Backpack buckles are generally divided into buckles (also known as side-opening buckles), day buckles, ladder buckles, hooks, rope buckles, and some other special purposes. Now introduce the characteristics, uses and strength of these fasteners.
The materials selected for the buckle are generally POM (polyoxymethylene, commonly known as Saigang), PP and NY, and the buckle is composed of a male buckle and a female buckle. One end is fixed by a webbing, and the other end can be adjusted by a webbing, and is selected according to different needs. The length of the webbing is generally used for the fixation of the shoulders and the waist. In order to more effectively play the role of the buckle, the production company is also constantly changing, while reducing the weight, while ensuring the same strength, such as v-type buckle. There is also a three-way buckle, that is, a "Y" buckle, which is often used in safety products such as baby carriages and taxi seat belts.
2, the day deduction
The materials are generally POM, PP, NY. Generally speaking, the buckle is used on the shoulder strap of the backpack and the shoulder strap of the shoulder bag to adjust the length of the webbing. In order to prevent slipping, the crossbar in the middle of the buckle is designed with stripes. There are also two logos that are placed next to each other to enlarge their logos.
3, ladder buckle
Its material is generally PP, POM, NY, and the function of the ladder buckle is also the shrinking webbing, which is generally used in the tailband of the shoulder strap to adjust the fit of the backpack. The shape of the ladder buckle and the functional design, the classic is not much, duraflex duckbill ladder buckle can be regarded as an immortal classic.
4, rope buckle
The rope buckle material is generally PP, NY, POM. Using the elasticity of the spring ring, the rope is misplaced, and the rope mouth can be selected in the size of the hole, single hole and double hole, and is suitable for various OO ropes, nylon ropes and elastic ropes. The LOGO can be designed according to the requirements of the customers. The design of the rope buckle has been greatly different from the previous ones, and there are many kinds of metal materials.
Hook materials are generally derived from PP, NY, POM. Hooks are generally used on the side of a shoulder bag, with a d-ring attached to one side and a webbing connection on the other. Many alloying elements have been added to make the hooks stronger.