JP2009043722A - Socket connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a socket connector which can enhance the speed that transfers signal. <P>SOLUTION: The socket connector is provided with an insulating body and a plurality of first and second terminals. The insulating body includes a first counterpart portion, provided with a first tongue plate and a second counterpart portion provided with a second tongue plate. The first terminal is fixed with a first counterpart portion of the insulating body and includes a first contact terminal and first additional terminal. The second terminal is fixed with the second counterpart portion of the insulating body. The first contact terminal has a first contact portion, arranged below the first tongue and a first soldering connecting portion extending from the insulating body. The first additional terminal is provided with the first soldering connecting leg, and the first contact portion and the first counterpart portion of the first additional terminal are arranged on a surface different from the first tongue plate. The second additional terminal is provided with both pairs of differential signal terminals and a grounding terminal, arranged in between both the pairs of differential signal terminals. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an electrical connector, and more particularly to a socket connector that conforms to the USB (Universal Serial Bus) standard.

  A typical standard USB 2.0 socket connector includes an insulating tongue, four socket terminals mounted on the lower surface of the insulating tongue, and a housing. The socket terminal includes a power terminal, a negative signal terminal, a positive signal terminal, and a ground terminal. The positive signal terminal and the negative signal terminal are formed as a pair of differential signal terminals. A housing hole for housing the tongue of the plug connector is formed between the lower surface of the insulating tongue and the housing. When the plug connector is connected to the socket connector, the socket terminal is electrically connected to the plug terminal.

  In order to increase the speed of signal transfer, it is necessary to increase a plurality of terminals in addition to normal terminals. At the same time, it is required not to increase the space occupied by a normal USB connector.

  Accordingly, an object of the present invention is to provide a socket connector that increases the speed of signal transmission.

  In order to achieve the above object, a socket connector of the present invention comprises an insulating main body and a plurality of first and second terminals. The insulating main body includes a first mating portion provided with a first tongue plate and a second mating portion provided with a second tongue plate. The first terminal is fixed to a first mating portion of the insulating body and includes a first contact terminal and a first additional terminal. The second terminal is fixed to a second mating portion of the insulating body. The first contact terminal includes a first contact portion disposed below the first tongue plate, and a first solder connection portion extending from the insulating main body. The first additional terminal is provided with a first solder connection leg, and the first contact portion and the first mating portion of the first additional terminal are arranged on different surfaces of the first tongue plate. The second additional terminal includes a pair of differential signal terminals and a ground terminal disposed between the pair of differential signal terminals.

  Compared with the prior art, the present invention has the following advantages. The socket connector of the present invention has a plurality of differential signal terminals. This increases the speed at which signals are transferred.

  1 to 5, the socket connector of the present invention is a USB socket connector 100 connected to a USB plug connector (not shown).

  Referring to FIGS. 1 to 5, the socket connector 100 in the first implementation state has two end ports stacked one above the other. The socket connector 100 includes an insulating body 1, a plurality of first contact terminals 201 inserted into the insulating body 1, first additional terminals 202, a localization member 4 that positions the first additional terminals 202, and insulating properties. And a lid 3 covering the main body 1.

  The insulative main body 1 includes a base 12, a first tongue plate 13 and a second tongue plate 14 projecting forward from the base portion 12, and an intermediate plate 15 provided between the pair of tongue plates 13 and 14. A plurality of first terminal grooves 1310 are formed on the upper surface 131 of the first tongue plate 13. The lower surface 132 of the first tongue plate 13 is formed with a plurality of recesses 1320 penetrating the first terminal grooves 1310 and second terminal grooves 1321 penetrating the base 12 and corresponding to the recesses 1320. Is done. The base portion 12 is provided with a plurality of convex portion pieces 1210 and concave grooves 1211.

  The first contact terminal 201 includes a first contact portion 2010, a first solder connection portion 2012, and an L-shaped holding portion 2011 provided between the first contact portion 2010 and the first solder connection portion 2012. . The first additional terminal 202 includes both pairs of difference signal terminals 203 and a ground terminal 204 disposed between the two pairs of difference signal terminals 203. Each differential signal terminal 203 includes a flat plate-like first mating portion 2031 bent in a U shape, an L-shaped first connecting portion 2032, and a first solder connection portion 2034. The ground terminal 204 includes a flat plate-like second mating part 2041 bent in a U-shape, an L-shaped second connecting part 2042, and a second solder connection part 2044.

  The localization member 4 is formed in a staircase, and a plurality of localization grooves 41 extending vertically are formed.

  The lid body 3 includes an outer lid body 31, a first inner lid body 33, and a rear lid body 32. The outer lid body 31 includes a bottom wall 311, a top wall 310 facing the bottom wall 311, and a pair of opposing side walls 312. The outer lid body 31 is formed with a mating end port 315 surrounded by the front ends of the walls 310 to 312. A plurality of elastic beams 313 are provided on the walls 310 to 312 of the outer lid body 31. A plurality of through holes 3100 are formed in the top wall 310. The side wall 312 is formed with a plurality of extending pieces 3121 projecting inward and a plurality of recessed openings 3120. The outer lid body 31 is provided with a plurality of mounting legs 3122 extending downward from the bottom of the side wall 312.

  The first inner lid body 33 is manufactured by connecting the four wall portions 332 to each other. A pair of elastic beams 330 are provided at the front end of the first inner lid 33. A plurality of localization pieces 331 are provided on the side wall portion 332 in the wall portion 332. The upper wall portion 332 in the wall portion 332 includes a pair of elastic pieces 333 and a pair of mounting pieces 334 extending rearward.

  The rear lid body 32 has a piece-like portion 321 and a plurality of engagement pieces 322 provided on the piece-like portion 321.

  When the socket connector 100 is combined, the first contact terminal 201 is inserted into the second terminal groove 1321 of the insulating body 1, the first additional terminal 202 is inserted into the first terminal groove 1310 of the insulating body 1, First, second mating parts 2031 and 2041 are fitted in the recess 1320. The first contact terminal 201 is not in contact with the first additional terminal 202. The first contact portion 2010 of the first contact terminal 201 protrudes from the lower surface 132 of the first tongue plate 13 and is recessed with respect to the lower surface 132 of the first mating portion 2031 of the first additional terminal 202. The localization member 4 is mounted under the first additional terminal 202. The first solder connection leg 2034 and the second solder connection portion 2044 of the first additional terminal 202 are inserted into the localization groove 41 of the localization member 4. The outer lid body 31 covers the insulating main body 1. The first and second tongue plates 13 and 14 of the insulating main body 1 are housed in the mating end opening 315 of the outer lid 31 and are electrically connected to the mating connector (not shown). The convex piece 1210 of the insulating main body 1 is fitted into the concave opening 3120 of the outer lid body 31. The extending piece 3121 of the outer lid body 31 engages with the concave groove 1211 of the insulating main body 1. The elastic beam 313 of the outer lid body 31 comes into contact with the insulating main body 1. The first inner lid body 33 covers the intermediate plate 15 of the insulating main body 1. The localization piece 331 of the first inner lid body 33 comes into contact with the side wall 312 of the outer lid body 31. The rear lid body 32 covers the rear end of the outer lid body 31, and the engagement piece 322 of the rear lid body 32 engages with the engagement hole 3100 of the outer lid body 31.

  6 to 7, in the second embodiment, the mounting leg 3122 'of the outer lid 31' extends rearward from the rear end of the side wall 312 '. A solder connection portion 25 ′ of the first terminal 20 ′ and the second terminal 21 ′ extends backward. The first and second mating portions 10 'and 11' of the insulating main body 1 'are accommodated in the mating end port 315'. A circuit board 5 'is mounted after the socket connector 100'. The mounting leg 3122 ′ of the outer lid body 31 ′ and the solder connection portions 25 ′ of the first and second terminals 20 ′ and 21 ′ are mounted on the circuit board 5 ′. The circuit board 5 ′ faces the mating end 315 ′ or the first and second mating portions 10 ′ and 11 ′. The socket connector 100 'and the circuit board 5' can be placed together in another manner.

  Referring to FIG. 8, in the third implementation state, the third counterpart 16 corresponding to the first counterpart 10 is added to the insulating main body 1 in the first implementation state. The third mating portion 16 is disposed below the first and second mating portions 10 and 11. In the conductive terminal 2, the third terminal 22 inserted into the third counterpart 16 is increased. The structure of the third terminal 22 corresponds to the structure of the first terminal 20. Between the second and third mating parts 11 and 16, a second inner lid body 35 that is homologous to the first inner lid body 33 is added.

  Referring to FIG. 9, in the fourth implementation state, third and fourth mating portions 16 ′ and 17 corresponding to the first mating portion 10 are added to the insulating main body 1 in the first implementation state. The third and fourth mating portions 16 ′ and 17 are disposed below the first and second mating portions 10 and 11. In the conductive terminal 2, the third and fourth terminals 22 'and 23 inserted into the third and fourth mating portions 16' and 17 are increased. The structure of the third terminals 22 ′ and 23 corresponds to the structure of the first terminal 20. Between the second and third mating parts 11 and 16 ′ and between the third and fourth mating parts 16 ′ and 17, second and third inner lid bodies 35 ′ and 36 corresponding to the inner lid body 33 are provided. Is increased.

  As mentioned above, although this invention was demonstrated in detail with reference to preferable embodiment, embodiment is only an illustration to the last and is not limited to these. In the above description, any modification or change of details that can be made based on the present invention belongs to the technical scope of the present invention.

It is an assembly drawing of the socket connector in the 1st implementation state of the present invention. FIG. 2 is an assembly diagram of the socket connector when the lid shown in FIG. 1 is not attached. FIG. 3 is an exploded view of the socket connector shown in FIG. 2. It is the figure seen from the other direction of the exploded view of FIG. It is a front view of FIG. It is a rear view of the socket connector in the 2nd operation state of the present invention. FIG. 7 is an exploded perspective view of the socket connector shown in FIG. 6. It is an assembly perspective view of the socket connector in the 3rd operation state of the present invention. It is an assembly perspective view of the socket connector in the 4th operation state of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Insulating body 10, 10 '1st mating part 100, 100' Socket connector 11, 11 '2nd mating part 12 Base part 121 Side surface 1210 Convex-shaped piece 1211 Groove 13 First tongue board 131 Upper surface 1310 1st terminal Groove 132 lower surface 1320 recess 1321 second terminal groove 14 second tongue plate 15 intermediate plate 16 ′ third mating portion 17 ′ fourth mating portion 2 conductive terminal 20, 20 ′ first terminal 201 first contact terminal 2010 first Contact portion 2011 Securing portion 2012 First solder connection portion 202 First additional terminal 203 Differential signal terminal 2031 First mating portion 2032 First connecting portion 2034 First solder connecting leg 204 Ground terminal 2041 Second mating portion 2042 Second connecting portion 2044 2nd solder connection part 21, 21 '2nd terminal 22 3rd terminal 23 4th terminal 25' Solder connection part 3 lid body 31 outer lid body 310 top 3100 Engagement hole 311 Bottom wall 312, 312 'Side wall 3120 Recessed opening 3121 Extending piece 3122, 3122' Mounting leg 313, 330 Elastic beam 315 Mating end 32 Rear cover 32 'Inner cover 321 Piece 322 Engagement 33 first inner lid 330 elastic beam 331 localization piece 332 wall 333 elastic piece 334 mounting piece 35 second inner lid 36 third inner lid body 4 localization member 41 localization groove 5 ′ circuit board

Claims (7)

An insulating main body including a first mating part provided with a first tongue plate and a second mating part provided with a second tongue plate;
A plurality of first terminals fixed to the first mating portion of the insulating body and including a first contact terminal and a first additional terminal;
A plurality of second terminals fixed to the second mating portion of the insulating body;
The first contact terminal has a first contact portion disposed under the first tongue plate, and a first solder connection portion extending outward from the insulating body, and the first additional terminal includes A socket connector, wherein a first solder connection leg is provided, and the first contact portion of the contact terminal and the first mating portion of the first additional terminal are disposed on different surfaces of the first tongue plate.   2. The extending direction of the first and second tongue plates of the insulating main body is orthogonal to the extending direction of the solder connection portions of the first and second terminals and the solder connection legs. Socket connector as described.   The extending direction of the first and second tongue plates of the insulating main body is parallel to the extending direction of the solder connection portions of the first and second terminals and the solder connection legs. Socket connector as described in.   The socket connector according to claim 1, wherein at least one additional mating portion is provided below the first and second mating portions of the insulating main body.   The socket connector according to claim 1, wherein the dimension of the first tongue plate is substantially the same as the dimension of a tongue plate corresponding to a standard USB 2.0A type socket connector.   The first tongue plate includes an upper surface and a lower surface, and a plurality of first terminal grooves are formed on the upper surface for housing a first connecting portion provided in the first additional terminal. The plurality of recesses for accommodating the first mating portion of the first additional terminal and the second terminal groove for accommodating the first contact terminal are formed in the first and second terminals, respectively. Socket connector.   The socket connector includes a lid, and the lid is a first inner lid that covers an outer lid that covers the insulating main body and an intermediate plate that is provided between the first and second tongue plates of the insulating main body. The socket connector according to claim 1, further comprising: a rear lid attached to the outer lid.

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