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发明公开
CN110842833A 一种防止弹簧垫圈胀圈的套筒 无效 - 撤回

一种防止弹簧垫圈胀圈的套筒
摘要：
本发明公开了一种防止弹簧垫圈胀圈的套筒，包括套筒本体，在所述的套筒本体内设有与螺栓六角头或螺母配合的内六角孔，在所述的套筒本体与螺栓六角头或螺母配合的一端设有能罩在弹簧垫圈外圈的沉孔，采用上面结构的套筒在紧固螺栓或螺母时沉孔能够罩在弹簧垫圈外圈，从而当弹簧垫圈有胀圈趋势时该沉孔便能够对其进行限位，从而避免胀圈现象的发生。
摘要（英）：

The invention discloses a sleeve capable of preventing a spring gasket from expanding. The sleeve comprises a sleeve body. An inner hexagonal hole cooperating with a bolt hexagonal head or nut is arranged in the sleeve body. A counter bore capable of covering the outer ring of the spring gasket is arranged at the end, cooperating with the bolt hexagonal head or nut, of the sleeve body. When the sleeve of the above structure is adopted for fastening a bolt or nut, the counter bore can cover the outer ring of the spring gasket, and therefore the counter bore can limit the spring gasket when thespring gasket has the tendency of expanding, and therefore the phenomenon of expanding is avoided.

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