CN207470863U - A kind of type of respiration valve - Google Patents
A kind of type of respiration valve Download PDFInfo
- Publication number
- CN207470863U CN207470863U CN201721312975.3U CN201721312975U CN207470863U CN 207470863 U CN207470863 U CN 207470863U CN 201721312975 U CN201721312975 U CN 201721312975U CN 207470863 U CN207470863 U CN 207470863U
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- CN
- China
- Prior art keywords
- spool
- valve
- container
- valve body
- hole
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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.)
- Expired - Fee Related
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- Safety Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model is related to a kind of type of respiration valves, including spool, valve body and valve deck, the spool is movably arranged on the inner cavity of valve body, and the valve deck is bolted on valve body, and one end of valve rod is movably set on the valve body, the other end connection spool of the valve rod, spring is cased on the valve rod, one end of the spring is fixed on valve deck, and the other end is fixed on spool, channel is provided on the spool, through-hole and lower through-hole are provided on the side wall of the valve body.Pass through moving up and down for spool; when forming negative pressure in container; the inner cavity of container is in communication with the outside by channel and upper through-hole; extraneous gas is filled into the inner cavity of container; when formation positive pressure needs to release in container, the bottom end of spool rises to the upper end of lower through-hole, and the inner cavity of container is in communication with the outside by lower through-hole; the positive pressure of inner cavity is released away, can be achieved at the same time overpressure protection and container release pressure medium when automatic compensation function.
Description
Technical field
The utility model belongs to valve technology field more particularly to a kind of type of respiration valve.
Background technology
Breather valve is to safeguard that cartridge gas pressure balances, and reduces the energy-saving safe product of medium volatilization, breather valve makes full use of storage
The bearing capacity of tank in itself reduces media discharge, and principle controlled using the weight of positive/negative-pressure valve discStorage tankExhaust just
Pressure and intake negative-pressure；When extracting medium out outside toward tank, decline the pressure of the tank internal upper part gas compartment, the operation for reaching breather valve is born
During pressure, the air outside tank will be open-topBreather valveNegative pressure valve disc it is open-top, ambient atmos is made to enter in tank, are made in tankPressureNo longer
Continue to decline, allow in tank with the air pressure balance outside tank, to protect the safety device of storage tank.
Patent No. CN2695747, the applying date is2004-04-30, a kind of breather valve is disclosed, including valve body, valve
Seat and spool, it is characterised in that：Further include sealing ring, expiration spring and air-breathing spring；What the valve seat was contacted with spool
End face is equipped with the baltimore groove of installation sealing ring, and valve seat center is equipped with the pilot hole coordinated with the spool, valve seat inside
Equipped with pilot hole it is coaxial, place the two-stage step of expiration spring and air-breathing spring；The sealing ring simultaneously with it is described
Sealing surface fitting on sealing surface and the valve body on spool.
Above-mentioned patent is coordinated by spool using the sealing ring on the axial seal structure and valve seat of axial force distribution, and valve
Body is then coordinated using cone structure and sealing ring, that is, ensures the safety of container, and can guarantee protection and the safety of container product.
But when container releases pressure, extraneous air can not be added in container, need that valve supplement appearance is installed outside container
Negative pressure in device, it is impossible to be used alone and realize that positive pressure is released the function of being sucked with negative pressure in closed container.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of type of respiration valve,
It can realize that positive pressure is released the function of being sucked with negative pressure in closed container.
To achieve the above object, the technical solution adopted in the utility model is as follows.
A kind of type of respiration valve, including spool, valve body and valve deck, it is characterised in that：The spool is movably arranged on valve body
Inner cavity, the valve deck is bolted on valve body, and one end of valve rod is movably set on the valve body, the valve rod
The other end connects spool, is cased with spring on the valve rod, one end of the spring is fixed on valve deck, and the other end is fixed on spool
On, channel is provided on the spool, through-hole and lower through-hole are provided on the side wall of the valve body.
The madial wall of the valve body sets the restricted up and down upper fixture block of spool and lower fixture block.
The upper fixture block and lower fixture block are damper.
The gas vent that valve deck inner cavity is in communication with the outside is provided on the valve deck.
The channel is into " L " type.
Using the utility model has the advantage of.
1st, moving up and down by spool, when forming negative pressure in container, spool moves down, and the inner cavity of container, which passes through, to be led to
Road and upper through-hole are in communication with the outside, and extraneous gas is filled into the inner cavity of container, when formation positive pressure needs to release in container, valve
Core moves up, and the bottom end of spool rises to the upper end of lower through-hole, and the inner cavity of container is in communication with the outside by lower through-hole, inner cavity
Positive pressure is released away, have the function of autobarotropy release, the sucking of pressurize and negative pressure, can be achieved at the same time positive pressure and release and negative pressure
The advantages of function of sucking, the inside and outside pressure of autobalance container, safety is good, and maintenance cost is low.
2nd, it is up and down by upper fixture block and lower fixture block limitation spool, prevent spool is up and down from going beyond the scope to equipment
Loss, reduces maintenance cost.
3rd, the impact force of spool and upper fixture block and lower fixture block is reduced by damper, vibrations are small.
4th, by gas vent by the cavity formed between the inner wall of the lower end and valve body of the upper end of spool and valve deck with it is extraneous
Connection is kept, avoid the pressure of cavity excessive or too small spool is moved to form resistance.
5th, by using the channel of " L " type, positive pressure release or negative pressure suction process in, form the logical of blocking buffering
Road is avoided forming surrounding and be injured.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Structure diagram when Fig. 2 releases for the utility model positive pressure.
Structure diagram when Fig. 3 is sucked for the utility model negative pressure.
It is marked in figure：1st, spool, 2, channel, 3, upper through-hole, 4, lower through-hole, 5, valve body, 6, spring, 7, valve rod, 8, upper card
Block, 9, lower fixture block, 10, valve deck, 11, gas vent.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figures 1 to 3, a kind of type of respiration valve, including spool 1, valve body 5 and valve deck 10, the 1 activity setting of spool
In the inner cavity of valve body 5, the valve deck 10 is bolted on valve body 5, and the one of valve rod 7 is movably set on the valve body 5
End, the other end of the valve rod 7 connect spool 1, are cased with spring 6 on the valve rod 7, one end of the spring 6 is fixed on valve deck
On 10, the other end is fixed on spool 1, and channel 2 is provided on the spool 1, through-hole is provided on the side wall of the valve body 5
3 and lower through-hole 4.
By moving up and down for spool 1, when forming negative pressure in container, spool 1 moves down, spring 6 with spool 1 to
Lower mobile stretching, the inner cavity of container are in communication with the outside by channel 2 and upper through-hole 3, and extraneous gas is filled into the inner cavity of container,
After inside and outside pressure is parallel, under the recovery pulling force effect of spring 6, spool 1 is pulled up by spring 6, the outer wall of spool 1
Through-hole 3 in sealing, when formation positive pressure needs to release in container, spool 1 moves up, and spring 6 moves up pressure with spool 1
Contracting, the bottom end of spool 1 rise to the upper end of lower through-hole 4, and the inner cavity of container is in communication with the outside by lower through-hole 4, the positive pressure of inner cavity
It releases away, after inside and outside pressure is parallel, under the recovery compression force of spring 6, spool 1 is pushed down on by spring 6,
The outer wall sealing lower through-hole 4 of spool 1, has the function of that autobarotropy is released, pressurize and negative pressure suck, can be achieved at the same time positive pressure
It releases the function of being sucked with negative pressure, the advantages of the inside and outside pressure of autobalance container, safety is good, and maintenance cost is low.
Embodiment 2
As shown in Figures 1 to 3, a kind of type of respiration valve, including spool 1, valve body 5 and valve deck 10, the 1 activity setting of spool
In the inner cavity of valve body 5, the valve deck 10 is bolted on valve body 5, and the one of valve rod 7 is movably set on the valve body 5
End, the other end of the valve rod 7 connect spool 1, are cased with spring 6 on the valve rod 7, one end of the spring 6 is fixed on valve deck
On 10, the other end is fixed on spool 1, and channel 2 is provided on the spool 1, through-hole is provided on the side wall of the valve body 5
3 and lower through-hole 4.
The madial wall of the valve body 5 sets the restricted up and down upper fixture block 8 of spool 1 and lower fixture block 9.
The upper fixture block 8 and lower fixture block 9 are damper.
By moving up and down for spool 1, when forming negative pressure in container, spool 1 moves down, spring 6 with spool 1 to
Lower mobile stretching, the inner cavity of container are in communication with the outside by channel 2 and upper through-hole 3, and extraneous gas is filled into the inner cavity of container,
After inside and outside pressure is parallel, under the recovery pulling force effect of spring 6, spool 1 is pulled up by spring 6, the outer wall of spool 1
Through-hole 3 in sealing, when formation positive pressure needs to release in container, spool 1 moves up, and spring 6 moves up pressure with spool 1
Contracting, the bottom end of spool 1 rise to the upper end of lower through-hole 4, and the inner cavity of container is in communication with the outside by lower through-hole 4, the positive pressure of inner cavity
It releases away, after inside and outside pressure is parallel, under the recovery compression force of spring 6, spool 1 is pushed down on by spring 6,
The outer wall sealing lower through-hole 4 of spool 1, has the function of that autobarotropy is released, pressurize and negative pressure suck, can be achieved at the same time positive pressure
It releases the function of being sucked with negative pressure, the advantages of the inside and outside pressure of autobalance container, safety is good, and maintenance cost is low.
It is up and down by upper fixture block 8 and lower fixture block 9 limitation spool 1, prevent spool 1 is up and down from going beyond the scope to equipment
Loss, reduce maintenance cost.
9 impact forces of spool 1 and upper fixture block 8 and lower fixture block are reduced by damper, vibrations are small.
Embodiment 3
As shown in Figures 1 to 3, a kind of type of respiration valve, including spool 1, valve body 5 and valve deck 10, the 1 activity setting of spool
In the inner cavity of valve body 5, the valve deck 10 is bolted on valve body 5, and the one of valve rod 7 is movably set on the valve body 5
End, the other end of the valve rod 7 connect spool 1, are cased with spring 6 on the valve rod 7, one end of the spring 6 is fixed on valve deck
On 10, the other end is fixed on spool 1, and channel 2 is provided on the spool 1, through-hole is provided on the side wall of the valve body 5
3 and lower through-hole 4.
The madial wall of the valve body 5 sets the restricted up and down upper fixture block 8 of spool 1 and lower fixture block 9.
The upper fixture block 8 and lower fixture block 9 are damper.
The gas vent 11 that 10 inner cavity of valve deck is in communication with the outside is provided on the valve deck 10.
The channel 2 is into " L " type.
By moving up and down for spool 1, when forming negative pressure in container, spool 1 moves down, spring 6 with spool 1 to
Lower mobile stretching, the inner cavity of container are in communication with the outside by channel 2 and upper through-hole 3, and extraneous gas is filled into the inner cavity of container,
After inside and outside pressure is parallel, under the recovery pulling force effect of spring 6, spool 1 is pulled up by spring 6, the outer wall of spool 1
Through-hole 3 in sealing, when formation positive pressure needs to release in container, spool 1 moves up, and spring 6 moves up pressure with spool 1
Contracting, the bottom end of spool 1 rise to the upper end of lower through-hole 4, and the inner cavity of container is in communication with the outside by lower through-hole 4, the positive pressure of inner cavity
It releases away, after inside and outside pressure is parallel, under the recovery compression force of spring 6, spool 1 is pushed down on by spring 6,
The outer wall sealing lower through-hole 4 of spool 1, has the function of that autobarotropy is released, pressurize and negative pressure suck, can be achieved at the same time positive pressure
It releases the function of being sucked with negative pressure, the advantages of the inside and outside pressure of autobalance container, safety is good, and maintenance cost is low.
It is up and down by upper fixture block 8 and lower fixture block 9 limitation spool 1, prevent spool 1 is up and down from going beyond the scope to equipment
Loss, reduce maintenance cost.
9 impact forces of spool 1 and upper fixture block 8 and lower fixture block are reduced by damper, vibrations are small.
By gas vent 11 by the cavity formed between the inner wall of the lower end and valve body 5 of the upper end of spool 1 and valve deck 10 with
The external world keeps connection, avoids the pressure of cavity 5 excessive or too small moved to spool 1 forms resistance.
By using the channel 2 of " L " type, positive pressure release or negative pressure suction process in, form the channel of blocking buffering
2, it avoids forming surrounding and injure.
Embodiment described above only expresses the specific embodiment of the application, and description is more specific and detailed, but simultaneously
Cannot the limitation to the application protection domain therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of technical scheme design is not departed from, various modifications and improvements can be made, these belong to this
The protection domain of application.
Claims (5)
1. a kind of type of respiration valve, including spool（1）, valve body（5）And valve deck（10）, it is characterised in that：The spool（1）Activity
It is arranged on valve body（5）Inner cavity, the valve deck（10）It is bolted in valve body（5）On, the valve body（5）Upper activity setting
There is valve rod（7）One end, the valve rod（7）The other end connection spool（1）, the valve rod（7）On be cased with spring（6）, it is described
Spring（6）One end be fixed on valve deck（10）On, the other end is fixed on spool（1）On, the spool（1）On be provided with channel
（2）, the valve body（5）Side wall on be provided with through-hole（3）And lower through-hole（4）.
2. a kind of type of respiration valve as described in claim 1, it is characterised in that：The valve body（5）Madial wall setting it is limited
Spool processed（1）Up and down upper fixture block（8）With lower fixture block（9）.
3. a kind of type of respiration valve as claimed in claim 2, it is characterised in that：The upper fixture block（8）With lower fixture block（9）It is
Damper.
4. a kind of type of respiration valve as described in claim 1, it is characterised in that：The valve deck（10）On be provided with valve deck
（10）The gas vent that inner cavity is in communication with the outside（11）.
5. a kind of type of respiration valve as described in claim 1, it is characterised in that：The channel（2）Into " L " type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312975.3U CN207470863U (en) | 2017-10-12 | 2017-10-12 | A kind of type of respiration valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312975.3U CN207470863U (en) | 2017-10-12 | 2017-10-12 | A kind of type of respiration valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207470863U true CN207470863U (en) | 2018-06-08 |
Family
ID=62267679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721312975.3U Expired - Fee Related CN207470863U (en) | 2017-10-12 | 2017-10-12 | A kind of type of respiration valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207470863U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058565A (en) * | 2018-11-05 | 2018-12-21 | 成都华科阀门制造有限公司 | A kind of novel quick valve with unloaded equilibrium function |
| CN109045500A (en) * | 2018-07-23 | 2018-12-21 | 东莞市先马机电有限公司 | A kind of breathing equipment |
| CN109253292A (en) * | 2018-11-28 | 2019-01-22 | 大连英蕴科技有限公司 | A kind of ship vent valve and air pressure balance method |
| CN109758153A (en) * | 2019-01-30 | 2019-05-17 | 上海长征医院 | Full nasal cavity pneumatic test set and its application method |
-
2017
- 2017-10-12 CN CN201721312975.3U patent/CN207470863U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045500A (en) * | 2018-07-23 | 2018-12-21 | 东莞市先马机电有限公司 | A kind of breathing equipment |
| CN109058565A (en) * | 2018-11-05 | 2018-12-21 | 成都华科阀门制造有限公司 | A kind of novel quick valve with unloaded equilibrium function |
| CN109058565B (en) * | 2018-11-05 | 2024-03-26 | 成都华科阀门制造有限公司 | Quick valve with no-load balancing function |
| CN109253292A (en) * | 2018-11-28 | 2019-01-22 | 大连英蕴科技有限公司 | A kind of ship vent valve and air pressure balance method |
| CN109253292B (en) * | 2018-11-28 | 2023-11-03 | 大连英蕴科技有限公司 | Air-permeable valve for ship and air pressure balancing method |
| CN109758153A (en) * | 2019-01-30 | 2019-05-17 | 上海长征医院 | Full nasal cavity pneumatic test set and its application method |
| CN109758153B (en) * | 2019-01-30 | 2024-04-02 | 上海长征医院 | Full nasal cavity air pressure detection equipment and application method thereof |
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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: 20180608 Termination date: 20211012 |