Door closer for glass door hardware accessories

The door closer can automatically close or fix the opened door leaf in a certain position, which is a kind of spring-like hydraulic pressure. After opening, close to the initial position accurately and timely. . Some have the function of hinges, and some have fire resistance. The main varieties are floor springs, door top springs, door slingshots, door stoppers, door chucks, magnetic door suction heads, etc.

① Ground spring: also known as the ground dragon. Installed on the lower part of the door and window. It is made of gray cast iron, carbon steel, spring steel, cast steel, etc., and then assembled.
②Door top spring: an automatic door closing device that uses the elastic force of a clockwork spring or a coil spring to close the door leaf. There is a buffer cylinder inside, which can reduce the closing speed.
③Door slingshot: It is punched from low-carbon strip steel and is equipped with a low-carbon cold-drawn steel ejector rod, which uses elastic force to close the door.
④Door brake: a simple locator that brakes the door leaf and avoids the collision between the door leaf and the wall. Installed on the outer lower corner of the door leaf, the door leaf can be positioned at any angle. ⑤Door chuck: Fix the appliance to open the door. It consists of a knife-edge base and a triangular steel leather chuck. There are horizontal and vertical. The base is cast in grey cast iron; the chuck is made of spring steel with a blued surface.
⑥ Magnetic door suction head: The function is the same as that of the door clip door and Window Hardware head. The door leaf is fixed by the suction force of the permanent magnet, and there is no noise during use.