Flange face nut

The utility model discloses a flange face nut, the flange piece inner chamber outside is equipped with the recess, groove inner cavity bottom coupling spring one end, the tip at the convex body is connected to the spring other end, flange piece medial surface is equipped with the nut body, the outer end upper portion of nut body is equipped with first stay, the outer end lower part of nut body is equipped with the second stay, the locking ring is cup jointed in first stay and the activity of second stay lateral surface, locking ring lateral surface upper portion is equipped with locking device, the utility model discloses simple structure, it is locking that to move the mode various, and it is locking that to move the effect splendid. 本实用新型公开了种法兰面螺母，所述法兰片内腔外侧设有凹槽，所述凹槽内腔底部连接弹簧端，所述弹簧另端连接在凸体的端部，所述法兰片内侧面设有螺母本体，所述螺母本体的外端上部设有第锁紧片，所述螺母本体的外端下部设有第二锁紧片，所述第锁紧片和第二锁紧片外侧面活动套接锁紧环，所述锁紧环外侧面上部设有锁紧装置，本实用新型结构简单，防松动方式多样，防松动效果极佳。