阅读说明：本技术 一种洗碗机的喷淋结构 (Spraying structure of dish washing machine ) 是由 李涛 杨林 宋华诚 王科 刘维彤 许文强 于 2020-04-21 设计创作，主要内容包括：本发明公开了一种洗碗机的喷淋结构,包括：供水组件；引水组件,将供水组件的水流引导至喷淋组件；所述引水组件具有与所述供水组件的出水端相配合的导向接口结构,所述导向接口结构自远离所述供水组件侧向靠近所述供水组件侧呈逐渐向外扩张的外扩结构。本发明公开的洗碗机喷淋结构,通过在引水孔外周设置的导向接口结构起到很好的导向作用,降低了引水组件与供水组件配合的难度,所述引水组件的引水孔与供水组件的出水端在导向接口结构的导向下能够高效快速地配合对接,有效地避免了现有的喷淋结构调节盖上的引水孔与供水管的出水端之间很难精准地对接,导致供水管与对应的引水孔对接不上无法连通,影响正常使用的现象。(The invention discloses a spraying structure of dish washer, comprising: a water supply assembly; the water diversion assembly guides the water flow of the water supply assembly to the spraying assembly; the diversion assembly is provided with a guide interface structure matched with the water outlet end of the water supply assembly, and the guide interface structure is an outward expansion structure gradually expanding outwards from a position far away from the side direction of the water supply assembly close to the side of the water supply assembly. According to the spraying structure of the dish washing machine, the guide interface structure arranged on the periphery of the water diversion hole plays a good role in guiding, the difficulty in matching the water diversion assembly and the water supply assembly is reduced, the water diversion hole of the water diversion assembly and the water outlet end of the water supply assembly can be efficiently and quickly matched and butted under the guide of the guide interface structure, and the phenomenon that the water supply pipe cannot be communicated with the corresponding water diversion hole due to the fact that the water diversion hole on the adjusting cover of the existing spraying structure is difficult to accurately butted with the water outlet end of the water supply pipe and normal use is affected is effectively avoided.)

1. A spraying structure of a dish washing machine is characterized in that: comprises that

A water supply assembly;

the water diversion assembly guides the water flow of the water supply assembly to the spraying assembly;

the diversion assembly is provided with a guide interface structure matched with the water outlet end of the water supply assembly, and the guide interface structure is an outward expansion structure gradually expanding outwards from a position far away from the side direction of the water supply assembly close to the side of the water supply assembly.

2. The spray structure of a dishwasher according to claim 1, wherein:

the diversion assembly comprises an adjusting cover which is connected with the water inlet end of the spraying assembly in a sealing mode, a diversion hole is formed in the adjusting cover, the guide interface structure is arranged on the periphery of the diversion hole, and the opening faces the water supply assembly.

3. The spray structure of a dishwasher according to claim 2, wherein:

a plurality of water diversion holes are formed in different positions of the adjusting cover, and a plurality of guide interface structures are correspondingly arranged on the peripheries of the water diversion holes respectively;

preferably, a plurality of the guide interface structures are connected into a whole and are integrally formed with the adjusting cover.

4. The spray structure of a dishwasher according to claim 2, wherein:

the guide interface structure comprises a connecting part connected to the circumferential direction of the water diversion hole and an outer expanding part connected to the outer edge of the connecting part and having an inner diameter gradually increased.

5. The spray structure of a dishwasher according to any one of claims 1 to 4, wherein:

the water supply assembly comprises a hollow insertion part which is arranged at the water outlet end of the water supply assembly and can extend into the guide interface structure, and a sealing ring is arranged on the periphery of the hollow insertion part.

6. The spray structure of a dishwasher according to claim 5, wherein:

the hollow insertion part comprises an insertion section connected to the water supply assembly and a guide section connected to the end part of the insertion section and having a gradually reduced inner diameter, and the sealing ring is arranged on the outer peripheral wall of the end part of the cylindrical section close to the side of the guide section.

7. The spray structure of a dishwasher according to claim 5, wherein:

the water supply assembly comprises a water supply pipe, and the hollow insertion part is a partial structure of the water supply pipe;

or the water supply assembly comprises a water supply pipe and a guide piece arranged at the water outlet end of the water supply pipe, and the hollow insertion part is a partial structure of the guide piece;

the side wall of the water supply pipe is provided with a water outlet, the circumferential inclination of the water outlet inwards extends to form a convex water outlet nozzle, the guide piece further comprises an annular matching surface coated on the outer circumferential wall of the water outlet nozzle and an installation part formed by outwards extending the circumferential edge of one side of the annular matching surface and fixed on the circumferential wall of the water supply pipe, and the circumferential edge of the other side of the annular matching surface is connected to the circumferential edge of the hollow insertion part.

8. The spray structure of a dishwasher according to claim 2, wherein:

the water diversion assembly further comprises a one-way valve structure arranged between the water inlet end of the spraying assembly and the adjusting cover, and the one-way valve structure is coated on the periphery of the adjusting cover.

9. The spray structure of a dishwasher according to claim 8, wherein:

the one-way valve structure comprises a valve seat and a one-way valve plate, a plurality of mounting holes are formed in the position, corresponding to the water diversion hole, of the valve seat, and the one-way valve plate is mounted in the mounting holes;

the outer edge of the valve seat horizontally extends towards the direction of the adjusting cover and then is bent towards the center direction of the valve seat to form an accommodating space which can coat the adjusting cover.

10. The spray structure of a dishwasher according to claim 1, wherein:

the direction interface structure with be provided with a sealing member between spray assembly's the water supply connector, the sealing member cladding is at least partial on the periphery wall of direction interface structure.

Technical Field

The invention relates to the technical field of dish washing machines, in particular to a spraying structure of a dish washing machine.

Background

The washing structure used by the existing dish washing machine is generally a rotatable sprayer positioned below or above the whole shelf, washing water is sprayed out from a nozzle of the sprayer to wash the tableware, and the reaction force of the sprayed water pushes the sprayer to rotate so as to drive the washing liquid to spray and wash the tableware in the whole shelf. When the shelf tableware is placed eccentrically or assembled to have deviation, the center of an opening of the middle spray pipe cannot be aligned with the center of the spray arm interface, and the problem of water leakage or incapability of closing a door body of the dishwasher due to incomplete coupling can be caused in the operation process.

Because spray pipe and leading water pipe cooperation do not have the adjustment structure in the current, when the shelf tableware was placed the off-centre or the assembly and is caused well water spray way and leading water pipe coupling department not at same height, the shelf can't correctly install in the dish washer, can cause the coupling to go out to leak, sprays the water yield and lacks unable rotation or the washing water yield descends, and washing effect reduces. In addition, the rack may not be pushed into the dishwasher, the dishwasher may not close the door, and washing water may leak from the door or washing steam may be generated.

The invention patent with application number 201810971877.3 discloses a water diversion mechanism of a sprayer and a dish washing machine, which comprises a spray arm, a water diversion mechanism and a dish washing machine, wherein the spray arm is adjusted and moved among a plurality of different positions; a water supply pipe fixedly provided; install the rotatable formula diversion spare on the spray arm, be equipped with a plurality of different inlet openings on the diversion spare, the diversion spare can rotate along circumference relative the spray arm to corresponding inlet opening and delivery pipe on the diversion spare are linked together when making the spray arm be in different positions. The sprinkler diversion mechanism that this application was disclosed through set up the sprinkler diversion mechanism including rotatable formula diversion mechanism in dishwasher, thereby position about the difference adjustment of the tableware in the dishwasher can be followed to sprinkler diversion mechanism, makes the shelf in the dishwasher to carry out the regulation removal of position about then. However, in the sprinkler water diversion mechanism disclosed in the application, the water inlet hole on the water diversion member is difficult to be accurately butted with the water inlet nozzle of the water supply pipe, if the positions of the water inlet hole and the water inlet nozzle are slightly deviated, the water supply pipe and the corresponding water inlet hole cannot be butted and communicated, and the normal use is affected.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a spraying structure of a dish washing machine.

In order to achieve the purpose, according to one aspect of the invention, the following technical scheme is adopted:

a spraying structure of a dish washer comprises

A water supply assembly;

the water diversion assembly guides the water flow of the water supply assembly to the spraying assembly;

the diversion assembly is provided with a guide interface structure matched with the water outlet end of the water supply assembly, and the guide interface structure is an outward expansion structure gradually expanding outwards from a position far away from the side direction of the water supply assembly close to the side of the water supply assembly.

Furthermore, the diversion subassembly includes the regulation lid with the end sealing connection that intakes of the subassembly that sprays, the diversion hole has been seted up to the regulation lid, direction interface structure sets up the periphery in diversion hole, the opening orientation supply water subassembly.

Furthermore, a plurality of water diversion holes are formed in different positions of the adjusting cover, and a plurality of guide interface structures are correspondingly arranged on the peripheries of the water diversion holes respectively;

preferably, a plurality of the guide interface structures are connected into a whole and are integrally formed with the adjusting cover.

Further, the direction interface structure is including connecting in the circumference of diversion hole is ascending connecting portion and connecting the outer portion that expands that the border internal diameter gradually increases outside connecting portion.

Furthermore, the water supply assembly comprises a hollow insertion part which is arranged at the water outlet end of the water supply assembly and can extend into the guide interface structure, and a sealing ring is arranged on the periphery of the hollow insertion part.

Further, cavity grafting portion is including connecting the unchangeable grafting section of internal diameter on the water supply subassembly and connecting the direction section that the internal diameter on the grafting section tip reduces gradually, the sealing washer sets up on the column section is close to on the tip periphery wall of direction section side.

Further, the water supply assembly comprises a water supply pipe, and the hollow insertion part is a partial structure of the water supply pipe;

or the water supply assembly comprises a water supply pipe and a guide piece arranged at the water outlet end of the water supply pipe, and the hollow insertion part is a partial structure of the guide piece;

the side wall of the water supply pipe is provided with a water outlet, the circumferential inclination of the water outlet inwards extends to form a convex water outlet nozzle, the guide piece further comprises an annular matching surface coated on the outer circumferential wall of the water outlet nozzle and an installation part formed by outwards extending the circumferential edge of one side of the annular matching surface and fixed on the circumferential wall of the water supply pipe, and the circumferential edge of the other side of the annular matching surface is connected to the circumferential edge of the hollow insertion part.

Further, the diversion subassembly still includes one setting at the end of intaking of spray set and the check valve structure between the regulation lid, the check valve structure cladding is in the periphery of regulation lid.

Furthermore, the one-way valve structure comprises a valve seat and a one-way valve plate, a plurality of mounting holes are formed in the position, corresponding to the water diversion hole, of the valve seat, and the one-way valve plate is mounted in the mounting holes;

the outer edge of the valve seat horizontally extends towards the direction of the adjusting cover and then is bent towards the center direction of the valve seat to form an accommodating space which can coat the adjusting cover.

Furthermore, a sealing element is arranged between the guide interface structure and a water inlet joint of the spraying assembly, and at least part of the sealing element is coated on the peripheral wall of the guide interface structure.

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

1. the spraying structure of the dish-washing machine provided by the invention is provided with the guide interface structure on the water diversion hole of the adjusting cover, the guide interface structure is an outward expansion structure which gradually expands outwards from the side far away from the water supply assembly to the side close to the water supply assembly, the guiding interface structure plays a good role in guiding, the difficulty of matching the adjusting cover with the water outlet end of the water supply assembly is reduced by the guiding interface structure, as long as the water outlet end of the water supply assembly falls into the internal space range of the guiding interface structure, the diversion hole of adjusting the lid just can with the play water end of water supply component high-efficient cooperation butt joint fast under the direction of direction interface structure has avoided current spraying structure to adjust the diversion hole of covering and the play water end of water supply component between hardly docking accurately effectively, leads to the phenomenon that the water outlet end of water supply component and the diversion hole that corresponds do not dock and can't feed through.

2. According to the spraying structure of the dish washing machine, the sealing ring is arranged on the peripheral wall of the hollow insertion part at the water outlet end of the water supply assembly, so that the phenomenon that water leaks out from a gap between the guide interface structure and the hollow insertion part is effectively avoided; the one-way valve structure is coated on the periphery of the adjusting cover, and the one-way valve structure can effectively avoid the phenomenon that water is leaked from the peripheral edge of the adjusting cover while ensuring the one-way circulation of water, so that a certain sealing effect is achieved; according to the invention, the sealing element is arranged on the peripheral wall of the guide interface structure and is hermetically connected between the peripheral wall of the guide interface structure and the water inlet end of the spraying assembly, so that the phenomenon that water flow can flow out from a gap between the water diversion assembly and the water inlet end of the spraying assembly is effectively avoided, and the whole spraying structure has better sealing property.

Drawings

FIG. 1 is an exploded view of a spray structure in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a spray structure of an embodiment of the present invention prior to assembly;

FIG. 3 is a schematic cross-sectional view of an assembled spray structure in an embodiment of the present invention;

FIG. 4 is a partial schematic structural view of a water supply assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of a seal in an embodiment of the present invention;

FIG. 6 is a schematic structural view of a seal cap and guide interface structure in an embodiment of the present invention;

FIG. 7 is a schematic structural view of a check valve structure in an embodiment of the present invention;

wherein:

1. a water supply assembly;

11. a water supply pipe; 111. a water outlet nozzle; 112. a third clamping table;

12. a guide member; 121. a hollow insertion part; 1211. a plug section; 1212. a guide section; 122. an annular mating surface; 123. an installation part; 1231. a third card slot;

13. a seal ring;

2. a water diversion assembly;

21. a seal member; 211. an annular seal body; 212. a second chuck table;

22. a guide interface structure; 221. a connecting portion; 222. an outward expansion part;

23. an adjusting cover; 231. a water diversion hole; 232. a first chuck table;

24. a one-way valve structure; 241. a valve seat; 2411. a valve seat body; 2412. an annular extension surface; 24121. a first card slot; 2413. limiting and flanging; 24131. an annular projection; 242. a valve plate;

3. a spray assembly;

31. a middle water spray pipe;

32. a middle spray pipe fixing part;

33. a spray arm;

34. a water inlet joint; 341. and a second card slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 7, the present invention provides a spray structure of a dishwasher, comprising: a spray assembly 3, said spray assembly 3 comprising a spray arm 33 rotatably disposed inside the washing chamber of the dishwasher to spray washing water towards the dishes inside the rack; the water supply assembly 1 is connected with a water source and provides spraying water for the spraying assembly 3; the water diversion assembly 2 is used for guiding the water flow of the water supply assembly 1 to the spraying assembly 3; the water diversion assembly 2 is provided with a guide interface structure 22 matched with the water outlet end of the water supply assembly 1, and the guide interface structure 22 is an outward expansion structure gradually expanding outwards from the side far away from the water supply assembly 1 to the side close to the water supply assembly 1. In the invention, the guide interface structure is of a horn-shaped opening structure, so that a good guide effect is achieved, the difficulty in matching the water diversion assembly and the water supply assembly is reduced, the water diversion hole of the water diversion assembly 2 and the water outlet end of the water supply assembly 1 can be efficiently and quickly matched and butted under the guide of the guide interface structure 22, and the phenomenon that the water supply assembly 1 cannot be communicated with the corresponding water diversion hole due to the fact that the water diversion hole of the existing spraying structure and the water outlet end of the water supply assembly 1 are difficultly and accurately butted is effectively avoided.

Further, combine fig. 1 to fig. 3, fig. 6 to show, diversion subassembly 2 includes the regulation lid 23 with the water inlet end sealing connection of spray assembly 3, regulation lid 23 is last to have seted up diversion hole 231, through diversion hole 231 communicates the play water end of water supply subassembly 1 and the end of intaking of spray assembly 3 realize with water diversion in the water supply subassembly 1 leads water to spray assembly 3, direction interface structure 22 sets up the periphery of diversion hole 231, direction interface structure 22 is loudspeaker form open structure, direction interface structure 22 open orientation the play water end of water supply subassembly 1. The direction interface structure 22 through setting up has reduced regulation lid 23 and the water supply subassembly 1 and has gone out the water end complex degree of difficulty, as long as the water end that goes out of water supply subassembly 1 falls into the inner space within range of direction interface structure 22, the diversion hole 231 of regulation lid 23 just can with the play water end that supplies water subassembly 1 high-efficient cooperation butt joint fast under the direction of direction interface structure 22 has avoided the current diversion hole 231 that sprays on the structure regulation lid 23 and the play water end that supplies water subassembly 1 to dock very hardly accurately effectively, leads to the play water end of water supply subassembly 1 and the phenomenon that the diversion hole 231 that corresponds docks and can't feed through on.

Furthermore, a plurality of water diversion holes 231 are formed in different positions of the adjusting cover 23, so that the water supply assembly 1 is connected with the spray arm 33 through the different water diversion holes 231 on the adjusting cover 23, thereby realizing the movement adjustment of the spray arm 33 between different positions, a plurality of guide interface structures 22 are correspondingly arranged on the peripheries of the water diversion holes 231, and the water diversion holes 231 in different positions on the adjusting cover 23 are efficiently and accurately butted with the water outlet end of the water supply assembly 1 through the arranged guide interface structures 22.

Specifically, as shown in fig. 1 to 3, and fig. 6, along the longitudinal direction of the regulation cover 23, the adjusting cover 23 is sequentially provided with a plurality of water diversion holes 231, the adjusting cover 23 can move up and down, the adjusting cover 23 can be correspondingly connected with the water outlet end of the water supply component 1 at different positions in the vertical direction, so that the water supply assembly 1 is connected with the spray arm 33 through the water introduction holes 231 at different height positions on the adjustment cover 23, thereby realizing the height adjustment of the spray arm 33 between different positions, the periphery of the plurality of water diversion holes 231 is respectively and correspondingly provided with a plurality of guide interface structures 22, each guide interface structure 22 corresponds to different heights of the shelf, through the arrangement of the plurality of guide interface structures 22, the water diversion holes 231 at different height positions on the adjusting cover 23 can be in efficient and accurate butt joint with the water outlet end of the water supply assembly 1.

Or, in another scheme, a plurality of water diversion holes 231 are arranged in the longitudinal direction and the transverse direction of the adjusting cover 23 in a staggered and dispersed manner at intervals, the plurality of water diversion holes 231 are distributed on different heights and different horizontal positions of the adjusting cover 1 in a staggered manner, the adjusting cover 23 can rotate along the circumferential direction relative to the spray arm 33, so that the spray arm 33 is communicated with the water supply assembly 1 through the water diversion holes 231 of the water diversion assemblies 2 corresponding to different positions, the plurality of guide interface structures 22 are correspondingly arranged on the peripheries of the plurality of water diversion holes 231, and the water diversion holes 231 of different heights and different horizontal positions on the adjusting cover 23 can be efficiently and accurately butted with the water outlet end of the water supply assembly 1 through the plurality of guide interface structures 22.

Preferably, a plurality of the guide interface structures 22 are connected into a whole, and a plurality of the guide interface structures 22 are integrally arranged, so that the stability of the whole structure is enhanced. More preferably, a plurality of the guide interface structures 22 are integrally formed with the adjustment cover 23. A plurality of the guide interface structure 22 and the adjusting cover 231 can be integrally formed by injection molding, stamping and other processes, so that the forming is simple, and the stability of the whole structure is improved.

Further, as shown in fig. 1 to 3, the guide interface structure 22 includes a connecting portion 221 connected in the circumferential direction of the water guiding hole 231, the connecting portion 221 is a hollow cylindrical structure with an unchanged inner diameter, the guide interface structure 22 further includes an outer expanding portion 222 connected at the outer edge of the hollow cylindrical connecting portion 221 and having an gradually increased inner diameter, the connecting portion 221 is a hollow cylindrical structure, and the outer expanding portion 222 is a horn-shaped opening structure. The application provides a direction interface structure 22 has avoided current spray thrower diversion mechanism, and the diversion hole on the diversion subassembly docks with the play water end of water supply subassembly between very difficult accurate ground, if there is some deviation in the two position, can lead to the delivery pipe and the inlet opening butt joint that corresponds not go up unable intercommunication, influences the phenomenon of normal use. The guide interface structure 22 is a horn-shaped structure gradually expanding towards the water outlet end of the water supply assembly 1, so that the water outlet end of the water supply assembly 1 falls into the internal space range of the horn-shaped guide interface structure 22, and the water guide hole 231 of the adjusting cover 23 can be efficiently and quickly matched and butted with the water outlet end of the water supply assembly 1.

Further, the water supply assembly 1 includes a hollow insertion part 121 disposed at the water outlet end of the water supply assembly 1 and capable of extending into the guide interface structure 22, and the hollow insertion part 121 can extend into the water inlet joint 34 of the spray assembly 3 through the water guide hole 231 to supply water to the spray arm 33. The outer periphery of the hollow insertion part 121 is provided with a sealing ring 13, and the sealing ring 13 is connected between the outer periphery of the hollow insertion part 121 and the inner peripheral wall of the guide interface structure 22 in a sealing manner. The sealing ring 13 arranged on the outer peripheral wall of the hollow insertion part 121 at the water outlet end of the water supply assembly 1 effectively avoids the phenomenon that water leaks out from the gap between the guide interface structure 22 and the hollow insertion part 121.

Further, as shown in fig. 1 to 4, the hollow insertion portion 121 includes an insertion section 1211 connected to the water supply assembly 1 and having a constant inner diameter, and a guide section 1212 connected to an end of the insertion section 1211 and having a gradually decreasing inner diameter, an outer diameter of the insertion section 1211 of the hollow insertion portion 121 matches with an inner diameter of the hollow cylindrical connection portion 221 of the guide interface structure 22, and the sealing ring 13 is disposed on an outer peripheral wall of the end portion of the insertion section 1211 near the guide section 1212, so as to prevent water flowing into the spray assembly 3 from flowing out along a gap between the insertion section 1211 of the hollow insertion portion 121 and the connection portion 221 of the guide interface structure 22, thereby improving the sealing performance of the entire structure. Through setting up the tip with cavity grafting portion 121 to the undergauge structure that the internal diameter reduces gradually, make direction interface structure 22 with cavity grafting portion 121 can more high-efficient accurately cooperate, play the effect of certain direction, and simultaneously, can also play the effect that increases hydraulic, the internal diameter of grafting section 1211 is greater than the internal diameter of direction section 1212 delivery port department, dwindle the rivers cross-section, water velocity has been increased under the unchangeable condition of discharge, thereby the driving force has been increased, more help water drainage to spray assembly 3 in the water supply assembly 1.

Further, the water supply assembly 1 includes a water supply pipe 11, the hollow insertion part 121 is a partial structure of the water supply pipe 11, a water outlet is opened on the water supply pipe 11, and the hollow insertion part 12 is formed by extending the water outlet of the water supply pipe 11 outwards. Or, the water supply assembly 1 includes a water supply pipe 11 and a guide 12 disposed at a water outlet end of the water supply pipe 11, the hollow insertion part 121 is a partial structure of the guide 12, and the guide 12 plays a role of guiding water flow.

Specifically, be provided with a delivery port on the lateral wall of delivery pipe 11, the circumference slope of delivery port inwards extends and forms a convex faucet 111, guide 12 is still including the cladding annular fitting surface 122 of faucet 111 periphery wall and one side circumference border of annular fitting surface 122 outwards extend and form the installation to be fixed installation department 123 on the periphery wall of delivery pipe 1, the installation department 123 cladding is close to on the outer wall of delivery pipe 11 around faucet 111, the mounting hole has been seted up on the installation department 123, the mode of accessible screw or joint is installed on delivery pipe 11. As shown in fig. 4, the mounting hole is a third clamping groove 1231 formed on the wall surface of the mounting portion 123, a plurality of protruding third clamping platforms 112 are arranged on the pipe wall of the water supply pipe 11 at positions corresponding to the third clamping groove 1231, and the guide 12 and the water supply pipe 11 are assembled and connected by the clamping fit of the third clamping groove 1231 and the third clamping platforms 112, so that the disassembly and the installation are convenient and quick. The other circumferential edge of the annular mating surface 122 is connected to the outer circumferential edge of the hollow insertion part 121. The guide piece 12 plays a role in guiding water flow and is also coated on the periphery of the water outlet nozzle 111, so that the phenomenon that water flow leaks from the edge of the water outlet nozzle 111 is effectively avoided.

When the shelf tableware is placed eccentrically or assembled to have deviation, the water diversion hole 231 of the water diversion assembly 2 cannot be aligned with the center of the hollow insertion part 121 of the water supply assembly 1, when the shelf is pushed inwards, the guide interface structure 22 is close to the guide piece 12 of the water supply assembly 1, the guide piece 12 can be pushed to move up and down by the lateral force, the water diversion hole 231 at the center of the guide interface structure 22 is aligned with the center of the water outlet end of the water supply assembly 1, the resistance generated in the eccentric process of shelf pushing can be avoided, the situation that the shelf cannot be correctly classified as a door body to be closed is avoided, or the generated water leakage phenomenon occurs.

Further, as shown in fig. 1 to 3 and 7, the water diversion assembly 2 further includes a one-way valve structure 24 disposed between the water inlet end of the spray assembly 3 and the adjusting cover 23, so as to realize one-way circulation of water diversion and prevent water entering the spray assembly 3 from flowing back to the water supply assembly 1. The check valve structure 24 cladding is in the periphery of adjusting cover 23, through with the cladding of check valve structure 24 around adjusting cover 23 for the diversion can not reveal from the border position of adjusting cover 23, improves the leakproofness.

Further, as shown in fig. 2, fig. 3, and fig. 7, the check valve structure 24 includes a valve seat 241 and a check valve sheet 242, the valve seat 241 has a plate-shaped valve seat body 2411 matching with the shape and size of the adjusting cover 23, the valve seat body 2411 is disposed on a side surface of the adjusting cover 23 close to the spray assembly 3, a plurality of mounting holes are disposed on the valve seat body 2411 corresponding to the water guide holes 231, the check valve sheet 242 is mounted in the mounting holes, the fixed end of the check valve sheet 242 is mounted around the mounting holes, the free end covers the mounting holes and can be opened only toward the water inlet end of the spray arm 33, and the free end of the check valve sheet 242 is opened to conduct water flow under water flow impact or external force. When the hollow insertion part 121 of the water supply assembly 1 is inserted into one water guide hole 231 of the adjusting cover 23, the other water guide holes 231 are sealed by the one-way valve sheet 242, so that water flow is prevented from flowing out of the other water guide holes 231.

Further, the outer edge of the valve seat body 2411 extends horizontally towards the direction of the adjusting cover 23 and then bends towards the center direction of the valve seat body 2411 to form an accommodating space for covering the adjusting cover 23 therein, and the adjusting cover 23 is embedded in the accommodating space formed by the valve seat body 2411. Specifically, the outer edge of the valve seat body 2411 extends horizontally towards the direction of the adjusting cover 23 to form an annular extending surface 2412, the extending length of the annular extending surface 2412 is matched with the thickness of the adjusting cover 23, the outer edge of the annular extending surface 2412 bends towards the center direction of the valve seat body 2411 to form an annular limiting flange 2413, the arranged annular limiting flange 2413 effectively avoids the phenomenon that the adjusting cover 23 is separated from the accommodating space formed by the valve seat body 2411, meanwhile, the sealing effect is further improved, and the introduced water flow is prevented from leaking around the adjusting cover 23.

Further, as shown in fig. 6 and 7, be provided with the joint structure in the periphery of adjusting cover 23, the joint structure is for setting up a plurality of first ka tai 232 on the periphery wall of adjusting cover 23, the annular of disk seat 241 extends to be provided with on the face 2412 correspondingly with a plurality of first draw-in grooves 24121 of first ka tai 232 complex, through the cooperation of first ka tai 232 and first draw-in groove 24121 realize adjusting cover 23 with the firm cooperation of disk seat 241, simultaneously through the cooperation mode of joint, need not extra connecting piece, simplify spare part, dismantle and install more convenient and fast.

Further, as shown in fig. 1 to 3 and 5, a sealing member 21 is disposed between the guide interface structure 22 and the water inlet end of the shower assembly 3, and the sealing member 21 covers at least a portion of the outer peripheral wall of the guide interface structure 22. Spray assembly 3 includes spray arm 33 and well spray pipe 31, well spray pipe 31 one end through well spray pipe mounting 32 with spray arm 33 connects, well spray pipe 31's the other end be provided with diversion assembly 2 sealing connection's water supply connector 34, water supply connector 34 has an inlet opening, diversion assembly 2 sealing connection is in the inlet opening. The sealing element 21 has an annular sealing body 211, an inner peripheral wall surface of the annular sealing body 211 is tightly wrapped on an outer peripheral wall of the guide interface structure 22 located in the hollow cylindrical portion 221, and an outer peripheral wall surface of the sealing element 21 abuts against an inner wall surface of a water inlet opening of the water inlet joint 34. According to the invention, the sealing element 21 arranged on the outer peripheral wall of the guide interface structure 22 is hermetically connected between the outer peripheral wall of the guide interface structure 22 and the water inlet end of the spray assembly 3, so that water flow is prevented from leaking between the outer peripheral wall of the guide interface structure 22 and the water inlet end of the spray assembly 3, and the whole spray structure has better sealing property.

Further, it is shown with fig. 1, fig. 2, fig. 5 to combine, set up the joint structure on the sealing member 21, correspond on the water supply connector 34 set up with joint structure matched with structure, the joint structure is including surrounding a plurality of second ka tai 212 of interval setting on the sealing member 21 periphery wall, correspond on the internal perisporium of water supply connector 34 and be provided with a plurality of second draw-in grooves 341, through second ka tai 212 and second draw-in groove 341 the cooperation realize sealing member 21 with the firm cooperation of water supply connector 34, simultaneously through the cooperation mode of joint, need not extra connecting piece, simplify spare part, dismantle and install more convenient and fast.

Preferably, as shown in fig. 2, fig. 3, and fig. 5, a ring of annular protrusion 24131 is provided on an outer wall surface of the annular limit flange 2413 of the valve seat body 2411, the annular protrusion 24131 is located at an end position of the annular limit flange 2413, the annular protrusion 24131 abuts against an end surface of the annular seal body 211 close to the spray assembly 3 side, and the provided annular protrusion 24131 blocks water entering the spray assembly 3 from flowing out from a gap between the adjustment cover 23 and the seal member 21, so as to further improve the sealing performance.

The spray structure of the dish washing machine provided by the invention is characterized in that the water diversion hole of the adjusting cover is provided with the guide interface structure, the guide interface structure is of an outward expansion structure which gradually expands outwards from the side far away from the water supply component to the side close to the water supply component, and the guide interface structure plays a good role in guiding, so that the phenomenon that the water inlet hole on the water diversion part of the existing spray structure is difficult to be accurately butted with the water inlet nozzle of the water supply pipe, if the positions of the water inlet hole and the water inlet nozzle are slightly deviated, the water supply pipe cannot be butted with the corresponding water inlet hole, and the normal use is influenced is effectively avoided.

The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only used for describing the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various changes and modifications made to the technical solution of the present invention by those skilled in the art without departing from the design idea of the present invention belong to the protection scope of the present invention.