CN220821145U

CN220821145U - Flat FFC structure

Info

Publication number: CN220821145U
Application number: CN202322579016.XU
Authority: CN
Inventors: 石晗
Original assignee: Dongguan Shenghe Technology Co ltd
Current assignee: Dongguan Shenghe Technology Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-04-19
Anticipated expiration: 2033-09-22

Abstract

The utility model relates to the technical field of connecting wires, in particular to a flat FFC structure which comprises an FFC body, wherein one end or/and two ends of the FFC body are provided with folding parts, one end or/and two ends of the folding parts and the FFC body are respectively provided with a plurality of positioning punching holes, the upper end face or/and the lower end face of the joint of the folding parts and the FFC body are attached with reinforcing insulating plates, the reinforcing insulating plates are provided with a plurality of positioning injection holes, and the positioning punching holes correspond to the positioning injection holes one by one. The utility model solves the technical problems of the prior art that the short circuit condition is easy to occur because partial conductors inside are exposed in the punching process and the structural strength is poor after the FFC body is bent to form a folded shape, thereby realizing the improvement of the structural strength between the FFC body and the folded part, having strong structural stability, having better insulating effect, avoiding the short circuit and ensuring the working reliability.

Description

Flat FFC structure

Technical Field

The utility model relates to the technical field of connecting wires, in particular to a flat FFC structure.

Background

In the existing vehicle-mounted systems or battery management systems, a flexible flat cable FFC is mostly adopted as a detection connecting component or a signal transmission component, and signal transmission and connection of all relevant components are achieved through the flexible flat cable FFC, wherein one end or two ends of the flexible flat cable FFC are required to be bent to form a folded shape so as to save space and improve use flexibility, and connection is convenient.

However, in the process of implementing the technical scheme of the embodiment of the utility model, the applicant discovers that the above technology has at least the following technical problems:

After one end or two ends of the FFC are bent to form a folded shape, the structure strength is poor; in addition, because the flexible flat cable FFC needs to be matched with other signal transmission lines for positioning and attaching, punching and positioning are needed at two ends of the flexible circuit board, and in the punching process, partial conductors inside the flexible flat cable FFC can be exposed, so that short circuit is easy to occur.

Disclosure of Invention

The embodiment of the application solves the technical problems that in the prior art, because partial conductors inside are possibly exposed in the punching process, the short circuit condition is easy to occur, and the structural strength is poor after the FFC body is bent to form a folded shape, thereby improving the structural strength between the FFC body and the folded part, having strong structural stability, having better insulating effect, avoiding short circuit and ensuring the working reliability.

The embodiment of the application provides a flat FFC structure, which comprises an FFC body, wherein one end or/and two ends of the FFC body are provided with folding parts, one end or/and two ends of the folding parts and the FFC body are respectively provided with a plurality of positioning punching holes, the upper end face or/and the lower end face of the joint of the folding parts and the FFC body are attached with reinforcing insulating plates, the reinforcing insulating plates are provided with a plurality of positioning injection holes, and the positioning punching holes correspond to the positioning injection holes one by one.

Wherein the aperture of the positioning punching hole is larger than the aperture of the positioning injection molding hole.

Wherein, the folding part is arranged vertically with the FFC body.

Wherein, FFC body includes the conductor layer, attaches the upper insulating film of conductor layer up end and attaches the lower insulating film of conductor layer lower terminal surface.

Wherein, upper insulating film with the insulating film down is the PET material.

Wherein, the upper insulating film and the lower insulating film are made of hot melt adhesive materials.

The conductor layer comprises a plurality of wires which are arranged in a row at intervals.

Wherein, the material of wire is one of bare copper, bare copper tin plating, bare copper silver plating or bare copper nickel plating.

Wherein, FFC body is flat setting.

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

1. Because the upper end face or/and the lower end face of the joint of the folding part and the FFC body are/is adhered with the reinforcing insulating plate, the exposed conductor layer at the positioning punching part is subjected to lamination protection through the reinforcing insulating plate, the technical problems that in the prior art, after the inside part of conductors are possibly exposed and the FFC body is folded to form a folded shape, the short circuit condition is easy to occur and the structural strength is poor are effectively solved, the structural strength between the FFC body and the folding part is improved, the structural stability is high, the better insulating effect is achieved, the short circuit is avoided, and the working reliability is ensured.

2. Because the positioning punching holes and the positioning injection holes are matched for positioning, the reinforced insulating plate, the folding part and the FFC body are positioned and injected, and the connection accuracy is improved.

Drawings

FIG. 1 is a schematic view of a flat FFC structure of the present application;

FIG. 2 is a schematic view of the FFC body of the present application;

FIG. 3 is a schematic structural view of a reinforced insulating plate according to the present application;

fig. 4 is a cross-sectional view of the FFC body of the present application.

The labels of figures 1 to 4 include:

1. An FFC body; 2. a folding part; 3. positioning and punching; 4. a reinforcing insulating plate; 5. positioning an injection molding hole; 6. a conductor layer; 7. an upper insulating film; 8. and a lower insulating film.

Detailed Description

The embodiment of the application solves the technical problems that in the prior art, because partial conductors inside are possibly exposed in the punching process, the short circuit condition is easy to occur, and the structural strength is poor after the FFC body 1 is bent to form a folded shape, thereby improving the structural strength between the FFC body 1 and the folded part 2, having strong structural stability, having better insulating effect, avoiding short circuit and ensuring the working reliability.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Example 1

In a first embodiment of the present application, a flat FFC structure is provided, which includes an FFC body 1, one end or/and two ends of the FFC body 1 are provided with a folded portion 2, one end or/and two ends of the folded portion 2 and the FFC body 1 are respectively provided with a plurality of positioning punching holes 3, an upper end surface or/and a lower end surface of a connection position of the folded portion 2 and the FFC body 1 is attached with a reinforcing insulating plate 4, the reinforcing insulating plate 4 is provided with a plurality of positioning injection holes 5, and the positioning punching holes 3 are in one-to-one correspondence with the positioning injection holes 5. Wherein the aperture of the positioning punching hole 3 is larger than the aperture of the positioning injection molding hole 5.

The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:

Under the above-mentioned setting, on the one hand, the up end or/and the lower terminal surface that have adopted folding portion 2 and FFC body 1 junction all are attached with reinforcement insulation board 4, so make the conductor layer 6 that is exposed in location punching 3 department laminate the protection through reinforcement insulation board 4, effectively solved among the prior art in the punching process, because inside partial conductor probably exposes, take place the short circuit condition easily and FFC body 1 is buckled and is formed fold the back, the technical problem of structural strength poor, and then realized improving the structural strength between FFC body 1 and the folding portion 2, structural stability is strong, and possess better insulating effect, avoid the short circuit, guarantee operational reliability.

On the other hand, the positioning punching holes 3 and the positioning injection holes 5 are used for matching and positioning, so that positioning injection is performed between the reinforcing insulating plate 4 and the folding part 2, FFC body 1, and the accuracy and stability of connection between the reinforcing insulating plate 4 and the folding part 2, FFC body 1 are improved.

Example two

In the second embodiment of the present application, the folded portion 2 is disposed vertically to the FFC body 1, and the FFC body 1 is disposed flat.

Example III

In the third embodiment of the present application, the FFC body 1 includes a conductor layer 6, an upper insulating film 7 attached to an upper end surface of the conductor layer 6, and a lower insulating film 8 attached to a lower end surface of the conductor layer 6. Wherein the upper insulating film 7 and the lower insulating film 8 are made of PET. The conductor layer 6 comprises a plurality of wires which are arranged in a row at intervals, and the wires are made of one of bare copper, bare copper tin plating, bare copper silver plating or bare copper nickel plating; wherein, the two ends of the wire in the conductor layer 6 extend out of the two ends of the upper insulating film 7 and the lower insulating film 8, which is convenient for conducting connection with the outside.

under the above arrangement, the upper insulating layer and the lower insulating layer play a better role in insulation and shielding.

Example IV

In the fourth embodiment of the present application, the difference from the third embodiment is that: the upper insulating film 7 and the lower insulating film 8 are made of hot melt adhesive.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the utility model

Clear spirit and scope. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A flat FFC structure, characterized in that: including FFC body (1), the one end or/and the both ends of FFC body (1) are provided with folding portion (2), folding portion (2) and FFC body (1) one end or/and both ends are provided with a plurality of location punching a hole (3) respectively, folding portion (2) with the up end or/and the lower terminal surface of FFC body (1) junction are attached with reinforcement insulation board (4), reinforcement insulation board (4) are provided with a plurality of location hole (5) of moulding plastics, location punching a hole (3) with location hole (5) one-to-one.

2. The flat FFC structure as claimed in claim 1, wherein: the aperture of the positioning punching hole (3) is larger than the aperture of the positioning injection molding hole (5).

3. The flat FFC structure as claimed in claim 1, wherein: the folding part (2) is vertically arranged with the FFC body (1).

4. The flat FFC structure as claimed in claim 1, wherein: the FFC body (1) comprises a conductor layer (6), an upper insulating film (7) attached to the upper end face of the conductor layer (6) and a lower insulating film (8) attached to the lower end face of the conductor layer (6).

5. The flat FFC structure as claimed in claim 4, wherein: the upper insulating film (7) and the lower insulating film (8) are made of PET.

6. The flat FFC structure as claimed in claim 4, wherein: the upper insulating film (7) and the lower insulating film (8) are made of hot melt adhesive materials.

7. The flat FFC structure as claimed in claim 4, wherein: the conductor layer (6) comprises a plurality of wires which are arranged in a row at intervals.

8. The flat FFC structure as claimed in claim 7, wherein: the conducting wire is made of one of bare copper, bare copper tin plating, bare copper silver plating or bare copper nickel plating.

9. The flat FFC structure as claimed in claim 4, wherein: the FFC body (1) is arranged in a flat mode.