1, pull rod: First of all, pay attention to the manufacturing material of the pull rod, which is made of aluminum alloy and divided into several sections. Check whether the screw of the pull rod is tightened, and whether it is fast and stable when pulling up and pushing down. Press the button and pull out the pull rod to see if it can be retracted freely and the function is intact; Whether the design is reasonable.
2. Wheel: First of all, look at the manufacturing material of the wheel, and it is best to choose a rubber wheel. Rubber wheels are not only soft and light in texture, but also low in noise. Then check whether the wheel surface is shiny. The surface of the wheel is dull and rough, which is probably made of recycled materials. The quality of this kind of wheel cannot be guaranteed.
3, password lock: when buying a suitcase, first pay attention to check whether the lines around the lock are tight. Whether the engagement between the lock and the trunk is natural. Pay attention to test the performance of trunk lock. If it is a password lock, you can adjust a password at will to test whether it is normal. In addition, if you are studying abroad or traveling abroad, you'd better choose a suitcase with a customs lock.
4. Box surface: Whether it is a hard box or a soft box, check whether the surface of the box shell is smooth and free of scars. Check whether the edges and corners of the box are smooth and not rough.
If you buy a hard suitcase, check whether the quality can bear the weight and the impact. The test method is to put the box flat, put a heavy object on the box shell and try it on the box yourself. There will be no problem if the quality reaches the standard. If you buy a soft suitcase, you should pay attention to whether the surface of the box is smooth and whether there are seams outside the design.
5, the zipper of the suitcase: First of all, pay attention to whether the zipper is smooth, whether there is tooth loss, dislocation, and whether the stitching is straight. Whether the upper and lower lines match. Whether there are empty needles and jumpers.
Extended data:
Ways to fit the luggage size:
1, small suitcase: 1-4 day tour.
20 inches (boarding) 34 cm *50 cm *20 cm; 22 inches (without boarding) 36 cm *52 cm *26 cm
2. Medium-sized suitcase: 5-7 days journey.
24 inches (without boarding) 38 cm *60 cm *28 cm
3. Large suitcase: a journey of more than seven days.
28 inches (without boarding) 48 cm *70 cm *30 cm
The large capacity of 28 inches can hold enough articles for daily use and work. It should be noted that the suitcase with the sum of three sides less than 158 cm is an international standard consignment box. If you want to go abroad, try to control it below 28 inches.
4. Oversize suitcase: a long journey.
There is no universal size for 32-inch suitcases, and most of them need special customization. According to the domestic transportation rules of China civil aviation passenger luggage, a 32-inch suitcase is the largest size suitcase that can be checked.
Baggage classification:
1, tie rod material:
Generally, it can be divided into all-iron pull rod, all-aluminum pull rod and external iron and internal aluminum pull rod. All-aluminum material is light, strong, not easy to deform, and the cost is relatively high. Bags with this kind of tie rod are generally not cheap, so they are used more in middle and high-end bags.
2. According to the shape of the tie rod:
It can be divided into square tube, oval tube, round tube, D tube, drum tube, striped tube, splayed tube, stepped tube, mouth tube and fan tube.
3. Judging from the position of the tie rod:
There are built-in pull rods and external pull rods; The built-in pull rod is the pull rod inside the box. There are many in the market, that is, the outside of the box is flat, which looks like two poles stretching out of the box. When the box is opened, you can see or touch two protruding poles through a layer of cloth.
References:
Baidu encyclopedia-suitcase