CN217405829U

CN217405829U - Electrical connector

Info

Publication number: CN217405829U
Application number: CN202221002947.2U
Authority: CN
Inventors: 吴永发; 吴祝平; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-09
Anticipated expiration: 2032-04-28

Abstract

The utility model provides an electric connector, including insulator, accept terminal group in insulator and be fixed in a pair of metal hasp piece of terminal group both sides, insulator is equipped with a roof, a diapire, a pair of lateral wall and a butt joint chamber, metal hasp piece bury underground in the lateral wall, metal hasp piece is equipped with a basal portion, buckles the afterbody that extends and the hasp arm that extends from the front end edge of basal portion to the front level downwards from the rear end edge of basal portion downwards, the protruding income of hasp arm the butt joint intracavity. Compared with the prior art, the utility model discloses a set up metal hasp spare in the both sides of butt joint chamber to it is right to utilize the protruding butt joint intracavity of going into of metal hasp spare to realize the buckle location of butt joint end connector because metal hasp spare is the metal material, has good intensity and latched force, can strengthen the plug power between two connectors greatly, makes connection between them inseparabler, stable, reliable, difficult pine take off.

Description

Electrical connector

Technical Field

The utility model relates to an electric connection field especially relates to an electric connector.

Background

With the trend of miniaturization and lightness of consumer electronic products such as notebooks, tablet computers, mobile phones and the like, requirements on design and manufacturing processes of parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner, the internal space of the consumer electronic products becomes very narrow, so that the layout of electrical elements on a circuit board is very dense, and an electric connector is taken as the most important and most common electrical element on the circuit board, and bears important roles of signal transmission and power transmission to establish communication connection among different electrical elements. The electrical connector is one of the most important connectors, and often faces an application scenario of frequent plugging, especially for some electrical connectors with higher use frequency, such as USB connectors, HDMI high definition connectors, and Docking connectors, for such electrical connectors, the problems of reduced plugging force and loose plugging are very likely to occur under the condition of frequent plugging or improper use, thereby affecting the contact stability of the electrical connector.

In view of the above, it is necessary to provide a novel electrical connector to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector to improve the problem that plug-in power is little, the grafting is easily not hard up in prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: an electric connector comprises an insulating body, a terminal group accommodated in the insulating body and a pair of metal locking pieces fixed on two sides of the terminal group, wherein the insulating body is provided with a top wall, a bottom wall, a pair of side walls and a butt joint cavity, the metal locking pieces are buried in the side walls, each metal locking piece is provided with a base, a tail part extending from the rear end edge of the base in a downward bending mode and a locking arm extending from the front end edge of the base in a forward horizontal mode, and the locking arm stretches into the butt joint cavity in a protruding mode.

Furthermore, the terminal group is composed of only one row of conductive terminals and is installed on the bottom wall of the insulating body, the bottom wall is provided with a boss which extends upwards into the butt joint cavity and a pair of grooves which are positioned at two sides of the boss, and a plurality of slotted holes for containing the conductive terminals are arranged in the boss.

Furthermore, the groove is arranged between the side wall and the boss, the lock catch arm protrudes into the groove, the boss is provided with an upper surface facing the butt joint cavity and a front end surface facing the butt joint direction, and the slotted hole respectively penetrates through the upper surface of the boss and the front end surface of the boss upwards.

Furthermore, the lock catch arm is in a long strip sheet shape, and the tail end of the lock catch arm is provided with a lock catch convex part which protrudes into the groove.

Furthermore, the front side of the locking convex part is provided with an inclined edge.

Furthermore, the base of the metal locking part is in a thin plate shape and is clamped in the insulating body, and the tail part is inserted in a circuit board.

Further, the pair of side walls are integrally injection-molded with the top wall and the bottom wall, and the front ends of the side walls protrude forward beyond the top wall and the bottom wall.

Furthermore, an accommodating cavity is formed at the rear side of the insulating body, and the accommodating cavity is formed below the top wall and is positioned right above the terminal group.

Furthermore, the electric connector also comprises a positioning body arranged at the rear side of the insulating body, and the positioning body is inserted into the accommodating cavity from the back to the front and is abutted against the terminal group.

Furthermore, the positioning body is provided with a top surface facing the top wall and a bottom surface facing the terminal group, and the bottom surface is provided with a plurality of convex ribs which are in crimping connection with the terminal group.

Compared with the prior art, the utility model discloses a set up metal hasp spare in the both sides of butt joint chamber to it is right to utilize the protruding butt joint intracavity of going into of metal hasp spare to realize the buckle location of butt joint end connector because metal hasp spare is the metal material, has good intensity and latched force, can strengthen the plug power between two connectors greatly, makes connection between them inseparabler, stable, reliable, difficult pine take off.

Drawings

Fig. 1 is a perspective assembly view of the electrical connector of the present invention.

Fig. 2 is an exploded perspective view of the electrical connector of the present invention.

Fig. 3 is a perspective view of the electric connector after removing the metal shell.

Fig. 4 is a schematic view of the position of the terminal and the locking member of the electrical connector of the present invention.

Fig. 5 is a cross-sectional view of the electrical connector of the present invention along the horizontal direction.

Fig. 6 is a schematic view of an installation manner of the positioning body of the electrical connector of the present invention.

Fig. 7 is a rear side view of the electrical connector of the present invention.

Fig. 8 is a view showing the positioning body and the terminal of the electrical connector according to the present invention.

Fig. 9 is a partial bottom view of the positioning body of the electrical connector according to the present invention.

Detailed Description

Referring to fig. 1 to 9, the present invention provides an electrical connector 100, including: the terminal assembly comprises an insulating body 10, a terminal group 20 accommodated in the insulating body 10, metal locking pieces 30 fixed on two sides of the terminal group 20, a positioning body 40 installed on the rear side of the insulating body 10, and a metal shell 50 coated on the insulating body 10, wherein the terminal group 20 is used for being electrically connected with a pair of end connectors (not shown) in an inserting mode, the metal locking pieces 30 are used for locking the end connectors (not shown) to enhance the inserting and pulling force between the end connectors, the positioning body 40 is used for fixing and limiting the rear side of the terminal group 20, and the metal shell 50 is used for shielding and protecting. The structures of the above-described respective components are explained in detail below.

The insulation body 10 is provided with a top wall 11, a bottom wall 12 and a pair of side walls 13, and the top wall 11, the bottom wall 12 and the side walls 13 together enclose a docking cavity 14 for inserting the docking connector (not shown), wherein the bottom wall 12 is provided with a boss 15 protruding into the docking cavity 14 and grooves 16 located at two sides of the boss 15, and the boss 15 is provided with a plurality of slots 17 for embedding the terminal group 20, and the slots 17 respectively penetrate through the inner surface of the boss 15 and the front end surface of the boss 15 forward. The pair of side walls 13 are integrally injection-molded with the top wall 11 and the bottom wall 12, and the front ends of the side walls 13 protrude forwards beyond the top wall 11 and the bottom wall 12 to play a certain guiding role. The rear side of the insulating body 10 is formed with an accommodating cavity 18, the accommodating cavity 18 is formed below the top wall 11 and directly above the terminal set 20, as shown in fig. 6, and the accommodating cavity 18 is interposed between the top wall 11 and the terminal set 20.

The terminal group 20 is inserted into the insulating body 10 from the back to the front, and the terminal group 20 includes a plurality of conductive terminals 21 arranged at equal intervals, the conductive terminal 21 has a main body arm 22, a contact arm 23 extending from the main body arm 22 to the front into the docking cavity 14, and a mounting arm 24 extending from the main body arm 22 to the back out of the insulating body 10, wherein the contact arm 23 is accommodated in the slot 17 of the boss 15 and protrudes out of the upper surface of the boss 15 to protrude into the docking cavity 14 to realize electrical contact with a docking connector (not shown), and the mounting arm 24 is L-shaped and is connected to a circuit board 200 by welding to realize mounting and fixing with the circuit board 200.

The metal latch 30 is inserted into the pair of sidewalls 13 of the insulating housing 10, and the metal latch 30 has a base 31, a tail 32 formed by bending the rear end of the base 31 downward and vertically, and a strip latch arm 33 extending forward from the front end of the base 31, wherein two sides of the base 31 are provided with spurs 34 for interference fixation with the insulating housing 10, and the base 31 is flat and has a width greater than the width of the latch arm 33 and the width of the tail 32. The tail portion 32 extends vertically downward for insertion into the circuit board 200 for mounting and securing. The latch arm 33 is in the shape of a strip and a thin sheet, and the end of the latch arm is provided with a latch protrusion 35 protruding toward the docking cavity 14, the latch protrusion 35 protrudes into the groove 16 for latching the docking connector (not shown), it can be mentioned that, as shown in fig. 5, the metal latch 30 only has the latch protrusion 35 protruding into the groove 16, and the rest of the metal latch is embedded in the sidewall 13, and the front side of the latch protrusion 35 is further provided with an inclined edge 36 for guiding insertion.

The positioning body 40 is inserted into the accommodating cavity 18 from the back to the front, and is used for abutting against the terminal group 20, as shown in fig. 8, the positioning body 40 has a top surface 41, a bottom surface 42 and a pair of side surfaces 43, the top surface 41 is a flat surface, a plurality of ribs 44 are distributed on the bottom surface 42 at equal intervals, the ribs 44 protrude downwards to abut against the main body arm 22 of each conductive terminal 21 in the terminal group 20 and press the main body arm 22, so that the terminal set 20 can be more reliably and stably retained in the insulating body 10, and the problem of looseness caused by frequent plugging is prevented, it should be noted that, in the preferred embodiment of the present invention, the rib 44 extends forward from the back, and the height of the extending end is gradually reduced, so as to form an inclined surface 45, which plays a certain role of insertion guide, and makes the positioning body 40 more smoothly inserted into the accommodating cavity 18. In addition, the side 43 of the positioning body 40 is provided with a pair of protruding strips 46 protruding outward, the protruding strips 46 also extend from the back to the front, and the extending ends are also gradually thinned, and an inclined surface 45 is also formed for performing interference fit with the insulating body 10, so that the positioning body 40 can be held in the docking cavity 14.

To sum up, the utility model discloses a set up metal hasp piece 30 in the both sides of butt joint chamber 14 to it is right to utilize the protruding income butt joint intracavity 14 of metal hasp piece 30 to realize the buckle location of butt joint connector (not shown), because metal hasp piece 30 is the metal material, has good intensity and latched force, can strengthen the plug-pull force between two connectors greatly, makes relation of connection between them more stable, reliable, difficult pine take off.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides an electric connector, includes insulator, accepts terminal group in insulator and is fixed in a pair of metal hasp piece of terminal group both sides, insulator is equipped with a roof, a diapire, a pair of lateral wall and a butt joint chamber, metal hasp piece bury underground in the lateral wall, its characterized in that: the metal lock catch piece is provided with a base, a tail part bent downwards and extending out from the rear end edge of the base and a lock catch arm horizontally extending forwards from the front end edge of the base, and the lock catch arm protrudes into the butt joint cavity.

2. The electrical connector of claim 1, wherein: the terminal group is only composed of a row of conductive terminals and is arranged on the bottom wall of the insulating body, the bottom wall is provided with a boss which extends upwards into the butt joint cavity and a pair of grooves which are positioned at two sides of the boss, and a plurality of slotted holes for containing the conductive terminals are arranged in the boss.

3. The electrical connector of claim 2, wherein: the groove is arranged between the side wall and the boss, the lock catch arm protrudes into the groove, the boss is provided with an upper surface facing the butt joint cavity and a front end surface facing the butt joint direction, and the slotted holes respectively penetrate through the upper surface of the boss upwards and the front end surface of the boss forwards.

4. The electrical connector of claim 3, wherein: the lock catch arm is in a long strip sheet shape, and the tail end of the lock catch arm is provided with a lock catch convex part which protrudes into the groove.

5. The electrical connector of claim 4, wherein: the front side of the locking convex part is provided with an inclined edge.

6. The electrical connector of claim 5, wherein: the base of the metal locking fastener is in a thin plate shape and is clamped in the insulating body, and the tail is inserted in a circuit board.

7. The electrical connector of claim 1, wherein: the pair of side walls, the top wall and the bottom wall are integrally formed in an injection molding mode, and the front ends of the side walls protrude forwards to exceed the top wall and the bottom wall.

8. The electrical connector of claim 7, wherein: the rear side of the insulating body is provided with an accommodating cavity, and the accommodating cavity is formed below the top wall and is positioned right above the terminal group.

9. The electrical connector of claim 8, wherein: the electric connector also comprises a positioning body arranged at the rear side of the insulating body, and the positioning body is inserted into the accommodating cavity from back to front and is abutted against the terminal group.

10. The electrical connector of claim 9, wherein: the positioning body is provided with a top surface facing the top wall and a bottom surface facing the terminal group, and the bottom surface is provided with a plurality of convex ribs which are crimped on the terminal group.