CN109899593A - A kind of cryogenic insulated cylinder safety valve solar term seat - Google Patents
A kind of cryogenic insulated cylinder safety valve solar term seat Download PDFInfo
- Publication number
- CN109899593A CN109899593A CN201711283819.3A CN201711283819A CN109899593A CN 109899593 A CN109899593 A CN 109899593A CN 201711283819 A CN201711283819 A CN 201711283819A CN 109899593 A CN109899593 A CN 109899593A
- Authority
- CN
- China
- Prior art keywords
- spool
- cavity
- safety valve
- air outlet
- insulated cylinder
- 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.)
- Pending
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Safety Valves (AREA)
Abstract
The present invention provides a kind of cryogenic insulated cylinder safety valve solar term seat, including valve body, reset spring, spool, air outlet adapter, valve body front end is equipped with air inlet cavity and rear end is equipped with mobile cavity, air inlet cavity is connected to mobile cavity, outlet cavity is equipped in air outlet adapter and front end is connect with valve rear end, spool and reset spring are located in mobile cavity, wherein one end of reset spring is pressed on valve body, the other end of reset spring is pressed on the front end of spool, spool trailing end outer diameter is greater than the internal diameter of outlet cavity, and spool is equipped with spool venting channels, spool venting channels one end is communicated with mobile cavity, the other end is close to air outlet adapter.The present invention can be when unloading safety valve, solar term seat seals the gas circuit that gas is released in cryogenic insulated cylinder automatically, and when loading onto the safety valve of new verification qualification, solar term seat automatically opens gas gas circuit, Gas Energy Source is not only saved, it is thus also avoided that flammable explosive gas discharges the risk to lead to a disaster.
Description
Technical field
The present invention relates to safety valve field, especially a kind of cryogenic insulated cylinder safety valve solar term seat.
Background technique
Cryogenic insulated cylinder divides industrial gasses, liquefied natural gas and automobile liquefied natural gas bottle, it is as mobile
Pressure vessel is widely applied to the various fields such as biology, medicine, chemical industry, machinery, metallurgy, traffic.Cryogenic insulated cylinder safety
The valve safety attachment important as cryogenic insulated cylinder, plays the role of safeguard protection, and cryogenic insulated cylinder safety valve needs fixed
Phase verification, existing periodic check method are to dismantle lower safety valve, then after being directly vented the gas in cryogenic insulated cylinder
The qualified safety valve of new verification is changed, this way is not only the waste to Gas Energy Source, encounters inflammable and explosive gas, also
In the presence of the serious risk to lead to a disaster.
To solve the above-mentioned problems, one kind is structurally reasonable, service life is long, the reliable cryogenic insulated cylinder safety of safety
Valve solar term seat becomes the research hotspot of this field.
Summary of the invention
In order to overcome the technical problems existing in the prior art, the present invention provides a kind of gas that need not be discharged in gas cylinder i.e.
The cryogenic insulated cylinder safety valve solar term seat that safety valve can be unloaded to be detected.
The technical solution for realizing the aim of the invention is as follows: a kind of cryogenic insulated cylinder safety valve solar term seat, including valve body,
Reset spring, spool, air outlet adapter, valve body front end is equipped with air inlet cavity and rear end is equipped with mobile cavity, air inlet cavity and mobile cavity
It being connected to, is equipped with outlet cavity in air outlet adapter and front end is connect with valve rear end, spool and reset spring are located in mobile cavity,
One end of middle reset spring is pressed on valve body, and the other end of reset spring is pressed on the tail end of spool, and spool front end external diameter is big
In the internal diameter of outlet cavity, and spool is equipped with spool venting channels, and spool venting channels one end is communicated with mobile cavity, the other end and
Air outlet adapter wall is close to.
Compared with prior art, the present invention its remarkable advantage: when (1) detecting safety valve, without unloading safety valve, solar term seat
Automatically the gas circuit that gas in cryogenic insulated cylinder is released is sealed, when loading onto the safety valve of new verification qualification, solar term seat is beaten automatically
Gas gas circuit is opened, Gas Energy Source has not only been saved, it is thus also avoided that flammable explosive gas discharges the risk to lead to a disaster；(2) this hair
Bright structure is simple, and cost is relatively low, processing easy to produce.
Detailed description of the invention
Fig. 1 is cryogenic insulated cylinder safety valve solar term seat sectional view；
Fig. 2 is the cryogenic insulated cylinder safety valve solar term seat sectional view with safety valve；
Fig. 3 is cryogenic insulated cylinder safety valve solar term seat sectional axonometric drawing.
Specific embodiment
With reference to the accompanying drawing, cryogenic insulated cylinder safety valve solar term provided by the invention are described in detail by embodiment
Seat.It should be understood that these implementations are only illustrative of the invention and is not intended to limit the scope of the invention.
A kind of cryogenic insulated cylinder safety valve solar term seat of the present invention, including valve body 1, reset spring 3, spool 4, go out
Gas connector 11,1 front end of valve body is equipped with air inlet cavity 2 and rear end is equipped with mobile cavity 5, and air inlet cavity 2 is connected to mobile cavity 5, outlet
Outlet cavity 12 is equipped in connector 11 and front end is connect with 1 rear end of valve body, spool 4 and reset spring 3 are located in mobile cavity 5,
One end of middle reset spring 3 is pressed on valve body 1, and the other end of reset spring 3 is pressed on the tail end of spool 4, spool 4 it is outer
Diameter is greater than the internal diameter of outlet cavity 12.Spool 4 can move back and forth in the mobile cavity 5 of valve body 1, control air inlet cavity 2 and go out
The connection and isolation of gas cavity 12.
The present invention is in use, cryogenic insulated cylinder safety valve solar term seat inlet port is mounted on cryogenic insulated cylinder, out
Cryogenic insulated cylinder safety valve is installed at port end, when safety valve 14 screws in solar term seat outlet 12 internal screw thread of cavity, safety valve 14
It is mobile to gas cylinder direction in mobile cavity 5 to head on spool 4, separates spool 4 and air outlet adapter 11, air inlet cavity 2, mobile cavity 5
Venting channels are formed with outlet cavity 12.When normal use, the pressure of cryogenic insulated cylinder internal gas is straight by venting channels
It connects and acts on safety valve 14；When 14 periodic check of safety valve needs replacing, it is not necessary that the gas in cryogenic insulated cylinder is put
Sky directly removes safety valve 14, at this time spool 4 due to the gentle pressure in the bottle of reset spring 3 effect reset, with air outlet adapter 11
Sealing function is played in tight fit, blocks the gas in cryogenic insulated cylinder.After loading onto the qualified safety valve 14 of new verification,
Safety valve 14 elapses spool 4 in mobile cavity 5 backward, separates spool 4 and air outlet adapter 11, venting channels are opened, low temperature
The pressure of insulated gas cylinder internal gas is acted directly on safety valve 14 by venting channels.
Specifically, valve body 1 is stepped as shown in Fig. 1 and Fig. 2, front end external diameter is less than rear end outer diameter, and front end is in insertion tube
Shape, front end outer wall are equipped with the external screw thread connecting with cryogenic insulated cylinder, can be with screw threads for fastening in precession gas cylinder；Valve body 1 is hollow, interior
There are two cavitys, i.e. air inlet cavity 2 and mobile cavity 5 in portion, and two cavitys are connected, and air inlet cavity 2 is connected to gas cylinder cavity；Valve
Internal screw thread is arranged in the inner wall of 1 rear end mobile cavity 5 of body.11 front end of air outlet adapter is in insertion tube shape, and external screw thread, air outlet adapter is arranged in outer wall
In the mobile cavity 5 of 11 front end precession valve bodies 1, it is connected through a screw thread fastening with valve body 1, and close with gasket seal 10 in junction
Envelope；The hollow formation outlet cavity 12 of air outlet adapter 11,12 rear end inner wall of outlet cavity are equipped with screw thread, can be with cryogenic insulated cylinder
14 screw threads for fastening of safety valve, and sealing ring 13 is set in air outlet adapter 11 and 14 junction of cryogenic insulated cylinder safety valve.
Spool 4 and reset spring 3 are located in mobile cavity 5, and wherein one end of reset spring 3 is fixed on 1 inner wall of valve body, multiple
The other end of position spring 3 is fixed on the tail end of spool 4, and the outer diameter of spool 4 is communicated with the internal diameter of mobile cavity 5, can be in valve body 1
It is moved back and forth in mobile cavity 5,4 front end of spool is pressed on 11 wall of air outlet adapter, and 4 outer diameter of spool is greater than the interior of outlet cavity 12
Diameter, spool 4 are equipped with the spool venting channels 6 for being parallel to axis.In normal use, spool venting channels 6 are connected to mobile cavity 5
With outlet cavity 12；In maintenance safety valve 14, since the outer diameter of spool 4 is greater than the internal diameter of outlet cavity 12, spool ventilation is logical
The one end 4 in road 6 is tightly attached on the wall of air outlet adapter 11, and mobile cavity 5 and outlet cavity 12 is separated.
4 tail end of spool is equipped with the plug 9 of grafting tubular, and 9 outer diameter of plug is identical as 12 internal diameter of outlet cavity, and plug 9 is hollow
And wall is equipped with more than one spool gas vent 9.1, when assembly, the plug 9 is connected to the outlet cavity 12 of air outlet adapter 11
It is interior.In normal use, spool venting channels 6 are connected to mobile cavity 5 and outlet cavity 12 with spool gas vent 9.1；Pacify in maintenance
When full valve 14, since the outer diameter of spool 4 is greater than the internal diameter of outlet cavity 12, one end of spool venting channels 6 is tightly attached to outlet and connects
It is on first 11 wall, mobile cavity 5 and outlet cavity 12 is separated.
11 front end of air outlet adapter is equipped with the valve seat 8 of protrusion, and 4 top of spool is provided with flap 7, in normal use, is pacifying
Under the active force of full valve 14, air outlet adapter 11 is separated with spool 4, and valve seat 8 is separated with flap 4, and mobile cavity 5 and outlet cavity 12 are logical
Spool venting channels 6 are crossed to be connected to spool gas vent 9, when detecting state, spool 4 gas pressure and reset spring in gas cylinder
Under 3 active force, flap 7 is pressed on valve seat 8, separates mobile cavity 5 and outlet cavity 12.
Using the cryogenic insulated cylinder safety valve solar term seat for the preferred embodiment of the present invention being described in conjunction with the accompanying above, realize
Gas cylinder is connected to safety valve and isolated function, but realizes that technical effect of the invention is not limited to aforesaid way.The present invention
Basic ideas be to provide a kind of solar term seat, cavity is equipped with inside solar term seat, and the cavity is gas cylinder cavity and safety valve
Interface channel, spool and Flexible Reset component are equipped in solar term seat cavity, spool under the effect of external force can be in solar term seat
Move back and forth in cavity, control gas cylinder gas circuit and the connection of safety valve be isolated, realize the gas not having to discharge in gas cylinder in turn
The function of safety valve can be replaced.This implementation has very much, for example, solar term seat and not including plug 9, but safety valve 14
But the structure comprising similar valve opening function is inserted on the position of outlet cavity 12, as long as can make mobile cavity 5 and outlet cavity
12 structures being connected, should all fall within the scope of protection of the present invention.
Claims (5)
1. a kind of cryogenic insulated cylinder safety valve solar term seat, it is characterised in that: including valve body (1), reset spring (3), spool
(4), air outlet adapter (11), valve body (1) hollow front end is equipped with air inlet cavity (2) and rear end is equipped with mobile cavity (5), air outlet adapter
(11) outlet cavity (12) are equipped in and front end is connect with valve body (1) rear end, spool (4) and reset spring (3) are located at mobile cavity
(5) in, wherein one end of reset spring (3) is pressed on valve body (1), and the other end of reset spring (3) is pressed on spool (4)
Tail end, spool (4) front end are pressed on air outlet adapter (11) wall, and spool (4) outer diameter is greater than the internal diameter of outlet cavity (12), spool
(4) spool venting channels (6) are equipped with, spool venting channels (6) one end is communicated with mobile cavity, the other end and air outlet adapter (11) wall
It is close to.
2. a kind of cryogenic insulated cylinder safety valve solar term seat according to claim 1, it is characterised in that: valve body (1) rear end
Internal screw thread is arranged in inner wall, and external screw thread is arranged in air outlet adapter (11) front end outer wall, and valve body (1) is threadedly coupled with air outlet adapter (11),
And it is sealed in junction with gasket seal (10).
3. a kind of cryogenic insulated cylinder safety valve solar term seat according to claim 1 or 2, it is characterised in that: spool (4) tail
End is equipped with the plug (9) of grafting tubular, and plug (9) is hollow and wall is equipped with more than one spool gas vent (9.1), assembly
When, the plug (9) is connected in the outlet cavity (12) of air outlet adapter (11).
4. a kind of cryogenic insulated cylinder safety valve solar term seat according to claim 3, it is characterised in that: air outlet adapter (11)
Front end is equipped with the valve seat (8) of protrusion, and spool (4) tail end is provided with flap (7), and flap (7) is pressed under the action of reset spring (3)
Tightly on valve seat (8).
5. a kind of cryogenic insulated cylinder safety valve solar term seat according to claim 3, it is characterised in that: valve body (1) front end
Outer wall is equipped with the external screw thread connecting with cryogenic insulated cylinder, and air outlet adapter (11) inner wall is equipped with and cryogenic insulated cylinder safety valve
(14) internal screw thread connected, in air outlet adapter (11) and cryogenic insulated cylinder safety valve (14) junction setting sealing ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711283819.3A CN109899593A (en) | 2017-12-07 | 2017-12-07 | A kind of cryogenic insulated cylinder safety valve solar term seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711283819.3A CN109899593A (en) | 2017-12-07 | 2017-12-07 | A kind of cryogenic insulated cylinder safety valve solar term seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109899593A true CN109899593A (en) | 2019-06-18 |
Family
ID=66939028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711283819.3A Pending CN109899593A (en) | 2017-12-07 | 2017-12-07 | A kind of cryogenic insulated cylinder safety valve solar term seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109899593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510414A (en) * | 2019-08-29 | 2019-11-29 | 燕山大学 | Circuluting puls distributing valve and pipeline pulsation air-transport system |
-
2017
- 2017-12-07 CN CN201711283819.3A patent/CN109899593A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510414A (en) * | 2019-08-29 | 2019-11-29 | 燕山大学 | Circuluting puls distributing valve and pipeline pulsation air-transport system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106958686A (en) | A kind of gas control air bleeding valve | |
| US9050866B2 (en) | Sealant bottle for tire repair of gas pressure type | |
| CN103080618A (en) | High-pressure connection | |
| CN105864541B (en) | Connector | |
| CN203926962U (en) | A kind of cryogenic insulated cylinder safety valve solar term seat | |
| CN109899593A (en) | A kind of cryogenic insulated cylinder safety valve solar term seat | |
| CN103759068A (en) | Gas saving base of safety valve of low temperature heat insulation gas cylinder | |
| CN203686340U (en) | Throttling base for safety valve of low-temperature heat insulation gas cylinder | |
| CN201866260U (en) | High-pressure air-operated valve | |
| CN209278556U (en) | Hydrogen-feeding system integral type regulator | |
| JP5590584B1 (en) | Gas pressure type tire repair sealant bottle | |
| CN206476088U (en) | A kind of aerostatics utricule impulse joint | |
| CN101463942A (en) | Gas container and unidirectional three-way valve for high-pressure air feed | |
| CN101968135B (en) | Integrated safety valve for high-pressure air long-tube semi-trailer | |
| CA2810034C (en) | Sealant bottle for tire repair of gas pressure type | |
| CN102966770A (en) | Elastic rubber type check valve for multi-dust environment | |
| CN207229845U (en) | T-shaped check-valves | |
| CN207364305U (en) | A kind of Septenary-fluorine propane container valve | |
| KR101384864B1 (en) | High pressure valve | |
| CN203906821U (en) | Small-angle-opening stop valve for compressed natural gas | |
| CN215721070U (en) | Self-adaptive exhaust device | |
| CN210533620U (en) | Quick-screwing sealing plug for detecting air tightness of tray of battery tray water nozzle air inlet | |
| CN203516864U (en) | Low-leakage high-seal valve | |
| CN201293200Y (en) | Pressure container | |
| CN203743512U (en) | Air seal for low-temperature safety valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190618 |