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CN2199351Y 异形螺母膨胀螺丝 失效 - 权利终止

异形螺母膨胀螺丝
摘要：
一种异形螺母膨胀螺丝，由螺栓、膨胀套管、垫圈组成，在螺栓的螺纹部末端设有相匹螺纹的异形螺母。异形螺母呈锥体状，一端可套入膨胀套管。在异形螺母与螺栓尾部间，分别套入膨胀套管、垫圈和弹簧垫圈。具有结构简单、使用方便的特点。适用于多种物体的固定。
摘要（英）：

The utility model discloses a shaped nut expansion screw, being composed of a screw bolt, an expansion sleeve and a washer. The end of a screw thread of the screw is provided with a shaped screw nut matched with the screw thread. The shaped screw nut forms a cone shape, one end can be sheathed in the expansion sleeve. The expansion sleeve, the washer and a spring washer are respectively sheathed between the shaped screw nut and the tail part of the screw bolt. The utility model which has the advantages of simple structure and convenient use is suitable for fixing multiple objects.

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