JPS5939311U

JPS5939311U - Handle nut loosening prevention device

Info

Publication number: JPS5939311U
Application number: JP13432682U
Authority: JP
Inventors: 知佳士五味
Original assignee: 株式会社北沢バルブ
Priority date: 1982-09-06
Filing date: 1982-09-06
Publication date: 1984-03-13
Also published as: JPH0247289Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図及び第２図は、従来例を示した一部切欠ぎ縦断面
図、第３図〜第５図はハンドルナツトの緩む理由を説明
した部分平面説明図で、第６図〜第１１図は本考案の実
施例を示したものであり、第６図は本考案の一部切欠き
縦断面図、第７図は同上の部分平面図、第８図Ａは本考
案におけるナツトの断面図、第８図Ｂは同上の底面図、
第９図Ａは本考案におけるハンドルの部分平面図、第９
図Ｂは同上の断面図、第１０図はノ１ンドルの係合部の
一例を示す部分展開図、第１１図は７１ンドルとナツト
の噛み合い部分を示す部分展開図、第、１２図は本考案
における他側を示す分離斜視図である。１３・・・回転軸（ステム）、１４・・・ハンドル、１
５・・・嵌合孔、１７・・・ナツト、１８・・・螺子部
、１９・・・係止部、２０・・・係合部。第３図（＼、 □６゜−９ □□）第４図　　　　　　　　第５図第７図アト、７　　　磨皓　（Ａ）フ雉ワ威外“1 and 2 are partially cutaway vertical sectional views showing a conventional example, FIGS. 3 to 5 are partial plan views explaining the reason why the handle nut loosens, and FIGS. 6 to 11 are The figures show an embodiment of the present invention; FIG. 6 is a partially cutaway vertical sectional view of the present invention, FIG. 7 is a partial plan view of the same, and FIG. 8A is a cross-section of the nut in the present invention. Figure 8B is a bottom view of the same as above;
FIG. 9A is a partial plan view of the handle in the present invention;
Figure B is a cross-sectional view of the same as above, Figure 10 is a partially developed view showing an example of the engaging part of the nodule, Figure 11 is a partially developed view showing the engaging part of the 71st needle and the nut, and Figures 12 and 12 are the main parts. FIG. 3 is an exploded perspective view showing the other side of the device; 13... Rotating shaft (stem), 14... Handle, 1
5... Fitting hole, 17... Nut, 18... Screw part, 19... Locking part, 20... Engaging part. Figure 3 (＼, □6゜−9 □□) Figure 4 Figure 5 Figure 7

Claims

[Scope of utility model registration request]

(1) In a handle nut loosening prevention device for fixing a handle attached to a rotating shaft with a nut screwed onto the rotating shaft, an engaging portion formed on the contact surface of the handle with the nut and the handle of the nut A device for preventing loosening of a handle nut, characterized in that the two are integrally provided by engaging with a locking portion formed on a contact surface of the handle nut.

(2) A toothed washer is interposed between the handle and the nut, and toothed parts are formed on both sides of the washer to fit and mesh with the retaining part of the handle and the locking part of the nut. The loosening prevention device for the /'% bundle nut described in item 1.

(3) The handle nut loosening prevention device according to claim 1 or 2, wherein the engaging portion and the locking portion have a serrated shape.