CN207250764U - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN207250764U
CN207250764U CN201721119482.8U CN201721119482U CN207250764U CN 207250764 U CN207250764 U CN 207250764U CN 201721119482 U CN201721119482 U CN 201721119482U CN 207250764 U CN207250764 U CN 207250764U
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CN
China
Prior art keywords
terminal
ground
side wall
electric connector
difference signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721119482.8U
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Chinese (zh)
Inventor
许修源
吴祖阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fu Ding Precision Components Shenzhen Co Ltd
Hongteng Precision Technology Co Ltd
Original Assignee
Fu Ding Precision Components Shenzhen Co Ltd
Hongteng Precision Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fu Ding Precision Components Shenzhen Co Ltd, Hongteng Precision Technology Co Ltd filed Critical Fu Ding Precision Components Shenzhen Co Ltd
Priority to CN201721119482.8U priority Critical patent/CN207250764U/en
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Publication of CN207250764U publication Critical patent/CN207250764U/en
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Abstract

A kind of electric connector, its some terminal group for including insulating body and being assembled in insulating body, the insulating body is equipped with the continuous docking groove of lengthwise, the both sides of the docking groove are the first side wall and second sidewall, the terminal group includes being retained to the first end subgroup of the first side wall and is retained to the second end subgroup of second sidewall, the first side wall fixing has the ground strip that conjunction is assembled with the first terminal, the first end subgroup includes some ground terminals to difference signal terminal and positioned at every a pair of of difference signal terminal both sides, the ground terminal is in contact with the ground strip and forms electric connection, two ground terminals of wherein at least a pair of of difference signal terminal both sides are formed by a connecting portion integrally connected at the same time, high frequency signal transmission performance is lifted while thereby strengthening shield effectiveness.

Description

Electric connector
【Technical field】
The utility model is in relation to a kind of electric connector, more particularly to a kind of electric connector for transmitting high-frequency signal.
【Background technology】
Electric connector is very extensive in electronic field application, and component in the electronic device and component, component and system, be Unite has utilization between system, carries out electrical connection and signal transmission, is to form a necessary base set of holonomic system institute Part.
SAS (Serial Attached SCSI, Serial Attached Small calculator system interface) is based on serial technology SCSI (Small Computer System Interface, Small Computer Systems interface), it is except with for believing at a high speed Number transmission general serial technology the advantages of outside, it separately has a remarkable advantage to provide to SATA (Serial Advanced Technology Attachment, Serial Advanced Technology Attachment) compatibility.In other words, if computer system is propped up at the same time SAS and SATA protocol are held, then SATA plug connectors can be docked directly with SAS socket connectors.In this way, system manufacturer can incite somebody to action Together with SATA is integrated in SAS device, for two mutually independent SATA and SAS device, manufacture can be greatly reduced And the cost of operation.
No. CN102694318B is announced with reference to Chinese invention patent and discloses a kind of electric connector, it includes insulating body And the plural terminals group of insulating body is assembled in, wherein, the ground terminal outside two pairs of difference signal terminals is connected by earth brace Together, the signal cross-talk between differential pair signal terminal is reduced with this.However, it is by ground terminal front end integrally connected, and The width of ground terminal is not added, and the contribution to the signal cross-talk between reduction differential pair signal terminal is weaker, and also add The difficulty of conducting terminal assembling.
Based on the prior art, it is necessory to be improved to existing electric connector.
【Utility model content】
The purpose of this utility model is to provide a kind of electric connector for lifting shield effectiveness.
To achieve the above object, the utility model adopts the following technical solution:A kind of electric connector, it includes insulating body And some terminal groups of insulating body are assembled in, the insulating body is equipped with the continuous docking groove of lengthwise, the docking groove Both sides are the first side wall and second sidewall, and the terminal group includes being retained to the first end subgroup of the first side wall and is retained to The second end subgroup of second sidewall, the first side wall fixing have a ground strip that conjunction is assembled with the first terminal, and described first Terminal group includes some ground terminals to difference signal terminal and positioned at every a pair of of difference signal terminal both sides, the ground terminal Son is in contact with the ground strip and forms electric connection, two ground terminals of wherein at least a pair of of difference signal terminal both sides Son is formed by a connecting portion integrally connected at the same time.
Further, the first end subgroup and second end subgroup are assembled to corresponding the first side wall and from back to front Two side walls, the ground strip are assembled to the first side wall from front to back, and the first side wall is equipped with towards the docking groove Inner surface, the outer surface opposite with inner surface and the front end face positioned at front end, the first side wall, which is equipped with, runs through forward its front end Face and the holding slot between inner and outer surfaces and some flutings for running through the first side wall outer surface and front end face, it is described Ground strip is equipped with the main board portion being fixed in the holding slot and some elastic contact arms to extend back from main board portion, the bullet Property contact arm be housed in the fluting and protruded out to the first side wall inner surface to be in contact with corresponding ground terminal.
Further, the ground strip is equipped with some frame mouths extended forward from the main board portion, with to the first end Subgroup provides and allows bit space.
Further, the frame mouth includes accommodating and is connect described in the first frame mouth per a pair of of difference signal terminal and receiving Second frame mouth of ground terminal, the first frame mouth are more than the second frame mouth.
Further, two ground terminals on the outside of centrally located a pair of of the difference signal terminal of the first end subgroup It is connected to together by connecting portion, which reaches more than 22.5Gbps.
Further, the difference signal terminal and ground terminal are equipped with main part and are bent from the main part and extended Contact site, the main parts of two ground terminals of the integrally connected extends from the connecting portion forward fold, it is contacted Portion had further previously bent extension from the main part.
Further, the connecting portion includes connecting the flat part of described two ground terminals, downward from the flat part The vertical portion for bending extension, the grounding parts extended forward from the vertical portion and weldering that is downward from the vertical portion and extending back Socket part.
Further, the main part of two ground terminals of the integrally connected and the grounding parts are perpendicular, and described one The contact site and the contact site flush of the difference signal terminal of two ground terminals of body connection.
Further, the grounding parts are equipped with the prominent of those widened sections at the vertical portion and lower both sides disposed thereon Rise, the upper lateral process is to support the main part, and the lower projection is supporting the main board portion of ground strip.
Further, the connecting portion be extended with forward one be pointed on the inside of the two ground terminals main part and clamping extremely The holding section of the first side wall, the fastening part are mutually perpendicular in the upside of the grounding parts and with it.
Compared with prior art, the utility model has the advantages that:The utility model electric connector passes through near Two ground terminals of few a pair of difference signal terminal both sides are formed by a connecting portion integrally connected at the same time, can not only give institute Ground terminal lifting fixing power is stated, and can effectively reduce the signal cross-talk between differential pair signal terminal, realizes the biography of bigger Defeated speed and signal quality.
【Brief description of the drawings】
Fig. 1 is stereogram when the utility model electric connector coordinates with butt connector.
Fig. 2 is stereogram of the utility model electric connector with butt connector when unmated.
Fig. 3 is the stereogram of the utility model electric connector.
Fig. 4 is the stereogram at another visual angle of electric connector shown in Fig. 3.
Fig. 5 is the three-dimensional exploded view of electric connector shown in Fig. 3.
Fig. 6 is the three-dimensional exploded view at shown another visual angle of electric connector shown in Fig. 5.
Fig. 7 is the stereogram and part isometric enlarged drawing when first end subgroup is contacted with ground strip shown in Fig. 6.
The stereogram at another visual angles of Fig. 8 Fig. 7.
Fig. 9 is the stereogram of first end subgroup.
Figure 10 is integrated the stereogram of two ground terminals of connection.
The stereogram at another visual angles of Figure 11 Fig. 7.
Figure 12 is the side view of Fig. 7.
Figure 13 is sectional views of the Fig. 3 along line A-A.
【Main element symbol description】
1000 electric connector 100 of electric connector combination
200 vertical direction X of butt connector
Longitudinally Y abutting directions Z
1 docking groove 11 of insulating body
12 the first side wall 13 of base portion
131 outer surface 132 of inner surface
133 holding slot 134 of front end face
Slot 135 the 4th docking sections 136
14 first docking section 141 of second sidewall
The 3rd docking section 143 of second docking section 142
First groove, 144 terminal group 2
21 difference signal terminal 210 of first end subgroup
Main part 211,31 contact sites 212,32
22 ground terminal 3 of second end subgroup
4 flat part 41 of connecting portion
42 grounding parts 43 of vertical portion
431 projection 432,433 of those widened sections
44 holding section 45 of weld part
5 main board portion 51 of ground strip
First frame mouth, 511 second frame mouth 512
Elastic contact arm 52 docks body 6
61 first surface 611 of hyoplastron
First junction surface, 6,111 second junction surface 6112
3rd junction surface, 6,113 first convex portion 612
Pedestal 62 docks terminal 7
First docking terminal 71 second docks terminal 72
3rd docking terminal 73 the 4th docks terminal 74
Contact site 711,721,731,741
Following embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.
【Embodiment】
Hereinafter, the embodiment of the utility model electric connector will be introduced with reference to Fig. 1 to Figure 13.Please refer to Fig.1 and Fig. 2, the utility model electric connector combination 1000, is the electric connector group to the interface as small size harddisk memory Closing 1000 includes electric connector 100 and the butt connector 200 being matched therewith.The definition of electric connector 100 has vertical side Horizontal longitudinally Y to X, vertical with the vertical direction X and with the vertical direction X and longitudinally are vertical docks Direction Z.
Fig. 2 to Fig. 5 is referred to, if the electric connector 100 includes lengthwise insulating body 1 and is assembled in insulating body 1 Dry end subgroup 2.1 longitudinally of insulating body is equipped with continuous docking groove 11, and insulating body 1 further includes base portion 12 and is located at 11 both sides of docking groove and the first side wall 13 and second sidewall 14 being oppositely arranged, the first side wall 13 and second sidewall 14 are certainly Base portion 12, which extends, to be formed and positioned at the opposite sides of docking groove 11.The outside of second sidewall 14 is smooth wall, its inner side With towards the first docking section 141 of docking groove 11, the second docking section 142 and arranged on the first docking section 141 and the second docking section The first groove 144 between 142, the top of the first groove 144 is equipped with towards the 3rd docking section 143 of docking groove 11, described 3rd docking section 143 protrudes out 141 and second docking section 142 of the first docking section on vertical direction X.In longitudinally On, first docking section 141 is short compared with the second docking section 142, and the 3rd docking section 143 is then most short so that first groove 144 asymmetrical protrude out docking groove 11.Corresponding first docking section, 141 and second docking section 142 of the second sidewall 14 It is of uniform thickness, and the thickness of thickness ratio the first docking section 141 of the 3rd docking section 143 and the second docking section 142 is all small.Described One side wall 13 is then the same thickness, and the first side wall 13 forms the 4th docking section 136 towards the part of docking groove 11, described The first side wall 13 is equipped with towards the inner surface 131 of the docking groove 11, the outer surface 132 opposite with inner surface 131 and before being located at The front end face 133 at end, the first side wall 13 are equipped with forward through its front end face 133 and between inner and outer surfaces 131,132 Holding slot 134 and some flutings 135 through 13 outer surface 132 of the first side wall and front end face 133.
With reference to shown in Fig. 6 to Figure 13, the terminal group 2 include be retained to the first side wall 13 first end subgroup 21 and The second end subgroup 22 of second sidewall 14 is retained to, the first side wall 13, which is also held, what is coordinated with the first end subgroup 21 Ground strip 5, the first end subgroup 21 and second end subgroup 22 are assembled to corresponding the first side wall 13 and second from back to front Side wall 14, the ground strip 5 are assembled to the first side wall 13 from front to back.The first end subgroup 21 includes some to difference Signal terminal (non-label) and some ground terminals 3 being located at per a pair of of difference signal terminal both sides, the ground terminal 3 with The ground strip 5 is in contact and forms electric connection, and two ground terminals 3 of wherein at least a pair of of difference signal terminal both sides are same When formed by a connecting portion integrally connected, in present embodiment, only by the outside of one pair of which High-frequency differential signals terminal 210 Two ground terminals 3 connect, and in experimentation, can learn this to the signal interference outside difference signal terminal 210 most Greatly, so with reference to the principle of saving material in the case of request signal transmission is met, so only connect one to ground terminal 3 Pick up and, therefore, in other circumstances, the ground terminal 3 outside every a pair of of difference signal terminal is all connected with more reaching Technical problem to be solved in the utility model.
Specifically, in present embodiment, by a pair of of differential signal end centrally located in the first end subgroup 21 Two ground terminals 3 in the outside of son 210 are connected to together by connecting portion 4, which reaches To more than 22.5Gbps, the difference signal terminal 210 and ground terminal 3 are equipped with main part 211,31 and from the main parts 211st, the contact site 212,32 of 31 bending extensions, the main part 31 of two ground terminals 3 of the integrally connected is from the company 4 forward fold of socket part extends, and from the main part 31, further previously bending had extended its contact site 32.Emphasis refers to Fig. 9 and figure Shown in 10, the connecting portion 4 includes connecting the flat part 41 of described two ground terminals 3, is bent downward from the flat part 41 The vertical portion 42 of extension, the grounding parts 43 extended forward from the vertical portion 42 and from the vertical portion 42 downwards and extend back Weld part 44, the connecting portion 4 be also extended with forward one be pointed to the inner side of two ground terminals, 3 main part 31 and clamping extremely The holding section 45 of the first side wall 13, the holding section 45 are located at the upside of the grounding parts 43 and are mutually perpendicular to it, institute Holding section 45 is stated to be considerably shorter than the length of the ground terminal 3 and only protrude out on the abutting direction Z perpendicular to the vertical direction X Go out the forward position of the those widened sections 431.The grounding parts 43 are equipped with those widened sections 431 at the vertical portion 42 and disposed thereon Lower both sides and the projection 432,433 away from the those widened sections 431, the upper lateral process 432 is supporting the ground terminal 3 Main part 31, the lower projection 433 to support ground strip 5, the main part of two ground terminals of the integrally connected with The grounding parts are perpendicular, and emphasis refers to Figure 12, contact site 32 and the difference of two ground terminals 3 of the integrally connected 212 flush of contact site of signal terminal, to reach the earthing effect as other ground terminals 3.
The ground strip 5 is equipped with the main board portion 51 that is fixed in the holding slot 134 and some prolongs backward from main board portion 51 The elastic contact arm 52 stretched, the elastic contact arm 52 are housed in the fluting 135 and convex to 13 inner surface 131 of the first side wall Stretch to be in contact with corresponding ground terminal 3, emphasis refers to Fig. 7, and the ground strip 5 is equipped with to be extended forward from the main board portion 51 Some frame mouths allow bit space to be provided to the first end subgroup 21, the frame mouth includes accommodating described per a pair of of differential signal First frame mouth 511 of terminal and the second frame mouth 512 for accommodating the ground terminal, the first frame mouth 511 are more than described second Frame mouth 512, so as to provide for all difference signal terminals and ground terminal 3 and allow bit space, in other embodiments, may be used also To be not provided with the frame mouth, the skill can also be solved by being directly made of the main board portion 51 and elastic contact arm 52 of the ground strip 5 Art problem, only the fixing effect of the ground strip 5 in present embodiment is more preferable and be not to influence the fixing of ground strip 5 and stablize Property.The lower projection 433 supports the main board portion 51 of ground strip 5.
Please refer to Fig.1 and Fig. 2, if the butt connector 200 includes lengthwise docking body 6, is installed on docking body 6 Dry docking terminal 7.The docking body 6 includes pedestal 62 and the hyoplastron 61 formed from the extension of 62 side of pedestal, the hyoplastron 61 have There are parallel opposite first surface 611 and second surface (not shown), first surface 611 has the first junction surface 6111 and second Junction surface 6112 and the first convex portion 612 between the first junction surface 6111 and the second junction surface 6112, first convex portion 612 are equipped with the 3rd junction surface 6113;The second surface is equipped with the 4th junction surface (not shown).The docking terminal 7 includes First docking at the first junction surface 6111, the second junction surface 6112, the 3rd junction surface 6113 and the 4th junction surface is contained in respectively Terminal 71, second docks terminal the 72, the 3rd and docks the docking terminal 74 of terminal 73 and the 4th.It is described be arranged on the first junction surface 6111, Some first docking terminals 71, second on second junction surface 6112, the 3rd junction surface 6113 and the 4th junction surface dock terminal 72nd, the 3rd docking terminal 73 and the 4th docks terminal 74 and is respectively provided with flat contact site 711,721,731,741.When above-mentioned two During a electric connector docking, the hyoplastron 61 of docking body 6 is inserted into the docking groove 11 of insulating body 1, and the first convex portion 612 is slided therewith Enter in the first groove 144, guiding and fool proof can be played the role of, meanwhile, arranged on the first junction surface 6111, the second junction surface 6112nd, the docking terminal 7 at the 3rd junction surface 6113 and the 4th junction surface is in contact and is electrically connected with the terminal group 2.
In conclusion the utility model electric connector 100 is by the way that two of at least a pair of of difference signal terminal both sides are connect Ground terminal 3 is formed by 4 integrally connected of a connecting portion at the same time, and the connecting portion is rod-shaped with one fixed width rather than generic connectivity, The fixing power of the ground terminal 3 can be not only lifted, but also can effectively reduce the signal cross-talk between differential pair signal terminal, Realize the transmission speed and signal quality of bigger, in addition, in the utility model preferred embodiment, by will be close to centre position Two external ground terminals 3 of a pair of of High-frequency differential signals terminal 210 connected by a connecting portion 4, can believe in high frequency Number transmission in the case of so that the shield effectiveness of the most strong difference signal terminal of the signal interference is optimal, so as to save Just high frequency signal transmission performance can be met while terminal material.
The foregoing is merely some embodiments of the utility model, the embodiment being not all of, the common skill in this area Art personnel are by reading the utility model specification any equivalent change for taking technical solutions of the utility model The claim of the utility model is covered.

Claims (10)

1. a kind of electric connector, its some terminal group for including insulating body and being assembled in insulating body, the insulating body are set There is the continuous docking groove of lengthwise, the both sides of the docking groove are the first side wall and second sidewall, and the terminal group includes fixing To the first side wall first end subgroup and be retained to the second end subgroup of second sidewall, the first side wall fixing has and institute State the ground strip that the first terminal assembles conjunction, it is characterised in that:The first end subgroup includes some to difference signal terminal and position Ground terminal in every a pair of of difference signal terminal both sides, the ground terminal are in contact with the ground strip and form electrically Connection, two ground terminals of wherein at least a pair of of difference signal terminal both sides are formed by a connecting portion integrally connected at the same time.
2. electric connector as claimed in claim 1, it is characterised in that:The first end subgroup and second end subgroup are from backward Before be assembled to corresponding the first side wall and second sidewall, the ground strip is assembled to the first side wall from front to back, described One side wall is equipped with towards the inner surface of the docking groove, the outer surface opposite with inner surface and the front end face positioned at front end, described The first side wall is equipped with through its front end face and holding slot between inner and outer surfaces and some runs through the first side wall forward Outer surface and the fluting of front end face, the ground strip be equipped be fixed on main board portion in the holding slot and it is some from main board portion to The elastic contact arm extended afterwards, the elastic contact arm be housed in the fluting and to the first side wall inner surface protrude out with it is right The ground terminal answered is in contact.
3. electric connector as claimed in claim 2, it is characterised in that:The ground strip is equipped with to be extended forward from the main board portion Some frame mouths, allow bit space to be provided to the first end subgroup.
4. electric connector as claimed in claim 3, it is characterised in that:The frame mouth includes accommodating described per a pair of of differential signal First frame mouth of terminal and the second frame mouth for accommodating the ground terminal, the first frame mouth are more than the second frame mouth.
5. electric connector as claimed in claim 2, it is characterised in that:The centrally located a pair of the first end subgroup is poor Two ground terminals on the outside of sub-signal terminal are connected to together by connecting portion, which reaches To more than 22.5Gbps.
6. electric connector as claimed in claim 5, it is characterised in that:The difference signal terminal and ground terminal are equipped with master Body portion and the contact site from main part bending extension, the main part of two ground terminals of the integrally connected is described in Connecting portion forward fold extends, its contact site had further previously bent extension from the main part.
7. electric connector as claimed in claim 6, it is characterised in that:The connecting portion includes connecting described two ground terminals Flat part, the vertical portion for bending downward from the flat part extension, grounding parts extended forward from the vertical portion and from institute The weld part stated vertical portion downwards and extended back.
8. electric connector as claimed in claim 7, it is characterised in that:The main part of two ground terminals of the integrally connected It is perpendicular with the grounding parts, contact site contact with the difference signal terminal of two ground terminals of the integrally connected Portion's flush.
9. electric connector as claimed in claim 8, it is characterised in that:The grounding parts are equipped with adding at the vertical portion Wide portion and the projection of lower both sides disposed thereon, the upper lateral process to support the main part, the lower projection to Hold the main board portion of ground strip.
10. electric connector as claimed in claim 9, it is characterised in that:The connecting portion be extended with forward one be pointed to it is described On the inside of two ground terminal main parts and clamping is upper in the grounding parts to the holding section of the first side wall, the fastening part Side and it is mutually perpendicular to it.
CN201721119482.8U 2017-09-01 2017-09-01 Electric connector Active CN207250764U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721119482.8U CN207250764U (en) 2017-09-01 2017-09-01 Electric connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721119482.8U CN207250764U (en) 2017-09-01 2017-09-01 Electric connector

Publications (1)

Publication Number Publication Date
CN207250764U true CN207250764U (en) 2018-04-17

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ID=61885073

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721119482.8U Active CN207250764U (en) 2017-09-01 2017-09-01 Electric connector

Country Status (1)

Country Link
CN (1) CN207250764U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110247261A (en) * 2019-06-10 2019-09-17 番禺得意精密电子工业有限公司 Electric connector
TWI749684B (en) * 2019-08-07 2021-12-11 英屬開曼群島商鴻騰精密科技股份有限公司 Plug connector
TWI759140B (en) * 2020-11-05 2022-03-21 大陸商東莞立訊技術有限公司 A grounding structure and connector
US20220231464A1 (en) * 2021-01-18 2022-07-21 Dongguan Luxshare Technologies Co., Ltd Electrical connector

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110247261A (en) * 2019-06-10 2019-09-17 番禺得意精密电子工业有限公司 Electric connector
TWI749684B (en) * 2019-08-07 2021-12-11 英屬開曼群島商鴻騰精密科技股份有限公司 Plug connector
US11211750B2 (en) 2019-08-07 2021-12-28 Foxconn (Kunshan) Computer Connector Co., Ltd. Electrical connector assembly
TWI759140B (en) * 2020-11-05 2022-03-21 大陸商東莞立訊技術有限公司 A grounding structure and connector
US20220231464A1 (en) * 2021-01-18 2022-07-21 Dongguan Luxshare Technologies Co., Ltd Electrical connector
US11843202B2 (en) * 2021-01-18 2023-12-12 Dongguan Luxshare Technologies Co., Ltd Electrical connector with improved grounding bar

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