| 摘要 |
The present invention relates to a mouthpiece for a breathalyzer, and more specifically, to a mouthpiece for a breathalyzer capable of checking the amount of breath being blown into the mouthpiece by a driver. To this end, the mouthpiece for a breathalyzer comprises: a body (20) in which breath flows through one end and the other end, respectively, and a breath inlet (22) and a breath outlet (24) are formed so as to communicate with each other; and a measuring device insertion portion (30) which is protruded on the outer circumferential surface of one side of the body (20) and is inserted into a breathalyzer (10), and the mouthpiece for a breathalyzer further comprises: a transparent hollow breath checking portion (40) provided vertically in the lengthwise direction of the body (20) on the outer circumferential surface of the other side of the body (20); a breath movement hole (50) for communicating the breath check portion (40) and the body (20), thereby moving the inflow breath through the breath inlet (22) into the breath checking portion (40); and a breath checking ball (60) provided capable of being moved up and down inside the breath checking portion (40), which is ascended by the inflow breath into the breath checking portion (40) through the breath movement hole (50). |
