CN211145382U - Built-in emergency cut-off valve of low-temperature storage tank - Google Patents
Built-in emergency cut-off valve of low-temperature storage tank Download PDFInfo
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- CN211145382U CN211145382U CN201921910734.8U CN201921910734U CN211145382U CN 211145382 U CN211145382 U CN 211145382U CN 201921910734 U CN201921910734 U CN 201921910734U CN 211145382 U CN211145382 U CN 211145382U
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- storage tank
- temperature storage
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Abstract
The utility model provides a built-in emergency cut-off valve for a low-temperature storage tank, which comprises a valve body arranged on the low-temperature storage tank, wherein the valve body comprises a valve seat and a valve cover, the valve seat is welded on an inner shell of the low-temperature storage tank, the valve seat is in threaded connection with the valve cover, a valve clack and a spring are arranged in the valve seat, one end of the spring is propped against the valve cover, the other end of the spring is propped against the valve clack, the valve clack is connected with a valve rod, the spring is; a main sleeve is arranged outside the valve rod and is positioned between the valve rod and the valve clack; the top of the main sleeve extends into the space between the valve rod and the spring; the valve seat is also provided with a second sleeve, the second sleeve is connected with the first sleeve through a flow channel hole, the first sleeve is communicated with the liquid outlet pipe, and a low-temperature medium flows in the first sleeve and the second sleeve. The utility model discloses a spring one end top is on the valve bonnet, and one end top is at the valve clack, and the valve clack is sealed with the sealed face contact formation of disk seat under the spring action. A sleeve is arranged between the valve rod and the valve clack, and an air seal can be formed.
Description
Technical Field
The utility model relates to mechanical equipment, concretely relates to built-in quick action emergency valve structure of low temperature storage tank.
Background
The quick action emergency valve of the low-temperature movable storage tank in the existing market is external, and when collision happens, if the collision position is just the position of the quick action emergency valve, the function of the quick action emergency valve fails. The safety function cannot be achieved.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a built-in quick action emergency valve structure of low temperature storage tank to solve the problem of above-mentioned at least one kind of technique.
The technical scheme of the utility model is that: a built-in emergency cut-off valve of a low-temperature storage tank comprises a valve body arranged on the low-temperature storage tank, wherein the valve body comprises a valve seat and a valve cover, the valve seat is welded on an inner shell of the low-temperature storage tank, the valve seat is in threaded connection with the valve cover, a valve clack and a spring are arranged in the valve seat, one end of the spring is propped against the valve cover, the other end of the spring is propped against the valve clack, the valve clack is connected with a valve rod, the spring is sleeved outside the valve rod, and the lower end part of the valve;
a main sleeve is arranged outside the valve rod and is positioned between the valve rod and the valve clack; the top of the main sleeve extends into the space between the valve rod and the spring;
the valve seat is further provided with a second sleeve, the second sleeve is connected with the first sleeve through a flow channel hole, the first sleeve is communicated with the liquid outlet pipe, and a low-temperature medium flows in the first sleeve and the second sleeve.
The utility model discloses a spring one end top is on the valve bonnet, and one end top is at the valve clack, and the valve clack is sealed with the sealed face contact formation of disk seat under the spring action. A sleeve is arranged between the valve rod and the valve clack, so that an air seal can be formed to prevent low-temperature medium from flowing into the sealing filler and damaging the sealing filler. The valve cover and the second sleeve form an air seal, when the external valve is closed, the air seal is formed at the position, the valve clack, the sleeve, the valve rod and the like are prevented from being immersed in a low-temperature medium, and external heat is reduced from being transmitted to the inside. The heat insulation capacity of the storage tank is improved.
And a sealing filler is arranged between the valve clack and the shell of the low-temperature storage tank.
And a sealing filler is arranged between the valve clack and the storage tank shell to play a role in sealing. The sealing filler of the utility model is the sealing filler sold on the market, so the utility model is not detailed.
The sealing filler may be a polytetrafluoroethylene or polytetrafluoroethylene modified material sealing filler.
The longitudinal section of the joint of the valve seat and the low-temperature storage tank is L-shaped, and a cushion block is arranged at the joint of the valve seat and the low-temperature storage tank.
The utility model discloses a thereby increase the area of contact of disk seat and low temperature storage tank and can improve joint strength to increase the thickness that the cushion has increased the junction, improved bulk strength.
The liquid outlet pipe is connected with an external valve. The on-off of the liquid outlet pipe is controlled by an external valve.
The liquid outlet pipe is perpendicular to the valve rod. Facilitating the discharge of liquid.
The flow passage hole is provided with one, and the flow passage hole is arranged on one side of the valve seat. The utility model discloses a set up the low temperature medium that can be convenient for in one side of disk seat with the runner hole and flow.
The cylinder is an execution cylinder, and the output end of the execution cylinder is connected with the valve rod.
The utility model discloses an actuating cylinder realizes the promotion to the valve rod.
The main sleeve pipe with the drain pipe respectively with the disk seat welding, the drain pipe with the shell welding of main sleeve pipe and low temperature storage tank, just the drain pipe with the vacuum layer between the interior shell of low temperature storage tank is passed to main sleeve pipe. The valve rod can open and close the valve, and simultaneously, the low-temperature liquid can flow out of the storage tank.
Drawings
Fig. 1 is a schematic structural view of the valve body of the present invention in a closed state;
fig. 2 is a schematic structural diagram of the valve body of the present invention in an open state.
In the figure: the valve comprises a valve seat 1, a valve cover 2, a valve clack 3, a spring 4, a valve rod 5, a cylinder 6, a main sleeve 7, a second sleeve 8, a runner hole 9, a first sleeve 10, a liquid outlet pipe 11 and a sealing filler 12.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and 2, the built-in emergency cut-off valve for the low-temperature storage tank comprises a valve body arranged on the low-temperature storage tank, wherein the valve body comprises a valve seat 1 and a valve cover 2, the valve seat is welded on an inner shell of the low-temperature storage tank, the valve seat is in threaded connection with the valve cover, a valve clack 3 and a spring 4 are arranged in the valve seat, one end of the spring is pressed against the valve cover, the other end of the spring is pressed against the valve clack, the valve clack is connected with a valve rod 5, the spring is sleeved outside the valve; a main sleeve 7 is arranged outside the valve rod and is positioned between the valve rod and the valve clack; the top of the main sleeve extends into the space between the valve rod and the spring; the valve seat is also provided with a second sleeve 8 which is connected with a first sleeve 10 through a flow passage hole 9, the first sleeve is communicated with a liquid outlet pipe 11, and a low-temperature medium flows in the first sleeve and the second sleeve. The utility model discloses a spring one end top is on the valve bonnet, and one end top is at the valve clack, and the valve clack is sealed with the sealed face contact formation of disk seat under the spring action. A sleeve is arranged between the valve rod and the valve clack, so that an air seal can be formed to prevent low-temperature medium from flowing into the sealing filler and damaging the sealing filler. The valve cover and the second sleeve form an air seal, when the external valve is closed, the air seal is formed at the position, the valve clack, the sleeve, the valve rod and the like are prevented from being immersed in a low-temperature medium, and external heat is reduced from being transmitted to the inside. The heat insulation capacity of the storage tank is improved.
The utility model discloses a thereby the area of contact who increases disk seat and low temperature storage tank can improve joint strength to increase the thickness that the cushion has increased the junction, improved bulk strength, an external valve is connected to the drain pipe, through the break-make of external valve control drain pipe, drain pipe and valve rod are perpendicular mutually.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a built-in quick action emergency valve of low temperature storage tank which characterized in that: the valve comprises a valve body arranged on a low-temperature storage tank, wherein the valve body comprises a valve seat and a valve cover, the valve seat is welded on an inner shell of the low-temperature storage tank, the valve seat is in threaded connection with the valve cover, a valve clack and a spring are arranged in the valve seat, one end of the spring is propped against the valve cover, the other end of the spring is propped against the valve clack, the valve clack is connected with a valve rod, the spring is sleeved outside the valve rod, and the lower end part of the valve rod is connected with a cylinder;
a main sleeve is arranged outside the valve rod and is positioned between the valve rod and the valve clack; the top of the main sleeve extends into the space between the valve rod and the spring;
the valve seat is further provided with a second sleeve, the second sleeve is connected with the first sleeve through a flow channel hole, the first sleeve is communicated with the liquid outlet pipe, and a low-temperature medium flows in the first sleeve and the second sleeve.
2. The built-in emergency cut-off valve for the low-temperature storage tank as claimed in claim 1, wherein: and a sealing filler is arranged between the valve clack and the shell of the low-temperature storage tank.
3. The built-in emergency cut-off valve for the low-temperature storage tank as claimed in claim 1, wherein the longitudinal section of the joint of the valve seat and the low-temperature storage tank is L-shaped, and a cushion block is arranged at the joint of the valve seat and the low-temperature storage tank.
4. The built-in emergency cut-off valve for the low-temperature storage tank as claimed in claim 1, wherein: the liquid outlet pipe is connected with an external valve.
5. The built-in emergency shut-off valve for the low-temperature storage tank as claimed in claim 4, wherein: the liquid outlet pipe is perpendicular to the valve rod.
6. The built-in emergency cut-off valve for the low-temperature storage tank as claimed in claim 1, wherein: the flow passage hole is provided with one, and the flow passage hole is arranged on one side of the valve seat.
7. The built-in emergency cut-off valve for the low-temperature storage tank as claimed in claim 1, wherein: the main sleeve pipe with the drain pipe respectively with the disk seat welding, the drain pipe with the shell welding of main sleeve pipe and low temperature storage tank, just the drain pipe with the vacuum layer between the interior shell of low temperature storage tank is passed to main sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921910734.8U CN211145382U (en) | 2019-11-07 | 2019-11-07 | Built-in emergency cut-off valve of low-temperature storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921910734.8U CN211145382U (en) | 2019-11-07 | 2019-11-07 | Built-in emergency cut-off valve of low-temperature storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145382U true CN211145382U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921910734.8U Active CN211145382U (en) | 2019-11-07 | 2019-11-07 | Built-in emergency cut-off valve of low-temperature storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886880A (en) * | 2019-11-07 | 2020-03-17 | 上海百图低温阀门有限公司 | Built-in quick action emergency valve at portable low temperature storage tank |
-
2019
- 2019-11-07 CN CN201921910734.8U patent/CN211145382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886880A (en) * | 2019-11-07 | 2020-03-17 | 上海百图低温阀门有限公司 | Built-in quick action emergency valve at portable low temperature storage tank |
| CN110886880B (en) * | 2019-11-07 | 2021-02-05 | 上海百图低温阀门有限公司 | Built-in quick action emergency valve at portable low temperature storage tank |
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