JPH0333214U

JPH0333214U -

Info

Publication number: JPH0333214U
Application number: JP9518889U
Authority: JP
Priority date: 1989-08-10
Filing date: 1989-08-10
Publication date: 1991-04-02

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す模式的斜視図
、第２図ａとｂは本考案によるボルトの装着前の
姿勢を示す斜視図と側断面図、第３図ａとｂは本
考案によるボルトの装着後の姿勢を示す斜視図と
側断面図である。図において、１は大径孔部、２はネジ部、３は
小径孔部、５は摺動孔、６はバネ係入溝、７は結
合バネ、８は頭部、１０はボルト本体、１１は大
径孔部、１３は小径軸部、１５は摺動部材、１６
は復帰バネ、２０は操作ヘツド、３０は相手部材
、ｄは縮小時のネジ部の外径、ｄ_１は拡大時のネ
ジ部の外径、Ｄはネジ孔の内径、Ｄ′はネジ孔の
最大径、△はボルト本体と相手部材間に生じる隙
間、０はネジの中心軸、をそれぞれ示す。 Fig. 1 is a schematic perspective view showing one embodiment of the present invention, Figs. 2 a and b are perspective views and side sectional views showing the posture of the bolt according to the present invention before installation, and Figs. 3 a and b are the main views of the present invention. FIG. 3 is a perspective view and a side sectional view showing the posture of the bolt according to the invention after it is installed. In the figure, 1 is a large diameter hole, 2 is a screw part, 3 is a small diameter hole, 5 is a sliding hole, 6 is a spring engagement groove, 7 is a coupling spring, 8 is a head, 10 is a bolt body, 11 13 is a large diameter hole portion, 13 is a small diameter shaft portion, 15 is a sliding member, 16
is the return spring, 20 is the operating head, 30 is the mating member, d is the outer diameter of the threaded part when contracted, _d1 is the outer diameter of the threaded part when expanded, D is the inner diameter of the threaded hole, and D' is the threaded hole's outer diameter. The maximum diameter, △ indicates the gap created between the bolt body and the mating member, and 0 indicates the central axis of the screw.

Claims

[Claims for Utility Model Registration] A sliding bolt used for fastening parts, which has a threaded portion 2 formed on its outer peripheral surface and has a large diameter hole 1 and a small diameter hole 3 on its central axis 0. A bolt body 10 having a hole 5 and further divided into at least two parts in the axial direction, and a bolt body 10 that is slidably arranged in the sliding hole 5 and that has a large diameter hole 1 and a small diameter hole. A sliding member 1 comprising a large diameter shaft portion 11 and a small diameter shaft portion 13 corresponding to No. 3.
5. A bolt comprising: