Refrigerator door hinge connecting line structure

By using TRVV drag chain cable in the refrigerator door hinge connection line and combining the design of the door positioning plate and door hinge cover, the problem of wire core breakage in the existing technology is solved, and the stability and safety of use at higher frequency are achieved. National and international standards.

CN222165372UActive Publication Date: 2024-12-13GUANGDONG HOMA REFRIGERATOR CO LTD
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Patent Information

Application Number
CN202323456021.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-16
Publication Date
2024-12-13
Estimated Expiration
2033-12-16

AI Technical Summary

Technical Problem

The existing refrigerator door hinge connection wire is prone to core breakage after the door opening test of 100,000 times, which cannot meet the stability requirements of long-term high-frequency use.

Method used

Using TRVV drag chain cable as the electrical connection wire for refrigerator doors and box, and through the design of the door positioning plate and door hinge cover, ensuring the mechanical performance and stability of the cable, including the installation of crane arc plates and support side plates in the cable channel. To protect cables, meet national and international standards.

Benefits of technology

The TRVV drag chain cable can still be used normally after 150,000 door opening tests, ensuring the quality and safety and reliability of the product, with good mechanical properties, tensile strength and wear resistance characteristics, and is suitable for long-term high-frequency use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a refrigerator door hinge connecting line structure which comprises an upper door positioning plate, an upper door hinge, a door hinge cover and a TRVV drag chain cable, one end of the TRVV drag chain cable is electrically connected with an electrical component in a door body, the other end of the TRVV drag chain cable extends into the door hinge cover and is connected with an electrical component connecting line of a refrigerator body, and the electrical component connecting line of the refrigerator body adopts an RVV cable; a door positioning plate cover is arranged at the top of the upper door positioning plate and shields a local area of a TRVV drag chain cable, a pressing plate part is arranged at the front end of the door hinge cover, a cable channel is arranged beside the pressing plate part, and a wire pressing arc plate is arranged on one side of the cable channel. And an electrical component connecting wire in the refrigerator body penetrates through the bubble layer of the refrigerator body, extends into the rear cover part of the door hinge cover from the top of the refrigerator body, and is connected with the TRVV drag chain cable at the rear cover part. According to the utility model, the TRVV drag chain cable is used as an electrical connection lead of the door and the box body, and can bear 150000 times of door opening tests of the whole refrigerator.
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Description

Technical Field

[0001] The utility model relates to the technical field of refrigerators, in particular to a refrigerator door hinge connecting wire structure. Background Art

[0002] In the current refrigerator industry, the connecting wires used to connect the electrical parts of the cabinet and the door are generally passed through the hinge of the refrigerator door, so as to electrically connect the electrical parts of the cabinet and the door. The connecting wires generally use RVV cables, which are wrapped with PVC sleeves, nylon sleeves or fiberglass sleeves. The applicant found that this type of cable occasionally broke after being subjected to the test of opening the refrigerator door 100,000 times. Utility Model Content

[0003] The utility model aims to provide a refrigerator door hinge connecting line structure, which can still be used normally after 100,000 door opening tests, so as to overcome the shortcomings of the prior art.

[0004] A refrigerator door hinge connection line structure, including an upper door positioning plate on the top of the refrigerator upper door, an upper door hinge installed on the top of the refrigerator body, and a door hinge cover for decorating and covering the upper door hinge, characterized in that it also includes a TRVV drag chain cable, one end of the TRVV drag chain cable is electrically connected to the electrical components in the door body, and the other end extends into the door hinge cover and is connected to the electrical component connection line of the box body, and the electrical component connection line of the box body adopts an RVV cable; a door positioning plate cover is arranged on the top of the upper door positioning plate, and the door positioning plate cover blocks a local area of ​​the TRVV drag chain cable, a pressure plate portion is arranged at the front end of the door hinge cover, a cable channel is arranged next to the pressure plate portion, and a pressure arc plate is arranged on one side of the cable channel, the electrical component connection line in the refrigerator body passes through the box body foam layer, extends from the top of the box body to the rear cover portion of the door hinge cover, and is connected to the TRVV drag chain cable at the rear cover portion.

[0005] The upper door positioning plate is provided with a door body through hole, and the TRVV drag chain cable passes through the door body through hole and is electrically connected to the electrical components buried inside the door body.

[0006] The first end of the upper door positioning plate is provided with a sunken door hinge area and a through-hole area, and the door hinge area is provided with a wall panel flange and a limit block on the front side wall panel.

[0007] The door hinge area and the through hole area are separated by an intermediate plate, and a wire groove is arranged on the intermediate plate.

[0008] Groove side panels are arranged on both sides of the wire groove, a positioning inserting small plate is arranged at one end of the door positioning plate cover, the positioning inserting small plate extends into the gap between the wall panel flange and the limit block, and the door positioning plate cover is provided with a supporting side panel, and the supporting side panel is overlapped on the groove side panel.

[0009] The beneficial effects of the utility model are as follows: the utility model uses the TRVV drag chain cable as the electrical connection wire for the door and the box body, and after testing, it can withstand 150,000 door opening tests of the entire refrigerator, and the wire core does not break after the test, thereby ensuring the quality of the product.

[0010] TRVV drag chain cable meets the national standard GB / T9330, international standards IEC, VDE, ensuring safety, reliability and stability. It has good mechanical properties, small bending radius, high tensile strength, wear resistance and other characteristics, and is not easily damaged even after long-term and frequent bending use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a schematic diagram of the refrigerator door hinge connection line structure.

[0012] Figure 2 This is a schematic diagram of the refrigerator door hinge connection line structure with the door positioning plate cover omitted.

[0013] Figure 3 This is a schematic diagram of the refrigerator door hinge connection line structure with the door hinge cover omitted.

[0014] Figure 4 This is a schematic diagram of door hinge installation.

[0015] Figure 5 It is a schematic diagram of the door hinge cover structure.

[0016] Figure 6 This is a schematic diagram of the door positioning plate cover structure.

[0017] Figure 7 It is a structural schematic diagram of the door positioning plate.

[0018] In the accompanying drawings, the reference numerals represent as follows: door hinge cover 1, door positioning plate cover 2, upper door positioning plate 3, TRVV drag chain cable 5, upper door hinge 6, door hinge shaft 7, pressure plate part 11, cable channel 12. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and 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 only used to explain the present invention, and cannot be understood 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", 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. Unless otherwise specified, "plurality" means two or more.

[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection. It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] See also Figure 1-7 The utility model discloses a refrigerator door hinge connection line structure, including an upper door positioning plate 3 on the top of the refrigerator upper door, an upper door hinge 6 installed on the top of the refrigerator box, a door hinge cover 1 for decorating and covering the upper door hinge, and a TRVV drag chain cable 5, one end of the TRVV drag chain cable 5 is electrically connected to the electrical components in the door body, and the other end extends into the door hinge cover 1 and is connected to the electrical component connection line of the box body, and the electrical component connection line of the box body adopts an RVV cable; a door hinge shaft 7 is arranged at the front end of the upper door hinge 6, and the door hinge shaft 7 passes through the upper door positioning plate 3 and goes deep into the door body. The rear end of the upper door hinge 6 is fixed to the box body by screws. A door positioning plate cover 2 is arranged on the top of the upper door positioning plate, and the door positioning plate cover 2 blocks a local area of ​​the TRVV drag chain cable. A pressure plate portion 11 is arranged at the front end of the door hinge cover 1, and a cable channel 12 is arranged next to the pressure plate portion. A pressure arc plate 13 is arranged on one side of the cable channel. The connecting wires of the electrical components in the refrigerator body pass through the foam layer of the box body, extend from the top of the box body to the rear cover portion 10 of the door hinge cover, and are connected to the TRVV drag chain cable at the rear cover portion.

[0023] The upper door positioning plate is provided with a door body through hole, and the TRVV drag chain cable passes through the door body through hole and is electrically connected to the electrical components buried inside the door body.

[0024] The first end of the upper door positioning plate is provided with a sunken door hinge area 31 and a through hole area 32, the door body through hole is on the bottom wall of the through hole area, and the door hinge area is provided with a wall panel flange 35 and a limit block 36 on the front side wall panel.

[0025] The door hinge area and the through hole area are separated by a partition plate 320 , and a wire groove 33 is arranged on the partition plate.

[0026] Groove side panels 331 are arranged on both sides of the wire groove 33, and a positioning inserting small plate 21 is arranged at one end of the door positioning plate cover 2, and the positioning inserting small plate extends into the gap between the wall panel flange and the limit block. The door positioning plate cover is provided with a supporting side panel 22, and the supporting side panel is overlapped on the groove side panel 331.

[0027] The full name of RVV wire is copper core PVC insulated PVC sheathed soft wire, also known as light PVC sheathed soft wire, commonly known as soft sheathed wire, which is a kind of sheathed wire. It can be used as power line for electrical and electronic equipment, and can also be used as control line and signal transmission line.

[0028] TRVV drag chain cable can also be called flexible cable. It uses high-purity multi-core fine oxygen-free sports bare copper wire for mobile applications.

[0029] All components involved in the present invention may be general standard parts or components known to those skilled in the art, and their structures, principles and control methods are known to those skilled in the art through technical manuals or conventional experimental methods.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, other refrigerator door hinge connection line structures obtained by adopting the same or similar technical features as the above embodiments of the present invention are within the protection scope of the present invention.

Claims

1. A refrigerator door hinge connecting line structure, comprising an upper door positioning plate at the top of the refrigerator upper door, an upper door hinge installed on the top of the refrigerator body, and a door hinge cover for decorating and covering the upper door hinge, characterized in that: It also includes a TRVV drag chain cable, one end of which is electrically connected to the electrical components in the door body, and the other end extends into the door hinge cover and is connected to the electrical component connecting wires of the box body, and the electrical component connecting wires of the box body adopt RVV cables; a door positioning plate cover is arranged on the top of the upper door positioning plate, and the door positioning plate cover blocks a local area of ​​the TRVV drag chain cable, a pressure plate part is arranged at the front end of the door hinge cover, a cable channel is arranged next to the pressure plate part, and a pressure arc plate is arranged on one side of the cable channel, and the electrical component connecting wires in the refrigerator box body pass through the box body foam layer, extend from the top of the box body to the rear cover part of the door hinge cover, and are connected to the TRVV drag chain cable at the rear cover part.

2. The refrigerator door hinge connection line structure according to claim 1, characterized in that: The upper door positioning plate is provided with a door body through hole, and the TRVV drag chain cable passes through the door body through hole and is electrically connected to the electrical components buried inside the door body.

3. The refrigerator door hinge connection line structure according to claim 2, characterized in that: The first end of the upper door positioning plate is provided with a sunken door hinge area and a through-hole area, and the door hinge area is provided with a wall panel flange and a limit block on the front side wall panel.

4. The refrigerator door hinge connection line structure according to claim 3, characterized in that: The door hinge area and the through hole area are separated by an intermediate plate, and a wire groove is arranged on the intermediate plate.

5. The refrigerator door hinge connection line structure according to claim 4, characterized in that: Groove side panels are arranged on both sides of the wire groove, a positioning inserting small plate is arranged at one end of the door positioning plate cover, the positioning inserting small plate extends into the gap between the wall panel flange and the limit block, and the door positioning plate cover is provided with a supporting side panel, and the supporting side panel is overlapped on the groove side panel.