Traditional Lock Cylinder Components(Lock Body)

Publish Time: 2022-01-28     Origin: Site

Each lock is made differently, so let's look at the anatomy of a standard door lock seen in houses and light business buildings. The cylinder, bolt, box, and strike plate are the four basic components of a door lock.


Knowing how things work around the house is beneficial to any DIYer. Understanding the various components that go into making a door handle and lock operate will assist you in repairing minor issues on your own.


Here are the main points:

1. Cylinder (lock body)

2. Bolt or Latch

3. Strike Plate & Box


1. Cylinder (lock body)

It is the component of the door lock where the key is inserted. When the cylinder is locked, it engages a series of spring-loaded pins that prevent the cylinder from rotating. When you insert a key, the uneven edge of the lock body pushes the pins upward to meet the key's height in that location. When the pins move into their right positions, it recognises the correct key. This "opens" the cylinder, allowing you to open the door by moving the bolt.


2. Bolt or Latch

A bolt within the door is engaged by the lock. This metal plate extends from the door into the frame and secures it shut. A spring bolt and a deadbolt are the two major types of latch (or bolt).

l A spring latch is a bolt that is kept in place by a spring clip. When the spring is squeezed, the bolt is unlocked, and when it is released, it snaps back into place. When this style of door is closed, it usually locks automatically.

l A deadbolt lacks the spring-loaded mechanism of a deadbolt. It can be locked or opened with a key or a knob on one side of the door at any time. Between the two types of bolts, deadbolts are generally considered to be the more secure option, especially when the lock contains a deadbolt plunger. The deadbolt plunger (or guardbolt) is a tiny piece of hardware that sits next to the deadbolt and prevents the lock from being picked or 'jimmied' open.


3. Strike Plate & Box

The "box" is formed by the bolt extending from the cylinder into a little square shaped hole. When the lock is engaged, it is designed to secure the bolt in the doorframe.

The striking plate is a metal plate that attaches to the door's frame. The strike plate's function is to guide the bolt from the cylinder into the frame's box and provide additional support to the locking mechanism.


WUXI GMB International Corporation, which was established in 2005, is a major exporter and professional provider of door hardware goods such as lock bodies, door handles, lock cylinders, padlocks, door hinges, ball-bearing slides, and other furniture hardware. GMB has created long-term commercial relationships with key organisations in numerous countries and regions, thanks to a strong foundation in the hardware locks industry spanning over 15 years. Year after year, our business has grown and our volume has increased. We are focused on market exploitation and cultivation, as well as developing, designing, and manufacturing high-quality products.