CN201323327Y

CN201323327Y - Cable connector component

Info

Publication number: CN201323327Y
Application number: CNU2008203021283U
Authority: CN
Inventors: 李小利; 苏聘胜
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-09-16
Filing date: 2008-09-16
Publication date: 2009-10-07
Anticipated expiration: 2018-09-16

Abstract

The utility model discloses a cable connector assembly, which comprises an insulating body (2), a plurality of conductive terminals (11) fixed on the insulating body, and a plurality of wires (30) electrically connected to the conductive terminals. One part of the conductive terminals is a differential pair terminal (11a), and the differential pair terminal is provided with a wire holding part (113) that fixes the corresponding wire by crimping, and the other parts of the conductive terminal are welded with the corresponding wire.

Description

Micro coaxial cable connector assembly

[technical field]

The utility model relates to a kind of micro coaxial cable connector assembly, relates in particular to a kind of effectively transmitting high-frequency signal and keeps the micro coaxial cable connector assembly of miniaturization.

[background technology]

For satisfying unique needs in consumer electronics market, in April, 2002, Hitachi, Panasonic, Philip, crystalline substance picture (SiliconImage), Sony, Thomson, Toshiba totally 7 companies have set up HDMI (High-definition DigitalMultimedia Interface; High definition numerical digit multimedia interface) association begins to formulate the new numerical digit video/audio transmission criteria that is exclusively used in.The HDMI technology can be transmitted HD video and multi-channel audio by single connector, the generation that mainly faces down consumer electronics market.According to the HDMI transmission standard, the HDMI micro coaxial cable connector assembly comprises insulating body, be assembled in conducting terminal on the insulating body, cover at the thin sheet of metal shell of insulating body periphery and the cable that electrically connects with conducting terminal.

The Chinese utility model patent that announcement on July 12nd, 2006, name are called " high-density multimedia interface terminal structure " has disclosed a kind of HDMI connector No. 200520000607, and its terminal tails is provided with mode and the lead electric connection of riveting part with crimping.Compare with traditional HDMI connector, it replaces scolding tin processing procedure between terminal and lead in the mode of mechanical crimping, has improved the high-frequency transmission performance of product.Yet the terminal of employing crimping mode generally all needs and also needs bigger spacing between bigger volume, terminals of adjacent, thereby whole connector volume is increased.

Thereby be necessary to provide a kind of micro coaxial cable connector assembly to address the above problem.

[utility model content]

The purpose of this utility model is to provide a kind of effectively transmitting high-frequency signal and keeps the micro coaxial cable connector assembly of miniaturization.

For achieving the above object, the utility model provides following technical solution: a kind of micro coaxial cable connector assembly comprises insulating body, is fixed in the plurality of conductive terminals of insulating body and the some leads that electrically connect with conducting terminal.The wherein part of these conducting terminals is the differential pair terminal, and the differential pair terminal is provided with the fixing lead holding parts of corresponding lead of crimping mode, and the other parts of these conducting terminals are welded mutually with corresponding lead.

For achieving the above object, the utility model provides following technical solution in addition: a kind of micro coaxial cable connector assembly, the lead that comprises insulating body, is contained in the two rows conducting terminal in the insulating body and is electrical connected with conducting terminal, one row in the conducting terminal adjacent a pair of differential pair terminal arrange in the conducting terminal with another and can constitute a differential pair terminal group to an earth terminal between the differential pair terminal at this, conducting terminal contains several differential pair terminal group.Each differential pair terminal of differential pair terminal group is provided with the fixing lead holding parts of corresponding lead of crimping mode, and the earth terminal of differential pair terminal group is provided with weld part to weld mutually with corresponding lead.

Compared with prior art, the differential pair terminal of the utility model micro coaxial cable connector assembly can ensure the quality of signal transmission with the fixing corresponding lead of volume pressure mode, and the lead that earth terminal adopts the mode of welding to connect correspondence can reduce the spacing of terminal, thereby helps reducing the size of connector integral body.

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model micro coaxial cable connector assembly.

Fig. 2 is the view at another visual angle of Fig. 1.

Fig. 3 is the enlarged drawing of terminal module.

Fig. 4 is not installed on the view of insulating body as yet for metal shell.

Fig. 5 is the three-dimensional combination figure of the utility model micro coaxial cable connector assembly.

[embodiment]

Please refer to Fig. 1 and shown in Figure 2, the utility model micro coaxial cable connector assembly comprises terminal module 1, accommodate and the insulating body 2 of fixed terminal module 1, be connected the cable 3 of terminal module 1 rear end and cover the metal shell 4 of insulating body.

Terminal module 1 is made up of two row's conducting terminals 11, above row's terminal 11 be fixed in the upper surface of collets 12 (its for last collets), below row's terminal 11 be fixed in the lower surface of another collets 12 (its under collets).These two collets 12 all form in the mode that edge buries moulding (insert molding).The lower surface of last collets 12 is provided with a pair of projection 120, and the upper surface of following collets 12 is provided with a pair of circular hole 121 of projection 120 of accommodating so that upper and lower collets 12 are installed as one.

These all terminals 11 can be divided into 4 couples of differential pair terminal 11a and 11 other terminal 11b of high frequency signals such as transmission of video/audio frequency, and these other terminals 11b comprises the power supply terminal that is used to transmit power supply, be used for the earth terminal of ground connection and be used to transmit other signal terminal of low frequency signal.

Please in conjunction with Fig. 2 and shown in Figure 3, each differential pair terminal 11a comprise front end extend collets 12 with and another connector (not shown) the elasticity docking section 111, the rear end that connect extend collets 12 rears in order to the lead holding parts 113 of connection cable 3 and the connecting portion 112 between elastic joint part 111 and lead holding parts 113, connecting portion 112 both sides are provided with sawtooth (sign) so that the terminal 11 firm collets 12 that are incorporated into.Lead holding parts 113 comprise be positioned at its end in order to the clamping part 1132 of clamping lead and away from adjacent differential pair terminal 11a to strengthen the rake 1131 of adjacent clamping part 1132 spacings, each clamping part 1132 comprises a pair of bent sheet 11321 that is positioned at its both sides and bent sheet 11321 is enclosed the lead accepting groove 11322 that forms by this.

Other terminal 11b and differential pair terminal 11a structural similarity, difference is: other terminal 11b tail end is that flat weld part 119 is used for connecting lead in the mode of welding.

Illustrate a bit, in the HDMI connector, one row can constitute a differential pair terminal group at this to an earth terminal between the differential pair terminal 11a in adjacent a pair of differential pair terminal 11a and another row's conducting terminal 11 in the conducting terminal 11, and the coordination between each differential pair terminal group dependence inside is transmission signals better.

Insulating body 2 comprises the terminals 22 of the butt end 21 and the rear end of front end, thereby butt end 21 middle bodies are hollowed out and formed the host cavity 210 that is used to accommodate butt connector (not shown), and terminals 22 central authorities are provided with the space 220 that is used for housing insulation piece 12.Space 220 is connected with host cavity 210 so that 220 groups of terminals of going into 11 can enter in the host cavity 210 from the space.

Cable 3 is a round wire, and some leads 30 are contained in its inside, and each lead 30 comprises the insulating barrier 32 of its central heart yearn 31 and cladding core wire 31.When assembling with differential pair terminal 11a, exposed heart yearn 31 stretches in the lead accepting groove 11322, to curls inward press-bending tabs 11321 and crimping (crimp) heart yearn 31 in it.

Metal shell 4 is assembled by upper and lower metal shell 41,42.Last metal shell 41 front ends are provided with cavity 410, thereby the outline of cavity 410 and the insulating body 2 similar insulating bodies 2 of accommodating are in it.Thereby following metal shell 42 is installed on metal shell 41 rear ends and forms a space 40, is used to cover the lead holding parts 113 of terminal 11, the front end of lead 30, thereby avoids outside the junction of lead 30 and terminal 11 is exposed to.Upper and

lower metal shell

41,42 ends form one respectively and bend inwards and be used for oppressing the shell fragment 43 of cable 3.

The utility model micro coaxial cable connector assembly as the differential pair terminal 11a of transmission of audio and video, adopts the crimping mode to connect lead 30 to guarantee the quality of transmission for important signal terminal; For power supply terminal, earth terminal and to transmission quality requirements not too high signal terminal relatively, then can adopt welding manner to connect the volume of lead 30 to reduce as far as possible to take.

Claims

1. A cable connector assembly, comprising an insulating body, a plurality of conductive terminals fixed on the insulating body, and a plurality of wires electrically connected to the conductive terminals, characterized in that: some of the plurality of conductive terminals are differential pair terminals, The differential pair terminals are provided with a wire holding portion that fixes the corresponding wires in a crimping manner, and other parts of the plurality of conductive terminals are welded to the corresponding wires.

2. The cable connector assembly according to claim 1, characterized in that: the wire holding part is provided with a groove for placing the wire and a wire located on both sides of the groove to fix the wire to the groove by crimping Roll pressing department.

3. The cable connector assembly according to claim 1, wherein the plurality of conductive terminals comprise at least one pair of adjacent differential pair terminals, and the wire holding portions of the pair of differential pair terminals extend away from each other .

4. A cable connector assembly, comprising an insulating body, upper and lower rows of conductive terminals accommodated in the insulating body and wires electrically connected to the conductive terminals, a pair of adjacent differential pair terminals in a row of conductive terminals and the other A ground terminal located between the pair of differential pair terminals in a row of conductive terminals will form a differential pair terminal group, and the conductive terminal contains several differential pair terminal groups, and it is characterized in that: each of the differential pair terminal groups The differential pair terminal is provided with a wire holding portion that fixes the corresponding wire in a crimping manner, and the ground terminal of the differential pair terminal set is provided with a welding portion to be welded with the corresponding wire.

5 . The cable connector assembly according to claim 4 , wherein the wire holding portions of the adjacent differential pair terminals of the differential pair terminal set extend away from each other. 6 .

6 . The cable connector assembly according to claim 5 , wherein the wire holding portion of the differential pair terminal exceeds the soldering portion of the ground terminal in the wire extending direction. 7 .

7. The cable connector assembly according to claim 4, wherein the plurality of conductive terminals are made by insert molding.

8. The cable connector assembly according to claim 4, characterized in that: the cable connector assembly further comprises an upper insulating block to cover the upper layer conductive terminals and a lower insulating block for embedded molding The conductive terminal of the lower layer is covered in a manner; one of the upper and lower insulating blocks is provided with a boss, and the other is provided with a hole to assemble the upper and lower insulating blocks into one.

9. The cable connector assembly according to claim 4, further comprising a metal shell covering the insulating body.

10 . The cable connector assembly according to claim 9 , wherein the rear end of the metal shell is provided with an elastic piece bent inward to press the wire. 11 .