Multi-strand flexible flat cable (FFC) flat wire harness capable of being twisted

Abstract

The utility model provides a multi-strand flexible flat cable (FFC) wiring harness capable of being twisted, which comprises a total flat FFC wiring harness, the total flat FFC wiring harness is composed of a total connecting part, a plurality of groups of split FFC wiring harness parts, a first external connecting part and a second external connecting part, the split FFC wiring harness parts are parallelly stacked up and down and are annularly wrapped and connected through acetic acid wrapping cloth or wear-resistant adhesive tape, and the first external connecting part is connected with the second external connecting part. The two ends of the multi-group split FFC wire harness part are respectively connected with the first external connection part and the second external connection part through the total connection part, and the first external connection part and the second external connection part are electrically connected with external connection equipment, so that traditional wire harnesses such as electronic wire harnesses and FPC (Flexible Printed Circuit) are replaced. A plurality of groups of FFC wire harness parts are stacked up and down in parallel and are annularly wrapped and connected through the acetic acid wrapping cloth or the wear-resistant adhesive tape to form the integrated wire harness, one-time or multi-time rotation and twisting at any angle can be carried out at any point position, and the connection flexibility of the first external connection part and the second external connection part with external connection equipment is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of FFC and FPC wire harnesses, and more specifically to a twistable multi-strand FFC flat wire harness. Background Art

[0002] Wiring harnesses are widely used in various electronic appliances and are wiring components that connect various electrical devices in the circuit.

[0003] The patent closest to the prior art is, publication number: CN207732223U, a PCB adapter cable, which discloses a PCB adapter cable; including a terminal connector, a PCB and a cable conductor 7; the terminal connectors are two, the PCBs are also two, and they are connected in sequence according to the order of the terminal connector, PCB, cable conductor 7, PCB and terminal connector, and welded into an integrated structure.

[0004] The cable conductor 7 in this patent is loose at the two ends of the cable conductor 7, which cannot meet the requirement of flexible twisting of the cable conductor 7 to match the external connection device, and occupies a large area. When the space of the connection device is small, it cannot be connected.

[0005] Therefore, how to solve the problem that traditional wiring harnesses occupy a large area and have low matching flexibility is an urgent problem to be solved by technical personnel in this field. Utility Model Content

[0006] In order to solve the problem that traditional wiring harnesses occupy a large area and have low matching flexibility, the utility model proposes a twistable multi-strand FFC flat wiring harness, which is mainly used in rotating connection positions such as cameras, laptops, car doors and windows. It can be flexibly twisted and can pass through a small space for connecting cameras to motherboards, between laptop displays and motherboards, and various rotatable control module connection structures. The product of the utility model has low cost and is lighter than before.

[0007] A twistable multi-strand FFC flat wire harness includes a total flat FFC wire harness 1, characterized in that: the total flat FFC wire harness 1 consists of a total connecting part 2, a stripped FFC wire harness part 3, a first external connecting part 4, and a second external connecting part 5, the stripped FFC wire harness parts 3 have multiple groups, the multiple components of the stripped FFC wire harness parts 3 are stacked up and down in parallel and are connected by wrapping acetate cloth or wear-resistant tape 6, both ends of the multiple components of the stripped FFC wire harness parts 3 are respectively connected to the first external connecting part 4 and the second external connecting part 5 through the total connecting part 2, and the first external connecting part 4 and the second external connecting part 5 are both electrically connected to external connection equipment.

[0008] Furthermore, the multi-component strip FFC wire harness portion 3 includes at least one FFC flat sub-wire, and the adjacent FFC flat sub-wires are stacked up and down.

[0009] Furthermore, the total flat FFC harness 1 includes an insulating film and a conductor 7 . The insulating layer has two layers, and a plurality of conductors 7 are arranged between adjacent insulating layers.

[0010] Furthermore, the multi-component strip FFC harness portion 3 can be rotated and twisted at any angle once or multiple times at any point after being connected by wrapping with acetate cloth or wear-resistant tape 6 .

[0011] Furthermore, the cross section of the conductor 7 at the first external connection portion 4 and the second external connection portion 5 is rectangular.

[0012] Furthermore, the cross section of the conductor 7 at the main connection portion 2 and the stripped FFC harness portion 3 is circular.

[0013] Furthermore, reinforcing plate layers 8 are provided at both ends below the overall flat FFC harness 1 to reinforce the structural strength of the connection between the first external connection part 4 , the second external connection part 5 and each overall connection part 2 .

[0014] Furthermore, the stripped FFC harness portion 3 and the main connecting portion 2 near the first external connecting portion 4, and the stripped FFC harness portion 3 and the main connecting portion 2 near the second external connecting portion 5 are also wrapped with Mylar tape 9 to enhance the connection strength and prevent tearing.

[0015] Beneficial effects of the utility model: The utility model proposes a twistable multi-strand FFC flat wire harness, the total flat FFC wire harness 1 consists of a total connection part 2, a strip FFC wire harness part 3, a first external connection part 4, and a second external connection part 5. The strip FFC wire harness part 3 has multiple groups, and the multi-component strip FFC wire harness parts 3 are stacked up and down in parallel and connected by wrapping acetate cloth or wear-resistant tape 6. Both ends of the multi-component strip FFC wire harness part 3 are connected to the first external connection part 4 and the second external connection part 5 through the total connection part 2, and the first external connection part 4 and the second external connection part 5 are electrically connected to the external connection device. The invention can replace the traditional wiring harness such as electronic wiring harness and FPC by stacking the multi-component strip FFC wiring harness parts 3 in parallel and connecting them by wrapping acetate cloth or wear-resistant tape 6 to form an integrated wiring harness. The wiring harness can be rotated and twisted at any angle once or multiple times at any point, which greatly improves the connection flexibility between the first external connection part 4 and the second external connection part 5 and the external connection equipment, and occupies a small area; the cost is low and the weight is light; at the same time, the two ends below the total flat FFC wiring harness 1 are also provided with reinforcing plate layers 8, which enhance the structural strength of the connection between the first external connection part 4, the second external connection part 5 and each total connection part 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the twistable multi-strand FFC flat wire harness of the present application.

[0017] Figure 2 This is a schematic side view of the twistable multi-strand FFC flat wire harness of the present application.

[0018] Figure 3 This is a schematic structural diagram of the twistable multi-strand FFC flat wire harness of the present application in a state where it is only divided into strips and is not wrapped with acetate cloth or wear-resistant tape for loop connection.

[0019] Figure 4 It is a schematic diagram of the partial structure of the conductor of the twistable multi-strand FFC flat wire harness of the present application.

[0020] Main component symbols

[0021]

[0022]

[0023] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0024] The following examples are described to assist the understanding of the present application, and the examples are not and should not be interpreted in any way as limiting the scope of protection of the present application.

[0025] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including within a single system or component).

[0026] At the same time, the connections between components or systems are not intended to be limited to direct connections, rather, the data between these components may be modified, reformatted, or otherwise changed by intermediate components. In addition, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections.

[0027] Embodiment 1:

[0028] like Figure 1 As shown, it is a schematic diagram of the structure of the twistable multi-strand FFC flat wire harness of the present application; Figure 2 As shown, it is a side view structural schematic diagram of the twistable multi-strand FFC flat wire harness of the present application; Figure 3 As shown, it is a schematic structural diagram of the twistable multi-strand FFC flat wire harness of the present application in a state where only strips are formed without using acetate cloth or wear-resistant tape for loop connection; Figure 4The figure is a schematic diagram of the partial structure of the conductor of the twistable multi-strand FFC flat wire harness of the present application.

[0029] A twistable multi-strand FFC flat wire harness includes a total flat FFC wire harness 1, characterized in that: the total flat FFC wire harness 1 consists of a total connecting part 2, a stripped FFC wire harness part 3, a first external connecting part 4, and a second external connecting part 5, the stripped FFC wire harness parts 3 have multiple groups, the multiple components of the stripped FFC wire harness parts 3 are stacked up and down in parallel and are connected by wrapping acetate cloth or wear-resistant tape 6, both ends of the multiple components of the stripped FFC wire harness parts 3 are respectively connected to the first external connecting part 4 and the second external connecting part 5 through the total connecting part 2, and the first external connecting part 4 and the second external connecting part 5 are both electrically connected to external connection equipment.

[0030] The multi-component strip FFC wire harness portion 3 includes at least one FFC flat sub-wire, and the adjacent FFC flat sub-wires are stacked up and down.

[0031] The total flat FFC harness 1 includes an insulating film and a conductor 7. The insulating layer has two layers, and a plurality of conductors 7 are arranged between adjacent insulating layers.

[0032] The multi-component strip FFC harness part 3 can be rotated and twisted at any angle once or multiple times at any point after being connected by wrapping with acetate cloth or wear-resistant tape 6.

[0033] The conductor 7 at the first external connection portion 4 and the second external connection portion 5 has a rectangular cross section.

[0034] The conductor 7 has a circular cross section at the main connection portion 2 and the stripped FFC harness portion 3 .

[0035] Reinforcement plate layers 8 are also provided at both ends below the overall flat FFC harness 1 to reinforce the structural strength of the connection between the first external connection part 4 , the second external connection part 5 and each overall connection part 2 .

[0036] The stripped FFC harness portion 3 and the main connecting portion 2 are both wrapped with Mylar tape 9 near the first external connecting portion 4, and the stripped FFC harness portion 3 and the main connecting portion 2 are both wrapped with Mylar tape 9 near the second external connecting portion 5 to enhance the connection strength and prevent tearing.

[0037] Beneficial effects of the utility model: The utility model proposes a twistable multi-strand FFC flat wire harness, the total flat FFC wire harness 1 consists of a total connection part 2, a strip FFC wire harness part 3, a first external connection part 4, and a second external connection part 5. The strip FFC wire harness part 3 has multiple groups, and the multi-component strip FFC wire harness parts 3 are stacked up and down in parallel and connected by wrapping acetate cloth or wear-resistant tape 6. Both ends of the multi-component strip FFC wire harness part 3 are connected to the first external connection part 4 and the second external connection part 5 through the total connection part 2, and the first external connection part 4 and the second external connection part 5 are electrically connected to the external connection device. The invention can replace the traditional wiring harness such as electronic wiring harness and FPC by stacking the multi-component strip FFC wiring harness parts 3 in parallel and connecting them by wrapping acetate cloth or wear-resistant tape 6 to form an integrated wiring harness. The wiring harness can be rotated and twisted at any angle once or multiple times at any point, which greatly improves the connection flexibility between the first external connection part 4 and the second external connection part 5 and the external connection equipment, and occupies a small area; the cost is low and the weight is light; at the same time, the two ends below the total flat FFC wiring harness 1 are also provided with reinforcing plate layers 8, which enhance the structural strength of the connection between the first external connection part 4, the second external connection part 5 and each total connection part 2.

[0038] Although the present application has disclosed multiple aspects and embodiments, other aspects and embodiments will be obvious to those skilled in the art, and several modifications and improvements may be made without departing from the concept of the present application, all of which belong to the protection scope of the present application. The multiple aspects and embodiments disclosed in the present application are only for illustration and are not intended to limit the present application. The actual protection scope of the present application shall be subject to the claims.

Claims

1. A twistable multi-strand FFC flat wire harness, comprising a total flat FFC wire harness (1), characterized in that: The total flat FFC harness (1) is composed of a total connection part (2), a stripped FFC harness part (3), a first external connection part (4), and a second external connection part (5). The stripped FFC harness parts (3) have multiple groups. The multiple groups of stripped FFC harness parts (3) are stacked in parallel and arranged up and down and are connected by wrapping with acetate cloth or wear-resistant tape (6). Both ends of the multiple groups of stripped FFC harness parts (3) are connected to the first external connection part (4) and the second external connection part (5) respectively through the total connection part (2), and the first external connection part (4) and the second external connection part (5) are electrically connected to external connection equipment.

2. The twistable multi-strand FFC flat wire harness according to claim 1, characterized in that: The multi-component strip FFC wire harness portion (3) comprises at least one FFC flat sub-wire, and the adjacent FFC flat sub-wires are stacked up and down.

3. The twistable multi-strand FFC flat wire harness according to claim 1, characterized in that: The total flat FFC harness (1) comprises an insulating layer and a conductor (7), wherein the insulating layer has two layers, and a plurality of conductors (7) are arranged at intervals between adjacent insulating layers.

4. The twistable multi-strand FFC flat wire harness according to claim 1, characterized in that: After the multi-component strip FFC harness part (3) is connected by wrapping with acetate cloth or wear-resistant tape (6), it can be rotated and twisted at any angle once or multiple times at any point.

5. The twistable multi-strand FFC flat wire harness according to claim 3, characterized in that: The conductor (7) is located at the first external connection part (4) and the second external connection part (5) and has a rectangular cross section.

6. The twistable multi-strand FFC flat wire harness according to claim 3, characterized in that: The cross section of the conductor (7) located at the main connection portion (2) and the stripped FFC harness portion (3) is circular.

7. The twistable multi-strand FFC flat wire harness according to claim 1, characterized in that: Reinforcement plate layers (8) are also provided at both ends below the overall flat FFC harness (1) for reinforcing the structural strength of the connection between the first external connection part (4), the second external connection part (5) and each overall connection part (2).

8. The twistable multi-strand FFC flat wire harness according to claim 1, characterized in that: The stripped FFC harness portion (3) and the main connecting portion (2) near the first external connecting portion (4), and the stripped FFC harness portion (3) and the main connecting portion (2) near the second external connecting portion (5) are both wrapped with Mylar tape (9) for enhancing the connection strength and preventing tearing.

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