WO2014180021A1 - 洗衣机用洗涤剂投放组件及其转向阀 - Google Patents

洗衣机用洗涤剂投放组件及其转向阀 Download PDF

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Publication number
WO2014180021A1
WO2014180021A1 PCT/CN2013/077249 CN2013077249W WO2014180021A1 WO 2014180021 A1 WO2014180021 A1 WO 2014180021A1 CN 2013077249 W CN2013077249 W CN 2013077249W WO 2014180021 A1 WO2014180021 A1 WO 2014180021A1
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WO
WIPO (PCT)
Prior art keywords
valve
liquid
liquid outlet
steering
rotating
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Application number
PCT/CN2013/077249
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English (en)
French (fr)
Inventor
班永
王立东
Original Assignee
无锡小天鹅股份有限公司
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Application filed by 无锡小天鹅股份有限公司 filed Critical 无锡小天鹅股份有限公司
Publication of WO2014180021A1 publication Critical patent/WO2014180021A1/zh

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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 
    • D06F39/02Devices for adding soap or other washing agents
    • D06F39/022Devices for adding soap or other washing agents in a liquid state

Definitions

  • the present invention relates to the field of washing apparatus, and more particularly to a detergent dispensing assembly for a washing machine and a steering valve therefor. Background technique
  • the automatic washing machine has been automatically put into the detergent function, which is controlled by the washing machine program.
  • the detergent in the detergent storage container is put into the washing tub by using the delivery pump. Participate in washing.
  • existing automatic washing machines usually put a variety of detergents, such as laundry detergent, softener, disinfectant, and the like.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. Accordingly, it is an object of the present invention to provide a diverter valve that is capable of communicating with one or more of a plurality of inlet ports or a water inlet, respectively, and for switching between a liquid inlet and a water inlet.
  • Another object of the present invention is to provide a detergent delivery assembly for dispensing a plurality of detergents by means of a dispensing pump.
  • a steering valve includes: a valve body, the valve body includes a liquid outlet and a plurality of liquid inlets, and the liquid outlet and the liquid inlet communicate with the interior of the valve body a fixed valve piece, the fixed valve piece is disposed in the valve body, and a surface of the fixed valve piece faces a port of the liquid outlet and the liquid inlet, and the fixed valve piece is provided with a plurality of a through hole corresponding to the position of the liquid outlet and the liquid inlet; rotating the valve piece, the rotating valve piece is disposed in the valve body and facing the other surface of the fixed valve piece, and the rotating valve piece is provided a connecting groove, the connecting groove connects the liquid outlet to one or more of the plurality of liquid inlets; and a driver, the driver is connected to the rotating valve piece and drives the rotating valve plate to be opposite The fixed valve plate is rotated to connect the liquid outlets to the different liquid inlets through the connecting grooves (231).
  • the liquid outlet can be connected to one of the liquid inlets or the water inlet by rotating the connecting groove, and the communication can be switched between the liquid inlet and the water inlet.
  • the steering valve according to the invention also has the following additional technical features:
  • the rotating valve piece is in contact with the other surface of the fixed valve piece.
  • the steering valve further includes a water inlet, and the fixed valve plate is provided with a through hole corresponding to the position of the water inlet, and the water inlet is disposed on the valve body and passes through the valve body The connecting groove is in communication with the liquid outlet.
  • the steering valve further includes a positioner including a plurality of first positioning members located in the valve body and a first portion disposed in the valve body and following the rotating valve piece a positioning member, the positions of the plurality of first positioning members are in one-to-one correspondence with the positions of the liquid inlet and the water inlet, and the second positioning member is rotated to a position opposite to the one of the first positioning members to determine The relative position of the rotating valve piece and the fixed valve piece.
  • a positioner including a plurality of first positioning members located in the valve body and a first portion disposed in the valve body and following the rotating valve piece a positioning member, the positions of the plurality of first positioning members are in one-to-one correspondence with the positions of the liquid inlet and the water inlet, and the second positioning member is rotated to a position opposite to the one of the first positioning members to determine The relative position of the rotating valve piece and the fixed valve piece.
  • the first positioning member is a reed switch and is disposed on the signal board, and the second positioning member is a magnet.
  • the steering valve further includes a gasket disposed between the valve body and the fixed valve plate, and the gasket is provided with a plurality of the liquid outlet, the liquid inlet, and the inlet The position of the nozzle is one-to-one corresponding to the through hole.
  • a valve body includes a valve cover and a valve body, and the liquid outlet, the liquid inlet, and the water inlet are provided on the valve cover and the valve body formed with the valve cover and the valve body Connected.
  • the driver includes a fixed case and a motor
  • the fixed case is connected to the valve body
  • the motor is disposed in the fixed case
  • a drive shaft of the motor extends into the valve
  • the inside of the body is connected to the rotating valve piece.
  • the driver further includes a drive plate coupled to the drive shaft, the drive plate being in engagement with the rotary valve plate to drive the rotary valve plate to rotate.
  • the motor is a stepper motor that rotates in forward and reverse directions.
  • the plurality of liquid inlets and the water inlet are distributed around the liquid outlet and located on a circumference centered on the liquid outlet, the connection groove being along the circumference Radially extending and communicating the liquid outlet to one of the plurality of liquid inlets or the water inlet.
  • a detergent dispensing assembly for a washing machine includes: a plurality of detergent chambers, each of which stores a detergent; a steering valve, each of the steering valves a liquid port communicating with one of the detergent chambers; and a dispensing pump, the suction port of the dispensing pump being in communication with a liquid outlet of the steering valve, wherein the steering valve controls the rotation of the rotating valve piece
  • the liquid outlet communicates with the selected liquid inlet and is disconnected from the remaining plurality of liquid inlets to cause the delivery pump to pump the selected detergent to the discharge port of the delivery pump.
  • the detergent dispensing assembly achieves the purpose of dispensing a plurality of detergents by means of a dispensing pump by switching the diverting valve between the liquid outlet and the different liquid inlets.
  • the detergent delivery unit also has an automatic cleaning function that does not cause mixing of various laundry detergents.
  • the detergent delivery assembly of the present invention is simple in construction and low in manufacturing cost.
  • the detergent dispensing assembly for a washing machine has the following additional technical features:
  • the steering valve controls the outlet port each time with a selected one by rotating the valve plate
  • the inlet port is in communication and is disconnected from the remaining plurality of inlet ports.
  • the detergent delivery assembly further includes a water inlet valve, the steering valve is provided with a water inlet connected to the water inlet valve, and the steering valve is rotated by the rotating valve plate The communication and disconnection of the liquid outlet and the water inlet are controlled.
  • FIG. 1 is a schematic view of a detergent dispensing assembly for a washing machine in accordance with an embodiment of the present invention
  • FIG. 2 is an overall schematic view of a steering valve according to an embodiment of the present invention.
  • FIG. 3 is an exploded perspective view of a steering valve according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of a steering valve in accordance with an embodiment of the present invention. Description of the reference signs:
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present invention, “multiple” means two or more unless otherwise stated.
  • connection should be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined.
  • Connected, or connected integrally can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. It can be specific to those skilled in the art The circumstances understand the specific meaning of the above terms in the present invention.
  • a detergent dispensing assembly for a washing machine in accordance with an embodiment of the present invention will now be described with reference to FIG.
  • a detergent dispensing assembly for a washing machine includes: a detergent container 10, a steering valve 20, a dispensing pump 30, and a water inlet valve 40.
  • the interior of the detergent container 10 includes a plurality of detergent chambers independent of each other, each of which is used to store a detergent.
  • the detergent container 10 of Fig. 1 includes three detergent chambers 11-13, in which the laundry liquid is stored in the detergent chamber 11, the softener is stored in the detergent chamber 12, and the disinfectant is stored in the detergent chamber 13. .
  • a plurality of detergent chambers may also be provided as separate containers, respectively, without necessarily being formed in a single container.
  • the steering valve 20 is provided with a liquid outlet 21 and a plurality of liquid inlets respectively connected to the liquid outlet 21. Each of the inlets communicates with a detergent chamber through a line, i.e., each inlet corresponds to a detergent.
  • the number of the inlet ports is three, respectively, the inlet port 22 communicating with the detergent chamber 11, the inlet port 23 communicating with the detergent chamber 12, and washing The liquid inlet port 24 through which the agent chamber 13 communicates.
  • the dispensing pump 30 has a suction port 31 and a discharge port 32.
  • the suction port 31 communicates with the liquid outlet 21 of the steering valve 20 through a pipe
  • the discharge port 32 communicates with the washing tub 50 through a pipe.
  • the steering valve 20 can control the outlet port 21 to communicate with the selected inlet port in accordance with the command, while the remaining plurality of inlet ports are in an open state with the outlet port 21.
  • the diverter valve 20 can control the outlet port 21 to communicate with a selected inlet port each time according to the command, and at this time, the remaining plurality of inlet ports and the outlet port 21 In the open state, that is, only one selected detergent chamber can communicate with the liquid outlet 21 to dispense a detergent.
  • the diverter valve 20 can be configured to control the outlet port 21 to communicate with a plurality of selected inlet ports to simultaneously dispense a plurality of detergents.
  • the suction of the delivery pump 30 causes the selected detergent to be pumped from the corresponding detergent chamber to the discharge port of the delivery pump 30, and then into the washing tub 50 from the discharge port.
  • the steering valve 20 controls the liquid outlet 21 to communicate only with the liquid inlet 22.
  • the steering pump 20 When it is required to dispense different detergents, the steering pump 20 only needs to control the outlet port 21 to communicate with the corresponding one or more inlet ports according to the command, and at the same time ensure that the outlet port 21 is disconnected from the remaining inlet ports.
  • selected can be understood as a certain type or a certain type of detergent selected according to the washing needs, and the liquid inlet is specifically referred to as a detergent corresponding to the selected detergent.
  • the liquid port thus “selected” may refer to any one or more of a detergent, a detergent chamber or a liquid inlet.
  • the detergent delivery unit of the embodiment of the present invention dispenses a detergent
  • some of the washing is left in the detergent delivery passage, that is, the steering valve 20, the delivery pump 30, and the piping connecting the steering valve 20 and the delivery pump 30.
  • the detergent delivery assembly can also include an inlet valve 40 in communication with the water source.
  • the steering valve 20 is provided with a water inlet 25 communicating with the water inlet valve 40, and the steering valve 20 controls the communication and disconnection of the water inlet port 25 and the liquid outlet port 21 in accordance with the command.
  • the water inlet port 25 can be regarded as a liquid inlet, that is, the communication and disconnection between the liquid outlet port 21 and the water inlet port 25 follow the rule of communication and disconnection between the liquid outlet port 21 and the liquid inlet port. Specifically, when the liquid outlet 21 communicates with one of the liquid inlets, the water inlet port 25 is disconnected from the liquid outlet port 21, and when the liquid outlet port 21 is in communication with the water inlet port 25, all the liquid inlet ports are discharged. Port 21 is disconnected.
  • the user can input a program command to the washing machine by pressing a button to achieve the purpose of controlling the steering valve 20.
  • the diverter valve 21 can be automatically controlled by the steering valve 20 after each detergent is dispensed to communicate with the water inlet port 25 for cleaning of the detergent.
  • the detergent dispensing assembly achieves the purpose of dispensing a plurality of detergents by a dispensing pump 30 by switching the diverter valve 20 between the liquid outlet 21 and the different liquid inlets.
  • the detergent delivery unit also has an automatic cleaning function that does not cause mixing of various laundry detergents.
  • the detergent dispensing assembly of the present invention is simple in construction and low in manufacturing cost.
  • the steering valve 20 includes: a valve body 210, a fixed valve piece 220, a rotary valve piece 230, and a driver 240.
  • valve body 210 is provided with a liquid outlet 21, a plurality of liquid inlets and a water inlet 25, and the liquid outlet 21, the plurality of liquid inlets and the water inlet 25 are connected to the interior of the valve body 210. through.
  • the number of inlets can be adjusted as needed. Several inlets need to be pumped to set up several inlets. As shown in Fig. 2, the description will be made by taking a steering valve having three inlet ports as an example.
  • the inlet port 22 is responsible for the delivery of the laundry liquid
  • the inlet port 23 is responsible for the delivery of the softener
  • the inlet port 24 is responsible for the delivery of the disinfectant.
  • the valve body 210 includes a valve cover 211 and a valve body 212 located below the valve cover 211.
  • the liquid outlet 21, the liquid inlet 22-24, and the water inlet 25 are provided on the valve cover 211 and communicate with the inside of the valve body formed by the valve cover 211 and the valve body 212.
  • the fixed valve plate 220 is disposed in the valve body 212 and located below the liquid outlet 21, the liquid inlet 22-24 and the water inlet 25.
  • the upper surface of the fixed valve plate 220 faces the liquid outlet 21, the liquid inlet 22-24 and The lower port of the water inlet 25.
  • the fixed valve plate 220 is provided with a plurality of through holes 221 corresponding to the positions of the liquid outlet 21, the liquid inlet 22-24 and the water inlet 25.
  • a plurality of liquid inlet ports 22-24 and a water inlet port 25 are distributed around the liquid outlet port 21, and are located on a circumference centered on the liquid outlet port 21.
  • the through hole 221 of the fixed valve piece 220 is also arranged in the vertical direction (ie, the up and down direction) with the liquid outlet 21, the inlet port 22-24, and the water inlet port 25, and the liquid outlet 21, The liquid ports 22-24 and the water inlet 25 are aligned, respectively.
  • the rotating valve piece 230 is disposed in the valve body 212 and faces the lower surface of the fixed valve plate 220.
  • the rotating valve piece 230 is provided with a connecting groove 231.
  • the remaining through holes 221 are rotated by the valve.
  • the sheet 230 is sealed. As shown in FIGS. 3 and 4, in a specific embodiment of the present invention, the rotating valve piece 230 is in contact with the lower surface of the fixed valve piece 220.
  • the connecting groove 231 is an elongated groove extending in the radial direction of the circumference, and the length of the connecting groove 231 can satisfy one or more of the liquid outlet 21 and the plurality of liquid inlets 22-24 or the water inlet 25
  • the lower port is connected (if it is not necessary, it is recommended to delete).
  • the connecting groove 231 is a closed groove, i.e., does not extend to the edge of the rotating valve piece 230 to form a semi-closed groove whose one end is open.
  • the connecting groove 231 rotates as the rotating valve piece 230 rotates, when the outer end 233 of the connecting groove 231 is rotated to below the one or more liquid inlets or the corresponding through holes 221 of the water inlet 25.
  • the inlet port or the water inlet port 25 communicates with the liquid outlet port 21, and the through hole 221 through which the connection groove 231 is not turned is sealed by the rotating valve piece 230, and the liquid inlet or the water inlet corresponding to the through hole 221 is Disconnected from the liquid outlet 21. Therefore, as the rotary valve piece 230 rotates, the liquid outlet port 21 can be switched between communicating with a different liquid inlet or water inlet.
  • the actuator 240 is coupled to the rotary valve plate 230 and drives the rotary valve plate 230 to rotate relative to the fixed valve plate 220 such that the liquid outlet 21 communicates with the different inlet ports 22-24 and the water inlet port 25, respectively.
  • the steering valve 20 drives the rotation of the connecting groove 231 by rotating the rotating valve piece, so that the liquid outlet 21 communicates with one or more of the liquid inlets or the water inlet 25, and The communication is switched between the inlet port and the water inlet and the water inlet 25.
  • the steering valve may also include a positioner 250.
  • the positioner 250 includes a plurality of first positioning members 251 located in the valve body 210 and a valve body.
  • a second positioning member 252 in the 210 and following the rotating valve plate 230 The position of the first positioning member 251 is in one-to-one correspondence with the positions of the liquid inlets 22-24 and the water inlets 25. After the second positioning member 252 is rotated to a position opposite to the first positioning member 251, the first positioning member 251 is passed through the first positioning member 251 and The cooperation between the second positioning members 252 can determine the relative position of the rotating valve piece 230 and the fixed valve plate 220, that is, it can be determined which one or which inlet ports or water inlets 25 the liquid outlet 21 communicates with.
  • the first positioning member 251 is a reed switch and is disposed on the signal board 253 located below the rotating valve piece 230, and the second positioning member 252 is a magnet and is located on the lower surface of the rotating valve piece 230. Therefore, the first positioning member 251 Opposite to the second positioning member 252.
  • the control unit of the washing machine can determine which liquid inlet or water inlet 25 the liquid outlet 21 communicates with by the sensing signal between the magnet and the reed switch, so that The rotary valve piece 230 is controlled.
  • the steering valve further includes a gasket 260 disposed between the valve body 210 and the fixed valve plate 220.
  • the gasket 260 is provided with a plurality of through holes 261 corresponding to the positions of the liquid outlet 21, the liquid inlet 22-24 and the water inlet 25. Therefore, the gasket 260 ensures the fixing of the valve plate 220 and the valve body 210.
  • the sealing property is other than the through hole 261.
  • the driver 240 includes a fixed case 241 and a motor 242.
  • the fixed housing 241 is coupled to the valve body 210, and specifically, may be located below the valve body 212.
  • the motor 242 is disposed in the fixed housing 241 and the drive shaft 243 of the motor 242 extends into the valve body 210 to be coupled to the rotary valve plate 230 to drive the rotary valve plate 230.
  • the driver 240 may further include a driving disk 244 connected to the driving shaft 243.
  • the drive plate 244 is coupled to the rotary valve piece 230 and attached to each other.
  • the motor 241 is a stepper motor that is rotatable in forward and reverse directions.
  • the washing machine control unit can control the forward or reverse rotation of the motor to calculate the liquid outlet 21 and the selected liquid inlet or in the shortest time.
  • the water inlet 25 is connected to achieve the purpose of quickly discharging the detergent. In addition, this also reduces the number of rotations of the motor 241, which saves energy and extends the life of the motor.

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

Abstract

一种洗衣机用洗涤剂投放组件及其转向阀,该转向阀包括:阀体(210),阀体上包括一个出液口(21)和多个进液口(22-24),且出液口和进液口与阀体内部相连通;固定阀片(220),固定阀片(220)设在阀体内且固定阀片的一个面面向出液口(21)和进液口(22-24)的端口,固定阀片上设有多个与出液口和进液口的位置一一对应的通孔(221);转动阀片(230),转动阀片(230)设在阀体内且面向固定阀片(220)的另一个面,转动阀片上设有连接槽(231),连接槽将出液口(21)与多个进液口(22-24)中的一个或多个相连通;和驱动器(240),驱动器与转动阀片相连并驱动转动阀片(230)相对于固定阀片(220)转动以使出液口(21)通过连接槽(231)分别与不同的进液口连通。

Description

洗衣机用洗涤剂投放组件及其转向阀 技术领域 本发明涉及洗涤装置技术领域,特别是涉及一种洗衣机用洗涤剂投放组件及其转向 阀。 背景技术
随着技术的进步, 现有全自动洗衣机陆续出现自动投放洗涤剂功能, 就是通过洗衣 机程序控制, 按照计算的洗涤剂投放量, 使用投放泵把洗涤剂存储容器内的洗涤剂投放 到洗涤桶中参与洗涤。 但是现有自动投放洗衣机通常会投放多种洗涤剂, 如洗衣液、 柔 顺剂、 消毒液等。
这就需要多个投放泵来分别进行投放, 投放泵数量较多, 结构复杂, 成本会很高。 发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。 为此, 本发明的一个目的在 于提出一种出液口能够分别与多个进液口中的一个或多个或进水口相连通且在进液口 和进水口之中进行切换的转向阀。
本发明的另一个目的在于提出一种通过一个投放泵实现多种洗涤剂投放的洗涤剂 投放组件。
根据本发明一方面实施例的转向阀包括: 阀体, 所述阀体上包括一个出液口和多个 进液口, 且所述出液口和进液口与所述阀体内部相连通; 固定阀片, 所述固定阀片设在 所述阀体内且所述固定阀片的一个面面向所述出液口和进液口的端口,所述固定阀片上 设有多个与所述出液口和进液口的位置一一对应的通孔; 转动阀片, 所述转动阀片设在 所述阀体内且面向所述固定阀片的另一个面, 所述转动阀片上设有连接槽, 所述连接槽 将所述出液口与所述多个进液口中的一个或多个相连通; 和驱动器, 所述驱动器与所述 转动阀片相连并驱动所述转动阀片相对于所述固定阀片转动以使所述出液口通过所述 连接槽 (231 ) 分别与不同的所述进液口连通。
由此, 根据本发明实施例的转向阀, 通过转动连接槽能够使出液口与进液口中的一 个或进水口相连通, 并在进液口和进水口之间进行连通切换。
另外, 根据本发明的转向阀还具有如下附加技术特征:
根据本发明的一个实施例, 所述转动阀片与所述固定阀片的另一个面相贴合。 根据本发明的一个实施例, 转向阀还包一个进水口, 所述固定阀片上设有与所述进 水口的位置对应的通孔,所述进水口设在所述阀体上且通过所述连接槽与所述出液口相 连通。 根据本发明的一个实施例, 转向阀还包括***,所述***包括位于所述阀体内 的多个第一定位件和设在所述阀体内且与所述转动阀片随动的第二定位件,所述多个第 一定位件的位置与所述进液口和进水口的位置一一对应,所述第二定位件转动至与一个 所述第一定位件相对的位置以确定所述转动阀片与所述固定阀片的相对位置。
根据本发明的一个实施例, 所述第一定位件为磁簧开关且设在信号板上, 所述第二 定位件为磁铁。
根据本发明的一个实施例,转向阀还包括设在所述阀体和所述固定阀片之间的密封 垫, 所述密封垫上设有多个与所述出液口、 进液口和进水口的位置一一对应的通孔。
根据本发明的一个实施例, 阀体包括阀盖和阀身, 所述出液口、 进液口和进水口设 在所述阀盖上且与所述阀盖和阀身形成的阀体内部连通。
根据本发明的一个实施例, 所述驱动器包括固定壳和电机, 所述固定壳与所述阀体 相连,所述电机设在所述固定壳内且所述电机的驱动轴伸入所述阀体内部与所述转动阀 片相连。
根据本发明的一个实施例, 所述驱动器还包括与所述驱动轴相连的驱动盘, 所述驱 动盘与所述转动阀片相贴合以带动所述转动阀片转动。
根据本发明的一个实施例, 所述电机为沿正向和反向旋转的步进电机。
根据本发明的一个实施例,所述多个进液口和所述进水口围绕所述出液口分布且位 于以所述出液口为中心的圆周上,所述连接槽沿所述圆周的径向延伸且将所述出液口与 所述多个进液口中的一个或进水口连通。
根据本发明另一方面实施例的洗衣机用洗涤剂投放组件, 包括: 多个洗涤剂腔室, 每个所述洗涤剂腔室存储一种洗涤剂; 转向阀, 所述转向阀的每个进液口与一个所述洗 涤剂腔室连通; 和投放泵, 所述投放泵的吸入口与所述转向阀的出液口相连通, 其中, 所述转向阀通过转动阀片的转动控制所述出液口与选定的进液口相连通且与其余的所 述多个进液口断开, 以使所述投放泵将选定的洗涤剂泵送至所述投放泵的排出口。
由此, 根据本发明实施例的洗涤剂投放组件, 通过转向阀在出液口与不同进液口之 间的切换, 实现了利用一个投放泵投放多种洗涤剂的目的。 另外, 本洗涤剂投放组件还 具有自动清洗功能, 不会造成多种洗衣剂的混合。 最后, 本发明的洗涤剂投放组件结构 简单, 制造成本低。
另外, 根据本发明的洗衣机用洗涤剂投放组件还具有如下附加技术特征: 根据本发明的一个实施例,所述转向阀通过转动阀片的转动控制所述出液口每次与 一个选定的进液口相连通且与其余的所述多个进液口断开。
根据本发明的一个实施例, 洗涤剂投放组件还包括进水阀, 所述转向阀上设有一个 与所述进水阀相连接的进水口,所述转向阀通过所述转动阀片的转动控制所述出液口与 所述进水口的连通和断开。
本发明的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得 明显, 或通过本发明的实践了解到。 附图说明 本发明的上述和 /或附加的方面和优点从结合下面附图对实施例的描述中将变得明 显和容易理解, 其中:
图 1 是根据本发明实施例的洗衣机用洗涤剂投放组件的示意图;
图 2是根据本发明实施例的转向阀的整体示意图;
图 3是根据本发明实施例的转向阀的分解示意图;
图 4根据本发明实施例的转向阀的剖视图。 附图标记说明:
10: 洗涤剂容器; 11-13 : 洗涤剂腔室; 20: 转向阀; 21 : 出液口; 22-24: 进液口; 25: 进水口; 210: 阀体; 211 : 阀盖; 212 : 阀身; 220: 固定阀片; 221 : 固定阀片通 孔; 230 : 转动阀片; 231 : 连接槽; 232 : 连接槽内端; 233 : 连接槽外端; 240: 驱动 器; 241 : 电机; 242 : 固定壳; 243 : 驱动轴; 244: 驱动盘; 250 : ***; 251 : 第一 定位件; 252 : 第二定位件; 253 : 信号板; 260: 密封垫; 261 : 密封垫通孔; 30: 投放 泵; 31 : 吸入口; 32 : 排出口; 40: 进水阀; 50: 洗涤桶。 具体实施方式
下面详细描述本发明的实施例, 所述实施例的示例在附图中示出, 其中自始至终相 同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附 图描述的实施例是示例性的, 仅用于解释本发明, 而不能理解为对本发明的限制。
在本发明的描述中, 需要理解的是, 术语 "中心" 、 "纵向" 、 "横向" 、 "上" 、 "下" 、 "前" 、 "后" 、 "左" 、 "右" 、 "竖直" 、 "水平" 、 "顶" 、 "底" 、 "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。 此外, 术语"第一"、 "第二 "仅用于描述目的, 而不能理解为指示或暗示相对重要性或者隐含指明所指示的 技术特征的数量。 由此, 限定有 "第一" 、 "第二" 的特征可以明示或者隐含地包括一 个或者更多个该特征。 在本发明的描述中, 除非另有说明, "多个 "的含义是两个或两 个以上。
在本发明的描述中, 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, 可以是两个元件内部的连通。 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发明中的具体含义。
下面参考图 1来描述根据本发明实施例的洗衣机用洗涤剂投放组件。
根据本发明实施例的洗衣机用洗涤剂投放组件, 包括: 洗涤剂容器 10、 转向阀 20、 投放泵 30和进水阀 40。
具体而言, 如图 1所示, 洗涤剂容器 10内部包括多个彼此独立的洗涤剂腔室, 每 个洗涤剂腔室用于存储一种洗涤剂。 例如图 1中的洗涤剂容器 10包括三个洗涤剂腔室 11- 13, 其中洗涤剂腔室 11 内存储洗衣液, 洗涤剂腔室 12内存储柔顺剂以及洗涤剂腔 室 13内存储消毒剂。
本领域技术人员可以理解的是, 多个洗涤剂腔室也可以分别设置成单独容器, 而不 必仅限于形成在一个统一的容器内。
转向阀 20上设有一个出液口 21和多个分别与出液口 21相连接的进液口。 每个进 液口通过管路与一个洗涤剂腔室连通, 即每一个进液口与一种洗涤剂相对应。
以图 1中的洗涤剂投放组件为例,进液口数量为三个,分别为与洗涤剂腔室 11连通 的进液口 22, 与洗涤剂腔室 12连通的进液口 23和与洗涤剂腔室 13连通的进液口 24。
投放泵 30具有吸入口 31和排出口 32。 吸入口 31与转向阀 20的出液口 21通过管 路相连通, 而排出口 32通过管路与洗涤桶 50相连通。
在使用中, 转向阀 20可以根据指令控制出液口 21与选定的进液口相连通, 而此时 其余的多个进液口则与出液口 21处于断开状态。 在本发明的一些具体实施例中, 转向 阀 20可以根据指令控制出液口 21每次与一个选定的进液口相连通,而此时其余的多个 进液口则与出液口 21处于断开状态, 即只有一种选定的洗涤剂的腔室能够与出液口 21 相连通, 以投放一种洗涤剂。 当然, 在其他一些实施例中, 转向阀 20可以根据指令控 制出液口 21与若干选定的进液口相连通, 以同时投放多种洗涤剂。
当投放泵 30启动后通过,投放泵 30的抽吸使选定的洗涤剂从对应的洗涤剂腔室内 被泵送至投放泵 30的排出口, 再从排出口投放入洗涤桶 50内。
例如,需要向待洗衣物中加入洗衣液时,转向阀 20控制出液口 21仅与进液口 22相 连通。
当需要投放不同的洗涤剂时,转向泵 20仅需根据指令控制出液口 21与对应的一个 或多个进液口相连通, 同时保证出液口 21与其余进液口断开即可实现利用一个投放泵
30完成多种洗涤剂的投放。
此处的 "选定的" 可以理解为程序根据洗涤需要而选择的某几种或某一种洗涤剂, 涉及到进液口, 则是特指与程序选定的洗涤剂相对应的一个进液口, 因此 "选定的 "可 以是指任意一种或几种洗涤剂、 洗涤剂腔室或进液口。
在本发明实施例的洗涤剂投放组件投放一种洗涤剂后, 洗涤剂投放通道内,即转向 阀 20、投放泵 30以及连接转向阀 20和投放泵 30的管路内,会存留一些该洗涤剂,如果 下一次投放另一种洗涤剂, 则会导致两种不同的洗涤剂相互混合, 可能会造成洗涤效果 减弱,甚至会对衣物造成损坏。 优选地, 洗涤剂投放组件还可以包括与水源相连通的进水阀 40。 转向阀 20上设有 一个与进水阀 40相连通的进水口 25, 转向阀 20根据指令控制进水口 25与出液口 21 的连通和断开。
在此可以将进水口 25视为一个进液口, 即出液口 21与进水口 25之间的连通和断 开遵循上述出液口 21与进液口之间的连通和断开的规则。具体地, 当出液口 21与进液 口中的一个连通时, 进水口 25与出液口 21断开, 而当出液口 21与进水口 25连通时, 全部的进液口则与出液口 21断开。
当进水口 25与出液口 21连通后,清水会通过投放泵 30的抽吸至洗涤剂投放通道内, 以便对洗涤剂投放通道进行清洗。 因此, 只需在相邻两次投放洗涤剂的操作中间控制转 向阀 20将出液口 21与进水口 25连通并泵送清水一次, 即可解决本发明洗涤剂投放组 件的不同种洗涤剂混合的问题。
在使用中, 使用者可以通过按键向洗衣机输入程序指令, 以达到控制转向阀 20的 目的。另外, 可通过程序在每次洗涤剂投放后自动控制转向阀 20将出液口 21与进水口 25相连通以便进行洗涤剂的清洗。
由此, 根据本发明实施例的洗涤剂投放组件, 通过转向阀 20在出液口 21与不同进 液口之间的切换, 实现了利用一个投放泵 30投放多种洗涤剂的目的。 另外, 本洗涤剂 投放组件还具有自动清洗功能, 不会造成多种洗衣剂的混合。 最后, 本发明的洗涤剂投 放组件结构简单, 制造成本低。
下面参考图 2-4具体描述根据本发明实施例的转向阀 20。
根据本发明实施例的转向阀 20, 包括: 阀体 210、 固定阀片 220、 转动阀片 230和 驱动器 240。
具体而言, 阀体 210上设有一个出液口 21、 多个进液口以及一个进水口 25, 并且 出液口 21、 多个进液口以及进水口 25均与阀体 210的内部相连通。
进液口的数量可以根据需要进行调整, 需要泵送几种洗涤剂就设置几个进液口。如 图 2所示, 仍以具有三个进液口的转向阀为例进行描述。 其中进液口 22为负责洗衣液 的投放, 进液口 23负责柔顺剂的投放, 而进液口 24负责消毒剂的投放。
如图 3所示, 阀体 210包括阀盖 211和位于阀盖 211下方的阀身 212。 出液口 21、 进液口 22-24和进水口 25设在阀盖 211上且与阀盖 211和阀身 212形成的阀体内部相 连通。
固定阀片 220设在阀身 212内且位于出液口 21、进液口 22-24和进水口 25的下方, 固定阀片 220的上表面面向出液口 21、 进液口 22-24和进水口 25的下端口。 固定阀片 220上设有多个与出液口 21、 进液口 22-24和进水口 25的位置——对应的通孔 221。
在阀盖 211上, 多个进液口 22-24和进水口 25围绕出液口 21分布, 并且位于以出 液口 21为圆心的圆周上。 对应地, 固定阀片 220上的通孔 221也参照出液口 21、 进液 口 22-24和进水口 25的排布在竖直方向上(即上下方向上)与出液口 21、进液口 22-24 和进水口 25分别对齐。 转动阀片 230设在阀身 212内且面向固定阀片 220的下表面,转动阀片 230上设有 连接槽 231, 除了连接槽 231对应的通孔 221外, 其余通孔 221均被转动阀片 230所密 封住。 如图 3和 4所示, 在本发明的具体实施例中, 所述转动阀片 230与所述固定阀片 220的下表面相贴合。
连接槽 231为沿上述圆周的径向延伸的长条形凹槽,并且连接槽 231的长度能够满 足将出液口 21与多个进液口 22-24中的一个或多个或进水口 25的下端口连通(如没有 必要, 建议删除) 。 另外, 连接槽 231为一封闭凹槽, 即没有延伸至转动阀片 230的边 缘而形成一端敞开的半封闭槽。
如图 4所示, 连接槽 231随着转动阀片 230的转动而转动, 当连接槽 231 的外端 233转动至一个或多个进液口或进水口 25所对应的通孔 221 的下方时, 进液口或进水 口 25与出液口 21相连通,而连接槽 231没有转到的通孔 221则被转动阀片 230密封住, 这些通孔 221所对应的进液口或进水口则与出液口 21断开。 因此, 随着转动阀片 230 的转动, 出液口 21能够在与不同的进液口或进水口相连通之间切换。
驱动器 240与转动阀片 230相连并驱动转动阀片 230相对于固定阀片 220转动, 以 使出液口 21分别与不同的进液口 22-24以及进水口 25连通。
由此, 根据本发明实施例的转向阀 20, 通过转动阀片的转动而带动连接槽 231 的 转动, 使出液口 21与进液口中的一个或多个或进水口 25相连通, 并在进液口和进水口 以及进水口 25之间进行连通切换。
根据本发明的一些示例, 转向阀还可以包括*** 250。
如图 3所示, *** 250包括位于阀体 210 内的多个第一定位件 251和设在阀体
210内且与转动阀片 230随动的第二定位件 252。第一定位件 251的位置与进液口 22-24 和进水口 25的位置一一对应, 第二定位件 252转动至与一个第一定位件 251相对的位 置后, 通过第一定位件 251和第二定位件 252之间的配合, 能够确定转动阀片 230与固 定阀片 220的相对位置,即能够确定出液口 21与哪个或哪些进液口或进水口 25相连通。
第一定位件 251为磁簧开关且设在位于转动阀片 230下方的信号板 253上,而第二 定位件 252为磁铁且位于转动阀片 230的下表面上, 因此, 第一定位件 251与第二定位 件 252相对设置。 当磁铁随转动阀片 230转动至一个磁簧开关上方时, 洗衣机的控制单 元通过磁铁与磁簧开关之间的感应信号能够确定出液口 21 与哪个进液口或进水口 25 相连通, 以便对转动阀片 230进行控制。
如图 3所示, 转向阀还包括设在阀体 210和固定阀片 220之间的密封垫 260。 密封 垫 260上设有多个与出液口 21、进液口 22-24和进水口 25的位置——对应的通孔 261, 因此,密封垫 260保证了固定阀片 220与阀体 210之间除了通孔 261外其他部分的密封 性。
驱动器 240包括固定壳 241和电机 242。 固定壳 241与阀体 210相连, 具体地, 可 以位于阀身 212的下方。电机 242设在固定壳 241内且电机 242的驱动轴 243伸入阀体 210内部与转动阀片 230相连, 以驱动转动阀片 230。 为了向转动阀片 230提供可靠的驱动力,驱动器 240还可以包括与驱动轴 243相连 的驱动盘 244。 驱动盘 244与转动阀片 230相连接且彼此贴合。
优选地, 电机 241为可以沿正向和反向旋转的步进电机。通过*** 250确定转动 阀片上的连接槽 231 的具***置后, 洗衣机控制单元可以通过计算控制电机正传或反 转, 以在最短的时间内将出液口 21与选定的进液口或进水口 25连通, 以达到快速投放 洗涤剂的目的。 另外, 这样还能够减少电机 241的转动次数, 在节约能耗的同时延长了 电机的使用寿命。
在本说明书的描述中, 参考术语 "一个实施例" 、 "一些实施例" 、 "示意性实施 例" 、 "示例" 、 "具体示例" 、 或 "一些示例"等的描述意指结合该实施例或示例描 述的具体特征、 结构、 材料或者特点包含于本发明的至少一个实施例或示例中。 在本说 明书中, 对上述术语的示意性表述不一定指的是相同的实施例或示例。 而且, 描述的具 体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结 合。
尽管已经示出和描述了本发明的实施例, 本领域的普通技术人员可以理解: 在不脱 离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、 修改、 替换和变型, 本发明的范围由权利要求及其等同物限定。

Claims

权利要求书
1、 一种转向阀 (20) , 其特征在于, 包括:
阀体 (210) , 所述阀体上包括一个出液口 (21) 和多个进液口 (22-24) , 且所述 出液口 (21) 和进液口 (22-24) 与所述阀体内部相连通;
固定阀片 (220) , 所述固定阀片 (220) 设在所述阀体内且所述固定阀片的一个面 面向所述出液口 (21) 和进液口 (22-24) 的端口, 所述固定阀片 (220) 上设有多个与 所述出液口和进液口的位置一一对应的通孔 (221) ;
转动阀片(230), 所述转动阀片(230)设在所述阀体内且面向所述固定阀片(220) 的另一个面, 所述转动阀片 (230) 上设有连接槽 (231) , 所述连接槽 (231) 将所述 出液口 (21) 与所述多个进液口 (22-24) 中的一个或多个相连通; 和
驱动器 (240) , 所述驱动器 (240) 与所述转动阀片 (230) 相连并驱动所述转动 阀片(230)相对于所述固定阀片(220)转动以使所述出液口(21)通过所述连接槽(231) 分别与不同的所述进液口连通。
2、 根据权利要求 1所述的转向阀, 其特征在于: 所述转动阀片 (230) 与所述固定 阀片 (220) 的另一个面相贴合。
3、 根据权利要求 1所述的转向阀, 其特征在于: 还包一个进水口 (25) , 所述固 定阀片上设有与所述进水口的位置对应的通孔,所述进水口设在所述阀体上且通过所述 连接槽 (231) 与所述出液口相连通。
4、 根据权利要求 3所述的转向阀, 其特征在于: 还包括*** (250) ,所述定位 器包括位于所述阀体内的多个第一定位件 (251) 和设在所述阀体内且与所述转动阀片 随动的第二定位件 (252) , 所述多个第一定位件 (251) 的位置与所述进液口和进水口 的位置一一对应, 所述第二定位件 (252) 转动至与一个所述第一定位件相对的位置以 确定所述转动阀片 (230) 与所述固定阀片 (220) 的相对位置。
5、 根据权利要求 4所述的转向阀, 其特征在于: 所述第一定位件为磁簧开关且设 在信号板上, 所述第二定位件为磁铁。
6、 根据权利要求 3所述的转向阀, 其特征在于: 还包括设在所述阀体和所述固定 阀片之间的密封垫 (260) , 所述密封垫上设有多个与所述出液口、 进液口和进水口的 位置一一对应的通孔 (261) 。
7、 根据权利要求 3所述的转向阀, 其特征在于: 阀体 (210) 包括阀盖 (211) 和 阀身 (212) , 所述出液口、 进液口和进水口设在所述阀盖 (211) 上且与所述阀盖和阀 身 (212) 形成的阀体内部连通。
8、根据权利要求 3所述的转向阀, 其特征在于: 所述驱动器(240)包括电机(241) 和固定壳 (252) , 所述固定壳与所述阀体相连, 所述电机设在所述固定壳内且所述电 机的驱动轴 (243) 伸入所述阀体内部与所述转动阀片相连。
9、 根据权利要求 8所述的转向阀, 其特征在于: 所述驱动器还包括与所述驱动轴 相连的驱动盘 (244) , 所述驱动盘与所述转动阀片相贴合以带动所述转动阀片转动。
10、 根据权利要求 8所述的转向阀, 其特征在于: 所述电机为沿正向和反向旋转的 步进电机。
11、 根据权利要求 3-10 中任意项所述的转向阀, 其特征在于: 所述多个进液口 (22-24) 和所述进水口 (25) 围绕所述出液口 (21) 分布且位于以所述出液口 (21) 为中心的圆周上, 所述连接槽 (231) 沿所述圆周的径向延伸且将所述出液口 (21) 与 所述多个进液口 (22-24) 中的一个或多个或进水口 (25) 连通。
12、 一种洗衣机用洗涤剂投放组件, 其特征在于, 包括:
多个洗涤剂腔室 (11-13) , 每个所述洗涤剂腔室存储一种洗涤剂;
转向阀 (20) , 所述转向阀 (20) 为权利要求 1-11 中任意项所述的转向阀, 所述 转向阀的每个进液口与一个所述洗涤剂腔室连通; 和
投放泵(30), 所述投放泵(30)的吸入口 (31)与所述转向阀(20)的出液口 (21) 相连通,
其中, 所述转向阀 (20) 通过转动阀片的转动控制所述出液口 (21) 与选定的进液 口相连通且与其余的所述多个进液口断开, 以使所述投放泵(30)将选定的洗涤剂泵送 至所述投放泵的排出口 (32) 。
13、 根据权利要求 12所述的洗涤剂投放组件, 其特征在于: 所述转向阀 (20) 通 过转动阀片的转动控制所述出液口(21)每次与一个选定的进液口相连通且与其余的所 述多个进液口断开。
14、 根据权利要求 12所述的洗涤剂投放组件, 其特征在于: 还包括进水阀 (40) , 所述转向阀 (20) 为权利要求 3-11中任意项所述的转向阀, 所述转向阀 (20) 上设有 一个与所述进水阀 (40) 相连接的进水口 (25) , 所述转向阀 (20) 通过所述转动阀片 的转动控制所述出液口 (21) 与所述进水口 (25) 的连通和断开。
PCT/CN2013/077249 2013-05-07 2013-06-14 洗衣机用洗涤剂投放组件及其转向阀 WO2014180021A1 (zh)

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