CN214743390U

CN214743390U - Silt-proof butterfly valve

Info

Publication number: CN214743390U
Application number: CN202120207287.0U
Authority: CN
Inventors: 马治强; 蔡齐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-16
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a silt-proof butterfly valve, which comprises a valve pipe, wherein the valve pipe is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a valve plate, one side of the valve pipe is provided with a filter pipe, the filter pipe is slidably connected with a connecting plate, the connecting plate is provided with a mounting ring, and the mounting ring is provided with a first filter screen; connecting plate top fixedly connected with kicking block, kicking block both ends are equipped with first draw-in groove, and the equal fixedly connected with of filter tube both sides lateral wall articulates there is the hinge bar, hinge bar fixedly connected with fixture block, fixture block and first draw-in groove joint. When the utility model is used, the connecting plate is moved upwards, so that the mounting ring and the first filter screen are disassembled, the filter pipes are normally circulated through the cooperation of the connecting plate and the filter pipes, the normal use of the pipeline is not influenced, and the pipeline is not required to be disassembled when the first filter screen is replaced, thereby facilitating the disassembly and the installation of workers; the connecting plate is moved upwards, so that the clamping blocks are clamped into the second clamping grooves, and the connecting plate is convenient to place when the first filter screen is replaced.

Description

Silt-proof butterfly valve

Technical Field

The utility model relates to a butterfly valve specifically is a prevent silt type butterfly valve.

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 with a closing member which is a disc and rotates around a valve shaft to open and close. 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 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.

Current butterfly valve is installed filter equipment at the water inlet usually, and filter equipment filters for a long time and needs to be changed or wash, but when current filter equipment dismantles, needs to close the pipeline earlier and dismantle the pipeline, influences pipeline normal use, and the pipeline dismantles trouble, and inconvenient staff's operation. Therefore, the utility model provides a prevent silt type butterfly valve to solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent silt type 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:

a silt-proof butterfly valve comprises a valve pipe, wherein the valve pipe is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a valve plate, a filter pipe is arranged on one side of the valve pipe, the filter pipe is slidably connected with a connecting plate, the connecting plate is provided with a mounting ring, and the mounting ring is provided with a first filter screen;

connecting plate top fixedly connected with kicking block, kicking block both ends are equipped with first draw-in groove, and the equal fixedly connected with of filter tube both sides lateral wall articulates there is the hinge rod articulated, is equipped with torsion spring in the hinge rod, hinge rod fixedly connected with fixture block, fixture block and first draw-in groove joint.

As a further scheme of the utility model, kicking block top fixedly connected with handle, hinge bar fixedly connected with clamp plate.

As the utility model discloses further scheme again, the clamp plate is equipped with the link, the equal fixedly connected with couple of filter tube both sides lateral wall.

As the utility model discloses scheme further again, connecting plate both sides lateral wall all is equipped with the second draw-in groove, fixture block and second draw-in groove joint.

As the utility model discloses scheme further again, the kicking block lower surface is equipped with the upper seal strip, and the connecting plate lower extreme is equipped with the bottom suspension fagging.

As a further scheme of the utility model, be equipped with reserve filter tube between valve pipe and the filter tube, reserve filter tube is equipped with the second filter screen.

The utility model has the advantages that:

1. the connecting plate is moved upwards, so that the mounting ring and the first filter screen are dismounted, the filter pipe is normally circulated through the matching of the connecting plate and the filter pipe, the normal use of the pipeline is not influenced, and the pipeline is not required to be dismounted when the first filter screen is replaced, so that the dismounting and mounting of workers are facilitated;

2. the connecting plate is moved upwards, so that the clamping block is clamped in the second clamping groove, and the connecting plate is convenient to place when the first filter screen is replaced; the upper sealing strip and the lower sealing strip improve the sealing effect of the connecting plate and the filter pipe;

3. when the pressing plate is pressed, the hanging ring is hung on the hook, and the pressing plate and the hinge rod are limited;

4. after the first filter screen is disassembled, the second filter screen plays a temporary filtering role.

Drawings

Fig. 1 is a schematic structural diagram of a silt-proof butterfly valve.

Fig. 2 is a sectional view of a filter tube in a silt-proof butterfly valve.

Fig. 3 is a connection diagram of a hinge rod and a torsion spring in a silt-proof butterfly valve.

Fig. 4 is a diagram illustrating a state that the first filter screen is separated from the filter pipe in the silt-proof butterfly valve.

In the figure: 1. a valve tube; 2. a filter tube; 3. a rotating shaft; 4. a valve plate; 5. a first filter screen; 6. a mounting ring; 7. a lower sealing strip; 8. a connecting plate; 9. a top block; 10. a handle; 11. a hinged lever; 12. a hinged seat; 13. a clamping block; 14. a first card slot; 15. pressing a plate; 16. hanging a ring; 17. hooking; 18. sealing strips are arranged; 19. a second card slot; 20. a spare filter pipe; 21. a second filter screen; 22. a torsion spring.

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 4, in an embodiment of the present invention, a silt-proof butterfly valve includes a valve tube 1, the valve tube 1 is rotatably connected to a rotating shaft 3, the rotating shaft 3 is fixedly connected to a valve plate 4, a filter tube 2 is disposed on one side of the valve tube 1, the filter tube 2 is slidably connected to a connecting plate 8, the connecting plate 8 is provided with a mounting ring 6, and the mounting ring 6 is provided with a first filter screen 5;

the top end of the connecting plate 8 is fixedly connected with a top block 9, the top end of the top block 9 is fixedly connected with a handle 10, two ends of the top block 9 are provided with first clamping grooves 14, side walls on two sides of the filter tube 2 are fixedly connected with hinge seats 12, the hinge seats 12 are hinged with hinge rods 11, torsion springs 22 are arranged in the hinge rods 11, the hinge rods 11 are fixedly connected with pressing plates 15, the pressing plates 15 are provided with hanging rings 16, side walls on two sides of the filter tube 2 are fixedly connected with hooks 17, the hinge rods 11 are fixedly connected with clamping blocks 13, the clamping blocks 13 are clamped with the first clamping grooves 14, side walls on two sides of the connecting plate 8 are provided with second clamping grooves 19, the clamping blocks 13 are clamped with the second clamping grooves 19, the lower surface of the top block 9 is provided with an upper sealing strip 18, and the lower end of the connecting plate 8 is provided with a lower sealing strip 7;

a standby filter pipe 20 is arranged between the valve pipe 1 and the filter pipe 2, and the standby filter pipe 20 is provided with a second filter screen 21.

The utility model discloses a theory of operation is:

silt in water is filtered through the first filter screen 5, when the first filter screen 5 is disassembled, the two pressing plates 15 are extruded to drive the hinge rod 11 and the fixture block 13 to rotate, the fixture block 13 is separated from the first clamping groove 14, the handle 10 is pulled to drive the ejector block 9 and the connecting plate 8 to ascend, so that the mounting ring 6 and the first filter screen 5 are driven to move upwards, when the first filter screen 5 is completely separated from the filter pipe 2, the mounting ring 6 is disassembled, through the method, the connecting plate 8 moves upwards, so that the mounting ring 6 and the first filter screen 5 are disassembled, the filter pipe 2 is normally circulated through the matching of the connecting plate 8 and the filter pipe 2, the normal use of the pipeline is not influenced, the pipeline does not need to be disassembled when the first filter screen 5 is replaced, and the disassembly and the installation of workers are convenient;

the connecting plate 8 is moved upwards, so that the clamping block 13 is clamped in the second clamping groove 19, and the connecting plate 8 is convenient to place when the first filter screen 5 is replaced; the upper sealing strip 18 and the lower sealing strip 7 improve the sealing effect of the connecting plate 8 and the filter pipe 2;

when the pressing plate 15 is pressed, the hanging ring 16 is hung on the hook 17 to limit the pressing plate 15 and the hinge rod 11;

after the first filter 5 is detached, the second filter 21 performs a temporary filtering function.

The above, 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. A silt-proof butterfly valve comprises a valve pipe (1), and is characterized in that the valve pipe (1) is rotatably connected with a rotating shaft (3), the rotating shaft (3) is fixedly connected with a valve plate (4), a filter pipe (2) is arranged on one side of the valve pipe (1), the filter pipe (2) is slidably connected with a connecting plate (8), a mounting ring (6) is mounted on the connecting plate (8), and the mounting ring (6) is provided with a first filter screen (5);

connecting plate (8) top fixedly connected with kicking block (9), kicking block (9) both ends are equipped with first draw-in groove (14), and the equal fixedly connected with of filter tube (2) both sides lateral wall articulates seat (12), and articulated seat (12) articulate has articulated rod (11), is equipped with torsion spring (22) in articulated rod (11), and articulated rod (11) fixedly connected with fixture block (13), fixture block (13) and first draw-in groove (14) joint.

2. A silt-proof butterfly valve according to claim 1, characterised in that a handle (10) is fixedly connected to the top of the top block (9), and a pressure plate (15) is fixedly connected to the hinge rod (11).

3. The silt-proof butterfly valve according to claim 2, wherein the pressure plate (15) is provided with a hanging ring (16), and hooks (17) are fixedly connected to both side walls of the filter pipe (2).

4. The silt-proof butterfly valve according to claim 1, wherein the side walls of the connecting plate (8) are provided with second locking grooves (19), and the locking blocks (13) are locked with the second locking grooves (19).

5. The butterfly valve according to claim 1, characterised in that the lower surface of the top block (9) is provided with an upper sealing strip (18) and the lower end of the connecting plate (8) is provided with a lower sealing strip (7).

6. A silt-proof butterfly valve according to claim 1, wherein a spare filter pipe (20) is provided between the valve pipe (1) and the filter pipe (2), the spare filter pipe (20) being provided with a second filter screen (21).