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WO2023155235A1 - 一种用于滚桶洗衣机的风道连接管及洗衣机 - Google Patents

一种用于滚桶洗衣机的风道连接管及洗衣机 Download PDF

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Publication number
WO2023155235A1
WO2023155235A1 PCT/CN2022/078078 CN2022078078W WO2023155235A1 WO 2023155235 A1 WO2023155235 A1 WO 2023155235A1 CN 2022078078 W CN2022078078 W CN 2022078078W WO 2023155235 A1 WO2023155235 A1 WO 2023155235A1
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WIPO (PCT)
Prior art keywords
water
washing machine
filter screen
air duct
pipe
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PCT/CN2022/078078
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English (en)
French (fr)
Inventor
李小川
化范猛
吴增元
赵永飞
丁士涛
杜佳彬
Original Assignee
惠而浦（中国）股份有限公司
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Priority to AU2022441670A priority Critical patent/AU2022441670A1/en
Publication of WO2023155235A1 publication Critical patent/WO2023155235A1/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
    • D06F25/00—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 and having further drying means, e.g. using hot air 
    • 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 
    • D06F39/10—Filtering arrangements
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the utility model relates to the technical field of washing machines, in particular to an air duct connection pipe for a drum washing machine and the washing machine.
  • the structure of the drum washing machine includes an outer tub, an inner tub coaxial with the outer tub, a dryer, and a condenser.
  • Mesh is arranged on the wall of the inner tub.
  • the dehydration principle is that when the inner tub rotates, the water in the inner tub or the water on the surface of the inner tub can be removed Throw it radially outward through the mesh.
  • the drying principle of the drum washing machine is to use a fan to arrange a one-way circulating air path in the machine.
  • the air supply end of the fan drives the air at normal temperature to flow.
  • the air at normal temperature first passes through the heating device to absorb a large amount of heat.
  • enter the bucket to heat the wet clothes to generate a large amount of mixed gas of water vapor and air.
  • the mixed gas flows into the condensing device along the direction of air circulation to release heat.
  • the water vapor forms water droplets and is discharged, while the air releases heat and becomes normal temperature air and flows into the fan.
  • the suction end completes the cycle. After a period of time, the water in the clothes is transferred, and the drying is completed.
  • the traditional drum washing machine generally does not have a filter device at the front of the fan.
  • the clothes rub against each other to produce a lot of fine fibers.
  • the fibers circulate along the air in the washing machine and adhere to the surface of the fan impeller.
  • the amount of fiber attached to the fan impeller will also increase, which will eventually lead to a decrease in the fan's suction efficiency, air volume and wind speed. Affect drying efficiency.
  • the washing machine will activate the alarm protection and the drying function cannot be used. The user will experience a long wait and extra costs during the repair process, which will affect normal life.
  • Some washing machines have a filter box that can be taken out separately by the user at the front of the fan, and it must be taken out and cleaned after each drying. This method has a complex structure and increases the volume of the machine; manual cleaning times are many, which affects the user experience.
  • the utility model provides an air duct connecting pipe for a drum washing machine and a washing machine.
  • An air duct connecting pipe for a drum washing machine includes a dryer, an outer tub, and an inner tub arranged in the outer tub and has meshes.
  • the air duct connecting pipe includes a pipe body and a filter net. The two ends of the pipe body are in sealing communication with the shell of the dryer and the cylindrical surface of the outer barrel respectively; the end of the pipe body close to the dryer is divided into at least two nozzles, at least one of which is connected to the The external water source is connected to serve as the outlet of the downspout, and at least one of the outlets is fully covered by the filter as the outlet; when the inner bucket rotates at a dehydration speed, the water in the inner bucket can be dropped into the inner bucket from the mouth of the downspout The water on the surface is thrown to the filter screen; wherein the sealed connection between the pipe body and the outer barrel is located on the cylindrical surface of the outer barrel.
  • the distance between the filter screen and the inner tub is less than or equal to 30 mm, and the dehydration speed of the inner tub is greater than or equal to 500 rpm.
  • the water guiding baffle is arranged in the mouth of the downspout; the water guiding baffle matches the shape of the downspout, and the distance between the water guiding baffle and the pipe wall of the downspout forms an elongated A strip-shaped water outlet, the width of the water outlet is equivalent to the width of the filter net.
  • the shape of the water outlet is not limited, and its fundamental purpose is to allow the water in the downspout to fall onto the surface of the inner barrel in a wide waterfall, so that the water thrown out by the inner barrel can cover the entire filter instead of only a part of the filter;
  • the width of the water outlet is as the criterion that the water thrown out by the inner bucket covers all the filter screens.
  • the edge of the water guide block, the pipe wall of the downspout and the elongated water outlet are all arc-shaped.
  • the length of the arc-shaped water outlet is between 50mm and 200mm, and the width is between 1mm and 5mm. The purpose of fully flushing the filter screen.
  • the pipe body, the filter net and the water guide baffle are of a split structure or an integrated structure.
  • a washing machine is characterized in that it includes the air duct connecting pipe.
  • the utility model arranges a multifunctional air duct connecting pipe inside the drying system of the traditional washing machine, and a filter device (filter screen) that does not need to be disassembled by the user is installed inside, and the filter screen is automatically cleaned by using the centrifugal force of the water droplets when the inner bucket is thrown away; compared with Manual cleaning, the utility model can self-clean the filter screen in each dehydration process, which can effectively prevent the long-term accumulation of clothing fibers on the surface of the fan impeller to form stubborn dirt; When the kinetic energy of throwing water from the inner bucket under the dehydration program is not enough to achieve the cleaning effect, the utility model can pour water into the inner bucket through the mouth of the downspout, and the inner bucket rotates to throw the water falling on the surface of the inner bucket to the filter screen to rinse the filter screen.
  • a filter device filter screen
  • Fig. 1 is the overall structural representation of the utility model
  • Fig. 2 is the exploded diagram of the utility model's water-guiding baffle and the mouth of the downspout;
  • Fig. 3 is the bottom view of the filter screen and the water outlet of the utility model
  • Fig. 4 is a schematic diagram of assembly of the utility model.
  • the drum washing machine includes an outer tub 2, an inner tub 1 coaxially arranged with the outer tub 2, a dryer 6 and a condenser, and a mesh is arranged on the wall of the inner tub 1, and the water in the inner tub can flow out through the mesh.
  • the water in the inner barrel 1 or the water on the surface of the inner barrel 1 can be thrown out radially outward.
  • the air duct connecting pipe of the present invention includes a pipe body 4 , a filter screen 3 , and a water guide baffle 5 .
  • the air duct connecting pipe is arranged between the dryer 6 and the outer tub 2 as a connecting channel between the two.
  • one end of the pipe body 4 can be in sealing communication with the shell of the dryer 6, and the other end is in sealing communication with the outer barrel 2, and the sealing connection method between the pipe body 4 and the outer barrel 2 is as follows: An opening is provided on the cylindrical surface, and the pipe body 4 communicates with the inside of the outer barrel 2 through the opening, and the filter screen 3 is arranged at the junction of the pipe body 4 and the outer barrel 2 .
  • the opening on the outer barrel 2 and the filter screen 3 can only be arranged on the cylindrical surface of the outer barrel 2, but not on the end face of the outer barrel 2; because the utility model can only rely on the centrifugal force of the high-speed rotation of the inner barrel 1 Throw the water droplets onto the filter screen 3 for washing.
  • the outer barrel 2 and the inner barrel 1 are coaxially arranged, and the water droplets can only wash the cylindrical surface of the outer barrel 2, but cannot wash the end surface of the outer barrel 2.
  • the end of the pipe body 4 close to the outer barrel 2 is divided into at least two nozzles.
  • the end of the pipe body 4 close to the outer barrel 2 is divided into two nozzles, which are respectively downspout nozzles. and the air outlet pipe mouth; the air outlet pipe mouth is covered by the filter screen 3, and the downpipe mouth is provided with a water inlet 7 connected with an external water source, and the external water source can enter the downpipe mouth through the water inlet 7.
  • the water guide baffle 5 is installed at the mouth of the downspout, and the edge of the water guide 5 and the mouth of the downspout form a slender water outlet 51.
  • the outlet 51 Flow out to form a water curtain and enter the outer barrel 2, and fall to the surface of the inner barrel 1, and the inner barrel 1 rotates at a high speed to throw out the water to rinse the filter screen 3.
  • the channel of the water outlet 51 is arc-shaped, the length is between 50mm and 200mm, and the width is between 1mm and 5mm; After being released, the entire filter screen 3 can be covered to achieve the purpose of washing the filter screen 3 in an all-round way.
  • the longitudinal direction of the water outlet 51 is the axial direction of the outer tub 2 and the inner tub 1.
  • the water outlet 51 can widen the width of the water falling in the axial direction of the inner bucket 1, improve the coverage area of the water, and ensure that the entire area of the filter screen 3 can be washed.
  • the water outlet 51 of the present utility model can also adopt other shapes: linear, wavy, etc., and there is no limit to its specific shape, as long as the water flow can be widened in the axial direction of the inner bucket 1 to form a continuous or
  • the non-continuous water curtain is convenient; generally speaking, the formation of a continuous water curtain can ensure that the water is thrown to cover all the filter screen 3, but considering that when the water is thrown out, it will diverge in a small angle due to the influence of air resistance.
  • the special design forms a non-continuous water curtain, and it is also possible to achieve the technical effect of throwing water to cover the entire filter screen 3.
  • the water outlet 51 is formed by densely arranged water outlet holes. Because the distance between the falling water flows is small, it is also possible to realize the inner bucket 1. The technical effect that water covers all filtering nets 3.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

一种用于滚桶洗衣机的风道连接管及洗衣机，滚桶洗衣机包括烘干器（6）、外桶（2）、以及设置在外桶（2）内且具有网眼的内桶（1），风道连接管包括两端分别与烘干器（6）的外壳、外桶（2）的圆柱面密封连通的管体，以及过滤网（3）；管体靠近外桶（2）的一端至少分为两个管口，其中一个管口与外部水源连通，其余管口被过滤网（3）覆盖；内桶（1）以脱水转速旋转时能够将内桶（1）内的水或者从管口处落至内桶（1）表面的水甩至过滤网（3）处；利用内桶（1）甩水时水滴的离心力，自动清洗过滤网（3），也可以通过落水管口向内桶（1）落水，内桶（1）旋转将落至内桶（1）表面的水甩至过滤网（3）处，对过滤网（3）进行冲洗。

Description

一种用于滚桶洗衣机的风道连接管及洗衣机 技术领域
本实用新型涉及洗衣机技术领域，具体涉及一种用于滚桶洗衣机的风道连接管及洗衣机。
背景技术
滚桶洗衣机的结构包括外桶、与外桶同轴设置的内桶、烘干器和冷凝器，内桶壁上设置有网眼，其脱水原理是内桶旋转时能够将内桶中的水或者内桶表面的水透过网眼沿径向向外甩出。
滚桶洗衣机的烘干原理是利用风扇在机器内布置一个单向流动的循环风路，当烘干程序启动时，风扇的送风端带动常温空气流动，常温空气先经过加热装置吸收大量热量，再进入桶内加热湿衣物从而产生大量水蒸气和空气的混合气体，该混合气体顺从空气循环方向流入冷凝装置释放热量，水蒸气形成水滴被排走，而空气释放了热量变成常温空气流入风扇的吸风端完成循环。持续一段时间后，衣物里的水就被转移了，即完成了烘干。
传统的滚桶洗衣机一般没有在风扇前端设置过滤装置，烘干时衣物相互摩擦会产生很多细小的纤维，纤维顺着洗衣机内的气体循环，附着在风扇的叶轮表面，随着使用时间的增加，风扇叶轮上的纤维附着量也会递增，最终导致风扇的吸风效率降低，出风量和风速减小，此时加热装置得不到足够的风量散热，导致温升过快而频繁起停，严重影响烘干效率。情况严重时洗衣机会启动报警保护导致烘干功能不能使用，用户会经历报修过程中的长时间等待及额外花费，影响正常生活。
有些洗衣机会在风扇前端设置可供用户单独取出的过滤盒，并且每次烘干结束后都要取出清理。此方法结构复杂，且增加机器体积；手动清理次数多，影响用户体验。
实用新型内容
为解决上述技术问题，本实用新型提供一种用于滚桶洗衣机的风道连接管及洗衣机。
为解决上述技术问题，本实用新型采用如下技术方案：
一种用于滚桶洗衣机的风道连接管，滚桶洗衣机包括烘干器、外桶以及设置在外桶内且具有网眼的内桶，所述风道连接管包括管体及过滤网，所述管体的两端分 别与所述烘干器的外壳、所述外桶的圆柱面密封连通；所述管体靠近所述烘干器的一端分为至少两个管口，其中至少一个管口与外部水源连通，作为落水管口，至少一个管口被所述过滤网全覆盖，作为出风管口；所述内桶以脱水转速旋转时能够将内桶中的水或者从所述落水管口处落至内桶表面的水甩至所述过滤网处；其中管体与外桶的密封连通处位于外桶的圆柱面上。
进一步地，所述过滤网与所述内桶的间距小于或者等于30mm，所述内桶的脱水转速大于或者等于500转/分钟。
进一步地，包括导水挡片，所述导水挡片设置在落水管口中；导水挡片与落水管口的形状匹配，且所述导水挡片与所述落水管口的管壁间隔形成细长条状的出水口，所述出水口的宽度与所述过滤网的宽度相当。出水口的形状不限，其根本目的在于将落水管口内的水能够以较宽的瀑布落水面落至内桶表面，被内桶甩出后的水能够覆盖整个过滤网而非仅覆盖过滤网的一部分；出水口的宽度以内桶甩出的水覆盖所有过滤网为准。
作为本实用新型得进一步方案，所述导水挡片的边缘、所述落水管口的管壁以及细长条状的出水口均呈弧形。弧形出水口的长度在50mm至200mm之间、宽度在1mm至5mm之间；水流从弧形出水口通路中流出，接触高速旋转的内桶，被离心甩出后，可以覆盖整个过滤网，达到全面冲刷过滤网的目的。
进一步地，所述管体、所述过滤网及所述导水挡片为分体式结构或一体式结构。
一种洗衣机，其特征在于：包括所述的风道连接管。
与现有技术相比，本实用新型的有益技术效果是：
本实用新型在传统洗衣机烘干系统内部布置多功能的风道连接管，内设无需用户拆卸的过滤装置(过滤网)，并利用内桶甩水时水滴的离心力，自动清洗过滤网；相较于手动清理，本实用新型可以在每一次脱水过程中都能对过滤网进行自清洁，能够有效避免衣物纤维长期累积在风扇叶轮表面形成顽固污垢；在遇到用户衣物掉纤维过快过多，而依靠脱水程序下内桶甩水的动能不足以达到清理效果时，本实用新型可以通过落水管口向内桶落水，内桶旋转将落至内桶表面的水甩至过滤网处，对过滤网进行冲洗。
附图说明
图1为本实用新型整体的结构示意图；
图2为本实用新型导水挡片、落水管口的爆炸图；
图3为本实用新型过滤网、出水口的仰视图；
图4为本实用新型的装配示意图。
具体实施方式
下面结合附图对本实用新型的一种优选实施方式作详细的说明。
如图1所示，滚桶洗衣机的包括外桶2、与外桶2同轴设置的内桶1、烘干器6和冷凝器，内桶1壁上设置有网眼，内桶中的水可以通过网眼流出至内桶表面，内桶1旋转时能够将内桶1中的水或者内桶1表面的水沿径向向外甩出。
本实用新型中靠近内桶1的方向为“内”，远离外桶2的方向为“外”。
如图1所示，本实用新型中的风道连接管包括管体4、过滤网3、导水挡片5。风道连接管设置在烘干器6与外桶2之间，作为两者的连接通道。
如图1和图2所示，管体4一端能与烘干器6的外壳密封连通，另一端与外桶2密封连通，管体4与外桶2的密封连接方式如下：外桶2的圆柱面上设置有开口，管体4通过开口与外桶2内部连通，过滤网3设置在管体4与外桶2的交接处。
如图1所示，外桶2上的开口以及过滤网3仅能设置在外桶2的圆柱面上，而不能设置在外桶2的端面上；因为本实用新型只能够依靠内桶1高速旋转的离心力将水滴甩至过滤网3上冲洗，一般外桶2与内桶1为同轴设置，水滴仅能冲洗外桶2的圆柱面，而无法冲洗外桶2的端面。
如图4所示，管体4靠近外桶2的一端至少被分为两个管口，本实施例中，管体4靠近外桶2的一端被分为两个管口，分别为落水管口和出风管口；出风管口被过滤网3覆盖，落水管口设置有与外部水源连通的进水口7，外部水源能够通过进水口7进入落水管口。
如图2和3所示，导水挡片5安装在落水管口处，导水挡片5的边缘与落水管口形成细长条状的出水口51，外部水源进入落水管口后，由出水口51流出，形成水幕进入外桶2内，并落至内桶1表面，内桶1高速旋转将水甩出，对过滤网3进行冲洗。
作为优选的，该种出水口51通路呈弧形，长度在50mm至200mm之间、宽度在1mm至5mm之间；水流从细长条出口通路中流出，接触高速旋转的内桶1，被离心甩出后，可以覆盖整个过滤网3，达到全面冲刷过滤网3的目的。出水口51的长度方 向即外桶2、内桶1的轴向。
如果通过水管将水流直接喷入外桶2内，内桶1表面只有很小一部分存在落水，内桶1旋转时，无法保证甩出的水滴能够冲洗过滤网3的全部区域，而本实用新型中的出水口51能够在内桶1轴向上拓宽落水宽度，提高甩水的覆盖面积，保证过滤网3全部区域能够被冲洗。
如图3所示，本实用新型出水口51也可以采用其他形状：直线型、波浪形等等，对其具体形状不做限制，只要能够在内桶1轴向方向上将水流拓宽，形成连续或者非连续水幕，便于；一般来说，形成连续的水幕才能够保证甩水覆盖全部过滤网3，但考虑到水被甩出时，受空气阻力影响，会呈小角度发散出去，如果采用特殊设计形成非连续水幕，也有可能实现甩水覆盖全部过滤网3的技术效果，例如出水口51由密集排布的出水孔形成，由于落水水流间的间距较小，也有可能实现内桶1甩水覆盖全部过滤网3的技术效果。
对于本领域技术人员而言，显然本实用新型不限于上述示范性实施例的细节，而且在不背离本实用新型的精神或基本特征的情况下，能够以其他的具体形式实现本实用新型。因此无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本实用新型的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内，不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立技术方案，说明书的这种叙述方式仅仅是为了清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (6)

  1. 一种用于滚桶洗衣机的风道连接管，滚桶洗衣机包括烘干器(6)、外桶(2)以及设置在外桶(2)内且具有网眼的内桶(1)，其特征在于：所述风道连接管包括管体(4)及过滤网(3)，所述管体(4)的两端分别与所述烘干器(6)的外壳、所述外桶(2)的圆柱面密封连通；所述管体(4)靠近烘干器(6)的一端分为至少两个管口，其中至少一个管口与外部水源连通，作为落水管口，至少一个管口被所述过滤网(3)全覆盖，作为出风管口；所述内桶(1)以脱水转速旋转时能够将内桶(1)中的水或者从所述落水管口处落至内桶(1)表面的水甩至所述过滤网(3)处。
  2. 根据权利要求1所述用于滚桶洗衣机的风道连接管，其特征在于：所述过滤网(3)与所述内桶(1)的间距小于或者等于30mm，所述内桶(1)的脱水转速大于或者等于500转/分钟。
  3. 根据权利要求1所述用于滚桶洗衣机的风道连接管，其特征在于：包括导水挡片(5)，所述导水挡片(5)设置在所述落水管口中；所述导水挡片(5)与所述落水管口的形状匹配，且所述导水挡片(5)与所述落水管口的管壁间隔形成细长条状的出水口(51)，所述出水口(51)的宽度与所述过滤网(3)的宽度相当。
  4. 根据权利要求3所述用于滚桶洗衣机的风道连接管，其特征在于：所述导水挡片(5)的边缘、所述落水管口的管壁以及细长条状的出水口(51)均呈弧形。
  5. 根据权利要求3所述用于滚桶洗衣机的风道连接管，其特征在于：所述管体(4)、所述过滤网(3)及所述导水挡片(5)为分体式结构或一体式结构。
  6. 一种洗衣机，其特征在于：包括权利要求1-5中任一项所述的风道连接管。
PCT/CN2022/078078 2022-02-17 2022-02-25 一种用于滚桶洗衣机的风道连接管及洗衣机 WO2023155235A1 (zh)

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EP0648885A1 (fr) * 1993-10-15 1995-04-19 Esswein S.A. Dispositif de nettoyage pour filtre du circuit séchage d'une machine
CN102428226A (zh) * 2009-05-28 2012-04-25 Lg电子株式会社 具有干燥功能的洗衣机
CN103046298A (zh) * 2011-10-13 2013-04-17 Lg电子株式会社 衣物处理装置及其控制方法
CN108729105A (zh) * 2017-04-25 2018-11-02 青岛海尔洗衣机有限公司 洗衣机的烘干系统以及洗衣机
CN209989600U (zh) * 2019-02-13 2020-01-24 宁波吉德电器有限公司 一种自冲洗的过滤结构及洗干一体机
CN112111914A (zh) * 2019-06-19 2020-12-22 苏州三星电子有限公司 一种双层烘干滤网结构及滚筒洗衣机
CN113493981A (zh) * 2020-04-01 2021-10-12 博西华电器（江苏）有限公司 包含烘干程序的衣物处理装置及其控制方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0648885A1 (fr) * 1993-10-15 1995-04-19 Esswein S.A. Dispositif de nettoyage pour filtre du circuit séchage d'une machine
CN102428226A (zh) * 2009-05-28 2012-04-25 Lg电子株式会社 具有干燥功能的洗衣机
CN103046298A (zh) * 2011-10-13 2013-04-17 Lg电子株式会社 衣物处理装置及其控制方法
CN108729105A (zh) * 2017-04-25 2018-11-02 青岛海尔洗衣机有限公司 洗衣机的烘干系统以及洗衣机
CN209989600U (zh) * 2019-02-13 2020-01-24 宁波吉德电器有限公司 一种自冲洗的过滤结构及洗干一体机
CN112111914A (zh) * 2019-06-19 2020-12-22 苏州三星电子有限公司 一种双层烘干滤网结构及滚筒洗衣机
CN113493981A (zh) * 2020-04-01 2021-10-12 博西华电器（江苏）有限公司 包含烘干程序的衣物处理装置及其控制方法

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