Warning device disposed on a top of an umbrella

Abstract

A warning device disposed on a top of an umbrella comprises a base, an LED unit and a transparent cap. The base is formed in a lower end thereof with an accommodation space flexibly expanding downwards, on an upper end of the base is formed an outer threaded portion, and in a top surface of the upper end of the base is formed a concave space for placement of the LED unit. The transparent cap is formed in a lower end thereof with an inner threaded hole to be screwed with the outer threaded portion of the base, and a concave portion is formed upwards from the inner threaded hole. The transparent cap is further formed with plural protrusions on an upper end thereof.

1 . A warning device disposed on a top of an umbrella comprising a base, a LED unit, and a transparent cap;
 the base being formed in a lower end thereof with an accommodation space flexibly expanding downwards, on an upper end of the base being formed an outer threaded portion, in a top surface of the upper end of the base being formed a concave space for placement of the LED unit;   the transparent cap being formed in a lower end thereof with an inner threaded hole to be screwed with the outer threaded portion of the base, an concave portion being formed upwards from the inner threaded hole, the transparent cap being formed with plural protrusions on an upper end thereof.   
     
     
         2 . The warning device disposed on a top of an umbrella as claimed in  claim 1 , wherein the accommodation space is axially formed on an inner surface thereof with plural spaced flanges, the plural spaced flanges offer an anti-slip function when a protruding portion at the top end of the umbrella is inserted into the accommodation space. 
     
     
         3 . The warning device disposed on a top of an umbrella as claimed in  claim 1 , wherein the base is pre-formed with a hole for installation of a ring.