CN115929952A - Pressure reducing valve - Google Patents
Pressure reducing valve Download PDFInfo
- Publication number
- CN115929952A CN115929952A CN202211556951.8A CN202211556951A CN115929952A CN 115929952 A CN115929952 A CN 115929952A CN 202211556951 A CN202211556951 A CN 202211556951A CN 115929952 A CN115929952 A CN 115929952A
- Authority
- CN
- China
- Prior art keywords
- grade
- screw
- reducing valve
- pressure reducing
- pressure
- 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.)
- Pending
Links
Images
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of pressure reducing valves, and discloses a pressure reducing valve which comprises a screw and an adjusting screw rod, wherein the screw and the adjusting screw rod are both arranged on an adjusting compass, the lower end of the adjusting compass is provided with a positioning rod, an elastic washer, a secondary pressing plate, a third O-shaped ring, a secondary diaphragm and a second O-shaped ring are arranged between the positioning rod and the adjusting compass, the lower end of the positioning rod is provided with a first secondary valve cap rubber gasket and a second secondary valve cap rubber gasket, the first secondary valve cap rubber gasket is positioned at the lower end of the second secondary valve cap rubber gasket, and the second secondary valve cap rubber gasket is detachably and fixedly connected with the adjusting compass through a plurality of water channel plugs. The invention has good appearance, smooth valve port and no burr, the working temperature of the invention is minus 160 ℃, the invention can reduce the pressure from 1.59 MPa to 2.41 MPa to 2000 Pa to 3000 Pa, namely, the pressure of the maximum pressure position 2.41 MPa can be reduced to 2000 Pa to 3000 Pa, and the pressure of 2000 Pa to 3000 Pa is more appropriate pressure, thereby being convenient for normal use.
Description
Technical Field
The invention relates to the technical field of pressure reducing valves, in particular to a pressure reducing 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, that is, the flow speed and the kinetic energy of the fluid are changed by changing the throttling area, so as 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 adjustment of the control and adjustment system, so that the pressure behind the valve is kept constant within a certain error range. The existing pressure reducing valve is poor in appearance attractiveness, burrs are often formed on a valve port, the working effect of the pressure reducing valve is further influenced, and the pressure reducing valve is further provided.
Disclosure of Invention
The pressure reducing valve provided by the invention solves the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a pressure reducing valve, includes screw and adjusting screw, screw and adjusting screw all install on adjusting the compass, adjust the compass lower extreme and install the locating lever, install elastic washer, second grade clamp plate, third O type circle, second grade diaphragm and second O type circle between locating lever and the regulation compass, first second grade valve cap cushion and second grade valve cap cushion are installed to the locating lever lower extreme, first second grade valve cap cushion is located second grade valve cap cushion lower extreme, second grade valve cap cushion is through the detachable fixed connection of a plurality of water course end caps and regulation compass, be provided with secondary spring, fourth O type circle, the main casing body, fifth O type circle and second grade pull rod between second grade valve cap cushion and the locating lever.
Preferably, a wave pad is arranged between the screw and the adjusting compass.
Preferably, the adjusting screw is provided with a long cover and a vacuum nozzle.
Preferably, a first O-shaped ring is arranged between the adjusting screw rod and the adjusting compass.
Preferably, a sixth O-shaped ring is arranged between the water channel plug and the second secondary bonnet rubber gasket.
Preferably, the screw is an M6X18 screw.
Preferably, the first O-ring size is 7.5x1.5, the second, third and fourth O-rings size is 4.8x1.8, and the fifth O-ring size is 7x1.5.
The beneficial effects of the invention are: the appearance of the main shell is checked, a first O-shaped ring of a water pipeline plug is arranged in the main shell to be screwed, a small amount of silicone grease is uniformly coated in a phi 7 bearing hole, a second-level pull rod is assembled in the main shell, a second-level pull rod, a second-level valve cap rubber gasket, a second-level pull rod, a first O-shaped ring and the main shell are arranged in place, a second-level gasket, a second-level O-shaped ring, a second-level diaphragm, a third O-shaped ring and a second-level pressing sheet are arranged in the main shell according to the diagram, then an elastic pad, a second-level positioning rod and a fourth O-shaped ring are screwed, clamped on a special pneumatic clamp and screwed tightly by wind. And uniformly coating a small amount of silicone grease on the second-stage positioning rod and the fourth O-shaped ring, loading a second-stage spring, fixing the adjusting screw disc, the adjusting screw rod and the first O-shaped ring on the second-stage positioning rod, installing the long cover on the adjusting screw rod, enabling the vacuum nozzle hole and the air outlet to be in the same direction, and taking screws for cross fastening (screwing up for multiple times).
The working temperature of the invention is minus 160 ℃, the invention can reduce the pressure from 1.59 MPa to 2.41 MPa to 2000 Pa to 3000 Pa, namely, the pressure of the maximum pressure position 2.41 MPa can be reduced to 2000 Pa to 3000 Pa, and the pressure of 2000 Pa to 3000 Pa is a proper pressure, thereby being convenient for normal use.
The invention has good appearance and smooth valve port without burr.
Drawings
Fig. 1 is a schematic structural diagram of a pressure reducing valve according to the present invention.
Reference numbers in the figures: the water channel plug comprises a screw, a wave pad body 2, a long cover body 3, a vacuum nozzle 4, a first O-shaped ring 5, an adjusting screw rod 6, an adjusting screw disc 7, a second-stage spring 8, a second O-shaped ring 9, a positioning rod 10, an elastic gasket 11, a second-stage pressing plate 12, a third O-shaped ring 13, a second-stage diaphragm 14, a fourth O-shaped ring 15, a second-stage gasket 16, a main shell 17, a fifth O-shaped ring 18, a second-stage pull rod 19, a first second-stage valve cap rubber pad 20, a second-stage valve cap rubber pad 21, a sixth O-shaped ring 22 and a water channel plug 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the pressure reducing valve comprises a screw 1 and an adjusting screw 6, wherein the screw 1 and the adjusting screw 6 are both installed on an adjusting screw disc 7, a positioning rod 10 is installed at the lower end of the adjusting screw disc 7, an elastic washer 11 is installed between the positioning rod 10 and the adjusting screw disc 7, a secondary pressing plate 12, a third O-ring 13, a secondary diaphragm 14 and a second O-ring 9 are installed between the positioning rod 10 and the adjusting screw disc 7, a first secondary valve cap rubber gasket 20 and a second secondary valve cap rubber gasket 21 are installed at the lower end of the positioning rod 10, the first secondary valve cap rubber gasket 20 is located at the lower end of the second secondary valve cap rubber gasket 21, the second secondary valve cap rubber gasket 21 is detachably and fixedly connected with the adjusting screw disc 7 through a plurality of water channel plugs 23, and a secondary spring 8, a fourth O-ring 15, a main shell 17, a fifth O-ring 18 and a secondary pull rod 19 are arranged between the second secondary valve cap rubber gasket 21 and the positioning rod 10.
In this embodiment, a wave pad 2 is arranged between a screw 1 and an adjusting screw disk 7, a long cover 3 and a vacuum nozzle 4 are installed on the adjusting screw 6, a first O-ring 5 is arranged between the adjusting screw 6 and the adjusting screw disk 7, a sixth O-ring 22 is arranged between a water channel plug 23 and a second-stage bonnet rubber gasket 21, the screw 1 is an M6X18 screw, the size of the first O-ring 5 is 7.5x1.5, the size of the second O-ring 9, the size of the third O-ring 13 and the size of the fourth O-ring 15 are 4.8x1.8, and the size of the fifth O-ring 18 is 7x1.5.
The working principle is as follows: the appearance of the main shell 17 is checked, the water pipeline plug 23 is filled with the first O-shaped ring 5 and screwed down into the main shell 17, a small amount of silicone grease is uniformly coated in the phi 7 bearing hole, the second-level pull rod 19 is assembled into the main shell 17, the second-level pull rod 19, the second-level valve cap rubber gasket, the second-level pull rod 19 and the first O-shaped ring 5 are filled into the main shell 17, the second-level gasket 16, the second O-shaped ring, the second-level diaphragm 14, the third O-shaped ring 13 and the second-level pressing sheet are installed in place according to the figure, the elastic gasket, the second-level positioning rod 10 and the fourth O-shaped ring are screwed up and clamped on a special pneumatic clamp, and the elastic gasket, the second-level positioning rod 10 and the fourth O-shaped ring are screwed down by wind. A small amount of silicone grease is uniformly coated on the secondary positioning rod 10 and the fourth O-shaped ring 15, a secondary spring 8 is arranged, the adjusting screw disc, the adjusting screw rod and the first O-shaped ring 5 are fixed on the secondary positioning rod 10, the long cover 3 is arranged on the adjusting screw rod, the hole of the vacuum nozzle 4 and the air outlet are in the same direction, and screws are fastened in a crossed manner for multiple times.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a pressure reducing valve, includes screw (1) and adjusting screw (6), a serial communication port, screw (1) and adjusting screw (6) are all installed on regulation helicoidal disc (7), regulation helicoidal disc (7) lower extreme installs locating lever (10), install elastic washer (11), second grade clamp plate (12), third O type circle (13), second grade diaphragm (14) and second O type circle (9) between locating lever (10) and regulation helicoidal disc (7), first second grade bonnet cushion (20) and second grade bonnet cushion (21) are installed to locating lever (10) lower extreme, first second grade bonnet cushion (20) are located second grade bonnet cushion (21) lower extreme, second grade bonnet cushion (21) are through a plurality of water channels (23) and the detachable fixed connection of regulation helicoidal disc (7), be provided with second grade spring pull rod (8), fourth O type circle (15), main casing body (17), fifth O type circle (18) and second grade bonnet cushion (19) between second grade bonnet cushion (21) and locating lever (10).
2. A pressure reducing valve according to claim 1, characterised in that a wave washer (2) is arranged between the screw (1) and the adjusting screw disc (7).
3. A pressure-reducing valve according to claim 1, characterized in that the adjusting screw (6) is fitted with an elongated cap (3) and a vacuum nozzle (4).
4. A pressure reducing valve according to claim 1, characterised in that a first O-ring (5) is arranged between the adjusting screw (6) and the adjusting disc (7).
5. The pressure reducing valve according to claim 1, wherein a sixth O-ring (22) is arranged between the water channel plug (23) and the second secondary bonnet rubber gasket (21).
6. A pressure reducing valve according to claim 1, characterized in that the screw (1) is an M6X18 screw.
7. A pressure reducing valve according to claim 1, characterised in that the first O-ring (5) has a size of 7.5x1.5, the second (9), third (13) and fourth (15) O-rings have a size of 4.8x1.8 and the fifth O-ring (18) has a size of 7x1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211556951.8A CN115929952A (en) | 2022-12-06 | 2022-12-06 | Pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211556951.8A CN115929952A (en) | 2022-12-06 | 2022-12-06 | Pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115929952A true CN115929952A (en) | 2023-04-07 |
Family
ID=86655494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211556951.8A Pending CN115929952A (en) | 2022-12-06 | 2022-12-06 | Pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115929952A (en) |
-
2022
- 2022-12-06 CN CN202211556951.8A patent/CN115929952A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115929952A (en) | Pressure reducing valve | |
| CN215637459U (en) | Differential pressure bypass structure for water dividing and collecting device | |
| CN210890162U (en) | Low-temperature pressure reduction regulating valve | |
| CN210440601U (en) | Adjustable differential pressure control valve | |
| CN219366911U (en) | Pressure reducing valve | |
| CN214404831U (en) | Micro-pressure reducing valve | |
| CN220016239U (en) | Pressure regulating valve convenient to assemble | |
| CN201396553Y (en) | Non-diaphragm improved self-operated flow control valve | |
| CN213452048U (en) | Special relief pressure valve of central station | |
| CN221483354U (en) | Pressure-stabilizing gas valve | |
| CN221463005U (en) | Leak protection relief pressure subassembly and leak protection relief pressure valve device | |
| CN204493823U (en) | A kind of decompression delivery valve | |
| CN205047918U (en) | Dynamic balance electric regulating valve | |
| CN221145347U (en) | Quick detach formula whole sealing gasket structure and gas pressure regulator | |
| CN213982178U (en) | Adjustable pressure reducing valve | |
| CN220185932U (en) | Novel slow-closing check valve | |
| CN218326397U (en) | Gas safety self-closing valve convenient to adjust | |
| CN221880232U (en) | Natural gas pipeline control valve | |
| CN219432544U (en) | Pressure reducing valve device with waterproof function | |
| CN215673788U (en) | Low pressure difference structure pilot-operated type pressure reducing valve | |
| CN218031633U (en) | Constant-flow water inlet joint and connecting pipe of fan coil | |
| CN219712518U (en) | Intelligent control self-operated flow regulator household valve | |
| CN216768543U (en) | Prevent pneumatic high pressure regulating valve of leakage | |
| CN221075386U (en) | Pressure reducing valve | |
| CN114087407B (en) | Flow regulating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |