JPH0519082Y2 - - Google Patents
Info
- Publication number
- JPH0519082Y2 JPH0519082Y2 JP1986020653U JP2065386U JPH0519082Y2 JP H0519082 Y2 JPH0519082 Y2 JP H0519082Y2 JP 1986020653 U JP1986020653 U JP 1986020653U JP 2065386 U JP2065386 U JP 2065386U JP H0519082 Y2 JPH0519082 Y2 JP H0519082Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- lever
- safety
- hook
- tip
- 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 - Lifetime
Links
- 230000002265 prevention Effects 0.000 claims description 4
- 230000008602 contraction Effects 0.000 description 1
Landscapes
- Emergency Lowering Means (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
この考案は、高所作業者の腰部に巻付けた墜落
防止用安全帯の環体とフツク付きロープにセツト
したロープ伸縮調節器とを接続する場合等に用い
る墜落防止用安全器具のフツクに関するものであ
る。[Detailed description of the invention] [Field of industrial application] This invention connects the ring of a fall prevention safety belt wrapped around the waist of a worker at height and a rope expansion/contraction adjuster set on a rope with a hook. This relates to the hook of safety equipment used in cases such as fall prevention.
上記フツクは、通常、フツク本体に開閉レバー
を取付け、その開閉レバーをスプリングで偏向し
てレバー先端部をフツク本体に形成した鈎形係合
片の内面先端部に当接させるようにしてある。
The above-mentioned hook usually has an opening/closing lever attached to the hook body, and the opening/closing lever is deflected by a spring so that the tip of the lever comes into contact with the tip of the inner surface of a hook-shaped engagement piece formed on the hook body.
このフツクは、開閉レバーが係合片の内面先端
部に当接しているため、係合片にかけ合わせた被
係合物を抜け止めすることができるので安全であ
る。 This hook is safe because the opening/closing lever is in contact with the tip of the inner surface of the engaging piece, so that the engaged object can be prevented from slipping out from the engaging piece.
このようなフツクの安全性をさらに高めるた
め、実公昭57−19459号公報に示されたフツクに
おいては、フツク本体に安全レバーの後部を回動
可能に連結し、この安全レバーの先端部にフツク
本体とそのフツク本体に回動可能に取付けられた
開閉レバーの側片間に対して挿入可能な突出部を
設けてある。 In order to further improve the safety of such a hook, in the hook shown in Utility Model Publication No. 19459/1987, the rear part of the safety lever is rotatably connected to the hook body, and the hook is attached to the tip of the safety lever. A protrusion is provided that can be inserted between the main body and the side pieces of the opening/closing lever rotatably attached to the hook main body.
上記フツクにおいては、安全レバーを回動し、
先端部の突出部をフツク本体と開閉レバーの側片
間に挿入することによつて開閉レバーを回動不能
にロツクすることができるため、きわめて安全で
ある。 In the above hook, rotate the safety lever,
By inserting the protrusion at the tip between the hook body and the side piece of the opening/closing lever, the opening/closing lever can be locked unrotatably, making it extremely safe.
しかし、開閉レバーを開放させる場合には、安
全レバーを回動して突出部をフツク本体と開閉レ
バーの側片間より離脱させたのち、上記開閉レバ
ーを押し下げる必要があり、そのような開放動作
を連続して行なうことができないため操作性に問
題がある。
However, in order to open the opening/closing lever, it is necessary to rotate the safety lever to separate the protrusion from between the hook body and the side piece of the opening/closing lever, and then push down the opening/closing lever. There is a problem with operability because it cannot be performed continuously.
また、開閉レバーをロツクする方向に安全レバ
ーを回動させる作業は手作業であるため、その安
全レバーをかけ忘れることもあり、安全性に問題
がある。そのかけ忘れを防止しようとして安全レ
バーに係合方向へのスプリングの弾力を付与する
と、開閉レバーを押し下げるとき、非係合位置に
偏向した安全レバーをその非係合位置で保持する
必要があり、操作性がさらに悪くなる。 Further, since the operation of rotating the safety lever in the direction to lock the opening/closing lever is a manual operation, it is possible to forget to engage the safety lever, which poses a safety problem. If a spring is applied to the safety lever in the engagement direction in order to prevent forgetting to engage it, the safety lever, which has been deflected to the non-engaged position, must be held in the non-engaged position when the opening/closing lever is pushed down. Operability becomes even worse.
そこで、この考案は上記従来の不都合を解消
し、フツクの操作性を容易とし、安全性を高める
ことを技術的課題としている。 Therefore, the technical objective of this invention is to solve the above-mentioned conventional disadvantages, make the hook easier to operate, and improve safety.
上記の課題を解決するために、この考案は、係
合片の開口を開閉する回動自在の開閉レバーの側
部に操作片を形成し、その操作片に安全レバーの
中央部を回動可能に取付け、その安全レバーの先
端部にフツク本体の係合片突設面に対して当接可
能な突出部を形成し、この突出部が上記係合片突
設面に対向する方向に安全レバーを偏向するスプ
リングを設けた構成としたのである。
In order to solve the above problem, this invention forms an operating piece on the side of a rotatable opening/closing lever that opens and closes the opening of the engagement piece, and the central part of the safety lever can be rotated on the operating piece. At the tip of the safety lever, a protrusion that can come into contact with the engaging piece protruding surface of the hook body is formed, and this protruding part is attached to the safety lever in the direction opposite to the engaging piece protruding surface of the hook body. The structure includes a spring that deflects the
上記安全レバーの後端部をフツク本体の側部に
向けて押し込んで安全レバーを回動させると、安
全レバーの突出部がフツク本体の係合片突出面か
ら離れ、開閉レバーを開放方向に回動させること
ができる。このとき、安全レバーの後端部を斜め
上方に向けて引くことにより、安全レバーに突出
部がフツク本体の係合片突出面から離れる方向の
回転力と、開閉レバーに開放方向への回転力とを
付与することができるため、開閉レバーのロツク
を解除する動作と、開閉レバーを開放する動作と
を連続して行なうことができる。
When the rear end of the safety lever is pushed toward the side of the hook body and the safety lever is rotated, the protruding part of the safety lever separates from the protruding surface of the engaging piece of the hook body, and the opening/closing lever is rotated in the opening direction. can be moved. At this time, by pulling the rear end of the safety lever diagonally upward, a rotational force is applied to the safety lever in the direction in which the protruding part moves away from the protruding surface of the engaging piece of the hook body, and a rotational force is applied to the opening/closing lever in the opening direction. Therefore, the operation of unlocking the opening/closing lever and the operation of opening the opening/closing lever can be performed continuously.
また、安全レバーの押圧を解除すると、開閉レ
バーはスプリングの弾力により係合片の開口を閉
鎖する方向に回動し、その開閉レバーの先端部が
係合片の先端部内面に当接すると、スプリングの
弾力により安全レバーが回動し、先端部の突出部
がフツク本体の係合片突設面に対向する。その対
向によつて、開閉レバーを押し下げることができ
ず、開閉レバーは、係合片の開口を全閉する状態
にロツクされる。 When the pressure on the safety lever is released, the opening/closing lever rotates in the direction of closing the opening of the engagement piece due to the elasticity of the spring, and when the tip of the opening/closing lever comes into contact with the inner surface of the tip of the engagement piece, The safety lever rotates due to the elasticity of the spring, and the protrusion at the tip faces the engagement piece protrusion surface of the hook body. Due to the opposing position, the opening/closing lever cannot be pushed down, and the opening/closing lever is locked in a state in which the opening of the engagement piece is fully closed.
以下、この考案の実施例を添付図面に基づいて
説明する。
Hereinafter, embodiments of this invention will be described based on the accompanying drawings.
第１図乃至第４図に示すように、フツク本体１
の先端部にはフツク本体１の上面側に突設する鈎
形の係合片２が設けられ、また、後端部には連結
孔３が形成されている。 As shown in FIGS. 1 to 4, the hook body 1
A hook-shaped engagement piece 2 that protrudes from the top surface of the hook body 1 is provided at the tip, and a connecting hole 3 is formed at the rear end.
さらに、フツク本体１の上面両側部には一対の
支持片４，４が設けられ、その支持片４間に渡し
たピン５によつて開閉レバー６の側片７後部が回
動可能に支持されている。実施例の場合は、ピン
５に一対の開閉レバー６を取付けたが、一つの開
閉レバー６であつてもよい。 Further, a pair of support pieces 4, 4 are provided on both sides of the upper surface of the hook body 1, and a rear part of the side piece 7 of the opening/closing lever 6 is rotatably supported by a pin 5 passed between the support pieces 4. ing. In the case of the embodiment, a pair of opening/closing levers 6 are attached to the pin 5, but a single opening/closing lever 6 may be used.
上記開閉レバー６の先端部は、前記係合片２の
開口内に位置し、そのレバー先端部が係合片２の
内面先端部に当接する方向に開閉レバー６を偏向
するスプリング８が上記ピン５に支持されてい
る。 The tip of the opening/closing lever 6 is located within the opening of the engaging piece 2, and a spring 8 that deflects the opening/closing lever 6 in a direction in which the tip of the lever comes into contact with the inner tip of the engaging piece 2 is attached to the pin. It is supported by 5.
また、開閉レバー６の側片７の下部には側方に
張り出す操作片９が設けられ、その操作片９に安
全レバー１０の中央部がピン１１によつて回動可
能に支持されている。この安全レバー１０は、実
施例の場合、第３図に示すように、操作片９の側
縁部外側に嵌合可能なコの字形としたが、形状は
任意である。 Further, an operating piece 9 is provided at the lower part of the side piece 7 of the opening/closing lever 6 and extends laterally, and the central part of the safety lever 10 is rotatably supported on the operating piece 9 by a pin 11. . In the case of the embodiment, the safety lever 10 has a U-shape that can be fitted to the outside of the side edge of the operating piece 9, as shown in FIG. 3, but the shape may be arbitrary.
その安全レバー１０の先端部には、フツク本体
１の上面に対して当接可能な突出部１２が形成さ
れ、その突出部１２の側縁に形成した突片１３
は、開閉レバー６の側片７先端部に設けた切欠部
１４に対して嵌合可能になつている。 A protrusion 12 that can come into contact with the upper surface of the hook body 1 is formed at the tip of the safety lever 10, and a protrusion 13 formed on the side edge of the protrusion 12.
can be fitted into a notch 14 provided at the tip of the side piece 7 of the opening/closing lever 6.
また、安全レバー１０は、ピン１１に支持され
たスプリング１５により偏向されて、先端部の突
出部１２がフツク本体１の上面に対向している。 The safety lever 10 is biased by a spring 15 supported by a pin 11, so that a protrusion 12 at the tip faces the top surface of the hook body 1.
実施例で示すフツクは上記の構造から成り、こ
のフツクは、例えば第６図に示すように、ロープ
２０に取付けた伸縮調節器２１に取付け、その伸
縮調節器２１と高所作業者の腰部に締付けた安全
帯の環体とを上記フツクを介して連結するのであ
る。 The hook shown in the embodiment has the above structure, and as shown in FIG. 6, for example, this hook is attached to a telescopic adjuster 21 attached to a rope 20, and is tightened to the telescopic adjuster 21 and the waist of the worker at height. The ring body of the safety belt is connected via the hook.
いま、安全レバー１０の後端部を第４図の矢印
方向に押して安全レバー１０を回動すると、レバ
ー先端部の突出部１２がフツク本体１の上面から
側方に離脱する。その離脱によつて開閉レバー６
のロツクが解除され、上記開閉レバー６の先端部
を下方に押し下げることができる（第５図参照）。 Now, when the rear end of the safety lever 10 is pushed in the direction of the arrow in FIG. 4 and the safety lever 10 is rotated, the protrusion 12 at the tip of the lever separates laterally from the upper surface of the hook body 1. By its release, the opening/closing lever 6
The lock is released, and the tip of the opening/closing lever 6 can be pushed down (see FIG. 5).
上記安全レバー１０は、開閉レバー６の操作片
９に取付けられているため、安全レバー１０の回
動において、その安全レバー１０の後端部を斜め
上方に向けて引くと、安全レバー１０および開閉
レバー６のそれぞれに回転力を付与することがで
きる。このため、安全レバー１０の回動による開
閉レバー６のロツク解除と、係合片２の開口を開
放する開閉レバー６の回動とを連続して行なうこ
とができる。 Since the safety lever 10 is attached to the operation piece 9 of the opening/closing lever 6, when the safety lever 10 is rotated and the rear end of the safety lever 10 is pulled diagonally upward, the safety lever 10 and the opening/closing lever are Rotational force can be applied to each of the levers 6. Therefore, unlocking of the opening/closing lever 6 by rotating the safety lever 10 and rotating the opening/closing lever 6 to open the opening of the engagement piece 2 can be performed continuously.
上記開閉レバー６の回動によつて係合片２の開
口を開放し、その状態において係合片２に対する
被係合物のかけ外し作業を行なうようにし、その
作業後に安全レバー１０の後端部の押圧を解除す
ると、スプリング８の弾力により開閉レバー６が
回動する。その開閉レバー６の先端部が係合片２
の内面先端部に当接すると、次に、スプリング１
５の弾力によつて安全レバー１０が回動し、先端
部の突出部１２がフツク本体１の上面に対向する
（第３図参照）。その状態において、開閉レバー６
の先端部を押し下げると、突出部１２がフツク本
体１の上面に当接するため、開閉レバー６を押し
下げることができず、開閉レバー６をロツクする
ことができる。 By rotating the opening/closing lever 6, the opening of the engaging piece 2 is opened, and in this state, the work of engaging and removing the object to be engaged with the engaging piece 2 is performed, and after this work, the rear end of the safety lever 10 is opened. When the pressure on the opening/closing lever 6 is released, the opening/closing lever 6 rotates due to the elasticity of the spring 8. The tip of the opening/closing lever 6 is the engagement piece 2
When it comes into contact with the inner tip of spring 1,
The safety lever 10 is rotated by the elasticity of the lever 5, and the protrusion 12 at the tip faces the upper surface of the hook body 1 (see FIG. 3). In that state, the opening/closing lever 6
When the tip of the hook is pushed down, the protrusion 12 comes into contact with the upper surface of the hook body 1, so the opening/closing lever 6 cannot be pushed down and the opening/closing lever 6 can be locked.
以上のように、この考案においては、開閉レバ
ーをロツクする安全レバーをその開閉レバーの操
作片に取付けたので、上記安全レバーの後端部を
斜め上方に向けて引くことにより、その安全レバ
ーおよび開閉レバーのそれぞれに回転力を付与す
ることができる。このため、開閉レバーをロツク
解除する動作とフツク本体の係合片の開口を開放
する動作とを連続して行なうことができ、操作性
の良好なフツクを提供することができると共に、
安全レバーを操作する指先が係合片のかけ外し作
業に邪魔をすることがなく、係合片のかけ外しを
能率よく行なうことができる。
As described above, in this invention, the safety lever that locks the opening/closing lever is attached to the operating piece of the opening/closing lever, so by pulling the rear end of the safety lever diagonally upward, the safety lever and Rotational force can be applied to each of the opening/closing levers. Therefore, the operation of unlocking the opening/closing lever and the operation of opening the engaging piece of the hook body can be performed continuously, and a hook with good operability can be provided.
The fingertip operating the safety lever does not interfere with the work of engaging and disengaging the engaging piece, and the engaging and disengaging work of the engaging piece can be carried out efficiently.
また、安全レバーは、先端の突出部がフツク本
体の上面と対向する位置に向けてスプリングで偏
向されているため、係合片に対向する被係合物の
かけ外し作業ののちに、安全レバーの後端部の押
圧を解除すると、開閉レバーの回動復帰後に、安
全レバーが回動して先端の突出部がフツク本体の
上面と対向する。このため、安全レバーをかけ忘
れるという不都合がなく、きわめて安全である。 In addition, since the safety lever is biased by a spring toward a position where the protrusion at the tip faces the top surface of the hook body, the safety lever is When the pressure on the rear end is released, after the opening/closing lever returns to rotation, the safety lever rotates and the protrusion at the tip faces the top surface of the hook body. This eliminates the inconvenience of forgetting to engage the safety lever, making it extremely safe.
第１図は、この考案に係るフツクの一実施例を
示す平面図、第２図は同上の側面図、第３図は第
２図の−線に沿つた断面図、第４図は第１図
を拡大して示す一部切欠平面図、第５図は同上の
開閉レバーの開放状態を示す側面図、第６図は同
上の使用状態を示す側面図である。
１……フツク本体、２……係合片、６……開閉
レバー、８……スプリング、９……操作片、１０
……安全レバー、１２……突出部、１５……スプ
リング。
Fig. 1 is a plan view showing one embodiment of the hook according to this invention, Fig. 2 is a side view of the same, Fig. 3 is a sectional view taken along the - line in Fig. FIG. 5 is a side view showing the open/close lever in an open state, and FIG. 6 is a side view showing the same in use. DESCRIPTION OF SYMBOLS 1... Hook body, 2... Engagement piece, 6... Opening/closing lever, 8... Spring, 9... Operation piece, 10
...Safety lever, 12...Protrusion, 15...Spring.
Claims (1)
係合片の開口開閉用の開閉レバーの後部を回動可
能に取付け、その開閉レバーの側片に側方に張り
出す操作片を設け、上記開閉レバーをスプリング
の弾力により偏向してその先端部を上記係合片の
内面先端部に当接させた墜落防止用安全器具のフ
ツクにおいて、前記開閉レバーの操作片に安全レ
バーの中央部を回動可能に連結し、その安全レバ
ーの先端部にフツク本体の係合片突設面に当接可
能な突出部を設け、その突出部が係合片突設面と
対向する方向に安全レバーを偏向するスプリング
を設けたことを特徴とする墜落防止用安全器具の
フツク。 A rear part of an opening/closing lever for opening and closing the opening of the engaging piece is rotatably attached to a hook body having a hook-shaped engaging piece at its tip, and an operating piece projecting laterally is provided on a side piece of the opening/closing lever. , in a hook of a safety device for fall prevention, in which the opening/closing lever is deflected by the elasticity of a spring and its tip is brought into contact with the inner tip of the engaging piece, the central part of the safety lever is attached to the operating piece of the opening/closing lever; are rotatably connected, and the tip of the safety lever is provided with a protrusion that can come into contact with the engaging piece protruding surface of the hook body, and the protruding part is connected to the safety lever in the direction opposite to the engaging piece protruding surface. A fall prevention safety hook featuring a spring that deflects the lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986020653U JPH0519082Y2 (en) | 1986-02-13 | 1986-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986020653U JPH0519082Y2 (en) | 1986-02-13 | 1986-02-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62130658U JPS62130658U (en) | 1987-08-18 |
| JPH0519082Y2 true JPH0519082Y2 (en) | 1993-05-20 |
Family
ID=30816364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986020653U Expired - Lifetime JPH0519082Y2 (en) | 1986-02-13 | 1986-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519082Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2587555Y2 (en) * | 1993-06-25 | 1998-12-16 | 藤井電工株式会社 | Step bolt hook |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625180Y2 (en) * | 1980-01-26 | 1987-02-05 | ||
| JPS60129949U (en) * | 1984-02-10 | 1985-08-31 | 藤井電工株式会社 | safety hook |
-
1986
- 1986-02-13 JP JP1986020653U patent/JPH0519082Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62130658U (en) | 1987-08-18 |
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