Tension spring lock for grain depot sealing window and grain depot sealing window

The utility model relates to a tension spring lock for a grain depot sealing window and the grain depot sealing window, and belongs to the technical field of grain depot accessories. Wherein an opening is formed in one end of the lock shell, a tension spring is arranged at the bottom end in the lock shell, the other end of the tension spring is connected with a pin and a spring bolt, the pin is connected with a large plug, a sliding groove is formed in one side corresponding to the pin and the lock shell, a locking slope is arranged at the end, away from the tension spring, of the spring bolt,and a roller support is correspondingly arranged at the opening end. The window sash pressing device is simple in structure, capable of pressing a window sash on a window frame, reliable in pressingand good in sealing performance. 本实用新型涉及一种粮库密封窗用拉簧锁及粮库密封窗，属于粮库配件技术领域。包括锁壳，锁壳一端开口，锁壳内底端设有拉簧，拉簧另一端连接柱销和锁舌，柱销连接大插头，对应柱销，锁壳一侧开设滑动槽，锁舌远离拉簧的一端设有锁紧斜面，锁壳开口端对应设有滚轮支架，锁紧斜面与滚轮支架相配合设置。本实用新型结构简单，能够将窗扇压紧在窗框上，压紧可靠，密封性好。