CN205141186U - Electric connector - Google Patents

Abstract

The utility model discloses an electrical connector, which includes a plug connector for plugging into a docking connector, an insulating body, a plurality of conductive terminals mounted on the insulating body, and a shielding shell covering the insulating body. The conductive terminal includes a contact portion for connecting with the butt connector, a holding portion held on the insulating body, and a welding portion extending from the holding portion. The conductive terminal includes a first conductive terminal group and a second conductive terminal group. The first conductive terminal group includes a first power terminal and a first ground terminal for transmitting power, and the second conductive terminal group includes a second ground terminal and a second power terminal for increasing current transmission. In this way, the electrical connector is a male electrical connector, and compared with the existing electrical connector, the newly added second ground terminal and second power supply terminal can enable the electrical connector to carry a large current to the mobile terminal. Charging, reducing charging time and improving charging efficiency.

Description

electrical connector

technical field

The utility model relates to an electric connector, in particular to an electric connector with several conductive terminals.

Background technique

MicroUSB is a portable version of the USB2.0 standard, which was completed on January 4, 2007 by the USB Standardization Organization (USBImplementersForum, USB-IF). MicroUSB connectors are smaller than standard USB and Mini-USB connectors, save space, have a plugging life and strength of up to 10,000 times, and have a blind mating structure design. The Micro-USB standard supports the OTG function of the current USB, that is, without a host (such as a personal computer), data transmission can be directly realized between portable devices, and data transmission and charging can be provided at the same time, especially suitable for high-speed (HS) or higher High-speed data transmission is the best choice for connecting small devices (such as mobile phones, PDAs, digital cameras, digital video cameras and portable digital players, etc.). MicroUSB has wide versatility and is easy to use. It may become a unified charging interface for electronic products such as earphones and mobile phones in the future.

The traditional MicroUSB has a 5-terminal structure. The interface only forms a charging circuit through a power path and a ground path, and supports a maximum charging current of 3 amps (A). Therefore, the charging speed is slow and wastes time. In today's high-efficiency life rhythm, when using a mobile terminal to handle things, due to the increase in frequency and time of use, a large amount of power will be consumed in the mobile terminal, which requires frequent charging; due to the accelerated pace of life, especially emergencies More and more, users hope to charge mobile terminals with high current, reduce charging time and improve charging efficiency.

Therefore, it is necessary to improve the existing electrical connectors to overcome the above-mentioned defects in the prior art.

Utility model content

The purpose of the utility model is to provide an electrical connector with improved charging efficiency.

The purpose of this utility model is achieved through the following technical solutions: an electrical connector, including a plug connector for plugging into a docking connector, including an insulating body, a number of conductive terminals mounted on the insulating body, and an insulating The shielding shell on the body, the conductive terminal includes a contact portion for connecting with the butt connector, a holding portion held on the insulating body, and a welding portion extending from the holding portion, and the conductive terminal includes a first conductive terminal group And a second conductive terminal group, the first conductive terminal group includes a first power supply terminal and a first ground terminal for transmitting power, and the second conductive terminal group includes a second ground terminal and a first ground terminal for increasing current transmission Two power terminals.

As a further improvement of the present invention, the widths of the second ground terminal and the second power supply terminal are larger than the widths of the first power supply terminal and the first ground terminal.

As a further improvement of the present utility model, the first conductive terminal group and the second conductive terminal group are arranged in a front-back arrangement.

As a further improvement of the present utility model, the first conductive terminal group also includes a reserved terminal and a pair of differential signal terminals, and the first conductive terminal group is sequentially the first ground terminal, reserved terminals, and a pair of differential signal terminals. a signal terminal and the first power supply terminal.

As a further improvement of the present invention, the contact portion of the first conductive terminal group is in the shape of a protrusion, and the contact portion of the second conductive terminal group is in the shape of a flat plate.

As a further improvement of the present utility model, the insulating body includes a first insulating body, the first insulating body includes a base and a tongue portion extending forward from the base, and the tongue portion includes a base for positioning the first conductive terminal. The terminal accommodating groove of the contact part of the group and the first concave part located at the front end of the terminal accommodating groove, the contact part of the second conductive terminal group is located in the first concave part.

As a further improvement of the present utility model, the base of the first insulating body is provided with an insertion groove that penetrates front and rear, and the tongue plate portion is also provided with a second concave portion that is located at the rear end of the terminal receiving groove and communicates with the insertion groove. The insulating body includes a second insulating body plugged onto the first insulating body, the second insulating body includes a main body that is held against the back of the base and a tongue that extends forward from the main body, the tongue The part is plugged into the second concave part to clamp the holding part of the first conductive terminal group up and down.

As a further improvement of the utility model, the shielding housing includes a top wall and a bottom wall, the top wall and the bottom wall are provided with elastic parts extending forward and backward, and the ends of the elastic parts are provided with protrusions for connecting with the butt joint. The raised part where the device snaps in.

As a further improvement of the present invention, the top wall of the shielding housing is further provided with a protruding rib located above the first recess.

As a further improvement of the present utility model, the electrical connector is a MicroUSB male connector, and the electrical connector is used for compatible docking with a 7-terminal MICROUSB female connector and a 5-terminal MICROUSB female connector.

Compared with the prior art, the electrical connector described in the present invention is a male electrical connector, and the newly added second grounding terminal and second power supply terminal enable the electrical connector to charge the mobile terminal with a large current , Reduce charging time and improve charging efficiency.

Description of drawings

Fig. 1 is a three-dimensional assembled view of the electrical connector of the present invention.

Fig. 2 is a three-dimensional assembled view from another angle in Fig. 1 .

FIG. 3 is a partially assembled three-dimensional view of the shielding case in FIG. 1 .

FIG. 4 is a partially assembled three-dimensional view of the first insulating body in FIG. 3 .

Fig. 5 is a partial perspective combined view from another angle in Fig. 4 .

Fig. 6 is a three-dimensional exploded view of the electrical connector of the present invention.

Fig. 7 is a three-dimensional exploded view from another angle of the electrical connector of the present invention.

Fig. 8 is a partial three-dimensional assembly view of a 7-terminal MICROUSB female connector used to cooperate with the electrical connector of the present invention.

Reference signs:

electrical connector 100 plug connector 10

insulating body 1 first insulating body 11

Base 111 front end face 1111

Rear end surface 1112 Tongue plate part 112

Terminal receiving groove 113 first recessed part 114

The second recessed part 115 is inserted into the groove 116

Positioning hole 117 second insulating body 12

Front surface 1211 of main body part 121

Rear surface 1212 Top surface 1213

Bottom surface 1214 tongue portion 122

The positioning post 123 buckles the protrusion 124

Extension plate 125 Terminal positioning slot 126

Conductive terminal 2 First conductive terminal group 21

contact part 211 holding part 212

The welding part 213 is the second conductive terminal group 22

Contact part 221 Holding part 222

The welding part 223 shields the casing 3

top wall 31 reinforcement rib 311

Elastic part 312 Protruding part 313

Bottom wall 32 Side wall 33

Buckle wall 331 Buckle hole 332

7-terminal MICROUSB female connector 200

Contact part 201, 203 opening 202

detailed description

Please refer to Figures 1 to 7, the utility model is an electrical connector 100, including a plug connector 10 for plugging into a butt connector (see Figure 8), including an insulating body 1, mounted on the insulating body 1 A plurality of conductive terminals 2 and a shielding shell 3 covered on the insulating body 1, the conductive terminal 2 includes contact parts 221, 211 for connecting with the butt connector, a holding part 222 held on the insulating body 1, 212 and welding parts 223, 213 extending from the holding parts 222, 212, the conductive terminal 2 includes a first conductive terminal group 21 and a second conductive terminal group 22, the first conductive terminal group 21 includes a The first power supply terminal and the first ground terminal. The second conductive terminal group 22 includes a second ground terminal and a second power supply terminal for increasing current transmission. In this way, the electrical connector 100 is a male electrical connector, and compared with the existing electrical connector, the newly added second ground terminal and second power supply terminal can enable the electrical connector 100 to connect to the mobile terminal. High current charging reduces charging time and improves charging efficiency.

In this embodiment, the electrical connector 100 is a 7-terminal MicroUSB male connector, and the electrical connector 100 is used to connect with a 7-terminal MICROUSB female connector 200 (see FIG. 8 ) and a 5-terminal MICROUSB female connector. compatible docking device (not shown). That is, when the 5-terminal MICROUSB female connector is inserted, the 5-terminal MICROUSB female connector is electrically connected to only the first conductive terminal group 21; when the 7-terminal MICROUSB female connector is inserted, the The first and second conductive terminal groups 21 and 22 are electrically connected to the 7-terminal MICROUSB female connector at the same time. In other implementations, the electrical connector 100 may also be other types of electrical connectors (not shown), and a second ground terminal and a second power terminal are added to increase current transmission to improve charging efficiency.

The widths of the second ground terminal and the second power supply terminal are larger than the widths of the first power supply terminal and the first ground terminal. In this way, the second ground terminal can transmit a larger current than the first power terminal and the first ground terminal compared with the second power terminal.

The first conductive terminal group 21 and the second conductive terminal group 22 are arranged in a front-to-rear arrangement. With such an arrangement, when the 5-terminal MICROUSB female connector is plugged in, the 5-terminal MICROUSB female connector can better avoid contact with the second conductive terminal group 22 .

The first conductive terminal group 21 is sequentially the first ground terminal, reserved terminals, a pair of differential signal terminals and the first power supply terminal. In this way, the first conductive terminal group 21 is the conductive terminal group 2 of the 5-terminal MICROUSB female connector.

The contact portion 211 of the first conductive terminal set 21 is in the shape of a protrusion, and the contact portion 221 of the second conductive terminal set 22 is in the shape of a flat plate. In this way, the contact portion 211 of the first conductive terminal group 21 can be used to contact the flat contact portion (not shown) of the 5-terminal MICROUSB female connector or the flat contact at the front end of the 7-terminal MICROUSB female connector 200 Part 203 (see FIG. 8 ) is overlapped more firmly; and the contact portion 221 of the second conductive terminal group 22 can be connected to the protrusion of the newly added second ground terminal and the second power terminal of the 7-terminal MICROUSB female connector. The shape contact portion 201 (see FIG. 8 ) is more firmly overlapped.

The insulating body 1 includes a first insulating body 11, the first insulating body 11 includes a base portion 111 and a tongue portion 112 extending forward from the base portion 111, the base portion 111 has a front end surface 1111 and is opposite to the front end surface 1111 The rear end surface 1112 of the tongue part 112 includes a terminal receiving groove 113 for positioning the contact part 211 of the first conductive terminal group 21 and a first concave part 114 at the front end of the terminal receiving groove 113. The second conductive terminal The contact portion 221 of the group 22 is located in the first recessed portion 114 . With such arrangement, when the 5-terminal MICROUSB female connector is plugged in, the second conductive terminal group 22 can better avoid electrical contact with the 5-terminal MICROUSB female connector.

The base 111 of the first insulating body 11 is provided with an inserting groove 116 that penetrates front and back, and the tongue portion 112 is also provided with a second recessed portion 115 located at the rear end of the terminal receiving groove 113 and communicating with the inserting groove 116. The insulating body 1 includes a second insulating body 12 inserted on the first insulating body 11, the second insulating body 12 includes a main body 121 abutting against the rear of the base 111 and a tongue extending forward from the main body 121 The main body 121 has a front surface 1211 , a rear surface 1212 opposite to the front surface 1211 , an upper top surface 1213 , and a bottom surface 1214 opposite to the top surface 1213 . The tongue part 122 is inserted into the second recessed part 115 to clamp the holding part 212 of the first conductive terminal set 21 up and down. In this way, the structure of the insulating body 1 is simple, which facilitates the assembly of the electrical connector 100 . The front surface 1211 extends forward with positioning columns 123 located on the left and right sides of the tongue portion 122 . The positioning post 123 is used for plugging into the positioning hole 117 to secure the first insulating body 11 and the second insulating body 12 stably. The top surface 1213 and the bottom surface 1214 protrude from the top surface 1213 and the bottom surface 1214 respectively to protrude a buckling protrusion 124 for buckling the shielding case 3 . The middle part of the rear surface 1212 extends backward with a horizontal extension plate 125, and the upper and lower sides of the extension plate 125 are provided with protruding terminal positioning grooves 126. The terminal receiving grooves 126 on the upper and lower sides of the extension plate 125 are all along the front and rear The direction extends to accommodate and position the welding portion 213 of the first conductive terminal set 21 and the welding portion 223 of the second conductive terminal set 22 respectively.

The shielding housing 3 includes a top wall 31, a bottom wall 32 opposite to the top wall 31, and two side walls 33 on both sides. The top wall 31 and the bottom wall are provided with elastic pieces 312 extending forward and backward, and the elastic pieces The end of the portion 312 is provided with a protruding portion 313 that protrudes upwards and is used to engage with the mating connector. That is, the butt connector is provided with an opening 202 (see FIG. 8 ), and the protrusion 313 is used to cooperate with the opening 202. Such arrangement can improve the plugging reliability of the electrical connector 100 sex. The top wall 31 and the bottom wall 32 respectively extend rearwardly with buckling walls 331 that cooperate with the second insulating body 12 , and the buckling walls 331 are provided with buckling holes for buckling with the buckling protrusions 124 332 , so that the shielding shell 3 is stably fixed on the insulating body 1 .

The top wall 31 of the shielding housing 3 is further provided with a protruding reinforcing rib 311 above the first concave portion 114 . Such an arrangement can prevent the front end of the plug connector 10 from being deformed, thereby further improving the plugging reliability of the electrical connector 100 .

The series of detailed descriptions listed above are only specific descriptions for the feasible implementation modes of the present utility model, and they are not used to limit the protection scope of the present utility model. Embodiments or modifications should be included within the protection scope of the present utility model.

Claims (10)

1. An electrical connector, comprising a plug connector for plugging into a docking connector, including an insulating body, a plurality of conductive terminals mounted on the insulating body, and a shielding shell covered on the insulating body, the conductive terminals It includes a contact portion for connecting with a docking connector, a holding portion held on the insulating body, and a welding portion extending from the holding portion, wherein the conductive terminal includes a first conductive terminal group and a second conductive terminal group, The first conductive terminal group includes a first power terminal and a first ground terminal for transmitting power, and the second conductive terminal group includes a second ground terminal and a second power terminal for increasing current transmission. 2. The electrical connector as claimed in claim 1, wherein the widths of the second ground terminal and the second power terminal are larger than the widths of the first power terminal and the first ground terminal. 3 . The electrical connector according to claim 1 , wherein the first conductive terminal group and the second conductive terminal group are arranged in a front-to-rear arrangement. 4 . 4. The electrical connector according to claim 1, wherein the first conductive terminal group further includes a reserved terminal and a pair of differential signal terminals, and the first conductive terminal group is sequentially the first grounding terminal terminals, reserved terminals, a pair of differential signal terminals and the first power supply terminal. 5. The electrical connector according to claim 1, wherein the contact portion of the first conductive terminal group is in the shape of a protrusion, and the contact portion of the second conductive terminal group is in the shape of a flat plate. 6. The electrical connector according to claim 1, wherein the insulating body comprises a first insulating body, the first insulating body comprises a base and a tongue extending forward from the base, the tongue The part includes a terminal receiving groove for positioning the contact part of the first conductive terminal group and a first concave part located at the front end of the terminal receiving groove, and the contact part of the second conductive terminal group is located in the first concave part. 7. The electrical connector according to claim 6, characterized in that: the base of the first insulator body is provided with an insertion groove that penetrates front and rear, and the tongue plate portion is also provided with a socket located at the rear end of the terminal receiving groove and connected to the insertion groove. The second recess connected to the groove, the insulating body includes a second insulating body plugged on the first insulating body, the second insulating body includes a main body that abuts against the rear of the base and extends forward from the main body The tongue portion is inserted into the second recessed portion to clamp the holding portion of the first conductive terminal group up and down. 8. The electrical connector according to claim 6, wherein the shielding housing comprises a top wall and a bottom wall, the top wall and the bottom wall are provided with elastic parts extending forward and backward, and the ends of the elastic parts are provided with There is a protruding protruding part for snapping with the mating connector. 9 . The electrical connector according to claim 8 , wherein the top wall of the shielding housing is further provided with a protruding reinforcing rib located above the first concave portion. 10 . 10. The electrical connector according to any one of claims 1 to 9, wherein the electrical connector is a MicroUSB male connector, and the electrical connector is used to connect with a 7-terminal MICROUSB female connector and 5-terminal MICROUSB female connector compatible docking.