WO2018054207A1 - Washing machine anti-foam backflow structure and washing machine - Google Patents

Washing machine anti-foam backflow structure and washing machine Download PDF

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Publication number
WO2018054207A1
WO2018054207A1 PCT/CN2017/100116 CN2017100116W WO2018054207A1 WO 2018054207 A1 WO2018054207 A1 WO 2018054207A1 CN 2017100116 W CN2017100116 W CN 2017100116W WO 2018054207 A1 WO2018054207 A1 WO 2018054207A1
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WO
WIPO (PCT)
Prior art keywords
way valve
foam
connecting pipe
structure according
washing machine
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Application number
PCT/CN2017/100116
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French (fr)
Chinese (zh)
Inventor
刘晓春
卢金波
Original Assignee
青岛海尔滚筒洗衣机有限公司
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Publication of WO2018054207A1 publication Critical patent/WO2018054207A1/en

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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
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements

Definitions

  • the utility model belongs to the technical field of washing machines, and particularly relates to an anti-foam backflow structure of a washing machine and a washing machine having the anti-foam backflow structure.
  • a drum washing machine is a device that cleans pollutants contained in laundry contained in a drum by using detergent and mechanical rotation.
  • a drum washing machine box, an outer cylinder and a drum of the set, a dispenser box, a connecting pipe is arranged between the distributor box and the outer cylinder, and a water supply device of the washing machine sprays tap water into the dispenser box, and then flows into the outer cylinder through the connecting tube.
  • the connecting pipe of the distributor to the outer cylinder is the only passage for the washing machine to enter the water, and the patency of the connecting pipe determines the performance of the whole machine.
  • too much detergent is often added, resulting in a large amount of foam in the drum; especially during the dehydration process, the foam will flow back along the connecting pipe into the dispenser box, even from the dispenser box The outside of the box overflows, which brings unnecessary cleaning work to the user and causes dissatisfaction of the customer.
  • the present invention is directed to the above-mentioned problems existing in the prior art, and provides an anti-foam backflow structure of a washing machine, which avoids backflow of foam, improves performance of the whole machine, and improves user satisfaction.
  • An anti-foam backflow structure of a washing machine comprising a connecting pipe connecting the dispenser box and the outer cylinder, and a one-way valve structure disposed in the connecting pipe.
  • the one-way valve structure includes a tubular one-way valve body and a one-way valve plate disposed at a lower end of the one-way valve body.
  • a lower end of the one-way valve main body is provided with an inwardly extending constricted portion, and the one-way valve piece is provided with a lower end surface of the constricted portion.
  • the connecting pipe has a water inlet, a connecting pipe body and a water outlet, and the one-way valve structure is engaged in the water inlet.
  • the water inlet is provided with a necking section, and the upper end of the one-way valve body is provided with a ring extending outwardly, and the necking section is opposite to the outer wall of the one-way valve body. Matching, the convex edge matches the inner wall of the water inlet.
  • the neck portion and the water inlet have a radial connecting portion, and the protruding edge is located on the connecting portion.
  • the one-way valve piece is hinged with the one-way valve body, and a torsion spring is disposed between the one-way valve piece and the one-way valve body.
  • the lower end of the one-way valve body is provided with a first hinge portion extending downward, and the one-way valve piece is provided with a second hinge portion extending outward, the first hinge portion and the first hinge portion
  • the two hinges are connected by a rotating shaft.
  • the torsion spring is set on the rotating shaft.
  • the one-way valve body is provided with two one-way valve sheets facing each other.
  • the one-way valve piece is semicircular.
  • the utility model Based on the above anti-foam backflow structure, the utility model also provides a washing machine, which has the above anti-foaming backflow structure, avoids backflow of foam, improves overall performance, and improves user satisfaction.
  • a washing machine comprising a case, an outer tube and a dispenser case disposed in the case, and the anti-foam backflow structure described above.
  • the anti-foam backflow structure provided by the utility model has a one-way valve structure in the connecting pipe, the one-way valve structure is in a normally closed state; the water in the distributor box passes through the connecting pipe, the one-way valve structure Under the impact of downward, snoring downwards, so that the water flows through the outer cylinder; when the foam is flowing upward through the connecting pipe during the washing process, the one-way valve structure is subjected to an upward force, and the one-way valve structure is closed. , to stop the foam; to avoid the backflow of the foam, improve the performance of the whole machine, and improve user satisfaction.
  • FIG. 1 is a schematic structural view of an embodiment of an anti-foam backflow structure of a washing machine according to the present invention.
  • FIG. 2 is a partial cross-sectional enlarged structural view of FIG. 1;
  • FIG. 3 is an enlarged schematic structural view of the one-way valve structure of FIG. 2;
  • FIG. 4 is a cross-sectional structural view of FIG. 3.
  • the drum washing machine includes a box body, and an outer tube and a dispenser box disposed in the box body, in the outer tube and A connecting pipe is arranged between the distributor boxes, and the water supply device of the washing machine sprays tap water into the dispenser box, and then flows into the outer cylinder through the connecting pipe.
  • the anti-foam backflow structure of the washing machine includes a connecting pipe 1 connecting the dispenser box and the outer cylinder, and a check valve structure 2 disposed in the connecting pipe 1.
  • the one-way valve structure 1 is in a normally closed state and can only be slammed downward; the water in the distributor box passes through the connecting pipe 1 ⁇ , and the one-way valve structure 2 is subjected to a downward impact force, and is snoring downward, so that the water flow By reaching the outer cylinder; when the foam is flowing upward through the connecting pipe 2 during the washing process, the one-way valve structure 2 is subjected to an upward force, the one-way valve structure 2 is closed, the foam is stopped; the backflow of the foam is prevented, Improve overall machine performance and increase user satisfaction.
  • the one-way valve structure 2 includes a tubular one-way valve main body 21, and a one-way valve piece 22 disposed at a lower end of the one-way valve main body 21, through the one-way valve main body The stop of the lower end face of 21, the one-way valve piece 22 cannot be slammed upward, and can be snoring downward.
  • the check valve body 21 for fixing the one-way valve piece 22
  • the one-way valve piece 22 is mounted to the check valve body 21 to form the one-way valve piece structure 2, and the one-way valve piece structure 2 is attached to the connection pipe 2 can be used to improve assembly efficiency and reduce manufacturing costs.
  • the lower end of the one-way valve main body 21 is provided with an inwardly extending constricted portion 213, and the one-way valve piece 22 is provided with a lower end surface of the constricted portion 213;
  • the portion 213 increases the annular area of the lower end surface of the check valve main body 21, which facilitates the installation of the one-way valve piece 22, increases the contact area between the one-way valve piece 22 and the check valve main body 21, and increases the stability of the structure.
  • the connecting pipe 1 has a water inlet 11, a connecting pipe main body 12 and a water outlet 13, wherein the one-way valve structure 2 is engaged and fixed in the water inlet port 11.
  • the one-way valve structure 2 will be engaged into the water inlet 1 1 to make the installation operation simple and improve the installation efficiency.
  • the necking section 111 is provided in the water inlet 11 in the one-way valve.
  • the upper end of the main body 21 is provided with a ring extending outwardly from the outer edge of the one-way valve body 21, and the flange 211 is matched with the inner wall of the water inlet port 11.
  • the outer wall of the one-way valve body 21 is tightly attached to the neck portion 111, that is, the check valve body 21 and the neck portion 111 are in an interference fit, so that the check valve structure 2 is engaged with the water inlet. 11; the outer diameter of the flange 2 11 is slightly smaller than the inner diameter of the water inlet 11, which facilitates the installation of the one-way valve structure 2.
  • the connecting portion 112 there is a radially extending connecting portion 112 between the neck narrowing section 111 and the water inlet port 11, and the convex edge 211 is located on the connecting portion 112.
  • the connecting portion 112 By providing the connecting portion 112, the protruding edge 211 is located on the connecting portion 112, and the one-way valve structure 2 receives a downward impact force ⁇ , and the force is transmitted to the connecting portion 112 through the protruding edge 211, thereby increasing the force of the one-way valve structure 2. Performance, improving the stability of the check valve structure 2.
  • the check valve structure 2 enters from the port of the water inlet 11 and moves downward, and forces the outer wall of the one-way valve body 21 to the inner wall of the neck portion 111, and when the flange 211 reaches the connecting portion 112, one-way The valve structure 2 is mounted in place.
  • the one-way valve main body 21 is provided with two one-way valve plates 22 facing each other, and the one-way valve piece 22 is semi-circular;
  • the one-way valve plate 22 facilitates the short stroke of the one-way valve piece 22 for snoring and resetting, and increases the flexibility of movement, and the speed of snoring and resetting is faster.
  • the one-way valve piece 22 is hinged to the check valve main body 21, and a torsion spring 23 is disposed between the one-way valve piece 22 and the check valve main body 21.
  • the two check valve plates 22 are respectively hinged to the check valve main body 21, and the torque is maintained by the provision of the torsion spring 23 for the check of the one-way valve piece 21 and the normally closed state of the one-way valve piece 21.
  • the lower end of the check valve body 21 is provided with a first hinge portion 212 extending downward, and the one-way valve piece 2 2 is provided with a second hinge portion 221 extending outward, the first hinge portion 121 and the second hinge portion 112 are connected by the rotating shaft 24, that is, the first hinge portion 121 and the second hinge portion 112 are respectively provided with a rotating shaft hole, and the rotating shaft 24 is worn.
  • the torsion spring 23 is set on the rotating shaft 24

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Check Valves (AREA)

Abstract

Provided are a washing machine anti-foam backflow structure and a washing machine, the anti-foam backflow structure comprising a connecting pipe (1) for connecting a dispenser box and an external barrel, and a check valve structure (2) arranged in the connecting pipe (1). With the check valve structure (2) which is normally closed being provided in the connecting pipe (1), when water in the dispenser box passes through the connecting pipe (1), the check valve structure (2) is subjected to a downward impact and is opened downwardly such that water passes through and flows to the external barrel; when the bubble is refluxed upward through the connecting pipe (1) during a washing process, the check valve structure (2) is subjected to an upward force and is closed to block the foam; such that foam backflow is avoided, thereby improving overall performance and enhancing customer satisfaction.

Description

一种洗衣机的防泡沫倒流结构以及洗衣机 技术领域  Anti-foam backflow structure of washing machine and washing machine
[0001] 本实用新型属于洗衣机技术领域, 具体涉及一种洗衣机的防泡沫倒流结构、 以 及具有该防泡沫倒流结构的洗衣机。  [0001] The utility model belongs to the technical field of washing machines, and particularly relates to an anti-foam backflow structure of a washing machine and a washing machine having the anti-foam backflow structure.
背景技术  Background technique
[0002] 滚筒洗衣机是一种利用洗涤剂以及机械旋转作用, 清洗收容于滚筒中的洗涤物 带有的污染物质的装置。 滚筒洗衣机箱体、 套装的外筒和滚筒、 分配器盒, 在 分配器盒与外筒之间设置有连接管, 洗衣机的供水装置将自来水喷洒在分配器 盒内, 之后通过连接管流入外筒中。  [0002] A drum washing machine is a device that cleans pollutants contained in laundry contained in a drum by using detergent and mechanical rotation. a drum washing machine box, an outer cylinder and a drum of the set, a dispenser box, a connecting pipe is arranged between the distributor box and the outer cylinder, and a water supply device of the washing machine sprays tap water into the dispenser box, and then flows into the outer cylinder through the connecting tube. .
[0003] 目前, 分配器至外筒的连接管是洗衣机进水的唯一通道, 连接管的通畅性决定 整机的性能。 在洗衣机的使用过程中, 经常出现加入的洗涤剂过多, 导致滚筒 内会产生大量泡沫; 尤其在在脱水过程中, 泡沫会沿着连接管倒流至分配器盒 当中, 甚至从分配器盒向箱体外溢出, 给用户带来多余的清洁工作, 引起客户 的不满。  [0003] At present, the connecting pipe of the distributor to the outer cylinder is the only passage for the washing machine to enter the water, and the patency of the connecting pipe determines the performance of the whole machine. During the use of the washing machine, too much detergent is often added, resulting in a large amount of foam in the drum; especially during the dehydration process, the foam will flow back along the connecting pipe into the dispenser box, even from the dispenser box The outside of the box overflows, which brings unnecessary cleaning work to the user and causes dissatisfaction of the customer.
技术问题  technical problem
[0004] 本实用新型针对现有技术中存在的上述问题, 提供一种洗衣机的防泡沫倒流结 构, 避免泡沫的倒流, 改善整机性能, 提升用户满意度。  [0004] The present invention is directed to the above-mentioned problems existing in the prior art, and provides an anti-foam backflow structure of a washing machine, which avoids backflow of foam, improves performance of the whole machine, and improves user satisfaction.
问题的解决方案  Problem solution
技术解决方案  Technical solution
[0005] 为达到上述技术目的, 本实用新型采用以下技术方案实现:  [0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:
[0006] 一种洗衣机的防泡沫倒流结构, 包括连接分配器盒和外筒的连接管、 以及设置 在所述连接管内的单向阀结构。  An anti-foam backflow structure of a washing machine, comprising a connecting pipe connecting the dispenser box and the outer cylinder, and a one-way valve structure disposed in the connecting pipe.
[0007] 进一步的, 所述单向阀结构包括管形的单向阀主体、 以及设置在单向阀主体下 端的单向阀片。 Further, the one-way valve structure includes a tubular one-way valve body and a one-way valve plate disposed at a lower end of the one-way valve body.
[0008] 进一步的, 所述单向阀主体的下端设有向内延伸的缩口部, 所述单向阀片设置 所述缩口部的下端面。 [0009] 进一步的, 所述连接管具有进水口、 连接管主体和出水口, 所述单向阀结构卡 合在所述进水口内。 [0008] Further, a lower end of the one-way valve main body is provided with an inwardly extending constricted portion, and the one-way valve piece is provided with a lower end surface of the constricted portion. [0009] Further, the connecting pipe has a water inlet, a connecting pipe body and a water outlet, and the one-way valve structure is engaged in the water inlet.
[0010] 进一步的, 所述进水口内设有缩颈段, 所述单向阀主体的上端设有一圈向外延 伸的凸沿, 所述缩颈段与所述单向阀主体的外壁相匹配, 所述凸沿与进水口的 内壁相匹配。  [0010] Further, the water inlet is provided with a necking section, and the upper end of the one-way valve body is provided with a ring extending outwardly, and the necking section is opposite to the outer wall of the one-way valve body. Matching, the convex edge matches the inner wall of the water inlet.
[0011] 进一步的, 所述缩颈段与所述进水口之间具有径向的连接部, 所述凸沿位于所 述连接部上。  [0011] Further, the neck portion and the water inlet have a radial connecting portion, and the protruding edge is located on the connecting portion.
[0012] 进一步的, 所述单向阀片与所述单向阀主体铰接, 并在所述单向阀片与所述单 向阀主体之间设有扭簧。  [0012] Further, the one-way valve piece is hinged with the one-way valve body, and a torsion spring is disposed between the one-way valve piece and the one-way valve body.
[0013] 进一步的, 所述单向阀主体的下端设有向下延伸的第一铰接部, 所述单向阀片 上设有向外延伸的第二铰接部, 所述第一铰接部和第二铰接部通过转轴连接。  [0013] Further, the lower end of the one-way valve body is provided with a first hinge portion extending downward, and the one-way valve piece is provided with a second hinge portion extending outward, the first hinge portion and the first hinge portion The two hinges are connected by a rotating shaft.
[0014] 进一步的, 所述扭簧套装在所述转轴上。  [0014] Further, the torsion spring is set on the rotating shaft.
[0015] 进一步的, 所述单向阀主体上设有对幵的两个单向阀片。  [0015] Further, the one-way valve body is provided with two one-way valve sheets facing each other.
[0016] 进一步的, 所述单向阀片为半圆形。  [0016] Further, the one-way valve piece is semicircular.
[0017] 基于上述的防泡沫倒流结构, 本实用新型还提供一种洗衣机, 具有上述的防泡 沫倒流结构, 避免泡沫的倒流, 改善整机性能, 提升用户满意度。  [0017] Based on the above anti-foam backflow structure, the utility model also provides a washing machine, which has the above anti-foaming backflow structure, avoids backflow of foam, improves overall performance, and improves user satisfaction.
[0018] 一种洗衣机, 包括箱体、 以及设置在箱体内的外筒和分配器盒, 还包括上述的 防泡沫倒流结构。  [0018] A washing machine comprising a case, an outer tube and a dispenser case disposed in the case, and the anti-foam backflow structure described above.
发明的有益效果  Advantageous effects of the invention
有益效果  Beneficial effect
[0019] 本实用新型提供的防泡沫倒流结构, 通过在所述连接管内设置单向阀结构, 单 向阀结构处于常闭状态; 在分配器盒内的水通过连接管吋, 单向阀结构受到向 下的冲击力, 向下打幵, 使得水流通过到达外筒中; 当在洗涤过程中, 有泡沫 通过连接管向上倒流吋, 单向阀结构受到向上的力, 单向阀结构处于关闭状态 , 将泡沫挡止; 避免泡沫的倒流, 改善整机性能, 提升用户满意度。  [0019] The anti-foam backflow structure provided by the utility model has a one-way valve structure in the connecting pipe, the one-way valve structure is in a normally closed state; the water in the distributor box passes through the connecting pipe, the one-way valve structure Under the impact of downward, snoring downwards, so that the water flows through the outer cylinder; when the foam is flowing upward through the connecting pipe during the washing process, the one-way valve structure is subjected to an upward force, and the one-way valve structure is closed. , to stop the foam; to avoid the backflow of the foam, improve the performance of the whole machine, and improve user satisfaction.
对附图的简要说明  Brief description of the drawing
附图说明  DRAWINGS
[0020] 图 1为本实用新型所提出的洗衣机的防泡沫倒流结构的一个实施例的结构示意 图; 1 is a schematic structural view of an embodiment of an anti-foam backflow structure of a washing machine according to the present invention; Figure
[0021] 图 2为图 1中局部剖视放大结构示意图;  2 is a partial cross-sectional enlarged structural view of FIG. 1;
[0022] 图 3为图 2中单向阀结构的放大结构示意图; 3 is an enlarged schematic structural view of the one-way valve structure of FIG. 2;
[0023] 图 4为图 3的剖视结构示意图。 4 is a cross-sectional structural view of FIG. 3.
实施该发明的最佳实施例  BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[0024] 为使本实用新型实施例的目的、 技术方案和优点更加清楚, 下面将结合本实用 新型实施例中的附图, 对本实用新型实施例中的技术方案进行清楚、 完整地描 述。 The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention.
[0025] 在本发明的描述中, 需要说明的是, 术语"内"、 "外"、 "上"、 "下"等指示的方 位或位置关系为基于附图所示的位置关系, 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。  [0025] In the description of the present invention, it is to be noted that the orientation or positional relationship of the terms "inner", "outer", "upper", "lower" and the like is based on the positional relationship shown in the drawings, only The present invention and the simplifications of the present invention are not to be construed as limiting or limiting the invention.
[0026] 参阅图 1-图 4, 是本实用新型所提出的洗衣机的防泡沫倒流结构的一个实施例 , 滚筒洗衣机包括箱体、 以及设置在箱体内的外筒和分配器盒, 在外筒和分配 器盒之间设有连接管, 洗衣机的供水装置将自来水喷洒在分配器盒内, 之后通 过连接管流入外筒中。  1 to 4, which is an embodiment of the anti-foam backflow structure of the washing machine of the present invention, the drum washing machine includes a box body, and an outer tube and a dispenser box disposed in the box body, in the outer tube and A connecting pipe is arranged between the distributor boxes, and the water supply device of the washing machine sprays tap water into the dispenser box, and then flows into the outer cylinder through the connecting pipe.
[0027] 本实施例中, 参见 1和图 2所示, 洗衣机的防泡沫倒流结构包括连接分配器盒和 外筒的连接管 1、 以及设置在连接管 1内的单向阀结构 2。 单向阀结构 1处于常闭 状态, 并只能向下打幵; 在分配器盒内的水通过连接管 1吋, 单向阀结构 2受到 向下的冲击力, 向下打幵, 使得水流通过到达外筒中; 当在洗涤过程中, 有泡 沫通过连接管 2向上逆流吋, 单向阀结构 2受到向上的力, 单向阀结构 2处于关闭 状态, 将泡沫挡止; 避免泡沫的倒流, 改善整机性能, 提升用户满意度。  In the present embodiment, as shown in FIGS. 1 and 2, the anti-foam backflow structure of the washing machine includes a connecting pipe 1 connecting the dispenser box and the outer cylinder, and a check valve structure 2 disposed in the connecting pipe 1. The one-way valve structure 1 is in a normally closed state and can only be slammed downward; the water in the distributor box passes through the connecting pipe 1 吋, and the one-way valve structure 2 is subjected to a downward impact force, and is snoring downward, so that the water flow By reaching the outer cylinder; when the foam is flowing upward through the connecting pipe 2 during the washing process, the one-way valve structure 2 is subjected to an upward force, the one-way valve structure 2 is closed, the foam is stopped; the backflow of the foam is prevented, Improve overall machine performance and increase user satisfaction.
[0028] 本实施例中, 参见图 3所示, 单向阀结构 2包括管形的单向阀主体 21、 以及设置 在单向阀主体 21下端的单向阀片 22, 通过单向阀主体 21下端面的挡止, 单向阀 片 22不能向上打幵, 可以向下打幵。 通过设置单向阀主体 21, 用于固定单向阀 片 22, 单向阀片 22安装到单向阀主体 21上形成单向阀片结构 2, 并将单向阀片结 构 2安装到连接管 2内就可, 提高组装效率, 降低制造成本。 [0029] 本实施例中, 参见图 2所示, 单向阀主体 21的下端设有向内延伸的缩口部 213, 单向阀片 22设置缩口部 213的下端面; 通过设置缩口部 213, 增加单向阀主体 21 的下端面的环形面积, 有利于单向阀片 22的安装, 增加单向阀片 22与单向阀主 体 21之间的接触面积, 增加结构的稳定性。 [0028] In the present embodiment, as shown in FIG. 3, the one-way valve structure 2 includes a tubular one-way valve main body 21, and a one-way valve piece 22 disposed at a lower end of the one-way valve main body 21, through the one-way valve main body The stop of the lower end face of 21, the one-way valve piece 22 cannot be slammed upward, and can be snoring downward. By providing the check valve body 21 for fixing the one-way valve piece 22, the one-way valve piece 22 is mounted to the check valve body 21 to form the one-way valve piece structure 2, and the one-way valve piece structure 2 is attached to the connection pipe 2 can be used to improve assembly efficiency and reduce manufacturing costs. [0029] In this embodiment, as shown in FIG. 2, the lower end of the one-way valve main body 21 is provided with an inwardly extending constricted portion 213, and the one-way valve piece 22 is provided with a lower end surface of the constricted portion 213; The portion 213 increases the annular area of the lower end surface of the check valve main body 21, which facilitates the installation of the one-way valve piece 22, increases the contact area between the one-way valve piece 22 and the check valve main body 21, and increases the stability of the structure.
[0030] 本实施例中, 参见图 1所示, 连接管 1具有进水口 11、 连接管主体 12和出水口 13 , 其中单向阀结构 2卡合固定在进水口 11内。 将将单向阀片结构 2卡合到进水口 1 1内, 使得安装操作简单, 提高安装效率。  In the present embodiment, as shown in FIG. 1, the connecting pipe 1 has a water inlet 11, a connecting pipe main body 12 and a water outlet 13, wherein the one-way valve structure 2 is engaged and fixed in the water inlet port 11. The one-way valve structure 2 will be engaged into the water inlet 1 1 to make the installation operation simple and improve the installation efficiency.
[0031] 参见图 2和图 4所示, 对于进水口 11与单向阀结构 2之间的卡合固定, 本实施例 中, 在进水口 11内设有缩颈段 111, 在单向阀主体 21的上端设有一圈向外延伸的 凸沿 211, 缩颈段 111与单向阀主体 21的外壁相匹配, 凸沿 211与进水口 11的内壁 相匹配。 优选的, 单向阀主体 21的外壁紧紧的贴合在缩颈段 111上, 也就是单向 阀主体 21与缩颈段 111为过盈配合, 使得单向阀结构 2卡合在进水口 11上; 凸沿 2 11的外径略小于进水口 11的内径, 这样便于单向阀结构 2的安装。  [0031] Referring to FIG. 2 and FIG. 4, for the engagement and fixing between the water inlet 11 and the one-way valve structure 2, in this embodiment, the necking section 111 is provided in the water inlet 11 in the one-way valve. The upper end of the main body 21 is provided with a ring extending outwardly from the outer edge of the one-way valve body 21, and the flange 211 is matched with the inner wall of the water inlet port 11. Preferably, the outer wall of the one-way valve body 21 is tightly attached to the neck portion 111, that is, the check valve body 21 and the neck portion 111 are in an interference fit, so that the check valve structure 2 is engaged with the water inlet. 11; the outer diameter of the flange 2 11 is slightly smaller than the inner diameter of the water inlet 11, which facilitates the installation of the one-way valve structure 2.
[0032] 本实施例中, 在缩颈段 111与进水口 11之间具有沿径向延伸的连接部 112, 凸沿 211位于连接部 112上。 通过设置连接部 112, 凸沿 211位于连接部 112上, 在单向 阀结构 2受到向下的冲击力吋, 力通过凸沿 211传递到连接部 112上, 增加单向阀 结构 2的受力性能, 提高单向阀结构 2的稳定性。 单向阀结构 2从进水口 11的端口 进入, 并向下移动, 并用力将单向阀主体 21的外壁与缩颈段 111的内壁贴合, 当 凸沿 211到达连接部 112吋, 单向阀结构 2安装到位。  In the present embodiment, there is a radially extending connecting portion 112 between the neck narrowing section 111 and the water inlet port 11, and the convex edge 211 is located on the connecting portion 112. By providing the connecting portion 112, the protruding edge 211 is located on the connecting portion 112, and the one-way valve structure 2 receives a downward impact force 吋, and the force is transmitted to the connecting portion 112 through the protruding edge 211, thereby increasing the force of the one-way valve structure 2. Performance, improving the stability of the check valve structure 2. The check valve structure 2 enters from the port of the water inlet 11 and moves downward, and forces the outer wall of the one-way valve body 21 to the inner wall of the neck portion 111, and when the flange 211 reaches the connecting portion 112, one-way The valve structure 2 is mounted in place.
[0033] 本实施例中, 参见图 3所示, 单向阀主体 21上设有对幵的两个单向阀片 22, 单 向阀片 22为半圆形; 通过设置对幵的两个单向阀片 22, 有利于单向阀片 22打幵 和复位吋的行程较短, 增加动作灵活, 打幵和复位的速度较快。  [0033] In this embodiment, as shown in FIG. 3, the one-way valve main body 21 is provided with two one-way valve plates 22 facing each other, and the one-way valve piece 22 is semi-circular; The one-way valve plate 22 facilitates the short stroke of the one-way valve piece 22 for snoring and resetting, and increases the flexibility of movement, and the speed of snoring and resetting is faster.
[0034] 本实施例中, 单向阀片 22与单向阀主体 21铰接, 并在单向阀片 22与单向阀主体 21之间设有扭簧 23。 两个单向阀片 22分别铰接在单向阀主体 21上, 通过设置扭 簧 23为单向阀片 21复位、 以及单向阀片 21的常闭状态保持提供动力。  In the present embodiment, the one-way valve piece 22 is hinged to the check valve main body 21, and a torsion spring 23 is disposed between the one-way valve piece 22 and the check valve main body 21. The two check valve plates 22 are respectively hinged to the check valve main body 21, and the torque is maintained by the provision of the torsion spring 23 for the check of the one-way valve piece 21 and the normally closed state of the one-way valve piece 21.
[0035] 本实施例中, 单向阀主体 21的下端设有向下延伸的第一铰接部 212, 单向阀片 2 2上设有向外延伸的第二铰接部 221, 第一铰接部 121和第二铰接部 112通过转轴 2 4连接, 也就是在第一铰接部 121和第二铰接部 112上分别设有转轴孔, 转轴 24穿 过转轴孔; 并且扭簧 23套装在转轴 24上 [0035] In this embodiment, the lower end of the check valve body 21 is provided with a first hinge portion 212 extending downward, and the one-way valve piece 2 2 is provided with a second hinge portion 221 extending outward, the first hinge portion 121 and the second hinge portion 112 are connected by the rotating shaft 24, that is, the first hinge portion 121 and the second hinge portion 112 are respectively provided with a rotating shaft hole, and the rotating shaft 24 is worn. Over-rotating the shaft hole; and the torsion spring 23 is set on the rotating shaft 24
以上所述, 仅是本实用新型的较佳实施例而已, 并非是对本实用新型作其它形 式的限制, 任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更 或改型为等同变化的等效实施例。 但是凡是未脱离本实用新型技术方案内容, 依据本实用新型的技术实质对以上实施例所作的任何简单修改、 等同变化与改 型, 仍属于本实用新型技术方案的保护范围。  The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art may use the above-disclosed technical contents to change or modify the equivalent changes. Equivalent embodiment. However, any simple modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still within the scope of protection of the technical solutions of the present invention.

Claims

权利要求书 Claim
[权利要求 1] 一种洗衣机的防泡沫倒流结构, 其特征在于, 包括连接分配器盒和外 筒的连接管、 以及设置在所述连接管内的单向阀结构。  [Claim 1] An anti-foam backflow structure of a washing machine, comprising: a connecting pipe connecting the dispenser box and the outer cylinder, and a one-way valve structure provided in the connecting pipe.
[权利要求 2] 根据权利要求 1所述的防泡沫倒流结构, 其特征在于, 所述单向阀结 构包括管形的单向阀主体、 以及设置在单向阀主体下端的单向阀片。  [Claim 2] The anti-foam backflow structure according to claim 1, wherein the one-way valve structure includes a tubular one-way valve body, and a one-way valve piece disposed at a lower end of the one-way valve body.
[权利要求 3] 根据权利要求 2所述的防泡沫倒流结构, 其特征在于, 所述连接管具 有进水口、 连接管主体和出水口, 所述单向阀结构卡合在所述进水口 内。  [Claim 3] The anti-foam backflow structure according to claim 2, wherein the connecting pipe has a water inlet, a connecting pipe main body and a water outlet, and the one-way valve structure is engaged in the water inlet .
[权利要求 4] 根据权利要求 3所述的防泡沫倒流结构, 其特征在于, 所述进水口内 设有缩颈段, 所述单向阀主体的上端设有一圈向外延伸的凸沿, 所述 缩颈段与所述单向阀主体的外壁相匹配, 所述凸沿与进水口的内壁相 匹配。  [Claim 4] The anti-foam backflow structure according to claim 3, wherein the water inlet is provided with a necking section, and the upper end of the one-way valve body is provided with a ring extending outwardly. The constricted section is matched to an outer wall of the one-way valve body, and the convex edge matches an inner wall of the water inlet.
[权利要求 5] 根据权利要求 4所述的防泡沫倒流结构, 其特征在于, 所述缩颈段与 所述进水口之间具有径向的连接部, 所述凸沿位于所述连接部上。  [Claim 5] The anti-foam backflow structure according to claim 4, wherein the neck portion and the water inlet have a radial connecting portion, and the protruding edge is located on the connecting portion .
[权利要求 6] 根据权利要求 2所述的防泡沫倒流结构, 其特征在于, 所述单向阀主 体的下端设有向内延伸的缩口部, 所述单向阀片设置所述缩口部的下 端面。  [Claim 6] The anti-foam backflow structure according to claim 2, wherein a lower end of the one-way valve body is provided with an inwardly extending neck portion, and the one-way valve piece is provided with the necking The lower end of the part.
[权利要求 7] 根据权利要求 2至 6任一项所述的防泡沫倒流结构, 其特征在于, 所述 单向阀片与所述单向阀主体铰接, 并在所述单向阀片与所述单向阀主 体之间设有扭簧。  [Attachment 7] The anti-foam backflow structure according to any one of claims 2 to 6, wherein the one-way valve piece is hinged to the one-way valve body, and is in the one-way valve piece A torsion spring is disposed between the one-way valve bodies.
[权利要求 8] 根据权利要求 2至 6任一项所述的防泡沫倒流结构, 其特征在于, 所述 单向阀主体的下端设有向下延伸的第一铰接部, 所述单向阀片上设有 向外延伸的第二铰接部, 所述第一铰接部和第二铰接部通过转轴连接  [Claim 8] The anti-foam backflow structure according to any one of claims 2 to 6, wherein a lower end of the one-way valve body is provided with a first hinge portion extending downward, the check valve The sheet is provided with an outwardly extending second hinge portion, and the first hinge portion and the second hinge portion are connected by a rotating shaft
[权利要求 9] 根据权利要求 2至 6任一项所述的防泡沫倒流结构, 其特征在于, 所述 单向阀主体上设有对幵的两个单向阀片。 [Claim 9] The anti-foam backflow structure according to any one of claims 2 to 6, wherein the one-way valve body is provided with two one-way valve sheets facing each other.
[权利要求 10] 一种洗衣机, 包括箱体、 以及设置在箱体内的外筒和分配器盒, 其特 征在于, 还包括权利要求 1至 9任一项所述的防泡沫倒流结构。 [Claim 10] A washing machine comprising a case, and an outer tube and a dispenser case disposed in the case, further comprising the anti-foam backflow structure according to any one of claims 1 to 9.
PCT/CN2017/100116 2016-09-22 2017-09-01 Washing machine anti-foam backflow structure and washing machine WO2018054207A1 (en)

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