CN215816534U

CN215816534U - Direct welding type connector capable of preventing short circuit

Info

Publication number: CN215816534U
Application number: CN202122048324.0U
Authority: CN
Inventors: 黄操
Original assignee: Guangdong Hongben Technology Co ltd
Current assignee: Guangdong Hongben Technology Co ltd
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2022-02-11
Anticipated expiration: 2031-08-28

Abstract

The utility model relates to a direct welding type connector for preventing short circuit, which comprises an insulating body, a conductive terminal and a shielding shell, wherein the conductive terminal is fixedly held in the insulating body, the head end of the conductive terminal is provided with a contact part for realizing conduction with an opposite plug connector, the conductive terminal comprises two power supply terminals, a detection terminal is arranged between the two power supply terminals, and the axial length of the detection terminal is shorter than that of the contact parts of the two power supply terminals. The contacts A5 and B5 of the detection terminal are arranged behind the contacts A9, B4, A4 and B9 of the power terminal, pulse signals are not provided any more after the detection terminal is disconnected, and meanwhile the contacts A5 and B5 are arranged behind the signal terminals A7 and A6, namely the signal terminals are still in data transmission when being pulled out, so that the problem of machine burning caused by short circuit between an electric arc generated in the process of pulling out the power terminal and the signal terminals is effectively prevented, and the stability of data is ensured.

Description

Direct welding type connector capable of preventing short circuit

Technical Field

The utility model relates to the field of connectors, in particular to a direct welding type connector for preventing short circuit.

Background

The existing connector comprises an insulating body, a plurality of conductive terminals and a shielding shell covering the insulating body, when the connector is pulled out, signals are not disconnected during plugging and unplugging due to the structure of the existing conductive terminals, and electric arcs generated in the process of pulling out the power supply terminals are short-circuited with the signal terminals to cause burn-in.

Accordingly, there is a need for improvements in existing connectors that overcome the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

To solve the above problems, the present invention provides a direct-welding connector for preventing short circuit.

In order to achieve the purpose, the utility model adopts the following technical scheme: a direct welding type connector for preventing short circuit comprises an insulating body, a conductive terminal and a shielding shell, wherein the conductive terminal is fixedly held in the insulating body, the head end of the conductive terminal is provided with a contact part used for being conducted with an opposite insertion connector, the conductive terminal comprises two power supply terminals, a detection terminal is arranged between the two power supply terminals, and the axial length of the detection terminal is shorter than that of the contact parts of the two power supply terminals.

Preferably, the detection terminal includes a USB PD communication line terminal CC on side a and a voltage connector terminal VCONN on side B, the contact portion of the USB PD communication line terminal CC has a contact point a5, the contact portion of the voltage connector terminal has a contact point B5, the contact point a5 is located at the upper row, and the contact point B5 is located at the lower row.

Preferably, the detection terminal arranged between the two power supply terminals is also provided with a data terminal D-and a data terminal D +, the contact part of the data terminal D-is provided with a contact A7, the contact part of the data terminal D + is provided with a contact A6, and the contact A5 and the contact B5 are arranged at the back row of the contact A7 and the contact A6.

Preferably, the two power terminals are a first power terminal and a second power terminal respectively, a first ground terminal and a second ground terminal are further disposed outside the first power terminal and the second power terminal respectively, a contact portion of the first ground terminal is forked to form a/B surface elastic contacts a12 and B1, a contact portion of the second ground terminal is forked to form a/B surface elastic contacts a1 and B12, a contact portion of the first power terminal is forked to form a/B surface elastic contacts a9 and B4, a contact portion of the second power terminal 24 is forked to form a/B surface elastic contacts a4 and B9, wherein the contacts a12, a9, a4 and a1 are located at the upper row, and the contacts B1, B4, B9 and B12 are located at the lower row.

Preferably, the tail end of the conductive terminal is provided with a welding part, the welding parts of the grounding terminal, the power terminal and the detection terminal are arranged in a row and exposed out of the rear end of the insulating body to form a pad, and the pad comprises a first pad, a second pad and a third pad.

Preferably, the soldering portions of the first and second ground terminals share a first pad, the soldering portions of the first and second power terminals share a second pad, and the soldering portion of the detection terminal is soldered to the third pad.

Preferably, the pad has a sheet structure.

The utility model has the beneficial effects that: according to the utility model, by improving the head end structure of the signal terminal, the contacts A5 and B5 of the detection terminal are arranged behind the contacts A9, B4, A4 and B9 of the power terminal and are in a high-low state, namely, the detection terminal is disconnected before the data terminal and the power terminal when being pulled out, and after the detection terminal is disconnected, a pulse signal is not provided any more, but data transmission is still continued, so that the problem of machine burning caused by short circuit between an electric arc generated in the process of pulling out the power terminal and the signal terminal is effectively prevented, and the safety factor of the connector is improved.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is another perspective view of the present invention.

Fig. 3 is a structural view of an upper row terminal group of the present invention.

Fig. 4 is a structure view of the lower terminal group of the present invention.

Description of the labeling: 1. an insulating body; 21. a first ground terminal; 22. a second ground terminal; 23. a first power supply terminal; 24. a first power supply terminal; 25. a data terminal D-; 26. a data terminal D +; USB PD communication line terminal CC; 28. a voltage connector terminal VCONN; 3. a shielding housing; 41. a first pad; 42. a second pad; 43. a third pad; 44. and (4) insulating barriers.

Detailed Description

Referring to fig. 1-4, the utility model shows a specific structure of a preferred embodiment of the utility model, a direct-welding connector for preventing short circuit, comprising an insulating body, a conductive terminal held in the insulating body 1, and a shielding shell 3, wherein the conductive terminal has a contact portion at a head end for conducting with a mating connector, and a soldering portion at a tail end, the conductive terminal comprises two ground terminals and two power terminals disposed between the ground terminals, a data terminal D-, a data terminal D +, and a detection terminal are disposed between the two power terminals, the contact portion of the detection terminal is shorter in axial length than the contact portions of the two power terminals, and is shorter in axial length than the contact portions of the data terminal D-, the data terminal D +, the data terminal D-is communicated with the soldering portion of the data terminal D +, the contact portion of the first power terminal 23 is bifurcated to form a/B-side elastic contacts a9 and B4, the contact portion of the second power terminal 24 is bifurcated to form a/B-side elastic contacts a4 and B9, the contact portion of the data terminal D-has a contact a7, the contact portion of the data terminal D + has a contact A6, the detection terminal includes an a/B-side USB PD communication line terminal CC and a voltage connector terminal VCONN, the contact portion of the USB PD communication line terminal CC has a contact A5, the contact portion of the voltage connector terminal has a contact B5, the contact A5 is located at an upper row, the contact B5 is located at a lower row, the contact A5 is misaligned with the contact B5, the contact A5 is flush with the contact B5 and is located at a rear row of the contacts a9, B4, a4 and B9, and is located at a rear row of the contacts a7 and 539a 6.

Preferably, the two ground terminals are a first ground terminal 21 and a second ground terminal 22, respectively, the two power terminals are a first power terminal 23 and a second power terminal 24, the contact portion of the first ground terminal 21 is forked to form a/B surface elastic contacts a12 and B1, the contact portion of the second ground terminal 22 is forked to form a/B surface elastic contacts a1 and B12, wherein the contacts a12, a9, a4 and a1 are located in an upper row, and the contacts B1, B4, B9 and B12 are located in a lower row.

Preferably, the soldering portions of the ground terminal, the power terminal and the detection terminal are arranged in a row and exposed to the rear end of the insulating body to form pads, the pads include a first pad (GND)41, a second pad (VBUS)42 and a third pad (CC)43, the soldering portions of the first ground terminal and the second ground terminal share the first pad 41, the soldering portions of the first power terminal and the second power terminal share the second pad 42, and the soldering portion of the USB PD communication line terminal CC is soldered to the third pad 43.

The insulating barriers for preventing the solder wires from flowing to generate short circuit are convexly arranged between the bonding pads, and the height of the insulating barriers is higher than that of the surface of the bonding pads, so that the problem of short circuit between the wires due to the flowing of the tin is effectively prevented, and the safety is improved.

The insulating barrier is located between the first pad 41, the second pad 42 and the third pad 43. And a12, B1, a1, B12 are shorted to the inner wall of the shield case (prior art), which is enclosed outside the insulating body.

The design of the utility model is characterized in that: after the work is finished, after the connector is pulled out, because the signal is not disconnected and the plug is easy to cause the short circuit between the electric arc and the signal terminal to burn out, the utility model improves the structure of the head end of the signal terminal, the contacts A5 and B5 of the detection terminal are arranged behind the contacts A9, B4, A4 and B9 of the power terminal, and after the detection terminal is disconnected, the pulse signal is not provided any more, and simultaneously the contacts A5 and B5 are arranged behind the signal terminals A7 and A6, namely, the signal terminal is still in data transmission when being pulled out, thereby effectively preventing the problem that the short circuit between the electric arc and the signal terminal is generated in the process of pulling out the power terminal to cause the burn-out, and improving the safety factor of the connector.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.

Claims

1. The utility model provides a prevent direct welding formula connector of short circuit, includes insulator, the conductive terminal of fixing in insulator and shielding shell, conductive terminal's head end has the contact site that is used for realizing switching on with inserting the connector, conductive terminal includes two power supply terminals, its characterized in that: a detection terminal is arranged between the two power supply terminals, and the axial length of the detection terminal is shorter than the contact part of the two power supply terminals.

2. A direct welded connector for preventing short circuit according to claim 1, wherein: the detection terminal comprises a USB PD communication line terminal CC on the A side and a voltage connector terminal VCONN on the B side, the contact part of the USB PD communication line terminal CC is provided with a contact A5, the contact part of the voltage connector terminal CC is provided with a contact B5, the contact A5 is positioned on the upper row, and the contact B5 is positioned on the lower row.

3. A direct welded connector for preventing short circuit according to claim 2, wherein: the detection terminal arranged between the two power supply terminals is also provided with a data terminal D-and a data terminal D +, the contact part of the data terminal D-is provided with a contact A7, the contact part of the data terminal D + is provided with a contact A6, and the contact A5 and the contact B5 are arranged at the back row of the contact A7 and the contact A6.

4. A direct welded connector for preventing short circuit according to claim 1, wherein: the two power terminals are respectively a first power terminal and a second power terminal, a first ground terminal and a second ground terminal are respectively arranged on the outer sides of the first power terminal and the second power terminal, the contact part of the first ground terminal is forked to form A/B surface elastic contacts A12 and B1, the contact part of the second ground terminal is forked to form A/B surface elastic contacts A1 and B12, the contact part of the first power terminal is forked to form A/B surface elastic contacts A9 and B4, the contact part of the second power terminal (24) is forked to form A/B surface elastic contacts A4 and B9, wherein the contacts A12, A9, A4 and A1 are positioned on the upper row, and the contacts B1, B4, B9 and B12 are positioned on the lower row.

5. A direct welded connector for preventing short circuit according to claim 4, wherein: the tail end of the conductive terminal is provided with a welding part, the welding parts of the grounding terminal, the power terminal and the detection terminal are arranged in a row and exposed out of the rear end of the insulating body to form a welding disc, and the welding disc comprises a first welding disc, a second welding disc and a third welding disc.

6. A direct welded connector for preventing short circuit according to claim 5, wherein: the welding parts of the first grounding terminal and the second grounding terminal share a first pad, the welding parts of the first power supply terminal and the second power supply terminal share a second pad, and the welding part of the detection terminal is welded with a third pad.

7. A direct welded connector for preventing short circuit according to claim 5, wherein: the pad is of a sheet structure.