Pressure stabilizing valve

Abstract

The invention provides a pressure stabilizing valve, and belongs to the technical field of valves. The positioning plate is fixedly arranged on the inner wall of the valve body, and a plurality of round rods are movably embedded in the inner wall of the positioning plate. During use, a chemical medium flows into the valve body through the water inlet pipe and flows out through the water outlet pipe, and when the multiple supporting rods rotate, adsorption substances and fluid in the filter cartridge are stirred to be fully mixed together; the adsorption substance adsorbs impurities in the fluid, the filtered fluid is discharged through a plurality of filtering holes in the filtering cylinder, a plurality of first scraping plates are driven to rotate when a plurality of supporting rods rotate, the inner wall of the filtering cylinder is scraped when the plurality of first scraping plates rotate, and the impurities adhered to the inner wall of the filtering cylinder are scraped; and impurities are prevented from blocking the multiple filtering holes and affecting the flow speed of the fluid, so that when the valve is used, the impurities in the fluid are filtered in a multi-stage mode, and the valve is prevented from being damaged by the impurities.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of valves, in particular to a pressure stabilizing valve. BACKGROUND

[0002] In the chemical production process, as an important control element, valves are widely used in the transportation and regulation of various fluid media, especially in the transportation of chemical media, the pressure and impurities of the fluid have an important influence on the performance and service life of the valve.

[0003] Many chemical valves only rely on a simple filter screen to remove impurities in the fluid, but this design often has the problem of incomplete filtering effect, because the pore size of the filter screen may be too large, causing larger impurities to enter the interior of the valve, which may eventually cause damage to important components such as valve seats and valve cores. Some existing valve designs cannot effectively and stably control the pressure of the fluid, especially when the fluid flow changes greatly, which can easily lead to pressure fluctuations. The lack of effective pressure stabilizing devices makes it impossible to accurately control the pressure of the valve when handling fluid media, which can cause instability in the chemical production process and even risk of equipment damage. SUMMARY

[0004] The pressure stabilizing valve provided by the present application can filter impurities in the fluid in multiple stages when the valve is in use, preventing impurities from damaging the valve. When filtering impurities, the filter screen can prevent impurities from clogging the holes on the filter screen, improving the flow rate of the fluid. When the valve is in use, the valve can adjust the pressure itself and stabilize the pressure.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a pressure stabilizing valve, the device comprises: a valve body; a positioning plate fixedly arranged on the inner wall of the valve body, and a plurality of round rods movably embedded in the inner wall of the positioning plate, the plurality of round rods being slidable in the inner wall of the positioning plate, and the filtering structure being connected with the valve body through the plurality of round rods; a fixed plate fixedly arranged on one side of the plurality of round rods, and a filter screen fixedly embedded in the inner wall of the fixed plate, the filter screen having holes to allow the fluid to pass into the interior of the filter cartridge, and the impurities in the fluid being preliminarily filtered by the filter screen; a rotating rod arranged at the center of one side of the filter screen through a bearing, and a helical blade threadedly embedded on one side of the rotating rod, the rotating rod being rotatable through the bearing, and the helical blade being detachable from the rotating rod by rotating the helical blade; a filter cartridge threadedly embedded in the inner wall of the fixed plate, and a mesh bag fixedly arranged on one side of the filter cartridge.

[0006] As a further improvement of the present application: one end of the rotating rod is fixedly provided with a connecting plate, one side of the connecting plate is fixedly provided with a plurality of supporting rods, one end of each of the plurality of supporting rods is fixedly provided with a first scraper, a plurality of filter holes are formed on the outer surface of the filter cartridge, the plurality of first scrapers are driven to rotate when the plurality of supporting rods rotate, one side of the plurality of first scrapers is tightly attached to the inner wall of the filter cartridge, the inner wall of the filter cartridge is scraped when the plurality of first scrapers rotate, the impurities attached to the inner wall of the filter cartridge are scraped off, the plurality of filter holes are prevented from being blocked by the impurities, and the flow rate of the fluid is affected.

[0007] As a further improvement of the present application: one side of the fixed plate is fixedly provided with a cylinder, both sides of the valve body are provided with a water inlet pipe and a water outlet pipe through flanges, a threaded groove for connecting with the spiral blade is formed on the outer surface of the rotating rod, the chemical medium flows into the interior of the valve body through the water inlet pipe, and flows out through the water outlet pipe, the two flanges make the water inlet pipe and the water outlet pipe connected together.

[0008] As a further improvement of the present application: a plurality of notches are formed on the outer surface of the rotating rod, a horizontal plate is slidably arranged at the inner wall of each of the plurality of notches, and each of the plurality of horizontal plates can slide at the inner wall of each of the plurality of notches.

[0009] As a further improvement of the present application: one side of each of the plurality of horizontal plates is provided with a second scraper through a screw, a circular plate is movably sleeved on the outer surface of the rotating rod, the plurality of second scrapers are removed by rotating the screw, and the circular plate can slide on the outer surface of the rotating rod.

[0010] As a further improvement of the present application: one side of the circular plate is fixedly provided with a compression spring, a sleeve is threadedly sleeved on the outer surface of the rotating rod, one side of each of the plurality of second scrapers is arranged on one side of the filter screen, the sleeve is rotated to push the circular plate on one side of the sleeve, the compression spring has elasticity, the plurality of horizontal plates are pushed by the elasticity of the sleeve and the compression spring, the plurality of second scrapers are further tightly attached to one side of the filter screen, the plurality of horizontal plates are driven to rotate when the rotating rod rotates, the plurality of second scrapers are further driven to rotate, and the rotating plurality of second scrapers scrape off the impurities on the filter screen.

[0011] As a further improvement of the present application: a cover is mounted on one side of the valve body, a valve cover is arranged on one side of the cover through a nut, an adjusting screw for adjusting pressure is arranged at the inner wall of the valve cover, the valve cover can be removed from the cover by rotating the valve cover, and the adjusting screw can be rotated in different directions at this time.

[0012] As a further improvement of the present application, the outer surface of the adjusting screw is provided with an upper spring seat, one side of the upper spring seat is provided with an adjusting spring, the inner wall of the valve body is installed with a diaphragm, further making one end of the adjusting screw to be pressed down or lifted, further making the adjusting screw to move the upper spring seat to different positions, when the upper spring seat is close to the top position, the upper spring seat is relaxed to press the adjusting spring, when the upper spring seat is close to the bottom position, the pressing of the adjusting spring is increased.

[0013] As a further improvement of the present application, one side of the diaphragm is provided with a lower spring seat, one side of the lower spring seat is provided with a valve core, one side of the valve core is provided with a sealing ring, the inner wall of the valve body is provided with a valve seat, the fluid medium flows to the inside of the valve body through the water inlet pipe and filtering, the lower spring seat is flexible, the valve rod and the lower spring seat are connected together, when the fluid flows, the fluid pushes the sealing ring upward, and the pressure is balanced through the adjusting spring.

[0014] As a further improvement of the present application, one side of the valve seat is provided with a valve rod, the inner wall of the valve body is installed with two pressure gauges, one side of the valve body is provided with a bottom cover through a sealing gasket, the pressure inside the valve body can be known through the two pressure gauges, and the sealing gasket improves the sealing between the bottom cover and the valve body.

[0015] As a further improvement of the present application, the diaphragm is fixedly connected with a cavity capsule inside, a plurality of circular grooves are formed in the top of the cavity capsule, a repairing agent capsule is fixedly connected to the top of the inner wall of the cavity capsule, a plurality of spray pipes are fixedly connected to the top of the repairing agent capsule, the outer walls of the plurality of spray pipes are fixedly connected to the inner walls of the plurality of circular grooves, a pointed compression ring is fixedly connected to the bottom of the repairing agent capsule, a plurality of short rods are fixedly connected to the bottom of the pointed compression ring, a plurality of push rings are fixedly connected to the bottom of the plurality of short rods, the bottom of the push ring is fixedly connected to the inner wall of the bottom of the cavity capsule, the repairing agent in the middle of the repairing agent capsule flows to the damaged place of the diaphragm through the spray pipe, the crack expansion of the damaged part of the diaphragm can be prevented, and the leakage of the pressure at the diaphragm is reduced.

[0016] Compared with the prior art, the present application has the advantages and positive effects that, 1. The application, when using the valve, the water inlet pipe into the chemical medium to the inside of the valve body, through the outlet pipe, two flanges make the inlet pipe and outlet pipe together, when the fluid medium into the inlet pipe will pass through the spiral blade, further drive the spiral blade rotation, further through the filter screen on the leakage hole to the inside of the filter cartridge, the impurities in the fluid are preliminarily filtered, before use by rotating the filter cartridge, it is taken off from the fixed plate, pour the polymer adsorbent material into the inside of the filter cartridge, by rotating the filter cartridge is installed on the fixed plate, the fluid after primary filtration flows into the inside of the filter cartridge, when the spiral blade drives the rotating rod to rotate, the connecting plate is driven to rotate, further drive the plurality of supporting rods to rotate, when the plurality of supporting rods rotate, the adsorbent material and the fluid in the inside of the filter cartridge are fully mixed together, the impurities in the fluid are adsorbed by the adsorbent material, the filtered fluid is discharged through the plurality of filter holes on the filter cartridge, when the plurality of supporting rods rotate, the plurality of first scrapers rotate, one side of the plurality of first scrapers is close to the inner wall of the filter cartridge, when the plurality of first scrapers rotate, the inner wall of the filter cartridge is scraped, the impurities adhered to the inner wall of the filter cartridge are scraped off, preventing the impurities from blocking the plurality of filter holes and affecting the flow rate of the fluid, so that when the valve is used, the impurities in the fluid are filtered in multiple stages, preventing the impurities from damaging the valve.

[0017] 2. The application, when using the valve, the impurities are filtered by the filter screen, the leakage hole on the filter screen will be blocked by the impurities, when the spiral blade rotates, the rotating rod is driven to rotate, the plurality of horizontal plates can slide on the inner wall of the plurality of notches respectively, the circular plate can slide on the outer surface of the rotating rod, the sleeve is rotated to make one side of the sleeve push the circular plate, the compression spring has elasticity, the plurality of horizontal plates are pushed by the elasticity of the sleeve and the compression spring, further making the plurality of second scrapers close to one side of the filter screen, when the rotating rod rotates, the plurality of horizontal plates are driven to rotate, further making the plurality of second scrapers rotate, the plurality of second scrapers that rotate scrape the impurities on the filter screen, so that when the impurities are filtered, the leakage hole on the filter screen can be prevented from being blocked by the impurities, and the flow rate of the fluid is improved.

[0018] 3. The application, when using the valve body, the valve cover can be taken off from the cover by rotating, at this time, the different directions of the adjusting screw can be rotated, further making one end of the adjusting screw press down or rise, further making the adjusting screw drive the upper spring seat to move to different positions, when the upper spring seat is close to the upper position, the compression of the adjusting spring by the upper spring seat is relaxed, when the upper spring seat is close to the bottom position, the compression of the adjusting spring is increased, further adjusting the compression of the lower spring seat, the fluid medium flows into the inside of the valve body after being filtered through the inlet pipe, the lower spring seat has flexibility, the valve rod and the lower spring seat are connected together, when the fluid flows, the fluid pushes the sealing ring upward, the pressure is balanced by the adjusting spring, so that when the valve is used, the valve can adjust the pressure by itself and stabilize the pressure.

[0019] 4、The application, when the diaphragm is used for a long time and is damaged, the pressure at the diaphragm increases, the increase of the pressure extrudes the bottom of the cavity capsule, the top of the cavity capsule is extruded by the pressure and moves the push ring to push the sharp compression ring, the movement of the sharp compression ring extrudes the repair agent capsule, the middle repair agent of the repair agent capsule flows to the damaged diaphragm through the nozzle, which helps to prevent the crack of the damaged diaphragm from expanding, and reduces the leakage of the pressure at the diaphragm, avoids the dangerous situation caused by the excessive leakage of the pressure. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A top view of a pressure stabilizing valve is provided.

[0021] Figure 2 A front view of a pressure stabilizing valve is provided.

[0022] Figure 3 A three-dimensional structure diagram of the pressure stabilizing valve after the water inlet pipe is disassembled is provided.

[0023] Figure 4 A three-dimensional structure diagram of the pressure stabilizing valve after the water inlet pipe is disassembled is provided.

[0024] Figure 5 A three-dimensional structure diagram of the pressure stabilizing valve after the spiral blade is disassembled is provided.

[0025] Figure 6 A sectional view of a filter cartridge of a pressure stabilizing valve is provided.

[0026] Figure 7 A sectional view of a valve body of a pressure stabilizing valve is provided.

[0027] Figure 8 A magnified three-dimensional structure diagram of A in the application is provided. Figure 5

[0028] A magnified three-dimensional structure diagram of B in the application is provided. Figure 9 Figure 6 A shape of a diaphragm in the application is provided.

[0029] Figure 10 A sectional view of a diaphragm in the application is provided.

[0030] Figure 11

[0031] ​​Legend: 1, valve body; 2, flange; 201, fixed plate; 202, round rod; 203, filter cartridge; 204, filter screen; 205, rotating rod; 206, helical blade; 207, connecting plate; 208, support rod; 209, first scraper; 210, filter hole; 211, mesh bag; 212, cylinder; 213, water inlet pipe; 214, water outlet pipe; 215, positioning plate; 216, threaded groove; 3, slot; 301, cross plate; 302, second scraper; 303, round plate; 304, sleeve; 305, extrusion spring; 4, cover; 401, valve cover; 402, adjusting screw; 403, upper spring seat; 404, adjusting spring; 405, diaphragm; 4051, cavity capsule; 4052, round groove; 4053, nozzle; 4054, repair agent capsule; 4055, pointed compression ring; 4056, short rod; 4057, push ring; 406, lower spring seat; 407, valve core; 408, sealing ring; 409, valve stem; 410, pressure gauge; 411, bottom cover; 412, gasket; 413, valve seat. DETAILED DESCRIPTION

[0032] In order to enable a more clear understanding of the above-mentioned objects, features and advantages of the present application, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0033] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in a different manner from the description, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0034] Please refer to Figures 1 to 9The embodiment provides a pressure stabilizing valve, which comprises a valve body 1, positioning plates 215 fixedly arranged at the inner wall of the valve body 1, and a plurality of round rods 202 movably arranged at the inner wall of the positioning plates 215, the positioning plates 215 and a fixed plate 201 are connected through the plurality of round rods 202, the plurality of round rods 202 are inserted into the inner wall of the positioning plates 215, the positioning plates 215 and the fixed plate 201 are connected together, the fixed plate 201 is fixedly arranged at one side of the plurality of round rods 202, and a filter screen 204 is fixedly arranged at the inner wall of the fixed plate 201, the filter screen 204 is used for filtering large-particle impurities in water for the first time, a rotating rod 205 is arranged at the center of one side of the filter screen 204 through a bearing, and helical blades 206 are threadedly arranged at one side of the rotating rod 205, the rotating rod 205 can rotate through the bearing, fluid medium can drive the rotating rod 205 to rotate when passing through the helical blades 206, a filter cylinder 203 is threadedly arranged at the inner wall of the fixed plate 201, and a net bag 211 is fixedly arranged at one side of the filter cylinder 203, the filter cylinder 203 is used for filtering fluid for the second time, and the net bag 211 can hold impurities and enable the fluid medium to pass through and isolate the impurities in the filter cylinder 203.

[0035] In use, when fluid medium enters the water inlet pipe 213, the fluid medium passes through the helical blades 206 and further drives the helical blades 206 to rotate, and further passes through the leakage holes in the filter screen 204 to the inside of the filter cylinder 203, so that the impurities in the fluid are preliminarily filtered, the filter cylinder 203 is removed from the fixed plate 201 by rotating the filter cylinder 203 before use, the polymer adsorption material is poured into the inside of the filter cylinder 203, the filter cylinder 203 is installed on the fixed plate 201 by rotating the filter cylinder 203, the fluid after preliminary filtration flows into the inside of the filter cylinder 203, the impurities in the fluid are adsorbed by the adsorption material, and the filtered fluid is discharged through a plurality of filter holes 210 in the filter cylinder 203.

[0036] Please refer to Figure 10 In one embodiment, the diaphragm 405 has a convex part, which can provide better flexibility and elasticity. The convex part can increase the elasticity of the diaphragm 405, so that the diaphragm 405 can more easily respond to changes in system pressure. With the change in pressure, the diaphragm 405 will displace upward or downward accordingly, control the opening of the valve, ensure accurate adjustment of the valve, adapt to changes in the pressure of the fluid medium, and the convex part of the diaphragm 405 enhances the rapid response of the diaphragm 405 to pressure fluctuations. In the case of rapid pressure change, the valve can be adjusted in time to prevent the pressure of the valve from being too high or too low, thereby playing a role in stabilizing the pressure.

[0037] Please refer to Figures 1 to 9In one embodiment, one end of the rotating rod 205 is fixedly provided with a connecting plate 207, one side of the connecting plate 207 is fixedly provided with a plurality of supporting rods 208, one end of each of the plurality of supporting rods 208 is fixedly provided with a first scraper 209, a plurality of filter holes 210 are formed on the outer surface of the filter cylinder 203, and the plurality of first scrapers 209 are used to scrape the inner wall of the filter cylinder 203 when rotating, so as to scrape off the impurities adhered to the inner wall of the filter cylinder 203, prevent the impurities from blocking the plurality of filter holes 210, and affect the flow rate of the fluid.

[0038] Please refer to Figures 1 to 9 In one embodiment, one side of the fixed plate 201 is fixedly provided with a cylinder 212, both sides of the valve body 1 are provided with a water inlet pipe 213 and a water outlet pipe 214 through the flanges 2, a threaded groove 216 for connecting the helical blade 206 is formed on the outer surface of the rotating rod 205, the chemical medium flows into the inside of the valve body 1 through the water inlet pipe 213, and flows out through the water outlet pipe 214, the two flanges 2 connect the water inlet pipe 213 and the water outlet pipe 214 together, the threaded groove 216 connects the helical blade 206 and the rotating rod 205 together, and when the helical blade 206 rotates, the helical direction of the threaded groove 216 is the same as that of the helical blade 206 and becomes tighter and tighter.

[0039] Please refer to Figures 1 to 9 In one embodiment, a plurality of notches 3 are formed on the outer surface of the rotating rod 205, a horizontal plate 301 is slidably arranged at the inner wall of each of the plurality of notches 3, and the plurality of horizontal plates 301 can slide at the inner wall of each of the plurality of notches 3, respectively.

[0040] Please refer to Figures 1 to 9 In one embodiment, one side of each of the plurality of horizontal plates 301 is provided with a second scraper 302 through a screw, and a circular plate 303 is movably sleeved on the outer surface of the rotating rod 205, the plurality of second scrapers 302 can be removed by rotating the screw, and the circular plate 303 can slide on the outer surface of the rotating rod 205.

[0041] Please refer to Figures 1 to 9 In one embodiment, one side of the circular plate 303 is fixedly provided with a compression spring 305, a sleeve 304 is threadedly sleeved on the outer surface of the rotating rod 205, one side of the plurality of second scrapers 302 is arranged on one side of the filter screen 204, the sleeve 304 is rotated to push the circular plate 303 on one side of the sleeve 304, the compression spring 305 has elasticity, the plurality of horizontal plates 301 are pushed by the elasticity of the sleeve 304 and the compression spring 305, the plurality of second scrapers 302 are further tightly attached to one side of the filter screen 204, the plurality of horizontal plates 301 are driven to rotate when the rotating rod 205 rotates, the plurality of second scrapers 302 are further driven to rotate, and the rotating plurality of second scrapers 302 scrape off the impurities on the filter screen 204.

[0042] Please refer to Figures 1 to 9In one embodiment, the valve body 1 is provided with a cover 4 on one side, and the cover 4 is provided with a valve cover 401 on one side through a nut, and the inner wall of the valve cover 401 is provided with an adjusting screw 402 for adjusting pressure, and the valve cover 401 can be removed from the cover 4 by rotating, and the adjusting screw 402 can be rotated in different directions at this time.

[0043] Please refer to Figures 1 to 9 In one embodiment, the outer surface of the adjusting screw 402 is provided with an upper spring seat 403, and the upper spring seat 403 is provided with an adjusting spring 404 on one side, and the inner wall of the valve body 1 is provided with a diaphragm 405, and the one end of the adjusting screw 402 is further pressed or lifted, and the adjusting screw 402 drives the upper spring seat 403 to move to different positions, and when the upper spring seat 403 is close to the upper position, the upper spring seat 403 is relaxed to press the adjusting spring 404, and when the upper spring seat 403 is close to the bottom position, the adjusting spring 404 is pressed.

[0044] Please refer to Figures 1 to 9 In one embodiment, the diaphragm 405 is provided with a lower spring seat 406 on one side, and the lower spring seat 406 is provided with a valve core 407 on one side, and the valve core 407 is provided with a sealing ring 408 on one side, and the inner wall of the valve body 1 is provided with a valve seat 413, and the fluid medium flows to the inside of the valve body 1 through the water inlet pipe 213 and after filtering, the lower spring seat 406 is flexible, and the valve stem 409 is connected with the lower spring seat 406, and when the fluid flows, the fluid pushes the sealing ring 408 upward, and the adjusting spring 404 balances the pressure.

[0045] Please refer to Figures 1 to 9 In one embodiment, the valve seat 413 is provided with a valve stem 409 on one side, and the inner wall of the valve body 1 is provided with two pressure gauges 410, and the valve body 1 is provided with a bottom cover 411 through a sealing gasket 412 on one side, and the pressure inside the valve body 1 can be known through the two pressure gauges 410, and the sealing gasket 412 improves the sealing between the bottom cover 411 and the valve body 1.

[0046] Please refer to Figures 10 to 11In an embodiment, the inner side of the diaphragm 405 is fixedly connected with a cavity capsule 4051, the top of the cavity capsule 4051 is provided with a plurality of circular grooves 4052, the inner wall top of the cavity capsule 4051 is fixedly connected with a repairing agent capsule 4054, the top of the repairing agent capsule 4054 is fixedly connected with a plurality of spray pipes 4053, the outer walls of the plurality of spray pipes 4053 are fixedly connected to the inner walls of the plurality of circular grooves 4052, the bottom of the repairing agent capsule 4054 is fixedly connected with a pointed compression ring 4055, the bottom of the pointed compression ring 4055 is fixedly connected with a plurality of short rods 4056, the bottoms of the plurality of short rods 4056 are fixedly connected with a pushing ring 4057, the bottom of the pushing ring 4057 is fixedly connected to the inner wall bottom of the cavity capsule 4051. Since the cavity capsule 4051 is arranged on the inner wall of the diaphragm 405 and is smaller than the diaphragm 405, the cavity capsule 4051 does not affect the normal use of the diaphragm 405.

[0047] Working principle: when the valve is used, the chemical medium flows into the inside of the valve body 1 through the water inlet pipe 213 and flows out through the water outlet pipe 214, the two flanges 2 connect the water inlet pipe 213 and the water outlet pipe 214 together, when the fluid medium enters the water inlet pipe 213, it passes through the spiral blade 206, further drives the spiral blade 206 to rotate, and further passes through the leakage holes on the filter screen 204 to the inside of the filter cylinder 203 to preliminarily filter the impurities in the fluid, before use, the filter cylinder 203 is removed from the fixed plate 201, the polymeric adsorbent is poured into the inside of the filter cylinder 203, the filter cylinder 203 is installed on the fixed plate 201 by rotating, when the spiral blade 206 drives the rotating rod 205 to rotate, it drives the connecting plate 207 to rotate, further drives the plurality of supporting rods 208 to rotate, when the plurality of supporting rods 208 rotate, the adsorbent and the fluid in the inside of the filter cylinder 203 are fully mixed, the adsorbent adsorbs the impurities in the fluid, the filtered fluid is discharged through the plurality of filter holes 210 on the filter cylinder 203, when the plurality of supporting rods 208 rotate, the plurality of first scrapers 209 rotate, one side of the plurality of first scrapers 209 is close to the inner wall of the filter cylinder 203, when the plurality of first scrapers 209 rotate, the inner wall of the filter cylinder 203 is scraped, the impurities adhered to the inner wall of the filter cylinder 203 are scraped off, preventing the impurities from blocking the plurality of filter holes 210 and affecting the flow rate of the fluid, thereby when the valve is used, the impurities in the fluid are filtered in multiple stages, preventing the impurities from damaging the valve; In use, the impurities are filtered by the filter screen 204, the holes on the filter screen 204 are blocked by the impurities, the rotating screw blade 206 drives the rotating rod 205 to rotate, the plurality of horizontal plates 301 can slide on the inner wall of the plurality of slots 3, the circular plate 303 can slide on the outer surface of the rotating rod 205, the sleeve 304 is rotated to push the circular plate 303 on one side of the sleeve 304, the extrusion spring 305 has elasticity, the plurality of horizontal plates 301 are pushed by the elasticity of the sleeve 304 and the extrusion spring 305, the plurality of second scrapers 302 are further tightly attached to one side of the filter screen 204, the rotating rotating rod 205 drives the plurality of horizontal plates 301 to rotate, the plurality of second scrapers 302 are further rotated, and the rotating plurality of second scrapers 302 scrape the impurities on the filter screen 204, so that the impurities can be prevented from blocking the holes on the filter screen 204 when filtering the impurities, and the flow rate of the fluid is improved. In use, the valve cover 401 can be removed from the cover 4 by rotating the valve cover 401, at this time, the different directions of the adjusting screw 402 are rotated, the one end of the adjusting screw 402 is further pressed down or rises, the adjusting screw 402 drives the upper spring seat 403 to move to different positions, the upper spring seat 403 is relaxed to extrude the adjusting spring 404 when the upper spring seat 403 is close to the upper position, the extrusion of the adjusting spring 404 is increased when the upper spring seat 403 is close to the bottom position, the extrusion of the lower spring seat 406 is further adjusted, the fluid medium flows into the inside of the valve body 1 after being filtered through the water inlet pipe 213, the lower spring seat 406 has flexibility, the valve rod 409 and the lower spring seat 406 are connected together, the fluid pushes the sealing ring 408 upward when the fluid flows, the pressure is balanced by the adjusting spring 404, so that the valve can adjust the pressure by itself and stabilize the pressure when the valve is used. In use, when the diaphragm 405 is damaged after long-time use, the pressure at the diaphragm 405 increases, the increase of the pressure extrudes the bottom of the cavity capsule 4051, the top of the cavity capsule 4051 is extruded by the pressure at the same time, the push ring 4057 pushes the sharp compression ring 4055 to move through the short rod 4056, the movement of the sharp compression ring 4055 extrudes the repair agent capsule 4054, so that the repair agent in the middle of the repair agent capsule 4054 flows to the damaged place of the diaphragm 405 through the nozzle 4053, which helps to prevent the crack of the damaged part of the diaphragm 405 from expanding, and can reduce the leakage of the pressure at the diaphragm 405, avoiding the dangerous situation caused by the excessive leakage of the pressure.

[0048] It should be noted that when the diaphragm 405 is used under normal pressure, the cavity capsule 4051 can withstand the pressure of the diaphragm 405 under normal use, and the cavity capsule 4051 will not be deformed under the pressure, only when the diaphragm 405 is damaged, the pressure of the diaphragm 405 is further increased, and the cavity capsule 4051 will be affected by the increase of the pressure, and the cavity capsule 4051 is arranged on the inner wall of the diaphragm 405 and is smaller than the diaphragm 405, so the cavity capsule 4051 will not affect the normal use of the diaphragm 405.

[0049] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any person skilled in the art can use the disclosed technical content to make changes or modifications to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution content of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical solution of the present application.

Claims

1. A pressure regulating valve, characterized in that, The device includes: Valve body (1); The positioning plate (215) is fixedly installed on the inner wall of the valve body (1), and multiple round rods (202) are movably embedded in the inner wall of the positioning plate (215). A fixing plate (201) is fixedly disposed on one side of the plurality of round rods (202), and a filter screen (204) is fixedly embedded in the inner wall of the fixing plate (201). The rotating rod (205) is located at the center of one side of the filter screen (204) via a bearing, and a spiral blade (206) is threaded into one side of the rotating rod (205). The filter cartridge (203) is threaded into the inner wall of the fixed plate (201), and a mesh bag (211) is fixedly provided on one side of the filter cartridge (203).

2. A pressure regulating valve according to claim 1, characterized in that: A connecting plate (207) is fixedly provided at one end of the rotating rod (205), and a plurality of support rods (208) are fixedly provided on one side of the connecting plate (207). A first scraper (209) is fixedly provided at one end of each of the support rods (208), and a plurality of filter holes (210) are opened on the outer surface of the filter cylinder (203).

3. A pressure regulating valve according to claim 2, characterized in that: A cylinder (212) is fixedly installed on one side of the fixed plate (201). Both sides of the valve body (1) are provided with an inlet pipe (213) and an outlet pipe (214) through flanges (2). A threaded groove (216) for connecting with the spiral blade (206) is opened on the outer surface of the rotating rod (205).

4. A pressure regulating valve according to claim 1, characterized in that: The outer surface of the rotating rod (205) is provided with multiple slots (3), and a horizontal plate (301) is slidably provided on the inner wall of each of the multiple slots (3).

5. A pressure regulating valve according to claim 4, characterized in that: Each of the multiple horizontal plates (301) has a second scraper (302) provided on one side by screws, and a circular plate (303) is movably sleeved on the outer surface of the rotating rod (205).

6. A pressure regulating valve according to claim 5, characterized in that: A compression spring (305) is fixedly installed on one side of the circular plate (303), and a sleeve (304) is threaded on the outer surface of the rotating rod (205). One side of a plurality of second scrapers (302) is disposed on one side of the filter screen (204).

7. A pressure regulating valve according to claim 6, characterized in that: A cover (4) is installed on one side of the valve body (1), and a valve cover (401) is provided on one side of the cover (4) by means of a nut. An adjusting screw (402) for adjusting pressure is provided on the inner wall of the valve cover (401).

8. A pressure regulating valve according to claim 7, characterized in that: An upper spring seat (403) is provided on the outer surface of the adjusting screw (402), an adjusting spring (404) is provided on one side of the upper spring seat (403), and a diaphragm (405) is installed on the inner wall of the valve body (1).

9. A pressure regulating valve according to claim 8, characterized in that: A lower spring seat (406) is provided on one side of the diaphragm (405), a valve core (407) is provided on one side of the lower spring seat (406), a sealing ring (408) is provided on one side of the valve core (407), a valve seat (413) is provided on the inner wall of the valve body (1), a valve stem (409) is provided on one side of the valve seat (413), two pressure gauges (410) are installed on the inner wall of the valve body (1), and a bottom cover (411) is provided on one side of the valve body (1) through a sealing gasket (412).

10. A pressure regulating valve according to claim 8, characterized in that: A hollow capsule (4051) is fixedly connected inside the diaphragm (405). The top of the hollow capsule (4051) has several circular grooves (4052). A repair agent capsule (4054) is fixedly connected to the top of the inner wall of the hollow capsule (4051). Several nozzles (4053) are fixedly connected to the top of the repair agent capsule (4054). The outer walls of the nozzles (4053) are fixedly connected to the inner walls of the circular grooves (4052). A pointed pressure ring (4055) is fixedly connected to the bottom of the repair agent capsule (4054). Several short rods (4056) are fixedly connected to the bottom of the pointed pressure ring (4055). A push ring (4057) is fixedly connected to the bottom of the inner wall of the hollow capsule (4051).

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