CN106356679B

CN106356679B - Cable assembly with improved cable retention

Info

Publication number: CN106356679B
Application number: CN201510440621.6A
Authority: CN
Inventors: 王宁超; 李勇岐; 郑焜元; 吴荣发
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd
Priority date: 2015-07-24
Filing date: 2015-07-24
Publication date: 2020-09-04
Anticipated expiration: 2035-07-24
Also published as: CN106356679A

Abstract

A cable connector assembly comprises an electric connector and a flexible cable electrically connected with the electric connector, wherein the electric connector comprises an insulating body and conductive terminals which are arranged in the insulating body and exposed at the rear end of the insulating body, the conductive terminals comprise a plurality of grounding terminals, the flexible cable comprises a plurality of leads electrically connected with the conductive terminals, one side surface of the flexible cable covers a sheet-shaped shielding layer, the flexible cable further comprises a sheet-shaped grounding pin electrically connected with the shielding layer, and the grounding pin is electrically connected with the grounding terminals to realize the grounding of the shielding layer. The surface layer of the flexible cable of the cable connector assembly is covered with the shielding layer, and the shielding layer extends out of the grounding pin to realize grounding through lapping with the grounding terminal, so that the shielding effect of the shielding layer is enhanced, the grounding effect is stable and reliable, the manufacturing process difficulty is reduced, and the cost is reduced.

Description

Cable assembly with improved cable retention

[ technical field ] A method for producing a semiconductor device

The present invention relates to a cable assembly, and more particularly, to a flexible cable assembly.

[ background of the invention ]

The flexible cable connector assembly is generally used for connecting circuit boards to transmit data, but the flexible cable is susceptible to electromagnetic wave interference, which makes the transmission signal unstable and causes data loss. At present, the method for solving the problem that the flexible cable is interfered by electromagnetic waves is various, the method is mainly used for wrapping the flexible cable with a metal shielding layer to achieve a shielding effect, and a metal coating is grounded for enhancing the shielding effect.

Therefore, there is a need to provide a cable connector assembly with an improved grounding of the metal shielding layer to overcome the above-mentioned drawbacks.

[ summary of the invention ]

The invention aims to provide a cable connector assembly with a shielding function.

In order to achieve the purpose, the invention adopts the following technical scheme: a cable connector assembly comprises an electric connector and a flexible cable electrically connected with the electric connector, wherein the electric connector comprises an insulating body and conductive terminals which are arranged in the insulating body and exposed at the rear end of the insulating body, the conductive terminals comprise a plurality of grounding terminals, the flexible cable comprises a plurality of leads electrically connected with the conductive terminals, one side surface of the flexible cable covers a sheet-shaped shielding layer, the flexible cable further comprises a sheet-shaped grounding pin electrically connected with the shielding layer, and the grounding pin is electrically connected with the grounding terminals to realize the grounding of the shielding layer.

Compared with the prior art, the invention has the following beneficial effects: the surface layer of the flexible cable of the cable connector assembly is covered with the shielding layer, and the shielding layer extends out of the grounding pin to realize grounding through lapping with the grounding terminal, so that the shielding effect of the shielding layer is enhanced, the grounding effect is stable and reliable, the manufacturing process difficulty is reduced, and the cost is reduced.

[ description of the drawings ]

Fig. 1 is an assembled perspective view of the cable connector assembly of the present invention.

Fig. 2 is a perspective assembly view from another perspective of fig. 1.

Fig. 3 is a partially exploded perspective view of fig. 1.

Fig. 4 is a further exploded perspective view of fig. 3.

Fig. 5 is a further exploded perspective view of fig. 4.

Fig. 6 is an exploded perspective view of the electrical connector of fig. 1.

Fig. 7 is an exploded perspective view from another perspective of fig. 6.

[ detailed description ] embodiments

Referring to fig. 1 to fig. 2, the cable connector assembly 100 of the present invention includes an electrical connector 10 and a flexible cable 20 electrically connected to the electrical connector 10, wherein the flexible cable 20 includes a plurality of conductive wires 201.

Referring to fig. 6 to 7, the electrical connector 10 includes an insulating housing 1, conductive terminals 2 accommodated in the insulating housing 1, a first type connecting piece 3 accommodated in the insulating housing 1 and electrically connected to the conductive terminals 2, a second type connecting piece 4 electrically connected to the conductive terminals 2, and a cover 5 for shielding a rear end of the insulating housing 1.

With reference to fig. 4 to fig. 7, the insulating housing 1 includes a base 101 and a plug portion 102 extending forward from a front end surface of the base 101. A first receiving cavity 11 and a second receiving cavity 12 with L-shaped openings are arranged at the front end of the inserting part 102. The top ends of the first accommodating cavity 11 and the second accommodating cavity 12 are respectively provided with a plurality of terminal slots 13 at intervals, the terminal slots 13 penetrate through the front end and the rear end of the insulating body 1, and each terminal slot 13 comprises 7 first terminal slots 131 arranged at the top end of the first accommodating cavity 11 and 8 second terminal slots 132 arranged at the top end of the second accommodating cavity 12. The conductive terminals 2 include 7 first terminals respectively accommodated in the first terminal grooves 131, and 8 second terminals accommodated in the second terminal grooves 132. The 7 first terminals are signal terminals S1-S7 from right to left respectively, and the 8 second terminals are power terminals P4-P11 from right to left respectively. The signal terminals S1, S4, S7 are ground terminals, respectively. The signal terminals S2, S3 are a pair of differential signal terminals, and the signal terminals S5, S6 are another pair of differential signal terminals. The power supply terminals P4, P5, P6 and P10 are all ground terminals, the power supply terminals P7, P8 and P9 are 5V power supply terminals, and the power supply terminal P11 is an auxiliary terminal. The conductive terminals 2 each include a contact portion 21 having a front end protruding into the first receiving cavity 11 or the second receiving cavity 12, a connecting portion 22 extending backward from the contact portion 21 and received in the terminal groove 13, and a soldering portion 23 extending vertically from a rear end of the connecting portion 22 and exposed to a rear end of the insulating body 1. The rear side of the base 101 is provided with a position-locking groove 14 corresponding to the position for accommodating the tail part of the welding part 23 of the conductive terminal 2. The first-type connecting piece 3 comprises a first connecting piece 31 for connecting the signal terminals S1, S4 and S7 and a second connecting piece 32 for connecting the power supply terminals P4 and P10. The second connecting piece 4 comprises a grounding piece 41 connected with the signal terminal S7 and the power supply terminals P4, P5 and P6 and a third connecting piece 42 connected with the power supply terminals P7, P8 and P9, and the grounding piece 41 and the third connecting piece 42 are integrally formed with the corresponding conductive terminals 2. The first connecting piece 31, the second connecting piece 32, the grounding piece 41 and the third connecting piece 42 are respectively accommodated and fixed at corresponding positions of the base 101.

Referring to fig. 3, the wires 201 of the flexible cable 20 are respectively and sequentially connected to the signal terminals S1-S7. One side of the flexible cable 20 is covered with a sheet-shaped shielding layer 202 for shielding electromagnetic interference, and the shielding layer 202 is made of metal material, such as copper foil, aluminum foil, and the like. The side of the shielding layer 202 is parallel to the grounding plate 41 is provided with a sheet-shaped grounding pin 203, the grounding pin 203 can be integrally formed with the shielding layer 202, and can also be electrically connected with the shielding layer 202 by sticking metal sheets made of different materials of the shielding layer 202. The grounding pin 203 and the grounding plate 41 are closely overlapped at opposite surfaces to realize electrical connection. In order to ensure the contact stability, the grounding pin 203 and the grounding plate 41 may also be electrically connected by welding.

Referring to fig. 1, 6 and 7, the cover 5 includes a main body 51 having a generally rectangular block shape. The main body 51 extends vertically backward from the top edge to form a plurality of first fastening parts 52, and a fastening hole 521 is formed in the middle of each first fastening part 52. The main body 51 extends backwards and vertically from the bottom edge to form a plurality of second buckling parts 53, and the outer ends of the second buckling parts 53 form buckles 531. Positioning posts 54 are respectively provided on the left and right sides of the main body 51 so as to project rearward. A rectangular pressing block 55 is provided on the front side of the main body 52. Clamping ports 103 are formed in the top edge of the base 101 of the insulating body 1 at intervals, and a clamping block 1031 is convexly arranged in the middle of each clamping port 103. The bottom edge of the base 101 of the insulating body 1 is provided with clamping ports 104 at intervals, and each clamping port 104 is internally provided with a clamping groove 1041. The base 101 is provided with fastening holes 15 from both sides of the rear end. The conductive terminals 2 and the second type connecting pieces 4 are integrally formed, the conductive terminals 2, the first type connecting pieces 3, the second type connecting pieces 4 and the insulating body 1 are assembled, the conductive wires 201 of the flexible cable 20 and the corresponding conductive terminals 2 are welded, meanwhile, the grounding pins 203 and the grounding pieces 41 are electrically connected, the front side of the cover body 5 covers the rear end of the base 101, the clamping block 1031 penetrates through the clamping holes 521 corresponding to the first clamping parts 52, the clamping buckles 531 of the second clamping parts 53 are clamped in the corresponding clamping grooves 1041, the positioning columns 54 enter the corresponding clamping holes 15, the cover body 5 is clamped and covered on the rear end of the insulating body 1, and at the moment, the pressing blocks 55 of the cover body 5 press the grounding pins 203 to realize the tight electrical connection of the grounding pins 203 and the grounding pieces 41.

In another preferred embodiment, the grounding pin 203 and the grounding plate 41 can also be electrically connected by welding, and at this time, the pressing block 55 does not need to be protruded from the side surface of the cover 5 close to the insulating body 1, and the tight electrical connection between the grounding pin 203 and the grounding plate 41 can also be achieved.

The surface layer of the flexible cable 20 of the cable connector assembly 100 of the present invention covers the shielding layer 202, the shielding layer 202 extends out of the grounding pin 203 to achieve grounding by overlapping with the grounding plate 41, so as to enhance the shielding effect of the shielding layer 202, and the cover body 5 is provided with the pressing block 55 capable of tightly pressing the grounding pin 203 and the grounding plate 41, so that the electrical connection between the grounding pin 203 and the grounding plate 22 is more stable and reliable. The grounding pin 203 and the grounding plate 41 can be electrically connected stably and reliably in a welding manner, and at this time, the cover body 5 does not need to be provided with a press block, so that the difficulty of the manufacturing process is reduced, and the cost is reduced.

In summary, the above is only a preferred embodiment of the present invention, and should not be limited to the scope of the present invention, and all the simple equivalent changes and modifications made according to the claims and the content of the specification of the present invention should be covered by the scope of the present invention.

Claims

1. A cable connector assembly, it includes electric connector and flexible cable of this electric connector of electrical connection, the said electric connector includes the insulated body, dispose in the insulated body and expose the conductive terminal in the rear end of the insulated body, the said conductive terminal includes several ground connection terminals, the said flexible cable includes several electric conductors to connect every conductive terminal, a side of the said flexible cable covers the flaky shielding layer, characterized by that: the flexible cable further comprises a sheet-shaped grounding pin electrically connected with the shielding layer, the cable connector assembly further comprises a grounding sheet fixed at the rear end of the insulating body, the grounding sheet and the grounding terminal are integrally formed, and the grounding pin is electrically connected with the grounding terminal through the grounding sheet so as to realize grounding of the shielding layer.

2. The cable connector assembly of claim 1, wherein: the grounding pin is in close contact with the grounding sheet at the opposite contact surface.

3. The cable connector assembly of claim 1, wherein: the shielding layer of the flexible cable is made of metal.

4. The cable connector assembly of claim 1, wherein: the grounding pin is made of a weldable metal material, and the grounding pin is electrically connected with the shielding layer in a welding mode.

5. The cable connector assembly of claim 1, wherein: the grounding pin and the shielding layer are made of the same material.

6. The cable connector assembly of claim 2, wherein: the electric connector further comprises a cover body covering the rear end of the insulation body, a pressing block is convexly arranged on one side surface, close to the insulation body, of the cover body, and the grounding pin is tightly pressed on the grounding piece by the pressing block.

7. The cable connector assembly of claim 2, wherein: the grounding piece is parallel to the rear side face of the insulation body, the front end of the flexible cable is parallel to the rear side face of the insulation body and is welded with each conductive terminal, the shielding layer covers the plane where the flexible cable is located and the plane where the welding pins are located, the plane where the flexible cable is located and the plane where the welding pins are located are all parallel to the rear side face of the insulation body, and the grounding pins are parallel to the contact plane of the grounding piece.

8. The cable connector assembly of claim 2, wherein: the insulating body is provided with a containing cavity, the conductive terminal comprises a contact part protruding into the containing cavity, a welding part exposed at the rear end of the insulating body and a connecting part connected between the contact part and the welding part and contained in the insulating body, and the grounding sheet and each grounding terminal are integrated.

9. The cable connector assembly of claim 6, wherein: the lid is including the main part that is the rectangle generally, the briquetting sets up in the main part and is close to insulator side, and the parallel insulator's of this side trailing flank covers on it.

10. The cable connector assembly of claim 9, wherein: the outer edge of the main body part extends backwards and vertically to form a plurality of buckling parts, and the insulating body is provided with buckling openings corresponding to the buckling parts so as to be convenient for the buckling parts to be positioned and fixed.