Back auxiliary frame of can formula of lifting standing up

The utility model discloses a back auxiliary frame of can formula of lifting standing up, including setting up in the first support group and second support group, link group and back spare of two sides in the closestool, two sides of this back spare are formed with pin joint portion respectively and turn over the portion of lifting, and the pin joint of pin joint portion is organized in first support, turn over the portion of lifting and are close to second support group, and during the use, direct the turning over according to pin joint portion and first support group side direction of the portion of lifting of turning over of back spare is lifted, can vacate the space and supply the toilet lid to open and shut, but first support group and second support group and fifty percent discount and expansion are connected to this link group, can supply first support group and second support group to fold up and strut and stand, generally speaking, need not remove the whole auxiliary frame of standing up of organizi