CN219796133U

CN219796133U - Butterfly valve with filtering capability

Info

Publication number: CN219796133U
Application number: CN202320298769.0U
Authority: CN
Inventors: 陈永刚; 薛纪亥; 汪德维
Original assignee: Tanggong Valve Group Co ltd
Current assignee: Tanggong Valve Group Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-10-03
Anticipated expiration: 2033-02-23

Abstract

The utility model provides a butterfly valve with filtering capability, includes the valve body, be equipped with inlet channel, play water channel and valve rod in the valve body, fixed mounting has the valve plate on the valve rod, be equipped with the filter screen in the inlet channel, be equipped with cleaning element on the filter screen, cleaning element is including rotating the axis of rotation of installing on the filter screen, the axis of rotation external fixation has the cleaning brush, the cleaning brush includes the brush holder and fixes the brush hair on the brush holder, be equipped with the water inlet on the rotation axis, be equipped with the inlet tube with the water inlet butt joint on the brush holder, the inlet tube bottom is equipped with the water storage chamber, sets up the cleaning brush and installs on the filter screen, through the interior water inlet of valve body, rivers get into the inlet tube through the water inlet, enter into the water storage chamber from the inlet tube again, drive rotation with the cleaning brush through the brush holder tip, can reduce the probability that the filter screen was blocked to can not influence the normal work of valve.

Description

Butterfly valve with filtering capability

Technical Field

The utility model relates to a butterfly valve with a filtering function, and belongs to the field of valves.

Background

The butterfly valve is called as a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media. The opening and closing piece of the butterfly valve is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve in the valve body, so that the purpose of opening and closing or adjusting is achieved. The butterfly valve is mainly used as a cut-off valve, and can also be designed into a valve with the functions of regulation or cut-off and regulation. The butterfly valve is applied to various occasions and can be used for controlling various mediums such as air, water, slurry, oil products and the like.

The fluid medium is generally doped with impurities, the existing butterfly valve does not have a filtering function, the impurities can be deposited in the butterfly valve to easily cause blockage under long-term use conditions, the butterfly valve with the filter screen generally has the problem that the screen surface is easy to block under long-term use, the valve is inconvenient to replace after being installed, and the filter screen cannot be replaced in time.

Disclosure of Invention

The utility model aims to overcome the defects and the shortcomings of the prior art and provides a butterfly valve with a filtering function.

Further, be equipped with the torsional spring outside the axis of rotation, the one end of torsional spring is fixed outside the axis of rotation, and the other end is fixed in the filter screen, sets up the torsional spring and can help the cleaning brush to reset, derives the water in the water storage chamber, makes the cleaning brush resume original position.

Preferably, the cleaning brushes are symmetrically arranged above two sides of the rotating shaft, and the positions and the number of the cleaning brushes can be adjusted according to the size.

Further, the brush hair is abutted with the screen surface of the filter screen and used for cleaning impurities on the screen surface.

Further, two ends of the filter screen are fixed in the valve body through bolts.

Further, the bolt sleeve is provided with a first sealing ring positioned outside the valve body and a second sealing ring positioned in the valve body, and the two sealing rings are arranged to increase the tightness, so that the water leakage is avoided.

Preferably, a spring is abutted between the first sealing ring and the second sealing ring, and the elastic force of the spring can enable the first sealing ring and the second sealing ring to be abutted to two sides, so that the tightness is further improved.

The beneficial effects of the utility model are as follows: the cleaning brush is arranged on the filter screen, water enters the water inlet pipe through the water inlet, water enters the water storage cavity from the water inlet pipe, the cleaning brush is driven to rotate through weight gain at the end part of the brush seat, the filter screen is cleaned, the blocking probability of the filter screen can be reduced, and the normal operation of the valve can not be influenced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a main body structure diagram of the filter screen;

FIG. 4 is a partial cross-sectional view of a filter screen;

FIG. 5 is an enlarged detail view at A in FIG. 2;

in the figure, 1, a valve body; 11. a water inlet channel; 12. a water outlet channel; 13. a valve stem; 14. a valve plate; 2. a filter screen; 3. a cleaning member; 31. a rotating shaft; 311. a water inlet; 32. a cleaning brush; 321. a brush holder; 322. a water inlet pipe; 323. a water storage cavity; 33. brushing; 34. a torsion spring; 4. a bolt; 41. a first seal ring; 42. a second seal ring; 43. and (3) a spring.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.

The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1-4, an embodiment of a butterfly valve with a filtering function according to the present utility model includes a valve body 1, a water inlet channel 11, a water outlet channel 12 and a valve rod 13 are provided in the valve body 1, a valve plate 14 is fixedly installed on the valve rod 13, a filter screen 2 is provided in the water inlet channel 11, a cleaning member 3 is provided on the filter screen 2, the cleaning member 3 includes a rotating shaft 31 rotatably installed on the filter screen 2, a cleaning brush 32 is fixed on the outer surface of the rotating shaft 31, the cleaning brush 32 includes a brush seat 321 and bristles 33 fixed on the brush seat 321, a water inlet 311 is provided on the rotating shaft, a water inlet pipe 322 abutting against the water inlet 311 is provided on the brush seat 321, a water storage cavity 323 is provided at the bottom of the water inlet pipe 322, the cleaning brush 32 is installed on the filter screen 2, water enters the water inlet pipe 322 through the valve body 1, enters the water storage cavity 323 from the water inlet pipe 322, and is driven to rotate by weight gain at the end of the brush seat 321, thereby cleaning the filter screen 2, so that the probability of blocking the filter screen 2 can be reduced, and normal operation of the valve is not affected.

The torsional spring 34 is arranged outside the rotating shaft 31, one end of the torsional spring 34 is fixed outside the rotating shaft 31, the other end of the torsional spring 34 is fixed in the filter screen 2, the torsional spring 34 is arranged to help the cleaning brush 32 to reset, and water in the water storage cavity 323 is led out, so that the cleaning brush 32 returns to the original position. The cleaning brushes 32 are symmetrically disposed above both sides of the rotating shaft 31, and the positions and the number of the cleaning brushes 32 can be adjusted according to the size. The brush hair 33 is abutted with the screen surface of the filter screen 2 and used for cleaning impurities on the screen surface 2. The two ends of the filter screen 2 are fixed in the valve body 1 through bolts 4.

As shown in fig. 1-5, an embodiment of a butterfly valve with a filtering function according to the present utility model includes a valve body 1, a water inlet channel 11, a water outlet channel 12 and a valve rod 13 are provided in the valve body 1, a valve plate 14 is fixedly installed on the valve rod 13, a filter screen 2 is provided in the water inlet channel 11, a cleaning member 3 is provided on the filter screen 2, the cleaning member 3 includes a rotating shaft 31 rotatably installed on the filter screen 2, a cleaning brush 32 is fixed on the outer surface of the rotating shaft 31, the cleaning brush 32 includes a brush seat 321 and bristles 33 fixed on the brush seat 321, a water inlet 311 is provided on the rotating shaft, a water inlet pipe 322 abutting against the water inlet 311 is provided on the brush seat 321, a water storage cavity 323 is provided at the bottom of the water inlet pipe 322, the cleaning brush 32 is installed on the filter screen 2, water enters the water inlet pipe 322 through the valve body 1, enters the water storage cavity 323 from the water inlet pipe 322, and is driven to rotate by weight gain at the end of the brush seat 321, thereby cleaning the filter screen 2, so that the probability of blocking the filter screen 2 can be reduced, and normal operation of the valve is not affected.

This embodiment differs from the above-described embodiment in that, referring to fig. 1 to 5, both ends of the filter screen 2 are fixed in the valve body 1 by bolts 4. The bolt 4 is sleeved with a first sealing ring 41 positioned outside the valve body 1 and a second sealing ring 42 positioned in the valve body 1, and the two sealing rings are arranged to increase the tightness, so that the water leakage is avoided. A spring 43 is abutted between the first seal ring 41 and the second seal ring 42, and the elastic force of the spring 43 can abut the first seal ring 41 and the second seal ring 42 to both sides, thereby further increasing the sealing property.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

While the utility model has been described with reference to several particular embodiments, it should be understood that the utility model is not limited to the particular embodiments disclosed. The utility model is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The utility model provides a butterfly valve with filtering capability, includes the valve body, be equipped with inlet channel, play water channel and valve rod in the valve body, fixed mounting has the valve plate on the valve rod, its characterized in that: the filter screen is arranged in the water inlet channel, the filter screen is provided with a cleaning component, the cleaning component comprises a rotating shaft which is rotatably arranged on the filter screen, a cleaning brush is fixedly arranged outside the rotating shaft, the cleaning brush comprises a brush seat and bristles which are fixedly arranged on the brush seat, a water inlet is arranged on the rotating shaft, a water inlet pipe which is in butt joint with the water inlet is arranged on the brush seat, and a water storage cavity is arranged at the bottom of the water inlet pipe.

2. The butterfly valve with filtering function according to claim 1, wherein: the rotary shaft is provided with a torsion spring, one end of the torsion spring is fixed outside the rotary shaft, and the other end of the torsion spring is fixed in the filter screen.

3. The butterfly valve with filtering function according to claim 1, wherein: the cleaning brushes are symmetrically arranged above two sides of the rotating shaft.

4. The butterfly valve with filtering function according to claim 1, wherein: the brush hair is abutted with the surface of the filter screen.

5. The butterfly valve with filtering function according to claim 1, wherein: the two ends of the filter screen are fixed in the valve body through bolts.

6. The butterfly valve with filtering function according to claim 5, wherein: the bolt sleeve is provided with a first sealing ring positioned outside the valve body and a second sealing ring positioned in the valve body.

7. The butterfly valve with filtering function according to claim 6, wherein: and a spring is abutted between the first sealing ring and the second sealing ring.