Anti-blocking cock type manual valve

Abstract

The utility model discloses an anti-blocking cock type manual valve, which relates to the technical field of hand-pull valves and comprises a cock valve main body, a filter screen is fixedly connected to the inner wall of a pipeline on the air inlet side of the cock valve main body through a sealing bearing, and a guide ring edge is fixedly connected to the outer wall of the filter screen towards the air inlet side. A plurality of ash outlet holes are formed in the outer wall, corresponding to the outer side of the guide ring edge, of a pipeline on the air inlet side of the plug valve body at equal intervals, the filter screen can filter dust in airflow entering from the air inlet side of the plug valve body through the arranged filter screen, the situation that a valve element in the plug valve body is blocked is avoided, and through the arranged auxiliary inserting sleeve and a movable inserting plate, dust in the plug valve body is prevented from being blocked. And the movable inserting plate which is movably connected in an inserted mode can store dust guided out from the dust outlet through the transfer hole, the dust stored in the transfer hole can be guided out and cleaned through regular sliding of the movable inserting plate, online dust cleaning is facilitated, the filtering efficiency of the filtering net is guaranteed, and the anti-blocking effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hand valve technical field, concretely relates to a kind of anti-clogging plug type hand valve. BACKGROUND

[0002] Plug type gas route hand valve is often used in industrial gas route (such as mine air compressor dust removal pipeline) containing particles due to simple structure, quick opening and closing. The traditional plug valve adopts cylindrical valve core, and the sealing surface is perpendicular to the airflow direction. Particles are easy to accumulate on the edge of valve seat, leading to jam or sealing failure. Therefore, we propose a kind of anti-clogging plug type hand valve. UTILITY MODEL CONTENTS

[0003] The utility model aims at: for solving the problem that plug type gas route hand valve is often used in industrial gas route (such as mine air compressor dust removal pipeline) containing particles due to simple structure, quick opening and closing. The traditional plug valve adopts cylindrical valve core, and the sealing surface is perpendicular to the airflow direction. Particles are easy to accumulate on the edge of valve seat, leading to jam or sealing failure. The utility model provides a kind of anti-clogging plug type hand valve.

[0004] The utility model discloses in order to realize the above-mentioned purpose specifically adopts the following technical scheme:

[0005] A kind of anti-clogging plug type hand valve, including plug valve main part, the air inlet side pipeline inner wall of the plug valve main part is fixedly connected with filter screen by sealing bearing, and the filter screen is fixedly connected with guide ring edge towards the air inlet side outer wall, the air inlet side pipeline outer wall of the plug valve main part is correspondingly set with multiple ash outlets on the outer side of guide ring edge equidistantly, and the inner wall of filter screen is fixedly connected with multiple helical vanes equidistantly, the outer wall of the air inlet side pipeline of the plug valve main part is fixedly connected with auxiliary insert sleeve position corresponding ash outlet, the side wall of auxiliary insert sleeve is movably inserted with movable insert plate corresponding multiple ash outlet outer side, and movable insert plate is set with transfer hole, and the transfer hole is matched with ash outlet.

[0006] Further, the filter screen is provided with a conical filter surface towards the air inlet side.

[0007] Further, the outer wall of the guide ring edge is fixedly connected with a polytetrafluoroethylene bushing.

[0008] Further, the pipeline outer wall of the air inlet side of the plug valve main part is slidably sleeved with a linkage iron ring, and the outer ends of the multiple movable insert plates are fixedly connected with the linkage iron ring.

[0009] Further, the pipeline outer wall of the cock valve body air inlet side is fixedly connected with a driving electromagnet, the driving electromagnet is arranged outside the linkage iron ring, and a compression spring is sleeved between the driving electromagnet and the linkage iron ring corresponding to the pipeline outer wall of the cock valve body air inlet side, and the two ends of the compression spring are fixedly connected with the linkage iron ring and the driving electromagnet respectively.

[0010] Further, the inner and outer sides of the movable plug plate are fixedly connected with self-lubricating rubber sealing pads.

[0011] The utility model discloses the beneficial effect is as follows:

[0012] 1, the utility model discloses a filter screen is set, filter screen can filter the dust in the airflow of cock valve body air inlet side, avoid the blockage at the valve core inside cock valve body, filter screen is rotatably installed at the air inlet end of cock valve body, and the helical blade set on the inner wall of filter screen can drive filter screen to rotate when the airflow passes, thereby guiding the dust and sundries on the surface of filter screen to all directions, and the dust is guided into the ash outlet hole through the guide ring edge, the dust guided out is collected through the auxiliary plug sleeve and movable plug plate, and the dust stored in the transfer hole is guided out and cleaned through the regular sliding of movable plug plate, which is convenient for online cleaning of dust, guarantees the filtering efficiency of filter screen, and further improves the anti-blocking effect.

[0013] 2, the utility model discloses a conical filter surface is set, improves the filtering area, and the dust filtered under the conical filter surface is blown to the outside under the conical surface guidance, which is convenient for dust collection and keeps the conical filter surface unobstructed.

[0014] 3, the utility model discloses a linkage iron ring is set, and the linkage iron ring can synchronously slide multiple movable plug plates, realizes the simultaneous opening or closing of multiple transfer holes, is convenient for controlling the discharge of dust, and improves the practicability of the valve. DRAWINGS

[0015] Figure 1 It is the perspective view of the utility model;

[0016] Figure 2 It is the front sectional view of the utility model;

[0017] Figure 3 It is the utility model Figure 2 The enlarged view of A in the utility model;

[0018] Figure 4 It is the side sectional view of the utility model.

[0019] Reference signs: 1, plug valve body; 2, sealing bearing; 3, filter screen; 4, guide ring edge; 5, spiral blade; 6, ash hole; 7, auxiliary sleeve; 8, movable plug; 9, transfer hole; 10, linkage iron ring; 11, compression spring; 12, drive electromagnet; 13, conical filter surface. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment.

[0021] Please refer to Figures 1-4 The utility model provides a kind of anti-clogging plug type manual valve, including plug valve body 1, the air inlet side pipeline inner wall of plug valve body 1 is fixedly connected with filter screen 3 by sealing bearing 2, and filter screen 3 is fixedly connected with guide ring edge 4 towards air inlet side outer wall, the air inlet side pipeline outer wall of plug valve body 1 is correspondingly provided with multiple ash holes 6 on the outside of guide ring edge 4 at equal intervals, and the inner wall of filter screen 3 is fixedly connected with multiple spiral blades 5 at equal intervals, the outer wall of the air inlet side pipeline of plug valve body 1 is fixedly connected with auxiliary sleeve 7 at the position corresponding to ash hole 6, movable plug 8 is movably inserted in the side wall of auxiliary sleeve 7 corresponding to the outside of multiple ash holes 6, and transfer hole 9 is formed in movable plug 8, and transfer hole 9 is matched with ash hole 6.

[0022] In the embodiment, preferably, the filter screen 3 is provided with a conical filter surface 13 towards the air inlet side; the conical filter surface 13 is provided, the filtering area is increased, and the dust filtered is blown to the outside under the guidance of the conical surface of the conical filter surface 13, so that the dust is collected, and the filtering surface of the conical filter surface 13 is kept unobstructed.

[0023] In the embodiment, preferably, the outer wall of the guide ring edge 4 is fixedly connected with a polytetrafluoroethylene bushing; the polytetrafluoroethylene bushing is provided, the wear resistance and self-lubricating property of the guide ring edge 4 are enhanced, the accumulation of particulate matter on the guide ring edge 4 is reduced, the blockage of the valve is further prevented, the frictional resistance when the valve is opened and closed is reduced, and the service life of the valve is improved.

[0024] In the embodiment, preferably, the outer wall of the air inlet side pipeline of the plug valve body 1 is slidably sleeved with a linkage iron ring 10, and the outer ends of the multiple movable plugs 8 are fixedly connected with the linkage iron ring 10; the linkage iron ring 10 is provided, the linkage iron ring 10 can synchronously slide the multiple movable plugs 8, the multiple transfer holes 9 are simultaneously opened or closed, the discharge of dust is facilitated, and the practicability of the valve is improved.

[0025] Preferably, the pipeline outer wall of the cock valve body 1 on the air inlet side is fixedly connected with a driving electromagnet 12, the driving electromagnet 12 is arranged outside the linkage iron ring 10, and the pipeline outer wall of the cock valve body 1 on the air inlet side is sleeved with a compression spring 11 between the driving electromagnet 12 and the linkage iron ring 10, and the two ends of the compression spring 11 are fixedly connected with the linkage iron ring 10 and the driving electromagnet 12 respectively; the driving electromagnet 12 is externally connected with a driving power supply, the on-off of the driving electromagnet 12 is controlled, the linkage iron ring 10 is attracted by the magnetism of the driving electromagnet 12 when the driving electromagnet 12 is powered on, the sliding of the movable plug plate 8 in the auxiliary plug sleeve 7 is driven, the corresponding communication or dislocation sealing of the transfer hole 9 and the ash outlet hole 6 is realized, the discharge of dust is facilitated, the manual cleaning is avoided, and the automation degree and practicability of the valve are further improved.

[0026] Preferably, the movable plug plate 8 is fixedly connected with self-lubricating rubber sealing pads on the inner side and the outer side; the self-lubricating rubber sealing pads are arranged, and the sealing between the movable plug plate 8 and the auxiliary plug sleeve 7 is enhanced.

[0027] The working principle and use process of the utility model are as follows: when the device is used, the filter screen 3 can filter the dust in the airflow entering the air inlet side of the cock valve body 1, the filter screen 3 is rotatably installed at the air inlet end of the cock valve body 1, the helical blade 5 arranged on the inner wall of the filter screen 3 can drive the filter screen 3 to rotate when the airflow passes through, so that the dust and sundries filtered on the surface of the filter screen 3 are guided to the surrounding, guided into the ash outlet hole 6 through the guide ring edge 4, the movable plug plate 8 can receive the dust discharged from the ash outlet hole 6 through the transfer hole 9 through the auxiliary plug sleeve 7 and the movable plug plate 8, the dust stored in the transfer hole 9 can be guided and cleaned through the regular sliding of the movable plug plate 8, dust can be cleaned online, the filtering efficiency of the filter screen 3 is ensured, and the anti-clogging effect is further improved.

[0028] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anti-clogging stopcock-type manual valve characterized by: The utility model provides a kind of improved plug valve, including plug valve body (1), the inner wall of air inlet side pipeline of plug valve body (1) is fixedly connected with filter screen (3) by sealing bearing (2), and filter screen (3) is fixedly connected with guide ring edge (4) towards air inlet side outer wall, the outer wall of air inlet side pipeline of plug valve body (1) is opened with multiple ash outlets (6) in equal intervals corresponding guide ring edge (4) outside, and the inner wall of filter screen (3) is fixedly connected with multiple helical blades (5) in equal intervals, the outer wall of air inlet side pipeline of plug valve body (1) is fixedly connected with auxiliary bushing (7) corresponding ash outlet (6) position, the side wall of auxiliary bushing (7) is movably inserted with movable plug (8) corresponding multiple ash outlets (6) outside, and movable plug (8) is opened with transfer hole (9), and transfer hole (9) is matched with ash outlet (6).

2. A choke-type manual valve according to claim 1, wherein: The filter screen (3) is provided with a conical filter surface (13) towards the air inlet side.

3. A choke-type manual valve according to claim 1, wherein: The guide ring edge (4) is fixedly connected with a polytetrafluoroethylene bushing.

4. A choke-type manual valve according to claim 1, wherein: The outer wall of the air inlet side pipeline of the plug valve body (1) is slidably sleeved with a linkage iron ring (10), and the outer ends of the multiple movable plugs (8) are fixedly connected with the linkage iron ring (10).

5. A choke-type manual valve according to claim 4, wherein: The outer wall of the air inlet side pipeline of the plug valve body (1) is fixedly connected with a driving electromagnet (12), the driving electromagnet (12) is arranged outside the linkage iron ring (10), and the plug valve body (1) is sleeved with a compression spring (11) between the driving electromagnet (12) and the linkage iron ring (10) outside the air inlet pipeline outer wall, and the two ends of the compression spring (11) are fixedly connected with the linkage iron ring (10) and the driving electromagnet (12) respectively.

6. A choke-type manual valve that prevents clogging according to claim 1, characterized in that: The movable plug (8) is fixedly connected with a self-lubricating rubber sealing pad on the inner and outer sides.

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