CN201430283Y

CN201430283Y - Electric connector

Info

Publication number: CN201430283Y
Application number: CN2009201592720U
Authority: CN
Inventors: 林瞱熙; 赖俊铭; 颜铭辉; 邱文达
Original assignee: QUANXIN CO Ltd
Current assignee: QUANXIN CO Ltd; Chant Sincere Co Ltd
Priority date: 2009-06-23
Filing date: 2009-06-23
Publication date: 2010-03-24
Anticipated expiration: 2019-06-23

Abstract

The utility model relates to an electric connector, comprising a metal case, an insulation rubber core and a plurality of contactors; wherein the metal case satisfies general sequence bus plug, the insulation rubber core is provided in the metal case and composed of a first rubber core and a second rubber core which form a plurality of independent grooves together, the contactors are contained inthe grooves, the contactors comprise a first signal differential couple, a second signal differential couple and a third signal differential couple, the first and the third signal differential couplesare arranged at two sides of the second signal differential couple, and each two differential couples are isolated from each other via a power contactor or a ground contactor.

Description

Electric connector

Technical field

The utility model relates to a kind of connector of electronic installation, and particularly relevant for a kind of universal serial bus (Universal Serial Bus, USB) connector.

Background technology

Universal serial bus is one of present computer installation popular interface connected to one another, and its specification is upgraded to USB 2.0 from USB1.0/1.1, then is upgraded to the USB 3.0 that is about to appearance again.The upgrading of coffret can increase transmission speed, the frequency of bus inner contact, but the connector of also necessary backward compatible USB 2.0 of the connector of USB 3.0 and USB 1.0/1.1.How to make that the connector of USB 3.0 overcomes at a high speed, during the high rate transmission effects such as issuable cross-talk be coupling manufacturer one of the problem that must overcome.

The utility model content

Therefore the purpose of this utility model is providing a kind of electric connector exactly.

According to above-mentioned purpose of the present utility model, a kind of electric connector is provided, it comprises metal shell, insulating cement core and a plurality of contact.Metal shell meets universal serial bus plug pattern.The insulating cement core is positioned at metal shell and is combined by first and second glue core, and defines a plurality of grooves separated from one another jointly.A plurality of contacts are contained in respectively in those grooves, it is differential differential to differential right with the 3rd signal to, secondary signal that those contacts comprise first signal, first signal is differential to differential to both sides in secondary signal with the differential contraposition of the 3rd signal, and each differential between given by a power supply contact or ground contact and to isolate.

According to the utility model one embodiment, those contacts all have the surface adhesive type pin.

According to the utility model one embodiment, one of them has those grooves first and second glue core.

According to the utility model one embodiment, the part contact has the surface adhesive type pin, and the part contact has the through-hole type pin in addition.

According to the utility model one embodiment, first and second glue core has those grooves respectively, and those grooves of the first glue core all do not align mutually with those grooves of the second glue core.

According to the utility model one embodiment, those contacts with surface adhesive type pin are contained in those grooves of the first glue core respectively, and those contacts with through-hole type pin are contained in those grooves of the second glue core respectively.

According to the utility model one embodiment, those contacts with surface adhesive type pin are USB 3.0 contacts, and those contacts with through-hole type pin are USB 2.0 contacts.

According to the utility model one embodiment, those surface adhesive type pins and those through-hole type pins intert alternately to be arranged.

According to the utility model one embodiment, first signal is differential to differential to being that the signal of USB 3.0 is differential right with the 3rd signal, and first signal differential between have a USB 2.0 power supply contacts, the 3rd signal differential between have a USB 2.0 ground contacts.

According to the utility model one embodiment, secondary signal is differential to being that the signal of USB 2.0 is differential right, and the signal of USB 2.0 differential between have a USB 3.0 ground contacts.

Description of drawings

For above-mentioned and other purpose of the present utility model, feature, advantage and embodiment can be become apparent, appended the description of the drawings is as follows:

Fig. 1 is the explosive view that illustrates according to a kind of universal serial bus plug of the utility model one embodiment;

Fig. 2 is that the universal serial bus plug that illustrates Fig. 1 is assembled the stereogram of finishing;

Fig. 3 is the explosive view that illustrates according to a kind of universal serial bus plug of another embodiment of the utility model;

Fig. 4 is that the universal serial bus plug that illustrates Fig. 3 is assembled the state of finishing;

Fig. 5 is the end view that illustrates the universal serial bus plug of Fig. 2;

Fig. 6 is the opposite side view that illustrates the universal serial bus plug of Fig. 2;

Fig. 7 is the end view that illustrates the universal serial bus plug of Fig. 4;

Fig. 8 is the opposite side view that illustrates the universal serial bus plug of Fig. 4.

[primary clustering symbol description]

100: electric connector 200: electric connector

101: metal shell 201: metal shell

102: insulating cement core 202: the insulating cement core

102a: groove 204: insulating cement core

104: insulating cement core 204b: groove

104a: groove 206:USB 3.0 crosspoint arrays

106:USB 3.0 crosspoint array 206a～206e:USB 3.0 contacts

106a～106e:USB 3.0 contact 208:USB 2.0 crosspoint arrays

108:USB 2.0 crosspoint array 208a～208d:USB 2.0 contacts

108a～108d:USB 2.0 contacts 220: surface adhesive type pin

120a: surface adhesive type pin 222: printed circuit board (PCB)

120b: through-hole type pin 224: reference column

Embodiment

As mentioned above, the utility model provides a kind of universal serial bus (Universal SerialBus, USB) connector, interference that cross-talk when the improvement design of its crosspoint array of mat effectively lowers high-speed transfer (crosstalk) causes of improvement.Below the details of connector will be described by embodiment.

Please refer to Fig. 1, it illustrates the explosive view according to a kind of universal serial bus plug of the utility model one embodiment.This USB connector plug 100 comprises parts such as metal shell 101, insulating cement core 102,104 and crosspoint array.The crosspoint array of this USB connector plug 100 is divided into USB 3.0 crosspoint arrays 106 and USB 2.0 crosspoint arrays 108, thus can with the socket compatibility of USB 2.0.Specifically, when the front end of USB connector plug 100 inserted USB 2.0 sockets, wherein USB 2.0 crosspoint arrays 108 can connect respectively with corresponding crosspoint array in USB 2.0 sockets.

USB 3.0 crosspoint arrays 106 comprise two couples of signals differential contact and ground contact 106c to (differential pair), signal contact (106a; Be that a pair of signal is differential right 106b), signal contact (106d; Be that another is differential right to signal 106e).It is differential to (108b that USB 2.0 crosspoint arrays comprise a pair of signal; 108c), a ground contact (108d) and power supply contact (108a).In the accompanying drawing of this case, signal is differential represents with S that to (or signal contact) power supply contact represents that with V ground contact is represented with G.

All crosspoint arrays all are positioned at the groove 104a of insulating cement core 102,104 to small part, make and can effectively insulate each other between contact.When insulating cement core 102,104 makes up up and down, and crosspoint array all is positioned at groove 104a, and when being coated in the metal shell 101, just as the state of Fig. 2.When metal shell 101 ground connection, has the shielding action of noise.

When 100 assemblings of USB connector plug were finished, signal was differential to (106a; 106b) differential to (106d with signal; It is differential to (108b 106e) to be positioned at signal; Both sides 108c).Signal is differential to (106a; Isolated by power supply contact (108a) 106b).Signal is differential to (108b; Being grounded contact 106c 108c) isolates.Signal is differential to (106d; Being grounded contact (108d) 106e) isolates.

Please refer to Fig. 3, it illustrates the explosive view according to a kind of universal serial bus plug of another embodiment of the utility model.The embodiment of Fig. 3 and the main difference of the embodiment of Fig. 1 are different the pin form.This USB connector plug 200 comprises parts such as metal shell 201, insulating cement core 202,204 and crosspoint array.The crosspoint array of this USB connector plug 200 is divided into USB 3.0 crosspoint arrays 206 and USB 2.0 crosspoint arrays 208, thus can with the socket compatibility of USB 2.0.Specifically, when the front end of USB connector plug 200 inserted USB 2.0 sockets, wherein USB 2.0 crosspoint arrays 208 can connect respectively with corresponding crosspoint array in USB 2.0 sockets.

USB 3.0 crosspoint arrays 206 comprise two couples of signals differential contact and ground contact 206c to (differential pair), signal contact (206a; Be that a pair of signal is differential right 206b), signal contact (206d; Be that another is differential right to signal 206e).It is differential to (208b that USB 2.0 crosspoint arrays 208 comprise a pair of signal; 208c), a ground contact (208d) and power supply contact (208a).In the accompanying drawing of this case, signal is differential represents with S that to (or signal contact) power supply contact represents that with V ground contact is represented with G.

All crosspoint arrays (206; 208) all be positioned at the groove 204b of insulating cement core 202,204, make and effectively to insulate each other between contact to small part.When insulating cement core 202,204 makes up up and down, and crosspoint array all is positioned at groove 204b, and coats when going up metal shell 201, just as the state of Fig. 4.When metal shell 201 ground connection, has the shielding action of noise.

When 200 assemblings of USB connector plug were finished, signal was differential to (206a; 206b) differential to (206d with signal; It is differential to (208b 206e) to be positioned at signal; Both sides 108c).Signal is differential to (206a; Isolated by power supply contact (208a) 206b).Signal is differential to (208b; Being grounded contact 206c 208c) isolates.Signal is differential to (206d; Being grounded contact (208d) 206e) isolates.

Please refer to Fig. 5,6, it illustrates the end view at two visual angles of the universal serial bus plug of Fig. 2 respectively.Crosspoint array 106 has surface adhesive type pin 120a, and crosspoint array 108 has through-hole type pin 120b, and surface adhesive type pin 120a and the interspersed alternately arrangement of through-hole type pin 120b.When above-mentioned two kinds of pins were welded in a circuit substrate 122, surface adhesive type pin 120a was pasted on the substrate, and through-hole type pin 120b then passes the through hole on the substrate.Above-mentioned design (surface adhesive type pin and through-hole type pin alternately intert arrange) helps that distance widens between the two adjacent pin, and reduces the cross-talk between the crosspoint array.In addition, crosspoint array 106 lays respectively in a plurality of groove 102a of insulating cement core 102, and crosspoint array 108 lays respectively in the groove 104a of insulating cement core 104, and groove 102a does not all align mutually with groove 104a.

(be not illustrated in drawing) in other embodiments, crosspoint array 106 has the through-hole type pin, and crosspoint array 108 has the surface adhesive type pin, and surface adhesive type pin and the interspersed alternately arrangement of through-hole type pin.

Please refer to Fig. 7,8, it illustrates the end view at two visual angles of the universal serial bus plug of Fig. 4 respectively.All crosspoint arrays all have the surface adhesive type pin.When above-mentioned pin was welded in a circuit substrate 222, the surface adhesive type pin was pasted on the substrate.In addition, all contacts lay respectively in a plurality of groove 204b of insulating cement core 204, and insulating cement core 202 does not have groove.(be not illustrated in drawing) in other embodiments, insulating cement core 204 does not have groove, and insulating cement core 202 has a plurality of grooves, also all crosspoint arrays can be contained in the groove respectively.

By above-mentioned the utility model embodiment as can be known, use the arrangement design of the plug connector array of USB connector of the present utility model, it is differential to transmission efficiency to promote signal, reduce the cross-talk between the crosspoint array, this design is particularly important to high speed, high-frequency transmission or crosspoint array and the printed circuit board (PCB) coupling part of USB 3.0.

Though the utility model discloses as above with execution mode; right its is not in order to limit the utility model; any person skilled in the art; in not breaking away from spirit and scope of the present utility model; when being used for a variety of modifications and variations, therefore protection range of the present utility model is when being as the criterion with the scope that claims were defined.

Claims

1, a kind of electric connector is characterized in that, comprises:

One metal shell is for meeting universal serial bus plug pattern;

One insulating cement core is positioned at this metal shell and is combined by first and second glue core, and defines a plurality of grooves separated from one another jointly; And

A plurality of contacts are contained in respectively in those grooves, and those contacts comprise:

First signal is differential differential to differential right with the 3rd signal to, secondary signal, and this first signal is differential to differential to both sides in this secondary signal with the differential contraposition of the 3rd signal, and each this differential between given by a power supply contact or ground contact and to isolate.

2, electric connector according to claim 1 is characterized in that, those contacts all have the surface adhesive type pin.

3, electric connector according to claim 2 is characterized in that, one of them has those grooves this first and second glue core.

4, electric connector according to claim 1 is characterized in that, this contact of part has the surface adhesive type pin, and this contact of part has the through-hole type pin in addition.

5, electric connector according to claim 4 is characterized in that, this first and second glue core has those grooves respectively, and those grooves of this first glue core all do not align mutually with those grooves of this second glue core.

6, electric connector according to claim 5 is characterized in that, those contacts with surface adhesive type pin are contained in those grooves of this first glue core respectively, and those contacts with through-hole type pin are contained in those grooves of this second glue core respectively.

7, electric connector according to claim 6 is characterized in that, those contacts with surface adhesive type pin are USB 3.0 contacts, and those contacts with through-hole type pin are USB 2.0 contacts.

8, electric connector according to claim 6 is characterized in that, those surface adhesive type pins and those through-hole type pins intert alternately to be arranged.

9, electric connector according to claim 1, it is characterized in that, this first signal is differential to differential to being that the signal of USB 3.0 is differential right with the 3rd signal, and this first signal differential between have a USB 2.0 power supply contacts, the 3rd signal differential between have a USB 2.0 ground contacts.

10, electric connector according to claim 1 is characterized in that, this secondary signal is differential to being that the signal of USB 2.0 is differential right, the signal of this USB 2.0 differential between have a USB 3.0 ground contacts.