He heaved a pile of parcels onto Harry's camp-bed...In some trepidation, Harry opened the last parcel on his camp-bed (GF10)
"I could kip on a camp-bed" (GF16)
U.S.: cot. The prefix “camp” used in this way means “folding and portable” (NSOED).
In the U.K., a "cot" is what people in the U.S. would refer to as a crib - that is, a bed for a baby.