CPC B65H 75/249 (2021.05) | 17 Claims |
1. A tensioning mechanism, comprising:
a housing, wherein the housing comprises an accommodation cavity, and the housing is configured to be sleeved with a to-be-tensioned material;
a tensioning assembly, wherein the tensioning assembly is mounted in the accommodation cavity;
a driving assembly, wherein the driving assembly is mounted on the housing, and the driving assembly is configured to drive the tensioning assembly to move against the housing, so that at least a part of the tensioning assembly protrudes from or retracts into the housing; and
a bearing, wherein the bearing is mounted on the housing through a mounting base, and the bearing at least partly protrudes out of the housing;
wherein the driving assembly comprises a handle, the handle is mounted on an outer side of the housing, and the handle is configured to manually drive the tensioning assembly to move against the housing.
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