CN201623279U - Board connects USB connector - Google Patents

Abstract

The utility model relates to an electric connector technical field refers in particular to a board connects USB connector. The cable comprises an insulation main body, a rubber core, a first group of terminals, a second group of terminals, a protective plate and an iron shell. The insulating main body is provided with a tongue piece and an accommodating part, and the upper side and the lower side of the tongue piece are provided with terminal accommodating grooves; the rubber core is assembled in the accommodating part of the insulating main body, and a first group of terminals are integrated on the rubber core; the second group of terminals are assembled on the insulating main body, and contact parts of the second group of terminals are accommodated on the terminal accommodating grooves; the protective plate is embedded in the lower part of the rear end of the insulating main body, and the welding feet of the first group of terminals and the second group of terminals respectively penetrate through the terminal through holes in the protective plate to extend out; the iron shell wraps the insulating main body, the rubber core and the guard plate. The utility model adopts a combined structure, different terminals are grouped and arranged on the insulation main body and the rubber core, an ideal assembly structure is obtained, the structure is optimized, the volume is small, the assembly is convenient, and the service performance is improved; meanwhile, the difficulty of molding and manufacturing is reduced, materials are saved, manufacturing cost is reduced, and the development of the USB connector is promoted.

Description

A board-mounted USB connector

Technical field:

The utility model relates to the technical field of electrical connectors, in particular to a board-connected USB connector.

Background technique:

With the development of electronic technology, plug-and-pull USB connectors are also widely used. The USB connector is also upgraded from the traditional 2.0 type to 3.0 type. The number of terminals in the USB connector also increases accordingly, the function is improved, and the structure is improved. Relatively complex. The existing 3.0-type USB connector has the disadvantages of inconvenient processing and assembly, large body and high manufacturing cost.

In view of the lack of structure and inconvenience of the above-mentioned known 3.0-type USB connector, the applicant adheres to the spirit of research, innovation and excellence, and uses his professional vision and professional knowledge to develop a board-connected USB that is easy to process and assemble. Connector.

Utility model content:

The purpose of the utility model is to provide a board-to-board USB connector with optimized structure, adopting combined processing, which is beneficial to forming and manufacturing, has good structure, high practicability, and improves product cost performance.

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

A board-connected USB connector includes an insulating main body, a rubber core, a first group of terminals, a second group of terminals, a protective plate and an iron shell. The insulating body is provided with a tongue and a housing part, and the upper and lower sides of the tongue are provided with terminal accommodation slots; the rubber core is assembled in the housing part of the insulating body, and the first group of terminals is integrated on the rubber core; the second group of terminals is assembled in the insulating body On the top, the contact part of the second group of terminals is accommodated in the terminal slot; the guard plate is embedded in the lower part of the rear end of the insulating body, and the guard plate is provided with terminal perforations, through which the solder legs of the first group of terminals and the second group of terminals pass through respectively. The terminals protrude through the holes; the iron shell wraps the insulating main body, the rubber core and the guard plate; the iron shell is provided with protruding fixing feet.

The accommodating part is located on the upper top of the insulating main body, and raised shoulders are provided on the left and right sides of the front end of the accommodating part, and the shoulders are provided with assembly holes, and a raised stop block is provided at the rear end of the accommodating part; There are pins on the left and right sides of the front end, and the pins are correspondingly inserted into the assembly holes of the shoulders. The shoulders and the top stop block respectively limit the front and rear ends of the rubber core. There is also a tongue in the middle of the front end of the rubber core. the underside of the tongue.

The contact portion of the second group of terminals is elastic, and the front end of the contact portion is hooked on the hanging groove at the front end of the terminal container.

The 3.0-type board-to-USB connector provided by the utility model adopts a combined structure, and the insulating body, the rubber core, the guard plate and the shell are assembled together, and different terminals are grouped on the insulating body and the rubber core to obtain an ideal Assembled structure, optimized structure, small size, convenient assembly, improved performance; at the same time, it also reduces the difficulty of molding, saves materials and reduces production costs, and promotes the development of USB connectors.

Description of drawings:

Accompanying drawing 1, 2 are the utility model external structure schematic diagrams;

Accompanying drawing 3 is the exploded schematic view of the three-dimensional structure of the utility model;

Accompanying drawing 4 is the structural representation that the utility model is installed on the circuit board;

Accompanying drawing 5 is the internal structure diagram of Fig. 4.

Detailed ways:

In order to enable the review committee to have a further understanding of the purpose, features and functions of the present utility model, the preferred embodiments are described in detail in conjunction with the drawings as follows:

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, which are structural schematic diagrams of a preferred embodiment of the present utility model. The present utility model relates to a board-mounted USB connector. It includes an insulating body 10 , a rubber core 20 , a first group of terminals 30 , a second group of terminals 40 , a guard plate 50 and a casing 60 .

The insulating body 10 is provided with a tongue 11 and a receiving portion 12 , the upper and lower sides of the tongue 11 are provided with a terminal receiving groove 111 , and the terminal receiving groove 111 communicates with the terminal hole at the root of the tongue; the receiving portion 12 is located on the upper top of the insulating main body 10 , protruding shoulders 13 are provided on the left and right sides of the front end of the accommodating portion 12, and the shoulders 13 are provided with assembly holes 131, and a protruding stop block 14 is provided at the rear end of the accommodating portion 12;

The rubber core 20 is assembled in the accommodating portion 12 of the insulating body, and the first group of terminals 30 is integrated on the rubber core 20 . There are pins 21 on the left and right sides of the front end of the rubber core 20, and the pins 21 are correspondingly inserted into the assembly holes 131 of the shoulder 13. The shoulder 13 and the top stop block 14 respectively limit the front and rear ends of the rubber core 20, and there is also a tongue in the middle of the front end of the rubber core 20. 22. The contact portion 31 of the first group of terminals 30 is exposed on the lower side of the tongue 22 and is straight. The tongue 22 of the rubber core is located above the tongue 11 of the insulating body, and the two are parallel to each other.

The second group of terminals 40 is assembled on the insulating body 10, adopting an implantable combination, so that the rear end of the insulating body is implanted and passes through the corresponding terminal hole, and the contact portion 41 of the second group of terminals 40 is accommodated on the terminal container groove 111; The contact portion 41 of the two groups of terminals has elasticity, and the front end 411 of the contact portion 41 is hooked on the hanging groove 1111 at the front end of the terminal receiving groove 111 .

The guard plate 50 is embedded in the lower part of the rear end of the insulating body 10 and assembled from bottom to top. On the left and right outer walls of the guard plate 50, there are convex ribs 52. The ribs 52 are assembled closely with the corresponding inner walls of the insulating body 10. The guard plate 50 is also provided with an overlapping step 53 to match the slot assembly of the insulating body 10 to determine the upward assembly height of the guard plate 50; the guard plate 50 is provided with terminal perforations 51, the first group of terminals 30 and the second group of terminals 40 The solder legs 32, 42 protrude through the terminal through-holes 51, respectively.

The iron shell 60 wraps the insulating body 10, the rubber core 20 and the guard plate 50, and has the function of fixed connection, and obtains a plug interface of a specified size at the front end, which is convenient for plug-in connection; As shown in Figures 4 and 5, the fixing feet 61 are inserted into the circuit board 70 to fix the connector on the circuit board 70, and the welding feet 32, 42 correspond to the mounting holes on the circuit board and are fixed by welding. The first group of terminals 30 and the second group of terminals 40 are grouped on the insulating body and the rubber core to obtain multiple groups of plug-in use modes; in this embodiment, the first group of terminals 30 has 5PIN straight contact points, and the second group of terminals The group terminal 40 has a 4PIN elastic contact point, and the user can plug in different connectors according to the needs, which is widely used.

The utility model has the advantages of optimized structure, small volume, convenient assembly, reduced difficulty in forming and manufacturing, saving materials and reducing manufacturing costs, and promoting the development of the USB connector.

Claims (3)

1. A board-mounted USB connector, characterized in that: comprising: An insulating main body (10), on which a tongue (11) and a receiving portion (12) are provided, and terminal accommodation grooves (111) are provided on the upper and lower sides of the tongue (11); A rubber core (20), which is assembled in the accommodation part (12) of the insulating body, and a first group of terminals (30) is integrated on the rubber core (20); The second group of terminals (40) is assembled on the insulating main body (10), and the contact portion (41) of the second group of terminals (40) is accommodated in the terminal accommodation groove (111); A guard plate (50), embedded in the lower part of the rear end of the insulating body (10), the guard plate (50) is provided with terminal through-holes (51), the soldering of the first group of terminals (30) and the second group of terminals (40) The feet (32, 42) protrude through the terminal through holes (51) respectively; An iron shell (60) wraps the insulating body (10), the rubber core (20) and the guard plate (50); the iron shell (60) is provided with a fixed foot (61) protruding outward. 2. A board-mounted USB connector according to claim 1, characterized in that: the receiving part (12) is located on the upper top of the insulating body (10), and there are protrusions on the left and right sides of the front end of the receiving part (12) The shoulder (13) of the shoulder (13) is provided with an assembly hole (131), and a raised stopper (14) is provided at the rear end of the accommodating part (12); There are prongs (21), and the prongs (21) are correspondingly inserted into the assembly holes (131) of the shoulder (13), and the shoulder (13) and the top stop block (14) limit the front and rear ends of the rubber core (20) respectively. 20) A tongue (22) is provided in the middle of the front end, and the contact portion (31) of the first group of terminals (30) is exposed on the lower side of the tongue (22). 3. A board-mounted USB connector according to claim 1, characterized in that: the contact portion (41) of the second group of terminals (40) has elasticity, and the front end (411) of the contact portion (41) is hooked On the hanging groove (1111) at the front end of the terminal holding groove (111).

Images