Self-locking zero-limiting dial structure

The utility model provides a zero-limiting dial structure with a self-locking function, which belongs to the technical field of gun aiming and comprises a lens body. The thread groove is formed in the circumferential surface of the lens body; the adjusting cover is arranged on the outer side of the mirror body and is in threaded connection with the threaded groove; the fixing groove is fixedly connected to the circumferential inner wall of the adjusting cover, and an eyepiece is fixedly connected into the fixing groove; the adjusting mechanism is arranged in the lens body, when the scale marks need to be adjusted, the adjusting cover is rotated to slide on the surface of the lens body to change the distance of the eyepiece, then the scale marks are adjusted, and the adjusting cover is locked through the adjusting mechanism; and after the scale marks are adjusted, the adjusting cover does not shift to fix the aiming scale marks. 本实用新型提供一种带自锁限零刻度盘结构，属于枪瞄技术领域，该带自锁限零刻度盘结构包括镜身；螺纹槽，螺纹槽开设于镜身的圆周表面；调节盖，调节盖设于镜身的外侧并与螺纹槽