CN104577388A

CN104577388A - Electric connector

Info

Publication number: CN104577388A
Application number: CN201310495870.6A
Authority: CN
Inventors: 徐佥昱; 江惠雪
Original assignee: Kunshan Luxshare Precision Industry Co Ltd
Current assignee: Luxshare Precision Components Kunshan Co Ltd
Priority date: 2013-10-18
Filing date: 2013-10-18
Publication date: 2015-04-29
Anticipated expiration: 2033-10-18
Also published as: CN104577388B

Abstract

The invention relates to an electric connector. A spliced hole for accommodating and butting a connector is formed in the electric connector; the electric connector comprises an insulating main body and conductive terminals accommodated in the insulating main body, wherein the insulating main body comprises a main body and a but joint part protruding and extending from the main body; the conductive terminals comprise a first terminal set and a second terminal set; each conductive terminal comprises a contact part arranged on the same side of the butt joint part; the contact parts are exposed inside the spliced hole; the electric connector further comprises a sub-circuit board arranged on the insulating main body; a row of metal contact pieces exposed inside the spliced hole are arranged on the surface of the sub-circuit board; the contact part of the first terminal set, the contact part of the second terminal set and the contact pieces are positioned on different heights at intervals front and back.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connector, particularly relate to a kind of electric connector for transmitting high-frequency signal.

Background technology

In November, 2008, USB of new generation 3.0 (ultrahigh speed USB) standard be responsible to define is organized formally to complete and publish by the industry giant such as Intel, Microsoft, Hewlett-Packard, Texas Instrument, NEC, ST-NXP.USB 3.0 standard provides and decuples the transmission speed of USB 2.0 and the energy-saving efficiency of Geng Gao, can be widely used in PC ancillary equipment and consumption electronic product.

The development course of USB (Universal Serial Bus USB) standard is as follows: first edition USB 1.0 occurred in 1996, and speed only has 1.5Mb/s; Upgrade to USB 1.1 after 2 years, speed also rises to 12Mb/s greatly; In April, 2000, also widely used USB 2.0 releases at present, and speed reaches 480Mb/s, but the speed of USB 2.0 cannot meet application needs already; In November, 2008, USB 3.0 also just arises at the historic moment, and maximum transmission bandwidth is up to 5.0Gb/s.

Define category-A (A type) socket (Receptacle) and plug (Plug) in USB 3.0 standard, USB 3.0A class plug can dock with the USB 2.0A class socket compatibility of previous generation.Compared with the USB 2.0A class socket of previous generation and plug, USB 3.0A class socket and plug add 5 conducting terminals (pin), come to 9 conducting terminals, these 5 conducting terminals of increase are respectively a pair high-speed differential signal terminal, earth terminal, another is to high-speed differential signal terminal.

But the software document amount of the electronic products such as current digital camera, mobile phone, computer constantly rises, existing USB 3.0 connector does not apply the demand of high-throughput data transmission gradually.And the connector quantity on existing electronic product gets more and more, and causes complex structure, cost to increase.

So, be necessary to design new electric connector to solve the problems of the technologies described above.

Summary of the invention

The object of the present invention is to provide a kind of structure simple, manufacture easy electric connector.

For realizing aforementioned object, the present invention adopts following technical scheme: a kind of electric connector, be provided with the spliced eye of accommodating butt connector, it comprises insulating body and is contained in the conducting terminal in insulating body, described insulating body comprises the docking section that main body and autonomous agent protrude out forward, described conducting terminal comprises first, second terminal group, each conducting terminal has the contact site being arranged in the same side, docking section, described contact site is exposed in spliced eye, described first, the contact site of the second terminal group is in line separately, described electric connector also comprises the sub-circuit board be located on insulating body, described sub-circuit board surface is placed with the row's Metal Contact sheet be exposed in spliced eye, the contact site of described first end subgroup, contact site and the contact chip three of the second terminal group are positioned at different height, and time interval is opened.

Electric connector of the present invention also comprises the sub-circuit board be located on insulating body, described sub-circuit board surface is placed with the row's Metal Contact sheet be exposed in spliced eye, the contact site of described first end subgroup, contact site and the contact chip three of the second terminal group are positioned at different height, and time interval is opened, Metal Contact sheet replaces terminal, decrease the total quantity of the terminal of electric connector, electric connector structure is simple, manufacture easy, reduce production cost, in addition, electric connector can the butt connector of grafting single type, also can the compound butt connector of grafting, decrease the quantity of connector on electronic product, there is integration, service efficiency is high, save the advantages such as volume.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of electric connector of the present invention and butt connector.

Fig. 2 is the three-dimensional exploded view of the butt connector connected with electric connector of the present invention.

Fig. 3 is the three-dimensional combination figure of electric connector of the present invention.

Fig. 4 is the exploded view of electric connector of the present invention, and display insulating body and metal shell are separated.

Fig. 5 is the view of another angle of Fig. 4.

Fig. 6 is the three-dimensional exploded view of electric connector of the present invention.

Fig. 7 is the three-dimensional exploded view of another angle of electric connector of the present invention.

Fig. 8 is the plan view of the sub-circuit board of electric connector of the present invention.

Embodiment

Refer to shown in Fig. 1 to Fig. 3, electric connector 100 of the present invention is a pin connector, the butt connector 200 relative with this electric connector 100 is socket connector, butt connector 200 is a kind of compound connector, it can transmit one or more the combination in USB 2.0 signal, USB 3.0 signal and PCI-E (Peripheral Component Interconnection Express, peripheral element extension interface) signal three.Certainly in other embodiments, electric connector 100 of the present invention can be socket connector, and butt connector 200 can be pin connector.

Refer to shown in Fig. 3 to Fig. 7, electric connector 100 of the present invention comprise insulating body 10, the metal shell 40 of the some conducting terminals 20 be contained in insulating body 10, the sub-circuit board 30 be fixed on insulating body 10, coated insulation body 10 and the cable (not shown) that links together with conducting terminal 20 and sub-circuit board 30.

It is be assembled in after on the first noumenon 11 that both are fastened togather again downwards that insulating body 10 comprises first, second body 11,12, second body 12 be fixed together separately.The first noumenon 11 comprises the first main body 111, extends forwardly beyond the docking section 112 of the second body 12 from the first main body 111 and comprises the second main body 121 be fastened togather with the first main body 111 and two the second support portions 123 extended back from the second main body 121 from the first support portion 113, second body 12 that the first main body 111 extends back.Docking section 112 end face is arranged with some accepting grooves 114, first top, support portion 113 is provided with the groove 116 between some projections 115 and adjacent two projections 115, each projection 115 end face is arranged with the first location notch 117, these two the second support portions 123 separate between left and right, and be fixed in groove 116 successively, each second support portion 123 end face is also recessed the second location notch 127, the rear end of first, second support portion 113,123 is mutually concordant, and first, second location notch 117,127 is arranged in a row in left-right direction.The first noumenon 11 bottom surface is arranged with a pre-and post perforative holddown groove 118, and holddown groove 118 runs through docking section 112, first main body 111 and the first support portion 113 along the longitudinal direction successively, observes along the longitudinal direction, and this holddown groove 118 is U-shaped.

Conducting terminal 20 comprises first, second terminal group 21,22, first end subgroup 21 meets standard USB 2.0 transmission specification, combined symbols standardization USB 3.0 transmission specification of first, second terminal group 21,22, make electric connector 100 that conducting terminal 20 can be utilized to transmit USB 2.0 signal or USB 3.0 signal, flank speed can reach 5Gb/s.First end subgroup 21 its comprise a power supply terminal, an earth terminal and a pair difference signal terminal between this power supply terminal and earth terminal, the second terminal group 22 comprises two pairs of difference signal terminal and the earth terminal between these two pairs of difference signal terminal.First end subgroup 21 edge buries and takes shape on the first noumenon 11, and the second terminal group 22 edge buries and takes shape on the second body 12.

Each conducting terminal 20 comprises the contact site 211 being positioned at front end, 221 and be positioned at the connecting portion 212 of rear end, 222, the contact site 211 of first end subgroup 21 is horizontal platy structure, the contact site 221 of the second terminal group 22 is arcuate structure protruding upward, first, the contact site 211 of the second terminal group 21, 221 are arranged on docking section 112, line up two row along the longitudinal direction, the contact site 211 of first end subgroup 21 is positioned at the front of the contact site 221 of the second terminal group 22, both are also positioned at differing heights in the vertical direction, the contact site 221 of the second terminal group 22 is protruding upward from the accepting groove 114 of the first noumenon 11 docking section 112, contact site 221 can elastics wing up and down.The connecting portion 212 of first end subgroup 21 is contained in corresponding first location notch 117 one by one, the connecting portion 222 of the second terminal group 22 is contained in corresponding second location notch 127 one by one, first, second terminal group 21, the connecting portion 212 of 22, 222 are exposed to insulating body 10 outside in order to link together with cable, be arranged in a row in left-right direction and be positioned at same level, the connecting portion 212 of the power supply terminal in first end subgroup 21 and earth terminal is positioned at two ends, the left and right outermost locations of this row, in addition, in second terminal group 22, the connecting portion 222 of earth terminal is set to isolated two connecting portions 222 in left and right, in first end subgroup 21, the connecting portion 212 of difference signal terminal is arranged between this two connecting portion 222.

Sub-circuit board 30 horizontal positioned, it comprises the butt end 31 being positioned at front end, be positioned at the link 32 of rear end and connect the pars intermedia 33 of butt end 31 and link 32, pars intermedia 33 is fixed in insulating body 10 holddown groove 118, butt end 31 protrudes out forward the docking section 112 of insulating body 10, in the lateral direction, the width of butt end 31 is less than the width of docking section 112, link 32 protrudes out first of insulating body 10 backward, second support portion 113, 123, the bottom surface of sub-circuit board 30 and insulating body 10 is generally within same level, but allow certain error.The upper surface of butt end 31 is placed with row's Metal Contact sheet 310, the upper surface of link 32 be also placed be electrically connected with contact chip 310 one arrange metal connecting sheet 320, brace 320 is in order to weld together with cable.

The contact site 211,221 of contact chip 310 and conducting terminal 20 staggers and arranges on upper and lower and fore-and-aft direction, contact chip 310 be positioned at conducting terminal 20 contact site 211,22 front and lower than contact site 211,221.Brace 320 and conducting terminal 20 connecting portion 212,222 also stagger and arrange on upper and lower and fore-and-aft direction, brace 320 be positioned at conducting terminal 20 connecting portion 212,222 rear and lower than connecting portion 212,222.Certainly, in other embodiments, the position of contact chip 310 and the contact site 211 of first end subgroup 21 or the contact site 221 of the second terminal group can be replaced mutually, and be convenient welding, brace 320 can be arranged in the bottom surface of sub-circuit board 30.

In the present embodiment, contact chip 310 and brace 320 are provided with 12 respectively altogether, and contact chip 310 and brace 320 one_to_one corresponding are electrically connected.In figure 3, from left to right, in fig. 8, from the top down, by first contact chip 310 called after Pin1, know last contact chip 312 called after Pin12 in this order, the definition of contact chip 310 meets with arrangement the non-USB specification being different from USB3.0 specification, makes electric connector 100 that sub-circuit board 30 can be utilized to reach the high transmission speeds being greater than USB 3.0.Following table is listed each Pin in detail and is defined:

Metal shell 40 comprises roof 41, the diapire 42 relative with roof 42 and connect the two side 43 of roof 41 and diapire 42, one spliced eye 45 is formed in insulating body 10 docking section 112, between sub-circuit board 30 and metal shell 40 three, in order to accommodate butt connector 200, roof 42 separates to form this spliced eye 45 with the butt end 31 of docking section 112 and sub-circuit board 30 between the upper and lower, make spliced eye 45 lateral observation in " ┍ " type, diapire 42 upwards abuts in sub-circuit board 30 with on bottom surface, docking section 112, two side 43 abuts on side, docking section 112 and separates between left and right with the butt end 31 of sub-circuit board 30, the contact chip 310 of sub-circuit board 30 and the contact site 211 of conducting terminal 20, 220 respectively on be exposed in spliced eye 45, to contact with butt connector 200.

At other execution mode, first, second terminal group 21,22 adopts the mode of assembling to be fixed on first, second body 11,12, insulating body 10 can be monolithic structure, and sub-circuit board 30 edge buries and is molded on insulating body 10, can reach object of the present invention equally.

Electric connector 100 of the present invention is by arranging sub-circuit board 30, sub-circuit board 30 is provided with and is exposed to contact chip 310 in spliced eye 45 to replace terminal, decrease the total quantity of the terminal of electric connector 100, electric connector 100 structure is simple, manufacture easy, reduce production cost, contact chip 310 is used for contacting with butt connector 200, realizes the high-speed transfer of non-usb signal.In addition, electric connector 100 of the present invention incorporates the transmission of at least USB 2.0, USB 3.0 and non-USB tri-kinds of signals at same spliced eye 45, can single USB 2.0 connector, USB 3.0 connector or the non-USB connector (not shown) of grafting, also can the compound butt connector 200 of grafting, decrease the quantity of connector on electronic product, have integration, service efficiency high, save the advantages such as volume.

Although be example object, disclose the preferred embodiment of the present invention, but those of ordinary skill in the art will recognize, when not departing from scope and spirit of the present invention disclosed in appending claims, various improvement, increase and replacement are possible.

Claims

1. an electric connector, be provided with the spliced eye of accommodating butt connector, it comprises insulating body and is contained in the conducting terminal in insulating body, described insulating body comprises the docking section that main body and autonomous agent protrude out forward, described conducting terminal comprises first, second terminal group, each conducting terminal has the contact site being arranged in the same side, docking section, described contact site is exposed in spliced eye, described first, the contact site of the second terminal group is in line separately, it is characterized in that: described electric connector also comprises the sub-circuit board be located on insulating body, described sub-circuit board surface is placed with the row's Metal Contact sheet be exposed in spliced eye, the contact site of described first end subgroup, contact site and the contact chip three of the second terminal group are positioned at different height, and time interval is opened.

2. electric connector according to claim 1, is characterized in that: the contact site of described first end subgroup is horizontal platy structure, and the contact site of described second terminal group is arcuate structure protruding upward.

3. electric connector according to claim 1, is characterized in that: combined symbols standardization USB 3.0 transmission specification of first, second terminal group described.

4. electric connector according to claim 1, is characterized in that: described contact chip is positioned at the front of the contact site of first, second terminal group and lower than the contact site of first, second terminal group, described spliced eye lateral observation is in " ┍ " type.

5. electric connector according to claim 1, is characterized in that: described sub-circuit board has the butt end protruding out forward docking section, and described contact chip is arranged in the surface of butt end.

6. electric connector according to claim 1, it is characterized in that: described conducting terminal has and is positioned at rear end and the connecting portion be arranged in a row, described sub-circuit board has the link being positioned at rear end, described link surface be placed be electrically connected with contact chip one arrange metal connecting sheet.

7. electric connector according to claim 6, is characterized in that: described link protrudes out insulating body backward, and described brace and connecting portion mutually stagger and arrange on front and back and above-below direction.

8. electric connector according to claim 1, it is characterized in that: described insulating body comprises be fixed together separately first again, second body, described the first noumenon comprises the first main body, the described docking section extended forward from the first main body and the first support portion extended back from the first main body, described second body comprises the second main body be fixed together with the first main body and the second support portion extended back from the second main body, second support portion is contained in the first support portion, first, the rear end of the second support portion is mutually concordant, the holddown groove of the first noumenon is run through before and after the first noumenon bottom surface is arranged with, described sub-circuit board is fixed in holddown groove, described first end subgroup is fixed on the first noumenon, described second terminal group is fixed on the second body.

9. electric connector according to claim 1, it is characterized in that: described electric connector also comprises the metal shell of coated insulation body, described metal shell comprises roof, the diapire relative with roof and connects the two side of roof and diapire, described spliced eye is between roof and docking section and butt end, described diapire upwards abuts in sub-circuit board and bottom surface, docking section, and described two side to recline on side, docking section and separates between left and right with butt end.

10. according to the electric connector of claim 1 to 9 wherein described in one, it is characterized in that: the arrangement of described contact chip meets a non-USB specification, and described contact chip comprises some to differential signal contact sheet, ground signalling contact chip and power supply signal contact chip.