Refrigerator and manufacturing method thereof

By using an integral frame composed of main beams and side beams in the refrigerator, the problem of unstable refrigerator frame size is solved, and the refrigerator size accuracy and appearance effect are improved.

CN119509102APending Publication Date: 2025-02-25QINDAO HAIER REFRIGERATOR CO LTD +2
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Patent Information

Application Number
CN202311067022.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-08-23
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

The frame size of the existing refrigerator is unstable, resulting in deformation of the box and misalignment of the door body, affecting the appearance and user experience of the refrigerator.

Method used

An integral frame composed of main beams and side beams is used as the main structure of the refrigerator. The installation area is formed by connecting the main beams and side beams to ensure the accurate installation of the inner shell and the U-shell covering, thereby achieving an accurate and stable installation standard.

Benefits of technology

It improves the dimensional accuracy and appearance of the refrigerator, ensures the alignment of the refrigerator door and the stability of the cabinet, and enhances users' recognition of the quality of the refrigerator.

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Abstract

The invention provides a refrigerator which comprises at least two inner containers arranged in the first direction. The main beams are arranged in the first direction, and the inner containers are located between every two adjacent main beams; the side beams are located on the two sides, in the second direction, of the inner container respectively, the second direction is perpendicular to the first direction, and the side beams are connected with the main beams. The invention further provides a manufacturing method of the refrigerator. According to the refrigerator, the integral frame composed of the main beam and the side beams serves as a main body structure of the refrigerator, an installation reference with the accurate size and stability is provided for the refrigerator, all components are assembled according to the reference, and therefore the size precision and the appearance effect of the refrigerator are greatly improved.
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Description

Technical Field

[0001] The present application relates to the field of household appliance technology, and in particular to a refrigerator and a manufacturing method thereof. Background Art

[0002] Nowadays, people are pursuing high-quality home life and have higher and higher requirements for the appearance of home appliances. Taking refrigerators as an example, users' cabinets will reserve embedding positions according to the recommended size of the refrigerator. The deformation of the cabinet will cause uneven gaps on both sides, and severe cases will make it impossible to embed. The uneven refrigerator door will have a greater impact on the appearance of the refrigerator, giving users the impression that the refrigerator is poorly refined and of low quality. Therefore, the appearance size of the refrigerator is very important and directly determines the user's first impression.

[0003] The frame of an existing refrigerator is composed of an inner tank, an upper beam, a middle beam and a lower beam. The adsorption size of the inner tank is affected by the adsorption equipment, temperature, etc., and the size has deviations. When the beam is installed on the inner tank, the position is inaccurate due to the influence of the inner tank. In addition, the installation between the beam and the inner tank has different assembly positions due to the different levels of the operators, which leads to unstable size of the entire box body. The door body is fixed on the box body with unstable size, so it is naturally not aligned. This has become an important factor affecting the appearance of the refrigerator.

[0004] In view of this, it is necessary to provide a refrigerator and a manufacturing method thereof to solve the above technical problems. Summary of the invention

[0005] In order to achieve the above-mentioned purpose, the present application provides a refrigerator, which includes at least two inner tanks arranged along a first direction; a plurality of main beams arranged along the first direction, the inner tank being located between two adjacent main beams; a pair of side beams, the pair of side beams being respectively located on both sides of the inner tank along a second direction, the second direction being perpendicular to the first direction, and the side beams connecting the plurality of main beams.

[0006] As a further improvement of the present invention, the main beam includes a first beam, a second beam and a third beam arranged at intervals along the first direction; a pair of side beams connect the first beam, the second beam and the third beam at both ends of the second direction respectively; the inner liner includes a first inner liner located between the first beam, the second beam and the side beam, and a second inner liner located between the second beam, the third beam and the side beam.

[0007] As a further improvement of the present invention, the first beam includes a first main board and a first reinforcing board vertically connected to the first main board.

[0008] As a further improvement of the present invention, the first reinforcing plate is located on a side of the first main board away from the second beam, and the length of the first reinforcing plate is greater than the length of the first main board.

[0009] As a further improvement of the present invention, the second beam includes a second main board, a first card plate connected to the back of the second main board, and a second card plate, and a first card slot opening toward the first inner liner is formed between the first card plate and the second main board, and a second card slot opening toward the second inner liner is formed between the second card plate and the second main board, the first inner liner is inserted into the first card slot, and the second inner liner is inserted into the second card slot.

[0010] As a further improvement of the present invention, the first clipping plate and the second clipping plate have the same length and are greater than the length of the second main board, and the first clipping plate and the second clipping plate are connected between the side beams.

[0011] As a further improvement of the present invention, the third beam includes a third main board and a second reinforcing plate vertically connected to the third main board, the second reinforcing plate is connected to the side beam, and the length of the second reinforcing plate is greater than the length of the third main board.

[0012] As a further improvement of the present invention, the side beam includes a first connecting plate and a second connecting plate vertically connected to the first connecting plate, and the second connecting plate is located on a side of the first connecting plate away from the main beam.

[0013] As a further improvement of the present invention, it also includes a U-shell, the inner shell is located in the U-shell, and a receiving groove is provided on the front side of the U-shell, and the side beam is located in the receiving groove.

[0014] As a further improvement of the present invention, a hinge plate is installed on the front side of the main beam, a hinge shaft is arranged on the hinge plate, and an axis hole for installing the hinge shaft is opened on the hinge plate; or, the hinge plate and the hinge shaft are integrally formed.

[0015] The present invention also provides a method for manufacturing a refrigerator, comprising the following steps:

[0016] Connecting a plurality of main beams with a pair of side beams to form a frame, wherein the plurality of main beams are arranged along a first direction, and a pair of side beams are connected to the plurality of main beams at both ends of a second direction of the main beams, wherein the first direction is perpendicular to the second direction, and the side beams and two adjacent main beams form an installation area;

[0017] Embedding the inner container into the installation area, with the opening side of the inner container located in the installation area;

[0018] Installing a U-shell, wherein the U-shell covers the side beam, and the outer surface of the U-shell is flush with the outer surface of the inner liner;

[0019] Foaming is performed between the inner container and the U shell.

[0020] As a further improvement of the present invention, stress release is performed after the frame is formed, and then the installation plane of the hinge plate is processed on the front side of the main beam.

[0021] Beneficial effects of the present invention: The present invention uses an integral frame composed of the main beam and the side beam as the main structure of the refrigerator, providing the refrigerator with a size-accurate and stable installation reference, and all components are assembled based on this reference, thereby greatly improving the size accuracy and appearance of the refrigerator. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0023] Figure 1 It is a schematic diagram of the overall structure of the refrigerator of the present invention;

[0024] Figure 2 for Figure 1 Exploded diagram of

[0025] Figure 3 It is a front schematic diagram of the frame structure of the present invention;

[0026] Figure 4 is a schematic structural diagram of the first beam of the present invention;

[0027] Figure 5 is a schematic structural diagram of the second beam of the present invention;

[0028] Figure 6 is a schematic structural diagram of the third beam of the present invention;

[0029] Figure 7 It is a schematic diagram of the back side of the frame structure of the present invention;

[0030] Figure 8 It is a schematic diagram of the assembly structure of the present invention. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in combination with the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0032] Embodiments of the present invention are described in detail below, examples of which 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 only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship 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.

[0034] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the internal connection between two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0035] like Figures 1 to 8 As shown, the refrigerator of the present invention comprises a main beam, a side beam 400 and an inner tank, a plurality of the main beams are arranged at intervals along a first direction, the inner tank is located between two adjacent main beams, a pair of the side beams 400 are provided, and a pair of the side beams 400 are respectively connected to the main beam at both ends of the second direction of the main beam to form a frame structure with accurate size and stability, and this frame structure is used as the installation reference of the refrigerator for subsequent assembly and foaming of the cabinet, which can effectively prevent the deformation of the cabinet and the displacement of the main beam. The present invention forms the main structure of the refrigerator through an integral frame, provides a size-accurate and stable installation reference for the cabinet, and all components are assembled based on this reference, thereby greatly improving the size accuracy and appearance of the refrigerator.

[0036] In this embodiment, the first direction is defined as the height direction of the refrigerator, the second direction is defined as the width direction of the refrigerator, the main beam includes a first beam 100, a second beam 200 and a third beam 300 arranged in sequence along the height direction, a pair of side beams 400 connect the first beam 100, the second beam 200 and the third beam 300 at both ends in the width direction to form a frame structure serving as a reference for installing the box body, and the inner liner includes a first inner liner 500 located between the first beam 100, the second beam 200 and the side beam 400, and a second inner liner 600 located between the second beam 200, the third beam 300 and the side beam 400.

[0037] Among them, the first beam 100 includes a first main board 101 and a first reinforcing plate 102 vertically connected to the first main board 101, the first reinforcing plate 102 is located at the top of the back side of the first main board 101, the first main board 101 is connected between a pair of side beams 400, the outer surface of the first main board 101 is flush with the outer surface of the side beam 400, the first reinforcing plate 102 is flush with the top of the side beam 400, the length of the first reinforcing plate 102 is greater than the length of the first main board 101, and the first reinforcing plate 102 at both ends along the width direction exceeds the first main board 101 and is connected to the side beam 400, thereby increasing the connection strength between the first beam 100 and the side beam 400.

[0038] The second beam 200 includes a second main board 201, a first card plate 202 connected to the back of the second main board 201, and a second card plate 203. The first card plate 202 is located above the second card plate 203, and a first card slot 204 with an opening facing upward is formed between the first card plate 202 and the second main board 201, and a second card slot 205 with an opening facing downward is formed between the second card plate 203 and the second main board 201. The lower end of the first liner 500 is located in the first card slot 204, and the upper end of the second liner 600 is located in the second card slot 205. The positioning and installation of the liner are achieved by the second slot 204 and the second card slot 205, and the foaming material is prevented from overflowing from the position of the second beam 200. The contact position between the upper end of the first liner 500 and the first main board 101 and the contact position between the lower end of the second liner 600 and the third beam 300 are both sealed by sponge strips.

[0039] The first clip plate 202 and the second clip plate 203 are L-shaped plates, and the lengths of the two are the same and greater than the length of the second main board 201. The second beam 200 is connected between the pair of side beams 400 through the first clip plate 202 and the second clip plate 203. The second main board 201 at least partially protrudes from the outer surface of the side beam 400, and the outer surface of the second main board 201 is flush with the outer surface of the liner. Preferably, the first clip plate 202, the second clip plate 203 and the first reinforcing plate 102 have the same length, and the length of the second main board 201 is the same as the length of the first main board 101.

[0040] The third beam 300 includes a third main board 301 and a second reinforcing plate 302 vertically connected to the third main board 301, wherein the second reinforcing plate 302 is located at the bottom of the back side of the third main board 301, and the second reinforcing plate 302 is connected to the bottom end of the side beam 400, and the connection between the third beam 300 and the side beam 400 is achieved through the second reinforcing plate 302.

[0041] The length of the second reinforcing plate 302 is greater than that of the third main plate 301. The third main plate 301 at least partially protrudes from the outer surface of the side beam 400, and the outer surface of the third main plate 301 is flush with the outer surface of the liner. Preferably, the length of the third main plate 301 is the same as that of the first main plate 101.

[0042] The side beam 400 includes a first connecting plate 401 and a second connecting plate 402 vertically connected to the first connecting plate 401 . The second connecting plate 402 is located on a side of the first connecting plate 401 away from the main beam, and the second connecting plate 402 extends in a direction away from the front of the first connecting plate 401 .

[0043] In this embodiment, the first main board 101 is welded between the two first connecting plates 401, the first reinforcing plate 102 is welded between the two second connecting plates 402, and the parts of the first reinforcing plate 102 at both ends that extend beyond the first main board 101 are welded to the back side of the first connecting plate 401, thereby strengthening the connection strength between the first beam 100 and the side beam 400; the ends of the first clip-on plate 202 and the second clip-on plate 203 are welded to the second connecting plate 402, and the ends of the first clip-on plate 202 and the second clip-on plate 203 are also provided with a notch, the first connecting plate 401 is welded in the notch, and the back side of the second main board 201 is flush with the outer surface of the first connecting plate 401; the second reinforcing plate 302 is welded to the bottom end of the side beam 400, and the back side of the third main board 301 is flush with the outer surface of the first connecting plate 401.

[0044] The refrigerator also includes a U-shell 700, which is covered on the inner shell from top to bottom. A receiving groove is provided on the front side of the U-shell 700, and the receiving groove is located at the top of the U-shell 700 and on both sides along the second direction. The first reinforcing plate 102 is located in the receiving groove at the top of the U-shell 700, and the first reinforcing plate 102 is in contact with the top of the U-shell 700. The side beams 400 are located in the receiving grooves on both sides of the U-shell 700, and the outer surface of the U-shell 700 is flush with the outer surfaces of the second main board 201, the third main board 301, the first inner shell 500, and the second inner shell 600.

[0045] Furthermore, hinge plates are installed on the front of the first main board 101, the second main board 102, and the third main board 103. The hinge plates can be fixed to the frame by screws or welded. A hinge shaft is provided on the hinge plate. An axis hole for installing the hinge shaft can be opened on the hinge plate, or the hinge plate and the hinge shaft can be integrally formed, so that the hinge can be accurately installed with the frame as a reference.

[0046] The present invention also provides a method for manufacturing a refrigerator, which comprises the following steps:

[0047] Connecting a plurality of main beams with a pair of side beams 400 to form a frame, wherein the plurality of main beams are arranged along a first direction, and a pair of side beams 400 are connected to the plurality of main beams at both ends of the main beams along a second direction, wherein the first direction is perpendicular to the second direction, and the side beams 400 and two adjacent main beams form an installation area;

[0048] Embedding the inner container into the installation area, with the opening side of the inner container located in the installation area;

[0049] Installing a U-shell 700, wherein the U-shell 700 covers the side beam 400, and the outer surface of the U-shell 700 is flush with the outer surface of the inner container;

[0050] Foam is formed between the inner container and the U shell 700 .

[0051] In this embodiment, the first direction is defined as the height direction of the refrigerator, and the second direction is defined as the width direction of the refrigerator. The main beam includes a first beam 100, a second beam 200 and a third beam 300 arranged along the height direction. A pair of side beams 400 are welded along both sides of the width direction with the first beam 100, the second beam 200 and the third beam 300 to form a frame. The first beam 100, the second beam 200 and the side beam 400 form a first installation area, and the second beam 200, the third beam 300 and the side beam 400 form a second installation area. After the frame is formed, stress release is performed. After that, the installation plane of the hinge plate is processed on the front side of the main beam to ensure the accuracy of the hinge installation position. The inner tank is embedded in the first installation area and the second installation area, and then the U shell 700 is installed. The top of the U shell 700 cooperates with the first beam 100, and the tops of the two are in contact to prevent overflow. The sealing and installation methods of the two sides of the U shell are the same as those of a normal refrigerator. Then other pre-installed parts are installed, and foaming is performed after the installation is completed. Since the cabinet frame is an integral welded structure, it is not affected by deformation and installation errors, and its size is accurate, which can ensure the appearance of the entire refrigerator.

[0052] In summary, the present invention uses the integral frame composed of the main beam and the side beam 400 as the main structure of the refrigerator, providing a dimensionally accurate and stable installation reference for the box body, and all components are assembled based on this reference, thereby greatly improving the dimensional accuracy and appearance of the refrigerator.

[0053] It should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0054] The series of detailed descriptions listed above are only specific descriptions of feasible embodiments of the present invention and are not intended to limit the scope of protection of the present invention. All equivalent embodiments or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A refrigerator, characterized in that: include: At least two inner containers arranged along a first direction; A plurality of main beams arranged along the first direction, wherein the inner liner is located between two adjacent main beams; A pair of side beams (400), the pair of side beams (400) are respectively located on both sides of the inner liner along a second direction, the second direction is perpendicular to the first direction, and the side beams (400) are connected to a plurality of the main beams.

2. The refrigerator according to claim 1, characterized in that: The main beam comprises a first beam (100), a second beam (200) and a third beam (300) which are arranged at intervals along the first direction; A pair of side beams (400) are respectively connected to the first beam (100), the second beam (200), and the third beam (300) at two ends of the main beam in the second direction; The inner liner comprises a first inner liner (500) located between the first beam (100), the second beam (200) and the side beam (400), and a second inner liner (600) located between the second beam (200), the third beam (300) and the side beam (400).

3. The refrigerator according to claim 2, characterized in that: The first beam (100) comprises a first main board (101) and a first reinforcing board (102) vertically connected to the first main board (101).

4. The refrigerator according to claim 3, characterized in that: The first reinforcing plate (102) is located on a side of the first main plate (101) away from the second beam (200), and the length of the first reinforcing plate (202) is greater than the length of the first main plate (101).

5. The refrigerator according to claim 2, characterized in that: The second beam (200) comprises a second main board (201), a first card plate (202) connected to the back of the second main board (201), and a second card plate (203); a first card slot (204) opening toward the first inner liner (500) is formed between the first card plate (202) and the second main board (201); a second card slot (205) opening toward the second inner liner (600) is formed between the second card plate (203) and the second main board (201); the first inner liner (500) is inserted into the first card slot (204), and the second inner liner (600) is inserted into the second card slot (205).

6. The refrigerator according to claim 5, characterized in that: The first clipping plate (202) and the second clipping plate (203) have the same length and are greater than the length of the second main plate (201); the first clipping plate (202) and the second clipping plate (203) are connected between the side beams (400).

7. The refrigerator according to claim 2, characterized in that: The third beam (300) comprises a third main board (301), and a second reinforcing plate (302) vertically connected to the third main board (301), wherein the second reinforcing plate (302) is connected to the side beam (400), and the length of the second reinforcing plate (302) is greater than the length of the third main board (301).

8. The refrigerator according to claim 1, characterized in that: The side beam (400) comprises a first connecting plate (401) and a second connecting plate (402) vertically connected to the first connecting plate (401), wherein the second connecting plate (402) is located on a side of the first connecting plate (401) away from the main beam.

9. The refrigerator according to claim 1, characterized in that: It also includes a U-shell (700), the inner shell is located in the U-shell (700), and a receiving groove is provided on the front side of the U-shell (700), and the side beam (400) is located in the receiving groove.

10. The refrigerator according to claim 1, characterized in that: A hinge plate is installed on the front of the main beam, and a hinge shaft is arranged on the hinge plate. The hinge plate is provided with an axis hole for installing the hinge axis; Alternatively, the hinge plate and the hinge shaft are formed integrally.

11. A method for manufacturing a refrigerator, characterized in that: The steps include: Connecting a plurality of main beams and a pair of side beams (400) to form a frame, wherein the plurality of main beams are arranged along a first direction, and a pair of side beams (400) are connected to the plurality of main beams at both ends of the main beams along a second direction, wherein the first direction is perpendicular to the second direction, and the side beams (400) and two adjacent main beams form an installation area; Embedding the inner container into the installation area, with the opening side of the inner container located in the installation area; Installing a U-shell (700), wherein the U-shell (700) covers the side beam (400), and the outer surface of the U-shell (700) is flush with the outer surface of the inner liner; Foaming is performed between the inner container and the U shell (700).

12. The method for manufacturing a refrigerator according to claim 11, characterized in that: After the frame is formed, stress release is performed, and then the installation plane of the hinge plate is processed on the front side of the main beam.