Height -adjustable's ceiling fan

The utility model discloses a height -adjustable's ceiling fan, telescopic link and fan including fixed connection, the telescopic link includes sleeve, female connection spare and lead screw, female connection spare fixed connection be in the sleeve inner wall, the lead screw with female connection spare threaded connection, the sleeve sets up a plurality of through -holes no. 1, set up on the lead screw with a through -hole assorted screw hole, through -hole no. 1 sets up fixing bolt no. 1 with threaded hole. The utility model discloses a set up driven lead screw of screw thread and female connection spare, set up fixing bolt no. 1 moreover between sleeve and lead screw, effectively improve the structural stability of telescopic link. 本实用新型公开了种高度可调的吊扇，包括固定连接的伸缩杆和风扇，所述伸缩杆包括套筒、内螺纹连接件和丝杆，所述内螺纹连接件固定连接在所述套筒内壁，所述丝杆与所述内螺纹连接件螺纹连接，所述套筒设置多个通孔，所述丝杆上设置与所述通孔相匹配的螺纹孔，所述通孔和螺纹孔内设置固定螺栓。本实用新型通过设置螺纹传动的丝杆和内螺纹连接件，而且在套筒和丝杆之间设置固定螺栓，有效提高伸缩杆的结构稳定性。