CN213026723U

CN213026723U - High-stability fast-assembly FFC (flexible flat cable)

Info

Publication number: CN213026723U
Application number: CN202022085503.7U
Authority: CN
Inventors: 屈仁兴
Original assignee: Shenzhen Huinengxing Electronic Technology Co ltd
Current assignee: Shenzhen Huinengxing Electronic Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-04-20
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a high-stability fast-assembly FFC (flexible flat cable) which comprises a flat cable, wherein the end part of the flat cable is provided with a plug, the plug is connected with a connecting seat, the plug comprises an insulating seat and a rectangular body terminal arranged at the end part of the insulating seat, and the connecting seat is provided with a rectangular body slot for splicing the rectangular body terminal; the end part of the insulating seat is also provided with an annular sealing table, and the connecting seat is provided with an annular sealing groove which is adaptive to and clamped with the annular sealing table; a plurality of elastic positioning pieces are evenly distributed on the left side face and the right side face of the rectangular body terminal along the length direction of the rectangular body terminal respectively, positioning holes matched with the elastic positioning pieces one by one are formed in the inner side face of the rectangular body slot respectively, a plurality of fool-proof bosses are arranged on the upper side face of the rectangular body terminal along the length direction of the rectangular body terminal, and fool-proof sliding grooves matched with the fool-proof bosses are formed in the inner side face. The utility model discloses technical scheme improves the grafting structure of FFC winding displacement, improves the protection to the FFC winding displacement.

Description

High-stability fast-assembly FFC (flexible flat cable)

Technical Field

The utility model relates to a FFC winding displacement technical field, in particular to fast-assembling formula FFC winding displacement of high stability.

Background

The FFC Flexible Flat Cable (FFC) is a novel data cable formed by laminating a PET insulating material and an extremely thin tinned flat copper wire through a high-tech automatic equipment production line, and has the advantages of softness, random bending and folding, thin thickness, small volume, simple connection, convenience in disassembly, easiness in solving electromagnetic shielding (EMI) and the like. The FFC is used for connection between the mobile component and the main board and data transmission between the main board and the main board. The existing FFC connection is usually connected with the connecting seat on the mainboard through the plug at the end part, however, the connection stability between the plug and the connecting seat of the existing FFC flat cable is poor, the sealing performance of the plugging part is poor, no protective structure exists, external water and dust easily enter the inside, the FFC flat cable is damaged, the plugging part is not provided with a fool-proof structure, in the assembling process, the FFC flat cable is easily plugged reversely due to misoperation, the circuit is damaged, and the production efficiency is influenced.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high stability ready-package FFC winding displacement aims at improving the grafting structure of FFC winding displacement, improves the protection to the FFC winding displacement.

In order to achieve the above object, the fast-assembly FFC cable with high stability provided by the present invention comprises a cable, wherein a plug is arranged at the end of the cable, the plug is connected with a connecting seat, and the plug and the connecting seat are respectively provided with a connecting contact which is butted with each other, the plug comprises an insulating seat and a rectangular body terminal arranged at the end of the insulating seat, and the connecting seat is provided with a rectangular body slot for plugging the rectangular body terminal; the end part of the insulating seat is also provided with an annular sealing table which surrounds the outer side of the rectangular body terminal and is coaxially arranged with the rectangular body terminal, the length of the annular sealing table is smaller than that of the rectangular body terminal, and the connecting seat is provided with an annular sealing groove which is adaptive to and clamped with the annular sealing table;

the utility model discloses a rectangular body terminal, including cuboid terminal, elastic positioning piece, cuboid slot medial surface, cuboid terminal left and right sides face along its length direction a plurality of elastic positioning piece of evenly having arranged respectively, cuboid slot medial surface be equipped with the locating hole of elastic positioning piece difference one-to-one adaptation, the side is equipped with a plurality of foolproof bosss along its length direction on the cuboid terminal, cuboid slot medial surface be equipped with the foolproof spout of foolproof boss adaptation.

Preferably, the annular sealing table and the insulating seat are arranged into an integral structure.

Preferably, the elastic positioning pieces on the left side surface and the right side surface of the rectangular terminal are symmetrically arranged, the number of the elastic positioning pieces on any side surface is three, and the elastic positioning pieces are arranged to be spring plungers.

Preferably, the cross sections of the fool-proof boss and the fool-proof sliding groove are both in semicircular structures.

Preferably, the number of the fool-proof bosses is two, and the fool-proof bosses are uniformly arranged along the width direction of the upper side face of the rectangular terminal.

Compared with the prior art, the beneficial effects of the utility model are that: the grafting structure of current FFC winding displacement has been improved, the plug of FFC winding displacement sets up to insulator bracket and cuboid terminal integrated into one piece's structure, improve the safety in utilization, the joint structure through elastic positioning spare and locating hole between cuboid terminal and the cuboid slot, the activity is pegged graft, make things convenient for pulling out of plug to insert, and cuboid terminal wherein a side is equipped with prevents slow-witted boss and the interior prevent slow-witted spout of cuboid slot and corresponds, make the direction of insertion of plug fixed, prevent to cause the plug to insert anti-reversely because the maloperation, lead to FFC winding displacement even, production efficiency and yields have been improved. The cuboid terminal outside still encircles one with insulating seat integrated into one piece's annular seal platform, when the cuboid terminal inserted the cuboid slot, annular seal platform and the annular seal groove joint on the connecting seat, with the effectual sealed encirclement of cuboid terminal and cuboid slot, prevent that dust and water from getting into inside, play further guard action to the FFC winding displacement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of the FFC cable and connecting seat plugging structure of the present invention;

fig. 2 is a schematic view of the FFC cable structure of the present invention;

FIG. 3 is a schematic view of the connecting seat structure of the present invention;

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Referring to fig. 1 to 3, the high-stability fast-assembly FFC flat cable provided in this embodiment includes a flat cable 1, a plug 2 is disposed at an end of the flat cable 1, the plug 2 is connected to a connecting seat 3, and the plug 2 and the connecting seat 3 are respectively provided with connecting contacts that are butted with each other, the plug 2 includes an insulating seat 21 and a rectangular terminal 22 disposed at an end of the insulating seat 21, and the connecting seat 3 is provided with a rectangular slot 31 for inserting the rectangular terminal 22; an annular sealing table 25 is further arranged at the end of the insulating base 21, the annular sealing table 25 surrounds the outer side of the rectangular body terminal 22, the annular sealing table 25 and the rectangular body terminal 22 are coaxially arranged, the length of the annular sealing table 25 is smaller than that of the rectangular body terminal 22, and an annular sealing groove 32 which is adaptive to and clamped with the annular sealing table 25 is formed in the connecting base 3;

a plurality of elastic positioning elements 23 have evenly been arranged respectively along its length direction in the cuboid terminal 22 left and right sides face, cuboid slot 31 medial surface be equipped with the locating hole 33 of elastic positioning element 23 difference one-to-one adaptation, the side is equipped with a plurality of fool-proof bosss 24 along its length direction on the cuboid terminal 22, cuboid slot 31 medial surface be equipped with fool-proof spout 34 of fool-proof boss 24 adaptation.

It should be noted that the present application is an improvement of the plugging structure of the FFC bus, and the circuit structure and the line arrangement of the FFC bus are conventional technical means in the art, and are not an improvement point of the present application, it is not repeated herein, the present embodiment improves the plugging structure of the conventional FFC flat cable, the plug 2 of the FFC flat cable is configured as a structure in which the insulating base 21 and the rectangular body terminal 22 are integrally formed, so as to improve the safety of use, the rectangular body terminal 22 and the rectangular body slot 31 are movably plugged through the clamping structure of the elastic positioning element 23 and the positioning hole 33, so as to facilitate the plugging and unplugging of the plug 2, and one side of the rectangular body terminal 22 is provided with a fool-proof boss 24 corresponding to the fool-proof sliding groove 34 in the rectangular body slot 31, so that the insertion direction of the plug 2 is fixed, the situation that the plug 2 is reversely inserted due to misoperation and even FFC flat cables are scrapped is prevented, and the production efficiency and the yield are improved. An annular sealing platform 25 is further encircled on the outer side of the rectangular body terminal 22, when the rectangular body terminal 22 is inserted into the rectangular body slot 31, the annular sealing platform 25 is clamped with the annular sealing groove 32 on the connecting seat 3, the rectangular body terminal 22 and the rectangular body slot 31 are effectively sealed and surrounded, dust and water are prevented from entering the rectangular body terminal 22 and the rectangular body slot 31, and the FFC flat cable is further protected.

Further, the annular sealing platform 25 and the insulating base 21 are arranged into an integral structure, so that the stability and tightness of the overall structure of the plug 2 are ensured, the production and the processing are convenient, the production efficiency is improved, and the production cost is reduced.

Further, the mutual symmetry of elastic positioning element 23 of cuboid terminal 22 left and right sides face sets up, and the elastic positioning element 23 quantity of any side sets up to three, guarantees the force stability between cuboid terminal 22 and the cuboid slot 31 to guarantee the stability of pegging graft between plug 2 and the connecting seat 3, just elastic positioning element 23 sets up to spring plunger, and spring plunger is the standard component commonly used among the prior art, and spring plunger possesses elastic expansion's tip and is hemispherical or globular, can reduce the frictional force of elastic positioning element 23 and cuboid slot 31 medial surface, makes things convenient for inserting of plug 2.

Further, prevent slow-witted boss 24 with prevent that slow-witted spout 34's cross section all is semicircular structure setting, reduces and prevents slow-witted boss 24 and prevent the frictional force between the slow-witted spout 34, conveniently prevents slow-witted boss 24 and prevent the slip grafting between the slow-witted spout 34, prevent that slow-witted boss 24's quantity sets up to two, and two prevent slow-witted boss 24 follows the width direction of side evenly arranges on cuboid terminal 22, guarantees the force stability between cuboid terminal 22 and the cuboid slot 31.

Specifically, during plugging, the fool-proof boss 24 on the side surface of the rectangular body terminal 22 is aligned with the end of the fool-proof sliding groove 34 on the inner side surface of the rectangular body slot 31 and inserted (if a misoperation occurs, when the plug 2 is inserted reversely, the rectangular body terminal 22 cannot be inserted into the rectangular body slot 31 to play the fool-proof role), it should be noted that the outer side of the rectangular body terminal 22 is matched with the inner side of the rectangular body slot 31 in size, and the elastic positioning piece 23 is in a conventional state with an elastically stretchable end portion and extends out of the surface of the rectangular body terminal 22, therefore, during the insertion process, the elastic positioning piece 23 is squeezed by the inner side surface of the rectangular body slot 31 and the opening of the positioning hole 33 and is compressed to be flush with the surface of the rectangular body terminal 22, so as to facilitate the insertion of the rectangular body terminal 22 into the rectangular body slot 31, after the rectangular body terminal 22 is inserted in place, the elastic, at this time, the elastic positioning member 23 loses the external extrusion, extends into the positioning hole 33 under the action of the self elastic restoring force, and is clamped with the positioning hole 33 one by one, so that the rectangular terminal 22 is stably clamped in the rectangular slot 31.

Further, after the rectangular terminal 22 is inserted in place, the annular sealing platform 25 is correspondingly inserted into the annular sealing groove 32 to effectively seal and surround the rectangular terminal 22 and the rectangular slot 31, so that dust and water are prevented from entering the rectangular terminal and the rectangular slot 31, and the FFC flat cable is further protected.

When the plug 2 needs to be pulled out, the plug 2 only needs to be pulled out outwards by force, the pulling-out force is larger than the clamping force between the elastic positioning piece 23 and the positioning hole 33, the plug 2 can be pulled out, and the operation is convenient.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A high-stability fast-assembly FFC (flexible flat cable) comprises a flat cable, wherein a plug is arranged at the end part of the flat cable, the plug is connected with a connecting seat, and the plug and the connecting seat are respectively provided with connecting contacts which are mutually butted; the end part of the insulating seat is also provided with an annular sealing table which surrounds the outer side of the rectangular body terminal and is coaxially arranged with the rectangular body terminal, the length of the annular sealing table is smaller than that of the rectangular body terminal, and the connecting seat is provided with an annular sealing groove which is adaptive to and clamped with the annular sealing table;

2. The FFC flex cable of claim 1, wherein the annular sealing land is integrally formed with the insulator base.

3. The FFC flat cable with high stability and ready for assembly according to claim 1, wherein the elastic positioning pieces on the left and right side surfaces of the rectangular terminal are symmetrically arranged, the number of the elastic positioning pieces on any side surface is three, and the elastic positioning pieces are spring plungers.

4. The high-stability fast-assembling FFC flat cable according to claim 1, wherein the cross-sections of the fool-proof boss and the fool-proof sliding groove are both in a semicircular structure.

5. The high-stability fast-assembling FFC flat cable according to claim 4, wherein the number of the fool-proof bosses is two, and the two fool-proof bosses are uniformly arranged along the width direction of the upper side surface of the rectangular terminal.