CN214312691U

CN214312691U - FFC with glue left at front end

Info

Publication number: CN214312691U
Application number: CN202120349383.9U
Authority: CN
Inventors: 刘文红
Original assignee: Shenzhen Wenxin Electronic Co ltd
Current assignee: Shenzhen Wenxin Electronic Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-09-28
Anticipated expiration: 2031-02-07

Abstract

The utility model belongs to the technical field of connecting cables, in particular to an FFC with glue left at the front end, which comprises two stacked conductor layers, two insulation layers which are respectively arranged on the surfaces of the two conductor layers and are used for coating the conductor layers, wherein the upper surfaces of the two end parts of one conductor layer are exposed; each layer of conductor layer comprises a plurality of conductors which are parallel to each other, the upper surfaces of the two ends of one layer of conductor layer are respectively provided with an adhesive tape connected with the plurality of conductors, at least two ends of one conductor are respectively provided with a cut-off notch, and the two cut-off notches are respectively positioned at the combination positions of the two ends of the conductor and the two adhesive tapes. Compared with the FFC in the prior art, the two ends of the FFC are provided with the fixing rubber strips to prevent the conductor from tilting; and a cut-off notch is arranged at the joint of the conductor and the rubber strip, so that the two ends of the conductor can be conveniently folded reversely according to requirements.

Description

FFC with glue left at front end

Technical Field

The utility model relates to a connecting cable technical field specifically indicates a set up two conductive layers and front end and stay gluey FFC.

Background

FFCs, i.e., flexible flat cables, are commonly used in various electronic products, including automotive electronics. At present, the FFC of partial products comprises double conductor layers and two insulating layers which are respectively arranged on two surfaces of the conductor layers and used for coating the conductor layers, wherein the insulating layers are made of plastics, and two ends of the conductor layers are exposed so as to be used for circuit connection; in order to prevent the two ends of the conductor from tilting in the using process, adhesive tapes are required to be arranged on the upper surfaces of the two ends of the conductor layer for fixing the two ends of the conductor layer and preventing the conductor forming the conductor layer from tilting, but some conductors in one of the conductor layers of the FFC adopting the double conductor layer need to be reversely folded, and the conductors cannot be folded after being fixed by the adhesive tapes.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's weak point, the utility model aims to provide a FFC that glues is stayed to front end aims at solving prior art's FFC's both ends and adopts the problem that the fixed back conductor of adhesive tape can not turn over.

In order to achieve the above object, the utility model adopts the following technical scheme: a front-end adhesive-retained FFC comprises two stacked conductor layers, two insulation layers and a front-end adhesive-retained layer, wherein the two insulation layers are respectively arranged on the surfaces of the two conductor layers and used for coating the conductor layers, and the upper surfaces of two end parts of one conductor layer are exposed; each layer of conductor layer comprises a plurality of conductors which are parallel to each other, the upper surfaces of the two ends of one layer of conductor layer are respectively provided with an adhesive tape connected with the plurality of conductors, at least two ends of one conductor are respectively provided with a cut-off notch, and the two cut-off notches are respectively positioned at the combination positions of the two ends of the conductor and the two adhesive tapes. The exposed surfaces of two stacked conductor layers are respectively provided with an insulating layer, when in processing, two square notches are respectively punched at two ends of one insulating layer, two ends of the insulating layer are continuously reserved on the upper surfaces of two end parts of the conductor layers to form two adhesive tapes, then the two ends of one or more conductors are respectively punched with the joint of the two adhesive tapes to form cut-off notches, namely, the conductors are connected with the adhesive tapes to be cut off, then the vertical surfaces of the two ends of the insulating layer are respectively used as supporting surfaces to reversely fold the two ends of the conductors with the cut-off notches, and then the two ends of the conductors can be reversely folded according to requirements.

The beneficial technical effects are as follows: in the FFC adopting the structure, the upper surfaces of the two end parts of one conductor layer are exposed, namely the upper surfaces of the two end parts of the conductor layer are exposed outside, the tail ends of the upper surfaces are respectively provided with one adhesive tape, then the joint of the two ends of one or more conductors and the two adhesive tapes is punched to form the cut-off gap, and then the two ends of the conductor provided with the cut-off gap can be reversely folded as required; compared with the FFC in the prior art, the two ends of the FFC are provided with the fixing rubber strips to prevent the conductor from tilting; and a cut-off notch is arranged at the joint of the conductor and the rubber strip, so that the two ends of the conductor can be conveniently folded reversely according to requirements.

Drawings

Fig. 1 is a top view of an embodiment of the present invention;

fig. 2 is a front view of an embodiment of the present invention;

fig. 3 is a top view of the folded conductor according to the embodiment of the present invention;

fig. 4 is a front view of the folded conductor according to the embodiment of the present invention;

fig. 5 is a partially enlarged view of fig. 3.

Detailed Description

In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.

As shown in fig. 1-5, an embodiment of the present invention provides an FFC with glue left at the front end, including two stacked conductor layers 1, two insulation layers 2 respectively disposed on the surfaces of the two conductor layers for covering the conductor layers 1, wherein the upper surfaces of the two end portions of one conductor layer 1 are exposed, that is, the upper surfaces of the two end portions of the conductor layer 1 are not covered by the insulation layers 2; each layer of conductor layer 1 comprises a plurality of parallel conductors 101, the upper surfaces of two ends of one layer of conductor layer are respectively provided with an adhesive tape 3 connected with the plurality of conductors 101, at least two ends of one conductor 101 are respectively provided with a cut-off notch 102, and the two cut-off notches 102 are respectively positioned at the combination positions of the two ends of the conductor and the two adhesive tapes 3.

The number of conductors constituting the conductor layer 1 is determined according to the specification of the FFC, and is generally not less than two; according to the requirement, one or more conductors 101 of the conductor layer 1 need to be reversely folded and then connected with the electronic component, therefore, the number of the conductors needing to be cut at the joint of the two ends and the adhesive tape is also determined according to the connection requirement, and generally is not less than one.

The exposed surfaces of two stacked conductor layers 1 are respectively provided with one insulating layer 2, during processing, two square notches 201 are punched at two ends of one insulating layer 2, two ends of the insulating layer are continuously reserved on the upper surfaces of two end parts of the conductor layer 1 to form two rubber strips 3, then cutting cut-off notches 102 are punched at the joint of two ends of one or more conductors 101 and the two rubber strips 3 respectively, namely, the connection between the conductor 101 and the rubber strips 3 is cut off, then the two ends of the conductor 101 with the cut-off notches are reversely folded by taking vertical surfaces 202 at two ends of the insulating layer 2 as supporting surfaces respectively, and the two ends of the conductor can be reversely folded according to requirements.

In the above description, it should be noted that the terms "mounted," "connected," and the like are used in a broad sense, and for example, they may be fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components.

It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all embodiments, and that the appended drawings illustrate preferred embodiments of the present invention, but do not limit the scope of the invention. The present invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.

Claims

1. A front-end adhesive-retained FFC comprises two stacked conductor layers, two insulation layers and a front-end adhesive-retained layer, wherein the two insulation layers are respectively arranged on the surfaces of the two conductor layers and used for coating the conductor layers, and the upper surfaces of two end parts of one conductor layer are exposed; the conductor layer structure is characterized in that each layer of the conductor layer comprises a plurality of parallel conductors, the upper surfaces of two ends of one layer of the conductor layer are respectively provided with an adhesive tape connected with the plurality of conductors, at least two ends of one conductor are respectively provided with a cut-off notch, and the two cut-off notches are respectively positioned at the combination positions of the two ends of the conductor and the two adhesive tapes.