Pneumatic actuator for valve

Abstract

The pneumatic actuator for the valve comprises a bearing plate, the outer wall of the bearing plate is fixedly connected with a protection square frame, the inner wall of the protection square frame is provided with a circular barrel shell, the outer wall of the circular barrel shell is provided with a transverse strip supporting rod, and the outer wall of the transverse strip supporting rod is fixedly connected with a positioning block. And a servo motor is mounted on the outer wall of the positioning block. According to the pneumatic actuator for the valve, the bearing plate, the protection square frame, the circular barrel shell, a transverse strip supporting rod, a positioning block, a servo motor, a transmission blade and a hollowed-out circular plate are arranged and used in cooperation at present, so that the pneumatic actuator for the valve is convenient to cool, the cooling effect is good, a user starts the servo motor, the servo motor drives the transmission blade to rotate, and the cooling effect is good. According to the pneumatic actuator, the heat of the pneumatic actuator body is effectively dissipated, and in the long-time working process of the pneumatic actuator body, electronic elements in the pneumatic actuator body are inevitably heated and hot, so that the purposes of cooling and heat dissipation are more effective and obvious.

Description

Technical Field

[0001] The utility model belongs to the technical direction of pneumatic actuators, and specifically relates to a pneumatic actuator for valves. Background Art

[0002] A pneumatic actuator is a device that uses air pressure to open, close, or regulate valves. It's also called a pneumatic actuator or pneumatic device, but more commonly referred to as a pneumatic head. Pneumatic actuators are sometimes equipped with auxiliary devices, most commonly valve positioners and handwheel mechanisms. A valve positioner utilizes feedback to improve actuator performance, enabling the actuator to accurately position according to the controller's control signals. The handwheel mechanism allows for direct control of the control valve to maintain normal production when the control system experiences a power outage, gas outage, controller failure, or actuator failure.

[0003] With the continuous advancement of pneumatic actuators, more and more pneumatic actuators for valves have the problem of poor cooling effect during use, which has not been solved, making it inconvenient for people to use to a certain extent; the pneumatic actuators for valves in the existing technology may have the phenomenon of inconvenient installation and positioning during use, which may reduce the use effect of the device.

[0004] Therefore, how to provide a pneumatic actuator for a valve has become an urgent problem to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of the present utility model is to provide a pneumatic actuator for a valve in accordance with the existing device, so as to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a pneumatic actuator for a valve, comprising a receiving plate, the outer wall of the receiving plate is fixedly connected to a protective frame, the inner wall of the protective frame is provided with a circular cylindrical shell, and the outer wall of the circular cylindrical shell is provided with a horizontal support rod.

[0007] The outer wall of the horizontal support rod is fixedly connected with a positioning block, the outer wall of the positioning block is installed with a servo motor, the output shaft of the servo motor is fixedly connected with a transmission blade through a coupling, and the outer wall of the circular cylinder shell is provided with a hollow circular plate.

[0008] The utility model further describes that the outer wall of the connecting plate is fixedly connected with a connecting block, the inner wall of the connecting block is provided with a through hole, the inner wall of the through hole is threadedly connected with a positioning bolt, the outer wall of the positioning bolt is threadedly connected with a bottom mounting block, the inner wall of the bottom mounting block is provided with a circular hole, the inner wall of the circular hole is threadedly connected with a mounting bolt, and the top of the bottom mounting block is provided with a pneumatic actuator body.

[0009] By adopting the above technical solution, the structure in the solution is easy to install and position, making the installation and positioning effect more stable.

[0010] The present invention further illustrates that the connecting blocks are symmetrically arranged along the central axis of the connecting plate, and the connecting blocks are on the same horizontal line.

[0011] By adopting the above technical solution, the arrangement of the structural connecting blocks in the solution facilitates fixing with positioning bolts.

[0012] The present invention further illustrates that the structures of the servo motor and the transmission blade match each other, and the diameter of the transmission blade is smaller than the diameter of the circular cylindrical shell.

[0013] By adopting the above technical solution, the arrangement of the structural servo motor in the solution facilitates driving the transmission blades to rotate.

[0014] The present invention further illustrates that the mounting bolt passes through the bottom mounting block through a circular hole, and the number of the bottom mounting blocks is four.

[0015] By adopting the above technical solution, the arrangement of the structural mounting bolts in the solution facilitates the installation and positioning of the bottom mounting block.

[0016] The present invention further describes that a vent is provided on the outer wall of the circular cylindrical shell, and the circular cylindrical shell is arranged directly behind the pneumatic actuator body.

[0017] By adopting the above technical solution, the structural setting in the solution makes the structural setting of cooling and heat dissipation more reasonable.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0019] (1) By providing a receiving plate, a protective square frame, a circular cylindrical shell, a horizontal support rod, a positioning block, a servo motor, a transmission blade and a hollow circular plate, the pneumatic actuator for the valve is easy to cool down, and the cooling effect is good. When the user starts the servo motor, the servo motor drives the transmission blade to rotate, so that the pneumatic actuator body is effectively cooled. When the pneumatic actuator body works for a long time, the internal electronic components will inevitably heat up, making the purpose of cooling and heat dissipation more effective and obvious, and can meet people's use needs.

[0020] (2) By providing a connecting block, a through hole, a positioning bolt, a bottom mounting block, a circular hole, a mounting bolt and a pneumatic actuator body, the pneumatic actuator for the valve is easy to install and position, and the installation and positioning effect is good, which is convenient for users to install and position according to their needs. By screwing the positioning bolt through the through hole, the connecting block and the bottom mounting block are fixed. By screwing the mounting bolt through the circular hole, the pneumatic actuator body can be installed and positioned, making the positioning more stable and improving the use effect of the device to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a top sectional view of the utility model;

[0024] Figure 3 This is a schematic diagram of the mounting bolt connection structure of the utility model;

[0025] Figure 4 It is a side sectional view of the utility model;

[0026] Figure 5 This utility model Figure 4 Enlarged view of point A in the middle.

[0027] In the figure: 1. Adapter plate; 2. Protective frame; 3. Circular cylinder; 4. Horizontal support rod; 5. Positioning block; 6. Servo motor; 7. Transmission blade; 8. Hollow circular plate; 9. Connecting block; 10. Through hole; 11. Positioning bolt; 12. Bottom mounting block; 13. Circular hole; 14. Mounting bolt; 15. Pneumatic actuator body. DETAILED DESCRIPTION

[0028] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0029] Example 1

[0030] like Figure 1-5As shown, the utility model provides a pneumatic actuator for a valve, including a receiving plate 1, the outer wall of the receiving plate 1 is fixedly connected to a protective frame 2, the inner wall of the protective frame 2 is provided with a circular cylindrical shell 3, and the outer wall of the circular cylindrical shell 3 is provided with a horizontal support rod 4.

[0031] The outer wall of the horizontal support rod 4 is fixedly connected with a positioning block 5, the outer wall of the positioning block 5 is installed with a servo motor 6, the output shaft of the servo motor 6 is fixedly connected with a transmission blade 7 through a coupling, and the outer wall of the circular cylinder shell 3 is provided with a hollow circular plate 8.

[0032] In this embodiment, by providing a receiving plate 1, a protective frame 2, a circular cylindrical shell 3, a horizontal support rod 4, a positioning block 5, a servo motor 6, a transmission leaf 7 and a hollow circular plate 8, the pneumatic actuator for the valve is easy to cool down, and the cooling effect is good. The user starts the servo motor 6, so that the servo motor 6 drives the transmission leaf 7 to rotate, so that the pneumatic actuator body 15 is effectively dissipated. During the long-term operation of the pneumatic actuator body 15, the internal electronic components will inevitably heat up, making the purpose of cooling and heat dissipation more effective and obvious, and can meet people's usage needs.

[0033] Example 2

[0034] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the outer wall of the connecting plate 1 is fixedly connected with a connecting block 9, the inner wall of the connecting block 9 is provided with a through hole 10, the inner wall of the through hole 10 is threadedly connected with a positioning bolt 11, the outer wall of the positioning bolt 11 is threadedly connected with a bottom mounting block 12, the inner wall of the bottom mounting block 12 is provided with a circular hole 13, the inner wall of the circular hole 13 is threadedly connected with a mounting bolt 14, and the top of the bottom mounting block 12 is provided with a pneumatic actuator body 15.

[0035] In this embodiment, the structure in this solution facilitates installation and positioning, making the installation and positioning effect more stable.

[0036] In this embodiment, by providing the connecting block 9, the through hole 10, the positioning bolt 11, the bottom mounting block 12, the circular hole 13, the mounting bolt 14 and the pneumatic actuator body 15, the pneumatic actuator for the valve is easy to install and position, and the installation and positioning effect is good, which is convenient for the user to install and position according to needs. By screwing the positioning bolt 11 through the through hole 10, the connecting block 9 and the bottom mounting block 12 are fixed. By screwing the mounting bolt 14 through the provided circular hole 13, the pneumatic actuator body 15 can be installed and positioned, making the positioning more stable and improving the use effect of the device to a certain extent.

[0037] Example 3

[0038] like Figure 1-5 As shown, based on Example 1 and Example 2, the present invention provides a technical solution: preferably, the connecting blocks 9 are symmetrically arranged along the central axis of the receiving plate 1, and the connecting blocks 9 are on the same horizontal line.

[0039] In this embodiment, the arrangement of the structural connecting block 9 in this solution facilitates fixation by the positioning bolts 11 .

[0040] Preferably, the structures of the servo motor 6 and the transmission blade 7 match each other, and the diameter of the transmission blade 7 is smaller than the diameter of the circular cylindrical shell 3.

[0041] In this embodiment, the configuration of the structural servo motor 6 in this solution facilitates driving the transmission blade 7 to rotate.

[0042] Preferably, the mounting bolt 14 passes through the circular hole 13 and penetrates the bottom mounting block 12 , and there are four bottom mounting blocks 12 .

[0043] In this embodiment, the arrangement of the structural mounting bolts 14 in this solution facilitates the installation and positioning of the bottom mounting block 12 .

[0044] Preferably, a vent is provided on the outer wall of the circular cylindrical shell 3 , and the circular cylindrical shell 3 is arranged directly behind the pneumatic actuator body 15 .

[0045] In this embodiment, the structural setting in this solution makes the structural setting of cooling and heat dissipation more reasonable.

[0046] The following is a detailed description of the working principle of the pneumatic actuator for the valve.

[0047] like Figure 1-5 As shown, when the pneumatic actuator for the valve is used, the internal electronic components of the pneumatic actuator body 15 will inevitably heat up during long-term operation. The user starts the servo motor 6, so that the servo motor 6 drives the transmission blade 7 to rotate, so that the pneumatic actuator body 15 is effectively dissipated, making the purpose of cooling and heat dissipation more effective and obvious. The positioning bolt 11 is screwed through the through hole 10 to facilitate fixing the connecting block 9 and the bottom mounting block 12. The pneumatic actuator body 15 can be installed and positioned by screwing the mounting bolt 14 through the provided circular hole 13.

[0048] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0049] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A pneumatic actuator for a valve, comprising a receiving plate (1), characterized in that: The outer wall of the receiving plate (1) is fixedly connected to a protective frame (2), the inner wall of the protective frame (2) is provided with a circular cylindrical shell (3), and the outer wall of the circular cylindrical shell (3) is provided with a horizontal support rod (4); The outer wall of the horizontal support rod (4) is fixedly connected to a positioning block (5), the outer wall of the positioning block (5) is mounted with a servo motor (6), the output shaft of the servo motor (6) is fixedly connected to a transmission blade (7) via a coupling, and the outer wall of the circular cylindrical shell (3) is provided with a hollow circular plate (8).

2. A pneumatic actuator for a valve according to claim 1, characterized in that: The outer wall of the connecting plate (1) is fixedly connected with a connecting block (9), the inner wall of the connecting block (9) is provided with a through hole (10), the inner wall of the through hole (10) is threadedly connected with a positioning bolt (11), the outer wall of the positioning bolt (11) is threadedly connected with a bottom mounting block (12), the inner wall of the bottom mounting block (12) is provided with a circular hole (13), the inner wall of the circular hole (13) is threadedly connected with a mounting bolt (14), and the top of the bottom mounting block (12) is provided with a pneumatic actuator body (15).

3. A pneumatic actuator for a valve according to claim 2, characterized in that: The connecting blocks (9) are symmetrically arranged along the central axis of the receiving plate (1), and the connecting blocks (9) are located on the same horizontal line.

4. A pneumatic actuator for a valve according to claim 1, characterized in that: The structures of the servo motor (6) and the transmission blade (7) match each other, and the diameter of the transmission blade (7) is smaller than the diameter of the circular cylindrical shell (3).

5. The pneumatic actuator for a valve according to claim 2, characterized in that: The mounting bolt (14) passes through the bottom mounting block (12) through the circular hole (13), and the number of the bottom mounting blocks (12) is four.

6. A pneumatic actuator for a valve according to claim 2, characterized in that: The outer wall of the circular cylindrical shell (3) is provided with a vent, and the circular cylindrical shell (3) is arranged directly behind the pneumatic actuator body (15).

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