CN109994894B

CN109994894B - Electrical connector assembly

Info

Publication number: CN109994894B
Application number: CN201711473612.2A
Authority: CN
Inventors: 吴小祥; 钟伟; 朱建矿
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2021-12-24
Anticipated expiration: 2037-12-29
Also published as: TW201931687A; CN109994894A

Abstract

The utility model provides an electric connector assembly, it includes electric connector and the cable subassembly of being connected with the electric connector electricity, electric connector includes insulator, be fixed in insulator's a plurality of conductive terminal and be fixed in insulator's shielding piece, insulator is equipped with the butt joint chamber that runs through insulator forward, conductive terminal is equipped with the contact site that extends forward and go into the butt joint chamber and the connecting portion that backward extension surpasss insulator, cable subassembly includes the ground connection piece of cable and fixed cable, the cable includes from the exposed conductor in preceding back, the internal insulation layer, ground plane and outer insulation layer, the conductor is connected in connecting portion, the ground connection piece includes the main part that contacts with the ground connection piece of cable and the pin that extends forward or backward from the horizontal both ends of main part, pin contact shielding piece. According to the invention, the pins extending forwards or backwards of the grounding part are contacted with the shielding sheet, so that the shielding effect is improved, meanwhile, the welding between the pins and the shielding sheet is facilitated, and the pins and the shielding sheet are stably contacted.

Description

Electrical connector assembly

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector assembly, and more particularly, to an electrical connector assembly with improved shielding effect and easy soldering.

[ background of the invention ]

Chinese patent No. CN106410517 discloses an electrical connector assembly, which includes an insulating body, a conductive terminal disposed in the insulating body, two grounding pieces fixed on the insulating body, and a shielding member disposed between the two grounding pieces, wherein the grounding piece includes a longitudinal main body portion and a welding portion bent and extended from two sides of the main body portion toward the shielding member, the welding portion is welded to a horizontal shielding portion of the shielding member by soldering or spot welding, and the welding portion is further provided with welding pieces bent and extended at two sides of the horizontal shielding portion, thereby increasing the welding difficulty of the welding portion and the horizontal shielding portion of the shielding member.

Based on the prior art, there is a need for an improvement of the existing electrical connector.

[ summary of the invention ]

The technical problem to be solved by the invention is as follows: an electrical connector assembly is provided that facilitates soldering while enhancing shielding effectiveness.

In order to solve the technical problems, the technical scheme of the invention is as follows:

an electrical connector assembly comprises an electrical connector and a cable assembly electrically connected with the electrical connector, the electric connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body and a shielding sheet fixed on the insulating body, the insulating body is provided with a butt joint cavity which penetrates through the insulating body forwards, the conductive terminal is provided with a contact part which extends into the butt joint cavity forwards and a connecting part which extends beyond the insulating body backwards, the cable assembly comprises a cable and a grounding piece for fixing the cable, wherein the cable comprises a conductor, an inner insulating layer, a grounding layer and an outer insulating layer which are exposed from front to back, the conductor connect in connecting portion, the ground connection piece include with the main part of the ground contact layer of cable reaches certainly the pin of horizontal both ends forward or backward extension of main part, the pin contact the shielding piece.

Compared with the prior art, this electric connector subassembly passes through the pin and the shielding piece contact of the forward or backward extension of ground connection piece to make things convenient for the welding between pin and the shielding piece when promoting shielding effect, make pin and shielding piece contact stably.

[ description of the drawings ]

Fig. 1 is a perspective view of an electrical connector assembly of the present invention.

Fig. 2 is a perspective view of the electrical connector assembly of fig. 1 from another angle.

Fig. 3 is an exploded view of the electrical connector assembly shown in fig. 1.

Fig. 4 is a further exploded view of the electrical connector assembly of fig. 3 with the retention block removed.

Fig. 5 is an exploded view from another angle of fig. 4.

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

Fig. 7 is another exploded angular view of fig. 6.

Fig. 8 is a rear view of the electrical connector and grounding member of the electrical connector assembly of fig. 1 after assembly.

Fig. 9 is a cross-sectional view of the electrical connector assembly of fig. 1 taken along the dashed line a-a.

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

[ detailed description ] embodiments

Referring to fig. 1 and 2, an electrical connector assembly 1000 according to the present invention includes an electrical connector 100 and a cable assembly 200 electrically connected to the electrical connector 100.

Referring to fig. 6 and 7, the electrical connector 100 includes an insulating housing 1, a plurality of conductive terminals 2 fixed to the insulating housing 1, a shielding plate 3 fixed to the insulating housing 1, and a metal shell 4 covering the insulating housing 1. The insulating body 1 is provided with a butt joint cavity 101 which forwardly penetrates through the front end of the insulating body 1. The insulating body comprises a top wall 11 and a bottom wall 12 which are respectively positioned at the upper side and the lower side of the butt joint cavity 101, two side walls 13 which are connected with the top wall 11 and the bottom wall 12, and a rear wall 14 which is positioned at the rear end of the insulating body 1 and is connected between the top wall 11 and the bottom wall 12. The top wall 11 and the bottom wall 12 are respectively provided with a plurality of terminal slots (not labeled), and the plurality of conductive terminals 2 are divided into an upper row and a lower row so as to be respectively fixed in the terminal slots (not labeled) of the top wall 11 and the bottom wall 12.

The conductive terminals 2 are respectively provided with a contact portion 21 extending forward into the mating cavity 101, a holding portion 22 held on the insulating body 1, and a connecting portion 23 extending backward from the holding portion 22 to the insulating body 1. The connecting portion 23 is formed by bending the holding portion 22 toward the rear wall 14 and extending the same rearward, and the connecting portions 23 of the two rows of conductive terminals 2 are respectively attached to the upper and lower sides of the rear wall 14. The rear wall 14 is further provided with a plurality of bumps 141 protruding from the upper and lower sides thereof, and the connecting portions 23 of the conductive terminals 2 are respectively located between two adjacent bumps 141.

The shielding plate 3 is inserted into the insulating body 1 from the back to the front. The shielding plate 3 includes a plate portion 31 fixed to the rear wall 14, first extending portions 32 extending from both lateral sides of the plate portion 31 to the rear wall 14, and second extending portions 33 also extending from both lateral sides of the plate portion 31 to the rear wall 14 and located behind the first extending portions 32. As shown in fig. 9, the first extending portion 32 includes an abutting portion 321 extending from the plate portion 31 and then bending upward, and a first elastic arm 322 extending forward from one side of the abutting portion 321 into the docking cavity 101. The abutment 321 is a generally semicircular ring. The plate portion 31 is provided with two pairs of second resilient arms 311 extending from the front end thereof into the docking chamber 101. The first and second

elastic arms

322 and 311 are both in contact with a mating connector (not shown) inserted into the mating cavity 101. A buckling groove 312 is arranged between two adjacent second elastic arms 311, and the back wall 14 is provided with a buckling block 142 clamped with the buckling groove 312. The second extending portion 33 is formed by bending downward from both lateral sides of the plate portion 31 and then horizontally extending toward both sides.

The metal housing 4 is formed by bending a metal plate, and includes two horizontal portions 41 attached to the upper and lower sides of the insulating body 1, and two vertical portions 42 connecting the two horizontal portions 41. The front ends of the horizontal part 41 and the vertical part 42 of the metal shell 4 are respectively provided with a plurality of convex ribs 43, the front ends of the top wall 11, the bottom wall 12 and the side wall 13 of the insulating body 1 are provided with convex ribs 15 protruding out of the surface of the insulating body, and the convex ribs 15 are provided with a plurality of notches 151 buckled with the convex ribs 43. The rear ends of the vertical portions 42 of the metal shell 4 are respectively provided with a piercing spring 421 capable of moving transversely, and the piercing spring 421 contacts with the rear end of the first spring arm 322 and is fixed by soldering or electric welding (refer to fig. 2 and 9).

Referring to fig. 2 to 5, the cable assembly 200 includes a plurality of cables 5 (not all shown), a ground member 6 and a ground strip 7 fixing the cables 5, and a fixing block 8 fixing the cables 5, the ground member 6 and the ground strip 7. The cable 5 includes a conductor 51, an inner insulating layer 52, a ground layer 53, and an outer insulating layer 54, which are exposed in this order from front to back. The conductor 51 is electrically connected to the connecting portion 23 of the conductive terminal 2 exposed on the surface of the rear wall 14.

The grounding piece 6 is fixed on one side of the cable 5 close to the shielding sheet 3. The ground member 6 includes a main body portion 61 contacting the ground layer 52 of the cable 5 and a pin 62 extending forward or backward from the main body portion 61. The pin 62 of the grounding member contacts the shield plate 3 and is fixed by soldering or spot welding. The main body 61 and the pins 62 are located on the same horizontal plane. The plurality of cables 5 are divided into an upper row of cables and a lower row of cables which are respectively connected with the upper row of conductive terminals 2 and the lower row of conductive terminals 2. The ground member 6 includes a first ground member 6a contacting the ground layer 52 of the upper cable 5 and a second ground member 6b contacting the ground layer 52 of the lower cable 5. The leg 62 of the first grounding member 6a extends forward from the main body 61 of the first grounding member 6a, and the leg 62 of the second grounding member 6b extends backward from the main body 61 of the second grounding member 6 b. The leg 62 of the first ground piece 6a extends forward so as to be in contact with the abutting portion 321 of the first extending portion 32 and can be fixed by spot welding. The leg of the second ground member 6b extends rearward so as to be in contact with the second extension 33 and may be fixed by spot welding (see fig. 3 and 8).

The grounding strip 7 is fixed on the other side of the cable 5 away from the shielding plate 3 and is opposite to the grounding piece 6. The ground strip 7 is formed of an elongated metal strip, which is in contact with the ground layer 52 of the cable 5 and can be fixed by spot welding. The fixing block 8 is formed by pouring glue into the front end of the cable 5, the grounding piece 6 and the outer side of the grounding strip 7 and solidifying the glue, so that the front end of the cable 5, the grounding piece 6 and the grounding strip 7 are covered and fixed together.

Compared with the prior art, the shielding plate 3 of the electric connector assembly 1000 is provided with the first and second extending portions 32 and 33 in a staggered manner from front to back, and the first and second extending portions 32 and 33 are bent upwards and downwards respectively, the pin 62 of the first grounding member 6a extends forwards horizontally to be in contact with the first extending portion 32, and the pin 62 of the second grounding member 6b extends backwards horizontally to be in contact with the second extending portion 33, so that when the pins 62 of the first and second grounding members are welded with the first and second extending portions 32 and 33 respectively, the efficiency and effect of laser spot welding or manual welding are better; in addition, the metal shell 4 is provided with the puncture spring sheet 421 to interfere with the first extending portion 32, so that the metal shell 4, the shielding sheet 3 and the grounding piece 6 are all grounded while the metal shell 4 is assembled to play a guiding role.

The above description is only a part of the embodiments of the present invention, and not all embodiments, and any equivalent variations of the technical solutions of the present invention, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present invention.

Claims

1. An electric connector assembly comprises an electric connector and a cable assembly electrically connected with the electric connector, wherein the electric connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body and a shielding sheet fixed on the insulating body, the insulating body is provided with a butt joint cavity penetrating through the insulating body forwards, the conductive terminals are provided with contact parts extending into the butt joint cavity forwards and connecting parts extending beyond the insulating body backwards, the cable assembly comprises a cable and a grounding part fixing the cable, the cable comprises a conductor, an inner insulating layer, a grounding layer and an outer insulating layer exposed from front to back, and the conductor is connected to the connecting parts, and the electric connector assembly is characterized in that: the grounding part comprises a main body part contacting with the grounding layer of the cable and pins extending forwards or backwards from the two transverse ends of the main body part, the pins contact with the shielding sheet, the conductive terminals are divided into an upper row and a lower row, the cable is divided into the upper row and the lower row so as to be respectively connected with the upper row and the lower row of conductive terminals, the grounding part comprises a first grounding part contacting with the upper row of cables and a second grounding part contacting with the lower row of cables, the pins of the first grounding part extend forwards from the main body part of the first grounding part, and the pins of the second grounding part extend backwards from the main body part of the second grounding part.

2. The electrical connector assembly of claim 1, wherein: the insulating body comprises a top wall and a bottom wall which are respectively positioned at the upper side and the lower side of the butt joint cavity, two side walls for connecting the top wall and the bottom wall and a rear wall for fixing the shielding sheet, and the upper row and the lower row of the conductive terminals are respectively fixed on the top wall and the bottom wall.

3. The electrical connector assembly of claim 2, wherein: the shielding sheet comprises a plate part fixedly held on the rear wall, first extending parts extending out of the rear wall from two transverse sides of the plate part, and second extending parts located behind the first extending parts, pins of the first grounding part are in contact with the first extending parts, and pins of the second grounding part are in contact with the second extending parts.

4. The electrical connector assembly of claim 3, wherein: the first extending portion comprises an abutting portion extending from the plate portion and then bending upwards and a first elastic arm extending forwards from one side of the abutting portion to enter the abutting cavity, and the pin of the first grounding piece is in contact with the abutting portion.

5. The electrical connector assembly of claim 3, wherein: the second extending part is bent downwards from two sides of the plate part and then horizontally extends towards the two sides.

6. The electrical connector assembly of claim 1, wherein: the main body part of the grounding piece and the pin are positioned on the same horizontal plane.

7. The electrical connector assembly of claim 1, wherein: the cable assembly further comprises a fixing block and a grounding strip which is in contact with the other side of the grounding layer of the cable and is arranged opposite to the grounding piece, and the fixing block is wrapped at the front end of the cable to fix the cable, the grounding piece and the grounding strip together.

8. The electrical connector assembly of claim 7, wherein: the fixing block is formed by pouring glue into the front end of the cable, the grounding piece and the outer side of the grounding strip and solidifying the glue.

9. The electrical connector assembly of claim 1, wherein: the electric connector further comprises a metal shell coated on the outer side of the insulating body, the metal shell comprises two horizontal parts respectively coated on the upper side and the lower side of the insulating body and two vertical parts connected with the two horizontal parts, the rear ends of the vertical parts are respectively provided with elastic pieces capable of transversely displacing, and the two transverse ends of the shielding pieces are respectively contacted with the elastic pieces.

10. The electrical connector assembly of claim 9, wherein: the shielding piece comprises a plate portion fixedly held on the insulating body, abutting portions extending from two transverse sides of the plate portion and a first elastic arm extending forwards from one side of the abutting portions into the abutting cavity, the rear end of the first elastic arm contacts the elastic piece, and a pin of the grounding piece contacts the abutting portions.