Spherical spacer



The utility model relates to a spherical spacer, its characterized in that is including the sheet noumenon that is spherical, the neighboring of body is for circular and the central through -hole that is equipped with, through -hole department is equipped with the turn -ups to centre of sphere direction, the circumference array has concave point in the at least round on the interior sphere of body and the spherical outside surface, interior concave point is sphere form pit, and the interior concave point of interior sphere with the interior concave point dislocation set of spherical outside surface. The utility model discloses simple structure sets up interior concave point on spherical spacer's interior sphere and spherical outside surface, improve the lubricated situation of spherical spacer, improves spherical spacer wearability and reliability, increase of service life.




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