Card holder apparatus and electronic device

A card tray and card holder apparatus, applied to an electronic device and comprising a card pressing cover, a detection and ejection mechanism, a circuit board, a card tray, and a card holder, wherein

• the card pressing cover is fastened to the circuit board, a first accommodating space is formed by the card pressing cover and the circuit board, and the card tray and the card holder are both disposed in the first accommodating space;
• the card tray comprises a detection matching portion and a lever matching portion;
• the detection and ejection mechanism is disposed on the card pressing cover, and the detection and ejection mechanism comprises a lever and a detection portion, wherein the lever is rotatably disposed on the card pressing cover, the detection portion is disposed on the card pressing cover, a first end portion of the lever is disposed opposite an ejector pin hole of the electronic device, and a second end portion of the lever is disposed opposite the lever matching portion, wherein the second end portion of the lever is able to rotate with the lever in a first direction and come into contact with the lever matching portion, so as to drive at least part of the card tray to move out of the first accommodating space;
• and
• the detection portion cooperates with the detection matching portion, and the detection portion is configured to detect a card tray state, wherein the card tray state comprises an installed state and a removed state,
• wherein the card tray and card holder apparatus further comprises a protective cover, the protective cover is disposed on the card pressing cover, a second accommodating space is formed by the protective cover and the card pressing cover, and the lever is disposed in the second accommodating space,
• wherein the lever comprises a curved flange, wherein the curved flange is located on an edge of the lever facing away from the lever matching portion, the protective cover comprises an inner supporting side wall, the inner supporting side wall abutting ag e card pressing cover and located on a side of the lever facing away from the ejector pin hole, and the curved flange is in rolling contact with the inner supporting side wall.