Fixed type large sunshade

Abstract

The invention relates to articles of daily use, and relates to an umbrella for shielding sunshine, rain and snow, in particular to a fixed type large sunshade. The large sunshade comprises a stand column which is fixed on the ground or a base; an umbrella stand is arranged on the stand column and consists of a plurality of umbrella ribs; one ends of the umbrella ribs are centrally hinged to the top end of the stand column; supporting ribs are hinged to the lower parts of the umbrella ribs; the other ends of the supporting ribs are hinged to a lifting ring which sleeves the stand column; a leadscrew is arranged in the center of the stand column; a lifting stabilizing block is arranged at the upper end of the lead screw and transversely penetrates through the stand column to be connected tothe lifting ring; the front side and the rear side of the stand column are provided with long grooves with the upper parts communicated with the lower parts to serve as a slide way for the lifting stabilizing block; a rotary nut is arranged in the middle of the stand column and is connected to the lead screw in a matched mode; and the nut is fixed through a bearing embedded in the cross section of the stand column. The large sunshade has the advantages that the defect that in the prior art, a large sunshade is inconvenient to operate can be overcome, a form of a lifting structure internally provided with the lead screw is provided, so that folding and unfolding are stable and free, and the operation is simple.

Description

technical field [0001] The invention relates to daily necessities, an umbrella used for shielding sunlight, rain and snow, in particular to a fixed large parasol. Background technique [0002] Parasols have been widely used as temporary sunshades. Many markets and open-air business places mostly use large sunshade umbrellas with bamboo and wood structure for sun protection. Put the umbrella body at a slant, move the umbrella hub up, and gradually open the wide umbrella skirt through the bracket until the spring pin on the umbrella pole is locked, and then insert the umbrella pole into the umbrella seat. The whole process of opening the umbrella sometimes takes 1-2 People not only consume a lot of labor, but also only rely on the ribs on the part of the umbrella skirt to land on the ground during the opening of the umbrella, which can easily cause damage to the umbrella body. Umbrellas are all inconvenient to retract and put away, so the service life is also shorter, result...

AI Technical Summary

Problems solved by technology

Many markets and open-air business places mostly use large sunshade umbrellas with bamboo and wood structure for sun protection. Put the umbrella body at a slant, move the umbrella hub up, and gradually open the wide umbrella skirt through the bracket until the spring pin on the umbrella pole is locked, and then insert the umbrella pole into the umbrella seat. The whole process of opening the umbrella sometimes takes 1-2 People, not only consume a lot of labor, but at the same time, only part of the ribs on the umbrella skirt touch the ground during the opening of the umbrella, which can easily cause damage to the umbrella body.

Umbrellas are inconvenient to retract and put away, so the service life is short, resulting in high cost of use

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