CN209131164U

CN209131164U - Water admixing device and water heater for water heater

Info

Publication number: CN209131164U
Application number: CN201821527213.XU
Authority: CN
Inventors: 巴喜亮; 梁国荣; 黄官贤
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2018-09-18
Filing date: 2018-09-18
Publication date: 2019-07-19
Anticipated expiration: 2028-09-18

Abstract

The utility model discloses a kind of water admixing devices and water heater for water heater.Water admixing device for water heater includes: water container, and water container has water storage entrance and service water outlet；Water absorber, water absorber have jet inlet, jet exit and the venturi runner being respectively communicated with jet inlet and jet exit, and the junction of jet inlet and venturi runner is equipped with water sucking mouth, and water sucking mouth is connected to service water outlet；Reversal valve, reversal valve has water inlet, the first water outlet and the second water outlet, first water outlet is optionally connected to water storage entrance, second water outlet is connected to jet inlet, and reversal valve controls water and first flows out from the outflow of the first water outlet, when the first water outlet and water storage entrance are disconnected from the second water outlet.Water admixing device according to the present utility model for water heater has the function of " zero cold water ", and structure is simple, at low cost, installation procedure is few, safe and reliable, energy saving, requirement is low, strong applicability.

Description

Water admixing device and water heater for water heater

Technical field

The utility model relates to technical field of water heaters, in particular to a kind of water admixing device for water heater and Water heater with the water admixing device for water heater.

Background technique

In the related technology with the water heater of " zero cold water " function, usually carried out using the water in water pump circulating hot water pipe Heating in advance, so that user be allow directly to use hot water.Wherein, the water heater with return pipe uses return pipe and hot-water line Forming circuit, the water heater of no return pipe pass through similar " H valve " device with check valve in this way and construct circuit.

However, above two method is required to water pump, pipe fitting matched with water pump, controller part are needed inside water heater It is also required to component relevant with water pump, mating higher cost；Meanwhile the part of similar " H valve " is required to construct circuit, pacify It is more to fill process.

Also, 70% user is fitted without water return pipeline, this certain customers will use cold water pipe and " H valve " constructs back Road has hot water in cold water pipe in cyclic process and flows through, and cold water tap is opened after preheating, has hot water outflow, may User can be scalded；Meanwhile when user is connected to other water treatment product (such as water purifiers), if the water temperature of water is more than in cold water pipe 38 DEG C, the RO film damage of water purifier may be directly resulted in.

It is exhaust gas, not energy-efficient in addition, have the water route being not needed in circulation warm and be heated；Moreover, because following Circulation is smaller, requires to the minimal temperature rise of water heater, otherwise, will appear overtemperature when summer, inflow temperature was higher and can not The case where use.In addition, certain customers cause circular flow smaller, are not available " zero since pipeline aging, pipe resistance are big Cold water " function.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of water admixing device for water heater out, the water admixing device for water heater has the function of " zero cold water ", and structure Simply, at low cost, installation procedure is few, safe and reliable, energy saving, requirement is low, strong applicability.

The utility model also proposes a kind of water heater with the water admixing device for water heater.

According to the water admixing device for water heater of the utility model first aspect embodiment, comprising: water container, it is described Water container has water storage entrance and service water outlet；Water absorber, the water absorber have jet inlet, jet exit and The venturi runner being respectively communicated with the jet inlet and the jet exit, the jet exit are suitable for and the water heater Shower be connected, the junction of the jet inlet and the venturi runner is equipped with water sucking mouth, the water sucking mouth and the confession Water out connection to the venturi runner to supply water；Reversal valve, the reversal valve have water inlet, the first water outlet and second Water outlet, the water inlet be suitable for be connected to the water outlet of the water mixing valve of the water heater or water valve, first water outlet and The water storage entrance is optionally connected to, and second water outlet is connected to the jet inlet, and the reversal valve is constructed The water entered at control by the water inlet first enters from first water outlet outflow, in first water outlet with the water storage It is flowed out again from second water outlet when mouth disconnects.

According to the water admixing device for water heater of the utility model embodiment, not needing to establish circulation loop can be realized " zero cold water " function, without water pump and component matched with its, Optimum cost；Either there are return pipe or nothing The user of return pipe does not need to construct circuit using " H valve ", and structure is simple, installation procedure is few；Due to following for not no water route Ring, the case where being mixed into hot water thus, there is no cold water pipe and damage other water treatment facilities, high safety and reliability；It will not There is the case where pipeline in addition to hot water line is heated, saves gas, energy conservation；And because the circulation in water route, water flow are not Water flow is normally used, does not have particular/special requirement to the minimal temperature rise of water heater；As long as hydraulic pressure and flow are in the normal range, pipeline The occasion of aging can also use the water admixing device, strong applicability.

In addition, also having following additional technology special according to the water admixing device for water heater of the utility model embodiment Sign:

Some embodiments according to the present utility model, the water admixing device for water heater further include: water level detecting dress It sets, the water level of water-level detecting device water in the water container disconnects first water outlet when reaching preset high water level With the water storage entrance.

Further, the water-level detecting device can be switched between water inlet state and off state and include: water box, institute Water box are stated with open ports and discharge outlet, the open ports are located above the discharge outlet；Float, the float can floating ground set Expose in the water box and from the open ports；Water level control member, the water level control member be located at the discharge outlet and by Control water is configured to enter the water box from the open ports and the water box are discharged from the discharge outlet；Water inlet control assembly, The water inlet control assembly be installed on the water box and there is import, control mouth and be located at the import and the control mouth it Between outlet, the import is respectively communicated with the control mouth and first water outlet, and water storage described in the export mixes enters Mouthful；Rocker arm, the rocker arm are installed in rotation on the roof of the float and are connected with the water inlet control assembly, wherein In the water inlet state, the rocker arm opens the control mouth and the water inlet control assembly be connected to the import and it is described out Mouthful；In the off state, the rocker arm closes the control mouth and the water inlet control assembly disconnects the import and institute State outlet.

In some specific embodiments of the utility model, the water inlet control assembly includes: water-logged base, the water-logged base It is located at accommodating in chamber of being formed on the side wall of the water box, the import and the outlet are located on the water-logged base；Upper cover, institute It states upper cover to be removably mounted on the water-logged base and limit intake antrum jointly with the water-logged base, the control mouth is located at On the upper lid；Controller perturbation part, the controller perturbation part are clamped between the upper cover and the water-logged base and are located at institute It states in intake antrum, the controller perturbation part is connected to the import and the outlet under the water inlet state and in the cut-off shape The import is blocked by the flexible deformation of itself under state.

Optionally, the upper cover is equipped with guide post, and the part corresponding with the entrance location of the controller perturbation part covers It is located in the guide post and limits the water space excessively for being connected to the import and the control mouth between the guide post.

Advantageously, the outlet is multiple and being provided at circumferentially spaced along the import, between the two neighboring outlet Supporting rib is limited, the controller perturbation part offsets with the supporting rib in the off state.

In some embodiments of the utility model, the water-level detecting device further include: water level regulation part, the water level Regulating part is installed in rotation in the water container and the water box and the inner wall of the water container offset, the water level Regulating part and the water box are threadedly engaged so that the rotary motion of itself to be converted to the elevating movement of the water box.

Some embodiments according to the present utility model, the venturi runner include that edge is penetrated from the jet inlet to described Contracted channel that the direction of outflux is sequentially connected, mixing runner and expansionary channel, the circulation area of the contracted channel along from The jet inlet reduces to the direction of the jet exit and the circulation area of the expansionary channel is along from the jet inlet Increase to the direction of the jet exit, the junction of the jet inlet and the contracted channel is equipped with the water sucking mouth.

Some embodiments according to the present utility model, the water absorber include: tube body, the jet inlet, described Jet exit and the venturi runner are respectively arranged on the tube body；Nozzle, the nozzle be installed on the tube body and It is connected to the jet inlet, the nozzle has to be subtracted along the direction circulation area from the jet inlet to the jet exit Small injection runner.

Some embodiments according to the present utility model, the reversal valve between original state and commutation states can be switched and It include: valve body, the valve body has the water inlet, first water outlet, second water outlet, the first movement chamber and the Two movement chambers；First spool, it is dynamic that first spool is movably arranged at described first between the first position and the second position Make intracavitary；Second spool, second spool are movably arranged at second movement between initial position and commutation position It is intracavitary and with first valve spool, wherein in the original state, first spool be located at the first position and Second spool is located at the initial position, second spool be only connected to the water inlet and first water outlet with to The water container water inlet；When first water outlet and the water storage entrance disconnect, first spool is moved to described the Two positions simultaneously drive second spool to be moved to the commutation position, second spool be only connected to the water inlet with it is described Second water outlet, the reversal valve switch to the commutation states.

Further, the reversal valve further include: connecting rod, the connecting rod be rotatably arranged on the valve body and with it is described Second spool is connected, wherein in the original state, first spool offsets with the connecting rod；First water outlet When disconnecting with the water storage entrance, first spool pushes the link rotatable, and the connecting rod drives second spool to move It moves to the commutation position.

Advantageously, in the commutation states, first spool and the connecting rod are separable to be moved to described first Position.

In some specific embodiments of the utility model, first spool is under the static pressure effect of water by described the One position is moved to the second position.

Optionally, first spool is equipped with the first elastic component, and first elastic component has first spool Often it is driven onto the power of the first position；Second spool is equipped with the second elastic component, and second elastic component has will be described Second spool is often driven onto the power of the initial position.

Some embodiments according to the present utility model, the water admixing device for water heater further include: stopper, institute It states stopper and is mounted in the water container and has communication port and water supply interface, the communication port is connected to the water and holds The inner space of device, the water supply interface are connected to the service water outlet, and the stopper is configured to hold in the water The communication port is closed when the water level of water is lower than preset low water level in device.

Further, the stopper is equipped with moisturizing interface, and the moisturizing interface is connected to second water outlet, institute It states stopper to be configured to can be switched between water compensating state and service position, the stopper is in the water compensating state It blocks the communication port and the connection water supply interface and the moisturizing interface, the stopper hides in the service position It keeps off the moisturizing interface and opens the communication port to be connected to the water supply interface and the communication port.

In some embodiments of the utility model, the stopper includes: pedestal, and the pedestal has the connection Mouth, the water supply interface and the moisturizing interface；Floatation element, the floatation element can between moisturizing position and water supply position Floating ground is set on the base, and the floatation element falls to the cut-off when moisturizing position under self gravitation effect Device switches to the water compensating state, when the floatation element floats under the buoyancy of water to the water supply position described in cut Locking apparatus switches to the service position.

Optionally, the floatation element includes: floating ball, and the floating ball can be located at the communication port to beat with floating up and down Open and block the communication port；Piston, the piston are movably arranged in the pedestal and are connected with the floating ball, described floating Dynamic component piston at the moisturizing position is connected to the moisturizing interface and the water supply interface, and the floatation element is in institute The piston blocks the moisturizing interface when stating water supply position.

According to the water heater of the utility model second aspect embodiment, including according to the utility model first aspect embodiment The water admixing device for water heater.

Had according to the water heater of the utility model embodiment using the water admixing device as described above for being used for water heater " zero cold water " function, and structure is simple, at low cost, installation procedure is few, safe and reliable, energy saving, requirement is low, applicability By force.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

Fig. 1 is the structural schematic diagram according to the water admixing device for water heater of the utility model embodiment；

Fig. 2 is the working principle diagram according to the water admixing device for water heater of the utility model embodiment；

Fig. 3 is the cross-sectional view according to the water absorber of the utility model embodiment；

Fig. 4 is the schematic illustration according to the water absorber of the utility model embodiment；

Fig. 5 is the perspective view according to the tube body of the water absorber of the utility model embodiment；

Fig. 6 is the perspective view according to the tube body of the water absorber of one alternative embodiment of the utility model；

Fig. 7 is the perspective view according to the reversal valve of the utility model embodiment；

Fig. 8 is the explosive view according to the reversal valve of the utility model embodiment；

Fig. 9 is the cross-sectional view according to the reversal valve of the utility model embodiment in the initial state；

Figure 10 be according to the reversal valve of the utility model embodiment from original state into the handoff procedure of commutation states Cross-sectional view；

Figure 11 is the cross-sectional view according to the reversal valve of the utility model embodiment in commutation states；

Figure 12 is the explosive view according to the stopper of the utility model embodiment；

Figure 13 is the cross-sectional view according to the stopper of the utility model embodiment in water compensating state；

Figure 14 is the cross-sectional view according to the stopper of the utility model embodiment in water compensating state；

Figure 15 is the cross-sectional view according to the stopper of the utility model embodiment in service position；

Figure 16 is the cross-sectional view according to the stopper of the utility model embodiment in service position；

Figure 17 is the assembling schematic diagram of the water container and water-level detecting device according to the utility model embodiment；

Figure 18 is the assembling schematic diagram of the water container and water-level detecting device according to the utility model embodiment；

Figure 19 is the perspective view according to the water-level detecting device of the utility model embodiment；

Figure 20 is the perspective view according to the water-level detecting device of the utility model embodiment；

Figure 21 is the explosive view according to the water-level detecting device of the utility model embodiment；

Figure 22 is the cross-sectional view according to the water-level detecting device of the utility model embodiment in the state of water inlet；

Figure 23 is the cross-sectional view according to the water-level detecting device of the utility model embodiment in the state of water inlet；

Figure 24 is the cross-sectional view according to the water-level detecting device of the utility model embodiment in the state of water inlet；

Figure 25 is the cross-sectional view according to the water-level detecting device of the utility model embodiment in the state of water inlet；

Figure 26 is the cross-sectional view according to the water-level detecting device of the utility model embodiment in off state.

Appended drawing reference:

Water admixing device 10, sealing element 11, gasket 12,

Water container 100, fixed ring buckle 101,

Water absorber 200, jet inlet 201, jet exit 202, venturi runner 203, water sucking mouth 204, tube body 210, contracted channel 211, mixing runner 212, expansionary channel 213, nozzle 220, injection runner 221,

Reversal valve 300, water inlet 301, the first water outlet 302, the second water outlet 303, installation axle 304, assembled shaft 305, Cover type nut 306, movement mouth 307, valve body 310, fixed bracket 311, mounting hole 312, the first spool 320, the second spool 330, Pilot hole 331, water outlet connector 350, connecting rod 360, location hole 361, through hole 362, mating hole 363, accommodates water supply connector 340 Chamber 364, the first elastic component 371, the second elastic component 372,

Stopper 400, communication port 401, water supply interface 402, moisturizing interface 403, cut-off sealing ring 404, pedestal 410, Floating ball 420, piston 430, water hole 431, water passage 432, occlusion part 433, top cover 440, limbers 441,

Water-level detecting device 500, outlet 502, control mouth 503, crosses water space 504, water box 510, open ports at import 501 511, discharge outlet 512, threaded hole 513, accommodate chamber 514, float 520, water level control member 530, hook 531, water level regulation part 540, adjust operating groove 541, controller perturbation part 550, water-logged base 560, button bit 561, supporting rib 562, upper cover 570, protrusion 571, Guide post 572, mounting bracket 573, Rocker arm 5 80, maloperation adjustment structure 581,

Water mixing valve or water valve 20, shower 30.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Below with reference to the accompanying drawings the water admixing device 10 for water heater according to the utility model first aspect embodiment is described.

As shown in Fig. 1-Figure 26, according to the water admixing device 10 for water heater of the utility model embodiment, comprising: water Container 100, water absorber 200 and reversal valve 300.

Specifically, water container 100 can be stainless steel part or plastics (for example, PC (Polycarbonate, poly- carbonic acid Ester), ABS (Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene-styrene (ABS)), PP (Polypropylene, polypropylene), PET (polyethylene glycol terephthalate, poly terephthalic acid second two Alcohol ester)) part, water container 100 is with water storage entrance and service water outlet, and the volume of water container 100 is no more than 15L.

Water absorber 200 have jet inlet 201, jet exit 202 and with jet inlet 201 and jet exit 202 The venturi runner 203 being respectively communicated with, jet exit 202 are suitable for being connected with the shower 30 of water heater, jet inlet 201 and Wen Qiu In runner 203 junction be equipped with water sucking mouth 204, water sucking mouth 204 be connected to service water outlet with to venturi runner 203 water supply. It is appreciated that venturi runner 203 refers to the runner designed according to venturi principle, that is, the water entered by jet inlet 201 Negative pressure can be generated when flowing through venturi runner 203, negative pressure is transmitted to water sucking mouth 204 and water sucking mouth 204 is made to generate water suction effect Fruit.

Reversal valve 300 has water inlet 301, the first water outlet 302 and the second water outlet 303, and water inlet 301 is suitable for and heat The water mixing valve of hydrophone or the water outlet connection of water valve 20, the first water outlet 302 are optionally connected to water storage entrance, and second goes out The mouth of a river 303 is connected to jet inlet 201, and reversal valve 300 is configured to control the water entered by water inlet 301 first from the first water outlet 302 outflow of mouth is flowed out from the second water outlet 303 again when the first water outlet 302 is disconnected with water storage entrance.

It is described with reference to the accompanying drawings according to the worked of the water admixing device 10 for water heater of the utility model embodiment Journey.

After opening water mixing valve or water valve 20, water flow flows into the water inlet 301 of reversal valve 300 by pipeline, from the first water outlet Mouth 302 flows out into the import 501 of water-level detecting device 500, and the outlet 502 for passing through water-level detecting device 500 flows into water Container 100；

When the water storage entrance of water container 100 and the first water outlet 302 disconnect, reversal valve 300 changes water route direction, by The water that water inlet 301 comes is discharged incident inflow entrance 201 of going forward side by side from the second water outlet 303；

Water absorber 200 generates negative pressure in the case where there is water flow, through internal venturi runner 203, by water sucking mouth 204 absorb water from the service water outlet of water container 100, flow into shower together after the hot water mixing of water and the water heater outflow of sucking 30, i.e. shower 30 is discharged, while prompt can take a shower；

After shower, water mixing valve or water valve 20 are closed, and reversal valve 300 becomes 302 effluent state of the first water outlet, are waited Next time uses.

According to the water admixing device 10 for water heater of the utility model embodiment, cold water is collected using water container 100 (in general, water of the temperature lower than 30 DEG C is cold water), automatically switches to after hot water arrival water spot and is discharged from shower 30, collection Cold water is sucked back into 30 front end of shower by water absorber 200 and uses up, and can realize that " zero is cold without establishing circulation loop Water " function, that is, do not have cold water to flow out from shower 30 when after user's opening water mixing valve or water valve 20 with water, reach province's water environmental protection Purpose.

As a result, according to the water admixing device 10 for water heater of the utility model embodiment, do not need water pump and and its Matched component, Optimum cost；Either having return pipe, still the user without return pipe does not need to construct using " H valve " Circuit, structure is simple, installation procedure is few；Due to the circulation in not no water route, thus, there is no cold water pipes to be mixed into hot water and damage The case where other water treatment facilities, high safety and reliability；It there will not be the case where pipeline in addition to hot water line is heated, save Gas, energy conservation；And because the circulation in water route, water flow do not use water flow normally, do not have to the minimal temperature rise of water heater Particular/special requirement；As long as hydraulic pressure and flow are in the normal range, the occasion of pipeline aging can also use the water admixing device 10, be applicable in Property is strong.

It should be appreciated that water absorber 200 and reversal valve 300 can be located in water container 100, water appearance can also be located at Outside device 100, the present invention is not particularly limited this.Advantageously, water absorber 200 is located at outside water container 100, to facilitate and flower 30 are spilt to be connected；Reversal valve 300 is located in water container 100, so that the structure of water admixing device 10 is compact, globality is preferable.

Some embodiments according to the present utility model, as shown in Figure 1, Figure 2 and shown in Figure 17-Figure 26, the mixed water for water heater Device 10 further includes water-level detecting device 500, and the water level of the water in water container 100 of water-level detecting device 500 reaches default height The first water outlet 302 and water storage entrance are disconnected when water level (can set according to the cool water quantity needed for different user), to realize the The alternative on-off of one water outlet 302 and water container 100.

In some specific embodiments of the utility model, as shown in Figure 1, Figure 2 and shown in Figure 17-Figure 26, water-level detecting device 500 can be switched between water inlet state and off state and include: water box 510, float 520, water level control member 530 and water inlet control Component processed.

Specifically, water-level detecting device 500 is mounted in water container 100.Water box 510 have open ports 511 and row The mouth of a river 512, open ports 511 are located at 512 top of discharge outlet, for example, the roof of water box 510 is opened wide to form open ports 511.Float 520 can floating ground be located in water box 510.Water level control member 530 is located at discharge outlet 512, and water level control member 530 is configured to Water is controlled to enter water box 510 from open ports 511 and water box 510 are discharged from discharge outlet 512.Water inlet control assembly is installed on water box 510.And water inlet control assembly has import 501, control mouth 503 and the outlet between import 501 and control mouth 503 502, import 501 is connected to control mouth 503.

Wherein, as shown in Figure 22-Figure 25, in the state of water inlet, float 520 opens control mouth 503 and water inlet control assembly It is connected to import 501 and outlet 502, water is entered in water inlet control assembly by import 501, then respectively from outlet 502 and control mouth 503 flow out in water container 100, and water container 100 starts water；When the water level of water in water container 100 is increased to preset When high water level, water-level detecting device 500 switches to off state as shown in figure 26, float 520 float under buoyancy with Control mouth 503 is closed, and control assembly of intaking disconnects import 501 and outlet 502, to stop intaking into water container 100.

It should be noted that when the water level of water in water container 100 reaches near discharge outlet 512, as shown in figure 25, water Position control piece 530 closes discharge outlet 512, and water will not enter water box 510 from discharge outlet 512, but enter water by open ports 511 In box 510, so that water potential is got at up to preset high water level；When water container 100 drains outward, water level control member 530 Discharge outlet 512 is opened, so that the water in water box 510 drains.

As a result, water-level detecting device 500 can water level reach preset high water level when reliably end water route, in this way, with After water mixing valve or the water valve 20 of water heater are opened in family, water container 100 collects the cold water first flowed out, when the cool water quantity of collection reaches When setting water (i.e. preset high water level), it can stop to the water inlet of water container 100 and by hot water supply shower 30, to be conducive to Realize " zero cold water " function of water heater, also, structure is simple, at low cost.

Some embodiments according to the present utility model, as shown in Figure 17 and Figure 18, water-level detecting device 500 further include: water Position regulating part 540, water level regulation part 540 are mounted in water container 100, inner wall of the water box 510 against water container 100, water Position regulating part 540 is connected with water box 510 to be threadedly engaged so that the rotary motion of itself to be converted to the elevating movement of water box 510, water The top of position regulating part 540, which is equipped with, adjusts operating groove 541.In this way, water box can be conveniently adjusted without removing water box 510 510 height, also, the structure that no setting is required positions water box 510, so as to be conveniently adjusted preset high water level Just, structure is very simple, and the quantity of components is considerably less.

For example, water box 510 are equipped with threaded hole 513, and water level regulation part 540 is screw rod, and screw rod is matched with threaded hole 513 It closes, adjusts operating groove 541 and be configured to cross recess, in this way, the tool rotation that for example, screwdriver can be used can fast velocity modulation The height of water saving box 510, to achieve the purpose that adapt to different water capacity, for example, water capacity is 2L-15L.Advantageously, it deposits The inner wall of water container 100 is equipped with the fixed ring buckle 101 for being positioned to screw rod, and screw rod is hung over by fixed ring buckle 101 and deposited In water container 100.

Some embodiments according to the present utility model, as shown in Figure 19-Figure 26, water inlet control assembly includes: into water ontology With controller perturbation part 550.Intaking in ontology, there is intake antrum and intake antrum to have import 501, control mouth 503 and export 502.Bullet Property control piece 550 be located in intake antrum, and controller perturbation part 550 and water inlet ontology between limit be connected to import 501 and control Mouth 503 crosses water space 504, and controller perturbation part 550 is connected to import 501 and outlet 502 under water inlet state and in off state Import 501 is blocked by the flexible deformation of itself down.

Specifically, in the state of water inlet, controller perturbation part 550 is undeformed reset condition, the water come in from import 501 Water container 100 is flowed by outlet 502, while passing through water space 504 and water container 100 is flowed by control mouth 503；It is cutting Only when state, since control mouth 503 is closed, the pressure in intake antrum increases, and controller perturbation part 550 can in the presence of hydraulic pressure It deforms downwards and is finally against on water ontology, at this point, 550 block input port 501 of controller perturbation part, plays the work in cut-off water route With.In this way, being not necessarily to external circuits, structure is very simple.

Further, as shown in Figure 19-Figure 26, water inlet ontology includes: water-logged base 560 and upper cover 570.Water-logged base 560 is set What is formed on the side wall of water box 510 accommodates in chamber 514, and import 501 and outlet 502 are located on water-logged base 560.Upper cover 570 can Releasably be mounted on water-logged base 560, for example, upper cover 570 be equipped with along its circumferentially spaced multiple raised 571, water inlet Seat 560 is equipped with along its circumferentially spaced multiple button bit 561, and multiple raised 571 correspond and every with multiple button bits 561 A raised 571 cooperation is in corresponding button bit 561.Wherein, multiple button bits 561 are arranged around import 501.

Upper cover 570 and water-logged base 560 limit intake antrum jointly, and controller perturbation part 550 is clamped in upper cover 570 and water inlet Between seat 560, control mouth 503 is located in upper cover 570 and control mouth 503 is located at 550 top of controller perturbation part.For example, elasticity control Product 550 is rubber mat, and upper cover 570 is equipped with card slot, and rubber mat is assemblied in card slot, and rubber mat is located at 501 top of import.

Advantageously, as shown in Figure 22-Figure 26, upper cover 570 be equipped with guide post 572, controller perturbation part 550 with import 501 The corresponding part in position is set in guide post 572, and is limited between the part and guide post 572 of controller perturbation part 550 Cross water space 504.In this way, controller perturbation part 550 can reliably push down import 501 under the guidance of guide post 572.

In some specific embodiments of the utility model, as shown in Figure 22 and Figure 23, outlet 502 for it is multiple and it is multiple go out 502 being provided at circumferentially spaced along import 501 of mouth, two neighboring export limits supporting rib 562 between 502, in off state Controller perturbation part 550 offsets with supporting rib 562, to can not only guarantee that water flow is unimpeded when water inlet, but also can guarantee to end water route When leakproofness.

Some embodiments according to the present utility model, as shown in Figure 24-Figure 26, float 520 exposes from open ports 511, floats Son 520 and upper cover 570 between be equipped with Rocker arm 5 80, Rocker arm 5 80 be installed in rotation on the roof of float 520 and with upper cover 570 It is connected to open and close control mouth 503.For example, upper cover 570 be equipped with mounting bracket 573, Rocker arm 5 80 with 570 phase of upper cover One end even is mounted in mounting bracket 573.

Advantageously, as shown in Figure 21 and Figure 24-Figure 26, Rocker arm 5 80 is equipped with gasket 12, in off state gasket 12 Block control mouth 503, thus good airproof performance, also being capable of buffer shock-absorbing.It is appreciated that in order to further simplify structure, rocker arm 580 part being connected with float 520 is located at controlling for blocking for Rocker arm 5 80 with the part of Rocker arm 5 80 being connected with upper cover 570 The same side of the part of donsole 503.

Optionally, as shown in figure 19, the one end of Rocker arm 5 80 being connected with float 520 is equipped with maloperation adjustment structure 581, User misses Guan Shuihou in water utilizing process, and maloperation adjustment structure 581 lifts Rocker arm 5 80 to close control mouth 503, to prevent It intakes when unnecessary into water container 100, guarantees that user persistently uses water.For example, maloperation adjustment structure 581 can be scarce Mouthful, outside notch connecting stay wire to water container 100, end water route so as to pull bracing wire manually.

Some embodiments according to the present utility model, as shown in Figure 21-Figure 26, discharge outlet 512 is located at the bottom of water box 510 Wall, water level control member 530 can be located at up or down in water box 510, and water level control member 530 is configured in bottom-open Empty part.When the water level of water in water container 100 lower than water level control member 530 it is lower along when, water level control member 530 is in self gravity It is moved down under effect and opens discharge outlet 512；When the water in water container 100 covers water level control member 530, water level control Air inside part 530 can allow water level control member 530 to float and withstand on the bottom of water box 510, so that water level control member 530 is closed Discharge outlet 512, so that water will not enter in water box 510 from discharge outlet 512.For example, the roof of water level control member 530 is equipped with along it It is circumferentially spaced it is multiple hook 531, when the water level of water in water container 100 lower than water level control member 530 it is lower along when, water Position control piece 530 is hooked in water box 510 under self gravitation effect.

In some embodiments of the utility model, water box 510, float 520, water level control member 530, Rocker arm 5 80, upper cover 570, water-logged base 560, fixed ring buckle 101, water level regulation part 540 are plastic part, so that cost is cheaper.Wherein, float 520 can be configured to hollow, thus be easy to float, structure it is simple.

The work of the water-level detecting device 500 of a specific embodiment according to the present utility model is described with reference to the accompanying drawings Process.

As shown in figure 24, when anhydrous in water box 510, float 520 can fall under gravity to the bottom of water box 510, float Son 520 holds Rocker arm 5 80, so that the one end of Rocker arm 5 80 being connected with upper cover 570 is lifted, to open the control at 570 top of upper cover Donsole 503；Meanwhile the water level control member 530 of 510 lower part of water box can be also hooked under the effect of gravity in water box 510, and water level There are gaps between the periphery wall of control piece 530 and the internal perisporium of discharge outlet 512.

As shown in Figure 22-Figure 25, water-level detecting device 500 is in water inlet state, when water flow is flowed into from import 501, water It can be then flowed in water container 100 by 502 outflow of outlet；Meanwhile water flow can flow into 570 He of upper cover from water space 504 is crossed Space between controller perturbation part 550 is finally flowed out by the control mouth 503 at 570 top of upper cover again.

As the water entered in water container 100 slowly becomes more, the liquid level of water is gradually risen.When liquid level covers water level control When part 530, the air inside water level control member 530 can allow water level control member 530 to float, and water level control member 530 withstands on water box 510 Bottom so that water will not from discharge outlet 512 enter water box 510 inside, as shown in figure 25；

When liquid level is increased to cover 510 top of water box, water is flowed rapidly into from the open ports 511 at 510 top of water box, so that 510 internal liquid level of water box increases, and float 520 can float under buoyancy, jacks up the Rocker arm 5 80 connecting with float 520, rocker arm The gasket 12 that 580 one end being connected with upper cover 570 is equipped with can cover control mouth 503；Since control mouth 503 is sealed, Pressure between upper cover 570 and controller perturbation part 550 increases, and controller perturbation part 550 can deform downwards in the presence of hydraulic pressure, most Eventually, the lower part of controller perturbation part 550 pushes down pedestal 410 and blocks import 501, to end water route, as shown in figure 26.

Water in water container 100 can be discharged by service water outlet, when water container 100 drains, 510 bottom of water box Water level control member 530 can liquid level be lower than water level control member 530 when fall back to hook state, as shown in figure 26, at this point, water box Water in 510 can gap outflow between water level control member 530 and water box 510, water all drains rear water-level detecting device 500 It is reset to state of intaking shown in Figure 24.

Some embodiments according to the present utility model, as shown in Figure 3 and Figure 4, venturi runner 203 include that edge enters from jet stream Contracted channel 211, mixing runner 212 and the expansionary channels 213 that mouth 201 is sequentially connected to the direction of jet exit 202, contractive set The circulation area in road 211 is along from jet inlet 201 to the reduction of the direction of jet exit 202 and the circulation area of expansionary channel 213 Increase along from jet inlet 201 to the direction of jet exit 202, the junction of jet inlet 201 and contracted channel 211, which is equipped with, inhales The mouth of a river 204.

In this way, water flow high speed can generate volume when flowing through contracted channel 211 inhale effect, and negative pressure, negative pressure are generated in this region Water sucking mouth 204 is transmitted to make water sucking mouth 204 that there is soaking effect；The mixed water for being mixed with the water of sucking is flowed finally by expansion It is flowed out through jet exit 202 in road 213.Wherein, it mixes runner 212 and expansionary channel 213 provides sufficient space and expands to mix Pressure, to guarantee the pressure (i.e. pressure voltage) of jet exit 202, avoids the outer end of jet exit 202 from flowing back to when having resistance water Water sucking mouth 204.Water absorber 200 generates preferable negative pressure within the scope of 30 pipe resistance of shower 30 and shower as a result, ensure that Absorb water flow, and without external electricity or gas, structure is simple, performance is stable.

For example, as shown in Figure 3 and Figure 4, the circulation area of contracted channel 211 is gradually reduced, the vertical section of contracted channel 211 Contour line is configured to towards central axis arc outstanding；The circulation area of expansionary channel 213 is gradually increased, expansionary channel 213 are configured to frustoconical；The circulation area of jet inlet 201 is not less than the maximum flow area of contracted channel 211, jet stream The circulation area of outlet 202 is greater than the maximum flow area of expansionary channel 213.

Some embodiments according to the present utility model, as shown in figures 3 to 6, water absorber 200 include: 210 He of tube body Nozzle 220.Jet inlet 201, jet exit 202 and venturi runner 203 are respectively arranged on tube body 210.Nozzle 220 is installed The sealing element 11 of for example, O-ring seal can be set between tube body 210, nozzle 220 and tube body 210 to enhance sealing Property.Nozzle 220 is connected to jet inlet 201, and nozzle 220 has to circulate along from jet inlet 201 to the direction of jet exit 202 The injection runner 221 that area reduces.

Due to spraying the tapered effect of runner 221, water flow is accelerated in the presence of hydraulic pressure when flowing through nozzle 220, thus Water flow can be ejected into venturi runner 203.For example, the circulation area of injection runner 221 is gradually reduced, 221 quilt of runner is sprayed It is configured to frustoconical.Advantageously, spray runner 221 minimum diameter be less than 4mm, thus jet velocity faster, range it is farther.

It is appreciated that as shown in figure 5, water absorber 200 may be mounted at the front end of shower 30, the water outlet of tube body 210 End is equipped with internal screw thread to connect with shower 30, and the water inlet end of nozzle 220 is equipped with external screw thread to connect with water pipe；Alternatively, such as Fig. 6 institute Show, water absorber 200 also may be mounted at the second water outlet 303 of reversal valve 300, and the water outlet of tube body 210 is equipped with interior spiral shell For line to connect with shower 30, the water inlet end of nozzle 220 is equipped with flange arrangement to connect with reversal valve 300；Or water absorber 200 are mounted between shower 30 and reversal valve 300, and water absorber 200 is connected with shower 30 and reversal valve 300 respectively by water pipe It connects；Certainly, water absorber 200 can also be built in shower 30.

Wherein, tube body 210 can for copper piece, PPS (Polyphenylenesulphide,Polyphenylene sulfide) plus glass part, ABS (Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene-styrene (ABS)), PET (polyethylene Glycol terephthalate, polyethylene terephthalate), POM (Paraformaldehyde, polyformaldehyde) or PP (Polypropylene, polypropylene) part.Nozzle 220 can for copper piece, PPS (Polyphenylenesulphide,Polyphenylene sulfide Ether) plus glass part, ABS (Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene-styrene (ABS)), PET (polyethylene glycol terephthalate, polyethylene terephthalate), POM (Paraformaldehyde, polyformaldehyde) or PP (Polypropylene, polypropylene) part.

Some embodiments according to the present utility model, as shown in Figure 3, Figure 5 and Figure 6, the central axis of water sucking mouth 204 is opposite It is obliquely installed in the central axis of venturi runner 203, to be conducive to reduce the disturbance to water flow, is conducive to reduce loss.

Further, as shown in figure 3, the central axis of water sucking mouth 204 along tube body 210 radially outward and along from jet stream Outlet 202 is tilted to the direction of jet inlet 201 to be extended, in this way, the flow direction sucked by water sucking mouth 204 is close to by nozzle 220 flow directions injected, to further reduce loss.

Some embodiments according to the present utility model, as shown in figure 3, the outlet 502 of injection runner 221 is towards contracted channel 211 and neighbouring water sucking mouth 204 be arranged.In this way, being conducive to reduce fluid loss, guarantee mixed water effect.Advantageously, runner 221 is sprayed Outlet 502 in the axial direction of tube body 210 face contracted channel 211 and the radially face water sucking mouth in tube body 210 204。

Some embodiments according to the present utility model, as shown in Figure 3 and Figure 4, the minimum diameter of contracted channel 211, mixing The diameter of runner 212 and the minimum diameter of expansionary channel 213 are d.That is, mixing runner 212 circulation area from It is constant on jet inlet 201 to the direction of jet exit 202, to generate preferable negative pressure and pressure-resistant effect.

Optionally, the ratio of the maximum gauge of contracted channel 211 and minimum diameter is 2-2.5, the maximum of expansionary channel 213 The ratio of diameter and minimum diameter is 1.5-2；The expansion angle of expansionary channel 213 is 3 ° -5 °；The length of contracted channel 211 is 1d-3d, the length of mixing runner 212 are 1d-3d, and the length of expansionary channel 213 is 2d-5d.In this way, stream can be being comprehensively considered Water absorber 200 is optimized in the case where bulk diffusion, pressure resistance, suction strength, soaking effect and flow.

Some embodiments according to the present utility model, as shown in figure 3, the central axis of venturi runner 203, tube body 210 central axis is overlapped with the central axis of injection runner 221, so that structure is simpler, soaking effect and fluid loss It is more excellent.

Some embodiments according to the present utility model, as seen in figs. 7 and 11, reversal valve 300 is in original state and commutation It can be switched between state and reversal valve 300 include: valve body 310, the first spool 320 and the second spool 330.

Water inlet 301, the first water outlet 302, the second water outlet 303 are located on valve body 310, and valve body 310 has first to move Make chamber and the second movement chamber.It is moved between the second position shown in first spool 320 first position and Figure 11 shown in Fig. 9 Ground is located at that the first movement is intracavitary, removable between commutation position shown in the second spool 330 initial position and Figure 11 shown in Fig. 9 It is intracavitary that it is located at the second movement dynamicly, and the second spool 330 and the first spool 320 link.

Wherein, in the initial state, the first spool 320 is located at first position to reversal valve 300 and the second spool 330 is located at just Beginning position, the second spool 330 are connected to water inlet 301 and the first water outlet 302 only to intake to water container 100；First water outlet When mouth 302 is disconnected with water storage entrance, the first spool 320 is moved to the second position and the second spool 330 is driven to be moved to commutation position It sets, the second spool 330 is only connected to water inlet 301 and the second water outlet 303, and reversal valve 300 switches to commutation states.

As a result, it is anhydrous by when, reversal valve 300 is in original state；When there is water to enter valve body 310 by water inlet 301, Water flow first enters water container 100 from the first water outlet 302；When the first water outlet 302 is disconnected with water storage entrance, the first valve The second spool 330 of linkage of core 320 changes water route direction, in this way, the water to be come by water inlet 301 is discharged from the second water outlet 303, So that the cold water first come out is collected by water container 100, the hot water then come out, which can directly be flowed out from shower 30, to be supplied User uses.

According to the reversal valve 300 of the utility model embodiment, the linkage using the first spool 320 and the second spool 330 changes Become water route direction, so that the water entered by water inlet 301 is first from the outflow of the first water outlet 302, in the first water outlet 302 and water It flows out from the second water outlet 303 when container 100 disconnects, to be advantageously implemented " zero cold water " function of water heater, also, ties again Structure is simple, high reliablity.

Some embodiments according to the present utility model, as shown in Fig. 7-Figure 11, reversal valve 300 further include: water supply connector 340, one end of water supply connector 340 is connected with water inlet 301 and the other end is connected with the water outlet of water mixing valve or water valve 20.Favorably Ground is equipped with the sealing element of for example, O-ring seal to guarantee leakproofness and reliability between water supply connector 340 and valve body 310 11。

Some embodiments according to the present utility model, as shown in Fig. 7-Figure 11, reversal valve 300 further include: water outlet connector 350, one end of water outlet connector 350 is connected with the second water outlet 303 and the other end is connected with nozzle 220, the head of the second spool 330 Portion blocks described one end of water outlet connector 350 in initial position and opens described the one of water outlet connector 350 in commutation position End.

Advantageously, it is, for example, O-shaped close for being equipped in order to guarantee leakproofness and reliability, between water outlet connector 350 and valve body 310 The sealing element 11 of seal is equipped with the sealing element 11 of for example, O-ring seal between the head and valve body 310 of the first spool 320, the The sealing element 11 of for example, fixing ring is equipped between the head and water outlet connector 350 of two spools 330, the second spool 330 The sealing element 11 of for example, O-ring seal is equipped between main body and valve body 310.

Some embodiments according to the present utility model, as shown in Fig. 7-Figure 11, reversal valve 300 further include: connecting rod 360, even Bar 360 is rotatably arranged on valve body 310, and connecting rod 360 is connected with the second spool 330.It is fixed for example, valve body 310 is equipped with Bracket 311, connecting rod 360 is equipped with location hole 361 and fixed bracket 311 is equipped with mounting hole 312, and installation axle 304 passes through installation Hole 312 and location hole 361, installation axle 304 and nut cooperate so that connecting rod 360 to be mounted on fixed bracket 311；Second spool 330 main body is equipped with pilot hole 331 and connecting rod 360 is equipped with through hole 362 and mating hole 363, and assembled shaft 305 passes through perforation Hole 362 and pilot hole 331, and assembled shaft 305 and nut cooperate so that the tail end of the second spool 330 to be fixed in mating hole 363.

Wherein, in the initial state, the first spool 320 offsets reversal valve 300 with connecting rod 360；First water outlet 302 and storage When water inlet disconnects, the first spool 320 pushes connecting rod 360 to rotate, and connecting rod 360 drives the second spool 330 to be moved to commutation position. In this way, realizing the linkage of the first spool 320 and the second spool 330 in simple structure.

Further, as shown in figure 11, for reversal valve 300 in commutation states, the first spool 320 and connecting rod 360 are separable To be moved to first position, to realize the reset of the first spool 320.For example, cap-type spiral shell can be set in 310 upper cover 570 of valve body Mother 306 limits the first movement chamber jointly between cover type nut 306 and valve body 310, and cover type nut 306 is equipped with movement mouth 307, the tail end of the first spool 320 is stretched out from movement mouth 307 to offset with connecting rod 360.

Optionally, as shown in figures s-11, connecting rod 360 has accommodating chamber 364, and for example, rubber mat is equipped in accommodating chamber 364 Gasket 12, the tail end of first spool 320 in the initial state of reversal valve 300 resists gasket 12, subtracts to be conducive to buffering Vibration.

Advantageously, as Figure 9-Figure 11, the first spool 320 and the second spool 330 are located at the center of rotation of connecting rod 360 The same side, so that structure is more compact, more easily guarantees commutation reliability.

Some embodiments according to the present utility model, the first spool 320 are moved under the static pressure effect of water by first position It moves to the second position.In this way, the pressure of water is become from dynamic pressure in valve body 310 when the first water outlet 302 is disconnected with water storage entrance Static pressure and increase rapidly, raised the first spool of water pressure pushing 320 is mobile, and then, the first spool 320 links the second spool 330 So that reversal valve 300 switches to commutation states.Reversal valve 300 changes water route direction, reversal valve using the pressure change of water as a result, 300 are particularly suitable for hydraulic pressure in 0.1MPa-1MPa range so that structure is simpler, reliability is higher without external electricity or gas Interior household tap water.

Some embodiments according to the present utility model, as Figure 9-Figure 11, the first spool 320 are equipped with the first elastic component 371, the first elastic component 371 has the power that the first spool 320 is often driven onto first position；Second spool 330 is equipped with the second bullet Property part 372, the second elastic component 372, which has, is often driven onto the second spool 330 power of initial position.For example, 371 He of the first elastic component Second elastic component 372 is spring.It is appreciated that the diameter on the head of the first spool 320 is greater than its remaining part of the first spool 320 The diameter divided, the diameter on the head of the second spool 330 are greater than the diameter of the rest part of the second spool 330.

In this way, reversal valve 300 is in the initial state, the first spool 320 is pressed in valve body under the action of the first elastic component 371 310 inside, the second spool 330 are pressed in described one end of water outlet connector 350 under the action of the second elastic component 372 to block Two water outlets 303；When there is water to flow into water supply connector 340, the power of the pressure of water and the second elastic component 372 all acts on the second valve The head of core 330, so that described one end of water outlet connector 350 is blocked on the head of the second spool 330, at this point, water flow goes out from first The outflow of the mouth of a river 302 and inflow water container 100.

When water storage entrance and the first water outlet 302 disconnect, the pressure inside valve body 310 increases as dynamic pressure becomes static pressure Greatly, as [(P₁*S₁-F₁-f₁)*1.4]>(P₂*S₂+F₂+f₂) when, the first spool 320 just will push connecting rod 360, and connecting rod 360 drives Second spool 330 is mobile, and reversal valve 300 switches to commutation states.Wherein, P₁Static pressure suffered by head for the first spool 320 Power, S₁For the forced area on the head of the first spool 320, F₁For the power of the first elastic component 371, f₁For suffered by the first spool 320 Frictional force, P₂Static pressure suffered by head for the second spool 330, S₂For the forced area on the head of the second spool 330, F₂For The power of second elastic component 372, f₂For frictional force suffered by the second spool 330, numerical value 1.4 is the lever principle of connecting rod 360 in formula Generated pressure ratio.

Since when water outlet connector 350 is opened on the head of the second spool 330, water inlet 301 and the second water outlet 303 connect It is logical, at this point, hydraulic pressure can become dynamic pressure from static pressure, pressure decline, thrust suffered by the first spool 320 reduce again and by the first bullet Property part 371 is pushed back to first position；And after opening water outlet connector 350 due to the second spool 330, the head of the second spool 330 is left The forced area of side is greater than the forced area on right side, and therefore, in the presence of hydraulic pressure, the second spool 330 will continue to move right Until the water route between fixing ring sealing water inlet 301 and the first water outlet 302, so far completes commutation action.

Guan Shuihou, the second spool 330 reset to initial position under the elastic force effect of the second elastic component 372, wait next Secondary boiled water uses.

Some embodiments according to the present utility model, as Figure 9-Figure 11, the central axis and first of the first spool 320 The central axis for acting chamber is overlapped, and the central axis of the second spool 330 is overlapped with the central axis of the second movement chamber, thus structure Simply, the state of reversal valve 300 switches ratio smoothly.

Some embodiments according to the present utility model, as Figure 9-Figure 11, the central axis and second of the first spool 320 The centerline axis parallel of spool 330, the center of rotation axis of connecting rod 360 perpendicular to the second spool 330 central axis, in this way, Structure is simpler, compact, also, the linkage between the first spool 320, the second spool 330 and connecting rod 360 more smoothly, can It leans on.

Since air stream is fashionable to generate biggish noise having for the water sucking mouth 204 of water absorber 200, as Fig. 1, Shown in Fig. 2 and Figure 12-Figure 16, the water admixing device 10 for water heater further includes stopper 400, for detecting water container In 100 whether anhydrous supply water sucking mouth 204.

Specifically, stopper 400 is mounted on the bottom of water container 100, and stopper 400 has communication port 401 With water supply interface 402, communication port 401 is connected to the inner space of water container 100, and water supply interface 402 is connected to service water outlet, cuts Locking apparatus 400 closes communication port 401 when being configured to the water level of the water in water container 100 lower than preset low water level.

In order to guarantee the water flow not influence by anhydrous sucking too much that user uses, further, such as Fig. 1 and figure Shown in 12- Figure 16, stopper 400 is additionally provided with moisturizing interface 403, and moisturizing interface 403 is connected to the second water outlet 303.Cut-off Device 400 is configured in water compensating state as shown in Figure 13 and Figure 14 and as between Figure 15 and service position as shown in figure 16 Changeable, stopper 400 blocks communication port 401 in water compensating state and is connected to water supply interface 402 and moisturizing interface 403, cuts Locking apparatus 400 blocks moisturizing interface 403 in service position and opens communication port 401 to be connected to water supply interface 402 and communication port 401, so that water sucking mouth 204 can be sucked from the second water outlet 303 at 100 anhydrous supply water sucking mouth 204 of water container Hot water increases the water flow of shower 30 with supplement to shower 30, guarantees experience of taking a shower.Advantageously, moisturizing interface 403 passes through straight Water route of the diameter no more than 3mm is connected to the second water outlet 303.

In some embodiments of the utility model, as shown in figures 12-16, stopper 400 includes: 410 He of pedestal Floatation element.Pedestal 410 has communication port 401, water supply interface 402 and moisturizing interface 403.Floatation element is in moisturizing position and confession Between water position can floating ground be located on pedestal 410, cut-off when floatation element falls to moisturizing position under self gravitation effect Device 400 switches to water compensating state, and stopper 400 switches when floatation element floats under the buoyancy of water to water supply position To service position.

Stopper 400 can guarantee in water container 100 when water container 100 has water to supply water sucking mouth 204 as a result, Water preferentially flow to water sucking mouth 204, and at 100 anhydrous supply water sucking mouth 204 of water container, by moisturizing interface 403 to suction The mouth of a river 204 supplies the water from the second water outlet 303, and guarantee persistently has water to flow out from service water outlet, thus 400 benefit of stopper Realize the preferential water supply and lasting water outlet of water container 100, with buoyancy and gravity conducive to " zero cold water " function for realizing water heater Can, and structure is simple, high reliablity.

It should be appreciated that in the description of the present invention, including water container 100 outside the anhydrous supply of water container 100 Inside residual fraction water both of these case absolutely not is gone back in water and water container 100.

Further, as shown in figures 12-16, floatation element includes: floating ball 420 and piston 430.It is appreciated that floating ball 420 be internal gassiness sealed spheroid, and floating ball 420 can be located at communication port 401 to open and the company of closure with floating up and down Port 401.For example, cut-off sealing ring 404 can be set at communication port 401, it is close between pedestal 410 and floating ball 420 to enhance Feng Xing.Piston 430 is movably arranged in pedestal 410, and piston 430 is connected with floating ball 420, band of the piston 430 in floating ball 420 It is moved up and down under dynamic.Floatation element piston 430 at moisturizing position is connected to moisturizing interface 403 and water supply interface 402, floatation element At water supply position, piston 430 blocks moisturizing interface 403.

In some specific embodiments of the utility model, as shown in figures 12-16, piston 430 have water hole 431, It is connected to the water passage 432 and occlusion part 433 of water hole 431 and water supply interface 402, floatation element crosses water at moisturizing position Hole 431 is connected to moisturizing interface 403, and floatation element occlusion part 433 at water supply position blocks moisturizing interface 403.

As a result, water container 100 is anhydrous feed to water sucking mouth 204 in the case where, floating ball 420 can be fallen under gravity to End above sealing ring 404, the inner space of sealed base 410 and water container 100, moisturizing position as shown in Figure 13 and Figure 14 It sets, at this point, the water hole 431, water passage 432 on the piston 430 that floating ball 420 is connected are connected to moisturizing interface 403, and mistake Water hole 431 is further connected to water supply interface 402 with water passage 432, in this way, water flow is fashionable when moisturizing interface 403 has, is cut Locking apparatus 400 is in water compensating state, and flow path is as shown in the arrow in Figure 13 and Figure 14.

After intaking in water container 100, liquid level can be gradually risen, and as shown in Figure 15 and Figure 16, floating ball 420 is made in buoyancy Float under, meanwhile, the piston 430 connecting with floating ball 420 can float together, so that the channel sealed originally is opened, Water supply interface 402 is communicated with the inside of water container 100, and blocks moisturizing interface at this time by the piston 430 of 420 pull-up of floating ball 403, play the role of shutting off, only a small amount of water can be flowed into from moisturizing interface 403, and guarantee is stored in water container 100 Water is preferentially flowed out from water supply interface 402, and stopper 400 is i.e. in service position, flow path such as Figure 15 and Figure 16 at this time Arrow shown in.

When water in water container 100 water level decreasing to cut-off sealing ring 404 height after, floating ball 420 can with liquid level The top for blocking pedestal 410 again, closing passage are reduced, stopper 400 switches to water compensating state.

In some embodiments of the utility model, as shown in figures 12-16, water hole 431 is multiple, multiple water holes 431 being provided at circumferentially spaced along piston 430, each water hole 431 are configured to the axially extending strip along piston 430, It thereby may be ensured that water flow is unimpeded.

Advantageously, as shown in figures 12-16, water hole 431 is located at 433 top of occlusion part, and water passage 432 is along piston 430 axially through occlusion part 433.In this way, piston 430 moves up rear 433 face moisturizing interface 403 of occlusion part, effect of shutting off Fruit is good, also, is conducive to water and flow to water supply interface 402 from top to down.

Some embodiments according to the present utility model, as shown in figures 12-16, communication port 401 are located on moisturizing interface 403 Side, moisturizing interface 403 are located at 402 top of water supply interface, so that structure is compact, space utilization rate is high, the flow path of water It is shorter.

Some embodiments according to the present utility model, as shown in figures 12-16, the central axis of communication port 401, moisturizing connect The central axis of the central axis and water supply interface 402 of mouth 403 is arranged substantially perpendicular to each other.For example, the central axis of communication port 401 with The axial direction of piston 430 orients along the vertical direction, and the central axis of moisturizing interface 403 and the central axis of water supply interface 402 are equal In the horizontal direction, and the central axis upright of moisturizing interface 403 is in the central axis of water supply interface 402.In this way, convenient for the suitable of water Channel Group is dynamic, and water route arrangement is fairly simple.

The lower end of some embodiments according to the present utility model, piston 430 can be equipped with for preventing floatation element from deviating from The stopper section of pedestal 410, in service position, stopper section offsets stopper 400 with pedestal 410, to carry out to floating ball 420 Limit.

Some embodiments according to the present utility model, as shown in figures 12-16, the stopper 400 for water heater is also It include: the top cover 440 for being limited to floatation element, top cover 440 is mounted on pedestal 410 and is located at 420 top of floating ball, Top cover 440 has limbers 441.For example, top cover 440 is provide with pedestal 410, floating ball 420 is located in top cover 440, water container 100 When water inlet, water is entered inside top cover 440 by limbers 441, and after floating ball 420 floats, top cover 440 can limit floating ball 420 Device.

It is appreciated that reversal valve 300 can also be solenoid directional control valve 300, motor driven Rocker arm 5 80, electric motor driven screw Equal electric change valves 300, as long as can guarantee to realize commutation function；Stopper 400 can also be electromagnetic water valve, as long as It can guarantee to realize anhydrous cutoff function；Water-level detecting device 500 can also cooperate electromagnetism to open for electronic type level sensing Close the structure of valve.The utility model is not particularly limited this.

The water admixing device for water heater of a specific embodiment according to the present utility model is described with reference to the accompanying drawings 10 course of work.

When liquid level is gradually increased to the preset high water level of water-level detecting device 500, the float of water-level detecting device 500 520 float, and outlet 502 are closed by its inner connecting structure, so that water-level detecting device 500 and the hydraulic pressure of reversal valve 300 are fast Speed increases；

First spool 320 of raised water pressure pushing reversal valve 300 is mobile, and the second spool 330 of linkage changes water route direction, The water to be come by water inlet 301 is discharged and enters the nozzle 220 of water absorber 200 from the second water outlet 303；

In bathing experience, the water level of water can be gradually reduced in water container 100, when liquid level reaches preset low water level, be cut Floating ball 420 inside locking apparatus 400 falls and blocks communication port 401, and piston 430 is connected to moisturizing interface 403 and water supply interface 402, water sucking mouth 204 sucks the water flowed out from the second water outlet 303；

After shower, water mixing valve or water valve 20 are closed, and reversal valve 300 resets under spring force (to be switched to Original state), reversal valve 300 becomes 302 effluent state of the first water outlet, after water-level detecting device 500 is reduced also with liquid level It automatically resets and (switches to water compensating state), wait use next time.

In above procedure, when shower temperature (i.e. the leaving water temperature of shower 30) be arranged at 40 DEG C, hydraulic pressure 0.2MPa, mix water The flow of valve or water valve 20 is 6L/min, and water suction flow is 1.0L/min, after the cold water that water sucking mouth 204 sucks is mixed with hot water, There is following mixing temperature:

Absorb water temperature	Water-mixing temperature
		5℃	35℃
10℃	35.7℃
		20℃	37.1℃
30℃	38.5℃

User in actual use, since the water suction temperature in winter is lower, at this point it is possible to which the shower of setting is suitably turned up Temperature, such as 41 DEG C or 42 DEG C, guarantee suitable water of relaxing；Leaving water temperature can also be improved by reducing the cold water flow of sucking, but Meet user to actually use habit and recycle stored cold water in the period that can take a shower at one.Spring and autumn even When summer water suction temperature reaches 20 DEG C, after mixing water using the cold water previously stored, water-mixing temperature will reach 37 DEG C, be fully achieved The condition that can directly take a shower.

It is appreciated that leaving water temperature will return to normal value after the cold water of storage has absorbed.

According to the water admixing device 10 for water heater of the utility model embodiment, can directly be connected in water circuit system It solves the problems, such as to bring out cold water before taking a shower, from the water mixing valve or water valve 20 and shower 30 without reequiping user's family.

According to the water heater of the utility model second aspect embodiment, including according to the utility model first aspect embodiment The water admixing device 10 for water heater.For example, water heater can be gas heater, electric heater, wall-hung boiler hot water The biggish water heater of the flows such as device, air energy water heater.

According to the water heater of the utility model embodiment, the water admixing device 10 as described above for being used for water heater, tool are utilized There is " zero cold water " function, and structure is simple, at low cost, installation procedure is few, safe and reliable, energy saving, requirement is low, applicability By force.

According to other compositions of the water heater of the utility model embodiment and operate for those of ordinary skill in the art For be all it is known, be not detailed herein.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " multiple " It is two or more.

" fisrt feature ", " second feature " may include one or more spy in the description of the present invention, Sign, fisrt feature may include that the first and second features directly contact in second feature " on " or " under ", also may include First and second features are not direct contacts but by the other characterisation contacts between them.Fisrt feature is in second feature " on ", " top " and " above " include fisrt feature right above second feature and oblique upper, or be merely representative of fisrt feature Level height is higher than second feature.

It should be noted that in the description of the present invention, unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can also be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned The concrete meaning of term in the present invention.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " specific embodiment ", " show The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example It is contained at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms It may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office What can be combined in any suitable manner in one or more embodiment or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims

1. a kind of water admixing device for water heater characterized by comprising

Water container, the water container have water storage entrance and service water outlet；

Water absorber, the water absorber have jet inlet, jet exit and go out with the jet inlet and the jet stream The venturi runner that is respectively communicated with of mouth, the jet exit are suitable for being connected with the shower of the water heater, the jet inlet and The junction of the venturi runner is equipped with water sucking mouth, and the water sucking mouth is connected to the venturi stream with the service water outlet It supplies water in road；

Reversal valve, the reversal valve have water inlet, the first water outlet and the second water outlet, and the water inlet is suitable for and the heat The water mixing valve of hydrophone or the water outlet connection of water valve, first water outlet are optionally connected to the water storage entrance, institute The second water outlet is stated to be connected to the jet inlet, the reversal valve be configured to control the water entered by the water inlet first from First water outlet outflow, when first water outlet and the water storage entrance disconnect again from the second water outlet stream Out.

2. the water admixing device according to claim 1 for water heater, which is characterized in that further include:

Water-level detecting device, the water level of water-level detecting device water in the water container disconnect when reaching preset high water level First water outlet and the water storage entrance.

3. the water admixing device according to claim 2 for water heater, which is characterized in that the water-level detecting device into It can be switched between water state and off state and include:

Water box, the water box have open ports and discharge outlet, and the open ports are located above the discharge outlet；

Float, the float can floating ground be located in the water box and expose from the open ports；

Water level control member, the water level control member is located at the discharge outlet and is configured to control water to be entered from the open ports The water box and the water box are discharged from the discharge outlet；

Water inlet control assembly, the water inlet control assembly are installed on the water box and have import, control mouth and be located at described Outlet between import and the control mouth, the import is respectively communicated with the control mouth and first water outlet, described Water storage entrance described in export mixes；

Rocker arm, the rocker arm are installed in rotation on the roof of the float and are connected with the water inlet control assembly, wherein

In the water inlet state, the rocker arm opens the control mouth and the water inlet control assembly is connected to the import and institute State outlet；

In the off state, the rocker arm closes the control mouth and the water inlet control assembly disconnects the import and institute State outlet.

4. the water admixing device according to claim 3 for water heater, which is characterized in that the water inlet control assembly packet It includes:

Water-logged base, the water-logged base are located at accommodating in chamber of being formed on the side wall of the water box, and the import and the outlet are set On the water-logged base；

Upper cover, the upper cover are removably mounted on the water-logged base and limit intake antrum jointly with the water-logged base, institute Control mouth is stated to set on the cover；

Controller perturbation part, the controller perturbation part are clamped between the upper cover and the water-logged base and are located at the intake antrum Interior, the controller perturbation part is connected to the import and the outlet under the water inlet state and passes through under the off state The flexible deformation of itself blocks the import.

5. the water admixing device according to claim 4 for water heater, which is characterized in that the upper cover is equipped with guide post, The part corresponding with the entrance location of the controller perturbation part is set in the guide post and between the guide post Limit the water space excessively for being connected to the import and the control mouth.

6. the water admixing device according to claim 4 for water heater, which is characterized in that the outlet is multiple and along institute Being provided at circumferentially spaced for import is stated, limits supporting rib between the two neighboring outlet, the bullet in the off state Property control piece offsets with the supporting rib.

7. the water admixing device according to claim 3 for water heater, which is characterized in that the water-level detecting device also wraps It includes:

Water level regulation part, the water level regulation part is installed in rotation in the water container and the water box and the water The inner wall of container offsets, and the water level regulation part and the water box are threadedly engaged so that the rotary motion of itself is converted to the water The elevating movement of box.

8. the water admixing device according to claim 1 for water heater, which is characterized in that the venturi runner includes edge Contracted channel, mixing runner and the expansionary channel that direction from the jet inlet to the jet exit is sequentially connected, it is described The circulation area of contracted channel is along from the jet inlet to the reduction of the direction of the jet exit and the stream of the expansionary channel Logical area increases along from the jet inlet to the direction of the jet exit, the company of the jet inlet and the contracted channel It meets place and is equipped with the water sucking mouth.

9. the water admixing device according to claim 1 for water heater, which is characterized in that the water absorber includes:

Tube body, the jet inlet, the jet exit and the venturi runner are respectively arranged on the tube body；

Nozzle, the nozzle are installed on the tube body and are connected to the jet inlet, and there is the nozzle edge to penetrate from described The injection runner that the direction circulation area of inflow entrance to the jet exit reduces.

10. the water admixing device according to claim 1 for water heater, which is characterized in that the reversal valve is in initial shape It can be switched between state and commutation states and include:

Valve body, the valve body have the water inlet, first water outlet, second water outlet, the first movement chamber and the Two movement chambers；

First spool, first spool are movably arranged at the first movement chamber between the first position and the second position It is interior；

Second spool, it is intracavitary that second spool is movably arranged at second movement between initial position and commutation position And with first valve spool, wherein

In the original state, first spool is located at the first position and second spool is located at the initial bit It sets, second spool is connected to the water inlet and first water outlet only to intake to the water container；

When first water outlet and the water storage entrance disconnect, first spool is moved to the second position and drives institute It states the second spool and is moved to the commutation position, second spool is only connected to the water inlet and second water outlet, institute It states reversal valve and switches to the commutation states.

11. the water admixing device according to claim 10 for water heater, which is characterized in that the reversal valve further include:

Connecting rod, the connecting rod are rotatably arranged on the valve body and are connected with second spool, wherein

In the original state, first spool offsets with the connecting rod；First water outlet and the water storage entrance When disconnection, first spool pushes the link rotatable, and the connecting rod drives second spool to be moved to the commutation position It sets.

12. the water admixing device according to claim 11 for water heater, which is characterized in that in the commutation states, First spool and the connecting rod are separable to be moved to the first position.

13. the water admixing device according to claim 10 for water heater, which is characterized in that first spool is in water The second position is moved to by the first position under static pressure effect.

14. the water admixing device according to claim 10 for water heater, which is characterized in that first spool is equipped with First elastic component, first elastic component have the power that first spool is often driven onto the first position；

Second spool is equipped with the second elastic component, and second elastic component is described first with second spool to be often driven onto The power of beginning position.

15. the water admixing device according to claim 1 for water heater, which is characterized in that further include:

Stopper, the stopper are mounted in the water container and have communication port and water supply interface, the connection Mouth is connected to the inner space of the water container, and the water supply interface is connected to the service water outlet, and the stopper is by structure The communication port is closed when causing the water level of the water in the water container lower than preset low water level.

16. the water admixing device according to claim 15 for water heater, which is characterized in that the stopper, which is equipped with, to be mended Water interface, the moisturizing interface are connected to second water outlet, and the stopper is configured in water compensating state and water supply Can be switched between state, the stopper communication port is blocked in the water compensating state and the connection water supply interface and The moisturizing interface, the stopper block the moisturizing interface in the service position and open the communication port with even Lead to the water supply interface and the communication port.

17. the water admixing device according to claim 16 for water heater, which is characterized in that the stopper includes:

Pedestal, the pedestal have the communication port, the water supply interface and the moisturizing interface；

Floatation element, the floatation element between moisturizing position and water supply position can floating ground set on the base, it is described Floatation element when falling to the moisturizing position under self gravitation effect the stopper switch to the water compensating state, institute It states stopper when floatation element floats under the buoyancy of water to the water supply position and switches to the service position.

18. the water admixing device according to claim 17 for water heater, which is characterized in that the floatation element includes:

Floating ball, the floating ball can be located at the communication port to open and block the communication port with floating up and down；

Piston, the piston are movably arranged in the pedestal and are connected with the floating ball, and the floatation element is in the benefit The piston is connected to the moisturizing interface and the water supply interface when water position, and the floatation element is in water supply position when institute It states piston and blocks the moisturizing interface.

19. a kind of water heater, which is characterized in that including being used for the mixed of water heater described according to claim 1 any one of -18 Water installations.