TWI469449B - Receptacle connector and plug connector - Google Patents

Description

Socket connector and plug connector

The invention relates to a socket connector and a plug connector which can increase the signal transmission rate.

At the end of 2008, the USB Association released the 3.0 version of the USB standard. This USB 3.0 connector is based on the original USB 2.0 connector. Two pairs of differential signal terminals and one grounding terminal are added to enhance the original. The transfer rate of the USB connector. The USB 3.0 connector has a transfer rate of 5G per second and can be plugged into both USB 2.0 and USB 3.0 docking connectors. However, due to the large number of conductive terminals on the USB 3.0 connector, the internal structure of the cable connected to the back side of the USB 3.0 is complicated, the cable is heavy and the high frequency is so long that it can only be set up to 5 meters, which is inconvenient to consume. Use of the person. In addition, the transmission speed of the USB 3.0 connector still cannot meet the transmission requirements of large-capacity electronic devices such as Blu-ray DVD.

In order to overcome the above problems, optical fibers have been widely used in the field of electronic communication, and optical fibers can be used instead of metal cables to achieve low loss, long distance, and low interference transmission effects. Therefore, the connector manufacturers add a fiber optic module based on the USB socket connector and the USB plug connector to form a fiber optic USB socket connector and a fiber optic USB plug that can transmit both optical signals and electrical signals. Connector, the fiber-optic USB socket connector or the fiber-optic USB plug connector can be electrically connected not only to a conventional USB plug connector or a USB socket connector, but also to meet the transmission requirements of common electronic devices. The high-speed optical signal transmission can also be performed by the optical fiber module to meet the signal transmission requirements of the electronic device for high-definition transmission. The optical fiber module of the optical fiber USB plug connector is often provided with a pair of recessed positioning holes, and the optical fiber module of the optical fiber USB socket connector is provided with a pair of forwardly extending positioning posts to connect with the optical fiber USB plug connector. The alignment holes are aligned to enable reliable optical signal transmission between the two fiber modules. However, when the conventional USB plug connector is inserted into the fiber optic USB receptacle connector, if the USB plug connector is inserted too deeply, the front end of the USB plug connector may easily interfere with or collide with the positioning post or fiber on the fiber optic module of the fiber optic USB receptacle connector. The front end of the module can easily cause the optical fiber module to move or be damaged when it is more serious, thereby affecting the optical signal transmission quality of the optical fiber USB socket connector.

Therefore, it is necessary to provide a socket connector and a plug connector having an improved structure to overcome the above drawbacks.

In view of the above, it is necessary to provide a receptacle connector that protects the fiber optic module and a plug connector that mates with the receptacle connector.

The purpose of the socket connector of the present invention is achieved by the following technical solution: a socket connector, comprising a receiving space, comprising a socket body, a plurality of socket terminals disposed on the socket body, and a socket body disposed on the socket body The optical fiber module includes a main body portion and a tongue plate protruding forwardly from the front end surface of the main body portion and extending into the receiving space; the socket terminal is disposed on the tongue plate and exposed to the receiving space The fiber optic module is disposed on the main body portion and exposed to the receiving space, wherein the tongue plate integrally extends with a positioning block, a front end surface of the positioning block is located behind the front end surface of the tongue plate, and the a distance from a front end surface of the positioning block to a front end surface of the tongue plate is less than or equal to a distance from a front end surface of the optical fiber module to a front end surface of the tongue plate from.

The purpose of the plug connector of the present invention is achieved by the following technical solution: a plug connector comprising a plug body, a plug terminal disposed on the plug body, a fiber optic device disposed on the plug body, and a metal casing, the metal The outer casing includes a top wall, a bottom wall and two side walls between the top wall and the bottom wall. The top wall, the bottom wall and the two side walls are collectively formed to form a receiving cavity, and the plug body comprises a main body portion and a forward protruding portion. a front end surface of the main body portion and extending into a tongue plate in the receiving cavity, the plug terminal is disposed under the tongue plate and exposed in the receiving cavity, and the optical fiber device is disposed above the tongue plate and The front end surface is exposed to the front end of the tongue plate, wherein the metal outer casing is provided with a recess recessed from the front end surface, the recess is provided with an inner edge at the rear end, and an inner edge of the rear end of the recess Located at the rear of the front end surface of the fiber optic device.

When the conventional plug connector is inserted into the socket connector of the present invention, the positioning block can prevent the plug connector from continuing while the front end of the plug connector contacts the front end of the optical fiber module or before. The insertion prevents the front end face of the fiber optic module from being moved or damaged by the plug connector. When the plug connector of the present invention is inserted into the socket connector of the present invention, the notch on the metal casing of the plug connector can be matched with the positioning block of the socket connector, so that the front end of the plug connector of the present invention can be The front end is inserted and beyond the front end face of the positioning block so that the fiber optic device on the plug connector can cooperate with the fiber optic module on the socket connector to transmit the optical signal.

100, 100'‧‧‧ socket connector

1‧‧‧ socket body

10‧‧‧First Ontology

11, 11' ‧ ‧ main body

114‧‧‧ block

115‧‧‧ Reception trough

116‧‧‧ holding slot

1161‧‧‧Limited slot

117‧‧‧Stretching slot

1171‧‧‧First card hole

1172‧‧‧Second card hole

12, 12'‧‧‧ first tongue

121‧‧‧ slotting

122‧‧‧ positioning slot

123‧‧‧ ribs

124, 124'‧‧‧ positioning block

2‧‧‧Second ontology

21‧‧‧ base

211‧‧‧fixed slot

216‧‧‧Limited blocks

217‧‧‧ card block

22‧‧‧Second tongue

221‧‧‧ channel

223‧‧‧connection slot

3‧‧‧Socket terminal

31‧‧‧First terminal

311‧‧‧First contact

315‧‧‧Bend

312‧‧‧ First connection

313‧‧‧First Holding Department

314‧‧‧ first tail

32‧‧‧second terminal

321‧‧‧Second contact

323‧‧‧Second Holding Department

324‧‧‧ second tail

4‧‧‧Fiber optic modules

41‧‧‧ Groove

42‧‧‧Flexible arm

421‧‧‧Cars Department

43‧‧‧ Cover

431‧‧‧Departure

44‧‧‧ openings

45‧‧‧ lens

46‧‧‧Positioning column

461‧‧‧ ribs

47‧‧‧Fiber

5‧‧‧Shaded enclosure

50‧‧‧ accommodating space

51‧‧‧ top wall

52‧‧‧ side wall

53‧‧‧ bottom wall

535‧‧‧Shrap

200, 200'‧‧‧ plug connector

800‧‧ ‧ spring

203‧‧‧Outer insulation

204‧‧‧ Cable

6‧‧‧ plug body

61‧‧‧ Main body

611‧‧‧ positioning slot

612‧‧‧Flanking

6121‧‧‧Opening

613‧‧‧ Groove

62‧‧‧ tongue plate

621‧‧‧ housing trough

622‧‧‧ slotting

624‧‧‧ block

626‧‧‧Bumps

627‧‧‧First terminal slot

628‧‧‧Second terminal slot

63‧‧‧ bracket

631‧‧‧Positioning column

632‧‧‧ rib

7‧‧‧ plug terminal

71‧‧‧First terminal

711‧‧‧First contact

712‧‧‧First Holding Department

713‧‧‧First tail

72‧‧‧second terminal

721‧‧‧Second contact

722‧‧‧Second Holding Department

723‧‧‧ second tail

8‧‧‧Fiber optic devices

80‧‧‧Base

82‧‧‧V-groove

83‧‧‧ lens

84‧‧‧Positioning holes

841‧‧‧ expansion slot

85‧‧‧ cover

851‧‧‧Departure

86‧‧‧Bump

87‧‧‧ openings

9‧‧‧ Positioning block

91‧‧‧ card block

92‧‧‧through slot

93‧‧‧

201, 201'‧‧‧ metal casing

202‧‧‧Upper shell

205, 205'‧‧‧ top wall

206, 206'‧‧‧ bottom wall

2061‧‧‧ ribs

207, 207'‧‧‧ side wall

2071‧‧‧Kakong

2072‧‧‧ 包包

2073, 2073'‧‧‧ protruding parts

2074, 2074' ‧ ‧ notch

208‧‧‧ containment chamber

The first figure is a perspective assembled view of a first embodiment of the receptacle connector of the present invention.

The second figure is a perspective combination view of another angle of the first figure.

The third figure is a partial exploded view of the first figure.

The fourth figure is a partial exploded view of the third figure after further decomposition.

The fifth figure is an exploded perspective view of the first figure.

The sixth figure is a schematic diagram of another angle of the fifth figure.

The seventh figure is a right side view of the socket connector in the first figure after the shield housing is removed.

Figure 8 is a perspective assembled view of a first embodiment of the plug connector of the present invention.

The ninth drawing is a partial exploded view of the eighth figure.

The tenth figure is a schematic diagram of another angle of the ninth figure.

The eleventh figure is a partial perspective combination of the eighth figure.

Figure 12 is a combination diagram of the plug connector of the eighth figure inserted into the socket connector after the shield housing is removed in the first figure.

Figure 13 is a perspective assembled view of a second embodiment of the receptacle connector of the present invention.

The fourteenth figure is a partial exploded view of the thirteenth figure.

The fifteenth diagram is a right side view of the socket connector after the shield housing is removed in the thirteenth diagram.

Figure 16 is a perspective assembled view of a second embodiment of the plug connector of the present invention.

Figure 17 is a combination diagram of the plug connector of Fig. 16 inserted into the socket connector after the shield housing is removed in the thirteenth diagram.

Referring to the first, fourth and fifth figures, the socket connector 100 of the first embodiment of the present invention can be combined with a conventional USB 2.0 plug connector (not shown), a conventional USB. 3.0 plug connector (not shown) or a plug connector 200 with a specific structure for transmitting optical signals as shown in FIG. 8 , which comprises a socket body 1 , a socket terminal 3 held on the socket body 1 , and a holding The optical fiber module 4 for transmitting optical signals on the socket body 1 and the shielding outer casing 5 covering the socket body 1.

As shown in the second to sixth figures, the socket body 1 includes a first body 10 and a second body 2 assembled on the first body 10. The first body 10 includes a main body portion 11 and a first tongue plate 12 extending forward from a front end of the main body portion 11. The main body portion 11 is provided with a receiving groove 115 and a holding groove 116 located below the receiving groove 115 and spaced apart from the receiving groove 115. The holding groove 116 has a substantially "T" shape when viewed from the rear of the socket connector 100. The upper side is outwardly extended to form a finite slot 1161. The main body 11 is provided with a stopper 114 at an intermediate position of the front end of the receiving groove 115. Both sides of the main body 11 are extended in the up and down direction and extend upward through the upper surface of the main body 11. The extending slot 117 defines a first card hole 1171 and a second card hole 1172 that penetrate the receiving slot 115 and the retaining slot 116, respectively. The upper surface of the first tongue plate 12 is provided with a slot 121 extending through the retaining groove 116 of the main body portion 11 and a plurality of positioning slots 122 spaced apart from the front end of the slot 121. The positioning slot 122 extends forward through the first tongue plate The front end surface of the first and second slots 12 are provided with a plurality of ribs 123 spaced apart from each other to separate adjacent two slots 121. A positioning block 124 is integrally formed on the two sides of the first tongue 12, and a rear end of the positioning block 124 is integrally connected with a front end surface of the main body portion 11. The upper surface of the fixed block 124 is first The upper surface of the tongue plate 12 is flush, and the lower surface thereof is located substantially at an intermediate position in the thickness direction of the first tongue plate 12. Therefore, the height of the positioning block 124 in the up and down direction, that is, the thickness direction of the first tongue plate 12 is smaller than the first The length of the tongue plate 12 is half, and the length of the positioning block 124 extending in the front-rear direction is smaller than the length of the first tongue plate 12. In the present invention, the positioning block 124 is simultaneously with the first tongue plate 12 and the body portion 11 Connected together Greatly increase its structural strength and prevent it from breaking. In other embodiments, the positioning block 124 may also be located at an intermediate position of the first tongue 12 along the thickness direction of the first tongue 12 . In the present invention, the positioning block 124 is symmetrically disposed on the left and right sides of the first tongue plate 12, and in other embodiments, the positioning block 124 may also be asymmetrically disposed, such as one side of the positioning block 124 compared to the other. The side positioning block 124 is disposed closer to or above the first tongue 12 .

The second body 2 includes a base 21 held in the holding groove 116 and a second tongue 22 extending forward from the base 21. The front end and the rear end of the base portion 21 are respectively arranged with a plurality of fixing slots 211 extending in a vertical direction. The two sides of the base portion 21 are outwardly protruded to form a limiting block received in the limiting slot 1161. 216, so that the base portion 21 can be better fixed in the holding groove 116 in the up-and-down direction, and the limiting block 216 protrudes outwardly to form a block 217 which can be locked rearwardly in the second card hole 1172. Thereby, the base portion 21 can be better fixed to the main body portion 11 in the front-rear direction. The second tongue plate 22 is received in the slot 121 of the first tongue plate 12, and the upper and lower opposite surfaces of the second tongue plate 22 are arranged with a plurality of passages 221 extending in the front-rear direction, and the second tongue plate 22 is disposed. The front end is provided with a coupling groove 223 communicating with the passage 221 of the lower surface thereof.

The arrangement of the socket terminals 3 conforms to the USB 3.0 transmission standard and includes a first terminal 31 and a second terminal 32. The first terminal 31 includes a flat first contact portion 311 received in the positioning groove 122 , a bent portion 315 bent downward from the rear end of the first contact portion 311 and received in the connecting groove 223 , and the self-bending portion 315 . The first connecting portion 312 extending rearwardly and received in the channel 221 of the lower surface of the second tongue plate 22 is bent downwardly from the rear end of the first connecting portion 312 and is fixed to the first holding in the front end fixing groove 211 of the base portion 21 The portion 313 and the first tail portion 314 of the socket body 1 extend downward from the lower end of the first holding portion 313. The second terminal 32 includes a passage 221 received in the upper surface of the second tongue 22 and protrudes upward. The elastic second contact portion 321 of the upper surface of the second tongue plate 22, the second retaining portion 323 held in the fixing groove 211 at the rear end of the base portion 21, and the second tail portion of the socket body 1 extending downward from the lower end of the second retaining portion 323 324. When the socket terminal 3 of the present invention is assembled, the first terminal 31 is fixed to the lower side of the second body 2 from the front to the rear, and then the second terminal 32 is fixed from the back to the front of the second body 2, and finally the second terminal The body 2 and the socket terminal 3 are assembled as an integral module from the rear to the front body 10, thereby preventing deformation of the socket terminal 3 during assembly. In other embodiments of the present invention, the first terminal 31 is firstly held on the first body 10 to form a first module, and the second terminal 32 is fixed on the second body 2 to form a second module. The first module and the second module are assembled together.

The optical fiber module 4 is held in the receiving groove 115 of the socket body 1 . The fiber optic module 4 is provided with two pairs of lenses 45 and a positioning post 46 extending outward of the two pairs of lenses 45 and extending forward. The positioning post 46 has a conical shape with a thin front end and a rear end, and a square is formed thereon. The rib 461 is optically coupled to the optical fiber 47 connected to the circuit board to provide high speed optical signal transmission. The optical fiber module 4 is provided with a recess 41 in the middle of the two pairs of lenses 45. The blocking block 114 on the socket body 1 abuts against the recess 41, thereby preventing the optical fiber module 4 from moving excessively forward. The elastic arms 42 are extended outwardly and are formed with a latching portion 421 that can be locked rearwardly in the first card hole 1171. Therefore, the optical fiber module 4 is formed. It can be better held in the receiving groove 115 in the front-rear direction. The optical fiber module 4 further includes two cover bodies 43. The optical fiber module 4 is provided with two openings 44. The cover body 43 is fixed in the corresponding opening 44 to hold the pair of optical fibers 47 on the optical fiber. On the module 4, a partition 431 separating the corresponding pair of optical fibers 47 is further protruded from each of the cover bodies 43 to prevent mutual contact with each other. In other embodiments, the optical fibers are The 47 and the lens 45 are not limited to two pairs, and may be a pair, or three pairs, four pairs, and the like.

The shielding case 5 covers the socket body 1 to achieve a good masking effect. The shielding shell 5 includes a top wall 51, a bottom wall 53 opposite to the top wall 51, and two side walls 52 connecting the top wall 51 and the bottom wall 53. The top wall 51, the bottom wall 53 and the two side walls 52 are enclosed to form a receiving space. 50. The first tongue plate 12 and the second tongue plate 22 together form a tongue plate (not labeled) extending into the receiving space 50, and the first contact portion 311 is disposed on the front end of the first tongue plate 12 and exposed. The second contact portion 321 is disposed on the front end of the second tongue plate 22 and exposed to the receiving space 50. In other embodiments, the first tongue 12 and the second tongue 22 may also be an integrally formed tongue structure, and the first terminal 31 may also be embedded in the tongue plate or assembled on the tongue plate. As shown in the third figure, the lens 45 of the optical fiber module 4 is located behind the first contact portion 311 and the second contact portion 321 and is exposed in the receiving space 50. The positioning post 46 of the optical fiber module 4 extends forward. The front end surface of the main body portion 11 protrudes into the accommodating space 50. The bottom wall 53 is provided with a pair of elastic pieces 535 extending forwardly and protruding into the receiving space 50, and another elastic piece 535 extending between the two elastic pieces 535 and extending rearwardly and protruding into the receiving space 50.

As shown in the second, third, and seventh figures, the positioning block 124 and the positioning post 46 are respectively protruded forwardly from the front end surface of the main body portion 11 and are located in the receiving space 50, and the positioning block 124 is disposed. The length of the forward projection is at least equal to the length of the positioning post 46 of the optical fiber module 4, or the length of the positioning post 46 of the optical fiber module 4 is longer, that is, if the front end of the positioning block 124 is The distance from the front end face of the first tongue plate 12 is L1; the distance from the front end face of the positioning post 46 (that is, the front end face of the fiber optic module 4) to the front end face of the first tongue plate 12 is L2, and L1 is less than or equal to L2. Therefore, when a conventional USB 2.0 plug connector or a USB 3.0 plug connector is inserted into the receptacle connector 100, the positioning block 124 can contact the fiber optic module 4 at the USB 2.0 plug connector or the USB 3.0 plug connector. The front end face can be prevented from being connected to the USB 2.0 plug connector or the USB 3.0 plug connector at the same time or before. The USB 3.0 plug connector continues to be inserted, thereby preventing the fiber optic module 4 from being moved or damaged by the USB 2.0 plug connector or the USB 3.0 plug connector. In addition, the front end surface of the positioning block 124 is located behind the first contact portion 311 and the second contact portion 321 in the front-rear direction, and the distance L1 from the front end surface of the positioning block 124 to the front end surface of the tongue plate 12 can make When the conventional USB 2.0 plug connector or USB 3.0 plug connector is inserted, its terminal can still cooperate with the socket terminal 3 of the receptacle connector 100 of the present invention to transmit an electrical signal.

Referring to the eighth to eleventh drawings together, the plug connector 200 of the first embodiment of the present invention can be connected to the socket connector 100 shown in the first figure, and can also be respectively connected to the conventional USB. The 2.0 socket connector, the conventional USB 3.0 socket connector is oppositely connected, and comprises a plug body 6, a plurality of plug terminals 7 fixed on the plug body 6, a fiber optic device 8 disposed on the plug body 6, and a plug body a spring 800 between the fiber optic device 8 and the positioning block 9 on the plug body 6, the cover plug body 6, the plug terminal 7 and the metal casing 201 and the upper casing 202 of the optical fiber device 8, surrounding the metal casing 201 and An outer insulating layer 203 around the upper case 202 and a cable 204 connected to the plug connector 200.

Referring to the eighth to eleventh drawings together, the plug body 6 includes a main body portion 61 and a tongue 62 extending forward from the front end of the main body portion 61. A pair of positioning grooves 611 extending forward and backward through the main body portion 61 are disposed above the plug body 6. The lower portion of the main body portion 61 is provided with a pair of side wings 612 extending downward and a groove 613 between the side wings 612. The positioning block 9 Each of the side flaps 612 is fixed in the recess 613, and the two sides of the positioning block 9 are provided with the latching block 91 on the two sides of the positioning block 9 so as to be locked in the opening 6121, so that the positioning block 9 is good. The ground is held on the plug body 6. A receiving groove 621 is disposed above the tongue plate 62 at the front end of the two positioning grooves 611 and penetrates the positioning groove 611. The cover body 6 further includes a slot 622 located at the rear end of the receiving slot 621 and located between the two positioning slots 611. The plug body 6 further includes an "H" shaped bracket 63 held in the positioning slot 611, and the bracket 63 is provided with a direction The yoke protrudes into the positioning post 631 of the slot 622. The lower side of the bracket 63 is provided with a protruding rib 632 protruding downwardly into the positioning slot 611. The spring 800 is received in the slot 622, and the positioning post 631 is received in the slot 622. In the spring 800, the front end of the tongue 62 extends upwardly to form a front wide and a narrow V-shaped stop block 624. The tongue 62 forms an upwardly convex projection on the left and right sides of the stop block 624. 626. The lower surface of the tongue 62 is provided with a row of first terminal slots 627 and a row of second terminal slots 628 at the rear end of the first terminal slot 627.

The arrangement of the plug terminal 7 conforms to the USB 3.0 transmission standard, and includes a first terminal 71 and a second terminal 72. The first terminal 71 includes a flat first contact portion 711 and a first tail portion electrically connected to the cable 204. 713 and a first connecting portion 712 connecting the first contact portion 711 and the first tail portion 713. The second terminal 72 includes an elastic second contact portion 721 , a second tail portion 723 electrically connected to the cable 204 , and a second connecting portion 722 connecting the second contact portion 721 and the second tail portion 723 . The first contact portion 711 is received in the first terminal slot 627, and the second contact portion 721 is received in the second terminal slot 628 such that the first contact portion 711 and the second contact portion 721 are co-located under the tongue 62 and Two rows arranged in front and rear are formed, and the first connecting portion 712 is fixed in the main body portion 61 of the plug body 6. The second terminal 72 includes two pairs of differential signal terminals and a ground terminal disposed between the two pairs of differential signal terminals. The second tail portions 72 of the two pairs of differential signal terminals are arranged in a row, and the ground terminal is The two tail portions 723 are bent upward from the corresponding second connecting portion 722 and are located at different heights from the second tail portion 723 of the differential signal terminal, and the width of the second tail portion 723 of the ground terminal in the left-right direction is greater than the difference. The width of the second tail portion 723 of the signal terminal in the left-right direction. The positioning block 9 is provided with a plurality of through grooves 92 extending through the front and the rear, and the second connecting portion 722 is fixed in the through slot 92 for positioning The front ends of the blocks 9 are provided with outwardly projecting abutments 93 abutting against the front end of the side flaps 612 to prevent the positioning block 9 from moving backward. In other embodiments, the first terminal 71 can be embedded in the plug body 6 . Alternatively, the second terminal 72 can be embedded in the positioning block 9 to form a module and then assembled to the plug body 6 . on.

The optical fiber device 8 is slidably received in the receiving groove 621 of the plug body 6 and has a front end surface exposed to the front end surface of the tongue plate 62. The optical fiber device 8 includes a base 80 and an optical fiber mounted on the base 80 (not shown). The front end of the base 80 is provided with a V-shaped groove 82 that cooperates with the stop block 624 and is narrower in front and rear. The base 80 is respectively provided with a pair of lenses 83 exposed on the front end surface of the tongue plate 62 on the left and right sides of the V-shaped groove 82 for optical coupling with the optical fiber to provide high-speed optical signal transmission. When the plug connector 200 mates with the receptacle connector 100, the lens 83 of the plug connector 200 is aligned with the lens 45 of the receptacle connector 100 for optical signal transmission. Although only two pairs of lenses 83 are shown in the drawings, in other embodiments, the base 80 may be provided with one lens 83 or two or more pairs of lenses 83 on the left and right sides of the V-shaped groove 82, respectively. The pedestal 80 is provided on the outer side of the two pairs of lenses 83 with a pair of positioning holes 84 recessed from the front end thereof to face the positioning post 46 on the socket connector 100. The positioning hole 84 has a thick front end. The rear end is thinly conical so as to better guide the positioning post 46 on the socket connector 100 to be inserted from the front end thereof, and the front end of the positioning hole 84 is outwardly expanded to form a square expansion slot 841 to The ribs 461 on the positioning post 46 of the socket connector 100 are matched, so that the positioning hole 84 and the positioning post 46 can be better positioned to achieve a foolproof effect, and the plug connector 200 is connected to the socket. The centerline of the device 100 is perfectly aligned to ensure the quality of the optical signal transmission. The fiber optic device 8 further includes two cover bodies 85. The upper end of the fiber optic device 8 is provided with two openings 87. Each of the cover bodies 85 is fixed in the corresponding opening 87 to fix a pair of optical fibers on the optical fiber device 8. And each of the cover bodies 85 further has a branch separated by the corresponding pair of optical fibers. The partitions 851 thus prevent them from touching each other. The rear end of the base 80 is provided with a rearwardly projecting protrusion 86. The protrusion 86 is received in the spring 800. Therefore, the spring 800 is clamped between the bracket 63 of the plug body 6 and the base 80 to push the optical fiber device. 8 Slide forward.

When the plug connector 200 is inserted into the receptacle connector 100, the fiber optic device 8 can slide rearward within the receiving slot 621. When the plug connector 100 is pulled out, the base 80 slides forward under the force of the spring 800. At this time, the blocking block 624 abuts against the V-shaped groove 82 at the front end of the base 80. On the one hand, the stop block The 624 is located at the front end of the optical fiber device 8 to prevent the optical fiber device 8 from sliding forward out of the receiving groove 621. On the other hand, the blocking block 624 cooperates with the V-shaped groove 82 on the optical fiber device 8 to prevent the optical fiber device 8 from being in the left-right direction. The swaying ensures that the fiber optic device 8 on the plug connector 200 is accurately docked with the corresponding fiber optic module 4 on the receptacle connector 100.

The metal casing 201 and the upper casing 202 collectively cover the plug body 6 to provide a good masking effect. The metal casing 201 includes a top wall 205, a bottom wall 206 opposite to the top wall 205, and two side walls 207 connecting the top wall 205 and the bottom wall 206, and a receiving cavity 208 surrounded by the tongue plate 62 extending into the receiving cavity 208. The first contact portion 711 and the second contact portion 721 are both exposed to the receiving cavity 208. The bottom wall 206 is provided with a rib 2061 extending in the width direction of the plug connector 200 and projecting outward. The side wall 207 is provided with a hole 2071, a circular protrusion 2072 located at the rear of the hole 2071 and protruding outwardly, and a square protrusion 2073 located in front of the hole 2071 and protruding into the receiving cavity 208. The protruding portion 2073 is formed by stamping the side wall 207 integrally into the receiving cavity 208 and forming a concave recess on the outside. When the plug connector 200 is inserted into the socket connector 100, the protrusion 2061 on the bottom wall 206 and the protruding piece 2072 on the side wall 207 can contact the shielding case 5 of the socket connector 100, thereby compensating the metal casing of the plug connector 200. A tolerance fit between the 201 and the shielded housing 5 of the receptacle connector 100 ensures a metal housing 201 is in sufficient contact with the shield housing 5, which can contact both sides of the first tongue 12 of the receptacle connector 100 to compensate for the side wall 207 of the plug connector 200 and the first tongue 12 of the receptacle connector 100. The tolerance fit between the two sides ensures that the side wall 207 is in full contact with both sides of the first tongue 12, increasing the insertion force when the plug connector 200 is inserted or removed. The side wall 207 is further provided with a recess 2074 which is recessed from the front edge and is located in front of the square protruding portion 2073. The recess 2074 penetrates the side wall 207 in the left-right direction to communicate with the receiving cavity 208 and the outside. The inner edge of the rear end 2074 is located behind the front end surface of the optical fiber device 8, and is flush with the bottom surface of the positioning hole 84 at the rear end or the rear surface of the positioning hole 84 (not shown), the concave The opening 2074 is located at a lower position in the middle of the side wall 207 in the up and down direction and is adjacent to the square projection 2073. In the present invention, the notches 2074 on both sides of the metal casing 201 are disposed in a bilaterally symmetric manner. Of course, the two notches 2074 may also be arranged asymmetrically, such as the notch 2074 on one side and the notch 2074 on the other side. It is closer to the top wall 205 of the metal casing 201.

Referring to FIG. 12, when the plug connector 200 is inserted into the receptacle connector 100, the notch 2074 provided on the metal casing 201 of the plug connector 200 may correspond to the first tongue 12 of the receptacle connector 100. The positioning block 124 is mated so that the front end of the plug connector 200 can be inserted forward and beyond the positioning block 124 such that the fiber optic device 8 on the plug connector 200 mates with the fiber optic module 4 on the receptacle connector 100. In turn, the optical signal is transmitted. At the same time, the notch 2074 cooperates with the positioning block 124 to ensure that the plug connector 200 and the receptacle connector 100 are tightly coupled. When a conventional USB 2.0 plug connector or a USB 3.0 plug connector is inserted into the receptacle connector 100, the plug connector of the present invention is not provided on the metal casing of the conventional USB 2.0 plug connector or the USB 3.0 plug connector. The notch 2074 described in the device 200, the positioning block 124 can be in contact with the front end of the USB 2.0 plug connector or the USB 3.0 plug connector The USB 2.0 plug connector or the USB 3.0 plug connector can be prevented from being inserted into the front end surface of the optical fiber module 4, or the USB 3.0 plug connector can be prevented from being inserted, thereby preventing the optical fiber module 4 from being inserted. The terminal is moved or damaged by the USB 2.0 plug connector or the USB 3.0 plug connector, but the terminal of the USB 2.0 plug connector or the USB 3.0 plug connector can still be connected to the socket terminal 2 of the receptacle connector 100 of the present invention. Cooperate to transmit electrical signals. In addition, if the conventional housing with the plug connector of the optical fiber device does not have the recess 2074 described in the plug connector 200 of the present invention, the front end of the plug connector also contacts the front end surface of the optical fiber module 4. At the same time or previously resisted by the positioning block 124, that is, the receptacle connector 100 of the present invention can only cooperate with the plug connector 200 with a particular notch 2074 of the present invention to transmit optical signals.

Referring to the thirteenth to fifteenth drawings, the socket connector 100' of the second embodiment of the present invention, the socket connector 100' of the second embodiment and the socket connector 100 of the first embodiment are mainly The difference is that the positioning block 124' is integrally formed downwardly from the lower sides of the first tongue 12', and the rear end of the positioning block 124' is integrally connected with the front end surface of the main body portion 11'. In other embodiments, the positioning block 124' may also be integrally formed upwardly from the upper sides of the first tongue 12', or the positioning block 124' may be disposed only in one and located on the first tongue. The middle position of 12'. The distance L1' of the front end surface of the positioning block 124' to the front end surface of the first tongue 12' is less than or equal to the front end surface of the positioning post 46' (that is, the front end surface of the optical fiber module 4') to the first tongue 12' The distance L2' of the front end face.

Referring to FIGS. 16 to 17 together, the plug connector 200' of the second embodiment of the present invention can be mated with the socket connector 100' of the second embodiment shown in FIG. Optical signal or electrical signal transmission, the plug connector of the second embodiment The main difference between the connector 200' and the plug connector 200 of the first embodiment is that the recess 2074' is recessed rearward from the lower front edge of the bottom wall 206', and therefore, the square projection of the side wall 207' 2073' can extend forward and near the front end face of the metal casing 201', thereby increasing the length of the square projection 2073' in the front-rear direction. In this embodiment, the notches 2074' are disposed in pairs on the bottom wall 206'. In other embodiments, the notches 2074' may also be disposed in pairs on the top wall 205' or separately. The bottom wall 206' or the intermediate position of the top wall 205'.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧ socket connector

1‧‧‧ socket body

11‧‧‧ Main body

124‧‧‧ Positioning block

200‧‧‧ plug connector

2071‧‧‧Kakong

2072‧‧‧ 包包

2073‧‧‧Stretching

2074‧‧‧ Notch

4‧‧‧Fiber optic modules

Claims (10)

A socket connector is provided with a receiving space, comprising: a socket body, the socket body comprising a main body portion and a tongue protruding forwardly from the front end surface of the main body portion and extending into the receiving space, the tongue The plate integrally extends with a positioning block that does not extend beyond the surface of the tongue. The front end surface of the positioning block is located behind the front end surface of the tongue plate, and the rear end of the positioning block is integrally connected with the front end surface of the main body portion. a plurality of socket terminals disposed on the upper surface of the tongue plate and exposed to the receiving space; and a fiber optic module disposed on the body portion and exposed to the receiving space, the fiber optic module being located at the tongue Above the upper surface of the plate, the distance from the front end face of the positioning block to the front end face of the tongue plate is less than or equal to the distance from the front end face of the fiber optic module to the front end face of the tongue plate. The socket connector of claim 1, wherein the positioning block is located in the receiving space and integrally formed outwardly from both sides of the tongue plate, the height of the positioning block along the thickness direction of the tongue plate Less than the thickness of the tongue. The socket connector of claim 2, wherein the upper surface of the positioning block is flush with the upper surface of the first tongue. The socket connector of claim 1, wherein the positioning block is located in the receiving space and extends downward from a lower surface of the tongue plate. The socket connector of claim 1, wherein the socket terminal is a USB 3.0 terminal, and includes a first terminal and a second terminal; the first terminal includes a top plate disposed above the tongue plate and exposed to the receiving space a flat first contact portion and a first tail portion extending below the socket body; the second terminal is a USB 2.0 terminal, and includes an elastic second contact portion disposed above the tongue plate and protruding upward into the receiving space And extending a second tail portion below the socket body, the first contact portion being closer to a front end surface of the tongue plate than the second contact portion, the positioning block The front end face is located behind the second contact portion, and the fiber optic module is located above the tongue plate. The socket connector of any one of claims 1 to 5, wherein the fiber optic module comprises two pairs of lenses exposed to the receiving space and located outside the two pairs of lenses and projecting forwardly And a pair of positioning posts on the front end surface of the main body portion, the positioning post protrudes into the receiving space forwardly and the front end surface thereof is flush with the front end surface of the positioning block or behind the front end surface of the positioning block. A plug connector, comprising: a plug body, comprising a main body portion and a tongue plate protruding forwardly from a front end surface of the main body portion; a plurality of plug terminals are disposed on the plug body; and a fiber optic device is disposed on the a top surface of the tongue plate and a front end surface thereof exposed to the front end of the tongue plate; and a metal outer casing comprising a top wall, a bottom wall and two side walls between the top wall and the bottom wall, the top wall, the bottom wall and the two The side walls are collectively arranged to form a receiving cavity, the tongue plate extends into the receiving cavity, the plug terminal is disposed under the tongue plate and exposed in the receiving cavity, and the metal shell is provided from the front end facing rearward a recessed recess, the recess being located below the tongue plate, the recess being provided with an inner edge at the rear end, and the inner edge being located rearward of the front end face of the fiber optic device. The plug connector of claim 7, wherein the notch is recessed rearward from the front edges of the two side walls of the metal casing. The plug connector of claim 8, wherein the recess is recessed rearward from a front edge of a bottom wall of the metal casing. The plug connector according to any one of claims 7 to 9, wherein the tongue plate is provided with a receiving groove recessed downwardly and extending forwardly through the front end surface thereof, and the fiber optic device is housed in In the receiving slot, the optical fiber device includes two pairs of exposed to the front end surface of the tongue plate a mirror and a pair of positioning holes recessed from the front end of the optical fiber device and located outside the two pairs of lenses, the positioning holes being provided with a bottom surface at the rear end, a bottom surface of the positioning hole and a rear end of the recess The inner edge is flush or in front of the inner edge of the rear end of the recess.