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Quick Lock 3.0 Design


dot2 Locking Mechanism Function Demo

Function Demo

Locking Mechanism Function Demo


For a locking mechanism, the Quick Lock Forum design employs a ring like locking sheet with inner and outer teeth, similar in construction to the one found in the 1.0/2.3 series connector. This spring lock is unobtrusive enough to accommodate an O-ring seal in the connector plug, and also allows for smooth engagement/disengagement as well as excellent interface retention force.

dot2 Spring Lock

Ring locking
Ring-like locking sheet with inner and outer teeth

dot2 Applied Mechanics

This was achieved by designing the spring lock around the principle of mechanics which show that when two forces act on the same object, the size of the resultant force is dependent on the strength of the component forces and the angle of those forces.
power principle
power formular

dot2 This equation shows that even if Fn represents only a relatively small force acting on point O, as in the diagram above, as the degree of the angle approaches 90º a significantly greater force is brought to bear than simply the combination of the two component forces.
Degree of Contact for Inner Teeth
Degree of Contact for Inner Teeth

dot2 Using this principle, the Quick Lock Forum designed its locking mechanism so that the adjacent inner teeth of the ring-like locking sheet have different lengths, which enable them to stop on different circumferences of a slope on the female outer conductor when locking. The angle between the longer teeth and the down slope is 90º, while that between the shorter teeth and the down slope is 90º (See Figure 4). By being as close as possible to 90 degrees, this locking mechanism generates a very high interface retention force as well as making the connector vibration resistant. In addition, it can remain effective for more than 200 mating cycles.