Although the door lock may seem small, it plays a crucial role in ensuring family safety. Different doors serve different purposes, and as a result, people have varying needs when it comes to choosing the right type of lock. No longer just simple padlocks or strike locks, modern door locks are designed with specific functions in mind. In this short series, we’ll walk you through some essential knowledge about door locks and how they work.
When it comes to door locks, they can be categorized based on their purpose. There are portal locks (also known as anti-theft locks), bedroom locks, passage locks, and bathroom locks. In terms of design, they can also be divided into ball locks, handle locks, mortise locks, and more. Ball locks and handle locks combine multiple functions—such as locking, latching, and turning—into one convenient system. However, these types are typically used for doors that are less than 80cm wide, and often require an additional door handle for operation. Because of this integrated setup, they are referred to as “locks†rather than separate components.
For ordinary households, there are four main types of door locks commonly used:
The first is the front door lock, which serves as the main entrance to the home. This is the key point of security, so it must have strong anti-theft features. That’s why it's often called an insurance lock or a security lock. It’s important to note that the distance between the front door and the security door should not be less than 80cm. Otherwise, the security door might not close properly, leaving your home vulnerable.
The second type is the passage lock, which is mainly used for doors that don’t require high security, such as those in the kitchen, living room, hallway, or children’s rooms. These locks only provide basic functionality, like a handle and a latch, without any additional security features.
The third type is the bathroom lock, which allows you to lock the door from the inside and open it from the outside using a key. This makes it ideal for bathrooms and other private areas where privacy is essential.
The fourth type is the bedroom lock, which is designed to be locked from the inside and requires a key to open from the outside. This is commonly used for bedroom and balcony doors to ensure privacy and security.
Understanding the differences between these locks can help you choose the right one for each door in your home. Whether you're looking for security, convenience, or privacy, there's a door lock designed for every need.
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