CN108930143B

CN108930143B - Washing machine and detergent putting device thereof

Info

Publication number: CN108930143B
Application number: CN201710393039.8A
Authority: CN
Inventors: 张夏阳; 管学伟; 宁昊; 葛艳红; 耿靖华; 严书林
Original assignee: Wuxi Little Swan Electric Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2017-05-27
Filing date: 2017-05-27
Publication date: 2020-10-23
Anticipated expiration: 2037-05-27
Also published as: CN108930143A

Abstract

The invention relates to the field of household appliances, and discloses a washing machine and a detergent feeding device thereof, wherein the detergent feeding device comprises a driving part (10), a plurality of operating parts (20) and a plurality of feeding parts (30) which are corresponding to the operating parts (20) one by one and used for feeding detergent, and the driving part (10) can be selectively jointed with at least one of the operating parts (20) to drive the jointed operating part (20), so that the operating part (20) can carry out the operation of feeding the detergent on the corresponding feeding part (30). The detergent putting device can select the required detergent for cleaning according to the material of clothes.

Description

Washing machine and detergent putting device thereof

Technical Field

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

Background

The detergent putting device of the washing machine is used for automatically adding detergent into the washing machine during washing. With the improvement of the quality of life, different detergents are needed to clean clothes made of different materials, and therefore, the requirements of users for cleaning different clothes with different detergents need to be met.

Disclosure of Invention

The invention aims to overcome the problem that different detergents are used for cleaning different clothes in the prior art, and provides a detergent putting device of a washing machine.

In order to achieve the above object, an aspect of the present invention provides a detergent dispensing device for a washing machine, wherein the detergent dispensing device includes a driving part, a plurality of operation parts, and a plurality of dispensing parts for dispensing detergent, corresponding to the plurality of operation parts, one for one, and the driving part is selectively engageable with at least one of the plurality of operation parts to drive the engaged operation part, so that the operation part can perform an operation of dispensing detergent to the corresponding dispensing part.

Preferably, the dispensing portion includes a pressing pump mechanism, and the operating portion performs the dispensing operation by pressing the pressing pump mechanism.

Preferably, the driving part includes a driving gear and a plurality of driven gears disposed around the driving gear, the plurality of driven gears correspond to the plurality of operating parts one to one, each of the driven gears is selectively engaged with the corresponding operating part, and the operating part includes a cam.

Preferably, the driven gear is provided with an axially extending portion, one of the axially extending portion and the cam is provided with an engaging pin, and the other is provided with an engaging hole, the engaging pin being provided so as to be able to pop up or fall down axially with respect to the engaging hole.

Preferably, the engagement pin is an electromagnetic pin.

Preferably, the pressing pump mechanism comprises a pressing head, a cavity with a first port and a second port, a first one-way valve arranged at the first port and allowing detergent to be discharged from the cavity through the first port, a second one-way valve arranged at the second port and allowing the cavity to input detergent through the second port, and an elastic resetting piece for resetting the pressing head, wherein the pressing head can be pressed by the operating part, a part of the pressing head hermetically extends into the first port and is connected to the elastic resetting piece, an inner cavity of the pressing head is communicated with the cavity, and a liquid outlet pipe communicated with the inner cavity is arranged on the pressing head.

Preferably, each of the putting parts includes a detergent storage box, and the putting part includes a suction pipe communicating the detergent storage box with the second port.

Preferably, the detergent dispensing device includes a dispensing box, the operating unit and the pressing pump mechanism are mounted to the dispensing box, and the dispensing box has a dispensing opening communicating with the drain pipe.

The invention also provides a washing machine, wherein the washing machine comprises the detergent putting device.

Preferably, the washing machine includes a control device for controlling the operation of the driving part and for controlling the engagement of the operating part with the driving part.

Through above-mentioned technical scheme, as required, can drive the operating part that corresponds with the input portion of input required detergent through the drive division to put in the operation to corresponding input portion implementation, thereby can put in required detergent and wash. The detergent putting device can select the required detergent for cleaning according to the material of clothes.

Drawings

FIG. 1 is a plan view illustrating one embodiment of a washing machine of the present invention;

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

FIG. 3 is a view of FIG. 1 with a top blanking member, such as a door cover, removed;

FIG. 4 is a perspective view of the detergent dispensing device of FIG. 3;

fig. 5 is a schematic diagram of one embodiment of the detergent dispensing device of the present invention.

Description of the reference numerals

10-driving part, 11-driving gear, 12-driven gear, 121-axial extension part, 13-motor, 20-operating part, 21-cam, 22-joint pin, 30-throwing part, 31-pressing pump mechanism, 311-pressure head, 312-cavity, 313-first one-way valve, 314-second one-way valve, 315-elastic reset piece, 316-liquid outlet pipe, 32-detergent storage box, 33-suction pipe, 40-throwing box, 50-control panel and 60-door cover.

Detailed Description

In the present invention, the use of directional terms such as "upper, lower, left, right" generally means upper, lower, left, right as viewed with reference to the accompanying drawings, unless otherwise specified; "inner and outer" refer to the inner and outer relative to the profile of the components themselves.

According to an aspect of the present invention, there is provided a detergent dispensing device for a washing machine, wherein the detergent dispensing device includes a driving part 10, a plurality of operation parts 20, and a plurality of dispensing parts 30 for dispensing detergent, corresponding to the plurality of operation parts 20, one for one, and the driving part 10 is selectively engageable with at least one of the plurality of operation parts 20 to drive the engaged operation part 20, so that the operation part 20 can perform a detergent dispensing operation on the corresponding dispensing part 30.

With the detergent dispenser of the present invention, the operation unit 20 corresponding to the dispensing unit 30 for dispensing a desired detergent can be driven by the driving unit 10 as necessary to perform a dispensing operation on the corresponding dispensing unit 30, so that the desired detergent can be dispensed and washed. The detergent putting device can select the required detergent for cleaning according to the material of clothes.

Specifically, different dispensing units 30 may be used to dispense different types of detergents, and the driving unit 10 may be engaged with one or more operation units 20 as necessary to dispense the detergents of the dispensing units 30 corresponding to the engaged operation units 20 individually or simultaneously.

The throwing operation of the throwing unit 30 may be performed in a corresponding manner according to the specific form of the throwing unit 30. For convenience of operation, the dispensing unit 30 preferably includes a pressing pump mechanism 31, and the operating unit 20 performs the dispensing operation by pressing the pressing pump mechanism 31.

In the present invention, the pressing force may be applied to the pressing pump mechanism 31 in various suitable manners to perform the dispensing operation. Preferably, as shown in fig. 4, the driving part 10 includes a driving gear 11 and a plurality of driven gears 12 disposed around the driving gear 11, the plurality of driven gears 12 correspond to the plurality of operating parts 20 one by one, each of the driven gears 12 is selectively engaged with the corresponding operating part 20, and the operating part 20 includes a cam 21. Thereby, the drive gear 11 rotates the driven gear 12, and in turn, the cam 21 in the corresponding engaged state can be rotated by the driven gear 12, so that the pressing pump mechanism 31 is provided with the pressing force by being in contact with the pressing pump mechanism 13 when the cam 21 is rotated to the predetermined position, and the dropping operation is not performed when the cam is rotated to be out of contact with the pressing pump mechanism 13, so that the dropping can be performed intermittently with the period of the cam 21. With the present preferred embodiment, each driven gear 12 can be selectively operated by the respective corresponding cam 21 without affecting the operation of the other driven gears 12 by the corresponding cams 21.

Wherein the selective engagement of the driven gear 12 with the operating portion 20 can be achieved in various suitable manners. For the convenience of operation, it is preferable that the driven gear 12 is provided with an axially extending portion 121, one of the axially extending portion 121 and the cam 21 is provided with an engaging pin 22, and the other is provided with an engaging hole, and the engaging pin 22 is provided to be able to bounce or fall axially with respect to the engaging hole. Thus, when the engaging pin 22 is sprung, the engaging pin 22 is engaged with the engaging hole, so that the driven gear 12 can rotate the operating portion 20 for the throwing operation; when the engaging pin 22 is screwed, the engaging pin 22 is separated from the engaging hole, and the driven gear 12 cannot rotate the corresponding operating portion 20 and cannot perform the releasing operation by the corresponding operating portion 20, but the releasing operation is performed without affecting the driven gear 12 engaged with the other operating portion 20 to rotate the other operating portion 20.

In addition, for structural stability, the cam 21 is preferably hinged to a fixed base to obtain a secure mounting and rotational accuracy. The engagement pin 22 is therefore preferably provided on the cam 21, so as to simultaneously serve to hinge the cam 21 to the fixed base.

The engagement pin 22 may be sprung and fallen in a variety of suitable ways, such as by a trigger to actuate movement of the engagement pin 22. Preferably, the engagement pin 22 is an electromagnetic pin for the sake of control and simplification of the structure. Thus, the engaging pin 22 can be controlled by an appropriate electric control element (e.g., a control device hereinafter) to be sprung and fallen.

In the present invention, the pressing pump mechanism 31 may be of any appropriate type as long as the detergent can be pumped and put by pressing the operation unit 20. For example, the pump mechanism 31 may be in the form of a pump similar to a hand sanitizer pump. Specifically, as shown in fig. 5 (for convenience of explanation, fig. 5 is a schematic diagram, only an example having two cams 21 is taken, and the driving part 10 is simplified, and only a circle is shown), the pressing pump mechanism 31 includes a pressing head 311, a cavity 312 having a first port and a second port, a first check valve 313 provided at the first port and allowing the detergent to be discharged from the cavity 312 through the first port, a second check valve 314 provided at the second port and allowing the cavity 312 to be input with the detergent through the second port, and an elastic restoring member 315 for restoring the pressing head 311, the pressing head 311 can be pressed by the operating part 20, a portion of the pressing head 311 is hermetically inserted into the first port and connected to the elastic restoring member 315, the inner cavity of the pressure head 311 is communicated with the cavity 312, and the pressure head 311 is provided with a liquid outlet pipe 316 communicated with the cavity 312. Thus, as shown in fig. 5, when the operating portion 20 presses on the pressing head 311, the pressing head 311 moves towards the direction of extending into the first port, so that the total volume of the inner cavity of the pressing head 311 and the cavity 312 becomes smaller, the first one-way valve 313 opens, and the detergent therein is discharged from the first port through the liquid outlet pipe 316 under pressure, so as to achieve the dispensing; when the operating part 20 leaves the pressure head 311, the pressure head 311 moves in the opposite direction under the action of the elastic restoring member 315 (e.g. a spring), so that the total volume of the inner cavity of the pressure head 311 and the cavity 312 becomes larger, and the second one-way valve 314 opens, so that the external detergent enters the cavity 312 through the second port under the action of the atmospheric pressure to supplement the detergent which is reduced when being dosed.

In addition, in order to provide the supplementary detergent, each of the putting parts 30 includes a detergent storage box 32, and the putting part 30 includes a suction pipe 33 communicating the detergent storage box 32 with the second port. It is understood that the detergent storage box 32 has a fluid replenishment port so that the detergent storage box 32 can be replenished with detergent from the outside through the fluid replenishment port from the user.

Further, the detergent dispenser includes a dispenser box 40, and the dispenser box 40 has a dispenser opening communicating with the liquid outlet pipe 316, so that the detergent dispensed from different dispenser units 30 can be dispensed from the same dispenser position. The operation unit 20 and the pressing pump mechanism 31 may be attached to the dispenser box 40, and the dispenser box 40 may be used as a base for attaching these components. Specifically, as shown in fig. 4, the cam 21 may be hinged to the drop box 40, and the pressing head 311 may be exposed to the outside of the drop box 40 to press, and the other parts of the pressing pump mechanism 31 are disposed inside the drop box 40 except for a part of the detergent storage box 32 and the suction pipe 33. In addition, for the convenience of arrangement, as shown in fig. 2, the input box 40 may be formed in a long bar shape and disposed at a widthwise central position of the top of the washing machine, and the detergent storage boxes 32 may be disposed at both sides of the input box 40, respectively.

According to another aspect of the present invention, there is provided a washing machine, wherein the washing machine comprises the detergent dispensing device of the present invention. Therefore, the washing machine can be used for independently or simultaneously feeding different detergents according to the requirements.

Preferably, the washing machine includes a control device for controlling the operation of the driving part 10 and for controlling the engagement of the operating part 20 with the driving part 10. Specifically, the operation of the driving part 10 may be controlled by the control device to perform the dispensing according to the need, and at the same time, the control device selects the proper operation part 20 to engage with the driving part 10 to dispense the required detergent according to the need. As shown in fig. 1 and 2, the control device may include a control panel 50 disposed at the top of the washing machine, and by selecting a corresponding key on the control panel 50, the driving part 10 may be activated and the corresponding operating part 20 may be engaged with the driving part 10, so that a desired detergent may be dispensed. As shown in fig. 1 to 3, the control panel 50 may be disposed at a front side of a top of the washing machine, other parts of the top of the washing machine may be covered by a door 60, and the detergent dispensing device may be disposed below the door 60 and at a rear side of the top of the washing machine.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention. The invention includes the combination of the individual features in any suitable manner. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. A detergent dispensing device for a washing machine, comprising a driving part (10), a plurality of operating parts (20), and a plurality of dispensing parts (30) corresponding to the plurality of operating parts (20) one by one for dispensing detergent, wherein the driving part (10) is selectively engageable with at least one of the plurality of operating parts (20) to drive the engaged operating part (20) such that the operating part (20) can perform a detergent dispensing operation on the corresponding dispensing part (30), the driving part (10) comprises a driving gear (11) and a plurality of driven gears (12) provided around the driving gear (11), the plurality of driven gears (12) correspond to the plurality of operating parts (20) one by one, each driven gear (12) is selectively engageable with the corresponding operating part (20), the operating portion (20) includes a cam (21).

2. The detergent dispensing device of a washing machine according to claim 1, wherein the dispensing portion (30) includes a pressing pump mechanism (31), and the operation portion (20) performs the dispensing operation by pressing the pressing pump mechanism (31).

3. Detergent dispensing device for a washing machine as claimed in claim 2, characterized in that said driven gear (12) is provided with an axial extension (121), one of said axial extension (121) and said cam (21) being provided with an engagement pin (22), the other being provided with an engagement hole, said engagement pin (22) being arranged to be able to bounce or fall axially with respect to said engagement hole.

4. Detergent delivery device for a washing machine as claimed in claim 3, characterized in that said engagement pin (22) is an electromagnetic pin.

5. The detergent dispensing device of a washing machine according to any one of claims 2-4, wherein the pressing pump mechanism (31) includes a pressing head (311), a chamber (312) having a first port and a second port, a first check valve (313) provided at the first port and allowing detergent to be discharged from the chamber (312) through the first port, a second check valve (314) provided at the second port and allowing the chamber (312) to be supplied with detergent through the second port, and an elastic restoring member (315) for restoring the pressing head (311), the pressing head (311) being capable of being pressed by the operating part (20), a portion of the pressing head (311) sealingly protruding into the first port and being connected to the elastic restoring member (315), an inner cavity of the pressing head (311) communicating with the chamber (312), and a liquid outlet pipe (316) communicated with the inner cavity is arranged on the pressure head (311).

6. Detergent dispensing device for a washing machine as claimed in claim 5, characterized in that each of said dispensing portions (30) comprises a detergent storage box (32), said dispensing portion (30) comprising a suction pipe (33) communicating said detergent storage box (32) with said second port.

7. The detergent dispensing device of a washing machine according to claim 5, characterized in that the detergent dispensing device comprises a dispensing box (40), the operating portion (20) and the pressing pump mechanism (31) are mounted to the dispensing box (40), and the dispensing box (40) has a dispensing opening communicating with the drain pipe (316).

8. A washing machine, characterized in that it comprises a detergent delivery device according to any one of claims 1 to 7.

9. Washing machine, according to claim 8, characterized in that it comprises control means for controlling the operation of said driving portion (10) and for controlling the engagement of said operating portion (20) with said driving portion (10).