Umbrella structure is received to inside opening of well stick

The utility model provides an umbrella structure is received to inside opening of well stick, at least includes stick in first well stick and the second, still includes tooth spare, the last tooth spare of honeycomb is located including the lower tooth spare of locating excellent lower part in first to tooth spare, and locates tooth spare and densmedius spare between the tooth spare and that establish ties with the last tooth spare and a plurality of of tooth spare meshing down, every densmedius spare includes a N unit, and N more than or equal to 2, every unit include that the oblique fan body is three -dimensional with always, and the lower level of the fan body is connected with the base of the body upright and constitutes tooth to one side, and upward tooth of constitution no. 1 is connected to the higher authority and the topside of upright personally experiencing sth. Part of the body of adjacent unit of the fan body to one side, a N unit uses the centre of a circle of fanning the body to one side to form end -to -end connection's densmedius spare as dot, circular array, and the top of densmedius spare has the individual tooth of going up of N, and the lower part of densmedius spare has the individual tooth down of N, the output shaft of lower tooth spare and driving source, the driving source makes to be between the adjacent tooth spare and meshes or the state of strutting through tooth spare drive densmedius spare rotation down. This simple structure is novel, smooth and easy just easy maintenance opens and shuts.