CN213271060U

CN213271060U - All-metal hard-touch hard bidirectional pressure butterfly valve

Info

Publication number: CN213271060U
Application number: CN202022359373.1U
Authority: CN
Inventors: 陈孙强; 王军雄
Original assignee: Yichuang Valve Technology Co ltd
Current assignee: Yichuang Valve Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-05-25
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to an all-metal bumps two-way pressure butterfly valve firmly, be equipped with in the medium passageway with valve clack matched with movable disk seat, the dog that the annular set up is equipped with in the protrusion between movable disk seat and valve rod on medium passageway's the inner wall, movable disk seat supports and leans on one side of dog, movable disk seat keeps away from and is equipped with to the ring on one side of dog, it is equipped with the stopper to open the protrusion on the lateral wall of ring, be equipped with the recess corresponding with the stopper on medium passageway's the inner wall, run through on opening to the ring and be equipped with the hexagon socket head cap screw parallel with the medium flow direction, hexagon socket head cap screw conflict is connected on one side that the. The utility model has the advantages that: when the movable valve seat needs to be replaced, the movable valve seat can be taken out only by rotating the socket head cap screws to loosen the movable valve seat and disassembling the split rings, so that the movable valve seat is very convenient and easy to replace, disassemble and assemble.

Description

All-metal hard-touch hard bidirectional pressure butterfly valve

Technical Field

The utility model relates to the technical field of valves, in particular to all-metal bumps two-way pressure butterfly valve firmly.

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 has a closing member (a valve clack or a butterfly plate) as a disk and can rotate around a valve rod to open and close. 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 valve seat and the valve clack in the existing butterfly valve are opened and closed due to long-time rotation, friction can occur on the contact surface of the valve seat and the valve clack, so that abrasion is generated, the valve seat is easy to leak, the valve seat is generally integrally formed in a valve body, once the valve seat is abraded, the valve seat is difficult to maintain and replace, the whole valve can be replaced, the trouble is very high, and unnecessary loss and waste are caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an all-metal bumps two-way pressure butterfly valve firmly to solve above-mentioned problem.

The technical scheme of the utility model is realized like this: an all-metal hard-to-hard bidirectional pressure butterfly valve comprises a valve body with a hollow interior, a valve rod vertically penetrating through the valve body and a valve clack fixedly connected with the valve rod, a medium channel is arranged in the valve body, a movable valve seat matched with the valve clack is arranged in the medium channel, a stop block which is arranged in an annular shape is convexly arranged on the inner wall of the medium channel between the movable valve seat and the valve rod, the movable valve seat is propped against one side of the stop block, a side of the movable valve seat far away from the stop block is provided with a split ring, the outer side walls of the two opposite rings are convexly provided with limit blocks, the inner wall of the medium channel is provided with grooves corresponding to the limit blocks, the split ring is provided with an inner hexagon screw which is parallel to the medium flowing direction in a penetrating mode, the inner hexagon screw is connected to one side, away from the stop block, of the movable valve seat in a butting mode, and a valve seat gasket is arranged between the movable valve seat and the stop block.

By adopting the technical scheme, the movable valve seat and the valve clack are all sealed by metal, so that the valve seat can resist high temperature and pressure, can move so that the valve seat can float according to the pressure of a medium to ensure reverse sealing, and can realize self sealing under the pressure of the medium; the movable valve seat is fixed between the stop block and the split rings and is abutted and fixed through the inner hexagon screw, when the movable valve seat needs to be replaced, the movable valve seat can be taken out only by rotating the inner hexagon screw to loosen the movable valve seat and disassemble the split rings, and the movable valve seat is very convenient and easy to replace and disassemble.

The utility model discloses further set up to: be equipped with the filler between valve rod and the valve body, the upside of filler is equipped with the gland that the cover was established on the valve rod, gland passes through hexagon nut and bolt fastening on the valve body, there is turbine drive arrangement through the leg joint on the valve body, be connected with the hand wheel on the turbine drive arrangement, the upside and the downside of support all pass through stud respectively with turbine drive arrangement and valve body fixed connection.

By adopting the technical scheme, the packing can effectively improve the sealing property between the valve rod and the valve body, so that the valve rod and the valve body are not easy to leak; the valve clack can be driven to rotate by rotating the turbine driving device or the hand wheel, so that the valve clack is more convenient and easier to use.

The utility model discloses further set up to: and a spring washer is arranged between the stud and the bracket.

Through adopting above-mentioned technical scheme, the vibrations between stud and the support can effectual reduction of spring washer, make the connection between stud and the support inseparabler, difficult not hard up.

The utility model discloses further set up to: the valve rod is fixedly connected with the valve clack through a cylindrical pin.

Through adopting above-mentioned technical scheme, the cylindric lock makes the dismouting between valve rod and the valve clack light more, makes the change of valve rod or valve clack, maintenance convenience more.

The utility model discloses further set up to: the thickness of the stop block is smaller than that of the movable valve seat.

Through adopting above-mentioned technical scheme, make the dog can not influence the leakproofness between valve clack and the disk seat, effectual sealing stability who has improved between valve clack and the disk seat.

The utility model discloses further set up to: the inner wall of the movable valve seat is obliquely arranged, the diameter of one end, close to the split ring, of the movable valve seat is smaller than that of one end, close to the stop block, of the movable valve seat, and the outer side wall of the valve clack is obliquely arranged corresponding to the inner wall of the movable valve seat.

Through adopting above-mentioned technical scheme, make the valve clack when rotatory open and close with the laminating between the disk seat inseparabler, the leakproofness is better.

The utility model discloses further set up to: the inner wall of the stop block is obliquely arranged, and the diameter of one end, close to the movable valve seat, of the stop block is smaller than that of one end, close to the valve rod, of the stop block.

By adopting the technical scheme, the medium flows more smoothly, and the resistance is reduced.

The utility model discloses further set up to: the inner hexagon screws are annularly and equidistantly arranged around the axial lead of the split ring.

Through adopting above-mentioned technical scheme, make allen key more even to the conflict pressure of activity disk seat, the leakproofness is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a sectional view of the structure of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a in the embodiment of the present invention.

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 efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model discloses an all-metal hard-to-hard two-way pressure butterfly valve, which comprises a hollow valve body 1, a valve rod 2 vertically penetrating through the valve body 1, and a valve clack 3 fixedly connected with the valve rod 2, wherein a medium channel 18 is arranged in the valve body 1, a movable valve seat 5 matched with the valve clack 3 is arranged in the medium channel 18, a stop 19 arranged in an annular shape is convexly arranged between the movable valve seat 5 and the valve rod 2 on the inner wall of the medium channel 18, the movable valve seat 5 is abutted against one side of the stop 19, a split ring 8 is arranged on one side of the movable valve seat 5 far away from the stop 19, a stop block 20 is convexly arranged on the outer side wall of the split ring 8, a groove 21 corresponding to the stop block 20 is arranged on the inner wall of the medium channel 18, an inner hexagon screw 7 parallel to the medium flowing, the socket head cap screw 7 is connected to one side of the movable valve seat 5 away from the stop block 19 in an abutting mode, and a valve seat gasket 6 is arranged between the movable valve seat 5 and the stop block 19.

The embodiment of the utility model provides an in, be equipped with packing 9 between valve rod 2 and the valve body 1, packing 9's upside is equipped with the cover and establishes packing gland 10 on valve rod 2, packing gland 10 passes through hexagon nut 11 and bolt 12 fixes on valve body 1, be connected with turbine drive arrangement 16 through support 13 on the valve body 1, be connected with hand wheel 17 on the turbine drive arrangement 16, support 13's upside and downside all through stud 14 respectively with

turbine drive arrangement

16 and 1 fixed connection of valve body.

In the embodiment of the present invention, a spring washer 15 is disposed between the stud bolt 14 and the bracket 13.

In the embodiment of the present invention, the valve rod 2 is fixedly connected to the valve flap 3 through the cylindrical pin 4.

In the embodiment of the present invention, the thickness of the stopper 19 is smaller than the thickness of the movable valve seat 5.

In the embodiment of the present invention, the inner wall of the movable valve seat 5 is inclined, and the diameter of the end close to the split ring 8 is smaller than the diameter of the end close to the stop 19, and the outer side wall of the valve flap 3 is inclined relative to the inner wall of the movable valve seat 5.

In the embodiment of the present invention, the inner wall of the stopper 19 is inclined, and the diameter of the end close to the movable valve seat 5 is smaller than the diameter of the end close to the valve rod 2.

In the embodiment of the present invention, the socket head cap screws 7 are annularly disposed around the axial line of the double-split ring 8 at a plurality of equal distances.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an all-metal bumps two-way pressure butterfly valve firmly, includes inside hollow valve body (1), vertical valve rod (2) that run through valve body (1) and with valve rod (2) fixed connection's valve clack (3), its characterized in that: the valve is characterized in that a medium channel (18) is arranged in the valve body (1), a movable valve seat (5) matched with the valve clack (3) is arranged in the medium channel (18), a stop block (19) arranged in an annular mode is arranged between the movable valve seat (5) and the valve rod (2) in a protruding mode on the inner wall of the medium channel (18), the movable valve seat (5) is abutted against one side of the stop block (19), a split ring (8) is arranged on one side, away from the stop block (19), of the movable valve seat (5), a stop block (20) is arranged on the outer side wall of the split ring (8) in a protruding mode, a groove (21) corresponding to the stop block (20) is formed in the inner wall of the medium channel (18), an inner hexagon screw (7) parallel to the medium flowing direction penetrates through the split ring (8), and the inner hexagon screw (7) is abutted against and connected to one side, a valve seat gasket (6) is arranged between the movable valve seat (5) and the stop block (19).

2. The all-metal hard-to-hard bidirectional pressure butterfly valve according to claim 1, characterized in that: be equipped with between valve rod (2) and valve body (1) filler (9), the upside of filler (9) is equipped with gland (10) that the cover was established on valve rod (2), gland (10) are fixed on valve body (1) through hexagon nut (11) and bolt (12), be connected with turbine drive arrangement (16) through support (13) on valve body (1), be connected with hand wheel (17) on turbine drive arrangement (16), the upside and the downside of support (13) all through stud (14) respectively with turbine drive arrangement (16) and valve body (1) fixed connection.

3. The all-metal hard-to-hard two-way pressure butterfly valve according to claim 2, characterized in that: and a spring washer (15) is arranged between the stud (14) and the bracket (13).

4. The all-metal hard-to-hard bidirectional pressure butterfly valve according to claim 1, characterized in that: the valve rod (2) is fixedly connected with the valve clack (3) through a cylindrical pin (4).

5. The all-metal hard-to-hard bidirectional pressure butterfly valve according to claim 1, characterized in that: the thickness of the stop block (19) is smaller than that of the movable valve seat (5).

6. The all-metal hard-to-hard bidirectional pressure butterfly valve according to claim 1, characterized in that: the inner wall of the movable valve seat (5) is obliquely arranged, the diameter of one end, close to the split ring (8), of the movable valve seat is smaller than that of one end, close to the stop block (19), of the movable valve seat, and the outer side wall of the valve clack (3) is obliquely arranged corresponding to the inner wall of the movable valve seat (5).

7. The all-metal hard-to-hard bidirectional pressure butterfly valve according to claim 1, characterized in that: the inner wall of the stop block (19) is obliquely arranged, and the diameter of one end, close to the movable valve seat (5), of the stop block is smaller than that of one end, close to the valve rod (2).

8. The all-metal hard-to-hard bidirectional pressure butterfly valve according to claim 1, characterized in that: the inner hexagon screws (7) are annularly and equidistantly arranged around the axial lead of the split ring (8).