Pneumatic control equipment for pneumatic actuator

Abstract

The utility model provides pneumatic control equipment for a pneumatic actuator, which relates to the technical field of pneumatic actuators and comprises a shell mechanism, a control mechanism and a filter mechanism. The control mechanism comprises an airflow baffle, a through hole is formed in the airflow baffle in a penetrating mode, a valve element is clamped in the through hole, a rotating hole is formed in the valve element, a rotating block is rotationally connected into the rotating hole, a screw is fixedly installed at the top of the rotating block, and a fixing block is arranged on the outer surface wall of the screw in a sleeving mode. The fixing block is rotationally connected with a screw rod, and the top of the screw rod is fixedly connected with a valve head. The airflow baffle is fixedly installed in the shell, the through hole is formed in the airflow baffle in a penetrating mode, the valve element is clamped in the through hole, the airflow flux is controlled by adjusting the position, penetrating into the through hole, of the valve element, the design is simplified, and the corresponding speed of equipment is increased; therefore, the air pressure value of the pneumatic actuator can be controlled more accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic actuator technical field especially relates to a pneumatic actuator's air pressure control equipment. BACKGROUND

[0002] Pneumatic actuator is driven by air pressure to open and close or adjust the valve execution device, also be called pneumatic actuator or pneumatic device, but generally colloquial call it pneumatic head. Pneumatic actuator is sometimes equipped with certain auxiliary device. The commonly used valve positioner and hand wheel mechanism, some regulating valves in the regulating air pressure effect is not stable, thereby can influence the efficiency of starting actuator, therefore need to use air pressure control equipment.

[0003] In the prior art, the air pressure control equipment used by some pneumatic actuators has slow response speed: when the working condition changes, the response time of air pressure adjustment is long, which affects the real-time control performance of the system, and no corresponding mechanism is arranged to filter the air entering the equipment interior, and impurities and moisture carried in the air can damage the equipment. UTILITY MODEL CONTENT

[0004] The utility model mainly provides a response speed is fast, can filter the air pneumatic actuator's air pressure control equipment.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of pneumatic actuator's air pressure control equipment, comprising: shell mechanism, control mechanism and filter mechanism;The control mechanism includes airflow baffle, the inside of the airflow baffle is through and is provided with through-hole, the inside of the through-hole is clamped valve core, the inside of the valve core is provided with rotary hole, the inside of the rotary hole is rotatably connected with rotating block, the top of the rotating block is fixedly installed screw rod, the outer wall of the screw rod is fixedly sleeved with fixed block, the fixed block is rotatably connected with screw rod, and the top of the screw rod is fixedly connected with valve head.

[0006] Preferably, the filter mechanism includes filter tube, the inside of the filter tube is provided with insertion hole, the outer wall of the filter tube is fixedly sleeved with connecting ring, and the inside of the filter tube is inserted with filter core.

[0007] Preferably, one end of the filter core is fixedly installed with limiting block, the limiting block is clamped with insertion hole, and the outer wall of the limiting block is fixedly sleeved with sealing ring.

[0008] Preferably, the shell mechanism includes mounting base plate, the inside of the mounting base plate is inserted with bolt, the bolt is threadedly connected with mounting base plate, and the top of the mounting base plate is fixedly installed with shell.

[0009] Preferably, the inside of the shell is through and is provided with screw groove, and the outer wall of the shell is fixedly installed with safety valve.

[0010] Preferably, one end of the shell is fixedly connected with a connecting pipe, and an outer wall of the shell is fixedly provided with a pressure sensor and a display instrument.

[0011] Preferably, the airflow baffle is fixedly installed in the interior of the shell, the fixed block is fixedly installed on the outer wall of the shell, and the filter pipe is fixedly connected with one end of the shell.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1. In the utility model, the airflow baffle is fixedly installed in the interior of the shell, the through hole is penetrated in the interior of the airflow baffle, the valve core is clamped in the interior of the through hole, the position of the valve core in the through hole is adjusted, the air flow is controlled, the design is simple, the corresponding speed of the equipment is improved, and the air pressure value of the pneumatic actuator is more accurately controlled.

[0014] 2. In the utility model, the filter core is inserted in the interior of the filter pipe, the limiting block is fixedly installed at one end of the filter core, the limiting block is clamped with the insertion hole, the filter core is fixed, the filter core is used for filtering the impurities and moisture in the gas, and the subsequent components are prevented from being polluted and damaged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of a pneumatic pressure control equipment for a pneumatic actuator is provided for the utility model;

[0016] Figure 2 A three-dimensional structure schematic view of a shell mechanism in the pneumatic pressure control equipment for the pneumatic actuator is provided for the utility model;

[0017] Figure 3 A three-dimensional structure split drawing of a control mechanism in the pneumatic pressure control equipment for the pneumatic actuator is provided for the utility model;

[0018] Figure 4 A three-dimensional structure split drawing of a filtering mechanism in the pneumatic pressure control equipment for the pneumatic actuator is provided for the utility model.

[0019] Legend: 1, shell mechanism; 101, mounting bottom plate; 102, bolt; 103, shell; 104, thread groove; 105, safety valve; 106, connecting pipe; 107, pressure sensor; 108, display instrument; 2, control mechanism; 201, airflow baffle; 202, through hole; 203, valve core; 204, rotating hole; 205, rotating block; 206, screw rod; 207, fixed block; 208, valve head; 3, filtering mechanism; 301, filter pipe; 302, insertion hole; 303, connecting ring; 304, filter core; 305, limiting block; 306, sealing ring. DETAILED DESCRIPTION

[0020] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can be practiced in different ways from those described herein, and therefore the present application is not limited to the specific embodiments disclosed in the following description.

[0022] Please refer to Figures 1-4 The present application provides a technical scheme: a pneumatic actuator pressure control device, comprising: a shell mechanism 1, a control mechanism 2 and a filter mechanism 3; the control mechanism 2 comprises an airflow baffle 201, a through hole 202 is provided in the airflow baffle 201, a valve core 203 is connected in the through hole 202, a rotating hole 204 is provided in the valve core 203, a rotating block 205 is connected in the rotating hole 204, a screw rod 206 is fixedly installed on the top of the rotating block 205, a fixed block 207 is sleeved on the outer wall of the screw rod 206, the fixed block 207 is rotatably connected with the screw rod 206, and a valve head 208 is fixedly connected with the top of the screw rod 206; the airflow baffle 201 is fixedly installed in the shell 103, the through hole 202 is provided in the airflow baffle 201, the valve core 203 is connected in the through hole 202, the position of the valve core 203 in the through hole 202 is adjusted to control the airflow flux, the rotating hole 204 is provided in the valve core 203, the rotating block 205 is connected in the rotating hole 204, the screw rod 206 is fixedly installed on the top of the rotating block 205, the fixed block 207 is fixedly installed on the outer wall of the shell 103, the screw rod 206 is inserted into the screw groove 104 and the fixed block 207, the screw rod 206 is threadedly connected with the shell 103 and the fixed block 207, the valve head 208 is fixedly connected with the top of the screw rod 206, the screw rod 206 is threadedly connected with the shell 103 and the fixed block 207 by rotating the valve head 208, so that the rotating block 205 rotates in the rotating hole 204, the position of the valve core 203 is adjusted, and the airflow passing through the through hole 202 is controlled.

[0023] As Figure 4 shown, the filter mechanism 3 comprises a filter pipe 301, a plug hole 302 is provided in the filter pipe 301, a connecting ring 303 is fixedly sleeved on the outer wall of the filter pipe 301, and a filter core 304 is inserted into the filter pipe 301; the filter core 304 is inserted into the filter pipe 301 to filter impurities and moisture in the gas, so as to prevent pollution and damage to subsequent components.

[0024] As Figure 4As shown, one end of the filter core 304 is fixedly installed with a limiting block 305, the limiting block 305 is clamped with the socket 302, and the outer wall of the limiting block 305 is fixedly sleeved with a sealing ring 306; by clamping the limiting block 305 with the socket 302, the filter core 304 is fixed, and then the sealing ring 306 is fixedly sleeved on the outer wall of the limiting block 305, so that the sealing connection part is sealed to prevent gas leakage.

[0025] As shown in the figure, Figure 2 As shown, the shell mechanism 1 comprises a mounting bottom plate 101, a bolt 102 is inserted through the inside of the mounting bottom plate 101, the bolt 102 is threadedly connected with the mounting bottom plate 101, and an outer shell 103 is fixedly installed on the top of the mounting bottom plate 101; by fixedly connecting the mounting bottom plate 101 on the bottom of the outer shell 103, inserting the bolt 102 through the inside of the mounting bottom plate 101, and threadedly connecting the bolt 102 with the mounting bottom plate 101, the device is fixedly installed.

[0026] As shown in the figure, Figure 2 As shown, a threaded groove 104 is formed through the inside of the outer shell 103, and a safety valve 105 is fixedly installed on the outer wall of the outer shell 103; by fixedly connecting the safety valve 105 on the outer wall of the outer shell 103, when the pressure exceeds the set value, the gas is automatically released to ensure the safety of the system.

[0027] As shown in the figure, Figure 2 As shown, a connecting pipe 106 is fixedly connected at one end of the outer shell 103, and a pressure sensor 107 and a display instrument 108 are fixedly arranged on the outer wall of the outer shell 103; by fixedly connecting the connecting pipe 106 at one end of the outer shell 103, the device is fixedly connected with the access end of the pneumatic actuator, so as to control the air pressure of the pneumatic actuator, and then the pressure sensor 107 and the display instrument 108 are fixedly arranged on the outer wall of the outer shell 103, so as to detect the air pressure value inside the outer shell 103, and the detected value is obtained by the display instrument 108.

[0028] As shown in the figure, Figures 1-4 As shown, the airflow baffle 201 is fixedly installed in the inside of the outer shell 103, the fixed block 207 is fixedly installed on the outer wall of the outer shell 103, and the filter pipe 301 is fixedly connected with one end of the outer shell 103; by fixedly installing the airflow baffle 201 in the inside of the outer shell 103, the air flow is controlled, so as to control the air pressure, and then the filter pipe 301 is fixedly connected with one end of the outer shell 103, and the filter core 304 arranged in the inside of the filter pipe 301 is used to filter the entering air.

[0029] The method for using the device and the working principle are as follows: firstly, the bottom plate 101 is fixedly connected to the bottom of the shell 103, the bolt 102 is inserted through the inside of the installation bottom plate 101, the bolt 102 is threadedly connected with the installation bottom plate 101, the device is fixedly installed, the threaded groove 104 is formed through the inside of the shell 103, the safety valve 105 is fixedly connected to the outer wall of the shell 103, when the pressure exceeds the set value, the safety valve 105 automatically releases the gas to ensure the safety of the system, the connecting pipe 106 is fixedly connected to one end of the shell 103, the device is fixedly connected with the access end of the pneumatic actuator, so that the air pressure of the pneumatic actuator is controlled; secondly, the pressure sensor 107 and the display instrument 108 are fixedly arranged on the outer wall of the shell 103, the pressure value in the shell 103 is detected, the detected value is obtained by the display instrument 108, the airflow baffle 201 is fixedly installed in the inside of the shell 103, the through hole 202 is formed through the inside of the airflow baffle 201, the valve core 203 is clamped in the inside of the through hole 202, the position of the valve core 203 in the through hole 202 is adjusted, the airflow flux is controlled, the rotating hole 204 is formed in the inside of the valve core 203, the rotating block 205 is rotatably connected in the inside of the rotating hole 204, the screw rod 206 is fixedly installed on the top of the rotating block 205, the fixed block 207 is fixedly installed on the outer wall of the shell 103, the screw rod 206 is inserted into the inside of the threaded groove 104 and the fixed block 207, the screw rod 206 is threadedly connected with the shell 103 and the fixed block 207, the valve head 208 is fixedly connected to the top of the screw rod 206, the screw rod 206 is threadedly connected with the shell 103 and the fixed block 207 by rotating the valve head 208, so that the rotating block 205 rotates in the inside of the rotating hole 204, the position of the valve core 203 is adjusted, so that the air quantity passing through the through hole 202 is controlled; finally, the filter pipe 301 is fixedly connected to one end of the shell 103, the insertion hole 302 is formed in the inside of the filter pipe 301, the connecting ring 303 is fixedly sleeved on the outer wall of the filter pipe 301, so that the external gas source is connected, the equipment is supplied with gas, the filter core 304 is inserted into the inside of the filter pipe 301, the limiting block 305 is fixedly installed on one end of the filter core 304, the limiting block 305 is clamped with the insertion hole 302, so that the filter core 304 is fixed, the filter core 304 is used for filtering the impurities and moisture in the gas, so as to prevent the pollution and damage of the subsequent components, and the sealing ring 306 is fixedly sleeved on the outer wall of the limiting block 305, so as to seal the connection part and prevent the gas leakage.

[0030] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A pneumatic pressure control device for a pneumatic actuator, characterized by comprising: Include: The shell mechanism (1), control mechanism (2) and filter mechanism (3); The control mechanism (2) includes airflow baffle (201), the inside of airflow baffle (201) is provided with through hole (202), the inside of through hole (202) is clamped with valve core (203), the inside of valve core (203) is provided with rotating hole (204), the inside of rotating hole (204) is rotatably connected with rotating block (205), the top of rotating block (205) is fixedly installed with screw rod (206), the outer wall of screw rod (206) is sleeved with fixed block (207), fixed block (207) is rotatably connected with screw rod (206), the top of screw rod (206) is fixedly connected with valve head (208).

2. The air pressure control device for a pneumatic actuator according to claim 1, characterized by: The filter mechanism (3) includes filter tube (301), the inside of filter tube (301) is provided with insertion hole (302), the outer wall of filter tube (301) is fixedly sleeved with connecting ring (303), the inside of filter tube (301) is inserted with filter core (304).

3. A pneumatic control device for a pneumatic actuator according to claim 2, characterized in that: One end of filter core (304) is fixedly installed with limit block (305), limit block (305) is clamped with insertion hole (302), the outer wall of limit block (305) is fixedly sleeved with sealing ring (306).

4. The air pressure control device for a pneumatic actuator according to claim 2, characterized by: The shell mechanism (1) includes installation bottom plate (101), the inside of installation bottom plate (101) is inserted with bolt (102), bolt (102) is threadedly connected with installation bottom plate (101), the top of installation bottom plate (101) is fixedly installed with shell (103).

5. The air pressure control device for a pneumatic actuator according to claim 4, characterized by: The inside of shell (103) is provided with threaded groove (104), the outer wall of shell (103) is fixedly installed with safety valve (105).

6. The air pressure control device for a pneumatic actuator according to claim 4, characterized by: One end of shell (103) is fixedly communicated with connecting pipe (106), the outer wall of shell (103) is fixedly provided with pressure sensor (107) and display instrument (108).

7. The air pressure control device for a pneumatic actuator according to claim 4, characterized by: Airflow baffle (201) is fixedly installed in the inside of shell (103), fixed block (207) is fixedly installed on the outer wall of shell (103), filter tube (301) is fixedly communicated with one end of shell (103).

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