CN117717300A - Dish washer - Google Patents

Abstract

The invention discloses a dish-washing machine, which comprises a washing cavity, a washing cavity and a washing cavity, wherein the washing cavity is arranged in a dish-washing machine body; the shelf is placed in the washing cavity and is provided with a space for placing tableware; the spray arm is arranged in the washing cavity and sprays washing water to tableware placed on the shelf; the local reinforced washing structure is arranged on the inner wall of the washing cavity and sprays washing water to the tableware placed in the local area of the shelf. According to the invention, the local reinforced washing structure is arranged on the inner wall of the washing cavity of the dish washing machine, so that the tableware placed in the appointed local area on the shelf is directly subjected to reinforced washing in the outside-in direction, and the remarkable technical progress of the dish washing machine in the important reinforced washing of the articles to be washed with heavy greasy dirt and deep size so as to improve the washing effect of the dish washing machine is achieved.

Description

Dish washer

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to a dish washer, in particular to a dish washer capable of carrying out intensive washing on tableware in a local area.

Background

Currently, with the improvement of economic level and life quality, dish washers are increasingly used by families as equipment for automatically cleaning tableware and cookware. The existing dish washer mainly comprises a shell, an inner container, a shelf and a cleaning assembly, wherein the shelf is used for containing tableware, cookware and kitchen utensils to wait for washing articles, and the cleaning assembly is used for spraying water to the articles to be washed placed on the shelf so as to achieve the effect of automatically cleaning the articles to be washed placed on the shelf.

The spray assembly on the existing dish washer is generally of a spray arm structure, the spray arm structure is arranged in the inner container, and when the dish washer works, the spray arm sprays water upwards or downwards to achieve the effect of washing the shelf placed in the upper-lower direction and the articles to be washed placed on the shelf.

Although the existing spray arm structure can generally utilize the water jet to drive the automatic shutdown rotation, the existing spray arm structure still has the problems of incomplete washing and the like; especially, when some articles to be washed with larger volume, deeper openings and more serious greasy dirt are cleaned, the spray arm still can only spray the shallower local area of the articles to be washed, but cannot clean the deeper internal area, the key areas with more serious pollution and the like, so that the problems of uncleanness in cleaning the articles to be washed, poor cleaning effect and the like are caused.

In view of this, the present invention has been made.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a dish washer so as to realize the effect of strengthening washing of articles such as tableware and the like placed in a local area of a shelf in the dish washer; simultaneously, provide a dish washer to carry out the pertinence to heavy greasy dirt, darker size specification article and wash, and then reach the purpose that promotes dish washer washing effect.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a dishwasher includes a washing chamber 100 provided in a dishwasher body; the shelf 1 is placed in the washing cavity and is provided with a space for placing tableware; a spray arm 3 provided in the washing chamber 100 for spraying washing water to the dishes placed on the rack 1; the local reinforced washing structure 4 is arranged on the inner wall of the washing cavity 100 and sprays washing water to the tableware placed in the local area of the shelf 1.

Further, any one, or part, or all of the side walls, top wall and bottom wall of the washing chamber 100 is provided with at least one local reinforcing washing structure 4, respectively;

each local reinforcing washing structure 4 sprays washing water to the same, or partially overlapping, or different local areas on the rack 1.

Further, an inner container 300 is arranged in the dish washer body, and one side of the inner container 300 is provided with an inner container opening; a door body 400 capable of opening and closing the opening of the inner container is arranged on the dish washer body, and the door body 400 and the inner container 300 jointly enclose a washing cavity 100;

at least one local reinforcing washing structure 4 is provided at a side of the door 400 facing the inside of the washing chamber 100 and/or an inner wall side of the inner container 300.

Further, each local enhanced washing structure 4 is respectively communicated with the water supply structure 500 of the dish washer through a water supply waterway 200, and a control valve structure 5 for controlling the water supply flow on-off of each local enhanced washing structure 4 is arranged on the water supply waterway 200.

Further, at least part of the local reinforcing washing structures 4 are respectively arranged on different water supply waterways 200, and each water supply waterway 200 is communicated with the same dishwasher water supply structure 500; each water supply channel 200 is provided with a control valve 51 for controlling the on-off of the pipeline.

Further, at least two local enhanced washing structures 4 are arranged on the same water supply waterway 200, a plurality of flow passages are arranged in the water supply waterway 200, and the flow passages are respectively communicated with the different local enhanced washing structures 4 and the water supply structure 500 of the dish washer in a one-to-one opposite manner; each flow passage is provided with a control valve 51 for controlling the on-off of the flow passage.

Further, a water supply channel 200 is arranged on the inner wall of the chamber of the washing chamber 100, a water outlet 23 which is arranged towards the shelf 1 is arranged on the water supply channel 200, a water spraying component 40 is arranged at the water outlet 23 and is used for spraying water in a spraying chamber 44 which is arranged in the water supply channel 200 and is communicated with the water outlet 23 to a local range of the shelf 1 so as to form a local reinforced washing structure 4.

Further, the water spraying assembly 40 includes a rotary spray head 421 rotatably mounted coaxially around the shaft at the water outlet 23 of the water supply channel 21;

the rotary nozzle 421 is provided with a plurality of water spray outlets 423, each water spray outlet 423 extends along different tangential directions of the water outlet 23, each water spray outlet 423 discharges water in the same circumferential direction of the water outlet 23, and the water flow sprayed by each water spray outlet 423 provides thrust in a single rotation direction for the rotary nozzle 421 to push the rotary nozzle 421 to rotate around the shaft.

Further, a water scattering support 422 is installed on the water supply waterway 21, the water scattering support 422 and the outer wall of the water supply waterway 21 jointly enclose an installation space, and the spray heads 421 are arranged in the installation space;

the water-spreading support 422 is composed of a plurality of water-retaining ribs 4221, and the water flow discharged from the water-spraying outlet 423 of the rotary nozzle 421 is at least partially sprayed onto the water-retaining ribs 4221 to form a spread water flow with increased coverage.

Further, at least part of the bar-shaped water blocking ribs 4221 extend along the parallel direction of the axis of the water outlet 23, and all the bar-shaped water blocking ribs 4221 are positioned at the periphery of the water outlet 23 and are distributed at intervals along the circumferential direction of the water outlet 23.

Further, the bar-shaped water blocking rib 4221 includes a vertical extension portion 4227 and a horizontal interference portion 4228, and the water outlet 423 of the rotary nozzle 421 sprays out water flow at least partially to the vertical extension portion 4227 and/or at least partially to the horizontal interference portion 4228.

Further, the vertical extension 4227 extends in a straight line or curve along the parallel direction of the axis of the water outlet 23, one end of the vertical extension is connected with the outer wall of the water supply channel 21, and the other end of the vertical extension protrudes out of the upper end surface of the rotary nozzle 421;

the horizontal interference portion 4228 extends in a height plane parallel to the water outlet 23, the horizontal interference portion 4228 extends in a straight line or curve along the radial direction of the water outlet 23, one end of the horizontal interference portion 4228 is connected with the corresponding vertical extension portion 4227, and the other end is connected with other horizontal interference portions 4228 in an intersecting manner.

Further, the water dispersion support 422 includes a mounting portion 4222 connected to the water supply channel 21, the mounting portion 4222 is provided with a hollow opening 4223 coaxial with the water outlet 23 and having a larger radial dimension, and the lower end of each vertical extension portion 4227 is connected to the mounting portion 4222;

the mounting portions 423 on both sides of the hollow opening 4223 are respectively buckling portions 4210 buckled and fixed with the water supply channel 21.

Further, the hollow opening 4223 is a circular hole with a larger radial dimension coaxial with the water outlet, a plurality of water blocking ribs 4221 are arranged on the periphery of the hollow opening 4223 at equal intervals, and the lower end of each water blocking rib 4221 is connected with a mounting part 4222 on the periphery of the hollow opening 4223.

Further, the fastening portion 4210 of the mounting portion 423 is provided with bayonet 4229 opened to opposite sides, and the outer walls of the two sides of the water supply channel 21 are respectively provided with snap-in hooks 4224 to be snapped into the bayonet 4229.

Further, the fastening portions 4210 on both sides of the mounting portion 423 are respectively provided with positioning holes 4225 opened toward the shelf 1, and positioning posts 4226 corresponding to the positioning holes 4225 are provided on the outer wall of the water supply channel 21.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the local reinforced washing structure is arranged on the inner wall of the washing cavity of the dish washer, so that the tableware placed in the appointed local area on the shelf is directly subjected to reinforced washing in the outside-in direction, and the effect that the dish washer locally performs reinforced washing on the appointed local area of the shelf and performs important reinforced washing on the articles to be washed with heavy greasy dirt and deep size is achieved.

2. Meanwhile, the local enhanced washing structure is arranged to be a rotatable nozzle structure, so that the local enhanced washing water flow can form divergent water flow with wider coverage range by utilizing the rotation acting force of the nozzle, and the washing effect on the local area is enhanced; in addition, the structure such as the support that installs additional in rotatory nozzle periphery can also be utilized, the interference is dispersed to the rivers that spray, further promotes the divergence of spraying rivers, further strengthens the effect of local regional washing.

3. In addition, through setting up the local enhancement washing structure of the same or different structures respectively in different positions, can utilize the alternative control break-make water supply of control valve, realize the spray rivers of diversified combination, and then reach the abundant dish washer washing mode diversification, promote the apparent technological progress of washing effect.

Meanwhile, the invention has simple structure and obvious effect, and is suitable for popularization and use.

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a schematic view of a dishwasher in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of a water supply circuit according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a water supply channel according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of section A-A of FIG. 3 in an embodiment of the invention;

FIG. 5 is a schematic view showing a partial structure of the section B-B of FIG. 3 in an embodiment of the present invention;

FIGS. 6 and 7 are schematic exploded views of a second localized reinforcing wash structure from different perspectives in accordance with an embodiment of the present invention;

fig. 8 is a schematic top view of a water supply channel according to another embodiment of the present invention;

FIG. 9 is an enlarged schematic view of the structure at the first localized reinforcing washing structure of FIG. 8, in accordance with an embodiment of the present invention;

fig. 10 and 11 are schematic views of a dishwasher according to various other embodiments of the present invention.

The main elements in the figure are illustrated: 100. a washing chamber; 200. a water supply waterway; 300. an inner container; 400. a door body; 500. a water supply structure; 1. a shelf; 2. a main water supply path; 3. a spray arm; 4. locally reinforcing the washing structure; 5. a control valve structure; 21. a branch water supply waterway; 211. a first branch water supply channel; 212. a second water supply channel; 213. a third water supply channel; 22. a bending part; 23. a water outlet; 31. spraying holes; 40. a water spray assembly; 41. a first localized reinforcing wash structure; 411. a water wheel; 412. a rotating shaft; 413. a water spray outlet; 414. a fan blade; 42. a second localized reinforcing wash structure; 421. rotating the spray head; 422. a bracket; 423. a water spray outlet; 4221. water blocking ribs; 4222. a mounting part; 4223. a hollowed-out opening; 4224. a buckle; 4225. positioning holes; 4226. positioning columns; 4227. a vertical extension; 4228. a horizontal interference unit; 4229. a bayonet; 4210. a buckling part; 43. a third localized reinforcing wash structure; 431. a nozzle; 432. a water spray outlet; 433. a water baffle; 44. a spray washing cavity; 51. and a control valve.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

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. 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.

As shown in fig. 1 to 11, a dishwasher according to an embodiment of the present invention includes a washing chamber 100 provided in a dishwasher body to form a chamber for washing articles to be washed; the shelf 1 is placed in the washing cavity 100 and provided with a space for placing tableware, so that the articles to be washed are supported, and the articles to be washed are prevented from being polluted by washing water due to direct contact with the inner wall of the cavity; the spray arm 3 is arranged in the washing cavity 100, a spray hole 31 is formed in the spray arm, and washing water is sprayed to the shelf 1 in the washing cavity 100 and tableware placed on the shelf 1 to wait for washing articles; the washing water comes from a water supply structure 500 arranged on the dishwasher body, and the water supply structure can be any existing structure, for example: the water collecting tank is positioned at the bottom of the inner container 300 of the dish washer, is communicated with an external water source through a water inlet pipe of the dish washer, and is provided with dish washing powder and a dish washing liquid adding device, and the dish washing powder and the dish washing liquid adding device throw washing additives into water inflow flowing into the water collecting tank so that the water inflow mixed with the washing additives flows into the water collecting tank to form washing water; then, the water collecting tank is communicated with the spray arm 3 through a water supply waterway provided with a pump, so that the washing water in the water collecting tank is conveyed to the spray arm through the water supply waterway, and the sprayed washing water sprayed by the spray arm is used for waiting for washing water objects to be washed on the tableware placed on the shelf 1 and then flows back downwards to the water collecting tank so as to form circulation, and the purpose of spraying and cleaning the tableware placed on the shelf 1 in the dishwasher liner 300 is further ensured.

In the embodiment of the invention, at least one dish washer shelf is arranged in the inner container of the dish washer, and the dish washer can have a plurality of working modes, but in at least one mode, the water supply flow provided by the dish washer for the spray arm is enough to ensure that the water flow sprayed by the spray arm 3 can cover the whole range of the shelf 1.

Meanwhile, in the embodiment of the invention, the dish washer further comprises a local reinforced washing structure 4 which is arranged on the inner wall of the washing cavity 100 and is communicated with the water supply structure 500 of the dish washer in an on-off way through the control valve structure 5, and water flow sprayed by the local reinforced washing structure 4 covers the local range of the shelf 1 so as to realize the effect of locally reinforced washing the tableware waiting for washing articles placed in the local area designated by the shelf 1.

In the embodiment of the invention, in order to promote the local enhanced washing effect, the dish washer can be provided with the following steps:

as shown in fig. 10, any one, part or all of the side walls, the top wall and the bottom wall of the washing cavity 100 is respectively provided with at least one local reinforced washing structure 4, so that the local reinforced washing structure 4 arranged at a single direction or a plurality of combined directions is utilized to carry out omnibearing spray washing on a designated local area on the shelf 1, and the effect of local reinforced washing is greatly improved;

meanwhile, each local enhanced washing structure 4 additionally arranged on the inner wall of the washing cavity 100 can spray washing water to the same, or partially overlapped, or different local areas on the shelf 1, so that a mode of combining various water flows is realized, corresponding local enhanced washing is carried out on different types of articles to be washed with different specifications, and further, the washing cleanliness of the local enhanced washing is greatly improved.

As shown in fig. 11, in the embodiment of the present invention, a liner 300 is provided in a dishwasher body, and one side of the liner 300 is provided with a liner opening; a door body 400 capable of opening and closing the opening of the inner container is arranged on the dish washer body, and the door body 400 and the inner container 300 jointly enclose a washing cavity 100; preferably, the shelf 1 can be pulled out or pushed in from the opening of the inner container 300 of the door 400, so as to achieve the effect of taking and placing the articles to be washed on the shelf 1 arranged in the washing cavity 100; meanwhile, at least one local reinforcing washing structure 4 is arranged on one side (as shown in fig. 11) of the door body 400 of the dish washer facing the inside of the washing cavity 100 and/or on the inner wall side (as shown in fig. 10) of the inner container 300, so that the local reinforcing washing structures 4 are respectively additionally arranged on different parts of the dish washer, and the remarkable progress of diversified arrangement and reasonable layout of the local reinforcing washing structures 4 is realized.

In addition, in the embodiment of the invention, each local enhanced washing structure 4 is respectively communicated with the water supply structure 500 of the dish washer through the water supply waterway 200, and the water supply waterway 200 is provided with a control valve structure 5 for controlling the water flow on-off of the water supply to each local enhanced washing structure 4.

In the embodiment of the present invention, the control valve structure 5 may be any existing structure capable of controlling on-off of a pipeline: for example: as shown in fig. 3, a control valve 51 is added to the water supply channel 200, and the water supply channel 51 controls the on/off of the water supply flow to each local reinforcing washing structure 4 by the control valve 51. Meanwhile, in the present invention, at least part of the local enhanced washing structures 4 may be respectively disposed on different water supply waterways 200, and each water supply waterway 200 is communicated with the same water supply structure 500 of the dishwasher; each water supply waterway 200 is respectively provided with a control valve 51 for controlling the on-off of a pipeline so as to realize the on-off switching control of different water supply waterways 200 and the same water supply structure 500. In the invention, at least part of the local enhanced washing structures 4 can be arranged on the same water supply water path, a plurality of flow passages are arranged in the water supply water path 200, and the flow passages are respectively communicated with the different local enhanced washing structures 4 and the water supply structure 500 of the dish washer in a one-to-one opposite way; the control valves 51 for controlling the on-off of the flow channels are respectively arranged on the flow channels, so that the on-off switching control of different local reinforced washing structures 4 and the same water supply structure 500 on the same water supply waterway 200 can be naturally realized. Preferably, the spray arm 3 is also communicated with the water supply structure 500 of the dish washer through the same water supply waterway 200, and a control valve 51 for controlling the on-off of the water flow of the spray arm 3 is arranged on the spray arm 3 and/or the water supply waterway 200.

Of course, the control valve structure 5 in the present invention is not limited to the above-described structure, and other structures in the prior art may be adopted: for example, the water supply waterways 200 are communicated with the same water supply structure 500 through the switching valves, and the combination switching of the water supply on-off of the different water supply waterways 200 is realized by utilizing the switching of the on-off state of the switching valves, so that the effect of controlling the water supply on-off of the plurality of local reinforcing washing structures 4 can be still achieved.

In the embodiment of the present invention, the local reinforcing and washing structure 4 may be any structure for implementing spray washing on a local area of the shelf 1, and of course, the form of the local reinforcing and washing structure 4 described in the following embodiment of the present invention may also be adopted; for example, the following are possible:

in the embodiment of the invention, the local reinforced washing structure 4 can be directly arranged on the inner wall of the washing cavity 100 or can be arranged on the water supply waterway 200 fixedly arranged on the cavity wall of the washing cavity 100; preferably, the following description will be made for convenience of description taking a structure in which the locally reinforced washing structure 4 is mounted on the water supply path 200 protruding and assembled to the inside of the chamber on the inner wall of the washing chamber 100 as an example:

the water supply waterway 200 is provided with a water outlet 23, a water spraying assembly 40 is arranged at the water outlet, the water supply waterway 200 part with the water outlet 23 relatively communicated forms a spray washing cavity 44, and washing water flowing into the spray washing cavity 44 by the water supply waterway 200 is sprayed to a designated local area of the shelf 1 through the water spraying assembly 40 at the water outlet 23.

In the embodiment of the present invention, the local reinforcing and washing structure 4 may be any structure capable of implementing spray washing on a local area of the shelf 1 in the prior art; the localized reinforcing wash structure 4 includes, but is not limited to, a first localized reinforcing wash structure 41, a second localized reinforcing wash structure 42, a third localized reinforcing wash structure 43, and so on.

As shown in fig. 8 and 9, in the embodiment of the present invention, the water spraying assembly 40 of the first local enhanced washing structure 41 includes a water wheel 411, and the water wheel 411 is freely rotatable around a rotation shaft 412 and coaxially installed at the water outlet 23 of the water supply channel 200; the gaps between adjacent blades of the water wheel 411 form a water spray outlet 413, and the water spray outlet 413 sprays and flows out the water in the spray cavity 44 to the shelf 1 so as to realize the effect of spray cleaning of the appointed local area.

The fan blades 414 of the water wheel 411 of the first local reinforced washing structure 41 extend radially along the water outlet 23, the fan blades 414 are bent along the circumferential direction of the water outlet 23, the water flow flowing out of the water outlet 23 impacts the bent fan blades 414 to push the water wheel 411 to generate autorotation, and the water flow is sprayed to the shelf 1 from the water spray outlet 413 between the adjacent fan blades 414 of the rotating water wheel 411 in a divergent manner, so that divergent sprayed water flows are formed, and the effects of enriching water flow diversity and cleaning local areas of the shelf are further realized. Preferably, in order to enhance the water-saving effect of the water wheel 411, the water wheel 411 is generally coaxially disposed at the water outlet 23, a rotating shaft 412 connected to the water supply channel 200 and coaxially disposed at the water outlet 23 is disposed at the axis of the water outlet 23, and the water wheel 411 is coaxially and rotatably mounted on the rotating shaft 412.

As shown in fig. 1 to 7, in the embodiment of the present invention, the water spraying assembly 40 of the second local reinforcing washing structure 42 includes a rotary spray head 421 rotatably mounted coaxially around a shaft at the water outlet 23 of the water supply waterway 200;

the rotary nozzle 421 is provided with a plurality of water spray outlets 423, each water spray outlet 423 extends along different tangential directions of the water outlet 23, and each water spray outlet 423 discharges water in the same circumferential direction of the water outlet 23, so that the water flow sprayed by each water spray outlet 423 provides thrust in a single rotation direction to the rotary nozzle 421, the rotary nozzle 421 is pushed to rotate around the shaft, and the water flow sprayed by the water spray outlet 423 is enabled to rotate at the same time of the rotary nozzle 421, so that the spraying cleaning of the divergent water flow of the local area appointed by the shelf is realized.

Preferably, the rotary nozzle 421 is a cylindrical housing, on which a plurality of groups of water spraying outlets 423 are arranged, and each group of water spraying outlets 423 is symmetrically arranged relative to the axis of the cylindrical housing; each set of water spray outlets 423 includes a first water spray outlet 423 extending in a tangential direction of the cylindrical housing or in a direction inclined to the tangential direction to provide spray power to the rotary spray heads 421; and a second water spray outlet 423 extending in an axial direction of the cylindrical housing or in an inclined direction to the axial direction to supply spray water to the shelf main body 1 above the rotary spray head 421. Further preferably, the axial direction of the first water spraying outlet 423 is inclined upwards, and the aperture of the first water spraying outlet 423 is a tapered hole gradually narrowed towards the water flow direction, so as to further promote the water flow jet recoil force.

In order to enhance the divergent effect of the water jet injected from the rotary nozzle 421, the following arrangement may be made: the water supply waterway 200 is provided with a water scattering support 422, the water scattering support 422 and the outer wall of the water supply waterway 200 jointly enclose an installation space, and the rotary spray nozzle 421 is arranged in the installation space; the water scattering support 422 is composed of a plurality of strip-shaped water blocking ribs 4221, at least part of the strip-shaped water blocking ribs 4221 extend along the parallel direction of the axis of the water outlet, and the strip-shaped water blocking ribs 4221 are all positioned at the periphery of the water outlet 23 and are distributed at intervals along the circumferential direction of the water outlet 23; the water outlet 423 of the rotary nozzle 421 sprays at least part of the water flow of the water flowing out to the bar-shaped water blocking ribs 4221 for forming divergent water flow with increased coverage, so that the water flow sprayed by the rotary nozzle is blocked and interfered by the water blocking ribs of the water scattering bracket to further enrich the water flow form and improve the water flow coverage.

The bar-shaped water blocking rib 4221 of the water scattering support 422 includes a vertical extension portion 4227 and a horizontal interference portion 4228; the vertical extension 4227 extends along the parallel direction of the axis of the water outlet 23, one end of the vertical extension is connected with the outer wall of the water supply waterway 200, and the other end of the vertical extension protrudes out of the upper end surface of the nozzle 421; preferably, in order to enrich the water spraying effect of the rotary sprayer 421, the water blocking ribs 4221 may be curved to further enrich the form of water spraying flow after interference; the horizontal interference part 4228 extends in a height plane parallel to the water outlet 23, the horizontal interference part 4228 extends in a straight line or in a bending way along the radial direction of the water outlet 23, one end of the horizontal interference part 4228 is connected with the corresponding vertical extension part 4227, and the other end is connected with other horizontal interference parts 4228 in an intersecting way; preferably, the junction of each horizontal interference portion 4228 is located on the axis of the water outlet 23; likewise, in order to further enrich the form of the post-interference water jet, it is preferable to bend and extend the horizontal interference portion 4228 along the radial direction of the water outlet 23, so that different bending portions of the horizontal interference portion 4228 can interfere with the water jet, thereby improving the divergence effect.

The water dispersion support 422 comprises a mounting part 4222 connected with the water supply waterway 200, the mounting part 4222 is provided with a hollowed-out opening 4223 which is coaxial with the water outlet 23 and has a larger radial dimension, and the lower end of each vertical extension part 4227 is connected with the mounting part 4222; the mounting portions 4222 on both sides of the hollow opening 4223 are respectively buckled and fixed with the water supply waterway 200.

The fastening portion 4210 of the mounting portion 4222 is provided with bayonet 4229 opened to opposite sides, and the outer walls of the two sides of the water supply channel 200 are respectively provided with bayonet 4224 correspondingly engaged with the bayonet 4229. Further, the mounting portion 4222 is fastened to the water supply channel 200 formed by the square pipes, the mounting portion 4222 is a groove structure correspondingly covering the upper side and the left side and the right side of the square water supply channel 200, two side corners of the groove structure are respectively provided with a bayonet 4229, the bayonet 4229 on two sides is in one-to-one correspondence with the bayonet 4224 protruding outwards at the corner of the water supply channel 200, and therefore the mounting portion 4222 is fixedly assembled in two directions of the water supply channel 200 in the axial direction and the radial direction.

Meanwhile, in order to ensure the convenience of the assembly of the water supply waterway 200 with the water dispersion support 422, a pre-positioning structure is additionally installed: the fastening parts 4210 of the mounting parts 4222 on both sides of the water dispersion support 422 are respectively provided with a positioning hole 4225 opened towards the shelf 1, and the outer wall of the water supply waterway 200 is provided with a positioning column 4226 correspondingly inserted into the positioning holes 4225. The positioning hole 4225 is disposed on the fitting side of the groove-shaped mounting portion 4222 and the upper wall surface of the water supply channel 200; preferably, the positioning hole 4225 is located in the center region of the attaching side.

As shown in fig. 1 to 9, in the embodiment of the present invention, the water spraying assembly 40 of the third local enhanced washing structure 43 includes a nozzle 431, a strip-shaped water spraying outlet 432 opened toward one side is provided on the nozzle 431, the nozzle 431 is installed at the water outlet 23, and water in the spraying cavity 44 is sprayed to a designated local area of the rack 1 through the water spraying outlet 432 on the nozzle 431, so as to achieve the effect of enhanced washing of the tableware placed in the designated area on the rack.

Meanwhile, in order to realize the divergence of water jet flow of the nozzle, the spray range is enlarged, and the local cleaning effect is improved, the following settings can be carried out: install the breakwater 433 on the water supply water route 200, the breakwater 433 is located the nozzle 431 periphery, with the relative arrangement of water spray outlet 432, water spray outlet 432 spun rivers at least partly spray to the breakwater 433, receive the breakwater 433 to stop the divergent rivers that form the increase range of spraying, utilize divergent rivers to spray the washing to the appointed region on the shelf 1, further promoted the cleaning performance that local enhancement was washed.

In the embodiment of the invention, the specific arrangement and arrangement mode of the local reinforced washing structure 4 can be at any one or a plurality of positions which are combined at random in the washing cavity; for example, as follows, but is not limited to the following embodiments:

as shown in fig. 1 to 9, a first water supply waterway 211 and a second water supply waterway 212 which are respectively protruded and extended from the left side and the right side are connected to the middle part of a main water supply waterway 2 which is vertically extended from the back side of the inner container of the dish washer, and the first water supply waterway 211 and the second water supply waterway 212 are perpendicular to the main water supply waterway 2; at least one water outlet 23 provided with a local reinforcing washing structure 4 is arranged on the first water supply waterway 211 and the second water supply waterway 212 respectively so as to spray water to wash different local areas of the upper shelf 1.

Meanwhile, the front end of the main water supply waterway 2 is connected with a third water supply waterway 213 which protrudes and extends towards the left side and the right side, the middle part of the third water supply waterway 213 is connected with the front end of the main water supply waterway 2, the two ends of the third water supply waterway 213 are respectively and closely arranged, and the third water supply waterway 213 is vertical to the main water supply waterway 2; the third water supply channel 213 is provided with at least one water outlet 23 provided with a local reinforcing washing structure 4 on the left and right sides of the main water supply channel 2, respectively, so as to spray water to clean the front local area of the upper shelf 1.

Preferably, a first local reinforcing washing structure 41 (shown in fig. 8 and 9) and/or a second local reinforcing washing structure 42 (shown in fig. 1 to 7) are provided at the adjacent areas of the left and right ends of the third water supply path 213, respectively; and at least one third local reinforced washing structure 43 is respectively arranged on the third water supply channel, the first water supply channel and the second water supply channel, and the water spraying directions of the third local reinforced washing structures 43 on the same water supply channel face different directions.

In the embodiment of the invention, in order to realize the purpose of regulating the pressure of water flows in different water supply waterways, the following settings are specially carried out: the upstream part of the main water supply waterway 2 at the joint of the main water supply waterway 2 and each branch water supply waterway 21 is respectively provided with a bending part 22 for changing the height of the water pipe, and the inlet of each bending part 22 is lower than the outlet so as to enable the water flow flowing to the downstream to carry out the pressurization treatment; meanwhile, in order to cooperate with the pressurizing effect, the main water supply waterway 2 is also improved in such a way that the pipe diameter of the main water supply waterway at the downstream part of each bending part is smaller than that of the main water supply waterway at the upstream part, so that the water flow pressure of the downstream small water quantity is improved, and the water outlet pressure of the local reinforced washing structure at the downstream branch water supply waterway is ensured.

In the embodiment of the present invention, the control valve structure 5 may take the following form: as shown in fig. 3, a control valve 51 is respectively arranged at the connection part of the main water supply waterway 2 and each branch water supply waterway 21, and is used for controlling the on-off of the waterway in the main water supply waterway 2 and the waterway in the corresponding branch water supply waterway 21; and/or each water outlet 23 of the branch water supply waterway 21 is respectively provided with a control valve 51 for controlling the opening and closing of each water outlet 23 so as to realize the effect of selectively, partially or completely controlling the on-off of the local reinforced washing structure 4 arranged at each water outlet 23.

In the embodiment of the present invention, the control valve structure 5 may also take the following form: the main water supply waterway 2 is provided with a plurality of flow passages, each flow passage is respectively communicated with different branch water supply waterways 21 one by one, and each flow passage is respectively provided with a control valve 51 for controlling the on-off of the flow passage; and/or, a plurality of branch flow passages are arranged in the branch water supply waterway 21, each branch flow passage is respectively communicated with different water outlets 23 one by one, and each branch flow passage is respectively provided with a control valve 51 for controlling the on-off of the branch flow passage, so that the effect of alternatively, partially or completely controlling the on-off of the local reinforcing washing structure 4 arranged at each water outlet 23 can be realized.

In the embodiment of the present invention, each control valve 51 may be any valve body structure in the prior art, and may adopt an electric control mode, a manual control mode, or may be integrated with an electric control and manual control mode; meanwhile, in order to facilitate the user to open and close the local enhanced washing structure, as shown in fig. 3, when the control valves 51 have at least a manual control function, the manual control switches of the control valves 51 are exposed on one side of the main water supply waterway 2 or the branch water supply waterway 21 facing the inside of the washing cavity, and are not interfered with the shelf 1, so that the user can conveniently and manually open and close the washing structure.

The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.

Claims (16)

1. A dish washer, comprising a dish washer,

a washing chamber (100) provided in the dishwasher body;

a shelf (1) which is arranged in the washing cavity and is provided with a space for placing tableware;

the method is characterized in that:

the spray arm (3) is arranged in the washing cavity (100) and sprays washing water to the tableware placed on the shelf (1);

the local reinforced washing structure (4) is arranged on the inner wall of the washing cavity (100) and sprays washing water to the tableware placed in the local area of the shelf (1).

2. A dishwasher as in claim 1, wherein,

any one, part or all of the side walls, the top wall and the bottom wall of the washing cavity (100) is respectively provided with at least one local reinforced washing structure (4);

the local reinforcing washing structures (4) spray washing water to the same, or partially overlapped, or different local areas on the shelf (1).

3. A dishwasher as in claim 2, wherein,

the dishwasher body is internally provided with an inner container (300), and one side of the inner container (300) is provided with an inner container opening; a door body (400) capable of opening and closing the opening of the inner container is arranged on the dish washer body, and the door body (400) and the inner container (300) jointly enclose a washing cavity (100);

at least one local reinforced washing structure (4) is arranged on one side of the door body (400) facing the inside of the washing cavity (100) and/or the inner wall side of the inner container (300).

4. A dishwasher according to any one of claims 1 to 3, characterized in that,

each local reinforced washing structure (4) is respectively communicated with a water supply structure (500) of the dish washer through a water supply waterway (200), and a control valve structure (5) for controlling the water supply flow on-off of each local reinforced washing structure (4) is arranged on the water supply waterway (200).

5. A dishwasher according to claim 4, characterized in that,

at least part of the local reinforced washing structures (4) are respectively arranged on different water supply waterways (200), and each water supply waterway (200) is communicated with the water supply structure (500) of the same dish-washing machine; control valves (51) for controlling the on-off of the pipelines are respectively arranged on the water supply waterways (200).

6. A dishwasher according to claim 4 or 5, characterized in that,

at least two local reinforced washing structures (4) are arranged on the same water supply waterway (200), a plurality of flow passages are arranged in the water supply waterway (200), and the flow passages are respectively communicated with different local reinforced washing structures (4) and a water supply structure (500) of the dish washer in a one-to-one opposite way; and each flow passage is respectively provided with a control valve (51) for controlling the on-off of the flow passage.

7. A dishwasher according to any one of claims 1 to 6, characterized in that,

the inner wall of the chamber of the washing cavity (100) is provided with a water supply waterway (200), the water supply waterway (200) is provided with a water outlet (23) which is arranged towards the shelf (1), the water outlet (23) is provided with a water spraying component (40) for spraying water in a spraying cavity (44) which is arranged in the water supply waterway (200) and is communicated with the water outlet (23) to a local range of the shelf (1) so as to form a local reinforced washing structure (4).

8. A dishwasher rack as in claim 7, wherein,

the water spraying assembly (40) comprises a rotary spray head (421) which can freely rotate around a shaft and is coaxially arranged at a water outlet (23) of the water supply waterway (21);

a plurality of water spray outlets (423) are formed in the rotary spray head (421), each water spray outlet (423) extends along different tangential directions of the water outlet (23), water is discharged from each water spray outlet (423) towards the same circumferential direction of the water outlet (23), and water flow sprayed by each water spray outlet (423) provides thrust in a single rotary direction for the rotary spray head (421) so as to push the rotary spray head (421) to rotate around the shaft.

9. A dishwasher rack as in claim 8, wherein,

a water scattering bracket (422) is arranged on the water supply waterway (21), the water scattering bracket (422) and the outer wall of the water supply waterway (21) jointly enclose an installation space, and the spray head (421) is arranged in the installation space;

the water scattering support (422) is composed of a plurality of water blocking ribs (4221), and water outlet flows sprayed out from the water spraying outlets (423) of the rotary spray heads (421) are at least partially sprayed onto the strip-shaped water blocking ribs (4221) to form divergent water flows with enlarged coverage areas.

10. A dishwasher rack as in claim 9, wherein,

at least part of the strip-shaped water retaining ribs (4221) extend along the parallel direction of the axis of the water outlet (23), and the strip-shaped water retaining ribs (4221) are all positioned at the periphery of the water outlet (23) and are distributed at intervals along the circumferential direction of the water outlet (23).

11. A dishwasher rack as in claim 10, wherein,

the strip-shaped water retaining ribs (4221) comprise vertical extending parts (4227) and horizontal interference parts (4228), and water outlet flows sprayed and discharged from water spraying outlets (423) of the rotary spray heads (421) are at least partially sprayed to the vertical extending parts (4227) and/or at least partially sprayed to the horizontal interference parts (4228).

12. A dishwasher rack as in claim 11, wherein,

the vertical extension part (4227) extends linearly or curvilinearly along the parallel direction of the axis of the water outlet (23), one end of the vertical extension part is connected with the outer wall of the water supply waterway (21), and the other end of the vertical extension part protrudes out of the upper end surface of the rotary spray head (421);

the horizontal interference part (4228) extends in a height plane parallel to the water outlet (23), the horizontal interference part (4228) extends in a straight line or curve along the radial direction of the water outlet (23), one end of the horizontal interference part (4228) is connected with the corresponding vertical extension part (4227), and the other end is connected with other horizontal interference parts (4228) in an intersecting way.

13. A dishwasher rack as in any one of claims 9 to 12, wherein,

the water scattering support (422) comprises a mounting part (4222) connected with the water supply waterway (21), the mounting part (4222) is provided with hollowed-out openings (4223) which are coaxial with the water outlet (23) and have larger radial sizes, and the lower ends of the vertical extension parts (4227) are connected with the mounting part (4222);

the mounting parts (423) at two sides of the hollowed-out opening (4223) are buckling parts (4210) which are buckled and fixed with the water supply waterway (21) respectively.

14. The dishwasher rack of claim 13, wherein,

the hollow opening (4223) is a round hole with a larger radial size coaxial with the water outlet, a plurality of water retaining ribs (4221) are arranged on the periphery of the hollow opening (4223) at equal interval angles, and the lower end of each water retaining rib (4221) is connected with a mounting part (4222) on the periphery of the hollow opening (4223).

15. The dishwasher rack of claim 14, wherein,

the buckling part (4210) of the mounting part (423) is provided with bayonets (4229) respectively opened to two opposite sides, and the outer walls of the two sides of the water supply waterway (21) are respectively provided with buckles (4224) correspondingly buckled in the bayonets (4229).

16. The dishwasher rack of claim 14, wherein,

the buckling parts (4210) on two sides of the mounting part (423) are respectively provided with a positioning hole (4225) which is opened towards the shelf (1), and the outer wall of the water supply waterway (21) is provided with a positioning column (4226) which is correspondingly inserted into the positioning holes (4225).