Draw-bar-box wheel shrinking and ejecting structure

A trolley case and trolley technology, applied in luggage, clothing, accessories, etc., can solve the problems of trolley case’s difficulty in going up and down steps/stairs, and achieve the effect of smooth climbing and reducing impact

CN109924634AInactive Publication Date: 2019-06-25李齐
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2019-06-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a draw-bar-box wheel shrinking and ejecting structure. The four corners of the bottom of a box are each provided with a universal wheel, the universal wheels are matched withpetal stopping sheets, a draw bar box is more flexible and convenient during moving by arranging the universal wheels, a draw bar cavity can comprise a storage cavity and a containing cavity by arranging the petal stopping sheets, and two mutually-parallel sliding rails are arranged at the bottom of the containing cavity; a stretching pad assembly is embedded into the sliding rails, a window is arranged on the back face of the containing cavity, one end of the stretching pad assembly can extend out of the window, and a cover plate matched with the window is arranged on the outer side of the end extending out of the window. The draw-bar-box wheel shrinking and ejecting structure has the advantages that the draw bar box is arranged frontwards when a person walks down stair steps, and is lightly pushed along the stair steps, a sliding plate of the draw bar box slides downwards along convex corners of the outer edges of the steps, and the aim of walking down the stair steps is smoothly completed.
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Description

technical field

[0001] The disclosure of the present invention relates to the field of trolley cases, in particular to a retractable and pop-up structure for the wheels of the trolley case. Background technique

[0002] The trolley case is a tool for people to travel and store their articles. When people travel, in order to deal with various emergencies during the journey, they usually put various articles in the trolley case. At present, most trolley cases are provided with rollers at the bottom, a trolley frame is arranged on one side of the trolley case, and telescopic pull rods are installed in the trolley parts. When in use, people can move the trolley box by dragging the telescopic pull rod on the trolley box and rolling the rollers, but this type of movement is only suitable for flat roads. The trolley case is lifted, and then the steps / stairs are climbed. If the number of steps / stairs to be climbed is small, people can still bear it, but if the number of steps / stai...

Examples

Embodiment Construction

[0021] A trolley box wheel retractable pop-up structure, comprising: a box body 1, a trolley frame 11 is fixedly installed on one side of the box body 1, a telescopic pull rod 12 is installed in the trolley frame 11, and a telescopic pull rod 12 is installed in the box body 1 The bottom of 1 is equipped with rollers 15, and the rod frame 11 includes a first rod frame 111 and a second rod frame 112 arranged in parallel in the longitudinal direction, and the two ends are respectively connected with the first rod frame 111 and the second rod frame 112 The first transverse support 113 and the second transverse support 114 are characterized in that a universal wheel 16 is respectively provided at the four corners of the bottom of the box body 1, and the universal wheel 16 is equipped with a pedal stop piece 17, The provision of universal wheels 16 makes the pull rod 12 cases more flexible when moving, and the provision of the pedal stopper 17 allows the cavity of the pull rod 12 to ...