CN114808370A - Washing machine cleaning device, washing machine and cleaning control method thereof - Google Patents

Abstract

The invention discloses a washing machine cleaning device, a washing machine and a cleaning control method thereof, wherein the washing machine cleaning device comprises an outer cylinder, an inner cylinder arranged in the outer cylinder and a driving shaft for driving the inner cylinder to rotate relative to the outer cylinder; further comprising: the spraying mechanism is arranged on the side wall of the inner cylinder, and the waterway communication mechanism is used for communicating the spraying mechanism with the water supply passage; the water outlet direction of the spraying mechanism faces to the inner wall of the outer barrel. The water supply passage is arranged on the driving shaft, so that a pipeline is not required to be additionally arranged, and the space is saved; more importantly, the water supply passage and the driving shaft rotate together without considering the winding problem caused by additionally arranging a pipeline; in addition, the cleaning water provided by the water supply channel reaches the spraying mechanism on the side wall of the inner barrel through the water channel communication mechanism, the spraying mechanism is an interlayer of the inner barrel and the outer barrel of the straight-face washing machine, and the distance between the spraying mechanism and the inner wall of the outer barrel is very short, so that the spraying effect is more direct and effective.

Description

Washing machine cleaning device, washing machine and cleaning control method thereof

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to a washing machine cleaning device, a washing machine and a cleaning control method thereof.

Background

A washing machine generally includes a casing, an outer cylinder fixedly disposed in the casing, an inner cylinder disposed in the outer cylinder and rotatable relative to the outer cylinder, and a rotating shaft for driving the inner cylinder to rotate. With the increase of the washing times, the washing machine inevitably causes 'more washing and dirtying', namely, with the increase of the washing times and the washing quantity, various dirt can be adhered between the inner cylinder and the outer cylinder, especially the inner wall of the outer cylinder.

The prior art mainly cleans the washing machine by a spray rinsing mode or a brush brushing mode. However, the existing spray rinsing mode sprays water from the top of the washing machine to the interlayer of the inner and outer cylinders, and simultaneously, the aim of cleaning the inner and outer cylinders is achieved by matching with the high-speed rotation mode of the inner cylinder.

Disclosure of Invention

The invention aims to provide a cleaning device of a washing machine, the washing machine and a cleaning control method thereof, which can effectively clean an interlayer of an inner drum and an outer drum of the washing machine. The invention is realized by the following technical scheme:

a cleaning device of a washing machine comprises an outer cylinder, an inner cylinder arranged in the outer cylinder and a driving shaft for driving the inner cylinder to rotate relative to the outer cylinder; characterized in that, the washing machine cleaning device further comprises: the spraying mechanism is arranged on the side wall of the inner cylinder, and the waterway communication mechanism is used for communicating the spraying mechanism with the water supply passage; the water outlet direction of the spraying mechanism faces to the inner wall of the outer barrel.

Preferably, the spraying mechanism comprises a cavity and a nozzle arranged on the cavity, the cavity is provided with a water inlet connected with the waterway communication mechanism, and the nozzle faces the inner wall of the outer barrel.

Preferably, the cavity is long and arranged along the axial direction of the inner barrel.

Preferably, at least two of the nozzles are arranged on the cavity in an axial direction of the inner cylinder.

Preferably, the number of the spraying mechanisms is at least two, and the at least two spraying mechanisms are arranged on the side wall of the inner barrel at equal angular intervals.

Preferably, the inner wall of the inner barrel is provided with at least one lifting rib, and the spraying mechanism is arranged on the inner barrel at a position corresponding to the lifting rib.

Preferably, one end of the driving shaft is fixedly connected with the bottom of the inner cylinder through a bracket, and the water supply passage is provided with a water inlet arranged at one end of the driving shaft far away from the bracket and a water outlet arranged at one end of the driving shaft connected with the bracket; one end of the waterway communicating mechanism is connected with the water outlet of the water supply passage, and the other end of the waterway communicating mechanism is connected with the spraying mechanism.

Preferably, the water supply passage is a through hole axially penetrating the drive shaft.

Preferably, the waterway communicating mechanism comprises a first waterway communicating piece and a second waterway communicating piece, the first waterway communicating piece is arranged between the bracket and the bottom of the inner barrel, and one end of the first waterway communicating piece is connected with a water outlet of the water supply passage; one end of the second waterway communicating piece is arranged at the bottom of the inner cylinder and is connected with the other end of the first waterway communicating piece, and the other end of the second waterway communicating piece is connected with the spraying mechanism.

Preferably, the support is a tripod, the waterway communicating mechanism further comprises a water diversion device, the water diversion device is provided with an inlet and three outlets, the water diversion device is arranged in the center of the tripod, the inlet of the water diversion device is connected with the water outlet of the water supply passage, the three outlets of the water diversion device are aligned with the three corners of the tripod, and are respectively connected with a group of the first waterway communicating member, the second waterway communicating member and the spraying mechanism.

A washing machine comprises a machine shell, a water supply mechanism and a control component; the washing machine cleaning device is characterized by further comprising the washing machine cleaning device, the control assembly controls the rotation operation of the inner barrel, and the control assembly controls the water supply operation of the water supply mechanism to the water supply passage.

A cleaning control method based on the washing machine is characterized by comprising the following steps: and controlling the water supply mechanism to supply water to the water supply passage and enabling the spraying mechanism to spray the supplied water to the inner wall of the outer barrel.

Preferably, the inner cylinder is controlled to rotate while the spraying mechanism sprays the supplied water to the inner wall of the outer cylinder, or during an interval period in which the spraying mechanism sprays the supplied water to the inner wall of the outer cylinder.

The beneficial effects of the invention include: the water supply passage is arranged on the driving shaft, so that a pipeline is not required to be additionally arranged, and the space is saved; more importantly, the water supply passage and the driving shaft rotate together without considering the winding problem caused by additionally arranging a pipeline; in addition, the cleaning water provided by the water supply channel reaches the spraying mechanism on the side wall of the inner barrel through the water channel communication mechanism, the spraying mechanism is an interlayer of the inner barrel and the outer barrel of the straight-face washing machine, and the distance between the spraying mechanism and the inner wall of the outer barrel is very short, so that the spraying effect is more direct and effective. Moreover, a plurality of spraying mechanisms can be arranged around the outer wall of the inner barrel, and a plurality of nozzles can be arranged on the spraying mechanisms along the axial direction of the inner barrel, so that the spraying is more three-dimensional and comprehensive. Moreover, the waterway communicating mechanism is arranged through the original mechanism of the washing machine, so that the structure is more compact.

Drawings

Fig. 1 is a schematic diagram of the matching of an inner cylinder and an outer cylinder in a cleaning device of a washing machine provided by an embodiment of the invention.

Fig. 2 is a schematic view of an inner drum of a cleaning device of a washing machine according to an embodiment of the present invention.

Fig. 3 is a sectional view taken along the axial direction at the line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 shows a specific implementation flow of the cleaning control method for a washing machine according to the embodiment of the present invention.

Detailed Description

The following detailed description of the present invention will be further described with reference to the accompanying drawings, wherein for the purpose of illustration, the present invention is defined with reference to the drawings, and the definitions of the orientations are only for the purpose of clearly describing the relative positional relationships, and are not intended to limit the actual orientations of the products or devices during the manufacturing, use, sale, and the like.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Furthermore, in the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected, detachably connected, or integrated; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, 2 and 3, the cleaning device of the washing machine of the present embodiment includes an outer tub 10, an inner tub 20 disposed in the outer tub, and a driving shaft 30 for driving the inner tub 20 to rotate relative to the outer tub 10. As shown in fig. 3, the cleaning device of the washing machine further includes: a water supply passage 310 provided on the drive shaft 30, a shower mechanism 40 provided on the side wall of the inner cylinder 20, and a water passage communication mechanism 50 for communicating the shower mechanism with the water supply passage. Wherein, the spraying mechanism 40 is towards the inner wall of the outer cylinder 10, i.e. the spraying mechanism 40 sprays the cleaning water towards the inner wall of the outer cylinder 10.

With continued reference to fig. 3, the spraying mechanism 40 includes a cavity 41 and a nozzle 42 disposed on the cavity 41, the cavity 41 is disposed on the sidewall of the inner cylinder 20 in an embedded manner, the cavity 41 has a water inlet 411 connected to the waterway communicating mechanism 50, and the nozzle 42 is disposed outward, i.e., toward the inner wall of the outer cylinder 10.

In the prior art, at least one lifting rib is arranged on the inner wall of the inner barrel, namely a lug protruding out of the inner wall of the inner barrel, so that on one hand, the clothes generate friction force with the lifting rib, and the part of the clothes close to the lifting rib and the relative motion part rub against each other to generate rubbing action; on the other hand, the lifting ribs drive the clothes to rotate together, the clothes are lifted out of the liquid level and conveyed to a certain height, and fall into the washing water again under the action of gravity, and impact with the laundry detergent to generate stick beating and falling effects, so that the washing effect is achieved. In this embodiment, three lifting ribs 25 are disposed at equal angular intervals, and three spraying mechanisms 40 are also disposed at corresponding positions of the inner cylinder wall corresponding to the positions of the three lifting ribs 25, respectively, that is, the three spraying mechanisms 40 are also disposed at equal angular intervals on the inner cylinder sidewall. Further, the chamber 41 of the shower mechanism 40 is elongated, and the length direction thereof is arranged along the axial direction of the inner cylinder 20. Meanwhile, ten nozzles 42 are arranged on the cavity 41 in the axial direction of the inner cylinder 20. The structure enables the spraying to be more three-dimensional and comprehensive.

In this embodiment, one end of the driving shaft 30 is fixedly connected to the bottom of the inner cylinder 20 through a bracket 80, the water supply passage 310 has a water inlet 311 and a water outlet 312, the water inlet 311 is disposed at one end of the driving shaft 30 away from the bracket 80, and the water outlet 312 is disposed at one end of the driving shaft 30 connected to the bracket 80. Specifically, the water supply passage 310 is a through hole axially penetrating the drive shaft 30. The water supply passage 310 in this embodiment is disposed on the driving shaft 30, and no additional pipe is required, thereby saving space; more importantly, the water supply passage 310 rotates together with the driving shaft 30 without considering the problem of entanglement due to the additional piping.

The waterway communicating means 50 has one end connected to the water outlet 312 of the water supply passage 310 and the other end connected to the water inlet 411 of the shower means 40. Specifically, the waterway communication mechanism 50 includes a first waterway communication member 51, a second waterway communication member 52, and a water dividing device. In this embodiment, the stand 80 is a tripod (a type of stand commonly used in the prior art), the water diversion device 53 has an inlet 531 and three outlets 532 (shown in fig. 4, one of the outlets and the first waterway connector 51 is not shown), the water diversion device 53 is disposed at the center of the tripod, the inlet thereof is connected to the outlet 312 of the water supply passage 310, and the three outlets are aligned with three corners of the tripod and are respectively connected to a set of the first waterway connector 51, the second waterway connector 52 and the spraying mechanism 40.

Wherein, the specific connection relationship between each group of the first waterway communicating member 51, the second waterway communicating member 51 and the spraying mechanism 40 is as follows: a water pipe groove is formed between the bracket 80 and the bottom of the inner cylinder 20, and the first waterway communicating member 51 is a water pipe and is arranged in the water pipe groove between the bracket 80 and the bottom of the inner cylinder 20; one end of the first waterway communicating member 51 is connected with the water outlet 312 of the water supply passage 310 through an outlet and an inlet of the water diversion device 53; the second waterway communicating member 52 is an L-shaped water pipe, one end of which is connected to the other end of the first waterway communicating member 51 at the bottom of the inner cylinder 10, and the other end of which is connected to the spraying mechanism 40 at the sidewall of the inner cylinder 10.

In this embodiment, the three sets of the first waterway communicating member 51, the second waterway communicating member 52 and the spraying mechanism 40 can simultaneously supply water and spray water, so that the inner cylinder 20 can be uniformly stressed around the cylinder, and can smoothly rotate. Of course, it is not excluded that only one set of the first waterway communicating member 51, the second waterway communicating member 51 and the spraying mechanism 40 is provided, and when only one set of the first waterway communicating member 51, the second waterway communicating member 51 and the spraying mechanism 40 is provided, the water diversion device 53 may not be provided, and one end of the first waterway communicating member 51 may be directly connected to the water outlet 312 of the water supply passage 310.

It can be seen from the above structure that the cleaning water provided by the water supply passage 310 reaches the spraying mechanism 40 on the inner cylinder side wall through the waterway communicating mechanism 50, the spraying mechanism 40 is an interlayer of the inner cylinder and the outer cylinder of the straight-face washing machine, the distance between the spraying mechanism 40 and the inner wall of the outer cylinder 10 is very short, and the spraying effect is more direct and effective. Moreover, the waterway communicating mechanism 50 is arranged through the original mechanism of the washing machine, so that the structure is more compact, and no redundant space is occupied. Specifically, the spraying mechanism 40 and the lifting rib 25 are arranged at corresponding positions, so that the space of the inner cylinder is not required to be occupied additionally, namely, the part of the spraying mechanism 40, which is positioned at the inner side of the inner cylinder, is covered by the lifting rib 25, and the lifting rib 25 can also play a role in protecting the spraying mechanism 40, so that clothes and the spraying mechanism 40 are prevented from directly contacting the clothes during operation; in addition, the first waterway communicating member 51 is laid in the water pipe groove between the bracket 80 and the bottom of the inner barrel 20, so that the space is saved and the protection effect can be achieved.

This implementation still provides a washing machine, including casing, water supply mechanism, drainage mechanism and control assembly, still include the above washing machine cleaning device, control assembly control the rotation operation of inner tube, control assembly control water supply mechanism is right the water supply operation of water supply route.

The present embodiment also provides a cleaning control method for a washing machine based on the above, including: and controlling the water supply mechanism to supply water to the water supply passage and enabling the spraying mechanism to spray the supplied water to the inner wall of the outer barrel. And controlling the rotation of the inner cylinder when the spraying mechanism sprays the supplied water to the inner wall of the outer cylinder or in the intermission period when the spraying mechanism sprays the supplied water to the inner wall of the outer cylinder.

Referring to fig. 5, a specific implementation flow of the control method is given.

Starting up the machine, starting a drum cleaning program, detecting whether clothes are not taken out from the inner drum, if yes, giving an alarm to prompt a user to take out the clothes, if not, opening a water inlet valve of a water supply mechanism and a drain valve of a drain mechanism, spraying high-pressure water for N seconds when the inner drum is in a static state, and then rotating the inner drum at a rotating speed of B revolutions per minute for A minutes; and then the inner cylinder is reversely rotated and rotates at the rotating speed of B revolutions per minute for A minutes, and the first cylinder cleaning is finished at the moment. Dirt may be spilled on other areas and secondary drum cleaning is required. The inner cylinder stops rotating, the water inlet valve is closed, and the drain valve is continuously in an open state until water is drained. After water is drained, the drain valve is closed, the water inlet valve is opened, water is fed under normal pressure, the inner cylinder rotates at the rotating speed of D revolutions per minute for C minutes, after the preset water level is reached, the water inlet valve is closed, the inner cylinder keeps rotating at H revolutions per minute for E minutes, then the inner cylinder stops rotating, the drain valve is opened until the water is drained, and the program is stopped.

The above embodiments are merely for full disclosure and not for limitation, and any replacement of equivalent technical features, which can be obtained without inventive work based on the gist of the present invention, should be construed as the scope of the present disclosure.

Claims (13)

1. A cleaning device of a washing machine comprises an outer barrel, an inner barrel arranged in the outer barrel and a driving shaft for driving the inner barrel to rotate relative to the outer barrel; characterized in that, the washing machine cleaning device further comprises: the spraying mechanism is arranged on the side wall of the inner cylinder, and the waterway communication mechanism is used for communicating the spraying mechanism with the water supply passage; the water outlet direction of the spraying mechanism faces to the inner wall of the outer barrel.

2. The cleaning device of claim 1, wherein the spraying mechanism comprises a chamber and a nozzle disposed on the chamber, the chamber has a water inlet connected to the waterway communicating mechanism, and the nozzle faces the inner wall of the outer tub.

3. A washing machine cleaning device according to claim 2 in which the chamber is elongate and is arranged in the axial direction of the inner drum.

4. A washing machine cleaning device as claimed in claim 2 in which at least two of the nozzles are arranged on the chamber in the axial direction of the drum.

5. The washing machine cleaning device as claimed in any one of claims 1 to 4, wherein the number of the spraying mechanisms is at least two, and at least two spraying mechanisms are arranged on the side wall of the inner barrel at equal angular intervals.

6. A washing machine cleaning device as claimed in any one of claims 1 to 4 in which the inner wall of the inner barrel is provided with at least one lifting rib, and the spraying mechanism is provided on the inner barrel at a position corresponding to the lifting rib.

7. The washing machine cleaning device as claimed in claim 1, wherein one end of the driving shaft is fixedly connected with the bottom of the inner tub through a bracket, and the water supply passage has a water inlet opening at one end of the driving shaft away from the bracket and a water outlet opening at one end of the driving shaft connected with the bracket; one end of the waterway communicating mechanism is connected with the water outlet of the water supply passage, and the other end of the waterway communicating mechanism is connected with the spraying mechanism.

8. The washing machine cleaning device as claimed in claim 7, wherein the water supply passage is a through hole axially penetrating the driving shaft.

9. The washing machine cleaning device as claimed in claim 7 or 8, wherein the waterway communicating mechanism includes a first waterway communicating member and a second waterway communicating member, the first waterway communicating member is disposed between the bracket and the bottom of the inner tub, and one end of the first waterway communicating member is connected to the water outlet of the water supply passage; one end of the second waterway communicating piece is arranged at the bottom of the inner cylinder and is connected with the other end of the first waterway communicating piece, and the other end of the second waterway communicating piece is connected with the spraying mechanism.

10. The washing machine cleaning device of claim 9, wherein the support is a tripod, the waterway communication mechanism further comprises a water diversion device, the water diversion device has an inlet and three outlets, the water diversion device is disposed at the center of the tripod, the inlet of the water diversion device is connected with the water outlet of the water supply passage, the three outlets of the water diversion device are aligned with three corners of the tripod, and are respectively connected with a set of the first waterway communication member, the second waterway communication member and the spraying mechanism.

11. A washing machine comprises a machine shell, a water supply mechanism and a control component; characterized in that, the cleaning device of the washing machine is further provided with any one of the claims 1 to 10, the control component controls the rotation operation of the inner cylinder, and the control component controls the water supply operation of the water supply mechanism to the water supply passage.

12. A cleaning control method of a washing machine as claimed in claim 11, comprising: and controlling the water supply mechanism to supply water to the water supply passage and enabling the spraying mechanism to spray the supplied water to the inner wall of the outer barrel.

13. The cleaning control method according to claim 12, wherein the rotation of the inner cylinder is controlled at the same time as the spray mechanism sprays the supply water onto the inner wall of the outer cylinder or at an intermittent period when the spray mechanism sprays the supply water onto the inner wall of the outer cylinder.

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