JPH0243661Y2 - - Google Patents

Info

Publication number
JPH0243661Y2
JPH0243661Y2 JP6737886U JP6737886U JPH0243661Y2 JP H0243661 Y2 JPH0243661 Y2 JP H0243661Y2 JP 6737886 U JP6737886 U JP 6737886U JP 6737886 U JP6737886 U JP 6737886U JP H0243661 Y2 JPH0243661 Y2 JP H0243661Y2
Authority
JP
Japan
Prior art keywords
jaw
movable piece
piece
worm shaft
tightened
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
Application number
JP6737886U
Other languages
Japanese (ja)
Other versions
JPS62178073U (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6737886U priority Critical patent/JPH0243661Y2/ja
Publication of JPS62178073U publication Critical patent/JPS62178073U/ja
Application granted granted Critical
Publication of JPH0243661Y2 publication Critical patent/JPH0243661Y2/ja
Expired legal-status Critical Current

Links

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、回動作業のためのスペースが無いか
又は小さく、回し難いような箇所でも容易にボル
ト、ナツト等の被締付物を回せる替片式レンチに
関するものである。
[Detailed description of the invention] [Industrial application field] The present invention allows fasteners such as bolts and nuts to be easily rotated even in places where there is no or small space for rotation work and it is difficult to turn. This relates to a replaceable piece type wrench.

〔従来の技術〕[Conventional technology]

一般にボルト、ナツトなどの被締付物を回すた
めにレンチ、スパナなどの作業工具が用いられて
来ている。
Generally, work tools such as wrenches and spanners are used to turn bolts, nuts, and other objects to be tightened.

〔考案が解決しようとする問題点〕[Problem that the invention attempts to solve]

従来のそれら作業工具の多くは被締付物の周辺
でその柄を回して用いるものなので、回動スペー
スが必要となり、このため被締付物の周辺にある
程度の広さの空きのない箇所でそれを用いるのは
困難であつた。
Most of these conventional work tools are used by rotating the handle around the object to be tightened, so they require rotation space. It was difficult to use it.

〔問題点を解決するための手段〕[Means for solving problems]

本考案はこのような欠点を解決したもので、添
付図面を参照にしてその構成を詳述すると次の通
りである。
The present invention solves these drawbacks, and its structure will be described in detail with reference to the accompanying drawings.

レンチ本体1にウオーム軸2を設け、レンチ本
体1に弧状凹面3を有する顎部4を形成し、この
顎部4の一方先端部5に弧状凹面6を有する可動
片7を揺動自在に枢着し、この可動片7の遊離先
端部8と前記顎部4の他方先端部9とを連結する
着脱機構10を設け、ボルト、ナツトなどの被締
付物11の周面12に係合する内側面13を有
し、前記ウオーム軸2に噛合する歯列14を外側
面に有する係合片15を複数個形成し、この係合
片15を顎部4及び可動片7の各弧状凹面3,6
に着脱、回動自在に設け、前記ウオーム軸2を回
転する回転駆動機構16を設けたことを特徴とす
るものである。
A worm shaft 2 is provided on the wrench body 1, a jaw 4 having an arcuate concave surface 3 is formed on the wrench body 1, and a movable piece 7 having an arcuate concave surface 6 is pivotably pivoted at one tip 5 of the jaw 4. A detachable mechanism 10 is provided to connect the free tip 8 of the movable piece 7 and the other tip 9 of the jaw 4, and engages with the circumferential surface 12 of an object 11 to be tightened such as a bolt or nut. A plurality of engaging pieces 15 are formed, each having an inner surface 13 and a row of teeth 14 on the outer surface that engages with the worm shaft 2, and each of the engaging pieces 15 is connected to each arcuate concave surface 3 of the jaw 4 and the movable piece 7. ,6
The device is characterized in that it is provided with a rotational drive mechanism 16 that is detachably and rotatably mounted on the worm shaft 2 and rotates the worm shaft 2.

〔作用〕[Effect]

着脱機構を操作して可動片を回し出して、顎部
の口を開け、顎部と可動片とに被締付物の周面に
係合する係合片を装着する。
The attachment/detachment mechanism is operated to rotate the movable piece to open the mouth of the jaw, and the engagement piece that engages with the circumferential surface of the object to be clamped is attached to the jaw and the movable piece.

このレンチ本体の開口顎部を被締付物の周面に
係合し、その係合状態で係合片付きの可動片を逆
に回してこの可動片で顎部の口を閉め、着脱機構
を再び操作して可動片の遊離先端部と顎部の他方
先端部とを連結する。
The opening jaw of this wrench body is engaged with the circumferential surface of the object to be tightened, and in the engaged state, the movable piece with the engagement piece is turned in the opposite direction to close the mouth of the jaw with this movable piece, and the attachment/detachment mechanism is activated. Operate again to connect the free tip of the movable piece and the other tip of the jaw.

この状態で回転駆動機構によつてウオーム軸を
所要の回転方向に回転すると、回転するウオーム
軸によつて係合片の歯列が送られ、連結弧状凹面
に支承されて円周方向に並んだ係合片が回動す
る。
In this state, when the worm shaft is rotated in the required rotation direction by the rotary drive mechanism, the tooth row of the engaging piece is sent by the rotating worm shaft, and is supported by the connecting arcuate concave surface and aligned in the circumferential direction. The engagement piece rotates.

この係合片の回動に従い被締付物が回る。 According to the rotation of this engagement piece, the object to be fastened rotates.

被締付物から本レンチを取り外すには、回転駆
動機構の回転駆動を停止して、着脱機構を操作し
て可動片を回し出し、顎部の口を開けてそれを取
り外す。
To remove this wrench from the object to be tightened, stop the rotation of the rotation drive mechanism, operate the attachment/detachment mechanism to rotate the movable piece, open the jaw, and remove it.

係合片の各弧状凹面との着脱によつてする取替
は前述の通り顎部の口を開けて行う。
Replacement by attaching and detaching the engaging piece to each arcuate concave surface is performed by opening the mouth of the jaw as described above.

〔実施例〕〔Example〕

レンチ本体1にウオーム軸2を設ける。 A worm shaft 2 is provided on a wrench body 1.

図面は、レンチ本体1の先端に寄つた箇所に対
向する軸受17、軸受18を有する歯車室19を
形成し、歯車室19に連通しレンチ本体1の柄部
20の末端部に於いて開口する軸通孔21を穿設
し、軸受17,18に支承せしめてウオーム軸2
を歯車室19から軸通孔21に貫通し、歯車室1
9内のウオーム軸2にウオーム部22を設けた場
合を図示している。
The drawing shows a gear chamber 19 having bearings 17 and 18 facing each other near the tip of the wrench body 1, and communicating with the gear chamber 19 and opening at the distal end of the handle 20 of the wrench body 1. A shaft through hole 21 is bored and the worm shaft 2 is supported by bearings 17 and 18.
penetrates from the gear chamber 19 to the shaft through hole 21, and the gear chamber 1
9 shows a case where a worm portion 22 is provided on the worm shaft 2.

レンチ本体1に弧状凹面3を有する顎部4を形
成する。
A jaw portion 4 having an arcuate concave surface 3 is formed on the wrench body 1.

図面は、レンチ本体1の先端寄り一側部に前顎
部23及び後顎部24を突設し、前顎部23及び
後顎部24の内周部にほぼ240度の弧状凹面3を
形成し、弧状凹面3の内周縁寄りに係合片15の
案内溝25を形成した場合を図示している。
The drawing shows that a front jaw part 23 and a rear jaw part 24 are protruded from one side of the wrench body 1 near the tip, and an arcuate concave surface 3 of approximately 240 degrees is formed on the inner periphery of the front jaw part 23 and the rear jaw part 24. However, a case is shown in which the guide groove 25 of the engagement piece 15 is formed near the inner peripheral edge of the arcuate concave surface 3.

図中符号27はこの顎部4の一方先端部5に設
けた枢着軸26の顎部側軸承部、28は枢着軸2
6の可動片側軸承部、29は可動片7における、
係合片15を案内する案内溝である。
In the figure, reference numeral 27 denotes a jaw-side shaft bearing of a pivot shaft 26 provided at one end 5 of the jaw 4, and 28 denotes a pivot shaft 2
6 is a movable one-side shaft bearing, 29 is a movable piece 7,
This is a guide groove that guides the engagement piece 15.

この可動片7の遊離先端部8と前記顎部4の他
方先端部9とを連結する着脱機構10を設ける。
An attachment/detachment mechanism 10 is provided for connecting the free tip 8 of the movable piece 7 and the other tip 9 of the jaw 4.

図中符号30は可動片7の顎部4からの遊離を
阻止する突没杆、31は突没杆30の案内孔、3
2は突没杆30を案内孔31から圧し出す圧出装
置、33は突没杆30の突没を操作する操作部で
あり、これらによつて構成した着脱機構10を図
面は図示している。
In the figure, reference numeral 30 is a recessed rod that prevents the movable piece 7 from coming loose from the jaw 4, 31 is a guide hole for the retractable rod 30, and 3
Reference numeral 2 denotes an extrusion device for pushing out the protruding rod 30 from the guide hole 31, and numeral 33 denotes an operating section for operating the protruding and retracting of the protruding rod 30. .

ボルト、ナツトなどの被締付物11の周面12
に係合する内側面13を有し前記ウオーム軸2に
噛合する歯列14を外側面に有する係合片15を
複数個形成する。
Circumferential surface 12 of a fastened object 11 such as a bolt or nut
A plurality of engaging pieces 15 are formed, each having an inner surface 13 that engages with the worm shaft 2 and a tooth row 14 that engages with the worm shaft 2 on the outer surface.

図面は被締付物11の六角の周面12のほぼ
120度の範囲に係合する内側面を有し前記ウオー
ム部22に噛合する歯列14を外側面に有し前記
案内溝25,29に係合する突条34を有する係
合片15の三片一組を形成し、係合片15二片を
顎部4に、係合片15一片を可動片7に取付けた
場合を示しているが、係合片15は二片を一組と
して形成してもよいし、係合片15の被締付物1
1の周面12に係合する内側面の角度はほぼ120
度よりほかの角度にしてもよい。係合片15の組
はボルト、ナツトなどの被締付物11に応じて複
数組形成する。
The drawing shows approximately the hexagonal circumferential surface 12 of the object 11 to be fastened.
Three of the engaging pieces 15 have an inner surface that engages in a range of 120 degrees, a tooth row 14 that engages with the worm portion 22 on the outer surface, and a protrusion 34 that engages with the guide grooves 25 and 29; A case is shown in which two pieces of the engagement piece 15 are attached to the jaw part 4 and one piece of the engagement piece 15 is attached to the movable piece 7, but the engagement piece 15 is formed as a set of two pieces. Alternatively, the object 1 of the engaging piece 15 may be tightened.
The angle of the inner surface that engages with the peripheral surface 12 of 1 is approximately 120
An angle other than degrees may be used. A plurality of sets of engagement pieces 15 are formed depending on the objects 11 to be tightened, such as bolts and nuts.

この係合片15を顎部4及び可動片7の各弧状
凹面3,6に着脱、回動自在に設ける。
This engaging piece 15 is provided on each of the arcuate concave surfaces 3 and 6 of the jaw portion 4 and the movable piece 7 so as to be detachable and rotatable.

図面は係合片15の着脱を、顎部4の弧状凹面
3に対しては、他方先端部9側の弧状凹面3端
に、案内溝25に突条34を合わせて係合片15
を抜差しして行い、可動片7に対しては、遊離先
端部8側の弧状凹面6端に、案内溝29に突条3
4を合わせて係合片15を抜差しして行うための
構成を図示している。
The drawing shows how to attach and detach the engaging piece 15 to the arcuate concave surface 3 of the jaw 4 by aligning the protrusion 34 with the guide groove 25 at the end of the arcuate concave surface 3 on the other end 9 side.
For the movable piece 7, insert a protrusion 3 into the guide groove 29 at the end of the arcuate concave surface 6 on the side of the free tip 8.
4 is shown, and a configuration for inserting and removing the engaging piece 15 is illustrated.

前記ウオーム軸2を回動する回転駆動機構16
を設ける。
A rotational drive mechanism 16 that rotates the worm shaft 2
will be established.

第4図はレンチ本体1の末端部に設けたモータ
により駆動される回転駆動機構16によりウオー
ム軸2を回転する構成のものを図示しているが、
回転駆動機構16として手でウオーム軸2を回転
駆動させる機構を採つてもよい。
FIG. 4 shows a configuration in which the worm shaft 2 is rotated by a rotational drive mechanism 16 driven by a motor provided at the end of the wrench body 1.
The rotation drive mechanism 16 may be a mechanism in which the worm shaft 2 is manually driven to rotate.

図中符号35は係合片15の安定装置である。 Reference numeral 35 in the figure is a stabilizing device for the engaging piece 15.

第5図は本考案の別例を示すもので、第1図か
ら第3図までは被締付物11を六角状のナツトと
しているが、このものは円形パイプを被締付物1
1とした場合を示している。
FIG. 5 shows another example of the present invention. In FIGS. 1 to 3, the tightened object 11 is a hexagonal nut, but in this case, a circular pipe is used as the tightened object 11.
The case where it is set to 1 is shown.

この第5図においては、円形形パイプにピンを
貫挿し係合片15の内側面13にひつかかるよう
にしたものである。
In FIG. 5, a pin is inserted through a circular pipe and is hooked onto the inner surface 13 of the engaging piece 15.

尚、上記第1図から第5図までの図面のもの
は、係合片15の内側面13が三個で六角をなす
形状となつているが、被締付物11の形状によつ
ては橢円や六角以外の多角形状とすることもあ
る。
Note that in the drawings shown in FIGS. 1 to 5 above, the inner surface 13 of the engaging piece 15 has three hexagonal shapes, but depending on the shape of the object 11 to be fastened, It may also be a polygonal shape other than a circle or a hexagon.

第6図も本考案の別例を示すもので、係合片1
5に係止鍔36を設け、この係止鍔を被締付物1
1の一方面に係止できるように構成したものであ
る。
FIG. 6 also shows another example of the present invention, in which the engaging piece 1
5 is provided with a locking collar 36, and this locking collar is attached to the object to be tightened 1.
It is configured so that it can be locked on one side of 1.

このため、係合片15と被締付物11との位置
決め作用を得るとともに、レンチ本体1を水平に
用いた場合におけるレンチ本体1の落下を防ぐよ
うにしたものである。〔考案の効果〕 本考案は、上述の通りの構成であるから、着脱
機構を操作して可動片を回し出して、顎部の口を
開け、顎部と可動片とに被締付物の周面に係合す
る係合片を装着して、レンチ本体の開口顎部を被
締付物の周面に係合し、その係合状態で係合片付
きの可動片を逆に回してこの可動片で顎部の口を
閉め、着脱機構を再び操作して可動片の遊離先端
部と顎部の他方先端部とを連結し、この状態で回
転駆動機構によつてウオーム軸を所要の回転方向
に回転すると、回転するウオーム部によつて係合
片の歯列が送られ、連結弧状凹面に支承されて円
周方向に並んだ係合片が回動し、この係合片の回
動に従い被締付物が回ることになる。
Therefore, the positioning effect between the engaging piece 15 and the object to be tightened 11 is obtained, and the wrench main body 1 is prevented from falling when the wrench main body 1 is used horizontally. [Effects of the invention] Since the present invention has the above-mentioned configuration, the movable piece is rotated by operating the attachment/detachment mechanism, the mouth of the jaw is opened, and the object to be clamped is inserted between the jaw and the movable piece. Attach the engaging piece that engages with the circumferential surface, engage the opening jaw of the wrench body with the circumferential surface of the object to be tightened, and in this engaged state rotate the movable piece with the engaging piece in the opposite direction. Close the mouth of the jaw with the movable piece, operate the attachment/detachment mechanism again to connect the free tip of the movable piece and the other tip of the jaw, and in this state, the rotation drive mechanism rotates the worm shaft as required. When rotated in the direction, the tooth row of the engagement piece is sent by the rotating worm part, and the engagement pieces supported by the connecting arcuate concave surface and arranged in the circumferential direction rotate. The clamped object will rotate accordingly.

即ち、被締付物に対しレンチ本体が静止してい
る状態において、被締付物が係合片により回され
るので、本案品では、レンチ本体のよく動かせな
い箇所の被締付物を楽に回せることになる。
In other words, when the wrench body is stationary relative to the object to be tightened, the object to be tightened is rotated by the engaging piece, so with this product, it is possible to easily tighten the object in a part of the wrench body that cannot be moved easily. You can turn it.

この場合、被締付物のほぼ全周面に係合片の内
側面が係合するため、被締付物をしつかり回せる
ことになる。
In this case, since the inner surface of the engaging piece engages with almost the entire circumference of the object to be tightened, the object to be tightened can be firmly rotated.

被締付物とレンチとの着脱は回転駆動機構の回
転駆動を停止して、着脱機構の操作により可動片
を顎部に対して開閉することによつて行えるの
で、その着脱は速く容易に行える。
Attaching and detaching the wrench from the object to be tightened can be done by stopping the rotation of the rotary drive mechanism and opening and closing the movable piece relative to the jaw by operating the attachment and detachment mechanism, so attachment and detachment can be done quickly and easily. .

係合片の各弧状凹面との着脱による取替も顎部
の口を開けた状態とすることにより速く容易に行
える。
Replacement by attaching and detaching the engaging piece to each arcuate concave surface can also be done quickly and easily by keeping the mouth of the jaw portion open.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の一実施例を示すもので、第1図
は可動片を開放した正面図、第2図は要部の正断
面図、第3図はA−A線断面図、第4図は使用状
態を示す斜視図、第5図は円形パイプを回動する
場合の正面図、第6図は係合片に係止鍔を付設し
た場合の別例の断面図である。 1……レンチ本体、2……ウオーム軸、3,6
……弧状凹面、4……顎部、5,9……先端部、
7……可動片、8……遊離先端部、10……着脱
機構、11……被締付物、12……周面、13…
…内周面、14……歯列、15……係合片、16
……回転駆動機構。
The drawings show one embodiment of the present invention, in which Fig. 1 is a front view with the movable piece opened, Fig. 2 is a front sectional view of the main part, Fig. 3 is a sectional view taken along line A-A, and Fig. 4. 5 is a perspective view showing the state of use, FIG. 5 is a front view when the circular pipe is rotated, and FIG. 6 is a sectional view of another example when a locking collar is attached to the engaging piece. 1... Wrench body, 2... Worm shaft, 3, 6
...Arc-shaped concave surface, 4...Jaw section, 5, 9...Tip section,
7...Movable piece, 8...Free tip, 10...Attachment/detaching mechanism, 11...Tightened object, 12...Surrounding surface, 13...
...Inner peripheral surface, 14...Tooth row, 15...Engagement piece, 16
...Rotary drive mechanism.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] レンチ本体にウオーム軸を設け、レンチ本体に
弧状凹面を有する顎部を形成し、この顎部の一方
先端部に弧状凹面を有する可動片を揺動自在に枢
着し、この可動片の遊離先端部と前記顎部の他方
先端部とを連結する着脱機構を設け、ボルト、ナ
ツトなどの被締付物の周面に係合する内側面を有
し、前記ウオーム軸に噛合する歯列を外側面に有
する係合片を複数個形成し、この係合片を顎部及
び可動片の各弧状凹面に着脱、回動自在に設け、
前記ウオーム軸を回転する回転駆動機構を設けた
ことを特徴とする替片式レンチ。
A worm shaft is provided on the wrench body, a jaw portion having an arcuate concave surface is formed on the wrench body, a movable piece having an arcuate concave surface is pivotally attached to one tip of the jaw portion, and the free tip of the movable piece and the other end of the jaw, and has an inner surface that engages with the circumferential surface of an object to be tightened such as a bolt or nut, and has an outer tooth row that engages with the worm shaft. A plurality of engaging pieces are formed on the side surface, and the engaging pieces are provided on each arcuate concave surface of the jaw and the movable piece so as to be detachable and rotatable,
A replaceable wrench characterized by being provided with a rotational drive mechanism that rotates the worm shaft.
JP6737886U 1986-05-02 1986-05-02 Expired JPH0243661Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6737886U JPH0243661Y2 (en) 1986-05-02 1986-05-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6737886U JPH0243661Y2 (en) 1986-05-02 1986-05-02

Publications (2)

Publication Number Publication Date
JPS62178073U JPS62178073U (en) 1987-11-12
JPH0243661Y2 true JPH0243661Y2 (en) 1990-11-20

Family

ID=30906231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6737886U Expired JPH0243661Y2 (en) 1986-05-02 1986-05-02

Country Status (1)

Country Link
JP (1) JPH0243661Y2 (en)

Also Published As

Publication number Publication date
JPS62178073U (en) 1987-11-12

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