A door assembly of a dishwasher and a dishwasher

By installing a buffer strip at the bottom of the door guide rail of the dishwasher door assembly, the impact force when the dish rack slides is buffered, solving the problems of high noise and short service life of the dish rack assembly, and achieving smoother pushing and pulling and better sealing effect.

CN224441282UActive Publication Date: 2026-07-03VATTI CORP LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
VATTI CORP LTD
Filing Date
2025-06-11
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

In existing dishwashers, the rack assembly collides with the door assembly's guide rail during the pushing and pulling process, generating a large impact force, resulting in high noise and reduced lifespan.

Method used

A buffer strip is installed at the bottom of the door guide rail of the door assembly to cover the connection between the basket guide rail and the door guide rail, so as to buffer the impact force when the basket slides, and is fixed by folding edge and positioning parts to enhance stability and sealing performance.

Benefits of technology

It reduces noise during the pushing and pulling of the dish basket, improves the user experience, extends the service life of the dish basket components, and improves the sealing effect to prevent water leakage.

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Abstract

This utility model provides a dishwasher door assembly and a dishwasher. The door assembly includes a door panel and a buffer strip. A door guide rail is provided on the inner side of the door panel, extending along the height direction of the door panel. The buffer strip is located at the bottom end of the door panel and covers the bottom end of the door guide rail. The dishwasher door assembly and dishwasher provided by this utility model can reduce noise during the pushing and pulling process of the dish rack assembly, improve the user experience, and extend the service life of the dishwasher dish rack assembly.
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Description

Technical Field

[0001] This utility model relates to the field of kitchen appliance technology, and in particular to a dishwasher door assembly and a dishwasher. Background Technology

[0002] Dishwashers typically have multiple pull-out dish rack assemblies. The bottom rack assembly slides outwards along guide rails on the door assembly during operation, eventually stopping by colliding with the end of the rails. However, because the internal rack rails and the door rails are not structurally continuous, significant impacts during this process can produce loud noises, negatively affecting the user experience and leading to complaints. Furthermore, the rollers on the rack assemblies are generally made of plastic, which can significantly reduce their lifespan if subjected to strong impacts.

[0003] Therefore, there is a need to provide an improved technical solution that addresses the shortcomings of the existing technology. Utility Model Content

[0004] The purpose of this invention is to provide a dishwasher door assembly that can reduce the noise of the dish rack assembly during the pushing and pulling process, improve the user experience, and extend the service life of the dishwasher dish rack assembly.

[0005] Another objective of this invention is to provide a dishwasher that includes the aforementioned dishwasher door assembly, which can reduce the noise of the dish rack assembly during the pushing and pulling process, improve the user experience, and extend the service life of the dishwasher dish rack assembly.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A door assembly for a dishwasher includes a door panel and a buffer strip; a door guide rail is provided on the inner side of the door panel, the door guide rail extending along the height direction of the door panel; the buffer strip is located at the bottom end of the door panel, and the buffer strip covers the bottom end of the door guide rail.

[0008] According to one embodiment of the present invention, there are two door guide rails, which are located on the inner sides of both ends of the door panel respectively; the two ends of the buffer strip cover the bottom ends of the two door guide rails respectively.

[0009] According to one embodiment of the present invention, the bottom outer side of the door panel is provided with an upwardly extending folded edge, the buffer strip includes a plate-shaped buffer part, the buffer part covers the bottom end of the door guide rail; the bottom of the buffer part extends outward and is provided with a mounting part; the cross-section of the mounting part is inverted U-shaped, and the folded edge is inserted into the groove of the mounting part.

[0010] According to one embodiment of the present invention, the bottom end of the buffer portion and the mounting portion is provided with an outwardly extending sealing portion.

[0011] According to one embodiment of the present invention, the mounting part and the folded edge are fixedly connected by a positioning member.

[0012] According to one embodiment of the present invention, the positioning element is a screw, bolt, or rivet.

[0013] According to one embodiment of the present invention, a limiting part is provided at the top of the door guide rail.

[0014] This utility model also provides a dishwasher, including an inner tub and the aforementioned dishwasher door assembly; the door panel is closably disposed at the opening of the inner tub; the inner wall of the inner tub is provided with a dish basket guide rail corresponding to the door guide rail, and a dish basket that can slide along the dish basket guide rail is provided on the dish basket guide rail; when the door panel is opened and horizontal, the dish basket can slide along the dish basket guide rail onto the door guide rail.

[0015] According to one embodiment of the present invention, the bottom end of the door panel is hinged to the inner liner, so that the door panel can rotate around the bottom end of the door panel.

[0016] According to one embodiment of the present invention, the bowl basket is provided with rollers that can slide on the bowl basket guide rail.

[0017] Compared with the prior art, the advantages and beneficial effects of the embodiments of this utility model are as follows:

[0018] The dishwasher door assembly and dishwasher provided in this embodiment allow the dishwasher basket to slide from its basket guide rail to the door guide rail when the door assembly is opened horizontally. Because the buffer strip covers the bottom end of the door guide rail (near the end of the basket guide rail), i.e., the buffer strip is located at the connection between the door guide rail and the basket guide rail, the impact force when the basket slides from the basket guide rail to the door guide rail is buffered. This reduces noise during the pushing and pulling process of the basket, improving the user experience. Simultaneously, it reduces the impact on the sliding parts of the basket (e.g., rollers), extending the service life of the dishwasher basket assembly. Furthermore, the buffer strip reduces the step difference between the basket guide rail and the door guide rail, improving the smoothness of pushing and pulling the basket. Additionally, the buffer strip also serves a sealing function; when the door assembly is closed, it forms a good seal with the inner tub of the dishwasher, preventing water from leaking out from the bottom of the door assembly. Attached Figure Description

[0019] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an undue limitation of this utility model. Wherein:

[0020] Figure 1 A schematic diagram of the structure of the dishwasher door assembly provided in an embodiment of this utility model;

[0021] Figure 2 A schematic diagram of the door assembly of the dishwasher provided in an embodiment of the present utility model from another angle;

[0022] Figure 3 A front view of the door assembly of a dishwasher provided in an embodiment of the present invention;

[0023] Figure 4 A side view of the door assembly of a dishwasher provided in an embodiment of the present utility model;

[0024] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0025] Figure 6 A front view of the door panel of a dishwasher door assembly provided in an embodiment of the present utility model;

[0026] Figure 7 A side view of the door panel of a dishwasher door assembly provided in an embodiment of the present invention;

[0027] Figure 8 For Figure 7 Enlarged view of point B in the middle;

[0028] Figure 9 Rear view of the door panel of the dishwasher door assembly provided in an embodiment of the present utility model;

[0029] Figure 10 A front view of the buffer strip of the dishwasher door assembly provided in an embodiment of the present invention;

[0030] Figure 11 A side view of the buffer strip of the door assembly of a dishwasher provided in an embodiment of the present invention;

[0031] Figure 12 Rear view of the buffer strip of the door assembly of a dishwasher provided in an embodiment of the present invention;

[0032] Figure 13 A schematic diagram of the movement state of the dishwasher basket provided in this embodiment of the utility model. Figure 1 ;

[0033] Figure 14 A schematic diagram of the movement state of the dishwasher basket provided in this embodiment of the utility model. Figure 2 ;

[0034] Figure 15A schematic diagram of the movement state of the dishwasher basket provided in this embodiment of the utility model. Figure 3 .

[0035] Explanation of reference numerals in the attached figures:

[0036] 1. Door panel; 11. Door guide rail; 12. Limiting part; 13. Folded edge; 2. Buffer strip; 21. Buffer part; 22. Mounting part; 23. Positioning part; 24. Sealing part; 3. Inner liner; 4. Dish basket; 41. Dish basket guide rail; 42. Roller. Detailed Implementation

[0037] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Various examples are provided by way of explanation of the present invention and not by way of limitation. In fact, those skilled in the art will recognize that modifications and variations can be made to the present invention without departing from the scope or spirit of the invention. For example, a feature shown or described as part of one embodiment may be used in another embodiment to produce yet another embodiment. Therefore, it is desirable that the present invention encompass such modifications and variations that fall within the scope of the appended claims and their equivalents.

[0038] In the description of this utility model, the terms "first," "second," and similar words do not indicate any order, quantity, or importance, but are only used to distinguish different components. Words such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects. Terms such as "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and do not require that this utility model be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. The terms "connected," "linked," and "set up" used in this utility model should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a direct connection or an indirect connection through intermediate components; a wired connection, a radio connection, or a wireless communication signal connection. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0039] like Figure 1 , Figure 2 As shown, this embodiment of the utility model provides a door assembly for a dishwasher, including a door panel 1 and a buffer strip 2. For clarity, the following definitions are provided. Figure 1(That is, when the door assembly is closed vertically during use) the upper part is called "up" and the lower part is called "down". The door panel 1 has a door guide rail 11 on its inner side, which extends along the height direction of the door panel 1. The buffer strip 2 is located at the bottom end of the door panel 1 and covers the bottom end of the door guide rail 11.

[0040] like Figures 13-15 As shown in the embodiment of this utility model, when the dishwasher door assembly is installed on the inner tub 3 of the dishwasher and opened horizontally, the dishwasher basket 4 can slide from its basket guide rail 41 to the door guide rail 11. Since the buffer strip 2 covers the bottom end of the door guide rail 11 (near the end of the basket guide rail 41), that is, the buffer strip 2 is located at the connection between the door guide rail 11 and the basket guide rail 41, the impact force when the basket 4 slides from the basket guide rail 41 to the door guide rail 11 is buffered, which can reduce the noise of the basket 4 during the pushing and pulling process, improve the user experience, and at the same time, reduce the impact on the sliding parts of the basket 4 (such as the rollers 42), extending the service life of the dishwasher basket assembly. In addition, the buffer strip 2 can reduce the step difference between the basket guide rail 41 and the door guide rail 11, improving the smoothness of pushing and pulling the basket 4. In addition, the buffer strip 2 can also serve as a seal. When the door assembly is closed, it can form a good seal with the inner tub 3 of the dishwasher, preventing water inside the dishwasher from seeping out from the bottom of the door assembly.

[0041] like Figures 1-3 As shown, in one embodiment of this utility model, a limiting part 12 is provided at the top of the door guide rail 11. For example, a stop block can be provided to prevent the basket 4 from continuing to slide on the door guide rail 11. In this embodiment, the door guide rail 11 is a guide groove provided on the inner side of the door panel 1. Furthermore, the limiting part 12 is the side wall at the end of the guide groove. When the roller 42 of the basket 4 slides to the limiting part 12 in the guide groove, it is blocked by the limiting part 12 and no longer slides.

[0042] like Figures 1-3 As shown, in one embodiment of this utility model, there are two door guide rails 11, which are located on the inner sides of both ends of the door panel 1, and the two ends of the buffer strip 2 cover the bottom ends of the two door guide rails 11 respectively.

[0043] To securely install the buffer strip 2, as follows: Figures 4-12As shown, in one embodiment of this utility model, the bottom outer side of the door panel 1 (the side away from the dishwasher inner tub) is provided with an upwardly extending flange 13. The buffer strip 2 includes a plate-shaped buffer portion 21, which covers the bottom end of the door guide rail 11 and is used to buffer the dish rack 4. The bottom of the buffer portion 21 extends outward to cover the bottom end of the door panel 1 and is provided with a mounting portion 22. The cross-section of the mounting portion 22 is inverted U-shaped, and the flange 13 is inserted into the groove of the mounting portion 22. In order to enhance the stability of the buffer strip 2, the mounting portion 22 and the flange 13 are fixedly connected by a positioning member 23, such as a screw, bolt, or rivet. In this embodiment, a blind rivet is used as the positioning member.

[0044] To improve sealing performance, such as Figure 5 , Figures 10-12 As shown, in one embodiment of this utility model, the bottom ends of the buffer portion 21 and the mounting portion 22 are provided with outwardly extending sealing portions 24. When the door assembly is closed, the sealing portion 24 can abut against the inner tub 3 of the dishwasher and provide a sealing effect through the elasticity after deformation.

[0045] like Figures 13-15 As shown, this utility model also provides a dishwasher, including an inner tub 3 and the aforementioned dishwasher door assembly. The door panel 1 is closable at the opening of the inner tub 3. The inner wall of the inner tub 3 is provided with a dish rack guide rail 41 corresponding to the door guide rail 11, and a dish rack 4 that can slide along the dish rack guide rail 41 is provided on the dish rack guide rail 41. When the door panel 1 is open and horizontal, the dish rack 4 can slide along the dish rack guide rail 41 onto the door guide rail 11. In this embodiment, the dish rack 4 is provided with rollers 42 that can slide on the dish rack guide rail 41. To prevent rusting, the rollers are made of plastic. Specifically, the bottom end of the door panel 1 is hinged to the inner tub 3, so that the door panel 1 can rotate around the bottom end of the door panel 1. When the door panel 1 is vertical, it is in a closed state; when the door panel 1 is horizontal, it is in an open state.

[0046] When the door assembly is open and horizontal, the dish rack 4 can slide from the dish rack guide rail 41 to the door guide rail 11. Because the buffer strip 2 covers the bottom end of the door guide rail 11 (near the end of the dish rack guide rail 41), i.e., the buffer strip 2 is located at the connection between the door guide rail 11 and the dish rack guide rail 41, the impact force when the dish rack 4 slides from the dish rack guide rail 41 to the door guide rail 11 is buffered. This reduces noise during the pushing and pulling process of the dish rack 4, improving the user experience. Simultaneously, it reduces the impact on the sliding parts of the dish rack 4 (such as the rollers 42), extending the service life of the dishwasher dish rack assembly. Furthermore, the buffer strip 2 reduces the step difference between the dish rack guide rail 41 and the door guide rail 11, improving the smoothness of pushing and pulling the dish rack 4. Additionally, the buffer strip 2 also serves a sealing function; when the door assembly is closed, it forms a good seal with the dishwasher's inner tub 3, preventing water from leaking out from the bottom of the door assembly.

[0047] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A door assembly of a dishwasher, characterized in that, It includes a door panel (1) and a buffer strip (2); the door panel (1) is provided with a door guide rail (11) on the inner side, and the door guide rail (11) extends along the height direction of the door panel (1); the buffer strip (2) is provided at the bottom end of the door panel (1), and the buffer strip (2) covers the bottom end of the door guide rail (11).

2. The door assembly of claim 1, wherein, There are two door guide rails (11), which are located on the inner sides of both ends of the door panel (1); the two ends of the buffer strip (2) cover the bottom ends of the two door guide rails (11). 3.The door assembly of the dish washer according to claim 1 or 2, characterized in that, The bottom outer side of the door panel (1) is provided with an upwardly extending folded edge (13), and the buffer strip (2) includes a plate-shaped buffer part (21), which covers the bottom of the door guide rail (11); the bottom of the buffer part (21) extends outward and is provided with a mounting part (22); the cross-section of the mounting part (22) is inverted U-shaped, and the folded edge (13) is inserted into the groove of the mounting part (22).

4. The door assembly of the dishwasher according to claim 3, characterized in that, The bottom ends of the buffer part (21) and the mounting part (22) are provided with outwardly extending sealing parts (24). 5.The door assembly of the dish washer according to claim 3, characterized in that, The mounting part (22) and the folded edge (13) are fixedly connected by a positioning member (23). 6.The door assembly of the dish washer according to claim 5, characterized in that, The positioning element (23) is a screw, bolt or rivet. 7.The door assembly of the dish washer according to claim 1 or 2, characterized in that, The top of the door guide rail (11) is provided with a limiting part (12).

8. A dishwasher, characterized in that The dishwasher includes an inner liner (3) and a door assembly according to any one of claims 1 to 7; the door panel (1) is openably disposed at the opening of the inner liner (3); the inner wall of the inner liner (3) is provided with a dish rack guide rail (41) corresponding to the door guide rail (11), and a dish rack (4) is provided on the dish rack guide rail (41) that can slide along the dish rack guide rail (41); when the door panel (1) is opened and horizontal, the dish rack (4) can slide along the dish rack guide rail (41) onto the door guide rail (11).

9. The dishwasher according to claim 8, characterized in that, The bottom end of the door panel (1) is hinged to the inner liner (3), so that the door panel (1) can rotate around the bottom end of the door panel (1). 10.The dish washer of claim 8, wherein The basket (4) is provided with rollers (42) that can slide on the basket guide rail (41).