a suitcase

Abstract

The invention discloses a luggage box which comprises a box body and a bottom frame, wherein the box body is further provided with a back frame; the width of the back frame is the same as that of the box body; the back frame is fixed at the back of the box body; the luggage box further comprises a chain wheel pathway group; the upper end of the chain wheel pathway group is movably connected with the back frame through an upper connecting rod; lower end of the chain wheel pathway group is fixedly connected with the bottom frame through a lower connecting rod. The luggage box has the following benefits: the luggage box can conveniently go up and down steps through rotation of chain wheels, so that the problem that the existing heavier luggage box is inconvenient to go up and down steps is solved, convenience is brought to a user, and the application prospect is broad.

Description

[0001] The invention relates to a transportation device, in particular to a suitcase. Background technique [0002] With the development of society, people go out to travel or move to a new house more and more frequently, and bags used as carrying daily necessities or other supplies are more and more popular and frequently used by people. At present, ordinary bags are equipped with rollers at the bottom. It is convenient for users to drag the luggage. Now there are single-wheel or multi-wheel rollers at the bottom of the luggage. However, due to the limitation of the roller itself, it is time-consuming and laborious to go up and down the steps. Generally, people need to press down the pull rod of the luggage and then lift it up by hand. Bags go up and down the steps, and they cannot go up and down the steps conveniently, which causes great changes to the users. Some old people or physically weak people often cannot lift the bags up and down the steps when the bags are heavy. ...

AI Technical Summary

Problems solved by technology

[0002] With the development of society, people go out to travel or move to a new house more and more frequently, and bags used as carrying daily necessities or other supplies are more and more popular and frequently used by people. At present, ordinary bags are equipped with rollers at the bottom. It is convenient for users to drag the luggage. Now there are single-wheel or multi-wheel rollers at the bottom of the luggage. However, due to the limitation of the roller itself, it is time-consuming and laborious to go up and down the steps. Generally, people need to press down the pull rod of the luggage and then lift it up by hand. Luggage up and down the steps, can not go up and down the steps conveniently, resulting in great stability for the users, some elderly or physically weak, when the luggage is heavy, often cannot lift the luggage up and down the steps

Images