A kind of buckle structure improvement of rotatable swing,Comprising a male fastener and a mother buckle,The male fastener is equipped with an eye-splice piece,Waist is cut in the eye-splice piece and linking part junction setting one,The mother buckle is equipped with an engaging portion,The engaging portion is equipped with one and fastens the eye-splice slot to form arc contact for male fastener eye-splice piece,The eye-splice slot upper limb be equipped with one toward eye-splice slot stop edge,The another engaging portion side is equipped with an opening and communicates with the eye-splice slot,The opening two sides and the eye-splice slot joint are equipped with two and fix point,What public affairs,When mother buckle mutually fastens,The eye-splice piece force of male fastener is forced through the two of mother buckle opening and fixes point,It is fastened in into eye-splice slot,Form the fixing of rotatable swing； Thereby,In order to up to safety,Practical and durable benefit.一種可旋轉擺動之扣具結構改良，包含一公扣件及一母扣件，該公扣件設有一插扣片，該插扣片與連結部連接處設置一削腰部，該母扣件設有一扣接部，該扣接部上設有一可供公扣件插扣片扣合形成圓弧接觸之插扣槽，該插扣槽上緣設有一往插扣槽突伸之止擋緣，另該扣接部一側設有一開口與該插扣槽相通，該開口兩側與該插扣槽相接處設有兩卡固點，於公、母扣件相互扣合時，公扣件之插扣片施力強行通過母扣件開口之兩卡固點，進入插扣槽內扣合，形成可旋轉擺動的卡固；藉此，俾達具有安全、實用及耐用之效益。
