CN217762093U

CN217762093U - Two-way hard seal butterfly valve

Info

Publication number: CN217762093U
Application number: CN202220783865.XU
Authority: CN
Inventors: 钱琪升; 陈永辉; 陆一华; 张红春
Original assignee: Qidong Yong'an Valve Co ltd
Current assignee: Qidong Yong'an Valve Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-11-08
Anticipated expiration: 2032-04-07

Abstract

The utility model provides a two-way butterfly valve sealed firmly relates to butterfly valve sealed firmly technical field. Two-way butterfly valve sealed firmly includes the disk seat, disk seat one side is connected with the clamping ring, still includes: and a hard sealing ring is clamped between the valve seat and the pressing ring and at a position close to the outer ring surface, and a propping assembly is embedded between the valve seat and the pressing ring and at a position close to the inner ring surface. The utility model provides a two-way hard seal butterfly valve has and sets up between disk seat and clamping ring and support tight subassembly, and because support the elastic deformation's that spring self in the tight subassembly has performance, therefore, when disk seat and clamping ring pass through bolt threaded connection, the tank bottom of first circular slot and the tank bottom of second circular slot can extrude the spring, can make the spring exert a reverse effort to disk seat and clamping ring, thereby make and be connected between disk seat and clamping ring and the bolt compacter, and then can avoid appearing the clearance between disk seat and the clamping ring, make hard sealing ring fix more firm advantage between disk seat and clamping ring.

Description

Two-way hard seal butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field sealed firmly especially relates to two-way butterfly valve sealed firmly.

Background

The hard sealing butterfly valve is also called flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline medium. The hard sealing butterfly valve mainly plays the roles of cutting off and throttling 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. The hard sealing butterfly valve is suitable for pipelines for conveying various corrosive and non-corrosive fluid media in producer furnaces, coal gas, steam, natural gas, urban coal gas, cold and hot air, chemical smelting engineering and power generation environment-friendly systems, and is used for regulating and cutting off the flow of the media. The hard seal butterfly valve can be divided into a manual hard seal butterfly valve, a pneumatic hard seal butterfly valve and an electric hard seal butterfly valve.

When current hard sealing ring is fixed in between disk seat and the clamping ring, adopt the bolt for fixed structure mostly, and when the butterfly valve rotated and was in the closure state, because the material impact in the pipeline probably can make the junction on bolt and disk seat and the clamping ring appear not hard up the condition to lead to having certain clearance between disk seat and the clamping ring, make hard sealing ring fixed firm inadequately between the two.

Therefore, there is a need to provide a new bidirectional butterfly valve with hard seal to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a two-way butterfly valve sealed firmly.

The utility model provides a two-way butterfly valve sealed firmly includes: the disk seat, disk seat one side is connected with the clamping ring, still includes: and a hard sealing ring is clamped between the valve seat and the pressing ring and at a position close to the outer ring surface, and a propping assembly is embedded between the valve seat and the pressing ring and at a position close to the inner ring surface.

Preferably, an annular clamping groove is formed in a position, close to the outer annular surface, on one side of the valve seat, and the hard sealing ring is located in the annular clamping groove.

Preferably, a plurality of first circular grooves which are uniformly distributed are formed in the position, close to the inner ring surface, on one side of the valve seat, and the abutting assembly is embedded in the first circular grooves.

Preferably, the abutting assembly comprises a fixed disc, the fixed disc is located in the first circular groove, one end of the fixed disc is attached to the bottom of the first circular groove, the other end of the fixed disc is fixedly connected with a spring, the other end of the spring is fixedly connected with a rubber disc, and the rubber disc is embedded with the pressing ring.

Preferably, a plurality of second circular grooves which are distributed at equal intervals are formed in one side of the pressing ring, and the rubber disc is embedded with the second circular grooves.

Preferably, one end of the fixed disc, which is attached to the first circular groove, is fixedly connected with a limiting clamping block, a limiting clamping groove is formed in the bottom of the first circular groove, and the limiting clamping block is matched with the limiting clamping groove.

Preferably, the thread groove that a plurality of equidistance distributes is seted up to disk seat one side, the thread groove is located two between the first circular slot, set up the through-hole that a plurality of equidistance distributes on the clamping ring, the through-hole is located two between the second circular slot, thread groove female connection has the bolt, the bolt run through the through-hole and with thread groove threaded connection.

Compared with the prior art, the utility model provides a two-way butterfly valve sealed firmly has following beneficial effect:

1. the utility model provides a two-way hard seal butterfly valve, set up between disk seat and clamping ring and support tight subassembly, and because support the elastic deformation's that spring self in the tight subassembly has performance, therefore, when disk seat and clamping ring pass through bolt threaded connection, the tank bottom of first circular slot and the tank bottom of second circular slot can extrude the spring, can make the spring exert a reverse effort to disk seat and clamping ring, thereby make and be connected between disk seat and clamping ring and the bolt compacter, and then can avoid appearing the clearance between disk seat and the clamping ring, make hard seal ring fix more firmly between disk seat and clamping ring.

2. The utility model provides a two-way hard seal butterfly valve because spacing fixture block and spacing draw-in groove are quadrangle structure, consequently, when spacing fixture block and spacing draw-in groove joint, can make fixed disc more firm in first circular slot gomphosis, improved the compactedness of connecting between the two simultaneously for it is higher to support tight subassembly gomphosis in disk seat internal stability.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a bidirectional hard seal butterfly valve provided by the present invention;

fig. 2 is a schematic structural view of the explosion shown in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the pressing ring of the present invention;

fig. 4 is a partial sectional structural schematic view of the valve seat according to the present invention;

fig. 5 is a schematic structural view of the fastening assembly of the present invention.

Reference numbers in the figures: 1. a valve seat; 2. a hard seal ring; 3. pressing a ring; 4. a bolt; 5. a first circular groove; 6. a second circular groove; 7. a propping component; 71. fixing the disc; 72. a spring; 73. a rubber disc; 8. a limiting clamping block; 9. limiting clamping grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a bidirectional butterfly valve with hard seal, which includes:

disk seat

1, 1 one side of disk seat is connected with clamping ring 3, still includes: a hard sealing ring 2 is clamped between the valve seat 1 and the pressing ring 3 and at a position close to the outer ring surface, and a propping component 7 is embedded between the valve seat 1 and the pressing ring 3 and at a position close to the inner ring surface.

It should be noted that: set up between disk seat 1 and clamping ring 3 and support tight subassembly 7, and because support the elastic deformation's that spring 72 self in the subassembly 7 has the performance, consequently, when disk seat 1 and clamping ring 3 pass through bolt 4 threaded connection, the tank bottom of first circular slot 5 and the tank bottom of second circular slot 6 can extrude spring 72, can make spring 72 exert a reverse effort to disk seat 1 and clamping ring 3, thereby make disk seat 1 and clamping ring 3 and be connected between the bolt 4 compacter, and then can avoid appearing the clearance between disk seat 1 and the clamping ring 3, make hard sealing ring 2 fixed more firm between disk seat 1 and clamping ring 3.

In an embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a circular clamping groove is disposed at a position close to the outer annular surface at one side of the valve seat 1, the hard sealing ring 2 is located in the circular clamping groove, a plurality of first circular grooves 5 are disposed at a position close to the inner annular surface at one side of the valve seat 1, and the abutting assembly 7 is embedded in the first circular grooves 5;

the abutting assembly 7 comprises a fixed disc 71, the fixed disc 71 is positioned in the first circular groove 5, one end of the fixed disc 71 is attached to the bottom of the first circular groove 5, the other end of the fixed disc 71 is fixedly connected with a spring 72, the other end of the spring 72 is fixedly connected with a rubber disc 73, and the rubber disc 73 is embedded with the pressing ring 3;

a plurality of second circular grooves 6 which are distributed at equal intervals are formed in one side of the pressing ring 3, and the rubber disc 73 is embedded with the second circular grooves 6;

a plurality of equidistantly distributed thread grooves are formed in one side of the valve seat 1 and are positioned between the two first circular grooves 5, a plurality of equidistantly distributed through holes are formed in the pressing ring 3 and are positioned between the two second circular grooves 6, bolts 4 are connected to the thread grooves in an internal thread mode, and the bolts 4 penetrate through the through holes and are in threaded connection with the thread grooves;

it should be noted that: when the device is installed, a worker clamps the hard sealing ring 2 with the annular clamping groove on the valve seat 1, then the fixed disc 71 in the abutting component 7 is embedded with the first circular groove 5, at the moment, one end of the spring 72 in the abutting component 7 is located in the first circular groove 5, the other parts are located outside the first circular groove 5, then the worker embeds the second circular groove 6 on the pressing ring 3 with the rubber disc 73 in the abutting component 7, at the moment, the other end of the spring 72 is located in the second circular groove 6, because the spring 72 in the abutting component 7 has elastic deformation performance, when the worker pushes the pressing ring 3 towards the valve seat 1, the spring 72 is converted into a compression state from a relaxation state, so that half of the spring 72 is located in the first circular groove 5, and half of the spring is located in the second circular groove 6, then the worker enables the bolt 4 to penetrate through a through hole formed in the pressing ring 3 and be in threaded connection with a threaded groove formed in the valve seat 1, and the spring 72 forms a tight installation force between the pressing ring 3 and the valve seat 1, and the abutting device is completed.

In an embodiment of the present invention, please refer to fig. 4 and 5, a limiting clamping block 8 is fixedly connected to one end of the fixed disc 71, which is attached to the first circular groove 5, a limiting clamping groove 9 is formed at the bottom of the first circular groove 5, and the limiting clamping block 8 is adapted to the limiting clamping groove 9;

it should be noted that: when the fixed disc 71 is embedded with the first circular groove 5, the limiting clamping block 8 connected to the fixed disc 71 is clamped with the limiting clamping groove 9 formed in the bottom of the first circular groove 5, so that the abutting assembly 7 has a certain limiting effect in the valve seat 1;

it should also be noted that: because spacing fixture block 8 and spacing draw-in groove 9 are quadrangle structure, consequently, when spacing fixture block 8 and spacing draw-in groove 9 joint, can make fixed disc 71 in first circular slot 5 gomphosis more firm, improved the compactness of being connected between the two simultaneously for it is higher to support tight subassembly 7 gomphosis in disk seat 1 internal stability.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. Two-way butterfly valve sealed firmly, including disk seat (1), disk seat (1) one side is connected with clamping ring (3), its characterized in that still includes: and a hard sealing ring (2) is clamped between the valve seat (1) and the pressing ring (3) and at a position close to the outer ring surface, and a propping component (7) is embedded between the valve seat (1) and the pressing ring (3) and at a position close to the inner ring surface.

2. The bidirectional hard seal butterfly valve according to claim 1, wherein a ring-shaped clamping groove is formed at a position on one side of the valve seat (1) and close to the outer ring surface, and the hard seal ring (2) is positioned in the ring-shaped clamping groove.

3. The bidirectional hard seal butterfly valve according to claim 2, wherein a plurality of first circular grooves (5) are uniformly distributed at a position on one side of the valve seat (1) and close to the inner annular surface, and the abutting component (7) is embedded in the first circular grooves (5).

4. The bidirectional hard seal butterfly valve according to claim 3, wherein the abutting assembly (7) comprises a fixed disk (71), the fixed disk (71) is located in the first circular groove (5), one end of the fixed disk (71) is attached to the bottom of the first circular groove (5), the other end of the fixed disk (71) is fixedly connected with a spring (72), the other end of the spring (72) is fixedly connected with a rubber disk (73), and the rubber disk (73) is embedded with the pressing ring (3).

5. A bidirectional hard seal butterfly valve according to claim 4, characterized in that one side of the pressing ring (3) is provided with a plurality of second circular grooves (6) which are distributed at equal intervals, and the rubber disc (73) is embedded with the second circular grooves (6).

6. The bidirectional hard seal butterfly valve according to claim 5, wherein a limiting clamping block (8) is fixedly connected to one end of the fixed disk (71) attached to the first circular groove (5), a limiting clamping groove (9) is formed in the bottom of the first circular groove (5), and the limiting clamping block (8) is matched with the limiting clamping groove (9).

7. A two-way hard seal butterfly valve according to claim 6, characterized in that a plurality of equally spaced thread grooves are formed on one side of the valve seat (1), the thread grooves are located between two first circular grooves (5), a plurality of equally spaced through holes are formed on the pressing ring (3), the through holes are located between two second circular grooves (6), a bolt (4) is connected in the thread grooves in a threaded manner, and the bolt (4) penetrates through the through holes and is in threaded connection with the thread grooves.