CN214898630U - Apron subassembly and electricity core - Google Patents

Apron subassembly and electricity core Download PDF

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Publication number
CN214898630U
CN214898630U CN202120946580.9U CN202120946580U CN214898630U CN 214898630 U CN214898630 U CN 214898630U CN 202120946580 U CN202120946580 U CN 202120946580U CN 214898630 U CN214898630 U CN 214898630U
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China
Prior art keywords
sealing gasket
terminal
sealing
cover
clamping portion
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CN202120946580.9U
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Chinese (zh)
Inventor
徐峥
张可
李阳
赵生荣
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Hubei Eve Power Co Ltd
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Hubei Eve Power Co Ltd
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Priority to CN202120946580.9U priority Critical patent/CN214898630U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to the technical field of batteries, a apron subassembly and electric core is disclosed, wherein the apron subassembly includes: the terminal is connected to the pole of the battery cell; the sealing ring comprises a sleeving part, a first sealing gasket and a second sealing gasket, the sleeving part is configured to be cylindrical, the sleeving part is sleeved on the pole, the first sealing gasket and the second sealing gasket are wound on the outer peripheral surface of the sleeving part, and the first sealing gasket and the second sealing gasket are arranged in parallel at intervals; the light plate is provided with a sleeve hole, the light plate is arranged on the sleeve part through the sleeve hole, the first sealing gasket is clamped between the light plate and the terminal in a sealing manner, and the second sealing gasket is clamped between the light plate and the pole in a sealing manner. Through above-mentioned structure, improved the sealed reliability of this apron subassembly, be favorable to reducing the risk that the weeping takes place for electric core.

Description

Apron subassembly and electricity core
Technical Field
The utility model relates to a battery technology field especially relates to an apron subassembly and electric core.
Background
With the vigorous development of the lithium battery industry, higher requirements are put forward on the safety and reliability of batteries in application environments such as electric vehicles and energy storage systems. The cover plate and the aluminum shell in the structural component of the battery cell are safe final defense lines, which ensure the safety, reliability, durability and sealing of the battery cell and are a carrier for realizing various electrical properties of the battery. The sealing leakage is a necessary attribute of the battery core, and the sealing ring in the cover plate is an important part for ensuring the sealing performance of the battery core.
At present, the existing sealing ring structure only provides a sealing surface, and after the sealing surface is damaged due to manufacturing reasons or the problem of supplied materials, the produced cover plate has poor sealing property and is easy to cause great harm to the leakage of the produced battery core. As shown in fig. 1, the conventional cover plate assembly generally includes a terminal 100, an upper plastic part 200, a light plate 300, a lower plastic part 400, and a sealing ring 500, wherein the lower plastic part 400 is sealed and disposed on a terminal post 600 of an electrical core, the light plate 300 is sealed and disposed on the lower plastic part 400, the terminal 100 is connected to the terminal post 600, the upper plastic part 200 is sealed and clamped between the terminal 100 and the light plate 300, and the sealing ring 500 is sleeved on the terminal post 600 and is sealed and clamped between the terminal 100, the light plate 300, and the terminal post 600. The sealing ring 500 is compressed only by the terminal 100 to form a sealing structure, so that the sealing capability is limited and the sealing performance needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an apron subassembly, this apron subassembly can improve sealed reliability, is favorable to reducing the risk that electric core takes place the weeping.
To achieve the purpose, the utility model adopts the following technical proposal:
a cover plate assembly comprising: the terminal is connected to the pole of the battery cell; the sealing ring comprises a sleeving part, a first sealing gasket and a second sealing gasket, the sleeving part is configured to be cylindrical, the sleeving part is sleeved on the pole, the first sealing gasket and the second sealing gasket are wound on the outer peripheral surface of the sleeving part, and the first sealing gasket and the second sealing gasket are arranged in parallel at intervals; the light panel is provided with a sleeve hole, the light panel is arranged on the sleeve part through the sleeve hole, the first sealing gasket is arranged between the light panel and the terminal in a sealing clamping mode, and the second sealing gasket is arranged between the light panel and the terminal in a sealing clamping mode.
As a preferred scheme of apron subassembly, this apron subassembly still includes first plastic part, first plastic part includes the clamping part, the clamping part sets up to the annular, the clamping part cover is located on the first sealing pad and press from both sides and locate the terminal with between the worn-out fur.
As a preferred scheme of apron subassembly, first plastic part still includes to wind establishes the portion, it sets up to the tube-shape to wind establishes the portion, the clamping part connect in wind the one end of establishing the portion, it locates to wind establishes the portion cover on the outer peripheral face of terminal.
As a preferred scheme of the cover plate assembly, a first positioning groove is formed in a side surface, close to the clamping portion, of the light plate, and the clamping portion is arranged in the first positioning groove.
As a preferred scheme of the cover plate assembly, the cover plate assembly further comprises a second plastic part, wherein the second plastic part comprises a clamping part, and the clamping part is sleeved on the outer side of the second sealing gasket and clamped between the optical plate and the pole.
As a preferred scheme of apron subassembly, press from both sides to establish and be equipped with location portion on the portion, the worn-out fur is close to press from both sides and establish and seted up the second constant head tank on the side of establishing the portion, location portion arranges in the second constant head tank.
As a preferable mode of the cover plate assembly, a first mounting groove is formed on a side surface of the terminal close to the first gasket, and a part of the first gasket is disposed in the first mounting groove.
As a preferred scheme of apron subassembly, utmost point post is close to be equipped with the second mounting groove on the sealed side of filling up of second, and part the second is sealed to be filled up and is arranged in the second mounting groove.
Another object of the present invention is to provide an electrical core, which has good sealing performance, less leakage and high safety.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery cell comprises the cover plate assembly in any one of the technical schemes.
The utility model has the advantages that:
the utility model provides an apron subassembly, this apron subassembly include terminal, sealing washer and worn-out fur, and the terminal is connected on the utmost point post of electric core, and the sealing washer is established portion, first sealed pad and the sealed pad of second including the cover, and the cover of tube-shape is established the portion cover and is located on the outer peripheral face of utmost point post, and first sealed pad and the sealed parallel interval setting of second are sealed and around locating on the outer peripheral face of the portion is established to the cover. The light plate is provided with a sleeving hole, the light plate is sleeved on the peripheral face of the sleeving part through the sleeving hole, the first sealing gasket is clamped between the light plate and the terminal in a sealing mode, and the second sealing gasket is clamped between the light plate and the pole in a sealing mode. In above-mentioned structure, not only first sealed pad forms sealedly between worn-out fur and terminal, and the sealed pad of second also forms sealedly between worn-out fur and utmost point post moreover, has improved the sealed reliability of this apron subassembly, is favorable to reducing the risk that the weeping takes place for electric core.
The utility model also provides an electric core, this electric core has the good and high advantage of security of leakproofness because the apron subassembly that provides including above-mentioned technical scheme.
Drawings
FIG. 1 is a schematic diagram of a cover plate assembly provided in the prior art;
fig. 2 is a schematic structural diagram of a cover plate assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a seal ring according to an embodiment of the present invention.
In fig. 1:
100. a terminal; 200. applying a plastic part; 300. a light panel; 400. a plastic part is put; 500. a seal ring; 600. a pole column;
in fig. 2:
1. a terminal; 2. a pole column; 3. a seal ring; 31. a housing portion; 32. a first gasket; 33. a second gasket; 4. a light panel; 51. a clamping portion; 52. a winding part; 61. a clamping section; 62. a positioning part.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solutions of the cover plate assembly and the battery cell provided by the present invention are further described below with reference to the accompanying drawings and specific embodiments.
The present embodiment provides a cover plate assembly, as shown in fig. 2, which includes a terminal 1, a gasket 3, and an optical plate 4. Specifically, the terminal 1 is connected to the pole 2 of the battery cell, as shown in fig. 3, the sealing ring 3 includes a sleeve portion 31, a first sealing gasket 32 and a second sealing gasket 33, the sleeve portion 31 is configured in a cylindrical shape, the cylindrical sleeve portion 31 is sleeved on the outer peripheral surface of the pole 2, the first sealing gasket 32 and the second sealing gasket 33 are wound on the outer peripheral surface of the sleeve portion 31, and the first sealing gasket 32 and the second sealing gasket 33 are arranged in parallel at intervals to form a containing groove therebetween. The light plate 4 is provided with a sleeving hole, and the light plate 4 is sleeved on the peripheral surface of the sleeving part 31 through the sleeving hole. Specifically, the optical plate 4 is sleeved in the accommodating groove through the sleeving hole, and the first sealing gasket 32 is hermetically clamped between the optical plate 4 and the terminal 1, so that the terminal 1 is hermetically connected with the optical plate 4; the second sealing gasket 33 is clamped between the optical plate 4 and the pole 2 in a sealing manner, so that the pole 2 is connected with the optical plate 4 in a sealing manner.
Through above-mentioned structure, sealing washer 3 not only forms sealedly between worn-out fur 4 and terminal 1, has also formed sealedly moreover between worn-out fur 4 and utmost point post 2, has improved the sealed reliability of this apron subassembly, is favorable to reducing the risk that the weeping takes place for electric core.
Preferably, a first mounting groove is formed on the side surface of the terminal 1 close to the first sealing gasket 32, and a part of the first sealing gasket 32 is arranged in the first mounting groove, so that the first sealing gasket 32 can be conveniently mounted on the terminal 1, and the sealing ring 3 is convenient to mount. Further, the side of the pole column 2 close to the second sealing gasket 33 is provided with a second mounting groove, and part of the second sealing gasket 33 is arranged in the second mounting groove, so that the second sealing gasket 33 can be conveniently mounted on the pole column 2, and the sealing ring 3 can be conveniently mounted.
In this embodiment, the cover plate assembly further includes a first plastic member, as shown in fig. 2, the first plastic member includes a clamping portion 51, the clamping portion 51 is annular, the clamping portion 51 is sleeved on the first sealing gasket 32 and clamped between the terminal 1 and the optical plate 4, and the clamping portion 51 can play a role of auxiliary sealing, which is beneficial to improving the sealing performance between the terminal 1 and the optical plate 4. Preferably, the first plastic part further includes a winding portion 52, the winding portion 52 is provided in a cylindrical shape, the clamping portion 51 is connected to one end of the winding portion 52, and the winding portion 52 is sleeved on the outer peripheral surface of the terminal 1, so as to protect the terminal 1 to a certain extent.
Preferably, a first positioning groove is formed in the side surface, close to the clamping portion 51, of the optical plate 4, and the clamping portion 51 is arranged in the first positioning groove, so that the first plastic part and the optical plate 4 can be conveniently positioned.
In this embodiment, the cover plate assembly further includes a second plastic component, as shown in fig. 2, the second plastic component includes a clamping portion 61, the clamping portion 61 is sleeved outside the second sealing gasket 33 and clamped between the optical plate 4 and the post 2, and the clamping portion 61 can play a role of auxiliary sealing, which is beneficial to improving the sealing performance between the post 2 and the optical plate 4. Preferably, the clamping portion 61 is provided with a positioning portion 62, the positioning portion 62 protrudes from the clamping portion 61, a second positioning groove is formed in a side surface of the optical plate 4 close to the clamping portion 61, and the positioning portion 62 is disposed in the second positioning groove, so that the second plastic part and the optical plate 4 can be conveniently positioned.
Next, the mounting step of the cover plate assembly provided in the present embodiment will be described.
S1, mounting a first plastic part on a terminal 1, and sleeving the first plastic part on the terminal 1.
S2, the clamping portion 51 of the first plastic part is positioned and installed in the first positioning groove of the optical plate 4, and meanwhile, the first sealing gasket 32 of the sealing ring 3 is placed between the optical plate 4 and the terminal 1, so that the clamping portion 51 and the first sealing gasket 32 are clamped between the terminal 1 and the optical plate 4.
S3, the positioning part 62 of the second plastic part is positioned and installed in the second positioning groove of the optical plate 4, and the second sealing gasket 33 is arranged between the optical plate 4 and the pole column 2, so that the clamping part 61 and the second sealing gasket 33 are clamped between the optical plate 4 and the pole column 2.
And S4, welding the pole 2 and the terminal 1, so that the first sealing gasket 32 is tightly clamped between the terminal 1 and the light plate 4 in a sealing manner, and the second sealing gasket 33 is tightly clamped between the light plate 4 and the pole 2.
This embodiment still provides an electricity core, and this electricity core includes the apron subassembly that aforementioned technical scheme provided, because this electricity core includes the apron subassembly that above-mentioned technical scheme provided, this electricity core has the advantage that the leakproofness is good and the security is high.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (9)

1. A cover plate assembly, comprising:
the terminal (1), the said terminal (1) is connected to the pole (2) of the electric core;
the sealing ring (3) comprises a sleeving part (31), a first sealing gasket (32) and a second sealing gasket (33), the sleeving part (31) is configured to be cylindrical, the sleeving part (31) is sleeved on the pole (2), the first sealing gasket (32) and the second sealing gasket (33) are wound on the peripheral surface of the sleeving part (31), and the first sealing gasket (32) and the second sealing gasket (33) are arranged in parallel at intervals;
the light plate (4), it establishes the hole to be equipped with the cover on light plate (4), light plate (4) pass through the hole cover is established to the cover is located on the portion (31) is established to the cover, first sealed pad (32) are sealed to be pressed from both sides and are located light plate (4) with between terminal (1), second sealed pad (33) are sealed to be pressed from both sides and are located light plate (4) with between utmost point post (2).
2. The cover assembly according to claim 1, further comprising a first plastic member, wherein the first plastic member comprises a clamping portion (51), the clamping portion (51) is annular, and the clamping portion (51) is sleeved on the first sealing gasket (32) and clamped between the terminal (1) and the optical plate (4).
3. The cover plate assembly according to claim 2, wherein the first plastic member further comprises a winding portion (52), the winding portion (52) is cylindrical, the clamping portion (51) is connected to one end of the winding portion (52), and the winding portion (52) is sleeved on the outer circumferential surface of the terminal (1).
4. The cover plate assembly according to claim 2, characterized in that the side of the light plate (4) adjacent to the clamping portion (51) is provided with a first positioning groove, and the clamping portion (51) is arranged in the first positioning groove.
5. The cover assembly according to claim 1, further comprising a second plastic member, wherein the second plastic member comprises a clamping portion (61), and the clamping portion (61) is sleeved outside the second sealing gasket (33) and clamped between the optical plate (4) and the pole (2).
6. The cover plate assembly according to claim 5, wherein the clamping portion (61) is provided with a positioning portion (62), a side surface of the optical plate (4) close to the clamping portion (61) is provided with a second positioning groove, and the positioning portion (62) is arranged in the second positioning groove.
7. The cover assembly according to claim 1, characterized in that the side of the terminal (1) close to the first gasket (32) is provided with a first mounting groove in which a portion of the first gasket (32) is placed.
8. The cover plate assembly according to claim 1, characterized in that a second mounting groove is provided on the side of the pole (2) close to the second gasket (33), in which second mounting groove a portion of the second gasket (33) is placed.
9. A battery cell comprising the cover plate assembly of any of claims 1-8.
CN202120946580.9U 2021-05-06 2021-05-06 Apron subassembly and electricity core Active CN214898630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120946580.9U CN214898630U (en) 2021-05-06 2021-05-06 Apron subassembly and electricity core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120946580.9U CN214898630U (en) 2021-05-06 2021-05-06 Apron subassembly and electricity core

Publications (1)

Publication Number Publication Date
CN214898630U true CN214898630U (en) 2021-11-26

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ID=78945918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120946580.9U Active CN214898630U (en) 2021-05-06 2021-05-06 Apron subassembly and electricity core

Country Status (1)

Country Link
CN (1) CN214898630U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116826262A (en) * 2023-08-29 2023-09-29 深圳海辰储能控制技术有限公司 End cover assembly, energy storage device and electric equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116826262A (en) * 2023-08-29 2023-09-29 深圳海辰储能控制技术有限公司 End cover assembly, energy storage device and electric equipment
CN116826262B (en) * 2023-08-29 2023-12-26 深圳海辰储能控制技术有限公司 End cover assembly, energy storage device and electric equipment

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