CN213206569U

CN213206569U - Flange type pneumatic stop valve

Info

Publication number: CN213206569U
Application number: CN202022293903.7U
Authority: CN
Inventors: 王余敏
Original assignee: Shanghai Shekon Automation Instrument Co ltd
Current assignee: Shanghai Shekon Automation Instrument Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-14
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to a stop valve technical field just discloses a flange formula pneumatic stop valve, including first valve body, the axis position department fixedly connected with connecting pipe of the inside top surface of first valve body. This flange formula pneumatic stop valve, the utilization drives actuating cylinder and drives the piston rod motion, thereby drive the sprue motion, when sprue and stop valve control seat separation, the inside fluid of second valve body passes the inside of the through-hole inflow cartridge filter of stop valve control seat axis position department this moment, after filtering operation, the fluid gets into the inside of first valve body, discharge from the outlet pipe at last, at the whole in-process that flows, this valve has carried out filtering operation to the fluid, the effectual impurity that reduces in the fluid, the jam of pipeline has been avoided, setting up of connecting pipe can be convenient simultaneously installs the cartridge filter fixedly, and sealed apron can make the convenient clearance of changing of cartridge filter, the effectual functionality and the practicality that have improved this valve.

Description

Flange type pneumatic stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is a flange formula pneumatic stop valve.

Background

The opening and closing part of the pneumatic stop valve is a plug-shaped valve clack, the sealing surface is a plane or a conical surface, and the valve clack moves linearly along the central line of fluid. The movement form of the valve rod is a lifting rod type (the valve rod is lifted, the hand wheel is not lifted), and a lifting rotating rod type (the hand wheel and the valve rod rotate together to lift, and the nut is arranged on the valve body).

The existing pneumatic stop valve has single function, does not have a filtering function, can not effectively filter the passing fluid, and the impurities in the fluid are easily attached to the inner walls of the valve and the pipeline to cause the blocking phenomenon.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a flange formula pneumatic stop valve to solve current pneumatic stop valve function singleness among the above-mentioned background art, do not possess filtering capability, can not effectually carry out filtering operation to passing through the fluid, the inside impurity of fluid is attached to easily on the inner wall of valve and pipeline, causes the problem of jam.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a flange type pneumatic stop valve comprises a first valve body, wherein a connecting pipe is fixedly connected to the position of a center shaft on the outer surface of the top end inside the first valve body, the outer part of the connecting pipe is in threaded connection with a filter cartridge, the filter cartridge is positioned inside the first valve body, a sealing cover plate is fixedly installed at the opening at the lower end of the first valve body, a water outlet pipe is fixedly connected to the side surface of the first valve body, a second valve body is integrally connected to the position of the center shaft on the outer surface of the upper end of the first valve body, a stop valve control seat is fixedly connected to the inner wall of the second valve body and is annular, a piston rod penetrates through a through hole in the position of the center shaft on the outer surface of the upper end of the second valve body, a blocking block is fixedly installed at one end of the piston rod, a water inlet pipe is fixedly connected to the side surface of, the upper end fixed mounting of cylinder installing support drives actuating cylinder, the one end fixed connection who drives actuating cylinder telescopic link is in the upper end of piston rod.

Preferably, first valve body and second valve body all are cylindricly, and first valve body and second valve body center pin altogether.

Preferably, the blocking block corresponds to a through hole in the position of the central shaft of the stop valve control seat.

Preferably, the water outlet port of the water outlet pipe and the water inlet port of the water inlet pipe are at the same horizontal height.

Preferably, a drain pipe is fixedly connected to the middle shaft of the outer surface of the lower end of the sealing cover plate, and an end cover is connected to the outer portion of one end of the drain pipe in a threaded mode.

Preferably, the upper end opening of the filter cartridge communicates with the inside of the second valve body.

Compared with the prior art, the utility model provides a flange formula pneumatic stop valve possesses following beneficial effect:

the flange type pneumatic stop valve can utilize the driving cylinder to drive the piston rod to move through the arrangement of the first valve body, the second valve body, the sealing cover plate, the filter cartridge, the plugging block, the stop valve control seat, the piston rod and the driving cylinder, thereby driving the block to move, when the block is separated from the stop valve control seat, the fluid in the second valve body flows into the filter cylinder through the through hole at the position of the center shaft of the stop valve control seat, after the filtering operation, the fluid enters the interior of the first valve body and is finally discharged from the water outlet pipe, and in the whole flowing process, the valve performs filtering operation on the fluid, effectively reduces impurities in the fluid, avoids the blockage of a pipeline, the setting of connecting pipe can be convenient simultaneously install the cartridge filter fixed to and sealed apron can make the convenient clearance of changing of cartridge filter, the effectual functionality and the practicality that have improved this valve.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the A-A analysis structure of the present invention;

fig. 4 is a schematic view of the structure of the present invention.

Wherein: 1. a first valve body; 2. a second valve body; 3. a water outlet pipe; 4. a water inlet pipe; 5. sealing the cover plate; 6. a cylinder mounting bracket; 7. a piston rod; 8. a driving cylinder; 9. a filter cartridge; 10. blocking; 11. a stop valve control seat; 12. a connecting pipe; 13. a drain pipe; 14. and (4) end covers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a flange type pneumatic stop valve comprises a first valve body 1, a connecting pipe 12 is fixedly connected at the position of a central axis of the outer surface of the top end inside the first valve body 1, the outer part of the connecting pipe 12 is in threaded connection with a filter cartridge 9, the filter cartridge 9 is positioned inside the first valve body 1, a sealing cover plate 5 is fixedly installed at the opening position of the lower end of the first valve body 1, a water outlet pipe 3 is fixedly connected on the side surface of the first valve body 1, a second valve body 2 is integrally connected at the position of the central axis of the outer surface of the upper end of the first valve body 1, a stop valve control seat 11 is fixedly connected on the inner wall of the second valve body 2, the stop valve control seat 11 is annular, a piston rod 7 penetrates through a through hole at the position of the central axis of the outer surface of the upper end of the second valve body 2, a block 10 is fixedly installed at one end of the piston rod 7, a water, the upper end of the cylinder mounting bracket 6 is fixedly provided with a driving cylinder 8, one end of a telescopic rod of the driving cylinder 8 is fixedly connected with the upper end of a piston rod 7, the driving cylinder 8 can be utilized to drive the piston rod 7 to move, so as to drive a block 10 to move, when the block 10 is separated from a stop valve control seat 11, fluid in the second valve body 2 passes through a through hole at the position of a shaft in the stop valve control seat 11 and flows into the filter cartridge 9, after filtering operation, the fluid enters the first valve body 1 and is finally discharged from a water outlet pipe 3, in the whole flowing process, the valve performs filtering operation on the fluid, effectively reduces impurities in the fluid, avoids the blockage of a pipeline, meanwhile, the filter cartridge 9 can be conveniently and fixedly mounted through the connecting pipe 12, and the seal cover plate 5 can conveniently replace and clean the filter cartridge 9, the functionality and the practicality of this valve have effectually been improved.

Further, first valve body 1 and second valve body 2 all are cylindricly, and first valve body 1 and second valve body 2 center axle altogether, this is held effectual stability of having guaranteed this valve in the later stage working process.

Furthermore, the through hole position department of sprue 10 and stop valve control seat 11 axis position department corresponds, and this is effectual to have guaranteed the effect that dams of sprue 10.

Furthermore, the water outlet port of the water outlet pipe 3 and the water inlet port of the water inlet pipe 4 are at the same horizontal height, so that the valve is convenient to fixedly install.

Furthermore, the drain pipe 13 is fixedly connected to the middle shaft of the outer surface of the lower end of the sealing cover plate 5, and the end cover 14 is connected to the outer portion of one end of the drain pipe 13 in a threaded mode, so that when the filter cartridge 9 is replaced, residual fluid inside the first valve body 1 is discharged, and replacement operation is facilitated.

Further, the upper end opening of the filter cartridge 9 communicates with the inside of the second valve body 2, which ensures stable fluid filtering operation.

When the valve is used, the valve is firstly installed at a specified position, then the driving cylinder 8 works, as the telescopic end of the driving cylinder 8 is fixedly connected with one end of the piston rod 7, the piston rod 7 is displaced under the driving of the driving cylinder 8, along with the movement of the piston rod 7, the blocking block 10 is separated from the stop valve control seat 11, at the moment, the flow entering the second valve body 2 through the water inlet pipe 4 passes through the through hole at the central shaft position of the stop valve control seat 11 and flows into the filter cartridge 9, the fluid enters the first valve body 1 through the filtering operation of the filter cartridge 9 and is finally discharged from the water outlet pipe 3, after long-time work, the sealing cover plate 5 is opened, the filter cartridge 9 is reversely rotated, the filter cartridge 9 is separated from the connecting pipe 12, the filter cartridge 9 is further cleaned or replaced, and the end cover 14 is required to be opened between the sealing cover plates 5, the fluid overstocked inside the first valve body 1 is discharged through the drain pipe 13, and the replacement and cleaning of the filter cartridge 9 in the later period can be conveniently and quickly ensured.

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

Claims

1. The utility model provides a flange formula pneumatic stop valve, includes first valve body (1), its characterized in that: the connecting pipe (12) is fixedly connected to the middle shaft position of the outer surface of the top end inside the first valve body (1), the filter cartridge (9) is connected to the outer portion of the connecting pipe (12) through threads, the filter cartridge (9) is located inside the first valve body (1), a sealing cover plate (5) is fixedly installed at the opening of the lower end of the first valve body (1), a water outlet pipe (3) is fixedly connected to the side surface of the first valve body (1), a second valve body (2) is integrally connected to the middle shaft position of the outer surface of the upper end of the first valve body (1), a stop valve control seat (11) is fixedly connected to the inner wall of the second valve body (2), the stop valve control seat (11) is annular, a piston rod (7) penetrates through a through hole in the middle shaft position of the outer surface of the upper end of the second valve body (2), and a blocking block, fixedly connected with inlet tube (4) on the side surface of second valve body (2), the border position department fixedly connected with cylinder installing support (6) of first valve body (1) upper end surface, the upper end fixed mounting of cylinder installing support (6) has drive actuating cylinder (8), the one end fixed connection who drives actuating cylinder (8) telescopic link is in the upper end of piston rod (7).

2. A flange-type pneumatic stop valve as defined in claim 1, wherein: the first valve body (1) and the second valve body (2) are both cylindrical, and the first valve body (1) and the second valve body (2) share a central shaft.

3. A flange-type pneumatic stop valve as defined in claim 1, wherein: the blocking block (10) corresponds to the through hole in the middle shaft of the stop valve control seat (11).

4. A flange-type pneumatic stop valve as defined in claim 1, wherein: and the water outlet port of the water outlet pipe (3) and the water inlet port of the water inlet pipe (4) are at the same horizontal height.

5. A flange-type pneumatic stop valve as defined in claim 1, wherein: the middle shaft position of the outer surface of the lower end of the sealing cover plate (5) is fixedly connected with a drain pipe (13), and the outer thread of one end of the drain pipe (13) is connected with an end cover (14).

6. A flange-type pneumatic stop valve as defined in claim 1, wherein: the upper end opening of the filter cylinder (9) is communicated with the interior of the second valve body (2).