CN216590206U - Smooth and easy pneumatic actuator admits air - Google Patents

Abstract

The utility model discloses a pneumatic actuator with smooth air inlet, which comprises a base, wherein a pneumatic actuator body is arranged on the upper surface of the base, an air outlet pipe is arranged at one end of the pneumatic actuator body, an air inlet pipe is arranged at the other end of the pneumatic actuator body, a fixed block is arranged on the upper surface of the air inlet pipe, a square groove is formed in the fixed block, a guide plate is arranged in the square groove, a limiting hole is formed in the guide plate, a spring cylinder is arranged on one side of the outer wall of the fixed block, an elastic spring is arranged in the spring cylinder, a fool-proof button is arranged at one end of the elastic spring, a pressing plate is arranged at the other end of the fool-proof button, and a limiting column is arranged on the other side of the outer wall of the pressing plate. According to the utility model, through the arrangement of a series of structures, the air inlet flow value of the pneumatic actuator can be conveniently adjusted, and the smooth air inlet of the pneumatic actuator during working is ensured.

Description

Smooth and easy pneumatic actuator admits air

Technical Field

The utility model relates to the technical field of pneumatic actuators, in particular to a pneumatic actuator with smooth air inlet.

Background

The pneumatic actuator is an actuating device for opening and closing or regulating a valve by air pressure, is also called a pneumatic actuating mechanism or a pneumatic device, but is generally called a pneumatic head. Pneumatic actuators are sometimes also equipped with certain auxiliary devices. Commonly used valve positioners and hand wheel mechanisms. The valve positioner is used for improving the performance of the actuator by utilizing a feedback principle, so that the actuator can realize accurate positioning according to a control signal of the controller. The hand wheel mechanism is used for directly operating the control valve to maintain normal production when the control system has no power supply, no air supply, no output of the controller or failure of the actuating mechanism.

The existing pneumatic actuator has the defects that: the existing pneumatic actuator has no corresponding equipment for controlling the air inlet flow rate of the air inlet pipe, and the smooth air inlet of the pneumatic actuator is influenced by the high flow rate, so certain improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pneumatic actuator with smooth air inlet to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a smooth and easy pneumatic actuator admits air, includes the base, surface mounting has the pneumatic actuator body on the base, the outlet duct is installed to pneumatic actuator body one end, the intake pipe is installed to the pneumatic actuator body other end, surface mounting has the fixed block on the intake pipe, be provided with the square groove on the fixed block, square groove internally mounted has the guide plate, be provided with spacing hole on the guide plate, spring cylinder is installed to fixed block outer wall one side, spring cylinder internally mounted has the elasticity spring, the foolproof button is installed to elasticity spring one end, the clamp plate is installed to the foolproof button other end, spacing post is installed to clamp plate outer wall opposite side, spacing post other end passes the spacing hole gap junction on fixed block and the guide plate.

Preferably, the base is provided with a mounting hole.

Preferably, the air outlet pipe and the air inlet pipe are both provided with connecting flanges, and threaded holes are formed in the connecting flanges.

Preferably, a sealing ring is installed on one side of the outer wall of the connecting flange.

Preferably, the guide plate is in clearance connection with the square groove on the fixed block.

Preferably, a valve body is installed on the upper surface of the pneumatic actuator body.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is characterized in that a guide plate, a fixed block, a spring cylinder, an elastic spring, a pressing plate, a fool-proof button, a connecting flange, a base and a pneumatic actuator body are arranged in a matching way, the pneumatic actuator body and related equipment are conveniently installed through an installation hole on the base, the connecting flanges on an air inlet pipe and an air outlet pipe are communicated with corresponding vent pipes, when the air inlet smoothness of the pneumatic actuator body is required to be adjusted, the fool-proof button is pressed to compress the elastic spring, the elastic spring pushes a limiting column connected with the pressing plate to be inserted into a limiting hole on the guide plate, so that the guide plate is fixed in a square groove in the fixed block and is in clearance connection with the square groove on the fixed block, thereby the position of the guide plate in the fixed block is conveniently adjusted, and the influence of the difference of the air inlet flow value of the air inlet pipe on the air inlet smoothness of the pneumatic actuator body is conveniently tested through the position adjustment of the guide plate, therefore, the guide plate can be fixed at a proper position to ensure smooth air inlet of the pneumatic actuator body. According to the utility model, through the arrangement of a series of structures, the air inlet flow value of the pneumatic actuator can be conveniently adjusted, and the smooth air inlet of the pneumatic actuator during working is ensured.

Drawings

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

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

FIG. 3 is a cross-sectional view taken at A of FIG. 2 according to the present invention.

In the figure: 1. a valve body; 2. an air outlet pipe; 3. mounting holes; 4. a base; 5. a fixed block; 6. an air inlet pipe; 7. a connecting flange; 8. a threaded hole; 9. a seal ring; 10. a fool-proof button; 11. a spring case; 12. a baffle; 13. a pneumatic actuator body; 14. a tension spring; 15. a limiting hole; 16. a limiting column; 17. a square groove; 18. and (7) pressing a plate.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an embodiment of the present invention is shown: a pneumatic actuator with smooth air inlet comprises a base 4, a pneumatic actuator body 13 is installed on the upper surface of the base 4, a mounting hole 3 is formed in the base 4, the pneumatic actuator body 13 and relevant equipment can be conveniently installed through the mounting hole 3 in the base 4, an air outlet pipe 2 is installed at one end of the pneumatic actuator body 13, an air inlet pipe 6 is installed at the other end of the pneumatic actuator body 13, a connecting flange 7 is installed on the air outlet pipe 2 and the air inlet pipe 6, a sealing ring 9 is installed on one side of the outer wall of the connecting flange 7, a threaded hole 8 is formed in the connecting flange 7, a fixing block 5 is installed on the upper surface of the air inlet pipe 6, a square groove 17 is formed in the fixing block 5, a guide plate 12 is installed in the square groove 17, a limiting hole 15 is formed in the guide plate 12, a spring cylinder 11 is installed on one side of the outer wall of the fixing block 5, a spring 14 is installed in the elastic spring cylinder 11, and an anti-fool button 10 is installed at one end of the elastic spring 14, the other end of the foolproof button 10 is provided with a pressing plate 18, the other side of the outer wall of the pressing plate 18 is provided with a limiting column 16, the other end of the limiting column 16 passes through the fixed block 5 to be in clearance connection with a limiting hole 15 on the guide plate 12, the guide plate 12 is in clearance connection with a square groove 17 on the fixed block 5, the air inlet pipe 6 and the connecting flange 7 on the air outlet pipe 2 are communicated with corresponding vent pipes, when the air inlet flow value of the pneumatic actuator body 13 needs to be adjusted, the foolproof button 10 is pressed, the foolproof button 10 compresses the elastic spring 14, the elastic spring 14 pushes the limiting column 16 connected with the pressing plate 18 to be inserted into the limiting hole 15 on the guide plate 12, so that the guide plate 12 is fixed in the square groove 17 in the fixed block 5, the guide plate 12 is in clearance connection with the square groove 17 on the fixed block 5, and the position of the guide plate 12 is adjusted through the position adjustment of the guide plate 12, the influence of the difference of the air inlet flow values of the air inlet pipe 6 on the smooth air inlet of the pneumatic actuator body 13 is conveniently tested, so that the guide plate 12 can be fixed at a proper position to ensure that the air inlet of the pneumatic actuator body 13 is smooth, and the valve body 1 is arranged on the upper surface of the pneumatic actuator body 13.

The working principle is as follows: when the pneumatic actuator is used, the pneumatic actuator body 13 and related equipment are conveniently installed through the installation hole 3 in the base 4, the connecting flanges 7 on the air inlet pipe 6 and the air outlet pipe 2 are communicated with corresponding vent pipelines, when the air inlet flow value of the pneumatic actuator body 13 needs to be adjusted, the fool-proof button 10 is pressed, the fool-proof button 10 compresses the elastic spring 14, the elastic spring 14 pushes the limiting column 16 connected with the pressing plate 18 to be inserted into the limiting hole 15 in the guide plate 12, the guide plate 12 is fixed in the square groove 17 in the fixing block 5, the guide plate 12 is in clearance connection with the square groove 17 in the fixing block 5, the position of the guide plate 12 in the fixing block 5 is adjusted, the influence of different air inlet flow values of the air inlet pipe 6 on the smooth air inlet of the pneumatic actuator body 13 is conveniently tested through the position adjustment of the guide plate 12, and the guide plate 12 can be fixed in a proper position to ensure that the smooth air inlet of the pneumatic actuator body 13 is conveniently adjusted.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a smooth and easy pneumatic actuator admits air, includes base (4), its characterized in that: the pneumatic actuator is characterized in that a pneumatic actuator body (13) is mounted on the upper surface of the base (4), an air outlet pipe (2) is mounted at one end of the pneumatic actuator body (13), an air inlet pipe (6) is mounted at the other end of the pneumatic actuator body (13), a fixing block (5) is mounted on the upper surface of the air inlet pipe (6), a square groove (17) is formed in the fixing block (5), a guide plate (12) is mounted in the square groove (17), a limiting hole (15) is formed in the guide plate (12), a spring barrel (11) is mounted on one side of the outer wall of the fixing block (5), a tension spring (14) is mounted in the spring barrel (11), a fool-proof button (10) is mounted at one end of the tension spring (14), a pressing plate (18) is mounted at the other end of the fool-proof button (10), and a limiting column (16) is mounted at the other side of the outer wall of the pressing plate (18), the other end of the limiting column (16) penetrates through the fixing block (5) to be in clearance connection with a limiting hole (15) in the guide plate (12).

2. The smooth-intake pneumatic actuator of claim 1, wherein: the base (4) is provided with a mounting hole (3).

3. The smooth-intake pneumatic actuator of claim 1, wherein: and the air outlet pipe (2) and the air inlet pipe (6) are both provided with connecting flanges (7), and the connecting flanges (7) are provided with threaded holes (8).

4. A smooth-intake pneumatic actuator as claimed in claim 3, wherein: and a sealing ring (9) is arranged on one side of the outer wall of the connecting flange (7).

5. The smooth-intake pneumatic actuator of claim 1, wherein: the guide plate (12) is in clearance connection with the square groove (17) on the fixed block (5).

6. The smooth-intake pneumatic actuator of claim 1, wherein: the upper surface of the pneumatic actuator body (13) is provided with a valve body (1).

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