CN217029981U

CN217029981U - Flange butterfly valve with independently replaceable valve plates

Info

Publication number: CN217029981U
Application number: CN202220788787.2U
Authority: CN
Inventors: 吕晓茹
Original assignee: Tianjin Lugong Valve Group Co ltd
Current assignee: Tianjin Lugong Valve Group Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-22
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a flange butterfly valve with an independently replaceable valve block, which comprises a valve body, wherein the upper end and the lower end of the valve body are fixedly provided with connecting bent pipes, one side of the surface of the valve body is fixedly provided with a fixed frame, the middle part of the inner side of the fixed frame is movably provided with a transmission rod through a bearing, the transmission rod penetrates through the valve body and extends into the valve body, the middle part of the inner side of the valve body is provided with a valve plate, the outer side surface of the valve plate is provided with a notch, the transmission rod is movably clamped and arranged in the notch, a fixing mechanism is arranged between the inner part of the valve plate and the transmission rod, the upper end of the connecting bent pipe at the upper end is fixedly provided with an opening, the upper end of the notch is fixedly provided with a sealing plate, and a locking screw is arranged between the sealing plate and the opening. The valve plate has good use effect, and the valve plate can be operated, maintained or replaced without disassembling the whole valve body, so that the valve plate is convenient to use.

Description

Flange butterfly valve with independently replaceable valve plates

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a flange butterfly valve with a valve plate capable of being replaced independently.

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.

Butterfly valves are used to control the flow of various types of fluids such as air, water, steam, various corrosive media, slurries, oils, liquid metals, and radioactive media. 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.

And present butterfly valve often all is connected the use through flange and pipeline when using, so when needs maintain, often need all dismantle the flange of both sides and open, then just can take off the butterfly valve, just have enough space to operate the valve plate, so use comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flange butterfly valve with a separately replaceable valve plate, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a can change flange butterfly valve of valve block alone, includes the valve body, the valve body upper end is all fixed with the lower extreme and is provided with the connecting bend, the fixed frame that is provided with in valve body surface one side, the inboard middle part of fixed frame is provided with the transfer line through the bearing activity, the transfer line alternates inside extending to the valve body through the valve body, the inboard middle part of valve body is provided with the valve plate, valve plate outside surface is provided with the breach, transfer line activity block is provided with inside the breach, be provided with fixed establishment between inside the valve plate and the transfer line, the upper end the fixed opening that is provided with in connecting bend upper end, the fixed closing plate that is provided with in breach upper end, be provided with locking screw between closing plate and the opening.

Preferably, fixed establishment includes screw rod, connecting rod, fixture block, first draw-in groove, slide bar, the inboard middle part of valve plate is provided with the screw rod through the bearing activity, the screw rod outside surface is equipped with the connecting rod through screw thread movable sleeve, the fixed fixture block that is provided with of connecting rod one end, first draw-in groove has been seted up to transfer line surface one side, the inside fixed slide bar that is provided with in screw rod one side of valve plate, one side movable sleeve that the connecting rod is close to the slide bar is established on the slide bar outside surface, fixture block activity block sets up inside first draw-in groove, can conveniently be in the same place transfer line and valve fixed connection through fixed establishment.

Preferably, connecting rod outside fixed surface is provided with first extrusion piece, the valve plate is inside to be provided with the fixed block in first extrusion piece one side is fixed, the inside activity interlude of fixed block is provided with the kelly, the transfer line has been close to one side surface of kelly and has been seted up the second draw-in groove, inside fixture block activity block was provided with the second draw-in groove, inside the second draw-in groove was gone into to second draw-in groove inside cooperation fixture block card through the kelly card, can improve the fixed stability between valve plate and the transfer line.

Preferably, the clamping rod is fixedly provided with a second extrusion block near one end of the first extrusion block, the outer side surfaces of the first extrusion block and the second extrusion block are mutually attached, and the second extrusion block is extruded through the first extrusion block, so that the second extrusion block can perform translational motion.

Preferably, the surface outside the kelly is provided with the spacing ring in fixed block one side is fixed, the kelly surface outside is equipped with the spring in the cover between the spacing ring fixed block, can conveniently promote the kelly to reset automatically through spacing ring, spring.

Preferably, the connection elbow is provided with a connection flange away from the valve body, and the connection elbow can be conveniently connected with other pipelines through the connection flange.

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

1. the screw rod is rotated, the connecting rod can be driven to move upwards through the threads when the screw rod rotates, so that the clamping block can be driven to move upwards, the clamping block can be moved out of the first clamping groove, the first extrusion block and the second extrusion block can be far away when the connecting rod moves upwards, the clamping rod can move rightwards under the action of the spring, the clamping rod can be moved out of the second clamping groove, the fixing between the transmission rod and the valve plate can be lost, the valve plate can be taken out by vertically lifting the valve plate upwards, and the valve plate can be conveniently and quickly detached.

2. When a new valve plate needs to be installed, the notch on the surface of the valve plate is clamped in by aligning with the transmission rod, then the screw rod is reversed, so that the screw rod drives the clamping block to be clamped in the first clamping groove, and the second extrusion block is extruded by the first extrusion block so that the clamping rod is clamped in the second clamping groove, and the valve plate can be fixed.

Drawings

FIG. 1 is a schematic view of the overall structure of a flange butterfly valve with a separately replaceable valve plate according to the present invention;

FIG. 2 is an installation view of a flange butterfly valve plate and a transmission rod with a separately replaceable valve plate according to the present invention;

FIG. 3 is an internal structural view of a flanged butterfly valve plate with an individually replaceable valve plate according to the present invention.

In the figure: 1. a valve body; 2. connecting a bent pipe; 3. a fixed frame; 4. a transmission rod; 5. a valve plate; 6. a notch; 7. an opening; 8. a sealing plate; 9. a screw; 10. a connecting rod; 11. a clamping block; 12. a first card slot; 13. a slide bar; 14. a first extrusion block; 15. a fixed block; 16. a clamping rod; 17. a second card slot; 18. a second extrusion block; 19. a limiting ring; 20. and (7) connecting the flanges.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a can change flange butterfly valve of valve block alone, includes

valve body

1, 1 upper end of valve body is all fixed with the lower extreme and is provided with connecting

bend

2, 1 fixed frame 3 that is provided with in surface one side of valve body, 3 inboard middle parts of fixed frame are provided with transfer line 4 through the bearing activity, transfer line 4 alternates and extends to 1 inside of valve body through

valve body

1, 1 inboard middle part of valve body is provided with

valve plate

5, 5 outside surfaces of valve plate are provided with

breach

6, 4 movable block of transfer line is provided with inside breach 6, be provided with fixed establishment between 5 insides of valve plate and transfer line 4, the upper end 2 upper ends of connecting bend are fixed and are provided with opening 7, 6 fixed closing plate 8 that are provided with in breach upper end, be provided with the locking screw between closing plate 8 and opening 7.

The fixing mechanism comprises a screw rod 9, a connecting rod 10, a clamping block 11, a first clamping groove 12 and a sliding rod 13, the screw rod 9 is movably arranged in the middle of the inner side of the valve plate 5 through a bearing, the connecting rod 10 is movably sleeved on the surface of the outer side of the screw rod 9 through threads, the clamping block 11 is fixedly arranged at one end of the connecting rod 10, the first clamping groove 12 is formed in one side of the surface of the transmission rod 4, the sliding rod 13 is fixedly arranged in one side of the screw rod 9 inside the valve plate 5, the connecting rod 10 is movably sleeved on the surface of the outer side of the sliding rod 13 close to one side of the sliding rod 13, the clamping block 11 is movably clamped inside the first clamping groove 12, and the transmission rod 4 and the valve can be conveniently and fixedly connected together through the fixing mechanism.

Connecting rod 10 outside fixed surface is provided with first extrusion piece 14, valve plate 5 is inside to be provided with fixed block 15 in first extrusion piece 14 one side is fixed, the inside activity of fixed block 15 alternates and is provided with kelly 16, a side surface that transfer line 4 is close to kelly 16 has seted up second draw-in groove 17, inside fixture block 11 activity block was provided with second draw-in groove 17, go into inside second draw-in groove 17 is gone into to second draw-in groove 17 inside cooperation fixture block 11 card through kelly 16 card, can improve the stability of fixing between valve plate 5 and the transfer line 4.

One end of the clamping rod 16 close to the first extrusion block 14 is fixedly provided with a second extrusion block 18, the outer side surfaces of the first extrusion block 14 and the second extrusion block 18 are mutually attached, and the first extrusion block 14 extrudes the second extrusion block 18, so that the second extrusion block 18 can make translational motion.

The fixed spacing ring 19 that is provided with in fixed block 15 one side of kelly 16 outside surface, the cover is equipped with the spring in kelly 16 outside surface between 19 fixed blocks 15 of spacing ring, can conveniently promote automatically through spacing ring 19, spring that the kelly 16 resets.

The connecting bent pipe 2 is provided with a connecting flange 20 far away from the valve body 1, and the connecting bent pipe 2 can be conveniently connected with other pipelines through the connecting flange 20.

The working principle is as follows: when the device is used, an external pipeline can be connected through the connecting flange 20 for use, when the valve plate 5 needs to be replaced and maintained, only the sealing plate 8 needs to be detached through the detaching screws, then a hand is inserted into the valve body 1, then the screw rod 9 is rotated, the screw rod 9 can drive the connecting rod 10 to move upwards through the threads when the screw rod 9 rotates, so that the clamping block 11 can be driven to move upwards, the clamping block 11 can be moved out of the first clamping groove 12, the first extrusion block 14 and the second extrusion block 18 can be far away when the connecting rod 10 moves upwards, so that the clamping rod 16 can move rightwards under the action of the spring, so that the clamping rod 16 can be moved out of the second clamping groove 17, so that the fixing between the transmission rod 4 and the valve plate 5 can be lost, the valve plate 5 can be taken out by lifting the valve plate 5 upwards and vertically, so that the detaching process of the valve plate 5 is convenient and rapid, when a new valve plate 5 needs to be installed, only the notch 6 on the surface of the valve plate 5 needs to be aligned with the transmission rod 4 to be clamped, and then the screw 9 is reversed, so that the screw 9 drives the clamping block 11 to be clamped into the first clamping groove 12, the first extrusion block 14 extrudes the second extrusion block 18 to clamp the clamping rod 16 into the second clamping groove 17, and the valve plate 5 can be fixed.

It should be noted that, in this document, relational terms such as first and second, and the like are 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can change flange butterfly valve of valve block alone, includes valve body (1), its characterized in that: the upper end and the lower end of the valve body (1) are both fixedly provided with a connecting bent pipe (2), one side of the surface of the valve body (1) is fixedly provided with a fixed frame (3), a transmission rod (4) is movably arranged in the middle of the inner side of the fixed frame (3) through a bearing, the transmission rod (4) penetrates through the valve body (1) and extends into the valve body (1), a valve plate (5) is arranged in the middle of the inner side of the valve body (1), a notch (6) is arranged on the outer side surface of the valve plate (5), the transmission rod (4) is movably clamped and arranged in the gap (6), a fixing mechanism is arranged between the inner part of the valve plate (5) and the transmission rod (4), the upper end of the connecting elbow (2) is fixedly provided with an opening (7), a sealing plate (8) is fixedly arranged at the upper end of the notch (6), and a locking screw is arranged between the sealing plate (8) and the opening (7).

2. A flange butterfly valve with a separately replaceable valve plate according to claim 1, wherein: fixed establishment includes screw rod (9), connecting rod (10), fixture block (11), first draw-in groove (12), slide bar (13), valve plate (5) inboard middle part is provided with screw rod (9) through the bearing activity, screw rod (9) outside surface is equipped with connecting rod (10) through screw thread movable sleeve, connecting rod (10) one end is fixed and is provided with fixture block (11), first draw-in groove (12) have been seted up to transfer line (4) surface one side, valve plate (5) inside is fixed in screw rod (9) one side and is provided with slide bar (13), one side movable sleeve that connecting rod (10) are close to slide bar (13) is established at slide bar (13) outside surface, fixture block (11) activity block sets up inside first draw-in groove (12).

3. A flange butterfly valve with a separately replaceable valve plate according to claim 2, wherein: connecting rod (10) outside fixed surface is provided with first extrusion piece (14), valve plate (5) inside is fixed in first extrusion piece (14) one side and is provided with fixed block (15), fixed block (15) inside activity interlude is provided with kelly (16), a side surface that transfer line (4) are close to kelly (16) has seted up second draw-in groove (17), inside fixture block (11) activity block is provided with second draw-in groove (17).

4. A flange butterfly valve with a separately replaceable valve plate according to claim 3, wherein: one end of the clamping rod (16) close to the first extrusion block (14) is fixedly provided with a second extrusion block (18), and the outer side surfaces of the first extrusion block (14) and the second extrusion block (18) are mutually attached.

5. A flange butterfly valve with an individually replaceable valve plate according to claim 3, wherein: the clamp rod (16) outer side surface is fixedly provided with a limiting ring (19) on one side of the fixing block (15), and a spring is sleeved on the clamp rod (16) outer side surface between the limiting ring (19) and the fixing block (15).

6. A flange butterfly valve with a separately replaceable valve plate according to claim 1, wherein: the connecting bent pipe (2) is far away from the valve body (1) and is fixedly provided with a connecting flange (20).