CN210805279U

CN210805279U - FFC flat cable

Info

Publication number: CN210805279U
Application number: CN201921690215.5U
Authority: CN
Inventors: 洪新江; 卢兵; 陈春
Original assignee: Zhejiang Xinfuer Electronics Co ltd
Current assignee: Zhejiang Xinfuer Electronics Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-19
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a FFC winding displacement, include from last to looping through the first insulating layer that the adhesive linkage splices extremely down, the conductive layer, second insulating layer and aluminium foil shielding layer, the end of aluminium foil shielding layer is equipped with the breach, be equipped with the reinforcement aluminium foil in the breach, aluminium foil shielding layer and reinforcement aluminium foil lower surface are stained with third insulating layer and fourth insulating layer respectively, be equipped with first fretwork area and second fretwork area on third insulating layer and the fourth insulating layer respectively, it has the aluminium foil conducting layer to bond through conducting resin layer in third insulating layer and fourth insulating layer linking department lower part, the aluminium foil conducting layer is connected with the reinforcement aluminium foil electricity in first fretwork area department, and be connected with aluminium foil shielding layer electricity in second fretwork area department, the periphery of third insulating layer is parallel and level mutually with the periphery of reinforcement aluminium foil. The utility model provides a FFC winding displacement rational in infrastructure, can avoid to a certain extent when FFC winding displacement inserts in the connector reinforcement aluminium foil takes place the short circuit with terminal contact in the connector.

Description

FFC flat cable

Technical Field

The utility model relates to a FFC winding displacement belongs to winding displacement structural design field.

Background

In the prior art, because the FFC flat cable has the advantages of high-density integration, wiring program, excellent flexibility, flexible application and the like, the signal transmission material adopted in the television at present is gradually changed from a common harness wire into the FFC wire. In the conventional FFC flat cable, the end of the flat cable is exposed outside on one surface of the reinforcing aluminum foil at the golden finger, so that when the end of the FFC flat cable is inserted into a connector in actual use, the exposed surface of one side of the reinforcing aluminum foil is easy to contact with an inner terminal of the connector to cause short circuit, and the structure of the conventional FFC flat cable can be improved.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a FFC winding displacement of structure reasonable relatively.

Realize the utility model discloses the technical scheme of purpose is:

an FFC flat cable comprises a first insulating layer, a conductor layer, a second insulating layer and an aluminum foil shielding layer which are sequentially bonded by an adhesive layer from top to bottom, the upper surface of the tail end of the conductor layer is exposed outside the first insulating layer to form a golden finger, the tail end of the aluminum foil shielding layer is provided with a notch, a reinforced aluminum foil is arranged in the gap, a third insulating layer and a fourth insulating layer are respectively adhered to the lower surfaces of the aluminum foil shielding layer and the reinforced aluminum foil, a first hollow-out area and a second hollow-out area are respectively arranged on the third insulating layer and the fourth insulating layer, an aluminum foil conductive layer is bonded on the lower part of the joint of the third insulating layer and the fourth insulating layer through a conductive adhesive layer, the aluminum foil conductive layer is electrically connected with the reinforced aluminum foil at the first hollow-out area, and the second hollow-out area is electrically connected with the aluminum foil shielding layer, and the periphery of the third insulating layer is flush with the periphery of the reinforced aluminum foil.

In the above technical solution, the first insulating layer and the second insulating layer include an insulating film layer and a PE film layer.

In the above technical scheme, the adhesive layer is a hot melt adhesive layer.

In the above technical scheme, a third hollowed-out area is formed on the third insulating layer, and a part of the reinforcing aluminum foil corresponding to the third hollowed-out area is exposed to the outside to form a grounding area.

The utility model discloses has positive effect: the utility model discloses an among the FFC winding displacement, the periphery of third insulating layer with the periphery of reinforcement aluminium foil is parallel and level mutually to cover the lower surface of whole reinforcement aluminium foil through the third insulating layer, play certain isolation, thereby avoid reinforcing aluminium foil and terminal contact in the connector and take place the short circuit when the FFC winding displacement inserts in the connector.

Drawings

Fig. 1 is a front view of the FFC bus bar of the present invention;

fig. 2 is a sectional view taken along line a-a of fig. 1.

The reference symbols shown in the figures are: 1-a first insulating layer; 2-a conductor layer; 3-a second insulating layer; 4-an aluminum foil shielding layer; 5-reinforcing aluminum foil; 6-a third hollowed-out area; 7-a third insulating layer; 71-a first hollowed-out area; 8-a fourth insulating layer; 81-a second hollowed-out area; 9-a conductive adhesive layer; 10-an aluminum foil conductive layer; 11-an adhesive layer; 12-an insulating film layer; 13-PE film layer.

Detailed Description

The specific structure of the present invention is described below with reference to the attached drawings:

an FFC flat cable, as shown in FIG. 1 and FIG. 2, comprises a first insulating layer 1, a conductor layer 2, a second insulating layer 3 and an aluminum foil shielding layer 4 which sequentially bond via an adhesive layer 11 from top to bottom, wherein the upper surface of the end of the conductor layer 2 is exposed outside the first insulating layer 1 to form a golden finger, the end of the aluminum foil shielding layer 4 is provided with a notch, a reinforcing aluminum foil 5 is arranged in the notch, a third insulating layer 7 and a fourth insulating layer 8 are respectively adhered to the lower surfaces of the aluminum foil shielding layer 4 and the reinforcing aluminum foil 5, a first hollow area 71 and a second hollow area 81 are respectively arranged on the third insulating layer 7 and the fourth insulating layer 8, an aluminum foil conducting layer 10 is adhered to the lower part of the joint of the third insulating layer 7 and the fourth insulating layer 8 via a conductive adhesive layer 9, the aluminum foil conducting layer 10 is electrically connected with the aluminum foil reinforcing layer 5 at the first hollow area 71, and second fretwork district 81 department with aluminium foil shielding layer 4 electricity is connected, so promptly through aluminium foil conducting layer 10 and conductive adhesive layer 9 with reinforcement aluminium foil conducting layer and the effective electric connection of aluminium foil shielding layer 4, the periphery of third insulating layer 7 with the periphery of reinforcement aluminium foil 5 is parallel and level mutually to cover the lower surface of whole reinforcement aluminium foil through third insulating layer 7, play certain isolation, thereby avoid when the FFC winding displacement inserts in the connector reinforcement aluminium foil and terminal contact and take place the short circuit in the connector.

In this embodiment, the first insulating layer 1 and the second insulating layer 3 include an insulating film layer 12 and a PE film layer 13, and further, the adhesive layer 11 in this embodiment is a hot melt adhesive layer.

In this embodiment, the third insulating layer 7 has a third hollow-out area 6, and a portion of the reinforcing aluminum foil 5 corresponding to the third hollow-out area 6 is exposed to form a grounding area.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. The FFC flat cable is characterized by comprising a first insulating layer (1), a conductor layer (2), a second insulating layer (3) and an aluminum foil shielding layer (4) which sequentially pass through an adhesive layer (11) from top to bottom in a gluing mode, wherein the upper surface of the tail end of the conductor layer (2) is exposed to form a golden finger outside the first insulating layer (1), a notch is formed in the tail end of the aluminum foil shielding layer (4), a reinforcing aluminum foil (5) is arranged in the notch, the lower surfaces of the aluminum foil shielding layer (4) and the reinforcing aluminum foil (5) are respectively adhered with a third insulating layer (7) and a fourth insulating layer (8), a first hollow area (71) and a second hollow area (81) are respectively arranged on the third insulating layer (7) and the fourth insulating layer (8), and a conductive layer aluminum foil (10) is adhered to the lower portion of the joint of the third insulating layer (7) and the fourth insulating layer (8) through a conductive adhesive layer (9), the aluminum foil conducting layer (10) is in first hollowed-out area (71) department with reinforcement aluminum foil (5) electricity is connected, and second hollowed-out area (81) department with aluminum foil shielding layer (4) electricity is connected, the periphery of third insulating layer (7) with the periphery of reinforcement aluminum foil (5) is parallel and level mutually.

2. The FFC bus bar of claim 1, wherein the first and second insulating layers (1, 3) comprise an insulating film layer (12) and a PE film layer (13).

3. FFC flat cable according to claim 1 or 2, characterized in that the adhesive layer (11) is a hot melt adhesive layer.

4. The FFC flat cable according to claim 1 or 2, wherein a third hollowed-out area (6) is formed on the third insulating layer (7), and a portion of the reinforcing aluminum foil (5) corresponding to the third hollowed-out area (6) is exposed to the outside to form a ground area.