JPH059015Y2 - - Google Patents
Info
- Publication number
- JPH059015Y2 JPH059015Y2 JP14905887U JP14905887U JPH059015Y2 JP H059015 Y2 JPH059015 Y2 JP H059015Y2 JP 14905887 U JP14905887 U JP 14905887U JP 14905887 U JP14905887 U JP 14905887U JP H059015 Y2 JPH059015 Y2 JP H059015Y2
- Authority
- JP
- Japan
- Prior art keywords
- hook
- operating lever
- lever
- tip
- lock lever
- 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
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Landscapes
- Emergency Lowering Means (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
この考案は、安全装置付きのフツクに関するも
のである。[Detailed description of the invention] [Field of industrial application] This invention relates to a hook with a safety device.
一般に、高所で作業を行なう場合、作業者の腰
部に安全帯を締付け、その安全帯に接続したロー
プの先端のフツクを高所に張設した親鋼に係合し
て作業者の墜落防止を図るようにしている。
Generally, when working at heights, a safety belt is tightened around the waist of the worker, and the hook at the end of the rope connected to the safety belt engages with a parent steel strung at a height to prevent the worker from falling. I am trying to achieve this.
ところで、上記親鋼は、作業位置の変更に応じ
て張設位置を変える必要があるため、普通、両端
に安全装置付きのフツクを取付けるようにしてい
る。 By the way, since it is necessary to change the tensioning position of the above-mentioned main steel according to changes in the working position, hooks with safety devices are usually attached to both ends.
上記安全装置付きフツクの従来技術として、第
３図に示したものがある。このフツクは、フツク
本体２０の先端部に鈎部２１を設け、そのフツク
本体２０の内側部に配置され、ピン２２を中心に
揺動可能に設けられた操作レバー２３をスプリン
グ２４で偏向して先端を上記鈎部２１の先端部内
側に当接し、この操作レバー２３の後端部に設け
たピン支持片２５にピン２６を取付けてある。 A prior art example of the above-mentioned safety hook is shown in FIG. This hook has a hook 21 at the tip of the hook body 20, and an operating lever 23, which is arranged inside the hook body 20 and is swingable about a pin 22, is deflected by a spring 24. A pin 26 is attached to a pin support piece 25 provided at the rear end of the operating lever 23, with its tip abutting the inside of the tip of the hook portion 21.
また、フツク本体２０の外側部に配置され、ピ
ン２７を中心に揺動可能なロツクレバー２８と上
記フツク本体２０との間にスプリング２９を組込
み、このロツクレバー２８の先端部に上記ピン２
６が挿入する弧状の長孔３０を設け、その長孔３
０の端部に係合孔３１を形成してある。 Further, a spring 29 is installed between the hook body 20 and a lock lever 28 which is arranged on the outside of the hook body 20 and is swingable about a pin 27, and the tip of the lock lever 28 is attached to the pin 27.
6 is inserted into the arc-shaped long hole 30, and the long hole 3
An engagement hole 31 is formed at the end of the 0.
上記のフツクにおいては、ピン２６と係合孔３
１の嵌合によつて操作レバー２３が回り止めされ
ると共に、ピン２７を中心にロツクレバー２８を
揺動し、長孔３０の端部をピン２６に臨ませた状
態で操作レバー２３を揺動して鈎部２１の開口を
開放させる必要があるため、安全であるという利
点がある。 In the above hook, the pin 26 and the engagement hole 3
1, the operating lever 23 is prevented from rotating, and the locking lever 28 is pivoted about the pin 27, and the operating lever 23 is pivoted with the end of the elongated hole 30 facing the pin 26. Since it is necessary to open the opening of the hook portion 21, there is an advantage that it is safe.
しかし、上記フツクは、適宜の構築物に対して
かけ外しするため、鈎部２１の内径が大きく、操
作レバー２３とロツクレバー２８で形成される角
度もきわめて大きくなる。このため、操作レバー
２３とロツクレバー２８とを片手で同時に握ると
滑り、ロツクレバー２８と操作レバー２３を片手
で連続して揺動操作させることはきわめて困難で
あり、操作性が悪いという不都合がある。 However, since the hook is hooked onto and removed from a suitable structure, the inner diameter of the hook portion 21 is large, and the angle formed by the operating lever 23 and the lock lever 28 is also extremely large. Therefore, if the operating lever 23 and the locking lever 28 are held simultaneously with one hand, they will slip, and it is extremely difficult to swing the locking lever 28 and the operating lever 23 continuously with one hand, resulting in poor operability.
そこで、この考案は上記の不都合を解消し、安
全装置付きフツクの操作性の向上を図ることを目
的としている。
Therefore, the purpose of this invention is to eliminate the above-mentioned disadvantages and improve the operability of a hook with a safety device.
上記の目的を達成するために、この考案は、鈎
部を先端に有するフツク本体の内側後部に、一対
の側板を備える操作レバーの後端部を揺動可能に
取付け、その操作レバーの先端が前記鈎部の先端
部内側に当接する方向に操作レバーを偏向するス
プリングを設け、上記操作レバーの側板先端部に
は指先係合窓を形成し、操作レバーの側板間に組
込まれて先端部が上記指先係合窓に臨むくの字形
ロツクレバーの中央部を操作レバーに揺動可能に
取付け、前記フツク本体の内側後端部には、上記
ロツクレバーの後端に対向して突出部を形成し、
その突出部にロツクレバーの後端部が当接する方
向にロツク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 achieve the above object, this invention is such that the rear end of an operating lever with a pair of side plates is swingably attached to the inner rear part of the hook body which has a hook at the tip, and the tip of the operating lever is A spring is provided to deflect the operating lever in a direction in which it comes into contact with the inside of the tip of the hook, a fingertip engagement window is formed at the tip of the side plate of the operating lever, and the tip is assembled between the side plates of the operating lever. A central portion of the dogleg-shaped lock lever facing the fingertip engagement window is swingably attached to the operating lever, and a protruding portion is formed at the inner rear end portion of the hook body opposite to the rear end of the lock lever;
The protrusion is provided with a spring that deflects the lock lever in the direction in which the rear end of the lock lever comes into contact with the protrusion.
上記のように構成すれば、操作レバーの先端が
鈎部の先端部内側に当接する状態において、ロツ
クレバーの後端部がフツク本体の突出部に係合す
るため、操作レバーを揺動させることができな
い。このため、操作レバーに障害物が当接して
も、その操作レバーは揺動せず、鈎部は適宜の構
築物に係合させた状態に保持されるので安全であ
る。
With the above configuration, when the tip of the operating lever is in contact with the inside of the tip of the hook, the rear end of the lock lever engages with the protrusion of the hook body, so the operating lever cannot be swung. Can not. Therefore, even if an obstacle comes into contact with the operating lever, the operating lever will not swing and the hook will remain engaged with an appropriate structure, resulting in safety.
また、フツク本体を握り、指先係合窓に指先を
挿入することにより、その指先でロツクレバーお
よび操作レバーをそれぞれ揺動させることができ
る。 Further, by gripping the hook body and inserting the fingertip into the fingertip engagement window, the lock lever and the operating lever can be respectively swung with the fingertip.
そこで、ロツクレバーを揺動させると、後端部
が突出部から離れるため、操作レバーは回り止め
が解除され、上記操作レバーの揺動によつて鈎部
の開口を開放することができる。 Therefore, when the lock lever is swung, the rear end part separates from the protrusion, so that the operating lever is released from rotation, and the opening of the hook can be opened by swinging the operating lever.
以下、この考案の実施例を第１図及び第２図に
基づいて説明する。
Hereinafter, an embodiment of this invention will be described based on FIGS. 1 and 2.
図示のように、フツク本体１は、鈎部２を先端
に備え、その鈎部２の開口を内側から開閉する操
作レバー３が上記フツク本体１の内側部に配置さ
れている。 As shown in the figure, the hook body 1 has a hook portion 2 at its tip, and an operating lever 3 for opening and closing the opening of the hook portion 2 from the inside is arranged on the inside of the hook body 1.
上記操作レバー３は、一対の側板４，４を備
え、その側板４の後端部がフツク本体１の内側後
端部にピン５で揺動可能に取付けられている。 The operating lever 3 has a pair of side plates 4, 4, and the rear end of the side plate 4 is swingably attached to the inner rear end of the hook body 1 with a pin 5.
操作レバー３の後端部とフツク本体１の内側縁
部間にはスプリング６が組込まれ、そのスプリン
グ６の弾力により操作レバー３は一方向に偏向さ
れ、先端部が前記鈎部２の先端部内側に当接して
鈎部２の開口を閉鎖している。 A spring 6 is installed between the rear end of the operating lever 3 and the inner edge of the hook body 1, and the elasticity of the spring 6 deflects the operating lever 3 in one direction, so that the tip end is connected to the tip of the hook 2. The opening of the hook portion 2 is closed by contacting the inside.
また、操作レバー３の側板４の先端部には指先
係合窓７が設けられている。この指先係合窓７
は、図示のような切欠部であつてもよく、あるい
は第１図の鎖線イで示すような抜孔であつてもよ
い。 Further, a fingertip engagement window 7 is provided at the tip of the side plate 4 of the operating lever 3. This fingertip engagement window 7
may be a notch as shown in the figure, or a hole as shown by the chain line A in FIG.
上記操作レバー３の一対の側板４間には、くの
字形のロツクレバー８が配置され、そのロツクレ
バー８は、ピン９によつて中央部が操作レバー３
の側板４に揺動可能に支持され、先端部が前記指
先係合窓７に臨んでいる。 A dogleg-shaped lock lever 8 is disposed between the pair of side plates 4 of the operating lever 3, and the center portion of the lock lever 8 is connected to the operating lever by a pin 9.
It is swingably supported by the side plate 4 of , and its tip portion faces the fingertip engagement window 7 .
ロツクレバー８は、一対の側板１０を備え、そ
の側板１０の後端部間に取付けた係合ピン１１
は、前記フツク本体１の内側後端部に設けた突出
部１２と対向し、その突出部１２に係合ピン１１
が当接する方向にロツクレバー８を偏向するスプ
リング１３が操作レバー３の内面先端部とロツク
レバー８の先端部間にかけ渡されている。 The lock lever 8 includes a pair of side plates 10, and an engagement pin 11 attached between the rear ends of the side plates 10.
is opposed to a protrusion 12 provided at the inner rear end of the hook body 1, and an engagement pin 11 is attached to the protrusion 12.
A spring 13 that biases the lock lever 8 in the direction in which the lock lever 8 comes into contact with the lock lever 8 is stretched between the inner tip of the operating lever 3 and the tip of the lock lever 8.
実施例の場合は、ロツクレバー８に一対の側板
１０を設け、その側板１０の後端部間に取付けた
係合ピン１１を突出部１２に係合させるようにし
たが、ロツクレバー８の後端を突出部１２に直接
当接させるようにしてもよい。このため、側板１
０を省略することもできる。 In the case of the embodiment, the lock lever 8 is provided with a pair of side plates 10, and the engagement pin 11 attached between the rear ends of the side plates 10 is engaged with the protrusion 12. It may be made to contact the protrusion 12 directly. For this reason, side plate 1
0 can also be omitted.
実施例で示す安全装置付きのフツクは上記の構
造から成り、フツク本体１における鈎部２の開口
の開放に際しては、ロツクレバー８を揺動させて
から操作レバー３をフツク本体１の内側部に向け
て揺動させる。 The hook with a safety device shown in the embodiment has the above-described structure, and when opening the hook portion 2 in the hook body 1, the lock lever 8 is swung, and then the operating lever 3 is directed toward the inside of the hook body 1. and shake it.
いま、フツク本体１の後端部を持ち、操作レバ
ー３の指先係合窓７に指先を挿入することによ
り、上記指先によつてロツクレバー８を揺動させ
ることができると共に、操作レバー３を引くこと
ができる。 Now, by holding the rear end of the hook body 1 and inserting your fingertip into the fingertip engagement window 7 of the operating lever 3, you can swing the lock lever 8 with your fingertip and pull the operating lever 3. be able to.
そこで、ロツクレバー８を、先端部の押下げに
よつて揺動させると、係合ピン１１が突出部１２
から離反するため、操作レバー３の回り止めを解
除することができる。 Therefore, when the lock lever 8 is swung by pressing down the tip, the engagement pin 11 is moved to the protrusion 12.
Since the handle is separated from the handle, the rotation lock of the operating lever 3 can be released.
したがつて、操作レバー３を引くことにより、
操作レバー３がピン５を中心に揺動して鈎部２の
開口が開放し、上記鈎部２を適宜の構築物に対し
てかけ外しすることができる。 Therefore, by pulling the operating lever 3,
The operating lever 3 swings around the pin 5 to open the opening of the hook 2, allowing the hook 2 to be hooked onto and removed from an appropriate structure.
上記のようなかけ外し作業において、操作レバ
ー３を握る操作により操作レバー３を揺動して鈎
部２の開口を開放させる場合は、操作レバー３を
握る指先が鈎部２の開口に臨むため、鈎部２の開
口における有効径が小さくなり、鈎部２のかけ外
しに指先が邪魔をするが、指先係合窓７に指先を
挿入して操作レバー３を揺動させるため、鈎部２
のかけ外しに指先が邪魔にならず、かけ外し作業
をスムーズに行なうことができる。 In the above-mentioned unloading work, when the operating lever 3 is swung to open the opening of the hook 2 by grasping the operating lever 3, the fingertip grasping the operating lever 3 faces the opening of the hook 2. , the effective diameter of the opening of the hook 2 becomes smaller, and the fingertip gets in the way of engaging and removing the hook 2. However, since the fingertip is inserted into the fingertip engagement window 7 and the operating lever 3 is swung, the hook 2
Your fingertips won't get in the way when you're putting it on or taking it off, so you can do the work smoothly.
上記鈎部２を適宜の構築物にかけたのち、指先
係合窓７から指先を抜くと、操作レバー３はスプ
リング６の弾力により揺動して先端部が鈎部２の
先端部内面に当接すると共に、ロツクレバー８は
スプリング１３の弾力により揺動して係合ピン１
１が突出部１２に当接する。このため、操作レバ
ー３は回り止めされ、鈎部２の開口は閉鎖状態に
保持される。 After hanging the hook 2 on a suitable structure, when the fingertip is pulled out from the fingertip engagement window 7, the operating lever 3 swings due to the elasticity of the spring 6, and the tip comes into contact with the inner surface of the tip of the hook 2. , the lock lever 8 swings due to the elasticity of the spring 13 and locks the engagement pin 1.
1 comes into contact with the protrusion 12 . Therefore, the operating lever 3 is prevented from rotating, and the opening of the hook portion 2 is kept closed.
以上のように、この考案は、鈎部の開口を内側
から開閉する揺動可能な操作レバーの側板先端部
に指先係合窓を設け、その指先係合窓に操作レバ
ーを回り止めする揺動可能なロツクレバーの先端
部を臨ませたので、指先係合窓に挿入する指先に
よつてロツクレバーおよび操作レバーを操作する
ことができる。
As described above, this invention provides a fingertip engagement window at the tip of the side plate of a swingable operating lever that opens and closes the opening of the hook from the inside, and a swingable operating lever that prevents the operating lever from rotating in the fingertip engagement window. Since the tip of the possible lock lever is exposed, the lock lever and the operation lever can be operated by the fingertip inserted into the fingertip engagement window.
このため、この考案においては、フツクのかけ
外しを片手で操作することができると共に、ロツ
クレバーおよび操作レバーの揺動操作を連続して
行なうことができ、フツクの操作性の向上を計る
ことができる。 Therefore, with this invention, it is possible to operate the hook on and off with one hand, and the lock lever and operation lever can be swung continuously, improving the operability of the hook. .
また、指先係合窓に挿入した指先によつてロツ
クレバーおよび操作レバーを揺動させるため、開
放状態とした鈎部のかけ外しに指先が邪魔をせ
ず、かけ外し作業をスムーズに行なうことができ
る。 In addition, since the lock lever and operation lever are swung by the fingertip inserted into the fingertip engagement window, the fingertip does not interfere with hooking and removing the hook when it is in the open state, making it possible to smoothly engage and remove the hook. .
第１図は、この考案に係る安全装置付きフツク
の一実施例を示す正面図、第２図は同上のロツク
レバーの取付け部分を示す斜視図、第３図は従来
のフツクを示す正面図である。
１……フツク本体、２……鈎部、３……操作レ
バー、４……側板、６……スプリング、７……指
先係合窓、８……ロツクレバー、１２……突出
部、１３……スプリング。
Fig. 1 is a front view showing an embodiment of the hook with a safety device according to this invention, Fig. 2 is a perspective view showing the attachment portion of the lock lever, and Fig. 3 is a front view showing a conventional hook. . 1...Hook body, 2...Hook portion, 3...Operation lever, 4...Side plate, 6...Spring, 7...Fingertip engagement window, 8...Lock lever, 12...Protrusion, 13... spring.
Claims (1)
一対の側板を備える操作レバーの後端部を揺動可
能に取付け、その操作レバーの先端が前記鈎部の
先端部内側に当接する方向に操作レバーを偏向す
るスプリングを設け、上記操作レバーの側板先端
部には指先係合窓を形成し、操作レバーの側板間
に組込まれて先端部が上記指先係合窓に臨むくの
字形ロツクレバーの中央部を操作レバーに揺動可
能に取付け、前記フツク本体の内側後端部には、
上記ロツクレバーの後端に対向して突出部を形成
し、その突出部にロツクレバーの後端部が当接す
る方向にロツクレバーを偏向するスプリングを設
けた安全装置付きのフツク。 At the inner rear of the hook body, which has a hook at the tip,
A rear end of an operating lever having a pair of side plates is swingably attached, a spring is provided for deflecting the operating lever in a direction in which the tip of the operating lever comes into contact with the inside of the tip of the hook, and the side plate of the operating lever is A fingertip engagement window is formed at the tip, and the central portion of the dogleg-shaped lock lever is assembled between the side plates of the operation lever so that the tip faces the fingertip engagement window, and is swingably attached to the operation lever. At the inner rear end of the main body,
A hook with a safety device comprising a protrusion formed opposite to the rear end of the lock lever, and a spring for deflecting the lock lever in a direction in which the rear end of the lock lever comes into contact with the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14905887U JPH059015Y2 (en) | 1987-09-28 | 1987-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14905887U JPH059015Y2 (en) | 1987-09-28 | 1987-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6450853U JPS6450853U (en) | 1989-03-29 |
| JPH059015Y2 true JPH059015Y2 (en) | 1993-03-05 |
Family
ID=31420940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14905887U Expired - Lifetime JPH059015Y2 (en) | 1987-09-28 | 1987-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH059015Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6161507B2 (en) * | 2013-10-22 | 2017-07-12 | サンコー株式会社 | Safety belt hook |
-
1987
- 1987-09-28 JP JP14905887U patent/JPH059015Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6450853U (en) | 1989-03-29 |
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