CN205621919U - Electronic connector - Google Patents

Abstract

The utility model provides an electronic connector, contains an insulator, a plurality of conductive terminal and a ground connection piece, and this insulator has an insulator and a tongue, and this tongue extends from this insulator one side, a plurality of conductive terminal contain a plurality of ground terminal and a plurality of signal terminal staggered arrangement, and a plurality of ground terminal and a plurality of signal terminal have a contact site, a tail end respectively and connect this contact site and this tail end's a main part, a plurality of extensions that the ground connection piece contains an electrically conductive body and extends from this electrically conductive body, the at least side of each extension has the portion that restrains respectively, wherein ground terminal this main part do not with this extension respectively pile up and with the side should restrict portion's contact, and this ground connection piece fixes in this insulator with the main part, contact segment do not arranges on this hyoplastron surface, this tail end extends this insulator. Utilize the ground connection piece to connect ground terminal, an extension and a contained problem that provides great area and ground terminal contact, effectual reduction crosstalk interference.

Description

Electric power connector

Technical field

This utility model relates to a kind of electric power connector, refers in particular to have a kind of electric power connector transmitting high-frequency signal.

Background technology

Owing to information technology is flourish, in order to provide different transmission demand, and develop various different transmission standard, From SCSI (Small Computer System Interface) in early days SAS (Serial Attached till now SCSI, serial SCSI), the demand serial technology for high speed information access solves the bottleneck of Traditional parallel technology, it is provided that more Quickly signal transfer functions and SAS can support and with SATA (Serial Advanced Technology Attachment) equipment is compatible, has generally applicable advantage.

Under the demand of high speed information transmission and adapter volume downsizing, the arrangement between multiple terminals tends to tight, The frequency of signal transmission also tends to high-frequency transmission, therefore adapter easily produces signal disturbing, due to two signals when transmitting data Getting too close to because of distance between terminal, described signal terminal produces capacitive character and inductance among the process that high-frequency signal send each other Property coupling, have cross-talk (cross talk) interference and noise (noise) problem produce, and then have impact on signal transmission Speed and accuracy.

In order to overcome the problem in cross-talk, it is provided with a ground connection between two transmission high-frequency signal terminals in the prior art Terminal, can produce the coupling of described signal terminal interference each other, this ground terminal for intercepting above-mentioned two signal terminals Electric capacity and inductance noise give ground connection, reduce the effect of signal disturbing, but this kind solves the technological means of cross-talk Still suffer from the space of improvement.

For improving the problem of cross-talk, the U.S. the 2013/0149882nd Patent Application Publication case discloses a kind of electricity Adapter, as shown in figure 11, this electric connector has an insulating body A, is arranged in multiple conducting terminal B of this insulating body A And a ground strip C.This insulating body A comprises a base portion A1 and a hyoplastron A2, the described conducting terminal B tool extended from this base portion A1 Have multiple ground terminal B1 and a multiple signal terminal (figure is undisclosed), and described ground terminal B1 comprise respectively a contact site B11, One weld part B13 and connect maintaining part B12 of this contact site B11 and weld part B13, this contact site B11 is arranged in this hyoplastron The plane of A2, this maintaining part B12 is arranged in this base portion A1, and this weld part B13 each extends over out this base portion A1, can be with a circuit Plate (figure is undisclosed) is electrically connected with.Described conducting terminal B comprises in putting in order between at least two ground terminal B1 and there is a signal Terminal (figure is undisclosed).This ground strip C has multiple elastic arm C1 (Finger) and a beam portion C2, and described elastic arm C1 is by this beam portion C2 Extending and be electrically connected with, wherein said elastic arm C1 contacts maintaining part B12 in described ground terminal B1 and is arranged at this insulation originally In body A.

In this aforementioned techniques, described ground terminal B1 is electrically connected with by the described elastic arm C1 of this ground strip C is Integrally, the noise ground therefore described signal terminal (figure is undisclosed) high frequency transmission signal produced, it is possible to decrease this electric connector Cross-talk problem.

The most in the prior art, described ground terminal B1 and this ground strip C uses a corresponding elastic arm C1 to connect, but The contacting of little area it is only between this maintaining part B12 of described ground terminal B1 with described elastic arm C1, therefore described ground terminal B1 When transmitting interference noise ground connection with this ground strip C, because contact area is less, and then make the transfer rate of noise ground relatively slowly, Cause the problem that this electric connector still suffers from high-frequency signal interference；And described elastic arm C1 and described ground terminal B1 was assembling The yield of journey para-position, described elastic arm C1 contact the laminating situation of described ground terminal B1, can be all that to affect noise ground bad One of factor.

Owing to the prior art cannot provide preferably cross-talk ameliorative way to meet industry actual demand, it is therefore desirable to There is provided the technical scheme of a kind of improvement to overcome predicament.

Utility model content

The purpose of this utility model is to provide a kind of electric power connector, and this adapter can transmit high-frequency signal, and this is even Connect utensil and have an earthing member when multiple signal terminals transmission high-frequency signal, the problem that can effectively reduce cross-talk.

The purpose of this utility model is to provide a kind of electric power connector, and this earthing member has the portion that restrains and an extension a pair Portion, this extension and described contained portion may be used to fixing and increase the area with multiple ground terminal contact, effectively by interference The rapid ground connection of noise, to improve transmission yield and the speed of this electric power connector.

For reaching above-mentioned purpose, this utility model provides a kind of electric power connector, and this electric power connector has an insulator, many Individual conducting terminal and an earthing member.This insulator has an insulating body and a tongue, and this tongue prolongs from this insulating body side Stretch；The plurality of conducting terminal comprises multiple ground terminal and multiple signal terminal is staggered, and the plurality of ground terminal It is respectively provided with a contact site, a tail end with the plurality of signal terminal and is connected a main body of this contact site and this tail end Portion.This earthing member has a conductive body and multiple extension, and described extension extends from this conductive body, each extension At least one side is respectively provided with one and restrains portion, respectively this main part of this ground terminal at least partly with respectively this extension stacking and with This contained portion of side contacts, and the described main part of this earthing member and described ground terminal is fixed in this insulating body, institute Stating tail end and extend this insulating body respectively, described contact site is respectively arranged on multiple surfaces of this tongue.

According to an embodiment of the present utility model, each of which extension is respectively provided with one and restrains portion, this extension and This contained portion this main part with corresponding respectively this ground terminal respectively interferes with each other.

According to an embodiment of the present utility model, each of which extension is respectively provided with relative two and restrains portion, this extension Portion and described contained portion this main part with corresponding respectively this ground terminal respectively interferes with each other.

According to an embodiment of the present utility model, wherein said extension is extended towards tongue direction by this conductive body.

According to an embodiment of the present utility model, wherein this insulating body has multiple slotted eye, described conducting terminal and This earthing member is fixed in this insulator by described slotted eye.

According to an embodiment of the present utility model, wherein the described surface of this tongue has multiple terminal groove and can hold respectively Put respectively this contact site of described conducting terminal.

According to an embodiment of the present utility model, wherein this earthing member is between two row's terminals.

According to an embodiment of the present utility model, wherein the more described extension of this conductive body is near described conducting terminal This tail end.

According to an embodiment of the present utility model, the arrangement of wherein said conducting terminal includes that at least one signal terminal is positioned at Between two ground terminals.

According to an embodiment of the present utility model, respectively this ground terminal is executed by the contained portion of wherein said earthing member respectively Power, makes respectively this contained portion convergence mutual to described ground terminal of this earthing member.

This utility model utilizes earthing member to be electrically connected with by described first ground terminal and is integrated, and described extension is with described Contained portion provides bigger area and the first ground terminal contact, it is provided that is preferably electrically connected with effect, effectively reduces The problem of cross-talk, makes this electric power connector have good effect when transmitting high-frequency signal.

In order to be further understood that feature of the present utility model, feature and technology contents, refer to below in connection with this The detailed description of utility model and accompanying drawing, and Figure of description only provides reference and explanation use, is not used to limit this utility model.

Accompanying drawing explanation

Fig. 1 is this utility model embodiment stereo appearance figure.

Fig. 2 is the explosive view of this utility model embodiment.

Fig. 3 is the explosive view at another visual angle of this utility model embodiment.

Fig. 4 is the part-structure figure of this utility model embodiment.

Fig. 5 is the part-structure figure of this utility model embodiment.

Fig. 6 is the part-structure figure of this utility model embodiment.

Fig. 7 is the part-structure figure of this utility model embodiment.

Fig. 8 is the part-structure figure of this utility model embodiment.

Fig. 9 is the part-structure figure of this utility model embodiment.

Figure 10 is the part-structure figure of this utility model embodiment.

Figure 11 is the accompanying drawing that this utility model prior art United States Patent (USP) discloses No. 2013/0149882 patent.

Wherein, description of reference numerals is as follows:

A insulating body A1 base portion

A2 hyoplastron B conducting terminal

B1 ground terminal B11 contact site

B12 maintaining part B13 weld part

C ground strip C1 elastic arm

C2 beam portion 1 electric power connector

2 insulator 21 insulating bodies

22 tongue 221 terminal grooves

222 lobe 223 first surfaces

224 second surface 225 the 3rd surfaces

23 guide part 231 docking recess

24 projective structure 241 protuberances

25 slotted eye 3 conducting terminals

31 the first terminal 311 first ground terminals

3111 first contact site 31,111 first extensions

3112 first main part 3,113 first tail ends

312 first signal terminal 32 second terminals

33 the 3rd terminal 4 earthing members

41 conductive body 42 extensions

43 restrain portion

Detailed description of the invention

Refer to shown in Fig. 1-3, be that the electric power connector 1 of this utility model embodiment transmits high-frequency signal for a kind of Device.This electric power connector 1 is mainly made up of an insulator 2, multiple conducting terminal 3 and an earthing member 4, this electric power connector 1 can be fixed on a circuit board (figure is undisclosed), and can dock with a butt connector (figure is undisclosed).

In this utility model preferred embodiment is open, refer to Fig. 2, Fig. 3 and Fig. 4, this insulator 2 comprises an insulation originally Body 21, one tongue 22 and two guide parts 23, this tongue 22 extends from this insulating body 21 one side, and guide part 23 is respectively formed in These insulating body 21 both sides and this equidirectional extension of tongue 22, and guide part 23 is respectively provided with one and connects groove 231, and it is positioned at this tongue The opposite sides in portion 22；This insulating body 21 is oppositely extending two projective structures 24 at guide part 23, each below projective structure 24 Being provided with a protuberance 241, protuberance 241 can be used for engaging with this circuit board (figure is undisclosed), and wherein protuberance 241 can be column structure. This insulating body 21 extends the relative another side of this tongue 22 and is provided with multiple slotted eye 25, and slotted eye 25 is in two row's arrangements and runs through this Insulating body 21.This tongue 22 apparent surface is set to first surface 223 and a second surface 224, this first surface 223 On there is a lobe 222, this lobe 222 has one the 3rd surface 225, this first surface 223, second surface 224 and Multiple terminal groove 221 it is respectively provided with, the groove that terminal groove 221 is corresponding with on this insulating body 21 respectively on 3rd surface 225 Hole 25 is connected.

In this utility model preferred embodiment is open, refer to Fig. 2, Fig. 6 and Fig. 7, conducting terminal 3 is respectively provided with setting In this tongue 22 this first surface 223 multiple the first terminals 31, be arranged at multiple second terminals 32 of this second surface 224 And it being arranged at multiple 3rd terminals 33 on the 3rd surface 225, the first terminal 31 is included on this first surface 223 arrangement Multiple first ground terminals 311 and multiple first signal terminal 312.The first terminal the 31, second terminal 32 and the 3rd terminal 33 Structure is identical, therefore following explanation as a example by the first ground terminal 311, the first ground terminal 311 is respectively provided with one first contact site 3111, one first tail end 3113 and connect one first main part of this first contact site 3111 and this first tail end 3113 3112, the first ground terminal 311 can be inserted in this insulator 2, the first contact site by the slotted eye 25 on this insulating body 21 respectively 3111 are arranged in the terminal groove 221 on this tongue 22 respectively, and the first contact site 3111 front end is respectively provided with one first extension 31111, the first extension 31111 is respectively smaller than the thickness of the first corresponding contact site 3111 and forms one section of difference, and first prolongs Extending portion 31111 is inserted in terminal groove 221 front end respectively, in order to fix the first ground terminal 311, it is to avoid the first ground terminal 311 Because being extruded by external force when docking with this butt connector (figure is undisclosed), the first contact site 3111 is produced warpage；Every one end In pilot trench 221, dual-side is respectively provided with the inclined-plane width in order to limit terminal groove 211 front end, and can coordinate the first contact site 3111 The width of front end, make the structure wider when plugging of the first ground terminal 311 can backstop in inclined-plane, it is to avoid terminal is excessively inserting；The First main part 3112 of one ground terminal 311 is fixed among the slotted eye 25 of this insulating body 21, the first tail end 3113 edge The first main part 3112 to extend outside this insulating body 21, and solderable this circuit board that is connected to of the first tail end 3113 (is schemed public Open) on, the method for welding can use surface mount technology (SMT, Surface Mount Technology), and conducting terminal 3 removes The available mode plugged is fixed in this insulator 2, also will be able to be led by embedment injection molding method (insert molding) Electric terminal 3 is overmolded on this insulator 2.

Refer to Fig. 5 and Fig. 6, the first terminal 31 is staggered shape by the first ground terminal 311 and the first signal terminal 312 Becoming, its arrangement mode is a differential signal terminals pair and first ground terminal 311 of two positive and negative first signal terminals 312 compositions Composition, be a differential signal terminals pair between two these adjacent first ground terminals 311, two differential signal terminals between by one First ground terminal 311 separates, and it is arranged as: ground terminal-signal terminal-signal terminal-ground terminal (G-S-S-G) arrangement Mode is the composition of unit, and this kind of arrangement mode can effectively will be in the first signal terminal 312 by the first ground terminal 311 The high frequency differential signal (differential signal) of transmission produced interference ground connection so that it is his conducting terminal 3 can drop Interference each other between low signal；The second terminal 32 being positioned on this second surface 224 is because having identical with the first terminal 31 Structure and arrangement mode, therefore do not add at this to repeat.

In this utility model preferred embodiment is open, refer to Fig. 2 and Fig. 3, this earthing member 4 comprises a conductive body 41 And extending multiple extension 42 from this conductive body 41 toward this tongue 22 direction, each extension 42 is respectively provided with at least one and arrests Bundle portion 43；Refer to Fig. 7, Fig. 9 and Figure 10, in the first embodiment, each extension 42 of this earthing member 4 is respectively provided with one and arrests Bundle portion 43, the bending of this contained portion 43 this extension 42 vertical, this contained portion 43 can be located at 42 liang of longer side limits of this extension its Middle side；Respectively this first main part 3112 of first ground terminal 311 is respectively arranged at respectively this contained portion 43 and each extension 42 The accommodation space formed, respectively this first main part 3112 stacks with respectively this extension 42 of this earthing member 4 and and extension respectively Respectively this contained portion 43 of 42 sides interferes (Interference), makes the first main part 3112 and extension 42 and contained portion 43 electricity Property connect, and respectively this first ground terminal 311 exerts a force by respectively this contained portion 43 of this earthing member 4, make this earthing member 4 respectively this is arrested Bundle portion 43, to respectively this mutual convergence of the first ground terminal 311, also makes to restrain portion 43 and contacts the tightest with the first ground terminal 311 Close, earthing effect is more stable；Extension 42, restrain the interference of portion 43 and the first main part 3112 can increase this earthing member 4 and The contact area of the first ground terminal 311, promotes the electrical efficiency of ground connection, makes the first ground terminal 311 be incited somebody to action by this earthing member 4 Electric connection is integrated, and this earthing member 4 and the first main part 3112 are together inserted in the slotted eye 25 of this insulating body 21 and consolidate Being scheduled in this insulating body 21, this insulating body 21 is coated with this earthing member 4, and this earthing member 4 can be avoided to be damaged by external force；Should The position of conductive body 41 relatively extension 42 is near the first tail end 3113, in order to avoid the first signal terminal 312 and this conduction Body 41 turns on, therefore the first terminal 31 is walked around this conductive body 41 by design, to avoid the problem of short circuit to occur.

Referring to Fig. 7 and Fig. 8, in the second embodiment, each extension 42 of this earthing member 4 is respectively provided with relative two and restrains Portion 43, restrains portion 43 bending this extension 42 vertical, and contained portion 43 is respectively arranged on the opposite sides that this extension 42 is longer Limit；Respectively this first main part 3112 of first ground terminal 311 is respectively arranged at respectively this extension corresponding thereto of contained portion 43 The accommodation space that portion 42 is formed, respectively this first main part 3112 respectively this extension 42 with this earthing member 4 respectively stacks and with two Respectively this contained portion 43 of side interferes, and makes the first main part 3112 be electrically connected with extension 42 and contained portion 43, this earthing member 4 Restrain portion 43 by two respectively to apply a chucking power and this first main part 3112 can be fixed on two and restrain between portion 43, this earthing member Corresponding respectively this first ground terminal 311 is exerted a force by the contained portion 43 of 4 respectively, makes to restrain portion 43 to the first ground terminal 311 Mutually convergence, also makes to restrain portion 43 and contacts the tightst with the first ground terminal 311, and earthing effect is more stable；Restrain portion 43 In addition to there is fixing effect, also increase the first ground terminal 311 and the contact area of this earthing member 4, ground connection can be promoted Effect, make the first ground terminal 311 electric connection be integrated by this earthing member 4, and this earthing member 4 and first main part 3112 are together inserted in slotted eye 25 and are fixed in insulating body 21, and this insulating body 21 is coated with this earthing member 4, and this can be avoided to connect Ground part 4 is damaged by external force；The position of this conductive body 41 relatively extension 42 is near the first tail end 3113, in order to avoid One signal terminal 312 turns on this conductive body 41, therefore the first terminal 31 is walked around this conductive body 41, to avoid short circuit by design Problem occur；This earthing member 4 is fixed in this insulating body 21, and its position is just between the first terminal 31 and the second terminal 32 Between, and this earthing member 4 contacts with the first ground terminal 311, using the teaching of the invention it is possible to provide the screen between the first terminal 31 and the second terminal 32 Cover function, reduce electromagnetic interference between the two.

First ground terminal 311 except by overlapping with extension 42 be electrically connected with in addition to, the first ground terminal 311 also with Restrain portion 43 to contact, reach the contacting of larger area with contained portion 43 with the first ground terminal 311 by extension 42, produce relatively For excellent electric connection, the noise making cross-talk can more rapid ground connection；This contained portion 43 of these outer extensions 42 both sides Because being closer to apart from this differential-pair signal terminal, therefore interference noise can be absorbed by contained portion 43 in nearer distance, reduce During the transmission of this differential-pair signal terminal, other conducting terminals 3 are produced capacitive character and inductive coupling, to reduce cross-talk, Promote the accuracy of high frequency data transfer, and then increase the efficiency that electric power connector 1 uses.

Compared to prior art, this utility model utilizes this earthing member 4 to be connected as one by electrical for the first ground terminal 311 Body, extension 42 provides bigger area with contained portion 43 and the first ground terminal 311 contacts, it is provided that the most electrically connect Connect effect, signal shielding and ground connection therefore produced by this differential-pair signal terminal, will be disturbed, effective minimizing cross-talk Problem, makes this electric power connector have good effect when transmitting high-frequency signal.

By detailed description above, those skilled in the art can be made to understand, and this utility model is really up to one-tenth object defined above, reality Meet the regulation of Patent Law, then propose patent application.And as described above, preferred embodiment the most of the present utility model and , when not limiting, with this, the scope that this utility model is implemented；Therefore, all according to this utility model claim and utility model explanation The simple equivalence change that book content is made with modify, all should still belong in the range of this utility model patent contains.

Claims (10)

1. an electric power connector, it is characterised in that described electric power connector comprises:

One insulator, comprises an insulating body and a tongue, and this tongue extends from this insulating body side；

Multiple conducting terminals, comprise multiple ground terminal and multiple signal terminal is staggered, the plurality of ground terminal and institute State multiple signal terminal be respectively provided with a contact site, a tail end and connect a main part of this contact site and this tail end；With And

One earthing member, comprises a conductive body and extends multiple extension, each extension at least side from this conductive body While be respectively provided with one to restrain portion；

Respectively this main part of this ground terminal at least partly stacks with respectively this extension and contacts with this contained portion of side, This earthing member is fixed in this insulating body with the described main part of described ground terminal, and it is exhausted that described tail end extends this respectively Edge body, described contact site is respectively arranged on multiple surfaces of this tongue.

2. electric power connector as claimed in claim 1, it is characterised in that each extension is respectively provided with and restrains portion, and this prolongs Extending portion and this contained portion this main part with corresponding respectively this ground terminal respectively interferes with each other.

3. electric power connector as claimed in claim 1, it is characterised in that each extension is respectively provided with relative two and restrains portion, This extension and described contained portion this main part with corresponding respectively this ground terminal respectively interferes with each other.

4. electric power connector as claimed in claim 1, it is characterised in that described extension by this conductive body towards tongue direction Extend.

5. electric power connector as claimed in claim 1, it is characterised in that this insulating body has multiple slotted eye, described conduction Terminal and this earthing member are fixed in this insulator by described slotted eye.

6. electric power connector as claimed in claim 1, it is characterised in that the described surface of this tongue has multiple terminal groove can House respectively this contact site of described conducting terminal respectively.

7. electric power connector as claimed in claim 1, it is characterised in that this earthing member is between two row's terminals.

8. electric power connector as claimed in claim 1, it is characterised in that lead described in the more described extension of this conductive body is close This tail end of electric terminal.

9. electric power connector as claimed in claim 1, it is characterised in that the arrangement of described conducting terminal includes at least one signal end Son is between two ground terminals.

10. electric power connector as claimed in claim 1, it is characterised in that the contained portion of described earthing member is respectively to respectively this connects Ground terminal force, makes respectively this contained portion convergence mutual to described ground terminal of this earthing member.