JPH01118208U

JPH01118208U -

Info

Publication number: JPH01118208U
Application number: JP1337888U
Authority: JP
Priority date: 1988-02-03
Filing date: 1988-02-03
Publication date: 1989-08-10

Description

[Brief explanation of drawings]

第１図は本止着具の一部縦断面図であり、第２
図はその要部を示し、鋼材８と鋼材９とにそれを
挿通しようとする状態を示し、第３図はその締結
状態を示し、第４図は本止着具の全体的説明図、
第５図は従来型止着具の一部縦断面説明図。１……頭部、２……雌ねじ部、３……溝孔、４
……管状部材、５……雄ねじ、６……軸状部材、
７……案内部材、８，９……鋼材、１０，１１…
…孔、１２……応力集中部、１３……嵌着部。 FIG. 1 is a partial vertical sectional view of the main fastening device, and the second
The figure shows the main parts, and shows the state in which it is being inserted into the steel material 8 and the steel material 9, FIG. 3 shows the fastened state, and FIG. 4 is an overall explanatory diagram of the main fastening tool.
FIG. 5 is a partial vertical cross-sectional explanatory view of a conventional fastening tool. 1... Head, 2... Female threaded part, 3... Slot, 4
...Tubular member, 5...Male thread, 6...Shaft member,
7... Guide member, 8, 9... Steel material, 10, 11...
... hole, 12 ... stress concentration part, 13 ... fitting part.

Claims

[Scope of utility model registration request]

A tubular member 4 has a flange-like head 1 formed at the rear end, a female thread 2 on the inner surface of the tip, and a plurality of slots 3 extending in the axial direction in the middle, and a shaft. a male thread 5 having a length longer than the tubular member 4 and screwed into the female thread portion 2 on the outer periphery of the shaft portion;
A shaft-like member 6 is formed, and a shaft-like member 6 is fitted onto the distal end of the shaft-like member 6, and at least the distal end thereof is formed into a tapered shape, and the outer diameter of the rear end is approximately equal to the outer diameter of the tubular member 4. or a guide member 7 that is larger than that.