CN219432504U - Pneumatic ball valve - Google Patents

Abstract

The utility model discloses a pneumatic ball valve, which comprises a pneumatic ball valve body, wherein the left end of the pneumatic ball valve body is fixedly connected with an inflow pipeline, the right end of the pneumatic ball valve body is fixedly connected with an inflow pipeline, flanges are fixedly arranged at the outer port positions of the inflow pipeline and an outflow pipeline, a valve core is arranged in the pneumatic ball valve body, the upper end of the pneumatic ball valve body is symmetrically and fixedly connected with two valve rods, a support is arranged at the central position of the upper part of the pneumatic ball valve body, the support is vertically inserted into the valve core, the top of the support is fixedly connected with a pneumatic actuator, the lower end of the inflow pipeline is fixedly connected with a sewage draining shell, and a filtering component and an anti-blocking component are sequentially arranged on the right side of the sewage draining shell in the inflow pipeline. The utility model provides a filter assembly which comprises a clamping ring and a filter piece, wherein the clamping ring can be fixedly connected with an inflow pipeline through a screw, the damaged filter piece can be conveniently detached for replacement, the resources are saved, and the practicability is higher.

Description

Pneumatic ball valve

Technical Field

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

Background

Pneumatic ball valves are ball valves fitted with pneumatic actuators that are relatively fast in speed, with the fastest switching speed of 0.05 seconds/time, and so are also commonly known as pneumatic quick-cut ball valves. Pneumatic ball valves are commonly configured with various accessories, such as solenoid valves, air source processing triplex, limit switches, positioners, control boxes and the like, so as to realize local control and remote centralized control, and the opening and closing of the valves can be controlled in the control room without running to the site or high altitude and dangerous zones for manual control, thereby saving manpower resources, time and safety to a great extent.

The pneumatic ball valve has the filth impurity to leave in the in-process of using usually, and this very influence pneumatic ball valve's life like some chemical plant's waste water, has remained industrial compound more, needs to carry out filtration treatment to these impurity, but the problem of jam appears in general filter screen easily, and changes the dismouting comparatively troublesome, needs the problem of manpower and time.

Disclosure of Invention

The utility model aims to provide a pneumatic ball valve to solve the problems in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a pneumatic ball valve, includes pneumatic ball valve body, pneumatic ball valve body left end fixedly connected with inflow pipeline, pneumatic ball valve body right-hand member fixedly connected with outflow pipeline, equal fixed mounting has the flange on the outer port position of inflow pipeline and outflow pipeline, this internal case that is equipped with of pneumatic ball valve, two valve rods of pneumatic ball valve body upper end symmetry fixedly connected with, pneumatic ball valve body and valve rod integration, pneumatic ball valve body upper portion central point puts and installs the support, the inside vertical case that inserts of support, the top fixedly connected with pneumatic actuator of support, inflow pipeline lower extreme fixedly connected with blowdown shell, inflow pipeline inside is located blowdown shell right side and is equipped with filter element and anti-blocking subassembly in proper order.

As a further preferable mode of the technical scheme, the filter assembly comprises a clamping ring, a filter disc and a connecting plate, wherein the inner wall of the clamping ring is fixedly connected with the filter disc, the connecting plate is fixedly installed on two symmetrical planes at the lower end of the clamping ring, and a sealing ring is arranged between the gap between the filter disc and the clamping ring.

As a further preferable mode of the technical scheme, a semicircular clamping groove is formed in the outer side of the upper end of the inflow pipeline, a through groove is formed in the bottom of the clamping groove, the through groove penetrates through the upper portion of the inflow pipeline, fixing plates are symmetrically and fixedly mounted on two sides of the inflow pipeline, corresponding connecting plates are fixedly connected with the fixing plates through bolts, the sealing ring is slidably connected in the through groove, and the sealing ring is tightly attached to the bottom of the clamping groove.

As a further preferable mode of the technical scheme, the anti-blocking assembly comprises an air pipe, spray heads and pulse valves, wherein the air pipe penetrates through the bottom of the inflow pipeline and extends into the inflow pipeline to be fixedly connected with the upper end of the inner wall of the inflow pipeline, a plurality of spray heads are arranged on one side of the air pipe, and the pulse valves are arranged on one side of the outer end of the air pipe.

As a further preferable mode of the technical scheme, a drain outlet is formed in the lower end of the inflow pipeline, a drain shell is fixedly connected to the lower portion corresponding to the drain outlet, a drain pipe is fixedly connected to the lower end of the drain shell, and a valve is arranged on one side of the drain pipe.

The utility model provides a pneumatic ball valve, which has the following beneficial effects:

(1) According to the utility model, impurities in fluid can be effectively filtered through the filter assembly and the anti-blocking assembly, the pulse valve is arranged to control gas in the air pipe to be sprayed out from the spray head, the filter screen is sprayed, dirt and impurities are blown off, the fluid enters the ball valve, and the fluid comes out from the outflow pipeline, so that the internal blocking condition of the ball valve can be effectively prevented.

(2) The utility model provides a filter assembly which comprises a clamping ring and a filter piece, wherein the clamping ring can be fixedly connected with an inflow pipeline through a screw, the damaged filter piece can be conveniently detached for replacement, the resources are saved, and the practicability is higher.

Drawings

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

FIG. 2 is a side cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a side half-cut view of the overall structure of the present utility model;

FIG. 4 is a schematic view of a filter assembly according to the present utility model;

FIG. 5 is a schematic view of an inflow conduit structure of the present utility model.

In the figure: 1. a pneumatic ball valve body; 2. an inflow conduit; 3. an outflow conduit; 4. a flange; 5. a valve core; 6. a sewage disposal shell; 8. a filter assembly; 9. a valve stem; 10. a bracket; 11. a pneumatic actuator; 12. a bolt; 21. a clamping groove; 22. a through groove; 23. a fixing plate; 24. a sewage outlet; 61. a blow-down pipe; 62. a valve; 71. an air pipe; 72. a spray head; 73. a pulse valve; 81. a clasp; 82. a filter sheet; 83. a connecting plate; 84. and (3) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The utility model provides the technical scheme that: the utility model provides a pneumatic ball valve, as shown in fig. 1 and 2, is a global architecture schematic diagram of pneumatic ball valve, including pneumatic ball valve body 1, pneumatic ball valve body 1 left end fixedly connected with inflow pipeline 2, pneumatic ball valve body 1 right-hand member fixedly connected with outflow pipeline 3, all fixed mounting has flange 4 on the outer port position of inflow pipeline 2 and outflow pipeline 3, be equipped with case 5 in the pneumatic ball valve body 1, pneumatic ball valve body 1 upper end symmetry fixedly connected with two valve rods 9, pneumatic ball valve body 1 and valve rod 9 integration, pneumatic ball valve body 1 upper portion central point puts and installs support 10, support 10 is vertical inside inserting case 5, the top fixedly connected with pneumatic actuator 11 of support 10, inflow pipeline 2 lower extreme fixedly connected with blowdown shell 6, inflow pipeline 2 inside is equipped with filter element 8 and anti-blocking assembly in proper order on blowdown shell 6 right side.

In this embodiment, specific: as shown in fig. 3 and fig. 4, the specific structure schematic diagram of the filter assembly 8 is shown, the filter assembly 8 includes a snap ring 81, a filter disc 82 and a connecting plate 83, the inner wall of the snap ring 81 is fixedly connected with the filter disc 82, connecting plates 83 are fixedly installed on two symmetrical planes at the lower end of the snap ring 81, a sealing ring 84 is arranged between the gaps where the filter disc 82 and the snap ring 81 are connected, the sealing ring 84 can ensure that the joint part of the snap ring 81 and the clamping groove 21 is more compact, the tightness of the inflow pipeline 2 is ensured, the filter disc 82 includes an outer filter screen, a middle filter screen and an inner filter screen, the outer filter screen and the middle filter screen are in a porous cover shape, the inner filter screen is in a porous flat plate shape, and the diameter of a filter hole of the outer filter screen is larger than that of the middle filter screen.

In this embodiment, specific: as shown in fig. 5, a schematic diagram of a concrete structure of a slot of the inflow pipe 2 is shown, a semicircular arc clamping groove 21 is formed at the outer side of the upper end of the inflow pipe 2, a through groove 22 is formed at the bottom of the clamping groove 21, the through groove 22 penetrates through the upper portion of the inflow pipe 2, fixing plates 23 are symmetrically and fixedly arranged at two sides of the inflow pipe 2, corresponding connecting plates 83 and the fixing plates 23 are fixedly connected through bolts 12, sealing rings 84 are slidably connected in the through groove 22, the sealing rings 84 are tightly attached to the bottom of the clamping groove 21, when a filter 82 is damaged or blocked and needs to be replaced, the clamping ring 81 can be taken out from the clamping groove 21 by unscrewing the bolts 12, the filter 82 is pulled out from the through groove 22 to be replaced, and then the replaced filter 82 is reinserted into the through groove 22, and the fixing plates 23 and the connecting plates 83 are screwed by the bolts 12.

In this embodiment, specific: the anti-blocking assembly comprises an air pipe 71, a spray head 72 and a pulse valve 73, wherein the air pipe 71 penetrates through the bottom of the inflow pipeline 2 and extends into the inflow pipeline 2 to be fixedly connected with the upper end of the inner wall of the inflow pipeline 2, a plurality of spray heads 72 are arranged on one side of the air pipe 71, the pulse valve 73 is arranged on one side of the outer end of the air pipe 71, the pulse valve 73 is used for controlling gas in the air pipe 71 to spray out from the spray head 72, a filter screen is sprayed, dirt impurities are blown off, fluid enters a ball valve, and the fluid comes out from the inflow pipeline 2.

In this embodiment, specific: as shown in fig. 1 and 5, the lower end of the inflow pipe 2 is provided with a drain outlet 24, a drain shell 6 is fixedly connected with the lower part corresponding to the drain outlet 24, the lower end of the drain shell 6 is fixedly connected with a drain pipe 61, one side of the drain pipe 61 is provided with a valve 62, and the valve 62 can be periodically opened to discharge filtered impurities along the drain pipe 61.

In summary, the specific use method of the pneumatic ball valve disclosed by the utility model is as follows:

when the pneumatic ball valve is used, the valve core 5 is rotated through the pneumatic actuator 11, when fluid passes through the inflow pipeline 2, the outer, middle and inner three layers of filter screens of the filter disc 82 of the filter assembly 8 are used for filtering dirt impurities, if the three layers of filter screens of the filter disc 82 are blocked by the dirt impurities, the pulse valve 73 is started to open the air in the control air pipe 71 to spray out of the spray head 72, the filter screens are blown, the dirt impurities are blown off, the fluid enters the ball valve and comes out of the outflow pipeline 3, when the filter disc 82 needs to be replaced, the clamping ring 81 can be taken out from the clamping groove 21 through the unscrewing bolts 12, the valve 62 can be periodically opened to discharge the filtered impurities along the drain pipe 61, the filter disc 82 is pulled out from the through groove 22 for replacement, and then the replaced filter disc 82 is reinserted into the through groove 22, and the fixing plate 23 and the connecting plate 83 are screwed by the bolts 12.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a pneumatic ball valve, includes pneumatic ball valve body (1), its characterized in that: the novel sewage treatment device is characterized in that the left end of the pneumatic ball valve body (1) is fixedly connected with the inflow pipeline (2), the right end of the pneumatic ball valve body (1) is fixedly connected with the outflow pipeline (3), the flanges (4) are fixedly installed at the outer port positions of the inflow pipeline (2) and the outflow pipeline (3), the valve core (5) is arranged in the pneumatic ball valve body (1), two valve rods (9) are symmetrically and fixedly connected to the upper end of the pneumatic ball valve body (1), the pneumatic ball valve body (1) and the valve rods (9) are integrated, the support (10) is installed at the central position of the upper portion of the pneumatic ball valve body (1), the support (10) is vertically inserted into the valve core (5), the top of the support (10) is fixedly connected with the pneumatic actuator (11), the lower end of the inflow pipeline (2) is fixedly connected with the sewage treatment shell (6), and the inside of the inflow pipeline (2) is provided with the filter assembly (8) and the anti-blocking assembly on the right side of the sewage treatment shell (6) in sequence.

2. A pneumatic ball valve as in claim 1 wherein: the filter assembly (8) comprises a clamping ring (81), filter plates (82) and connecting plates (83), wherein the filter plates (82) are fixedly connected to the inner wall of the clamping ring (81), the connecting plates (83) are fixedly installed on two symmetrical planes at the lower end of the clamping ring (81), and sealing rings (84) are arranged between gaps where the filter plates (82) are connected with the clamping ring (81).

3. A pneumatic ball valve as in claim 2 wherein: semicircular clamping grooves (21) are formed in the outer side of the upper end of the inflow pipeline (2), through grooves (22) are formed in the bottoms of the clamping grooves (21), the through grooves (22) penetrate through the upper portion of the inflow pipeline (2), fixing plates (23) are symmetrically and fixedly arranged on two sides of the inflow pipeline (2), corresponding connecting plates (83) and the fixing plates (23) are fixedly connected through bolts (12), sealing rings (84) are slidably connected in the through grooves (22), and the sealing rings (84) are tightly attached to the bottoms of the clamping grooves (21).

4. A pneumatic ball valve as in claim 3 wherein: the anti-blocking assembly comprises an air pipe (71), spray heads (72) and a pulse valve (73), wherein the air pipe (71) penetrates through the bottom of the inflow pipeline (2) and extends into the inflow pipeline (2) to be fixedly connected with the upper end of the inner wall of the inflow pipeline, a plurality of spray heads (72) are arranged on one side of the air pipe (71), and the pulse valve (73) is arranged on one side of the outer end of the air pipe (71).

5. A pneumatic ball valve as defined in claim 4, wherein: the sewage draining device is characterized in that a sewage draining outlet (24) is formed in the lower end of the inflow pipeline (2), a sewage draining shell (6) is fixedly connected to the lower portion corresponding to the sewage draining outlet (24), a sewage draining pipe (61) is fixedly connected to the lower end of the sewage draining shell (6), and a valve (62) is arranged on one side of the sewage draining pipe (61).