| 摘要 |
A socket connection device of adjustable tension value for preventing an overlarge twisting force comprises a seat having a receiving space which penetrates through an upper and a lower end of the seat; one end of the seat being an engaging portion for engaging a spanner or a driving tool; another end of the seat being a hole section; a middle part of the receiving space between the engaging portion and the polygonal hole section being a threaded section; the control section including an adjusting block, an elastic unit, and a buckle block; and a head formed as a long rod; one end of the head being a buckling end having a shape corresponding to that of the buckle block; an outer periphery of the head near the buckling end being formed with an annular groove; and another end of the head opposite to the buckling end is an engaging end.
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