CN111945360B

CN111945360B - Spraying device of washing machine, washing machine and control method of washing machine

Info

Publication number: CN111945360B
Application number: CN202010738014.9A
Authority: CN
Inventors: 刘林滔; 王立乾; 杨洪永; 吴志亮; 熊传鑫; 窦诗雯
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-07-23
Anticipated expiration: 2040-07-28
Also published as: CN111945360A

Abstract

The invention discloses a spraying device of a washing machine, the washing machine and a control method thereof, wherein the spraying device comprises a rotary spraying part and a fixed spraying part; wherein: the middle part of a rotating component of the rotary spraying part and the fixed spraying part are sleeved on a rotating shaft (45); the rotating assembly is formed by buckling a rotating spraying part upper cover (41) and a rotating spraying part lower cover (42), and the rotating spraying part upper cover (41) is provided with first spray holes in different opening directions; the upper surface of the fixed spraying part is provided with a second spray hole; a water inlet (46) is formed in the rotating shaft (45); the rotating shaft (45) is sleeved on the spray head base (44). The invention can solve the problems of deformation caused by overlarge mechanical force when underwear and underpants are washed independently and cross contamination of stains when the underwear and the underpants are shuffled, and can effectively improve the cleaning rate and the rinsing rate.

Description

Spraying device of washing machine, washing machine and control method of washing machine

Technical Field

The invention relates to a washing machine manufacturing technology, in particular to a spraying device of a washing machine, the washing machine and a control method of the washing machine.

Background

At present, the washing machine in the form of a small impeller or a small roller is mostly used for washing underwear in the market.

When the impeller washing machine is used for washing, the underwear shoulder straps are easily wound to cause tensile deformation, and when the drum washing machine is used for washing, the underwear steel rings are easily deformed when the underwear is beaten. The underwear deforms under the action of winding, pulling or beating, so that the service life of the underwear can be influenced on one hand, and the wearing comfort level is also influenced on the other hand.

The underwear washing machines on the market are basically divided into single underwear washing or single underwear washing, or the two underwear washing and washing machines are mixed. However, the frequency of changing and washing underwear and underpants for general women is once a day, and if the underwear and underpants are separately washed, the washing times and the washing duration are increased, which is troublesome. If the two are mixed, cross contamination of stains on underwear and underpants is easily caused.

In addition, there is a problem that it is difficult to rinse the underwear cleanly due to a large amount of foam generated when the underwear is washed, and the detergent remains on the underwear to cause damage to the skin of the user.

Disclosure of Invention

In view of the above, the present invention is directed to a spray device of a washing machine, a washing machine and a control method thereof, which are capable of solving the problems of deformation caused by excessive mechanical force when underwear and underpants are washed separately and preventing cross contamination of stains when the underwear and underpants are shuffled, and effectively improving the washing rate and rinsing rate.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a spray device of a washing machine comprises a rotary spray part and a fixed spray part (43); wherein:

the middle part of a rotating component of the rotating spraying part and the fixed spraying part (43) are sleeved on a rotating shaft (45); the rotating assembly is formed by buckling a rotating spraying part upper cover (41) and a rotating spraying part lower cover (42), and the rotating spraying part upper cover (41) is provided with first spray holes in different opening directions; the upper surface of the fixed spraying part (43) is provided with a second spray hole; the rotating shaft (45) is sleeved on the spray head base (44).

Wherein: a gap is arranged between the middle part of the rotating component and the spray head base (44) or the rotating component is connected with the spray head base through a rolling bearing.

A water inlet (46) is formed in the rotating shaft (45), and the water inlet (46) is communicated with a first spray hole of the rotary spray part upper cover (41) and a second spray hole in the upper portion of the fixed spray part (43) respectively.

The rotary spraying part upper cover (41) is pushed to rotate by the reaction force of water flow of the first spray holes with different opening directions.

The fixed spraying part (43) is connected with the rotary spraying part upper cover (41) through a buckle.

The upper surface of the fixed spraying part (43) is a spherical cambered surface, and the axial diameters of the second spray holes are perpendicular to the spherical cambered surface and point to the center of a sphere.

A washing machine includes a shower device.

Wherein: the washing machine also comprises at least one washing chamber and a rack (5);

the article shelf (5) is arranged above the spraying device (4) in the washing cavity and is used for placing the articles to be washed.

The washing machine further comprises a box cover (1) for preventing the washing water in the washing cavity from being sprayed out of the washing cavity.

A control method of a washing machine including a spray device includes the steps of:

A. putting the object to be washed on a shelf in the washing cavity;

B. putting a proper amount of washing water into the washing cavity to enable the water level to reach the box cover;

C. and starting the spraying device to wash or rinse the washings on the object rack.

Wherein: further comprising:

D. and after the drainage is finished, repeating the step B to the step C.

The spraying device of the washing machine, the washing machine and the control method thereof have the following beneficial effects:

by adopting the washing machine with the spraying device, on one hand, underwear and underpants can be washed separately, and cross contamination of stains between the underwear and the underpants is avoided; on the other hand, by adopting the rotary spraying mode, the underwear is not deformed due to excessive mechanical force, the spray head can cover the whole underwear, and the cleaning rate is improved. In addition, the invention effectively avoids the generation of foam during washing and improves the rinsing rate by adopting a spraying mode of underwater immersion.

Drawings

FIG. 1 is a schematic view of a washing machine with a spray device according to an embodiment of the present invention;

FIG. 2 is a longitudinal sectional view of a washing machine with a spray device according to an embodiment of the present invention;

FIG. 3 is a longitudinal cross-sectional view of a spray assembly according to an embodiment of the present invention;

FIG. 4 is a top view of a spray device according to an embodiment of the present invention;

FIG. 5 is a diagram illustrating the explosion effect of the spray device according to the embodiment of the present invention;

fig. 6 is a schematic view of the operation process of the washing machine with the spraying device.

[ description of main reference symbols ]

1: a box cover; 2: filtering with a screen; 3: a first washing chamber; 4: a spraying device; 5: a rack;

6: a base plate; 7: a second washing chamber; 8: a box body; 9: a circulating water inlet; 10: a water inlet valve;

41: an upper cover of the rotary spraying part; 42: a lower cover of the rotary spraying part; 43: a fixed spraying part;

44: a nozzle base; 45: a rotating shaft; 46: a water inlet;

a1: spray head

A2: first drainage three-way valve

A3: second drain three-way valve

A4: water inlet three-way valve

A5: main water inlet valve

A6: circulating pump

A7: main water outlet

A8: underwear cavity

A9: a pants cavity.

Detailed Description

The present invention will be described in further detail below with reference to the accompanying drawings and embodiments thereof.

FIG. 1 is a schematic view of a washing machine with a spray device according to an embodiment of the present invention; fig. 2 is a longitudinal sectional view of a washing machine with a shower device according to an embodiment of the present invention.

As shown in fig. 1 to 2, the washing machine mainly includes: the washing machine comprises a box cover 1, a filter screen 2, a first washing cavity 3, a spraying device 4, a storage rack 5, a bottom plate 6, a second washing cavity 7, a box body 8, a circulating water inlet 9 and a water inlet valve 10. Wherein:

the case cover 1 has good sealing performance, can prevent the washing water in the first washing chamber 3 and the second washing chamber 7 from being sprayed out of the washing machine case body 8 under the spraying pressure of the bottom spraying device 4, and can prevent the washing water between the first washing chamber 3 and the second washing chamber 7 from mutually circulating to avoid cross contamination.

In this embodiment, the first washing chamber 3 is used for washing underwear; a second washing chamber 7 for washing the underpants. The underwear and the underpants can be washed separately. The underwear and the underpants to be washed are respectively arranged on the article placing frames 5 in the first washing cavity 3 and the second washing cavity 7. Preferably, the rack 5 is located above the spraying device 4 by 1-2 mm. The storage rack 5 is close to the spray head 4, so that the water sprayed from the spray head can be prevented from being reduced by the resistance of the water in the first washing cavity 3 or the second washing cavity 7 to cause that the water is not sprayed on the underwear with insufficient force and the underwear cannot be washed cleanly, and meanwhile, the storage rack 5 can also protect the spray head from being wound by the underwear or the underpants to influence the rotation and reduce the washing uniformity.

Filter screen 2 sets up on the undercut's of bottom plate 6 circulation water inlet 9, filter screen 2's position and bottom plate 6's position parallel and level or slightly be less than bottom plate 6's position, mainly used filters aquatic impurity, avoids blockking up pump and spray set 4. A water inlet valve 10 is provided in front of the circulation water inlet 9 for controlling the inflow amount of the washing water.

Fig. 3 is a longitudinal sectional view of the shower apparatus 4 according to the embodiment of the present invention; FIG. 4 is a top view of a spray device according to an embodiment of the present invention; fig. 5 is an explosion effect diagram of the spray device according to the embodiment of the invention.

In the present embodiment, the number of the nozzle holes of the shower apparatus 4 is reduced as compared with a general shower head, the force for jetting water is increased, and the cleaning rate is increased.

The spraying device 4 is mainly divided into a rotary spraying part and a fixed spraying part. The upper surfaces of the rotary spraying part and the fixed spraying part are respectively provided with a plurality of spray holes, the spray holes are communicated with a water pipe of the base 44, and water flow can spray out water flow through the spray holes to wash clothes. Wherein:

the rotary spraying part comprises a rotary spraying part upper cover 41 and a rotary spraying part lower cover 42. The rotary shower part upper cover 41 and the rotary shower part lower cover 42 are combined into a single body to constitute a rotary unit. The center of the bottom of the rotating component is arranged on the spray head base 44, and a gap is reserved between the middle of the rotating component and the spray head base 44 or the rotating component is connected with the spray head base through a rolling bearing.

The upper part of the upper cover 41 of the rotary spraying part is provided with spray holes (refer to fig. 4) with different opening directions, which not only can enlarge the spraying area, but also can push the rotary part to rotate by taking the spray head base 44 as the axis by utilizing the reaction force when water flows are rushed out. The rotating assembly is sleeved on a rotating shaft 45, a water inlet 46 is arranged on the rotating shaft 45, water flows in from a spray head base 44, a part of the water flows into the spraying rotating part through the water inlet 46 and is sprayed out through the spray holes of the rotating spraying part upper cover 41, and a part of the water flows through the fixed spraying part 43 and is sprayed out through the spray holes at the upper part. The fixed spraying part 43 is connected with the rotary spraying part upper cover 41 through a buckle, and is detachable so as to be conveniently detached for cleaning.

The upper surface of the fixed spraying part 43 is a cambered surface, the diameter of the sphere is larger, and the sprayed water flow is preferably used for covering the first washing cavity 3 or the second washing cavity 7. The cambered surface evenly distributed be equipped with the round hole, the aperture scope of round hole is 1 ~ 3mm, the hole number is more comparatively fine, round hole shaft diameter all is perpendicular to the directional centre of sphere of spherical arc surface. The water flow when passing through the fixed shower portion 43 is ejected as finely dispersed water flow. The two cantilevers of the rotary spraying part are evenly provided with circular holes, and the hole diameter is 3-5 mm. From the cantilever to the rotation center, namely axle 45, the angle of hole orientation changes gradually, and cantilever most marginal hole axle is greater than 45 degrees with the rotation plane contained angle number of degrees, and is between 0 and 30 degrees with the tangential direction's of rotation axis angle, and then inwards the angle of the contained angle with individual direction reduces gradually. The number of holes on the cantilever is determined according to the size of the hole diameter and the water pressure, the number is properly increased when the hole diameter is small, and for example, the number of the holes with the hole diameter of 3mm is 7-9.

The spray head is pressed close to the position of this device underwear pants placing plate, and the underwear is placed on placing the board back cloth can press close to the spray head as far as possible and is guaranteed that the power of spraying is sprayed on the clothing preferentially before being consumed by the water resistance, and the distance of underwear and shower nozzle is in 20 mm. The height of water level in the cavity is decided according to the clothes on the one hand, both guarantee that the water level height can submerge the clothes completely, on the other hand is decided by the power of spraying, will avoid not spraying the rivers that go up on the clothes and pierce through the surface of water and spray too high and fall and produce the bubble, so the height of liquid level will guarantee that the rivers that the shower nozzle spun does not spout on the clothes are consumed to finish or what consume is unlikely to the surface of water of spouting too high and produce the bubble before spouting the surface of water, the liquid level is 50mm apart from the height of shower nozzle under the general condition.

As shown in fig. 6, the underwear/underpants washing process of the washing machine using the spray device is as follows:

step 61: opening the case cover 1 of the washing machine, respectively placing underwear and underpants into an underwear cavity A8 and an underpants cavity A9, placing proper detergent, and closing the case cover 1; the undergarment cavity A8 and the panty cavity a9 are collectively referred to as a washing cavity.

Step 62: the water inlet valve A5 is opened, the water inlet three-way valve A4 is opened, a proper amount of tap water is filled into the washing cavity until the water level just touches the box cover 1, and at the moment, the air content in the washing cavity is low, so that the situation that the washing is difficult to rinse due to foam generation can be effectively avoided.

And step 63: after the water inlet is finished, the first water discharging three-way valve A2 of the underwear cavity A8 is opened, the circulating pump A6 starts to operate, the water inlet three-way valve is switched to the corresponding cavity, and the washing starts.

Step 64: after the washing is finished, the pump is stopped, and the first drain three-way valve a2 is switched to the main drain a 7. Until the water drainage is finished

Step 65: and (3) closing the first drain valve A2, connecting the second drain valve A3 of the underwear cavity A9 to the circulating pump A6, connecting the water inlet three-way valve A4 to the corresponding cavity, and washing the underwear again until the washing is finished.

And step 66: the second drain valve A3 is opened to switch to the main drain A7 for draining. Until the end.

Step 67: after the drainage is finished, the previous washing steps 62 to 66 are repeated again to carry out rinsing until the rinsing is clean.

The underwear washing machine adopting the spraying device washes and rinses in an immersed spraying mode, can effectively prevent the generation of foam, improve the rinsing rate of clothes, and avoid the stimulation of residual detergent attached to the clothes to skin.

Preferably, the rotary spraying mode enlarges the spraying area of the spraying head, and improves the uniformity and the cleaning rate of cleaning. The water flow sprayed by the spray head can be used for effectively and softly striking the water flow on the surface of the clothes to remove stubborn stains, and the deformation of the clothes caused by overlarge mechanical force is avoided. The two cavities of the washing machine can wash the underwear and the underpants separately, and can effectively prevent stains between the underwear and the underpants from being polluted mutually.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. A washing machine with a spraying device is characterized by comprising at least one washing cavity, a storage rack (5) and the spraying device;

a bottom plate (6) is arranged at the bottom of the washing cavity, and the spraying device (4) is fixed on the bottom plate; the article shelf (5) is arranged above the spraying device (4) and is used for placing articles to be washed;

the spraying device (4) comprises a spray head base (44), a rotating shaft (45), a rotary spraying part and a fixed spraying part (43); wherein the content of the first and second substances,

the spray head base is arranged on the bottom plate and connected with the water inlet pipe, the rotating shaft (45) is rotatably arranged on the spray head base (44),

the rotary spraying part comprises a rotary component, the rotary component is sleeved in the middle of the rotating shaft, the rotary component is formed by buckling a rotary spraying part upper cover (41) and a rotary spraying part lower cover (42), the rotary spraying part upper cover (41) is provided with a plurality of first spray holes in different opening directions, and the plurality of first spray holes in different opening directions can generate reaction force on water flow when the rotary spraying part sprays water so as to push the rotary component to rotate around the axial lead of the nozzle base;

the fixed spraying part (43) is arranged at the top of the rotating shaft (45), the rotating shaft (45) is provided with a water inlet (46) for supplying water to the fixed spraying part (43), and the upper part of the fixed spraying part (43) is provided with a second spray hole;

when water flows in from the nozzle base (44) through the water inlet pipe, a part of the water flows into the rotary spraying part through the water inlet (46) and is sprayed out through the first spray hole of the upper cover of the rotary spraying part, and a part of the water flows into the fixed spraying part (43) and is sprayed out through the second spray hole at the upper part of the fixed spraying part (43).

2. A washing machine with a spraying device according to claim 1, characterized in that a gap is provided between the rotating shaft and the nozzle base (44) or connected by a rolling bearing.

3. A washing machine with sprinkler arrangement according to claim 1, characterized in that the fixed sprinkler (43) is snap-connected with the rotary sprinkler top cover (41).

4. A washing machine with a sprinkling device according to any one of claims 1-3, wherein the upper surface of the fixed sprinkling portion (43) is a spherical arc surface, and the axial diameters of the second spraying holes are all directed to the center of a sphere perpendicular to the spherical arc surface.

5. A washing machine with a sprinkling apparatus according to claim 1, further comprising a cover (1) for preventing the washing water in the washing chamber from being sprayed out of the washing chamber.

6. A control method of a washing machine with a shower apparatus according to claim 5, comprising the steps of:

A. putting the object to be washed on a shelf in the washing cavity;

7. The control method of a washing machine according to claim 6, further comprising:

D. and after the drainage is finished, repeating the step B to the step C.