JPS639509U - - Google Patents
Info
- Publication number
- JPS639509U JPS639509U JP10364086U JP10364086U JPS639509U JP S639509 U JPS639509 U JP S639509U JP 10364086 U JP10364086 U JP 10364086U JP 10364086 U JP10364086 U JP 10364086U JP S639509 U JPS639509 U JP S639509U
- Authority
- JP
- Japan
- Prior art keywords
- thread
- screw
- shank
- diameter
- soft
- 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.)
- Granted
Links
- 239000007779 soft material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 description 1
Landscapes
- Connection Of Plates (AREA)
- Dowels (AREA)
Description
図面は本考案の実施例を示し、第１図はねじの
正面図、第２図は第１図の―視断面図、第３
図は第２図の―視断面図、第４図はねじ込み
状態を示す縦断面図、第５図は第４図の―視
断面図、第６図は他の実施例を示す横断面図であ
る。
１……ねじ、２……シヤンク、３……頭、４…
…高い山のねじ山、５……低い山のねじ山、４ａ
，５ａ……角部、６……下孔、７……被締結材、
８……軟質材。
The drawings show an embodiment of the present invention, and FIG. 1 is a front view of the screw, FIG. 2 is a cross-sectional view of FIG. 1, and FIG.
The figure is a sectional view of FIG. 2, FIG. 4 is a vertical sectional view showing the screwed state, FIG. 5 is a sectional view of FIG. 4, and FIG. 6 is a cross-sectional view of another embodiment. be. 1...Screw, 2...Shank, 3...Head, 4...
...High mountain thread, 5...Low mountain thread, 4a
, 5a...corner, 6...prepared hole, 7...material to be fastened,
8...Soft material.
Claims (1)
孔にねじ込まれるねじであつて、前記ねじは、一
端部にドライバー係合用の頭を備えたシヤンクと
、前記シヤンクの外周に造形された山の高さが高
低異なる２条のねじ山とより成り、前記２条のね
じ山のうち少なくとも高い山のねじ山を、シヤン
クの軸線方向視における形状が丸みを帯びた多角
形で、且つ、先端部の山径が先細りのテーパ状に
なるように形成し、該高い山のねじ山の外接円の
直径を前記軟質な部材の下孔径より大径に設定す
る一方、低い山のねじ山の最大径を、前記軟質ろ
部材の下孔径と略同径に設定したことを特徴とす
る軟質材用ねじ。 (2) 前記高い山のねじ山を、互いに隣接したね
じ山における前記多角形の角部がねじの円周方向
にずれるように構成したことを特徴とする実用新
案登録請求の範囲第１項記載の軟質材用ねじ。 (3) 前記低い山のねじ山を、シヤンクの軸線方
向視において真円に形成したことを特徴とする実
用新案登録請求の範囲第１項又は第２項記載の軟
質材用ねじ。 (4) 前記低い山のねじ山を、シヤンクの軸線方
向視において丸みを帯びた多角形に形成すると共
に、該山の低いねじ山における前記多角形の角部
を、前記高い山における多角形の角部に対してシ
ヤンクの軸線を挾んだ反対側に位置させたことを
特徴とする実用新案登録請求の範囲第１項又は第
２項記載の軟質材用ねじ。[Claims for Utility Model Registration] (1) A screw that is screwed into a pilot hole drilled in a soft material such as plastic, the screw having a shank with a head for engaging a screwdriver at one end, The shank is made up of two threads with different heights formed on the outer periphery of the shank, and at least the higher thread of the two threads has a rounded shape when viewed in the axial direction of the shank. The diameter of the thread at the tip is tapered, and the diameter of the circumcircle of the thread of the high thread is set to be larger than the diameter of the lower hole of the soft member. A screw for a soft material, characterized in that the maximum diameter of the thread of the low crest is set to be approximately the same diameter as the diameter of the lower hole of the soft filter member. (2) The utility model registration claim 1 is characterized in that the high-mounted screw threads are configured such that the polygonal corners of adjacent screw threads are shifted in the circumferential direction of the screw. Screws for soft materials. (3) The screw for soft materials according to claim 1 or 2, wherein the low-mounted thread is formed into a perfect circle when viewed in the axial direction of the shank. (4) The low thread of the thread is formed into a rounded polygon when viewed in the axial direction of the shank, and the corners of the polygon on the low thread of the thread are formed into the polygonal shape of the high thread. The screw for soft materials according to claim 1 or 2, characterized in that the screw is located on the opposite side of the corner with respect to the axis of the shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10364086U JPH0231607Y2 (en) | 1986-07-04 | 1986-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10364086U JPH0231607Y2 (en) | 1986-07-04 | 1986-07-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS639509U true JPS639509U (en) | 1988-01-22 |
| JPH0231607Y2 JPH0231607Y2 (en) | 1990-08-27 |
Family
ID=30976390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10364086U Expired JPH0231607Y2 (en) | 1986-07-04 | 1986-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0231607Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906225A (en) * | 2019-05-24 | 2022-01-07 | 阿诺德成形技术有限责任两合公司 | Connecting element |
-
1986
- 1986-07-04 JP JP10364086U patent/JPH0231607Y2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906225A (en) * | 2019-05-24 | 2022-01-07 | 阿诺德成形技术有限责任两合公司 | Connecting element |
| JP2022534060A (en) * | 2019-05-24 | 2022-07-27 | アルノルト ウムフォルムテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | connecting member |
| US11920620B2 (en) | 2019-05-24 | 2024-03-05 | Arnold Umformtechnik Gmbh & Co. Kg | Connecting element |
| CN113906225B (en) * | 2019-05-24 | 2024-03-19 | 阿诺德成形技术有限责任两合公司 | Connecting element |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0231607Y2 (en) | 1990-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63128308U (en) | ||
| JPS639509U (en) | ||
| JPS6179014U (en) | ||
| CN220850299U (en) | Screw with top embedded inner plum blossom groove body | |
| JPS6296112U (en) | ||
| JPH0288011U (en) | ||
| JPH0219921U (en) | ||
| JPH0236612U (en) | ||
| JPS6340617U (en) | ||
| JPH0341219U (en) | ||
| JPH0219920U (en) | ||
| JPS63175311U (en) | ||
| JPS62163318U (en) | ||
| JPS6124516U (en) | bolt | |
| JPH0468212U (en) | ||
| JPH0219919U (en) | ||
| JPS59164815U (en) | bolt | |
| JPH0274611U (en) | ||
| JPS61154313U (en) | ||
| JPS61158337U (en) | ||
| JPH0385709U (en) | ||
| JPS6320511U (en) | ||
| JPS62130209U (en) | ||
| JPS61150511U (en) | ||
| JPH03123111U (en) |