Patent ID: 9746162
Date: 2017-08-29
CPC Classifications: F21K,F21V,F21Y

Claim:
1. A light emitting diode (LED) bulb comprising: a connecting body having a first end, a second end opposite to the first end, and an outer circumferential surface interconnecting between the first end and the second end; a lamp cap located at the first end of the connecting body; a mounting base spaced from the lamp cap and located at the second end of the connecting body; a plurality of LED modules mounted on the mounting base; and a sheath assembled to the second end of the connecting body, the sheath comprising a first portion and a second portion, the first portion having a top portion and a bottom portion facing away from the top portion, the second portion detachably engaged with the first portion to cooperatively define an enclosed space enclosing the mounting base and the LED modules in the sheath; wherein a ring-shaped groove is defined in the outer circumferential surface of the connecting body and located between the first end and the second end of the connecting body, the bottom portion of the first portion of the sheath is engaged and fixed in the ring-shaped groove, thereby causing a portion of the outer circumferential surface positioned between the second end and the ring-shaped groove to be enclosed in the enclosed space, and causing a remaining portion of the outer circumferential surface positioned between the ring-shaped groove and the first end to be exposed outside the enclosed space, and the second portion is engaged and fixed at the top portion of the first portion.