Angle adjustable sleeper waist rest capable of being rapidly retracted
An angle-adjusting and fast technology, applied in sleeper appliances, railway car body parts, seats, etc., can solve the problem that the cushion angle cannot be adjusted steplessly and the cushion position can be quickly restored.
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[0042] refer to Figure 1 to Figure 6 , as shown in the figure, a quick-recovery adjustable-angle sleeper lumbar support includes a backboard 1 and a bottom board 2. The upper side of the bottom board 2 and the upper side of the backboard 1 are hinged by a butterfly hinge, so that the The backboard 1 can rotate around the butterfly hinge relative to the bottom plate 2; the present invention also includes: a drive mechanism 3, the drive mechanism 3 is fixed on the bottom plate 2, and the drive mechanism 3 is used to drive the backplane 1 to rotate relative to the bottom plate 2; The retracting mechanism, the quick retracting mechanism acts on the driving mechanism 3, which is used to retract the backplane 1 to the initial position. Passengers can adjust the inclination angle of the lumbar support according to their own comfort requirements when riding on the sleeper with the above-mentioned driving mechanism 3; when the passenger needs to restore the lumbar support, the lumbar ...
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