Sofa with internal manually lifted headrest

Abstract

The invention discloses a sofa with internal manually lifted headrests. The sofa comprises rubber pads, a base, cushions, armrests, headrests, hand wheels, worms, guide rods, first bearings, filteringnets, a heat radiation fan, air inlets, a refrigerating piece, heat radiation pieces, a heat radiation plate, heat conduction columns, air outlets and rotating shafts, wherein the rubber pads are correspondingly arranged at the bottom of the base; the armrests are arranged on two sides of the base; one end of a worm penetrates through an armrest and is connected with a partition plate in the center inside the base through a second bearing; the other ends of the worms are fixed with the hand wheels in a welded manner; the worms are meshed with worm gears; the rotating shafts are fixed at the bottoms of the worm gears in the welded manner; the bottoms of the rotating shafts are connected with the inner wall of the bottom of the base through the first bearings; threaded sleeves are fixed atthe tops of the turbines in the welded manner. The sofa is not only simple and convenient to operate since the headrests can be lifted manually, but also capable of radiating heat and cooling down, and thus is relatively comfortable to use in summer.

Description

technical field [0001] The invention relates to the technical field of sofa equipment, in particular to a sofa with a built-in manual lifting pillow. Background technique [0002] A type of upholstered furniture, a sofa is an upholstered, multi-seat chair with armrests on either side. It originated from Western countries, and then introduced to Asia, becoming one of the key points of Western-style decoration or modern home design. The frame is a chair made of wood or steel lined with cotton wool and other foam materials, which is more comfortable overall. [0003] The existing sofa is inconvenient to adjust the height of the pillow. At the same time, in the hot summer, the dry hot air causes the sofa in the house to be hot, and the buttocks are hot and sweaty when sitting on the sofa. The whole body is uncomfortable, which affects rest and work and affects health. Sofas with built-in manual lift pillows and cooling are a must. Contents of the invention [0004] The obje...

AI Technical Summary

Problems solved by technology

[0003] The existing sofa is inconvenient to adjust the height of the pillow. At the same time, in the hot summer, the dry hot air causes the sofa in the house to be hot, and the buttocks are hot and sweaty when sitting on the sofa. The whole body is uncomfortable, which affects rest and work and affects health. Sofas with built-in manual lift pillows and cooling are necessary

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