CN108193442B

CN108193442B - Detergent feeding device and washing machine

Info

Publication number: CN108193442B
Application number: CN201810122186.6A
Authority: CN
Inventors: 应文; 孔超; 陈祥虎; 吴侠儒
Original assignee: Nanjing Zhongjingke Electronic Technology Co ltd
Current assignee: Nanjing zhongjingke Intelligent Technology Co.,Ltd.
Priority date: 2018-02-07
Filing date: 2018-02-07
Publication date: 2021-01-15
Anticipated expiration: 2038-02-07
Also published as: CN108193442A

Abstract

The invention relates to the technical field of washing devices. The invention discloses a detergent putting device, which comprises an outer box; an inner case capable of being pushed in and pulled out of the outer case; and the liquid pump is used for pumping the liquid in the inner box into the outer box, and a shell of the liquid pump and the inner box are of an integrated structure. The invention also discloses a washing machine which comprises the detergent feeding device. The invention integrates the shell and the inner box of the liquid pump, thereby saving the time required by assembly, reducing parts and lowering the material cost. This washing machine can realize cleaner use, reduces the risk that mould breeds, has improved the input precision moreover for the washing process is more safe and reliable.

Description

Detergent feeding device and washing machine

Technical Field

The invention relates to the technical field of washing devices, in particular to a detergent feeding device and a washing machine with the same.

Background

At present, automatic dispensing devices for adding detergent are generally adopted in other automatic products such as full-automatic washing machines, dish washing machines and the like. The existing automatic throwing device is mostly arranged into a push-pull type and is provided with a fixed outer box, an inner box which can be pushed and pulled in the outer box and a liquid pump which is arranged on the outer side wall of the inner box. When the user adds the detergent to interior box, pull out interior box from outer box, when the detergent is put in the device and is carried out putting in of detergent, will interior box impel outer box in, make the inlet of interior box and the inlet of drawing liquid pump be linked together, utilize the drawing liquid pump in with the detergent pump in the box outer box upper cover, accomplish the liquid mixture of detergent and water in outer box upper cover, flow to in washing machine or the dish washer again.

The existing automatic detergent feeding device has certain defects, which are as follows: on the outer box of drawing liquid pump installation, drawing liquid pump inlet is connected with interior box, and the drawing liquid pump and interior box plug are all needed once to add laundry detergent or softener each time, have the risk of sealing failure weeping after the plug repeatedly many times, so require higher to the reliability of the seal structure of junction, the cost also increases thereupon simultaneously. The secondary defects are as follows: most of the automatic throwing devices of the existing washing machines pump and discharge the laundry detergent into an upper cover of an outer box through a liquid pump, and throw the laundry detergent into a barrel after being mixed with inlet water, so that the laundry detergent is inevitably contacted with household water, and when the washing machines are in failure or stop water and other reasons cause the laundry detergent to flow back into a household water pipeline, the health of human bodies is finally damaged.

Therefore, it is necessary to provide a detergent dispensing device and a washing machine to solve the problem of the conventional detergent dispensing device that the liquid pump and the laundry detergent are repeatedly inserted and pulled out.

Disclosure of Invention

The invention aims to provide a detergent feeding device and a washing machine, which can solve the problem that an infusion pump and laundry detergent are left after being repeatedly plugged and pulled in the existing detergent feeding device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a detergent putting device comprises an outer box; an inner case capable of being pushed in and pulled out of the outer case; and the liquid pump is used for pumping the liquid in the inner box into the outer box, and a shell of the liquid pump and the inner box are of an integrated structure.

Preferably, the detergent dispensing device further comprises a driving unit disposed outside the outer box for driving the rotor of the liquid pump to rotate; and the input end of the clutch unit is connected to the output end of the driving unit, the output end of the clutch unit acts on the rotating shaft of the rotor, and the clutch unit is used for separating or connecting the driving unit and the rotating shaft of the rotor.

A clutch unit is arranged between the driving unit and the rotating shaft of the rotor of the liquid pump, and when a user pulls the inner box out of the outer box, the driving unit is separated from the rotating shaft of the rotor; when a user pushes the inner box into the outer box, the clutch unit can be connected with the rotating shaft of the driving unit and the rotor, so that physical friction and damage caused by direct connection of the driving unit and the rotating shaft of the rotor are prevented, the rotating shaft can run stably and cannot be clamped. Meanwhile, the invention avoids the repeated insertion and extraction of the liquid inlet and the inner box of the liquid pump.

Preferably, the inner box is provided with two liquid storage cavities, and the liquid pump is arranged in each liquid storage cavity. Set up two stock solution chambeies, more can adapt to present stage domestic appliance like the diversification of washing machine, laundry liquid etc. can be placed to a stock solution chamber, and softener etc. can be placed to another stock solution chamber.

Preferably, the detergent dispensing device further comprises two ratchet wheels, the two ratchet wheels comprise external gears, the external gears of the two ratchet wheels are meshed with each other, and the output end of the clutch unit is connected to one of the ratchet wheels; internal teeth; a pawl disposed within the internal teeth, a portion of a surface of the pawl mating with the internal teeth; the rotating shafts of the rotors of the two liquid pumps are connected with pinions, and part of surfaces of the pawls can stir the pinions to rotate.

Because the detergent feeding device is provided with two liquid storage cavities, two liquid pumps are needed to pump out the liquid in the liquid storage cavities. If two motors are designed to be connected to two liquid pumps respectively, unnecessary waste and space occupation can be caused. To avoid this drawback, the arrangement employs a single motor and a series of transmission systems to transmit the power from the motor output shaft to the two pumps. The outer gear is arranged on the periphery of the ratchet wheel and rotates as a driving part, the inner teeth are arranged inside the ratchet wheel, one end of the pawl can move along with the inner teeth, and the other end of the pawl moves. When the output end is rotated in one direction, the pawl can be engaged with the pinion gear if the pawl can abut against the internal teeth and act on the internal teeth. When the output end rotates in the other direction, if the pawl can not act on the internal teeth, the pawl is equivalent to slipping or idling in the internal teeth and can not be meshed with the pinion.

For example, if the motor is operated in the forward direction, the pawl close to the motor can be meshed with the inner teeth, the pinion is stirred to rotate, so that the rotor of the liquid pump close to one side of the motor moves, the ratchet wheel far away from the motor can be operated in the reverse direction, the pawl far away from the motor cannot be meshed with the inner teeth, and the rotor of the liquid pump far away from one side of the motor cannot move; and vice versa. Thereby ensuring that the two liquid pumps do not work simultaneously.

Preferably, the ratchet is disposed between the outer case and the inner case. The arrangement saves the space outside the outer box; in addition, the outer box can play a role in protecting the ratchet wheel.

Preferably, the clutch unit is disposed between the outer case and the inner case. The arrangement saves the space outside the outer box; in addition, the outer box can play a role in protecting the clutch unit.

Preferably, still be provided with the liquid mixing district in the outer box, the liquid outlet of drawing liquid pump with the direct intercommunication in liquid mixing district, outer box is provided with the water inlet above liquid mixing district, and the drawing liquid pump directly takes out the liquid mixing district with the laundry liquid from interior box stock solution chamber like this, directly throws in the bucket after mixing with water, need not outer box upper cover and mixes. Set up in the external case inferior valve body and mix the liquid district, compare in the traditional mode of mixing liquid in outer box upper cover, safe environmental protection, convenient washing more have reduced mycotic breeding, also avoid the contact of laundry detergent with the domestic water simultaneously.

Preferably, the housing of the infusion pump is integrally formed with the side wall of the inner case.

The arrangement ensures that the side walls of the outer shell and the inner box share the same surface, saves materials for multiple processing and reduces the cost.

The invention also provides a washing machine which comprises the detergent feeding device.

The detergent feeding device and the washing machine have the beneficial effects that:

1. the shell of the liquid pump and the inner box are integrated, and the liquid pump, the inner box or the outer box do not need to be assembled through fasteners and sealing pieces under the condition of not increasing the processing difficulty, so that the time required by assembly is saved, and the material cost and the labor cost are reduced;

2. the arrangement of the clutch unit ensures that the rotor rotating shaft of the liquid pump can be engaged with or separated from the driving unit for multiple times without influencing the transmission precision, thereby not influencing the throwing precision of the liquid pump;

3. the liquid mixing area is located in the outer box, so that the liquid mixing area is easier to clean, the risk that liquid in the liquid mixing area flows back to the liquid storage cavity of the inner box is avoided, the contact between the laundry detergent and household water is also avoided, and the liquid mixing area is safer and more environment-friendly.

4. Can realize cleaner domestic appliance like washing machine's use, reduce the risk that mould breeds, improve the precision of puting in moreover for the washing process is safe and reliable more.

Drawings

FIG. 1 is a first schematic structural diagram of a detergent dispensing device according to the present invention;

FIG. 2 is a second schematic structural view of the detergent dispensing device according to the present invention;

FIG. 3 is a schematic view of an outer box of the present invention;

FIG. 4 is a top view of the detergent dispensing device of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic view of the upper lid of the inner case of the present invention;

FIG. 7 is a front view of the upper lid of the inner case of the present invention;

FIG. 8 is a schematic view of the upper lid of the inner case of the present invention (including the ratchet wheel);

FIG. 9 is a side view of the upper lid of the inner case of the present invention (including the ratchet);

FIG. 10 is a schematic view of the ratchet engagement of the present invention;

FIG. 11 is a front view of an outer box of the present invention.

In the figure:

1. an outer box; 11. a first receptacle portion; 12. a second receptacle portion; 13. a water inlet; 14. a water outlet; 2. an inner case; 3. a liquid pump; 31. a housing; 32. a pinion gear; 4. a ratchet wheel; 41. an outer gear; 42. internal teeth; 43. a pawl.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1, the present embodiment discloses a detergent dispensing device, which includes an outer box 1 and an inner box 2, wherein the inner box 2 is disposed inside the outer box 1 and can be pushed and pulled along the inner wall of the outer box 1. As shown in FIG. 2, the inner case 2 is drawn out from the outer case 1. Referring to fig. 3, a first accommodating portion 11 and a second accommodating portion 12 are disposed in the outer box 1 along the pushing and pulling direction of the inner box 2, the first accommodating portion 11 is used for accommodating the inner box 2, and the second accommodating portion 12 is used for accommodating some transmission components, so that on one hand, the space outside the outer box 1 can be saved, and on the other hand, the dust-proof function can be achieved.

Referring to fig. 4 and 5, the detergent dispensing device further includes a liquid pump 3 disposed in the inner case 2. The shell 31 of the liquid pump 3 and the inner box 2 are of an integral structure and are obtained by a drawing process. The detergent putting device further comprises a driving unit (not shown in the figure) and a clutch unit (not shown in the figure), wherein the driving unit is arranged outside the outer box 1 and is used for driving a rotor of the liquid pump 3 to rotate; the input end of the clutch unit is connected with the output end of the driving unit, the output end of the clutch unit can directly or indirectly act on the rotating shaft of the rotor, and the clutch unit is used for separating or connecting the driving unit and the rotating shaft of the rotor. A clutch unit is arranged between the driving unit and the rotating shaft of the rotor of the liquid pump 3, and when a user pulls the inner box 2 out of the outer box 1, the driving unit can be separated from the rotating shaft of the rotor; when a user pushes the inner case 2 into the outer case 1, the clutch unit can engage the rotation shafts of the driving unit and the rotor, thereby preventing physical friction and damage caused by direct engagement of the driving unit and the rotation shafts of the rotor, or the rotation shafts can also run smoothly without being stuck.

Interior box 2 can be divided into upper cover and lower cover in this embodiment, and the lower cover of interior box 2 has two stock solution chambeies, and laundry liquid etc. can be placed to a stock solution chamber, and softener etc. can be placed to another stock solution chamber, can adapt to present stage domestic appliance's diversification from this. Referring to fig. 6 and 7, a liquid pump 3 is disposed in each liquid storage cavity, and a housing 31 of the liquid pump 3 is integrally formed with a side wall of the upper cover of the inner box 2, so that two housings 31 of the liquid pumps 3 are disposed at one side wall of the upper cover of the inner box 2.

Since the two liquid pumps 3 are disposed in the inner box 2, and there is no relationship between the rotors of the two liquid pumps 3, two driving units can be used to drive the rotors to rotate respectively, but the arrangement is complicated and the cost is increased. For this purpose, referring to fig. 8 and 9, the present embodiment preferably connects the rotors of both of the two pumping pumps 3 with the pinion 32, adds two ratchet wheels 4 in the dispensing device, the two ratchet wheels 4 comprise external gears 41, the external gears 41 of the two ratchet wheels 4 are meshed with each other, and the output end of the clutch unit is connected to one of the ratchet wheels 4. Referring to fig. 10, each ratchet wheel 4 has an inner circular surface coaxial with the ratchet wheel 4, the inner circular surface is provided with inner teeth 42, the inner teeth 42 are provided with pawls 43, and the thickness of the pawls 43 is larger than that of the inner circular surface. Thus, a part of the surface of the pawl 43 is engaged with the internal teeth 42, another part of the surface of the pawl 43 can dial the pinion 32 to rotate, and the pawl 43 is engaged with the internal teeth 42 and can dial the pinion 32 to rotate.

In this embodiment, the output end of the clutch unit is connected to the ratchet wheel 4 on the right side, when the output end of the clutch unit rotates clockwise, because the internal teeth 42 on the right side and the pawl 43 cannot be matched, a slip phenomenon occurs between the two, the pawl 43 cannot be driven by the internal teeth 42 to rotate, so the pawl 43 cannot stir the pinion 32 on the right side to operate, and then the liquid pump 3 on the right side does not work. Since the two ratchet wheels 4 are engaged, the right ratchet wheel 4 rotates clockwise, and the left ratchet wheel 4 rotates counterclockwise, so that the pawl 43 rotates under the drive of the internal teeth 42. Thus, the left pinion 32 is operated, and the left liquid pump 3 starts operating. Conversely, when the output of the clutch unit is rotated counterclockwise, the right-hand pump 3 is operated and the left-hand pump is not operated. This realizes that the one-side liquid pump 3 is operated and the one-side liquid pump 3 is not operated.

Both the ratchet 4 and the clutch unit are disposed between the outer case 1 and the inner case 2, and in particular, both may be disposed in the second accommodating portion 12 in the present embodiment. The ratchet wheel 4 and the clutch unit are arranged in the second accommodating part 12, so that the space outside the outer box 1 is saved; in addition, the outer box 1 can protect the ratchet 4 and the clutch unit.

Since the outer box is easy to clean, a liquid mixing area is arranged in the outer box 1, as shown in fig. 11, a liquid outlet of the liquid pump 3 is communicated with a liquid inlet of the liquid mixing area, a water inlet 13 is arranged on the liquid mixing area, and a water outlet 14 is arranged at the lower part of the liquid mixing area. The liquid outlet and the liquid mixing district of drawing liquid pump 3 directly communicate, and outer box 1 is provided with water inlet 13 above the liquid mixing district, and drawing liquid pump 3 directly takes out the liquid storage chamber of box 2 with the laundry liquid like this and mixes the back with water and directly throws the bucket in, need not to mix in the upper cover. Set up in the lower casing of outer box 1 and mix the liquid district, compare in the traditional mode of mixing liquid in outer box upper cover, safety ring protects, convenient washing more, has reduced mycotic breeding, has also avoided the contact of laundry detergent with domestic water simultaneously.

The detergent feeding device in the embodiment integrates the shell 31 of the liquid pump 3 with the inner box 1, and complex assembly of the liquid pump 3 and the inner box 1 or the outer box 2 is not required to be carried out through fasteners and sealing pieces under the condition that the processing difficulty is not increased, so that the time required by assembly is saved on one hand, and the material and labor cost are also reduced on the other hand. The clutch unit is arranged in the outer box 1, so that the rotor rotating shaft of the liquid pump 3 can be connected with or separated from the driving unit for multiple times, the transmission precision cannot be influenced, and the throwing precision of the liquid pump 3 cannot be influenced. Will mix the liquid district and lie in outer box 1, wash more easily, avoided mixing the liquid risk in the liquid district to flowing backwards to 2 stock solution chambeies of interior box moreover.

The embodiment also provides a household appliance, such as a washing machine or a dishwasher and the like, which comprises the detergent feeding device. Adopt the detergent in this embodiment to put in the device, can realize cleaner laundry or the process of washing the dishes, reduce the risk that mould breeds, improved the input precision moreover for the washing process is safe and reliable more.

The applicant declares that the present invention is exemplarily described by the above embodiments, and it is obvious that the specific implementation of the present invention is not limited by the above manner, and it is within the protection scope of the present invention as long as various insubstantial modifications are made by using the concept and technical scheme of the present invention, or the concept and technical scheme of the present invention are directly applied to other occasions without modifications.

Claims

1. A detergent dispensing device, comprising:

an outer box (1);

an inner case (2) which can be pushed in and pulled out of the outer case (1);

the liquid pump (3) is used for pumping the liquid of the inner box (2) into the outer box (1), and a shell (31) of the liquid pump (3) and the shell of the inner box (2) are of an integrated structure and are obtained through a deep drawing process; the outer shell (31) of the liquid pump (3) and the side wall of the inner box (2) are integrally formed;

further comprising:

a drive unit which is arranged outside the outer box (1) and is used for driving the rotor of the liquid pump (3);

a clutch unit for separating or engaging the driving unit from or with a rotation shaft of the rotor, the clutch unit being disposed between the outer case (1) and the inner case (2);

the outer box (1) and the inner box (2) are arranged in parallel, and the inner box (2) is arranged between the outer box (4) and the inner box (2); two of the ratchets (4) comprise:

the outer gears (41) of the two ratchet wheels (4) are meshed with each other, and the output end of the clutch unit is connected to one of the ratchet wheels (4);

internal teeth (42);

a pawl (43) provided in the internal teeth (42), a partial surface of the pawl (43) being fitted with the internal teeth (42);

the rotating shafts of the rotors of the two liquid pumps (3) are connected with pinions (32), and part of the surface of the pawl (43) can stir the pinions (32) to rotate.

2. A detergent delivery device according to claim 1, wherein the inner casing (2) has two reservoirs, each reservoir having the fluid pump (3) disposed therein.

3. The detergent dispensing device according to claim 1, wherein a liquid mixing area is further disposed in the outer box (1), a liquid outlet of the liquid drawing pump (3) is communicated with a liquid inlet of the liquid mixing area, and a water inlet (13) is disposed on the liquid mixing area.

4. A washing machine comprising a detergent dispensing device as claimed in any one of claims 1 to 3.