CN203103609U - Welding structure of an electrical connector - Google Patents

Abstract

The utility model belongs to the technical field of the electric connector technique and specifically relates to a welded structure of electric connector is related to, including the shell of insulating main part and parcel insulating main part, the group is equipped with a plurality of terminals in the insulating main part, and the welding foot of terminal extends towards insulating main part rear end, and the front end of insulating main part then is formed with the tongue piece that the contact site that supplies the terminal just exposes, and the rear end of shell is equipped with double-layered groove, and the circuit board corresponds double-layered groove and inserts the equipment, and the welding foot of terminal is flat-pressed just on the welding site of circuit board, and the welding foot links firmly with the circuit board through the welding. The utility model discloses a double-layered groove of shell rear end plays direction equipment and stable connection to the mutual clamping action in the groove that cuts open of the inboard bearing guide slot of the insulating main part of cooperation and circuit board makes firm in connection between circuit board and the electric connector, and structural good, and straight, makes the welding foot of terminal can fine concora crush on the welding position of circuit board, and the contact is inseparable, does benefit to the welding, also effectively promotes the signal transmission performance after the welding, promotes the product usability.

Description

Welding structure of an electrical connector

technical field

The utility model relates to the technical field of electrical connectors, in particular to an electrical connector for welding plates.

Background technique

The electrical connector has the function of plug and pull, so it is widely used at present. With the development of electronic technology, electrical connectors are developing in the direction of miniaturization and multi-function, so that the number of terminals accommodated on the insulating body of the electrical connector is large, and the distance between the terminals is relatively small. However, the difficulty increases, and short-circuiting is easy to occur; then, the circuit board transfer method is used to realize the terminal soldering connection, and in the prior art, the relative positioning or fixing between the circuit board and the electrical connector used for transfer There are defects in the structure of the circuit board and the terminal, which not only leads to poor welding firmness between the circuit board and the terminal, and is prone to breakage, but also affects the stability of signal transmission.

Contents of the invention

The purpose of the utility model is to overcome the defects of the prior art and provide a welding structure of the electrical connector which has a simple structure, improves the connection between the circuit board and the electrical connector, and enhances the welding firmness of the terminal and the circuit board.

In order to achieve the above object, the utility model adopts the following technical solutions:

A welding structure of an electrical connector, comprising an insulating body and a shell covering the insulating body, a plurality of terminals are arranged on the insulating body, the welding feet of the terminals extend toward the rear end of the insulating body, and the front end of the insulating body is formed with a hole for the terminal The exposed tongue is located in the contact position, and the rear end of the shell is provided with a clamping groove, and a circuit board is inserted into the corresponding clamping groove for assembly, and the soldering feet of the terminals are just flatly pressed on the soldering position of the circuit board, and the soldering feet are welded Connected to the circuit board.

The above solution is further as follows: the clamping grooves of the housing are designed in parallel to the left and right, the circuit board is inserted and assembled in a flat position, and a bearing guide groove is provided on the inner side of the rear end of the insulating body; the end of the circuit board corresponding to the clamping groove is provided with For the split slot intersecting with the clamping slot, the inner side of the split slot is inserted into and assembled to the bearing guide slot, and the outer side of the split slot is clamped on the outer surface of the shell.

The above scheme is further as follows: the insulating body is provided with two parallel tongues up and down, the upper tongue is provided with a group of terminals and the upper tongue is assembled on the insulating body through movable assembly; the lower tongue is integrated with the insulating body Forming, two sets of terminals are set on the lower tongue, and the welding feet of the two sets of terminals on the lower tongue form a clamp distribution and are flatly pressed on the corresponding welding positions on the upper and lower sides of the circuit board to achieve clamping and connection of the circuit board.

The clamping groove of the shell is constructed on the fishtail protruding from the rear end of the shell, and the fishtail is welded to the ground of the circuit board.

The utility model is provided with a clamping groove at the rear end of the shell, and the circuit board is clamped by the clamping groove, which plays a guiding role in assembly and stable connection, and cooperates with the mutual clamping effect of the bearing guide groove on the inner side of the insulating body and the cutting groove of the circuit board, The connection between the circuit board and the electrical connector is firm, the structure is good, and it is straight, so that the soldering feet of the terminal can be well pressed on the soldering position of the circuit board, and the contact is tight, which is conducive to soldering and effectively improves the soldering performance after soldering. Signal transmission performance improves product usability.

Description of drawings:

Accompanying drawing 1 is the structural representation of one embodiment of the utility model;

Accompanying drawing 2 is the structural exploded schematic diagram of the embodiment of Fig. 1;

Accompanying drawing 3 is the schematic diagram of the plugboard of the embodiment of Fig. 1;

Accompanying drawing 4 is the structural sectional view of Fig. 3.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described:

Referring to Figures 1 to 4, the utility model relates to a welding structure of an electrical connector. The figure shows a USB3.0 electrical connector, but this does not limit the scope of application of the utility model. In the embodiment shown in Figures 1 to 4, an insulating body 1 and a casing 2 covering the insulating body 1 are included. Several terminals 3 are arranged on the insulating body 1, and the welding feet 31 of the terminals 3 extend toward the rear end of the insulating body 1. The front end of the insulating body 1 is formed with a tongue for the contact portion 32 of the terminal 3 to be placed and exposed, so as to realize external electrical insertion. The rear end of the housing 2 is provided with a clamping groove 21, and a circuit board 5 is inserted and assembled corresponding to the clamping groove 21, and the soldering pin 31 of the terminal 3 is just flatly pressed on the soldering position of the circuit board 5, and the soldering pin 31 is connected with the circuit board by welding. Plate 5 is fixedly connected. As shown in Figures 2 and 3, the clamping grooves 21 of the housing 2 are designed in pairs and parallel to the left and right, and the circuit board 5 is arranged for lying and inserting, and a bearing guide groove 11 is provided on the inner side of the rear end of the insulating body 1; The end of the plate 5 corresponding to the clamping groove 21 is provided with a sectional groove 51 intersecting with the clamping groove 21, the inner side of the sectional groove 51 is inserted into and assembled corresponding to the bearing guide groove 11, and the outer side of the sectional groove 51 is clamped to the shell 2 on the outer side. The bearing guide groove 11 supports the circuit board 5, and at the same time limits the upper and lower positions of the circuit board 5. The clamping groove 21 clamps and supports the circuit board 5, and the split groove 51 clamps the insulating main body 1 and the shell 2. The above structure Realize the interaction between the insulating body 1, the shell 2 and the circuit board 5, so that the connection between the circuit board 5 and the electrical connector is firm, the structure is good, and straight, so that the soldering feet of the terminals can be well pressed on the circuit board On the welding position of the board, the contact is tight, which is conducive to welding, and also effectively improves the signal transmission performance after welding, and improves the usability of the product.

As shown in FIG. 2 , the insulating main body 1 is provided with two parallel tongues 41 and 42 up and down, so as to obtain the function of a double-layer socket, which is convenient to use. The upper tongue 41 is provided with a set of terminals 3 and the upper tongue 41 is assembled on the insulating body 1 through a movable assembly; the lower tongue 42 is integrally formed with the insulating body 1, and two groups are arranged on the lower tongue 42 The terminals 3 and the soldering feet 31 of the two groups of terminals 3 on the lower tongue 42 form a clamping distribution and are flatly pressed on the corresponding soldering positions on the upper and lower sides of the circuit board 5 to clamp and connect the circuit board 5 . The welding feet 31 of the two groups of terminals 3 on the lower floor also have a clamping effect on the circuit board 5, and the welding is firm.

As shown in Figures 1, 2, 3 and 4, the clamping groove 21 of the housing 2 is constructed on the fishtail 22 protruding from the rear end of the housing 2, the fishtail 22 is grounded and welded to the circuit board 5, and the lifting circuit board 5 is installed and fixed. At the same time, it meets the performance requirements, has a simple structure and is easy to process.

The utility model improves the connection between the circuit board and the electrical connector through the effective structural design, and enhances the soldering firmness of the terminal and the circuit board. Of course, the above description of the utility model has been described in detail in conjunction with the embodiment, only to illustrate the technology of the utility model Design and features, its purpose is to let people familiar with this technology understand the content of the utility model and implement it, and can not limit the protection scope of the utility model, any equivalent changes made according to the spirit of the utility model or Modifications should all be covered within the protection scope of the present utility model.

Claims (4)

1. the Welding Structure of an electric connector, include the shell (2) of insulating body (1) and wrap insulate main body (1), insulating body (1) is gone up group and is provided with plurality of terminals (3), the welding foot (31) of terminal (3) extends towards insulating body (1) rear end, the front end of insulating body (1) then is formed with fall position and reveal the tongue piece put of contact site (32) for terminal (3), it is characterized in that: the rear end of described shell (2) is provided with clip slot (21), the corresponding clip slot of one circuit board (5) (21) inserts assembling, and the welding foot (31) of terminal (3) just concora crush is on the welding position of circuit board (5), welding foot (31) is connected by welding and circuit board (5).

2. the Welding Structure of a kind of electric connector according to claim 1, it is characterized in that: the clip slot (21) of described shell (2) is the parallel design in the left and right sides, circuit board (5) is established for the insertion group that lies low, and is provided with carrying guide groove (11) in the rear inside of insulating body (1); The end position of the corresponding clip slot of described circuit board (5) (21) is provided with the profile groove (51) that intersects with clip slot (21), the inner side edge of profile groove (51) corresponding carrying guide groove (11) inserts assembling, and the outer side edges of profile groove (51) is held on the lateral surface of shell (2).

3. the Welding Structure of a kind of electric connector according to claim 1 and 2, it is characterized in that: described insulating body (1) is provided with parallel two tongue pieces (41,42) up and down, and upper strata tongue piece (41) group is provided with one group of terminal (3) and this upper strata tongue piece (41) is set on the insulating body (1) by movable assembling mode group; Lower floor's tongue piece (42) is one-body molded with insulating body (1), go up group at lower floor's tongue piece (42) and be provided with two groups of terminals (3), the welding foot (31) of the two groups of terminals (3) on lower floor's tongue piece (42) forms that folder mouthful distributes and concora crush up and down on the corresponding welding position of side, is reached the circuit board that is clamped and connected (5) at circuit board (5).

4. the Welding Structure of a kind of electric connector according to claim 1 and 2 is characterized in that: the clip slot (21) of described shell (2) is configured on the fish tail (22) protruding behind shell (2) rear end, fish tail (22) and the welding of circuit board (5) ground connection.

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