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AUTOMATIC CLOSING APPARATUS FOR DOOR AND AUTOMATIC CLOSING DOOR APPARATUS WITH THE SAME
AUTOMATIC CLOSING APPARATUS FOR DOOR AND AUTOMATIC CLOSING DOOR APPARATUS WITH THE SAME
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机译：自动关门装置和具有该自动关门装置的自动关门装置
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摘要
The present invention relates to a door closing apparatus and an automatic closing door apparatus having the same. More specifically, according to an embodiment of the present invention, the door closing apparatus is installed in a door which is rotated by one side as an axis and has a protruding unit formed to protrude in at least one end portion of the side, provided to be fixated to a door frame connected to the door, and comprises: a fixing plate fixedly formed in the door frame, and formed for the protruding unit to penetrate therethrough; a housing unit of which a lower surface is coupled at a position corresponding to an upper surface of the fixing plate, wherein the protruding unit is inserted into the inside; an elastic member inserted into the housing unit, wherein one end portion is fixated to the protruding unit; and an elastic member fixing unit formed to protrude on a lower surface of the housing unit, and fixing the other end portion of the elastic member. The elastic member is provided with an elastic force in a direction opposite to an opening rotating direction of the door.
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