Door frame structure of dish washing machine

Abstract

The utility model provides a dish-washing machine door frame structure which comprises a panel frame, a left support, a right support and a transverse strip, the upper end of the left support and the upper end of the right support are connected with connecting pieces on the left side and the right side of the panel frame respectively, each connecting piece comprises a first connecting part and a second connecting part, and the first connecting parts are connected with the panel frame; the upper end of the left support and the upper end of the right support are each provided with a connecting cavity connected with the second connecting part in a matched mode, the upper end of the left support and the upper end of the right support are fixedly connected with the panel frame through first screws, and the two ends of the transverse strip are fixedly connected with the lower end of the left support and the lower end of the right support through second screws respectively. The panel frame is connected with the left support and the right support through the connecting pieces, the structural tightness after the panel frame, the left support and the right support are assembled is improved through the connecting pieces, the connecting and splicing area is increased, the structural strength of the door frame is integrally improved, and the situation that the follow-up production process is affected due to deformation is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dish-washing machine door frame structure. BACKGROUND

[0002] At present, the door frame structure of the dish-washing machine on the market mostly adopts a split assembly structure, usually divides the door frame into a panel frame, a left support, a right support and a horizontal strip, and connects and fixes them by screws during installation. However, during the installation of the decorative plate and the control panel, it is found that the door frame structure is soft and easy to deform, which affects the installation of the decorative plate and the control panel, and cannot accommodate multiple appearance schemes. SUMMARY

[0003] The utility model discloses a dish-washing machine door frame structure which has the advantages of stable structure and non-deformation, can accommodate multiple appearance schemes, and has higher compatibility than most door frame structures on the market.

[0004] To achieve the above-mentioned purpose, the utility model provides a dish-washing machine door frame structure which comprises a panel frame, a left support, a right support and a horizontal strip, the upper ends of the left support and the right support are connected with the connecting pieces on the left and right sides of the panel frame respectively, the connecting piece comprises a first connecting part and a second connecting part, the first connecting part is connected with the panel frame, the upper ends of the left support and the right support are each provided with a connecting cavity matched with the second connecting part, the upper end of the left support and the upper end of the right support are connected and fixed with the panel frame by a first screw, and the two ends of the horizontal strip are connected and fixed with the lower end of the left support and the lower end of the right support by a second screw.

[0005] In one or more embodiments, the first connecting part is fixed on the panel frame by a third screw, the panel frame is provided with an insertion cavity, the first connecting part is inserted with the insertion cavity, and the insertion cavity and the connecting piece are provided with a connecting hole connected with the third screw.

[0006] In one or more embodiments, the left and right sides of the second connecting part are provided with a limiting group, the limiting group comprises an upper step and a lower step, the upper step and the lower step are arranged along the installation direction of the second connecting part and the connecting cavity, the cavity wall of the connecting cavity is provided with an upper limiting convex part matched with the upper step and a lower limiting convex part matched with the lower step.

[0007] In one or more embodiments, one side of the panel frame provided with the screw hole for the first screw is provided with a threaded hole, and the left support and the right support are provided with mounting holes at positions corresponding to the threaded holes.

[0008] In one or more embodiments, one side of the panel frame provided with the threaded hole is provided with a positioning convex part, and the left support and the right support are provided with a positioning concave cavity butt-jointed with the positioning convex part.

[0009] In one or more embodiments, the first connecting portion and the second connecting portion are integrally formed by injection molding.

[0010] In one or more embodiments, the outer peripheral wall of the first connecting portion is provided with a plurality of vertically extending ribs, and the plurality of ribs are distributed circumferentially around the outer peripheral wall.

[0011] Compared with the background art, the effect of the present application is that the mounting of the panel frame, the left support and the right support is connected by the connecting piece, the structure tightness of the three after assembly is improved by the connecting piece, the area of the connection and assembly is increased, the structural strength of the door frame is improved as a whole, and the deformation is prevented to affect the subsequent production process. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 Fig. 1 is a structural schematic view of a dish-washing machine door frame according to the present application;

[0013] Figure 2 Fig. 2 is an exploded view of the dish-washing machine door frame according to the present application;

[0014] Figure 3 Fig. 3 is a structural schematic view of a left support and a second connecting portion according to the present application;

[0015] Figure 4 Fig. 4 is a structural schematic view of a panel frame and a first connecting portion before connection according to the present application. DETAILED DESCRIPTION

[0016] In order to deepen the understanding of the present application, the present application will be further described in combination with the embodiments and the drawings, and the embodiments are only used to explain the present application and do not constitute the limitation of the protection scope of the present application.

[0017] Please refer to Figures 1-4The application provides a dishwasher door frame structure which comprises a panel frame 1, a left support 2, a right support 3 and a cross strip 4, the upper ends of the left support and the right support are connected with connectors on the left and right sides of the panel frame respectively, specifically, the connectors comprise a first connecting part 5 and a second connecting part 6, the first connecting part 5 and the second connecting part 6 can be plastic parts of injection molding integral structure, the first connecting part is connected with the panel frame 1, the upper ends of the left support 2 and the right support 3 are provided with connecting cavities 7 which are matched and connected with the second connecting part 6, the upper end of the left support and the upper end of the right support are connected and fixed with the panel frame 1 through a first screw, the two ends of the cross strip 4 are connected and fixed with the lower end of the left support 2 and the lower end of the right support 3 through a second screw respectively, when installing, the first connecting part is connected with the panel frame first, then the connecting cavities and the second connecting parts are connected together to realize pre-installation when the left support and the right support are installed, the connecting area and the tightness of the panel frame with the left support and the right support are indirectly increased, and the overall structure is more stable. Since the pre-installation is realized, the alignment can be avoided when the first screw is connected in the later period, the screw is conveniently screwed for further fixation, the further fixation of the lower end positions of the left support and the right support is realized in cooperation with the cross strip, and the whole dishwasher door frame structure is stable, firm and not deformed.

[0018] The first connecting part 5 is fixed on the panel frame 1 through a third screw, the panel frame is provided with an insertion cavity 8, the first connecting part is inserted into the insertion cavity, the insertion cavity and the connector are provided with connecting holes 9 connected with the third screw, the first connecting part is inserted into the insertion cavity first, then the third screw is screwed into the connecting holes of the first connecting part and the insertion cavity in sequence to complete the fixing work of the first connecting part. By adopting the structure, when the connector is damaged, the connector can be replaced, one connector is replaced alone, and the maintenance cost in the later period is reduced.

[0019] The left and right sides of the second connecting part 6 are provided with limiting groups, the limiting groups comprise upper steps 10 and lower steps 11, the upper steps and the lower steps are arranged in the mounting direction of the second connecting part 6 and the connecting cavity 7, the cavity wall of the connecting cavity is provided with an upper limiting convex part 12 matched with the upper steps and a lower limiting convex part 13 matched with the lower steps, specifically, when the second connecting part is connected with the connecting cavity, the upper end face of the upper step is attached to the lower end face of the upper limiting convex part, and the lower end face of the lower step is attached to the upper end face of the lower limiting convex part, so that the structural tightness after the second connecting part is connected with the left support or the right support is improved.

[0020] The panel frame 1 is provided with a threaded hole 14 for connecting the first screw on one side of the connector, the left support 2 and the right support 3 are provided with mounting holes 15 at positions corresponding to the threaded holes, as described above, when the second connecting part is connected with the connecting cavity 7 to realize pre-installation, the mounting holes are aligned with the threaded holes, and the first screw is conveniently screwed and fixed.

[0021] The panel frame 1 is provided with a positioning protrusion 16 on one side of the threaded hole, the left support 2 and the right support 3 are provided with a positioning cavity 17 which is in butt joint with the positioning protrusion, the cooperation of the positioning protrusion and the positioning cavity further improves the structural compactness of the panel frame after being connected with the left support and the right support, and improves the overall structural strength.

[0022] A plurality of vertical ribs 18 are arranged on the outer circumferential wall of the first connecting part 5, the plurality of vertical ribs are distributed in the circumferential direction around the outer circumferential wall, the vertical ribs can increase the structural strength of the first connecting part and improve the friction force between the first connecting part and the insertion cavity, so that the structure of the first connecting part after being connected with the insertion cavity is more compact.

[0023] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, but any equivalent modification or change made by those skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. A dishwasher door frame structure, characterized in that: The panel frame includes a panel frame (1), a left bracket (2), a right bracket (3), and a crossbar (4). The upper ends of the left and right brackets are connected to the connectors on the left and right sides of the panel frame, respectively. The connectors include a first connecting part (5) and a second connecting part (6). The first connecting part is connected to the panel frame (1). The upper ends of the left bracket (2) and the right bracket (3) are provided with connecting cavities (7) that cooperate with the second connecting part (6). The upper ends of the left bracket and the right bracket are connected and fixed to the panel frame (1) by a first screw. The two ends of the crossbar (4) are connected and fixed to the lower ends of the left bracket (2) and the right bracket (3) by a second screw, respectively.

2. The dishwasher door frame structure according to claim 1, characterized in that: The first connecting part (5) is fixed to the panel frame (1) by the third screw. The panel frame is provided with a cavity (8). The first connecting part is inserted into the cavity. The cavity and the connecting part are provided with a connecting hole (9) for connecting with the third screw.

3. A dishwasher door frame structure according to claim 1, characterized in that: The second connecting part (6) is provided with a limiting group on the left and right sides. The limiting group includes an upper step (10) and a lower step (11). The upper step and the lower step extend along the installation direction of the second connecting part (6) and the connecting cavity (7). The cavity wall of the connecting cavity is provided with an upper limiting protrusion (12) that cooperates with the upper step for limiting, and a lower limiting protrusion (13) that cooperates with the lower step for limiting.

4. A dishwasher door frame structure according to claim 1, characterized in that: The panel frame (1) is provided with a threaded hole (14) for the first screw to be connected on one side of the connector, and mounting holes (15) are opened on the left bracket (2) and the right bracket (3) at the corresponding positions of the threaded holes.

5. A dishwasher door frame structure according to claim 4, characterized in that: The panel frame (1) is provided with a positioning protrusion (16) on one side of the threaded hole, and the left bracket (2) and right bracket (3) are provided with positioning cavities (17) that mate with the positioning protrusion.

6. A dishwasher door frame structure according to claim 1, characterized in that: The first connecting part (5) and the second connecting part (6) are injection molded integral structures.

7. A dishwasher door frame structure according to claim 5, characterized in that: The outer peripheral wall of the first connecting part (5) is provided with multiple vertically extending ribs (18), which are distributed around the outer peripheral wall in a circumferential direction.

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