JPH02146208U - - Google Patents
Info
- Publication number
- JPH02146208U JPH02146208U JP5691689U JP5691689U JPH02146208U JP H02146208 U JPH02146208 U JP H02146208U JP 5691689 U JP5691689 U JP 5691689U JP 5691689 U JP5691689 U JP 5691689U JP H02146208 U JPH02146208 U JP H02146208U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- mounting hole
- preventing loosening
- threaded portion
- counterbore recess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は、この考案の一実施例の取付前の状態
を示す断面図、第２図は、同実施例の取付前の状
態を示す斜視図、第３図は、同実施例の取付時の
座ぐり用凹部部位の断面図、第４図は、同実施例
の取付終了後の座ぐり用凹部部位の断面図、第５
図は、同実施例の取付終了後の状態を示す断面図
、第６図は、他の実施例を示す分解斜視図、第７
図は、さらに他の実施例を示す分解斜視図。
１……ねじ、３……雄ねじ部、４……嵌合部、
８……取付座、９……取付孔、１０……座ぐり用
凹部。
Fig. 1 is a cross-sectional view showing an embodiment of the invention before installation, Fig. 2 is a perspective view of the embodiment before installation, and Fig. 3 is a view of the embodiment when it is installed. FIG. 4 is a cross-sectional view of the counterbore recess portion of the same example, and FIG.
The figure is a sectional view showing the state after installation of the same embodiment, FIG. 6 is an exploded perspective view showing another embodiment, and FIG.
The figure is an exploded perspective view showing still another embodiment. 1...screw, 3...male thread part, 4...fitting part,
8...Mounting seat, 9...Mounting hole, 10...Spot facing recess.
Claims (1)
に対し、前記取付孔に螺合させて取り付けるねじ
の緩み止め構造であつて、 前記取付孔における前記ねじの挿入側端部に、
開口断面を非円形とする座ぐり用凹部が形成され
、 前記ねじには、前部側に、前記取付孔の雌ねじ
に対応する雄ねじ部が形成されるとともに、後部
側に、半径方向にばね弾性的に収縮可能に膨出し
て、前記座ぐり用凹部に嵌合可能な嵌合部が形成
されていることを特徴とするねじの緩み止め構造
。[Claims for Utility Model Registration] A structure for preventing loosening of a screw that is screwed into the mounting hole of a mounting seat provided with a mounting hole with a female thread, comprising: At the insertion end,
A counterbore recess with a non-circular opening cross section is formed, and the screw has a male threaded portion corresponding to the female threaded portion of the mounting hole formed on the front side, and a spring elastic portion radially arranged on the rear side. 1. A structure for preventing loosening of a screw, characterized in that a fitting portion is formed which expands to be contractible and fit into the counterbore recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5691689U JPH02146208U (en) | 1989-05-17 | 1989-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5691689U JPH02146208U (en) | 1989-05-17 | 1989-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02146208U true JPH02146208U (en) | 1990-12-12 |
Family
ID=31581165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5691689U Pending JPH02146208U (en) | 1989-05-17 | 1989-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146208U (en) |
-
1989
- 1989-05-17 JP JP5691689U patent/JPH02146208U/ja active Pending