1. A PCB motherboard based on the car driving recorder. The inner bottom wall of the house is fixed with a rod. The surface of the support rod is fixed with a tray. On the surface connected to the pores, the surface of the support rod is inserted with the inner insertion of the pores, the inner wall of the passing hole is opened with a curved groove, the left side of the support rod is opened with telescopic grooves, and the right inner wall of the telescopic slot is fixed. Spring, the left end of the spring is fixed with positioning, the left end of the positioning and the inner card of the arcuate groove of positioning, the top of the support rod is opened with a ring groove, the inner activity of the ring groove is connected to the slider, the upper surface of the slider fixes connecting connections. There are arc-shaped rods, the lower surface of the curved rod overlaps the surface of the motherboard.

2. The inner bottom wall of the housing is fixed with a bracket with two brackets.

3. The tops of the two brackets are fixed to the limited seat, and the interior of the two limited seats is connected to the lower left and lower right corners of the motherboard.

4. There is a card slot on the lower surface of the motherboard, the inner card of the card slot is connected to the card, and the lower surface of the card is fixed with the upper surface of the tray.

5. The left end of the sales positioning is arc design.