CN220470647U

CN220470647U - Electric butt welding three-eccentric butterfly valve

Info

Publication number: CN220470647U
Application number: CN202322113972.9U
Authority: CN
Inventors: 王忠植; 田宏全
Original assignee: Zhejiang Fenggong Valve Technology Co ltd
Current assignee: Zhejiang Fenggong Valve Technology Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-09
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to an electric butt welding triple eccentric butterfly valve, which aims to solve the technical problem that the installation efficiency of a sealing element of the conventional butterfly valve is low, connecting rods are fixedly installed in the side edges of a reinforcing plate, the number of the connecting rods is four, the connecting rods penetrate through and are slidably installed in a butterfly plate, hollow frames are fixedly installed on the surfaces of two ends of one side of the butterfly plate, which is far away from the reinforcing plate, the top ends of the side edges of the connecting rods are slidably installed in the hollow frames, pushing blocks are fixedly installed on one end surface of each connecting rod, which is far away from the reinforcing plate, and the pushing blocks are positioned in the hollow frames.

Description

Electric butt welding three-eccentric butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to an electric butt welding triple offset butterfly valve.

Background

The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media.

According to chinese published patent (publication No. CN207648152U "), a butt welding type triple eccentric hard seal butterfly valve is known, which comprises a valve body and a valve rod, the valve rod is movably inserted on the valve body, worm gear is installed on the top of valve rod, worm gear is connected with the valve rod transmission, the gland is installed on the top of valve body, and the top of gland is equipped with the support, the top inside of valve body is equipped with the filler with the valve body contact department, and the filler runs through the gland and extends to the valve body, the valve body is located the inside of valve body and has the butterfly plate through pivot fixed mounting, the butterfly plate has the clamping ring through screw fixed mounting, the butterfly plate with be equipped with the sealing washer between the valve body, the tail of valve body is installed to the tail cap. According to the butt welding type triple eccentric hard sealing butterfly valve, the packing seal made of flexible graphite is adopted at the contact position of the top end of the valve body and the valve rod, and the inclined surface of the butterfly plate, which is in contact with the valve body, is sealed by adopting the sealing ring made of the asbestos plate. For this reason, new solutions need to be designed to solve.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide an electric butt welding triple offset butterfly valve so as to solve the technical problem of low installation efficiency of a sealing element of the current butterfly valve.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the electric butt welding triple eccentric butterfly valve comprises a valve shell, wherein a butterfly plate is rotatably arranged in the valve shell, and a reinforcing plate is detachably arranged on the side surface of the butterfly plate through a reinforcing screw;

the connecting rods are fixedly arranged in the side edges of the reinforcing plate, the number of the connecting rods is four, the connecting rods penetrate through the inside of the butterfly plate and are slidably arranged in the butterfly plate, hollow frames are fixedly arranged on the surfaces of two ends of one side of the butterfly plate, which is far away from the reinforcing plate, of the butterfly plate, the top ends of the side edges of the connecting rods are slidably arranged in the hollow frames, pushing blocks are fixedly arranged on the surfaces of one ends of the connecting rods, which are far away from the reinforcing plate, of the connecting rods, and the pushing blocks are positioned in the hollow frames;

every equal fixed mounting in cavity frame outside both ends surface has the installing frame, every the equal slidable mounting of inside side of installing frame has the stripper plate, every the equal dead lever of installing of stripper plate side both ends surface, every two sets of equal fixed mounting has the stopper between the dead lever side top, and the equal fixed mounting of end surface has the transfer line in one side that the stopper was kept away from to every stripper plate, and the transfer line runs through slidable mounting in inside the installing frame side, every the equal movable sleeve of transfer line outside surface has pushed the spring.

Preferably, the valve casing outside surface fixed mounting has the connecting pipe, connecting pipe side fixed intercommunication has the regulation pipe, regulation pipe top outside surface rotation installs the rolling disc, equal fixed mounting in butterfly plate side both ends surface has support sleeve, two sets of vertical fixed mounting has the actuating lever between the support sleeve inboard, and the actuating lever runs through and rotates installs inside the connecting pipe.

Preferably, the butterfly plate outer side surface movable mounting has sealed rubber ring, and sealed laminating in sealed rubber ring outside and the gusset plate outside.

Preferably, each hollow frame side edge is provided with a movable groove in the two ends, the fixed rod penetrates through the movable groove in a sliding manner, each mounting frame side edge is provided with a guide groove in the middle end, and the transmission rod penetrates through the guide groove in a sliding manner.

Preferably, a hand pulling plate is fixedly arranged between the top ends of the side edges of each two groups of transmission rods, and the hand pulling plate is positioned outside the mounting frame.

Preferably, the inside grafting groove of having seted up in butterfly plate and the sealing rubber ring outside, and connecting rod and impeller block slidable mounting are inside the grafting groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the butterfly valve, the isosceles trapezoid pushing block is arranged on the side edge of the reinforcing plate through the connecting rod, the triangular limiting block is movably arranged on the side edge of the extruding plate through the fixing rod, when an operator needs to install the reinforcing plate on one side surface of the butterfly plate, after the connecting rod and the pushing block are aligned with the inside of the inserting groove, the pushing block can be driven to horizontally move in the hollow frame after the reinforcing plate is continuously pushed towards the outer side of the butterfly plate, the inclined planes on the two sides of the pushing block are enabled to be in contact with the inclined planes of the limiting block to cause the pushing block to resist force, the following limiting block and the extruding plate can move towards the inside of the mounting frame along with the movement of the reinforcing plate, the pushing spring is extruded to deform the pushing block until the inclined planes of the limiting block are separated from the inclined planes of the pushing block, and the limiting block is driven to restore the position under the pushing action of the pushing spring, the right-angle sides of the limiting block are enabled to be attached to the long bottom edges of the pushing block to resist the pushing block, the pushing block and the pushing block can not be horizontally moved in the hollow frame, further, the reinforcing plate can be reinforced in the hollow frame can be enabled to be mounted on the outer side of the butterfly valve body, the efficiency of the butterfly valve can be further improved, and the stability of the butterfly valve can be further guaranteed, and the stability of the butterfly valve can be further assembled is guaranteed, and the stability of the valve can be stably installed on the side of an operator is guaranteed.

2. According to the utility model, the transmission rod penetrates through the guide groove to be slidably arranged in the guide groove, so that when the pushing block moves to cause the pushing block to move so as to drive the extrusion plate and the transmission rod to synchronously move, the transmission rod only can horizontally move in the mounting frame and cannot laterally move, and further the positions of the extrusion plate and the limiting block are guided and limited, so that the random movement of the limiting block is avoided to influence the pushing limiting stability of the pushing block.

Drawings

FIG. 1 is a schematic view of the overall perspective cross-section structure of the present utility model;

FIG. 2 is a schematic top view of a butterfly plate according to the present utility model;

FIG. 3 is an enlarged view of the structure of the portion A of the present utility model;

FIG. 4 is a schematic side sectional view of a butterfly plate of the utility model;

in the figure: 1. a valve housing; 11. a butterfly plate; 12. a reinforcing plate; 13. reinforcing the screw; 14. a connecting pipe; 15. an adjusting tube; 16. a rotating disc; 17. a sealing gasket;

2. a hollow frame; 21. a mounting frame; 22. a connecting rod; 23. a pushing block; 24. an extrusion plate; 25. a transmission rod; 26. a fixed rod; 27. a limiting block; 28. a pushing spring;

3. a hand pulling plate;

4. a movable groove; 41. a guide groove; 42. a plug-in groove;

5. a support sleeve; 51. and a driving rod.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1: referring to fig. 1 to 4, a butterfly plate 11 is rotatably installed in the valve housing 1, and a reinforcing plate 12 is detachably installed on the side surface of the butterfly plate 11 through a reinforcing screw 13;

the connecting rods 22 are fixedly arranged in the side edges of the reinforcing plate 12, the number of the connecting rods 22 is four, the connecting rods 22 penetrate through and are slidably arranged in the butterfly plate 11, the hollow frame 2 is fixedly arranged on the surface of the two ends of one side of the butterfly plate 11 far away from the reinforcing plate 12, the top ends of the side edges of the connecting rods 22 are slidably arranged in the hollow frame 2, the pushing blocks 23 are fixedly arranged on the surface of one end of each connecting rod 22 far away from the reinforcing plate 12, and the pushing blocks 23 are positioned in the hollow frame 2;

every cavity frame 2 outside both ends surface is fixed mounting has installation frame 21, every the equal slidable mounting of inside side of installation frame 21 has extrusion plate 24, every the equal fixed lever 26 of installing of extrusion plate 24 side both ends surface, every two sets of all fixed mounting has stopper 27 between the fixed lever 26 side top, and the equal fixed mounting of one side middle-end surface that the stopper 27 was kept away from to every extrusion plate 24 has transfer line 25, and transfer line 25 runs through slidable mounting in installation frame 21 side inside, every transfer line 25 outside surface all activity has cup jointed push spring 28, through the interact of push piece 23 and stopper 27 for when installing the use to reinforcing plate 12, only need to last the back to reinforcing plate 12, can make the rectangular limit of stopper 27 laminate mutually with the long base of push piece 23 and cause the movement to push piece 23 for push piece 23 and connecting rod 22 can not be arbitrary in the inside horizontal migration of cavity frame 2, and then make reinforcing plate 12 can be preliminary be installed in reinforcing plate 11 outside.

Specifically, referring to fig. 1 to 4, the outer side surface of the valve housing 1 is fixedly provided with a connecting pipe 14, the side edge of the connecting pipe 14 is fixedly communicated with an adjusting pipe 15, the outer side surface of the top of the adjusting pipe 15 is rotatably provided with a rotating disc 16, two end surfaces of the side edge of the butterfly plate 11 are fixedly provided with supporting sleeves 5, two groups of the supporting sleeves 5 are vertically and fixedly provided with driving rods 51 between the inner sides, the driving rods 51 penetrate through and are rotatably arranged in the connecting pipe 14, and when the rotating disc 16 is rotated, the butterfly plate 11 can be driven to synchronously rotate through a plurality of groups of transmission assemblies in the adjusting pipe 15 and the connecting pipe 14 so as to open and close the valve housing 1.

Further, referring to fig. 1 to 4, a sealing gasket 17 is movably mounted on the outer surface of the butterfly plate 11, and the outer side of the sealing gasket 17 is in sealing fit with the outer side of the reinforcing plate 12, so that the tightness between the butterfly plate 11 and the inner wall of the valve housing 1 is ensured through the structural function of the sealing gasket 17.

It should be noted that, referring to fig. 1 to 4, the two ends of the side edge of each hollow frame 2 are respectively provided with a movable slot 4, the fixed rod 26 is installed inside the movable slot 4 in a penetrating and sliding manner, the middle end of the side edge of each installation frame 21 is respectively provided with a guide slot 41, the transmission rod 25 is installed inside the guide slots 41 in a penetrating and sliding manner, and the transmission rod 25 is guided and driven through the guide slots, so that the rationality of transmission adjustment of the whole device is ensured.

It should be noted that, referring to fig. 1 to 4, a hand pulling plate 3 is fixedly installed between the top ends of the side edges of each two sets of the driving rods 25, and the hand pulling plate 3 is located at the outer side of the mounting frame 21, so that the operator can conveniently pull the hand pulling plate 3 from the outer side of the mounting frame 21 through the structural function of the hand pulling plate 3, and detach the reinforcing plate 12 after separating the pushing block 23 and the limiting block 27.

It should be noted that, referring to fig. 1 to 4, the butterfly plate 11 and the sealing gasket 17 are provided with insertion grooves 42 inside the outer sides thereof, and the connecting rod 22 and the pushing block 23 are slidably mounted inside the insertion grooves 42, and the guiding sliding action on the connecting rod 22 and the pushing block 23 is achieved through the structural action of the insertion grooves 42.

During operation, when assembling the use to the valve body, laminate sealing gasket 17 behind butterfly plate 11 right side surface, make sealing gasket 17 and the inside jack groove 42 of butterfly plate 11 align each other, after the connecting rod 22 of the reinforcing plate 12 left side of will installing and jack block 23 peg graft to the inside jack groove 42 of relevant position again, constantly carry out left promotion to reinforcing plate 12, make jack block 23 when cavity frame 2 is inside to carry out left movement, the inclined plane of jack block 23 both sides contacts with the inclined plane of stopper 27 and causes the power to it, follow-up stopper 27 and stripper plate 24 can be along with the removal of reinforcing plate 12 and move towards inside of installing frame 21, make stripper plate 24 cause the extrusion and make it take place deformation when horizontal migration to push spring 28, promptly after stripper plate 24 loses outside power effect of supporting, drive stopper 27 position restoration under the effect of push spring 28, can make the right angle limit of stopper 27 and the long base of jack block 23 laminate mutually and cause the stopper 23 to push block 23 and make the operator rotate the inside of the reinforcing plate 11 and can make the inside of the reinforcing plate 11 rotate to the side of the face of the flange plate 11 when the face of the butterfly plate is screwed down, and the face of the face plate is rotated by the face plate is driven by the side of the face plate 11, can make the operator rotate the inside the face of the face plate 11 and can be screwed down when the face plate is further rotated by the face plate 11 and the face of the face plate is rotated and the face of the face plate is 11 is further 11 is made to the inside and the face of the face plate is mounted to the face inside and the face plate is 11 is further in the face of the face inside the face plate is 11 and the face plate is turned.

In addition, the components designed by the utility model are all universal standard components or components known by the person skilled in the art, the structures and principles of the components are all known by the person skilled in the art through technical manuals or known by routine experimental methods, and the utility model can be completely realized by the person skilled in the art.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims

1. The electric butt welding triple eccentric butterfly valve comprises a valve casing (1) and is characterized in that a butterfly plate (11) is rotatably arranged in the valve casing (1), and a reinforcing plate (12) is detachably arranged on the side surface of the butterfly plate (11) through a reinforcing screw (13);

connecting rods (22) are fixedly arranged in the side edges of the reinforcing plate (12), the number of the connecting rods (22) is four, the connecting rods (22) penetrate through and are slidably arranged in the butterfly plates (11), hollow frames (2) are fixedly arranged on the surfaces of two ends of one side, far away from the reinforcing plate (12), of each butterfly plate (11), the top ends of the side edges of the connecting rods (22) are slidably arranged in the hollow frames (2), pushing blocks (23) are fixedly arranged on the surfaces of one end, far away from the reinforcing plate (12), of each connecting rod (22), and the pushing blocks (23) are located in the hollow frames (2);

every cavity frame (2) outside both ends surface is equal fixed mounting has installing frame (21), every inside side of installing frame (21) is equal slidable mounting has stripper plate (24), every fixed lever (26) are all installed to stripper plate (24) side both ends surface, every two sets of equal fixed mounting has stopper (27) between dead lever (26) side top, and the equal fixed mounting of one side middle-end surface that stopper (27) were kept away from to every stripper plate (24) has transfer line (25), and transfer line (25) run through slidable mounting in inside installing frame (21) side, every transfer line (25) outside surface all activity has cup jointed push spring (28).

2. An electric butt welding triple eccentric butterfly valve according to claim 1, wherein a connecting pipe (14) is fixedly arranged on the outer side surface of the valve casing (1), an adjusting pipe (15) is fixedly communicated with the side edge of the connecting pipe (14), a rotating disc (16) is rotatably arranged on the outer side surface of the top of the adjusting pipe (15), supporting sleeves (5) are fixedly arranged on the two end surfaces of the side edge of the butterfly plate (11), driving rods (51) are vertically and fixedly arranged between the inner sides of the two groups of the supporting sleeves (5), and the driving rods (51) are rotatably arranged inside the connecting pipe (14) in a penetrating mode.

3. An electric butt welding triple offset butterfly valve according to claim 1, wherein a sealing gasket (17) is movably mounted on the outer side surface of the butterfly plate (11), and the outer side of the sealing gasket (17) is in sealing fit with the outer side of the reinforcing plate (12).

4. An electric butt-welding triple offset butterfly valve according to claim 1, wherein each hollow frame (2) has a movable groove (4) formed in the inner part of both ends of the side edge, a fixed rod (26) is slidably mounted in the movable groove (4) in a penetrating manner, each mounting frame (21) has a guide groove (41) formed in the inner part of the middle end of the side edge, and a transmission rod (25) is slidably mounted in the guide groove (41) in a penetrating manner.

5. An electric butt-welded triple offset butterfly valve according to claim 1, wherein a hand pulling plate (3) is fixedly installed between the side tips of each two sets of the transmission rods (25), and the hand pulling plate (3) is located outside the installation frame (21).

6. An electric butt welding triple eccentric butterfly valve according to claim 1, wherein the butterfly plate (11) and the sealing gasket (17) are provided with insertion grooves (42) in the outer side, and the connecting rod (22) and the pushing block (23) are slidably mounted in the insertion grooves (42).