JPS6158724U

JPS6158724U -

Info

Publication number: JPS6158724U
Application number: JP14439684U
Authority: JP
Priority date: 1984-09-25
Filing date: 1984-09-25
Publication date: 1986-04-19

Description

[Brief explanation of the drawing]

第１図乃至第５図は本考案に係るもので、第１
図は第１の実施例を示すボルトとナツトの締結状
態の縦断面図、第２図は同実施例のナツトの半断
面分解斜視図、第３図乃至第５図は第２乃至第４
の実施例をそれぞれ示すボルトとナツトの締結状
態の縦断面図、第６図は従来の水道管の管継手部
分全体を示す斜視図である。７…ボルト、１７，２０，２２，２３…キヤツ
プ、１８…フランジ部、１２…ナツト、１５…ボ
ルト貫通孔、１６…環状溝。 Figures 1 to 5 are related to the present invention;
The figure is a vertical cross-sectional view of the bolt and nut in the fastened state showing the first embodiment, FIG. 2 is a half-sectional exploded perspective view of the nut of the same embodiment, and FIGS.
Fig. 6 is a vertical cross-sectional view showing the bolt and nut in a fastened state, respectively, showing the embodiments of Fig. 6, and Fig. 6 is a perspective view showing the entire pipe joint portion of a conventional water pipe. 7... Bolt, 17, 20, 22, 23... Cap, 18... Flange portion, 12... Nut, 15... Bolt through hole, 16... Annular groove.

Claims

[Claims for Utility Model Registration] 1. A flange portion protruding in the outer diameter direction is formed at the lower end of a cap made of a synthetic resin material with high stretchability and elasticity to cover the tip of the threaded portion of a bolt, and the flange portion A nut with a cap, characterized in that the cap is fitted into an annular groove formed in a bolt through hole of the nut. 2. The capped nut according to claim 1, wherein the cap is made of a rubber-like member. 3. Claims 1 and 2 of the utility model registration claim in which the side surface of the cap is a bellows that can be expanded and contracted.
Nut with cap as described in section. 4. The nut with a cap according to claim 2, wherein the inner diameter of the cap is set to be equal to or smaller than the diameter of the bolt through hole in the nut. 5. The nut with a cap according to claim 4 of the utility model registration, in which the top of the cap is open.