WO2018176748A1 - 轨道机构和具有其的滚筒洗衣机 - Google Patents

轨道机构和具有其的滚筒洗衣机 Download PDF

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Publication number
WO2018176748A1
WO2018176748A1 PCT/CN2017/102325 CN2017102325W WO2018176748A1 WO 2018176748 A1 WO2018176748 A1 WO 2018176748A1 CN 2017102325 W CN2017102325 W CN 2017102325W WO 2018176748 A1 WO2018176748 A1 WO 2018176748A1
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WO
WIPO (PCT)
Prior art keywords
track
rail
washing machine
moving
drum washing
Prior art date
Application number
PCT/CN2017/102325
Other languages
English (en)
French (fr)
Inventor
仝帅
何虎成
赵长兴
刘志刚
谈路福
姜涛
余鑫
唐雨生
Original Assignee
无锡小天鹅股份有限公司
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 无锡小天鹅股份有限公司 filed Critical 无锡小天鹅股份有限公司
Priority to EP17903463.2A priority Critical patent/EP3604659B1/en
Priority to JP2019529626A priority patent/JP6845326B2/ja
Publication of WO2018176748A1 publication Critical patent/WO2018176748A1/zh
Priority to US16/578,151 priority patent/US11585033B2/en

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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
    • 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
    • D06F37/18—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 
    • D06F23/02—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 horizontal 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
    • D06F37/28—Doors; Security 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
    • 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

Definitions

  • the present invention relates to the field of laundry treatment equipment, and more particularly to a rail mechanism and a drum washing machine having the same.
  • the door unit of the drum washing machine is connected to the bearing through the support plate, and the support plate is provided with a rail portion that cooperates with the bearing, so the support plate needs to be made of a material with good wear resistance.
  • the support plate is a single unitary piece, if all of the wear-resistant materials are processed, the processing performance and cost are too high; if all the materials are easy to process and low-cost, the wear resistance of the obtained support plate is obtained. Poor, short life.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a track mechanism which is highly reliable in use.
  • the present invention also proposes a drum washing machine having the above-described rail mechanism.
  • a rail mechanism includes: a base body provided with a rail portion for guiding movement of the object to be moved along the rail portion; the base body includes a support body and a rail body, and the rail portion is disposed at The rail body; the support body and the rail body are laminated and combined with each other; the rail body has higher wear resistance than the support body.
  • the support body and the track body are respectively manufactured by using materials having different wear resistance, and then assembled to form the base body, since the wear resistance of the track body is higher than that of the support body, thereby improving the wear resistance of the base body.
  • Sexuality enables the substrate to meet both performance requirements and production cost requirements, thereby reducing production costs while meeting performance requirements, and improving the cost performance of the track mechanism.
  • the track portion comprises a plurality of segments of mutually spaced tracks.
  • the support body and the rail body are connected by a connecting piece.
  • the connecting member is a screw
  • the support body and the rail body are combined by means of inlay or in-mold die casting.
  • the track portion is an arcuate groove.
  • a drum washing machine includes: a housing having a front panel, the front panel being formed with an open opening; and a tub member having a laundry pick-and-place port, the tub member being disposed at Inside the housing and configured such that the laundry pick-and-place opening moves up and down within the open opening; a rotatable drum disposed in the barrel; the door unit, Mounted on the bucket member and covering the clothes pick-and-place port; as in the above-described embodiment, the track mechanism is the door unit, and the door unit is guided by the track mechanism Lower and downward movement within the open opening.
  • the use reliability can be improved.
  • a moving portion is further included, the moving portion being adapted to move along the track portion; the door unit being coupled to the moving portion through a connecting portion.
  • the moving portion includes a body and a movable end that is rotatable relative to the body, and a rolling body is disposed between the moving end and the body; the moving end is adapted to be embedded in the track portion and Rotate along the track portion.
  • the rolling bodies are balls.
  • a portion of the moving end that is in contact with the rail portion is provided with an inner recess, and the inner recess cooperates with the rail portion.
  • the track mechanism is two sets, which are respectively symmetrically disposed on two sides of the casing.
  • FIG. 1 is an assembled view of a track mechanism in accordance with one embodiment of the present invention
  • Figure 2 is an exploded view of the track mechanism shown in Figure 1;
  • Figure 3 is an exploded view of a track mechanism in accordance with still another embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a track mechanism and a door unit assembled at a viewing angle according to an embodiment of the present invention
  • FIG. 5 is a structural schematic view of another view from the perspective of assembling a rail mechanism and a door unit according to an embodiment of the present invention.
  • the support body 10 The support body 10, the guide portion 11, the rail body 20, the rail portion 21, the connector 30, the door unit 40, and the moving portion 50.
  • the track mechanism A includes a base body.
  • the base body is provided with a rail portion 21 for guiding a movement of a moving body (not shown) along the rail portion 21.
  • the base body includes a support body 10 and a rail body 20, and the rail portion 21 is disposed on the rail body 20.
  • the support body 10 and the rail body 20 are laminated and combined with each other and the wear resistance of the rail body 20 is higher than that of the support body 10.
  • the support body 10 and the rail body 20 are separately manufactured by using materials having different wear resistance, and then assembled to form a base body, since the wear resistance of the rail body 20 is higher than that of the support body 10, thereby The wear resistance of the base body is improved, so that the combined base body can balance the performance requirements and the production cost requirements, thereby reducing the production cost while satisfying the performance requirements, and is advantageous for improving the cost performance of the track mechanism A.
  • the support body 10 is provided with a guide portion 11 corresponding to the rail portion 21. That is, the guide portion 11 has the same shape and position as the rail portion 21, and the rail portion 21 and the guide portion 11 respectively form an arcuate groove body penetrating the rail body 20 and the thickness direction of the support body 10. Thereby, the rail portion 21 and the guide portion 11 constitute a new curved groove body having a large depth.
  • the surface area of the rail body 20 is smaller than the surface area of the support body 10, and the rail body 20 covers the position of the support body 10 adjacent to the guide portion 11, thereby reinforcing the structural strength of the position of the support body 10 adjacent to the guide portion 11 and Wear resistance.
  • the rail body 20 may be fabricated from a high-strength wear-resistant material, and the support body 10 may be fabricated using materials and processes having high processability, high strength, and low cost, and then the rail body 20 is attached to the support body 10. . Since the wear resistance of the rail body 20 is higher than that of the support body 10, the processing property of the support body 10 is good and the processing cost is low, so that the matrix formed after the combination can take into consideration the advantages of both, and ensure the rail body 20 and the moving portion. The reliability of the 50-fit, taking into account the performance requirements and production costs, thereby improving the cost performance of the track mechanism A.
  • the moving body can be coupled to a moving portion, and the moving portion moves along the rail portion 21.
  • the track portion 21 includes a plurality of sections of mutually spaced tracks.
  • the moving portion includes a plurality of one-to-one correspondence with the plurality of track positions.
  • the track body 20 is provided with two rail portions 21, each of which is an arcuate trough.
  • the two arcuate troughs may be distributed circumferentially along the same circumference or may be spaced apart in the radial direction, as will be understood by those skilled in the art.
  • the support body 10 and the rail body 20 are detachably coupled by a connector 30.
  • the connecting member 30 may be a plurality of screws, and the plurality of screws are arranged along the circumferential direction of the rail portion 21 to ensure the reliability of the connection between the rail body 20 and the support body 10, and at the same time, the relative orientation of the rail body 20 and the support body 10 can be ensured.
  • the side is tightly attached to enhance the overall performance of the substrate.
  • the support body 10 and the rail body 20 are combined by inlaying or in-mold die casting.
  • the rail body 20 and the support body 10 are respectively provided with a shape corresponding to the shape and position, and when the rail body 20 is assembled with the support body 10, the protrusions on the rail body 20 are pressed into the support body 10.
  • the groove is pressed into the shape, thereby achieving the fastening connection of the two, the operation is simple, and the connection reliability is high.
  • drum washing machine (not shown) according to an embodiment of the second aspect of the present invention will be described below with reference to Figs. It is to be noted that, in the present invention, the drum washing machine may refer to a laundry treating apparatus having a laundry function, such as a so-called “washing machine” or "drum washing and drying machine”.
  • a drum washing machine includes a housing (not shown), a tub member (not shown), a rotatable drum (not shown), a door unit 40, and the above embodiment.
  • Orbital mechanism A is
  • the housing has a front panel and an open opening is formed in the front panel.
  • the tub member has a laundry pick-and-place opening, the tub member being disposed within the housing and configured to cause the garment access opening to move up and down within the open opening.
  • a rotatable drum is disposed within the barrel.
  • the door unit 40 is mounted on the tub member and covers the laundry pick-and-place port.
  • the door unit 40 is a moving body. In operation, the door unit 40 can swing with the barrel in a vertical plane, while the door unit 40 moves up and down within the open opening under the guidance of the track mechanism A.
  • the performance requirement and the production cost can be balanced, thereby ensuring the reliability of use of the drum washing machine, Improve the cost performance of the drum washing machine.
  • the drum washing machine further includes a moving portion 50 adapted to move along the rail portion 21.
  • the door unit 40 is coupled to the moving portion 50 via a connecting portion (not shown).
  • the door unit 40 is caused to swing together, and at the same time, the moving portion 50 on the door unit 40 moves along the rail portion 21 of the rail mechanism A.
  • the track mechanism A is provided on one side of the door unit 40 (the right side of the door unit 40 as shown in FIGS. 4 and 5).
  • the rail body 20 is located on the side of the support body 10 facing the door unit 40 (the left side of the support body 10 as shown in FIG. 5).
  • the rail mechanism A and the door unit 40 are connected by the cooperation of the moving portion 50 and the rail portion 21.
  • the structure is simple, compact and reliable.
  • the rail portion 21 may form a circumferentially extending arcuate groove around the center of oscillation of the bucket member. Therefore, when the door unit 40 is in motion, the moving portion 50 on the door unit 40 always slides along the rail portion 21, and the cooperation of the rail portion 21 and the moving portion 50 can achieve the effect of limiting the position, and can further achieve the purpose of supporting the door unit 40. Improve the stability and reliability of structural operation.
  • the moving portion 50 includes a body and a movable end that is rotatable relative to the body.
  • the body is connected to the door unit 40 through a connection portion.
  • the moving ends can be jacketed on the body and spaced radially apart from the body.
  • a rolling body is arranged between the moving end and the body, and the rolling body is a ball.
  • the moving end is adapted to be embedded in the rail portion 21 and Rotate along the track portion 21.
  • the portion of the moving end that is in contact with the rail portion 21 is provided with an inner recess that cooperates with the rail portion 21. That is, the moving end of the moving portion 50 may form an annular structure extending in the thickness direction of the base body and having both ends larger in size than the middle portion. Thereby, the moving portion 50 is straddled on the base body, and the inner concave portion in the middle portion of the moving end is engaged with the inner wall of the curved groove, so that the moving portion 50 can be prevented from being detached from the base body, thereby ensuring the reliability of the moving portion 50 and the base body.
  • the structure of the moving portion 50 of the drum washing machine of the present invention is not limited thereto.
  • the moving portion 50 may be formed to span a pulley provided on the base body, and the rotating shaft of the pulley is connected to the door unit 40 through the connecting portion.
  • the track mechanism A is two groups, and the two sets of track mechanisms A are symmetrically disposed on both sides of the casing. Specifically, two track mechanisms A are respectively disposed on the left and right sides of the door unit 40 and one of the track mechanisms A is opposite to the inner wall of the left side wall of the casing, and the other track mechanism A is opposite to the inner wall of the right side wall of the casing .
  • the door unit 40 moves under the guidance of the two rail mechanisms A, and the structure is stable and reliable.
  • the drum washing machine according to the embodiment of the present invention has a simple and compact structure, high use reliability, and can meet both performance requirements and production costs, and is cost-effective.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

一种轨道机构和具有其的滚筒洗衣机，所述轨道机构包括：基体，设有轨道部(21)，用于引导待动体沿所述轨道部(21)运动；所述基体包括支撑体(10)及轨道体(20)，所述轨道部(21)设于所述轨道体(20)上；所述支撑体(10)及所述轨道体(20)互相层叠并组合；所述轨道体(20)的耐磨性高于所述支撑体(10)。

Description

轨道机构和具有其的滚筒洗衣机 技术领域
本发明涉及衣物处理设备技术领域，更具体地，涉及一种轨道机构和具有其的滚筒洗衣机。
背景技术
相关技术中滚筒洗衣机的门单元通过支撑板与轴承连接，支撑板上设有与轴承配合的轨道部，因此支撑板需要使用耐磨性能好的材质制造。然而，由于支撑板为结构单一的整体件，若全部采用耐磨性材料加工，其加工性能和成本均太高；若全部采用易加工、低成本的材质，制得的支撑板的耐磨性能差，使用寿命短。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明提出一种轨道机构，所述轨道机构的使用可靠性高。
本发明还提出一种具有上述轨道机构的滚筒洗衣机。
根据本发明第一方面实施例的轨道机构，包括：基体，设有轨道部，用于引导待动体沿所述轨道部运动；所述基体包括支撑体及轨道体，所述轨道部设于所述轨道体上；所述支撑体及所述轨道体互相层叠并组合；所述轨道体的耐磨性高于所述支撑体。
根据本发明实施例的轨道机构，通过采用耐磨性不同的材料分别制造支撑体和轨道体，然后再组装形成基体，由于轨道体的耐磨性高于支撑体，由此提升基体的耐磨性，使基体可以兼顾性能要求和生产成本要求，从而在满足性能要求的同时降低生产成本，有利于提升轨道机构的性价比。
根据本发明的一个实施例，所述轨道部包括多段互相间隔的轨道。
根据本发明的一个实施例，所述支撑体与所述轨道体通过连接件进行连接。
可选地，所述连接件为螺钉；
根据本发明的一个实施例，所述支撑体与所述轨道体通过嵌设或模内压铸的方式进行组合。
可选地，所述轨道部为弧形槽体。
根据本发明第二方面实施例的滚筒洗衣机，包括：壳体，具有前面板，所述前面板上形成有敞开口；桶件，所述桶件具有衣物取放口，所述桶件设置在所述壳体内且被配置成使得所述衣物取放口在所述敞开口内上下活动；可旋转的滚筒，设置于所述桶件内；门单元，安 装在所述桶件上，并覆盖在所述衣物取放口上；如上述实施例所述的轨道机构，所述待动体为所述门单元，所述门单元在所述轨道机构的引导下在所述敞开口内上下活动。
根据本发明实施例的滚筒洗衣机，通过采用上述实施例所述的轨道机构，可以提升使用可靠性。
根据本发明的一个实施例，还包括运动部，所述运动部适于沿所述轨道部运动；所述门单元通过一连接部与所述运动部连接。
可选地，所述运动部包括本体及相对于所述本体可转动的运动端，所述运动端与所述本体之间设有滚动体；所述运动端适于嵌入所述轨道部内且可沿所述轨道部转动。
可选地，所述滚动体为滚珠。
进一步地，所述运动端与所述轨道部接触的部分设有内凹部，所述内凹部与所述轨道部配合。
根据本发明的一个实施例，所述轨道机构为两组，分别对称设于所述壳体的两侧。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本发明一个实施例的轨道机构的组装图；
图2是图1中所示的轨道机构的分解图；
图3是根据本发明又一个实施例的轨道机构的分解图；
图4是根据本发明实施例的轨道机构与门单元组装后在一个视角的结构示意图；
图5是根据本发明实施例的轨道机构与门单元组装后在另一个视角的结构示意图。
附图标记：
支撑体10、导向部11、轨道体20、轨道部21、连接件30、门单元40、运动部50。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“顶”、“底”“内”、“外”、“轴向”、“径向”、“周向”等指示的方 位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
下面参考图1-图3描述根据本发明第一方面实施例的轨道机构A。
如图1-图3所示，根据本发明实施例的轨道机构A包括基体。所述基体设有用于引导待动体(未示出)沿轨道部21运动的轨道部21。所述基体包括支撑体10及轨道体20，轨道部21设于轨道体20上。支撑体10及轨道体20互相层叠并组合且轨道体20的耐磨性高于支撑体10。
根据本发明实施例的轨道机构A，通过采用耐磨性不同的材料分别制造支撑体10和轨道体20，然后再组装形成基体，由于轨道体20的耐磨性高于支撑体10，由此提升基体的耐磨性，使组合后的基体可以兼顾性能要求和生产成本要求，从而在满足性能要求的同时降低生产成本，有利于提升轨道机构A的性价比。
其中，支撑体10上设有与轨道部21对应的导向部11。也就是说，导向部11与轨道部21的形状相同、位置对应，且轨道部21和导向部11分别形成贯穿轨道体20和支撑体10的厚度方向的弧形槽体。由此轨道部21和导向部11构成新的深度较大的弧形槽体。
可选地，轨道体20的表面积小于支撑体10的表面积，且轨道体20覆盖在支撑体10的邻近导向部11的位置处，从而加强支撑体10的邻近导向部11的位置的结构强度和耐磨性。
在一些示例中，轨道体20可以采用强度高的耐磨材料制造，而支撑体10可以采用加工性能好、强度高、成本低的材质和工艺制造，然后将轨道体20连接在支撑体10上。由于轨道体20的耐磨性能高于支撑体10的耐磨性能，支撑体10的加工性能好、加工成本低，使得组合后形成的基体可以兼顾二者的优点，保证轨道体20与运动部50配合的可靠性，兼顾了性能要求和生产成本，从而提升了轨道机构A的性价比。
根据本发明的一个实施例，待动体可以与一运动部连接，运动部沿轨道部21运动。轨道部21包括多段互相间隔的轨道。对应地，运动部包括与多段轨道位置一一对应的多个。由此既提升了基体对待动体的支撑作用，还使待动体沿轨道部21运动得更顺畅、可靠。
在一些示例中，轨道体20上设有两个轨道部21，每个轨道部21为弧形槽体。两个弧形槽体可以沿同一圆周的周向间隔分布，也可以沿径向间隔分布，对此，本领域技术人员都是可以理解的。
如图1和2所示，在一些可选的示例中，支撑体10与轨道体20通过连接件30可拆卸地连接。例如，连接件30可以为多个螺钉，多个螺钉沿轨道部21的周向间隔布置，保证轨道体20与支撑体10的连接可靠性，同时还可以保证轨道体20与支撑体10的相对侧面紧贴一体，提升基体的综合性能。
如图3所示，在另一些可选的示例中，支撑体10与轨道体20通过嵌设或模内压铸的方式进行组合。例如，制造时，轨道体20和支撑体10上分别设有形状和位置对应的压型，轨道体20与支撑体10组装时，将轨道体20上的凸起压型压入支撑体10上的凹槽压型内，从而实现二者的紧固连接，操作简单，连接可靠性高。
下面结合图1-图5描述根据本发明第二方面实施例的滚筒洗衣机(图中未示出)。需要指出的是，在本发明中，所述滚筒洗衣机可以指的是具有洗衣功能的衣物处理装置，例如通常所说的“洗衣机”或“滚筒洗干一体机”。
根据本发明实施例的滚筒洗衣机包括：壳体(图中未示出)、桶件(图中未示出)、可旋转的滚筒(图中未示出)、门单元40和上述实施例所述的轨道机构A。
所述壳体具有前面板且前面板上形成有敞开口。桶件具有衣物取放口，桶件设置在壳体内且被配置成使得衣物取放口在敞开口内上下活动。可旋转的滚筒设置于桶件内。门单元40安装在桶件上，并覆盖在衣物取放口上。
门单元40为待动体，工作时，门单元40可随桶件在竖直平面内摆动，同时门单元40在轨道机构A的引导下在敞开口内上下活动。
根据本发明实施例的滚筒洗衣机，通过采用具有由支撑体10和轨道体20组合形成的基体的轨道机构A，可以兼顾性能要求和生产成本，从而在保证滚筒洗衣机的使用可靠性的基础上，提升滚筒洗衣机的性价比。
如图4和图5所示，根据本发明的一个实施例：滚筒洗衣机还包括运动部50，运动部50适于沿轨道部21运动。门单元40通过一连接部(图中未示出)与运动部50连接。桶件在竖直面内摆动时带动门单元40一起摆动，与此同时，门单元40上的运动部50沿轨道机构A的轨道部21运动。
在一些示例中，轨道机构A设在门单元40的一侧(如图4和图5所示的门单元40的右侧)。其中，轨道体20位于支撑体10的朝向门单元40的一侧(如图5所示的支撑体10的左侧)。轨道机构A与门单元40通过运动部50与轨道部21的配合实现连接。由此结构简单、紧凑，连接可靠。
轨道部21可以形成绕桶件的摆动中心的周向延伸的弧形槽体。从而门单元40在运动时，门单元40上的运动部50始终沿轨道部21滑动，轨道部21与运动部50的配合既可以实现限位的效果，又可以进一步达到支撑门单元40的目的，提高结构运行的稳定性和使用可靠性。
在一些示例中，运动部50包括本体及相对于本体可转动的运动端。本体通过连接部与门单元40连接。在一些具体的示例中，运动端可以外套在本体上且与本体在径向上、间隔开布置。运动端与本体之间设有滚动体，滚动体为滚珠。运动端适于嵌入轨道部21内且可 沿轨道部21转动。桶件摆动时，运动部50的本体相对于门单元40静止不动，而运动端相对于本体转动，运动稳定、可靠。
在一些可选的示例中，运动端与轨道部21接触的部分设有内凹部，内凹部与轨道部21配合。也就是说，运动部50的运动端可以形成沿基体的厚度方向延伸且两端尺寸大于中部尺寸的环状结构。由此，运动部50跨装在基体上，使运动端中部的内凹部与弧形槽体内壁配合，可以防止运动部50从基体上脱离，进而保证运动部50与基体配合的可靠性。
当然，本发明的滚筒洗衣机的运动部50的结构并不限于此，例如运动部50还可以形成跨设在基体上的滑轮，滑轮的转轴通过连接部与门单元40连接。
根据本发明的另一些实施例，轨道机构A为两组，两组轨道机构A分别对称设于壳体的两侧。具体地，两个轨道机构A分别设在门单元40的左右两侧且其中一个轨道机构A与壳体左侧壁的内壁正对，另一个轨道机构A与壳体右侧壁的内壁正对。桶件摆动时，门单元40在两个轨道机构A的引导下活动，结构稳定、可靠。
因此，根据本发明实施例的滚筒洗衣机的结构简单、紧凑，使用可靠性高，可以兼顾性能要求和生产成本，性价比高。
根据本发明实施例的滚筒洗衣机的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (12)

  1. 一种轨道机构，包括：基体，设有轨道部，用于引导待动体沿所述轨道部运动；其特征在于，所述基体包括支撑体及轨道体，所述轨道部设于所述轨道体上；所述支撑体及所述轨道体互相层叠并组合；所述轨道体的耐磨性高于所述支撑体。
  2. 根据权利要求1所述的轨道机构，其特征在于，所述轨道部包括多段互相间隔的轨道。
  3. 根据权利要求1或2所述的轨道机构，其特征在于，所述支撑体与所述轨道体通过连接件进行组合。
  4. 根据权利要求3所述的轨道机构，其特征在于，所述连接件为螺钉。
  5. 根据权利要求1或2所述的轨道机构，其特征在于，所述支撑体与所述轨道体通过嵌设或模内压铸的方式进行组合。
  6. 根据权利要求1-5任一项所述的轨道机构，其特征在于，所述轨道部为弧形槽体。
  7. 一种滚筒洗衣机，包括：
    壳体，具有前面板，所述前面板上形成有敞开口；
    桶件，所述桶件具有衣物取放口，所述桶件设置在所述壳体内且被配置成使得所述衣物取放口在所述敞开口内上下活动；
    可旋转的滚筒，设置于所述桶件内；
    门单元，安装在所述桶件上，并覆盖在所述衣物取放口上；
    其特征在于，还具有如权利要求1-6任一项所述的轨道机构，所述待动体为所述门单元，所述门单元在所述轨道机构的引导下在所述敞开口内上下活动。
  8. 根据权利要求7所述的滚筒洗衣机，其特征在于，还包括运动部，所述运动部适于沿所述轨道部运动；所述门单元通过一连接部与所述运动部连接。
  9. 根据权利要求8所述的滚筒洗衣机，其特征在于，所述运动部包括本体及相对于所述本体可转动的运动端，所述运动端与所述本体之间设有滚动体；所述运动端适于嵌入所述轨道部内且可沿所述轨道部转动。
  10. 根据权利要求9所述的滚筒洗衣机，其特征在于，所述滚动体为滚珠。
  11. 根据权利要求9或10所述的滚筒洗衣机，其特征在于，所述运动端与所述轨道部接触的部分设有内凹部，所述内凹部与所述轨道部配合。
  12. 根据权利要求5-11任一项所述的滚筒洗衣机，其特征在于，所述轨道机构为两组，分别对称设于所述壳体的两侧。
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