CN218115895U - Dilution feeding device and clothes treatment equipment - Google Patents

Abstract

The utility model discloses a dilute and put in device and clothing treatment facility, belong to the processing field of fabric, among the current clothing treatment facility is solved, concentrate puts in the inhomogeneous problem of back dilution, the technical scheme who solves this problem is mainly including main water intake pipe, elementary water intake pipe and basic concentrate box, main water intake pipe is equipped with three way connection ware, three way connection ware's first entry and exit linkage in main water intake pipe, main water intake pipe's delivery port is used for communicateing the washing bucket, basic concentrate box is used for storing first concentrate, three way connection ware's second entry and elementary water intake pipe's delivery port intercommunication, elementary water intake pipe is equipped with elementary venturi, elementary venturi's negative pressure interface and basic concentrate box intercommunication. The utility model discloses mainly used is put in, is diluted the stoste, can make the stoste dilute more evenly.

Description

Dilution and delivery device and clothes treatment equipment

Technical Field

The utility model relates to a processing of fabric, especially a dilute delivery device and clothing treatment facility.

Background

The traditional clothes treatment equipment generally does not have a stock solution automatic feeding device, the stock solution generally comprises a detergent stock solution, a disinfectant stock solution, a softener stock solution, a bleaching agent stock solution and the like, a user usually feeds clothes into a washing drum, then feeds a certain amount of stock solution by experience, and then starts to wash clothes by water, so that the concentration of the mixed stock solution and water is difficult to control, if the concentration of the mixed solution is higher, the stock solution can be attached to the clothes and is difficult to clean, even the clothes can be damaged, and if the concentration of the mixed solution is lower, the clothes can be washed unclearly or sterilized, softened or bleached and the like. For convenience of users, in the prior art, for example, chinese patent CN201320283318.6 discloses a washing machine capable of automatically dispensing additives, which includes a water inlet valve, a washing tub and at least one container for holding additives, a washing water inlet waterway between the water inlet valve and the washing tub is provided with a venturi tube capable of generating negative pressure by water flowing therethrough, a liquid suction port communicated with the container and capable of sucking additives into the washing water inlet waterway by negative pressure is provided corresponding to the negative pressure region, a metering device for detecting the dispensing amount of additives and an additive control valve for controlling the on-off state between the metering device and the container are provided between the liquid suction port and the container, when additives are dispensed, water is supplied into the washing tub from the washing water inlet waterway, the additives in the container are sucked out by the negative pressure generated when water flows through the venturi tube, are metered by the metering device, enter the washing water inlet from the liquid suction port, and then flow into the washing tub from the water inlet waterway. Although the accurate of above-mentioned patent has realized putting in of stoste, receive the influence of factors such as the poor stoste of water pressure size, rivers impact angle and partial intersolubility stews easily layering, the stoste only mixes through a venturi and makes the stoste dilute inhomogeneous easily to probably influence the clothing cleaning performance in the washtub.

SUMMERY OF THE UTILITY MODEL

The utility model discloses one of the purpose that will reach provides a dilute input device, overcomes prior art's not enough, can make the stoste dilute more evenly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a dilute and put in device, includes main water intake pipe, elementary water intake pipe and basic stoste box, and main water intake pipe is equipped with basic tee junction ware, and basic tee junction ware's first entry and exit linkage are in main water intake pipe, and main water intake pipe's delivery port is used for communicateing the washing bucket, and basic stoste box is used for storing first stoste, basic tee junction ware's second entry and elementary water intake pipe's delivery port intercommunication, elementary water intake pipe are equipped with elementary venturi, elementary venturi's negative pressure interface and basic stoste box intercommunication.

Furthermore, a first one-way valve for preventing the stock solution from flowing back to the basic stock solution box is arranged between the negative pressure interface of the primary Venturi tube and the basic stock solution box.

Through the technical scheme, because the difference of venturi's exit pressure reaches the stoste that the basic stoste box could be extracted to the negative pressure interface when a definite value, and the stoste can obtain diluting after being extracted by elementary venturi and mixing with water, be favorable to avoiding the stoste to flow back to in the basic stoste box through utilizing first check valve, also avoid in the water entering basic stoste box of first inlet channel, effectively avoid the stoste concentration in the basic stoste box to be diluted, thereby make the stoste concentration that gets into in the washtub can reach the expected value, also can avoid the stoste in the basic stoste box to receive rivers entering and take place rotten, also can effectively avoid the liquid in the basic stoste box to increase and the condition that appears overflowing.

Further, dilute the input device and still including expanding the water intake pipe and expanding the former liquid box, expand the water intake pipe and be equipped with and expand venturi, expand venturi's negative pressure interface and expand former liquid box intercommunication, expand the delivery port of water intake pipe and the second entry intercommunication of basic tee junction ware.

Through above-mentioned technical scheme, increase independent expansion water intake pipe and extend stoste box, can satisfy the independent input and dilution of multiple stoste to and stoste carry to basic three way connection ware jointly after diluting the completion, make different stostes mix after diluting, effectively avoid the phenomenon that the layering may appear in the stoste direct mixing of high concentration.

Furthermore, a second one-way valve for preventing stock solution from flowing back to the expanded stock solution box is arranged between the negative pressure interface of the expanded Venturi tube and the communication of the expanded stock solution box.

Through the technical scheme, the second one-way valve is arranged, so that the stock solution can be prevented from flowing back to the expanded stock solution box, the water in the expanded water inlet pipeline is prevented from entering the expanded stock solution box, the stock solution concentration in the expanded stock solution box is effectively prevented from being diluted, the stock solution concentration in the washing barrel can reach the expected value, the stock solution in the expanded stock solution box can be prevented from entering the washing barrel by water flow to deteriorate, and the situation that the overflow occurs due to the increase of the liquid in the expanded stock solution box is avoided.

Furthermore, the plurality of expanded water inlet pipelines are arranged, and each expanded stock solution box connected with each expanded water inlet pipeline is used for storing stock solutions different from the first stock solution and different from each other.

Through above-mentioned technical scheme, the user need not frequently to change the stoste in the single stoste box, only needs extend the water intake pipe through control, selects one or more required stoste to mix the dilution, satisfies user's different demands, and it is more convenient to use.

Furthermore, the expansion stock solution box and the basic stock solution box are of an integrated structure.

Through the technical scheme, the installation of the extended stock solution box and the basic stock solution box can be completed only by one-time installation, and the installation is more convenient.

Further, the basic three-way connector is a venturi tube or a three-way joint.

According to the technical scheme, according to the Venturi effect, the mixed solution of the stock solution and the water in the primary water inlet pipeline can be extracted by taking the water flow in the water inlet process of the main water inlet pipeline as power, the mixed solution can flow rapidly in the extraction process, the mixing speed of the stock solution in the water is accelerated, the stock solution is further diluted, the mixed solution can enter the active water inlet pipeline at a certain flow speed, and the mixed solution and the water flow in the active water inlet pipeline can form opposite flushing to obtain better mixing dilution; or, set up three way connection, increase the liquid flow space, reduce the liquid velocity of flow, be favorable to further diluting of mixed solution, mix more evenly to reduce the scouring force of liquid to three way connection inner wall, and adopt three way connection also can reduce the later maintenance cost.

Furthermore, the dilution throwing device further comprises a secondary water inlet pipeline, the secondary water inlet pipeline is provided with a secondary three-way connector, one inlet of the secondary three-way connector is communicated with the water outlet of the primary water inlet pipeline, and the water outlet of the secondary water inlet pipeline is communicated with the second inlet of the basic three-way connector.

Through above-mentioned technical scheme, the stoste can obtain once more through secondary inlet channel and dilute the back through elementary water intake pipe, reentrant main inlet channel, and the stoste can obtain dilution many times, is favorable to making the stoste dilute more evenly, makes also can obtain effective mixture, dilution with the poor stoste of water intersolubility.

Furthermore, the secondary water inlet pipeline is of a multi-stage structure, a water outlet of the primary secondary water inlet pipeline is connected and communicated with one inlet of the secondary three-way connector of the next stage, one inlet of the primary secondary three-way connector of the first stage is connected and communicated with a water outlet of the primary water inlet pipeline, and a water outlet of the final secondary water inlet pipeline is connected and communicated with a second inlet of the basic three-way connector.

Through above-mentioned scheme, when guaranteeing water inlet pressure, obtain many times when making the stoste get into elementary water intake pipe, secondary water intake pipe and main water intake pipe and dilute, further make the stoste obtain diluting, be favorable to making the stoste concentration that gets into in the washing barrel can reach the expected value.

After the technical scheme is adopted, the utility model has the advantages of as follows: according to the Venturi effect, liquid can form negative pressure through a primary Venturi tube, the water flow in the primary water inlet process is used as power, the stock solution in a basic stock solution box can be extracted, the stock solution enters the primary water inlet pipeline at a certain flow velocity, the stock solution can be in opposite flushing with the water flow in the primary water inlet pipeline, the mixed dilution can be better obtained, secondly, a second inlet of a basic three-way connector is communicated with a water outlet of the primary water inlet pipeline, the mixed solution of the stock solution and the water in the primary water inlet pipeline enters the basic three-way connector, the secondary mixing can be carried out with the water in a main water inlet pipeline, the secondary dilution is obtained, the stock solution can be diluted more uniformly, the stock solution with poor water intersolubility can also be fully diluted, the layering phenomenon is avoided, the stock solution entering a washing barrel is more uniformly distributed, and the expected effect of the stock solution is favorably improved.

The embodiment is novel still provides a clothing treatment facility, including diluting and putting in device and washtub, dilute and put in the stock solution that the device put in after diluting to the washtub, dilute and put in the device and dilute for the arbitrary device of putting in of above-mentioned arbitrary.

Through the technical scheme, the stock solution in the washing barrel can be fully and uniformly diluted, and the expected effect of the stock solution on clothes is increased.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a dilution dosing device according to a first embodiment;

FIG. 2 is a schematic diagram of a dilution dosing device according to a second embodiment;

FIG. 3 is a schematic diagram of a dilution dosing device according to a second embodiment;

FIG. 4 is a schematic diagram of a dilution dosing device according to a third embodiment;

FIG. 5 is a schematic view showing the construction of a clothes treating apparatus according to a fourth embodiment;

in the figure, 1, a dilution and delivery device; 11. a main water inlet pipeline; 111. a base tee connector; 1111. a first inlet; 1112. a second inlet; 12. a primary water inlet line; 121. a primary venturi; 122. a first check valve; 13. a base stock solution box; 14. expanding a water inlet pipeline; 141. expanding the Venturi tube; 142. a second one-way valve; 15. expanding a stock solution box; 16. a secondary water inlet pipeline; 161. a secondary three-way connector; 17. a water inlet valve; 2. and washing the barrel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The terms "first," "second," "third," "fourth," and the like (if any) in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

It should be understood that, in various embodiments of the present invention, the sequence numbers related to the processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

It should be understood that in the present application, "comprising" and "having" and any variations thereof, is intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be understood that in the present invention, "a plurality" means two or more. "and/or" is merely an association relationship describing an associated object, and means that there may be three relationships, for example, X and/or Y, and may mean: x alone, X and Y together, and Y alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "comprising X, Y and Z" and "comprising X, Y, Z" means that all three of X, Y and Z are comprised, "comprising X, Y or Z" means that one of the three of X, Y and Z is comprised, "comprising X, Y and/or Z" means that any one or any two or three of X, Y and Z are comprised.

The technical solution of the present invention will be described in detail with specific examples. The following specific embodiments may be optionally combined with or replaced by each other according to practical situations, and the same or similar concepts or processes may not be described in detail in some embodiments.

The first embodiment is as follows:

as shown in fig. 1, the utility model provides a dilute delivery device, including main water intake pipe 11, elementary water intake pipe 12 and basic stoste box 13, main water intake pipe 11 is equipped with basic three way connection ware 111, the first entry 1111 and the exit linkage of basic three way connection ware 111 are in main water intake pipe 11, the delivery port of main water intake pipe 11 is used for communicateing washing bucket 2, intake washing bucket 2, basic stoste box 13 is used for storing first stoste, the second entry 1112 of basic three way connection ware 111 and the delivery port intercommunication of elementary water intake pipe 12, make partly water get into washing bucket 2 through elementary water intake pipe 12, elementary water intake pipe 12 is equipped with elementary venturi 121, elementary venturi 121's negative pressure interface and basic stoste box 13 intercommunication.

According to the venturi effect, the liquid can form negative pressure through the primary venturi tube 121, the water flow in the water inlet process of the primary water inlet pipeline 12 is used as power, the stock solution in the basic stock solution box 13 can be extracted, the stock solution enters the primary water inlet pipeline 12 at a certain flow velocity, the stock solution and the water flow in the primary water inlet pipeline 12 can form opposite flushing to better obtain mixed dilution, secondly, the second inlet 1112 of the basic three-way connector 111 is communicated with the water outlet of the primary water inlet pipeline 12, the mixed solution of the stock solution and the water in the primary water inlet pipeline 12 enters the basic three-way connector 111, the mixed solution and the water in the main water inlet pipeline 11 can be mixed secondarily and obtain secondary dilution, the stock solution can be diluted more uniformly, the stock solution with poor water intersolubility can also be fully diluted, the layering phenomenon of the stock solution and the water is avoided, and the stock solution entering the washing barrel 2 is distributed more uniformly, and the expected effect of the stock solution is improved. In this embodiment, the raw liquid may be a detergent raw liquid, a disinfectant raw liquid, a softener raw liquid, a bleach raw liquid, or the like.

And the water inlets of the main water inlet pipeline 11 and the primary water inlet pipeline 12 are connected to the same water inlet valve 17, and the water inlet of the water inlet valve 17 is connected with an external water source, so that the control of a user is facilitated.

It is understood that separate inlet valves 17 may be provided on the main inlet pipeline 11 and the primary inlet pipeline 12, respectively, to realize separate control of the main inlet pipeline 11 and the primary inlet pipeline 12.

In this embodiment, basic three way connection ware 111 is venturi, according to the venturi effect, rely on the rivers of the 11 in-process of intaking of main inlet channel as power, can extract the mixed solution of stoste and water in the elementary inlet channel 12, mixed solution is being extracted the in-process fast flow, accelerate stoste mixing velocity in aqueous, make the stoste further obtain diluting, and can make mixed solution have certain velocity of flow ground and get into initiative inlet channel, make mixed solution can form the hedging mix with the rivers in the initiative inlet channel, be favorable to making the stoste dilute more evenly.

It can be understood that, the basic three-way connector 111 can also be a three-way connector, which can effectively prevent the situation that the insufficient inlet pressure of the inlet valve 17 leads to the smaller flow of the primary inlet pipe 120, because the negative pressure interface can only extract the stock solution of the basic stock solution box 13 when the difference value of the inlet and outlet pressure of the primary venturi tube 121 reaches a certain value, if the flow in the primary inlet pipe 12 is smaller, the primary venturi tube 121 may be enabled to extract the smaller amount of the stock solution in the basic stock solution box 13, even the stock solution in the basic stock solution box 13 cannot be sucked, so that the concentration of the stock solution entering the washing barrel 2 cannot reach the expected value. And, in long-term use, basic three way connection 111 is worn and torn by the scouring force of liquid relatively easily, adopts three way connection can also reduce the later maintenance cost.

In the using process, the diluting and feeding device usually feeds a set amount of stock solution according to the dirt degree or the type of clothes, because the stock solution of the basic stock solution box 13 can be extracted by the negative pressure interface when the difference value of the inlet and outlet pressures of the primary venturi tube 121 reaches a certain value, in order to prevent the stock solution which is extracted by the primary venturi tube 121 and mixed with water from flowing back to the basic stock solution box 13, a first check valve 122 which prevents the stock solution from flowing back to the basic stock solution box 13 is arranged between the negative pressure interface of the primary venturi tube 121 and the basic stock solution box 13, the water in the first water inlet pipeline can be prevented from entering the basic stock solution box 13, the concentration of the stock solution in the basic stock solution box 13 is effectively prevented from changing, the concentration of the stock solution in the washing barrel 2 can reach a desired value, the stock solution in the basic stock solution box 13 can be prevented from being deteriorated due to the entering of water flow, and the situation that the liquid in the basic stock solution box 13 is prevented from overflowing due to the increase in height can be avoided.

Example two:

as shown in fig. 2, the dilution and feeding device further includes a secondary water inlet pipeline 16, the secondary water inlet pipeline 16 is provided with a secondary three-way connector 161, one inlet of the secondary three-way connector 161 is communicated with the water outlet of the primary water inlet pipeline 12, the water outlet of the secondary water inlet pipeline 16 is communicated with the second inlet 1112 of the basic three-way connector 111, the stock solution can be diluted again through the secondary water inlet pipeline 16 after being diluted through the primary water inlet pipeline 12, and then enters the main water inlet pipeline 11, the stock solution is diluted for multiple times, which is beneficial to making the stock solution diluted more uniformly, so that the stock solution with poor water intersolubility can also be effectively mixed and diluted.

Specifically, the secondary water inlet pipe 16 has a multi-stage structure, the water outlet of the primary secondary water inlet pipe 16 is connected and communicated with one of the inlets of the secondary three-way connector 161 of the next stage, one of the inlets of the primary secondary three-way connector 161 of the first stage is connected and communicated with the water outlet of the primary water inlet pipe 12, and the water outlet of the final secondary water inlet pipe 16 is connected and communicated with the second inlet 1112 of the basic three-way connector 111.

In this embodiment, the multi-stage structure is the one-level structure, the structure of secondary water intake pipe 16 is rationally selected, when guaranteeing water pressure, make the stoste get into elementary water intake pipe 12, obtain the cubic when secondary water intake pipe 16 and main water intake pipe 11 and dilute, the stoste dilutes more evenly, be favorable to making the stoste concentration that gets into in the washing bucket 2 can reach expected value, and secondary tee junction ware 161 is venturi, with the same reason of venturi that adopts in the embodiment one, further be favorable to making the stoste dilute more evenly.

It is understood that the secondary three-way connector 161 can also be a three-way fitting. It is understood that, as shown in fig. 3, the multi-stage structure may be a two-stage structure, so that the stock solution is diluted four times, and the stock solution is more uniformly diluted. Of course, a suitable structure such as a tertiary structure, a quaternary structure, a quintuplex structure, or the like may be selected.

For convenient control, the secondary water inlet pipeline 16 is communicated with the main water inlet pipeline 11 and shares the same water inlet valve 17, so that the control is convenient.

It will be appreciated that the inlet of the secondary water inlet line 16 may also be in communication with the primary water inlet line 12.

It can be understood that the secondary water inlet pipeline 16 can also be separately provided with the water inlet valve 17, so that relatively independent control can be realized, and a user can select the water inlet pipeline 16 with required stages according to requirements, thereby being convenient to use.

Other contents not described in this embodiment may refer to embodiment one.

Example three:

as shown in fig. 4, in this embodiment, the dilution dispensing device further includes an extended water inlet pipeline 14 and an extended stock solution box 15, the extended water inlet pipeline 14 is provided with an extended venturi tube 141, a negative pressure interface of the extended venturi tube 141 is communicated with the extended stock solution box 15, a water outlet of the extended water inlet pipeline 14 is communicated with the second inlet 1112 of the basic three-way connector 111, the extended water inlet pipeline 14 and the primary water inlet pipeline 12 form a parallel connection, stock solutions in the extended stock solution box 15 and the basic stock solution box 13 can be respectively extracted and diluted separately, so as to meet the requirement of separate dispensing and dilution of multiple stock solutions, the stock solutions are jointly conveyed to the basic three-way connector 111 after dilution is diluted, so that different stock solutions are mixed after being diluted, and a layering phenomenon that may occur when a high-concentration stock solution is directly mixed is effectively avoided.

Correspondingly, a second check valve 142 for preventing the stock solution from flowing back to the expanded stock solution box 15 is arranged between the negative pressure interface of the expanded venturi tube 141 and the communication of the expanded stock solution box 15, so that the stock solution is prevented from flowing back to the expanded stock solution box 15, water in the expanded water inlet pipeline 14 is prevented from entering the expanded stock solution box 15, the stock solution concentration in the expanded stock solution box 15 is effectively prevented from being diluted, the stock solution concentration entering the washing barrel 2 can reach an expected value, the stock solution in the expanded stock solution box 15 can be prevented from deteriorating due to the entering of water flow, and the overflow condition caused by the increase of the height of the liquid in the expanded stock solution box 15 can be avoided.

Because the types of stock solutions required by the functions of washing, sterilizing, softening or bleaching and the like of clothes are different, the expansion water inlet pipelines 14 are provided with a plurality of extension water inlet pipelines, the extension stock solution boxes 15 connected with each extension water inlet pipeline 14 are used for storing stock solutions different from the first stock solution and are respectively different, the stock solutions are more reasonably distributed, when a user uses the clothes washing machine, the stock solutions in a single stock solution box do not need to be frequently replaced, only the extension water inlet pipelines 14 need to be controlled, one or more required stock solutions are selected to be mixed and diluted, different requirements of the user are met, and the clothes washing machine is more convenient to use. In this embodiment, there is one extended water inlet pipeline 14.

It will be appreciated that the extended inlet line 14 may be provided in any suitable number, such as two, three or four.

It can be understood that the user can also store the same stock solution in the extended stock solution box 15, so as to increase the storage amount of the stock solution, and the user does not need to add the stock solution frequently.

For the convenience of control, the extended water inlet pipeline 14 is communicated with the main water inlet pipeline 11 and shares the same water inlet valve 17.

It will be appreciated that the extended inlet line 14 may also be in communication with the primary inlet line 12.

It can be understood that the extended water inlet pipeline 14 can also be separately provided with the water inlet valve 17, and relatively independent control can be realized, so that a user can select the type of the required stock solution according to actual requirements, and the use is convenient.

In order to facilitate processing and installation, the expanded stock solution box 15 and the basic stock solution box 13 are of an integrated structure, and when the installation is carried out, the installation of the expanded stock solution box 15 and the basic stock solution box 13 can be completed only by one-time installation.

Other contents not described in this embodiment may refer to the first embodiment and the second embodiment.

Example four:

as shown in fig. 5, the present embodiment provides a clothes treating apparatus, which includes a dilution and feeding device 1 and a washing tub 2, wherein the dilution and feeding device 1 feeds diluted stock solution into the washing tub 2, and the dilution and feeding device 1 is any one of the dilution and feeding devices 1, so that the stock solution in the washing tub 2 can be fully and uniformly diluted, and the expected effect of the stock solution on clothes can be increased.

Other contents not described in the present embodiment may refer to the above-described embodiments.

In addition to the above preferred embodiments, the present invention has other embodiments, and all other embodiments obtained by those skilled in the art without any creative work belong to the scope of the claimed invention.

Claims (10)

1. The utility model provides a dilute and put in device, includes main water intake pipe, elementary water intake pipe and basic stoste box, and main water intake pipe is equipped with basic three way connection ware, and basic three way connection ware's first entry and exit linkage are in main water intake pipe, and main water intake pipe's delivery port is used for communicateing the washing bucket, and basic stoste box is used for storing first stoste, its characterized in that, basic three way connection ware's second entry and elementary water intake pipe's delivery port intercommunication, elementary water intake pipe are equipped with elementary venturi, elementary venturi's negative pressure interface and basic stoste box intercommunication.

2. The dilution dispensing device according to claim 1, wherein a first check valve is disposed between the negative pressure port of the primary venturi tube and the base concentrate box for preventing the concentrate from flowing back to the base concentrate box.

3. The dilution throwing device according to claim 1, further comprising an expanded water inlet pipeline and an expanded stock solution box, wherein the expanded water inlet pipeline is provided with an expanded venturi tube, a negative pressure interface of the expanded venturi tube is communicated with the expanded stock solution box, and a water outlet of the expanded water inlet pipeline is communicated with a second inlet of the basic three-way connector.

4. The dilution dispensing device according to claim 3, wherein a second one-way valve is provided between the negative pressure port of the expanded venturi tube and the communication of the expanded stock solution box for preventing the stock solution from flowing back to the expanded stock solution box.

5. A dilution and placement device according to claim 3 or 4, wherein a plurality of said extended water inlet pipes are provided, and each extended stock solution box connected to each extended water inlet pipe is used for storing a stock solution different from the first stock solution and different from each other.

6. A dilution dosing device according to claim 3, wherein the extended stock solution box and the base stock solution box are of an integral construction.

7. The dilution dosing device of claim 1, wherein the base tee connector is a venturi or tee.

8. The dilution dosing device according to claim 1, further comprising a secondary water inlet line provided with a secondary three-way connector, one of the inlets of the secondary three-way connector being in communication with the outlet of the primary water inlet line, the outlet of the secondary water inlet line being in communication with the second inlet of the basic three-way connector.

9. The dilution and feeding device according to claim 8, wherein the secondary water inlet pipe is a multi-stage structure, the outlet of the secondary water inlet pipe of the previous stage is connected and communicated with one of the inlets of the secondary three-way connector of the next stage, one of the inlets of the secondary three-way connector of the first stage is connected and communicated with the outlet of the primary water inlet pipe, and the outlet of the secondary water inlet pipe of the last stage is connected and communicated with the second inlet of the basic three-way connector.

10. A clothes treatment apparatus comprising a dilution dispensing device and a washing tub, the dilution dispensing device dispensing a diluted solution into the washing tub, characterized in that the dilution dispensing device is the dilution dispensing device according to any one of claims 1 to 9.

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