The invention discloses an adjustable headrest device used for a
wheelchair. The adjustable headrest device comprises a headrest part, a headrest moving part and a headrest adjusting part, wherein theheadrest moving part is arranged at the rear end of the headrest part, and the headrest adjusting part is arranged at the
tail end of the headrest moving part. The headrest part comprises a middle block and side blocks which are arranged on the two sides of the middle block, a depression fitting for the head of the
human body is formed in the middle block, and the side blocks are each of a protruding structure. The adjustable headrest device has the advantages that a three-layer structure is adopted by the headrest part, a hard skeleton providing strong support is arranged on the
internal layer, a soft PU foaming or
sponge structure is adopted by the middle layer, and the external layer is of a soft leather or
textile structure making contact with the
human body. It is comfortable for a user to lean against the headrest device, the structure is simple, the design is reasonable, and the headrest device is light; the headrest device is conveniently disassembled and installed on the
wheelchair; the user can easily adjust the installation form of the headrest structure used for the
wheelchair, convenience is brought to more wheelchair users,
physical fatigue brought by long-time sitting is relieved, the comfort level of the head is improved, the
life quality of using the wheelchair is improved, the installation width and the installation height of a headrest can be adjusted according to actual needs, and the headrest device is convenient to use.