A rolling shutter door lock

Abstract

The invention discloses a ground lock for a rolling shutter door, which comprises a housing, wherein a locking rod is installed in the housing, and an insertion hole is provided on both sides of the locking rod on the upper end surface of the housing, and the housing Correspondingly, each socket is provided with a cover plate for opening or closing the socket, and the two cover plates at the two sockets are hinged and fixed on the housing, and each cover plate is provided with The side panels extending downward, each side panel is provided with a groove, and at least two support frames are provided under the two cover panels, and each support frame includes a first support plate and a second support plate. The support plate, the upper end of the first support plate on the same support frame abuts against the side plate of one of the cover plates, and the upper end of the second support plate on the same support frame is inserted into the groove of the side plate on the other cover plate, By adopting the above structure, the present invention provides a ground lock for a rolling door that can effectively prevent accidents caused by people stepping on the cover plate by mistake.

Description

technical field [0001] The invention relates to a lock, in particular to a lock for a rolling door. Background technique [0002] At present, the lockset on the rolling door generally includes a door lock installed on the door body and a ground lock fixed on the ground. The ground lock mainly includes a ground lock housing and a lock bar arranged in the ground lock housing. The door lock mainly includes The door lock housing, the door lock housing is correspondingly provided with a plug-in part that is inserted into the ground lock housing when it is locked. The plug-in part specifically includes two plug-in pins. A lock that is locked and matched with the lock rod is installed, so in order to facilitate the insertion of the two plug pins, the upper end surface of the ground lock housing is provided with a socket on both sides of the lock rod, and the ground lock housing Correspondingly, a cover plate for opening or closing the jack is provided at each jack. However, in th...

AI Technical Summary

Problems solved by technology

However, in the prior art, each cover plate is independently opened and closed, that is, as long as the cover plate is pressed, the cover plate will be opened, and because the ground lock is installed on the ground, at the same time, the jack and the cover The plate is correspondingly located on the upper end surface of the ground lock housing, so it is easy for people to step on the ground lock by mistake when passing by the ground lock, and once the cover plate is stepped on, the cover plate will be opened, so it is especially suitable for those who wear high-heeled shoes For females, once their heels step on the cover, after the cover is opened, the heels will pass through the socket and fall into the ground lock housing, which will easily cause people to lose their balance in an instant and fall down, which poses a safety hazard

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