Incorgruous antithetical couplet of binary channels accuse single current valve

• Main Authors: XU HAOYANG, REN YONGQIANG, LIU YUHAI, TI YUN, ZHANG YI, GUO SHUDUN, YANG XIAOTAO, YU LIMIN, WANG YANSHENG, OU MINGJUN, LIU YUWEI, XU KEBIN
• Format: Patent
• Language: English
• Published: 05.08.2015
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model discloses an incorgruous antithetical couplet of binary channels accuse single current valve, including left valve body, right valve body, inlayer piston, outer piston, inlayer reset spring, outer reset spring, leave the space of predetermineeing the size between the pore wall of the pore wall of first right through-hole and first left through-hole, it evenly is provided with a plurality of inner groovies to correspond ground circumference with the space on the outer wall of inlayer piston, on the inner wall of outer piston with the inner groovy one-to-one be provided with a plurality of outer recesses, the bottom of every outer recess all is equipped with a round pin axle reset spring, a round pin reset spring passes through a round pin axle in the income inner groovy of space top, it is equipped with a blind hole all to correspond with every round pin axle in the pore wall of first right through-hole, all be equipped with a slider and slider reset spring in every blind hole, slider reset spring presses at the round pin slider epaxial, when moving, the inlayer piston drives outer piston simultaneous movement through the round pin axle right under the pressure of left side. Through the utility model discloses in can prevent the blowout accident effectively when the unexpected circumstances takes place.