CN202004255U - Electric connector - Google Patents

Abstract

The invention relates to an electric connector, comprising a shielding shell, a first side wall and a second side wall arranged adjacent and vertical with each other. The fist side wall is equipped with a hook, so is the second side wall; the hook of the first side wall is supported against the outer surface of the second side wall, and the hook of the second side wall is supported against the outer surface of the first side wall, so that the first side wall and the second side wall are combined together. The electric connector is simple in structure, stable in cooperation and convenient in operation.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to a snap fit structure of a shielding shell of the electric connector.

【Background technique】

In the prior art, the shielding shells of traditional connectors usually set their combined positions in a staggered double dovetail structure, that is, the first part where the shielding shells are combined is provided with a number of notches spaced apart from each other, and there are gaps between the notches. Protrusion, the other part corresponding to the notch is provided with a protruding part with the same shape as the notch, and the corresponding protruding part is provided with a notch with the same shape as the protruding part. snap fit, the protruding part of the first part is accommodated in the notch of the second part and snap fit with the notch, and the two are combined to combine the two parts of the shielding shell together. However, this traditional structure is easy to be separated during the assembly process and needs to be welded. Therefore, it is necessary to improve the prior art to overcome the above-mentioned defects.

【Content of utility model】

The technical problem to be solved by the utility model is to provide an electric connector with a stable matching of the shielding shell and a simple structure.

In order to solve the above technical problems, the utility model can adopt the following technical solutions: an electrical connector, which includes a shielding shell, which has first and second side walls that are adjacent and perpendicular to each other, and the first side The wall is provided with a hook, and the second side wall is also provided with a hook. The hook of the first side wall is against the outer surface of the second side wall, and the hook of the second side wall is against the first side wall. The outer surface of the first side wall and the second side wall are combined together.

Compared with the prior art, the utility model has the following beneficial effects: Compared with the prior art, the shielding shell of the electrical connector of the utility model is provided with hooks on two adjacent side walls, wherein the side walls The hooks are held against the other side wall to combine with each other, the cooperation is stable, the structure is simple, and the operation is convenient.

【Description of drawings】

Fig. 1 is a perspective view of the utility model electrical connector;

Fig. 2 is a partial exploded view of the electrical connector shown in Fig. 1;

Fig. 3 is an exploded view of the insulating body and the terminal module of the electrical connector shown in Fig. 2;

FIG. 4 is an exploded view of the terminal module of the electrical connector shown in FIG. 2;

Fig. 5 is a perspective view of another angle of the electrical connector of the present invention;

Fig. 6 is a partially exploded view of the electrical connector shown in Fig. 5;

7 is a perspective view of a third angle of the electrical connector of the present invention;

FIG. 8 is a perspective view of the shielding shell of the electrical connector shown in FIG. 7 .

[Description of main component symbols]

Electrical connector 100 chrome body 1

Bottom wall 10 Card slot 101

Bottom opening 103 Main body 11

Containment Chamber 110 Extension Wall 12

Tongue plate 13 side 131

Second terminal slot 133 Clearance 14

Left side wall 15 Left side wall terminal slot 151

Right side wall 17 Right side wall terminal slot 171

Convex 153, 173 Slot 155, 175

Top wall 19 Slotted 191

Terminal Module 3 Color Body 31

Conductive terminal 33 Installation part 331

Horizontal installation part 331a Vertical installation part 331b

Docking part 333 Welding part 335

Clamping Opening 337 Terminal Carrier 35

Left side of carrier 351 Right side of carrier 353

The first terminal slot 355 card block 357

Barrier 359 Buckle Mechanism 37

Connecting part 371 Buckle bump 373

opening 375 connecting arm 377

Shielding Shell 5 Shell Top Wall 51

Hole 511 The first and fourth side walls (shell side walls) 53

Notch 531 First hook 533

Second side wall (shell bottom wall) 55 Second crotch 551

The third side wall (guide wall) 57

【Detailed ways】

Please refer to FIGS. 1 to 8 which show an electrical connector 100 according to the present invention, which is used to be installed on an external device, such as a circuit board. The electrical connector 100 includes an insulating body 1 , a terminal module 3 and a shielding case 5 .

Referring to FIGS. 3 , 4 and 6 , the insulating body 1 is provided with a main body 11 having a receiving cavity 110 and a tongue 13 extending forward from the main body 11 . The main body 11 has a left side wall 15, a right side wall 17, a top wall 19 and a bottom wall 10 connecting the left side wall 15 and the right side wall 17, the left side wall 15, the right side wall 17, the top The wall 19 and the bottom wall 10 together define the receiving cavity 110 .

The top wall 19 of the main body 11 defines a slot 191 at a rear end thereof. The left side wall 15 is provided with four left side wall terminal slots 151 parallel and spaced on its inner side, and the right side wall 17 is provided with five right side wall terminal slots 171 parallel spaced on its inner side. The terminal grooves 151 on the left side wall and the terminal grooves 171 on the right side wall are horizontally disposed parallel to the bottom wall 10 . The left and right side walls 15 , 17 are respectively provided with a locking groove 101 parallel to the bottom wall 10 at the positions where they connect to the bottom wall 10 . The left and right side walls 15, 17 are respectively provided with a convex portion 153, 173 extending outward on the outer side thereof, and a pair of slots 155, 155 are formed between the convex portion 153, 173 and the left and right side walls 15, 17. 175. The bottom wall 10 is provided with a bottom opening 103 communicating with the receiving cavity 110 from the rear to the front, and the bottom wall 10 extends forward beyond the front end of the main body 11 to form an extension wall 12 , the extension wall 12 is connected to the bottom of the tongue plate 13 There is a gap 14 between them.

The tongue plate 13 has two opposite sides 131, wherein one side 131 is provided with four second terminal slots 133 corresponding to the four left side wall terminal grooves 151 of the left side wall 15, and the other side 131 is corresponding to the right side wall 17. The five terminal slots 171 on the right side wall are provided with five second terminal slots 133 , and the second terminal slots 133 are communicated with the receiving cavity 110 .

Please refer to FIGS. 3 , 4 and 6 , the terminal module 3 is installed in the insulating body 1 , and includes an insulator 31 and a plurality of conductive terminals 33 assembled in the insulator 31 .

The insulator 31 has a terminal carrier 35 and a buckle mechanism 37 disposed above the terminal carrier 35 . The terminal carrier 35 has a carrier left side 351 and a carrier right side 353 arranged oppositely, the carrier left side 351 has four first terminal grooves 355 arranged in parallel and spaced apart, and the carrier right side 353 has five first terminals arranged in parallel and spaced apart. Slots 355 , each first terminal slot 355 has a horizontal slot and a vertical slot communicating with each other, and a barrier 359 is provided between the adjacent first terminal slots 355 .

The buckle mechanism 37 is arranged above the insulator 31 and is used for snap fit with the shielding case 5 . The locking mechanism 37 has a connecting portion 371 and a locking protrusion 373 disposed above the connecting portion 371 . The middle part of the connecting portion 371 is provided with an opening 375, the opening 375 makes the connecting portion 371 hollow, the connecting portion 371 forms a connecting arm 377 around the opening 375, and the buckle protrusion 373 is arranged on the connecting arm 377 .

The terminal carrier 35 of the insulator 31 is accommodated in the accommodation cavity 110 of the insulator body 1, the connecting portion 371 of the buckle mechanism 37 is accommodated in the slot 191 of the top wall 19 of the insulator body 1, and the buckle protrusion 373 extends out of the top. The upper side of the wall 19 , that is, the locking protrusion 373 extends out of the side wall of the insulating body. The insulator 31 is provided with a locking block 357 on its outer side, and the locking block 357 is accommodated in the slot 101 of the insulating body 1 through interference fit so as to fix the terminal module 3 in the receiving cavity 110 of the insulating body 1 .

The conductive terminal 33 has a mounting portion 331 , a mating portion 333 extending from one end of the mounting portion 331 , and a welding portion 335 extending from the other end of the mounting portion 331 . The mounting portion 331 has a horizontal mounting portion 331a and a vertical mounting portion 331b perpendicular to the horizontal mounting portion 331a. The plurality of conductive terminals 33 have nine in total, wherein the shapes and structures of the first to eight conductive terminals 33 are the same, the width of the butt joint portion 333 of the ninth conductive terminal 33 is smaller than that of other conductive terminals, and the mounting portion 331 is formed from the horizontal mounting portion. An extending portion 331c extends parallel to the vertical mounting portion 331b from the 331a, and the extending portion 331c extends in the same direction as the vertical mounting portion 331b to form a clamping opening 337 . The first to fourth conductive terminals 33 are received in the first terminal slot 355 of the left side 351 of the carrier with interference fit, and the fifth to ninth conductive terminals 33 are received in the first terminal slot 355 of the right side 353 of the carrier with interference fit. Wherein, the horizontal mounting portion 331a of each conductive terminal 33 is accommodated in the horizontal groove of the first terminal groove 355, the vertical mounting portion 331b is accommodated in the vertical groove of the first terminal groove 355, and the abutting portion 333 passes through the left side wall of the insulating body 1. The guides of the terminal groove 151 and the terminal groove 171 on the right side wall extend out of the horizontal groove and are accommodated in the second terminal groove 133 of the tongue plate of the insulating body 1 for mating connection with the mating connector. The welding part 335 extends out of the vertical groove. The clamping opening 337 of the ninth conductive terminal is clamped on the barrier 359 of the terminal carrier 35, that is, the barrier 359 is clamped between the extension part 331c and the vertical mounting part 331b. At this time, the conductive terminal 33 is held stably on the terminal carrier 35 .

The terminal module 3 is installed on the insulating body 1 from the back to the front. At this time, the terminal carrier 35 is accommodated in the receiving cavity 110 of the insulating body 1, and the blocks 357 on both sides of the terminal carrier 35 are interference-fitted and accommodated in the insulating body 1. The slot 101 is used to fix the terminal module 3 in the receiving cavity 110 of the insulating housing 1 . The connecting portion 371 of the locking mechanism 37 is received in the slot 191 of the top wall 19 of the main body 11 , and the locking protrusion 373 extends beyond the upper surface of the top wall 19 and is located above the top wall 19 . The butt joint portion 333 of each conductive terminal 33 is finally accommodated in the second terminal groove 133 of the tongue plate through the guidance of the left side wall terminal groove 151 and the right side wall terminal groove 171 of the inner wall of the main body 11 of the insulating body 1, so as to be connected with the docking connector. The conductive terminals (not shown) are mated and connected, and the welding portion 335 extends out of the insulating body 1 from the bottom opening 103 of the bottom wall 10 of the main body 11 to facilitate welding to external devices.

The shielding housing 5 is provided with a first side wall 53, a shell top wall 51 perpendicular to and connected to the first side wall 53, a third side wall 57 connected to the shell top wall 51 and obliquely arranged, connected to the third side wall 57 and parallel to the fourth side wall 53 of the first side wall 53, one end of the second side wall 55 is connected to the fourth side wall 53, and the other end is connected to the first side wall through the hook 551, so as to be connected with The first side wall 53 , the housing top wall 51 , the third side wall 57 and the fourth side wall 53 together form a complete shielding housing 5 . In the description of this embodiment, the first side wall 53 and the fourth side wall 53 are a pair of housing side walls 53 oppositely arranged, and the third side wall 57 is a guide wall 57 . That is, the shielding housing 5 is provided with a shell top wall 51, a pair of shell side walls 53 perpendicular to the shell top wall 51 and oppositely arranged, and a shell bottom wall 55 parallel to the shell top wall 51 and connected to the pair of shell side walls 53. And the guide wall 57 connecting the shell top wall 51 and the shell side wall 53, the shell side wall 53 and the shell bottom wall 55 are adjacently arranged. The top wall 51 of the case is provided with an opening 511 at its rear, and each side wall 53 of the case is provided with a notch 531 at its rear, and one of the side walls 53 of the case has gaps arranged at intervals at a position adjacent to the bottom wall 55 of the case. A pair of first curved hooks 533, these first curved hooks 533 are perpendicular to the shell side wall 53 and parallel to the shell bottom wall 55, the shell bottom wall 55 is provided with a second curved hook 551 at the position adjacent to the shell side wall 51, the The second hook 551 is perpendicular to the bottom wall 55 of the case and parallel to the side wall 53 of the case. The first hook 533 is against the outer surface of the case bottom wall 55, the second hook 551 of the case bottom wall 55 is against the outer surface of the case side wall 53, and the second hook 551 is located on the first hook. 533 so that the shell side wall 53 and the shell bottom wall 55 are stably combined together, the cooperation is stable, the structure is simple, and the operation is convenient. The guide wall 57 is provided with an inclined plane, and the inclined plane is used to guide the insertion of the butt connector, that is, to prevent mis-insertion of the butt connector.

Please refer to Figures 1, 2, 7 and 8, when the shielding housing 5 is wrapped around the periphery of the insulating body 1 and the terminal module 3, the protrusions of the left and right side walls 15, 17 of the main body 11 of the insulating body 1 Parts 153, 173 are clamped in the notch 531 of the side wall 53 of the case. At this time, the side wall 53 of the case is accommodated in the convex part 153, 173 and the left and right side walls 15, 15, 17 formed between the slots 155, 175, so that the shielding shell 5 is positioned on the periphery of the insulating body 1 up and down. The buckle projection 373 of the buckle mechanism 37 of the insulator 31 of the terminal module 3 is locked and accommodated in the opening 511 of the top wall 51 of the housing, thereby preventing the shielding housing 5 from shaking back and forth on the insulation body 1. The opening 375 provides a space for deformation when the buckle projection 373 is accommodated in the opening of the shielding housing 5. The opening 375 makes the insertion force of the buckle mechanism 37 small during assembly, the assembly labor intensity is small, and the assembly is simple, and the buckle mechanism 37 The buckle protrusion 373 has good structural elasticity, can rebound when it is in the buckle guide hole 511, and is not easy to be damaged. The rear end of the housing bottom wall 55 is accommodated in the gap 14 of the insulating body 1 , so that the housing bottom wall 55 is located between the extension wall 12 and the tongue plate 13 , thereby preventing the shielding housing 5 from moving up and down.

The electrical connector 100 of the utility model is a special USB connector capable of transmitting power. The electrical connector 100 is easy to disassemble and has a simple structure. When assembling, the insertion force is small, the assembling labor intensity is small, and the buckle structure has good elasticity, and can rebound when the hook is locked in place.

Claims (10)

1. An electrical connector, which includes a shielding housing, which has adjacent and mutually perpendicular first and second side walls, characterized in that: the first side wall is provided with a hook, and the second side wall The wall is also provided with a hook, the hook of the first side wall is against the outer surface of the second side wall, and the hook of the second side wall is against the outer surface of the first side wall so that the first side wall Combined with the second side wall. 2. The electrical connector according to claim 1, wherein the hooks of the first side wall are a pair of first hooks spaced apart from each other, and the hooks of the second side wall are a second hook , the second hook of the second side wall is located between the first hooks of the first side wall. 3. The electrical connector according to claim 2, wherein the shielding housing is further provided with a housing top wall which is vertical and connected to the first side wall, a third side wall connected to the top wall and arranged obliquely, The fourth side wall connected to the third side wall and parallel to the first side wall, one end of the second side wall is connected to the fourth side wall, and the other end is connected to the first side wall through the aforementioned hook, so that Together with the first side wall, the shell top wall, the third side wall and the fourth side wall, a complete shielding shell is formed. 4 . The electrical connector according to claim 3 , wherein the third side wall is a guide wall arranged on an inclined plane, and the guide wall is used to prevent mis-insertion when the mating connector is inserted. 5. The electrical connector according to claim 1, wherein the electrical connector further comprises an insulating body and a terminal module installed in the insulating body, and the shielding shell covers the insulating body and the terminal module. On the periphery of the group, the terminal module includes an insulator and a number of terminals assembled in the insulator. The insulator is provided with a buckle mechanism that cooperates with the shielding shell. The shielding shell is provided with an opening. The buckle mechanism is provided with a buckle bump. The insulating body has a pair of opposite side walls, the terminal module is clamped and accommodated between the side walls, and the locking protrusion extends out of the side wall of the insulating body and is locked and accommodated in the opening of the shielding case. Inside. 6. The electrical connector according to claim 5, wherein the insulator is further provided with a terminal carrier, and the buckle mechanism is provided with a connection portion between the buckle bump and the terminal carrier, and the connection The middle part of the part is provided with an opening, and a connecting arm is formed around the opening, and the buckle protrusion is arranged on the connecting arm, and the opening provides a deformation space for the buckle protrusion to be accommodated in the opening of the shielding shell . 7. The electrical connector according to claim 5, wherein the insulating body is further provided with a top wall connecting a pair of side walls, the top wall is provided with a slot, and the connecting part of the buckle mechanism Received in the slot, the clamping protrusion extends beyond the top wall and is clamped and received in the opening of the shielding shell. 8. The electrical connector according to claim 5, wherein the insulator has two opposite sides, and each side has a plurality of first terminal grooves arranged in parallel and spaced apart, and the conductive terminals have a device mounted on the first The mounting part of the terminal groove and the butt joint extending from one end of the mounting part are accommodated in the first terminal groove, and the butt joint extends out of the insulator to facilitate mating connection with the butt connector. 9. The electrical connector according to claim 8, wherein the mounting portion is provided with a horizontal mounting portion and a vertical mounting portion perpendicular to the horizontal mounting portion, and the horizontal mounting portion extends parallel to the vertical mounting portion An extension part is provided, and the extension part extends in the same direction as the vertical installation part, and a barrier is provided between the first terminal slots, and the barrier is clamped between the extension part and the vertical installation part. 10. The electrical connector according to claim 8, wherein the insulating body is provided with a main body and a tongue plate extending forward from the main body, and the main body is provided with a receiving cavity between a pair of side walls , the tongue plate is provided with a plurality of second terminal slots, the second terminal slots communicate with the receiving cavity, the insulator is stored in the receiving cavity, and the butt joint part extends out of the receiving cavity and is stored in the second terminal slot .

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