CN207648214U - A kind of anti-explosion valve structure of lithium battery - Google Patents
A kind of anti-explosion valve structure of lithium battery Download PDFInfo
- Publication number
- CN207648214U CN207648214U CN201721605797.3U CN201721605797U CN207648214U CN 207648214 U CN207648214 U CN 207648214U CN 201721605797 U CN201721605797 U CN 201721605797U CN 207648214 U CN207648214 U CN 207648214U
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- CN
- China
- Prior art keywords
- lithium battery
- burst disk
- spool
- casing cover
- valve structure
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- 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.)
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Abstract
The utility model discloses a kind of anti-explosion valve structures of lithium battery, including casing cover, shell is installed, pressing plate, burst disk, valve seat, spool, extending column, spring, lithium battery, the casing cover is provided on the lithium battery, the pressing plate is provided on the casing cover, the pressing plate is internally provided with cover board, it is provided with air hole on the cover board, it is provided with cavity below the air hole, it is provided with the burst disk below the cavity, it is provided with pore in the burst disk, it is provided with the installation shell below the casing cover, the installation enclosure is provided with cushion chamber.Advantageous effect is：The utility model is made of spool novel elastic rubber material; increase leakproofness; there is spring to do elastic connection simultaneously; it can keep in the center after facilitating pressure release, while be equipped with surge chamber, burst disk need not burst row pressure; reduce production cost and resource consumption; extra expenses have been saved, environment is protected, have reduced the generation of peril.
Description
Technical field
The utility model is related to technical field of lithium batteries, more particularly to a kind of anti-explosion valve structure of lithium battery.
Background technology
Lithium battery is environmentally protective novel energy-storing component, has environmentally protective, and energy density is big, service life length etc.
Advantage has a wide range of applications in fields such as electric vehicle, electric tool, UPS, household electrical appliance, military project, space flight.
Currently, lithium battery anti-explosion valve structure is mostly one through-hole of processing on cover board, a step is set, on step on through-hole
One rupture pressure disc is installed, rupture pressure disc utilizes laser welding with cover-plate step, realizes cell sealing, but laser welding easy tos produce
Stomata or rosin joint cause battery leakage or extraneous gas to enter, and deficient manufacturing procedure rate is high.Moreover, during battery use, welding
Place is loosened by electrolytic corrosion or weld, causes leakage or extraneous gas to enter, there are security risks.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of anti-explosion valve structure of lithium battery.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of anti-explosion valve structure of lithium battery, including casing cover, installation shell, pressing plate, burst disk, valve seat, spool, extension
Column, spring, lithium battery are provided with the casing cover on the lithium battery, the pressing plate, the pressure are provided on the casing cover
Intralamellar part is provided with cover board, and air hole is provided on the cover board, and cavity, the cavity lower section are provided with below the air hole
It is provided with the burst disk, pore is provided in the burst disk, the installation shell is provided with below the casing cover, it is described
Installation enclosure is provided with cushion chamber, and the valve seat is provided in the cushion chamber, relief hole is provided with below the valve seat,
It is provided with filter in the relief hole, the spool is provided with above the filter, described prolong is provided on the spool
Column is stretched, spring is provided on the extending column.
In above structure, the installation shell is connect with the lithium battery by thread seal, and the casing cover is nested into
In the lithium battery, when the pressure in lithium battery is excessive, pressure air can enter the installation shell from the relief hole
Interior, the filter tissue liquid leaks, and when the air pressure is excessive, can jack up the spool, and then compress the spring,
Air enters the cushion chamber, can be discharged into from the pore in the burst disk into the air in the cushion chamber described
In cavity, the external world is discharged to from the air hole later.When pressure stability, the spring can push the valve continue with
The valve seat closely connects.
In order to further increase a kind of use function of the anti-explosion valve structure of lithium battery, the casing cover and the lithium battery
Nested encryptions, the installation shell are connected through a screw thread with the lithium battery.
In order to further increase a kind of use function of the anti-explosion valve structure of lithium battery, the casing cover and the pressing plate are embedding
Set connection, the cover board and the pressing plate nested encryptions, the cavity are made of the cover board and the burst disk.
In order to further increase a kind of use function of the anti-explosion valve structure of lithium battery, the pore is in the burst disk
It is symmetric, the burst disk is made of alloy steel material.
In order to further increase a kind of use function of the anti-explosion valve structure of lithium battery, the burst disk and the casing cover
Nested encryptions, the burst disk is with the spring by being welded to connect.
In order to further increase a kind of use function of the anti-explosion valve structure of lithium battery, the spring and the extending column are embedding
Set connection, the extending column are integrated with the spool, and the extending column and the spool are all made of rubber elastic material.
In order to further increase a kind of use function of the anti-explosion valve structure of lithium battery, the spool is nested with the valve seat
Connection, the valve seat with the installation shell by being welded to connect, the filter and the relief hole nested encryptions.
The beneficial effects of the utility model are：The utility model is made of spool novel elastic rubber material, is increased
Leakproofness, while thering is spring to do elastic connection, it can keep in the center after facilitating pressure release, while being equipped with surge chamber, burst disk is not required to
Burst row pressure, reduces production cost and resource consumption, has saved extra expenses, protects environment, reduces peril
Generation.
Description of the drawings
Fig. 1 is a kind of internal structure view of the anti-explosion valve structure of lithium battery described in the utility model；
Fig. 2 is a kind of front view of the anti-explosion valve structure of lithium battery described in the utility model；
Fig. 3 is a kind of overall structure figure of the anti-explosion valve structure of lithium battery described in the utility model；
Fig. 4 is a kind of burst disk vertical view of the anti-explosion valve structure of lithium battery described in the utility model.
The reference numerals are as follows：
1, casing cover；2, lithium battery；3, shell is installed；4, pressing plate；5, cover board；6, air hole；7, cavity；8, burst disk；
9, cushion chamber；10, valve seat；11, relief hole；12, spool；13, extending column；14, spring；15, pore；16, filter.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 4, a kind of anti-explosion valve structure of lithium battery, including it is casing cover 1, installation shell 3, pressing plate 4, explosion-proof
Piece 8, valve seat 10, spool 12, extending column 13, spring 14, lithium battery 2 are provided with casing cover 1 on lithium battery 2, and lithium battery 2 is used for
Electricity is provided, casing cover 1 is provided with pressing plate 4, pressing plate 4 is used for loading part and sealing, pressing plate 4 for sealing on casing cover 1
It is internally provided with cover board 5, cover board 5 is used for exhaust sealing, air hole 6 is provided on cover board 5, air hole 6 is for being vented, air hole
6 lower sections are provided with cavity 7, and cavity 7 is provided with burst disk 8 for storing air, 7 lower section of cavity, and burst disk 8 is anti-for pressure release
It is quick-fried, pore 15 is provided in burst disk 8, pore 15 is provided with installation shell 3 for discharging air, 1 lower section of casing cover, and installation is outer
For shell 3 for being connect with lithium battery 2, installation shell 3 is internally provided with cushion chamber 9, and cushion chamber 9 is prevented for compensator or trimmer pressure air
Quick-fried 8 rupture, is provided with valve seat 10 in cushion chamber 9, valve seat 10 be used for 12 fitted seal of spool, 10 lower section of valve seat, which is provided with, lets out
It presses hole 11, relief hole 11 to be used to enter pressure air, filter 16 is provided in relief hole 11, filter 16 is used for barrier liquid
Into air is only entered, 16 top of filter is provided with spool 12, and spool 12 is for releasing stress air, spool when pressure is big
Extending column 13 is provided on 12, extending column 13 is used for connecting spring 14, and spring 14 is provided on extending column 13, and spring 14 is used for valve
12 return of core.
In above structure, installation shell 3 is connect with lithium battery 2 by thread seal, and casing cover 1 is nested into lithium battery 2,
When the pressure in lithium battery 2 is excessive, pressure air can be installed from entering in relief hole 11 in shell 3,16 tissue fluid of filter
It lets out in vitro, when air pressure is excessive, spool 12, and then compressed spring 14 can be jacked up, air enters cushion chamber 9, into cushion chamber 9
Interior air can be discharged into from the pore 15 in burst disk 8 in cavity 7, be discharged to the external world from air hole 6 later.When pressure is steady
Periodically, spring 14 can push valve continuation closely to be connect with valve seat 10.
In order to further increase a kind of use function of the anti-explosion valve structure of lithium battery, casing cover 1 is nested with lithium battery 2 even
It connects, installation shell 3 is connected through a screw thread with lithium battery 2, casing cover 1 and 4 nested encryptions of pressing plate, and cover board 5 is nested with pressing plate 4 even
It connects, cavity 7 is made of cover board 5 and burst disk 8, and pore 15 is symmetric in burst disk 8, and burst disk 8 is by alloy steel material
It is made, burst disk 8 and 1 nested encryptions of casing cover, for burst disk 8 with spring 14 by being welded to connect, spring 14 and extending column 13 are embedding
Set connection, extending column 13 is integrated with spool 12, and extending column 13 and spool 12 are all made of rubber elastic material, spool 12 and
10 nested encryptions of valve seat, valve seat 10 with installation shell 3 by being welded to connect, filter 16 and 11 nested encryptions of relief hole.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (7)
1. a kind of anti-explosion valve structure of lithium battery, it is characterised in that：Including casing cover, installation shell, pressing plate, burst disk, valve seat,
Spool, extending column, spring, lithium battery are provided with the casing cover on the lithium battery, the pressure are provided on the casing cover
Plate, the pressing plate are internally provided with cover board, and air hole is provided on the cover board, is provided with cavity below the air hole, institute
It states and is provided with the burst disk below cavity, pore is provided in the burst disk, the peace is provided with below the casing cover
Casing, the installation enclosure are provided with cushion chamber, and the valve seat is provided in the cushion chamber, is set below the valve seat
It is equipped with relief hole, filter is provided in the relief hole, the spool is provided with above the filter, is set on the spool
It is equipped with the extending column, spring is provided on the extending column.
2. a kind of anti-explosion valve structure of lithium battery according to claim 1, it is characterised in that：The casing cover and the lithium
Battery nested encryptions, the installation shell are connected through a screw thread with the lithium battery.
3. a kind of anti-explosion valve structure of lithium battery according to claim 1, it is characterised in that：The casing cover and the pressure
Plate nested encryptions, the cover board and the pressing plate nested encryptions, the cavity are made of the cover board and the burst disk.
4. a kind of anti-explosion valve structure of lithium battery according to claim 1, it is characterised in that：The pore is described explosion-proof
On piece is symmetric, and the burst disk is made of alloy steel material.
5. a kind of anti-explosion valve structure of lithium battery according to claim 1, it is characterised in that：The burst disk with it is described outer
Shell cover nested encryptions, the burst disk is with the spring by being welded to connect.
6. a kind of anti-explosion valve structure of lithium battery according to claim 1, it is characterised in that：The spring and the extension
Column nested encryptions, the extending column are integrated with the spool, and the extending column and the spool are all by rubber elastic material
It is made.
7. a kind of anti-explosion valve structure of lithium battery according to claim 1, it is characterised in that：The spool and the valve seat
Nested encryptions, the valve seat with the installation shell by being welded to connect, the filter and the relief hole nested encryptions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721605797.3U CN207648214U (en) | 2017-11-27 | 2017-11-27 | A kind of anti-explosion valve structure of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721605797.3U CN207648214U (en) | 2017-11-27 | 2017-11-27 | A kind of anti-explosion valve structure of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648214U true CN207648214U (en) | 2018-07-24 |
Family
ID=62881973
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721605797.3U Expired - Fee Related CN207648214U (en) | 2017-11-27 | 2017-11-27 | A kind of anti-explosion valve structure of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207648214U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248595A (en) * | 2018-10-08 | 2019-01-22 | 天津国柴新能源科技有限公司 | A kind of Water-In-Oil coal fuel pour-point depressant and its process units |
| CN109546051A (en) * | 2018-11-02 | 2019-03-29 | 襄阳全系康动力机械有限责任公司 | A kind of mine anti-explosion power packet |
| CN112303308A (en) * | 2019-08-23 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Explosion-proof valve, battery package and electric automobile |
| CN113411999A (en) * | 2021-06-28 | 2021-09-17 | 王隽峰 | Information-based equipment based on Internet of things |
-
2017
- 2017-11-27 CN CN201721605797.3U patent/CN207648214U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248595A (en) * | 2018-10-08 | 2019-01-22 | 天津国柴新能源科技有限公司 | A kind of Water-In-Oil coal fuel pour-point depressant and its process units |
| CN109546051A (en) * | 2018-11-02 | 2019-03-29 | 襄阳全系康动力机械有限责任公司 | A kind of mine anti-explosion power packet |
| CN112303308A (en) * | 2019-08-23 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Explosion-proof valve, battery package and electric automobile |
| CN113411999A (en) * | 2021-06-28 | 2021-09-17 | 王隽峰 | Information-based equipment based on Internet of things |
| CN113411999B (en) * | 2021-06-28 | 2022-09-27 | 王隽峰 | Information-based equipment based on Internet of things |
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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: 20180724 Termination date: 20191127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |