CN206432341U - Safety-type lithium battery - Google Patents
Safety-type lithium battery Download PDFInfo
- Publication number
- CN206432341U CN206432341U CN201720149802.8U CN201720149802U CN206432341U CN 206432341 U CN206432341 U CN 206432341U CN 201720149802 U CN201720149802 U CN 201720149802U CN 206432341 U CN206432341 U CN 206432341U
- Authority
- CN
- China
- Prior art keywords
- core cap
- valve
- valve element
- valve seat
- lithium battery
- 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
Links
Classifications
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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
Abstract
The utility model is related to a kind of safety-type lithium battery, set including battery container, in the battery container on positive pole coiled material and negative pole coiled material, the battery container and be provided with end cover for battery cells, offered on the end cover for battery cells and be provided with air bleeding valve on steam vent, the steam vent；Air bleeding valve includes valve seat, valve element and core cap, formed and be tightly connected between the valve seat outer wall and steam vent, air inlet is offered in the valve seat, the valve element is arranged in valve seat, the core cap is connected on valve seat, the core cap upper end forms outlet, and pressure ring is enclosed in the inner ring formation one of the core cap, and the pressure ring compresses the outer end wall of valve element；Valve element is made of silica gel material, and the cross air discharge duct run through up and down is offered on the valve element, when static, and the cross air discharge duct is because silica gel is conducted oneself with dignity and keeps sealing shape.In lithium battery of the present utility model, change traditional lithium battery air bleeding valve principle, conducted oneself with dignity using silica gel valve element and realize that making the exhaust of lithium battery becomes sensitiveer, reliable to air discharge duct closing.
Description
Technical field
The utility model is related to a kind of safety-type lithium battery.
Background technology
Generally there is problems with after common lithium battery assembling in the prior art：The air bleeding valve installed on common lithium battery is all
It is that the elastic force provided using spring will be used for sealed steel ball abutting, the defect of conventional presence is that spring is used as a kind of machinery
Parts, exist and get rusty, and there is the unstable phenomenon of elastic force over time, are unfavorable for lithium battery interior exhaust.
Utility model content
The technical problems to be solved in the utility model is：The deficiencies in the prior art are overcome there is provided a kind of safety-type lithium battery,
Solve the defect of conventional lithium battery exhaust inconvenience.
The utility model solves the technical scheme that its technical problem used：A kind of safety-type lithium battery, including battery
Set in housing, the battery container on positive pole coiled material and negative pole coiled material, the battery container and be provided with end cover for battery cells, the electricity
Offered on the end cap of pond and be provided with air bleeding valve on steam vent, the steam vent；
The air bleeding valve includes valve seat, valve element and core cap, is formed and is tightly connected between the valve seat outer wall and steam vent,
Air inlet is offered in the valve seat, the valve element is arranged in valve seat, and the core cap is connected on valve seat, the core cap upper end
Outlet is formed, pressure ring is enclosed in the inner ring formation one of the core cap, and the pressure ring compresses the outer end wall of valve element；
The valve element is made of silica gel material, and the cross air discharge duct run through up and down is offered on the valve element, when static,
The cross air discharge duct is because silica gel is conducted oneself with dignity and keeps sealing shape.
Further, the valve element includes core print seat and seal, and the seal raises up in arcuation, in the core print seat
Air collecting chamber is formed, air collecting chamber is connected with the air inlet of valve seat, and described cross air discharge duct is arranged on seal.
Further, the roof of the air collecting chamber is in arcuation.
Further, bonnet is provided with the core cap, the lower edge of the bonnet is less than the upper end outlet of core cap, the core
Through some they sup-ports between cover outer wall and bonnet inwall, exhaust passage is formed between the core cap and bonnet, the exhaust is led to
The open communication in road and core cap.
The beneficial effects of the utility model are：In lithium battery of the present utility model, change traditional lithium battery air bleeding valve principle,
Conducted oneself with dignity using silica gel valve element and realize that making the exhaust of lithium battery becomes sensitiveer, reliable to air discharge duct closing.
Brief description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of lithium battery；
Fig. 2 is the schematic diagram of valve element；
Wherein, 1, end cover for battery cells, 2, valve seat, 3, valve element, 4, core cap, 5, bonnet, 31, core print seat, 32, seal.
Embodiment
The utility model is further described presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram only to show
Meaning mode illustrates basic structure of the present utility model, therefore it only shows the composition relevant with the utility model.
As shown in Fig. 1 Fig. 2, a kind of safety-type lithium battery, including battery container, battery container is interior to set positive pole coiled material and negative
It is provided with to offer on end cover for battery cells 1, end cover for battery cells 1 on pole coiled material, battery container and exhaust is provided with steam vent, steam vent
Valve.
Air bleeding valve includes valve seat 2, valve element 3 and core cap 4, is formed and is tightly connected between the outer wall of valve seat 2 and steam vent, valve seat
Air inlet is offered in 2, valve element 3 is arranged in valve seat 2, and core cap 4 is connected on valve seat 2, the upper end of core cap 4 forms outlet, core cap 4
Inner ring formation one enclose pressure ring, pressure ring compress valve element 3 outer end wall.
Valve element 3 is made of silica gel material, and the cross air discharge duct run through up and down is offered on valve element 3, when static, cross row
Air drain is because silica gel is conducted oneself with dignity and keeps sealing shape.
Valve element 3 includes core print seat 31 and seal 32, and seal 32 raises up in arcuation, and core print seat 31 is interior to form air collecting chamber,
Air collecting chamber is connected with the air inlet of valve seat 2, and cross air discharge duct is arranged on seal 32.
The roof of air collecting chamber is in arcuation.So it is easy to gas to open the cross air discharge duct top of valve element 3.
Bonnet 5 is provided with core cap 4, the lower edge of bonnet 5 is less than in the upper end outlet of core cap 4, the outer wall of core cap 4 and bonnet 5
Through some they sup-ports between wall, exhaust passage is formed between core cap 4 and bonnet 5, the exhaust passage and the opening of core cap 4 connect
It is logical.Such a structure, can avoid outside from being entered from upper end in core cap 4, influence the folding operation of valve element 3.
Threaded engagement between valve seat 2 and steam vent, threaded engagement between core cap 4 and valve seat 2, core cap 4 compresses the core of valve element 3
31 parts of seat, the seal 32 of arcuation is conducive to cross air discharge duct sealing under static state；During operation, when producing gas in battery
During pressure, gas enters in air collecting chamber through steam vent, and then cross air discharge duct is opened on top, and gas is discharged, after air pressure is normal, sealing
Body 32 is closed under Gravitative Loads, and air discharge duct is closed.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (4)
1. a kind of safety-type lithium battery, it is characterized in that, including battery container, the battery container is interior to set positive pole coiled material and negative pole
End cover for battery cells is provided with coiled material, the battery container（1）, the end cover for battery cells（1）On offer steam vent, the steam vent
On be provided with air bleeding valve；
The air bleeding valve includes valve seat（2）, valve element（3）And core cap（4）, the valve seat（2）Formed between outer wall and steam vent
It is tightly connected, the valve seat（2）Inside offer air inlet, the valve element（3）It is arranged on valve seat（2）It is interior, the core cap（4）Connection
In valve seat（2）On, the core cap（4）Upper end forms outlet, the core cap（4）Inner ring formation one enclose pressure ring, the pressure ring pressure
Tight valve element（3）Outer end wall；
The valve element（3）It is made of silica gel material, the valve element（3）On offer the cross air discharge duct run through up and down, it is static
When, the cross air discharge duct is because silica gel is conducted oneself with dignity and keeps sealing shape.
2. safety-type lithium battery according to claim 1, it is characterized in that, the valve element（3）Including core print seat（31）And sealing
Body（32）, the seal（32）Raise up in arcuation, the core print seat（31）Interior formation air collecting chamber, air collecting chamber and valve seat（2）
Air inlet connection, described cross air discharge duct is arranged on seal（32）On.
3. safety-type lithium battery according to claim 2, it is characterized in that, the roof of the air collecting chamber is in arcuation.
4. safety-type lithium battery according to claim 1, it is characterized in that, the core cap（4）On be provided with bonnet（5）, institute
State bonnet（5）Lower edge be less than core cap（4）Upper end outlet, the core cap（4）Outer wall and bonnet（5）If passing through the Heavenly Stems and Earthly Branches between inwall
Strut is supported, the core cap（4）With bonnet（5）Between form exhaust passage, the exhaust passage and core cap（4）Open communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149802.8U CN206432341U (en) | 2017-02-20 | 2017-02-20 | Safety-type lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149802.8U CN206432341U (en) | 2017-02-20 | 2017-02-20 | Safety-type lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432341U true CN206432341U (en) | 2017-08-22 |
Family
ID=59590291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720149802.8U Expired - Fee Related CN206432341U (en) | 2017-02-20 | 2017-02-20 | Safety-type lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206432341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565078A (en) * | 2017-09-01 | 2018-01-09 | 王武生 | A kind of method for preventing lithium ion battery combustion explosion |
| CN108448023A (en) * | 2018-05-18 | 2018-08-24 | 南通耐维特电源有限公司 | A kind of high-capacity lithium battery seal assembly |
| CN109103361A (en) * | 2018-07-20 | 2018-12-28 | 苏州橙柳电子精密有限公司 | A kind of improved lithium battery cap |
-
2017
- 2017-02-20 CN CN201720149802.8U patent/CN206432341U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565078A (en) * | 2017-09-01 | 2018-01-09 | 王武生 | A kind of method for preventing lithium ion battery combustion explosion |
| CN108448023A (en) * | 2018-05-18 | 2018-08-24 | 南通耐维特电源有限公司 | A kind of high-capacity lithium battery seal assembly |
| CN108448023B (en) * | 2018-05-18 | 2023-05-30 | 南通耐维特电源有限公司 | Sealing assembly for high-capacity lithium battery |
| CN109103361A (en) * | 2018-07-20 | 2018-12-28 | 苏州橙柳电子精密有限公司 | A kind of improved lithium battery cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20180220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |