CN201773195U

CN201773195U - Connector

Info

Publication number: CN201773195U
Application number: CN2009203126769U
Authority: CN
Inventors: 何家勇; 郑启升
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: 2009-10-19
Filing date: 2009-10-19
Publication date: 2011-03-23
Anticipated expiration: 2019-10-19

Abstract

The utility model relates to a connector which comprises an insulating body, a conductive terminal fixed on the insulating body, an optical fiber device used for optical signal transmission, and a metal elastic piece clamped between the optical fiber device and the insulating body, wherein the insulating body comprises a main body part and a tongue plate which extends in a convex way forwards from the main body part; the conductive terminal comprises a signal terminal and an earthing terminal; the optical fiber device is arranged on the insulating body and can slide back and forth; and the elastic piece is electrically connected with the earthing terminal. The connector reduces the signal crosstalk between the elastic piece and the signal terminal and improves the signal transmission quality.

Description

Connector

[technical field]

The relevant a kind of connector of the utility model relates in particular to a kind of connector with signal terminal and ground terminal.

[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, relevant manufacturer is still in the transfer rate that constantly improves USB hardy, but had at present the USB connector of a kind of transmission optics signal with further raising transfer rate, this connector to generally include insulating body, be fixed on conducting terminal on the insulating body, in order to the fiber device that carries out optical delivery and be clamped in insulating body and fiber device between spring.This USB connector is in docking operation, and fiber device slides backward and compression spring, docks thereby make this USB connector can produce with the butt connector that has fiber device equally.Yet spring produces signal to conducting terminal and disturbs, and promptly is easy to generate signal between spring and the conducting terminal and crosstalks, and has influenced the high-frequency signals transmission quality of connector.

So, be necessary to design a kind of connector to solve the problems of the technologies described above.

[utility model content]

Technical problem to be solved in the utility model is to provide a kind of connector that reduces signal cross-talk.For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of connector, it comprises insulating body, be retained on conducting terminal on the insulating body, in order to the fiber device that carries out optical signal transmission and be clamped in fiber device and insulating body between metallic elastic spare, described insulating body comprises the hyoplastron that main part and autonomous body protrude out forward, described conducting terminal comprises signal terminal and ground terminal, described fiber device is located on the insulating body and can be slided along fore-and-aft direction, and described elastic component and ground terminal electrically connect.

Compared to prior art, the utility model connector has reduced the signal cross-talk between elastic component and the signal terminal because elastic component and ground terminal electrically connect, and has improved the signal transmitting quality of connector.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model connector.

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

Fig. 3 is the part three-dimensional exploded view of Fig. 2.

Fig. 4 is the part three-dimensional combination figure of another angle of Fig. 2.

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

Fig. 6 is the part three-dimensional exploded view of another angle of Fig. 5.

[embodiment]

Please refer to Fig. 1 to shown in Figure 6, the utility model connector 100 is the USB plug connector, in order to be plugged in the butt joint socket connector, it comprises insulating body 1, be retained on the plurality of conductive terminals 2 on the insulating body 1, be located at the slip fiber device 3 on the insulating body 1, be clamped in the elastic component 4 between insulating body 1 and the fiber device 3, be fixed on the Metal Flake web member 5 on the insulating body 1, be retained on the pedestal 6 on the insulating body 1, the locating piece 7 that matches with pedestal 6, the shell 8 of coated insulation body 1 and upper casing 9, be centered around the cable 102 of external insulation layer 10 to be connected with conducting terminal 2 and fiber device 3 of metal shell 8 and metal upper casing 9 peripheries, elastic component 4 is set to the spring that is bent to form from a Metallic rod.

Insulating body 1 comprises the hyoplastron 12 that main part 11 and autonomous body 11 front ends protrude out forward.Main part 11 tops are provided with two locating slots 111 that extend through main part 11 forward, in order to the optical fiber 35 of up-winding fiber device 3.The rear end, top of main part 11 is provided with some holding slots 112 in order to fixed conductive terminals 2, and the below of main part 11 is provided with the pickup groove 113 that is fixed with a pedestal 14.The fluting 122 that the top of hyoplastron 12 is concaved with an accepting groove 121 and extends back from accepting groove 121 tops, insulating body 1 comprises the tabular collets 13 that are fixed in the fluting 122, collets 13 front ends are around in the top of accepting groove 121.Form first groove 114 between collets 13 rear ends and the main part 11, the outside, collets 13 rear ends is provided with first opening 134 that connects from first groove 114 downwards, 122 diapires of slotting are provided with the recess 123 with first opening, 134 belows, collets 13 tops are concaved with from first groove, 114 vertical second grooves 135 that extend forward, the madial wall that collets 13 front ends offer from second opening, 136, the second openings, 136 rear ends that second groove 135 connects downwards is provided with buckle slot 137.Accepting groove 121 madial walls are provided with the reference column 1211 that protrudes into forward in the accepting groove 13, and elastic component 4 rear ends are set on the reference column 1211, and locating slot 111 further extends to accepting groove 121 forward and is arranged with on fluting 122 diapires.

The front end centre position of hyoplastron 12 extends upward and forms a front wide and rear narrow stop block that roughly takes the shape of the letter U 124, and the below of hyoplastron 12 is provided with one and ranked first terminal groove 127 and be positioned at one of the first terminal groove 127 rear ends and ranked second terminal groove 128.

Arranging of conducting terminal 2 meets USB 3.0 transmission standards, it comprises the first terminal 21 and second terminal 22, arranging of the first terminal 21 meets the USB2.0 transmission standard, the first terminal 21 comprises first ground terminal 23, power supply terminal 24 and comprises that at first pair of difference signal terminal, 25, the second terminals 22 between first ground terminal 23 and the power supply terminal 24 second pair of difference signal terminal 26, the 3rd pair of difference signal terminal 27 reach second ground terminal 28 between the second pair of difference signal terminal 26 and the 3rd pair of difference signal terminal 27.First, second, third pair of difference signal terminal 25,26,27 common formation signal terminal.

First afterbody 213 that the first terminal 21 comprises flat first contact site 211, electrically connect with cable 10 and be connected first contact site 211 and first holding parts 212 of first afterbody 213.Second afterbody 223 that second terminal 22 comprises elasticity second contact site 221, be retained in insulating body 1 holding slot 112 and electrically connect with cable 10 and be connected second contact site 221 and second holding parts 222 of second afterbody 223.This first contact site 211 is housed in the first terminal groove 127, second contact site 221 is housed in second terminal groove 128, thereby make win contact site 211 and second contact site 221 be positioned at the below of hyoplastron 12 jointly and form before and after two rows that arrange, first holding parts 212 is retained on the main part 11 of insulating body 1, wherein first holding parts 212 of first ground terminal 23 is exposed in hyoplastron 12 recesses 123, pedestal 6 offers the groove 61 of fixing second holding parts 222, thereby locating piece 7 matches with pedestal 6 and second terminal 22 can be fixed in the insulating body 1 better.In other embodiments, this first terminal 21 can be inlayed to bury and be molded in the insulating body 1, and this second terminal 22 can be inlayed earlier to bury and together be assembled on the insulating body 1 with pedestal 6 after being molded on the pedestal 6 again.

Fiber device 3 is housed in the accepting groove 121 of insulating body 1 hyoplastron 12 slidably, and it comprises pedestal 30 and be installed in optical fiber 35 on the pedestal 30 that the front end centre position of pedestal 30 is provided with stop block 124 and matches and front wide and rear narrow U-shaped depression 32.Pedestal 30 be respectively equipped with lens 33 in depression 32 the left and right sides and be installed in lens 33 rear ends and with the optical fiber 35 of lens 33 optically-coupled, so that the high-speed optical signal transmission to be provided.Though in Figure of description, only demonstrated two lens 33, pedestal 30 the both sides of two lens 33 be provided with pilot hole 34 with dock socket connector (not shown) on cylinder connect, thereby make the center line complete matching of pin connector and socket connector, guarantee the quality of optical signal transmission.But in other embodiments, pedestal 30 also can be provided with a pair of lens 33 or more lens 33 in the left and right sides of depression 32 respectively.The rear end of pedestal 30 is provided with the projection 36 of projection backward, and the front end sleeve of elastic component 4 is located on the projection 36.Collets 13 front ends offer the opening 130 of accommodating elastic component 4 tops, avoid elastic component 4 to rub mutually with collets 13 bottom surfaces in telescopic process.Optical fiber 35 is contained in insulating body 1 locating slot 111, and in pedestal 30 sliding processes, optical fiber 35 slides in locating slot 111 simultaneously.

Web member 5 is to form from a sheet metal punching press, and it comprises first connecting portion 51 of horizontal sheet, from vertically extending forward second connecting portion 52 of first connecting portion 51, from first connecting portion 51 bending downwards and the elastic 53 that tilt to extend and the abutting part 54 that bends extension from second connecting portion, 52 front ends downward vertically.First, second connecting

portion

51,52 is between elastic 53 and abutting part 54.First connecting portion 51 is fixed in first groove 114 and is prevented from moving along fore-and-aft direction, second connecting portion 52 is fixed in second groove 135, be prevented from moving along left and right directions, elastic 53 is passed down through collets 13 first openings 134 and enters and be pressed in hyoplastron 12 recesses 123 on first ground terminal, 23 first holding parts 212, abutting part 54 bottoms are provided with the recess 55 that is set on the elastic component 4, form ground loop by web member 5 between the elastic component 4 and first ground terminal 23, thereby elastic component 4 and signal terminal 25 have been reduced, 26, signal cross-talk between 27 has improved the signal transmitting quality of connector 100.In other embodiments, the web member elastic can be pressed on second ground terminal, also can reduce the signal cross-talk between elastic component and the signal terminal, improves the signal transmitting quality of connector.Certainly, web member can be fixed or be one-body molded at elastic component or first, second ground terminal at least on one of them.

Shell 8 and upper casing 9 common coated insulation bodies 1 are to play shield effectiveness well.Shell 8 comprises the roof 81 that coats hyoplastron 12 tops, the diapire 73 relative with roof 81 and the two side 82 that connects roof 81 and diapire 83.

When the pin connector insertion had the butt joint socket connector of corresponding fiber device, this fiber device 3 can slide in accepting groove 121 backward.After pin connector is extracted, pedestal 30 under the acting force of elastic component 4 to front slide, last stop block 124 supports in the depression 32 of pedestal 30 front ends, one side stop block 124 is positioned at fiber device 3 front ends and can prevents that fiber device 3 from skidding off accepting groove 121 forward, on the other hand, thus stop block 124 matches with depression 32 on the fiber device 3 and can prevent fiber device 3 rocking on left and right directions.Fiber device 3 is returned to virgin state better, and can in docking operation, not be offset, thereby when making things convenient for connector 100 to insert socket connector once more, fiber device corresponding on the fiber device 3 on the connector 100 and the socket connector accurately docks.

Described connector 100 comprises the metal connecting piece of being located on the insulating body 15, and web member 5 electrically connects with elastic component 4 and ground terminal 23 respectively.

Described web member 5 is provided with the recess 55 that is set on the elastic component 4 and is pressed on elastic 53 on the ground terminal 23.

Described insulating body 1 comprises the collets 13 that are fixed between web member 5 and the elastic component 4, collets 13 front ends offer first opening 134 of up/down perforation, the two side of first opening, 134 rear ends offers buckle slot 137, described elastic component 4 is provided with the abutting part 54 that fixes with buckle slot 137, abutting part 54 is stoped on elastic component 4 flexible directions mobile by buckle slot 137, described recess 55 is located on the abutting part 55.

Described hyoplastron 12 tops are concaved with the accepting groove 121 of up-winding fiber device 3 and elastic component 4 and the fluting 122 that extends back from accepting groove 121 tops, insulating body 1 comprises the collets 13 that are fixed in the fluting 122, collets 13 front ends are around in accepting groove 121 tops, and described web member 5 is insulated piece 13 and main part 11 is fixing jointly.

Described web member 4 is set to schistose texture, web member 5 comprises that first connecting portion 51 reaches from vertically extending forward second connecting portion 52 of first connecting portion 51, be formed with first groove 114 of fixing first connecting portion 51 between collets 13 and the main part 11, collets 13 tops are provided with from vertical second grooves 135 that extend forward of first groove 114 and from first opening, 134, the second connecting portions 52 that first groove 114 extends downward fluting 122 and are fixed in second groove 135.

Described web member 5 is provided with from first connecting portion 51 and extends downwards and be pressed on the elastic 53 on the ground terminal and extend downwards and be connected between elastic 53 and the abutting part 54 with abutting part 54, the first connecting portions 51 and second connecting portion 52 that elastic component 4 connects from second connecting portion 52.

Described hyoplastron 12 is provided with from 122 recesses 123 that extend downwards of slotting, ground terminal 22 has and insulating body 1 holding parts 222 of fixing mutually, holding parts 222 is exposed in the recess 123, and described web member 5 extends into the elastic that further is pressed in the recess on the ground terminal 22 after being provided with and being passed down through first opening 134.

Arranging of described conducting terminal 2 meets the USB3.0 transmission standard, it comprises the first terminal 21 and second terminal 22, described the first terminal 21 comprises tabular first contact site 211 that is positioned at hyoplastron 12 belows, described second terminal 22 comprises elasticity second contact site 221 that is positioned at hyoplastron 12 belows and is positioned at first contact site, 211 rears, arranging of the first terminal 21 meets the USB2.0 transmission standard, the first terminal 21 comprises first ground terminal 23, power supply terminal 24 and first pair of difference signal terminal 25 between first ground terminal 23 and power supply terminal 24, second terminal 22 comprises second pair of difference signal terminal 26, the 3rd pair of difference signal terminal 27 and second ground terminal 28 between the second pair of difference signal terminal 26 and the 3rd pair of difference signal terminal 27, described elastic component 4 is at least with first, second ground terminal 23,28 one of them electrical contact.

Described hyoplastron 12 is provided with and is positioned at fiber device 3 front ends in order to limit fibre device 3 excessive stop blocks 125 to front slide, fiber device 3 comprises pedestal 30 and is installed in optical fiber 35 on the pedestal 30, described pedestal 30 is provided with and the lens 33 of optical fiber 35 optically-coupled and the pilot hole 34 that is positioned at lens 33 both sides, and elastic component 4 is set to the spring that is bent to form from a Metallic rod.

Claims

1. connector, it comprises insulating body, be retained on conducting terminal on the insulating body, in order to the fiber device that carries out optical signal transmission and be clamped in fiber device and insulating body between metallic elastic spare, described insulating body comprises the hyoplastron that main part and autonomous body protrude out forward, described conducting terminal comprises signal terminal and ground terminal, described fiber device is located on the insulating body and can be slided along fore-and-aft direction, it is characterized in that: described elastic component and ground terminal electrically connect.

2. connector as claimed in claim 1 is characterized in that: described connector comprises the metal connecting piece of being located on the insulating body, and described web member electrically connects with elastic component and ground terminal respectively.

3. connector as claimed in claim 2 is characterized in that: described web member is provided with and is set in the recess on the elastic component and is pressed on elastic on the ground terminal.

4. connector as claimed in claim 3, it is characterized in that: described insulating body comprises the collets that are fixed between web member and the elastic component, the collets front end offers first opening of up/down perforation, the two side of first open back end offers buckle slot, described elastic component is provided with the abutting part that fixes with buckle slot, abutting part is stoped on the flexible direction of elastic component mobile by buckle slot, described recess is located on the abutting part.

5. connector as claimed in claim 2, it is characterized in that: described hyoplastron top is concaved with the accepting groove of up-winding fiber device and elastic component and the fluting that extends back from the accepting groove top, insulating body comprises the collets that are fixed in the fluting, the collets front end is around in the accepting groove top, and described web member is insulated piece and main part is fixing jointly.

6. connector as claimed in claim 5, it is characterized in that: described web member is set to schistose texture, web member comprises that first connecting portion reaches from vertically extending forward second connecting portion of first connecting portion, be formed with first groove of fixing first connecting portion between collets and the main part, the collets top is provided with from vertical second groove that extends forward of first groove and reaches first opening that extends downward fluting from first groove, and second connecting portion is fixed in second groove.

7. connector as claimed in claim 6, it is characterized in that: described web member is provided with the abutting part that extends and be pressed on the elastic on the ground terminal and extend downwards and connect with elastic component from second connecting portion from first connecting portion downwards, and first connecting portion and second connecting portion are connected between elastic and the abutting part.

8. connector as claimed in claim 6, it is characterized in that: described hyoplastron is provided with the recess that extends from fluting downwards, ground terminal has and the insulating body holding parts of fixing mutually, holding parts is exposed in the recess, and described web member extends into the elastic that further is pressed in the recess on the ground terminal after being provided with and being passed down through first opening.

9. as any one described connector of claim 1 to 8, it is characterized in that: arranging of described conducting terminal meets the USB3.0 transmission standard, it comprises the first terminal and second terminal, described the first terminal comprises tabular first contact site that is positioned at the hyoplastron below, described second terminal comprises elasticity second contact site that is positioned at the hyoplastron below and is positioned at the first contact site rear, arranging of the first terminal meets the USB2.0 transmission standard, the first terminal comprises first ground terminal, power supply terminal and first pair of difference signal terminal between first ground terminal and power supply terminal, second terminal comprises second pair of difference signal terminal, the 3rd pair of difference signal terminal and second ground terminal between the second pair of difference signal terminal and the 3rd pair of difference signal terminal, described elastic component is at least with first, one of them the electrical contact of second ground terminal.

10. connector as claimed in claim 1, it is characterized in that: described hyoplastron be provided be positioned at the fiber device front end in order to the limit fibre device excessively to the stop block of front slide, fiber device comprises pedestal and is installed in optical fiber on the pedestal, described pedestal is provided with and the lens of optical fiber optically-coupled and the pilot hole that is positioned at the lens both sides, and elastic component is set to the spring that is bent to form from a Metallic rod.