CN202196892U

CN202196892U - Electric connector and combination thereof

Info

Publication number: CN202196892U
Application number: CN2011202753055U
Authority: CN
Inventors: 吴荣发; 陈钧; 孟凡波
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: 2011-08-01
Filing date: 2011-08-01
Publication date: 2012-04-18
Anticipated expiration: 2021-08-01

Abstract

An electric connector and a combination thereof comprise a first insulation body, a plurality of first terminals fixed on the first insulation body and a first casing shielded outside the first insulation body. The insulation body is provided with a clapper and a plurality of holding grooves arranged on the clapper. Electric conductive terminals comprise contact parts and main body parts extending from the contact parts, wherein the main body parts are fixed in the holding grooves, and the thickness of the contact parts is smaller than that of the main body parts. The phenomenon of impedance mutation at butting positions can be avoided by changing the thickness of the contact parts of the terminals.

Description

Electric connector and combination thereof

[technical field]

The utility model relates to a kind of electric connector and combination thereof.

[background technology]

A kind of electric connector of convention comprises insulating body, is fixed in the first terminal of insulating body and is shielded in insulating body and the metal shell in the first terminal outside.When transmission signals (especially high-frequency signal), the contact site of the first terminal cooperates with the docking section of second terminal.In contact area, because contact site and docking section part overlap, thickness increases, and forms thickness difference with other zone.And the size of characteristic impedance is relevant with the thickness of transmission medium, the phenomenon of so easy generation impedance sudden change.

Therefore, need a kind of electric connector that can address the above problem.

[utility model content]

The purpose of utility model is to provide a kind of electric connector and combination thereof that reduces the impedance sudden change.

For realizing above-mentioned purpose; A kind of technical scheme of the utility model is: a kind of electric connector; Comprise first insulating body, be fixed in some the first terminals of first insulating body and be shielded in first housing in first insulating body outside, insulating body has hyoplastron and is arranged at some holding slots of hyoplastron, and conducting terminal comprises contact site and the main part that extends from contact site; Main part is fixed in the holding slot, and said contact site is than the attenuation of main part thickness.

Another kind of technical scheme is: a kind of electric connector combination; It comprises electric connector and the butt connector that docks with it; Electric connector comprises first insulating body, be fixed in some the first terminals of first insulating body and be shielded in first housing in first insulating body outside; Conducting terminal comprises contact site and the main part that extends from contact site; Butt connector comprises second insulating body, be fixed in second terminal of insulating body and be shielded in second housing of second insulating body; Second terminal comprises docking section and the holding parts that extends from the docking section, and contact site cooperates with the mutual butt in docking section, and said contact site and docking section be the main part and the attenuation of holding parts thickness of its extension relatively.

Compared with prior art, the utlity model has following beneficial effect: change the thickness of termination contact portion, can avoid phenomenon in joint generation impedance sudden change.

[description of drawings]

Fig. 1 is the stereogram of the utility model electric connector combination.

Fig. 2 is the exploded view of Fig. 1.

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

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

Fig. 5 is the sketch map of the utility model electric connector terminals of a unit block butt joint.

[embodiment]

Fig. 1 to Fig. 5 has disclosed the electric connector combination 100 of the utility model.

Please referring to Fig. 1 and Fig. 2, electric connector combination 100 comprises butt connector 200 and electric connector 300.In the present embodiment, butt connector 200 electrically connects with cable 400.Lid 500 is integrated, and its part is sheathed on and forms Stress Release portion 51 on the cable, and 52 of its base portions are covered in butt connector, and only the inserted terminal 20 with butt connector is stretched on lid 500 front ends.

Please referring to Fig. 3, electric connector 300 comprises first insulating body 31, be fixed in some the first terminals 32 of first insulating body and be shielded in first housing 33 in first insulating body outside.First insulating body 31 comprises pedestal 311 and the hyoplastron 312 that extends forward from pedestal.Hyoplastron is inverted Contraband shape, and its upper and lower surface is equipped with some holding slots 3121 of accommodating the first terminal.

The first terminal 32 comprises contact site 321, from main part 322 and the vertically extending weld part 323 of autonomous body that contact site extends, main part is L-shaped.Aforementioned body portion 322 horizontal components are installed in the holding slot 3121, and vertically part is resisted against pedestal 311 rear ends.The hangnail interference engagement that main part is provided with is in holding slot 3121.Referring to Fig. 2, weld part 323 is exposed to the rear end of first insulating body 31 especially.

First housing 33 is square, and its 331, four end to end perisporiums 332 of receiving space with ccontaining first insulating body surround said receiving space 331.Upper and lower perisporium 332a is provided with some elastic arms 3321 that in receiving space, tear formation, and elastic arm 3321 is used for clamping butt connector 200.Sidewall 332b then extends two pairs of fixing feet 3322 downwards, electric connector 200 is fixed in printed circuit board (PCB) (not icon).First insulating body 31 has the some mating surfaces 301 (being the upper and lower surface and the two sides of pedestal) that are formed at pedestal 311, and at least one mating surface 301 is provided with the interference part 302 of overshooting shape.Interference part 302 cooperates with the perisporium 332 of first housing, breaks away from first housing 33 to prevent first insulating body 31.Interference part 302 front ends also are provided with the guide part 303 of inclination, so that assemble first housing 33.In most preferred embodiment, upper surface and two sides are provided with the interference part, and these interference parts all are to be symmetrically arranged, can guarantee that so suffered stress evenly distributes.First insulating body, 31 1 ends also are provided with the clamping part 304 that protrudes in mating surface, and shielding casing has the breach that is arranged at upper perimeter wall 332a, and clamping part is matched with in the breach.In the present embodiment, this clamping part is arranged at the rear end of mating surface 301 (pedestal upper surface) on the pedestal.Pedestal also extends the butting section 313 that is resisted against lower peripheral wall 332a in the edge from its lower surface.

Please referring to Fig. 4, butt connector 200 comprises second insulating body 21, is fixed in second terminal 22 of second insulating body and covers second insulating body and second housing 23 in second terminal outside.Second insulating body 21 roughly is square, and it has the plurality of terminals groove 212 of butt joint chamber 211 that is Contraband shape and upper and lower two rows that are communicated with the butt joint chamber, and this butt joint chamber 211 is used to hold Contraband shape hyoplastron 312.

Second terminal 22 comprises docking section 221, the holding parts of 221 extensions from the docking section 222 reaches the connecting portion 223 that extends from holding parts.Holding parts 222 is contained in the terminal groove 212, and the hangnail that holding parts is provided with is matched with terminal groove 212, and docking section 221 is stretched in the butt joint chamber, and connecting portion then electrically connects with above-mentioned cable 400.

Second housing 23 is made up of upper shell 231 and lower house 232.Lower house 232 leading sections 2321 are closed, form the accommodation space 201 of accommodating second insulating body 21.Upper shell 231 comprises a upper wall 2311 and the two side 2312 of extending vertically downward from the upper wall both sides, and 2322 of lower house rearward end reach the vertical wall 2324 that extends vertically upward from the diapire both sides by diapire 2323 and form.Upper wall 2311 front ends are provided with some buttons portion 2313, can cooperate with the button hole 2325 that is arranged at lower house leading section 2321 upper surfaces, and upper and lower casing is fixing on fore-and-aft direction.And vertically wall 2324 is equipped with a pair of block button hole 2326 and is arranged at the square opening 2327 between the block button hole; Respectively with sidewall 2312 on a pair of buckling piece 2314 that is provided with cooperates and buckling piece between convexity 2315 cooperations, with fixing upper and lower casing on above-below direction.The second insulating body adjacent back end place is provided with the projection 213 that protrudes in its upper surface, and this projection and lower house leading section 2321 are provided with the button that is adjacent to button hole 2325 and hold hole 2328, to realize the location of second insulating body 21 and second housing 23.

Referring to Fig. 5, the first terminal contact site 321 is a tabular especially, and the second terminal docking section 221 is the elastic protrusion shape.Contact site 321 cooperates with docking section 221 mutual butts, with docking of achieve a butt joint connector 200 and electric connector 300.The attenuation respectively of contact site and docking section, promptly the first terminal main part 322 thickness are big than contact site 321, and the second terminal holding parts, 222 thickness are big than docking section 221.When high-frequency signal transmission, the thickness of joint (being the thickness sum of contact site 321 and docking section 221) is more or less the same with respect to the thickness of each terminal of first, second terminal like this, and the size of characteristic impedance is associated with terminal thickness.That is to say, the phenomenon of impedance sudden change can not take place in the signals transmission.Especially when the terminal width can not change again, the variation of thickness can be regulated impedance.

Aforementioned the first terminal weld part 323 thickness diminish than main part, and the second terminal connecting portion 223 is than the also attenuation of holding parts 222 thickness.

Claims

1. electric connector; Comprise first insulating body, be fixed in some the first terminals of first insulating body and be shielded in first housing in first insulating body outside; Insulating body has hyoplastron and is arranged at some holding slots of hyoplastron; Conducting terminal comprises contact site and the main part that extends from contact site, and main part is fixed in the holding slot, it is characterized in that: said contact site is than the attenuation of main part thickness.

2. electric connector as claimed in claim 1 is characterized in that: the thickness of said weld part is than the main part attenuation.

3. electric connector as claimed in claim 2 is characterized in that: said first insulating body has the mating surface corresponding with first housing, and at least one mating surface is provided with the interference part of overshooting shape.

4. electric connector as claimed in claim 3 is characterized in that: said interference part front end is provided with guide part.

5. electric connector as claimed in claim 4 is characterized in that: said first insulating body, one end is provided with the clamping part that protrudes in mating surface, the then corresponding breach that runs through its end face that is provided with of shielding casing.

6. electric connector combination; It comprises electric connector and the butt connector that docks with it; Electric connector comprises first insulating body, be fixed in some the first terminals of first insulating body and be shielded in first housing in first insulating body outside; Insulating body has hyoplastron and is arranged at some holding slots of hyoplastron, and conducting terminal comprises contact site and the main part that extends from contact site, and main part is fixed in the holding slot; Butt connector comprises second insulating body, be fixed in second terminal of insulating body and be shielded in second housing of second insulating body; The plurality of terminals groove that second insulating body has the butt joint chamber and is communicated with the butt joint chamber, second terminal comprise docking section and the holding parts that extends from the docking section, and holding parts is fixed in the terminal groove; Contact site cooperates with the mutual butt in docking section, it is characterized in that: said contact site and docking section be the main part and the attenuation of holding parts thickness of its extension relatively.

7. electric connector combination as claimed in claim 6, it is characterized in that: the contact site of said the first terminal is the elastic protrusion shape, and the docking section of second terminal is tabular.

8. electric connector combination as claimed in claim 7 is characterized in that: said the first terminal comprises that autonomous body extends and the weld part of thickness attenuation, and second terminal comprises the connecting portion from holding parts extension and thickness attenuation.