Fixed swivel mount of precious stone for gem refractometer

• Main Author: GONG KEXIN
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a fixed swivel mount of precious stone for gem refractometer, including the fixed unit of support body, plane rotation unit, the fixed unit of precious stone, be equipped with the circumference scale mark on the fixed unit of plane rotation unit or precious stone, the fixed unit of support body is fixed on gem refractometer, the lower surface and the fixed unit upper surface rigid coupling of support body of plane rotation unit, the upper surface and the fixed unit rigid coupling of precious stone of plane rotation unit. The utility model discloses can fix on gem refractometer waiting the precious stone that detects, the rotation angle of the control precious stone that measurement personnel can be accurate when detecting, and then the precision of effectual improvement testing result, measurement personnel is also very convenient in the operation simultaneously. 本实用新型公开了宝石折射仪用宝石固定旋转架，包括架体固定单元、平面旋转单元、宝石固定单元；所述平面旋转单元或宝石固定单元上设有圆周刻度线；所述架体固定单元固定在宝石折射仪上；所述平面旋转单元的下表面与架体固定单元上表面固接；所述平面旋转单元