WO2019091309A1

WO2019091309A1 - Washing machine

Info

Publication number: WO2019091309A1
Application number: PCT/CN2018/112910
Authority: WO
Inventors: 张开宏; 程宝珍; 孙广彬; 张令全
Original assignee: 青岛海尔洗衣机有限公司
Priority date: 2017-11-13
Filing date: 2018-10-31
Publication date: 2019-05-16
Also published as: CN107815819A

Abstract

A washing machine, an improvement on an additive delivery structure of the existing washing machines, comprises an additive delivery system. The additive delivery system comprises at least one external container (1) for holding an additive, and an automatic delivery mechanism (2) for automatically delivering an additive in the container (1) into the washing machine. The washing machine is provided with a connection port structure (3) for externally connecting the container (1). The container (1) and the connection port structure (3) are detachably connected. The automatic delivery mechanism (2) is disposed in the washing machine, and is connected to the connection port structure (3). A protection device is disposed at the connection port structure (3), and may be a detachable protection cover sleeved on the connection port structure (3) or a filtering device (11) disposed in the connection port structure (3). When the container (1) and the connection port structure (3) are disconnected, the protection device can prevent impurities from entering the connection port structure (3) and accordingly, blockage of the additive delivery is avoided. The washing machine has a simple structure, is easy to detach and replace, and has good usability.

Description

washing machine

Technical field

The present invention relates to the field of washing machines, and more particularly to a washing machine having a detachable external additive container.

Background technique

Nowadays, washing machines of various manufacturers on the market are full of functions and functions. With the development of artificial intelligence, higher and higher requirements are put forward for the convenience and reliability of detergent delivery. In terms of ease of operation, Although there has been a smart-placement washing machine in the market for storing a large amount of laundry liquid for multiple washing cycles, the operation steps of the user are reduced to some extent, but the user still needs to go to the market to buy the bag and bottle in person. If the laundry liquid is not uniform in packaging, irregularly put a proper amount of detergent into the detergent storage tank, the detergent storage tank. In other words, one bottle or one pack of laundry liquid still needs to be delivered multiple times. The reliability of the delivery of the detergent depends on the means for holding the detergent. Although various devices for containing the detergent have appeared on the market, the fixing means for the detergent-containing device is too complicated.

Chinese Patent Application No. CN201310573169.1 discloses a detergent box device for a washing machine, comprising: a detergent box set to open and close, and having a hanging portion; a button in or on the body of the washing machine; a box fixing device for restricting movement of the detergent box by operation of a button, the detergent box device is small in size, cannot accommodate more detergent, and has a complicated structure for installation and removal of the detergent box device, high manufacturing cost, and detergent The cleaning of the box equipment is inconvenient. When the washing liquid is changed, the liquid of different brands is easily mixed, and the clothes washed out have the smell of different brand washing liquids. If the washing machine is not used for a long time, the liquid in the detergent box will dry up. Causing the washing fluid line to be blocked.

Chinese Patent Application No. CN 201310737619.6 discloses a washing machine with a detergent box, comprising a washing machine box, a control disc holder disposed on the box body and an upper cover mounted on the control disc holder, the control panel The chamber is provided with at least one chamber for dispensing a solid detergent and at least one container for holding a liquid detergent, the chamber and the container each having a washing disposed on an upper end surface of the control tray a dispensing opening, the upper cover covers the detergent dispensing opening in a closed state; the control tray is further provided with an automatic detergent dispensing device communicating with the chamber and the container, the automatic detergent dispensing device is A device for extracting and dispensing a liquid detergent in a container by using a negative pressure generated when the influent water flows through the venturi. However, the above structure also has the following defects: 1. The space under the control tray is insufficient. The washing machine sets the detergent container in the control tray seat, occupies a large lower space, and with the advancement of technology, the function of the existing washing machine More and more, corresponding to the need to install more electrical components, the space under the control tray is not enough for the installation of multi-function electronic modules; 2, the user needs to put detergent, resulting in excessive detergent delivery, overflow from the detergent outlet; 3 The detergent filling port is prone to dust and dirt during a long period of time, and is difficult to clean.

The present invention has been made in view of the above.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a washing machine having an external container capable of holding an additive, and having an interface structure detachably connected to the external container, and the body is not connected The interface structure can block the entry of foreign objects in the container state.

In order to solve the above technical problem, the basic idea of the technical solution of the present invention is: a washing machine comprising a washing machine body, a container externally connected to the washing machine body to provide an additive, the washing machine body being provided with an interface structure externally connected to the container, the interface structure and The container is detachably connected, and the interface structure is provided with a protection device for blocking the entry of foreign objects when the body is not connected to the container.

Further, the interface structure is provided with a connection port that communicates with the inside of the container. When the container is not connected, the connection port communicates with the outside, and the protection device is a filtering device provided at the connection port.

Further, the filtering device is detachably disposed in the connection port.

Further, the container is provided with a container connecting portion that is matched with the interface structure, and the container connecting portion is inserted into the connecting port, and the filtering device is disposed in the connecting port.

Further, the container connecting portion is provided with a one-way valve, and the interface structure is provided with a connecting unit capable of opening the one-way valve to discharge the liquid in the container, and the filtering device and the connecting unit are an integral structure or a separate structure.

Further, the check valve includes a liquid outlet passage, a valve plug for opening and closing the liquid outlet passage, and a spring supporting the valve plug to close the liquid outlet passage, and the communication unit includes a top opening valve plug to open the ejector rod of the liquid outlet passage,

Preferably, the ram is detachably mounted in the connection port,

More preferably, the ejector rod and the filtering device are of a unitary structure.

Further, the filtering device is a filter disc matched with the inside of the connecting port, and a connecting bracket supporting the filter disc is disposed in the connecting port, the filter disc is movably supported on the boss, and one end of the jack is integrally connected with the filter disc, and One end extends in the axial direction toward the outside.

Further, a limiting structure is disposed between the filter disc and the connection port.

Further, the container is provided with a liquid outlet, and the liquid outlet is provided with a container connecting portion which is matched with the interface structure, and the container connecting portion is detachably connected with the liquid outlet, preferably, the container connecting portion and the liquid outlet thread connection.

Further, the container connecting portion comprises a connecting cap provided with an internal thread and a liquid outlet, and a plugging unit matched with the interface structure. One end of the plugging unit is disposed inside the connecting cap and between the connecting cap There is an annular mounting groove connected to the liquid outlet, and the other end extends to the outside of the connecting cap, and a check valve is arranged in the plugging unit.

Further, the washing machine body is provided with an automatic placing mechanism for automatically feeding the additive into the washing machine, and is connected with the interface structure.

Further, the additive delivery system includes a first delivery unit and a second delivery unit. The first delivery unit is installed in the washing machine, and is a manual delivery unit, including a sink and a distribution box disposed in the water tank, and an automatic placement mechanism. The second dispensing unit is disposed on the water tank of the first dispensing unit, and the second dispensing unit is an external dispensing unit, and includes the container for holding the additive. The first dispensing unit and the second dispensing unit have a common dispensing water path.

Preferably, the container is detachably mounted on the outer or outer circumference of the control tray of the washing machine, and the additive in the container is discharged from the first dispensing unit into the washing machine by the interface structure and the automatic dispensing mechanism.

Further, the water tank comprises a body and a waterway integration module mounted on the body, and the waterway integration module is provided with at least one water supply channel communicating with the distribution box, and the automatic delivery mechanism is in communication with the water supply channel.

Further, the first waterway module and the second waterway module are installed on the water tank, the first waterway module integrates a main water inlet and a water inlet main road, and the second waterway module integrates at least one connected water inlet main road and distribution The water inlet branch of the box is provided on the first waterway module and the second waterway module to connect the water inlet main road and the container.

Preferably, the first waterway module is mounted on the rear side of the water tank, and the second waterway module is mounted on the top of the water tank.

Preferably, the second waterway module is further integrated with a flushing waterway for cleaning the automatic dispensing mechanism.

The distribution box comprises at least two chambers, respectively a detergent/washing powder chamber and a softener chamber, and the water inlet main passage communicates with the detergent/washing powder chamber of the distribution box; the waterway integration module is further provided with an auxiliary inlet. The nozzle and the inlet auxiliary passage communicate with the softener chamber.

Further, the water tank is further provided with a control valve, the interface structure is connected with the control valve, and the control valve controls the interface structure to communicate with the automatic placement mechanism.

Further, the automatic dispensing mechanism comprises an additive extraction unit and an additive extraction pipeline, the additive extraction unit is in communication with the injection waterway, the liquid inlet end of the additive extraction pipeline is in communication with the container, and the liquid outlet end is in communication with the additive extraction unit.

Preferably, the additive extraction unit includes a negative pressure forming portion disposed in the water supply passage, and the liquid discharge end of the additive extraction line communicates with the negative pressure forming portion, and the additive is drawn into the water supply passage through the negative pressure forming portion.

Preferably, the additive extraction line is provided with a flow detecting unit for detecting the amount of the additive to be dispensed. More preferably, the flow detecting unit is detachably mounted on the water tank.

Further, the second dispensing unit further comprises a flushing waterway for cleaning the additive extraction pipeline by the influent water, one end is connected to the injecting waterway, and the other end is connected to the additive extracting pipeline through the control valve.

Preferably, the control valve is a two-in-one-out reversing valve, and the inlet of the reversing valve is respectively connected with the flushing waterway and the interface structure, and the outlet is connected with the additive extraction pipeline.

Further, the container is detachably mounted on the control panel of the washing machine, and the interface structure/container connection portion passes through the control panel and is detachably and sealingly connected to the container connection/interface structure. Alternatively, it is externally placed on the top surface of the drum washing machine.

Further, the control tray base is provided with a container mounting portion and a positioning portion matched with the container.

Preferably, the container mounting portion is a recess provided on the rear side surface of the control tray to be recessed to match the container.

Preferably, the positioning portion is a positioning protrusion disposed on the container mounting portion, and the container corresponding to the positioning protrusion is provided with a positioning groove.

Further, the container is provided with a liquid inlet, and a liquid inlet cover is disposed at the liquid inlet, and the liquid inlet cover is provided with a one-way gas permeable structure.

After adopting the above technical solution, the present invention has the following advantageous effects compared with the prior art.

1. The external additive container does not occupy the internal space of the washing machine, does not affect the detergent delivery structure of the existing washing machine itself, has a simple structure, is convenient to disassemble, is convenient for replacement, and has good usability;

2. The external detachable setting makes the maintenance of the container simpler and more convenient, and can effectively avoid the phenomenon that cannot be solved when the clogging problem occurs;

3. It can realize automatic delivery and multiple delivery. It is not necessary to install the additive container in each laundry, and it is not necessary to put additives every time, which is conducive to cleaning;

4. Sealing additive container, only gas can enter the additive container, gas and liquid can not flow out from the additive container, and play the role of sealing, waterproof, dustproof and liquid spill prevention;

5. The gas unidirectional circulation can balance the air pressure in the additive container, so that the additive is smoother when it is extracted, and the difficulty of extracting the additive is not increased because the pressure in the additive container is reduced;

6, additives can be added, so that the additive container can be recycled, saving cost and energy saving, easy to use;

7. The interface structure is provided with a protection device, which can be a detachable protective cover sleeved on the connection port or a filtering device disposed in the connection port to prevent the inclusion of impurities into the connection port and cause the additive to be blocked.

8. The filter device and the ejector structure in the connection port are designed as one body, and the ejector rod is used as a handle for the installation and disassembly of the filter device, and has a simple structure, convenient loading and unloading, and is convenient for taking out and cleaning.

The specific embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

DRAWINGS

The drawings are intended to provide a further understanding of the invention, and are intended to be illustrative of the invention. It is apparent that the drawings in the following description are only some embodiments, and other drawings may be obtained from those skilled in the art without departing from the drawings. In the drawing:

Figure 1 is a partial schematic view showing the installation of an external container of the washing machine of the present invention;

2 is a schematic structural view of an additive delivery system of the present invention;

Figure 3 is a cross-sectional view of the container of the present invention;

4 is a schematic diagram of an interface structure of the present invention;

Figure 5 is a cross-sectional view of the additive delivery system of the present invention;

Figure 6 is a schematic structural view of a first dispensing unit of the present invention;

7 to 8 are schematic views showing the installation structure of the first delivery unit and the automatic placement mechanism of the present invention;

Figure 9 is a schematic view showing the water supply path of the additive delivery system of the present invention;

Figure 10 is a schematic view showing a unidirectional gas permeable structure of the container of the present invention;

Figure 11 is a cross-sectional view taken along line A-A of Figure 10;

It is to be understood that the drawings and the written description are not intended to limit the scope of the present invention in any way.

Detailed ways

The embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. The orientation or positional relationship of the indications is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplified description, rather than indicating or implying that the device or component referred to has a specific orientation, in a specific orientation. The construction and operation are therefore not to be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

As shown in FIG. 1 to FIG. 5, the washing machine of the present invention is an improvement of an existing washing machine additive delivery structure, including an additive delivery system, the additive delivery system comprising at least one external container 1 for holding an additive and The additive in the container 1 is automatically placed into the automatic dispensing mechanism 2 (see FIG. 7) in the washing machine, and the washing machine is provided with an interface structure 3 for circumscribing the container 1. The container 1 is detachably connected with the interface structure 3, and the automatic dispensing mechanism 2 is installed. In the washing machine, the interface structure 3 is connected, and a protection device is arranged at the interface structure, which may be a detachable protective cover that is sleeved on the interface structure, or a filtering device disposed in the interface structure, in the container 1 and the interface structure 3 In the unconnected state, the protection device prevents debris from entering the interface structure and causing the additive to be blocked.

Embodiment 1

As shown in FIG. 1 , the washing machine in this embodiment is a pulsator washing machine, and includes a control disc holder 6 . The container 1 is detachably mounted on the control disc holder 6 of the washing machine, and can also be mounted on the outer wall of the control disc seat. The control panel 6 is provided with an interface structure 3, and the upper side of the control panel 6 is provided with a container mounting portion 61 and a positioning portion matching the container 1. Preferably, the container mounting portion 61 is a recess that is recessed to match the container on the rear side surface of the control tray 6 .

Preferably, the positioning portion is a positioning protrusion provided on the container mounting portion, and the container 1 is provided with a positioning groove corresponding to the positioning protrusion.

As shown in FIG. 2 and FIG. 5, the interface structure 3 is provided with a connection port 31, and the container 1 is provided with a container connection portion 15 matching the connection port 31, and the interface structure 3/container connection portion 15 passes through the control disk holder 6, and the container The connecting portion 15 / the interface structure 3 is detachably plugged and sealed.

Alternatively, the washing machine of the present invention is a drum washing machine, and the container is detachably mounted on the top table of the drum washing machine.

Embodiment 2

As shown in FIG. 3 to FIG. 5, the container 1 of the present embodiment is provided with a liquid outlet 13 which is screwed to the liquid outlet 13 and the container connecting portion 15 includes an internal thread and The connecting cap 151 connected to the liquid outlet 13 and the plugging unit 152 matched with the interface structure 3 are provided at one end of the connecting cap 151 and connected to the connecting port 151 and connected to the liquid outlet 13 The annular mounting groove 153 has the other end extending to the outside of the connecting cap 151. The plugging unit 152 is provided with a check valve 14 for sealing the liquid outlet. The connecting port 31 of the interface structure 3 is provided with a check valve 14 for opening the container. The liquid-extracting communication unit 10 includes a liquid outlet passage 141, a valve plug 142 that opens and closes the liquid outlet passage 141, and a spring 143 that supports the valve plug 142 to close the liquid outlet passage. The communication unit 10 includes a top portion. Opening the valve plug 142 to open the ejector pin 101 of the liquid outlet passage 141. The ejector rod 101 and the filtering device 11 are integrally formed and detachably mounted in the connecting port.

The filtering device 11 is a filter tray matched with the inside of the connecting port 31. The connecting port 31 is provided with a boss 32 for supporting the filter disc. The filter disc is movably supported on the boss 32. One end of the jack 101 is integrally connected with the filter disc, and the other end is connected to the filter disc. One end extends in the axial direction toward the outside.

Further, a limiting structure 110 is disposed between the filter disc and the connecting port to prevent the filter rod from tilting when the jack 101 pushes the check valve 14 when the container 1 and the interface structure 3 are installed, thereby causing the jack 101 to be tilted. The tilting is misaligned and the check valve 14 cannot be opened.

Preferably, the container 1 further includes a first sealing unit that seals the liquid outlet 13 , and the first sealing unit is disposed between the liquid outlet 13 and the container connecting portion 15 . Further, the first sealing unit is an annular sealing ring installed in the annular mounting groove 153 and sealed to the end of the liquid outlet 13 .

Embodiment 3

As shown in FIG. 6 to FIG. 9 , the additive delivery system of the embodiment includes a first delivery unit and a second delivery unit. The first delivery unit is installed in the control tray 6 and is a manual delivery unit, including a sink 4 and a pumping unit. The distribution box 5 is disposed in the water tank 4, the automatic dispensing mechanism 2 is disposed on the water tank 4 of the first dispensing unit, and the second dispensing unit is an external dispensing unit, including the container 1 containing the additive, the first dispensing unit The second delivery unit has a shared water supply path, and the additive in the container 1 is discharged from the first delivery unit into the washing machine by the automatic delivery mechanism.

The water tank 4 includes a body 41 and a waterway integration module 42 mounted on the body 41. The waterway integration module 42 is provided with at least one water supply channel 7 communicating with the distribution box 5, and the automatic delivery mechanism 2 is in communication with the water supply channel 7.

Further, the water tank 4 is mounted with a first waterway module 43 and a second waterway module 44. The first waterway module 43 is integrated with a main water inlet 431 and a water inlet main road 432, and the second waterway module 44 is integrated with two The water inlet main path 432 and the water inlet branch 441 of the distribution box 5 are connected to each other, and the automatic dispensing mechanism 2 is disposed on the first waterway module 43 and the second waterway module 44 to communicate the water inlet main path 432 and the container 1.

Preferably, the first waterway module 43 is mounted on the rear side of the water tank 4, and the second waterway module 44 is mounted on the top of the water tank 4.

The first dispensing unit of the present embodiment is an existing pulsator washing machine additive dispensing structure, and the dispensing box 5 includes at least two chambers, respectively a detergent/washing powder chamber 51 and a softener chamber 52 (see FIG. 6). The water inlet main road 432 is in communication with the detergent/washing powder chamber of the distribution box; the waterway integration module 42 is further provided with an auxiliary water inlet 421 and a water inlet auxiliary circuit 422 (see FIG. 9) communicating with the softener chamber.

Further, the water tank 4 is further provided with a control valve 451. The interface structure 3 is connected to the control valve 451, and the control valve 451 controls the communication between the interface structure 3 and the automatic placement mechanism 2.

Embodiment 4

As shown in FIG. 9, the automatic dispensing mechanism 2 of the present invention includes an additive extraction unit 21 and an additive extraction line 22, the additive extraction unit 21 is in communication with the delivery water path 7, and the inlet end of the additive extraction line 22 is connected to the interface structure 3. The liquid discharge end communicates with the additive extraction unit 21.

Preferably, the additive extraction unit 21 includes a negative pressure forming portion disposed in the water supply passage, and is a venturi disposed in the water inlet main passage 432. The liquid outlet end of the additive extraction line 22 communicates with the negative pressure forming portion, and the additive is extracted. Thereafter, the negative pressure forming portion enters the water inlet main path 432, and then flows into the detergent/washing powder chamber 51 of the distribution box from the water inlet branch 441, and finally flows out of the water outlet of the water tank 4 into the washing tub of the washing machine.

Preferably, the additive extraction line 22 is provided with a flow detecting unit 23 for detecting the amount of additive applied. More preferably, the flow detecting unit 23 is detachably mounted on the waterway integrating module 42.

Further, the second waterway module 44 is further integrated with a flushing waterway 442 for cleaning the automatic dispensing mechanism 2. One end of the flushing water passage 442 is in communication with the water supply passage 7 and the other end is in communication with the additive extraction line 22 through the control valve 451. The control valve 451 is a two-in-one-out reversing valve. The inlets of the reversing valves are respectively connected to the flushing water passage 442 and the interface structure 3, and the outlet is connected to the additive extracting line 22.

Embodiment 5

As shown in Figures 1 and 2, the present invention provides an additive container 1 for storing an additive, which is a sealed additive container 1. However, as the detergent flows out, the pressure inside the sealed additive container 1 becomes smaller and smaller, making the outflow of the additive more and more difficult, and a structure is required to balance the air pressure in the additive container 1. In order to prevent the outflow and spraying of the additive and the entry of foreign matter and water, the present invention employs a unidirectional gas permeable structure on the additive container 1. Specifically, the container 1 is provided with a liquid inlet, and a liquid inlet cover 8 is disposed at the liquid inlet, and the liquid inlet cover 8 is provided with a unidirectional gas permeable structure 9.

As shown in FIG. 10 and FIG. 11 , in the present embodiment, the unidirectional gas permeable structure 9 includes a gas permeable member 91 and a switching element 92. The gas permeable element 91 is provided with a venting hole 911, and the switching element 92 includes a switch portion 921. The air pressure change on the inner and outer sides of the additive container 1 opens or closes the switch portion 921, and the vent hole 911 is ventilated or closed in one direction.

Two venting holes 911 are disposed in the gas permeable member 91. The venting holes 911 extend through the upper and lower end faces of the gas permeable member 91, and the gas outlets are uniformly distributed circumferentially on the lower end surface.

The gas permeable member 91 is integrally formed of two coaxial and different diameter cylindrical structures, and the upper end surface has a diameter slightly larger than the lower end surface.

A connecting hole 912 connecting the switching element 92 and an annular groove 913 sealed by the auxiliary switching element 92 are also coaxially disposed on the gas permeable member 91.

The connecting hole 912 extends through the gas permeable member 91 and is coaxial with the gas permeable member 91. The connecting hole 912 includes two holes that are coaxial and different in diameter, and the joint of the two holes forms a snap-fit switch element. 92 card boss 9121. The venting holes 911 are uniformly circumferentially disposed around the axis of the connecting hole 912.

The annular groove 913 is disposed on a lower end surface of the gas permeable member 91, and an air outlet of the vent hole 911 is disposed on a lower end surface of the annular groove 913. The inner side wall of the annular groove 913 is obliquely disposed toward the vent hole 911, and extends to the outer edge of the vent hole 911. The outer side wall of the annular groove 913 is a vertical side, and the two side walls are smoothly intersected.

The switching element 92 is an integrally formed elastic material element, and includes a switch portion 921 and a connecting portion 922.

The switch portion 921 is an inverted umbrella structure covering the lower end surface of the gas permeable member 91 and having its end projecting into the annular groove 913.

The switch portion 921 is closed, the end thereof extends into the annular groove 913, and the vent hole 911 is sealed; the switch portion 921 is opened, the switch portion 921 is deformed, the end thereof is separated from the annular groove 913, and the vent hole 911 is unidirectionally ventilated.

The connecting portion 922 is provided with an annular boss 9221 and a transition portion 9222. The annular boss 9221 cooperates with the latching boss 9121 on the connecting hole 912 to engage the connecting portion 922 in the connecting hole 912. The transition portion 9222 It is disposed between the annular boss 9221 and the switch portion 921. The transition portion 9222 is internally provided with a hollow hole 9223 in which the auxiliary switch portion 921 is deformed.

Preferably, the annular boss 9221 has a semi-circular cross section; the hollow hole 9223 provided inside the transition portion 9222 extends and penetrates the switch portion 921 to further reduce the force required for the switch portion 921 to deform.

The container 1 described in this embodiment has two states: the additive is taken out from the liquid outlet 13, the air pressure in the container 1 is reduced, the air pressure in the additive container 1 is smaller than the outside air pressure, the switch portion 921 is deformed, and the end thereof is separated from the annular groove. 913, the venting port 911 intake; the second state is to stop the extraction, the liquid outlet 13 is sealed, the pressure in the additive container 1 is equal to the outside air pressure, the switch portion 921 is restored to its original shape, and the end thereof extends into the annular groove 913 to seal the additive container 1.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and any technology that is familiar with the present patent. Those skilled in the art can make some modifications or modifications to equivalent embodiments by using the technical content of the above-mentioned hints without departing from the technical scope of the present invention, but the present invention does not depart from the technical solutions of the present invention. Within the scope of the program.

Claims

A washing machine comprising a washing machine body and a container externally connected to the washing machine body to provide an additive, wherein the washing machine body is provided with an interface structure externally connected to the container, the interface structure is detachably connected with the container, and the interface structure is provided on the body. A protective device that blocks the entry of foreign objects in the state of the connected container.
The washing machine according to claim 1, wherein the interface structure is provided with a connection port that communicates with the inside of the container, and the connection port communicates with the outside when the container is not connected, and the protection device is provided at the connection port. filter device.
The washing machine according to claim 2, wherein said filtering device is detachably disposed in the connecting port.
The washing machine according to claim 2, wherein the container is provided with a container connecting portion that is matched with the interface structure, and the container connecting portion is inserted into the connecting port, and the filtering device is disposed in the connecting port.
The washing machine according to claim 4, wherein the container connecting portion is provided with a one-way valve, and the interface structure is provided with a connecting unit capable of opening the one-way valve to discharge the liquid in the container, and the filtering device is integrated with the connecting unit. Structure or split structure.
A washing machine according to claim 5, wherein said one-way valve comprises a liquid discharge passage, a valve plug for opening and closing the liquid outlet passage, and a spring for supporting the valve plug to close the liquid discharge passage, and the communication unit includes a top open valve Plug to open the ejector pin of the outlet channel,

Preferably, the ram is detachably mounted in the connection port,

More preferably, the ejector rod and the filtering device are of a unitary structure.
The washing machine according to claim 6, wherein the filtering device is a filter disc matched with the inside of the connecting port, and a connecting bracket supporting the filter disc is disposed in the connecting port, and the filter disc is movably supported on the boss. One end of the jack is integrally connected to the filter disc, and the other end extends in the axial direction to the outside.
The washing machine according to claim 1, wherein the container is provided with a liquid outlet, and the liquid outlet is provided with a container connecting portion which is matched with the interface structure, and the container connecting portion is detachably connected with the liquid outlet, preferably The container connecting portion is screwed to the liquid outlet.
The washing machine according to claim 8, wherein the container connecting portion comprises a connecting cap provided with an internal thread and a liquid outlet, and a plug-in unit matched with the interface structure, wherein the plug-in unit is provided at one end. The inside of the connecting cap is provided with an annular mounting groove connected to the liquid outlet, and the other end extends to the outside of the connecting cap, and a check valve is arranged in the plugging unit.
The washing machine according to claim 7, wherein a restriction structure is arranged between the filter disc and the connection port.