Window lock with self-locking function

Abstract

A window lock with a self-locking function comprises a lock body device and a lock catch device. The lock body device comprises a static rod, a driving assembly, a movable rod, a spring bolt assemblyand a lock point assembly. The spring bolt assembly comprises a first connecting rod and a sliding groove. The sliding groove is located in the static rod, the first connecting rod is arranged on thestatic rod and connected with the movable rod, a lock box and a spring bolt are arranged in the sliding groove, the lock box is fixedly connected with the first connecting rod, a spring is arranged between the lock box and the spring bolt, a spring bolt hole is formed in the first connecting rod, and the spring bolt is clamped in the first connecting rod through the spring bolt hole. The lock catch device and the spring bolt assembly are correspondingly arranged. The lock catch device comprises a panel, wherein a sliding block and a cushion block are arranged on the two sides of the panel respectively, the cushion block is fixedly connected with the sliding block and can slide on the panel, and a tension spring is arranged between the cushion block and the panel. The window lock has the advantages of being simple in structure, reasonable in design, capable of guaranteeing automatic locking after a window sash is closed, free of influence on use in a normal state and the like.

Description

technical field [0001] The invention relates to a window lock, in particular to a window lock with self-locking function. Background technique [0002] Fire-resistant windows refer to windows that, together with the frame, can meet the requirements of fire-resistant stability and fire-resistant integrity within a certain period of time. Fire-resistant windows should be used when lighting and ventilation are required on the outer walls of two buildings with insufficient fire separation distance, or between spaces separated by firewalls. At present, it is required in the industry that the fire-resistant windows can be automatically locked when they are on fire. The existing plastic-steel fire-resistant windows can only function when the windows are closed when they are on fire, and cannot realize self-locking after the sash is automatically closed. Contents of the invention [0003] The purpose of the present invention is to solve the deficiencies of the prior art. The pres...

AI Technical Summary

Problems solved by technology

At present, it is required in the industry that the fire-resistant window can be automatically locked when the window is on fire. The existing plastic-steel fire-resistant window can only function when the window is closed when the fire is on fire, and it cannot realize the self-locking after the window sash is automatically closed.

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