Folding type boarding ladder

Abstract

The invention discloses a foldable boarding ladder which comprises a fixed stand, a retroflexed tread rack. The upper end of the fixed stand is provided with an upper pivoting support and the lower end thereof is provided with a lower pivoting support; an upper pivoting block is hinged with the upper pivoting support through an upper hinge pin; the top end of the upper pivoting block is fixedly connected with the lower side of the platform of an automobile carriage. One side of the fixed stand is provided with a slant rod with a lower end being fixedly connected with the lower pivoting support. The pivoting block at the upper end of the slant rod is hinged with an internal pivoting support fixed on the lower side of the platform of the automobile carriage through the hinge pin. The retroflexed tread rack is arranged below the fixed stand, and the upper end of the retroflexed tread rack is hinged with the lower pivoting support of the fixed stand through a lower hinge pin. The retroflexed foldable boarding ladder can allow the opened retroflexed tread rack to extend out of the automobile lateral face; and an upper pedal and a lower pedal are staggered in space, which gives great convenience for getting on and off automobiles to passengers. The slant rod can be separated from the internal pivoting support, thus leading the foldable boarding ladder to rotate to a level, and being convenient for replacing tires.

Description

technical field [0001] The invention relates to a car boarding ladder, in particular to a reversible and foldable car boarding ladder installed under a vehicle platform, which belongs to the technical field of auto parts. Background technique [0002] The boarding ladder is an auxiliary device for passengers to get on and off the car. Due to the different layouts in the car, the doors may be set at different positions on the car wall. It is often difficult to install when the door is set on the side of the car wall and is relatively close to the wheels. Boarding ladder. There are two ways to set up the existing carriage boarding ladder: 1, use an external-mounted boarding ladder; 2, use a foot ring. Method 1 needs to move the boarding ladder placed on the car to the bottom of the car door before the occupants can get on and off the car, which is inconvenient to use; method 2 is limited by the width direction of the vehicle, the foot ring cannot exceed the size of the side o...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the disadvantages of inconvenient use and high manufacturing and use costs of the existing foldable car boarding ladder, the present invention provides a foldable car boarding ladder. The upper end of the foldable car boarding ladder is fixed below the car body platform. Its lower end is flipped up and locked with the upper end, and the folding ladder does not exceed the width of the car body; when passengers need to get on or off the car, they can be used by flipping and opening after unlocking, which is convenient for passengers to get on and off the car

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