CN114562597A - Spring film type pressure reducing valve for cold and hot water pipe network - Google Patents

Spring film type pressure reducing valve for cold and hot water pipe network Download PDF

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Publication number
CN114562597A
CN114562597A CN202210118082.4A CN202210118082A CN114562597A CN 114562597 A CN114562597 A CN 114562597A CN 202210118082 A CN202210118082 A CN 202210118082A CN 114562597 A CN114562597 A CN 114562597A
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China
Prior art keywords
pipe
fixedly connected
valve body
water inlet
valve
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Granted
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CN202210118082.4A
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Chinese (zh)
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CN114562597B (en
Inventor
黄胜丰
王若辉
李平
杜明华
卢再望
吕智健
胡鹏程
陈安定
陈浩博
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Zhejiang Bertley Technology Co ltd
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Zhejiang Bertley Technology Co ltd
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Priority to CN202210118082.4A priority Critical patent/CN114562597B/en
Publication of CN114562597A publication Critical patent/CN114562597A/en
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Publication of CN114562597B publication Critical patent/CN114562597B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/16—Flanged joints characterised by the sealing means
    • F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • F16L55/02709—Throttle passages in the form of perforated plates
    • F16L55/02718—Throttle passages in the form of perforated plates placed transversely

Abstract

The invention discloses a spring film type pressure reducing valve for a cold and hot water pipe network, which comprises a valve body, wherein the back surface of the valve body is fixedly connected with a fixed frame, the left end of the inner cavity of the valve body is communicated with a water inlet pipe, the right end of the inner cavity of the valve body is communicated with a water outlet pipe, one ends of the water inlet pipe and the water outlet pipe, which are far away from the valve body, are fixedly connected with a connecting flange plate, a sealing mechanism is arranged, a small booster pump provides a high-pressure air source, and the sealing airbag ring can be expanded by high-pressure air through the matching of an annular sealing groove, a three-way joint, a threaded hose, a control valve and the sealing airbag ring, so that the sealing airbag ring is tightly attached to the connecting position of the connecting flange plate, the integral sealing effect between the water inlet pipe and the water outlet pipe and the water inlet connecting pipe and the water outlet connecting pipe is fully enhanced, and the gap leakage at the connecting position of the connecting flange plate caused by the overlarge water path pressure inside the water inlet pipe and the water outlet pipe and the water inlet connecting pipe and the water outlet connecting pipe is avoided, and unnecessary economic loss of a user is reduced.

Description

Spring film type pressure reducing valve for cold and hot water pipe network
Technical Field
The invention relates to the technical field of cold and hot water pipe networks, in particular to a spring film type pressure reducing valve for a cold and hot water pipe network.
Background
In hospitals, communities, nursing homes and other places, cold and hot water pipe networks are installed, and in order to conveniently manage and control the cold and hot water pipe networks, a spring film type pressure reducing valve is needed, however, in the process of controlling the water paths of the cold and hot water pipe networks, the existing spring film type pressure reducing valve has low tightness, and because the water paths inside the cold and hot water pipe networks have high pressure, stress leakage between the spring film type pressure reducing valve and the cold and hot water pipe networks is easily caused, cold and hot water leakage of the cold and hot water pipe networks occurs, so that unnecessary economic loss is caused to users, meanwhile, the maintenance cost of a cold and hot water pipe network construction party is also improved, meanwhile, automatic alarm processing cannot be carried out on the water path pressure of the cold and hot water pipe networks, most of inspectors can know the water path pressure of the cold and hot water pipe networks by observing a pressure gauge, when the water path pressure inside the cold and hot water pipe networks is too high, leakage occurs, even the situation of pipes is exploded, and the inspectors cannot be warned for the first aid to take corresponding measures, the overall safety of the cold and hot water pipe network is reduced, and therefore, a spring film type pressure reducing valve for the cold and hot water pipe network is provided.
Disclosure of Invention
The invention aims to provide a spring film type pressure reducing valve for a cold and hot water pipe network, which solves the problems that the existing spring film type pressure reducing valve in the background art has low sealing performance in the process of controlling the water paths of the cold and hot water pipe networks, and cannot alarm the water path pressure of the cold and hot water pipe networks.
In order to achieve the purpose, the invention provides the following technical scheme: a spring film type pressure reducing valve for a cold and hot water pipe network comprises a valve body, wherein a fixed frame is fixedly connected to the back of the valve body, the left end of an inner cavity of the valve body is communicated with a water inlet pipe, the right end of the inner cavity of the valve body is communicated with a water outlet pipe, one ends, far away from the valve body, of the water inlet pipe and the water outlet pipe are fixedly connected with a connecting flange, the inner cavity of the fixed frame is provided with a sealing mechanism matched with the connecting flange, one ends, far away from the connecting flange, of the water inlet pipe and the water outlet pipe are respectively communicated with a water inlet connecting pipe and a water outlet connecting pipe matched with the sealing mechanism, the front of the water outlet pipe is fixedly connected with an alarm box, the inner cavity of the alarm box is provided with an alarm structure, and the right side of the top of the alarm box is fixedly connected with a small controller matched with the alarm structure;
the top end of the inner cavity of the valve body is communicated with a top seat through a mounting flange plate, the top of the top seat is fixedly connected with an electric motor, the output shaft of the electric motor is fixedly connected with a screw rod, the surface of the screw rod is in threaded connection with a threaded sleeve, the outer side of the threaded sleeve is fixedly connected with a connecting disc in sliding fit with the top seat, the bottom of the connecting disc is fixedly connected with a spring matched with the screw rod, the bottom of the spring is fixedly connected with an arc-shaped pressure plate matched with the valve body for use, the center of the bottom of the arc-shaped pressure plate is vertically and fixedly connected with a valve rod, the center of the valve rod is fixedly connected with a valve core matched with the valve body, both sides of the valve core are provided with membranes matched with the water inlet pipe and the water outlet pipe, the inner cavity of the valve body is provided with a valve cavity matched with the valve core and the diaphragm, and the bottom of the valve body is fixedly connected with a base.
Preferably, sealing mechanism includes ring seal groove, ring seal groove sets up the inner chamber at the flange, the small-size booster pump of bottom fixedly connected with of mount inner chamber, the gas outlet intercommunication of small-size booster pump has three way connection, three way connection's both ends all communicate threaded hose, the one end that three way connection was kept away from to threaded hose has the sealed gasbag circle of using with the ring seal groove cooperation through the control valve intercommunication.
Preferably, the alarm structure includes flow sensor, flow sensor fixes the bottom at the valve rod, the inner chamber of drain pipe is provided with streamlined flabellum, the inboard fixedly connected with bull stick of streamlined flabellum, the front of bull stick runs through drain pipe and fixedly connected with driving gear through the sealing washer, one side fixedly connected with tachometer of driving gear is kept away from to the bull stick, the top meshing of driving gear has driven gear, the vertical fixedly connected with connecting rod of driven gear's inner chamber, alarm box and fixedly connected with three-colour alarm lamp are run through at the top of connecting rod.
Preferably, the surface of the threaded hose is sequentially clamped with a clamping seat from left to right, and the front surface of the clamping seat is fixedly connected with the surface walls of the water inlet pipe and the water outlet pipe respectively.
Preferably, streamlined flabellum is the distribution of circumference column structure along the center department of bull stick, the inner chamber of three-colour alarm lamp is from supreme green light, yellow light and the red light of having set gradually down, and green light, yellow light and red light represent "normal", "operation" and "alarm" respectively.
Preferably, one end of the inner cavity of the water inlet pipe, which is close to the valve body, is communicated with a pressure gauge of the water inlet pipe, and one end of the inner cavity of the water drainage pipe, which is close to the valve body, is communicated with a pressure gauge of the water drainage pipe.
Preferably, the left end of the inner cavity of the water inlet pipe is communicated with a flow equalizing net rack, and the right end of the flow equalizing net rack is communicated with a flow guide net rack.
Preferably, four ends of the inner cavity of the water inlet pipe, which are close to the valve body, are fixedly connected with the flow guide blocks, and the flow guide blocks are fan-shaped.
Preferably, the both ends of the drain pipe inner chamber all fixedly connected with vortex seat, vortex seat is along the central department of drain pipe and is the skew symmetric state and distributes, the vortex hole has all been seted up around the vortex seat inner chamber.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, by arranging the sealing mechanism, a high-pressure air source is provided by a small booster pump, and then the sealing air bag ring can be expanded by adopting high-pressure gas through the matching of the annular sealing groove, the three-way joint, the threaded hose, the control valve and the sealing air bag ring, so that the sealing air bag ring is tightly attached to the connecting position of the connecting flange, the integral sealing effect between the water inlet pipe and the water outlet pipe and the water inlet connecting pipe and the water outlet connecting pipe is fully enhanced, the phenomenon that the joint leakage of the connecting flange caused by overlarge water path pressure in the water inlet pipe and the water outlet connecting pipe is avoided, the unnecessary economic loss of a user is reduced, by arranging the alarm structure, the flow velocity of water passing through the interior of the valve body is monitored by the flow velocity sensor in real time, and the flow velocity pressure of water passing through the water outlet pipe is monitored by the rotation speed sensor in real time, through the cooperation of streamlined flabellum, bull stick, driving gear, driven gear, connecting rod and three-colour alarm lamp, utilize the rivers impact force as drive power, at the inside rivers velocity of flow of valve body and drain pipe too fast, when pressure is too big, in time warns patrolling and examining personnel to patrol and examine personnel and take corresponding measure fast, the reduction user economic loss of at utmost.
2. According to the invention, the water inlet pipe pressure gauge is convenient for an inspector to observe the water flow pressure value inside the water inlet pipe, so that the inspector can take corresponding measures when the water inlet pipe pressure gauge is abnormal, and meanwhile, auxiliary reference is provided for the inspector.
3. According to the invention, the flow equalizing net frame is arranged, the flow equalizing treatment can be carried out on the water flow passing through the water inlet pipe, the pre-pressure relief treatment can be carried out on the water flow entering the water inlet pipe, the flow after the flow equalizing treatment can be guided through the flow guiding net frame, the disorder of the water flow in the water inlet pipe is avoided, the pressure of the water flow in the water inlet pipe is reduced, the integral service life of the water inlet pipe is prolonged, the flow guiding block is arranged, the flow in the water inlet pipe is uniformly guided and treated again before entering the valve body, the water flow uniformly passes through the valve core and the membrane, the water flow impact pressure of the valve core and the membrane is reduced, and the flow disturbing seat is arranged, so that the uniform flow disturbing treatment can be carried out on the water flow in the water discharge pipe, the water flow uniformly enters the water discharge connecting pipe, and the integral smoothness and the uniform speed of a water path are ensured.
According to the invention, the sealing mechanism is arranged, high-pressure gas can be adopted to carry out expansion treatment on the sealing air bag ring, so that the sealing air bag ring is tightly attached to the connecting position of the connecting flange plate, the integral sealing effect between the water inlet pipe and the water outlet pipe and between the water inlet connecting pipe and the water outlet connecting pipe is fully enhanced, and the alarm structure is arranged, the impact force of water flow is used as the driving force, so that when the flow speed of the water flow in the valve body and the water outlet pipe is too high and the pressure is too high, the patrol personnel can be warned in time, and the patrol personnel can take corresponding measures quickly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the structure of the present invention;
FIG. 3 is a partial front sectional view of the structure of the present invention;
FIG. 4 is a cross-sectional view of the valve body, water inlet pipe, water outlet pipe and top seat of the present invention;
FIG. 5 is a structural sectional view of the drain pipe of the present invention;
fig. 6 is a front view of the structure of the flow equalizing net rack and the flow guiding net rack of the present invention.
In the figure: 1. a valve body; 2. a fixed mount; 3. a water inlet pipe; 4. a drain pipe; 5. connecting a flange plate; 6. a sealing mechanism; 61. an annular seal groove; 62. a small booster pump; 63. a three-way joint; 64. a threaded hose; 65. a control valve; 66. sealing the air bag ring; 7. a water inlet connecting pipe; 8. a drainage connecting pipe; 9. an alarm box; 10. an alarm structure; 101. a flow rate sensor; 102. streamline fan blades; 103. a rotating rod; 104. a driving gear; 105. a rotational speed sensor; 106. a driven gear; 107. a connecting rod; 108. a three-color alarm lamp; 11. a top seat; 12. an electric motor; 13. a screw rod; 14. a threaded sleeve; 15. a connecting disc; 16. a spring; 17. an arc-shaped pressing plate; 18. a valve stem; 19. a valve core; 20. a membrane; 21. a base; 22. a water inlet pipe pressure gauge; 23. a drain pressure gauge; 24. a current equalizing net rack; 25. a flow guide net rack; 26. a flow guide block; 27. a turbulent flow seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the present invention provides a technical solution: a spring film type pressure reducing valve for a cold and hot water pipe network comprises a valve body 1, wherein a fixed frame 2 is fixedly connected to the back of the valve body 1, a water inlet pipe 3 is communicated with the left end of an inner cavity of the valve body 1, a water outlet pipe 4 is communicated with the right end of the inner cavity of the valve body 1, a connecting flange 5 is fixedly connected to one end, far away from the valve body 1, of the water inlet pipe 3 and one end, far away from the water outlet pipe 4, of the water outlet pipe 4, a sealing mechanism 6 matched with the connecting flange 5 is arranged in the inner cavity of the fixed frame 2, a sealing mechanism 6 is arranged, a small booster pump 62 provides a high-pressure air source, and then the sealing air bag ring 66 can be expanded by high-pressure air through matching of an annular sealing groove 61, a three-way joint 63, a threaded hose 64, a control valve 65 and the sealing air bag ring 66, so that the sealing air bag ring 66 is tightly attached to the connecting position of the connecting flange 5, the whole sealing effect between the water inlet pipe 3 and the water outlet pipe 4 and a water inlet connecting pipe 7 and a water discharging connecting pipe 8 is fully enhanced, avoid the water inlet pipe 3 and the drain pipe 4 and the water inlet connecting pipe 7 and the drain connecting pipe 8 inside the waterway pressure too big cause the connecting flange 5 to appear the gap leakage, reduce the use side unnecessary economic loss, the water inlet pipe 3 and the drain pipe 4 keep away from the connecting flange 5 one end to communicate with the water inlet connecting pipe 7 and the drain connecting pipe 8 used with the sealing mechanism 6 respectively, the front of the drain pipe 4 is fixedly connected with the alarm box 9, the inner chamber of the alarm box 9 is provided with the alarm structure 10, through setting up the alarm structure 10, the flow velocity of the water passing through the valve body 1 is monitored in real time by the flow velocity sensor 101, the flow velocity pressure of the water passing through the drain pipe 4 is monitored in real time by the revolution speed sensor 105, through the cooperation of the streamline fan blade 102, the rotating rod 103, the driving gear 104, the driven gear 106, the connecting rod 107 and the three-color alarm lamp 108, the water flow impact force is used as the driving force, when the flow velocity of water flow in the valve body 1 and the drain pipe 4 is too high and the pressure is too high, the patrol personnel is warned in time so that the patrol personnel can take corresponding measures quickly, the economic loss of a user is reduced to the maximum extent, and the right side of the top of the alarm box 9 is fixedly connected with a small-sized controller matched with the alarm structure 10 for use;
The top of the inner cavity of the valve body 1 is communicated with a top seat 11 through a mounting flange plate, the top of the top seat 11 is fixedly connected with an electric motor 12, an output shaft of the electric motor 12 is fixedly connected with a lead screw 13, the surface thread of the lead screw 13 is connected with a thread sleeve 14, the outer side of the thread sleeve 14 is fixedly connected with a connection disc 15 in sliding fit with the top seat 11, the bottom of the connection disc 15 is fixedly connected with a spring 16 in cooperation with the lead screw 13, the bottom of the spring 16 is fixedly connected with an arc-shaped pressing plate 17 in cooperation with the valve body 1, the center of the bottom of the arc-shaped pressing plate 17 is fixedly connected with a valve rod 18, the center of the valve rod 18 is fixedly connected with a valve core 19 in cooperation with the valve body 1, two sides of the valve core 19 are respectively provided with a diaphragm 20 in cooperation with a water inlet pipe 3 and a water outlet pipe 4, the inner cavity of the valve body 1 is provided with a valve cavity in cooperation with the valve core 19 and the diaphragm 20, and the bottom of the valve body 1 is fixedly connected with a base 21.
Example 2
Referring to fig. 1-6, the present invention provides a technical solution: a spring film type pressure reducing valve for a cold and hot water pipe network comprises a valve body 1, a fixing frame 2 is fixedly connected to the back of the valve body 1, a water inlet pipe 3 is communicated with the left end of the inner cavity of the valve body 1, one end, close to the valve body 1, of the inner cavity of the water inlet pipe 3 is communicated with a water inlet pipe pressure gauge 22, an inspector can conveniently observe the pressure value of water flow in the water inlet pipe 3, so that the water inlet pipe pressure gauge 22 can take corresponding measures when abnormal, meanwhile, an auxiliary reference is provided for the inspector, a flow equalizing net rack 24 is communicated with the left end of the inner cavity of the water inlet pipe 3, flow equalizing treatment can be carried out on water flow passing through the water inlet pipe 3, meanwhile, pre-pressure relief treatment is carried out on water flow entering the water inlet pipe 3, a flow guide net rack 25 is communicated with the right end of the flow equalizing net rack 24, flow guide treatment can be carried out on water flow after flow equalizing treatment, turbulence of the water flow in the water inlet pipe 3 is avoided, the pressure of the water flow in the water inlet pipe 3 is reduced, the whole service life of the water inlet pipe 3 is prolonged, four ends of the inner cavity of the water inlet pipe 3, which are close to the valve body 1, are fixedly connected with a flow guide block 26, the shape of the flow guide block 26 is fan-shaped, water flow in the water inlet pipe 3 is uniformly guided before entering the valve body 1, so that the water flow uniformly passes through the valve core 19 and the diaphragm 20, the water flow impact pressure of the valve core 19 and the diaphragm 20 is reduced, the right end of the inner cavity of the valve body 1 is communicated with a water discharge pipe 4, one end of the inner cavity of the water discharge pipe 4, which is close to the valve body 1, is communicated with a water discharge pipe pressure gauge 23, a patrol inspector can observe the water flow pressure value in the water discharge pipe 4 conveniently, so that the water discharge pipe pressure gauge 23 takes corresponding measures when abnormal, and simultaneously provides auxiliary references for the patrol inspector, two ends of the inner cavity of the water discharge pipe 4 are fixedly connected with flow disturbing seats 27, the flow disturbing seats 27 are distributed in an oblique symmetrical state along the center of the water discharge pipe 4, and can uniformly disturb the water flow flowing into the water discharge pipe 4, the water flow can uniformly enter the drainage connecting pipe 8, the whole fluency and the uniform velocity of a water path are ensured, the periphery of the inner cavity of the turbulence base 27 is provided with turbulence holes, the water flow can rapidly flow from the turbulence base 27, the turbulence base 27 is prevented from blocking the flow of the water flow, one end of the water inlet pipe 3 and one end of the water outlet pipe 4 far away from the valve body 1 are both fixedly connected with a connecting flange plate 5, the inner cavity of the fixed frame 2 is provided with a sealing mechanism 6 matched with the connecting flange plate 5 for use, the sealing mechanism 6 comprises an annular sealing groove 61, the annular sealing groove 61 is arranged in the inner cavity of the connecting flange plate 5, the bottom of the inner cavity of the fixed frame 2 is fixedly connected with a small booster pump 62, the air outlet of the small booster pump 62 is communicated with a three-way joint 63, both ends of the three-way joint 63 are both communicated with threaded hoses 64, the surface of the threaded hoses 64 is sequentially clamped with clamping seats from left to right, and the front surfaces of the water inlet pipe 3 and the water outlet pipe 4 are respectively and fixedly connected with the surface wall, the two threaded hoses 64 can be limited and fixed to prevent the threaded hoses 64 from falling off, one end, away from the three-way joint 63, of each threaded hose 64 is communicated with a sealing air bag ring 66 matched with the annular sealing groove 61 through a control valve 65, a sealing mechanism 6 is arranged, a small booster pump 62 provides a high-pressure air source, then the sealing air bag ring 66 is matched with the annular sealing groove 61, the three-way joint 63, the threaded hoses 64 and the control valve 65 through the matching of the three-way joint 63, the sealing air bag ring 66 can be subjected to expansion treatment by adopting high-pressure air, so that the sealing air bag ring 66 is tightly attached to the connecting position of the connecting flange 5, the overall sealing effect between the water inlet pipe 3 and the water outlet pipe 4 and the water inlet connecting pipe 7 and the water outlet connecting pipe 8 is fully enhanced, and the gap leakage at the connecting position of the connecting flange 5 caused by the overlarge water path pressure inside the water inlet pipe 3 and the water outlet pipe 4 and the water inlet connecting pipe 7 and the water outlet connecting pipe 8 is avoided, reduce the unnecessary economic loss of the use side, the one end of the water inlet pipe 3 and the drain pipe 4 far away from the connecting flange 5 is respectively communicated with a water inlet connecting pipe 7 and a drain connecting pipe 8 which are matched with a sealing mechanism 6 for use, the front of the drain pipe 4 is fixedly connected with an alarm box 9, the inner cavity of the alarm box 9 is provided with an alarm structure 10, the alarm structure 10 comprises a flow velocity sensor 101, the flow velocity sensor 101 is fixed at the bottom of a valve rod 18, the inner cavity of the drain pipe 4 is provided with a streamline fan blade 102, the inner side of the streamline fan blade 102 is fixedly connected with a rotating rod 103, the streamline fan blade 102 is distributed along the center of the rotating rod 103 in a circumferential structure, the water flow passing through the streamline fan blade 102 in the drain pipe 4 can be uniformly contacted, the rotation uniform velocity of the streamline fan blade 102 is improved, the front of the rotating rod 103 penetrates through the drain pipe 4 through a sealing ring and is fixedly connected with a driving gear 104, one side of the rotating rod 103 far away from the driving gear 104 is fixedly connected with a rotating speed sensor 105, the top of the driving gear 104 is engaged with a driven gear 106, the inner cavity of the driven gear 106 is vertically and fixedly connected with a connecting rod 107, the top of the connecting rod 107 penetrates through the alarm box 9 and is fixedly connected with a three-color alarm lamp 108, the inner cavity of the three-color alarm lamp 108 is sequentially provided with a green lamp, a yellow lamp and a red lamp from bottom to top, the green lamp, the yellow lamp and the red lamp respectively represent normal, operation and alarm, inspection personnel can conveniently and rapidly observe the state of the three-color alarm lamp 108, by arranging the alarm structure 10, the flow velocity of water passing through the interior of the valve body 1 is monitored in real time by the flow velocity sensor 101, the flow velocity pressure of water passing through the drain pipe 4 is monitored in real time by the rotating speed sensor 105, and by the cooperation of the streamline fan blade 102, the rotating rod 103, the driving gear 104, the driven gear 106, the connecting rod 107 and the three-color alarm lamp 108, the impact force of water flow is used as a driving force, when the flow velocity of water flow in the valve body 1 and the water discharge pipe 4 is too high and the pressure is too high, the patrol personnel is warned in time so that the patrol personnel can take corresponding measures quickly, the economic loss of a user is reduced to the maximum extent, and the right side of the top of the alarm box 9 is fixedly connected with a small controller matched with the alarm structure 10; the top of the inner cavity of the valve body 1 is communicated with a top seat 11 through a mounting flange plate, the top of the top seat 11 is fixedly connected with an electric motor 12, an output shaft of the electric motor 12 is fixedly connected with a screw rod 13, the surface thread of the screw rod 13 is connected with a thread sleeve 14, the outside of the thread sleeve 14 is fixedly connected with a connecting disc 15 in sliding fit with the top seat 11, the bottom of the connecting disc 15 is fixedly connected with a spring 16 in cooperation with the screw rod 13, the bottom of the spring 16 is fixedly connected with an arc-shaped pressing plate 17 in cooperation with the valve body 1, the center of the bottom of the arc-shaped pressing plate 17 is vertically fixedly connected with a valve rod 18, the center of the valve rod 18 is fixedly connected with a valve core 19 in cooperation with the valve body 1, two sides of the valve core 19 are respectively provided with a diaphragm 20 in cooperation with a water inlet pipe 3 and a water outlet pipe 4, the inner cavity of the valve body 1 is provided with a valve cavity in cooperation with the valve core 19 and the diaphragm 20, and the bottom of the valve body 1 is fixedly connected with a base 21.
The working principle is as follows: when a user connects the water inlet pipe 3 and the water outlet pipe 4 with the water inlet connecting pipe 7 and the water outlet connecting pipe 8, the user places two groups of sealing air bag rings 66 in two annular sealing grooves 61 of two groups of connecting flange plates 5 in advance, then uses a tool to fasten the two groups of connecting flange plates 5 by bolts, then high-pressure gas generated by the small booster pump 62 is uniformly divided into two paths through the three-way joint 63 and enters two threaded hoses 64, then the high-pressure gas synchronously enters the two groups of sealing air bag rings 66 through two control valves 65, the two groups of sealing air bag rings 66 are synchronously expanded by the high-pressure gas, the two groups of sealing air bag rings 66 with the expanded volume are quickly paved and attached in the two annular sealing grooves 61 of the two groups of connecting flange plates 5, after the two groups of sealing air bag rings 66 are completely inflated, the two control valves 65 synchronously close the two threaded hoses 64, after the high-pressure gas in the two groups of sealing air bag rings 66 is subjected to backflow prevention treatment, the small booster pump 62 stops working at the same time, and the integral sealing effect of the two groups of connecting flange plates 5 can be realized;
when water flows in a cold and hot water pipe network, the flow equalizing net frame 24 and the flow guiding net frame 25 perform flow equalizing and flow guiding treatment on the water flow entering the water inlet pipe 3, the water flow enters the valve body 1 through the flow guiding block 26 to reduce the pressure of the water flow in the water inlet pipe 3, before the water flow flows into the valve body 1, the electric motor 12 drives the screw rod 13 to rotate forward, the screw rod 13 drives the threaded sleeve 14 and the connecting disc 15 to move downward synchronously, the connecting disc 15 drives the spring 16 to move downward, the spring 16 moves downward to extrude the arc-shaped pressing plate 17, the arc-shaped pressing plate 17 which extrudes downward to generate deformation force forces the valve rod 18 to drive the valve core 19 to be clamped into a valve cavity of the valve body 1, then the water flow in the water pipe 3 flows into the water outlet pipe 4 after being subjected to pressure reduction treatment by the diaphragm 20, the water flow entering the water outlet pipe 4 is subjected to flow turbulent treatment by the turbulent flow base 27 so that the water flow can uniformly flow out, and meanwhile, a person can observe the meter value of the water inlet pipe 22 and the water outlet pressure gauge 23, the auxiliary reference is provided for the inspector to know the water flow pressure value, the flow velocity sensor 101 monitors the water flow velocity and pressure in the valve body 1 in real time, the water flow in the water discharge pipe 4 drives the streamline fan blades 102 distributed in a circumferential shape to rotate, the streamline fan blades 102 drive the rotating rod 103 and the driving gear 104 to synchronously rotate, the rotating speed sensor 105 monitors the rotating speed of the streamline fan blades 102 and the rotating rod 103 driven by the water flow in real time, the driving gear 104 drives the driven gear 106 to rotate, the driven gear 106 drives the three-color alarm lamp 108 to rotate through the connecting rod 107, after the water flow velocity and pressure in the valve body 1 and the water discharge pipe 4 exceed the preset safety values of the flow velocity sensor 101 and the rotating speed sensor 105, the flow velocity sensor 101 and the rotating speed sensor 105 send signal instructions to the small controller, and the small controller controls the three-color alarm lamp 108 in a rapid rotation state to send a red light flashing warning to the inspector, so that the inspection personnel can take corresponding measures quickly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a spring film formula relief pressure valve that cold and hot water pipe net was used, includes valve body (1), its characterized in that: the back of the valve body (1) is fixedly connected with a fixed frame (2), the left end of the inner cavity of the valve body (1) is communicated with a water inlet pipe (3), the right end of the inner cavity of the valve body (1) is communicated with a drain pipe (4), the ends of the water inlet pipe (3) and the drain pipe (4) far away from the valve body (1) are fixedly connected with a connecting flange plate (5), the inner cavity of the fixing frame (2) is provided with a sealing mechanism (6) which is matched with the connecting flange plate (5), one ends of the water inlet pipe (3) and the water outlet pipe (4) far away from the connecting flange (5) are respectively communicated with a water inlet connecting pipe (7) and a water outlet connecting pipe (8) which are matched with the sealing mechanism (6), the front surface of the drain pipe (4) is fixedly connected with an alarm box (9), an inner cavity of the alarm box (9) is provided with an alarm structure (10), the right side of the top of the alarm box (9) is fixedly connected with a small controller matched with the alarm structure (10) for use;
The top end of the inner cavity of the valve body (1) is communicated with a top seat (11) through a mounting flange plate, the top of the top seat (11) is fixedly connected with an electric motor (12), an output shaft of the electric motor (12) is fixedly connected with a lead screw (13), the surface of the lead screw (13) is in threaded connection with a threaded sleeve (14), the outer side of the threaded sleeve (14) is fixedly connected with a connecting disc (15) in sliding fit with the top seat (11), the bottom of the connecting disc (15) is fixedly connected with a spring (16) matched with the lead screw (13) for use, the bottom of the spring (16) is fixedly connected with an arc-shaped pressing plate (17) matched with the valve body (1) for use, the center of the bottom of the arc-shaped pressing plate (17) is vertically and fixedly connected with a valve rod (18), the center of the valve rod (18) is fixedly connected with a valve core (19) matched with the valve body (1) for use, the water inlet valve is characterized in that diaphragms (20) matched with the water inlet pipe (3) and the water outlet pipe (4) are arranged on two sides of the valve core (19), a valve cavity matched with the valve core (19) and the diaphragms (20) is arranged in an inner cavity of the valve body (1), and a base (21) is fixedly connected to the bottom of the valve body (1).
2. The spring film type pressure reducing valve for a cold and hot water pipe network as claimed in claim 1, wherein: sealing mechanism (6) are including annular seal groove (61), the inner chamber in connection flange dish (5) is seted up in annular seal groove (61), the small-size booster pump (62) of bottom fixedly connected with of mount (2) inner chamber, the gas outlet intercommunication of small-size booster pump (62) has three way connection (63), the both ends of three way connection (63) all communicate threaded hose (64), the one end that three way connection (63) were kept away from in threaded hose (64) has sealed gasbag circle (66) of using with annular seal groove (61) cooperation through control valve (65) intercommunication.
3. The spring film type pressure reducing valve for a cold and hot water pipe network as claimed in claim 1, wherein: alarm structure (10) are including velocity of flow sensor (101), the bottom at valve rod (18) is fixed to velocity of flow sensor (101), the inner chamber of drain pipe (4) is provided with streamlined flabellum (102), inboard fixedly connected with bull stick (103) of streamlined flabellum (102), the front of bull stick (103) runs through drain pipe (4) and fixedly connected with driving gear (104) through the sealing washer, one side fixedly connected with speed sensor (105) of driving gear (104) are kept away from in bull stick (103), the top meshing of driving gear (104) has driven gear (106), the vertical fixedly connected with connecting rod (107) of inner chamber of driven gear (106), alarm box (9) and fixedly connected with three-colour alarm lamp (108) are run through at the top of connecting rod (107).
4. The spring film type pressure reducing valve for a cold and hot water pipe network as claimed in claim 2, wherein: the surface of the threaded hose (64) is sequentially clamped with a clamping seat from left to right, and the front surface of the clamping seat is fixedly connected with the surface walls of the water inlet pipe (3) and the water outlet pipe (4) respectively.
5. The spring film type pressure reducing valve for a cold and hot water pipe network as claimed in claim 3, wherein: streamlined flabellum (102) are the distribution of circumference column structure along the center department of bull stick (103), the inner chamber of three-colour alarm lamp (108) is from the supreme green light, yellow light and the red light of having set gradually down, and green light, yellow light and red light represent "normal", "operation" and "alarm" respectively.
6. The spring film type pressure reducing valve for a cold and hot water pipe network as claimed in claim 1, wherein: one end of the inner cavity of the water inlet pipe (3) close to the valve body (1) is communicated with a water inlet pipe pressure gauge (22), and one end of the inner cavity of the water outlet pipe (4) close to the valve body (1) is communicated with a water outlet pipe pressure gauge (23).
7. The spring film type pressure reducing valve for a cold and hot water pipe network as claimed in claim 1, wherein: the left end intercommunication of inlet tube (3) inner chamber has the rack (24) of flow equalizing, the right-hand member intercommunication of rack (24) of flow equalizing has water conservancy diversion rack (25).
8. The spring film type pressure reducing valve for a cold and hot water pipe network as claimed in claim 1, wherein: four ends of the inner cavity of the water inlet pipe (3) close to the valve body (1) are fixedly connected with a flow guide block (26), and the flow guide block (26) is fan-shaped.
9. The spring film type pressure reducing valve for a cold and hot water pipe network as claimed in claim 1, wherein: the equal fixedly connected with vortex seat (27) in both ends of drain pipe (4) inner chamber, vortex seat (27) are located along the center of drain pipe (4) and are the skew symmetry state and distribute, the vortex hole has all been seted up all around to vortex seat (27) inner chamber.
CN202210118082.4A 2022-02-08 2022-02-08 Spring film type pressure reducing valve for cold and hot water pipe network Active CN114562597B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205715892U (en) * 2016-05-10 2016-11-23 常州市大全机械有限公司 The hydraulic control valve body of ne-leakage
CN106402447A (en) * 2016-11-03 2017-02-15 海宁市水享净水设备有限公司 Pressure reducing valve device
CN206347165U (en) * 2016-12-26 2017-07-21 宁波埃美柯铜阀门有限公司 A kind of pressure-reducing valve pilot valve for carrying pressure gauge connection
CN208793729U (en) * 2018-06-15 2019-04-26 本兴阀门制造有限公司 Pressure reducing valve with retaining connector
CN209294494U (en) * 2018-12-19 2019-08-23 南京自控仪表有限公司 Integral type high-temperature high-pressure pressure-reducing valve
CN210153274U (en) * 2019-06-06 2020-03-17 温州捷顿阀门制造有限公司 Pneumatic three-way valve
CN210859941U (en) * 2019-10-23 2020-06-26 浙江良开阀门有限公司 High-pressure reducing valve
CN113932055A (en) * 2021-11-05 2022-01-14 刘勇 Intelligent high-precision regulating valve for high-precision equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205715892U (en) * 2016-05-10 2016-11-23 常州市大全机械有限公司 The hydraulic control valve body of ne-leakage
CN106402447A (en) * 2016-11-03 2017-02-15 海宁市水享净水设备有限公司 Pressure reducing valve device
CN206347165U (en) * 2016-12-26 2017-07-21 宁波埃美柯铜阀门有限公司 A kind of pressure-reducing valve pilot valve for carrying pressure gauge connection
CN208793729U (en) * 2018-06-15 2019-04-26 本兴阀门制造有限公司 Pressure reducing valve with retaining connector
CN209294494U (en) * 2018-12-19 2019-08-23 南京自控仪表有限公司 Integral type high-temperature high-pressure pressure-reducing valve
CN210153274U (en) * 2019-06-06 2020-03-17 温州捷顿阀门制造有限公司 Pneumatic three-way valve
CN210859941U (en) * 2019-10-23 2020-06-26 浙江良开阀门有限公司 High-pressure reducing valve
CN113932055A (en) * 2021-11-05 2022-01-14 刘勇 Intelligent high-precision regulating valve for high-precision equipment

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