CN216843305U - Self-operated pressure regulating valve - Google Patents
Self-operated pressure regulating valve Download PDFInfo
- Publication number
- CN216843305U CN216843305U CN202220490810.XU CN202220490810U CN216843305U CN 216843305 U CN216843305 U CN 216843305U CN 202220490810 U CN202220490810 U CN 202220490810U CN 216843305 U CN216843305 U CN 216843305U
- Authority
- CN
- China
- Prior art keywords
- valve
- cover
- self
- operated pressure
- assembly
- 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
Abstract
The utility model discloses a self-operated pressure regulating valve, which belongs to the technical field of valves and comprises a valve body, a valve cover, a membrane cover component and a protective cover, wherein the central axes of the valve cover, the membrane cover component and the protective cover are superposed; an inlet channel, a valve port and an outlet channel are arranged in the valve body; the valve rod component moves along the central axis to drive the valve plate to move linearly so as to realize the control of the opening and closing of the valve port; a control assembly that controls movement of the valve stem component. The valve rod component is arranged along the central axis of the valve body and the valve core, the valve plate position is adjusted by controlling the movement of the valve rod component through the control assembly, pressure adjustment can be realized only through power of an adjusted medium, meanwhile, the movement of the valve rod component is linear movement, and the response speed and the control precision of the corresponding adjusting valve are high.
Description
Technical Field
The utility model belongs to the technical field of the valve, concretely relates to self-operated pressure regulating valve.
Background
The regulating valve is also called control valve, and is a device for changing and regulating technological parameters of pipeline medium flow, pressure, temperature and liquid level by power operation in the field of industrial automation process control. The device mainly comprises an operation executing mechanism and a regulating valve body, receives related signals and changes the opening of the valve, thereby achieving the continuous regulation of the process parameters of the pipeline medium.
The existing regulating valve generally needs external energy to realize pressure regulation, and meanwhile, the response speed and the control precision of the regulating valve cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-operated pressure regulating valve to provide the problem of current governing valve in the use among the solution above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a self-operated pressure regulating valve comprises a valve body, a valve cover, a membrane cover assembly and a protective cover, wherein the central axes of the valve cover, the membrane cover assembly and the protective cover are superposed;
an inlet channel, a valve port and an outlet channel are arranged in the valve body;
the valve rod component moves along the central axis to drive the valve plate to move linearly, so that the opening and closing of the valve port are controlled;
a control assembly that controls movement of the valve stem member.
Preferably, the valve stem member comprises an upper valve stem and a lower valve stem.
Preferably, the control assembly includes a diaphragm assembly disposed within the diaphragm cover assembly and an adjustment assembly disposed within the protective cover.
Preferably, the diaphragm assembly comprises a diaphragm, a tray for supporting the diaphragm and a locking member for positioning and fixing the diaphragm.
Preferably, the adjustment assembly includes an upper pressure plate fixed to an end of the upper stem and a spring disposed within the protective cover.
Preferably, the valve cover and the valve body, and the valve cover and the membrane cover assembly are connected through bolts.
Preferably, a positioning sheet is arranged at the joint of the valve cover and the valve body.
Preferably, a connecting member is provided between the protective cover and the membrane cover assembly.
Preferably, the valve plate and the valve body, the contact part of the lower valve rod and the valve cover and the contact part of the upper valve rod and the connecting part are provided with sealing rings.
Preferably, the material of the regulating valve and the medium contact part is full-lined fluoroplastic.
Compared with the prior art, the beneficial effects of the utility model are that:
the valve rod component is arranged along the central axis of the valve body and the valve core, the valve plate position is adjusted by controlling the movement of the valve rod component through the control assembly, pressure adjustment can be realized only through power of an adjusted medium, meanwhile, the movement of the valve rod component is linear movement, and the response speed and the control precision of the corresponding adjusting valve are high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
fig. 4 is a schematic view of the overall structure of the present invention.
In the figure: 1. a valve body; 1a, an inlet channel; 1b, a valve port; 1c, an outlet channel; 2. a valve cover; 3. a membrane cover assembly; 4. a protective cover; 5. a valve stem member; 5a, an upper valve rod; 5b, a lower valve rod; 6. a valve plate; 7. a control component; 70. a diaphragm assembly; 700. a membrane; 701. a tray; 702. a locking member; 71. an adjustment assembly; 710. an upper pressure plate; 711. a spring; 8. positioning plates; 9. a gasket; 10. a connecting member; 11. and (5) sealing rings.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a self-operated pressure regulating valve is hereinafter referred to as a regulating valve, and comprises a valve body 1, a valve cover 2, a membrane cover assembly 3 and a protective cover 4, wherein an inlet channel 1a and an outlet channel 1c are arranged in the valve body 1, a valve port 1b is arranged between the inlet channel 1a and the outlet channel 1c, the regulating valve further comprises a valve rod part 5 arranged along the central axes of the valve cover 2 and the membrane cover assembly 3 and a valve plate 6 fixed at the end part of the valve rod part 5, and the valve rod part 5 moves along the central axis of the valve cover 2 to drive the valve plate 6 to move linearly so as to realize the control of the opening and closing of the valve port 1 b.
Further, the stem member 5 includes a lower stem 5b and an upper stem 5 a.
Further, the regulating valve is also provided with a control assembly 7 for controlling the movement of the valve rod, wherein the control assembly 7 comprises a membrane assembly 70 arranged in the membrane cover assembly 3 and a regulating assembly 71 arranged in the protective cover 4.
The diaphragm assembly 70 includes a diaphragm 700, a tray 701 supporting the diaphragm 700, and a locking member 702 fixing the diaphragm 700 in position, wherein the tray 701 is fixed to one end of the lower stem 5b and the locking member 702 is fixed to the end of the upper stem 5a by screwing.
The adjusting assembly 71 comprises an upper pressing plate 710 fixed at the end of the upper valve rod 5a and a spring 711 arranged on the protective cover 4, when the upper pressing plate 710 moves linearly along with the upper valve rod 5a, one end of the spring 711 moves synchronously along with the upper pressing plate 710, and the other end of the spring 711 is fixed, thereby realizing the adjustment of the expansion and contraction amount of the spring 711.
When the pressure difference between the pressure on the air inlet channel and the pressure on the air outlet channel reaches a set value, the lower pressure borne by the valve plate 6 is greater than the upper pressure, the valve plate 6 moves upwards under the action of the pressure difference, the valve rod component 5 and the upper pressure plate 710 synchronously move along with the valve plate 6 and stretch the spring 721720, the upper pressure borne by the valve plate 6 is gradually increased, when the upper pressure and the lower pressure are equal again, the valve plate 6 stops moving, and the pressure difference between the inlet channel 1a and the outlet channel is a stable value, so that the inlet pressure and the outlet pressure are maintained at constant values.
Meanwhile, the worker can adjust the position of the upper pressure plate 710 on the upper valve rod 5a, so as to adjust the initial expansion and contraction amount of the spring 711, so as to change the magnitude of the pressure difference required by opening the pressure regulating valve, and preferably, the worker can adjust the position of the upper pressure plate 710 by rotating a bolt.
Further, the valve cover 2 and the valve body 1, and the valve cover 2 and the membrane cover assembly 3 are connected through bolts.
Further, the joint of the valve cover 2 and the valve body 1 is provided with a positioning sheet 8, the joint of the positioning sheet 8 and the valve body 1 is provided with a gasket 9, and the positioning sheet 8 can position the installation position of the valve cover 2 on the one hand and can improve the stability of the valve rod part 5 during movement on the other hand.
Further, a connecting part 10 is arranged between the connecting part of the protective cover 4 and the membrane cover assembly 3, and by arranging the connecting part 10, on one hand, the installation of the spring 721720 is facilitated, and on the other hand, the sealing performance and the stability of the connecting position of the protective cover 4 and the membrane cover assembly 3 are improved.
Further, the connection part of the valve plate 6 and the valve body 1, the contact part of the lower valve rod 5b and the valve cover 2, and the contact part of the upper valve rod 5a and the connection part 10 are all provided with sealing rings 11, preferably O-shaped sealing rings, and the stability of the regulating valve in an idle state and an operating state can be improved by arranging the sealing rings 11.
Furthermore, the material of the contact part of the regulating valve and the medium is full-lined fluoroplastic, and the regulating valve has excellent corrosion resistance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A self-operated pressure regulating valve is characterized in that: comprises that
The valve comprises a valve body (1), a valve cover (2), a membrane cover assembly (3) and a protective cover (4), wherein the central axes of the valve cover (2), the membrane cover assembly (3) and the protective cover (4) are superposed;
an inlet channel (1a), a valve port (1b) and an outlet channel (1c) are arranged in the valve body (1);
the valve rod component (5) is arranged along the central axis, and the valve plate (6) is fixed at the end part of the valve rod component (5), the valve rod component (5) moves along the central axis to drive the valve plate (6) to move linearly, so that the opening and closing of the valve port (1b) are controlled;
a control assembly (7) for controlling the movement of the valve stem member (5).
2. A self-operated pressure regulator valve as defined in claim 1, wherein: the stem member (5) includes an upper stem (5a) and a lower stem (5 b).
3. A self-operated pressure regulator valve as defined in claim 2, wherein: the control assembly (7) comprises a diaphragm assembly (70) arranged in the diaphragm cover assembly (3) and an adjusting assembly (71) arranged in the protective cover (4).
4. A self-operated pressure regulator valve as defined in claim 3, wherein: the diaphragm assembly (70) comprises a diaphragm (700), a tray (701) for supporting the diaphragm (700), and a locking piece (702) for positioning and fixing the diaphragm (700).
5. A self-operated pressure regulator valve as defined in claim 3, wherein: the adjusting assembly (71) comprises an upper pressure plate (710) fixed at the end of the upper valve rod (5a) and a spring (711) arranged in the protective cover (4).
6. A self-operated pressure regulator valve as defined in claim 1, wherein: the valve cover (2) is connected with the valve body (1) and the valve cover (2) is connected with the membrane cover assembly (3) through bolts.
7. A self-operated pressure regulator valve as defined in claim 1, wherein: and a positioning sheet (8) is arranged at the joint of the valve cover (2) and the valve body (1).
8. A self-operated pressure regulator valve as defined in claim 2, wherein: a connecting part (10) is arranged between the protective cover (4) and the membrane cover component (3).
9. A self-operated pressure regulator valve as defined in claim 8, wherein: the valve plate (6) with the valve body (1), lower valve rod (5b) with the contact site of valve gap (2) and go up valve rod (5a) with the contact site of adapting unit (10) all is equipped with sealing washer (11).
10. A self-operated pressure regulator valve as defined in claim 1, wherein: the contact parts of the regulating valve and the medium are all made of fluoroplastic lined completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220490810.XU CN216843305U (en) | 2022-03-08 | 2022-03-08 | Self-operated pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220490810.XU CN216843305U (en) | 2022-03-08 | 2022-03-08 | Self-operated pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216843305U true CN216843305U (en) | 2022-06-28 |
Family
ID=82094270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220490810.XU Active CN216843305U (en) | 2022-03-08 | 2022-03-08 | Self-operated pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216843305U (en) |
-
2022
- 2022-03-08 CN CN202220490810.XU patent/CN216843305U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101181490B1 (en) | Auto-control heating system of district heating and control method for heating | |
| CN216843305U (en) | Self-operated pressure regulating valve | |
| CN204213426U (en) | Interior pressure Self-operated pressure reducing valve | |
| CN104514901A (en) | Plastic sealing type pilot-operated safety valve | |
| CN218377741U (en) | Small-sized temperature control regulating valve | |
| CN201137747Y (en) | Self-operated flow-temperature assembled regulation valve | |
| CN201152385Y (en) | Self-operated type flow control valve | |
| CN203571134U (en) | Plastic sealing pilot operated safety valve | |
| CN211715801U (en) | Internal feedback self-operated pressure regulating valve | |
| CN111271472A (en) | Intelligent electric corrugated pipe regulating valve | |
| CN210890162U (en) | Low-temperature pressure reduction regulating valve | |
| CN201068989Y (en) | Two-way, three-way interchangeable electric valve | |
| CN217683433U (en) | High-precision self-operated fluorine-lined pressure reducing valve | |
| CN215673655U (en) | Z-shaped high-pressure-difference single-seat regulating valve | |
| CN202118331U (en) | Self-operated pressure regulating valve capable of utilizing inner pressure | |
| CN214119068U (en) | Pneumatic film large-adjustable-ratio regulating valve | |
| CN1032603C (en) | Pressure-differential piston automatic pressure-reducing valve with auxiliary control | |
| CN216131440U (en) | Low-temperature self-operated pressure regulating valve | |
| CN219827905U (en) | Pressure reducing valve with built-in water pressure self-control pipeline | |
| CN205715946U (en) | A kind of water pipeline regulation valve | |
| CN220152011U (en) | Single-seat regulating valve and working system | |
| CN217815068U (en) | Adjusting structure of pneumatic adjusting valve | |
| CN220378886U (en) | Gas control regulating valve | |
| CN219975403U (en) | Adjusting valve for water supply | |
| CN2192783Y (en) | Automatic pressure reduce valve of differential pressure piston with auxiliary controlled |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |