Filtering pressure reducing valve for air source of pneumatic actuator

Abstract

The utility model provides a filtering pressure reducing valve for an air source of a pneumatic actuator, which relates to the technical field of pneumatic actuators and comprises a main body mechanism, a filtering mechanism and a connecting mechanism, the filtering mechanism comprises a filtering cylinder, the outer surface wall of the filtering cylinder is fixedly sleeved with a limiting block, the outer surface wall of the limiting block is fixedly sleeved with a first sealing rubber ring, a clamping groove is formed in the filtering cylinder, a filtering plate is arranged in the filtering cylinder, and collecting baffles are fixedly arranged on the inner wall of the filtering cylinder and one side of the filtering plate. And a leakage hole is formed in the top of the collecting baffle in a penetrating manner. According to the pressure reducing valve, the filtering mechanism is inserted into the pressure reducing valve body, impurities with different granularities are filtered through the filtering plate and the filtering cylinder respectively, the impurities which cannot pass slide into the leaking holes from the surfaces of the filtering plate and the filtering cylinder, and the problems that due to the influence of airflow, accumulation is formed on one side of the filtering plate or the filtering cylinder, the through holes are blocked, and air circulation is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic actuator technical field especially relates to a filter pressure reducing valve for the gas source of pneumatic actuator. BACKGROUND

[0002] Pneumatic actuator is driven to open or adjust the valve of the execution device with gas pressure, also be called pneumatic actuator or pneumatic device, but generally colloquial call it pneumatic head. Pneumatic actuator sometimes also be equipped with certain auxiliary device. The commonly used have valve positioner and hand wheel mechanism. Pressure reducing valve is the important part of the input gas source of pneumatic actuator, and it is reduced to the gas source, generally when using, need to install an additional filter, filter gas, reduce the damage to internal parts to a certain extent.

[0003] In the prior art, the filter pressure reducing valve used by the pneumatic actuator has the problem of limited filtering effect, which may not effectively remove small particles and impurities, resulting in damage to subsequent components. Moreover, the filtering component is prone to blockage: the filter part is easily blocked by impurities, requiring frequent maintenance and replacement of filter cartridges. SUMMARY

[0004] The utility model mainly provides a kind of filter pressure reducing valve for the gas source of pneumatic actuator, which improves filtering quality and reduces impurities blocking the filter.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a filter pressure reducing valve for the gas source of a pneumatic actuator, comprising: a main body mechanism, a filtering mechanism and a connecting mechanism; the filtering mechanism includes a filter cartridge, a limiting block is fixedly sleeved on the outer surface wall of the filter cartridge, a first sealing rubber ring is fixedly sleeved on the outer surface wall of the limiting block, a clamping groove is formed in the interior of the filter cartridge, a filter plate is arranged in the interior of the filter cartridge, a collecting baffle is fixedly arranged on one side of the filter plate and the inner wall of the filter cartridge, a leakage hole is formed in the top of the collecting baffle, a clamping block is fixedly installed on one side of the filter plate, the clamping block is clamped with the clamping groove, a through hole is formed in the interior of the filter plate and the filter cartridge, and the hole diameter of the through hole formed in the interior of the filter plate is larger than the hole diameter formed in the interior of the filter cartridge.

[0006] Preferably, the main body mechanism includes a mounting base, a mounting bolt is inserted through the interior of the mounting base, and the mounting bolt is threadedly connected with the mounting base.

[0007] Preferably, a pressure reducing valve body is fixedly installed on the top of the mounting base, and one end of the pressure reducing valve body is fixedly connected with a gas outlet pipe.

[0008] Preferably, a first fixing ring is fixedly sleeved on the outer surface wall of the pressure reducing valve body, a threaded hole is formed in the interior of the first fixing ring, and a first insertion hole is formed in the interior of the pressure reducing valve body.

[0009] Preferably, the connecting mechanism comprises a connecting pipe, one end of the connecting pipe is fixedly connected with the air inlet pipe, an outer wall of the connecting pipe is fixedly sleeved with a second fixing ring, and the second fixing ring is penetrated and arranged with a connecting bolt.

[0010] Preferably, the connecting bolt is threadedly connected with the second fixing ring, a second insertion hole is formed in the connecting pipe, and a second sealing rubber ring is fixedly arranged in the second insertion hole.

[0011] Preferably, the filtering mechanism is inserted into the interior of the pressure reducing valve body, the limiting block is clamped with the first insertion hole, the connecting pipe is sleeved with the outer wall of the pressure reducing valve body, the connecting bolt is inserted into the threaded hole, and the connecting bolt is threadedly connected with the first fixing ring.

[0012] Compared with the prior art, the filter pressure reducing valve for the gas source of the pneumatic actuator has the advantages and positive effects that,

[0013] 1、In the utility model, the filtering mechanism is inserted into the interior of the pressure reducing valve body, different particle size impurities are filtered by the filter plate and the filter cartridge respectively, the impurities that cannot pass through slide on the surface of the filter plate and the filter cartridge and fall into the inside of the leakage hole, the problem that the impurities are accumulated on one side of the filter plate or the filter cartridge due to the influence of the airflow and cause the through hole to be blocked and the gas circulation to be affected is avoided.

[0014] 2、In the utility model, the through holes of different sizes are formed in the filter plate and the filter cartridge, different size impurities are filtered and collected, the quality of the impurity filtering is improved, the situation that the small impurities cannot be filtered and the subsequent components are damaged is avoided. DRAWINGS

[0015] Figure 1 A perspective view of a filter pressure reducing valve for a gas source of a pneumatic actuator is provided for the utility model;

[0016] Figure 2 A perspective view of a main body mechanism in a filter pressure reducing valve for a gas source of a pneumatic actuator is provided for the utility model;

[0017] Figure 3 A split view of a filtering mechanism in a filter pressure reducing valve for a gas source of a pneumatic actuator is provided for the utility model;

[0018] Figure 4 A split view of a connecting mechanism in a filter pressure reducing valve for a gas source of a pneumatic actuator is provided for the utility model.

[0019] Legend: 1, main mechanism; 101, mounting base; 102, mounting bolt; 103, pressure reducing valve body; 104, gas outlet pipe; 105, first fixed ring; 106, threaded hole; 107, first insertion hole; 2, filtering mechanism; 201, filter cartridge; 202, limiting block; 203, first sealing rubber ring; 204, clamping groove; 205, filter plate; 206, collection baffle; 207, leakage hole; 208, clamping block; 209, through hole; 3, connecting mechanism; 301, connecting pipe; 302, air inlet pipe; 303, second fixed ring; 304, connecting bolt; 305, second insertion hole; 306, second sealing rubber ring. DETAILED DESCRIPTION

[0020] In order to enable the above-mentioned purpose, 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 also be practiced without the specific details, which are different from the description, and therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0022] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a filter pressure reducing valve for the gas source of pneumatic actuator, it include: main body mechanism 1, filter mechanism 2 and connecting mechanism 3;Filter mechanism 2 includes filter cartridge 201, the outer surface wall of filter cartridge 201 is fixedly equipped with limit block 202, the outer surface wall of limit block 202 is fixedly equipped with first sealing rubber ring 203, the inside of filter cartridge 201 is equipped with clamping groove 204, filter plate 205 is arranged in the inside of filter cartridge 201, the inside of filter cartridge 201 and the one side of filter plate 205 are fixedly arranged collection baffle 206, the top of collection baffle 206 is equipped with perforated leakage hole 207, the one side of filter plate 205 is fixedly installed clamping block 208, clamping block 208 is connected with clamping groove 204, the inside of filter plate 205 and filter cartridge 201 is equipped with perforated through hole 209, the aperture of through hole 209 opened in the inside of filter plate 205 is greater than the aperture opened in the inside of filter cartridge 201;By inserting filter cartridge 201 in the inside of pressure reducing valve body 103, limit block 202 is fixedly installed on the outer surface wall of filter cartridge 201, first sealing rubber ring 203 is fixedly equipped on the outer surface wall of limit block 202, limit block 202 is connected with first insertion hole 107, to facilitate the fixation of filter cartridge 201, the sealing property of connecting part is strengthened by first sealing rubber ring 203, to avoid gas leakage, so as to affect the effect of pressure reducing valve on pneumatic actuator;Clamping groove 204 is opened in the inside of filter cartridge 201, filter plate 205 is arranged in the inside of filter cartridge 201, collection baffle 206 is arranged on the one side of filter plate 205 and filter cartridge 201, perforated leakage hole 207 is equipped on the top of collection baffle 206, clamping block 208 is fixedly installed on the one side of filter plate 205, clamping block 208 is connected with clamping groove 204, to facilitate the fixation of filter plate 205, the inside of filter plate 205 and filter cartridge 201 is equipped with perforated through hole 209, the aperture of through hole 209 opened in the inside of filter plate 205 is greater than the aperture opened in the inside of filter cartridge 201, to facilitate the filtration of different particle size impurities respectively, the impurities that cannot pass are slid to the inside of leakage hole 207 from the outer surface wall of filter cartridge 201 and filter plate 205, to collect impurities, avoid that gas enters in later period always and impurities are accumulated on the one side of filter plate 205 or filter cartridge 201, so as to cause the condition of filter hole blockage.

[0023] As Figure 2 Shown, main body mechanism 1 includes installation base 101, installation bolt 102 is inserted through in the inside of installation base 101, and installation bolt 102 is threadedly connected with installation base 101;By setting installation base 101, installation bolt 102 is inserted through in the inside of installation base 101, to facilitate the fixation of pressure reducing valve body 103 using installation bolt 102.

[0024] As Figure 2As shown, a pressure reducing valve body 103 is fixedly installed on the top of the mounting base 101, and one end of the pressure reducing valve body 103 is fixedly connected to the air outlet pipe 104. By fixing the air outlet pipe 104 to one end of the pressure reducing valve body 103, the air outlet pipe 104 is fixedly connected to the access end of the pneumatic actuator, which facilitates the delivery of compressed gas into the interior of the pneumatic actuator.

[0025] like Figure 2 As shown, a first fixing ring 105 is fixedly sleeved on the outer wall of the pressure reducing valve body 103, and a threaded hole 106 is opened inside the first fixing ring 105. A first insertion hole 107 is opened inside the pressure reducing valve body 103. By fixing the first fixing ring 105 on the outer wall of the pressure reducing valve body 103 and opening a threaded hole 106 inside the first fixing ring 105, it is convenient to connect with the connecting mechanism 3, thereby achieving the integrity of the device.

[0026] like Figure 4 As shown, the connecting mechanism 3 includes a connecting pipe 301, one end of which is fixedly connected to an air inlet pipe 302. A second fixing ring 303 is fixedly sleeved on the outer wall of the connecting pipe 301, and a connecting bolt 304 is inserted through the inside of the second fixing ring 303. By sleeved on the outer wall of the pressure reducing valve body 103 and fixedly connected to the air inlet pipe 302 at one end of the connecting pipe 301, gas can be introduced to control the gas. When the pressure value is adjusted to a suitable value, the gas is introduced into the pneumatic actuator. The second fixing ring 303 is fixedly sleeved on the outer wall of the connecting pipe 301, and a connecting bolt 304 is inserted through the inside of the second fixing ring 303. The connecting bolt 304 is inserted into the threaded hole 106 and threadedly connected to the first fixing ring 105 and the second fixing ring 303, thus fixing the connecting pipe 301 to one side of the pressure reducing valve body 103.

[0027] like Figure 4 As shown, the connecting bolt 304 is threadedly connected to the second fixing ring 303. A second insertion hole 305 is opened inside the connecting pipe 301, and a second sealing ring 306 is fixedly installed inside the second insertion hole 305. By opening a second insertion hole 305 inside the connecting pipe 301 and fixing a second sealing ring 306 inside the second insertion hole 305, the sealing performance of the connection part is improved when the connecting pipe 301 is connected to the pressure reducing valve body 103, so as to avoid gas leakage and affect the normal use function of the pressure reducing valve body 103.

[0028] like Figures 1-4As shown, the filter mechanism 2 is inserted in the interior of the pressure reducing valve body 103, the limiting block 202 is clamped with the first insertion hole 107, the connecting pipe 301 is sleeved on the outer wall of the pressure reducing valve body 103, the connecting bolt 304 is inserted in the interior of the threaded hole 106, and the connecting bolt 304 is screwed with the first fixed ring 105; by arranging the filter mechanism 2 in the interior of the pressure reducing valve body 103, the gas entering the interior of the pressure reducing valve body 103 can be filtered, and the elements in the interior of the pressure reducing valve body 103 are prevented from being damaged, and then the connecting bolt 304 is screwed with the first fixed ring 105 and the second fixed ring 303, so that the connecting pipe 301 is fixedly installed on one end of the pressure reducing valve body 103, and the integrity of the device is realized.

[0029] The working principle and method of using the device: when the device is used, first, the bottom of the pressure reducing valve body 103 is fixedly connected with the installation base 101, the installation bolt 102 is inserted in the installation base 101, the installation bolt 102 is screwed with the installation base 101, the pressure reducing valve body 103 is fixedly connected with the gas outlet pipe 104, the first fixed ring 105 is fixedly connected with the outer wall of the pressure reducing valve body 103, the threaded hole 106 is formed in the first fixed ring 105, the first insertion hole 107 is formed in the pressure reducing valve body 103, the filter cartridge 201 is inserted in the pressure reducing valve body 103, the limiting block 202 is fixedly installed on the outer wall of the filter cartridge 201, the first sealing rubber ring 203 is fixedly installed on the outer wall of the limiting block 202, the limiting block 202 is clamped with the first insertion hole 107, the filter cartridge 201 is fixed, the first sealing rubber ring 203 is used to strengthen the sealing of the connection part, so that the gas leakage is avoided, and the effect of the pressure reducing valve on the pneumatic actuator is affected; secondly, the clamping groove 204 is formed in the filter cartridge 201, the filter plate 205 is arranged in the filter cartridge 201, the collecting baffle 206 is arranged on one side of the filter plate 205 and the filter cartridge 201, the leakage hole 207 is formed in the top of the collecting baffle 206, the clamping block 208 is fixedly installed on one side of the filter plate 205, the clamping block 208 is clamped with the clamping groove 204, the filter plate 205 is fixed, the through hole 209 is formed in the filter plate 205 and the filter cartridge 201, the diameter of the through hole 209 formed in the filter plate 205 is larger than the diameter of the through hole formed in the filter cartridge 201, different particle impurities can be filtered, the impurities that cannot pass through fall to the inside of the leakage hole 207 from the outer wall of the filter cartridge 201 and the filter plate 205, the impurities are collected, the impurities are accumulated on one side of the filter plate 205 or the filter cartridge 201 in the later stage, so that the filter hole is blocked; finally, the connecting pipe 301 is sleeved on the outer wall of the pressure reducing valve body 103, the gas inlet pipe 302 is fixedly connected with one end of the connecting pipe 301, the gas is introduced, the gas is controlled, the pneumatic actuator is introduced into the inside when the pressure value is adjusted to the appropriate value, the second fixed ring 303 is fixedly sleeved on the outer wall of the connecting pipe 301, the connecting bolt 304 is inserted in the threaded hole 106, the connecting bolt 304 is screwed with the first fixed ring 105 and the second fixed ring 303, the connecting pipe 301 is fixed on one side of the pressure reducing valve body 103, the second insertion hole 305 is formed in the connecting pipe 301, the second sealing rubber ring 306 is fixedly arranged in the second insertion hole 305, when the connecting pipe 301 is connected with the pressure reducing valve body 103, the sealing of the connection part is improved, the gas leakage is avoided, and the normal use function of the pressure reducing valve body 103 is affected.

[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 filtered pressure reducing valve for a gas supply of a pneumatic actuator, characterized in that Include: Main body mechanism (1), filter mechanism (2) and connecting mechanism (3); The filter mechanism (2) comprises a filter cartridge (201), the outer wall of the filter cartridge (201) is fixedly sleeved with a limiting block (202), the outer wall of the limiting block (202) is fixedly sleeved with a first sealing rubber ring (203), the inside of the filter cartridge (201) is provided with a clamping groove (204), the inside of the filter cartridge (201) is provided with a filter plate (205), the inner wall of the filter cartridge (201) and one side of the filter plate (205) are both fixedly provided with a collecting baffle (206), the top of the collecting baffle (206) is provided with a leakage hole (207), one side of the filter plate (205) is fixedly installed with a clamping block (208), the clamping block (208) is clamped with the clamping groove (204), the inside of the filter plate (205) and the filter cartridge (201) are both provided with a through hole (209), the aperture of the through hole (209) provided in the inside of the filter plate (205) is larger than the aperture provided in the inside of the filter cartridge (201).

2. A filtered pressure reducing valve for a gas supply to a pneumatic actuator according to claim 1 characterised in that: The main body mechanism (1) comprises a mounting base (101), the inside of the mounting base (101) is provided with a mounting bolt (102) inserted through, and the mounting bolt (102) is in threaded connection with the mounting base (101).

3. A filtered pressure reducing valve for a gas supply to a pneumatic actuator according to claim 2, characterised in that: The top of the mounting base (101) is fixedly installed with a pressure reducing valve body (103), one end of the pressure reducing valve body (103) is fixedly communicated with an air outlet pipe (104).

4. A filtered pressure reducing valve for a gas supply to a pneumatic actuator according to claim 3, characterised in that: The outer wall of the pressure reducing valve body (103) is fixedly sleeved with a first fixing ring (105), the inside of the first fixing ring (105) is provided with a threaded hole (106), and the inside of the pressure reducing valve body (103) is provided with a first insertion hole (107).

5. A filtered pressure reducing valve for a gas supply to a pneumatic actuator according to claim 4, characterised in that: The connecting mechanism (3) comprises a connecting pipe (301), one end of the connecting pipe (301) is fixedly connected with an air inlet pipe (302), the outer wall of the connecting pipe (301) is fixedly sleeved with a second fixing ring (303), and the inside of the second fixing ring (303) is inserted through and provided with a connecting bolt (304).

6. A filtered pressure reducing valve for a gas supply to a pneumatic actuator according to claim 5, characterised in that: The connecting bolt (304) is in threaded connection with the second fixing ring (303), the inside of the connecting pipe (301) is provided with a second insertion hole (305), and the inside of the second insertion hole (305) is fixedly provided with a second sealing rubber ring (306).

7. A filtered pressure reducing valve for a gas supply to a pneumatic actuator according to claim 6, characterised in that: The filter mechanism (2) is inserted into the inside of the pressure reducing valve body (103), the limiting block (202) is clamped with the first insertion hole (107), the connecting pipe (301) is sleeved on the outer wall of the pressure reducing valve body (103), the connecting bolt (304) is inserted into the inside of the threaded hole (106), and the connecting bolt (304) is in threaded connection with the first fixing ring (105).

Images