Highness control device of desk and chair's for astudent

摘要

District elevator of the subject innovation desks and chairs, to adjust the height of desks and chairs, and to determine the height of desks and chairs in more convenient and easier through habuji attention upper check ball, control the fixing pin installed in the elevator sphere adjustment sphere body side is controlled obtain If it does not exit out of the body up to be able to adjust the height of desks and chairs, as well as there is no fear of lost in the user's carelessness,; In the height is adjusted state of desks and chairs with a drive, such as tool by contact with the tip end of the fixing bolt screwed into the lower end outer peripheral edge of the upper holding habuji note the inner periphery, the height that the lower end of the adjustable upper holding may further fixed once it is capable of ensuring the stability height adjustable ward use.; The elevator sphere adjustment sphere body (2 fixed installation the elevator tool 1 for adjusting the height of desks and chairs between the elevator phrase, the lower holding 100 and the upper holding 200 of the desks and chairs of the subject innovation desks and chairs, and ) in the elevator of the desks and chairs hayeoseo configured to control the fixing pin (3) on one side, obtain the adjustment fasteners (female thread 7 and the fixing bolts 8 to the lower end of the control sphere body 2, 3) is installed, It will cost the hayeoseo installation.