CN221120984U - Pressure reducing valve - Google Patents
Pressure reducing valve Download PDFInfo
- Publication number
- CN221120984U CN221120984U CN202322763863.1U CN202322763863U CN221120984U CN 221120984 U CN221120984 U CN 221120984U CN 202322763863 U CN202322763863 U CN 202322763863U CN 221120984 U CN221120984 U CN 221120984U
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- gas
- gas outlet
- outlet channel
- pressure reducing
- upper cover
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims description 98
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000002737 fuel gas Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The embodiment of the application discloses a pressure reducing valve, which comprises an upper cover, a lower cover, a diaphragm assembly and a gas cavity, wherein the gas cavity is formed by upwards protruding the top end of the upper cover, two ends of the gas cavity are respectively provided with a gas inlet and a gas outlet channel, the gas outlet channel is provided with a gas outlet, a through groove and a mounting hole, a flow regulating part is arranged in the mounting hole, the bottom end of the flow regulating part is provided with a regulating valve core extending into the gas outlet channel, the through groove is used for communicating the gas cavity and the gas outlet channel, and the through groove is adjacent to the mounting hole and far away from the gas outlet. The pressure reducing valve has the advantages that the relative angle between the valve core and the gas flow direction inside the pressure reducing valve can be adjusted by rotating the flow adjusting piece during use, so that the effect of adjusting the gas flow inside the pressure reducing valve is achieved, and meanwhile, the space occupied by the whole pressure reducing valve is reduced.
Description
Technical Field
The utility model belongs to the technical field of pressure reducing valves, and particularly relates to the field of pressure reducing valves.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by adjusting and automatically keeps the outlet pressure stable by depending on the energy of a medium, and the pressure reducing valve is widely applied to the market. In application, a pressure reducing valve is usually installed between a generator set using (natural) gas and liquefied gas as fuel and a gas tank, and a gas flow switch is also arranged in use for controlling gas flow. In general, the pressure reducing valve and the gas flow switch are both independently connected in the whole system, so that the condition has higher cost and higher air leakage risk, and simultaneously wastes space; or the existing pressure reducing valve is provided with a gas flow control structure outside the pressure reducing valve, and the pressure reducing valve in the mode occupies a large space.
Disclosure of utility model
Aiming at the problem that the pressure reducing valve used in the prior art wastes space during application, the utility model provides the pressure reducing valve, so that the pressure reducing valve is more compact in structure, and the practicability of adjusting the direction of the air outlet according to the requirement during application is improved.
In order to achieve the above purpose, the application adopts the following technical scheme:
The pressure reducing valve comprises an upper cover, a lower cover and a diaphragm assembly arranged between the upper cover and the lower cover, wherein a gas cavity is formed by the upward bulge of the top end of the upper cover; the air inlet is arranged at one end of the fuel gas cavity; the gas outlet channel is arranged at the other end of the gas cavity, a gas outlet is arranged at one end of the gas outlet channel, a through groove is formed in the lower wall of the gas outlet channel and is used for communicating the gas cavity with the gas outlet channel, a mounting hole communicated with the inside of the gas outlet channel is formed in the gas outlet channel, a flow regulating piece is arranged in the mounting hole, a regulating valve core extending to the inside of the gas outlet channel is arranged at the bottom end of the flow regulating piece, a gas hole is formed in the regulating valve core, the mounting hole is adjacent to the through groove, and the through groove is away from the gas outlet.
Further, the air outlet channel is located above the top end of the upper cover.
Further, the air outlet channel is provided with a preset air outlet, the preset air outlet is in a closed state, and the mounting hole is positioned between the air outlet and the preset air outlet.
Further, the upper cover, the gas cavity and the gas outlet channel are integrally formed.
Further, still include the adjustment mechanism that gives vent to anger, the adjustment mechanism that gives vent to anger sets up in the gas intracavity portion, the adjustment mechanism that gives vent to anger includes lever, regulating spring and end cap, the lever rotates to be connected on the upper cover inside wall, the one end butt of lever is on diaphragm subassembly, the end cap is fixed in the other end of lever and butt and sealed air inlet under regulating spring's effect, regulating spring's one end joint in on the lever, regulating spring's another end joint in the spacing post that the arch formed on the gas intracavity side wall.
The pressure reducing valve has the beneficial effects that the air outlet channel is arranged above the top end of the upper cover of the pressure reducing valve, and the air outlet and the flow regulating piece are arranged on the air outlet channel, so that the effect of regulating the air flow in the pressure reducing valve can be achieved by rotating the flow regulating piece to regulate the relative angle between the regulating valve core and the air flow direction in the pressure reducing valve during use, and the space occupied by the whole pressure reducing valve is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a pressure reducing valve according to the present application in a top view
FIG. 2 is a schematic partial cross-sectional view of an outlet channel of a pressure relief valve of the present application;
FIG. 3 is a schematic view of the structure of the inner side wall of the upper cover of the pressure reducing valve (the direction of the arrow is the direction of the gas flow);
FIG. 4 is a top view of the pressure relief valve of the present application;
Reference numerals illustrate: the device comprises an upper cover 1, a lower cover 2, a diaphragm assembly 3, an air inlet 4, a flow regulator 5, a regulating valve core 51, an air hole 511, a hand screwing part 6, a gas cavity 7, a limit column 71, an air outlet channel 8, an air outlet 81, a preset air outlet 82, a through groove 83, a mounting hole 84, a lower wall 85, a hand screwing part 86, a plug 9, a lever 10 and a spring 12.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings.
In this embodiment, the specific structure, connection manner and working principle of the upper cover 1, the lower cover 2, the diaphragm assembly 3 and the flow regulator 5 are all well known to those skilled in the art, and the specific structure and connection manner of the above components are not related to the improvement point of the present application, so that the description thereof will not be repeated.
As shown in fig. 1-4, a pressure reducing valve comprises an upper cover 1, a lower cover 2, a diaphragm assembly 3 arranged between the upper cover 1 and the lower cover 2, a gas cavity 7 formed by upward bulge of the middle part of the top end of the upper cover 1, a gas inlet 4 and a gas outlet channel 8 arranged at two ends of the gas cavity 7, and the upper cover 1, the gas cavity 7 and the gas outlet channel 8 are integrally formed; the air inlet 4 is arranged at one end of the gas cavity 7, and in order to further ensure the sealing effect of the air inlet 4 when not in use, an electromagnetic valve is arranged at the air inlet 4; the gas outlet channel 8 arranged at the other end of the gas cavity 7 is provided with a gas outlet 81, the opening of the lower wall 85 of the gas outlet channel 8 is provided with a through groove 83, the through groove 83 is used for communicating the gas cavity 7 with the inside of the gas outlet channel 8, the gas outlet channel 8 is provided with a mounting hole 84 communicated with the inside of the gas outlet channel 8, the mounting hole 84 is internally provided with a flow regulating member 5, the bottom end of the flow regulating member 5 is provided with a regulating valve core 51 extending to the inside of the gas outlet channel 8, the regulating valve core 51 is provided with a gas hole 511, the top end of the flow regulating member 5 extends out of the mounting hole 84 for more conveniently regulating the flow condition inside the pressure reducing valve, the top end of the flow regulating member 5 is provided with a screwing part 86, the screwing part 86 and the flow regulating member 5 are of an integrated structure, the mounting hole 84 is adjacent to the through groove 83, and the through groove 83 is far away from the gas outlet 81. In the use process, gas enters the pressure reducing valve from the gas inlet 4, passes through the gas cavity 7 and enters the gas outlet channel 8 through the through groove 83, when a small flow of gas is required to pass through, the regulating valve core 51 is rotated to a position which just cuts off the gas cavity 7 from the gas outlet 81, and at the moment, the gas between the gas cavity 7 and the gas outlet 81 can only be conveyed through the gas hole 511; when a large flow of gas is required to pass, the regulating valve core 51 is rotated to a direction just parallel to the gas flow direction between the inside of the gas cavity 7 and the gas outlet 81, and at this time, the gas between the gas cavity 7 and the gas outlet 81 can pass through the side edge of the regulating valve core 51. The embodiment not only realizes the effect of adjusting the gas flow in the pressure reducing valve by rotating the flow adjusting piece 5 to adjust the relative angle between the adjusting valve core 51 and the gas flow direction in the pressure reducing valve, but also reduces the space occupied by the pressure reducing valve,
In this embodiment, the air outlet channel 8 is located above the top end of the upper cover 1. Through setting up the passageway 8 of giving vent to anger in the one end of gas chamber 7 with this passageway 8 of giving vent to anger set up the top on upper cover 1 top simultaneously, this setting mode has reached the effect that has reduced the whole occupation space of relief pressure valve, has solved the passageway of giving vent to anger among the prior art and has coloured the side that sets up on upper cover top and lead to the more problem in space that the relief pressure valve occupy.
In this embodiment, a preset air outlet 82 is further disposed on the air outlet channel 8, and the preset air outlet 82 is in a closed state, and the flow regulator 5 is installed in the middle of the air outlet channel 8, that is, between the air outlet 81 and the preset air outlet 82. When the pressure reducing valve is produced, two preset air outlets are arranged on the pressure reducing valve and are in a closed state, the air outlet 81 is selected to be communicated with an external carrier unit, namely, the air outlet 81 is communicated with the inside of the air outlet channel 8 through processing, the preset air outlet 82 arranged at the other end of the air outlet channel 8 is in a continuous closed state, a through groove 83 is arranged at the lower wall 85 of the air outlet channel 8, the through groove 83 is far away from the air outlet 82 and is adjacent to the mounting hole 84, as shown in fig. 3 (the direction of an arrow is the air flow), the through groove 83 is arranged at one side of the center line of the mounting hole 84 and is arranged between the closed preset air outlet 82 and the center line of the mounting hole 84, at the moment, the through groove 83 is far away from the air outlet 81 and is adjacent to the mounting hole 84, air enters the pressure reducing valve from the air inlet 4, the air enters the inside of the air outlet channel 8 through the air cavity 7, the air enters the outside of the air outlet channel 8 through the through groove 83, and then enters the external carrier unit from the air outlet 81 after the air flow is regulated by the flow regulating piece 5, at the moment, the preset air outlet 82 is in the closed state, the air flow is prevented from the through groove 83 to the preset air outlet 82 and only flows out of the air outlet 81; or if the preset air outlet 82 is selected as the air outlet to be communicated with an external carrier unit according to the requirement, the preset air outlet 82 needs to be processed to be communicated with the inside of the air outlet channel 8 in the product processing stage, the preset air outlet 82 is used as the air outlet at the moment, the original air outlet 81 is not processed to be kept in a closed state, and meanwhile, the through groove 83 of the lower wall 85 of the air outlet channel 8 needs to be processed and arranged at a position symmetrical to the central line of the mounting hole so that the gas cavity 7 is communicated with the air outlet channel 8. In the embodiment, two preset air outlets are arranged in the production stage of the pressure reducing valve, and then one preset air outlet is selected to be used as the air outlet of the pressure reducing valve for normal use through processing, so that the position of the air outlet can be processed according to the requirement in the product processing stage, and the practicability of the pressure reducing valve is improved
As shown in fig. 1, the gas-fired boiler further comprises a gas outlet adjusting mechanism, wherein the gas outlet adjusting mechanism is arranged in the gas chamber 7, the gas outlet adjusting mechanism comprises a lever 10, an adjusting spring 12 and a plug 9, the lever 10 is rotatably connected to the inner side wall of the upper cover 1, one end of the lever 10 is abutted to the diaphragm assembly 3, and the plug 9 is fixed to the other end of the lever 10 and abutted to and seals the gas inlet 4 under the action of the adjusting spring 12; one end of the adjusting spring 12 is clamped on the lever 10, and the other end of the adjusting spring 12 is clamped on a limiting column 71 formed by upward bulge at the top of the gas cavity 7. When the device is used, the air inlet 4 is communicated with an external air source, the air outlet 82 is communicated with an external carrier unit, an engine on the carrier unit continuously separates out air in the gas cavity 7 in the working process, so that negative pressure is formed in the gas cavity 7, at the moment, the diaphragm assembly 3 bends and deforms towards the direction of the gas cavity 7, one end of the lever, which is abutted with the diaphragm assembly 3, is pushed to move upwards, the plug 9 at the other end of the lever 10 is separated from the air inlet 4, and finally external air enters the carrier unit through the pressure reducing valve.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (4)
1. The utility model provides a relief pressure valve, includes upper cover, lower cover and sets up the diaphragm subassembly between upper cover and lower cover, its characterized in that still includes:
The fuel gas cavity is formed by upwards protruding the top end of the upper cover;
The air inlet is arranged at one end of the fuel gas cavity;
The gas outlet channel is arranged at the other end of the gas cavity, one end of the gas outlet channel is provided with a gas outlet, the lower wall of the gas outlet channel is provided with a through groove which is used for communicating the gas cavity with the gas outlet channel, the gas outlet channel is provided with a mounting hole communicated with the inside of the gas outlet channel and is internally provided with a flow regulating piece, the bottom end of the flow regulating piece is provided with a regulating valve core extending to the inside of the gas outlet channel, the regulating valve core is provided with a gas hole, the mounting hole is adjacent to the through groove, the through groove is away from the gas outlet, the gas outlet channel is also provided with a preset gas outlet, the preset gas outlet is in a closed state, and the mounting hole is positioned between the gas outlet and the preset gas outlet.
2. The pressure relief valve of claim 1, wherein said air outlet passage is located above a top end of said upper cover.
3. The pressure relief valve of claim 1, wherein the upper cover, the gas chamber, and the gas outlet passage are integrally formed.
4. The pressure relief valve of claim 1, further comprising: the gas outlet adjusting mechanism is arranged in the gas cavity and comprises a lever, an adjusting spring and a plug, the lever is rotationally connected to the inner side wall of the upper cover, one end of the lever is abutted to the diaphragm assembly, the plug is fixed to the other end of the lever and abutted to and seals the gas inlet under the action of the adjusting spring, one end of the adjusting spring is clamped to the lever, and the other end of the adjusting spring is clamped to a limiting column formed by protruding on the inner side wall of the gas cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322763863.1U CN221120984U (en) | 2023-10-16 | 2023-10-16 | Pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322763863.1U CN221120984U (en) | 2023-10-16 | 2023-10-16 | Pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120984U true CN221120984U (en) | 2024-06-11 |
Family
ID=91361577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322763863.1U Active CN221120984U (en) | 2023-10-16 | 2023-10-16 | Pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120984U (en) |
-
2023
- 2023-10-16 CN CN202322763863.1U patent/CN221120984U/en active Active
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