CN206640038U - Socket connector - Google Patents

Abstract

The utility model relates to a socket connector, which includes an insulator, a plurality of conductive terminals, a metal middle spacer and a metal shell for accommodating the insulator, the insulator includes a main body and a tongue extending forward from the main body, the tongue It has an upper surface, a lower surface and two side surfaces between the upper surface and the lower surface, the conductive terminal includes a first terminal group and a second terminal group, and the first terminal group and the second terminal group respectively include grounding terminals , The power terminal and the signal terminal, the front end of the intermediate spacer is provided with an avoidance gap, and the front ends of the power terminal and the signal terminal are aligned with the avoidance gap up and down to avoid short-circuit burn-in.

Description

socket connector

technical field

The utility model relates to a socket connector, in particular to a socket connector with a metal middle partition.

Background technique

The main purpose of the socket connector is the transmission of power or signals. It is an indispensable component in electrical products. The USB Type-C connector supports positive and negative insertion and high-frequency transmission (up to 10GBit/s), and is more and more widely used. .

For the prior art related to this case, you can refer to a socket connector disclosed in Chinese Utility Model Patent No. CN205863518U, which includes an insulator, a first terminal group, a second terminal group, a metal middle spacer and a metal shell, and the insulator includes a first The insulator and the second insulator located below the first insulator, the first terminal group is fixedly connected to the first insulator, the second terminal group is fixedly connected to the second insulator, and the intermediate spacer is embedded between the first insulator and the second insulator, and at the same time Located between the first and second terminal groups, the metal shell is provided with an insertion hole, and the insulator is provided with a tongue plate located in the insertion hole.

The first and second terminal groups respectively include grounding terminals, signal terminals and power terminals, and each terminal is provided with a contact part arranged on the tongue plate and the lower surface, in order to increase the connection between the contact part and the first and second insulators Strength and reduce the insertion force of the plug connector, the front end of the contact part of the first terminal group is provided with a first bending part formed by bending downward at a certain angle and a first extending part extending horizontally forward from the first bending part, The front end of the contact portion of the second terminal group is provided with a second bending portion bent upward at a certain angle and a second extension portion extending horizontally forward from the second bending portion. If the gap is too small, the power terminal, signal terminal and the intermediate spacer are prone to short circuit.

Therefore, it is necessary to design a new socket connector to solve the above technical problems.

Utility model content

The purpose of the utility model is to provide a socket connector capable of preventing short-circuit burning.

In order to achieve the aforementioned purpose, the utility model adopts the following technical solution: a socket connector, which includes an insulator, a plurality of conductive terminals, a metal middle spacer, and a metal shell for accommodating the insulator. The insulator includes a main body and a An extended tongue plate, the tongue plate has an upper surface, a lower surface and two side surfaces between the upper surface and the lower surface, the conductive terminal includes a first terminal group and a second terminal group, and the first terminal group It includes two first grounding terminals located on the left and right sides of the tongue plate, a first power supply terminal and a first signal terminal located between the two first grounding terminals, and each terminal of the first terminal group is arranged on the tongue. The first contact portion on the surface, the front end of the first contact portion of the first power terminal and the first signal terminal is provided with a first bending portion formed by bending downward at a certain angle and extending horizontally forward from the first bending portion The first extension part, the second terminal group includes two second ground terminals located on the left and right sides of the tongue plate and a second power terminal and a second signal terminal located between the two second ground terminals, the first terminal group Each terminal is provided with a second contact portion arranged on the lower surface of the tongue, and the front end of the second contact portion of the second power terminal and the second signal terminal is provided with a second bending portion formed by bending upward at a certain angle and The second extension part horizontally extending forward from the second bending part, the middle partition is located between the first and second terminal groups, the metal shell is provided with an insertion hole, and the tongue plate is located in the insertion hole Inside, the front end of the intermediate spacer is provided with an avoidance notch, the first and second bending parts are bent toward the avoidance notch side, and the first and second extension parts are arranged correspondingly to the avoidance notch.

Further, the connection point between the rear side of the first bending part and the first contact part is located at the front side of the rear edge of the escape notch of the middle partition, and the connection point between the rear side of the second bending part and the second contact part is located in the middle. The front side of the spacer avoids the rear edge of the notch.

Further, the front end of the first contact portion of the first ground terminal is also provided with a first bent portion bent downward at a certain angle and a first extension portion horizontally extending forward from the first bent portion, the The front end of the second contact portion of the second ground terminal is also provided with a second bending portion bent upward at a certain angle and a second extension portion extending horizontally forward from the second bending portion. A pair of extension sides are provided on the left and right sides of the avoidance gap, and the first and second extension parts of the first and second ground terminals correspond up and down to the extension sides.

Further, the tongue protrudes forward from the septum, and the front end of the extension edge is covered by the insulating material on the tongue.

Further, grooves and protrusions shielding the front of the grooves are respectively provided on the two side surfaces of the tongue plate, and the extending edge laterally protrudes from the protrusions to form a guide piece.

Further, the left and right sides of the middle partition are provided with buckle pieces protruding into the groove, the front end of the buckle piece is connected to the extension edge, and the outside of the buckle piece is provided with a buckle in the groove. groove.

Further, the insulator includes first and second insulators assembled together up and down and a third insulator injection-molded on the first and second insulators and the intermediate spacer, and the intermediate spacer is clamped and fixed on the first insulator Between the second insulator, the first terminal group is insert-molded in the first insulator, and the second insulator is insert-molded in the second insulator.

Further, the intermediate piece includes a horizontal main piece and two tails bent and extended downward from the left and right ends of the main piece, and two notches are respectively provided on the left and right sides of the main piece, and the two notches are spaced apart from each other. The outer side of the first ground terminal has a first positioning piece bent downward and extending through the notch, the outer side of the second ground terminal has a second positioning piece bent upward and extending through the notch, the first positioning The lower end of the piece has a first blocking piece that protrudes forward, and the upper end of the second positioning piece has a second blocking piece that protrudes backward. slice above.

Further, the metal casing includes a top wall and a bottom wall surrounding the socket hole, and opposite side walls connecting the top wall and the bottom wall, and the two side walls are respectively provided with first mounting feet and positioned on the first The second mounting foot behind the mounting foot. The second mounting foot is located at the rear end of the side wall and tends to be coplanar with the side wall. The side wall has a through hole left by stamping the first mounting foot. The through hole and the insertion hole through.

Further, the receptacle connector is a USB Type-C receptacle connector, the first mounting foot includes a horizontal part connected to the side wall and an upright part bent downward from the end of the horizontal part, the horizontal part and the The second mounting foot is higher than the bottom wall.

The front end of the middle partition of the socket connector of the utility model is provided with an avoidance gap, and the first and second extension parts of the first and second power terminals, the first and the second signal terminals are aligned up and down with the avoidance gap, and the first and second A short circuit occurs between the second power supply terminal, the first and the second signal terminal and the intermediate spacer to prevent burn-in, ensure the performance of the socket connector, and prolong the service life.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of the socket connector of the present invention.

Fig. 2 is a cross-sectional view of the socket connector of the present invention.

Fig. 3 is a three-dimensional exploded view of the terminal module of the socket connector of the present invention separated from the metal shell.

Fig. 4 is a three-dimensional exploded view of the socket connector of the present invention.

FIG. 5 is a three-dimensional schematic view of the conductive terminals and the intermediate spacer of the socket connector of the present invention.

FIG. 6 is a three-dimensional schematic view of the conductive terminal and the middle spacer of the socket connector of the present invention, showing the relative positions of the conductive terminal and the middle spacer.

detailed description

Please refer to Fig. 1 to Fig. 6, the socket connector 100 of the present invention is a sunken plate type USB Type-C socket connector for installation on a circuit board (not shown), which is docked with a plug connector, and its It includes an insulator 10 , a conductive terminal 20 , a metal middle spacer 30 and a metal shell 40 .

The insulator 10 includes a first insulator 11 , a second insulator 12 and a third insulator 13 . The insulator 10 also includes a main body 14 and a horizontal tongue 15 protruding forward from the main body 14 . The tongue plate 15 has an upper surface 151, a lower surface 152 opposite to the upper surface 151, and opposite side surfaces 153 connecting the upper surface 151 and the lower surface 152. The convex part 155.

The first insulator 11 is located above the second insulator 12 , and the two are stacked together. The conductive terminal 20 includes a first terminal set 21 and a second terminal set 22 , the first terminal set 21 is insert-molded on the first insulator 11 , and the second terminal set 22 is insert-molded on the second insulator 12 . The first terminal group 21 includes two first ground terminals 211 located on the left and right sides of the tongue plate 15, two first power terminals 212 located inside the two first ground terminals 211, and a plurality of first signal terminals 213. The first signal terminals 213 The two first power terminals 212 are separated into three groups, two groups are respectively located between a first ground terminal 211 and a first power terminal 212 , and the remaining group is located between the two first power terminals 212 .

The second terminal group 22 also includes two second ground terminals 221 located on the left and right sides of the tongue plate 15, two second power terminals 222 located inside the two second ground terminals 221, and a plurality of second signal terminals 223. The second signal terminals 223 is separated into three groups by the two second power terminals 222 , two groups are respectively located between a second ground terminal 221 and a second power terminal 222 , and the remaining group is located between the two second power terminals 222 .

Each terminal of the first terminal group 21 includes a first contact portion 214 and a first welding portion 215. The front end of the first contact portion 214 is provided with a first bending portion 216 formed by bending downward at a certain angle, and a first bending portion 216 is formed from the first bending portion. The first extension 217 of the portion 216 extends horizontally forward. Each terminal of the second terminal group 22 includes a second contact portion 224 and a second welding portion 225. The front end of the second contact portion 224 is provided with a second bending portion 226 bent upward at a certain angle and from the second bending portion. 226 and a second extension 227 extending horizontally forward.

The outside of each first ground terminal 211 has a first positioning piece 218 bent and extended downward, and the outside of each second ground terminal 221 has a second positioning piece 228 bent and extended upward. The first and second positioning pieces 218, 228 are spaced front and back. The lower end of the first positioning piece 218 has a first blocking piece 219 protruding forward, and the upper end of the second positioning piece 228 has a second blocking piece 229 protruding backward.

The spacer 30 is clamped and fixed between the first insulator 11 and the second insulator 12, and is located between the first terminal 21 and the second terminal group 22, and is used to lower the distance between the first and second terminal groups 21, 22. crosstalk between signals. The middle spacer 30 includes a horizontal main body 31 and tails 32 bent downwards from the left and right ends of the main body 31 . The tails 32 extend downwards out of the insulator 10 for soldering into the mounting holes of the circuit board.

The front end of the main piece 31 has a rectangular avoidance notch 311 penetrating the main piece 31 up and down and a pair of extending sides 312 surrounding the left and right sides of the avoidance notch 311 . The tongue plate 15 protrudes forward from the main body piece 31, and the front end surface of the extension edge 312 is covered by the insulating material on the tongue plate 15. The extension edge 312 protrudes laterally from the convex portion 155 of the tongue plate 15 to form a guide piece 313, and the guide piece 313 is used to guide the insertion of the metal locking piece on the plug connector, and at the same time prevent the locking piece from scratching the tongue plate 15 and reduce the wear of the tongue plate 15 . The first power terminal 212 and the first bending portion 216 and the first extending portion 217 of the first signal terminal 213 and the second power terminal 222 and the second bending portion 226 and the second extending portion 227 of the second signal terminal 223 are respectively Align up and down with the avoidance notch 311, that is, the first and second bending parts are bent toward the avoidance notch, and the first and second extensions are arranged corresponding to the avoidance notch, preventing the first and second extensions 217, 227 is in contact with the middle spacer 30 to prevent short circuit from burning the machine.

In this embodiment, the connection point between the rear side of the first bending portion 216 and the first contact portion 214 is located at the front side of the rear edge of the escape notch 311 of the middle partition 30 , and the connection point between the rear side of the second bending portion 226 and the second The connection point of the two contact parts 224 is located at the front side of the rear edge of the escape notch 311 of the middle partition 30; ensure that the first and second extensions 217, 227 are in contact with the middle partition 30 to prevent short-circuit burn-in. The first and second extensions 217 and 227 of the first and second grounding terminals 211 and 221 are vertically aligned with the extension side 312 and can be disconnected or contacted.

The main piece 31 also has a buckle piece 314 protruding into the groove 154 of the tongue plate 15. The front end of the buckle piece 314 is connected to the extension edge 312. The buckle piece 314 is provided with a lock groove 315 located in the groove 154, and the lock The buckle groove 315 is used to lock together with the locking piece to ensure that the receptacle connector 100 and the plug connector are reliably joined together to realize stable transmission of electrical signals.

The left and right sides of the main piece 31 are respectively provided with two notches 318 located behind the buckle piece 314. The two notches 318 are spaced apart from each other. , to limit the front and rear movement of the main body piece 31 , the first blocking piece 219 is shielded below the main body piece 31 , and the second blocking piece 229 is shielded above the main body piece 31 , limiting the main body piece 31 to move up and down.

The metal casing 40 includes a top wall 41 , a bottom wall 42 , two opposite side walls 43 connecting the top wall 41 and the bottom wall 42 , and an insertion hole 44 between the top wall 41 , the bottom wall 42 and the two side walls 43 . The two side walls 43 are respectively provided with a first mounting foot 431 and a second mounting foot 432 behind the first mounting foot 431 . The second mounting foot 432 is located at the rear end of the side wall 43 and tends to be coplanar with the side wall 43 . The side wall 43 has a through hole 433 left by the first mounting leg 431 formed by stamping, and the through hole 433 communicates with the insertion hole 44 . The first mounting foot 431 includes a horizontal portion 434 connected to the side wall 43 and an upright portion 435 bent downward from the end of the horizontal portion 434. The horizontal portion 434 is higher than the bottom wall 42, and the second mounting foot 431 is also higher than the bottom wall. 42.

When manufacturing the receptacle connector 100 of the present invention, firstly, the first terminal group 21 is insert-molded on the first insulator 11 , and the second terminal group 22 is insert-molded on the second insulator 12 . Secondly, the spacer 30 is clipped and fixed between the first insulator 11 and the second insulator 12 . Then, the third insulator 13 is injection-molded on the outside of the first insulating block 11 , the second insulating block 12 and the spacer 30 to form a terminal module 18 . Finally, the terminal module 18 is assembled in the metal shell 40, the tongue plate 15 is located in the insertion hole 44, and the first and second contact portions 214, 224 of the conductive terminal 20 are exposed to the insertion hole 44 for connecting with the plug connector. Contact, production is completed.

The front end of the spacer 30 in the socket connector 100 of the present utility model is provided with an avoidance gap 311, and the first and second extension parts 217 and 227 of the first and second power terminals 212 and 222 and the first and second signal terminals 213 and 223 are up and down. Align to avoid short-circuit burn-in between the first and second power terminals 212, 222, first and second signal terminals 213, 223 and the intermediate spacer 30, ensure the performance of the socket connector 100, and prolong the service life.

Although preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that, without departing from the scope and spirit of the present invention as disclosed by the appended claims, Various improvements, additions, and substitutions are possible.

Claims (10)

1. a kind of socket connector, it includes insulator, some conducting terminals, middle partition and the metal shell for housing insulator, The insulator includes the hyoplastron that main part and main body extend forward, and the hyoplastron has upper surface, lower surface and is located at Both side surface between upper surface and lower surface, the conducting terminal include first end subgroup and Second terminal group, and described first Terminal group includes a pair of first ground terminals at left and right sides of hyoplastron and the first electricity between first ground terminal Source terminal, the first signal terminal, each terminal of first end subgroup is provided with the first contact site for being arranged in tongue upper surface, described First contact site front end of the first power supply terminal and the first signal terminal is provided with the first bending that bending certain angle downwards is formed Portion and the first extension from the extension of the first kink forward horizontal, the Second terminal group are included at left and right sides of hyoplastron Two second ground terminals and second source terminal, secondary signal terminal between two second ground terminal, the first terminal Each terminal of group is provided with the second contact site for being arranged in tongue lower surface, the second source terminal and secondary signal terminal Second contact site front end is provided with the second kink for being folded upward at certain angle formation and extended from the second kink forward horizontal The second extension, for the middle partition between first, second terminal group, the metal shell is provided with spliced eye, the tongue Plate is located in spliced eye, it is characterised in that：The middle partition front end, which is provided with, avoids breach, and first, second kink is towards the avoidance Notch side bending, and first, second extension is correspondingly arranged with avoiding breach.

2. socket connector according to claim 1, it is characterised in that：The first kink rear side and the first contact site Tie point be located at the front side of avoidance breach trailing edge of middle partition, be located at the tie point of the second contact site on rear side of the second kink The front side of the avoidance breach trailing edge of middle partition.

3. socket connector according to claim 1, it is characterised in that：Before first contact site of first ground terminal End also is provided with the first kink that bending certain angle is formed downwards and the first extension from the extension of the first kink forward horizontal Portion, the second contact site front end of second ground terminal also be provided with being folded upward at certain angle formation the second kink and from Second extension of the second kink forward horizontal extension, the middle partition are provided with a pair enclosed located at avoiding at left and right sides of breach Extension edge, first, second extension of first, second ground terminal are corresponding up and down with extension edge.

4. socket connector according to claim 3, it is characterised in that：The hyoplastron is forwardly convex in middle partition, described The front end face of extension edge is coated by the insulating materials on hyoplastron.

5. socket connector according to claim 3, it is characterised in that：The both side surface of the hyoplastron is respectively equipped with groove And convex portion in front of groove is blocked, the extension edge is laterally protruding to form fairlead in convex portion.

6. socket connector according to claim 3, it is characterised in that：It is provided with and is protruded into recessed at left and right sides of the middle partition Buckling piece in groove, the buckling piece front end are connected with extension edge, and the buckle slot in groove is provided with the outside of the buckling piece.

7. socket connector according to claim 1, it is characterised in that：The insulator includes what is fitted together up and down First, second insulator and the 3rd insulator being molded on first, second insulator and middle partition, the middle partition quilt It is clamped between the first insulator and the second insulator, the first end subgroup is insert molded in the first insulator, described Second insulator is insert molded is arranged to rectangle in the second insulator, the avoidance breach.

8. socket connector according to claim 1, it is characterised in that：The middle partition is including horizontal body piece and independently Body piece left and right ends bend downwards two afterbodys of extension, and the body sheet is respectively arranged on the left side and the right side two recesses, before two recess After be spaced apart, there is the first spacer that bending downwards extends through recess, described second connects on the outside of first ground terminal There is the second spacer for being folded upward at extending through recess, the first spacer lower end has forwardly convex on the outside of ground terminal The first catch, the second spacer upper end has the second catch for protruding backward, and first catch is blocked below body sheet, Second catch is blocked above body sheet.

9. socket connector according to claim 1, it is characterised in that：The metal shell includes enclosing outside spliced eye Roof, bottom wall and the two lateral walls of connection roof and bottom wall of side, the two side is respectively equipped with the first installation foot and is located at Second installation foot at the first installation foot rear, the second installation foot are located at side wall rear end and tend to be coplanar with side wall, the side wall With the through hole for being stamped and formed out the first installation foot and leaving, through hole penetrates with spliced eye.

10. socket connector according to claim 9, it is characterised in that：The socket connector is that USB Type-C are inserted Base connector, first installation foot include the horizontal part being connected with side wall and bend the upright of extension downwards from horizontal part end Portion, the horizontal part and the second installation foot are higher than bottom wall.