TW201725812A - Electrical connector and material strip - Google Patents

Abstract

The invention discloses an electrical connector and a material strip. The electrical connector includes a housing including a tongue having a first surface and an opposite second surface, a first contact module arranged along the first surface, a second contact module arranged along the second surface. The first contact module includes a plurality of first contacts and an additional contact. The second contact module includes a plurality of second contacts oppositely symmetrical to the first contacts.

Description

Electrical connector and strip structure

The present invention relates to an electrical connector and a tape structure thereof, and more particularly to an electrical connector suitable for forward and reverse insertion and a tape structure thereof.

The forward and reverse plug connectors disclosed in Chinese Patent Application No. 204315752, issued on May 6, 2015, include two rows of terminals in a reverse symmetric configuration. The detection terminal, the USB2.0 positive signal terminal, the USB2.0 negative signal terminal, the power terminal, and the ground terminal are sequentially disposed at the fifth, sixth, seventh, ninth, and twelfth positions of each row of terminals. This type of connector cannot pass large currents and cannot transmit extended signals according to customer requirements.

The strip of the row of terminals in the forward and reverse plug connectors disclosed in the Chinese Patent Application Laid-Open No. 203932381, which is issued on November 5, 2014, is only connected to the side portions of the outermost two terminals. The terminal head leaves the strip and it is difficult to ensure coplanarity when bending.

In view of this, it is necessary to provide an electrical connector and its tape structure to overcome the deficiencies of the prior art.

It is an object of the present invention to provide an electrical connector, and more particularly to an electrical connector that satisfies a large current and its tape structure.

The electrical connector of the present invention can be implemented by the following technical solution: an electrical connector includes an insulative body provided with a tongue having a first surface and a second surface opposite the first surface, the tongue a first terminal group is disposed on the first surface of the board, a second terminal group is disposed on the second surface of the tongue plate, the first terminal group includes a plurality of first terminals, and the second terminal group includes a plurality of The two terminals, the plurality of first terminals and the plurality of second terminals are equal in number and arranged in a reverse symmetric manner, wherein the first terminal group further comprises an expansion terminal.

As a further improvement of the technical solution of the present invention, the first terminal group has twelve terminal positions, and the expansion terminal is located at an eighth terminal position among the twelve terminal positions.

As a further improvement of the present invention, the first terminal group includes a first intermediate terminal region and a first ground terminal, and the first intermediate terminal region forms a first reserved space with a corresponding edge of the tongue plate. Forming a second reserved space between the first intermediate terminal area and the first ground terminal, the expansion terminal is disposed in the intermediate terminal area such that the intermediate terminal area has no reserved space, and the second terminal The group includes a second intermediate terminal region and a second ground terminal, the second intermediate terminal region and a corresponding edge of the tongue plate form a third reserved space, and the second intermediate terminal region and the second ground terminal A fourth reserved space is formed, and a position of the second intermediate terminal region that is opposite to the expansion terminal is not provided with a terminal to form a fifth reserved space.

As a further improvement of the present invention, the electrical connector further includes a housing, and the housing and the tongue plate form an insertion space for insertion of the docking connection.

As a further improvement of the present invention, the first terminal and the second terminal respectively have a contact portion exposed on the surface of the tongue plate and a portion extending forward from the contact portion for pressing the mold.

As a further improvement of the present invention, the portion of the first terminal that extends forward from the contact portion for pressing the mold is a head portion, and the self-contact portion of the second terminal extends forward for the mold to press. A portion is a front end portion, and a front end portion of the second terminal is laterally offset to deflect the front end portion from a head portion of the first terminal.

As a further improvement of the present invention, the contact portion of the second terminal is provided with an ear portion extending laterally for the mold to be pressed.

As a further improvement of the present invention, a tape structure of an electrical connector includes a terminal strip, the terminal strip includes a plurality of terminals, and the plurality of terminals includes an outer terminal, an intermediate terminal, and a side terminal, and each terminal has a front end portion, a soldering leg, and an intermediate portion connected between the front end portion and the soldering leg, wherein the front end portion of the outer terminal is connected to the front end portion of the intermediate terminal with the same tape, and the intermediate portion and the side terminal of the intermediate terminal A bridge is connected between the intermediate portions.

As a further improvement of the technical solution of the present invention, the tape structure comprises a metal mask sheet strip, the metal mask sheet strip comprises a metal mask sheet and laterally extends from both sides of the rear end of the metal mask sheet and Winding around the strip of metal mask.

Compared with the prior art, the present invention adds an extension terminal based on the setting of the reverse symmetrical terminal, which can meet the USB2.0 specification, meets the high current of 3 to 5 amps, can be inserted in the reverse direction and can be compatible with the standard USB Type. C plug.

The first figure is a perspective assembled view of the electrical connector and the circuit board of the present invention.

The second figure is a three-dimensional combination of the other angles of the first figure.

The third figure is an exploded perspective view of the electrical connector.

The fourth figure is a perspective view of the electrical connector when it is not inserted into the inner casing and the outer casing.

The fifth figure is a perspective view of another angle of the fourth figure.

The sixth figure is a perspective view of the plastic block when it is not formed on the insulating body.

The seventh figure is a perspective view of another angle of the sixth figure.

The eighth figure is a perspective view of a metal mask strip.

The ninth diagram is a perspective view of the first terminal set before the bridge is removed.

The tenth figure is a perspective view of the second terminal set before the bridge is removed.

The eleventh drawing is a plan view of the first terminal group and the second terminal group.

The twelfth figure is a schematic diagram of the terminal signal arrangement.

A specific embodiment of the electrical connector 100 of the present invention and a method of manufacturing the same will be described in conjunction with the first to twelfth drawings.

Referring to the first to eighth embodiments, the electrical connector 100 of the present invention is a socket connector including an insulative housing 1 , a first terminal group and a second terminal group held on the insulative housing 1 , and a metal cover. a cover sheet 5 and an inner casing 6 and an outer casing 7 sleeved on the insulative housing 1.

The insulative housing 1 includes a base portion 11 and a tongue plate 12 extending forward from the base portion 11.

In conjunction with the ninth diagram, the first terminal group includes a plurality of first terminals 21a and extension terminals 21b. Each of the first terminal 21a and the extension terminal 21b includes a head portion 215 disposed at a front end thereof, a neck portion 216 bent from the head portion 215 and extending rearward, a welded portion 217 disposed at the tail end, and the neck portion 216 being connected A connection portion 218 to the welded portion 217. A laterally extending bridge 23 is connected between the connecting portions 218 in the first terminal set.

In conjunction with the tenth diagram, the second terminal 22 is provided with a front end portion 221, a soldering leg 222, and an intermediate portion 223 connecting the front end portion 221 and the soldering leg 222. The intermediate portion 223 is provided with two ear portions 2231 that protrude laterally in an asymmetrical manner. The front end portion 221 of the middle one of the second terminal groups 22 and the front end portion 221 of the two second terminals 22 on the right side are connected to the same tape, and the intermediate portion 223 of the second intermediate terminal 22 in the middle and the left side A laterally extending bridge 23 is connected between the intermediate portions 223 of the second terminals 22.

The method of manufacturing the electrical connector 100 includes the following steps. In the punching step, five first terminals 21a and one extension terminal 21b to which the bridge 23 is connected are punched out, respectively. A second terminal 22, to which the bridge 23 is connected, is again punched out. In conjunction with the sixth figure, a metal mask sheet 5 strip is stamped, which includes a metal mask sheet 5 and a strip extending laterally from both sides of the rear end of the metal mask sheet 5 and wound around the front side of the metal mask sheet 5. .

In conjunction with the sixth and seventh figures, the front end portion 221 and the head portion 215 are used to press the mold at the time of injection molding to prevent the head portion 215 from being offset when the plugging is performed. In conjunction with the eleventh diagram, the front end portion 221 of the second terminal 22 is laterally offset to bias the front end portion 221 away from the first terminal 21a and the head portion 215 of the extension terminal 21b to facilitate abutment of the mold. The ear portion 2231 of the second terminal 22 extends laterally to deviate from the corresponding portion of the first terminal 21a, so that the corresponding portion of the ear portion 2231 and the first terminal 21a can be resisted by the mold during injection molding. . In combination with the sixth and seventh figures, in the injection molding, a row of the first terminal 21a, the extension terminal 21b, and the row of the second terminal 22, and the metal mask piece 5, which respectively hold the mold, are injection molded to form the terminal die. Group (not numbered). The head 215 of the first terminal 21a is held by the module. The strip and the punch bridge 23 are removed.

In combination with the fourth and fifth figures, when the hole is injection molded, the mold hole left after the mold is removed and the gap left on the insulating body 1 for the punching bridge are blocked by the plastic block 3. The front end of the connecting portion 218 of the first terminal 21a and the extension terminal 21b and the front end of the intermediate portion 223 of the second terminal 22 are respectively exposed on the upper surface and the lower surface of the tongue plate 12 to form a contact with the mating connector. unit.

In the first step, in the arranging step, the inner casing 6 and the outer casing 7 are sequentially sleeved on the insulative housing 1 to form an insertion between the inner casing 6 and the insulative housing 1 for insertion of the mating connector. Space 10.

According to the twelfth figure, the first terminal 21a and the second terminal 22 are arranged symmetrically in opposite directions in two rows. The first terminal group has twelve terminal positions, which are labeled A1 to A12, wherein the first terminal 21a is disposed at the fifth, sixth, seventh, ninth, and twelfth positions, and the first detecting terminal is sequentially CC1, first USB2.0 positive signal terminal D+, first USB2.0 negative signal terminal D-, first power supply terminal Vbus, first ground terminal GND. The extension terminal 21b is disposed at the eighth position among the twelve terminal positions of the first terminal group, and is denoted as SBU1 in the twelfth figure. The extension terminal 21b can transmit an extended signal such as an audio signal, a video signal, a detection signal, etc. as needed. The fifth to ninth positions of the twelve terminal positions of the first terminal group are collectively referred to as a first intermediate terminal region, and a left side and a corresponding edge of the tongue plate 12 form a first reserved space on the right side thereof. Forming a second reserved space with the first ground terminal. The extension terminal 21b is disposed in the intermediate terminal area such that the intermediate terminal area has no reserved space.

The second terminal group has twelve terminal positions, which are labeled B1 to B12, wherein the fifth, sixth, seventh, ninth, and twelfth positions are sequentially configured as the second detecting terminal CC2 and the second USB2. 0 positive signal terminal D+, second USB2.0 negative signal terminal D-, second power supply terminal Vbus, and second ground terminal GND. The fifth to ninth of the twelve terminal positions of the second terminal group are collectively referred to as a second intermediate terminal region. a third reserved space is formed between the right side of the second intermediate terminal area and the corresponding edge of the tongue plate 12, and a fourth reserved space is formed between the left side of the second intermediate terminal area and the second grounding terminal, The second intermediate terminal region forms a fifth reserved space because no terminal is provided at the eighth position. Two shorted terminals are provided at corresponding eighth positions on the mating plug connector (not shown), so that the plug connector can be electrically connected to the extension terminal 21b when inserted into the electrical connector 100 in the forward or reverse direction.

The 11-terminal design is designed to meet the USB 2.0 specification and meets high currents of 3 to 5 amps. It can be plugged in and out and is compatible with standard USB Type C plugs.

The arrangement of the bridge 23 ensures the positive position and flatness of the terminal. Prevent the terminal from yaw up and down during injection molding. The mold can be pressed against the bridge 23 during injection molding to facilitate terminal positioning. The rear end of the metal cover sheet 5 extends laterally and is connected to a strip wound to the front. This arrangement prevents the front end functional area of the metal cover sheet 5 from being damaged. It is easy to position during injection molding and can also ensure strength.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Electrical connector

200‧‧‧ boards

1‧‧‧Insulating body

10‧‧‧Interposed space

11‧‧‧ base

12‧‧ ‧ tongue

2‧‧‧ terminals

21a‧‧‧First terminal

21b‧‧‧Extension terminal

215‧‧‧ head

216‧‧‧ neck

217‧‧‧Weld Department

218‧‧‧Connecting Department

22‧‧‧second terminal

221‧‧‧ front end

222‧‧‧welding feet

223‧‧‧ middle part

2231‧‧ Ears

23‧‧‧Material

3‧‧‧ plastic blocks

4‧‧‧Waterproof Department

5‧‧‧Metal mask

6‧‧‧ inner casing

7‧‧‧Outer casing

no

100‧‧‧Electrical connector

200‧‧‧ boards

10‧‧‧Interposed space

2‧‧‧ terminals

6‧‧‧ inner casing

7‧‧‧Outer casing

Claims (9)

An electrical connector includes an insulative housing having a tongue plate having a first surface and a second surface opposite the first surface, the first surface of the tongue plate being provided with a first terminal set a second terminal group is disposed on the second surface of the tongue plate, the first terminal group includes a plurality of first terminals, the second terminal group includes a plurality of second terminals, and the plurality of first terminals and the plurality of terminals The two terminals are equal in number and arranged in a reverse symmetrical configuration, wherein the first terminal set further includes an expansion terminal. The electrical connector of claim 1, wherein the first terminal set has twelve terminal positions, and the expansion terminal is located at an eighth terminal position of the twelve terminal positions. The electrical connector of claim 1, wherein the first terminal group comprises a first intermediate terminal region and a first ground terminal, and the first intermediate terminal region forms a first portion with a corresponding edge of the tongue plate a reserved space, a second reserved space is formed between the first intermediate terminal area and the first ground terminal, and the extended terminal is disposed in the intermediate terminal area so that the intermediate terminal area has no reserved space The second terminal group includes a second intermediate terminal region and a second ground terminal, and the second intermediate terminal region forms a third reserved space with a corresponding edge of the tongue plate, and the second intermediate terminal region and the second intermediate terminal region A fourth reserved space is formed between the second ground terminals, and a position of the second intermediate terminal area opposite to the extended terminal is not provided with a terminal to form a fifth reserved space. The electrical connector of any one of clauses 1 to 3, wherein the electrical connector further comprises a housing, the housing and the tongue plate being formed for insertion by a butt joint Insert space. The electrical connector of claim 1, wherein the first terminal and the second terminal respectively have a contact portion exposed on a surface of the tongue plate and a front portion extending from the contact portion for pressing the mold. section. The electrical connector of claim 5, wherein the portion of the first terminal that extends forward from the contact portion for pressing the mold is a head portion, and the self-contact portion of the second terminal is forward A portion extending for pressing by the mold is a front end portion, and a front end portion of the second terminal is laterally offset to deflect the front end portion from a head portion of the first terminal. The electrical connector of claim 1, wherein the contact portion of the second terminal is provided with an ear portion that extends laterally for the mold to press. A tape structure of an electrical connector, comprising a terminal strip, the terminal strip comprising a plurality of terminals, the plurality of terminals comprising an outer terminal, an intermediate terminal and a side terminal, each terminal having a front end portion, a soldering leg and a front end An intermediate portion between the portion and the soldering leg, the front end portion of the outer terminal and the front end portion of the intermediate terminal are connected to the same tape, and a bridge is connected between the intermediate portion of the intermediate terminal and the intermediate portion of the side terminal. The tape structure of the electrical connector of claim 8, wherein the tape structure comprises a metal mask strip, the metal mask strip comprising a metal mask and a self-metal mask Both sides of the back end of the sheet extend laterally and around the strip in front of the metal mask.