CN216158312U

CN216158312U - Sealed wear-resisting butterfly valve

Info

Publication number: CN216158312U
Application number: CN202122158024.8U
Authority: CN
Inventors: 洪庆东; 丁林俊; 吴德标; 洪再来
Original assignee: Ouchuange Valve Co ltd
Current assignee: Ouchuange Valve Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a sealed wear-resistant butterfly valve which comprises a valve body, wherein flanges are welded on the front side and the rear side of the surface of the valve body, an inner shell is arranged in an inner cavity of the valve body, a valve plate is arranged on the inner side of the inner shell, a valve rod is sleeved on the top of the valve plate, the bottom of the valve rod penetrates through the bottom of the valve plate, a placing groove is formed in the bottom of the inner side of the valve body, a bearing seat is installed at the bottom of the inner cavity of the placing groove through a bolt, the top of the bearing seat is sleeved with the bottom of the valve rod, a rotating mechanism is arranged on the top of the valve body, a handle is arranged on the top of the rotating mechanism, and a locking mechanism is arranged on the bottom of the handle. The sealing wear-resistant butterfly valve provided by the utility model can not cause various fluids to flow out along the gap between the valve and the valve body, can not cause the poor sealing effect of the butterfly valve, and can not cause damage to the interior of the butterfly valve due to the contact and friction between the valve and the valve body when the valve rotates, thereby prolonging the service life of the butterfly valve.

Description

Sealed wear-resisting butterfly valve

Technical Field

The utility model relates to a device in the field of butterfly valves, in particular to a sealed wear-resistant butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (valve clack or butterfly plate) as a disc and rotating around a valve shaft to achieve opening and closing.

Present current butterfly valve, leakproofness and wearability are poor, and when people were closing the butterfly valve, make various fluid flow along the clearance between valve and the valve body easily, lead to the butterfly valve to seal the effect variation, and the valve is when rotatory, and the frictional force increase between the valve body, reduce its life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing wear-resistant butterfly valve, which solves the problems that the existing butterfly valve in the prior art is poor in sealing performance and wear resistance, when people close the butterfly valve, various fluids are easy to flow out along a gap between a valve and a valve body, the sealing effect of the butterfly valve is poor, and the valve is contacted and rubbed with the valve body when rotating, so that the interior of the butterfly valve is damaged, and the service life of the butterfly valve is shortened. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a sealed wear-resistant butterfly valve which comprises a valve body, wherein flanges are welded on the front side and the rear side of the surface of the valve body, an inner shell is arranged in an inner cavity of the valve body, a valve plate is arranged on the inner side of the inner shell, a valve rod is sleeved on the top of the valve plate, the bottom of the valve rod penetrates through the bottom of the valve plate, a placing groove is formed in the bottom of the inner side of the valve body, a bearing seat is installed at the bottom of the inner cavity of the placing groove through a bolt, the top of the bearing seat is sleeved with the bottom of the valve rod, a rotating mechanism is arranged on the top of the valve body, a handle is arranged on the top of the rotating mechanism, and a locking mechanism is arranged on the bottom of the handle.

Preferably, the top of the valve body is provided with a through groove, and a sealing ring is embedded in the inner cavity of the through groove.

Preferably, the top of the valve rod penetrates through the top of the sealing ring, and the top of the valve rod is sleeved with the bottom of the rotating mechanism.

Preferably, both sides at the top of the rotating mechanism are provided with screws, and the bottoms of the screws penetrate through the bottom of the rotating mechanism and are provided with nuts in a threaded manner.

Preferably, the outer side of the inner cavity of the inner shell is provided with a protective layer, and the inner side of the protective layer is provided with a contact layer. The protective layer is made of polyformaldehyde resin materials, and the contact layer is made of nylon materials.

Preferably, the outer side of the flange is provided with mounting openings, and the mounting openings are annularly and equidistantly distributed around the outer side of the flange.

The utility model provides a sealed wear-resisting butterfly valve which has the beneficial effects that: compare with original rotation regulation mode, the device can not make various fluid flow along the clearance between valve and the valve body, can not lead to the sealed effect variation of butterfly valve, and the valve when rotatory, with valve body contact and friction, can not make its inside impaired, increase its life.

Drawings

Fig. 1 is a general structural schematic diagram of a sealed wear-resistant butterfly valve of the utility model.

Fig. 2 is an exploded view of the valve body structure of a sealing wear-resistant butterfly valve.

Fig. 3 is a front sectional view of an inner shell structure of a sealing wear-resistant butterfly valve.

In the figure: 1. a valve body; 2. a flange; 3. an inner shell; 4. a valve plate; 5. a valve stem; 6. a placement groove; 7. a bearing seat; 8. a rotating mechanism; 9. a handle; 10. a locking mechanism; 11. a through groove; 12. a seal ring; 13. a protective layer; 14. a contact layer; 15. and (7) installing the opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The following describes in detail a specific embodiment of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.

Referring to fig. 1, fig. 2 and fig. 3, as shown in the figure, a sealed wear-resisting butterfly valve, including valve body 1, flange 2 has all been welded to the front side and the rear side on valve body 1 surface, the inner chamber of valve body 1 is provided with inner shell 3, the inboard of inner shell 3 is provided with valve plate 4, valve rod 5 has been cup jointed at the top of valve plate 4, the bottom of valve rod 5 runs through the bottom of valve plate 4, standing groove 6 has been seted up to the bottom of valve body 1 inboard, bearing frame 7 is installed through the bolt in the bottom of standing groove 6 inner chamber, the top of bearing frame 7 cup joints with the bottom of valve rod 5, the top of valve body 1 is provided with slewing mechanism 8, slewing mechanism 8's top is provided with handle 9, the bottom of handle 9 is provided with locking mechanical system 10.

Through setting up standing groove 6 and bearing frame 7, played the effect of rotational stabilization to valve rod 5, effectively prevented that the phenomenon of rotational deviation from appearing in valve rod 5.

Wherein, the top of the valve body 1 is provided with a through groove 11, and a sealing ring 12 is embedded in the inner cavity of the through groove 11.

Through setting up logical groove 11 and sealing washer 12, played the spaced effect to valve body 1 and slewing mechanism 8, avoided the inside fluid of valve body 1 to spill over and take place the contact with slewing mechanism 8, lead to the phenomenon that the inside drive element of slewing mechanism 8 received the erosion.

Wherein, the top of the valve rod 5 penetrates through the top of the sealing ring 12, and the top of the valve rod 5 is sleeved with the bottom of the rotating mechanism 8.

Wherein, the both sides at slewing mechanism 8 top all are provided with the screw, and the bottom of screw runs through slewing mechanism 8's bottom and threaded mounting has the nut.

Through setting up screw and nut, effectively increased slewing mechanism 8's stability, prevented that the phenomenon of skew dispersion from appearing in the internal component.

Wherein, the outside of inner shell 3 inner chamber is provided with the inoxidizing coating 13, and the inboard of inoxidizing coating 13 is provided with contact layer 14. The protective layer 13 is made of polyoxymethylene resin material, and the contact layer 14 is made of nylon material.

Through setting up inoxidizing coating 13 and contact layer 14, effectively increased the life of valve body 1, avoided valve body 1 and valve plate 4 friction too big to lead to the impaired phenomenon of valve body 1.

Wherein, the outside of flange 2 is seted up installing port 15, and installing port 15 is cyclic annular equidistance and distributes around the flange 2 outside.

Through setting up installing port 15, play the effect of being connected fixedly to flange 2 and pipeline, solved flange 2 and the not hard up problem of pipeline appearance.

When the valve plate is used, a worker firstly connects the flange 2 with a pipeline through the mounting opening 15, then holds the handle 9 and applies force to the inner side to open the locking mechanism 10 so as to unlock the locking state of the rotating mechanism 8, the locking mechanism 10 and the rotating mechanism 8 are both of the existing structure and are applied in actual life, then the handle 9 is rotated in the horizontal direction, the handle 9 drives the valve rod 5 to rotate through the rotating mechanism 8, the valve rod 5 drives the valve plate 4 to rotate through the placing groove 6 and the bearing seat 7, the flexibility of rotation of the valve plate 4 is effectively increased through the arrangement of the placing groove 6 and the bearing seat 7, the friction force between the valve plate 4 and the inner shell 3 is reduced, meanwhile, due to the arrangement of the through groove 11 and the sealing ring 12, the sealing and blocking effect is achieved on fluid in the valve body 1, the phenomenon that the rotating mechanism 8 is corroded and damaged by the overflow of the fluid is prevented, the synchronous valve plate 4 rotates and is in contact with the contact layer 14, the material through setting up contact layer 14 is nylon materials and the material of inoxidizing coating 13 is polyoxymethylene resin material for valve plate 4 can not make inner shell 3 impaired at the rotation in-process, and then increases valve body 1's life, has solved the poor problem of current butterfly valve leakproofness and wearability.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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. The utility model provides a sealed wear-resisting butterfly valve, including valve body (1), a serial communication port, flange (2) have all been welded to the front side and the rear side on valve body (1) surface, the inner chamber of valve body (1) is provided with inner shell (3), the inboard of inner shell (3) is provided with valve plate (4), valve rod (5) have been cup jointed at the top of valve plate (4), the bottom of valve rod (5) runs through the bottom of valve plate (4), standing groove (6) have been seted up to the inboard bottom of valve body (1), bearing frame (7) are installed through the bolt in the bottom of standing groove (6) inner chamber, the top of bearing frame (7) and the bottom of valve rod (5) cup joint, the top of valve body (1) is provided with slewing mechanism (8), the top of slewing mechanism (8) is provided with handle (9), the bottom of handle (9) is provided with locking mechanical system (10).

2. The sealed wear-resistant butterfly valve of claim 1, wherein: the top of the valve body (1) is provided with a through groove (11), and a sealing ring (12) is embedded into an inner cavity of the through groove (11).

3. The sealed wear-resistant butterfly valve of claim 1, wherein: the top of the valve rod (5) penetrates through the top of the sealing ring (12), and the top of the valve rod (5) is sleeved with the bottom of the rotating mechanism (8).

4. The sealed wear-resistant butterfly valve of claim 1, wherein: the two sides of the top of the rotating mechanism (8) are provided with screws, and the bottoms of the screws penetrate through the bottom of the rotating mechanism (8) and are provided with nuts in a threaded mode.

5. The sealed wear-resistant butterfly valve of claim 1, wherein: the outer side of the inner cavity of the inner shell (3) is provided with a protective layer (13), and the inner side of the protective layer (13) is provided with a contact layer (14).

6. The sealed wear-resistant butterfly valve of claim 1, wherein: the outer side of the flange (2) is provided with mounting openings (15), and the mounting openings (15) are annularly and equidistantly distributed on the periphery of the outer side of the flange (2).