Household multi-control fire exit door
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 王浩
- Publication Date
- 2021-01-08
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to the technical field of fire doors, in particular to a family multi-control fire door. Background technique
[0002] In recent years, with the improvement of people's living standards, a large number of buildings have been put into use every year, and a large number of doors are used in buildings. Due to the increasing number of household appliances, aging circuits are prone to fire and cause fires. Many families choose to use doors in their homes. Add fire protection facilities to the building, and use fire door instead of ordinary household door.
[0003] Existing patent (notification number: CN207620648U) a kind of multi-control fire door, its structure includes hinge, connection groove, door frame, automatic fire alarm, fire fire door body, safety bolt, lock groove, handle, connection groove is embedded and installed in On the left side of the door frame, the fire door body is connected to the door frame through a hinge, an...