| 摘要 |
A retaining device for a tube member contains a body including a peripheral fringe and a side fringe connected together to define a receiving space, the receiving space including a first and a second sides, the peripheral fringe including a first engaging portion defined thereon, including a first connecting portion and a fixed portion connected with two ends of the first engaging portion respectively; a movable retaining member installed in the receiving space, and including a second engaging portion, and including a second connecting portion and a movable portion connected with two ends of the second engaging portion respectively, the second connecting portion being used to connect with the first connecting portion of the body; a locking element being used to force the moving portion toward the fixed portion of the body so that the external fence is retained tightly between the first locking fences and the locking fences.
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