JPH0224619Y2 - - Google Patents
Info
- Publication number
- JPH0224619Y2 JPH0224619Y2 JP1985010655U JP1065585U JPH0224619Y2 JP H0224619 Y2 JPH0224619 Y2 JP H0224619Y2 JP 1985010655 U JP1985010655 U JP 1985010655U JP 1065585 U JP1065585 U JP 1065585U JP H0224619 Y2 JPH0224619 Y2 JP H0224619Y2
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- tightening
- head
- pin
- shank
- 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.)
- Expired
Links
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案は、六角穴付きボルト等のねじ部材を
締め付ける場合に用いるピンに関する。[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a pin used for tightening a threaded member such as a hexagon socket head bolt.
（従来の技術）
ねじ部材には、六角ボルト、ナツト等の他に、
特殊ねじ部材として六角穴付きボルト等がある。
例えば、第４図に示すように、六角穴付きボルト
１１のヘツド部１２には、六角穴１３が形成され
ている。シヤンク部１４には、ねじ部１５が形成
されている。そして、六角穴付きボルト１１を用
いて、例えば、部材３１を部材３２に取り付ける
場合には、まず、ボルト１１のシヤンク部１４を
部材３１の孔３３に挿通させ、部材３２の雌ねじ
穴３４にシヤンク部１４のねじ部１５をねじ込
む。すなわち、六角棒レンチ２１等をヘツド部１
２の六角穴１３に挿入して回転させ、上記ボルト
１１のヘツド部１２の下面が部材３１に当接した
状態でさらに締め付ける。(Prior art) In addition to hexagonal bolts and nuts, screw members include
Special screw members include hexagon socket head bolts.
For example, as shown in FIG. 4, a hexagonal hole 13 is formed in the head portion 12 of the hexagonal socket bolt 11. A threaded portion 15 is formed in the shank portion 14 . For example, when attaching the member 31 to the member 32 using the hexagon socket head bolt 11, first insert the shank portion 14 of the bolt 11 into the hole 33 of the member 31, and insert the shank into the female threaded hole 34 of the member 32. Screw in the threaded part 15 of the part 14. That is, the hexagonal bar wrench 21 etc. is attached to the head part 1.
The bolt 11 is inserted into the hexagonal hole 13 of No. 2, rotated, and further tightened with the lower surface of the head portion 12 of the bolt 11 in contact with the member 31.
（考案が解決しようとしている問題点）
しかし、六角穴付きボルト１１を六角棒レンチ
２１で締め付ける場合、その締め付け加減が難し
く、必要にして充分な締付トルクで締め付けでき
ない欠点があつた。その結果、締め付けが弱い場
合には、ボルト１１が外れたりする不具合があ
り、また、必要以上に締め付けが強い場合には、
それだけ労力が無駄になるとともに、ねじ部１
５、雌ねじ穴３４が破壊されてボルト１１の取り
外しができなくなる不具合があつた。(Problems to be Solved by the Invention) However, when tightening the hexagon socket head bolt 11 with the hexagon wrench 21, it is difficult to tighten the bolt 11, and there is a drawback that it is not possible to tighten the bolt with the necessary and sufficient tightening torque. As a result, if the tightening is weak, the bolt 11 may come off, and if the tightening is stronger than necessary,
Not only is that much effort wasted, but the threaded portion 1
5. There was a problem that the female screw hole 34 was destroyed and the bolt 11 could not be removed.
（問題点を解決するための手段）
この考案は上記問題点を解消するためになされ
たもので、その要旨は、ねじ部材の角穴に挿入さ
れる断面角形のシヤンク部と、このシヤンク部と
一体に形成された断面角形のヘツド部と、上記シ
ヤンク部とヘツド部との間に形成され所定締付ト
ルクで切断されるしぼり部と、シヤンク部のしぼ
り部よりに形成された取り出し用切欠き部とを備
えたことを特徴とするねじ部材締付用ピンにあ
る。(Means for solving the problem) This invention was made to solve the above problem, and its gist is that a shank portion with a square cross section is inserted into a square hole of a screw member, and A head portion having a rectangular cross section formed integrally, a squeeze portion formed between the shank portion and the head portion and cut with a predetermined tightening torque, and a takeout notch formed by the squeeze portion of the shank portion. A pin for tightening a screw member, characterized in that it is provided with a portion.
（作 用）
ねじ部材のヘツド部に形成された角穴に、ねじ
部材締付用ピンの断面角形のシヤンク部を挿入す
る。このシヤンク部と一体に形成された断面角形
のヘツド部をスパナ等の締付工具で締め付ける。
所定締付トルクで締め付けると、シヤンク部とヘ
ツド部との間に形成されたしぼり部が切断され
る。この後、ねじ部材の角穴からシヤンク部をそ
の切欠き部を引つ掛けて取り出す。(Function) Insert the shank portion of the screw member tightening pin, which has a square cross section, into the square hole formed in the head portion of the screw member. The head portion, which is formed integrally with the shank portion and has a rectangular cross section, is tightened using a tightening tool such as a spanner.
When tightened to a predetermined tightening torque, the squeeze portion formed between the shank portion and the head portion is severed. After this, the shank portion is taken out from the square hole of the screw member by hooking the notch portion thereon.
（実施例）
以下、この考案の一実施例を第１図から第３図
までの図面に基づいて説明する。(Example) Hereinafter, an example of this invention will be described based on the drawings from FIG. 1 to FIG. 3.
符号１はねじ部材締付用ピンである。このピン
１はシヤンク部２と、このシヤンク部２と一体に
形成されたヘツド部３と、上記シヤンク部２とヘ
ツド部３との間に形成されたしぼり部４とで構成
されている。 Reference numeral 1 indicates a pin for tightening a screw member. The pin 1 is composed of a shank portion 2, a head portion 3 formed integrally with the shank portion 2, and a squeeze portion 4 formed between the shank portion 2 and the head portion 3.
上記シヤンク部２は、六角穴付きボルト１１
（ねじ部材）のヘツド部１２に形成された六角穴
１３とほぼ等しい断面形状を有して断面六角形に
形成されており、左端にテーパ部５、中途に取出
し用切欠き部６をそれぞれ有している。 The shank portion 2 includes a hexagonal socket bolt 11
It is formed in a hexagonal cross-section with a cross-sectional shape that is almost the same as the hexagonal hole 13 formed in the head portion 12 of the screw member, and has a tapered portion 5 at the left end and a notch portion 6 for extraction in the middle. are doing.
上記ピン１のヘツド部３は断面六角形に形成さ
れており、スパナ２１等の工具で締め付けできる
ようになつている。ヘツド部３とシヤンク部２の
断面形状は同じである。 The head portion 3 of the pin 1 has a hexagonal cross section and can be tightened with a tool such as a spanner 21. The head portion 3 and the shank portion 2 have the same cross-sectional shape.
上記しぼり部４は、シヤンク部２およびヘツド
部３の径よりも小径になるように形成されてい
る。 The aperture portion 4 is formed to have a smaller diameter than the diameters of the shank portion 2 and head portion 3.
六角穴付きボルト１１は、例えば、部材３１を
部材３２に取り付ける場合等に用いられる。この
場合に、まず、ボルト１１のシヤンク部１４を部
材３１の孔３３に挿通させ、部材３１の雌ねじ穴
３４にシヤンク部１４のねじ部１５をねじ込む。
このボルト１１のねじ込み作業において、前述し
たねじ部材締付用ピン１を用いる。詳述すると、
まず、ボルト１１のヘツド部１２の六角穴１３
に、ピン１のシヤンク部２を挿入する。ピン１の
シヤンク部２は、テーパ部５に案内されて六角穴
１３に簡単に挿入される。 The hexagon socket head bolt 11 is used, for example, when attaching the member 31 to the member 32. In this case, first, the shank portion 14 of the bolt 11 is inserted into the hole 33 of the member 31, and the threaded portion 15 of the shank portion 14 is screwed into the female threaded hole 34 of the member 31.
In this work of screwing in the bolt 11, the aforementioned screw member tightening pin 1 is used. In detail,
First, the hexagonal hole 13 of the head portion 12 of the bolt 11
Insert the shank part 2 of the pin 1 into the holder. The shank portion 2 of the pin 1 is guided by the tapered portion 5 and easily inserted into the hexagonal hole 13.
次に、上記ピン１のヘツド部３をスパナ２２の
締付凹部で挾持しながら締め付け方向に回転さ
せ、上記ボルト１１のヘツド部１２の下面が部材
３１に当接するまで締め付ける。この後、さらに
所定締付トルクになるまでボルト１１を締め付け
ると、第３図に示すように、ピン１のしぼり部４
は切断される。このように、しぼり部４が切断さ
れるまで締め付けることにより、ボルト１１は確
実に所定の締付トルク、すなわち必要にして充分
な締付トルクで締め付けられる。その結果、ボル
ト１１は抜けることがなく、部材３１は、ボルト
１１のヘツド部１２の下面と部材３２間で確実に
固定される。また、上記しぼり部４の切断によ
り、ボルト１１に必要以上の締め付けトルクを付
与してしまうのを防止でき、無駄な労力を省くこ
とができるとともに、ねじ部１５、雌ねじ穴３４
が破壊されるのを防止できる。この後、ボルト１
１のヘツド部１２に残置したピン１のシヤンク部
２を取り外す。この取り外しは、シヤンク部２の
切欠き部６を所定手段で引つ掛けることにより簡
単に行なわれる。なお、六角棒レンチ２１等をボ
ルト１１のヘツド部１２の六角穴１３に挿入し
て、締め付け方向と逆方向に回転させることによ
り、ボルト１１を容易に取り外すことができる。 Next, the head 3 of the pin 1 is held in the tightening recess of the spanner 22 and rotated in the tightening direction until the lower surface of the head 12 of the bolt 11 comes into contact with the member 31. After that, when the bolt 11 is further tightened to a predetermined tightening torque, as shown in FIG.
is disconnected. By tightening the bolt 11 until the throttle portion 4 is cut in this manner, the bolt 11 is reliably tightened to a predetermined tightening torque, that is, a necessary and sufficient tightening torque. As a result, the bolt 11 does not come off, and the member 31 is securely fixed between the lower surface of the head portion 12 of the bolt 11 and the member 32. Further, by cutting the throttle portion 4, it is possible to prevent the bolt 11 from being subjected to an excessive tightening torque, thereby saving unnecessary labor.
can be prevented from being destroyed. After this, bolt 1
Remove the shank portion 2 of the pin 1 left in the head portion 12 of the pin 1. This removal is easily accomplished by hooking the notch 6 of the shank portion 2 with a predetermined means. Note that the bolt 11 can be easily removed by inserting a hexagonal wrench 21 or the like into the hexagonal hole 13 of the head portion 12 of the bolt 11 and rotating it in the opposite direction to the tightening direction.
この考案は上記実施例に制約されず、例えば、
ねじ部材締付用ピンのシヤンク部およびヘツドの
断面を六角以外の角形に形成してもよい。また、
ソケツト型の工具をピンのヘツド部にはめ込んで
締め付けるようにしてもよい。 This invention is not limited to the above embodiments; for example,
The cross section of the shank portion and head of the screw member tightening pin may be formed into a rectangular shape other than a hexagon. Also,
A socket-type tool may be inserted into the head of the pin and tightened.
（考案の効果）
以上説明したように、この考案のねじ部材締付
用ピンを用いて角穴を有するねじ部材を締め付け
ると、このピンのしぼり部が切断されることによ
り、ねじ部材を所定の締付トルクで締め付けるこ
とができ、残つたシヤンク部もその切欠き部を引
つ掛けることにより取り出せる。(Effects of the invention) As explained above, when a screw member having a square hole is tightened using the screw member tightening pin of this invention, the squeezed portion of this pin is cut, and the screw member is held in a predetermined position. It can be tightened with a tightening torque, and the remaining shank can be taken out by hooking the notch.
第１図から第３図までの図面は、この考案の一
実施例を示すものであり、第１図はねじ部材締付
ピンと六角穴付きボルトの斜視図、第２図は六角
穴付きボルトの締め付け態様を示す部分断面図、
第３図はねじ部材締付ピンのしぼり部が切断され
た状態を示す部分断面図、第４図は六角穴付きボ
ルトの従来の締め付け態様を示す部分断面図であ
る。
１……ねじ部材締付用ピン、２……シヤンク
部、３……ヘツド部、４……しぼり部、６……切
欠き部、１１……六角穴付きボルト（ねじ部材）、
１３……角穴。
The drawings from Fig. 1 to Fig. 3 show one embodiment of this invention, Fig. 1 is a perspective view of a screw member tightening pin and a hexagon socket head bolt, and Fig. 2 is a perspective view of a hexagon socket head bolt. A partial sectional view showing a tightening mode,
FIG. 3 is a partial sectional view showing a state in which the throttle portion of the screw member tightening pin is cut away, and FIG. 4 is a partial sectional view showing a conventional tightening mode of a hexagon socket head bolt. 1... Screw member tightening pin, 2... Shank part, 3... Head part, 4... Squeezing part, 6... Notch part, 11... Hexagon socket head cap screw (thread member),
13...Square hole.
Claims (1)
ク部と、このシヤンク部と一体に形成された断面
角形のヘツド部と、上記シヤンク部とヘツド部と
の間に形成され所定締付トルクで切断されるしぼ
り部と、シヤンク部のしぼり部よりに形成された
取り出し用切欠き部とを備えたことを特徴とする
ねじ部材締付用ピン。 A shank portion with a square cross section that is inserted into a square hole of a screw member, a head portion with a square cross section formed integrally with the shank portion, and a head portion formed between the shank portion and the head portion and cut with a predetermined tightening torque. 1. A pin for tightening a screw member, characterized in that the pin is provided with a constriction portion for tightening the shank portion, and a notch portion for removal formed by the constriction portion of the shank portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985010655U JPH0224619Y2 (en) | 1985-01-28 | 1985-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985010655U JPH0224619Y2 (en) | 1985-01-28 | 1985-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61127975U JPS61127975U (en) | 1986-08-11 |
| JPH0224619Y2 true JPH0224619Y2 (en) | 1990-07-05 |
Family
ID=30492039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985010655U Expired JPH0224619Y2 (en) | 1985-01-28 | 1985-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224619Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4827913U (en) * | 1971-08-09 | 1973-04-04 |
-
1985
- 1985-01-28 JP JP1985010655U patent/JPH0224619Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4827913U (en) * | 1971-08-09 | 1973-04-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61127975U (en) | 1986-08-11 |
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