Ladder capable of ascending and descending and convenient to move

Abstract

The invention relates to a ladder capable of ascending and descending and convenient to move, and belongs to the field of ladders used in daily life. The ladder comprises a ladder body, an ascending and descending device and movable devices, wherein the ladder body comprises manual telescopic rods, pedals, sitting plates, fixing and supporting plates, rotating shafts I and rotary joints; the ascending and descending device comprises a telescopic supporting ladder, a supporting ladder telescopic controller, movable long pedals and fixed long pedals; the movable devices comprise universal wheels, universal wheel locking devices and universal wheel locking controllers. Pneumatic push rod devices are installed on the upper portions of four legs of the ladder; a manual telescopic part is a four-leg part of the ladder and a supporting part for pushing the ladder to move; the movable devices are installed at the bottoms of the four supporting legs of the ladder. The ladder is simple in structure, convenient to use, convenient to carry, capable of being contracted when not used, and small in occupied space; when the ladder is used, the ladder can be conveniently unfolded, the height of theladder can be properly increased, and the ladder can move left and right.

Description

technical field [0001] The invention relates to a liftable and conveniently movable ladder, which belongs to the field of ladders used in daily life. Background technique [0002] Ladders are an essential daily household tool for every family, but in reality, ladders have too many functions, and the actual use time is relatively small. At the same time, they are bulky and take up a lot of space, which is not conducive to storage. It is often troubled by the insufficient height of the ladder, and it is necessary to frequently carry the ladder and go up and down the ladder from one position to the next, wasting manpower and time. Contents of the invention [0003] The technical problem to be solved by the present invention is: the present invention provides a ladder that can be raised and lowered and is convenient to move, which is used to solve the problem that the ladders in the current reality have too single function and take up a large space, which is not conducive to s...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: the present invention provides a ladder that can be raised and lowered and is convenient to move, which is used to solve the problem that the ladders in the current reality have too single function and take up a large space, which is not conducive to storage and inconvenient to carry. Ladders are often troubled by the lack of height of the ladder. When moving from one position to the next, it is necessary to frequently carry the ladder and go up and down the ladder, which is a waste of manpower and time.

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