| CPC A62B 35/0068 (2013.01) [E04G 21/3276 (2013.01)] | 12 Claims |
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1. A hole anchor, comprising:
a plug, wherein a center and a periphery of the plug respectively have a through hole and a cord hole;
an anchor shaft passing through the through hole and having an annular structure on a bottom end and a head on a top end of the anchor shaft, wherein the head has an axial hole penetrating along a left-right direction; a spring fits around a periphery of the anchor shaft, wherein a top end and a bottom end of the spring respectively abut against the plug and the annular structure;
an anchor head assembly comprising a first side rod, a second side rod, and a pivot unit, wherein the first side rod and the second side rod are juxtaposed to each other; the first side rod has a first closed end and a first open end opposite to the first closed end, wherein a first recess is recessed into an inner surface of a middle of the first side rod facing the second side rod; a first hole penetrates through the middle of the first side rod along the left-right direction; a top side of the first open end has a first pin base, wherein an inner surface of the first pin base facing the second side rod has a first pin groove; a portion of the first open end adjacent to a bottom side of the first pin base has a first recessed opening;
the second side rod has a second closed end and a second open end opposite to the second closed end, wherein a second recess is recessed into an inner surface of a middle of the second side rod facing the first side rod; the head is disposed between the first recess and the second recess; the second closed end is engaged with the first closed end via a concave-convex structure; a second hole penetrates through the middle of the second side rod along the left-right direction; a top side of the second open end has a second pin base; a gap is formed between the second pin base and the first pin base; an inner surface of the second pin base facing the first side rod has a second pin groove; a portion of the second open end adjacent to a bottom side of the second pin base has a second recessed opening; the pivot unit pivotally penetrates through the first hole, the axial hole, and the second hole for fixing; and
a guiding cord comprising a pin and a cord, wherein two ends of the pin respectively pass through the first pin groove and the second pin groove; a top end of the cord passes through the gap to be engaged with the pin, and a bottom end of the cord passes downward out of the cord hole of the plug.
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