CN209747832U

CN209747832U - High speed connector

Info

Publication number: CN209747832U
Application number: CN201920671273.7U
Authority: CN
Inventors: 郑海亮; 秦胜勋; 吴雄伟; 黄浩; 林国钦
Original assignee: Luxshare Precision Components Kunshan Co Ltd
Current assignee: Luxshare Precision Components Kunshan Co Ltd
Priority date: 2019-05-12
Filing date: 2019-05-12
Publication date: 2019-12-06
Anticipated expiration: 2029-05-12

Abstract

A high-speed connector comprises an insulating body, a conductive terminal, a metal shell and a cable extending backwards from the metal shell, wherein the conductive terminal is electrically connected with the cable, the high-speed connector further comprises conductive foam positioned in the metal shell, the conductive foam covers the outer side of the cable and is extruded between the metal shell and the cable, and the conductive foam fills a gap between the cable and the metal shell, so that electromagnetic interference entering from the rear of the high-speed connector is reduced, the EMI shielding function is increased, the high-speed transmission performance of the high-speed connector is improved, and the cable fixing function is also increased.

Description

High speed connector

Technical Field

The utility model relates to a high-speed connector especially relates to a high-speed connector with metal casing and cable.

Background

With the pace of life of people becoming faster and the increasing demand for faster data transmission, the high-speed signal transmission specifications of corresponding electronic devices are also being improved. The existing connector generally comprises an insulating body, a conductive terminal, a built-in circuit board, an insulating internal mold, a metal shell and a cable extending backwards out of the metal shell, wherein the conductive terminal is arranged on the insulating body and is provided with a contact part positioned at the front end and a welding part positioned at the rear end, the welding part is welded at the front end of the built-in circuit board, the front end of the cable is welded at the rear end of the built-in circuit board, the cable is electrically connected with the conductive terminal through the built-in circuit board, the insulating internal mold is coated and formed at the welding part of the built-in circuit board and the cable, the metal shell is coated at the outer sides of the insulating body, the built-in circuit board and the, however, a gap exists between the metal shell of the cable and the cable, the EMI shielding function of the connector is poor, electromagnetic interference easily enters the connector from the rear of the connector, and the high-speed transmission performance of the connector is affected.

Therefore, it is necessary to design a new connector to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed connector with improve EMI shielding function.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-speed connector comprises an insulating body, a conductive terminal contained in the insulating body, a metal shell covering the insulating body, and a cable extending backwards out of the metal shell, wherein the conductive terminal is electrically connected with the cable, the high-speed connector further comprises conductive foam positioned in the metal shell, the conductive foam covers the outer side of the cable, and is extruded between the metal shell and the cable.

As a further improved technical solution of the present invention, the metal shell includes a top wall and a bottom wall opposite to the top wall, and the conductive foam is attached to the top wall or/and the inner side surface of the bottom wall.

As the utility model discloses further modified technical scheme, the cable includes two rows of wires of parallel from top to bottom, the cotton two that set up to be rectangular bodily form of electrically conductive bubble, one of them electrically conductive bubble is cotton to be covered in one of them row the wire upper surface, another electrically conductive bubble is cotton to be covered in another row the wire lower surface.

As the utility model discloses further improved technical scheme still including being located two rows from top to bottom spacer in the metal between the conductive terminal, the conductive bubble cotton by extrude in the roof or/and the diapire with between the well spacer, the cable is compressed tightly well spacer with between the conductive bubble is cotton.

As a further improved technical scheme of the utility model, insulator is including the spliced eye that is located the front end, conductive terminal is located the spliced eye, the mesophragma piece is equipped with the contact arm that extends forward and a pair of hasp arm, the contact arm stretches into forward the spliced eye, the hasp arm is located the left and right sides of spliced eye, the hasp arm has and is located the hasp portion of spliced eye.

As a further improved technical scheme of the utility model, metal casing is including offering the first casing and the lower half casing that the back rejoins together after the branch, first casing includes the follow two lateral walls that both ends are buckled down and are extended about the roof, go up the lateral wall lower edge and be equipped with the last stationary blade that the lateral direction level extends, lower half casing includes the follow both ends are buckled up and are extended two lower lateral walls about the diapire, the lower stationary blade that the lateral direction level extends is equipped with on the lower lateral wall, well spacer includes the middle stationary blade of lateral direction extension, middle stationary blade is by the centre gripping last stationary blade with between the lower stationary blade.

As a further improved technical scheme of the utility model, still including arranging the magnet of insulator front end left and right sides, the magnet centre gripping is fixed in insulator with between the metal casing to backward support and lean on go up the stationary blade under the stationary blade or middle stationary blade.

As the utility model discloses further modified technical scheme, insulator includes top, bottom, both sides portion and is located the top bottom and two spliced eye between the lateral part, conductive terminal includes the fixed part, follows the contact site of fixed part extension forward and follow the weld part that the fixed part extends backward, the weld part is arranged on an insulating block, the insulating block assemble in insulator is last, the cable with the weld part welding is in the same place.

As a further improved technical scheme of the utility model, the electrically conductive bubble is cotton to be located insulating block rear.

As a further improved technical scheme of the utility model, still include metal grounding piece, the wire includes conductor, insulating layer, shielding layer and is located the insulating crust of wire outside, the conductor with conductive terminal connects, the insulating layer is located the conductor with between the shielding layer, grounding piece and each the wire the upper surface or the lower surface welding of shielding layer realizes same row the wire the shielding layer short circuit is in the same place.

Compared with the prior art, the utility model discloses high-speed connector is cotton including the electrically conductive bubble that is located the metal casing, electrically conductive bubble cotton cover in the cable outside, and extruded metal casing with between the cable, the cotton space of having filled cable and metal casing of electrically conductive bubble reduces the electromagnetic interference who gets into from high-speed connector rear, has both increased EMI shielded's function, improves high-speed transmission performance of high-speed connector, still increases the function of fixed cable simultaneously.

Drawings

Fig. 1 is a perspective view of the high-speed connector of the present invention.

Fig. 2 is a view from another angle of fig. 1.

Fig. 3 is a schematic perspective view of the high-speed connector of the present invention, not showing the metal shell and the conductive foam.

Fig. 4 is a schematic perspective view of the high-speed connector of the present invention, which does not show the insulating body, the metal shell and the conductive foam.

Fig. 5 is an enlarged view within a circle of fig. 4.

Fig. 6 is a perspective view of the high-speed connector conductive terminal and the metal middle spacer and the insulating block of the present invention.

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

Fig. 8 is an exploded perspective view of the high-speed connector of the present invention.

Fig. 9 is a perspective view of the insulating body of the high-speed connector of the present invention.

Detailed Description

Referring to fig. 1 to 9, the present invention discloses a high-speed connector 100, which includes an insulating body 10, a conductive terminal 20, a metal middle spacer 30, a cable 40, a metal grounding plate 50, a metal shell 60, a pair of magnets 70 and a conductive foam 80.

The insulating body 10 includes a top 11, a bottom 12 opposite to the top 11, two side portions 13 opposite to each other left and right, a rear end wall 14 connected to rear ends of the top 11, the bottom 12 and the side portions 13, and a plug hole 15 formed therebetween, wherein the top 11 and the bottom 12 are respectively provided with terminal slots 110 arranged at left and right intervals and penetrating through the top 11 and the bottom 12, the rear end wall 14 is provided with a front-rear penetrating open groove 140 and two rows of fixing grooves 142, and the fixing grooves 142 are penetrated through the terminal slots 110 one by one. The outer side surfaces of the top portion 11 and the bottom portion 12 are respectively provided with a groove 112, the groove 112 is communicated with the terminal grooves 110 and 120, and an insulating sheet 16 is disposed in the groove 112 for preventing the conductive terminal 20 from contacting the metal shell 60 to cause a short circuit phenomenon. The two side portions 13 are further provided with accommodating grooves 130, and the front ends of the accommodating grooves 130 are communicated with the inserting holes 15.

The conductive terminals 20 are arranged in two rows, and each conductive terminal 20 includes a fixing portion 21, an arc-shaped contact portion 22 extending forward from the fixing portion 21, and a soldering portion 23 extending backward from the fixing portion 21. The contact portion 22 is partially received in the terminal groove 110, 120 of the insulating housing 10 and partially located in the insertion hole 15 for electrically contacting with the mating connector. The insulation block 25 is assembled forward at the rear end of the insulation body 10, the positioning grooves 253 are arranged on the upper surface and the lower surface of the insulation block 25 at intervals left and right, the fixing portions 21 of the conductive terminals 20 are inserted and fixed into the fixing grooves 142 of the insulation body 10 one by one, the contact portions 22 extend forward out of the insulation block 25, and the welding portions 23 are fixed in the positioning grooves 253 of the insulation block 25 and welded with the cable 40. In other embodiments, the conductive terminals 20 may be insert molded to the dielectric block 25, and the dielectric block 25 may be provided as a two-piece structure corresponding to the two rows of conductive terminals 20.

The center spacer 30 is insert molded or assembled to the insulator block 25 and is positioned between the two rows of conductive terminals 20. The middle spacer 30 includes a main body piece 31, a pair of contact arms 32 extending forward from the main body piece 31, and a pair of latch arms 33, wherein the left and right ends of the main body piece 31 are provided with middle fixing pieces 310 extending outward, and the contact arms 32 pass forward through the slots 140 of the insulating body 10 and enter the insertion holes 15 for elastically contacting with a mating connector (not shown) to realize the connection of a ground signal. The latch arm 33 is received in the receiving slot 130 of the housing 10, and the front end of the latch arm is bent to form a latch portion 35 located in the insertion hole 15 for latching on the mating connector to prevent the high-speed connector 100 and the mating connector from loosening.

The cable 40 includes an upper row of wires and a lower row of wires, and extends backward out of the metal shell 60, the wires include a conductor 41, an insulating layer 42, a shielding layer 43, and an insulating sheath 44 wrapping the outside, the insulating layer 42 is located between the conductor 41 and the shielding layer 43, and the shielding layer 43 is configured as a braid, an aluminum foil, or a copper foil. The conductors 41 are soldered to the soldering portions 23 of the conductive terminals 20 one by one.

The grounding strips 50 are arranged into four pieces, each row of wires is positioned between the two grounding strips 50, the upper surface and the lower surface of each shielding layer 43 are respectively welded with one grounding strip 50, the shielding layers 43 of each row of wires are short-circuited together, and meanwhile, the signal leakage of the cable 40 and the interference of external signals are reduced. Both left and right ends of the ground strip 50 adjacent to the center spacer 30 are also simultaneously in contact with the center spacer 30.

The metal housing 60 is composed of an upper half housing 601 and a lower half housing 602, wherein the upper half housing 601 includes a top wall 61 and two upper side walls 631 bent and extended downward from the left and right ends of the top wall 61, and the lower half housing 602 includes a bottom wall 62 opposite to the top wall 61 and two lower side walls 632 bent and extended upward from the left and right ends of the bottom wall 62. The inner sides of the top wall 61 and the bottom wall 62 are respectively provided with a row of elastic fingers 611 and 621 which elastically contact with the grounding strip 50 to realize a grounding loop between the metal shell 60 and the grounding strip 50. The upper half shell 601 is further provided with a plurality of grounding elastic pieces 615 which are bent upwards and backwards from the front edge of the top wall 61, the grounding elastic pieces 615 are arranged in a row at intervals left and right, and the grounding elastic pieces 615 are used for being electrically contacted with a grounding circuit of an electronic device (not shown) so as to form a grounding loop between the metal shell 60 and the electronic device.

The upper and lower sidewalls 631 and 632 include front sidewalls 641 and 642 and rear sidewalls 651 and 652, respectively, and the front sidewalls 641 and 642 are located inside the rear sidewalls 651 and 652 and are offset from each other in the left-right direction. The lower edge of the front sidewall 641 of the upper sidewall 631 is tightly attached to the front sidewall 642 of the lower sidewall 632, the rear sidewall 651 of the upper sidewall 631 is provided with an upper fixing plate 661 extending horizontally in a lateral direction, the rear sidewall 652 of the lower sidewall 632 is provided with a lower fixing plate 662 extending horizontally in a lateral direction, the upper fixing plate 661 is aligned with the lower fixing plate 662 in a vertical direction, the middle fixing plate 310 of the middle partition 30 is clamped between the upper fixing plate 661 and the lower fixing plate 662, and the three parts are provided with locking holes 68 aligned in a vertical direction and used for being locked on an electronic device through screws.

The two magnets 70 are fixed one by one on the left and right sides of the insulating body 10, the front ends of the two magnets are substantially aligned, the magnets 70 are clamped and fixed by the insulating body 10 and the metal shell 60, and the magnets 70 further abut against the upper fixing sheet 661, the lower fixing sheet 662 and the middle fixing sheet 310 backwards. The magnet 70 can provide an attraction force to attract the counterpart connector to the high-speed connector 100, further preventing the counterpart connector from coming loose.

Conductive bubble cotton 80 sets up to two, set up to the cuboid shape respectively, each conductive bubble cotton 80 is attached at metal casing 60 roof 61 and the medial surface of diapire 62, make every row of wire of cable 40 by the centre gripping between conductive bubble cotton 80 and median septum 30, cable 40 and metal casing 60 have been filled, the space of median septum 30, reduce the electromagnetic interference who gets into from high-speed connector 100 rear, both increased EMI shielded function, improve high-speed transmission performance of high-speed connector 100, still increase fixed cable 40's function simultaneously.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A high-speed connector (100) comprises an insulating body (10), a conductive terminal (20) contained in the insulating body (10), a metal shell (60) covering the insulating body (10), and a cable (40) extending backwards out of the metal shell (60), wherein the conductive terminal (20) is electrically connected with the cable (40), and is characterized in that: the cable is characterized by further comprising a conductive foam (80) positioned in the metal shell (60), wherein the conductive foam (80) covers the outer side of the cable (40) and is squeezed between the metal shell (60) and the cable (40).

2. The high-speed connector of claim 1, wherein: the metal shell (60) comprises a top wall (61) and a bottom wall (62) opposite to the top wall (61), and the conductive foam (80) is attached to the inner side face of the top wall (61) or/and the bottom wall (62).

3. The high-speed connector of claim 1, wherein: the cable (40) comprises two rows of conducting wires which are parallel up and down, the conducting foam (80) is arranged into two rectangular bodies, one of the conducting foam (80) covers the upper surface of one of the conducting wires, and the other conducting foam (80) covers the lower surface of the other conducting wire.

4. The high-speed connector of claim 2, wherein: the conductive cable further comprises a metal middle spacer (30) located between the upper and lower rows of conductive terminals (20), the conductive foam (80) is squeezed between the top wall (61) or/and the bottom wall (62) and the middle spacer (30), and the cable (40) is compressed between the middle spacer (30) and the conductive foam (80).

5. The high-speed connector of claim 4, wherein: the insulating body (10) comprises an inserting hole (15) located at the front end, the conductive terminal (20) is located in the inserting hole (15), the middle spacer (30) is provided with a contact arm (32) extending forwards and a pair of locking arms (33), the contact arm (32) extends forwards into the inserting hole (15), and the locking arms (33) are located on the left side and the right side of the inserting hole (15) and are provided with locking portions (35) located in the inserting hole (15).

6. The high-speed connector of claim 4, wherein: metal casing (60) are including offering last half casing (601) and lower half casing (602) that the back reunion is in the same place after the branch, last half casing (601) include from two last lateral wall (631) that both ends are buckled down and are extended about roof (61), it is equipped with last fixed piece (661) that the side direction level extends to go up lateral wall (631) lower edge, half casing (602) are including following both ends are buckled up and are extended two lower lateral wall (632) about diapire (62), it is equipped with lower fixed piece (662) that the side direction level extends to go up edge (632) down, well spacer (30) are including middle fixed piece (310) that the side direction extends, middle fixed piece (310) are held in go up fixed piece (661 with between lower fixed piece (662).

7. The high-speed connector of claim 6, wherein: the insulation structure is characterized by further comprising magnets (70) arranged on the left side and the right side of the front end of the insulation body (10), wherein the magnets (70) are clamped and fixed between the insulation body (10) and the metal shell (60) and abut against the upper fixing sheet (661), the lower fixing sheet (662) or the middle fixing sheet (310) backwards.

8. The high-speed connector of claim 1, wherein: the insulating body (10) comprises a top portion (11), a bottom portion (12), two side portions (13) and a plug hole (15) located between the top portion (11), the bottom portion (12) and the two side portions (13), the conductive terminal (20) comprises a fixing portion (21), a contact portion (22) extending into the plug hole (15) from the fixing portion (21) forward and a welding portion (23) extending from the fixing portion (21) backward, the welding portions (23) are arranged on an insulating block (25), the insulating block (25) is assembled on the insulating body (10), and the cable (40) and the welding portion (23) are welded together.

9. The high-speed connector of claim 8, wherein: the conductive foam (80) is positioned behind the insulating block (25).

10. A high speed connector as recited in claim 3, wherein: still include metal ground lug (50), the wire includes conductor (41), insulating layer (42), shielding layer (43) and is located insulating crust (44) outside the wire, conductor (41) with conductive terminal (20) are connected, insulating layer (42) are located conductor (41) with between shielding layer (43), ground lug (50) with each the wire the upper surface or the lower surface welding of shielding layer (43), realize same row the wire shielding layer (43) short circuit together.