1、 What is crescent lock
Crescent lock can also be called window buckle lock, which is widely used in sliding windows of various profiles. It controls the opening and closing of the window sash and acts as a switch. Because it looks like a crescent moon, it is affectionately called a crescent moon lock. Controlling the window switch is the core function of the crescent lock, but it also plays the role of anti-theft to a large extent. After all, it is a “lock” in the final analysis. Surface treatment generally adopts painting, baking, spraying, electroplating, etc. The color is mainly white and aluminum.
2、How to divide the crescent lock
In door and window hardware accessories, many products are divided into left and right, which is determined by the opening direction of doors and windows. In fact, the crescent lock is also divided into two parts,
Left crescent lock: when it is in the open state (the crescent lock handle is down), the lock head is hooked on the left side and can rotate clockwise (see Figure).
Right crescent lock: when it is in the open state (the crescent lock handle is down), the lock head is hooked on the right side and can rotate counterclockwise (see Figure).
3、How to choose the crescent lock?
1. Look at the texture
A high-quality crescent lock will feel weighty and heavy in your hand; The appearance lines are beautiful and bright, and there are almost no pockmarks
2. Look at elasticity
A general crescent lock can rotate 180 degrees. A good crescent lock will feel flexible and labor-saving when rotating, with low noise and good elasticity
3. Look at the structure
Good crescent locks are of spring structure, and the center material is galvanized, which is not easy to rust