JP5003166B2 - Fixing device - Google Patents

Fixing device Download PDF

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JP5003166B2
JP5003166B2 JP2007006894A JP2007006894A JP5003166B2 JP 5003166 B2 JP5003166 B2 JP 5003166B2 JP 2007006894 A JP2007006894 A JP 2007006894A JP 2007006894 A JP2007006894 A JP 2007006894A JP 5003166 B2 JP5003166 B2 JP 5003166B2
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screw
dovetail groove
groove
screw hole
sliding portion
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JP2008173691A (en
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英男 蛭川
啓 寺本
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Yokogawa Electric Corp
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Yokogawa Electric Corp
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Description

本発明は、固定装置に関し、詳しくは、あり溝等の摺動機構を有する機械部品の相互間の固定に関する。   The present invention relates to a fixing device, and more particularly, to fixing between mechanical parts having a sliding mechanism such as a dovetail groove.

従来の技術の固定装置は、図９に示すように、あり溝１１を有し固定された固定体１２と、あり溝１１に係合するためのあり溝１１の形状に合わせた摺動部１３を備えた移動体１４と、固定体１２に設けたあり溝１１方向に対して直交する方向からネジ１６を螺合させ、あり溝１１に到達するまで穿設したネジ穴１５と、ネジ穴１５に螺合させ、先端を移動体１４の摺動部１３に当接させるネジ１６とを有する。
このような構成の固定装置において、固定体１２に移動体１４を固定する際には、ネジ１６を締め付けることで移動体１４の摺動部１３の一部側面２９をネジ先端頭で押し付けることで、押し付けられた反対側の移動体１４の摺動部１３の側面２７が固定体１２のあり溝１１の側面２８に押し付けられ、且つ摺動部１３の底面３１があり溝１１の底面３２に押し付けられるという横方向と下方向の２方向に押付け力が働いて、移動体１４が固定体１２に固定される。
この固定を解除するには、ネジ１６を緩めることで、側面２７、２８同士及び底面３１、３２同士の押し付けが解除され、移動体１３が摺動可能な状態となる。
特開２００３−１０３４０８号公報（第３頁乃至４頁 第３図） As shown in FIG. 9, the prior art fixing device includes a fixed body 12 having a dovetail groove 11 and a fixed body 12, and a sliding portion 13 adapted to the shape of the dovetail groove 11 for engaging with the dovetail groove 11. , A screw hole 15 formed by screwing a screw 16 from a direction perpendicular to the direction of the dovetail groove 11 provided in the fixed body 12 and reaching the dovetail groove 11, and a screw hole 15. And a screw 16 whose tip is brought into contact with the sliding portion 13 of the moving body 14.
In the fixing device having such a configuration, when the moving body 14 is fixed to the fixed body 12, the side surface 29 of the sliding portion 13 of the moving body 14 is pressed with the head of the screw by tightening the screw 16. The side surface 27 of the sliding portion 13 of the moving body 14 on the opposite side is pressed against the side surface 28 of the dovetail groove 11 of the fixed body 12, and the bottom surface 31 of the sliding portion 13 is pressed against the bottom surface 32 of the groove 11. The moving body 14 is fixed to the fixed body 12 by the pressing force acting in the two directions of the horizontal direction and the downward direction.
In order to release this fixation, the screws 16 are loosened to release the pressing of the side surfaces 27 and 28 and the bottom surfaces 31 and 32 so that the movable body 13 is slidable.
Japanese Patent Laid-Open No. 2003-103408 (pages 3 to 4 and FIG. 3)

しかしながら、従来技術で説明した図９に示すあり溝機構で、ネジ側の側面に他の部品があるとネジを締めたり緩めたり出来ず２つの移動体と固定体との移動・固定を行うことが出来ない。
特に摺動する方向と同一の方向からしか操作出来ない場合には強い力を加えることができないという問題がある。 However, with the dovetail mechanism shown in FIG. 9 described in the prior art, if there are other parts on the side of the screw, the screw cannot be tightened or loosened, and the two moving bodies and the fixed body can be moved and fixed. I can't.
In particular, there is a problem that a strong force cannot be applied when the operation can be performed only from the same direction as the sliding direction.

従って、あり溝等の摺動機構を有する移動体及び固定体において、押付け力と同一方向から固定・解除の操作ができない場合に、ガイド部材を介在させて摺動する方向或いは直交する方向から固定と解除の操作をすることにより、簡単で確実な固定と解除の手段を提供することに解決しなければならない課題を有する。   Therefore, in a movable body and a fixed body having a sliding mechanism such as a dovetail groove, when the fixing / release operation cannot be performed from the same direction as the pressing force, the movable body and the fixed body are fixed from the sliding direction or the orthogonal direction with the guide member interposed. By performing the releasing operation, there is a problem that must be solved by providing a simple and reliable means for fixing and releasing.

上記課題を解決するために、本願発明の固定装置は、次に示す構成にしたことである。   In order to solve the above problems, the fixing device of the present invention is configured as follows.

（１）固定装置は、所定のあり溝を形成してなる固定体と、前記あり溝に係合して摺動する摺動部を備えた移動体と、前記あり溝の方向と平行な方向であって前記あり溝から外れた位置に設けたネジ穴と、前記ネジ穴と直交する方向であって前記ネジ穴が挿通し、且つ前記あり溝にまで貫通して形成されたガイド穴と、を有し、前記ガイド穴に球状に形成された球体を嵌合させ、前記ネジ穴にネジを螺合させて、三角錐形状に形成されているネジ先端で前記球体をあり溝方向に押し付けて、前記あり溝に係合している移動体の摺動部の一部側面に当接させることにより、当接された反対側の摺動部の一部側面とあり溝の一部側面が互いに押し付けられ、且つ前記摺動部の底面とあり溝の底面が互いに押し付けられて前記移動体を固定することである。 (1) The fixing device includes a fixed body formed with predetermined dovetail grooves, a moving body provided with a sliding portion that engages and slides on the dovetail grooves, and a direction parallel to the direction of the dovetail grooves. A screw hole provided at a position deviated from the dovetail groove, a guide hole formed in a direction perpendicular to the screw hole and passing through the screw hole and penetrating to the dovetail groove; A spherical body formed into a spherical shape in the guide hole, a screw is screwed into the screw hole, and the spherical body is pressed in the groove direction with a screw tip formed in a triangular pyramid shape. , by abutting on a part side of the sliding portion of the movable body is engaged with the dovetail groove, partial side of the grooved part side of the sliding portion of the abutted opposite each other The movable body is fixed by being pressed and the bottom surface of the sliding portion and the bottom surface of the dovetail groove pressed against each other. A.

（２）固定装置は、所定のあり溝を形成してなる固定体と、前記あり溝に係合して摺動する摺動部を備えた移動体と、前記あり溝の方向と直交する方向であって前記あり溝から外れた位置に設けたネジ穴と、前記ネジ穴と直交する方向であって前記ネジ穴が挿通し、且つ前記あり溝にまで貫通して形成されたガイド穴と、を有し、前記ガイド穴に球状に形成された球体を嵌合させ、前記ネジ穴にネジを螺合させて、三角錐形状に形成されているネジ先端で前記球体をあり溝方向に押し付けて、前記あり溝に係合している移動体の摺動部の一部側面に当接させることにより、当接された反対側の摺動部の一部側面とあり溝の一部側面が互いに押し付けられ、且つ前記摺動部の底面とあり溝の底面が互いに押し付けられて前記移動体を固定することである。
 (2) The fixing device includes a fixed body formed with predetermined dovetail grooves, a movable body provided with a sliding portion that engages and slides on the dovetail grooves, and a direction orthogonal to the direction of the dovetail grooves. A screw hole provided at a position deviated from the dovetail groove, a guide hole formed in a direction perpendicular to the screw hole and passing through the screw hole and penetrating to the dovetail groove; A spherical body formed into a spherical shape in the guide hole, a screw is screwed into the screw hole, and the spherical body is pressed in the groove direction with a screw tip formed in a triangular pyramid shape. , by abutting on a part side of the sliding portion of the movable body is engaged with the dovetail groove, partial side of the grooved part side of the sliding portion of the abutted opposite each other The movable body is fixed by pressing the bottom surface of the sliding portion and the bottom surface of the dovetail groove against each other. It is.

本発明においては、摺動する移動体の摺動方向からしか操作できない場合であっても、ガイド部材（球状の部品）を介して摺動する移動体の側面から拘束する力を与えることができる。   In the present invention, even when the operation can be performed only from the sliding direction of the sliding moving body, a restraining force can be applied from the side surface of the sliding moving body via the guide member (spherical component). .

次に、本願発明に係る固定装置の実施例について図面を参照して説明する。尚、従来技術で説明したものと同じものには同一符号を付与して説明する。   Next, an embodiment of a fixing device according to the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected and demonstrated to the same thing as what was demonstrated by the prior art.

本願発明の第１実施例の固定装置は、図１〜図４に示すように、あり溝１１を有し固定された固定体１２と、あり溝１１に係合するためのあり溝１１の形状に合わせた摺動部１３を備えた移動体１４と、あり溝１１の方向と平行な方向であってあり溝１１から外れた位置に設けたネジ穴２１と、ネジ穴２１と直交する方向であってネジ穴２１が挿通し、且つあり溝１１にまで貫通したガイド穴２２と、を備えた構成になっている。   As shown in FIGS. 1 to 4, the fixing device according to the first embodiment of the present invention has a fixed body 12 having a dovetail groove 11 and a shape of the dovetail groove 11 for engaging with the dovetail groove 11. In the direction perpendicular to the screw hole 21, the moving body 14 having the sliding portion 13 matched with the screw hole 21, the direction parallel to the direction of the dovetail groove 11, and the position away from the groove 11. The screw hole 21 is inserted therethrough and the guide hole 22 that penetrates to the dovetail groove 11 is provided.

そして、ガイド穴２２にはガイド部材、実施例においては球状の球体２３が収容されており、あり溝１１に貫通した部位の穴の径は球体２３の一部があり溝１１に出没できる程度の径に形成されている。   The guide hole 22 accommodates a guide member, which is a spherical sphere 23 in the embodiment, and the diameter of the hole penetrating the dovetail groove 11 is such that there is a part of the sphere 23 and the groove 11 can appear and disappear. It is formed in the diameter.

ガイド穴２２に球体２３を収容し、蓋２４をすることで、球体２３は、ガイド穴２２内部において摺動自在に移動できる状態で配置される。   By accommodating the sphere 23 in the guide hole 22 and closing the lid 24, the sphere 23 is arranged in a state that it can be slidably moved inside the guide hole 22.

そして、ネジ穴２１には、三角錐形状に形成したネジ先端２６を備えたネジ２５を螺合させる。螺合させたネジ２５の先端がネジ穴２１を通過してガイド穴２２にまで到達すると、そのネジ２５の三角錐形状に形成したネジ先端２６の側面（傾斜面）で球体２３をあり溝１１方向に押し付けることができる。 A screw 25 having a screw tip 26 formed in a triangular pyramid shape is screwed into the screw hole 21. When the tip of the screwed screw 25 passes through the screw hole 21 and reaches the guide hole 22, the spherical body 23 is formed on the side surface (inclined surface) of the screw tip 26 formed in the triangular pyramid shape of the screw 25 and the groove 11. Can be pressed in the direction.

このようにして、ガイド穴２２に球体２３を収容し、ネジ穴２１にネジ２５を螺合させることにより、球体２３はガイド穴２２内部において、ネジ２５の三角錐形状のネジ先端２６の傾斜面でガイドされることになる。
また、ネジ先端２６を三角錐形状にすることによって、緩めた状態で、球体２３がガイド穴２２のどこにあっても、再びネジ２５を締めることで球体２３を固定に必要な位置に移動させることができる。 Thus, the spherical body 23 is accommodated in the guide hole 22, and the screw 25 is screwed into the screw hole 21, whereby the spherical body 23 is inclined inside the guide hole 22 and the inclined surface of the screw tip 26 having the triangular pyramid shape of the screw 25. Will be guided by.
Further, by making the screw tip 26 into a triangular pyramid shape, the sphere 23 is moved to a position necessary for fixing by tightening the screw 25 again, wherever the sphere 23 is in the guide hole 22 in a loose state. Can do.

即ち、移動体１４を固定する場合には、図１及び図２に示すように、ガイド穴２２に収容されている球体２３に対して、直交方向、あり溝１１と平行な方向に設けたネジ穴２１に螺合されているネジ２５を締め付けると、ネジ２５の三角錐形状の先端がガイド穴２２に到達したときに、ネジ先端２６の傾斜面で球体２３をあり溝１１方向に押し付けることにより、球体２３があり溝１１方向に移動して、あり溝１１に収容されている摺動部１３の一部側面２９を直接押付ける。
そうすると、摺動部１３の一部側面２９を押付けた押付け力は、摺動部１３の一部側面２９の反対側の一部側面２７があり溝１１の一部側面２８を押し付け、且つ摺動部１３の底面３１があり溝１１の底面３２に押付けるという横方向と下方向の２方向に押付け力が働いて摺動部１３があり溝１１に固定される。 That is, when the moving body 14 is fixed, as shown in FIGS. 1 and 2, screws provided in a direction orthogonal to the spherical body 23 accommodated in the guide hole 22 and parallel to the dovetail groove 11. When the screw 25 screwed into the hole 21 is tightened, when the triangular pyramid tip of the screw 25 reaches the guide hole 22, the spherical body 23 is pressed toward the groove 11 by the inclined surface of the screw tip 26. The spherical body 23 moves in the direction of the dovetail groove 11 and directly presses the partial side surface 29 of the sliding portion 13 accommodated in the dovetail groove 11.
Then, the pressing force pressing the partial side surface 29 of the sliding portion 13 includes the partial side surface 27 opposite to the partial side surface 29 of the sliding portion 13, presses the partial side surface 28 of the groove 11, and slides. There is a bottom surface 31 of the portion 13, and a pressing force acts in two directions, ie, a lateral direction and a downward direction of pressing against the bottom surface 32 of the groove 11, and the sliding portion 13 is present and fixed to the groove 11.

移動体１４が固定体１２に固定されている状態から解除する場合には、図３及び図４に示すように、ネジ２５を緩めることにより、ネジ２５のネジ先端２６の傾斜面で押し付けている球体２３を解除することにより、摺動部１３の一部側面２９を当接している球体２３が解除され、あり溝１１の面２８と摺動部１３の面２７との押し付けが解除され、且つ底面３１、３２同士の押し付けが解除され、移動体１４は動ける状態になる。   When the moving body 14 is released from the state of being fixed to the fixed body 12, as shown in FIGS. 3 and 4, the screw 25 is loosened and pressed by the inclined surface of the screw tip 26 of the screw 25. By releasing the sphere 23, the sphere 23 that is in contact with the side surface 29 of the sliding portion 13 is released, the pressing of the surface 28 of the dovetail groove 11 and the surface 27 of the sliding portion 13 is released, and The pressing between the bottom surfaces 31 and 32 is released, and the movable body 14 is in a movable state.

次に、本願発明の第２実施例の固定装置について、図５〜図８を参照して説明する。   Next, a fixing device according to a second embodiment of the present invention will be described with reference to FIGS.

本願発明の第２実施例の固定装置は、図５〜図８に示すように、あり溝１１を有し固定された固定体１２と、あり溝１１に係合するためのあり溝１１の形状に合わせた摺動部１３を備えた移動体１４と、あり溝１１の方向と直交する方向であってあり溝１１から外れた位置に設けたネジ穴２１Ａと、ネジ穴２１Ａと直交する方向であってネジ穴２１Ａが挿通し、且つあり溝１１にまで貫通したガイド穴２２と、を備えた構成になっている。   As shown in FIGS. 5 to 8, the fixing device of the second embodiment of the present invention has a fixed body 12 having a dovetail groove 11 and a shape of the dovetail groove 11 for engaging with the dovetail groove 11. In the direction perpendicular to the direction of the dovetail groove 11 and at a position away from the groove 11, and in the direction perpendicular to the screw hole 21A. The screw hole 21 </ b> A is inserted therethrough and the guide hole 22 that penetrates to the dovetail groove 11 is provided.

そして、ガイド穴２２にはガイド部材、実施例においては球状の球体２３が収容されており、あり溝１１に貫通した部位の穴の径は球体２３の一部があり溝１１に出没できる程度の径に形成されている。   The guide hole 22 accommodates a guide member, which is a spherical sphere 23 in the embodiment, and the diameter of the hole penetrating the dovetail groove 11 is such that there is a part of the sphere 23 and the groove 11 can appear and disappear. It is formed in the diameter.

ガイド穴２２に球体２３を収容し、蓋２４をすることで、球体２３は、ガイド穴２２内部において摺動自在に移動できる状態で配置される。   By accommodating the sphere 23 in the guide hole 22 and closing the lid 24, the sphere 23 is arranged in a state that it can be slidably moved inside the guide hole 22.

そして、ネジ穴２１Ａには、三角錐形状に形成したネジ先端２６を備えたネジ２５Ａを螺合させる。螺合させたネジ２５Ａの先端がネジ穴２１Ａを通過してガイド穴２２にまで到達すると、そのネジ２５Ａの三角錐形状に形成したネジ先端２６の側面で球体２３をあり溝１１方向に押し付けることができる。 Then, a screw 25A having a screw tip 26 formed in a triangular pyramid shape is screwed into the screw hole 21A. When the tip of the screwed screw 25A passes through the screw hole 21A and reaches the guide hole 22, the spherical body 23 is pressed toward the groove 11 on the side surface of the screw tip 26 formed in the triangular pyramid shape of the screw 25A. Can do.

このようにして、ガイド穴２２に球体２３を収容し、ネジ穴２１Ａにネジ２５Ａを螺合させることにより、球体２３はガイド穴２２内部において、ネジ２５Ａの三角錐形状のネジ先端２６の傾斜面でガイドされることになる。
また、ネジ先端２６を三角錐形状にすることによって、緩めた状態で、球体２３がガイド穴２２のどこにあっても、再びネジ２５Ａを締めることで球体２３を固定に必要な位置に移動させることができる。 In this way, the spherical body 23 is accommodated in the guide hole 22 and the screw 25A is screwed into the screw hole 21A, so that the spherical body 23 has an inclined surface of the triangular pyramid-shaped screw tip 26 inside the guide hole 22 Will be guided by.
Further, by making the screw tip 26 into a triangular pyramid shape, the sphere 23 can be moved to a position necessary for fixing by tightening the screw 25A again wherever the sphere 23 is located in the guide hole 22 in the loosened state. Can do.

即ち、移動体１４を固定する場合には、図５及び図６に示すように、ガイド穴２２に収容されている球体２３に対して、直交方向、あり溝１１と直交な方向に設けたネジ穴２１Ａに螺合されているネジ２５Ａを締め付けると、ネジ２５Ａの三角錐形状の先端がガイド穴２２に到達したときに、ネジ先端２６の傾斜面で球体２３をあり溝１１方向に押し付けることにより、球体２３があり溝１１方向に移動して、あり溝１１に収容されている摺動部１３の一部側面２９を直接押付ける。
そうすると、摺動部１３の一部側面２９を押付けた押付け力は、摺動部１３の一部側面２９の反対側の一部側面２７があり溝１１の一部側面２８を押し付け、且つ摺動部１３の底面３１があり溝１１の底面３２に押付けるという横方向と下方向の２方向に押付け力が働いて摺動部１３があり溝１１に固定される。 That is, when the moving body 14 is fixed, as shown in FIGS. 5 and 6, a screw provided in a direction orthogonal to the dovetail groove 11 with respect to the sphere 23 accommodated in the guide hole 22. When the screw 25A screwed into the hole 21A is tightened, when the triangular pyramid tip of the screw 25A reaches the guide hole 22, the spherical body 23 is pressed toward the groove 11 by the inclined surface of the screw tip 26. The spherical body 23 moves in the direction of the dovetail groove 11 and directly presses the partial side surface 29 of the sliding portion 13 accommodated in the dovetail groove 11.
Then, the pressing force pressing the partial side surface 29 of the sliding portion 13 includes the partial side surface 27 opposite to the partial side surface 29 of the sliding portion 13, presses the partial side surface 28 of the groove 11, and slides. There is a bottom surface 31 of the portion 13, and a pressing force acts in two directions, ie, a lateral direction and a downward direction of pressing against the bottom surface 32 of the groove 11, and the sliding portion 13 is present and fixed to the groove 11.

移動体１４が固定体１２に固定されている状態から解除する場合には、図７及び図８に示すように、ネジ２５Ａを緩めることにより、ネジ２５Ａのネジ先端２６の傾斜面で押し付けている球体２３を解除することにより、摺動部１３の一部側面２９を当接している球体２３が解除され、あり溝１１の面２８と摺動部１３の面２７との押し付けが解除され、且つ底面３１、３２同士の押し付けが解除され、移動体１４は動ける状態になる。   When the moving body 14 is released from the state of being fixed to the fixed body 12, as shown in FIGS. 7 and 8, the screw 25A is loosened and pressed against the inclined surface of the screw tip 26 of the screw 25A. By releasing the sphere 23, the sphere 23 that is in contact with the side surface 29 of the sliding portion 13 is released, the pressing of the surface 28 of the dovetail groove 11 and the surface 27 of the sliding portion 13 is released, and The pressing between the bottom surfaces 31 and 32 is released, and the movable body 14 is in a movable state.

摺動する移動体の摺動方向からしか操作できない場合であっても、球体を介して摺動する移動体の側面から拘束する力を与えることができる固定装置を提供する。   Provided is a fixing device that can apply a restraining force from the side surface of a moving body that slides through a sphere even when the sliding body can be operated only from the sliding direction.

本願発明の第１実施例の固定体と移動体が相互に固定された状態を平面からみた説明図である。It is explanatory drawing which looked at the state by which the fixed body and moving body of 1st Example of this invention were mutually fixed from the plane. 同、本願発明の固定体と移動体が相互に固定された状態を側面からみた説明図である。It is explanatory drawing which looked at the state by which the fixed body and moving body of this invention were mutually fixed from the side. 同、本願発明の固定体と移動体が解除された状態を平面からみた説明図である。It is explanatory drawing which looked at the state from which the fixed body and moving body of this invention were cancelled | released from the same plane. 同、本願発明の固定体と移動体が解除された状態を側面からみた説明図である。It is explanatory drawing which looked at the state from which the fixed body and moving body of this invention were cancelled | released from the side. 本願発明の第２実施例の固定体と移動体が相互に固定された状態を平面からみた説明図である。It is explanatory drawing which looked at the state by which the fixed body and movable body of 2nd Example of this invention were mutually fixed from the plane. 同、本願発明の固定体と移動体が相互に固定された状態を側面からみた説明図である。It is explanatory drawing which looked at the state by which the fixed body and moving body of this invention were mutually fixed from the side. 同、本願発明の固定体と移動体が解除された状態を平面からみた説明図である。It is explanatory drawing which looked at the state from which the fixed body and moving body of this invention were cancelled | released from the same plane. 同、本願発明の固定体と移動体が解除された状態を側面からみた説明図である。It is explanatory drawing which looked at the state from which the fixed body and moving body of this invention were cancelled | released from the side. 従来技術における固定体と移動体が相互に固定された状態を平面からみた説明図である。It is explanatory drawing which looked at the state by which the fixed body and moving body in the prior art were mutually fixed from the plane.

符号の説明Explanation of symbols

１１ あり溝
１２ 固定体
１３ 摺動部
１４ 移動体
２１ ねじ穴
２１Ａ ねじ穴
２２ ガイド穴
２３ 球体
２４ 蓋
２５ ネジ
２５Ａ ネジ
２６ ネジ先端
２７ 一部側面
２８ 一部側面
２９ 一部側面
３１ 底面
３２ 底面。 11 Dovetail groove 12 Fixed body 13 Sliding part 14 Moving body 21 Screw hole 21A Screw hole 22 Guide hole 23 Sphere 24 Lid 25 Screw 25A Screw 26 Screw tip 27 Partial side surface 28 Partial side surface 29 Partial side surface 31 Bottom surface 32 Bottom surface

Claims (2)

所定のあり溝を形成してなる固定体と、
前記あり溝に係合して摺動する摺動部を備えた移動体と、
前記あり溝の方向と平行な方向であって前記あり溝から外れた位置に設けたネジ穴と、
前記ネジ穴と直交する方向であって前記ネジ穴が挿通し、且つ前記あり溝にまで貫通して形成されたガイド穴と、を有し、
前記ガイド穴に球状に形成された球体を嵌合させ、前記ネジ穴にネジを螺合させて、三角錐形状に形成されているネジ先端で前記球体をあり溝方向に押し付けて、前記あり溝に係合している移動体の摺動部の一部側面に当接させることにより、当接された反対側の摺動部の一部側面とあり溝の一部側面が互いに押し付けられ、且つ前記摺動部の底面とあり溝の底面が互いに押し付けられて前記移動体を固定することを特徴とする固定装置。 A fixed body formed with a predetermined groove,
A movable body having a sliding portion that slides in engagement with the dovetail groove;
A screw hole provided in a direction parallel to the direction of the dovetail groove and out of the dovetail groove;
A guide hole formed in a direction orthogonal to the screw hole, the screw hole being inserted therethrough, and penetrating to the dovetail groove,
A spherical body formed in a spherical shape is fitted into the guide hole, a screw is screwed into the screw hole, and the spherical body is pressed in a groove direction with a screw tip formed in a triangular pyramid shape. A part of the sliding part of the movable body engaged with the side part of the sliding part, and a part of the side part of the sliding part on the opposite side and a part of the side surface of the dovetail groove are pressed against each other, and A fixing device characterized in that a bottom surface of the sliding portion and a bottom surface of a dovetail groove are pressed against each other to fix the moving body. 所定のあり溝を形成してなる固定体と、
前記あり溝に係合して摺動する摺動部を備えた移動体と、
前記あり溝の方向と直交する方向であって前記あり溝から外れた位置に設けたネジ穴と、
前記ネジ穴と直交する方向であって前記ネジ穴が挿通し、且つ前記あり溝にまで貫通して形成されたガイド穴と、を有し、
前記ガイド穴に球状に形成された球体を嵌合させ、前記ネジ穴にネジを螺合させて、三角錐形状に形成されているネジ先端で前記球体をあり溝方向に押し付けて、前記あり溝に係合している移動体の摺動部の一部側面に当接させることにより、当接された反対側の摺動部の一部側面とあり溝の一部側面が互いに押し付けられ、且つ前記摺動部の底面とあり溝の底面が互いに押し付けられて前記移動体を固定することを特徴とする固定装置。 A fixed body formed with a predetermined groove,
A movable body having a sliding portion that slides in engagement with the dovetail groove;
A screw hole provided in a direction perpendicular to the direction of the dovetail groove and out of the dovetail groove;
A guide hole formed in a direction orthogonal to the screw hole, the screw hole being inserted therethrough, and penetrating to the dovetail groove,
A spherical body formed in a spherical shape is fitted into the guide hole, a screw is screwed into the screw hole, and the spherical body is pressed in a groove direction with a screw tip formed in a triangular pyramid shape. A part of the sliding part of the movable body engaged with the side part of the sliding part, and a part of the side part of the sliding part on the opposite side and a part of the side surface of the dovetail groove are pressed against each other, and A fixing device characterized in that a bottom surface of the sliding portion and a bottom surface of a dovetail groove are pressed against each other to fix the moving body.
JP2007006894A 2007-01-16 2007-01-16 Fixing device Active JP5003166B2 (en)

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