CN110578828B - Water valve control assembly - Google Patents
Water valve control assembly Download PDFInfo
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- CN110578828B CN110578828B CN201910895972.4A CN201910895972A CN110578828B CN 110578828 B CN110578828 B CN 110578828B CN 201910895972 A CN201910895972 A CN 201910895972A CN 110578828 B CN110578828 B CN 110578828B
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- water
- pipe
- rod
- limiting
- valve
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Abstract
The invention provides a water valve control assembly, which comprises an interception control valve (300), wherein the interception control valve (300) is installed at a water inlet port of a water pipe (100) and controls whether the water pipe (100) can receive an external water source or not, the interception control valve (300) comprises a second three-way pipe (310), a trigger pump (320) and a circuit breaking mechanism (330), the trigger pump (320) is communicated with an air pipe (400), the air pipe (400) is communicated with a high-pressure air source, and a valve for controlling the high-pressure air source to circulate on the air pipe (400) is arranged on the air pipe (400); the trigger pump (320) can receive high-pressure gas conveyed by the gas pipe (400) and is triggered to drive the circuit breaking mechanism (330) to operate, and the circuit breaking mechanism (330) is used for controlling whether water can flow into the water pipe (100) through the second three-way pipe (310); the water flow can be cut off when the water pipe is damaged, and the water flow can be manually operated and cut off by a worker when the worker inspects the condition of the water pipe according to the regulation, so that the inspection is facilitated.
Description
Technical Field
The invention relates to a water valve, in particular to a water valve control assembly.
Background
Water is one of the indispensable resources of people's life, along with the development and progress of society, people's domestic water is by sinking water gradual transition to water supply system, water supply system not only can provide domestic water for people fast, can also filter and disinfect domestic water, but water pipe in case lead to the water pipe to break because of external factors such as construction, winter temperature low grade factor, the running water can spout in a large number, lead to the water waste, for this reason, the inventor has designed a water piping system, it can respond to whether the water pipe is damaged and when the water pipe is damaged, the rivers between automatic cutout water supply equipment and the water outlet apparatus flow.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a water valve control assembly capable of automatically intercepting water, which effectively avoids the occurrence of a large amount of waste of water resources caused by a large amount of water discharged due to the damage of a water pipe and can realize the function of convenient maintenance.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A water valve control assembly comprises an interception control valve (300), wherein the interception control valve (300) is installed at a water inlet port of a water pipe (100) and controls whether the water pipe (100) can receive an external water source or not, the interception control valve (300) comprises a second three-way pipe (310), a trigger pump (320) and a circuit breaking mechanism (330), the second three-way pipe (310) is connected and communicated with the water pipe (100), the trigger pump (320) is connected and communicated with an air pipe (400), the air pipe (400) is connected and communicated with a high-pressure air source, and a valve for controlling the high-pressure air source to circulate on the air pipe (400) is arranged on the air pipe (400);
the trigger pump (320) can receive high-pressure gas conveyed by the gas pipe (400) and is triggered to drive the circuit breaking mechanism (330) to operate, and the circuit breaking mechanism (330) is used for controlling whether water can flow into the water pipe (100) through the second three-way pipe (310);
the second three-way pipe (310) can be divided into two sections, namely a horizontal section III and a vertical section III, one end of the horizontal section III is coaxially and fixedly connected and communicated with the water pipe (100), the other end of the horizontal section III is communicated with water supply equipment, the vertical section III is vertically fixed at the middle position of the horizontal section III, the vertical section III and the horizontal section III are connected and communicated, the vertical section III and the horizontal section III and the water supply equipment form a T-shaped structure together, and a mounting support is further arranged outside the second three-way pipe (310);
the circuit breaking mechanism (330) comprises a driving component (3310) and a circuit breaking component (3320), wherein the circuit breaking component (3320) is used for controlling and determining whether water can flow to the water pipe (100) through the second three-way pipe (310), and the driving component (3310) is used for being triggered by the trigger pump (320) and drawing the circuit breaking component (3320) to operate so that the water cannot flow to the water pipe (100) through the second three-way pipe (310).
The technical scheme is further improved and optimized.
The breaking member (3320) comprises a breaking valve core (3321) and a breaking valve rod, the breaking valve core (3321) is coaxially arranged in a vertical section III of the second three-way pipe (310) and can rotate around the axial direction of the breaking valve core, a water through hole penetrating through the radial thickness of the breaking valve core and communicated with a horizontal section III of the second three-way pipe (310) is further formed in the outer circular surface of the breaking valve core (3321), the breaking valve rod is coaxially fixed on the end surface, deviating from the horizontal section III of the second three-way pipe (310), of the breaking valve core (3321), a coil spring (3324) in a compressed state is further arranged between the breaking valve core (3321) and the second three-way pipe (310), and the elastic force of the coil spring (3324) drives the breaking valve core (3321) to make the rotation trend of the water through hole and the horizontal section III of the second three-way pipe (310) disconnected and the rotation direction is the.
The technical scheme is further improved and optimized.
An avoidance hole is formed in the outer circular surface of the third vertical section of the second three-way pipe (310) and is positioned on one side, away from the water pipe (100), of the third vertical section;
the broken circuit member (3320) further comprises a limiting disc (3322) and a limiting rod (3323), the limiting disc (3322) is of a ring structure, a connecting piece is arranged between the limiting disc (3322) and the broken circuit valve rod and is coaxially connected with the limiting disc (3322) and the broken circuit valve rod through the connecting piece, and when the limiting disc (3322) axially displaces along the broken circuit valve rod, the broken circuit valve rod can continuously output power to the limiting disc (3322);
the extending direction of the limiting rod (3323) is parallel to the axial direction of the water pipe (100), one end of the limiting rod (3323) is a limiting end and is positioned in the third vertical section of the second three-way pipe (310), the other end of the limiting rod is a fixed end and passes through the avoidance hole and is positioned outside the second three-way pipe (310), and the limiting rod (3323) and the avoidance hole form sealed sliding guide fit;
a limiting part is arranged between the limiting end of the limiting rod (3323) and the limiting disc (3322), the limiting part comprises a limiting groove arranged on the outer circular surface of the limiting disc (3322), and a limiting block (3323 a) fixed at the limiting end of the limiting rod (3323) and positioned in the limiting groove, the limiting block (3323 a) rotates along the positive rotation of the breaking valve core (3321) and is a guide inclined surface positioned on the side surface in the positive front, and the distance between the guide inclined surface and the notch of the limiting groove is gradually increased along the radial direction of the limiting disc (3322);
the broken circuit member (3320) further comprises a connecting sleeve (3325), a contact disc (3326) and a third reset spring (3327), the connecting sleeve (3325) is of a ring structure, a linkage piece is arranged between the connecting sleeve (3325) and the broken circuit valve rod and is coaxially connected with the connecting sleeve (3325) through the linkage piece, when the connecting sleeve (3325) axially displaces along the broken circuit valve rod, the connecting sleeve (3325) can continuously output power to the broken circuit valve rod, the connecting sleeve (3325) is positioned right above the limiting disc (3322) and is in contact with the limiting disc (3322), and the end part of the connecting sleeve (3325) deviating from the limiting disc (3322) extends out of the second three-way pipe (310) and is provided with a reset handle in a matching manner;
the contact disc (3326) is coaxially fixed outside the open circuit valve rod and located right below the limiting disc (3322), the return spring III (3327) is sleeved outside a part, located between the contact disc (3326) and the limiting disc (3322), of the open circuit valve rod, and the elastic force of the return spring III (3327) drives the limiting disc (3322) to move far away from the contact disc (3326).
The technical scheme is further improved and optimized.
The connecting piece comprises a first internal spline arranged on the inner circular surface of the limiting disc (3322) and a first external spline arranged on the outer circular surface of the circuit-breaking valve rod;
the linkage piece comprises a second internal spline arranged on the inner circular surface of the connecting sleeve 3325 and a second external spline arranged on the outer circular surface of the open circuit valve rod.
The technical scheme is further improved and optimized.
A restraining piece is arranged between the inner wall of the third vertical section of the second three-way pipe (310) and the outer circular surface of the limiting disc (3322), the restraining piece comprises a restraining groove (311) arranged on the inner wall of the third vertical section of the second three-way pipe (310) and a restraining protrusion (3322 a) arranged on the outer circular surface of the limiting disc (3322), the restraining groove (311) is of a right-angle groove structure coaxially arranged with the third vertical section of the second three-way pipe (310), the free end of the restraining protrusion (3322 a) is located in the restraining groove (311), and two groove walls of the restraining groove (311) which rotate along the forward rotation of the circuit breaker valve core (3321) are restraining groove walls I/II;
when the disconnecting member (3320) is switched to the disconnecting state, the restraining protrusion (3322 a) contacts the restraining groove wall II of the restraining groove (311), and when the disconnecting member (3320) is switched to the connecting state, the restraining protrusion (3322 a) contacts the restraining groove wall I of the restraining groove (311).
The technical scheme is further improved and optimized.
The driving component (3310) comprises a guide rod (3311), a fixed support (3312) and a second return spring (3313), the guide direction of the guide rod (3311) is parallel to the axial direction of the water pipe (100), the guide rod (3311) is fixed on the mounting support, the guide rod (3311) is positioned on one side of the mounting support, which deviates from the water pipe (100), and the free end of the guide rod (3311) is provided with a butting step;
the fixed support (3312) is movably arranged outside the guide rod (3311) to form sliding guide fit, the second reset spring (3313) is sleeved outside the part of the guide rod (3311) between the fixed support (3312) and the abutting step, and the elastic force of the second reset spring (3313) drives the fixed support (3312) to move close to the mounting support;
the fixed end of the limiting rod (3323) is fixedly connected with the fixed bracket (3312), and part of the fixed bracket (3312) is opposite to the piston rod (325) of the trigger pump (320).
The technical scheme is further improved and optimized.
Trigger pump (320) including triggering pump case (321), piston (324), piston rod (325), reset spring (326), trigger pump case (321) and be one end opening, the circular shell structure that the pump cover was installed in one end closure and open end matching, the axial that triggers pump case (321) is on being fixed in the installing support in the axial of water pipe (100) and triggering pump case (321), and its open end is close to water pipe (100), still coaxial being provided with on the pump cover and connect through mouth (322) and switch-on mouth (322) and trachea (400) and be connected the switch-on, trigger pump case (321) blind end still coaxial seted up and stretched out the hole.
The technical scheme is further improved and optimized.
The piston (324) is arranged in the trigger pump shell (321) and forms sealed sliding guide fit, the piston rod (325) and the trigger pump shell (321) are coaxially arranged, one end of the piston rod (325) is fixedly connected with the piston (324), the other end of the piston rod penetrates through the extending hole and is positioned outside the trigger pump shell (321), one end of the first reset spring (326) is abutted against the cavity bottom of the trigger pump shell (321), the other end of the first reset spring (326) is abutted against the piston (324), and the piston (324) is driven to move close to the pump cover by the elastic force of the first reset spring (326).
The technical scheme is further improved and optimized.
The outside of the trigger pump shell (321) is also provided with a fixing hole, the fixing hole is positioned on one side of the piston (324) facing the pump cover, and the fixing hole is provided with an air release plug (323) in a matching way.
The technical scheme is further improved and optimized.
The piston rod (325) is coaxially provided with an air release hole (3251) penetrating through the axial thickness of the piston rod, the outer circular surface of the piston rod (325) is provided with an air inlet hole (3252) communicated with the air release hole (3251), an air exhaust hole (3253), the air inlet hole (3252) is close to the piston (324), and the air exhaust hole (3253) is close to the free end of the piston rod (325).
Compared with the prior art, the invention has the advantages that the interception control valve cuts off the flow of the water source, thereby effectively avoiding the occurrence of the condition of water resource waste caused by the fact that a large amount of water is discharged due to the damage of the water pipe; the control valve that dams not only can accept the high-pressure gas of auto-induction breaker and use this as power to cut off rivers and flow when the water pipe is damaged, can also be when the staff examines the water pipe situation according to the regulation, by staff manual operation and cut off rivers and flow, the staff of being convenient for examines the water pipe situation.
Drawings
Fig. 1 is a schematic structural view of a water pipe according to the present invention when it is not broken.
Fig. 2 is a schematic structural view of the water pipe of the present invention when it is not broken.
Fig. 3 is a schematic structural view of the water pipe according to the present invention when broken.
Fig. 4 is a schematic structural view of the water pipe according to the present invention when broken.
Fig. 5 is a schematic structural diagram of the auto-induction circuit breaker device of the present invention.
Fig. 6 is a schematic view of the structure of the switch-on mechanism of the present invention.
Fig. 7 is a cross-sectional view of the switch-on mechanism of the present invention.
Fig. 8 is a cross-sectional view of the switch-on mechanism of the present invention.
Fig. 9 is a schematic structural view of the induction valve of the present invention.
Fig. 10 is a schematic structural view of an induction valve of the present invention.
Fig. 11 is a cross-sectional view of an induction valve of the present invention.
Fig. 12 is a matching view of the pushing member and the sensing valve core of the present invention.
Fig. 13 is a schematic structural view of the pneumatic mechanism of the present invention.
Fig. 14 is a sectional view of the opening/closing valve of the present invention.
Fig. 15 is a schematic structural view of a shutoff control valve of the present invention.
Fig. 16 is a schematic structural view of a shutoff control valve of the present invention.
FIG. 17 is a cross-sectional view of a second tee of the present invention.
Fig. 18 is a schematic view of the trigger pump of the present invention.
Fig. 19 is a cross-sectional view of a trigger pump of the present invention.
Fig. 20 is a cross-sectional view of the piston and piston rod of the present invention.
Fig. 21 is a schematic structural diagram of the circuit breaking mechanism of the present invention.
Fig. 22 is a schematic structural view of the circuit interrupting mechanism of the present invention.
Fig. 23 is a schematic structural view of a driving member of the present invention.
Fig. 24 is a schematic structural view of the breaking member of the present invention.
Fig. 25 is a partial schematic view of the circuit interrupting member of the present invention.
FIG. 26 is a view of the engagement of the limiting disk and the limiting rod of the present invention.
Fig. 27 is a cross-sectional fit of the connecting sleeve and trip valve stem of the present invention.
Detailed Description
The automatic induction circuit breaking device and the closure control valve are matched and cut off the flow of water flow between the water supply/discharge equipment, and the automatic induction circuit breaking device and the closure control valve can sense the condition of the water pipe at any time and automatically cut off the flow of water flow between the water supply/discharge equipment when the water pipe is damaged, so that the condition that a large amount of water is discharged due to the damage of the water pipe and a large amount of water is effectively avoided; the automatic induction breaking device induces the condition of the water pipe by inducing hydrostatic pressure, and the induction sensitivity is better; the control valve that dams not only can accept the high-pressure gas of auto-induction breaker and use this as power to cut off rivers and flow when the water pipe is damaged, can also be when the staff examines the water pipe situation according to the regulation, by staff manual operation and cut off rivers and flow, the staff of being convenient for examines the water pipe situation.
The pipeline fault voltage-loss automatic shut-off water valve system comprises a water pipe 100, an automatic induction circuit breaker 200, a shut-off control valve 300 and an air pipe 400, wherein the automatic induction circuit breaker 200 and the shut-off control valve 300 are respectively installed at one end of the water pipe 100, water in water supply equipment such as a water tower flows to the automatic induction circuit breaker 200 through the shut-off control valve 300 and finally flows to water outlet equipment such as a water tap, the automatic induction circuit breaker 200 is connected and communicated with the shut-off control valve 300 through the air pipe 400, the automatic induction circuit breaker 200 is used for automatically stopping water flow to the water outlet equipment when the water pipe 100 is damaged and transmitting signals to the shut-off control valve 300 through the air pipe 400, and the shut-off control valve 300 is used for automatically stopping water flow to the water pipe 100 after receiving the signals transmitted by the automatic induction circuit breaker 200.
When water pipe 100 is normal, rivers in water supply facilities such as water tower can be by control valve 300 that dams, water pipe 100 flows to auto-induction breaker 200 and finally flows to water outlet facilities such as tap, when damaged appears in water pipe 100, auto-induction breaker 200 senses this kind of situation automatically and makes rivers stop to flow to water outlet facilities, transmit water pipe 100 damage signal to second auto-breaker 300 through trachea 400 simultaneously and second auto-breaker 300 can make rivers stop flowing to water pipe 100 automatically, whole process auto-induction cuts off rivers and flows, thereby effectively avoided the waste of water resource.
The auto-induction circuit-breaking device 200 comprises a pneumatic mechanism 210, an induction valve 220 and a connection mechanism 230, wherein the connection mechanism 230 is used for connecting and connecting with the water pipe 100, the induction valve 220 is used for connecting and connecting between the pneumatic mechanism 210 and the air pipe 400, and high-pressure gas is stored in the pneumatic mechanism 210.
The connection mechanism 230 comprises a first three-way pipe 231, the first three-way pipe 231 is composed of two sections which are a first horizontal section and a first vertical section respectively, one end of the first horizontal section is coaxially and fixedly connected and communicated with the water pipe 100, the other end of the first horizontal section can be communicated with the water outlet device, the first vertical section is vertically fixed at the middle position of the first horizontal section, the first vertical section and the first horizontal section are connected and communicated, and the first vertical section and the first horizontal section form a T-shaped structure together.
The first three-way pipe 231 is also internally provided with a one-way valve for enabling water to flow from the water pipe 100 to the first three-way pipe 231 in a one-way, specifically, the first three-way pipe 231 is internally provided with a built-in step which is positioned at one side of the vertical section, which is far away from the water pipe 100, and a support bracket is arranged in the built-in step, the one-way valve comprises a guide rod 232, a sealing plug 233 and a one-way spring 234, the guide rod 232 and the water pipe 100 are coaxially arranged, the guide rod 232 is movably arranged on the support bracket to form sliding guide fit, and the guide rod 232 is provided with an external step towards one end of the water pipe 100, the sealing plug 233 is fixed at the end of the guide rod 232 departing from the water pipe 100 and the sealing plug 233 can seal the internal step, the one-way spring 234 is sleeved outside the part of the guide rod 232 located at the external step and the support bracket and the elastic force of the one-way spring 234 drives the guide rod 232/the sealing plug 233 to move close to the water pipe 100.
In the process that water flows to the first three-way pipe 231 from the water pipe 100, the water flow is in contact with the one-way valve and pushes the sealing plug 233 to move away from the water pipe 100, the one-way spring 234 is in a compressed state, and the water flow can flow through the area between the sealing plug 233 and the support bracket, otherwise, due to the existence of the one-way spring 234, the water flow cannot flow to the water pipe 100 from the first three-way pipe 231, namely when the water pipe 100 is damaged, the water in the water outlet device cannot flow back.
The induction valve 220 include the induction valve casing 221, the induction valve core 222, the induction valve rod 223, the induction plug 224, the piece pushes away, the induction valve casing 221 has two sections cylinders to constitute and be the horizontal segment two that is both ends open-ended respectively, be one end opening one end confined vertical segment two, the blind end of vertical segment two and the coaxial fixed connection of vertical segment one free end of first three-way pipe 231 and the blind end of vertical segment two have seted up the perforation coaxially, the open end matching of vertical segment two is installed end cap 227, the axial direction of horizontal segment two is on a parallel with the axial of water pipe 100, horizontal segment two is fixed in the intermediate position department of vertical segment two and interconnect switch-on between the two, and both constitute the cruciform structure jointly, the one end of horizontal segment two is connected with pneumatic mechanism 210, the other end is connected with trachea 400.
The pushing part comprises a pushing core 225 and a pushing spring 226, the pushing core 225 is located in the vertical section two of the induction valve casing 221, a sliding part is arranged between the pushing core 225 and the vertical section two, and the sliding part forms sliding guide fit with a guide direction parallel to the axial direction of the vertical section two through the sliding part, specifically, the sliding part comprises a sliding protrusion arranged outside the pushing core 225 and a sliding groove arranged on the inner pipe wall of the vertical section two.
One end of the pushing spring 226 abuts against the end cap 227, the other end abuts against the pushing core 225, and the elastic force of the pushing spring 226 drives the pushing core 225 to move close to the first three-way pipe 231.
The induction valve core 222 is located in the vertical section two of the induction valve casing 221 and located below the push core 225, an embedded member is arranged between the induction valve core 222 and the push core 225, and the induction valve core 222 and the push core 225 are connected through the embedded member, specifically, the embedded member includes an embedded protrusion which is arranged on the push core 225 and has a rectangular structure, and an embedded groove which is arranged on the induction valve core 222 and is matched with the embedded protrusion.
The sensing valve core 222 is further provided with a first vent hole which penetrates through the radial thickness of the sensing valve core and is axially parallel to the axial direction of the water pipe 100, and the first vent hole is positioned on one side, away from the first three-way pipe 231, of the horizontal section of the sensing valve shell 221.
The induction plug 224 is arranged in the first vertical section of the first three-way pipe 231, and a sealed sliding guide fit is formed between the two.
One end of the sensing valve rod 223 is coaxially and fixedly connected with the sensing valve core 222, and the other end of the sensing valve rod passes through the through hole and is coaxially and fixedly connected with the sensing plug 224.
The motion state of the sensing valve 220 can be divided into a ventilation state in which a first ventilation hole disposed on the sensing valve core 222 is communicated with a second horizontal section of the sensing valve casing 221, a blocking state in which the first ventilation hole is not communicated with the second horizontal section, and an initial state of the sensing valve 220 is a blocking state.
In the process that water flows from the water pipe 100 to the first three-way pipe 231, part of water flows into the first vertical section of the first three-way pipe 231, under the action of static pressure of the water, the sensing plug 224 moves away from the first horizontal section of the first three-way pipe 231, the sensing plug 224 moves and pulls the sensing valve rod 223, the sensing valve core 222 and the pushing core 225 to move synchronously, and the pushing spring 226 is compressed, namely the sensing valve 220 is in a blocking state at the moment;
when the water pipe 100 is damaged, water in the first vertical section of the first three-way pipe 231 is discharged, and meanwhile, under the elastic force action of the abutting spring 226, the pushing core 225, the sensing valve core 222, the sensing valve rod 223 and the sensing plug 224 synchronously move close to the first horizontal section of the first three-way pipe 231, so that the first vent hole formed in the sensing valve core 222 is communicated with the second horizontal section of the sensing valve shell 221, namely, the sensing valve 220 is in a vent state at the moment.
The pneumatic mechanism 210 includes an opening/closing valve 211 and a high-pressure gas tank 212 storing high-pressure gas, the opening/closing valve 211 includes an opening/closing valve housing 2111, an opening/closing valve core 2113, and an opening/closing valve stem, the opening/closing valve housing 2111 is a circular housing structure with two open ends, one end of the opening/closing valve housing 2111 is connected to the high-pressure gas tank 212, and the other end is connected to the second horizontal segment of the sensing valve housing 221.
The opening and closing valve core 2113 is arranged in the opening and closing valve casing 2111 and can rotate around the self axial direction, a vent hole II penetrating through the radial thickness of the opening and closing valve core 2113 is formed in the opening and closing valve core 2113, one end of the opening and closing valve rod is coaxially and fixedly connected with the opening and closing valve core 2113, the other end of the opening and closing valve rod extends out of the opening and closing valve casing 2111 and is provided with an opening and closing handle 2114 in a matching mode, the opening and closing handle 2114 rotates, the opening and closing valve rod draws the opening and closing valve core 2113 to rotate synchronously.
The outside of the opening and closing valve casing 2111 is further provided with a connection nozzle 2112, the connection nozzle 2112 is positioned on the side of the opening and closing valve core 2113 facing the high pressure gas tank 212, and the connection nozzle 2112 is further connected with an indicator panel 213 for measuring and displaying the gas pressure in the high pressure gas tank 212.
The movement state of the pneumatic mechanism 210 can be divided into a flow state in which the second vent hole provided in the opening/closing valve body 2113 is connected to the opening/closing valve housing 2111, and a closed state in which the second vent hole is not connected to the opening/closing valve housing 2111, and the initial state of the pneumatic mechanism 210 is the flow state.
The user can manually rotate the opening and closing handle 2114 and determine that the air pressure mechanism 210 is in a circulation state or a closed state; the controller is used for reading the air pressure in the high-pressure air tank 212 through the indicating disc 213 and deciding whether to replace the high-pressure air tank 212;
when the water pipe 100 is normal, the induction valve 220 is in a blocking state, and gas cannot pass through the induction valve 220; when the water pipe 100 is broken, the sensing valve 220 is switched to the ventilation state, and at this time, the high-pressure gas in the high-pressure gas tank 212 can flow into the shutoff control valve 300 through the on-off valve 211, the sensing valve 220, and the gas pipe 400.
The shutoff control valve 300 comprises a second three-way pipe 310, a trigger pump 320 and a circuit breaking mechanism 330, wherein the second three-way pipe 310 is connected with the water pipe 100, the trigger pump 320 is connected with the air pipe 400 and is used for receiving high-pressure gas and is triggered to drive the circuit breaking mechanism 330 to operate, and the circuit breaking mechanism 330 is used for controlling whether water flow can flow into the water pipe 100 through the second three-way pipe 310.
The second three-way pipe 310 can be divided into two sections, namely a horizontal section III and a vertical section III, one end of the horizontal section III is coaxially and fixedly connected and communicated with the water pipe 100, the other end of the horizontal section III is communicated with water supply equipment, the vertical section III is vertically fixed at the middle position of the horizontal section III, the vertical section III and the horizontal section III are connected and communicated, the vertical section III and the horizontal section III form a T-shaped structure together, and a mounting support is further arranged outside the second three-way pipe 310.
The trigger pump 320 comprises a trigger pump shell 321, a piston 324, a piston rod 325 and a first return spring 326, the trigger pump shell 321 is a circular shell structure with one open end and one closed end, the open end is matched with the pump cover, the axial direction of the trigger pump shell 321 is parallel to the axial direction of the water pipe 100, the trigger pump shell 321 is fixed on the mounting support, the open end of the trigger pump shell is close to the water pipe 100, the pump cover is further coaxially provided with a communicating nozzle 322, the communicating nozzle 322 is connected and communicated with the air pipe 400, and the closed end of the trigger pump shell 321 is further coaxially provided with an extending hole.
The piston 324 is arranged in the trigger pump shell 321 and forms a sealed sliding guide fit, the piston rod 325 and the trigger pump shell 321 are coaxially arranged, one end of the piston rod 325 is fixedly connected with the piston 324, the other end of the piston rod 325 passes through the extending hole and is positioned outside the trigger pump shell 321, one end of the first return spring 326 is abutted against the cavity bottom of the trigger pump shell 321, the other end of the first return spring 326 is abutted against the piston 324, and the elastic force of the first return spring 326 drives the piston 324 to move close to the pump cover.
A fixing hole is further formed in the outer portion of the trigger pump shell 321 and is located on one side, facing the pump cover, of the piston 324, and an air release plug 323 is mounted at the fixing hole in a matched mode; the bleeder plug 323 is prior art and will not be described in detail herein.
The motion state of the trigger pump 320 can be divided into an unfired state in which the piston rod 325 is stationary, a triggered state in which the piston rod 325 moves away from the pump cover, and an initial state of the trigger pump 320 is an unfired state.
When the water pipe 100 is normal, the high-pressure gas in the auto-induction breaking device 200 cannot flow into the trigger pump 320 through the air pipe 400, and the trigger pump 320 is in an un-triggered state;
when the water pipe 100 is damaged, the high-pressure gas in the auto-induction breaker 200 flows into the trigger pump 320 through the air pipe 400, so as to push the piston 324/piston rod 325 to move away from the pump cover, i.e. the trigger pump 320 is in a triggered state;
in addition, the user may remove the high pressure gas from the trigger pump 320 by pulling out the bleed closure 323.
Preferably, in the process that the water pipe 100 is damaged and the trigger pump 320 is switched to the triggered state, the piston 324/piston rod 325 moves away from the pump cover, so that air between the piston 324 and the trigger pump shell 321 is continuously compressed until the state switching process of the trigger pump 320 is affected, in order to solve the problem, the piston rod 325 is coaxially provided with an air release hole 3251 penetrating through the axial thickness of the piston rod 325, the outer circular surface of the piston rod 325 is provided with an air inlet hole 3252 and an air outlet hole 3253 communicated with the air release hole 3251, and the air inlet hole 3252 is close to the free end of the piston rod 324 and the air outlet hole 3253; during the process of switching the trigger pump 320 to the triggered state, air between the piston 324 and the trigger pump housing 321 is exhausted through the air inlet hole 3252, the air outlet hole 3251 and the air outlet hole 3253, and the air outlet hole 3253 is provided for exhausting air through the air outlet hole 3253 when the piston rod 325 contacts the breaking mechanism 330 and draws the breaking mechanism 330 to operate, so that the state switching of the trigger pump 320 is not affected.
The circuit breaking mechanism 330 comprises a driving member 3310 and a circuit breaking member 3320, wherein the circuit breaking member 3320 is used for controlling and determining whether water can flow to the water pipe 100 through the second tee 310, and the driving member 3310 is used for being triggered by the trigger pump 320 and drawing the circuit breaking member 3320 to operate so that water cannot flow to the water pipe 100 through the second tee 310.
The breaking member 3320 comprises a breaking valve core 3321 and a breaking valve rod, the breaking valve core 3321 is coaxially arranged in the vertical section III of the second three-way pipe 310 and can rotate around the axial direction of the breaking valve core 3321, a water through hole penetrating through the radial thickness of the breaking valve core 3321 and communicated with the horizontal section III of the second three-way pipe 310 is further formed in the outer circular surface of the breaking valve core 3321, the breaking valve rod is coaxially fixed on the end surface of the breaking valve core 3321 away from the horizontal section III of the second three-way pipe 310, a coil spring 3324 in a compressed state is further arranged between the breaking valve core 3321 and the second three-way pipe 310, the elasticity of the coil spring 3324 drives the breaking valve core 3321 to make the rotation trend of the water through hole and the horizontal section III of the second three-way pipe 310, and the rotation turns.
And an avoiding hole is formed in the outer circular surface of the third vertical section of the second three-way pipe 310 and is positioned on one side of the third vertical section, which is far away from the water pipe 100.
The broken circuit member 3320 further comprises a limiting disc 3322 and a limiting rod 3323, the limiting disc 3322 is of a ring structure, a connecting piece is arranged between the limiting disc 3322 and the broken circuit valve rod and is coaxially connected with the limiting disc 3322 and the broken circuit valve rod through the connecting piece, when the limiting disc 3322 axially displaces along the broken circuit valve rod, the broken circuit valve rod can continuously output power to the limiting disc 3322, and preferably, the connecting piece comprises a first internal spline arranged on the inner circular surface of the limiting disc 3322 and a first external spline arranged on the outer circular surface of the broken circuit valve rod.
The extending direction of the limiting rod 3323 is parallel to the axial direction of the water pipe 100, one end of the limiting rod 3323 is a limiting end and is positioned in the third vertical section of the second three-way pipe 310, the other end of the limiting rod 3323 is a fixed end and passes through the avoiding hole and is positioned outside the second three-way pipe 310, and the limiting rod 3323 and the avoiding hole form a sealed sliding guide fit.
The limiting device comprises a limiting groove arranged on the outer circular surface of the limiting disc 3322 and a limiting block 3323a fixed on the limiting end of the limiting rod 3323 and positioned in the limiting groove, the limiting block 3323a rotates along the forward rotation of the circuit breaker valve core 3321 and is a guide inclined surface, and the distance between the guide inclined surface and the notch of the limiting groove is gradually increased along the radial outward radiation direction of the limiting disc 3322.
The disconnected component 3320 still include connecting sleeve 3325, conflict dish 3326, reset spring three 3327, connecting sleeve 3325 is the loop configuration, be provided with the trace between connecting sleeve 3325 and the valve rod that opens circuit and carry out coaxial coupling through the trace between the two, and when connecting sleeve 3325 took place the displacement along the valve rod axial that opens circuit, the sustainable output power to the valve rod that opens circuit of connecting sleeve 3325, preferentially, the trace is including setting up in the internal spline two of connecting sleeve 3325 inner disc, set up in the external spline two of the valve rod outer disc that opens circuit, connecting sleeve 3325 be located directly over the restriction dish 3322 and between the two contact each other, the tip that connecting sleeve 3325 deviates from the restriction dish 3322 stretches out to the outside of second three-way pipe 310 and the matching installation handle that resets.
The abutting disc 3326 is coaxially fixed outside the trip valve rod and is located right below the limiting disc 3322, the three return springs 3327 are sleeved outside the portion of the trip valve rod located between the abutting disc 3326 and the limiting disc 3322, and the elastic force of the three return springs 3327 drives the limiting disc 3322 to move away from the abutting disc 3326.
The movement state of the breaking member 3320 may be divided into an on state in which the water passage hole is connected to the third horizontal section of the second three-way pipe 310, an off state in which the water passage hole is disconnected from the third horizontal section of the second three-way pipe 310, and an initial state of the breaking member 3320 is an on state.
When the water pipe 100 is normal, water flow can flow to the water pipe 100 through the second three-way pipe 310;
when the water pipe 100 is broken, the trigger pump 320 is triggered and switched to the triggered state, the piston rod 325 moves and pulls the restricting rod 3323 to move synchronously by the driving member 3310, so that the restricting block 3323a is disengaged from the restricting groove, and then the breaking spool 3321 rotates forward and the breaking member 3320 is switched to the cut-off state by the elastic force of the coil spring 3324; after the worker replaces the new water pipe 100, the worker manually rotates the reset handle and makes the reset handle rotate in a direction opposite to the forward rotation direction of the breaking valve core 3321, the reset handle rotates reversely and pulls the limiting disc 3322 to rotate reversely synchronously, the limiting block 3323a rotates along the forward rotation direction of the breaking valve core 3321 and the side surface positioned in the front is a guide inclined surface, so that the relation among the limiting rod 3323, the limiting piece and the limiting disc 3322 can be restored to the original state, and meanwhile, the reset handle rotates reversely and pulls the breaking valve core 3321 to rotate reversely synchronously, so that the breaking member 3320 is switched to the connection state;
when the water pipe 100 is not broken and the worker checks the water pipe 100 according to the specification, the worker manually pushes the reset handle downwards, so that the limiting disc 3322 moves close to the third horizontal section of the second three-way pipe 310, namely, the limiting block 3323a is separated from the limiting groove, so that the breaking member 3320 is switched to the cut-off state, and after the water pipe 100 is checked, the worker manually rotates the reset handle reversely, so that the breaking member 3320 is switched to the cut-on state.
Preferably, in the process that the worker manually rotates the reset handle reversely and switches the disconnecting member 3320 to the connected state, the worker cannot determine whether the limiting block 3323a is located in the limiting groove again, so as to cause adverse effects on the restoration of the disconnecting member 3320 to the connected state, and to solve this problem, a restraining member is disposed between the inner wall of the third vertical section of the second tee 310 and the outer circumferential surface of the limiting disc 3322, the restraining member includes a restraining groove 311 disposed on the inner wall of the third vertical section of the second tee 310, a restraining protrusion 3322a disposed on the outer circumferential surface of the limiting disc 3322, the restraining groove 311 is a groove structure coaxially disposed at a right angle with the third vertical section of the second tee 310, and the free end of the restraining protrusion 3322a is located in the restraining groove 311, and two restraining grooves, which are formed by the restraining groove 311 and are turned along the forward rotation groove wall 3321, are one or two restraining groove walls.
When the disconnecting member 3320 is switched to the disconnecting state, the restraining protrusion 3322a contacts with the restraining groove wall two of the restraining groove 311, and when the disconnecting member 3320 is switched to the connecting state, the restraining protrusion 3322a contacts with the restraining groove wall one of the restraining groove 311, that is, when the worker rotates the reset handle until the worker cannot rotate, the restraining protrusion 3322a contacts with the restraining groove wall one of the restraining groove 311, and at this time, the disconnecting member 3320 is switched to the connecting state.
The driving member 3310 includes the guide rod 3311, the fixing bracket 3312, the second return spring 3313, the guiding direction of the guide rod 3311 is parallel to the axial direction of the water pipe 100, and the guide rod 3311 is fixed on the mounting bracket and the guide rod 3311 is located at one side of the mounting bracket departing from the water pipe 100, the free end of the guide rod 3311 is provided with an abutting step.
The fixed support 3312 is movably mounted outside the guide rod 3311 and forms a sliding guide fit, the second return spring 3313 is sleeved outside a portion of the guide rod 3311 located between the fixed support 3312 and the abutting step, and the elastic force of the second return spring 3313 drives the fixed support 3312 to move close to the mounting support.
The fixed end of the restraining bar 3323 is fixedly coupled to the fixing bracket 3312, and a portion of the fixing bracket 3312 faces the piston rod 325 of the trigger pump 320.
When the water pipe 100 is broken, the piston rod 325 moves and contacts the fixing support 3312 while the trigger pump 320 is triggered and switched to the triggered state, and then the piston rod 325 moves and pulls the fixing support 3312/the restraining rod 3323 to move synchronously, thereby switching the breaking member 3320 to the cut-off state.
In actual operation, if the water pipe 100 is normal, the sensing valve 220 is in a blocking state, the pneumatic mechanism 210 is in a flowing state, the trigger pump 320 is in an unfired state, and the shut-off member 3320 is in a connected state, and water in the water supply equipment can flow into the water outlet equipment through the second three-way pipe 310, the water pipe 100, and the first three-way pipe 231.
If the water pipe 100 is in a damaged state, due to the existence of the one-way valve, the water flow cannot pass through the first three-way pipe 231, and at the same time, the induction valve 220 is switched to the ventilation state, the high-pressure gas in the pneumatic mechanism 210 flows into the trigger pump 320 through the induction valve 220 and the air pipe 400, and switches the trigger pump 320 to the triggered state, the trigger pump 320 is triggered, and the breaking member 3320 is switched to the cut-off state through the driving member 3310, and the water flow cannot pass through the second three-way pipe 310, so that the water flow between the water supply equipment and the water outlet equipment is cut off;
after the water pipe 100 is replaced by a worker, the worker manually switches the pneumatic mechanism 210 to a closed state, then pulls out the gas release plug 323 and releases high-pressure gas in the trigger pump 320, the trigger pump 320 is switched to an unfired state under the action of the elastic force of the return spring 326 in the worker, then the worker manually reverses to reset manually to switch the breaking member 3320 to a connected state, at the moment, water can flow into the first three-way pipe 231 through the second three-way pipe 310 and the water pipe 100, the induction valve 220 is switched to a blocking state under the action of hydrostatic pressure, and then the worker manually switches the pneumatic mechanism 210 to a flowing state, so that the connection relationship among the water pipe 100, the air pipe 400, the automatic induction breaking device 200 and the shutoff control valve 300 is restored to an original state.
If the water pipe 100 is normal but the worker needs to check the water pipe 100 as specified, the worker manually presses the reset handle to switch the breaking member 3320 to the off state, and after the water pipe 100 is checked, the worker manually reverses the reset handle to switch the breaking member 3320 to the on state.
Claims (8)
1. A water valve control assembly including a shutoff control valve (300), the shutoff control valve (300) being installed at an inlet port of a water pipe (100) and controlling whether the water pipe (100) can receive an external water source, characterized in that,
the interception control valve (300) comprises a second three-way pipe (310), a trigger pump (320) and a circuit breaking mechanism (330), the second three-way pipe (310) is connected and communicated with the water pipe (100), the trigger pump (320) is connected and communicated with the air pipe (400), the air pipe (400) is connected and communicated with a high-pressure air source, and a valve for controlling the high-pressure air source to circulate on the air pipe (400) is arranged on the air pipe (400);
the trigger pump (320) can receive high-pressure gas conveyed by the gas pipe (400) and is triggered to drive the circuit breaking mechanism (330) to operate, and the circuit breaking mechanism (330) is used for controlling whether water can flow into the water pipe (100) through the second three-way pipe (310);
the second three-way pipe (310) can be divided into two sections, namely a horizontal section III and a vertical section III, one end of the horizontal section III is coaxially and fixedly connected and communicated with the water pipe (100), the other end of the horizontal section III is communicated with water supply equipment, the vertical section III is vertically fixed at the middle position of the horizontal section III, the vertical section III and the horizontal section III are connected and communicated, the vertical section III and the horizontal section III and the water supply equipment form a T-shaped structure together, and a mounting support is further arranged outside the second three-way pipe (310);
the circuit breaking mechanism (330) comprises a driving component (3310) and a circuit breaking component (3320), wherein the circuit breaking component (3320) is used for controlling and determining whether water can flow to the water pipe (100) through the second three-way pipe (310), the driving component (3310) is used for being triggered by the trigger pump (320) and drawing the circuit breaking component (3320) to operate so that the water cannot flow to the water pipe (100) through the second three-way pipe (310); the breaking member (3320) comprises a breaking valve core (3321) and a breaking valve rod, the breaking valve core (3321) is coaxially arranged in the vertical section III of the second three-way pipe (310) and can rotate around the axial direction of the breaking valve core, a water through hole which penetrates through the radial thickness of the breaking valve core and can be communicated with the horizontal section III of the second three-way pipe (310) is further formed in the outer circular surface of the breaking valve core (3321), the breaking valve rod is coaxially fixed on the end surface, deviating from the horizontal section III of the second three-way pipe (310), of the breaking valve core (3321), a coil spring (3324) in a compressed state is further arranged between the breaking valve core (3321) and the second three-way pipe (310), the elastic force of the coil spring (3324) drives the breaking valve core (3321) to make the rotation trend of the water through hole and the horizontal section III of the second three-way pipe (310) disconnected, and the rotation;
an avoidance hole is formed in the outer circular surface of the third vertical section of the second three-way pipe (310) and is positioned on one side, away from the water pipe (100), of the third vertical section;
the broken circuit member (3320) further comprises a limiting disc (3322) and a limiting rod (3323), the limiting disc (3322) is of a ring structure, a connecting piece is arranged between the limiting disc (3322) and the broken circuit valve rod and is coaxially connected with the limiting disc (3322) and the broken circuit valve rod through the connecting piece, and when the limiting disc (3322) axially displaces along the broken circuit valve rod, the broken circuit valve rod can continuously output power to the limiting disc (3322);
the extending direction of the limiting rod (3323) is parallel to the axial direction of the water pipe (100), one end of the limiting rod (3323) is a limiting end and is positioned in the third vertical section of the second three-way pipe (310), the other end of the limiting rod is a fixed end and passes through the avoidance hole and is positioned outside the second three-way pipe (310), and the limiting rod (3323) and the avoidance hole form sealed sliding guide fit;
a limiting part is arranged between the limiting end of the limiting rod (3323) and the limiting disc (3322), the limiting part comprises a limiting groove arranged on the outer circular surface of the limiting disc (3322), and a limiting block (3323 a) fixed at the limiting end of the limiting rod (3323) and positioned in the limiting groove, the limiting block (3323 a) rotates along the positive rotation of the breaking valve core (3321) and is a guide inclined surface positioned on the side surface in the positive front, and the distance between the guide inclined surface and the notch of the limiting groove is gradually increased along the radial direction of the limiting disc (3322);
the broken circuit member (3320) further comprises a connecting sleeve (3325), a contact disc (3326) and a third reset spring (3327), the connecting sleeve (3325) is of a ring structure, a linkage piece is arranged between the connecting sleeve (3325) and the broken circuit valve rod and is coaxially connected with the connecting sleeve (3325) through the linkage piece, when the connecting sleeve (3325) axially displaces along the broken circuit valve rod, the connecting sleeve (3325) can continuously output power to the broken circuit valve rod, the connecting sleeve (3325) is positioned right above the limiting disc (3322) and is in contact with the limiting disc (3322), and the end part of the connecting sleeve (3325) deviating from the limiting disc (3322) extends out of the second three-way pipe (310) and is provided with a reset handle in a matching manner;
the contact disc (3326) is coaxially fixed outside the open circuit valve rod and located right below the limiting disc (3322), the return spring III (3327) is sleeved outside a part, located between the contact disc (3326) and the limiting disc (3322), of the open circuit valve rod, and the elastic force of the return spring III (3327) drives the limiting disc (3322) to move far away from the contact disc (3326).
2. A water valve control assembly as claimed in claim 1, wherein the coupling member comprises a first internal spline disposed on an inner circumferential surface of the restrictor disc (3322), a first external spline disposed on an outer circumferential surface of the trip valve stem;
the linkage piece comprises a second internal spline arranged on the inner circular surface of the connecting sleeve (3325) and a second external spline arranged on the outer circular surface of the open circuit valve rod.
3. The water valve control assembly as claimed in claim 1, wherein a restriction member is disposed between an inner wall of the third vertical section of the second tee (310) and an outer circumferential surface of the restriction plate (3322), the restriction member includes a restriction groove (311) disposed on the inner wall of the third vertical section of the second tee (310), and a restriction protrusion (3322 a) disposed on the outer circumferential surface of the restriction plate (3322), the restriction groove (311) is a right-angled groove structure coaxially disposed with the third vertical section of the second tee (310), a free end of the restriction protrusion (3322 a) is located in the restriction groove (311), and two groove walls of the restriction groove (311) which are forwardly turned along the forward rotation of the trip valve core (3321) are one/two restriction groove walls;
when the disconnecting member (3320) is switched to the disconnecting state, the restraining protrusion (3322 a) contacts the restraining groove wall II of the restraining groove (311), and when the disconnecting member (3320) is switched to the connecting state, the restraining protrusion (3322 a) contacts the restraining groove wall I of the restraining groove (311).
4. A water valve control assembly as claimed in claim 1, wherein the drive member (3310) comprises a guide rod (3311), a fixing bracket (3312) and a second return spring (3313), the guide rod (3311) has a guide direction parallel to the axial direction of the water pipe (100), the guide rod (3311) is fixed to the mounting bracket, the guide rod (3311) is located on a side of the mounting bracket facing away from the water pipe (100), and the free end of the guide rod (3311) is provided with an interference step;
the fixed support (3312) is movably arranged outside the guide rod (3311) to form sliding guide fit, the second reset spring (3313) is sleeved outside the part of the guide rod (3311) between the fixed support (3312) and the abutting step, and the elastic force of the second reset spring (3313) drives the fixed support (3312) to move close to the mounting support;
the fixed end of the limiting rod (3323) is fixedly connected with the fixed bracket (3312), and part of the fixed bracket (3312) is opposite to the piston rod (325) of the trigger pump (320).
5. The water valve control assembly according to claim 1, wherein the trigger pump (320) comprises a trigger pump housing (321), a piston (324), a piston rod (325) and a first return spring (326), the trigger pump housing (321) is a circular housing structure with an open end and a closed end, the open end is matched with the pump cover, the axial direction of the trigger pump housing (321) is parallel to the axial direction of the water pipe (100), the trigger pump housing (321) is fixed on the mounting bracket, the open end of the trigger pump housing is close to the water pipe (100), the pump cover is further coaxially provided with a connecting nozzle (322), the connecting nozzle (322) is connected and communicated with the air pipe (400), and the closed end of the trigger pump housing (321) is further coaxially provided with an extending hole.
6. A water valve control assembly as claimed in claim 5, wherein the piston (324) is disposed within the trigger pump housing (321) and forms a sealed sliding guide fit, the piston rod (325) is coaxially disposed with the trigger pump housing (321), one end of the piston rod (325) is fixedly connected to the piston (324), the other end of the piston rod passes through the protrusion hole and is located outside the trigger pump housing (321), one end of the first return spring (326) abuts against a cavity bottom of the trigger pump housing (321), the other end of the first return spring (326) abuts against the piston (324), and the elastic force of the first return spring (326) urges the piston (324) to move close to the pump cover.
7. The water valve control assembly as claimed in claim 6, wherein the trigger pump housing (321) is further provided with a fixing hole at an outer portion thereof, the fixing hole is located at a side of the piston (324) facing the pump cover, and the fixing hole is provided with a vent plug (323) in a matching manner.
8. The water valve control assembly as claimed in claim 7, wherein the piston rod (325) is coaxially provided with an air bleed hole (3251) penetrating through the axial thickness of the piston rod, an air inlet hole (3252) communicated with the air bleed hole (3251) and an air outlet hole (3253) are formed in the outer circumferential surface of the piston rod (325), and the air inlet hole (3252) is close to the piston (324) and the air outlet hole (3253) is close to the free end of the piston rod (325).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895972.4A CN110578828B (en) | 2019-09-22 | 2019-09-22 | Water valve control assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895972.4A CN110578828B (en) | 2019-09-22 | 2019-09-22 | Water valve control assembly |
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| Publication Number | Publication Date |
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| CN110578828A CN110578828A (en) | 2019-12-17 |
| CN110578828B true CN110578828B (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910895972.4A Active CN110578828B (en) | 2019-09-22 | 2019-09-22 | Water valve control assembly |
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| CN2851753Y (en) * | 2005-07-22 | 2006-12-27 | 赵鸣 | Remote control ball valve for gas pipe |
| CN201322132Y (en) * | 2008-12-18 | 2009-10-07 | 南京中电联自动化有限公司 | Improved pneumatic valve adjusting device |
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| CN109595359A (en) * | 2017-09-30 | 2019-04-09 | 上海欧尚包装机械有限公司 | A kind of pneumatic actuator rotary valve |
| CN110094567A (en) * | 2019-05-30 | 2019-08-06 | 宁波文泽机电技术开发有限公司 | A kind of electric three passes plug valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9212754B2 (en) * | 2013-03-12 | 2015-12-15 | A. Raymond Et Cie | Shape memory alloy valve |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851753Y (en) * | 2005-07-22 | 2006-12-27 | 赵鸣 | Remote control ball valve for gas pipe |
| CN201322132Y (en) * | 2008-12-18 | 2009-10-07 | 南京中电联自动化有限公司 | Improved pneumatic valve adjusting device |
| CN101852297A (en) * | 2009-04-02 | 2010-10-06 | 王涛 | Coil spring reset water-saving tap |
| CN109595359A (en) * | 2017-09-30 | 2019-04-09 | 上海欧尚包装机械有限公司 | A kind of pneumatic actuator rotary valve |
| CN110094567A (en) * | 2019-05-30 | 2019-08-06 | 宁波文泽机电技术开发有限公司 | A kind of electric three passes plug valve |
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| CN110578828A (en) | 2019-12-17 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Hongzhi Inventor after: Han Gaoyang Inventor after: Dong Liang Inventor after: Pan Changxia Inventor before: Pan Changxia |
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Effective date of registration: 20200526 Address after: 830001 No. 1117, Dingxiang East Street, ganquanbao economic and Technological Development Zone, Urumqi, Xinjiang Uygur Autonomous Region Applicant after: Xinjiang Herun Water Industry Co., Ltd Address before: Zhong Dian Xiang Yang Gong Miao Cun, Jin'an District, Lu'an City, Anhui Province Applicant before: Pan Changxia |
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