Lighter

The utility model relates to a lighter, which comprises a casing, a middle frame, and a head cover hinged with the casing, wherein, the head cover is sheathed and covered on the middle frame; a body member is arranged in the casing; a locking pin is arranged on the middle frame; a locking block matched with the locking pin is movably assembled in the inner side of the head cover; the locking block is connected with a knob at the outside of the head cover by a shaft; an inner concave locking slot is arranged on the locking block; one end of the locking slot is positioned at the center of the locking block, and a notch on the other end is flushed with the periphery of the locking block. The utility model overcomes the defects of a locking device of a lighter of the prior art of complicated design, high production cost, and cockamamie opening operation. By the design, when the lighter is used, the knob must be rotated first to enable the notch of the locking slot to upward aim at the locking pin, and then the head cover can be opened to normally ignite. Thus, the utility model can limit the abnormal operation of children to a certain extent, and has the advantages of simple structure, reliable locking, convenient assembly, and low cost.