An arc-shaped lock, comprising a base (1), a slide adjustment block (6), a screw (2) and a curved surface adjustment block (7), a slide rail (52) is provided on the base (1), and a first slide groove (61) fitted with the slide rail (52) is provided on the slide adjustment block (6); two ends of the screw (2) are mounted on the base (1); the sliding adjustment block (6) is provided with a threaded hole fitted with the screw (2); The curved surface adjustment block (7) comprises an arc surface, the arc surface is provided with a second slide groove (71), the second slide groove (71) is helically provided on the arc surface, and the sliding adjustment block (6) is provided with a protruding block (62) fitted with the second slide groove (71). Further disclosed is a display screen, comprising the arc-shaped lock, and further comprising a first box body and a second box body, the base (1) of the arc-shaped lock is provided on the first box body, and the curved surface adjustment block (7) is connected to the second box body. The arc-shaped lock and the display screen have a simple structure and are easy to operate, achieving high adjustment accuracy.
展开▼
