Ball chain
The utility model relates to the technical field of chains, and discloses a ball chain which comprises a plurality of outer chain plates, a mounting plate is fixedly connected to the top ends of the outer chain plates, two mounting holes are formed in the top end of the mounting plate at equal inter...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of chains, and discloses a ball chain which comprises a plurality of outer chain plates, a mounting plate is fixedly connected to the top ends of the outer chain plates, two mounting holes are formed in the top end of the mounting plate at equal intervals, and two connecting shafts are rotatably connected to the middles of the outer chain plates at equal intervals. Two inner chain plates are movably connected to the middle of the outer surface of the connecting shaft, a roller assembly is rotationally connected to the middle of the outer surface of the connecting shaft, anti-collision rubber rings are movably connected to the left end and the right end of the roller assembly correspondingly, and limiting structures are arranged on the left side and the right side of the connecting shaft correspondingly. Lubricating oil in the oil pipe is uniformly smeared on the outer surface of the connecting shaft through the oil groove along with rotation of the roller, norm |
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