Device of uncapping suitable for PCR pipes that ally oneself with more

The utility model discloses a device of uncapping suitable for PCR pipes that ally oneself with more, include circular -arc portion and the first extension and the second extension that extend from circular -arc portion both ends, the inboard of first extension and second extension sets up quantity and equals, the convex recess of position one -to -one, be dentate structure between two adjacent convex recesses, the tip of first extension is equipped with the inboard first cooperation inclined plane of the first extension of orientation, the tip of second extension is equipped with towards theinboard second cooperation inclined plane of second extension, first cooperation inclined plane and the second cooperation inclined plane for being parallel to each other wherein, mutually support andform inclined plane staggered structure in first cooperation inclined plane and two cooperation inclined planes. Utilizing inclined plane dislocation effect, having increaseed the distance of first extension and second extens