End cover locking mechanism of fixed constant speed ball cage universal joint

The utility model discloses an end cover locking mechanism of fixed constant speed ball cage universal joint, including bell shell and end cover, the left side of bell shell is embedded to have the end cover, the draw -in groove has all been seted up to both sides about the inner chamber left side of bell shell, it has adapting unit all to inlay in the upper and lower both sides recess of end cover, adapting unit includes the rectangle case, the equal joint in the inner chamber left and right sides of rectangle case has the guide rail, the inner chamber central point of rectangle case puts theone end that the joint has the spring, and the other end joint of spring has a supporting seat, the one end of connecting rod is all welded to the left and right sides of supporting seat, and the other end joint of connecting rod has a slider with guide rail matched with, the ball that has with card slot well -matched is inlayed in the outside of supporting seat. This end cover locking mechanismof fixed constant speed ba