A connecting structure of a housing and a panel of a household appliance

Abstract

This utility model discloses a connection structure between the outer shell and the panel of a household appliance, comprising: the front side of the outer shell is bent backward and extended to form an extension portion; the extension portion is provided with a stamped sheet formed by stamping to separate the front side from the extension portion; the stamped sheet has a folded edge protruding towards the outer shell; the periphery of the panel is provided with a rear flange, the rear flange extending between the extension portion and the outer shell and clamping between the folded edge and the outer shell. The connection structure between the outer shell and the panel of this application eliminates the need for multiple bending of the front side of the outer shell in the prior art; instead, the outer shell is bent downward once to form the extension portion, and the stamped sheet is formed by stamping to deform the local structure on the extension portion, thus separating the front side of the stamped sheet from the extension portion. This avoids the large area of ​​material redundancy reserved for bending the outer shell in traditional solutions, saves material, and simplifies the molding process.

Description

Technical Field

[0001] This application relates to the field of household appliance technology, specifically to a connection structure between the casing and the panel of a household appliance. Background Technology

[0002] Household appliances typically consist of a decorative front panel and a metal frame that supports and fixes the panel. The connection structure between the panel and the frame not only affects the overall aesthetics and sealing of the product, but also directly impacts its structural strength, assembly efficiency, and manufacturing costs.

[0003] Reference Figure 1 As shown, in the prior art, in order to achieve a firm splicing and aesthetic concealment between the panel and the frame, a common and widely used splicing structure design is as follows: The front edge of the metal frame is first bent backward and extended horizontally to form a first horizontal extension 1.1; at the end of this first horizontal extension, it extends forward again and then forward again to form a second horizontal extension 1.2; in order to form a slot or limiting structure for accommodating the panel, an upward bending operation is required at the middle position of the second horizontal extension to form a folded edge 1.3 facing the outer shell; the rear edge of the panel is bent backward to form a panel flange 2.1; during assembly, the panel flange 2.1 is inserted between the first horizontal extension 1.1 and the flange 1.3 of the frame and clamped, thereby realizing the connection between the panel and the frame.

[0004] To achieve the complex bending path of "bending backward - extending backward - bending forward - extending forward - bending the edge towards the shell", the initial width of the frame's sheet metal must be very large. Multiple bending operations require sufficient material length to achieve the bending radius and extension section, increasing the original sheet metal width required for frame forming. Multiple bends, especially bends in opposite directions, may create stress concentration points at the bends, affecting the overall rigidity of the frame and its long-term reliability. Utility Model Content

[0005] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a connection structure between the outer casing and the panel of a household appliance, and the technical solution adopted includes:

[0006] A connection structure between the casing and the panel of a household appliance.

[0007] The front side of the outer shell is bent backward and extended to form an extension. The extension is provided with a stamped sheet formed by stamping to separate the front side from the extension. The stamped sheet has a folded edge that protrudes toward the outer shell.

[0008] The panel has a rear flange on its periphery, which extends between the extension and the outer shell and is clamped between the flange and the outer shell.

[0009] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: the rear end and the rear ends on both sides of the stamping sheet are provided with an upward flange, and the rear side of the stamping sheet is connected to the extension through the upward flange.

[0010] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: the extension is attached to the inner wall of the outer shell.

[0011] The technical solution adopted by one embodiment of this utility model to solve its technical problem is as follows: a recessed platform is provided on the rear flange, the front end of the outer shell and the extension are disposed in the recessed platform, and the front end of the outer shell abuts against the rear side of the recessed platform.

[0012] The technical solution adopted by one embodiment of this utility model to solve its technical problem is as follows: a boss is provided on the side of the rear flange near the stamping sheet, the stamping sheet includes a front half and a rear half that are connected to each other and inclined, the folded edge is formed between the front half and the rear half, and the boss is used to abut against the rear half.

[0013] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: the boss is formed by stamping.

[0014] The technical solution adopted by one embodiment of this utility model to solve its technical problem is as follows: the outer shell includes a top plate and side plates connected to both sides of the top plate. The front side of the top plate and the two side plates are provided with the stamping sheet, and the top and both sides of the panel are provided with the rear flange.

[0015] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: at least two of the stamping plates are provided on the top plate and the side plate.

[0016] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: two corners at the upper end of the panel are respectively provided with rearward extending abutment flanges, which are used to abut against the inner wall of the connection between the top plate and the side plate.

[0017] The beneficial effects of this utility model are as follows: The connection structure between the outer shell and the panel of the household appliance in this application eliminates the need for multiple bending of the front side of the outer shell in the prior art. The outer shell only needs to be bent downward once to form an extension. After stamping, the local structure on the extension is deformed to form a stamping sheet, so that the front side of the stamping sheet is separated from the extension. This avoids the large area of ​​material redundancy reserved for bending the outer shell in the traditional solution, saves materials, and simplifies the molding process. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 The connection structure between the outer casing and the panel of a household appliance in the prior art;

[0020] Figure 2 This is a schematic diagram of the connection structure between the outer casing and the panel of the household appliance in this embodiment;

[0021] Figure 3 This is a cross-sectional view of the connection structure between the outer casing and the panel of the household appliance in this embodiment;

[0022] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0023] Figure 5 This is a schematic diagram of the outer shell structure in this embodiment;

[0024] Figure 6 This is a schematic diagram of the panel structure in this embodiment. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0029] Reference Figure 1-6 The present application proposes an embodiment in which the connection structure between the outer casing and the panel of the household appliance described in this embodiment includes:

[0030] The front side of the outer shell 10 is bent backward and extended to form an extension 11. The extension 11 is provided with a stamped sheet 12 formed by stamping to separate the front side from the extension 11. The stamped sheet 12 has a folded edge 13 that protrudes toward the outer shell 10.

[0031] The panel 20 has a rear flange 21 on its periphery, which extends between the extension 11 and the outer shell 10 and is clamped between the folded edge 13 and the outer shell 10.

[0032] In this application, the connection structure between the outer shell and the panel of the household appliance eliminates the need for multiple bending of the front side of the outer shell 10 in the prior art. Instead, the outer shell 10 is bent downwards once to form the extension 11. After stamping, the local structure on the extension 11 is deformed to form a stamping sheet 12, which separates the front side of the stamping sheet 12 from the extension 11. This avoids the large area of ​​material redundancy reserved for bending the outer shell 10 in the traditional solution, saves materials, and simplifies the molding process.

[0033] In this embodiment, preferably, the rear end and both rear ends of the stamping sheet 12 are provided with an upward flange 14, and the rear side of the stamping sheet 12 is connected to the extension 11 through the upward flange 14.

[0034] The upper flange 14 can be completed simultaneously in the separation process of the stamping sheet 12 without the need for additional processes. The upper flange 14 provides a reserved space between the stamping sheet 12 and the outer shell 10, so that the folded edge 13 has sufficient deformation space to ensure the clamping ability of the stamping sheet 12 on the rear flange 21. At the same time, the stamping sheet 12 and the extension 11 form a continuous material connection through the upper flange 14, which improves the deformation resistance of the stamping sheet 12 and makes it easier to directly transfer the load of the rear part of the stamping sheet 12 to the extension 11, eliminating the concentration of bending moment.

[0035] Preferably, the extension 11 fits against the inner wall of the outer shell 10. When the rear flange 21 is clamped between the outer shell 10 and the stamping sheet 12, it prevents the rear flange 21 from falling off between the stamping sheet 12 and the outer shell 10, and also prevents the panel 20 from shaking.

[0036] Preferably, the rear flange 21 is provided with a recess 22, the front end of the outer shell 10 and the extension 11 are disposed in the recess 22, and the front end of the outer shell 10 abuts against the rear side of the recess 22.

[0037] Referring to the accompanying drawings, after the front end of the outer shell 10 and the extension 11 are disposed in the recess 22, the rear flange 21 is aligned with the height of the outer shell 10, thereby improving the aesthetic appearance.

[0038] Preferably, the rear flange 21 has a boss 23 on the side near the stamping sheet 12. The stamping sheet 12 includes a front half 121 and a rear half 122 that are connected to each other and inclined. The folded edge 13 is formed between the front half and the rear half. The boss 23 is used to abut against the rear half 122 to prevent the rear flange 21 from detaching from the outer shell 10 and the folded edge 13, thereby achieving anti-detachment.

[0039] Specifically, the boss 23 is formed by stamping.

[0040] Preferably, the outer casing 10 includes a top plate 15 and side plates 16 connected to both sides of the top plate 15. The front sides of the top plate 15 and the two side plates 16 are each provided with stamped sheets 12. The top and both sides of the panel 20 are provided with rear flanges 21. Referring to the accompanying drawings, at least two stamped sheets 12 are provided on the top plate 15 and the side plates 16 to ensure the connection stability between the panel 20 and the outer casing 10.

[0041] Furthermore, the two corners at the upper end of the panel 20 are respectively provided with rearward extending abutment flanges 24, which are used to abut against the inner wall of the connection between the top plate 15 and the side plate 16.

[0042] Of course, this utility model is not limited to the described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A connection structure between the outer casing and the panel of a household appliance, characterized in that, The front side of the outer shell (10) is bent backward and extended to form an extension (11). The extension (11) is provided with a stamped sheet (12) formed by stamping to separate the front side from the extension (11). The stamped sheet (12) has a folded edge (13) protruding toward the outer shell (10). The panel (20) has a rear flange (21) on its periphery, which extends between the extension (11) and the outer shell (10) and is clamped between the folded edge (13) and the outer shell (10).

2. The connection structure between the outer casing and the panel of the household appliance according to claim 1, characterized in that, The rear end of the stamping sheet (12) and the rear ends on both sides are provided with an upper flange (14), and the rear side of the stamping sheet (12) is connected to the extension (11) through the upper flange (14).

3. The connection structure between the outer casing and the panel of the household appliance according to claim 1, characterized in that, The extension (11) is attached to the inner wall of the outer shell (10).

4. The connection structure between the outer casing and the panel of the household appliance according to claim 1, characterized in that, The rear flange (21) is provided with a recess (22), the front end of the outer shell (10) and the extension (11) are disposed in the recess (22), and the front end of the outer shell (10) abuts against the rear side of the recess (22).

5. The connection structure between the outer casing and the panel of the household appliance according to claim 1, characterized in that, The rear flange (21) has a boss (23) on the side near the stamping sheet (12). The stamping sheet (12) includes a front half (121) and a rear half (122) that are connected to each other and inclined. The flange (13) is formed between the front half and the rear half. The boss (23) is used to abut against the rear half (122).

6. The connection structure between the outer casing and the panel of the household appliance according to claim 5, characterized in that, The boss (23) is formed by stamping.

7. The connection structure between the outer casing and the panel of the household appliance according to claim 1, characterized in that, The outer shell (10) includes a top plate (15) and side plates (16) connected to both sides of the top plate (15). The front side of the top plate (15) and the two side plates (16) are provided with the stamping sheet (12). The top and both sides of the panel (20) are provided with the rear flange (21).

8. The connection structure between the outer casing and the panel of the household appliance according to claim 7, characterized in that, At least two of the stamping plates (12) are provided on the top plate (15) and the side plate (16).

9. The connection structure between the outer casing and the panel of the household appliance according to claim 7, characterized in that, The panel (20) is provided with two rearward extending abutment flanges (24) at the two corners at the upper end, and the abutment flanges (24) abut against the inner wall of the connection between the top plate (15) and the side plate (16).

Images