Safety automatic umbrella folding and unfolding structure

Abstract

The invention relates to a safety automatic umbrella folding and unfolding structure which comprises ribs, an upper nest, a lower nest, a middle bar and an umbrella head, wherein the middle bar is provided with a plurality of sections of telescopic joint pipes and is internally provided with an umbrella unfolding spring; the ribs are provided with umbrella folding springs; the umbrella head is internally provided with a bullet for controlling automatic folding and unfolding and the bullet is connected with an umbrella unfolding line; the umbrella unfolding line is led out of the middle bar, and then goes around the lower nest and finally is connected to the upper nest or the joint pipes of the middle bar, which is fixed with the upper nest; or the umbrella unfolding line is led out of the middle bar and is directly fixed on the lower nest; a turntable is arranged in the umbrella head; a middle bar line is connected with and coiled on the turntable; and the middle bar line upwards penetrates out and then is connected to the upper nest or the joint pipes of the middle bar. The invention can control the unfolding and the folding of an umbrella surface through the umbrella unfolding line and control the folding of the middle bar through the middle bar line, therefore, during the folding of the middle bar, the middle bar can not be flicked even unintentionally loosened the pressing of the middle bar and is always in the safety state.

Description

technical field [0001] The invention relates to the structure of an umbrella, specifically an automatic opening and closing umbrella, which can effectively control the umbrella surface when the umbrella is closed, and prevent the middle stick from popping out when the umbrella is closed. Background technique [0002] Automatic open and close umbrellas are welcomed by consumers because they can automatically open and close the umbrella surface and are easy to control, and thus extend a variety of products, such as two-fold automatic open and close umbrellas, three-fold automatic open and close umbrellas, and four-fold automatic open and close umbrellas. Automatically open and close the umbrella; and there are multiple ways to control the automatic opening and closing. [0003] But the commonly used automatic opening and closing umbrella has a big disadvantage. When closing the umbrella, first draw in the umbrella surface, and then need to forcefully pull down the nest or pres...

AI Technical Summary

Problems solved by technology

[0005] Although this method can realize the safety control of automatic umbrella retraction, however, the control when retracting the umbrella requires the cooperation of multiple components. Press the clutch disc to loosen the support of the potter's wheel. Although the clutch disc is designed at the bottom of the umbrella head in consideration of the need for pressing, this method does not affect those who have the habit of backlogging umbrellas. , but for users who pull the umbrella under the nest, this structure is quite inconvenient

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