CN110939754A - Advection valve and water purification drinking water system with same - Google Patents

Advection valve and water purification drinking water system with same Download PDF

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Publication number
CN110939754A
CN110939754A CN201911367876.9A CN201911367876A CN110939754A CN 110939754 A CN110939754 A CN 110939754A CN 201911367876 A CN201911367876 A CN 201911367876A CN 110939754 A CN110939754 A CN 110939754A
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CN
China
Prior art keywords
water
pressure limiting
flow distribution
valve
cavity
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Pending
Application number
CN201911367876.9A
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Chinese (zh)
Inventor
吴瑞昌
佘群
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Guangdong Ji Bao Electrical Appliance Technology Co Ltd
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Guangdong Ji Bao Electrical Appliance Technology Co Ltd
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Priority to CN201911367876.9A priority Critical patent/CN110939754A/en
Publication of CN110939754A publication Critical patent/CN110939754A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20Excess-flow valves
    • F16K17/22Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/32Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/005Valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

The invention relates to a advection valve, which comprises a valve body, wherein a raw water inlet end, a pressure-limiting water outlet end, a flow distribution water inlet end and a flow distribution water outlet end are arranged on the valve body; the valve body is internally provided with a pressure limiting cavity for connecting a raw water inlet end and a pressure limiting water outlet end and a flow distribution cavity for connecting a flow distribution water inlet end and a flow distribution water outlet end, the flow distribution cavity is provided with a advection water outlet end, the pressure limiting cavity is provided with a advection water return end, and the advection water outlet end and the advection water return end are provided with one-way valve components for limiting water from flowing from the advection water outlet end to the advection water return end; the pressure limiting cavity is provided with a pressure limiting device, and a flow distributing device is arranged between the flow distributing water inlet end and the flow distributing water outlet end. The invention also relates to a water purifying and drinking system which comprises a water purifying device, a heating device, a hot water outlet device and a flat flow valve. The advection valve of the invention connects the water purifying device with the heating device to form a novel water purifying and drinking system which can return redundant purified water to the water purifying device.

Description

Advection valve and water purification drinking water system with same
Technical Field
The invention relates to the field of water supply systems, in particular to a water flow pressure limiting valve and a water purifying water dispenser with the same.
Background
The water purifier can filter tap water through the ultrafiltration filter element and the RO membrane to obtain tap water for people to drink, and the water supply flow of the conventional water purifier is generally 1-1.5L/min.
The water dispenser can heat water into warm water or boiled water for people to drink, and the heating power of the water dispenser is relatively constant, so that when the water dispenser is heated into the warm water or the boiled water, the water supply flow of the heating element needs to be adjusted through an adjusting valve or a water pump, and the water supply flow of the conventional water dispenser is generally 0.3-0.6L/min.
Because the water supply flow of the conventional water purifier is far greater than that of the conventional water dispenser, the conventional water dispenser is not suitable for being directly connected with the conventional water purifier through a pipeline, otherwise accidents such as pipe explosion, water leakage and the like are easy to occur. In the prior art, when the water tank and the water tank are connected, the water tank is generally arranged on the water dispenser to reduce the water supply flow, and the volume of the whole water dispenser becomes larger by adopting the scheme of arranging the water tank.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned disadvantages of the prior art, and to provide a smoothing valve which can connect a water purifying device to a heating device and can return surplus purified water to the water purifying device when the water purifying device supplies water to the heating device.
The purpose of the invention is realized as follows:
a advection valve comprises a valve body, wherein a raw water inlet end, a pressure-limiting water outlet end, a flow distribution water inlet end and a flow distribution water outlet end are arranged on the valve body;
the valve body is internally provided with a pressure limiting cavity for connecting a raw water inlet end and a pressure limiting water outlet end and a flow distribution cavity for connecting a flow distribution water inlet end and a flow distribution water outlet end, the flow distribution cavity is provided with a advection water outlet end, the pressure limiting cavity is provided with a advection water return end, and the advection water outlet end and the advection water return end are provided with one-way valve components for limiting water from flowing from the advection water outlet end to the advection water return end;
the pressure limiting cavity is provided with a pressure limiting device, the pressure limiting device is normally opened to conduct the raw water inlet end and the pressure limiting cavity, and the pressure limiting device can be gradually closed to gradually reduce or cut off the water supply pressure provided by the raw water inlet end to the pressure limiting cavity;
a flow distribution device is arranged between the flow distribution water inlet end and the flow distribution water outlet end, and the flow distribution device is normally closed to cut off the flow distribution water inlet end, the flow distribution water outlet end and the advection water outlet end;
when the flow distribution water outlet end absorbs water under negative pressure, the flow distribution device is opened, the water supply pressure of the flow distribution water inlet end is equal to the water outlet pressure of the flow distribution water outlet end, the flow distribution water inlet end is communicated with the flow distribution water outlet end through the flow distribution device to supply water to the flow distribution water outlet end, the water supply pressure of the flow distribution water inlet end is greater than the water outlet pressure of the flow distribution water outlet end, the flow distribution water inlet end is communicated with the flow distribution water outlet end through a flow distribution device to supply water to the flow distribution water outlet end, meanwhile, the flow distribution water inlet end supplies water to the advection water outlet end, the advection water return end and the pressure limiting cavity in sequence through the flow distribution device, the raw water inlet end and the horizontal flow backwater end are converged by the pressure-limiting cavity and then supply water to the pressure-limiting water outlet end, when the water supply pressure is greater than the required water supply pressure of the pressure-limiting water outlet end, the pressure-limiting device is gradually closed to gradually reduce the water supply pressure provided by the raw water inlet end to the pressure-limiting cavity until the water supply pressure of the pressure-limiting water outlet end after the pressure-limiting cavity converges is the same as the required water supply pressure of the pressure-limiting water outlet end of the converging water outlet end.
The pressure limiting device comprises a pressure limiting valve rod, a pressure sensing diaphragm, a pressure limiting valve port sealing ring and a pressure limiting reset device;
the pressure limiting valve rod is movably arranged in the pressure limiting cavity, the middle part and the tail part of the pressure limiting valve rod are provided with pressure limiting valve rod water grooves which are communicated with a raw water inlet end and the pressure limiting cavity, the pressure sensing diaphragm is arranged between the head part of the pressure limiting valve rod and the valve body in a sealing mode, the inner side surface of the pressure sensing diaphragm forms the inner wall surface of the pressure limiting cavity, the pressure limiting valve port sealing ring is arranged in the valve body and close to the tail part of the pressure limiting valve rod, the tail part of the pressure limiting valve rod forms a pressure limiting valve port which is used for conducting or cutting off the pressure limiting valve rod water grooves and the pressure limiting cavity, and the pressure;
the pressure limiting reset device is unfolded to enable the pressure limiting valve rod to move towards the tail part of the pressure limiting valve rod, so that the pressure limiting valve port is far away from the pressure limiting valve port sealing ring, the pressure limiting valve rod water tank and the pressure limiting cavity are conducted, the raw water inlet end and the advection return water end are converged to supply water to the pressure limiting water outlet end through the pressure limiting cavity, when the water supply pressure is larger than the required water supply pressure of the pressure limiting water outlet end, the pressure sensing diaphragm is pressed and compresses the pressure limiting reset device, the pressure limiting valve rod moves towards the head part of the pressure limiting valve rod, so that the pressure limiting valve port is gradually close to or abutted against the pressure limiting valve port sealing ring, and the conduction area of the pressure limiting valve rod water tank and the pressure limiting cavity is gradually reduced or.
A pressure limiting rod sealing ring used for sealing the head of the pressure limiting valve rod and the pressure limiting cavity is arranged in the valve body; the pressure-sensing diaphragm is connected with the head of the pressure-limiting valve rod through a pressure-limiting valve rod connecting support, and the valve cover is provided with a vent hole communicated with the outside.
The pressure limiting reset device is a pressure limiting reset spring, the outer side surface of the pressure sensing diaphragm is provided with a pressure limiting reset guide frame, and the pressure limiting reset spring is respectively abutted between the valve cover and the pressure limiting reset guide frame.
The flow distribution water inlet end is communicated with the flow distribution cavity at the tail end, the flow distribution water outlet end is communicated with the flow distribution cavity at the head end, the separating device is arranged between the flow distribution cavity at the head end and the flow distribution cavity at the tail end, and the flow distribution device comprises a flow distribution cavity, a flow distribution diaphragm, a flow distribution valve rod, a flow distribution valve port sealing ring, a flow distribution valve rod sealing ring and a flow distribution resetting device;
the flow distribution cavity is arranged in the valve body and is mutually separated from the flow distribution cavity, the flow distribution cavity is communicated with the advection water outlet end, the head end, the middle part and the tail end of the flow distribution valve rod are respectively and movably arranged in the flow distribution cavity at the head end, the flow distribution cavity at the tail end and the flow distribution cavity at the tail end, the flow distribution diaphragm is arranged between the head end of the flow distribution valve rod and the valve body, the inner side surface of the flow distribution diaphragm forms the inner wall surface of the flow distribution cavity at the head end, the outer side surface of the flow distribution diaphragm is communicated with the external atmosphere, the flow distribution valve rod sealing ring is arranged in the flow distribution cavity at the valve body or the head end, the head end of the flow distribution valve rod is provided with a first flow distribution groove for communicating the flow distribution cavity at the head end and the flow distribution;
the split-flow valve port is separated from the split-flow valve port sealing ring or abutted to enable the second split-flow groove to be communicated or cut off with the distribution cavity at the tail end, and the split-flow resetting device is abutted between the tail end of the split-flow valve rod and the valve body;
when negative pressure water absorption exists in the distributing cavity at the water outlet end and the head end of the distributing valve, the distributing diaphragm retracts inwards to drive the distributing valve rod to move in the positive direction and compress the distributing resetting device, the first distributing groove and the distributing valve rod sealing ring are close to each other to enable the distributing cavity at the head end to be communicated with the distributing cavity, meanwhile, the shunting valve port is separated from the sealing ring of the shunting valve port to lead the second shunting groove to be communicated with the flow distribution cavity at the tail end, and then the flow distribution water inlet end is respectively communicated with the advection water outlet end and the flow distribution water outlet end through the flow distribution cavity, the water supply pressure of the flow distribution water inlet end is equal to the water outlet pressure of the flow distribution water outlet end, the flow distribution water inlet end is communicated with the flow distribution water outlet end through the flow distribution cavity and supplies water to the flow distribution water outlet end, the water supply pressure of the flow distribution water inlet end is greater than the water outlet pressure of the flow distribution water outlet end, the flow distribution water inlet end is communicated with the flow distribution water outlet end through the flow distribution cavity and supplies water to the flow distribution water outlet end, and meanwhile, the flow distribution water inlet end supplies water to the advection water outlet end through the flow distribution cavity; when the distributing cavity at the water distributing and discharging end and the head end stops negative pressure water absorption, the distributing reset device resets to drive the distributing valve rod to move in the opposite direction, the first distributing groove is separated from the distributing valve rod sealing ring to cut off the distributing cavity at the head end from the distributing cavity, meanwhile, the distributing valve port and the distributing valve port sealing ring are abutted and sealed to cut off the second distributing groove from the second distributing cavity, and then the water distributing and feeding end is respectively cut off from the water distributing and discharging end and the advection water discharging end.
The valve body is covered with a valve cover, the outer edge part of the shunting diaphragm is sealed and connected between the valve body and the valve cover, and the valve cover is provided with a through hole communicated with the outside; the middle part of the inner side surface of the shunting diaphragm is connected with the head end of the shunting valve rod through a shunting valve rod connecting support, and the shunting valve rod connecting support at least wraps the head end of the shunting valve rod; the shunting resetting device is a shunting resetting spring which is respectively abutted between the tail end of the shunting valve rod and the inner wall of the valve body or the flow distribution cavity at the tail end.
The check valve component comprises a check valve seat which is arranged between the advection water outlet end and the advection water return end in a sealing mode, and the check valve seat is provided with a check channel, a check valve plate and a check spring, wherein the check valve plate is used for closing or opening the check channel.
And a microporous channel for communicating the horizontal flow backwater end with the flow distribution cavity at the head end is arranged on the one-way valve seat or the valve body.
The invention also provides a water purifying and drinking system, which can connect the water purifying device with the heating device, and can return redundant purified water to the water purifying device when the water purifying device supplies water to the heating device.
A water purifying and drinking system comprises a water purifying device, a heating device and a hot water outlet device and is characterized by further comprising the advection valve, wherein the water inlet end of the water purifying device is connected with the pressure-limiting water outlet end of the advection valve, the water outlet end of the water purifying device is connected with the flow distribution and water inlet end of the advection valve, the water inlet end of the heating device is connected with the flow distribution and water outlet end of the advection valve, and the water outlet end of the heating device is connected with the water inlet end of the hot water outlet device.
The water purifying and drinking system further comprises a cold water outlet device, and the water inlet end of the cold water outlet device is connected between the water outlet end of the water purifying device and the flow distribution and inlet end of the flow equalizing valve.
The invention has the following beneficial effects:
the advection valve can directly connect the water purifier with the heating device, the water supply pressure after the confluence of the pressure limiting cavity is the same as the water supply pressure of the pressure limiting water outlet end through the pressure limiting device, namely, the pressure limiting device controls the water inlet pressure of raw water provided by the raw water inlet end to the pressure limiting cavity according to the water inlet pressure of the advection return water end, and when the water purifier supplies water to the heating device, the water purifier can return redundant purified water to the water purifier.
The advection valve constitutes neotype water purification drinking water system after being connected purifier and heating device, need not to set up the water tank again, reduces the complete machine volume, reduces manufacturing cost, and purifier can flow back to purifier again to the unnecessary water purification of heating device output, practices thrift the water source, and after the water of purifying flows back to purifier again, it is minimum to purifier's life-span influence, effectively improves purifier's filter core life.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a smoothing valve according to the present invention.
Fig. 2 is a schematic structural diagram of a water purifying and drinking system according to a first embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
First embodiment
Referring to fig. 1, the advection valve comprises a valve body, wherein a raw water inlet end a for connecting with a raw water source, a pressure-limiting water outlet end b for connecting with a water inlet end of a water purifier 100, a flow distribution water inlet end c for connecting with a water outlet end of the water purifier 100 and a flow distribution water outlet end d for connecting with a water inlet end of a water dispenser heating device 200 (provided with a water pump) are arranged on the valve body;
the valve body is internally provided with a pressure limiting cavity 10 for connecting a raw water inlet end a and a pressure limiting water outlet end b and a flow distribution cavity 11 for connecting a flow distribution water inlet end c and a flow distribution water outlet end d, the flow distribution cavity 11 is provided with a advection water outlet end e, the pressure limiting cavity 10 is provided with a advection water return end f, and the advection water outlet end e and the advection water return end f are provided with one-way valve components for limiting water to flow from the advection water outlet end e to the advection water return end f;
the pressure limiting cavity 10 is provided with a pressure limiting device, the pressure limiting device is normally opened to conduct the raw water inlet end a and the pressure limiting cavity 10, and the pressure limiting device can be gradually closed to gradually reduce or cut off the water supply pressure provided by the raw water inlet end a to the pressure limiting cavity 10;
a flow distribution device is arranged between the flow distribution water inlet end c and the flow distribution water outlet end d, and the flow distribution device is normally closed to cut off the flow distribution water inlet end c, the flow distribution water outlet end d and the advection water outlet end e;
more specifically, when the heating device 200 is in operation, under the pumping action of the water pump, the water distribution outlet end d generates negative pressure water absorption, the water distribution device is opened, when the water supply pressure of the water distribution inlet end c is equal to the water outlet pressure of the water distribution outlet end d, the water distribution inlet end c is communicated with the water distribution outlet end d through the water distribution device to supply water to the water distribution outlet end d, and at this time, the water purifying device 100 directly supplies water to the heating device 200; when the water supply pressure of the water distribution inlet end c is greater than the water outlet pressure of the water distribution outlet end d, the water distribution inlet end c is communicated with the water distribution outlet end d through the water distribution device and supplies water to the water distribution outlet end d, and meanwhile, the water distribution inlet end c supplies water to the advection outlet end e, the advection backwater end f and the pressure limiting cavity 10 through the water distribution device in sequence, at this time, the water purification device 100 supplies water to the heating device 200, because the water supply pressure of the water purification device 100 is greater than the pressure required by the heating device 200, a part of the water supply of the water purification device 100 flows to the heating device 200, and the other part of the water supply flows back to the water purification device 100 through the advection outlet end e, the advection backwater end f and the pressure limiting outlet end b in sequence, specifically, the raw water inlet end a and the advection backwater end f jointly converge through the pressure limiting cavity 10 and then supplies water to the pressure limiting outlet end b, and the water supply, the pressure limiting device is gradually closed to gradually reduce the water supply pressure provided by the raw water inlet end a to the pressure limiting cavity 10 until the water supply pressure of the pressure limiting water outlet end b after the pressure limiting cavity 10 converges is the same as the required water supply pressure of the pressure limiting water outlet end b of the converging water outlet end c.
The advection valve can directly connect the water purifier 100 and the heating device 200, and the pressure limiting device enables the water supply pressure after the pressure limiting cavity 10 converges to be the same as the water supply pressure of the pressure limiting water outlet end b, namely the pressure limiting device controls the raw water inlet water pressure provided by the raw water inlet end a to the pressure limiting cavity 10 according to the water inlet pressure reflowed from the advection water inlet end f, so that when the water purifier 100 supplies water to the heating device 200, the excessive purified water can be reflowed to the water purifier.
Further, the pressure limiting device comprises a pressure limiting valve rod 21, a pressure sensing diaphragm 22, a pressure limiting valve port sealing ring 23 and a pressure limiting resetting device; the pressure sensing diaphragm 22 is made of flexible material, can deform under stress, can change the water pressure in the distribution cavity 11 and the pressure limiting cavity 10 for many times according to the actual working change of the heating device 2 when the advection valve works, can change the deformation strength along with the water pressure change in the pressure limiting cavity 10 because the pressure sensing diaphragm 22 is made of flexible variable material, and finally ensures that the water supply pressure converged in the pressure limiting cavity 10 is the same as the water supply pressure required by the pressure limiting water outlet end b again due to the deformation of the pressure sensing diaphragm, so the generation of high-frequency vibration can be effectively eliminated;
the pressure limiting valve rod 21 is movably arranged in the pressure limiting cavity 10, the middle part and the tail part of the pressure limiting valve rod are provided with pressure limiting valve rod water grooves 24 which are used for being communicated with the raw water inlet end a and the pressure limiting cavity 10, the pressure sensing diaphragm 22 is hermetically arranged between the head part of the pressure limiting valve rod 21 and the valve body, the inner side surface of the pressure sensing diaphragm 22 forms the inner wall surface of the pressure limiting cavity 10, the pressure limiting valve port sealing ring 23 is arranged in the valve body and is close to the tail part of the pressure limiting valve rod 21, the tail part of the pressure limiting valve rod 21 forms a pressure limiting valve port 25 which is used for conducting or cutting off the pressure limiting valve rod water groove 24 and the pressure limiting cavity 10, and the pressure limiting reset device is abutted against the outer side surface of the pressure sensing diaphragm 22 and;
the pressure-limiting resetting device is unfolded to enable the pressure-limiting valve rod 21 to move towards the tail part direction of the pressure-limiting valve rod, so that the pressure-limiting valve port 25 is far away from the pressure-limiting valve port sealing ring 23, so as to conduct the pressure-limiting valve rod water tank 24 and the pressure-limiting cavity 10, the raw water inlet end a and the horizontal flow water return end f are converged by the pressure-limiting cavity 10 and then supply water to the pressure-limiting water outlet end b, when the water supply pressure is higher than the water supply pressure needed by the pressure-limiting water outlet end b, the pressure-sensing diaphragm 22 is pressed and compresses the pressure-limiting resetting device, so that the pressure-limiting valve rod 21 moves towards the head direction thereof, and the pressure-limiting valve port 25 gradually approaches or abuts against the pressure-limiting valve port sealing ring 23, so as to gradually reduce the conduction area between the pressure limiting valve rod water tank 24 and the pressure limiting cavity 10 or cut off the pressure limiting valve rod water tank 24 and the pressure limiting cavity 10, therefore, the pressure limiting device controls the raw water inlet water pressure provided by the raw water inlet end a to the pressure limiting cavity 10 according to the confluence water inlet pressure of the horizontal flow water return end f.
Furthermore, a pressure limiting rod sealing ring 26 for sealing the head of the pressure limiting valve rod 21 and the pressure limiting cavity 10 is arranged in the valve body, so that the valve body and the pressure limiting valve rod 21 can be assembled and sealed conveniently; the pressure limiting valve is characterized in that the valve body is covered with the valve cover 12, the outer edge part of the pressure sensing diaphragm 22 is sealed and connected between the pressure limiting valve main body 1 and the valve cover 12, the middle part of the inner side surface of the pressure sensing diaphragm 22 is connected with the head part of the pressure limiting valve rod 21 through the pressure limiting valve rod connecting support 29, the pressure limiting valve rod connecting support 29 can increase the contact area with the inner side surface of the pressure sensing diaphragm 12, the stress is more uniform, and the valve cover 12 is provided with the vent hole 122 communicated with the outside so as to be convenient for restoring pressure balance with the outside atmosphere and help the pressure.
Further, the pressure limiting reset device is a pressure limiting reset spring 27, the outer side surface of the pressure sensing diaphragm 22 is provided with a pressure limiting reset guide frame 121, the pressure limiting reset spring 27 respectively abuts between the valve cover 12 and the pressure limiting reset guide frame 121, the pressure limiting reset spring 27 expands or contracts in the pressure limiting reset guide frame 121, the movement of the pressure sensing diaphragm 22 is more stable, the pressure sensing diaphragm 22 can uniformly disperse pressure to the pressure limiting reset guide frame 121 when being stressed, the phenomenon of 'air blowing ball' (namely bubbling of the pressure sensing diaphragm 22) is avoided, the pressure limiting valve rod 21 enables the pressure limiting valve port 25 to be far away from the pressure limiting valve port sealing ring 13 under the action of the pressure limiting reset spring 27, and therefore the normal opening of the pressure limiting device is achieved.
Furthermore, the flow distribution water inlet end c is communicated with the flow distribution cavity 11 at the tail end, the flow distribution water outlet end d is communicated with the flow distribution cavity 11 at the head end, the separating device is arranged between the flow distribution cavity 11 at the head end and the flow distribution cavity 11 at the tail end, the flow distribution device comprises a flow distribution cavity 30, a flow distribution diaphragm 33, a flow distribution valve rod 34, a flow distribution valve port sealing ring 35, a flow distribution valve rod sealing ring 36 and a flow distribution resetting device, and the flow distribution diaphragm 33 is made of flexible materials and can deform under stress;
the flow distribution cavity 30 is arranged in the valve body and is mutually separated from the flow distribution cavity 11, the flow distribution cavity 30 is communicated with a advection water outlet end e, the head end, the middle part and the tail end of the flow distribution valve rod 34 are respectively movably arranged in the flow distribution cavity 11 at the head end, the flow distribution cavity 30 and the flow distribution cavity 11 at the tail end, the flow distribution diaphragm 33 is arranged between the head end of the flow distribution valve rod 34 and the valve body, the inner side surface of the flow distribution diaphragm 33 forms the inner wall surface of the flow distribution cavity 11 at the head end, the outer side surface of the flow distribution diaphragm 33 is communicated with the external atmosphere, the flow distribution valve rod sealing ring 36 is arranged in the valve body or the flow distribution cavity 11 at the head end, the head end of the flow distribution valve rod 34 is provided with a first flow distribution groove 340 for communicating the flow distribution cavity 30 and the flow distribution cavity 11 at the head end, and the first flow distribution groove;
the diversion valve port sealing ring 35 is installed in the distribution chamber 11 at the tail end and is close to the tail end of the diversion valve rod 34, a second diversion groove 342 for communicating the diversion chamber 30 with the distribution chamber 11 at the tail end is arranged in the middle of the diversion valve rod 34, a diversion valve port 341 is formed at the tail end of the diversion valve rod 34, the diversion valve port 341 is separated from the diversion valve port sealing ring 35 or abutted to enable the second diversion groove 342 to be communicated or cut off with the distribution chamber 11 at the tail end, and the diversion resetting device is abutted to be arranged between the tail end of the diversion valve rod 34 and the valve body;
when the distribution cavity 11 at the head end and the distribution water outlet end d have negative pressure water absorption, the diversion diaphragm 33 contracts inwards to drive the diversion valve rod 34 to move in the positive direction and compress the diversion resetting device, the first diversion groove 340 and the diversion valve rod sealing ring 36 approach to enable the distribution cavity 11 at the head end to be communicated with the diversion cavity 30, the diversion valve port 341 and the diversion valve port sealing ring 35 are separated to enable the second diversion groove 342 to be communicated with the distribution cavity 11 at the tail end, the distribution water inlet end c is respectively communicated with the advection water outlet end e and the distribution water outlet end d through the distribution cavity 11, the water supply pressure of the distribution water inlet end c is equal to the water outlet pressure of the distribution water outlet end d, the distribution water inlet end c is communicated with the distribution water outlet end d through the distribution cavity 11 to supply water to the distribution water outlet end d, the water supply pressure of the distribution water inlet end c is greater than the water outlet pressure of the distribution water outlet end d, the distribution water inlet end c is communicated with the distribution water outlet end d, Water is supplied to the flow distribution water outlet end d, and simultaneously, the flow distribution water inlet end c supplies water to the advection water outlet end e through the flow distribution cavity 11; when the distributing water outlet end d and the distributing cavity 11 at the head end stop sucking water under negative pressure, the distributing reset device resets to drive the distributing valve rod 34 to move in the opposite direction, the first distributing groove 340 is separated from the distributing valve rod sealing ring 36 to cut off the distributing cavity 11 at the head end from the distributing cavity 30, the distributing valve port 341 is abutted against the distributing valve port sealing ring 35 to seal off the second distributing groove 342 from the second distributing cavity 22, and then the distributing water inlet end c is respectively cut off from the distributing water outlet end d and the advection water outlet end e.
Furthermore, the valve body is covered with a valve cover 12, the outer edge part of the shunting diaphragm 33 is sealed and connected between the valve body and the valve cover 12, the valve cover 12 is provided with a through hole 123 communicated with the outside, and the through hole 123 facilitates the restoration of the shunting diaphragm 33 under the action of atmosphere to reset the shunting valve rod 34; the middle part of the inner side surface of the shunt diaphragm 33 is connected with the head end of the shunt valve rod 34 through a shunt valve rod connecting support 38, and the shunt valve rod connecting support 38 at least wraps the head end of the shunt valve rod 34; the shunting resetting device is a shunting resetting spring 37 which is respectively abutted between the tail end of the shunting valve rod 34 and the inner wall of the valve body or the distributing cavity 11 at the tail end. The valve cover 12 facilitates assembly of the valve body and the division diaphragm 33, and prevents the division diaphragm 33 from being exposed, effectively protecting the division diaphragm 33.
Further, the check valve assembly comprises a check valve seat 41 which is hermetically arranged between the advection water outlet end e and the advection water return end f, the check valve seat 41 is provided with a check passage 42, a check valve plate 43 for closing or opening the check passage 42, and a check spring 44, and the structure is a conventional structure of the check valve assembly, and can be understood by those skilled in the art.
Furthermore, a microporous channel 45 for communicating the flat flow backwater end f with the flow distribution cavity 11 at the head end is arranged on the one-way valve seat 41 or the valve body. Under the action of the microporous channel 45, when the heating device 200 is closed after water is used, a small amount of water remained in the advection water outlet end e can flow back to the flow distribution cavity 11 at the head end through the microporous channel 45, so that the recovery of the flow distribution diaphragm 33 is accelerated, and the flow distribution valve rod 34 is reset more quickly. The water flow that micropore passageway 45 can circulate is less than the water flow that distribution outlet end d can circulate far away, consequently can not influence the practicality of concora crush valve, moreover, can also further set up the one-way valve block at micropore passageway 45, prevent that the water in micropore passageway 45, the distribution chamber 11 from streaming and influencing the normal use of concora crush valve, and the technical personnel in the field all can understand.
Referring to fig. 2, a water purifying and drinking system comprises a water purifying device 100, a heating device 200, a hot water outlet device 300 and a advection valve as described above, wherein the water inlet end of the water purifying device 100 is connected with a pressure-limiting water outlet end b of the advection valve, the water outlet end of the water purifying device 100 is connected with a flow distribution water inlet end c of the advection valve, the water inlet end of the heating device 200 is connected with a flow distribution water outlet end d of the advection valve, the water outlet end of the heating device 200 is connected with the water inlet end of the hot water outlet device 300, and a water inlet source is connected with a raw water inlet end a. The advection valve constitutes neotype water purification drinking water system after being connected purifier 100 with heating device 200, need not to set up the water tank again, reduces the complete machine volume, reduces manufacturing cost, and purifier 100 can flow back to purifier again to the unnecessary water purification of heating device 200 output, practices thrift the water source, and after the water of purifying flows back to purifier again, it is minimum to purifier's life-span influence, effectively improves purifier's filter core life.
Further, the water purifying and drinking system further comprises a cold water outlet device 400, wherein a water inlet end of the cold water outlet device 400 is connected between a water outlet end of the water purifying device 100 and a flow distribution and water inlet end c of the advection valve. When a user needs to use cold water, the cold water outlet device 400 is directly opened, the water purifying device 100 directly supplies water to the cold water outlet device 400, the water does not flow into the flat flow valve and the heating device 200 again, when the cold water and the hot water are used together, negative pressure is generated by the heating device 200 to absorb water, so that the water purifying device 100 preferentially supplies water to the heating device 200 and then supplies water to the cold water outlet device 400, and if the common water outlet pressure of the cold water and the hot water is consistent with the water supply pressure of the water purifying device 200, water cannot flow back to the water purifying and supplying device 100 through the flat flow valve.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A advection valve comprises a valve body and is characterized in that a raw water inlet end (a), a pressure-limiting water outlet end (b), a flow and water distribution inlet end (c) and a flow and water distribution outlet end (d) are arranged on the valve body;
the valve body is internally provided with a pressure limiting cavity (10) used for connecting a raw water inlet end (a) and a pressure limiting water outlet end (b) and a flow distribution cavity (11) used for connecting a flow distribution water inlet end (c) and a flow distribution water outlet end (d), the flow distribution cavity (11) is provided with a horizontal flow water outlet end (e), the pressure limiting cavity (10) is provided with a horizontal flow water outlet end (f), and the horizontal flow water outlet end (e) and the horizontal flow water outlet end (f) are provided with one-way valve components used for limiting water to flow from the horizontal flow water outlet end (e) to the horizontal flow water outlet end (f);
the pressure limiting cavity (10) is provided with a pressure limiting device, the pressure limiting device is normally opened to conduct the raw water inlet end (a) and the pressure limiting cavity (10), and the pressure limiting device can be gradually closed to gradually reduce or cut off the water supply pressure provided by the raw water inlet end (a) to the pressure limiting cavity (10);
a flow distribution device is arranged between the flow distribution water inlet end (c) and the flow distribution water outlet end (d), and the flow distribution device is normally closed to cut off the flow distribution water inlet end (c), the flow distribution water outlet end (d) and the advection water outlet end (e);
when the flow distribution water outlet end (d) absorbs water under negative pressure, the flow distribution device is opened, the flow distribution water inlet end (c) is communicated with the flow distribution water outlet end (d) through the flow distribution device and supplies water to the flow distribution water outlet end (d), meanwhile, the flow distribution water inlet end (c) supplies water to the advection water outlet end (e), the advection backwater end (f) and the pressure limiting cavity (10) in sequence through the flow distribution device, and the raw water inlet end (a) and the advection backwater end (f) supply water to the pressure limiting water outlet end (b) after converging through the pressure limiting cavity (10).
2. The advection valve of claim 1, wherein: the pressure limiting device comprises a pressure limiting valve rod (21), a pressure sensing diaphragm (22), a pressure limiting valve port sealing ring (23) and a pressure limiting reset device;
the pressure limiting valve rod (21) is movably arranged in the pressure limiting cavity (10), a pressure limiting valve rod water groove (24) which is used for being communicated with the raw water inlet end (a) and the pressure limiting cavity (10) is arranged in the middle and at the tail of the pressure limiting valve rod (21), the pressure sensing diaphragm (22) is hermetically arranged between the head of the pressure limiting valve rod (21) and the valve body, the inner side surface of the pressure sensing diaphragm (22) forms the inner wall surface of the pressure limiting cavity (10), the pressure limiting valve port sealing ring (23) is arranged in the valve body and is close to the tail of the pressure limiting valve rod (21), the tail of the pressure limiting valve rod (21) forms a pressure limiting valve port (25) which is used for conducting or cutting off the pressure limiting valve rod water groove (24) and the pressure limiting cavity (10), and the pressure limiting reset device is abutted;
the pressure limiting reset device is unfolded to enable the pressure limiting valve rod (21) to move towards the tail part direction of the pressure limiting valve rod, so that the pressure limiting valve port (25) is far away from the pressure limiting valve port sealing ring (23), the pressure limiting valve rod water tank (24) and the pressure limiting cavity (10) are conducted, the raw water inlet end (a) and the horizontal flow backwater end (f) are converged through the pressure limiting cavity (10) and then supply water to the pressure limiting water outlet end (b), when the water supply pressure is larger than the required water supply pressure of the pressure limiting water outlet end (b), the pressure sensing diaphragm (22) is pressed and compresses the pressure limiting reset device, the pressure limiting valve rod (21) moves towards the head part direction of the pressure limiting valve rod, so that the pressure limiting valve port (25) is gradually close to or abutted against the pressure limiting valve port sealing ring (23), and the conduction area of the pressure limiting valve rod water tank (24) and the pressure limiting cavity (10) is gradually reduced or the pressure limiting.
3. The advection valve of claim 2, wherein: a pressure limiting rod sealing ring (26) used for sealing the head of the pressure limiting valve rod (21) and the pressure limiting cavity (10) is arranged in the valve body; the pressure limiting valve is characterized in that a valve cover (12) is connected to the valve body in a covering mode, the outer edge portion of a pressure sensing diaphragm (22) is connected between the pressure limiting valve main body (1) and the valve cover (12) in a sealing mode, the middle of the inner side face of the pressure sensing diaphragm (22) is connected with the head of a pressure limiting valve rod (21) through a pressure limiting valve rod connecting support (29), and a vent hole (122) communicated with the outside is formed in the valve cover (12).
4. The advection valve of claim 2, wherein: the pressure limiting reset device is a pressure limiting reset spring (27), the outer side surface of the pressure sensing diaphragm (22) is provided with a pressure limiting reset guide frame (121), and the pressure limiting reset spring (27) is respectively abutted between the valve cover (12) and the pressure limiting reset guide frame (121).
5. The advection valve of claim 1, wherein: the flow distribution and inlet end (c) is communicated with the flow distribution cavity (11) at the tail end, the flow distribution and outlet end (d) is communicated with the flow distribution cavity (11) at the head end, the separating device is arranged between the flow distribution cavity (11) at the head end and the flow distribution cavity (11) at the tail end, and the flow distribution device comprises a flow distribution cavity (30), a flow distribution diaphragm (33), a flow distribution valve rod (34), a flow distribution valve port sealing ring (35), a flow distribution valve rod sealing ring (36) and a flow distribution resetting device;
the flow distribution cavity (30) is arranged in the valve body and is mutually separated from the flow distribution cavity (11), the flow distribution cavity (30) is communicated with a advection water outlet end (e), the head end, the middle part and the tail end of the flow distribution valve rod (34) are respectively and movably arranged in the flow distribution cavity (11) at the head end, the flow distribution cavity (30) and the flow distribution cavity (11) at the tail end, the flow distribution diaphragm (33) is arranged between the head end of the flow distribution valve rod (34) and the valve body, the inner side surface of the flow distribution diaphragm (33) forms the inner wall surface of the flow distribution cavity (11) at the head end, the outer side surface of the flow distribution diaphragm (33) is communicated with the external atmosphere, the flow distribution valve rod sealing ring (36) is arranged in the flow distribution cavity (11) at the valve body or the head end, the head end of the flow distribution valve rod (34) is provided with a first flow distribution groove (340) for communicating the flow distribution cavity (11) at the head end with the flow distribution cavity (30) and the head end, and the first flow distribution groove Switching on or off;
the flow dividing valve port sealing ring (35) is installed in the flow distributing cavity (11) at the tail end and is close to the tail end of the flow dividing valve rod (34), a second flow dividing groove (342) used for communicating the flow dividing cavity (30) with the flow distributing cavity (11) at the tail end is arranged in the middle of the flow dividing valve rod (34), a flow dividing valve port (341) is formed at the tail end of the flow dividing valve rod (34), the flow dividing valve port (341) is separated from the flow dividing valve port sealing ring (35) or is abutted to enable the second flow dividing groove (342) to be communicated or cut off with the flow distributing cavity (11) at the tail end, and the flow dividing resetting device is abutted to be arranged between the tail end of the;
when negative pressure water absorption exists at the distributing water outlet end (d) and the distributing cavity (11) at the head end, the distributing diaphragm (33) contracts inwards to drive the distributing valve rod (34) to move towards the positive direction and compress the distributing reset device, the first distributing groove (340) and the distributing valve rod sealing ring (36) are close to enable the distributing cavity (11) at the head end to be communicated with the distributing cavity (30), the distributing valve port (341) is separated from the distributing valve port sealing ring (35) to enable the second distributing groove (342) to be communicated with the distributing cavity (11) at the tail end, then the distributing water inlet end (c) is respectively communicated with the advection water outlet end (e) and the distributing water outlet end (d) through the distributing cavity (11), when the distributing cavity (11) at the distributing water outlet end (d) and the head end stops negative pressure water absorption, the distributing reset device resets to drive the distributing valve rod (34) to move towards the negative direction, the first distributing groove (340) is separated from the head end to enable the distributing cavity (30) to be cut off the distributing cavity (11) and the distributing cavity, meanwhile, the shunt valve port (341) and the shunt valve port sealing ring (35) are abutted and sealed to cut off the second shunt groove (342) and the second shunt cavity (22), and then the flow distribution water inlet end (c) is respectively cut off from the flow distribution water outlet end (d) and the advection water outlet end (e).
6. The flat flow valve of claim 5, wherein: the valve body is covered with a valve cover (12), the outer edge part of the shunting diaphragm (33) is sealed and connected between the valve body and the valve cover (12), and the valve cover (12) is provided with a through hole (123) communicated with the outside; the middle part of the inner side surface of the shunting diaphragm (33) is connected with the head end of the shunting valve rod (34) through a shunting valve rod connecting support (38), and the shunting valve rod connecting support (38) at least wraps the head end of the shunting valve rod (34); the shunting resetting device is a shunting resetting spring (37) which is respectively abutted between the tail end of the shunting valve rod (34) and the inner wall of the valve body or the valve cavity (11) at the tail end.
7. The advection valve of claim 1, wherein: the check valve assembly comprises a check valve seat (41) which is arranged between a advection water outlet end (e) and a advection water return end (f) in a sealing mode, wherein the check valve seat (41) is provided with a check channel (42), a check valve plate (43) used for closing or opening the check channel (42) and a check spring (44).
8. The flat flow valve of claim 7, wherein: and a microporous channel (45) for communicating the horizontal flow backwater end (f) with the flow distribution cavity (11) is arranged on the one-way valve seat (41) or the valve body.
9. A water purifying and drinking system, comprising a water purifying device (100), a heating device (200), and a hot water outlet device (300), and further comprising the advection valve according to any one of claims 1 to 8, wherein the water inlet end of the water purifying device (100) is connected with the pressure-limiting water outlet end (b) of the advection valve, the water outlet end of the water purifying device (100) is connected with the flow-distributing water inlet end (c) of the advection valve, the water inlet end of the heating device (200) is connected with the flow-distributing water outlet end (d) of the advection valve, and the water outlet end of the heating device (200) is connected with the water inlet end of the hot water outlet device (300).
10. The water purifying drinking system of claim 9, wherein: the water purifying and drinking system further comprises a cold water outlet device (400), and the water inlet end of the cold water outlet device (400) is connected between the water outlet end of the water purifying device (100) and the flow distribution and inlet end (c) of the flow equalizing valve.
CN201911367876.9A 2019-12-26 2019-12-26 Advection valve and water purification drinking water system with same Pending CN110939754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911367876.9A CN110939754A (en) 2019-12-26 2019-12-26 Advection valve and water purification drinking water system with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911367876.9A CN110939754A (en) 2019-12-26 2019-12-26 Advection valve and water purification drinking water system with same

Publications (1)

Publication Number Publication Date
CN110939754A true CN110939754A (en) 2020-03-31

Family

ID=69912254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911367876.9A Pending CN110939754A (en) 2019-12-26 2019-12-26 Advection valve and water purification drinking water system with same

Country Status (1)

Country Link
CN (1) CN110939754A (en)

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