Seat frame mechanism capable of adjusting sitting posture

Abstract

The invention relates to a seat frame mechanism capable of adjusting a sitting posture. The mechanism comprises a front shaft, a rear shaft and a movable plate, wherein a forward-bending motor is connected with a lead screw through a forward-bending speed reducer; the lead screw is matched with a nut which is hinged at one end of a rocker; the other end of the rocker and a front downward prop bar are both fixed on the front shaft; the front downward prop bar is hinged with a front upward prop bar which is hinged with one end of the movable plate through a front rotating shaft; the transmission manner of a backward-bending motor is similar to that of the forward-bending motor; a rear prop bar of the backward-bending motor is hinged with a rear connecting rod which is hinged with a triangular swing rod; the triangular swing rod is hinged on a support through a hinge shaft; and the other end of the movable plate is hinged on the triangular swing rod through a rear rotating shaft. The mechanism overcomes the defect that the sitting posture cannot be adjusted as required in the prior art, realizes the functions of leaning forwards, bending backwards, lifting and horizontally moving of seat frames through the design, improves the use comfort, has the advantages of compact structure, convenient posture adjusting and stable operation, and can greatly improve the overall massaging property of a massage chair when combined with the massage chair.

Description

technical field [0001] The invention relates to a seat frame mechanism with adjustable sitting posture. Background technique [0002] Ordinary seat frames, especially those of massage chairs, are generally designed with a fixed and non-adjustable sitting posture. The adjustment of the comfort of the human body after sitting is realized through the continuous change of the sitting posture of the human body. Therefore, to some extent As mentioned above, ordinary seat frames have certain defects in the design of comfort. Contents of the invention [0003] In order to overcome the problem that the ordinary seat frame mechanism in the prior art cannot adjust the sitting posture according to the needs and the comfort of use is not good, the present invention provides a seat frame mechanism with adjustable sitting posture, which has a compact structure design , The sitting posture can be adjusted according to the needs, the operation is stable, and the use is comfortable and saf...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problem that the ordinary seat frame mechanism in the prior art cannot adjust the sitting posture according to the needs and the comfort of use is not good, the present invention provides a seat frame mechanism with adjustable sitting posture, which has a compact structure design , The sitting posture can be adjusted according to the needs, the operation is stable, the use is comfortable and safe

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