CN207183325U - Cylindrical battery - Google Patents
Cylindrical battery Download PDFInfo
- Publication number
- CN207183325U CN207183325U CN201720702196.8U CN201720702196U CN207183325U CN 207183325 U CN207183325 U CN 207183325U CN 201720702196 U CN201720702196 U CN 201720702196U CN 207183325 U CN207183325 U CN 207183325U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- limit plane
- housing
- cylindrical battery
- negative terminal
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000004880 explosion Methods 0.000 claims description 17
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process 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
- 239000000047 product Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model proposes a kind of cylindrical battery.Existing this cylindrical battery, has the disadvantages that：Positive terminal is split-type structural with cover plate, and positive terminal assembles on the cover board, and its air-tightness is poor, and cost is relatively too high.The utility model proposes a kind of cylindrical battery to include：Housing, it is configured to hollow cylindrical-shaped structure, and the open setting at least side of its axial direction；Cover plate, it covers the open-mouth for being located at housing and fixed with housing；Negative terminal, it is assembled with cover plate in a manner of mutually insulated；Characterized in that, also have：Positive terminal, it is integrally formed on described cover plate.The utility model is simple in construction, reasonable in design；It is simple in construction, it is reasonable in design；By the way that positive terminal and cover plate are integrally formed, make positive terminal without later stage assembling on the cover board, simpler in process, due to that need not be assembled, both can improve overall sealing without sealing problem, lower in cost in addition, this integral structure.
Description
Technical field
A kind of cylindrical battery is the utility model is related to, belongs to battery manufacturing field.
Background technology
Battery of the prior art has cylindrical battery and rectangular cell by Shape Classification.Cylinder electricity in the prior art
Pond includes housing, cover plate, positive terminal and negative terminal, and housing is cylindrical-shaped structure, and has at least one opening in its axial direction
Side, cover plate lid are located at the open-position-side of housing, and positive terminal and negative terminal are respectively provided with the cover board.Existing this cylindrical battery,
Have the disadvantages that：Positive terminal is split-type structural with cover plate, and positive terminal assembles on the cover board, the mode of this assembling, its gas
Close property is poor, and cost is relatively too high, is unfavorable for market competition.
Utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and provides a kind of structure design and close
Reason, the cylindrical battery for the potentiometric response that sectional area reduces.
The technical scheme in the invention for solving the above technical problem is：The cylindrical battery, including：Housing, it is matched somebody with somebody
It is set to hollow cylindrical-shaped structure, and the open setting at least side of its axial direction；Cover plate, its cover be located at housing open-mouth and with
Housing is fixed；Negative terminal, it is assembled with cover plate in a manner of mutually insulated；Characterized in that, also have：Positive terminal, its
It is integrally formed on described cover plate.
The utility model also has seal, and the side of the negative terminal in its axial direction has lower limit plane, and another
Side has a upper limit plane, and upper limit plane is located at the not homonymy of cover plate with lower limit plane respectively, seal configuration in upper limit plane and
Between lower limit plane and there is Part I, Part II and Part III, Part I is matched somebody with somebody in the radial direction negative terminal
To put between negative terminal and cover plate, Part II is configured between upper limit plane and cover plate on the axial direction of negative terminal, the
Three parts are configured between lower limit plane and cover plate on the axial direction of negative terminal.
The utility model also has felt pad, and felt pad is set on negative terminal and is pressed on seal.
Upper limit plane riveting described in the utility model is formed and is pressed on felt pad, so that felt pad compresses sealing ring,
Upper limit plane is obliquely installed on the axial direction of negative terminal, and upper limit plane is gradually remote on the direction radially outward of negative terminal
From described cover plate.
There is wall portion on housing described in the utility model, set in wall portion along the axial direction of housing at least one set of explosion-proof
Groove.
The length of anti-explosion groove described in the utility model is more than half of the length of housing.
Anti-explosion groove described in the utility model is in inner concavity with respect to the wall portion surface of housing.
Anti-explosion groove described in the utility model is provided with two groups.
The utility model compared with prior art, has advantages below and effect：It is simple in construction, it is reasonable in design；Passing through will
Positive terminal is integrally formed with cover plate, positive terminal is assembled on the cover board without the later stage, simpler in process, due to without carrying out
Assembling, both can improve overall sealing without sealing problem, lower in cost in addition, this integral structure.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the main structure diagram of the cylindrical battery in embodiment.
Fig. 2 is the cross section structure diagram of the cylindrical battery in embodiment.
Fig. 3 is the enlarged drawing at I in Fig. 2.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, and following examples are pair
It is of the present utility model explanation and the utility model is not limited to following examples.Upper and lower, left and right in following examples,
The orientation such as forward and backward term, only it is using the relative concept in accompanying drawing or the normal operating condition of product as reference, without that should recognize
To be restrictive.
Embodiment 1
Referring to Fig. 1 to Fig. 3, the cylindrical battery of the present embodiment includes housing 1, cover plate 2, negative terminal 3, positive terminal 4, sealing
Part 5 and felt pad 6.
Housing 1 in the present embodiment, it is configured to hollow cylindrical-shaped structure, and at least side opening of its axial direction is set
Put, housing 1, which can be that side is open, to be set, or both sides are open to be set, and when both positive and negative polarity is arranged on not homonymy, then needs to set
Two groups of cover plates are put, thus housing 1 is arranged to both sides opening, when both positive and negative polarity is arranged on the same side, then only need one group of cover plate i.e.
Can, the now only side opening of housing 1.
Cover plate 2 in the present embodiment, it covers the open-mouth for being located at housing 1 and fixed with housing 1, and cover plate 2 uses with housing 1
Be to be welded and fixed.Negative terminal 3 in the present embodiment, it is assembled with cover plate 2 in a manner of mutually insulated, i.e. negative terminal 3
It is not turned between cover plate 2, is assembled by way of importing other insulating parts, realizes the insulation of negative terminal 3 and cover plate 2
Assembling, the structure of insulating part can need according to practical application and set different structure, and it is specific with negative terminal 3 and cover plate 2
Structure and change accordingly.
Positive terminal 4 in the present embodiment, it is integrally formed on described cover plate 2, i.e., the one of positive terminal 4 and cover plate 2 into
Type, without subsequently being assembled.For cover plate 2 in the present embodiment with positive terminal 3 by injection moulding integrated molding, used is PFA
Material, PFA materials are a kind of plastic materials of the prior art, can be isolation material, can also be led by being added in resin
Isoelectric substance and form conductive material.PFA materials in the present embodiment are conductive.
The present embodiment makes positive terminal 4 be assemblied in without the later stage on cover plate 2 by the way that positive terminal 4 and cover plate 2 are integrally formed,
Simpler in process, due to that need not be assembled, both can improve overall sealing, in addition, this without sealing problem
Integral structure is lower in cost.
The side of negative terminal 3 in its axial direction in the present embodiment has lower limit plane 31, and opposite side has upper limit
Face 32, upper limit plane 32 are located at the not homonymy of cover plate 2 with lower limit plane 31 respectively, and seal 5 is configured in upper limit plane 32 with
Between confined planes 31 and there is Part I 51, Part II 52 and Part III 3, seal 5 is cyclic structure and is set in
On negative terminal 3, Part I 51 negative terminal 3 configuration in the radial direction between negative terminal 3 and cover plate 2, Part II 52
Configuration is between upper limit plane 32 and cover plate 2 on the axial direction of negative terminal 3, axial direction of the Part III 3 in negative terminal 3
Upper configuration is between lower limit plane 31 and cover plate 2.The setting of seal 5, when being assembled for negative terminal 3, it is ensured that negative terminal 3 and lid
The insulation and sealing of plate.
Felt pad 6 in the present embodiment is set on negative terminal 3 and is pressed on seal 5.By compressing seal 5,
It is further ensured that sealing.
The riveting of upper limit plane 32 in the present embodiment is formed and is pressed on felt pad 6, so that felt pad 6 compresses sealing
Circle, upper limit plane 32 are obliquely installed on the axial direction of negative terminal 3, and upper limit plane 32 is in the side radially outward of negative terminal 3
Described cover plate 2 is gradually distance from upwards.Riveting in the present embodiment is prior art, and here is omitted.Upper limit plane 32
This set, the effect of compression felt pad 6 is more preferable, is further ensured that air-tightness.
There is wall portion 11 on the housing 1 of the present embodiment, set in wall portion 11 along the axial direction of housing 1 at least one set of anti-
Quick-fried groove 12.Preferably, the anti-explosion groove 12 in the present embodiment is arranged to two groups.The setting of anti-explosion groove 12, is prevented in cell internal pressure
Rise and explode, when cell internal pressure rises, opened and pressure release at anti-explosion groove 12, prevent battery explosion.
The length of anti-explosion groove 12 in the present embodiment is more than half of the length of housing 1.The length of anti-explosion groove 12 is substantially
The half of the length of housing 1 is accounted between 2/3rds.
The surface of wall portion 11 of the relative housing 1 of anti-explosion groove 12 in the present embodiment is in inner concavity.It is housing 1 that anti-explosion groove 12 is actual
Wall portion 11 the relatively thin part of wall thickness, when cell internal pressure rises, wall thickness thinner part is first opened.
Preferably, the anti-explosion groove 12 in the present embodiment is provided with two groups.During ensuring that cell internal pressure rises, at least
One group of anti-explosion groove 12 is opened, and is further ensured that security.
Above content described in this specification is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or using class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
Enclose, the scope of protection of the utility model all should be belonged to.
Claims (8)
1. a kind of cylindrical battery, including：
Housing, it is configured to hollow cylindrical-shaped structure, and the open setting at least side of its axial direction；
Cover plate, it covers the open-mouth for being located at housing and fixed with housing；
Negative terminal, it is assembled with cover plate in a manner of mutually insulated；Characterized in that, also have：
Positive terminal, it is integrally formed on described cover plate.
2. cylindrical battery according to claim 1, it is characterised in that：Also there is seal, the negative terminal is in its axle
Upward side has lower limit plane, and opposite side has upper limit plane, and upper limit plane is with lower limit plane respectively positioned at cover plate
Not homonymy, seal configuration is between upper limit plane and lower limit plane and has Part I, Part II and Part III, the
A part of configuration in the radial direction in negative terminal is between negative terminal and cover plate, and Part II is on the axial direction of negative terminal
Configuration between upper limit plane and cover plate, Part III configure on the axial direction of negative terminal lower limit plane and cover plate it
Between.
3. cylindrical battery according to claim 2, it is characterised in that：Also there is felt pad, felt pad is set in negative pole
On post and it is pressed on seal.
4. cylindrical battery according to claim 3, it is characterised in that：The upper limit plane riveting is formed and is pressed on absolutely
On edge pad, so that felt pad compresses sealing ring, upper limit plane is obliquely installed on the axial direction of negative terminal, and upper limit plane is negative
Described cover plate is gradually distance from the direction radially outward of pole.
5. cylindrical battery according to claim 1, it is characterised in that：There is wall portion, along shell in wall portion on the housing
At least one set of anti-explosion groove is set on the axial direction of body.
6. cylindrical battery according to claim 5, it is characterised in that：The length of the anti-explosion groove is the length of housing
More than half.
7. cylindrical battery according to claim 5, it is characterised in that：The anti-explosion groove is in respect to the wall portion surface of housing
Inner concavity.
8. cylindrical battery according to claim 5, it is characterised in that：The anti-explosion groove is provided with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720702196.8U CN207183325U (en) | 2017-06-16 | 2017-06-16 | Cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720702196.8U CN207183325U (en) | 2017-06-16 | 2017-06-16 | Cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183325U true CN207183325U (en) | 2018-04-03 |
Family
ID=61734906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720702196.8U Active CN207183325U (en) | 2017-06-16 | 2017-06-16 | Cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594594A (en) * | 2021-07-30 | 2021-11-02 | 蜻蜓实验室(深圳)有限公司 | Split type apron and group battery |
-
2017
- 2017-06-16 CN CN201720702196.8U patent/CN207183325U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594594A (en) * | 2021-07-30 | 2021-11-02 | 蜻蜓实验室(深圳)有限公司 | Split type apron and group battery |
| CN113594594B (en) * | 2021-07-30 | 2023-10-24 | 蜻蜓实验室(深圳)有限公司 | Split cover plate and battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylindrical battery Effective date of registration: 20210929 Granted publication date: 20180403 Pledgee: Zhejiang Wo Cheng rural commercial bank Limited by Share Ltd. Xiuzhou branch Pledgor: ZHEJIANG ZZ PRECISION TECHNOLOGY Co.,Ltd. Registration number: Y2021330001819 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231205 Granted publication date: 20180403 Pledgee: Zhejiang Wo Cheng rural commercial bank Limited by Share Ltd. Xiuzhou branch Pledgor: ZHEJIANG ZZ PRECISION TECHNOLOGY CO.,LTD. Registration number: Y2021330001819 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 86 Kechuang Road, Wuzhen Town, Tongxiang City, Jiaxing City, Zhejiang Province, 314501 Patentee after: Zhejiang Zhongze Precision Technology Co.,Ltd. Country or region after: China Address before: 314000 222, room 2, building 2, Jiaxing Photovoltaic Science Park, 1288 Xiuzhou Road, Xiuzhou, Zhejiang. Patentee before: ZHEJIANG ZZ PRECISION TECHNOLOGY CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |