CN115646042A - Filtering sealing water leakage prevention system for valve and use method - Google Patents

Abstract

The invention discloses a filtering, sealing and anti-leakage water system for valves and a using method thereof, belonging to the field of valves. A filter, seal and anti-leakage water system for a valve, comprising a rectangular pipe, and further comprising: a first externally threaded pipe fixedly connected to one end of the rectangular pipe, wherein the other end of the rectangular pipe is provided with an internally threaded hole, the The outer diameter of the first externally threaded pipe is the same as the inner diameter of the internally threaded hole; the inverted trapezoidal groove is arranged on the inner bottom of the rectangular pipe, wherein the lower end of the rectangular pipe is provided with a cleaning groove communicating with the inverted trapezoidal groove, The cleaning tank is provided with a plugging assembly, the rectangular tube is fixedly connected with an upper filter plate inclined to the cleaning tank, and the lower end of the upper filter plate is fixedly connected with a lower filter plate through a connecting plate; the present invention adopts a rectangular The upper filter plate in the pipe can filter the impurities in the water, so that the gate valve in the valve is not easy to be polluted by impurities and prevents liquid leakage when the valve is closed.

Description

A filtering and sealing anti-leakage water system for valves and its application method

technical field

The invention relates to the technical field of valves, in particular to a filtering, sealing and anti-leakage water system for valves and a use method thereof.

Background technique

Valves are pipeline accessories used to open and close pipelines, control flow direction, adjust and control the parameters (temperature, pressure and flow) of the conveying medium. According to its function, it can be divided into shut-off valve, check valve, regulating valve, etc. In the shut-off valve, the gate is mainly used to open and close the pipeline.

In the prior art, there will inevitably be some particles and impurities in some liquids, and these particles and impurities are easy to get stuck on the inner wall of the valve when the gate is closed, so that the sealing of the gate will be reduced, and even the gate cannot be completely closed, thereby causing Valves are prone to liquid leakage, so it is necessary to design a filter-seal anti-leakage system for valves.

Contents of the invention

The object of the present invention is to solve the problem in the prior art that the valve is easily affected by particulate matter in the water, and propose a filter, seal and anti-leakage system for the valve and its use method.

In order to achieve the above object, the present invention adopts the following technical solutions:

A filter, seal and leak-proof water system for a valve, comprising a rectangular pipe, and further comprising: a first externally threaded pipe fixedly connected to one end of the rectangular pipe, wherein the other end of the rectangular pipe is provided with an internally threaded hole, the The outer diameter of the first externally threaded pipe is the same as the inner diameter of the internally threaded hole; the inverted trapezoidal groove is arranged on the inner bottom of the rectangular pipe, wherein the lower end of the rectangular pipe is provided with a cleaning groove connected with the inverted trapezoidal groove, The cleaning tank is provided with a plugging assembly, and the rectangular tube is fixedly connected with an upper filter plate inclined to the cleaning tank, and the lower end of the upper filter plate is fixedly connected with a lower filter plate through a connecting plate; two symmetrically arranged The first chute is respectively arranged on both sides of the inverted trapezoidal groove, wherein, the first sliders are slidably connected in the two first chutes, and the two first sliders are fixedly connected There is a sealing plate facing the connecting plate, and a pushing mechanism for driving the two first sliding blocks to move toward each other is arranged in the two first slide grooves.

In order to drive the two sealing plates close to and away from each other, preferably, the pushing mechanism includes a driving motor fixedly installed on the outer wall of the rectangular tube, and the output shaft of the driving motor is fixedly connected with a The rotating rod, wherein, the two first slide grooves are provided with a second externally threaded pipe fixedly connected to the outer wall of the rotating rod, and the two first sliders are respectively threaded on the two second externally threaded pipes , the two sealing plates are provided with through holes that cooperate with the rotating rods.

In order to facilitate the opening and closing of the cleaning tank, preferably, the blocking assembly includes a blocking plate inserted on the outer wall of the rectangular tube, one end of the blocking plate runs through the cleaning tank, wherein the blocking The other end of the plate is fixedly connected with a push plate, and the push plate is elastically connected to the outer wall of the rectangular tube through a return spring.

In order to facilitate the reverse flushing of the lower filter plate, preferably, the outer wall of the rectangular tube is fixedly connected with a flushing pipe communicating with the inverted trapezoidal groove, and the direction of the flushing pipe is the same as that of the first externally threaded pipe. A solenoid valve is fixedly installed.

In order to make the impurities on the upper filter plate slide down to the lower filter plate more efficiently, further, the top of the rectangular tube is rotatably connected with a baffle plate, and the top of the rectangular tube is slidably connected with a rack, wherein the The shaft end of the rotating shaft is fixedly connected with a driven gear meshed with the rack. The inner top of the rectangular tube is provided with a second chute, and a translation mechanism for driving the rack to move linearly is provided in the second chute.

In order to automatically drive the rack to move linearly, further, the translation mechanism includes a second sliding block slidably connected in the second chute, and the second sliding block is connected to the inner wall of the second chute through a first An elastic airbag is elastically connected, wherein the first sliding block is elastically connected to the inner wall of the first chute through a second elastic airbag, and the second elastic airbag communicates with the first elastic airbag through a connecting pipe.

In order to clean the filter surface of the upper filter plate, preferably, a cleaning rod is slidably connected to the inner top of the rectangular tube, wherein a row of evenly distributed brushes is arranged on the cleaning rod, and the ends of the brushes are against Immediately on the filter surface of the upper filter plate, the inner top of the rectangular tube is provided with a reciprocating mechanism that drives the cleaning rod to reciprocate.

In order to drive the cleaning rod to automatically clean the upper filter plate, further, the reciprocating mechanism includes a third chute arranged on the inner top of the rectangular tube, and a reciprocating lead screw is rotatably connected to the third chute, wherein the The outer wall of the reciprocating lead screw is threadedly connected with a reciprocating slider slidingly connected with the third chute, the cleaning rod is fixedly connected to the reciprocating slider, and the inverted trapezoidal groove is provided with a driving source for driving the reciprocating lead screw to rotate.

In order to automatically drive the reciprocating lead screw to rotate, further, the driving source includes a device groove arranged on the inner wall of the inverted trapezoidal groove, and an impeller is connected to the device groove through the rotation of the drive shaft, and half of the impeller is located in the inverted trapezoidal groove Inside, the drive shaft and the reciprocating lead screw are connected through a chain transmission.

A method for using a filter sealing water leakage prevention device, the operation steps are as follows:

Step 1: When in use, connect the first external thread on the rectangular pipe to the liquid inlet pipe of the valve;

Step 2: When the liquid passes through the valve, the upper filter plate in the rectangular tube will filter the impurities in the water;

Step 3: After filtering for a period of time on the upper filter plate, start the drive motor, and the two sealing plates will be stored in the two first chutes;

Step 4: The baffle automatically rotates and touches the non-filtering surface of the upper filter plate;

Step 5: The water flow will drive the impeller to rotate, and the cleaning rod will clean the filter surface of the upper filter plate through the brush;

Step 6: Push the blocking plate through the push plate, and the impurities accumulated in the inverted trapezoidal groove will be discharged from the cleaning groove.

Compared with the prior art, the present invention provides a filter-seal leak-proof system for valves, which has the following beneficial effects:

1. The filtering, sealing and anti-leakage water system used by the valve can filter the impurities in the water through the upper filter plate in the rectangular tube, so that the gate valve in the valve is not easy to be polluted by impurities and prevents leakage when the valve is closed, and The large particles of impurities filtered on the upper filter plate will slide down and accumulate in the direction of the cleaning tank, thereby ensuring that the upper filter plate can filter impurities in the liquid for a longer period of time;

2. The filter, sealing and anti-leakage system used by the valve will drive the two first sliders away from each other through the driving motor, thereby driving the two sealing plates to be stored in the two first chutes. At this time, the accumulated water on the upper filter plate Impurities can slide down into the inverted trapezoidal groove, so that the upper filter plate can be dredged to ensure the filtration efficiency of the upper filter plate;

3. The filter, sealing and anti-leakage water system used by the valve pushes the blocking plate through the push plate, so that the blocking plate is separated from the cleaning tank, and the liquid in the rectangular tube can be discharged from the cleaning tank, so that the inverted trapezoidal tank can be drained. The impurities accumulated inside are discharged from the cleaning tank, so that the impurities in the inverted trapezoidal tank can be removed more efficiently;

4. The valve uses a filter, seal and anti-leakage system. The sliding first slider will squeeze the second elastic airbag, and the baffle will be against the non-filtering surface of the upper filter plate, so when the liquid passes through the rectangular tube, the liquid will It will flow along the filter surface of the upper filter plate towards the direction of the lower filter plate. When the liquid flows through the filter surface of the upper filter plate, it can efficiently drive the impurities on its surface into the inverted trapezoidal groove, and the liquid of the upper filter plate can be lifted. cleaning effect;

5. The filtering, sealing and anti-leakage system used by the valve will drive the impeller to rotate through the water flow, the reciprocating screw will drive the reciprocating slider to slide back and forth, and the reciprocating slider will drive the cleaning rod to slide back and forth on the filter surface of the upper filter plate, cleaning The rod will reciprocate and comprehensively clean the filter surface of the upper filter plate through the brush, so that the filter surface of the upper filter plate can be further cleaned.

Description of drawings

Fig. 1 is the use state structure schematic diagram of a kind of filter sealing anti-leakage water system that a kind of valve that the present invention proposes to use;

Fig. 2 is the schematic diagram of the axonometric structure of a filter sealing anti-leakage water system used by a valve proposed by the present invention;

Fig. 3 is a cut-away structure schematic diagram of a filter, seal and anti-leakage water system used by a valve proposed by the present invention;

Fig. 4 is a schematic diagram of the structure of the closed state of the baffle of a filter sealing anti-leakage water system proposed by the present invention;

Fig. 5 is an enlarged view of part A in Fig. 3 of a filter sealing anti-leakage water system used by a valve proposed by the present invention;

Fig. 6 is an enlarged view of part B in Fig. 3 of a filter sealing anti-leakage water system used by a valve proposed by the present invention;

Fig. 7 is an enlarged view of part C in Fig. 4 of a filter sealing anti-leakage water system used by a valve proposed by the present invention;

Fig. 8 is a schematic diagram of a cut-away structure of a baffle for a filtering, sealing and anti-leakage water system for a valve proposed by the present invention.

In the figure: 1. Rectangular tube; 2. First external threaded tube; 3. Internal threaded hole; 4. Inverted trapezoidal groove; 5. Upper filter plate; 6. Cleaning tank; 7. Lower filter plate; 8. Connecting plate ; 9, the first chute; 10, the first slider; 11, the sealing plate; 12, the rotating rod; 13, the through hole; 14, the second external thread pipe; 15, the baffle plate; 18, driven gear; 19, the second chute; 20, the first elastic air bag; 21, the second slider; 22, the second elastic air bag; 23, connecting pipe; 24, blocking plate; 25, push Plate; 26, return spring; 27, drive motor; 28, flushing pipe; 29, solenoid valve; 30, reciprocating screw; 31, reciprocating slider; 32, cleaning rod; 33, brush; 34, drive shaft; 35 36, impeller; 37, chain drive; 38, valve; 39, liquid inlet pipe; 40, the third chute; 41, rectangular air bag; 42, fine hole; 43, cleaning soap.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

Example 1:

Referring to Fig. 1-Fig. 8, a filter, seal and anti-leakage water system used by a valve includes a rectangular pipe 1, and also includes: a first externally threaded pipe 2, which is fixedly connected to one end of the rectangular pipe 1, and the liquid inlet pipe on the valve 38 39, wherein the other end of the rectangular tube 1 is provided with an internally threaded hole 3, the outer diameter of the first externally threaded tube 2 is the same as the internal diameter of the internally threaded hole 3; the inverted trapezoidal groove 4 is arranged on the inner bottom of the rectangular tube 1, Wherein, the lower end of the rectangular tube 1 is provided with a cleaning tank 6 connected with the inverted trapezoidal tank 4, and a plugging assembly is arranged in the cleaning tank 6, and an upper filter plate 5 inclined to the cleaning tank 6 is fixedly connected in the rectangular tube 1 , the lower end of the upper filter plate 5 is fixedly connected with the lower filter plate 7 through the connecting plate 8, the lower filter plate 7 is flush with the upper filter plate 5; The two sides of the two first sliding grooves 9 are slidably connected with a first slider 10, and the two first sliders 10 are fixedly connected with a sealing plate 11 facing the connecting plate 8, and the two first sliders A pushing mechanism for driving the two first sliders 10 to move toward each other is provided in the slot 9 .

When in use, the first externally threaded pipe 2 on the rectangular pipe 1 is screwed into the liquid inlet pipe 39 of the valve 38, and the whole device can be installed on the valve 38. When the liquid passes through the valve 38, the liquid will first flow Passing through the rectangular tube 1, the upper filter plate 5 in the rectangular tube 1 will filter the impurities in the water, so that the gate valve in the valve 38 is not easily polluted by impurities and prevents liquid leakage when the valve 38 is closed. The plate 5 is inclined towards the cleaning tank 6, so the large particles of impurities filtered on the upper filter plate 5 will slide down and accumulate in the direction of the cleaning tank 6, thereby ensuring that the upper filter plate 5 can filter the impurities in the liquid for a longer period of time. During the filtration of the upper filter plate 5, the two sealing plates 11 will be respectively against the two sides of the connecting plate 8, so that the liquid will not flow into the inverted trapezoidal groove 4. After the upper filter plate 5 is filtered for a period of time, it will be driven by the pushing mechanism The two sealing plates 11 are received in the two first chute 9, at this time, the impurities accumulated on the upper filter plate 5 can slide down into the inverted trapezoidal groove 4, so that the upper filter plate 5 can be dredged to ensure that the upper filter plate 5, and during the dredging process, the liquid in the valve 38 can continue to flow. On the other hand, the cleaning tank 6 can be opened through the plugging assembly, and the liquid in the rectangular tube 1 can be discharged from the cleaning tank 6, thereby The impurities accumulated in the inverted trapezoidal groove 4 can be discharged from the cleaning groove 6, so that the impurities in the inverted trapezoidal groove 4 can be removed more efficiently.

Example 2:

Referring to Fig. 3, Fig. 4, Fig. 6 and Fig. 7, it is basically the same as Embodiment 1, and furthermore, a specific implementation of the pushing mechanism is disclosed.

The pushing mechanism includes a drive motor 27 fixedly installed on the outer wall of the rectangular tube 1, and the output shaft of the drive motor 27 is fixedly connected with a rotating rod 12 that runs through two first chute 9, wherein two first chute 9 are provided with There is a second externally threaded pipe 14 fixedly connected to the outer wall of the rotating rod 12, and the two first sliders 10 are respectively threaded on the two second externally threaded pipes 14, and the two sealing plates 11 are provided with the rotating rod 12 Fitted through hole 13;

After filtering for a period of time on the upper filter plate 5, start the driving motor 27, the driving motor 27 will drive the rotating rod 12 to rotate, and the rotating rod 12 will drive the two second externally threaded pipes 14 on the outer wall to rotate, and the two first sliders 10 It will move away from each other along the outer walls of the two second externally threaded pipes 14, thereby driving the two sealing plates 11 to be accommodated in the two first chute 9, at this time, the impurities accumulated on the upper filter plate 5 can be inverted trapezoidal Sliding down in the groove 4, thereby the upper filter plate 5 can be dredged to ensure the filtration efficiency of the upper filter plate 5.

Example 3:

Referring to Fig. 3 and Fig. 4, it is basically the same as the embodiment 2, and furthermore, a specific implementation of the blocking assembly is disclosed.

The blocking assembly includes a blocking plate 24 inserted on the outer wall of the rectangular tube 1, one end of the blocking plate 24 runs through the cleaning groove 6, wherein the other end of the blocking plate 24 is fixedly connected with a push plate 25, and the push plate 25 is connected to the rectangular tube. The outer walls of the tube 1 are elastically connected by a return spring 26;

When it is necessary to clean up the impurities in the inverted trapezoidal groove 4, push the blocking plate 24 through the push plate 25, so that the blocking plate 24 is separated from the cleaning tank 6, and the liquid in the rectangular tube 1 can be discharged from the cleaning tank 6 , so that the impurities accumulated in the inverted trapezoidal groove 4 can be discharged from the cleaning groove 6, so that the impurities in the inverted trapezoidal groove 4 can be removed more efficiently. When closing the blocking plate 24, the push plate 25 is released, and the return spring 26 It can drive the push plate 25 and the blocking plate 24 to reset automatically, and complete the blocking work of the cleaning tank 6.

The outer wall of the rectangular pipe 1 is fixedly connected with a flushing pipe 28 communicating with the inverted trapezoidal groove 4. The flushing pipe 28 is in the same direction as the first externally threaded pipe 2. A solenoid valve 29 is fixedly installed in the flushing pipe 28. The liquid in the valve 38 cannot When discharging from the cleaning tank 6, first make the two sealing plates 11 close to each other to complete the sealing of the inverted trapezoidal tank 4, open the cleaning tank 6, and then pour tap water into the flushing pipe 28, and the tap water can reverse the lower filter plate 7. towards flushing.

Example 4:

Referring to Fig. 3-Fig. 5 and Fig. 7-Fig. 8, it is basically the same as that of Embodiment 3, and furthermore, a specific embodiment of lifting and cleaning the upper filter plate 5 is specifically added.

The top of the rectangular tube 1 is rotatably connected with a baffle 15 through a rotating shaft 16, and the top of the rectangular tube 1 is slidably connected with a rack 17, wherein the shaft end of the rotating shaft 16 is fixedly connected with a driven gear 18 meshed with the rack 17, and the rectangular The inner top of the pipe 1 is provided with a second chute 19, and the second chute 19 is provided with a translation mechanism that drives the rack 17 to move linearly; the translation mechanism includes a second slider 21 that is slidably connected in the second chute 19, The second slider 21 is elastically connected to the inner wall of the second chute 19 through the first elastic airbag 20, wherein the first slider 10 is elastically connected to the inner wall of the first chute 9 through the second elastic airbag 22, The second elastic airbag 22 communicates with the first elastic airbag 20 through a connecting pipe 23;

When the two first sliders 10 and the sealing plate 11 are away from each other, one of the first sliders 10 will squeeze the second elastic airbag 22, and the second elastic airbag 22 will blow to the first elastic airbag 20 through the connecting pipe 23. Air, the first elastic airbag 20 will expand, so that the second slider 21 drives the rack 17 to slide horizontally, the rack 17 will drive the driven gear 18 meshed with it to rotate, and the driven gear 18 will pass through the shaft 16 Drive the baffle plate 15 to rotate, and the baffle plate 15 will be against the non-filtering surface of the upper filter plate 5, that is, the side facing the first external threaded pipe 2, so when the liquid passes through the rectangular tube 1, the upper filter plate 15 will be pushed When the non-filtering surface of the filter plate 5 is blocked, the liquid will flow along the filter surface of the upper filter plate 5 towards the direction of the lower filter plate 7, and then filter the liquid through the lower filter plate 7, and the liquid will flow through the filter plate 5. When the two first sliders 10 approach each other and reset, the baffle plate 15 will also reverse Reset to the inner top of the rectangular tube 1.

Furthermore, the side wall of the baffle plate 15 is fixedly equipped with a rubber material and elastic rectangular airbag 41, and the side of the rectangular airbag 41 facing the upper filter plate 5 is provided with evenly distributed pores 42, and the pores 42 are no longer subject to external pressure. It will be tightly closed because of elasticity, that is, the liquid in the rectangular tube 1 will not enter the rectangular air bag 41 through the pores 42, and the solid cleaning soap 43 can also be detachably connected in the rectangular air bag 41;

When the baffle plate 15 is pressed against the upper filter plate 5, the upper filter plate 5 will squeeze the rectangular airbag 41, and when the rectangular airbag 41 is squeezed and shrunk, the internal pressure will increase, and the pores 42 will open under the pressure, thereby the internal The soap liquid is sprayed on the upper filter plate 5, the soap liquid can make the particles on the upper filter plate 5 can be removed more efficiently, and indirectly improve the effect of filtering impurities of the upper filter plate 5, when the baffle plate 15 is removed from the upper filter plate 5 When detached, the rectangular airbag 41 will automatically reset elastically, that is, expand again, and the pores 42 will open again under the action of the pressure difference, thereby absorbing the liquid in the rectangular tube 1. After the liquid fills the rectangular airbag 41, the rectangular airbag 41 will When the internal pressure returns to normal, the fine pores 42 close automatically, and the cleaning soap 43 decomposes soap liquid again under the action of the liquid, which is used for cleaning the upper filter plate 5 next time.

Example 5:

Referring to Fig. 3-Fig. 5, it is basically the same as that of Example 4, and furthermore, a specific embodiment of cleaning the filtering surface of the upper filter plate 5 is specifically added.

The inner top of the rectangular tube 1 is slidably connected with a cleaning rod 32, wherein the cleaning rod 32 is provided with a row of uniformly distributed brushes 33, and the ends of the brushes 33 are pressed against the filter surface of the upper filter plate 5, and the rectangular tube 1 The inner top is provided with a reciprocating mechanism that drives the cleaning rod 32 to reciprocate; the reciprocating mechanism includes a third chute 40 arranged on the inner top of the rectangular tube 1, and the third chute 40 is rotationally connected with a reciprocating lead screw 30, wherein the reciprocating lead screw The outer wall of 30 is threadedly connected with the reciprocating slider 31 that is slidably connected with the third chute 40, and the cleaning rod 32 is fixedly connected on the reciprocating slider 31, and the inverted trapezoidal groove 4 is provided with a drive source that drives the reciprocating screw 30 to rotate; The source includes a device groove 35 arranged on the inner wall of the inverted trapezoidal groove 4, and an impeller 36 is rotatably connected to the device groove 35 through a drive shaft 34, and half of the impeller 36 is located in the inverted trapezoidal groove 4, and the drive shaft 34 and the reciprocating lead screw 30 are connected by a chain Transmission 37 is connected;

When the water flow flows toward the lower filter plate 7, the water flow will drive the impeller 36 to rotate, and the impeller 36 will drive the drive shaft 34 to rotate, and the drive shaft 34 will drive the reciprocating lead screw 30 to rotate through the chain drive 37, and the reciprocating lead screw 30 will then Drive the reciprocating slider 31 to reciprocate and slide along the outer wall of the reciprocating screw 30, the reciprocating slider 31 will drive the cleaning rod 32 to reciprocate on the filter surface of the upper filter plate 5, and the cleaning rod 32 will pass the brush 33 to the upper filter plate. The filter surface of 5 carries out reciprocating comprehensive cleaning, thereby can further clean up the filter surface of upper filter plate 5.

A method for using a filter sealing water leakage prevention device, the operation steps are as follows:

Step 1: When in use, thread the first externally threaded pipe 2 on the rectangular pipe 1 into the liquid inlet pipe 39 of the valve 38;

Step 2: When the liquid passes through the valve 38, the upper filter plate 5 in the rectangular tube 1 will filter the impurities in the water;

Step 3: After the upper filter plate 5 filters for a period of time, start the drive motor 27, and the two sealing plates 11 will be stored in the two first chutes 9;

Step 4: The baffle plate 15 automatically rotates and abuts against the non-filtering surface of the upper filter plate 5;

Step 5: The water flow will drive the impeller 36 to rotate, and the cleaning rod 32 will clean the filter surface of the upper filter plate 5 through the brush 33;

Step 6: Push the blocking plate 24 through the push plate 25, and the impurities accumulated in the inverted trapezoidal groove 4 are discharged from the cleaning groove 6.

The filtering, sealing and anti-leakage water system used in this valve, when in use, the first external threaded pipe 2 on the rectangular pipe 1 is threaded into the liquid inlet pipe 39 of the valve 38, and the whole device can be installed on the valve 38. When the liquid passes through the valve 38, the liquid will first pass through the rectangular tube 1, and the upper filter plate 5 in the rectangular tube 1 will filter the impurities in the water, so that the gate valve in the valve 38 is not easily polluted by impurities and prevents the valve 38 from closing In the case of liquid leakage, since the upper filter plate 5 is tilted toward the cleaning tank 6, the large particles of impurities filtered on the upper filter plate 5 will slide down and accumulate in the direction of the cleaning tank 6, thereby ensuring that the upper filter plate 5 can Filter the impurities in the liquid for a longer period of time;

During the filtering period of the upper filter plate 5, the two sealing plates 11 will be respectively against the two sides of the connecting plate 8, so that the liquid will not flow into the inverted trapezoidal groove 4, and after the upper filter plate 5 is filtered for a period of time, start the drive motor 27. The driving motor 27 will drive the rotating rod 12 to rotate, and the rotating rod 12 will drive the two second externally threaded pipes 14 on the outer wall to rotate, and the two first sliders 10 will move along the two second externally threaded pipes 14. The outer walls are far away from each other, thereby driving the two sealing plates 11 to be accommodated in the two first chute 9, at this time, the impurities accumulated on the upper filter plate 5 can slide down into the inverted trapezoidal groove 4, so that the upper filter plate 5 can be cleaned. Dredging ensures the filtration efficiency of the upper filter plate 5, and during the dredging process, the liquid in the valve 38 can continue to flow. On the other hand, the push plate 25 pushes the blocking plate 24 to separate the blocking plate 24 from the cleaning tank 6 , the liquid in the rectangular tube 1 can be discharged from the cleaning tank 6, so that the impurities accumulated in the inverted trapezoidal tank 4 can be discharged from the cleaning tank 6, so that the impurities in the inverted trapezoidal tank 4 can be removed more efficiently. After the impurities on the upper filter plate 5 are cleaned up, the driving motor 27 is reversed, and the two sealing plates 11 will approach each other and reset.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Equivalent replacement or change of the invention concept should be covered within the protection scope of the present invention.

Claims (10)

1. A filtering and sealing anti-leakage system for valves, comprising a rectangular tube (1), characterized in that it also includes: The first externally threaded pipe (2) is fixedly connected to one end of the rectangular pipe (1), Wherein, the other end of the rectangular tube (1) is provided with an internally threaded hole (3), and the outer diameter of the first externally threaded tube (2) is the same as the internal diameter of the internally threaded hole (3); an inverted trapezoidal groove (4), arranged on the inner bottom of the rectangular tube (1), Wherein, the lower end of the rectangular pipe (1) is provided with a cleaning tank (6) connected with the inverted trapezoidal groove (4), and a plugging assembly is arranged in the cleaning tank (6), and the rectangular pipe (1 ) is fixedly connected with an upper filter plate (5) inclined to the cleaning tank (6), and the lower end of the upper filter plate (5) is fixedly connected with a lower filter plate (7) through a connecting plate (8); Two symmetrically arranged first slide grooves (9) are respectively arranged on both sides of the inverted trapezoidal groove (4), Wherein, the first sliding blocks (10) are slidably connected in the two first sliding grooves (9), and the two first sliding blocks (10) are fixedly connected with a seal facing the connecting plate (8). In the plate (11), the two first slide slots (9) are provided with a pushing mechanism for driving the two first sliders (10) to move toward each other. 2. A filter, seal and anti-leakage water system for valves according to claim 1, wherein the pushing mechanism comprises: The driving motor (27) fixedly installed on the outer wall of the rectangular tube (1), the output shaft of the driving motor (27) is fixedly connected with the rotating rod (12) passing through the two first chute (9), Wherein, the two first sliding grooves (9) are provided with a second externally threaded pipe (14) fixedly connected to the outer wall of the rotating rod (12), and the two first sliding blocks (10) are threadedly connected respectively. On the two second externally threaded pipes (14), the two sealing plates (11) are provided with through holes (13) matched with the rotating rods (12). 3. A filter, seal and anti-leakage water system for valves according to claim 1, wherein the blocking assembly comprises: Insert the blocking plate (24) on the outer wall of the rectangular tube (1), one end of the blocking plate (24) runs through the cleaning tank (6), Wherein, the other end of the blocking plate (24) is fixedly connected with a push plate (25), and the push plate (25) is elastically connected to the outer wall of the rectangular tube (1) through a return spring (26). 4. A filtering, sealing and anti-leakage water system for valves according to claim 1, characterized in that, the outer wall of the rectangular pipe (1) is fixedly connected with a flushing pipe (28) communicating with the inverted trapezoidal groove (4) , the orientation of the flushing pipe (28) is the same as that of the first externally threaded pipe (2), and a solenoid valve (29) is fixedly installed in the flushing pipe (28). 5. The filter sealing leak-proof water system used by a valve according to claim 2, characterized in that, the top of the rectangular tube (1) is rotatably connected with a baffle (15) through a rotating shaft (16), and the rectangular The top of pipe (1) is slidingly connected with rack (17), Wherein, the shaft end of the rotating shaft (16) is fixedly connected with a driven gear (18) meshed with the rack (17), and the inner top of the rectangular tube (1) is provided with a second chute (19), A translation mechanism that drives the rack (17) to move linearly is provided in the second sliding slot (19). 6. A filtering, sealing and anti-leakage water system for valves according to claim 5, characterized in that the translation mechanism comprises: The second sliding block (21) that is slidably connected in the second chute (19), the first elastic air bag (20) is passed between the second sliding block (21) and the inner wall of the second chute (19). ) elastic connection, Wherein, the first slider (10) is elastically connected to the inner wall of the first chute (9) through a second elastic airbag (22), and the second elastic airbag (22) is connected to the first elastic airbag (20) ) are communicated through connecting pipe (23). 7. A filter, seal and anti-leakage water system for valves according to claim 1, characterized in that, the inner top of the rectangular pipe (1) is slidably connected with a cleaning rod (32), Wherein, the cleaning bar (32) is provided with a row of evenly distributed hair brushes (33), and the ends of the hair brushes (33) are pressed against the filter surface of the upper filter plate (5), and the rectangular tube ( 1) The inner top is provided with a reciprocating mechanism that drives the cleaning rod (32) to reciprocate. 8. A filtering, sealing and anti-leakage water system for valves according to claim 7, wherein the reciprocating mechanism comprises: The third chute (40) arranged on the inner top of the rectangular tube (1), the reciprocating lead screw (30) is rotatably connected in the third chute (40), Wherein, the outer wall of the reciprocating lead screw (30) is threadedly connected with a reciprocating slider (31) slidingly connected with the third chute (40), and the cleaning rod (32) is fixedly connected to the reciprocating slider (31) , the inverted trapezoidal groove (4) is provided with a driving source for driving the reciprocating lead screw (30) to rotate. 9. A filtering and sealing anti-leakage water system for a valve according to claim 8, wherein the driving source comprises: The device groove (35) that is arranged on the inner wall of the inverted trapezoidal groove (4), in the device groove (35) is connected with the impeller (36) through the rotation of the drive shaft (34), half of the impeller (36) is located in the inverted trapezoidal In the groove (4), the drive shaft (34) is connected with the reciprocating lead screw (30) through a chain transmission (37). 10. A method for using a filter-seal water-leakage prevention device, using a filter-seal water-leakage prevention system for a valve according to any one of claims 1-9, characterized in that the operation steps are as follows: Step 1: When in use, screw the first externally threaded pipe (2) on the rectangular pipe (1) into the liquid inlet pipe (39) of the valve (38); Step 2: When the liquid passes through the valve (38), the upper filter plate (5) in the rectangular tube (1) will filter the impurities in the water; Step 3: After the upper filter plate (5) has filtered for a period of time, start the drive motor (27), and the two sealing plates (11) will be stored in the two first chutes (9); Step 4: The baffle plate (15) automatically rotates and abuts against the non-filtering surface of the upper filter plate (5); Step 5: The water flow will drive the impeller (36) to rotate, and the cleaning rod (32) will clean the filter surface of the upper filter plate (5) through the brush (33); Step 6: Push the blocking plate (24) through the push plate (25), and the impurities accumulated in the inverted trapezoidal groove (4) are discharged from the cleaning groove (6).

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