Draw-bar box convenient for going up and down stairs
A technology of trolley case and stairs, which is applied in the direction of luggage, clothing, accessories, etc., can solve the problems of heavy luggage, inability to carry the suitcase, exhaustion and other problems, and achieve the effect of relaxing and pleasant journey
Inactive Publication Date: 2017-07-21
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0003] However, sometimes when going out, they often carry too much and heavy luggage, and they are eager to take a bus to catch up with time. Most of the existing trolley cases can only be dragged on flat roads or slopes, and cannot go up and down stairs. , which brings great inconvenience to travel, and makes the originally happy and relaxed mood become exhausted; at the same time, when traveling with the elderly or children, you need to spare your hands and energy to take care of them. A trolley case that is convenient for going up and down stairs
Method used
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[0024] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
[0025] Such as Figure 1 to Figure 4 As shown, the present invention discloses a trolley case convenient for going up and down stairs, which includes a trolley case body, first to fifth connecting rods, latches, and several pulleys;
[0026] The trolley case body is provided with strip-shaped grooves on the back of the box body, and the groove is arranged in the middle of the two sides on the back of the trolley case body, parallel to the two sides, and the bottom end of the groove is in contact with the trolley case the bottom surfaces of the bodies meet;
[0027] The first connecting rod and the second connecting rod are respectively arranged at the upper end and the lower end of the groove, and both are parallel to the bottom surface of the trolley case body;
[0028] Such as Figure 4 As shown, the fourth connecting rod and the fifth connect...
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Abstract
The invention discloses a trolley case which is convenient for going up and down stairs, which comprises a trolley case body, first to fifth connecting rods, pins, and several pulleys; The rod and the second connecting rod are respectively arranged at the upper end and the lower end of the groove; the fourth connecting rod and the fifth connecting rod are arranged in parallel, and their bottom ends are hinged with the second connecting rod; several pulleys are evenly arranged on the fourth connecting rod, the fifth connecting rod Between the five connecting rods, the center of the pulley is provided with a rotating shaft, and the two ends of the rotating shaft are fixedly connected with the fourth connecting rod and the fifth connecting rod respectively; the upper end of the third connecting rod is hinged with the first connecting rod; The lower end, the upper end of the fourth connecting rod, and the upper end of the fifth connecting rod are all provided with latch holes matched with the latch. When working, the pins match the pin holes on the third to fifth connecting rods, so that the fourth connecting rod, the fifth connecting rod and the back of the trolley case body form a preset angle threshold, so that the trolley case body can go up and down stairs conveniently .
Description
technical field [0001] The invention relates to a trolley case, in particular to a trolley case which is convenient for going up and down stairs. Background technique [0002] When traveling, a trolley case is a must-have item. A trolley case refers to a suitcase with a pull rod and rollers. It is widely used because of its convenient use, carrying clothes, etc. for travel and going out. At the same time, the trolley case is also equipped with a trolley, which can be divided into single-tube trolley and double-tube trolley. [0003] However, sometimes when going out, they often carry too much and heavy luggage, and they are eager to take a bus to catch up with time. Most of the existing trolley cases can only be dragged on flat roads or slopes, and cannot go up and down stairs. They can only be carried by hand, which wastes time. , which brings great inconvenience to travel and makes the originally happy and relaxed mood become exhausted; at the same time, when traveling ...
Claims
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Login to View More IPC IPC(8): A45C5/14A45C13/00
CPCA45C13/001A45C5/146A45C2005/147
Inventor 田露
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS