CN212455531U

CN212455531U - Novel double-flange butterfly valve

Info

Publication number: CN212455531U
Application number: CN202020693191.5U
Authority: CN
Inventors: 樊艳广
Original assignee: Tianjin Jinbin Yongxing Valve Co ltd
Current assignee: Tianjin Jinbin Yongxing Valve Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-02-02
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a novel double-flange butterfly valve, which comprises a double-flange butterfly valve body, a first flange connector, a second flange connector and a valve plate, wherein two sides of the double-flange butterfly valve body are mutually and symmetrically and fixedly connected with the two first flange connectors and the second flange connector, the valve plate is arranged inside the double-flange butterfly valve body, a cavity channel is arranged at the top of the valve plate and is fixedly connected with the top ends of the first flange connector and the second flange connector, a top cover is fixedly connected with the top of the cavity channel, a rotating rod and a supercharger are respectively and correspondingly arranged at two ends of the top cover, a handle is fixedly connected with one end of the rotating rod, an output end of the rotating rod is embedded into the cavity channel and is fixedly connected with a first gear, a second gear is meshed and connected with the outer side of the first gear, a valve rod is fixedly connected with the bottom of the second gear and is, the opening and closing angle of the disc plate is convenient to operate, and therefore flow can be accurately controlled.

Description

Novel double-flange butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a novel double flange butterfly valve.

Background

At present, a butterfly valve is also called a flap valve, is a regulating valve with a simple structure, and can be used for switching control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a valve clack or a butterfly plate of a closing member is a disk. The butterfly valve has the advantages of simple structure, small volume, light weight, less material consumption, small installation size, small driving moment, simple and quick operation, and good flow regulation function and closing and sealing characteristics.

The existing butterfly valve is mostly a plurality of rubber seal and packing isotructure of simple valve clack cooperation, accomplish the sealed of valve body, in long-time use, because the ageing easy sealing performance variation that leads to of part influences butterfly valve leakproofness, the deflection angle of the control valve plate that current butterfly valve can not be accurate simultaneously and improper to the angle modulation of valve plate and valve rod, the structure is complicated, fixed inconvenient, therefore we improve to this, provide a novel double flange butterfly valve.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a novel double-flange butterfly valve, which comprises a double-flange butterfly valve body, a first flange connector, a second flange connector and a valve plate, and is characterized in that two sides of the double-flange butterfly valve body are symmetrically and fixedly connected with two first flange connectors and second flange connectors, and a plurality of connecting holes are uniformly and fixedly connected with the outer sides of the first flange connectors and the second flange connectors, a valve plate is arranged in the double-flange butterfly valve body, a cavity is arranged at the top of the valve plate and is fixedly connected with the top ends of the first flange connectors and the second flange connectors, a top cover is fixedly connected with the top of the cavity, a rotating rod and a supercharger are correspondingly arranged at two ends of the top cover respectively, a handle is fixedly connected with one end of the rotating rod, and the output end of the rotating rod is inserted into the cavity and is fixedly connected with a first gear, the outside meshing of first gear is connected with the second gear, the bottom fixedly connected with valve rod of second gear and with the valve plate rotates and is connected.

As a preferred technical scheme of the utility model, first stop collar has been seted up to the output of valve rod, the valve plate is inside to be kept away from the one end fixedly connected with second stop collar of valve rod, the inside of second stop collar is equipped with spacing sill bar first stop collar and the mutual corresponding setting of second stop collar.

As an optimal technical scheme of the utility model, the outside of valve plate is equipped with the seal cover, the inside of seal cover still is equipped with sealed the pad, sealed pad adopts stainless steel material to make.

As a preferred technical scheme of the utility model, first stop collar and second stop collar are cylinder sleeve structure, just first stop collar and second stop collar rotate with valve rod and spacing sill bar respectively and are connected.

As an optimized technical scheme of the utility model, the outside of dwang is equipped with sleeve pipe and fixed connection in the inside of chamber way.

As an optimal technical scheme of the utility model, the inside fixedly connected with sealed tube of booster, the sealed tube passes through the inside of chamber way double flange butterfly valve body.

As an optimized technical scheme of the utility model, the inside packing of chamber way has sealed glue.

As an optimal technical scheme of the utility model, the inside of double flange butterfly valve body is equipped with the strengthening rib, the diameter of strengthening rib be less than the diameter of valve plate.

The utility model has the advantages that: the output of dwang inlays the inside of inserting the chamber way and the first gear of fixedly connected with, the outside meshing of first gear is connected with the second gear, the bottom fixedly connected with valve rod of second gear and rotates with the valve plate to be connected, simultaneously when the stop collar has been seted up at the output of valve rod can reduce the valve plate quality, it rotates around spacing sill bar to drive the valve plate through gear revolve, make it can adjust certain angle, the outside of valve plate is equipped with the seal cover, the inside of seal cover still is equipped with sealed the pad, sealed pad adopts stainless steel material to make, it further strengthens the device's leakproofness to be equipped with the seal cover in the outside of valve plate, it can increase the intensity of valve plate to be equipped with the strengthening rib in the inside of two flange butterfly valve body, prevent large pressure difference, the valve plate that causes under the.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a novel double-flange butterfly valve of the present invention;

fig. 2 is an internal perspective view of the novel double-flange butterfly valve of the present invention.

In the figure: 1. a double-flange butterfly valve body; 2. a first flange connector; 3. a second flange connector; 4. connecting holes; 5. a valve plate; 6. a lumen; 7. a top cover; 8. rotating the rod; 9. a supercharger; 10. a handle; 11. a sleeve; 12. a first gear; 13. a second gear; 14. a valve stem; 15. a first stop collar; 16. a second stop collar; 17. and (5) sealing the sleeve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in FIG. 1-2, the utility model relates to a novel double-flange butterfly valve, which comprises a double-flange butterfly valve body 1, a first flange connector 2, a second flange connector 3 and a valve plate 5, wherein two sides of the double-flange butterfly valve body 1 are symmetrically and fixedly connected with the two first flange connectors 2 and the second flange connector 3, the outer sides of the two first flange connectors 2 and the second flange connector 3 are uniformly and fixedly connected with a plurality of connecting holes 4, the valve plate 5 is arranged inside the double-flange butterfly valve body 1, the top of the valve plate 5 is provided with a cavity 6 and is fixedly connected with the top ends of the first flange connector 2 and the second flange connector 3, the top of the cavity 6 is fixedly connected with a top cover 7, the two ends of the top cover 7 are respectively and correspondingly provided with a rotating rod 8 and a supercharger 9, one end of the rotating rod 8 is fixedly connected with a handle 10, the output end of the rotating rod 8 is inserted into the, the outer side of the first gear 12 is engaged with a second gear 13, and the bottom of the second gear 13 is fixedly connected with a valve rod 14 and is rotationally connected with the valve plate 5.

Wherein, first stop collar 15 has been seted up to the output of valve rod 14, valve plate 5 inside one end fixedly connected with second stop collar 16 of keeping away from valve rod 14, the inside of second stop collar 16 is equipped with the mutual corresponding setting of first stop collar 15 of spacing sill bar and second stop collar 16, when the output of valve rod was seted up the stop collar and can be reduced the valve plate quality, simultaneously rotated through the valve rod and drives the valve plate and rotate around spacing sill bar, made it to adjust certain angle.

Wherein, the outside of valve plate 5 is equipped with seal cover 17, and the inside of seal cover 17 still is equipped with sealed the pad, and sealed the pad and adopt stainless steel material to make, is equipped with the sealed cover in the outside of valve plate and further strengthens the leakproofness of the device.

Wherein, first stop collar 15 and second stop collar 16 are the cylinder sleeve structure, and first stop collar 15 and second stop collar 16 rotate with valve rod 14 and spacing sill bar respectively and are connected, and first stop collar and second stop collar are the cylinder sleeve structure and make its valve rod angle of fixing easily.

Wherein, the outside of dwang 8 is equipped with sleeve pipe 11 and fixed connection in the inside of chamber way 6, and the cover has the sleeve pipe in the outside of dwang can effectively protect the dwang.

Wherein, the inside fixedly connected with sealed tube of booster 9, sealed tube pass through 6 double flange butterfly valve body 1's inside of chamber way, and the booster can be impressed gas to the sealed tube intraductally, need not to insert outside pressure regulating device and can accomplish the regulation to sealed tube inside gas at the in-process that uses, has improved the practicality.

The cavity 6 is filled with sealant, and the cavity is filled with sealant to effectively enhance the sealing performance of the whole device.

Wherein, the inside of double flange butterfly valve body 1 is equipped with the strengthening rib, the diameter of the valve plate 5 that is less than of strengthening rib, be equipped with the intensity that the strengthening rib can increase the valve plate in the inside of double flange butterfly valve body, prevent that the valve plate that causes under big pressure differential, the big velocity of flow condition from damaging.

When the device works, whether the device is normal is firstly checked, when the checking is finished, two first flange connectors 2 and two second flange connectors 3 are symmetrically and fixedly connected with each other on two sides of a double-flange butterfly valve body 1, a valve rod 14 is arranged at the top of the valve rod 1, a first limiting sleeve 15 is arranged at the output end of the valve rod 14, a second limiting sleeve 16 is fixedly connected with one end, far away from the valve rod 14, of the inner part of a valve plate 5, a limiting bottom rod first limiting sleeve 15 and the second limiting sleeve 16 are arranged in the second limiting sleeve 16 in a mutually corresponding mode, the quality of the valve plate 5 can be reduced by arranging the limiting sleeve at the output end of the valve rod 14, meanwhile, the valve plate 5 is driven to rotate around the limiting bottom rod through the rotation of the valve rod 14, a certain angle can be adjusted, a sealing sleeve 17 is arranged on the outer side of the valve plate 5, be equipped with the leakproofness that the device is further strengthened to the sealed cover in the outside of valve plate 5, and can impress gas to the sealed intraductal through the booster, need not to insert outside atmospheric pressure adjusting device and can accomplish the regulation to the inside gas of sealed pipe at the in-process of using, the practicality has been improved, the inside of two flange butterfly valve body 1 is equipped with the strengthening rib, the diameter of the valve plate 5 that the diameter of strengthening rib is less than, it can increase the intensity of valve plate 5 to be equipped with the strengthening rib in the inside of two flange butterfly valve body 1, prevent large pressure difference, valve plate 5 that causes under the large flow rate condition damages.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel double-flange butterfly valve comprises a double-flange butterfly valve body (1), a first flange connector (2), a second flange connector (3) and a valve plate (5), and is characterized in that two sides of the double-flange butterfly valve body (1) are symmetrically and fixedly connected with the two first flange connectors (2) and the second flange connector (3), a plurality of connecting holes (4) are uniformly and fixedly connected to the outer sides of the first flange connectors (2) and the second flange connector (3), the valve plate (5) is arranged inside the double-flange butterfly valve body (1), a cavity channel (6) is arranged at the top of the valve plate (5) and fixedly connected to the top ends of the first flange connectors (2) and the second flange connector (3), a top cover (7) is fixedly connected to the top of the cavity channel (6), and two ends of the top cover (7) are respectively and correspondingly provided with a rotating rod (8) and a supercharger (9), just one end fixedly connected with handle (10) of dwang (8), the output of dwang (8) inlays and inserts the inside of chamber way (6) and first gear of fixedly connected with (12), the outside meshing of first gear (12) is connected with second gear (13), the bottom fixedly connected with valve rod (14) of second gear (13) and with valve plate (5) rotate and are connected.

2. The novel double-flange butterfly valve according to claim 1, wherein a first limiting sleeve (15) is provided at an output end of the valve rod (14), a second limiting sleeve (16) is fixedly connected to an end of the valve plate (5) far away from the valve rod (14), a limiting bottom rod is provided inside the second limiting sleeve (16), and the first limiting sleeve (15) and the second limiting sleeve (16) are arranged correspondingly to each other.

3. A novel double-flange butterfly valve according to claim 1, characterized in that a sealing sleeve (17) is arranged on the outer side of the valve plate (5), a sealing gasket is arranged inside the sealing sleeve (17), and the sealing gasket is made of stainless steel.

4. The novel double-flange butterfly valve according to claim 2, wherein the first limiting sleeve (15) and the second limiting sleeve (16) are both cylindrical sleeve structures, and the first limiting sleeve (15) and the second limiting sleeve (16) are respectively and rotatably connected with the valve rod (14) and the limiting bottom rod.

5. A new type of double-flange butterfly valve according to claim 1, characterized in that the outside of the turning rod (8) is provided with a sleeve (11) and is fixedly connected inside the cavity (6).

6. A new type of double-flange butterfly valve according to claim 1, characterized in that a sealing tube is fixedly connected inside the supercharger (9), said sealing tube passing through the inside of the double-flange butterfly valve body (1) of the chamber (6).

7. A new double flange butterfly valve according to claim 1, characterised in that the inside of said cavity (6) is filled with a sealant.

8. A new type of double flange butterfly valve according to claim 1, characterized in that the inside of the body (1) of the double flange butterfly valve is provided with a reinforcement rib, the diameter of which is smaller than the diameter of the valve plate (5).