Examples from the Web for doorframe
When the other actors came boiling up behind him, he put his hands on the doorframe to either side so none of them could get past.No Great Magic|Fritz Reuter Leiber
Something came twisting forward to hit the doorframe, it dropped just inside the doorjamb.
You be as easy as ye can be with him, Joe 268 Stagg, groaned the carpenter, hanging to the doorframe.Carolyn of the Corners|Ruth Belmore Endicott
He crouched low, poised to spring, with his nose just beyond the doorframe.
Peter hit the door with the heel of his foot and slammed it open by splintering the doorframe.