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 mechanism and a limiting device, wherein two bottom feet of the box body are respectively provided with a trundle wheel; the free rotation draw bar consists of two basic draw bars and two retractable draw bars, the double-swinging-rod mechanism consists of a first swinging rod, a connecting rod, a second swinging rod and a box body, bottom feet of the second swinging rod is provided with a trundle wheel, one end of the first swinging rod is hinged with the box body, the other end of the first swinging rod is hinged with the connecting rod, and the other end of the connecting rod is hinged with the second swinging rod; the limiting device is arranged on the second swinging rod and the connecting rod, and the limiting device consists of a limiting pin and a control pin; the draw-bar box is set at a standing state, the second swinging rod is rotated until a limiting pin body is popped up, and the draw-bar box can be pulled to move only by rotating and pulling out the free rotation draw bar; and the draw-bar box is set at the standing state, a control pin body is pressed and controlled, the second swinging rod is rotated to be screwed into a groove of the box body until the second swinging rod is clamped by a clamping block, the draw bar is withdrawn and rotated to be clamped by the clamping block, so that the box body stays at a laying state.

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, which can balance itself in the walking state, and people do not need to lift the trolley with their hands, and 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 brick...

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

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