JPS6411421U - - Google Patents

Description

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

第１図は本考案による一実施例の要部分解側断
面図、第２図は第１図の弾性ブツシユの他の挿入
状態を示す断面図、第３図は第１図の組立後の状
態を示す要部側断面図、第４図は第３図の筐体枠
への取付け状態を示す要部側断面図、第５図は従
来技術による要部分解側断面図、第６図は第５図
の組立後、運搬中の状態を示す要部側断面図、第
７図は第６図の筐体枠への取付け状態を示す要部
側断面図である。 図において、１は取付ねじ、１ａはねじ頭、１
ｂは首付部、１ｃはねじ部、２は間隔管、２ａは
くぼみ穴、２ｂは圧入孔、３は弾性ブツシユ、３
ａは挿通孔、４は表面カバー、４ａはばか穴、５
は筐体枠、５ａは取付ねじ穴、５ｂは取付け面を
示す。 Fig. 1 is an exploded side sectional view of a main part of an embodiment of the present invention, Fig. 2 is a sectional view showing another inserted state of the elastic bushing shown in Fig. 1, and Fig. 3 is a state after assembly shown in Fig. 1. FIG. 4 is a side sectional view of the main part showing how it is attached to the housing frame of FIG. 3, FIG. 5 is an exploded side sectional view of the main part according to the prior art, and FIG. FIG. 5 is a side sectional view of the main part showing the state after assembly and during transportation, and FIG. 7 is a side sectional view of the main part showing the state of attachment to the housing frame of FIG. 6. In the figure, 1 is a mounting screw, 1a is a screw head, 1
b is a necked portion, 1c is a threaded portion, 2 is a spacer tube, 2a is a recessed hole, 2b is a press-fit hole, 3 is an elastic bushing, 3
a is the insertion hole, 4 is the surface cover, 4a is the hole, 5
5a is a mounting screw hole, and 5b is a mounting surface.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ねじ頭１ａの首下にねじの谷径より僅かに小径
の首付部１ｂとねじ部１ｃとを備えた取付ねじ１
と、一端に上記ねじ部１ｃを納め得る深さのくぼ
み穴２ａと他端に弾性ブツシユ３を固着する圧入
孔２ｂとを軸心に備えた間隔管２と、上記首付部
１ｂに嵌まる挿通孔３ａを備えた弾性ブツシユ３
とからなり、上記取付ねじ１を表面カバー４のば
か穴４ａの挿通した後、上記首付部１ｂに上記弾
性ブツシユ３を静合嵌設し、且つ該弾性ブツシユ
３を上記圧入孔２ｂに圧入固着して上記取付ねじ
１を上記間隔管２の軸心上に保持するとともに上
記ばか穴４ａに上記ねじ頭１ａを係止してなるこ
とを特徴とする取付ねじ用間隔管の脱落防止構造
。 A mounting screw 1 includes a necked portion 1b and a threaded portion 1c with a diameter slightly smaller than the root diameter of the screw below the neck of the screw head 1a.
, a spacer tube 2 having a recessed hole 2a deep enough to accommodate the threaded portion 1c at one end, and a press-fit hole 2b for fixing the elastic bushing 3 at the other end on its axis, and an insertion tube that fits into the necked portion 1b. Elastic bushing 3 with holes 3a
After inserting the mounting screw 1 into the hole 4a of the surface cover 4, the elastic bushing 3 is statically fitted into the necked portion 1b, and the elastic bushing 3 is press-fitted into the press-fit hole 2b. A structure for preventing falling off of a spacing tube for a mounting screw, characterized in that the mounting screw 1 is held on the axis of the spacing tube 2, and the screw head 1a is locked in the blank hole 4a.