CN213017990U

CN213017990U - Pneumatic actuator containing hydraulic manual device

Info

Publication number: CN213017990U
Application number: CN202021431913.6U
Authority: CN
Inventors: 孙明虎
Original assignee: Jiangsu Gangze Intelligent Equipment Co ltd
Current assignee: Jiangsu Gangze Intelligent Equipment Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-04-20
Anticipated expiration: 2030-07-20

Abstract

The utility model provides a pneumatic actuator containing a hydraulic manual device, which relates to the technical field of valve control and comprises a hydraulic cylinder body, wherein one side of the hydraulic cylinder body is fixedly connected with a box body, the top of the box body is fixedly connected with an oil tank, the top of the oil tank is provided with an outer cover, the outer cover is rotationally connected with the oil tank through a hinge, the inner side of the outer cover is provided with a servo motor, the bottom of the servo motor is provided with a valve rod, the valve rod is fixedly connected with the output end of the servo motor through an elastic pin coupler, the valve rod is rotationally connected with the oil tank through a screw thread, the top of the valve rod is provided with a through hole, the top of the oil tank is provided with the outer cover for sealing the oil tank, the environmental pollution caused by the oil leakage phenomenon caused by the aging of glue at the positions of the oil tank and, the labor intensity is reduced, and time and labor are saved.

Description

Pneumatic actuator containing hydraulic manual device

Technical Field

The utility model relates to a valve control technical field especially relates to a pneumatic actuator who contains hydraulic pressure manual device.

Background

In the prior art, more valve actuating mechanisms are all electric or pneumatic actuating mechanisms, the supply of an air source cannot be avoided in the operation process of the pneumatic actuating mechanisms, and the valves need to be manually operated to open and close under the emergency condition when the air source fails, such as when no air source exists, so that the failure is processed, and therefore the pneumatic actuating mechanisms also need to be provided with a standby manual operation structure.

According to the patent with the patent number of CN210461882U, a pneumatic actuating mechanism containing a hydraulic manual device is disclosed, wherein the pneumatic actuating mechanism comprises a pump body, and a box body is fixedly arranged at the top end of the pump body; a rotating shaft is arranged at one end of the box body, which is far away from the pump body, and a rotating handle is fixedly arranged at one side of the rotating shaft; a first oil outlet and a second oil outlet are sequentially arranged on the right side of the box body from top to bottom; the front end of the box body is provided with a starting switch; an output shaft is arranged at one end of the pump body, which is far away from the box body; the rubber ring is arranged on the right side of the hydraulic cylinder body, so that an anti-collision effect is achieved, and the service life of the piston can be prolonged by arranging the rubber ring on the outer surface of the piston; through setting up hydraulic pressure manual mechanism can realize when pneumatic actuator can't work, hydraulic pressure manual mechanism can play emergency action temporarily under the emergency.

In the existing hydraulic device, glue at the joint of the valve rod and the oil tank is easy to age, the oil leakage phenomenon is easy to occur, the surrounding environment is polluted, when the pneumatic actuating mechanism cannot work, manual operation can only be carried out, the labor intensity is high, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pneumatic actuating mechanism with a hydraulic manual device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pneumatic actuator who contains hydraulic pressure hand device, includes hydraulic cylinder body, hydraulic cylinder body one side fixedly connected with box, box top fixedly connected with oil tank, the oil tank top is equipped with the enclosing cover, the enclosing cover passes through the hinge and rotates with the oil tank to be connected, the enclosing cover inboard is equipped with servo motor, the servo motor bottom is equipped with the valve rod, through elasticity pin shaft coupling fixed connection between valve rod and servo motor's the output, the valve rod passes through the screw thread rotation with the oil tank to be connected, the through-hole has been seted up at the valve rod top.

Preferably, an oil pressure piston is embedded in the hydraulic cylinder body, a first conveying pipeline is arranged at the top of one side of the oil pressure piston and fixedly connected with the oil tank, a second conveying pipeline is arranged at the top of the other side of the oil pressure piston and fixedly connected with the oil tank.

Preferably, first pipeline includes that the first oil pipe that advances, and first oil pipe one side of advancing is equipped with first oil pipe, and second pipeline includes that the second advances oil pipe, and the second advances oil pipe one side and is equipped with the second and goes out oil pipe, and first oil pipe, second advance oil pipe, second and go out oil pipe and all be equipped with the check valve.

Preferably, one side of the oil pressure piston is fixedly connected with a connecting rod, the connecting rod is connected with the hydraulic cylinder body in a sliding mode through a sealing ring, the surface of the connecting rod is sleeved with a sliding block, one side of the sliding block is fixedly connected with a cylindrical pin, the outer side of the cylindrical pin is sleeved with a shifting fork, and the shifting fork is far away from a rotating shaft fixedly connected with one side of the cylindrical pin.

Preferably, one side of the box body, which is far away from the hydraulic cylinder body, is fixedly connected with an air pressure cylinder body, an air pressure piston is embedded in the air pressure cylinder body and is fixedly connected with the connecting rod, a first air inlet is formed in one side of the air pressure piston, and a second air inlet is formed in the other side of the air pressure piston.

Preferably, the clamping ring is fixedly connected to one side inside the outer cover, the rotating handle is embedded inside the clamping ring, the section of the rotating handle is T-shaped, and the smaller end of the rotating handle is in clearance fit with the through hole formed in the valve rod.

Preferably, the outer cover is provided with a repair door at a position corresponding to the elastic pin coupling, and one side of the outer cover is fixedly connected with a pull ring.

Advantageous effects

The utility model discloses in, the oil tank top is equipped with the enclosing cover, seals it, avoids the oil leak phenomenon to lead to surrounding environment pollution, protection surrounding environment in the glue of oil tank and valve rod department is ageing to appear.

The utility model discloses in, pneumatic actuator stop work back, the servo motor control valve rod rotates, can play emergent effect, and automatically controlled operation and manual operation combine together, reduce intensity of labour, labour saving and time saving.

The utility model discloses in, pipeline all is equipped with the check valve, each oil pipe of independent control, and is quick convenient effective.

Drawings

FIG. 1 is an isometric view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a sectional view of the present invention.

Illustration of the drawings:

1. a hydraulic cylinder block; 2. a first delivery conduit; 201. a first oil inlet pipe; 202. a first oil outlet pipe; 3. a second delivery conduit; 301. a second oil inlet pipe; 302. a second oil outlet pipe; 4. a pull ring; 5. repairing the door; 6. an outer cover; 7. a first air inlet; 8. a second air inlet; 9. a pneumatic cylinder; 10. an oil tank; 11. a box body; 12. a pneumatic piston; 13. a shifting fork; 14. a rotating shaft; 15. an oil pressure piston; 16. a connecting rod; 17. a cylindrical pin; 18. a slider; 19. a valve stem; 20. a servo motor; 21. rotating the handle; 22. a snap ring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a pneumatic actuator with a hydraulic manual device comprises a hydraulic cylinder body 1, a box body 11 is fixedly connected to one side of the hydraulic cylinder body 1, an oil tank 10 is fixedly connected to the top of the box body 11, an outer cover 6 is arranged on the top of the oil tank 10, the outer cover 6 is rotatably connected with the oil tank 10 through a hinge, the outer cover 6 is arranged on the top of the oil tank 10 and is sealed, environmental pollution caused by oil leakage due to aging of glue at the positions of the oil tank 10 and a valve rod 19 is avoided, the surrounding environment is protected, a servo motor 20 is arranged on the inner side of the outer cover 6, after the pneumatic actuator stops working, the servo motor 20 controls the valve rod 19 to rotate, an emergency effect can be achieved, electric control operation and manual operation are combined, labor intensity is reduced, time and labor are saved, a valve rod 19 is arranged at the bottom of the servo, the valve rod 19 is rotatably connected with the oil tank 10 through threads, the top of the valve rod 19 is provided with a through hole, one side inside the outer cover 6 is fixedly connected with a snap ring 22, the snap ring 22 is internally embedded with a rotating handle 21, the section of the rotating handle 21 is T-shaped, the smaller end of the rotating handle 21 is in clearance fit with the through hole formed in the valve rod 19, the outer cover 6 is provided with a repair door 5 at the corresponding position of the elastic pin coupling, one side of the outer cover 6 is fixedly connected with a pull ring 4, the hydraulic cylinder body 1 is internally embedded with an oil pressure piston 15, the top of one side of the oil pressure piston 15 is provided with a first conveying pipeline 2, the first conveying pipeline 2 is fixedly connected with the oil tank 10, the top of the other side of the oil pressure piston 15 is provided with a second conveying pipeline 3, the second conveying pipeline 3 is fixedly connected with the oil tank 10, the first conveying pipeline 2 comprises a first oil inlet pipe 201, the second advances oil pipe 301 one side and is equipped with the second and goes out oil pipe 302, and first oil pipe 201, first oil pipe 202, the second advances oil pipe 301, the second goes out oil pipe 302 and all is equipped with the check valve, and pipeline all is equipped with the check valve, each oil pipe of independent control, quick convenient effective.

15 one side fixedly connected with connecting rod 16 of oil pressure piston, connecting rod 16 passes through sealing ring sliding connection with hydraulic cylinder body 1, slider 18 has been cup jointed on the connecting rod 16 surface, slider 18 one side fixedly connected with cylindric lock 17, shift fork 13 has been cup jointed in the cylindric lock 17 outside, shift fork 13 keeps away from 17 one side fixedly connected with pivot 14 of cylindric lock, 1 one side fixedly connected with atmospheric pressure cylinder body 9 is kept away from to box 11, atmospheric pressure piston 12 has been inlayed to atmospheric pressure cylinder body 9 inside, atmospheric pressure piston 12 and connecting rod 16 fixed connection, atmospheric pressure piston 12 one side is equipped with first air inlet 7, atmospheric pressure piston 12 opposite side is equipped with second air inlet 8, ventilate in atmospheric pressure cylinder body 9 through the air inlet, control atmospheric pressure piston 12 removes, thereby drive slider 18 and remove, thereby cylindric lock 17 stirs shift fork 13 and rotates.

The utility model discloses a theory of operation: when the pneumatic actuator fails, the servo motor 20 is opened by electric control, the output end of the servo motor 20 drives the valve rod 19 to rotate, the valve rod 19 is in threaded connection with the oil tank 10, the valve rod 19 moves downwards, the volume in the oil tank 10 is gradually increased, oil enters the hydraulic cylinder body 1 through the first oil inlet pipe 201, the oil pressure piston 15 is pushed to move leftwards, the connecting rod 16 drives the sliding block 18 to move leftwards, the cylindrical pin 17 drives the shifting fork 13 to rotate, so that the opening of the valve is realized, when the valve needs to be closed, the first oil inlet pipe 201 is closed, the valves of the first oil outlet pipe 202 and the second oil inlet pipe 301 are opened, oil enters the hydraulic cylinder body 1 from the second oil inlet pipe 301, the oil extrudes the oil pressure piston 15 rightwards, the oil on the right side returns to the oil tank 10 through the first oil outlet pipe 202, the oil pressure piston 15 drives the connecting rod 16 to move rightwards, the cylindrical pin, when manual operation is needed, the repair door 5 is opened, the elastic pin coupling is unscrewed through the repair door 5, the valve rod 19 is separated from the servo motor 20, the outer cover 6 is opened, the rotating handle 21 fixed on the inner side of the clamping ring 22 is taken down, the rotating handle 21 is limited through a hole in the valve rod 19, and the rotating handle 21 is rotated manually, so that the valve rod 19 is lifted or lowered.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Rather, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pneumatic actuator who contains hydraulic pressure hand-operated device, includes hydraulic cylinder body (1), its characterized in that: hydraulic cylinder body (1) one side fixedly connected with box (11), box (11) top fixedly connected with oil tank (10), oil tank (10) top is equipped with enclosing cover (6), enclosing cover (6) are rotated with oil tank (10) through the hinge and are connected, enclosing cover (6) inboard is equipped with servo motor (20), servo motor (20) bottom is equipped with valve rod (19), through elasticity pin shaft coupling fixed connection between the output of valve rod (19) and servo motor (20), valve rod (19) are passed through the screw thread and are rotated with oil tank (10) and be connected, the through-hole has been seted up at valve rod (19) top.

2. A pneumatic actuator comprising a hydraulic hand-operated device according to claim 1, wherein: an oil pressure piston (15) is embedded in the hydraulic cylinder body (1), a first conveying pipeline (2) is arranged at the top of one side of the oil pressure piston (15), the first conveying pipeline (2) is fixedly connected with the oil tank (10), a second conveying pipeline (3) is arranged at the top of the other side of the oil pressure piston (15), and the second conveying pipeline (3) is fixedly connected with the oil tank (10).

3. A pneumatic actuator comprising a hydraulic hand-operated device according to claim 2, wherein: first pipeline (2) including first advance oil pipe (201), first advance oil pipe (201) one side and be equipped with first play oil pipe (202), second pipeline (3) advance oil pipe (301) including the second, the second advances oil pipe (301) one side and is equipped with the second and goes out oil pipe (302), first advance oil pipe (201), first go out oil pipe (202), the second advances oil pipe (301), the second goes out oil pipe (302) and all is equipped with the check valve.

4. A pneumatic actuator comprising a hydraulic hand-operated device according to claim 2, wherein: oil pressure piston (15) one side fixedly connected with connecting rod (16), connecting rod (16) pass through sealing ring sliding connection with hydraulic cylinder body (1), and slider (18) have been cup jointed on connecting rod (16) surface, and slider (18) one side fixedly connected with cylindric lock (17), shifting fork (13) have been cup jointed in the cylindric lock (17) outside, and cylindric lock (17) one side fixedly connected with pivot (14) are kept away from in shifting fork (13).

5. A pneumatic actuator comprising a hydraulic hand-operated device according to claim 1, wherein: one side, far away from the hydraulic cylinder body (1), of the box body (11) is fixedly connected with an air pressure cylinder body (9), an air pressure piston (12) is embedded in the air pressure cylinder body (9), the air pressure piston (12) is fixedly connected with a connecting rod (16), a first air inlet (7) is formed in one side of the air pressure piston (12), and a second air inlet (8) is formed in the other side of the air pressure piston (12).

6. A pneumatic actuator comprising a hydraulic hand-operated device according to claim 1, wherein: the clamping ring (22) is fixedly connected to one side inside the outer cover (6), the rotating handle (21) is embedded inside the clamping ring (22), the section of the rotating handle (21) is T-shaped, and the smaller end of the rotating handle (21) is in clearance fit with a through hole formed in the valve rod (19).

7. A pneumatic actuator comprising a hydraulic hand-operated device according to claim 1, wherein: the outer cover (6) is provided with a repair door (5) at the corresponding position of the elastic pin coupling, and one side of the outer cover (6) is fixedly connected with a pull ring (4).