WO2019237934A1 - Machine à laver à chargement frontal et système de pulvérisation associé - Google Patents

Machine à laver à chargement frontal et système de pulvérisation associé Download PDF

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Publication number
WO2019237934A1
WO2019237934A1 PCT/CN2019/089228 CN2019089228W WO2019237934A1 WO 2019237934 A1 WO2019237934 A1 WO 2019237934A1 CN 2019089228 W CN2019089228 W CN 2019089228W WO 2019237934 A1 WO2019237934 A1 WO 2019237934A1
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WO
WIPO (PCT)
Prior art keywords
washing machine
nozzles
drum washing
outer cylinder
spraying system
Prior art date
Application number
PCT/CN2019/089228
Other languages
English (en)
Chinese (zh)
Inventor
吕佩师
许升
赵志强
赵新宇
Original Assignee
青岛海尔滚筒洗衣机有限公司
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 青岛海尔滚筒洗衣机有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Priority to JP2020567503A priority Critical patent/JP2021526418A/ja
Publication of WO2019237934A1 publication Critical patent/WO2019237934A1/fr

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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
    • 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
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • 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

Definitions

  • the invention belongs to the technical field of laundry treatment equipment, and specifically provides a drum washing machine and a spraying system thereof.
  • the existing drum washing machine originated in Europe, and mainly includes a box body, an outer tube, and an inner tube from the outside to the inside.
  • the drum washing machine works in a similar way to hammering clothes with a hammer.
  • the inner cylinder is driven by the driving motor. With the rotation of the inner cylinder, the laundry is continuously lifted and dropped in the drum, and then lifted and dropped again, and repeat the exercise. With the help of washing powder and water, the laundry is washed clean.
  • a drum type washing machine disclosed in a patent document with a publication number of CN204982446U includes a body, a drum, and a tub in order from the outside to the inside.
  • the bucket is provided with a bucket frame, and the bucket frame is provided with a spray hole for spraying water into the drum and a flow guiding mechanism for guiding the spray water to flow circumferentially. After the water column coming out of the spray hole is sprayed to the deflection mechanism, the width is enlarged, and the water column is adjusted to fan-shaped spray to the inner cylinder.
  • the drum type washing machine disclosed in Patent Publication No. CN204982446U has strong cleaning ability for clothes, the structure of the spray hole and the flow guide structure is complicated, and the production cost is high.
  • the spray hole at the lowest position may be submerged by the washing water in the outer cylinder, and the washing water may not be normally sprayed.
  • the present invention provides a A spraying system of a drum washing machine, the drum washing machine comprising a box body, an outer tube fixedly disposed in the box body, and an inner tube rotatably disposed in the outer tube, the spraying system including a circulation pump , A circulating water pipe and a plurality of nozzles; a water inlet of the circulating pump opens into the outer cylinder, and a water outlet of the circulating pump communicates with the multiple nozzles through the circulating water pipe respectively, and the circulating pump is used for Pumping the washing water in the outer cylinder to the plurality of nozzles; the plurality of nozzles are arranged near the front end of the outer cylinder, and the spray port of each of the nozzles is directed to the inner cylinder; wherein,
  • a vertical distance exists between the lowest position height of the plurality of nozzles and the lowest position of the inner side wall of the outer cylinder, and the vertical distance and the outer cylinder
  • the ratio of the inner diameters of is less than 0.5.
  • a ratio of the vertical distance to an inner diameter of the outer cylinder is less than 0.25.
  • a ratio of the vertical distance to an inner diameter of the outer cylinder is equal to 0.1.
  • the plurality of nozzles are all disposed on a sealing window mat of the drum washing machine, and the sealing window mat is disposed between the box body and the outer tub.
  • the spraying system further includes a plurality of semi-annular structures which are fixed together or integrated with the sealing window pad, and each of the semi-annular structures surrounds one of the Nozzle settings.
  • the spraying system further includes an annular cavity connected to or integrally formed with the plurality of nozzles, and the annular cavity is connected with the plurality of nozzles and the circulating water pipe.
  • the water outlets are connected respectively.
  • a mounting bracket is provided on the annular cavity, and the annular cavity is fixed to the outer cylinder through the mounting bracket.
  • the plurality of nozzles are disposed at equal intervals around the axis of the outer cylinder.
  • the present invention also provides a drum washing machine.
  • the drum washing machine includes the sprinkler system according to any one of the preferred technical solutions of the sprinkler system.
  • each nozzle by setting each nozzle so that its position height in the vertical direction is greater than the height of the bottom of the outer cylinder mouth edge of the outer cylinder, it is possible to Effectively avoid the situation that the washing water in the outer tub submerged the nozzles, so that each nozzle can work normally when the drum washing machine is working. Further, by setting the nozzle in the above-mentioned situation, it is possible to avoid the situation where the nozzle with a lower position catches the clothes as much as possible, and it is convenient for the user to put the clothes in or take out the clothes from the inner drum.
  • FIG. 1 is a front view of a drum washing machine of the present invention
  • FIG. 2 is a cross-sectional view taken along the A-A direction of FIG. 1;
  • Figure 3 is a sectional view taken along the direction B-B of Figure 1;
  • FIG. 4 is a first side view of an outer cylinder portion of the present invention.
  • FIG. 5 is a second side view of an outer cylinder portion of the present invention.
  • FIG. 6 is a front view of an outer cylinder portion of the present invention.
  • FIG. 7 is a rear view of an outer cylinder portion of the present invention.
  • Fig. 8 is a sectional view taken along the C-C direction in Fig. 6.
  • the outer cylinder of the drum washing machine of the present invention is not limited to the horizontal arrangement shown in the drawings, and the outer cylinder of the drum washing machine of the present invention may also be arranged obliquely. Those skilled in the art can adjust it as needed to suit specific applications. The adjusted technical solution will still fall into the protection scope of the present invention.
  • the terms “installation”, “connected”, and “connected” should be understood in a broad sense unless otherwise specified and limited. For example, they may be fixed connections or removable. Connected, or integrated; they can also be indirectly connected through an intermediate medium, which can be the internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
  • the drum washing machine of the present invention mainly includes a box body 1, an outer tube 2, an inner tube 3, a door body 4, a sealed window pad 5, a counterweight 6, a water outlet pipe 7, a circulation pump 8, and drainage. Tube 9 and circulating water tube 10.
  • the outer tube 2 is fixedly disposed in the box body 1
  • the inner tube 3 is rotatably disposed in the outer tube 2
  • the sealing window pad 5 is disposed between the box body 1 and the outer tube 2.
  • the counterweight 6 is installed on the outer cylinder 2 and is used to increase the inertia of the outer cylinder 2 and reduce the vibration amplitude of the outer cylinder 2 when the inner cylinder 3 runs.
  • the water outlet pipe 7, the circulation pump 8, the drainage pipe 9, and the circulation water pipe 10 are all disposed in the cabinet 1, and the circulation pump 8 is fixed to the cabinet 1, or a person skilled in the art can also according to requirements
  • the circulation pump 8 is fixed to the outer cylinder 2.
  • the circulation pump 8 includes a water inlet and two water outlets. Among them, the water inlet of the circulation pump 8 is connected to one end of the water outlet pipe 7, the other end of the water outlet pipe 7 is connected to the bottom end of the outer cylinder 2, and the water inlet of the circulation pump 8 and the outer cylinder 2 are thus communicated.
  • One water outlet of the circulation pump 8 is connected to one end of the drain pipe 9, and the other end of the drain pipe 9 is open to the outside.
  • the other water outlet of the circulating pump 8 is connected to one end of the circulating water pipe 10, and the other end of the circulating water pipe 10 opens into the outer cylinder 2.
  • the circulation pump 8 is a bi-directional rotary pump.
  • the circulation pump 8 When the circulation pump 8 rotates forward, the circulation pump 8 pumps wash water to the drain pipe 9; when the circulation pump 8 reverses, the circulation pump 8 will wash Water is pumped to the circulating water pipe 10.
  • those skilled in the art can also set the circulation pump 8 to have only one water outlet as required, and make the water outlet communicate with the circulation water pipe 10. Then, a separate water pump or shut-off valve is provided for the drain pipe 9, and the wash water in the outlet pipe 7 flows to the drain pipe 9 by opening the water pump or the shut-off valve.
  • the front end of the box 1 (the right side of the box 1 in FIG. 3) is provided with a box mouth (not shown), and the front end of the outer tube 2 (the right side of the outer tube 2 in FIG. 3)
  • the outer cylinder mouth (not shown in the figure)
  • the front end of the inner cylinder 3 (the right side of the inner cylinder 3 in FIG. 3) is provided with the inner cylinder mouth (not shown in the figure).
  • One end of the sealing window pad 5 is sealingly connected to the edge of the box mouth, and the other end of the sealing window pad 5 is sealingly connected to the edge of the outer cylinder mouth.
  • the door body 4 is pivotally disposed on the box body 1, and when the door body 4 is closed, the mouth of the box body can be closed to prevent the washing water in the outer cylinder 2 from overflowing from the box body mouth.
  • the drum washing machine of the present invention further includes a spraying system.
  • the spraying system mainly includes a circulating pump 8, a circulating water pipe 10, an annular cavity 11, and a plurality of nozzles 12.
  • the circulation pump 8 is as described above.
  • the annular cavity 11 is provided at the front end of the outer cylinder 2 and is fixedly connected to the outer cylinder 2 or the counterweight 6.
  • a mounting bracket (not shown in the figure) is provided on the annular cavity 11, and the annular cavity 11 is fixed to the outer cylinder 2 or the counterweight 6 through the mounting bracket.
  • the mounting bracket can be fixed to the outer cylinder 2 or the counterweight 6 by any feasible connection method, such as bolt connection, screw connection, snap connection, bolt connection, and the like.
  • the annular cavity 11 is provided with a water inlet and a plurality of water outlets.
  • the inlet of the annular cavity 11 communicates with the end (outlet end) of the circulating water pipe 10 away from the circulating pump 8.
  • a nozzle 12 is connected to each water outlet.
  • the circulation pump 8 can pump the washing water to the plurality of nozzles 12 through the circulating water pipe 10, and then the nozzles 12 spray the washing water into the inner cylinder 3.
  • the nozzle 12 can be connected with the annular cavity 11 by any feasible connection form, for example, by integral injection molding with the annular cavity 11 and can be connected by plugging, screwing, or welding. , Ultrasonic welding, etc. are connected together.
  • a plurality of nozzles 12 are arranged on the sealing window pad 5 at equal intervals along the circumferential direction of the sealing window pad 5, and the spraying port of each nozzle 12 is directed to the inner cylinder 3. So that multiple nozzles 12 can collectively provide a uniform water flow to the inner cylinder 3 (as shown in FIG. 1).
  • the number of the nozzles 12 may be any value, such as five, six, eight, nine, and the like.
  • those skilled in the art may also arrange a plurality of nozzles 12 on the sealing window gasket 5 at non-equidistances as required.
  • those skilled in the art can also set a plurality of nozzles 12 at any position near the front end of the outer cylinder 2 according to needs, for example, at the edge of the outer cylinder mouth or on the door body 4.
  • the height of each nozzle 12 in the vertical direction is greater than the height of the bottom of the outer cylinder mouth edge of the outer cylinder 2 in order to prevent the detergent 12 from flooding the nozzle 12 in the outer cylinder 2.
  • the height of the washing water in the outer cylinder 2 is not higher than the edge of the outer cylinder mouth. The details are described below.
  • the six nozzles 12 are arranged symmetrically with respect to the vertical direction. Or a person skilled in the art can also make the six nozzles 12 not symmetrically arranged with respect to the vertical direction according to needs.
  • the inner diameter of the outer tube 2 is d.
  • H there is a vertical distance H between the (two) nozzles 12 having the lowest position height among the six nozzles 12 and the lowest point of the inner wall of the outer cylinder 2.
  • those skilled in the art can also set the ratio of the vertical distance H to the inner diameter d of the outer cylinder to any other feasible value, such as 0.05, 0.2, 0.4, 0.5, 0.6, 0.7, etc., as needed. As long as the height of the position of each nozzle 12 is higher than the bottommost height of the outer cylinder mouth edge of the outer tub 2 when the drum washing machine is in operation, it is particularly higher than the normal liquid level of the washing liquid in the outer tub 2.
  • the sealing window pad 5 is provided with a plurality of through holes (not shown in the figure) corresponding to the number of the nozzles 12, and the diameter of each through hole is smaller than the diameter of the nozzle 12 so that the nozzle 12 and the sealing window
  • the pads 5 are connected together by an interference fit, and thus the seal between the nozzle 12 and the sealing window pad 5 is achieved.
  • those skilled in the art can also set the through holes on the sealing window pad 5 as other installation holes in any form, such as threaded holes, splined holes, tapered holes, polygonal holes, and the like.
  • a plurality of semi-annular structures 51 corresponding to the number of the nozzles 12 are provided inside the sealing window pad 5.
  • the semi-annular structure 51 is arranged around the through hole, so that each semi-annular structure 51 can surround one nozzle 12 respectively, preventing the nozzle 12 from catching clothes.
  • the semi-annular structure 51 and the sealing window pad 5 can be connected together in any feasible manner, such as integral injection molding, welding, ultrasonic welding, and the like.
  • the drum washing machine of the present invention not only simplifies the installation structure of the nozzle 12 by arranging the nozzles 12 on the sealing window gasket 5 at equal intervals, but also maintains the original structure of the outer cylinder 2 and reduces the drum.
  • the production cost of the washing machine can also provide the laundry in the inner tub 3 with a circular spray of washing water as shown in FIG. 1.
  • each nozzle 12 by setting each nozzle 12 so that its height in the vertical direction is greater than the liquid level of the washing water in the outer cylinder 2, the situation that the washing water in the outer cylinder 2 floods the nozzle 12 is avoided, so that Each of the nozzles 12 can work normally when the drum washing machine is working, and at the same time, the situation where the lower nozzle 12 is caught by the clothes is avoided, and the user can put the clothes in or take out the clothes from the inner drum.
  • nozzle 12 can also set the nozzle 12 at any feasible position according to needs.
  • a plurality of nozzles 12 are disposed at equal intervals at the edges of the outer cylinder mouth.
  • a plurality of nozzles 12 are provided on the door body 4 at equal intervals.
  • those skilled in the art may also set a plurality of water pipes according to requirements, so that each nozzle 12 can communicate with the water outlet of the circulation pump 8 through a water pipe individually.

Abstract

L'invention concerne une machine à laver à chargement frontal et un système de pulvérisation associé. Le système de pulvérisation comprend une pompe de circulation (8), un tuyau d'eau de circulation (10) et multiples buses (12) ; une entrée d'eau de la pompe de circulation est en communication avec l'intérieur d'une cuve externe (2), une sortie d'eau de la pompe de circulation est en communication séparée avec les multiples buses au moyen du tuyau d'eau de circulation, et la pompe de circulation est utilisée pour pomper de l'eau de lavage dans la cuve externe vers les multiples buses ; les multiples buses sont toutes disposées à proximité de l'extrémité avant de la cuve externe, et un orifice de pulvérisation de chaque buse pointe vers une cuve interne ; la position de chaque buse dans une direction verticale est supérieure au fond du bord d'un orifice de cuve externe de la cuve externe. La machine à laver à chargement frontal de la présente invention peut efficacement éviter une situation dans laquelle l'eau de lavage submerge les buses dans la cuve externe, de telle sorte que chaque buse peut fonctionner normalement lorsque la machine à laver à chargement frontal fonctionne.
PCT/CN2019/089228 2018-06-15 2019-05-30 Machine à laver à chargement frontal et système de pulvérisation associé WO2019237934A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020567503A JP2021526418A (ja) 2018-06-15 2019-05-30 ドラム洗濯機及びそのスプレーシステム

Applications Claiming Priority (2)

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CN201810617338.XA CN110607662A (zh) 2018-06-15 2018-06-15 滚筒洗衣机及其喷淋系统
CN201810617338.X 2018-06-15

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WO2019237934A1 true WO2019237934A1 (fr) 2019-12-19

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Citations (7)

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CN2372345Y (zh) * 1999-05-12 2000-04-05 海尔集团公司 滚筒洗衣机的喷淋装置
CN1580374A (zh) * 2003-08-07 2005-02-16 Lg电子株式会社 洗衣机
CN102341540A (zh) * 2009-02-16 2012-02-01 Lg电子株式会社 洗衣机及洗涤方法
JP2012055405A (ja) * 2010-09-07 2012-03-22 Panasonic Corp 洗濯機
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JP6415858B2 (ja) * 2014-06-03 2018-10-31 アクア株式会社 洗濯機
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2372345Y (zh) * 1999-05-12 2000-04-05 海尔集团公司 滚筒洗衣机的喷淋装置
CN1580374A (zh) * 2003-08-07 2005-02-16 Lg电子株式会社 洗衣机
CN102341540A (zh) * 2009-02-16 2012-02-01 Lg电子株式会社 洗衣机及洗涤方法
JP2012055405A (ja) * 2010-09-07 2012-03-22 Panasonic Corp 洗濯機
CN202543652U (zh) * 2012-03-09 2012-11-21 海尔集团技术研发中心 洗衣机喷淋装置及具有该喷淋装置的洗衣机
CN105839346A (zh) * 2016-05-19 2016-08-10 无锡小天鹅股份有限公司 滚筒洗衣机和用于滚筒洗衣机的洗涤方法
CN208562876U (zh) * 2018-06-15 2019-03-01 青岛海尔滚筒洗衣机有限公司 滚筒洗衣机及其喷淋系统

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