CN213452029U - Novel gas pressure reducing valve - Google Patents
Novel gas pressure reducing valve Download PDFInfo
- Publication number
- CN213452029U CN213452029U CN202021348561.8U CN202021348561U CN213452029U CN 213452029 U CN213452029 U CN 213452029U CN 202021348561 U CN202021348561 U CN 202021348561U CN 213452029 U CN213452029 U CN 213452029U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- rod
- valve rod
- novel gas
- 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.)
- Active
Links
Images
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a novel gas pressure reducing valve, including the valve body, be equipped with the case in the valve body, the valve rod is installed on the case top, is equipped with the heating pipe in case and the valve rod, is equipped with the resistance wire in the heating pipe. The utility model can heat the valve core and the valve rod from the inside through the mutual matching of the related parts such as the heating switch, the resistance wire, the heating pipe and the like, thereby avoiding the temperature reduction of the surfaces of the valve core and the valve rod caused by the heat absorption of the gas when the high-pressure gas flows from a high-pressure area to a low-pressure area, and prolonging the service life of the valve core and the valve rod; the pressure scale is installed on the top end of the valve cover, scale marks outside the connecting rod correspond to the pressure scale, and therefore workers can conveniently adjust the pressure in the device according to the pressure scale.
Description
Technical Field
The utility model relates to a relief pressure valve specifically is a novel gas relief pressure valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. From the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction. Then, the fluctuation of the pressure behind the valve is balanced with the spring force by means of the regulation of the control and regulation system, so that the pressure behind the valve is kept constant within a certain error range.
However, when the pressure reducing valve works, high-pressure gas can absorb heat when being converted into low-pressure gas, so that the temperature in the valve body is reduced, the valve core is influenced, and the service life of the valve core is shortened. Therefore, the utility model provides a novel gas reducing valve to solve the above-mentioned problem that proposes.
Disclosure of Invention
An object of the utility model is to provide a novel gas relief pressure valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel gas pressure reducing valve comprises a valve body, wherein a high-pressure area is arranged on one side in the valve body, a low-pressure area is arranged on the other side in the valve body, a valve core is arranged in the valve body and is positioned between the high-pressure area and the low-pressure area, a valve rod is arranged at the top end of the valve core and is fixedly connected with the valve rod, a piston is arranged on the outer side of the valve rod, threads are arranged on the outer side of the valve rod, internal threads are arranged in the piston, the valve rod is in threaded connection with the piston, a valve cover is arranged at the top end of the valve body, a spring seat is arranged in the valve cover, a spring is arranged between the spring seat and the piston, a connecting rod is arranged at the top end of the valve rod;
the valve core and the valve rod are hollow and are communicated with each other, the heating pipes are arranged in the valve core and the valve rod, resistance wires are arranged in the heating pipes, heat conduction materials are arranged between the resistance wires and the heating pipes, heating liquid is arranged outside the heating pipes, and the heating switches are arranged at the upper ends of the heating pipes.
As a further scheme of the utility model, the manometer is installed to the low-pressure area upper end, and the packing ring is installed to the case side, and the packing ring is the rubber material.
As the utility model discloses further scheme again, the rubber circle is installed in the piston outside, and the heat conduction material is magnesium oxide powder, and the heating switch is installed in the valve rod outside.
As the utility model discloses scheme further again, the valve body all is equipped with the fixed block with the valve gap outside, is equipped with the bolt in the fixed block, and the bolt upper end is equipped with the nut.
As the utility model discloses further scheme again, bolt and nut threaded connection, valve body and valve gap pass through bolt and nut fixed connection.
As the utility model discloses further scheme again, the handle is installed on the connecting rod top, and the handle surface is equipped with anti-skidding line.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the mutual matching of related components such as a heating switch, a resistance wire, a heating pipe and the like, the valve core and the valve rod can be heated from the inside, the phenomenon that the surface temperature of the valve core and the valve rod is reduced due to the heat absorption of gas when high-pressure gas flows to a low-pressure area from a high-pressure area is avoided, and the service life of the valve core and the valve rod is prolonged;
2. the pressure scale is installed on the top end of the valve cover, scale marks outside the connecting rod correspond to the pressure scale, and therefore workers can conveniently adjust the pressure in the device according to the pressure scale.
Drawings
Fig. 1 is a schematic structural diagram of a novel gas pressure reducing valve.
Fig. 2 is a sectional view of a valve core and a valve rod in a novel gas pressure reducing valve.
Fig. 3 is a connection diagram of a pressure scale and a valve cover in the novel gas pressure reducing valve.
In the figure: 1. a valve body; 2. a high pressure region; 3. a low-pressure region; 4. a valve core; 5. a gasket; 6. a valve stem; 7. a pressure gauge; 8. a piston; 9. a rubber ring; 10. a bolt; 11. a nut; 12. a valve cover; 13. a spring; 14. a spring seat; 15. a connecting rod; 16. heating the liquid; 17. a thermally conductive material; 18. a resistance wire; 19. a heating switch; 20. a handle; 21. pressure scales; 22. scale marks are marked; 23. heating a tube; 24. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1-2, in the embodiment of the present invention, a novel gas pressure reducing valve includes a valve body 1, a high pressure region 2 is disposed on one side in the valve body 1, a low pressure region 3 is disposed on the other side in the valve body 1, a pressure gauge 7 is disposed at the upper end of the low pressure region 3, a valve core 4 is disposed in the valve body 1, the valve core 4 is disposed between the high pressure region 2 and the low pressure region 3, a gasket 5 is disposed at the side of the valve core 4, the gasket 5 is made of rubber, a valve rod 6 is disposed at the top end of the valve core 4, the valve core 4 is fixedly connected to the valve rod 6, a piston 8 is disposed at the outer side of the valve rod 6, a thread is disposed at the outer side of the valve rod 6, an internal thread is disposed in the piston 8, the valve rod 6 is in threaded connection with the piston 8, a rubber ring 9 is disposed at the outer, the valve body 1 and the valve cover 12 are fixedly connected with a nut 11 through a bolt 10, a spring seat 14 is arranged in the valve cover 12, a spring 13 is arranged between the spring seat 14 and the piston 8, a connecting rod 15 is arranged at the top end of the valve rod 6, threads are arranged at the lower part of the connecting rod 15, internal threads are arranged at the top end of the valve rod 6, the valve rod 6 is in threaded connection with the connecting rod 15, the connecting rod 15 penetrates through the spring seat 14 and the valve cover 12, internal threads are arranged in the valve cover 12 and the spring seat 14, threads are arranged on the outer side of the connecting rod 15, the connecting rod 15 is in threaded connection;
the valve core 4 and the valve rod 6 are hollow and are communicated with each other, a heating pipe 23 is arranged in the valve core 4 and the valve rod 6, a resistance wire 18 is arranged in the heating pipe 23, a heat conduction material 17 is arranged between the resistance wire 18 and the heating pipe 23, the heat conduction material 17 is magnesium oxide powder, a heating liquid 16 is arranged outside the heating pipe 23, a heating switch 19 is arranged at the upper end of the heating pipe 23, and the heating switch 19 is arranged outside the valve rod 6;
example 2:
referring to fig. 3, the present embodiment is different from embodiment 1 in that scale marks 22 are disposed on an outer side of the connecting rod 15, the scale marks 22 are disposed on an upper end of the valve cover 12, and a pressure scale 21 is mounted on a top end of the valve cover 12.
The utility model discloses a theory of operation is:
the handle 20 is rotated to rotate the connecting rod 15, the connecting rod 15 is in threaded connection with the valve cover 12 and the spring seat 14, the connecting rod 15 moves upwards, the connecting rod 15 drives the valve rod 6 to move upwards, the valve core 4 is driven to move upwards, the valve core 4 is separated from the valve body 1 to form an air flow gap, high-pressure air flows from the high-pressure area 2 to the low-pressure area 3, and the air pressure is adjusted by adjusting the handle 20; the heating switch 19 is opened to enable the resistance wire 18 to generate heat, the heating pipe 23 is uniformly heated through the heat conduction material 17, the heating liquid 16 around the heating pipe 23 is heated, so that the valve core 4 and the valve rod 6 are heated, the valve core 4 and the valve rod 6 can be heated from the inside through the mutual matching of the heating switch 19, the resistance wire 18, the heating pipe 23 and other related components, the temperature of the surfaces of the valve core 4 and the valve rod 6 is prevented from being reduced due to the heat absorption of the gas when the high-pressure gas flows from the high-pressure area 2 to the low-pressure area 3, and the service lives of the valve;
the top end of the valve cover 12 is provided with a pressure scale 21, and scale marks 22 outside the connecting rod 15 correspond to the pressure scale 21, so that a worker can conveniently adjust the pressure in the device according to the pressure scale 21.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A novel gas pressure reducing valve comprises a valve body (1) and is characterized in that a high-pressure area (2) is arranged on one side in the valve body (1), a low-pressure area (3) is arranged on the other side in the valve body (1), a valve core (4) is arranged in the valve body (1), the valve core (4) is located between the high-pressure area (2) and the low-pressure area (3), a valve rod (6) is arranged at the top end of the valve core (4), the valve core (4) is fixedly connected with the valve rod (6), a piston (8) is arranged on the outer side of the valve rod (6), threads are arranged on the outer side of the valve rod (6), internal threads are arranged in the piston (8), the valve rod (6) is in threaded connection with the piston (8), a valve cover (12) is arranged at the top end of the valve body (1), a spring seat (14) is arranged in the valve cover (12), a spring (, the top end of the valve rod (6) is provided with internal threads, the valve rod (6) is in threaded connection with a connecting rod (15), the connecting rod (15) penetrates through the spring seat (14) and the valve cover (12), the internal threads are arranged in the valve cover (12) and the spring seat (14), the threads are arranged on the outer side of the connecting rod (15), and the connecting rod (15) is in threaded connection with the spring seat (14) and the valve cover (12);
the valve core (4) and the valve rod (6) are hollow and are communicated with each other, a heating pipe (23) is arranged in the valve core (4) and the valve rod (6), a resistance wire (18) is arranged in the heating pipe (23), a heat conduction material (17) is arranged between the resistance wire (18) and the heating pipe (23), heating liquid (16) is arranged outside the heating pipe (23), and a heating switch (19) is arranged at the upper end of the heating pipe (23).
2. The novel gas pressure reducing valve according to claim 1, wherein a pressure gauge (7) is installed at the upper end of the low-pressure area (3), a gasket (5) is installed on the side of the valve core (4), and the gasket (5) is made of rubber.
3. A novel gas pressure reducing valve according to claim 1, characterized in that a rubber ring (9) is arranged outside the piston (8), the heat conducting material (17) is magnesium oxide powder, and the heating switch (19) is arranged outside the valve rod (6).
4. A novel gas pressure reducing valve according to claim 1, characterized in that the valve body (1) and the valve cover (12) are respectively provided with a fixing block (24) at the outer side, a bolt (10) is arranged in the fixing block (24), and a nut (11) is arranged at the upper end of the bolt (10).
5. A novel gas pressure reducing valve according to claim 4, characterized in that the bolt (10) is in threaded connection with the nut (11), and the valve body (1) and the valve cover (12) are fixedly connected with the nut (11) through the bolt (10).
6. The novel gas pressure reducing valve as claimed in claim 1, wherein a handle (20) is mounted at the top end of the connecting rod (15), and anti-skid lines are arranged on the surface of the handle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021348561.8U CN213452029U (en) | 2020-07-10 | 2020-07-10 | Novel gas pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021348561.8U CN213452029U (en) | 2020-07-10 | 2020-07-10 | Novel gas pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213452029U true CN213452029U (en) | 2021-06-15 |
Family
ID=76372199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021348561.8U Active CN213452029U (en) | 2020-07-10 | 2020-07-10 | Novel gas pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213452029U (en) |
-
2020
- 2020-07-10 CN CN202021348561.8U patent/CN213452029U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213809061U (en) | Pressure-adjustable safety valve | |
| CN213452029U (en) | Novel gas pressure reducing valve | |
| CN204611201U (en) | A kind of diaphragm type buffer with insulation jacket | |
| CN202047802U (en) | Multistage flow regulator | |
| CN206206721U (en) | A kind of pressure-reducing valve | |
| CN205859274U (en) | Adjustable dynamic balance valve | |
| CN204553961U (en) | A kind of reduction valve | |
| CN205226508U (en) | Relief valve | |
| CN215763755U (en) | Static water conservancy balance regulator | |
| CN203549041U (en) | Self-operated pressure regulating valve | |
| CN111853248B (en) | Pilot-operated stop valve suitable for various working conditions and control and calibration method thereof | |
| CN215370994U (en) | Valve convenient to maintain | |
| CN212055941U (en) | Water pressure system regulating valve | |
| CN204717076U (en) | A kind of reduction valve | |
| CN210890263U (en) | Pipeline pressure difference device | |
| CN202927131U (en) | Automatic constant temperature three-way steam heat valve | |
| CN208672209U (en) | A kind of pressure meter device for gauge check | |
| CN203549038U (en) | Internal pressure-taking self-operated pressure regulating valve | |
| CN201575209U (en) | Dynamic balance electrical control integrated valve | |
| CN110630748A (en) | Novel spring control valve | |
| CN214838411U (en) | Anti-sticking governing valve of dying | |
| CN204164452U (en) | The two diaphragm type steam reducing valve of a kind of type pilot | |
| CN220980456U (en) | Pneumatic high-pressure regulating valve | |
| CN219888730U (en) | Self-control flow regulating valve | |
| CN211315313U (en) | Integrated valve bank valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |