WO2022059435A1 - Machine à laver - Google Patents

Machine à laver Download PDF

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Publication number
WO2022059435A1
WO2022059435A1 PCT/JP2021/030839 JP2021030839W WO2022059435A1 WO 2022059435 A1 WO2022059435 A1 WO 2022059435A1 JP 2021030839 W JP2021030839 W JP 2021030839W WO 2022059435 A1 WO2022059435 A1 WO 2022059435A1
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WO
WIPO (PCT)
Prior art keywords
water
liquid
washing machine
water injection
liquid agent
Prior art date
Application number
PCT/JP2021/030839
Other languages
English (en)
Japanese (ja)
Inventor
将平 山本
雅朗 徳崎
Original Assignee
パナソニックＩｐマネジメント株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to CN202180062174.9A priority Critical patent/CN116057221A/zh
Priority to BR112023002373A priority patent/BR112023002373A2/pt
Publication of WO2022059435A1 publication Critical patent/WO2022059435A1/fr

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Classifications

    • 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
    • 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 
    • D06F39/06—Arrangements for preventing or destroying scum

Definitions

  • This disclosure relates to a washing machine.
  • Patent Document 1 discloses a washing machine that puts a liquid detergent or a softener into a washing / dehydrating tub by a siphon phenomenon.
  • the washing machine in Patent Document 1 includes a water tank and a detergent charging device for charging a liquid or a liquid mixture into the water tank.
  • the detergent charging device has a liquid accommodating portion, an accommodating portion lid plate, a first conduction path, a conduction path coupling portion, and a second conduction path.
  • the liquid container can contain a liquid or a liquid mixture.
  • the housing lid plate partially or completely covers the upper part of the liquid storage.
  • the first conduction path is formed in a substantially cylindrical shape inside the liquid storage portion, and the lower end portion is open near the bottom portion of the liquid storage portion.
  • the conduction path coupling portion is connected to the upper end portion of the first conduction path and is formed in an inverted U shape.
  • the second conduction path is formed in a substantially cylindrical shape, one end of which is connected to the conduction path coupling portion and the other end of which is open to the outside of the bottom of the liquid storage portion and is arranged outside the first conduction path. ..
  • the liquid input path formed by the first conduction path, the conduction path coupling portion, and the second conduction path is connected by a single path and is partially formed by the accommodating portion lid plate. ..
  • the present disclosure provides a washing machine that suppresses the interruption of the siphon phenomenon and can surely put the liquid into the washing / dehydrating tub.
  • the washing machine in the present disclosure is formed in a substantially box shape with a main body, an outer tub supported by vibration isolation in the main body, and a washing / dehydrating tub rotatably supported in the outer tub, and is put into the inside. It is provided with a liquid agent case for supplying the liquid agent into the outer tank or the washing / dehydrating tank, and a water injection device for injecting water into the liquid agent case.
  • the inside of the liquid agent case is formed in a substantially inverted U shape, and a discharge path for discharging the internal liquid to the outside is provided by the siphon principle, and between the position where the water of the water injection device falls and the discharge path.
  • a wall extending up and down is formed in.
  • the washing machine in the present disclosure suppresses the interruption of the siphon phenomenon by suppressing the bubbles generated when the water of the water injection device falls into the discharge path, and reliably puts the liquid into the washing / dehydrating tub. can.
  • FIG. 1 is an external perspective view of the washing machine according to the first embodiment.
  • FIG. 2 is an external perspective view of the washing machine according to the first embodiment in a state where the lid is open.
  • FIG. 3 is a cross-sectional view of a main part of the side surface of the washing machine according to the first embodiment.
  • FIG. 4 is an exploded perspective view showing the structure of the top cover of the washing machine and the agent charging device according to the first embodiment.
  • FIG. 5 is an exploded perspective view of a water injection flowing portion of the agent charging device of the washing machine according to the first embodiment.
  • FIG. 6 is an external perspective view of the liquid agent case of the agent charging device of the washing machine according to the first embodiment.
  • FIG. 7 is a top view of the water injection path portion of the agent charging device of the washing machine according to the first embodiment.
  • FIG. 8 is a top view of the liquid agent case of the agent charging device of the washing machine according to the first embodiment.
  • FIG. 9 is a vertical cross-sectional view of the liquid agent case of the agent charging device of the washing machine according to the first embodiment.
  • FIG. 1 is an external perspective view of the washing machine 100 according to the first embodiment.
  • FIG. 2 is an external perspective view of the washing machine 100 in the first embodiment with the lid 3 open.
  • FIG. 3 is a cross-sectional view of a main part of the side surface of the washing machine 100 according to the first embodiment.
  • the vertical direction in which the washing machine 100 is installed may be described as the vertical direction.
  • the left side of the washing machine 100 in FIG. 3 may be described as the front side (front side), and the right side of the washing machine 100 may be described as the rear side (rear side).
  • a top cover 2 is arranged on the upper part of the main body 1, and a top cover 2 is rotatably provided in the outer tank 14 at a substantially central portion of the top cover 2.
  • a clothes inlet 7 communicating with the washing / dehydrating tub 6 is formed.
  • the outer tank 14 is vibration-proof supported in the main body 1.
  • the lid 3 is pivotally supported at the rear portion on the upper surface side of the top cover 2 and covers the clothes inlet 7 so as to be openable and closable.
  • a liquid agent case 5 is provided on the rear surface of the clothes inlet 7 so that it can be pulled out.
  • the operation display unit 4 is arranged at the rear portion on the upper surface side of the top cover 2 and behind the lid body 3, accepts various input settings in the washing operation, and displays the setting contents and the operation status.
  • a control device (not shown) for controlling the operation of the washing machine is arranged below the operation display unit 4.
  • FIG. 4 is an exploded perspective view showing the configuration of the top cover 2 of the washing machine 100 and the agent charging device 8 in the first embodiment.
  • the agent charging device 8 has a water injection flowing water unit 10 composed of a water injection device 9 and a water flow unit 11, and a liquid agent case 5 housed inside the water injection water flow unit 10. ..
  • FIG. 5 is an exploded perspective view of the water injection flowing portion 10 of the agent charging device 8 of the washing machine 100 in the first embodiment.
  • the water injection device 9 includes a water injection lid 13 that covers the upper surface, a water injection path portion 12 in which a water flow path 27 is formed, and a water injection path section water inlet 17 that communicates with the outside of the water injection path section 12. It is composed of an electromagnetic water supply valve 15 which is connected to the water inlet 17 of the water injection path portion and introduces water so as to be openable and closable. The water injection device 9 injects water into the liquid agent case 5.
  • the flowing water section 11 is formed so as to incline downward toward the clothes inlet 7, and the water and the agent that have reached the running water section 11 flow down the running water section 11 and are washed and dehydrated from the running water section discharge port 11a. It is thrown into the inside of 6.
  • FIG. 6 is an external perspective view of the liquid agent case 5 of the agent charging device 8 of the washing machine 100 according to the first embodiment.
  • the liquid agent case 5 is formed in a substantially box shape, and the liquid agent charged inside is supplied to the outer tub 14 or the washing / dehydrating tub 6.
  • An engaging claw 25 and a push button 24 are formed on the upper portion of the liquid agent case 5.
  • the engaging claw 25 is configured to engage with the water injection device side engaging portion (not shown) on the lower surface of the water injection device 9 and to be disengaged by pressing the push button 24.
  • the liquid agent case 5 is detachably stored in the water injection / flowing water section 10.
  • the liquid agent case 5 has a powder detergent charging unit 18, a liquid detergent charging unit 21, and a softener charging unit 22.
  • FIG. 7 is a top view of the water injection path portion 12 of the agent charging device 8 of the washing machine 100 in the first embodiment.
  • the running water path 27 has a running water path 27a for powder detergent and a liquid detergent so as to correspond to the powder detergent charging section 18, the liquid detergent charging section 21, and the softener charging section 22 located below. It is formed by branching into a running water path 27b and a running water path 27c for a softener.
  • the flowing water path 27 is provided with a plurality of water injection ports 28 that communicate with the liquid agent case 5 provided below.
  • the water flow path 27a for powder detergent, the water flow path 27b for liquid detergent, and the water flow path 27c for softener have a water injection port 28a for powder detergent, a water injection port 28b for liquid detergent, and a softener, which are part of the water injection port 28. Water injection ports 28c are provided respectively.
  • the liquid agent case 5 is formed in a substantially box shape that opens upward.
  • the inside of the liquid agent case 5 is divided so that the powder detergent charging unit 18, the liquid detergent charging unit 21, and the softener charging unit 22 are separate rooms.
  • the rear outer peripheral wall 18a which is the rear outer peripheral wall, is lower than the side outer peripheral walls 18b on both sides. Therefore, the injected water, the powder detergent, and the generated bubbles get over the rear outer peripheral wall 18a and are discharged to the flowing water portion 11.
  • a powder detergent discharge port 19 that opens downward is provided on the inner bottom surface of the powder detergent charging unit 18.
  • the inner bottom surface of the powder detergent input portion 18 is formed so as to be inclined toward the powder detergent discharge port 19.
  • a scale 20 formed in a stepped shape is formed in the powder detergent charging section 18. The user can confirm the input amount of the powder detergent by visually recognizing the scale 20.
  • FIG. 8 is a top view of the liquid agent case 5 of the agent charging device 8 of the washing machine 100 in the first embodiment.
  • FIG. 9 is a vertical cross-sectional view of the liquid agent case 5 of the agent charging device 8 of the washing machine 100 according to the first embodiment.
  • the inner bottom surface of the liquid detergent charging section 21 and the softener charging section 22 is provided with a pipeline section 26 and a cap 23 constituting a siphon structure.
  • the pipeline portion 26 is formed with a discharge cylinder-shaped portion 29 communicating with the lower side on the front side. Further, as shown in FIG. 9, the pipeline portion 26 has a suction cylinder-shaped portion 32 having a siphon inlet 33 communicating with the inside of the liquid detergent charging portion 21 on the back side by covering the upper portion with the cap 23. Is formed.
  • the conduit portion 26 provided in the softener charging portion 22 has a suction cylinder having a siphon inlet 33 communicating with the inside of the softener charging portion 22 on the back side by covering the upper portion with a cap 23.
  • the shape portion 32 is formed.
  • the discharge cylinder shape portion 29 and the suction cylinder shape portion 32 are communicated with each other by the upper curved communication portion 34 formed in the upper portion, and the suction cylinder shape portion 32, the upper curved communication portion 34, and the discharge cylinder shape portion 29 communicate with each other. It constitutes a substantially inverted U-shaped flow path.
  • the path composed of the suction cylinder-shaped portion 32, the upper curved communication portion 34, and the discharge cylinder-shaped portion 29 is used as the discharge route. That is, the inside of the liquid agent case 5 is formed in a substantially inverted U shape, and a discharge path for discharging the liquid inside is provided to the outside according to the siphon principle.
  • the inner bottom surface of the liquid detergent charging section 21 and the softener charging section 22 is formed so as to incline downward toward the pipeline section 26 and the cap 23, and a recess 30 is formed around the pipeline section 26 and the cap 23. It is formed.
  • the siphon inflow port 33 is surrounded by a wall 31 extending vertically on the rear side of the recess 30 of the liquid detergent charging section 21.
  • the wall 31 is composed of a semicircular portion 31a and straight portions 31b extending from both ends thereof.
  • the position where water falls from the liquid detergent water injection port 28b is separated from the position 35a where the front side water falls and the position 35b where the rear side water falls, and the water is entirely discharged. It is configured to fall. That is, a wall 31 extending vertically is formed between the position where the water supplied from the water injection device 9 falls and the discharge path.
  • the position where water falls from the softener water injection port 28c is composed only of the position 35c where the water on the front side falls, and the rear side of the recess 30 is filled with the softener. It is covered with the rear outer peripheral wall 22a of the portion 22.
  • the electromagnetic water supply valve 15 is opened at a predetermined timing in the washing operation to introduce water into the water injection device 9.
  • the water introduced into the water injection device 9 is discharged to the liquid agent case 5 through the branching water flow path 27.
  • the water introduced into the powder detergent running water path 27a passes through the powder detergent water injection port 28a and is sprinkled on the powder detergent charging section 18.
  • the water introduced into the liquid detergent running water path 27b passes through the liquid detergent water injection port 28b and is sprinkled on the liquid detergent charging section 21.
  • the water introduced into the softener running water path 27c passes through the softener water injection port 28c and is sprinkled on the softener charging section 22.
  • the water sprinkled on the powder detergent charging unit 18 dissolves the charged powder detergent and foams a part of the dissolved water, and is discharged from the powder detergent discharge port 19 to the running water unit 11 in the washing / dehydrating tank 6. Is thrown into.
  • the water sprinkled on the liquid detergent charging section 21 or the softener charging section 22 gradually increases the water level while diluting the liquid detergent or the softener.
  • a liquid detergent will be described as an example.
  • the water level of the liquid detergent charging section 21 rises beyond the siphon inlet 33, which is the gap between the inner bottom surface of the liquid detergent filling section 21 and the cap 23, and reaches the upper end of the liquid detergent charging section 21.
  • Liquid detergents are generally much more viscous than water and have very high resistance when passing through the siphon inlet 33 and the suction tube shaped portion 32. Until the liquid detergent is sufficiently diluted with water, the inside of the siphon inlet 33 is filled with a cleaning liquid having a high concentration of the liquid detergent, so that the flow velocity of the cleaning liquid at the siphon inlet 33 is slow.
  • the concentration of the liquid detergent and the viscosity of the cleaning liquid in the siphon inlet 33 and the suction cylinder shape portion 32 are reduced as the amount of water injected into the liquid detergent charging portion 21 increases.
  • the viscosity of the cleaning liquid decreases, the resistance when the cleaning liquid passes through the siphon inlet 33 and the suction cylinder shaped portion 32 decreases, and the flow velocity increases.
  • the flow of the cleaning liquid with increased momentum pushes the air of the suction cylinder shape portion 32 and the upper curved communication portion 34 toward the discharge cylinder shape portion 29, and the continuous liquid outflow operation based on the siphon principle (hereinafter referred to as siphon operation). ) Is started.
  • the siphon operation is continued even after the water supply from the water injection device 9 is stopped, and the cleaning liquid of the liquid detergent charging unit 21 is sucked up and supplied to the washing / dehydrating tank 6.
  • the water level of the liquid detergent charging section 21 falls below the siphon inlet 33, air enters from the siphon inlet 33 and the siphon operation ends.
  • the water injected from the liquid detergent water injection port 28b has the position 35a (arrow a) on which the front side water on the front side of the siphon structure of the liquid detergent charging section 21 falls and the siphon structure.
  • the water lands on both of the positions 35b (arrow b) where the water on the rear side of the back side of the water falls.
  • the landed water collides with the cleaning liquid collected in the liquid detergent charging section 21 to generate air bubbles.
  • air bubbles invade the siphon structure an air layer is formed in the upper part inside the siphon structure, and the siphon operation may be interrupted even during water supply.
  • the air bubbles generated on the front side of the siphon structure of the liquid detergent charging unit 21 move upward along the side walls on the front side and the side surface side of the cap 23 (arrow c). Therefore, the air bubbles generated on the front side of the siphon structure move to the upper layer of the cleaning liquid.
  • a siphon inlet 33 is provided between the side wall of the cap 23 and the inner bottom surface of the liquid detergent charging unit 21. Therefore, there is a possibility that air bubbles may enter from the siphon inlet 33.
  • the wall 31 is formed so as to surround the periphery of the back surface side of the recess 30, the bubbles move upward along the semicircular portion 31a of the wall 31 (arrow d). Therefore, the air bubbles generated on the back side of the siphon structure move to the upper layer of the cleaning liquid. That is, the air bubbles generated in the liquid detergent charging unit 21 move to the upper layer of the cleaning liquid.
  • the siphon inflow port 33 is invaded from the liquid which is the cleaning liquid from which the air bubbles in the lower layer have been removed.
  • the cleaning liquid from which air bubbles have been removed passes through the straight portion 31b of the wall 31, flows down into the recesses 30 from both sides, and is sucked into the siphon structure.
  • air bubbles generated on the back surface side of the siphon structure of the liquid detergent charging unit 21 are suppressed from entering the siphon inlet 33, and the siphon operation is interrupted by the intrusion of air bubbles generated during water supply from the water injection device 9. Can be suppressed.
  • the wall 31 includes a semicircular portion 31a having a center of curvature on the discharge path side. Therefore, compared to the case of a wall formed in a straight line, the structure is such that it is less likely to collide with water and generate bubbles.
  • the washing machine in the present disclosure includes a main body 1, an outer tub 14 that is vibration-proof supported in the main body 1, a washing / dehydrating tub 6 that is rotatably supported in the outer tub 14 and stores laundry, and a substantially box shape.
  • the liquid agent case 5 which is formed in the above and supplies the liquid agent which has been charged into the inside into the outer tub 14 or the washing / dehydrating tub 6 and the water injection device 9 which injects water into the liquid agent case 5 are provided.
  • the inside of the liquid detergent input portion 21 which is a part of the detergent case 5 is composed of a pipeline portion 26 and a cap 23, and is substantially reversed including a suction cylinder shape portion 32, an upper curved communication portion 34, and a discharge cylinder shape portion 29.
  • a wall 31 extending vertically is formed between the position where the water of the water injection device 9 falls and the siphon inlet 33 which is the inlet of the discharge path.
  • the wall 31 may be a semicircular portion 31a formed in a substantially arc shape having a center of curvature on the siphon structure side.
  • the siphon inlet 33 is provided on the side where the water of the liquid detergent water injection port 28b falls, and the wall 31 is the position where the water of the liquid detergent water injection port 28b falls and the siphon. It may be arranged between the inlet 33 and the inlet 33.
  • the wall 31 can be provided at a position where air bubbles are effectively suppressed from the siphon inflow port 33, the liquid in the liquid agent case 5 can be surely poured into the washing / dehydrating tank 6.
  • a vertical washing machine has been described as an example of the washing machine.
  • the washing machine is not limited to the vertical washing machine as long as it has a siphon structure and a liquid is charged.
  • the washing machine may be a drum type washing machine or a two-tank type washing machine.
  • the wall 31 formed in a semicircular shape has been described as an example of the wall.
  • the wall is not limited to a semicircular shape as long as it is formed between the position where the water of the water injection device falls and the discharge path.
  • the wall may be substantially rectangular or curved.
  • the wall 31 provided in the liquid detergent charging section 21 has been described. Since the wall suppresses the intrusion of air bubbles into the discharge path to be discharged to the outside by the principle of siphon, the wall may be provided in the softener charging portion.
  • This disclosure is applicable to a device that injects a liquid due to the siphon structure.
  • the present disclosure is applicable to a vertical washing machine, a drum type washing machine, a two-tank type washing machine, a beverage dispenser, and the like.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

Une machine à laver selon la présente invention comprend : un corps ; une cuve extérieure supportée de manière à amortir les vibrations à l'intérieur du corps ; une cuve de lavage et de vidange supportée rotative à l'intérieur de la cuve extérieure ; un boîtier d'agent liquide (5) qui a sensiblement la forme d'une boîte et fournit un agent liquide chargé en son sein à l'intérieur de la cuve extérieure ou de la cuve de lavage et de vidange ; et un dispositif d'injection d'eau qui injecte de l'eau dans le boîtier d'agent liquide (5). L'intérieur du boîtier d'agent liquide (5) est pourvu d'un trajet d'évacuation qui a une forme de U sensiblement inversé et qui évacue le liquide à l'intérieur du boîtier d'agent liquide à l'extérieur selon le principe du siphon, et une paroi (31) qui s'étend verticalement est formée entre une position dans laquelle l'eau provenant du dispositif d'injection d'eau tombe et le trajet d'évacuation.
PCT/JP2021/030839 2020-09-18 2021-08-23 Machine à laver WO2022059435A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180062174.9A CN116057221A (zh) 2020-09-18 2021-08-23 洗衣机
BR112023002373A BR112023002373A2 (pt) 2020-09-18 2021-08-23 Máquina de lavar

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020157253A JP7394288B2 (ja) 2020-09-18 2020-09-18 洗濯機
JP2020-157253 2020-09-18

Publications (1)

Publication Number Publication Date
WO2022059435A1 true WO2022059435A1 (fr) 2022-03-24

Family

ID=80776892

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/030839 WO2022059435A1 (fr) 2020-09-18 2021-08-23 Machine à laver

Country Status (5)

Country Link
JP (1) JP7394288B2 (fr)
CN (1) CN116057221A (fr)
BR (1) BR112023002373A2 (fr)
TW (1) TW202214932A (fr)
WO (1) WO2022059435A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130587U (fr) * 1986-02-07 1987-08-18
JPH09228429A (ja) * 1996-02-21 1997-09-02 Matsushita Seiko Co Ltd 雨水分流集水装置および雨水処理装置
JP2008099920A (ja) * 2006-10-20 2008-05-01 Matsushita Electric Ind Co Ltd 洗濯機
JP2017074284A (ja) * 2015-10-16 2017-04-20 パナソニックＩｐマネジメント株式会社 洗濯機
JP2018075422A (ja) * 2017-12-28 2018-05-17 日立アプライアンス株式会社 ドラム式洗濯機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130587U (fr) * 1986-02-07 1987-08-18
JPH09228429A (ja) * 1996-02-21 1997-09-02 Matsushita Seiko Co Ltd 雨水分流集水装置および雨水処理装置
JP2008099920A (ja) * 2006-10-20 2008-05-01 Matsushita Electric Ind Co Ltd 洗濯機
JP2017074284A (ja) * 2015-10-16 2017-04-20 パナソニックＩｐマネジメント株式会社 洗濯機
JP2018075422A (ja) * 2017-12-28 2018-05-17 日立アプライアンス株式会社 ドラム式洗濯機

Also Published As

Publication number Publication date
JP2022051013A (ja) 2022-03-31
CN116057221A (zh) 2023-05-02
BR112023002373A2 (pt) 2023-04-04
JP7394288B2 (ja) 2023-12-08
TW202214932A (zh) 2022-04-16

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