Straight rib type automatic opening and closing umbrella rib structure

Abstract

The invention discloses a straight rib type automatic opening and closing umbrella rib structure which comprises a middle rod, a lower nest, a double-layer integrated upper nest, an umbrella rib support, a pulley assembly and an umbrella handle control assembly, wherein the double-layer integrated upper nest is formed by combining an upper layer nest and a lower layer nest; the umbrella rib support is composed of a plurality of umbrella skeletons; the umbrella handle control assembly for controlling opening and closing of an umbrella; the umbrella skeleton comprises a supporting rib, an umbrella folding tension spring, a foldable short rib and a long rib, wherein the foldable short rib is formed by combining an inner short rib and an outer short rib; and the pulley assembly comprises a pulley, a pulley base and a pull wire. According to the straight rib type automatic opening and closing umbrella rib structure, through the arrangement of the upper nest, the umbrellaribstructure and the pulley assembly, when the umbrella is used, the lower nest drives the supporting ribs to pull the umbrella closing spring, and the foldable short ribs formed by combining the inner short ribs and the outer short ribs are linked, so that the purpose of effectively shortening the moving stroke of the lower nest when the umbrella is opened and closed is achieved; the umbrella handle key device can be set conveniently, and a solid foundation is laid for realizing automatic umbrella opening and closing; and the straight rib type automatic opening and closing umbrella rib structure has the characteristics of stable structure, convenience in opening and closing, quickness in opening and closing, safety and convenience and the like.

Description

technical field [0001] The invention relates to an umbrella structure, in particular to a straight-bone type automatic retractable umbrella rib structure. Background technique [0002] Umbrella is a tool that provides a cool environment or shelter from rain and snow. It is an indispensable article in life. It has been continuously improved and invented to make it more convenient to use and carry. Umbrellas are generally composed of umbrella cloth and umbrella ribs. The straight-bone type automatic opening and retracting rib structure on the market generally can only satisfy one of automatic opening and automatic retraction when opening and retracting the umbrella, but cannot realize both automatic opening and automatic retracting of the umbrella. . This is because when the umbrella is opened and closed, the lower nest of the existing straight-bone rib structure has a longer moving stroke than the upper nest, which causes the stroke of the pull wire to be equally long, and ...

AI Technical Summary

Problems solved by technology

The straight-bone type automatic opening and retracting rib structure on the market generally can only satisfy one of automatic opening and automatic retraction when opening and retracting the umbrella, but cannot realize both automatic opening and automatic retracting of the umbrella.

This is because when the umbrella is opened and closed, the lower nest of the existing straight-bone rib structure has a longer moving stroke than the upper nest, which causes the stroke of the pull wire to be equally long, and the umbrella handle button device for automatically opening the umbrella cannot setting, but unable to achieve the intended purpose of automatically opening and closing the umbrella

Images