Foldable telescopic turnover step ladder

Abstract

The invention relates to a foldable telescopic turnover step ladder which comprises four stand columns and a plurality of translation pedals. Two fixed longitudinal vertical connecting plates are hinged to the upper ends of the four stand columns, a transverse connecting piece is fixedly connected between the two fixed longitudinal vertical connecting plates, and the translation pedals are sequentially hinged to the four stand columns to form a sliding turnover step ladder body composed of parallel connecting rod mechanisms; and sliding nuts are fixedly connected with the outer sides of the fixed longitudinal vertical connecting plates, two sliding rails are inserted into the sliding nuts in a sliding mode and are parallel to each other, and the two ends of each sliding rail are installedon a sliding rail fixing base to form a parallel sliding rail set. A parallelogram mechanism of the foldable telescopic turnover step ladder is ingeniously applied, unfolding and folding of the sliding turnover step ladder body are facilitated, sliding pairs of the parallel sliding rail set are adopted, rapid stretching and retracting of the sliding turnover step ladder body are achieved, and thefoldable telescopic turnover step ladder has the advantages of being convenient to unfold, capable of being folded together after being folded, small in size, capable of being conveniently arranged ina narrow space and the like.

Description

technical field [0001] The invention relates to a step ladder. Background technique [0002] When it is necessary to climb to a certain height from the ground, a fixed ladder is often used, and the ladder can be withdrawn and retracted, and the ladder is made into a herringbone climbing step. Further, a foldable parallelogram structure herringbone ladder is used for separate storage and use. The one-word ladder has a simple structure, takes up a small space, and is easy to be built in, but it is not stable when climbing. When storing and using, it is necessary to consider the problem of large storage space and container fixing, especially in the process of field use and withdrawal, it is easy to lose and forget to store, occupy a large space, and often forget to store after use, resulting in loss Phenomenon. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a foldable, tel...

AI Technical Summary

Problems solved by technology

Further, a foldable parallelogram structure herringbone ladder is used for separate storage and use. The one-word ladder has a simple structure, takes up a small space, and is easy to be built in, but it is not stable when climbing. When storing and using, it is necessary to consider the problem of large storage space and container fixing, especially in the process of field use and withdrawal, it is easy to lose and forget to store, occupy a large space, and often forget to store after use, resulting in loss Phenomenon

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