电连接器组合
By using a flexible crimping structure for the plug and socket and a screw fixing method, the connection reliability and stability of the Type-C USB electrical connector are enhanced, solving the problem of unstable connection in the existing technology and achieving higher signal transmission reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN DRAPHO ELECTRONICS TECH
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-17
AI Technical Summary
Existing Type-C USB connectors have poor connection reliability and stability, and are prone to signal transmission instability due to poor soldering or vibration.
It adopts a flexible crimping structure for the plug and socket, and is fixed to the circuit board with screws. Combined with a metal inner shell and fixing cover, it enhances the reliability and stability of the connection.
It improves the overall connection strength and stability of the electrical connector, avoids the problem of unstable soldering, and ensures the reliability of signal transmission.
Smart Images

Figure CN224520262U_ABST
Abstract
Claims
1. An electrical connector assembly comprising a plug and a receptacle matably engaged with each other, said plug comprising an insulating body, an upper row of terminal modules and a lower row of terminal modules held within the insulating body, a metal spacer element interposed between the upper row of terminal modules and the lower row of terminal modules, a metal inner shell mounted on the insulating body, characterized in that: The insulating body has a base, a first mating portion extending forward from the base, and a second mating portion extending rearward from the base. The second mating portion has a mating surface facing the socket. The upper row terminal module and the lower row terminal module have a plurality of rear contact arms exposed on the mating surface. The socket includes a plastic base and a plurality of contact terminals housed in the plastic base. The contact terminals have elastic crimping arms extending upward at an angle. The elastic crimping arms correspond one-to-one with the rear contact arms and are in crimped contact with each other.
2. The electrical connector assembly of claim 1, wherein: The inner metal shell surrounds the periphery of the second docking portion, and the inner metal shell has an annular front shell surrounding the periphery of the second docking portion and an annular rear shell surrounding the periphery of the base portion.
3. The electrical connector assembly of claim 2, wherein: The annular rear housing is provided with a pair of vertically extending side baffles, which cover the two side surfaces of the second docking portion.
4. The electrical connector assembly of claim 3, wherein: The socket also includes a pair of fixing members fixed to both ends of the plastic base. The plastic base of the socket has a bottom wall, a pair of end walls located at both ends of the bottom wall, and a plugging space between the bottom wall and the end walls. The fixing members are located at both ends of the plugging space and abut against the side baffle of the plug.
5. The electrical connector assembly of claim 4, wherein: The fastener is plate-shaped and has a limiting part and a mounting part that protrudes downward from the bottom of the limiting part. The limiting part is wider than the mounting part, and a buckle protrusion protruding towards the insertion space is formed on the inner surface of the limiting part.
6. The electrical connector assembly of claim 5, wherein: The end wall is provided with a slot for accommodating the fastener and an opening through the slot. The opening is formed on the inner wall surface of the end wall and faces the insertion space. The buckle protrusion extends into the opening and abuts against the side baffle.
7. The electrical connector assembly of claim 6, wherein: The bottom wall has several upward-facing channels that extend through the insertion space. The contact terminal has a horizontal extension arm and a welding arm of the plastic base extending from the rear end of the horizontal extension arm. The elastic crimping arm extends obliquely upward from the front end of the horizontal extension arm, protruding from the channel and entering the insertion space to crimp and contact the rear contact arm.
8. The electrical connector assembly of claim 7, wherein: The metal spacer element has a base plate, a plurality of grounding arms protruding rearward from the rear edge of the base plate, and a shielding plate extending forward from the base plate. The grounding arms are distributed between the plurality of rear contact arms, and the distance between two adjacent grounding arms is greater than the distance between two adjacent rear contact arms.
9. The electrical connector assembly of claim 1, wherein: The first docking part is a docking tongue plate, which is flat and is flush with the second docking part in the vertical direction.
10. The electrical connector assembly of any one of claims 1 to 9, wherein: The electrical connector assembly also includes a metal retaining cover, which includes a front cover covering the plug and a rear cover covering the socket. Both sides of the front cover and the rear cover are provided with a pair of outwardly bent and protruding wings, and the wings are provided with fixing holes for fixing to a circuit board.