CN217137992U - Overflow structure of dish washer and dish washer thereof - Google Patents

Abstract

The application belongs to the technical field of dish washing machines, and provides an overflow structure of a dish washing machine, which comprises a base of the dish washing machine and a liner chassis fixed on the base, wherein overflow holes for discharging overflow water are formed in the liner chassis, and the base is also provided with mounting holes communicated with the inside of the base; the overflow structure also comprises an overflow assembly which is arranged on the periphery of the base and is communicated with the overflow hole and the mounting hole, the overflow assembly comprises a fixed head and an overflow pipe, one end of the overflow pipe is connected with the fixed head and is communicated with the overflow hole on the liner chassis through the fixed head; the other end of the overflow pipe passes through the mounting hole and extends into the base. The application also provides a dish washing machine adopting the overflow structure. The application is improved aiming at the overflow structure of the dish washing machine, so as to solve the technical problems that the sealing performance of the pipeline connecting part adopted by the overflow structure in the prior art is poor and the disassembly and assembly are difficult.

Description

Overflow structure of dish washer and dish washer thereof

Technical Field

The application belongs to the technical field of dish-washing machines, and particularly relates to an overflow structure of a dish-washing machine and the dish-washing machine.

Background

The dish-washing machine is used as a water-involved household appliance, and water needs to be fed into an inner container of the dish-washing machine so that a spraying device of the dish-washing machine can wash tableware. The water inflow of the dish washer is an important control parameter in the running process of the dish washer, and if the water inflow of the dish washer is insufficient, the water inflow is not beneficial to driving the spraying device to run, so that the washing effect on the tableware is influenced; when the water inlet quantity of the dishwasher is too much and higher than the threshold of the dishwasher, the dishwasher is overflowed. The overflow of the dishwasher refers to the situation that water flows over the inner container after the water amount entering the inner container of the dishwasher is too much and exceeds the water storage capacity at the bottom of the inner container. Therefore, in order to avoid the overflow of water from the inside of the dishwasher caused by excessive water flow, an overflow structure is usually provided on the dishwasher to allow the overflow of the dishwasher to drain from the overflow channel to the inside of the base of the dishwasher, thereby triggering the overflow protection device in the base and generating an alarm.

The prior art dish washer generally comprises an inner container and a base which are connected up and down, and the overflow structure of the dish washer is shown in figure 1, and overflow holes are arranged on the edge of a top plate 1' which is connected with the inner container at the top of the base. In addition, a through hole communicated with the inside of the base is arranged on the front wall 2 'of the base, and a pipeline 3' is connected between the overflow hole and the through hole. Thereby, the overflow discharged from the overflow hole is guided to the inside of the base through the duct 3'.

In the prior art, the connection pipeline 3 'is installed and sealed in the connection between the two ends of the pipeline 3' and the overflow hole and the through hole by using a sealing silica gel shaping method. However, in this processing method, the pipeline 3 'needs to be effectively shaped and positioned when the silica gel is not sealed, otherwise, the connection parts between the two ends of the pipeline 3' and the overflow holes and the through holes cannot be completely sealed after the silica gel is sealed. In practical application, the pipeline 3' is difficult to shape and position in the process of adopting the glue sealing mode, so that the connecting parts cannot be completely sealed after the silica gel is sealed, water leakage gaps are easy to generate on the connecting parts, the processing is very difficult, and the yield is low. Moreover, the silica gel is difficult to disassemble after being packaged, and when dirt is accumulated on the pipeline 3', the pipeline is easy to block, so that a user cannot disassemble and clean the pipeline by himself or herself and cannot use the pipeline normally.

Therefore, the overflow structure of the dishwasher in the prior art has a plurality of defects, which is a technical problem that manufacturers of the dishwashers need to be perfect at present.

Disclosure of Invention

An object of the embodiment of this application is to provide an overflow structure of dish washer and dish washer thereof, improves to the overflow structure of dish washer to solve the poor and difficult technical problem of dismouting of the poor leakproofness of the pipe connection position that prior art's overflow structure adopted.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the overflow structure of the dish washing machine comprises a base of the dish washing machine and a liner chassis fixed on the base, wherein overflow holes for discharging overflow water are formed in the liner chassis, and mounting holes communicated with the inside of the base are formed in the base; the overflow structure also comprises an overflow assembly which is arranged on the periphery of the base and is communicated with the overflow hole and the mounting hole, the overflow assembly comprises a fixed head and an overflow pipe, one end of the overflow pipe is connected with the fixed head and is communicated with the overflow hole on the liner chassis through the fixed head; the other end of the overflow pipe penetrates through the mounting hole and extends into the base.

The application provides a dish washer overflow structure's beneficial effect lies in: compared with the prior art, an overflow assembly is arranged between the overflow port and the flow guide port and consists of a fixing head and an overflow pipe. The one end of this overflow pipe is passed through the fixed head and is connected the overflow hole on the inner bag chassis, and inside the other end passed the mounting hole on the base and extended to the base to realize quick installation, both ensured the leakproofness, convenience of customers also need not specialized tool and also can change by oneself or dismantle and get off and wash, improve the convenience of loading and unloading operation effectively.

Compared with the structure that the overflow cover is adopted to collect overflow water in the prior art, the overflow cover is of a cover body structure, namely, the surface is provided with the opening, the bottom is provided with the cover body structure, overflow water discharged from the overflow hole can only be collected and drained to the mounting hole, and only the upper opening of the cover body is spliced with the periphery of the base. Therefore, water is easy to seep out from the splicing gap between the cover body and the periphery of the base, which causes water leakage of the dishwasher and poor sealing performance. The overflow subassembly that this application adopted is including the fixed head and the overflow pipe that are connected, and this overflow pipe is only for having both ends open-ended sealed pipeline, compares with the structure that above-mentioned prior art only adopted the overflow lid, and the leakproofness is higher, and the condition of leaking of getting rid of dish washer effectively takes place.

The structure of the overflow assembly is improved, the fixing head is a tube body which is communicated up and down, the fixing head comprises a fixing part and an inserting part which are connected, the fixing part is fixed in the overflow hole, and the inserting part is inserted into a tube opening at one end of the overflow tube. One end of the overflow pipe is fixed on the overflow hole through the fixing head, so that the pipe orifice at one end of the overflow pipe is communicated with the overflow hole.

Furthermore, the overflow hole is a through hole which is communicated up and down, and comprises an upper orifice and a lower orifice; the inner container chassis is provided with a fastening groove positioned at the edge of the upper orifice of the overflow hole, and the periphery of the fixing part is provided with a fastening block fastened with the fastening groove. Therefore, the fixing head is sleeved in the overflow hole, the overflow pipe is inserted in the insertion part of the fixing head and penetrates out of the lower orifice of the overflow hole to extend to the mounting hole.

Furthermore, a limiting groove located at the edge of the upper orifice of the overflow hole is further arranged on the liner base plate, and a buckling lug is arranged on the periphery of the fixing part of the fixing head and is in plug-in connection with the limiting groove. After installing to the base for the overflow subassembly, can let the overflow pipe accurately connect between overflow hole and mounting hole, utilize here to set up the lug looks lock joint cooperation on spacing groove on the upper orifice both sides edge of overflow hole and the fixed part of fixed head, on the one hand, can inject the extending direction of overflow pipe to make the overflow pipe can accurately extend toward the position of mounting hole. On the other hand, the embedded depth of the fixing head in the overflow hole can be limited, and the insertion end of at least part of the overflow pipe is limited in the overflow hole, so that the compactness between the parts is improved, and an effective sealing effect is achieved.

Furthermore, the plug-in end of the overflow pipe connected with the fixed head is made of elastic material; the periphery of the insertion part of the fixed head is provided with at least two convex rings which are arranged at intervals up and down, and the liner base plate is provided with an annular convex rib positioned on the inner wall of the overflow hole; when the inserting part of the fixing head is inserted with the inserting end of the overflow pipe and is fixed in the overflow hole, the annular convex rib is positioned between the two adjacent convex rings. In order to enhance the sealing performance of the connection part between the overflow assembly and the overflow hole, on one hand, the whole pipeline of the overflow pipe or at least the insertion end part of the overflow pipe is made of elastic materials, so that the insertion end of the overflow pipe is tightly connected with the insertion part of the fixing head. On the other hand, the grafting portion periphery of this fixed head is equipped with the bulge loop, and this bulge loop can enough increase the frictional force with the grafting end of overflow pipe to strengthen the fixed effect of connection, again can with the downthehole protruding muscle cooperation of annular of overflow, in order just to be located between bulge loop and the protruding muscle of annular in the inside of overflow hole, form the inseparable seal structure that offsets of grafting end through the overflow pipe, improve sealed effect effectively. Therefore, the sealing structures such as a sealing ring or a sealing ring and the like can be omitted from the gap between the fixing head and the inner wall of the overflow hole, and the insertion end of the overflow pipe is in interference fit with the fixing head and the inner wall of the overflow hole to form the sealing structure only by utilizing the deformable characteristic of the overflow pipe made of elastic materials. On the premise of ensuring the sealing, the mounting accessories are effectively reduced, and the assembling and disassembling efficiency is further improved.

On the basis, the convex ring of the fixed head is provided with an annular oblique angle edge and an annular right angle edge, the annular oblique angle edge is arranged on the lower surface of the convex ring, and the annular right angle edge is arranged on the upper surface of the convex ring. By utilizing the annular oblique angle edge on the convex ring, a user can easily operate the insertion end of the overflow pipe to be inserted into the insertion part of the fixing head, so that the resistance in the insertion process is effectively reduced, and the assembly efficiency is improved. In addition, the annular right-angle side on the convex ring can increase the frictional resistance and prevent the overflow pipe connected with the overflow hole from being pulled downwards under abnormal conditions.

The application also provides a dish washing machine, which comprises an inner container and an overflow structure of the dish washing machine, wherein the inner container is vertically connected with the base, the inner container chassis is positioned at the bottom of the inner container, the front edge of the inner container chassis is provided with a raised surrounding edge, the overflow hole is formed in the surrounding edge, and the mounting hole is formed in the front wall of the base; the overflow pipe is a bending pipe which is shaped, and the shape of the overflow pipe is matched with the outline of the outer wall of the surrounding edge. With this, set up overflow structure to the threshold position in dishwasher the place ahead, let the overflow that surpasss the inner bag bottom discharge from the overflow hole, then directly get into on the fixed head, pass through the overflow pipe drainage to the mounting hole on the base antetheca inside the base of letting in side by side to carry out corresponding warning application in the dishwasher overflow protection device who is arranged in the base bottom with the overflow row. Wherein, this overflow pipe is the pipe of bending that the design set up, and the shape of overflow pipe and the outer wall profile looks adaptation of surrounding edge, the bellows that here replaces not enough and warp easily of intensity among the prior art. The overflow pipe is set in fixed shape after production and processing, so that the overflow pipe has certain structural strength, and the pipe shell of the overflow pipe can be preferably a shell with a flat peripheral surface, so that no corrugated part is arranged on the corrugated pipe adopted in the prior art, dirt is not easy to accumulate, and the hidden health trouble is effectively eliminated.

The structure of the surrounding edge of the base is improved, a supporting rib corresponding to the installation position of the overflow pipe is arranged on the periphery of the surrounding edge, and the supporting rib extends outwards from the upper part of the surrounding edge and is abutted against the periphery of the overflow pipe; and the periphery of the surrounding edge is also provided with a positioning groove which is embedded with the overflow pipe. On the one hand, the support rib that utilizes to set up on the surrounding edge supports the overflow pipe to fill the space between overflow pipe and the surrounding edge, and then improve support and fixed effect to the overflow pipe. On the other hand, the constant head tank that sets up on the surrounding edge is favorable to injecing the mounted position of overflow pipe, avoids the overflow pipe to take place to shift, improves the installation stability of overflow pipe effectively.

The fixing structure that the fixing head is arranged in the overflow hole is improved, the surrounding edges are respectively provided with a front retaining wall and a rear retaining wall which surround the edge of the overflow hole and are oppositely arranged, and the front retaining wall is positioned on the edge of the surrounding edge; the surrounding edge is obliquely arranged towards the inner container chassis, so that the height of the front retaining wall is higher than that of the rear retaining wall; the fixing part of the fixing head is also provided with a flange extending upwards, when the fixing head is sleeved on the overflow hole, the fixing part is embedded between the front baffle wall and the rear baffle wall, and the flange extends to the surface of the front baffle wall. With this, let preceding fender wall and back fender wall form the difference in height around on the overflow hole, can enough backstop inner bag bottom overflow directly and spill over, can lead water liquid toward the overflow hole again, let the overflow through the overflow hole pour into in the fixed head to in the overflow flows to the overflow pipe, and then play effectual water conservancy diversion effect. In addition, the retaining head is provided with a flange which extends upwards and extends to the side surface of the front retaining wall, and the flange extends to the side surface of the front retaining wall, so that the overflow water of the liner can directly flow into the retaining head along the flange, and the overflow water in the liner is directly poured into the overflow pipe, thereby effectively improving the flow guiding effect.

The structure of the dish washing machine is improved, a water receiving tray positioned on the front wall of the base is further arranged on the base, and a water inlet hole which is connected with the water receiving tray and communicated with the inside of the base is further formed in the front wall of the base; the base is further provided with a skirting board positioned on the front wall of the base, a water collecting groove for collecting overflow discharged from the overflow holes is formed in the skirting board, a converging port positioned in the water collecting groove is further formed in the skirting board, and the converging port and the water receiving tray are arranged in an up-and-down alignment mode. The skirting board can be selectively arranged on the front wall of the base according to the use requirements of users, when the skirting board is used, the overflow assembly cannot be arranged due to the structural limitation of the front wall of the base, the water collecting tank on the skirting board is used for collecting overflow water discharged from the overflow holes, and the overflow water is concentrated through the confluence ports in the water collecting tank and is discharged to the water receiving tray on the front wall of the base; then, the water receiving tray is used for discharging the overflow water to the inside of the base through the water inlet hole in the front wall of the base. Therefore, the skirting board and the overflow assembly can be used alternately, and an overflow-preventing effect can be achieved by utilizing an overflow structure formed by the water collecting groove on the skirting board and the water receiving tray on the front wall of the base, so that the reconstruction cost is effectively saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic illustration of an overflow arrangement on a dishwasher of the prior art;

FIG. 2 is a schematic diagram of an exploded structure of a dishwasher according to an embodiment of the present application;

FIG. 3 is a first schematic view of an internal structure of a dishwasher base according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of an assembly structure of the overflow assembly mounted on the base according to an embodiment of the present disclosure;

fig. 6 is a schematic view of an assembly structure of a fixing head and an overflow pipe according to an embodiment of the present disclosure;

fig. 7 is a schematic structural view of the fixing head and the overflow pipe after being assembled according to the embodiment of the present application;

fig. 8 is a schematic perspective view of a fixing head according to an embodiment of the present disclosure;

FIG. 9 is a schematic view of an internal structure of a front end of a base according to an embodiment of the present disclosure;

FIG. 10 is an enlarged view of section C of FIG. 9;

fig. 11 is a first structural view of a base according to an embodiment of the present disclosure;

FIG. 12 is an enlarged view of section D of FIG. 11;

FIG. 13 is an enlarged view of the portion B of FIG. 4;

fig. 14 is a second structural view of the base in a top view according to the embodiment of the present disclosure;

FIG. 15 is an enlarged view of section E of FIG. 14;

FIG. 16 is a cross-sectional structural view of a retaining head provided in accordance with an embodiment of the present application;

FIG. 17 is an exploded view of a dishwasher with a skirting board according to an embodiment of the present application;

FIG. 18 is a top view of a dishwasher with a kick plate according to an embodiment of the present application;

FIG. 19 is a sectional view taken along line F-F in FIG. 18;

fig. 20 is a sectional structural view taken along line G-G in fig. 18.

Wherein, in the figures, the respective reference numerals:

100-inner container;

200-a base; 201-bottom cover; 202-a water pan; 203-water inlet hole;

300-an overflow assembly;

400-an overflow protection device;

1-an overflow aperture; 11-catching grooves; 12-a limiting groove; 13-annular convex ribs;

2-mounting holes;

3-fixing the head; 31-a stationary part; 311-a fastening block; 312-a lug; 313-a rib; 32-a plug-in part; 321-a convex ring; 322-annular beveled edge; 323-annular right-angled edge;

4-an overflow pipe;

5-inner container chassis; 51-surrounding edge; 52-support ribs; 53-positioning grooves; 54-front retaining wall; 55-rear retaining wall; 6-skirting board; 61-a water collecting tank; 62-the confluence port.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and 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 considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The overflow structure of the dishwasher and the dishwasher thereof provided by the embodiments of the present application will now be described. Referring to fig. 2, 3 and 4, the dishwasher includes a tub 100 and an overflow structure provided in an embodiment of the present application, the overflow structure includes a base 200 connected to the tub 100 up and down, and a tub chassis 5 fixed to the base 200. The fixing mode between the base 200 and the liner base plate 5 can be an integral molding mode or a detachable assembling mode. The inner container chassis 5 is provided with overflow holes 1 for discharging overflow water, and the base 200 is provided with mounting holes 2 communicated with the inside of the base 200. The overflow structure further comprises an overflow assembly 300 which is arranged on the periphery of the base 200 and is communicated with the overflow hole 1 and the mounting hole 2, wherein the overflow assembly 300 comprises a fixed head 3 and an overflow pipe 4. One end of the overflow pipe 4 is connected with the fixed head 3 and is communicated with the overflow hole 1 on the liner chassis 5 through the fixed head 3. The other end of the overflow pipe 4 passes through the mounting hole 2 and extends into the base 200 to discharge the overflow water into the overflow protection device 400 inside the base 200 for alarm application.

Compared with the prior art, the overflow structure of the dishwasher provided by the application is provided with the overflow component 300 between the overflow port and the diversion port, and the overflow component 300 consists of the fixed head 3 and the overflow pipe 4. This overflow pipe 4's one end is passed through fixed head 3 and is connected overflow hole 1 on inner bag chassis 5, and the other end passes mounting hole 2 on the base 200 and extends to inside the base 200 to realize quick installation, both ensured the leakproofness, convenience of customers need not specialized tool again and also can change by oneself or dismantle and get off and wash, improve the convenience of loading and unloading operation effectively.

In addition, compared with the structure that the overflow cover is adopted to collect overflow water in the prior art, the overflow cover is in a cover body structure, namely, the surface is provided with an opening, the bottom is provided with a cover body structure, overflow water discharged from the overflow hole 1 can only be collected and drained to the mounting hole 2, and only the upper opening of the cover body is spliced with the periphery of the base 200. Therefore, water is easy to leak out from the assembly gap between the cover and the outer periphery of the base 200, resulting in water leakage of the dishwasher and poor sealing performance. The overflow assembly 300 adopted by the application comprises a fixing head 3 and an overflow pipe 4 which are connected, wherein the overflow pipe 4 is a sealed pipeline with openings at two ends, and compared with the structure that only an overflow cover is adopted in the prior art, the overflow assembly has higher sealing performance, and the water leakage condition of the dish washing machine is effectively eliminated.

In the present embodiment, referring to fig. 2, fig. 4 and fig. 5, the inner container chassis 5 is located at the bottom of the inner container 100, a raised surrounding edge 51 is disposed on the front edge of the inner container chassis 5, and the overflow hole 1 is disposed on the surrounding edge 51. The area size of the overflow hole 1 is preferably 10 to 120 square millimeters, and the size of the fixing head 3 is smaller than that of the overflow hole 1, so that the fixing head 3 can be sleeved in the overflow hole 1. As shown in fig. 4, the mounting hole 2 is opened on the front wall of the base 200, so that the overflow hole 1 and the mounting hole 2 are both located on the same side of the base 200, in this embodiment, located on the front side of the base 200. With this, set up overflow structure to the threshold position in dishwasher the place ahead, let the overflow that surpasss inner bag 100 bottom discharge from overflow hole 1, then directly get into on the fixed head 3, through overflow pipe 4 drainage to the mounting hole 2 on the base 200 antetheca inside of pouring into base 200 side by side to carry out corresponding warning application in the dishwasher overflow protection device 400 that is located base 200 bottom 201 with the overflow row.

It should be noted that the directions in the above embodiments, such as "front" of the dishwasher or "front edge" of the tub chassis 5, "front wall" of the base 200, and "front side" of the base 200, refer to the front side portion of the dishwasher facing the user and closest to the user.

As shown in fig. 1, the prior art pipe 3 'generally adopts a corrugated pipe to utilize the characteristics of the corrugated pipe, so that the pipe 3' can realize bending and turning. However, the corrugated pipe adopted by the prior art has insufficient strength and has a wrinkled part, so that dirt is easy to accumulate, and particularly when the corrugated pipe is applied to a dishwasher, food residues possibly washed from tableware are accumulated. The corrugated pipe is easy to smell after being used for a long time, and has hidden health hazards. Therefore, the structure of the overflow pipe 4 is improved, please refer to fig. 4, fig. 6 and fig. 7, the overflow pipe 4 is a bent pipe with a fixed shape, and the shape of the overflow pipe 4 is matched with the outer wall profile of the surrounding edge 51, so as to replace the corrugated pipe with insufficient strength and easy deformation in the prior art. Because the overflow pipe 4 is set for the design after the production processing, therefore have certain structural strength, and the pipe shell of the overflow pipe 4 can be preferably the shell with the flat global, does not have the fold position that has on the bellows that adopts in the prior art, is difficult to deposit the dirt, eliminates the health hidden danger effectively.

Referring to fig. 6, the overflow pipe 4 can be preferably formed by an extrusion process or a shaping process, and is preferably a bent pipe with a circular pipe body section, so as to be better integrated with the structure at the front side of the dishwasher, and effectively improve the overall aesthetic feeling of the dishwasher.

During assembly, please refer to fig. 6, 7 and 4, one end of the overflow pipe 4 is connected to the fixing head 3, and then penetrates into the overflow hole 1 from above the overflow hole 1, so that the overflow pipe 4 penetrates out from below the overflow hole 1; because the overflow pipe 4 is a bending pipeline, the other end of the overflow pipe 4 can extend to the mounting hole 2 of the front wall of the base 200 after being bent, and passes through the mounting hole 2 to extend into the base 200 from the front wall of the base 200, so that the mounting operation is completed quickly, a special tool is not needed, and the mounting efficiency can be effectively improved.

In another embodiment of the present application, the structure of the fixing head 3 is optimized, please refer to fig. 4, fig. 7 and fig. 8, the fixing head 3 is a tube body penetrating up and down, the fixing head 3 includes a fixing portion 31 and an inserting portion 32 connected to each other, the fixing portion 31 is fixed in the overflow hole 1, and the inserting portion 32 is inserted into one end of the overflow tube 4. One end of the overflow pipe 4 is fixed on the overflow hole 1 through the fixing head 3, so that a pipe orifice at one end of the overflow pipe 4 is communicated with the overflow hole 1.

Referring to fig. 9 and 10, the overflow hole 1 is preferably a through hole penetrating up and down, and the overflow hole 1 includes an upper opening M and a lower opening N. Specifically, as shown in fig. 10, in the present embodiment, the overflow hole 1 includes an upper orifice M located on the upper surface of the skirt 51, and a lower orifice N located on the lower surface of the skirt 51.

Referring to fig. 10, 11 and 12, the liner base plate 5 is provided with a catching groove 11 located at the edge of the upper opening M of the overflow hole 1. Referring to fig. 8 and 13, the fixing portion 31 of the fixing head 3 is provided with a fastening block 311 fastened to the fastening groove 11. Therefore, the fixing head 3 is sleeved in the overflow hole 1, the overflow pipe 4 is inserted into the insertion part 32 of the fixing head 3, and penetrates out of the lower orifice N of the overflow hole 1 to extend to the mounting hole 2.

In order to accurately connect the overflow pipe 4 between the overflow hole 1 and the mounting hole 2 after the overflow assembly 300 is mounted on the base 200, referring to fig. 10 and 12, the inner container bottom plate 5 is further provided with a limiting groove 12 located at the edge of the upper opening M of the overflow hole 1. Referring to fig. 8, 14 and 15, the fixing portion 31 of the fixing head 3 is provided with a fastening lug 312 engaged with the limiting groove 12. The limit grooves 12 formed on the two side edges of the upper orifice M of the overflow hole 1 are in lock joint with the fastening lugs 312 on the fixing part 31 of the fixing head 3, so that on one hand, the extending direction of the overflow pipe 4 can be limited, and the overflow pipe 4 can accurately extend to the position of the mounting hole 2. On the other hand, it is also possible to define the insertion depth of the fixing head 3 into the overflow opening 1, which in the present exemplary embodiment is primarily the height position of the entire through-opening of the fixing head 3 in the overflow opening 1. At least part of the insertion end of the overflow pipe 4 is limited in the overflow hole 1, so that the compactness between the parts is improved, and an effective sealing effect is achieved.

In order to enhance the sealing performance of the connection portion between the overflow assembly 300 and the overflow hole 1, please refer to fig. 8, fig. 10 and fig. 13, the insertion end 41 of the overflow pipe 4 connected to the fixing head 3 is made of an elastic material. At least two convex rings 321 which are arranged at intervals up and down are arranged on the periphery of the insertion part 32 of the fixed head 3, and an annular convex rib 13 which is positioned on the inner wall of the overflow hole 1 and is close to the lower orifice N of the overflow hole 1 is arranged on the liner base plate 5. When the inserting part 32 of the fixing head 3 is inserted into the inserting end 41 of the overflow pipe 4 and fixed in the overflow hole 1, the annular rib 13 is positioned between two adjacent convex rings 321. First, the entire pipe of the overflow pipe 4, or at least the insertion end 41 is made of elastic material, and more particularly, EPDM or PVC soft plastic material is preferably used to make the insertion end 41 of the overflow pipe 4 tightly connected to the insertion portion 32 of the fixing head 3. Secondly, this fixed head 3's grafting portion 32 periphery is equipped with bulge loop 321, and this bulge loop 321 can enough increase the frictional force with the grafting end 41 of overflow pipe 4 to strengthen the fixed effect of connection, again can with the cooperation of the annular protruding muscle 13 in the overflow hole 1, in order just to be located between bulge loop 321 and the annular protruding muscle 13 in the inside of overflow hole 1, form the tight seal structure that offsets through the grafting end 41 of overflow pipe 4, improve sealed effect effectively. Therefore, the sealing structure such as a sealing ring or a sealing ring added in the gap between the fixed head 3 and the inner wall of the overflow hole 1 can be saved, and the insertion end 41 of the overflow pipe 4 is in interference fit with the fixed head 3 and the inner wall of the overflow hole 1 to form the sealing structure only by utilizing the deformable characteristic of the overflow pipe 4 made of elastic materials. On the premise of ensuring the sealing, the mounting accessories are effectively reduced, and the assembling and disassembling efficiency is further improved.

On the basis, referring to fig. 7, 13 and 16, the convex ring 321 of the fixing head 3 is provided with an annular oblique edge 322 capable of reducing the insertion resistance of the overflow pipe 4 and the insertion part 32, and an annular right-angle edge 323 preventing the overflow pipe 4 from being separated from the insertion part 32, the annular oblique edge 322 is disposed on the lower surface of the convex ring 321, and the annular right-angle edge 323 is disposed on the upper surface of the convex ring 321. By utilizing the annular bevel edge 322 on the convex ring 321, a user can easily operate the insertion end 41 of the overflow pipe 4 to be inserted into the insertion part 32 of the fixed head 3, so that the resistance in insertion is effectively reduced, and the assembly efficiency is improved. In addition, the annular right-angled edge 323 on the convex ring 321 can increase the frictional resistance, and prevent the overflow pipe 4 connected with the overflow hole 1 from being pulled out downwards in abnormal situations.

In another embodiment of the present application, the structure of the surrounding edge 51 is optimized, and referring to fig. 13, the surrounding edge 51 is provided with a support rib 52 corresponding to the installation position of the overflow pipe 4, and the support rib 52 extends outwards from the surrounding edge 51 and abuts against the outer periphery of the overflow pipe 4. Therefore, the supporting ribs 52 arranged on the surrounding edge 51 are used for abutting against the overflow pipe 4 and filling the gap between the overflow pipe 4 and the surrounding edge 51, so that the supporting and fixing effects on the overflow pipe 4 are improved.

Referring to fig. 10 and 13, the periphery of the surrounding edge 51 is further provided with a positioning groove 53 engaged with the overflow pipe 4 to define the installation position of the overflow pipe 4, so as to prevent the overflow pipe 4 from shifting, and effectively improve the installation stability of the overflow pipe 4.

In another embodiment of the present application, the fixing structure of the fixing head 3 installed in the overflow hole 1 is optimized, please refer to fig. 12, 13 and 15, the surrounding edge 51 is respectively provided with a front blocking wall 54 and a rear blocking wall 55 which surround the edge of the overflow hole 1 and are oppositely arranged, the front blocking wall 54 is located on the edge of the surrounding edge 51, the surrounding edge 51 is obliquely arranged towards the inner container bottom 5, so that the height of the front blocking wall 54 is higher than that of the rear blocking wall 55. Therefore, the front retaining wall 54 and the rear retaining wall 55 form a front-rear height difference on the overflow hole 1, so that overflow at the bottom of the liner 100 can be prevented from directly overflowing, water can be guided into the overflow hole 1, overflow is poured into the fixing head 3 through the overflow hole 1 and flows into the overflow pipe 4, and an effective flow guiding effect is achieved.

Referring to fig. 12, fig. 15 and fig. 16, the fastening groove 11 of the base 200 is opened on the front retaining wall 54, the fixing portion 31 of the fixing head 3 is further provided with a retaining edge 313 extending upward, and the fastening block 311 of the fixing head 3 is disposed on the retaining edge 313. When the fixing head 3 is sleeved on the overflow hole 1, the fixing portion 31 is embedded between the front retaining wall 54 and the rear retaining wall 55, the retaining edge 313 extends to the surface of the front retaining wall 54, and the fastening block 311 on the retaining edge 313 is fastened with the fastening groove 11 on the front retaining wall 54, so that the fixing head 3 is embedded and fixed in the overflow hole 1. In addition, as shown in fig. 13, since the rib 313 extends to the side surface of the front blocking wall 54, the overflow water of the inner container 100 can directly flow into the fixing head 3 along the rib 313, and the overflow water in the inner container 100 can be directly poured into the overflow pipe 4, thereby effectively improving the diversion effect.

In another embodiment of the present application, the structure of the dishwasher is optimized, please refer to fig. 17, 18 and 19, the base 200 is further provided with a water pan 202 on the front wall of the base 200, and the front wall of the base 200 is further provided with a water inlet 203 connected to the water pan 202 and communicated with the inside of the base 200. In addition, referring to fig. 17, fig. 19 and fig. 20, a skirting board 6 located on the front wall of the base 200 is further installed on the base 200, a water collecting tank 61 for collecting overflow water discharged from the overflow holes 1 is provided on the skirting board 6, a collecting port 62 located in the water collecting tank 61 is further provided on the skirting board 6, and the collecting port 62 and the water receiving tray 202 are vertically aligned.

The skirting board 6 can be selectively mounted on the front wall of the base 200 according to the user's requirement, when the skirting board 6 is used, the overflow assembly 300 cannot be mounted due to the structural limitation of the front wall of the base 200, and the water collecting groove 61 on the skirting board 6 is used for collecting overflow discharged from the overflow holes 1, and the overflow is collected through the collecting slot 62 in the water collecting groove 61 and is discharged to the water receiving tray 202 on the front wall of the base 200; then, the overflow water is discharged to the inside of the base 200 through the water receiving tray 202 through the water inlet hole 203 on the front wall of the base 200. Therefore, the skirting board 6 and the overflow assembly 300 of the present application can be used alternatively, and an overflow prevention effect can be achieved by using an overflow structure formed by the water collecting groove 61 on the skirting board 6 and the water receiving tray 202 on the front wall of the base 200, so that the modification cost is effectively saved.

In practical application, can be equipped with a plurality of overflow hole 1 on the surrounding edge 51 of base 200, utilize the water catch bowl 61 on the baseboard 6 can concentrate each overflow hole 1 exhaust overflow to unified row is inside base 200, improves the centralization of overflow effectively, avoids setting up the overflow runner on the dish washer too dispersed, reduces the overflow effectively and in the inside cover face of dish washer, and then reduces the wading risk of dish washer internals.

In addition, because the water collecting tank 61 is used as a collecting container of overflow water, even if the installation state of the dish washing machine is unstable, the front edge part of the liner chassis 5 on the base 200 is in an inclined state, and partial overflow holes 1 are failed, the overflow water can be collected by the water collecting tank 61 on the skirting board 6 and then uniformly discharged into the base 200 through the flow converging port 62, and the overflow preventing performance of the dish washing machine is effectively improved.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. An overflow structure of a dish washing machine comprises a base of the dish washing machine and a liner chassis fixed on the base, wherein overflow holes for discharging overflow water are formed in the liner chassis, and the base is also provided with mounting holes communicated with the inside of the base; the overflow structure is characterized by further comprising an overflow assembly which is arranged on the periphery of the base and is communicated with the overflow hole and the mounting hole, wherein the overflow assembly comprises a fixed head and an overflow pipe, one end of the overflow pipe is connected with the fixed head and is communicated with the overflow hole in the liner chassis through the fixed head; the other end of the overflow pipe penetrates through the mounting hole and extends into the base.

2. The overflow structure of a dishwasher according to claim 1, wherein: the fixing head is a tube body which is communicated up and down, the fixing head comprises a fixing part and an inserting part which are connected, the fixing part is fixed in the overflow hole, and the inserting part is inserted with a tube opening at one end of the overflow tube.

3. The overflow structure of a dishwasher of claim 2, wherein: the overflow hole is a through hole which is communicated up and down, and comprises an upper orifice and a lower orifice; the inner container chassis is provided with a fastening groove positioned at the edge of the upper orifice of the overflow hole, and the periphery of the fixing part is provided with a fastening block fastened with the fastening groove.

4. The overflow structure of a dishwasher of claim 3, wherein: the inner container chassis is also provided with a limiting groove positioned at the edge of the upper orifice of the overflow hole, and the periphery of the fixing part of the fixing head is provided with a buckling lug which is spliced with the limiting groove.

5. The overflow structure of a dishwasher of claim 3, wherein: the insertion end of the overflow pipe connected with the fixing head is made of elastic materials; the periphery of the insertion part of the fixed head is provided with at least two convex rings which are arranged at intervals up and down, and the liner base plate is provided with an annular convex rib positioned on the inner wall of the overflow hole; when the inserting part of the fixing head is inserted with the inserting end of the overflow pipe and is fixed in the overflow hole, the annular convex rib is positioned between the two adjacent convex rings.

6. The overflow structure of a dishwasher according to claim 5, wherein: the convex ring of the fixed head is provided with an annular oblique angle edge and an annular right angle edge, the annular oblique angle edge is arranged on the lower surface of the convex ring, and the annular right angle edge is arranged on the upper surface of the convex ring.

7. A dishwasher, characterized by: the overflow structure of the dish washing machine comprises an inner container and an overflow structure of the dish washing machine as claimed in any one of claims 2 to 6, wherein the inner container is vertically connected with the base, the inner container chassis is positioned at the bottom of the inner container, the front edge of the inner container chassis is provided with a raised surrounding edge, the overflow hole is formed in the surrounding edge, and the mounting hole is formed in the front wall of the base; the overflow pipe is a bending pipe which is shaped, and the shape of the overflow pipe is matched with the outline of the outer wall of the surrounding edge.

8. The dishwasher of claim 7, wherein: support ribs corresponding to the installation positions of the overflow pipes are arranged on the peripheries of the surrounding edges, extend outwards from the upper parts of the surrounding edges and abut against the peripheries of the overflow pipes; and the periphery of the surrounding edge is also provided with a positioning groove which is embedded with the overflow pipe.

9. The dishwasher of claim 7, wherein: the surrounding edges are respectively provided with a front retaining wall and a rear retaining wall which surround the edge of the overflow hole and are oppositely arranged, and the front retaining wall is positioned on the edge of the surrounding edge; the surrounding edge is obliquely arranged towards the inner container chassis, so that the height of the front retaining wall is higher than that of the rear retaining wall; the fixing part of the fixing head is also provided with a flange which extends upwards, when the fixing head is sleeved on the overflow hole, the fixing part is embedded between the front retaining wall and the rear retaining wall, and the flange extends to the surface of the front retaining wall.

10. The dishwasher of claim 7, wherein: the base is also provided with a water receiving tray positioned on the front wall of the base, and the front wall of the base is also provided with a water inlet hole which is connected with the water receiving tray and communicated with the inside of the base; the base is further provided with a skirting board positioned on the front wall of the base, a water collecting groove for collecting overflow discharged from the overflow holes is formed in the skirting board, a converging port positioned in the water collecting groove is further formed in the skirting board, and the converging port and the water receiving tray are arranged in an up-and-down alignment mode.

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