Adjustable lip opening device

The invention provides an adjustable lip opening device, and relates to the technical field of oral medical equipment. Comprising an upper supporting body, a lower supporting body and a main support, an upper vertical through groove and a lower vertical through groove are formed in the inner side of the main support, and the upper supporting body and the lower supporting body are in sliding connection with the upper vertical through groove and the lower vertical through groove respectively; one end of the upper support body and one end of the lower support body respectively penetrate through the upper vertical through groove and the lower vertical through groove and are positioned on the outer side of the main bracket; compared with the prior art, the device is simple in structure, convenient to use, capable of reducing discomfort of opening the lips of a patient and avoiding damage to the lips of the patient, and high in adaptability. 本发明提出了一种可调节的口唇撑开装置，涉及口腔医疗设备技术领域。包括：上支撑体、下支撑体和主支架，主支架的内侧设置有上竖直通槽和下竖直通槽，上支撑体