Polyurethane cushion used for locomotive

Abstract

The invention discloses a polyurethane cushion used for a locomotive, and belongs to the technical field of locomotive accessories. The polyurethane cushion comprises a polyurethane seat, wherein thesurface of the top end of the polyurethane seat is provided with two load bearing grooves of which the cross sections are of a circular arc shape; a middle load bearing component tis arranged betweenair bags; a channel is arranged between the air bags; a balance channel is arranged between the upper end of each balance cavity and each air bag, and is provided with a balance pipe; and a nozzle isembedded in each balance pipe. The polyurethane cushion used for the locomotive can adaptively regulate softness and hardness according to different borne weights, and meanwhile, connection parts of the hip and legs can be effectively and fully supported.

Description

technical field [0001] The invention belongs to the technical field of locomotive accessories, in particular to a polyurethane seat cushion for locomotives. Background technique [0002] Trains, bullet trains, high-speed rail and other means of transportation have brought great convenience to people's lives. In actual riding, due to the particularity of means of transport, the riding time is generally longer, making the comfort of riding very important. Directly related to The part that touches the human body is the seat cushion. Traditional cushions are generally made of elastic materials. Although they have good support, the adaptive adjustment performance is not enough. The weight of passengers is different, and the softness and hardness of the seat cushion also need to be adjusted. At the same time Ordinary cushions only support the buttocks of the human body, and less consideration is given to the joints between the buttocks and legs. The lack of support for a long time...

AI Technical Summary

Problems solved by technology

[0002] Trains, bullet trains, high-speed rail and other means of transportation have brought great convenience to people's lives. In actual riding, due to the particularity of means of transport, the riding time is generally longer, making the comfort of riding very important. Directly related to The part that touches the human body is the seat cushion. Traditional cushions are generally made of elastic materials. Although they have good support, the adaptive adjustment performance is not enough. The weight of passengers is different, and the softness and hardness of the seat cushion also need to be adjusted. At the same time Ordinary cushions only support the buttocks of the human body, and less consideration is given to the joints between the buttocks and legs. The lack of support for a long time will easily make the human body feel tired

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