1, the wheels of the suitcase can be changed.
2. Just open the suitcase, check whether the zipper can open the cloth in the suitcase, and open the zipper to see that there are screws in the suitcase. Remove these screws, take out the damaged wheel and replace it with a new one. A suitcase is a box for putting things when you go out. Usually, suitcases are used to store clothes, personal care products and souvenirs needed during the trip.
A suitcase with a pull rod and rollers. Because it is convenient to use, it is widely used to match clothes when traveling and going out. The luggage also has a box pull rod, which is divided into a single-tube pull rod and a double-tube pull rod. The tube of the pull rod can also be divided into a square tube and a round tube, which is convenient to drag when walking and greatly reduces the burden.
At present, the roller of the existing suitcase is generally arranged at the bottom of the suitcase, so that the suitcase can be easily pushed by the roller on the suitcase when it is pushed flat, but it will be inconvenient when it goes up the steps. For this reason, people have carried out continuous research and development, such as the China patent application with the application number of 2007 100 13227X and the patent name of crawler luggage.
The invention discloses a technical scheme, wherein a crawler belt is arranged on a box body, and when people push a suitcase through steps, the crawler belt on the box body contacts with the steps, so that the purpose of pushing the suitcase easily is achieved.