CN213808914U - Butterfly valve with pressure test function - Google Patents
Butterfly valve with pressure test function Download PDFInfo
- Publication number
- CN213808914U CN213808914U CN202022827427.2U CN202022827427U CN213808914U CN 213808914 U CN213808914 U CN 213808914U CN 202022827427 U CN202022827427 U CN 202022827427U CN 213808914 U CN213808914 U CN 213808914U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- pressure measuring
- piston
- seat
- 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 butterfly valve with pressure test function, including valve body, valve shaft, valve plate, spacing seat, pressure measuring pole, piston, regulation seat, spring, compress tightly round pin and protection casing, the valve plate is located inhalant canal, spacing seat spiro union fixed mounting is on the valve body, piston seal slidable mounting is on the valve body. Be provided with the pressure identification point on the depression bar of operating personnel accessible and carry out the numerical value of reading liquid pressure of flowing, the high positional stability of the depression bar that awaits measuring, express the steady pressure that liquid flows promptly, operating personnel screws up the pressure pin this moment and fixes a position the pressure measurement pole can, then the pipeline of control intercommunication water channel connection to the mediation state can, this butterfly valve can the accurate numerical value that records liquid pressure of flowing, and accomplish the back in the survey, can fix the height of piston, can not lead to the fact the influence to the subsequent user state of valve, have simple structure and convenient operation's advantage.
Description
The technical field is as follows:
the utility model belongs to the technical field of the valve, especially, relate to a butterfly valve with pressure test function.
Background art:
a butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. In actual use, in order to test the flowing pressure of liquid to the numerical value that regulation and control supplied hydraulic pressure end adopts pressure sensor or the mode that uses the manometer test usually, and the mode that adopts the pressure sensor test needs connecting circuit, consequently need carry out daily power supply and maintain, adopts the mode of manometer test, needs reequip the valve, and its testing process is comparatively loaded down with trivial details.
The invention content is as follows:
the utility model discloses the technical problem that will solve is: in order to facilitate the test of water supply pressure, provide a butterfly valve with pressure test function.
In order to solve the technical problems, the invention is realized by the following technical scheme: a butterfly valve with pressure test function comprises a valve body, a valve shaft, a valve plate, a limiting seat, a pressure measuring rod, a piston, an adjusting seat, a spring, a pressing pin and a protective cover, wherein a water inlet channel and a water outlet channel are arranged at two ends of the valve body, the water inlet channel and the water outlet channel are communicated through the pressure measuring channel, the valve shaft is rotatably and hermetically installed on the valve body, the valve plate is fixedly installed on the valve shaft, the valve plate is positioned in the water inlet channel, the limiting seat is fixedly installed on the valve body in a screwed mode, the piston is slidably installed on the valve body in a sealed mode, the pressure measuring channel can be plugged at the lower portion of the piston, the adjusting seat is fixedly installed on the inner wall of the limiting seat in a screwed mode, the lower end of the pressure measuring rod is fixedly connected with the piston, the upper end of the pressure measuring rod is slidably installed on the limiting seat, a pressure identification point is arranged on the pressure measuring rod, and the spring is sleeved and installed on the pressure measuring rod, the upper end and the lower end of the spring are respectively acted on the adjusting seat and the piston, the pressing pin is fixedly installed on the limiting seat in a threaded mode, the pressing pin is screwed down to enable the pressure measuring rod to be pressed and positioned, and the protective cover is arranged on the top of the limiting seat.
Preferably, the lower end of the pressure measuring rod is fixedly connected with the piston through threads.
Preferably, the protection cover is installed at the top of the limiting seat in a threaded mode.
Preferably, an adjusting hand wheel is fixedly mounted at the bottom end of the valve shaft.
Preferably, the top of the pressure measuring channel is provided with a horn-shaped structure, and the lower end of the piston is provided with a contraction-shaped structure matched with the top of the pressure measuring channel.
Compared with the prior art, the utility model discloses an useful part is: the valve shaft rotates, open the valve plate, and the pipeline of being connected with the play water channel is in the final state, liquid flows to the pressure measurement passageway via the passageway of intaking, under the effect of fluid pressure, the elasticity upward movement of spring is overcome to the piston, it carries out the numerical value of reading fluid pressure to be provided with the pressure identification point on the depression bar to operate personnel's accessible, the high position stability of the depression bar that awaits measuring, show the steady pressure that the fluid flows promptly, operating personnel screws up the clamp pin and fixes a position the pressure measurement pole this moment can, then the pipeline of control intercommunication play water channel connection to mediation state can, this butterfly valve can accurately measure the numerical value of fluid pressure, and after the survey is accomplished, can fix the height of piston, can not lead to the fact the influence to the subsequent user state of valve, and has simple structure and convenient operation's advantage.
Description of the drawings:
the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a sectional view of the structure diagram of the present invention.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the following embodiments:
as shown in fig. 1, the butterfly valve with pressure testing function comprises a valve body 1, a valve shaft 2, a valve plate 21, a limiting seat 3, a pressure measuring rod 4, a piston 5, an adjusting seat 6, a spring 7, a pressing pin 8 and a protective cover 9, wherein a water inlet channel 11 and a water outlet channel 12 are arranged at two ends of the valve body 1, the water inlet channel 11 and the water outlet channel 12 are communicated through a pressure measuring channel 10, the valve shaft 2 is rotatably and hermetically mounted on the valve body 1, the valve plate 21 is fixedly mounted on the valve shaft 2, the valve plate 21 is located in the water inlet channel 11, the limiting seat 3 is fixedly mounted on the valve body 1 in a screwed manner, the piston 5 is slidably mounted on the valve body 1 in a sealed manner, the pressure measuring channel 10 can be blocked at the lower part of the piston 5, the adjusting seat 6 is mounted on the inner wall of the limiting seat 3 in a screwed manner, the lower end of the pressure measuring rod 4 is fixedly connected with the piston 5, and the upper end of the pressure measuring rod 4 is slidably mounted on the limiting seat 3, the pressure measuring rod 4 is provided with a pressure identification point, the spring 7 is installed on the pressure measuring rod 4 in a sleeved mode, the upper end and the lower end of the spring 7 are respectively acted on the adjusting seat 6 and the piston 5, the pressing pin 8 is fixedly installed on the limiting seat 3 in a screwed mode, the pressing pin 8 can be screwed up to enable the pressure measuring rod 4 to be pressed and located, and the protective cover 9 is arranged at the top of the limiting seat 3. The lower end of the pressure measuring rod 4 is fixedly connected with the piston 5 through threads, and the mounting height of the pressure measuring rod 4 can be adjusted by adopting a threaded connection mode.
In addition, in order to facilitate the opening and installation of the protection cover 9, the protection cover 9 is installed on the top of the limit seat 3 in a threaded manner.
In actual use, in order to facilitate the operator to rotate the valve shaft 2, an adjusting hand wheel 22 is fixedly mounted at the bottom end of the valve shaft 2.
In order to prevent the piston 5 from moving downwards to block the pressure measuring channel 10, the top of the pressure measuring channel 10 is provided with a horn-shaped structure, and the lower end of the piston 5 is provided with a contraction-shaped structure matched with the top of the pressure measuring channel.
The valve shaft 2 is rotated to open the valve plate 21, and the pipe connected to the water outlet passage 12 is in a cut-off state, the liquid flows to the pressure measuring passage 10 via the water inlet passage 11, under the action of the liquid flowing pressure, the piston 5 overcomes the elasticity of the spring 7 to move upwards, an operator can read the numerical value of the liquid flowing pressure through the pressure identification point arranged on the pressure measuring rod 4, the height position stability of the pressure measuring rod 4 to be measured, namely the stable pressure of the liquid flow, at the moment, the operator only needs to screw the compression pin 8 to position the pressure measuring rod 4, then the pipeline connected with the water outlet channel 12 is controlled to be in a dredging state, the butterfly valve can accurately measure the numerical value of the liquid flowing pressure, and after the survey is accomplished, can fix the height of piston, can not cause the influence to the subsequent user state of valve, have simple structure and convenient operation's advantage.
It is to be emphasized that: it is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a butterfly valve with pressure test function which characterized in that: comprises a valve body (1), a valve shaft (2), a valve plate (21), a limiting seat (3), a pressure measuring rod (4), a piston (5), an adjusting seat (6), a spring (7), a pressing pin (8) and a protective cover (9), wherein a water inlet channel (11) and a water outlet channel (12) are arranged at two ends of the valve body (1), the water inlet channel (11) and the water outlet channel (12) are communicated through a pressure measuring channel (10), the valve shaft (2) is rotatably and hermetically arranged on the valve body (1), the valve plate (21) is fixedly arranged on the valve shaft (2), the valve plate (21) is positioned in the water inlet channel (11), the limiting seat (3) is fixedly arranged on the valve body (1) in a screwing way, the piston (5) is slidably arranged on the valve body (1) in a sealing way, the lower part of the piston (5) can plug the pressure measuring channel (10), the adjusting seat (6) is installed on the inner wall of the limiting seat (3) in a screwing way, the lower extreme and piston (5) fixed connection of pressure measuring pole (4), the upper end slidable mounting of pressure measuring pole (4) is on spacing seat (3), be provided with pressure identification point on pressure measuring pole (4), spring (7) cup joint and install on pressure measuring pole (4), the upper and lower both ends of spring (7) are used in respectively adjusting on seat (6) and piston (5), compress tightly round pin (8) spiro union fixed mounting on spacing seat (3), screw up and compress tightly round pin (8) and can compress tightly the location with pressure measuring pole (4), protection casing (9) set up the top at spacing seat (3).
2. The butterfly valve with pressure test function according to claim 1, wherein: the lower end of the pressure measuring rod (4) is fixedly connected with the piston (5) through threads.
3. The butterfly valve with pressure test function according to claim 1, wherein: the protective cover (9) is mounted at the top of the limiting seat (3) in a threaded manner.
4. The butterfly valve with pressure test function according to claim 1, wherein: and an adjusting hand wheel (22) is fixedly mounted at the bottom end of the valve shaft (2).
5. The butterfly valve with pressure test function according to claim 1, wherein: the top of the pressure measuring channel (10) is provided with a horn-shaped structure, and the lower end of the piston (5) is arranged to be a contraction-shaped structure matched with the top of the pressure measuring channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827427.2U CN213808914U (en) | 2020-11-30 | 2020-11-30 | Butterfly valve with pressure test function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827427.2U CN213808914U (en) | 2020-11-30 | 2020-11-30 | Butterfly valve with pressure test function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808914U true CN213808914U (en) | 2021-07-27 |
Family
ID=76941191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022827427.2U Active CN213808914U (en) | 2020-11-30 | 2020-11-30 | Butterfly valve with pressure test function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808914U (en) |
-
2020
- 2020-11-30 CN CN202022827427.2U patent/CN213808914U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203656244U (en) | Flow-balancing welding ball valve | |
| AU6782700A (en) | Pressure independent control valve | |
| US20050039797A1 (en) | Pressure independent control valve | |
| CN109236614A (en) | A kind of thermostat valve of piston compressor control cylinder cooling water flow | |
| CN213808914U (en) | Butterfly valve with pressure test function | |
| CN203223605U (en) | Diaphragm pilot valve capable of detecting pressure and flow rate | |
| CN213809055U (en) | Valve with automatic pressure relief function | |
| CN209041594U (en) | A kind of high sealing hard seal butterfly valve resistant to high temperature | |
| CN2856614Y (en) | Electromagnetic regulation valve for quality flow controller | |
| CN215445130U (en) | Novel throttle formula governing valve | |
| CN110118590A (en) | Liquid level sensor detection device | |
| CN205401735U (en) | Novel choke valve for petrochemical | |
| CN215334532U (en) | Flange type butterfly valve with cleaning and filtering effects | |
| US2581748A (en) | Flow control device | |
| CN212564414U (en) | Electric screw port regulating valve convenient to operate | |
| CN210372039U (en) | Measurement and control integrated valve flowmeter | |
| CN209117088U (en) | Intelligent aperture flowmeter | |
| CN200996475Y (en) | Piston-controlled measuring valve | |
| CN113324079A (en) | Low-power consumption regulating valve with cut-off function | |
| US2873606A (en) | Flowmeters particularly for gases | |
| CN109555883B (en) | Electric adjustable dynamic balance valve | |
| CN203131143U (en) | Pressure difference adjusting valve | |
| CN210372258U (en) | Butterfly valve capable of accurately adjusting flow | |
| CN219827735U (en) | Speed limiting structure for throttle of regulating valve | |
| CN205036932U (en) | Differential pressure balance valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |