Different-axis rotary shearing energy-absorbing aero seat

A technology of rotary shearing and aviation, which is applied in the field of aviation passenger seats, can solve the problems of being unable to pass through, unable to produce energy-absorbing effects, passenger damage, etc., and achieve the effect of avoiding interference
CN110697052AActive Publication Date: 2020-01-17湖北航宇嘉泰飞机设备有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
湖北航宇嘉泰飞机设备有限公司
Publication Date
2020-01-17

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Abstract

The invention discloses a different-axis rotary shearing energy-absorbing aero seat which comprises a chair basin, a side plate, a backrest, a connecting plate, a shearing pin, a shearing ring and a driving mechanism. The side plate is fixed on the left side or the right side of the chair basin; the lower end of the backrest is hinged to the rear side of the chair basin, and the hinged axis of thebackrest and the chair basin is a first axis; the first end of the connecting plate is hinged to the side plate, the second end of the connecting plate is hinged to the backrest, the shearing ring isarranged at the third end of the connecting plate, and the hinged axis of the first end of the connecting plate and the side plate is a second axis; when the backrest bears large inertia and inclinesforwards, the backrest rotates relative to the side plate with the first axis as the rotating axis, in the process, the shearing ring is torn open by the shearing pin, the rotating axis of the backrest and the axis of the shearing ring are staggered through the structure, and meanwhile interference of a linkage structure on stress of the shearing ring is avoided.
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Description

technical field

[0001] The invention relates to the technical field of aviation passenger seats, in particular to an off-axis rotating and shearing energy-absorbing aviation seat. Background technique

[0002] At present, an airline passenger seat includes a seat pan, a side plate, a backrest, a connecting plate, a shear ring and a driving mechanism, the side plate is fixed on the left or right side of the seat pan, and the backrest is arranged on the chair pan. On the rear side of the basin, one end of the connecting plate is hinged to the side plate, the other end of the connecting plate is hinged to the rotating shaft of the backrest, and the drive mechanism is used to drive the connecting plate to rotate relative to the side plate, thereby Drive the backrest to tilt forward or backward. This mechanism can realize the linkage between the chair pan and the backrest. The rotating shaft of the backrest and the shearing ring are coaxially arranged. The above-mentioned sheari...

Claims

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