CN112376217A

CN112376217A - Washing machine and putting device thereof

Info

Publication number: CN112376217A
Application number: CN202010002059.XA
Authority: CN
Inventors: 巫志远; 王桑龙; 戴文娟
Original assignee: Wuxi Little Swan Electric Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2021-02-19
Anticipated expiration: 2040-01-02
Also published as: CN112376217B

Abstract

The invention discloses a washing machine and a putting device thereof, wherein the putting device comprises: the detergent box is internally limited with a storage cavity and an installation cavity, the storage cavity is used for storing detergent, the detergent box is provided with a liquid outlet, the pump assembly is arranged in the installation cavity, and the pump assembly is used for conveying the detergent in the storage cavity to the liquid outlet. According to the putting device of the washing machine, the pump assembly is arranged in the detergent box, so that the length of a pipeline for conveying detergent can be reduced, the risks of blockage, dry junction, liquid leakage and the like of the pipeline are reduced, the working reliability of the putting device is improved, the pump assembly and the detergent box can form a whole, the assembly of the putting device is convenient, and the structure of the putting device is compact.

Description

Washing machine and putting device thereof

Technical Field

The invention relates to the field of washing equipment, in particular to a feeding device of a washing machine and the washing machine.

Background

In the related art, in the washing machine having the automatic dispensing device, the detergent may be dispensed into the washing tub of the washing machine through the automatic dispensing device. However, the automatic dispensing device in the related art has a long detergent delivery pipeline due to the structural limitation of the device, and the risk of blockage, dry and dry, liquid leakage and the like of the pipeline is increased.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to propose a dispensing device for a washing machine which is highly reliable and compact.

The invention also provides a washing machine with the feeding device.

The putting device of the washing machine according to the embodiment of the first aspect of the present invention comprises: the detergent box is internally provided with a storage cavity and an installation cavity, the storage cavity is used for storing detergent, and the detergent box is provided with a liquid outlet; the pump assembly is arranged in the mounting cavity and used for conveying the detergent in the storage cavity to the liquid outlet.

According to the putting device of the washing machine, the pump assembly is arranged in the detergent box, so that the length of a pipeline for conveying detergent can be reduced, the risks of blockage, dry junction, liquid leakage and the like of the pipeline are reduced, the working reliability of the putting device is improved, the pump assembly and the detergent box can form a whole, the assembly of the putting device is convenient, and the structure of the putting device is compact.

According to some embodiments of the invention, the mounting cavity is located directly above the storage cavity.

According to some embodiments of the invention, the pump assembly comprises a venturi tube having a first inlet adapted to communicate with the water inlet, a second inlet adapted to communicate with the storage chamber, and an outlet adapted to communicate with the liquid outlet, the venturi tube having a water inlet, the second inlet, and the outlet.

According to some optional embodiments of the invention, a first communication port, a second communication port and a third communication port are formed on an inner wall of the installation cavity, the first communication port is communicated with the water inlet, the first inlet is opposite to and communicated with the first communication port, the second communication port is communicated with the storage cavity, the second inlet is opposite to and communicated with the second communication port, the third communication port is communicated with the liquid outlet, and the outlet is opposite to and communicated with the third communication port.

Optionally, a first sealing ring is arranged between the end face of the first inlet and the end face of the first communicating port, a second sealing ring is arranged between the end face of the second inlet and the end face of the second communicating port, and a third sealing ring is arranged between the end face of the outlet and the end face of the third communicating port.

According to some alternative embodiments of the invention, the venturi comprises: the pipeline comprises a first pipeline section, a second pipeline section and a third pipeline section which are sequentially connected, wherein the flow area of the second pipeline section is smaller than that of the first pipeline section and smaller than that of the third pipeline section, a first inlet is formed in the first pipeline section, a second inlet is formed in the second pipeline section, and an outlet is formed in the third pipeline section.

According to some embodiments of the invention, the pump assembly is removably disposed within the mounting cavity.

According to some alternative embodiments of the invention, the pump assembly is snap-fitted to the detergent box.

Optionally, the pump package spare has the protruding and the elasticity buckle of the relative card that sets up, be formed with on the inside wall of installation cavity with protruding complex draw-in groove of card, be equipped with towards the upper open card hole in the installation cavity, elasticity buckle is suitable for down the cooperation extremely in the card hole.

Further, the pump package spare includes lid and venturi, inject accommodation space in the lid, venturi locates in the accommodation space, the card protruding with the elasticity buckle forms on the lid and be located the relative both sides of lid, the lid is suitable for the closing cap the open end of installation cavity.

According to some alternative embodiments of the present invention, the pump assembly includes a cover body defining a receiving space therein, and a venturi tube provided in the receiving space, the cover body being detachably coupled to the venturi tube, the cover body being adapted to cover the open end of the mounting cavity.

According to some alternative embodiments of the invention, the inner side wall of the mounting cavity is formed with a first guide surface extending obliquely away from the center of the mounting cavity in a direction from the bottom wall of the mounting cavity to the open end of the mounting cavity, and the pump assembly has a second guide surface cooperating with the first guide surface.

Optionally, the pump assembly has the protruding and the elasticity buckle of card that sets up relatively, be formed with on the inside wall of installation cavity with protruding complex draw-in groove of card, be equipped with towards the open card hole in the installation cavity, elasticity buckle is suitable for the downward cooperation to in the card hole, wherein the card hole is close to first spigot surface.

According to some alternative embodiments of the invention, the pump assembly is integrally formed with the detergent box.

According to some embodiments of the invention, the delivery device further comprises: the outer box is provided with a discharge port communicated with the inner cavity of the outer box, and the detergent box can be pulled or detachably arranged in the outer box.

A washing machine according to an embodiment of a second aspect of the present invention includes: the dispensing device of the washing machine according to the above first aspect of the present invention.

According to the washing machine provided by the embodiment of the invention, the reliability of detergent putting operation of the washing machine can be improved by arranging the putting device, and the putting device can be reduced to occupy the internal space of the washing machine due to the compact integral structure of the putting device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a top view of a delivery device according to some embodiments of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 2;

FIG. 4 is a schematic view of a portion of a dispensing device according to some embodiments of the present invention;

FIG. 5 is an enlarged view at C in FIG. 4;

FIG. 6 is a cross-sectional view of a portion of a delivery device according to some embodiments of the present invention;

FIG. 7 is an enlarged view at D of FIG. 6;

fig. 8 is an enlarged view at E in fig. 6.

Reference numerals:

a delivery device 100;

an outer box 1; an inner cavity 11; a water inlet pipe 12;

a detergent box 2; a storage chamber 21; a mounting cavity 22; a sub-mounting cavity 221; a first guide surface 222; a card slot 223; the spacing bumps 23; a chucking hole 231; a water inlet passage 24; a water inlet 241; a first communication port 242; a detergent passage 25; the second communication port 251; an outlet channel 26; a third communication port 261; a liquid outlet 262;

a first seal ring 31; a second seal ring 32;

a pump assembly 4; a lid body 41; a positioning bump 411; positioning holes 412; a snap projection 413; an elastic buckle 414; a venturi tube 42; a first tube segment 421; a first inlet 4211; a second tube segment 422; a second inlet 4221; a third tube segment 423; an outlet 4231; a positioning groove 424; an elastic protrusion 425; a second guide surface 426.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A dispensing device 100 for a washing machine according to an embodiment of the present invention will be described with reference to fig. 1 to 8 (the direction of the arrows in fig. 2 and 3 is the liquid flow direction).

As shown in fig. 2, 4 and 6, the putting device 100 of the washing machine according to the embodiment of the first aspect of the present invention includes: a detergent box 2 and a pump assembly 4.

The detergent box 2 defines a storage chamber 21 and a mounting chamber 22 therein, the storage chamber 21 is used for storing detergent, and the detergent box 2 has a liquid outlet 262. A pump assembly 4 is disposed within the mounting chamber 22, the pump assembly 4 being adapted to deliver the detergent within the storage chamber 21 to the outlet port 262. When the dispensing device 100 is used in a washing machine, the pump assembly 4 can deliver the detergent in the storage chamber 21 to the outlet 262 of the detergent box 2, and finally flow into the washing drum of the washing machine.

Because the pump assembly 4 is installed in the detergent box 2, and the detergent is also stored in the detergent box 2, the length of a pipeline for conveying the detergent can be shortened, the risks of blockage, dry junction, liquid leakage and the like of the pipeline are reduced, the working reliability of the feeding device 100 is improved, the pump assembly 4 and the detergent box 2 can form a whole, the feeding device 100 is convenient to assemble, and the feeding device 100 is compact in structure.

According to the putting device 100 of the washing machine, the pump assembly 4 is arranged in the detergent box 2, so that the length of a pipeline for conveying detergent can be reduced, the risks of blockage, dry and liquid leakage and the like of the pipeline are reduced, the working reliability of the putting device 100 is improved, the pump assembly 4 and the detergent box 2 can form a whole, the assembly of the putting device 100 is convenient, and the structure of the putting device 100 is compact.

According to some embodiments of the present invention, referring to fig. 2 and 6, the installation cavity 22 is located directly above the storage cavity 21. Thereby, the piping for the detergent flowing from the storage chamber 21 to the pump assembly 4 in the installation chamber 22 can be shortened, so that the total length of the piping can be further shortened, so that the reliability of the operation of the dispensing device 100 can be further improved, and the structure of the dispensing device 100 can be made more compact.

According to some embodiments of the present invention, referring to fig. 2 and 3, the pump assembly 4 includes a venturi tube 42, the venturi tube 42 having a first inlet 4211, a second inlet 4221 and an outlet 4231, the detergent box 2 having a water inlet 241, the first inlet 4211 being adapted to communicate with the water inlet 241, the second inlet 4221 being adapted to communicate with the storage chamber 21, and the outlet 4231 being adapted to communicate with the liquid outlet 262. Therefore, when the dispensing device 100 is used in a washing machine, water may flow into the venturi tube 42 through the water inlet 241 and the first inlet 4211, and a venturi effect is generated while the water flows through the venturi tube 42, so that a negative pressure is generated in the vicinity of the venturi tube 42 while the water flows through the venturi tube 42. The detergent in the liquid storage cavity is driven by the negative pressure to enter the venturi tube 42 through the second inlet 4221, the detergent entering the venturi tube 42 is mixed with the water flow in the venturi tube 42, and then the mixture is discharged from the outlet 4231 of the venturi tube 42 and flows to the liquid outlet 262 of the detergent box 2, and finally the mixture is discharged into the washing drum of the washing machine. This pump package 4 is through adopting venturi tube 42 as the power part of the detergent in the suction storage chamber 21, because venturi tube 42 need not additionally use the energy consumption, when putting in device 100 and realizing automatic input detergent, can practice thrift the energy consumption, reduce use cost.

According to some alternative embodiments of the present invention, referring to fig. 2 to 5, the inner wall of the mounting chamber 22 is formed with a first communication port 242, a second communication port 251 and a third communication port 261, the first communication port 242 is communicated with the water inlet 241, the first inlet 4211 is opposite to and communicated with the first communication port 242, the second communication port 251 is communicated with the storage chamber 21, the second inlet 4221 is opposite to and communicated with the second communication port 251, the third communication port 261 is communicated with the liquid outlet 262, and the outlet 4231 is opposite to and communicated with the third communication port 261. Accordingly, when the dispenser 100 is used in a washing machine, water may flow into the venturi tube 42 through the water inlet 241, the first communication port 242, and the first inlet 4211, and a venturi effect may be generated while the water flows through the venturi tube 42, so that a negative pressure may be generated in the vicinity of the venturi tube 42 while the water flows through the venturi tube 42. The detergent in the liquid storage cavity is driven by the negative pressure to enter the venturi tube 42 through the second communication port 251 and the second inlet 4221, the detergent entering the venturi tube 42 is mixed with the water flow in the venturi tube 42, and then the mixture is discharged from the outlet 4231 and the third communication port 261 of the venturi tube 42, flows to the liquid outlet 262 of the detergent box 2, and finally is discharged into the washing cylinder of the washing machine. By arranging the first communicating port 242, the second communicating port 251 and the third communicating port 261 on the inner wall of the installation cavity 22, the venturi tube 42 is conveniently communicated with the water inlet 241, the storage cavity 21 and the liquid outlet 262, the flow path of the fluid can be shortened, and the working reliability of the feeding device 100 is further improved.

For example, in the example of fig. 3, a water inlet passage 24, a detergent passage 25, and a discharge passage 26 are provided in the detergent box 2. The two ends of the water inlet passage 24 respectively form the water inlet 241 and the first communicating opening 242, so that water can flow into the water inlet passage 24 from the water inlet 241 and then flow into the venturi tube 42 through the first communicating opening 242 and the first inlet 4211. One end of the detergent passage 25 forms the second communication port 251, the other end of the detergent passage 25 extends into the storage chamber 21, and the detergent in the storage chamber 21 flows into the detergent passage 25 through the other end of the detergent passage 25 and then flows into the venturi tube 42 through the second communication port 251 and the second inlet 4221; both ends of the guiding passage 26 respectively form the third communicating opening 261 and the liquid outlet 262, and the detergent flowing into the venturi tube 42 is mixed with the water flow, flows out of the venturi tube 42 through the outlet, flows into the guiding passage 26 through the third communicating opening 261, and is finally discharged out of the detergent box 2 through the liquid outlet 262.

Alternatively, referring to fig. 3, a first sealing ring 31 is provided between an end surface of the first inlet 4211 and an end surface of the first communication port 242, whereby sealing between the first inlet 4211 and the first communication port 242 may be achieved to prevent water from leaking therefrom, wherein the first sealing ring 31 may be mounted and fixed on an inner wall of the mounting chamber 22 and around an outer circumference of the first communication port 242. A second sealing ring 32 is provided between an end surface of the second inlet port 4221 and an end surface of the second communication port 251, whereby sealing between the second inlet port 4221 and the second communication port 251 can be achieved to prevent leakage of the detergent therefrom, wherein the second sealing ring 32 can be mounted and fixed on an inner wall of the mounting chamber 22 and around an outer circumference of the second communication port 251. A third seal ring is provided between an end surface of the outlet 4231 and an end surface of the third communication port 261, whereby sealing between the outlet 4231 and the third communication port 261 is achieved, and leakage of the mixed liquid (the mixed liquid includes water and detergent) therefrom can be prevented, wherein the third seal ring can be fitted and fixed to an inner wall of the mounting chamber 22 around the outer periphery of the third communication port 261.

According to some alternative embodiments of the present invention, with reference to fig. 3, the venturi tube 42 comprises: a first pipe section 421, a second pipe section 422 and a third pipe section 423 which are connected in sequence, wherein the flow area of the second pipe section 422 is smaller than the flow area of the first pipe section 421 and smaller than the flow area of the third pipe section 423, a first inlet 4211 is formed in the first pipe section 421, a second inlet 4221 is formed in the second pipe section 422, and an outlet 4231 is formed in the third pipe section 423. The water flow enters the first pipe section 421 through the first inlet 4211 and then flows through the second pipe section 422 and the third pipe section 423 in sequence, because the flow area of the second pipe section 422 is the smallest, a larger negative pressure can be generated during the water flow through the second pipe section 422, so that the detergent in the storage chamber 21 can be better driven to be sucked into the second pipe section 422 and flow to the third pipe section 423 along with the water flow, and the first pipe section 421 and the third pipe section 423 with larger flow areas are connected at the two ends of the second pipe section 422, so that the joint of the venturi tube 42 and the pipeline in the detergent box 2 is convenient, and the liquid flow resistance can be reduced.

According to some embodiments of the present invention, referring to fig. 4-8, the pump assembly 4 is removably disposed within the mounting cavity 22. Thereby, replacement and cleaning maintenance of the pump assembly 4 is facilitated, for example, when the pump assembly 4 needs to be replaced or the pump assembly 4 needs to be cleaned, the pump assembly 4 can be detached from the detergent box 2.

According to some alternative embodiments of the present invention, referring to fig. 4 to 8, the pump assembly 4 is snapped to the detergent box 2. Thus, the pump assembly 4 and the detergent box 2 can be conveniently assembled and disassembled.

Alternatively, referring to fig. 4-8, the pump assembly 4 has a locking protrusion 413 and an elastic buckle 414 disposed oppositely, a locking groove 223 engaged with the locking protrusion 413 is formed on an inner side wall of the mounting cavity 22, a locking hole 231 opened upward is formed in the mounting cavity 22, and the elastic buckle 414 is adapted to be downwardly engaged into the locking hole 231. Therefore, when the pump assembly 4 is mounted in the mounting cavity 22 of the detergent box 2, the clamping protrusion 413 on the pump assembly 4 can be clamped into the clamping groove 223 in the mounting cavity 22, and then the pump assembly 4 is pressed downwards so that the elastic clamping buckle 414 of the pump assembly 4 is inserted into the clamping hole 231 in the mounting cavity 22, so that the pump assembly 4 can be conveniently mounted in the mounting cavity 22 of the detergent box 2; when the pump assembly 4 is removed from the mounting cavity 22 of the detergent box 2, the pump assembly 4 can be conveniently removed by pressing the elastic latch 414 and pushing the pump assembly 4 upward, so that the elastic latch 414 on the pump assembly 4 is disengaged from the latching hole 231 in the mounting cavity 22, and then the latching protrusion 413 on the pump assembly 4 is disengaged from the latching groove 223 in the mounting cavity 22.

Further, with reference to fig. 4-8, the pump assembly 4 includes a cover 41 and a venturi tube 42, the cover 41 defines a receiving space therein, the venturi tube 42 is disposed in the receiving space, a locking protrusion 413 and an elastic locking buckle 414 are formed on the cover 41 and located at two opposite sides of the cover 41, and the cover 41 is adapted to cover the open end of the mounting cavity 22. Therefore, by arranging the pump assembly 4 to include the cover 41 and the venturi tube 42, the arrangement of the clamping protrusion 413 and the elastic buckle 414 is facilitated, and meanwhile, the cover 41 covers the open end of the mounting cavity 22, so that external dust, liquid and the like can be prevented from entering the mounting cavity 22, and the structure of the dispensing device 100 is compact and beautiful after the pump assembly 4 is mounted to the detergent box 2.

For example, in the example of fig. 2 to 5, the spacing protrusions 23 are formed in the mounting cavity 22 of the detergent box 2 to partition the mounting cavity 22 into two sub-mounting cavities 221, and the first, second, and

third communication ports

242, 251, and 261 described above are formed on the inner wall of each sub-mounting cavity 221. The pump assembly 4 includes the above-mentioned cover body 41 and two venturi tubes 42, the two venturi tubes 42 are disposed in the accommodating space of the cover body 41 and are spaced apart from each other, an accommodating groove is defined between the two venturi tubes 42 and the cover body 41, the above-mentioned locking protrusion 413 and the elastic buckle 414 are disposed on the cover body 41, the above-mentioned locking groove 223 is formed on the inner side wall of the mounting cavity 22, and the above-mentioned locking hole 231 is formed on the spacing projection 23. When the pump assembly 4 is mounted in the mounting cavity 22, the two venturi tubes 42 are respectively accommodated in the two sub-mounting cavities 221, and the spacing projections 23 in the mounting cavity 22 are accommodated in the accommodating grooves of the pump assembly 4, so that the pump assembly 4 can be initially positioned, then the clamping protrusions 413 on the pump assembly 4 are clamped in the clamping grooves 223, and the elastic buckles 414 on the pump assembly 4 are downwards inserted into the clamping holes 231, so that the pump assembly 4 can be conveniently and reliably mounted in the mounting cavity 22.

According to some alternative embodiments of the present invention, referring to fig. 3, the pump assembly 4 comprises a cover body 41 and a venturi tube 42, the cover body 41 defining a receiving space therein, the venturi tube 42 being disposed in the receiving space, the cover body 41 being detachably connected to the venturi tube 42, the cover body 41 being adapted to cover the open end of the mounting chamber 22. Thus, by providing the pump assembly 4 as two parts, a cover 41 and a venturi tube 42, which are detachably connected, cleaning of the pump assembly 4, in particular better cleaning and maintenance of the venturi tube 42, is further facilitated. Meanwhile, by covering the open end of the mounting cavity 22 with the cover 41, it is possible to reduce the entry of external dust, liquid, etc. into the mounting cavity 22, and to make the dispensing device 100 compact and beautiful after the pump assembly 4 is mounted to the detergent box 2.

For example, in the example of fig. 3 and 5, the pump assembly 4 includes a cover body 41 and a venturi tube 42, a positioning groove 424 with an open upper end is formed at the top of the venturi tube 42, elastic protrusions 425 are formed at opposite sides of the venturi tube 42, a positioning protrusion 411 is formed on the cover body 41, a positioning hole 412 is formed at opposite sides of the cover body 41, the positioning protrusion 411 on the cover body 41 is fitted into the positioning groove 424 of the venturi tube 42 when the venturi tube 42 is assembled with the cover body 41, and the elastic protrusion 425 on the venturi tube 42 is fitted into the positioning hole 412 on the cover body 41, so that the cover body 41 can be detachably connected with the venturi tube 42.

According to some alternative embodiments of the present invention, referring to fig. 3, the inner side wall of the mounting chamber 22 is formed with a first guide surface 222, the first guide surface 222 extends obliquely in a direction from the bottom wall of the mounting chamber 22 to the open end of the mounting chamber 22, in a direction away from the center of the mounting chamber 22, and the pump assembly 4 has a second guide surface 426 engaged with the first guide surface 222. Therefore, by forming the inner side wall of the mounting cavity 22 as the first guide surface 222 and forming the pump assembly 4 as the second guide surface 426 matching with the first guide surface 222, when the pump assembly 4 is disassembled and assembled, the pump assembly 4 can be conveniently mounted in the mounting cavity 22 and the pump assembly 4 can be conveniently taken out of the mounting cavity 22 under the guiding action of the first guide surface 222.

Alternatively, referring to fig. 3, the pump assembly 4 has a locking protrusion 413 and an elastic buckle 414 which are oppositely arranged, a locking groove 223 which is matched with the locking protrusion 413 is formed on the inner side wall of the mounting cavity 22, a locking hole 231 which is opened upwards is formed in the mounting cavity 22, and the elastic buckle 414 is suitable for being downwards matched into the locking hole 231, wherein the locking hole 231 is adjacent to the first guide surface 222. Therefore, by arranging the clamping hole 231 adjacent to the first guide surface 222, when the pump assembly 4 is detached from the mounting cavity 22, the pump assembly 4 can be pushed upwards, and at this time, under the guiding action of the first guide surface 222, the elastic buckle 414 can be conveniently separated from the clamping hole 231, so that the pump assembly 4 can be taken out more conveniently and more conveniently.

For example, in the example of fig. 3, the pump assembly 4 includes a venturi tube 42, the venturi tube 42 has a first inlet 4211, a second inlet 4221 and an outlet 4231, the detergent box 2 has a water inlet 241, a first communication port 242, a second communication port 251 and a third communication port 261 are formed on an inner wall of the mounting chamber 22, the first communication port 242 communicates with the water inlet 241, the first inlet 4211 opposes and communicates with the first communication port 242, the second communication port 251 communicates with the storage chamber 21, the second inlet 4221 opposes and communicates with the second communication port 251, the third communication port 261 communicates with the liquid outlet 262, the outlet 4231 opposes and communicates with the third communication port 261, the third communication port 261 is formed on the first guide surface 222, and the outlet 4231 is formed on the second guide surface 426. From this, through the guide effect of first spigot surface 222, made things convenient for the dismouting of pump package spare 4, also can guarantee simultaneously that better laminating between the terminal surface of third intercommunication mouth 261 and the terminal surface of export 4231 prevents the weeping.

According to some alternative embodiments of the present invention, the pump assembly 4 is integrally formed with the detergent box 2. Thereby, the production process of the dosing device 100 may be simplified and a high connection strength between the pump assembly 4 and the detergent box 2 may be achieved.

According to some alternative embodiments of the present invention, referring to fig. 1-3, the delivery device 100 further comprises: the outer box 1, the detergent box 2 can be arranged in the outer box 1 in a pulling or detachable way, the liquid outlet 262 is communicated with the inner cavity 11 of the outer box 1, and the outer box 1 is provided with an outlet communicated with the inner cavity 11 of the outer box 1. The mixed liquid discharged from the liquid outlet 262 flows into the inner cavity 11 of the outer box 1, and then is discharged into the washing chamber of the washing machine through the discharge port of the outer box 1. The detergent box 2 is drawably or detachably arranged in the outer box 1, so that the detergent is conveniently added. For example, when the detergent box 2 is provided in the outer box 1 in a drawable manner, the detergent can be conveniently added by drawing the detergent box 2; the detergent box 2 is detachably arranged in the outer box 1, and the detergent box 2 is detached, so that the addition of detergent is facilitated, and the cleaning, the replacement and the like of the detergent box 2 are facilitated.

Moreover, since the pump assembly 4 is installed in the detergent box 2, when the pump assembly 4 is detachably installed in the installation cavity 22 of the detergent box 2 and the detergent box 2 is pulled out of the outer box 1, the pump assembly 4 moves out of the outer box 1 along with the detergent box 2, thereby facilitating the assembly and disassembly operations of the pump assembly 4; the pump assembly 4 is also easily removed from the detergent box 2 when the detergent box 2 is removed from the outer box 1.

For example, in the example of fig. 1 and 2, the dispensing device 100 includes the above-mentioned outer box 1, a detergent box 2 and a pump assembly 4, the pump assembly 4 includes the above-mentioned venturi tube 42, the detergent box 2 has a water inlet channel 24, a detergent channel 25 and a guiding channel 26 therein, the outer box 1 has a water inlet pipe 12 formed thereon, wherein a portion of the water inlet pipe 12 extends into the water inlet channel 24, and water can flow into the water inlet channel 24 from the water inlet pipe 12.

A washing machine according to an embodiment of a second aspect of the present invention includes: the dispensing device 100 of the washing machine according to the above-described first aspect of the present invention.

According to the washing machine of the embodiment of the invention, the detergent putting device 100 is arranged, so that the reliability of the detergent putting work of the washing machine can be improved, and the putting device 100 has a compact overall structure, so that the internal space of the washing machine occupied by the putting device 100 can be reduced.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A dispensing device for a washing machine, comprising:

the detergent box is internally provided with a storage cavity and an installation cavity, the storage cavity is used for storing detergent, and the detergent box is provided with a liquid outlet;

the pump assembly is arranged in the mounting cavity and used for conveying the detergent in the storage cavity to the liquid outlet.

2. A dosing device for a washing machine as claimed in claim 1, characterized in that said mounting chamber is located directly above said storage chamber.

3. A dosing device for a washing machine as claimed in claim 1, characterized in that the pump assembly comprises a venturi tube having a first inlet adapted to communicate with the water inlet, a second inlet adapted to communicate with the storage chamber and an outlet adapted to communicate with the liquid outlet, the venturi tube having a water inlet, the first inlet and the second inlet, respectively.

4. A putting device for a washing machine as claimed in claim 3, characterized in that a first communicating opening, a second communicating opening and a third communicating opening are formed on the inner wall of the mounting chamber, the first communicating opening is communicated with the water inlet, the first inlet is opposite to and communicated with the first communicating opening, the second communicating opening is communicated with the storage chamber, the second inlet is opposite to and communicated with the second communicating opening, the third communicating opening is communicated with the liquid outlet, and the outlet is opposite to and communicated with the third communicating opening.

5. A putting device of a washing machine as claimed in claim 4, characterized in that a first sealing ring is arranged between the end surface of the first inlet and the end surface of the first communication port, a second sealing ring is arranged between the end surface of the second inlet and the end surface of the second communication port, and a third sealing ring is arranged between the end surface of the outlet and the end surface of the third communication port.

6. A dosing device for a washing machine as claimed in claim 3, characterized in that said venturi tube comprises: the pipeline comprises a first pipeline section, a second pipeline section and a third pipeline section which are sequentially connected, wherein the flow area of the second pipeline section is smaller than that of the first pipeline section and smaller than that of the third pipeline section, a first inlet is formed in the first pipeline section, a second inlet is formed in the second pipeline section, and an outlet is formed in the third pipeline section.

7. A dosing device for a washing machine as claimed in claim 1, characterized in that the pump assembly is detachably arranged in the mounting chamber.

8. The dispensing device of a washing machine as claimed in claim 1, wherein the pump assembly is integrally formed with the detergent box.

9. The dispensing device of a washing machine as claimed in any one of claims 1 to 8, further comprising: the outer box is provided with a discharge port communicated with the inner cavity of the outer box, and the detergent box can be pulled or detachably arranged in the outer box.

10. A washing machine, characterized by comprising: dosing device of a washing machine according to any of claims 1-9.