CN215976505U - Water inflow anti-siphon device and clothes treatment equipment - Google Patents

Abstract

The utility model relates to a water inlet anti-siphon device and clothes treatment equipment, wherein the water inlet anti-siphon device comprises a shell, a first interface, a second interface and a third interface, wherein the first interface, the second interface and the third interface are arranged on the shell; the first interface is used for being communicated with the water outlet end of a water inlet valve of the clothes treatment equipment; the second interface is used for being communicated with a barrel body of the clothes treatment equipment; the third interface is used for communicating with a detergent box of the clothes treatment equipment. The water inlet anti-siphon device provided by the utility model is communicated with a detergent box of the clothes treatment equipment through the third interface, and the air pressure in the cavity of the shell is atmospheric pressure according to the atmospheric pressure in the detergent box, so that a vacuum section or a negative pressure section between the water inlet valve and the barrel body is avoided or eliminated, the siphon phenomenon is avoided, and water is further prevented from being pumped out from the water inlet valve.

Description

Water inflow anti-siphon device and clothes treatment equipment

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a water inlet anti-siphon device and clothes treatment equipment.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The clothes treatment equipment is one of household appliances commonly used in daily life, generally comprises washing equipment, drying equipment and washing and drying integrated equipment, and in the prior art, after water is contained in a barrel body of the clothes treatment equipment, an internal and external pressure difference is formed between the water and the outside, so that a vacuum section or a negative pressure section is easily generated at a water inlet pipe, namely, a siphon phenomenon exists at the water inlet pipe.

Since the new european regulation indicates that when the water filled in the tub is pumped from the water inlet valve, the water should not be pumped and the one-way valve may not be added at the water inlet pipe, and the existing laundry treatment apparatus may have a siphon phenomenon due to the difference between the internal pressure and the external pressure, the water in the tub is easily pumped from the water inlet valve, so that the new regulation cannot be satisfied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve the problem that water in a barrel body of the existing clothes treatment equipment is easy to be pumped out from a water inlet valve. The purpose is realized by the following technical scheme:

the present invention in a first aspect proposes a water inlet anti-siphon device for a laundry treatment apparatus, comprising:

a housing having a cavity therein;

a first port disposed on the housing and in communication with the cavity, the first port for communicating with an outlet end of a water inlet valve of the laundry treating appliance;

a second port disposed on the housing and in communication with the cavity, the second port for communicating with a tub of the laundry treating apparatus;

a third interface disposed on the housing and in communication with the cavity, the third interface for communicating with a detergent box of the laundry treatment apparatus.

According to the water inlet anti-siphon device provided by the embodiment of the utility model, the water inlet anti-siphon device is arranged in the clothes treatment equipment, is communicated with a water inlet valve of the clothes treatment equipment through a first interface and is communicated with a barrel body of the clothes treatment equipment through a second interface, so that water flows into the barrel body from the water inlet valve after passing through a shell, on the basis, a third interface is communicated with a detergent box of the clothes treatment equipment, so that the shell is communicated with the external atmosphere, namely the air pressure in a cavity of the shell is the atmospheric pressure, therefore, a vacuum section or a negative pressure section between the water inlet valve and the barrel body can be avoided or eliminated, a siphon phenomenon is avoided, a pressure difference between the water contained in the barrel body and the outside is avoided, the washing water is prevented from being sucked into a public water path to cause pollution due to the generation of negative pressure between the clothes treatment equipment and the public water path, namely, the water is prevented from being pumped out from the water inlet valve, the problem that water in the barrel body of the existing clothes treatment equipment is easy to be pumped out from the water inlet valve is solved.

In addition, the water inlet anti-siphon device according to the embodiment of the utility model can also have the following technical characteristics:

in some embodiments of the present invention, when the water inflow anti-siphon device is installed in the cabinet of the laundry treating apparatus, the third interface is higher than the first interface and the second interface in a vertical direction.

In some embodiments of the utility model, the first interface is vertically higher than the second interface.

In some embodiments of the present invention, the second port is disposed near a bottom of the housing, and an inner bottom surface of the housing is provided with a slope inclined in a direction from the first port to the second port.

In some embodiments of the present invention, the housing includes a bottom shell and a top cover, the top of the bottom shell has an opening, the opening is circumferentially provided with a first enclosing plate, the side of the top cover facing the opening is provided with a second enclosing plate, the top cover is connected to the opening, and the first enclosing plate is matched with the second enclosing plate.

The present invention in a second aspect proposes a laundry treating apparatus comprising:

a box body;

a tub mounted in the case;

a water inlet valve mounted on the tank;

the detergent box is slidably arranged in the box body and communicated with the outside atmosphere;

according to the water inlet anti-siphon device in any embodiment, the first interface of the water inlet anti-siphon device is communicated with the water outlet end of the water inlet valve, the second interface of the water inlet anti-siphon device is communicated with the barrel body, and the third interface of the water inlet anti-siphon device is communicated with the detergent box.

The laundry treating apparatus according to an embodiment of the present invention, which includes the above-described water inlet anti-siphon device, has the same advantages as the water inlet anti-siphon device, the third interface of the water inlet anti-siphon device is communicated with the detergent box by the condition that the detergent box is communicated with the outside atmosphere, according to the communication between the detergent box and the outside atmosphere, the shell is communicated with the outside atmosphere, so that the inside of the shell keeps atmospheric pressure, thereby avoiding or eliminating a vacuum section or a negative pressure section between the water inlet valve and the barrel body, avoiding siphonage, thereby avoiding the pressure difference between the water contained in the barrel body and the outside, avoiding the pollution caused by the washing water sucked into the public waterway due to the negative pressure generated between the clothes treatment equipment and the public waterway, the water is prevented from being drawn out from the water inlet valve, and the problem that the water in the barrel body of the existing clothes treatment equipment is easy to be drawn out from the water inlet valve is solved.

In addition, the laundry treating apparatus according to the embodiment of the present invention may further have the following technical features:

in some embodiments of the present invention, the water inlet anti-siphon device is connected to a back plate and/or a top plate of the tank.

In some embodiments of the present invention, a positioning rod extending toward a back plate of the tank is disposed on a housing of the water inlet anti-siphon device, and the tank is provided with a first through hole matching with the positioning rod.

In some embodiments of the present invention, a threaded hole is formed in the housing of the water inlet anti-siphon device, a second through hole matching with the threaded hole is formed in the tank body, and the water inlet anti-siphon device is connected to the tank body through a fastener penetrating through the second through hole and the threaded hole.

In some embodiments of the present invention, the laundry treating apparatus further comprises a condenser including a condensation duct communicating with the tub, and the second interface communicates with the condensation duct.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like parts are designated by like reference numerals throughout the drawings.

In the drawings:

FIG. 1 is a schematic structural diagram of a water inlet anti-siphon device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the water inlet anti-siphon device shown in FIG. 1;

FIG. 3 is a front view of the water inlet anti-siphon device shown in FIG. 1;

FIG. 4 is a top view of the inlet anti-siphon device shown in FIG. 1;

FIG. 5 is a schematic structural view of the rear side of the water inlet anti-siphon device shown in FIG. 1;

FIG. 6 is a partial structural view of a laundry treating apparatus according to an embodiment of the present invention;

fig. 7 is a plan view of the laundry treating apparatus shown in fig. 6.

The reference symbols in the drawings denote the following:

1000. a laundry treating apparatus;

100. a water inlet anti-siphon device;

10. a housing;

11. a first interface; 12. a second interface; 13. a third interface;

101. a bottom case; 102. a top cover; 103. a threaded hole; 104. positioning a rod; 105. a boss;

200. a box body; 201. a back plate;

300. a water inlet valve;

400. a barrel body;

500. a detergent box;

600. a condenser.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 7, an embodiment of a first aspect of the present invention provides a water inlet anti-siphon device 100 for a clothes treatment apparatus 1000, the water inlet anti-siphon device 100 including a housing 10 and a first port 11, a second port 12 and a third port 13 disposed on the housing 10, the housing 10 having a cavity therein, the first port 11, the second port 12 and the third port 13 respectively communicating with the cavity; the first port 11 is used for communicating with the water outlet end of the water inlet valve 300 of the clothes treatment apparatus 1000; the second interface 12 is for communicating with the tub 400 of the laundry treating apparatus 1000; the third interface 13 is for communicating with the detergent box 500 of the laundry treating apparatus 1000.

The water inlet anti-siphon device 100 provided by the embodiment of the utility model is used for being installed in the clothes treatment apparatus 1000, and is communicated with the water inlet valve 300 of the clothes treatment apparatus 1000 through the first interface 11, and is communicated with the barrel 400 of the clothes treatment apparatus 1000 through the second interface 12, so that water flows into the barrel 400 from the water inlet valve 300 through the shell 10, on this basis, the third interface 13 is communicated with the detergent box 500 of the clothes treatment apparatus 1000, because the detergent box 500 is not a complete sealing structure, i.e. the air pressure at the detergent box 500 is the atmospheric pressure, so that the shell 10 is communicated with the external atmosphere, i.e. the air pressure in the cavity of the shell 10 is the atmospheric pressure, thereby a vacuum section or a negative pressure section between the water inlet valve 300 and the barrel 400 can be avoided or eliminated, a siphon phenomenon is avoided, a pressure difference between the water in the barrel 400 and the outside is avoided, and a negative pressure generated between the clothes treatment apparatus 1000 and a public waterway is avoided, so that washing water is sucked into the public waterway to cause pollution, that is, the water is prevented from being drawn out from the inlet valve 300, and the problem that the water in the tub 400 of the conventional laundry treating apparatus 1000 is easily drawn out from the inlet valve 300 is solved.

In this embodiment, the water inlet anti-siphon device 100 includes a housing 10, and a cavity is formed inside the housing 10, the housing 10 may be configured as an integrally formed structure, or may be configured as a structure formed by assembling a plurality of components, for example, as shown in fig. 1 to 5, in some embodiments of the present invention, the housing 10 includes a bottom shell 101 and a top cover 102, the bottom shell 101 is connected to the top cover 102, please refer to fig. 2, the bottom shell 101 is configured as an approximately rectangular parallelepiped, an opening is formed at the top of the bottom shell 101, and the top cover 102 is connected to the opening of the bottom shell 101 and closes the opening, so that the top cover 102 is fastened to the bottom shell 101 to form the internal cavity.

Specifically, the top cover 102 and the bottom case 101 may be connected by welding or by fasteners such as bolts or screws, please continue to refer to fig. 2 and 4, the top of the bottom case 101 is respectively provided with extending portions extending outward at two sides of the opening, the two extending portions are respectively provided with a threaded hole, the top cover 102 is correspondingly provided with a through hole or a threaded hole and is located at a position corresponding to the extending portion on the bottom case 101, and thus, after the top cover 102 is fastened on the bottom case 101, the top cover can be connected with the bottom case 101 by bolts or screws.

Furthermore, a first enclosing plate is arranged at the opening of the bottom shell 101, the first enclosing plate is arranged along the circumferential direction of the opening, a second enclosing plate is arranged on one side, facing the bottom shell 101, of the top cover 102, and when the top cover 102 is buckled on the bottom shell 101, the first enclosing plate can be inserted into the inner side of the second enclosing plate and is tightly attached to the second enclosing plate; or, the second enclosing plate may be inserted inside the first enclosing plate and tightly attached to the first enclosing plate, and in this embodiment, the first enclosing plate and the second enclosing plate may be in transition fit or interference fit with each other, so as to further improve the reliability of connection between the top cover 102 and the bottom case 101 and the sealing performance of the housing 10.

In this embodiment, the water inlet anti-siphon device 100 includes a first connector 11, the first connector 11 may be integrally formed on the housing 10, the water inlet anti-siphon device 100 further includes a second connector 12 and a third connector 13, similarly, the second connector 12 may be integrally formed on the housing 10, the third connector 13 may also be integrally formed on the housing 10, and the first port 11, the second port 12 and the third port 13 are communicated with the cavity of the shell 10, on the basis of the above embodiment, the housing 10 includes the bottom case 11, the first interface 11, the second interface 12 and the third interface 13 are integrally formed on the bottom case 101, and the positions of the first interface 11, the second interface 12 and the third interface 13 on the bottom case 101 may be set according to the relative positional relationship with other components when the water inlet siphon-proof device 100 is applied to the clothes treatment apparatus 1000.

On this basis, when the water inlet anti-siphon device 100 is applied to the clothes treatment apparatus 1000, the first connector 11 is used as a water inlet of the water inlet anti-siphon device 100, and the first connector 11 is communicated with the water inlet valve 300 of the clothes treatment apparatus 1000, that is, connected to a water outlet end of the water inlet valve 300; the second connector 12 is used as a water outlet of the water inlet anti-siphon device 100, and the second connector 12 is communicated with the barrel body 400; the third port 13 is a vent of the water inlet anti-siphon device 100, and the third port 13 communicates with the detergent box 500, but it is understood that the detergent box 500 is not a fully closed structure and communicates with the external atmosphere, so that the inside of the housing 10 can be maintained at the atmospheric pressure by communicating with the third port 13.

Specifically, as shown in fig. 1, the first port 11 may be configured to be cylindrical, specifically, may be configured to be cylindrical, and similarly, the second port 12 and the third port 13 may also be configured to be cylindrical, specifically, may be configured to be cylindrical, the first port 11, the second port 12 and the third port 13 respectively extend out from the side wall of the housing 10, when the anti-siphon device 100 is applied to the clothing processing apparatus 1000, the first port 11 may be connected to the water inlet valve 300 through a rubber tube or a plastic tube, and water flowing from the water inlet valve 300 flows into the first port 11 through the rubber tube or the plastic tube; likewise, the second port 12 may be connected to the tub 400 through a rubber tube or a plastic tube, and the third port 13 may be connected to the detergent box 500 through a rubber tube or a plastic tube, which is easily deformed to facilitate an adaptive arrangement within the cabinet 200 of the laundry treating apparatus 1000, thereby facilitating connection of the above-described respective ports with various components within the cabinet 200.

For the convenience of understanding, the following embodiments are continued with reference to the clothes treating apparatus 1000 according to the second aspect of the present invention, and please refer to fig. 6 and 7, in some embodiments of the present invention, when the water inlet anti-siphon device 100 is applied to the clothes treating apparatus 1000, the water inlet anti-siphon device 100 is connected to the cabinet 200, in a vertical direction, a position state of the water inlet anti-siphon device 100 is as shown in fig. 1, a third port 13 of the water inlet anti-siphon device 100 is higher than the first port 11 and is also higher than the second port 12, that is, the water inlet anti-siphon device 100 is installed in the cabinet 200 in the position state shown in fig. 1, such that the third port 13 is located above the first port 11 and the second port 12, and such an arrangement is convenient for air to flow through the third port 13, so that the cavity pressure of the cabinet 10 is atmospheric pressure.

Specifically, the third port 13 is located near the top cover 102 of the housing 10, that is, near the opening of the bottom case 101, and on this basis, the third port 13 may be located on any side of the housing 10, taking the case that the housing 10 is configured in a rectangular parallelepiped shape as an example, the housing 10 includes four sides, and preferably, the third port 13 is located on the front side of the housing 10 as shown in fig. 1, it should be noted that when the water inlet siphon-proof apparatus 100 is installed in the box 200, the back side of the housing 10 faces the back panel 201 of the box 200, and then the front side of the housing 10 in this embodiment refers to the side far from the back panel 201. Such an arrangement facilitates the third port 13 to communicate with the detergent box 500, facilitating the arrangement of the duct in the laundry treating apparatus 1000.

Further, referring to fig. 1 and fig. 3, in some embodiments of the present invention, the first port 11 is higher than the second port 12 in the vertical direction, according to the above embodiment, the first port 11 is a water inlet, and the second port 12 is a water outlet, in this embodiment, the first port 11 is higher than the second port 12, so that water flows from the first port 11 to the second port 12 in the housing 10, which facilitates the water flow in the housing 10, and improves the water inlet efficiency.

Further, the relative position relationship between the first interface 11 and the second interface 12 may be set in various ways, for example, they may be set on the same side of the housing 10, or on two opposite sides of the housing 10, or on two adjacent sides of the housing 10. In an alternative embodiment, as shown in fig. 1, the first port 11 and the second port 12 are respectively disposed at two adjacent sides of the housing 10, such an arrangement can be adapted to the arrangement orientations of the water inlet valve 300 and the barrel 400 in the laundry treatment apparatus 1000, so that the first port 11 is communicated with the water inlet valve 300 through a pipeline, the second port 12 is communicated with the barrel 400 through a pipeline, and it is also ensured that the water entering the interior of the housing 10 from the first port 11 can flow in a straight direction as much as possible, thereby avoiding turning to affect the water flow speed, and further improving the water inlet efficiency.

With reference to fig. 1 and 3, in some embodiments of the present invention, the second port 12 is located near the bottom of the housing 10, so as to facilitate the water flow flowing out from the second port 12, and on this basis, the inner bottom surface of the housing 10 is entirely set as an inclined surface, or the inner bottom surface is partially set as an inclined surface, and the inclined surface gradually inclines downwards along the direction from the first port 11 to the second port 12, it can be understood that, since the first port 11 is higher than the second port 12 in the vertical direction, the inner bottom surface of the housing 10 is correspondingly set as an inclined surface, and the inclined surface can be set as a flat inclined surface or an arc inclined surface, so as to further facilitate the water flow from the first port 11 to the second port 12, and further improve the water inlet efficiency.

As shown in fig. 6 and 7, an embodiment of the second aspect of the present invention provides a clothes treating apparatus 1000, the clothes treating apparatus 1000 comprising a cabinet 200, a tub 400 mounted in the cabinet 200, a water inlet valve 300, a detergent box 500, and the water inlet anti-siphon device 100 of the embodiment of the first aspect, wherein a first port 11 of the water inlet anti-siphon device 100 is communicated with a water outlet end of the water inlet valve 300, a second port 12 of the water inlet anti-siphon device 100 is communicated with the tub 400, a third port 13 of the water inlet anti-siphon device 100 is communicated with the detergent box 500, and the detergent box 500 is communicated with the outside atmosphere.

The clothes treating apparatus 1000 according to the embodiment of the present invention has the same advantages as the water inlet anti-siphon device 100, and it can be understood that the clothes treating apparatus 1000 prevents the siphon phenomenon from occurring at the water inlet valve 300 by installing the water inlet anti-siphon device 100, and the third port 13 of the water inlet anti-siphon device 100 is communicated with the detergent box 500 by using the condition that the detergent box 500 is communicated with the external atmosphere, so that the housing 10 is communicated with the external atmosphere, and the internal cavity of the housing 10 maintains the atmospheric pressure, thereby avoiding or eliminating the vacuum section or the negative pressure section between the water inlet valve 300 and the tub 400, avoiding the siphon phenomenon, avoiding the pressure difference between the water contained in the tub 400 and the external atmosphere, avoiding the pollution caused by the washing water sucked into the public waterway due to the negative pressure generated between the clothes treating apparatus 1000 and the public waterway, i.e. preventing the water from being pumped out from the water inlet valve 300, and solving the problems in the conventional clothes treating apparatus 1000, a problem in that water inside the tub 400 is easily drawn out from the inlet valve 300.

In this embodiment, the laundry treating apparatus 1000 may be a washing machine, for example, a washing machine with a drying function, and in some embodiments of the present invention, the laundry treating apparatus 1000 further includes a condenser 600 for assisting the drying function, as shown in fig. 7, the condenser 600 is installed in the box 200, and the condenser 600 includes a condensation pipe, the condensation pipe is communicated with the tub 400, and on this basis, the second port 12 of the water inlet anti-siphon device 100 is communicated with the condensation pipe, so that water flows in from the water inlet valve 300, enters the housing 10 through the first port 11, flows in the condensation pipe through the second port 12, and finally flows in the tub 400 from the condensation pipe.

On the basis of the above embodiment, similarly, the third port 13 is connected to the detergent box 500, so as to eliminate or avoid a vacuum section or a negative pressure section formed between the water inlet valve 300 and the condensation pipe, thereby avoiding a siphon phenomenon, preventing water in the condensation pipe from being drawn out from the water inlet valve 300, and thus meeting new european regulations and ensuring normal production and sale of products such as the clothes treating apparatus 1000.

In some embodiments of the present invention, the water inlet anti-siphon device 100 may be connected to the back plate 201 of the tank 200, may be connected to the top of the tank 200, and may be connected to both the back plate 201 and the top plate, please refer to fig. 5 and 6, preferably, the water inlet anti-siphon device 100 is connected to the back plate 201 of the tank 200, so as to facilitate installation.

Further, in order to facilitate the connection between the inlet anti-siphon device 100 and the tank 200, one or more positioning structures, such as positioning rods and positioning plates, may be provided on the inlet anti-siphon device 100. Specifically, referring to fig. 4 and 5, in some embodiments of the present invention, a positioning rod 104 extending toward a back plate 201 of a tank 200 is disposed on a housing 10 of the water inlet anti-siphon device 100, the positioning rod 104 is used for positioning when the water inlet anti-siphon device 100 is installed in the tank 200, and accordingly, a first through hole is disposed on the tank 200, and the first through hole is used for being matched with the positioning rod 104, so as to facilitate installation of the water inlet anti-siphon device 100.

In addition, the top of the water inlet anti-siphon device 100 may be provided with a supporting plate for positioning, for example, the water inlet anti-siphon device 100 is connected to the back plate 201 of the box body 200, when the water inlet anti-siphon device 100 is connected to the back plate 201, the supporting plate may be lapped on the top surface of the back plate 201, thereby positioning the water inlet anti-siphon device 100, facilitating the subsequent connection of the water inlet anti-siphon device 100 and the back plate 201, and facilitating the installation of the water inlet anti-siphon device 100 on the box body 200.

Further, in some embodiments of the present invention, the housing 10 of the water inlet anti-siphon device 100 is provided with a threaded hole 103, the box body 200 is provided with a second through hole, and the second through hole is matched with the threaded hole 103, for example, when the water inlet anti-siphon device 100 is connected with the back plate 201 of the box body 200, the second through hole is aligned with the threaded hole 103, so that the water inlet anti-siphon device 100 and the box body 200 can be connected by a fastening member passing through the second through hole and the threaded hole 103, and the fastening member may be a bolt or a screw.

In addition to the above embodiments, the screw hole 103 and the positioning rod 104 may be simultaneously disposed on the housing 10, so as to facilitate the installation of the intake anti-siphon device 100 on the tank 200, specifically, as shown in fig. 5, the screw hole 103 and the positioning rod 104 are both disposed on the back surface of the housing 10, and it should be noted that in this embodiment, the intake anti-siphon device 100 is installed in the tank 200, and the surface of the housing 10 facing the back plate 201 of the tank 200 is the back surface of the housing 10. On this basis, the first through hole and the second through hole on the box body 200 are provided on the back plate 201 of the box body 200, thereby ensuring the positioning and installation of the inflow siphon-proof device 100.

Further, the back of the housing 10 is provided with a boss 105, the area of the boss 105 is smaller than the area of the back of the housing 10, on this basis, the threaded hole 103 and the positioning rod 104 are arranged on the boss 105, the threaded hole 103, the positioning rod 104 can be integrally formed on the housing 10, wherein the threaded hole 103 can be located right above the positioning rod 104, and also can be located right below the positioning rod 104, when the water inflow anti-siphon device 100 is installed in the box body 200, the positioning rod 104 extends into the first through hole of the box body 200, thereby positioning is provided, and the threaded hole 103 is connected with the second through hole on the box body 200 after aligning. In addition, the boss 105 may be provided with a plurality of grooves arranged in an array, and the plurality of grooves facilitate the demolding of the housing 10 during the manufacturing process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An inflow water anti-siphon device for a laundry treatment apparatus, comprising:

a housing having a cavity therein;

a first port disposed on the housing and in communication with the cavity, the first port for communicating with an outlet end of a water inlet valve of the laundry treating appliance;

a second port disposed on the housing and in communication with the cavity, the second port for communicating with a tub of the laundry treating apparatus;

a third interface disposed on the housing and in communication with the cavity, the third interface for communicating with a detergent box of the laundry treatment apparatus.

2. The water inlet anti-siphon device according to claim 1, wherein the third port is higher than the first port and the second port in a vertical direction when the water inlet anti-siphon device is installed in a cabinet of the laundry treatment apparatus.

3. The water inlet anti-siphon device according to claim 2, wherein the first port is higher than the second port in a vertical direction.

4. The device of claim 3, wherein the second port is disposed near a bottom of the housing, and an inner bottom surface of the housing is provided with a slope inclined in a direction from the first port to the second port.

5. The water inlet anti-siphon device according to any one of claims 1 to 4, characterized in that the housing comprises a bottom shell and a top cover, the top of the bottom shell is provided with an opening, a first enclosing plate is arranged at the opening along the circumferential direction, a second enclosing plate is arranged at one side of the top cover facing the opening, the top cover is connected at the opening, and the first enclosing plate is matched with the second enclosing plate.

6. A laundry treating apparatus, comprising:

a box body;

a tub mounted in the case;

a water inlet valve mounted on the tank;

the detergent box is slidably arranged in the box body and communicated with the outside atmosphere;

the inlet anti-siphon device according to any of claims 1 to 5, wherein the first port of the inlet anti-siphon device is communicated with the outlet end of the inlet valve, the second port of the inlet anti-siphon device is communicated with the barrel body, and the third port of the inlet anti-siphon device is communicated with the detergent box.

7. The laundry treating apparatus according to claim 6, wherein the water inflow anti-siphon device is connected with a back plate and/or a top plate of the cabinet.

8. The apparatus of claim 7, wherein a positioning rod is disposed on the housing of the water inlet anti-siphon device, and the cabinet is provided with a first through hole engaged with the positioning rod.

9. The apparatus of claim 7, wherein a screw hole is formed in the housing of the water inflow siphon-proof device, a second through hole matched with the screw hole is formed in the case, and the water inflow siphon-proof device is connected to the case by a fastening member passing through the second through hole and the screw hole.

10. The laundry treating apparatus according to claim 6, further comprising a condenser including a condensation duct communicating with the tub, the second interface communicating with the condensation duct.

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