CN211501818U - Pneumatic adjusting control valve structure - Google Patents
Pneumatic adjusting control valve structure Download PDFInfo
- Publication number
- CN211501818U CN211501818U CN201922008569.3U CN201922008569U CN211501818U CN 211501818 U CN211501818 U CN 211501818U CN 201922008569 U CN201922008569 U CN 201922008569U CN 211501818 U CN211501818 U CN 211501818U
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- CN
- China
- Prior art keywords
- valve body
- control valve
- valve
- valve core
- piston
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- 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.)
- Expired - Fee Related
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- 239000004033 plastic Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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Abstract
The utility model discloses a pneumatic control valve structure, include the valve body and install the upper cover on the valve body, the bottom is installed to the valve body bottom surface, adjusting handle, its characterized in that are installed to the upper cover: the valve body is internally provided with a thin spring, a valve core rod, a valve core seat, a valve core and a piston; the utility model discloses promote the pressure regulating by current rubber diaphragm and improve to promote the pressure regulating for metal piston, improve to upper and lower threaded connection by the screwed connection of current valve body and upper cover, the structure is more compact, and the firmness is strengthened, and the outward appearance is more succinct, therefore this pneumatic control valve pressure regulating performance is more stable, and the design life is long, and the pressure adjustable range is higher, improves to well low pressure governing valve by current low-pressure valve, uses more extensively.
Description
Technical Field
The utility model relates to a control valve technical field specifically is a pneumatic control valve structure.
Background
The rubber diaphragm in the existing pneumatic regulation control valve is easy to age, can not bear pressure after being used for a long time, and has short design life; in addition, current pneumatic control valve promotes the pressure regulating through the rubber diaphragm, and valve body and upper cover are screwed connection, and the structure is insecure, and consequently this application has improved this.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a pneumatic adjusting control valve structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pneumatic adjusting control valve structure, includes the valve body and installs the upper cover on the valve body, the bottom is installed to the valve body bottom surface, adjusting hand wheel, its characterized in that are installed to the upper cover: the valve body is internally provided with a thin spring, a valve core rod, a valve core seat, a valve core and a piston;
the bottom end of the thin spring is fixedly arranged on the bottom cover, the valve core rod is arranged on the top surface of the thin spring and extends out of the valve core seat, the valve core is arranged on the valve core seat, the top end of the valve core rod is provided with a piston, the piston is provided with a piston center O-shaped sealing ring and a piston Y-shaped sealing ring, the upper cover is internally provided with a thick spring, the bottom end of the thick spring is contacted with the piston, and the top end of the thick spring is provided with a spring;
the adjusting hand wheel comprises a plastic handle and a threaded column arranged at the center of the bottom surface of the plastic handle, and the bottom end of the threaded column is abutted to an inner groove formed in the top of the spring.
Furthermore, the front surface and the back surface of the valve body are provided with pressure gauge holes which are oppositely arranged and are used for being connected with a pressure gauge, the left side and the right side of the valve body are provided with an air inlet pipe and an air outlet pipe which are oppositely arranged, and the air inlet pipe and the air outlet pipe are provided with air inlet holes and air outlet holes.
Furthermore, a protruding rod is arranged at the bottom end of the valve core rod, and the top end of the thin spring is installed on the protruding rod.
Furthermore, the upper cover is provided with an adjusting exhaust hole.
Furthermore, the screw thread post stretches out to inside the upper cover and is in install locking hexagon nut on the upper cover, the spiro union is installed pressure screw nut on the screw thread post.
Furthermore, the bottom cover is hermetically arranged on the bottom surface of the valve body through an arranged bottom cover C-shaped ring.
Furthermore, the center of the top surface of the bottom cover is provided with a protruding part for fixedly mounting the bottom end of the thin spring.
Furthermore, a plurality of arc-shaped lugs are uniformly distributed on the hand wheel at intervals along the circumference of the hand wheel.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
the pneumatic adjusting control valve structure is improved from the conventional rubber diaphragm pushing pressure regulation into the metal piston pushing pressure regulation, and is improved from the conventional screw connection of the valve body and the upper cover into the upper and lower screw connection, so that the structure is more compact, the firmness is enhanced, and the appearance is more concise;
therefore, the pneumatic regulating control valve has the advantages of more stable pressure regulating performance, long design life and higher pressure regulating range, and is improved into a medium and low pressure regulating valve by the existing low pressure valve, so that the pneumatic regulating control valve is more widely used.
Drawings
FIGS. 1-3 are schematic views of a pneumatic control valve according to the present invention;
FIGS. 4-5 are schematic views of the internal cross-sectional structure of a pneumatic control valve according to the present invention;
in the figure: the valve comprises a valve body 1, a pressure gauge hole 11, an air inlet pipe 12, an air outlet pipe 13, an air inlet hole 14, an air outlet hole 15, a thin spring 16, a piston center O-shaped sealing ring 17, a valve core rod 18, a protruding rod 181, a valve core 18, a valve core seat 19, a piston 20, a piston Y-shaped sealing ring 21, an upper cover 3, an adjusting exhaust hole 31, a thick spring 32, a spring top 33, a locking hexagon nut 34, an adjusting hand wheel 4, a plastic handle 41, an arc protruding block 42, a threaded column 43, a pressure screwing nut 44, a bottom cover 5, a bottom cover C-shaped ring 51 and a protruding part 52.
Detailed Description
Example one
Referring to fig. 1-5, the technical solution provided by the present invention is: the utility model provides a pneumatic adjusting control valve structure, includes valve body 1 and installs upper cover 3 on valve body 1, and the upper cover is tightly joined in marriage at the valve body top surface, bottom 5 is installed to 1 bottom surface of valve body, adjusting hand wheel 4 is installed to upper cover 3, can control flap's aperture through adjusting hand wheel.
As shown in fig. 4-5, the front and back of the valve body 1 are provided with pressure gauge holes 11 which are oppositely arranged and connected with a pressure gauge for measuring air pressure by the pressure gauge, the left and right sides of the valve body 1 are provided with air inlet pipes 12 and air outlet pipes 13 which are oppositely arranged, and the air inlet pipes 12 and the air outlet pipes 13 are provided with air inlet holes 14 and air outlet holes 15. The operation of the adjusting hand wheel is convenient, and air inlet and air outlet are formed after the piston moves up and down.
A thin spring 16, a valve core rod 18, a valve core seat 19 and a piston 20 are arranged in the valve body 1;
the bottom end of the thin spring 16 is fixedly arranged on the bottom cover 5, and the bottom cover 5 is hermetically arranged on the bottom surface of the valve body 1 through the arranged bottom cover C-shaped ring 51. The bottom cover 5 is provided at the center of the top surface with a protrusion 52 for fixedly mounting the bottom end of the thin spring 16. So that the bottom end of the thin spring can be wound and installed on the bottom cover. The bottom end of the valve core rod 18 is provided with a protruding rod 181, so that the top end of the thin spring 16 is wound and mounted on the protruding rod 181, the valve core rod 18 extends out of the valve core seat 19, a valve core 182 is mounted on the valve core seat 19, and the valve core rod is used for driving an upper adjusting hand wheel to directly drive the piston to move up and down so as to realize the valve opening and closing or adjusting function. The top end of the valve core rod 18 is provided with a piston, the piston 20 is provided with a piston center O-shaped sealing ring 17 and a piston Y-shaped sealing ring 21, the lower end of the valve core rod is connected with the piston, and the piston is correspondingly matched with the valve core seat. The piston 20 is provided with the upper cover 3 which is provided with a thick spring 32, the bottom end of the thick spring is contacted with the piston 20, and the top end of the thick spring 32 is provided with an inner groove spring top 33; used for connecting an adjusting hand wheel, and the upper cover 3 is provided with an adjusting exhaust hole 31.
The adjusting hand wheel 4 comprises a plastic handle 41 and a threaded column 42 arranged at the center of the bottom surface of the plastic handle 41, and a plurality of arc-shaped lugs 42 are uniformly distributed on the plastic handle 41 along the circumference at intervals. The plastic handle is also provided with arrows and +, -, in this embodiment +, -indicating the operation of pressurization and depressurization, the bottom end of the threaded post 42 resting in the inner recess provided by the spring top 33. The threaded column 42 extends out of the interior of the upper cover 3 and the upper cover 3 is provided with a locking hexagonal nut 34, and the threaded column 42 is provided with a pressure screw nut 44 in a threaded mode. Used for fastening and locking the operation of the adjusting hand wheel.
Example two
The pneumatic regulating control valve is arranged on the gas pipeline and used for receiving a gas source of the gas pipeline, and outputting stable set pressure after being regulated by the pneumatic regulating control valve according to the pressure required by equipment;
the operation of the pneumatic regulation control valve is that the pressure regulating hand wheel is rotated by hand, the rotation direction of the pneumatic regulation control valve is regulated according to an arrow printed on the pressure regulating hand wheel, and the air inlet pipe and the air outlet pipe are enabled to enter air and discharge air to reach the required values of air pressure and air flow through the up-and-down movement regulation of a thick spring, a thin spring, a valve core and a piston which are arranged inside the pneumatic regulation control valve, so that the operation is convenient.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a pneumatic adjusting control valve structure, includes the valve body and installs the upper cover on the valve body, the bottom is installed to the valve body bottom surface, adjusting hand wheel, its characterized in that are installed to the upper cover: the valve body is internally provided with a thin spring, a valve core rod, a valve core seat, a valve core and a piston;
the bottom end of the thin spring is fixedly arranged on the bottom cover, the valve core rod is arranged on the top surface of the thin spring and extends out of the valve core seat, the valve core is arranged on the valve core seat, the top end of the valve core rod is provided with a piston, the piston is provided with a piston center O-shaped sealing ring and a piston Y-shaped sealing ring, the upper cover is internally provided with a thick spring, the bottom end of the thick spring is contacted with the piston, and the top end of the thick spring is provided with a spring;
the adjusting hand wheel comprises a plastic handle and a threaded column arranged at the center of the bottom surface of the plastic handle, and the bottom end of the threaded column is abutted to an inner groove formed in the top of the spring.
2. A pneumatic regulator control valve structure as defined in claim 1, wherein: the front side and the back side of the valve body are provided with pressure gauge holes which are oppositely arranged and are used for being connected with a pressure gauge, the left side and the right side of the valve body are provided with an air inlet pipe and an air outlet pipe which are oppositely arranged, and the air inlet pipe and the air outlet pipe are respectively provided with an air inlet hole and an air outlet hole.
3. A pneumatic regulator control valve structure as defined in claim 1, wherein: the bottom end of the valve core rod is provided with a protruding rod, and the top end of the thin spring is installed on the protruding rod.
4. A pneumatic regulator control valve structure as defined in claim 1, wherein: the upper cover is provided with an adjusting exhaust hole.
5. A pneumatic regulator control valve structure as defined in claim 1, wherein: the screw thread post stretches out to inside the upper cover and is in install locking hexagon nut on the upper cover, the spiro union is installed pressure screw nut on the screw thread post.
6. A pneumatic regulator control valve structure as defined in claim 1, wherein: the bottom cover is hermetically arranged on the bottom surface of the valve body through an arranged bottom cover C-shaped ring.
7. A pneumatic regulator control valve structure as defined in claim 1, wherein: and a protruding part for fixedly mounting the bottom end of the thin spring is arranged at the center of the top surface of the bottom cover.
8. A pneumatic regulator control valve structure as defined in claim 1, wherein: the hand wheel is evenly provided with a plurality of arc-shaped lugs at intervals along the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008569.3U CN211501818U (en) | 2019-11-08 | 2019-11-08 | Pneumatic adjusting control valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008569.3U CN211501818U (en) | 2019-11-08 | 2019-11-08 | Pneumatic adjusting control valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501818U true CN211501818U (en) | 2020-09-15 |
Family
ID=72410318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922008569.3U Expired - Fee Related CN211501818U (en) | 2019-11-08 | 2019-11-08 | Pneumatic adjusting control valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501818U (en) |
-
2019
- 2019-11-08 CN CN201922008569.3U patent/CN211501818U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |