CN213065091U

CN213065091U - Integrated double-eccentric butterfly valve

Info

Publication number: CN213065091U
Application number: CN202021969795.4U
Authority: CN
Inventors: 潘长喜; 吴龙
Original assignee: Nantong Wande Valve Co ltd
Current assignee: Nantong Wande Valve Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-04-27
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a two eccentric butterfly valves technical field just disclose an integral type two eccentric butterfly valves, which comprises a valve body, the equal first flange of fixedly connected with in the left and right sides of valve body, two the equal fixed mounting in one side that first flange carried on the back mutually has a second flange, two the equal external water pipe of fixedly connected with in one side that second flange carried on the back mutually, the front of valve body and the equal fixedly connected with quantity in the back are two metal sheets, one side fixedly connected with regulation storehouse of external water pipe is kept away from to the metal sheet. This two eccentric butterfly valves of integral type through connecting first flange and second flange with the bolt and installing, then rotates the dwang, makes front worm and back worm rotate, again through being provided with front worm and back worm respectively with front worm wheel and back worm wheel meshing to can make front worm and back worm wheel rotate, further make front threaded rod and back threaded rod rotate.

Description

Integrated double-eccentric butterfly valve

Technical Field

The utility model relates to a double-eccentric butterfly valve technical field specifically is an integral type double-eccentric butterfly valve.

Background

The double-eccentric butterfly valve is also called as a high-performance butterfly valve, is mainly suitable for drainage of systems such as water plants, power plants, steel plant smelting, chemical engineering, water source spring engineering, environmental facility construction and the like, is particularly suitable for water pipelines, is used as adjusting and intercepting equipment, and has the advantages of higher high pressure resistance, longer service life and good stability compared with a traditional Chinese butterfly valve.

At present, the double-eccentric flange butterfly valve on the market is connected with an external pipeline through a flange by bolts when in use, and after the valve is installed on the external pipeline, if special conditions such as earthquake or flood impact are met, because the connection stable point of the valve and the external pipeline is located at the connection position of the flange, the integrity (unity) of the valve and the external pipeline is low, and the connection position of the valve and the external pipeline is easy to damage or even break, so that the integral double-eccentric butterfly valve is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a two eccentric butterfly valves of integral type possesses the higher advantage of stability behind valve and the external pipeline connection, has solved if meet the special circumstances, if earthquake or flood are strikeed, because the valve lies in flange joint with the stable point of being connected of external pipeline to wholeness (wholeness) is lower behind valve and the external pipeline connection, and the valve damages cracked problem even with the junction of external pipeline very easily.

(II) technical scheme

For the higher purpose of realizing above-mentioned valve and external pipe connection back stability, the utility model provides a following technical scheme: an integrated double-eccentric butterfly valve comprises a valve body, wherein the left side and the right side of the valve body are fixedly connected with first connecting flanges, one side of each of the two first connecting flanges, which is opposite to each other, is fixedly provided with a second connecting flange, one side of each of the two second connecting flanges, which is opposite to each other, is fixedly connected with an external water pipe, the front side and the back side of the valve body are fixedly connected with two metal plates, one side of each metal plate, which is far away from the external water pipe, is fixedly connected with a regulating bin, the front inner wall of the regulating bin, which is positioned on the front side, is movably connected with a front threaded rod, one end of each front threaded rod penetrates through and extends to one side of each metal plate, which is close to the external water pipe, the outer side of each front threaded rod is movably provided with a front movable rod, the back side of, the outer peripheral wall of the front threaded rod is fixedly connected with a front worm wheel positioned in the front adjusting bin, the inner wall swing joint at the back of the adjusting bin at the back is provided with a back threaded rod one end of which penetrates through and extends to the metal plate close to one side of the external water pipe, the outer side of the back threaded rod is movably provided with a back movable rod, the back of the back movable rod is fixedly connected with a back splint, two back telescopic rods are fixedly connected between the back splint and the metal plate at the back, the outer peripheral wall of the back threaded rod is fixedly connected with a back worm wheel positioned in the adjusting bin at the back and positioned at the front, the inner wall swing joint at the front of the adjusting bin at the front is provided with a rotating rod one end of which penetrates through and extends to the inside of the adjusting bin at the back and is movably connected with the inner wall at the back of the adjusting bin, the periphery wall fixedly connected with of dwang and back worm wheel meshing.

Preferably, the metal plates are L-shaped, and the two metal plates located on the left side and the two metal plates located on the right side are identical and symmetrical to each other.

Preferably, the shape of regulation storehouse is the rectangle that one side that an inside fretwork just is close to the metal sheet is the disappearance form, the front thread groove has been seted up on the front of positive movable rod, front thread groove and front threaded rod threaded connection.

Preferably, the front clamping plate and the back clamping plate are both arc-shaped, and the front clamping plate and the back clamping plate are identical and symmetrical.

Preferably, the anti-skidding rubber pads are fixedly connected to the opposite sides of the front clamping plate and the back clamping plate.

Preferably, back thread groove has been seted up at the back of back movable rod, back thread groove and back threaded rod threaded connection, the screw thread of front threaded rod and back threaded rod periphery wall turns to opposite.

(III) advantageous effects

Compared with the prior art, the utility model provides an integral type double-eccentric butterfly valve possesses following beneficial effect:

the integrated double-eccentric butterfly valve has the advantages that the first connecting flange and the second connecting flange are connected and installed through bolts, then the rotating rod is rotated to rotate the front worm and the back worm, the front worm and the back worm are respectively meshed with the front worm wheel and the back worm wheel through the arrangement of the front worm and the back worm, so that the front worm and the back worm wheel can be rotated, the front threaded rod and the back threaded rod are further rotated, the rotation of the front movable rod and the back movable rod is limited through the arrangement of the front telescopic rod and the back telescopic rod, the front movable rod and the back movable rod respectively move relatively through the threaded connection of the front threaded rod and the front threaded groove and the threaded connection of the back threaded rod and the back threaded groove, the front clamping plate and the back clamping plate are driven to move relatively, an external water pipe is clamped and fixed, and the integrity between the valve body and the external pipeline, the connection between the valve body and the external pipeline is more stable, and the damage and even the fracture of the joint of the valve body and the external pipeline after special conditions are met are avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a right side schematic view of the metal plate of the present invention.

In the figure: the hydraulic control valve comprises a valve body 1, a first connecting flange 2, a second connecting flange 3, a regulating bin 4, an external water pipe 5, a metal plate 6, a front worm 7, a front telescopic rod 8, a back telescopic rod 9, a back worm 10, a back worm wheel 11, a back threaded rod 12, a back movable rod 13, a back clamping plate 14, a front clamping plate 15, a front movable rod 16, a front worm wheel 17, a front threaded rod 18 and a rotating rod 19.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, an integrated double-eccentric butterfly valve comprises a valve body 1, wherein the left side and the right side of the valve body 1 are fixedly connected with first connecting flanges 2, the opposite sides of the two first connecting flanges 2 are fixedly provided with second connecting flanges 3, the opposite sides of the two second connecting flanges 3 are fixedly connected with external water pipes 5, the front side and the back side of the valve body 1 are fixedly connected with two metal plates 6, the metal plates 6 are L-shaped, the two metal plates 6 on the left side and the two metal plates 6 on the right side are identical and symmetrical to each other, one side of the metal plate 6 far away from the external water pipes 5 is fixedly connected with an adjusting bin 4, the adjusting bin 4 is hollow and is a rectangle with a missing part at one side close to the metal plates 6, the inner wall of the front side of the adjusting bin 4 is movably connected with a front threaded rod 18, one end of the front threaded rod penetrates through and extends to one side of the metal plates 6 close to the external water, a front movable rod 16 is movably arranged on the outer side of the front threaded rod 18, a front clamping plate 15 is fixedly connected to the back of the front movable rod 16, a front threaded groove is formed in the front of the front movable rod 16 and is in threaded connection with the front threaded rod 18, two front telescopic rods 8 are fixedly connected between the front clamping plate 15 and the metal plate 6 positioned on the front, the front threaded rod 8 consists of a first sleeve rod and a first movable rod, one end of the first movable rod penetrates through and extends into the first sleeve rod, one end of the outer side of the first movable rod is fixedly connected with a first limiting block positioned in the first sleeve rod, one side of the first sleeve rod is provided with a first through hole matched with the first movable rod, the first movable rod is prevented from being separated from the first sleeve rod in the movement process by the arrangement of the first limiting block, a front worm wheel 17 positioned in the adjusting bin 4 on the front is fixedly connected to the outer peripheral wall of the front threaded rod 18, the inner wall of the back of the adjusting bin 4 positioned at the back is movably connected with a back threaded rod 12, one end of the back threaded rod penetrates through and extends to one side of the metal plate 6 close to the external water pipe 5, a back movable rod 13 is movably installed at the outer side of the back threaded rod 12, a back clamping plate 14 is fixedly connected to the back of the back movable rod 13, the front clamping plate 15 and the back clamping plate 14 are both arc-shaped, the front clamping plate 15 and the back clamping plate 14 are identical and mutually symmetrical, an anti-skidding rubber pad is fixedly connected to one side of the back clamping plate 15 opposite to the back clamping plate 14, a back thread groove is formed in the back of the back movable rod 13 and is in threaded connection with the back threaded rod 12, the thread turning directions of the peripheral walls of the front threaded rod 18 and the back threaded rod 12 are opposite, two back telescopic rods 9 are fixedly connected between the back clamping plate 14 and the, one end of the second moving rod penetrates through and extends into the second loop bar, one end of the outer side of the second moving rod is fixedly connected with a second limiting block positioned in the second loop bar, one side of the second loop bar is provided with a second through hole matched with the second moving rod, through being provided with the second stopper, prevented that the second motion pole from breaking away from with the second sleeve pole in the motion process, the positive inner wall swing joint of the regulation storehouse 4 that the periphery wall fixedly connected with of back threaded rod 12 is located the inside back worm wheel 11 of the regulation storehouse 4 at the back is located the front has one end to run through and extend to the inside of the regulation storehouse 4 that is located the back and with the dwang 19 that is located the inner wall swing joint at the regulation storehouse 4 at the back, the front worm 7 of periphery wall fixedly connected with and the meshing of front worm wheel 17 of dwang 19, the periphery wall fixedly connected with of dwang 19 and the back worm 10 of the meshing of back worm wheel 11.

In summary, in the integrated double-eccentric butterfly valve, the first connecting flange 2 and the second connecting flange 3 are connected and installed by bolts, then the rotating rod 19 is rotated to rotate the front worm 7 and the back worm 10, the front worm 7 and the back worm 10 are respectively engaged with the front worm wheel 17 and the back worm wheel 11, so that the front worm 7 and the back worm wheel 11 can be rotated, the front threaded rod 18 and the back threaded rod 12 can be further rotated, the front telescopic rod 8 and the back telescopic rod 9 are arranged to limit the rotation of the front movable rod 16 and the back movable rod 13, the front movable rod 16 and the back movable rod 13 are respectively connected with the front threaded groove and the back threaded groove by the front threaded rod 18 and the back threaded rod 12 and the back threaded groove to move relatively, the front clamping plate 15 and the back clamping plate 14 are driven to move relatively, so as to clamp and fix the external water pipe 5, and then make the wholeness between valve body 1 and the external pipeline 5 obtain improving, make the connection between valve body 1 and the external pipeline 5 more stable, avoided meetting special circumstances back valve body 1 and the junction of external pipeline 5 damage or even fracture, if having solved and having met special circumstances, like earthquake or flood impact, because the connection stability point of valve and external pipeline lies in flange joint department, thereby the wholeness is lower after valve and the external pipeline connection, the junction of valve and external pipeline damages the problem of fracture very easily.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integral type double-eccentric butterfly valve, includes valve body (1), its characterized in that: the left side and the right side of the valve body (1) are fixedly connected with first connecting flanges (2), one side of each of the two first connecting flanges (2) opposite to each other is fixedly provided with a second connecting flange (3), one side of each of the two second connecting flanges (3) opposite to each other is fixedly connected with an external water pipe (5), the front side and the back side of the valve body (1) are fixedly connected with two metal plates (6), one side of each metal plate (6) far away from the external water pipe (5) is fixedly connected with an adjusting bin (4), the front inner wall of the adjusting bin (4) positioned on the front side is movably connected with a front threaded rod (18) of which one end penetrates through and extends to one side of each metal plate (6) close to the external water pipe (5), the outer side of each front threaded rod (18) is movably provided with a front movable rod (16), and the back side of each front movable rod (16) is fixedly connected with a, front splint (15) and be located between positive metal sheet (6) fixedly connected with quantity be two front telescopic link (8), the periphery wall fixedly connected with of front threaded rod (18) is located positive regulation storehouse (4) inside front worm wheel (17), is located the back the inner wall swing joint at the regulation storehouse (4) back has one end to run through and extend to metal sheet (6) and be close to back threaded rod (12) of external water pipe (5) one side, the outside movable mounting of back threaded rod (12) has back movable rod (13), the back fixedly connected with back splint (14) of back movable rod (13), fixedly connected with quantity is two back telescopic link (9) between back splint (14) and the metal sheet (6) that are located the back, the periphery wall fixedly connected with of back threaded rod (12) is located the inside back worm wheel (11) of regulation storehouse (4) at the back are located openly adjust storehouse (8) 4) Positive inner wall swing joint has one end to run through and extend to the inside that is located surge bin (4) at the back and with inner wall swing joint's that is located surge bin (4) at the back dwang (19), periphery wall fixedly connected with and front worm wheel (17) meshed front worm (7) of dwang (19), periphery wall fixedly connected with and back worm wheel (11) meshed back worm (10) of dwang (19).

2. An integrated double eccentric butterfly valve according to claim 1, characterized in that: the metal plates (6) are L-shaped, and the two metal plates (6) on the left side and the two metal plates (6) on the right side are identical and symmetrical to each other.

3. An integrated double eccentric butterfly valve according to claim 1, characterized in that: the shape of regulation storehouse (4) is the rectangle that one side that an inside fretwork just is close to metal sheet (6) is the disappearance form, positive thread groove has been seted up on the front of positive movable rod (16), positive thread groove and positive threaded rod (18) threaded connection.

4. An integrated double eccentric butterfly valve according to claim 1, characterized in that: the front clamping plate (15) and the back clamping plate (14) are both arc-shaped, and the front clamping plate (15) and the back clamping plate (14) are identical and symmetrical.

5. An integrated double eccentric butterfly valve according to claim 1, characterized in that: and one side of the front clamping plate (15) opposite to one side of the back clamping plate (14) is fixedly connected with an anti-skidding rubber pad.

6. An integrated double eccentric butterfly valve according to claim 1, characterized in that: the back thread groove has been seted up at the back of back movable rod (13), back thread groove and back threaded rod (12) threaded connection, the screw thread of front threaded rod (18) and back threaded rod (12) periphery wall turns to oppositely.