A new type of elastic Collapsible Core,Ruibole

An elastic Collapsible Core disclosed by RuiBole includes a telescopic rod, a Collapsible Core and a Collapsible sleeve. The telescopic core is sleeved on the outer side of the telescopic rod, and a telescopic sleeve is installed on one side of the Collapsiblecore, and the telescopic core The inner surface of the bottom end of the bottom end is provided with a groove with a cross section of a circular ring, and a ball sleeve is provided in the groove, and the ball sleeve is fitted in the groove, and the outer surface of the ball in the ball sleeve is telescopic The inner surface of the bottom of the core is flat.

The new type of elastic Collapsible Core, when the bottom plate pushes the telescopic rod for upward push, the open state starts injection molding. When the bottom plate is pulled down, the telescopic rod leaves the telescopic core, and the telescopic core retracts inward to the demolding state, passing on the inner side of the telescopic core The surface is provided with a ball sleeve. During the upward or downward movement of the telescopic rod, the friction between the inner surface of the telescopic core and the outer surface of the telescopic rod is reduced to avoid heat generation, which is beneficial to extend the service life of the Collapsible Core.