CN219329324U - Cylindrical battery with integrally formed sealing top cover - Google Patents
Cylindrical battery with integrally formed sealing top cover Download PDFInfo
- Publication number
- CN219329324U CN219329324U CN202223269264.6U CN202223269264U CN219329324U CN 219329324 U CN219329324 U CN 219329324U CN 202223269264 U CN202223269264 U CN 202223269264U CN 219329324 U CN219329324 U CN 219329324U
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- Prior art keywords
- top cover
- integrally formed
- connection structure
- cylindrical battery
- connection
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- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 239000000565 sealant Substances 0.000 claims description 17
- 239000003792 electrolyte Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000001746 injection moulding Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a cylindrical battery with an integrally formed sealed top cover, which comprises a top cover, wherein the top cover is connected with a pole, the pole is in sealing connection with the top cover, a first connecting structure is arranged on the top cover, the top cover and the first connecting structure are integrally formed, the top cover is connected with a shell, a second connecting structure is arranged on the shell, and the first connecting structure and the second connecting structure are mutually matched, so that the top cover and the shell are in sealing connection. Through with top cap and first connection structure integrated into one piece, make top cap and first connection structure simultaneously in the manufacturing process, top cap and first connection structure need not connect through other modes for whole manufacturing process is more convenient. Simultaneously, the top cap passes through first connection structure and casing sealing connection, and the structure of cylinder battery is simpler, can also reduce the time of assembly. Compared with the prior art, the utility model discloses a cylindrical battery with an integrally formed sealing top cover, which can realize the purposes of convenient manufacture and easy assembly.
Description
Technical Field
The utility model relates to the technical field of cylindrical batteries, in particular to a cylindrical battery with an integrally formed sealing top cover.
Background
The cylindrical battery is a battery with high capacity, long cycle life and wide use environment temperature, and is widely applied to the fields of daily life and new energy.
In the prior art, the top cover and the shell of the cylindrical battery often need to be in sealing connection through other sealing components, and the structures of the sealing components and the top cover are often designed to be quite complex, so that the cylindrical battery is difficult to manufacture, and meanwhile, the assembly process is complicated.
Disclosure of Invention
Based on this, it is necessary to provide a cylindrical battery with an integrally formed seal top cover for the purpose of easy manufacture and easy assembly.
To this end, in one embodiment, a cylindrical battery with an integrally formed sealing top cover is provided, including the top cover, the top cover is connected with the utmost point post, utmost point post with top cover sealing connection, be equipped with first connection structure on the top cover, the top cover with first connection structure integrated into one piece, the top cover is connected with the casing, be equipped with second connection structure on the casing, first connection structure with mutually support between the second connection structure, thereby make top cover with casing sealing connection.
As a further alternative to the cylindrical battery with an integrally formed seal cap of the present utility model, a sealant is added at the first connection structure when the cap is connected to the case, thereby enhancing sealing performance.
As a further alternative to the cylindrical battery with an integrally formed seal cap of the present utility model, the sealant is an electrolyte resistant sealant.
As a further alternative of the cylindrical battery with an integrally formed seal top cover of the present utility model, the first connection structure and the second connection structure are both connection structures protruding and/or recessed on the top cover, and the first connection structure and the second connection structure are engaged with each other when the top cover is connected with the case.
As a further alternative of the cylindrical battery with the integrally formed seal top cover of the present utility model, one of the first connection structure and the second connection structure is an annular groove, and the other is an annular protrusion, and the annular groove and the annular protrusion are mutually engaged.
As a further alternative to the cylindrical battery of the utility model having an integrally formed sealing cap, the first connection structure is provided at an edge position of the cap.
As a further alternative to the cylindrical battery of the utility model having an integrally formed seal cap, the terminal post is sealingly connected to the cap by a seal assembly.
As a further alternative to the cylindrical battery with an integrally formed seal cap of the present utility model, the seal assembly comprises an upper plastic and a lower plastic, the upper plastic and the lower plastic being located above and below the cap, respectively, the terminal post being sealingly connected to the cap by the upper plastic and the upper plastic.
As a further alternative to the cylindrical battery with an integrally formed seal top cap of the present utility model, the upper plastic is an injection molded part.
As a further alternative of the cylindrical battery with an integrally formed seal top cover of the present utility model, the injection molded part has a first protrusion and a second protrusion thereon, the first protrusion being snapped onto the pole, the second protrusion being snapped under the top cover.
The implementation of the embodiment of the utility model has the following beneficial effects:
the utility model discloses a cylindrical battery with an integrally formed sealed top cover, which comprises a top cover, wherein the top cover is connected with a pole, the pole is in sealing connection with the top cover, a first connecting structure is arranged on the top cover, the top cover and the first connecting structure are integrally formed, the top cover is connected with a shell, a second connecting structure is arranged on the shell, and the first connecting structure and the second connecting structure are mutually matched, so that the top cover and the shell are in sealing connection. Through with top cap and first connection structure integrated into one piece, make top cap and first connection structure simultaneously in the manufacturing process, top cap and first connection structure need not connect through other modes for whole manufacturing process is more convenient. Simultaneously, the top cap passes through first connection structure and casing sealing connection, and the structure of cylinder battery is simpler, can also reduce the time of assembly. Compared with the prior art, the utility model discloses a cylindrical battery with an integrally formed sealing top cover, which can realize the purposes of convenient manufacture and easy assembly.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
fig. 1 shows a cross-sectional view of a cylindrical cell with an integrally formed seal cap according to an embodiment of the present utility model.
Fig. 2 shows an enlarged view of region a of the cylindrical cell of fig. 1 with an integrally formed seal cap.
Fig. 3 shows an enlarged view of region B of a cylindrical cell with an integrally formed seal cap as shown in fig. 1.
Reference numerals:
10-top cover; 20-pole; 30-a first connection structure; 40-a housing; 50-a second connection structure; 60-a seal assembly; 62-coating plastic; 64-lower plastic; 66-first protrusions; 68-second protrusions.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the members in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is 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 addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
In the embodiment of the utility model, please refer to fig. 1 to 3, the utility model discloses a cylindrical battery with an integrally formed sealed top cover 10, which comprises a top cover 10, wherein the top cover 10 is connected with a pole 20, the pole 20 is in sealing connection with the top cover 10, a first connecting structure 30 is arranged on the top cover 10, the top cover 10 and the first connecting structure 30 are integrally formed, the top cover 10 is connected with a shell 40, a second connecting structure 50 is arranged on the shell 40, and the first connecting structure 30 and the second connecting structure 50 are mutually matched, so that the top cover 10 and the shell 40 are in sealing connection.
By integrally molding the top cover 10 and the first connection structure 30, the top cover 10 and the first connection structure 30 are manufactured at the same time in the manufacturing process, and the top cover 10 and the first connection structure 30 do not need to be connected in other manners, so that the whole manufacturing process is more convenient. Meanwhile, the top cover 10 is hermetically connected with the housing 40 through the first connection structure 30, and the structure of the cylindrical battery is simpler and the assembly time can be reduced. Compared with the prior art, the utility model discloses a cylindrical battery with an integrally formed sealing top cover 10, which can achieve the purposes of convenient manufacture and easy assembly.
Wherein, through with top cap 10 and first connection structure 30 integrated into one piece, can make the preparation time of top cap 10 and first connection structure 30 shorten greatly, improve production efficiency, integrated into one piece's part sealing performance is more outstanding simultaneously, and its life is higher, is difficult for receiving external environment influence and takes place to damage.
Specifically, the housing 40 is used for accommodating a power generation substance, the pole 20 is used for conducting connection, and the first connection structure 30 has sealing performance, so that the power generation substance can be sealed when the top cover 10 is connected with the housing 40, and the pole 20 is also in sealing connection with the top cover 10, so that the power generation substance cannot leak from the pole 20 of the top cover 10.
In addition, the first connection structure 30 and the second connection structure 50 can be matched with each other, so that a connection structure with more tight matching is formed, and the sealing performance can be greatly improved. The second connecting structure 50 is provided on the housing 40, and the second connecting structure 50 also has sealing performance, and preferably, the second connecting structure 50 and the housing 40 are integrally formed, and the purpose of the second connecting structure 50 is to enable a more stable connecting structure between the top cover 10 and the housing 40.
In one embodiment, a sealant is added at the first connection structure 30 when the top cover 10 is connected with the housing 40, thereby enhancing sealing performance.
Wherein, in order to make the sealing performance when top cap 10 and casing 40 are connected more outstanding, add the sealant in first connection structure 30 department, can make between top cap 10 and the casing 40 can be inseparable combine together through the sealant, the condition that relative rotation and drop can not take place for the structure is more stable, and sealing performance is better.
It is easily conceivable that the sealant can be added before the top cover is attached or after the top cover is attached.
In a specific embodiment, the sealant is an electrolyte resistant sealant.
Preferably, the sealant is electrolyte-resistant sealant, and the electrolyte-resistant sealant is not easy to corrode by electrolyte, and meanwhile, after being soaked by the electrolyte, the electrolyte sealant can still keep good adhesiveness, and the phenomenon of viscosity reduction does not occur. The use of the electrolyte-resistant sealant can ensure that electrolyte inside the case 40 does not leak from the junction, thereby causing a safety accident, and can also increase the service life of the cylindrical battery.
It should be apparent that in other embodiments, other means of reinforcing and sealing between the top cover 10 and the housing 40 may be used, such as welding.
In one embodiment, referring to fig. 2, the first connection structure 30 and the second connection structure 50 are protruding and/or recessed connection structures on the top cover 10, and the first connection structure 30 and the second connection structure 50 are engaged with each other when the top cover 10 is connected to the housing 40.
Specifically, the first connection structure 30 and the second connection structure 50 are both convex and/or concave connection structures, and the first connection structure 30 and the second connection structure 50 can be mutually embedded together during sealing, so that the connection between the first connection structure and the second connection structure is more compact, which is a preferred embodiment.
In a specific embodiment, referring to fig. 2, one of the first connection structure 30 and the second connection structure 50 is an annular groove, and the other is an annular protrusion, and the annular groove and the annular protrusion are engaged with each other.
One of the first connecting structure 30 and the second connecting structure 50 is an annular groove, the other is an annular protrusion, and the annular structure is more beneficial to sealing between the top cover 10 and the housing 40, and is easier to manufacture.
In one embodiment, referring to fig. 1 and 2, the first connection structure 30 is disposed at an edge position of the top cover 10.
Wherein the first connection structure 30 is disposed at an edge position of the top cover 10 so that the top cover 10 is more easily mounted on the housing 40, it is obvious that in other embodiments, the first connection structure 30 may be disposed at other positions on the top cover 10 according to different shapes or structures of the top cover 10 and the housing 40.
In one embodiment, referring to fig. 1 and 3, the pole 20 is sealingly connected to the top cover 10 by a seal assembly 60.
Specifically, the pole 20 is connected to the top cover 10 through the sealing assembly 60 in a sealing manner, so that the connection has good sealing performance.
In one embodiment, referring to fig. 1 and 3, the seal assembly 60 includes an upper plastic 62 and a lower plastic 64, the upper plastic 62 and the lower plastic 64 are respectively located above and below the top cover 10, and the pole 20 is sealingly connected to the top cover 10 by the upper plastic 62 and the upper plastic 62.
The sealing assembly 60 includes an upper plastic 62 and a lower plastic 64, wherein the upper plastic 62 and the lower plastic 64 are respectively located above and below the top cover 10, sandwiching the top cover 10, and the upper plastic 62 and the lower plastic 64 are in sealing connection with the pole 20.
In one particular embodiment, the upper plastic 62 is an injection molded part.
It should be noted that, in order to obtain a better fastening effect, the upper plastic 62 is an injection molding member, and the upper plastic 62 may be manufactured into some special shapes by an injection molding method, and if the injection molding method is not used, the upper plastic 62 with such a shape may not be normally installed on the top cover 10.
In a specific embodiment, referring to fig. 1 and 3, the injection molding member has a first protruding portion 66 and a second protruding portion 68, where the first protruding portion 66 is clamped to the pole 20, and the second protruding portion 68 is clamped under the top cover 10.
Specifically, the injection molding piece is provided with a first protruding portion 66 and a second protruding portion 68, the first protruding portion 66 is clamped on the pole 20 and used for limiting the pole 20 and limiting the top cover 10, and the second protruding portion 68 is clamped below the top cover 10 and used for limiting the top cover, and meanwhile the bottom of the pole 20 can be pressed to limit the pole 20.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a cylinder battery with integrated into one piece seals top cap, its characterized in that, includes the top cap, the top cap is connected with the utmost point post, the utmost point post with top cap sealing connection, be equipped with first connection structure on the top cap, the top cap with first connection structure integrated into one piece, the top cap is connected with the casing, be equipped with second connection structure on the casing, first connection structure with mutually support between the second connection structure, thereby make top cap with casing sealing connection.
2. The cylindrical battery with an integrally formed seal top cover according to claim 1, wherein a sealant is added at the first connection structure when the top cover is connected with the case, thereby enhancing sealing performance.
3. The cylindrical battery with an integrally formed seal top cover of claim 2, wherein said sealant is an electrolyte resistant sealant.
4. The cylindrical battery with an integrally formed sealed top cover according to claim 1, wherein said first and second connection structures are each a connection structure protruding and/or recessed on said top cover, said first and second connection structures being snapped together when said top cover is connected to said housing.
5. The cylindrical battery with an integrally formed seal top cap of claim 2, wherein one of said first and second connection structures is an annular groove and the other is an annular boss, said annular groove and said annular boss being engaged with each other.
6. The cylindrical battery with an integrally formed seal top cover of claim 1, wherein said first connection structure is disposed at an edge location of said top cover.
7. The cylindrical battery with integrally formed seal top cover according to any one of claims 1 to 6, wherein the terminal post is sealingly connected to the top cover by a sealing assembly.
8. The cylindrical battery with an integrally formed seal top cover of claim 7, wherein said seal assembly comprises an upper plastic and a lower plastic, said upper plastic and said lower plastic being located above and below said top cover, respectively, said terminal post being sealingly connected to said top cover by said upper plastic and said upper plastic.
9. The cylindrical battery with integrally formed seal top cover of claim 8, wherein said upper plastic is an injection molded part.
10. The cylindrical battery with integrally formed seal top cover of claim 9, wherein said injection molded part has a first projection and a second projection thereon, said first projection being snapped onto said post and said second projection being snapped under said top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269264.6U CN219329324U (en) | 2022-12-06 | 2022-12-06 | Cylindrical battery with integrally formed sealing top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269264.6U CN219329324U (en) | 2022-12-06 | 2022-12-06 | Cylindrical battery with integrally formed sealing top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219329324U true CN219329324U (en) | 2023-07-11 |
Family
ID=87062782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223269264.6U Active CN219329324U (en) | 2022-12-06 | 2022-12-06 | Cylindrical battery with integrally formed sealing top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219329324U (en) |
-
2022
- 2022-12-06 CN CN202223269264.6U patent/CN219329324U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 399 Minghu Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Ruidefeng Precision Technology Co.,Ltd. Country or region after: China Address before: 399 Minghu Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: Changzhou Redford Precision Technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |