The utility model relates to related technical field of house car accessories especially, house car side
desk, including mounting bracket, the inner wall rotation of mounting bracket is connected with two rotating shafts, and the surface fixed connection of two rotating shafts has movable table board. The house car side
desk, through the setting of auxiliary
assembly, in use, can utilize auxiliary mechanism under the premise of not influencing movable table board itself available space to increase movable table board's available area, and can separate the space and movable table board, and the convenient placement different object carries out the distinguishing operation, support mechanism can improve the stability when using auxiliary mechanism, will not appear the situation of collapse, in addition through the setting of stabilizing
assembly, can utilize the stable support force dispersion movable table board on object weight for the tensile force of mounting bracket of the vacuum chuck negative pressure adsorption, ensure the stability of movable table board in the use process, will not appear movable table board on the pressure too big leads to the situation that mounting bracket and house car outer surface separate.