CN201259999Y

CN201259999Y - Electric connector

Info

Publication number: CN201259999Y
Application number: CNU2008202001348U
Authority: CN
Inventors: 蔡友华
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2008-09-05
Filing date: 2008-09-05
Publication date: 2009-06-17
Anticipated expiration: 2018-09-05

Abstract

The utility model provides an electric connector, which comprises an insulating body, a plurality of first terminals and a plurality of second terminals; the first terminals are arranged in the insulating body at intervals, a first connecting pin part is extended from the rear end of the first terminal, the first connecting pin part is respectively arrayed forward and backward; the second terminals are arranged in the insulating body at intervals, the second terminals are not positioned in the same row as the first terminals, a second connecting pin part is respectively extended from the rear end of the same second terminal, and the second connecting pin is respectively arrayed forward and backward, wherein, the first connecting pin part arranged in the back row and the second connecting pin part arranged in the front row are right arranged in the same row and are adjacent with interlacement. The distribution of the connecting pin parts is simple; as the design of the terminal structure makes the connecting pin part of each terminal in only two row arrangement, the manufacture and production process is more convenient; and at the same time, the material-saving effect can be reached.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, especially relates to a kind of electric connector that is used for the high-speed differential signal transmission.

[background technology]

The known electric connector that is used for differential signal transmission has in the communications field very widely to be used, as No. 1705168 disclosed this type electric connector of disclosed Chinese invention patent application on December 7th, 2005.No. 1705168 disclosed electric connector, this connector comprises an insulating body, and plural number is contained in the terminal of this insulating body, and a housing that covers this insulating body.Each terminal on this insulating body all is provided with a contact site, and a weld part and connects the connecting portion of this contact site and pin portion.The contact site of this terminal is two rows and arranges on insulating body, the pin portion of last row terminal is chosen be before, in, the back three rows arrange, arrange down the pin portion of terminal also chosen be before, in, the back three rows arrange, the pin portion that is arranged in the front row in last row's terminal is positioned at front-seat pin portion with following row's terminal and is staggered on same row, be arranged in the last row terminal row's pin portion and down row's terminal pin portion of being arranged in row also on same row, be staggered, on arrange the pin portion that is arranged in back row in the terminal and the pin portion of arranging after row's terminal is positioned at down also is staggered on same row.

As mentioned above, before being, in, in the terminal pin portion that back three rows arrange, each row's pin portion all includes pin portion of arranging terminal and the pin portion of arranging terminal down, the pin portion of the pin portion of last row's terminal and following row's terminal is preceding, in, be staggered among each row of three rows of back, therefore the design more complicated of this known electric connector terminal pin bilge construction is various, again because arrange in the terminal up and down, the pin portion of each row's terminal is all chosen be before, in, the back three rows arrange, cumbersome in the punching press forming process of terminal, speed of production is also had certain influence, and simultaneously, electronic product is flourish day by day, supporting with it electric connector also is increasing, and demand also day by day increases.So this structure more complicated, produce inconvenience design with regard to the development trend of some incompatibility electronic product.

Therefore, be necessary to design a kind of relatively simple for structure, produce more convenient electric connector.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector, and the end pin layout of its terminal had both satisfied the transmission requirement of differential signal, prevented mutual interference, and simple in structure, convenient for production.

For achieving the above object, the utility model provides following technical proposals: a kind of electric connector, comprise: an insulating body, some the first terminals, row is located in the above-mentioned insulating body at interval, these the first terminals are extended with one first pin portion respectively, and these first pin portions are forward and backward arrangement respectively selectedly; Some second terminals, row is located in the above-mentioned insulating body at interval, and be positioned at different rows with these the first terminals, these second terminals are extended with one second pin portion respectively, and these second pin portions are forward and backward arrangement respectively selectedly, wherein be positioned at these first pin portions and these second pin portions that are positioned at the front row of back row, just be positioned on the same row, staggered adjacent.

Compared with prior art, the design of the utility model connector terminals has certain advantage, the contact site that is distributed as terminal of this terminal is two rows and arranges, front and back two rows that are that the pin portion of each row's terminal is chosen arrange, and before all pin portions of whole terminal are in this electrical connection device, in, the back three rows arrange, before the pin portion that contact site is each row's terminals that two rows arrange only is distributed in, in, on adjacent two rows among three rows of back, before terminal pin portion is distributed in prior art, in, this structure Design among three rows of back is just fairly simple, and the design of this terminal structure is because be that the pin portion of each terminal only is two rows and arranges, and the pin portion of each terminal is the design that three rows arrange in prior art, more convenient in manufacturing process, the while can reach the effect of material-saving again.

[description of drawings]

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is a three-dimensional combination figure shown in Figure 1;

Fig. 3 is the cutaway view along the A-A line shown in Figure 2;

Fig. 4 is the terminal shown in Figure 2 end view of arranging;

Fig. 5 is that terminal shown in Figure 2 is arranged in the vertical view on the circuit board;

Fig. 6 is the welding hole schematic diagram.

[embodiment]

Below in conjunction with the drawings and specific embodiments the utility model electric connector is described in further detail.Shown in Fig. 1 to 6, the utility model electric connector 1 is the differential signal that is used for transmitting high speed, and it comprises an insulating body 2, and some terminals 3 and that are contained in this insulating body 2 cover the housing 4 of this insulating body 2.This electric connector 1 further is assemblied on the circuit board 6, for corresponding butt joint device (not shown) butt joint, thus the transmission of realization high-speed differential signal.

This insulating body 2 has a main part 20, and an end of these main part 20 abutment elements is that 201, one rear ends 202,, butt end protrude out the projection 22 that a junction surface 21 and these main part 20 both sides are provided with from these main part 20 rear ends 202.This main part 20 has two relative supports 23, extends the both sides, below at this junction surface 21.Be extended with plurality of terminals accepting groove 24 from this butt end 201 to rear end 202 on this junction surface 21.

The terminal 3 of this electric connector 1 comprises the first terminal 31 that is arranged in row on the insulating body and second terminal 32 that is arranged in row under the insulating body, three pairs of signal terminals are arranged in this first terminal 31, the terminal of two earth terminals and two other purposes, these three pairs of signal terminals be respectively by S1, S2 form a pair of, S5, S6 form a pair of and by S9, S10 form a pair of, these two earth terminals are G2 and G4, and the terminal of these two other purposes is 01 and 04.Two pairs of signal terminals are arranged in this second terminal 32, the terminal of three earth terminals and three other purposes, these two pairs of signal terminals are respectively by S3, it is a pair of and by S7 that S4 forms, it is a pair of that S8 forms, these three earth terminals are G1, G3 and G5, the terminal of these three other purposes is 02,03 and 05, this the first terminal 31 has one first base portion 311 and extends one first contact site 312 forward from this first base portion 311, extend one first pin portion 313 downwards, this second terminal 32 has one second base portion 321, extend one second contact site 322 forward from this second base portion 321, extend one second pin portion 323 downwards, first contact site 312 of this first terminal 31 and second contact site 322 of first base portion 311 and this second terminal 32 and the layout of second base portion 321 on the junction surface 21 of insulating body 2 are according to the high-definition multimedia interface standard, S1 in this first terminal 31, S2, G2, S5, S6, G4,01, S9, S10,04 the first pin portion 313 inserts corresponding welding hole 621 on the circuit board 6 respectively, 623,625,627,629,631,633,635,637,639.G1, S3 in this second terminal 32, S4, G3, S7, S8,02, G5,03,05 the second pin portion 323 insert corresponding welding hole 622,624,626,628,630,632,634,636,638,640 on the circuit board 6 respectively.An every pair of signal terminal in this first terminal 31 and an earth terminal in second terminal 32 fit in a terminal group, an earth terminal in this second terminal 32 in the every pair of signal terminal and the first terminal 31 fits in a terminal group, concrete, first couple of signal terminal S1 in the first terminal 31, S2 cooperates with first earth terminal G1 in second terminal 32, first couple of signal terminal S3 in second terminal 32, S4 cooperates with first earth terminal G2 in the first terminal 31, second couple of signal terminal S5 in the first terminal 31, S6 cooperates with second earth terminal G3 in second terminal 32, second couple of signal terminal S7 in second terminal 32, S8 cooperates the 3rd couple of signal terminal S9 in the first terminal 31 with second earth terminal G4 in the first terminal 31, S10 cooperates with the 3rd earth terminal G5 in second terminal 32; Signal terminal during each cooperates lays respectively at different rows and constitutes a triangle with the pin portion of earth terminal on circuit board 6, and the arrangement of two adjacent groups puts upside down mutually, and making has the earth terminal interval between every pair of signal terminal.As, first contact site, 312 rows of laying respectively at of first couple of signal terminal S1, S2 in the first terminal 31, second contact site 322 of first earth terminal G1 in second terminal 32 is positioned at row down; Second contact site 322 of first couple of signal terminal S3, S4 in second terminal 32 is arranged in that down row is adjacent with second contact site 322 of first earth terminal G1 of second terminal 32, and that first contact site 312 of first earth terminal G2 in the first terminal 31 is arranged in first contact site 312 of first couple of signal terminal S1, S2 of row and the first terminal 31 is adjacent; According to this in proper order.Other purposes terminal is distributed in two rows in regular turn respectively, i.e. row of going up (S1, S2, G2, S5, S6, G4, S9, S10) and row (G1, S3, S4, G3, S7, S8, G5) down.First base portion 311 of each the first terminal 31 extends horizontally in terminal containing slot 24 from second base portion 321 of first contact site 312 and second terminal 32 from second contact site 322, interferes and the realization fixing with terminal containing slot 24 cell walls.Has an identical end pin spacing between each the first pin portion 313 and the second pin portion 323; Wherein, 313 chosen front and back two rows that are divided into of the first pin portion that are arranged in this first terminal 31 of row arrange, the pin portion 313 that divides respectively this first terminal 31 of arranging at the front row is one section that extends vertically downward from the rear end of first base portion 311 of this first terminal 31, and divides the pin portion 313 of respectively this first terminal 31 of arranging back row to extend one section a section of extending perpendicular to these first base portion, 311 directions again from first base portion, the 311 oblique bendings down of this first terminal 31; Being arranged in down, also chosen front and back two rows that are divided into of the second pin portion 323 of this second terminal 32 of row arrange, divide this second pin portion 323 to divide the first pin portion 313 just to be positioned at same row back row with the first terminal 31 that is arranged in row at the front row, staggered adjacent, one section a section of extending perpendicular to these second base portion, 321 directions again extends from the oblique bending down of second base portion 321 of second terminal 32 in this second pin portion 313, divide back row's second terminal 32 two pin portions 323 extend one section a section of extending perpendicular to these second base portion, 321 directions again from second base portion, the 321 oblique bendings down of this second terminal 32; The second pin portion 323 that is arranged in the triangle terminal group that the first pin portion 313 of this first terminal 31 of row do not constitute at another row's earth terminal in same row's a pair of signal terminal and the second pin portion 323 that is arranged in this second terminal 32 of row down and is arranged in this second terminal 32 of row down is not adjacent successively in the triangle terminal group that another row's earth terminal constitutes in the first pin portion 313 of same row's a pair of signal terminal and this first terminal 31 that is arranged in row.Concrete, in the present embodiment, first couple of signal terminal S1 in the first terminal 31 of the corresponding row of going up, first earth terminal G1 in second terminal 32 among S2 and the following row constitutes triangle A, first couple of signal terminal S3 in following row's second terminal 32, first earth terminal G2 in S4 and last row's the first terminal 31 constitutes triangle B, second couple of signal terminal S5 in last row's the first terminal, S6 and second the earth terminal G3 that ranked second in the terminal 32 down constitute triangle C, second couple of signal terminal S7 in following row's second terminal 32, the second earth terminal G4 in S8 and last row's the first terminal 31 constitutes triangle D, the 3rd couple of signal terminal S9 in last row's the first terminal 31, the 3rd earth terminal G5 in S10 and following row's second terminal 32 constitutes triangle E, these five triangle A, B, C, D, E is adjacent successively, and constitute in the second pin portion 323 of the first pin portion 313 of this leg-of-mutton the first terminal 31 respectively and second terminal 32 any two not same row.

This housing 4 has the incorporating section 40 of taking in insulating body 2, the bayonet socket 42 that these incorporating section 40 downward installation feet 41 that extend, and these 40 both sides, incorporating section are certainly offered.This installation foot 41 is contained in the installing hole 61 on the circuit board 6, and housing 4 further is fixed on the circuit board 6, the insulating body 2 that is fixed togather of the projection 22 on this bayonet socket 42 and the insulating body 2.

In addition, the whole height of this electric connector 1 is higher, the first pin portion 313 of the first terminal 31 and second terminal 32 two pin portions 323 longer, therefore in the present embodiment, insulating body 2 is also further installed a separable fixed block 5, the relative support 23 of main part 20 is provided with a draw-in groove 230 relatively near the below and fixes this fixed block 5, it is one rectangular-shaped that this fixed block 5 is, the two ends of its length direction convex with a fixture block 50 that is fastened in the draw-in groove 230 respectively, run through these fixed block 5 upper and lower surfaces and are provided with three registration holes 51.The first pin portion 313 of the first terminal 31 and second terminal 32 two pin portions 323 pass corresponding positioning hole 51.

The electric connector 1 of this creation, because of its structure Design has following advantage:

1. all be that chosen back row's the first pin portion 313 just is positioned at same row because of the second pin portion 323 of the first pin portion 313 of the first terminal 31 and second terminal 32, be staggered, before whole pin portion is, in, the back three rows arrange, before the

first pin portion

313 and 323 in the second pin portion are positioned at, and middle row or be arranged in, back row has the structure of this distribution to want simple in three rows in pin of the prior art portion.

Again because of the first pin portion 313 of the first terminal 31 and the second pin portion 323 of second terminal 32 all be chosen become before and after two rows arrange, so in the manufacturing of terminal, be will making things convenient for fast that three rows arrange in pin of the prior art portion, improved certain operating efficiency, also can reach the effect of material-saving simultaneously in prior art.

The technology contents technology characteristic of this creation has disclosed as above, the content that the scope that it is protected is not limited among the embodiment to be disclosed, and should comprise various replacement and the modifications that do not deviate from this creation, and contained by present patent application request item.

Claims

1. an electric connector is characterized in that: comprise

One insulating body;

Some the first terminals, row is located in the above-mentioned insulating body at interval, and these the first terminal rear ends are extended with one first pin portion respectively, and these first pin portions are forward and backward arrangement respectively selectedly;

Some second terminals, row is located in the above-mentioned insulating body at interval, and be positioned at different rows with these the first terminals, these second terminal rear ends are extended with one second pin portion respectively, and these second pin portions are forward and backward arrangement respectively selectedly, wherein be positioned at these first pin portions and these second pin portions that are positioned at the front row of back row, just be positioned on the same row, staggered adjacent.

2. electric connector as claimed in claim 1 is characterized in that: this first terminal has one first base portion to be located in this insulating body, and this first base portion extends one first contact site forward certainly, extends one first pin portion downwards.

3. electric connector as claimed in claim 1 is characterized in that: this second terminal has one second base portion to be located in this insulating body, and this second base portion extends one second contact site forward certainly, extends one second pin portion downwards.

4. electric connector as claimed in claim 2 is characterized in that: in these the first terminals, its these first pin portion is positioned at these front-seat the first terminals relatively, is to extend these first pin portions vertically downward in these first base portion rear ends.

5. electric connector as claimed in claim 2 is characterized in that: in these the first terminals, this first pin portion is positioned at this first terminal of back row relatively in each, and its this oblique extension one first oblique section of first base portion connects this first pin portion.

6. electric connector as claimed in claim 3 is characterized in that: in these second terminals, this second pin portion is positioned at this second terminal of back row relatively in each, and its this oblique extension one second oblique section of second base portion connects this second pin portion.

7. electric connector as claimed in claim 5 is characterized in that: in these the first terminals, its these first pin portion is positioned at these the first terminals of back row relatively, is extend these first pin portions in these first oblique sections perpendicular to these first base portion directions.

8. electric connector as claimed in claim 6 is characterized in that: in these second terminals, its these second pin portion is positioned at these front-seat second terminals relatively, is extend these second pin portions in these second oblique sections perpendicular to these second base portion directions.

9. electric connector as claimed in claim 6 is characterized in that: in these second terminals, its these second pin portion is positioned at these second terminals of back row relatively, is extend these second pin portions in these second oblique sections perpendicular to these second base portion directions.

10. electric connector as claimed in claim 1 is characterized in that: in these the first terminals, have two paired signal terminals at least, have an earth terminal in these second terminals at least.

11. electric connector as claimed in claim 10 is characterized in that: an earth terminal in these the first terminals in paired two signal terminals and these second terminals is defined as a terminal group.

12. electric connector as claimed in claim 11 is characterized in that: these two first pin portions are positioned at different rows respectively with one second pin portion in the described terminal group.

13. electric connector as claimed in claim 1 is characterized in that: in these second terminals, have two paired signal terminals at least, have an earth terminal in these the first terminals at least.

14. electric connector as claimed in claim 13 is characterized in that: an earth terminal in these second terminals in paired two signal terminals and these second terminals is defined as a terminal group.

15. electric connector as claimed in claim 14 is characterized in that: these two second pin portions are positioned at different rows respectively with one first pin portion in the described terminal group.

16. electric connector as claimed in claim 1, it is characterized in that: wherein this insulating body further comprises a directed piece, be penetrated with a plurality of location holes of three rows before and after being on this orientation piece, these first pin portions and these second pin portions pass corresponding one this location hole respectively.

17. electric connector as claimed in claim 1 is characterized in that: wherein this insulating body is provided with at least one draw-in groove, and this fixed block is provided with correspondence and is fastened in fixture block in this draw-in groove.

18. electric connector as claimed in claim 1 is characterized in that: a wherein peripheral nested screen iron cover of this insulating body, an and clamping device is used in conjunction with this insulating body and this shielding iron.