CN210623608U

CN210623608U - Soft sealing butt-clamping butterfly valve

Info

Publication number: CN210623608U
Application number: CN201921384371.9U
Authority: CN
Inventors: 仝进召
Original assignee: Tianjin Yinuo Valve Industry Co Ltd
Current assignee: Tianjin Yinuo Valve Industry Co Ltd
Priority date: 2019-08-25
Filing date: 2019-08-25
Publication date: 2020-05-26
Anticipated expiration: 2029-08-25

Abstract

The utility model relates to a butterfly valve technical field specifically is a soft sealing butt clamp butterfly valve, including the connecting rod, the inboard of device main part is provided with the sealing washer, the outside of swivelling joint post is provided with the butterfly plate, the inboard of swivelling joint post is provided with built-in groove, the outside of sealing washer is provided with the fixture block, the sealing washer passes through fixture block sliding connection device main part. The device reasonable in design, change over to the threaded rod through the external board, thereby firmly fix the position of first filter screen second filter screen and swivelling joint post, the water inlet is blocked after swivelling joint post rotation in the setting of first filter screen and second filter screen is convenient for, the impurity through to in the water of pouring into at rivers filters, thereby reduce and block up the scheduling problem, and multiple alternative, also can not install the filter screen when if the liquid that circulates need not carry out filtering operation, but the fixture block buckle connecting device main part of the both sides setting of sealing washer is convenient for operate, convenient for change, and service life is prolonged.

Description

Soft sealing butt-clamping butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a soft sealing butt clamp 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 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 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. In general, in throttling, regulation and control and slurry media, the structure length is required to be short, the opening and closing speed is high, and the low-pressure cut-off (the pressure difference is small), so that a butterfly valve is recommended to be selected. Butterfly valves are used when the two-position adjustment, reduced diameter channels, low noise, cavitation and vaporization, small leakage to the atmosphere, and abrasive media are available. Throttling regulation under special working conditions, or working conditions of strict sealing, serious abrasion, low temperature (deep cooling) and the like. And a sealing plug is arranged to maintain tightness when not in operation.

However, since the sealing plug is not easily disassembled and replaced because the sealing effect is reduced after the sealing plug is used for a certain period of time, impurities may be present in the middle of the water flow, and the water is introduced through the water pipe after the valve is opened, so that a subsequent water pipe is easily blocked. Accordingly, those skilled in the art have provided a soft seal butt-clamp butterfly valve to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft sealing butt clamp 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: the utility model provides a soft sealed butterfly valve that presss from both sides, includes the connecting rod, the outside of connecting rod is provided with the rotary disk, the below of connecting rod is provided with the device main part, the inboard of device main part is provided with the sealing washer, the below of connecting rod is provided with the swivelling joint post, the outside of swivelling joint post is provided with the butterfly plate, the inboard of swivelling joint post is provided with built-in groove.

As a further aspect of the present invention: the rotary disc is a circular component, a cylinder is arranged on the inner side of the rotary disc, the rotary disc is connected with a connecting rod through the cylinder, a small hole is formed in the position, corresponding to the device main body, of the connecting rod, and the rotary connecting column is connected with the connecting rod through the device main body.

As a further aspect of the present invention: the device comprises a device body and is characterized in that a built-in groove which is the same as the outer diameter of a sealing ring is formed in the inner side of the device body, the sealing ring is arranged in the device body, two clamping blocks are arranged on the outer side of the sealing ring, and the two clamping blocks are respectively arranged on two side edges of the outer surface of the sealing ring.

As a further aspect of the present invention: the fixture block is provided with a groove corresponding to the main body of the device, the groove is as high as the fixture block, a chute is arranged in the center of the groove, a fixed block is arranged on the inner side of the chute, and a small hole matched with the outer diameter of the fixed block is formed in the fixture block.

As a further aspect of the present invention: the fixture block passes through fixed block sliding connection spout, the sealing washer passes through fixture block sliding connection device main part, the sealing washer is the component of a rubber material cavity cylindrical material.

As a further aspect of the present invention: the built-in groove is provided with two altogether, arranges the swivelling joint post inboard in perpendicularly with the butterfly plate respectively, the outside in built-in groove is provided with external board, the inboard of external board is provided with the threaded rod, the threaded rod is provided with two sets ofly altogether, arranges the inboard upper and lower extreme of two external boards in respectively and just with external board threaded connection.

As a further aspect of the present invention: the inboard of built-in groove is provided with the connecting block, the connecting block is provided with two altogether, one the outside of connecting block is provided with the second filter screen, one the outside of connecting block is provided with first filter screen, the connecting block is the same component of big or small shape with first filter screen, the built-in groove is connected through the connecting block with first filter screen to the second filter screen.

Compared with the prior art, the beneficial effects of the utility model are that: the device is reasonable in design, the connecting blocks are arranged in the built-in grooves, the two sides of the connecting blocks are simultaneously provided with the built-out plates, the first filter screen and the second filter screen can be conveniently and stably shaken and fall off under the action of water-proof flow, the threaded rod is rotated in through the built-out plates, the positions of the first filter screen, the second filter screen and the rotary connecting column are firmly fixed, the arrangement of the first filter screen and the second filter screen is convenient for blocking a water inlet after the first filter screen and the second filter screen rotate through the rotary connecting column, impurities in water can be filtered through the water flow during the water flow injection, the blockage and the like can be reduced, and the device has multiple selectivity, the first filter screen and the second filter screen can be omitted if the circulating liquid does not need to be filtered, the clamping blocks arranged on the two sides of the sealing ring can be clamped and connected with the device main body for convenient operation, thereby improving the sealing performance and prolonging the service life.

Drawings

FIG. 1 is a schematic structural diagram of a soft seal butt-clamping butterfly valve;

FIG. 2 is a schematic structural view of a seal plug buckle in a soft seal butt-clamping butterfly valve;

fig. 3 is a schematic structural diagram of a filter screen connecting device in a soft seal butt-clamping butterfly valve.

In the figure: 1. a connecting rod; 2. rotating the disc; 3. a device main body; 4. a seal ring; 5. a butterfly plate; 6. a first filter screen; 7. a clamping block; 8. a fixed block; 9. a chute; 10. a threaded rod; 11. an external plate; 12. connecting blocks; 13. a built-in groove; 14. a second filter screen; 15. and (4) rotating the connecting column.

Detailed Description

Please refer to fig. 1 ~ 3, in the embodiment of the utility model, a soft seal butt clamp butterfly valve, including connecting rod 1, the outside of connecting rod 1 is provided with rotary disk 2, the below of connecting rod 1 is provided with device main part 3, the inboard of device main part 3 is provided with sealing washer 4, the below of connecting rod 1 is provided with spliced pole 15, spliced pole 15's the outside is provided with butterfly plate 5, spliced pole 15's inboard is provided with built-in groove 13, rotary disk 2 is the annular component of a circle, rotary disk 2's inboard is provided with the cylinder, connecting rod 1 is connected through the cylinder to rotary disk 2, connecting rod 1 has seted up the aperture corresponding to device main part 3 department, spliced pole 15 passes through device main part 3 and connects connecting rod 1.

In fig. 2: the inner side of the device main body 3 is provided with a built-in groove with the same size as the outer diameter of the sealing ring 4, the sealing ring 4 is arranged inside the device main body 3, the outer side of the sealing ring 4 is provided with two clamping blocks 7 which are respectively arranged at two side edges of the outer surface of the sealing ring 4, the clamping block 7 is provided with a groove corresponding to the device main body 3, the height of the groove is the same as that of the clamping block 7, the inner center of the groove is provided with a chute 9, the inner side of the chute 9 is provided with a fixed block 8, the clamping block 7 is internally provided with a small hole with the same outer diameter as the fixed block 8, the clamping block 7 is in sliding connection with the chute 9 through the fixed block 8, the sealing ring 4 is in sliding connection with the device main body 3 through the clamping block 7, the sealing ring 4 is a component made, the simple replacement operation is beneficial to replacing the worn sealing ring 4, thereby improving the sealing property and prolonging the service life.

In fig. 3: the two built-in grooves 13 are respectively and vertically arranged at the inner side of a rotary connecting column 15 together with the butterfly plate 5, the outer side of the built-in groove 13 is provided with the built-out plates 11, the inner side of the built-out plates 11 is provided with threaded rods 10, the two threaded rods 10 are respectively arranged in two groups and are respectively arranged at the upper and lower ends of the inner sides of the two built-out plates 11 and are in threaded connection with the external plates 11, the inner side of the built-in groove 13 is provided with connecting blocks 12, the two connecting blocks 12 are respectively arranged at the outer side of one connecting block 12, the outer side of one connecting block 12 is provided with a first filter screen 6, the connecting block 12 and the first filter screen 6 are members with the same size and shape, the second filter screen 14 and the first filter screen 6 are connected with the built-in groove 13 through the connecting blocks 12, the first filter screen 6 and the second filter screen 14 are respectively inserted into the built-in grooves 13 formed in the rotary connecting column 15, first filter screen 6 and second filter screen 14 produce to rock and drop under being stable with the impulse of rivers, thereby change over to threaded rod 10 again through external board 11, thereby firmly fix the position of first filter screen 6 second filter screen 14 and swivelling joint post 15, first filter screen 6 is convenient for block the water inlet after rotating through swivelling joint post 15 with setting up of second filter screen 14, the impurity through to in the water of pouring into at rivers filters, thereby reduce and block up the scheduling problem.

The utility model discloses a theory of operation is: the rotary disc 2 is rotated, the rotary disc 2 rotates inside to drive the rotary connecting column 15 in the device main body 3 at the inner lower part of the connecting rod 1, two ends of the rotary connecting column 15 are connected with the butterfly plates 5, the rotary connecting column 15 and the butterfly plates 5 start to rotate along with the rotation of the connecting rod 1, when the butterfly valve is used in a water pipe, the first filter screen 6 and the second filter screen 14 can be respectively inserted into the built-in grooves 13 formed in the rotary connecting column 15 through the connecting blocks 12 at the inner sides, the connecting blocks 12 are arranged in the built-in grooves 13, the external plates 11 are simultaneously arranged at two sides of the connecting blocks 12, the first filter screen 6 and the second filter screen 14 are convenient to shake and fall off under the impact of water flow, the threaded rod 10 is further rotated to the external plates 11, so that the positions of the first filter screen 6, the second filter screen 14 and the rotary connecting column 15 are firmly fixed, the first filter screen 6 and the second filter screen 14 are convenient, the impurity of going into through in the water of rivers pouring into filters, thereby reduce and block up the scheduling problem, also can first filter screen 6 when the liquid that passes through need not filter and dismantle with second filter screen 14 and do not install down, the outside of butterfly plate 5 is provided with sealing washer 4, after using a period, can locate the roll-off with the spout 9 in the 7 follow device main parts 3 of the fixture block at sealing washer 4 both ends, change, sealing washer 4 after the change is slipping in buckle connecting device main part 3 through spout 9, keep firm stability, simple and convenient change operation is favorable to changing the sealing washer 4 of wearing and tearing down, thereby improve the leakproofness.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a soft sealed butt clamp butterfly valve, includes connecting rod (1), its characterized in that, the outside of connecting rod (1) is provided with rotary disk (2), the below of connecting rod (1) is provided with device main part (3), the inboard of device main part (3) is provided with sealing washer (4), the below of connecting rod (1) is provided with swivelling joint post (15), the outside of swivelling joint post (15) is provided with butterfly plate (5), the inboard of swivelling joint post (15) is provided with built-in groove (13).

2. The soft seal butt-clamping butterfly valve according to claim 1, wherein the rotary disk (2) is a circular ring-shaped member, a cylinder is arranged on the inner side of the rotary disk (2), the rotary disk (2) is connected with the connecting rod (1) through the cylinder, the connecting rod (1) is provided with a small hole corresponding to the device body (3), and the rotary connecting column (15) is connected with the connecting rod (1) through the device body (3).

3. The soft seal butt-clamping butterfly valve according to claim 1, wherein an inner groove having the same size as the outer diameter of the seal ring (4) is formed in the inner side of the device body (3), the seal ring (4) is arranged in the device body (3), two clamping blocks (7) are arranged on the outer side of the seal ring (4), and the two clamping blocks (7) are respectively arranged on two side edges of the outer surface of the seal ring (4).

4. The soft seal butt-clamping butterfly valve according to claim 3, wherein a groove is formed in the position, corresponding to the device body (3), of the fixture block (7), the groove is as high as the fixture block (7), a sliding groove (9) is formed in the center of the groove, a fixing block (8) is arranged on the inner side of the sliding groove (9), and a small hole matched with the outer diameter of the fixing block (8) is formed in the fixture block (7).

5. A soft seal butt clamp butterfly valve according to claim 4, wherein the fixture block (7) is slidably connected to the sliding groove (9) through the fixture block (8), the seal ring (4) is slidably connected to the device body (3) through the fixture block (7), and the seal ring (4) is a hollow cylindrical member made of rubber.

6. The soft seal butt-clamping butterfly valve according to claim 1, wherein there are two built-in grooves (13) respectively vertically arranged inside the rotary connecting column (15) with the butterfly plate (5), the outer side of the built-in grooves (13) is provided with the external plates (11), the inner side of the external plates (11) is provided with the threaded rods (10), the threaded rods (10) are arranged in two groups respectively arranged on the upper and lower ends of the inner sides of the two external plates (11) and in threaded connection with the external plates (11).

7. The soft seal butt-clamping butterfly valve according to claim 6, wherein two connecting blocks (12) are arranged on the inner side of the built-in groove (13), a second filter screen (14) is arranged on the outer side of one connecting block (12), a first filter screen (6) is arranged on the outer side of the other connecting block (12), the connecting blocks (12) and the first filter screen (6) are members with the same size and shape, and the second filter screen (14) and the first filter screen (6) are connected with the built-in groove (13) through the connecting blocks (12).