JPS62149613U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の断面図、第２図は
同上のねじ体を示す一部切欠断面図、第３図、第
４図及び第５図は従来例の断面図であつて、１は
ねじ体、２は取り付け材、３は取り付け基部、５
は軸部、５ａは非ねじ軸部、５ｂはねじ軸部、６
は弾性体、７は挿通孔、８はねじ孔、１０は平ワ
ツシヤ、１２は凹部である。 Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a partially cutaway sectional view showing the same screw body, and Figs. 3, 4, and 5 are sectional views of conventional examples. , 1 is a screw body, 2 is a mounting material, 3 is a mounting base, 5
is a shaft portion, 5a is a non-threaded shaft portion, 5b is a threaded shaft portion, 6
1 is an elastic body, 7 is an insertion hole, 8 is a screw hole, 10 is a flat washer, and 12 is a recess.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 頭付きのねじ体の首下の非ねじ軸部にばねワツ
シヤ、平ワツシヤ及び円環状の弾性体を順次嵌挿
し、円環状の弾性体の外径を平ワツシヤの外径よ
り小さくすると共に弾性体の内径を非ねじ軸部の
外径より小さくし、ねじ体の軸部を取り付け材の
挿通孔に挿通し、取り付け材の表面に平ワツシヤ
の外径より小さく且つ弾性体の外径よりやや大き
くしかも弾性体の厚さより浅く形成した凹部に弾
性体を入れ、取り付け材を重ねた取り付け基部の
ねじ孔にねじ体の軸部のねじ軸部を螺合すると共
にねじ体の締め付けにて平ワツシヤを取り付け材
の凹部の周縁に密着させて成るねじの取り付け構
造。 A spring washer, a flat washer, and an annular elastic body are sequentially fitted into the non-threaded shaft portion under the neck of a threaded body with a head, and the outer diameter of the annular elastic body is made smaller than the outer diameter of the flat washer, and the elastic body The inner diameter of the threaded body is smaller than the outer diameter of the non-threaded shaft part, the shaft part of the threaded body is inserted into the insertion hole of the mounting material, and the outer diameter of the flat washer is smaller than the outer diameter of the elastic body and slightly larger than the outer diameter of the elastic body. In addition, the elastic body is inserted into a recess formed shallower than the thickness of the elastic body, and the screw shaft of the screw body is screwed into the screw hole of the mounting base where the mounting material is overlapped, and the flat washer is tightened by tightening the screw body. A screw mounting structure that is tightly attached to the periphery of the recess in the mounting material.