Horizontal pushing type firefighting blank door
A flat-push, fire-fighting technology, used in windows/doors, door/window applications, door/window accessories, etc., can solve problems such as the influence of the thickness of the decorative surface layer, and achieve the effect of small occupied space, simple structure and convenient use.
Active Publication Date: 2020-01-21
DECORATION CO LTD OF CHINA CONSTR 3RD ENG BUREAU
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Abstract
The invention discloses a horizontal pushing type firefighting blank door which comprises first-layer connecting rods, second-layer connecting rods, third-layer connecting rods and a door plank. The two first-layer connecting rods are symmetrically arranged in the vertical direction, the two second-layer connecting rods are symmetrically arranged in the vertical direction, the two third-layer connecting rods are symmetrically arranged in the vertical direction, and the first-layer connecting rods, the second-layer connecting rods and the third-layer connecting rods are arranged in a layered manner from the two sides to the middle portion. The upper side first-layer connecting rod is fixed to a door frame, and the bottom face of the outer end of the upper side first-layer connecting rod isprovided with a first rotating shaft. The upper side second-layer connecting rod is located below the upper side first-layer connecting rod and is connected with a first rotating shaft through a second rotating shaft at the inner end of the upper side second-layer connecting rod, and the bottom face of the outer end of the upper side second-layer connecting rod is provided with a third rotating shaft. The upper side third-layer connecting rod is connected with the third rotating shaft through a fourth rotating shaft which is arranged at the inner end of the upper side third-layer connecting rod. The upper side third-layer connecting rod and the lower side third-layer connecting rod are connected through vertical connecting rods to form an outer frame, and the door plank is arranged on theouter side face of the outer frame. By means of the horizontal pushing type firefighting blank door, the blank door is firstly drawn to disengage from the door frame through rotating and moving of theconnecting rods, then horizontal pushing is conducted to avoid the position, and it is ensured that the opening angle of the firefighting blank door meets the requirements; and the horizontal pushingtype firefighting blank door has the beneficial effects that the structure is simple, use is convenient, the occupied space is small, and the opening angle is large.
Application Domain
Door/window applicationsWing arrangements +2
Technology Topic
Structural engineeringMechanical engineering +1
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