Massage armchair back structure device

Abstract

The invention discloses a massage armchair back structure device which comprises a chair back fixing frame and a neck-shoulder fixing frame. The massage armchair back structure device is characterizedin that a trapezoid positioning frame is fixed to the upper edge of the chair back fixing frame, two positioning rings are arranged on the upper edge of the trapezoid positioning frame, and adjustinglock holes are formed in the lower edge of the trapezoid positioning frame; the neck-shoulder fixing frame is U-shaped, two side rods and bottom supporting rods of the U-shaped neck-shoulder fixing frame are fixed by bolts, adjusting racks are fixed to the bottom supporting rods of the U-shaped neck-shoulder fixing frame, the two sides rods of the U-shaped neck-shoulder fixing frame respectivelypenetrate through the positioning rings of the trapezoid positioning frame, the adjusting racks are sleeved by the adjusting lock holes and are mutually meshed with adjusting screws, and the adjustingscrews extend to the outside of a chair back and are provided with handles. The parts of the massage armchair back structure device are firm and reliable in cooperation, and a massage armchair cushion produced by adopting the fixing structure can meet the various demands of a user for size adjustment.

Description

technical field [0001] The invention relates to a massage health care product, in particular to a massage chair back structure device. Background technique [0002] The massage chair cushion can relieve the user's muscle tension and improve the blood supply, thereby effectively relieving fatigue and stretching the muscles and bones, and is welcomed by the majority of physical and mental workers. Existing massage chair cushion generally all comprises two parts of chair back and neck shoulder back cushion, makes it can carry out massage rubbing to back and neck shoulder simultaneously. Such as figure 1 As mentioned above, at present, the connection between the neck and shoulder fixing frame of the massage chair cushion and the chair back fixing frame adopts a ratchet-rack cooperation structure, which is convenient to adjust and reliable in cooperation, but the upper supporting structure of the neck and shoulder fixing frame and the lower rack The connection between them is f...

AI Technical Summary

Problems solved by technology

like figure 1 As mentioned above, at present, the connection between the neck and shoulder fixing frame of the massage chair cushion and the chair back fixing frame adopts a ratchet-rack cooperation structure, which is convenient to adjust and reliable in cooperation, but the upper supporting structure of the neck and shoulder fixing frame and the lower rack The connection between them is fixed, and its replacement remains unchanged, and the type of support structure cannot be flexibly changed according to user needs

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