CN205159670U - a socket connector - Google Patents

Abstract

The utility model discloses a socket connector, it includes: the insulating seat is provided with a socket for being plugged with the plug; a plurality of terminals, each of which is fixed in the insulating base; the metal shell is fixedly coated on the periphery of the insulating seat; the shaping of metal casing side has the elastic contact arm of two mutual symmetric distributions, and this elastic contact arm end all is formed with a uplift portion, and this uplift portion passes the insulator outer wall and appears in the socket to be equipped with limit structure at the uplift portion end, the elastic contact arm is formed by the inside punching press of metal casing lateral wall, and as being used for leading the ground terminal who connects with the plug, makes the utility model discloses need not additionally to increase ground terminal, simplified the structure, can sparingly make ground terminal and the expense that produces, still can improve packaging efficiency and production efficiency. The utility model discloses with the plug back of docking many times, limit structure can protect the uplift of elastic contact arm can not be inserted by the plug and turn over, the uplift can not be damaged by extrusion deformation promptly to guarantee product life and conductive signal transmission's stability.

Description

a socket connector

Technical field:

The utility model relates to the technical field of connector products, in particular to a socket connector.

Background technique:

A connector is a connecting bridge, which performs electrical connection and signal transmission between devices and devices, components and components, and systems and systems. It is a necessary basic component to form a complete system.

Referring to Figs. 1 and 2, it is a receptacle connector 1 for vehicle equipment such as a car navigator and a car audio system. The receptacle connector 1 includes: an insulating seat 11, terminals 12 installed in the insulating seat 11 and The metal shell 13 is fixed and covered on the outer surface of the insulating base 11. The insulating base 11 is provided with a socket 111 for fitting with a plug along its front end. The pin part 122 of °, the contact part 121 is exposed in the socket 111, and the pin part 122 is exposed on the lower end surface of the insulating base 11. In order to improve communication quality, the receptacle connector 1 is additionally equipped with a grounding terminal 14 for connecting with the plug in the insulating seat 11. The purpose of conduction and grounding. The ground terminal 14 includes a pair of contact arms 141 exposed in the socket 111 , and the head of the contact arm 141 has a protruding portion 142 protruding from the socket 111 .

After the plug is inserted into the socket 111 , the raised portion 142 of the contact arm 141 of the ground terminal 14 is connected to the plug. However, since no structure is provided in the insulating base 11 to limit the moving stroke of the bulge 142 in the ground terminal 14, after the bulge 142 in the ground terminal 14 is docked with the plug many times for a long time, the bulge of the ground terminal 14 will 142 will directly extend into the socket. At this time, the bulge 142 of the grounding terminal 14 will be easily turned over by the plug, that is, the bulge 142 will be deformed and damaged by extrusion, causing the entire socket connector 1 to be unable to use normally.

In addition, the receptacle connector 1 also needs to consider issues such as the manufacturing process of the ground terminal 14 and the assembly of the ground terminal 14 and the insulating seat 11, which is not conducive to improving the market competitiveness of the product.

Utility model content:

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a socket connector.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the socket connector includes: an insulating seat, and the insulating seat is provided with a socket for mating with a plug along its front end; In the insulating seat, and the contact part of the terminal is exposed in the socket; a metal shell, which is fixed and covered on the periphery of the insulating seat; two elastic contact arms are formed on the side of the metal shell, which are symmetrically distributed. A bulge is formed at the end of the elastic contact arm, and the bulge passes through the outer wall of the insulating seat and is exposed in the socket.

Furthermore, in the above technical solution, the outer wall of the insulating seat is provided with a hole through which the bulge passes, and the hole penetrates through the outer wall of the insulating seat and the socket.

Furthermore, in the above technical solution, a limiting structure is provided at the end of the bulge; a limiting groove is provided at the hole wall of the insulating seat, and the limiting structure falls into the limiting groove, and A stop is formed so that the raised portion protrudes into the socket.

Furthermore, in the above technical solution, the limiting structure is a limiting piece arranged at the end of the bulge.

Furthermore, in the above technical solution, outwardly protruding ribs are also formed in the raised portion.

Furthermore, in the above technical solution, the elastic contact arm is formed by punching inward from the side wall of the metal casing.

Furthermore, in the above technical solution, several pins are formed at the lower end of the metal shell.

Furthermore, in the above technical solution, the outer wall of the metal shell is also formed with a riveting piece or a positioning insertion piece for positioning with the insulating seat.

Furthermore, in the above technical solution, the terminal further includes a welding portion, and the welding portion is perpendicular to the contact portion, so that the terminal is in a right-angle shape.

Furthermore, in the above technical solution, the terminal further includes a welding portion, and the welding portion is on the same line as the contact portion, so that the terminal is in the shape of a straight needle.

After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

1. The elastic contact arm described in the utility model is formed by stamping inward from the side wall of the metal shell, and is used as a ground terminal for conducting connection with the plug, so as to achieve the purpose of conducting and grounding the metal shell and the plug. That is to say, the utility model does not need to add additional ground terminals, which greatly simplifies the structure of the utility model, can also save the cost of making the ground terminals, and can also improve the assembly efficiency and production efficiency of the utility model, making the utility model Has high market competitiveness.

2. Since the limit structure at the end of the bulge in the elastic contact arm falls into the limit groove at the hole wall of the hole, only the bulge extends into the socket, even if the utility model is docked with the plug many times, the limit The structure will protect the bulge of the elastic contact arm from being overturned by the plug, that is, the bulge will not be damaged due to extrusion deformation, so as to ensure the service life of the utility model and the stability of conductive signal transmission.

Description of drawings:

Fig. 1 is the front view of socket connector of prior art;

Fig. 2 is a sectional view along A-A direction of Fig. 1;

Fig. 3 is a perspective view of Embodiment 1 of the utility model;

Fig. 4 is a perspective view of another viewing angle of the utility model embodiment;

Fig. 5 is a three-dimensional exploded view of Embodiment 1 of the utility model;

Fig. 6 is the front view of Embodiment 1 of the utility model;

Fig. 7 is a sectional view along B-B direction of Fig. 6;

Fig. 8 is a perspective view of an insulating seat in Embodiment 1 of the utility model;

Fig. 9 is a perspective view of the metal shell in Embodiment 1 of the present utility model;

Fig. 10 is a three-dimensional exploded view of Embodiment 2 of the utility model;

Fig. 11 is a perspective view of another perspective of the second embodiment of the utility model;

Fig. 12 is the front view of the second embodiment of the utility model;

Fig. 13 is a cross-sectional view along C-C direction of Fig. 12 .

Explanation of reference signs:

1 socket connector 11 insulating seat

111 socket 12 terminals

121 contact part 122 pin part

13 Metal shell 14 Grounding terminal

141 contact arm 142 raised part

2 insulating seat 20 sockets

201 The first boss 202 The second boss

203 third boss 204 flange

205 positioning slot 206 riveting slot

21 hole position 22a limit slot

22b limit slot 3 terminals

31 contact part 32 welding part

4 metal shells 41 elastic contact arms

411 Protrusion 412 Limiting piece

413 ribs 42 pins

43 riveting sheet 44 positioning insert

45 rear cover

detailed description:

Below in conjunction with specific embodiment and accompanying drawing, the utility model is further described.

Embodiment one:

As shown in Figures 3 and 4, it is a socket connector, which includes: an insulating base 2, a number of terminals 3 installed in the insulating base 2, and a metal shell 4 fixedly covering the periphery of the insulating base 2.

As shown in FIG. 5 , the insulating base 2 is provided with a socket 20 for mating with a plug along its front end, and at least one first boss 201 is formed on the upper inner wall of the socket 20 , and on the left inner wall of the socket 20 and the right inner wall are formed with a second and third bosses 202, 203 respectively, the second and third bosses 202, 203 are symmetrical to each other, and the first, second and third bosses 201, 202, 203 are used for matching with The plug inserted into the socket 20 forms a limit, plays the role of positioning, and also plays the effect of foolproofing.

As shown in Figures 6 and 7, the outer wall of the insulating base 2 is provided with two holes 21, and the holes 21 pass through the outer wall of the insulating base 2 and the socket 20, wherein the two holes 21 are arranged on the left side of the insulating base 2, On the right outer wall, one hole 21 has a hole wall corresponding to the rear wall of the second boss 202, and the hole wall is provided with a limiting groove 22a; the other hole 21 has a hole wall corresponding to the third boss 203 rear wall, and The wall of the hole is provided with a limiting groove 22b.

Referring again to FIG. 5 , the terminal 3 is in a right-angle shape, and includes a contact portion 31 and a welding portion 32 that are solidly integrated, and the welding portion 32 is perpendicular to the contact portion 31 . The terminal 3 is fixed in the insulating base 2, wherein the contact portion 31 of the terminal 3 is exposed in the socket 20, and the welding portion 32 of the terminal 3 protrudes downward from the lower end surface of the insulating base 2 for use in contact with the insulating base 2. PCB board soldering.

As shown in FIGS. 3 , 6 and 8 , the metal shell 4 is fixedly wrapped around the periphery of the insulating base 2 . Specifically, several flanges 204 are respectively formed on the upper, lower, left and right end surfaces of the front end of the insulating base 2, and the flanges 204 are distributed in a ring; the upper end surface of the insulating base 2 is provided with a positioning groove 205, and the positioning groove 205 is located at Next to the flange 204, the lower end surface of the insulating base 2 is provided with a riveting groove 206, and the riveting groove 206 is located on the side of the flange 204, wherein the flange 204, the positioning groove 205 and the riveting groove 206 are all used for connecting with the metal shell 4 Match targeting. Correspondingly, a positioning insert 44 is formed on the outer wall of the metal casing 4 corresponding to the position of the positioning groove 205, and a riveting piece 43 is formed on the outer wall of the metal casing 4 corresponding to the position of the riveting groove 206. When the metal When the shell 4 is wrapped around the periphery of the insulating base 2, the front edge of the metal shell 4 is in contact with the flange 204 on the insulating base 2, and the positioning insert 44 on the metal shell 4 is inserted into the positioning groove on the insulating base 2 In 205, the riveting piece 43 on the metal shell 4 is riveted and fixed in the riveting groove 206 on the insulating base 2, so that the metal shell 4 is fixedly wrapped around the outer periphery of the insulating base 2, and the structure is relatively stable. The metal shell 4 covers the upper end surface, the left end surface and the right end surface of the insulating base 2 .

In addition, as shown in FIG. 4 again, a rear cover 45 is provided at the rear end of the metal casing 4, and the rear cover 45 is covered on the rear end of the insulating seat 2, so that the shielding effect of the present utility model can be enhanced and the communication of the product can be improved. quality.

As shown in Figures 7 and 9, two elastic contact arms 41 that are symmetrically distributed are formed on the side of the metal shell 4, and a bulge 411 is formed at the end of the elastic contact arm 41, and a limit is provided at the end of the bulge 411. position structure, when the metal shell 4 is fixed and covered on the periphery of the insulating base 2, the bulge 411 of the elastic contact arm 41 in the metal shell 4 passes through the hole 21 provided on the outer wall of the insulating base 2 and is exposed in the socket 20, Specifically, the limiting structure at the end of the protruding portion 411 falls into the limiting groove 22 on the wall of the hole 21 to form a limiting structure, so that the protruding portion 411 protrudes into the socket 20 . Since the limit structure at the end of the bulge 411 in the elastic contact arm 41 falls into the limit groove 22a or the limit groove 22b at the wall of the hole 21, only the bulge 411 is stretched into the socket 20, even if the utility model After docking with the plug many times, the limit structure will protect the raised part 411 of the elastic contact arm 41 from being overturned by the plug, that is, the raised part 411 will not be damaged by extrusion deformation, so as to ensure the service life of the utility model and the conductive signal Transmission stability.

The elastic contact arm 41 is formed by stamping inward from the side wall of the metal shell 4, and serves as a grounding terminal for connecting with the plug, so as to achieve the purpose of conducting and grounding the metal shell 4 and the plug. That is to say, the utility model does not need to add additional grounding terminals, which greatly simplifies the structure of the product, can also save the cost of making grounding terminals, and can also improve the assembly efficiency and production efficiency of the utility model, so that the utility model has a relatively high High market competitiveness.

An outwardly protruding rib 413 is also formed in the raised portion 411 , and the raised rib 413 can enhance the strength of the raised portion 411 . In addition, the limiting structure is a limiting piece 412 disposed at the end of the protruding portion 411 .

A plurality of pins 42 are formed on the lower end of the metal shell 4 , and the pins 42 protrude from the lower end surface of the insulating base 2 .

Embodiment two:

The structure of the second embodiment has the following differences from the structure of the first embodiment above: as shown in Figures 10-13, the terminal 3 is in the shape of a straight needle, and the terminal 3 includes a solid contact part 31 and a welding part 32, the welding portion 32 and the contact portion 31 are on the same straight line. The terminal 3 is fixed in the insulating base 2, wherein the contact portion 31 of the terminal 3 is exposed in the socket 20, and the welding portion 32 of the terminal 3 protrudes downward from the lower end surface of the insulating base 2 for use in contact with the insulating base 2. PCB board soldering.

The socket 20 is opened downward along the upper surface of the insulating base 2 , and the metal shell 4 covers the four peripheral surfaces of the insulating base 2 .

In addition to the above, other structures of the second embodiment are basically the same as those of the first embodiment above, and the technical effect achieved by the second embodiment is the same as that achieved by the second embodiment, and will not be repeated here. A repeat.

Of course, the above descriptions are only specific embodiments of the utility model, and are not intended to limit the implementation scope of the utility model. Should be included in the utility model patent scope.

Claims (10)

1. a socket connector, it comprises:

One insulating base, this insulating base offers for plug to insert socket;

Some terminals, it is all fixed in insulating base, and the contact site of this terminal is revealed in described socket;

One metal shell, its fixed packet is overlying on insulating base periphery;

It is characterized in that: described metal shell edge forming has two mutually symmetrical flexible actuator arm, this flexible actuator arm end is all formed with a protrusion, and this protrusion is revealed in described socket through insulating base outer wall.

2. a kind of socket connector according to claim 1, is characterized in that: described insulating base outer wall is provided with the position, hole passed for described protrusion, the through insulating base outer wall in this position, hole and socket.

3. a kind of socket connector according to claim 2, is characterized in that: described protrusion end is provided with a position limiting structure; Described insulating base arranges a stopper slot in the hole wall place of position, hole, and this position limiting structure falls into this stopper slot, and is formed spacing, protrudes in socket to cause protrusion.

4. a kind of socket connector according to claim 3, is characterized in that: described position limiting structure is the banking stop being arranged at protrusion end.

5. a kind of socket connector according to claim 1, is characterized in that: be also formed with outwardly convex tendon in described protrusion.

6. a kind of socket connector according to claim 1, is characterized in that: described flexible actuator arm is formed by the inside punching press of metal shell sidewall.

7. a kind of socket connector according to claim 1, is characterized in that: described metal shell lower end is formed with some pins.

8. a kind of socket connector according to claim 1, is characterized in that: described metal shell outer wall also forms riveting sheet for locating with insulating base or insert sheet for positioning.

9. a kind of socket connector according to claim 1-8 any one, is characterized in that: described terminal also comprises a weld part, this weld part and contact site perpendicular, make the rectangular shape of this terminal.

10. a kind of socket connector according to claim 1-8 any one, is characterized in that: described terminal also comprises a weld part, and this weld part and contact site on the same line, make this terminal be staight needle shape.