【物品用途】;本創作的物品用途為套筒。;【創作特點】;如附圖所示，本創作包括有一套筒本體，其可分為承接部分及套接部分的二大部分，其中，承接部分係為圓柱狀，且於其內形成有四角形暨其角隅處呈局部圓形狀的承接孔(如仰視圖)，以使承接孔可連通至套接部分之內弧凸六角形狀的內凹槽內；而套接部分為圓柱狀，且其外徑係大於承接部分的外徑，並於套接部分至承接部分間呈圓弧角方式連接呈一體狀(如：前視圖)，又，套接部分的中間處形成有一呈內弧凸六角形狀的內凹槽(如：俯視圖)，且於套接部分的外徑上形成有二條環溝槽，以使其將套接部分的外表面區分呈上、中、下三個不同面積大小的區域，其中，位於上區域約二分之一(即由上往下計算)處至第一條環溝槽間的表面上刻劃佈滿有近鳳梨紋或近鑽石紋排列的凸紋設計及已位於下區域表面上刻劃佈滿有近鳳梨紋或近鑽石紋排列的凸紋之設計(如：立體圖及前視圖)；綜觀套筒(四)的整體形狀及不對稱設計手法，為同類產品中之首見，其完全符合新式樣專利申請要件，爰依法提出專利申請。[Purpose of the article]; The purpose of the article of this invention is a sleeve.; [Features of the invention]; As shown in the attached figure, this invention includes a sleeve body, which can be divided into two major parts: a receiving part and a sleeve part. Among them, the receiving part is cylindrical, and a receiving hole with a quadrangular shape and a partially circular corner is formed therein (as shown in the bottom view), so that the receiving hole can be connected to the inner groove of the sleeve part with an inner arc convex hexagonal shape; and the sleeve part is cylindrical, and its outer diameter is larger than the outer diameter of the receiving part, and the sleeve part and the receiving part are connected in an arc angle manner to form an integral shape (as shown in the front view), and an inner groove with an inner arc convex hexagonal shape is formed in the middle of the sleeve part (as shown in the top view) , and two annular grooves are formed on the outer diameter of the sleeve portion so as to divide the outer surface of the sleeve portion into three regions of different sizes, namely, upper, middle and lower regions, wherein the surface between about one-half of the upper region (i.e., measured from top to bottom) and the first annular groove is engraved with a convex pattern design arranged in a pattern close to pineapple texture or diamond texture, and the surface of the lower region is engraved with a convex pattern design arranged in a pattern close to pineapple texture or diamond texture (such as: three-dimensional view and front view); the overall shape and asymmetrical design technique of the sleeve (IV) are the first of its kind among similar products, and it fully meets the requirements for a new design patent application, and a patent application is filed in accordance with the law.