CN220850904U - Two-stage pressure regulating valve - Google Patents
Two-stage pressure regulating valve Download PDFInfo
- Publication number
- CN220850904U CN220850904U CN202322642188.7U CN202322642188U CN220850904U CN 220850904 U CN220850904 U CN 220850904U CN 202322642188 U CN202322642188 U CN 202322642188U CN 220850904 U CN220850904 U CN 220850904U
- Authority
- CN
- China
- Prior art keywords
- pressure regulating
- bin
- stage
- valve body
- valve
- 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
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 201
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 239000010985 leather Substances 0.000 description 13
- 239000012528 membrane Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to the technical field of pressure regulating valves, in particular to a two-stage pressure regulating valve which comprises a main valve body, wherein a first pressure regulating bin is arranged at the bottom of the main valve body, a second pressure regulating bin is arranged at the top of the main valve body, the right side of the main valve body is in threaded connection with an air inlet pipe, the left side of the main valve body is provided with an overcurrent cutting device, the top of the second pressure regulating bin is in threaded connection with a transparent leak detection cover, the air inlet pipe is communicated with the second pressure regulating bin and the first pressure regulating bin, a first-stage pressure regulating valve opening assembly is arranged in an inner cavity of the first pressure regulating bin, a first-stage pressure regulating ejector rod is inserted on the pressure regulating valve opening assembly, a first-stage pressure regulating assembly is arranged at the top of the first-stage pressure regulating ejector rod, a first-stage pressure regulating spring is arranged at the bottom of the first pressure regulating bin, and the two-stage pressure regulating valve realizes the function of two-stage pressure regulating, and effectively avoids the conditions of difficult ignition and fire release and failure in the control of the activity of gas pressure when the gas is too high.
Description
Technical Field
The utility model relates to the technical field of pressure regulating valves, in particular to a two-stage pressure regulating valve.
Background
The two-stage pressure regulating valve is divided into a first-stage pressure regulating valve and a second-stage pressure regulating valve according to the flow process of the air source to a user. The high-pressure transmission is used on the air source side, and the pressure is reduced after the air source side reaches the transfer station so as to meet the needs of users, and the pressure regulation is one-stage pressure regulation. If the initial air pressure is too high, the primary pressure is also higher than the pressure used by the user, and a secondary pressure regulation is required. However, in the use process, when the pressure of the fuel gas or the coal gas is too high, the fuel gas is not easy to catch fire and lose fire, and the activity control also fails, so that the fuel gas is wasted.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a two-stage pressure regulating valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The design of the double-stage pressure regulating valve comprises a main valve body, a first pressure regulating bin is arranged at the bottom of the main valve body, a second pressure regulating bin is arranged at the top of the main valve body, an air inlet pipe is connected to the right side of the main valve body in a threaded mode, an overcurrent cutting device is arranged on the left side of the main valve body, a transparent leak detection cover is connected to the top of the second pressure regulating bin in a threaded mode, and the air inlet pipe is communicated with the second pressure regulating bin and the first pressure regulating bin.
Preferably, a first-stage pressure regulating valve opening assembly is arranged in the inner cavity of the first pressure regulating bin, a first-stage pressure regulating ejector rod is inserted into the pressure regulating valve opening assembly, a first-stage pressure regulating assembly is arranged at the top of the first-stage pressure regulating ejector rod, a first-stage pressure regulating spring is arranged at the bottom of the first pressure regulating bin, a leather film fastener is arranged at the bottom of the first-stage pressure regulating ejector rod, and the first-stage pressure regulating spring is in butt joint with the leather film fastener.
Preferably, the middle part of the inner cavity of the second pressure regulating bin is provided with a middle core pressure regulating rod, the middle core pressure regulating rod is coaxially provided with a second-stage pressure regulating valve cover, the outer wall of the second-stage pressure regulating valve cover is coaxially provided with a pressure regulating bearing plate and a leather membrane, the bottom of the middle core pressure regulating rod is provided with a pressure regulating lever, the left side of the second pressure regulating bin is provided with a pressure regulating valve opening assembly, the upper part of the pressure regulating valve opening assembly is provided with a pressure regulating piston and a pressure regulating rubber pad, and the end part of the pressure regulating lever is in butt joint with the pressure regulating piston.
Preferably, the left side threaded connection of second pressure regulating storehouse has overcurrent cutting device, overcurrent cutting device's end connection outlet duct.
Preferably, the top threaded connection of second pressure regulating storehouse has transparent leak hunting lid, the inner chamber top of transparent leak hunting lid is provided with the pointer guide pin bushing, and the top integrated into one piece of well core pressure regulating pole is provided with the leak hunting pointer, the top of leak hunting pointer inserts in the pointer guide pin bushing, the outer wall cover of leak hunting pointer is equipped with second grade pressure regulating valve spring and pressure regulating lid, second grade pressure regulating valve spring and pressure regulating lid butt.
Preferably, the outer wall cover of intake pipe establishes the hand wheel, hand wheel right side integrated into one piece sets up the screw thread sleeve, the end connection air inlet seal valve pad of intake pipe, screw thread sleeve is connected and is sealed through air inlet seal valve pad with outside trachea.
The two-stage pressure regulating valve provided by the utility model has the beneficial effects that: when the pressure is overlarge, the first pressure regulating bin is connected with a first pressure regulating ejector rod through a leather film, the leather film fastener moves downwards to drive the first pressure regulating ejector rod, a first pressure regulating assembly is arranged above the first pressure regulating ejector rod, when the first pressure regulating assembly is close to a first pressure regulating valve opening assembly, the air inflow can be reduced, so that the pressure in the bin is reduced, when the pressure in the first pressure regulating bin is smaller than that of a first pressure regulating spring, the first pressure regulating spring pushes the leather film fastener upwards to a balanced state, the first pressure regulating ejector rod is restored to an initial position, and in this way, the pressure is balanced to slow down the pressure, the second pressure regulating bin lifts the middle core pressure regulating rod upwards through the leather film, the middle core pressure regulating rod is connected with a pressure regulating lever, the pressure regulating piston moves downwards by a lever principle, a pressure regulating rubber pad is close to a sealing plug, the air inflow is reduced, and the conditions that gas or gas pressure is not easy to catch fire and lose fire and vitality are also invalid are effectively avoided when the function of two-stage pressure regulation is realized.
Drawings
FIG. 1 is a side view of a dual stage pressure regulating valve according to the present utility model;
FIG. 2 is a front view of a dual stage pressure regulating valve according to the present utility model;
FIG. 3 is a cross-sectional view of a dual stage pressure regulating valve according to the present utility model;
Fig. 4 is an axial side view of a two-stage pressure regulating valve according to the present utility model.
In the figure: the device comprises a flow-through cutting device 1, a pressure regulating valve port assembly 2, a sealing plug 3, a main valve body 4, a pressure regulating valve port assembly 5, a pressure regulating membrane 6, a pressure regulating bearing plate 7, a pressure regulating spring 8, a membrane fastener 9, a pressure regulating valve cover 10, a pressure regulating ejector rod 11, a pressure regulating assembly 12, a hand wheel 13, a gas inlet pipe 14, a sealing valve pad 15, a pressure regulating lever 16, a core pressure regulating rod 17, a pressure regulating valve cover 18, a pressure regulating valve cover 19, a pressure regulating valve spring 20, a leak detection pointer 21, a pointer guide sleeve 22, a transparent leak detection cover 23, a pressure regulating bearing plate 24, a membrane 25, a pressure regulating piston 26, a pressure regulating rubber pad 27, a second pressure regulating bin 28 and a first pressure regulating bin 29.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a two-stage pressure regulating valve comprises a main valve body 4, a first pressure regulating bin 29 is arranged at the bottom of the main valve body 4, a second pressure regulating bin 28 is arranged at the top of the main valve body 4, the right side of the main valve body 4 is in threaded connection with an air inlet pipe 14, an overcurrent cutting device 1 is arranged at the left side of the main valve body 4, the top of the second pressure regulating bin 28 is in threaded connection with a transparent leakage detecting cover 23, and the air inlet pipe 14 is communicated with the second pressure regulating bin 28 and the first pressure regulating bin 29.
The inner cavity of the first pressure regulating bin 29 is provided with a primary pressure regulating valve opening assembly 5, the pressure regulating valve opening assembly 5 is inserted with a primary pressure regulating ejector rod 11, the top of the primary pressure regulating ejector rod 11 is provided with a primary pressure regulating assembly 12, the bottom of the first pressure regulating bin 29 is provided with a primary pressure regulating spring 8, the bottom of the primary pressure regulating ejector rod 11 is provided with a leather film fastener 9, and the primary pressure regulating spring 8 is in butt joint with the leather film fastener 9.
The middle part of the inner cavity of the second pressure regulating bin 28 is provided with a middle core pressure regulating rod 17, the middle core pressure regulating rod 17 is coaxially provided with a second pressure regulating valve cover 18, the outer wall of the second pressure regulating valve cover 18 is coaxially provided with a pressure regulating bearing plate 24 and a coating film 25, the bottom of the middle core pressure regulating rod 17 is provided with a pressure regulating lever 16, the left side of the second pressure regulating bin 28 is provided with a pressure regulating valve port assembly 2, the upper part of the pressure regulating valve port assembly 2 is provided with a pressure regulating piston 26 and a pressure regulating rubber pad 27, the end part of the pressure regulating lever 16 is abutted to the pressure regulating piston 26, the left side of the second pressure regulating bin 28 is in threaded connection with an overcurrent cutting device 1, and the end part of the overcurrent cutting device 1 is connected with an air outlet pipe.
The top threaded connection of second pressure regulating storehouse 28 has transparent leak hunting lid 23, and transparent leak hunting lid 23's inner chamber top is provided with pointer guide pin bushing 22, and the integrated into one piece in the top of well core pressure regulating pole 17 is provided with leak hunting pointer 21, and the top of leak hunting pointer 21 inserts in pointer guide pin bushing 22, and the outer wall cover of leak hunting pointer 21 is equipped with second grade pressure regulating valve spring 19 and pressure regulating lid 20, and second grade pressure regulating valve spring 19 and pressure regulating lid 20 butt.
The outer wall of the air inlet pipe 14 is sleeved with a hand wheel 13, the right side of the hand wheel 13 is integrally formed with a threaded sleeve, the end part of the air inlet pipe 14 is connected with an air inlet sealing valve pad 15, and the threaded sleeve is connected with an external air pipe and is sealed through the air inlet sealing valve pad 15.
The working mode is as follows; when the pressure regulating device is used, the end part of the overcurrent cutoff device 1 is connected with an air pipe, the first pressure regulating bin 29 is connected with the first-stage pressure regulating ejector rod 11 through the leather film 25, when the pressure is overlarge, the leather film fastener 9 moves downwards to drive the first-stage pressure regulating ejector rod 11, the first-stage pressure regulating component 12 is arranged above the first-stage pressure regulating ejector rod 11, when the first-stage pressure regulating component 12 is close to the first-stage pressure regulating valve port component 5, the air inflow can be reduced, the pressure in the bin is reduced, when the pressure in the first pressure regulating bin 29 is smaller than the first-stage pressure regulating spring 8, the first-stage pressure regulating spring 8 pushes the leather film fastener 9 to a balanced state upwards, the first-stage pressure regulating ejector rod 11 returns to the initial position, so that the pressure reaches strong and weak balance to slow down the pressure, the second pressure regulating bin 29 lifts the middle-stage pressure regulating rod 17 upwards through the leather film 25, the middle-stage pressure regulating rod 17 is connected with the pressure regulating lever 16, the pressure regulating piston 26 moves downwards by the lever principle, the pressure regulating rubber pad 27 is close to the sealing plug 3, and the air inflow is reduced, and the function of two-stage pressure regulating is realized.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A two-stage pressure regulating valve comprising a main valve body (4), characterized in that: the bottom of the main valve body (4) is provided with a first pressure regulating bin (29), the top of the main valve body (4) is provided with a second pressure regulating bin (28), the right side of the main valve body (4) is in threaded connection with an air inlet pipe (14), the left side of the main valve body (4) is provided with an overcurrent cutting device (1), the top of the second pressure regulating bin (28) is in threaded connection with a transparent leak detection cover (23), and the air inlet pipe (14) is communicated with the second pressure regulating bin (28) and the first pressure regulating bin (29).
2. The two-stage pressure regulating valve according to claim 1, wherein: be provided with one-level pressure regulating valve mouth subassembly (5) in the inner chamber of first pressure regulating storehouse (29), peg graft on pressure regulating valve mouth subassembly (5) have one-level pressure regulating ejector pin (11), the top of one-level pressure regulating ejector pin (11) is provided with one-level pressure regulating subassembly (12), the bottom of first pressure regulating storehouse (29) is provided with one-level pressure regulating spring (8), the bottom of one-level pressure regulating ejector pin (11) is provided with involucra fastener (9), one-level pressure regulating spring (8) and involucra fastener (9) butt.
3. The two-stage pressure regulating valve according to claim 1, wherein: the inner chamber middle part of second pressure regulating storehouse (28) is provided with well core pressure regulating pole (17), be provided with second grade pressure regulating valve lid (18) on well core pressure regulating pole (17), the outer wall of second grade pressure regulating valve lid (18) is provided with pressure regulating bearing plate (24), involucra (25) coaxially, the bottom of well core pressure regulating pole (17) is provided with pressure regulating lever (16), the left side of second pressure regulating storehouse (28) is provided with pressure regulating valve mouth subassembly (2), the top of pressure regulating valve mouth subassembly (2) is provided with pressure regulating piston (26), pressure regulating rubber pad (27), the tip and the pressure regulating piston (26) butt of pressure regulating lever (16).
4. The two-stage pressure regulating valve according to claim 1, wherein: the left side threaded connection of second pressure regulating storehouse (28) has excessive current cutting device (1), the end connection outlet duct of excessive current cutting device (1).
5. The two-stage pressure regulating valve according to claim 1, wherein: the top threaded connection of second pressure regulating storehouse (28) has transparent leak hunting lid (23), the inner chamber top of transparent leak hunting lid (23) is provided with pointer guide pin bushing (22), and the top integrated into one piece of well core pressure regulating pole (17) is provided with leak hunting pointer (21), the top of leak hunting pointer (21) inserts in pointer guide pin bushing (22), the outer wall cover of leak hunting pointer (21) is equipped with second grade air-vent valve spring (19) and pressure regulating lid (20), second grade air-vent valve spring (19) and pressure regulating lid (20) butt.
6. The two-stage pressure regulating valve according to claim 1, wherein: the outer wall of the air inlet pipe (14) is sleeved with a hand wheel (13), the right side of the hand wheel (13) is integrally formed with a threaded sleeve, the end part of the air inlet pipe (14) is connected with an air inlet sealing valve pad (15), and the threaded sleeve is connected with an external air pipe and is sealed through the air inlet sealing valve pad (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642188.7U CN220850904U (en) | 2023-09-28 | 2023-09-28 | Two-stage pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642188.7U CN220850904U (en) | 2023-09-28 | 2023-09-28 | Two-stage pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850904U true CN220850904U (en) | 2024-04-26 |
Family
ID=90739516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322642188.7U Active CN220850904U (en) | 2023-09-28 | 2023-09-28 | Two-stage pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850904U (en) |
-
2023
- 2023-09-28 CN CN202322642188.7U patent/CN220850904U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220850904U (en) | Two-stage pressure regulating valve | |
| CN201757204U (en) | Pipeline gas safety protective valve | |
| CN116677803A (en) | Multifunctional pipeline gas self-closing valve | |
| CN201218345Y (en) | Self-closing valve for gas leakage, gas ultra-underpressure and hose drop-off of household pipe | |
| CN201180830Y (en) | Self-closing valve for household pipe gas ultra-underpressure, micro-leakage and falling of hose | |
| WO2008017259A1 (en) | A gas control valve | |
| CN108708999A (en) | A kind of low-pressure pilot-type safety valve | |
| CN113775802A (en) | Straight-pull type pipeline gas self-closing valve | |
| CN208764401U (en) | A kind of low-pressure pilot-type safety valve | |
| CN204201202U (en) | A kind of Depressure valve | |
| CN219062615U (en) | Intelligent closing device for abnormal flow of gas valve | |
| CN217815199U (en) | Axial-flow type gas pressure regulator | |
| CN201241832Y (en) | Compressor air inlet control valve | |
| CN112212041B (en) | Domestic gas self-closing valve with small force loss | |
| CN104225744A (en) | Portable positive-pressure automatic resuscitator | |
| CN202228214U (en) | Pressure regulating and pressure reducing device used for gas vehicle electric control jetting system | |
| CN107837470B (en) | Air supply valve of integrated expiratory valve of small volume | |
| CN204446849U (en) | A kind of Portable positive pressure automatic resuscitator | |
| CN111271499A (en) | Intelligent LPG medium voltage regulator | |
| CN2223397Y (en) | Multi-section gas protecting device | |
| CN217272168U (en) | Anti-clamping stagnation split pressure reducing valve | |
| CN212509535U (en) | Gas emergency cut-off valve opened under pressure | |
| CN215633416U (en) | Fuel steam emission control device | |
| CN220286506U (en) | High pressure difference regulating valve | |
| CN2517922Y (en) | Gas automatic stop socket valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |