Seesaw

The utility model discloses a seesaw that the people that can supply different weight played, it includes that the middle part articulates the crossbeam on the stand, handrail and bedplate symmetry set up at crossbeam both ends, characterized by the crossbeam include outer crossbeam, cup joint the interior crossbeam in the crossbeam outside, be equipped with the fastening device in the crossbeam including the installation on the link of outer crossbeam and interior crossbeam, still be equipped with the bar groove on the interior crossbeam, be equipped with at least one lock screw who corresponds with the bar groove on the outer crossbeam, bar groove and fastening device threaded connection are passed to lock screw one end, the utility model discloses simple structure, through the size of adjusting the arm of force, application lever principle makes both sides balanced, has increased the interest of recreation, makes people's very light playing together of two kinds of different weight, has improved children's security performance, and the crossbeam leptoprosopy is installed on the stand, is difficult for bending, can effectual increase of service life.