CN217381667U

CN217381667U - Special butterfly valve for desulfurization

Info

Publication number: CN217381667U
Application number: CN202221157158.6U
Authority: CN
Inventors: 吕晓茹
Original assignee: Tianjin Lugong Valve Group Co ltd
Current assignee: SHANGHAI EVER MARK VALVE CO Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-09-06
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a special butterfly valve of desulfurization, including the valve body, the inboard middle part of valve body is provided with the butterfly plate through the pivot activity, butterfly plate surface one side is provided with sealing mechanism, sealing mechanism includes connecting plate, sealing washer, butterfly plate surface one side is provided with the connecting plate, the fixed sealing washer that is provided with all around of connecting plate outside surface, the fixed coupling mechanism that is provided with between connecting plate and the butterfly plate, coupling mechanism includes screw rod, movable plate, first extrusion piece, fixed block, transfer line, second extrusion piece, inserts piece, breach, recess, the inboard middle part of connecting plate is provided with the screw rod through the bearing activity, screw rod outside surface closes soon through the screw thread activity and is provided with the movable plate. The utility model discloses excellent in use effect can be convenient for take out the connecting plate fast to can conveniently change the sealing washer on connecting plate outside surface, thereby make the device can adapt to abominable chemical industry environment and use.

Description

Special butterfly valve for desulfurization

Technical Field

The utility model relates to a butterfly valve technical field specifically is a special butterfly valve of desulfurization.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the 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 butterfly 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 pipe mainly plays a role in cutting off and throttling. 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.

When present butterfly valve uses in desulfurization chemical industry environment, because the rubber operation sealing washer of the special material that chemical industry environment is abominable even adopts, its sealing washer still can become invalid after the valve uses for a long time, so just need change it, and it is comparatively inconvenient when sealing washer is changed to this kind of butterfly valve at present, because the butterfly plate is extremely troublesome in the limited change of valve inner space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special butterfly valve of desulfurization 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: a butterfly valve special for desulfurization comprises a valve body, wherein a butterfly plate is movably arranged in the middle of the inner side of the valve body through a rotating shaft, a sealing mechanism is arranged on one side of the surface of the butterfly plate and comprises a connecting plate and a sealing ring, the connecting plate is arranged on one side of the surface of the butterfly plate, the sealing ring is fixedly arranged on the periphery of the outer side surface of the connecting plate, a connecting mechanism is fixedly arranged between the connecting plate and the butterfly plate and comprises a screw rod, a moving plate, a first extrusion block, a fixed block, a transmission rod, a second extrusion block, an insertion block, a notch and a groove, the screw rod is movably arranged in the middle of the inner side of the connecting plate through a bearing, the outer side surface of the screw rod is rotatably provided with the moving plate through threaded movement, the first extrusion block is fixedly arranged on the periphery of the surface of the moving plate, the fixed block is fixedly arranged on the periphery inside the connecting plate, the transmission rod is movably inserted and arranged inside the fixed block, the butterfly plate is characterized in that a second extrusion block is fixedly arranged at one end, close to the first extrusion block, of the transmission rod, an insertion block is fixedly arranged at one end, far away from the second extrusion block, of the transmission rod, a notch is formed in the surface of the outer side of the butterfly plate, and a groove is formed in one side of the inner portion of the notch.

Preferably, the connecting plate is internally provided with telescopic rods fixedly arranged on two sides of the screw rod, the movable end of each telescopic rod is fixedly connected with the corresponding movable plate, and the stability of the movable plates during movement can be improved through the telescopic rods.

Preferably, one end of the screw rod is fixedly provided with a screwing block, and the screw rod can be conveniently rotated by screwing.

Preferably, the outer side surfaces of the first extrusion block and the second extrusion block are mutually attached, and the first extrusion block extrudes the second extrusion block to conveniently push the transmission rod and the insertion block to move.

Preferably, the groove is internally provided with a filling block, and the filling block can give a force approaching to the direction of the butterfly plate to the connecting plate after the clamping block is clamped into the groove, so that the bottom plate and the connecting plate can be tightly attached.

Preferably, the surface outside the transmission rod is sleeved with a spring between the fixed block and the second extrusion block, the cross section of the insertion block is trapezoidal, the transmission rod can be conveniently and automatically pushed to reset through the spring, and the transmission rod can be conveniently clamped into the groove through the trapezoidal insertion block.

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

1. the utility model discloses the connecting block can be followed the butterfly plate surface and taken off, so can take out from the valve body is inside to can a new connecting block of quick replacement, thereby can not hinder the use of device, and the connecting plate of taking off can move to the operation that the sealing washer was changed in spacious region with it, thereby can conveniently carry out the dismantlement change of sealing washer.

2. The utility model discloses only need to rotate a screw rod, make the screw rod drive movable block and first extrusion piece to the direction removal of keeping away from second extrusion piece, and the transfer line can reset under the effect of spring this moment, thereby make and insert the piece and shift out from the recess is inside, so can take off the connecting block from the butterfly plate surface, when installing new connecting plate, only need with the transfer line with insert inside the piece part card goes into the breach, then the reversal screw rod, so can make the screw rod promote first extrusion piece extrusion second extrusion piece, make and insert the piece and keep away from each other, so can make and insert inside the piece card goes into the recess, so can accomplish the fixed of connecting plate, the change of the whole connecting plate of device is fixed comparatively convenient, thereby can be convenient for use inside narrow and small valve.

Drawings

FIG. 1 is a schematic view of the overall structure of a butterfly valve for desulfurization according to the present invention;

FIG. 2 is an installation view of the bottom plate and the connecting plate of the butterfly valve for desulfurization of the present invention;

fig. 3 is an enlarged view of a position a in fig. 2 of the butterfly valve special for desulfurization of the present invention.

In the figure: 1. a valve body; 2. a butterfly plate; 3. a connecting plate; 4. a seal ring; 5. a screw; 6. moving the plate; 7. a first extrusion block; 8. a fixed block; 9. a transmission rod; 10. a second extrusion block; 11. inserting a block; 12. a notch; 13. a groove; 14. a telescopic rod; 15. and filling the blocks.

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. 1-3, the present invention provides a technical solution: a butterfly valve special for desulfurization comprises a valve body 1, wherein a butterfly plate 2 is movably arranged in the middle of the inner side of the valve body 1 through a rotating shaft, a sealing mechanism is arranged on one side of the surface of the butterfly plate 2 and comprises a connecting plate 3 and a sealing ring 4, the connecting plate 3 is arranged on one side of the surface of the butterfly plate 2, the sealing ring 4 is fixedly arranged on the periphery of the outer side surface of the connecting plate 3, a connecting mechanism is fixedly arranged between the connecting plate 3 and the butterfly plate 2 and comprises a screw rod 5, a moving plate 6, a first extrusion block 7, a fixed block 8, a transmission rod 9, a second extrusion block 10, an insertion block 11, a notch 12 and a groove 13, the middle of the inner side of the connecting plate 3 is movably provided with a screw rod 5 through a bearing, the outer side surface of the screw rod 5 is rotatably provided with the moving plate 6 through thread movement, the first extrusion block 7 is fixedly arranged on the periphery of the surface of the moving plate 6, fixed block 8 is fixedly arranged around the inside of connecting plate 3, the inside activity of fixed block 8 alternates and is provided with transfer line 9, the fixed second extrusion piece 10 that is provided with of one end that is close to first extrusion piece 7 of transfer line 9, the fixed piece 11 that inserts that is provided with of one end that second extrusion piece 10 was kept away from to transfer line 9, breach 12 has been seted up on 2 outside surfaces of butterfly plate, recess 13 has been seted up to the inside one side of breach 12.

The telescopic rods 14 are fixedly arranged on two sides of the screw rod 5 inside the connecting plate 3, the movable ends of the telescopic rods 14 are fixedly connected with the moving plate 6, and the stability of the moving plate 6 during moving can be improved through the telescopic rods 14.

And one end of the screw rod 5 is fixedly provided with a twisting block, and the screw rod 5 can be conveniently rotated by twisting.

The outer side surfaces of the first extrusion block 7 and the second extrusion block 10 are mutually attached, and the first extrusion block 7 extrudes the second extrusion block 10 to conveniently push the transmission rod 9 and the insertion block 11 to move.

The groove 13 is internally provided with a filling block 15, and after the clamping block is clamped into the groove 13, the filling block 15 can give a force to the connecting plate 3 to approach the butterfly plate 2, so that the bottom plate and the connecting plate 3 can be tightly attached.

The outside surface of transfer line 9 is equipped with the spring between fixed block 8 and second extrusion piece 10 cover, the cross section of inserting piece 11 is trapezoidal, can conveniently promote transfer line 9 to reset automatically through the spring, can conveniently block into inside recess 13 through trapezoidal inserting piece 11.

The working principle is as follows: when the device is used, the butterfly plate 2 only plays a connecting role but does not play a sealing role, when the device needs to be sealed, the sealing ring 4 on the surface of the connecting plate 3 is used, and when the device needs to replace the sealing ring 4 in a severe environment for a long time, the valve body 1 is only required to be taken down, then only one screw rod 5 is required to be rotated, the screw rod 5 drives the moving block and the first extrusion block 7 to move towards the direction far away from the second extrusion block 10, at the moment, the transmission rod 9 can reset under the action of the spring, so that the insertion block 11 is moved out of the groove 13, the connecting block can be taken down from the surface of the butterfly plate 2, and can be taken out from the inside of the valve body 1, thereby a new connecting block can be quickly replaced, the use of the device can not be delayed, the connecting plate 3 which is taken down can be moved to an empty area, and the sealing ring 4 can be conveniently detached and replaced, and when installing new connecting plate 3, only need with transfer line 9 with insert inside the piece 11 part card goes into breach 12, then reverse screw rod 5, so can make screw rod 5 promote first extrusion piece 7 extrusion second extrusion piece 10, make to insert piece 11 and keep away from each other, so can make to insert inside piece 11 card goes into recess 13, so can accomplish connecting plate 3 fixed, the change of whole connecting plate 3 of device is fixed comparatively convenient, thereby can convenient to use, it is exactly the utility model relates to a special butterfly valve for desulfurization's theory of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A butterfly valve for desulfurization, comprising a valve body (1), characterized in that: a butterfly plate (2) is movably provided in the inner middle part of the valve body (1) through a rotating shaft, and one side of the surface of the butterfly plate (2) is arranged There is a sealing mechanism, the sealing mechanism includes a connecting plate (3) and a sealing ring (4), a connecting plate (3) is provided on one side of the surface of the butterfly plate (2), and the outer surface of the connecting plate (3) is fixed around A sealing ring (4) is provided, a connection mechanism is fixedly arranged between the connection plate (3) and the butterfly plate (2), and the connection mechanism includes a screw (5), a moving plate (6), a first extrusion block (7), fixed block (8), transmission rod (9), second extrusion block (10), insert block (11), gap (12), groove (13), inside the connecting plate (3) A screw (5) is movably arranged in the middle part through a bearing, and a moving plate (6) is arranged on the outer surface of the screw (5) through a screw thread, and a first extrusion block (6) is fixedly arranged around the surface of the moving plate (6). 7), a fixing block (8) is fixedly arranged around the inside of the connecting plate (3), and a transmission rod (9) is movably inserted inside the fixing block (8), and the transmission rod (9) is close to the first squeezer. One end of the pressing block (7) is fixedly provided with a second pressing block (10), and one end of the transmission rod (9) away from the second pressing block (10) is fixedly provided with an inserting block (11). (2) A notch (12) is formed on the outer surface, and a groove (13) is formed on the inner side of the notch (12).

2. A butterfly valve for desulfurization according to claim 1, characterized in that: telescopic rods (14) are fixedly arranged on both sides of the screw (5) inside the connecting plate (3), and the telescopic rods (14) are The movable end is fixedly connected with the moving plate (6).

3 . The butterfly valve for desulfurization according to claim 1 , characterized in that: one end of the screw ( 5 ) is fixedly provided with a twisting block. 4 .

4 . The butterfly valve for desulfurization according to claim 1 , wherein the outer surfaces of the first extrusion block ( 7 ) and the second extrusion block ( 10 ) are attached to each other. 5 .

5 . The butterfly valve for desulfurization according to claim 1 , wherein a filling block ( 15 ) is arranged inside the groove ( 13 ). 6 .

6. A butterfly valve for desulfurization according to claim 5, characterized in that: a spring is sleeved between the fixed block (8) and the second extrusion block (10) on the outer surface of the transmission rod (9), The cross section of the insert block (11) is trapezoidal.