CN215487942U

CN215487942U - Pneumatic and manual actuator

Info

Publication number: CN215487942U
Application number: CN202122378996.8U
Authority: CN
Inventors: 项光中; 胡宝
Original assignee: Zhejiang Zhanxude Automation Control Valve Co ltd
Current assignee: Zhejiang Zhanxude Automation Control Valve Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-11
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a pneumatic and manual actuator which comprises a double-head cylinder, wherein a pull rod is arranged on the outer side of the double-head cylinder, a cylinder cover is arranged at the outer end of the pull rod, a manual valve rod is arranged inside the double-head cylinder, a connecting body is arranged at the top end of the manual valve rod, a hand wheel assembly is arranged at the top of the connecting body, the top end of the manual valve rod penetrates through the connecting body and is provided with a conversion block, and a connecting sleeve is arranged at the bottom of the connecting body through a connecting flange. This pneumatic manual valve rod that adds manual executor can guarantee to realize the on-off motion of executor under the condition that does not have the air supply, and split nut is the detached state under conventional state, breaks away from completely with manual valve rod, and manual valve rod and pneumatic piston are connected state, and the manual valve rod is the motion of following the piston under the pneumatic action, and under manual operating condition, the twist grip makes the conversion block drive and laminates with manual valve rod to split nut, screws up first hexagon socket head cap screw, and the on-off motion of executor just can be realized to the rotating hand wheel subassembly.

Description

Pneumatic and manual actuator

Technical Field

The utility model relates to the technical field of valves, in particular to a pneumatic and manual actuator.

Background

The valve actuator takes compressed air as power, is a driving device for opening and closing pneumatic series angular travel valves such as a pneumatic ball valve, a pneumatic butterfly valve, a pneumatic gate valve, a pneumatic stop valve, a pneumatic diaphragm valve, a pneumatic regulating valve and the like, is an ideal device for realizing remote centralized or independent control of an industrial automation pipeline of a pipeline, has a pneumatic structure in general, does not have double control of pneumatic and manual operation, cannot realize the opening and closing of the actuator under the condition of no air source, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a pneumatic and manual actuator, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides a pneumatic and manual actuator which comprises a double-head cylinder, wherein a pull rod is arranged on the outer side of the double-head cylinder, a cylinder cover is arranged at the outer end of the pull rod, a manual valve rod is arranged in the double-head cylinder, a connecting body is arranged at the top end of the manual valve rod, a hand wheel assembly is arranged at the top of the connecting body, the top end of the manual valve rod penetrates through the connecting body and is provided with a conversion block, a connecting sleeve is arranged at the bottom of the connecting body through a connecting flange, a handle is arranged on the outer wall of one side of the conversion block, a split nut is arranged in the connecting body, and the top of the split nut is connected with the conversion block through a cylindrical pin.

Preferably, a first O-shaped ring is arranged at the joint of the manual valve rod and the cylinder cover.

Preferably, a first small round nut is mounted on the outer side of the top end of the manual valve rod, and a second small round nut is mounted on the outer side of the bottom end of the manual valve rod.

Preferably, a second O-ring is arranged at the joint of the handwheel assembly and the conversion block.

Preferably, the conversion block is connected with a hand wheel assembly through a first inner hexagon screw, and the hand wheel assembly is connected with the connecting body through a second inner hexagon screw.

Preferably, a first friction reducing piece is arranged between the connection part of the conversion block and the hand wheel assembly, and a second friction reducing piece is arranged at the connection part of the connecting sleeve and the flange.

Preferably, the connecting body is connected with the connecting flange through a first outer hexagon bolt, and a second outer hexagon bolt and a first hexagon nut are installed on one side of the double-headed cylinder.

Preferably, the outer end of the pull rod is locked and fixed with the cylinder cover through a second hexagonal nut.

Compared with the prior art, the utility model has the beneficial effects that:

in this pneumatic and manual executor, can guarantee to realize the on-off motion of executor under the condition that does not have the air supply through the manual valve rod that wherein sets up, split nut is the detached state under conventional state, breaks away from completely with manual valve rod, and manual valve rod and pneumatic piston are connected state, and the manual valve rod is the motion of following the piston under the pneumatic action, and under manual operating condition, the twist grip makes the conversion piece drive and laminates with manual valve rod split nut, screws up first interior hexagonal screw, and the on-off motion of executor just can be realized to the rotating hand wheel subassembly.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is an external structural view of the present invention.

The various reference numbers in the figures mean:

1. a manual valve stem; 2. a first O-ring; 3. connecting sleeves; 4. a first small round nut; 5. a connecting flange; 6. a hand wheel assembly; 7. a second O-ring; 8. a first socket head cap screw; 9. a conversion block; 10. a handle; 11. a second socket head cap screw; 12. a first friction reducing sheet; 13. a cylindrical pin; 14. splitting the nut; 15. a linker; 16. a second friction reducing sheet; 17. a first outer hexagon bolt; 18. a second small round nut; 19. a double-ended cylinder; 20. a second outer hexagon bolt; 21. a first hexagonal nut; 22. a pull rod; 23. a cylinder head; 24. and a second hexagonal nut.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

The utility model provides a pneumatic and manual actuator, as shown in fig. 1-2, which comprises a double-head cylinder 19, a pull rod 22 is arranged on the outer side of the double-head cylinder 19, a cylinder cover 23 is arranged at the outer end of the pull rod 22, a manual valve rod 1 is arranged in the double-head cylinder 19 and used for manually controlling the actuator to be opened and closed, a connecting body 15 is arranged at the top end of the manual valve rod 1, a hand wheel assembly 6 is arranged at the top end of the connecting body 15 and convenient for a hand to rotate the connecting body, the top end of the manual valve rod 1 penetrates through the connecting body 15 and is provided with a conversion block 9, a connecting sleeve 3 is arranged at the bottom of the connecting body 15 through a connecting flange 5, a handle 10 is arranged on the outer wall of one side of the conversion block 9, a split nut 14 is arranged in the connecting body 15, and the top of the split nut 14 is connected with the conversion block 9 through a cylindrical pin 13.

In the embodiment, a first O-ring 2 is arranged at the joint of the manual valve rod 1 and the cylinder head 23, and is used for sealing between the manual valve rod 1 and the cylinder head 23.

Specifically, a first small round nut 4 is installed on the outer side of the top end of the manual valve rod 1, and a second small round nut 18 is installed on the outer side of the bottom end of the manual valve rod 1 and used for limiting the upper end and the lower end of the manual valve rod 1.

Further, a second O-shaped ring 7 is arranged at the joint of the hand wheel assembly 6 and the conversion block 9 and used for sealing the joint of the hand wheel assembly 6 and the conversion block 9.

Furthermore, the conversion block 9 is connected with the hand wheel assembly 6 through a first inner hexagon screw 8, and the hand wheel assembly 6 is connected with the connector 15 through a second inner hexagon screw 11, so that the hand wheel assembly 6 is convenient to disassemble and assemble.

Example 2

In order to further reduce the abrasion between parts, a first anti-friction piece 12 is arranged between the connection part of the conversion block 9 and the hand wheel assembly 6 to reduce the friction between the conversion block 9 and the hand wheel assembly 6, and a second anti-friction piece 16 is arranged between the connection part of the connecting sleeve 3 and the connecting flange 5 to reduce the friction between the connecting sleeve 3 and the connecting flange 5.

Further, the connecting body 15 is connected with the connecting flange 5 through the first outer hexagon bolts 17, so that the connecting flange 5 can be conveniently detached and replaced, and the second outer hexagon bolts 20 and the first hexagon nuts 21 are installed on one side of the double-headed cylinder 19.

Furthermore, the outer end of the pull rod 22 is locked and fixed with the cylinder cover 23 through a second hexagon nut 24, so that the cylinder cover 23 is convenient to detach and replace.

When the pneumatic and manual actuator is used, firstly, the device is assembled, the split nut 14 is in a split state in a conventional state and is completely separated from the manual valve rod 1, at the moment, the manual valve rod 1 and the pneumatic piston are in a connected state, the manual valve rod 1 moves along with the piston under the pneumatic action, the opening and closing action of the valve can be realized, and when an air source is not available, the split nut 14 is driven by the conversion block 9 to be attached to the manual valve rod 1 by working the manual valve rod 1 in a manual state and rotating the handle 10, then the first hexagon socket head cap screw 8 is screwed, and then the hand wheel assembly 6 is rotated, so that the opening and closing action of the actuator can be realized.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A pneumatic and manual actuator comprising a double-headed cylinder (19), characterized in that: the utility model discloses a double-end cylinder (19) is characterized in that the outside of double-end cylinder (19) is provided with pull rod (22), cylinder head (23) are installed to the outer end of pull rod (22), the inside of double-end cylinder (19) is provided with manual valve rod (1), connector (15) are installed on the top of manual valve rod (1), hand wheel subassembly (6) are installed at the top of connector (15), the top of manual valve rod (1) runs through connector (15) and installs conversion piece (9), adapter sleeve (3) are installed through flange (5) in the bottom of connector (15), handle (10) are installed to one side outer wall of conversion piece (9), the inside of connector (15) is provided with split nut (14), the top of split nut (14) is passed through cylindric lock (13) and is connected with conversion piece (9).

2. Pneumatic and manual actuator according to claim 1, characterized in that: and a first O-shaped ring (2) is arranged at the joint of the manual valve rod (1) and the cylinder cover (23).

3. Pneumatic and manual actuator according to claim 1, characterized in that: a first small round nut (4) is installed on the outer side of the top end of the manual valve rod (1), and a second small round nut (18) is installed on the outer side of the bottom end of the manual valve rod (1).

4. Pneumatic and manual actuator according to claim 1, characterized in that: and a second O-shaped ring (7) is arranged at the joint of the hand wheel assembly (6) and the conversion block (9).

5. Pneumatic and manual actuator according to claim 1, characterized in that: the conversion block (9) is connected with a hand wheel component (6) through a first inner hexagon screw (8), and the hand wheel component (6) is connected with a connecting body (15) through a second inner hexagon screw (11).

6. Pneumatic and manual actuator according to claim 1, characterized in that: a first friction reducing piece (12) is arranged between the connection position of the conversion block (9) and the hand wheel assembly (6), and a second friction reducing piece (16) is arranged at the connection position of the connecting sleeve (3) and the flange (5).

7. Pneumatic and manual actuator according to claim 1, characterized in that: the connector (15) is connected with the connecting flange (5) through a first outer hexagon bolt (17), and a second outer hexagon bolt (20) and a first hexagon nut (21) are installed on one side of the double-headed cylinder (19).

8. Pneumatic and manual actuator according to claim 1, characterized in that: the outer end of the pull rod (22) is locked and fixed with the cylinder cover (23) through a second hexagonal nut (24).