H point jig used for determining car seat H point

The utility model provides an H point jig used for determining a car seat H point. The H point jig comprises a rectangular coordinate three-stage guide rail which comprises a primary guide rail, a secondary guide rail and a final guide rail. Each stage of guide rail is provided with ruler scales. The secondary guide rail is slidingly arranged on the primary guide rail. The final guide rail is slidingly arranged on the secondary guide rail. The final guide rail is sheathed with a cursor. At least two support legs are directly or indirectly connected with the primary guide rail. According to the utility model, each stage of guide rail is provided with the ruler scales; by using the coordinate value, which is relative to a measurement datum point, of the H point provided by design personnel, the position, which is relative to the measurement datum point, of the H point is directly determined; the installation and the adjustment are simple, and take about 5 to 10 minutes to complete for one people; installation a