CN215405140U

CN215405140U - Feeding device of clothes treatment equipment and clothes treatment equipment with feeding device

Info

Publication number: CN215405140U
Application number: CN202022616774.0U
Authority: CN
Inventors: 朴澯蔿; 王笑笑
Original assignee: Wuxi Little Swan Electric Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2022-01-04
Anticipated expiration: 2030-11-12

Abstract

The utility model particularly relates to a throwing device of a clothes treatment device and the clothes treatment device with the throwing device. The utility model aims to solve the technical problem that the existing throwing device is complex in structure. The utility model provides a throwing device of clothes treatment equipment, comprising: a detergent box, wherein an accommodating cavity is formed in the detergent box; the distributor box is arranged in the accommodating cavity, and a liquid leakage port is formed in the bottom of the distributor box; piston assembly, piston assembly include piston cylinder and piston rod, be provided with on the piston cylinder respectively with the weeping mouth with hold inlet and the liquid outlet of chamber intercommunication, form the piston chamber between piston cylinder and the partial piston rod, the both ends of piston rod respectively with elastic element and clothes treatment facility's water piping connection, the piston rod makes piston chamber and inlet or liquid outlet intercommunication under elastic force and hydraulic reciprocal effort. The feeding device can feed the detergent by utilizing the water pressure to drive the piston assembly, thereby simplifying the structure of the feeding device and reducing the cost.

Description

Feeding device of clothes treatment equipment and clothes treatment equipment with feeding device

Technical Field

The utility model relates to the technical field of household appliances, in particular to a throwing device of a clothes treatment device and the clothes treatment device with the throwing device.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The existing automatic detergent dispensing pump dispenses detergent by adopting a mode that a motor is matched with a piston or an impeller, the automatic detergent dispensing pump needs to be electrified to enable the motor to rotate, and then the rotary motion of the motor is converted into linear motion or rotary motion to dispense the detergent. The existing automatic detergent feeding pump is greatly restricted by space due to the use of a motor, and the cost of the automatic detergent feeding pump is increased. Meanwhile, because the automatic detergent feeding pump uses high voltage, safety risk exists in the use process.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

In order to achieve the above object, a first aspect of the present invention provides a dispensing device of a laundry treating apparatus, the dispensing device comprising: a detergent box, wherein an accommodating cavity is formed in the detergent box; the distributor box is arranged in the accommodating cavity, and a liquid leakage port is formed in the bottom of the distributor box; piston assembly, piston assembly include piston cylinder and piston rod, be provided with on the piston cylinder respectively with the weeping mouth with hold inlet and the liquid outlet of chamber intercommunication, form the piston chamber between piston cylinder and the partial piston rod, the both ends of piston rod can be connected with elastic element and clothes treatment facility's inlet tube respectively, the piston rod makes piston chamber and inlet or liquid outlet intercommunication under elastic force and hydraulic reciprocal effort.

The feeding device can feed the detergent by utilizing the water pressure to drive the piston assembly, thereby simplifying the structure of the feeding device and reducing the cost. Specifically, the piston rod can make piston chamber and piston cylinder's inlet intercommunication under natural state or elastic element's effort to make the detergent in the distributor box flow to the piston chamber through the inlet of piston cylinder, when needs put in the detergent, the piston rod can make piston chamber and piston cylinder's liquid outlet intercommunication under water pressure, thereby make the detergent that flows to the piston chamber flow through the liquid outlet of piston cylinder.

In addition, the dispensing device of the clothes treatment equipment according to the present invention may further have the following additional technical features:

according to one embodiment of the utility model, the piston cylinder is transversely arranged at the bottom of the distributor box, the liquid inlet is arranged at the top of the piston cylinder, and the liquid outlet is arranged at the bottom of the piston cylinder and staggered with respect to the liquid inlet along the axial direction of the piston cylinder.

According to one embodiment of the utility model, one end of the piston rod is provided with a water pressure part connected with the water inlet pipe, the middle part of the water pressure part is provided with a water pressure groove, and water flowing out of the water inlet pipe is collected in the water pressure groove to apply water pressure to the piston rod.

According to one embodiment of the utility model, the outer wall of the water pressure part is provided with two sealing parts which are distributed at intervals, the two sealing parts are in interference fit with the piston cylinder, and the outer wall of the water pressure part is provided with a containing groove positioned between the two sealing parts.

According to one embodiment of the utility model, the other end of the piston rod is provided with a reset part, the end part of the reset part extends out of the piston cylinder, and the elastic element is installed in the piston cylinder and sleeved on the part, located in the piston cylinder, of the reset part.

According to one embodiment of the present invention, the reset portion is provided with a mounting protrusion to which the elastic member is mounted, and the reset portion is formed with a mounting groove between the mounting protrusion and an inner wall of the piston cylinder.

According to an embodiment of the present invention, the mounting groove is communicated with the liquid outlet under the condition that the elastic element is in a natural state, and the top of the piston cylinder is further provided with an air hole communicated with the mounting groove.

According to an embodiment of the utility model, the end part of the resetting part, which extends out of the piston cylinder, is provided with limiting pieces distributed along the radial direction, and when the limiting pieces are pressed on the piston cylinder under the driving of the elastic element and the resetting part, the piston cavity is communicated with the liquid inlet.

According to one embodiment of the utility model, a plurality of distribution cavities are arranged in the distributor box, a plurality of liquid leakage openings which correspond to the distribution cavities one by one are arranged at the bottom of the distributor box, and the throwing device comprises a plurality of piston assemblies which correspond to the liquid leakage openings one by one.

A second aspect of the present invention provides a laundry treating apparatus comprising a dosing device of the laundry treating apparatus according to the first aspect of the present invention.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a dispensing device of a laundry treating apparatus according to an embodiment of the present invention;

figure 2 is a cross-sectional view of the delivery device shown in figure 1;

fig. 3 is an enlarged schematic structural view of a part a of the dispensing device shown in fig. 2;

FIG. 4 is a cross-sectional view of the piston assembly of one embodiment of the present invention in the feed state;

FIG. 5 is a cross-sectional view of the piston assembly in a fluid-out state in accordance with one embodiment of the present invention;

FIG. 6 is a schematic structural view of a piston assembly in accordance with one embodiment of the present invention;

FIG. 7 is a schematic illustration of a disassembled configuration of the piston assembly of FIG. 6;

wherein the reference numbers are as follows:

10. a detergent box; 11. a cover plate; 12. a base plate; 13. a water inlet pipe;

20. a dispenser box;

30. a piston assembly; 31. a piston cylinder; 311. a liquid inlet; 312. a liquid outlet; 313. air holes; 32. a piston rod; 33. a water pressing part; 331. a seal ring; 34. a reset section; 341. an elastic element; 342. a limiting member; 343. mounting a boss; 35. mounting a plate; 36. a threaded sleeve;

B. a mixing chamber; C. a piston cavity; D. a water pressure tank; E. and (4) mounting the groove.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the application of the dispensing device to a laundry treatment apparatus according to the present invention is only a preferred embodiment and is not intended to limit the scope of application of the dispensing device according to the present invention, for example, the dispensing device according to the present invention may also be applied to other household appliances such as dishwashers, etc., and such an adjustment belongs to the scope of application of the dispensing device according to the present invention.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

For convenience in description, spatially relative terms, such as "inner", "bottom", "top", "end", "upper", "middle", "transverse", "radial", "lateral", "outer", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. This spatially relative relationship is intended to encompass different orientations of the mechanism in use or operation in addition to the orientation depicted in the figures. For example, if the mechanism in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The mechanism may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1, 2 and 3, a first aspect of the present invention provides a dispensing device of a clothes treating apparatus, the dispensing device includes a detergent box 10, a distributor box 20 and a piston assembly 30, the detergent box 10 includes a containing cavity formed by a cover plate 11 and a bottom plate 12, the distributor box 20 is detachably disposed in the containing cavity and located at the top of the containing cavity, a mixing cavity B located below the distributor box 20 is disposed at the bottom of the containing cavity, a liquid leakage port is disposed at the bottom of the distributor box 20, the piston assembly 30 includes a piston cylinder 31 and a piston rod 32, a liquid inlet 311 and a liquid outlet 312 which can be respectively communicated with the liquid leakage port and the containing cavity are disposed on the piston cylinder 31, the liquid outlet 312 is communicated with the mixing cavity B in the containing cavity, the dispensing device can dispense detergent in the distributor box 20 to the mixing cavity B at the bottom of the containing cavity through the piston assembly 30, a piston cavity C is formed between the piston cylinder 31 and a part of the piston rod 32, both ends of the piston rod 32 are respectively connected with the elastic element 341 and the water inlet pipe 13 of the clothes treatment device, and the piston rod 32 makes the piston cavity C communicate with the liquid inlet 311 or the liquid outlet 312 under the reciprocating action force of the elastic force and the water pressure.

The clothes processing device can be a washing machine, a clothes dryer or a dry cleaning all-in-one machine, taking the clothes processing device as an example of the washing machine, during the washing process of the washing machine, clothes are put into the washing machine, detergent is put into the distribution cavity of the distribution box 20, the bottom of each distribution cavity is provided with the piston assembly 30 of the embodiment of the application, the piston rod 32 in the piston assembly 30 can enable the piston cavity C to be communicated with the liquid leakage port at the bottom of the distribution box 20 under the natural state or under the action of the elastic element 341, so that the detergent in the distribution cavity flows into the piston cavity C of the piston assembly 30, when the detergent needs to be put into the washing machine, the water inlet pipe 13 in the washing machine leads water to one end of the piston rod 32, the piston rod 32 slides in the piston cylinder 31 under the hydraulic pressure, during the sliding process of the piston rod 32, the piston cavity C is disconnected with the liquid leakage port at the bottom of the distribution box 20, the piston cavity C is communicated with the liquid outlet 312 at the bottom of the piston cylinder 31, the detergent in the piston cavity C flows into the mixing cavity B at the bottom of the detergent box 10 through the liquid outlet 312, after the piston assembly 30 finishes one-time feeding, the water inlet pipe 13 stops supplying water to one end of the piston rod 32, at this time, the piston rod 32 slides in the piston cylinder 31 under the action of the elastic element 341, in the sliding process of the piston rod 32, the piston cavity C is disconnected from the liquid outlet 312 at the bottom of the piston cylinder 31, the piston cavity C is re-communicated with the liquid leakage opening at the bottom of the distributor box 20, the detergent in the distributor cavity of the distributor box 20 flows into the piston cavity C of the piston assembly 30 again, so that the purpose of feeding the detergent into the mixing cavity B at the bottom of the detergent box 10 is achieved in a reciprocating manner, the required detergent amount can be controlled to be fed into the mixing cavity B by controlling the reciprocating times of the piston assembly 30, and after the washing machine starts to work, during the washing process of the washing machine, the detergent in the mixing chamber B is brought into the washing machine by the water inlet of the washing machine.

According to the dispensing device in the embodiment, the dispensing device of the present invention can dispense detergent by driving the piston assembly 30 with water pressure, so as to simplify the structure of the dispensing device and reduce the cost. Specifically, the piston rod 32 can enable the piston cavity C to communicate with the liquid inlet 311 of the piston cylinder 31 in a natural state or under the action of the elastic element 341, so that the detergent in the dispenser box 20 can flow into the piston cavity C through the liquid inlet 311 of the piston cylinder 31, and when the detergent needs to be put in, the piston rod 32 can enable the piston cavity C to communicate with the liquid outlet 312 of the piston cylinder 31 under the water pressure, so that the detergent flowing into the piston cavity C can flow out through the liquid outlet 312 of the piston cylinder 31.

In addition, the device of puting in of this application need not use the motor, the purpose of puting in the detergent is reached through the drive piston assembly 30 of intaking of clothing treatment facility, thereby make the device of puting in that this application embodiment provided have simple structure, convenient assembling's advantage, simultaneously, there is not the risk of electric leakage, the material cost of puting in the device has been reduced, furthermore, the pressure of intaking through clothing treatment facility is as piston assembly 30 power, for motor drive's mode, can reduce the influence of water pressure and detergent concentration to puting in the device, can also reach the purpose of quantitative puting in the detergent simultaneously.

It should be noted that, the above implementation does not limit the specific placement of the piston assembly 30 and the specific positions of the liquid inlet 311 and the liquid outlet 312, because the piston assembly 30 may be vertically disposed at the bottom of the distributor box 20, or may be transversely disposed at the bottom of the distributor box 20, and the vertical or transverse disposition of the piston assembly 30 at the bottom of the distributor box 20 is within the protection scope of the embodiments of the present application, when the piston assembly 30 is vertically disposed at the bottom of the distributor box 20, the liquid inlet 311 is disposed at the end of the piston cylinder 31 located at the top, the liquid outlet 312 is disposed at the cylinder wall of the piston cylinder 31, when the piston assembly 30 is transversely disposed at the bottom of the distributor box 20, the liquid inlet 311 and the liquid outlet 312 are both disposed at the wall of the piston cylinder 31, and the detailed placement of the piston assembly 30 and the detailed distribution positions of the liquid inlet 311 and the liquid outlet 312 are described in the following through the preferred embodiments.

Specifically, with continuing reference to fig. 2 and with continuing reference to fig. 4, according to an embodiment of the present disclosure, the piston cylinder 31 is transversely disposed at the bottom of the distributor box 20, the liquid inlet 311 is disposed at the top of the piston cylinder 31, and the liquid outlet 312 is disposed at the bottom of the piston cylinder 31 and is staggered from the liquid inlet 311 along the axial direction of the piston cylinder 31.

In this embodiment, the piston rod 32 makes the piston cavity C communicate with the liquid inlet 311 of the piston cylinder 31 under the action of the elastic element 341, the detergent in the distributor box 20 can flow into the piston cavity C through the liquid inlet 311 under the action of self gravity, the piston rod 32 makes the piston cavity C communicate with the liquid outlet 312 of the piston cylinder 31 under the action of water pressure, and the detergent in the piston cavity C can flow out through the liquid outlet 312 under the action of self gravity. Further, the piston cylinder 31 is transversely arranged at the bottom of the distributor box 20, so that the space occupied by the piston cylinder 31 can be reduced, and the overall volume of the dispensing device can be reduced. In addition, the top of the piston cylinder 31 is provided with a liquid inlet pipe corresponding to the liquid leakage port of the distributor box 20, the liquid inlet pipe is detachably mounted on the top of the piston cylinder 31, and the liquid inlet 311 is formed at the pipe orifice of the liquid inlet pipe.

With continued reference to fig. 2 and 4, according to the embodiment of the present disclosure, a water pressure portion 33 connected to the water inlet pipe 13 is disposed at one end of the piston rod 32, a water pressure groove D is disposed in a middle portion of the water pressure portion 33, and water flowing out of the water inlet pipe 13 is collected in the water pressure groove D to apply water pressure to the piston rod 32.

In this embodiment, the inner diameter of the water pressure groove D is greater than the outer diameter of the water inlet pipe 13, thereby the water inlet pipe 13 can extend into the water pressure groove D to lead water into the water pressure groove D, further, a sealing ring is arranged between the water pressure groove D and the water inlet pipe 13, the leakage of water into the water pressure groove D can be reduced, higher water pressure can be maintained in the water pressure groove D, the piston rod 32 is pushed to slide by the high water pressure, when the water inlet pipe 13 stops leading water into the water pressure groove D, the piston rod 32 can slide towards the direction of the water inlet pipe 13 under the elastic force of the elastic element 341, the water accumulated in the water pressure groove D flows back into the water inlet pipe 13 to be discharged, and the piston rod 32 can stably slide towards the direction of the water inlet pipe 13.

With reference to fig. 2 and 4, according to the embodiment of the present application, the outer wall of the water pressure portion 33 is provided with two sealing portions distributed at intervals, the two sealing portions are both in interference fit with the piston cylinder 31, and the outer wall of the water pressure portion 33 is formed with a receiving groove located between the two sealing portions.

In this embodiment, the two sealing portions include two sealing rings 331 sleeved on the outer wall of the water pressure portion 33, and the gap between the water pressure portion 33 and the piston cylinder 31 is sealed by the two sealing portions, so that the water in the water inlet pipe 13 flowing into the piston cavity C can be reduced to be mixed with the detergent in the piston cavity C. Further, when the piston rod 32 slides under the action of water pressure to disconnect the piston cavity C from the liquid inlet 311 of the piston cylinder 31 and communicate with the liquid outlet 312 of the piston cylinder 31, the accommodating groove on the water pressure portion 33 communicates with the liquid inlet 311 of the piston cylinder 31, so as to balance the internal and external air pressures in the accommodating groove, and reduce the influence of the air pressure change in the accommodating groove on the normal sliding of the piston rod 32.

With continuing reference to fig. 4 and fig. 5, according to the embodiment of the present application, the other end of the piston rod 32 is provided with a reset portion 34, an end of the reset portion 34 extends out of the piston cylinder 31, and the elastic element 341 is installed in the piston cylinder 31 and sleeved on a portion of the reset portion 34 located in the piston cylinder 31.

In this embodiment, the outer diameters of the end of the restoring portion 34 and the portion of the restoring portion 34 where the elastic element 341 is sleeved are smaller than the inner diameter of the piston cylinder 31, the inner diameter of the cylinder opening of the restoring portion 34 on the piston cylinder 31 is matched with the end of the restoring portion 34, the position of the cylinder opening in the piston cylinder 31 is provided with an annular guide ring, one end of the elastic element 341 is sleeved on the annular guide ring, the other end of the elastic element 341 is sleeved on the piston rod 32, when the piston rod 32 is subject to the hydraulic action and moves towards the elastic element 341, the elastic element 341 is in a compressed state, and when the piston rod 32 loses the hydraulic action, when the elastic element 341 returns from the compressed state to the natural state, the elastic element 341 pushes the piston rod 32 to move toward the hydraulic part 33, thereby, the piston cavity C is communicated with the liquid inlet 311 of the piston cylinder 31, and the piston cavity C is disconnected with the liquid outlet 312 of the piston cylinder 31. Specifically, the elastic element 341 according to the embodiment of the present application may be a spring or other flexible tube sleeve with elasticity.

With continued reference to fig. 4 and 5, according to the embodiment of the present application, the reset unit 34 is provided with a mounting protrusion 343 for mounting the elastic element 341, and the reset unit 34 is formed with a mounting groove E between the mounting protrusion 343 and the inner wall of the piston cylinder 31.

In the present embodiment, the mounting groove E between the mounting protrusion 343 and the end of the piston cylinder 31 provides a mounting space for the elastic member 341, and reduces the interference phenomenon that the elastic member 341 protrudes out of the piston rod 32 and the inner wall of the piston cylinder 31. Further, a groove is formed on the mounting protrusion 343, a sealing member is disposed in the groove, and the mounting protrusion 343 is sealed from the piston cylinder 31 by the sealing member.

With continued reference to fig. 2 and 4, according to the embodiment of the present application, the installation groove E is communicated with the liquid outlet 312 under the condition that the elastic element 341 is in the natural state, and the top of the piston cylinder 31 is further provided with an air hole 313 communicated with the installation groove E.

In this embodiment, set up liquid outlet 312 in the bottom of piston cylinder 31 to after piston chamber C and liquid outlet 312 communicate, the detergent in the piston chamber C can flow out through liquid outlet 312 under self action of gravity, and further, through be provided with the gas pocket 313 that corresponds with mounting groove E at the top of piston cylinder 31, gas pocket 313 can be to a certain extent the inside and outside atmospheric pressure of balanced mounting groove E, reduces the inside atmospheric pressure change of mounting groove E and influences the reciprocating motion of piston rod 32.

With continued reference to fig. 4 and 5, according to the embodiment of the present application, the end portion of the resetting portion 34 extending out of the piston cylinder 31 is provided with the limiting members 342 distributed along the radial direction, and when the limiting members 342 are pressed against the piston cylinder 31 under the driving of the elastic element 341 and the resetting portion 34, the piston cavity C is communicated with the liquid inlet 311.

In this embodiment, the end portion of the reset portion 34 extending out of the piston cylinder 31 is provided with through holes distributed along the radial direction, the limiting member 342 is a limiting rod installed at the through hole, and the length of the limiting rod is greater than the inner diameter of the piston cylinder 31, the limiting rod provided in this embodiment of the present application can limit the piston rod 32, after the piston rod 32 loses the water pressure, the phenomenon that the piston rod slides in the direction of the water inlet pipe 13 to exceed a specified position under the elastic force of the elastic element 341 is reduced, and even the phenomenon that the piston rod 32 falls off from the piston cylinder 31 occurs, the piston rod 32 is limited by the limiting member 342, so that the piston cavity C and the liquid inlet 311 are communicated by the piston rod 32 under the elastic force of the elastic element 341, and therefore, the detergent in the dispenser box 20 can flow into the piston cavity C through the liquid inlet 311.

With continuing reference to fig. 2, 4, and 6 and 7, further, according to an embodiment of the present application, a plurality of distribution cavities are disposed in the distributor box 20, a plurality of liquid leaking ports corresponding to the distribution cavities one by one are disposed at the bottom of the distributor box 20, and the dispensing device includes a plurality of piston assemblies 30 corresponding to the liquid leaking ports one by one.

In the present embodiment, different detergents are stored in a plurality of dispensing cavities, each dispensing cavity is filled with detergent therein through a corresponding piston assembly 30, the different detergents are mixed and then filled into the laundry treatment device, further, in order to facilitate the installation of the plurality of piston assemblies 30 at the bottom of the dispensing box 20, the present embodiment further proposes to connect a plurality of piston cylinders 31 of the plurality of piston assemblies 30 together, then two mounting plates 35 are provided on the two piston cylinders 31 at both ends, then threaded sleeves 36 are provided on the two mounting plates 35, and the plurality of piston cylinders 31 are installed at the bottom of the dispensing box 20 through the threaded sleeves 36 on the two mounting plates 35.

In this embodiment, the laundry processing apparatus may be a washing machine, a dryer or a dry cleaning machine, taking the laundry processing apparatus as a washing machine as an example, during the washing process of the washing machine, the clothes are put into the washing machine, a plurality of different detergents are put into a plurality of distribution cavities of the distributor box 20, a piston assembly 30 is disposed at the bottom of each distribution cavity, a piston rod 32 in the piston assembly 30 makes the piston cavity C communicate with a liquid leakage port at the bottom of the distributor box 20 under the action of an elastic element 341, so that the detergents in the different distribution cavities flow into the piston cavities C of different piston assemblies 30, when the detergents need to be put into the washing machine, a water inlet pipe 13 in the washing machine supplies water to a water pressure portion 33 of the piston rod 32, the piston rod 32 slides in the piston cylinder 31 under the action of water pressure, during the sliding process of the piston rod 32, the piston cavity C is disconnected from the liquid leakage port at the bottom of the distributor box 20, the piston cavity C is communicated with the liquid outlet 312 at the bottom of the piston cylinder 31, the detergent in the piston cavity C flows into the mixing cavity B at the bottom of the detergent box 10 through the liquid outlet 312, and different detergents are mixed together in the mixing cavity B, after the piston assembly 30 finishes one-time feeding, the piston rod 32 slides in the piston cylinder 31 under the action of the elastic element 341, in the sliding process of the piston rod 32, the piston cavity C is disconnected from the liquid outlet 312 at the bottom of the piston cylinder 31, the piston cavity C is communicated with the liquid leakage opening at the bottom of the distributor box 20, the detergent in the distribution cavity of the distributor box 20 flows into the piston cavity C of the piston assembly 30 again, so that the purpose of feeding the detergent into the mixing cavity B at the bottom of the detergent box 10 is achieved by reciprocating, the required detergent amount is controlled to be fed into the mixing cavity B by controlling the reciprocating motion frequency of the piston assembly 30, and the washing machine is started to work, during the washing process of the washing machine, the detergent in the mixing chamber B is brought into the washing machine by the water inlet of the washing machine.

It should be noted that the laundry processing apparatus may be one of a washing machine, a clothes dryer or a dry cleaning all-in-one machine, and the laundry processing apparatus has all the technical effects of the putting device of the laundry processing apparatus according to the first aspect of the present invention, and will not be described herein again.

In addition, the above-described embodiments have been described in detail only with respect to the structure of the laundry treating apparatus related to the innovative points of the present invention, and the structure of the laundry treating apparatus not related to the innovative points of the present invention will not be described in detail herein.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A dispensing device of a laundry treating apparatus, characterized in that the dispensing device comprises:

the washing machine comprises a washing agent box, a washing agent box and a washing agent box, wherein an accommodating cavity is formed in the washing agent box;

the distributor box is arranged in the accommodating cavity, and a liquid leakage port is formed in the bottom of the distributor box;

piston assembly, piston assembly includes piston cylinder and piston rod, be provided with on the piston cylinder respectively can with the weeping mouth with hold inlet and the liquid outlet of chamber intercommunication, piston cylinder and part form the piston chamber between the piston rod, the both ends of piston rod respectively with elastic element with the inlet tube connection of clothing treatment facility, the piston rod makes under elastic force and hydraulic reciprocating action force the piston chamber with the inlet or the liquid outlet intercommunication.

2. The dispensing device of a clothes treating apparatus according to claim 1, wherein the piston cylinder is transversely disposed at the bottom of the distributor box, the liquid inlet is disposed at the top of the piston cylinder, and the liquid outlet is disposed at the bottom of the piston cylinder and staggered from the liquid inlet along the axial direction of the piston cylinder.

3. The dispensing device of a clothes treating apparatus according to claim 1, wherein a water pressure portion connected to the water inlet pipe is provided at one end of the piston rod, a water pressure groove is provided at a middle portion of the water pressure portion, and water flowing out of the water inlet pipe is collected in the water pressure groove to apply water pressure to the piston rod.

4. The dispensing device of a clothes treating apparatus according to claim 3, wherein the outer wall of the water pressing portion is provided with two sealing portions spaced apart from each other, the two sealing portions are both in interference fit with the piston cylinder, and an accommodating groove is formed on the outer wall of the water pressing portion and located between the two sealing portions.

5. The laundry treating apparatus putting device according to claim 1, wherein the other end of the piston rod is provided with a reset portion, an end of the reset portion extends out of the piston cylinder, and the elastic element is installed in the piston cylinder and sleeved to a portion of the reset portion located in the piston cylinder.

6. The laundry treating apparatus putting device of claim 5, wherein the reset portion is provided with a mounting protrusion for mounting the elastic element, and the reset portion is formed with a mounting groove between the mounting protrusion and the inner wall of the piston cylinder.

7. The dispensing device of a clothes treating apparatus according to claim 6, wherein the mounting groove is communicated with the liquid outlet under a natural state of the elastic element, and the top of the piston cylinder is further provided with an air hole communicated with the mounting groove.

8. The dispensing device of a clothes treating apparatus according to claim 5, wherein the end of the restoring portion extending out of the piston cylinder is provided with a radially distributed limiting member, and when the limiting member is pressed against the piston cylinder under the driving of the elastic element and the restoring portion, the piston cavity is communicated with the liquid inlet.

9. The laundry treating apparatus putting device according to claim 1, wherein a plurality of distribution chambers are provided in the distributor box, a plurality of liquid leaking ports corresponding to the distribution chambers one to one are provided at a bottom of the distributor box, and the putting device includes a plurality of the piston assemblies corresponding to the liquid leaking ports one to one.

10. A laundry treating apparatus, characterized in that the laundry treating apparatus comprises the laundry treating apparatus dosing device according to any one of claims 1 to 9.