CN204597047U - A kind of pin connector based on TYPE-C - Google Patents

Abstract

The utility model discloses a plug connector based on TYPE-C, which comprises a metal shielding shell, an insulating body, a clasp, an upper terminal module and a lower terminal module, and 12 pairs of terminals are arranged on the front and back of the insulating body The groove is used to accommodate the conductive terminals of the upper terminal module and the lower terminal module, and two pairs of positioning holes are provided above the terminal groove; the claw includes a claw main body and a claw arm, and the claw main body is There are mounting holes corresponding to the positioning holes; the upper terminal module and the lower terminal module are respectively provided with positioning columns corresponding to the positioning holes, the upper terminal module is arranged on the front of the insulating body, and the lower terminal module is arranged On the opposite side of the insulating body, the upper terminal module, the insulating body, the buckle claw and the lower terminal module are fastened and connected through the matching installation of the positioning column, the positioning hole and the mounting hole. Adoption of the utility model is beneficial to improving the stability and reliability of the product, reducing the number of assembled parts in the assembly section, and optimizing the product structure.

Description

A plug connector based on TYPE-C

technical field

The utility model relates to an electric connector, in particular to a plug connector based on TYPE-C.

Background technique

With the rapid development of science and technology in the electronics industry, electronic products are becoming thinner and thinner, and the size requirements for electronic components are getting smaller and smaller. The connector industry is the first to become one of the miniaturized product structures.

The USB Type C interface (including male and female ports) and data cables are not compatible with any existing types, but the official will design an additional transfer device to be compatible with existing devices. The biggest feature of USB Type-C is that although the size of the opening is as small as the standard Micro-B connector for Android smartphones and tablet computers, it supports a maximum data transmission speed of 40G bit/sec. The opening size of Type-C jack is about 8.3mm×2.5mm (Micro-B is about 7.5mm×2.5mm). It can withstand 10,000 insertions and withdrawals reaching the level of connector products. In addition, Type-C also supports the "USB Power Delivery Specification (USB PD)" which improves the power supply capability compared to the past. USB PD has five levels of specifications: 10W, 18W, 36W, 60W, and 100W, according to the available power. The Type-C connector supports 100W (20V, 5A) power supply.

Generally, Type-C plug connectors are designed with plastic pin-type terminals. However, because the new generation of USB Type C connectors is smaller in size and requires higher mechanical performance, if the original plug-in connector on the insulating body is used If the terminal structure is set in the needle mode, it is easy to produce defective products such as terminal deformation or displacement, which is difficult to manufacture and cannot guarantee product quality.

Utility model content

The technical problem to be solved by the utility model is to provide a plug connector based on TYPE-C, which is conducive to improving the stability and reliability of the product, reducing the number of assembly parts in the assembly section, and optimizing the product structure.

In order to solve the above technical problems, the utility model provides a plug connector based on TYPE-C, including a metal shielding shell, an insulating body, a claw, an upper terminal module and a lower terminal module, the metal shielding shell Wrapped outside the insulating body, there are 12 pairs of terminal slots on the front and back of the insulating body to accommodate the conductive terminals of the upper terminal module and the lower terminal module, and two pairs of positioning holes are provided above the terminal slots ;

The claw includes a claw main body and a pair of claw arms fastened on both side walls of the insulating body, and the claw main body is provided with mounting holes corresponding to the positioning holes of the insulating body;

The upper terminal module and the lower terminal module are respectively provided with positioning columns corresponding to the positioning holes, the upper terminal module is arranged on the front side of the insulating body, and the lower terminal module is arranged on the reverse side of the insulating body, through the positioning column and The matching installation of the positioning hole and the installation hole makes the upper terminal module, the insulating body, the buckle claw and the lower terminal module fasten and connect.

As an improvement of the above scheme, the insulating body is provided with a positioning hole a, a positioning hole b, a positioning hole c and a positioning hole d in sequence from left to right, the positioning hole a and the positioning hole d are square holes, and the positioning hole b and positioning hole c are circular holes.

As an improvement of the above solution, the upper terminal module includes an upper insulating carrier and an upper row of conductive terminals integrally formed with the upper insulating carrier, and the lower terminal module includes a lower insulating carrier and a lower row of conductive terminals integrally formed with the lower insulating carrier. terminals.

As an improvement of the above solution, the upper insulating carrier is provided with a positioning post A and a positioning post C corresponding to the positioning hole a and the positioning hole c respectively;

The positioning column A is a square column, and the positioning column C is a cylinder.

As an improvement of the above solution, the lower insulating carrier is provided with a positioning post B and a positioning post D corresponding to the positioning hole b and the positioning hole d respectively;

The positioning column B is a cylinder, and the positioning column D is a square column.

As an improvement of the above solution, each conductive terminal in the upper row of conductive terminals has an upper contact portion protruding downward into the insulating body, and the upper contact portion is used for conductive connection with the butt terminal of the butt connector.

As an improvement of the above solution, each conductive terminal in the upper row of conductive terminals has an upper mounting portion extending backward beyond the insulating body, and the upper mounting portion is used for surface soldering to an external circuit board.

As an improvement of the above solution, each conductive terminal in the lower row of conductive terminals has a lower contact portion protruding upward into the insulating body, and the lower contact portion is used for conductive connection with the butt terminal of the butt connector.

As an improvement to the above solution, each conductive terminal in the lower row of conductive terminals has a lower mounting portion extending backward beyond the insulating body, and the lower mounting portion is used for surface soldering to an external circuit board.

As an improvement to the above solution, the front end of the insulating body has an elliptical docking port, and the docking port is used for insertion and fitting of a docking connector.

Implementing the utility model has the following beneficial effects:

The utility model changes the assembly method of inserting the conductive terminal into the insulating body of the existing TYPE-C plug connector. Instead, the upper terminal module and the lower terminal module are made by firstly making the conductive terminal and the insulating carrier through I/M molding. , and then installed by fastening the positioning columns of the upper terminal module and the lower terminal module with the positioning holes of the insulating body and the mounting holes of the buckle claws, it overcomes the technical problem that the original assembly method cannot adapt to miniaturized products, and at the same time reduces assembly The number of assembly parts in the segment and the optimization of the product structure are conducive to improving the stability and reliability of the product.

Description of drawings

Fig. 1 is a schematic structural view of a plug connector based on TYPE-C of the present invention;

Figure 2 is an exploded view of Figure 1;

Fig. 3 is a front view of an insulating body of a plug connector based on TYPE-C of the present invention;

Fig. 4 is a schematic structural view of an upper terminal module of a plug connector based on TYPE-C of the present invention;

Fig. 5 is a schematic structural view of a lower terminal module of a plug connector based on TYPE-C of the present invention;

Fig. 6 is another structural schematic diagram of a plug connector based on TYPE-C of the present invention;

Fig. 7 is a partial exploded view of a plug connector based on TYPE-C of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

1-2, the utility model is a plug connector 100 based on TYPE-C, which includes a metal shielding shell 1, an insulating body 2, a claw 3, an upper terminal module 4 and a lower terminal module 5. The metal shielding shell 1 is covered outside the insulating body 2, and the front and back of the insulating body 2 are provided with 12 pairs of terminal grooves 21 for accommodating the conductive terminals of the upper terminal module 4 and the lower terminal module 5, and the Two pairs of positioning holes are provided above the terminal groove 21;

The claw 3 includes a claw main body 31 and a pair of claw arms 32 fastened on both side walls of the insulating body 2, and the claw main body 31 is provided with a mounting hole 311 corresponding to the positioning hole of the insulating body 2;

The upper terminal module 4 and the lower terminal module 5 are respectively provided with positioning columns corresponding to the positioning holes, the upper terminal module 4 is arranged on the front of the insulating body 2, and the upper row of conductive terminals 42 is placed on the front of the insulating body 2 The lower terminal module 5 is arranged on the opposite side of the insulating body 2, and the lower row of conductive terminals 52 is placed in the terminal slot 21 on the opposite side of the insulating body 2; through the matching installation of the positioning column, the positioning hole and the mounting hole 311, the The upper terminal module 4 , the insulating body 2 , the buckle claw 3 and the lower terminal module 5 are buckled and connected.

The assembly method of the conductive terminal in the prior art is to insert the conductive terminal into the insulating body 2 by inserting pins. However, due to the small size of the product, due to the small mechanical strength of the terminal, it is easy to cause deformation or displacement of the terminal when inserted into the insulating body 2, making it difficult to manufacture. Large, product quality cannot be guaranteed. In order to solve the above problems, in the plug connector 100 based on TYPE-C described in the utility model, the upper row of conductive terminals 42 and the upper insulating carrier 41 are formed into an upper terminal mold by I/M (Insert Molding, integrated molding) molding method. In group 4, the lower row of conductive terminals 52 and the lower insulating carrier 51 are formed into the lower terminal module 5 by I/M molding. Then, the positioning posts of the upper terminal module 4 and the lower terminal module 5 are fitted with the positioning holes of the insulating body 2 and the mounting holes 311 of the buckle claw 3, thereby simplifying the production process, reducing the number of assembled parts in the assembly section, and optimizing the product structure , which is conducive to improving the stability and reliability of the product, and can be adapted to the assembly and production of the miniaturized product.

Specifically, as shown in Figure 3, since the TYPE-C based plug connector 100 of the present invention can be used for USB3. The conductive terminals of module 4 and lower terminal module 5 can accommodate up to 12 pairs of terminals, meeting the requirements of USB3.1 terminal settings.

Preferably, the insulating body 2 is sequentially provided with a positioning hole a22, a positioning hole b23, a positioning hole c24 and a positioning hole d25 from left to right, the positioning hole a22 and the positioning hole d25 are square holes, and the positioning holes b23 and The positioning hole c24 is a circular hole.

The claw arm 32 of the claw 3 can be inserted into the depressions on the two side walls of the insulating body 2, and the claw main body 31 is inserted into the insulating body 2 so that the mounting hole 311 of the claw main body 31 is compatible with the positioning hole b23 and the insulating body 2. The positioning holes c24 are opposite.

4-5, the insulating carrier 41 on the upper terminal module 4 is provided with a positioning post A411 and a positioning post C412 respectively corresponding to the positioning hole a22 and the positioning hole c24; the positioning post A411 is a square post, and the positioning post A411 is a square post. The positioning column C412 is a cylinder. The lower insulating carrier 51 is provided with a positioning post B511 and a positioning post D512 corresponding to the positioning hole b23 and the positioning hole d25 respectively, the positioning post B511 is a cylinder, and the positioning post D512 is a square post. Thus, the positioning column A411 of the upper terminal module 4 is inserted in cooperation with the positioning hole a22 of the insulating body 2, the positioning column C412 of the upper terminal module 4 is inserted in cooperation with the positioning hole c24 of the insulating body 2, and the positioning of the lower terminal module 5 The column B511 is inserted into the positioning hole b23 of the insulating body 2, and the positioning column D512 of the lower terminal module 5 is inserted into the positioning hole d25 of the insulating body 2, so that the upper terminal module 4, the insulating body 2, the claw 3 and the lower terminal module 4 are realized. Snap-fit connection of the terminal module 5.

It should be noted that, as mentioned above, the positioning method of combining a pair of square columns with a pair of square holes and a pair of cylinders with a pair of round holes has high positioning accuracy and strong reliability.

As shown in FIG. 6 , each conductive terminal in the upper row of conductive terminals 42 has an upper contact portion 421 protruding downward into the insulating body 2, and each conductive terminal in the lower row of conductive terminals 52 has It has a lower contact portion 521 protruding upward into the insulating body 2. When the upper terminal module 4 and the lower terminal module 5 are engaged with the insulating body 2, the upper contact portion 421 and the lower contact portion 521 protrude into the insulating body 2 Inside, when connected with the butt connector, the upper row of conductive terminals 42 and the lower row of conductive terminals 52 are conductively connected with the butt connector of the butt connector.

As shown in FIG. 7 , each conductive terminal in the upper row of conductive terminals 42 of the present invention has an upper mounting portion 422 extending backward beyond the insulating body 2 , and the upper mounting portion 422 is used for surface welding to an external circuit Plate 200. Each conductive terminal in the lower row of conductive terminals 52 has a lower mounting portion 522 extending backward beyond the insulating housing 2 , and the lower mounting portion 522 is used for surface soldering to the external circuit board 200 .

It should be noted that the external circuit board 200 is disposed between the upper row of conductive terminals 42 and the lower row of conductive terminals 52 , and adopts surface welding (SMT board bonding), which can improve welding efficiency.

Preferably, the front end of the insulating body 2 has an oval docking port, which is used for the insertion and mating of the docking connector, which is different from the conventional trapezoidal port. Insert the "positive and negative insertion" function.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (10)

1. A plug connector based on TYPE-C, characterized in that it includes a metal shielding shell, an insulating body, a claw, an upper terminal module and a lower terminal module, and the metal shielding shell is covered on the insulating body In addition, 12 pairs of terminal slots are provided on the front and back of the insulating body to accommodate the conductive terminals of the upper terminal module and the lower terminal module, and two pairs of positioning holes are provided above the terminal slots; The claw includes a claw main body and a pair of claw arms fastened on both side walls of the insulating body, and the claw main body is provided with mounting holes corresponding to the positioning holes of the insulating body; The upper terminal module and the lower terminal module are respectively provided with positioning columns corresponding to the positioning holes, the upper terminal module is arranged on the front side of the insulating body, and the lower terminal module is arranged on the reverse side of the insulating body, through the positioning column and The matching installation of the positioning hole and the installation hole makes the upper terminal module, the insulating body, the buckle claw and the lower terminal module fasten and connect. 2. The plug connector based on TYPE-C according to claim 1, wherein the insulating body is provided with a positioning hole a, a positioning hole b, a positioning hole c and a positioning hole d sequentially from left to right, the The positioning hole a and the positioning hole d are square holes, and the positioning hole b and c are circular holes. 3. The plug connector based on TYPE-C according to claim 2, wherein the upper terminal module includes an upper insulating carrier and an upper row of conductive terminals integrally formed with the upper insulating carrier, and the lower terminal module It includes a lower insulating carrier and a lower row of conductive terminals integrally formed with the lower insulating carrier. 4. The plug connector based on TYPE-C according to claim 3, wherein the upper insulating carrier is provided with a positioning column A and a positioning column C corresponding to the positioning hole a and the positioning hole c respectively; The positioning column A is a square column, and the positioning column C is a cylinder. 5. The plug connector based on TYPE-C according to claim 3, wherein the lower insulating carrier is provided with a positioning post B and a positioning post D corresponding to the positioning hole b and the positioning hole d respectively; The positioning column B is a cylinder, and the positioning column D is a square column. 6. The plug connector based on TYPE-C according to claim 3, characterized in that, each conductive terminal in the upper row of conductive terminals has an upper contact portion protruding downward into the insulating body, said The upper contact portion is used for conductive connection with the butt terminal of the butt connector. 7. The plug connector based on TYPE-C according to claim 6, wherein each conductive terminal in the upper row of conductive terminals has an upper mounting portion extending backward beyond the insulating body, and the upper mounting portion part for surface soldering to an external circuit board. 8. The plug connector based on TYPE-C according to claim 3, wherein each conductive terminal in the lower row of conductive terminals has a lower contact portion protruding upward into the insulating body, and the lower row The contact portion is used for conductive connection with the butt terminal of the butt connector. 9. The plug connector based on TYPE-C according to claim 8, characterized in that, each conductive terminal in the lower row of conductive terminals has a lower mounting portion extending backward beyond the insulating body, and the lower mounting portion part for surface soldering to an external circuit board. 10 . The TYPE-C based plug connector according to claim 1 , wherein the front end of the insulating body has an elliptical docking port, and the docking port is used for insertion and mating of the docking connector. 11 .