CN116763224A - Water inlet device of dish washing machine and dish washing machine - Google Patents

Abstract

The invention discloses a water inlet device of a dish washing machine and the dish washing machine, wherein the water inlet device comprises: the washing machine comprises a shell, a first water inlet, a second water outlet, a first water outlet, a second water outlet, a first water inlet and a second water outlet, wherein the shell is provided with a first channel and a second channel, the inlet end of the first channel is used for being communicated with a water source, the outlet end of the first channel is used for being communicated with a washing cavity of the dish washing machine, the inlet end of the second channel is used for being communicated with the water source, and the outlet end of the second channel is used for being communicated with the washing cavity of the dish washing machine; and the filtering part is arranged in the second channel. According to the water inlet device of the dish washer, the first channel and the second channel are formed through the shell, and the filter part is arranged in the second channel, so that the cleanness and sanitation of tableware are guaranteed, the use frequency of the filter part is greatly reduced, and the use cost of a user is reduced.

Description

Water inlet device of dish washing machine and dish washing machine

Technical Field

The invention relates to the technical field of dish washers, in particular to a water inlet device of a dish washer and the dish washer.

Background

The dishwasher uses the pipeline to supply water to wash the tableware, and most of the dishwashers have the drying function after washing, before drying, whether the residual water on the tableware is clean and sanitary is a big problem worried about by users, so the water quality of the dishwasher has great influence on the cleanliness of the tableware, and is an important factor affecting the user experience.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present invention is to propose a water inlet device of a dishwasher, which guarantees the hygiene of the dishes and can reduce the use costs.

Another object of the present invention is to propose a dishwasher having a water inlet device as described above.

According to an embodiment of the present invention, a water inlet device of a dish washer includes: the washing machine comprises a shell, a first water inlet, a second water outlet, a first water outlet, a second water outlet, a first water inlet and a second water outlet, wherein the shell is provided with a first channel and a second channel, the inlet end of the first channel is used for being communicated with a water source, the outlet end of the first channel is used for being communicated with a washing cavity of the dish washing machine, the inlet end of the second channel is used for being communicated with the water source, and the outlet end of the second channel is used for being communicated with the washing cavity of the dish washing machine; and the filtering part is arranged in the second channel.

According to the water inlet device of the dish washer, the first channel and the second channel are formed through the shell, and the filter part is arranged in the second channel, so that the cleanness and sanitation of tableware are guaranteed, the use frequency of the filter part is greatly reduced, and the use cost of a user is reduced.

In addition, the water inlet device of the dish washer according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the invention, the housing defines a water inlet channel adapted to be connected to a water source, the inlet end of the first channel and the inlet end of the second channel being connected to the water inlet channel, respectively.

According to some embodiments of the invention, the first channel and the second channel are located on the same side of the water inlet channel; and/or, the water inlet channel forms a water inlet cavity.

According to some embodiments of the invention, the water inlet device comprises: the first valve body is used for controlling the on-off of the first channel; and the second valve body is used for controlling the on-off of the second channel.

According to some embodiments of the invention, a first water passing port used for communicating with the first channel and a second water passing port used for communicating with the second channel are arranged in the water inlet channel of the shell, the first valve body and the second valve body are installed on the shell, the first valve body is used for opening and closing the first water passing port, and the second valve body is used for opening and closing the second water passing port.

According to some embodiments of the invention, the second channel comprises a first flow section, a mounting chamber and a second flow section, the inlet of the mounting chamber is communicated with the first flow section, the outlet of the mounting chamber is communicated with the second flow section, the filtering part is mounted in the mounting chamber, the first flow section is used for being communicated with a water source, and the second flow section is used for being communicated with a washing chamber of the dishwasher; the first flow section and the second flow section are arranged in a transverse direction, and/or the mounting cavity is positioned on the upper sides of the first flow section and the second flow section.

According to some embodiments of the invention, the first channel is arranged laterally to the mounting cavity.

According to some embodiments of the invention, the housing comprises a housing body, a first cover located on one vertical side of the housing body, and a second cover located on the other vertical side of the housing body.

According to some embodiments of the invention, the housing is provided with a first water outlet connector and a second water outlet connector for connection to the washing chamber, the first water outlet connector being in communication with the first channel and the second water outlet connector being in communication with the second channel.

According to some embodiments of the invention, the first water outlet connector and the second water outlet connector are arranged on the same side of the shell, the shell is provided with a water inlet connector for connecting with a water source, and the first water outlet connector and the water inlet connector are respectively arranged on two sides of the shell opposite to each other.

According to some embodiments of the invention, the housing is provided with a water inlet connection for connection to a water source, the first and second channels being connected to the same water inlet connection.

According to some embodiments of the invention, the water inlet device comprises: the three-way pipe is provided with two water inlet ends and one water outlet end, the two water inlet ends are respectively connected with the outlet end of the first channel and the outlet end of the second channel, and the water outlet end is used for being communicated with a washing cavity of the dish washer.

The dishwasher according to the embodiment of the invention comprises the water inlet device of the dishwasher according to the embodiment of the invention.

According to some embodiments of the invention, the water inlet device is connected to a liner of the dishwasher, the liner being provided with the washing chamber; and/or the water inlet device is positioned in the base of the dish washer.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a water inlet device according to an embodiment of the present invention;

FIG. 2 is a rear view of a water inlet device according to an embodiment of the present invention;

FIG. 3 is a left side view of a water inlet device according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a top view of a water intake device according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of FIG. 6 taken along line C-C;

fig. 8 is a cross-sectional view of fig. 6 taken along line D-D.

Reference numerals:

a water inlet device 100;

a housing 11; a first cover 111; a second cover 112; a case body 113; a first water conduit 114; a second water pipe 115; a first water outlet joint 121; a second water outlet joint 122; a water inlet joint 13;

a first channel 20; a water inlet channel 70;

a second channel 30; a first flow section 31; a second flow section 32; a mounting cavity 33;

a filter unit 40;

a first valve body 51; a second valve body 52;

sealing ring 60.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the invention, "a first feature" may include one or more such features, and "a plurality" may mean two or more, and that a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween, with the first feature "above", "over" and "above" the second feature including both the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

A water inlet device 100 of a dish washer according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 1 to 8, a water inlet device 100 of a dishwasher according to an embodiment of the present invention may include: a housing 11 and a filter portion 40.

The dishwasher generally uses the pipeline to supply water to clean the tableware, and most of the dishwashers have the function of drying after washing, and before drying, whether the residual water on the tableware is clean and sanitary is a big problem worried about by users, so the water quality of the dishwasher has great influence on the cleanliness of the tableware and is an important factor affecting the user experience.

Filters are more commonly found in potable water purification units, and in the related art, there is no precedent for mounting a filter in a dishwasher.

In the embodiment of the present invention, however, the housing 11 of the dishwasher is provided with a second channel 30, as shown in fig. 1 and 5-8. The inlet end of the second channel 30 is communicated with a water source, and the outlet end of the second channel 30 is communicated with a washing cavity of the dishwasher, and the filtering portion 40 is arranged in the second channel 30. When the second channel 30 is on, water at the water source flows into the second channel 30 and through the filter section 40, and the filter section 40 can be used to separate liquids and impurities to remove coarser particulate impurities, sludge, rust, suspended materials, and the like from the water. For example, the filtering portion 40 may be a PP cotton filter element, which has low cost and can reduce the use cost of the user.

In addition, the filter used by the water purifying equipment is provided with a unidirectional flow passage, and water flow can only flow out after being filtered by the filter. In the working process of the dish washing machine, the washing program of the dish washing machine needs multiple rounds (3-4 rounds are usually needed), if the existing filter is installed on the dish washing machine, the water in each round must flow through the filter, the use frequency of the filter is greatly improved, the use cost of a user is increased, the inconvenience of frequent replacement of the filter is avoided, and the problem that the residual water quality is poor due to the fact that the user forgets to replace the filter on time easily occurs.

In this regard, in the embodiment of the present invention, as shown in fig. 1 and 7, the housing 11 is further provided with a first passage 20. The inlet end of the first channel 20 is communicated with a water source, and the outlet end of the first channel 20 is communicated with a washing cavity of the dish washer, so that when the first channel 20 is conducted, water at the water source can be directly conveyed into the washing cavity. In other words, the water flow at the water source can flow into the washing chamber through the first passage 20 without flowing through the filtering portion 40.

In the operation of the dish washing machine, the front several wheels can be supplied with water through the first passage 20, the supplied water is directly used for cleaning dirt on the tableware without passing through the filtering part 40, and the last wheel is supplied with water through the second passage 30, and the supplied water is filtered by the filtering part 40 for cleaning the last wheel before the tableware is dried, so that only the filtered supplied water of the last wheel is actually remained on the surface of the tableware, and the cleanness and sanitation of the tableware after being dried are ensured. In addition, in the process of running the washing program each time, only one round of water inflow in the multi-round water inflow flows through the filtering part 40, and only the filtering part 40 is used once, compared with the filter with one flow channel, the unnecessary use of the filtering part 40 is greatly reduced, the use frequency of the filtering part 40 is reduced, and if the use rate of the filtering part 40 can be reduced by 3-4 times, the replacement frequency of the filtering part 40 is reduced, the use cost of a user is reduced, and the use experience of the user is improved.

The first and second passages 20 and 30 are defined by the same housing 11, in other words, a plurality of passages are defined in the same housing 11, including the first and second passages 20 and 30, and the filtering portion 40 is installed in the housing 11. Compared with the scheme of independent water pipes, the technical scheme that multiple channels are integrated in the same shell 11 enables the structure of the water inlet device 100 to be more complete and compact, can provide more attractive and high-end visual experience for users, and improves product competitiveness. And, the shell 11 defines the multichannel, is favorable to improving the leakproofness of passageway to and be convenient for the installation of cooperation parts such as solenoid valve, be favorable to improving the structural stability and the sealing stability of each part, passageway in the use.

According to the water inlet device 100 of the dish washer of the embodiment of the invention, the first channel 20 and the second channel 30 are arranged through the shell 11, and only the second channel 30 is provided with the filtering part 40, so that the cleanness and sanitation of tableware are ensured, the use frequency of the filtering part 40 is greatly reduced, and the use cost of a user is reduced.

In some embodiments of the present invention, as shown in fig. 3-8, the housing 11 further defines a water inlet channel 70, the water inlet channel 70 being adapted to be connected to a water source, and the inlet end of the first channel 20 being connected to the water inlet channel 70, and the inlet end of the second channel 30 being connected to the water inlet channel 70. Therefore, the water flow of the water source flows into the water inlet channel 70 and then flows into the second channel 30 or the first channel 20, and is connected with the water source through the water inlet channel 70, so that only one water inlet pipeline is needed to be arranged between the water inlet device 100 and the water source, the pipeline connection structure of the dish washer is simplified, and the problem of pipeline misconnection or interference in the installation process of the water inlet device 100 is avoided.

In some embodiments, as shown in fig. 4 and 7, the first channel 20 and the second channel 30 are located on the same side of the water inlet channel 70. The channel paths in the shell 11 are distributed more orderly, so that the shell 11 is convenient to process and shape, and the tightness of each channel is ensured.

In some embodiments, the water inlet channel 70 forms a water inlet cavity, which is beneficial to improving stability of water inlet, and facilitates the arrangement of a communication structure between the water inlet channel 70 and the first channel 20 and the second channel 30, respectively.

In some embodiments of the present invention, the water inlet device 100 may include a first valve body 51 and a second valve body 52. Wherein, the first valve body 51 is matched with the first channel 20, and the on and off of the first channel 20 can be controlled by the first valve body 51; the second valve body 52 is engaged with the second passage 30, and the second passage 30 is controlled to be turned on and off by the second valve body 52. The first channel 20 and the second channel 30 are respectively controlled to be on-off through different valves, so that the on-off switching of the two channels is realized, the water quality switching of the water flow flowing into the dish washing cavity is realized, the use state switching of the filtering part 40 is realized, and the state switching control is more convenient, accurate and sensitive.

Alternatively, the first valve body 51 and the second valve body 52 may be direct-acting solenoid valves, and after power-up, the valves are opened and reset by spring force after power-off.

In some embodiments, referring to fig. 4, 5 and 7, a first water passing port 114 and a second water passing port 115 are provided in the water inlet channel 70 of the housing 11, wherein the first water passing port 114 is used to communicate with the first channel 20 and the second water passing port 115 is used to communicate with the second channel 30. The first valve body 51 and the second valve body 52 may be mounted on the housing 11, for example, may be mounted on a side wall of the water inlet channel 70, so that a part (such as an electrical component) of each valve body may be exposed outside the housing 11, so as to improve safety, and another part may extend into the water inlet channel 70 to be respectively used for matching with the first water passing port 114 and the second water passing port 115, so as to open and close the two water passing ports, thereby implementing on-state switching of the first channel 20 and the second channel 30.

In addition, the side walls of the first valve body 51 and the water inlet channel 70 can be sealed by the sealing ring 60, and the side walls of the second valve body 52 and the water inlet channel 70 can also be sealed by the sealing ring 60, so that the tightness is improved, and water leakage is avoided.

In some embodiments, as shown in fig. 7, two opposite side walls of the water inlet channel 70 are respectively provided with an opening, wherein one side wall is a partition wall between the water inlet channel 70 and the first channel 20, a first water passing pipe is arranged in the water inlet channel 70, and one end of the first water passing pipe is connected with an opening edge on the partition wall. The first valve body 51 is a solenoid valve, and includes a valve body and a valve spool, the valve body controlling movement of the valve spool by on-off control. The valve body is sealingly connected to one of the other side walls of the water inlet channel 70 by a sealing ring 60 such that the valve core extends through the opening of that side wall and into the water inlet channel 70. The other end of the first water passing pipe is formed into a first water passing port, and the valve core seals the first water passing port 114 to block the water inlet channel 70 and the first channel 20 in the state that the valve body is not electrified; when the valve body is energized, the valve spool moves away from the first water passage pipe to open the first water passage port 114, thereby allowing the water inlet passage 70 to communicate with the first passage 20.

In some embodiments of the present invention, as shown in fig. 5-8, the second channel 30 may include a first flow section 31, a mounting cavity 33, and a second flow section 32. And the first flow section 31, the installation cavity 33 and the second flow section 32 are sequentially communicated, in other words, the inlet of the installation cavity 33 is communicated with the first flow section 31, the outlet of the installation cavity 33 is communicated with the second flow section 32, and the filtering portion 40 can be installed in the installation cavity 33. The first flow section 31 is used for communicating with a water source, the second flow section 32 is used for communicating with a washing cavity of the dish washing machine, water flows from the first flow section 31 into the mounting cavity 33, and flows in the mounting cavity 33 to be filtered through the filtering part 40, and the filtered water flows into the second flow section 32 so as to flow into the dish washing cavity further. The chamber structure of the mounting chamber 33 facilitates the mounting of the filter portion 40 and provides sufficient mounting and filtering space for the filter portion 40.

In some embodiments, as shown in fig. 5, the first flow section 31 and the second flow section 32 are arranged in a lateral direction (left-right direction as shown in fig. 5) such that the first flow section 31 and the second flow section 32 are located substantially in the same layer in a vertical direction. The water inlet section (i.e. the first flow section 31) and the water outlet section (i.e. the second flow section 32) of the second channel 30 are transversely arranged, and the heights are not greatly different, so that water in and out of the second channel 30 is easy, and water flow is prevented from accumulating in the second channel 30.

In some embodiments, as shown in fig. 7 and 8, the mounting cavity 33 may be located at a vertical side (an upper side as shown in fig. 7) of the first and second flow sections 31 and 32 such that the mounting cavity 33 is located at a different layer from the first and second flow sections 31 and 32 in a vertical direction. And, through the installation cavity 33 being located the same side of water inlet section and play water section, make compact structure, make full use of three-dimensional space, wherein locate the embodiment of upside and still be favorable to improving filtration efficiency, improve the problem of ponding in the installation cavity 33.

In some embodiments of the present invention, as shown in fig. 8, the installation cavity 33 is located at the upper side of the first flow section 31, and a protruding rib may be disposed at a connection position between the first flow section 31 and the installation cavity 33, where the protruding rib protrudes upward from the bottom wall of the installation cavity 33, so that water flow can enter the installation cavity 33 only when the water pressure in the first flow section 31 is sufficiently high, thereby ensuring the filtration efficiency in the installation cavity 33 and avoiding the problem of water accumulation in the installation cavity 33.

In some embodiments, as shown in fig. 8, the filter portion 40 is an annular core, the bottom wall of the mounting cavity 33 is provided with a filter outlet, the annular core is disposed around the filter outlet, and the lower end of the annular core is in sealing engagement with the bottom wall of the mounting cavity 33. The communication port of the first flow section 31 with the mounting chamber 33 is formed as a filter inlet. After flowing from the filter inlet into the mounting chamber 33, the water flows through the annular core from outside to inside to flow into the channel surrounded by the annular core, and then can flow out of the mounting chamber 33 through the filter outlet. The design structure increases the filtering area and improves the filtering efficiency.

In some embodiments, the mounting cavity 33 includes a cavity wall and a cavity cover that is removably secured to the top opening of the cavity wall to facilitate replacement of the filter portion 40 within the mounting cavity 33 through the top opening. And, the chamber cover includes an inner cover and an outer cover, the inner cover is engaged with an upper end of the filtering part 40, and the inner cover is sealingly engaged with an inner circumferential surface of the chamber wall by a sealing member, the outer cover is rotatably connected with the inner cover, and the outer cover is connected with the chamber wall by a turn buckle, screw thread, or the like.

Through the rotatable connection of inner cup and enclosing cover to through enclosing cover and chamber wall swivelling joint, inner cup and filtration portion 40 contact cooperation, and seal through the sealing member between inner cup and the inner peripheral surface of chamber wall, make the enclosing cover rotatory in order to install the chamber lid in the in-process of chamber wall, great frictional force between sealing member and the inner peripheral surface of chamber wall makes the inner cup not rotate along with the enclosing cover, in other words, the part with filtration portion 40 direct connection does not rotate, avoids the tip of filtration portion 40 to wear and lead to filtration portion 40 damage because of the lid rotates. Thereby, not only is a reliable connection between the cavity cover and the cavity wall ensured, the tightness is ensured, but also the damage of the filter part 40 is avoided.

In some embodiments, the inner surface of the inner cap may be provided with attachment posts that are inserted into channels defined by the annular filter portion 40 to effect attachment and positioning of the inner cap to the filter portion 40. The middle part of enclosing cover can be equipped with the mounting hole, and the top of inner cup is equipped with the erection column, and the upper end of the outer peripheral face of erection column is equipped with the joint muscle, and the border of mounting hole is crossed the joint muscle downwards and is located on the erection column with the cover to realize the rotatable coupling of inner cup and enclosing cover, and the joint muscle can avoid the enclosing cover to deviate from.

In the assembly process, the inner cover and the outer cover can be connected in a rotatable manner, and then the filter part 40 is connected with the inner cover through the connecting column, so that the inner cover is in sealing contact with the upper end surface of the filter part 40; then the inner cover is covered on the cavity wall, so that the sealing element on the inner cover is in sealing contact with the inner peripheral surface of the cavity wall, and not only is sealing realized, but also positioning between the inner cover and the cavity wall is realized; the outer cover is rotated to enable the outer cover to be connected with the cavity wall through a turnbuckle or threads. Thereby, a connection of the chamber cover to the chamber wall is achieved.

In some embodiments of the present invention, as shown in fig. 7 and 8, the first channels 20 and the mounting cavities 33 may be arranged in a lateral direction, for example, in a front-to-rear direction as shown in fig. 7 and 8, so that the first channels 20 and the mounting cavities 33 are located on the same layer in a vertical direction, so that the channels are arranged more compactly, the space design is more reasonable, the size of the housing 11 is reduced, and the occupied space is reduced.

It should be noted that, the vertical heights of the first channel 20 and the installation cavity 33 located at the same layer may be the same or different, so that the heights can be set reasonably according to the flow, the installation, and the like. For example, as shown in fig. 7 and 8, the height of the installation cavity 33 is greater than the height of the first passage 20, so that the height of the installation cavity 33 satisfies the installation requirement of the filtering portion 40.

In addition, in some specific examples, as shown in fig. 7, a space cavity may be formed between the first passage 20 and the installation cavity 33 to reduce the volume of the first passage 20 in case that the housing 11 is sized in the arrangement direction, thereby improving the water outlet pressure and water outlet efficiency of the first passage 20 and facilitating the reduction of the water flow accumulation in the first passage 20.

In some embodiments of the present invention, as shown in fig. 1 to 8, the case 11 may include three parts of a first cover 111, a second cover 112, and a case body 113. The first cover 111 is disposed on one side of the housing 113 in the vertical direction, and the second cover 112 is disposed on the other side of the housing 113 in the vertical direction. For example, as shown in fig. 7, the first cover 111 is disposed on the upper side of the housing body 113, and the second cover 112 is disposed on the lower side of the housing body 113. By dividing the housing 11 into three parts, the internal channel and cavity structure is easier to machine.

In some embodiments, referring to fig. 4-8, the first cover 111 and the housing body 113 can define the mounting cavity 33 and the first channel 20 therebetween, and the second cover 112 and the housing body 113 can define the first flow section 31 and the second flow section 32 therebetween. For example, the first cover 111 defines a cavity with an opening facing the housing body 113, and/or the housing body 113 defines a cavity with an opening facing the first cover 111, the housing body 113 is covered by the first cover 111, so that the space in the cavity is formed into the mounting cavity 33 and the first channel 20, and the sealing of the wall surface of the mounting cavity 33 and the sealing of the channel wall surface of the first channel 20 are achieved by the sealing between the first cover 111 and the housing body 113.

In some embodiments including the water inlet channel 70, as shown in fig. 4 and 7-8, the housing body 113 and the second cover 112 cooperate to define the water inlet channel 70, which not only meets the requirement that the water inlet channel 70 simultaneously communicates with the first channel 20 and the second channel 30, but also facilitates the processing of two water passing pipes within the water inlet channel 70.

Through the cooperation of the three parts of the shell 11 distributed up, down, a plurality of chambers or channels such as the first flow section 31, the second flow section 32, the first channel 20, the mounting cavity 33, the water inlet channel 70 and the like can be defined, the processing process difficulty of the shell 11 is greatly simplified, the space arrangement requirement of each chamber or channel is met, and each chamber or channel is orderly distributed.

In some embodiments of the present invention, as shown in fig. 2 and 4, the housing 11 may be provided with a first water outlet connector 121 and a second water outlet connector 122, both connectors being used to connect with the washing chamber, wherein the first water outlet connector 121 communicates with the first passage 20 and the second water outlet connector 122 communicates with the second passage 30, so as to facilitate the communication of the first passage 20 and the second passage 30 with the washing chamber, making the pipe connection easier.

In addition, as shown in fig. 4, the first water outlet connector 121 and the second water outlet connector 122 may be disposed on the same side of the housing 11, so as to reduce the length of the connection pipe between the water inlet device 100 and the dish washing chamber, for example, two water outlet connectors may be disposed on the right side of the housing 11, the dish washing chamber may be disposed on the right side of the water inlet device 100, so that the connection pipe between the two water outlet connectors and the dish washing chamber is shorter, thereby saving cost, and making the pipeline connection of the dish washing machine simpler and more orderly.

In some embodiments, as shown in fig. 4, the housing 11 may also be provided with a water inlet connector 13, and the water inlet connector 13 may be used to connect to a water source, so that the water inlet device 100 is more convenient to connect to the water source, and the pipeline connection is easier. The first channel 20 and the second channel 30 can be connected to the same water inlet joint 13, so that the first channel 20 and the second channel 30 can supply water through the same water source, and the simplification of the pipeline connection structure with the water source is facilitated.

In some embodiments, the water inlet connector 13 may be connected to the water inlet channel 70, and the first channel 20 and the second channel 30 are connected to the water inlet channel 70, respectively, to achieve connection to the same water inlet connector 13.

With continued reference to fig. 4, the water inlet connector 13 and the first water outlet connector 121 are respectively disposed on two opposite sides of the housing 11, in other words, the two water outlet connectors are disposed on one side of the housing 11, and the water inlet connector 13 is disposed on the other side of the housing 11. The water inlet pipeline and the water outlet pipeline of the water inlet device 100 are respectively positioned at different sides, the pipeline connection is more orderly, and the problems of pipeline winding, difficult distinction and the like are avoided. And, according to the quantity of a water inlet joint 13 and two water outlet joints, be convenient for distinguish the joint that is located the joint of which side of casing 11 is used for being connected with the water source, the joint of which side is used for being connected with the dish washing chamber, avoid appearing the wrong problem of water route connection.

It should be noted that, it is within the scope of the present invention that the first water outlet connector 121 and the second water outlet connector 122 may be directly connected to the dish washing chamber, or may be indirectly connected to the dish washing chamber through other pipe structures.

In some embodiments of the present invention, the water inlet device 100 may include a tee having one water outlet and two water inlet ends. One of the water inlet ends of the tee is connected to the outlet end of the first passage 20, the other water inlet end is connected to the outlet end of the second passage 30, and the water outlet end of the tee is adapted to communicate with a dishwashing cavity of the dishwasher.

In the state that the first channel 20 is conducted, water of the water source can flow into the dish washing cavity through the first channel 20 and the three-way pipe so as to wash dishes by using untreated water flow; under the state that the second channel 30 is conducted, water of the water source flows into the dish washing cavity through the second channel 30 and the three-way pipe, water flows through the filtering part 40 for filtering treatment, water quality is improved, and the influence of residual water stains on tableware on the drying effect can be avoided.

Therefore, the three pipelines are communicated through the one pipe structure, so that the number of parts of the dish washing machine is less, the pipelines are simpler, the installation is easy, the structure is more compact, the water inlets on the dish washing cavity are fewer, and the structure of the dish washing cavity is simplified.

In some embodiments where the housing 11 is provided with the first water outlet connector 121 and the second water outlet connector 122, as shown in fig. 4, the two water inlet ends of the tee may be connected with the first water outlet connector 121 and the second water outlet connector 122 respectively, for example, by interference fit, so as to achieve communication with the first channel 20 and the second channel 30, and the connection structure is simple and easy to seal.

In the embodiment in which the first water outlet connector 121 and the second water outlet connector 122 are disposed on the same side of the housing 11, the connection with the two water inlet ends of the three-way pipe is facilitated, the size of the three-way pipe is advantageously shortened, and the distribution of the pipes is more orderly.

In some embodiments, the tee may be a rubber tube. The rubber tube has certain elasticity, can take place elastic deformation, and from taking sealed effect to be convenient for realize with the connection of water joint, and be favorable to improving with the connection leakproofness between the water joint, avoid taking place the water leakage problem.

The dishwasher according to an embodiment of the present invention includes the water inlet device 100 of the dishwasher according to an embodiment of the present invention. Since the water inlet device 100 of the dish washer according to the embodiment of the present invention has the above-mentioned advantageous technical effects, the dish washer according to the embodiment of the present invention has the first and second passages 20 and 30 provided through the housing 11, and only the second passage 30 is provided with the filtering part 40, not only guaranteeing the cleanliness and hygiene of the dishes, but also greatly reducing the frequency of use of the filtering part 40 and reducing the use cost of the user.

In some embodiments of the present invention, the dishwasher may have a tub provided with a washing chamber, and the water inlet device 100 may be connected to the tub so as to supply water into the washing chamber.

In some embodiments, the water inlet device 100 may be located in a base of the dishwasher, so that the water inlet device 100 is not exposed, and has an attractive appearance, and the water inlet device 100 is closer to a spray opening of the washing chamber, which is beneficial to shortening a water inlet pipeline and simplifying an installation structure of the water inlet device 100.

Other constructions and operations of a dishwasher according to an embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the description herein, reference to the terms "embodiment," "specific embodiment," "example," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (14)

1. A water inlet device of a dish washer, comprising:

the washing machine comprises a shell, a first water inlet, a second water outlet, a first water outlet, a second water outlet, a first water inlet and a second water outlet, wherein the shell is provided with a first channel and a second channel, the inlet end of the first channel is used for being communicated with a water source, the outlet end of the first channel is used for being communicated with a washing cavity of the dish washing machine, the inlet end of the second channel is used for being communicated with the water source, and the outlet end of the second channel is used for being communicated with the washing cavity of the dish washing machine;

and the filtering part is arranged in the second channel.

2. The water inlet device of a dishwasher of claim 1, wherein the housing defines a water inlet passage adapted to be connected to a source of water, the inlet end of the first passage and the inlet end of the second passage being connected to the water inlet passage, respectively.

3. The water inlet device of a dishwasher of claim 2, wherein the first channel and the second channel are located on the same side of the water inlet channel;

and/or, the water inlet channel forms a water inlet cavity.

4. A water inlet device of a dishwasher according to claim 1 or 2, comprising:

the first valve body is used for controlling the on-off of the first channel;

and the second valve body is used for controlling the on-off of the second channel.

5. The water inlet device of a dish washer according to claim 4, wherein a first water passing port for communicating with the first passage and a second water passing port for communicating with the second passage are provided in the water inlet passage of the housing,

the first valve body and the second valve body are installed in the shell, the first valve body is used for opening and closing the first water passing port, and the second valve body is used for opening and closing the second water passing port.

6. The water inlet device of a dishwasher of claim 1, wherein the second channel comprises a first flow section, a mounting chamber, and a second flow section, an inlet of the mounting chamber being in communication with the first flow section, an outlet of the mounting chamber being in communication with the second flow section, the filter being mounted within the mounting chamber, the first flow section being for communication with a water source, the second flow section being for communication with a wash chamber of the dishwasher;

the first flow section and the second flow section are arranged in a transverse direction, and/or the mounting cavity is positioned on the upper sides of the first flow section and the second flow section.

7. The water inlet device of a dishwasher of claim 6, wherein the first channel is arranged laterally with the mounting cavity.

8. The water inlet device of a dishwasher of claim 1, wherein the housing comprises a housing body, a first cover and a second cover, the first cover being located on one vertical side of the housing body, the second cover being located on the other vertical side of the housing body.

9. The water inlet device of a dishwasher according to claim 1, wherein the housing is provided with a first water outlet connector and a second water outlet connector for connection to the washing chamber, the first water outlet connector being in communication with the first channel and the second water outlet connector being in communication with the second channel.

10. The water inlet device of a dishwasher of claim 9, wherein the first water outlet connector and the second water outlet connector are provided on the same side of the housing,

the shell is provided with a water inlet joint connected with a water source, and the first water outlet joint and the water inlet joint are respectively arranged on two sides of the shell, which are opposite to each other.

11. The water inlet device of a dishwasher according to claim 1, wherein the housing is provided with a water inlet connection for connection to a water source, the first and second channels being connected to the same water inlet connection.

12. The water inlet device of a dishwasher according to any one of claims 1 to 11, comprising:

the three-way pipe is provided with two water inlet ends and one water outlet end, the two water inlet ends are respectively connected with the outlet end of the first channel and the outlet end of the second channel, and the water outlet end is used for being communicated with a washing cavity of the dish washer.

13. A dishwasher, characterized by comprising a water inlet device of a dishwasher according to any one of claims 1-12.

14. The dishwasher of claim 13, characterized in that the water inlet means are connected to a liner of the dishwasher, which liner is provided with the washing chamber;

and/or the water inlet device is positioned in the base of the dish washer.