The present invention relates to a "smile metering bracket" for fixing a laughing gas meter to a bracket of a dental lamp post, comprising a base and a clamp； the fixture includes a body, the body has a U-shape, One side of the body is a fixed plate, and the movable body is internally provided with a screw member passing through the body, and the screw member can be used for adjusting the distance between the movable plate and the fixed plate. Thereby, the purpose of fixing the laughing gas meter to the dental lamp post can be achieved by using the jig, and the usability can be effectively improved.本創作係有關於一種「笑氣計量錶用支架」，該用以將笑氣計量錶固定於牙科燈柱之支架，包括有一底座與一夾具；該夾具包括有一本體，該本體呈ㄇ字形，其中一側為一固定板，該本體內部設置有一活動板，該活動板外部連結有一穿經該本體之螺件，該螺件能用以調整該活動板相對於固定板之間距。藉此，利用該夾具能達成將笑氣計量錶固定於牙科燈柱之目的，能有效增進使用便利性。
