Tensioning type umbrella

Abstract

The invention provides a tension type umbrella. The umbrella comprises an umbrella top, umbrella ribs, an umbrella handle, a middle column rod, an umbrella cover and ropes. The umbrella top is arranged at the upper end of the middle column rod; the umbrella ribs are hinged to the circumference of the umbrella top; and the umbrella cover is arranged on the umbrella ribs. An outer sleeve sleeves theoutside of the middle column rod; the upper end and the lower end of the outer sleeve are provided with an upper sleeve and a lower sleeve respectively, and the umbrella handle is arranged on the lower sleeve. The ropes are divided into a long group and a short group, and the long ropes are connected with the end points of the umbrella ribs and the upper sleeve like inclined ropes with star-shaped tensioning integral structures and used for dragging the umbrella ribs to unfold. The short ropes are connected with the positions, close to the umbrella top, of the umbrella ribs and the upper sleeve, like radial ropes with star-shaped tensioning integral structures and used for limiting the unfolding radius of the umbrella ribs. The tension type umbrella has the advantages of being light in weight, small in number of structural components, high in unfolding reliability and the like; more importantly, the limitation of a spring is eliminated, rapid unfolding and folding can be achieved onlythrough small-displacement driving, and a problem that an umbrella body is complex in structure can be effectively solved when the tension type umbrella is applied to the field of straight rib umbrellas.

Description

technical field [0001] The invention relates to a tension umbrella, which belongs to the field of daily necessities. Background technique [0002] The traditional straight bone automatic umbrella relies on the elasticity of the main spring to open the umbrella. During long-term use, the main spring will become weak after being compressed for a long time, resulting in a significant weakening of the elasticity, especially when the umbrella surface and umbrella stand are used in strong wind or heavy rain. slip. For example, in the patent CN109700140A, "A Straight Bone Umbrella That Can Be Retracted Automatically" is introduced. Its structure includes the inner tube and the outer tube middle rod, the umbrella nest, the umbrella bone hinged with the umbrella nest, and the pulley arranged in the middle rod. mechanism, the pull wire that slides around the pulley mechanism, the umbrella handle, the button arranged on the umbrella handle, the umbrella head, the umbrella cloth and th...

AI Technical Summary

Problems solved by technology

[0002] The traditional straight bone automatic umbrella relies on the elasticity of the main spring to open the umbrella. During long-term use, the main spring will become weak after being compressed for a long time, resulting in a significant weakening of the elasticity, especially when the umbrella surface and umbrella stand are used in strong wind or heavy rain. slip

For example, in the patent CN109700140A, "A Straight Bone Umbrella That Can Be Retracted Automatically" is introduced. Its structure includes the inner tube and the outer tube middle rod, the umbrella nest, the umbrella bone hinged with the umbrella nest, and the pulley arranged in the middle rod. mechanism, the pull wire that slides around the pulley mechanism, the umbrella handle, the button arranged on the umbrella handle, the umbrella head, the umbrella cloth and the umbrella beads used to fix the umbrella cloth. The straight bone umbrella received, but it will make the structure more complicated

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