A trolley case facilitating the climbing of a ladder

Abstract

The utility model discloses a draw bar box convenient to climbing ladder, including box and installation box, installation box fixed installation in the one side of box, and installation box side surface is equipped with two let place groove, installation box inner chamber one side wall is hinged with support rod, and the top surface rotation of support rod is connected with the climbing wheel, and the climbing wheel stretches out and sets up let place groove, support rod bottom surface is arranged obliquely, and drive assembly is slid with the adhesion of support rod bottom surface, and drive assembly fixed connection has the draw bar, and the draw bar one end penetrates installation box side wall and is fixedly connected with the handle, the detachable connection of climbing wheel has the rotation stop component, and rotation stop component is rotatably connected with support rod. The utility model discloses can use the climbing wheel of draw bar box, and the step of stair is constantly contacted, and through the user constantly pulling draw bar box, can constantly switch the gyro wheel, to realize the labor -saving lifting of draw bar box.

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