WO2017148368A1 - 洗衣机 - Google Patents

洗衣机 Download PDF

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Publication number
WO2017148368A1
WO2017148368A1 PCT/CN2017/075185 CN2017075185W WO2017148368A1 WO 2017148368 A1 WO2017148368 A1 WO 2017148368A1 CN 2017075185 W CN2017075185 W CN 2017075185W WO 2017148368 A1 WO2017148368 A1 WO 2017148368A1
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WO
WIPO (PCT)
Prior art keywords
tub
side opening
laundry
inner tub
washing machine
Prior art date
Application number
PCT/CN2017/075185
Other languages
English (en)
French (fr)
Inventor
米泽孝昭
川口智也
佐藤弘树
马场义一
大西崇之
中川亘
Original Assignee
青岛海尔洗衣机有限公司
海尔亚洲株式会社
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 青岛海尔洗衣机有限公司, 海尔亚洲株式会社 filed Critical 青岛海尔洗衣机有限公司
Priority to EP17759219.3A priority Critical patent/EP3425101A4/en
Priority to KR1020187006477A priority patent/KR20180035901A/ko
Priority to US15/771,034 priority patent/US20180371668A1/en
Priority to CN201780002627.2A priority patent/CN107849779B/zh
Publication of WO2017148368A1 publication Critical patent/WO2017148368A1/zh

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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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • 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 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a vertical axis
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/266—Gaskets mounted between tub and casing around the loading opening

Definitions

  • the present invention relates to a washing machine that is primarily suitable for home use.
  • the vertical washing machine supports the four portions of the outer tub by the hanger, thereby preventing the vibration of the outer tub and the inner tub in the vicinity of the resonance point (for example, refer to Patent Document 1).
  • the boom extends obliquely upward from the lower end of the outer tub, and supports the outer tub via the damper spring. The dead angle between the corner of the casing and the outer tub in a plan view is used as a storage place.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2005-253626
  • the vertical washing machine is also supported by a damper from the lower surface of the outer tub, similarly to a horizontal washing machine called a drum type.
  • the damper is placed near the bottom wall of the casing in consideration of the propagation of the vibration to the casing, but in the case where the structure is applied, the outer barrel is compared with the structure of the sling The position becomes lower, so if the height position of the operation panel or the like of the casing cover is the same as that of the hanger, the distance between the outer tub/inner barrel and the opening of the casing cover portion is larger than that of the washing machine to which the hanger is applied. This new issue.
  • the present invention has been made to effectively solve such problems, and an object thereof is to provide a A washing machine which employs a support structure which has not been hitherto, and which suppresses vibration during operation as much as compared with a structure in which a boom is applied.
  • the present invention has been made in view of the above problems.
  • the washing machine of the present invention has an inner tub that accommodates laundry, and has an inner tub side opening, an outer tub that houses the inner tub, and a casing that houses the inner tub and the outer tub, and is characterized in that: And erected from the bottom wall, absorbing vibration of the outer tub and supporting a lower end of the outer tub; and a hopper disposed between the inner tub side opening and the cover side opening, The laundry is guided from the lid side opening to the inner tub side opening.
  • the present invention is characterized in that the washing tub is formed in a substantially conical shape, and has a lower end portion connected to the upper end portion of the inner tub, and a large-diameter upper end portion configured to gradually increase the diameter from the lower end portion toward the upper portion.
  • the present invention is characterized in that at least a part of the casing and the laundry tub are made transparent or translucent.
  • the present invention is characterized in that the laundry tub is composed of a material having a specific gravity smaller than that of the outer tub and the inner tub.
  • the present invention is characterized in that the laundry bucket functions as a heightening bucket for storing water having a water level higher than the upper end of the inner tub.
  • the present invention is characterized in that the laundry hopper has an extending portion extending from an inner circumference of the outer tub to an inner tub side opening, and a laundry bucket main body integrally erected from the extending portion.
  • the present invention includes: a damper that is erected from a bottom wall of the casing, absorbs vibration of the outer tub, and supports a lower end of the outer tub; and a laundry bucket that is disposed at the inner tub side opening and the lid side opening Between the introduction and the take-out of the laundry from the lid side opening to the inner tub side opening, thereby eliminating abnormal noise caused by the sliding contact between the hanging rod and the outer tub by removing the hanging rod, By supporting the bottom wall of the casing via the damper, the influence of the vibration caused by the overturning moment on the casing is effectively suppressed. In addition, by sandwiching the washing tub between the casing and the inner tub, even if the distance between the inner tub side opening and the lid side opening is pulled apart, the take-out of the laundry can be appropriately guided.
  • the laundry tub is formed into a substantially tapered shape having a lower end portion and an upper barrel
  • the end portion of the large diameter is configured to gradually increase the diameter from the lower end portion toward the upper side, in other words, the inverted truncated cone shape or the substantially mortar shape is adopted, so that the upper end portion of the laundry bucket can be obtained larger than the inner tub.
  • the opening area allows the convenience of taking out the laundry to be further improved.
  • At least a part of the casing and the washing tub are made transparent or translucent, and therefore, in addition to the design appearance, the visibility of the washing state and the visual confirmation of the defective portion are improved.
  • the laundry hopper is made of a material having a specific gravity smaller than that of the outer tub and the inner tub, the weight of the member supported by the damper can be increased, whereby the natural frequency can be increased, and the vibration during normal dehydration can be reduced.
  • the washing tub functions as a heightening tub for storing water having a water level higher than the upper end of the inner tub, and therefore, the same effect as increasing the inner tub volume can be obtained.
  • the laundry tub has: an extending portion extending from an inner circumference of the outer tub to the inner tub side opening; and a laundry tub body integrally provided upright from the extending portion, and thus, regardless of materials used, Can effectively improve the strength of the laundry bucket.
  • Fig. 1 is a perspective view showing an appearance of a washing machine in accordance with an embodiment of the present invention.
  • Fig. 2 is another perspective view of the same embodiment.
  • Fig. 3 is a side cross-sectional view of the same embodiment.
  • Fig. 6 is an enlarged view of a portion A of Fig. 3;
  • FIG. 1 is a perspective view showing an outer shape of a washing machine 1 according to the present embodiment.
  • FIG. 2 is an external view showing a state of confirmation in the washing machine 1 of the present embodiment.
  • 3 is a cross-sectional view showing the main internal structure of the same washing machine 1. In FIG. 3, the illustration of the driving portion of the washing machine 1, the portion related to the control, and the portion related to the control is omitted as appropriate.
  • the washing machine 1 of the present embodiment can be suitably used, for example, in a home, and has an inner tub 4 for accommodating laundry, an outer tub 3 for accommodating the inner tub 4, and a casing 2 for accommodating the inner tub so as to be visually recognized from the outside. 4 and the outer bucket 3. Further, in addition to the outer tub 3, the inner tub 4, and the cabinet 2, the washing machine 1 further has a washing tub 7 attached to an upper portion of the outer tub 3, a damper 6 mounted on a lower side of the outer tub 3, and a labyrinth The seal ring portion 8 is disposed between the upper end of the outer tub 3 and the inner tub 4.
  • the washing machine 1 of the present embodiment includes a casing 2 having a casing main body 20, a fixing cover 24, and a movable cover 25, and the casing main body 20 is provided to accommodate the outer tub 3, and has an outer tub supported from below.
  • the bottom wall 21 of the 3 is opened, the upper end is open, the fixed cover 24 is fixed to the upper end of the casing main body 20, and the movable cover 25 is movably disposed on the fixed cover 24, so that the upper end of the casing main body 20 is selectively opened to the outside.
  • the cover side opening 28 that opens the inner tub side opening 43 formed at the upper end portion of the inner tub 4 upward can be formed in the fixed cover 24; the damper 6 is erected from the bottom wall 21, absorbs the vibration of the outer tub 3, and supports the outer The lower end of the tub 3; and the laundry tub 7 are disposed between the inner tub side opening 43 and the cover side opening 28 for guiding the laundry to be inserted from the cover side opening 28 to the inner tub side opening 43 or from the inner tub side opening 43 to the cover side opening. 28 removed.
  • the casing 2 is formed in a substantially cylindrical shape with a bottom, and is separated from the outer tub 3 accommodated inside by a substantially uniform size in plan view.
  • the casing 2 has a casing main body 20, and a cylindrical tubular body 22 whose upper end is open is a main body; and a bottom wall 21 is provided at a lower end of the casing main body 20, that is, the cylindrical body 22, and supports the outer tub 3 from below.
  • the fixing cover 24 is fixed to the upper end of the casing main body 20, and has a circular ring shape in plan view; and the movable cover 25 is formed in a substantially circular shape in plan view, and is movably disposed on the fixing cover 24 so that the upper end of the casing main body 20
  • the cover side opening 28 that opens the inner tub side opening 43 formed at the upper end portion of the inner tub 4 upward can be formed by selectively opening to the outside.
  • the casing main body 20 has a tubular body 22 formed in a cylindrical shape, for example, transparent or translucent acrylic.
  • the wiring cover 23 is provided above and below the cylindrical body 22 for accommodating various wirings, and the bottom wall 21 supports the outer tub 3 indirectly from the lower side on the bottom surface side of the casing main body 20.
  • the fixed cover 24 has a cover side opening 28 that is opened in a substantially circular shape on the inner peripheral side, and has a hinge portion 26 that supports the movable cover 25 in an openable and closable manner. Further, a water supply portion 27 is provided which is provided at a position displaced from the hinge portion 26 in the circumferential direction for supplying water to the inner tub 4.
  • the outer tub 3 is a bottomed cylindrical member disposed inside the casing 2, and can store washing water therein.
  • the outer tub 3 has an outer tub 31 for storing water, an outer tub 32 disposed at an upper end of the outer tub 31, and a seal water seal portion 34 sandwiched between the outer tub 31 and the outer tub 32.
  • the seal water seal portion 34 has a water seal member 36 disposed on the lower side of the outer tub 32, and a packing 35 for preventing water leakage. Further, a specific configuration of the vicinity of the seal water seal portion 34 will be described later.
  • the inner tub 4 is a bottomed cylindrical member that is disposed coaxially with the outer tub 3 in the outer tub 3 and that is rotatably supported.
  • the inner tub 4 is generally capable of containing laundry inside and has a plurality of water holes on its wall surface.
  • a balancer 41 is provided on the upper end side of the inner circumferential surface of the inner tub 4, and protrudes inward in an annular shape; and three baffles 42 are disposed under the balancer 41. Protruding laterally inward.
  • a pulsator (agitating blade) 5 driven by a driving device 50 illustrated by a virtual line is rotatably disposed at the center of the bottom of the inner tub 4.
  • the pulsator 5 generally has a pulsator body having a substantially disk shape and a plurality of blade portions formed on the upper surface of the pulsator body. Such a pulsator 5 agitates the washing water stored in the outer tub 3 to generate a water flow.
  • the driving device 50 shows the position only by an imaginary line.
  • a motor (not shown) is mainly used to rotate the drive shaft that extends toward the bottom of the inner tub 4, thereby causing the inner tub 4 and the wave.
  • Wheel 5 rotates.
  • the washing machine 1 mainly rotates only the pulsator 5 during the washing process, and the inner tub 4 and the pulsator 5 are integrally rotated at a high speed during the dehydration process.
  • the washing machine 1 of the present embodiment avoids the arrangement of the hanging stick, thereby further improving the visibility of the laundry from above, which will be described later in detail.
  • the damper 6 serves to support the outer tub 3 during operation from below, and effectively reduces the vibration generated by the outer tub 3 during operation.
  • the damper 6 has an inner shaft 61 fixed to the bottom wall 21 of the casing 2; An outer shaft 62 covering the outer side of the inner shaft 61 and fixed to the outer tub 3 side; and a spring 63 as a compression coil spring interposed between the lower end of the outer shaft 62 and the bottom wall 21 side of the casing 2 for passage
  • the vibration transmitted to the casing 2 is alleviated according to the up-and-down movement or vibration of the outer tub 3 appropriately.
  • a cushion rubber 64 is provided between the outer shaft 62 and the outer tub 3 and between the inner shaft 61 and the bottom wall 21. In the present embodiment, as shown in FIGS.
  • the damper 6 is disposed at a position of the maximum diameter or in the vicinity thereof in a range in which the damper 6 does not protrude from the bottom of the outer tub 3.
  • the spring 63 lowers the spring constant to such an extent that the spring does not adhere to each other during dehydration, and is such a degree that the outer tub 3 does not incline during operation.
  • the laundry tub 7 is provided in a nip manner on the upper side of the outer tub 3, specifically, from the cover side opening 28 of the fixed cover 24 to the inner tub side opening 43.
  • the washing tub 7 is provided between the cover side opening 28 and the inner tub side opening 43 as a guide for guiding the laundry from the cover side opening 28 to the inner tub side opening 43 or from the inner tub side opening 43.
  • the water guiding guide taken out to the cover side opening 28 functions and guides the laundry to be taken in from the cover side opening 28 to the inner tub side opening 43 or taken out from the inner tub side opening 43 to the cover side opening 28.
  • the washing tub 7 is composed of a resin-molded one-piece molded product which is formed to be transparent or translucent, and has a main body 71 for forming a substantially conical shape, that is, a tapered shape, and an extending portion 72 from the lower end portion of the main body 71 of the washing machine. Square extension.
  • the diameter of the opening portion as the inner edge of the extending portion 72 is a diameter substantially corresponding to the opening on the inner tub 4 side.
  • the main body 71 of the washing machine has a large-diameter upper end portion 73, which is opened at an upper end of the main body of the washing machine body 71, and is opened at a larger end than the inner-bucket side opening 43; a folded-back end 74 is provided at the upper end portion 73 of the large diameter; and an overflow hole 75 is An opening provided at any position in the up-and-down intermediate position of the main body of the washing tub 71 is used to set the upper limit water level during the washing process and the rinsing process.
  • the laundry tub 7 sometimes uses a material having a specific gravity smaller than that of the material used for the outer tub 3, and thus has a lightweight structure as compared with the outer tub 3.
  • an overflow pipe 76 is connected to the outside of the overflow hole 75 for draining water from the overflow hole 75 to the body in order to avoid storing water on the upper side of the overflow hole 75. External discharge.
  • the overflow pipe 76 has a portion in which an elliptical shape which is curved in cross section is formed as a main body. Further, since the mechanism and structure for discharging the water from the overflow pipe 76 to the outside of the machine body are prior art, the description is omitted.
  • the cover side opening 28 of the fixing cover 24 is provided.
  • a shape and a size that open the entire upper portion of the inner tub side opening 43 upward are employed, and a shape and a size in which the entire inner tub side opening 43 provided in the upper end portion of the inner tub 4 is opened upward is used.
  • the opening edge of the cover side opening 28 is located outside of any portion of the opening edge of the inner tub side opening 43.
  • the laundry tub 7 functions as a heightening bucket for storing water having a water level higher than the upper end of the inner tub 4. That is, the laundry tub 7 functions as a washing tub.
  • the tubular body 22, the movable cover 25, and the laundry tub 7 of the casing main body 20 are made transparent or translucent, and therefore, during the washing process, the fixing is performed.
  • the lid 24 visually recognizes the laundry that has risen to the vicinity of the water surface of the laundry tub 7 and visually confirms the laundry near the water surface from the side via the tubular body 22 and the laundry tub 7 . In other words, the visualization of the laundry is good.
  • the tubular body 22 transparent or translucent, the visualization of the internal mechanism components is also improved. Thereby, the user's grasp of the operating state and the convenience of the maintenance work are improved.
  • the washing tub 7 functions as a heightening bucket during washing, but by using a substantially conical shape, that is, a taper, the laundry is guided into the inner tub 4 as a dewatering tub during dehydration. It can be reliably accommodated in the inner tub 4.
  • the damper 6 is disposed in the lower portion of the outer tub 3, and the laundry hopper 7 as the heightening tub is configured to be lightweight, thereby improving The natural vibration frequency of the portion supported by the damper 6 can further reduce the vibration at the time of dehydration.
  • the laundry tub 7 is not rotatable by being fixed to the outer tub 3.
  • the inner tub 4 is undoubtedly rotatable, but in spite of this, there is no water from the inner tub 4 and the laundry tub 7 Leaked out.
  • the labyrinth seal portion 8 is formed in a region extending over the upper ends of the tub 7, the outer tub 3, and the inner tub 4, and includes an upper rib 81 which is provided in the laundry.
  • the extending portion 72 of the bucket 7 extends downward in the vertical direction, and the lower rib 82 is provided at the upper end of the inner tub 4 to extend upward in the vertical direction, and the air retaining portion 83.
  • the seal 35 is provided at the upper end of the outer tub 3 and at a position above the virtual plane including the distal end portion of the upper rib 81 in the vertical direction, and seals the upper end of the outer tub 3 and the extended portion 73. Thereby, it is possible to prevent the air of the air retaining portion 83 from being dissipated outside the seal 35 to the outside of the tub 3.
  • the liquid surface in the labyrinth seal portion 8 is formed on substantially the same plane as the tip end portion of the upper rib 81, at the liquid level and at the liquid level
  • An air retention portion 83 is formed between the inner circumferential surfaces of the upper extension portion 72.
  • the sealing member 35 is provided, even if water penetrates beyond the air retention portion 83, it is possible to prevent the outer tub 3 from flowing out. Thereby, the number of the connection parts required for the connection of the outer tub 3 and the washing tub 7 is effectively reduced.
  • the washing machine 1 of the present embodiment includes the damper 6, which is erected from the bottom wall 21 of the casing 2, absorbs the vibration of the outer tub 3, and supports the lower end of the outer tub 3; and the laundry tub 7 is provided. Between the inner tub side opening 43 and the cover side opening 28, the laundry is guided to be taken in from the cover side opening 28 to the inner tub side opening 43 or taken out from the inner tub side opening 43 to the cover side opening 28, thereby removing the hanging stick.
  • the generation of abnormal noise caused by the sliding contact between the boom and the outer tub 3 is eliminated, and the vibration is caused by the damper 6 being supported by the bottom wall 21 of the casing 2, thereby effectively suppressing the influence of the vibration caused by the overturning moment on the casing 2.
  • the washing tub 7 between the casing 2 and the inner tub 4 even if the distance between the inner tub side opening 43 and the lid side opening 28 is pulled apart, the laundry can be appropriately taken out and taken out.
  • the washing tub 7 is formed into a substantially tapered shape, and has a lower end portion that is continuous with the upper end portion of the inner tub 4, and a large-diameter upper end portion 73 that is gradually increased in diameter from the lower end portion toward the upper side, in other words, Since the shape of the inverted truncated cone or the shape of the substantially mortar is used, the opening area of the upper end portion of the washing tub 7 can be made larger than that of the inner tub 4, and the convenience of taking out the laundry can be further improved.
  • At least a part of the casing 2 and the washing tub 7 are made transparent or translucent. Therefore, in addition to the design appearance, the visibility of the washing state and the visibility of the defective portion are improved.
  • the laundry tub 7 is made of a material having a smaller specific gravity than the outer tub 3 and the inner tub 4, so that the member supported by the damper 6 is made lighter, whereby the portion supported by the damper 6 can be improved.
  • the natural vibration frequency reduces the vibration during normal dehydration.
  • the washing tub 7 functions as a heightening bucket for storing water having a water level higher than the upper end of the inner tub 4, and therefore, a simple configuration can be obtained and used, and the inner tub 4 can be raised. The same effect of volume.
  • the laundry tub 7 has the extending portion 72 extending from the inner circumference of the outer tub 3 to the inner tub side opening 43 and the laundry tub main body 71 integrally provided upright from the extending portion 72, and thus, although A lightweight material is used, but as a shape that is difficult to bend, the strength of the laundry tub 7 is effectively increased.
  • the configuration in which the three dampers are disposed is disclosed, but it is needless to say that the method of supporting the outer tub is not hindered from the application of, for example, four or more dampers.
  • the configuration in which the laundry tub is fixed to the outer tub is disclosed, but it is needless to say that a configuration in which the washing tub is disposed on the casing side may be employed, specifically, the fixing cap and the casing main body are fixed to the washing tub.
  • a configuration in which the washing tub is disposed on the casing side may be employed, specifically, the fixing cap and the casing main body are fixed to the washing tub.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

本发明的目的在于提供一种洗衣机，其采用迄今没有的支承结构，并且与应用了吊棒的结构相比能毫不逊色地抑制工作过程中的振动。本发明的洗衣机(1)的特征在于，具备：机壳(2)，其具有机壳主体(20)、固定盖(24)和可动盖(25)，所述机壳主体(20)为了收容外桶(3)而设置，具有从下方支承外桶(3)的底壁(21)，并且使上端敞开，所述固定盖(24)固定于该机壳主体(20)的上端，所述可动盖(25)可活动地设置于所述固定盖(24)，使机壳主体(20)的上端选择性地向外部敞开，并能在固定盖(24)形成使形成于内桶(4)上端部的内桶侧开口(43)向上方敞开的盖侧开口(28)；减振器(6)，从底壁(21)直立设置，吸收外桶(3)的振动，并且支承该外桶(3)的下端；以及洗衣斗(7)，设置于内桶侧开口(43)与盖侧开口(28)之间，用于对洗涤物从盖侧开口(28)向内桶侧开口(43)的投入取出进行引导。

Description

洗衣机 技术领域
本发明涉及一种主要能适于家庭使用的洗衣机。
背景技术
以往，立式洗衣机通过吊棒支承外桶的四个部位，由此防止在共振点附近的外桶、内桶的振动旋转(例如，参照专利文献1)。这种吊棒从外桶的下端向斜上方延伸，经由减振弹簧悬挂支承外桶，将俯视呈矩形的机壳的角部与外桶之间的死角利用为收容场所。
现有技术文献
专利文献
专利文献1：日本特开2005-253626号公报
但是，在应用了如上所述的吊棒的结构的情况下，由于吊棒构成零部件与外桶滑动接触，因此存在不能消除异常噪声产生的可能性这一潜在问题。此外，近来，除了设计性的外观之外，从洗涤状态的可视化、故障部位的视觉确认性等观点出发，也会有想要使洗衣机的机壳透明从而看见内部的要求。为了满足这些要求，吊棒成为障碍，需要重新考虑支承结构。
因此，作为新的支承结构，可以想到：在立式洗衣机中，也与被称为所谓滚筒式那样的卧式洗衣机相同，从外桶的下面用减振器支承。这样的话，首先可以想到：考虑到振动向机壳的传播，从而将减振器设置于机壳底壁附近，但在应用了这种结构的情况下，与吊棒结构相比，外桶的位置变低，因此如果机壳盖部的操作板等的高度位置与吊棒结构相同，则会导致外桶/内桶与机壳盖部的开口的距离比应用了吊棒的洗衣机拉开更大这一新问题。
发明内容
本发明是为了有效地解决这样的问题而完成的发明，其目的在于，提供一 种洗衣机，其采用迄今没有的支承结构，并且与应用了吊棒的结构相比能毫不逊色地抑制工作过程中的振动。
用于解决问题的方案
本发明是鉴于以上问题而完成的技术方案。
即，本发明的洗衣机具有：内桶，收容洗涤物，形成有内桶侧开口；外桶，收容所述内桶；以及机壳，收容所述内桶以及所述外桶，其特征在于，具备：减振器，从所述底壁直立设置，吸收所述外桶的振动，并且支承该外桶的下端；以及洗衣斗(hopper)，设于所述内桶侧开口与所述盖侧开口之间，对洗涤物从所述盖侧开口向所述内桶侧开口的投入取出进行引导。
此外，本发明的特征在于，洗衣斗形成大致锥形，其具有：下端部，与内桶的上端部相连；以及大径上端部，构成为从下端部朝向上方逐渐使直径变大。
此外，本发明的特征在于，将机壳的至少一部分以及洗衣斗设为透明或半透明。
此外，本发明的特征在于，洗衣斗由比重小于外桶以及内桶的材料构成。
此外，本发明的特征在于，洗衣斗作为用于对水位高于内桶的上端的水进行储存的加高桶发挥功能。
此外，本发明的特征在于，洗衣斗具有：延伸部，从外桶的内周延伸至内桶侧开口；以及洗衣斗主体，从该延伸部一体地直立设置。
发明效果
根据以上所说明的本发明，具备：减振器，从机壳的底壁直立设置，吸收外桶的振动，并且支承该外桶的下端；以及洗衣斗，设置于内桶侧开口与盖侧开口之间，用于对洗涤物从所述盖侧开口向所述内桶侧开口的投入取出进行引导，由此，通过去除吊棒来消除由吊棒与外桶的滑动接触引起的异常噪声产生，通过经由减振器靠近机壳的底壁进行支承，有效地抑制由倾覆力矩引起的振动对机壳的影响。除此之外，通过使洗衣斗夹在机壳与内桶之间，即使内桶侧开口与盖侧开口的距离拉开，也能适当地引导洗涤物的取出投入。
此外，根据本发明，使洗衣斗形成大致锥形，具有：下端部，与内桶的上 端部相连；以及大径上端部，构成为从下端部朝向上方逐渐使直径变大，换言之，采用了倒圆锥台形状或者大致研钵形状，因此，能比内桶更大地取得洗衣斗的上端部分的开口面积，使洗涤物的取出投入的便利性进一步提高。
此外，根据本发明，将机壳的至少一部分以及洗衣斗设为透明或半透明，因此，除了设计性的外观之外，还致使提高洗涤状态的可视化、故障部位的视觉确认性。
此外，根据本发明，使洗衣斗由比重小于外桶以及内桶的材料构成，因此，使支承于减振器的构件轻量化，由此能提高固有振动频率，能减少通常脱水时的振动。
此外，根据本发明，使洗衣斗作为用于对水位高于内桶的上端的水进行储存的加高桶发挥功能，因此，可获得与加高内桶容积相同的效果。
此外，根据本发明，使洗衣斗具有：延伸部，从外桶的内周延伸至所述内桶侧开口；以及洗衣斗主体，从该延伸部一体地直立设置，因此，无论使用的材料如何，都能有效地提高洗衣斗的强度。
附图说明
图1是表示本发明的一实施方式的洗衣机的外观的立体图。
图2是同一实施方式的另一立体图。
图3是同一实施方式的侧剖图。
图4和图5是同一实施方式的作用说明图。
图6是图3的A部放大图。
附图标记说明
1：洗衣机；2：机壳；20：机壳主体；22：底壁；24：固定盖；25：可动盖；28：盖侧开口；3：外桶；4：内桶；43：内桶侧开口；6：减振器；7：洗衣斗。
具体实施方式
以下，基于附图，对本发明的一实施方式进行详细说明。
图1是表示本实施方式的洗衣机1的外形的立体图。图2是表示本实施方式的洗衣机1中确认状态的外观图。此外，图3是表示同一洗衣机1的主要内部结构的剖视图。在图3中，适当省略了洗衣机1的驱动部分、涉及控制的部分以及涉及控制的部分的图示。
本实施方式的洗衣机1例如能适合用于家庭，具有：内桶4，用于收容洗涤物；外桶3，收容内桶4；以及机壳2，以能从外方良好地视觉确认的方式收容内桶4以及外桶3。此外，除了外桶3、内桶4以及机壳2之外，本洗衣机1还具有：洗衣斗7，安装于外桶3的上部；减振器6，安装于外桶3的下侧；以及迷宫式密封圈部8，设置于外桶3上端与内桶4之间。
本实施方式的洗衣机1的特征在于，具备：机壳2，其具有机壳主体20、固定盖24和可动盖25，机壳主体20为了收容外桶3而设置，具有从下方支承外桶3的底壁21，并且使上端敞开，固定盖24固定于机壳主体20的上端，可动盖25可活动地设置于固定盖24，使机壳主体20的上端选择性地向外部敞开，能在固定盖24形成将形成于内桶4上端部的内桶侧开口43向上方敞开的盖侧开口28；减振器6，从底壁21直立设置，吸收外桶3的振动，并且支承该外桶3的下端；以及洗衣斗7，设置于内桶侧开口43与盖侧开口28之间，用于引导洗涤物从盖侧开口28向内桶侧开口43投入或从内桶侧开口43向盖侧开口28取出。
以下，对构成洗衣机1的各构成要素的结构进行说明。首先，如图1以及图2所示，机壳2形成有底大致圆筒形状，以俯视隔着大致均匀的尺寸的方式与收容在内部的外桶3分离。机壳2具有：机壳主体20，以上端敞开的圆筒状的筒状体22为主体；底壁21，设置于机壳主体20即筒状体22的下方端，从下方支承外桶3；固定盖24，固定于机壳主体20的上端，俯视形成圆环形状；以及可动盖25，俯视形成大致正圆形状，可活动地设置于该固定盖24，使机壳主体20的上端选择性地向外部敞开，能形成将形成于内桶4上端部的内桶侧开口43向上方敞开的盖侧开口28。
机壳主体20具有：形成筒状的筒状体22，例如由透明或半透明的丙烯酸等 的树脂构成；布线罩23，遍及该筒状体22的上下设置，用于收容各种布线；以及底壁21，在机壳主体20的底面侧从下方间接地支承外桶3。固定盖24在内周侧具有呈大致正圆形状开口的盖侧开口28，具有可开闭活动地支承可动盖25的铰接部26。而且，设置有供水部27，其设置于从该铰接部26向圆周方向位移的位置，用于向内桶4供水。
外桶3是配置于机壳2的内部的有底筒状的构件，在内部能储存洗涤水。该外桶3具有：外桶体31，用于储存水；外桶罩32，设置于该外桶体31的上端；以及密封件水封部34，夹在外桶体31与外桶罩32之间，用于防止向外部漏水。密封件水封部34具有：水封构件36，设置于外桶罩32的下侧；以及密封件(packing)35，用于防止漏水。此外，对该密封件水封部34附近的具体构成随后进行说明。
内桶4是在外桶3内与外桶3同轴配置、并且被自由旋转地支承的有底筒状的构件。内桶4通常能在内部收容洗涤物，并在其壁面具有许多通水孔。如图3所示，在内桶4的内周面的上端侧设置有：平衡器41，呈圆环状向内方突出；以及三个折流板(baffle)42，在该平衡器41的下侧向内方突出。然后，在如本实施方式的立式全自动洗衣机1中，在内桶4的底部中央，自由旋转地配置有通过以假想线图示的驱动装置50驱动的波轮(搅拌翼)5。
波轮(pulsator)5通常具有：大致圆盘形状的波轮主体、以及形成于波轮主体的上表面的多个叶片部。这样的波轮5搅拌储存于外桶3内的洗涤水来产生水流。就驱动装置50而言，虽然在同一图中仅以假想线图示了位置，但其以未图示的电机为主体，使朝向内桶4的底部延伸的驱动轴旋转，从而使内桶4、波轮5旋转。洗衣机1在洗涤过程中主要只使波轮5旋转，在脱水过程中使内桶4与波轮5以高速一体地旋转。
然后，在本实施方式中，在机壳2内，外桶3以及内桶4从下方经由减振器6支承于机壳2的底壁21。然后，外桶3没有从侧方、上方利用吊棒支承。即，本实施方式中的这种洗衣机1避免配置吊棒，由此进一步提高洗涤物从上方的视觉确认性，对这一点随后将详细说明。
减振器6用于从下方支承运转过程中的外桶3，并且有效地减少运转过程中的外桶3所产生的振动。该减振器6具有：内轴61，固定于机壳2的底壁21； 外轴62，覆盖该内轴61的外侧，并且固定于外桶3侧；以及作为压缩螺旋弹簧的弹簧63，介于该外轴62的下端以及机壳2的底壁21侧，用于通过根据外桶3的上下移动或振动适当伸缩来减轻向机壳2传播的振动。此外，在外轴62与外桶3之间以及内轴61与底壁21之间，设置有缓冲橡胶64。在本实施方式中，如图2以及图3所示，该减振器6在俯视未从外桶3底部伸出的范围，配置于最大径的位置或者其附近。此外，在本实施方式中，该弹簧63使弹簧常数降低至脱水时弹簧不密接的程度、并且是运转过程中外桶3不倾斜的程度。
然后，如上所述，在本实施方式中，在外桶3的上侧、具体而言从固定盖24的盖侧开口28到内桶侧开口43，以夹持的方式设置洗衣斗7。如图2以及图3所示，该洗衣斗7设置于盖侧开口28与内桶侧开口43之间，作为用于引导洗涤物从盖侧开口28向内桶侧开口43投入或从内桶侧开口43向盖侧开口28取出的接水引导件发挥功能，并且用于引导洗涤物从盖侧开口28向内桶侧开口43投入或从内桶侧开口43向盖侧开口28取出。
洗衣斗7由构成为透明或半透明的树脂性的一体成型品构成，具有：洗衣斗主体71，形成大致圆锥形状即锥形；以及延伸部72，从该洗衣斗主体71的下端部向外方延伸。作为延伸部72的内边缘的开口部分的直径为在内桶4侧与开口大致对应的直径。此外，洗衣斗主体71具有：大径上端部73，在洗衣斗主体71的上端，比内桶侧开口43更大地开口；折回端74，设置于该大径上端部73；以及溢水孔75，是设置于洗衣斗主体71的上下方向中间位置中的任意位置的开口，用于设定洗涤过程以及漂洗过程中的上限水位。在以树脂材料为材料时，洗衣斗7有时也使用比重小于外桶3所使用的材料的材料，从而，与外桶3相比，成为轻量结构。
然后，如图2以及图4所示，在溢水孔75的外侧连接有溢水管76，该溢水管76用于为了避免在溢水孔75的上侧储存有水而将水从溢水孔75向机体外部排出。为了有效利用形成圆筒形状的机壳2与外桶3之间的弯曲成圆周状的空间，该溢水管76以俯视形成剖面弯曲的椭圆形状的部分作为主体。此外，由于用于将水从溢水管76向机体外部排出的机构以及结构是现有技术，因此省略说明。
除此之外，在本实施方式中，特别是如图4所示，固定盖24的盖侧开口28 的内周采用使内桶侧开口43的大致整体向上方敞开的形状以及大小，采用将设置于内桶4的上端部分的内桶侧开口43的大致整体向上方敞开的形状以及大小。换言之，盖侧开口28的开口边缘位于内桶侧开口43的开口边缘的任一部位的外侧。
然后，在本实施方式中，洗衣斗7作为用于对水位高于内桶4的上端的水进行储存的加高桶发挥功能。即，洗衣斗7作为洗涤桶发挥功能。除此之外，在本实施方式中，如上所述，将机壳主体20的筒状体22、可动盖25以及洗衣斗7设为透明或半透明，因此，在洗涤过程中，经由固定盖24视觉确认上升至洗衣斗7的水面附近的洗涤物、从侧方经由筒状体22以及洗衣斗7视觉确认水面附近的洗涤物都很容易。换言之，使洗涤物的可视化良好。此外，通过将筒状体22设为透明或半透明，内部的机构零部件的可视化也一并提高。由此，提高使用者对运转状态的把握和维护作业的便利性。
此外，在本实施方式中，在清洗时，使洗衣斗7作为加高桶发挥功能，但通过采用大致圆锥形状即锥形，在脱水时，将洗涤物向作为脱水桶的内桶4内引导，能可靠地收容到内桶4内。
除此之外，在本实施方式中，特别是如图5所示，在外桶3的下部配置减振器6、并且使作为加高桶的洗衣斗7采用轻量的构成，由此能提高支承于减振器6的部分的固有振动频率，能进一步减少脱水时的振动。
进而，在本实施方式中，洗衣斗7因固定于外桶3而不能旋转，另一方面，毋庸置疑，内桶4构成为可旋转，但尽管如此，也没有水从内桶4与洗衣斗7之间漏出。
即，在本实施方式中，特别是如图6所示，迷宫式密封圈部8形成于遍及洗衣斗7、外桶3以及内桶4的上端的区域，具备：上侧肋81，设置于洗衣斗7的延伸部72，向铅垂方向下方延伸；下侧肋82，设置于内桶4的上端，向铅垂方向上方延伸；以及空气滞留部83。密封件35设置于外桶3的上端、并且设置于包括上侧肋81的顶端部的虚拟平面的铅垂方向上方的位置，将外桶3的上端和延伸部73密封。由此，能防止空气滞留部83的空气超过密封件35向外桶3外散出。
当蓄水至内桶4中的平衡器41的上方时，迷宫式密封圈部8内的液面形成于与上侧肋81的顶端部大致相同的平面上，在该液面与在该液面的上方的延伸部72的内周面之间，形成有空气滞留部83。通过形成有空气滞留部83，洗衣斗7内的水即使欲从上下的肋81、82间向外侧移动，由于在密封件35附近已经形成有空气滞留部，因此也能通过该空气滞留部83有力地抑制水向外方移动。此外，由于设置有密封件35，因此即使水超过空气滞留部83而渗入，也能防止向外桶3外流出。由此，有效地削减外桶3与洗衣斗7的连接所需的连结零部件的件数。
如上所述，本实施方式的洗衣机1具备：减振器6，从机壳2的底壁21直立设置，吸收外桶3的振动，并且支承该外桶3的下端；以及洗衣斗7，设置于内桶侧开口43与盖侧开口28之间，用于引导洗涤物从盖侧开口28向内桶侧开口43投入或从内桶侧开口43向盖侧开口28取出，由此，通过去除吊棒来消除由吊棒与外桶3的滑动接触引起的异常噪声产生，通过经由减振器6靠近机壳2的底壁21进行支承，有效地抑制由倾覆力矩引起的振动对机壳2的影响。除此之外，通过使洗衣斗7夹在机壳2与内桶4之间，即使内桶侧开口43与盖侧开口28的距离拉开，也能适当地引导洗涤物的取出投入。
此外，根据本实施方式，使洗衣斗7形成大致锥形，具有：下端部，与内桶4的上端部相连；以及大径上端部73，构成为从下端部朝向上方逐渐使直径变大，换言之，采用倒圆锥台形状或者大致研钵形状，因此，能比内桶4更大地取得洗衣斗7的上端部分的开口面积，洗涤物的取出投入的便利性进一步提高。
进而，根据本实施方式，将机壳2的至少一部分以及洗衣斗7设为透明或半透明，因此，除了设计性的外观之外，洗涤状态的可视化、故障部位的视觉确认性提高。
此外，根据本实施方式，使洗衣斗7由比重小于外桶3以及内桶4的材料构成，因此，使支承于减振器6的构件轻量化，由此能提高支承于减振器6的部分的固有振动频率，使通常脱水时的振动减少。
然后，根据本实施方式，使洗衣斗7作为用于对水位高于内桶4的上端的水进行储存的加高桶发挥功能，因此，可获得与使用简单的构成并加高内桶4 容积相同的效果。
此外，根据本实施方式，使洗衣斗7具有：延伸部72，从外桶3的内周延伸至内桶侧开口43；以及洗衣斗主体71，从该延伸部72一体地直立设置，因此，虽然使用轻量的材料，但作为难以弯曲的形状，洗衣斗7的强度有效地提高。
以上，对本发明的一实施方式进行了说明，但本实施方式的构成并不局限于上述内容，还可以进行各种变形。
例如，在上述实施方式中，公开了配置三个减振器的构成，但毋庸置疑，只要是支承外桶的方式即可，不妨碍应用例如四个以上减振器的方式。
此外，在上述实施方式中，公开了将洗衣斗固定于外桶的构成，但毋庸置疑，可以采用在机壳侧配置洗衣斗的构成，具体而言是在固定盖、机壳主体固定洗衣斗这样的构成。
其他构成在不脱离本发明的主旨的范围内也可以进行各种变形。

Claims (6)

  1. 一种洗衣机，具有：内桶，收容洗涤物，形成有内桶侧开口；外桶，收容所述内桶；以及机壳，收容所述内桶以及所述外桶，其特征在于，具备：
    减振器，从所述底壁直立设置，吸收所述外桶的振动，并且支承该外桶的下端；以及
    洗衣斗，设置于所述内桶侧开口与所述盖侧开口之间，对洗涤物从所述盖侧开口向所述内桶侧开口的投入取出进行引导。
  2. 根据权利要求1所述的洗衣机，其特征在于，
    所述洗衣斗具有：下端部，与所述内桶的上端部相连；以及大径上端部，构成为从所述下端部朝向上方径逐渐变大。
  3. 根据权利要求1或2所述的洗衣机，其特征在于，
    所述机壳的至少一部分以及所述洗衣斗为透明或半透明。
  4. 根据权利要求1或2所述的洗衣机，其特征在于，
    所述洗衣斗由比重小于所述外桶以及所述内桶的材料构成。
  5. 根据权利要求1或2所述的洗衣机，其特征在于，
    所述洗衣斗作为用于对水位高于所述内桶的上端的水进行储存的加高桶发挥功能。
  6. 根据权利要求5所述的洗衣机，其特征在于，
    所述洗衣斗具有：延伸部，从所述外桶的内周延伸至所述内桶侧开口；以及洗衣斗主体，从该延伸部一体地直立设置。
PCT/CN2017/075185 2016-02-29 2017-02-28 洗衣机 WO2017148368A1 (zh)

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EP17759219.3A EP3425101A4 (en) 2016-02-29 2017-02-28 WASHING MACHINE
KR1020187006477A KR20180035901A (ko) 2016-02-29 2017-02-28 세탁기
US15/771,034 US20180371668A1 (en) 2016-02-29 2017-02-28 Washing machine
CN201780002627.2A CN107849779B (zh) 2016-02-29 2017-02-28 洗衣机

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JP2016038470A JP7011379B2 (ja) 2016-02-29 2016-02-29 洗濯機

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CN107849779B (zh) 2020-06-16
EP3425101A1 (en) 2019-01-09
KR20180035901A (ko) 2018-04-06
US20180371668A1 (en) 2018-12-27
EP3425101A4 (en) 2019-11-06
CN107849779A (zh) 2018-03-27
JP2017153631A (ja) 2017-09-07
JP7011379B2 (ja) 2022-01-26

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