1 results about "Whiplash" patented technology

The invention discloses a seat headrest, a seat and a vehicle. The seat headrest comprises a headrest body, a pushing part and a locking assembly, the headrest body is provided with a pillow leaning part and a supporting part, the supporting part is used for supporting the pillow leaning part, and the pillow leaning part can move in the front-back direction relative to the supporting part; the pushing part is connected between the supporting part and the pillow leaning part and is used for forwards pushing the pillow leaning part to move relative to the supporting part; the locking assembly is connected between the supporting part and the pillow leaning part, the locking assembly has a locking state and an unlocking state, in the locking state, the locking assembly locks the pillow leaning part to prevent the pillow leaning part from moving relative to the supporting part, and in the unlocking state, the locking assembly unlocks the pillow leaning part to allow the pillow leaning part to move relative to the supporting part. According to the seat headrest, when a rear-end collision accident occurs, the injury probability of the neck can be reduced, the anti-whiplash performance is improved, safety and comfort can be both considered, and the user experience is good.