Learn more about the smart design of child-proof zippers

In the modern packaging industry, protecting children from potentially dangerous contact is an important consideration. It acts as a safety barrier to protect children from potential threats such as drugs, detergents, sharp objects, etc. Designers are constantly exploring new mechanisms to adapt to different product needs and safety specifications. To this end, the child-proof zipper has been created, which combines innovative engineering and ergonomics to create a mechanism that is easy for adults to use but difficult for children to open. Below are several common child-proof zipper designs in the packaging industry, each of which is carefully conceived to reduce the risk of child accidents.
​l Press and slide
This design usually consists of a push-type button and a slider. The user needs to press the button and slide the zipper at the same time to open the blockade. The clever thing about this design is that it requires specific gestures and force, which are often difficult for children to achieve. On a plastic bag or box, this mechanism usually takes the form of a concave button and a matching slider, both of which must operate in sync.
​l rotary wheel type
The rotary wheel design requires the user to first rotate a small wheel to a specific position to pull the zipper. This mechanism often involves complex internal construction that ensures that neither inadvertential friction nor pressure causes the zipper to open. The runner may be designed to operate in combination with pressing and rotating, increasing the complexity of opening.
​l Double safety lock
The double security lock is a more advanced version that contains two unlocking steps. For example, a user may need to pull up a protective film before aligning and pressing down on another button to unlock a zipper. This multi-step process is complex in design and provides double protection for children.
​l Intelligent sign induction type
This relatively new design uses special identification technology, such as thermal or pressure sensitive materials, where the user needs to touch or press the logo on the material in a specific way to activate the zipper. The design can be a color-changing cue or a finger touch that requires a specific body temperature, increasing the difficulty of understanding the lock.
​These child-proof zipper designs not only demonstrate the packaging industry's innovation in safety, but also reflect the manufacturer's concern for the safety of consumers' homes. In developing these products, manufacturers must find a balance between maintaining packaging safety and user friendliness. While child-proof zippers significantly increase the level of safety, they also need to pass a variety of consumer tests to ensure they are both intuitive and easy to use for adults.
​In the face of changing market demands and safety standards, the design of child-proof zippers will continue to innovate and progress. This ensures that potentially dangerous goods are kept away from children, even in the home environment, while also providing convenience for adult users. With the implementation of these designs, we can look forward to a safer home environment, allowing children to explore the world more carefree.