If you’re tired of dealing with loose latches that constantly require retightening, self-adjusting latches may be the answer. Like all latches, they are commonly used to secure access panels, cabinets and doors. Self-adjusting latches, however, live up to their namesake by automatically adjusting themselves.
What Are Self-Adjusting Latches?
Self-adjusting latches are mechanical latching mechanisms that automatically adjust their clamping force. They maintain a consistent clamping force to ensure that the objects with which they are used remain secure.
External forces, such as vibrations, can cause traditional latches to loosen. While you can always retighten it, another option is to use a self-adjusting latch. Self-adjusting latches can handle vibrations and other external forces without loosening.
Benefits of self-adjusting latches include the following:
- Requires little or no maintenance
- Protects panels and objects from rattling
- Promotes tight seals around gaskets
- Easy to install
How Self-Adjusting Latches Work
Most self-adjusting latches feature a built-in spring or cam. They absorb vibrations while simultaneously applying even pressure to the panel or object.
When you close a self-adjusting latch, it will secure and clamp the object in place. The built-in spring or cam will continue to apply pressure, which helps to hold the object. Even if vibrations occur, the latch will automatically adjust itself. The end result is a highly secure panel or object that doesn’t loosen over time.
Choosing a Self-Adjusting Latch
There are several things you should consider when choosing a self-adjusting latch, one of which is the material. Stainless steel is a popular material from which they are made. In addition to being strong, stainless steel latches can withstand moisture without rusting.
Self-adjusting latches are available in different finishes. Some of them have an electropolished finish, for instance, whereas others have a zinc-plated finish. The finish acts as an outer layer of protection, shielding the underlying material from environmental contaminants.
You can find self-adjusting latches in different styles. There are flush-mounted styles that, as the name suggests, sit flush with panels and objects. There are also single-hole styles that feature a single mounting hole, and there are three-hole styles that feature three mounting holes.
In Conclusion
By maintaining a steady clamping force without frequent adjustment, self-adjusting latches help extend the life of panels, gaskets and enclosures. This added stability can reduce maintenance needs and prevent problems caused by vibration or movement.