Container door lock

Abstract

The invention discloses a container door lock which comprises a lock body and a lock box. The lock body comprises a lock core, a lock seat, an upper hinged rod, a lower hinged rod, an upper lock rod,a lower lock rod and a lock cover tightly fixed on a door plate, the bottom of the lock core penetrates through a lock core hole of the lock cover till a lock head of the lock core abuts against the outer side surface of the lock cover, an upper end horizontal plate of the lock cover is provided with an upper direction guiding hole allowing the head portion of the upper lock rod stretching out, and a lower end horizontal plate of the lock cover is provided with a lower direction guiding hole allowing the head portion of the lower lock rod stretching out; and the lock box comprises a lock box body, an upper lock plate and a lower lock plate, the upper lock plate is provided with an upper position-limiting hole allowing the head portion of the upper lock rod inserting into, the lower lock plate is provided with a lower position-limiting hole allowing the head portion of the lower lock rod inserting into, and a cover plate of the lock box body is provided with a key hole allowing a specialized key inserting into. According to the container door lock, by means of the manner that the upper lock rod and the lower lock rod of the lock body are fixed at two ends, the lock box welded on a lock rod of the container is made to limit the rotation of the lock rod of the container, so that locking of the door plate is realized, and abnormal opening of the door plate is further prevented.

Description

technical field [0001] The invention belongs to the technical field of containers, and in particular relates to a container door lock. Background technique [0002] The existing common mortise door lock mainly adopts the deadbolt limit method, the lock core is usually exposed, and one key corresponds to open one lock. When running on the railway, the amount of railway equipment is very large, and a lot of keys will be carried when using it. At the same time, the railway equipment operates in a wide range, and it is possible to stop all over the country. The handover of keys is very difficult. It is easy to cause the door lock to be difficult to open, and it cannot prevent man-made damage and abnormal opening of the door lock. Contents of the invention [0003] The object of the present invention is to provide a container door lock that is energy-efficient and anti-theft and can use a special railway key. [0004] In order to achieve the above purpose, the container door ...

AI Technical Summary

Problems solved by technology

[0002] The existing common mortise door lock mainly adopts the bolt limit method, the lock cylinder is usually exposed, and a key corresponds to open a lock

When running on the railway, the amount of railway equipment is very large, and a lot of keys will be carried when using it. At the same time, the railway equipment operates in a wide range, and it is possible to stop all over the country. The handover of keys is very difficult. It is easy to cause the door lock to be difficult to open, and it cannot prevent man-made damage and abnormal opening of the door lock

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