WO2003033803A1 - Procede de lavage a contre-rotation et dispositif de transmission - Google Patents

Procede de lavage a contre-rotation et dispositif de transmission Download PDF

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Publication number
WO2003033803A1
WO2003033803A1 PCT/CN2002/000415 CN0200415W WO03033803A1 WO 2003033803 A1 WO2003033803 A1 WO 2003033803A1 CN 0200415 W CN0200415 W CN 0200415W WO 03033803 A1 WO03033803 A1 WO 03033803A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
shaft
agitator
washing machine
transmission mechanism
Prior art date
Application number
PCT/CN2002/000415
Other languages
English (en)
French (fr)
Inventor
Yongsen Chai
Zhancun Jiang
Kaiming Wang
Zhichun Zhang
Peishi Lu
Zezhen Hua
Sheng Xu
Zongrui Chi
Original Assignee
Haier Group Corporation
Haier Electric Appliances International Co., Ltd.
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
Priority claimed from CNB01127557XA external-priority patent/CN1151324C/zh
Application filed by Haier Group Corporation, Haier Electric Appliances International Co., Ltd. filed Critical Haier Group Corporation
Priority to KR1020047005570A priority Critical patent/KR100696327B1/ko
Priority to JP2003536518A priority patent/JP5180423B2/ja
Priority to US10/492,786 priority patent/US7475445B2/en
Publication of WO2003033803A1 publication Critical patent/WO2003033803A1/zh
Priority to HK04108485A priority patent/HK1065831A1/xx

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06Washing 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
    • D06F17/08Driving arrangements for the impeller
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06Washing 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
    • D06F17/10Impellers
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00Washing 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 
    • D06F23/04Washing 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • D06F37/36Driving arrangements  for rotating the receptacle at more than one speed
    • D06F37/38Driving arrangements  for rotating the receptacle at more than one speed in opposite directions
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • D06F37/40Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively

Definitions

  • the present invention relates to a transmission mechanism suitable for use in a washing machine, and more particularly to a transmission mechanism for generating bidirectional rotation.
  • the present invention further relates to a washing machine for generating a laundering.
  • the present invention also relates to a washing method capable of producing a two-way washing in a washing machine.
  • the present invention relates to an agitator and an inner tub for a washing machine.
  • a vertical type washing machine usually includes an inner tub, an outer tub, an agitator, a driving system, a control system, and the like.
  • the inner tub is vertically fixed in the outer tub, and the agitator is mounted on a mixer shaft and is located at the bottom of the inner tub.
  • the drive system has an output and an input.
  • the agitator shaft is connected to the output of the drive system, and a power source is connected to the input of the drive system.
  • the inner tub does not rotate, while the agitator alternately rotates in opposite directions.
  • the water and clothes in the inner tub are stirred by the agitator and rotated to perform washing.
  • this washing machine has some drawbacks. During the washing process, the intensity of the water flow generated by the water flow through the stirrer is weak, and it is easy to cause tangles of the clothes, and it is difficult to improve the washing ratio.
  • some washing machine manufacturing companies have designed a rotary drum type washing machine in which the inner tub is not fixed and remains free floating. When the agitator rotates, the inner barrel generates a reaction force by the rotation of the agitator to rotate it in the opposite direction, so as to achieve the effect of "washing clothes". However, the washing effect produced by this arrangement is still insufficient.
  • the invention proposes a transmission mechanism suitable for use in a washing machine for generating bidirectional rotation.
  • the transmission mechanism is particularly suitable for a vertical type washing machine.
  • An object of the present invention is to provide a transmission mechanism for generating two-way rotation, which is suitable for use in a vertical type washing machine, which can provide rotation in two opposite directions at its two output ends.
  • Another object of the present invention is to provide a washing machine for two-way washing, so that during the washing process, both the inner tub and the agitator rotate in opposite directions under the driving of power.
  • Still another object of the present invention is to provide a washing machine for two-way washing, which has a compact structure, small volume, high reliability, and good washing effect.
  • Yet another object of the present invention is to provide a method for generating two-way washing, which can realize the rotation of the inner tub and the agitator in opposite directions, increase the intensity of the water flow, and improve the washing ratio.
  • Another object of the present invention is to provide a mixer and an inner tub for a washing machine of the present invention, which can enhance the intensity of water flow and increase the speed of the water flow in the inner tub.
  • the present invention provides a transmission mechanism for generating a bidirectional drive suitable for use in a washing machine, which includes a power input end. It also includes two power output ends, one of which is connected to a stirrer shaft, and the stirrer shaft is rotated in a first direction; and the other output end is connected to an inner barrel shaft, and the inner barrel shaft is connected to the first One direction is opposite to the second direction;
  • the present invention also provides a washing machine for producing two-way washing, which includes an outer tub, an inner tub sleeved in the outer tub, a stirrer disposed at the bottom of the inner tub, an inner tub shaft, and a blender shaft. It includes: a transmission mechanism for generating a bidirectional drive, the transmission mechanism includes a power input end connected to a power source; two power output ends, one of which is connected to one end of a mixer shaft of a washing machine, and Turn the agitator shaft in a first direction; the other end of the agitator shaft is installed on the agitator; the other power output end is connected to one end of the inner barrel shaft, and the inner barrel shaft is rotated in a second direction opposite to the first direction The other end of the inner barrel shaft is installed on the inner barrel.
  • the present invention also provides a washing method suitable for producing two-way washing in a washing machine, the steps of the method include providing a transmission mechanism having two power output ends, A stirrer shaft and a hollow inner barrel shaft are respectively connected to the power output end; the stirrer shaft is rotatably disposed in the hollow inner barrel shaft; the inner barrel glaze is rotated in one direction; and the stirrer shaft Turn in a second direction opposite to the first direction.
  • a bidirectional rotation transmission mechanism is obtained, and the transmission The mechanism realizes the rotation of the inner tub and the agitator in opposite directions. Increase the intensity of the water flow in the washing machine during washing, and increase the washing ratio. While the inner tub and the agitator rotate in opposite directions, the inner tub and the agitator intermittently change their respective rotation directions, so that the direction of the water flow is constantly changing, thereby making the laundry easy to tumble and reducing mutual entanglement.
  • the transmission mechanism and the washing machine of the present invention have a compact structure, small size, high reliability, and long service life.
  • the structure of the inner bucket and the agitator is conducive to enhancing the agitation of the water and increasing the impact of the water flow.
  • FIG. 1 is a half cross-sectional view of an embodiment of a transmission mechanism for bi-directional rotation suitable for use in a washing machine of the present invention
  • FIG. 2 is a half sectional view of a gear box of the transmission mechanism shown in FIG. 1;
  • FIG. 3 is a schematic diagram of a transmission system of the transmission mechanism of the present invention shown in FIG. 1;
  • FIG. 4 is a schematic plan view of a transmission component of the transmission mechanism shown in FIG. 2 arranged in a gear box;
  • 5 and 6 are perspective views of different orientations of transmission components of the transmission mechanism shown in FIG. 2 in a gear box;
  • FIG. 7 is a schematic diagram of an embodiment of a washing machine provided with a transmission mechanism for bidirectional rotation shown in FIG. 1 for generating bidirectional washing;
  • Fig. 8 is an embodiment of the agitator and the inner barrel of the present invention.
  • FIG. 9 is another embodiment of the agitator and the inner barrel of the present invention.
  • FIG. 10 is another embodiment of the agitator and the inner barrel of the present invention.
  • the transmission mechanism consists of A shaped gear box 13 is provided with shaft holes in the longitudinal direction on its upper and lower end walls, respectively.
  • a hollow inner barrel shaft 11 extends through a shaft hole in the upper wall of the gear box 13 and is rotatably arranged in the gear box.
  • a stirrer shaft 10 is coaxially disposed inside the hollow inner barrel shaft 11 and is rotatable therein.
  • a driving shaft 20 extends through a shaft hole in the lower wall of the gear box 13 and is rotatable therein. The upper end of the driving shaft 20 is arranged inside the gear box 13, and the lower end thereof extends downward and outward through the lower wall of the gear box 13. As shown in FIGS.
  • each gear shaft 16 is provided with an inverted "T" gear 28 thereon.
  • the gears are two gears with different diameters formed integrally, and each gear shaft 29 A gear 15 is provided on it.
  • the gear is three gears having different diameters integrally formed together, and the gears may also be gears of the same diameter.
  • Gear 15 has three gear segments 151, 152, 153, and gear 28 has two gear segments 281, 282.
  • the gear 28 and the gear 15 may be directly formed on the corresponding gear shafts 16 and 28 (not shown), respectively.
  • the agitator shaft 10 When the agitator shaft 10 is inserted into the hollow inner barrel shaft 11, a certain space is maintained between the agitator shaft and the inner barrel shaft, and they do not interfere with each other.
  • the lower end of the agitator shaft 10 extends beyond the lower end of the inner barrel shaft 11, and a gear 30 is provided thereon, the gear meshing with the second gear section 152 of each gear 15.
  • a gear 12 is also mounted on the lower end of the inner barrel shaft 11, and the gear meshes with the second gear segment 282 of each gear 28. Gears 30 and 12 mesh with the second gear segments 152 and 282, respectively.
  • the third gear segment 153 of each gear 15 meshes with the first gear segment 281 of each gear 28.
  • the second and third gear segments 152 and 153 of the gear 15 are formed as a gear segment having a thickness equal to the thickness of one of the gear segments, and therefore, they can be engaged with the gear 30 and the gear segment 281, respectively.
  • a gear 24 is mounted on the upper end of the driving shaft 20 located inside the gear box 13, and the gear 24 meshes with the first gear segment 151 of each gear 15.
  • the lower end of the driving shaft 20 may be connected to a power source as a power input end.
  • the bidirectional rotation of the present invention is realized by the above-mentioned transmission mechanism. 3 and 7, when a power source, such as the motor 9, inputs a power through the pulley 7 at the lower end of the driving shaft 20, for example, the driving shaft 20 is driven to rotate clockwise, As a result, the gear 24 is also rotated in the clockwise direction.
  • the rotation of the gear 24 causes each gear 15 to rotate counterclockwise through the corresponding gear segment 151, and the gear 30 rotates clockwise by the corresponding gear segment 152 of the gear 15, thereby causing the agitator shaft 10 to clockwise Turn.
  • the washing machine designated as a whole by reference numeral 1, includes an outer tub 3, an inner tub 4, an agitator 5, and a transmission mechanism 8.
  • the outer tub and the inner tub are cylindrical, and the inner tub is disposed inside the outer tub.
  • the upper end of the inner barrel shaft 11 is fixedly mounted on the bottom wall of the inner barrel 4, and the upper end of the agitator shaft 10 provided in the hollow inner barrel shaft 11 extends beyond the upper end of the inner barrel shaft and is fixedly mounted on the agitator 5.
  • a pulley 7 is installed at the lower end of the driving shaft 20, and it can be connected to a pulley provided on a power source, such as a motor 9, so that the driving shaft can be rotated by the driving of the motor.
  • a power source such as a motor 9
  • the inner tub shaft 11, the agitator shaft 10, and the driving shaft 20 are on the same axis. The two-way washing is accomplished by means of the transmission mechanism. In order to realize that the inner tub and the agitator 5 rotate opposite to each other during washing.
  • the transmission mechanism of the present invention is provided with two power output ends, one of which is connected to a stirrer 5, and the stirrer is arranged in a first direction, for example, in a clockwise direction. And the other power output end is connected to an inner barrel 4 and rotates the inner barrel in a second direction opposite to the first direction, for example, in a counterclockwise direction. Therefore, the transmission mechanism of the present invention has two power output ends and generates rotations in two opposite directions. The working process of the washing machine of the present invention is described in further detail below.
  • the motor 9 transmits power to the driving shaft 20 through the pulley 7 and rotates it in one direction.
  • the first gear segment 151 of each gear 15 engaged with the driving shaft 20 is rotated in the second direction by the gear 24 of the driving shaft 20, so that the second gear segment 152 of each gear 15 drives the gear 30 engaged with the first rotation. Therefore, the agitator shaft 10 rotates with the gear 30 and drives the agitator 5 to rotate in the first direction.
  • the third gear segment 153 of each gear 15 drives the first gear segment 281 of each gear 28 engaged with it in a first direction, so that the second gear segment 282 of each gear 28 drives the gear 12 engaged with it to rotate. Turn in the second direction.
  • the inner barrel shaft 11 rotates with the gear 12 and drives the inner barrel 4 to rotate in the second direction.
  • the method is such a square ',
  • the agitator is separated from the inner barrel, i is connected to the output end of a transmission mechanism, and the output end of the transmission mechanism is connected to a power source, such as a motor 9.
  • a power source such as a motor 9.
  • the transmission mechanism of the present invention may be provided with two output ends and input ends, each input end is connected to two different power sources, and the two output ends are respectively connected to a stirrer.
  • the agitator is a disc-shaped member, and the upper surface of the disc-shaped member has an upward protrusion to promote the water flow of the agitator. agitation.
  • the side wall of the inner barrel has at least one radially inward protrusion.
  • FIG. 9 shows another embodiment of a stirrer 5 according to the present invention, wherein the stirrer is cylindrical, and the inner bottom surface is flat, and may also have upward protrusions, and its
  • the inner side wall is provided with a radially inward protrusion, and the inner side wall may also be a smooth surface to increase the area of the agitator to stir the water flow and increase the water flow speed.
  • stirrer 5 there is shown another embodiment of a stirrer 5 according to the present invention.
  • the agitator is cylindrical
  • an inner bottom surface of the agitator is provided with an upward circular protrusion
  • an inner wall thereof is further provided with a radially inward protrusion to further enlarge the
  • the stirrer stirs the area of the water flow.
  • the shape of these protrusions can be multiple and irregular.
  • the arrangement of the protrusions is conducive to increasing the intensity of the water flow in the washing machine during the washing process, making the laundry easy to tumble, and reducing mutual entanglement.
  • the inner tub 4 of the present invention is shown, respectively.
  • the inner tub 4 is provided with at least one radially inward protrusion on an inner side wall thereof, and the inner tub is provided with a balance ring on an end wall thereof provided with an opening.
  • the inner tub 4 is provided with a step on its side wall to form a cylindrical section having a different diameter.
  • the shape of these protrusions can also be multiple and irregular.
  • the arrangement of the protrusions is helpful to enhance the agitation of the water and increase the impact of the water flow.
  • the arrangement of the steps is advantageous for setting the agitator 4 of a specific shape in the inner tub 4.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Food-Manufacturing Devices (AREA)

Description

一种用于产生双向转动的传动机构、 用于产生双向洗涤的
洗衣机和方法及相关的内桶和搅拌器 技术领域
本发明涉及一种适合于豫用在洗衣机中的传动机构, 特别是 涉及用于产生双向转动的传动机构。 本发明另外涉及用于产生默 向洗涤的洗衣机。 本发明还涉及一种能够在洗衣机中产生双向洗 涤的洗涤方法。 而且本发明也涉及一种用于洗衣机的搅拌器和内 桶。
背景技术
众所周知, 洗衣机已经广泛地在家庭和工业生产中使用。 传 统洗衣机根据内桶的布置形式具有两种类型, 即立式和卧式型式。 立式型式的洗衣机通常包括一内桶、 一外桶、 一搅拌器、 驱动系 统以及控制系统等。 在立式型式的洗衣机中, 内桶竖直地固定在 外桶中, 且搅拌器安装在一个搅拌器轴上并位于内桶的底部。 驱 动系统具有一个输出端和一个输入端。 该搅拌器轴连接于驱动系 统的输出端, 而一个动力源连接于该驱动系统的输入端。 在洗涤 过程中, 通常内桶不转动, 而搅拌器交替地沿相反的方向旋转。 通过搅拌器拨动内桶中的水及衣物并使其转动以实施洗涤。 然而, 已经发现这种洗衣机存在着一些缺陷。 在洗涤过程中通过搅拌器 拨动水流产生的水流强度较弱, 且易于造成衣物缠结, 难以提高 洗净比。 为了克服上述缺陷, 一些洗衣机制造企业设计出一种转 桶式洗衣机, 其中内桶不固定且保持自由浮动状态。 当搅拌器转 动时, 内桶借助于搅拌器的转动产生一反作用力从而使其反向转 动, 以达到 "搓衣" 的效果。 然而, 这种布置产生的洗涤效果仍 存在着不足。 由于内桶无动力驱动, 内桶的转动力度很小, 且搅 拌器只在内桶的底面交替地转动。 这使得该洗涤方法产生的 "搓 衣" 效果没有显著的改进, 并且仍不能很好地解决衣物缠结的问 题。 在卧式型式的洗衣机中, 水平的设置有两个彼此相对转动的 滚筒, 它们分别连接于两个动力源并彼此相互沿两个相对的方向 转动。 虽然这种洗衣机可以达到较好的 "搓衣" 效果。 但是, 其 结构复杂, 且制造成本较高。 为了克服现有洗衣机存在的缺陷, 本发明提出了一种适合于使用在洗衣机中的用于产生双向转动的 传动机构。 该传动机构特别适合于立式型式的洗衣机。
发明内容
本发明的一个目的是提供一种用于产生双向转动的传动机 构, 该传动机构适合于应用在立式型式的洗衣机中, 其可以在其 两个输出端提供沿两个相反的方向转动。
本发明的另一个目的是提供一种用于双向洗涤的洗衣机, 使 得该洗衣机在洗涤过程中, 内桶与搅拌器均在动力的驱动下沿相 反的方向转动。
本发明的再一个目的是提供一种用于双向洗涤的洗衣机, 其 结构紧凑、 体积小、 可靠性高且洗涤效果好。
本发明的又一个目的是提供一种用于产生双向洗涤的方法, 其可以实现内桶与搅拌器沿相反方向转动, 增大水流强度, 且提 高洗净比。
本发明的又一个目的是提供一种用于本发明洗衣机的搅拌器 和内桶, 其可以增强水流强度, 提高内桶中的水流速度。
为了实现上述目的, 本发明提供一种适合于在洗衣机中使用 的产生双向驱动的传动机构,其包括一个动力输入端。 其还包括两 个动力输出端, 其中一个输出端与一个搅拌器轴相连, 并使搅拌 器轴沿一第一方向转动; 而其另一输出端与一个内桶轴相连, 并 内桶轴沿与第一方向相反的第二方向转动;
本发明还提供一种用于产生双向洗涤的洗衣机, 其包括一个 外桶、 一个套装在该外桶内的内桶、 一个设置在该内桶的底部的 搅拌器、 一个内桶轴以及一个搅拌器轴。 其包括: 一个用于产生 双向驱动的传动机构, 该传动机构包括一个动力输入端, 其与一 个动力源相连; 两个动力输出端, 其中一个输出端与洗衣机的搅 拌器轴的一端相连, 并使搅拌器轴沿一第一方向转动; 搅拌器轴 的另一端安装在搅拌器上; 另一动力输出端与内桶轴的一端相连, 并使内桶轴沿与第一方向相反的第二方向转动, 内桶轴的另一端 安装在内桶上。
本发明也提供一种适合于在洗衣机中产生双向洗涤的洗涤方 法, 该方法的步驟包括提供一个具有两个动力输出端的传动机构, 将一搅拌器轴和一中空的内桶轴分别连接于设置在动力输出端; 将搅拌器轴可转动地设置在中空的内桶轴中; 使内桶釉沿一笫一 方向转动; 且使搅拌器轴沿与第一方向相反的第二方向转动。
综上所述, 采用本发明的用于产生双向转动的传动机构、 用 于产生双向洗涤的洗衣机、 搅拌器与内桶和洗涤方法可以获得以 下优点: 获得一种双向转动的传动机构, 通过该传动机构实现内 桶与搅拌器沿相反方向的转动。 增大洗涤过程中洗衣机内的水流 强度, 并提高洗净比。 在内桶与搅拌器沿相反方向转动的同时, 该内桶和搅拌器间断地变换各自的转动方向, 使得水流方向处于 不断变换的过程, 由此, 使洗涤物容易翻滚, 并减少相互缠结。 本发明的传动机构和洗衣机的结构紧凑、 体积小、 可靠性高且使 用寿命长。 内桶和搅拌器的结构有利于增强水的搅动, 加大水流 的冲击。
附图说明
本发明的目的、 特点以及优点可以通过下面结合附图进行的 详细描述中得到进一步的理解, 其中:。
图 1 是本发明适合于在洗衣机中使用的用于双向转动的传动 机构的一个实施例的半剖视图;
图 2是图 1所示传动机构的齿轮箱的半剖视图;
图 3是图 1所示本发明的传动机构的传动系统示意图; 图 4 是布置在齿轮箱内的图 2 所示传动机构的传动部件的俯 视示意图;
图 5 和图 6是在齿轮箱内图 2 所示传动机构的传动部件不同 取向上的立体图;
图 7 是设置有图 1 所示用于双向转动的传动机构的用于产生 双向洗涤的洗衣机的一个实施例的示意图;
图 8是本发明的搅拌器和内桶的一个实施例;
图 9是本发明的搅拌器和内桶的另一实施例; 以及
图 1 0是本发明的搅拌器和内桶的又一实施例。
具体实施方式 驱动的传动机构的一个实施例。 该传动机构包括」个基本上圆 形的齿轮箱 13, 该齿轮箱 13 在纵向上于其上下端壁上分别设有 轴孔。 一个中空的内桶轴 11 延伸通过齿轮箱 13 的上壁上的轴孔 并可转动地布置在该齿轮箱内。 一个搅拌器轴 10 同轴地设置在该 中空的内桶轴 11 的内部并可在其中转动。 一个主动轴 20延伸通 过在齿轮箱 13 的下壁上的轴孔并可在其中转动。 该主动轴 20 的 上端布置在齿轮箱 13 的内部, 而其下端穿过该齿轮箱 13 的下壁 向下并向外延伸。 参见图 2 - 6 所示, 两对齿轮轴 16、 29 分别相 对于齿轮箱 13 的纵向轴线径向对称地布置。 每个齿轮轴 16、 29 分别可转动地设置于形成在齿轮箱 13的上、 下壁上轴孔中。 如图 3、 5 和 6 所示, 每个齿轮轴 16在其上设有一个倒 "T" 字形齿轮 28 , 该齿轮是两个整体形成在一起的具有不同直径的齿轮, 而每 个齿轮轴 29 在其上设有一个齿轮 15。 该齿轮是三个整体形成在 一起的具有不同直径的齿轮, 其中也可以是相同直径的齿轮。 齿 轮 1 5 具有三个齿轮段 151、 152、 153 , 而齿轮 28 具有二个齿轮 段 281、 282。 在本发明的另一方案中, 齿轮 28和齿轮 15可以分 别直接在相应的齿轮轴 16和 28上形成 (未示出)。 当将搅拌器轴 10 插入到该中空的内桶轴 11 的内部时, 该搅拌器轴与该内桶轴 之间保持有一定的空间, 且彼此相互不干涉。 该搅拌器轴 10的下 端延伸超出该内桶轴 11 的下端, 并在其上设置一个齿轮 30, 该 齿轮与每个齿轮 15的第二齿轮段 152啮合。 该内桶轴 11的下端 也安装有一个齿轮 12, 该齿轮与每个齿轮 28 的第二齿轮段 282 啮合。 在齿轮 30和 12分别与笫二齿轮段 152和 282啮合同时。 每个齿轮 15 的第三齿轮段 153 与每个齿轮 28 的第一齿轮段 281 啮合。 在本发明的实施例中, 齿轮 15的第二和笫三齿轮段 152和 153 被形成为一个厚度等于其中一个齿轮段的厚度的齿轮段, 因 此, 其可以分别啮合于齿轮 30 和齿轮段 281。 在位于齿轮箱 13 的内部的主动轴 20的上端安装有一个齿轮 24, 该齿轮 24分别与 每个齿轮 15 的第一齿轮段 151啮合。 该主动轴 20 的下端可以与 作为一个动力输入端的一个动力源相连。
本发明的双向转动通过上述传动机构来实现的。 参见图 3 和 7 所示, 当一个动力源, 例如电机 9 , 通过主动轴 20 的下端的皮 带轮 7输入一个动力时, 例如, 驱动主动轴 20顺时针方向转动, 由此使齿轮 24 也沿顺时针方向转动。 该齿轮 24 的转动通过相应 的齿轮段 151使得各齿轮 15 沿逆时针方向转动, 进而齿轮 30借 助于齿轮 15的相应的齿轮段 152沿顺时针方向转动, 从而导致搅 拌器轴 10沿顺时针方向转动。 在使该搅拌器沿顺时针方向转动的 同时, 各齿轮 28的相应的第一齿轮段 281随着与之啮合的各齿轮 15 的相应的齿轮段 153 沿逆时针方向的转动而沿相反的方向转 动, 即沿顺时针方向转动。 之后, 齿轮 12 借助于各齿轮 28 的相 应的齿轮段 282沿逆时针方向的转动, 由此驱动内桶轴 11沿逆时 针方向转动。 从而, 可以获得搅拌器轴 10 与内桶轴 11彼此相互 沿相反的方向转动。 当然, 也可以获得搅拌器轴和内桶轴与上迷 的转动方向相反的转动, 这取决于动力源输入的转动方向。 类似 地, 如果来自动力源的动力驱动主动轴 20沿逆时针方向转动, 最 终荻得搅拌器轴 10沿逆时针方向的转动, 而内桶轴 11 沿顺时针 方向的转动。
参见图 7 所示, 表示出采用本发明产生双向驱动的传动机构 的用于双向洗涂的洗衣机的一个实施例。 整体地以附图标记 1 表 示的该洗衣机包括一个外桶 3、 一个内桶 4、 一个搅拌器 5、 一个 传动机构 8。 在该洗衣机中外桶和内桶是圆筒形的, 且内桶设置 在该外桶的内部。 内桶轴 11的上端固定地安装在该内桶 4的底壁 上, 而设置在中空的内桶轴 11 内的搅拌器轴 10 的上端延伸超出 该内桶轴的上端且固定地安装到搅拌器 5 上。 这种布置使得在内 桶轴 11 相对于搅拌器轴 10彼此相互沿相反的方向转动时, 内桶 4 和搅拌器 5 也能彼此相互沿相反的方向转动。 一个皮带轮 7 安 装在主动轴 20的下端, 且其可以连接于设置在一个动力源, 例如 电动机 9 上的皮带轮, 由此, 可以通过该电动机的驱动使该主动 轴转动。 在本发明洗衣机的传动机构中, 内桶轴 11、 搅拌器轴 10 以及主动轴 20是在同一轴线上。 双向洗涤是借助于该传动机构来 i;成的。、 为了实现在洗涤时内桶 与搅拌器 5 彼此相互反向转动。 本发明的传动机构除了一个动 力输入端之外提供有两个动力输出端, 其中一个动力输出端与一 个搅拌器 5 相连, 并使该搅拌器沿一第一方向, 例如沿顺时针方 向转动; 而其另一动力输出端与一个内桶 4 相连, 并使内桶沿与 第一方向相反的第二方向, 例如沿逆时针方向转动。 因此, 本发 明的传动机构具有两个动力输出端且产生沿两个相反方向的转 动。 下面进一步详细描述本发明洗衣机的工作过程。
在洗涤过程中。 电机 9通过皮带轮 7将动力传递到主动轴 20 上并使之沿笫一方向转动。 借助于主动轴 20 的齿轮 24使与其啮 合的各齿轮 15的笫一齿轮段 151沿第二方向转动, 从而导致各齿 轮 15的第二齿轮段 152驱动与其啮合的齿轮 30沿第一方向转动。 因此, 搅拌器轴 10随着齿轮 30转动并带动搅拌器 5 沿第一方向 转动。 与此同时, 各齿轮 15的第三齿轮段 153驱动与其啮合的各 齿轮 28 的第一齿轮段 281 沿第一方向转动, 从而使各齿轮 28 的 第二齿轮段 282驱动与其啮合的齿轮 12转动沿第二方向转动。 结 果, 内桶轴 11随着齿轮 12转动并带动内桶 4沿笫二方向转动。 方法是这样一种方 ',
Figure imgf000008_0001
丄'搅拌器 和 内桶 分另 ,i连接到一个 传动机构的输出端上, 并将该传动机构的输出端与一动力源, 例 如电机 9 联接。 在搅拌器轴沿一个方向转动时, 使内桶轴沿与搅 拌器轴的转动方向相反的方向转动。 在本发明的另一实施例中, 本发明的传动机构可以设置两个输出端和输入端, 将每个输入端 联接于两个不同的动力源, 而两个输出端分别联接于一搅拌器轴 和一内桶轴, 从而, 其中一个动力源驱动搅拌器轴, 而另一个动 力源驱动内桶轴。
参见图 8所示, 表示一个本发明的搅拌器 5的实施例, 其中, 搅拌器是一个盘形件, 盘形件的上表面上具有一个朝上的突起, 以促进该搅拌器对水流的搅动。 另外, 内桶的侧壁上具有至少一 个径向向内的突起。
参见图 9 所示, 表示一个本发明的搅拌器 5 的另一实施例, 其中, 该搅拌器是圆筒形的, 且其内底表面上为平面的, 也可以 具有向上的突起, 而其内侧壁上设有径向向内的突起, 该内侧壁 也可以为光滑面, 以加大该搅拌器搅动水流的面积并提高水流速 度。
参见图 9和 10所示, 表示一个本发明的搅拌器 5的又一实施 例, 其中, 搅拌器是圆筒形的, 该搅拌器的内底表面上设有一个 朝上圆形突起, 而其内侧壁上还设有一个径向向内的突起, 以便 进一步加大该搅拌器搅动水流的面积。 这些突起的形状可以是多 个和不规则的。 突起的布置有利于增大洗涤过程中洗衣机内的水 流强度, 使洗涤物容易翻滚, 并減少相互缠结。
参见图 8 - 10 所示, 分别示出了本发明的内桶 4。 其中, 在 图 8和 9中, 内桶 4在其内侧壁上设有至少一个径向向内的突起, 且内桶在其设有开口的端壁上设有一个平衡环。 在图 10中, 内桶 4 在其侧壁上设有一个台阶, 以形成具有不同直径的圆筒部段。 这些突起的形状同样可以是多个且不规则的。 突起的布置有利于 增强水的搅动, 加大水流的冲击。 台阶的布置有利于将特定形状 的搅拌器 4设置在该内桶 4中。
虽然以上详细描述了本发明的各个实施例, 但本发明的传动 机构以及相关的洗衣机和内桶与搅拌器的结构并不局限与此。 基 于本发明上述实施例的任何变型和改进均在本发明的原理和范围 之内。 本发明保护的范围将由所附的权利要求书限定。

Claims

权 利 要 求
1、 一种适合于在洗衣机中使用的产生双向驱动的传动机构, 其包括一个动力输入端, 其特征在于, 其包括:
两个动力输出端, 其中一个所述动力输出端与一个搅拌器轴 ( 10) 相连, 并使所述搅拌器轴沿一第一方向转动; 而其另一动 力输出端与一个内桶轴 ( 11 ) 相连, 并使所述内桶轴沿与所述第 一方向相反的第二方向转动;
2、 根据权利要求 1 所述的传动机构, 其特征在于, 所述内桶 轴 (11 ) 是中空的, 所述搅拌器轴 ( 10) 可转动地设置在该内桶 轴 ( 11 ) 的内部, 所述内桶轴与所述搅拌器轴彼此相互沿相反的 方向转动。
3、 根据权利要求 1 所述的传动机构, 其特征在于, 其包括一 个齿轮箱 (13), 所述内桶轴 (11 ) 与所述搅拌器轴 ( 10) 的一端 分别设置在所述齿轮箱内。
4、 根据权利要求 3 所述的传动机构, 其特征在于, 所述齿轮 箱 (13 ) 包括:
至少两对齿轮轴 ( 16、 29), 其相对于所述齿轮箱的纵向轴线 径向对称布置;
至少一对分别设置在其中一对所述齿轮轴 ( 16 ) 上的齿轮 ( 28), 其具有二个齿轮段 ( 281、 282 );;
至少一对分别设置在另一对所述齿轮轴( 29 )上的齿轮( 15), 其具有三个齿轮段( 151、 152、 153 );。
5、 根据权利要求 4 所述的传动机构 (8), 其特征在于, 其还 包括一个主动轴 (20), 其一端安装有齿轮 ( 24), 所述齿轮(24 ) 与每个所述齿轮(15 ) 的相应的第一齿轮段(151 ) 啮合。
6、 根据权利要求 3或 4所述的传动机构 (8), 其特征在于, 所述中空的内桶轴( 11 )的一端安装一个齿轮( 12 ); 所述齿轮( 12 ) 与每个所述齿轮(28) 的相应的第二齿轮段(282 ) 啮合;
7、 根据权利要求 3或 4所述的传动机构 (8), 其特征在于, 所述搅拌器轴( 10)的一端安装有一个齿轮( 3G); 所述齿轮( 30) 与每个所述齿轮(15 ) 的相应的第二齿轮段(152 ) 啮合;
8、 根据权利要求 4 所述的传动机构, 其特征在于, 每个所述 齿轮(15) 的相应的第三齿轮段 (153) 与每个所述齿轮 (28) 的 相应的第一齿轮段 (281)啮合。
9、 根据权利要求 4 所述的传动机构 (8), 其特征在于, 所迷 齿轮段 (152、 153) 具有相同的尺寸与形状。
10、 一种用于产生双向洗涤的洗衣机, 其包括一个外桶 ( 3)、 一个设置在所述外桶内的内桶 (4)、 一个设置在所述内桶 (4 ) 的 底部的搅拌器 (5)、 一个内桶轴 (11) 以及一个搅拌器轴 ( 10); 其特征在于, 其包括: 一个用于产生双向驱动的传动机构 ( 8), 所述传动机构包括一个动力输入端, 其与一个动力源 ( 9)相连; 和两个动力输出端, 其中一个所述输出端与所述搅拌器轴 ( 10) 的一端相连, 并使所述搅拌器轴沿一第一方向转动; 所述搅拌器 轴的另一端安装在所述搅拌器 (5) 上; 另一动力输出端与所述内 桶轴 ( 11 ) 的一端相连, 并使所述内桶轴沿与所述笫一方向相反 的笫二方向转动, 所述内桶轴的另一端安装在所述内桶 ( 4) 上。
11、 根据权利要求 10 所述的洗衣机, 其特征在于, 所述内桶 轴 ( 11 ) 是中空的, 所述搅拌器轴 ( 10) 可转动地设置在所述内 桶轴 ( 11 ) 的内部, 所述内桶轴与所述搅拌器轴彼此相互沿相反 的方向转动。
12、 根据权利要求 10 所述的洗衣机, 其特征在于, 所述传动 机构还包括一个齿轮箱 (13), 所述内桶轴 ( 11) 与所迷搅拌器轴
( 10) 的一端分别设置在所述齿轮箱内。
13、 根据权利要求 12 所述的洗衣机, 其特征在于, 所述齿轮 箱 ( 13) 包括:
至少两对齿轮釉 (16、 29), 其相对于所述曲轴箱的纵向轴线 径向对称布置;
至少一对分别设置在其中一对所述齿轮轴 ( 16 ) 上的齿轮 ( 28), 其具有二个齿轮段 ( 281、 282 );;
至少一对分别设置在另一对所迷齿轮轴(29)上的齿轮( 15), 其具有三个齿轮段 ( 151、 152、 153);。
14、 4艮据权利要求 13 所述的洗衣机, 其特征在于, 其还包括 一个主动轴 (20), 其一端安装有齿轮 ( 24), 所述齿轮( 24) 与 每个所述齿轮(28 ) 的相应的笫一齿轮段( 282 ) 啮合。
15、 根据权利要求 13 或 14 所述的洗衣机, 其特征在于, 所 迷中空的内桶轴( 11)的一端安装一个齿轮(12 ); 所述齿轮( 12 ) 与每个所述齿轮(28 ) 的相应的第二齿轮段 ( 282 )啮合;
16、 才艮据权利要求 13 或 14 所述的洗衣机, 其特征在于, 所 述搅拌器轴 (10) 的一端安装有一个齿轮( 30); 所述齿轮( 30) 与每个所述齿轮( 15 ) 的相应的第二齿轮段 ( 152 ) 啮合;
17、 根据权利要求 14 所述的洗衣机, 其特征在于, 每个所迷 齿轮 (15 ) 的相应的笫三齿轮段 ( 153) 与每个所述齿轮 (28 ) 的 相应的第一齿轮段 (281 ) 啮合。
18、 根据权利要求 14 所述的洗衣机, 其特征在于, 所述齿轮 段 (152、 153 ) 具有相同的尺寸与形状。
19、 根据权利要求 10所述的洗衣机, 其特征在于, 所述搅拌 器是一个盘形件, 所述盘形件的上表面上具有至少一个朝上的突 起。
20、 根据权利要求 19 所述的洗衣机, 其特征在于, 所述搅拌 器是圆筒形的, 所述搅拌器的内底表面上设有至少一个朝上的突 起。
21、 根据权利要求 19 所述的洗衣机, 其特征在于, 所述搅拌 器是圆筒形的, 所述搅拌部分的内侧壁上设有至少一个径向向内 的突起。
22、 根据权利要求 19 所述的洗衣机, 其特征在于, 所述搅拌 器的突起是不规则的。
23、 根据权利要求 19 所述的洗衣机, 其特征在于, 所述内桶 在其内侧壁上设有至少一个径向向内的突起。
24、 才艮据权利要求 19 所述的洗衣机, 其特征在于, 所述内桶 ( 4 ) 在其设有开口的端壁上设有一个平衡环。
25、 4艮据权利要求 19 所迷的洗衣机, 其特征在于, 所述内桶 ( 4 ) 在其侧壁上设有台阶, 以形成具有不同直径的圆筒部段。
26、 根据权利要求 23 所迷的洗衣机, 其特征在于, 所述突起 是不规则的。
27、 一种适合于在洗衣机中产生双向洗 '涤的洗涤方法, 其中, 使一内桶沿一个方向转动, 所述方法包括:
将一搅拌器轴 ( 10) 和一内桶轴 ( 11 ) 分别连接到一个具有 两个输出端的传动机构上, 将所述搅拌器轴 ( 10) 和一中空的内 桶轴 ( 11) 分别连接于设置在两个所述动力输出端上;
将所述搅拌器轴( 10 )可转动地设置在所述中空的内桶轴( 11 ) 中;
使所述内桶轴 (11) 沿一第一方向转动; 且
使搅拌器轴 (10) 沿与所述第一方向相反的笫二方向转动。
28、 根据权利要求 27 所述洗涤方法, 其特征在于, 将所述 传动机构设置成具有两个输出端和输入端, 所述两个输入端联接 于两个不同的动力源, 而所述两个输出端分别联接于所述搅拌器 轴 ( 10) 和所述内桶轴 ( 13)。
PCT/CN2002/000415 2001-10-18 2002-06-12 Procede de lavage a contre-rotation et dispositif de transmission WO2003033803A1 (fr)

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KR1020047005570A KR100696327B1 (ko) 2001-10-18 2002-06-12 양방향 회전을 위한 전동 기구와, 양방향 세탁을 이루기위한 세탁기 및 그 세탁 방법과, 관련 내부 바스켓 및교반기
JP2003536518A JP5180423B2 (ja) 2001-10-18 2002-06-12 逆転洗濯方法および伝動機
US10/492,786 US7475445B2 (en) 2001-10-18 2002-06-12 Counter-rotation wash method and transmission machine
HK04108485A HK1065831A1 (en) 2001-10-18 2004-10-28 Counter-ratation wash method and transmission machine

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CN01269651.X 2001-10-18
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CNB01127557XA CN1151324C (zh) 2001-10-18 2001-10-18 一种双向洗涤方法及其洗衣机

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CN1520479A (zh) 2004-08-11
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US20050039496A1 (en) 2005-02-24
JP2005505393A (ja) 2005-02-24
US7475445B2 (en) 2009-01-13
CN1281809C (zh) 2006-10-25

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