A portable sample area setting try square

• Main Authors: REN QINGSHENG, XIN YING, ZHAO YUSEN, LIU SHUANGJIANG, WANG LIHONG, ZHANG MAOZENG, CHEN XI
• Format: Patent
• Language: English
• Published: 22.07.2015
• Subjects: GYROSCOPIC INSTRUMENTS; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING DISTANCES, LEVELS OR BEARINGS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SURVEYING; TESTING

The utility model discloses a portable sample area setting try square comprising two identical try square modules. The try square modules are cuboids. One end of each try square module is provided with a projection; a slit forms in the middle of the projection; a wire duct is arranged in a side surface of and the try square module and a central axis of the end which is provided with the projection. The two wire ducts form a right angle in a portion connecting the two surfaces. Each wire duct goes through the slit in the middle of the projection; a surface, opposite to the side surface provided with the wire duct, is provided with a groove; the groove is close to the projection; and the groove is matched with the projection in terms of shape. The projection of one try square module can be tightly inserted into the groove of the other try square module, so that the wire ducts of the two try square modules are connected to form a right angle. The side surfaces, adjacent to the side surfaces provided with the wire ducts, are provided with bubble type level meters. The beneficial effects of the portable sample area setting try square of the utility model are that the portable sample area setting try square is simple in structure, and is detachable and portable.