| 摘要 |
A mounting structure for engagement of sleeves has an outer sleeve and an inner sleeve. The outer sleeve is mounted around the inner sleeve and has an outer surface. The inner sleeve has an isolating slot and may have at least one functionary element. The isolating slot is defined in the inner sleeve between the inner surface and the outer surface of the outer sleeves and has a depth. When an appropriate force is applied to the outer surface of the outer sleeve to make the sleeves deform to engage with each other, the deformation of the inner sleeve will stop by the isolating sleeve. Therefore the functionary elements mounted inside the inner sleeve will not be damaged.
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