CN218935427U - Valve with filter effect - Google Patents

Abstract

The utility model discloses a valve with a filtering effect, which comprises a valve body, wherein the outlet end of the valve body is connected with a connecting pipe; a honeycomb duct and a first fixed ring are arranged in the connecting pipe; one end of the flow guide pipe penetrates through the hole of the first fixing ring, and a second fixing ring is arranged on the outer surface of the other end of the flow guide pipe; a spring is arranged between the first fixed ring and the second fixed ring; one end of the honeycomb duct, which is far away from the first fixed ring, is connected with one end of the first filter cylinder, the other end of the first filter cylinder is connected with one end of the second filter cylinder, and the other end of the second filter cylinder extends to the outlet end of the valve body; the surface of the second filter cylinder is provided with a transverse diversion filter hole. According to the utility model, the transverse diversion filter holes of the second filter cartridge and the filter element in the first filter cartridge can be used for filtering impurities in media step by step, so that the service time of the filter device is prolonged, and the maintenance times are reduced.

Description

Valve with filter effect

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a valve with a filtering effect.

Background

The conveying pipeline in the coal power plant is often provided with a plurality of valves, and the valves mainly comprise a valve body, a water outlet pipe and other parts, so that the circulation of liquid can be controlled; in the actual use process, most valves at present are not provided with a filter component, and impurities such as particles contained in a circulation medium can easily cause the phenomenon of blockage in the valve after long-time use; if only use simple filter screen to filter, when the pressure is great, the filter screen is destroyed easily to the faster velocity of flow of impurity, reduces filter component's filter effect, and then has reduced the suitability of valve.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a valve with a filtering effect, and solves the technical problems that the existing valve only uses a filter screen for filtering, the effect is poor, the filter screen is broken after long-time use, and the interior of the valve is easy to be blocked.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the valve with the filtering effect comprises a valve body, wherein the outlet end of the valve body is connected with a connecting pipe, and the valve body is connected with the connecting pipe through a flange; a honeycomb duct and a first fixed ring are arranged in the connecting pipe; one end of the flow guide pipe penetrates through the first fixed ring and extends to pass through the first fixed ring, a second fixed ring is arranged on the outer surface of the other end of the flow guide pipe, and a spring is arranged between the first fixed ring and the second fixed ring; one end of the flow guide pipe, which is far away from the first fixing ring, is clamped with one end of the first filter cartridge, the other end of the first filter cartridge is connected with one end of the second filter cartridge, and the other end of the second filter cartridge extends to the outlet end of the valve body; the surface of the second filter cylinder is provided with a transverse diversion filter hole; the outer surface of first cartridge filter is equipped with a plurality of card post, spout, draw-in groove have been seted up to the internal surface of connecting pipe, card post with spout sliding connection.

Preferably, a sealing ring is sleeved outside the flange.

Preferably, a filter element is arranged in the first filter cartridge, one side of the filter element is connected with a filter screen, and the filter screen is positioned on the side surface of a through hole formed in the first filter cartridge.

Preferably, an arc-shaped groove is formed in the side surface of one end, close to the first filter cylinder, of the guide pipe, and a fixing rod is arranged on the side surface of one end, close to the guide pipe, of the first filter cylinder; the fixing rod is in sliding connection with the arc-shaped groove.

Preferably, the second filter cartridge is of a conical structure; the conical top side of the second filter cartridge faces the outlet end of the valve body, and the conical bottom side of the second filter cartridge is connected with the first filter cartridge.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the valve with the filtering effect, the valve body and the connecting pipe can be detached through the flange, and then the first filter cartridge and the second filter cartridge are pulled out, so that the first filter cartridge and the second filter cartridge can be cleaned, and the influence on daily operation of a pipeline is small.

2. According to the valve with the filtering effect, impurities in the medium can be filtered step by step through the transverse diversion filtering holes of the second filter cylinder and the filter element in the first filter cylinder, and the valve is different from the conventional indiscriminate filtering of the filter screen, so that the service time of the filtering device can be prolonged, and the maintenance times can be reduced.

3. According to the valve with the filtering effect, the first filter cartridge and the second filter cartridge can be timely detached from the connecting pipe by adopting the quick fit between the sliding groove and the clamping column, so that the first filter cartridge and the second filter cartridge can be conveniently cleaned at regular time, and the assembly is more convenient after the cleaning is finished.

4. According to the valve with the filtering effect, the transverse diversion filtering holes formed in the side face of the second filtering cylinder can filter larger sand particles in water, the flow speed of medium discharged by the valve body is reduced, meanwhile, the water flowing through the second filtering cylinder can be uniformly dispersed, and the water flows to the filter element in the first filtering cylinder, so that fine impurities in the water can be filtered by the filter element, impurities filtered by the filter element can be separated and collected by the filter screen, the filter element is positioned and protected, the filter element is prevented from being damaged under the action of water pressure by the direct contact through holes of the filter element, and the transverse diversion filtering holes and the filter element can be used for filtering water in a grading manner, so that the filtering function and the filtering effect of the valve in use are guaranteed.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of a valve body according to the present utility model;

FIG. 3 is a schematic view showing a cross-sectional structure of a first filter cartridge according to the present utility model;

FIG. 4 is a schematic view of a three-dimensional structure of a flow guide tube according to the present utility model;

in the figure: the filter comprises a valve body 1, an arc-shaped groove 2, a connecting pipe 3, a sealing ring 4, a fixing rod 5, a honeycomb duct 6, a first filter cartridge 7, a second filter cartridge 8, a spring 9, a flange 10, a filter element 11, a filter screen 12, a chute 13, a clamping column 14, a through hole 15 and a transverse split-flow filter hole 16.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Example 1

Referring to fig. 1 to 4, a valve having a filtering effect includes a valve body 1, and in this embodiment, the valve body 1 may be a ball valve; the outlet end of the valve body 1 is connected with the connecting pipe 3 through a flange 10, and a sealing ring 4 is sleeved outside the flange 10; through setting up sealing washer 4 and flange 10, at normal work, valve body 1 accomplishes fixed connection through flange 10 and connecting pipe 3, when needing to maintain, can be with valve body 1 and connecting pipe 3 separation through dismantling flange 10, be convenient for maintain the part in valve body 1 and the connecting pipe 3, sealing washer 4 keeps apart flange 10 and external world, can play rust-resistant anticorrosive effect to flange 10, has prolonged flange 10's life.

The connecting pipe 3 is of a hollow tubular structure, and a first fixing ring is arranged on the inner wall of one end, far away from the valve body 1, of the connecting pipe 3; a flow guide pipe 6 is arranged in the connecting pipe 3, the flow guide pipe 6 is also of a hollow tubular structure, and one end of the flow guide pipe 6 is connected with the first fixed ring and can extend through a hole of the first fixed ring; the outer surface of the other end of the flow guide pipe 6 is also provided with a second; one end of the flow guide pipe 6, which is close to the second fixed ring, is clamped with one end of the first filter cartridge 7; the outer surface of the flow guide pipe 6 is also provided with a plurality of springs 9, one end of each spring 9 is connected with the first fixed ring, the other end of each spring 9 is connected with the second fixed ring, and the springs 9 are limited in the first fixed ring, the second fixed ring, the inner surface of the connecting pipe 3 and the area surrounded by the outer surface of the flow guide pipe 6;

one end of the flow guide pipe 6 far away from the first fixed ring is connected with one end of the first filter cartridge 7 in a clamping way; the other end of the first filter cartridge 7 is connected with one end of the second filter cartridge 8 in a threaded connection mode; the other end of the second filter cartridge 8 extends to the outlet end of the valve body 1; the lateral surface of the second filter cartridge 8 is provided with transverse diversion filter holes 16, and the transverse diversion filter holes 16 are uniformly distributed on the measuring surface of the second filter cartridge 8; the end of the second filter cartridge 8 facing the outlet end of the valve body is a cover plate.

The outer surface of the first filter cartridge 7 is provided with a plurality of clamping columns 14, and the inner surface of the connecting pipe 3 is provided with a sliding groove and a clamping groove 13; the arrangement of the clamping column 14 corresponds to the arrangement of the sliding groove, and the clamping column 14 can slide in the sliding groove; the clamping groove 13 is arranged beside the chute and is communicated with the chute. When in use, when an operator puts the first filter cartridge 7 into the connecting pipe 3, the clamping column 14 on the surface of the first filter cartridge 7 is aligned with the sliding groove, the first filter cartridge 7 is pushed inwards, the clamping column 14 on the first filter cartridge 7 slides in the sliding groove, after the first filter cartridge 7 slides to the corresponding position, the clamping column 14 is driven to rotate by rotating the first filter cartridge 7, so that the clamping column 14 slides into the clamping groove 13, and the clamping assembly is completed; the sliding groove has guiding function on the clamping column 14 in the process, so that the flexibility of the valve in installation is improved; meanwhile, by designing the position of the clamping groove 13, when the first filter cartridge 7 is installed, the first filter cartridge 7 can be extruded to the guide pipe 6 to a certain extent, and the spring 9 is compressed to generate reverse thrust to the first filter cartridge 7, so that after the clamping column 14 slides into the clamping groove 13, the clamping column 14 can be stably fixed in the clamping groove 13.

Before use, the spring 9 and the guide pipe 6 are sequentially placed into the connecting pipe 3 to complete assembly, the first filter cartridge 7 and the second filter cartridge 8 are sequentially assembled, and then the connecting pipe 3 and the valve body 1 are fixedly connected through the flange 10; when the filter is used, the valve body is opened, a medium flows into the connecting pipe from the outlet end of the valve body and firstly contacts the second filter cartridge 8, the end of the second filter cartridge 8 facing the outlet end of the valve body is a cover plate, the medium is blocked by the cover plate, the medium enters the second filter cartridge 8 from the transverse diversion filter holes 16 formed in the side surface, the transverse diversion filter holes 16 can filter impurities with larger particles in water, the medium enters the second filter cartridge 8 and flows into the first filter cartridge 7, the filter element 11 can be arranged in the first filter cartridge 7, and the filter element 11 can further filter the smaller particles; the service life of the filter element 11 can be prolonged by filtering large particles and filtering small particles; because the particles filtered are not easy to accumulate in the transverse diversion filter holes 16 due to the flushing effect of the medium, frequent blockage of the diversion filter holes 16 can not be caused in the normal use process, and the particles can be cleaned and maintained normally after one end of use; after the filtration of the medium in the first filter cartridge 7, the medium flows into the connection pipe 3 through the flow guide pipe 6 and into other pipes connected to the connection pipe 3.

Simultaneously, the spring 9 is arranged in the embodiment, when the flow speed of the medium is large and the second filter cartridge 8 is impacted, the impact force is transmitted to the first filter cartridge 7 and the first filter cartridge 7 to the flow guide pipe 6 by the second filter cartridge 8, the flow guide pipe 6 is movable and can extend to pass through the through hole of the first fixed ring, the flow guide pipe 6 drives the second fixed ring to move and compress the spring 9 in the process, the first fixed ring is arranged on the inner wall of the connecting pipe 3 and can not move, the spring 9 is compressed, the buffering effect is achieved, and the condition that the filter cartridge is damaged due to overlarge flow speed of the medium is avoided.

Example two

This embodiment is a preferred scheme of embodiment one, see fig. 3, be equipped with filter core 11 in the first cartridge filter 7, one side of filter core 11 is connected with filter screen 12, filter screen 12 is located the through-hole 15 side of seting up in the first cartridge filter 7, through setting up filter screen 12 and filter core 11, filter core 11 can filter tiny debris in the aquatic, filter screen 12 plays location and guard action to filter core 11, avoid filter core 11 direct contact through-hole 15 to take place to damage under the effect of medium pressure, also be convenient for follow-up maintenance to filter core 11 and clear up impurity.

Example III

In this embodiment, as a preferred solution of the first embodiment, referring to fig. 4, an arc-shaped slot 2 is formed on a side surface of one end of the flow guiding tube 6, which is close to the first filter cartridge 7, and a fixing rod 5 is disposed on a side surface of one end of the first filter cartridge 7, which is close to the flow guiding tube 6; the fixed rod 5 is in sliding connection with the arc-shaped groove 2.

Through setting up arc wall 2, when first cartridge filter 7 installs, the dead lever 5 of first cartridge filter 7 side can carry out the joint with the arc wall 2 of honeycomb duct 6 one end, and dead lever 5 also can slide in arc wall 2 when then leading to rotatory first cartridge filter 7 for arc wall 2 has certain spacing effect to dead lever 5, has avoided dead lever 5 to appear the phenomenon of dislocation when the joint.

Example IV

This embodiment is a preferred version of the first embodiment, and referring to fig. 2 and 3, the second filter cartridge 8 has a tapered structure; the conical top side of the second filter cartridge 8 faces the outlet end of the valve body 1, and the conical bottom side of the second filter cartridge 8 is connected with the first filter cartridge 7.

By being tapered, the flow of media is diverted by the apex of the cone, so that it flows evenly to the side surface of the second filter cartridge 8, ensuring that each of the transverse diverter filter holes 16 is utilized, rather than being filtered in a concentrated manner in certain areas, thereby extending the service life of the second filter cartridge; in addition, the conical design can also enable larger impurity particles to be difficult to deposit on the side surface of the second filter cartridge 8 under the action of medium flow, so that the situation that the split-flow filter holes 16 are blocked in the normal use process is reduced, and only the second filter cartridge 8 needs to be maintained regularly.

The first to fourth embodiments can also form a general technical scheme, and the medium is water to describe the working process of the general technical scheme:

when the filter is used, the valve body 1 is opened firstly, water flows to the outlet end through the inlet end of the valve body 1 and then flows to the transverse diversion filter holes 16 formed in the second filter cartridge 8, the transverse diversion filter holes 16 can filter larger impurity particles in the water, and the water flow can be uniformly dispersed by the conical design of the second filter cartridge 8, so that a better filtering effect is obtained; after being filtered by the second filter cartridge 8, the water enters the first filter cartridge 7, the filter core 11 in the first filter cartridge 7 filters fine impurity particles in the water, and the treated water flows from the connecting pipe 3 to other pipelines after passing through the first filter cartridge 7 and the flow guide pipe 6 in sequence;

when the maintenance and cleaning valve is needed, the valve body 1 and the connecting pipe 3 can be detached through the flange 10, then the second filter cartridge 8 is manually rotated to drive the clamping column 14 on the surface of the first filter cartridge 7 to be separated from the clamping groove 13, then the second filter cartridge 8 is pulled to take out the first filter cartridge 7 from the connecting pipe 3, meanwhile, the first filter cartridge 7 is separated from the flow guide pipe 6, then the first filter cartridge 7 and the second filter cartridge 8 are rotated to separate threaded joints of the first filter cartridge 7 and the second filter cartridge 8, the filter core 11 and the filter screen 12 can be taken out, after the filter core 11 and the filter screen 12 are maintained and replaced, the first filter cartridge 7 and the second filter cartridge 8 can be installed in the connecting pipe 3 again, and after the connecting pipe 3 and the valve body 1 are installed, the valve body 1 can be opened for reuse.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims (5)

1. Valve with filter effect, including valve body (1), its characterized in that:

the outlet end of the valve body (1) is connected with a connecting pipe (3), and the valve body (1) is connected with the connecting pipe (3) through a flange (10);

a honeycomb duct (6) and a first fixed ring are arranged in the connecting pipe (3); one end of the flow guide pipe (6) penetrates through the first fixed ring and extends to penetrate through the first fixed ring, a second fixed ring is arranged on the outer surface of the other end of the flow guide pipe (6), and a spring (9) is arranged between the first fixed ring and the second fixed ring;

one end of the flow guide pipe (6) far away from the first fixed ring is connected with one end of the first filter cylinder (7), the other end of the first filter cylinder (7) is connected with one end of the second filter cylinder (8), and the other end of the second filter cylinder (8) extends to the outlet end of the valve body (1);

the surface of the second filter cylinder (8) is provided with a transverse diversion filter hole (16);

the outer surface of first cartridge filter (7) is equipped with a plurality of card post (14), spout, draw-in groove (13) have been seted up to the internal surface of connecting pipe (3), card post (14) with spout sliding connection.

2. The valve with filtering effect according to claim 1, wherein: and a sealing ring (4) is sleeved outside the flange (10).

3. The valve with filtering effect according to claim 1, wherein: the novel filter is characterized in that a filter element (11) is arranged in the first filter cartridge (7), one side of the filter element (11) is connected with a filter screen (12), and the filter screen (12) is positioned on the side face of a through hole (15) formed in the first filter cartridge (7).

4. The valve with filtering effect according to claim 1, wherein: an arc-shaped groove (2) is formed in the side face of one end, close to the first filter cylinder (7), of the guide tube (6), and a fixing rod (5) is arranged on the side face of one end, close to the guide tube (6), of the first filter cylinder (7); the fixing rod (5) is in sliding connection with the arc-shaped groove (2).

5. The valve with filtering effect according to claim 1, wherein: the second filter cartridge (8) is of a conical structure; the conical top side of the second filter cartridge (8) faces the outlet end of the valve body (1), and the conical bottom side of the second filter cartridge (8) is connected with the first filter cartridge (7).

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