This part is called the "door catch".

The door catch, also commonly known as the door bumper, is also a device that holds and positions the door leaf after it is opened to prevent the door leaf from closing due to wind blowing or touching it.

Door catches are divided into two types: permanent magnet door catches and electromagnetic door catches. Permanent magnet door catches are generally used in ordinary doors and can only be controlled manually; electromagnetic door catches are used in electrically controlled door and window equipment such as fire doors. , with both manual control and automatic control functions.

Ordinary permanent magnet door catches are divided into wall-mounted and floor-mounted types according to the installation form, and plastic and metal types according to the material;

Electromagnetic door catches are installed according to different door catch installation methods. Products are divided into three categories: CT-01 wall type, CT-02 floor type, and CT-03 chain type. Wall-type electromagnetic door absorbers are divided into standard type, increased type, extended type, boxed type, and concealed type according to different structures. type, long-arm type, etc.; the floor-type electromagnetic door catch is composed of CT-01 wall-type electromagnetic door catch and right-angle ground mounting bracket; the chain-type electromagnetic door catch is composed of CT-01 wall-type electromagnetic door catch and chain fastener; due to CT -01 wall type, CT-02 floor type, and CT-03 chain type electromagnetic door suction bodies are interchangeable, making it easy for users to choose according to on-site installation conditions.

Extended information

The biggest use of door suction is to prevent the door from closing due to external forces such as air flow or accidental human contact. Unexpected door closing often leads to two problems: being locked out; or injuring someone who is entering or exiting the door.

The door suction device needs to prevent damage during transportation. When cleaning, try not to wet the metal plated parts. First use a soft cloth or dry cotton gauze to remove dust, then wipe with a dry cloth and keep it dry. Do not use colored cleaners or use force to damage the surface layer.

Reference materials? Door stopper