TWI608667B - Receptacle connector and plug connector mating with each other - Google Patents

Description

Socket connector and plug connector for docking therewith

The present invention is directed to an electrical connector assembly in which the plug connector can be inserted into the receptacle connector in both forward and reverse directions.

U.S. Patent Application Publication No. 20130095702A1 discloses a two-way plug connector having a plug connector having opposing upper and lower surfaces, the plurality of conductive terminals being disposed on the upper and lower surfaces. The conductive terminals exposed to the upper and lower surfaces are symmetrically spaced apart from each other, and the shape of the plug connector is substantially 180 degrees symmetric so that it can be inserted into the corresponding receptacle connector in the forward and reverse directions.

However, the socket connector or the inside of the electronic device needs to be provided with a switching circuit to detect whether the plug connector is inserted in the forward direction or reversely inserted, thereby starting the corresponding subsequent program. The more the terminals of the connector, the more complicated the switching circuit, and thus, the trend is not met. At the same time, the plug connector is an exposed plug, and there is still the possibility of plugging damage in actual use.

A new type of plug connector emerges, which can be inserted into the socket connector in both forward and reverse directions, and the two connectors can transmit high frequency signals. After continuous technical development, new plug connectors and The socket connector can prevent electromagnetic signal interference and radio frequency interference. However, the plug connector and the socket connector have many parts and complicated assembly, which brings certain difficulties to ensure the strength and assembly control of the connector itself.

The object to be achieved by the present invention is to provide a socket connector and a plug connector that are easy to assemble.

In order to solve the above technical problem, the present invention provides a socket connector including an insulative housing, a terminal, a grounding member, and a metal housing, the insulative housing including a base portion and a forwardly extending abutting tongue plate, the butt tongue having two opposite sides The surface includes a contact portion arranged on two opposite surfaces of the mating tongue, the metal casing surrounding the butt tongue to form an abutting cavity therebetween, the two opposite surfaces of the abutting tongue being adjacent to the base The root portion is provided with a step portion, and the grounding member is wrapped on the outer side of the step portion. The mating tongue plate is provided with a shielding plate, and the shielding plate separates the terminals of the opposite surfaces of the abutting tongue plate from each other.

In order to solve the above technical problem, the present invention further provides a plug connector comprising a metal housing, an insulative housing, two terminal modules and a locking component, wherein the insulative housing is provided with a forwardly extending receiving cavity and is located on both sides of the receiving cavity The terminal slot is provided with a 180-degree symmetrical structure. Each terminal module includes an insulator and a terminal fixed to the insulator. The terminal includes a contact portion and a pin extending from the insulator, and the latch member has a pair of latches. An arm, the two terminal modules are mounted behind the insulating body and the terminal contact portion is received in the terminal slot, the locking member is clamped between the two terminal modules and the locking arm extends into the receiving cavity The metal casing is wrapped on the outer side of the insulative housing and the two terminal modules.

Compared with the prior art, the present invention has the following effects: the shielding plate of the present invention has multiple functions, and the plug connector is convenient to assemble.

110, 400, 152, 156‧‧‧ plug connectors

111, 413‧‧‧ side slots

112, 412‧‧‧Insulated body

1121‧‧‧Terminal slot

113‧‧‧With holes

114‧‧‧ containment chamber

116, 16‧‧‧Metal housing

1161‧‧‧Upper and lower trailing edge

1162‧‧‧Left and right rear edge

118‧‧‧Upper and lower rows of terminals

119, 79‧‧‧ feet

120‧‧‧Contacts

122‧‧‧Upper and lower masks

124‧‧‧Pre-elastic zone

126‧‧‧After overlapping area

128‧‧‧Side fixed area

130‧‧‧Insulation sheet

131‧‧‧Installation column

132‧‧‧Insulator

133‧‧‧Installation holes

134‧‧‧Terminal module

135‧‧‧Depression

137‧‧‧Coordination column

138, 438‧‧ ‧ daughter card

139, 439, 39‧‧‧ lock fasteners

1391‧‧‧Lock arm

141‧‧‧ Cable

142‧‧‧core

143‧‧ ‧ cable organizer

144‧‧‧ first half shell

1441‧‧‧Upper depression

146‧‧‧ second half shell

1461‧‧‧ under the depression

147, 442, 40‧‧‧ lock heads

149‧‧‧Insulated cover

150, 200, 300‧‧‧ socket connectors

154‧‧‧ dent

158‧‧‧Insulation board

160‧‧‧LED lights

170‧‧‧through hole

172‧‧‧ positioning parts

181, 182‧‧‧ switch terminals

264‧‧‧ Grounding parts

266‧‧‧Rings

268‧‧‧ fixed plate

270‧‧‧Slit

272‧‧‧Ontology

274‧‧‧Shrap

276, 382‧‧‧ Grounding terminal

378‧‧‧Auxiliary board

380, 386‧‧‧ protruding parts

384‧‧‧Connecting tongue

389‧‧‧Upper bulge

390‧‧‧ under the bulge

418‧‧‧terminal

434‧‧‧ Positioning parts

435‧‧‧guide seam

440‧‧‧ beams

441‧‧‧Lock arm

443‧‧‧Installation feet

76, 376, 388‧‧‧ Shielding panels

The first figure is a perspective view of a plug connector of a first embodiment of the present invention; 2 is a partially exploded perspective view of the plug connector of the first diagram; the third diagram is a further exploded perspective view of the second diagram; the fourth diagram is a further exploded perspective view of the third diagram; and the fifth diagram is a plug connector of the fourth diagram A perspective view of a further exploded view of the connector; a sixth view is a perspective view of another angle of the fifth figure; a seventh view is a cross-sectional view of the second figure along the line VII-VII; and an eighth figure is a second embodiment of the present invention. A perspective view of a plug connector of a plug connector; a ninth view is an exploded perspective view of a plug connector of a second embodiment of the present invention; a tenth view is a perspective view of a further assembly of the ninth diagram; FIG. 12 is a perspective view showing a further assembly of the plug connector of the third embodiment of the present invention; FIG. 14 is a cross-sectional view of the plug connector of the third embodiment of the present invention; The arrangement of the terminal pins in the through hole of the board, the upper figure shows the arrangement of the pins of the lower row of the patent application No. 104103354, and the lower figure shows the arrangement of the improved terminal of the lower row; tenth A partial enlarged view of the three figures showing the structure in which the non-cooperating plug connector is not activated when the switch terminal is inserted; the sixteenth portion is a partially enlarged view of the thirteenth figure, showing that the mating plug connector is activated to cause the switch terminal to start 17 is a perspective exploded view of a socket connector according to a fourth embodiment of the present invention; and an eighteenth view is a perspective view of the socket connector for removing a metal casing; and FIG. a schematic cross-sectional view of the socket connector; Figure 20 is a partially exploded perspective view of the socket connector of the fifth embodiment of the present invention; the twenty-first figure is a further exploded perspective view of the twentieth embodiment; and the twenty-second figure is a further exploded perspective view of the twenty-first figure The twenty-third figure is a perspective view of the other angle of the twenty-second figure; the twenty-fourth figure is a cross-sectional view of the socket connector of the twenty-first figure; and the twenty-fifth figure is the shielding plate of the twenty-second figure A schematic of another embodiment.

The company applied for the invention patent application No. 104103354 on February 2, 2015, and introduced a plug connector and a socket connector. The present invention is mainly directed to the socket connector shown in the first to the fourteenth drawings of the above-mentioned invention patent application. And the plug connector has been improved. Therefore, the present invention is not described in connection with the previously described structure or the same structure. Please refer to the description of the patent application No. 104103354.

The first to seventh embodiments of the present invention show a plug connector 110 according to a first embodiment of the present invention. The plug connector 110 includes an insulative housing 112 and a metal housing 116 that is wrapped on the outside of the insulative housing 112. The insulative housing 112 is a single piece. The front portion has a bladder shape and is provided with a forwardly extending receiving cavity 114. The receiving cavity 114 is disposed in a 180 degree symmetrical structure. The upper and lower rows of terminals 118 are disposed in the terminal slots 1121 of the insulative housing 112. The terminal slots 1121 are located on opposite sides of the receiving cavity 114, and the corresponding contact portions 120 extend into the receiving cavity 114. A pair of elastic upper and lower shielding sheets 122 are wrapped in the metal casing 116, and each shielding piece 122 is sandwiched between the metal casing 116 and the insulative housing 112. Each shielding piece 122 includes a front elastic region. 124, the rear overlapping region 126 and the pair of side fixing regions 128, the front elastic region 124 extends inward toward the receiving cavity 114 and is located in front of the contact portion 120, the rear overlapping region 126 contacts the metal casing 116, and the side fixing region 128 They are fixed on both sides of the insulative housing 112. A pair of insulating sheets 130 are disposed on both outer sides of the insulative housing 112. The insulating sheet 130 is disposed outside the terminal contact portion 120 for isolating the contact portion 120 from the metal case 116 to prevent the contact portion 120 from contacting the metal case 116.

The upper and lower rows of terminals 118 are integrally fixed in the insulator 132 by an injection molding method, thereby forming the terminal module 134. That is, each terminal module 134 includes an insulator 132 and a terminal 118 fixed to the insulator 132. After the terminal module 134 is mounted on the rear of the insulative housing 112, each insulator 132 is located behind the insulative housing 112, and the terminal contact portion 120 is received in the terminal slot 1121. The two terminal modules 134 are provided with mutually matching mounting posts 131 and mounting holes 133 on opposite inner surfaces thereof, so that the two terminal modules 134 are mounted together, and the opposite inner side of each terminal module 134 is provided with U. The recess 135 is configured to receive the U-shaped metal latch 139, that is, the latch 139 is clamped between the two terminal modules 134. The insulative housing 112 is provided with a pair of side slots 111 for receiving the two opposite latching arms 1391 of the latching member 139, wherein the front latching head 147 of the latching arm 1391 extends into the receiving cavity 114. A pair of mating posts 137 are disposed on the front end surface of the insulator 132, and are correspondingly inserted into the pair of mating holes 113 provided on the rear end surface of the insulative housing 112, thereby mounting the insulator 132 and the insulative housing 112 together. The two terminal modules 134 are assembled by the cooperation of the mounting post 131 and the mounting hole 133, and then inserted into the insulating body 112 from the rear to the front, and the terminal module 134 is insulated by the cooperation of the matching post 137 and the matching hole 113. The bodies 112 are assembled together. Each terminal 118 further includes a pin 119 that is mounted to a front region of the daughter card 138 that is disposed rearward of the insulator 132. The terminal contact portion 120 and the pin 119 of each terminal module 134 respectively extend from the insulator 132. The contact portion 120 is received in the terminal slot 1121 of the insulative housing 112, and the pin 119 extends rearwardly from the rear end surface of the insulator 132. A cable 141 is disposed at the rear of the daughter card 138. The cable 141 includes a plurality of core wires 142 respectively corresponding to the rear portion of the daughter card 138. The pair of cable managers 143 are disposed between the daughter card 138 and the core wire 142. The core wire 142 is positioned. Of course, instead of the daughter card 138, the cable 141 can be directly connected to the pin 119 through the cable positioning member 172, and the cable 141 and the pin 119 are respectively arranged in the through hole 170 of the positioning member 172, thereby realizing both. Good soldering.

In this embodiment, the metal casing 116 is wrapped on the outer side of the insulative housing 112 and the two terminal modules 134, and the rear portion of the sub-card 138 and the two insulators 132 are covered in the metal casing, and the metal casing includes the first half. The outer casing 144 and the second half outer casing 146 are assembled in the vertical direction with respect to each other, and the vertical direction is a vertical front-rear direction and a lateral direction. Each of the half-shells 144/146 is mechanically and electrically connected to the metal housing 116 in the vertical direction. The rear edge of the metal casing 116 is provided with four upper and lower trailing edge pieces 1161 and left and right rear edge pieces 1162 which are independent of each other. The front end of the metal casing 116 is provided with upper and lower recessed portions 1441, 1461, up and down. The edge piece 1161 is accommodated in the upper and lower recessed portions 1441, 1461, and the left and right rear edge edge pieces 1162 are welded to the side wall of the metal casing, which is welded to the front end of one of the side walls. The metal casing 116 may be bent by a one-piece metal plate to form a rectangular sealed tubular structure or a seamless rectangular tubular structure. This embodiment is provided with a pair of insulating plates 158, i.e., inner molds, disposed between the metal casings 144/146 and the sub-cards 138 for use as a protective device. Finally, an insulating outer cover 149 is injection molded at the rear end of the metal housing 116, the first half housing 144, the second half housing 146, and the front end of the cable 141 to form a complete plug connector 110, or may also be referred to as a wire. Cable connector, the first figure shows the three-dimensional structure of the complete plug connector. In the present embodiment, an LED lamp 160 can be mounted on the daughter card 138, and the light is guided out of the outside through a light pipe (not shown), thereby allowing the user to understand the operation of the connector. It is also possible to provide an annular magnetic member (not shown) on the front surface of the insulating cover 149 of the plug connector 110 to generate magnetism between the metal housing of the plug connector 110 and the metal housing of the receptacle connector. The magnetic attraction of both is achieved and connected.

8 to 12 show a plug connector 400 of a second embodiment. The plug connector 400 includes an insulative housing 412, two rows of terminals 418, an insulating positioning member 434, and a daughter card 438. Both sides of the insulative housing 412 A side groove 413 is provided. The locking member 439 is further provided with two mounting legs 443 on the basis of the U-shape to form an H-shape. The locking member 439 includes a beam 440, a pair of locking arms 441 extending from the two ends of the beam 440, and a pair of mounting legs 443 extending from opposite ends of the beam 440. The locking arm 441 is fixed. The receiving cavity defined in the side groove 413 and protruding into the insulating body 412, the mounting leg 443 passes through the guiding slit 435 of the positioning member 434 to reach the daughter card 438, wherein each locking arm 441 has a lock at the front end thereof The buckle head 442 is used for latching with the shielding plate of the docking socket connector to realize the function of grounding and locking. The mounting foot 443 is soldered to the daughter card 438 for grounding:

The socket connector of the patent application No. 104103354 includes an insulative housing, a terminal, a grounding member and a metal housing; the insulative housing includes a base and a forwardly extending abutting tongue, the butt tongue has two opposite surfaces, and the terminals are arranged in a butt joint a contact portion of two opposite surfaces of the tongue plate, the metal casing surrounding the butt tongue to form an abutting cavity therebetween; the opposite surfaces of the butt tongue are provided with a step at a root adjacent to the base, and the grounding member is covered The outer side of the step portion; a shielding plate is disposed in the butting tongue plate, and the shielding plate isolates the terminals of the opposite surfaces of the butt tongue plate from each other. The socket connectors described below are all improved on the basis of the patent application No. 104103354, and the same points will not be described. Figure 13 is a cross-sectional view showing the socket connector in abutment with the plug connector, wherein the latching head 40 is fastened to the shield plate 76. It is to be noted that the third embodiment is in the patent application No. 104103354. Based on the improvement, the improvement lies in the following three aspects.

Improvement point 1: As shown in the thirteenth figure, the locking member 39 of the embodiment laterally contacts the metal casing 16 to establish a grounding path, and the shielding plate 76 can extend laterally to contact the annular grounding member (as indicated by the B mark position) Or contact the metal housing (as indicated by the position of the A) to establish a ground path, rather than simply by pin 79. In addition, the shielding plate 76 may be provided with a pair of opposite side arms adjacent to the rear end to respectively contact the metal casing 16.

Improvement 2: Figure 14 shows the arrangement of the two types of through-hole pins. The upper part of Figure 14 shows the arrangement of the pins of the lower row of the 104103354 patent application, and the lower part shows the improved lower row of terminals. Arrangement. In the patent application No. 104103354, in order to ensure that the entire row of terminal pins occupy space in the circuit board, in order to increase the spacing between adjacent pins of the same terminal, at the same time ensure the same A differential pair of terminal pins are located in the same row; the upper row of terminals are surface soldering type pins located in the same row, and the lower row of terminals are two types of through hole type pins arranged in two rows, and the pins of the two pairs of differential pair signal terminals are located In the same row, the pins of the D+ and D- terminals are located in the other row. In this embodiment, in the pins of the lower row of terminals, the pins of the two differential pair signal terminals are respectively located in different rows, and the pins of the D+ and D- terminals are also located in different rows, and the pins of the upper row of the terminal in this embodiment are It can also be a through-hole type pin arranged in two rows, which can be arranged in the same arrangement as the lower row of terminals, or can be arranged symmetrically in mirror image, so that the outermost grounding terminals of the upper and lower rows of terminals can be arranged more closely together. In this way, either the same through hole on the circuit board or the two ground terminals can be shared, or a common grounding rod can be mechanically and electrically connected. In order to enhance the grounding effect, the pins of the grounding terminals can be laterally widened. It should be noted that in order to ensure the positioning of the pins of the lower row of terminals, the lower body is provided with an inclined structure surrounding the pins. The shielding plate may be provided with a pair of elastic arms that connect the grounding terminals.

Improvement point 3: FIG. 15 to FIG. 16 are partial enlarged views of the thirteenth diagram, and the socket connector 150 is provided with a pair of switch terminals 181, 182, which are in an initial state when no corresponding plug connector is inserted The pair of switch terminals 181, 182 are separated from each other, or when other types of plug connectors 152 are inserted, the other type of plug connectors have recesses 154 that can accommodate the switch terminals, so that the pair of switch terminals are not touched when the plug is inserted As shown in Fig. 15, as shown in Fig. 16, when the corresponding plug connector 156 is inserted, it activates the switch terminal.

17 to 19 show the socket connector 200 of the fourth embodiment. The metal grounding member 264 of the present embodiment is further provided with a fixing plate 268 extending rearward from the annular portion 266, and the fixing plate 268 is fixed on the upper portion. In the slit 270 of the body 272, the annular portion 266 is provided with a plurality of elastic pieces 274, and a plurality of elastic pieces 274 are formed by tearing from the front edge of the annular portion 266 for mechanically and electrically connecting the corresponding grounding terminals 276.

The twenty-fifth to twenty-fifth figures show the receptacle connector 300 of the fifth embodiment, the main difference being that the shield plate 376 further includes an auxiliary plate 378 stacked therewith. The shielding plate 376 is integrally formed There are two protruding portions 380 protruding downward, and the corresponding grounding terminal 382 is exposed on the lower surface of the mating tongue 384. The grounding terminals 382 are relatively short and the front ends thereof are mechanically and electrically connected to the protruding portions 380. The projections 380 are used to serve as contacts for the ground terminals 382. The ground terminal 382 can also be connected to other portions of the shield plate 376. Similarly, the auxiliary plate 378 is integrally formed with another pair of protrusions 386 extending upwardly to be exposed on the upper surface of the mating tongue 384 and contacting the ground terminal of the upper row of terminals, thereby becoming the upper row. Ground terminal contact in the terminal. The shielding plate 376 and the auxiliary plate 378 may be in one piece, such as a shielding plate 388, which may form upper and lower projections 389, 390 as shown in the twenty-fifth figure.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed 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 thereto. Equivalent modifications or variations made by those skilled in the art in the spirit of the present invention are still included in the scope of the appended claims.

112‧‧‧Insulated body

116‧‧‧Metal housing

1161‧‧‧Upper and lower trailing edge

1162‧‧‧Left and right rear edge

138‧‧‧ daughter card

141‧‧‧ Cable

142‧‧‧core

143‧‧ ‧ cable organizer

144‧‧‧ first half shell

1441‧‧‧Upper depression

146‧‧‧ second half shell

1461‧‧‧ under the depression

149‧‧‧Insulated cover

158‧‧‧Insulation board

160‧‧‧LED lights

Claims (10)

A socket connector includes an insulative housing, a terminal, a grounding member, and a metal housing; the insulative housing includes a base and a forwardly extending abutment tab, the mating tongue having two opposing surfaces, the terminal including Arranging a contact portion on two opposite surfaces of the butt tongue, the metal casing surrounding the butt tongue to form an abutment cavity therebetween; wherein two opposite surfaces of the abutment tongue are disposed adjacent to a root of the base There is a step portion, the grounding member is wrapped on the outer side of the step portion; the mating tongue plate is provided with a shielding plate, and the shielding plate separates the terminals of the opposite surfaces of the abutting tongue plate from each other. The socket connector of claim 1, wherein the terminal of the socket connector comprises a grounding terminal, and the grounding member is provided with a plurality of elastic pieces overlapping the grounding terminal. The socket connector of claim 1, wherein the terminal of the socket connector comprises a grounding terminal, and the auxiliary tongue plate is further provided with an auxiliary plate, wherein the shielding plate and the auxiliary plate respectively extend integrally In the outlet portion, the protruding portion overlaps the ground terminal to form a contact portion of the ground terminal. The socket connector of claim 1, wherein the terminal of the socket connector comprises a grounding terminal, and the shielding plate integrally extends outwardly from the two opposite surfaces of the butting tongue, wherein the shielding portion The protruding portion overlaps the ground terminal to form a contact portion of the ground terminal. The socket connector of claim 1, wherein the socket connector is provided with a pair of switch terminals. A plug connector for mating with a socket connector according to any one of claims 1 to 5, wherein the plug connector comprises a metal housing, an insulative housing, two terminal modules, and a locking member; The insulating body is provided with a receiving cavity extending forwardly and a terminal slot on both sides of the receiving cavity. The receiving cavity is arranged in a 180-degree symmetrical structure, and each terminal module comprises an insulator and a terminal fixed to the insulator, the terminal The contact portion and the pin extending from the insulator; the locking member has a pair of latch arms; wherein the two terminal modules are mounted behind the insulating body and the terminal contact portion is received in the terminal slot, the lock The fastener is clamped between the two terminal modules and the locking arm extends into the receiving cavity, and the metal casing is wrapped around the insulating body and the two terminal modules. The plug connector of claim 6, wherein the latching member comprises a beam, the latching arm extending forward from the beam, and a mounting leg extending rearwardly from the beam. The plug connector of claim 6, wherein the opposite inner surfaces of the two terminal modules are provided with U-shaped recesses, and the latch members are received in the recesses. The plug connector of claim 6, wherein a shielding sheet is sandwiched between the insulative housing and the metal housing. The plug connector of claim 6, wherein the outer side of the insulating body is sandwiched with an insulating sheet, and the insulating sheet is disposed outside the terminal contact portion to isolate the contact portion from the metal case.