JPH01106615U - - Google Patents
Info
- Publication number
- JPH01106615U JPH01106615U JP121388U JP121388U JPH01106615U JP H01106615 U JPH01106615 U JP H01106615U JP 121388 U JP121388 U JP 121388U JP 121388 U JP121388 U JP 121388U JP H01106615 U JPH01106615 U JP H01106615U
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- view
- bolt head
- head
- protrusion
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Gripping On Spindles (AREA)
Description
第１図は本考案の第１実施例に係るボルトのボ
ルト頭部の平面図、第２図は第１図のボルト頭部
の一部破断正面図、第３図は第１図のボルトの全
体構成を示す正面図、第４図は第１図のボルトの
締付工具のボツクス部の縦断面図、第５図は第１
図のボルトの締付作業時の締付工具装着状態を分
解して示した構成図、第６図は第５図のボルト頭
部の一部破断拡大断面図、第７図は第１図のボル
ト頭部の食い付き穴加工工具の概略正面図、第８
図は第１図のボルト頭部の食い付き穴の穴明け率
と応力との関係を示すグラフ、第９図は第１図の
ボルトのボルト頭部に番号を付した状態の平面図
、第１０図は本考案の第２実施例に係るボルトの
ボルト頭部の一部破断正面図、第１１図は第１０
図のボルト頭部の平面図、第１２図は従来のボル
トの正面図、第１３図は第１２図のボルトの側面
図、第１４図は第１２図のボルトの締付作業状態
を示す縦断面図である。
符号の説明、１…ボルト、２…ボルト頭部、２
１…頭部頂面、３…ねじ部、４…ねじ軸、５…食
い付き穴、６…鍔部、１０…締付工具、１１…ボ
ツクス部、１２…脱落防止ピン（突部）。
Fig. 1 is a plan view of the bolt head of the bolt according to the first embodiment of the present invention, Fig. 2 is a partially cutaway front view of the bolt head of Fig. 1, and Fig. 3 is a plan view of the bolt head of the bolt shown in Fig. 1. 4 is a longitudinal sectional view of the box part of the bolt tightening tool shown in FIG. 1, and FIG. 5 is a front view showing the overall configuration.
Figure 6 is an exploded configuration diagram showing the state in which the tightening tool is installed during bolt tightening work, Figure 6 is a partially broken enlarged sectional view of the bolt head in Figure 5, and Figure 7 is the same as in Figure 1. Schematic front view of bolt head biting hole machining tool, No. 8
The figure is a graph showing the relationship between the drilling rate and stress of the biting hole in the bolt head in Figure 1. Figure 9 is a plan view of the bolt in Figure 1 with numbers attached to the bolt head. FIG. 10 is a partially cutaway front view of the bolt head of a bolt according to the second embodiment of the present invention, and FIG.
Fig. 12 is a front view of the conventional bolt, Fig. 13 is a side view of the bolt shown in Fig. 12, and Fig. 14 is a longitudinal section showing the bolt shown in Fig. 12 in a tightening state. It is a front view. Explanation of symbols, 1...Bolt, 2...Bolt head, 2
DESCRIPTION OF SYMBOLS 1... Top surface of head, 3... Threaded part, 4... Screw shaft, 5... Biting hole, 6... Collar part, 10... Tightening tool, 11... Box part, 12... Falling prevention pin (protrusion).
Claims (1)
ルト頭部と、ねじ軸とを備えたボルトにおいて、 前記ボルト頭部頂面に、前記ボツクス部奥端に
突設される突部が食い付き可能な断面円形の食い
付き穴を設けて成ることを特徴とするボルト。[Claims for Utility Model Registration] A bolt comprising a polygonal bolt head into which a box portion of a tightening tool fits, and a threaded shaft, wherein the top surface of the bolt head has a protrusion at the rear end of the box portion. A bolt characterized by having a biting hole with a circular cross section into which a protrusion can bite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP121388U JPH01106615U (en) | 1988-01-11 | 1988-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP121388U JPH01106615U (en) | 1988-01-11 | 1988-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01106615U true JPH01106615U (en) | 1989-07-18 |
Family
ID=31200908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP121388U Pending JPH01106615U (en) | 1988-01-11 | 1988-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01106615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030068849A (en) * | 2002-02-18 | 2003-08-25 | 최영수 | A bolt and tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5013875B1 (en) * | 1971-06-21 | 1975-05-23 |
-
1988
- 1988-01-11 JP JP121388U patent/JPH01106615U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5013875B1 (en) * | 1971-06-21 | 1975-05-23 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030068849A (en) * | 2002-02-18 | 2003-08-25 | 최영수 | A bolt and tool |