CN201477239U

CN201477239U - Connector

Info

Publication number: CN201477239U
Application number: CN2009203053397U
Authority: CN
Inventors: 张元明; 陈启明
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: 2009-06-30
Filing date: 2009-06-30
Publication date: 2010-05-19
Anticipated expiration: 2019-06-30

Abstract

The utility model discloses a connector which comprises an insulated main body, a conductive terminal and an optical fiber module used for transmitting optical signals. The insulated main body comprises a main body part and a tongue plate extending forward from the main body part; the conductive terminal comprises a pair of adjacent differential signal terminals; each differential signal terminal comprises a first contact part, a first fixing and holding part and a first tail part which are fixed and held on the tongue plate, and a first connecting part connected with the first fixing and holding part and the first tail part; the distance between the two first tail parts is bigger than the distance between the two first contact parts; the optical fiber module is arranged between the two first tail parts; and tabular widening parts are arranged on the first tail parts.

Description

Connector

[technical field]

The relevant a kind of connector of the utility model, but relate in particular to a kind of connector of transmitting optical signal.

[background technology]

(Universal Serial Bus, USB) interface has been widely used in numerous design of electronic devices as a kind of input/output interface of standard USB (universal serial bus).1994,7 tame world-renowned computing machines such as Intel, Compaq, numeral, IBM, Microsoft, NEC, Northern Telecom and communication common carrier were united and have been set up USB association (USB-IF), tentatively set up the USB interface standard.Up to the present, the successively issue of USB association versions such as 1.0,1.1,2.0 and 3.0, and the transfer rate of USB also little by little is being improved.Development and development of technology along with electronics industry; people are still in the transfer rate that constantly improves USB hardy; but the USB connector of a kind of transmission optics signal with further raising transfer rate arranged at present; this connector generally includes insulating body; be fixed on the insulating body USB 2.0 conducting terminals and in order to carry out the optical fiber module of optical delivery; power supply terminal and ground terminal that this conducting terminal comprises a pair of difference signal terminal and is positioned at two difference signal terminal both sides; two difference signal terminal include contact site and can be soldered to afterbody on the circuit board; the assembling of optical fiber module for convenience, the distance that can widen usually between the two difference signal terminal afterbodys is directly passed between two afterbodys for the optical fiber module.Yet, because the distance between the two difference signal terminal afterbodys is widened, make that the electrostatic capacitance between two difference signal terminal reduces, thereby make the differential impedance that produces between two difference signal terminal uprise, thereby can't realize impedance matching, make the transport property variation of connector.

Therefore, at above-mentioned technical matters, be necessary to provide a kind of structure improved connector that has, to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of connector, and this connector can improve the differential impedance that produces between two difference signal terminal.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of connector, it comprises insulating body, be retained on the conducting terminal on the insulating body and be retained on the insulating body and in order to carry out the optical fiber module of optical signal transmission, described insulating body comprises the hyoplastron that main part and autonomous body extend forward, described conducting terminal comprises a pair of adjacent difference signal terminal, described two difference signal terminal include first contact site that is retained on the hyoplastron, extend and be retained on first holding parts on the main part from first contact site, can be soldered to first afterbody on the circuit board, and first connecting portion that connects first holding parts and first afterbody, wherein, distance between described two first afterbodys is greater than the distance between two first contact sites, described optical fiber module is between two first afterbodys, and described first afterbody is provided with tabular those widened sections.

Compared with prior art, the utlity model has following beneficial effect: first afterbody is by being provided with tabular those widened sections, can promote the electrostatic capacitance between two difference signal terminal, improve the differential impedance that produces between two difference signal terminal, thereby improve the transport property of connector.

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 combination figure of the utility model connector.

Fig. 2 is the three-dimensional combination figure of another angle of the utility model connector.

Fig. 3 is the part exploded view of Fig. 2.

Fig. 4 is the three-dimensional exploded view of the utility model connector.

Fig. 5 is the three-dimensional exploded view of another angle of the utility model connector.

[embodiment]

Please refer to Fig. 4 and shown in Figure 5, the utility model connector 100 can be soldered on the circuit board, and it comprises insulating body 1, be retained on conducting terminal 2 on the insulating body 1, be located at the optical fiber module 3 on the insulating body 1, the shell 4 of coated insulation body 1 and the baffle 5 that is held in shell 4 rear ends.

Please refer to Fig. 1 to shown in Figure 5, insulating body 1 comprises that the below one of hyoplastron 12 that the front end of main part 11, autonomous body 11 extends forward and autonomous body 11 is extended forward and the back up pad 13 parallel with hyoplastron 12.Connect the accepting groove 110 with up-winding fiber module 3 before and after main part 11 is provided with below hyoplastron 12, the rear end of main part 11 is provided with a pair of holding slot 111 and the draw-in groove 112 between two holding slots 111 below accepting groove 110.

Optical fiber module 3 comprises base portion 31 and extends forward and be retained on extension 32 in the accepting groove 110 from base portion 31.The reference column 36 that the front end of extension 32 is provided with some lens 35 and is positioned at lens 35 both sides and extends forward, these lens 35 can with the optical fiber that is connected to circuit board (not shown) optically-coupled, so that the high-speed optical signal transmission to be provided.

Arranging of conducting terminal 2 meets the transmission standard of A type USB2.0, power supply terminal 22 and ground terminal 23 that it comprises a pair of difference signal terminal 21 and lays respectively at two difference signal terminal, 21 both sides.Two difference signal terminal 21 include along fore-and-aft direction extends to be retained on first contact site 211 on the hyoplastron 12, extend back from first contact site, 211 rear ends and be retained on first holding parts 212 on the main part 11, can be soldered to first afterbody 214 on the circuit board and connect first holding parts 212 and first connecting portion 213 of first afterbody 214, two first connecting portions, 213 self-corresponding first holding parts, 212 rear ends respectively along the left and right sides and along in opposite directions away from direction bending extend, self-corresponding respectively first connecting portion 213 bending downwards of two first afterbodys 214 is extended, and two first afterbodys 214 lay respectively at the both sides of accepting groove 110, like this, distance between two first afterbodys 214 will be widened, and greater than the distance between two first contact sites 211, when being assembled in optical fiber module 3 on the insulating body 1, the extension 32 of optical fiber module 3 can be directly from passing between two first afterbodys 214 being retained in the accepting groove 110, thereby make that optical fiber module 3 is easy to assembly.On two first afterbodys 214 one-body molded have extend relatively along the left and right sides and become tabular those widened sections 215, this two those widened sections 215 is positioned at the below of accepting groove 110 and is housed on the holding slot 111 of main part 11 rear ends, and the below of this two those widened sections 215 supports above 13 rear ends, support portion, therefore, two those widened sections 215 are clamped between optical fiber module 3 and the support portion 13, thereby those widened sections 215 can be retained on the insulating body 1 better.Because the distance between two first afterbodys 214 is widened, make the electrostatic capacitance between two difference signal terminal 21 reduce, thereby make the differential impedance that produces between two difference signal terminal 21 uprise, and the tabular those widened sections 215 of first afterbody 214 by being provided with of two difference signal terminal 21, can promote the electrostatic capacitance between two difference signal terminal 21, improve the differential impedance that produces between two difference signal terminal 21, thereby improve the transport property of connector 100, and the width of those widened sections 215 can be adjusted according to actual needs on first afterbody 214, convenient control.Power supply terminal 22 comprises second contact site 221 that is retained on the hyoplastron 12, extends back from second contact site, 221 rear ends and is retained on second holding parts 222 on the main part 11, can be soldered to second afterbody 224 on the circuit board and connect second holding parts 222 and second connecting portion 223 of second afterbody 224, second connecting portion 223 is bending extension backward again after the rear end of second holding parts 222 bends to the right, and second afterbody 224 bends extension downwards from the rear end of second connecting portion 223.Ground terminal 23 comprises the 3rd contact site 231 that is retained on the hyoplastron 12, extends back from the 3rd contact site 231 rear ends and is retained on the 3rd holding parts 232 on the main part 11, can be soldered to the 3rd afterbody 234 on the circuit board and connect the 3rd holding parts 232 and the 3rd connecting portion 233 of the 3rd afterbody 234, the bending extension backward after the Hou end bending left of the 3rd holding parts 232 of the 3rd connecting portion 233, the 3rd afterbody 234 bends extension downwards from the rear end of the 3rd connecting portion 233.

It is outer to play shield effectiveness well that shell 4 is coated on insulating body 1.Thereby back up pad 13 supports the excessive deformation that can prevent shell 4 below shell 4, and the rear end, the left and right sides of shell 4 is provided with hole clipping 41.Baffle 5 is provided with a pair of retaining sheet 51 that extends forward, retaining sheet 51 is provided with the fixture block 511 that is held in the hole clipping 41, thereby baffle 5 is retained on the shell 4 well, the upper end of baffle 5 is extended with the bent sheet 52 in the draw-in groove 112 that is held in insulating body 1 forward, thereby baffle 5 is retained on the insulating body 1 well, and the lower ends downward of baffle 5 is extended with the fixing pin 53 that is retained on the circuit board.This baffle 5 is close to the rear of two difference signal terminal, 21 first afterbodys 214, can improve the differential impedance between two difference signal terminal 21 equally, realizes the further raising of connector transport property.

In sum, it below only is preferred embodiment of the present utility model, should not limit scope of the present utility model with this, be that every simple equivalent of being done according to the utility model claims and utility model description changes and modifies, all should still belong in the scope that the utility model patent contains.

Claims

1. connector, it comprises insulating body, be retained on the conducting terminal on the insulating body and be retained on the insulating body and in order to carry out the optical fiber module of optical signal transmission, described insulating body comprises the hyoplastron that main part and autonomous body extend forward, described conducting terminal comprises a pair of adjacent difference signal terminal, described two difference signal terminal include first contact site that is retained on the hyoplastron, extend and be retained on first holding parts on the main part from first contact site, can be soldered to first afterbody on the circuit board, and first connecting portion that connects first holding parts and first afterbody, it is characterized in that: the distance between described two first afterbodys is greater than the distance between two first contact sites, described optical fiber module is between two first afterbodys, and described first afterbody is provided with tabular those widened sections.

2. connector as claimed in claim 1, it is characterized in that: the self-corresponding respectively first contact site rear end of described two first holding parts extends back, the not self-corresponding first holding parts rear end of described two the first pontes along the left and right sides and along in opposite directions away from direction bending extend, self-corresponding first connecting portion of described first afterbody bends extension downwards.

3. connector as claimed in claim 2 is characterized in that: the formation that extends internally relatively in the left and right sides, the first afterbody upper edge of correspondence respectively of described two those widened sections, described optical fiber module is between first connecting portion and those widened sections.

4. connector as claimed in claim 3 is characterized in that: the rear end of described insulating body main part is provided with the holding slot of accommodating those widened sections.

5. connector as claimed in claim 1 is characterized in that: the main part of described insulating body is provided with the accepting groove of up-winding fiber module, and described two first afterbodys are positioned at the left and right sides of accepting groove, and described those widened sections is positioned at the below of accepting groove.

6. connector as claimed in claim 1 is characterized in that: the reference column that the front end of described optical fiber module is provided with lens and is positioned at the lens both sides and extends forward.

7. connector as claimed in claim 1 is characterized in that: arranging of described conducting terminal meets USB 2.0 transmission standards, and conducting terminal also comprises power supply terminal and the ground terminal that lays respectively at two difference signal terminal both sides.

8. connector as claimed in claim 1 is characterized in that: described connector also comprises the shell of coated insulation body and is positioned at the insulating body rear and is held in baffle on the shell.

9. connector as claimed in claim 8, it is characterized in that: the rear end of described insulating body is provided with draw-in groove, and described baffle is provided with the retaining sheet that is held in the shell left and right sides, be held in the bent sheet in the draw-in groove and extend to be retained on the fixing pin on the circuit board downwards.

10. connector as claimed in claim 8 is characterized in that: the main part below one of described insulating body is extended with a back up pad that supports below shell, and the below of described those widened sections supports above back up pad.