CN211398602U

CN211398602U - Inflatable butterfly valve

Info

Publication number: CN211398602U
Application number: CN201922205375.2U
Authority: CN
Inventors: 邬锡辉; 张锡渊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-01
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses an inflation butterfly valve, including the valve body, the valve body both sides are provided with water inlet and delivery port respectively, and water inlet one side fixedly connected with cartridge filter, both ends have seted up the spout about cartridge filter one side, and the inside swing joint of spout has the slide bar, slide bar one side fixedly connected with clamping ring, clamping ring one side fixedly connected with filter screen; the water inlet of valve body both sides and delivery port upper and lower end fixedly connected with lug, valve body both sides swing joint have rotatory fixed cover, and both sides are provided with the screw thread about the inside of rotatory fixed cover, and valve body upper end fixedly connected with connecting piece, the inside valve rod that is provided with of connecting piece, valve rod lower extreme run through valve body fixedly connected with valve plate, the valve plate be located the valve body inside and with valve body size looks adaptation, valve rod upper end fixedly connected with dwang. The utility model discloses the structure sets up rationally, can carry out effectual worry to silt and debris in the fluid to be convenient for clear up, the simple to operate of valve body, the maintenance and the clearance in the later stage of being convenient for.

Description

Inflatable butterfly valve

Technical Field

The utility model relates to a butterfly valve specifically is an aerify butterfly valve.

Background

In some long-distance water supply and drainage pipelines, oil and natural gas transmission pipelines, a valve which is in a normally open state is arranged at certain intervals. The valve is arranged to close the valves at two ends of a certain section of pipeline in case of leakage in the pipeline, and the leakage part can be repaired or replaced. The valve is usually a gate valve or a stop valve, a plug valve or a ball valve, or a butterfly valve. The gate valve or the stop valve has the advantages that the gate valve or the stop valve has better sealing performance, but has relatively slow opening and closing speed, and can not be closed quickly in emergency; the plug valve or the ball valve has high opening and closing speed, but has relatively poor pressure resistance and sealing property, and is generally not adopted in the occasions; the butterfly valve is arranged between the two valves, the closing and opening speed is high, the sealing performance is good, and therefore the inflation butterfly valve is generally adopted in the occasions.

For example, mud and impurities are carried in fluid, and the fluid cannot be effectively filtered, so that a gap exists between the valve core plate and the valve seat when the valve core plate is closed, the sealing performance is affected, and the butterfly valve and a pipeline are complex in connection mode and cannot be conveniently disassembled, overhauled and cleaned.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aerify butterfly valve to solve the problem that proposes among the above-mentioned background art.

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

an inflatable butterfly valve comprises a valve body, wherein a water inlet and a water outlet are respectively formed in two sides of the valve body, a filter cartridge is fixedly connected to one side of the water inlet, sliding grooves are formed in the upper end and the lower end of one side of the filter cartridge, sliding rods are movably connected inside the sliding grooves, a connecting ring is fixedly connected to one side of each sliding rod, and a filter screen is fixedly connected to one side of the connecting ring;

the water inlet and the water outlet on two sides of the valve body are fixedly connected with bumps at the upper end and the lower end, the two sides of the valve body are movably connected with a rotary fixing sleeve, and threads are arranged on the upper side and the lower side inside the rotary fixing sleeve.

As a further aspect of the present invention: the improved air faucet is characterized in that a connecting piece is fixedly connected to the upper end of the valve body, a valve rod is arranged inside the connecting piece, the lower end of the valve rod penetrates through a valve plate fixedly connected with the valve body, the valve plate is located inside the valve body and matched with the valve body in size, a rotating rod is fixedly connected to the upper end of the valve rod, a check pin is arranged on one side of the upper surface of the rotating rod, an air faucet is fixedly mounted on one side of the connecting piece, and a sealing rubber.

As a further aspect of the present invention: one side of the air tap is connected with an air inlet channel, one end of the air inlet channel penetrates through the valve body and is communicated with the sealing rubber ring, and a pressing ring is arranged on the peripheral edge of the sealing rubber ring.

As a further aspect of the present invention: the sizes of the filter screen and the slide bar are matched with the size of the filter cartridge.

As a further aspect of the present invention: the size of cartridge filter and the size looks adaptation of water pipe, and the cartridge filter is in inside the water pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up cartridge filter and the inside telescopic formula filter screen that sets up of cartridge filter can filter silt particle, debris in the fluid for there can not be the clearance when closing between case board and the disk seat, avoid debris to influence the leakproofness of valve body, and the filter screen of pull-out type is convenient for clear up debris and silt in the filter screen.

2. The utility model discloses a set up rotatory fixed cover and carry out screw thread fixed connection to water pipe and valve body, made things convenient for the installation of valve body and later maintenance greatly, be convenient for overhaul and rinse the valve body is inside, guarantee the leakproofness of valve body.

Drawings

Fig. 1 is a schematic front sectional view of an inflation butterfly valve.

Fig. 2 is a schematic side sectional view of an inflation butterfly valve.

Fig. 3 is an enlarged schematic view of a in fig. 2 of an inflation butterfly valve.

In the figure: 1. a valve body; 2. a water outlet; 3. a water inlet; 4. a valve stem; 5. a valve plate; 6. rotating the rod; 7. a non-return pin; 8. an air tap; 9. an air intake passage; 10. sealing the rubber ring; 11. rotating the fixing sleeve; 12. a connecting member; 13. a filter screen; 14. a filter cartridge; 15. a chute; 16. a slide bar; 17. a connecting ring; 18. a bump; 19. a thread; 20. and (5) pressing a ring.

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 to 3, in an embodiment of the present invention, an inflatable butterfly valve includes a valve body 1, a water inlet 3 and a water outlet 2 are respectively disposed on two sides of the valve body 1, a filter cartridge 14 is fixedly connected to one side of the water inlet 3, sliding grooves 15 are disposed at upper and lower ends of one side of the filter cartridge 14, a sliding rod 16 is movably connected inside the sliding groove 15, a connecting ring 17 is fixedly connected to one side of the sliding rod 16, and a filter screen 13 is fixedly connected to one side of the connecting ring; the upper and lower ends of the water inlet 3 and the water outlet 2 on the two sides of the valve body 1 are fixedly connected with a convex block 18, the two sides of the valve body 1 are movably connected with a rotary fixing sleeve 11, and the upper and lower sides inside the rotary fixing sleeve 11 are provided with threads 19.

1 upper end fixedly connected with connecting piece 12 of valve body, the inside valve rod 4 that is provided with of connecting

piece

12, 4 lower extremes of valve rod run through 1 fixedly connected with valve plate 5 of valve body, valve plate 5 be located 1 inside and with 1 size looks adaptation of valve body, 4 upper ends fixedly connected with dwang 6 of valve rod, and dwang 6 upper surface one side is provided with check pin 7, connecting piece 12 one side fixed mounting has air cock 8, the edge is provided with sealed rubber ring 10 around the valve plate 5, air cock 8 one side is connected with inlet channel 9, inlet channel 9 one end runs through valve body 1 and sealed rubber ring 10 intercommunication, and sealed rubber ring 10 edge is provided with clamping ring 20 all around, filter screen 13 and slide bar 16's size and the size looks adaptation of cartridge filter 14, the size of cartridge filter 14 and the size looks adaptation of water pipe.

The utility model discloses a theory of operation is:

the two sides of the valve body 1 are respectively provided with a water inlet 3 and a water outlet 2, the upper end and the lower end of the water inlet 3 and the lower end of the water outlet 2 on the two sides of the valve body 1 are fixedly connected with a convex block 18, the two sides of the valve body 1 are movably connected with a rotary fixing sleeve 11, the upper end and the lower end of the inner part of the rotary fixing sleeve 11 are provided with threads 19 which are butted with a water pipe, the water inlet 3 and the water outlet 2 are respectively and fixedly butted with the water pipe by the threaded connection of the rotary fixing sleeve 11 and the water pipe, one side of the water inlet 3 is fixedly connected with a filter cylinder 14, the upper end and the lower end of one side of the filter cylinder 14 are provided with chutes 15, the inner part of the chute 15 is movably connected with a slide bar 16, one side of the slide, the sealing performance of the valve body is prevented from being affected, the filter screen 13 can be drawn out through the slide rod 16, the cleaning of internal soil and sundries is convenient, the upper end of the valve body 1 is fixedly connected with the connecting piece 12, the inside of the connecting piece 12 is provided with the valve rod 4, the lower end of the valve rod 4 penetrates through the valve body 1 and is fixedly connected with the valve plate 5, the valve plate 5 is positioned inside the valve body 1 and is matched with the valve body 1 in size, the upper end of the valve rod 4 is fixedly connected with the rotating rod 6, the rotating rod 6 at the upper end of the connecting piece 12 is rotated to drive the valve rod 4 to rotate to drive the valve plate 5 to rotate to close and open, the check pin 7 is arranged on one side of the upper surface of the rotating rod 6, the valve plate 5 can be prevented from rotating when the air pressure inside the valve body 1 is too high through the check pin 7, the sealing, 8 one sides of air cock are connected with inlet channel 9, inlet channel 9 one end runs through valve body 1 and sealed rubber ring 10 intercommunication, aerify through air cock 8, enter into inside sealed rubber ring 10 through inlet channel 9, make sealed rubber ring 10 inflation seal water pipe and water inlet 3 and delivery port 2 junction, and sealed rubber ring 10 edge around is provided with clamping ring 20, clamping ring 20 sets up and fixes sealed rubber ring 10, make sealed rubber ring 10 become the state of holding one's breath.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An aerify butterfly valve, includes valve body (1), its characterized in that: a water inlet (3) and a water outlet (2) are respectively arranged on two sides of the valve body (1), a filter cartridge (14) is fixedly connected to one side of the water inlet (3), sliding grooves (15) are formed in the upper end and the lower end of one side of the filter cartridge (14), a sliding rod (16) is movably connected to the inside of each sliding groove (15), a connecting ring (17) is fixedly connected to one side of each sliding rod (16), and a filter screen (13) is fixedly connected to one side of each connecting ring (17);

the water inlet (3) and the water outlet (2) on the two sides of the valve body (1) are fixedly connected with a bump (18) at the upper end and the lower end, the two sides of the valve body (1) are movably connected with a rotary fixing sleeve (11), and threads (19) are arranged on the upper side and the lower side inside the rotary fixing sleeve (11).

2. A gas-filled butterfly valve according to claim 1, characterised in that: valve body (1) upper end fixedly connected with connecting piece (12), inside valve rod (4) that is provided with of connecting piece (12), valve rod (4) lower extreme runs through valve body (1) fixedly connected with valve plate (5), valve plate (5) be located valve body (1) inside and with valve body (1) size looks adaptation, valve rod (4) upper end fixedly connected with dwang (6), just dwang (6) upper surface one side is provided with check round pin (7), connecting piece (12) one side fixed mounting has air cock (8), valve plate (5) edge is provided with sealed rubber ring (10) all around.

3. A gas-filled butterfly valve according to claim 2, characterised in that: air cock (8) one side is connected with inlet channel (9), inlet channel (9) one end runs through valve body (1) and sealed rubber ring (10) intercommunication, just sealed rubber ring (10) edge around is provided with clamping ring (20).

4. A gas-filled butterfly valve according to claim 1, characterised in that: the sizes of the filter screen (13) and the slide rod (16) are matched with the size of the filter cylinder (14).

5. A gas-filled butterfly valve according to claim 1, characterised in that: the size of the filter cartridge (14) is matched with that of the water pipe, and the filter cartridge (14) is arranged inside the water pipe.