Bulb shield with strong impact resistance

The utility model relates to the technical field of bulbs. The utility model discloses a bulb shield with high impact resistance. Mounting box, mounting plates are fixedly connected to the left side and the right side of the mounting box; an annular groove is formed in the inner wall of the mounting box; movable blocks are movably connected to the left side and the right side of the interior of the annular groove. Sliding rods are fixedly connected to the opposite sides of the two movable blocks; the opposite ends of the two sliding rods are fixedly connected through a connecting plate. Limiting grooves are formed in the left side and the right side of the bottom of the connecting plate; springs are fixedly installed on the inner walls of the two limiting grooves, limiting plates are fixedly connected to the bottoms of the two springs, the bottoms of the two limiting plates are fixedly connected through a protective cover, and sliding grooves are formed in the positions, located on theleft sides and the right