Ruler core structure of steel tape

The utility model discloses a tape core structure of a steel tape, which comprises a first end cover, a second end cover and a sleeve piece connecting the first end cover and the second end cover, the second end cover and the sleeve piece are integrally formed, and buckling claws are uniformly distributed on the end face of the rear end of the sleeve piece in the circumferential direction. A buckling groove matched with the buckling claw in shape is formed in the first end cover in a penetrating mode. According to the ruler core structure provided by the utility model, only one side of the sleeve piece, which is provided with the second end cover, is provided with the flanging structure, and the other side of the sleeve piece is matched with the first end cover through the buckling claw. Therefore, the whole ruler core structure is very easy to demould, and the difficulty of mould design is greatly reduced. 本实用新型公开了钢卷尺的尺芯结构，包括第一端盖、第二端盖和连接第一端盖和第二端盖的套筒件，所述第二端盖和所述套筒件一体成型，在所述套筒件后端的端面的圆周方向均匀分布有扣爪，在所述第一端盖上贯穿有与扣爪形状匹