CN208381409U - A kind of air valve type balance explosion-proof valve - Google Patents
A kind of air valve type balance explosion-proof valve Download PDFInfo
- Publication number
- CN208381409U CN208381409U CN201820929507.9U CN201820929507U CN208381409U CN 208381409 U CN208381409 U CN 208381409U CN 201820929507 U CN201820929507 U CN 201820929507U CN 208381409 U CN208381409 U CN 208381409U
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- China
- Prior art keywords
- main body
- gland
- explosion
- cylindrical portion
- stage portion
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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
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides a kind of air valve type balance explosion-proof valve, including lower main body, upper main body, including integrally formed stage portion and cylindrical portion, the stage portion is socketed in lower main body, the first sealing structure is equipped between lower main body and upper main body, stage portion bottom is equipped with venthole, upper bottom part body is equipped with the cylindrical portion being adapted to through-hole, cylindrical portion is hollow structure, the cylindrical portion other end, which is threadedly coupled, is equipped with block, the pressure release elastic component being socketed in outside cylindrical portion is equipped between block and lower main body, cylindrical portion through-hole upper end is successively arranged airtight elastic component and gas nozzle, gas nozzle top is equipped with gland, gland is equipped with the opening abutted with gas nozzle, second seals structure is equipped between gland and stage portion, the lateral surface of the gland is equipped with venthole, ventilation hole site between stage portion and gland is equipped with circular membrane paper, during installation, from gas nozzle Place is passed through gas, and gas can quickly enter, and need not move through film paper, and the efficiency for detecting air-tightness increases.
Description
Technical field
The utility model, which belongs to, is related to explosion-proof valve technical field, is specifically related to a kind of air valve type balance explosion-proof valve.
Background technique
Battery is a composition of most critical in new-energy automobile, in the production of battery, needs battery pack forming electricity
Chi Bao (PACK), the prototype part that works in battery pack is abnormal after work and temperature raising and driving process intermediate altitude
Difference can all cause to cause a pressure difference inside and outside battery pack, influence the safety that battery uses, it is therefore desirable to eliminate pressure difference.
In the prior art, explosion-proof balanced valve is usually installed in battery pack, when battery pack internal and external pressure difference is larger into
Row pressure release, thus the external and internal pressure of regulating cell packet.After by the installation of explosion-proof balanced valve, due to needing to detect in battery pack
Air-tightness is usually passed through gas in outside, and gas passes through film paper and enters in battery pack, due to film paper characteristic, passes through in gas
When efficiency it is lower, therefore, the efficiency for detecting air-tightness is lower.
Utility model content
The utility model is the problem lower for detection air-tightness efficiency in the prior art, and it is flat now to provide a kind of air valve type
Weigh explosion-proof valve, can be improved the efficiency of detection air-tightness.
The utility model provides a kind of air valve type balance explosion-proof valve, including lower main body, and middle part is equipped with counterbore, counterbore middle part
Equipped with through-hole, bore periphery is equipped with venthole,
Upper main body, including integrally formed stage portion and cylindrical portion, the stage portion are socketed in the counterbore of lower main body, under
The first sealing structure is equipped between main body and upper main body, stage portion bottom is equipped with venthole,
Upper bottom part body is equipped with the cylindrical portion being adapted to through-hole, and cylindrical portion is hollow structure, and cylindrical portion other end screw thread connects
It is equipped with block, the pressure release elastic component being socketed in outside cylindrical portion is equipped between block and lower main body,
It further include airtight elastic component, step of the one end in cylindrical portion through-hole upper end abuts, and the other end is abutted with gas nozzle, gas nozzle
Top is equipped with gland, and gland is equipped with the opening abutted with gas nozzle, and the gland and the stage portion of upper main body are fixed, gland and platform
Second seals structure is equipped between rank portion, the lateral surface of the gland is equipped with venthole,
Further include circular membrane paper, is fixed on the ventilation hole site between stage portion and gland, the outer edge of circular membrane paper
It is fixed by second seals structure.
Gas nozzle is pressed, gas nozzle is separated with opening, and the extraneous cylindrical portion with inside battery pack by hollow structure is directly connected to,
When carrying out air-leakage test, it can directly be inflated from the channel, accelerate aeration speed, to accelerate air-leakage test efficiency.
It preferably, further include annular sealing strip, the annular sealing strip is fixed on the inside of lower main body.
Preferably, first sealing ring is fixed in the card slot of lower main body or upper main body.
Preferably, the counterbore internal diameter of the lower main body is greater than the stage portion outer diameter of upper main body.
Preferably, the second seals structure includes two the different inner seal rings of diameter, exterior seal rings, the interior sealing
Circle and exterior seal ring are located at the outer edge position of circular membrane paper.
Preferably, the gas nozzle central integration is equipped with the circular orientation portion of protrusion, and circular orientation portion outer diameter is greater than gear
The opening of block.
Preferably, plain washer is equipped between the circular orientation portion and block of the gas nozzle.
Preferably, the venthole of the lower main body is located in the first sealing ring, outside cylindrical portion, the venthole of the side of gland
Between the second sealing ring of fixed film paper.
Preferably, the circular membrane paper is e-PTFE material film.
The beneficial effects of the utility model are:
1, after being abnormal inside battery pack, can quick pressure release, balance external and internal pressure；
2, during installation, gas is passed through from gas nozzle, gas can quickly enter, film paper is needed not move through,
The efficiency for detecting air-tightness increases.
Detailed description of the invention
The explosive view that FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of the cross-sectional view of the utility model；
Fig. 3 is the structural schematic diagram of the utility model；
Wherein, 1, block, 2, pressure release elastic component, 3, annular sealing strip, 4, lower main body, 5, second seals structure, 51, outer
Sealing ring, 52, inner seal ring, 6, circular membrane paper, the 7, first sealing structure, 8, upper main body, 9, gland, 10, airtight elastic component,
11, gas nozzle, 12, plain washer.
Specific embodiment
Technical solution described in the utility model is described without limitation below in conjunction with attached drawing, in order to the public
More fully understand the technology contents.
Embodiment
As shown in Figure 1 to Figure 3, a kind of air valve type balances explosion-proof valve, including lower main body 4, and middle part is equipped with counterbore, counterbore middle part
Equipped with through-hole, bore periphery is equipped with venthole,
Upper main body 8, including integrally formed stage portion and cylindrical portion, the counterbore internal diameter of lower main body 4 are greater than the platform of upper main body 8
Rank portion outer diameter, stage portion are socketed in the counterbore of lower main body 4, and the first sealing structure 7, platform are equipped between lower main body 4 and upper main body 8
Rank portion bottom is equipped with venthole,
Upper 8 bottom of main body is equipped with the cylindrical portion being adapted to through-hole, and cylindrical portion is hollow structure, and cylindrical portion other end screw thread connects
It is equipped with block 1, the pressure release elastic component 2 being socketed in outside cylindrical portion is equipped between block 1 and lower main body 4,
It further include airtight elastic component 10, step of the one end in cylindrical portion through-hole upper end abuts, and the other end is abutted with gas nozzle 11,
11 top of gas nozzle is equipped with gland 9, and gland 9 is equipped with the opening abutted with gas nozzle 11, the stage portion of the gland 9 and upper main body 8
It is fixed, second seals structure 5 is equipped between gland 9 and stage portion, the lateral surface of the gland 9 is equipped with venthole,
Further include circular membrane paper 6, is fixed on the ventilation hole site between stage portion and gland 9, the interior outside of circular membrane paper 6
Edge is fixed by second seals structure 5.Wherein, circular membrane paper 6 is e-PTFE material film, and e-PTFE material film can not only
The effective impurity stopped in air, and due to material property, can have inside and outside battery pack and be adjusted when pressure difference,
Balance external and internal pressure.
Gas nozzle 11 is pressed, gas nozzle 11 is separated with opening, extraneous direct with cylindrical portion that is passing through hollow structure inside battery pack
Connection can be inflated directly from the channel when carrying out air-leakage test, accelerate aeration speed, to accelerate air-leakage test
Efficiency.
When the internal and external pressure difference of battery pack is less than 20KPa, gas passes sequentially through the ventilation in lower main body 4 in electromagnetism packet
Hole, the venthole of 8 stage portion of upper main body, film paper, are in communication with the outside finally by the venthole on gland 9, since film paper is e-
PTFE material film, therefore can only be adjusted when internal and external pressure difference is lesser.
When the internal and external pressure difference of battery pack reaches 20-40KPa, since the counterbore internal diameter of lower main body 4 is greater than upper main body 8
Stage portion outer diameter acts on 1 side of block at this point, the pressure in battery pack is larger, and pressure release elastic component 2 is compressed, upper main body 8
Stage portion separated with lower main body 4, between the stage portion bottom and lower main body 4 of upper main body 8 formed a gap, due to lower master
The counterbore internal diameter of body 4 is greater than the stage portion outer diameter of upper main body 8, therefore the gas in battery pack can pass through upper main body 8 and lower master
Gap flowing between body 4, carries out quick pressure releasing.
It wherein, further include annular sealing strip 3, the annular sealing strip 3 is fixed on the inside of lower main body 4.Sealing strip can be with
It is identical in the shape of lower main body 4 as sealing strip in the present embodiment for circular or rectangular ring, it is rectangle, it is during installation, close
Strip of paper used for sealing seals the balance explosion-proof valve and mounting body.
Wherein, first sealing ring is fixed in the card slot of lower main body 4 or upper main body 8.The counterbore upper surface of lower main body 4
Or the step lower surface of upper main body 8 is equipped with card slot, and the first sealing ring is connected in card slot, and it is not easily shifted, in upper main body 8 under
After main body 4 separates, the first sealing ring be will not fall off, and will not influence sealing effect, and in the present embodiment, card slot is located at main body 8
The lower surface in rank portion.
Wherein, the second seals structure 5 includes the different inner seal ring 52 of two diameters, exterior seal ring 51, described interior
Sealing ring 52 and exterior seal ring 51 are located at the outer edge position of circular membrane paper 6.Pass through inner seal ring 52 and exterior seal ring
51 fix film paper, can move to avoid film paper, and the venthole of the venthole, 8 stage portion of upper main body in lower main body 4
And the venthole of gland 9, in film paper position, when pressure difference is lower, gas is in communication with the outside by venthole and film paper,
Adjust pressure.
Wherein, 11 central integration of gas nozzle is equipped with the circular orientation portion of protrusion, and circular orientation portion outer diameter is greater than gear
The opening of block 1.Further, plain washer 12 is equipped between the circular orientation portion and block 1 of the gas nozzle 11.
Wherein, the venthole of the lower main body 4 is located in the first sealing ring, outside cylindrical portion, the venthole of the side of gland 9
Between the second sealing ring of fixed film paper.
It should be understood that it is not limitation to the technical solution that above content, which includes attached drawing, in fact, identical or
Under approximate principle, to the improvement that the technical solution carries out, shape, size, material used including Each part, and
The equivalent replacement of essentially identical functional structure, all within the utility model technical solution claimed.
Claims (10)
1. a kind of air valve type balances explosion-proof valve, which is characterized in that including lower main body, middle part is equipped with counterbore, is equipped in the middle part of counterbore logical
Hole, bore periphery are equipped with venthole,
Upper main body, including integrally formed stage portion and cylindrical portion, the stage portion are socketed in the counterbore of lower main body, lower main body
The first sealing structure is equipped between upper main body, stage portion bottom is equipped with venthole,
Upper bottom part body is equipped with the cylindrical portion being adapted to through-hole, and cylindrical portion is hollow structure, and the threaded connection of the cylindrical portion other end is set
There is block, the pressure release elastic component being socketed in outside cylindrical portion be equipped between block and lower main body,
Cylindrical portion through-hole upper end is successively arranged airtight elastic component and gas nozzle, is equipped with gland outside gas nozzle, gland is equipped with and gas nozzle
The opening of abutting, the gland and the stage portion of upper main body are fixed, and second seals structure is equipped between gland and stage portion, described
The lateral surface of gland is equipped with venthole,
Hole site is ventilated between stage portion venthole and gland equipped with circular membrane paper, circular membrane paper covers stage portion venthole and pressure
Lid venthole.
2. air valve type according to claim 1 balances explosion-proof valve, it is characterised in that: it further include annular sealing strip, the ring
Shape sealing strip is fixed on the inside of lower main body.
3. air valve type according to claim 2 balances explosion-proof valve, it is characterised in that: first sealing structure is fixed on down
In the card slot of main body or upper main body.
4. air valve type according to claim 3 balances explosion-proof valve, it is characterised in that: the counterbore internal diameter of the lower main body is greater than
The stage portion outer diameter of upper main body.
5. air valve type according to claim 3 balances explosion-proof valve, it is characterised in that: the circular membrane paper passes through the second sealing
Structure is fixed, and the second seals structure includes two the different inner seal rings of diameter, exterior seal rings, the inner seal ring and outer
Sealing ring is located at the outer edge position of circular membrane paper.
6. air valve type according to claim 5 balances explosion-proof valve, it is characterised in that: the inner seal ring and exterior seal ring are solid
Surely in the card slot for opening gland medial surface.
7. air valve type according to claim 3 balances explosion-proof valve, it is characterised in that: the gas nozzle central integration is equipped with
The circular orientation portion of protrusion, circular orientation portion outer diameter are greater than the opening of block.
8. air valve type according to claim 6 balances explosion-proof valve, it is characterised in that: the circular orientation portion of the gas nozzle and gear
Plain washer is equipped between block.
9. air valve type according to any one of claim 1 to 8 balances explosion-proof valve, it is characterised in that: the circular membrane paper
For e-PTFE material film.
10. air valve type according to claim 9 balances explosion-proof valve, it is characterised in that: first sealing structure, interior sealing
Circle and exterior seal ring are rubber or silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820929507.9U CN208381409U (en) | 2018-06-15 | 2018-06-15 | A kind of air valve type balance explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820929507.9U CN208381409U (en) | 2018-06-15 | 2018-06-15 | A kind of air valve type balance explosion-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381409U true CN208381409U (en) | 2019-01-15 |
Family
ID=64967654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820929507.9U Expired - Fee Related CN208381409U (en) | 2018-06-15 | 2018-06-15 | A kind of air valve type balance explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410524A (en) * | 2019-07-31 | 2019-11-05 | 余荣芳 | A kind of triple valve convenient for detecting air-tightness |
-
2018
- 2018-06-15 CN CN201820929507.9U patent/CN208381409U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410524A (en) * | 2019-07-31 | 2019-11-05 | 余荣芳 | A kind of triple valve convenient for detecting air-tightness |
| CN110410524B (en) * | 2019-07-31 | 2020-12-15 | 安徽谨铭连接系统有限公司 | Three-way valve convenient to detect gas tightness |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20200615 |