CN217683338U

CN217683338U - Pneumatic bellows stop valve

Info

Publication number: CN217683338U
Application number: CN202221113590.5U
Authority: CN
Inventors: 唐世号
Original assignee: Jiangsu Tanggong Automatic Control Equipment Co ltd
Current assignee: Jiangsu Tanggong Automatic Control Equipment Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-10-28
Anticipated expiration: 2032-05-11

Abstract

The utility model relates to a stop valve technical field specifically is a pneumatic bellows stop valve, including valve body, the end of intaking and play water end, the downside of valve body is provided with sealed lid, the upside of sealed lid is provided with the sealing plug, the inside lower extreme position department that is located the cylinder main part of valve body is provided with the cylinder push rod, the downside of cylinder push rod is provided with the push pedal, the downside of push pedal is provided with the outer pole, the lower extreme of outer pole is provided with interior pole, the downside position department that the outside of interior pole is located the outer pole is provided with the spring, pressure sensor is installed to the downside of interior pole, pressure sensor's downside is installed with the valve clack, the valve clack includes the valve and cuts the piece. The utility model discloses an outer pole, interior pole and spring, the pressure of buffering valve clack, through the pressure size of pressure sensor detection cylinder, be convenient for to the control of cylinder main part pressure, the valve clack is the cylinder structure, increases the area of contact of valve clack and valve body, filters the liquid of circulation through the cartridge filter.

Description

Pneumatic bellows stop valve

Technical Field

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

Background

The stop valve is also called as a stop valve, belonging to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve clack to force a sealing surface not to leak, when a medium enters the valve from the lower part of the valve clack, the resistance required to be overcome by an operating force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise, the fault of the bending of the valve rod can occur, the stop valve is divided into an electric stop valve, a pneumatic stop valve and a manual stop valve, and the starting and closing speed of the pneumatic valve is higher than that of the electric stop valve and the manual stop valve.

Chinese patent discloses a pneumatic type bellows stop valve, (grant publication No. CN 213575620U), this patent technology rises and descends through the inequality completion of the inside atmospheric pressure of pneumatic means, and drive the valve rod action in the in-process of rising and descending, make valve clack lid and valve clack body and valve body separation and closure, adopt this kind of mode switch valve, the inseparable degree of valve when sealed at every turn keeps unanimous, be convenient for lifting means's life, but, above-mentioned dress valve clack does not have elastic construction and pressure detection, can't be timely play close the cylinder, the qigong extrudees down and leads to the valve clack to damage, and the area of contact of valve clack and sealing ring is little, sealed effect is relatively poor, be unfavorable for the result of use of device, can not be to the liquid filtration of circulation, the inside of device can the adhesion impurity after using for a long time, lead to the sealed effect reduction of valve. Accordingly, those skilled in the art have provided a pneumatic bellows shut-off valve that solves the problems set forth above in the background.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic bellows stop valve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pneumatic bellows stop valve, includes the valve body, the end of intaking and goes out the water end, the end of intaking is located lower extreme one side position department of valve body, it is located the upper end opposite side position department of valve body to go out the water end, the downside of valve body is provided with sealed lid, the upside of sealed lid is provided with the sealing plug, the lower extreme position department that the inside of valve body is located the cylinder main part is provided with the cylinder push rod, the downside of cylinder push rod is provided with the push pedal, the downside of push pedal is provided with the outer pole, the lower extreme of outer pole is provided with interior pole, the downside position department that the outside of interior pole is located the outer pole is provided with the spring, pressure sensor is installed to the downside of interior pole, pressure sensor's downside is installed the valve clack, the valve clack includes the valve cut-off piece, the cartridge filter is installed to the lower extreme of valve cut-off piece, the water conservancy diversion passageway has been seted up to the inboard of valve cut-off piece.

As a further aspect of the present invention: the downside of cartridge filter is provided with the connecting plate, the downside of connecting plate is provided with the handle, the upside of connecting plate is provided with first magnetism and inhales the layer, the downside of valve stop block is provided with the second magnetism and inhales the layer, the inside lower extreme of cartridge filter is provided with prevents that the backward flow fights, the top position department that the inside of cartridge filter is located prevents that the backward flow fights is provided with the filter layer, the apopore has been seted up to the upside of cartridge filter.

As a further aspect of the present invention: the cylinder push rod penetrates through the valve body and slides in the inner position of the cylinder body, the push plate slides in the inner position of the valve body through the cylinder push rod, the inner rod is connected to the lower end position of the outer rod through the spring in an elastic mode, and the valve clack slides in the inner position of the valve body.

As the utility model discloses further scheme again: the lower end of the valve body is communicated with the valve stop block through the filter cartridge, the upper end of the flow guide channel is positioned at the upper end of one side of the valve stop block, and the upper end of the flow guide channel corresponds to the water outlet end.

As a further aspect of the present invention: the sealing plug is clamped at the inner position of the valve body, the sealing cover is fixed at the lower side position of the valve body, and the filter cartridge is clamped at the inner lower end position of the flow guide channel.

As the utility model discloses further scheme again: the valve body is communicated with the filter cartridge through the backflow prevention hopper, the filter cartridge is communicated with the flow guide channel through the water outlet hole, the magnetic poles of the corresponding surfaces of the first magnetic attraction layer and the second magnetic attraction layer are opposite, and the connecting plate is adsorbed to the lower side position of the valve stopping block through the first magnetic attraction layer and the second magnetic attraction layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses pneumatic bellows stop valve through outer pole, interior pole and spring, the pressure of buffering valve clack, through the pressure size of pressure sensor detection cylinder, is convenient for to the control of cylinder main part pressure, avoids the too big valve clack that damages of pressure, and the valve clack is the cylinder structure, increases the area of contact of valve clack and valve body, improves sealed effect, filters the liquid of circulation through the cartridge filter, avoids the sealed effect of influence valve clack and valve body such as impurity.

Drawings

FIG. 1 is a schematic diagram of a pneumatic bellows stop valve;

FIG. 2 is a perspective view of a pneumatic bellows shut-off valve;

FIG. 3 is a schematic view of a pneumatic bellows stop valve of portion A of FIG. 2;

FIG. 4 is a perspective view of a valve flap of a pneumatic bellows shut-off valve, shown in exploded view.

In the figure: 1. a valve body; 2. a water inlet end; 3. a water outlet end; 4. a sealing cover; 5. a cylinder main body; 6. a cylinder push rod; 7. pushing a plate; 8. a valve flap; 9. a sealing plug; 10. an outer pole; 11. an inner rod; 12. a spring; 13. a pressure sensor; 14. a valve stop block; 15. a filter cartridge; 16. a flow guide channel; 17. a connecting plate; 18. a handle; 19. a first magnetic absorption layer; 20. a second magnetic absorption layer; 21. a backflow prevention hopper; 22. a filter layer; 23. and (4) water outlet holes.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a pneumatic bellows stop valve includes a valve body 1, a water inlet end 2 and a water outlet end 3, the water inlet end 2 is located at one side of the lower end of the valve body 1, the water outlet end 3 is located at the other side of the upper end of the valve body 1, a sealing cover 4 is disposed at the lower side of the valve body 1, a sealing plug 9 is disposed at the upper side of the sealing cover 4, a cylinder push rod 6 is disposed at the lower end of a cylinder main body 5 inside the valve body 1, a push plate 7 is disposed at the lower side of the cylinder push rod 6, an outer rod 10 is disposed at the lower side of the push plate 7, an inner rod 11 is disposed at the lower end of the outer rod 10, a spring 12 is disposed at the lower side of the outer rod 10 outside the inner rod 11, a pressure sensor 13 is mounted at the lower side of the inner rod 11, a valve flap 8 is mounted at the lower side of the pressure sensor 13, the valve flap 8 includes a valve stopping block 14, a filter cartridge 15 is mounted at the lower end of the valve stopping block 14, a flow guide channel 16 is arranged on the inner side of the valve stopping block 14, an air cylinder push rod 6 penetrates through the valve body 1 and slides at the inner position of the air cylinder main body 5, a push plate 7 slides at the inner position of the valve body 1 through the air cylinder push rod 6, an inner rod 11 is elastically connected at the lower end position of an outer rod 10 through a spring 12, a valve clack 8 slides at the inner position of the valve body 1, the lower end of the valve body 1 is communicated with the valve stopping block 14 through a filter cylinder 15, the upper end of the flow guide channel 16 is positioned at the upper end position of one side of the valve stopping block 14, the upper end of the flow guide channel 16 corresponds to the position of a water outlet end 3, a sealing plug 9 is clamped at the inner position of the valve body 1, a sealing cover 4 is fixed at the lower side position of the valve body 1, the filter cylinder 15 is clamped at the lower end position of the inner part of the flow guide channel 16, firstly, the device is taken out and installed at a use position, then, when the valve needs to be opened, the cylinder main body 5 operates, the cylinder push rod 6 slides in the cylinder main body 5, the cylinder push rod 6 drives the push plate 7 to move upwards, the push plate 7 drives the valve clack 8 to move upwards through the outer rod 10, the inner rod 11 and the pressure sensor 13, when the upper end of the flow guide channel 16 corresponds to the water outlet end 3, the cylinder main body 5 stops operating, water liquid in the water inlet end 2 enters the lower end of the valve body 1, the water liquid enters the flow guide channel 16 through the filter cartridge 15, the water liquid in the flow guide channel 16 is discharged through the water outlet end 3, when the valve needs to be closed, the cylinder main body 5 operates, the cylinder push rod 6 pushes the push plate 7 to move downwards, the push plate 7 pushes the valve clack 8 to move downwards through the outer rod 10, the inner rod 11 and the pressure sensor 13, the spring 12 contracts, the inner rod 11 slides in the outer rod 10 to reduce the pressure of the valve clack 8, the pressure sensor 13 operates to detect the thrust of the cylinder main body 5, when the thrust reaches a limit value, the cylinder main body 5 stops operating, the valve clack 8 moves downwards, the valve clack 8 moves to completely seals the lower end 2 at the lower end of the valve 1, and the valve can complete opening and closing of the valve can be completed.

In fig. 2, 4: the lower side of the filter cartridge 15 is provided with a connecting plate 17, the lower side of the connecting plate 17 is provided with a handle 18, the upper side of the connecting plate 17 is provided with a first magnetic absorption layer 19, the lower side of the valve stopping block 14 is provided with a second magnetic absorption layer 20, the lower end of the interior of the filter cartridge 15 is provided with a backflow prevention bucket 21, the interior of the filter cartridge 15 is provided with a filter layer 22 at the position above the backflow prevention bucket 21, the upper side of the filter cartridge 15 is provided with a water outlet hole 23, the valve body 1 is communicated with the filter cartridge 15 through the backflow prevention bucket 21, the filter cartridge 15 is communicated with the diversion channel 16 through the water outlet hole 23, the magnetic poles of the corresponding surfaces of the first magnetic absorption layer 19 and the second magnetic absorption layer 20 are opposite, the connecting plate 17 is adsorbed at the position of the lower side of the valve stopping block 14 through the first magnetic absorption layer 19 and the second magnetic absorption layer 20, when the valve needs to be opened, the valve clack 8 moves upwards, and when the upper end of the diversion channel 16 corresponds to the water outlet end 3, when the cylinder main body 5 stops running, water liquid in the water inlet end 2 enters the lower end of the valve body 1, the water liquid enters the interior of the filter cylinder 15 through the backflow prevention hopper 21, the water liquid in the interior of the filter cylinder 15 enters the interior of the flow guide channel 16 through the water outlet hole 23 after being filtered by the filter layer 22, the water liquid in the interior of the flow guide channel 16 is discharged through the water outlet end 3, impurities filtered by the filter layer 22 are collected in the interior of the filter cylinder 15 and are positioned at the outer side position of the backflow prevention hopper 21, when the valve needs to be closed, the valve clack 8 moves downwards to the lower end of the valve body 1 to completely seal the water inlet end 2, the opening and closing of the valve are completed, finally, the use is completed, the sealing plug 9 slides out of the valve body 1, the sealing cover 4 is removed, the filter cylinder 15 is pulled by the handle 18, the first magnetic absorption layer 19 is separated from the second magnetic absorption layer 20, the filter cylinder 15 slides out of the flow guide channel 16, impurities collected in the interior of the filter cylinder 15 are cleared, the filter cylinder 15 is cleaned, and the filter cylinder 15 is reset, the sealing cover 4 is fixed to the lower side of the valve body 1.

The utility model discloses a theory of operation is: firstly, taking out the device, installing the device at a using position, then, starting to use, when the valve needs to be opened, the cylinder main body 5 operates, the cylinder push rod 6 slides in the cylinder main body 5, the cylinder push rod 6 drives the push plate 7 to move upwards, the push plate 7 drives the valve clack 8 to move upwards through the outer rod 10, the inner rod 11 and the pressure sensor 13, when the upper end of the diversion channel 16 corresponds to the water outlet end 3, the cylinder main body 5 stops operating, water liquid in the water inlet end 2 enters the lower end of the valve body 1, the water liquid enters the inside of the filter cylinder 15 through the backflow prevention hopper 21, the water liquid in the filter cylinder 15 enters the inside of the diversion channel 16 through the water outlet hole 23 after being filtered by the filter layer 22, the water liquid in the diversion channel 16 is discharged through the water outlet end 3, impurities filtered by the filter layer 22 are collected in the inside of the filter cylinder 15 and are positioned at the outer side position of the backflow prevention hopper 21, when the valve needs to be closed, the cylinder main body 5 operates, the cylinder push rod 6 pushes the push plate 7 to move downwards, the push plate 7 pushes the valve clack 8 to move downwards through the outer rod 10, the inner rod 11 and the pressure sensor 13 push the valve clack 8 to move downwards, the spring 12 contracts, the inner rod 11 slides in the outer rod 10 to reduce the pressure of the valve clack 8, the pressure sensor 13 operates to detect the thrust of the cylinder main body 5, when the thrust reaches a limited value, the cylinder main body 5 stops operating, the valve clack 8 moves downwards to the lower end of the valve body 1 to completely seal the water inlet end 2, the valve is opened and closed, finally, the use is completed, the sealing plug 9 slides out of the valve body 1, the sealing cover 4 is removed, the filter cartridge 15 is pulled through the handle 18, the first magnetic absorption layer 19 is separated from the second magnetic absorption layer 20, the filter cartridge 15 slides out of the flow guide channel 16, impurities collected in the filter cartridge 15 are removed, the filter cartridge 15 is reset after cleaning, and the sealing cover 4 is fixed to the lower side of the valve body 1.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic bellows stop valve, includes valve body (1), end of intaking (2) and play water end (3), end of intaking (2) are located lower extreme one side position department of valve body (1), it is located the upper end opposite side position department of valve body (1) to go out water end (3), a serial communication port, the downside of valve body (1) is provided with sealed lid (4), the upside of sealed lid (4) is provided with sealing plug (9), the inside lower extreme position department that is located cylinder main part (5) of valve body (1) is provided with cylinder push rod (6), the downside of cylinder push rod (6) is provided with push pedal (7), the downside of push pedal (7) is provided with outer pole (10), the lower extreme of outer pole (10) is provided with interior pole (11), the downside position department that the outside of interior pole (11) is located outer pole (10) is provided with spring (12), pressure sensor (13) are installed to the downside of interior pole (11), valve clack (8) are installed to the downside of pressure sensor (13), valve clack (8) include valve shutoff block (14), the lower extreme of valve shutoff block (14) is installed the water conservancy diversion passageway (16) has been seted up.

2. A pneumatic bellows stop valve according to claim 1, characterized in that a connecting plate (17) is provided at a lower side of the filter cartridge (15), a handle (18) is provided at a lower side of the connecting plate (17), a first magnetic absorption layer (19) is provided at an upper side of the connecting plate (17), a second magnetic absorption layer (20) is provided at a lower side of the valve stop block (14), a backflow prevention bucket (21) is provided at a lower end of an inside of the filter cartridge (15), a filter layer (22) is provided at a position above the backflow prevention bucket (21) inside the filter cartridge (15), and a water outlet hole (23) is provided at an upper side of the filter cartridge (15).

3. A pneumatic bellows stop valve according to claim 1, wherein the cylinder push rod (6) slides through the valve body (1) at an internal position of the cylinder body (5), the push plate (7) slides through the cylinder push rod (6) at an internal position of the valve body (1), the inner rod (11) is elastically connected to the outer rod (10) at a lower end position thereof by a spring (12), and the valve flap (8) slides at an internal position of the valve body (1).

4. A pneumatic bellow stop valve according to claim 1, characterized in that the lower end of said valve body (1) is connected to the valve stop block (14) through a filter cartridge (15), the upper end of said guiding channel (16) is located at the upper end of one side of the valve stop block (14), and the upper end of said guiding channel (16) corresponds to the position of the water outlet (3).

5. A pneumatic bellow stop valve according to claim 1, characterised in that said sealing plug (9) is snap-fitted in an inner position of the valve body (1), said sealing cover (4) is fixed in a lower position of the valve body (1), and said filter cartridge (15) is snap-fitted in an inner lower end position of the diversion channel (16).

6. The pneumatic bellows stop valve according to claim 2, wherein the valve body (1) is communicated with the filter cartridge (15) through the backflow prevention bucket (21), the filter cartridge (15) is communicated with the flow guide channel (16) through the water outlet hole (23), the magnetic poles of the corresponding surfaces of the first magnetic absorption layer (19) and the second magnetic absorption layer (20) are opposite, and the connecting plate (17) is adsorbed at the lower side position of the valve stop block (14) through the first magnetic absorption layer (19) and the second magnetic absorption layer (20).