WO2021174825A1 - 一种无外筒式洗衣机 - Google Patents

一种无外筒式洗衣机 Download PDF

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Publication number
WO2021174825A1
WO2021174825A1 PCT/CN2020/118345 CN2020118345W WO2021174825A1 WO 2021174825 A1 WO2021174825 A1 WO 2021174825A1 CN 2020118345 W CN2020118345 W CN 2020118345W WO 2021174825 A1 WO2021174825 A1 WO 2021174825A1
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washing machine
tub
inner tub
pulsator
porous
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PCT/CN2020/118345
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English (en)
French (fr)
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盖永杰
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盖永杰
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Publication of WO2021174825A1 publication Critical patent/WO2021174825A1/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
    • D06F21/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement 
    • D06F21/06—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement  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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements

Definitions

  • the utility model relates to the technical field of washing machines, and more specifically, to a washing machine without an outer drum.
  • washing machines With the improvement of people's living standards, washing machines have gradually become one of the necessary household appliances in people's homes. Most people use washing machines as their main tool for washing clothes.
  • domestic fully automatic washing machines adopt the structure of inner and outer tubs, and there is a gap between the inner tub and the outer tub. Those with the inner tub are washed and dehydrated, and those with the outer tub contain water. During washing and dehydration, a large amount of dirt is dissolved in the washing liquid, and enters the gap space between the inner tub and the outer tub through the dehydration hole of the inner tub.
  • the dirt drains the water out of the washing machine through the drainage structure of the outer tub of the washing machine, and some dirt
  • the deposits are attached to the outer wall of the inner cylinder and the inner wall of the outer cylinder, accumulating and accumulating more and more dirt.
  • the dirt is mainly composed of scale, detergent free matter, fiber, organic matter, dust and bacteria.
  • the precipitated dirt is dissolved in the washing water in large quantities, causing secondary pollution to the laundry in the tub. Since the outer wall of the inner tube and the inner wall of the outer tube are invisible surfaces, when it is necessary to thoroughly clean the inner tube and the outer tube, the inner tube and the outer tube need to be removed from the washing machine, which is extremely troublesome. At the same time, the existence of dehydration holes can easily cause frictional damage to delicate clothes.
  • the technical problem to be solved by the utility model is to provide a washing machine that does not need to be provided with an outer tube and avoids complicated cleaning operations on the outer wall of the inner tube and the inner wall of the outer tube.
  • a tubless washing machine including a washing machine housing, and a valve core opening mechanism, a positioning and locking mechanism, and a rotating mechanism are arranged in the washing machine housing.
  • An inner tub is installed in the casing of the washing machine, the bottom of the inner tub is provided with a drain, and the inner wall of the inner tub is provided with a number of grooves at equal intervals, and the grooves extend from top to bottom to the bottom of the inner tub.
  • valve core opening mechanism is used to control the opening/closing of the water outlet
  • rotating mechanism is used to drive the inner cylinder to rotate
  • positioning and locking mechanism is used to fix the inner cylinder.
  • the notch of the groove shrinks, and the notch is smaller than the bottom of the groove.
  • the groove extends vertically or obliquely to the bottom of the inner cylinder on the inner wall of the inner cylinder.
  • the bottom of the inner cylinder is recessed in a circular shape.
  • the drainage port is arranged at the center of the bottom of the inner cylinder.
  • it further includes a porous pulsator, and the porous pulsator is provided with a number of small holes.
  • the porous pulsator is fixedly connected to the inner wall of the inner cylinder, and the porous pulsator can be linked with the main body of the inner cylinder.
  • the outer edge of the porous pulsator is provided with a plurality of protrusions, the positions of the protrusions correspond to the positions of the grooves, and the width of the protrusions is smaller than the width of the notch.
  • the utility model provides a washing machine without an outer drum.
  • a valve core opening mechanism controls the drain opening to close, and the inner tube stores water to wash the clothes.
  • the valve core opening mechanism controls the drain opening to open, and a rotating mechanism drives the inner tube With rapid rotation, the moisture in the clothes enters the groove under the action of centrifugal force. Due to the small opening of the groove, the clothes do not contact the water in the groove. The water entering the groove flows into the inner cylinder under the action of gravity and the guidance of the groove. The bottom surface, and discharge the inner cylinder through the drain port at the bottom of the inner cylinder.
  • This design eliminates the design of the outer cylinder and the dehydration hole. During the entire washing process, it avoids the situation that the washing water adheres to the outer wall of the inner cylinder and the inner wall of the outer cylinder through the dehydration hole and is difficult to clean, causing secondary pollution to the clothes.
  • the barrel design further optimizes the volume of the washing machine, reduces the space occupied by the washing machine, and eliminates the dehydration hole design, which can further avoid friction damage to fine clothes.
  • Figure 1 is a top view of the inner cylinder structure of the first embodiment of the present invention.
  • Figure 2 is a cross-sectional view of the inner cylinder of Embodiment 1 of the present invention along the A-A position;
  • Figure 3 is a top view of the inner cylinder structure of the second embodiment of the utility model
  • Figure 4 is a cross-sectional view of the inner cylinder of the second embodiment of the utility model along B-B;
  • a washing machine without an outer tub includes a washing machine housing.
  • a valve core opening mechanism, a positioning and locking mechanism, and a rotating mechanism are arranged in the washing machine housing.
  • An inner tub 1 is installed in the washing machine housing.
  • the bottom of the inner cylinder 1 is provided with a drain 7, and the inner wall of the inner cylinder 1 is provided with a number of grooves 2 at equal intervals, and the grooves 2 extend from top to bottom to the bottom of the inner cylinder 1.
  • the valve core opening mechanism controls the drain port 7 to close, and the inner tub 1 stores water to wash the clothes.
  • the valve core opening mechanism controls the drain port 7 to open, and the rotating mechanism drives the inner tub 1 to rotate quickly.
  • the moisture in the groove 2 enters the groove 2 under the action of centrifugal force. Because the opening of the groove 2 is small, the clothes do not contact the water in the groove 2, and the water entering the groove 2 is affected by gravity and the groove 2 Under the guiding action, it merges into the bottom surface of the inner cylinder 1 and is discharged out of the inner cylinder 1 through the drainage port 7.
  • the washing water comes into contact with the outer wall of the inner tub and the inner wall of the outer tub and adheres to precipitated dirt, which makes it difficult to clean and causes secondary pollution to the clothes.
  • valve core opening mechanism is used to control the opening/closing of the drain port 7
  • rotating mechanism is used to drive the inner cylinder 1 to rotate
  • positioning and locking mechanism is used to fix the inner cylinder 1 , To ensure the washing and dehydration functions of the washing machine.
  • valve core opening mechanism is all common mechanisms and components of existing washing machines, and those skilled in the art can use the mechanisms and components in the prior art to achieve corresponding functions. This embodiment will not be described in detail here.
  • the notch 3 of the groove 2 is contracted, and the notch 3 is smaller than the bottom 4 of the groove.
  • the contracted notch 3 can effectively prevent the laundry from contacting the washing water in the groove 2, thereby affecting the dehydration effect.
  • the groove bottom 4 is wider than the groove 3, which can effectively increase the capacity of the groove 2 for washing water, speed up the discharge of washing water, and accelerate the dehydration process;
  • the groove 2 extends vertically or diagonally on the inner wall of the inner tub 1 to the bottom of the inner tub 1, and the extending direction of the groove 2 plays a guiding role for the washing water.
  • the washing water flows into the bottom of the inner tube 1 along the groove 2 under the action of gravity, and is discharged from the inner tube 1 through the drain 7.
  • the groove 2 extends in the vertical direction on the inner wall of the inner cylinder 1 to the bottom of the inner cylinder.
  • the bottom of the inner tub 1 is recessed in a round shape, so that the washing water can be better collected at the bottom of the inner tub 1 and discharged through the drain 7.
  • the drainage port 7 is provided at the center of the bottom of the inner cylinder 1.
  • the center position is the lowest point at the bottom of the inner tub 1 to ensure that all the washing water is collected at the drain 7 and discharged, so as to avoid residual washing water at the bottom of the inner tub 1 and accumulating secondary pollution over time.
  • the washing machine further includes a porous pulsator 5 with a number of small holes 6 on the porous pulsator 5.
  • the washing water can flow into the bottom of the inner tub 1 through the small holes 6 under the action of gravity.
  • the porous pulsator 5 is at a certain distance from the bottom of the inner tub 1 to isolate the laundry from the washing water collected at the bottom of the tub, so as to prevent the laundry from contacting the washing water and thus affect the dehydration effect.
  • the porous pulsator 5 is fixedly connected to the inner wall of the inner cylinder 1, and the porous pulsator 5 can be linked with the main body of the inner cylinder 1 to strengthen the friction on clothes during the washing process and enhance the washing effect.
  • the working principle is: during washing, the valve core opening mechanism controls the drain port 7 to close, and the inner cylinder 1 stores water to wash the clothes; during dehydration, the valve core opening mechanism controls the drain port 7 to open. On the one hand, it rotates. The mechanism drives the inner cylinder 1 to rotate rapidly, and the moisture in the clothes enters the groove 2 under the action of centrifugal force. Because the groove 2 has a small opening, the clothes do not contact the water in the groove 2, and at the same time, the groove bottom 4 is wider than the notch. 3. It can effectively increase the capacity of the groove 2 for washing water and speed up the discharge of the washing water.
  • the water entering the groove 2 flows into the bottom of the inner tub 1 under the action of gravity and the guidance of the groove 2; on the other hand, washing Water also flows into the bottom of the inner cylinder through the small holes 6 on the porous pulsator 5 under the action of gravity. On the basis of the drainage of the groove 2, the drainage of the washing water in the inner cylinder 1 is further accelerated. Finally, the inner cylinder 1 is discharged through the drain 7.
  • This design eliminates the design of the outer cylinder and the dehydration hole. During the entire washing process, it prevents the washing water from passing through the dehydration hole to the outer wall of the inner cylinder and the inner wall of the outer cylinder.
  • the barrel design further optimizes the volume of the washing machine, reduces the space occupied by the washing machine, and eliminates the dehydration hole design, which can further avoid friction damage to fine clothes.
  • the difference between this embodiment 2 and embodiment 1 is that the porous pulsator 5 is detachable and can be taken out of the inner cylinder 1.
  • the outer edge of the porous pulsator 5 is provided with a plurality of protrusions 8, the positions of the protrusions 8 correspond to the positions of the grooves 2, and the width of the protrusions 8 is smaller than that of the notches 3. The width.

Abstract

本实用新型公开了一种无外筒式洗衣机，包括洗衣机壳体，所述洗衣机壳体内设有阀芯开启机构、定位锁止机构、旋转机构，所述洗衣机壳体内安装有内筒，所述内筒底部设有排水口，所述内筒内壁上等间距设有若干凹槽，所述凹槽从上至下延伸至内筒底部。内筒旋转时，衣物中的水分在离心力作用下进入凹槽，并在重力作用和凹槽的导向作用下汇入内筒底面，并通过排水口排出内筒。本实用新型结构简单，取消了外筒和脱水孔设计，有效避免了洗涤水通过脱水孔在内筒外壁和外筒内壁附着沉淀污垢难以清洁，进而对衣物造成二次污染的情况。

Description

一种无外筒式洗衣机 技术领域
本实用新型涉及一种洗衣机技术领域，更具体地，涉及一种无外筒式洗衣机。
背景技术
随着人们生活水平的提高，洗衣机已逐渐成为人们家中必备的家电之一，大多数人都将洗衣机作为洗涤衣物的主要工具。目前，家用全自动洗衣机都是采用内外筒结构，内筒和外筒之间存在一定缝隙，内桶负者洗涤及脱水，外桶负者容水。在洗涤和脱水时，大量的污垢溶于洗涤液中，并通过内筒的脱水孔进入内筒与外筒之间的缝隙空间，部分污垢通过洗衣机外桶的排水结构将水排出洗衣机，部分污垢则附着沉淀内筒外壁和外筒内壁上，日积月累，沉淀的污垢越来越多，该污垢主要是由水垢、洗涤剂游离物、纤维、有机物质、灰尘和细菌等组成，当再次清洗衣物时，沉淀的污垢大量溶解于洗涤水中，对筒内洗涤的衣物造成二次污染。由于内筒外壁和外筒内壁为不可视面，当需要对其进行彻底清洁时，需要将内筒和外筒从洗衣机上拆卸下来，操作极其麻烦。同时，脱水孔的存在，容易对精细的衣物造成摩擦损伤。
实用新型内容
本实用新型要解决的技术问题是提供一种无需设置外筒，免于对内筒外壁和外筒内壁进行复杂清洁操作的洗衣机。
为解决上述技术问题，本实用新型采用的技术方案是：一种无外筒式洗衣机，包括洗衣机壳体，所述洗衣机壳体内设有阀芯开启机构、定位锁止机构、旋转机构，所述洗衣机壳体内安装有内筒，所述内筒底部设有排水口，所述内筒内壁上等间距设有若干凹槽，所述凹槽从上至下延伸至内筒底部。
优选的，所述阀芯开启机构用于控制所述排水口启/闭，所述旋转机构用于带动所述内筒进行转动，所述定位锁止机构用于固定所述内筒。
优选的，所述凹槽的槽口收缩，所述槽口小于槽底。
优选的，所述凹槽在内筒内壁上沿竖直方向或斜向延伸至内筒底部。
优选的，所述内筒底部凹设呈圆形。
优选的，所述排水口设于所述内筒底部中心。
优选的，还包括多孔波轮，所述多孔波轮上设有若干小孔。
优选的，所述多孔波轮与所述内筒内壁固定连接，所述多孔波轮可以和内筒主体联动。
优选的，所述多孔波轮的外边沿设有若干凸起，所述凸起的位置与所述凹槽的位置相对应，所述凸起的宽度小于所述槽口的宽度。
与现有技术相比，本实用新型达到的有益效果是：
本实用新型提供一种无外筒式洗衣机，洗涤时，阀芯开启机构控制排水口关闭，内筒储水对衣物进行洗涤，脱水时，阀芯开启机构控制排水口打开，旋转机构带动内筒快速旋转，衣物中的水分在离心力作用下进入凹槽，由于凹槽开口小，衣服不与凹槽内的水接触，进入凹槽的水在重力作用和凹槽的导向作用下汇入内筒底面，并通过内筒底部的排水口排出内筒。
本设计取消了外筒和脱水孔设计，在整个洗涤过程中，避免了洗涤水通过脱水孔在内筒外壁和外筒内壁附着沉淀污垢难以清洁，对衣物造成二次污染的情况，同时取消外筒设计进一步优化洗衣机体积，减少洗衣机所占用的空间，取消脱水孔设计，可进一步避免对精细衣物造成的摩擦损伤。
附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的优选实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是本实用新型实施例1的内筒结构俯视图；
图2是本实用新型实施例1的内筒沿A-A处剖视图；
图3是本实用新型实施例2的内筒结构俯视图；
图4是本实用新型实施例2的内筒沿B-B处剖视图；
附图中，1-内筒、2-凹槽、3-槽口、4-槽底，5-多孔波轮、6-小孔、7-排水口、8-凸起。
具体实施方式
为了更好理解本实用新型技术内容，下面提供具体实施例，并结合附图对本实用新型做进一步的说明:
实施例1
参见图1、图2，一种无外筒式洗衣机，包括洗衣机壳体，所述洗衣机壳体内设有阀芯开启机构、定位锁止机构、旋转机构，所述洗衣机壳体内安装有内筒1，所述内筒1底部设有排水口7，所述内筒1内壁上等间距设有若干凹槽2，所述凹槽2从上至下延伸至内筒1底部。
洗涤时，所述阀芯开启机构控制排水口7关闭，内筒1储水对衣物进行洗涤，脱水时，所述阀芯开启机构控制排水口7打开，旋转机构带动内筒1快速旋转，衣物中的水分在离心力作用下进入所述凹槽2，由于所述凹槽2开口小，衣服不与凹槽2内的水接触，进入所述凹槽2的水在重力作用和凹槽2的导向作用下汇入内筒1底面，并通过所述排水口7排出内筒1。在整个洗涤过程中，避免了洗涤水与内筒外壁和外筒内壁接触并附着沉淀污垢从而造成难以清洁，对衣物形成二次污染的情况。
具体的，所述阀芯开启机构用于控制所述排水口7启/闭，所述旋转机构用于带动所述内筒1进行转动，所述定位锁止机构用于固定所述内筒1，确保洗衣机能够进行的洗涤和脱水功能。
需要说明的是，所述阀芯开启机构、旋转机构、定位锁止机构均为现有洗衣机的常用机构以及部件，本领域技术人员可采用现有技术中的机构以及部件来实现相应的功能，本实施例在此不做具体阐述。
具体的，所述凹槽2的槽口3收缩，所述槽口3小于槽底4，收缩的槽口3可以有效的避免衣物与凹槽2内的洗涤水相接触，进而影响脱水效果。槽底4宽于槽口3，可有效增大凹槽2对洗涤水的容量，加快洗涤水的排放，进而加速脱水过程；
具体的，所述凹槽2在内筒1的内壁上沿竖直方向或斜向延伸至内筒1底部，所述凹槽2的延伸方向对洗涤水起到一个导向作用，凹槽2中的洗涤水在重力作用下沿凹槽2汇入内筒1底部，并通过排水口7排出内筒1。
具体的，在本实施例中，所述凹槽2在内筒1的内壁上沿竖直方向延伸至内筒底部。
具体的，所述内筒1底部凹设呈圆形，可使洗涤水更好汇聚于内筒1底部，并通过排水口7排出。
具体的，所述排水口7设于所述内筒1底部中心。所述中心位置为内筒1底部最低点，确保全部洗涤水汇聚于排水口7处并排出，避免洗涤水在内筒1底部有残余，日积月累形成二次污染。
具体的，所述洗衣机还包括一个多孔波轮5，所述多孔波轮5上设有若干小孔6，排水时，洗涤水在重力作用下可通过所述小孔6汇入内筒1底部，在凹槽2排水的基础上，进一步加快内筒1中洗涤水的排出，加快脱水进程。所述多孔波轮5与内筒1底部相距一定的距离，将衣物与筒底汇聚的洗涤水隔离，避免衣物与洗涤水接触进而影响脱水效果。
具体的，所述多孔波轮5与所述内筒1内壁固定连接，所述多孔波轮5可以和内筒1主体联动，在洗涤过程中加强对衣服的摩擦，增强洗涤效果。
工作原理为：洗涤时，所述阀芯开启机构控制排水口7关闭，所述内筒1储水对衣物进行洗涤；脱水时，所述阀芯开启机构控制排水口7打开，一方面，旋转机构带动内筒1快速旋转，衣物中的水分在离心力作用下进入所述凹槽2，由于凹槽2开口小，衣服不与凹槽2内的水接触，同时，槽底4宽于槽口3，可有效增大凹槽2对洗涤水的容量，加快洗涤水的排放，进入凹槽2的水在重力作用和凹槽2的导向作用下汇入内筒1底部；另一方面，洗涤水也在重力作用下通过所述多孔波轮5上的小孔6汇入内筒底部，在凹槽2排水的基础上，进一步加快内筒1中洗涤水的排出，内筒底部的洗涤水最后通过所述排水口7排出内筒1。
本设计取消了外筒和脱水孔设计，在整个洗涤过程中，避免了洗涤水通过脱水孔在内筒外壁和外筒内壁附着沉淀污垢难以清洁，对衣物造成二次污染的情况，同时取消外筒设计进一步优化洗衣机体积，减少洗衣机所占用的空间，取消脱水孔设计，可进一步避免对精细衣物造成的摩擦损伤。
实施例2
参见图3、图4，本实施例2与实施例1的区别在于，所述多孔波轮5为可拆卸式，可从所述内筒1中取出。具体的，所述多孔波轮5的外边沿设有若干 凸起8，所述凸起8的位置与所述凹槽2的位置相对应，所述凸起8的宽度小于所述槽口3的宽度。
将所述多孔波轮5的凸起8与所述槽口3一一校对后，向下按压将多孔波轮5，进而将凸起8卡入所述凹槽2，即可完成所述多孔波轮5的安装，向上提起多孔波轮5即可完成多孔波轮5的拆卸。在对内筒1进行清洁时，所述可拆卸式多孔波轮5便于对内筒1底部进行彻底的清洁，避免二次污染的发生。同时，整个安装和拆卸过程及其简单，增强了操作的便携性。
显然，本实用新型的上述实施例仅仅是为清楚地说明本实用新型所作的举例，而并非是对本实用新型的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型权利要求的保护范围之内。

Claims (9)

  1. 一种无外筒式洗衣机，包括洗衣机壳体，所述洗衣机壳体内设有阀芯开启机构、定位锁止机构、旋转机构，其特征在于，所述洗衣机壳体内安装有内筒，所述内筒底部设有排水口，所述内筒内壁上等间距设有若干凹槽，所述凹槽从上至下延伸至内筒底部。
  2. 根据权利要求1所述的一种无外筒式洗衣机，其特征在于，所述阀芯开启机构用于控制所述排水口启/闭，所述旋转机构用于带动所述内筒进行转动，所述定位锁止机构用于固定所述内筒。
  3. 根据权利要求1所述的一种无外筒式洗衣机，其特征在于，所述凹槽的槽口收缩，所述槽口小于槽底。
  4. 根据权利要求3所述的一种无外筒式洗衣机，其特征在于，所述凹槽在内筒内壁上沿竖直方向或斜向延伸至内筒底部。
  5. 根据权利要求1所述的一种无外筒式洗衣机，其特征在于，所述内筒底部凹设呈圆形。
  6. 根据权利要求1所述的一种无外筒式洗衣机，其特征在于，所述排水口设于所述内筒底部中心。
  7. 根据权利要求3所述的一种无外筒式洗衣机，其特征在于，还包括多孔波轮，所述多孔波轮上设有若干小孔。
  8. 根据权利要求7所述的一种无外筒式洗衣机，其特征在于，所述多孔波轮与所述内筒内壁固定连接，所述多孔波轮可以和内筒主体联动。
  9. 根据权利要求7所述的一种无外筒式洗衣机，其特征在于，所述多孔波轮的外边沿设有若干凸起，所述凸起的位置与所述凹槽的位置相对应，所述凸起的宽度小于所述槽口的宽度。
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CN2059439U (zh) * 1989-07-03 1990-07-18 韩伟宁 转桶式全自动洗衣机
CN1087692A (zh) * 1992-08-03 1994-06-08 夏普公司 单缸洗衣机
JPH0956977A (ja) * 1995-08-30 1997-03-04 Sharp Corp 電気洗濯機
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