Telescopic outdoor seat

The utility model discloses a telescopic outdoor chair, which is characterized in that the rear side of the upper end of a chair surface is hinged with a chair back of which the upper end is inclinedbackwards, the rear side of the upper end of the chair surface is provided with an upward limiting plate, and the limiting plate is propped against the limiting plate on the rear side. During use, thelengthening plate is pulled through the pull plate; the magnetic force of the two magnet blocks is overcome; pulley moving on ground, a supporting plate at the upper end of the pulley is used for supporting the lengthening plate; people can sit on the chair, therefore, the length of the chair surface is increased; the number of people sitting on the chair can be increased; furthermore, the supporting plate is positioned on the left side of the lower end of the lengthening plate; supporting force is provided for the left end of the lengthening plate; the right side of the chair back is supported by the chair surface, s