CN111188165A - Washing machine - Google Patents
Washing machine Download PDFInfo
- Publication number
- CN111188165A CN111188165A CN201910490110.3A CN201910490110A CN111188165A CN 111188165 A CN111188165 A CN 111188165A CN 201910490110 A CN201910490110 A CN 201910490110A CN 111188165 A CN111188165 A CN 111188165A
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- Prior art keywords
- water
- treatment agent
- water supply
- supply path
- path
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention provides a washing machine, which has a function of automatically feeding a washing treatment agent and inhibits blockage caused by drying and solidification of the treatment agent remained around an injection port. The washing machine is provided with: a water tank; a water supply path connected to an external water source to supply water from the external water source to the water tank; a water supply valve for opening and closing the water supply path; and an automatic feeding device having a treatment agent tank capable of storing a washing treatment agent in an amount of several times and a treatment agent feeding path for feeding a washing treatment agent in the treatment agent tank into the water tank from the treatment agent feeding path via the water feeding path, wherein the treatment agent feeding device has a treatment agent tank for feeding a washing treatment agent in the treatment agent tank into the water feeding path and a treatment agent feeding path for feeding the washing treatment agent in the treatment agent tank into the water feeding path. The water supply path has a water remaining portion in which water remains when the water supply valve is closed. An injection port serving as an outlet of the treating agent injection path is provided in the water remaining portion.
Description
Technical Field
Embodiments of the present invention relate to a washing machine.
Background
In recent years, in order to meet the user's demand for improved convenience, a washing machine has been developed in which a washing treatment agent such as a detergent or a softener is stored in a treatment agent tank in advance in several amounts, and a required amount is automatically fed from the treatment agent tank into a water tank during a washing operation. In such a washing machine, the treating agent tank is connected to a water supply path for supplying water from an external water source such as a tap water pipe to the water tank. The washing treatment agent is injected from the treatment agent tank into the water supply path, and then is put into the water tank together with the water flowing through the water supply path.
In this case, the remaining treatment agent may remain around an outlet of an injection path connecting the treatment agent tank and the water supply path, that is, an injection port for injecting the washing treatment agent into the water supply path. However, since the water supply path is not filled with water when the washing machine is not in operation, the residual treating agent around the inlet is dried and solidified when the washing machine is not in operation for a long period of time, and as a result, the inlet may be clogged.
Documents of the prior art
Patent document
Japanese patent application laid-open No. 2018-11618 of patent document 1
Disclosure of Invention
Technical problem to be solved by the invention
Therefore, the present invention provides a washing machine having a function of automatically feeding a washing treatment agent, wherein clogging due to drying and solidification of the treatment agent remaining around an inlet can be suppressed.
Means for solving the problems
The washing machine of the embodiment comprises: a water tank; a water supply path connected to an external water source and supplying water from the external water source to the water tank; a water supply valve for opening and closing the water supply path; and an automatic feeding device which has a treatment agent tank and a treatment agent injection path, and which can feed a predetermined amount of washing treatment agent stored in the treatment agent tank into the water tank from the treatment agent injection path via the water supply path, wherein the treatment agent tank can store a plurality of times of the amount of washing treatment agent, and the treatment agent injection path connects the treatment agent tank and the water supply path and injects the washing treatment agent in the treatment agent tank into the water supply path. The water supply path has a water remaining portion in which water remains in a case where the water supply valve is closed. An injection port serving as an outlet of the treating agent injection path is provided in the water remaining portion.
Drawings
Fig. 1 is a diagram showing an example of a drum-type washing machine according to a first embodiment.
Fig. 2 is a diagram illustrating an example of a vertical washing machine according to the first embodiment.
Fig. 3 is a diagram conceptually showing the configuration around the automatic loading device and the water supply path in the first embodiment.
Fig. 4 is a diagram conceptually showing the configuration around the automatic loading device and the water supply path in the second embodiment.
Fig. 5 is a diagram conceptually showing the configuration around the automatic loading device and the water supply path in the third embodiment.
Fig. 6 is a diagram conceptually showing the configuration around the automatic loading device and the water supply path in relation to the fourth embodiment.
Detailed Description
Hereinafter, a plurality of embodiments will be described with reference to the drawings. In each embodiment, substantially the same elements are denoted by the same reference numerals, and description thereof is omitted. The embodiments can be applied to either a horizontal-axis or diagonal-axis type drum-type washing machine shown in fig. 1 or a vertical-axis type washing machine shown in fig. 2.
(first embodiment)
A first embodiment will be described with reference to fig. 1 to 3.
The washing machine 20 shown in fig. 2 includes a housing 21, a water tank 22, a rotary tub 23, an inner lid 241, an outer lid 242, a motor 25, and a drain valve 26. The left side of fig. 2 is the front side of the washing machine 20, and the right side of fig. 2 is the rear side of the washing machine 20. The installation surface side, i.e., the vertical lower side, of washing machine 20 is defined as the lower side of washing machine 20, and the opposite side, i.e., the vertical upper side, of the installation surface is defined as the upper side of washing machine 20. The washing machine 20 is a vertical washing machine in which the rotation axis of the rotary tub 23 is oriented in the vertical direction. In this case, the water tank 22 and the rotary tank 23 function as a washing tank for storing laundry.
As shown in fig. 1 and 2, each of the washing machines 10 and 20 includes a water supply path 30, a water supply valve 40, and an automatic loading device 50. The water supply path 30, the water supply valve 40, and the automatic loading device 50 are all provided at the upper portion in the outer boxes 11, 21. The water supply path 30 connects an external water source such as a tap of a water supply line to the water tanks 12 and 22, and is a path for supplying water from the external water source into the water tanks 12 and 22. The water supply path 30 is connected to an external water source such as a tap of a tap water pipe through a water supply valve 40, and receives water from the external water source and supplies the water into the water tanks 12 and 22.
In the present embodiment, washing machines 10 and 20 are provided with water injection cartridges 17 and 27, respectively. The water injection cartridges 17 and 27 are formed in a container shape as a whole, and are configured to be able to accommodate therein a washing treatment agent in an amount used for 1 washing operation. As shown in fig. 3, a part of the water supply path 30 passes through the inside of the water filling cartridges 17, 27. In this case, the portion of the water supply path 30 that passes through the inside of the water filling cartridges 17 and 27 may be integrally formed with the water filling cartridges 17 and 27, or may be formed separately from the water filling cartridges 17 and 27.
The water supply valve 40 is an electromagnetic drive type opening/closing valve and opens/closes the water supply path 30. Water supply valve 40 is controlled to open and close by a control signal from a control device, not shown, of washing machines 10 and 20. When water supply valve 40 is in the open state, water from an external source such as a water supply line is supplied into water tanks 12 and 22 through water supply path 30. At this time, if a washing treatment agent such as a detergent or a softener is contained in the water feed cassettes 17 and 27, the washing treatment agent is flushed into the water tanks 12 and 22 by the water passing through the water feed cassettes 17 and 27. When water supply valve 40 is closed, water supply to water tanks 12 and 22 is stopped.
As shown in fig. 1 and 2, the water supply path 30 may include a water filling hose 31. The water filling hose 31 is a flexible hose that is corrugated and bendable, and connects the water filling cartridges 17, 27 with the inside of the water tanks 12, 22.
As shown in fig. 3, the water supply path 30 has a water remaining portion 32. The water remaining portion 32 is a portion where water remains in the water supply path 30 when the water supply valve 40 is closed and the water supply to the water tanks 12 and 22 is stopped. In the case of the present embodiment, when the water supply valve 40 is closed after the water supply valve 40 is opened to allow water to pass through the water supply path 30 and the water supply is stopped, the residual water W remains in the water residual portion 32.
The water remaining portion 32 is formed of a trap (trap) formed by bending a part of the water supply path 30 in a U shape. In the present embodiment, the U-shape includes not only a shape in which the water supply path 30 is bent at right angles as shown in fig. 3, but also a shape in which the entire water supply path is bent smoothly, for example.
The water remaining portion 32 has a bottom 321 and two rising portions 322 and 323. The bottom 321 is a U-shaped bottom and is provided between the two rising portions 322 and 323. The rising portions 322 and 323 are provided on the upstream side and the downstream side of the bottom portion 321, and are configured to extend in the vertical direction. In this case, the rising portions 322 and 323 constitute the upstream end and the downstream end of the water retention portion 32, respectively. That is, the rising portion 322 is provided at the upstream end of the water retention portion 32, and the rising portion 323 is provided at the downstream end of the water retention portion 32. The rising portions 322 and 323 extend to a position higher than the inlet 531 to be described later. In this case, the rising portions 322 and 323 do not necessarily need to extend strictly in the vertical direction, and may be inclined upward as viewed from the bottom portion 321, for example.
The automatic loading device 50 has a function of storing a predetermined amount of the washing treatment agent in advance several times and automatically supplying a predetermined amount of the washing treatment agent into the water tanks 12 and 22 in several washing operations. In addition, in the present embodiment, the washing treatment agent refers to a concept including a liquid detergent and a softener. In the case of the present embodiment, as shown in fig. 1 and 2, the automatic loading device 50 is located above the water tanks 12 and 22 in the outer boxes 11 and 21, and is provided on one side, for example, the left side, in the left-right direction of the washing machines 10 and 20.
As shown in fig. 3, the automatic loading device 50 includes a treatment agent tank 51, a supply pump 52, and a treatment agent injection path 53. The treatment agent tank 51 is configured to store a washing treatment agent in an amount of several times and to be attached to and detached from the washing machines 10 and 20 by a user's operation.
The supply pump 52 is, for example, a piston-type pump, and pumps out a predetermined amount of the washing treatment agent from the treatment agent tank 51 and injects the pumped washing treatment agent into the water supply path 30 through the treatment agent injection path 53. Washing machine 10 can put the detergent required for the washing operation into water tanks 12 and 22 along with the water flowing through water supply path 30 by operating supply pump 52 during the water supply process in the washing step and the rinsing step of the washing operation, for example.
The treatment agent injection path 53 connects the treatment agent tank 51 and the water supply path 30 via the supply pump 52, and injects the washing treatment agent in the treatment agent tank 51 into the water supply path 30. The treating agent injection path 53 is connected to the water remaining portion 32 in the water supply path 30. That is, an inlet 531 serving as an outlet of the treating agent injection path 53 is provided in the water remaining portion 32. In this case, the water injection port 531 is provided at the lowermost bottom portion in the water remaining portion 32. Therefore, in the case where the water supply valve 40 is closed and the residual water W remains in the water residual portion 32, the injection port 531 is entirely covered with the residual water W remaining in the water residual portion 32.
The inlet 531 is provided at a position facing the direction of water flowing through the water supply path 30 when the water supply valve 40 is opened to supply water to the water supply path 30. That is, the water inlet 531 is provided at a position directly receiving the water potential of the water flowing through the water supply path 30 from the front. In the case of the present embodiment, the inlet 531 is located at the bottom 321 of the residual water portion 32 and is provided at a position facing the rising portion 322 on the upstream side.
As shown in fig. 3, the washing machines 10 and 20 are provided with a fine bubble generator 60. The fine bubble generator 60 is located on the water supply path 30 and is provided upstream of the inlet 531. In the case of the present embodiment, the micro-bubble generator 60 is located between the water supply valve 40 and the water injection cartridges 17 and 27, and is attached to the water injection cartridges 17 and 27. The fine bubble generator 60 is a device that generates fine bubbles by precipitating a gas dissolved in a liquid such as water, for example, air, by rapidly reducing the pressure of the liquid when the liquid passes through the inside of the fine bubble generator 60.
The fine bubble generator 60 of the present embodiment can generate fine bubbles including bubbles having a diameter of 100 μm or less, so-called "fine bubbles", by applying the pressure to the water line. Further, the fine bubble generator 60 of the present embodiment can generate fine bubbles including ultra-fine bubbles having a particle diameter of the order of nanometers. In general, bubbles having a particle diameter of 100 μm or less are referred to as microbubbles, and bubbles having a particle diameter of 1 μm or less, that is, on the order of nanometers are referred to as microbubbles.
According to the above-described embodiment, the washing machines 10 and 20 are respectively provided with the water tanks 12 and 22, the water supply path 30, the water supply valve 40, and the automatic loading device 50. The water supply path 30 is connected to an external water source such as a tap of a tap water pipe for supplying water from the external water source to the water tanks 12, 22. The water supply valve 40 opens and closes the water supply path 30. The automatic loading device 50 includes a treating agent tank 51 and a treating agent injection path 53. The treatment agent tank 51 is configured to store a washing treatment agent in an amount of several times. The treating agent injection path 53 connects the treating agent tank 51 and the water supply path 30, and injects the washing treating agent in the treating agent tank 51 into the water supply path 30. The automatic loading device 50 can load a predetermined amount of the washing treatment agent stored in the treatment agent tank 51 into the water tanks 12 and 22 from the treatment agent injection path 53 through the water supply path 30. The water supply path 30 has a water remaining portion 32, and when the water supply valve 40 is closed, water remains in the water remaining portion 32. An injection port 531 serving as an outlet of the treating agent injection path 53 is provided in the water remaining portion 32.
Accordingly, even when the water supply valve 40 is closed to stop the water supply and no water flows through the water supply path 30, the residual water W can be left in the water residual portion 32. Further, since the inlet 531 serving as the outlet of the treating agent injection path 53 is provided in the water remaining portion 32, the inlet 531 is covered with the remaining water W remaining in the water remaining portion 32 even when the water supply valve 40 is closed to stop the water supply and no water flows through the water supply path 30. Thus, even when the washing machines 10 and 20 are not operated for a long period of time, the residual water W remaining in the water residual portion 32 is brought into contact with the detergent treatment agent remaining around the injection port 531, and therefore, the detergent treatment agent remaining around the injection port 531 can be prevented from being dried and solidified. As a result, clogging of the treatment agent injection path 53 due to drying and solidification of the treatment agent remaining around the injection port 531 can be suppressed.
The water remaining portion 32 is formed of a U-shaped collector. This allows more residual water W to be stored in the water residual part 32 formed of the U-shaped collector. The portion of the residual water W that contacts the air in the water supply path 30 is the end region of the rising portions 322 and 323. Therefore, the area of the residual water W stored in the water residual part 32 in contact with the air can be reduced as much as possible, and therefore, evaporation of the residual water W can be suppressed. Therefore, the period until the residual water W evaporates and the injection port 531 is exposed to the air in the water supply path 30 can be further extended. This can more effectively prevent the detergent remaining around the inlet 531 from being dried and solidified even when the washing machines 10 and 20 are not operated for a long period of time. As a result, clogging of the treatment agent injection path 53 due to drying and curing of the treatment agent remaining around the injection port 531 can be more effectively suppressed.
The inlet 531 is provided at a position opposite to the direction of water flowing through the water supply path 30. Thus, the injection port 531 receives the water potential of the water flowing through the water supply path 30 directly. Therefore, even when the residual water W in the water residual portion 32 evaporates to dry and solidify the detergent remaining around the inlet 531, the solidified detergent is easily detached by the water potential of the water flowing through the water supply path 30 in the next washing operation. As a result, even when the cleaning treatment agent is dried and solidified to cause clogging of the treatment agent injection path 53, the clogging can be eliminated as soon as possible.
Particularly, in the present embodiment, the inlet 531 is provided at a position facing the rising portion 332. Therefore, the water flowing through the rising portion 322 toward the inlet 531 is added with the falling water potential by gravity in addition to the water potential by the pressure of the original water supply line. Therefore, the water collides more vigorously with the inlet 531, and the firmly solidified washing treatment agent will also easily fall off.
The washing machines 10 and 20 further include a fine bubble generator 60. The fine bubble generator 60 is located on the water supply path 30 and is provided upstream of the inlet 531. The micro-bubble generator 60 can include micro-bubbles including ultra-micro-bubbles in the water flowing through the water supply path 30.
Here, the anionic (anion) surfactant, which is a main component of the detergent, and the fine bubbles in the fine bubble water alone have a cleaning ability to remove dirt. However, when fine bubbles are added to concentrated detergent water by, for example, dissolving a detergent in water containing the fine bubbles, the surfactant in the detergent is adsorbed to the fine bubbles by an interaction called hydrophobic interaction, which acts on attractive force between molecules, and thus the surfactant aggregates, that is, micelles are decomposed and easily dispersed in water. As a result, the surfactant is easily reacted with the stain in a short time, and the cleaning ability is improved.
That is, by dissolving a detergent in water containing fine bubbles to generate a cleaning solution, the interaction between the surfactant in the detergent and the fine bubbles is activated, and as a result, the cleaning ability can be significantly improved as compared with a cleaning solution in which a detergent is dissolved only in water in a tap water line. Further, since the dirt is emulsified and easily dispersed in water, the effect of preventing the dirt from being attached to the clothes again can be expected. For this reason, the cleaning liquid of the present embodiment has a higher cleaning ability than a cleaning liquid obtained by dissolving a detergent in normal tap water. As a result, the washing machines 10 and 20 can exhibit strong washing performance.
In this case, the water flowing through the water supply path 30 contains fine bubbles. Therefore, even when the residual water W in the water residual portion 32 evaporates and the detergent remaining around the inlet 531 is dried and solidified, the solidified detergent is easily detached by the action of the fine bubbles contained in the water flowing through the water supply path 30 in the next washing operation. As a result, even if the treatment agent injection path 53 is clogged due to drying and solidification of the washing treatment agent, the clogging can be eliminated more quickly.
(second embodiment)
Next, a second embodiment will be described with reference to fig. 4.
In the present embodiment, the position of the injection port 531 is different from that in the first embodiment. In the present embodiment, the inlet 531 is provided in a side portion on the downstream side of the U-shaped residual water portion 32, that is, the downstream standing portion 323. That is, in the present embodiment, the inlet 531 is located at the rising portion 323 on the downstream side of the water remaining portion 32 and is provided at a position facing the space of the bottom portion 321. In this case, the inlet 531 is also provided at a position facing the direction of water flowing through the water supply path 30 when the water supply valve 40 is opened to flow water into the water supply path 30, that is, at a position directly receiving the water potential of water flowing through the water supply path 30 from the front.
This also provides the same operational advantages as those of the first embodiment.
(third embodiment)
Next, a third embodiment will be described with reference to fig. 5.
In the present embodiment, the shape of the water retention portion 32 is different from the above-described embodiments. That is, in the present embodiment, the washing machines 10 and 20 include the water retention part 33 instead of the water retention part 32. The water remaining portion 33 is formed in a shape recessed downward along a part of the water supply path 30 that is formed linearly and extends horizontally.
This also provides the same operational effects as those of the above embodiments.
Further, according to this configuration, the portion of the water supply path 30 having the water remaining portion 33 can be formed linearly, and therefore resistance of water flowing through the water supply path 30 can be suppressed. That is, according to the present embodiment, the water remaining portion 33 having a complicated shape can suppress an increase in water resistance, and as a result, a decrease in water potential and water supply amount can be suppressed.
This embodiment can be combined with the first embodiment. That is, the concave water retention portion 33 of the third embodiment may be further provided on the bottom 321 of the U-shaped water retention portion 32 of the first embodiment, and the injection port 531 may be provided in the concave water retention portion 33. Accordingly, even when the water remaining in the U-shaped water remaining portion 32 is evaporated and remains little, the water can be left around the injection port 531 by the concave water remaining portion 33. As a result, clogging of the injection port 531 can be suppressed more effectively.
(fourth embodiment)
Next, a third embodiment will be described with reference to fig. 6.
The shape of the water remaining portion 34 in the present embodiment is also different from the above-described embodiments. That is, in the present embodiment, the washing machines 10 and 20 include the water remaining portion 34 instead of the water remaining portions 32 and 33. The water remaining portion 34 is formed in the following shape: a part of the water supply path 30 formed linearly and extending horizontally is bent upward. That is, the water remaining portion 34 has a bottom portion 341 and a rising portion 342, the bottom portion 341 forming the bottom of the water remaining portion 34, and the rising portion 342 upwardly rising from the bottom portion 341 by bending a part of the water supply path 30 upward. The inlet 531 is provided in the water remaining portion 34. In this case, the injection port 531 is located on the surface of the rising portion 342 and is provided at a position facing the outlet of the water supply valve 40, that is, the outlet of the micro-bubble generator 60.
This also provides the same operational effects as those of the above embodiments.
Further, according to the present embodiment, the water retention portion 34 has a simpler straight-line structure than the U-shaped water retention portion 32 shown in fig. 3 and 4, and therefore, the resistance of the water flowing through the water retention portion 34 can be further reduced.
In addition, according to the present embodiment, the injection port 531 is provided at a position facing the outlet of the fine bubble generator 60. Therefore, the water containing the fine bubbles flowing out of the fine bubble generator 60 can be caused to directly collide with the injection port 531. Thus, even when the detergent treatment agent adhered to the vicinity of the inlet 531 is solidified, the fine bubbles can be directly applied to the detergent treatment agent, and as a result, the firmly solidified detergent treatment agent can be easily detached.
In the present embodiment, the injection port 531 may be provided in the bottom 341 of the water retention portion 34, as in the first embodiment shown in fig. 3.
In the above embodiments, the injection port 531 may be formed in the residual water portions 32, 33, and 34, and need not be formed in the bottom surfaces or the side surfaces of the residual water portions 32, 33, and 34. For example, the injection port 531 may be formed on the top surface of the residual water portions 32, 33, and 34.
While the embodiments of the present invention have been described above, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in other various forms, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.
Claims (5)
1. A washing machine is provided with:
a water tank;
a water supply path connected to an external water source and supplying water from the external water source to the water tank;
a water supply valve for opening and closing the water supply path; and
an automatic feeding device which has a treatment agent tank capable of storing a washing treatment agent in an amount of several times and a treatment agent feeding path for feeding the washing treatment agent in the treatment agent tank into the water tank via the water supply path, the treatment agent feeding device having a treatment agent tank and a treatment agent feeding path for feeding the washing treatment agent in the treatment agent tank into the water supply path, and feeding a predetermined amount of the washing treatment agent stored in the treatment agent tank from the treatment agent feeding path into the water tank via the water supply path;
the water supply path has a water remaining portion in which water remains in a state where the water supply valve is closed,
an injection port serving as an outlet of the treating agent injection path is provided in the water remaining portion.
2. The washing machine according to claim 1, wherein,
the water retention portion further has a rising portion provided at a downstream end portion thereof and extending to a position higher than the inlet.
3. The washing machine according to claim 1, wherein,
the water remaining portion is shaped to recess the water supply path.
4. The washing machine according to claim 1, wherein,
the inlet is provided at a position opposite to the direction of water flowing through the water supply path.
5. The washing machine according to any one of claims 1 to 4,
the water supply system further comprises a fine bubble generator which is located on the water supply path, is provided upstream of the inlet, and can include fine bubbles in the water flowing through the water supply path.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-214726 | 2018-11-15 | ||
| JP2018214726A JP2020080920A (en) | 2018-11-15 | 2018-11-15 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188165A true CN111188165A (en) | 2020-05-22 |
Family
ID=70705690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910490110.3A Pending CN111188165A (en) | 2018-11-15 | 2019-06-06 | Washing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2020080920A (en) |
| CN (1) | CN111188165A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119391A (en) * | 1997-07-03 | 1999-01-26 | Hitachi Ltd | Washing machine with water suction pump |
| CN203977165U (en) * | 2014-06-24 | 2014-12-03 | 南京中竞科电子科技有限公司 | Prevent the automatic release device that washing agent is stiff |
| CN105887423A (en) * | 2016-06-21 | 2016-08-24 | 南京中竞科电子科技有限公司 | Washing-agent putting box of roller washing machine |
| CN107850236A (en) * | 2015-07-29 | 2018-03-27 | 东芝生活电器株式会社 | Liquid magnetic valve, the manufacture method of liquid magnetic valve and washing machine |
-
2018
- 2018-11-15 JP JP2018214726A patent/JP2020080920A/en active Pending
-
2019
- 2019-06-06 CN CN201910490110.3A patent/CN111188165A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119391A (en) * | 1997-07-03 | 1999-01-26 | Hitachi Ltd | Washing machine with water suction pump |
| CN203977165U (en) * | 2014-06-24 | 2014-12-03 | 南京中竞科电子科技有限公司 | Prevent the automatic release device that washing agent is stiff |
| CN107850236A (en) * | 2015-07-29 | 2018-03-27 | 东芝生活电器株式会社 | Liquid magnetic valve, the manufacture method of liquid magnetic valve and washing machine |
| CN105887423A (en) * | 2016-06-21 | 2016-08-24 | 南京中竞科电子科技有限公司 | Washing-agent putting box of roller washing machine |
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| Publication number | Publication date |
|---|---|
| JP2020080920A (en) | 2020-06-04 |
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