Coupler structure for automobile

A static car hook structure is applied to changing the using situation of a static car and includes two relative erected walls equipped with a plurality of adjustable shelves, and a plurality of static car hook structures are installed between the two erected walls and the adjustable shelves; a static car hook structure includes a first guide slot mounted on one erected wall and provided with a first end and a second end which is higher than the first end; a second guide slot mounted on one side of the first guide slot includes a third end and a fourth end which is higher than the third end and is flush with the second end; a first cell guide and a second cell guide are mounted in a queue on one side of the adjustable shelf, which are respectively taken in the first guide slot and the second guide slot; when the first cell guide slides to the second end and the second cell guide slides to the fourth end, the adjustable shelf lies in the horizontal condition for storing items. Owing to the balance between the two cell guides and the two guide slots is achieved by the lever principle, the stability can last without changing for fixing items stably.