Yi Seed set Bao Han Valve Body from Move Pai Sha Installed, the portions Installed Let, Closed closes Single members, Ji Knot close Single members, Valve Body define the first portions Inner sky Inter, and one end portions Net including Xing Cheng Valve Body, and the Open mouths that shape is logical at the other end and the first portions Inner sky Inter Even of With in Valve Body, the portions Net Xing Cheng Complex Number Ge perforate, it is logical to wear the first portions Inner sky Inter Even of hole With, Installed Let portion Let are set in the first portions Inner sky Inter, and the Zhong Xin in the portions Zi The Net extend Xiang Open mouthfuls of direction, And Ring Wound Xing Cheng Installed Let Kong Inter, Closed closes Single members Ke Off From Let Zhi Installed Let Kong Inter, and the first Wei Zhi Time of, the portions Zu Ge Open Kou With Net, When not the first Wei Zhi Time of, Open Kou With Net Bu Even are logical, Knot closes Single members and defines the 2nd portions Inner sky Inter, and Ke Off From With Valve Body Knot are closed, Knot closes Single Yuan With Valve Body Knot He Time, the first portions Inner sky Inter Even of 2nd portions Inner sky Inter With are logical.一種自動排沙裝置包含閥體、裝設部、閉合單元,及結合單元,閥體界定第一內部空間,且包括形成在閥體的一端的網部,及形成在閥體的另一端且與第一內部空間連通的開口,網部形成複數個穿孔,穿孔與第一內部空間連通,裝設部設置在第一內部空間,且自該網部的中心向開口的方向延伸,並環繞形成裝設空間,閉合單元可脫離的設置在裝設空間,且在第一位置時,阻隔開口與網部,當不在第一位置時,開口與網部連通,結合單元界定第二內部空間,且可脫離的與閥體結合,結合單元與閥體結合時,第二內部空間與第一內部空間連通。(3)‧‧‧閥體(31)‧‧‧第一內部空間(32)‧‧‧網部(321)‧‧‧穿孔(33)‧‧‧開口(34)‧‧‧第一內周面(35)‧‧‧第二內周面(36)‧‧‧第一肩面(37)‧‧‧第三內周面(371)‧‧‧外螺紋(38)‧‧‧第二肩面(4)‧‧‧裝設部(41)‧‧‧裝設空間(5)‧‧‧閉合單元(51)‧‧‧閉合件(511)‧‧‧設置部(512)‧‧‧受力部(52)‧‧‧彈簧(6)‧‧‧擋止環(7)‧‧‧結合單元(71)‧‧‧第二內部空間(72)‧‧‧結合件(73)‧‧‧裝卸面(74)‧‧‧凸柱(75)‧‧‧空心柱(76)‧‧‧套環(8)‧‧‧固定棒
