CN217603370U

CN217603370U - High-sealing butterfly valve

Info

Publication number: CN217603370U
Application number: CN202221561804.5U
Authority: CN
Inventors: 沈威臣; 徐其波
Original assignee: Suzhou Huagen Valve Co ltd
Current assignee: Suzhou Huagen Valve Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-10-18
Anticipated expiration: 2032-06-21

Abstract

The application discloses high leakproofness butterfly valve, relate to the relevant technical field of butterfly valve, this high leakproofness butterfly valve, which comprises a valve body, pillar and buffering support, the one end fixedly connected with lift seat of valve body is kept away from to the buffering support, the one end and the lift seat threaded connection of pillar, the one end that lift seat was kept away from to the pillar is pegged graft and is had the fixed bolster, one side of fixed bolster and the outer wall fixed connection of valve body, the connecting block has been cup jointed to the middle part symmetry of pillar, the one end of symmetric connection piece is provided with the seal valve, the one end threaded connection of valve body has fixed snap ring, the joint has the sealing ring between fixed snap ring and the valve body, the inner wall of sealing ring and the outer wall of seal valve butt each other, the both ends of valve body are provided with the flange, the fixed slot has been seted up to the even annular in surface of flange, carry on spacingly through the fixed bolster to the pillar, the pillar realizes opening and shutting of seal valve through the threaded connection of lift seat, the sealing ring passes through the laminating of sealing washer and seal valve, the leakproofness of seal valve has been improved, the practicality of high leakproofness butterfly valve is increased.

Description

High-sealing butterfly valve

Technical Field

The application relates to the technical field of butterfly valves, in particular to a high-sealing butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a 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 a closing member (a valve clack or a butterfly plate) around a valve shaft by taking a disc as a closing member.

At present, the disc in the butterfly valve directly supports with the valve frame, uses for a long time, and both have great wearing and tearing, have reduced the sealing performance of butterfly valve, so need a high leakproofness butterfly valve that has shock-absorbing function now urgently.

SUMMERY OF THE UTILITY MODEL

In order to improve the leakproofness of butterfly valve, this application provides a high leakproofness butterfly valve.

The application provides a high leakproofness butterfly valve adopts following technical scheme:

the utility model provides a high leakproofness butterfly valve, includes the valve body, peg graft there is the pillar the inside of valve body, the one end of pillar is run through valve body fixed connection buffering support, the buffering support is kept away from the one end fixedly connected with lift seat of valve body, the one end of pillar with lift seat threaded connection, the pillar is kept away from the one end of lift seat is pegged graft and is had the fixed bolster, one side of fixed bolster with the outer wall fixed connection of valve body, the connecting block has been cup jointed to the middle part symmetry of pillar, the symmetry the one end of connecting block is provided with the seal valve, the one end threaded connection of valve body has fixed snap ring, fixed snap ring with the joint has the sealing ring between the valve body, the inner wall of sealing ring with the mutual butt of outer wall of seal valve.

By adopting the technical scheme: the supporting column is limited through the fixing support, the sealing valve is opened and closed through the threaded connection of the lifting seat, the sealing ring is attached to the sealing valve, the sealing performance of the sealing valve is improved, and the practicability of the high-sealing butterfly valve is improved.

Optionally, flanges are arranged at two ends of the valve body, and fixing grooves are uniformly and annularly formed in the surfaces of the flanges.

By adopting the technical scheme: the flange improves the stability of the valve body in contact with the pipeline and facilitates the installation of the valve body.

Optionally, the sealing ring includes a clamping table which is clamped with the fixed clamping ring and the valve body, the clamping table is fixedly connected with a sealing ring, and the inner wall of the sealing ring is abutted to the sealing valve.

By adopting the technical scheme: the sealing ring and the sealing valve are mutually abutted, so that the sealing performance of the sealing valve is improved, the water pressure borne by the sealing valve is larger, the sealing valve is not easy to deviate, and the safety of the sealing valve is improved.

Optionally, one side of the fixed clamping ring is fixedly connected with a fixed table, and one end of the fixed table is clamped with the clamping tables.

By adopting the technical scheme: through the mutual joint between fixed station and the card platform, improved the connection structure stability between card platform and the fixed snap ring, make card platform non-deformable.

Optionally, one side joint of ka tai has sealed the pad, sealed pad is kept away from one side of ka tai with laminate each other between the valve body.

By adopting the technical scheme: the clamping table and the valve body are sealed by the sealing gasket to increase the sealing performance, so that the water flow is avoided as much as possible, and the use safety of the valve body is improved.

Optionally, the buffering support including with valve body fixed connection's solid fixed ring, gu the surface of solid fixed ring is pegged graft and is had the lantern ring, the inside of the lantern ring is provided with first spring, the lantern ring and gu fixed ring all cup joint in the surface of pillar, the lantern ring is kept away from gu fixed ring's one end with lift seat fixed connection, the inside of lift seat is provided with the torsional spring, the torsional spring both ends respectively fixed connection inside and the pillar in the lift seat, the pillar is alternates inside the lift seat.

By adopting the technical scheme: the lifting seat is connected with the supporting column through threads, so that the supporting column drives the sealing valve to rotate through the connecting block, and the lifting seat returns through the internal torsion spring, so that the supporting column drives the sealing valve to close through the connecting block.

Optionally, the surface of the fixing ring is fixedly connected with a sliding block, the inner wall of the lantern ring is provided with a sliding groove, and the sliding block is connected with the lantern ring in a sliding mode through the sliding groove.

By adopting the technical scheme: the sliding connection of slider and lantern ring is injectd the home range of the lantern ring, has improved the structural stability between the lantern ring and the solid fixed ring.

Optionally, the fixed bolster including with valve body fixed connection's sleeve pipe, the sleeve pipe cup joint in the surface of pillar, the pillar is close to sheathed tube one end is provided with the chuck, the one end of chuck is provided with the cover dish, the cover dish with sleeve pipe bolted connection.

By adopting the technical scheme: the sleeve supports the support column, and the sleeve disc and the sleeve support the support column through the chuck, so that the stability of the support column is improved.

Compared with the prior art, the beneficial effects of this application are:

1. the valve body is fixed through the flanges at two ends, slip through lantern ring and solid fixed ring in the buffering support along vertical direction is flexible, valve body and solid fixed ring fixed connection, support and solid fixed ring fixed connection, the support can stretch out and draw back along vertical direction on the valve body, and support and pillar threaded connection, when the drive power of rivers is greater than the torsion of torsional spring, the seal valve is driven by the rivers and takes place the rotation, can drive the pillar and take place to rotate, at this moment, the support takes place to go up and down because of threaded connection, drive power is less than the torsion of torsional spring when the rivers, the torsional spring resets, thereby drive the pillar and take place to rotate, and then make and close between seal valve and the valve body. The first spring increases the stability of the lantern ring, the sealing performance of the sealing valve is improved due to mutual abutting between the sealing ring and the sealing valve, the wear resistance of the sealing valve is improved, the water pressure borne by the sealing valve is larger, the sealing valve is not prone to shifting, the safety of the sealing valve is improved, the sleeve disc and the sleeve support the support column through the chuck, the support column is limited through the fixing support in the design, the support column is connected through the lifting seat in a threaded mode to achieve opening and closing of the sealing valve, the sealing ring is attached to the sealing ring through the sealing ring and the sealing valve, the sealing performance of the sealing valve is improved, and the practicability of the butterfly valve with high sealing performance is improved.

2. Buffering support including with valve body fixed connection's solid fixed ring, gu it has the lantern ring to peg graft on solid fixed ring's surface, the inside of the lantern ring is provided with first spring, the lantern ring all cup joints in the surface of pillar with solid fixed ring, gu fixed ring's one end and lift seat fixed connection are kept away from to the lantern ring, the inside of lift seat is provided with the torsional spring, mutual butt between the one end of torsional spring and the pillar, support the lift seat through buffering support, lantern ring and solid fixed ring's sliding connection, the lift seat makes the pillar pass through the connecting block and drives the seal valve rotation through the threaded connection with the pillar, the lift seat returns through inside torsional spring, it closes to make the pillar pass through the connecting block and drive the seal valve, first spring has increased the stability of the lantern ring, gu fixed ring's fixed surface is connected with the slider, the spout has been seted up to the inner wall of lantern ring, the slider passes through spout and lantern ring sliding connection, the sliding connection of slider and the lantern ring, the home range of the lantern ring is injectd, structural stability between the lantern ring and solid fixed ring has been improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic top cross-sectional structural view of the present application;

FIG. 3 is a schematic view of the structure at A of FIG. 2 in the present application;

fig. 4 is a front cross-sectional structural view in the present application.

Fig. 5 is a schematic structural diagram at B in fig. 3 in the present application.

Description of reference numerals: 1. a valve body; 11. a flange; 12. fixing grooves; 2. a pillar; 21. a chuck; 3. a seal ring; 31. clamping a platform; 311. a gasket; 32. a seal ring; 4. connecting blocks; 5. a sealing valve; 6. a buffer bracket; 61. a fixing ring; 611. a slider; 62. a collar; 621. a chute; 63. a first spring; 7. a lifting seat; 71. a torsion spring; 8. fixing the snap ring; 81. a fixed table; 9. a fixed bracket; 91. a sleeve; 92. and (5) sleeving a disc.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The application provides following technical scheme, please refer to fig. 1, fig. 2 and fig. 3, this high leakproofness butterfly valve, including valve body 1, valve body 1's both ends are provided with flange 11, fixed slot 12 has been seted up to flange 11's the even annular in surface, flange 11 carries out bolted connection to the pipeline of both sides through fixed slot 12, flange 11 has improved the stability of valve body 1 with the pipeline contact, valve body 1's installation has been made things convenient for, it has pillar 2 to peg graft in valve body 1's inside, 1 fixed connection buffer bracket 6 of valve body is run through to pillar 2's one end, buffer bracket 6 keeps away from valve body 1's one end fixedly connected with lift seat 7.

Referring to fig. 3, fig. 4 and fig. 5, the buffering support 6 includes a fixing ring 61 fixedly connected to the valve body 1, a collar 62 is inserted into a surface of the fixing ring 61, a first spring 63 is disposed inside the collar 62, the first spring 63, the collar 62 and the fixing ring 61 are both sleeved on a surface of the pillar 2, one end of the collar 62 away from the fixing ring 61 is fixedly connected to the lifting seat 7, a torsion spring 71 is disposed inside the lifting seat 7, two ends of the torsion spring 71 are respectively fixedly connected to the inside of the lifting seat 7 and the inside of the pillar 2, the pillar 2 is inserted into the lifting seat 7, the lifting seat 7 is supported by the buffering support 6, the collar 62 is slidably connected to the fixing ring 61, the lifting seat 7 is returned by the internal torsion spring 71, the first spring 63 increases stability of the collar 62, a sliding block 611 is fixedly connected to a surface of the fixing ring 61, a sliding groove 621 is disposed on an inner wall of the collar 62, the sliding block 611 is slidably connected to the collar 611 by the sliding groove 621, the sliding block 611 is slidably connected to the collar 62, the sliding block 611 is slidably connected to the collar 62, a range of the collar 62 is limited, and structural stability between the collar 62 and the fixing ring 61 is improved.

Referring to fig. 1, 4 and 5, one end of a support column 2 is in threaded connection with a lifting seat 7, one end of the support column 2, which is far away from the lifting seat 7, is inserted with a fixing support 9, one side of the fixing support 9 is fixedly connected with an outer wall of a valve body 1, the fixing support 9 includes a sleeve 91 fixedly connected with the valve body 1, the sleeve 91 is sleeved on the surface of the support column 2, one end of the support column 2, which is close to the sleeve 91, is provided with a chuck 21, a sleeve 92 is sleeved outside the chuck 21, the sleeve 92 is in bolted connection with the sleeve 91, the sleeve 91 supports the support column 2, the sleeve 92 and the sleeve 91 support the support column 2 through the chuck 21, so as to improve the stability of the support column 2, connecting blocks 4 are symmetrically sleeved in the middle of the support column 2, one end of the symmetrical connecting blocks 4 is provided with a sealing valve 5, one end of the valve body 1 is bolted connection with a fixing snap ring 8, a sealing ring 3 is clamped between the fixing snap ring 8 and the valve body 1, and the inner wall of the sealing ring 3 and the outer wall of the sealing ring 5 are abutted against each other.

Referring to fig. 1, 4 and 5, the sealing ring 3 includes a clamping table 31 clamped with the fixed clamping ring 8 and the valve body 1, a sealing ring 32 is fixedly connected to the clamping table 31, an inner wall of the sealing ring 32 is abutted to the sealing valve 5, the clamping table 31 is clamped with the fixed clamping ring 8 and the valve body 1, so that stability of the sealing ring 32 is improved, the sealing performance of the sealing valve 5 is improved due to the abutting of the sealing ring 32 and the sealing valve 5, so that the sealing valve 5 is subjected to a larger water pressure and is not prone to deviation, safety of the sealing valve 5 is improved, a fixing table 81 is fixedly connected to one side of the fixed clamping ring 8, one end of the fixing table 81 is clamped with the clamping table 31, the fixed clamping ring 8 is clamped with the clamping table 31, stability of a connection structure between the clamping table 31 and the fixed clamping ring 8 is improved, so that the clamping table 31 is not prone to deformation, a sealing gasket 311 is clamped to one side of the clamping table 31, one side of the sealing gasket 311 far away from the clamping table 31 is adhered to the valve body 1, the sealing gasket 311 is fixed by an internal groove, and outflow of the sealing gasket 311 is improved, and safety of the valve body 1 is improved.

The implementation principle of the high leakproofness butterfly valve of this application embodiment does:

during the use, fix valve body 1 through the flange 11 at both ends, slip through lantern ring 62 and solid fixed ring 61 in the buffering support 6 along vertical direction is flexible, valve body 1 and solid fixed ring 61 fixed connection, support 7 can stretch out and draw back along vertical direction on valve body 1, and support 7 and pillar 2 threaded connection, when the drive power of rivers is greater than torsional spring 71's torsion, seal valve 5 is driven by the rivers and takes place the rotation, can drive pillar 2 and take place to rotate, at this moment, support 7 takes place to go up and down because of threaded connection, drive power is less than the torsion of torsional spring when the rivers, the torsional spring resets, thereby drive pillar 2 and take place to rotate, and then make and close between seal valve 5 and the valve body 1. The stability of the sleeve ring 62 is increased by the first spring 63, the abrasion resistance of the sealing valve 5 is increased by the mutual abutting between the sealing ring 32 and the sealing valve 5, the sealing performance of the sealing valve 5 is also improved, the water pressure borne by the sealing valve 5 is larger and is not easy to shift, the safety of the sealing valve 5 is improved, the sleeve disc 92 and the sleeve 91 support the support column 2 through the chuck 21, the support column 2 is limited through the fixing support 9 in the design, the opening and closing of the sealing valve 5 are realized through the threaded connection of the lifting seat 7 by the support column 2, the sealing ring 3 is attached to the sealing valve 5 through the sealing ring 32, the sealing performance of the sealing valve 5 is improved, and the practicability of the butterfly valve with high sealing performance is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high leakproofness butterfly valve which characterized in that: including valve body (1), the inside of valve body (1) is pegged graft and is had pillar (2), the one end of pillar (2) is run through valve body (1) fixed connection buffering support (6), buffering support (6) are kept away from the one end fixedly connected with lift seat (7) of valve body (1), the one end of pillar (2) with lift seat (7) threaded connection, pillar (2) are kept away from the one end of lift seat (7) is pegged graft and is had fixed bolster (9), one side of fixed bolster (9) with the outer wall fixed connection of valve body (1), connecting block (4) have been cup jointed to the middle part symmetry of pillar (2), the symmetry the one end of connecting block (4) is provided with seal valve (5), the one end threaded connection of valve body (1) has fixed snap ring (8), fixed snap ring (8) with joint has sealing ring (3) between valve body (1), the inner wall of sealing ring (3) with the outer wall butt each other of sealing valve (5).

2. The high-sealability butterfly valve according to claim 1, wherein: flanges (11) are arranged at two ends of the valve body (1), and fixing grooves (12) are uniformly and annularly formed in the surfaces of the flanges (11).

3. The high-sealability butterfly valve of claim 1, wherein: sealing ring (3) including with the ka tai (31) of fixed snap ring (8) and the mutual joint of valve body (1), the fixed connection of ka tai (31) is provided with sealing washer (32), the inner wall of sealing washer (32) with mutual butt between sealing valve (5).

4. The high-sealability butterfly valve of claim 3, wherein: one side fixedly connected with fixed station (81) of fixed snap ring (8), the one end of fixed station (81) with joint each other between calorie of platform (31).

5. The high-sealability butterfly valve of claim 3, wherein: one side joint of ka tai (31) has sealed pad (311), sealed pad (311) are kept away from one side of ka tai (31) with laminate each other between valve body (1).

6. The high-sealability butterfly valve according to claim 1, wherein: buffer support (6) including with valve body (1) fixed connection's solid fixed ring (61), the surface of solid fixed ring (61) is pegged graft and is had the lantern ring (62), the inside of the lantern ring (62) is provided with first spring (63), the lantern ring (62) and solid fixed ring (61) all cup joint in the surface of pillar (2), the lantern ring (62) is kept away from the one end of solid fixed ring (61) with lift seat (7) fixed connection, the inside of lift seat (7) is provided with torsional spring (71), torsional spring (71) both ends are fixed connection respectively inside lift seat (7) and pillar (2), pillar (2) are alternates inside in lift seat (7).

7. The high-sealability butterfly valve of claim 6, wherein: the surface of the fixing ring (61) is fixedly connected with a sliding block (611), the inner wall of the sleeve ring (62) is provided with a sliding groove (621), and the sliding block (611) is connected with the sleeve ring (62) in a sliding mode through the sliding groove (621).

8. The high-sealability butterfly valve according to claim 1, wherein: the fixed bolster (9) including with valve body (1) fixed connection's sleeve pipe (91), sleeve pipe (91) cup joint in the surface of pillar (2), pillar (2) are close to the one end of sleeve pipe (91) is provided with chuck (21), the one end of chuck (21) is provided with set collar (92), set collar (92) with sleeve pipe (91) bolted connection.