This article will show you the disadvantages of installing a heaven and earth hook. You can have a better understanding when choosing the right locks for your home or hotel doors.
What’s the heaven and earth hook?
The heaven and earth hook lock mortise is widely used in the anti-thief types of locks. Its original intention is to provide better security protection for door locks and prevent strangers from breaking in.
You can check the below picture for the difference between normal lock mortise and heaven and earth hook lock mortise.
What’s the disadvantage of installing the heaven and earth hook lock mortise in our home?
- Increase the failure frequency of door locks. The heaven and earth hook has added parts to the door panel, and it will malfunction from time to time. Sometimes this part cannot be opened by the key, which causes people outside to get in and people inside to get out.
- Reduce the service life of the door lock. Because the tongue of the heaven and earth hook is connected with the door lock of the anti-theft door, the lock body increases the stress surface, and the lock body is worn out after a long time of unlocking the heaven and earth hook, and it takes a few years to replace the door lock.
- Increase fire hazards. In the beginning, I also said that the heaven and earth hook will hinder the use of the escape function, especially in the event of a fire, the firefighters violently open the door, and the heaven and earth hook increases the difficulty of opening the door and delays the time.
Conclusion
Hope you can have a clear understanding of the lock mortise choosing when purchasing your door locks.
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