CN201230031Y

CN201230031Y - Electric connector

Info

Publication number: CN201230031Y
Application number: CNU2008200406922U
Authority: CN
Inventors: 朱宇
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: 2008-07-08
Filing date: 2008-07-08
Publication date: 2009-04-29
Anticipated expiration: 2018-07-08

Abstract

The utility model discloses an electric connector (100), which comprises an insulation body (1) and conductive terminals (2). The insulation body comprises a base (11) and a butting part (14) which extends forwards from the front end surface of the base; the conductive terminals comprise a fixed part (43) which is fixed on the base, a contact part (41) which is arranged on the butting part and a connecting part (44) which extends backwards from the base; and a concave area (19) is formed by the rear end surface of the base to depress inwards at the fixed parts around the conductive terminals. The concave area (19) can enlarge the contact area between the conductive terminals and air, and improve the characteristic impedance of the conductive terminals.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector of transmitting high-frequency signal.

[background technology]

But along with the extensive use of the electric connector of transmitting high-frequency signal, the signal that high frequency connectors need solve disturbs and problem such as characteristic impedance coupling more and more manifests.Some electric connector employing is provided with earth terminal and overcomes cross-talk (cross talk) in the signal terminal of electric connector, some adopts metal shielding casing to overcome electromagnetic interference (Electromagnetic Interference is called for short EMI) problem.The novel patent announcement of TaiWan, China has then disclosed another kind of method No. 521905: the hyoplastron upper surface of insulating body front end has carried the contact site of plurality of conductive terminals front end, hyoplastron is provided with cavern part at the side of each contact site, to reduce the EMI influence between conducting terminal.

At present high frequency connectors, in SAS (Serial Attached SCSI) connector, because terminal is longer, the problem of impedance matching and EMI is more outstanding, and we seek different solutions constantly.

[utility model content]

Technical scheme to be solved in the utility model provides a kind of electric connector that the superperformance impedance matching is provided.

The purpose of this utility model is achieved through the following technical solutions: a kind of electric connector, it comprises insulating body and conducting terminal, insulating body comprises base portion and the docking section of extending forward from the front end face of base portion, conducting terminal comprises the fixed part that is fixed in base portion, the contact site that is positioned at the docking section and the connecting portion that extends back from base portion, and the Hou end face of base portion is at the fixed part around conducting terminal

Cave inward and form a depressed area.

Compared to prior art, the utility model is by the fixed part at contiguous conducting terminal

The depressed area that is provided with, the contact area of increasing conducting terminal and air, the characteristic impedance that improves conducting terminal.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram that the utility model electric connector is equipped with circuit board.

Fig. 2 is the stereogram of another angle of Fig. 1.

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

Fig. 4 is the part stereogram of the utility model electric connector, and wherein right-hand part is cut.

Fig. 5 is the local amplification rearview of the utility model electric connector, with clear depressed area and the terminal containing slot structure of showing.

Fig. 6 is the partial enlarged drawing of Fig. 3.

[embodiment]

Shown in ginseng Fig. 1,2, the utility model is the Hou end that a kind of knockdown electric connector 100, one circuit boards 200 are placed in electric connector, realizes both electric connections.

Ginseng Fig. 2,3, electric connector 100 comprises integrated insulating body 1, this insulating body 1 has lengthwise base portion 11 and from some docking sections that base portion extends forward, arrange along longitudinally these docking sections, is respectively first～the 4th docking section 12～15 by from left to right order.First docking section 12 is a frame shape structure, in receiving space is arranged, four needle-like first conducting terminals 2 are fixed in base portion 11, and protrude into receiving space forward.Second docking section 13 is that second conducting terminal 3 is fixed in base portion 11 from the extended forward hyoplastron of base portion 11, and the plate-like structure of its front end is arranged at the upper surface of hyoplastron.The front end of the 3rd conducting terminal 4 inserts the 3rd docking section 14.The 4th docking section 15 is similar with second docking section 13, and the front end of the 4th conducting terminal 5 is positioned at the upper surface of the 4th docking section 15.Ginseng Fig. 3, the Hou end of first～the 4th conducting terminal is all downward-sloping, and upwards arc bending

forms pressure section

22,32,42,52 then.The contact site of the first terminal is needle-like, and the contact site of the second, the 4th terminal front end is a tabular, and relative the second, the 4th terminal of the 3rd terminal is then thinner.

Flange 17 is extended at the two ends of insulating body backward integratedly, and flange is provided with to side and aft-opening holding slot 171, circuit board 200 two ends insert this holddown groove and Circuit board is fixed in electric connector 100, and wherein the

pressure section

22,32,42,52 of conducting terminal is close to the conductive spacer on the circuit board and is reached electrical and mechanical connection (Fig. 1 is clearly visible).

Ginseng Fig. 4, the 3rd docking section 14 is to be formed by upper and lower two hyoplastrons 141,142 that extend forward from base portion 11, the tabular contact site 41 of the 3rd conducting terminal 4 front ends is positioned at the lower surface of hyoplastron 141 down, 43 of fixed parts are fixed in the terminal containing slot of base portion 11 formation, two hangnails 431,432 before and after the dual-side of fixed part 43 is provided with along the butt joint direction, a junction 44 is held the extension that is inclined upwardly from fixed part 43 Hous, and bending downwards, forms above-mentioned pressure section 42.The Hou end face of base portion 11 is in corresponding the 3rd docking section 14

One is extended butting section 18 backward, and the Hou end face 181 of this butting section 18 is downward intilted supporting surface 181, and the gradient of this supporting surface is corresponding with the connecting portion 44 of the 3rd terminal, is used for for connecting portion 44 against thereon.From finding out in conjunction with Fig. 5, relative other terminals of the 3rd terminal are more near the insulating body bottom surface, because of the pressure section of pressure section 42 with other terminals is positioned on the sustained height, accordingly, this connecting portion 44 is longer relatively, the setting of this butting section 18 can guarantee that at electric connector when being assembled in circuit board, the connecting portion 44 of the 3rd terminal is avoided being damaged or bending, even in the 3rd terminal 4 relative thinner situations.Certainly, other terminals also can be provided with supporting structure as required.

Join shown in Figure 5ly, the accepting groove 19 of the 3rd terminal comprises holddown groove 191 that extends along insulating body longitudinally (being the terminal board column direction) and the mating groove 182,183 that is positioned at the upper and lower side of holddown groove, and mating groove is communicated with holddown groove forward; Holddown groove 191 is fixed in order to the interference of terminal fixed part 43, and mating groove 192,193 can increase terminal to greatest extent and is exposed to airborne area, to regulate the impedance operator of conducting terminal.The second, the accepting

groove

29,49 of the 4th terminal also is provided with corresponding mating groove.Ginseng Fig. 5,6, base portion 11 Hou end faces around the fixed part 43 of above-mentioned all the 3rd terminals

Inwardly one caves in, form a more shallow depressed area 195, the impedance operator of the 3rd conducting terminal 4 can be adjusted in this depressed area 195: in terminal pitch hour, electric capacity between terminal causes characteristic impedance less than normal greatly, the setting of depressed area can make terminal be exposed in the air as much as possible under the situation that guarantees retain strength, thereby reduction electric capacity increases impedance.The setting of depressed area need not the whole wall thickness attenuation with insulating body, thereby avoids insulating body intensity possibility defect of insufficient.Ginseng Fig. 4, the protruding thorn 432 that closes on the Hou end face of the fixed part 43 of the 3rd terminal 4 can partly be exposed in the depressed area, and promptly in the air, mating groove 192,193 does not run through base portion 11 front ends.Above-mentioned support portion and depressed area all are formed in one, corresponding all the 3rd terminals, the promptly corresponding same a series of terminal that patches a certain butt connector.

Claims

1 one kinds of electric connectors, it comprises insulating body and conducting terminal, insulating body comprises base portion and the docking section of extending forward from the front end face of base portion, conducting terminal comprises that the fixed part that is fixed in base portion, the contact site that is positioned at the docking section reach the connecting portion that extends back from base portion, and it is characterized in that: the Hou end face of base portion is at the fixed part around conducting terminal Cave inward and form a depressed area.

2 electric connectors as claimed in claim 1 is characterized in that: described depressed area with all a series of conducting terminals is an one.

3 electric connectors as claimed in claim 2 is characterized in that: the both side edges of the fixed part of described conducting terminal is at the Hou end face of adjacent base Be provided with protruding thorn, this protruding thorn part is arranged in the depressed area and is exposed to air.

4 electric connectors as claimed in claim 1 is characterized in that: described connecting portion is to hold to be inclined upwardly from the Hou of fixed part to extend and form.

5 electric connectors as claimed in claim 4 is characterized in that: the Hou end of described connecting portion forms pressure section to the arc lower bending.

6 electric connectors as claimed in claim 5 is characterized in that: the Hou end face of described base portion one backward extends a support portion, this support portion be provided with for connecting portion against supporting surface.

7 electric connectors as claimed in claim 6 is characterized in that: the connecting portion with a series of all terminals is supported in described support portion.

8 electric connectors as claimed in claim 1 is characterized in that: described base portion is provided with for conducting terminal and holds and fixing holddown groove, and the last bottom of holddown groove offers the mating groove that is communicated with holddown groove.

9 electric connectors as claimed in claim 8 is characterized in that: described mating groove extends internally, but does not run through the front end face of base portion.

10 electric connectors as claimed in claim 1, it is characterized in that: described insulating body comprises that also other docking sections and part are positioned at other conducting terminals on other docking sections, and other conducting terminals are identical with above-mentioned conducting terminal structure but the more above-mentioned conducting terminal of width is wide.