CN217040041U

CN217040041U - Water cup assembly of dish washing machine and dish washing machine

Info

Publication number: CN217040041U
Application number: CN202220318100.9U
Authority: CN
Inventors: 戴钧; 林志江; 刘玉龙; 张景状; 朱振华
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-07-26
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a drinking cup subassembly and dish washer of dish washer, the drinking cup subassembly includes: a cup having a receiving cavity; the sealing ring is arranged in the accommodating cavity, one of the cavity wall of the accommodating cavity and the sealing ring is provided with a positioning hole, the other sealing ring is provided with a positioning bulge, and the positioning bulge extends into the positioning hole. According to the utility model discloses drinking cup subassembly of dish washer is equipped with the locating hole and another is equipped with the location arch through one in the chamber wall that holds the chamber and the sealing washer, and the location arch is stretched into in the locating hole, avoids sealing washer and drinking cup relative slip, and the difficult pine of sealing washer takes off or misplaces, has improved sealed effect, and drinking cup subassembly is difficult for leaking, and the long service life of sealing washer.

Description

Water cup assembly of dish washing machine and dish washing machine

Technical Field

The utility model relates to a dish washer makes technical field, more specifically relates to a drinking cup subassembly and dish washer of dish washer.

Background

In the related art, the water cup component of the dish washing machine mainly comprises a water cup and a sealing ring, wherein the water cup and the sealing ring are installed in a manual assembly mode, so that the problem of water leakage caused by the fact that the sealing ring is loosened or not installed in place easily occurs.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a drinking cup subassembly of dish washer, the drinking cup subassembly of dish washer makes sealing washer and drinking cup cooperation target in place and the difficult pine of sealing washer portion take off to solve the drinking cup subassembly problem of leaking.

Another object of the utility model is to provide a dish washer with above-mentioned drinking cup subassembly

According to the utility model discloses drinking cup subassembly of dish washer, include: a cup having a receiving cavity; the sealing ring is arranged in the accommodating cavity, one of the cavity wall of the accommodating cavity and the sealing ring is provided with a positioning hole, the other one of the cavity wall of the accommodating cavity and the sealing ring is provided with a positioning bulge, and the positioning bulge extends into the positioning hole.

According to the utility model discloses drinking cup subassembly of dish washer is equipped with the locating hole and another is equipped with the location arch through one in the chamber wall that holds the chamber and the sealing washer, and the location arch is stretched into in the locating hole, avoids sealing washer and drinking cup relative slip, and the difficult pine of sealing washer takes off or misplaces, has improved sealed effect, and drinking cup subassembly is difficult for leaking, and the long service life of sealing washer.

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

according to some embodiments of the utility model, the sealing washer with the integrative injection moulding of drinking cup.

According to some embodiments of the utility model, the chamber wall that holds the chamber is equipped with the locating hole, just the locating hole runs through hold the chamber wall in chamber, the location protruding with the pore wall sealing connection of locating hole.

According to some embodiments of the utility model, the drinking cup is the plastics material, the sealing washer is the elastomer material.

According to some embodiments of the utility model, it has chamber bottom surface and annular chamber global to hold the chamber, the sealing washer has sealed outer peripheral face and sealed bottom surface, sealed outer peripheral face with the global sealing connection in chamber, sealed bottom surface with chamber bottom surface sealing connection.

According to the utility model discloses a some embodiments, the sealing washer includes sealed main part and locates the sealed convex part of the inner peripheral surface of sealed main part, the location arch is located sealed main part.

According to some embodiments of the invention, the sealing protrusion is annular, and a cross-section of an inner circumferential surface of the sealing protrusion is a curved surface.

According to some embodiments of the utility model, hold the chamber wall in chamber with one of the sealing washer is equipped with sealed recess, and another is equipped with and stretches into sealed protruding of sealed recess.

According to some embodiments of the invention, the sealing groove is provided in a cavity peripheral wall of the accommodation cavity.

According to the utility model discloses a dish washer includes according to the utility model discloses a cup subassembly of dish washer.

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

Drawings

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

FIG. 1 is a schematic structural view of a cup assembly of a dishwasher according to an embodiment of the present invention;

FIG. 2 is a top view of a cup assembly of a dishwasher in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of FIG. 3 at circle B;

FIG. 5 is an enlarged schematic view of FIG. 3 at circle C;

FIG. 6 is a schematic structural view of a cup of a dishwasher according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a seal ring according to an embodiment of the present invention;

fig. 8 is an enlarged structural view at circled D in fig. 7.

Reference numerals:

a cup assembly 100;

a water cup 10; a housing chamber 101; a cavity peripheral surface 11; a cavity floor 12; a positioning hole 13; a seal groove 14;

a seal ring 20; a seal outer peripheral surface 21; a seal body 22; a sealed bottom surface 24; a sealing protrusion 25; a sealing projection 26; the positioning projection 27.

Detailed Description

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

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

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

A cup assembly 100 of a dishwasher according to an embodiment of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1, a cup assembly 100 of a dishwasher according to an embodiment of the present invention may include: a water cup 10 and a sealing ring 20.

Specifically, the cup 10 has a receiving cavity 101, and the sealing ring 20 is disposed in the receiving cavity 101 of the cup 10.

In some embodiments, as shown in fig. 3, one of the cavity wall of the accommodating cavity 101 and the sealing ring 20 is provided with a positioning hole 13 and the other is provided with a positioning protrusion 27, and the positioning protrusion 27 extends into the positioning hole 13, on one hand, the positioning protrusion 27 is matched with the positioning hole 13 to position the water cup 10 and the sealing ring 20, on the other hand, the matching area between the sealing ring 20 and the water cup 10 is increased, and the sealing ring 20 is prevented from sliding along the cavity wall of the water cup 10, thereby being beneficial to improving the sealing effect between the sealing ring 20 and the water cup 10.

In addition, the positioning hole 13 is formed in the water cup 10, so that the integrity and the structural stability of the sealing ring 20 can be guaranteed, and the sealing life is prevented from being influenced by the breakage of the sealing ring 20.

It should be noted that, the utility model discloses do not do special restriction to the quantity that sets up of location arch 27, location arch 27 can be one or more. In the embodiment where the positioning protrusions 27 are plural, the plural positioning protrusions 27 may be uniformly spaced along the circumferential direction of the seal ring 20 to improve the positioning uniformity and the sealing uniformity of the seal ring 20. Taking fig. 7 as an example, the sealing ring 20 is provided with two positioning protrusions 27, the two positioning protrusions 27 are symmetrically arranged along the circumferential direction of the sealing ring, and the water cup 10 is provided with positioning holes 13 corresponding to the two positioning protrusions 27 one by one.

According to the utility model discloses drinking cup subassembly 100 of dish washer is equipped with locating hole 13 and another and is equipped with location arch 27 through one in the chamber wall that holds chamber 101 and the sealing washer 20, and location arch 27 is stretched into locating hole 13, avoids sealing washer and drinking cup relative slip, and the difficult pine of sealing washer takes off or misplaces, has improved sealed effect, and the drinking cup subassembly is difficult for leaking, and the long service life of sealing washer.

According to the utility model discloses a some embodiments, as shown in fig. 1, sealing washer 20 and drinking cup 10 can integrative injection moulding, in other words, after drinking cup 10 and sealing washer 20 injection-molded finish, the assembly of drinking cup 10 with sealing washer 20 has been accomplished simultaneously promptly, has saved the process of manual assembly among the correlation technique, has saved the manpower, has improved production efficiency, has reduced manufacturing cost to the easy pine of sealing washer 20 of having avoided manual assembly to exist takes off or the not in place problem of installation.

In addition, the injection-molded sealing ring 20 can be in full contact with the cavity wall of the water cup 10, no gap is generated, and meanwhile, the sealing ring and the water cup can be fully attached through intermolecular force, so that the water leakage problem is avoided. The sealing ring 20 is positioned by intermolecular force and the positioning hole 13, the sealing ring 20 is fully attached to the cavity wall of the water cup 10 and cannot be detached, and a gap caused by insufficient contact is avoided, so that the water leakage phenomenon between the sealing ring 20 and the water cup 10 is prevented.

In some embodiments, as shown in fig. 1 and 5, the cavity wall of the accommodating cavity 101 is provided with the positioning hole 13, the sealing ring 20 is provided with the positioning protrusion 27, and the positioning hole 13 is provided in the cavity wall of the accommodating cavity 101 instead of the sealing ring 20, which is beneficial to ensuring the integrity and structural stability of the sealing ring 20 and avoiding the sealing ring 20 from being broken to affect the sealing life.

In some specific embodiments, the positioning hole 13 penetrates through the cavity wall of the accommodating cavity 101, the positioning hole 13 is formed as a through hole, and the positioning protrusion 27 is in sealing connection with the hole wall of the positioning hole 13 to seal the through hole.

Specifically, on the one hand, the positioning hole 13 penetrating through the cavity wall of the accommodating cavity 101 can not only increase the matching size of the positioning protrusion and the positioning hole 13, but also improve the positioning and sealing effects. On the other hand, the through positioning hole 13 can be used as an injection molding hole, the sealing ring 20 is injection molded through the positioning hole 13 on the cavity wall of the containing cavity 101 of the water cup 10, and the sealing ring 20 formed after injection molding is connected with the cavity wall of the containing cavity 101 through intermolecular force and positioned with the positioning hole 13.

Because the sealing ring 20 is formed by injection molding through the positioning hole 13, the sealing ring 20 can be fully contacted with the cavity peripheral surface 11 and the cavity bottom surface 12 of the cavity wall of the water cup 10, so that the sealing ring 20 is tightly attached and connected with the water cup 10.

In some embodiments, as shown in FIG. 7, the cup 10 is made of plastic, and the sealing ring 20 can be made of elastomer or the like. The elastomer material has the characteristics of high elasticity, permanent compression and simple process, is an environment-friendly low-carbon composite material, and the sealing ring 20 made of the elastomer material can form good sealing property and has low processing cost.

In some embodiments, the elastomeric material is thermoplastic, and the thermoplastic elastomeric material has superior processability and can be injection molded without high temperature vulcanization. The matching with the material of the cup 10 can prevent the cup 10 from deforming or even melting due to high temperature in the injection molding process of the sealing ring 20.

As shown in fig. 1, in the actual production process, a plastic material may be injected into a mold to obtain the cup 10, the cup 10 has a through positioning hole 13, then a thermoplastic elastic material is injected into the mold through the positioning hole 13 to form the sealing ring 20 on the cavity wall of the accommodating cavity 101, and finally the sealing ring 20 and the cup 10 connected to each other can be obtained by demolding, and the sealing ring 20 is in full contact with the cavity wall to realize reliable sealing.

In the whole production process, the sealing ring 20 can be formed without secondary high-temperature vulcanization, the process is simple, and meanwhile, the problems that the sealing ring 20 is loosened or not installed in place and the like are avoided.

According to some embodiments of the present invention, as shown in fig. 5, 6 and 7, the accommodating chamber 101 has a chamber bottom surface 12 and an annular chamber peripheral surface 11, the sealing ring 20 has a sealing outer peripheral surface 21 and a sealing bottom surface 24, the sealing outer peripheral surface is in sealing connection with the chamber peripheral surface 11, and the sealing bottom surface 24 is in sealing connection with the chamber bottom surface 12.

Specifically, the cavity peripheral surface 11 of the accommodating cavity 101 faces the center of the accommodating cavity 101, the cavity bottom surface 12 of the accommodating cavity 101 is connected with the cavity peripheral surface 11, and the cavity bottom surface 12 is opened towards the top of the water cup 10, so that the cavity peripheral surface 11 is connected with the cavity bottom surface 12 to form a surface with a generally L-shaped cross section.

The seal outer peripheral surface 21 and the seal bottom surface 24 constitute a surface having a substantially L-shaped cross section. The sealing peripheral surface 21 is matched with the cavity peripheral surface 11, and the sealing bottom surface 24 is matched with the cavity bottom surface 12, so that the sealing connection of the two L-shaped surfaces is realized, the sealing area is increased, the sealing effect is improved, and the connection reliability between the sealing ring 20 and the water cup 10 is improved.

In some specific embodiments, as shown in fig. 1 and fig. 3, after injection molding, the sealing outer peripheral surface 21 and the cavity peripheral surface 11 may be connected by intermolecular force, and the sealing bottom surface 24 and the cavity bottom surface 12 may also be connected by intermolecular force, so as to increase the contact area and the connection area between the sealing ring 20 and the cavity wall of the accommodating cavity 101.

According to some embodiments of the present invention, as shown in fig. 7, the sealing ring 20 includes a sealing main body 22 and a sealing protrusion 25 provided on an inner circumferential surface of the sealing main body 22, and a positioning protrusion 27 is provided on the sealing main body 22.

The sealing protrusion 25 may be elastically deformed when it comes into contact with other coupling members to further improve the sealing effect.

In some embodiments, the sealing ring 20 is integrally injection-molded, the positioning protrusion 27 of the sealing ring 20 and the sealing body 22 form an integral structure without a gap through an injection molding process, and the sealing ring 20 has a stable structure and a good sealing effect.

In some embodiments, the outer periphery of the sealing body 22 may be formed as a sealing outer periphery 21 and the bottom surface of the sealing body 22 may be formed as a sealing bottom surface 24, forming a large area connection and sealing structure with the cup 10 through the sealing body 22.

In some embodiments, the axial cross-section of the sealing protrusion 25 may be provided in a variety of shapes, such as triangular, arcuate, and the like.

In some specific embodiments, as shown in fig. 4 and 7, the sealing protrusion 25 may be annular, that is, the sealing protrusion 25 extends for a full circle along the circumferential direction of the sealing ring 20, and the section of the inner circumferential surface of the sealing protrusion 25 is a cambered surface, and the section of the inner circumferential surface is an annular radial section. Specifically, the cambered surface can increase the contact area of the sealing convex part 25 and other structures, reduce the gap between the sealing convex part 25 and other connecting parts, and enhance the sealing effect. And the curved surface has good resilience, so that the sealing convex part 25 is not easy to rub and damage in the process of connecting the water cup assembly 100 with other structures.

According to the cup assembly 100 of the dishwasher of the present invention, as shown in fig. 6 and 8, one of the chamber wall accommodating the chamber 101 and the sealing ring 20 is provided with the sealing groove 14, and the other is provided with the sealing protrusion 26 protruding into the sealing groove 14.

For example, a sealing groove 14 may be formed on the wall of the accommodating cavity 101, the sealing groove 14 faces the center of the cup 10, and the sealing protrusion 26 of the sealing ring 20 extends into the sealing groove 14, for example, during the injection molding process, the injection molding material flows into the sealing groove 14 to form the sealing protrusion 26 in the sealing groove 14, so that the sealing protrusion 26 is matched with the sealing groove 14.

The matching area and the positioning interference amount between the sealing ring 20 and the water cup 10 can be further increased through the matching of the sealing bulge 26 and the sealing groove 14, so that the sealing ring is further prevented from loosening, and the sealing effect is improved.

It should be noted that the specific structure defining the sealing groove 14 can be flexibly configured according to actual situations. In some embodiments, the sealing groove 14 is formed by recessing the wall surface of the receiving chamber 101.

In other embodiments, a flange is arranged on the cavity peripheral surface 11 of the accommodating cavity 101, and a sealing groove 14 is defined between the flange and the cavity bottom surface 12; in still other embodiments, two flanges are provided on the cavity peripheral surface 11 of the receiving cavity 101, and the two flanges are spaced apart to define a groove 14 therebetween.

In some specific embodiments, as shown in fig. 6, the sealing groove 14 is provided in the cavity peripheral wall of the accommodation cavity 101. Specifically, the seal groove 14 is provided in the cavity peripheral wall, and the injection material is likely to flow into the seal groove 14 when the seal ring 20 is injected. On the one hand, the sealing ring 20 is easy to shape; on the other hand, the injection molding material is in full contact with the sealing groove 14, and the sealing effect is improved.

In some embodiments, as shown in fig. 3, the sealing groove 14 is communicated with the positioning hole 13, so that during the injection molding of the sealing ring 20 through the positioning hole 13, the injection molding material can flow to the position of the sealing groove 14 more easily, and the integrity of the sealing ring 20 and the reliability of the sealing are ensured.

According to the utility model discloses the dish washer includes according to the utility model discloses the drinking cup subassembly 100 of dish washer, because according to the utility model discloses the drinking cup subassembly 100 of dish washer of embodiment has above-mentioned profitable technological effect, consequently according to the utility model discloses the dish washer of embodiment is equipped with locating hole 13 and another through one in the chamber wall that holds chamber 101 and the sealing washer 20 and is equipped with location arch 27, and location arch 27 is equipped with during stretching into locating hole 13, avoids sealing washer 20 and drinking cup 10 relative slip, and the difficult pine of sealing washer 20 takes off or misplaces, has improved sealed effect, and drinking cup subassembly 100 is difficult for leaking, and sealing washer 20's long service life.

A dishwasher in accordance with one embodiment of the present invention will be described in detail with reference to the accompanying drawings, it being understood that the following description is illustrative only and should not be construed as limiting the invention.

As shown in FIG. 1, the dishwasher includes an inner chamber of the dishwasher and a cup assembly 100 of the dishwasher according to an embodiment of the present invention; the cup assembly 100 of the dishwasher includes a cup 10 and a gasket 20.

Specifically, the inner cavity of the dishwasher is in fit connection with the water cup, and the sealing ring 20 is used for sealing the gap between the inner cavity of the dishwasher and the water cup. As shown in FIG. 6, the cup 10 is formed by a plastic injection mold, and the injection molded cup 10 has a receiving cavity 101, and the receiving cavity 101 has a cavity periphery 11 and a cavity bottom 12. Specifically, the cavity peripheral surface 11 of the accommodating cavity 101 faces the center of the accommodating cavity 101, the cavity bottom surface 12 of the accommodating cavity 101 is connected with the cavity peripheral surface 11, and the cavity bottom surface 12 is opened towards the top of the water cup 10, so that the cavity peripheral surface 11 is connected with the cavity bottom surface 12 to form a surface with a generally L-shaped cross section.

Two symmetrical positioning holes 13 are formed in the cavity wall of the accommodating cavity 101, and the positioning holes 13 penetrate through the cavity wall of the accommodating cavity 101. The positioning hole 13 may be used as an injection hole for injection molding the seal ring 20. Meanwhile, the wall surface of the accommodating cavity 101 of the water cup 10 is recessed to form a sealing groove 14.

As shown in FIGS. 1 and 7, the sealing ring 20 is formed by injecting a thermoplastic elastomer material into the positioning hole 13 of the accommodating cavity 101 of the cup 10, the formed sealing ring 20 forms two symmetrical positioning protrusions 27 in the positioning hole 13, and the positioning protrusions 27 extend into the positioning hole 13. During injection molding of the seal ring 20, the thermoplastic elastomer material flows into the seal groove 14 to form a seal bead 26 in the seal groove 14, the seal bead 26 being formed to mate with the seal groove 14.

Meanwhile, the inner circumferential surface of the injection-molded sealing ring 20 is provided with a sealing convex part 25, and the sealing convex part 25 is matched with other connecting pieces; the outer peripheral surface of the seal ring 20 and the seal bottom surface 24 form a surface having a substantially L-shaped cross section to be fitted to the cavity peripheral surface 11 and the cavity bottom surface 12.

As shown in fig. 1 and 3, the positioning protrusion 27 on the sealing ring 20 extends into the positioning hole 13 on the cavity wall of the cup 10, on one hand, the sealing ring 20 is prevented from sliding relative to the cup 10, the sealing ring 20 is not easy to loosen or dislocate, the sealing effect is improved, and the cup assembly 100 is not easy to leak water.

On the other hand, the sealing ring 20 is formed by injection molding through an injection molding hole, the outer peripheral surface of the sealing ring 20 and the peripheral surface 11 of the cavity can be connected in a matching manner through intermolecular acting force, and the sealing bottom surface 24 and the cavity bottom surface 12 can also be connected and matched in a connecting manner through intermolecular acting force, so that an L-shaped surface formed on the containing cavity 101 is contacted with an L-shaped surface formed by the sealing ring 20, the sealing connection of the two L-shaped surfaces is realized, the contact area and the connection area of the sealing ring 20 and the cavity wall of the containing cavity 101 of the water cup 10 are increased, and the sealing effect is further improved. And the sealing ring 20 and the water cup 10 after injection molding can not be detached.

In the injection molding process, the thermoplastic elastomer material flows into the sealing groove 14 of the accommodating cavity 101 to form the sealing protrusion 26 in the sealing groove 14, so that the sealing protrusion 26 is matched with the sealing groove 14, the matching area and the positioning interference amount between the sealing ring 20 and the water cup 10 can be further increased, the sealing ring 20 is further prevented from loosening, and the sealing effect is improved.

Furthermore, as shown in fig. 5 and 7, the sealing convex portion 25 extends for a full circle along the circumferential direction of the sealing ring 20, and the inner circumferential surface of the sealing convex portion 25 is a cambered surface, so that the contact area of the sealing convex portion 25 and other structures in the inner cavity of the dishwasher is increased, the gap between the sealing convex portion 25 and other connecting pieces in the inner cavity of the dishwasher is reduced, and the sealing effect is enhanced; and the cambered surface has good resilience, and the sealing convex part 25 is not easy to rub and damage in the connection process of the water cup component 100 and other structures in the inner cavity of the dish-washing machine, so that the water leakage reject ratio of the dish-washing machine is improved.

Other constructions and operations of the dishwasher according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

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

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

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

Claims

1. A cup assembly for a dishwasher, comprising:

a cup having a receiving cavity;

a sealing ring disposed in the receiving cavity, wherein,

one of the cavity wall of the accommodating cavity and the sealing ring is provided with a positioning hole, the other one of the cavity wall of the accommodating cavity and the sealing ring is provided with a positioning bulge, and the positioning bulge extends into the positioning hole.

2. The dishwasher cup assembly according to claim 1, wherein the gasket is injection molded integrally with the cup.

3. The water cup assembly of the dishwasher of claim 2, wherein the positioning hole is formed in the wall of the accommodating cavity and penetrates through the wall of the accommodating cavity, and the positioning protrusion is in sealing connection with the wall of the positioning hole.

4. The cup assembly of claim 2, wherein the cup is plastic and the gasket is elastomeric.

5. The dishwasher cup assembly according to claim 2, wherein the receiving chamber has a chamber floor and an annular chamber perimeter, the gasket has a sealing perimeter and a sealing floor, the sealing perimeter sealingly engages the chamber perimeter, and the sealing floor sealingly engages the chamber floor.

6. The cup assembly of claim 1, wherein the sealing ring comprises a sealing body and a sealing protrusion disposed on an inner circumferential surface of the sealing body, and the positioning protrusion is disposed on the sealing body.

7. The cup assembly of claim 6, wherein the sealing protrusion is ring-shaped, and a cross-section of an inner circumferential surface of the sealing protrusion is a curved surface.

8. The cup assembly of a dishwasher according to any one of claims 1 to 7, wherein one of the wall of the receiving chamber and the sealing ring is provided with a sealing groove and the other is provided with a sealing protrusion protruding into the sealing groove.

9. The cup assembly of claim 8, wherein the sealing groove is formed in a peripheral wall of the receiving chamber.

10. A dishwasher characterized by comprising a cup assembly of the dishwasher according to any one of claims 1 to 9.