CN108729133B

CN108729133B - Automatic dispensing system of washing machine and washing machine

Info

Publication number: CN108729133B
Application number: CN201710248518.0A
Authority: CN
Inventors: 黄涛; 李敬德
Original assignee: Qingdao Haier Drum Washing Machine Co Ltd
Current assignee: Qingdao Haier Drum Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2017-04-17
Filing date: 2017-04-17
Publication date: 2020-10-16
Anticipated expiration: 2037-04-17
Also published as: CN108729133A

Abstract

The invention discloses an automatic feeding system of a washing machine and the washing machine, comprising a water box, wherein a main water inlet pipeline and a detergent feeding pipeline are integrated on the water box; the distribution box is arranged in the water box, and a first installation part and a second installation part of at least one installation cavity are arranged in the distribution box; the washing additive box is provided with a one-way ventilating structure and a liquid outlet, is arranged in the mounting cavity, and is communicated with the detergent feeding pipeline, and the liquid outlet is opened; when the washing additive box is disconnected with the washing agent feeding pipeline, the liquid outlet is closed; the negative pressure extraction mechanism comprises a venturi tube arranged in the main water inlet pipeline, and liquid in the washing additive box is extracted and thrown into the washing barrel by the negative pressure generated by water flow passing through the outlet of the venturi tube through the detergent throwing pipeline; the washing powder feeding box is arranged at the second installation part. The user can change the washing additive box at will, to the difference of the clothing of washing at every turn, adopts different kinds of washing additives, improves laundry experience and efficiency.

Description

Automatic dispensing system of washing machine and washing machine

Technical Field

The invention belongs to the field of washing machines, and particularly relates to an automatic feeding system of a washing machine and the washing machine.

Background

The traditional washing machine needs a user to judge how much detergent is added manually according to experience before washing begins, so that the workload of the user is increased, and incomplete washing or waste is easily caused by improper control of the detergent amount. Therefore, in the related art, an automatic detergent feeding technology is proposed, wherein a detergent dispenser box is filled with a detergent additive box softener for multiple times of washing, and the detergent additive box softener is automatically added according to the requirement during each time of washing.

At present, the washing machines with the functions of automatically putting liquid additives such as detergents are more in variety, but most users who buy canned or bottled detergents and the like add the detergents by themselves, the putting device is inconvenient to operate, the users are troublesome to use, and the detergents are easy to leak in the adding process. When the residual detergent remains in the dispensing device, the user cannot replace other types of detergents.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an automatic feeding system of a washing machine and the washing machine, which can automatically feed various different clothes treating agents at the same time. The user can change the detergent additive box at will according to own hobby and needs, perhaps uses the washing powder to put in the box, and to the difference of the clothing of washing at every turn, adopts different kinds of washing additive, improves laundry experience and efficiency.

In order to solve the technical problems, the invention adopts the technical scheme that:

the first purpose of the present invention is to provide an automatic dispensing system for a washing machine, which comprises a water box, wherein the water box is provided with a water outlet communicated with a washing barrel of the washing machine, and is integrated with a main water inlet pipeline and a detergent dispensing pipeline, the main water inlet pipeline is provided with a plurality of outlets, and the automatic dispensing system further comprises:

the distribution box is arranged in the water box and is provided with a first mounting part and a second mounting part, wherein the first mounting part and the second mounting part at least comprise a mounting cavity;

the washing additive box is of a closed box body structure, a cavity is formed in the washing additive box and used for containing washing additives, a one-way ventilating structure and a liquid outlet are formed in the washing additive box, the washing additive box is installed in an installation cavity of the first installation part, and when the washing additive box is communicated with the washing agent feeding pipeline, the liquid outlet is opened; when the washing additive box is disconnected with the washing agent feeding pipeline, the liquid outlet is closed;

the negative pressure extraction mechanism comprises a venturi tube arranged in the main water inlet pipeline, and the negative pressure generated by water flow passing through the outlet of the venturi tube pumps out liquid in the washing additive box through the detergent feeding pipeline and discharges the liquid into the washing barrel;

and the washing powder feeding box is arranged in the second mounting part and is provided with a washing powder feeding cavity, and the washing powder feeding cavity is respectively communicated with the outlet of the main water inlet pipeline and the water outlet of the water box so as to flush the washing powder into the washing barrel of the washing machine.

In a further scheme, at least two washing additive boxes are arranged, the washing additive box structure further comprises a switching mechanism, the switching mechanism is provided with inlets and at least one outlet, the number of the inlets corresponds to that of the washing additive boxes, each inlet is communicated with the corresponding washing additive box, and at least one outlet is communicated with the negative pressure extraction mechanism.

In a further scheme, the air pressure change at the inner side and the outer side of the washing additive box opens the one-way ventilating structure to perform one-way ventilation, or closes the one-way ventilating structure to seal the washing additive box;

preferably, the one-way ventilating structure comprises a ventilating element and a switch element, the ventilating element is provided with a ventilating hole, the switch element comprises a switch part, and the switch part is opened or closed by the change of air pressure at the inner side and the outer side of the washing additive box, so that the ventilating hole is ventilated or closed in one way.

In a further scheme, the detergent additive box is further provided with a liquid outlet device, the liquid outlet device is arranged at the position of the liquid outlet and comprises an on-off valve arranged on the liquid outlet and a suction device arranged in the detergent additive box, the inlet of the suction device is communicated with the detergent additive box, and the outlet of the suction device is communicated with the inlet of the on-off valve.

In a further scheme, the suction device is of a hollow tubular structure, a flow passage is formed inside the suction device, one end of the flow passage faces to the bottom wall of the detergent additive box, and the other end of the flow passage is communicated with an inlet of the on-off valve;

preferably, an arc-shaped reversing flow guide channel is formed between the inlet and the outlet of the flow channel, and the reversing position of the flow channel, which corresponds to the inlet of the on-off valve, is an outward-expanding arc surface;

preferably, the radius of the arc surface is larger than that of the flow passage.

In a further scheme, the on-off valve comprises a drainage channel, a piston and a return spring, wherein the piston and the return spring are arranged in the drainage channel, and the piston blocks the drainage channel under the action of the return spring;

preferably, a sealing element is arranged in the liquid outlet or the drainage channel of the on-off valve and used for sealing the joint of the liquid outlet and the switching mechanism.

In a further scheme, a limiting structure is arranged in the mounting cavity, and the limiting structure comprises an elastic part arranged on one side of the mounting cavity and is used for being elastically deformed between a washing additive box and the side wall of the mounting cavity when the washing additive box is arranged on the mounting cavity;

preferably, the detergent additive boxes comprise a plurality of detergent additive boxes which are respectively arranged in the mounting cavity in parallel, and the limiting structure further comprises at least one separating rib arranged on the bottom wall of the mounting cavity and used for separating the detergent additive boxes;

preferably, the partitioning ribs are arranged in the same direction as the elastic members, the partitioning ribs limit the movement of the detergent additive box in a first direction, and the elastic members limit the movement of the detergent additive box in a second direction perpendicular to the first direction.

In a further scheme, the mounting cavity and the washing powder feeding box are arranged adjacently and parallelly, a guide plate which obliquely extends from one side wall of the washing powder feeding cavity to the opposite side wall of the washing powder feeding cavity is arranged in the washing powder feeding cavity, a washing powder outlet is formed in the bottom wall of the washing powder feeding cavity, and the washing powder outlet is communicated with a water outlet of the water box;

preferably, the washing powder outlet is arranged at the tail end of the guide plate, and the tail end of the guide plate is arranged in a suspended mode and is lower than the height of the starting end of the guide plate.

The distribution box comprises an upper layer box body and a lower layer box body, the upper layer box body and the lower layer box body are detachably/integrally arranged, a flow guide structure communicated with a water outlet of the water box is arranged/connected on the lower layer box body, the mounting cavity and the disposable feeding box are arranged on the upper layer box body, a through hole communicated with the lower layer box body is formed in the bottom wall of the mounting cavity, and an outlet of the washing powder feeding box is communicated with the lower layer box body;

preferably, the through hole is arranged close to the liquid outlet.

A second object of the present invention is to provide a washing machine having an automatic dispensing system as described above.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

the automatic feeding system of the washing machine can solve the problems of the burden of manually adding the detergent and the occurrence of the condition of too little or excessive detergent addition, and compared with other structures for additionally adding the detergent, the automatic feeding system of the washing machine saves the expenditure of production and installation cost, also saves the internal space of the washing machine and realizes the diversification of the detergent addition process.

The automatic feeding system of the washing machine comprises a plurality of sealed washing additive boxes capable of containing various clothes treatment agents, a user can replace the washing additive boxes at will according to own hobbies and needs, and when the washing agents in the washing additive boxes are not used completely, if the user needs to replace different types of washing agents to wash different clothes, the washing additive boxes can be taken out conveniently and replaced by other washing additive boxes, leakage is not easy to occur, various different clothes treatment agents can be fed automatically, and clothes washing experience and efficiency are improved.

The automatic feeding system of the invention also provides a washing powder feeding mechanism, so that a user can choose to add washing powder into the washing powder feeding mechanism when needing to use the washing powder for washing, and the washing is carried out for one time, thereby being convenient and fast.

Meanwhile, the washing method for automatically adding the detergent has the advantages that the most reasonable amount of the detergent is automatically added by utilizing the negative pressure generated by the water flow on the premise of not influencing the washing effect, the structure is simple, the condition that too little or excessive detergent is manually added is prevented, the cost expenditure caused by other structures for automatically adding the detergent is saved, and the pollution of discharged washing water to the environment is reduced. Meanwhile, automation of the washing process is realized, and the washing efficiency is improved.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic perspective view of an automatic dispensing system of a washing machine according to the present invention;

FIG. 2 is a side-mounted perspective view of a dispenser box, a detergent additive box and a switching mechanism of the automatic dispensing system for a washing machine;

FIG. 3 is a rear-mounted perspective view of a dispenser box, a detergent additive box and a switching mechanism of the automatic dispensing system of the washing machine;

FIG. 4 is a schematic top view of a dispenser box, a detergent additive box and a switching mechanism of the automatic dispensing system for a washing machine;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is an overall perspective view of the automatic dispensing system of the washing machine;

FIG. 7 is a perspective view of a detergent additive cartridge;

FIG. 8 is a top view of the detergent additive cartridge;

FIG. 9 is a sectional view taken at H-H of the detergent additive cartridge of FIG. 8;

FIG. 10 is a J-J cross-sectional view of the detergent additive cartridge of FIG. 8;

FIG. 11 is an enlarged view of portion B of the detergent additive cartridge of FIG. 10;

FIG. 12 is a sectional view taken along line I-I of the detergent additive cartridge of FIG. 8;

FIG. 13 is a schematic top view of a one-way venting arrangement;

FIG. 14 is a sectional view taken in the direction A-A of the one-way venting structure of FIG. 13;

fig. 15 is a schematic top view of a one-way ventilation structure (liquid inlet cover) of the third embodiment;

fig. 16 is a partial enlarged sectional view of a one-way ventilation structure (an inlet cover) of the third embodiment;

fig. 17 is a sectional view of a one-way ventilation structure (an inlet cover) of the third embodiment;

FIG. 18 is a schematic view showing an internal structure of a detergent additive box;

FIG. 19 is an enlarged view of the part A of the detergent additive box of FIG. 18;

FIG. 20 is an exploded bottom view of the mounting structure of the detergent additive cartridge and the dispenser cartridge of the present invention;

FIG. 21 is an exploded top view of the mounting arrangement of the detergent box and the dispenser box of the present invention;

FIG. 22 is a front exploded view of the mounting structure of the detergent box and the dispenser box according to the present invention;

in the figure: in the figure: 1001. a water box 1002, a distribution box; 1003. a switching mechanism; 1004. a water outlet; 1. a detergent additive box; 11. a raised structure; 12. a liquid outlet; 13. a groove; 2. a one-way ventilation structure; 21. a gas permeable element; 211. the air holes 212, the connecting holes 2121, the clamping bosses 213 and the annular groove; 22. a switching element; 221. a switch section; 222. a connecting portion; 2221. an annular boss; 2222. a transition section; 2223. a hollow bore; 3. a suction device; 41. a seal ring; 5. an on-off valve; 51. a return spring; 52. a piston; 6. a throwing funnel; 61. a siphon cap; 62. a siphon column; 10. an upper case; 101. a through hole; 102. avoiding the mouth; 103. separating ribs; 20. a lower box body; 201. avoiding the mouth; 202. a mounting cavity; 14. a liquid inlet; 141. a guide portion; 15. a mounting recess; 2', a liquid inlet cover; 21', a first cover body; 211' and air holes; 212', a connecting hole; 2121', a clamping boss; 213', an annular groove; 214', a recess; 215', a connecting portion; 22', a switching element; 221', a switching section; 222', connecting the transition sections; 2221', annular boss; 2223', a hollow bore; 23', a second cover body; 231', a groove; 232', a transition part; 203. a hand buckling position; 204. an elastic member; 205. a stopper portion; 206. and (5) putting the cavity at one time.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

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 will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1 to 22, the present embodiment provides an automatic dispensing system for a washing machine, which includes a water box 1001, the water box 1001 has a water outlet 1004 communicated with a washing tub of the washing machine, and is integrated with a main water inlet pipeline and a detergent dispensing pipeline, the main water inlet pipeline has a plurality of outlets, and further includes: distribution box 1002, which is arranged in water box 1001, and distribution box 1002 is provided with a first mounting part and a second mounting part which at least comprise a mounting cavity;

the washing additive box comprises a washing additive box 1, wherein the washing additive box 1 is a closed box structure, a cavity is formed in the washing additive box 1 and used for containing washing additives, a one-way ventilating structure 2 and a liquid outlet 12 are arranged on the washing additive box 1, and when the washing additive box 1 is arranged in an installation cavity of a first installation part and communicated with a washing agent feeding pipeline, the liquid outlet 12 is opened; when the washing additive box 1 is disconnected with the washing agent feeding pipeline, the liquid outlet 12 is closed; the negative pressure extraction mechanism comprises a venturi tube arranged in a main water inlet pipeline, and the negative pressure generated by water flow passing through the outlet of the venturi tube pumps the liquid in the washing additive box 1 out through a detergent feeding pipeline and discharges the liquid into the washing barrel;

and the washing powder feeding box is arranged in the second mounting part and is provided with a washing powder feeding cavity, and the washing powder feeding cavity is respectively communicated with the outlet of the main water inlet pipeline and the water outlet 1004 of the water box 1001 so as to flush the washing powder into the washing barrel of the washing machine.

The automatic dispensing system of the washing machine of the present embodiment includes a water box 1001 installed in the washing machine and a distribution box 1002 installed in the water box 1001, the water box 1001 has a box structure with an opening at a front portion, and the distribution box 1002 is openably and closably installed in the water box 1001 through the opening. Alternatively, water box 1001 may be a box structure with an opening at the top, distribution box 1002 is installed in water box 1001, and distribution box 1002 is provided with a push-pull cover or a rotary cover. The water box 1001 is provided with a main water inlet and a water outlet communicated with a washing barrel of the washing machine, the water box 1001 is integrally provided with a main water inlet pipeline, the main water inlet is communicated with the main water inlet pipeline, and an outlet of the main water inlet pipeline is communicated with the water outlet of the water box 1001. The detergent feeding pipeline is respectively communicated with the main water inlet pipeline and the detergent additive box 1.

The distribution box 1002 is provided with at least one mounting cavity for placing a washing additive box 1, one or more washing additive boxes 1 are mounted in the mounting cavity, the washing additive box 1 is a closed box structure with a cavity inside for containing washing additives, and the washing additive box 1 is provided with a one-way ventilating structure and a liquid outlet; the washing additive box 1 is arranged in an installation cavity of the first installation part, and a liquid outlet is opened when the washing additive box is communicated with a washing agent feeding pipeline; when the washing additive box is disconnected with the washing agent feeding pipeline, the liquid outlet is closed; leakage of the washing additive can be prevented and the neatness of the dispenser case 1002 can be maintained.

For a drawer-type distribution box, a detergent additive box is arranged in an installation cavity, and when the distribution box is pushed into a water box, the distribution box is communicated with a detergent feeding pipeline, and a liquid outlet is opened; when the distribution box is pulled out of the water box, the distribution box is disconnected with the detergent feeding pipeline, and the liquid outlet is closed. To open-topped distribution box, can put in the pipeline intercommunication with the detergent promptly when the washing additive box is installed in the installation cavity, the liquid outlet is opened, and when breaking away from the installation cavity, the liquid outlet is closed.

The negative pressure extracting mechanism comprises a Venturi tube arranged in the main water inlet pipeline and a rear negative pressure pipeline arranged at the outlet of the Venturi tube, and the negative pressure pipeline is communicated with the detergent additive box 1. The negative pressure pipeline is provided with a flow valve for detecting the flow of the washing additive, and the negative pressure extraction mechanism is integrated on the water box 1001.

The detergent feeding pipeline comprises a negative pressure pipeline in the negative pressure extraction mechanism, liquid in the washing additive box is extracted by negative pressure generated by water flow passing through the outlet of the venturi tube through the detergent feeding pipeline, and the liquid is fed into the washing barrel through the main water inlet pipeline, or the independent constant volume box and the flushing pipeline, or other pipelines. The scheme that the water enters the washing barrel through the main water inlet pipeline is as follows:

in the process of water inlet of the main water inlet pipeline, a relatively low-pressure area is formed on the rear side of the outlet of the venturi tube, the negative pressure pipeline is communicated with the inside of the washing additive box 1, liquid in the washing additive box 1 is guided into the main water inlet pipeline under the action of negative pressure, and the outlet of the main water inlet pipeline is communicated with the water outlet of the water box 1001, so that water flow carries a certain amount of washing additives to enter the washing barrel from the water outlet of the water box 1001, and clothes are washed in an auxiliary mode.

The washing powder feeding box is arranged in the second installation part, and the washing powder feeding cavity is respectively communicated with the outlet of the main water inlet pipeline and the water outlet of the water box 1001 so as to wash washing powder into the washing barrel of the washing machine.

After a venturi tube in the main water inlet pipeline extracts the washing additives in the washing additive box 1, water flow can carry the washing additives into the washing powder feeding cavity, and the washing additives are mixed with the washing powder in the washing powder feeding cavity and then enter a washing barrel of the washing machine from a water outlet of the water box 1001; alternatively, the water flow may carry the extracted wash additive directly from the water outlet of the water box 1001 into the washing tub of the washing machine.

In a further scheme, at least two detergent additive boxes 1 are arranged, the automatic washing machine feeding system further comprises a switching mechanism 1003, the switching mechanism 1003 is provided with inlets and at least one outlet, the number of the inlets and the number of the outlets correspond to that of the detergent additive boxes 1, each inlet is communicated with the corresponding detergent additive box 1, and at least one outlet is communicated with the negative pressure extraction mechanism.

In order to facilitate automatic feeding of various different washing additives, the switching mechanism 1003 is arranged on the detergent feeding pipeline, and between the washing additive box 1 and the negative pressure extraction mechanism, the switching mechanism 1003 is provided with inlets and at least one outlet, the number of the inlets is corresponding to that of the washing additive box 1, each inlet is respectively communicated with the corresponding washing additive box 1, and at least one outlet is communicated with the negative pressure extraction mechanism. Each inlet and outlet of the switching mechanism 1003 is provided with a control valve for controlling the on-off of each inlet and outlet. Through the break-make of each import and the export of control switching mechanism 1003, and then the intercommunication of the multiple washing additive box 1 that control corresponds and negative pressure extraction mechanism or block for the user can select the different detergents in the different washing additive box 1 according to the demand, also can make up the input to multiple washing additive box 1, improves the washing effect of laundry.

The working process is as follows:

the user installs different detergent additive box 1 in the installation cavity of distribution box 1002, puts into the pipeline intercommunication with the detergent, and the liquid outlet of detergent additive box 1 is opened, communicates with each import of switching mechanism 1003. According to the selection of the user, the control valve of the inlet of the switching mechanism 1003 is opened or closed, so as to communicate with one or more required detergent additive boxes 1, and the outlet is communicated with the negative pressure pipeline of the negative pressure extraction mechanism. In the water inlet process of the main water inlet pipeline of the washing machine, the negative pressure extraction mechanism extracts the detergent in one or more detergent additive boxes 1 into the main water inlet pipeline, and the detergent is flushed into a washing barrel of the washing machine from a water outlet of a water box 1001 along with water flow. Meanwhile, the main water inlet pipeline simultaneously feeds water into the washing powder feeding box, dissolves the washing powder in the washing powder feeding box, enters the water outlet of the water box 1001 from the outlet of the washing powder feeding box, and is discharged into the washing barrel. The above processes can be performed simultaneously, or can be performed individually or in combination according to the user.

Example two

As shown in fig. 7 to 14, the embodiment is a further limitation of the first embodiment, and provides an automatic dispensing system of a washing machine, wherein a detergent box 1 includes a closed box body having a cavity therein, the box body is provided with a liquid outlet for communicating the box body with a switching mechanism 1003, the box body is provided with a one-way ventilation structure for balancing air pressure inside and outside the detergent box 1; the washing additive box 1 is internally provided with a liquid outlet device, the washing additive is arranged in a cavity in the box body, enters the switching mechanism 1003 from a liquid outlet through the liquid outlet device, enters the detergent feeding pipeline under the action of the negative pressure extraction mechanism, and enters a washing barrel of the washing machine from a water outlet of the water box 1001 along with water flow to assist washing.

A plurality of washing additive box 1 of this embodiment are the sealed box body that sealed inside was equipped with the cavity, be equipped with the liquid outlet, the washing additive sets up the cavity in the box body is inside, when switching mechanism 1003 and this washing additive box 1's liquid outlet intercommunication, the washing additive in negative pressure extraction mechanism extraction washing additive box 1, the washing additive gets into main water intake pipe from the liquid outlet through going out the liquid device, in the extraction in-process, come balanced washing additive box 1 inside and outside atmospheric pressure through ventilative structure, make the extraction remain smoothly throughout.

The air pressure change of the inner side and the outer side of the washing additive box of the embodiment opens the one-way ventilating structure to perform one-way ventilation, or closes the one-way ventilating structure to seal the washing additive box. The one-way ventilating structure only allows the box body to ventilate in one way, liquid, impurities and the like cannot circulate inside and outside the detergent additive box through the one-way ventilating structure, and the one-way ventilating structure also plays a role in sealing the box body.

Specifically, the one-way ventilating structure comprises a ventilating element 21 and a switch element 22, wherein the ventilating element 21 is provided with a ventilating hole 211, the switch element 22 comprises a switch part 221, the switch part 221 is opened or closed by the change of air pressure on the inner side and the outer side of the detergent additive box 1, and the ventilating hole 211 is ventilated or closed in one way.

Two air holes 211 are arranged on the ventilating element 21, the air holes 211 penetrate through the upper end surface and the lower end surface of the ventilating element 21, and air outlets of the air holes are uniformly and circumferentially distributed on the lower end surface. The air holes are arranged for realizing ventilation, and the preferable uniform circumferential distribution of the air holes is to prevent the air holes from being closed because the local opening amplitude of the switch part is too large due to uneven distribution of the air holes.

The ventilating element 21 is formed by two coaxial cylindrical structures with different diameters, and the diameter of the upper end surface is slightly larger than that of the lower end surface. The ventilation member 21 is also coaxially provided with a connection hole 212 for connecting the switching member 22 and an annular groove 213 for sealing the auxiliary switching member 22. The connecting hole 212 penetrates through the air permeable element 21 and is coaxial with the air permeable element 21, the connecting hole 212 comprises two holes which are coaxial and have different diameters, and the connecting position of the two holes forms a clamping boss 2121 for clamping the switch element 22. The air holes 211 are uniformly circumferentially arranged around the axis of the connection hole 212. Prevent the switch part from being opened thoroughly and being closed and reset due to uneven distribution of the air holes.

The annular groove 213 is disposed on the lower end surface of the ventilation member 21, and the air outlet of the ventilation hole 211 is disposed on the lower end surface within the annular groove 213. The inner side wall of the annular groove 213 is inclined towards the air hole 211 and extends to the outer edge of the air hole 211 in a transition manner, the outer side wall of the annular groove 213 is a vertical side, and the two side walls are intersected smoothly.

The switch element 22 is an integrally formed elastic material element, and includes a switch portion 221 and a connecting portion 222. The switch portion 221 is an inverted umbrella-shaped structure, and covers the lower end surface of the ventilation element 21, and the end thereof extends into the annular groove 213. The switch part 221 is closed, the tail end of the switch part extends into the annular groove 213, and the air hole 211 is sealed; when the switch part 221 is opened, the switch part 221 is deformed, the tail end of the switch part leaves the annular groove 213, and the air holes 211 are ventilated in one direction.

The connecting portion 222 is provided with an annular boss 2221 and a transition section 2222, the annular boss 2221 cooperates with the retaining boss 2121 on the connecting hole 212 to clamp the connecting portion 222 in the connecting hole 212, the transition section 2222 is disposed between the annular boss 2221 and the switch portion 221, and a hollow hole 2223 for assisting the switch portion 221 to deform is disposed inside the transition section 2222.

Preferably, the cross section of the annular boss 2221 is semicircular; the hollow hole 2223 formed in the transition section 2222 extends through the switch part 221, so as to further reduce the force required for the switch part 221 to deform.

The detergent additive box 1 in this embodiment includes a liquid outlet 12, and further includes the above-mentioned one-way ventilating structure 2, and the detergent additive box 1 has two states: the washing additive is extracted from the liquid outlet 12, the air pressure in the washing additive box 1 is reduced, the air pressure in the washing additive box 1 is smaller than the external air pressure, the switch part 221 is deformed, the tail end of the switch part leaves the annular groove 213, and the air is admitted through the air vent 211; in the second state, the extraction is stopped, the liquid outlet 12 is sealed, the air pressure in the detergent additive box 1 is equal to the external air pressure, the switch part 221 is restored, and the tail end of the switch part extends into the annular groove 213 to seal the detergent additive box 1.

EXAMPLE III

The embodiment is a further limitation of the first embodiment, and provides an automatic dispensing system of a washing machine, wherein a detergent additive box 1 comprises a closed box body with a cavity inside, a liquid outlet 12 is arranged on the box body and is used for communicating the box body and a detergent dispensing pipeline, and a one-way ventilation structure is arranged on the box body and is used for balancing air pressure inside and outside the detergent additive box; the washing additive box is internally provided with a liquid outlet device, the washing additive is arranged in a cavity in the box body, and enters a detergent feeding pipeline from a liquid outlet through the liquid outlet device under the action of a negative pressure extraction mechanism, so as to enter a main water inlet pipeline or other pipelines to enter the washing barrel.

As shown in fig. 15-17, in this embodiment, the detergent additive box 1 is provided with a liquid inlet cover 2 ', the detergent additive box 1 includes a box body and a liquid inlet 14, the liquid inlet 14 is detachably provided with a liquid inlet cover 2 ', and the liquid inlet cover 2 ' is a one-way air-permeable structure. The one-way ventilating structure comprises a cover body and a switch element 22 ', wherein the cover body is provided with two ventilating holes 211', the switch element 22 'comprises a switch part 221', the switch part 221 'is opened or closed by the change of air pressure at the inner side and the outer side of the detergent additive box 1, and the ventilating holes 211' are ventilated or closed in one way.

The cover body is provided with at least one air hole 211 ', the air hole 211 ' penetrates through the upper end surface and the lower end surface of the cover body, and air outlets of the air holes 211 ' are uniformly and circumferentially distributed on the lower end surface. The cover body comprises a first cover body 21 'for rigid support and a second cover body 23' for flexible sealing, wherein the second cover body 23 'is sleeved at the lower end of the first cover body 21' and is matched with the first cover body 21 'to detachably and hermetically install the liquid inlet cover 2' at the liquid inlet 14.

The first cover body 21 'and the second cover body 23' are made of two materials, and the first cover body 21 'and the second cover body 23' are formed in a clamping mode. The first cover body 21 ' is composed of two cylindrical structures with different diameters, the diameter of the upper end is larger than that of the lower end, the second cover body 23 ' is sleeved on the lower end of the first cover body 21 ', and the diameter of the upper end of the first cover body 21 ' is larger than that of the second cover body 23 '. The side wall of the second cover 23 ' is provided with a groove 231 ' for clamping the cassette inlet 14, and the outer side of the bottom of the second cover is also provided with a transition part 232 ' convenient for installation. The groove 231 ' is matched with the liquid inlet 14, the liquid inlet cover 2 ' is clamped at the liquid inlet 14 in a sealing manner, and the transition part 232 ' which is arranged on the outer side of the bottom of the liquid inlet cover and is convenient to mount is an inclined plane extending outwards from the bottom of the liquid inlet cover.

The bottom of the upper side wall of the first cover body 21 'is provided with a concave part 214' suitable for being buckled by hands. Is a flat recess 214 'with an inclination from the side wall of the first cover 21' to the bottom thereof. The second cover 23 ' is an integrally formed elastic material element, and the lower end of the first cover 21 ' is provided with a non-smooth connecting portion 215 ', and the connecting portion 215 ' is matched with the second cover 23 ' to enhance the connecting strength between the first cover 21 ' and the second cover 23 '.

The first cover body 21 'is provided with two air holes 211' penetrating through the upper end surface and the lower end surface thereof, and is also coaxially provided with a connecting hole 212 'for connecting the switch element 22' and an annular groove 213 'for sealing the auxiliary switch element 22', the annular groove 213 'is arranged on the lower end surface of the first cover body 21', and an air outlet of the air hole 211 'is arranged on the lower end surface within the annular groove 213'. The air outlets of the air holes 211' are uniformly and circumferentially distributed on the lower end surface. The connection hole 212 'and the annular groove 213' are coaxially arranged, and the ventilation holes 211 'are uniformly and circumferentially arranged around the axis of the connection hole 212'. A locking boss 2121 ' for locking the switch element 22 ' is formed in the connecting hole 212 '.

Preferably, the inner side wall of the annular groove 213 'is inclined toward the ventilation hole 211', and more preferably, the inner side wall of the annular groove 213 'is inclined to transit to the outer edge of the ventilation hole 211'. The sealing effect with the switching part 221' is improved.

The box body is provided with an installation and installation concave part 15 for installing the liquid inlet cover 2 'and a hand buckling position, the installation and installation concave part 15 extends outwards from the liquid inlet 14, and the shape of the installation and installation concave part is matched with the upper end of the first cover body 21'; the handle position is a semicircular mounting concave part 15 which is additionally extended outwards from one end of the mounting concave part 15; the liquid inlet 14 is further provided with a guide portion 141 convenient for mounting the liquid inlet cover 2 ', and the guide portion is matched with the transition portion 232 ' of the second cover body 23 '.

The switch element 22 ' is an integrally formed elastic material element, and includes a switch portion 221 ' and a connection transition section 222 ' connected to the connection hole 212 ' of the first cover body 21 '. The switch part 221 'is an inverted umbrella-shaped structure or a conical structure, covers the lower end face of the first cover body 21', and is kept in an original state or deformed to cause the tail end of the switch part to extend into or leave the annular groove 213 ', and the air hole 211' is closed or opened; the connecting transition section 222 ' is internally provided with a hollow hole 2223 ' for assisting the deformation of the switch part 221 '. The switch portion 221 'of the switch element 22' is made of an elastic material, and the switch portion 221 'and the connecting portion 215' are integrally formed. The switching portion 221' is provided as an inverted umbrella-shaped structure. The switch part 221 ' is closed, the tail end of the switch part extends into the annular groove 213 ', and the air hole 211 ' is sealed; when the switch part 221 'is opened, the switch part 221' is deformed, and the tail end of the switch part leaves the annular groove 213 ', and the air holes 211' are ventilated in one direction.

The connecting transition section 222 ' is provided with an annular boss 2221 ' and a transition section, and the annular boss 2221 ' cooperates with the retaining boss 2121 ' on the connecting hole 212 ' to retain the connecting portion 215 ' in the connecting hole 212 '. The section of the annular boss 2221' is semicircular; a hollow hole 2223 ' provided inside the connection transition section 222 ' extends through the switch portion 221 '.

The washing additive box 1 provided with the liquid inlet cover 2' comprises a liquid outlet 12, and the washing additive box 1 has two states: in the first state, the washing additive is extracted from the liquid outlet 12, the air pressure in the washing additive box 1 is reduced, the air pressure in the washing additive box 1 is smaller than the external air pressure, the switch part 221 ' is deformed, the tail end of the switch part leaves the annular groove 213 ', and the air is fed through the air holes 211 '; in the second state, the extraction is stopped, the liquid outlet 12 is sealed, the air pressure in the detergent additive box 1 is equal to the external air pressure, the switch part 221 'is restored, and the tail end of the switch part extends into the annular groove 213' to seal the detergent additive box 1.

Example four

As shown in fig. 9-11 and 18-19, the present embodiment is a further limitation of the first embodiment, and provides an automatic dispensing system for a washing machine, wherein a detergent additive box 1 includes a closed box body having a cavity therein, the box body is provided with a liquid outlet 12, the liquid outlet 12 is used for communicating the box body and a detergent dispensing pipeline, the box body is provided with a one-way ventilation structure for balancing air pressure inside and outside the detergent additive box; the washing additive box is internally provided with a liquid outlet device, the washing additive is arranged in a cavity in the box body, and under the action of a negative pressure extraction mechanism, the washing additive enters a detergent feeding pipeline from a liquid outlet through the liquid outlet device, enters a main water inlet pipeline and enters a washing barrel.

The liquid outlet device comprises an on-off valve arranged on the liquid outlet 12 and a suction device arranged in the washing additive box, wherein the inlet of the suction device is communicated with the washing additive box, and the outlet of the suction device is communicated with the inlet of the on-off valve.

The structure of the detergent additive cartridge 1 of the present embodiment may be provided in two structures, a first structure: referring to fig. 9 to 11, the liquid outlet 12 is disposed on a side wall, and the detergent additive box 1 is a rectangular or square box structure. Preferably, the detergent additive box 1 is a cuboid structure, the liquid outlet 12 of the detergent additive box is arranged on the side wall of one side, the side wall is connected with the box body in a sealing way, the on-off valve 5 can be arranged integrally with the side wall, and the inlet of the on-off valve 5 is communicated with the outlet of the suction device 3 in a sealing way; the second structure is as follows: referring to fig. 18, the detergent additive is in a regular rectangular structure, the liquid outlet 12 is arranged on the bottom wall, the on-off valve 5 and the bottom wall are integrally arranged, the on-off valve 5 is vertically arranged, one end of the suction device 3 is arranged towards the bottom wall, the other end of the suction device is turned twice, the outlet of the suction device is hermetically communicated with the inlet of the on-off valve 5, and the reversing position of the flow channel corresponding to the inlet of the on-off valve 5 is an outward-expanding arc surface; the reversing position on the flow channel corresponding to the inlet of the on-off valve 5 is an outward-expanding arc surface which is beneficial to the flow of the washing additive in the flow channel, and compared with the mode that a right angle or a corner similar to the right angle is adopted at the reversing position, the reversing position is designed into the outward-expanding arc surface which is beneficial to the flow of liquid, but not generating intermittent flow. Preferably, two turning positions in the flow channel are both outward-expanding arc surfaces.

In the first solution, as shown in fig. 18-19, the suction device 3 extends toward the bottom wall of the detergent additive box 1, and the inlet thereof is disposed toward the bottom wall of the detergent additive box 1, and a gap for passing the liquid is left between the suction device and the bottom wall.

In the embodiment, the suction device 3 is provided, the inlet of the suction device 3 is arranged towards the bottom wall of the detergent additive box 1, and a gap for liquid to pass through is reserved between the suction device and the bottom wall, so that the detergent additive in the detergent additive box 1 can be completely extracted, and no waste is generated. Preferably, the bottom wall of the detergent additive box 1 is recessed to form a groove 13 with a position lower than the surface of the bottom wall of the detergent additive box 1 corresponding to the inlet of the suction device 3, and the inlet of the suction device 3 is positioned in the groove 13 and leaves a gap for liquid to pass through with the bottom surface and the side wall of the groove 13. In this embodiment, the recess 13 formed at the bottom wall corresponding to the inlet of the suction device 3 is lower than the surface of the bottom wall of the detergent additive box 1, so as to gather the detergent additives when the residual amount of the detergent additives is small, and the inlet of the suction device 3 is located in the recess 13, thereby fully utilizing the detergent additives, saving the detergent additives to the greatest extent, and avoiding waste.

Furthermore, the suction device 3 is of a hollow tubular structure, a flow channel is formed inside the suction device, one end of the flow channel faces the bottom wall of the detergent additive box 1, the other end of the flow channel is communicated with an inlet of the on-off valve 5, an arc-shaped reversing flow guide channel is formed between the inlet and an outlet of the flow channel, and a reversing part, corresponding to the inlet of the on-off valve 5, on the flow channel is an outward-expanding arc surface; preferably, the radius of the arc surface is larger than that of the flow passage. The reversing position on the flow channel corresponding to the inlet of the on-off valve 5 is an outward-expanding arc surface which is beneficial to the flow of the washing additive in the flow channel, and compared with the mode that a right angle or a corner similar to the right angle is adopted at the reversing position, the reversing position is arranged to be the outward-expanding arc surface which is beneficial to the flow of liquid, but not to generate intermittent flow.

Preferably, the on-off valve 5 comprises a drainage channel, and a piston 52 and a return spring 51 which are arranged in the drainage channel, wherein the piston 52 blocks the drainage channel under the action of the return spring 51.

Preferably, the on-off valve 5 comprises a drainage channel and a piston 52 arranged in the drainage channel, a gap for liquid flowing is reserved between the outer wall of the piston 52 and the inner wall of the drainage channel, a narrowing section is arranged at one end of the drainage channel, which is positioned at an outlet, and the piston 52 is pressed on the narrowing section under the action of a return spring 51 to close the drainage channel.

Preferably, the liquid outlet 12 is used for being communicated with a detergent feeding pipeline of the washing machine to feed a washing additive into a washing barrel of the washing machine, and a communicating structure is arranged on the detergent feeding pipeline or the switching mechanism and is used for opening the on-off valve 5 when the liquid outlet 12 is communicated with the detergent feeding pipeline or is communicated with the switching mechanism on the detergent feeding pipeline.

In this embodiment, the communicating structure may be a protruding structure or a protruding structure, and the protruding structure may extend into the liquid outlet 12 to cooperate with the piston 52. The projecting structure pushes the piston 52 open, i.e. opens said on-off valve 5.

Preferably, the communicating structure is arranged at the end of the switching mechanism, the piston 52 is pushed to open the on-off valve 5, and a sealing ring 41 is arranged in the liquid outlet 12 or a drainage channel of the on-off valve 5 to seal the joint of the liquid outlet 12 and the switching mechanism.

In the above scheme, the communicating structure is a cylindrical structure, a flow passage is formed inside the communicating structure, one end of the communicating structure is used for being matched with the detergent additive box 1 to open the on-off valve 5, and the other end of the communicating structure is used for being communicated with a switching mechanism of the washing machine. The side wall of one end for matching with the detergent additive box 1 is provided with an opening communicated with an internal flow channel of the detergent additive box, so that when the end part props against the piston 52, the opening of the side wall drains the detergent additive into the flow channel of the communicating structure, and then the detergent additive enters the washing machine through a detergent feeding pipeline.

Preferably, the detergent additive box 1 is a cube or a cuboid structure, and the liquid outlet 12 is flush with the outer surface of the detergent additive box 1. Of course, the liquid outlet 12 may protrude from the surface of the detergent additive box 1, and in order to reduce the processing difficulty and simplify the structure of the installation cavity for accommodating the detergent additive box 1, it is preferable to design the detergent additive box 1 to be a regular cube or a rectangular parallelepiped, and the liquid outlet 12 is flush with the outer surface of the detergent additive box 1.

In the second scheme, the liquid outlet 12 of the detergent additive box 1 is arranged on the side wall of the detergent additive box 1, the washing machine is provided with a water box, a distribution box capable of being drawn out or pushed in is arranged in the water box, an installation cavity is arranged on the distribution box, the detergent additive box 1 is installed in the installation cavity, and a communicating structure is arranged in the water box, so that when the distribution box is pushed into the water box, the communicating structure opens the on-off valve 5 to communicate the cavity with the detergent feeding pipeline.

The liquid outlet 12 is arranged at the bottom of the side wall, and the suction device 3 is a hollow tubular structure arranged horizontally; wherein, the liquid outlet 12 is arranged at the bottom of the side wall, which is beneficial for the suction device 3 to fully suck the washing additive in the washing additive box 1.

Or, the liquid outlet 12 is arranged at any position of the sidewall, the suction device 3 is a hollow tubular structure with an inlet end bent towards one side of the bottom wall of the detergent additive box 1, the inlet of the suction device faces towards the bottom wall, and a gap for liquid to pass through is reserved between the suction device 3 and the bottom wall.

EXAMPLE five

Referring to fig. 20 to 22, the present embodiment is a further limitation of the first embodiment, the distribution box of the automatic dispensing system of a washing machine of the present embodiment is capable of being pulled out of or pushed into a water box of the washing machine, the distribution box is internally provided with an installation cavity 202 for placing at least one detergent additive box, the detergent additive box 1 is a closed box structure with a cavity for containing detergent additives, the detergent additive box is provided with a one-way vent valve 2 and a liquid outlet 12, and the liquid outlet 12 is provided with an on-off valve 5.

The detergent additive box 1 is also internally provided with a suction device 3, an inlet of the suction device 3 is communicated with the cavity, and an outlet of the suction device 3 is communicated with an inlet of the on-off valve 5.

The suction device 3 extends to the bottom wall of the detergent additive box 1, an inlet of the suction device is arranged towards the bottom wall of the detergent additive box 1, and a gap for liquid to pass through is reserved between the suction device and the bottom wall.

Furthermore, the suction device 3 is of a hollow tubular structure, a flow channel is formed inside the suction device, one end of the flow channel faces the bottom wall of the detergent additive box 1, the other end of the flow channel is communicated with an inlet of the on-off valve 5, an arc-shaped reversing flow guide channel is formed between the inlet and an outlet of the flow channel, and a reversing part, corresponding to the inlet of the on-off valve 5, on the flow channel is an outward-expanding arc surface; preferably, the radius of the arc surface is larger than that of the flow passage. The reversing position on the flow channel corresponding to the inlet of the on-off valve 5 is an outward-expanding arc surface which is beneficial to the flow of the washing additive in the flow channel, and compared with the mode that a right angle or a corner similar to the right angle is adopted at the reversing position, the outward-expanding arc surface at the reversing position is beneficial to the flow of liquid instead of generating intermittent flow.

Preferably, the liquid outlet 12 is used for communicating with a switching mechanism of an automatic dispensing system of a washing machine to dispense a washing additive into a washing tub, i.e., an inner tub, of the washing machine, and the switching mechanism is provided with a communicating structure for opening the on-off valve 5 when the liquid outlet 12 is communicated with the switching mechanism.

The communicating structure can be a convex structure or a convex structure, the convex structure is horizontally arranged in the water box and corresponds to the position of the liquid outlet 12 of the washing additive box, and when the distribution box is pushed into the water box, the convex structure can extend into the liquid outlet 12 to be matched with the piston 52. The projecting structure pushes the piston 52 open, i.e. opens said on-off valve 5.

In the above scheme, the communicating structure is a cylindrical structure, and is horizontally arranged in the water box, a flow passage is formed in the communicating structure, one end of the communicating structure is used for being matched with the detergent additive box 1 to open the on-off valve 5, and the other end of the communicating structure is used for being communicated with the switching mechanism in the water box. The side wall of one end for matching with the detergent additive box 1 is provided with an opening communicated with an internal flow passage of the detergent additive box, so that when the end part pushes against the piston 52, the opening of the side wall drains the detergent additive into the flow passage of the communicating structure, and then the detergent additive enters the washing machine through the switching mechanism.

Preferably, the detergent additive box 1 is a cube or a cuboid structure, and the liquid outlet 12 is flush with the outer surface of the detergent additive box 1. Of course, the liquid outlet 12 may protrude out of the surface of the detergent additive box 1, in order to reduce the processing difficulty and simplify the structure of the installation cavity for accommodating the detergent additive box 1, the detergent additive box 1 is preferably designed to be a regular cube or a cuboid, and the liquid outlet 12 is flush with the outer surface of the detergent additive box 1, so that the structure of the installation cavity 202 on the distribution box is simplified, and the installation cavity is also set to be a regular cube or a cuboid, thereby reducing the processing complexity.

The liquid outlet 12 is arranged at the bottom of the side wall of the detergent additive box, and the suction device 3 is a hollow tubular structure which is horizontally arranged; wherein, the liquid outlet 12 is arranged at the bottom of the side wall, which is beneficial for the suction device 3 to fully suck the washing additive in the washing additive box 1.

Furthermore, at least one placing space for placing the detergent additive box 1 is defined in the mounting cavity 202, and a limiting structure is arranged on the mounting cavity 202 and used for limiting the movement of the detergent additive box 1 when the detergent additive box 1 is arranged on the mounting cavity.

The limiting structure comprises an elastic part 204 arranged on one side of the mounting cavity, and the elastic part is arranged between the detergent additive box 1 and the side wall of the mounting cavity 202 in an elastic deformation mode when the detergent additive box 1 is arranged on the mounting cavity 202. Preferably, the detergent additive box is of a rectangular parallelepiped structure, and the elastic member is arranged along the length direction of the detergent additive box. In the above solution, the elastic element 204 may fix the detergent additive box, and may have a buffering effect on the detergent additive box during the vibration of the washing machine. Preferably, the elastic member may be provided integrally with the distribution box, thereby simplifying the structure.

Preferably, the detergent additive box 1 comprises a plurality of detergent additive boxes 1 which are respectively arranged in the mounting cavity 202 in parallel, and the limiting structure further comprises at least one partition rib 103 which is arranged on the bottom wall of the mounting cavity 202 and is used for partitioning each detergent additive box 1 to form at least two placing spaces for placing the detergent additive boxes 1.

In the above scheme, the partition ribs 103 can limit the movement of the detergent additive box, and can divide the installation cavity into a plurality of different placing spaces, so that even if the number of the detergent additive box is smaller than that of the placing spaces, the detergent additive box is limited by the partition ribs when being arranged in the installation cavity, and the partition ribs have the effect of fixing the detergent additive box.

Preferably, the partition rib 103 is disposed in the same direction as the elastic member, the partition rib 103 limits the movement of the detergent additive box 1 in a first direction, and the elastic member 204 limits the movement of the detergent additive box 1 in a second direction perpendicular to the first direction.

In the above scheme, be provided with an elastic component in each placing space respectively, this elastic component sets up with separating the muscle syntropy, sets up between two adjacent separation muscle, because spacing direction between them is different to can be inside the stable spacing installation cavity of detergent additive box 1.

Preferably, a handle fastening position 203 is arranged on the side wall of the mounting cavity 202 on the side opposite to the elastic element; preferably, the locking portion 203 is a recess extending outwardly from a sidewall of the mounting cavity 202. In the above scheme, hand position 203 is buckled in the design, is favorable to dismantling this washing additive box, wherein, the hand position of buckleing be located the relative one side of elastic component 204, then provides convenience for the dismantlement of washing additive box 1, based on this structural design, then at the dismantlement process, the user can break off the washing additive box to elastic component 204 one side in the hand position department, then the elastic component can take place elastic deformation to make the washing additive box have mobilizable space, at this moment, upwards the application of force can take off this washing additive box.

And a convex structure 11 for increasing friction force is arranged on the detergent additive box 1 corresponding to the hand buckling position. The protruding structure is further convenient for users to detach, and preferably, the protruding structure is a plurality of protruding ribs arranged on the side surface of the detergent additive box in parallel.

Further, the distribution box comprises an upper box body 10 and a lower box body 20, the upper box body 10 and the lower box body 20 can be detached, washed and integrated, a drainage structure communicated with the outer barrel of the washing machine is arranged/connected on the lower box body 20, the mounting cavity 202 is arranged on the upper box body 10, and the bottom wall of the mounting cavity 202 is provided with a through hole 101 communicated with the lower box body 20; the through hole 101 is convenient for a user to clean the installation cavity 202, because in long-time use, the liquid outlet 12 of the detergent additive box 1 may have liquid leakage, at the moment, the installation cavity 202 can be flushed by water, and the flushed water can enter the lower box body 20 through the through hole 101, so that the purpose of cleaning is achieved.

The communicating structure set up in the water box, and relative in the installation cavity 202 of this upper box body 10 liquid outlet 12 seted up and dodge mouthful 102, should dodge mouthful 102 and be provided with and dodge mouthful 201 on the lower box body simultaneously also corresponding should dodge mouthful 102, through this structure, then when pushing this distribution box in the water box, the communicating structure that sets up on the water box passes in proper order and dodges mouthful 201 and dodge mouthful 102 with the liquid outlet cooperate, and then open the on-off valve. Communicating the cavity with the switching mechanism. The water box is also internally provided with a negative pressure generator which is used for pumping the liquid in the washing additive box to the inside of the washing machine. Preferably, the upper case 10 is further provided with a stopper 205 for cooperating with a water box of the washing machine to limit the dispensing box from being separated from the water box.

In the above-mentioned solution, the through hole 101 is designed to facilitate cleaning of the inside of the mounting cavity 202, when the laundry additive box is disposed on the distribution box, because the distribution box is often drawn, a small amount of laundry additive may be leaked, and after a period of use, when the leaked laundry additive is found in the mounting cavity 202, the mounting cavity 202 may be cleaned by water, and the cleaned water containing the laundry additive may flow into the lower box body through the through hole and then flow into the washing machine through the lower box body. Of course, when the installation cavity 202 is cleaned, the washing can be performed before the washing, so that the leaked washing additives can be fully utilized, and the effect of saving is achieved.

Preferably, the upper box body is further provided with a disposable throwing cavity 206, and a siphon structure is arranged in the disposable throwing cavity 206.

In the above solution, the dispensing box may further be provided with a disposable dispensing chamber 206, so that the dispensing box of the present invention is not limited to dispense the detergent additive through the detergent additive box 1, and may also be directly used by dispensing through the disposable dispensing chamber 206 in a single time. Under the conditions that a user only needs to use one detergent for single washing, whether the same detergent is used or not is uncertain next time, and the like, the user can pour the washing additive into the disposable putting cavity 206 to finish single washing, and the washing machine is simple and rapid.

Preferably, the disposable releasing cavity is adjacent to the installation cavity 202, the opening end of the disposable releasing cavity 206 is further provided with a releasing funnel 6, and the outlet of the releasing funnel 6 is opposite to the opening of the disposable releasing cavity 206.

Preferably, the throwing funnel 6 is clamped at the top of the disposable throwing cavity through a buckle structure. The throwing funnel is provided with a flow guide wall from an opening to the lower part, the opening is formed in the bottom of the flow guide wall, and the flow guide wall is of an inward inclined structure. Thereby facilitating the use of the user.

Preferably, the integrative siphon cap 61 that is provided with in bottom of input funnel, disposable input intracavity correspond siphon cap an organic whole and be provided with siphon post 62, lower floor's box body 20 on the export that corresponds siphon post be provided with the water conservancy diversion structure, inside water conservancy diversion washing additive to washing machine.

In the above solution, referring to fig. 22, a siphon cap 61 is integrally disposed at the bottom of the dropping funnel 6, and a siphon column 62 is integrally disposed in the disposable dropping chamber 206 corresponding to the siphon cap 61, so that the disposable dropping chamber is cleaned. The structure is more reasonable. When cleaning, the throwing funnel can be detached for washing.

Preferably, a washing powder feeding cavity is further arranged on the upper box body 10 of the distribution box, and the washing powder feeding cavity is used for once feeding and single washing of washing powder. The washing powder feeding cavity is internally provided with a guide plate which extends from one side wall to the opposite side wall in an inclined way, the bottom wall of the washing powder feeding cavity is provided with a washing powder outlet which is communicated to the lower box body 20 and corresponds to the tail end of the guide plate, and the lower box body 20 is provided with a flow guide structure which guides the water mixed with the washing powder to the inside of the washing machine.

The distribution box is provided with the mounting cavity 202, so that the detergent additive box 1 can be quickly mounted and dismounted, and the structures of the mounting cavity 202 and the detergent additive box 1 are matched with each other, so that the mounting and dismounting processes of the detergent additive box 1 are convenient and simple.

EXAMPLE six

The embodiment provides a washing machine, and the washing machine is provided with an automatic putting system of the washing machine in any one or combination of the first embodiment to the fifth embodiment.

The washing machine of this embodiment is in the laundry process, when needing to add the detergent, and washing machine control switching mechanism will hold the washing additive box of the clothing treatment additive of needs and the negative pressure pipeline intercommunication in the negative pressure extraction mechanism, and rivers are taken corresponding one or more clothing treatment additive to main water intake pipe in through the negative pressure that venturi's export produced, from one or more export entering water box's of main water intake pipe delivery port. Meanwhile, the main water inlet pipeline simultaneously feeds water into the washing powder feeding box, dissolves the washing powder in the washing powder feeding box, enters the water outlet of the water box 1001 from the outlet of the washing powder feeding box, and is discharged into the washing barrel.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an automatic dispensing system of washing machine, includes the water box, has the delivery port with washing machine washtub intercommunication on the water box to the integration has main inlet channel and detergent to put in the pipeline, and main inlet channel is equipped with a plurality of exports, its characterized in that still includes:

the washing powder feeding box is arranged in the second mounting part and is provided with a washing powder feeding cavity, and the washing powder feeding cavity is respectively communicated with the outlet of the main water inlet pipeline and the water outlet of the water box so as to flush washing powder into a washing barrel of the washing machine;

the one-way ventilation structure comprises a ventilation element and a switch element, wherein a connecting hole for connecting the switch element and an annular groove for sealing the auxiliary switch element are formed in the ventilation element; the air permeable element is provided with air holes which penetrate through the upper end surface and the lower end surface of the air permeable element, and air outlets of the air holes are arranged on the lower end surface inside the annular groove; the switch element comprises a switch part and a connecting part, and the connecting part is clamped in the connecting hole; the switch part is of an inverted umbrella-shaped structure, covers the lower end face of the breathable element, and the tail end of the switch part extends into the annular groove; the switch part is closed, the tail end of the switch part extends into the annular groove, and the air hole is sealed; the switch part is opened, the switch part deforms, the tail end of the switch part leaves the annular groove, and the air holes are ventilated in one direction.

2. The automatic dispensing system of washing machine as claimed in claim 1, wherein there are at least two detergent additive boxes, further comprising a switching mechanism having an inlet and at least one outlet corresponding to the number of detergent additive boxes, each inlet being in communication with a corresponding detergent additive box, and at least one outlet being in communication with a negative pressure extraction mechanism.

3. The automatic dispensing system of a washing machine according to claim 1, wherein the detergent additive box is further provided with a liquid outlet device, the liquid outlet device is arranged at the liquid outlet and comprises an on-off valve arranged on the liquid outlet and a suction device arranged in the detergent additive box, an inlet of the suction device is communicated with the detergent additive box, and an outlet of the suction device is communicated with an inlet of the on-off valve.

4. The automatic dispensing system of claim 3, wherein the suction device is a hollow tubular structure, and a flow channel is formed inside the suction device, one end of the flow channel faces the bottom wall of the detergent additive box, and the other end of the flow channel is communicated with the inlet of the on-off valve.

5. The automatic dispensing system of a washing machine as claimed in claim 4, wherein the flow path forms an arc-shaped reversing flow guide channel from the inlet to the outlet, and the reversing position of the flow path corresponding to the inlet of the on-off valve is an outwardly-expanded arc surface.

6. The automatic dispensing system of a washing machine as claimed in claim 5, wherein the radius of the circular arc surface is greater than the radius of the flow channel.

7. The automatic dispensing system of a washing machine according to claim 3, wherein the on-off valve comprises a drainage channel, and a piston and a return spring which are arranged in the drainage channel, and the piston blocks the drainage channel under the action of the return spring.

8. An automatic dispensing system for washing machines as claimed in claim 7 wherein said outlet or the flow path of said on/off valve has a sealing element disposed therein for sealing the junction of the outlet and the switching mechanism.

9. An automatic dispensing system for washing machine according to any of claims 1-8, wherein the mounting chamber is provided with a limiting structure, the limiting structure comprising an elastic member disposed at one side of the mounting chamber for elastically deforming between the detergent additive box and the sidewall of the mounting chamber when the detergent additive box is disposed on the mounting chamber.

10. The automatic dispensing system of a washing machine according to claim 9, wherein the detergent additive boxes comprise a plurality of detergent additive boxes which are respectively arranged in the mounting cavity in parallel, and the limiting structure further comprises at least one separating rib arranged on the bottom wall of the mounting cavity and used for separating the detergent additive boxes.

11. The automatic dispensing system of claim 10, wherein the partitioning rib is disposed in a same direction as the elastic member, the partitioning rib restricts movement of the detergent additive container in a first direction, and the elastic member restricts movement of the detergent additive container in a second direction perpendicular to the first direction.

12. An automatic washing machine feeding system according to any one of claims 1 to 8, characterized in that the installation cavity is arranged adjacent to and parallel to the washing powder feeding box, a flow guide plate extending from one side wall to the opposite side wall is arranged in the washing powder feeding cavity, a washing powder outlet is arranged on the bottom wall of the washing powder feeding cavity, and the washing powder outlet is communicated with the water outlet of the water box.

13. The automatic dispensing system of a washing machine as claimed in claim 12, wherein the outlet of the washing powder is disposed at the end of the deflector, and the end of the deflector is suspended and lower than the height of the starting end of the deflector.

14. An automatic dispensing system for washing machines according to any of claims 1-8, characterized in that the dispensing box comprises an upper box and a lower box, the upper and lower boxes are detachable/integral, the lower box is provided with/connected to a flow guide structure leading to the outlet of the water box, the mounting cavity and the disposable dispensing box are provided on the upper box, the bottom wall of the mounting cavity is provided with a through hole leading to the lower box, and the outlet of the washing powder dispensing box is connected to the lower box.

15. An automatic dispensing system for a washing machine as claimed in claim 14, wherein said through hole is disposed adjacent to said liquid outlet.

16. A washing machine having an automatic dispensing system as claimed in any one of claims 1 to 15.