CN218670802U - Marine steam pressure reducing valve - Google Patents
Marine steam pressure reducing valve Download PDFInfo
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- CN218670802U CN218670802U CN202223066798.9U CN202223066798U CN218670802U CN 218670802 U CN218670802 U CN 218670802U CN 202223066798 U CN202223066798 U CN 202223066798U CN 218670802 U CN218670802 U CN 218670802U
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- pressure reducing
- valve body
- steam pressure
- nut
- marine steam
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Abstract
The utility model belongs to the technical field of the steam relief pressure valve technique and specifically relates to a marine steam relief pressure valve, including marine steam relief pressure valve body, the inside top of marine steam relief pressure valve body is provided with adjusting device, adjusting device includes the hand wheel, the outer wall of hand wheel passes through sealed bearing and is connected with marine steam relief pressure valve body rotation, the bottom rigid coupling threaded rod of hand wheel, the outer wall and the nut threaded connection of threaded rod, the outer wall of nut passes through spout and marine steam relief pressure valve body sliding connection, the bottom rigid coupling of nut has the guide valve case, the outer wall and the marine steam relief pressure valve body of guide valve case laminate mutually. Through the cooperation between hand wheel, threaded rod, nut and the guide valve core, the user drives the threaded rod and rotates through rotating the hand wheel, and the threaded rod can make the nut remove downwards, and the nut drives the guide valve core and removes downwards, and it reciprocates to replace the guide valve spring to drive the guide valve core through the nut, has avoided the unable phenomenon of closing of guide valve core.
Description
Technical Field
The utility model relates to a steam relief pressure valve technical field specifically is a marine steam relief pressure valve.
Background
With the upsizing and the diversification of functions of ships, independent systems are increased, the demand of steam is increased, and a large number of steam reducing valves are needed for balancing the steam.
When the existing marine steam pressure reducing valve is used, the membrane is pushed to move up and down through the height of the adjusting screw, when the membrane moves down, the guide valve core can be pushed to move down, when the membrane moves up, the guide valve core is made to move up through rebounding of the guide valve spring, however, the rebounding mode has some problems, when the guide valve spring is in a high-temperature steam environment for a long time, the oxidation degree of the guide valve spring is accelerated, so that the elasticity of the guide valve spring is reduced, the rebounding of the guide valve core cannot be supported by the elasticity of the guide valve spring, and the guide valve core of the steam pressure reducing valve cannot be closed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current marine steam relief pressure valve, adopt the mode that the pilot valve spring kick-backed to drive the guide valve case rebound, after the elasticity of pilot valve spring descends, can't support the guide valve case and kick-back, have the phenomenon that the guide valve case can't be closed, and a marine steam relief pressure valve who provides.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a marine steam relief pressure valve, includes marine steam relief pressure valve body, the inside top of marine steam relief pressure valve body is provided with adjusting device, adjusting device includes the hand wheel, the outer wall of hand wheel passes through sealed bearing and is connected with marine steam relief pressure valve body rotation, the bottom rigid coupling threaded rod of hand wheel, the outer wall and the nut threaded connection of threaded rod, the outer wall of nut passes through spout and marine steam relief pressure valve body sliding connection, the bottom rigid coupling of nut has the guide valve case, the outer wall and the marine steam relief pressure valve body of guide valve case laminate mutually.
Preferably, the two ends of the outer wall of the valve body of the marine steam pressure reducing valve are fixedly connected with flanges, and the inner walls of the flanges are fixedly connected with sealing rubber pads.
Preferably, an air inlet inner hole is formed in the left side of the interior of the marine steam pressure reducing valve body.
Preferably, the lower part of the interior of the marine steam pressure reducing valve body is fixedly connected with one end of a spring, and the other end of the spring is fixedly connected with a main valve core.
Preferably, the top of the main valve core is fixedly connected with a piston, and the outer wall of the piston is attached to the valve body of the marine steam pressure reducing valve.
The utility model provides a pair of marine steam relief pressure valve, beneficial effect lies in: through the cooperation between hand wheel, threaded rod, nut and the guide valve core, the user drives the threaded rod and rotates through rotating the hand wheel, and the threaded rod can make the nut remove downwards, and the nut drives the guide valve core and removes downwards, and it reciprocates to replace the guide valve spring to drive the guide valve core through the nut, has avoided the unable phenomenon of closing of guide valve core.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure at A in FIG. 1;
fig. 3 is a schematic view of the connection structure at B in fig. 1.
In the figure: 1. the marine steam pressure reducing valve comprises a valve body of the marine steam pressure reducing valve, 2, an air inlet inner hole, 3, an adjusting device, 301, a hand wheel, 302, a threaded rod, 303, a nut, 304, a guide valve core, 4, a flange, 5, a sealing rubber pad, 6, a piston, 7, a main valve core, 8 and a spring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example 1:
referring to fig. 1-3, in the present embodiment: a marine steam pressure reducing valve comprises a marine steam pressure reducing valve body 1, wherein an adjusting device 3 is arranged above the inner part of the marine steam pressure reducing valve body 1, the adjusting device 3 comprises a hand wheel 301, a threaded rod 302, a nut 303 and a guide valve core 304, the outer wall of the hand wheel 301 is rotatably connected with the marine steam pressure reducing valve body 1 through a sealing bearing, the bottom end of the hand wheel 301 is fixedly connected with the threaded rod 302, the hand wheel 301 drives the threaded rod 302 to rotate, the outer wall of the threaded rod 302 is in threaded connection with the nut 303, the threaded rod 302 can enable the nut 303 to move up and down, the outer wall of the nut 303 is in sliding connection with the marine steam pressure reducing valve body 1 through a sliding groove, the moving direction of the nut 303 is limited by the marine steam pressure reducing valve body 1 through the sliding groove, the guide valve core 304 is fixedly connected with the bottom of the nut 303, the nut 303 drives the guide valve core 304 to move up and down, and the outer wall of the guide valve core 304 is attached to the marine steam pressure reducing valve body 1;
the user drives threaded rod 302 to rotate by rotating hand wheel 301, threaded rod 302 can make nut 303 move downwards, nut 303 drives guide valve core 304 to move downwards, and guide valve core 304 is driven by nut 303 to move up and down to replace a guide valve spring, so that the phenomenon that the guide valve core cannot be closed is avoided.
The flange 4 is fixedly connected to two ends of the outer wall of the marine steam pressure reducing valve body 1, the marine steam pressure reducing valve body 1 is connected with an external pipeline through the flange 4, the sealing rubber gasket 5 is fixedly connected to the inner wall of the flange 4, the sealing rubber gasket 5 is used for sealing between the two flanges 4, an air inlet inner hole 2 is formed in the left side of the interior of the marine steam pressure reducing valve body 1, the air inlet inner hole 2 is used for balancing internal steam pressure, the lower portion of the interior of the marine steam pressure reducing valve body 1 is fixedly connected with one end of a spring 8, the spring 8 is a main part of the steam pressure reducing valve, the elastic coefficient of the spring 8 is selected according to actual requirements, and working requirements can be met, the main valve core 7 is fixedly connected to the other end of the spring 8, the spring 8 is used for enabling the main valve core 7 to move upwards, the piston 6 is fixedly connected to the top of the main valve core 7, the piston 6 drives the main valve core 7 to move upwards and downwards, and the outer wall of the piston 6 is attached to the marine steam pressure reducing valve body 1.
The working principle is as follows:
when the marine steam pressure reducing valve is used, firstly, a valve body 1 of the marine steam pressure reducing valve is connected with a pipeline on a ship through a flange 4, high-temperature steam enters through a left opening of the valve body 1 of the marine steam pressure reducing valve, at the moment, the valve body 1 of the marine steam pressure reducing valve is in a closed state, a user drives a threaded rod 302 to rotate by rotating a hand wheel 301, the threaded rod 302 can enable a nut 303 to move downwards, the nut 303 drives a guide valve core 304 to move downwards, a gap exists between the guide valve core 304 and the valve body 1 of the marine steam pressure reducing valve, the high-temperature steam reaches the gap between a piston 6 and the valve body 1 of the marine steam pressure reducing valve through an air inlet inner hole 2 and a gap between the guide valve core 304 and the valve body 1 of the marine steam pressure reducing valve, so that the pressure of the gap is increased, the piston 6 moves downwards, the piston 6 drives a main valve core 7 to move, the main valve core 7 can compress a spring 8, meanwhile, a gap exists between the main valve core 7 and the valve body 1 of the marine steam pressure reducing valve, the high-temperature steam is circulated, meanwhile, the elastic force of the spring 8 can be balanced with the steam in the steam pressure reducing valve, and the balance of the device is completed when the internal steam pressure reducing valve is small amount.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (5)
1. The utility model provides a marine steam relief valve, includes marine steam relief valve body (1), its characterized in that: the inside top of marine steam pressure reducing valve body (1) is provided with adjusting device (3), adjusting device (3) are including hand wheel (301), the outer wall of hand wheel (301) passes through sealed bearing and marine steam pressure reducing valve body (1) and rotates and be connected, the bottom rigid coupling threaded rod (302) of hand wheel (301), the outer wall and nut (303) threaded connection of threaded rod (302), the outer wall of nut (303) passes through spout and marine steam pressure reducing valve body (1) sliding connection, the bottom rigid coupling of nut (303) has guide valve core (304), the outer wall and the marine steam pressure reducing valve body (1) of guide valve core (304) laminate mutually.
2. A steam pressure reducing valve for a ship as claimed in claim 1, wherein: the marine steam pressure reducing valve is characterized in that flanges (4) are fixedly connected to two ends of the outer wall of the marine steam pressure reducing valve body (1), and sealing rubber pads (5) are fixedly connected to the inner walls of the flanges (4).
3. A steam pressure reducing valve for a ship as claimed in claim 1, wherein: an air inlet inner hole (2) is formed in the left side of the interior of the marine steam pressure reducing valve body (1).
4. A steam pressure reducing valve for a ship as claimed in claim 1, wherein: the lower part of the interior of the marine steam pressure reducing valve body (1) is fixedly connected with one end of a spring (8), and the other end of the spring (8) is fixedly connected with a main valve core (7).
5. The steam pressure reducing valve for a ship of claim 4, wherein: the top of main valve core (7) is rigid coupling has piston (6), the outer wall of piston (6) and marine steam relief valve body (1) are laminated mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223066798.9U CN218670802U (en) | 2022-11-18 | 2022-11-18 | Marine steam pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223066798.9U CN218670802U (en) | 2022-11-18 | 2022-11-18 | Marine steam pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218670802U true CN218670802U (en) | 2023-03-21 |
Family
ID=85538421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223066798.9U Active CN218670802U (en) | 2022-11-18 | 2022-11-18 | Marine steam pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218670802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181940A (en) * | 2023-04-26 | 2023-05-30 | 青岛开元阀门有限公司 | Air pressure reducing valve for ship |
-
2022
- 2022-11-18 CN CN202223066798.9U patent/CN218670802U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181940A (en) * | 2023-04-26 | 2023-05-30 | 青岛开元阀门有限公司 | Air pressure reducing valve for ship |
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