A self-locking door lock for toilets on high-speed rail

Abstract

The invention relates to the field of high-speed rail accessories, in particular to a self-locking door lock for toilets on high-speed rail, including a main lock plate and a secondary lock plate, the inner wall of one side of the secondary lock plate is connected with a motor through bolts, and the end of the motor output shaft is passed through The key and the keyway are connected with the first gear, and the two sides of the inner wall of the secondary lock plate are welded with bearings, and the inside of the two bearings are respectively connected with the first shaft and the second shaft, and the end of the first shaft is connected to the key through the key. The keyway is connected with the second gear, the outer side of the second shaft is welded with the main rotating part, and the outer wall of the main rotating part is welded with a connecting paddle, and the end of the second shaft is connected with the third gear through the key and the keyway, The side of the inner wall of the auxiliary lock plate close to the second shaft is connected to the limiting member through bolts. The push paddle of the present invention pushes the pressing plate, the lock piece makes the lock plate push the lock cylinder to lock, the connecting paddle pulls the push plate back, and the push paddle above the auxiliary rotating part pulls back to the main lock plate and the auxiliary lock In the board, it realizes self-locking and unlocking, which is convenient to use.

Description

technical field [0001] The invention relates to the field of high-speed rail accessories, in particular to a self-locking door lock for toilets on high-speed rail. Background technique [0002] High-speed railway, referred to as high-speed railway, refers to the railway system with high infrastructure design speed standards, which can be used by trains to run safely and at high speed on the track. High-speed railways are usually equipped with toilets, and high-speed railway toilets are generally set at the end of each carriage. [0003] Chinese Patent No. CN201822236061.4 provides a fast self-locking door lock device for oil drilling rigs, including a lock frame body assembly fixed on the door frame. The lock frame body assembly includes a U-shaped ring fixed on the door frame. A cross bar a and a cross bar b are respectively arranged between the two ring arms, and a lock ring is arranged in the U-shaped ring. [0004] In the above-mentioned patent of CN201822236061.4, self...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a self-locking door lock for toilets on high-speed railways, to solve the problem of pressing the handle to unlock in the above-mentioned background technology, which is not convenient and intelligent enough, and requires manual operation to complete, and some door lock structures are not stable enough. The problem that the internal components are easy to be damaged when the door is closed and locked

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