cylinder lock
Học thuậtThân thiện
Definition
- Noun:
- A type of lock mechanism: A cylinder lock is a lock in which a cylindrical plug rotates to move the bolt. The mechanism uses a series of pins; inserting the correct key lifts and aligns these pins, allowing the cylinder to rotate and operate the lock.
Usage Examples
- Noun:
- Most modern residential doors are secured with a cylinder lock.
- The locksmith recommended replacing the old warded lock with a more secure cylinder lock.
- To rekey the cylinder lock, you need to adjust the pin tumblers inside.
Advanced Usage
"Deadbolt cylinder lock": A specific type of cylinder lock that operates a deadbolt, a solid metal bolt that extends into the door frame.
- For added security, install a deadbolt cylinder lock on your exterior doors.
"Euro cylinder lock": A common standard for cylinder locks in Europe, often used in uPVC and composite doors.
- The euro cylinder lock can be easily replaced if the keys are lost.
Variants and Related Words
Pin tumbler lock: A more technical term often used synonymously with cylinder lock, describing the internal pin mechanism.
- The pin tumbler lock is the most common design for cylinder locks.
Cylinder: Refers specifically to the rotating plug part of the lock.
- The key turns the cylinder to retract the latch.
Synonyms
- Pin tumbler lock: A lock operated by aligning pin tumblers.
- Barrel lock: An informal term sometimes used, though less precise.
Related Phrases
"To pick a cylinder lock": The act of manipulating the pins inside a cylinder lock to open it without the original key.
- Learning to pick a cylinder lock requires understanding its pin mechanism.
"Cylinder lock housing": The fixed outer casing that holds the rotating cylinder.
- The cylinder lock housing was damaged and needed replacement.
Noun
- a lock in which a cylinder rotates to move a bolt; tumblers are pins; inserting the key lifts and aligns the pins to free the cylinder to rotate