Patent ID: 8600095
Filing Date: 2013-12-03
Classification: H04R

Abstract:
1. An earphone with a movable push rod structure comprising: a housing, a sound-emitting unit assembled inside the housing, and a sound duct connected to the sound-emitting unit for sound transmission, and an earplug connected to the sound duct; an air duct is assembled on the housing for flow of air inside and outside the earphone; and a movable push rod is assembled inside the housing and connected with the housing for adjusting air flow condition of the air duct; wherein the air duct is located on a place of the housing where is beside a cavity formed by the sound duct and the sound-emitting unit; wherein there is a groove on one side of the housing; wherein the push rod is L-shape; wherein a bulge is arranged on one side of the L-shape push rod along direction perpendicular to the groove; wherein, the one side is close to the groove, and on the other side of the L-shape push rod, there is a block extending along direction parallel to the groove for sealing the air duct; wherein an area of the block's surface that close to the air duct is larger than a cross-sectional area of the air duct; and wherein there is a notch on the bulge, and size of the notch matches the groove, and the push rod slides through the notch along the groove and a slide rail.