CN201440548U - Dual-protocol miniature plug connector - Google Patents

Abstract

A dual protocol miniature plug connector comprising: an insulating body having a base, a first tongue and a second tongue protruding forward on the base; a first terminal group arranged on the insulating body and provided with a plurality of first terminals which penetrate through the base and are arranged on the first tongue piece; a second terminal set having a plurality of second terminals penetrating the base and disposed on the second tongue piece; and a shielding shell made of metal and used for shielding the insulating body, the first terminal group and the second terminal group, wherein a Mini-B type plugging part is formed on the shielding shell for connecting the same type of socket connectors. The miniature plug connector can simultaneously adapt to two transmission protocols and can be compatible with a Mini-B type connector.

Description

Dual Protocol Micro Plug Connector

technical field

The utility model relates to a connector, especially a dual-protocol miniature plug connector, which can simultaneously support the transmission protocols of Universal Serial Bus USB2.0 and USB3.0, and has a Mini-B type socket for Plug into the Mini-B type USB2.0 or USB3.0 socket connector.

Background technique

USB2.0 connectors have been widely used in various electronic devices, and can be used for data transmission by different electronic devices.

Due to the continuous innovation of electronic devices, the data transmission capacity of the current mainstream electronic devices has far exceeded the upper limit of the USB2.0 transmission protocol. Therefore, the USB Association has begun to formulate the USB3. Climbing data transfer speeds.

However, although the current standard USB3.0 plug and socket connectors formulated by the association can be backward compatible with standard USB2.0 connectors (that is, A-type USB2.0 connectors), however, they cannot be used for Mini-B-type connectors. The USB2.0 plug or socket connector is plugged in, while the Mini-B connector is the basic miniature connection that is often equipped on most portable electronic devices (mobile phones, satellite navigators, digital cameras, etc.) device specifications. The aforementioned problem that the micro-USB2.0 connector cannot be backward compatible greatly reduces the applicability of the standard USB3.0 connector.

In view of the problem that the current USB3.0 connector cannot support the micro-USB2.0 connector, which reduces its applicability, the author improves its shortcomings and defects, and then creates a dual-protocol micro-plug connector.

Contents of the invention

The main purpose of the utility model is to provide a dual-protocol miniature plug connector, which can support USB2.0 and USB3.0 transmission protocols at the same time, and has a Mini-B type socket to insert Mini-B type USB2. 0 or USB3.0 socket connector.

To achieve the above purpose, the dual-protocol micro plug connector includes:

an insulating body, which has a base on which a first tongue piece and a second tongue piece protrude forward;

A first terminal group, which is arranged on the insulating body, and has a plurality of first terminals that pass through the base and are arranged on the first tongue;

a second terminal group, which has a plurality of second terminals penetrating through the base and disposed on the second tongue; and

A shielding shell, made of metal, shields the insulating body, the first terminal group and the second terminal group, and a Mini-B type socket is formed on the shielding shell to connect with the same type of socket connector.

Through the above technical means, the first terminal group and the second terminal group can respectively provide USB2.0 and USB3.0 transmission protocols. In addition, the Mini-B type socket provided by the shielding shell can be inserted into the metric Mini-B type USB2 .0 socket connector for USB2.0 transmission, and can also be plugged into a special Mini-B USB3.0 socket connector for USB3.0 transmission. Therefore, the high dual-protocol miniature plug connector of the present invention has extremely wide applicability.

The aforementioned dual-protocol micro plug connector further includes a circuit board, the circuit board is disposed in the base of the insulating body, and includes a plurality of insulating pads corresponding to the first terminals and corresponding to the second terminals.

The aforementioned dual-protocol miniature plug connector further includes an insulating sleeve, the insulating sleeve wraps the shielding shell and exposes the Mini-B type plug-in portion of the shielding shell to the front end of the insulating sleeve.

The aforementioned first terminal is located on the lower surface of the first tongue, and the second terminal is located on the upper surface of the second tongue opposite to the first terminal.

The aforementioned first terminal is a Mini-B type USB2.0 terminal.

The aforementioned second terminal is a Mini-B type USB3.0 terminal.

The aforementioned Mini-B type socket part is divided into an upper half and a lower half according to width, and the width of the upper half is greater than that of the lower half.

Compared with the prior art, the utility model has the beneficial effect that: it can support the transmission protocols of Universal Serial Bus USB2.0 and USB3.0 at the same time, and has a Mini-B type socket for inserting Mini-B type USB2.0 or USB3.0 socket connector, with a wide range of applications.

Description of drawings

Fig. 1 is a three-dimensional appearance diagram of the utility model;

Fig. 2 is another perspective view of the utility model;

Fig. 3 is a three-dimensional appearance view of the utility model with the shielding shell removed;

Fig. 4 is another three-dimensional appearance view of the utility model with the shielding shell removed;

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

Fig. 6 is a front view of the utility model;

Fig. 7 is a side sectional view of the utility model.

Description of reference signs: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10a-number; 10-insulating body 11-base; 13-first tongue; 15-second tongue; 30-first terminal group; 31-first terminal; 50-second terminal group; 51-second terminal; 60-circuit board; 61-insulation pad; 70-shielding shell; ; 71-upper half-shell; 72-lower half-shell; 80-insulation sleeve.

Detailed ways

The above-mentioned and other technical features and advantages of the present utility model will be described in more detail below in conjunction with the accompanying drawings.

Please refer to FIG. 1 to FIG. 5 , the dual-protocol miniature plug connector of the present invention is exclusively used for Mini-B type socket connectors and not suitable for A-type, B-type or other shapes of USB socket connectors. In addition, the utility model can simultaneously support USB2.0 (under the framework based on the Mini-B USB connector) and USB3.0 transmission protocol (under the framework based on the Mini-B USB connector), and can also be installed on a transmission line. The other end of the transmission line can be connected to another electronic device or another connector, so as to perform data transmission between the two electronic devices.

The utility model dual-protocol miniature plug connector includes: an insulating body 10 , a first terminal group 30 , a second terminal group 50 , a circuit board 60 , a shielding shell 70 and an insulating sleeve 80 .

The insulating body 10 has a base 11 on which a first tongue 13 and a second tongue 15 protrude forward. A gap can be formed between the first tongue piece 13 and the second tongue piece 15 so that the tongue piece in the corresponding socket connector can extend into the gap.

The first terminal group 30 is disposed on the insulating body 10 and has a plurality of first terminals 31 penetrating through the base 11 and disposed on the first tongue 13 . The plurality of first terminals 31 can be Mini-B type USB2.0 terminals, and can be disposed on the lower surface of the first tongue 13 .

The second terminal group 50 has a plurality of second terminals 51 penetrating through the base 11 and disposed on the second tongue 15 . The plurality of second terminals 51 can be Mini-B type USB3.0 terminals, and can be arranged on the upper surface of the second tongue 15 . In addition, all the above-mentioned second terminals 51 must be matched with all the first terminals 31 to implement the USB3.0 transmission protocol.

Although the first terminal group 30 and the second terminal group 50 are respectively located on the first tongue 13 and the second tongue 15 , however, the arrangement after the upper and lower positions of the two terminal groups are reversed is also within the scope of the present invention.

The circuit board 60 is disposed in the base 11 of the insulating body 10, and includes a plurality of insulating pads 61 corresponding to the first terminal and corresponding to the second terminal, and each insulating pad 61 is located at the corresponding first terminal and the second terminal. between. The circuit board 60 can be used for soldering the copper wires of the transmission line, and connecting the copper wires with the corresponding terminals 31 , 51 for transmission operation.

The shielding case 70 is made of metal and shields the insulating body 10 , the first terminal group 30 and the second terminal group 50 . A Mini-B type socket 700 is formed on the shielding case 70 to connect with the same type of socket connector. The Mini-B type socket 700 can be inserted into a metric Mini-B type USB socket connector to achieve the purpose of electrical connection. The Mini-B type socket 700 can be divided into an upper half and a lower half according to the width, and the width of the upper half is greater than that of the lower half, thereby achieving the effect of foolproofing. In addition, the shielding shell 70 can be composed of an upper half shell 71 and a lower half shell 72 , and the Mini-B type plugging part 700 is formed at the front end of the upper half shell 71 . In addition, the upper half shell 71 and the lower half shell 72 are provided with a plurality of buckle holes and buckle pieces for fastening with each other, thereby tightly combining the upper half shell 71 and the lower half shell 72 .

The insulating sleeve 80 covers the shielding shell 70 and exposes the Mini-B type plug-in portion 700 of the shielding shell 70 to the front end of the insulating shell 80 . The insulating sleeve 80 can tightly cover and fix the shielding shell 70 by injection molding, thereby enhancing the overall structural strength of the micro plug connector, avoiding accidental disassembly, and improving the resistance to plugging and unplugging, and increasing the number of plugging and unplugging.

In addition, as shown in Fig. 5 and Fig. 6, all the terminals 31, 51 can be programmed into the 1st to 10a numbers 1-10a in sequence, and the signals of the terminals 31, 51 of each number 1-10a are defined in the following table.

Terminal No. Definition of terminal signal 1 VBUS 2 D- 3 D+ 4 ID 5 GND 6 SSRT- 7 SSRT+ 8 GND

Terminal No. Definition of terminal signal 9 SSRX- 10a SSRX+

Through the above-mentioned technical means, the first terminal group 30 and the second terminal group 50 can respectively provide USB2.0 and USB3.0 transmission protocols. In addition, the Mini-B type plug-in part 700 provided by the shielding shell 70 can be inserted into a metric Mini -Type B USB2.0 socket connector for USB2.0 transmission operations, and can also be plugged into a special Mini-B type USB3.0 socket connector for USB3.0 transmission operations. Therefore, the high dual-protocol miniature plug connector of the present invention has extremely wide applicability.

The above description is only illustrative of the present utility model, rather than restrictive. Those of ordinary skill in the art understand that many modifications and changes can be made without departing from the spirit and scope defined by the following appended claims. , or equivalent, but all will fall within the protection scope of the present utility model.

Claims (8)

1. A dual-protocol mini-plug connector, characterized in that it comprises: an insulating body having a base on which a first tongue piece and a second tongue piece protrude forward; A first terminal group, which is disposed on the insulating body, and has a plurality of first terminals penetrating through the base and disposed on the first tongue; a second terminal group having a plurality of second terminals penetrating through the base and disposed on the second tongue; and A shielding shell, made of metal, shields the insulating body, the first terminal group and the second terminal group, and a Mini-B type socket is formed on the shielding shell to connect the same type of socket connection device. 2. The dual-protocol micro plug connector according to claim 1, further comprising a circuit board, the circuit board is arranged in the base of the insulating body, and includes a plurality of corresponding to the first A terminal corresponds to the insulating pad of the second terminal. 3. The dual-protocol micro-plug connector according to claim 1, further comprising an insulating sleeve, the insulating sleeve covers the shielding shell and makes the Mini-B type socket of the shielding shell exposed at the front end of the insulating sleeve. 4. The dual-protocol micro plug connector according to claim 1, wherein the first terminal is located on the lower surface of the first tongue, and the second terminal is located on the upper surface of the second tongue The surface is opposite to the first terminal. 5. The dual-protocol micro plug connector according to any one of claims 1 to 4, wherein the first terminal is a Mini-B type USB 2.0 terminal. 6. The dual-protocol micro plug connector according to claim 5, wherein the second terminal is a Mini-B type USB3.0 terminal. 7. The dual-protocol micro plug connector according to any one of claims 1 to 4, wherein the second terminal is a Mini-B type USB3.0 terminal. 8. The dual-protocol micro-plug connector according to any one of claims 1 to 4, wherein the Mini-B type plug-in part is divided into an upper half and a lower half according to width, and the upper half The half width is greater than the lower half width.

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