CN216951852U - Liquid pressure regulating valve - Google Patents
Liquid pressure regulating valve Download PDFInfo
- Publication number
- CN216951852U CN216951852U CN202120456392.8U CN202120456392U CN216951852U CN 216951852 U CN216951852 U CN 216951852U CN 202120456392 U CN202120456392 U CN 202120456392U CN 216951852 U CN216951852 U CN 216951852U
- Authority
- CN
- China
- Prior art keywords
- pressure regulating
- valve
- liquid
- pressure
- sealing
- 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 liquid pressure regulating valve, which comprises a valve body, a valve core assembly and a pressure regulating assembly, wherein the valve body is provided with a liquid inlet, a liquid outlet and a fluid channel for communicating the liquid inlet and the liquid outlet; the valve core assembly is arranged in the fluid channel and comprises a valve needle and a sealing assembly arranged opposite to one end of the valve needle, the valve needle is arranged in the valve body, and the sealing assembly is arranged in the fluid channel; the pressure regulating assembly is arranged on the valve body and connected with the valve needle and used for regulating the position of the sealing assembly in the fluid channel to increase or reduce the flow area of the fluid channel so as to regulate the pressure of the fluid. The utility model improves the structure of the liquid pressure regulating valve and improves the stability of liquid pressure regulation.
Description
Technical Field
The utility model relates to the technical field of pressure valves, in particular to a liquid pressure regulating valve.
Background
Industrial applications for fluids involve a wide variety of pressure regulating valves, and the fluid media used have various complex properties, such as high viscosity, corrosiveness, etc. Especially in the spray area, the flow and pressure control of the paint is very demanding.
At present, pressure regulating valves for regulating paint pressure have unstable pressure regulation in the use process, so that the fluid flow supply in a pipeline is unstable, and the automatic spraying quality is poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a liquid pressure regulating valve, aiming at improving the stability of liquid pressure regulation.
In order to achieve the above object, the present invention provides a liquid pressure regulating valve, including:
the valve body is provided with a liquid inlet, a liquid outlet and a fluid channel communicated with the liquid inlet and the liquid outlet;
the valve core assembly is arranged in the fluid channel and comprises a valve needle and a sealing assembly arranged opposite to one end of the valve needle, the valve needle is arranged in the valve body, and the sealing assembly is arranged in the fluid channel; and
the pressure regulating assembly is arranged on the valve body and connected with the valve needle and used for regulating the position of the sealing assembly in the fluid channel to increase or reduce the flow area of the fluid channel so as to regulate the fluid pressure.
In one embodiment, a valve port is formed within the fluid passageway, the seal assembly comprising:
the sealing ring is arranged at a valve port of the fluid channel and is provided with a circulating port; and
the sealing ball is movably arranged in the flow opening in a switching way between a sealing position and an opening position and is oppositely arranged corresponding to the second end of the valve needle;
in the sealing position, the sealing ball closes the flow port to block liquid flow;
in the open position, the sealing bead opens the flow port to allow liquid flow.
In one embodiment, the sealing ball abuts against an inner wall of the fluid passage through a first elastic member.
In one embodiment, the voltage regulating assembly includes:
the pressure regulating handle is provided with an insertion end and a protruding end which are oppositely arranged, the insertion end of the pressure regulating handle is rotatably inserted into the valve body, and the protruding end of the pressure regulating handle is outwards extended so as to manually regulate the fluid pressure;
the compression plate is connected with the insertion end of the pressure regulating handle; and
the pressure regulating diaphragm, the compression board is back to the one end of pressure regulating handle pass through the second elastic component with the one end of pressure regulating diaphragm is connected, the other end of pressure regulating diaphragm with the needle is connected.
In one embodiment, the extending end of the pressure regulating handle is provided with a regulating knob, and the outer wall of the regulating knob is provided with anti-skid grains.
In one embodiment, the first elastic member is a spring; the second elastic piece is a spring.
In one embodiment, a mounting cavity for mounting the pressure regulating handle and the compression plate is formed in the valve body, and the pressure regulating diaphragm is mounted between the mounting cavity and the fluid channel through a fixing assembly so as to separate the fluid channel from the mounting cavity;
the fixed subassembly is including locating respectively first fixed plate and second fixed plate in the valve body, the pressure regulating diaphragm is located first fixed plate with between the second fixed plate.
In one embodiment, the liquid pressure regulating valve further comprises:
and the paired wires are embedded in the valve body and communicated with the fluid channel to form the liquid inlet.
In one embodiment, the valve body further forms a pressure detection port communicating with the fluid passage, and the liquid pressure regulating valve further includes:
and the pressure gauge is arranged on the pressure detection port and used for detecting the pressure value of the fluid.
In one embodiment, the valve body comprises:
the valve seat is provided with the liquid inlet, the liquid outlet and the fluid channel; and
a valve cover arranged on the valve seat and provided with the installation cavity
In the technical scheme of the utility model, the liquid pressure regulating valve comprises a valve body, a valve core assembly and a pressure regulating assembly, wherein the valve body is provided with a liquid inlet, a liquid outlet and a fluid channel communicated with the liquid inlet and the liquid outlet, the valve core assembly is arranged in the fluid channel and comprises a valve needle and a sealing assembly arranged opposite to one end of the valve needle, the valve needle is arranged in the valve body, the sealing assembly is arranged in the fluid channel, the pressure regulating assembly is arranged in the valve body, and the pressure regulating assembly is connected with the valve needle and is used for regulating the position of the sealing assembly in the fluid channel to increase or reduce the flow area of the fluid channel so as to regulate the fluid pressure and improve the stability of liquid pressure regulation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of a liquid pressure regulating valve according to the present invention;
FIG. 2 is a cross-sectional view of one embodiment of a liquid pressure regulating valve of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | |
| Liquid inlet | |
| 200 | |
| Liquid outlet | |
| 300 | |
| Fluid channel | |
| 210 | |
220 | |
|
| | Valve port | 221 | |
|
| 222 | |
310 | |
|
| 320 | |
330 | Pressure regulating |
|
| 311 | Adjusting |
230 | First |
|
| 340 | Second |
101 | |
|
| 110 | |
120 | |
|
| 100e | |
350 | |
|
| 351 | |
352 | Second fixing plate |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative position relationship between the components, the motion situation, and the like under a certain posture (as shown in the drawing), and if the certain posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Industrial applications for fluids involve a wide variety of pressure regulating valves, and the fluid media used have various complex properties, such as high viscosity, corrosiveness, etc. Especially in the spray area, the flow and pressure control of the paint is very demanding.
In some exemplary techniques, pressure regulating valves used to regulate paint pressure are subject to pressure regulation instability during use, resulting in unstable fluid flow supply in the piping, resulting in poor automated spray quality.
In order to improve the stability of the liquid pressure regulation, the utility model provides a liquid pressure regulating valve which is suitable for pressure regulation of various fluid media, in particular to a liquid with high viscosity and corrosiveness, and is not limited herein.
Referring to fig. 1 and 2, in an embodiment of the present invention, the liquid pressure regulating valve includes a valve body 100, a valve core assembly 200 and a pressure regulating assembly 300, wherein the valve body 100 is formed with a liquid inlet 100a, a liquid outlet 100b and a fluid passage 100c for communicating the liquid inlet 100a and the liquid outlet 100 b; the valve core assembly 200 is disposed in the fluid channel 100c, the valve core assembly 200 includes a valve needle 210 and a sealing assembly 220 disposed opposite to one end of the valve needle 210, the valve needle 210 is disposed in the valve body 100, and the sealing assembly 220 is disposed in the fluid channel 100 c; the pressure regulating assembly 300 is installed on the valve body 100, and the pressure regulating assembly 300 is connected to the valve needle 210 and is used for regulating the position of the sealing assembly 220 in the fluid passage 100c to increase or decrease the flow area of the fluid passage 100c so as to regulate the magnitude of the fluid pressure.
The valve body 100 may be made of a metal material with characteristics of high strength, corrosion resistance, and the like, and may be an integrally formed structure, or a split structure including a valve seat 110 and a valve cover 120, where the valve seat 110 is provided with the above-mentioned liquid inlet 100a, liquid outlet 100b, and fluid channel 100c, and the valve cover 120 may be covered on the valve seat 110 and provided with an installation cavity for installing each component, and of course, in some other embodiments, the valve body 100 may also adopt a combination of more parts, which is not limited here.
In this embodiment, the sealing assembly 220 may include a sealing element and an on-off element disposed in the sealing element, a flow port for accommodating/flowing fluid of the on-off element may be formed in the middle of the sealing element, the sealing element may be made of plastic or rubber, and the on-off element may be a steel ball or other component with good wear resistance and sealing performance, which is not limited herein.
It should be noted that the pressure adjustment assembly 300 may include a handle shaft and a geared or threaded knob coupled to the handle shaft. During use, an operator may adjust the magnitude of the fluid pressure by rotating a knob to adjust the position of the seal assembly 220 in the fluid passage 100c to increase or decrease the flow area of the fluid passage 100 c.
It can be understood that, the valve body 100 of the liquid pressure regulating valve of the present invention is formed with an inlet 100a, an outlet 100b and a fluid passage 100c communicating the inlet 100a and the outlet 100b, the valve core assembly 200 is disposed in the fluid passage 100c, the valve core assembly 200 includes a valve needle 210 and a sealing assembly 220 disposed opposite to one end of the valve needle 210 (when the fluid pressure is regulated, the valve needle 210 moves forward to abut against the sealing assembly 220 to regulate the position of the sealing assembly 220), the valve needle 210 is disposed in the valve body 100, the sealing assembly 220 is disposed in the fluid passage 100c, the pressure regulating assembly 300 is mounted on the valve body 100, and the pressure regulating assembly 300 is connected to the valve needle 210 for regulating the position of the sealing assembly 220 in the fluid passage 100c to increase or decrease the flow area of the fluid passage 100c to regulate the magnitude of the fluid pressure, thereby improving the stability of the regulation of the liquid pressure.
In order to achieve a better sealing effect and avoid liquid leakage, in an embodiment, referring mainly to fig. 2, a valve port 100d is formed in the fluid channel 100c, the sealing assembly 220 may include a sealing ring 221 and a sealing ball 222, the sealing ring 221 is disposed at the valve port 100d of the fluid channel 100c, the sealing ring 221 is provided with a flow opening, and the sealing ball 222 is movably disposed in the flow opening in the sealing position and the opening position and is disposed opposite to the second end of the valve needle 210. In the sealing position, sealing bead 222 closes off the flow port to prevent liquid flow; in the open position, the sealing bead 222 opens the flow port to allow fluid flow.
Further, in the present embodiment, referring mainly to fig. 2, the sealing ball 222 may abut against the inner wall of the fluid channel 100c through the first elastic member 230. The first elastic member 230 may be a spring or an elastic plastic body, and the specification of the spring may match with the size of the sealing ball 222, but not limited thereto.
Referring to fig. 2, in an embodiment, the pressure regulating assembly 300 may include a pressure regulating handle 310, a compression plate 320 and a pressure regulating membrane 330, the pressure regulating handle 310 has an insertion end and a protruding end which are oppositely arranged, the insertion end of the pressure regulating handle 310 is rotatably inserted into the valve body 100, and the protruding end of the pressure regulating handle 310 is outwardly protruded for manually regulating the fluid pressure; the compression plate 320 is connected with the insertion end of the pressure regulating handle 310; one end of the compression plate 320 facing away from the compression handle 310 may be connected to one end of the pressure regulating diaphragm 330 through the second elastic member 340, and the other end of the pressure regulating diaphragm 330 is connected to the valve needle 210.
In this embodiment, referring to fig. 1, an external thread may be disposed at one end of the pressure regulating handle 310, an internal thread or an embedded nut may be disposed in the corresponding insertion hole of the valve body 100, the compression plate 320 may be transversely disposed in the installation cavity of the valve body 100, the pressure regulating membrane 330 may be connected to the compression plate 320 through the second elastic member 340, and the pressure regulating membrane 330 may be transversely disposed between the installation cavity of the valve body 100 and the fluid channel 100c to separate the installation cavity from the fluid channel 100c, so as to prevent the liquid in the fluid channel 100c from flowing into the installation cavity and seeping out along the installation hole of the pressure regulating handle 310.
The second elastic member 340 may be a spring or an elastic plastic body.
In this embodiment, referring to fig. 1 and 2, the extending end of the pressure regulating handle 310 may be provided with an adjusting knob 311, and the outer wall of the adjusting knob 311 may be provided with anti-slip threads to increase friction force and facilitate the operator to regulate the fluid pressure.
Further, referring mainly to fig. 2, a mounting cavity for mounting the pressure regulating handle 310 and the compression plate 320 is formed in the valve body 100, and the pressure regulating diaphragm 330 is mounted between the mounting cavity and the fluid passage 100c through a fixing assembly 350 to separate the fluid passage 100c from the mounting cavity; the fixing assembly 350 may include a first fixing plate 351 and a second fixing plate 352 respectively disposed in the valve body 100, and the pressure regulating diaphragm 330 is disposed between the first fixing plate 351 and the second fixing plate 352.
It should be noted that the pressure regulating membrane 330 is made of a material with a certain deformation capability, the size of the fixing component 350 can determine the allowable deformation of the pressure regulating membrane 330 during pressure regulation, and the first fixing plate 351 located at the upper end of the pressure regulating membrane 330 can prevent the second elastic member 340 from directly pressing on the pressure regulating membrane 330 to cause scratch.
As shown in fig. 2, when the liquid pressure regulating valve is in a state where the fluid pressure is near zero, the sealing ball 222 and the sealing ring 221 are in a sealing state by the elastic force of the first elastic member 230, and at this moment, the pressure regulating handle 310 does not apply pressure to the second elastic member 340, and the fluid cannot enter the valve body 100 of the liquid pressure regulating valve. When the valve is used, the pressure regulating handle 310 is rotated to press the second elastic member 340 forward against the compression plate 320, the spring force acts forward on the pressure regulating diaphragm 330, the pressure regulating diaphragm 330 is pressed to deform, the valve needle 210 pushes the sealing ball 222 forward, and the fluid enters the fluid passage 100c in the valve body 100. When the fluid pressure in the valve reaches the required pressure value, i.e. the fluid pressure is balanced with the spring force, the fluid pressure acts on the pressure regulating diaphragm 330 backward, the valve needle 210 retreats, the sealing ball 222 is restored in the sealing ring 221 under the elastic force of the first elastic member 230 to form a seal, and the fluid in the fluid inlet 100a is isolated. It should be noted that this is a dynamic balance state, after all, fluid is to be pressure-regulated by the valve body 100 and delivered to other devices, the flow rate in the pipeline is slightly low, the spring will immediately press the pressure-regulating diaphragm 330 and the valve needle 210 to push the sealing ball 222 open, the fluid enters the valve, and once the pressure in the valve reaches the set pressure, the sealing ball 222 will immediately seal the valve port 100 d. In the pressure range, the required pressure is adjusted at will, the valve automatically eliminates the residual pressure head of the pipeline and the pressure deviation caused by pressure fluctuation under the action of fluid, and the fluid pressure in the pipeline can keep the set pressure unchanged no matter how the system pressure changes.
The liquid pressure regulating valve has the advantages of small volume, simple structure and sensitive pressure response, the required pressure can be arbitrarily regulated and set within the pressure range, the pressure deviation caused by residual pressure head and pressure fluctuation of the pipeline can be automatically eliminated by the pressure regulating valve under the action of fluid, the fluid pressure in the pipeline can be kept unchanged at the set pressure no matter how the system pressure changes, and particularly, when the low-flow medium-low pressure control is carried out at a terminal in the spraying field, the pressure regulating valve has stable pressure regulation, certain corrosion resistance and longer service life of a product.
Referring to fig. 1 and 2, in some embodiments, the valve body 100 may further be formed with a pressure detection port 100e communicating with the fluid passage 100c, and the liquid pressure regulating valve may further include a pressure gauge which may be installed at the pressure detection port 100e for detecting a pressure value of the fluid.
Wherein, the liquid outlet 100b of the pressure regulating valve can be arranged opposite to the pressure detecting port 100e, and the liquid outlet 100b is communicated with the output pipeline.
In some embodiments, the liquid pressure regulating valve may further include a pair of wires 101, and the pair of wires 101 are embedded in the valve body 100 and connected to the fluid passage 100c to form the liquid inlet port 100 a. So set up, can conveniently connect into liquid pipeline, promote the operation convenience.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A liquid pressure regulating valve, said liquid pressure regulating valve comprising:
the valve body is provided with a liquid inlet, a liquid outlet and a fluid channel communicated with the liquid inlet and the liquid outlet;
the valve core assembly is arranged in the fluid channel and comprises a valve needle and a sealing assembly arranged opposite to one end of the valve needle, the valve needle is arranged in the valve body, and the sealing assembly is arranged in the fluid channel; and
the pressure regulating assembly is arranged on the valve body, is connected with the valve needle and is used for regulating the position of the sealing assembly in the fluid channel to increase or reduce the flow area of the fluid channel so as to regulate the magnitude of fluid pressure;
wherein, a valve port is formed in the fluid channel, and the sealing component is arranged at the valve port.
2. The liquid pressure regulating valve according to claim 1, wherein said seal assembly comprises:
the sealing ring is arranged at a valve port of the fluid channel and is provided with a circulating port; and
the sealing ball is movably arranged in the flow opening in a switching way between a sealing position and an opening position and is oppositely arranged corresponding to the second end of the valve needle;
in the sealing position, the sealing ball closes the flow port to block liquid flow;
in the open position, the sealing bead opens the flow port to allow liquid flow.
3. The liquid pressure regulating valve according to claim 2, wherein said sealing ball abuts against an inner wall of said fluid passage via a first elastic member.
4. The liquid pressure regulating valve according to claim 3, wherein said pressure regulating assembly comprises:
the pressure regulating handle is provided with an insertion end and a stretching end which are oppositely arranged, the insertion end of the pressure regulating handle is rotatably inserted into the valve body, and the stretching end of the pressure regulating handle is stretched outwards to manually regulate the fluid pressure;
the compression plate is connected with the insertion end of the pressure regulating handle; and
the pressure regulating diaphragm, the compression board is dorsad the one end of pressure regulating handle pass through the second elastic component with the one end of pressure regulating diaphragm is connected, the other end of pressure regulating diaphragm with the needle is connected.
5. The liquid pressure regulating valve according to claim 4, wherein an extending end of said pressure regulating handle is provided with an adjusting knob, and the outer wall of said adjusting knob is provided with anti-skid threads.
6. The liquid pressure regulating valve according to claim 4, wherein said first elastic member is a spring; the second elastic piece is a spring.
7. The liquid pressure regulating valve according to claim 4, wherein a mounting chamber for mounting said pressure regulating handle and said compression plate is formed in said valve body, and said pressure regulating diaphragm is mounted between said mounting chamber and said flow path by a fixing member to separate said flow path from said mounting chamber;
the fixed subassembly is including locating respectively first fixed plate and second fixed plate in the valve body, the pressure regulating diaphragm is located first fixed plate with between the second fixed plate.
8. The liquid pressure regulating valve of claim 1, further comprising:
and the paired wires are embedded in the valve body and communicated with the fluid channel to form the liquid inlet.
9. The liquid pressure regulating valve according to claim 1, wherein said valve body is further formed with a pressure detection port communicating with said fluid passage, said liquid pressure regulating valve further comprising:
and the pressure gauge is arranged on the pressure detection port and used for detecting the pressure value of the fluid.
10. The liquid pressure regulating valve according to claim 7, wherein said valve body comprises:
the valve seat is provided with the liquid inlet, the liquid outlet and the fluid channel; and
and the valve cover is covered on the valve seat and is provided with the mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120456392.8U CN216951852U (en) | 2021-03-02 | 2021-03-02 | Liquid pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120456392.8U CN216951852U (en) | 2021-03-02 | 2021-03-02 | Liquid pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951852U true CN216951852U (en) | 2022-07-12 |
Family
ID=82288695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120456392.8U Active CN216951852U (en) | 2021-03-02 | 2021-03-02 | Liquid pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951852U (en) |
-
2021
- 2021-03-02 CN CN202120456392.8U patent/CN216951852U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101232436B1 (en) | Adjustment valve | |
| US3995656A (en) | High pressure gas regulator | |
| US6827100B1 (en) | Pressure independent control valve | |
| AU768719B2 (en) | Pressure independent control valve | |
| US4664136A (en) | Pressure regulating transducer | |
| JP2000193106A (en) | Flow control valve | |
| US20050039797A1 (en) | Pressure independent control valve | |
| CA2351967C (en) | Compressed gas regulator and flowmeter | |
| KR20100084121A (en) | Valve for controlling back pressure | |
| KR20090013239A (en) | Fluid pressure regulator | |
| CN216951852U (en) | Liquid pressure regulating valve | |
| US3482591A (en) | Pressure regulator valve | |
| CN216951676U (en) | Liquid back pressure valve | |
| US7392828B2 (en) | Insertion part for inserting into a gas or liquid line | |
| CA2396429A1 (en) | Pressure regulating valve | |
| JP3787233B2 (en) | Pressure control valve | |
| CN107727316B (en) | Sealing performance detection device for fixed ball valve | |
| GB2298026A (en) | Pressure reducing valve | |
| US4352372A (en) | Precision flow control device | |
| US9671299B2 (en) | Fluid regulator having a retractable sense tube | |
| EP0081229B1 (en) | Pressure regulator | |
| CN114151587A (en) | Fluid pressure regulating valve | |
| CN208900256U (en) | Check valve-type fuel oil for vehicles pressure regulator | |
| US3391900A (en) | Diaphragm flow control device | |
| CN107806524B (en) | Axial-flow type water control pressure reducing valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |