A valve with a guiding function

Abstract

The present invention relates to the technical field of regulating valves, and specifically to a valve with a guiding function, comprising a valve body, a diaphragm actuator, a condensation tank and a pressure-taking assembly, wherein the pressure-taking assembly comprises an upper pressure-taking tube and a lower pressure-taking tube, a pipeline filter assembly is arranged between the upper pressure-taking tube and the lower pressure-taking tube, the pipeline filter assembly comprises a diversion tube, a processing seat, a confluence tube, a first blocking plate, a left filter frame, a translation plate, a right filter frame and a second blocking plate, a first through hole and a second through hole are arranged inside the processing seat, a group of filter screens are movably connected on the left filter frame and the right filter frame, the translation plate is driven by a main driving assembly and moves left and right in the processing seat, and is used for alternately opening and closing the first through hole and the second through hole; by adding the pipeline filter assembly, impurities and particulate matter in the pipeline can be cleaned in time, thereby ensuring the normal operation of the regulating valve.

Description

Technical Field

[0001] The invention relates to the technical field of regulating valves, in particular to a valve with a guiding function. Background Art

[0002] Pneumatic diaphragm single-seat regulating valve is a device commonly used for fluid control. Its main function is to control the flow and pressure of the fluid in the pipeline by adjusting the opening and closing degree of the valve core. The regulating valve has a simple structure and is easy to use. It is widely used in petrochemical, electric power, metallurgy and other industries.

[0003] However, the pneumatic diaphragm single-seat regulating valve currently available on the market does not take into account the filtering and cleaning technology for the pressure pipe in its design. The pipes in the pressure pipe may be blocked by impurities or sediments, resulting in unstable pressure regulation or errors, thereby affecting the normal operation of the regulating valve; and the common treatment method is to directly replace the entire pressure pipe. Frequent replacement of the pressure pipe will not only increase the cost of maintenance and replacement, resulting in increased production line downtime and affecting production progress, but also frequent replacement of the pressure pipe may affect the stability and reliability of the production equipment and increase the risk of production interruption. Summary of the invention

[0004] The object of the present invention is to provide a valve with a guiding function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a valve with a guiding function, comprising a valve body, a diaphragm actuator, a condensation tank and a pressure-taking assembly, wherein the condensation tank is connected to the valve body through the pressure-taking assembly, the pressure-taking assembly comprises an upper pressure-taking pipe and a lower pressure-taking pipe, a pipeline filter assembly is arranged between the upper pressure-taking pipe and the lower pressure-taking pipe, the pipeline filter assembly comprises a shunt pipe, a processing seat, a confluence pipe, a first plugging plate, a left filter frame, a translation plate, a right filter frame and a second plugging plate, one end of the shunt pipe is connected to the upper pressure-taking pipe, and the other end of the shunt pipe is fixedly arranged on The upper end surface of the processing seat, one end of the confluence pipe is connected to the lower pressure-taking pipe, and the other end of the confluence pipe is fixedly arranged on the lower end surface of the processing seat. The processing seat is provided with a first through hole and a second through hole connected to the diversion pipe and the confluence pipe. The first blocking plate and the left filter frame alternately enter the first through hole, and the right filter frame and the second blocking plate alternately enter the second through hole. A group of filters are movably inserted on the left filter frame and the right filter frame. The translation plate is driven by the main drive assembly and moves left and right in the processing seat to alternately open and close the first through hole and the second through hole.

[0006] Preferably, a lower bracket is provided at the upper end of the valve body, and the upper end of the lower bracket is fixedly connected to the upper bracket through two vertical rods, a top guide mechanism is provided at the bottom of the upper bracket, a support spring is abutted and connected at the bottom of the top guide mechanism, and the lower end of the support spring is abutted and connected to the upper end wall of the valve cover, an initial pressure adjustment assembly is provided between the two vertical rods, a valve cover is provided at the upper end of the initial pressure adjustment assembly, a valve stem is inserted into the inside of the valve cover, the upper end of the valve stem passes through the support spring, the top guide mechanism and the upper bracket in sequence and extends into the diaphragm actuator, and the diaphragm actuator is fixedly provided on the upper bracket.

[0007] Preferably, a mounting plate is protrudingly provided at the rear end of the lower bracket, and a mounting platform overlapped on the mounting plate is recessed below the end of the processing seat away from the diversion pipe and fixed by bolts.

[0008] Preferably, one end of the left filter frame is fixedly connected to the translation plate, and the other end of the left filter frame extends into the first through hole and is fixedly connected to the first blocking plate; one end of the right filter frame is fixedly connected to the translation plate, and the other end of the right filter frame extends into the second through hole and is fixedly connected to the second blocking plate.

[0009] Preferably, rectangular through grooves for accommodating the first sealing plate and the second sealing plate are penetrated on both horizontal sides of the processing seat, and an isolation frame is fixedly provided on the outer contour of each rectangular groove, and a protective shell is fixedly sleeved on the outer wall of the isolation frame through a detachable component.

[0010] Preferably, a movable groove for accommodating a main driving component is provided in the processing seat, and the main driving component includes a pushing bar, a main pushing plate and an electric pushing rod. The piston rod of the electric pushing rod extends outward and is fixedly connected to the main pushing plate. One end of the pushing bar is fixedly connected to the main pushing plate, and the other end of the pushing bar extends into the translation plate and is fixedly connected to a toggle rod. A driving groove for accommodating the toggle rod is provided on the translation plate, and the driving groove consists of a middle oblique groove and straight grooves at both ends.

[0011] Preferably, the front side of the left end of the main push plate is connected to the first ejection component, which is used to eject the filter on the left filter rack from the processing seat to the outside; the rear side of the right end of the main push plate is connected to the second ejection component, which is used to eject the filter on the right filter rack from the processing seat to the outside, and the front side wall is provided with grooves A and B which are symmetrical about the push bar, and baffles are provided at the openings of grooves A and B.

[0012] Preferably, the first ejection assembly includes a driven plate, a No. 1 spring, a first ejector rod and a first ejector block, one end of the driven plate is fixedly connected to the No. 1 spring, the other end of the driven plate is abutted against the main push plate, the first ejector rod is connected to the first ejector block through a double-speed pushing structure, and the first ejector block extends into the slot A.

[0013] Preferably, the second ejection assembly includes a second ejector block, a second ejector rod, a driven rack, a spur gear, an active rack and a No. 2 spring, the spur gear is arranged between the driven rack and the active rack, one end of the active rack is fixedly connected to the No. 2 spring, the other end of the active rack is abutted against the main push plate, one end of the second ejector rod is fixedly connected to the driven rack, the other end of the second ejector rod is connected to the second ejector block through a double-speed pushing structure, and the second ejector block extends into the slot B.

[0014] Preferably, the speed-multiplying pushing structure is a scissor-type stroke multiplying mechanism or a gear rack stroke multiplying mechanism.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention can effectively filter impurities and solid particles in the medium by adding a pipeline filter assembly to the pressure taking pipe, prevent these impurities from entering the pressure taking pipe, reduce the risk of pipeline blockage, and thus improve the stability and accuracy of the pressure taking pipe; on the other hand, it can reduce the number of failures and maintenance of the pressure taking pipe, reduce downtime for maintenance, and improve the operating efficiency of the equipment.

[0017] 2. The present invention sets a first blocking plate, a left filter frame, a right filter frame and a second blocking plate to act on the first through hole and the second through hole respectively, so as to meet the needs of alternating use of two groups of filter screens. When one group of filter screens is in a filtering state, the other group of filter screens can be cleaned and disassembled for maintenance, thereby ensuring the continuous filtering effect of the pressure taking pipe, reducing the downtime of the pressure taking pipe, and improving the operating time of the equipment; and by alternating the use of two groups of filter screens, the frequency of use of a single filter screen can be reduced, the service life of the filter screen can be extended, and the maintenance cost can be reduced.

[0018] 3. By setting the toggle rod, the push bar, the main push plate and the drive groove for use together, the linear driving force of the electric push rod can be converted into the left and right movement of the translation plate, so that the two sets of filters alternately enter the first through hole and the second through hole. The alternating use of the two sets of filters can maintain the stability of the pressure taking pipe and avoid the shutdown of the device due to the failure or cleaning of a single filter.

[0019] 4. By setting the driven plate, the No. 1 spring and the first push rod for use together, the retraction movement of the electric push rod can be converted into a rapid ejection movement of the first push block, so that the filter on the left filter frame is ejected out of the slot A to the outside.

[0020] 5. By arranging the second push rod, the driven rack, the spur gear, the active rack and the No. 2 spring for use together, the extension movement of the electric push rod can be converted into a rapid pop-up movement of the second push block, so that the filter on the right filter frame is pushed out of the slot B to the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a three-dimensional schematic diagram of the structure of the present invention.

[0022] Figure 2 It is a schematic diagram of another viewing angle of the structure of the present invention.

[0023] Figure 3 It is a connection diagram of the upper pressure-taking pipe, the lower pressure-taking pipe and the pipeline filter assembly of the present invention.

[0024] Figure 4 It is a longitudinal cross-sectional schematic diagram of the pipeline filter assembly of the present invention.

[0025] Figure 5 It is a cross-sectional schematic diagram of the pipeline filter assembly of the present invention.

[0026] Figure 6 It is a schematic diagram of the translation plate and the main driving assembly of the present invention.

[0027] Figure 7 It is an exploded schematic diagram of the first blocking plate, the left filter frame, the translation plate, the right filter frame and the second blocking plate of the present invention.

[0028] Figure 8 It is a schematic diagram of the left filter frame, the right filter frame and the filter screen of the present invention.

[0029] Fig. 9 It is a schematic diagram of the main driving assembly, the first ejection assembly and the second ejection assembly of the present invention.

[0030] Fig.10 It is a schematic diagram of the second ejector assembly and the right filter frame of the present invention.

[0031] In the figure: valve body 1, lower bracket 2, mounting plate 201, initial pressure adjustment assembly 3, vertical rod 4, support spring 5, upper bracket 6, membrane actuator 7, condensation tank 8, upper pressure taking pipe 9, shunt pipe 10, processing seat 11, first through hole 1101, second through hole 1102, confluence pipe 12, lower pressure taking pipe 13, first blocking plate 14, left filter frame 15, translation plate 16, right filter frame 17, filter screen 18, second blocking plate 19, driving groove 20, toggle rod 21, push bar 22, main push plate 23, electric push rod 24, driven plate 25, No. 1 spring 26, first push rod 27, double speed push structure 28, first push block 29, second push block 30, second push rod 31, driven rack 32, spur gear 33, active rack 34, No. 2 spring 35, baffle 36, isolation frame 37, protective shell 38, top guide mechanism 39. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figures 1 to 10 The present invention provides a technical solution: a valve with a guiding function, comprising a valve body 1, a membrane actuator 7, a condensation tank 8 and a pressure-taking assembly, the condensation tank 8 is connected to the valve body 1 through the pressure-taking assembly, the medium flow channel of the valve body 1 adopts a streamlined design with low resistance; the condensation tank is used for condensing high-temperature media, and the pressure-taking assembly is divided into pre-valve pressure taking and post-valve pressure taking, which are used to introduce the medium into the membrane actuator 7; the pressure-taking assembly comprises an upper pressure-taking pipe 9 and a lower pressure-taking pipe 13, a pipeline filter assembly is arranged between the upper pressure-taking pipe 9 and the lower pressure-taking pipe 13, the pipeline filter assembly comprises a shunt pipe 10, a processing seat 11, a confluence pipe 12, a first plugging plate 14, a left filter frame 15, a translation plate 16, a right filter frame 17 and a second plugging plate 19, one end of the shunt pipe 10 is connected to the upper pressure-taking pipe 9, and the other end of the shunt pipe 10 is connected to the upper pressure-taking pipe 9. The end is fixedly arranged on the upper end surface of the processing seat 11, one end of the converging pipe 12 is connected to the lower pressure-taking pipe 13, and the other end of the converging pipe 12 is fixedly arranged on the lower end surface of the processing seat 11. A first through hole 1101 and a second through hole 1102 connected to the diverter pipe 10 and the converging pipe 12 are provided inside the processing seat 11. The diverter pipe 10 and the converging pipe 12 are both three-way pipes; the first blocking plate 14 and the left filter frame 15 alternately enter the first through hole 1101, the right filter frame 17 and the second blocking plate 19 alternately enter the second through hole 1102, and a group of filter screens 18 are movably inserted on the left filter frame 15 and the right filter frame 17, and the translation plate 16 is driven by the main drive assembly and moves left and right in the processing seat 11, and is used to alternately open and close the first through hole 1101 and the second through hole 1102.

[0034] Furthermore, the present invention can effectively filter impurities and solid particles in the medium by adding a pipeline filter assembly to the pressure taking pipe, prevent these impurities from entering the pressure taking pipe, reduce the risk of pipeline blockage, and thus improve the stability and accuracy of the pressure taking pipe; on the other hand, it can reduce the number of failures and maintenance of the pressure taking pipe, reduce downtime for maintenance, improve the operating efficiency of the equipment, reduce maintenance costs and usage costs, and has high practical value and economic benefits.

[0035] like Figure 1 as well as Figure 2As shown, the upper end of the valve body 1 is provided with a lower bracket 2, and the rear end of the lower bracket 2 is protrudingly provided with an additional plate 201. A mounting platform overlapped on the additional plate 201 is recessed below the end of the treatment seat 11 away from the shunt pipe 10, and is fixed by bolts. The upper end of the lower bracket 2 is fixedly connected to the upper bracket 6 through two vertical rods 4, and a top guide mechanism 39 is provided below the upper bracket 6. A support spring 5 is abutted and connected below the top guide mechanism 39. The spring force of the spring 5 and the medium pressure are balanced, and the pressure before the valve or the pressure after the valve can be stabilized to a specified value; the lower end of the support spring 5 abuts against the upper end wall of the valve cover, and an initial pressure adjustment component 3 is provided between the two vertical rods 4. The initial pressure is adjusted to achieve the effect of changing the pressure balance point. The upper end of the initial pressure adjustment component 3 is provided with a valve cover, and a valve stem is inserted inside the valve cover. The upper end of the valve stem passes through the support spring 5, the top guide mechanism 39 and the upper bracket 6 in sequence and extends into the membrane actuator 7. The membrane actuator 7 is fixedly provided on the upper bracket 6.

[0036] Specifically, the diaphragm actuator 7 realizes valve movement by receiving medium pressure and balancing the thrust with the support spring 5; and by providing the top guide mechanism 39, the movement of the regulating valve core can be effectively controlled, the friction resistance can be reduced, and the sensitivity and stability of the regulating valve can be improved.

[0037] like Figure 4 as well as Figure 5 As shown, one end of the left filter frame 15 is fixedly connected to the translation plate 16, and the other end of the left filter frame 15 extends into the first through hole 1101 and is fixedly connected to the first blocking plate 14; one end of the right filter frame 17 is fixedly connected to the translation plate 16, and the other end of the right filter frame 17 extends into the second through hole 1102 and is fixedly connected to the second blocking plate 19.

[0038] Furthermore, by arranging the first blocking plate 14, the left filter frame 15, the right filter frame 17 and the second blocking plate 19 to act on the first through hole 1101 and the second through hole 1102 respectively, the two groups of filter screens 18 can be used alternately. When one group of filter screens is in the filtering state, the other group of filter screens can be cleaned and disassembled for maintenance, thereby ensuring the continuous filtering effect of the pressure taking pipe, reducing the downtime of the pressure taking pipe, and improving the operating time of the equipment; and by alternating the use of the two groups of filter screens, the frequency of use of a single filter screen can be reduced, the service life of the filter screen can be extended, and the maintenance cost can be reduced.

[0039] like Figure 4 as well as Figure 5 As shown, rectangular through grooves for accommodating the first sealing plate 14 and the second sealing plate 19 are formed on both horizontal sides of the processing seat 11, and an isolation frame 37 is fixedly provided on the outer contour of each rectangular groove, and a protective shell 38 is fixedly mounted on the outer wall of the isolation frame 37 through a detachable component.

[0040] Furthermore, by providing a protective shell 38 for use in conjunction with the isolation frame 37 , the first sealing plate 14 and the second sealing plate 19 can be sealed and protected.

[0041] like Figure 2 as well as Figure 4 As shown, a movable groove for accommodating the main driving component is opened in the processing seat 11, and the main driving component includes a pushing bar 22, a main pushing plate 23 and an electric pushing rod 24. The piston rod of the electric pushing rod 24 extends outward and is fixedly connected to the main pushing plate 23. One end of the pushing bar 22 is fixedly connected to the main pushing plate 23, and the other end of the pushing bar 22 extends into the translation plate 16 and is fixedly connected to a toggle rod 21. A driving groove 20 for accommodating the toggle rod 21 is opened on the translation plate 16, and the driving groove 20 is composed of a middle oblique groove and straight grooves at both ends.

[0042] Furthermore, by setting a toggle rod 21, a push bar 22, and a main push plate 23 for use in conjunction with the drive groove 20, the linear driving force of the electric push rod 24 can be converted into the left and right movement of the translation plate 16, so that the two groups of filter screens 18 alternately enter the first through hole 1101 and the second through hole 1102. The alternating use of the two groups of filter screens can maintain the stability of the pressure taking pipe and avoid device shutdown due to failure or cleaning of a single filter screen.

[0043] like Figure 2 as well as Figure 4 As shown, the front left end of the main push plate 23 is connected to the first ejection component for ejecting the filter 18 on the left filter frame 15 from the processing seat 11 to the outside; the rear right end of the main push plate 23 is connected to the second ejection component for ejecting the filter 18 on the right filter frame 17 from the processing seat 11 to the outside, and the front side wall is provided with a groove A and a groove B symmetrical with respect to the push bar 22, and a baffle 36 is provided at the opening of the groove A and the groove B.

[0044] Specifically, when the main push plate 23 moves toward the direction of the translation plate 16, the first ejection assembly is subjected to force and ejects the filter screen 18 on the left filter frame 15 from the slot A. When the main push plate 23 moves in a direction away from the translation plate 16, the second ejection assembly is subjected to force and ejects the filter screen 18 on the right filter frame 17 from the slot B.

[0045] like Figure 6 as well as Fig. 9 As shown, the first ejection assembly includes a driven plate 25, a No. 1 spring 26, a first ejector rod 27 and a first ejector block 29. One end of the driven plate 25 is fixedly connected to the No. 1 spring 26, and the other end of the driven plate 25 is abutted against the main push plate 23. The first ejector rod 27 is connected to the first ejector block 29 through a double-speed pushing structure 28, and the first ejector block 29 extends into the slot A.

[0046] Furthermore, by setting up a driven plate 25, a No. 1 spring 26 and a first push rod 27 for use in conjunction, the retraction movement of the electric push rod 24 can be converted into a rapid pop-up movement of the first push block 29, so that the filter 18 on the left filter frame 15 is pushed out of the slot A to the outside.

[0047] like Figure 6 , Fig. 9 as well as Fig.10 As shown, the second ejection assembly includes a second ejector block 30, a second ejector rod 31, a driven rack 32, a spur gear 33, an active rack 34 and a No. 2 spring 35. The spur gear 33 is arranged between the driven rack 32 and the active rack 34. One end of the active rack 34 is fixedly connected to the No. 2 spring 35, and the other end of the active rack 34 is abutted against the main push plate 23. One end of the second ejector rod 31 is fixedly connected to the driven rack 32, and the other end of the second ejector rod 31 is connected to the second ejector block 30 through the double-speed pushing structure 28. The second ejector block 30 extends into the slot B.

[0048] Furthermore, by setting up a second push rod 31, a driven rack 32, a spur gear 33, an active rack 34 and a second spring 35 for use in combination, the extension movement of the electric push rod 24 can be converted into a rapid pop-up movement of the second push block 30, so that the filter 18 on the right filter frame 17 is pushed out of the slot B to the outside.

[0049] like Fig. 9 as well as Fig.10 As shown, the speed multiplying structure 28 is a scissor-type stroke multiplying mechanism or a rack and pinion stroke multiplying mechanism.

[0050] Furthermore, by providing the double-speed pushing structure 28, the pushing line distance of the main pushing plate 23 on the driven plate 25 and the active rack 34 can be increased by more than 2 times, so that the filter 18 can be pushed out to a position that is convenient for taking.

[0051] When the present invention is in use, a flow meter can be installed on the upper pressure-taking pipe 9, and the reading of the flow meter can be monitored to observe whether there is an abnormal flow rate or flow change in the pressure-taking pipe. When a change occurs, the electric push rod 24 is started, and the piston rod of the electric push rod 24 retracts inward, so that the main push plate 23 drives the push bar 22 to move in the direction of the electric push rod 24, and the toggle rod 21 on the push bar 22 enters the inclined groove portion of the driving groove 20, so that the translation plate 16 is forced to drive the first blocking plate 14, the left filter frame 15, the right filter frame 17 and the second blocking plate 19 to move to the left together. At this time, the second blocking plate 19 is inserted into the second through hole 1102, and the second through hole 1102 is no longer circulated, and the right filter frame 17 moves. When the filter 18 on the left filter frame 15 moves to the slot B, the filter 18 on the left filter frame 15 is inserted into the first through hole 1101, and the first through hole 1101 is flowing normally; and as the piston rod of the electric push rod 24 further retracts inward, the toggle rod 21 on the push bar 22 drives into the straight groove portion of the drive groove 20, the translation plate 16 remains stationary, and the main push plate 23 squeezes the active rack 34, so that the active rack 34 is forced to squeeze the second spring 35 and act on the spur gear 33, so that the driven rack 32 drives the second push rod 31 to move forward, and the moving line spacing is increased through the double-speed pushing structure 28, so that the second push block 30 quickly pushes the filter 18 on the right filter frame 17 out through the slot B, so that the saturated filter 18 can be replaced conveniently.

[0052] When the piston rod of the electric push rod 24 extends outward, the main push plate 23 drives the push bar 22 to move in the direction away from the electric push rod 24, and the toggle rod 21 on the push bar 22 enters the inclined groove portion of the driving groove 20 again, so that the translation plate 16 is forced to drive the first blocking plate 14, the left filter frame 15, the right filter frame 17 and the second blocking plate 19 to move to the right together. At this time, the first blocking plate 14 is inserted into the first through hole 1101, and the first through hole 1101 is no longer ventilated. The left filter frame 15 moves to the slot A, and the filter screen 18 on the right filter frame 17 is inserted into the second through hole 1102. The second through hole 1102 is flowing normally; and as the piston rod of the electric push rod 24 extends further outward, the toggle rod 21 on the push bar 22 enters the front end straight groove portion of the driving groove 20, the translation plate 16 remains stationary, and the main push plate 23 squeezes the driven plate 25, so that the driven plate 25 is forced to squeeze the No. 1 spring 26 and act on the first push rod 27, so that the first push rod 27 moves forward, and the moving line spacing is increased by the double-speed pushing structure 28, so that the first push block 29 quickly pushes the filter 18 on the left filter frame 15 out through the slot A, so that the saturated filter 18 can be replaced conveniently.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve with a guiding function, comprising a valve body (1), a diaphragm actuator (7), a condensation tank (8) and a pressure taking assembly, characterized in that: The condensing tank (8) is connected to the valve body (1) through a pressure taking assembly, the pressure taking assembly comprises an upper pressure taking pipe (9) and a lower pressure taking pipe (13), a pipeline filter assembly is arranged between the upper pressure taking pipe (9) and the lower pressure taking pipe (13), the pipeline filter assembly comprises a shunt pipe (10), a processing seat (11), a confluence pipe (12), a first blocking plate (14), a left filter frame (15), a translation plate (16), a right filter frame (17) and a second blocking plate (19), one end of the shunt pipe (10) is connected to the upper pressure taking pipe (9), the other end of the shunt pipe (10) is fixedly arranged on the upper end surface of the processing seat (11), one end of the confluence pipe (12) is connected to the lower pressure taking pipe (13), the other end of the confluence pipe (12) is fixedly arranged on the upper end surface of the processing seat (11), The processing seat (11) is provided at the lower end surface thereof. The processing seat (11) is provided with a first through hole (1101) and a second through hole (1102) which are connected to the diverter pipe (10) and the converging pipe (12). The first blocking plate (14) and the left filter frame (15) alternately enter the first through hole (1101). The right filter frame (17) and the second blocking plate (19) alternately enter the second through hole (1102). A group of filter screens (18) are movably connected to the left filter frame (15) and the right filter frame (17). The translation plate (16) is driven by a main driving component and moves left and right in the processing seat (11) to alternately open and close the first through hole (1101) and the second through hole (1102).

2. A valve with a guiding function according to claim 1, characterized in that: A lower bracket (2) is provided at the upper end of the valve body (1), and the upper end of the lower bracket (2) is fixedly connected to the upper bracket (6) via two vertical rods (4). A top guide mechanism (39) is provided below the upper bracket (6), and a support spring (5) is abutted and connected below the top guide mechanism (39), and the lower end of the support spring (5) abuts and is connected to the upper end wall of the valve cover. An initial pressure adjustment assembly (3) is provided between the two vertical rods (4), and a valve cover is provided at the upper end of the initial pressure adjustment assembly (3). A valve stem is inserted into the inside of the valve cover, and the upper end of the valve stem passes through the support spring (5), the top guide mechanism (39) and the upper bracket (6) in sequence and extends into the membrane actuator (7), and the membrane actuator (7) is fixedly provided on the upper bracket (6).

3. A valve with a guiding function according to claim 2, characterized in that: The rear end of the lower bracket (2) is provided with a mounting plate (201) protruding therefrom, and a mounting platform overlapped on the mounting plate (201) is recessed below the end of the processing seat (11) away from the diversion pipe (10) and fixed by bolts.

4. A valve with a guiding function according to claim 1, characterized in that: One end of the left filter frame (15) is fixedly connected to the translation plate (16), and the other end of the left filter frame (15) extends into the first through hole (1101) and is fixedly connected to the first blocking plate (14); one end of the right filter frame (17) is fixedly connected to the translation plate (16), and the other end of the right filter frame (17) extends into the second through hole (1102) and is fixedly connected to the second blocking plate (19).

5. A valve with a guiding function according to claim 1, characterized in that: Rectangular through slots for accommodating the first sealing plate (14) and the second sealing plate (19) are provided on both horizontal sides of the processing seat (11), and an isolation frame (37) is fixedly provided on the outer contour of each rectangular slot, and a protective shell (38) is fixedly sleeved on the outer wall of the isolation frame (37) through a detachable component.

6. A valve with a guiding function according to claim 1, characterized in that: The processing seat (11) is provided with a movable groove for accommodating a main driving component, and the main driving component includes a pushing bar (22), a main pushing plate (23) and an electric pushing rod (24). The piston rod of the electric pushing rod (24) extends outward and is fixedly connected to the main pushing plate (23). One end of the pushing bar (22) is fixedly connected to the main pushing plate (23), and the other end of the pushing bar (22) extends into the translation plate (16) and is fixedly connected to a toggle rod (21). The translation plate (16) is provided with a driving groove (20) for accommodating the toggle rod (21), and the driving groove (20) is composed of a middle oblique groove and straight grooves at both ends.

7. A valve with a guiding function according to claim 6, characterized in that: The left front end of the main push plate (23) is abutted against and connected to a first ejection assembly for ejecting a filter screen (18) on a left filter frame (15) out of a processing seat (11); the right rear end of the main push plate (23) is abutted against and connected to a second ejection assembly for ejecting a filter screen (18) on a right filter frame (17) out of a processing seat (11), and the front side wall is provided with a slot A and a slot B symmetrically arranged about the push bar (22), and a baffle (36) is arranged at the opening of the slot A and the slot B.

8. A valve with a guiding function according to claim 7, characterized in that: The first ejection assembly comprises a driven plate (25), a No. 1 spring (26), a first ejector rod (27) and a first ejector block (29); one end of the driven plate (25) is fixedly connected to the No. 1 spring (26); the other end of the driven plate (25) is abutted against and connected to the main push plate (23); the first ejector rod (27) is connected to the first ejector block (29) via a multiple-speed pushing structure (28); and the first ejector block (29) extends into the slot A.

9. A valve with a guiding function according to claim 7, characterized in that: The second ejection assembly comprises a second ejector block (30), a second ejector rod (31), a driven rack (32), a spur gear (33), an active rack (34) and a second spring (35). The spur gear (33) is arranged between the driven rack (32) and the active rack (34). One end of the active rack (34) is fixedly connected to the second spring (35). The other end of the active rack (34) is abutted against the main push plate (23). One end of the second ejector rod (31) is fixedly connected to the driven rack (32). The other end of the second ejector rod (31) is connected to the second ejector block (30) via a double-speed pushing structure (28). The second ejector block (30) extends into the slot B.

10. A valve with a guiding function according to claim 9, characterized in that: The speed multiplying structure (28) is a scissor-type stroke multiplying mechanism or a gear rack stroke multiplying mechanism.

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