Abstract: A packaging-optimized detachable sofa includes a backrest support, two armrest frames, a seat cushion frame, a footrest, and a folding mechanism, where the folding mechanism includes two link assemblies; the two link assemblies are respectively detachably provided at inner sides of the two armrest frames; the seat cushion frame is detachably provided at middle inner sides of the two link assemblies; the two link assemblies each include one end detachably connected to a bottom end of the backrest support and the other end detachably connected to the footrest; the armrest frames are respectively covered by armrest skins; when the packaging-optimized detachable sofa is in a storage state, each component is disassembled from the folding mechanism; and the folding mechanism each are placed in accommodating spaces covered by the armrest skins at sides of the armrest frames.

Abstract: A removable headrest for a gaming chair includes a headrest arranged on the top of a chairback of the gaming chair. The headrest includes a headrest frame, a headrest bottom support frame, and a headrest padding. The headrest frame and the headrest bottom support frame are tightly connected. The chairback includes a chairback frame, a chairback top support frame, and a chairback covering. The chairback frame, the chairback top support frame, and the headrest are all arranged in the chairback covering. An installation plate is arranged on the headrest bottom support frame, and the installation plate extends to the outside of the headrest padding. The installation plate and the chairback top support frame are respectively provided with installation holes matched with each other, and the installation plate and the chairback top support frame are tightly connected through the installation holes. The headrest frame and the chairback frame are smoothly connected.