Explosion -proof seat of on -edge column type lift adjustable

The utility model provides an explosion -proof seat of on -edge column type lift adjustable belongs to seat technical field. The problem that the back of the chair that it had solved current seat wasadjusted around can't realizing on a large scale. This explosion -proof seat of on -edge column type lift adjustable, including seat main part and stand, the stand is located one side of seat main part and sets up side by side with the seat main part, have on the stand and to follow stand gliding slider from top to bottom, it can be with the locking mechanical system of its location on the stand after the slider slides from top to bottom along the stand to have between slider and the stand, seat main part and slider fixed connection. Back portion in this structure seat main part can realize the front and back and adjust on a large scale, avoids the prior art middle standing pillar to set up the problem that limits the back adjustable of portion at the rear side of seat main part to the seat main part is only passe