Automobile seat headrest and automobile

Abstract

The invention discloses an automobile seat headrest and an automobile, and relates to the technical field of automobile seats. The automobile seat headrest comprises a headrest body, a headrest rod, arotating shaft bracket, a rotating shaft, a connecting plate, balancing weight, a ratchet wheel, a pawl shaft, a pawl disc and a reset spring, wherein a bottom of the headrest body is provided with agroove; one end of the headrest rod is connected with a seat, and the other end of the headrest rod is arranged in the groove; the rotating shaft bracket is arranged on one side of the headrest rod and is arranged in the groove; the rotating shaft is arranged on the rotating shaft bracket and is rotatably connected with the rotating shaft bracket; the connecting plate is connected with the rotating shaft and the headrest body; the balancing weight is arranged on the connecting plate; the ratchet wheel is arranged on the rotating shaft; the pawl shaft is arranged on one side of the rotating shaft, is parallel to the rotating shaft and is connected with the rotating shaft bracket; the pawl disc is arranged on the pawl shaft in a sleeving mode and rotatably connected with the pawl shaft, anda pawl matched with the ratchet wheel is arranged on the pawl disc; and one end of the reset spring is connected with the pawl shaft, and the other end of the reset spring is connected with the pawldisc. According to the headrest, the headrest body can actively rotate relative to the headrest rod during collision, a neck protection capacity is improved, and the headrest is simple in structure and low in cost.

Description

technical field [0001] The invention belongs to the technical field of car seats, and more specifically relates to a car seat headrest and a car. Background technique [0002] The competition in the automotive industry is becoming more and more fierce. Collision safety has become an important part of the product competition of various OEMs. As an important component that is in direct contact with the occupant, the seat plays an important role in safety protection. [0003] Seat neck injury protection is an important indicator of seat safety performance. Although existing seats can provide a variety of comfortable use positions, in the event of a collision, especially a rear-end collision, the comfortable use position of the headrest cannot be used. It provides good neck injury protection, so the active headrest has become one of the important means to improve the neck protection ability. At present, the existing active head restraints are often complex in structure, high in...

AI Technical Summary

Problems solved by technology

[0003] Seat neck injury protection is an important indicator of seat safety performance. Although existing seats can provide a variety of comfortable use positions, in the event of a collision, especially a rear-end collision, the comfortable use position of the headrest cannot Provides good neck injury protection, so the active headrest has become one of the important means to improve neck protection

At present, the existing active head restraints are often complex in structure, high in cost, and heavy in weight, which increases the cost and weight of the vehicle

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