JP6512009B2 - Fastening device - Google Patents

Fastening device Download PDF

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JP6512009B2
JP6512009B2 JP2015143954A JP2015143954A JP6512009B2 JP 6512009 B2 JP6512009 B2 JP 6512009B2 JP 2015143954 A JP2015143954 A JP 2015143954A JP 2015143954 A JP2015143954 A JP 2015143954A JP 6512009 B2 JP6512009 B2 JP 6512009B2
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bolt
fastened
fastening device
fastened member
recess
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JP2017025994A (en
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渡邉　雅之
雅之 渡邉
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Denso Corp
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Denso Corp
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Description

本発明は、ボルトの軸力により被締結部材を締結する締結装置に関する。   The present invention relates to a fastening device that fastens a member to be fastened by an axial force of a bolt.

従来、ボルトの軸力により被締結部材を締結する締結装置が知られている。
特許文献１に記載された締結装置は、ボルトの軸力によりワッシャと被締結部材と基台とをこの順で締結するものである。この締結装置は、ボルト頭部のワッシャ側をテーパ面とし、ワッシャのボルト頭部側の面をボルト頭部のテーパ面に対応したテーパ溝としている。また、ボルト頭部のテーパ面およびワッシャのテーパ溝にはそれぞれ、ボルトの中心軸から放射状に延びる複数の溝が設けられている。
さらに、この締結装置が備える円盤状のワッシャは、被締結部材に設けられた円筒形の凹部に挿入されている。ワッシャと凹部には、円の中心からずれた位置にボルト孔が設けられている。これにより、この締結装置は、ボルトとワッシャと被締結部材との相対回転を規制し、ボルトの緩みを防いでいる。 BACKGROUND Conventionally, a fastening device is known in which a fastened member is fastened by an axial force of a bolt.
The fastening device described in Patent Document 1 is to fasten the washer, the member to be fastened, and the base in this order by the axial force of the bolt. In this fastening device, the washer side of the bolt head is a tapered surface, and the surface on the bolt head side of the washer is a tapered groove corresponding to the tapered surface of the bolt head. The tapered surface of the bolt head and the tapered groove of the washer are each provided with a plurality of grooves extending radially from the central axis of the bolt.
Furthermore, the disk shaped washer with which this fastening device is provided is inserted in the cylindrical recessed part provided in the to-be-fastened member. Bolt holes are provided in the washer and the recess at positions offset from the center of the circle. Thus, the fastening device regulates the relative rotation between the bolt, the washer and the member to be fastened, and prevents the bolt from loosening.

特開２０１４−１０５８６２号公報Unexamined-Japanese-Patent No. 2014-105862

しかしながら、特許文献１に記載された締結装置は、ボルト頭部にテーパ面と複数の溝を設け、ワッシャにテーパ溝と複数の溝を設けているので、ボルトおよびワッシャの構成が複雑になり、それらの部品コストが大きなものとなる。
また、特許文献１に記載された締結装置は、ワッシャの径方向の外壁と、被締結部材の凹部の径方向の内壁との間に、ワッシャを凹部に挿入するための僅かな隙間が設けられていると考えられる。そのため、ボルト締結時において、その隙間分、ワッシャと被締結部材とが相対回転することが懸念される。
さらに、ボルト締結後において、外部からの振動などにより、ワッシャと被締結部材とが相対回転すると、ボルトとワッシャとが供回りし、被締結部材からボルトが緩むおそれがある。 However, in the fastening device described in Patent Document 1, since the tapered portion and the plurality of grooves are provided on the bolt head and the tapered groove and the plurality of grooves are provided on the washer, the configuration of the bolt and the washer becomes complicated. The cost of their parts is high.
Further, in the fastening device described in Patent Document 1, a slight gap for inserting the washer into the recess is provided between the radial outer wall of the washer and the radial inner wall of the recess of the member to be fastened. It is thought that Therefore, when the bolt is tightened, there is a concern that the washer and the member to be fastened rotate relative to each other by the gap.
Furthermore, after the bolt is tightened, when the washer and the member to be fastened rotate relative to each other due to vibration from the outside, the bolt and the washer rotate together, and the bolt may be loosened from the member to be fastened.

本発明は、上記の課題に鑑みてなされたものであり、ボルト締結時におけるボルトと被締結部材との供回りを防ぎ、且つ、ボルト締結後におけるボルトの緩みを防ぐことの可能な締結装置を提供することを目的とする。   The present invention has been made in view of the above problems, and it is possible to prevent the turning of the bolt and the member to be fastened together at the time of bolt fastening, and to prevent the loosening of the bolt after bolt fastening. Intended to be provided.

本発明の締結装置は、ボルト、第１被締結部材および第２被締結部材を備える。第１被締結部材は、ボルトが挿通する第１孔を有する。第２被締結部材は、ボルトが挿通する第２孔、及び、第１被締結部材が埋め込まれる凹部を有する。第１被締結部材及び第２被締結部材は、傾斜部を有する。傾斜部は、ボルトの径方向外側に位置する第１被締結部材の外壁、及びその第１被締結部材の外壁に当接する第２被締結部材の凹部の内壁に設けられ、凹部の開口側から底面側へ向けてボルト側へ傾斜している。
第１被締結部材は、ボルトの径方向外側に位置する第１被締結部材の外壁においてボルトの軸と平行に設けられる第１平行部を有する。第２被締結部材は、凹部の内壁において第１平行部に対応する位置にボルトの軸と平行に設けられる第２平行部を有する。凹部の開口側に位置する第１被締結部材の上面は、第１平行部に対して垂直である。 Fastening device of the present invention comprises a bolt, the first member being fastened and the second fastened member. The first member to be fastened has a first hole through which the bolt is inserted. The second to-be-fastened member has a second hole through which the bolt is inserted, and a recess in which the first to-be-fastened member is embedded. The first to-be-fastened member and the second to-be-fastened member have inclined portions. The inclined portion is provided on the outer wall of the first fastened member located radially outward of the bolt and the inner wall of the recess of the second fastened member contacting the outer wall of the first fastened member, from the opening side of the recess It inclines to the bolt side toward the bottom side.
The first member to be fastened has a first parallel portion provided parallel to the axis of the bolt on the outer wall of the first member to be fastened located radially outward of the bolt. The second member to be fastened has a second parallel portion provided parallel to the axis of the bolt at a position corresponding to the first parallel portion on the inner wall of the recess. The upper surface of the first fastened member located on the opening side of the recess is perpendicular to the first parallel portion.

これにより、ボルトの締結時において、傾斜部を構成する第１被締結部材の外壁と、第２被締結部材の凹部の内壁とが当接し、ボルトの軸力により第１被締結部材と第２被締結部材とが互いに押し合う。そのため、締結装置は、ボルトの締結時において、第１被締結部材と第２被締結部材との相対回転を防ぐことで、ボルトのトルクによりボルトと第１被締結部材とが供回りすることを防ぐことができる。   Thereby, at the time of fastening the bolt, the outer wall of the first fastened member constituting the inclined portion and the inner wall of the recess of the second fastened member abut, and the axial force of the bolt causes the first fastened member and the second The to-be-fastened members push each other. Therefore, the fastening device prevents the relative rotation between the first and second members to be fastened at the time of fastening the bolt so that the torque of the bolt and the first and second members can be rotated by the torque of the bolt. It can prevent.

さらに、ボルト締結後においても、ボルトの軸力により第１被締結部材と第２被締結部材とが互いに押し合う。そのため、外部からの振動などによって第１被締結部材と第２被締結部材とが相対回転することが防がれる。したがって、締結装置は、ボルト締結後におけるボルトの緩みを防ぐことができる。   Furthermore, even after the bolt is tightened, the first member to be fastened and the second member to be fastened are pressed against each other by the axial force of the bolt. Therefore, it is possible to prevent relative rotation between the first and second members to be fastened due to external vibration and the like. Therefore, the fastening device can prevent loosening of the bolt after bolt fastening.

本発明の第１実施形態による締結装置の断面図である。1 is a cross-sectional view of a fastening device according to a first embodiment of the present invention. 図１のＩＩ方向の平面図である。It is a top view of II direction of FIG. 本発明の第２実施形態による締結装置の断面図である。FIG. 5 is a cross-sectional view of a fastening device according to a second embodiment of the present invention. 図３のＩＶ方向の平面図である。It is a top view of the IV direction of FIG. 本発明の第３実施形態による締結装置の断面図である。FIG. 7 is a cross-sectional view of a fastening device according to a third embodiment of the present invention. 比較例の締結装置の断面図である。It is sectional drawing of the fastening apparatus of a comparative example. 図６のＶＩＩ方向の平面図である。It is a top view of the VII direction of FIG.

以下、本発明の複数の実施形態を図面に基づき説明する。なお、複数の実施形態において実質的に同一の構成には同一の符号を付して説明を省略する。
（第１実施形態）
本発明の第１実施形態を図１および図２に示す。第１実施形態の締結装置１は、ボルト２の軸力により、第１被締結部材１０と第２被締結部材２０とを締結するものである。第１被締結部材１０としてワイヤーハーネスなどが例示され、第２被締結部材２０としてトランスミッションなどが例示される。但し、締結装置１が締結する複数の被締結部材１０，２０はそれらに限るものでなく、締結装置１は種々の被締結部材１０，２０同士の締結に適用することが可能なものである。 Hereinafter, a plurality of embodiments of the present invention will be described based on the drawings. In addition, the same code | symbol is attached | subjected to a substantially the same structure in several embodiment, and description is abbreviate | omitted.
First Embodiment
A first embodiment of the invention is shown in FIGS. 1 and 2. The fastening device 1 of the first embodiment is to fasten the first fastened member 10 and the second fastened member 20 by the axial force of the bolt 2. A wire harness etc. is illustrated as the 1st to-be-fastened member 10, A transmission etc. are illustrated as the 2nd to-be-fastened member 20. FIG. However, the plurality of to-be-clamped members 10 and 20 which the fastening device 1 fastens are not restricted to them, and the fastening device 1 is applicable to fastening of various to-be-fastened members 10 and 20 each other.

まず、締結装置１の構成について説明する。
図１に示すように、締結装置１が備えるボルト２は、いわゆる汎用品であり、頭部３、その頭部３から延びる軸部４、及び、その軸部４の頭部３とは反対側の端部に設けられたねじ部５を有する。
第１被締結部材１０は、ボルト２の軸部４が挿通可能な第１孔１１を有する。図２に示すように、第１被締結部材１０は、ボルト２の軸方向から見て、矩形状である。なお、第１被締結部材１０は、ボルト２の軸方向から見て例えば多角形状または楕円形状など、非円形であればよい。 First, the configuration of the fastening device 1 will be described.
As shown in FIG. 1, the bolt 2 included in the fastening device 1 is a so-called general-purpose product, and the head 3, the shaft 4 extending from the head 3, and the opposite side to the head 3 of the shaft 4 The screw 5 is provided at the end of the.
The first fastened member 10 has a first hole 11 through which the shaft 4 of the bolt 2 can be inserted. As shown in FIG. 2, the first fastened member 10 has a rectangular shape when viewed from the axial direction of the bolt 2. The first fastened member 10 may have a non-circular shape, such as a polygonal shape or an elliptical shape, as viewed from the axial direction of the bolt 2.

図１に示すように、第２被締結部材２０は、ボルト２の軸部４が挿通可能な第２孔２１を有する。第２孔２１の内壁には、ボルト２のねじ部５が螺合する雌ねじ２２が設けられている。
また、第２被締結部材２０は、第１被締結部材１０が埋め込まれる凹部２３を有する。この凹部２３は、ボルト２の軸方向から見て、第１被締結部材１０に対応した形状である。 As shown in FIG. 1, the second fastened member 20 has a second hole 21 through which the shaft 4 of the bolt 2 can be inserted. The inner wall of the second hole 21 is provided with a female screw 22 in which the screw portion 5 of the bolt 2 is screwed.
Moreover, the 2nd to-be-fastened member 20 has the recessed part 23 in which the 1st to-be-fastened member 10 is embedded. The recess 23 has a shape corresponding to the first member 10 as viewed from the axial direction of the bolt 2.

ボルト２の径方向外側に位置する第１被締結部材１０の外壁には、第１傾斜部１２が設けられている。第１傾斜部１２は、凹部２３の開口２８側から底面２４側へ向けてボルト２側へ傾斜している。また、第１傾斜部１２は、ボルト２の軸方向から見て、第１被締結部材１０の外壁のうちボルト２の軸Ｏを挟んだ両側に平行に設けられている。なお、図２では、第１被締結部材１０における凹部２３の底面２４側の下面１３と第１傾斜部１２との境界線を破線αで示している。   A first inclined portion 12 is provided on the outer wall of the first fastened member 10 located radially outward of the bolt 2. The first inclined portion 12 is inclined toward the bolt 2 from the opening 28 side of the recess 23 toward the bottom surface 24. The first inclined portion 12 is provided parallel to both sides of the outer wall of the first fastened member 10 across the axis O of the bolt 2 when viewed from the axial direction of the bolt 2. In FIG. 2, the boundary between the lower surface 13 on the bottom surface 24 side of the recess 23 of the first fastened member 10 and the first inclined portion 12 is indicated by a broken line α.

第２被締結部材２０の凹部２３の内壁において第１傾斜部１２に対応する位置には、第２傾斜部２５が設けられている。第２傾斜部２５は、第１傾斜部１２とほぼ同一の傾斜角で、凹部２３の開口２８側から底面２４側へ向けてボルト２側へ傾斜している。また、第２傾斜部２５も、第１傾斜部１２と同様に、ボルト２の軸方向から見て、凹部２３の内壁のうちボルト２の軸Ｏを挟んだ両側に平行に設けられている。なお、図２では、第２被締結部材２０における凹部２３の底面２４と第２傾斜部２５との境界線を破線βで示している。   A second inclined portion 25 is provided at a position corresponding to the first inclined portion 12 in the inner wall of the recess 23 of the second fastened member 20. The second inclined portion 25 is inclined toward the bolt 2 from the opening 28 side of the recess 23 toward the bottom surface 24 at substantially the same inclination angle as the first inclined portion 12. Further, as in the case of the first inclined portion 12, the second inclined portion 25 is also provided in parallel on both sides of the inner wall of the recess 23 across the axis O of the bolt 2 when viewed from the axial direction of the bolt 2. In FIG. 2, the boundary between the bottom surface 24 of the recess 23 and the second inclined portion 25 in the second fastened member 20 is indicated by a broken line β.

第１傾斜部１２と第２傾斜部２５により「傾斜部」が構成される。第１傾斜部１２と第２傾斜部２５とは、仮にそれらの傾斜面に僅かな公差が生じたとしても、面接触、線接触または点接触のいずれかにより当接可能である。なお、第１傾斜部１２と第２傾斜部２５とが当接した状態で、第１被締結部材１０の下面１３と、凹部２３の底面２４との間には所定の空間３０が形成されている。   The first inclined portion 12 and the second inclined portion 25 constitute an “inclined portion”. The first inclined portion 12 and the second inclined portion 25 can be brought into contact by any of surface contact, line contact or point contact even if a slight tolerance occurs in their inclined surfaces. A predetermined space 30 is formed between the lower surface 13 of the first fastened member 10 and the bottom surface 24 of the recess 23 in a state where the first inclined portion 12 and the second inclined portion 25 are in contact with each other. There is.

次に、締結装置１の作用について説明する。
図１に示すように、第１被締結部材１０の第１孔１１から第２被締結部材２０の第２孔２１へボルト２の軸部４を挿入し、第２孔２１に形成された雌ねじ２２にボルト２のねじ部５を螺合する。これにより、第１被締結部材１０および第２被締結部材２０にはボルト２の軸力Ｆが作用する。このとき、第１傾斜部１２と第２傾斜部２５とが当接する箇所には、斜面に垂直な力Ｆ０が作用する。その力Ｆ０は、２つの分力Ｆ１，Ｆ２に分解することが可能である。このうち、ボルト２の径方向に作用する分力Ｆ２は、第１被締結部材１０と第２被締結部材２０とがボルト２の径方向に互いに押し合う力となる。ここで、上述したように、傾斜部１２，２５は、ボルト２の軸方向から見て、ボルト２の軸Ｏを挟んだ両側に平行に設けられている。そのため、第１被締結部材１０と第２被締結部材２０とが相対回転することが防がれる。したがって、締結装置１は、ボルト２の締結時において、ボルト２と第１被締結部材１０とが供回りすることを防ぐことができる。 Next, the operation of the fastening device 1 will be described.
As shown in FIG. 1, the shaft 4 of the bolt 2 is inserted from the first hole 11 of the first fastened member 10 into the second hole 21 of the second fastened member 20, and a female screw formed in the second hole 21. Screw the threaded portion 5 of the bolt 2 into 22. Thereby, the axial force F of the bolt 2 acts on the first fastened member 10 and the second fastened member 20. At this time, a force F0 perpendicular to the slope acts on the portion where the first inclined portion 12 and the second inclined portion 25 abut. The force F0 can be decomposed into two component forces F1 and F2. Among these, the component force F 2 acting in the radial direction of the bolt 2 is a force that pushes the first fastened member 10 and the second fastened member 20 to each other in the radial direction of the bolt 2. Here, as described above, the inclined portions 12 and 25 are provided in parallel on both sides of the axis O of the bolt 2 when viewed from the axial direction of the bolt 2. Therefore, relative rotation between the first and second members 10 and 20 is prevented. Therefore, the fastening device 1 can prevent the bolt 2 and the first fastened member 10 from rotating together when the bolt 2 is fastened.

また、ボルト２の締結後においても、ボルト２の軸力Ｆにより、第１被締結部材１０と第２被締結部材２０とがボルト２の径方向に互いに押し合う分力Ｆ２は維持される。そのため、外部からの振動が第１被締結部材１０または第２被締結部材２０に伝わる場合でも、第１被締結部材１０と第２被締結部材２０とが相対回転することが防がれる。したがって、締結装置１は、ボルト２の締結後におけるボルト２の緩みを防ぐことができる。   Further, even after the bolt 2 is fastened, the axial force F of the bolt 2 maintains the component force F2 in which the first fastened member 10 and the second fastened member 20 push each other in the radial direction of the bolt 2. Therefore, even when external vibration is transmitted to the first fastened member 10 or the second fastened member 20, relative rotation between the first fastened member 10 and the second fastened member 20 is prevented. Therefore, the fastening device 1 can prevent the loosening of the bolt 2 after the fastening of the bolt 2.

ここで、比較例による締結装置１００について、図６および図７を参照して説明する。
比較例の締結装置１００は、第２被締結部材１２０に凹部が設けられていない。第１被締結部材１１０は、第２被締結部材１２０の上面１２１に載置されている。また、第２被締結部材１２０は、上面１２１から突出する凸部１２２を有する。この凸部１２２は、ボルト２の径方向外側に位置する第１被締結部材１１０の外壁１１２に当接可能である。 Here, the fastening device 100 according to the comparative example will be described with reference to FIGS. 6 and 7.
In the fastening device 100 of the comparative example, the second fastened member 120 is not provided with a recess. The first to-be-fastened member 110 is placed on the top surface 121 of the second to-be-fastened member 120. The second fastened member 120 also has a convex portion 122 projecting from the upper surface 121. The convex portion 122 can be in contact with the outer wall 112 of the first fastened member 110 located radially outward of the bolt 2.

第１被締結部材１１０の第１孔１１１からボルト２を挿入し、第２被締結部材１２０の雌ねじ１２３にボルト２のねじ部５を締結する際、ボルト２のトルクにより第１被締結部材１１０は第２被締結部材１２０に対し、図７の矢印Ａの方向へ回転しようとする。このとき、第１被締結部材１１０の外壁１１２と第２被締結部材１２０の凸部１２２とが当接すると、第１被締結部材１１０と第２被締結部材１２０との相対回転が防がれる。   When the bolt 2 is inserted from the first hole 111 of the first fastened member 110 and the screw portion 5 of the bolt 2 is fastened to the female screw 123 of the second fastened member 120, the torque of the bolt 2 causes the first fastened member 110 to 7 rotates in the direction of arrow A in FIG. 7 with respect to the second fastened member 120. At this time, when the outer wall 112 of the first fastened member 110 and the convex portion 122 of the second fastened member 120 abut, relative rotation between the first fastened member 110 and the second fastened member 120 is prevented. .

しかし、比較例の締結装置１００は、第２被締結部材１２０および凸部１２２を例えば鋳造などにより成形する場合、凸部１２２の形状精度または寸法精度が低いものとなることが考えられる。その場合、比較例の締結装置１００は、第１被締結部材１１０と第２被締結部材１２０との位置決めが困難になるおそれがある。   However, when the second fastening member 120 and the convex portion 122 are formed by casting, for example, the fastening device 100 of the comparative example is considered to have low shape accuracy or dimensional accuracy of the convex portion 122. In that case, in the fastening device 100 of the comparative example, there is a possibility that the positioning of the first to-be-fastened member 110 and the second to-be-fastened member 120 may be difficult.

さらに、比較例の締結装置１００は、ボルト２の締結後において、外部からの振動が第１被締結部材１１０および第２被締結部材１２０に伝わると、第１被締結部材１１０は第２被締結部材１２０に対し、図７の矢印Ｂの方向へ回転する場合が考えられる。このとき、第１被締結部材１１０の外壁１１２が第２被締結部材１２０の凸部１２２から矢印Ｂの方向へ離れると、それと共にボルト２が緩むことが懸念される。   Furthermore, in the fastening device 100 of the comparative example, when external vibration is transmitted to the first fastened member 110 and the second fastened member 120 after the bolt 2 is fastened, the first fastened member 110 is engaged with the second fastened The case where it rotates with respect to the member 120 in the direction of arrow B of FIG. 7 is considered. At this time, when the outer wall 112 of the first fastened member 110 is separated from the convex portion 122 of the second fastened member 120 in the direction of the arrow B, there is a concern that the bolt 2 may be loosened with it.

これに対し、第１実施形態の締結装置１は、次の作用効果を奏する。
（１）第１実施形態では、ボルト２の締結時において、第１傾斜部１２と第２傾斜部２５とが当接し、ボルト２の軸力により第１被締結部材１０と第２被締結部材２０とが互いに押し合う。そのため、締結装置１は、ボルト２の締結時におけるボルト２と第１被締結部材１０との供回りを防ぐことができる。
さらに、ボルト２の締結後においても、締結装置１は、第１被締結部材１０と第２被締結部材２０との相対回転を防ぎ、ボルト２の緩みを防ぐことができる。 On the other hand, the fastening device 1 of the first embodiment has the following effects.
(1) In the first embodiment, when the bolt 2 is fastened, the first inclined portion 12 and the second inclined portion 25 abut, and the axial force of the bolt 2 causes the first fastened member 10 and the second fastened member 20 and push each other. Therefore, the fastening device 1 can prevent the turning of the bolt 2 and the first fastened member 10 when the bolt 2 is fastened.
Furthermore, even after the bolt 2 is tightened, the fastening device 1 can prevent relative rotation between the first and second members 10 and 20, and can prevent the bolt 2 from being loosened.

（２）第１実施形態では、傾斜部１２，２５は、ボルト２の軸方向から見て非円形である。
これにより、第１傾斜部１２と第２傾斜部２５とは、ボルト２の軸Ｏからの距離が異なる複数の箇所または連続した箇所で当接する。したがって、締結装置１は、ボルト２の締結時における第１被締結部材１０の供回り、及び、ボルト２の締結後におけるボルト２の緩みを防ぐことができる。 (2) In the first embodiment, the inclined portions 12 and 25 are non-circular as viewed from the axial direction of the bolt 2.
As a result, the first inclined portion 12 and the second inclined portion 25 abut on a plurality of places or continuous places having different distances from the axis O of the bolt 2. Therefore, the fastening device 1 can prevent the turning of the first fastened member 10 at the time of fastening of the bolt 2 and the loosening of the bolt 2 after fastening of the bolt 2.

（３）第１実施形態では、締結装置１は、第１被締結部材１０の下面１３と、凹部２３の底面２４との間に空間３０を有する。
これにより、第１傾斜部１２と第２傾斜部２５とを確実に当接させることが可能である。 (3) In the first embodiment, the fastening device 1 has the space 30 between the lower surface 13 of the first fastened member 10 and the bottom surface 24 of the recess 23.
Thereby, it is possible to make the 1st slope 12 and the 2nd slope 25 contact certainly.

（第２実施形態）
本発明の第２実施形態を図３および図４に示す。
第２実施形態の締結装置１が備える第１被締結部材１０は、板状部材がプレス加工等により折り曲げられて形成されたものである。第１被締結部材１０は、ボルト２の径方向外側に位置する外壁に、ボルト２の軸Ｏと平行に形成された第１平行部１４を有する。第１平行部１４は、第１傾斜部１２よりも凹部２３の底面２４側に設けられている。
第２被締結部材２０は、凹部２３の内壁における第１平行部１４に対応する位置に、ボルト２の軸Ｏと平行に形成された第２平行部２６を有する。第２平行部２６は、第２傾斜部２５よりも凹部２３の底面２４側に設けられている。 Second Embodiment
A second embodiment of the present invention is shown in FIGS.
The 1st to-be-fastened member 10 with which the fastening apparatus 1 of 2nd Embodiment is provided is a plate-shaped member bend | folded by press work etc., and is formed. The first member to be fastened 10 has a first parallel portion 14 formed parallel to the axis O of the bolt 2 on the outer wall located radially outward of the bolt 2. The first parallel portion 14 is provided closer to the bottom surface 24 of the recess 23 than the first inclined portion 12.
The second fastened member 20 has a second parallel portion 26 formed parallel to the axis O of the bolt 2 at a position corresponding to the first parallel portion 14 in the inner wall of the recess 23. The second parallel portion 26 is provided closer to the bottom surface 24 of the recess 23 than the second inclined portion 25.

なお、第１被締結部材１０において、凹部２３の開口２８側に位置する第１被締結部材１０の上面１５は、第１平行部１４に対して垂直に形成されている。そのため、第１被締結部材１０の第１平行部１４と第２被締結部材２０の第２平行部２６とが当接した状態で、第１被締結部材１０の上面１５は、ボルト２の軸Ｏに対して垂直となる。したがって、締結装置１は、第１被締結部材１０の上面１５と、第２被締結部材２０の上面２７とを平行にすることが可能である。   In the first fastened member 10, the upper surface 15 of the first fastened member 10 located on the opening 28 side of the recess 23 is formed perpendicular to the first parallel portion 14. Therefore, in a state where the first parallel portion 14 of the first fastened member 10 and the second parallel portion 26 of the second fastened member 20 are in contact with each other, the upper surface 15 of the first fastened member 10 is the shaft of the bolt 2 It is perpendicular to O. Therefore, the fastening device 1 can make the upper surface 15 of the first fastened member 10 parallel to the upper surface 27 of the second fastened member 20.

さらに、第２実施形態では、凹部２３の底面２４側に位置する第１被締結部材１０の下端部１６と、凹部２３の底面２４とは当接している。ボルト２の軸Ｏを挟んだ第１被締結部材１０の両側において、第１被締結部材１０の下端部１６，１６と、第１被締結部材１０の上面１５との距離γ１、γ２は同一である。また、凹部２３の底面２４は、ボルト２の軸Ｏに対して垂直である。そのため、ボルト２の軸Ｏを挟んだ第１被締結部材１０の両側の下端部１６，１６と、第２被締結部材２０における凹部２３の底面２４とが当接した状態で、第１被締結部材１０の上面１５はボルト２の軸Ｏに対して垂直となる。したがって、締結装置１は、第１被締結部材１０の上面１５と、第２被締結部材２０の上面２７とを平行にすることが可能である。   Furthermore, in the second embodiment, the lower end portion 16 of the first fastened member 10 located on the bottom surface 24 side of the recess 23 abuts on the bottom surface 24 of the recess 23. On both sides of the first fastened member 10 sandwiching the axis O of the bolt 2, the distances γ1 and γ2 between the lower ends 16 and 16 of the first fastened member 10 and the upper surface 15 of the first fastened member 10 are the same. is there. Further, the bottom surface 24 of the recess 23 is perpendicular to the axis O of the bolt 2. Therefore, in a state where the lower end portions 16 and 16 of both sides of the first fastened member 10 sandwiching the axis O of the bolt 2 and the bottom surface 24 of the recess 23 in the second fastened member 20 abut, the first fastened The upper surface 15 of the member 10 is perpendicular to the axis O of the bolt 2. Therefore, the fastening device 1 can make the upper surface 15 of the first fastened member 10 parallel to the upper surface 27 of the second fastened member 20.

なお、第２実施形態では、ボルト２の締結時において、第１被締結部材１０の下端部１６と、凹部２３の底面２４とが当接した状態で、第１傾斜部１２と第２傾斜部２５とが非接触となる場合が想定される。しかし、この場合であっても、第２実施形態では第１被締結部材１０が板状部材から形成されているので、ボルト２の軸力により、その板状部材が撓み、第１傾斜部１２と第２傾斜部２５とが当接する。そのため、締結装置１は、ボルト２の締結時におけるボルト２と被締結部材との供回りを防ぐことができる。さらに、締結装置１は、ボルト２の締結後においても、第１被締結部材１０と第２被締結部材２０との相対回転を防ぎ、ボルト２の緩みを防ぐことができる。   In the second embodiment, the first inclined portion 12 and the second inclined portion are in a state where the lower end portion 16 of the first fastened member 10 and the bottom surface 24 of the concave portion 23 abut each other when the bolt 2 is tightened. The case where it becomes noncontact with 25 is assumed. However, even in this case, in the second embodiment, since the first fastened member 10 is formed of a plate-like member, the plate-like member is bent by the axial force of the bolt 2 and the first inclined portion 12 And the second inclined portion 25 abut. Therefore, the fastening device 1 can prevent the turning of the bolt 2 and the member to be fastened at the time of fastening the bolt 2. Furthermore, even after the fastening of the bolt 2, the fastening device 1 can prevent relative rotation between the first fastened member 10 and the second fastened member 20 and can prevent the bolt 2 from being loosened.

第２実施形態の締結装置１は、次の作用効果を奏する。
（１）第２実施形態では、第１被締結部材１０はボルト２の軸Ｏと平行に設けられた第１平行部１４を有し、第２被締結部材２０は第１平行部１４に対応する位置でボルト２の軸Ｏと平行に設けられた第２平行部２６を有する。また、第１被締結部材１０の上面１５は、第１平行部１４に対して垂直である。
これにより、第１平行部１４と第２平行部２６とが当接することにより、第１被締結部材１０の上面１５が、ボルト２の軸Ｏに対して垂直となる。したがって、締結装置１は、第１被締結部材１０の上面１５と、第２被締結部材２０の上面２７とを平行にすることが可能である。 The fastening device 1 of the second embodiment has the following effects.
(1) In the second embodiment, the first fastened member 10 has the first parallel portion 14 provided parallel to the axis O of the bolt 2, and the second fastened member 20 corresponds to the first parallel portion 14. And the second parallel portion 26 provided parallel to the axis O of the bolt 2. Further, the upper surface 15 of the first fastened member 10 is perpendicular to the first parallel portion 14.
As a result, when the first parallel portion 14 and the second parallel portion 26 abut on each other, the upper surface 15 of the first fastened member 10 becomes perpendicular to the axis O of the bolt 2. Therefore, the fastening device 1 can make the upper surface 15 of the first fastened member 10 parallel to the upper surface 27 of the second fastened member 20.

（２）第２実施形態では、ボルト２の軸Ｏを挟んだ第１被締結部材１０の両側において、第１被締結部材１０の下端部１６，１６と、凹部２３の底面２４とが当接した状態のとき、第１被締結部材１０の上面１５は、ボルト２の軸Ｏに対して垂直である。
これにより、第１被締結部材１０の上面１５を、ボルト２の軸Ｏに対して垂直にすることが可能である。 (2) In the second embodiment, the lower ends 16 and 16 of the first fastened member 10 and the bottom surface 24 of the recess 23 abut on both sides of the first fastened member 10 sandwiching the axis O of the bolt 2 In this state, the upper surface 15 of the first fastened member 10 is perpendicular to the axis O of the bolt 2.
Thereby, it is possible to make the upper surface 15 of the first fastened member 10 perpendicular to the axis O of the bolt 2.

（３）第２実施形態では、第１被締結部材１０は、板状部材が折り曲げられて形成されたものである。
第１被締結部材１０の下端部１６と凹部２３の底面２４とが当接した場合でも、板状部材が撓むことにより、第１傾斜部１２と第２傾斜部２５とを当接させることが可能である。 (3) In the second embodiment, the first member to be fastened 10 is formed by bending a plate-like member.
Even when the lower end portion 16 of the first member to be fastened 10 and the bottom surface 24 of the recess 23 abut, the plate-like member is bent to abut the first inclined portion 12 and the second inclined portion 25. Is possible.

（第３実施形態）
本発明の第２実施形態を図５に示す。
第３実施形態の締結装置１が備える第１被締結部材１０は、第１傾斜部１２および第１平行部１４を有する。第２被締結部材２０は、第２傾斜部２５および第２平行部２６を有する。第１傾斜部１２と第２傾斜部２５とが当接した状態で、第１被締結部材１０の下面１３と、凹部２３の底面２４との間には所定の空間３０が形成されている。 Third Embodiment
A second embodiment of the invention is shown in FIG.
The first fastened member 10 provided in the fastening device 1 of the third embodiment has a first inclined portion 12 and a first parallel portion 14. The second fastened member 20 has a second inclined portion 25 and a second parallel portion 26. A predetermined space 30 is formed between the lower surface 13 of the first fastened member 10 and the bottom surface 24 of the recess 23 in a state in which the first inclined portion 12 and the second inclined portion 25 abut.

第３実施形態においても、第１平行部１４と第２平行部２６とが当接することで、第１被締結部材１０の上面１５と、第２被締結部材２０の上面２７とを平行にすることが可能である。
また、第３実施形態においても、第１傾斜部１２と第２傾斜部２５とが互いに押し合うので、締結装置１は、ボルト２の締結時におけるボルト２と被締結部材との供回りを防ぎ、ボルト２の締結後におけるボルト２の緩みを防ぐことができる。 Also in the third embodiment, the upper surface 15 of the first fastened member 10 and the upper surface 27 of the second fastened member 20 are made parallel by the first parallel portion 14 and the second parallel portion 26 being in contact with each other. It is possible.
Further, also in the third embodiment, since the first inclined portion 12 and the second inclined portion 25 push each other, the fastening device 1 prevents corotation of the bolt 2 and the member to be fastened when the bolt 2 is fastened. And loosening of the bolt 2 after fastening of the bolt 2 can be prevented.

（他の実施形態）
（１）上述した実施形態では、第２被締結部材２０の第２孔２１に形成した雌ねじ２２にボルト２のねじ部５を螺合する構成とした。これに対し、他の実施形態では、第２被締結部材２０の第２孔２１からボルト２のねじ部５を突出させ、そこにナットを取り付ける構成としてもよい。 (Other embodiments)
(1) In the embodiment described above, the screw portion 5 of the bolt 2 is screwed into the female screw 22 formed in the second hole 21 of the second member 20 to be fastened. On the other hand, in another embodiment, the screw portion 5 of the bolt 2 may be protruded from the second hole 21 of the second fastened member 20 and a nut may be attached thereto.

（２）上述した実施形態では、第１被締結部材１０の第１孔１１から第２被締結部材２０の第２孔２１へボルト２を挿入する構成とした。これに対し、他の実施形態では、第２被締結部材２０の第２孔２１から第１被締結部材１０の第１孔１１へボルト２を挿入し、第１被締結部材１０の上面１５でナットを取り付ける構成としてもよい。また、第１被締結部材１０の第１孔１１に雌ねじを形成し、その雌ねじにボルト２のねじ部５を螺合してもよい。 (2) In the embodiment described above, the bolt 2 is inserted into the second hole 21 of the second fastened member 20 from the first hole 11 of the first fastened member 10. On the other hand, in another embodiment, the bolt 2 is inserted from the second hole 21 of the second fastened member 20 into the first hole 11 of the first fastened member 10, and the upper surface 15 of the first fastened member 10 A nut may be attached. Alternatively, a female screw may be formed in the first hole 11 of the first member 10 to be fastened, and the screw portion 5 of the bolt 2 may be screwed into the female screw.

（３）上述した実施形態では、締結装置１は、頭部３、軸部４及びねじ部５を有するボルト２を使用した。これに対し、他の実施形態では、締結装置１は、軸部４の両端部分にそれぞれ雌ねじが形成されたボルトを使用してもよい。 (3) In the embodiment described above, the fastening device 1 uses the bolt 2 having the head 3, the shaft 4 and the screw 5. On the other hand, in another embodiment, the fastening device 1 may use bolts in which female threads are formed at both end portions of the shaft portion 4.

（４）上述した実施形態では、第１被締結部材１０の全体を第２被締結部材２０の凹部２３に埋め込む構成とした。これに対し、他の実施形態では、第１被締結部材１０の少なくとも一部を第２被締結部材２０の凹部２３に埋め込む構成としてもよい。
このように、本発明は、上述した複数の実施形態に限定されるものではなく、上述した複数の実施形態を組み合わせることに加え、発明の趣旨を逸脱しない範囲で種々の形態で実施可能である。 (4) In the embodiment described above, the entire first to-be-fastened member 10 is embedded in the recess 23 of the second to-be-fastened member 20. On the other hand, in another embodiment, at least a part of the first fastened member 10 may be embedded in the recess 23 of the second fastened member 20.
Thus, the present invention is not limited to the above-described plurality of embodiments, and in addition to combining the above-described plurality of embodiments, the present invention can be practiced in various forms without departing from the spirit of the invention .

１ ・・・締結装置
２ ・・・ボルト
１０・・・第１被締結部材
１１・・・第１孔
１２・・・第１傾斜部（傾斜部）
２０・・・第２被締結部材
２１・・・第２孔
２３・・・凹部
２４・・・底面
２５・・・第２傾斜部（傾斜部） 1 · · · Fastening device 2 · · · Bolt 10 · · · First to-be-fastened member 11 · · · first hole 12 · · · first inclined portion (inclined portion)
20 ... 2nd to-be-fastened member 21 ... 2nd hole 23 ... recessed part 24 ... bottom face 25 ... 2nd inclined part (inclined part)

Claims (7)

ボルト（２）と、
前記ボルトが挿通する第１孔（１１）を有する第１被締結部材（１０）と、
前記ボルトが挿通する第２孔（２１）、及び、前記第１被締結部材が埋め込まれる凹部（２３）を有する第２被締結部材（２０）と、
を備え、
前記第１被締結部材及び前記第２被締結部材は、前記ボルトの径方向外側に位置する前記第１被締結部材の外壁、及びその第１被締結部材の外壁に当接する前記第２被締結部材の前記凹部の内壁に設けられ、前記凹部の開口（２８）側から底面（２４）側へ向けて前記ボルト側へ傾斜する傾斜部（１２，２５）を有し、
前記第１被締結部材は、前記ボルトの径方向外側に位置する前記第１被締結部材の外壁において前記ボルトの軸（Ｏ）と平行に設けられる第１平行部（１４）を有し、
前記第２被締結部材は、前記凹部の内壁において前記第１平行部に対応する位置に前記ボルトの軸と平行に設けられる第２平行部（２６）を有し、
前記凹部の前記開口側に位置する前記第１被締結部材の上面（１５）は、前記第１平行部に対して垂直である締結装置。 With the bolt (2)
A first fastened member (10) having a first hole (11) through which the bolt is inserted;
A second fastened member (20) having a second hole (21) through which the bolt is inserted, and a recess (23) in which the first fastened member is embedded;
Equipped with
The first member to be fastened and the second member to be fastened contact the outer wall of the first member to be fastened located radially outward of the bolt and the second member to be fastened to the outer wall of the first member to be fastened It has an inclined portion (12, 25) provided on the inner wall of the recess of the member and inclined toward the bolt from the opening (28) side of the recess toward the bottom (24) side ,
The first member to be fastened has a first parallel portion (14) provided parallel to the axis (O) of the bolt on the outer wall of the first member to be fastened located radially outward of the bolt;
The second fastened member has a second parallel portion (26) provided parallel to the axis of the bolt at a position corresponding to the first parallel portion on the inner wall of the recess,
The fastening device in which the upper surface (15) of said 1st to-be-fastened member located in said opening side of said recessed part is perpendicular | vertical with respect to said 1st parallel part . 前記ボルトの軸を挟んだ前記第１被締結部材の両側において、前記凹部の前記底面側に位置する前記第１被締結部材の下端部（１６）と、前記凹部の前記底面とが当接した状態のとき、前記第１被締結部材の前記上面は、前記ボルトの軸に対して垂直である請求項１に記載の締結装置。 The lower end portion (16) of the first fastened member located on the bottom side of the recess abuts on the bottom of the recess on both sides of the first fastened member sandwiching the axis of the bolt in the state, the upper surface of the first member to be fastened, the fastening device according to claim 1 which is perpendicular to the axis of the bolt. 前記第１被締結部材における前記凹部の前記底面側の下面（１３）と、前記凹部の前記底面との間に空間（３０）を有するものである請求項１に記載の締結装置。 Said lower surface (13) of the bottom side of the recess in the first member being fastened, the fastening device according to claim 1 and has a space (30) between said bottom surface of said recess. 前記傾斜部は、
前記ボルトの径方向外側に位置する前記第１被締結部材の外壁に設けられる第１傾斜部（１２）と、
前記第２被締結部材の前記凹部の内壁において前記第１傾斜部に対応する位置に設けられる第２傾斜部（２５）と、
を有するものである請求項１から３のいずれか一項に記載の締結装置。 The inclined portion is
A first inclined portion (12) provided on an outer wall of the first member to be fastened located radially outward of the bolt;
A second inclined portion (25) provided at a position corresponding to the first inclined portion in the inner wall of the concave portion of the second fastened member;
Fastening device according to any one of claims 1 to 3 and has a. 前記傾斜部は、前記ボルトの軸方向から見て非円形である請求項１から４のいずれか一項に記載の締結装置。 The fastening device according to any one of claims 1 to 4, wherein the inclined portion is non-circular when viewed from the axial direction of the bolt. トランスミッションにおいてワイヤーハーネスの固定に用いられる締結装置であって、
ボルト（２）と、
前記ボルトが挿通する第１孔（１１）を有する第１被締結部材（１０）と、
単一の部材で構成され、前記ボルトが挿通する第２孔（２１）、及び、前記第１被締結部材が埋め込まれる凹部（２３）を有する第２被締結部材（２０）と、
を備え、
第１被締結部材は、前記ボルトの径方向外側に位置する前記第１被締結部材の外壁に設けられ、前記第２被締結部材の前記凹部の開口（２８）側から底面（２４）側へ向けて前記ボルト側へ傾斜する第１傾斜部（１２）を有し、
前記第２被締結部材は、前記凹部の内壁において前記第１傾斜部に対応する位置に設けられ、前記凹部の前記開口側から前記底面側へ向けて前記ボルト側へ傾斜する第２傾斜部（２５）を有し、
前記第１傾斜部及び前記第２傾斜部は、前記ボルトの軸方向から見て非円形である締結装置。 A fastening device used for fixing a wire harness in a transmission, comprising:
With the bolt (2)
A first fastened member (10) having a first hole (11) through which the bolt is inserted;
A second fastened member (20) comprising a single member and a second hole (21) through which the bolt is inserted, and a recess (23) in which the first fastened member is embedded;
Equipped with
The first member to be fastened is provided on the outer wall of the first member to be fastened located radially outward of the bolt, and from the opening (28) side of the recess of the second member to the bottom (24) side Having a first inclined portion (12) inclined toward the bolt side
The second inclined member is provided at a position corresponding to the first inclined portion in the inner wall of the concave portion, and is a second inclined portion (inclined toward the bolt side from the opening side of the concave portion toward the bottom surface) 25) and
The fastening device wherein the first inclined portion and the second inclined portion are non-circular when viewed from the axial direction of the bolt . 前記第１被締結部材は、板状部材が折り曲げられて形成されたものである請求項１から６のいずれか一項に記載の締結装置。 The fastening device according to any one of claims 1 to 6 , wherein the first member to be fastened is formed by bending a plate-like member.
JP2015143954A 2015-07-21 2015-07-21 Fastening device Expired - Fee Related JP6512009B2 (en)

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