Card support waterproof device and electronic equipment

The utility model provides a card holder waterproof device and an electronic device. The card holder waterproof device comprises a housing, a card holder movably arranged on the housing, and an elastic washer sleeved on the card holder. An accommodating cavity and a guide channel are arranged in the shell; the card support extends into the accommodating cavity through the guide channel; the elastic washer comprises a base body part and an elastic part, and the elastic part protrudes out of the surface of the base body part and is arranged at the end, close to the containing cavity, of the base body part; a gap is formed between the base body part and the inner wall of the guide channel, and the elastic part seals the gap. According to the card support waterproof device, the guide channel can be sealed through the elastic part to realize waterproofness, and the elastic part is propped against the inner wall of the guide channel, so that the waterproof effect is better; in addition, the elastic part is arranged