CN218863288U

CN218863288U - Dust gas butterfly valve sealing valve plate

Info

Publication number: CN218863288U
Application number: CN202222956477.XU
Authority: CN
Inventors: 金柱龙
Original assignee: Shanghai Kaijing Fluid Technology Co ltd
Current assignee: Shanghai Kaijing Fluid Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-14
Anticipated expiration: 2032-11-07

Abstract

The utility model belongs to the technical field of the butterfly valve, especially, be a dirt gas butterfly valve seals valve plate, which comprises a valve body, the fixed orifices has been seted up on the surface of valve body, the inside of valve body is provided with the pivot, the surface mounting of pivot has the valve plate, the surface of valve plate is provided with sealed the pad, and the surface of valve plate is provided with the motor. Drive the rotation of two-way threaded rod through the motor, make first screw thread section of thick bamboo keep away from or be close to the other side with the second screw thread section of thick bamboo, when first screw thread section of thick bamboo is close to the other side with the second screw thread section of thick bamboo, cooperation slider makes first movable rod and second movable rod be close to the other side, make the inserted bar antedisplacement, thereby insert the inside of jack with the inserted bar, it is fixed to the valve plate, prevent the valve plate removal, influence sealed effect, when keeping away from the other side with the second screw thread section of thick bamboo when first screw thread section of thick bamboo, cooperation slider, make first movable rod and second movable rod keep away from the other side, make the inserted bar move backward, thereby shift out the inserted bar from the inside of jack, the rethread pivot can make the valve plate rotate, open this butterfly valve.

Description

Dust gas butterfly valve sealing valve plate

Technical Field

The utility model belongs to the technical field of the butterfly valve, concretely relates to dirt gas butterfly valve seals valve plate.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The main functions of cutting off and throttling are realized on the pipeline. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

However, in the existing valve plate of the dust-gas butterfly valve, the valve plate can move due to the pressure of steam when in use, and the sealing effect is affected, so how to provide the dust-gas butterfly valve sealing valve plate becomes a problem that people in the technical field need to discuss and exchange.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a dirt gas butterfly valve seals valve plate has solved and can have made the valve plate remove, influences the problem of sealed effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a dirt gas butterfly valve seals valve plate, includes the valve body, the fixed orifices has been seted up on the surface of valve body, the inside of valve body is provided with the pivot, the surface mounting of pivot has the valve plate, the surface of valve plate is provided with sealed the pad, and the surface of valve plate is provided with the motor, two-way threaded rod is installed to the output of motor, the surface of two-way threaded rod is connected with first screw thread section of thick bamboo and second screw thread section of thick bamboo, the surface of first screw thread section of thick bamboo is connected with first movable rod, the one end of first movable rod is connected with the inserted bar, the surface of valve plate is provided with slider, the surface of two-way threaded rod is provided with second screw thread section of thick bamboo, the surface of second screw thread section of thick bamboo is connected with the second movable rod, the jack has been seted up to the inside of valve body.

Preferably, the number of the fixing holes is multiple, and the fixing holes are arranged on the surface of the valve body in a circumferential array.

Preferably, one end of the second movable rod is movably connected with the inserted link, and the other end of the second movable rod is movably connected with the second threaded cylinder.

Preferably, one end of the first movable rod is movably connected with the inserted link, and the other end of the first movable rod is movably connected with the first threaded cylinder.

Preferably, the sliding device comprises a sliding rail and two sliding blocks, and the two sliding blocks are respectively connected with the first threaded cylinder and the second threaded cylinder.

Preferably, the number of the jacks is two, and the jacks are symmetrically arranged on two sides inside the valve body.

Preferably, the quantity of motor, two-way threaded rod, first screw thread section of thick bamboo and first movable rod, slider, second screw thread section of thick bamboo and second movable rod, inserted bar is two motor, two-way threaded rod, first screw thread section of thick bamboo and first movable rod, slider, second screw thread section of thick bamboo and second movable rod, inserted bar all are the surface of symmetry installation valve plate.

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

drive the rotation of two-way threaded rod through the motor, make first screw thread section of thick bamboo keep away from or be close to the other side with the second screw thread section of thick bamboo, when first screw thread section of thick bamboo is close to the other side with the second screw thread section of thick bamboo, cooperation slider makes first movable rod and second movable rod be close to the other side, make the inserted bar antedisplacement, thereby insert the inside of jack with the inserted bar, it is fixed to the valve plate, prevent the valve plate removal, influence sealed effect, when keeping away from the other side with the second screw thread section of thick bamboo when first screw thread section of thick bamboo, cooperation slider, make first movable rod and second movable rod keep away from the other side, make the inserted bar move backward, thereby shift out the inserted bar from the inside of jack, the rethread pivot can make the valve plate rotate, open this butterfly valve.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

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

FIG. 2 is a first perspective view of the present invention;

FIG. 3 is a second perspective view of the present invention;

fig. 4 is a third perspective structural view of the present invention.

In the figure: 1. a valve body; 2. a fixing hole; 3. a rotating shaft; 4. a valve plate; 5. a gasket; 6. a motor; 7. a bidirectional threaded rod; 8. a first threaded barrel; 9. a first movable bar; 10. a sliding device; 11. a second threaded barrel; 12. a second movable bar; 13. a rod is inserted; 14. and (4) inserting the jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 the following technical solutions: the utility model provides a dirt gas butterfly valve seals valve plate, including valve body 1, fixed orifices 2 have been seted up on the surface of valve body 1, the inside of valve body 1 is provided with pivot 3, the surface mounting of pivot 3 has valve plate 4, the surface of valve plate 4 is provided with sealed pad 5, the surface of valve plate 4 is provided with motor 6, two-way threaded rod 7 is installed to motor 6's output, the surface of two-way threaded rod 7 is connected with first thread section of thick bamboo 8 and second thread section of thick bamboo 11, the surface of first thread section of thick bamboo 8 is connected with first movable rod 9, the one end of first movable rod 9 is connected with inserted bar 13, the surface of valve plate 4 is provided with slider 10, the surface of two-way threaded rod 7 is provided with second thread section of thick bamboo 11, the surface of second thread section of thick bamboo 11 is connected with second movable rod 12, jack 14 has been seted up to the inside of valve body 1.

In the embodiment, all the electric equipment in the device is supplied with power by an external power supply, when the butterfly valve is closed, the butterfly valve is sealed by matching the sealing gasket 5 with the valve plate 4, the motor 6 drives the bidirectional threaded rod 7 to rotate, the first threaded cylinder 8 and the second threaded cylinder 11 are enabled to move, and the sliding device 10 is matched, so that the first movable rod 9 and the second movable rod 12 move, the inserted rod 13 is driven to move, the inserted rod 13 is moved into the insertion hole 14, the valve plate 4 is prevented from moving, and the sealing effect is prevented from being influenced, wherein the bidirectional threaded rod 7 is formed by arranging two sections of threads with opposite directions on the surface of one threaded rod, the first threaded cylinder 8 and the second threaded cylinder 11 are symmetrically arranged on the surface of the bidirectional threaded rod 7, and the motor 6 drives the bidirectional threaded rod 7 to rotate, make first threaded cylinder 8 and second threaded cylinder 11 keep away from or be close to each other, when first threaded cylinder 8 and second threaded cylinder 11 are close to each other, cooperation slider 10 makes first movable rod 9 and second movable rod 12 be close to each other, make inserted bar 13 antedisplacement, thereby insert inserted bar 13 in the inside of jack 14, it is fixed to valve plate 4, when first threaded cylinder 8 and second threaded cylinder 11 keep away from each other, cooperation slider 10 makes first movable rod 9 and second movable rod 12 keep away from each other, make inserted bar 13 rethread, thereby shift out inserted bar 13 from the inside of jack 14, rethread pivot 3 can make valve plate 4 rotate, open this butterfly valve, through set up fixed orifices 2 on the surface of valve body 1, cooperation bolt and nut can be with valve block 1 and pipe connection.

In one aspect of this embodiment, the butterfly valve is sealed when closed by the gasket 5 engaging the valve plate 4.

In an aspect of this embodiment, drive two-way threaded rod 7 through motor 6 and rotate, make first screw thread section of thick bamboo 8 and second screw thread section of thick bamboo 11 remove, cooperation slider 10 to make first movable rod 9 and second movable rod 12 remove, thereby drive inserted bar 13 and remove, move inserted bar 13 to the inside of jack 14, prevent that valve plate 4 from removing, influence sealed effect.

In one aspect of the present embodiment, the valve body 1 may be connected to a pipe by forming the fixing hole 2 on the surface of the valve body 1 and fitting a bolt and a nut.

In an aspect of this embodiment, when driving two-way threaded rod antiport through the motor, when making first thread section of thick bamboo 8 and second thread section of thick bamboo 11 keep away from the other side, cooperation slider 10 makes first movable rod 9 and second movable rod 12 keep away from the other side, makes inserted bar 13 rethread pivot 3 can make valve plate 4 rotate, opens this butterfly valve to shifting out inserted bar 13 from the inside of jack 14.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dust gas butterfly valve seals valve plate, includes valve body (1), fixed orifices (2), its characterized in that have been seted up on the surface of valve body (1): the utility model discloses a two-way valve, including valve body (1), valve plate (7), two-way threaded rod (7) and two-way threaded rod (11), two-way threaded rod (7) are connected with first threaded cylinder (8) and second threaded cylinder (11), the surface of first threaded cylinder (8) is connected with first movable rod (9), the one end of first movable rod (9) is connected with inserted bar (13), the surface of valve plate (4) is provided with slider (10), the surface of two-way threaded rod (7) is provided with second threaded cylinder (11), the surface of second threaded cylinder (11) is connected with second movable rod (12), jack (14) have been seted up to the inside of valve body (1).

2. The dust and gas butterfly valve sealing valve plate of claim 1, wherein: the number of the fixing holes (2) is multiple, and the fixing holes (2) are arranged on the surface of the valve body (1) in a circumferential array mode.

3. The dust and gas butterfly valve sealing valve plate according to claim 1, wherein: one end of the second movable rod (12) is movably connected with the inserted rod (13), and the other end of the second movable rod (12) is movably connected with the second threaded cylinder (11).

4. The dust and gas butterfly valve sealing valve plate of claim 1, wherein: one end of the first movable rod (9) is movably connected with the inserted rod (13), and the other end of the first movable rod (9) is movably connected with the first threaded cylinder (8).

5. The dust and gas butterfly valve sealing valve plate of claim 1, wherein: the sliding device (10) comprises a sliding rail and two sliding blocks, and the two sliding blocks are respectively connected with the first threaded barrel (8) and the second threaded barrel (11).

6. The dust and gas butterfly valve sealing valve plate according to claim 1, wherein: the quantity of jack (14) is two, jack (14) are the symmetry and set up the both sides in valve body (1).

7. The dust and gas butterfly valve sealing valve plate of claim 1, wherein: the quantity of motor (6), two-way threaded rod (7), first screw thread section of thick bamboo (8) and first movable rod (9), slider (10), second screw thread section of thick bamboo (11) and second movable rod (12), inserted bar (13) is two motor (6), two-way threaded rod (7), first screw thread section of thick bamboo (8) and first movable rod (9), slider (10), second screw thread section of thick bamboo (11) and second movable rod (12), inserted bar (13) all are the surface of symmetry installation valve plate (4).