Cover pullout mechanism
A technology for connecting cylinders and U-shaped grooves, which is applied in the direction of hand-held tools and manufacturing tools, can solve the problems of increasing the workload of workers, low efficiency, and heavy labor, so as to improve the extraction efficiency of oil seals, improve work efficiency, and increase The effect of force area
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[0023] like Figure 1~Figure 3 As shown, this embodiment includes a support base 1 with a U-shaped groove at the bottom, a through hole 10 and an abdication hole 9 communicating with each other are opened at the upper end of the support base 1, and the extraction rod 4 passes through the through hole 10 and is placed in a U-shaped In the groove, a hollow and annular connecting cylinder 3 is set in the middle of the extracting rod 4, the connecting cylinder 3 is in contact with the inner wall of the through hole 10, and an external thread is also provided on the outer wall of the extracting rod 4, And the external thread is threadedly matched with the upper part of the inner wall of the connecting cylinder 3, and the end of the extraction rod 4 is rotated to be provided with a snap-in disc 5, the outer diameter of the snap-in disc 5 is larger than the outer diameter of the extraction rod 4; The nut 2, the screw nut 2 is threadedly matched with the connecting cylinder 3, the dia...
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