Press-type card withdrawing mechanism and detector

The utility model discloses a push-type card withdrawing mechanism and a detector, and the mechanism comprises a card withdrawing button which is provided with a driving end; the card withdrawing rotating shaft group is matched with the driving end of the card withdrawing key, and the card withdrawing key drives the card withdrawing rotating shaft group to move through the driving end; the card withdrawing rotating shaft group is provided with an ejector pin contacted with the insertion end of the test card, the driving end of the card withdrawing key drives the card withdrawing rotating shaft group to rotate, and the rotation of the card withdrawing rotating shaft group is converted into the horizontal movement of the ejector pin along the length direction of the test card so as to drive the test card to be separated from the card insertion structure. According to the card retreating mechanism, the card retreating rotating shaft group is driven by the card retreating key to rotate so as to be converted into