cannot be easily twisted.
A sealing ring 14 is arranged between the upper injection molding 6 and the convex mounting ring 17. During operation, under the action of the sealing ring 14, the whole equipment has better tightness.
The raised mounting ring 17 and the inner wall of the upper injection molding 6 are provided with an anti-slip coating. During operation, under the effect of anti-slip coating for protruding collar 17 and go up the frictional force increase between moulding plastics 6 and positive pole post 4 and negative pole post 5, make positive pole post 4 and negative pole post 5 be difficult for skidding when the atress like this and twist reverse.
When the utility model is used, the upper cover plate sheet 1 is placed at the upper end of the lower cover plate sheet 2, the positive pole column 4 and the negative pole column 5 extend into the upper cover plate sheet 1 and the lower cover plate sheet 2 along the first insertion hole 7 and the second insertion hole 8, at the moment, the positive pole column 4 and the negative pole column 5 extend into the convex mounting ring 17 to be tightly contacted with the mounting ring, then the welding ring 13 is arranged in the mounting groove 12, the card 16 moves downwards along the clamping groove 19 until the card 16 moves to the bottom end of the annular groove 20, the welding ring 13 is rotated, the card 16 is rotated to the inside of the annular groove 20 to be far away from the clamping groove 19, at the moment, the welding ring 13 is installed, the sealing ring 14 is arranged in the welding ring 13, the upper end of the convex mounting ring 17 is pressed at the upper end of the welding ring 13 by the upper injection molding 6, at the moment, the pressing cap 11 is installed at the same time, the positioning groove 18 moves downwards along the clamping bar 21 until the pressing cap 11 is pressed at the upper end of the upper molding clamping block 6, then the pressing cap 11 is welded at the upper end of the upper molding clamping block 6, so that the positioning groove 18, the clamping groove 21, the clamping bar 15 and the negative pole column 5 are matched with the positive pole column 4 and the negative pole column 5 can not be twisted easily, even if the torsion of the positive pole column 4 and the negative pole column is not formed.
The above description is merely illustrative of specific embodiments of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a lithium ion battery apron structure that utmost point post was prevented changeing, includes upper cover plate piece (1), lower cover plate piece (2), anodal utmost point post (4) and negative pole utmost point post (5), its characterized in that: the upper cover plate sheet (1) is positioned at the upper end of the lower cover plate sheet (2), the upper end of the lower cover plate sheet (2) is fixedly connected with a convex mounting ring (17), the convex mounting ring (17) and the lower cover plate sheet (2) are of an integrated structure, a first jack (7) is arranged on the lower end face of the lower cover plate sheet (2), the convex mounting ring (17) is positioned at the positive upper end of the first jack (7), the upper end of the lower cover plate sheet (2) is provided with lower plastics (22), the lower plastics (22) are provided with two lower plastics, symmetrically distributed on the left side and the right side of the lower cover plate sheet (2), the lower plastics (22) positioned at the left end correspond to positive pole posts (4), the lower plastics (22) positioned at the right end correspond to negative pole posts (5), an explosion-proof assembly is arranged in the upper cover plate sheet (1), the upper end face of the upper cover plate sheet (1) is provided with a mounting groove (12) and a second jack (8), the second jack (8) is positioned at the positive pole posts (8) of the mounting groove (12), the second jack (8) are symmetrically distributed on the left side and the right side of the mounting groove (12) and the second jack (8), the two explosion-proof assemblies are arranged at the left side and the two positive pole posts (8 are connected, the utility model discloses a cathode post (5) with be located first jack (7) and second jack (8) sliding connection of right-hand member, two the inside of mounting groove (12) all is provided with weld ring (13), weld ring (13) are connected with mounting groove (12) through the block subassembly, two the upper end of weld ring (13) all is provided with injection molding (6), the upper end of going up injection molding (6) is provided with anti-torsion subassembly, and the last injection molding (6) that is located the left end is connected with positive pole post (4) through anti-torsion subassembly, and the last injection molding (6) that is located the right-hand member is connected with cathode post (5) through anti-torsion subassembly.
2. The pole anti-rotation lithium ion battery cover plate structure according to claim 1, wherein: the explosion-proof assembly comprises a mounting hole (10), a protective film (3) and an explosion-proof sheet (9), wherein the mounting hole (10) is formed in the upper end face of the upper cover plate sheet (1), the protective film (3) and the explosion-proof sheet (9) are mounted in the mounting hole (10), and the protective film (3) is located at the upper end of the explosion-proof sheet (9).
3. The pole anti-rotation lithium ion battery cover plate structure according to claim 1, wherein: the clamping assembly comprises a card (16), clamping grooves (19) and annular grooves (20), wherein the clamping grooves (19) are formed in the upper end face of the upper cover plate (1), the clamping grooves (19) are formed in four parts, the clamping grooves are uniformly located in one circle of the mounting grooves (12), the annular grooves (20) are formed in the upper cover plate (1), the annular grooves (20) are formed in the lower end of the mounting grooves (12), the card (16) are connected with the card (16) in a sliding mode in the annular grooves (20), the card (16) are fixedly connected with the welding rings (13), the card (16) corresponds to the clamping grooves (19) one by one, the card (16) is connected with the clamping grooves (19) in a sliding mode, the card (16) is provided with four parts, and is uniformly located in one circle of the welding rings (13), and the card (16) and the welding rings (13) are of an integral structure.
4. The pole anti-rotation lithium ion battery cover plate structure according to claim 1, wherein: the utility model discloses a clamping block structure, including upper injection molding (6), clamping block (15) are fixedly connected with on the periphery of upper injection molding (6), clamping block (15) are provided with four, evenly distributed on the periphery of upper injection molding (6), and clamping block (15) and upper injection molding (6) are integrated into one piece structure, the thickness of clamping block (15) and the degree of depth looks adaptation of draw-in groove (19).
5. The pole anti-rotation lithium ion battery cover plate structure according to claim 1, wherein: the anti-torsion assembly comprises clamping strips (21) and positioning grooves (18) and a compression cap (11), wherein the compression cap (11) is fixedly connected to the upper end of the upper injection molding part (6), the positioning grooves (18) are formed in the compression cap (11), the clamping strips (21) are fixedly connected to the circumferential surfaces of the positive pole column (4) and the negative pole column (5), the clamping strips (21) are in sliding connection with the positioning grooves (18), and the clamping strips (21) and the positioning grooves (18) are all provided with a plurality of clamping strips and are in one-to-one correspondence and uniformly distributed on one circle of the positive pole column (4) or the negative pole column (5).
6. The pole anti-rotation lithium ion battery cover plate structure according to claim 1, wherein: a sealing ring (14) is arranged between the upper injection molding (6) and the convex mounting ring (17).
7. The pole anti-rotation lithium ion battery cover plate structure according to claim 1, wherein: the anti-slip coating is arranged on the bulge mounting ring (17) and the inner wall of the upper injection molding (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321194513.1U CN219696564U (en) | 2023-05-17 | 2023-05-17 | Lithium ion battery cover plate structure with rotation-preventing polar column |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321194513.1U CN219696564U (en) | 2023-05-17 | 2023-05-17 | Lithium ion battery cover plate structure with rotation-preventing polar column |
Publications (1)
Publication Number | Publication Date |
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CN219696564U true CN219696564U (en) | 2023-09-15 |
Family
ID=87968602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321194513.1U Active CN219696564U (en) | 2023-05-17 | 2023-05-17 | Lithium ion battery cover plate structure with rotation-preventing polar column |
Country Status (1)
Country | Link |
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CN (1) | CN219696564U (en) |
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2023
- 2023-05-17 CN CN202321194513.1U patent/CN219696564U/en active Active
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