CN220016135U - Control valve capable of preventing blockage - Google Patents

Abstract

The utility model discloses an anti-blocking control valve, which belongs to the field of valves and comprises a valve body and a filter pipe arranged at the inlet end of the valve body, wherein a shell is arranged at the top of the valve body, a screw is rotatably arranged on the inner top wall of the shell, a first motor for driving the screw to rotate is fixedly arranged at the top of the shell, a valve plate is connected with the lower end of the screw in a threaded manner, a filter plate is arranged in the filter pipe, a limiting block is fixedly connected with one side of the inner wall of the valve body, a spring is fixedly connected between the filter plate and the limiting block, a second motor is fixedly arranged at the top of the filter pipe, a cam is fixedly connected with the output end of the second motor, and the cam is positioned at one side of the filter plate far away from the spring; through stopper, spring, second motor and cam's setting, can make the filter constantly vibrate, reduce the impurity of adhesion filter surface, improve the rate of passage of filter, guarantee the normal of velocity of flow.

Description

Control valve capable of preventing blockage

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to an anti-blocking control valve.

Background

The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. When the existing valve controls water flow, when impurities are contained in the water flow, the impurities are accumulated at the valve core, and the valve is easy to be blocked.

The current chinese patent with publication number CN208107186U discloses a control valve that can prevent blockking up, including valve body and collection box, the collection mouth has been seted up to the right side bottom surface of valve body, the lower fixed surface of valve body installs annular thread board, and the collection mouth is located the inboard of annular thread board, the screw thread has been seted up to the upper end inboard of collection box, and the collection box passes through the screw thread spiro union on annular thread board, the slot has been seted up to the right side upper surface of valve body, peg graft in the slot has the filter, and the lower extreme of filter inserts in the collection mouth.

With respect to the related art as described above, the inventors found that there are at least the following problems in this technology: although the filter plate can be detached and replaced, impurities are easily attached to the surface of the filter plate in the use process, the passing rate of the filter plate is reduced, and therefore the flow rate is easily affected.

Disclosure of Invention

The utility model aims to provide an anti-blocking control valve, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but control valve of jam is prevented, includes the valve body and installs the filter tube at the valve body entrance point, the top of valve body is equipped with the casing, the interior roof of casing rotates installs the screw rod, the top fixed mounting of casing has the first motor that is used for driving screw rod pivoted, the lower extreme threaded connection of screw rod has the valve plate, the inside of filter tube is equipped with the filter, the valve body inner wall is located one side fixedly connected with stopper of filter, fixedly connected with spring between filter and the stopper, the top fixed mounting of filter tube has the second motor, the output fixedly connected with cam of second motor, the cam is located one side that the spring was kept away from to the filter.

As a preferred embodiment, a guide rod is fixedly arranged in the shell, and the upper end of the valve plate is in sliding connection with the guide rod.

As a preferred embodiment, the filter tube and the valve body are fixedly mounted by a plurality of bolts.

As a preferred implementation mode, a limiting rod is fixedly connected to one side, close to the spring, of the filter plate, and the limiting rod penetrates through the limiting block in a sliding mode.

As a preferred embodiment, a drain pipe is arranged at the bottom of the filter pipe.

As a preferred embodiment, the lower end of the sewage drain pipe is connected with a screw cap in a threaded manner.

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

according to the anti-blocking control valve, impurities in water flow can be filtered through the filter plate, the second motor can be started to drive the cam to rotate through the arrangement of the limiting block, the spring, the second motor and the cam, the cam intermittently knocks the filter plate, the filter plate is continuously vibrated under the action of the matching spring, and therefore impurities attached to the surface of the filter plate can be reduced, the passing rate of the filter plate is improved, and the normal flow rate is guaranteed;

the anti-blocking control valve can be used for cleaning impurities in the sewage pipe by periodically opening the spiral cover through the arrangement of the sewage pipe and the spiral cover.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

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

fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a valve body; 2. a filter tube; 3. a housing; 4. a screw; 5. a first motor; 6. a valve plate; 7. a filter plate; 8. a limiting block; 9. a spring; 10. a second motor; 11. a cam; 12. a guide rod; 13. a bolt; 14. a limit rod; 15. a blow-down pipe; 16. and (5) screwing the cover.

Detailed Description

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-3, the utility model provides an anti-blocking control valve, which comprises a valve body 1 and a filter pipe 2 arranged at the inlet end of the valve body 1, wherein the filter pipe 2 and the valve body 1 are fixedly arranged through a plurality of bolts 13, a shell 3 is arranged at the top of the valve body 1, a screw 4 is rotatably arranged on the inner top wall of the shell 3, the screw 4 is arranged towards the axis of the valve body 1, a first motor 5 for driving the screw 4 to rotate is fixedly arranged at the top of the shell 3, a valve plate 6 is in threaded connection with the lower end of the screw 4, and the first motor 5 and the valve plate 6 are arranged, so that the first motor 5 can be started to drive the screw 4 to rotate, the screw 4 drives the valve plate 6 to move along the screw 4, and the valve can be controlled to be opened and closed.

Wherein, guide rod 12 is fixedly installed in the casing 3, and valve plate 6 upper end and guide rod 12 sliding connection can play the guide effect to valve plate 6 through guide rod 12.

The inside of filter tube 2 is equipped with filter 7, can filter the impurity in the rivers through filter 7, avoid impurity to get into valve body 1 and cause the jam, one side fixedly connected with stopper 8 that valve body 1 inner wall is located filter 7, fixedly connected with spring 9 between filter 7 and the stopper 8, one side fixedly connected with gag lever post 14 that filter 7 is close to spring 9, gag lever post 14 slides and runs through stopper 8, the top fixed mounting of filter tube 2 has second motor 10, the output fixedly connected with cam 11 of second motor 10, cam 11 is located one side that spring 9 was kept away from to filter 7, through stopper 8, spring 9, the setting of second motor 10 and cam 11, can start second motor 10 and drive cam 11 and rotate, make cam 11 intermittent type nature strike filter 7, make filter 7 constantly vibrate under the cooperation spring 9 effect, thereby reducible impurity that adheres to filter 7 surface, improve the rate of filter 7, the normal of guarantee velocity of flow.

The bottom of filter tube 2 is equipped with blow off pipe 15, and the lower extreme threaded connection of blow off pipe 15 has spiral cover 16, through the setting of blow off pipe 15 and spiral cover 16, can open spiral cover 16 regularly and clear up the impurity in the blow off pipe 15.

The working principle and the using flow of the utility model are as follows: firstly, can filter the impurity in the rivers through filter 7, through stopper 8, spring 9, the setting of second motor 10 and cam 11, can start second motor 10 and drive cam 11 and rotate, make cam 11 intermittent type nature strike filter 7, make filter 7 constantly vibrate under the cooperation spring 9 effect to reducible impurity that adheres to filter 7 surface improves the rate of pass of filter 7, guarantee the normal of velocity of flow, through blow off pipe 15 and the setting of spiral cover 16, can regularly open the spiral cover 16 and clear up the impurity in the blow off pipe 15.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a but control valve of jam is prevented, includes valve body (1) and installs filter tube (2) at valve body (1) entrance point, its characterized in that: the top of valve body (1) is equipped with casing (3), interior roof rotation of casing (3) is installed screw rod (4), the top fixed mounting of casing (3) has first motor (5) that are used for driving screw rod (4) pivoted, the lower extreme threaded connection of screw rod (4) has valve plate (6), the inside of filter tube (2) is equipped with filter (7), the valve body (1) inner wall is located one side fixedly connected with stopper (8) of filter (7), fixedly connected with spring (9) between filter (7) and stopper (8), the top fixed mounting of filter tube (2) has second motor (10), the output fixedly connected with cam (11) of second motor (10), cam (11) are located one side that spring (9) was kept away from to filter (7).

2. An anti-blocking control valve according to claim 1, wherein: the inside of the shell (3) is fixedly provided with a guide rod (12), and the upper end of the valve plate (6) is in sliding connection with the guide rod (12).

3. An anti-blocking control valve according to claim 1, wherein: the filter tube (2) and the valve body (1) are fixedly arranged through a plurality of bolts (13).

4. An anti-blocking control valve according to claim 1, wherein: one side of the filter plate (7) close to the spring (9) is fixedly connected with a limiting rod (14), and the limiting rod (14) penetrates through the limiting block (8) in a sliding mode.

5. An anti-blocking control valve according to claim 1, wherein: a blow-down pipe (15) is arranged at the bottom of the filter pipe (2).

6. An anti-blocking control valve according to claim 5, wherein: the lower end of the blow-down pipe (15) is connected with a spiral cover (16) in a threaded manner.