Synchronous unlocking mechanism for oppositely-opened handrails

The utility model belongs to the field of automobile handrails, and particularly relates to a synchronous unlocking mechanism for oppositely-opened handrails, which comprises a button assembly, a locking mechanism in direct forward contact with the button assembly, and a rotating shaft base for accommodating the locking mechanism, the button assembly comprises a button, a button transmission support connected with the button and a button installation support matched with the button and the button transmission support, the locking mechanism comprises a right spring bolt and a left spring bolt, one end of the right spring bolt and one end of the left spring bolt are lock hooks, the other end of the right spring bolt and the other end of the left spring bolt are lock arms, and a rotating shaft is arranged in the middle of the rotating shaft base. A right torsion spring and a left torsion spring are sleeved on two sides of the rotating shaft base, the right spring bolt and the left spring bolt are respectively cl