CN221034053U

CN221034053U - Pneumatic ball valve

Info

Publication number: CN221034053U
Application number: CN202322324636.9U
Authority: CN
Inventors: 金建淼; 方碧武; 金建武
Original assignee: Shanghai Samusen Valve Co ltd
Current assignee: Shanghai Samusen Valve Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-05-28
Anticipated expiration: 2033-08-28

Abstract

The pneumatic ball valve comprises a ball valve body, wherein the ball valve body comprises a valve seat, a ball core, a feed inlet and a discharge outlet, the ball core is arranged on the valve seat, and a valve rod is arranged on the ball core; the actuating mechanism comprises a pneumatic actuator, a pressure reducing valve, an electromagnetic valve and a limit switch, wherein the pressure reducing valve, the electromagnetic valve and the limit switch are detachably fixed on the pneumatic actuator; the filtering mechanism comprises a drain pipe and a filtering component, the drain pipe and the filtering component are sequentially arranged at the feed inlet, the drain pipe comprises a drain channel, a first cover plate, a second cover plate, a piston and a sliding switch, a sliding rail is arranged on the first cover plate, a wheel shaft is arranged in the sliding rail, the wheel shaft is connected with the piston through a connecting rod, the piston is connected with the sliding switch, the first cover plate and the piston are linked to be opened and closed through moving the sliding switch, the filtering component comprises a filter screen and a semicircular clamping ring, and the filter screen is matched with the semicircular clamping ring in a clamping manner. The utility model can filter the impurities in the medium, and can remove the impurities more conveniently and rapidly.

Description

Pneumatic ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to a pneumatic ball valve.

Background

The pneumatic ball valve is formed by combining the pneumatic actuator and the ball valves, replaces manual operation, saves a large amount of manpower and material resources, can control a plurality of ball valves simultaneously, and the actuator of the pneumatic ball valve works to drive the valve body to be opened and closed rapidly, so that the effect of cutting off in seconds can be achieved, and the rapid opening and closing speed is 0.05 seconds/time.

In the prior art, the medium is a pneumatic ball valve of acetic acid, which contains residues of other organic compounds, impurity ions and residual catalysts, and is easy to wear sealing surfaces and block channels, and inconvenient to assemble and disassemble, and the practical service life of the valve can be influenced due to untimely cleaning.

Disclosure of utility model

The utility model aims to overcome the defects and the shortcomings of the prior art and provides a pneumatic ball valve.

The technical scheme adopted by the utility model is as follows: the pneumatic ball valve comprises a ball valve body, wherein the ball valve body comprises a valve seat, a ball core, a feed inlet and a discharge outlet, the ball core is arranged on the valve seat, and a valve rod is arranged on the ball core; the actuating mechanism comprises a pneumatic actuator, a pressure reducing valve, an electromagnetic valve and a limit switch, wherein the pressure reducing valve, the electromagnetic valve and the limit switch are detachably fixed on the pneumatic actuator; the filter mechanism comprises a drain pipe and a filter assembly, wherein the drain pipe and the filter assembly are sequentially arranged at a feed inlet, the drain pipe comprises a drain channel, a first cover plate, a second cover plate, a piston and a sliding switch, a sliding rail is arranged on the first cover plate, an axle is arranged in the sliding rail, the axle is connected with the piston through a connecting rod, the piston is connected with the sliding switch, the first cover plate and the piston are linked to be opened and closed through a movable sliding switch, the filter assembly comprises a filter screen and a semicircular clamping ring, and the filter screen is matched with the semicircular clamping ring in a clamping manner.

By adopting the technical scheme, the accurate control of the valve is realized by arranging the pneumatic actuator, the pressure reducing valve, the electromagnetic valve and the actuating mechanism of the limit switch, so that the opening and closing actions are more accurate and reliable. And a drain pipe and a filter assembly are arranged in the filter mechanism, and the filtration and the removal of impurities and dirt in the valve flow are realized through the linkage operation of the drain channel, the first cover plate, the second cover plate, the piston and the sliding switch, so that the cleaning of the fluid and the normal operation of the valve are ensured.

The utility model further provides that the feeding port is provided with the mounting groove, semicircular sealing rings are arranged on two sides of the mounting groove, and the filter component is detachably arranged on the mounting groove and is in sealing fit with the semicircular sealing rings.

Through adopting above-mentioned technical scheme, through design mounting groove and sealing washer for filter assembly can be convenient install and dismantle, the inconvenience of traditional ball valve when the filter assembly is lifted off in the equipment has been solved, and the efficiency of installation has been improved. The semicircular sealing ring can be tightly matched with the filtering component, so that air leakage or liquid leakage is prevented in the valve operation process, and the sealing performance is greatly improved.

The utility model is further characterized in that the sewage disposal channel is provided with a limiting block, a groove and a magnet, and the second cover plate and the sewage disposal channel are closed by magnetic attraction.

Through adopting above-mentioned technical scheme, prevent through the stopper that the first apron from excessively buckling when sliding switch closes and stretching, influence the medium velocity of flow, the design that recess and magnetism are inhaled makes and opens the second apron and make whole blowdown operation can be more smooth and easy and quick, improves operating efficiency.

The utility model is further characterized in that a second sealing gasket is arranged on the piston, and the sewage disposal channel comprises a bulge matched with the second sealing gasket and a limit column matched with the piston in a blocking way.

Through adopting above-mentioned technical scheme, through setting up the second on the piston and sealing, can increase sealing layer time, improve the sealing performance of valve to effectively prevent leakage and the leakage of medium, and the second is sealed fills up and can help reducing sealing member wearing and tearing, increase of service life improves the reliability and the durability of ball valve. Through protruding in the blowdown passageway and with piston stop complex spacing post, can realize the accurate positioning of piston, ensure the switching accuracy and the stability of valve.

The utility model further provides that the sliding switch comprises a key cap and a sliding connection block, wherein the inner wall of the sewage draining pipe is provided with a sliding groove, and the sliding connection block is arranged in the sliding groove.

Through adopting above-mentioned technical scheme, through slide switch's design, make blowdown operation more convenient, swift, improve operating efficiency, slide connection block's being located inside the spout has improved whole slide switch's structural stability to increased the reliability of equipment, and can reduce the friction between slide connection block and the blow off pipe inner wall, avoid wearing and tearing or the damage because of long-term friction leads to.

The utility model further provides that the ball core is clamped and rotated with the valve rod, and the lower end of the valve rod is provided with an electrostatic spring.

Through adopting above-mentioned technical scheme, ball core and valve rod joint are convenient to be dismantled, and the production of static can be reduced to the static spring.

The ball valve body comprises a left valve body and a right valve body, and the left valve body and the right valve body are connected through bolts.

Through adopting above-mentioned technical scheme, adopt bolted connection's mode, make more durable, shock resistance is stronger, dismantles between the ball valve body spare part, change and clear up more convenient, swift, can reduce cost of maintenance and maintenance time.

The utility model is further arranged that the electromagnetic valve is connected with the pressure valve through the right-angle clamping sleeve and the air source pipe joint.

Through adopting above-mentioned technical scheme, connect through right angle cutting ferrule and air supply coupling and connect can convenient and fast connect and dismantle, adapt to the needs of different pipeline interfaces, reduce man-hour and the cost in the construction.

The utility model is further arranged that the valve seat is provided with a chloroprene rubber gasket.

By adopting the technical scheme, the neoprene gasket has excellent oil resistance, acid and alkali resistance, abrasion resistance, corrosion resistance and other performances, can ensure that the pneumatic ball valve has good tightness in the use process, reduces potential safety hazards such as leakage and the like, and improves the overall working efficiency.

The beneficial effects of the utility model are as follows: the pneumatic ball valve provided by the utility model can filter out part of impurities in the medium circulation process, can be disassembled, replaced or cleaned, and can timely discharge excessive impurities from the sewage drain pipe to avoid channel blockage.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a block diagram of a filter assembly of the present utility model;

FIG. 3 is an enlarged view of the portion A of FIG. 1;

FIG. 4 is an enlarged view of the portion A of FIG. 1;

fig. 5 is an enlarged schematic view of the portion B in fig. 1.

In the figure, 1, a ball valve body; 11. a left valve body; 12. a right valve body; 121. a mounting groove; 13. a valve seat; 131. a neoprene gasket; 14. a feed inlet; 15. a discharge port; 16. a valve stem; 161. an electrostatic spring; 162. a first gasket; 17. a filter assembly; 171. a semicircular clasp; 1711. a semicircular sealing ring; 172. a filter screen; 173. a connecting plate; 174. a bolt; 18. a blow-down pipe; 181. a trapway; 1811. a limiting block; 1812. a protrusion; 1813. a chute; 1814. a limit column; 1815. a magnet; 182. a piston; 1821. a second gasket; 183. a slide switch; 1831. a key cap; 1832. a sliding connection block; 184. a first cover plate; 185. a second cover plate; 1841. a sliding rail; 1842. a wheel axle; 19. a core; 2. a pneumatic actuator; 3. an electromagnetic valve; 31. a right-angle clamping sleeve; 32. an air source pipe; 4. a limit switch; 5. and a pressure valve.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.

The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, a pneumatic ball valve comprises a ball valve body 1, wherein the ball valve body 1 comprises a valve seat 13, a ball core 19, a feed inlet 14 and a discharge outlet 15, the ball core 19 is arranged on the valve seat 13, and a valve rod 16 is arranged on the ball core 19; the actuating mechanism comprises a pneumatic actuator 2, a pressure reducing valve, an electromagnetic valve 3 and a limit switch 4, wherein the pressure reducing valve, the electromagnetic valve 3 and the limit switch 4 are detachably fixed on the pneumatic actuator 2; the filtering mechanism comprises a blow-off pipe 18 and a filtering component 17 which are sequentially arranged at the feed inlet 14, the blow-off pipe 18 comprises a blow-off channel 181, a first cover plate 184, a second cover plate 185, a piston 182 and a sliding switch 183, a sliding rail 1841 is arranged on the first cover plate 184, an axle 1842 is arranged in the sliding rail 1841, the axle 1842 is connected with the piston 182 through a connecting rod, the piston 182 is connected with the sliding switch 183, the first cover plate 184 and the piston 182 are linked to open and close through moving the sliding switch 183, the filtering component 17 comprises a filter screen 172 and a semicircular clamping ring 171, and the filter screen 172 is matched with the semicircular clamping ring 171 in a clamping manner. By arranging the actuating mechanisms of the pneumatic actuator 2, the pressure reducing valve, the electromagnetic valve 3 and the limit switch 4, accurate control of the valve is realized, and the opening and closing actions are more accurate and reliable. The sewage drain pipe 18 and the filtering component 17 are arranged in the filtering mechanism, and the filtering and the removal of impurities and dirt in the valve flow are realized through the linkage operation of the sewage drain channel 181, the first cover plate 184, the second cover plate 185, the piston 182 and the sliding switch 183, so that the cleaning of the fluid and the normal operation of the valve are ensured.

As shown in fig. 1 and 2, the feed inlet 14 is provided with a mounting groove 121, semicircular sealing rings 1711 are arranged at two sides of the mounting groove 121, and the filter assembly 17 is detachably mounted on the mounting groove 121 and is in sealing fit with the semicircular sealing rings 1711. By designing the mounting groove 121 and the sealing ring, the filter assembly 17 can be conveniently mounted and dismounted, the inconvenience of the traditional ball valve when the filter assembly 17 is dismounted in the assembly process is solved, and the mounting efficiency is improved. The semicircular seal 1711 can be tightly matched with the filter assembly 17, thereby preventing air leakage or liquid leakage in the valve operation process and greatly improving the sealing performance.

As shown in fig. 1 and 3, the sewage drain 181 is provided with a stopper 1811, a groove and a magnet 1815, and the second cover plate 185 and the sewage drain 181 are closed by magnetic attraction. The first cover plate 184 is prevented from being excessively bent and stretched to affect the flow rate of the medium when the sliding switch 183 is closed by the limiting block 1811, and the second cover plate 185 is opened by the design of the groove and the magnetic attraction, so that the whole pollution discharge operation can be smoother and faster, and the operation efficiency is improved.

As shown in fig. 2 and 3, a second seal 1821 is provided on the piston 182, and the trapway 181 includes a protrusion 1812 that mates with the second seal 1821 and a stop post 1814 that mates with the piston 182. By providing a second seal on the piston 182, the sealing layer may be increased a second time to improve the sealing performance of the valve, thereby effectively preventing leakage and leakage of media, and the second seal 1821 may help reduce seal wear, extend service life, and improve reliability and durability of the ball valve. By means of the protrusion 1812 in the blow-down channel 181 and the limit post 1814 in stop fit with the piston 182, accurate positioning of the piston 182 can be achieved, and switching accuracy and stability of the valve are ensured.

As shown in fig. 2 and 3, the slide switch 183 includes a key cap 1831 and a slide connection block 1832, a slide groove 1813 is provided on the inner wall of the drain pipe 18, and the slide connection block 1832 is provided in the slide groove 1813. By the design of the sliding switch 183, the pollution discharge operation is more convenient and quick, the operation efficiency is improved, the sliding connection block 1832 is positioned in the sliding groove 1813, the structural stability of the whole sliding switch 183 is improved, the reliability of equipment is improved, the friction between the sliding connection block 1832 and the inner wall of the pollution discharge pipe 18 can be reduced, and the abrasion or damage caused by long-term friction is avoided.

As shown in fig. 1, a first sealing ring is arranged at the lower end of the valve rod 16, the ball core 19 is clamped and rotated with the valve rod 16, and an electrostatic spring 161 is arranged at the lower end of the valve rod 16. The ball core 19 is clamped with the valve rod 16 to be convenient to detach, and the electrostatic spring 161 can reduce the generation of static electricity.

As shown in fig. 1, the ball valve body 1 includes a left valve body 11 and a right valve body 12, the left valve body 11 and the right valve body 12 being connected by a bolt 174. Adopt the mode of bolt 174 connection, make more durable, shock resistance is stronger, dismantles between the ball valve body 1 spare part, change and clear up more convenient, swift, can reduce cost of maintenance and maintenance time.

As shown in fig. 1, the electromagnetic valve 3 is connected with the pressure valve 5 through a right-angle clamping sleeve 31 and a gas source pipe 32. The right-angle clamping sleeve 31 and the air source pipe 32 are connected in a joint manner, so that the connection and the disassembly can be conveniently and quickly realized, the requirements of different pipeline interfaces are met, and the working hours and the cost in construction are reduced.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. A pneumatic ball valve, comprising:

The ball valve comprises a ball valve body (1), wherein the ball valve body (1) comprises a valve seat (13), a ball core (19), a feed inlet (14) and a discharge outlet (15), the ball core (19) is arranged on the valve seat (13), and a valve rod (16) is arranged on the ball core (19);

The actuating mechanism comprises a pneumatic actuator (2), a pressure reducing valve, an electromagnetic valve (3) and a limit switch (4), wherein the pressure reducing valve, the electromagnetic valve (3) and the limit switch (4) are detachably fixed on the pneumatic actuator (2);

The filtering mechanism comprises a drain pipe (18) and a filtering component (17) which are sequentially arranged at a feed inlet (14), the drain pipe (18) comprises a drain passage (181), a first cover plate (184), a second cover plate (185), a piston (182) and a sliding switch (183), a sliding rail (1841) is arranged on the first cover plate (184), an axle (1842) is arranged in the sliding rail (1841), the axle (1842) is connected with the piston (182) through a connecting rod, the piston (182) is connected with the sliding switch (183), the first cover plate (184) and the piston (182) are linked to be opened and closed through the sliding switch (183), the filtering component (17) comprises a filter screen (172) and a semicircular clamping ring (171), and the filter screen (172) is matched with the semicircular clamping ring (171) in a clamping mode.

2. A pneumatic ball valve as claimed in claim 1, wherein the feed inlet (14) is provided with a mounting groove (121), semicircular sealing rings (1711) are arranged on two sides of the mounting groove (121), and the filter assembly (17) is detachably mounted on the mounting groove (121) and is in sealing fit with the semicircular sealing rings (1711).

3. A pneumatic ball valve as claimed in claim 2, wherein the trapway (181) is provided with a stopper (1811), a recess and a magnet (1815), and the second cover plate (185) is magnetically closed to the trapway (181).

4. A pneumatic ball valve as claimed in claim 3, wherein a second seal (1821) is provided on the piston (182), and the trapway (181) includes a projection (1812) which engages the second seal (1821) and a stop post (1814) which is in stop engagement with the piston (182).

5. A pneumatic ball valve as claimed in claim 3, wherein the slide switch (183) comprises a key cap (1831) and a slide connection block (1832), the inner wall of the drain pipe (18) is provided with a slide groove (1813), and the slide connection block (1832) is arranged in the slide groove (1813).

6. A pneumatic ball valve as claimed in claim 1, wherein the ball core (19) is engaged with the valve stem (16) for rotation, and an electrostatic spring (161) is provided at the lower end of the valve stem (16).

7. A pneumatic ball valve as claimed in claim 1, characterised in that the ball valve body (1) comprises a left valve body (11) and a right valve body (12), the left valve body (11) and the right valve body (12) being connected by means of bolts (174).

8. A pneumatic ball valve as claimed in claim 1, characterised in that the solenoid valve (3) is connected to the pressure valve (5) by means of a right-angled ferrule (31) and a pneumatic tube (32) connection.

9. A pneumatic ball valve as claimed in claim 1, wherein the valve seat (13) is provided with a neoprene gasket (131).