CN207064744U - A kind of non-refillable steel welded cylinder safety valve - Google Patents
A kind of non-refillable steel welded cylinder safety valve Download PDFInfo
- Publication number
- CN207064744U CN207064744U CN201720909643.7U CN201720909643U CN207064744U CN 207064744 U CN207064744 U CN 207064744U CN 201720909643 U CN201720909643 U CN 201720909643U CN 207064744 U CN207064744 U CN 207064744U
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- China
- Prior art keywords
- plug screw
- valve
- steel welded
- safety valve
- welded cylinder
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Abstract
It the utility model is related to a kind of non-refillable steel welded cylinder safety valve, it is characterised in that：The valve body being connected including valve seat, with valve seat and the plug screw being connected with valve body, pressure release passage is provided with described valve body, the pressure release passage is provided with pressure relief opening, UNICOM's pressure release passage and the plug screw mouth in the external world are provided with described plug screw, valve element is connected with described pressure relief opening, elastic component is provided between the valve element and plug screw, the elastic component is in compressive state；The utility model is：Non-refillable steel welded cylinder safety valve of the existing steel cylinder with explosion chip architecture, raising non-refillable steel welded cylinder security performance and the adaptive pressure release steel pressure in the bottle of energy can be substituted.
Description
Technical field
It the utility model is related to a kind of non-refillable steel welded cylinder safety valve.
Background technology
At present, rupture disk is installed on non-refillable steel welded cylinder（Pressure relief device）To realize that the safety to steel cylinder makes
With when the rise of the steel pressure in the bottle reaches the specified burst pressure force value of rupture disk, rupture disk will rupture startups, Jie in discharge steel cylinder
Matter, so as to prevent steel cylinder blast from producing more serious harm.But there is following 4 points uses for the steel cylinder of this explosion chip
Defect：
If the 1st, the structure interior of steel bottle fills the media such as flammable or flammable refrigerants such as R32, R1234yf, in fire hazard environment
Under, because the superpressure of rupture disk starts, the loss of fire can be increased；
2nd, can not be closed once rupture disk ruptures, the refrigerant in steel cylinder is because pressure will all be leaked to greatly air
In, cause economic loss and the pollution to environment.
3rd, refrigerant can be sprayed with most fast speed out of steel cylinder when rupture disk ruptures, and liquid moment, which becomes gas, to be taken away
Substantial amounts of heat, the risk for causing operator's frostbite be present.
If the 4, the steel cylinder of the structure is there occurs the situation generation that rupture disk starts during work high above the ground, meeting is because of gas
Substantial amounts of spray and sitting block power after producing, there may be the risk of falling from high altitude.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide and a kind of can substitute existing steel cylinder with quick-fried
Fragmentation structure, the non-refillable steel welded cylinder use for improving non-refillable steel welded cylinder security performance and the adaptive pressure release steel pressure in the bottle of energy
Safety valve.
What the technical solution of the utility model was realized in：A kind of non-refillable steel welded cylinder safety valve, its feature exist
In：The valve body being connected including valve seat, with valve seat and the plug screw being connected with valve body, pressure release passage is provided with described valve body, should
Pressure release passage is provided with pressure relief opening, and UNICOM's pressure release passage and the plug screw mouth in the external world, described pressure release are provided with described plug screw
Valve element is connected with mouthful, is provided with elastic component between the valve element and plug screw, the elastic component is in compressive state.
The utility model is further arranged to, and block is provided with described plug screw mouth, the bottom surface of the block and plug screw
UNICOM's plug screw mouth and the pressure release branch road in the external world are provided between upper surface.
The utility model is further arranged to, and described valve element, should towards rubber cushion blocks are connected with the side of pressure relief opening
Rubber cushion blocks are covered at pressure relief opening.
The utility model is further arranged to, and described elastic component is spring.
The utility model is further arranged to, and is used and is threadedly coupled between described valve body and valve seat, and the screw thread of valve body
O-ring seal is provided between end and valve seat.
The utility model is further arranged to, and is used and is threadedly coupled between described plug screw and valve body.
The utility model is further arranged to, and described plug screw is towards being provided with the of the positioning of ammunition feed spring on the side of valve element
One locating ring.
The utility model is further arranged to, and described valve element is towards being provided with the of the positioning of ammunition feed spring on the side of plug screw
Two locating rings.
By using above-mentioned technical proposal, safety valve, which is installed in steel cylinder, has advantages below：Substantially increase steel cylinder
Security performance, instead of existing steel cylinder explosion chip architecture, and the steel cylinder with the safety valve is once pressure in the bottle rise reaches
Off-load will be opened to setting value safety valve, when pressure is less than the load pressure of safety valve and closes, thing is filled in steel cylinder
It would not completely reveal, reduce economic loss and the destruction to environment；Filled in steel cylinder with the safety valve it is flammable or
During inflammable medium, start once safety valve occurs, the media quantity leaked in air is very low, can dilute in atmosphere quickly not
It is enough on fire and triggers fire；Steel cylinder with the safety valve do not had in off-load it is a large amount of fill thing and leak out, so as to big
Big reduce fills thing and persistently leaks caused kick, and kick is low to be unlikely to not holding to drop to hurt sb.'s feelings；With the safety
Block can be filled with thing and guide downwards during the steel cylinder off-load of valve, avoid filling the direct workers exposed skin of thing and eyes, reduce
The danger of frostbite.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model embodiment structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figure 1, the utility model discloses a kind of non-refillable steel welded cylinder safety valve, including welded with steel cylinder
Valve seat 5, the valve body 1 being connected with valve seat 5 and the plug screw 6 being connected with valve body 1, it is provided with and steel cylinder intracavity phase in described valve body 1
Logical pressure release passage 11, the pressure release passage 11 are provided with pressure relief opening 12 towards steel cylinder intracavity, UNICOM are provided with described plug screw 6
Pressure release passage 11 and the plug screw mouth in the external world, are connected with valve element 3 at described pressure relief opening 12, are set between the valve element 3 and plug screw 6
Elastic component 4 is equipped with, the elastic component 4 is in compressive state, and the elastic component 4 is spring.
In the utility model specific embodiment, block 7 is provided with described plug screw mouth, the bottom surface of the block 7 and spiral shell
UNICOM's plug screw mouth and the pressure release branch road 300 in the external world are provided between the upper surface of plug 6.
In the utility model specific embodiment, described valve element 3 is towards being connected with rubber cushion blocks on the side of pressure relief opening
2, the rubber cushion blocks 2 are covered at pressure relief opening 12.
The utility model is further arranged to：Use and be threadedly coupled between described valve body 1 and valve seat 5, and the spiral shell of valve body 1
O-ring seal 8 is provided between line end and valve seat 5.
The utility model is further arranged to：Use and be threadedly coupled between described plug screw 6 and valve body 1.
The utility model is further arranged to：Described plug screw 6 is towards being provided with the positioning of ammunition feed spring on the side of valve element 3
First locating ring 400.
The utility model is further arranged to：Described valve element 3 is towards being provided with the positioning of ammunition feed spring on the side of plug screw 6
Second locating ring 500.
By using above-mentioned technical proposal, safety valve, which is installed in steel cylinder, has advantages below：Substantially increase steel cylinder
Security performance, instead of existing steel cylinder explosion chip architecture, and the steel cylinder with the safety valve is once pressure in the bottle rise reaches
Off-load will be opened to setting value safety valve, when pressure is less than the load pressure of safety valve and closes, thing is filled in steel cylinder
It would not completely reveal, reduce economic loss and the destruction to environment；Filled in steel cylinder with the safety valve it is flammable or
During inflammable medium, start once safety valve occurs, the media quantity leaked in air is very low, can dilute in atmosphere quickly not
It is enough on fire and triggers fire；Steel cylinder with the safety valve do not had in off-load it is a large amount of fill thing and leak out, so as to big
Big reduce fills thing and persistently leaks caused kick, and kick is low to be unlikely to not holding to drop to hurt sb.'s feelings；With the safety
Block can be filled with thing and guide downwards during the steel cylinder off-load of valve, avoid filling the direct workers exposed skin of thing and eyes, reduce
The danger of frostbite.
On the other hand the utility model provides a kind of adaptive pressure releasing method of non-refillable steel welded cylinder safety valve,
When the steel pressure in the bottle exceedes setting pressure, gas flows up compressing valve element by pressure relief opening and transported to plug screw direction
Dynamic, now pressure has exceeded the thrust of spring so that valve element is raised upwards, and now valve element separates with pressure relief opening, and gas is from steel cylinder
Inner chamber outflow is discharged in air by pressure release passage from plug screw mouth；When the steel pressure in the bottle is discharged into less than pressing force of the spring,
Valve element is compacted under the action of the spring, and exhaust outlet is sealed by rubber cushion blocks.
By using above-mentioned technical proposal, the adaptive pressure releasing method can realize the control to filling thing leakage rate, significantly
The situation for reducing potential safety hazard occurs.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (8)
- A kind of 1. non-refillable steel welded cylinder safety valve, it is characterised in that：The valve body and and valve body being connected including valve seat, with valve seat The plug screw of connection, pressure release passage is provided with described valve body, the pressure release passage is provided with pressure relief opening, is set on described plug screw There are UNICOM's pressure release passage and the plug screw mouth in the external world, be connected with valve element at described pressure relief opening, set between the valve element and plug screw Elastic component is equipped with, the elastic component is in compressive state.
- 2. non-refillable steel welded cylinder safety valve according to claim 1, it is characterised in that：Set at described plug screw mouth There is block, UNICOM's plug screw mouth and the pressure release branch road in the external world are provided between the bottom surface of the block and the upper surface of plug screw.
- 3. non-refillable steel welded cylinder safety valve according to claim 1 or 2, it is characterised in that：Described valve element direction Rubber cushion blocks are connected with the side of pressure relief opening, the rubber cushion blocks are covered at pressure relief opening.
- 4. non-refillable steel welded cylinder safety valve according to claim 1 or 2, it is characterised in that：Described elastic component is Spring.
- 5. non-refillable steel welded cylinder safety valve according to claim 1 or 2, it is characterised in that：Described valve body and valve Using threaded connection between seat, and O-ring seal is provided between the screw tip and valve seat of valve body.
- 6. non-refillable steel welded cylinder safety valve according to claim 1 or 2, it is characterised in that：Described plug screw and valve Using threaded connection between body.
- 7. non-refillable steel welded cylinder safety valve according to claim 4, it is characterised in that：Described plug screw is towards valve element Side on be provided with ammunition feed spring positioning the first locating ring.
- 8. non-refillable steel welded cylinder safety valve according to claim 4, it is characterised in that：Described valve element is towards plug screw Side on be provided with ammunition feed spring positioning the second locating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909643.7U CN207064744U (en) | 2017-07-25 | 2017-07-25 | A kind of non-refillable steel welded cylinder safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909643.7U CN207064744U (en) | 2017-07-25 | 2017-07-25 | A kind of non-refillable steel welded cylinder safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064744U true CN207064744U (en) | 2018-03-02 |
Family
ID=61517501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720909643.7U Active CN207064744U (en) | 2017-07-25 | 2017-07-25 | A kind of non-refillable steel welded cylinder safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064744U (en) |
-
2017
- 2017-07-25 CN CN201720909643.7U patent/CN207064744U/en active Active
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