WO2020192615A1 - 门体及装有门体的洗衣机 - Google Patents

门体及装有门体的洗衣机 Download PDF

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Publication number
WO2020192615A1
WO2020192615A1 PCT/CN2020/080603 CN2020080603W WO2020192615A1 WO 2020192615 A1 WO2020192615 A1 WO 2020192615A1 CN 2020080603 W CN2020080603 W CN 2020080603W WO 2020192615 A1 WO2020192615 A1 WO 2020192615A1
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WIPO (PCT)
Prior art keywords
door cover
friction
door
connection end
friction plate
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PCT/CN2020/080603
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English (en)
French (fr)
Inventor
赵志强
许升
吕佩师
Original Assignee
青岛海尔洗衣机有限公司
海尔智家股份有限公司
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Application filed by 青岛海尔洗衣机有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2020192615A1 publication Critical patent/WO2020192615A1/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
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/28—Doors; Security means therefor

Definitions

  • This application relates to the technical field of washing machines, for example, to a door body and a washing machine equipped with the door body.
  • the washing machine pan seat is usually provided with a hinge plate, and the upper cover of the washing machine is installed on the pan seat through a damper hinged to the hinge plate.
  • the damper rotates relative to the hinge plate to prevent the upper cover from rotating. The cover falls too fast and there is a crashing sound or pinching the user.
  • a damper is installed on almost all washing machines, there is still the problem of failure of the end of the damper, which causes excessive noise when the upper cover is closed.
  • the damping effect is also good, but the damping performance of the oil will be significantly affected with the increase and decrease of temperature When the temperature is high, the damping force will decrease, which will affect the damping effect on the upper cover; at the same time, the upper cover of the washing machine is too mobile, which causes the upper cover to be unable to fix the position after opening.
  • the present application provides a door body and a washing machine equipped with the door body to realize the parking of the door cover at any angle.
  • a door body includes a mounting frame and a door cover, wherein one end of the door cover is a rotating connection end, the rotating connection end of the door cover is rotatably connected with a mounting frame, and the end connecting the mounting frame and the door cover is provided with The friction surface corresponding to the rotating connection end of the door cover, during the closing process of the door cover, the outer circumference of the rotation connection end of the door cover and the friction surface frictionally contact, generating friction to slow down the closing speed of the door cover.
  • the present application provides a washing machine with the door body as described above installed on the washing machine.
  • Figure 1 is a schematic structural diagram of a washing machine in an embodiment of the present application
  • FIG. 2 is a partial enlarged view of the washing machine when the door cover is fully opened in the embodiment of the present application;
  • FIG. 3 is a partial enlarged view of the washing machine in the process of closing the door cover in the embodiment of the present application;
  • FIG. 5 is a partial enlarged view of the washing machine when the door cover is fully opened in another embodiment of the present application.
  • Fig. 6 is a partial enlarged view of the washing machine in the process of closing the door cover in another embodiment of the present application;
  • Fig. 7 is a partial enlarged view of the washing machine when the door cover is completely closed in another embodiment of the present application.
  • connection should be interpreted broadly unless otherwise clearly specified and limited. For example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediate medium.
  • connection should be interpreted broadly unless otherwise clearly specified and limited. For example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediate medium.
  • this embodiment introduces a door body that can be used for different household appliances, such as pulsator washing machines, drum washing machines, dishwashers, etc.
  • the door body includes a door cover 1 And the installation frame 2, the installation frame 2 is provided with a throwing port, the user can put items such as clothes to be cleaned into the household appliance through the throwing port, the door cover 1 is connected to the installation frame 2, and the door cover 1 can be turned over Open or close the drop opening on the mounting frame.
  • the door cover 1 is arranged above the mounting frame 2, and the door cover 1 is rotatably connected with the corresponding end of the mounting frame 2.
  • This end of the door cover is defined as the rotating connecting end 11, and the mounting frame 2 is connected to the door cover 1.
  • One end of the door cover is provided with a friction surface 21 corresponding to the rotating connection end 11 of the door cover.
  • the door cover uses the rotating connection end and the mounting frame to generate damping friction, which slows down the closing speed, avoids excessive closing noise due to the failure of the damper, and avoids the situation that the closing speed is too fast and the hand is clamped.
  • the structure is simple. Easy to repair.
  • the outer periphery of the rotating connecting end 11 of the door cover 1 may be provided with a pattern, and the outer periphery of the rotating connecting end 11 is directly in frictional contact with the friction surface 21 to generate friction and slow the closing speed of the door cover 1; or, the door cover 1
  • a friction plate 12 is provided between the outer circumference of the rotating connection end 11 and the friction surface 21.
  • the friction plate 12 is in frictional contact with the outer circumference of the rotation connection end 11 of the door cover 1 and the friction surface 21, Generate friction to slow down the closing speed of the door cover 1.
  • the end of the mounting frame 2 connected to the door cover 1 is provided with a friction surface 21 corresponding to the rotating connection end 11 of the door cover 1, and the rotation connection end 11 of the door cover 1 and the friction surface 21 There is a friction plate 12 therebetween. During the opening and closing process of the door cover, the friction plate 12 is in frictional contact with the rotating connection end 11 and the friction surface 21 of the door cover 1 at the same time.
  • the end of the mounting frame 2 connected with the door cover 1 is bent toward the door cover 1 to form a groove, and the rotating connecting end 11 of the door cover 1 is installed in the groove, and the groove faces the inner wall of the rotating connecting end 11.
  • a friction surface 21 is formed.
  • the friction surface 21 extends outward along the outer circumference of the rotating connection end 11 of the door cover 1 and wraps the rotation connection end 11 of the door cover 1 in the friction surface 21.
  • the friction surface 21 and the rotation of the door cover 1 There is a gap between the connecting ends 11, and the friction plate 12 is arranged in the gap between the rotating connecting end 11 of the door cover 1 and the friction surface 21.
  • the friction plate 12 can be separately arranged in the gap between the rotating connecting end 11 of the door cover 1 and the friction surface 21. During the whole process of opening and closing the door cover 1, the friction plate remains simultaneously with the door cover 1 and the friction surface. 21 Friction contact; or the friction plate 12 can be arranged on the side of the friction surface 21 facing the rotating connection end 11. During the whole process of opening and closing the door cover 1, the friction plate 12 on the friction surface 21 remains in the rotation connection with the door cover 1. The end 11 is in frictional contact, generating damping friction.
  • friction plate 12 is protrudingly provided on the outer circumference of the rotating connecting end 11 of the door cover 1, and is located on the side of the rotating connecting end 1 of the door cover 1 facing the friction surface 21, on the door cover 1 During the whole process of opening and closing, the friction plate 12 on the rotating connection end 11 of the door cover 1 always generates frictional damping force with the friction surface 21 on the mounting frame 2 to slow down the closing speed of the door cover 1.
  • the mounting frame 2 is set horizontally, and the door cover 1 is set above the mounting frame 2.
  • the door cover 1 can be opened up or down to close the throwing opening on the mounting frame 2.
  • the friction plate 12 is always in frictional contact with the friction surface 21 to generate a frictional force against the weight of the door cover 1, so that the door cover 1 is parked. After the user applies a small force on the door cover 1, the friction plate can be overcome 12 the friction generated to continue to close the door cover 1 or open the door cover 1.
  • the door cover 1 uses the friction plate 12 to generate friction with the mounting frame 2 during the opening and closing process of the door cover.
  • the self-weight of the door cover 1 is overcome to realize the parking of the door cover at any angle, which is convenient for user's operation.
  • the structure is simple and easy to maintain.
  • the top surface of the mounting frame 1 includes a horizontally extending separation surface 24.
  • the friction surface 21 is smoothly connected to the end of the separation surface 24 close to the rotating connection end 11 of the door cover 1, and the friction surface 21 is along the rotation connection end 11.
  • the outer circumference extends upward.
  • the door body further includes a rotating shaft, which passes through the rotating connecting end 11 of the door cover 1 and is connected to the mounting frame 2 to realize the rotating connection between the door cover 1 and the mounting frame 2, and the rotating shaft 1 is coaxial with the rotating connecting end 1.
  • the rotating connecting end 11 is in the shape of a semi-cylindrical extending in the horizontal direction, and the outer circumference of the rotating connecting end 11 is smoothly connected to the rest of the door cover 1.
  • the curvature of the friction surface 22 is consistent with the curvature of the semi-cylindrical rotating connecting end 11, and the connection point between the friction surface 22 and the separating surface 24 is located at the semi-cylindrical rotating connecting end 11 when the door cover 1 is in a vertical state.
  • the central axis surface parallel to the door cover.
  • the friction plate 12 is protrudingly provided on the rotating connection end 11 of the door cover 1, and the friction plate 12 and the rotation connection end 11 of the door cover 1 can be fixed in various ways
  • screw fixation, clamping fixation, adhesive fixation, etc. can be used, and any method that makes the friction plate 12 and the rotating connection end 11 of the door cover 1 fixedly connected can be used.
  • the friction plate 12 is arranged on the outer circumference of the rotating connecting end 11 of the door cover 1 far away from the throwing port. During the opening and closing process of the door cover 1, the friction plate 12 is always in frictional contact with the friction surface 22, resulting in frictional damping. The force slows down the closing speed of the door cover 1, or generates a friction force that offsets the weight of the door cover 1, overcomes the weight of the door cover 1, and realizes the parking of the door cover 1 at any angle.
  • the friction plate 12 can also be arranged on the side of the rotating connection end close to the loading port of the washing machine, and no matter where the friction plate is arranged at any position of the rotating connection end, when the door cover 1 is completely closed, the friction plate 12 does not exceed the friction surface 21 The outermost end.
  • the friction plate 12 is located on the central axis surface of the rotating connection end 11 of the door cover 1.
  • the friction plate 12 When the door cover 1 is fully opened, the friction plate 12 is located directly above the connection point of the friction surface 21 and the separation surface 24, and In frictional contact with this connection point, during the closing and opening process of the door cover 1, the friction plate 12 is always in frictional contact with the friction surface 22, generating frictional damping force, slowing down the closing speed of the door cover 1, or generating an offset with the weight of the door cover 1.
  • the friction plate 12 is flush with the outermost end of the friction surface 22.
  • the rotating connecting end 11 of the door cover 1 is provided with a plurality of friction plates 12, and the plurality of friction plates 12 are distributed at intervals along the axial direction of the rotating shaft; or, the rotating connecting end 11 of the door cover 1 is provided with one The friction plate 12 extends to both ends along the axial direction of the rotating shaft.
  • the material of the friction plate 12 is a polymer foam material.
  • the material of the friction plate 12 is a polyurethane microcellular foam material.
  • the friction surface 21 includes a fitting surface 22 and an avoiding surface 23, and a part of the friction surface 21 away from the throwing port runs along the door cover. 1
  • the outer circumference of the rotating connecting end 11 extends to form a fitting surface 22.
  • Another part of the friction surface 21 near the injection port is recessed inward to form an avoiding surface 23.
  • the fitting surface 22 and the avoiding surface 23 are smoothly connected.
  • the gap between the avoiding surface 23 and the rotating connecting end 11 of the door cover 1 is greater than the gap between the fitting surface 22 and the rotating connecting end 11 of the door cover 1, and during the rotation of the door cover 1,
  • the friction plate 12 always keeps out of contact with the avoidance surface 23.
  • the friction plate 12 rotates to an angle of ⁇ .
  • the friction plate 12 and the bonding surface 22 begin to come into frictional contact, generating a frictional damping force against the dead weight of the door cover 1, and when the user applies a small force to keep the door cover 1 closed, friction
  • the sheet 12 also rotates with the door cover 1 and is always in frictional contact with the affixing surface 22 until the door cover 1 completely closes the throwing opening.
  • the door cover 1 is limited by the frictional damping force, and the friction plate 12 can overcome the self-weight of the door cover and realize the parking of the door cover 1 at any angle without the user applying external force, which is convenient for the user to put items into the throwing port. It avoids that the closing speed is too fast, causing the user's hand to be pinched; at the same time, the door cover 1 is not limited by the damping force during the early stage of door closing and the late stage of opening, and the external force applied by the user can be reduced, saving time and effort.
  • this embodiment introduces a washing machine 10, the washing machine 10 includes a housing 3, the housing 3 is provided with a bucket, the bucket is provided with a washing device, the washing device includes a coaxial arrangement with the bucket
  • the washing tub 4 and the motor driving the rotation of the washing tub 4 are provided with a pulsator inside the washing tub 4, and the motor drives the washing tub 4 and the pulsator to rotate.
  • the clothes are cleaned by friction with the pulsator.
  • the washing machine is equipped with a door body as described in any one of the above embodiments 1 to 3.
  • the door body is installed on the top of the housing 3, and the tray seat of the washing machine forms a part of the mounting frame 2.
  • the frame 2 is fixedly connected with the housing 3, and the throwing opening on the mounting frame 2 corresponds to the opening of the washing tub 4.
  • the user can open the door cover 1 upwards and pass through the throwing opening of the mounting frame 2 and the bucket of the washing tub 4 in turn
  • the clothes to be washed are put into the washing tub 4 by the mouth.
  • the door cover 1 can be rotatably connected to the mounting frame 2 through a hinge structure 5 and a rotating shaft.
  • the friction plate 12 on the rotating connection end 11 of the door cover 1 and the mounting frame 2 The friction surface 22 frictionally touches and generates a frictional damping force.
  • the frictional damping force resists the gravity of the door cover 1.
  • the door cover 1 can park at any angle.
  • the friction plate 12 can replace the damping structure of the related art, avoiding the failure of the end of the damping structure, and the friction plate has a simple structure and is easy to repair and replace.

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

Abstract

本申请公开了一种门体，包括安装框和门盖，其中，所述门盖的一端为转动连接端，所述门盖的转动连接端与安装框相转动连接，安装框与门盖相连的一端设有与门盖的转动连接端相对应的摩擦面，在门盖闭合过程中，门盖的转动连接端的外周和摩擦面相摩擦接触，产生摩擦力以减缓门盖的闭合速度。本申请还公开了一种洗衣机，所述洗衣机上安装有如上所述的门体。

Description

门体及装有门体的洗衣机
本申请要求在2019年3月22日提交中国专利局、申请号为201910221177.7的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及洗衣机技术领域，例如涉及一种门体及一种装有该门体的洗衣机。
背景技术
洗衣机盘座上通常设置有铰链板，洗衣机上盖通过阻尼器铰接于铰链板的方式安装在盘座上，在洗衣机上盖的打开和关闭过程中，阻尼器相对于铰链板转动，可以防止上盖下落过快而出现撞击声或是夹伤用户。虽然几乎所有洗衣机上都会设置阻尼器，但是仍然存在阻尼器末端失效的问题，从而导致关闭上盖时噪音过大。特别对于油液式阻尼器，虽然油液式阻尼器在上盖关闭过程中能提供稳定的阻尼力，阻尼效果也较好，但是油液随温度的升高和降低，其阻尼性能会受到明显影响，当温度较高时，阻尼力会下降，影响对上盖的阻尼效果；同时，洗衣机上盖活动性太随意，导致打开后上盖无法固定位置。
发明内容
本申请提供一种门体及装有该门体的洗衣机，以实现门盖任意角度驻停。
一种门体，包括安装框和门盖，其中，所述门盖的一端为转动连接端，所述门盖的转动连接端与安装框相转动连接，安装框与门盖相连的一端设有与门盖的转动连接端相对应的摩擦面，在门盖闭合过程中，门盖的转动连接端的外周和摩擦面相摩擦接触，产生摩擦力以减缓门盖的闭合速度。
本申请提供一种洗衣机，所述洗衣机上安装有如上所述的门体。
附图说明
图1是本申请实施例中洗衣机的结构示意图；
图2是本申请实施例中门盖完全打开时洗衣机的局部放大图；
图3是本申请实施例中门盖闭合过程中洗衣机的局部放大图；
图4是本申请实施例中门盖完全闭合过程中洗衣机的局部放大图；
图5是本申请另一实施例中门盖完全打开时洗衣机的局部放大图；
图6是本申请另一实施例中门盖闭合过程中洗衣机的局部放大图；
图7是本申请另一实施例中门盖完全闭合过程中洗衣机的局部放大图。
图中：10-洗衣机、1-门盖、11-转动连接端、12-摩擦片、2-安装框、21-摩擦面、22-贴合面、23-避让面、24-分离面、3-外壳、4-洗涤桶、5-铰链结构。
具体实施方式
下面结合本申请实施例中的附图，对实施例中的技术方案进行清楚、完整地描述。
在本申请的描述中，需要说明的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”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申请和简化描述，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申请的限制。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
实施例一
如图5至图7所示，本实施例中介绍了一种门体，该门体可用于不同的家用电器，例如波轮洗衣机、滚筒洗衣机、洗碗机等，该门体包括门盖1和安装框2，安装框2上设有投物口，用户可经投物口向家用电器内投放例如待清洗的衣物等物品，门盖1与安装框2相转动连接，门盖1可翻转打开或关闭安装框上的投物口。
本实施例中，门盖1设置在安装框2的上方，门盖1与安装框2的对应一端相转动连接，门盖的该端定义为转动连接端11，安装框2与门盖1相连的一端设有与门盖的转动连接端11相对应的摩擦面21，在门盖1闭合过程中，门盖1的转动连接端11的外周和摩擦面21摩擦接触，产生摩擦力，以减缓门盖闭合速度。通过上述设置，门盖利用转动连接端与安装框产生阻尼摩擦力，减缓闭合速度，避免由于阻尼器失效闭合噪音过大的情况，同时避免闭合速度过快出现夹手的情况，该结构简单，容易维修。
本实施例中，门盖1的转动连接端11的外周可设有花纹，转动连接端11的外周直接与摩擦面21摩擦接触，产生摩擦力，减缓门盖1闭合速度；或者，门盖1的转动连接端11的外周与摩擦面21之间设有摩擦片12，在门盖1闭合的过程中，摩擦片12同时与门盖1的转动连接端11的外周以及摩擦面21摩擦接触，产生摩擦力，以减缓门盖1闭合速度。
本实施例中的可选方案为：安装框2与门盖1相连的一端设有与门盖1的转动连接端11相对应的摩擦面21，门盖1的转动连接端11与摩擦面21之间设有摩擦片12，在门盖开闭过程中，摩擦片12同时与门盖1的转动连接端11以及摩擦面21摩擦接触。
本实施例中，安装框2与门盖1相连的一端向门盖1一侧弯折形成凹槽，门盖1的转动连接端11安装在凹槽内，凹槽朝向转动连接端11的内壁构成摩擦面21，摩擦面21沿着门盖1的转动连接端11的外周向外延伸、并将门盖1的转动连接端11包裹在该摩擦面21内，摩擦面21与门盖1的转动连接端11之间具有间隙，摩擦片12设置在门盖1的转动连接端11与摩擦面21之间的间隙内。
本实施例中，摩擦片12可单独设置在门盖1的转动连接端11与摩擦面21的间隙内，在门盖1开闭的全过程中，摩擦片保持同时与门盖1和摩擦面21摩擦接触；或者摩擦片12可设置在摩擦面21朝向转动连接端11的一侧，在门盖1开闭的全过程中，摩擦面21上的摩擦片12保持与门盖1的转动连接端11摩擦接触，产生阻尼摩擦力。
本实施例中可选的方案为：摩擦片12凸出设置在门盖1的转动连接端11的外周上，并位于门盖1的转动连接端1朝向摩擦面21的一侧，在门盖1开闭 的全过程中，门盖1的转动连接端11上的摩擦片12始终与安装框2上的摩擦面21产生摩擦阻尼力，减缓门盖1闭合速度。
本实施例中，安装框2水平设置，门盖1设置在安装框2的上方，门盖1可向上以打开或下翻以关闭安装框2上的投物口，在门盖1开闭过程中，摩擦片12始终与摩擦面21摩擦接触，产生与门盖1自重相抵的摩擦力，以令门盖1驻停，用户在门盖1上施加一较小的力之后，可克服摩擦片12产生的摩擦力，以继续关闭门盖1或打开门盖1。通过在门盖1的转动连接端11和安装框2之间设置带有摩擦***的摩擦片12，在门盖开闭的过程中，门盖1利用摩擦片12与安装框2产生摩擦力，克服门盖1自重，以实现门盖任意角度的驻停，方便用户的操作，该结构简单，容易维修。
本实施例中，安装框1的顶面包括水平延伸的分离面24，摩擦面21与分离面24靠近门盖1的转动连接端11的一端平滑过渡连接，摩擦面21沿着转动连接端11的外周向上延伸。
本实施例中，门体还包括转轴，转轴穿过门盖1的转动连接端11与安装框2相连接，以实现门盖1与安装框2的转动连接，转轴1与转动连接端1同轴设置，转动连接端11呈沿水平方向延伸的半圆筒状，转动连接端11的外周与门盖1的其余部分平滑过渡连接。
本实施例中，摩擦面22的曲率与半圆筒状的转动连接端11的曲率一致，摩擦面22与分离面24的连接点位于门盖1处于竖直状态时半圆筒状的转动连接端11的与门盖平行的中轴面上。
实施例二
如图5至图7所示，本实施例中，摩擦片12凸出设置在门盖1的转动连接端11上，摩擦片12与门盖1的转动连接端11的固定可采用多种方式，例如可采用螺钉固定、卡接固定、黏合固定等等，任何使得摩擦片12与门盖1的转动连接端11固定连接的方式均可。
本实施例中，摩擦片12设置在门盖1的转动连接端11的外周远离投物口一侧，在门盖1开闭过程中，摩擦片12始终与摩擦面22摩擦接触，产生摩擦阻尼力，减缓门盖1闭合速度，或者，产生与门盖1自重相抵的摩擦力，克服门盖1的自重，实现门盖1任意角度的驻停。摩擦片12也可以设置在所述转动 连接端的靠近洗衣机投物口的一侧，且无论摩擦片设置在转动连接端的任意位置，在门盖1完全闭合时，摩擦片12均不超出摩擦面21的最外端。
本实施例中，摩擦片12位于门盖1的转动连接端11的中轴面上，当门盖1完全打开时，摩擦片12位于摩擦面21和分离面24的连接点的正上方，并与该连接点摩擦接触，在门盖1闭合和打开的过程中，摩擦片12始终与摩擦面22摩擦接触，产生摩擦阻尼力，减缓门盖1闭合速度，或者，产生与门盖1自重相抵的摩擦力，当门盖1完全闭合时，摩擦片12与摩擦面22的最外端相平齐。
本实施例中，门盖1的转动连接端11上设有多个摩擦片12，多个摩擦片12沿着转轴的轴向间隔分布；或，门盖1的转动连接端11上设有一条摩擦片12，摩擦片12沿着转轴的轴向向两端延伸。
本实施例中，摩擦片12的材质为聚合物发泡材料，可选的，摩擦片12的材质为聚氨酯微孔发泡材料。
本实施例中，可以通过调节摩擦片12的尺寸大小、密度、阻尼油脂粘度、摩擦片12与安装框2的摩擦面21挤压过盈量等参数，分别实现减缓门盖1闭合速度和门盖1的任意角度驻停。
实施例三
如图2至图4所示，本实施例与上述实施例一和二的区别在于：摩擦面21包括贴合面22和避让面23，摩擦面21远离投物口的部分表面沿着门盖1转动连接端11的外周延伸，以形成贴合面22，摩擦面21靠近投物口的另一部分表面向内凹陷，以形成避让面23，贴合面22与避让面23平滑过渡连接。
本实施例中，避让面23与门盖1的转动连接端11之间的间隙大于贴合面22与门盖1的转动连接端11之间的间隙，并且在门盖1转动的过程中，摩擦片12始终与避让面23保持互不相接触，随着门盖1继续向投物口侧转动至一定角度，例如如图3所示转动至α角度，摩擦片12随门盖1转动到贴合面22处，摩擦片12与贴合面22开始摩擦接触，产生与门盖1自重相抵的摩擦阻尼力，并且，在用户施加一较小的力，使得门盖1继续关闭时，摩擦片12也随门盖1转动，并且始终与贴合面22摩擦接触，直至门盖1完全闭合投物口。通过设置 贴合面22和避让面23，可以使得在门盖1关闭的初期，门盖1不受到摩擦阻尼力的限制，门盖1可以在自重的作用下自动关闭，在门盖1关闭的后期，门盖1受到摩擦阻尼力的限制，摩擦片12可克服门盖自重，在用户不施加外力的情况下，实现门盖1任意角度的驻停，方便用户向投物口内投放物品，同时避免了关闭速度过快，导致用户手被夹伤；同时，在门体闭合的前期、开启的后期，门盖1不受到阻尼力的限制，用户施加的外力可以减小，省时省力。
实施例四
如图1所示，本实施例中介绍了一种洗衣机10，该洗衣机10包括外壳3，外壳3内设有盛水桶，盛水桶内设置有洗涤装置，洗涤装置包括与盛水桶同轴设置的洗涤桶4和驱动洗涤桶4转动的电机，洗涤桶4内部设有波轮，电机驱动洗涤桶4和波轮转动，洗涤过程中，衣物通过与波轮的摩擦，实现衣物的清洗。
本实施例中，该洗衣机上安装有如上实施例一至三中任一所述的一种门体，门体安装在外壳3的顶端，洗衣机的盘座构成安装框2的一部分，门体的安装框2与外壳3相固定连接，安装框2上的投物口与洗涤桶4的桶口相对应，用户可向上打开门盖1，依次通过安装框2的投物口和洗涤桶4的桶口向洗涤桶4内投放待洗涤的衣物。
本实施例中，门盖1可通过铰链结构5和转轴与安装框2相转动连接，在门盖1开闭的过程中，门盖1的转动连接端11上的摩擦片12与安装框2的摩擦面22摩擦接触，产生摩擦阻尼力，摩擦阻尼力与门盖1自身重力相抵，当用户不施加外力时，门盖1可实现任意角度的驻停。该摩擦片12可替代相关技术的阻尼结构，避免了阻尼结构末端失效情况的发生，并且该摩擦片结构简单，容易维修替换。

Claims (14)

  1. 一种门体，包括安装框和门盖，其中，所述门盖的一端为转动连接端，所述门盖的转动连接端与所述安装框转动连接，所述安装框与所述门盖相连的一端设有与所述门盖的转动连接端相对应的摩擦面，在门盖闭合过程中，所述门盖的转动连接端的外周和所述摩擦面摩擦接触，产生摩擦力以减缓所述门盖的闭合速度。
  2. 根据权利要求1所述的门体，其中，所述安装框与所述门盖相连的一端向所述门盖侧弯折形成凹槽，所述门盖的转动连接端安装在所述凹槽内，所述凹槽朝向所述转动连接端的内壁构成所述摩擦面，所述转动连接端与所述摩擦面之间设有摩擦片，在门盖闭合的过程中，所述摩擦片同时与所述门盖的转动连接端的外周以及所述摩擦面摩擦接触，产生摩擦力。
  3. 根据权利要求2所述的门体，其中，所述摩擦片凸出固定设置在所述门盖的转动连接端的外周上，在所述门盖开闭的过程中，所述摩擦片始终与所述摩擦面摩擦接触，产生摩擦力，以减缓所述门盖的闭合速度。
  4. 根据权利要求3所述的门体，所述安装框水平设置，所述门盖设置在所述安装框的上方，在所述门盖开闭的过程中，所述摩擦片始终与所述摩擦面摩擦接触，产生与所述门盖自重相抵的摩擦力，以使所述门盖驻停。
  5. 根据权利要求1所述的门体，其中，所述安装框的顶面包括水平延伸的分离面，所述摩擦面与所述分离面靠近所述门盖的转动连接端的一端平滑过渡连接，所述摩擦面沿着所述转动连接端的外周向上延伸。
  6. 根据权利要求1所述的门体，其中，所述转动连接端呈沿着水平方向向两侧延伸的半圆筒状，所述摩擦面的曲率与所述半圆筒状的转动连接端的曲率一致。
  7. 根据权利要求2至6任一所述的门体，其中，所述摩擦片设置在所述转动连接端的靠近洗衣机投物口的一侧，所述门盖开闭过程中，所述摩擦片始终与所述摩擦面摩擦接触，在所述门盖完全闭合的情况下，所述摩擦片不超出所述摩擦面的最外端。
  8. 根据权利要求7所述的门体，其中，所述摩擦片设置在所述门盖的转动连接端的与所述门盖平行的中轴面上，在所述门盖完全打开的情况下，所述摩 擦片与所述摩擦面和所述分离面之间的连接点摩擦接触，以产生与所述门盖自重相抵的摩擦力。
  9. 根据权利要求8所述的门体，其中，所述摩擦面包括贴合面和避让面，所述摩擦面远离洗衣机投物口的部分表面沿着所述门盖的转动连接端的外周延伸，以形成所述贴合面，所述摩擦面靠近洗衣机投物口的另一部分表面向内凹陷，以形所述成避让面，所述贴合面与所述避让面平滑过渡连接。
  10. 根据权利要求9所述的门体，其中，所述避让面与所述门盖的转动连接端之间的间隙大于所述贴合面与所述门盖的转动连接端之间的间隙，并且在所述门盖转动的过程中，所述摩擦片始终与所述避让面保持互不相接触。
  11. 根据权利要求2至10任一项所述的门体，其中，所述门盖的转动连接端上设有多个摩擦片，所述多个摩擦片沿着门盖转轴的轴向间隔分布；
    或，所述门盖的转动连接端上设有一条摩擦片，所述一条摩擦片沿着与所述门盖的转动连接端延伸方向相平行的方向向两端延伸。
  12. 根据权利要求2至11任一项所述的门体，其中，所述摩擦片的材质为聚合物发泡材料。
  13. 根据权利要求12所述的门体，其中，所述摩擦片的材质为聚氨酯微孔发泡材料。
  14. 一种洗衣机，其中，所述洗衣机上安装有如权利要求1至13任一所述的门体。
PCT/CN2020/080603 2019-03-22 2020-03-23 门体及装有门体的洗衣机 WO2020192615A1 (zh)

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