JPH0246112U - - Google Patents
Info
- Publication number
- JPH0246112U JPH0246112U JP12466188U JP12466188U JPH0246112U JP H0246112 U JPH0246112 U JP H0246112U JP 12466188 U JP12466188 U JP 12466188U JP 12466188 U JP12466188 U JP 12466188U JP H0246112 U JPH0246112 U JP H0246112U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- base
- tightening screw
- keyway
- hole
- 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
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Connection Of Plates (AREA)
Description
第１図は本考案の一実施例のカバー締付け時の
状態図、第２図は第１図の平面図、第３図は同上
実施例の貫通孔の横断面図、第４図は同上実施例
の締付けネジの横断面図、第５図は従来例のカバ
ー締付け時の断面図、第６図は第５図の側面断面
図を示す。
１……基台、１１……カバー、１２……貫通孔
、１３……ボス部、１４……キー溝、１５……締
付けネジ、１８……突起部。
Fig. 1 is a state diagram of an embodiment of the present invention when the cover is tightened, Fig. 2 is a plan view of Fig. 1, Fig. 3 is a cross-sectional view of the through hole of the embodiment of the above, and Fig. 4 is the implementation of the same. FIG. 5 is a cross-sectional view of an example tightening screw, FIG. 5 is a cross-sectional view of a conventional example when the cover is tightened, and FIG. 6 is a side cross-sectional view of FIG. 5. DESCRIPTION OF SYMBOLS 1...Base, 11...Cover, 12...Through hole, 13...Boss part, 14...Keyway, 15...Tightening screw, 18...Protrusion part.
Claims (1)
なすカバーの前記基台と対向する面からカバーを
貫通して先端ネジ部を前記基台にネジ結合して、
前記カバーを基台に締付け固定するための締付け
ネジの抜け防止構造において、前記締付けネジを
貫通させるカバー面に、カバー内方に延びるボス
部を設けて貫通孔を形成し、該貫通孔内周壁にキ
ー溝を設ける一方、前記締付けネジの前記ボス部
よりカバー内方に位置する中間部に前記キー溝に
対応する形状の突起部を形成する構成としたこと
を特徴とするカバー締付けネジの抜け防止構造。 A box-shaped cover with an opening on one side that covers an article fixed on a base is penetrated through the cover from a surface facing the base, and a threaded end portion is screwed to the base,
In the structure for preventing the tightening screw from coming off for tightening and fixing the cover to the base, the cover surface through which the tightening screw passes is provided with a boss portion extending inward of the cover to form a through hole, and the inner circumferential wall of the through hole is formed. A keyway is provided in the cover tightening screw, and a protrusion corresponding to the keyway is formed in an intermediate portion of the tightening screw located inward from the boss portion of the cover. Prevention structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12466188U JPH0246112U (en) | 1988-09-26 | 1988-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12466188U JPH0246112U (en) | 1988-09-26 | 1988-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246112U true JPH0246112U (en) | 1990-03-29 |
Family
ID=31374594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12466188U Pending JPH0246112U (en) | 1988-09-26 | 1988-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246112U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS454479Y1 (en) * | 1966-03-17 | 1970-02-28 | ||
| JPS6154514B2 (en) * | 1977-04-14 | 1986-11-22 | Nippon Metal Ind |
-
1988
- 1988-09-26 JP JP12466188U patent/JPH0246112U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS454479Y1 (en) * | 1966-03-17 | 1970-02-28 | ||
| JPS6154514B2 (en) * | 1977-04-14 | 1986-11-22 | Nippon Metal Ind |