CN212745140U

CN212745140U - Take non return to filter ball valve

Info

Publication number: CN212745140U
Application number: CN202021813152.0U
Authority: CN
Inventors: 黄海葱
Original assignee: Zhejiang Huibo Valve Technology Co ltd
Current assignee: Zhejiang Huibo Valve Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-19
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a filtering ball valve with check function, which comprises a valve body, a check valve and a ball valve are installed on the inner side of the valve body, the ball valve is located one side of the check valve, a valve rod is installed on the top of the ball valve, a handle is installed on the top of the valve rod, a locknut is installed on the top of the handle, a press cap, a filler and an O-shaped ring are sequentially installed on the inner side of the handle from top to bottom, a valve cap is installed at one end of the valve body, an extension pipe is installed at the bottom end of the valve body, a valve cover is installed at the bottom end of the extension pipe, a flat washer is installed between the valve cover and the extension pipe, a filter screen is installed on the inner side of the extension pipe, thread grooves are respectively formed on the outer side of the; the utility model provides the high leakproofness of ball valve, and improved the life of ball valve, made things convenient for the clearance process to crossing the filter simultaneously.

Description

Take non return to filter ball valve

Technical Field

The utility model belongs to filter the ball valve field, specifically be a take non return to filter ball valve.

Background

The ball valve is driven by a valve rod and can rotate around the axis of the ball valve, and the valve can also be used for regulating and controlling fluid, wherein a V-shaped core of the hard-seal V-shaped ball valve and a metal valve seat of surfacing hard alloy have strong shearing force, and the multi-way ball valve is particularly suitable for media containing fibers, tiny solid particles and the like, can flexibly control the confluence, the diversion and the flow direction switching of the media on a pipeline, and can also close any channel to connect the other two channels.

The existing filtering ball valve has some disadvantages, and the existing filtering ball valve usually adopts a single-channel sealing structure, namely an O-shaped ring sealing structure or a packing sealing structure, so that the sealing performance is poor and the service life is short; the existing filtering ball valve is troublesome to the cleaning process of the filtering objects, and the backflow phenomenon of water is easy to occur during cleaning, so that the cleaning is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filtering ball valve with a check, which effectively solves the problems that the existing filtering ball valve usually adopts a single sealing structure, either an O-shaped ring sealing structure or a packing sealing structure, resulting in poor sealing performance and short service life; the existing filtering ball valve is troublesome to the cleaning process of the filtering objects, and the backflow phenomenon of water is easy to occur during cleaning, so that the technical problem of inconvenient cleaning is caused.

The purpose of the utility model can be realized by the following technical scheme:

a ball valve with a check filter comprises a valve body, wherein a check valve and a ball valve are arranged on the inner side of the valve body, the ball valve is positioned on one side of the check valve, a valve rod is arranged at the top end of the ball valve, a handle is arranged at the top end of the valve rod, and a check nut is arranged at the top end penetrating through the handle;

the inboard from the top down of handle installs in proper order and presses cap, filler and O shape circle, the valve cap is installed to the one end of valve body, and the extension pipe is installed to the bottom of valve body, the valve gap is installed to the bottom of extension pipe, install the plain washer between valve cap and the extension pipe, the filter screen is installed to the inboard of extension pipe.

As a further proposal of the utility model, the thread groove has all been seted up with the bottom inboard of extension pipe in the top outside of valve gap, and the valve gap passes through thread groove fixed connection with the extension pipe.

As a further aspect of the present invention, the ball valve is movably connected to the inner side of the valve body.

As a further proposal of the utility model, the valve rod is connected with the handle transmission.

As a further proposal of the utility model, the O-shaped ring is in contact connection with the outer side of the valve rod.

As a further proposal of the utility model, the packing is in contact connection with the outside of the valve rod.

The utility model has the advantages that:

the utility model realizes the double-sealing structure by arranging the O-shaped ring and the filler, can improve the sealing degree of the valve body, and leads the water flow to be normally transported along the pipeline direction of the valve body, thereby reducing the loss of the water flow and realizing zero dripping and leakage of the mesopores, and the double-sealing structure greatly prolongs the service life of the valve;

through setting up extension pipe and check valve, when needing to clear up, rotate the water pressure of ball valve with the water inlet and seal, later rotate the valve gap of extension pipe bottom and open, take out the inboard filter screen of extension pipe, later with the filth clean up on the filter screen, the check valve in the valve body can block the rivers refluence of the other end, later puts back the filter screen normal position to close the extension pipe with the valve gap, the plain washer can increase the frictional force between valve gap and the extension pipe.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. a valve body; 2. a check valve; 3. a valve stem; 4. a locknut; 5. a handle; 6. pressing the cap; 7. a filler; 8. an O-shaped ring; 9. a ball valve; 10. a bonnet; 11. a valve cover; 12. a flat washer; 13. a filter screen; 14. an extension pipe.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, a ball valve with a non-return filter comprises a valve body 1, a non-return valve 2 and a ball valve 9 are mounted on the inner side of the valve body 1, the ball valve 9 is positioned on one side of the non-return valve 2, a valve rod 3 is mounted at the top end of the ball valve 9, a handle 5 is mounted at the top end of the valve rod 3, and a locknut 4 is mounted at the top end penetrating through the handle 5;

the pressure cap 6, the filler 7 and the O-shaped ring 8 are sequentially arranged on the inner side of the handle 5 from top to bottom, the valve cap 10 is arranged at one end of the valve body 1, the extension pipe 14 is arranged at the bottom end of the valve body 1, the valve cap 11 is arranged at the bottom end of the extension pipe 14, the flat gasket 12 is arranged between the valve cap 11 and the extension pipe 14, and the filter screen 13 is arranged on the inner side of the extension pipe 14.

Thread grooves are formed in the outer side of the top end of the valve cover 11 and the inner side of the bottom end of the extension pipe 14, and the valve cover 11 is fixedly connected with the extension pipe 14 through the thread grooves.

The ball valve 9 is movably connected with the inner side of the valve body 1.

The valve rod 3 is in transmission connection with a handle 5.

The O-shaped ring 8 is in contact connection with the outer side of the valve rod 3, and the sealing degree of the valve body 1 is increased by arranging the O-shaped ring 8.

The packing 7 is in contact connection with the outer side of the valve rod 3, and the sealing degree of the valve body 1 is increased by arranging the packing 7.

A ball valve with non-return filter, when using, let rivers enter the valve block 1, drive the valve stem 3 to rotate through the rotating handle 5, the valve stem 3 drives the ball valve 9 rotation of the bottom, thus realize the function of blocking and opening of the control rivers, rivers can produce pressure in entering the valve block 1, realize the double-seal structure through setting up O-ring 8 and packing 7, can improve the degree of tightness of the valve block 1, let the rivers normally transport along the pipeline direction of the valve block 1, reduce the loss of rivers, accomplish the zero drip leakage of mesopore, the double-seal structure has greatly increased the life of the valve, through setting up extension pipe 14 and check valve 2, when needing to clear up, rotate the ball valve 9 and seal the water pressure of the water inlet, then rotate the valve bonnet 11 of the bottom of the extension pipe 14 and open, take out the filter screen 13 of the inboard of the extension pipe 14, then clear up the filtrations on the filter screen, the check valve 2 in the valve body 1 can block the water flow on the other end from flowing backwards, then the filter screen 13 is put back to the original position, the extension pipe 14 is closed by the valve cover 11, and the flat gasket 12 can increase the friction force between the valve cover 11 and the extension pipe 14.

The utility model realizes the double-sealing structure by arranging the O-shaped ring 8 and the filler 7, can improve the sealing degree of the valve body 1, and leads the water flow to be normally transported along the pipeline direction of the valve body 1, thereby reducing the loss of the water flow, realizing zero dripping and leakage of the middle hole, and greatly prolonging the service life of the valve by the double-sealing structure; through setting up extension pipe 14 and check valve 2, when needing to clear up, rotate ball valve 9 and seal the water pressure of water inlet, later rotate the valve gap 11 of extension pipe 14 bottom and open, take out the inboard filter screen 13 of extension pipe 14, later clear up the filth on the filter screen 13, check valve 2 in the valve body 1 can block the rivers refluence of the other end, later put filter screen 13 back to the normal position, and close extension pipe 14 with valve gap 11, flat packing ring 12 can increase the frictional force between valve gap 11 and the extension pipe 14.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The ball valve with the non-return filter is characterized by comprising a valve body (1), wherein a non-return valve (2) and a ball valve (9) are mounted on the inner side of the valve body (1), the ball valve (9) is located on one side of the non-return valve (2), a valve rod (3) is mounted at the top end of the ball valve (9), a handle (5) is mounted at the top end of the valve rod (3), and a check nut (4) penetrates through the top end of the handle (5);

the inboard from the top down of handle (5) is installed in proper order and is pressed cap (6), filler (7) and O shape circle (8), valve cap (10) are installed to the one end of valve body (1), and the bottom of valve body (1) installs extension pipe (14), valve gap (11) are installed to the bottom of extension pipe (14), install plain washer (12) between valve gap (11) and extension pipe (14), filter screen (13) are installed to the inboard of extension pipe (14).

2. The ball valve with the check filter function according to claim 1, wherein the outer side of the top end of the valve cover (11) and the inner side of the bottom end of the extension pipe (14) are both provided with a thread groove, and the valve cover (11) and the extension pipe (14) are fixedly connected through the thread grooves.

3. A ball valve with non-return filter according to claim 1, characterized in that said ball valve (9) is movably connected to the inside of the valve body (1).

4. A ball valve with non-return filter according to claim 1, characterized in that said valve stem (3) is drivingly connected to a handle (5).

5. A ball valve with non-return filter according to claim 1, characterized in that said O-ring (8) is in contact connection with the outside of the valve stem (3).

6. A ball valve with non-return filter according to claim 1, characterized in that said packing (7) is connected in contact with the outside of the valve stem (3).