CN115929961B - Self-operated pressure regulating valve and use method thereof - Google Patents
Self-operated pressure regulating valve and use method thereof Download PDFInfo
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- CN115929961B CN115929961B CN202310141171.5A CN202310141171A CN115929961B CN 115929961 B CN115929961 B CN 115929961B CN 202310141171 A CN202310141171 A CN 202310141171A CN 115929961 B CN115929961 B CN 115929961B
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Abstract
The invention discloses a self-operated pressure regulating valve and a use method thereof, and relates to the technical field of regulating valves, wherein the self-operated pressure regulating valve comprises a valve body, a first pipeline is arranged on one side of the valve body, a second pipeline is arranged on one side of the valve body, which is far away from the first pipeline, flange plate assemblies are arranged on two sides of the valve body, the first pipeline and the second pipeline are sleeved with the valve body through the flange plate assemblies, and pressure gauges are arranged on the outer surfaces of the first pipeline and the second pipeline; the pressure regulating valve alarms when the pressure removing pipe is blocked, so that a worker can maintain the pressure removing pipe in time, the filter plate of the pressure removing pipe can be cleaned automatically, the filter plate can be replaced conveniently, and the pressure regulating valve can be used for regulating pressure.
Description
Technical Field
The invention relates to the technical field of regulating valves, in particular to a self-operated pressure regulating valve and a use method thereof.
Background
The self-operated pressure regulating valve is divided into three series of self-operated pressure, pressure difference and flow regulating valve. For flow pressure regulation, the flow regulating valve can be directly used for setting flow according to design, the valve can automatically eliminate flow deviation caused by pressure fluctuation under the action of liquid, the set flow is kept unchanged no matter how the system pressure changes, and the functions of the pressure regulating valve enable the flow regulation of the pipe network to be completed once, so that the hydraulic imbalance of the pipe network is effectively solved.
After the existing pressure regulating valve is used for a long time, the valve rod position is easy to deviate, so that the valve core and the valve cover are not aligned to cause the problem of liquid leakage, the pressure regulating valve is easy to damage only by a spring in the process of pressing down, in addition, the existing pressure regulating valve is thinner in pressure removing pipe pipeline, blockage is easy to occur, automatic cleaning cannot be carried out, pressure regulation cannot be achieved, and staff cannot maintain in time when the blockage occurs.
The invention provides a self-operated pressure regulating valve and a use method thereof.
Disclosure of Invention
The invention aims to provide a self-operated pressure regulating valve and a use method thereof, wherein a correction groove is clamped with a correction block to enable communication holes on a first flange and a second flange to be aligned, the first flange and the second flange are fixedly sleeved through bolts and nuts, the first flange and the second flange are sleeved to enable a valve body, a first pipeline and a second pipeline to be communicated, and when the first flange and the second flange are close to each other, sealing rings on the first flange and the second flange are mutually extruded under the action of a first spring, so that the tightness of the first flange and the second flange is better, and liquid leakage at the joint of the valve body, the first pipeline and the second pipeline is prevented; when the pressure at the second pipeline is increased, liquid flows into the pressure removing pipe for adjustment, the liquid is accompanied with impurities, the pressure removing pipe is relatively thin and easy to block, a filter disc is arranged at the inlet of the pressure removing pipe to prevent the pressure removing pipe from being blocked, when the filter disc is blocked, the liquid in the second pipeline is difficult to flow into the pressure removing pipe, so that the pressure inside the filter box is increased, at the moment, the second spring is compressed to enable the sliding block to slide in the filter box until the push button is pressed to enable the alarm to give an alarm, and the staff is reminded of maintenance; the third spring pushes the brush holder to move in the sliding process of the sliding block, at the moment, the bristles clean the filter plate, so that the cleaning of the outer surface of the filter plate is ensured, the liquid in the second pipeline can circulate with the decompression tube, a worker can also pull the pull ring back and forth to drive the sliding block to move up and down, at the moment, the sliding block drives the connecting rod to move, the bristles can clean the outer surface of the filter plate repeatedly, the filter plate can be replaced by the fixing mechanism, and the leakage-proof plate is pumped into the filter box when the filter plate is replaced, so that the liquid is prevented from flowing out at will; the liquid in the decompression pipe flows into the pressure box and the execution piece to enable the execution piece to extrude the valve rod, at the moment, the valve rod drives the valve core to be attached to the valve cover, so that the flow rate of the liquid flowing through the valve body from the first pipeline to the second pipeline is changed, the effect of pressure regulation is achieved, the limiting mechanism can prevent the valve rod from shifting in the process of pressing down, the problem of liquid leakage caused by the fact that the valve core and the valve cover are not aligned due to long-time working is avoided, and the problem in the background technology is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a self-operated pressure regulating valve, which comprises a valve body, one side of valve body is provided with first pipeline, one side that the valve body kept away from first pipeline is provided with the second pipeline, the both sides of valve body all are provided with the ring flange subassembly, and first pipeline and second pipeline all cup joint with the valve body through the ring flange subassembly, the surface of first pipeline and second pipeline all is provided with the manometer, the surface of second pipeline is provided with filter unit, filter unit's upper surface cup joints the decompression pipe, the end that the decompression pipe kept away from filter unit is provided with adjusting part, the inner chamber fixed mounting of valve body has the valve gap;
the filter component comprises a filter box, wherein a filter plate is slidably connected to the inner cavity of the top end of the filter box, an alarm mechanism is arranged on one side of the filter box, a fixing mechanism is arranged on one side, far away from the alarm mechanism, of the filter box, a leakage-proof plate is slidably connected to the bottom side of the filter box, the leakage-proof plate is slidably connected with a second pipeline, and a cleaning mechanism is arranged in the inner cavity of the filter box.
Further, the ring flange subassembly includes first flange, one side of first flange is provided with the second flange, the intercommunicating pore has all been seted up to the surface of first flange and second flange, accomodate the groove has all been seted up to the surface of first flange and second flange, accomodate the inner chamber sliding connection in groove and have the extrusion ring, one side fixedly connected with sealing washer of extrusion ring, one side that the extrusion ring kept away from the sealing washer is provided with first spring, first spring and accomodate the inner chamber fixed connection in groove, the correction groove has been seted up to the surface of first flange, the surface fixed mounting of second flange has the correction piece.
Further, the first flange and the second flange are fixedly connected through bolts and nuts, the correction groove is clamped with the correction block, and the communication hole on the first flange is communicated and aligned with the communication hole on the second flange when the correction groove is clamped with the correction block.
Further, the alarm mechanism comprises a sliding block, the outer surface of the sliding block is provided with a chute, one side, away from the filter box, of the sliding block is fixedly provided with a pull ring, the upper surface of the filter box is fixedly provided with a fixing seat, the lower surface of the fixing seat is provided with a button, the lower surface of the fixing seat is fixedly connected with a second spring, the upper surface of the fixing seat is provided with an alarm, and the upper surface of the sliding block is fixedly provided with a sealing plate.
Further, the button controls the alarm to work, the bottom of the second spring is fixedly connected with the sliding block, the sliding block is in sliding connection with the filter box, the sealing plate is tightly attached to the sliding block, and the sealing plate is located above the chute.
Further, the fixed establishment includes the fixed block, fixed block and filtration box fixed connection, and the inner chamber of fixed block is provided with the gim peg, and the inner chamber sliding connection of filtration box has the connecting plate, and fixed block and connecting plate pass through gim peg fixed connection, connecting plate and filter plate fixed connection.
Further, the cleaning mechanism comprises a storage rack, the storage rack is fixedly connected with the filter box, the storage rack is in sliding connection with the filter plate, a brush holder is arranged on one side, close to the filter plate, of the brush holder, bristles are tightly attached to the filter plate, a connecting rod is fixedly connected to one side of the brush holder, the connecting rod is in sliding connection in the inner cavity of the storage rack, one end of the connecting rod is in sliding connection with the chute, a third spring is fixedly connected to one side of the brush holder, and one end of the third spring, far away from the brush holder, is fixedly connected with the filter box.
Further, the adjusting component comprises a pressure box, an execution sheet is arranged in the middle of an inner cavity of the pressure box, a valve rod is fixedly connected to the bottom layer of the execution sheet, a valve core is fixedly connected to the bottom end of the valve rod, seat cushions are sleeved on the outer surfaces of the valve rod, fourth springs are sleeved on the outer surfaces of the valve rod, the seat cushions are two, the fourth springs are located between the two seat cushions, and a limiting mechanism is sleeved on the outer surfaces of the valve rod.
Further, stop gear includes the bottom plate, the both ends fixed mounting of bottom plate has the stand, the spacing hole has been seted up to the surface of stand, the surface sliding connection of stand has the connecting strip, the lower surface fixed mounting of connecting strip has down the clamping ring, the surface sliding connection of stand has the slip cap, the gag lever post has been inserted to the bottom of slip cap, the fixed sleeve has been cup jointed to the one end of gag lever post, the fifth spring has been cup jointed to the surface of gag lever post, the upper end fixed mounting of slip cap has a buffer tube, spacing hole and gag lever post block, the fifth spring is located between fixed sleeve and the slip cap, buffer tube inner chamber is provided with the sixth spring, the inner chamber of clamping ring and buffer tube cup joints down, the middle part of connecting strip passes the valve rod, the seatpad fixed connection of valve rod and upper end, seatpad sliding connection of valve rod and lower extreme.
The application method of the self-operated pressure regulating valve is executed by the device and comprises the following steps of:
s1, aligning communication holes on a first flange and a second flange through clamping a correction groove and a correction block, fixedly sleeving the first flange and the second flange through bolts and nuts, wherein the sleeving of the first flange and the second flange is used for enabling a valve body, a first pipeline and a second pipeline to be communicated, and when the first flange and the second flange are close to each other, sealing rings on the first flange and the second flange are mutually extruded under the action of a first spring, so that the tightness of the first flange and the second flange is better, and liquid leakage at the joint of the valve body, the first pipeline and the second pipeline is prevented;
s2, when the pressure at the second pipeline is increased, liquid flows into the pressure removing pipe to be regulated, the liquid is accompanied with impurities, the pressure removing pipe is relatively thin and easy to block, a filter disc is arranged at the inlet of the pressure removing pipe to prevent the pressure removing pipe from being blocked, when the filter disc is blocked, the liquid in the second pipeline is difficult to flow into the pressure removing pipe to cause the increase of the pressure inside the filter box, at the moment, the second spring is compressed to enable the sliding block to slide in the filter box until the push button is pressed to enable the alarm to give an alarm, and the staff is reminded of maintenance;
s3, a third spring pushes the brush holder to move in the sliding process of the sliding block, at the moment, the bristles clean the filter plate, so that the cleaning of the outer surface of the filter plate is ensured, the liquid in the second pipeline can circulate with the decompression tube, a worker can also drive the sliding block to move up and down by pulling the pull ring back and forth, at the moment, the sliding block drives the connecting rod to move, so that the bristles can clean the outer surface of the filter plate repeatedly, the filter plate can be replaced by the fixing mechanism, and the leakage-proof plate is pumped into the filter box when the filter plate is replaced, so that the liquid is prevented from flowing out at will;
s4, liquid in the decompression pipe flows into the pressure box and the execution piece to enable the execution piece to extrude the valve rod, at the moment, the valve rod drives the valve core to be attached to the valve cover, so that the liquid flow rate from the first pipeline to the second pipeline through the valve body is changed, the pressure regulation function is achieved, the limiting mechanism can enable the valve rod not to deviate in the process of pressing down, and the problem of liquid leakage caused by the fact that the valve core and the valve cover are not aligned due to long-time work is avoided.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the self-operated pressure regulating valve and the use method thereof, the valve rod can be prevented from being deviated in the use process of the pressure regulating valve, the valve core and the valve cover are ensured to be aligned all the time, the problem of liquid leakage is avoided, the pressure is regulated in an auxiliary mode through a plurality of springs, and the service life of the pressure regulating valve is prolonged.
2. According to the self-operated pressure regulating valve and the use method thereof, the pressure regulating valve alarms when the pressure removing pipe is blocked, so that a worker can maintain the pressure removing pipe in time, the filter plate of the pressure removing pipe can be cleaned automatically, the filter plate can be replaced conveniently, and the pressure regulating valve can regulate the pressure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a valve body according to the present invention;
FIG. 3 is a schematic view of a second flange structure according to the present invention;
FIG. 4 is a schematic cross-sectional view of a first flange structure according to the present invention;
FIG. 5 is a schematic cross-sectional view of a filter assembly according to the present invention;
FIG. 6 is a schematic view of a filter structure according to the present invention;
FIG. 7 is a schematic diagram of the alarm mechanism of the present invention;
FIG. 8 is a schematic view of a storage rack according to the present invention;
FIG. 9 is a schematic view of a cleaning mechanism according to the present invention;
FIG. 10 is a schematic view of the structure of the adjusting assembly of the present invention;
FIG. 11 is a schematic cross-sectional view of a pressure cell structure according to the present invention;
FIG. 12 is a schematic view of a spacing mechanism according to the present invention;
fig. 13 is an enlarged schematic view of the structure a in fig. 12 according to the present invention.
In the figure: 1. a valve body; 2. a first pipe; 3. a second pipe; 4. a flange plate assembly; 41. a first flange; 42. a second flange; 43. a communication hole; 44. a storage groove; 45. a pressing ring; 46. a seal ring; 47. a first spring; 48. correcting the groove; 49. a correction block; 5. a pressure gauge; 6. a filter assembly; 61. a filter box; 62. a filter sheet; 63. an alarm mechanism; 631. a sliding block; 632. a chute; 633. a pull ring; 634. a fixing seat; 635. a button; 636. a second spring; 637. an alarm; 638. a sealing plate; 64. a fixing mechanism; 641. a fixed block; 642. a fixing bolt; 643. a connecting plate; 65. a leakage-proof plate; 66. a cleaning mechanism; 661. a storage rack; 662. a brush holder; 663. brushing; 664. a connecting rod; 665. a third spring; 7. a decompression tube; 8. an adjustment assembly; 81. a pressure cell; 82. executing a slice; 83. a valve stem; 84. a valve core; 85. a seat cushion; 86. a fourth spring; 87. a limiting mechanism; 871. a bottom plate; 872. a column; 873. a limiting hole; 874. a connecting strip; 875. a lower pressing ring; 876. a sliding sleeve; 877. a limit rod; 878. a fixed sleeve; 879. a fifth spring; 8710. a buffer tube; 9. a valve cover.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, a self-operated pressure regulating valve comprises a valve body 1, a first pipeline 2 is arranged on one side of the valve body 1, a second pipeline 3 is arranged on one side of the valve body 1 away from the first pipeline 2, flange plate assemblies 4 are arranged on two sides of the valve body 1, the first pipeline 2 and the second pipeline 3 are sleeved with the valve body 1 through the flange plate assemblies 4, pressure gauges 5 are arranged on outer surfaces of the first pipeline 2 and the second pipeline 3, a filtering assembly 6 is arranged on the outer surface of the second pipeline 3, a decompression pipe 7 is sleeved on the upper surface of the filtering assembly 6, a regulating assembly 8 is arranged at the tail end of the decompression pipe 7 away from the filtering assembly 6, a valve cover 9 is fixedly arranged in an inner cavity of the valve body 1, the valve body 1 is used for regulating flow on two sides of the first pipeline 2 and the second pipeline 3, the flange plate assemblies 4 are used for connecting the valve body 1, the first pipeline 2 and the second pipeline 3, the pressure gauges 5 are used for measuring the pressure of the first pipeline 2 and the second pipeline 3, the filtering assembly 6 is used for preventing blocking, an alarm is timely sent when the blocking is encountered, cleaning inside is carried out, the decompression pipe 7 is far from being transferred, and the decompression pipe 7 is used for being matched with the regulating the valve cover 8 on two sides of the valve body 8, and the regulating assembly 8 is matched with the valve cover 8.
Referring to fig. 5 and 6, the filter assembly 6 includes a filter box 61, a filter plate 62 is slidingly connected to a top end inner cavity of the filter box 61, an alarm mechanism 63 is disposed on one side of the filter box 61, a fixing mechanism 64 is disposed on one side of the filter box 61 far away from the alarm mechanism 63, a leakage-proof plate 65 is slidingly connected to a bottom side of the filter box 61, the leakage-proof plate 65 is slidingly connected to the second pipe 3, a cleaning mechanism 66 is disposed in an inner cavity of the filter box 61, liquid in the second pipe 3 flows into the pressure removing pipe 7 through the filter box 61, the filter plate 62 can filter the liquid flowing through the pressure removing pipe 7 to prevent the pressure removing pipe 7 from being blocked, the alarm mechanism 63 can give an alarm when the filter plate 62 is blocked, and meanwhile, the cleaning mechanism 66 is driven to clean the filter plate 62, the fixing mechanism 64 can replace the filter plate 62, and the leakage-proof plate 65 is slidingly connected to the filter box 61 to prevent the liquid in the second pipe 3 from flowing out.
Referring to fig. 2, fig. 3 and fig. 4, the flange plate assembly 4 comprises a first flange 41, a second flange 42 is arranged on one side of the first flange 41, communication holes 43 are formed in the outer surfaces of the first flange 41 and the second flange 42, a containing groove 44 is formed in the outer surfaces of the first flange 41 and the second flange 42, an inner cavity of the containing groove 44 is connected with an extrusion ring 45 in a sliding mode, a sealing ring 46 is fixedly connected to one side of the extrusion ring 45, a first spring 47 is arranged on one side, far away from the sealing ring 46, of the extrusion ring 45, the first spring 47 is fixedly connected with an inner cavity of the containing groove 44, a correction groove 48 is formed in the outer surface of the first flange 41, a correction block 49 is fixedly arranged on the outer surface of the second flange 42, the first flange 41 and the second flange 42 are fixedly connected through bolts and nuts, the correction groove 48 is clamped with the correction block 49, the communication holes 43 on the first flange 41 and the second flange 42 are communicated and aligned when the correction groove 48 is clamped with the communication holes 43 on the second flange 42, the first flange 41 and the second flange 42 are aligned through clamping the correction groove 48 and the correction block 49, and then the first flange 41 and the second flange 42 are connected with the first flange 2 through the first flange and the second flange 42 in a sealing ring 1, and the second flange 2, and the first flange is better in sealing body 2 is connected with the first flange and the second flange 42 through the first flange and the second flange and the flange 4.
Referring to fig. 7 and 9, the alarm mechanism 63 includes a sliding block 631, a chute 632 is formed on an outer surface of the sliding block 631, a pull ring 633 is fixedly mounted on one side of the sliding block 631 away from the filter box 61, a fixing seat 634 is fixedly mounted on an upper surface of the filter box 61, a button 635 is disposed on a lower surface of the fixing seat 634, a second spring 636 is fixedly connected to a lower surface of the fixing seat 634, an alarm 637 is disposed on an upper surface of the fixing seat 634, a sealing plate 638 is fixedly mounted on an upper surface of the sliding block 631, the button 635 controls the alarm 637 to work, a bottom end of the second spring 636 is fixedly connected with the sliding block 631, the sliding block 631 is in sliding connection with the filter box 61, the sealing plate 638 is tightly attached to the sliding block 631, and the sealing plate 638 is located above the chute 632, when a blockage occurs in the filter disc 62, liquid in the second pipeline 3 is difficult to flow into the pressure removing pipe 7, so that the pressure inside the filter box 61 is increased, at this time, the sliding block 631 is pressed by the pressure of the liquid in the filter box 61 toward the second spring 636, the sliding block 631, the alarm is made to slide in the filter box 61 until the pressing of the button 635 makes the alarm 637 send an alarm, and a worker to perform maintenance.
Referring to fig. 7, 8 and 9, the fixing mechanism 64 includes a fixing block 641, the fixing block 641 is fixedly connected with the filter cartridge 61, a fixing bolt 642 is provided in an inner cavity of the fixing block 641, a connecting plate 643 is slidably connected in an inner cavity of the filter cartridge 61, the fixing block 641 and the connecting plate 643 are fixedly connected through the fixing bolt 642, the connecting plate 643 is fixedly connected with the filter sheet 62, the cleaning mechanism 66 includes a storage frame 661, the storage frame 661 is fixedly connected with the filter cartridge 61, the storage frame 661 is slidably connected with the filter sheet 62, a brush holder 662 is slidably connected in an inner cavity of the storage frame 661, bristles 663 are provided on one side of the brush holder 662 close to the filter sheet 62, a connecting rod 664 is fixedly connected on one side of the brush holder 662, the connecting rod 664 is slidably connected in an inner cavity of the storage frame 661, one end of the connecting rod is slidably connected with the chute 632, a third spring 665 is fixedly connected on one side of the brush holder 662, the end of the third spring 665 far away from the brush holder 662 is fixedly connected with the filter box 61, in the sliding process of the sliding block 631, the elastic force of the third spring 665 enables the connecting rod 664 to slide on the chute 632, namely, the third spring 665 pushes the brush holder 662 to move, at the moment, the bristles 663 clean the filter disc 62, so as to ensure the cleaning of the outer surface of the filter disc 62, the liquid in the second pipeline 3 can circulate with the decompression tube 7, the staff can pull the pull ring 633 back and forth to drive the sliding block 631 to move up and down, at the moment, the sliding block 631 drives the connecting rod 664 to move, so that the bristles 663 can repeatedly clean the outer surface of the filter disc 62, the fluxion of the liquid in the decompression tube 7 is ensured, when the filter disc 62 needs to be replaced, the fixing bolt 642 is loosened, the fixing block 641 and the connecting plate 643 are separated from the inner cavity of the filter box 61, the connecting plate 643 is fixedly connected with the filter disc 62, at this time, the filter sheet 62 and the connection plate 643 are replaced, and after the replacement, the connection plate 643 is fixed by the fixing bolt 642, and the leakage-proof plate 65 is inserted into the inner cavity of the filter box 61 during the replacement of the filter sheet 62, so that the liquid in the second pipeline 3 is prevented from being ejected into the filter box 61.
Referring to fig. 10 and 11, the adjusting component 8 includes a pressure box 81, an execution sheet 82 is disposed in the middle of an inner cavity of the pressure box 81, a valve rod 83 is fixedly connected to a bottom layer of the execution sheet 82, a valve core 84 is fixedly connected to a bottom end of the valve rod 83, a seat cushion 85 is sleeved on an outer surface of the valve rod 83, a fourth spring 86 is sleeved on an outer surface of the valve rod 83, two seat cushions 85 are provided, the fourth spring 86 is located between the two seat cushions 85, a limiting mechanism 87 is sleeved on an outer surface of the valve rod 83, liquid in the decompression tube 7 flows into the pressure box 81 and the execution sheet 82 so that the execution sheet 82 extrudes the valve rod 83, the seat cushion 85 is compressed at the moment, the valve rod 83 drives the valve core 84 to be attached to a valve cover 9, and thus the flow rate of the liquid in the first pipeline 2 flowing through the valve body 1 to the second pipeline 3 is changed, and the pressure adjusting function is achieved.
Referring to fig. 11, 12 and 13, the limiting mechanism 87 includes a bottom plate 871, two ends of the bottom plate 871 are fixedly provided with a column 872, an outer surface of the column 872 is provided with a limiting hole 873, an outer surface of the column 872 is slidably connected with a connecting bar 874, a lower surface of the connecting bar 874 is fixedly provided with a lower pressing ring 875, an outer surface of the column 872 is slidably connected with a sliding sleeve 876, a limiting rod 877 is inserted into a bottom end of the sliding sleeve 876, one end of the limiting rod 877 is sleeved with a fixing sleeve 878, an outer surface of the limiting rod 877 is sleeved with a fifth spring 879, an upper end of the sliding sleeve 876 is fixedly provided with a buffering cylinder 8710, the limiting hole 873 is clamped with the limiting rod 877, the fifth spring 879 is positioned between the fixing sleeve 878 and the sliding sleeve 876, an inner cavity of the buffering cylinder 8710 is provided with a sixth spring, the lower 875 is sleeved with an inner cavity of the buffering cylinder 8710, a middle part of the connecting bar 874 passes through a valve rod 83, the valve rod 83 is fixedly connected with a seat cushion 85 at the upper end, the valve rod 83 and the seat cushion 85 at the lower end are connected in a sliding way, the connecting strip 874 is inserted into the valve rod 83, the two ends of the connecting strip 874 are connected with the upright posts 872 in a sliding way, at the moment, the valve rod 83 can be prevented from being offset in the pressing down process, the problem of liquid leakage caused by the misalignment of the valve core 84 and the valve cover 9 in the pressing down process can be avoided, the limiting rod 877 is pulled to compress the fifth spring 879, at the moment, the limiting rod 877 and the limiting hole 873 are disengaged, the position of the sliding sleeve 876 on the upright posts 872 is adjusted, the position of the buffer tube 8710 is changed, the pressing down ring 875 can be opposite to the inner cavity of the buffer tube 8710 in the pressing down process, at the moment, the buffer tube 8710 can be buffered to a certain extent under the action of the sixth spring, the valve core 84 is prevented from being too high in the pressing down process, the valve core 84 and the valve cover 9 are prevented from being damaged, the service life of the pressure regulating valve is prolonged, the buffering force of the sixth spring to the lower pressing ring 875 is controlled by adjusting the position of the buffering barrel 8710, so that the valve core 84 can be attached to the valve cover 9, and the flow rate of liquid is controlled.
To sum up: the correction groove 48 is clamped with the correction block 49 to align the communication holes 43 on the first flange 41 and the second flange 42, the first flange 41 and the second flange 42 are fixedly connected through bolts and nuts, the first flange 41 and the second flange 42 are sleeved to enable the valve body 1, the first pipeline 2 and the second pipeline 3 to be communicated, when the first flange 41 and the second flange 42 are close to each other, the sealing rings 46 on the first flange 41 and the second flange 42 are mutually extruded under the action of the first spring 47, so that the tightness of the first flange 41 and the second flange 42 is better, and liquid leakage at the joint of the valve body 1, the first pipeline 2 and the second pipeline 3 is prevented; when the pressure of the second pipeline 3 increases, the liquid flows into the pressure removing pipe 7 for adjustment, the liquid is accompanied with impurities, the pressure removing pipe 7 is relatively thin and easy to be blocked, the filter disc 62 is arranged at the inlet of the pressure removing pipe 7 to prevent the pressure removing pipe 7 from being blocked, when the filter disc 62 is blocked, the liquid in the second pipeline 3 is difficult to flow into the pressure removing pipe 7, so that the pressure in the filter box 61 increases, at the moment, the second spring 636 is compressed to enable the sliding block 631 to slide in the filter box 61 until the push button 635 is pressed to enable the alarm 637 to give an alarm to remind a worker to maintain; the third spring 665 pushes the brush holder 662 to move in the sliding process of the sliding block 631, at this time, the bristles 663 clean the filter disc 62, so that the cleaning of the outer surface of the filter disc 62 is ensured, the liquid in the second pipeline 3 can flow with the decompression tube 7, a worker can also pull the pull ring 633 back and forth to drive the sliding block 631 to move up and down, at this time, the sliding block 631 drives the connecting rod 664 to move, so that the bristles 663 can repeatedly clean the outer surface of the filter disc 62, the fixing mechanism 64 can replace the filter disc 62, and the leakage-proof plate 65 is pumped into the filter box 61 when the filter disc 62 is replaced, so that the liquid is prevented from flowing out at will; the liquid in the decompression pipe 7 flows into the pressure box 81 and the execution piece 82 to enable the execution piece 82 to squeeze the valve rod 83, and at the moment, the valve rod 83 drives the valve core 84 to be attached to the valve cover 9, so that the flow rate of the liquid flowing through the valve body 1 from the first pipeline 2 to the second pipeline 3 is changed to play a role in pressure regulation, the limiting mechanism 87 can enable the valve rod 83 not to deviate in the process of pressing down, and the problem of liquid leakage caused by the fact that the valve core 84 and the valve cover 9 are not aligned due to long-time working is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a self-operated pressure regulating valve, includes valve body (1), its characterized in that: one side of valve body (1) is provided with first pipeline (2), one side that first pipeline (2) was kept away from to valve body (1) is provided with second pipeline (3), both sides of valve body (1) all are provided with ring flange subassembly (4), and first pipeline (2) and second pipeline (3) all cup joint with valve body (1) through ring flange subassembly (4), the surface of first pipeline (2) and second pipeline (3) all is provided with manometer (5), the surface of second pipeline (3) is provided with filter unit (6), the upper surface of filter unit (6) has cup jointed and has been removed pressure tube (7), the end that filter unit (6) were kept away from to pressure tube (7) is provided with adjusting part (8), the inner chamber fixed mounting of valve body (1) has valve gap (9).
The filter assembly (6) comprises a filter box (61), a filter plate (62) is slidably connected to the inner cavity of the top end of the filter box (61), an alarm mechanism (63) is arranged on one side of the filter box (61), a fixing mechanism (64) is arranged on one side, far away from the alarm mechanism (63), of the filter box (61), a leakage-proof plate (65) is slidably connected to the bottom side of the filter box (61), the leakage-proof plate (65) is slidably connected with the second pipeline (3), and a cleaning mechanism (66) is arranged in the inner cavity of the filter box (61);
the alarm mechanism (63) comprises a sliding block (631), a chute (632) is formed in the outer surface of the sliding block (631), a pull ring (633) is fixedly arranged on one side, far away from the filter box (61), of the sliding block (631), a fixing seat (634) is fixedly arranged on the upper surface of the filter box (61), a button (635) is arranged on the lower surface of the fixing seat (634), a second spring (636) is fixedly connected with the lower surface of the fixing seat (634), an alarm (637) is arranged on the upper surface of the fixing seat (634), and a sealing plate (638) is fixedly arranged on the upper surface of the sliding block (631);
the button (635) controls the alarm (637) to work, the bottom end of the second spring (636) is fixedly connected with the sliding block (631), the sliding block (631) is in sliding connection with the filter box (61), the sealing plate (638) is tightly attached to the sliding block (631), and the sealing plate (638) is positioned above the chute (632);
the cleaning mechanism (66) comprises a storage rack (661), the storage rack (661) is fixedly connected with the filter box (61), the storage rack (661) is in sliding connection with the filter plate (62), a brush holder (662) is slidably connected to an inner cavity of the storage rack (661), bristles (663) are arranged on one side, close to the filter plate (62), of the brush holder (662), a connecting rod (664) is fixedly connected to one side of the brush holder (662), the connecting rod (664) is slidably connected in the inner cavity of the storage rack (661), one end of the connecting rod (664) is in sliding connection with the chute (632), a third spring (665) is fixedly connected to one side of the brush holder (662), and one end, far away from the brush holder (662), of the third spring (665) is fixedly connected with the filter box (61).
The adjusting component (8) comprises a pressure box (81), an execution sheet (82) is arranged in the middle of an inner cavity of the pressure box (81), a valve rod (83) is fixedly connected to the bottom layer of the execution sheet (82), a valve core (84) is fixedly connected to the bottom end of the valve rod (83), a seat cushion (85) is sleeved on the outer surface of the valve rod (83), a fourth spring (86) is sleeved on the outer surface of the valve rod (83), two seat cushions (85) are arranged, the fourth spring (86) is located between the two seat cushions (85), and a limiting mechanism (87) is sleeved on the outer surface of the valve rod (83);
the utility model provides a stop gear (87) includes bottom plate (871), the both ends fixed mounting of bottom plate (871) have stand (872), spacing hole (873) have been seted up to the surface of stand (872), the surface sliding connection of stand (872) has connecting strip (874), the lower surface fixed mounting of connecting strip (874) has lower clamping ring (875), the surface sliding connection of stand (872) has sliding sleeve (876), the bottom of sliding sleeve (876) is inserted and is equipped with gag lever post (877), fixed sleeve (878) have been cup jointed to the one end of gag lever post (877), the surface of gag lever post (877) has cup jointed fifth spring (879), the upper end fixed mounting of sliding sleeve (876) has buffer tube (8710), spacing hole (873) and gag lever post (877) block, fifth spring (879) are located between fixed sleeve (878) and sliding sleeve (876), buffer tube (8710) inner chamber is provided with fixed sleeve (878), the inner chamber (879) has cup jointed down of connecting rod (875), the valve rod (83) is passed down at the fixed position of connecting rod (83).
2. A self-contained pressure regulating valve as defined in claim 1, wherein: the flange plate assembly (4) comprises a first flange (41), one side of the first flange (41) is provided with a second flange (42), communication holes (43) are formed in the outer surfaces of the first flange (41) and the second flange (42), containing grooves (44) are formed in the outer surfaces of the first flange (41) and the second flange (42), an inner cavity of the containing grooves (44) is slidably connected with an extrusion ring (45), one side of the extrusion ring (45) is fixedly connected with a sealing ring (46), one side of the extrusion ring (45) away from the sealing ring (46) is provided with a first spring (47), the first spring (47) is fixedly connected with the inner cavity of the containing grooves (44), correction grooves (48) are formed in the outer surfaces of the first flange (41), and correction blocks (49) are fixedly arranged on the outer surfaces of the second flange (42).
3. A self-contained pressure regulating valve as defined in claim 2, wherein: the first flange (41) and the second flange (42) are fixedly connected through bolts and nuts, the correction groove (48) is clamped with the correction block (49), and when the correction groove (48) is clamped with the correction block (49), the communication hole (43) on the first flange (41) is communicated with the communication hole (43) on the second flange (42) to be aligned.
4. A self-contained pressure regulating valve as claimed in claim 3, wherein: the fixing mechanism (64) comprises a fixing block (641), the fixing block (641) is fixedly connected with the filter box (61), a fixing bolt (642) is arranged in an inner cavity of the fixing block (641), a connecting plate (643) is slidably connected in an inner cavity of the filter box (61), the fixing block (641) is fixedly connected with the connecting plate (643) through the fixing bolt (642), and the connecting plate (643) is fixedly connected with the filter plate (62).
5. A method of using a self-contained pressure regulator valve, performed by a self-contained pressure regulator valve of claim 4, comprising the steps of:
s1, through the clamping of a correction groove (48) and a correction block (49), a communication hole (43) on a first flange (41) and a second flange (42) are aligned, the first flange (41) and the second flange (42) are fixedly sleeved through bolts and nuts, the first flange (41) and the second flange (42) are sleeved and connected with each other to enable a valve body (1), a first pipeline (2) and a second pipeline (3), when the first flange (41) and the second flange (42) are close to each other, a sealing ring (46) on the first flange (41) and the second flange (42) are mutually extruded under the action of a first spring (47), so that the sealing performance of the first flange (41) and the second flange (42) is better, and liquid leakage at the joint of the valve body (1), the first pipeline (2) and the second pipeline (3) is prevented;
s2, when the pressure at the second pipeline (3) is increased, liquid flows into the pressure removing pipe (7) to be regulated, the liquid is accompanied with impurities, the pressure removing pipe (7) is relatively thin and easy to be blocked, a filter disc (62) is arranged at the inlet of the pressure removing pipe (7) to prevent the pressure removing pipe (7) from being blocked, when the filter disc (62) is blocked, the liquid in the second pipeline (3) is difficult to flow into the pressure removing pipe (7), so that the pressure in the filter box (61) is increased, at the moment, the second spring (636) is compressed to enable the sliding block (631) to slide in the filter box (61) until the push button (635) is pressed to enable the alarm (637) to give an alarm to remind workers to maintain;
s3, a third spring (665) pushes a brush holder (662) to move in the sliding process of a sliding block (631), at the moment, bristles (663) clean a filter plate (62), so that the cleaning of the outer surface of the filter plate (62) is ensured, liquid in a second pipeline (3) can flow with a decompression pipe (7), a worker can also drive the sliding block (631) to move up and down by pulling a pull ring (633) back and forth, at the moment, the sliding block (631) drives a connecting rod (664) to move, so that the bristles (663) can clean the outer surface of the filter plate (62) repeatedly, a fixing mechanism (64) can replace the filter plate (62), and a leakage-proof plate (65) is pumped into the filter box (61) to prevent the liquid from flowing out randomly when the filter plate (62) is replaced;
s4, the liquid in the decompression pipe (7) flows into the pressure box (81) and the execution piece (82) to enable the execution piece (82) to squeeze the valve rod (83), at the moment, the valve rod (83) drives the valve core (84) to be attached to the valve cover (9), so that the liquid flow rate of the first pipeline (2) flowing through the valve body (1) to the second pipeline (3) is changed, the pressure regulation function is achieved, the limiting mechanism (87) can enable the valve rod (83) not to deviate in the pressing process, and the problem of liquid leakage caused by the fact that the valve core (84) and the valve cover (9) are not aligned in position due to long-time work is avoided.
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| CN202310141171.5A CN115929961B (en) | 2023-02-21 | 2023-02-21 | Self-operated pressure regulating valve and use method thereof |
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| CN202310141171.5A CN115929961B (en) | 2023-02-21 | 2023-02-21 | Self-operated pressure regulating valve and use method thereof |
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