CN201230095Y

CN201230095Y - Electric connector

Info

Publication number: CN201230095Y
Application number: CNU2008200348734U
Authority: CN
Inventors: 何家勇; 郑启升; 顾浩
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: 2008-04-21
Filing date: 2008-04-21
Publication date: 2009-04-29
Anticipated expiration: 2018-04-21

Abstract

The utility model relates to an electric connector, which comprises a first body and a first terminal set; wherein, the first body comprises a main body and a tongue piece extended from the main body; and the first terminal set comprises first upright parts, first horizontal parts arranged on the tongue piece, and first contact parts extended from the horizontal parts. The electric connector also comprises a second terminal set which comprises second contact parts arranged on the tongue piece. The first upright parts are located in a first plane; the first horizontal parts are located in a second plane parallel to the first plane; and the first and the second contact parts are staggered along the length direction of the tongue piece. The addition of the second terminal set increases the signal transmission rate of the electric connector.

Description

Electric connector

[technical field]

The utility model is relevant a kind of electric connector, relates in particular to a kind of electric connector that improves signal transmission rate.

[background technology]

(Universal Serial Bus, USB) interface has been widely used in numerous electronic equipments as a kind of input/output interface of standard USB.1994,7 tame world-renowned computers 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, USB association has issued versions such as 1.0,1.1 and 2.0.

Above-mentioned USB 1.0,1.1,2.0 versions are supported following three kinds of transmission rates respectively: (1), low-speed mode transmission rate are 1.5 MBPSs, are used for keyboard and mouse more; (2), mode transfer speed is 12 MBPSs at full speed; (3), the fast mode transmission rate is 480 MBPSs.Yet along with the development of electronics industry, even the transmission rate of USB 2.0 can not satisfy some demand, for example, when transmission of audio or video file, in order to guarantee signal transmission quality, transmission rate is often up to 1G to 2G per second (1G=1000 megabit).Two other class interfaces in the electric connector field have obviously surpassed USB 2.0 interfaces as the transmission rate of PCI-E (transmission rate can reach the 2.5G per second) and SATA interface (transmission rate can reach 1.5G to 3.0G per second).

But PCI-E and SATA interface is owing to use far away not as good as USB, and the number of terminals of this two class interface too much, volume also is difficult to adapt to light, thin, short, the little development trend of following electronics industry greatly.

What Fig. 7 to Fig. 8 illustrated is existing standard USB 2.0 plugs 700 and USB 2.0 electric connectors 600, wherein, USB plug 700 is externally connected to cable 77 and is coated with insulating body portion 75, and the shielding casing that comprises insulation tongue piece 72, is installed on four existing USB standard plug terminals 73 of insulation tongue piece 72 upper surfaces and covers insulation tongue piece 72 and terminal 73 is a plug casing 74.Form a receiving space 76 between insulation tongue piece 72 upper surfaces and plug casing 74 tops, to accommodate the insulation tongue piece 62 of USB electric connector 600.Plug terminal 73 comprises power supply terminal 731, negative signal terminal 732, positive signal terminal 733 and earth terminal 734, and negative signal terminal 732 and positive signal terminal 733 are used for accepting and data transmission.

Four existing USB standard socket terminals 63, shielding casings that USB electric connector 600 comprises insulation tongue piece 62, be installed on insulation tongue piece 62 lower surfaces are Socket casing 64, and existing USB standard socket terminal 63 comprises power supply terminal 631, negative signal terminal 632, positive signal terminal 633 and earth terminal 634.Form a receiving space 66 between insulation tongue piece 62 lower surfaces and Socket casing 64 bottoms, to accommodate the insulation tongue piece 72 of USB plug 700.When USB electric connector 600 and USB plug 700 butt joints, all female terminals 63 are corresponding one by one with plug terminal 73, realize machinery and electric connection.

Therefore, in order to improve the signal transmitting speed, be necessary existing electric connector is improved to overcome above-mentioned defective.

[utility model content]

Main purpose of the present utility model is to provide a kind of electric connector with higher transmission rates.

For reaching above-mentioned utility model purpose, the utility model adopts following technical scheme: a kind of electric connector, it comprises first body, the first terminal group, first body comprises the tongue piece that main part and autonomous body extend, the first terminal group comprises first vertical portion, first contact site of being located at first horizontal part on the tongue piece and extending from first horizontal part, described electric connector also comprises second terminal group, described second terminal group comprises second contact site of being located on the tongue piece, described first vertical portion is positioned at first plane, first horizontal position in second plane of first plane parallel in, first, second contact site is along the setting of staggering of the length direction of tongue piece.

Compared to prior art, the utility model electric connector has improved the electric connector signal transmission rate by increasing by second terminal group; First plane and second plane parallel make electric connector take the less erection space of circuit board.

[description of drawings]

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

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

Fig. 3 is the part three-dimensional exploded view of the utility model electric connector.

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

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

Fig. 6 is the three-dimensional combination figure of another execution mode of the utility model electric connector.

Fig. 7 is the schematic diagram of existing standard USB 2.0 plugs.

Fig. 8 is the schematic diagram of existing standard USB 2.0 electric connectors.

[embodiment]

Please refer to Fig. 1 to shown in Figure 5, the utility model electric connector 100 can be pegged graft for standard USB 2.0 plugs 700 and other banjo (not shown), and it comprises first body 1, is retained on second body 2 on first body 1, the first terminal group 3, the edge that is installed on first body 1 buries second terminal group 4 and the baffle 5 that takes shape on first body 1.

First body 1 comprises the tongue piece 12 that main part 11 and autonomous body 11 extend forward, main part 11 bottoms have horizontally disposed installed surface 111, tongue piece plane, 12 place and installed surface 111 are perpendicular, so can make electric connector 100 take the less erection space of circuit board (not shown).One side of main part 11 is concaved with some holding slots 112, and holding slot 112 extends downward installed surface 111, further is concaved with and horizontally disposed accepting groove 122 corresponding one by one with holding slot 112 on the tongue piece 12, and accepting groove 122 is darker than holding slot 112.Tongue piece 12 has the interface 124 that is positioned at foremost, interface 124 and installed surface 111 perpendicular settings, and tongue piece 12 front ends are formed with some location notchs 123, and location notch 123 separates and extends to forward interface 124 with accepting groove 122.

The front and back end of first body, 1 main part, 11 inboards is respectively equipped with groove 13, holding slot 112 is through-going recess 13 and extend to tongue piece 12 rear ends forward, main part 11 front ends have be positioned at tongue piece 12 belows and opening towards preceding bayonet socket 14, the outside of main part 11 is provided with the depression 15 that extends back.

Second body 2 convexes with and holding slot 112 pressure section 22 and the flange 23 that matches with groove 13 one to one to first body 1, further be provided with protuberance 26 on the flange 23, second body, 2 front ends also are provided with the bayonet socket 24 that aligns with first body, 1 bayonet socket 14 on left and right directions, and the outside of second body 2 also is provided with the depression 25 that extends back.

The corresponding one by one setting of plug terminal 73 of the first terminal group 3 and USB 2.0 plugs 700, it is provided with a power supply terminal 31, a pair of first difference signal terminal 32 and one first earth terminal 33.First welding foot 39 that the first terminal group 3 comprises first vertical portion 34, first horizontal part 37, vertically extend downwards from first vertical portion, 34 1 ends, from first vertical portion, 34 other ends be inclined upwardly first kink 35 that extends, connect first connecting portion 36 of first kink 35 and first horizontal part 37 and from first contact site 38 of the circular-arc elastic construction of first horizontal part, 37 extensions.First vertical portion 34 is positioned at first plane of vertical setting, and first horizontal part 37 is positioned at second plane with first plane parallel, and so design makes electric connector 100 take the less erection space of circuit board.First kink 35 also is positioned at first plane, and first connecting portion 36 extends setting perpendicular to the direction bending on first plane.

Second terminal group 4 comprises a pair of second difference signal terminal 42 and one second earth terminal 43.Two pairs second difference signal terminal 42 are used for transmit high-speed signals, second earth terminal 43 is between two pairs second difference signal terminal 42, in order to reduce by crosstalking that second difference signal terminal 42 produces when the transmission signals, second terminal group 4 is identical with the first terminal group 3 structure divisions, and it also comprises second vertical portion 44, second horizontal part 47, from vertical downwards second welding foot 49 that extends of second vertical portion, 44 1 ends, second kink 45 that is inclined upwardly and extends from second vertical portion, 44 other ends, connect second connecting portion 46 of second kink 45 and second horizontal part 47 and second contact site 48 of plate-like structure.Second vertical portion 44, second horizontal part 47, second kink 45, second welding foot 49 and second connecting portion 46 parallel setting with first vertical portion 34, first horizontal part 37, first kink 35, first welding foot 39 and first connecting portion 36 respectively.Also be connected with the vertical component effect 41 that parallels with second connecting portion 46 between second contact site 48 and second horizontal part 47.Second terminal group, 4 edges bury and take shape on first body 1, and second contact site 48 is located at and can be supplied banjo (not shown) to peg graft in the location notch 123, and second welding foot 49 extends first body 1.

Baffle 5 comprises roof 51, diapire 52, the two side 53 that links to each other with roof 51 and diapire 52, roof 51, diapire 52 and two side 53 front ends are equipped with the shell fragment 54 that extends to the inside, 53 rear ends, two side dash to the inside respectively and are provided with and cave in 15,25 corresponding retaining sheets 531, two side 53 be extended with downwards can with circuit board (not shown) the fixing pin 532 of fixing mutually.

During 100 assemblings of the utility model electric connector, at first, the first terminal group 3 is installed on first body 1, first vertical portion 34, first kink 35, first connecting portion 36 and part first horizontal part 37 are immobilizated in the holding slot 112, first horizontal part, 37 another part are contained in tongue piece 12 accepting grooves 122, because accepting groove 122 is darker than holding slot 112, so first horizontal part 37 and first contact site 38 are vacant state, make first contact site 38 have elastic contacting effect preferably with banjo (not shown), first welding foot 39 extends first body 1 downwards, whole observation, first,

second contact site

38,48 are arranged at the same side of tongue piece 12 and are set to two rows along staggering on the length direction of tongue piece 12, first,

second contact site

38,48 are positioned at differing heights on the thickness direction of tongue piece 12, second contact site, 48 to the first contact sites, 38 more close interfaces 124.

Secondly, second body 2 is retained on together mutually with first body 1, the groove 13 of first body, 1 main part, 11 front and back ends matches with the flange 23 of second body 2, flange 23 is pressed on first connecting portion 46 backward, can limit second body 2 and the first terminal group 3 relative first bodies 1 move forward and backward, simultaneously pressure section 22 protrudes in the holding slot 112 and presses on the first terminal group 3 first vertical portions 34 and first kink 35 on second body 2, protuberance 26 on the flange 23 is pressed on first horizontal part 37, can limit second body, 2 relative first bodies 1 and move up and down, and further that the first terminal group 3 fixings are firm.

At last, baffle 5 is sheathed on first,

second body

2,3 outsides, retaining sheet 531 on the two side 53 is fastened in first respectively, second body 1, cave in 15 on 2, in 25, and the rear end of diapire 52 is snapped in first,

second body

1,2 bayonet sockets 14, in 24, common restriction baffle 5 relative first,

second body

1,2 move forward and backward, baffle 5 front ends and tongue piece 12, be formed with between first contact site 38 and second contact site 48 in order to accommodate the receiving space 50 of banjo (not shown), the shell fragment 54 of baffle 5 extends in the receiving space 50, and electric connector 100 assemblings are finished.

It is identical in essence with insulation tongue piece 62 sizes (length, width and height) of standard USB2.0 electric connector 600 that the size of tongue piece 12 is set to, but allow certain error, and so design can be pegged graft electric connector 100 for standard USB 2.0 plugs 700.When electric connector 100 docked with USB 2.0 plugs 700, second terminal group 4 contacted with plug terminal 72 to form and electrically connects, and the first terminal group 3 disconnects with plug terminal 73.

Specific descriptions by above-mentioned execution mode as can be known, the utility model electric connector 100 increases on the basis of USB2.0 electric connector 600 second terminal group 4 is set, and has improved electric connector 100 signal transmission rates; Second terminal group 4 edge buried take shape in first body 1, can simplify assemble flow, thereby reduce electric connector 100 manufacturing costs, and the high-frequency electrical performance of electric connector 100 also can access effective assurance; First plane and second plane parallel make electric connector 100 take the less erection space of circuit board (not shown).

Please join shown in Figure 6, in another execution mode of the present utility model, this electric connector 200 only is with the difference of above-mentioned execution mode electric connector 100: the 3rd welding foot 203 of electric connector 200 first, second terminal group 201,202 is horizontally disposed with, thereby make this electric connector 200 can adopt the surface soldered technology to be welded on the circuit board (not shown), electric connector 200 can reach creation purpose of the present utility model equally, bury the moulding setting by second terminal group, 201 edges, can guarantee the coplane degree of the 3rd welding foot 203.Certainly the utility model is except that above-mentioned two execution modes, other many different execution modes can also be arranged, for example, the first terminal group edge can be buried and take shape on second body, second body is retained on together mutually with first body, above-mentioned design can reach creation purpose of the present utility model again.

Claims

1. electric connector, it comprises first body, the first terminal group, first body comprises the tongue piece that main part and autonomous body extend, the first terminal group comprises first vertical portion, first contact site of being located at first horizontal part on the tongue piece and extending from first horizontal part, it is characterized in that: described electric connector also comprises second terminal group, described second terminal group comprises second contact site of being located on the tongue piece, described first vertical portion is positioned at first plane, first horizontal position in second plane of first plane parallel in, first, second contact site is along the setting of staggering of the length direction of tongue piece.

2. electric connector as claimed in claim 1 is characterized in that: described first, second contact site is arranged on the same side of tongue piece and is positioned at differing heights on the thickness direction of tongue piece.

3. electric connector as claimed in claim 1 is characterized in that: described first contact site is an elastic construction, and second contact site is a plate-like structure.

4. electric connector as claimed in claim 1 is characterized in that: described second terminal group edge buries and takes shape on first body.

5. electric connector as claimed in claim 1, it is characterized in that: described the first terminal group also comprises from first vertical portion, one end extends the welding foot of first body and first kink that is inclined upwardly and extends from the first vertical portion other end, and first bending part is in first plane.

6. electric connector as claimed in claim 5 is characterized in that: described the first terminal group comprises first connecting portion that connects first kink and first horizontal part, and described first connecting portion extends along the direction bending on vertical first plane.

7. electric connector as claimed in claim 6 is characterized in that: described second terminal group comprises second vertical portion, second kink, second connecting portion and second horizontal part that parallels with first vertical portion, first kink, first connecting portion and first horizontal part respectively.

8. electric connector as claimed in claim 1, it is characterized in that: described the first terminal group comprises power supply terminal, a pair of first difference signal terminal and first earth terminal, described a pair of first difference signal terminal is located between first power supply terminal and first earth terminal, and described second terminal group comprises two pairs second difference signal terminal and is located at second earth terminal between two pairs second difference signal terminal.

9. electric connector as claimed in claim 1, it is characterized in that: described electric connector also comprises second body that is immobilizated on first body, described first body is provided with the holding slot of fixing second terminal group, and second body is provided with and protrudes in the holding slot and press on pressure section on the first terminal group.

10. electric connector as claimed in claim 9 is characterized in that: described electric connector also comprises the baffle that coats first, second body, is formed with receiving space between baffle and tongue piece, first contact site and second contact site.