Pneumatic actuator capable of adjusting opening degree of valve at will

Abstract

The utility model relates to the technical field of pneumatic actuators, and discloses a pneumatic actuator capable of randomly adjusting the opening degree of a valve, which comprises an actuator body, the back of the actuator body is fixedly connected with a mounting mechanism, the bottom end of the actuator body is provided with an adjusting mechanism, and the front of the actuator body is fixedly connected with sensing equipment; the mounting mechanism comprises a mounting plate, the mounting plate is fixedly connected to the back face of the actuator body, a limiting rod is arranged in the top end of the mounting plate, a fixing plate is fixedly connected to one end of the back face of the limiting rod, a first bolt is in threaded connection with the interior of the mounting plate, and a supporting frame is fixedly connected to the top of the mounting plate. According to the pneumatic actuator capable of randomly adjusting the opening degree of the valve, through the arranged mounting mechanism, the inserting strip is driven to face upwards, then after the mounting plate and the fixing plate are tightly clamped, the T-shaped strip is loosened, the inserting strip is driven to be clamped into the top end of the fixing plate under the elastic force effect of the spring, and therefore the use supporting effect of the actuator body can be further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic actuators, in particular to a pneumatic actuator with an arbitrarily adjustable valve opening degree. Background Technique

[0002] Pneumatic actuators play a crucial role in the field of industrial automation. By using compressed air as the power source, they can achieve precise control of various valves, ensuring the smooth progress of the industrial production process. They can adjust the flow rate of the process medium, thereby keeping the controlled automation instrument within the required range during the production process.

[0003] In addition, during the use of pneumatic actuators, auxiliary devices are sometimes equipped. Commonly used ones include valve positioners and handwheel mechanisms. The function of the valve positioner is to improve the performance of the actuator using the feedback principle. When a pneumatic actuator is in use, the opening degree of its valve can generally be adjusted arbitrarily, but the equipment usually has low support when it is installed and used. Content of the Utility Model

[0004] The purpose of the utility model is to provide a pneumatic actuator with an arbitrarily adjustable valve opening degree to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A pneumatic actuator with an arbitrarily adjustable valve opening degree, including an actuator body. A mounting mechanism is fixedly connected to the back of the actuator body. An adjusting mechanism is arranged at the bottom end of the actuator body. A sensing device is fixedly connected to the front of the actuator body.

[0006] The mounting mechanism includes a mounting plate. The mounting plate is fixedly connected to the back of the actuator body. A limiting rod is arranged inside the top end of the mounting plate. One end of the back of the limiting rod is fixedly connected to a fixing plate. A first bolt is threadedly connected inside the mounting plate. A support frame is fixedly connected to the top of the mounting plate. A spring is fixedly connected inside the support frame. The bottom end of the spring is fixedly connected to a T-shaped rod. The top end of the T-shaped rod is fixedly connected to a T-shaped strip. An insertion strip is fixedly connected inside one end of the T-shaped strip.

[0007] Preferably, a jack is opened inside the top end of the mounting plate. The surface of the limiting rod matches the inside of the jack, facilitating the movement of the limiting rod under the limitation in the jack.

[0008] Preferably, threaded holes are respectively opened inside the left and right ends of the fixing plate. The surface of the first bolt is threadedly connected to the inside of the threaded holes.

[0009] Preferably, a clamping hole is opened at the top of the fixing plate. The surface of the insertion strip matches the inside of the clamping hole, facilitating the insertion strip to be inserted into the clamping hole for clamping.

[0010] Preferably, through holes are respectively formed in the inner parts of the front and rear ends of the support frame. The surface of the insertion strip penetrates through the through hole formed in the inner part of the rear end of the support frame, and the surface of the T-shaped rod penetrates through the through hole formed in the inner part of the front end of the support frame.

[0011] Preferably, the adjusting mechanism includes a positioning ring which is rotatably connected to the bottom end of the actuator body. A connecting pipe is fixedly connected to the surface of the positioning ring. A valve body is fixedly connected to the bottom end of the connecting pipe. The top end of the connecting pipe is rotatably connected to the bottom end of the actuator body. A rotating wheel is arranged on the front surface of the valve body. A T-shaped plate is fixedly connected to the bottom end of the actuator body, and a second bolt is in threaded connection with the inside of the T-shaped plate.

[0012] Preferably, a positioning screw hole is formed in the surface of the positioning ring, and the surface of the second bolt is in threaded connection with the positioning screw hole, which is convenient for fixing the valve body after adjustment by using the positioning of the second bolt and the positioning ring.

[0013] Compared with the prior art, the present utility model provides a pneumatic actuator with an arbitrarily adjustable valve opening, and has the following beneficial effects:

[0014] 1. For the pneumatic actuator with an arbitrarily adjustable valve opening, through the arranged installation mechanism, in order to further strengthen the use support effect of the actuator body, during the tight installation of the mounting plate and the fixing plate, at this time, pull up the T-shaped strip to overcome the elasticity of the spring, drive the insertion strip upward, and after the mounting plate and the fixing plate are tightly clamped, loosen the T-shaped strip and drive the insertion strip to be inserted into the top end inside the fixing plate under the elastic force of the spring, so as to further strengthen the use support effect of the actuator body.

[0015] 2. For the pneumatic actuator with an arbitrarily adjustable valve opening, through the arranged adjusting mechanism, after the positioning ring rotates to a certain degree, at this time, use the second bolt to tighten between the T-shaped plate and the positioning ring, so as to adjust the use effect of the valve body, expand the use range of the valve body, and the opening degree of the valve body can be arbitrarily adjusted by operating the rotating wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts:

[0017] Figure 1 It is a three-dimensional view of the overall structure of the present utility model;

[0018] Figure 2 It is a three-dimensional exploded view of the installation mechanism of the present utility model;

[0019] Figure 3 This is the three-dimensional exploded view of the parts of the installation mechanism of the present utility model;

[0020] Figure 4 This is the three-dimensional exploded view of the adjustment mechanism of the present utility model.

[0021] In the figure: 1. Actuator body; 2. Installation mechanism; 21. Fixed plate; 22. Limit rod; 23. Installation plate; 24. First bolt; 25. Support frame; 26. Spring; 27. T-shaped rod; 28. T-shaped strip; 29. Insertion strip; 3. Adjustment mechanism; 31. Positioning ring; 32. Connecting pipe; 33. Valve body; 34. Runner; 35. T-shaped plate; 36. Second bolt; 4. Sensing device. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] The present utility model provides the following technical solutions:

[0025] Embodiment 1

[0026] Combined with Figures 2 to 4 , a pneumatic actuator with an arbitrarily adjustable valve opening, including an actuator body 1, an installation mechanism 2 fixedly connected to the back of the actuator body 1, an adjustment mechanism 3 arranged at the bottom of the actuator body 1, and a sensing device 4 fixedly connected to the front of the actuator body 1;

[0027] The installation mechanism 2 includes an installation plate 23. The installation plate 23 is fixedly connected to the back of the actuator body 1. Inside the top end of the installation plate 23, there is a limit rod 22. One end of the back of the limit rod 22 is fixedly connected to a fixing plate 21. Inside the installation plate 23, there is a first bolt 24 threadedly connected. On the top of the installation plate 23, there is a support frame 25 fixedly connected. Inside the support frame 25, there is a spring 26 fixedly connected. The bottom end of the spring 26 is fixedly connected to a T-shaped rod 27. The top end of the T-shaped rod 27 is fixedly connected to a T-shaped strip 28. Inside one end of the T-shaped strip 28, there is an insertion strip 29 fixedly connected. Inside the top end of the installation plate 23, there are insertion holes opened. The surface of the limit rod 22 matches the inside of the insertion holes. Inside the left and right ends of the fixing plate 21 respectively, there are threaded holes opened. The surface of the first bolt 24 is threadedly connected to the inside of the threaded holes.

[0028] Furthermore, on the top of the fixing plate 21, there are clamping holes opened. The surface of the insertion strip 29 matches the inside of the clamping holes. Inside the front and back ends of the support frame 25 respectively, there are through holes opened. The surface of the insertion strip 29 penetrates through the through hole opened inside the back end of the support frame 25. The surface of the T-shaped rod 27 penetrates through the through hole opened inside the front end of the support frame 25. In order to further strengthen the use and support effect of the actuator body 1, during the tight installation process of the installation plate 23 and the fixing plate 21, at this time, pull the T-shaped strip 28 upwards to overcome the elasticity of the spring 26, then drive the insertion strip 29 upwards. After that, when the installation plate 23 and the fixing plate 21 are tightly clamped, release the T-shaped strip 28 and drive the insertion strip 29 to be clamped into the inside of the top end of the fixing plate 21 under the elastic force of the spring 26, so as to further strengthen the use and support effect of the actuator body 1.

[0029] Embodiment 2

[0030] Refer to Figures 1-4 and on the basis of Embodiment 1, further obtain that the adjustment mechanism 3 includes a positioning ring 31. The positioning ring 31 is rotatably connected to the bottom end of the actuator body 1. On the surface of the positioning ring 31, there is a connecting pipe 32 fixedly connected. The bottom end of the connecting pipe 32 is fixedly connected to a valve body 33. The top end of the connecting pipe 32 is rotatably connected to the bottom end of the actuator body 1. On the front of the valve body 33, there is a rotating wheel 34. At the bottom end of the actuator body 1, there is a T-shaped plate 35 fixedly connected. Inside the T-shaped plate 35, there is a second bolt 36 threadedly connected.

[0031] Furthermore, on the surface of the positioning ring 31, there are positioning threaded holes opened. The surface of the second bolt 36 is threadedly connected to the internal thread of the positioning threaded holes. After the positioning ring 31 rotates to a certain extent, at this time, use the second bolt 36 to tighten between the T-shaped plate 35 and the positioning ring 31, so as to adjust the use effect of the valve body 33, expand the use range of the valve body 33, and the operation of the rotating wheel 34 can have the effect of arbitrarily adjusting the opening degree of the valve body 33.

[0032] During the actual operation process, when this device is in use and the actuator body 1 is being used, during the installation of the actuator body 1, the inner part at the top of the mounting plate 23 is snapped onto the surface of the limiting rod 22. At this time, the first bolt 24 is used to tightly install the mounting plate 23 and the fixing plate 21. Additionally, in order to further enhance the support effect during the use of the actuator body 1, during the tight installation of the mounting plate 23 and the fixing plate 21, at this time, the T-shaped strip 28 is pulled upwards to overcome the elasticity of the spring 26, driving the insertion strip 29 upwards. After that, when the mounting plate 23 and the fixing plate 21 are tightly engaged, the T-shaped strip 28 is released and, under the elastic force of the spring 26, the insertion strip 29 is driven to snap into the inner part at the top of the fixing plate 21, thereby further enhancing the support effect during the use of the actuator body 1;

[0033] In addition, when the valve body 33 needs to be adjusted during use, at this time, the valve body 33 is rotated to a certain angle, which drives the positioning ring 31 to rotate. Then, when the positioning ring 31 rotates to a certain extent, at this time, the second bolt 36 is used to tighten the T-shaped plate 35 and the positioning ring 31, thereby enabling the adjustment effect of the valve body 33 to be achieved, expanding the usage range of the valve body 33, and the operation wheel 34 can achieve the effect of arbitrarily adjusting the opening degree of the valve body 33.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A pneumatic actuator with an adjustable valve opening, comprising an actuator body (1), characterized in that: The back of the actuator body (1) is fixedly connected to a mounting mechanism (2), the bottom of the actuator body (1) is provided with an adjustment mechanism (3), and the front of the actuator body (1) is fixedly connected to a sensor device (4); The mounting mechanism (2) comprises a mounting plate (23), the mounting plate (23) being fixedly connected to the back of the actuator body (1), a limiting rod (22) being arranged inside the top of the mounting plate (23), one end of the back of the limiting rod (22) being fixedly connected to a fixing plate (21), a first bolt (24) being threadedly connected inside the mounting plate (23), a support frame (25) being fixedly connected to the top of the mounting plate (23), a spring (26) being fixedly connected inside the support frame (25), a T-shaped rod (27) being fixedly connected to the bottom end of the spring (26), a T-shaped bar (28) being fixedly connected to the top of the T-shaped bar (27), and an inserting bar (29) being fixedly connected inside one end of the T-shaped bar (28).

2. The pneumatic actuator with arbitrarily adjustable valve opening according to claim 1, characterized in that: A socket is provided inside the top end of the mounting plate (23), and the surface of the limiting rod (22) matches the inside of the socket.

3. The pneumatic actuator with arbitrarily adjustable valve opening according to claim 1, characterized in that: Threaded holes are respectively provided inside the left and right ends of the fixing plate (21), and the surface of the first bolt (24) is threadedly connected to the inside of the threaded hole.

4. The pneumatic actuator with arbitrarily adjustable valve opening according to claim 1, characterized in that: A clamping hole is provided on the top of the fixing plate (21), and the surface of the inserting strip (29) matches the inside of the clamping hole.

5. The pneumatic actuator with arbitrarily adjustable valve opening according to claim 1, characterized in that: Through holes are respectively provided inside the front and rear ends of the support frame (25), the surface of the inserting strip (29) passes through the through hole provided inside the rear end of the support frame (25), and the surface of the T-shaped rod (27) passes through the through hole provided inside the front end of the support frame (25).

6. The pneumatic actuator with arbitrarily adjustable valve opening according to claim 1, characterized in that: The regulating mechanism (3) comprises a positioning ring (31), the positioning ring (31) being rotatably connected to the bottom end of the actuator body (1), a connecting pipe (32) being fixedly connected to the surface of the positioning ring (31), a valve body (33) being fixedly connected to the bottom end of the connecting pipe (32), a top end of the connecting pipe (32) being rotatably connected to the bottom end of the actuator body (1), a rotating wheel (34) being arranged on the front face of the valve body (33), a T-shaped plate (35) being fixedly connected to the bottom end of the actuator body (1), and a second bolt (36) being threadedly connected to the inside of the T-shaped plate (35).

7. The pneumatic actuator with arbitrarily adjustable valve opening according to claim 6, characterized in that: A positioning screw hole is provided on the surface of the positioning ring (31), and the surface of the second bolt (36) is connected to the inner thread of the positioning screw hole.

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