Firm type lock mounting structure of car light

The utility model relates to a firm type lock mounting structure of car light, the car light includes lamp body, lamp lid, lamp holder and display screen, the installation pterygoid lamina that the lock tube of lock was made sets up to radial, the mount pad of making in the lamp body is for making perpendicularly, and a quadrangular is made to the lock tube bottom of lock, and the rear portion system on the lamp body mount pad has the four axial arris grooves of an upper shed, and the quadrangular of lock tube inlays the dress with four arris grooves of lamp body. The utility model discloses the installation pterygoid lamina of making the lock cover is become radially by the axial, and the lock mount pad of making the lamp body is become perpendicularly by the level, has realized the perpendicular installation of lock cover in the lamp body from this, the lock tube bottom sprag quadrangular shape of lock to the system has one or four arris grooves on the mount pad of lamp body, can restrict the lock tube in the rotation of four arris inslots from this, has also further strengthened the stability of lock simultaneously.