CN101557059A - Electric connector and fabricating method thereof - Google Patents
Electric connector and fabricating method thereof Download PDFInfo
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- CN101557059A CN101557059A CNA2008100235957A CN200810023595A CN101557059A CN 101557059 A CN101557059 A CN 101557059A CN A2008100235957 A CNA2008100235957 A CN A2008100235957A CN 200810023595 A CN200810023595 A CN 200810023595A CN 101557059 A CN101557059 A CN 101557059A
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- terminal
- contact site
- electric connector
- groove
- hyoplastron
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Abstract
The invention relates to an electric connector and a fabricating method thereof. The electric connector comprises an insulating body and a terminal group, wherein the insulating body comprises a first body, the first body comprises a first main body part and a first lingual plate, the first lingual plate is provided with a first terminal groove; the terminal group comprises a plurality of first terminals embedded and formed on the first body and a plurality of second terminals, each first terminal comprises a first contact part and a first welding part, the first contacting part adopts a tabulate structure, each second terminal comprises a second contact part and a second welding part which are accommodated in the first terminal groove, the second contact part comprises an arc elastic part, and the first contacts and the first contact parts are together arranged at the same side of the first lingual plate.
Description
[technical field]
The present invention relates to a kind of electric connector and manufacture method thereof, relate in particular to a kind of electric connector and manufacture method thereof that improves signal transmission rate.
[background technology]
(Universal Serial Bus, USB) interface has been widely used in numerous design of electronic devices as a kind of input/output interface of standard USB.1994,7 tame world-renowned computers such as Intel, Compaq, numeral, IBM, Microsoft, NEC, Northern Telecom and communication common carrier were united and have been set up USB association (USB-IF), tentatively set up the USB interface standard.Up to the present, USB association has issued versions such as 1.0,1.1 and 2.0.
Above-mentioned USB 1.0,1.1,2.0 versions are supported following three kinds of transmission rates respectively: (1), low-speed mode transmission rate are 1.5 MBPSs, are used for keyboard and mouse more; (2), mode transfer speed is 12 MBPSs at full speed; (3), the fast mode transmission rate is 480 MBPSs.
Yet, along with the development of electronics industry, even the transmission rate of USB 2.0 can not satisfy the demand for development of some electronics industry, for example, under the situation of transmission of audio or video, in order to guarantee signal transmission quality, transmission rate is often up to 1G to 2G per second (1G=1000 megabit).Two other class interfaces in the electric connector field have obviously surpassed USB 2.0 interfaces as the transmission rate of PCI-E (transmission rate can reach the 2.5G per second) and SATA interface (transmission rate can reach 1.5G to 3.0G per second).
But PCI-E and SATA interface are owing to the too late far away USB of application, and the number of terminals of this two class interface is more, volume also is difficult to adapt to light, thin, short, the little development trend of following electronics industry greatly.
The USB socket electric connector generally is installed on the host circuit board, and it comprises the insulation tongue piece, be retained on four piece contact terminal and the metal shell of insulation on the tongue piece.Described four contact terminals are positioned at the lower surface of insulation tongue piece, and the lower surface of outstanding downwards insulation tongue piece.Described four contact terminals all have certain elasticity, can be along moving on the short transverse of insulation tongue piece.These four contact terminals comprise a power supply terminal, an earth terminal (GND), a positive signal terminal (D+) and a negative signal terminal (D-), wherein, positive signal terminal and the negative signal terminal set of differential signal terminals that partners is positioned between power supply terminal and the earth terminal (GND), and described metal shell is centered around insulation tongue piece periphery to form a receiving space in order to accommodate USB banjo electric connector to reach signal transmission each other.
Therefore, at above-mentioned technical problem, be necessary to provide a kind of electric connector and manufacture method thereof of improvement, to overcome above-mentioned defective.
[summary of the invention]
The object of the present invention is to provide higher electric connector of a kind of transmission rate and manufacture method thereof.
For achieving the above object, the present invention adopts following technical scheme: a kind of electric connector, it comprises insulating body and is located at terminal group on the insulating body, insulating body comprises first body, described first body comprises first main part and is located at first hyoplastron on first main part, first hyoplastron is provided with some the first terminal grooves, wherein, terminal group comprises that some edges bury the first terminal and some second terminals that takes shape on first body, first weld part that the first terminal comprises first contact site and extends first body, described first contact site is a plate-like structure, second terminal comprises second contact site that is contained in the first terminal groove and second weld part that extends first body, described second contact site comprises the arcuation elastic portion, and described first contact site and second contact site are located at the same side of first hyoplastron jointly.
A kind of electric connector making method, it comprises the steps:
Metal material belt is provided, described metal material belt is made some the first terminals with impact style, be formed with first contact site of plate-like structure on the described the first terminal, and be connected with strip between the first terminal;
Adopt jet forming method on the first terminal, to form first body, make this first body have first main part and be located at first hyoplastron on first main part, the strip that connects between the first terminal is excised, be formed with some the first terminal grooves on this first hyoplastron;
Some second terminals are provided, described second terminal comprises second contact site, described second contact site comprises the arcuation elastic portion, described second terminal group is filled on first body, second contact site is housed in the first terminal groove on first hyoplastron, and first contact site of described the first terminal and second contact site of second terminal are located at the same side of first hyoplastron jointly.
Compared with prior art, the present invention has following beneficial effect: electric connector of the present invention increases some the first terminals on the basis of original some second terminals, thereby can improve the signal transmission rate of this electric connector, in addition, the first terminal edge buried take shape on first body, exempted the first terminal and be assembled to insertion on first body in conjunction with program, reduced production cost, when having avoided the first terminal to be assembled on first body because interference engagement and the first terminal that may the cause distortion or first body by the situation of sliding injury, and can make the first terminal reliably be immobilizated on first body.
[description of drawings]
Fig. 1 is connected with the schematic perspective view of strip for the first terminal of electric connector of the present invention.
Fig. 2 is the schematic perspective view of the first body ejection formation on the first terminal of electric connector of the present invention.
Fig. 3 is the schematic perspective view after the strip among Fig. 2 excises.
Fig. 4 is the three-dimensional combination figure of electric connector of the present invention.
Fig. 5 is the part exploded view of electric connector of the present invention.
Fig. 6 is the part exploded view of another angle of electric connector of the present invention.
Fig. 7 is the three-dimensional exploded view of electric connector of the present invention.
Fig. 8 is the three-dimensional exploded view of another angle of electric connector of the present invention.
Fig. 9 is for having the butt connector at USB standard transmission interface in the prior art.
[embodiment]
See also Fig. 4 to shown in Figure 6, electric connector 100 of the present invention is vertical setting, it comprises insulating body 10, be located at terminal group 4 on the insulating body 10, be assembled in locating piece 5 on the insulating body 10, be coated on shell 6 and inner casing 7 on the insulating body 10, and terminal group 4 comprises some the first terminals 41 and some second terminals 42.
See also Fig. 5 to shown in Figure 8, insulating body 10 comprises first body 1, pedestal 3 and second body 2 that fits together before and after being.First body 1 comprises first main part 11 and from upwardly extending first hyoplastron 12 in first main part, 11 upper ends.The first terminal 41 edges bury and take shape on first body 1, it comprises first contact site 411, extends first weld part 413 of first main part 11 and connect first contact site 411 and first connecting portion 412 of first weld part 413 downwards, first contact site 411 is a plate-like structure, first contact site, 411 edges bury and take shape in upper end, first hyoplastron, 12 front sides, and it is outer to connect with corresponding butt connector (not shown) that part is exposed to first hyoplastron 12, and first connecting portion 412 extends downwards after first contact site, 411 lower ends bend backward again.The first terminal 41 comprises two pairs first difference signal terminal and one first earth terminal, and first earth terminal is used to reduce crosstalking between two pairs first difference signal terminal between two pairs first difference signal terminal.First hyoplastron 12 is being provided with the first terminal groove 13 that is arranged side by side about some and extends along the vertical direction below first contact site 411, first contact site, 411 places of first hyoplastron, 12 corresponding the first terminals 41 are equipped with first fixing hole 16 so that first contact site 411 all can be fixed by mould (not shown) in the forming process on first body 1, make in the fill insulant process, the impact of insulating material can not cause the distortion of the first terminal 41, and the front side of first main part 11 is provided with a pair of first groove 15 and some first accepting grooves 14 between this first groove 15.Because the first terminal 41 edges bury and take shape on first body 1, can exempt the first terminal 41 and be assembled to insertion on first body 1 in conjunction with program, reduced cost, when having avoided the first terminal 41 to be assembled on first body 1 because interference engagement and the first terminal that may cause 41 distortion or first body 1 by the situation of sliding injury, and can make the first terminal 41 reliably be immobilizated on first body 1.Second terminal 42 is assembled on first body 1, and it comprises upwardly extending second contact site 421, second weld part 423 that extends downwards and connects second contact site 421 and second connecting portion 422 of second weld part 423.Second contact site 421 is contained in the first terminal groove 13 of first hyoplastron 12, it comprises the arcuation elastic portion 424 that protrudes out the first terminal groove 13, second connecting portion 422 is contained in first accepting groove 14 of first main part 11, second connecting portion 422 extends downwards after second contact site, 421 lower ends bend forward again, and second weld part 423 extends first main part, 11 lower ends downwards.Like this, second contact site 421 and first contact site 411 are positioned at the front side of first hyoplastron 12 jointly, and first contact site 411 is positioned at the top of second contact site 421, because first contact site 411 is a plate-like structure, second contact site 421 is provided with the height of arcuation elastic portion 424, the second contact sites 421 on first hyoplastron, 12 fore-and-aft directions greater than first contact site 411.Second terminal 42 arranging on first hyoplastron 12 meets USB transport interface standard, specifically, second terminal 42 comprises four butt, it is respectively second source terminal, a pair of second difference signal terminal and second earth terminal, and a pair of second difference signal terminal is between the second source terminal and second earth terminal.
See also Fig. 5 to shown in Figure 9, the hyoplastron at USB standard transmission interface is measure-alike in the size of first hyoplastron 12 of electric connector 100 of the present invention and the prior art, arranging of second terminal 42 on first hyoplastron 12 meets USB transport interface standard, therefore second terminal 42 can with prior art in have a USB standard transmission interface butt connector 200 connect, first hyoplastron 12 of electric connector 100 promptly of the present invention meets USB transport interface standard and increased the first terminal 41 on length, width and thickness basis of invariable.When the butt connector 200 that has USB standard transmission interface inserted, because first contact site 411 of the first terminal 41 is a plate-like structure, the conducting terminal 207 on the butt connector 200 can not rub mutually with first contact site 411.Because the first terminal 41 comprises a pair of first difference signal terminal, when connecting with corresponding butt connector, can improve the transmission speed of signal greatly when the first terminal 41 on electric connector 100 first hyoplastrons 12 of the present invention and 42 whiles of second terminal.
The insulating body 10 of electric connector 100 of the present invention adopts split-type structural, and promptly first body 1, pedestal 3 and second body 2 fit together along fore-and-aft direction after the moulding respectively again, can simplify molding structure like this, improve shaping efficiency.
See also Fig. 1 to shown in Figure 8, electric connector 100 of the present invention is made as follows:
Metal material belt is provided, metal material belt is made some the first terminals 41 with impact style, the first terminal 41 is formed with flat first contact site 411, first weld part 413 that extends downwards and connects first contact site 411 and first connecting portion 412 of first weld part 413, and makes between first weld part, 413 lower ends and be connected with strip 405;
Adopt jet forming method on the first terminal 41, to form first body 1, one mould (not shown) promptly is provided, make and have one in the mould and flow and in order to the die cavity of this first body 1 that is shaped for insulating material, the first terminal 41 that will have strip 405 is placed in specific location in the die cavity, fill insulant in die cavity, insulating material is generally flowable plastics material, treat that the solid firmly back of insulating material forms first body 41 corresponding to the die cavity shape, at this moment, as shown in Figure 2, the first terminal 41 is promptly inlayed to bury and is taken shape in first body 1, first contact site, 411 edges of the first terminal 41 bury on first hyoplastron 12 that takes shape in first body 1, and part is exposed to outside first hyoplastron 12, and the lower end that first weld part 413 of the first terminal 41 extends first main part 11 downwards is with strip 405 excisions that connect between first weld part 413;
Some second terminals 42 are provided, second terminal 42 is assembled on first body 1, after the assembling, second contact site 421 of second terminal 42 is housed in the first terminal groove 13 on first hyoplastron 12, therefore, second contact site 421 and first contact site 411 are positioned at the front side of first hyoplastron 12 jointly, and first contact site 411 is positioned at the top of second contact site 421, second connecting portion 422 of second terminal 42 is housed in first accepting groove 14 of first main part 11, the lower end that second weld part 423 of second terminal 42 extends first main part 11 downwards;
The same jet forming method that adopts forms second body 2 on the first terminal 41, the first terminal 41 is identical with the mated condition of first body 1 with the first terminal 41 with the mated condition of second body 2;
Some second terminals 42 are provided, second terminal 42 is assembled on second body 2 equally, second terminal 42 is identical with the mated condition of first body 1 with second terminal 42 with the mated condition of second body 2;
Locating piece 5 is provided, locating piece 5 is assembled on second body 2, the 3rd projection 55 on the locating piece 5 matches with the 3rd groove 25 on second body 2, and second press block 54 on the locating piece 5 and second accepting groove 24 on second body 2 match to merge and be pressed on second connecting portion 422 of second terminal 42;
First body, 1 ejection formation of electric connector 100 of the present invention is on the first terminal 41, exempted the first terminal 41 and be assembled to insertion on first body 1 in conjunction with program, reduced cost, when having avoided the first terminal 41 to be assembled on first body 1 because interference engagement and the first terminal that may cause 41 distortion or first body 1 by the situation of sliding injury, and can make the first terminal 41 reliably be immobilizated on first body 1.
Claims (10)
1. electric connector, it comprises insulating body and is located at terminal group on the insulating body, insulating body comprises first body, described first body comprises first main part and is located at first hyoplastron on first main part, first hyoplastron is provided with some the first terminal grooves, it is characterized in that: terminal group comprises that some edges bury the first terminal and some second terminals that takes shape on first body, first weld part that the first terminal comprises first contact site and extends first body, described first contact site is a plate-like structure, second terminal comprises second contact site that is contained in the first terminal groove and second weld part that extends first body, described second contact site comprises the arcuation elastic portion, and described first contact site and second contact site are located at the same side of first hyoplastron jointly.
2. electric connector as claimed in claim 1 is characterized in that: first main part is provided with some first accepting grooves, and second terminal comprises second connecting portion that connects second contact site and second weld part, and described second connecting portion is assembled in first accepting groove.
3. electric connector as claimed in claim 2, it is characterized in that: insulating body also comprises second body and pedestal, pedestal is provided with first press block that matches with first accepting groove, described terminal group is located on second body, be respectively equipped with first groove and second groove on first body and second body, be respectively equipped with first projection and second projection that match with first groove and second groove on the pedestal.
4. electric connector as claimed in claim 3 is characterized in that: be extended with dividing plate on the pedestal, described electric connector also comprises the shell that is coated on the insulating body periphery and is coated on inner casing on the dividing plate.
5. electric connector as claimed in claim 1, it is characterized in that: first contact site is in second contact site top, the first terminal comprises two pairs first difference signal terminal and first earth terminal, and described first earth terminal is between two pairs first difference signal terminal.
6. electric connector as claimed in claim 1, it is characterized in that: second terminal of being located on first hyoplastron can connect with the butt connector that has USB standard transmission interface, described second terminal comprises second source terminal, a pair of second difference signal terminal and second earth terminal, and described a pair of second difference signal terminal is between the second source terminal and second earth terminal.
7. electric connector making method, it comprises the steps:
Metal material belt is provided, described metal material belt is made some the first terminals with impact style, be formed with first contact site of plate-like structure on the described the first terminal, and be connected with strip between the first terminal;
Adopt jet forming method to form first body on the first terminal, this first body is formed with first main part and is located at first hyoplastron on first main part, and the strip that connects between the first terminal is excised, and is formed with some the first terminal grooves on this first hyoplastron;
Some second terminals are provided, described second terminal comprises second contact site, described second contact site comprises the arcuation elastic portion, described second terminal group is filled on first body, second contact site is housed in the first terminal groove on first hyoplastron, and first contact site of described the first terminal and second contact site of second terminal are located at the same side of first hyoplastron jointly.
8. electric connector making method as claimed in claim 7, it is characterized in that: described first contact site is in second contact site top, described the first terminal comprises two pairs first difference signal terminal and first earth terminal, and first earth terminal is between two pairs first difference signal terminal, described second terminal can connect with the butt connector that has USB standard transmission interface, described second terminal comprises the second source terminal, a pair of second difference signal terminal and second earth terminal, described a pair of second difference signal terminal is between the second source terminal and second earth terminal.
9. electric connector making method as claimed in claim 7, it is characterized in that: be formed with some first accepting grooves on described first main part, second terminal is formed with second connecting portion that is connected with second contact site, and described second connecting portion is assembled in first accepting groove.
10. electric connector making method as claimed in claim 9, it is characterized in that: this manufacture method also comprises the steps: to provide pedestal, described pedestal is assembled on first body, is formed with first press block that matches with first accepting groove on the described pedestal; Adopt jet forming method being connected with formation second body on the first terminal of strip, with the strip excision that connects between the first terminal; Described second terminal group is filled on second body; Second body is assembled on the pedestal, and described second body is provided with second accepting groove; Locating piece is provided, locating piece is assembled on second body, described locating piece is provided with the 2nd briquetting that matches with second location notch; Shell is provided, described shell is socketed on first body and the second body periphery.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN2008100235957A CN101557059B (en) | 2008-04-09 | 2008-04-09 | Electric connector and fabricating method thereof |
JP2009000935U JP3150303U (en) | 2008-04-09 | 2009-02-23 | Electrical connector |
US12/384,820 US7811110B2 (en) | 2008-04-09 | 2009-04-09 | Electrical connector with improved contact arrangement |
Applications Claiming Priority (1)
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CN2008100235957A CN101557059B (en) | 2008-04-09 | 2008-04-09 | Electric connector and fabricating method thereof |
Publications (2)
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CN101557059A true CN101557059A (en) | 2009-10-14 |
CN101557059B CN101557059B (en) | 2012-10-31 |
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CN2008100235957A Active CN101557059B (en) | 2008-04-09 | 2008-04-09 | Electric connector and fabricating method thereof |
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US6238244B1 (en) * | 1999-06-24 | 2001-05-29 | Advanced Connecteck Inc. | Shielded electrical connector with superposed terminals |
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US6854984B1 (en) * | 2003-09-11 | 2005-02-15 | Super Talent Electronics, Inc. | Slim USB connector with spring-engaging depressions, stabilizing dividers and wider end rails for flash-memory drive |
US7128617B2 (en) * | 2004-12-16 | 2006-10-31 | Advanced Connection Technology Inc. | Electrical socket assembly and plug connector coupled thereto |
US20060154530A1 (en) * | 2005-01-07 | 2006-07-13 | Novotney Donald J | Connector system |
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