Automatic tensile desk

The utility model discloses an automatic tensile desk, it includes that table leg and two intervals fix the direction horizontal pole at the table leg top, is equipped with the desktop structure on two direction horizontal poles, the desktop structure includes middle part desktop board and two lateral part desktop boards, the middle part of two direction horizontal poles is equipped with supporting platform, the last elevating system that is equipped with of supporting platform, middle part desktop board is fixed on elevating system to do the elevating movement by the elevating system drive, the bottom of two lateral part desktop boards is fixed with tensile frame respectively, two tensile frames respectively through guide rail swing joint between the both ends of two direction horizontal poles, and two tensile frames are driven by respective power tension mechanism respectively and do the extensional motion. The utility model discloses during the use, the tensile function of automatic control desktop changes the size of desktop, satisfies the demand that the user is different. The utility model has the advantages of simple structure, simple to use, low in production cost.