CN209178673U - A kind of washing automatic release device of agent - Google Patents

Abstract

The utility model provides a kind of automatic release device of washing agent, automatic release device is connected to water supply device, washing tube respectively, automatic release device includes primary path, bypass, current return circuit and at least one the storage box, primary path is connected to water supply device, washing tube, bypass is connect with primary path, current return circuit is connected to bypass, washing tube, at least one control valve is provided in bypass；The storage box is connect by launching access and bypass, the storage box with pressure supply device, launches and valve body is arranged on access, be provided with flow detector on current return circuit；A kind of washing described in the utility model automatic release device of agent, washing can be accurately controlled with agent injected volume；Venturi negative pressure device in the prior art is eliminated simultaneously, not only reduces the difficulty of pipeline assembly, and simplifies the structure of automatic release device to a certain extent, convenient for the processing and assembly of automatic release device, advantageously reduces production cost.

Description

A kind of washing automatic release device of agent

Technical field

The utility model relates to wash the automatic release device for using agent, more particularly to the automatic dispensing of liquid washing agent Device.

Background technique

With the development of economy, people's lives level is continuously improved, to washing facility (such as washing machine, dish-washing machine) Demand is also continuously improved.And for conventional washing facility, the liquid washing agent that the person of often requiring to use will launch is prior It is stored in specified receptacle, washing facility is rushed according to washing course by water or other mechanical methods are washing agent It is punched into washing tube.The injected volume of this method, washing agent depends on the randomness of user's operation, and washed every time Journey requires to add washing agent to receptacle.It is primary in washing facility with the continuous enhancement of washing agent fluidization Property storage volume washing with agent be a kind of application trend, such user can launch therein as needed in washing process A certain amount of washing agent, this can not only reduce the troublesome in poeration of user, can also be according to washing species, washing object amount Difference, automatically adjust washing agent injected volume.So configuring washing on washing facility with agent automatic release device is a kind of hair Open up direction.

But in the prior art, it is complex often to there is structure in detergent embarking device, and it is not quasi- enough to launch precision The problems such as true.Application No. is 200820038898.1 patent applications, disclose a kind of laundry machine washing using Venturi effect Agent delivery device is washed, including that can store the detergent storage tank of detergent, be formed in the detergent adding hole of detergent tank bottom, The connection of detergent adding hole has the pipeline of solenoid valve, and the other end of pipeline and the small bore tube of Venturi tube connect, Venturi tube It is mountable or metering device for dosage detergent amount is not installed on pipeline before, valve is had on the metering device.Text Venturi is connect with detergent box again after connecting one section of conveyance conduit, which can also be directly toward washing machine.But the Shen Please in detergent throwing device generate negative pressure using the water flow of tap water, and the size of negative pressure and tap water pressure and flow Relationship is very big, therefore directly using when the water inlet generation negative pressure of solenoid valve, the negative pressure fluctuation range of generation can be very in washing facility Greatly, the dispensing precision of detergent is difficult to control；Detergent throwing device structure simultaneously in this application is complex, especially literary The setting of venturi is not only not easy to process and assemble, but also is unfavorable for reducing production cost.

Application No. is 201310358805.9 patent applications, disclose a kind of detergent dispensing controller, have main logical Road, main channel one end are the entrance for inputting liquid stream, and the main channel other end is the outlet that can be connect with washing tube water inlet, are equipped with valve Door A, valve B, valve C, valve D, liquid collecting cavity and venturi negative pressure generator, the entrance of valve A and the main channel bypass Connection, the entrance of valve B can lead to detergent A liquid reserve tank, and the outlet of valve A and valve B and the entrance of valve C lead to, valve The entrance of door D can lead to detergent B liquid reserve tank, and the outlet of valve C and valve D and the entrance of liquid collecting cavity lead to, liquid collecting cavity Outlet is led to through return flow line and the negative pressure mouth of venturi negative pressure generator, and the outlet of venturi negative pressure generator and the master are logical The entrance in road leads to, and the entrance of venturi negative pressure generator is the entrance connecting with water source.But the detergent in this application is launched The structure of controller is complex, especially the setting of venturi negative pressure generator, is not only not easy to process and assemble, but also unfavorable In reduction production cost.

Utility model content

In view of this, the utility model is directed to a kind of automatic release device of washing agent, to solve the prior art Present in structure it is complex, launch the not accurate enough problem of precision.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of washing automatic release device of agent, the automatic release device are connected to water supply device, washing tube respectively, The automatic release device includes primary path, bypass, current return circuit and at least one the storage box, and the primary path and water supply fill It sets, washing tube connection, the entrance of the bypass is connect with primary path, the entrance of the current return circuit and the outlet of bypass, The outlet of the current return circuit is connected to washing tube；At least one control valve is provided in the bypass, the storage box is logical Cross dispensing access and bypass, the outlet of the outlet for launching access and control valve, the storage box and pressure supply Device connects, and valve body is arranged on the dispensing access, is provided with flow detector on the current return circuit.

Further, the valve body includes at least one of check valve, solenoid valve, switching valve.

Further, the automatic release device includes liquid collecting cavity, and the outlet of the bypass is logical by liquid collecting cavity and reflux The entrance on road is connected to.

Further, the storage box is connect by launching access with liquid collecting cavity.

Further, the storage box includes the first box body, the second box body；The dispensing access includes the first access, the Two accesses；First box body is connected to by the first access with bypass or liquid collecting cavity；Second box body passes through alternate path and bypass or collection Sap cavity connection；The valve body includes the first check valve, second one-way valve, and the first check valve is arranged on first access, described Second one-way valve is set on alternate path.

Further, the control valve include the first control valve, the second control valve, the outlet of first control valve with The outlet of first check valve, the entrance connection of the second control valve, the outlet of second control valve and the outlet of second one-way valve Connection.

Further, the storage box includes the first box body, the second box body；The valve body is three-way switch valve, the valve The entrance of body is connected to the first box body, the second box body respectively, and the outlet of the valve body is by launching access and bypass.

Further, the pressure supply device includes the first air pump, the second air pump, and first air pump and the first box body connect It connects, second air pump is connect with the second box body.

Further, the pressure supply device includes an air pump and threeway switching device, and the air pump is cut with threeway The entrance of changing device connects, and the outlet of the threeway switching device is connect with the first box body, the second box body respectively.

Compared with the existing technology, a kind of automatic release device of washing agent described in the utility model has following excellent Gesture:

A kind of washing described in the utility model automatic release device of agent, is bypassed by being arranged on primary path, Control valve, flow detector cooperation under, using pressure supply device by the washing in the storage box with agent launch into bypass, from And the injected volume of washing agent can accurately be controlled；In addition, passing through pressure supply device in the present embodiment is washing agent It launches and power is provided, eliminate the venturi negative pressure device generallyd use in the prior art, not only reduce the difficulty of pipeline assembly Degree, and the structure of automatic release device is simplified to a certain extent, convenient for the processing and assembly of automatic release device, favorably In reduction production cost.

Detailed description of the invention

The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.? In attached drawing:

Fig. 1 is a kind of schematic diagram of the automatic release device of washing agent described in the utility model embodiment；

Fig. 2 is a kind of a kind of schematic diagram of the automatic release device of washing agent described in the utility model embodiment；

Fig. 3 is a kind of another schematic diagram of the automatic release device of washing agent described in the utility model embodiment；

Fig. 4 is a kind of structure chart of the automatic release device of washing agent described in the utility model embodiment；

Fig. 5 is a kind of a kind of structure chart of the automatic release device of washing agent described in the utility model embodiment；

Fig. 6 is a kind of another structure chart of the automatic release device of washing agent described in the utility model embodiment；

Fig. 7 is a kind of structural schematic diagram of the automatic release device of washing agent described in the utility model embodiment；

Fig. 8 is a kind of a kind of structural representation of the automatic release device of washing agent described in the utility model embodiment Figure.

Description of symbols:

Water supply device 1, washing tube 2, primary path 3, bypass 4, control valve 41, the first control valve 41a, the second control valve 41b, liquid collecting cavity 42, flow detector 43 launch access 5, the first access 5a, alternate path 5b, valve body 51, the first check valve 51a, second one-way valve 51b, the storage box 6, the first box body 6a, the second box body 6b, pressure supply device 7, air pump 71, the first air pump 71a, the second air pump 71b, threeway switching device 72, current return circuit 8.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In addition, it is necessary to explanation, washing agent, is each meant in the prior art involved in the embodiments of the present invention Liquid washing agent including products such as conventional detergent, softener, bleaching agents be the prior art in view of it, herein not It is repeated.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

Embodiment 1

As shown in attached drawing 1-8, a kind of washing agent automatic release device is connected to water supply device 1, washing tube 2 respectively；Institute Stating water supply device 1 is conventional household tap water pipeline or water tank, provides slurry, slurry stream by water supply device 1 Through the automatic release device, while automatic release device launches washing in slurry with agent, enables and washs with agent It is enough to enter in washing tube 2 with slurry, to realize the dispensing of washing agent.

It is complex in order to solve structure present in automatic release device in the prior art, it is not accurate enough to launch precision Problem, in the present embodiment, the automatic release device include primary path 3, bypass 4, current return circuit 8 and at least one storage Box 6, the primary path 3 are connected to water supply device 1, washing tube 2, and the entrance of the bypass 4 is connect with primary path 3, the reflux The entrance of access 8 and the outlet of bypass 4, the outlet of the current return circuit 8 are connected to washing tube 2, are arranged in the bypass 4 There is at least one control valve 41, the control valve 41 is the traditional valves such as solenoid valve, pneumatic operated valve；

The storage box 6 is internally provided with the cavity for holding washing agent, and in control valve 41 and current return circuit 8 Between, the storage box 6 is connected to by launching access 5 with bypass 4, i.e., the described outlet for launching access 5 and control valve 41 Outlet, the storage box 6 are connect with pressure supply device 7, and the pressure supply device 7 provides device for air pressure, are used for the storage box 6 Middle pressurization；Specifically, the pressure supply device 7 is the conventional pressure supply equipment such as air pump, air bag；

Valve body 51 is set on the dispensing access 5, flow detector 43 is provided on the current return circuit 8, to reflux The traffic conditions of liquid in access 8 are detected, and the flow detector 43 is that conventional flowmeter or flow pass Sensor.

The valve body 51 can be first shut off control valve 41, clear water stops when needing to launch washing agent for solenoid valve Fluid stopping enters bypass 4, then opens air pump and valve body 51 simultaneously, and air pump pressurizes into the storage box 6, and washing agent is pushed in pressure Under, it flows through valve body 51, launch access 5, into bypass 4, after washing agent injected volume reaches predetermined amount, close air pump, valve Body 51 is then turned on control valve 41, and clear water back flows back into bypass 4, and drives the washing agent in investment bypass 4, flows through back Logical circulation road 8, into washing tube 2, to realize the dispensing of washing agent；

The valve body 51 can be that check valve makes for limiting the flow direction for launching liquid in access 5 Obtaining the washing agent in the storage box 6 can launch in bypass 4, while prevent the Material recirculation in bypass 4 into the storage box 6, Avoid in the storage box 6 that washing agent is contaminated to be happened；Wherein, when valve body 51 is check valve, the washing dispensing of agent Launch process when process and valve body 51 are solenoid valve is identical, the difference is that check valve can be set to normally open.

The valve body 51 can be switching valve, such as threeway or multi direction changeover valve, allow hand over the opening and closing in different accesses State, to control the current intelligence of different accesses；It washs the dispensing when launch process for using agent and valve body 51 are solenoid valve Cheng Xiangtong, difference are that solenoid valve is the opening and closing by control valve, carry out the current intelligence of control access, and switching valve is to pass through The connection status of switch valve and pipeline carrys out the current intelligence of control access.

At the same time, in the automatic release device, valve body 51 can also be using check valve, solenoid valve, switching valve etc. The form that valve is combined with each other is carried out using specifically used process and the use process of each single valve are almost the same, herein Without repeating.

Embodiment 2

The present embodiment provides a kind of washing agent put-on method in the structure basis of embodiment 1, comprising:

S1, water supply device 1 is opened；

At this point, control valve 41 can be open state, or closed state；If control valve 41 is open state When, while the slurry that water supply device 1 provides flows into washing tube 2 by primary path 3, also by bypass 4 and current return circuit 8, it flows into washing tube 2；If control valve 41 is in off state, the slurry that water supply device 1 provides only passes through primary path 3 Flow into washing tube 2.

S2, closing control valve 41 open pressure supply device 7；

It should be noted that if then check valve is set as normally open when valve body 51 is check valve, it is only necessary to open for press fitting 7 are set, without operating to valve body 51；If valve body 51 is solenoid valve or switching valve, need when opening pressure supply device 7, It opens valve body 51 or corresponding handover operation is carried out to valve body 51.

Specifically, by taking valve body 51 is check valve as an example, while dispensing in order to realize washing agent, it is ensured that use washing Agent injected volume is accurately controlled, and first ensures that control valve 41 is in close state, while flow detector 43 stops meter Amount, brings interference with the measurement of agent injected volume to washing so as to avoid slurry；It is then turned on pressure supply device 7, for press fitting It sets 7 to pressurize into the storage box 6, when the pressure in the storage box 6 reaches pressure threshold, the washing agent in the storage box 6 passes through valve Body 51, which flows through, launches access 5, and enters in bypass 4.

S3, the fluid integrated flow value for obtaining flow detector 43 in real time；

On the basis of step S2, with the dispensing of washing agent, flow detector 43 restarts to measure, and obtains in real time Take the fluid integrated flow value of flow detector 43.

S4, judge whether the variable quantity of fluid integrated flow reaches preset value；It is then to carry out step S5；It is no, then return to step Rapid S3；

After opening pressure supply device 7, by the fluid integrated flow value obtained in real time in step S3, pressure supply is opened in judgement certainly Whether the variable quantity of the fluid integrated flow after device 7 reaches preset value；It is then to illustrate that washing agent reaches preset dispensing Amount, can continue subsequent step S5；It is no, then illustrate that washing is not up to preset injected volume with agent, still needs to continue It launches.

S5, pressure supply device 7, opening controlling valve door 41 are closed；

It should be noted that if then check valve is set as normally open when valve body 51 is check valve, it is only necessary to close for press fitting 7 are set, without operating to valve body 51, is then turned on control valve 41；If valve body 51 is solenoid valve or switching valve, need Pressure supply device 7 is closed, valve body 51 or corresponding handover operation is carried out to valve body 51, is then turned on control valve 41.

Specifically, determining by the detection of step S4, by taking valve body 51 is check valve as an example when washing agent reaches preset When injected volume, pressure supply device 7 can be closed, so that washing stops launching with agent；It is then turned on control valve 41, slurry stream Enter in bypass 4, drives washing to flow through current return circuit 8 with agent, launch in washing tube 2.

S6, water supply device 1 is closed.

It is identical with conventional arrangement or conventional cognitive to be, when the water intake into washing tube 2 reaches predetermined amount of water, or into After water duration reaches preset duration, then water supply device 1 is closed, stops water inlet.

So that in the present embodiment, 4 are bypassed by being arranged on primary path 3, in control valve 41, flow detector 43 Cooperation under, using pressure supply device 7 by the washing in the storage box 6 with agent launch to bypass 4 in, so as to washing agent Injected volume is accurately controlled；In addition, the dispensing in the present embodiment by pressure supply device 7 for washing agent provides power, save The venturi negative pressure device that generallys use in the prior art not only reduces the difficulty of pipeline assembly, and to a certain degree On simplify the structure of automatic release device and advantageously reduce production cost convenient for the processing and assembly of automatic release device.

Embodiment 3

In view of daily washing is more sticky with agent, bypass 4, with slurry mix in current return circuit 8 it is dilute It releases, may result in that washing dilution agent is insufficient, influence the dispensing of washing agent, it is sufficiently dilute in order to be carried out to washing with agent It releases, as shown in Fig. 1, the present embodiment carries out the corresponding transformation of structure on the basis of embodiment 1 or embodiment 2；It is described automatic Delivery device includes liquid collecting cavity 42, and the outlet of the bypass 4 is connected to by liquid collecting cavity 42 with the entrance of current return circuit 8, i.e., described Liquid collecting cavity 42 is connect with bypass 4, current return circuit 8 respectively, a relatively large liquid storage space is provided, so that launching into bypass 4 In detergent carried out in liquid collecting cavity 42 sufficiently dilution after, then flowed into current return circuit 8 again, on current return circuit 8 flow examine It surveys device 43 to detect its traffic conditions, so as to avoid more sticky washing agent directly through flow detector 43, caused flow detector 43 read it is unstable, reading error or flow detector 43 blocking and so on, from And be conducive to protect flow detector 43, make automatic release device after a number of uses, still is able to guarantee flow The accuracy and stability that detection device 43 is read.

At the same time, as shown in Fig. 2, the storage box 6 can also be connect by launching access 5 with liquid collecting cavity 42, from And the washing agent launched in the storage box 6 is directly entered in liquid collecting cavity 42 without bypass 4.

Wherein, identical as embodiment 1 or embodiment 2, valve body 51 includes at least one in check valve, solenoid valve, switching valve Kind.

Embodiment 4

In view of daily washing facility often requires to use a variety of washing agent, for the ease of user routine use and Operation, while the mutual pollution between different washing agent is avoided, as shown in Fig. 3, the present embodiment is any in embodiment 1-3 The corresponding transformation of structure is carried out on the basis of embodiment；The automatic release device includes at least two the storage box 6；

Specifically, by taking automatic release device includes two the storage box 6 as an example, respectively the first box body 6a, the second box body 6b； Correspondingly, the dispensing access 5 includes mutually independent first access 5a, alternate path 5b, lead in control valve 41 and reflux Between road 8, the first box body 6a is connected to by the first access 5a with bypass 4 or liquid collecting cavity 42, and the second box body 6b passes through alternate path 5b is connected to bypass 4 or liquid collecting cavity 42；The valve body 51 includes the first check valve 51a, second one-way valve 51b, and described first is logical Setting second one-way valve 51b on first check valve 51a, the alternate path 5b is set on the 5a of road.

The pressure supply device 7 includes the first air pump 71a, the second air pump 71b, the first box body 6a and the first air pump 71a Connection, the second box body 6b are connect with the second air pump 71b.

Specifically when launching washing agent, if necessary to use the washing agent stored in the first box body 6a, it is only necessary to close Control valve 41 is then turned on the first air pump 71a, and the second air pump 71b is kept to close, and can wash realizing in the first box body 6a With the dispensing of agent；If necessary to use the washing agent stored in the second box body 6b, it is only necessary to which closing control valve 41 is then turned on Second air pump 71b keeps the first air pump 71a to close, and can will realize the dispensing of washing agent in the second box body 6b.If washing After reaching preset injected volume with agent, it is only necessary to close corresponding air pump, be then turned on control valve 41, can throw washing with agent It is put into washing tube 2.

Embodiment 5

In order to further control the launch process of different washings agent, as shown in Fig. 4, the present embodiment is being implemented The corresponding transformation of structure is carried out on the basis of example 4；At least two control valves 41, and control valve are provided in the bypass 4 41 correspond with the storage box 6；

Specifically, being provided with the first control valve in the bypass 4 so that automatic release device includes two the storage box 6 as an example 41a, the second control valve 41b；Between the first control valve 41a and the second control valve 41b, the first box body 6a passes through the first access 5a It is connected to bypass 4；Between the second control valve 41b and current return circuit 8, the second box body 6b by alternate path 5b and bypass 4 or Liquid collecting cavity 42 is connected to；Specifically, the outlet of the first control valve 41a and outlet, the second control valve of the first check valve 51a The entrance of 41b is connected to, the outlet of the second control valve 41b and the outlet of second one-way valve 51b.

Specifically when launching washing agent, if necessary to use the washing agent stored in the first box body 6a, it is only necessary to close First control valve 41a keeps the second control valve 41b to open, and is then turned on the first air pump 71a, and the second air pump 71b is kept to close, It can will realize the dispensing of washing agent in the first box body 6a；If necessary to using the washing agent stored in the second box body 6b, It only needs to close the second control valve 41b, is then turned on the second air pump 71b, keep the first air pump 71a to close, can will realize second The washing dispensing of agent in box body 6b.After if washing agent reaches preset injected volume, it is only necessary to close corresponding air pump, then So that the first control valve 41a, the second control valve 41b is in open state, washing can be launched in washing tube 2 with agent.

Embodiment 6

As shown in Fig. 5, the present embodiment carries out the corresponding transformation of structure on the basis of embodiment 4；The pressure supply device 7 Including an air pump 71 and threeway switching device 72, the air pump 71 is connect with threeway switching device 72, and the threeway is cut Changing device 72 is connect with the first box body 6a, the second box body 6b respectively；Specifically, the air pump 71 and threeway switching device 72 Entrance connection, the outlet of the threeway switching device 72 is connect with the first box body 6a, the second box body 6b respectively.

Specifically when launching washing agent, if necessary to use the washing agent stored in the first box body 6a, it is only necessary to close Then threeway switching device 72 is switched and is connected to the first box body 6a by control valve 41, unlatching air pump 71, can will realize the The washing dispensing of agent in one box body 6a；If necessary to use the washing agent stored in the second box body 6b, it is only necessary to close control Then threeway switching device 72 is switched and is connected to the second box body 6b by valve 41, open air pump 71, the second box body can be realized The washing dispensing of agent in 6b.After if washing agent reaches preset injected volume, it is only necessary to close air pump 71, be then turned on control Valve 41 processed can launch washing in washing tube 2 with agent.

Embodiment 7

As shown in Fig. 6, the present embodiment carries out the corresponding transformation of structure on the basis of embodiment 5；The pressure supply device 7 Including an air pump 71 and threeway switching device 72, the air pump 71 is connect with threeway switching device 72, and the threeway is cut Changing device 72 is connect with the first box body 6a, the second box body 6b respectively；Specifically, the air pump 71 and threeway switching device 72 Entrance connection, the outlet of the threeway switching device 72 is connect with the first box body 6a, the second box body 6b respectively.

Specifically when launching washing agent, if necessary to use the washing agent stored in the first box body 6a, it is only necessary to close First control valve 41a keeps the second control valve 41b to open, and then switches threeway switching device 72 and is connected to the first box body 6a, Air pump 71 is opened, can will realize the dispensing of washing agent in the first box body 6a；If necessary to using being deposited in the second box body 6b The washing agent put, it is only necessary to close the second control valve 41b, be then turned on the second air pump 71b, then cut threeway switching device 72 It changes and is connected to the second box body 6b, open air pump 71, the dispensing of washing agent in the second box body 6b can be realized.If washing is used After agent reaches preset injected volume, it is only necessary to close air pump 71, then be in the first control valve 41a, the second control valve 41b Open state can launch washing in washing tube 2 with agent.

Embodiment 8

The present embodiment converted accordingly in the structure basis of any embodiment in embodiment 4-7, in particular to, this Embodiment can be identical as any embodiment in embodiment 4-7, but with embodiment 4-7 the difference is that the valve body 51 includes First solenoid valve, second solenoid valve are arranged the first solenoid valve on the first access 5a, are arranged second on the alternate path 5b Solenoid valve；It can be considered and the first check valve 51a in embodiment 4-7 replaced with into the first solenoid valve, by embodiment 4-7 Two check valve 51b replace with second solenoid valve；It is normally off as preferably the first solenoid valve, second solenoid valve.

During the washing agent specifically stored in launching the first box body 6a, need to open when opening pressure supply device 7 The first solenoid valve is opened, is washed out after reaching default injected volume with agent, when closing pressure supply device 7, is also switched off the first solenoid valve i.e. It can；In addition, the operating process of the remaining part including pressure supply device 7 is identical as any embodiment in embodiment 4-7, herein Without repeating；

Likewise, launch the second box body 6b in store washing agent when, need when opening pressure supply device 7, unlatching Second solenoid valve is washed out after reaching default injected volume with agent, when closing pressure supply device 7, is also switched off second solenoid valve； In addition, the operating process of the remaining part including pressure supply device 7 is identical as any embodiment in embodiment 4-7, herein not It is repeated.

Embodiment 9

As shown in attached drawing 7-8, the present embodiment is become in the structure basis of any embodiment accordingly in embodiment 4-7 Change, in particular to, the present embodiment can be identical as any embodiment in embodiment 4-7, but with embodiment 4-7 the difference is that The valve body 51 is three-way switch valve, and the entrance of the valve body 51 is connected to the first box body 6a, the second box body 6b respectively, the valve The outlet of body 51 is connected to by launching access 5 with bypass 4；At the same time, a control valve 41 is only set in bypass 4, The outlet of the outlet for launching access 5 and control valve 41；

Preferably, the valve body 51 is the threeway valve arrangement with conventional handoff functionality, there are at least three kinds switching shapes State, comprising: the first switching state (only by the first box body 6a with launch the state that is connected to of access 5), the second switching state are (only by the Two box body 6b with launch the state that be connected to of access 5), (the first box body 6a, the second box body 6b do not lead to launching third switching state The state that road 5 is connected to)；And the third switching state of the valve body 51 is the conventional sense of valve body 51.

During the washing agent specifically stored in launching the first box body 6a, need when opening pressure supply device 7, it will Valve body 51 is switched to the first switching state, is washed out after reaching default injected volume with agent, when closing pressure supply device 7, by valve body 51 are switched to third switching state；In addition, the operating process of the remaining part including pressure supply device 7 and embodiment 4- Any embodiment is identical in 7, herein without repeating；

Likewise, launch the second box body 6b in store washing agent when, need when opening pressure supply device 7, by valve Body 51 is switched to the second switching state, is washed out after reaching default injected volume with agent, when closing pressure supply device 7, by valve body 51 It is switched to third switching state；In addition, the operating process of the remaining part including pressure supply device 7 and embodiment 4-7 Middle any embodiment is identical, herein without repeating.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (9)

1. it is a kind of washing use agent automatic release device, the automatic release device respectively with water supply device (1), washing tube (2) Connection, which is characterized in that the automatic release device include primary path (3), bypass (4), current return circuit (8) and at least one The storage box (6), the primary path (3) are connected to water supply device (1), washing tube (2), the entrance and primary path of the bypass (4) (3) it connects, the entrance of the current return circuit (8) and the outlet of bypass (4), the outlet and washing of the current return circuit (8) Bucket (2) connection；At least one control valve (41) is provided on the bypass (4), the storage box (6) is by launching access (5) it is connected to bypass (4), the outlet of the outlet for launching access (5) and control valve (41), the storage box (6) It is connect with pressure supply device (7), valve body (51) is set on the dispensing access (5), flow inspection is provided on the current return circuit (8) It surveys device (43).

2. the automatic release device that agent is used in a kind of washing according to claim 1, which is characterized in that valve body (51) packet Include at least one of check valve, solenoid valve, switching valve.

3. the automatic release device that agent is used in a kind of washing according to claim 1, which is characterized in that the automatic dispensing dress It sets including liquid collecting cavity (42), the outlet of the bypass (4) is connected to by liquid collecting cavity (42) with the entrance of current return circuit (8).

4. the automatic release device that agent is used in a kind of washing according to claim 3, which is characterized in that the storage box (6) It is connect by launching access (5) with liquid collecting cavity (42).

5. the automatic release device that agent is used in a kind of washing according to claim 3, which is characterized in that the storage box (6) Including the first box body (6a), the second box body (6b)；The dispensing access (5) includes the first access (5a), alternate path (5b)；The One box body (6a) is connected to by the first access (5a) with bypass (4) or liquid collecting cavity (42)；Second box body (6b) passes through alternate path (5b) is connected to bypass (4) or liquid collecting cavity (42)；The valve body (51) includes the first check valve (51a), second one-way valve (51b) is arranged the first check valve (51a) on first access (5a), second one-way valve is arranged on the alternate path (5b) (51b)。

6. the automatic release device that agent is used in a kind of washing according to claim 5, which is characterized in that the control valve It (41) include the first control valve (41a), the second control valve (41b), outlet and the first check valve of first control valve (41a) The outlet of (51a), the entrance connection of the second control valve (41b), the outlet and second one-way valve of second control valve (41b) The outlet of (51b).

7. the automatic release device that agent is used in a kind of washing according to claim 1, which is characterized in that the storage box (6) Including the first box body (6a), the second box body (6b)；The valve body (51) is three-way switch valve, and the entrance of the valve body (51) is distinguished It is connected to the first box body (6a), the second box body (6b), the outlet of the valve body (51) is by launching access (5) and bypass (4) even It is logical.

8. according to a kind of described in any item automatic release devices of washing agent of claim 5-7, which is characterized in that the confession Pressure device (7) includes the first air pump (71a), the second air pump (71b), and first air pump (71a) connect with the first box body (6a), Second air pump (71b) connect with the second box body (6b).

9. according to a kind of described in any item automatic release devices of washing agent of claim 5-7, which is characterized in that the confession Pressure device (7) includes an air pump (71) and threeway switching device (72), the air pump (71) and threeway switching device (72) entrance connection, the outlet of the threeway switching device (72) is connect with the first box body (6a), the second box body (6b) respectively.