Draw-bar box having traveling supporting mechanism

Abstract

The invention discloses a draw-bar box having a traveling supporting mechanism, which consists of a box body, a free rotation draw bar, a double-swinging-rod double-degree-of-freedom mechanism and a limiting device, wherein two bottom feet of the box body are respectively provided with a trundle wheel, and the box body is provided with two clamping blocks; the free rotation draw bar consists of one basic draw bar and one retractable draw bar, the retractable draw bar is arranged inside the basic draw bar in a penetrating way, and the basic draw bar and one swinging rod shares one staircase shaft which is fixed on the box body and is supported by a dual-bearing seat; the double-swinging-rod double-degree-of-freedom mechanism consists of first swinging rods, a connecting rod, a short connecting rod, a second swinging rod and a box body, wherein the top ends of the two first swinging rods are respectively fixedly connected with the staircase shaft, one limiting device is respectively arranged among the second swinging rod, the short connecting rod and the connecting rod, the other end of the connecting rod is hinged with a crossbeam, the other end of the second swinging rod is hinged with the box body, and two ends of the short connecting rod are respectively hinged with the second swinging rod and the connecting rod. The draw-bar box has a simple structure, attractive appearance and reliable performance, is labor-saving and free from influencing the walking speed of people, can greatly reduce the labor intensity of people when people pull the draw-bar box.

Description

technical field [0001] The invention relates to a trolley case, in particular to a trolley case with a walking support mechanism. Background technique [0002] During business trips or travel, people need to go to and from the station, transfer vehicles during the journey, enter and exit the airport, stay in a hotel and shop, etc. People need to walk for a certain distance. Balance requires people to lift the lever with their hands and pull it to walk, and the labor intensity is high, so that pleasant travel may lose happiness due to fatigue. Contents of the invention [0003] The object of the present invention is to provide a trolley case with a walking support mechanism. The trolley case can balance itself in the walking state. People do not need to lift the trolley with their hands. The freely rotatable trolley can adapt to the needs of people of different heights. Pull the rod by hand, and the trolley case can walk on relatively flat roads or floors such as square br...

AI Technical Summary

Problems solved by technology

[0002] During business trips or travel, people need to go to and from the station, transfer vehicles during the journey, enter and exit the airport, stay in a hotel and shop, etc. People need to walk for a certain distance. Balance, people need to lift the lever with their hands and pull it to walk, the labor intensity is high, so that the pleasant travel may lose happiness due to fatigue

Images