CN215816492U - Clamping plate type connector with stepped short-circuit-preventing terminal - Google Patents
Clamping plate type connector with stepped short-circuit-preventing terminal Download PDFInfo
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- CN215816492U CN215816492U CN202122048323.6U CN202122048323U CN215816492U CN 215816492 U CN215816492 U CN 215816492U CN 202122048323 U CN202122048323 U CN 202122048323U CN 215816492 U CN215816492 U CN 215816492U
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Abstract
The utility model relates to a clamping plate type connector with a step-shaped terminal for preventing short circuit, which comprises an insulating body, a conductive terminal and a shielding shell, wherein the conductive terminal comprises four grounding terminals, four pairs of transmitter high-speed data terminals, four power terminals, a pair of SBU terminals, two CC terminals, two pairs of USBD +/D-, a pair of SBU terminals, two CC terminals and two pairs of USBD +/D-which are shorter than the four power terminals in the upstream direction and are arranged in a step shape. The problem of burn-out caused by short circuit between the power supply terminal and the signal terminal when the power supply terminal is pulled out during plugging and unplugging is effectively prevented, and the safety factor of the connector is improved.
Description
Technical Field
The utility model relates to the field of connectors, in particular to a clamping plate type connector with a stepped terminal for preventing short circuit.
Background
The Universal Serial Bus (USB) is the most widely used transmission interface in the current personal computer peripheral products, the current transmission interface with the USB Type-C specification provides an ultra-high speed mode and has a transmission rate as high as 10Gbps, meanwhile, twelve terminals are respectively arranged on the front and back sides of a tongue part of the USB Type-C connector, and the structure that a user can randomly insert the USB connector in a forward direction and a backward direction is realized by the terminals with the same quantity and similar functions on the front and back sides. When a connector with twelve existing terminal structures is pulled out in a charging process, because signals are not disconnected, electric arcs generated in the pulling-out process of a power terminal are short-circuited with the signal terminals to cause burn-in.
Accordingly, there is a need for an improved connector that overcomes the above-mentioned deficiencies.
SUMMERY OF THE UTILITY MODEL
To solve the above problems, the present invention provides a plate-clamping connector in which a short-circuit prevention terminal is stepped.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a terminal that prevents short circuit is splint formula connector of echelonment, includes insulator, conductive terminal and shielding shell, conductive terminal is including four ground terminal, four pairs of TX/RX terminal, four power supply terminals, a pair of SBU terminal, two CC terminals, two pairs of USBD +/D-are than four power supply terminals in the upstream direction short and be the echelonment and arrange.
Preferably, the conductive terminal has an a-plane terminal bit and a B-plane terminal bit, four of the ground terminals include a first power terminal, a second power terminal, a third power terminal and a fourth power terminal, the CC terminal includes a communication line terminal and a VCONN terminal, one pair of SBU terminals includes a first auxiliary terminal and a second auxiliary terminal, two pairs of USBD +/D-terminals include a first data terminal D-, a second data terminal D +, a third data terminal D +, a fourth data terminal D-, a first power terminal, a first auxiliary terminal, a first data terminal D-, a second data terminal D +, a communication line terminal, a second power terminal are sequentially located in the a-plane terminal bit from left to right, a third power terminal, a VCONN terminal, a third data terminal D +, a fourth data terminal D-, a second auxiliary terminal are sequentially located in the B-plane terminal bit from left to right, the communication line terminal, the VCONN terminal, the first and second auxiliary terminals, the first data terminal D-, the second data terminal D +, the third data terminal D +, and the fourth data terminal D-are arranged behind the first power supply terminal, the second power supply terminal, the third power supply terminal, and the fourth power supply terminal in a step shape.
Preferably, the head ends of the conductive terminals are provided with contact parts for realizing conduction with a plug-in connector, and the contact part of the first power terminal is provided with a contact A9; the contact portion of the first auxiliary terminal SBU1 has a contact a 8; the contact portion of the first data terminal D-has a contact a 7; the contact portion of the second data terminal D + has a contact a 6; the contact portion of the communication line terminal has a contact a 5; the contact portion of the second power terminal has a contact a 4; the contact portion of the third power terminal has a contact B4; the contact portion of the VCONN terminal has a contact B5; the contact portion of the third data terminal D + has a contact point B6; the contact portion of the fourth data terminal D-has a contact point B7; the contact portion of the second auxiliary terminal SBU2 has a contact point B8; the contact portion of the fourth power terminal has a contact B9; the contacts A8-A5, B5-B8 are in the rear row of contacts A9, B4, A4, B9 and are arranged in a step shape.
Preferably, the four ground terminals include a first ground terminal, a second ground terminal, a third ground terminal and a fourth ground terminal, the four pairs of TX/RX terminals include two pairs of transmitter high-speed data terminals and two pairs of receiver high-speed data terminals, the two pairs of transmitter high-speed data terminals include a transmitting terminal TX1-, a transmitting terminal TX1+, a transmitting terminal TX2+, a transmitting terminal TX2-, and the two pairs of receiver high-speed data terminals include a receiving terminal RX2+, a receiving terminal RX2-, a receiving terminal RX1-, a receiving terminal RX1+, the first ground terminal, the receiving terminal RX2+, a receiving terminal RX2-, the first ground terminal, the transmitting terminal TX1-, the transmitting terminal TX1+, a receiving terminal RX2+, a receiving terminal RX2-, and the second ground terminal are sequentially located at an a-face terminal position, and the third ground terminal, the transmitting terminal TX2+ are sequentially located from left to right, The transmitting terminal TX2-, the receiving terminal RX1-, the receiving terminal RX1+ and the fourth ground terminal are sequentially positioned at the terminal position of the B surface from left to right.
Preferably, the contact portion of the first ground terminal has a contact point a 12; the contact portion of the reception terminal RX2+ has a contact a 11; the contact portion of the reception terminal RX 2-has a contact point a 10; the contact portion of the transmission terminal TX 1-has a contact A3; the contact portion of the transmission terminal TX1+ has a contact a 2; the contact portion of the second ground terminal has a contact point a 1; the contact portion of the third ground terminal has a contact point B1; the contact portion of the transmission terminal TX2+ has a contact B2; the contact portion of the transmission terminal TX 2-has a contact B3; the contact portion of the reception terminal RX 1-has a contact B10; the contact portion of the reception terminal RX1+ has a contact point B11; the contact portion of the fourth ground terminal has a contact B12, a contact A8 to a5, a contact B5 to a contact B8 are in the rear row of the contacts a12 to a6, A3 to a1, B12 to B6, B3 to B1.
The utility model has the beneficial effects that: according to the utility model, by improving the head end structure of the signal terminal, the power supply terminals are longer than the communication line terminal CC, the VCONN terminal and the two groups of D + D-data terminals, namely the first power supply terminal and the second power supply terminal are longer than the first auxiliary terminal, the first data terminal D-, the second data terminal D + and the communication line terminal CC in the upstream direction, the third power supply terminal and the fourth power supply terminal are longer than the VCONN terminal, the third data terminal D +, the fourth data terminal D-and the second auxiliary terminal in the upstream direction, the detection signal communication is stopped, the data transmission is stopped, but the power supply of the bus power supply is not stopped, the problem that the signal is not disconnected in the plugging and unplugging process, the problem that the electric arc is generated in the power supply terminal and the signal terminal is short-circuited to cause the burn-in the unplugging process 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 another perspective view of the present invention.
Fig. 4 is a structure view of a surface a of the conductive terminal of the present invention.
Fig. 5 is a B-side structural view of the conductive terminal of the present invention.
Description of the labeling: 1. an insulating body; 2. a conductive terminal; 3. a shielding housing.
Detailed Description
Referring to fig. 1-5, the present invention relates to a specific structure of a preferred embodiment of the present invention, and a clamping plate type connector with a step-shaped short-circuit preventing terminal comprises an insulating body, a conductive terminal and a shielding shell, wherein the conductive terminal comprises four ground terminals, four pairs of TX/RX terminals, four power terminals, a pair of SBU terminals, two CC terminals, two pairs of USBD +/D-terminals, and the four power terminals are shorter than the four power terminals in the upstream direction and are arranged in a step shape. Four ground terminals are used for cable grounding, four power terminals are used for cable bus power, and two CC terminals are used for plug configuration detection.
The conductive terminals are provided with an A-side terminal position and a B-side terminal position, the four ground terminals comprise a first ground terminal, a second ground terminal, a third ground terminal and a fourth ground terminal, the four pairs of TX/RX terminals comprise two pairs of transmitter high-speed data terminals and two pairs of receiver high-speed data terminals, the two pairs of transmitter high-speed data terminals comprise a transmitting terminal TX1-, a transmitting terminal TX1+, a transmitting terminal TX2+, a transmitting terminal TX2-, the two pairs of receiver high-speed data terminals comprise a receiving terminal RX2+, a receiving terminal RX2-, a receiving terminal RX1-, a receiving terminal RX1+, the four ground terminals comprise a first power terminal, a second power terminal, a third power terminal and a fourth power terminal, the CC terminals comprise a communication line terminal and a VCONN terminal, the two pairs of SBU terminals comprise a first auxiliary terminal and a second auxiliary terminal, and the USBD +/D-terminal comprises a first data terminal D-,/a second terminal, a third terminal and a fourth terminal, The second data terminal D +, the third data terminal D +, the fourth data terminal D-, the first ground terminal GND, the receiving terminal RX2+, the receiving terminal RX2-, the first power terminal, the first auxiliary terminal, the first data terminal D-, the second data terminal D +, the communication line terminal CC, the second power terminal, the transmission terminal TX1-, the transmission terminal TX1+, and the second ground terminal GND are sequentially spaced at a-plane terminal bit from left to right, and the third ground terminal GND, the transmission terminal TX2+, the transmission terminal TX2-, the third power terminal, the VCONN terminal, the third data terminal D +, the fourth data terminal D-, the second auxiliary terminal 2, the fourth power terminal, the receiving terminal RX1-, the receiving terminal RX1+, and the fourth ground terminal GND are sequentially spaced at a-plane terminal bit from left to right.
The transmitting terminal TX1+, the transmitting terminal TX1-, the receiving terminal RX2-, the receiving terminal RX2+, the transmitting terminal TX2+, the transmitting terminal TX2-, the receiving terminal RX1-, the receiving terminal RX1+ are used for high-speed data transmission, the USB3.1 standard is applicable, and the first data terminal D-, the second data terminal D +, the third data terminal D + and the fourth data terminal D-are used for data transmission compatible with the USB2.0 protocol.
The first auxiliary terminal, the first data terminal D-, the second data terminal D +, and the communication line terminal CC of the a-plane are equal in length in the upstream direction to the VCONN terminal, the third data terminal D +, the fourth data terminal D-, and the second auxiliary terminal 2 at positions corresponding to the B-plane, respectively, the first auxiliary terminal, the first data terminal D-, the second data terminal D +, and the communication line terminal CC are arranged in a step shape and are shorter in the upstream direction than the first power supply terminal, the second power supply terminal, the third power supply terminal, and the fourth power supply terminal, and the first data terminal D-, the second data terminal D +, and the communication line terminal CC are shorter in the upstream direction than the first auxiliary terminal.
The contact portion of the first ground terminal GND has a contact a 12; the contact portion of the reception terminal RX2+ has a contact a 11; the contact portion of the reception terminal RX 2-has a contact point a 10; the contact portion of the first power terminal has a contact a 9; the contact portion of the first auxiliary terminal has a contact point A8; the contact portion of the first data terminal D-has a contact a 7; the contact portion of the second data terminal D + has a contact a 6; the contact portion of the communication line terminal CC has a contact a 5; the contact portion of the second power terminal has a contact a 4; the contact portion of the transmission terminal TX 1-has a contact A3; the contact portion of the transmission terminal TX1+ has a contact a 2; the contact portion of the second ground terminal GND has a contact a 1;
the contact portion of the third ground terminal GND has a contact B1; the contact portion of the transmission terminal TX2+ has a contact B2; the contact portion of the transmission terminal TX 2-has a contact B3; the contact portion of the third power terminal has a contact B4; the contact portion of the VCONN terminal has a contact B5; the contact portion of the third data terminal D + has a contact B6; the contact portion of the fourth data terminal D-has a contact B7; the contact portion of the second auxiliary terminal 2 has a contact B8; the contact portion of the fourth power terminal has a contact B9; the contact portion of the reception terminal RX 1-has a contact B10; the contact portion of the reception terminal RX1+ has a contact point B11; the contact portion of the fourth ground terminal GND has a contact B12.
Wherein, the contacts A12, A11, A10, A9, A8, A7, A6, A5, A4, A3, A2 and A1 are positioned on the A face, the contacts B1, B23, B3, B4, B5, B6, B7, B8, B8, B9, B10, B11 and B12 are positioned on the B face, the contacts A8, A7, A6 and A5 are respectively equal in axial length with the corresponding contacts B5, B6, B7 and B8, the contacts A8, A7, A6 and A5 are arranged in a ladder shape and shorter than the contacts A9, B4, A4 and B9,
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: wherein the second ground terminal GND (third ground terminal GND) and the first ground terminal GND (fourth ground terminal GND) are in ground signal communication, the second power terminal and the third power terminal are in current transmission, the communication line terminal CC (VCONN terminal) is in probe signal communication, and the second data terminal D +, the third data terminal D + and the first data terminal D-, the fourth data terminal D-are in data transmission; when the work is finished and the connector is pulled out, the current is easy to be overlarge and burn out due to the fact that the signal is not disconnected and plugged, the structure of the head end of the signal terminal is improved, the communication line terminal CC (VCONN terminal) is shorter than the power supply terminal, when the head end is pulled out, the detection signal communication is stopped, meanwhile, the data terminal is shorter than the power supply terminal, and the data transmission is cut off at the same time. The detection signal and data transmission is disconnected before the bus power supply of the electric connector is disconnected when the electric connector is pulled out, and the problem of burn-in caused by short circuit between an electric arc generated in the process of pulling out the power supply terminal and the signal terminal is solved.
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 (5)
1. The utility model provides a terminal that prevents short circuit is splint formula connector of echelonment, including insulator, conductive terminal and shielding shell, conductive terminal is including four ground terminal, four pairs of TX/RX terminal, four power terminals, a pair of SBU terminal, two CC terminals, two pairs of USBD +/D-terminals, its characterized in that: the pair of SBU terminals, the two CC terminals, and the two USBD +/D-pairs are shorter than the four power terminals in the upstream direction and are arranged in a step shape.
2. A clip type connector in which a terminal for preventing a short circuit is stepped according to claim 1, wherein: the conductive terminals are provided with an A-face terminal position and a B-face terminal position, the four grounding terminals comprise a first power terminal, a second power terminal, a third power terminal and a fourth power terminal, the CC terminals comprise a communication line terminal and a VCONN terminal, one pair of SBU terminals comprise a first auxiliary terminal and a second auxiliary terminal, two pairs of USBD +/D-terminals comprise a first data terminal D-, a second data terminal D +, a third data terminal D +, a fourth data terminal D-, the first power terminal, the first auxiliary terminal, the first data terminal D-, the second data terminal D +, the communication line terminal and the second power terminal are sequentially positioned in the A-face terminal position from left to right, the third power terminal, the VCONN terminal, the third data terminal D +, the fourth data terminal D-, the second auxiliary terminal are sequentially positioned in the B-face terminal position from left to right, the communication line terminal, the VCONN terminal, the first auxiliary terminal, the second auxiliary terminal, the first data terminal D-, the second data terminal D +, the third data terminal D +, and the fourth data terminal D-are arranged behind the first power supply terminal, the second power supply terminal, the third power supply terminal and the fourth power supply terminal in a step shape.
3. A clip type connector in which a terminal for preventing short-circuiting is stepped according to claim 2, wherein: the head ends of the conductive terminals are provided with contact parts, and the contact part of the first power terminal is provided with a contact A9; the contact portion of the first auxiliary terminal SBU1 has a contact a 8; the contact portion of the first data terminal D-has a contact a 7; the contact portion of the second data terminal D + has a contact a 6; the contact portion of the communication line terminal has a contact a 5; the contact portion of the second power terminal has a contact a 4; the contact portion of the third power terminal has a contact B4; the contact portion of the VCONN terminal has a contact B5; the contact portion of the third data terminal D + has a contact point B6; the contact portion of the fourth data terminal D-has a contact point B7; the contact portion of the second auxiliary terminal SBU2 has a contact point B8; the contact portion of the fourth power terminal has a contact B9; the contacts A8-A5, B5-B8 are in the rear row of contacts A9, B4, A4, B9 and are arranged in a step shape.
4. A clip type connector in which a terminal for preventing a short circuit is stepped according to claim 3, wherein: the four ground terminals comprise a first ground terminal, a second ground terminal, a third ground terminal and a fourth ground terminal, the four pairs of TX/RX terminals comprise two pairs of transmitter high-speed data terminals and two pairs of receiver high-speed data terminals, the two pairs of transmitter high-speed data terminals comprise a transmitting terminal TX1-, a transmitting terminal TX1+, a transmitting terminal TX2+, a transmitting terminal TX2-, and the two pairs of receiver high-speed data terminals comprise a receiving terminal RX2+, a receiving terminal RX2-, a receiving terminal RX1-, a receiving terminal RX1+, a first ground terminal, a receiving terminal RX2+, a receiving terminal RX2-, the first ground terminal, the transmitting terminal TX1-, the transmitting terminal 1+, the receiving terminal RX2+, the receiving terminal RX2-, and the second ground terminal are sequentially positioned at an A-face terminal position from left to right, and the third ground terminal, the transmitting terminal TX2+ (TX) is positioned at an A-face terminal position from left to right, The transmitting terminal TX2-, the receiving terminal RX1-, the receiving terminal RX1+ and the fourth ground terminal are sequentially positioned at the terminal position of the B surface from left to right.
5. A clip type connector in which a terminal for preventing short-circuiting is stepped according to claim 4, wherein: the contact portion of the first ground terminal has a contact point a 12; the contact portion of the reception terminal RX2+ has a contact a 11; the contact portion of the reception terminal RX 2-has a contact point a 10; the contact portion of the transmission terminal TX 1-has a contact A3; the contact portion of the transmission terminal TX1+ has a contact a 2; the contact portion of the second ground terminal has a contact point a 1; the contact portion of the third ground terminal has a contact point B1; the contact portion of the transmission terminal TX2+ has a contact B2; the contact portion of the transmission terminal TX 2-has a contact B3; the contact portion of the reception terminal RX 1-has a contact B10; the contact portion of the reception terminal RX1+ has a contact point B11; the contact portion of the fourth ground terminal has a contact B12, a contact A8 to a5, a contact B5 to a contact B8 are in the rear row of the contacts a12 to a6, A3 to a1, B12 to B6, B3 to B1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122048323.6U CN215816492U (en) | 2021-08-28 | 2021-08-28 | Clamping plate type connector with stepped short-circuit-preventing terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122048323.6U CN215816492U (en) | 2021-08-28 | 2021-08-28 | Clamping plate type connector with stepped short-circuit-preventing terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215816492U true CN215816492U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122048323.6U Active CN215816492U (en) | 2021-08-28 | 2021-08-28 | Clamping plate type connector with stepped short-circuit-preventing terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215816492U (en) |
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2021
- 2021-08-28 CN CN202122048323.6U patent/CN215816492U/en active Active
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