Lock transmission bar structure

The utility model relates to a lock transmission bar structure which comprises a locking bar, wherein the locking bar is of a banded structure which is formed by sequentially clamping a plurality of automatic splicing bars from left to right; a shifting bar is arranged on the middle part of the locking bar; the two ends of the locking bar are respectively provided with a lock catch; a raised tail end is arranged outside each lock catch; a preformed hole is formed in each of the two ends of the locking bar, and the inner end of each lock catch is inserted into the corresponding preformed hole; a wavy band is arranged at each of the left and right ends of each automatic splicing bar. The lock transmission bar structure has the beneficial effects that the shifting bar is arranged on the middle part of the locking bar, and can be used for shifting the locking bar to move up and down; the lock catches are arranged at the two ends of the locking bar, so that the aim of locking a door or a window is fulfilled; each