A rotating pivot structure provided in a seat back

Abstract

The utility model relates to the field of automobile seat, concretely discloses a kind of rotary pivot structure being arranged in seat back, including first support plate, second support plate and rotating assembly, rotating assembly includes eccentric rotating shaft and eccentric shaft sleeve, first support plate is equipped with first rotary hole, second support plate is equipped with second rotary hole, eccentric rotating shaft rotates in first rotary hole, eccentric shaft sleeve rotates in second rotary hole, the center of first rotary hole and the center of second rotary hole are not on same axis, eccentric rotating shaft is equipped with eccentric connection hole being arranged eccentric on eccentric rotating shaft, eccentric shaft sleeve is equipped with the cooperation rotary hole being cooperated with eccentric connecting shaft shape, cooperation rotary hole is arranged eccentric. The utility model can be matched with electric angle adjuster to complete the eccentric motion rotation of backrest seat single side by the cooperation of eccentric rotating shaft and eccentric shaft sleeve, and overall structure is simple, and the number of parts is less, process is simple, and assembly step is less.

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