Must understand the components of the trolley case

Travel abroad and ultimately carry a convenient and practical luggage, and now most users choose Trolley Case, the main is to add more convenience to the journey today to talk about friends must know a few important components Trolley Case.
Important elements of the composition of the trolley case mainly includes the trolley assembly, the main body and the trolley wheel.
The draw bar assembly has a draw bar and a draw bar bracket. The well-made draw bar should be reasonably dimensioned with the draw bar chute to be controlled within an appropriate tolerance range. Otherwise, the user may feel unpleasant when pulled, which is very inconvenient to use. It is necessary to be strong and durable, at the same time to minimize the overall weight as light as possible, requiring tie rod bracket has good strength and toughness.
The main body of the luggage is the key area for storing things. It is divided into two parts: the front piece and the back piece. There is a zipper connection between the front piece and the back piece. Various types of pouches are provided on the front piece to facilitate people to place some relatively small temporary Sexual things, bags with dark bags inside, you can easily store some of the more valuable items, the front piece with a password lock, different brands of trolley equipment is not the same, the main play a safe anti-theft effect; Bags of the main body of a wide range of materials, PVC, ABS, PC, cloth, leather, leather, etc. vary greatly depending on the style and brand, the price difference is also large.
The last is the wheel you, there are general wheel and directional wheel of the points. They are installed in the bottom of the main body of the luggage, supporting the entire luggage components, thus requiring the material to withstand pressure and wear, rotation and flexibility. Directional wheel trolley stand is no way to move, and only when the user pulled the lever tilted at a certain angle in order to play its role; gondola is different, more convenient, standing can move, the wheels have universal Function, you can freely move 360 degrees at the same time can also be pulled out of the wheel lever wheel orientation wheel function, both, is currently on the market sales of larger products.
So friends to understand the trolley must first know the basic structure and function of the above three points, which is the most basic common sense.