A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Novel door frame
The invention discloses a novel door frame, comprising a frame body including vertical framing parts and transverse framing parts. The inner wall of each vertical framing part is provided with a protrusion, and an upper protrusion is of S-shaped structure and includes an inner groove and an outer groove. The inner wall of each transverse framing part is provided with a protrusion A, a front protrusion B is of S-shaped structure and includes an inner groove A and an outer groove A. Intersections of the vertical and transverse framing parts are provided with bolt holes. The inner side of the frame body is also provided with a reinforcing board between the upper and lower protrusions. A seal strip is disposed in the outer groove of each vertical framing part. Each seal strip is hollow inside. Two top edges of each seal strip are arc edges. The outer wall of each seal strip is further provided with a semicircular protective edge. The outer groove A of each transverse framing part is also internally provided with a seal strip. In total, the novel door frame is reasonable in design structure, low in manufacturing cost, convenient to mount, long in service life, collision proof and lower in parts consumption.
Novel door frame
The invention discloses a novel door frame, comprising a frame body including vertical framing parts and transverse framing parts. The inner wall of each vertical framing part is provided with a protrusion, and an upper protrusion is of S-shaped structure and includes an inner groove and an outer groove. The inner wall of each transverse framing part is provided with a protrusion A, a front protrusion B is of S-shaped structure and includes an inner groove A and an outer groove A. Intersections of the vertical and transverse framing parts are provided with bolt holes. The inner side of the frame body is also provided with a reinforcing board between the upper and lower protrusions. A seal strip is disposed in the outer groove of each vertical framing part. Each seal strip is hollow inside. Two top edges of each seal strip are arc edges. The outer wall of each seal strip is further provided with a semicircular protective edge. The outer groove A of each transverse framing part is also internally provided with a seal strip. In total, the novel door frame is reasonable in design structure, low in manufacturing cost, convenient to mount, long in service life, collision proof and lower in parts consumption.
Novel door frame
ZHANG HUAIQIN (author) / ZHANG FENGLEI (author) / XIA SHIWANG (author)
2015-12-02
Patent
Electronic Resource
English
IPC:
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
/
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
DOOR FRAME, DOOR FRAME CONSTRUCTION METHOD, AND SLIDING DOOR DEVICE EQUIPPED WITH DOOR FRAME
| European Patent Office | 2021