JP6072616B2 - Swing connection structure - Google Patents
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- JP6072616B2 JP6072616B2 JP2013120029A JP2013120029A JP6072616B2 JP 6072616 B2 JP6072616 B2 JP 6072616B2 JP 2013120029 A JP2013120029 A JP 2013120029A JP 2013120029 A JP2013120029 A JP 2013120029A JP 6072616 B2 JP6072616 B2 JP 6072616B2
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- 238000005452 bending Methods 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
Description
本発明は、遠隔操作棒から入力される回転力を、回転駆動式の回転工具に伝達する連結構造に関し、特に、自在継手を用いた首振り連結構造に関するものである。 The present invention relates to a connection structure for transmitting a rotational force input from a remote control rod to a rotary drive type rotary tool, and more particularly to a swing connection structure using a universal joint.
架空配電線やその周辺の間接活線工事を行うための工具は、一般に、感電防止のため、遠隔操作棒の先端に接続されて使用される。 Tools for performing overhead power distribution lines and indirect hot-wire work around them are generally used by being connected to the tip of a remote control rod in order to prevent electric shock.
上記間接活線工事では、締結ボルトの締め付け及び弛め作業、ピン碍子の取り付け及び取り外し、被覆線の被覆剥ぎ取りなどの細かな作業が含まれる。 The indirect hot wire work includes fine work such as tightening and loosening of fastening bolts, attachment and removal of pin insulators, and stripping of coated wire.
ここで、従来のソケット工具を図６に示す。ソケット工具１００は、先端側に締結ボルト１０５の締結作業を行うためのディープソケット本体１０１を備えている。このディープソケット本体１０１は、ユニバーサルジョイント１０３を介して操作棒１０２と連結される。また、ユニバーサルジョイント１０３の周りには、バネ材１０４が設けられており、ディープソケット本体１０１の回転軸と操作棒１０２の回転軸とが略一直線状になるように姿勢が保持されている。 Here, a conventional socket tool is shown in FIG. The socket tool 100 includes a deep socket body 101 for performing a fastening operation of the fastening bolt 105 on the tip side. The deep socket body 101 is connected to the operation rod 102 via a universal joint 103. Further, a spring material 104 is provided around the universal joint 103, and the posture is maintained so that the rotation axis of the deep socket body 101 and the rotation axis of the operation rod 102 are substantially in a straight line.
このように構成されているので、締結ボルト１０５の軸方向を外れた斜め方向からも締め付け作業を行うことができ、作業の効率が向上する。 Since it is comprised in this way, a fastening operation | work can be performed also from the diagonal direction which deviated from the axial direction of the fastening bolt 105, and the efficiency of an operation | work improves.
しかしながら、上述のソケット工具１００では、対象物（締結ボルト１０５）の回転軸と工具（ディープソケット本体１０１）の回転軸とのなす角が大きくなり過ぎると、バネ材１０４を大きく屈曲させなければならないため反発力が増大し、回転力の伝達が円滑に行われなくなる。このため、作業域は、作業対象の締結ボルト１０５等の配置角度に対して、入力側の回転軸があまり大きく屈曲しないような範囲に限られる。 However, in the above-described socket tool 100, if the angle formed by the rotation axis of the object (fastening bolt 105) and the rotation axis of the tool (deep socket body 101) becomes too large, the spring material 104 must be bent greatly. As a result, the repulsive force increases, and the rotational force cannot be transmitted smoothly. For this reason, the work area is limited to a range in which the rotation shaft on the input side does not bend so much with respect to the arrangement angle of the fastening bolt 105 or the like to be worked.
一方、屈曲可能な範囲を超えて、対象物の回転軸に工具側の回転軸を合わせるために、工具側で傘歯車等を用いて軸の向きを変えた構成が考えられる。ところが、このような構成の場合は、上述のソケット工具１００のように操作棒１０２の回転軸と先端工具の回転軸とが一直線状に配置されないので、供回りを防止するための対策が必要になる。すなわち、回転する出力軸に対して工具本体を固定する必要がある。しかし、自在継手の入力側に対して出力側を固定すると、柔軟な首振り機構の作用が損なわれる。また、ヤットコなどの別工具を併用して固定する場合は、作業が煩雑になる上、細かな作用が行えず、作業効率が著しく低下する。 On the other hand, in order to align the rotation axis on the tool side with the rotation axis of the object beyond the bendable range, a configuration in which the direction of the shaft is changed using a bevel gear or the like on the tool side is conceivable. However, in the case of such a configuration, unlike the socket tool 100 described above, the rotating shaft of the operating rod 102 and the rotating shaft of the tip tool are not arranged in a straight line, so a measure for preventing rotation is necessary. Become. That is, it is necessary to fix the tool body to the rotating output shaft. However, if the output side is fixed with respect to the input side of the universal joint, the action of the flexible swing mechanism is impaired. Moreover, when fixing together with another tool, such as a Yatsuko, work becomes complicated and a detailed effect cannot be performed, and work efficiency is significantly reduced.
そこで、本発明では、自在継手において入力軸に対する出力軸の首振り機能を損なうことなく、且つ、出力側に取り付けられる回転工具の供回りを抑えることのできる首振り連結構造を提供することを目的とする。 Accordingly, an object of the present invention is to provide a swing coupling structure capable of suppressing the rotation of the rotary tool attached to the output side without impairing the swing function of the output shaft with respect to the input shaft in the universal joint. And
上記目的を達成するために、本発明の首振り連結構造は、遠隔操作棒から入力される回転力を回転工具へ伝達する自在継手と、自在継手の入力軸及び出力軸が略一直線状になるように、入力軸及び出力軸がそれぞれ内設された入力部材及び出力部材を、弾性的に支持した弾性支持部と、入力部材及び出力部材のうち一方の部材と一体的に固定され、屈曲する他方の部材が当接して屈曲角が所定の範囲内に規制されるように他方の部材の側方位置まで延設され、且つ延設側において周方向に所定幅の切欠きが形成された屈曲規制部と、他方の部材から切欠き内へ延びた突出部と、を備えたことを特徴とする。 In order to achieve the above object, in the swing coupling structure of the present invention, the universal joint for transmitting the rotational force input from the remote control rod to the rotary tool, and the input shaft and the output shaft of the universal joint are substantially in a straight line. As described above, the input member and the output member in which the input shaft and the output shaft are respectively provided are elastically supported by the elastic support portion and one of the input member and the output member, and are integrally fixed and bent. A bend in which a notch with a predetermined width is formed in the circumferential direction on the extending side so that the other member contacts and the bending angle is regulated within a predetermined range. It is characterized by comprising a restricting portion and a protruding portion extending from the other member into the notch.
また、本発明の首振り連結構造は、上記構成に加えて、屈曲規制部は、一方の部材と軸心を略同一にして配置された管状部材であって、他方の部材側の延設端において直径方向に対向した２箇所に切欠きが形成されていることを特徴とする。 Further, in the swing coupling structure of the present invention, in addition to the above-described configuration, the bending restricting portion is a tubular member arranged with the shaft center substantially the same as that of one member, and the extended end on the other member side 2 are characterized in that notches are formed at two locations facing each other in the diameter direction.
また、本発明の首振り連結構造は、上記構成に加えて、屈曲規制部は、入力部材側と一体的に固定されていることを特徴とする。 In addition to the above configuration, the swing coupling structure of the present invention is characterized in that the bending restricting portion is fixed integrally with the input member side.
以上のように、本発明によれば、弾性支持部により略一直線状に自在継手の姿勢が保持された回転工具を、作業対象となる部材へ当接させると、出力部材側は入力部材側に対して屈曲可能である。また、出力部材が屈曲する際、入力部材及び出力部材の一方側の部材に一体的に固定された屈曲規制部の延設端が他方側の部材と当接するので、他方側部材の屈曲角は所定の角度に規制される。したがって、入力部材と出力部材とを相対的に屈曲させることにより、作業対象の回転軸と工具側の回転軸との間で容易に軸合わせを行うことができる。 As described above, according to the present invention, when the rotary tool in which the posture of the universal joint is held substantially in a straight line by the elastic support portion is brought into contact with the member to be worked, the output member side is moved to the input member side. It can be bent. Further, when the output member is bent, the extension end of the bending restricting portion integrally fixed to the one member of the input member and the output member comes into contact with the other member, so the bending angle of the other member is It is regulated to a predetermined angle. Therefore, by relatively bending the input member and the output member, it is possible to easily align the axis between the rotating shaft to be worked and the rotating shaft on the tool side.
また、屈曲規制部が設けられているので、作業対象への押圧に対する反力を受け止めることができるので、作業対象への回転工具の当接状態を安定して保持することが可能である。さらに、屈曲規制部の延設端に形成された切欠き内に向かって、他方の部材から突出部が延びているので、自在継手に対して入力部材又は出力部材が供回りする際、切欠きと突出部とが係合し、回転を抑えることが可能である。 Further, since the bending restricting portion is provided, it is possible to receive a reaction force against the pressure on the work target, and thus it is possible to stably hold the contact state of the rotary tool to the work target. Further, since the protruding portion extends from the other member toward the inside of the notch formed at the extended end of the bending restricting portion, the notch is provided when the input member or the output member is rotated with respect to the universal joint. And the protrusion are engaged with each other, and rotation can be suppressed.
また、本発明によれば、管状部材で形成された屈曲規制部において、直径方向に対向する２箇所に切欠きが形成され、これらに対して他方の部材から突出部が延びているので、自在継手が屈曲した場合であっても、２本の突出部のうち、少なくとも一方は切欠き内に位置しているので、常に、一方の部材の他方に対する供回りが抑止され、安定して作業を行うことが可能となる。 Further, according to the present invention, in the bending restricting portion formed of the tubular member, the notch is formed at two locations opposed to each other in the diametrical direction, and the protruding portion extends from the other member, so that it is free. Even when the joint is bent, since at least one of the two protrusions is located in the notch, the rotation of one member with respect to the other is always suppressed, and the work can be performed stably. Can be done.
本発明の実施の形態に係る首振り連結構造について、図を用いて説明する。なお、構造については図１及び図２を用いて示し、動作については主に図３〜５を用いて示す。 A swing connection structure according to an embodiment of the present invention will be described with reference to the drawings. The structure is shown using FIGS. 1 and 2, and the operation is mainly shown using FIGS.
図１には、本実施の形態に係る首振り連結構造を有する連結部１と、回転工具の一例と
して被覆剥ぎ取り具５１が示されている。この被覆剥ぎ取り具５１は、挿入口５１ａに挿入された被覆電線（図示せず）の被覆を、端部から螺旋状に剥ぎ取る機構を有している。被覆剥ぎ取り具５１の回転駆動力は、遠隔操作棒（図示せず）から入力される。
FIG. 1 shows a connecting portion 1 having a swing connecting structure according to the present embodiment, and a coating stripper 51 as an example of a rotary tool. The covering stripping tool 51 has a mechanism for stripping the covering of a covered electric wire (not shown) inserted into the insertion port 51a in a spiral form from the end. The rotational driving force of the coating stripper 51 is input from a remote control rod (not shown).
連結部１は、被覆剥ぎ取り具５１の下方に設けられている。この連結部１の下端側には、遠隔操作棒から回転入力を受ける入力軸２ａが突出している。また、連結部１は、遠隔操作棒から入力される回転力を上方に接続された被覆剥ぎ取り具５１に伝達するための自在継手２を内蔵している。図１では、自在継手２は、下端側に入力軸２ａの断面六角形の先端が表れているのみであり、内部の構造については図２を用いて後ほど詳しく説明する。この図１には、自在継手２の入力軸２ａを内設する入力部材４と、出力軸２ｂ（図２で説明する）を内設する出力部材６とが表れている。 The connecting portion 1 is provided below the coating stripper 51. An input shaft 2 a that receives rotational input from a remote control rod protrudes from the lower end side of the connecting portion 1. Moreover, the connection part 1 incorporates the universal joint 2 for transmitting the rotational force input from the remote control stick | rod to the coating stripper 51 connected upwards. In FIG. 1, the universal joint 2 has only the tip of the hexagonal cross section of the input shaft 2 a appearing on the lower end side, and the internal structure will be described in detail later with reference to FIG. 2. In FIG. 1, an input member 4 in which an input shaft 2 a of the universal joint 2 is provided and an output member 6 in which an output shaft 2 b (described in FIG. 2) is provided are shown.
さらに、入力部材４の外周には、管状部材１０（屈曲規制部）が一体的に固定されている。この管状部材１０は、出力部材６側に延設される上方の延設端側が径を拡大して形成されている。そして、この延設端には、回転軸線Ａを中心とする直径方向に対向する位置に、２箇所の切欠き１１ａ、１１ｂが形成されている。 Further, a tubular member 10 (bending restricting portion) is integrally fixed to the outer periphery of the input member 4. The tubular member 10 is formed such that the upper extending end side extending toward the output member 6 is enlarged in diameter. At the extended end, two notches 11a and 11b are formed at positions opposed to each other in the diametrical direction around the rotation axis A.
これら切欠き１１ａ、１１ｂ内には、出力部材６の側面から突設された２本の突出部１２ａ、１２ｂの先端がそれぞれ侵入した状態となっている。図１では、この切欠き１１ａを通して、入力部材４と出力部材６との間に介在するスプリング８の一部が見えている。本実施の形態に係る連結部１では、このスプリング８により、入力軸２ａと出力軸２ｂとが略一直線状になるように、入力部材４及び出力部材６が弾性的に支持されている。 In these notches 11a and 11b, the tips of the two projecting portions 12a and 12b projecting from the side surface of the output member 6 are respectively inserted. In FIG. 1, a part of the spring 8 interposed between the input member 4 and the output member 6 can be seen through the notch 11a. In the connecting portion 1 according to the present embodiment, the input member 4 and the output member 6 are elastically supported by the spring 8 so that the input shaft 2a and the output shaft 2b are substantially straight.
ここで、図２に、回転軸線Ａ（図１を参照）を通る平面で切断した連結部１の断面図を示す。図２から分かるように、中心部には自在継手２が配設されている。上述のように、入力部材４の中心には入力軸２ａが回転可能に内設されており、出力部材６の中心には出力軸２ｂが回転可能に内設されている。 Here, FIG. 2 shows a cross-sectional view of the connecting portion 1 cut along a plane passing through the rotation axis A (see FIG. 1). As can be seen from FIG. 2, a universal joint 2 is disposed in the center. As described above, the input shaft 2 a is rotatably provided at the center of the input member 4, and the output shaft 2 b is rotatably provided at the center of the output member 6.
管状部材１０の上方の延設端側は、出力部材６が入力部材４に対して相対的に屈曲可能となるように、出力部材６との間に所定の間隔をおいて拡径形成されている。また、出力部材６から突設された突出部１２ａ、１２ｂは、管状部材１０の拡径部分に形成された切欠き１１ａ、１１ｂ内にまで達しているのが分かる。このように構成されているので、遠隔操作棒から回転力が入力軸２ａに入力されると、出力軸２ｂが一体となって回転する。そして、出力軸２ｂを内設している出力部材６には、出力軸２ｂとの間の摩擦により供回りしようとする力が働く。ところが、出力部材６から突設された突出部１２ａ、１２ｂが、管状部材１０の切欠き１１ａ、１１ｂに干渉するので、回転が規制され、供回りが阻止される。 The extending end side above the tubular member 10 is formed with an enlarged diameter at a predetermined interval from the output member 6 so that the output member 6 can be bent relative to the input member 4. Yes. Further, it can be seen that the protruding portions 12 a and 12 b protruding from the output member 6 reach the notches 11 a and 11 b formed in the enlarged diameter portion of the tubular member 10. Since it is comprised in this way, if rotational force is input into the input shaft 2a from a remote control stick | rod, the output shaft 2b will rotate integrally. The output member 6 in which the output shaft 2b is provided is subjected to a force that tends to be provided by friction with the output shaft 2b. However, since the projecting portions 12a and 12b projecting from the output member 6 interfere with the notches 11a and 11b of the tubular member 10, the rotation is restricted and the rotation is prevented.
次に動作について説明する。図３は、回転力が加わった際の被覆剥ぎ取り具５１の動きを示している。このうち、図３（ａ）は、被覆剥ぎ取り具５１の上方から見た平面図を示している。ここでは、管状部材１０と突出部１２ａ、１２ｂとの位置関係を理解し易いように、被覆剥ぎ取り具５１は仮想線で表わされている。また、図３（ｂ）は、図３（ａ）の状態における被覆剥ぎ取り具５１及び連結部１を挿入口５１ａ側から見た正面図を示している。 Next, the operation will be described. FIG. 3 shows the movement of the coating stripper 51 when a rotational force is applied. Among these, FIG. 3A shows a plan view viewed from above the coating stripper 51. Here, the covering stripping tool 51 is represented by an imaginary line so that the positional relationship between the tubular member 10 and the projecting portions 12a and 12b can be easily understood. Moreover, FIG.3 (b) has shown the front view which looked at the coating stripper 51 and the connection part 1 in the state of Fig.3 (a) from the insertion port 51a side.
上述のように、遠隔操作棒から回転力が入力され、出力軸２ｂから外周の出力部材６に回転力が伝達された場合であっても、突出部１２ａ、１２ｂが管状部材１０の切欠き１１ａ、１１ｂにそれぞれ干渉するので、最大でも角度αの範囲内で、出力部材６の出力軸２ｂに対する供回りが防止されることが図３によっても確認できる。 As described above, even when the rotational force is input from the remote control rod and the rotational force is transmitted from the output shaft 2b to the output member 6 on the outer periphery, the protruding portions 12a and 12b are notched 11a of the tubular member 10. 11b, it can be confirmed from FIG. 3 that the rotation of the output member 6 relative to the output shaft 2b is prevented within the range of the angle α at the maximum.
図４は、被覆電線の挿入方向である作用軸線Ｂ（図１を参照）に沿って見た正面図にお
いて、被覆剥ぎ取り具５１が左右に首振り動作を行う様子を示している。上述のように、管状部材１０の上方の延設端は、出力部材６との間に所定の間隔をおいて形成されているので、所定の角度の範囲内で出力部材６は屈曲可能である。本実施の形態に係る構成では、左右の首振り角は角度βで示されている。実際には、この角度βは、４５度程度となるように管状部材１０を形成しておくと、作業対象である被覆電線の中心軸と被覆剥ぎ取り具５１の作用軸線Ｂとの軸合わせが容易である。また、軸合わせを行い、被覆電線を挿入口５１ａ内に挿入させた後、被覆剥ぎ取り動作に移ると、被覆剥ぎ取り具５１を被覆電線側に推し進めるための力を発生させ易い。
FIG. 4 shows a state where the covering stripper 51 swings left and right in a front view seen along the action axis B (see FIG. 1), which is the insertion direction of the covered electric wire. As described above, since the extended end of the tubular member 10 is formed at a predetermined interval from the output member 6, the output member 6 can be bent within a predetermined angle range. . In the configuration according to the present embodiment, the left and right swing angles are indicated by an angle β. Actually, if the tubular member 10 is formed so that the angle β is about 45 degrees, the center axis of the covered electric wire to be worked and the operation axis B of the covering stripper 51 are aligned. Easy. Further, when the axis alignment is performed and the covered electric wire is inserted into the insertion port 51a and then the operation is shifted to the covering stripping operation, it is easy to generate a force for pushing the covering stripping tool 51 toward the coated wire.
一方、図５は、被覆電線の挿入方向である作用軸線Ｂ（図１を参照）と直交する方向から見た側面図である。この図５には、被覆剥ぎ取り具５１が前後方向に首振り動作を行う様子が示されている。図４に示した場合と同様に、弾性的に支持するスプリング８の作用により、出力部材６及び被覆剥ぎ取り具５１は、前後方向にも首振り動作を行うことができる。ただし、図４の場合は、出力部材６の側面が管状部材１０の延設端に当接することにより所定の角度β内に動きが規制されていたのに対し、図５の場合は、出力部材６から前後方向に突出した突出部１２ａ又は突出部１２ｂの先端が、切欠き１１ａ又は切欠き１１ｂの底面に当接することにより前後方向の首振り角度（角度γの範囲内）が規制される。 On the other hand, FIG. 5 is a side view seen from a direction orthogonal to the action axis B (see FIG. 1) which is the insertion direction of the covered electric wire. FIG. 5 shows a state where the coating stripper 51 swings in the front-rear direction. Similar to the case shown in FIG. 4, the output member 6 and the covering stripper 51 can swing in the front-rear direction by the action of the spring 8 that is elastically supported. However, in the case of FIG. 4, the movement of the output member 6 is restricted within a predetermined angle β by contacting the extended end of the tubular member 10, whereas in the case of FIG. 5, the output member 6 When the tip of the protrusion 12a or the protrusion 12b protruding in the front-rear direction from 6 contacts the bottom surface of the notch 11a or the notch 11b, the swing angle in the front-rear direction (within the range of the angle γ) is regulated.
図３から図５には、それぞれ特定の回転軸周りの首振り動作を示した。しかし、複数の方向への回転による複合動作も可能である。これにより、被覆電線の延びる方向と被覆剥ぎ取り具５１の作用軸線Ｂとが一致する地点まで、作業者が移動する必要はなく、広い範囲で柔軟に位置合わせを行うことが可能となる。このように、本実施の形態に係る首振り連結構造を有する連結部１によれば、作業効率の向上を図ることができる。 FIG. 3 to FIG. 5 each show a swinging motion around a specific rotation axis. However, combined operation by rotation in a plurality of directions is also possible. Thereby, it is not necessary for the operator to move to a point where the extending direction of the covered electric wire and the action axis B of the covering stripper 51 coincide with each other, and it is possible to perform positioning flexibly over a wide range. Thus, according to the connection part 1 which has the swing connection structure which concerns on this Embodiment, the improvement of work efficiency can be aimed at.
なお、上記実施の形態では、突出部１２ａ、１２ｂが出力部材６の軸心に対して直交する方向に直線状に延びる形状を例として示した。しかし、管状部材１０の切欠き１１ａ、１１ｂと干渉可能に突設されていれば、出力部材６の軸心に対して直交する方向に延びている必要はなく、直線形状でなくても構わない。 In the above embodiment, the protrusions 12 a and 12 b are illustrated as an example of a shape extending linearly in a direction orthogonal to the axis of the output member 6. However, as long as it protrudes so as to be able to interfere with the notches 11a and 11b of the tubular member 10, it does not need to extend in a direction orthogonal to the axis of the output member 6, and may not be linear. .
また、上記実施の形態では、遠隔操作棒が接続される入力軸２ａの回転軸線Ａと、被覆剥ぎ取り具５１の挿入口５１ａが延びる作用軸線Ｂとが略直交する構成を例として示した。しかし、これ以外の角度で配置された被覆剥ぎ取り具であっても同様の効果が得られる。例えば、回転軸線Ａと作用軸線Ｂとが一直線状になる構成であっても構わない。 Moreover, in the said embodiment, the rotation axis A of the input shaft 2a to which a remote control stick | rod is connected, and the structure where the action axis B where the insertion port 51a of the coating stripper 51 extends are shown as an example. However, the same effect can be obtained even with a coating stripper disposed at an angle other than this. For example, the rotation axis A and the action axis B may be in a straight line.
また、上記実施の形態では、管状部材１０に２箇所の切欠き１１ａ、１１ｂが形成された構成を例として示した。しかし、少なくとも１箇所に形成されていれば、その１箇所の切欠きと、これに対応する１本の突出部により供回りを阻止することは可能である。 Moreover, in the said embodiment, the structure by which the two notches 11a and 11b were formed in the tubular member 10 was shown as an example. However, if it is formed at least at one place, it is possible to prevent the rotation by the cutout at one place and one protrusion corresponding thereto.
また、上記実施の形態では、管状部材１０に対して、２箇所の切欠き１１ａ、１１ｂが被覆剥ぎ取り具５１の前後方向に形成された構成を例として示した。しかし、これに限らず、左右方向でも斜め方向であっても構わない。 Moreover, in the said embodiment, the notch 11a, 11b of two places was shown as an example with respect to the tubular member 10, and the structure formed in the front-back direction of the coating stripper 51 was shown. However, the present invention is not limited to this, and the left-right direction or the oblique direction may be used.
また、上記実施の形態では、入力部材４と出力部材６とがスプリング８により弾性的に支持された構成を例として示した。しかし、弾性支持部として板バネ等を用いても同様の効果を得ることは可能である。 In the above embodiment, the configuration in which the input member 4 and the output member 6 are elastically supported by the spring 8 is shown as an example. However, the same effect can be obtained even if a leaf spring or the like is used as the elastic support portion.
また、上記実施の形態では、入力部材４に対する出力部材６の相対屈曲を規制する屈曲規制部として管状部材１０を備えた構成を例として示した。しかし、屈曲規制部は管状に形成されていなくても構わない。少なくとも、屈曲が規制される入力部材４又は出力部材６の側面と所定の屈曲角で当接可能な位置に張り出していれば、枠体であっても良い。 Moreover, in the said embodiment, the structure provided with the tubular member 10 as an example was shown as a bending control part which controls the relative bending of the output member 6 with respect to the input member 4. However, the bending restricting portion may not be formed in a tubular shape. It may be a frame as long as it protrudes to a position where it can abut at a predetermined bending angle with the side surface of the input member 4 or the output member 6 where bending is restricted.
また、上記実施の形態では、管状部材１０が入力部材４と一体的に固定された構成を例として示した。しかし、出力部材６側に固定されていても構わない。 Moreover, in the said embodiment, the structure by which the tubular member 10 was integrally fixed with the input member 4 was shown as an example. However, it may be fixed to the output member 6 side.
また、上記実施の形態では、管状部材１０の延設端は切欠き１１ａ、１１ｂを除いて略同じ高さに延設された構成を例として示した。しかし、前後又は左右で高低差を設けても構わない。 Moreover, in the said embodiment, the extended end of the tubular member 10 showed as an example the structure extended to substantially the same height except the notches 11a and 11b. However, a difference in elevation may be provided between front and rear or left and right.
本発明の工具連結構造によれば、柔軟な首振り動作が可能な状態で回転駆動力を伝達することができ、しかも所定の首振り範囲に規制することができ、さらに、伝達される回転力による出力側の供回りを防止することができるので、被覆剥ぎ取り具やボルト締結のための締結工具など、遠隔操作棒と回転工具とを連結する際に有用である。 According to the tool connection structure of the present invention, the rotational driving force can be transmitted in a state where a flexible swinging operation is possible, and can be restricted to a predetermined swinging range. Therefore, it is useful when connecting a remote control rod and a rotary tool, such as a stripping tool or a fastening tool for fastening a bolt.
１ 連結部（連結構造）
２ 自在継手
２ａ 入力軸
２ｂ 出力軸
４ 入力部材（一方の部材又は他方の部材）
６ 出力部材（一方の部材又は他方の部材）
８ スプリング（弾性支持部）
１０ 管状部材（屈曲規制部）
１１ａ、１１ｂ 切欠き
１２ａ、１２ｂ 突出部
５１ 被覆剥ぎ取り具（回転工具）
５１ａ 挿入口
Ａ 回転軸線
Ｂ 作用軸線
α、β、γ 角度
1 Connection part (connection structure)
2 Universal joint 2a Input shaft 2b Output shaft 4 Input member (one member or the other member)
6 Output member (one member or the other member)
8 Spring (elastic support)
10 Tubular member (bending restricting part)
11a, 11b Notch 12a, 12b Protrusion 51 Cover stripping tool (rotary tool)
51a Insert A A Rotation axis B Action axis α, β, γ Angle
Claims (3)
前記自在継手の入力軸及び出力軸が略一直線状になるように、前記入力軸及び出力軸がそれぞれ内設された入力部材及び出力部材を、弾性的に支持した弾性支持部と、
前記入力部材及び出力部材のうち一方の部材と一体的に固定され、屈曲する他方の部材が当接して屈曲角が所定の範囲内に規制されるように前記他方の部材の側方位置まで延設され、且つ、延設側において周方向に所定幅の切欠きが形成された屈曲規制部と、
前記他方の部材から前記切欠き内へ延びた突出部と、
を備えたことを特徴とする首振り連結構造。 A universal joint that transmits the rotational force input from the remote control rod to the rotary tool;
An elastic support portion that elastically supports an input member and an output member in which the input shaft and the output shaft are respectively provided so that the input shaft and the output shaft of the universal joint are substantially in a straight line;
The input member and the output member are fixed integrally with one member, and extend to the side position of the other member so that the other member to be bent contacts and the bending angle is regulated within a predetermined range. A bending restricting portion provided with a notch having a predetermined width in the circumferential direction on the extending side;
A protrusion extending into the notch from the other member;
A swing connection structure characterized by comprising:
Priority Applications (1)
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| JP2013120029A JP6072616B2 (en) | 2013-06-06 | 2013-06-06 | Swing connection structure |
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| JP2013120029A JP6072616B2 (en) | 2013-06-06 | 2013-06-06 | Swing connection structure |
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| JP6072616B2 true JP6072616B2 (en) | 2017-02-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4075913A (en) * | 1976-12-15 | 1978-02-28 | Superior Concrete Accessories, Inc. | Remotely operable mechanism for disconnecting a pickup unit from a tilt-up concrete wall slab |
| JPH0648721Y2 (en) * | 1988-09-12 | 1994-12-12 | 株式会社三英社製作所 | Switch handle |
| US5458028A (en) * | 1994-05-11 | 1995-10-17 | Cleveland Tool Corporation | Socket wrench device |
| JP3135810B2 (en) * | 1995-01-31 | 2001-02-19 | シャープ株式会社 | Image display device |
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