Types of mechanical password locks include:
1. Ordinary mechanical password lock: This is the most common type of mechanical password lock, characterized by low price, simple use, and unlocking by entering a password. However, due to the small number of password digits and high repetition rate, the security is relatively low.
2. Fingerprint mechanical password lock: Use fingerprint recognition technology to unlock, no need to remember the password, easy to use and high security, because everyone's fingerprint is unique. However, this type of lock is expensive and requires regular maintenance and updates.
3. Fundus mechanical password lock: Use fundus vascular images as the basis for identity authentication, and unlock by scanning the eyeball vascular recognition. Its security is extremely high, because the uniqueness of fundus vascular images is almost impossible to repeat. However, it is one of the most expensive products on the market, with limited usage scenarios, and is mainly suitable for high-security places.
4. Mechanical combination lock: Use digital keys to unlock by rotating the pointer to the correct digit. Suitable for places such as safes and cash boxes, with the advantages of easy installation, simple operation and light weight.
5. Mechanical password lock disk: It has multiple circular paddles, and the lock will not unlock until all the paddles are rotated to the correct angle. Because of its high security and longer password, it is suitable for use in banks, factories, military facilities and other places.
6. Shrapnel mechanical password lock: Use a key to unlock, and the internal mechanism forms a shrapnel when locked to prevent the mechanical pry bar from unlocking. Only by entering the correct password and using the correct key can it be unlocked.
7. Rotary mechanical password lock: Installed on the door handle, knob or handle, set the password by rotating the code disk, and then use the handle or knob to unlock. Because of fewer components, it is easier to install and maintain.
The above are the main types of mechanical password locks and their characteristics. When choosing, you should consider it comprehensively according to actual needs and usage scenarios.