umbrella

Abstract

The invention relates to a mechanical device, namely a sunshading umbrella. The sunshading umbrella is characterized in that a screw rod (2) capable of carrying out positive and negative bidirectional rotation under the driving of a motor is mounted on a bottom plate (1); the screw rod (2) is externally sleeved with an inner sleeve (3); the inner sleeve (3) is externally sleeved with an outer sleeve (4); the upper end of the inner sleeve (3) is connected with an umbrella cover (5); a lower opening of the umbrella cover (5) is opposite to the bottom plate (1); the outer side of the outer sleeve (4) is connected with a folding umbrella surface (8); the inner sleeve (3) is provided with an anti-rotation component; the inner sleeve (3) positively rotates with the screw rod (2) and lifts to the upper part of the screw rod (2) to be separated from the anti-rotation component and to be in rigid connection with the screw rod (2) and the outer sleeve (4), and the inner sleeve (3), the screw rod (2) and the outer sleeve (4) carry out synchronous positive rotation to allow the umbrella surface (8) to be unfolded; and when the screw rod (2) rotates negatively, the outer sleeve (4) rotates negatively to fold the umbrella surface (8), and the inner sleeve (3) moves downwards to close the umbrella cover (5). The sunshading umbrella has the benefits that the sunshading umbrella is arranged at the roof of an automobile, the umbrella surface is folded at ordinary time, and is unfolded to cover an automobile body, shield sun and protect the automobile during parking; and the sunshading umbrella can also act as a sunshade for other places, is simple in structure and flexible and reliable in operation, and is light and suitable for remote control, so that the sunshading umbrella has good market prospects.

Description

technical field [0001] The invention relates to a mechanical device, namely a covering umbrella. Background technique [0002] Umbrellas, also called parasols, awnings, etc., have an unfolded fabric as their main structure to block the sun or avoid wind and rain. For example, open-air dining or vending booths need to be covered with parasols. Umbrellas are also needed for living room balconies and picnics. Especially passenger cars such as cars and off-road vehicles also need parasols in order to prevent wind, rain and sun. However, most of the existing umbrellas are manually operated and cannot be automated. The cover umbrella that is used for automobile can only be rolled up and be placed in the car or be placed in fixed place when not in use, can not be contained in the car and walk with the car at most. Recently, several kinds of umbrellas that can be installed on the automobile and can be automatically unfolded or rolled up by a motor are introduced on the market. ...

AI Technical Summary

Problems solved by technology

However, the above-mentioned products are mostly driven by more than two motors, with complex structure, large volume, high cost, and unsightly appearance, which limits popularization and application.

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