Patent ID: 9140417
Filing Date: 2015-09-22
Classification: F21L,F21V,F21Y

Abstract:
1. A dual-lens zooming flashlight, comprising; a lamp cap, a cylinder body, a luminous element, and two plano-convex lenses, wherein the lamp cap is sleeved at the front part of the cylinder body, rotated together with the cylinder body and connected with the cylinder body in a relatively telescopic manner, the two plano-convex lenses are both arranged in such a manner of being perpendicular to an optic axis in front of the luminous element, wherein the first plano-convex lens is fixedly arranged at the front end of the cylinder body and keeps a constant distance from the luminous element, and the second plano-convex lens is arranged at the front end of the lamp cap and capable of moving backwards and forwards in relation to the luminous element along with rotary telescopic motion of the lamp cap and the cylinder body, wherein the inner cavity of the cylinder body is divided into a front section and a rear section, wherein a lamp holder for fixing the luminous element is arranged on the front section, a battery compartment is arranged on the rear section, the luminous element is arranged on the lamp holder, the first plano-convex lens is arranged in front of the luminous element, and the first plano-convex lens and the lamp holder are compressed and fixed by a lens locking ring, and wherein a convex ring which is abutted against the front end of the cylinder body is formed at the front part of the lamp holder, the outer surface of the convex ring and the outer surface of the front part of the lamp holder are provided with external threads, an internal thread corresponding to the external thread on the front part of the lamp holder is arranged on the inner wall of the front end of the cylinder body, and the lamp holder is arranged inside the cylinder body by means of threaded connection and is limited by end face fit of the convex ring and the cylinder body.