A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention provides a blade of a venetian blind, the blade comprises two through holes, the hole wall of each through hole is provided with a first wall surface, a second wall surface and two end surfaces, the end surfaces are connected with the front end and the rear end of the first wall surface and the second wall surface, and the front end and the rear end of the first wall surface respectively protrude to form a first tooth and a second tooth towards the second wall surface. The distance between the tooth peak of the first tooth and the second wall face and the distance between the tooth peak of the second tooth and the second wall face are both smaller than the rope diameter of the pull rope, the front end and the rear end of the second wall face respectively protrude out of a third tooth and a fourth tooth towards the first wall face, and the third tooth and the fourth tooth are staggered with the first tooth and the second tooth. The distance between the tooth peak of the third tooth and the first wall face and the distance between the tooth peak of the fourth tooth and the first wall face are both smaller than the rope diameter of the pull rope. Therefore, the blade provided by the invention can effectively limit the continuous expansion of the rope loop, so that the safety in use is improved.
本发明提供了一种百叶窗帘的叶片，该叶片包含二穿孔，各穿孔的孔壁具有一第一壁面、一第二壁面及二端面，这些端面连接第一、第二壁面的前后二端，第一壁面的前后二端朝第二壁面各自凸伸出一第一齿和一第二齿，第一齿的齿峰至第二壁面之间的距离和第二齿的齿峰至第二壁面之间的距离皆小于拉绳的绳径，第二壁面的前后二端朝第一壁面各自凸伸出一第三齿与一第四齿，第三、第四齿与第一、二齿相互错开，第三齿的齿峰至第一壁面之间的距离和第四齿的齿峰至第一壁面之间的距离皆小于拉绳的绳径。借此，本发明的叶片可以有效限制绳圈持续扩大，以增加使用上的安全性。
The invention provides a blade of a venetian blind, the blade comprises two through holes, the hole wall of each through hole is provided with a first wall surface, a second wall surface and two end surfaces, the end surfaces are connected with the front end and the rear end of the first wall surface and the second wall surface, and the front end and the rear end of the first wall surface respectively protrude to form a first tooth and a second tooth towards the second wall surface. The distance between the tooth peak of the first tooth and the second wall face and the distance between the tooth peak of the second tooth and the second wall face are both smaller than the rope diameter of the pull rope, the front end and the rear end of the second wall face respectively protrude out of a third tooth and a fourth tooth towards the first wall face, and the third tooth and the fourth tooth are staggered with the first tooth and the second tooth. The distance between the tooth peak of the third tooth and the first wall face and the distance between the tooth peak of the fourth tooth and the first wall face are both smaller than the rope diameter of the pull rope. Therefore, the blade provided by the invention can effectively limit the continuous expansion of the rope loop, so that the safety in use is improved.
本发明提供了一种百叶窗帘的叶片，该叶片包含二穿孔，各穿孔的孔壁具有一第一壁面、一第二壁面及二端面，这些端面连接第一、第二壁面的前后二端，第一壁面的前后二端朝第二壁面各自凸伸出一第一齿和一第二齿，第一齿的齿峰至第二壁面之间的距离和第二齿的齿峰至第二壁面之间的距离皆小于拉绳的绳径，第二壁面的前后二端朝第一壁面各自凸伸出一第三齿与一第四齿，第三、第四齿与第一、二齿相互错开，第三齿的齿峰至第一壁面之间的距离和第四齿的齿峰至第一壁面之间的距离皆小于拉绳的绳径。借此，本发明的叶片可以有效限制绳圈持续扩大，以增加使用上的安全性。
Blade of venetian blind
百叶窗帘的叶片
CHEN BAIYU (author)
2023-08-04
Patent
Electronic Resource
Chinese
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