CN201081834Y - Cable connector assembly - Google Patents

Abstract

The utility model discloses a cable connector component, which comprises an insulation unit, a plurality of terminals accommodated in the insulation unit, a cable and a metal shell covering the insulation unit, the terminals and the front end of the cable. The insulation unit is provided with a butt surface, a connection surface and a butt direction/way extending to the butt surface from the connection surface. The cable comprises a plurality of conductors in electric connection with the terminals and a sheltering layer. The metal shell comprises a first shell unit and a second shell which is in fit with the first shell along a direction vertical to the butt direction. The first shell comprises a strengthening part supporting the sheltering layer of the cable, the strengthening part is further provided with at least one confining space; the second shell comprises a holding part which partially covers the strengthening part and the sheltering layer of the first shell and is located in the confining space. The cable connector component has the effect of realizing signal transmission and eliminating electromagnetic disturbance via an improved sheltering part.

Description

Cable Connector Assembly

【Technical field】

The utility model relates to a cable connector assembly, in particular to a cable connector assembly used for high-speed signal transmission between two electrical devices.

【Background technique】

Display Port (DisplayPort) is a new digital display interface standard proposed by VESA (Video Electronics Standards Association) (passed in May 2006). It defines a new type of license-free digital audio/video connection, primarily for use between a computer and a monitor, or between a computer and a home theater system. Compared with High Definition Multimedia Interface (High DefinitionMultimedia Interface) and Digital Video Interface (Digital Visual Interface), this display interface has many advantages, such as supporting 10Gbit of high-definition monitors in a patent-free manner except for the encrypted part. /s front-end connection channel, and supports internal and external connections so that computer manufacturers can use the same standard to reduce costs, etc., but HDMI is not the case. The display interface connector includes a metal shell, an insulating body accommodated in the metal shell, a number of terminals accommodated in the insulating body, a number of cables electrically connected to the terminals, and a jacket overmolded on the metal shell and the cables . However, the detailed structure of the display interface connector has not been disclosed, and there is still room for improvement of the display interface connector to achieve better signal transmission effect and reduce electromagnetic interference.

The cable connector assembly disclosed in US Pat. No. 6,932,640 B1 includes a metal shielding element covering the housing, the cover plate and the cap. The metal shielding body includes a lower shell and an upper shell. The lower case includes a U-shaped main body portion provided with several hook-shaped protrusions and a rear clamping portion located at the rear of the main body portion. The upper shell is a U-shaped metal sheet reversely covered on the lower shell, which is provided with a number of holding holes symmetrically distributed on two opposite sides and an extension band and docked with the hook-shaped protrusion. After assembly, the holding hole is docked with the hook-shaped protruding part, and the clamping part is fixed on the outer periphery of the metal shielding layer of the cable and clamped on the extension belt. However, in some cases, when an unexpected force is applied to the cable, there is a high possibility that the upper case and the lower case will be separated from each other. Therefore, electromagnetic protection and stable signal transmission will be affected.

Thus, there is a need to provide a cable connector assembly with an improved shroud.

【Content of utility model】

The main purpose of the present utility model is to provide a cable connector assembly, which has an improved shield to prevent electromagnetic interference and achieve good signal transmission effect.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a cable connector assembly includes an insulating body, a number of terminals accommodated in the insulating body, a cable with a number of conductors electrically connected to the terminals and a shielding layer , The metal shell and the protective cover covering the insulating body, the terminal and the front end of the cable. The insulating body is provided with a docking surface, a connecting surface and a docking direction extending from the connecting surface to the docking surface. The metal shell includes a first shell and a second shell mated to the first shell along a direction perpendicular to the docking direction. Wherein the first housing includes a reinforcing part that supports the cable shielding layer, the reinforcing part is further provided with a restricted space, and the second housing includes a clamping part that partially covers the reinforcing part of the first housing and the shielding layer, and is positioned in the restricted space Inside.

In order to achieve the above purpose, the utility model can also adopt the following technical solutions: a cable connector assembly includes an insulating body provided with a docking interface, a number of terminals arranged in the insulating body and protruding from the docking interface, a first metal The shell, the second metal shell and the insulating cover, the first metal shell is a sheet structure, which includes the front part surrounding the insulating body on the periphery and the rear edge of the front part in a half-peripheral frame structure. Extending the rear part, the second metal shell corresponds to the rear part size of the first metal shell and is assembled on the rear edge of the front part opposite to the rear part of the first metal shell, which is connected to the first metal shell The rear part of the metal housing cooperates to form a peripheral frame structure, and the insulating cover is protectively overmolded on the first and second metal housings except most of the front part of the first metal housing.

Compared with the prior art, the electrical connector of the utility model has the following effects: stable signal transmission and elimination of electromagnetic interference are realized through the improved shielding member.

【Description of drawings】

FIG. 1 is a three-dimensional assembly view of the cable connector assembly of the present invention.

FIG. 2 is an exploded perspective view of the cable connector assembly shown in FIG. 1 .

FIG. 3 is a view from another perspective of the cable connector assembly shown in FIG. 2 .

FIG. 4 is an enlarged view of the metal shell of the cable connector assembly shown in FIG. 2 .

FIG. 5 is a view from another perspective of the metal casing shown in FIG. 4 .

FIG. 6 is a cross-sectional view of the cable connector assembly shown in FIG. 1 along the line A-A.

Fig. 7 is a cross-sectional view of the cable connector assembly shown in Fig. 1 along the line B-B.

【Detailed ways】

Please refer to Figure 1 and Figure 2, the utility model cable connector assembly 100 has a docking direction and a docking surface, which includes an insulating body 1, a number of terminals 2 accommodated in the insulating body 1, and an alignment assembly assembled on the insulating body 1 Device 3 , cables 5 with several conductors 50 connected to corresponding terminals 2 , metal casing 4 covering insulating body 1 , and protective cover 6 partially surrounding metal casing 4 and the front end of cables 5 .

The insulating body 1 is provided with a mating surface 14 , a connecting surface 15 opposite to the mating surface 14 , and a mating interface. The insulating housing 1 has an upper wall 10 , a lower wall 11 extending parallel to the upper wall 10 , and a pair of side walls 16 extending between the upper and lower walls 10 , 11 . The upper wall 10 , the lower wall 11 and the side wall 16 jointly form the receiving cavity 12 . A plurality of passages 13 are arranged on the inner surfaces of the upper wall 10 and the lower wall 11 to form two sets of first passages and second passages. These passages respectively pass through the connection surface 15 of the insulating body 1 and communicate with the receiving cavity 12 . The number of first channels is the same as the number of second channels. In addition, each side wall 16 is provided with a pair of blocking blocks 161 respectively protruding upwards and downwards from the rear end surface. Each of the upper wall 10 and the lower wall 11 is respectively provided with a pair of protrusions 17 spaced a certain distance from each other. Each protrusion 17 is further provided with a wedge-shaped protrusion 170 extending outward.

The terminal 2 is disposed in the insulating body 1 and protrudes from the docking interface, and includes a docking portion 20 , a terminal portion 22 opposite to the docking portion 20 , and a holding portion 21 between the docking portion 20 and the terminal portion 22 . Several interference parts (not labeled) are provided on both sides of the holding part 21 to interfere with the insulating housing 1 . The terminals 2 are also arranged in two groups, corresponding to the first channel and the second channel respectively. The docking parts 20 are respectively accommodated in the corresponding passages 13 and partly protrude from the receiving cavity 12 . The terminal portion 22 extends beyond the connecting surface 15 .

The alignment device 3 is assembled on the insulating body 1, including a partition 30, a tongue plate 31 extending forward from the partition 30 into the receiving cavity 12 of the insulating body 1, and a terminal portion 22 supported on the upper and lower surfaces thereof The supporting plate 32, wherein the partition 30 is provided with a through hole 301 for the passage of the terminal part 22 of several terminals 2 and a pair of partitions are respectively provided on the upper and lower surfaces to cooperate with the protruding part 17 to hold the insulating body 1 groove 302 . The tongue plate 31 includes a plurality of protrusions 310 aligned with the corresponding channels 13 of the insulating housing 1 . Therefore, after the alignment device 3 and the terminal 2 are assembled in the insulating body 1 , the protrusions 310 of the tongue 31 respectively support the corresponding mating portions 20 of the terminal 2 and fill the receiving cavity 12 of the insulating body 1 .

The cable 5 includes a plurality of conductors 50 , a jacket 52 and a shielding layer 51 soldered to the terminal portion 22 of the terminal 2 respectively. After part of the sheath 52 of the cable 5 is stripped off, the shielding layer 51 will be exposed outside.

Referring to FIG. 4 and FIG. 5 , the metal shell 4 is stamped from a metal material, and includes a first shell 40 and a second shell 45 assembled on the first shell 40 along a direction perpendicular to the mating direction. However, in other embodiments, the second housing 45 can also be assembled to the first housing 40 along the mating direction without departing from the spirit of the present invention.

The first housing 40 is a sheet structure, including a frame-shaped main body 41, a U-shaped extension 42 extending backward from the main body 41, and a reinforcement 43 extending rearward from the rear edge of the extension 42. It can also be said to be included in The periphery surrounds the front part of the insulating body 1 and the rear part integrally extending rearward from the rear edge of the front part in a half-perimeter frame structure. The main body 41 includes a top wall 411 , a bottom wall 413 opposite to the top wall 411 , and a pair of side walls 412 connected to the top wall 411 and the bottom wall 413 . The top and bottom walls 411 , 413 and the side wall 412 jointly form a receiving groove 410 for receiving the insulating body 1 . A rear edge of the top wall 411 is provided with several openings 4111 along a direction perpendicular to the mating direction. The top wall 411 and the bottom wall 413 are respectively provided with a pair of notches 4112 abutting with the protrusions 170 of the protruding portion 17 of the insulating housing 1 . Each side wall 412 is provided with a rib 4121 extending from the rear. The extension portion 42 is U-shaped, and includes a lower wall 420 extending backward from the bottom wall 413 , and a pair of side walls 421 opposite to each other and separated by the bottom wall 413 . The lower wall 420 and the pair of side walls 421 together form a space (not labeled) communicating with the receiving groove 410 . Each side wall 421 includes a pair of rectangular holes 4210 . The reinforcing portion 43 is rectangular, including a curved portion 430 cut from two sides of the reinforcing portion 43 at a predetermined distance, a restricting portion (not labeled) at the rear, and a positioning portion (not labeled) located at the front. A limiting space 431 is jointly formed between the limiting part and the positioning part.

The second housing 45 is U-shaped and includes an upper wall 451 , a pair of opposite side walls 452 and a clamping portion 453 extending from the rear of the upper wall 451 . The upper wall 451 and the pair of side walls 452 jointly form a space (not numbered). The upper wall 451 is provided with a plurality of convex ribs 4511 recessed a predetermined distance downward from its top surface and a plurality of tooth-shaped protrusions 4512 bent downward from a front edge. Each sidewall 452 includes a pair of locking pieces 4521 that are stamped outward to lock into the rectangular hole 4210 of the first housing 40 . The clamping portion 453 is an annular structure bent from a thin metal sheet. The second housing 45 corresponds to the size of the rear portion of the first housing 40 and is assembled on the rear edge of the opposite front portion of the rear portion of the first housing 40, and cooperates with the rear portion of the first housing 40 to form a peripheral frame. structure.

The protective cover 6 is made of insulating material, which is protectively overmolded on the first and second shells 40 , 45 except most of the front part of the first metal shell 40 .

Please refer to FIG. 1 to FIG. 7 , during assembly, the terminal 2 is first assembled on the alignment device 3 . The terminal part 22 of the terminal 2 passes through the through hole 301 and is located on the support plate 32, its abutting part 20 is placed on the raised strip 310 and the holding part 21 interferes with the inner surface of the through hole 301 through the interference part (not labeled) of the terminal 2 Cooperate and accommodate in the channel 13. Then, the alignment device 3 and the terminal 2 are assembled together on the insulating body 1, the tongue plate 31 is accommodated in the channel 13 through the raised strip 310 and fills the receiving cavity 12, the partition plate 30 is held between the side walls 17, and the supporting plate 32 is exposed to the Outside the insulating body 1. In addition, the protruding portion 17 is accommodated in the groove 302 . Next, the conductors 50 of the cables 5 are respectively welded to the terminal portions 22 of the terminals 2 supported by the support plate 32 . Please refer to FIG. 1 to FIG. 8 , after the above-mentioned assembly is completed, the above-mentioned combination is inserted and assembled in the first housing 40 along the docking direction. During this process, the insulating body 1 moves toward the receiving groove 410 until the protrusion 170 is received in the notch 4112 and blocked by the blocking block 161 . The ribs 4121 are bent toward each other to further resist the rear end of the side wall 16 of the insulating housing 1 . Thus, the insulating body 1 is reliably combined with the first casing 40 . The supporting plate 32 and the shielding layer 51 of the cable 5 are respectively located on the bottom wall 420 and the reinforcing part 43 . Then, the second housing 45 is assembled to the first housing 40 along a direction perpendicular to the docking direction, and its tooth-shaped protrusion 4512 is snapped into the opening 4111 of the first housing 40 . The second housing 45 moves downward until the locking piece 4521 of the side wall 452 is locked into the rectangular hole 4210 of the side wall 421 of the first housing 40 . In addition, the clamping portion 453 of the second housing 45 is bent to surround the shielding layer 51 and the bent portion 430 , and then received and positioned in the restricted space 431 . Therefore, when the cable 5 is stretched or bent by an external force, the metal shell 4 can firmly surround the terminal 2 and the cable 5 to effectively reduce the influence of electromagnetic interference and improve the electrical connection.

Referring to FIG. 1 to FIG. 7 , the protective cover 6 is overmolded on the junction of the rear part of the insulating body 1 , the metal shell 4 , the alignment device 3 , the terminal 2 and the conductor 50 . Since the terminal 2 and the protrusion 310 of the tongue plate 31 completely fill the receiving cavity 12 , the insulating body 1 will not be deformed or bent even if the protective cover 6 exerts considerable pressure on the insulating body 1 during the overmolding process.

Please refer to FIG. 1 to FIG. 3 , the cable connector assembly 100 of the present invention is a display port (DisplayPort) type cable connector assembly. In order to adapt to the display interface (DisplayPort), the terminals 2 of the cable connector assembly 100 are arranged in two rows along the opposite inner surface of the insulating body 1, one row of terminals is located on the top wall 12 of the insulating body 1, and consists of ten terminals, and the other A row of terminals is also composed of ten terminals. However, the two rows of terminals are not aligned with each other in the vertical direction of the insulating housing 1 . Obviously, the alignment device 3 of the present invention can also be applied to other types of cable connector assemblies.

Claims (10)

1. micro coaxial cable connector assembly, comprise insulating body, be contained in the plurality of terminals in the insulating body, be provided with some and the conductor of terminal electric connection and the cable of shielding layer, metal shell and protection lid, wherein insulating body is provided with interface, joint face and the butt joint direction of extending to interface from joint face, metal shell surrounds insulating body, terminal and cable front end, second housing that it comprises first housing and is incorporated into first housing along the direction vertical with docking direction, it is characterized in that: described first housing comprises the rib in order to the shielding layer that supports cable, described rib further is provided with at least one restricted quarter, and second housing comprises that part surrounds the shielding layer of the rib of described first housing and cable and be positioned the clamping part of the restricted quarter.

2. micro coaxial cable connector assembly as claimed in claim 1, it is characterized in that: the rib of described first housing is rectangular, it comprises the bend and a pair of restricted quarter that forms from both sides cuttings, and the clamping part of described second housing surrounds the bend of rib of first housing and the shielding layer of cable.

3. micro coaxial cable connector assembly as claimed in claim 1, it is characterized in that: described first housing comprises U-shaped extension and the above-mentioned rib that the frame shape main part that is used for accommodating insulating body, autonomous body extend back, and this rib extends back from the extension back edge.

4. micro coaxial cable connector assembly as claimed in claim 3 is characterized in that: described main part comprises roof, the diapire relative with roof and the sidewall that links to each other with roof, diapire, and the common accepting groove that forms of roof, diapire and sidewall is accommodated insulating body.

5. micro coaxial cable connector assembly as claimed in claim 1, it is characterized in that: described second housing with U-shaped cross section structure comprises upper wall, a pair of relative sidewall and above-mentioned clamping part, this clamping part extends from the upper wall back, and the common space that forms of upper wall and pair of sidewalls is so that combine with the extension of first housing.

6. micro coaxial cable connector assembly as claimed in claim 5, it is characterized in that: the upper wall of described second housing is provided with some from the reclinate dentation of leading edge, the back edge of the roof of first housing further is provided with some openings along the direction vertical with docking direction, and dentation is contained in the opening of first housing.

7. micro coaxial cable connector assembly as claimed in claim 5 is characterized in that: each sidewall of described second housing comprises the retaining sheet that a pair of outside punching press forms, and the extension of first housing further is provided with the hole of some these retaining sheets of snap close.

8. micro coaxial cable connector assembly as claimed in claim 4, it is characterized in that: the roof of described first housing and diapire are respectively equipped with a pair of breach, insulating body further is provided with the projection corresponding with breach, each sidewall of first housing comprises the rib that extends back from the rear end, and bending and described projection can prevent that insulating body breaks away from first housing along the opposite direction of butt joint direction to this rib relatively towards each other in the insulating body rear end.

9. micro coaxial cable connector assembly as claimed in claim 4 is characterized in that: described insulating body is provided with the roof of some vicinity first housings and the stopper of diapire rear side breaks away from first housing to prevent insulating body along the butt joint direction.

10. micro coaxial cable connector assembly; comprise the insulating body that is provided with mating interface; be arranged in the insulating body and be exposed to plurality of terminals in the mating interface; first metal shell; second metal shell and insulation lid; it is characterized in that: described first metal shell is a slice structure; it is included in the rear portion that peripheral back edge anterior and from the front portion of surrounding described insulating body extends back with half cycle mount structure one; second metal shell is corresponding with the rear size of described first metal shell and be assembled in the back edge of relative front portion, the described first metal shell rear portion; its rear portion with described first metal shell cooperates forming all mount structures, insulation lid protectiveness ground be overmolded in except that the major part of the front portion of first metal shell first; second metal shell.

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