CN207353357U - A kind of lithium battery pressure relief device - Google Patents
A kind of lithium battery pressure relief device Download PDFInfo
- Publication number
- CN207353357U CN207353357U CN201721252707.7U CN201721252707U CN207353357U CN 207353357 U CN207353357 U CN 207353357U CN 201721252707 U CN201721252707 U CN 201721252707U CN 207353357 U CN207353357 U CN 207353357U
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- Prior art keywords
- pressure relief
- gasket
- pressure release
- lithium battery
- battery
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
It the utility model is related to technical field of lithium batteries, in particular a kind of lithium battery pressure relief device and lithium battery, including device body, device body includes battery cover board and pressure relief mechanism, pressure relief mechanism is installed on the top of battery cover board, and pressure relief mechanism includes push-pull rod, gasket, connecting rod and adjusts ball, and gasket is connected with push-pull rod close to one end of battery cover board, gasket is connected with connecting rod close to one end of pressure relief mechanism, adjusts one end that ball is fixed on connecting rod.The lithium battery pressure relief device, by adjusting the reason for ball is subject to gravity, stress is squeezed on lower baffle plate, and gasket compresses pressure release region at this time, and the leakproofness of inside battery entirety can be ensured using dual-seal；Ball will be adjusted to be fitted tightly at overhead gage, gasket leaves pressure release region at this time, adjusts ball and leaves lower baffle plate, pressure release region forms a runner communicated, and the air pressure for being conducive to lithium battery interior is discharged by pressure release region.
Description
Technical field
Technical field of lithium batteries is the utility model is related to, is specially a kind of lithium battery pressure relief device.
Background technology
Lithium battery, be it is a kind of by lithium metal or lithium alloy be negative material, the battery using non-aqueous electrolytic solution.1912
Year lithium metal battery is proposed and studied earliest.During the 1970s, propose and the lithium ion battery that begins one's study.Due to lithium metal
Chemical characteristic it is very active so that processing, preservation, the use of lithium metal, it is very high to environmental requirement.So lithium battery is grown
Phase is not applied.With the development of science and technology, present lithium battery has become mainstream.Lithium battery is broadly divided into two
Class：Lithium metal battery and lithium ion battery.Lithium ion battery does not contain the lithium of metallic state, and can charge.It is chargeable
5th generation product lithium metal battery of battery was born in 1996, its security, specific capacity, self-discharge rate and the ratio of performance to price are equal
Better than lithium ion battery.Since the high-tech of its own requires limitation, only the company of a few countries is producing this now
Kind lithium metal battery.
According to Chinese utility model patent Authorization Notice No. CN206022491U, it is related to a kind of lithium battery pressure relief device, should
Device includes：Groove and gasket；Groove is arranged on battery cover board；Groove can be formed through battery cover under external force
The relief hole of plate；Gasket is arranged on battery cover board, and positioned at the top of groove；Gasket is used to seal after draining gas recessed
The relief hole that groove is formed.The lithium battery pressure relief device of the utility model, by setting groove on battery cover board, is needing to be vented
When open groove, form the relief hole through battery cover board, pass through the electric pool gas of relief hole discharge, discharge air pressure, Ran Houli
Formed relief hole is sealed with gasket, not only solves battery in procedure for producing the problem of flatulence, and ensure that
The leakproofness of battery after discharge gas.
But the patent also has following room for improvement, when carrying out pressure release to lithium battery, generally require to puncture relief hole
After carry out pressure release, relief hole cannot be compound after breakdown, only by gasket sealing cannot accomplish good leakproofness, influence electricity
The problem of pond uses.A kind of in consideration of it, it is proposed that lithium battery pressure relief device.
Utility model content
It is proposed in the above background technology to solve the purpose of this utility model is to provide a kind of lithium battery pressure relief device
When carrying out pressure release to lithium battery, generally require to carry out pressure release after relief hole is punctured, relief hole cannot be compound after breakdown, only
Good leakproofness cannot be accomplished by gasket sealing, influence the problem of battery uses.
To achieve the above object, the utility model provides following technical solution：
A kind of lithium battery pressure relief device, including device body, described device body include battery cover board and pressure relief mechanism,
The pressure relief mechanism be installed on the battery cover board top, the pressure relief mechanism include push-pull rod, gasket, connecting rod and
Ball is adjusted, the gasket is connected with the push-pull rod close to one end of the battery cover board, and the gasket is let out close to described
One end of press mechanism is connected with the connecting rod, described one end for adjusting ball and being fixed on the connecting rod.
Preferably, the inside of the battery cover board offers pressure release region, and the pressure release region includes safety vent and lets out
Pressure passageway, the pressure release passage are located at the safety vent close to one end of the pressure relief mechanism.
Preferably, the safety vent inner wall is fixed with overhead gage close to the side of the pressure release passage, in the safety vent
Side of the wall away from the pressure release passage is fixed with lower baffle plate.
Preferably, the inside of the lower baffle plate is solid, and the surface of the overhead gage offers several through holes.
Preferably, the overhead gage and the lower baffle plate adjust ball sliding contact with described.
Preferably, the battery cover board is run through in the pressure release region.
Compared with prior art, the beneficial effects of the utility model：The lithium battery pressure relief device, is subject to weight by adjusting ball
The reason for power, stress are squeezed on lower baffle plate, and gasket compresses pressure release region at this time, can ensure battery using dual-seal
Internal overall leakproofness；Ball will be adjusted to be fitted tightly at overhead gage, gasket leaves pressure release region at this time, adjusts ball and leaves
Lower baffle plate, pressure release region form a runner communicated, and the air pressure for being conducive to lithium battery interior is discharged by pressure release region.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model pressure release regional structure schematic diagram；
Fig. 3 is the utility model overhead gage structure diagram.
In figure：1st, device body；2nd, battery cover board；21st, pressure release region；211st, safety vent；212nd, pressure release passage；213rd, under
Baffle；214th, overhead gage；215th, through hole；3rd, pressure relief mechanism；31st, push-pull rod；32nd, gasket；33rd, connecting rod；34th, ball is adjusted.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of lithium battery pressure relief device, including device body 1, device body 1 include battery cover board 2 and pressure relief mechanism 3,
Pressure relief mechanism 3 is installed on the top of battery cover board 2, and pressure relief mechanism 3 includes push-pull rod 31, gasket 32, connecting rod 33 and adjusts
Ball 34 is saved, gasket 32 is connected with push-pull rod 31 close to one end of battery cover board 2, and gasket 32 selects acid and alkali-resistance, heat safe
Rubber material, such as polytetrafluoroethylene (PTFE) or acrylate etc., and gasket 32 has certain elasticity, is conducive to gasket
32 can compress into pressure release region 21, have good leakproofness.Gasket 32 is connected with close to one end of pressure relief mechanism 3
Connecting rod 33, adjusts one end that ball 34 is fixed on connecting rod 33, the inside of battery cover board 2 offers pressure release region 21, voltage discharging area
Domain 21 includes safety vent 211 and pressure release passage 212, and pressure release passage 212 is located at safety vent 211 close to one end of pressure relief mechanism 3,
211 inner wall of safety vent is fixed with overhead gage 214 close to the side of pressure release passage 212, and 211 inner wall of safety vent is away from pressure release passage
212 side is fixed with lower baffle plate 213, and the inside of lower baffle plate 213 is solid, and the surface of overhead gage 214 offers several
With adjusting 34 sliding contact of ball, battery cover board 2 is run through in pressure release region 21 for through hole 215, overhead gage 214 and lower baffle plate 213, puts down
When shape state under, adjust ball 34 the reason for being subject to gravity, stress is squeezed on lower baffle plate 213, and gasket 32 compresses pressure release at this time
Region 21, can sufficiently keep the leakproofness of inside battery, when needing to carry out pressure release, by push-pull rod 31 by gasket 32
Moving up, gasket 32 drives adjusting ball 34 to move up, and is fitted tightly over until adjusting ball 34 at overhead gage 214, this
When gasket 32 leave pressure release region 21, adjust ball 34 and leave lower baffle plate 213, and be bonded with overhead gage 214, and overhead gage 214
Offer the gas for for ventilative through hole 215, one runner communicated of the formation of pressure release region 21 at this time, being conducive to lithium battery interior
Pressure is discharged by pressure release region 21.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
On the premise of, the utility model also has various changes and modifications, these changes and improvements both fall within this claimed practicality
In new scope.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. a kind of lithium battery pressure relief device, including device body (1), it is characterised in that：Described device body (1) includes battery cover
Plate (2) and pressure relief mechanism (3), the pressure relief mechanism (3) are installed on the top of the battery cover board (2), the pressure relief mechanism
(3) include push-pull rod (31), gasket (32), connecting rod (33) and adjust ball (34), the gasket (32) is close to described
One end of battery cover board (2) is connected with the push-pull rod (31), and the gasket (32) is close to one end of the pressure relief mechanism (3)
It is connected with the connecting rod (33), described one end for adjusting ball (34) and being fixed on the connecting rod (33).
A kind of 2. lithium battery pressure relief device according to claim 1, it is characterised in that：The inside of the battery cover board (2)
Pressure release region (21) is offered, the pressure release region (21) includes safety vent (211) and pressure release passage (212), the pressure release
Passage (212) is located at the safety vent (211) close to one end of the pressure relief mechanism (3).
A kind of 3. lithium battery pressure relief device according to claim 2, it is characterised in that：Safety vent (211) inner wall leans on
The side of the nearly pressure release passage (212) is fixed with overhead gage (214), and safety vent (211) inner wall leads to away from the pressure release
The side in road (212) is fixed with lower baffle plate (213).
A kind of 4. lithium battery pressure relief device according to claim 3, it is characterised in that：The inside of the lower baffle plate (213)
For solid, the surface of the overhead gage (214) offers several through holes (215).
A kind of 5. lithium battery pressure relief device according to claim 4, it is characterised in that：The overhead gage (214) and described
Lower baffle plate (213) adjusts ball (34) sliding contact with described.
A kind of 6. lithium battery pressure relief device according to claim 2, it is characterised in that：The pressure release region (21) runs through institute
State battery cover board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721252707.7U CN207353357U (en) | 2017-09-27 | 2017-09-27 | A kind of lithium battery pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721252707.7U CN207353357U (en) | 2017-09-27 | 2017-09-27 | A kind of lithium battery pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353357U true CN207353357U (en) | 2018-05-11 |
Family
ID=62357438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721252707.7U Expired - Fee Related CN207353357U (en) | 2017-09-27 | 2017-09-27 | A kind of lithium battery pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720727A (en) * | 2020-06-13 | 2020-09-29 | 山东卫康生物医药科技有限公司 | Hydrogen collecting and storing method for hydrogen absorber |
| CN114583382A (en) * | 2022-02-17 | 2022-06-03 | 岚图汽车科技有限公司 | Lithium battery system, lithium battery control method, readable storage medium and control device |
-
2017
- 2017-09-27 CN CN201721252707.7U patent/CN207353357U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720727A (en) * | 2020-06-13 | 2020-09-29 | 山东卫康生物医药科技有限公司 | Hydrogen collecting and storing method for hydrogen absorber |
| CN111720727B (en) * | 2020-06-13 | 2022-02-08 | 山东卫康生物医药科技有限公司 | Hydrogen collecting and storing method for hydrogen absorber |
| CN114583382A (en) * | 2022-02-17 | 2022-06-03 | 岚图汽车科技有限公司 | Lithium battery system, lithium battery control method, readable storage medium and control device |
| CN114583382B (en) * | 2022-02-17 | 2023-03-31 | 岚图汽车科技有限公司 | Lithium battery system, lithium battery control method, readable storage medium and control device |
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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: 20180511 Termination date: 20210927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |