CN115962327A - Composite pressure reducing valve - Google Patents

Abstract

The invention relates to the technical field of composite pressure reducing valves, and discloses a composite pressure reducing valve which comprises a composite pressure reducing valve body, wherein a control mechanism is arranged on the surface of the composite pressure reducing valve body, a buffer mechanism is arranged on the outer side of the composite pressure reducing valve body, a water supply pipeline is provided with a brushing mechanism, when pressure abnormality occurs in the pipeline, an inductor gives a prompt to a first alarm through a controller, the whole device can quickly close the pipeline and give an alarm when the pressure of liquid is detected, when the composite pressure reducing valve is used, the composite pressure reducing valve body is opened, the liquid can pass through and abut against a piston, when the liquid flow is reduced, the thrust force borne by the piston is reduced, the piston is pushed to move downwards by the pushing of a spring, the piston moves downwards and contacts a control button, and at the moment, a second alarm sounds in daily maintenance, the set filter plate needs to be cleaned and replaced regularly, and the problem that the filter plate cannot be cleaned and replaced for a long time is solved.

Description

A compound pressure reducing valve

technical field

The invention relates to the technical field of composite pressure reducing valves, in particular to a composite pressure reducing valve.

Background technique

The pressure reducing valve is a valve that reduces the inlet pressure to a certain required outlet pressure through adjustment, and relies on the energy of the medium itself to keep the outlet pressure automatically stable. From the perspective of fluid mechanics, the pressure reducing valve is a local resistance that can The variable throttling element, that is, by changing the throttling area, the flow velocity and the kinetic energy of the fluid are changed, resulting in different pressure losses, so as to achieve the purpose of decompression.

A compound multi-purpose pressure reducing valve is published on the existing Chinese patent network, and the authorized public number is CN21352760U. Compared with the prior art, the present invention provides a compound multi-purpose pressure reducing valve, which has the following beneficial effects:

(1) In this composite multi-purpose pressure reducing valve, when the pressure reducing valve body is working, the water supply end will enter the filter box before the valve through the connecting pipe. The water in the pressure reducing valve body is filtered, the impurities and particles in the water can be effectively filtered, and the problem of damage caused by the impurity process in the pressure reducing valve body can be effectively prevented;

(2) In this kind of composite multi-purpose pressure reducing valve, the rotation of the threaded rod can drive the movable rod to move upwards, and the movement of the movable rod can drive the sliding column to move, and the sliding column can drive the adjustment block to move under the action of the inclined sliding hole. After the block moves, it can drive the clamping rod to move, and when one end of the clamping rod breaks away from the clamping groove, the filter plate can be easily taken out from the filter plate hole for cleaning.

However, when the pressure reducing valve body of this kind of compound multi-purpose pressure reducing valve is working, the water supply end will enter the filter box before the valve through the connecting pipe, and the impurities and particles in the water can be effectively filtered, effectively preventing the pressure reducing valve from The main body is damaged due to the process of impurities. When the pressure in the pressure reducing valve is detected to be abnormal, the valve cannot be closed quickly to protect the pipeline. Based on the above problems, a composite pressure reducing valve is proposed.

Contents of the invention

The object of the present invention is to provide a compound pressure reducing valve, which solves the problems mentioned in the above-mentioned background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a composite pressure reducing valve, comprising a composite pressure reducing valve body, the surface of the composite pressure reducing valve body is provided with a control mechanism;

The control mechanism includes a water supply pipeline and a rotating plate, the surface of the rotating plate is fixedly connected with a connecting rod, the outer wall of the connecting rod is fixedly connected with a spur gear, the water supply pipeline is fixedly connected with a control box, and the control box is fixedly connected with a A cylinder, the cylinder is fixedly connected with a connecting plate, the connecting plate is fixedly connected with a rack, the surface of the water supply pipeline is fixedly installed with a controller, the outer wall of the water supply pipeline is provided with a connecting rod passing through a through hole, and the through hole The inner wall is fixedly connected with a gasket, and the surface of the water supply pipeline is fixedly installed with a first alarm;

A buffer mechanism is provided outside the body of the composite pressure reducing valve;

The water supply pipeline is provided with a cleaning mechanism.

Preferably, limit holes are provided on both sides of the control box, the inner wall of the limit hole is slidingly connected with a positioning rod, the left end of the positioning rod is fixedly connected with a baffle, and the rack is fixedly connected to the front section of the positioning rod. An alarm sends out an alarm, and controls the cylinder to start, the cylinder drives the connecting plate to move, the connecting plate drives the rack to move, the rack drives the spur gear to rotate, the spur gear drives the connecting rod to rotate, the connecting rod drives the rotating plate to rotate, and the rotating plate drives the seal The circle rotates so that the rotating plate can block the water supply pipe.

Preferably, the buffer mechanism includes a buffer pipe, the buffer pipe is connected to the water supply pipe, the surface of the buffer pipe is slidably connected to a piston, the piston is fixedly connected to a movable rod, and the buffer pipe is fixedly connected to the piston with a spring , when in use, open the compound pressure reducing valve body, the liquid can pass through, and can resist the piston, so that the piston can be pushed upwards, at this time, the power supply of the first alarm, the sensor and the second alarm is turned on through the controller, When the liquid flow rate decreases, the thrust on the piston decreases. At this time, the push of the spring pushes the piston to move downward, and the piston moves downward. The piston contacts the control button. At this time, the second alarm sounds, which can prompt the staff to take care of the compound. Check the body of the pressure reducing valve and the water supply pipe.

Preferably, a through hole is opened on the surface of the buffer pipe, and the movable rod is slidably connected to the through hole.

Preferably, a support plate is fixedly connected to the surface of the buffer pipe, a control button is fixedly connected to the surface of the support plate, a second alarm is fixedly installed on the buffer pipe, and a sensor is fixedly installed on the inner wall of the buffer pipe.

Preferably, the cleaning mechanism includes a sieve plate, the limit hole opened in the center of the sieve plate is rotatably connected with a threaded rotating rod, the outer wall of the threaded rotating rod is screwed with a threaded disc, and the top end of the threaded rotating rod is screwed. Connected to the limiting rectangular block, the outer wall of the limiting opening opened on the outer wall of the water supply pipe is fixedly connected to the limiting block, and the threaded disc is provided with a limiting opening.

Preferably, the sieve plate is clamped to the slot provided on the inner wall of the water supply pipeline, and the width of the sieve plate is smaller than the width of the limit opening. In daily maintenance, the set filter plate needs to be cleaned and replaced regularly. The screw-connected limiting rectangular block separates the limiting rectangular block from the threaded rotating rod, so that the sieve plate falls from the limiting opening opened by the threaded disc for cleaning and replacement.

Preferably, a sealing ring is fixedly connected to the surface of the rotating plate, and the sealing ring is connected to the water supply pipe. When the spur gear drives the connecting rod to rotate, the connecting rod drives the rotating plate to rotate, and the rotating plate drives the sealing ring to rotate so that the rotating plate can block The water supply pipeline, and the sealing ring provided can prevent the liquid from continuing to flow, and the whole device can quickly close the pipeline when the pressure of the liquid is detected.

The invention provides a composite decompression valve. The composite pressure reducing valve has the following beneficial effects:

1. The composite decompression valve passes through the set control mechanism. When the pipeline pressure is abnormal, the sensor sends a prompt to the first alarm through the controller. At this time, the first alarm sends out an alarm, and controls the start of the control cylinder. The spur gear rotates, the spur gear drives the connecting rod to rotate, the connecting rod drives the rotating plate to rotate, and the rotating plate drives the sealing ring to rotate so that the rotating plate can block the water supply pipe, and the sealing ring can prevent the liquid from continuing to flow. When the liquid is under pressure, the pipeline can be closed quickly and an alarm is issued.

2. The composite pressure reducing valve is equipped with a buffer mechanism. When in use, the composite pressure reducing valve body is opened, and the liquid can pass through and resist the piston, so that the piston can be pushed to move upwards. At this time, the first alarm is turned on through the controller. The power supply of the sensor, sensor and second alarm, when the liquid flow rate decreases, the thrust on the piston decreases, and the push of the spring pushes the piston down, the piston moves down, and the piston contacts the control button, at this time A second siren sounds.

3. The compound pressure reducing valve needs to clean and replace the set filter plate regularly through the set cleaning mechanism in daily maintenance. By rotating the screwed limiting rectangular block, the limiting rectangular block and the threaded rotating rod Separation, so that the sieve plate falls from the limit opening opened by the threaded disc for cleaning and replacement, and can filter the water entering the compound pressure reducing valve body, and effectively filter the impurities and particles in the water, solving the problem of The sieve plate cannot be cleaned and replaced for a long time.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic cross-sectional view of the structure of the present invention;

Fig. 3 is a partial schematic view of the structure of the present invention;

Fig. 4 is the enlarged schematic diagram of place A in structure Fig. 2 of the present invention;

Fig. 5 is a bottom view of the structure of the present invention.

In the figure: 1. Composite pressure reducing valve body 2. Control mechanism 201. Water supply pipe 202. Rotating plate 203. Connecting rod 204. Spur gear 205. Control box 206. Cylinder 207. Connecting plate 208. Rack 209. Controller 210 Gasket 211. First alarm 3. Positioning rod 4. Baffle plate 5. Buffer mechanism 501. Piston 502. Moving rod 503. Spring 504. Support plate 505. Control button 506. Second alarm 507. Sensor 508 .Buffer pipeline 6.Sealing ring 701.Filter plate 702.Threaded rotating rod 703.Limiting rectangular block 704.Threaded disc 705.Limiting block 706.Limiting port.

Detailed ways

As shown in Figures 1-5, the present invention provides a technical solution: a composite pressure reducing valve, including a composite pressure reducing valve body 1, the surface of the composite pressure reducing valve body 1 is provided with a control mechanism 2, and the control mechanism 2 includes a water supply pipeline 201 and the rotating plate 202, the surface of the rotating plate 202 is fixedly connected with the connecting rod 203, the outer wall of the connecting rod 203 is fixedly connected with the spur gear 204, the water supply pipeline 201 is fixedly connected with the control box 205, and the control box 205 is fixedly connected with the cylinder 206, and the cylinder 206 is fixed A connecting plate 207 is connected, and the connecting plate 207 is fixedly connected with a rack 208. The surface of the water supply pipe 201 is fixedly installed with a controller 209. The outer wall of the water supply pipe 201 is provided with a connecting rod 203 passing through the through hole, and the inner wall of the through hole is fixedly connected with a gasket 210. , the surface of the water supply pipe 201 is fixedly installed with the first alarm 211, the two sides of the control box 205 are provided with limited holes, the inner wall of the limited hole is slidably connected with a positioning rod 3, the left end of the positioning rod 3 is fixedly connected with a baffle plate 4, and the rack 208 is fixed. Connected to the front section of positioning rod 3, when the first alarm 211 sends an alarm, and the control cylinder 206 starts, the cylinder 206 drives the connecting plate 207 to move, the connecting plate 207 drives the rack 208 to move, and the rack 208 drives the spur gear 204 to rotate, straight The gear 204 drives the connecting rod 203 to rotate, the connecting rod 203 drives the rotating plate 202 to rotate, the rotating plate 202 drives the sealing ring 6 to rotate so that the rotating plate 202 can block the water supply pipeline 201, and the surface of the rotating plate 202 is fixedly connected with the sealing ring 6, the sealing ring 6 The contact is connected to the water supply pipeline 201. When the spur gear 204 drives the connecting rod 203 to rotate, the connecting rod 203 drives the rotating plate 202 to rotate, and the rotating plate 202 drives the sealing ring 6 to rotate so that the rotating plate 202 can block the water supply pipeline 201, and the sealing ring 6 provided It can prevent the liquid from continuing to flow, and the whole device can quickly close the pipeline when the pressure of the liquid is detected. A buffer mechanism 5 is arranged outside the composite pressure reducing valve body 1, and the buffer mechanism 5 includes a buffer pipeline 508, which is connected to a water supply pipeline 201 Connected setting, the buffer pipe 508 surface is slidingly connected with the piston 501, the piston 501 is fixedly connected with the movable rod 502, the buffer pipe 508 and the piston 501 are fixedly connected with the spring 503, when in use, open the compound pressure reducing valve body 1, the liquid can pass through, And can resist the piston 501, so that the piston 501 can be pushed to move upwards. At this time, the power supply of the first alarm 211, the sensor 507 and the second alarm 506 is turned on by the controller 209. When the liquid flow rate decreases, the piston 501 is affected. Thrust force decreases, and now the spring 503 pushes away the piston 501 to move downward, and the piston 501 is in contact with the control button 505. At this time, the second alarm 506 sounds, which can prompt the staff to check the compound pressure reducing valve. The main body 1 and the water supply pipeline 201 are inspected. A through hole is opened on the surface of the buffer pipeline 508, and the movable rod 502 is slidably connected to the through hole. The pipeline 508 is fixedly equipped with a second alarm 506, the inner wall of the buffer pipeline 508 is fixedly equipped with an inductor 507, and the water supply pipeline 201 is provided with a cleaning mechanism 7, and the cleaning mechanism 7 includes a sieve plate 701, and the limit opening at the center of the sieve plate 701 The bit hole is rotatably connected with a threaded rotating rod 702, the outer wall of the threaded rotating rod 702 is screwed with a threaded disc 704, the top of the threaded rotating rod 702 is screwed with a limited rectangular block 703, and the outer wall of the limiting port opened on the outer wall of the water supply pipeline 201 is fixedly connected with a limited position block 705, the threaded disc 704 is provided with a limit opening 706, and the sieve plate 701 is clamped at the draw-in groove provided on the inner wall of the water supply pipe 201, and the width of the sieve plate 701 is smaller than the width of the limit opening 706. In daily maintenance, it is necessary to The set filter plate 701 is regularly cleaned and replaced. By rotating the screw-connected limiting rectangular block 703, the limiting rectangular block 703 is separated from the threaded rotating rod 702, so that the sieve plate 701 is separated from the limiting opening opened by the threaded disc 704. 706 place falls, cleans and replaces.

When the composite pressure reducing valve is in use, the body 1 of the composite pressure reducing valve is opened, and the liquid can pass through and resist the piston 501, so that the piston 501 can be pushed to move upwards. At this time, the controller 209 opens the first alarm 211, The power supply of the sensor 507 and the second alarm 506, when the liquid flow rate decreases, the thrust received by the piston 501 decreases, at this time, the pushing away of the spring 503 pushes the piston 501 to move downward, and the piston 501 moves downward, and the piston 501 and the control When the button 505 is touched, the second alarm 506 sounds, which can prompt the staff to check the compound pressure reducing valve body 1 and the water supply pipeline 201. When the pipeline has abnormal pressure, the sensor 507 will alarm the first alarm through the controller 209. 211 sends a prompt, and now the first siren 211 sends an alarm, and the control cylinder 206 starts, the cylinder 206 drives the connecting plate 207 to move, the connecting plate 207 drives the rack 208 to move, the rack 208 drives the spur gear 204 to rotate, and the spur gear 204 Drive the connecting rod 203 to rotate, the connecting rod 203 drives the rotating plate 202 to rotate, the rotating plate 202 drives the sealing ring 6 to rotate so that the rotating plate 202 can block the water supply pipeline 201, and the sealing ring 6 provided can prevent the liquid from continuing to flow, and the whole device reaches When the pressure of the liquid is detected, the pipeline can be quickly closed and an alarm will be issued. In daily maintenance, the set filter plate 701 needs to be cleaned and replaced regularly. By rotating the screw-connected limiting rectangular block 703, the limiting rectangular block 703 is separated from the threaded rotary rod 702, so that the sieve plate 701 falls from the limit port 706 provided by the threaded disc 704 for cleaning and replacement, and can filter the water entering the compound pressure reducing valve body 1, and the water in the water Impurities and particles can be effectively filtered, effectively preventing the damage caused by impurities in the body 1 of the composite pressure reducing valve.

Claims (8)

1. A composite pressure reducing valve, comprising a composite pressure reducing valve body (1), characterized in that: the surface of the composite pressure reducing valve body (1) is provided with a control mechanism (2); The control mechanism (2) includes a water supply pipe (201) and a rotating plate (202), the surface of the rotating plate (202) is fixedly connected with a connecting rod (203), and the outer wall of the connecting rod (203) is fixedly connected with a spur gear (204), the water supply pipeline (201) is fixedly connected to a control box (205), the control box (205) is fixedly connected to a cylinder (206), and the cylinder (206) is fixedly connected to a connecting plate (207), The connecting plate (207) is fixedly connected with a rack (208), the surface of the water supply pipe (201) is fixedly installed with a controller (209), and the outer wall of the water supply pipe (201) is provided with a connecting rod (203) passing through A through hole, the inner wall of the through hole is fixedly connected with a gasket (210), and the surface of the water supply pipe (201) is fixedly installed with a first alarm (211); A buffer mechanism (5) is provided outside the compound pressure reducing valve body (1); The water supply pipeline (201) is provided with a cleaning mechanism (7). 2. A composite pressure reducing valve according to claim 1, characterized in that: two sides of the control box (205) are provided with limiting holes, the inner wall of the limiting hole is slidingly connected with a positioning rod (3), the A baffle (4) is fixedly connected to the left end of the positioning rod (3), and the rack (208) is fixedly connected to the front section of the positioning rod (3). 3. A compound pressure reducing valve according to claim 1, characterized in that: the buffer mechanism (5) includes a buffer pipe (508), and the buffer pipe (508) is arranged in communication with the water supply pipe (201), so The surface of the buffer pipe (508) is slidingly connected with a piston (501), the piston (501) is fixedly connected with a movable rod (502), and the buffer pipe (508) is fixedly connected with a spring (503) with the piston (501). 4. A compound pressure reducing valve according to claim 3, characterized in that: a through hole is opened on the surface of the buffer pipe (508), and the movable rod (502) is slidably connected to the through hole. 5. A compound pressure reducing valve according to claim 4, characterized in that: the surface of the buffer pipe (508) is fixedly connected with a support plate (504), and the surface of the support plate (504) is fixedly connected with a control button ( 505), the buffer pipe (508) is fixedly installed with a second alarm (506), and the inner wall of the buffer pipe (508) is fixedly installed with a sensor (507). 6. A composite pressure reducing valve according to claim 1, characterized in that: the cleaning mechanism (7) includes a sieve plate (701), and the limit hole opened in the center of the sieve plate (701) is rotatably connected There is a threaded rotating rod (702), the outer wall of the threaded rotating rod (702) is screwed with a threaded disc (704), the top of the threaded rotating rod (702) is screwed with a limited rectangular block (703), and the water supply pipe (201) The limiting opening opened on the outer wall is fixedly connected to the limiting block (705), and the threaded disc (704) is provided with a limiting opening (706). 7. A compound pressure reducing valve according to claim 6, characterized in that: the sieve plate (701) is clamped at the slot on the inner wall of the water supply pipe (201), and the width of the sieve plate (701) is less than The width of the limiting opening (706). 8. A compound pressure reducing valve according to claim 1, characterized in that: the surface of the rotating plate (202) is fixedly connected with a sealing ring (6), and the sealing ring (6) is connected to the water supply pipe (201 ).

Images