CN107142681B

CN107142681B - Washing method of washing machine drainage device, drainage device and washing machine

Info

Publication number: CN107142681B
Application number: CN201710469451.3A
Authority: CN
Inventors: 滕茂林; 朱凯; 王光辉; 李昌龙; 聂静
Original assignee: Qingdao Haier Drum Washing Machine Co Ltd
Current assignee: Qingdao Haier Drum Washing Machine Co Ltd
Priority date: 2017-06-20
Filing date: 2017-06-20
Publication date: 2022-08-09
Anticipated expiration: 2037-06-20
Also published as: WO2018233567A1; CN107142681A

Abstract

The invention relates to the technical field of drainage correlation of washing machines, and discloses a washing method of a drainage device of a washing machine, the drainage device and the washing machine, wherein the washing method comprises the following steps: the filter of the drainage device is connected with a flushing pipeline, and when the drainage device drains water, the flushing pipeline is opened to flush the filter and synchronously discharge flushing water out of the washing machine. The drainage device of the washing machine comprises a filter, wherein the filter comprises a shell and a filter core body which is arranged in the shell in a sealing manner, a flushing port is arranged on the shell, and the flushing port is connected with a flushing pipeline and used for flushing the filter during drainage. According to the invention, the water flushing port flushes water into the filter, so that foreign matters accumulated in the filter can be flushed, and dirt, dust and the like dissolved in water can be discharged along with water flow, so that the foreign matters accumulated in the filter, such as only flushed debris and the like, are discharged, and the problems of bacterial breeding and secondary pollution of the filter caused by dirt accumulation are solved.

Description

Washing method of washing machine drainage device, drainage device and washing machine

Technical Field

The invention relates to the technical field of drainage of washing machines, in particular to a washing method of a drainage device of a washing machine, the drainage device and the washing machine.

Background

The filter is usually arranged in the drainage device of the washing machine, and foreign matters such as coins, debris and the like are prevented from flowing into a domestic drainage system along with washing water through the drainage pipe and the floor drain by the filter, so that the drainage pipe or the floor drain is prevented from being blocked by the foreign matters. Therefore, the filter needs to be taken out at intervals to clean the foreign matters in the filter, so that the washing water can be normally discharged, and the normal operation of the washing machine can be ensured.

The existing drainage device has poor filtering effect, and partial foreign matters with small volume easily enter the floor drain through a filter and a drainage pipeline of the drainage device to cause the blockage of the drainage pipeline and the floor drain.

In addition, the washing water may contain dirt, dust, and the like in addition to coins, debris, and the like, and after the washing water is discharged, the dirt, dust, and the like in the washing water are accumulated in the filter. Because the filter of the drainage device of the washing machine is cleaned at intervals, foreign matters are accumulated in the filter for a long time to generate peculiar smell and even breed bacteria; the water inlet of the drainage device is communicated with the outer barrel, bacteria and peculiar smell easily enter the outer barrel, secondary pollution is caused, and the washing effect and the body health of a user are influenced.

Disclosure of Invention

The invention aims to provide a washing method of a drainage device of a washing machine, the drainage device and the washing machine, and aims to solve the problems of poor filtering effect and secondary pollution of the existing drainage device.

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

the washing method of the drainage device of the washing machine is characterized in that a filter of the drainage device is connected with a flushing pipeline, and when the drainage device drains water, the flushing pipeline is opened to flush the filter and synchronously discharge flushing water out of the washing machine.

As a preferred technical scheme, the flushing pipeline is communicated with a water inlet pipeline of the washing machine through an electromagnetic valve.

Preferably, when the drainage device drains water, the drainage valve is opened by synchronously opening the drainage pump or opening the motor.

In order to achieve the purpose, the invention also provides a drainage device of the washing machine, which comprises a filter, wherein the filter comprises a shell and a filter core body which is hermetically arranged in the shell, a flushing port is arranged on the shell, and the flushing port is connected with a flushing pipeline and used for flushing the filter during drainage.

As a preferred technical scheme, the electromagnetic valve is a three-way valve and is arranged on a water inlet pipe of the washing machine, a water inlet of the three-way valve is connected with the water inlet pipe of the washing machine, and two water outlets of the three-way valve are respectively communicated with the flushing port and an outer cylinder of the washing machine through pipelines; the three-way valve is connected to a controller of the washing machine.

As the preferred technical scheme, the shell is provided with a water outlet, and the filter core body is provided with a plurality of filter holes communicated with the flushing port and the water outlet; and a plurality of filtering columns are arranged at the positions, which are not provided with the filtering holes, of the filter.

As the preferred technical scheme, a filter plate which divides the filter core body into two parts is arranged on one side in the filter core body opposite to the flushing port; the filter core is divided into two parts which are communicated through the open grooves by the filter plate.

In order to achieve the purpose, the invention also provides a washing machine adopting the washing method.

In order to achieve the aim, the invention also provides a washing machine which comprises the drainage device of the washing machine.

The invention has the beneficial effects that: wash by water in to the filter through the washing water mouth, can wash piling up the foreign matter in the filter, mud dirt and dust etc. will discharge along with rivers together after dissolving in water for accumulational foreign matters such as the piece that only for washing clean in the filter, solved the filter and piled up because of the mud dirt and cause bacterial growing and secondary pollution problem.

Drawings

FIG. 1 is a schematic view of a filter (a filter core is not visible but inside a housing) of a drainage device according to an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a filter according to a first embodiment of the present invention;

fig. 3 is a flow chart of a method for cleaning a drain of a washing machine according to an embodiment of the present invention.

In the figure:

1. a housing; 11. a water inlet; 12. a water outlet; 13. a flushing port; 2. a filter core; 21. a first working section; 211. a first filtering hole; 212. a second filtering hole; 213. a filter plate; 2131. an open slot; 214. a filtration column; 2141. a first filtration column; 2142. a second filtration column; 22. a second working section; 221. a third filtering hole; 23. a sealing cover; 3. an end cap; 100. and (3) a filter.

Detailed Description

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

Example one

The present embodiment provides a drainage device of a washing machine, fig. 1 is a schematic structural diagram of a filter of the drainage device of the present embodiment, and a filter core of the filter in fig. 1 is located inside a housing of the filter, so that the filter core is not visible in fig. 1.

As shown in fig. 1 and 2, the drainage device includes a filter 100, the filter 100 includes a housing 1 and a filter core 2 hermetically installed in the housing 1, a flushing port 13 is provided on the housing 1, and the flushing port 13 is connected with a flushing pipeline for flushing the filter 100 during drainage. Specifically, the flushing pipeline is connected with a water inlet pipeline of the washing machine through an electromagnetic valve. The electromagnetic valve is a three-way valve and is arranged on a water inlet pipe of the washing machine, a water inlet of the three-way valve is connected with the water inlet pipe of the washing machine, and two water outlets of the three-way valve are respectively communicated with the flushing port 13 and an outer barrel of the washing machine through pipelines; the three-way valve is connected to a controller of the washing machine.

Since the washing water may contain dirt, dust, and the like in addition to coins, debris, and the like, foreign substances such as debris, dirt, and dust in the washing water may be accumulated in the filter 100 after the washing water is discharged. Through the inlet tube and wash by water in the mouth 13 is continuous to filter 100, can wash piling up the foreign matter in filter 100, mud dirt and dust etc. will discharge along with rivers together after being dissolved in water for accumulational foreign matter such as the piece that only for washing clean in filter 100 has solved filter 100 and has piled up because of the mud dirt and cause bacterial growing and secondary pollution problem.

In this embodiment, the housing 1 is further provided with a water inlet 11 communicated with the outer tub of the washing machine through a pipeline, so that washing water generated in the washing process enters the drainage device through the water inlet 11 and is drained after being filtered by the filter 100. The cleaning method described in this embodiment is mainly to wash the filter 100 for filtering the washing water.

As shown in fig. 2, the filter element 2 includes a U-shaped or C-shaped first working portion 21, and a second working portion 22 and a sealing cap 23 integrally formed with the first working portion 21 and respectively located at two ends of the first working portion 21, and the filter element 2 is clamped to the housing 1 through the sealing cap 23. One side of the shell 1 close to the sealing cover 23 is provided with an end cover 3 in threaded connection with the shell, a sealing ring is arranged between the end cover 3 and the shell 1, and the filter core body 2 is fixed in the shell 1 in a sealing mode through the end cover 3.

The shell body 1 is provided with a water outlet 12, the filter core body 2 is provided with a plurality of filter holes communicated with the flushing port 13 and the water outlet 12, namely, the flushing port 13 and the water outlet 12 are respectively positioned at two sides of the filter holes. Specifically, a plurality of first filtering holes 211 with circular cross sections are uniformly distributed on the bottom wall of the first working part 21, a plurality of second filtering holes 212 are arranged on two side walls of the first working part, and the second filtering holes 212 are kidney-shaped holes; a plurality of third filtering holes 221 are formed in the second working portion 22, and the third filtering holes 221 are arc-shaped holes with different sizes. The washing water is filtered through the first filtering hole 211, the second filtering hole 212 and the third filtering hole 221, foreign matters are blocked at the side of the flushing port 13, and the foreign matters are prevented from entering the drainage pipeline through the drainage port 12 to block the drainage pipeline or the floor drain.

A plurality of filtering columns 214 are uniformly distributed on the bottom wall of the first working portion 21, where the first filtering holes 211 are not formed, the filtering columns 214 include a first filtering column 2141 and a second filtering column 2142, and the height of the first filtering column 2141 is greater than the height of the second filtering column 2142. By providing the filter columns 214 with different heights, foreign matters such as thread scraps can be wound on the filter columns 214, and the filter holes can be prevented from being blocked by the foreign matters such as thread scraps as much as possible.

A filter plate 213 dividing the filter core 2 into two parts is provided in the filter core 2 at a side opposite to the flushing port 13, and as shown in fig. 2, the filter plate 213 is provided in the first working portion 21 and is disposed parallel to the sealing cover 23. A plurality of open grooves 2131 are arranged on one side of the filter plate 213 opposite to the flushing port 13, and the two parts of the filter core body 2 divided by the filter plate 213 are communicated through the open grooves 2131. In this embodiment, the drain port 12 is provided in the housing 1 at a position close to the second working portion 22. By providing the filter plate 213, a part of the foreign matters can be blocked at the side of the first working portion 21 away from the drain opening 12, and the service life of the filter plate before the filter hole near the drain opening 12 is blocked can be prolonged.

Since the filter core 2 of the drainage device of the washing machine needs to be cleaned regularly, by adopting the filter core 2 of the embodiment, the service time before the filter holes are blocked is prolonged, namely, the frequency of cleaning the filter core 2 of the drainage device is reduced, and the user satisfaction is improved.

The present embodiment provides a method for cleaning a drain of a washing machine to flush a filter of the drain, and the implementation body of the embodiment is a washing machine which can control the operation state of the drain by a drain pump, that is, discharge washing water and rinsing water by controlling the operation of a drain pump; the working state of the drainage device can also be controlled by adopting the motor and the drainage valve, namely the drainage valve is in an open state by controlling the work of the motor, so that the washing water and the flushing water can be conveniently drained. The present embodiment employs controlling the operation state of the drainage device by the drainage pump.

Fig. 3 is a flowchart of a method for cleaning a drainage device of a washing machine according to the present embodiment, and the following describes in detail the method for cleaning a drainage device of a washing machine with reference to fig. 3, and includes the following specific processes: the filter 100 is flushed by opening the flushing line, while a drain pump is opened to drain the flushing water.

After the filter 100 is washed by the method, sundries accumulated in the filter 100 can be washed clean, mud and dirt accumulated on the filter core body 2 are discharged along with water flow, and coins, scraps and the like are washed clean, so that the problems of bacterial breeding and secondary pollution caused by the fact that the mud and dirt-containing coins, scraps and the like are accumulated in the filter 100 for a long time are effectively solved.

The drain pump of this embodiment may also be operated after the filter 100 is flushed or before the filter core 2 is flushed, differing only in the timing of the drain pump and the filter flushing.

The embodiment also provides a washing machine, which comprises the washing machine drainage device and adopts the washing method of the washing machine drainage device to wash the drainage device. The drainage device is arranged on the washing machine and is cleaned by the cleaning method of the drainage device of the washing machine, so that the problem that bacteria in the drainage device are bred due to accumulation of dirt on the filter 100 and the problem of secondary pollution caused by the drainage device of the washing machine are solved, the frequency of cleaning the filter core body 2 of the drainage device is reduced, and the user satisfaction is improved.

Example two

The difference between the present embodiment and the first embodiment is that the water inlet 11 is not provided in the present embodiment, but the flushing port 13 is communicated with the outer cylinder of the washing machine through a pipeline, that is, the flushing port 13 is simultaneously communicated with the outer cylinder of the washing machine and the water inlet pipe of the water inlet device, and through the flushing port 13, not only can the washing water generated in the washing process be filtered by the filter 100 and then discharged, but also the flushing pipeline can be opened to flush the filter 100.

Other structures in this embodiment are the same as those in the first embodiment, and are not described in detail here.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The drainage device of the washing machine comprises a filter (100), and is characterized in that the filter (100) comprises a shell (1) and a filter core body (2) which is hermetically arranged in the shell (1), a flushing port (13) is arranged on the shell (1), and the flushing port (13) is connected with a flushing pipeline and used for opening the flushing pipeline to flush the filter (100) and synchronously discharging flushing water out of the washing machine during drainage;

the flushing pipeline is communicated with a water inlet pipeline of the washing machine through an electromagnetic valve;

a water outlet (12) is arranged on the shell (1), and a plurality of filtering holes communicated with the flushing port (13) and the water outlet (12) are arranged on the filter core body (2); a plurality of filter columns (214) are arranged at the positions, which are not provided with the filter holes, on the filter core body (2);

a filter plate (213) which divides the filter core body (2) into two parts is arranged on one side of the filter core body (2) opposite to the flushing port (13); a plurality of open grooves (2131) are formed in one side, opposite to the flushing port (13), of the filter plate (213), and the two parts, divided by the filter plate (213), of the filter core body (2) are communicated through the open grooves (2131);

the filter core body (2) comprises a first working part (21), and a second working part (22) and a sealing cover (23) which are respectively connected to two ends of the first working part (21), wherein a plurality of first filtering holes (211) with circular sections are uniformly distributed in the bottom wall of the first working part (21), a plurality of second filtering holes (212) are formed in two side walls of the first working part, and the second filtering holes (212) are waist-shaped holes; a plurality of third filtering holes (221) are formed in the second working part (22), and the third filtering holes (221) are arc-shaped holes with different sizes;

the bottom wall of the first working part (21) is not provided with a plurality of filter columns (214) at the positions of the first filter holes (211), the filter columns (214) comprise a first filter column (2141) and a second filter column (2142), and the height of the first filter column (2141) is greater than that of the second filter column (2142).

2. The washing machine drainage device according to claim 1, wherein the electromagnetic valve is a three-way valve and is disposed on a water inlet pipe of the washing machine, a water inlet of the three-way valve is connected to the water inlet pipe of the washing machine, and two water outlets of the three-way valve are respectively communicated with the flushing port (13) and an outer tub of the washing machine through pipelines; the three-way valve is connected to a controller of the washing machine.

3. Washing machine characterized in that it comprises a washing machine drain according to claim 1 or 2.