Automatic/manual dual-mode and straight-rib sun-rain umbrella

Abstract

The invention relates to an automatic / manual dual-mode and straight-rib sun-rain umbrella. A main umbrella rib of the invention comprises a hollow umbrella rib and a movable umbrella rib and is driven by a control component arranged at a handle to lift, wherein the hollow umbrella rib is fixedly arranged on the handle, the upper end of the hollow umbrella rib is connected with a divergence type umbrella rib, the lower end of the hollow umbrella rib is provided with a gap, a gear cluster is arranged in the gap and is connected with the control component; the movable umbrella rib is sleeved outside the hollow umbrella rib in a rotating way, the upper end of the movable umbrella rib is provided with a spiral groove with a bayonet at the head and the tail thereof, the inner wall of the lower end of the movable umbrella rib is provided with an annular internal tooth groove in the position corresponding to the gear cluster, the internal tooth groove is engaged with the gear cluster and drive the movable umbrella rib to rotate; the outer wall of the lower end of the movable umbrella rib is also provided with an annular manual spiral sleeve; an umbrella unfolding / folding loop is arranged outside the spiral groove and is provided with an olecranon part which can slide in the spiral groove, and a movable joint which is arranged on the umbrella unfolding / folding loop is connected with a divergence type umbrella rib frame which is used for supporting an umbrella cover. The invention has the advantages of convenient operation and simple structure, and increases the adaptability of the umbrella.

Description

technical field [0001] The invention relates to an umbrella used in daily life, in particular to an automatic and manual dual-mode straight bone umbrella. Background technique [0002] The multi-section automatic umbrellas currently on the market are designed with an umbrella opening mechanism and an umbrella retracting mechanism. When the umbrella opening mechanism is pressed, the umbrella will open under the action of the umbrella opening spring, and the umbrella retracting spring installed at the umbrella rib will store energy at the same time. ;When the umbrella retracting mechanism is pressed, the umbrella retracting spring retracts the umbrella surface, and the umbrella shaft must be pushed back by manpower to fully retract, otherwise it cannot be opened again, because the parachute opening spring has no energy storage, it is pushed by human force Energy stored when returning. Most of the straight bone automatic umbrellas that are automatically opened and closed on th...

AI Technical Summary

Problems solved by technology

Most of the straight bone automatic umbrellas that are automatically opened and closed on the market are improved on the basis of the original automatic umbrellas. The defects are: complex structure, difficult processing, and poor reliability.

The inventor of the present application filed in 2009 for the title "automatic sunny umbrella with replaceable umbrella surface". When the umbrella is exhausted or the motor fails, the umbrella cannot be opened or retracted, and the umbrella cannot be opened and retracted manually

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