CN220850973U - Shifting fork type pneumatic actuator - Google Patents
Shifting fork type pneumatic actuator Download PDFInfo
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- CN220850973U CN220850973U CN202322729943.5U CN202322729943U CN220850973U CN 220850973 U CN220850973 U CN 220850973U CN 202322729943 U CN202322729943 U CN 202322729943U CN 220850973 U CN220850973 U CN 220850973U
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- shifting fork
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- 238000009434 installation Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a shifting fork type pneumatic actuator, which comprises: the device comprises a shifting fork box, wherein an actuator is fixedly connected to the outer surface of the shifting fork box, an air cylinder is fixedly connected to the interior of the actuator, a spring is fixedly arranged in the actuator, one end of the spring is fixedly connected with a movable ring, the upper surface of the movable ring is fixedly connected with a pull rod, the upper end of the pull rod is fixedly connected with a linkage rod, and one end of the linkage rod is fixedly connected with a fixing seat; the inside swing joint of cylinder has the piston, and the center department fixedly connected with telescopic shaft of piston, the one end swing joint of telescopic shaft has the shift fork, and the other end and the fixing base fixed connection of telescopic shaft, the surface fixedly connected with top cap of executor, the surface threaded connection of top cap has adjusting bolt. Through setting up spring and cylinder in same one end for the length of shift fork formula executor shortens effectively, possesses the mounting condition in narrow and small space, is convenient for adjust the swing stroke of shift fork to it through the adjusting bolt who sets up.
Description
Technical Field
The utility model relates to the technical field of actuators, in particular to a shifting fork type pneumatic actuator.
Background
The shifting fork type pneumatic actuator is one kind of piston type actuating mechanism suitable for switching off or metering control of 90 deg angle valve, such as ball valve, butterfly valve and plug valve. The transmission mechanism of the pneumatic actuator is provided with a gear rack type transmission mechanism and a shifting fork type transmission mechanism, and the shifting fork type pneumatic actuator drives the shifting fork to rotate through the linear motion of the piston rod so as to drive the spindle or the valve rod to rotate.
The shifting fork type pneumatic actuator in the prior art mainly comprises a cylinder component and a shifting fork transmission component, wherein the cylinder component comprises a cylinder, a cylinder cover, a piston, a spring cylinder and a piston rod, the shifting fork transmission component comprises a shifting fork component, a main shaft and a box body, the main shaft and the shifting fork component are arranged in the box body, the main shaft is rotationally connected with the box body, and the shifting fork component is in transmission connection with the piston rod. However, the spring cylinder and the air cylinder are usually in a split structure, so that the whole device is overlarge in size and the defect of limiting the installation environment is caused, and the Chinese patent discloses a shifting fork type pneumatic actuator, the application number of which is CN201822033608.0, which drives a shifting fork to swing at an angle through a pin shaft, so that the rotation of a valve shaft arranged on the shifting fork is realized.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art, and provides a shifting fork type pneumatic actuator, wherein the spring and the air cylinder are arranged at the same end, so that the length of the shifting fork type pneumatic actuator is effectively shortened, the shifting fork type pneumatic actuator has a narrow space installation condition, and the swinging stroke of a shifting fork can be conveniently adjusted through an adjusting bolt.
The utility model also provides a shifting fork type pneumatic actuator, which comprises: the device comprises a shifting fork box, wherein an actuator is fixedly connected to the outer surface of the shifting fork box, an air cylinder is fixedly connected to the interior of the actuator, a spring is fixedly arranged in the actuator, one end of the spring is fixedly connected with a movable ring, a pull rod is fixedly connected to the upper surface of the movable ring, a linkage rod is fixedly connected to the upper end of the pull rod, and a fixing seat is fixedly connected to one end of the linkage rod; the inside swing joint of cylinder has the piston, the center department fixedly connected with telescopic shaft of piston, the one end swing joint of telescopic shaft has the shift fork, the other end and the fixing base fixed connection of telescopic shaft, the surface fixedly connected with top cap of executor, the surface threaded connection of top cap has adjusting bolt.
According to the shifting fork type pneumatic actuator disclosed by the utility model, the outer surface of the shifting fork is fixedly connected with the rotating shaft, and the rotating shaft is rotationally connected with the inner wall of the shifting fork box. The rotation of the outer shifting fork is realized, and the outer shifting fork provides a movable condition.
According to the shifting fork type pneumatic actuator disclosed by the utility model, the outer surface of the shifting fork box is fixedly connected with the cover plate, the outer surface of the cover plate is fixedly connected with the connecting seat, and the rotary shaft is fixedly connected with the butt joint through the connecting seat. The whole device of the connecting seat is convenient for the equipment to be in butt joint.
According to the shifting fork type pneumatic actuator disclosed by the utility model, the outer surface of the actuator is fixedly connected with the air inlet nozzle, and the inner part of the air inlet nozzle is communicated with the inner part of the cylinder through the high-pressure pipeline. So that it can realize the air intake inside the cylinder.
According to the shifting fork type pneumatic actuator disclosed by the utility model, the outer surface of the actuator is fixedly connected with the exhaust nozzle, and the interior of the exhaust nozzle is communicated with the interior of the cylinder through the high-pressure pipeline. So that it can realize the exhaust of the interior of the cylinder.
According to the shifting fork type pneumatic actuator disclosed by the utility model, one end of the adjusting bolt is abutted against the fixed seat. The movable stroke of the whole device is effectively controlled by adjusting the bolt.
According to the shifting fork type pneumatic actuator disclosed by the utility model, the spring is movably connected to the outer surface of the cylinder, and the inner ring of the movable ring is in sliding connection with the outer surface of the cylinder. The spring and the air cylinder are arranged on the same side, so that the volume is reduced, and the use space is effectively saved.
According to the shifting fork type pneumatic actuator disclosed by the utility model, six groups of pull rods are arranged, and the six groups of pull rods are uniformly distributed on the outer surface of the movable ring. So that the stress is uniform and the vertical movement of the device is convenient.
Advantageous effects
1. Compared with the prior art, the shifting fork type pneumatic actuator has the advantages that the spring and the air cylinder are arranged at the same end, so that the length of the shifting fork type pneumatic actuator is effectively shortened, and the shifting fork type pneumatic actuator has a narrow space installation condition.
2. Compared with the prior art, the shifting fork type pneumatic actuator is convenient to adjust the swinging stroke of the shifting fork through the adjusting bolt.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a block diagram of a fork-type pneumatic actuator of the present utility model;
FIG. 2 is a bottom view of a fork-type pneumatic actuator of the present utility model;
fig. 3 is a cross-sectional view of a fork-type pneumatic actuator according to the present utility model.
Legend description:
1. A fork box; 2. an actuator; 3. a top cover; 4. an adjusting bolt; 5. butt joint; 6. a cover plate; 7. a connecting seat; 8. a cylinder; 9. a spring; 10. a piston; 11. a pull rod; 12. a linkage rod; 13. a fixing seat; 14. a movable ring; 15. a telescopic shaft; 16. a shifting fork; 17. a rotation shaft; 18. an exhaust nozzle; 19. an air inlet nozzle.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-3, a fork-type pneumatic actuator according to an embodiment of the present utility model includes: the shifting fork box 1 is used for installing the shifting fork 16, the outer surface fixedly connected with apron 6 of shifting fork box 1, the outer surface fixedly connected with connecting seat 7 of apron 6 for fixed connection, rotation axis 17 is through connecting seat 7 fixedly connected with butt joint 5 for the butt joint. The surface fixedly connected with executor 2 of shift fork case 1, the surface fixedly connected with air inlet nozzle 19 of executor 2 for the air inlet, the inside of air inlet nozzle 19 is linked together with the inside of cylinder 8 through high-pressure pipeline. The outer surface of the actuator 2 is fixedly connected with an exhaust nozzle 18 for exhausting, and the inside of the exhaust nozzle 18 is communicated with the inside of the cylinder 8 through a high-pressure pipeline. The inside fixedly connected with cylinder 8 of executor 2, the inside fixedly provided with spring 9 of executor 2, spring 9 swing joint is at the surface of cylinder 8, the inner circle of expansion ring 14 and the surface sliding connection of cylinder 8. One end of the spring 9 is fixedly connected with a movable ring 14, and the upper surface of the movable ring 14 is fixedly connected with a pull rod 11 for connecting the movable ring 14 to enable the movable ring to move. The pull rods 11 are six groups, and the six groups of pull rods 11 are uniformly distributed on the outer surface of the movable ring 14.
The upper end fixedly connected with gangbar 12 of pull rod 11 for the transmission, the one end fixedly connected with fixing base 13 of gangbar 12 is used for fixedly, and the inside swing joint of cylinder 8 has piston 10, and the center department fixedly connected with telescopic shaft 15 of piston 10, the one end swing joint of telescopic shaft 15 has shift fork 16, and the surface fixedly connected with rotation axis 17 of shift fork 16, rotation axis 17 and the inner wall rotation connection of shift fork case 1. The other end of the telescopic shaft 15 is fixedly connected with the fixed seat 13, the outer surface of the actuator 2 is fixedly connected with the top cover 3, and the outer surface of the top cover 3 is in threaded connection with the adjusting bolt 4. One end of the adjusting bolt 4 is abutted against the fixed seat 13.
Working principle: the method comprises the steps of installing a shell of an actuator 2 and a shifting fork box 1 together, installing an air cylinder 8 in the actuator 2, installing a spring 9 in the actuator 2 and moving on the outer surface of the air cylinder 8, installing a machining movable ring 14 at the upper end of the spring 9, installing a pull rod 11 connecting linkage rod 12 on a telescopic shaft 15 through a fixed seat 13, penetrating the telescopic shaft 15 through the whole air cylinder 8 and installing a piston 10 on the telescopic shaft 15, installing a top cover 3 on the actuator 2, and mutually abutting an adjusting bolt 4 with the fixed seat 13 through the top cover 3. The fork 16 is installed inside the fork case 1, one end of the telescopic shaft 15 is movably connected with the fork 16, the fork 16 is installed on the rotating shaft 17, one end of the rotating shaft 17 passes through the cover plate 6 and the connection seat 7, and the abutment 5 is installed on the rotating shaft 17.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. A fork-type pneumatic actuator, comprising:
The automatic shifting fork device comprises a shifting fork box (1), wherein an actuator (2) is fixedly connected to the outer surface of the shifting fork box (1), an air cylinder (8) is fixedly connected to the inside of the actuator (2), a spring (9) is fixedly arranged in the actuator (2), one end of the spring (9) is fixedly connected with a movable ring (14), a pull rod (11) is fixedly connected to the upper surface of the movable ring (14), a linkage rod (12) is fixedly connected to the upper end of the pull rod (11), and a fixing seat (13) is fixedly connected to one end of the linkage rod (12);
The inside swing joint of cylinder (8) has piston (10), the center department fixedly connected with telescopic shaft (15) of piston (10), the one end swing joint of telescopic shaft (15) has shift fork (16), the other end and fixing base (13) fixed connection of telescopic shaft (15), the surface fixedly connected with top cap (3) of executor (2), the surface threaded connection of top cap (3) has adjusting bolt (4).
2. A fork-type pneumatic actuator according to claim 1, characterized in that the outer surface of the fork (16) is fixedly connected with a rotating shaft (17), and the rotating shaft (17) is rotatably connected with the inner wall of the fork box (1).
3. The shifting fork type pneumatic actuator according to claim 2, wherein a cover plate (6) is fixedly connected to the outer surface of the shifting fork box (1), a connecting seat (7) is fixedly connected to the outer surface of the cover plate (6), and the rotary shaft (17) is fixedly connected with the butt joint (5) through the connecting seat (7).
4. A fork-type pneumatic actuator according to claim 1, wherein the outer surface of the actuator (2) is fixedly connected with an air inlet nozzle (19), and the interior of the air inlet nozzle (19) is communicated with the interior of the cylinder (8) through a high-pressure pipeline.
5. A fork-type pneumatic actuator according to claim 1, wherein the outer surface of the actuator (2) is fixedly connected with an exhaust nozzle (18), and the interior of the exhaust nozzle (18) is communicated with the interior of the cylinder (8) through a high-pressure pipeline.
6. A fork-type pneumatic actuator according to claim 1, wherein one end of the adjusting bolt (4) abuts against the fixed seat (13).
7. A pneumatic actuator according to claim 1, wherein the spring (9) is movably connected to the outer surface of the cylinder (8), and the inner ring of the movable ring (14) is slidably connected to the outer surface of the cylinder (8).
8. A fork-type pneumatic actuator according to claim 1, wherein the total number of the tie rods (11) is six, and the six tie rods (11) are uniformly distributed on the outer surface of the movable ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322729943.5U CN220850973U (en) | 2023-10-11 | 2023-10-11 | Shifting fork type pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322729943.5U CN220850973U (en) | 2023-10-11 | 2023-10-11 | Shifting fork type pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850973U true CN220850973U (en) | 2024-04-26 |
Family
ID=90779503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322729943.5U Active CN220850973U (en) | 2023-10-11 | 2023-10-11 | Shifting fork type pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850973U (en) |
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2023
- 2023-10-11 CN CN202322729943.5U patent/CN220850973U/en active Active
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