WO2016101839A1 - 洗衣机 - Google Patents

洗衣机 Download PDF

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Publication number
WO2016101839A1
WO2016101839A1 PCT/CN2015/097812 CN2015097812W WO2016101839A1 WO 2016101839 A1 WO2016101839 A1 WO 2016101839A1 CN 2015097812 W CN2015097812 W CN 2015097812W WO 2016101839 A1 WO2016101839 A1 WO 2016101839A1
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WO
WIPO (PCT)
Prior art keywords
tub
washing machine
washing
outer tub
casing
Prior art date
Application number
PCT/CN2015/097812
Other languages
English (en)
French (fr)
Inventor
米田昌令
本田国兴
Original Assignee
海尔亚洲株式会社
青岛海尔洗衣机有限公司
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 海尔亚洲株式会社, 青岛海尔洗衣机有限公司 filed Critical 海尔亚洲株式会社
Priority to KR1020177020415A priority Critical patent/KR20170098905A/ko
Priority to US15/538,079 priority patent/US20180112344A1/en
Priority to CN201580070382.8A priority patent/CN107109748B/zh
Priority to EP15871907.0A priority patent/EP3239380A4/en
Publication of WO2016101839A1 publication Critical patent/WO2016101839A1/zh

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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
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
    • 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
    • D06F37/20—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
    • D06F37/30—Driving arrangements 
    • D06F37/40—Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively
    • 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
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation 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
    • 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

Definitions

  • the present invention relates to a washing machine capable of suppressing vibration and noise.
  • a washing machine in which a cylindrical outer cylindrical can is supported inside a box-shaped casing, and a washing and dewatering tub as an inner tub is rotatably supported inside the outer tub (for example, refer to Patent Document 1 ).
  • FIG. 4 is a longitudinal cross-sectional view schematically showing an example of such a general washing machine 101.
  • an outer tub 105 and an inner tub 106 are coaxially arranged, and a bottom plate 161 of the inner tub 106 is provided with a stirring blade 63. Further, on the lower side of the bottom plate 151 of the outer tub 105, a drive mechanism 107 capable of selectively rotating the inner tub 106 and the agitating blades 63 is provided.
  • a washing tub unit 104 is formed by the outer tub 105, the inner tub 106, and the driving mechanism 107, and the washing tub unit 104 is suspended and supported by the inside of the cabinet 2 via the hanger 103.
  • the boom 103 is disposed at a predetermined angle ⁇ , and the base end 103A side is attached to the suspension portion 25 provided near the upper end 24 of the casing 2, and the tip end 103B side is attached to the peripheral wall of the outer tub 105 via the damper mechanism 31.
  • the lower suspended support portion 152 whereby the washing tub unit 104 is elastically supported. Thereby, it is possible to suppress the vibration caused by the rotation of the inner tub 106 and the stirring blade 63 at the time of washing or dehydration from being excessively large.
  • the width and the depth dimension of the installation place of the washing machine 101 as described above are restricted by the waterproof board and the layout of the house in the home. That is, the installation area of the washing machine 101 cannot be made larger or more. Further, since the washing machine 101 is set to be able to wash a plurality of laundry at a time, the washing capacity is designed to be as large as possible, whereby the whole becomes long.
  • washing tub unit 104 which is designed to be vertically long like the casing 2. Since the washing tub unit 104 is provided with a driving mechanism 107 having a weight on the bottom plate 151 of the outer tub 105 constituting it, the center of gravity position Pc exists below the center. Therefore, the height Hc0 of the gravity center position Pc0 of the washing tub unit 104 is 30% from the setting surface F to the height Hu of the upper end 24 of the cabinet 2.
  • the hanger 103 in order to effectively suppress the swinging rotation of the washing tub unit 104, it is preferable to mount the hanger 103 at a position substantially the same height as the center of gravity Pc0 of the washing tub unit 104, and therefore, the above-described suspended supporting portion 53 is provided in the outer tub.
  • the lower portion of the peripheral wall 152 of 105 Therefore, the distance Ls0 between the fulcrums constituting the fulcrum of the mounting hanger 103 and the fulcrum of the suspended support portion becomes long.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2011-240041
  • An object of the present invention is to effectively solve such a problem, and in particular, to provide a washing machine capable of effectively suppressing vibration and noise of a washing tub unit, and capable of reducing a gap between a peripheral wall of the outer tub and the casing to reduce Useless space.
  • the present invention adopts the following scheme.
  • the washing machine of the present invention includes: a casing having a box shape and having an inner space opened upward; and a washing tub unit suspended and supported by the hanging rod in the internal space, the washing tub unit having
  • the outer tub has a bottomed quasi-cylindrical shape
  • the inner tub has a bottomed quasi-cylindrical shape, is coaxially disposed inside the outer tub, and is rotatably supported by the outer tub
  • a driving mechanism is disposed on the a lower end of the outer tub for rotationally driving the inner tub, a base end side of the boom is mounted near an upper end of the casing, and a top end side is mounted on a lower portion of the outer tub, and a center of gravity of the washing tub unit is It is set to a position higher than the height center of the casing in the vertical direction.
  • the boom is mounted at a predetermined angle, and the tip end side is mounted on a suspended support portion provided at a lower portion of a peripheral wall of the outer tub, and the suspended support portion is set to be larger than The height of the chassis in the up and down direction is high.
  • the driving mechanism selectively drives the inner tub and the agitating blade provided at the bottom of the inner tub by transmitting a rotational force of the motor, and the depth of the inner tub is set to be more than 50% of the diameter of the inner tub. Within the range of 70% or less.
  • a housing portion is provided below the washing tub unit.
  • the housing portion is a drawer.
  • the washing tub unit is suspended and supported by the upper end of the casing as a fulcrum by the boom, and the center of gravity is set at a position higher than the height center of the casing in the vertical direction, thereby passing the driving mechanism.
  • the swing generated when the inner tub is rotated becomes small, so vibration and noise can be reduced.
  • the gap between the peripheral wall of the outer tub and the cabinet can be reduced, thereby reducing the useless space, and accordingly, by expanding the outer tub and the inner tub constituting the washing tub unit accordingly The diameter can increase the washing capacity.
  • the size of the casing and the hanger are mounted on the casing.
  • the position is set to be the same as in the past, the pitch of the fulcrum that supports the washing tub unit by the hanger is shortened. Therefore, the swing of the washing tub unit can be further reduced, thereby further reducing vibration and noise.
  • the hanger is attached at a predetermined angle and the pitch of the fulcrum is shortened, the peripheral wall of the outer tub can be positioned in the outer diameter direction as compared with the prior art, thereby reducing the useless space.
  • the gap between the outer tub and the cabinet and the gap between the outer tub and the inner tub are reduced by the above-described reduction in vibration, the diameters of the outer tub and the inner tub can be increased, and the washing capacity can be increased.
  • the depth of the inner tub is set to be in the range of 50% or more and 70% or less of the diameter
  • the outer tub can be reduced
  • the gap between the inner tubs further increases the washing capacity and can reduce the amount of useless water (i.e., dead water) injected between the outer tub and the inner tub during washing.
  • the diameter is the same as the conventional one, since the inner tub becomes shallow, it is easy to take out the laundry.
  • the stirring force generated by the stirring blade becomes easy to be transmitted, so that the load of the motor can be reduced, thereby reducing the manufacturing cost and the energy consumption.
  • the accommodating portion is provided below the washing tub unit, the space under the washing tub unit can be effectively utilized, and the usability can be further improved.
  • the present invention in which the storage unit is a drawer can be used as a storage space for a detergent, a softener, or an appliance related to washing, and the usability can be further improved.
  • Fig. 1 is a longitudinal sectional view showing a washing machine in accordance with an embodiment of the present invention.
  • Fig. 2 is a longitudinal sectional view schematically showing the same washing machine.
  • Fig. 3 is a perspective view showing the same washing machine.
  • Fig. 4 is a longitudinal sectional view schematically showing an example of a conventional washing machine.
  • Dp0, Dp1 depth of the inner barrel
  • Hb the height center of the case
  • Hc0, Hc1 height of center of gravity (of the washing tub unit)
  • FIG. 1 is a longitudinal sectional view showing a washing machine 1 according to an embodiment of the present invention.
  • the washing machine 1 is formed in a substantially square shape in plan view, and FIG. 1 shows a state in which the washing machine 1 is cut at a diagonal position.
  • this figure is a figure which shows the rough structure of the washing machine 1, and the part which is not related to this invention is a part.
  • symbol is attached
  • the washing machine 1 of the present embodiment shown in FIG. 1 is disposed as a so-called vertical washing machine, and includes a casing 2 and a washing tub unit 4 that is suspended and supported by a boom 3 therein. Further, the washing tub unit 4 includes a bottomed quasi-cylindrical outer tub 5, a bottomed quasi-cylindrical inner tub 6 coaxially disposed therein, and a drive mechanism provided at the bottom of the outer tub 5.
  • the casing 2 is formed by a substantially rectangular bottom surface 21 and four wall surfaces 22 rising from the bottom surface 21, and is formed in a box shape having an internal space Sp that is open upward. Further, the legs 23 are provided at the four corners of the bottom surface 21.
  • the height of the casing 2 in the vertical direction of the present embodiment means the height including the leg 23, and is defined as the height from the installation surface F to the upper end 24 of the casing 2.
  • a hook-shaped suspension portion 25 is provided at four corners near the upper end 24 of the casing 2, and the suspension portion 25 functions as a fulcrum for suspending the hanger 3 by suspending the base end 3A side of the suspension rod 3.
  • a cover 26 integrated with the operation panel is provided at an upper portion of the casing 2, and a part of the cover 26 is provided as an opening and closing cover 26a. As shown in FIG. 2, the cover can be changed to an open state PO and a closed state PC. Open and close the internal space Sp.
  • the outer tub 5 constituting the washing tub unit 4 is a bottomed quasi-cylindrical member having a bottom plate 51 which is a substantially circular shape in a plan view and a peripheral wall 52 which is erected from an edge portion of the bottom plate 51.
  • a hook-shaped suspended support portion 53 is integrally provided in a substantially uniform arrangement at four locations in a plan view.
  • the suspended support portion 53 can be attached to the tip end 3B side of the boom 3.
  • the inner tub 6 is disposed as a so-called washing and dewatering tub, and has a bottomed quasi-cylindrical shape having a bottom plate 61 that is substantially circular in plan view and a peripheral wall 62 that is erected from an edge portion of the bottom plate 61.
  • the inner tub 6 is disposed coaxially with the outer tub 5 inside the outer tub 5, and is rotatably supported by the outer tub 5 via the drive mechanism 7.
  • a plurality of water-passing holes (not shown) are provided in the bottom plate 61 and the peripheral wall 62, and the water in the inner tub 6 can be discharged through the water-passing holes.
  • a stirring blade 63 generally called a pulsator is disposed coaxially above the bottom plate 61 of the inner tub 6.
  • the drive mechanism 7 includes a substrate member 71 mounted on a lower surface of the bottom plate 51 of the outer tub 5, a motor 72 mounted to the substrate member 71, and a power distribution unit 73 including a clutch.
  • the motor 72 and the power split unit 73 are provided with a pulley 72a and a pulley 73a, respectively, and the endless belts 74 are wound around the pulleys 72a and 73a, whereby power can be transmitted to each other.
  • the power distribution unit 73 includes two output shafts 75 and 76 that are coaxially mounted, and connects the inner first output shaft 75 to the center of the agitating blade 63 and the outer second output shaft 76 to the bottom plate 61 of the inner tub 6.
  • the power distribution unit 73 can selectively switch the output target of the driving force input from the motor 72 through the pulley 73a to the first output shaft 75 or to the first output shaft 75 and the second output shaft in accordance with an instruction from the outside. 76 sides. Therefore, the washing machine 1 can mainly rotate only the agitating blades 63 at the time of washing, and integrally rotates the inner tub 6 and the agitating blades 63 during dehydration.
  • the hanging rods 3 are arranged in four corners corresponding to the four corners of the casing 2.
  • Each of the booms 3 is slightly inclined so that the distal ends 3B approach each other, and the base end 3A is suspended in the suspension portion 25 of the casing 2.
  • a damper mechanism 31 including a coil spring 31A as an elastic member is attached to the tip end 3B, and the upper end 31A of the damper mechanism 31 is suspended from the suspended support portion 53 provided in the outer tub 5.
  • the washing tub unit 4 including the outer tub 5 is suspended and supported by the four hanging rods 3.
  • Fig. 2 is a longitudinal sectional view schematically showing the washing machine 1.
  • the same portions as those in Fig. 1 are denoted by the same reference numerals.
  • the dimensional relationship of each portion will be described in detail with reference to FIG. 4 while referring to FIG.
  • the height Hu of the casing 2 is defined as the dimension from the installation surface F to the upper and lower directions of the upper end 24 of the casing 2.
  • the overall size of the casing 2 is set to be substantially the same as that of the conventional conventional washing machine, and the height Hu of the casing 2 is set to be the same as that of the conventional washing machine, and is about 770 mm.
  • the bottom plate 61 of the inner tub 6 is set at a position higher than the conventional one, and is disposed shallow from the upper end 24 of the casing 2 to the bottom plate 61.
  • the depth Dp1 of the inner tub 6 is defined as the size from the upper end 24 of the cabinet 2 to the lowermost direction of the lowermost surface of the upper surface of the bottom plate 61 of the inner tub 6, and the diameter Di1 of the inner tub 6 is defined as the inner surface of the peripheral wall 62 of the inner tub 6. The maximum diameter at the place.
  • the depth Dp0 and the diameter Di0 of the inner tub 106 are defined in the same manner as described above, generally, the depth Dp0 of the inner tub 106 is about 110% of the diameter Di0, which is more Longer.
  • the depth Dp1 of the inner tub 6 is set to be about 60% of the diameter Di1, which is about half the depth of the conventional inner tub of the washing machine. Therefore, the laundry can be easily taken out of the inside of the inner tub 6. Further, since the height Hu of the casing 2 is the same as that of the conventional washing machine casing, the upper end 24 does not become too low, and it is not necessary to bend down when the laundry is taken out.
  • the inner tub 6 is connected to the second output shaft 76, the height from the supported bottom plate 61 to the upper end 64 also becomes low, so even in the case where the laundry is put into the extreme position of the upper end 64, the laundry is also It will be unbalanced during rotation, so that the moment acting in the direction in which the inner tub 6 is tilted is also reduced. Therefore, the relative displacement of the outer tub 5 and the inner tub 6 can be reduced, so that the gap Ci1 between the outer tub 5 and the peripheral walls 52, 62 of the inner tub 6 can be made larger than the peripheral walls 152, 162 of the existing washing machine outer tub 105 and inner tub 106.
  • the gap between the Ci0 is small. Specifically, the gap Ci1 is set to be about 80% of the existing gap Ci0. Thereby, it is possible to further reduce the useless space, and it is also possible to reduce useless water, that is, dead water which enters between the outer tub 5 and the inner tub 6 at the time of washing.
  • the capacity of the motor 72 can be set smaller than that of the conventional motor 172, and the load resistance performance of the power distribution unit 73 can be set smaller than that of the conventional power distribution unit 173, thereby making the drive mechanism 7 small. And cost reduction. In addition, it is also possible to reduce the power consumption generated by the motor 72, thereby achieving a reduction in operating cost.
  • the center of gravity position Pc of the entire washing tub unit 4 is also set at a higher position.
  • the height Hc1 of the center Pc1 of the washing tub unit 4 is defined as the dimension from the installation surface F to the vertical direction of the center of gravity Pc.
  • the height Hc0 of the center of gravity Pc0 of the washing tub unit 104 is defined in the same manner as described above, in general, the height Hc0 of the center of gravity Pc0 is approximately the height of the cabinet 2. 40% of Hu.
  • the height Hc1 of the center of gravity Pc1 of the washing tub unit 4 is larger than 50% of the height Hu of the cabinet 2. That is, when the 1/2 position of the height Hu of the casing 2 is defined as the height center Hb of the casing 2 in the vertical direction, the center of gravity Pc1 of the washing tub unit 4 is higher than the position of the height center Hb.
  • the bottom plate 51 of the outer tub 5 and the center of gravity position Pc1 of the washing tub unit 4 are set to be high, and the suspended support for attaching the tip end 3B side of the boom 3 is provided.
  • the position of the portion 53 is also higher than the position of the suspended support portion of the conventional washing machine.
  • the fulcrum pitch Ls1 from the suspension portion 25 for mounting the base end 3A of the boom 3 to the suspended support portion 53 for mounting the tip end 3B side is shortened to about the fulcrum pitch Ls0 of the existing washing machine. 60%. Therefore, the swing of the washing tub unit 4 can be further reduced, thereby further reducing vibration and noise.
  • the length La1 of the boom 3 can also be shortened. Specifically, when the damper mechanism similar to the related art is used, the length La1 of the boom 3 becomes approximately 70% of the length La0 of the hanger 103 of the conventional washing machine. Therefore, the effect of reducing the manufacturing cost of the component and further reducing the useless space in the casing 2 can be obtained.
  • each of the booms 3 is attached at a predetermined angle ⁇ so that the tips 3B are close to each other.
  • the washing tub unit 4 applies a pulling force to the four corners via the respective booms 3, and the stability of the center position of the casing 2 in plan view can be improved.
  • the angle ⁇ is set to approximately 9° as in the conventional washing machine.
  • the fulcrum pitch Ls1 is set to be as small as about 60% of the fulcrum pitch Ls0 of the conventional washing machine, and accordingly, the peripheral wall 52 of the outer tub 5 is positioned in the outer diameter direction, thereby Reducing the useless space enables the gap Co1 to be smaller than the gap Co0 of the existing washing machine.
  • the gap Co1 is set to about 80% of the gap Co0 of the conventional washing machine, and accordingly, the diameter of the large outer tub 5 is set.
  • the gap Ci1 between the outer tub 5 and the inner tub 6 is set to be smaller than the gap Ci0 of the conventional washing machine as described above, by the gap between the wall surface 22 of the cabinet 2 and the peripheral wall 52 of the outer tub 5.
  • Co1 is set to be smaller than the gap Co0 of the conventional washing machine, and accordingly, the diameter Di0 of the inner tub 5 is increased.
  • the space in the radial direction is increased, and the washing capacity can be increased. Therefore, the washing capacity is not reduced in proportion to the degree of decreasing the depth Dp1, but a sufficient washing capacity can be ensured.
  • the washing machine 1 of the present embodiment opens the lower side of the internal space Sp to a large extent by attaching the entire washing tub unit 4 to the upper side. Therefore, it is possible to provide the drawer 8 as the accommodating portion by using this space.
  • Fig. 3 is a perspective view of the washing machine, showing a state in which the drawer 8 is taken out to the front side.
  • an opening 22a formed in a rectangular shape that is long in the lateral direction is provided, and a drawer 8 is attached inside.
  • the space below the washing tub unit 4 (refer to FIG. 2) can be effectively utilized, and the useless space can be further reduced.
  • the drawer 8 is used as a storage space for detergents, bleaches, softeners, and washing nets necessary for washing, and it is possible to facilitate the rectification of the surrounding of the washing machine having a tendency to be disordered, and to further improve the ease of use. Sex.
  • the accommodating portion 8 is disposed as a drawer, but it may be disposed as a storage rack with an opening and closing door.
  • various devices for adding additional functions may be appropriately incorporated and configured integrally to replace the arrangement of the accommodating portion 8.
  • each portion of the washing machine 1 is not limited to the above-described aspect, and can be appropriately changed.

Abstract

本发明提供一种能抑制振动、噪音，并且能减小外桶的周壁与机壳间的间隙从而减小无用空间的洗衣机。该洗衣机具备：机壳(2)，呈箱形，具有上方开口的内部空间(Sp)；以及洗涤桶单元(4)，在内部空间(Sp)通过吊棒(3)被悬吊支承。洗涤桶单元具备：外桶(5)，呈有底准圆筒状；内桶(6)，呈有底准圆筒状，同轴配置在该外桶(5)的内部，并且由外桶可旋转地支承；以及驱动机构(7)，设置于外桶(5)的下端，用于旋转驱动内桶(6)。吊棒(3)的基端侧(3A)安装于机壳(2)的上端(24)附近，顶端(3B)侧安装于外桶(5)的下部。洗涤桶单元(4)的重心(Pc1)设置于比机壳(2)的上下方向的高度中心(Hb)高的位置。

Description

洗衣机 技术领域
本发明涉及一种能抑制振动、噪音的洗衣机。
背景技术
以往，普遍已知有一种洗衣机，在箱形机壳的内部支承有底准圆筒状的外桶，在该外桶的内侧可旋转地支承作为内桶的洗涤脱水桶(例如，参照专利文献1)。
图4是示意性地表示这种一般的洗衣机101的一个例子的纵剖视图。
在机壳2的内部空间Sp，同轴状地配置有外桶105和内桶106，在内桶106的底板161，设置有搅拌翼63。此外，在外桶105的底板151的下侧，设置有能选择性地使内桶106和搅拌翼63旋转的驱动机构107。
通过这些外桶105、内桶106和驱动机构107构成一个洗涤桶单元104，该洗涤桶单元104经由吊棒103悬吊支承于机壳2的内部。吊棒103倾斜规定的角度θ地配置，并且基端103A侧安装在设置于机壳2的上端24附近的悬定部25，顶端103B侧经由减振机构31安装在设置于外桶105的周壁152下部的被悬吊支承部，由此，洗涤桶单元104被弹性支承。由此，能够抑制洗涤或脱水时因内桶106、搅拌翼63的旋转而导致的振动不至于过大。
此处，设置如上所述的洗衣机101的设置场所的宽度、深度尺寸受防水板、家中的房屋布局制约。即，洗衣机101的设置面积不能大到一定以上。此外，洗衣机101由于被设为能一次洗涤多件洗涤物，因此洗涤容量被设计为尽可能地大，由此，整体变得纵长。
此外，以占据机壳2的大部分内部空间Sp的方式，从上端24附近到底面21附近，存在有与机壳2同样设计成纵长的洗涤桶单元104。洗涤桶单元104由于在构成它的外桶105的底板151配置有具有重量的驱动机构107，因此重心位置Pc存在于中心的下方。因此，洗涤桶单元104的重心位置Pc0的高度Hc0为从设置面F到机壳2的上端24的高度Hu的30％。
此外，为了有效地抑制洗涤桶单元104的摆动旋转，优选将吊棒103安装在与洗涤桶单元104的重心Pc0大致相同高度的位置，因此，上述的被悬吊支承部53被设置于外桶105的周壁152的下部。因此，从构成安装吊棒103的支点的悬定部25到被悬吊支承部的支点间距离Ls0变长。
现有技术文献
专利文献1：日本特开2011-240041号公报
发明所要解决的问题
如上所述，在现有的洗衣机中，由于洗涤桶单元的重心位置低，但悬吊支承它的支点间距长，因此具有伴随着内桶、搅拌翼的旋转，洗涤桶单元的摆动变大，使得振动、噪音变大的倾向。此外，在洗涤桶单元摆动旋转的情况下为了不发生与机壳的接触，还有必要在外桶的周壁与机壳之间设立间隙，该间隙成为无用空间，使得洗涤容量受到限制。
发明内容
本发明的目的在于有效地解决这样的问题，具体而言，目的在于提供一种洗衣机，能有效地抑制洗涤桶单元的振动、噪音，并且能缩小外桶的周壁与机壳的间隙从而减小无用空间。
用于解决问题的方案
本发明为了达成相关的目的，采取了如下方案。
即，本发明的洗衣机的特征在于，具备：机壳，呈箱形，具有上方开口的内部空间；以及洗涤桶单元，在所述内部空间通过吊棒被悬吊支承，所述洗涤桶单元具备：外桶，呈有底准圆筒状；内桶，呈有底准圆筒状，同轴配置在该外桶的内部，并且由该外桶可旋转地支承；以及驱动机构，设置于所述外桶的下端，用于旋转驱动所述内桶，所述吊棒的基端侧安装于所述机壳的上端附近，顶端侧安装于所述外桶的下部，所述洗涤桶单元的重心设定于比所述机壳的上下方向的高度中心高的位置。
此外，本发明优选所述吊棒以规定角度安装，并且所述顶端侧安装在设置于所述外桶的周壁下部的被悬吊支承部，所述被悬吊支承部设定于比所述机壳的上下方向的高度中心高的位置。
进而，本发明优选所述驱动机构通过传递电机的旋转力，选择性地驱动所述内桶和设置于该内桶的底部的搅拌翼，所述内桶的深度设定为该内桶的直径的50％以上70％以下的范围内。
而且，本发明优选在所述洗涤桶单元的下方设置有收容部。
进而，本发明优选所述收容部为抽屉。
发明效果
根据以上说明的本发明，由于洗涤桶单元通过吊棒以机壳的上端作为支点被悬吊支承，并且重心设定于比机壳的上下方向的高度中心高的位置，由此，通过驱动机构使内桶旋转时产生的摆动变小，因此能降低振动、噪音。此外，由于摆动旋转变小，与此相应地，能够缩小外桶的周壁与机壳间的间隙，从而减小无用空间，因此，通过与此相应地扩大构成洗涤桶单元的外桶和内桶的直径，能增大洗涤容量。
此外，根据将安装了吊棒的顶端侧的被悬吊支承部设定在比机壳的上下方向的高度中心高的位置的本发明，在将机壳的尺寸、吊棒往机壳上安装的位置设定为与以往相同的情况下，通过吊棒支承洗涤桶单元的支点间距变短。因此，能够进一步减小洗涤桶单元的摆动，从而进一步降低振动、噪音。此外，由于吊棒以规定角度安装，并且支点间距变短，因此，与以往相比，能够使外桶的周壁位于外径方向，从而减小无用空间。此外，由于通过上述振动的减小，还允许减小外桶与机壳间的间隙以及外桶与内桶间的间隙，因此能增大外桶与内桶的直径，使洗涤容量增大。
此外，根据将内桶的深度设定为直径的50％以上70％以下的范围内的本发明，由于能够不损伤洗衣机的洗涤性能地减轻内桶相对于外桶的倾倒，因此能减小外桶与内桶间的间隙，进一步增大洗涤容量，并且能降低在洗涤时向外桶与内桶之间注入的无用的水(即死水)的量。除此之外，在设为与以往相同程度的直径的情况下，由于内桶变浅，因此变得容易取出洗涤物。此外，由于内桶的上部的洗涤物、水与搅拌翼间的距离相对变近，因此搅拌翼所产生的搅拌力变得容易传递，因此能减小电机的负载量，从而减少制造成本和能耗。
进而，根据在洗涤桶单元的下方设置有收容部的本发明，能有效地利用洗涤桶单元下方的空间，进一步提高易用性。
特别是，根据上述收容部为抽屉的本发明，能作为与洗涤有关的洗涤剂、柔软剂、或器具等的收容空间进行利用，能进一步提高易用性。
附图说明
图1是表示本发明的一个实施方式的洗衣机的纵剖视图。
图2是示意性地表示相同洗衣机的纵剖视图。
图3是表示相同洗衣机的立体图。
图4是示意性地表示现有的洗衣机的一个例子的纵剖视图。
附图标记说明
1、101：洗衣机
2：机壳
3、103：吊棒
3A、103A：(吊棒的)基端
3B、103B：(吊棒的)顶端
4、104：洗涤桶单元
5、105：外桶
6、106：内桶
7：驱动机构
8：抽屉(收容部)
24：(机壳的)上端
51、151：底板
52、152：周壁
53：被悬吊支承部
61、161：底板
62、162：周壁
63：搅拌翼
72、172：电机
73、173：动力分配单元
Dp0、Dp1：(内桶的)深度
Hb：机壳的高度中心
Hc0、Hc1：(洗涤桶单元的)重心高度
Hu：机壳的高度
Pc0、Pc1：(洗涤桶单元的)重心
Sp：内部空间
θ：(吊棒的)角度
具体实施方式
以下，参照附图对本发明的实施方式进行说明。
图1是表示本发明的实施方式的洗衣机1的纵剖视图。该洗衣机1在俯视时形成为大致四角形，图1是表示在对角线的位置将洗衣机1剖切的状态。此外，该图是表示洗衣机1的大致结构的图，部分省略了与本发明无关的部分。需要说明的是，该图对于与图4所示的现有的洗衣机101相同的部位赋予相同的附图标记。
图1所示的本实施方式的洗衣机1配置成所谓的立式洗衣机，具备机壳2和在其内部通过吊棒3被悬吊支承的洗涤桶单元4。此外该洗涤桶单元4具备有底准圆筒状的外桶5、在其内部同轴配置的有底准圆筒状的内桶6、和设置于外桶5的底部的驱动机构。
机壳2经由大致矩形的底面21和从该底面21立起的四个壁面22构成，形成为具备上方开口的内部空间Sp的箱形。而且，在底面21的四角具备脚23。本实施方式的机壳2的上下方向的高度是指包括这样的脚23的高度，定义为从设置面F到机壳2的上端24的高度。机壳2的上端24附近的四角设置有钩状的悬定部25，该悬定部25通过悬定吊棒3的基端3A侧，从而作为用于悬挂吊棒3的支点发挥功能。
在机壳2的上部设置有与操作面板一体化的罩子26，并且该罩子26的一部分被设为开闭盖26a，如图2所示，能够通过变更为开放状态PO和关闭状态PC，从而开闭内部空间Sp。
返回图1，构成洗涤桶单元4的外桶5为具有构成底部的俯视大致圆形的底板51和从底板51的边缘部分竖立的周壁52的有底准圆筒状的构件。在周壁52的下部，在俯视时的四个部位大致均匀配置地一体地设有钩状的被悬吊支承部53。被悬吊支承部53能安装在吊棒3的顶端3B侧。
内桶6作为所谓的洗涤脱水桶进行配置，形成为具有构成底部的俯视大致圆形的底板61和从底板61的边缘部分竖立的周壁62的有底准圆筒状。内桶6在外桶5的内部与该外桶5同轴地配置，并且经由驱动机构7，由外桶5可旋转地悬吊支承。在底板61和周壁62，设置有未图示的许多通水孔，通过该通水孔能将内桶6内的水排出。此外，在内桶6的底板61的正上方，同轴状地设置有一般被称为波轮的搅拌翼63。
驱动机构7包括安装于外桶5的底板51的下表面的基板构件71、安装于该基板构件71的电机72、以及包括离合器的动力分配单元73。电机72和动力分配单元73分别具备带轮72a、带轮73a，通过在这些带轮72a、73a的周围卷绕有环形传动带74，从而能够相互进行动力传递。
动力分配单元73具备同轴装配的两个输出轴75、76，将内侧的第一输出轴75连接于上述搅拌翼63的中心，将外侧的第二输出轴76连接于内桶6的底板61。动力分配单元73能够根据来自外部的指令，选择性地将通过带轮73a从电机72输入的驱动力的输出目标仅切换到第一输出轴75或切换到第一输出轴75和第二输出轴76双方。因此，洗衣机1能在洗涤时主要仅使搅拌翼63旋转，在脱水时使内桶6和搅拌翼63一体地旋转。
吊棒3对应机壳2的四角地配置四根。各个吊棒3以顶端3B互相接近的方式稍微倾斜地配置，将基端3A悬定在上述机壳2的悬定部25。而且，在顶端3B安装有包括作为弹性构件的螺旋弹簧31A的减振机构31，该减振机构31的上端31A悬定在设置于外桶5的被悬挂支承部53。由此，包括外桶5的洗涤桶单元4通过四根吊棒3被悬吊支承。
图2是示意性地表示该洗衣机1的纵剖视图。在该图中，对于与图1相同的部分赋予相同的附图标记。以下，参照图4的同时使用图2对各部分的尺寸关系进行详细说明。
首先，将该机壳2的高度Hu定义为从设置面F到机壳2的上端24的上下方向的尺寸。在本实施方法中，将机壳2的整体尺寸设定为与现有的普通洗衣机大致相同，将机壳2的高度Hu设为与现有的洗衣机的机壳相同，约为770mm。
而且，内桶6的底板61设定于比以往高的位置，从机壳2的上端24到底板61配置得较浅。
此处，将内桶6的深度Dp1定义为从机壳2的上端24到内桶6的底板61上表面的最下部的上下方向的尺寸，将内桶6的直径Di1定义为内桶6的周壁62的内面处的最大直径。在现有的普通洗衣机101(参照图4)中，在与上述同样地定义内桶106的深度Dp0和直径Di0的情况下，一般而言，内桶106的深度Dp0约为直径Di0的110％，更加纵长一些。
相对于此，在本实施方式的洗衣机1中，内桶6的深度Dp1被设定约为直径Di1的60％，约为现有的洗衣机内桶的一半深度。因此，能容易地对内桶6的内部投入取出洗涤物。此外，由于机壳2的高度Hu与现有的洗衣机机壳相同，因此上端24也不会变得过低，也没有必要在投入取出洗涤物时弯腰。
此外，由于内桶6通过与第二输出轴76连接，从而从被支承的底板61到上端64的高度也变低，因此即使在将洗涤物投入上端64的极限位置的情况下，该洗涤物也会在旋转时不平衡，使得向使内桶6倾倒的方向作用的力矩也变小。因此，能够缩小外桶5和内桶6的相对位移，从而能够使外桶5与内桶6的周壁52、62之间的间隙Ci1比现有的洗衣机外桶105与内桶106的周壁152、162之间的间隙Ci0小。具体而言，间隙Ci1设定为现有的间隙Ci0的约80％。由此，能够进一步减小无用空间，并且也能减少在洗涤时进入外桶5与内桶6之间的无用的水即死水。
此外，在洗涤时由搅拌翼63产生的搅拌力需要传递到内桶6的上端64的情况下，由于到上端64的高度变小，因此即使搅拌力设定得较小也无妨。因此，能够将电机72的容量设定得比现有的电机172小，并且能够将动力分配单元73的耐负载性能设定得比现有的动力分配单元173小，从而进行驱动机构7的小型化和成本削减。此外，还能够降低电机72所产生的电力消耗，从而实现运行成本的削减。
此外，如上所述，随着将内桶6的底板61设定在较高的位置，外桶5的底板51以及安装于其下表面侧的驱动机构7也被设定在较高的位置。因此，洗涤桶单元4整体的重心位置Pc也被设定在较高的位置。
此处，将洗涤桶单元4的中心Pc1的高度Hc1定义为从设置面F到重心Pc的上下方向的尺寸。在现有的普通洗衣机101(参照图4)中，在与上述同样地定义洗涤桶单元104的重心Pc0的高度Hc0的情况下，一般而言，重心Pc0的高度Hc0约为机壳2的高度Hu的40％。
相对于此，在本实施方式的洗衣机1中，洗涤桶单元4的重心Pc1的高度Hc1大于机壳2的高度Hu的50％。即，在将机壳2的高度Hu的1/2位置定义为机壳2的上下方向的高度中心Hb的情况下，洗涤桶单元4的重心Pc1比该高度中心Hb的位置高。
因此，在通过驱动机构7使搅拌翼63、内桶6旋转的情况下，特别是在使搅拌翼63与内桶6一体地高速旋转的脱水运转的情况下，即使是在洗涤桶单元4摆动旋转的情况下，由于具有通过吊棒3进行悬吊支承的支点的机壳2的上端24靠近重心位置Pc1，因此摆动变小，整体的振动、噪音变小。
此外，在本实施方式的洗衣机1中，伴随着将外桶5的底板51以及洗涤桶单元4的重心位置Pc1设定得较高，用于安装吊棒3的顶端3B侧的被悬吊支承部53的位置也比现有的洗衣机的被悬吊支承部的位置高。具体而言，从用于安装吊棒3的基端3A的悬定部25到用于安装顶端3B侧的被悬吊支承部53的支点间距Ls1缩短到约为现有的洗衣机的支点间距Ls0的60％。因此，能够进一步减小洗涤桶单元4的摆动，从而进一步降低振动、噪音。
此外，通过缩短支点间距Ls1，还能够缩短吊棒3的长度La1。具体而言，在使用与以往同样的减振机构的情况下，吊棒3的长度La1变成约为现有的洗衣机的吊棒103的长度La0的70％。因此，能获得部件制造成本的削减、机壳2内的无用空间的进一步减小这一效果。
此外，各吊棒3以顶端3B侧相互接近的方式倾斜规定角度θ地安装。由此，对于洗涤桶单元4，经由各吊棒3，朝向四角施加拉力，能提高俯视时机壳2的中央位置的稳定性。具体而言，角度θ与现有的洗衣机同样设定为大约9°。
在使吊棒3倾斜规定角度θ的情况下，与安装该吊棒3的支点间距Ls1相对应，需要设定机壳2的壁面22与外桶5的周壁52间的间隙Co1。在本实施方式中，如上所述，将支点间距Ls1设定为小到现有的洗衣机的支点间距Ls0的约60％，与此对应地，使外桶5的周壁52位于外径方向，从而减小无用空间，能使间隙Co1比现有的洗衣机的间隙Co0小。具体而言，将间隙Co1设定为现有的洗衣机的间隙Co0的约80％，与此对应地，设大外桶5的直径。
而且，除了如上所述将外桶5与内桶6间的间隙Ci1设定为比现有的洗衣机的间隙Ci0小之外，通过将机壳2的壁面22与外桶5的周壁52间的间隙Co1设定为比现有的洗衣机的间隙Co0小，与此对应地，增大内桶5的直径Di0。具 体而言，通过将内桶5的直径Di0设定为现有的洗衣机的内桶105的直径Di0的约115％，增大半径方向上的空间，从而能够使洗涤容量增大。因此，并不是以与减小深度Dp1的程度成比例地减少洗涤容量，而是能够确保足够的洗涤容量。
此外，本实施方式的洗衣机1如上所述，通过在上方安装洗涤桶单元4整体，从而较大程度地开放内部空间Sp的下侧。因此，能够利用该空间，设置作为收容部的抽屉8。
图3是该洗衣机的立体图，是表示往前侧抽出了上述抽屉8的情况的图。在洗衣机1的前侧的壁面22的下部，设置有形成为横向较长的矩形的开口22a，在其内侧安装有抽屉8。这样，能有效地利用上述洗涤桶单元4(参照图2)的下方的空间，进一步减小无用空间。此外，将该抽屉8作为洗涤所必须的洗涤剂、漂白剂和柔软剂、以及洗涤网等器具的收容空间进行使用，能够使存在杂乱倾向的洗衣机周围的整理整顿变得容易，进一步提高易用性。
需要说明的是，各部分的具体结构不仅限定于上述的实施方式。
例如，在上述的实施方式中，将收容部8作为抽屉进行配置，然而也可以将其作为带有开闭门的储藏架进行配置。
此外，还可以适当纳入用于添加附加功能的各种装置，一体地进行配置，以替代收容部8的设置。
此外，洗衣机1的各部分的尺寸不限于上述方案，可以适当地进行变更。
其他结构也可以在不脱离本发明的技术精神的范围内进行各种变形。

Claims (5)

  1. 一种洗衣机，其特征在于，
    具备：
    机壳，呈箱形，具有上方开口的内部空间；以及
    洗涤桶单元，在所述内部空间通过吊棒被悬吊支承，
    所述洗涤桶单元具备：外桶，呈有底准圆筒状；内桶，呈有底准圆筒状，同轴配置在所述外桶的内部，并且由所述外桶可旋转地支承；以及驱动机构，设置于所述外桶的下端，用于旋转驱动所述内桶，
    所述吊棒的基端侧安装于所述机壳的上端附近，顶端侧安装于所述外桶的下部，
    所述洗涤桶单元的重心设定于比所述机壳的上下方向的高度中心高的位置。
  2. 根据权利要求1所述的洗衣机，其特征在于，
    所述吊棒以规定角度安装，并且所述顶端侧安装在设置于所述外桶的周壁的下部的被悬吊支承部，
    所述被悬吊支承部设定于比所述机壳的上下方向的高度中心高的位置。
  3. 根据权利要求2所述的洗衣机，其特征在于，
    所述驱动机构通过传递电机的旋转力，选择性地驱动所述内桶和设置于所述内桶的底部的搅拌翼，
    所述内桶的深度设定为所述内桶的直径的50％以上70％以下的范围内。
  4. 根据权利要求2或3所述的洗衣机，其特征在于，
    在所述洗涤桶单元的下方设有收容部。
  5. 根据权利要求4所述的洗衣机，其特征在于，
    所述收容部为抽屉。
PCT/CN2015/097812 2014-12-22 2015-12-18 洗衣机 WO2016101839A1 (zh)

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US15/538,079 US20180112344A1 (en) 2014-12-22 2015-12-18 Washing machine
CN201580070382.8A CN107109748B (zh) 2014-12-22 2015-12-18 洗衣机
EP15871907.0A EP3239380A4 (en) 2014-12-22 2015-12-18 Washing machine

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JP2014259457A JP6502087B2 (ja) 2014-12-22 2014-12-22 洗濯機の設計方法
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CN107109748A (zh) 2017-08-29
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EP3239380A1 (en) 2017-11-01
CN107109748B (zh) 2020-09-01
KR20170098905A (ko) 2017-08-30
US20180112344A1 (en) 2018-04-26
JP6502087B2 (ja) 2019-04-17

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