Plain type lighting fixture

The utility model discloses a plain type lighting fixture, including line box and lamp holder, its characterized in that: the section bar of line box for having the cavity, the both ends of line box are equipped with the draw -in groove that is used for installing the lamp holder, it is equipped with the mounting hole on the surface and hangs a groove, the lamp holder simultaneously be equipped with bayonet lock and couple, the another side is equipped with closed baffle, the bayonet lock of lamp holder corresponds with the draw -in groove of line box each other, and couple that the lamp holder was established corresponds with the groove that hangs on line box surface each other, with the both ends structure of line box set to can the direct mount lamp holder draw -in groove and hook structure, simplified the supporting annex of lighting fixture by a wide margin, can also the directness during installation regard the line box as the mounting bracket, therefore, not only the lighting fixture structure is very simplified, moreover the installation also become very swift, the lamp holder also is favorable to the packing transportation with the detachable structure of line box very much, to the spoilage of lighting fixture accessory in the effectual reduction transportation.