JP2003245863A - Multi-diameter clamping socket - Google Patents
Multi-diameter clamping socketInfo
- Publication number
- JP2003245863A JP2003245863A JP2002048390A JP2002048390A JP2003245863A JP 2003245863 A JP2003245863 A JP 2003245863A JP 2002048390 A JP2002048390 A JP 2002048390A JP 2002048390 A JP2002048390 A JP 2002048390A JP 2003245863 A JP2003245863 A JP 2003245863A
- Authority
- JP
- Japan
- Prior art keywords
- socket
- pin
- diameter
- fitting hole
- spring
- 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.)
- Granted
Links
Landscapes
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は径が異なる２種類の
締結部材（ボルトなど）を締付ける（緩める）ことを可
能とした多径締付ソケットに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-diameter tightening socket capable of tightening (loosening) two types of fastening members (bolts, etc.) having different diameters.
【０００２】[0002]
【従来の技術】ナットランナーなどの先端に取付けるソ
ケットとして、２種類の径の異なる締結部材に対応でき
るものが、実開昭５６−４２８７０号公報、特開平８−
２５７９２７号公報、特開平１１−２０７６４４号公報
に開示されている。2. Description of the Related Art As a socket to be attached to the tip of a nut runner or the like, one that can accommodate two types of fastening members having different diameters is disclosed in Japanese Utility Model Laid-Open No. 56-42870 and Japanese Unexamined Patent Publication No. Hei 8-28870.
No. 257927 and Japanese Patent Laid-Open No. 11-207644.
【０００３】上記先行技術に開示される多径締付ソケッ
トは図５（ａ）に示すように、外側ソケット１００の内
側に内側ソケット１０１を軸方向に相対移動可能に配置
し、小径のボルトを締付ける場合には、図５（ａ）に示
すように内側ソケット１０１を前進させた位置で固定
し、大径のボルトを締付ける場合には、図５（ｂ）に示
すように内側ソケット１０１を後退させた位置で固定す
る構成にしている。In the multi-diameter tightening socket disclosed in the above-mentioned prior art, as shown in FIG. 5 (a), the inner socket 101 is arranged inside the outer socket 100 so as to be relatively movable in the axial direction, and a small-diameter bolt is used. When tightening, the inner socket 101 is fixed at the advanced position as shown in FIG. 5 (a), and when tightening a large diameter bolt, the inner socket 101 is retracted as shown in FIG. 5 (b). It is configured to be fixed at the set position.
【０００４】[0004]
【発明が解決しようとする課題】上述した従来の多径締
付ソケットにあっては、内側ソケットの一部が摩耗して
も内側ソケット全体を交換しなければならず、コスト的
に問題がある。また従来の多径締付ソケットにあって
は、外側ソケットと内側ソケットとが面接触しているた
め、切替時に内側ソケットを軸方向に相対移動させる際
の抵抗が大きく引っ掛かってしまうことがある。同様
に、従来の多径締付ソケットにあっては、外側ソケット
及び内側ソケットのいずれも嵌合孔の側面がボルト頭部
の側面と平行な平面であるので、ボルト頭部を嵌合させ
る際にうまく入り込まないことがある。In the above-mentioned conventional multi-diameter tightening socket, even if a part of the inner socket is worn, the entire inner socket must be replaced, which causes a cost problem. . Further, in the conventional multi-diameter tightening socket, since the outer socket and the inner socket are in surface contact with each other, the resistance when the inner socket is relatively moved in the axial direction at the time of switching may be greatly caught. Similarly, in the conventional multi-diameter tightening socket, the side surface of the fitting hole of both the outer socket and the inner socket is a plane parallel to the side surface of the bolt head. Sometimes doesn't work well.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
本発明に係る多径締付ソケットは、内側ソケットに外側
ソケットの嵌合孔の頂角部に嵌り込む複数のソケットピ
ンを設け、このソケットピンを個別に交換可能とした。
上記構成とすることで、摩耗したソケットピンのみを交
換すればよいことになる。In order to solve the above-mentioned problems, a multi-diameter tightening socket according to the present invention is provided with a plurality of socket pins which are fitted to the apex of the fitting holes of the outer socket on the inner socket. Socket pins can be replaced individually.
With the above configuration, only the worn socket pin needs to be replaced.
【０００６】また、前記外側ソケットの嵌合孔の形状と
しては、頂角部間の側面を内方に膨出した曲面とし、前
記ソケットピンの形状としては断面略扇状をなす構成が
考えられる。このようにすることでソケットピンを外側
ソケットの嵌合孔の頂角部内に入れやすくなる。As a shape of the fitting hole of the outer socket, a side surface between the apex corners may be a curved surface bulging inward, and the socket pin may have a substantially fan-shaped cross section. This makes it easier to insert the socket pin into the apex portion of the fitting hole of the outer socket.
【０００７】また、外側ソケットの嵌合孔内面とソケッ
トピン外面とは断面において点接触する構成とすること
が好ましい。点接触にすることで、切替時の引っ掛かり
をなくすことができる。Further, it is preferable that the inner surface of the fitting hole of the outer socket and the outer surface of the socket pin are in point contact with each other in cross section. By making point contact, it is possible to eliminate the catch at the time of switching.
【０００８】[0008]
【発明の実施の形態】以下に本発明の実施の態様を添付
図面に基づいて説明する。図１は本発明に係る多径締付
ソケットの要部を断面とした全体図、図２は図１のＡ方
向矢視図、図３は図１のＢ−Ｂ方向断面図、図４はソケ
ットピンの斜視図である。多径締付ソケットは一端をナ
ットランナへの差込み部１とし、他端を拡径して外側ソ
ケット２としている。外側ソケット２にはボルト頭部な
どが嵌り込む嵌合孔３が形成されている。本実施例にあ
っては、嵌合孔３は六角形状をなしているが多角形であ
ればよい。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 is an overall view of a cross section of a main part of a multi-diameter tightening socket according to the present invention, FIG. 2 is a view taken in the direction of arrow A in FIG. 1, FIG. 3 is a cross-sectional view taken along line BB of FIG. 1, and FIG. It is a perspective view of a socket pin. The multi-diameter tightening socket has one end as an insertion portion 1 into a nut runner, and the other end having an enlarged diameter as an outer socket 2. A fitting hole 3 into which a bolt head or the like is fitted is formed in the outer socket 2. In this embodiment, the fitting hole 3 has a hexagonal shape, but may be a polygonal shape.
【０００９】また、図２に示すように、嵌合孔３の頂角
部３ａ，３ａ間の側面３ｂは内方に膨出した曲面となっ
ている。このように側面３ｂが曲面となっているため、
頂角は約９０°になっている。Also, as shown in FIG. 2, the side surface 3b between the apex corners 3a of the fitting hole 3 is a curved surface that bulges inward. Since the side surface 3b is a curved surface in this way,
The apex angle is about 90 °.
【００１０】また、多径締付ソケットの中間部には前記
嵌合孔３につながる凹部４が軸方向に形成され、この凹
部４内に内側ソケット５の一部となるインナーピン６が
挿入されている。インナーピン６には軸方向の長孔７、
周方向の溝部８、基端部の面取り部９、先端部近傍の溝
部１０が形成され、前記長孔７に係止ピン１１を挿通し
ている。そして、インナーピン６は凹部４内に縮装した
スプリング１２にて突出方向に付勢されるが、前記係止
ピン１１により凹部４内に止まる。尚、係止ピン１１は
多径締付ソケットの中間部を貫通しているが、この係止
ピン１１が多径締付ソケットから抜けるのを防止するた
め、多径締付ソケットの中間部の外周にリング１３を設
けている。Further, a concave portion 4 connected to the fitting hole 3 is axially formed in an intermediate portion of the multi-diameter tightening socket, and an inner pin 6 which is a part of the inner socket 5 is inserted into the concave portion 4. ing. The inner pin 6 has a long hole 7 in the axial direction,
A groove portion 8 in the circumferential direction, a chamfered portion 9 at the base end portion, and a groove portion 10 near the tip end portion are formed, and a locking pin 11 is inserted into the elongated hole 7. Then, the inner pin 6 is biased in the protruding direction by the spring 12 compressed inside the recess 4, but stopped in the recess 4 by the locking pin 11. The locking pin 11 penetrates the middle part of the multi-diameter tightening socket. However, in order to prevent the locking pin 11 from coming off the multi-diameter tightening socket, A ring 13 is provided on the outer circumference.
【００１１】また、前記インナーピン６の溝部１０には
Ｃリング１４を介して、複数のソケットピン１５を取付
けている。これらソケットピン１５は前記外側ソケット
２の嵌合孔３の頂角部３ａ内に嵌り込む。A plurality of socket pins 15 are attached to the groove portion 10 of the inner pin 6 via a C ring 14. These socket pins 15 are fitted into the apex portion 3a of the fitting hole 3 of the outer socket 2.
【００１２】ここで、ソケットピン１５は図４に示すよ
うに、全体として断面が扇状の棒状をなし、内側面１５
ａは内方へ膨出した曲面となっており、前記嵌合孔３の
側面３ｂと対向する面１５ｂは平面となっており、２つ
の面１５ｂ、１５ｂがなす角は約９０°となっている。
尚、１５ｃはＣリング１４の係止溝である。As shown in FIG. 4, the socket pin 15 has a fan-shaped cross section as a whole, and the inner surface 15
a is a curved surface that bulges inward, a surface 15b facing the side surface 3b of the fitting hole 3 is a flat surface, and an angle formed by the two surfaces 15b and 15b is about 90 °. There is.
Reference numeral 15c is a locking groove of the C ring 14.
【００１３】尚、前記嵌合孔３の頂角部３ａの角度も約
９０°であるので、スムーズに頂角部３ａ内にソケット
ピン１５が入り込む。更に頂角部３ａをなす側面３ｂは
内方に膨出した曲面となっており、ソケットピン１５の
面１５ｂは平面であるので、両者は断面において点接触
の状態になる。したがって、ソケットピン１５が嵌合孔
３に沿って摺動する際の抵抗は極めて小さい。Since the angle of the apex portion 3a of the fitting hole 3 is also about 90 °, the socket pin 15 can be smoothly inserted into the apex portion 3a. Further, the side surface 3b forming the apex angle portion 3a is a curved surface that bulges inward, and the surface 15b of the socket pin 15 is a flat surface, so that both are in point contact with each other in cross section. Therefore, the resistance when the socket pin 15 slides along the fitting hole 3 is extremely small.
【００１４】また、前記多径締付ソケットの中間部には
周方向に９０°離間した４箇所に穴１６を形成し、この
穴１６にスチールボール１７を装填し、この外側を筒体
１８で保持している。筒体１８はソケットの外周面に軸
方向に摺動自在とされ、ソケットの一部に設けた受け部
材１９と筒体１８との間にスプリング２０を縮装するこ
とで、先端が前記リング１３に当接する方向に付勢さ
れ、更に筒体１８の先端部内側には大径凹部２１が形成
されている。In addition, holes 16 are formed at four positions in the middle of the multi-diameter tightening socket, which are separated by 90 ° in the circumferential direction. Steel balls 17 are loaded in the holes 16 and the outside of the holes is formed by a cylindrical body 18. keeping. The tubular body 18 is slidable in the axial direction on the outer peripheral surface of the socket, and a spring 20 is contracted between a receiving member 19 provided in a part of the socket and the tubular body 18, so that the tip end thereof is the ring 13. A large-diameter concave portion 21 is formed inside the distal end portion of the cylindrical body 18 by being urged in the direction of abutting against.
【００１５】以上において、小径のボルトなどを締付け
る場合には、図１に示すように、スプリング１２の弾発
力で内側ソケット５を突出せしめてソケットピン１５の
先端と外側ソケット２の先端を揃え、且つスチールボー
ル１７をインナーピン６の面取り部９に当てて内側ソケ
ット５が後退するのを阻止した状態で使用する。In the above, when tightening a small diameter bolt or the like, as shown in FIG. 1, the inner socket 5 is projected by the elastic force of the spring 12 so that the tip of the socket pin 15 and the tip of the outer socket 2 are aligned. In addition, the steel ball 17 is applied to the chamfered portion 9 of the inner pin 6 so as to prevent the inner socket 5 from retracting.
【００１６】一方、大径のボルトなどを締付ける場合に
は、図１に示す状態から、筒体１８をスプリング２０に
抗して若干後退せしめ、筒体１８の大径凹部２１をスチ
ールボール１７の位置に一致させ、この状態で内側ソケ
ット５（インナーピン６）を押し込む。そして、インナ
ーピン６の溝部８とスチールボール１７とが一致した時
点で筒体１８をスプリング２０の弾発力で前進せしめて
ロックする。これによりソケットピン１５が後退し、外
側ソケット２の嵌合孔３が現れる。On the other hand, when tightening a large-diameter bolt or the like, the cylindrical body 18 is slightly retracted from the state shown in FIG. 1 against the spring 20, and the large-diameter concave portion 21 of the cylindrical body 18 is fixed to the steel ball 17. Match the position, and push the inner socket 5 (inner pin 6) in this state. Then, when the groove 8 of the inner pin 6 and the steel ball 17 coincide with each other, the cylindrical body 18 is advanced and locked by the elastic force of the spring 20. As a result, the socket pin 15 retracts, and the fitting hole 3 of the outer socket 2 appears.
【００１７】更に、以上の多径締付ソケットの特定のソ
ケットピンが摩耗した場合や、異なる形状のソケットピ
ンに交換して別の径のボルトなどに対応するには分解す
る必要がある。分解の手順としては、先ずソケット外周
の受け部材１９を外し、筒体１８及びリング１３を軸方
向に沿って抜き、係止ピン１１をインナーピン６の長孔
７から引き抜く。この後、内側ソケット５（インナーピ
ン６とソケットピン１５）を前方から取り出し、ソケッ
トピン１５を所定のソケットピンと交換し、前記と逆の
手順で再度組付ける。Further, when a specific socket pin of the above-mentioned multi-diameter tightening socket is worn, or when it is replaced with a socket pin having a different shape, it is necessary to disassemble it in order to cope with a bolt having a different diameter. As a disassembling procedure, first, the receiving member 19 on the outer periphery of the socket is removed, the tubular body 18 and the ring 13 are pulled out along the axial direction, and the locking pin 11 is pulled out from the long hole 7 of the inner pin 6. After that, the inner socket 5 (the inner pin 6 and the socket pin 15) is taken out from the front, the socket pin 15 is replaced with a predetermined socket pin, and the assembly is carried out again in the reverse order.
【００１８】[0018]
【発明の効果】以上に説明したように、本発明によれば
外側ソケットの内側に設ける内側ソケットを一体形状と
せずに、複数のソケットピンのそれぞれを外側ソケット
の嵌合孔の頂角部に嵌め込むようにしたので、摩耗した
場合には摩耗したソケットピンのみを交換すればよいの
でコスト的に有利である。As described above, according to the present invention, each of the plurality of socket pins is provided at the apex portion of the fitting hole of the outer socket without forming the inner socket provided inside the outer socket into an integral shape. Since it is fitted in, it is cost effective because only the worn socket pin needs to be replaced when worn.
【００１９】また、外側ソケットの嵌合孔の頂角部間の
側面を内方への膨出曲面とし、前記ソケットピンを断面
略扇状とすることで、ソケットピンの収まりがスムーズ
になり、更に、外側ソケットとソケットピンとが断面に
おいて点接触するようにすれば、切替時の引っ掛かりを
なくすことができる。Further, the side surface between the apex portions of the fitting hole of the outer socket has a curved surface bulging inward, and the socket pin has a substantially fan-shaped cross section, so that the socket pin can be smoothly accommodated. If the outer socket and the socket pin are in point contact with each other in the cross section, the catch at the time of switching can be eliminated.
【図１】本発明に係る多径締付ソケットの要部を断面と
した全体図FIG. 1 is an overall view of a cross section of a main part of a multi-diameter tightening socket according to the present invention.
【図２】図１のＡ方向矢視図FIG. 2 is a view in the direction of arrow A in FIG.
【図３】図１のＢ−Ｂ方向断面図FIG. 3 is a sectional view taken along line BB of FIG.
【図４】ソケットピンの斜視図FIG. 4 is a perspective view of a socket pin.
【図５】（ａ）及び（ｂ）は従来の多径締付ソケットの
要部を示す断面図5 (a) and 5 (b) are sectional views showing a main part of a conventional multi-diameter tightening socket.
１…ナットランナへの差込み部、２…外側ソケット、３
…嵌合孔、３ａ…嵌合孔の頂角部、３ｂ…嵌合孔の側
面、４…凹部、５…内側ソケット、６…インナーピン、
７…長孔、８…周方向の溝部、９…面取り部、１０…溝
部、１１…係止ピン、１２…スプリング、１３…リン
グ、１４…Ｃリング、１５…ソケットピン、１５ａ…ソ
ケットピンの内側面、１５ｂ…側面、１５ｃ…係止溝、
１６…穴、１７…スチールボール、１８…筒体、１９…
受け部材、２０…スプリング、２１…大径凹部。1 ... Insertion part to nut runner, 2 ... Outer socket, 3
... Fitting hole, 3a ... Fitting hole top corner portion, 3b ... Fitting hole side surface, 4 ... Recessed portion, 5 ... Inner socket, 6 ... Inner pin,
7 ... long hole, 8 ... circumferential groove portion, 9 ... chamfered portion, 10 ... groove portion, 11 ... locking pin, 12 ... spring, 13 ... ring, 14 ... C ring, 15 ... socket pin, 15a ... socket pin Inner side surface, 15b ... Side surface, 15c ... Locking groove,
16 ... Hole, 17 ... Steel ball, 18 ... Cylindrical body, 19 ...
Receiving member, 20 ... Spring, 21 ... Large diameter recess.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐伯 充善 熊本県菊池郡大津町大字平川1500番地 本 田技研工業株式会社熊本製作所内 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Mitsuyoshi Saeki 1500 Hirakawa, Otsu-cho, Kikuchi-gun, Kumamoto Inside the Kumamoto Factory of TAGIKEN Co., Ltd.
Claims (3)
方向に相対移動可能に設けた多径締付ソケットにおい
て、前記内側ソケットは外側ソケットの嵌合孔の頂角部
に嵌り込む複数のソケットピンを備え、このソケットピ
ンは個別に交換可能とされることを特徴とする多径締付
ソケット。1. A multi-diameter tightening socket in which an inner socket is provided inside an outer socket so as to be relatively movable in the axial direction, wherein the inner socket is a plurality of socket pins fitted into the apex portion of a fitting hole of the outer socket. A multi-diameter tightening socket, characterized in that the socket pins are individually replaceable.
いて、前記外側ソケットの嵌合孔を形成する頂角部間の
側面は内方に膨出した曲面とされ、前記ソケットピンは
断面略扇状をなすことを特徴とする多径締付ソケット。2. The multi-diameter tightening socket according to claim 1, wherein a side surface between apexes forming a fitting hole of the outer socket is a curved surface that bulges inward, and the socket pin has a cross section. Multi-diameter tightening socket characterized by having a substantially fan shape.
いて、前記外側ソケットの嵌合孔内面とソケットピン外
面とは断面において点接触していることを特徴とする多
径締付ソケット。3. The multi-diameter tightening socket according to claim 1, wherein an inner surface of the fitting hole of the outer socket and an outer surface of the socket pin are in point contact with each other in cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002048390A JP4172940B2 (en) | 2002-02-25 | 2002-02-25 | Multi-diameter fastening socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002048390A JP4172940B2 (en) | 2002-02-25 | 2002-02-25 | Multi-diameter fastening socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003245863A true JP2003245863A (en) | 2003-09-02 |
| JP4172940B2 JP4172940B2 (en) | 2008-10-29 |
Family
ID=28661203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002048390A Expired - Fee Related JP4172940B2 (en) | 2002-02-25 | 2002-02-25 | Multi-diameter fastening socket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4172940B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107058A (en) * | 2007-10-30 | 2009-05-21 | Sangako Co Ltd | Socket for working tool |
| JP2009255260A (en) * | 2008-04-21 | 2009-11-05 | Purosu:Kk | Socket for tool |
| JP2015212003A (en) * | 2014-05-07 | 2015-11-26 | 日産自動車株式会社 | Fastening socket and method for changeover of socket |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10953521B2 (en) | 2017-05-16 | 2021-03-23 | Milwaukee Electric Tool Corporation | Driver |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS505297U (en) * | 1973-05-09 | 1975-01-20 | ||
| JPH08257927A (en) * | 1995-03-29 | 1996-10-08 | Suzuki Motor Corp | Socket for screw |
| US5829328A (en) * | 1995-08-02 | 1998-11-03 | Chen; Shyong-Chwan | Multiple sockets wrench |
| JPH11509787A (en) * | 1996-05-22 | 1999-08-31 | メディア グループ | Universal socket wrench |
| JP2000503599A (en) * | 1995-10-17 | 2000-03-28 | ワークツールス インク | Automatic molding socket |
| JP2002103242A (en) * | 2000-10-03 | 2002-04-09 | Nippon Columbia Co Ltd | Socket wrench |
-
2002
- 2002-02-25 JP JP2002048390A patent/JP4172940B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS505297U (en) * | 1973-05-09 | 1975-01-20 | ||
| JPH08257927A (en) * | 1995-03-29 | 1996-10-08 | Suzuki Motor Corp | Socket for screw |
| US5829328A (en) * | 1995-08-02 | 1998-11-03 | Chen; Shyong-Chwan | Multiple sockets wrench |
| JP2000503599A (en) * | 1995-10-17 | 2000-03-28 | ワークツールス インク | Automatic molding socket |
| JPH11509787A (en) * | 1996-05-22 | 1999-08-31 | メディア グループ | Universal socket wrench |
| JP2002103242A (en) * | 2000-10-03 | 2002-04-09 | Nippon Columbia Co Ltd | Socket wrench |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107058A (en) * | 2007-10-30 | 2009-05-21 | Sangako Co Ltd | Socket for working tool |
| JP2009255260A (en) * | 2008-04-21 | 2009-11-05 | Purosu:Kk | Socket for tool |
| JP2015212003A (en) * | 2014-05-07 | 2015-11-26 | 日産自動車株式会社 | Fastening socket and method for changeover of socket |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4172940B2 (en) | 2008-10-29 |
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