CN112303324A - Pneumatic actuator for forced sealing ball valve with buffer and mechanical limit - Google Patents
Pneumatic actuator for forced sealing ball valve with buffer and mechanical limit Download PDFInfo
- Publication number
- CN112303324A CN112303324A CN202011318579.8A CN202011318579A CN112303324A CN 112303324 A CN112303324 A CN 112303324A CN 202011318579 A CN202011318579 A CN 202011318579A CN 112303324 A CN112303324 A CN 112303324A
- Authority
- CN
- China
- Prior art keywords
- rod
- valve
- pneumatic actuator
- plate
- push
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 239000000872 buffer Substances 0.000 title abstract description 13
- 230000003139 buffering effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims 5
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000001174 ascending effect Effects 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a pneumatic actuating mechanism with buffering and mechanical limiting functions for a forced sealing ball valve, which comprises a valve rod and a valve body, wherein a main body is installed at the top of the valve body, a sliding groove is formed in the side surface of the top of the valve rod, a limiting rod is installed on the main body, and a spring post I is installed at the top of the valve rod. According to the valve, the main body is mounted at the top of the valve body, the sliding groove is formed in the side face of the top of the valve rod, the limiting rod is mounted on the main body to enable the valve rod to rotate and ascend, the spring column I is mounted at the top of the valve rod, the main body is provided with the limiting groove close to the pushing rod, the wear-resistant layer sliding with the pushing rod is mounted in the limiting groove, the pushing plate rotationally connected through the limiting plate is arranged at the top of the pushing rod, the spring column buffers ascending of the valve rod, and the air guide hole is formed in the cover plate to enable the pushing plate to buffer exhaust air and further rotationally buffer the pushing rod and the valve rod.
Description
Technical Field
The invention relates to the technical field of pneumatic actuating mechanisms, in particular to a pneumatic actuating mechanism with buffering and mechanical limiting functions for a forced sealing ball valve.
Background
The forced sealing ball valve is widely applied to metering devices of natural gas and urban gas, inlets and outlets of pumps or compressors, bypasses, molecular sieve drying systems, isomerization, low-temperature methanol washing and other devices.
The valve rod of the traditional forced sealing ball valve has no buffering pressure structure, and the valve rod is easy to damage due to overlarge stamping in the closing process, so that the pneumatic actuating mechanism for the forced sealing ball valve with buffering and mechanical limiting functions is provided.
Disclosure of Invention
The invention aims to: the pneumatic actuating mechanism with the buffer function and the mechanical limit function for the forced sealing ball valve aims to solve the problems that a valve rod of a traditional forced sealing ball valve is not provided with a buffer pressure structure and the valve rod is easy to damage due to overlarge stamping in the closing process.
In order to achieve the purpose, the invention adopts the following technical scheme:
pneumatic actuator for forced sealing ball valve with buffering and mechanical spacing, including valve rod and valve body, the main part is installed at the valve body top, valve rod top side is equipped with the spout, install the gag lever post in the main part, spring post one is installed at the valve rod top, the push rod is installed at spring post top, the main part is close to the push rod and is equipped with the spacing groove, install the wearing layer who connects with the push rod gliding in the spacing groove, the push rod top is equipped with rotates the push pedal of being connected through the limiting plate, the apron is installed at the main part top, push pedal top installation runs through gliding bracing piece with the apron, the support is installed at the apron top, the bracing piece top is equipped with the screw rod of rotating the connection, install the locating plate on the screw rod, be.
As a further description of the above technical solution:
the bottom of the support is close to the screw rod and provided with an in-place switch, and the cover plate is provided with a warning lamp.
As a further description of the above technical solution:
and the cover plate is provided with a sealing bearing which slides with the support rod.
As a further description of the above technical solution:
and a second spring column is arranged at the top of the push plate.
As a further description of the above technical solution:
the top of the screw penetrates through the bracket and is provided with a handle.
As a further description of the above technical solution:
the side of the support rod is provided with a sliding fixing pin.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the valve, the main body is mounted at the top of the valve body, the sliding groove is formed in the side face of the top of the valve rod, the limiting rod is mounted on the main body to enable the valve rod to rotate and ascend, the spring column I is mounted at the top of the valve rod, the main body is provided with the limiting groove close to the pushing rod, the wear-resistant layer sliding with the pushing rod is mounted in the limiting groove, the pushing plate rotationally connected through the limiting plate is arranged at the top of the pushing rod, the spring column buffers ascending of the valve rod, and the air guide hole is formed in the cover plate to enable the pushing plate to buffer exhaust air and further rotationally buffer the pushing rod and the valve rod.
2. According to the invention, the cover plate is installed at the top of the main body, the support rod which slides through the cover plate is installed at the top of the push plate, the support is installed at the top of the cover plate, the screw rod which is rotatably connected with the top of the support rod is arranged at the top of the push plate, the positioning plate is installed on the screw rod, the distance from the positioning plate to the in-place switch can be adjusted by rotating the screw rod, the in-place switch is installed at the bottom of the support close to the screw rod, the warning lamp is installed on the cover plate, the support can limit the positioning plate on the screw rod, so that the screw rod cannot ascend, when the positioning plate reaches the in-place switch, the.
Drawings
FIG. 1 is a front cross-sectional structural view of a main body provided in accordance with an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a partial enlarged structure a according to an embodiment of the present invention.
Illustration of the drawings:
1. a valve stem; 2. a chute; 3. a limiting rod; 4. a first spring post; 5. a limiting groove; 6. a wear layer; 7. a push rod; 8. a limiting plate; 9. pushing the plate; 10. a main body; 11. a cover plate; 12. a support bar; 13. sealing the bearing; 14. a warning light; 15. a support; 16. a screw; 17. positioning a plate; 18. an in-place switch; 19. a handle; 20. a second spring column; 21. air holes; 22. a fixing pin; 23. a valve body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below 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.
Referring to fig. 1-2, the present invention provides a technical solution: pneumatic actuator for forced sealing ball valve with buffering and mechanical spacing, including valve rod 1 and valve body 23, main part 10 is installed at valve body 23 top, 1 top side of valve rod is equipped with spout 2, install gag lever post 3 on the main part 10, spring post 4 is installed at 1 top of valve rod, push rod 7 is installed at spring post 4 top, main part 10 is close to push rod 7 and is equipped with spacing groove 5, install in the spacing groove 5 with the gliding wearing layer 6 of push rod 7, push rod 7 top is equipped with the push pedal 9 of rotating the connection through limiting plate 8, apron 11 is installed at main part 10 top, push pedal 9 top installation runs through gliding bracing piece 12 with apron 11, support 15 is installed at apron 11 top, bracing piece 12 top is equipped with the screw rod 16 of rotating the connection, install locating plate 17 on the screw rod 16, be equipped with air guide hole 21 on the apron 11, air guide hole 21 can.
Specifically, as shown in fig. 1, an in-place switch 18 is installed at the bottom of the bracket 15 near the screw 16, a warning lamp 14 is installed on the cover plate 11, and when the positioning plate 17 reaches the in-place switch 18, the warning lamp 14 flashes to warn.
Specifically, as shown in fig. 2, a sealing bearing 13 sliding with the support rod 12 is mounted on the cover plate 11 to increase the sealing performance of the device.
Specifically, as shown in fig. 1, a second spring column 20 is installed on the top of the push plate 9 to relieve the push plate 9.
Specifically, as shown in fig. 2, a handle 19 is installed on the top of the screw 16 penetrating through the bracket 15 to facilitate rotation of the screw 16.
Specifically, as shown in fig. 2, the side of the support rod 12 is provided with a sliding fixing pin 22 to strengthen the fixation of the screw 16 and stabilize the operation of the screw 16.
The working principle is as follows: when in use, a main body 10 is arranged at the top of a valve body 23, a sliding groove 2 is arranged on the side surface of the top of a valve rod 1, a limiting rod 3 is arranged on the main body 10 to enable the valve rod 1 to rotate and rise, a spring post 4 is arranged at the top of the valve rod 1, a push rod 7 is arranged at the top of the spring post 4, a limiting groove 5 is arranged on the main body 10 close to the push rod 7, a wear-resistant layer 6 sliding with the push rod 7 is arranged in the limiting groove 5, a push plate 9 rotatably connected with the top of the push rod 7 through a limiting plate 8 is arranged at the top of the push rod 7, the spring post 4 buffers the rise of the valve rod 1, an air guide hole 21 is arranged on a cover plate 11 to enable the push plate 9 to buffer exhaust air, further rotatably buffer the push rod 7 and the valve rod 1 to protect a valve seat in the valve body 23, a cover plate 11 is arranged at the, install locating plate 17 on the screw rod 16, the accessible is rotatory screw rod 16 and is adjusted the distance that locating plate 17 reachs switch 18 that targets in place, support 15 bottom is close to screw rod 16 and is installed switch 18 that targets in place, install warning light 14 on the apron 11, support 15 can carry on spacingly to locating plate 17 on the screw rod 16, make screw rod 16 unable rise, when locating plate 17 reachs switch 18 that targets in place, warning light 14 scintillation warns, and be equipped with gliding fixed pin 22 in bracing piece 12 side, fixed pin 22 can be fixed screw rod 16, avoid screw rod 16 to slide, and then realize the machinery spacing to push pedal 9, moreover, the steam generator is simple in structure, and convenient operation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. Pneumatic actuator for forced sealing ball valve with buffering and mechanical spacing, including valve rod (1) and valve body (23), its characterized in that, main part (10) are installed at valve body (23) top, valve rod (1) top side is equipped with spout (2), install gag lever post (3) on main part (10), spring post (4) is installed at valve rod (1) top, push rod (7) are installed at spring post (4) top, main part (10) are close to push rod (7) and are equipped with spacing groove (5), install in spacing groove (5) with the gliding wearing layer (6) of push rod (7), push rod (7) top is equipped with push pedal (9) of being connected through limiting plate (8) rotation, apron (11) are installed at main part (10) top, push pedal (9) top installation runs through gliding bracing piece (12) with apron (11), support (15) are installed at apron (11) top, bracing piece (12) top is equipped with screw rod (16) that rotate to connect, install locating plate (17) on screw rod (16), be equipped with air guide hole (21) on apron (11).
2. Pneumatic actuator for ball valve with damping and mechanical stop according to claim 1, characterized by the fact that the bottom of the bracket (15) near the screw (16) is equipped with the in-position switch (18) and the cover plate (11) is equipped with the warning light (14).
3. Pneumatic actuator for ball positive seal valve with damping and mechanical stop according to claim 1, characterized by the fact that the cover plate (11) is fitted with sealing bearings (13) sliding with the support rod (12).
4. Pneumatic actuator for ball positive seal valve with damping and mechanical stop according to claim 1, characterized by the fact that the push plate (9) is surmounted by a second spring stud (20).
5. Pneumatic actuator for ball positive seal valve with damping and mechanical stop according to claim 1, characterized by the fact that the top of the screw (16) is equipped with a handle (19) through the bracket (15).
6. Pneumatic actuator for ball positive seal valve with damping and mechanical stop according to claim 1, characterized by the fact that the support rod (12) is flanked by sliding fixing pins (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318579.8A CN112303324A (en) | 2020-11-23 | 2020-11-23 | Pneumatic actuator for forced sealing ball valve with buffer and mechanical limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318579.8A CN112303324A (en) | 2020-11-23 | 2020-11-23 | Pneumatic actuator for forced sealing ball valve with buffer and mechanical limit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112303324A true CN112303324A (en) | 2021-02-02 |
Family
ID=74334414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011318579.8A Pending CN112303324A (en) | 2020-11-23 | 2020-11-23 | Pneumatic actuator for forced sealing ball valve with buffer and mechanical limit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112303324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585059A (en) * | 2021-07-07 | 2021-11-02 | 钱璞 | Bridge is ooff valve for wash-out pipe |
-
2020
- 2020-11-23 CN CN202011318579.8A patent/CN112303324A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585059A (en) * | 2021-07-07 | 2021-11-02 | 钱璞 | Bridge is ooff valve for wash-out pipe |
| CN113585059B (en) * | 2021-07-07 | 2024-04-19 | 钱璞 | Switch valve for bridge drainage pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210202 |
|
| WD01 | Invention patent application deemed withdrawn after publication |