CN220102245U

CN220102245U - Manual and pneumatic integrated operation actuator

Info

Publication number: CN220102245U
Application number: CN202321226966.8U
Authority: CN
Inventors: 张武; 王孝东; 周海娃; 任建建
Original assignee: Zhejiang Huaershi Automatic Control Instrument Valve Co ltd
Current assignee: Zhejiang Huaershi Automatic Control Instrument Valve Co ltd
Priority date: 2023-05-20
Filing date: 2023-05-20
Publication date: 2023-11-28
Anticipated expiration: 2033-05-20

Abstract

The utility model discloses a manual and pneumatic integrated operation actuator which comprises a cylinder body, wherein the cylinder body is connected with a box body, a piston rod is connected to the box body, a rotating shaft is connected to the piston rod in a rotating mode, a shifting fork is connected to the box body in a rotating mode, and the shifting fork is connected with the rotating shaft in a sliding mode. As a preferable technical scheme of the utility model, the bottom end of the shifting fork is provided with a sliding groove which is in sliding connection with the rotating shaft. As a preferable technical scheme of the utility model, the shifting fork is provided with a control panel. As a preferable technical scheme of the utility model, the box body is connected with a partition board, the partition board is connected with a piston rod in a sliding way, and two ends of the piston rod are respectively provided with a piston A and a piston B. The shifting fork is arranged on the cylinder body to be in contact with the rotating shaft connected with the piston rod, so that the operation requirement of the manual control device is met.

Description

Manual and pneumatic integrated operation actuator

Technical Field

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

Background

The pneumatic actuator is an actuating device for driving the opening and closing or adjusting valve by air pressure, and is also called a pneumatic actuating mechanism or a pneumatic device, but is commonly called a pneumatic head. Pneumatic actuators are sometimes also equipped with certain auxiliary devices. Valve positioners and hand wheel mechanisms are commonly used. The valve positioner has the function of improving the performance of the actuator by utilizing a feedback principle, so that the actuator can accurately position according to the control signal of the controller. The traditional pneumatic actuator has the defects of large integral volume, high production cost and the like because the pneumatic structure and the manual structure are split.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the hand-air integrated operation actuator, which can reduce the occupied space of the device, reduce the volume of the device and reduce the production cost of the device.

In order to solve the technical problems, the utility model provides the following technical scheme: the manual and pneumatic integrated operation actuator comprises a cylinder body, wherein the cylinder body is connected with a box body, the box body is connected with a piston rod, the piston rod is rotatably connected with a rotating shaft, the box body is rotatably connected with a shifting fork, and the shifting fork is in sliding connection with the rotating shaft.

As a preferable technical scheme of the utility model, the bottom end of the shifting fork is provided with a sliding groove which is in sliding connection with the rotating shaft.

As a preferable technical scheme of the utility model, the shifting fork is provided with a control panel.

As a preferable technical scheme of the utility model, the box body is connected with a partition board, the partition board is connected with a piston rod in a sliding way, and two ends of the piston rod are respectively provided with a piston A and a piston B.

As a preferable technical scheme of the utility model, the box body is connected with a cylinder for driving the piston A and the piston B to move.

As a preferable technical scheme of the utility model, the air cylinder is connected with a spring cylinder, and the spring cylinder is connected with an adjusting bolt.

As a preferable technical scheme of the utility model, the spring cylinder is connected with a spring cover.

As a preferable technical scheme of the utility model, the piston a and the piston B are connected with washers.

As a preferable technical scheme of the utility model, the piston B is connected with the spring seat, the piston B is connected with the return spring, one end of the return spring is connected to the piston B, and the other end of the return spring is connected to the spring seat.

As a preferable technical scheme of the utility model, the bottom end of the adjusting bolt is contacted with the spring seat.

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

1. the shifting fork is arranged on the cylinder body to be in contact with the rotating shaft connected with the piston rod, so that the operation requirement of the manual control device is met.

2. The motion stroke of the piston rod is changed through the adjusting bolt arranged on the spring cylinder, so that the controlled valve obtains different corner positions, and the adjustment operation of the valve on the medium flow is realized.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

fig. 3 is an enlarged partial schematic view of the present utility model.

Wherein: a cylinder 1; a piston A2; a piston rod 3; a separator 4; a case 5; a fork 6; a piston B7; a cylinder 8; a spring cylinder 9; an adjusting bolt 10; a spring cover 11; and a rotating shaft 12.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

example 1

The utility model discloses a manual and pneumatic integrated operation actuator, which is different from the traditional manual and pneumatic mechanism of the actuator in a split structure, and the manual control of the actuator is realized by arranging a shifting fork 6 on a box body 5 to drive a connected piston rod 3 to move.

As shown in fig. 1-3, a piston A2 is slidably connected in the cylinder 1, an outer ring of the piston A2 is slidably connected with an inner wall of the cylinder 1, a piston rod 3 is connected to one end of the piston A2, a box 5 is connected to the cylinder 1, a partition board 4 is connected to one end of the box 5, a piston rod 3 is slidably connected to the middle of the partition board 4, an axis of the piston rod 3 is collinear with an axis of the partition board 4, a rotating shaft 12 for controlling the piston rod 3 to move is rotatably connected to the piston rod 3, a shifting fork 6 is rotatably connected to the box 5, a sliding groove is arranged at the bottom end of the shifting fork 6, the sliding groove is slidably connected with the rotating shaft 12, the piston rod 3 connected can be driven to move by driving the shifting fork 6, when the shifting fork 6 rotates clockwise, the piston rod 3 moves leftwards, and a control panel for driving the rotation of a worker is arranged on the shifting fork 6. The other end of the piston rod 3 is connected with a piston B7, the box 5 is connected with a cylinder 8, and the piston rod 3 can be driven to move through the cylinder 8, so that the device is driven to operate, and the manual and pneumatic operation integration of the device is realized.

Example 2

On the basis of embodiment 1, as shown in fig. 1-3, the piston A2 and the piston B7 are both connected with washers, and the washers can protect the piston A2 and the piston B7 while reducing friction generated by movement of the piston A2 and the piston B7 in the cylinder 1, so that collision between the piston A2 and the inner wall of the cylinder 1 in the movement process of the piston A2 and the piston B7 is avoided, and the structural damage of the device is caused.

Further, in order to ensure the accuracy of device reset, a reset spring for resetting is connected to the piston B7, when the piston B7 moves rightwards, the reset spring stretches to generate a reverse force, and when the piston B7 moves leftwards, the reset spring pushes the piston B7 to reset quickly, so that the accuracy and speed of device reset are ensured.

Example 3

On the basis of embodiment 2, as shown in fig. 1-3, a spring cylinder 9 is connected to the air cylinder 8, an adjusting bolt 10 is connected to the spring cylinder 9, the top end of the adjusting bolt 10 is connected to the spring cylinder 9, the bottom end of the adjusting bolt 10 is in contact with a spring seat arranged on the piston B7, and the movement stroke of the spring seat is limited through the bottom end of the adjusting bolt 10, so that the movement stroke of the piston rod 3 is changed, the movement stroke of the device is changed, the controlled valve obtains different corner positions, and the adjustment operation of the valve on the medium flow is realized.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an integrative operation executor of hand and gas, includes cylinder body (1), be connected with box (5) on cylinder body (1), be connected with piston rod (3), its characterized in that on box (5): the piston rod (3) is rotatably connected with a rotating shaft (12), the box body (5) is rotatably connected with a shifting fork (6), and the shifting fork (6) is in sliding connection with the rotating shaft (12).

2. The integrated hand and air operation actuator of claim 1, wherein: the bottom of the shifting fork (6) is provided with a sliding groove which is in sliding connection with the rotating shaft (12).

3. The integrated hand and air operation actuator of claim 2, wherein: a control panel is arranged on the shifting fork (6).

4. The integrated hand and air operation actuator of claim 1, wherein: the novel hydraulic cylinder is characterized in that a partition plate (4) is connected to the box body (5), a piston rod (3) is connected to the partition plate (4) in a sliding mode, and a piston A (2) and a piston B (7) are respectively arranged at two ends of the piston rod (3).

5. The integrated hand and air operation actuator of claim 4, wherein: the box body (5) is connected with a cylinder (8) for driving the piston A (2) and the piston B (7) to move.

6. The integrated hand and air operation actuator according to claim 5, wherein: the air cylinder (8) is connected with a spring cylinder (9), and the spring cylinder (9) is connected with an adjusting bolt (10).

7. The integrated hand and air operation actuator of claim 6, wherein: the spring cylinder (9) is connected with a spring cover (11).

8. The integrated hand and air operation actuator of claim 7, wherein: and gaskets are connected to the piston A (2) and the piston B (7).

9. The integrated hand and air operation actuator of claim 8, wherein: the piston B (7) is connected with a spring seat, the piston B (7) is connected with a return spring, one end of the return spring is connected to the piston B (7), and the other end of the return spring is connected to the spring seat.

10. The integrated hand and air operation actuator of claim 9, wherein: the bottom end of the adjusting bolt (10) is in contact with the spring seat.