CN217040045U - Water inlet device of dish washing machine and dish washing machine - Google Patents

Abstract

The utility model discloses a water installations and dish washer of dish washer, water installations includes: a housing having a first passage with an inlet end for communicating with a water source and a second passage with an outlet end for communicating with a washing chamber of the dishwasher, an inlet end for communicating with a water source and an outlet end for communicating with a washing chamber of the dishwasher; and the filtering part is arranged in the second channel. According to the utility model discloses water installations of dish washer sets up first passageway and second passageway through the casing to only the second passageway sets up the filter house, has not only guaranteed the clean health of tableware, moreover greatly reduced the frequency of utilization of filter house, reduce user's use cost.

Description

Water inlet device of dish washing machine and dish washing machine

Technical Field

The utility model relates to a dish washer technical field, more specifically relates to a water installations and dish washer of dish washer.

Background

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

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a water inlet device of a dishwasher, which ensures tableware sanitation and can reduce the use cost.

Another object of the utility model is to provide a dish washer with above-mentioned water installations.

According to the utility model discloses water installations of dish washer, include: a housing having a first passage having an inlet end for communicating with a water source and an outlet end for communicating with a washing chamber of the dishwasher, and a second passage having an inlet end for communicating with a water source and an outlet end for communicating with a washing chamber of the dishwasher; and the filtering part is arranged in the second channel.

According to the utility model discloses water installations of dish washer sets up first passageway and second passageway through the casing to only the second passageway sets up the filter house, has not only guaranteed the clean health of tableware, moreover greatly reduced the frequency of use of filter house, reduce user's use cost.

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

according to some embodiments of the present invention, the housing defines a water inlet passage adapted to be connected to a water source, the inlet end of the first passage and the inlet end of the second passage are connected to the water inlet passage, 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 the utility model discloses a some embodiments, water installations include: 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 the utility model discloses a some embodiments, be equipped with in the inlet channel of casing be used for with the first mouth of a river of crossing of first passageway intercommunication and with the mouth of a river is crossed to the second of second passageway intercommunication, first valve body with the second valve body install in the casing, first valve body is used for the switching first mouth of a river of crossing, the second valve body is used for the switching the mouth of a river is crossed to the second.

According to some embodiments of the present invention, the second channel comprises a first flow section, an installation cavity and a second flow section, an inlet of the installation cavity is communicated with the first flow section, an outlet of the installation cavity is communicated with the second flow section, the filtering portion is installed in the installation cavity, the first flow section is used for communicating with a water source, and the second flow section is used for communicating with a washing cavity of a dishwasher; the first flow section and the second flow section are arranged in the transverse direction, and/or the installation cavity is located on the upper side of the first flow section and the second flow section.

According to some embodiments of the invention, the first channel with the installation cavity is arranged along a transverse direction.

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

According to some embodiments of the utility model, the casing be equipped with be used for with the washing chamber links to each other first water swivel and second water swivel, first water swivel with first passageway intercommunication, second water swivel with second passageway intercommunication.

According to the utility model discloses a some embodiments, first water swivel with second water swivel locates same one side of casing, the casing is equipped with and is used for the water supply connector that links to each other with the water source, first water swivel with water supply connector locates respectively the both sides that back on the other hand each other of casing.

According to some embodiments of the utility model, the casing is equipped with and is used for the water supply connector that links to each other with the water source, first passageway with the second channel is connected in same water supply connector.

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 communicated with a washing cavity of the dishwasher.

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

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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a water inlet device according to an embodiment of the present invention;

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

fig. 3 is a left side view of a water intake apparatus 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 sectional view taken along line C-C of FIG. 6;

fig. 8 is a sectional view of fig. 6 taken along the direction indicated by the line D-D.

Reference numerals are as follows:

a water intake device 100;

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

a first channel 20; a water inlet passage 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;

and a seal ring 60.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the invention, "a first feature" or "a second feature" may include one or more of the features, "a plurality" means two or more, the first feature may be "on" or "under" the second feature, including the first and second features being in direct contact, or may include the first and second features being in contact through another feature not in direct contact, but in between, and the first feature being "on", "above" or "over" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

A water inlet device 100 of a dishwasher 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 dish washer generally uses pipeline water supply to wash tableware, and most dish washers are accompanied by a post-washing drying function, before drying, whether the residual water on the tableware is clean and sanitary is a big problem worried by users, so the water quality of the dish washer has great influence on the cleanness of the tableware and is an important factor influencing the user experience.

Filters are more commonly found in potable water purification plants, and in the related art, there is no precedent for loading filters in dishwashers.

In the embodiment of the present invention, as shown in fig. 1 and 5 to 8, the housing 11 of the dishwasher is provided with the second passage 30. The inlet end of the second channel 30 is communicated with a water source, the outlet end of the second channel 30 is communicated with a washing chamber of the dishwasher, and the filtering part 40 is arranged in the second channel 30. When the second channel 30 is open, water from the source flows into the second channel 30 and through the filter 40, and the filter 40 can be used to separate liquid and impurities to remove coarse particles, sludge, rust, suspended matter, etc. from the water. For example, the filter part 40 may be a PP cotton filter element, which is low in cost and can reduce the use cost of users.

In addition, the filter used by the water purifying equipment only has a one-way flow passage, and water flow can only flow out after being filtered by the filter. In the working process of the dishwasher, a plurality of rounds (usually 3-4 rounds) of water inflow are required for a washing program of the dishwasher, if the existing filter is installed on the dishwasher, each round of water inflow must flow through the filter, the use frequency of the filter is greatly improved, the use cost of a user is increased, the inconvenience and the rapidness of frequently replacing the filter are increased, and the problem that the residual water quality is poor due to the fact that the user forgets to replace the filter on time is easy to occur.

In this regard, in an embodiment of the present invention, as shown in fig. 1 and 7, the housing 11 is further provided with a first channel 20. The inlet end of the first channel 20 is in communication with a water source and the outlet end of the first channel 20 is in communication with the washing chamber of the dishwasher to enable water from the water source to be delivered directly into the washing chamber when the first channel 20 is open. In other words, the water flow from the water source may flow into the washing chamber through the first passage 20 without passing through the filter portion 40.

In the course of the dish washer work, several rounds of former can intake through first passageway 20, intake and do not directly be used for the filth on the washing tableware through filter 40 to intake through second passageway 30 at last round, intake and filter through filter 40 and be used for the tableware stoving before last round clean, make only actually last round through filterable intaking remain on the tableware surface, guaranteed the clean health after the tableware is dried. And in the process of running the washing program every time, only one round of inlet water in the multiple rounds of inlet water flows through the filtering part 40 and only one-time filtering part 40 is used, compared with a filter with one flow passage, the unnecessary use of the filtering part 40 is greatly reduced, the use frequency of the filtering part 40 is reduced, for example, the use rate of the filtering part 40 can be reduced by 3-4 times, so that 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 passage 20 and the second passage 30 are defined by the same housing 11, in other words, a plurality of passages are defined in the same housing 11, in which the first passage 20 and the second passage 30 are included, and the filter part 40 is installed in the housing 11. Compared with the scheme of an independent water pipe, 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, visual experience of more attractive appearance and high end can be provided for users, and product competitiveness is improved. In addition, the shell 11 defines multiple channels, which is more favorable for improving the sealing performance of the channels, is convenient for installation of matched components such as the electromagnetic valve and the like, and is favorable for improving the structural stability and the sealing stability of each component and each channel in the use process.

According to the utility model discloses water installations 100 of dish washer sets up first passageway 20 and second passageway 30 through casing 11 to only second passageway 30 sets up filter house 40, has not only guaranteed the clean health of tableware, moreover greatly reduced filter house 40's frequency of use, reduce user's use cost.

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 is adapted to be connected to a water source, and the inlet end of the first channel 20 is connected to the water inlet channel 70 and the inlet end of the second channel 30 is connected to the water inlet channel 70. Therefore, water flow of the water source flows into the water inlet channel 70 firstly and then flows into the second channel 30 or the first channel 20 to be connected with the water source through the water inlet channel 70, so that only one water inlet pipeline needs to be arranged between the water inlet device 100 and the water source, the pipeline connection structure of the dish washing machine 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 passage 20 and the second passage 30 are located on the same side of the inlet passage 70. The channel paths in the shell 11 are distributed more regularly and orderly, the shell 11 is convenient to machine and form, and the tightness of each channel is guaranteed.

In some embodiments, the inlet channel 70 forms an inlet chamber, which is beneficial to improve the stability of the inlet water and facilitates the connection structure between the inlet channel 70 and the first channel 20 and the second channel 30.

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. The first valve body 51 is matched with the first channel 20, and the first channel 20 can be controlled to be switched on and off through the first valve body 51; the second valve body 52 is coupled to the second passage 30, and the second passage 30 is controlled to be opened and closed by the second valve body 52. The first channel 20 and the second channel 30 are respectively controlled to be switched on and off through different valves, so that the conduction switching of the two channels is realized, the switching of water quality of water flow introduced into the dish washing cavity is realized, the switching of the service state 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, which are opened when power is supplied and are reset by spring force when power is removed.

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 passage 70 of the housing 11, wherein the first water passing port 114 is configured to communicate with the first passage 20, and the second water passing port 115 is configured to communicate with the second passage 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, such that a portion (e.g., an electric component) of each valve body may be exposed outside the housing 11, so as to improve safety, and another portion may extend into the water inlet channel 70 to be respectively used for cooperating with the first water passing opening 114 and the second water passing opening 115, so as to open and close the two water passing openings, and thus, the conduction states of the first channel 20 and the second channel 30 are switched.

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 sealing performance is improved, and water leakage is avoided.

In some embodiments, as shown in fig. 7, two opposite sidewalls of the water inlet channel 70 are respectively provided with an opening, one of the sidewalls 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 to an opening edge of the partition wall. The first valve body 51 is an electromagnetic valve, and includes a valve body and a valve element, and the valve body electrically controls movement of the valve element by turning on and off. The valve body is sealingly connected to the other side wall of the inlet passage 70 by a sealing ring 60 so that the valve element extends through the opening in the side wall and into the inlet passage 70. The other end of the first water passing pipe is formed as 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 when the valve body is not electrified; in the energized state of the valve body, the valve core moves away from the first water passing pipe to open the first water passing port 114, so that the water inlet passage 70 communicates 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. The first flow section 31, the installation cavity 33, and the second flow section 32 are sequentially communicated, that is, an inlet of the installation cavity 33 is communicated with the first flow section 31, an outlet of the installation cavity 33 is communicated with the second flow section 32, and the filter part 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 a dishwasher, water flow enters the installation cavity 33 from the first flow section 31, and is filtered by the filtering part 40 in the installation cavity 33, and the filtered water flow flows into the second flow section 32 so as to further flow into the dish washing cavity. The chamber structure of the installation cavity 33 facilitates installation of the filter house 40 and provides sufficient installation and filtering space for the filter house 40.

In some embodiments, as shown in fig. 5, the first flow section 31 and the second flow section 32 are arranged in a transverse direction (left-right direction as shown in fig. 5) such that the first flow section 31 and the second flow section 32 are substantially vertically on the same level. The water inlet section (namely the first flow section 31) and the water outlet section (namely the second flow section 32) of the second channel 30 are transversely arranged, and the height difference is not large, so that the water inlet and outlet of the second channel 30 are easy, and the water flow is prevented from accumulating in the second channel 30.

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

In some embodiments of the utility model, as shown in fig. 8, installation cavity 33 is located the upside of first flow segment 31 to first flow segment 31 can be equipped with protruding muscle with the intercommunication department of installation cavity 33, and protruding muscle is upwards protrusion in the diapire of installation cavity 33, and rivers just can get into installation cavity 33 when making in first flow segment 31 water pressure big enough, guarantee filterable efficiency in the installation cavity 33, avoid the interior ponding problem of 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 chamber 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 chamber 33. The communication opening of the first flow section 31 and the installation chamber 33 is formed as a filtration inlet. After flowing into the installation cavity 33 from the filter inlet, the water flows through the annular core from outside to inside to flow into the channel surrounded by the annular core, and then flows out of the installation cavity 33 through the filter outlet. The design structure increases the filtering area and improves the filtering efficiency.

In some embodiments, mounting chamber 33 includes a chamber wall and a chamber cover that is removably secured to a top opening of the chamber wall to facilitate replacement of filter portion 40 within mounting chamber 33 through the top opening. And, the chamber lid includes inner cup and enclosing cover, and the inner cup cooperates with the upper end of filter part 40 to the inner cup passes through sealing member sealing fit with the inner peripheral surface of chamber wall, and the enclosing cover is connected with the inner cup rotationally, and the enclosing cover passes through the structure connection such as turn-buckle, screw thread with the chamber wall.

Through inner cup and enclosing cover rotatable coupling to through enclosing cover and chamber wall swivelling joint, the inner cup is with filter part 40 contact cooperation, and pass through the sealing member between the inner peripheral surface of inner cup and chamber wall and seal, make the enclosing cover rotatory in-process with installing the chamber lid in the chamber wall, the great frictional force between the inner peripheral surface of sealing member and chamber wall makes the inner cup not rotate along with the enclosing cover, in other words, the part of being connected directly with filter part 40 does not rotate, avoids the tip of filter part 40 to lead to the filter part 40 to damage because the lid rotates wearing and tearing. Therefore, not only is the reliable connection between the cavity cover and the cavity wall ensured, the sealing performance is ensured, but also the filter part 40 is prevented from being damaged.

In some embodiments, the inner surface of the inner cap may be provided with attachment posts that are inserted into the channel defined by the annular filter portion 40 to attach and position 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 card muscle, and the border of mounting hole is crossed the card 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 card muscle can avoid the enclosing cover to deviate from.

In the assembling process, the inner cover and the outer cover can be connected with each other firstly to enable the inner cover and the outer cover to be connected in a rotatable mode, and then the filtering part 40 and the inner cover are connected through a connecting column to enable the inner cover to be in sealing contact with the upper end face of the filtering part 40; then the inner cover is covered on the cavity wall, so that a sealing element on the inner cover is in sealing contact with the inner circumferential surface of the cavity wall, thereby realizing not only sealing but also positioning between the inner cover and the cavity wall; the outer cover is rotated to ensure that the outer cover is connected with the cavity wall through a turnbuckle or a thread. Thereby, the connection of the cavity cover and the cavity wall is realized.

In some embodiments of the present invention, as shown in fig. 7 and 8, the first channel 20 and the installation cavity 33 can be arranged along the horizontal direction, for example, the first channel 20 and the installation cavity 33 are arranged along the front-back direction as shown in fig. 7 and 8, so that the first channel 20 and the installation cavity 33 are substantially located on the same layer in the vertical direction, and thus the arrangement of the channels is more compact, the space design is more reasonable, the volume 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 on the same floor may be the same or different, so that the heights can be set reasonably according to the requirements of flow rate, installation and the like. For example, as shown in fig. 7 and 8, the height of the mounting cavity 33 is greater than the height of the first channel 20, so that the height of the mounting cavity 33 meets the mounting requirements of the filter part 40.

In some specific examples, as shown in fig. 7, a spacing cavity may be formed between the first channel 20 and the mounting cavity 33 to reduce the volume of the first channel 20 under the condition that the size of the housing 11 is fixed in the arrangement direction, so as to improve the water outlet pressure and the water outlet efficiency of the first channel 20, and to reduce the water accumulation in the first channel 20.

In some embodiments of the present invention, as shown in fig. 1-8, the housing 11 may include three parts, namely, a first cover 111, a second cover 112, and a housing body 113. The first cover 111 is disposed on one vertical side of the housing body 113, and the second cover 112 is disposed on the other vertical side of the housing body 113. For example, as shown in fig. 7, the first cover 111 is disposed on the upper side of the case body 113, and the second cover 112 is disposed on the lower side of the case 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 opening toward the housing body 113, and/or the housing body 113 defines a cavity opening toward the first cover 111, the first cover 111 covers the housing body 113, so that the space in the cavity is formed into the mounting cavity 33 and the first channel 20, and the wall surface of the mounting cavity 33 and the wall surface of the channel of the first channel 20 are sealed by the sealing between the first cover 111 and the housing body 113.

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

Through the cooperation of the three parts of the shell 11 distributed along the upper part, the middle part and the lower part, a plurality of cavities or channels such as the first flow section 31, the second flow section 32, the first channel 20, the installation cavity 33, the water inlet channel 70 and the like can be defined, the processing difficulty of the shell 11 is greatly simplified, the space arrangement requirement of each cavity or channel is met, and the cavities or channels are distributed orderly.

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 joint 121 and a second water outlet joint 122, both of which are used to connect with the washing chamber, wherein the first water outlet joint 121 is communicated with the first channel 20, and the second water outlet joint 122 is communicated with the second channel 30, so as to communicate the first channel 20 with the second channel 30 and the washing chamber, and make the pipeline connection easier.

In addition, as shown in fig. 4, the first water outlet joint 121 and the second water outlet joint 122 can be arranged on the same side of the housing 11, so as to be beneficial to reducing the length of the connecting pipe between the water inlet device 100 and the dish washing cavity, for example, the two water outlet joints can be arranged on the right side of the housing 11, the dish washing cavity can be arranged on the right side of the water inlet device 100, so that the connecting pipe between the two water outlet joints and the dish washing cavity is shorter, the cost is saved, and the pipeline connection of the dish washing machine is simpler and more orderly.

In some embodiments, as shown in fig. 4, the housing 11 may further be provided with a water inlet connector 13, and the water inlet connector 13 may be used to connect with a water source, so that the water inlet device 100 is connected with the water source more conveniently and the pipeline connection is easier. The first passage 20 and the second passage 30 may be connected to the same water inlet joint 13 so that the first passage 20 and the second passage 30 can be supplied with water through the same water source, which is advantageous in simplifying a piping connection structure with the water source.

In some embodiments, the water inlet connector 13 may be connected to the water inlet passage 70, and the first passage 20 and the second passage 30 are connected to the water inlet passage 70 respectively, so as to connect to the same water inlet connector 13.

With 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, difficulty in distinguishing and the like are avoided. And, according to the quantity of a water supply connector 13 and two water connectors, be convenient for distinguish that the joint that is located casing 11 which side is used for being connected with the water source, the joint of which side is used for being connected with the chamber of washing the dishes, avoids appearing the wrong problem of water route connection.

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

In some embodiments of the present disclosure, the water inlet device 100 may include a three-way pipe having one water outlet end and two water inlet ends. One of the water inlet ends of the tee is connected with the outlet end of the first channel 20, the other water inlet end of the tee is connected with the outlet end of the second channel 30, and the water outlet end of the tee is used for being communicated with a dish washing cavity of the dish washing machine.

When the first channel 20 is in a conducting state, water from a water source can flow into the dish washing cavity through the first channel 20 and the three-way pipe so as to wash the tableware by untreated water flow; under the state that second passageway 30 switched on, the water at water source flows into the intracavity that washes the dishes through second passageway 30 and three-way pipe, and rivers process filter unit 40 filtration, and quality of water can promote, can avoid remaining water stain and influence the stoving effect on the tableware.

Therefore, the three pipelines are communicated through the 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, and meanwhile, the water inlets in the dish washing cavity are less, and the structure of the dish washing cavity is simplified.

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

In the embodiment where the first water outlet joint 121 and the second water outlet joint 122 are disposed on the same side of the shell 11, the connection with the two water inlet ends of the three-way pipe is also facilitated, which is beneficial to shortening the size of the three-way pipe and making the distribution of the pipes 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 the sealed effect of area to be convenient for realize being connected with water connectors, and be favorable to improving and be connected the leakproofness between the water connectors, avoid taking place the hourglass water problem.

The dishwasher according to the embodiment of the present invention includes the water inlet device 100 of the dishwasher according to the embodiment of the present invention. Since the water inlet device 100 of the dishwasher according to the embodiment of the present invention has the above-mentioned beneficial technical effects, according to the embodiment of the present invention, the first channel 20 and the second channel 30 are provided through the housing 11, and only the second channel 30 is provided with the filter part 40, so that not only the cleanness and sanitation of the tableware are ensured, but also the frequency of use of the filter part 40 is greatly reduced, and the use cost of the user is reduced.

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

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

Other constructions and operations of the dishwasher according to embodiments 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the description of the present specification, references to the description of the terms "embodiment," "specific embodiment," "example," etc., mean 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. A water inlet device of a dishwasher, comprising:

a housing having a first passage having an inlet end for communicating with a water source and an outlet end for communicating with a washing chamber of the dishwasher, and a second passage having an inlet end for communicating with a water source and an outlet end for communicating with a washing chamber of the dishwasher;

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 water supply, 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 according to 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. The 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 dishwasher according to claim 4, wherein a first drain port for communicating with the first passage and a second drain 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 mounted on the housing, 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 according to claim 1, wherein the second channel comprises a first flow section, a mounting cavity and a second flow section, an inlet of the mounting cavity is communicated with the first flow section, an outlet of the mounting cavity is communicated with the second flow section, the filter part is mounted in the mounting cavity, 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 cavity of the dishwasher;

the first flow section and the second flow section are arranged in the transverse direction, and/or the installation cavity is located on the upper side 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 in a transverse direction to the mounting chamber.

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

9. A water inlet device of a dishwasher as claimed in claim 1, wherein the housing is provided with a first water outlet connection and a second water outlet connection for connection with the washing chamber, the first water outlet connection communicating with the first passage and the second water outlet connection communicating with the second passage.

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

the shell is provided with a water inlet joint used for being 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 mutually opposite.

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

12. A 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 washing machine.

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

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