CN207199722U - A kind of lithium ion battery explosion-proof valve with reinforcement - Google Patents

A kind of lithium ion battery explosion-proof valve with reinforcement Download PDF

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Publication number
CN207199722U
CN207199722U CN201721087646.3U CN201721087646U CN207199722U CN 207199722 U CN207199722 U CN 207199722U CN 201721087646 U CN201721087646 U CN 201721087646U CN 207199722 U CN207199722 U CN 207199722U
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CN
China
Prior art keywords
reinforcement
explosion
proof
proof valve
bonnet
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.)
Expired - Fee Related
Application number
CN201721087646.3U
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Chinese (zh)
Inventor
邓平华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Amperex Technology Ltd
Original Assignee
Suzhou Amperex Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Amperex Technology Ltd filed Critical Suzhou Amperex Technology Ltd
Priority to CN201721087646.3U priority Critical patent/CN207199722U/en
Application granted granted Critical
Publication of CN207199722U publication Critical patent/CN207199722U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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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  • Gas Exhaust Devices For Batteries (AREA)

Abstract

The utility model discloses a kind of lithium ion battery explosion-proof valve with reinforcement, including explosion-proof valve circle, explosion-proof bonnet and reinforcement, the reinforcement includes the first reinforcement and the second reinforcement, explosion-proof bonnet is fixedly connected with the inside of the explosion-proof valve circle, the explosion-proof valve, which covers, to be provided with and explosion-proof valve loop-shaped identical annular groove, the centre of the explosion-proof bonnet is provided with the first reinforcement and the second reinforcement, first reinforcement and the second reinforcement are fixedly connected with the top of explosion-proof bonnet, and the opening of the first reinforcement and the second reinforcement is towards opposite.This carries the lithium ion battery explosion-proof valve of reinforcement, first reinforcement and the second reinforcement are extrusion or drawing and forming from explosion-proof bonnet, it can prevent from deforming explosion-proof valve in transportation, rupture, the excessive caused tear of explosion-proof valve amplitude in breath test experiment can also be avoided, explosion-proof value decline is excessive, prevents explosion-proof valve deformation in production process, the risk of rupture, lift the service life of explosion-proof valve.

Description

A kind of lithium ion battery explosion-proof valve with reinforcement
Technical field
Lithium ion battery explosion-proof valve technology field is the utility model is related to, especially a kind of lithium-ion electric with reinforcement Pond explosion-proof valve.
Background technology
Simplest lithium ion battery top cover includes:Coping plate, positive terminal, negative terminal, with modeling between negative terminal and coping plate Material insulate, and has a burst disk (Vent) among coping plate, and burst disk is impressing very shallow together, and its inferior position is:
A transportations easily cause to damage to explosion-proof valve, deformation.
B easily ruptures explosion-proof valve in breath test.
Employee, which touches, in c production processes easily there is explosion-proof valve rupture, deformation.
Utility model content
The purpose of this utility model is to provide a kind of lithium ion battery explosion-proof valve with reinforcement, and possessing to prevent Explosion-proof valve failure by rupture improves the advantages of service life, to solve the problems, such as in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme:
A kind of lithium ion battery explosion-proof valve with reinforcement, including explosion-proof valve circle, explosion-proof bonnet and reinforcement, it is described to add Strengthening tendons includes the first reinforcement and the second reinforcement, and explosion-proof bonnet is fixedly connected with the inside of the explosion-proof valve circle, described explosion-proof Be provided with bonnet with explosion-proof valve loop-shaped identical annular groove, the centre of the explosion-proof bonnet be provided with the first reinforcement and Second reinforcement, first reinforcement and the second reinforcement are fixedly connected with the top of explosion-proof bonnet, the first reinforcement and The opening of second reinforcement is towards conversely.
As further program of the utility model:The explosion-proof valve circle is set in racetrack.
As further program of the utility model:First reinforcement and the second reinforcement semicircular in shape shape.
As further program of the utility model:The cross section of first reinforcement and the second reinforcement is in arch form Structure, the width range on the top and bottom of the first reinforcement and the second reinforcement is 1-4 millimeters, is highly 2.0 millimeters.
As further program of the utility model:The spacing of first reinforcement and the second reinforcement is not less than 0.5 Millimeter.
Compared with prior art, the beneficial effects of the utility model are as follows:
This carries the lithium ion battery explosion-proof valve of reinforcement, and the first reinforcement and the second reinforcement are to be squeezed from explosion-proof bonnet Go out or drawing and forming, can ensure the first reinforcement and the second reinforcement plus the size of the first reinforcement and the second reinforcement Stability in use, the setting of the first reinforcement and the second reinforcement can prevent from deforming explosion-proof valve in transportation, rupture, also may be used To avoid the excessive caused tear of explosion-proof valve amplitude during breath test is tested, explosion-proof value decline is excessive, prevents from preventing in production process Quick-fried valve deforms, the risk of rupture, lifts the service life of explosion-proof valve.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model;
Fig. 2 is sectional view along AA of the present utility model;
Fig. 3 is BB of the present utility model to sectional view;
Fig. 4 is enlarged drawing at A-A of the present utility model;
Fig. 5 is enlarged drawing at B-B of the present utility model.
In figure:1 explosion-proof valve circle, 2 explosion-proof bonnets, 21 annular grooves, 3 first reinforcements, 4 second reinforcements.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-5, in the utility model embodiment,
A kind of lithium ion battery explosion-proof valve with reinforcement, including explosion-proof valve circle 1, explosion-proof bonnet 2, the first reinforcement 3 With the second reinforcement 4, explosion-proof valve circle 1 is set in racetrack, and the inner side of explosion-proof valve circle 1 is fixedly connected with explosion-proof bonnet 2, explosion-proof valve Be provided with lid 2 with the explosion-proof shape identical annular groove 21 of valve circle 1, relatively thin at annular groove 21, easily explosion, explosion-proof here The centre of bonnet 2 is provided with the first reinforcement 3 and the second reinforcement 4, and two reinforcements make stability more preferable, and the of semicircular in shape One reinforcement 3 and the second reinforcement 4 are fixedly connected with is in the top of explosion-proof bonnet 2, the first reinforcement 3 and the second reinforcement 4 The drawing and forming from explosion-proof bonnet 2, can also the extrusion molding from explosion-proof bonnet 2, the first reinforcement 3 of guarantee and the second reinforcement 4 with the connective stability of battery anti-explosion valve, the opening of the first reinforcement 3 and the second reinforcement 4 is towards on the contrary, the first reinforcement 3 Cross section with the second reinforcement 4 is in arch form structure, and the top minimum widith of the first reinforcement 3 and the second reinforcement 4 is 1 milli Rice, bottom Breadth Maximum are 4 millimeters, are highly 2.0 millimeters, and the spacing of the first reinforcement 3 and the second reinforcement 4 is not less than 0.5 These sizes of millimeter, the first reinforcement 3 and the second reinforcement 4 can ensure the use of the first reinforcement 3 and the second reinforcement 4 Stability, when inside battery overcharges the pressure for producing calorie product explosion-proof valve, explosion-proof valve will be broken automatically at annular groove 21 To split to prevent battery explosion, the setting of the first reinforcement 3 and the second reinforcement 4 can prevent from deforming explosion-proof valve in transportation, Rupture, the excessive caused tear of explosion-proof valve amplitude in breath test experiment can also be avoided, explosion-proof value decline is excessive, prevents from producing During explosion-proof valve deform, the risk of rupture, lift the service life of explosion-proof valve.
In summary:This carries lithium ion battery explosion-proof valve of reinforcement, the first reinforcement 3 and the second reinforcement 4 be from Extrusion or drawing and forming, can ensure the first reinforcement plus the size of the first reinforcement 3 and the second reinforcement 4 in explosion-proof bonnet 2 The stability in use of the reinforcement 4 of muscle 3 and second, the setting of the first reinforcement 3 and the second reinforcement 4 can prevent from making in transportation Explosion-proof valve is deformed, rupture, and the excessive caused tear of explosion-proof valve amplitude, explosion-proof value in breath test experiment can also be avoided to decline Greatly, explosion-proof valve deformation, the risk of rupture in production process are prevented, lifts the service life of explosion-proof valve.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (5)

1. a kind of lithium ion battery explosion-proof valve with reinforcement, including explosion-proof valve circle (1), explosion-proof bonnet (2) and reinforcement, its It is characterised by:The reinforcement includes the first reinforcement (3) and the second reinforcement (4), and the inner side of the explosion-proof valve circle (1) is fixed Be connected with explosion-proof bonnet (2), be provided with the explosion-proof bonnet (2) with explosion-proof valve circle (1) shape identical annular groove (21), The centre of the explosion-proof bonnet (2) is provided with to be strengthened on symmetrical first reinforcement (3) of explosion-proof bonnet (2) center line and second Muscle (4), first reinforcement (3) and the second reinforcement (4) are fixedly connected with to be strengthened at the top of explosion-proof bonnet (2), first The opening of muscle (3) and the second reinforcement (4) is towards conversely.
A kind of 2. lithium ion battery explosion-proof valve with reinforcement according to claim 1, it is characterised in that:It is described explosion-proof Valve circle (1) is set in racetrack.
A kind of 3. lithium ion battery explosion-proof valve with reinforcement according to claim 1, it is characterised in that:Described first Reinforcement (3) and the second reinforcement (4) semicircular in shape shape.
A kind of 4. lithium ion battery explosion-proof valve with reinforcement according to claim 1, it is characterised in that:Described first The cross section of reinforcement (3) and the second reinforcement (4) is in the top of arch form structure, the first reinforcement (3) and the second reinforcement (4) The width range of end and bottom is 1-4 millimeters, is highly 2.0 millimeters.
A kind of 5. lithium ion battery explosion-proof valve with reinforcement according to claim 1, it is characterised in that:Described first The spacing of reinforcement (3) and the second reinforcement (4) is not less than 0.5 millimeter.
CN201721087646.3U 2017-08-28 2017-08-28 A kind of lithium ion battery explosion-proof valve with reinforcement Expired - Fee Related CN207199722U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721087646.3U CN207199722U (en) 2017-08-28 2017-08-28 A kind of lithium ion battery explosion-proof valve with reinforcement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721087646.3U CN207199722U (en) 2017-08-28 2017-08-28 A kind of lithium ion battery explosion-proof valve with reinforcement

Publications (1)

Publication Number Publication Date
CN207199722U true CN207199722U (en) 2018-04-06

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CN201721087646.3U Expired - Fee Related CN207199722U (en) 2017-08-28 2017-08-28 A kind of lithium ion battery explosion-proof valve with reinforcement

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107331821A (en) * 2017-08-28 2017-11-07 苏州百思利新能源科技有限公司 A kind of lithium ion battery explosion-proof valve with reinforcement
CN108843468A (en) * 2018-06-26 2018-11-20 邢箫 A method of improving engine self-shield ability

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107331821A (en) * 2017-08-28 2017-11-07 苏州百思利新能源科技有限公司 A kind of lithium ion battery explosion-proof valve with reinforcement
CN108843468A (en) * 2018-06-26 2018-11-20 邢箫 A method of improving engine self-shield ability
CN108843468B (en) * 2018-06-26 2019-10-08 赵文龙 A method of improving engine self-shield ability

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: Jiangxi Bestley New Energy Technology Co., Ltd.

Assignor: Suzhou, Amperex Technology Limited

Contract record no.: 2019440020018

Denomination of utility model: Lithium ion battery anti-explosion valve with reinforcing ribs

Granted publication date: 20180406

License type: Common License

Record date: 20190415

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180406

Termination date: 20200828