A box body large arc U shell forming assembly structure

Through the large-curve U-shell molding assembly structure of the box, the connection device between iron and upper beam and box trim is strengthened by using hinges, the problem of inability to replace the refrigerator shell is solved, the effect of precise installation and cost reduction is achieved, and resources are reduced waste.

CN111829263BActive Publication Date: 2025-01-10QINGDAO KUHLMANN APPLIANCES CO LTD
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202010766565.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-03
Publication Date
2025-01-10
Estimated Expiration
2040-08-03

AI Technical Summary

Technical Problem

In the existing refrigerator manufacturing, the housing and the inner liner are connected by welding, which makes the housing unable to be replaced separately, which increases production and maintenance costs, and increases the weight and waste of refrigerators.

Method used

The box is made of a large-curve U-shell molded assembly structure, and the connection device of iron, upper beam and box trim is tightened and connected through hinges to avoid welding, realize a split installation design, allowing the box shell to be replaced separately.

Benefits of technology

It realizes the precise installation accuracy of the box, reduces production and maintenance costs, reduces resource waste, and improves the overall structural compactness and aesthetics of the refrigerator.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN111829263B_ABST
    Figure CN111829263B_ABST
Patent Text Reader

Abstract

The invention discloses a large-arc U-shell forming assembly structure for a box, comprising a U-shell, an inner liner, a back plate and a bottom plate, wherein the U-shell and the inner liner are fixedly connected and assembled by a connecting device; a flange is provided on the upper plate surface of the U-shell, a raised frame is provided on the inner liner, and the connecting device comprises a hinge reinforcing iron, an upper beam and a box decorative strip; a clamping groove is provided on the upper beam, and the clamping groove is fixedly clamped with the frame; the box decorative strip is fixedly plugged into the U-shell; the upper beam and the box decorative strip are connected and fixed by a hinge reinforcing iron, the hinge reinforcing iron is installed on the upper beam through a clamping block, and the hinge reinforcing iron and the box decorative strip are fastened by fasteners; the flange is inserted between the hinge reinforcing iron and the box decorative strip for clamping; in this scheme, the outer shell and the inner liner are fixedly connected by a connecting device, and the split design and multiple positioning and fastening mechanisms enable the box to achieve an accurate installation accuracy; the box structure is compact, easy to assemble, and reduces costs, and by replacing the box parts separately, resource waste is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention belongs to the technical field of refrigerator assembly, and in particular relates to a large-arc U-shell forming assembly structure for a box body. Background Art

[0002] Refrigerators are essential appliances for family life in modern society, used to refrigerate food or other items that need to be refrigerated or frozen. With the continuous improvement of people's living standards, higher requirements are also put forward for the practicality and aesthetics of various daily household appliances; especially refrigerators, as one of the widely used daily household appliances, people have higher requirements for their quality and appearance. With the increasing maturity of refrigerator production technology, how to ensure the high quality of refrigerator products has become an important direction for the development of refrigerators. At present, most refrigerator manufacturers manufacture refrigerators with an integrated structure, and the shell and the inner tank are welded together by welding. This not only makes it impossible to replace the refrigerator shell separately, but also increases the overall weight of the refrigerator, increasing production costs and maintenance costs. Summary of the invention

[0003] The purpose of the present invention is to solve the above-mentioned problems existing in the prior art, and proposes a large-arc U-shell forming assembly structure for a cabinet. Through a connecting device, the refrigerator shell and the inner tank are fastened together, avoiding welding operations and avoiding the integration of the refrigerator cabinet, thereby reducing manufacturing costs. In addition, through a split installation design, the cabinet shell can be replaced at any time, saving replacement time and cost and reducing waste of resources.

[0004] The technical solution of the present invention is:

[0005] A large-arc U-shell forming assembly structure for a box, comprising a U-shell, an inner liner, a back plate and a bottom plate, characterized in that it also comprises a connecting device, through which the U-shell and the inner liner are fixedly connected and assembled; the upper plate surface of the U-shell is provided with a vertically arranged flange, and the inner liner is provided with a raised frame, and the connecting device comprises a hinge reinforcement iron, an upper beam and a box decorative strip; the upper beam is provided with a card slot, and the card slot is fixedly engaged with the upper end of the frame; the upper end of the box decorative strip is fixedly inserted into the upper plate edge of the U-shell; the upper beam and the box decorative strip are connected and fixed by the hinge reinforcement iron, and the hinge reinforcement iron is installed with a card block, and the card block is engaged with the upper beam, and the hinge reinforcement iron and the box decorative strip are fastened and installed by fasteners; the flange is inserted between the hinge reinforcement iron and the box decorative strip, and is fixed by the hinge reinforcement iron and the box decorative strip.

[0006] Furthermore, the hinge reinforcement iron is provided with an internally hollow mounting column and a slot, and the box trim is provided with a positioning block and a fixing column installed in cooperation with the mounting column; the mounting column is sleeved on the fixing column, and the positioning block is installed in the slot.

[0007] Furthermore, the hinge reinforcement iron is provided with a first threaded column, a second threaded column and a screw hole, and the box trim is provided with a first bolt through hole, a second bolt through hole and a screw column corresponding to the positions of the first threaded column, the second threaded column and the screw hole respectively; the first threaded column and the first bolt through hole are fastened and connected by bolts, and the second threaded column and the second bolt through hole are fastened and connected by bolts; the screw hole and the screw column are fastened and connected by screws.

[0008] Furthermore, the box body decorative strip is provided with a plug-in plate, and a gap for plugging in the U shell is provided between the plug-in plate and the top end surface of the box body decorative strip, and the box body decorative strip is fixedly plugged into the U shell.

[0009] Furthermore, there are two flanges, which are symmetrically arranged at the two ends of the upper plate of the U shell; the U shell is also provided with side flanges and positioning holes, and the side flanges are spliced ​​and fixed to the frame; positioning bolts are also provided at both ends of the bottom of the inner liner, and the positioning holes are installed on the positioning bolts.

[0010] Furthermore, the back plate is fixedly connected to the bottom plate, a back handle for lifting the box body is provided on the back plate, and the bottom plate is fixedly mounted on the bottom of the inner liner by a bottom angle iron.

[0011] Beneficial effects of the present invention:

[0012] The large-arc U-shell forming assembly structure of the box provided by the present invention has an outer shell and an inner shell that are fixedly connected by a connecting device composed of a hinge reinforcing iron, an upper beam and a box trim strip. The detachable split design and multiple positioning and multiple fastening mechanisms enable the entire box to achieve precise installation accuracy. The overall structure of the box is compact, easy to assemble, and beautiful in appearance, which greatly reduces the production input cost and manufacturing cost. In actual use, the various components of the box can be replaced individually, which greatly reduces the maintenance cost and reduces the waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The overall exploded schematic diagram provided by the present invention;

[0014] Figure 2 A schematic diagram of the inner tank structure provided by the present invention;

[0015] Figure 3 A schematic diagram of the hinge reinforcement iron structure provided by the present invention;

[0016] Figure 4 A schematic diagram of the upper beam structure provided by the present invention;

[0017] Figure 5 An enlarged view of the upper beam structure provided by the present invention;

[0018] Figure 6 A schematic diagram of the box trim structure provided by the present invention;

[0019] Figure 7 A schematic diagram of the U shell structure provided by the present invention;

[0020] Figure 8 The overall assembly diagram provided by the present invention;

[0021] Fig. 9 A schematic diagram of the main structure of the connecting device provided by the present invention;

[0022] Fig.10 A rear structural schematic diagram of the connecting device provided by the present invention;

[0023] In the figure, 1, U shell; 11, flange; 12, side flange; 13, positioning hole; 2, liner; 21, frame; 22, positioning bolt; 3, hinge reinforcement iron; 31, clamping block; 32, mounting column; 33, first threaded column; 34, second threaded column; 35, screw hole; 36, slot; 4, upper beam; 41, clamping slot; 5, box body trim; 51, plug-in board; 52, fixing column; 53, first bolt through hole; 54, second bolt through hole; 55, screw column; 56, positioning block; 6, back plate; 61, back handle; 7, bottom plate; 8, bottom angle iron; 9, bolt; 10 screw. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not limit the present invention.

[0025] It should be understood that the orientations or positional relationships indicated by the terms "two ends, front end, top, bottom, inside, outside", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In addition, the terms "first", "second", and "first" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] like Figures 1 to 10As shown, the present invention is a large-arc U-shell forming assembly structure for a box, comprising a U-shell 1, an inner liner 2, a back plate 6 and a bottom plate 7; wherein, the U-shell 1 is provided with a flange 11, a side flange 12 and a positioning hole 13, the flange 11 is vertically arranged at the front end edge of the upper plate surface of the U-shell 1, a frame 21 is arranged around the opening of the inner liner 2, and a positioning bolt 22 is also arranged at the bottom of the inner liner 2; the U-shell 1 and the inner liner 2 are fixedly connected by a connecting device, and the connecting device comprises a hinge reinforcement iron 3, an upper beam 4 and a box trim 5; the upper beam 4 is provided with a "U"-shaped card slot 41, and the upper beam 4 is fixedly connected with the upper end of the frame 21 through the card slot 41, so that the upper beam 4 is fixed to the upper end of the inner liner 2; a plug-in board 51 is provided on the box trim 5, and a plug-in connection is provided between the plug-in board 51 and the top end surface of the box trim 5 The gap of the U shell 1, the box trim 5 is inserted into the front end edge of the upper plate of the U shell 1 through the gap, so that the box trim 5 is fixedly connected to the U shell; the upper beam 4 and the box trim 5 are fixedly connected through the hinge reinforcement iron 3, and the hinge reinforcement iron 3 is equipped with a clamping block 31, and the clamping block 31 is clamped on the upper end of the upper beam 4, and the hinge reinforcement iron 3 is fixedly installed with the upper beam 4 through the clamping block 31; the hinge reinforcement iron 3 is also fastened to the box trim 5 through fasteners, and the turning 11 arranged on the U shell 1 is inserted between the hinge reinforcement iron 3 and the box trim 5, and is fixedly clamped with the box trim 5 through the hinge reinforcement iron 3, so that the U shell 1 can be better fixedly installed on the box trim 5; the upper beam 4 and the box trim 5 are fixedly connected through the hinge reinforcement iron 3, so that the U shell 1 and the inner liner 2 are fixedly connected.

[0028] like Figure 3 and Figure 6 As shown, in the above-mentioned box structure, the hinge reinforcement iron 3 is provided with a mounting column 32 with a hollow structure inside, a first threaded column 33, a second threaded column 34, a screw hole 35 and a slot 36, and the clamping block 31 is fixedly clamped on the outer surface of the first threaded column 33, so that the hinge reinforcement iron 3 can be more stably fixedly connected to the upper beam 4; the inner ends of the box trim 5 are provided with fixing columns 52, a first bolt through hole 53, a second bolt through hole 54, a screw column 55 and a positioning block 56.

[0029] In this specific embodiment, the mounting column 32 is sleeved on the fixing column 52, and the positioning block 56 is installed in the slot 36. The hinge reinforcement iron 3 is connected to the box trim 5 by the cooperation between the mounting column 32 and the fixing column 52, and the position between the hinge reinforcement iron 3 and the box trim 5 is limited by the cooperation and installation of the slot 36 and the positioning block 56; the first threaded column 33 and the second threaded column 34 correspond to the positions of the first bolt through hole 53 and the second bolt through hole 54 respectively, the first threaded column 33 and the first bolt through hole 53 are fastened and connected by the bolt 9, the second threaded column 34 and the second bolt through hole 53 are fastened and connected by the bolt 9, the screw hole 35 corresponds to the position of the screw column 55, and the screw 10 passes through the screw hole 35 and cooperates with the screw column 55 to tighten; by tightening the bolt 9 and the screw 10, the hinge reinforcement iron 3 and the box trim 5 are fastened and installed.

[0030] Furthermore, two flanges 11 are provided and symmetrically distributed at both ends of the upper plate surface of the U shell 1. The flange 11 provided on the U shell 1 is inserted between the hinge reinforcement iron 3 and the box trim 5. Through the fastening installation of the hinge reinforcement iron 3 and the box trim 5, the flange 11 is clamped to further fix the U shell 1 as a whole.

[0031] Furthermore, the back panel 6 and the bottom panel 7 are fixedly connected to form a whole, and the bottom panel 7 is fixedly installed on the bottom of the inner liner 2 by the bottom angle iron 8; in order to facilitate the transportation of the installed box, two symmetrically arranged back handles 61 are also provided at the upper end of the back panel 6 to facilitate lifting and carrying the box; the side flange 12 arranged on the U-shell 1 and the side frame 21 of the inner liner 2 are fitted and inserted into each other, and the positioning hole 13 arranged at the bottom of the U-shell 1 is installed in coordination with the positioning bolt 22 arranged at the bottom of the inner liner 2, so that the connection between the U-shell 1 and the inner liner 2 is more stable.

[0032] The advantage of this design is that it utilizes a split structural design, with the outer shell and the inner liner being fixedly connected by a connecting device composed of hinge reinforcement iron, upper beam and box trim. The detachable split design and multiple positioning and multiple fastening mechanisms enable the entire box to achieve precise installation accuracy; the overall structure of the box is compact, easy to assemble, and beautiful in appearance, which greatly reduces the production input cost and manufacturing cost. In actual use, the various components of the box can be replaced individually, which greatly reduces the maintenance cost and reduces the waste of resources.

[0033] The above description of the specific embodiments of the present invention is for the purpose of illustration and demonstration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is obvious that, based on the above description, multiple changes and variations can be made. The purpose of selecting and describing the embodiments is to explain the specific principles and practical applications of the present invention, so that those skilled in the art can realize and utilize various different embodiments of the present invention and various different selections and changes. The scope of the present invention is intended to be limited by the claims and their equivalents.

Claims

1. A box body large arc U-shell forming assembly structure, comprising a U-shell (1), an inner liner (2), a back plate (6) and a bottom plate (7), characterized in that: The invention also comprises a connecting device, through which the U shell (1) and the inner shell (2) are fixedly connected and assembled; the upper plate surface of the U shell (1) is provided with a vertically arranged flange (11), and the inner shell (2) is provided with a raised frame (21); the connecting device comprises a hinge reinforcement iron (3), an upper beam (4) and a box decorative strip (5); the upper beam (4) is provided with a card slot (41), and the card slot (41) is fixedly engaged with the upper end of the frame (21); the upper end of the box decorative strip (5) is fixedly inserted in the hinge reinforcement iron (3), and the upper beam (4) is fixedly engaged with the upper end of the frame (21); the upper end of the box decorative strip (5) is fixedly engaged with ... The upper plate edge of the U shell (1); the upper beam (4) and the box decorative strip (5) are connected and fixed by the hinge reinforcement iron (3); the hinge reinforcement iron (3) is installed with a clamping block (31), and the clamping block (31) is clamped on the upper beam (4); the hinge reinforcement iron (3) and the box decorative strip (5) are fastened and installed by fasteners; the flange (11) is inserted between the hinge reinforcement iron (3) and the box decorative strip (5), and is fixed by the hinge reinforcement iron (3) and the box decorative strip (5); The hinge reinforcing iron (3) is provided with an internally hollow mounting column (32) and a slot (36); the box decorative strip (5) is provided with a positioning block (56) and a fixing column (52) mounted in cooperation with the mounting column (32); the mounting column (32) is sleeved on the fixing column (52), and the positioning block (56) is installed in the slot (36); The box body decorative strip (5) is provided with a plug-in board (51), and a gap for plugging in the U shell (1) is provided between the plug-in board (51) and the top end surface of the box body decorative strip (5), and the box body decorative strip (5) is fixedly plugged in the U shell (1).

2. A box body large arc U shell forming assembly structure according to claim 1, characterized in that: The hinge reinforcement iron (3) is provided with a first threaded column (33), a second threaded column (34) and a screw hole (35); the box decorative strip (5) is provided with a first bolt through hole (53), a second bolt through hole (54) and a screw column (55) which respectively correspond to the positions of the first threaded column (33), the second threaded column (34) and the screw hole (35); the first threaded column (33) and the first bolt through hole (53) are fastened and connected by a bolt (9); the second threaded column (34) and the second bolt through hole (54) are fastened and connected by a bolt (9); the screw hole (35) and the screw column (55) are fastened and connected by a screw (10).

3. The large arc U-shell forming assembly structure of a box body according to claim 1, characterized in that: Two flanges (11) are provided, and the two flanges (11) are symmetrically arranged at the two ends of the upper plate surface of the U shell (1); the U shell (1) is also provided with side flanges (12) and positioning holes (13), and the side flanges (12) are inserted and fixed to the frame (21); positioning bolts (22) are also provided at the two ends of the bottom of the inner liner (2), and the positioning holes (13) are installed on the positioning bolts (22).

4. The large arc U-shell forming assembly structure of a box body according to claim 1, characterized in that: The back plate (6) is fixedly connected to the bottom plate (7); a back handle (61) for lifting the box body is provided on the back plate (6); and the bottom plate (7) is fixedly mounted on the bottom of the inner container (2) via a bottom angle iron (8).

Citation Information

Patent Citations

  • Hinge assembly for refrigeration and freezing device and refrigeration and freezing device

    CN105888418A

  • Rear cover integrated structure applied to refrigerator body

    CN108645106A

  • Large-radian U-shaped shell forming and assembling structure of box body

    CN212409170U