CN206490257U - Connector construction - Google Patents

Abstract

A kind of connector construction, includes an insulating body, multiple terminals and an earthing member.Insulating body includes forming multiple grooves on base portion and the tongue protruded out from base portion, tongue, and base portion is provided with caulking groove, and caulking groove is communicated in groove.Multiple terminals are located at groove, wherein terminal includes upper row's terminal and lower row's terminal, upper row's terminal includes upper ground terminal and upper signal terminal, and lower row's terminal includes lower ground terminal and lower signal terminal, and signal terminal in lower signal terminal with forming multiple Difference signal pairs on this is a little.Earthing member is arranged at caulking groove, it includes body and upper grounding elastic part and lower grounding elastic part located at body, the upper upper ground terminal of grounding elastic part extension contact, the lower lower ground terminal of grounding elastic part extension contact, body is provided with the hollow-out parts corresponding to Difference signal pair.

Description

Connector construction

Technical field

The utility model is related to a kind of connector construction, espespecially a kind of connector construction to transmit high-frequency signal.

Background technology

Electric connector provides the pipeline of signal connection using multiple signal contacts between electronic installation.Now with electricity Sub- product is more with frivolous multi-functional for design premises, therefore interiors of products is provided to the space of each electronic building brick assembling increasingly It is small, thus the design of electric connector is also and then less and less, therefore the grade signal contact in electric connector must be limited Space in make closely spaced design, so easily lead to produce improperly interference or " string between adjacent signal contacts Sound " phenomenon, this i.e. signal in a signal contact is led to electrically dry in an adjacent signal contacts due to electric interfering field Cross-talk will occur when disturbing, its thus can destroy signal integrity so that electric connector can not smoothly transmit true correct letter Number give each electronic building brick.

Above-mentioned cross talk phenomenon can increase as the distance between the signal contact mutually disturbed shortens, and in order to reduce Cross talk phenomenon, the general practice can be dropped by adjacent signal contacts or adjacent differential signal pair is separated using ground contact It is low.With electronic installation miniaturization and high speed transmission of signals, the electronic communication of high signal integrity and the reduction of cross-talk become to connect Connect the key factor in device design.It is desirable to provide an Improvement type connector construction, it can be effectively reduced cross-talk It is improper to occur, in particular for the application of high speed connector.

Utility model content

Existing connector is not provided with ground structure to reduce cross talk phenomenon, so the effect that electric interfering field is excluded is not very It is good, it is easy to cause the problem of signal integrity is destroyed, thus cause to meet client for high signal integrity with stably The requirement of property.

The utility model provides a kind of connector construction, including an insulating body, multiple terminals and an earthing member, wherein Insulating body includes base portion and extends the tongue of protrusion forward from base portion, and tongue has the upper surface being oppositely arranged up and down and following table Face, and in forming multiple grooves on upper surface and lower surface, base portion is provided with a caulking groove, and the caulking groove is communicated at least a part of be somebody's turn to do A little grooves.Multiple terminals are arranged at those grooves, wherein those terminals include the multiple upper row's terminals being arranged on upper surface and Multiple lower row's terminals on lower surface are arranged at, row's terminal includes multiple upper ground terminals and multiple upper signal terminals on those, Those lower row's terminals include multiple lower ground terminals and multiple lower signal terminals, signal terminal and those lower signal terminals on those A middle formation at least Difference signal pair.Earthing member is arranged at the caulking groove of base portion, and earthing member includes a body and is arranged at body Multiple upper grounding elastic parts and multiple lower grounding elastic parts in portion, grounding elastic part, which is extended to, on those contacts ground terminal on those, Those lower grounding elastic parts, which are extended to, contacts those lower ground terminals, and body is provided with an at least hollow-out parts, hollow-out parts correspondence Set in Difference signal pair.

The utility model provides connector construction, and it on the base portion of insulating body using an earthing member is provided with, and this connects The lower grounding elastic part of upper grounding elastic part and contact lower ground terminal of the ground part provided with accessible upper ground terminal, such structure is set The problem of meter can solve the cross talk phenomenon of existing connector and cause signal integrity distortion.In addition, being additionally provided with earthing member Hollow-out parts, this hollow-out parts correspond to the terminal for differential signal transmission, use the characteristic impedance of control connector structure.

Brief description of the drawings

Fig. 1 is the schematic perspective view of connector construction of the present utility model.

Fig. 2 is Fig. 1 connector construction in the schematic perspective view of other direction.

Fig. 3 is the decomposing schematic representation of Fig. 1 connector construction.

Fig. 4 for Fig. 3 connector construction in insulating body schematic perspective view.

Fig. 5 for Fig. 3 connector construction in earthing member schematic perspective view.

Fig. 6 overlaps the schematic perspective view of lower row's terminal for the earthing member of Fig. 1 connector construction.

Fig. 7 overlaps the schematic perspective view for arranging terminal for the earthing member of Fig. 1 connector construction.

Fig. 8 be connector construction of the present utility model in another earthing member schematic perspective view.

Reference numerals explanation：

1 connector construction

2 insulating bodies

201 first interfaces

202 second interfaces

203 the 3rd interfaces

204 the 4th interfaces

21 base portions

211 antethecas

212 rear walls

22 tongues

221 upper surfaces

222 lower surfaces

23 boss

24 grooves

Groove is arranged on 241

242 times row's grooves

25 caulking grooves

3 terminals

Terminal is arranged on 31

Ground terminal on 311

Signal terminal on 312

Difference signal pair on 313

32 times row's terminals

321 times ground terminals

322 times signal terminals

323 times Difference signal pairs

4 earthing members

Grounding elastic part on 41

Shell fragment on 411 first

Shell fragment on 412 second

Shell fragment on 413 the 3rd

42 times grounding elastic parts

421 first time shell fragment

422 second time shell fragment

423 the three times shell fragments

43 bodies

431 leading edges

432 trailing edges

44 hollow-out parts

441 first emptying apertures

442 second emptying apertures

45 interference parts

5 pads

Embodiment

Fig. 1 to Fig. 7 is referred to, the utility model provides a kind of connector construction 1, and it is exhausted that this connector construction 1 includes one Edge body 2, multiple terminals 3, an earthing member 4 and two pads 5, this connector construction 1 are fixedly welded on a circuit board (not illustrating) On.

Insulating body 2 has a base portion 21 and extends the tongue 22 of protrusion forward from base portion 21, and tongue 22 has phase up and down To the upper surface 221 of setting and lower surface 222, tongue 22 is provided with a boss 23 in upper surface 221, and the boss 23 is by upper surface 221 are defined as the first interface 201 and the second interface 202, in the 3rd interface 203 of formation of lower surface 222, and in boss 23 The 4th interface 204 of upper formation, in the present embodiment, the area of the first interface 201 be less than the area of the second interface 202 with Formed in matching design demand, and the first interface 201, the second interface 202, the 3rd interface 203 and the 4th interface 204 Multiple grooves 24, base portion 21 is provided with a caulking groove 25, and this caulking groove 25 may be selected to be communicated in those at least a part of grooves 24.Base portion 21 include an antetheca 211 and a rear wall 212, and tongue 22 extends forward protrusion from the antetheca 211 of base portion 21, and caulking groove 25 is formed at base The rear wall 212 in portion 21, those grooves 24 are extended back through the antetheca 211 and rear wall 212 of base portion 21, and wherein those grooves 24 are wrapped Multiple upper row's grooves 241 and multiple lower row's grooves 242 are included, and caulking groove 25 is located at row's groove 241 and those lower row's grooves on those Between 242.

Multiple terminals 3 are arranged at those grooves 24, wherein those terminals 3 include being arranged at the first interface 201, second pair Multiple upper row's terminals 31 on the interface 204 of junction 202 and the 4th and the multiple lower row's terminals being arranged on the 3rd interface 203 32, and row's terminal 31 includes multiple upper ground terminals 311 and multiple upper signal terminals 312 on those, those lower row's terminals 32 are wrapped Include multiple lower ground terminals 321 and multiple lower signal terminals 322.In the present embodiment, the length of upper ground terminal 311 is more than upper Signal terminal 312, and the length of lower ground terminal 321 is more than lower signal terminal 322, uses and reaches preferably earthing effect, on The row's of the being arranged at groove 241 of terminal 31 is arranged, lower row's terminal 32 is arranged at lower row's groove 242, and caulking groove 25 is located at upper row's terminal 31 Between lower row's terminal 32.

Earthing member 4 is arranged at the caulking groove 25 of base portion 21, and earthing member 4 includes multiple upper grounding elastic parts 41 and multiple lower ground connection bullets Piece 42, upper grounding elastic part 41 is tilted upward extends to the upper ground terminal 311 of contact, and lower grounding elastic part 42, which is downwardly inclined to extend to, to be connect Ground terminal 321 is touched down, the problem of can so solving cross talk phenomenon.In the present embodiment, earthing member 4 include a body 43 and Multiple upper grounding elastic parts 41 and lower grounding elastic part 42 on body 43 are arranged at, body 43 is included after a leading edge 431 and one Edge 432, the trailing edge 432 of body compared with leading edge 431 closer to the rear wall 212 of base portion 21, grounding elastic part 41 and lower ground connection on those Shell fragment 42 is all arranged at trailing edge 432 and extended towards the direction of rear wall 212 of base portion 21, in addition, in being additionally provided with use on body 43 Interference part 45 with the hollow-out parts 44 of modulating properties impedance and to be fixed on insulating body 2.

In the present embodiment, due to multiple upper signal terminals 312 only on the first interface 201 and located at the 3rd Multiple lower signal terminals 322 on interface 203 have for differential signal transmission, therefore are arranged on the first interface 201 Multiple upper signal terminals 312 form multiple upper Difference signal pairs 313, while being arranged at multiple lower letters on the 3rd interface 203 Number terminal 322, which is formed, is provided with upper ground terminal 311, phase between multiple lower Difference signal pairs 323, adjacent upper Difference signal pair 313 Lower ground terminal 321 is provided between the lower Difference signal pair 323 of neighbour, cross talk phenomenon can be so reduced.In addition, engraving on body 43 Empty portion 44 corresponds to those upper and lower Difference signal pairs 313,323 and set, and uses the size of control characteristic impedance, wherein hollow-out parts 44 include multiple emptying apertures, and those emptying apertures correspond to Difference signal pair 313 on those and set with lower Difference signal pair 323, in this reality Apply in example, those emptying apertures include multiple first emptying apertures 441 and multiple second emptying apertures 442, the first emptying aperture 441 is believed corresponding to upper difference Number set to 313, the second emptying aperture 442 sets corresponding to lower Difference signal pair 323, be so designed that and may be such that body 43 in structure It is upper to maintain certain intensity.

It is understood that in the present embodiment, Difference signal pair 313 is arranged on the first interface 201 on those, should Lower Difference signal pairs 323 are arranged on the 3rd interface 203 a bit, and the body 43 of earthing member 4 is located at the first interface 201 and the Between three interfaces 203, Difference signal pair 313 and those lower Difference signal pairs 323 are in the body perpendicular to earthing member 4 on those Projection part in portion 43 does not overlap, in other words, upper Difference signal pair 313 and lower Difference signal pair 323 in vertical direction simultaneously It is not that, just to being just oppositely arranged up and down, therefore both have a range difference in the horizontal direction, therefore foregoing the first emptying aperture 441 is not Difference signal pair 313 and lower Difference signal pair 323 can be corresponded to simultaneously, and similarly the second emptying aperture 442 will not also be corresponded to simultaneously Upper Difference signal pair 313 and lower Difference signal pair 323.

It is noted that in the present embodiment, the configuration of upper grounding elastic part 41 and lower grounding elastic part 42 on earthing member 4 According to the differential signal transmitted in upper row's terminal 31 and lower row's terminal 32 design for especially select protection, and provided with upper The terminal 3 of Difference signal pair 313 and lower Difference signal pair 323 is only positioned at the first interface 201 and corresponding to the position area of boss 23 On 3rd interface 203 in domain, in other words, the terminal 3 set by other most regions on the 3rd interface 203 is not Have for differential signal transmission, therefore, the configuration of upper grounding elastic part 41 and lower grounding elastic part 42 in the present embodiment is designed, root According to foregoing principle can inference understand that position of grounding elastic part 41 corresponds only to the first interface 201 and set on those, and under those The position of grounding elastic part 42 corresponds only to just be set by projection part of the band of position of boss 23 on the 3rd interface 203 Put.

In the present embodiment, multiple upper grounding elastic parts 41 on the body 43 of earthing member 4 include shell fragment on first 411st, shell fragment 413 on shell fragment 412 and the 3rd on second, shell fragment 412 is located on first shell fragment on shell fragment 411 and the 3rd on second Between 413, multiple lower grounding elastic parts 42 on body 43 include first time shell fragment 421, second time shell fragment 422 and the three times bullets Piece 423, second time shell fragment 422 is located between first time shell fragment 421 and the three times shell fragments 423, wherein shell fragment 411 on first, the On two on shell fragment the 412, the 3rd shell fragment 413, first time shell fragment 421, second time shell fragment 422 and the three times shell fragments 423 along body The length direction sequential in portion 43 is set, and second time shell fragment 422 position compared with first on shell fragment 411 be closer to boss 23 Such demand to meet in design.

In addition, as shown in figure 5, shell fragment 413 is adjacent to first time shell fragment 421, and shell fragment 413 and first on the 3rd on the 3rd The distance between lower shell fragment 421 is less than on the 3rd the distance between shell fragment 412 on shell fragment 413 and second, on the 3rd shell fragment 413 and The distance between first time shell fragment 421 is less than the distance between first time shell fragment 421 and second time shell fragment 422.In the present embodiment In, the distance between shell fragment 412 is about substantially equal on second bullet on shell fragment 412 and the 3rd on shell fragment 411 and second on first The distance between the distance between piece 413, first time shell fragment 421 and second time shell fragment 422 are about substantially equal to second time shell fragment The distance between 422 and the three times shell fragments 423.

It is understood that in the present embodiment, hollow-out parts 44 correspond to a upper difference using two the first emptying apertures 441 Signal is set to 313 mode, that is, first emptying aperture 441 corresponds only to a upper signal terminal 312, therefore on first Provided with two the first emptying apertures 441 between shell fragment 412 on shell fragment 411 and second, on second on shell fragment 412 and the 3rd shell fragment 413 it Between provided with two the first emptying apertures 441, right not limited to this, alternatively, as shown in figure 8, two the first emptying apertures 441 can also be closed And into a first big emptying aperture 441, this first emptying aperture 441 can correspond to the mode of Difference signal pair 313 on one to set simultaneously Put, similarly can also spread to the second emptying aperture 442, in other words, the utility model does not limit the size of the emptying aperture of hollow-out parts 44, quantity With shape, as long as it can correspond at least a part of of Difference signal pair, that is, a variety of emptying apertures may be selected come pair Should be in Difference signal pair, the so purpose to reach modulating properties impedance.

In summary, connector construction of the present utility model is utilized is provided with an earthing member on the base portion of insulating body, this The lower grounding elastic part of upper grounding elastic part and contact lower ground terminal of the earthing member provided with accessible upper ground terminal, such structure is set The problem of meter can solve the cross talk phenomenon of existing connector and cause signal integrity distortion.In addition, being additionally provided with earthing member Hollow-out parts, this hollow-out parts correspond to the terminal for differential signal transmission, use the characteristic impedance of control connector structure.

Claims (10)

1. a kind of connector construction, it is characterized in that, the connector construction includes：

One insulating body, the insulating body includes a base portion and extends a tongue of protrusion forward from the base portion, and the tongue has The upper surface being oppositely arranged up and down and a lower surface, and in the upper surface with forming multiple grooves on the lower surface, the base portion A caulking groove is provided with, the caulking groove is communicated in those at least a part of grooves；

Multiple terminals, are arranged at those grooves, wherein those terminals include the multiple upper row's terminals being arranged on the upper surface and Multiple lower row's terminals on the lower surface are arranged at, row's terminal includes multiple upper ground terminals and multiple upper signal ends on those Son, those lower row's terminals include multiple lower ground terminals and multiple lower signal terminals, signal terminal and those lower signals on those An at least Difference signal pair is formed in terminal；And

One earthing member, is arranged at the caulking groove of the base portion, and the earthing member includes a body and is arranged at many on the body Individual upper grounding elastic part and multiple lower grounding elastic parts, grounding elastic part, which is extended to, those on contacts ground terminal on those, connects under those Ground shell fragment, which is extended to, contacts those lower ground terminals, and the body is provided with an at least hollow-out parts, and the hollow-out parts correspond to the difference Sub-signal is to setting.

2. connector construction as claimed in claim 1, it is characterized in that, the tongue is provided with a boss in the upper surface, and this is convex The upper surface is defined as one first interface and one second interface by platform, and the area of first interface is less than second docking The area in face, and one the 3rd interface is formed in the lower surface, and first interface, second interface are docked with the 3rd Those grooves are formed on face.

3. connector construction as claimed in claim 2, it is characterized in that, the base portion includes an antetheca and a rear wall, and the tongue is certainly The antetheca of the base portion extends forward protrusion, and the caulking groove is formed at the rear wall of the base portion, and the body includes a leading edge and one Trailing edge, the trailing edge of the body is compared with the leading edge closer to the rear wall of the base portion, and those lower grounding elastic parts on those with being grounded Shell fragment is all arranged at the trailing edge and extended towards the rear wall direction of the base portion.

4. connector construction as claimed in claim 2, it is characterized in that, signal terminal is formed with those lower signal terminals on those Multiple Difference signal pairs, those Difference signal pairs include multiple upper Difference signal pairs and multiple lower Difference signal pairs, on those Difference signal pair is arranged on first interface, and those lower Difference signal pairs are arranged on the 3rd interface, the hollow-out parts Set corresponding to Difference signal pair on those and those lower Difference signal pairs.

5. connector construction as claimed in claim 4, it is characterized in that, the hollow-out parts include multiple emptying apertures, those emptying apertures difference Set corresponding to Difference signal pair on those and those lower Difference signal pairs, those emptying apertures include multiple first emptying apertures and multiple the Two emptying apertures, those first emptying apertures correspond to Difference signal pair on those and set, and those second emptying apertures correspond to those lower difference letters Number to set.

6. the connector construction as any one of claim 2 to claim 5, it is characterized in that, grounding elastic part on those Set corresponding to first interface, those lower grounding elastic parts correspond to the projection by the boss on the 3rd interface Part is set.

7. connector construction as claimed in claim 6, it is characterized in that, grounding elastic part includes shell fragment, second on first on those Shell fragment on upper shell fragment and the 3rd, this on second shell fragment be located at this on first on shell fragment and the 3rd between shell fragment, those lower ground connection bullets Piece includes first time shell fragment, second time shell fragment and the three times shell fragments, and second time shell fragment is located under first time shell fragment and the 3rd Between shell fragment, the shell fragment on first, the shell fragment on second, on the 3rd shell fragment, first time shell fragment, second time shell fragment with should Length direction sequential of the three times shell fragments along the body is set, and second time shell fragment compared with this on first shell fragment more lean on The nearly boss.

8. connector construction as claimed in claim 7, it is characterized in that, shell fragment is adjacent to first time shell fragment on the 3rd, and The distance between shell fragment and first time shell fragment are less than on the 3rd shell fragment and the distance between the shell fragment on second on 3rd, The distance between shell fragment and first time shell fragment are less than the distance between first time shell fragment and second time shell fragment on 3rd.

9. connector construction as claimed in claim 8, it is characterized in that, this on first shell fragment and this on second between shell fragment away from From being substantially equal to the distance between the shell fragment on shell fragment and the 3rd on second, between first time shell fragment and second time shell fragment Distance be substantially equal to the distance between second time shell fragment and the three times shell fragments.

10. the connector construction as any one of claim 2 to claim 3, it is characterized in that, signal terminal on those Multiple upper Difference signal pairs are formed, those lower signal terminals form multiple lower Difference signal pairs, and Difference signal pair is set on those In on first interface, those lower Difference signal pairs are arranged on the 3rd interface, and it is empty that the hollow-out parts include multiple first Hole and multiple second emptying apertures, those first emptying apertures correspond to Difference signal pair on those and set, and those second emptying apertures correspond to should Lower Difference signal pairs are set a bit, provided with least 1 first emptying aperture, the wantonly two lower grounding elastic parts between wantonly two grounding elastic parts on this Between be provided with least 1 second emptying aperture.