A refrigerator box structure with reliable installation

Abstract

The present invention discloses a reliable installation structure for a refrigerator cabinet, comprising a refrigerator door and a cabinet shell, a hinge device installed between the refrigerator door and the cabinet shell, two rectangular fixing notches provided on the refrigerator back panel of the cabinet shell, and mounting bases for mounting the hinge device provided on the rectangular fixing notches. The structure is characterized in that the mounting bases include an outer mounting base, an inner mounting base, and a back panel lining. The outer mounting base and the inner mounting base each include a cavity shell and a cavity shell flange. The cavity shell of the outer mounting base extends into the cabinet shell through the rectangular fixing notch, the cavity shell of the inner mounting base is buckled onto the cavity shell of the outer mounting base, the cavity shell flanges of the outer mounting base and the inner mounting base jointly clamp the edges of the rectangular fixing notch, and the back panel lining is fixed to the inner mounting base. This structure achieves reliable fixation of the cabinet back structure, thereby improving production efficiency, installation quality, and reliability.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and more particularly to a refrigerator box structure with reliable installation. Background Art

[0002] To reduce the packaging size of freezers and increase their capacity, recessed door hinges are typically designed, meaning they are installed within a recessed cavity in the freezer door or cabinet. Traditional freezer cabinet hinge mounting structures typically consist of a single plastic mounting base with a narrow slot. Inserting the mounting base into the notch in the back panel poses a risk of difficulty in ejecting the mold due to a narrow slot, or a loose installation with a wide slot, potentially leading to bubble leakage. Alternatively, recessed hinges are designed with a plastic mounting base and a metal lining, but this poses the risk of poor four-sided coverage and bubble leakage. For example, the hinge fixing seat, hinge fixing device and refrigerator disclosed in Chinese invention patent CN201910686529.6, the hinge fixing device includes two main bodies and a connecting part of the hinge fixing seat, and the connecting part tightens the two main bodies to clamp external equipment; the refrigerator includes a refrigerator back panel with a notch and a hinge fixing device, and the two main bodies are clamped to each other at the edge of the notch. However, in this technical solution, the metal lining iron needs to be fixed with screws in advance, the notch of the outer box needs to be designed with a flange structure, and the bottom of the lining iron needs to be sealed. The metal lining iron on the back of the box and the outer box are connected by 4 screws. The process is complicated, the assembly is time-consuming, the process efficiency is low, the production cost is high, and the lining iron is stretched and formed with poor precision. Summary of the Invention

[0003] The object of the present invention is to provide a refrigerator box structure that can be reliably installed, decompose the installation action, simplify the difficulty of parts processing, improve assembly efficiency, and enhance quality reliability, so as to overcome the shortcomings of the prior art.

[0004] The technical solution of the present invention to solve its technical problems is: a refrigerator box structure with reliable installation, including a refrigerator door and a box shell, a hinge device installed between the refrigerator door and the box shell, two rectangular fixing notches are arranged on the refrigerator back panel of the box shell, and a mounting seat for installing the hinge device is provided on the rectangular fixing notch, characterized in that the mounting seat includes an outer mounting seat, an inner mounting seat, and a back plate lining iron, and the outer mounting seat and the inner mounting seat both include a cavity shell and a cavity shell flange, the cavity shell of the outer mounting seat extends into the box shell from the rectangular fixing notch, the cavity shell of the inner mounting seat is buckled on the cavity shell of the outer mounting seat, the cavity shell flanges of the outer mounting seat and the inner mounting seat jointly clamp the edge of the rectangular fixing notch, and the back plate lining iron is fixed to the inner mounting seat.

[0005] The back plate lining iron is provided with an iron lining flange, the iron lining flange is provided with an internal threaded hole, and the outer mounting seat and the inner mounting seat are provided with through holes at positions corresponding to the internal threaded holes.

[0006] The cavity shell of the outer mounting seat includes a cavity shell top and a main body, steps are formed on the cavity shell top and the main body, and a support rib is provided on the top of the inner mounting seat, and the support rib presses the step of the outer mounting seat.

[0007] The cavity shell of the inner mounting seat is provided with a plurality of sticky bubbles.

[0008] A first buckle is provided on the outer side wall of the outer mounting seat, and a first slot adapted to be assembled with the first buckle is provided on the side wall of the inner mounting seat.

[0009] The outer mounting seat and the inner mounting seat are both made of plastic.

[0010] The back plate lining iron is provided with sticky bubbles.

[0011] The beneficial effects of the present invention are:

[0012] 1. The freezer hinge is installed in the recessed mounting seat on the back of the cabinet, thereby reducing the depth of the product and increasing the export loading capacity.

[0013] 2. Fasten the outer box back panel between the inner and outer mounting bases, and then install the back panel lining iron into the mounting base to achieve reliable fixation of the box back structure, thereby improving production efficiency, installation quality and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the refrigerator box structure of the present invention.

[0015] Figure 2 This is an exploded schematic diagram of the hinge device of the refrigerator box structure of the present invention.

[0016] Figure 3 This is a schematic diagram of the disassembled structure of the mounting base of the refrigerator box structure of the present invention.

[0017] Figure 4 It is a schematic diagram of the assembly structure of the inner and outer mounting seats and the lining iron of the present invention.

[0018] Figure 5 This is a cross-sectional view of the hinge device of the refrigerator box structure of the present invention. DETAILED DESCRIPTION

[0019] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0020] In the description of the present invention, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation, and therefore should not be construed as limiting the present invention. Unless otherwise specified, "plurality" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediary, or they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in the present invention.

[0022] See also Figure 1-5 A refrigerator box structure with reliable installation includes: a refrigerator door 10, a box shell 20, and a hinge device. The hinge device is installed on the refrigerator back plate 40 of the box shell. The top of the refrigerator back plate 40 is symmetrically designed with two rectangular fixed notches 41. There is no flange at the notch. The top and left and right sides of the refrigerator back plate 40 are provided with flanges. The hinge device includes a hinge 1, an outer mounting seat 2, an inner mounting seat 3, and a back plate lining 4. In the hinge device, the outer mounting seat 2 and the inner mounting seat 3 both include a cavity shell and a cavity shell flange. The outer mounting seat 2 has an outer shape with an upper top surface and an outer side surface. The outer mounting seat 2 is installed in the rectangular fixed notch, and the cavity shell of the outer mounting seat 2 extends from the rectangular fixed notch 41 into the bubble layer of the box shell. The outer mounting seat 2 is designed with outward-folded cavity shell flanges at the front edge and the top edge. The cavity shell flange at the front edge is placed on the edge of the rectangular fixed notch 41, and the cavity shell flange at the top edge is placed on the back panel flange of the rectangular fixed notch 41. Several first clips 22 are provided on the outer side wall of the outer mounting seat 2, and four first fastening holes 21 are provided on the cavity shell panel of the outer mounting seat 2.

[0023] The inner mounting seat 3 is also in the shape of a rectangular box with an open top surface and outer side surfaces. A notch 34 is provided at the top of the cavity shell, so that the top of the inner mounting seat forms a pair of symmetrical support ribs 35 . The inner mounting seat 3 is installed at the rear of the refrigerator back plate 40. After the inner and outer mounting seats are closed and buckled in the rectangular fixing notch 41, the cavity shell flange of the inner mounting seat is close to the inner side of the refrigerator back plate 40. A pair of first card grooves 32 adapted to be assembled with the first card buckle 22 are provided on the left and right side walls of the inner mounting seat 3. The cavity shell panel of the inner mounting seat 3 is provided with a number of adhesive bubble holes 36 and four second fastening holes 31. The inner mounting seat 3 is installed on the outer mounting seat 2. The cavity shell top of the outer mounting seat 2 protrudes from the main body of the cavity shell, thereby forming a step 37 at the connection between the two. The inner mounting seat 3 is fitted on the main body of the outer mounting seat 2. The supporting rib 35 on the top of the inner mounting seat 3 presses against the step 37. The cavity shell panel of the outer mounting seat 2 is against the cavity shell panel of the inner mounting seat 3. The first card buckle 22 provided on the outer mounting seat 2 is connected with the first card groove 32 provided on the inner mounting seat 3 by snap fit. The refrigerator back plate 40 is clamped. The back of the inner mounting seat 3 is tightly located between the cavity shell flange of the outer mounting seat 2 and the cavity shell flange of the inner mounting seat 3. Two second clips 33 and several limit blocks are provided on the back of the inner mounting seat 3. The back plate lining iron 4 is installed at the rear of the inner mounting seat 3 and is positioned by the second clip 33 and the limit blocks. Four lining iron flanges 41 are provided on the back panel of the back plate lining iron 4. The first fastening hole 21 and the second fastening hole 31 coincide with the inner hole axis of the lining iron flange 41. The fixing screws pass through the first fastening hole 21, the second fastening hole 31, and the lining iron flange 41 in sequence to fix the outer mounting seat 2, the inner mounting seat 3, and the back plate lining iron 4. The outer mounting seat 2, the inner mounting seat 3 and the back plate lining iron 4 are assembled before the box body is foamed. After foaming, the box body is tightly adhered to the foam layer. The notch 34 of the inner mounting seat 3 and the sticking holes 36 on the inner mounting seat 3 and the back plate lining iron 4 help to combine the foam layer with the outer mounting seat 2, thereby improving the strength of the two mounting seats. The hinge 1 is mounted on the cavity shell panel of the outer mounting seat 2 .

[0024] The above are only preferred embodiments of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A refrigerator box structure with reliable installation, comprising a refrigerator door and a box shell, a hinge device installed between the refrigerator door and the box shell, two rectangular fixing notches provided on the refrigerator back panel of the box shell, and mounting seats for mounting the hinge device provided on the rectangular fixing notches, characterized in that: The mounting seat includes an outer mounting seat, an inner mounting seat, and a back plate lining iron. The outer mounting seat and the inner mounting seat both include a cavity shell and a cavity shell flange. The cavity shell of the outer mounting seat extends into the box shell from the rectangular fixing notch. The cavity shell of the inner mounting seat is buckled on the cavity shell of the outer mounting seat. The cavity shell flanges of the outer mounting seat and the inner mounting seat jointly clamp the edge of the rectangular fixing notch. The back plate lining iron is fixed to the inner mounting seat. The back plate lining iron is provided with an iron lining flange, the iron lining flange is provided with an internal threaded hole, and the outer mounting seat and the inner mounting seat are provided with through holes corresponding to the positions of the internal threaded holes; The outer mounting seat and the inner mounting seat are both made of plastic; The cavity shell of the outer mounting seat includes a cavity shell top and a main body, steps are formed on the cavity shell top and the main body, and a support rib is provided on the top of the inner mounting seat, and the support rib presses the step of the outer mounting seat.

2. The reliable installation refrigerator box structure according to claim 1 is characterized in that: The cavity shell of the inner mounting seat is provided with a plurality of sticky bubbles.

3. The reliable installation refrigerator box structure according to claim 2 is characterized in that: A first buckle is provided on the outer side wall of the outer mounting seat, and a first slot adapted to be assembled with the first buckle is provided on the side wall of the inner mounting seat.

4. The reliable installation refrigerator box structure according to claim 3 is characterized in that: The back plate lining iron is provided with sticky bubbles.

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