CN220856719U - Top cover structure and energy storage battery - Google Patents
Top cover structure and energy storage battery Download PDFInfo
- Publication number
- CN220856719U CN220856719U CN202322554096.3U CN202322554096U CN220856719U CN 220856719 U CN220856719 U CN 220856719U CN 202322554096 U CN202322554096 U CN 202322554096U CN 220856719 U CN220856719 U CN 220856719U
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- Prior art keywords
- top cover
- mounting hole
- negative pole
- hole
- pole column
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- 238000004146 energy storage Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 37
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application provides a top cover structure and an energy storage battery, comprising: the top cover plate is of an aluminum structure, the top cover plate is provided with a negative pole column mounting hole and a positive pole column mounting hole, the negative pole column mounting hole penetrates through the top cover plate up and down, the upper end of the positive pole column mounting hole penetrates through the top surface of the top cover plate, and the lower end of the positive pole column mounting hole is closed; the negative pole column is in clearance fit with the negative pole column mounting hole, and the negative pole column is connected with the top cover sheet through the insulating sealing structure; the negative electrode connecting piece is positioned below the top cover piece and is connected with the bottom of the negative electrode column; the positive pole is arranged on the positive pole mounting hole; and the positive electrode connecting sheet is arranged at the bottom of the top cover sheet and is positioned below the positive electrode column. It can improve charge-discharge efficiency and reduce cost.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a top cover structure and an energy storage battery.
Background
In the energy storage battery structure, the top cover structure mainly comprises a top cover plate, a positive pole column, a negative pole column, a plastic part on the positive pole, a plastic part on the negative pole, an explosion-proof piece, a lower plastic part and other parts.
However, because the positive pole in the energy storage battery structure in the prior art is arranged on the top cover plate through the insulating sealing structure composed of the upper plastic and the sealing ring, the positive pole connecting piece is connected with the positive pole, and the structure belongs to the micro-conductive structure due to the fact that the plastic piece on the positive pole is arranged between the positive pole connecting piece and the top cover plate, the conductive performance is poor, the battery charging and discharging process is long, the charging and discharging efficiency is low, and in addition, the structure has more parts and is troublesome to assemble and high in cost.
Disclosure of utility model
The embodiment of the application provides a top cover structure and an energy storage battery, which are used for solving the problems of the related technology, and the technical scheme is as follows:
in a first aspect, an embodiment of the present application provides a roof structure, including:
The top cover plate is of an aluminum structure, the top cover plate is provided with a negative pole column mounting hole and a positive pole column mounting hole, the negative pole column mounting hole penetrates through the top cover plate up and down, the upper end of the positive pole column mounting hole penetrates through the top surface of the top cover plate, and the lower end of the positive pole column mounting hole is closed;
The negative pole column is in clearance fit with the negative pole column mounting hole, and the negative pole column is connected with the top cover sheet through an insulating sealing structure;
The negative electrode connecting piece is positioned below the top cover piece and is connected with the bottom of the negative electrode column;
The positive pole is arranged on the positive pole mounting hole; and
The positive electrode connecting piece is arranged at the bottom of the top cover piece and is positioned below the positive electrode column.
In one embodiment, the method further comprises:
The lower plastic part, lower plastic part install in the bottom of top cap piece, lower plastic part is equipped with first hole and the second of dodging dodges the hole, first dodging the hole with the hole is dodged to the second is dodged both link up from top to bottom lower plastic part, first dodging the hole is located the below of anodal post mounting hole, first dodging the hole is used for dodging anodal connection piece, so that anodal connection piece with the bottom of top cap piece is connected, the second dodges the hole and is located the below of negative pole mounting hole, the second dodges the hole and is used for dodging the negative pole connection piece, so that the negative pole connection piece with the bottom of negative pole is connected, lower plastic part extends to negative pole mounting hole and with insulating seal structure is connected.
In one embodiment, the bottom of the top cover plate is located at a position below the positive electrode column mounting hole and extends downwards to form a first connection portion, the first connection portion is adapted to the first avoidance hole, and the lower end of the first connection portion penetrates out of the first avoidance hole and is connected with the positive electrode connecting piece.
In one embodiment, a riveting column is arranged at the bottom of the top cover plate, the lower plastic part is provided with a riveting hole, the riveting hole penetrates through the lower plastic part up and down, and the riveting hole and the riveting column are riveted through a die riveting process;
the insulation sealing structure is provided with a first clamping structure, the lower plastic part is provided with a second clamping structure, the second clamping structure surrounds the second avoidance hole, and the second clamping structure is buckled with the first clamping structure.
In one embodiment, the top cover sheet includes:
The top cover body, the negative pole column mounting hole and the positive pole column mounting hole are both arranged on the top cover body; and
The supporting part, the supporting part with top cap body integral type sets up, the supporting part centers on the setting of negative pole post mounting hole, the supporting part is followed the top of top cap body upwards and towards being close to the direction of the vertical center pin of negative pole post mounting hole extends the formation, the supporting part by insulating seal structure covers.
In one embodiment, the insulating sealing structure comprises:
The gasket is arranged at the bottom of the top cover body and is positioned in the negative pole column mounting hole;
The sealing ring is arranged between the hole wall of the negative pole column mounting hole and the outer wall of the negative pole column, the sealing ring is arranged above the gasket, and the gasket and the negative pole column mutually extrude the sealing ring so that the negative pole column and the top cover sheet are in sealing connection; and
The upper plastic part is injection molded between the supporting part and the negative pole column, the supporting part is covered by the upper plastic part, and the gap between the negative pole column mounting hole and the negative pole column is covered by the upper plastic part.
In one embodiment, a first annular positioning groove is formed in the lower end of the negative electrode column, and the first annular positioning groove is matched with the sealing ring.
In one embodiment, a second annular positioning groove is formed in the bottom of the top cover body, the second annular positioning groove is communicated with the negative pole column mounting hole, and the second annular positioning groove is matched with the gasket.
In one embodiment, the negative electrode connection piece includes:
The second connecting part is connected with the bottom of the negative pole column, and the bottom of the second connecting part is used for being connected with the top of the negative pole lug; and
The two third connecting portions are integrally arranged, one of the third connecting portions is rotatably arranged on the first side of the second connecting portion, the other third connecting portion is rotatably arranged on the second side of the second connecting portion, the second side and the first side are oppositely arranged, and the two third connecting portions are both used for being connected with the bottom of the negative electrode lug.
In a second aspect, an embodiment of the present application provides an energy storage battery, including:
The shell is provided with a cavity and an opening communicated with the cavity, and the opening is positioned at the top of the shell;
the battery cell is arranged in the cavity; and
The top cover structure is characterized in that the top cover sheet is arranged on the shell, the top cover sheet covers the opening, the negative electrode connecting sheet is connected with the negative electrode lug of the battery cell, and the positive electrode connecting sheet is connected with the positive electrode lug of the battery cell.
The advantages or beneficial effects in the technical scheme at least comprise:
According to the top cover structure, the positive pole is directly arranged on the top cover sheet, the positive pole connecting sheet is connected with the conductive top cover sheet, and an insulating structure is not arranged among the top cover sheet, the positive pole and the positive pole connecting sheet, so that a pure conductive structure is formed, the positive pole has good conductive performance, and the negative pole is arranged on the top cover sheet through the insulating sealing structure, so that the negative pole has better conductive performance, and therefore, the positive pole and the negative pole under the structure can ensure higher charge and discharge efficiency of the energy storage battery with the top cover structure; in addition, as no other connecting piece exists between the positive pole and the top cover sheet, the structure is simplified, the assembly efficiency is higher, and the cost is lower; in addition, because the lower extreme of anodal post mounting hole is sealed for need not to set up the sealing member between anodal post and top cap piece and can ensure good leakproofness, can simplify the structure, can also improve the leakproofness of this top cap structure.
The energy storage battery of the utility model adopts the top cover structure, so that the charge and discharge efficiency can be improved, and meanwhile, the cost can be reduced.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will become apparent by reference to the drawings and the following detailed description.
Drawings
In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not therefore to be considered limiting of its scope.
FIG. 1 is a cross-sectional view of a top cover structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B in FIG. 1;
FIG. 4 is an enlarged view of a portion at C in FIG. 1;
fig. 5 is a schematic perspective view of the negative electrode connecting piece according to the present utility model, wherein the third connecting portion is in an upright state not welded to the negative electrode tab;
fig. 6 is a schematic perspective view of the negative electrode connecting piece according to the present utility model, wherein the third connecting portion is in a folded state welded to the negative electrode tab.
Reference numerals
10. A top cover sheet; 11. a support part; 12. a first connection portion; 13. riveting a column; 20. a negative electrode column; 30. an insulating sealing structure; 31. a gasket; 311. a first clamping structure; 32. a seal ring; 33. a plastic part is arranged; 40. a negative electrode connecting sheet; 41. a second connecting portion; 42. a third connecting portion; 50. a positive electrode post; 60. a positive electrode connecting sheet; 70. a lower plastic part; 71. a second clamping structure; 72. and (5) riveting holes.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Referring to fig. 1-6, a top cover structure of a preferred embodiment of the present utility model is shown, comprising:
The top cover plate 10, the top cover plate 10 is of an aluminum structure, the top cover plate 10 made of aluminum has excellent conductivity, the top cover plate 10 is provided with a negative pole column mounting hole and a positive pole column mounting hole, the negative pole column mounting hole penetrates through the top cover plate 10 up and down, the upper end of the positive pole column mounting hole penetrates through the top surface of the top cover plate 10, and the lower end of the positive pole column mounting hole is closed;
The negative pole column 20, the negative pole column 20 and the negative pole column mounting hole are in clearance fit, and the negative pole column 20 is connected with the top cover sheet 10 through the insulating sealing structure 30;
The negative electrode connecting piece 40 is positioned below the top cover piece 10, the negative electrode connecting piece 40 is connected with the bottom of the negative electrode post 20, and the negative electrode connecting piece 40 is used for being connected with the negative electrode lug of the battery cell;
The positive pole 50, the positive pole 50 is installed on the positive pole mounting hole, the positive connection piece 60 is used for connecting with the positive lug of the battery cell; and
The positive electrode connection piece 60, the positive electrode connection piece 60 is installed at the bottom of the top cover sheet 10 and is located below the positive electrode post 50.
In the top cover structure, the positive pole 50 is directly arranged on the top cover sheet 10, the positive pole connecting sheet 60 and the conductive top cover sheet 10 are connected together, and the top cover sheet 10, the positive pole 50 and the positive pole connecting sheet 60 are not provided with insulating structures, so that a pure conductive structure is formed, the positive pole has good conductive performance, and the negative pole 20 is arranged on the top cover sheet 10 through the insulating sealing structure 30, so that the negative pole has better conductive performance, and therefore, the positive pole and the negative pole under the structure can ensure higher charge and discharge efficiency of the energy storage battery with the top cover structure; in addition, as no other connecting piece exists between the positive pole 50 and the top cover sheet 10, the structure is simplified, the assembly efficiency is higher, and the cost is lower; in addition, since the lower end of the positive electrode column mounting hole is closed, excellent sealing performance can be ensured without providing a sealing member between the positive electrode column 50 and the top cover sheet 10, and the sealing performance of the top cover structure can be improved while the structure is simplified. Referring to fig. 1, in one embodiment, the present roof structure further comprises:
The lower plastic part 70, lower plastic part 70 is installed in the bottom of top cap 10, and lower plastic part 70 is located the electric core top, play the effect of supporting top cap 10 and making top cap 10 and electric core insulation, lower plastic part 70 is equipped with first hole and the second hole of dodging, first hole and the second hole of dodging are all link up lower plastic part 70 from top to bottom, first hole of dodging is located the below of anodal post mounting hole, first hole of dodging is used for dodging anodal connection piece 60, so that anodal connection piece 60 is connected with the bottom of top cap 10, the second hole of dodging is located the below of negative pole post mounting hole, the second dodging is used for dodging negative pole connection piece 40, so that negative pole connection piece 40 is connected with the bottom of negative pole 20, lower plastic part 70 part extends to negative pole post mounting hole and is connected with insulating seal structure 30, make lower plastic part 70 and top cap 10 zonulae tightly, thereby improve the connection reliability and the leakproofness of lower plastic part 70 and top cap piece 10.
Referring to fig. 1 and 3, in one embodiment, the portion of the bottom of the top cover sheet 10 located below the mounting hole of the positive electrode post extends downward to form a first connection portion 12, the first connection portion 12 is adapted to the first avoidance hole, and the lower end of the first connection portion 12 penetrates out of the first avoidance hole and is connected to the positive electrode connection sheet 60. Because the first connecting portion 12 is matched with the first avoiding hole, connection reliability of the lower plastic part 70 and the top cover sheet 10 is further improved, and therefore the lower plastic part 70 and the top cover sheet 10 are tightly connected.
Referring to fig. 1 and 4, in an embodiment, a riveting column 13 is arranged at the bottom of a top cover sheet 10, a riveting hole 72 is arranged on a lower plastic part 70, the riveting hole 72 penetrates through the lower plastic part 70 up and down, the riveting hole 72 and the riveting column 13 are riveted through a die riveting process, so that the lower plastic part 70 and the top cover sheet 10 are reliably connected together, the riveting structure is simple, the assembly is convenient, and a traditional die injection connection mode and an ultrasonic hot melting connection mode can be replaced, so that the cost of the top cover structure can be reduced, and the blasting performance can be ensured;
Referring to fig. 1 and 2, the insulating sealing structure 30 is provided with a first clamping structure 311, the lower plastic part 70 is provided with a second clamping structure 71, the second clamping structure 71 is arranged around the second avoidance hole, the second clamping structure 71 and the first clamping structure 311 are buckled, the clamping structure is simple, the reliability is high, and the assembly is convenient. Referring to fig. 1 and 2, in one embodiment, the roof sheet 10 includes:
the top cover body, the negative pole column mounting hole and the positive pole column mounting hole are all arranged on the top cover body; and
The supporting part 11, the supporting part 11 and the top cap body are integrally arranged, the supporting part 11 is arranged around the negative pole column mounting hole, the supporting part 11 is formed by extending upwards from the top of the top cap body and towards the direction close to the vertical central shaft of the negative pole column mounting hole, and the supporting part 11 is covered by the insulating sealing structure 30. Because there is supporting part 11 at the last integrated into one piece of top cap body, and supporting part 11 is covered by insulating seal structure 30, can support insulating seal structure 30, the area of contact of top cap piece 10 and insulating seal structure 30 has been increased, thereby can improve the connection reliability of top cap piece 10 and negative pole post 20, thereby strengthen the structural strength of this top cap structure, consequently, the supporting part 11 can replace the supporting ring in the traditional top cap structure, make this top cap structure save the welding supporting ring and save the step that sets up the insulating part between supporting ring and negative pole post 20, the manufacturing process and the structure of this top cap structure have been simplified, thereby can reduce the cost of this top cap structure.
Referring to fig. 2, in one embodiment, the insulating sealing structure 30 includes:
The gasket 31 is arranged at the bottom of the top cover body and positioned in the negative pole column mounting hole;
The sealing ring 32 is arranged between the hole wall of the negative pole column mounting hole and the outer wall of the negative pole column 20, the sealing ring 32 is arranged above the gasket 31, and the gasket 31 and the negative pole column 20 mutually press the sealing ring 32 so as to enable the negative pole column 20 to be in sealing connection with the top cover sheet 10; and
The upper plastic part 33, the upper plastic part 33 is injection molded between the supporting part 11 and the negative pole 20, the upper plastic part 33 covers the supporting part 11, and the upper plastic part 33 covers the gap between the negative pole mounting hole and the negative pole 20. Because the upper plastic part 33 is formed between the supporting part 11 and the negative pole column 20 in an injection molding mode, tight connection among the top cover plate 10, the negative pole column 20 and the upper plastic part 33 can be realized, so that the sealing performance of the top cover structure can be improved, and meanwhile, the manufacturing cost can be reduced; since the gasket 31 is connected with the cap body, tight connection of the gasket 31 and the cap piece 10 can be ensured, and simultaneously, since the gasket 31 and the negative electrode post 20 press the seal ring 32 against each other, the sealing reliability of the gasket 31 and the negative electrode post 20 is improved, so that the sealing properties of both the cap piece 10 and the negative electrode post 20 can be improved.
Specifically, the first clamping structure 311 is disposed on the gasket 31, the first clamping structure 311 is provided with a boss, the second clamping structure 71 is provided with a groove, and the groove is adapted to the boss, so as to realize clamping of the first clamping structure 311 and the second clamping structure 71.
In one embodiment, the lower end of the negative electrode post 20 is provided with a first annular detent that mates with the seal ring 32. The first annular positioning groove can position the seal ring 32, and ensure that the seal ring 32 is set at a set position, thereby ensuring the sealability of the negative electrode post 20 and the top cover sheet 10.
In one embodiment, the bottom of the top cover body is provided with a second annular positioning groove, the second annular positioning groove is communicated with the negative pole column mounting hole, and the second annular positioning groove is matched with the gasket 31. The contact area of the gasket 31 and the top cover sheet 10 can be increased through the arrangement of the second annular positioning groove, and meanwhile, the gasket 31 can be positioned, so that the gasket 31 can be reliably arranged on the top cover sheet 10, the tight connection between the gasket 31 and the top cover sheet 10 is realized, and the sealing performance is better.
Referring to fig. 5-6, in one embodiment, the negative electrode tab 40 includes:
The second connecting part 41, the second connecting part 41 is connected with the bottom of the negative pole column 20, and the bottom of the second connecting part 41 is used for being connected with the top of the negative pole ear; and
The two third connecting portions 42, the third connecting portion 42 and the second connecting portion 41 are integrally arranged, wherein one third connecting portion 42 is rotatably arranged on the first side of the second connecting portion 41, the other third connecting portion 42 is rotatably arranged on the second side of the second connecting portion 41, the second side and the first side are oppositely arranged, and the two third connecting portions 42 are both used for being connected with the bottom of the negative electrode lug. The two third connecting portions 42 are used for coating the negative electrode lug, so that the structural strength of the negative electrode lug can be increased, the connection reliability of the negative electrode connecting piece 40 and the negative electrode lug can be improved, and meanwhile, the third connecting portions 42 and the second connecting portions 41 are integrally arranged, so that welding of the third connecting portions 42 and the second connecting portions 41 is not needed, the process is simplified, and the assembly efficiency can be improved, and the cost is reduced.
In a preferred embodiment of the present utility model, there is provided an energy storage battery including:
The shell is provided with a cavity and an opening communicated with the cavity, and the opening is positioned at the top of the shell;
The battery cell is arranged in the cavity; and
In the above-described top cover structure, the top cover sheet 10 is mounted on the case, the top cover sheet 10 covers the opening, the negative electrode connecting sheet 40 is connected to the negative electrode tab of the battery cell, and the positive electrode connecting sheet 60 is connected to the positive electrode tab of the battery cell.
The energy storage battery of the utility model adopts the top cover structure, so that the charge and discharge efficiency can be improved, and meanwhile, the cost can be reduced.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that various modifications and substitutions are possible within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (10)
1. A roof structure, comprising:
The top cover plate is of an aluminum structure, the top cover plate is provided with a negative pole column mounting hole and a positive pole column mounting hole, the negative pole column mounting hole penetrates through the top cover plate up and down, the upper end of the positive pole column mounting hole penetrates through the top surface of the top cover plate, and the lower end of the positive pole column mounting hole is closed;
The negative pole column is in clearance fit with the negative pole column mounting hole, and the negative pole column is connected with the top cover sheet through an insulating sealing structure;
The negative electrode connecting piece is positioned below the top cover piece, is connected with the bottom of the negative electrode column and is used for being connected with the negative electrode lug of the battery cell;
The positive pole is arranged on the positive pole mounting hole; and
The positive electrode connecting piece is arranged at the bottom of the top cover piece and is positioned below the positive electrode column, and the positive electrode connecting piece is used for being connected with a positive electrode lug of the battery cell.
2. The roof structure of claim 1, further comprising:
the lower plastic part, lower plastic part install in the bottom of top cap piece, lower plastic part is equipped with first hole and the second of dodging dodges the hole, first dodge the hole with the hole is dodged to the second all link up from top to bottom lower plastic part, first dodge the hole be located the below of positive pole mounting hole, first dodge the hole be used for dodging the positive connection piece, so that the positive connection piece with the bottom of top cap piece is connected, the second dodges the hole and is located the below of negative pole mounting hole, the second dodges the hole and is used for dodging the negative connection piece, so that the negative connection piece with the bottom of negative pole is connected, lower plastic part extends to negative pole mounting hole and with insulating seal structure connects.
3. The top cover structure according to claim 2, wherein the bottom of the top cover plate is located below the positive electrode post mounting hole and extends downwards to form a first connecting portion, the first connecting portion is adapted to the first avoiding hole, and the lower end of the first connecting portion penetrates out of the first avoiding hole and is connected with the positive electrode connecting piece.
4. A roof structure according to claim 3, wherein a rivet is provided at the bottom of the roof sheet, the lower plastic member is provided with a rivet hole, the rivet hole penetrates through the lower plastic member from top to bottom, and the rivet hole and the rivet are riveted;
the insulation sealing structure is provided with a first clamping structure, the lower plastic part is provided with a second clamping structure, the second clamping structure surrounds the second avoidance hole, and the second clamping structure is buckled with the first clamping structure.
5. The roof structure of claim 1, wherein said roof sheet comprises:
The top cover body, the negative pole column mounting hole and the positive pole column mounting hole are both arranged on the top cover body; and
The supporting part, the supporting part with top cap body integral type sets up, the supporting part centers on the setting of negative pole post mounting hole, the supporting part is followed the top of top cap body upwards and towards being close to the direction of the vertical center pin of negative pole post mounting hole extends the formation, the supporting part by insulating seal structure covers.
6. The roof structure of claim 5, wherein the insulating seal structure comprises:
The gasket is arranged at the bottom of the top cover body and is positioned in the negative pole column mounting hole;
The sealing ring is arranged between the hole wall of the negative pole column mounting hole and the outer wall of the negative pole column, the sealing ring is arranged above the gasket, and the gasket and the negative pole column mutually extrude the sealing ring so that the negative pole column and the top cover sheet are in sealing connection; and
The upper plastic part is injection molded between the supporting part and the negative pole column, the supporting part is covered by the upper plastic part, and the gap between the negative pole column mounting hole and the negative pole column is covered by the upper plastic part.
7. The top cover structure according to claim 6, wherein a first annular positioning groove is formed in the lower end of the negative electrode post, and the first annular positioning groove is matched with the sealing ring.
8. The top cover structure according to claim 6, wherein a second annular positioning groove is formed in the bottom of the top cover body, the second annular positioning groove is communicated with the negative electrode column mounting hole, and the second annular positioning groove is matched with the gasket.
9. The header structure of claim 1, wherein said negative connection tab comprises:
The second connecting part is connected with the bottom of the negative pole column, and the bottom of the second connecting part is used for being connected with the top of the negative pole lug; and
The two third connecting portions are integrally arranged, one of the third connecting portions is rotatably arranged on the first side of the second connecting portion, the other third connecting portion is rotatably arranged on the second side of the second connecting portion, the second side and the first side are oppositely arranged, and the two third connecting portions are both used for being connected with the bottom of the negative electrode lug.
10. An energy storage battery, comprising:
The shell is provided with a cavity and an opening communicated with the cavity, and the opening is positioned at the top of the shell;
the battery cell is arranged in the cavity; and
The cap structure of any one of claims 1-9, wherein the cap piece is mounted to the housing, the cap piece covers the opening, the negative electrode connection piece is connected to the negative electrode tab of the cell, and the positive electrode connection piece is connected to the positive electrode tab of the cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322554096.3U CN220856719U (en) | 2023-09-19 | 2023-09-19 | Top cover structure and energy storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322554096.3U CN220856719U (en) | 2023-09-19 | 2023-09-19 | Top cover structure and energy storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856719U true CN220856719U (en) | 2024-04-26 |
Family
ID=90742136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322554096.3U Active CN220856719U (en) | 2023-09-19 | 2023-09-19 | Top cover structure and energy storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856719U (en) |
-
2023
- 2023-09-19 CN CN202322554096.3U patent/CN220856719U/en active Active
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