Patent ID: 9684391
Date: 2017-06-20
CPC Classifications: B43K,G06F

Claim:
1. A pen touch tool mechanism for extending and retracting a touch tool for operating a touch sensitive surface of an intelligent device, comprising: a touch tool, comprising a disc portion and a straight bar connected with a center region of the disc portion; a hollow cylindrical upper ring, wherein its upper part forms a step in which to accommodate the touch tool, and wherein the step is supported on a rotating sleeve liner, and a symmetrical vertical guide groove is arranged in a lower cylindrical inner chamber of the upper ring; a rotating wheel, wherein an upper part of the rotating wheel is provided with a cylindrical hole for accommodating the straight bar of the touch tool, the upper part is provided with a guiding element matched with the guide groove, and a lower part of the rotating wheel is provided with an incline surface corresponding to a deck of a lower ring; the lower ring, wherein an upper outer part of the lower ring is provided with an annular spacing groove, and an inner chamber of the lower ring is provided with a deck corresponding to the incline surface, and a middle outer part of the lower ring is provided with a support ring; a rotating sleeve assembly, arranged between the outer step of the upper ring and the support ring of the lower ring and sheathed outside the upper ring, a lower part of the rotating sleeve assembly is provided with a projection corresponding to the annular spacing groove, and the projection is spaced within the annular spacing groove of the lower ring; a pen holder, wherein the support ring of the lower ring is fixed inside the pen holder; wherein when the rotating sleeve assembly is rotated with respect to the pen holder, it drives the rotating wheel to rotate, the incline surface on the lower part of the rotating wheel touches the deck of the lower ring and butts against the deck, and the rotating wheel rises along with its rotation, so the touch tool disc portion fixed to the rotating wheel rises and extends out of the upper ring; during further rotation, the incline surface surmounts the deck and enters a space within the lower ring and the rotating wheel is reset under the restoring force of a spring, so that the touch tool disc portion is retracted into the step of the upper ring.