Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention relates to a middle part of a door central frame, and belongs to the technical field of doors and windows. The middle part comprises a middle portion, a left middle part body and a right middle part body, wherein the left middle part body and the right middle part body are of the completely same structure. The left middle part body comprises a protruding portion, a first arc-shaped portion, a second arc-shaped portion, a third arc-shaped portion, a fourth arc-shaped portion, a fifth arc-shaped portion, an inverted buckling portion, a supporting portion, an extension groove, a first step, a slope, a second step, a middle part side portion and a middle part bottom portion. The first arc-shaped portion, the second arc-shaped portion, the third arc-shaped portion, the fourth arc-shaped portion, the fifth arc-shaped portion and the inverted buckling portion are sequentially connected to form an arc-shaped part. The protruding portion is connected with the first arc-shaped portion. The supporting portion is connected to the inner side of the firth arc-shaped portion and provided with the extension groove. The first step is arranged at the lower portion of the supporting portion. The second step is connected with the first step through the slope. The middle part bottom portion is connected with the middle part side portion. The middle part is reasonable in structure, capable of being repeatedly used, low in cost, safe, reliable and capable of meeting practical requirements of people.
The invention relates to a middle part of a door central frame, and belongs to the technical field of doors and windows. The middle part comprises a middle portion, a left middle part body and a right middle part body, wherein the left middle part body and the right middle part body are of the completely same structure. The left middle part body comprises a protruding portion, a first arc-shaped portion, a second arc-shaped portion, a third arc-shaped portion, a fourth arc-shaped portion, a fifth arc-shaped portion, an inverted buckling portion, a supporting portion, an extension groove, a first step, a slope, a second step, a middle part side portion and a middle part bottom portion. The first arc-shaped portion, the second arc-shaped portion, the third arc-shaped portion, the fourth arc-shaped portion, the fifth arc-shaped portion and the inverted buckling portion are sequentially connected to form an arc-shaped part. The protruding portion is connected with the first arc-shaped portion. The supporting portion is connected to the inner side of the firth arc-shaped portion and provided with the extension groove. The first step is arranged at the lower portion of the supporting portion. The second step is connected with the first step through the slope. The middle part bottom portion is connected with the middle part side portion. The middle part is reasonable in structure, capable of being repeatedly used, low in cost, safe, reliable and capable of meeting practical requirements of people.
Middle part of door central frame
SONG YUEMING (Autor:in)
01.07.2015
Patent
Elektronische Ressource
Englisch
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