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JP4356990B2 - Electric mirror for vehicle - Google Patents
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JP4356990B2 - Electric mirror for vehicle - Google Patents

Electric mirror for vehicle Download PDF

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JP4356990B2
JP4356990B2 JP2004247775A JP2004247775A JP4356990B2 JP 4356990 B2 JP4356990 B2 JP 4356990B2 JP 2004247775 A JP2004247775 A JP 2004247775A JP 2004247775 A JP2004247775 A JP 2004247775A JP 4356990 B2 JP4356990 B2 JP 4356990B2
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shaft
washer
mirror
outer diameter
fastening nut
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JP2006062534A (en
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田 徹 也 砂
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UD Trucks Corp
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UD Trucks Corp
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Description

本発明は、車両用電動ミラーに関し、特にアウトサイド用の車両用電動ミラーに関する。   The present invention relates to a vehicular electric mirror, and more particularly to an outside vehicular electric mirror.

近年、安全運転のために運転者の外部視界を広くする傾向が強まり、とくに室内から外部をみるインサイドミラーからの視界情報の少ない大型トラックやバスでは、アウトサイドミラーの大型化の傾向がある。   In recent years, there has been a tendency to increase the driver's external field of view for safe driving. In particular, large-sized trucks and buses with little visibility information from the inside mirror viewing the outside from the inside tend to increase the size of the outside mirror.

本発明にかかわる車両用電動ミラーは、上記のような車種に使用されることの多いミラーであって、図8に左アウトサイドミラーを例示するように、トラックのキャビン2の前方、上部に運転席から見やすい位置に取付けられている。   The electric mirror for a vehicle according to the present invention is a mirror that is often used in the above-described vehicle types, and is driven in front of and above the cabin 2 of the truck as illustrated in FIG. 8 as a left outside mirror. It is installed in a position that is easy to see from the seat.

側方視界を主体とするミラー10と車両直前の下方の地上視界を主体とするアンダーミラー9とが上部のミラーアーム8と下部の下部のミラーアーム7によって水平方向に回動可能に取付けられている。   A mirror 10 mainly composed of a side field of view and an under mirror 9 mainly composed of a lower ground field just before the vehicle are attached to an upper mirror arm 8 and a lower mirror arm 7 so as to be horizontally rotatable. Yes.

図9は、ミラー10、9を支持する部分を俯瞰する図を示している。
キャビン2の前方に突出したカバー3に鉛直方向に取付けられたシャフト32にミラーアーム8がワッシャー22Aを介した締結用ナット20によって回動可能に取付けられている。符号7Aは下部のミラーアーム7を回動可能に支持するアームに連結する補助アームである。
FIG. 9 shows an overhead view of a portion that supports the mirrors 10 and 9.
A mirror arm 8 is rotatably attached to a shaft 32 attached in a vertical direction to a cover 3 protruding forward of the cabin 2 by a fastening nut 20 via a washer 22A. Reference numeral 7A denotes an auxiliary arm that is connected to an arm that rotatably supports the lower mirror arm 7.

図10は、図9のミラーアーム8の従来の取付部の模式的な詳細側断面図である。
キャビン2に連結されているカバー3と、電動装置収納体4によって格納プレート15が格納可能に支持され、格納プレート15にシャフト32が垂直に取付けられかつ水平方向に回動可能に取り付けられている。
FIG. 10 is a schematic detailed side sectional view of a conventional mounting portion of the mirror arm 8 of FIG.
The storage plate 15 is supported by the cover 3 connected to the cabin 2 and the electric device housing 4 so as to be retractable, and the shaft 32 is vertically attached to the storage plate 15 and rotatably attached to the horizontal direction. .

格納プレート15の上部にミラーアーム8の端部がワッシャー22Aを介した締結用ナット20によって緊締されている。
シャフト32は、シャフト主部34が電動モータ5と動力伝達機構5Aによって、運転者のリモート操作で回動されるように構成されている。
The end of the mirror arm 8 is fastened to the upper portion of the storage plate 15 by a fastening nut 20 via a washer 22A.
The shaft 32 is configured such that the shaft main portion 34 is rotated by the driver's remote operation by the electric motor 5 and the power transmission mechanism 5A.

そして、通常は運転者が自分のアイポイントに合うようにミラー位置の調整をしている。
しかしながら、運転席からのリモート調整では微調整が思うようにならないときは、車外に出て、ミラー10を手動で調整することがままある。この場合はミラーアーム8とともに図11に示す通常の不錆ワッシャー22Aが、つれ回りしてナット20を緩め側に回すことがある。とくに微調整ではミラーアーム8を左右に回すことが多いのでこの機会が多い。
Normally, the driver adjusts the mirror position so that it matches his eye point.
However, when the fine adjustment cannot be realized by the remote adjustment from the driver's seat, the user goes out of the vehicle and manually adjusts the mirror 10. In this case, the normal non-rust washer 22A shown in FIG. 11 together with the mirror arm 8 may rotate around and turn the nut 20 to the loose side. In particular, there are many opportunities for fine adjustment because the mirror arm 8 is often turned left and right.

そして、一旦僅かな緩みが生ずると車両走行時にミラー10が微小振動して視界がぶれることになる。また、微小振動が緩みを増大させることにもなる。   Once slight slack occurs, the mirror 10 vibrates slightly when the vehicle travels, and the field of view is blurred. Micro vibrations also increase slack.

ミラー10は上記の手動のほかに街路樹、街路灯等への接触によっても回動することがあり、時によっては走行振動だけによるワッシャー22Aとナット20間の緩みもある。その結果は何れもミラー振動となって良好な視界保持を妨げることになる。   In addition to the manual operation described above, the mirror 10 may be rotated by contact with street trees, street lamps, and the like. In some cases, there is also a loosening between the washer 22A and the nut 20 due to traveling vibration alone. As a result, all of them become mirror vibrations and prevent good visibility maintenance.

このようなワッシャーの緩みに対処できる車両用電動ミラーが求められているが、現状では、未だに提案されていない。   There is a need for an electric mirror for a vehicle that can cope with such looseness of the washer, but it has not been proposed yet.

その他の従来技術としては、例えば、ミラー板を急速変角させる角度調整装置をコンパクトに構成することが出来る電動ミラー装置が提供されている(例えば、特許文献1参照)。
しかし、その様な電動ミラー装置は、上述したワッシャーの緩みに対処することは出来ない。
特開2003−2118号公報
As another conventional technique, for example, an electric mirror device capable of compactly configuring an angle adjusting device that rapidly changes a mirror plate is provided (see, for example, Patent Document 1).
However, such an electric mirror device cannot cope with the above-described loosening of the washer.
Japanese Patent Laid-Open No. 2003-2118

本発明は上述した従来技術の問題点に鑑みて提案されたものであり、ミラーを締結支持する締結用ナットの締結緩みによる視界ぶれがない車両用電動ミラーの提供を目的としている。   The present invention has been proposed in view of the above-described problems of the prior art, and an object thereof is to provide an electric mirror for a vehicle that is free from blurring due to loosening of a fastening nut that fastens and supports the mirror.

また本発明によれば、車両のキャビン2の前方のカバー3に鉛直方向に取付けられたシャフト12にミラーアーム8が締結用ナット20によって回動可能に取付けられ、そのシャフト12のシャフト主要部36が電動装置収納体4に内蔵した電動モータ5に動力伝達機構5Aを介して連結され、シャフト12に取付けた格納プレート15が前記電動装置収納体4によって格納可能に支持されている車両用電動ミラーにおいて、前記シャフト12は円柱状のシャフト主要部36と嵌合部13と螺着部14とで一体に構成され、前記嵌合部13はその外径Dがシャフト主要部36との外径と同径であり、その外径Dの一部が軸心を挟んだ幅Bの並行線で切欠き13aが形成され、その幅Bは前記嵌合部13の上端部13bに連結された螺着部14のねじ14aの外径より僅かに大寸であり、前記格納プレート15と締結用ナット20との間にミラーアーム8がシャフト主要部36と切欠き13aとに嵌合されており、そのミラーアーム8と締結用ナット20との間に第1、第2および第3のワッシャー22、23、24が挿入され、第1のワッシャー22は内部に内径D1の円弧22aと中心を挟んで平行な直線22bとでシャフト12の切欠き13aに対応して遊嵌めとなる貫通孔22hを形成し、第2のワッシャー23は第1のワッシャー22の上に設けられ内部が第1のワッシャー22の内径D1より僅かに大きい内径D2に形成され、外径D3は第1のワッシャー22の外径より小径に形成され、第3のワッシャー24は第2のワッシャー23)の上に設けられ、締結用ナット20の底面20aと嵌合部13の上端部13bとの間に公差があってもミラーアーム8を緊締できる領域δが形成されている。   Further, according to the present invention, the mirror arm 8 is rotatably attached to the shaft 12 attached in the vertical direction to the cover 3 in front of the cabin 2 of the vehicle by the fastening nut 20, and the main shaft portion 36 of the shaft 12 is provided. Is connected to an electric motor 5 incorporated in the electric device housing 4 via a power transmission mechanism 5A, and a storage plate 15 attached to the shaft 12 is supported by the electric device housing 4 so as to be retractable. The shaft 12 is integrally formed of a columnar shaft main portion 36, a fitting portion 13 and a screwing portion 14, and the fitting portion 13 has an outer diameter D that is equal to the outer diameter of the shaft main portion 36. A notch 13a is formed by a parallel line of a width B with the same diameter and a part of the outer diameter D sandwiching the shaft center, and the width B is a screw connection connected to the upper end portion 13b of the fitting portion 13. Part 14 The mirror arm 8 is slightly larger than the outer diameter of the screw 14a, and the mirror arm 8 is fitted in the shaft main portion 36 and the notch 13a between the storage plate 15 and the fastening nut 20, and the mirror arm 8 The first, second and third washers 22, 23, 24 are inserted between the nut 20 and the fastening nut 20. The first washer 22 has a straight line 22b parallel to the arc 22a of the inner diameter D1 and the center. And a through hole 22h that is loosely fitted to correspond to the notch 13a of the shaft 12, and the second washer 23 is provided on the first washer 22, and the inside is formed from the inner diameter D1 of the first washer 22. A slightly larger inner diameter D2 is formed, the outer diameter D3 is formed smaller than the outer diameter of the first washer 22, and the third washer 24 is provided on the second washer 23). Region mirror arms 8 even with tolerances able tightening between the upper end portion 13b of the bottom surface 20a and the fitting portion 13 of 0 [delta] is formed.

このように本発明によれば、格別な部品がないので、製造コストの上昇がほとんどなく、シャフトその他の製造公差や組み付け公差を吸収することが容易である。そして製造公差や組み付け公差を予め吸収することで、組み付け時の緩みあるいは干渉が予防できる。
また、カラー34を用いると公差を格別に配慮しなくてもよく、組み付けが容易で、部品点数が少なくなる。
As described above, according to the present invention, since there are no special parts, there is almost no increase in manufacturing cost, and it is easy to absorb shaft and other manufacturing tolerances and assembly tolerances. And, by absorbing manufacturing tolerances and assembly tolerances in advance, loosening or interference during assembly can be prevented.
Further, when the collar 34 is used, it is not necessary to consider the tolerance, the assembly is easy, and the number of parts is reduced.

上述した様な構成を具備する本発明によれば、
(a) ワッシャーがシャフトとともに回転するように構成されているので(請求項1)、ワッシャーとシャフトとの相対的な回転を不可能にしていてナットの緩み発生がなく、ミラー振動と視界不良が起こらない利点がある。
According to the present invention having the configuration as described above,
(A) Since the washer is configured to rotate together with the shaft (Claim 1), the relative rotation between the washer and the shaft is impossible, the occurrence of loosening of the nut does not occur, mirror vibration and poor visibility. There is an advantage that does not happen.

(b) また、緩み止め手段をワッシャーにすれば(請求項2)、格別な部品でないので、製造コスト上昇がほとんどない利点がある。   (B) Further, if the locking means is a washer (Claim 2), there is an advantage that there is almost no increase in manufacturing cost because it is not a special part.

(c) ワッシャーを複数枚積層してミラーアームと締結用ナットとの間の領域に介装すれば(請求項3)、シャフトその他の製造公差や組み付け公差を吸収することが容易となる利点がある。   (C) If a plurality of washers are stacked and interposed in the region between the mirror arm and the fastening nut (Claim 3), there is an advantage that it becomes easy to absorb shaft and other manufacturing tolerances and assembly tolerances. is there.

(d) 複数枚積層された前記ワッシャは、シャフト軸線方向の公差を吸収するための領域を設ければ(請求項4)、製造公差や組み付け公差を予め吸収することができて、組み付け時の緩みあるいは干渉が予防できる利点がある。   (D) If the washers stacked in a plurality are provided with a region for absorbing the tolerance in the axial direction of the shaft (Claim 4), the manufacturing tolerance and the assembly tolerance can be absorbed in advance. There is an advantage that loosening or interference can be prevented.

(e) 緩み止め手段をミラーアームと締結用ナットとの間の領域に介装するカラーにすれば(請求項5)、前記の公差を格別に配慮することが不要となり、組み付けが容易になり、かつ部品点数が少なくなる利点がある。   (E) If the locking means is a collar that is interposed in the region between the mirror arm and the fastening nut (Claim 5), it is not necessary to consider the above-mentioned tolerances, and assembling becomes easy. And there is an advantage that the number of parts is reduced.

以下、添付図面を参照して、本発明の実施形態について説明する。
図1は本発明の車両用電動ミラーの回転機構の主要部を示す断面図である。
Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a cross-sectional view showing the main part of the rotating mechanism of the electric mirror for vehicles according to the present invention.

図1において、キャビン2に連結されているカバー3と、電動装置収納体4によって格納プレート15が格納可能に支持されている。
電動装置収納体4は明示しない電源に結線された電動モータ5と動力伝達機構5Aを内蔵している。
格納プレート15にシャフト32が垂直に取付けられ、かつ水平方向に回動可能に取り付けられている。
In FIG. 1, a storage plate 15 is supported so as to be retractable by a cover 3 connected to a cabin 2 and an electric device storage body 4.
The electric device housing 4 includes an electric motor 5 and a power transmission mechanism 5A that are connected to a power source that is not explicitly shown.
A shaft 32 is vertically attached to the storage plate 15 and is rotatably attached in the horizontal direction.

格納プレート15の上部にミラーアーム8の端部が複数で構成されるワッシャー22Aを介した締結用ナット20によって緊締されている。
シャフト12は、シャフト主部36が動力伝達機構5Aを介した電動モータ5に連結され、運転者のリモート操作で回動されるように構成されている。
A plurality of end portions of the mirror arm 8 are fastened to the upper portion of the storage plate 15 by a fastening nut 20 via a washer 22A constituted by a plurality.
The shaft 12 is configured such that the shaft main portion 36 is connected to the electric motor 5 via the power transmission mechanism 5A and is rotated by a driver's remote operation.

シャフト12は、図2〜図4を参照して、円柱状のシャフト主部36と、嵌合部13と、ねじ14aが形成された螺着部14、とで一体に構成されている。   2 to 4, the shaft 12 is configured integrally with a cylindrical shaft main portion 36, a fitting portion 13, and a screwing portion 14 in which a screw 14 a is formed.

嵌合部13は、図2のA矢視を示す図3と、X−X断面を示す図4とを参照して、外径Dがシャフト主部36の外径と同径であり、その外径Dの1部が軸心を挟んだ幅Bの並行線とで切り欠き13aが形成されている。幅Bは螺着部14のねじ14aの外径より僅かに大寸に形成されている。   The fitting portion 13 has an outer diameter D that is the same as the outer diameter of the shaft main portion 36 with reference to FIG. 3 showing an arrow A in FIG. 2 and FIG. 4 showing an XX cross section. A notch 13a is formed by a parallel line having a width B with a part of the outer diameter D sandwiching the axis. The width B is formed slightly larger than the outer diameter of the screw 14a of the screwing portion 14.

螺着部14は嵌合部13の上端部13bに連結され、前述のように、切り欠き13aの幅Bより僅かに大きく、締結用ナット20と螺合するねじ諸元が形成されている。   The screwing portion 14 is connected to the upper end portion 13b of the fitting portion 13, and as described above, a screw specification that is slightly larger than the width B of the notch 13a and screwed into the fastening nut 20 is formed.

締結用ナット20は、図1に例示のものは下部が広がる袋ナット状に形成されてワッシャーとの接面を広げた形状にしている。しかし、締結上の問題がなくかつ、美観を特に問題にしなければ、通常の不錆ナットでもよい。   The fastening nut 20 illustrated in FIG. 1 is formed in a cap nut shape in which the lower portion is widened, and has a shape in which the contact surface with the washer is widened. However, a normal rust nut may be used as long as there is no problem in fastening and aesthetics are not particularly problematic.

格納プレート15と締結用ナット20との間に、ワッシャー22Aを介してミラーアーム8がシャフト主部36に挿通され嵌合部13の切り欠き13aに嵌合されている。
すなわちミラーアーム8と締結用ナット20の間にワッシャー22Aを構成する第1、第2及び第3のワッシャー22、23及び24が挿入されている。
Between the storage plate 15 and the fastening nut 20, the mirror arm 8 is inserted into the shaft main portion 36 via the washer 22 </ b> A and is fitted into the notch 13 a of the fitting portion 13.
That is, the first, second and third washers 22, 23 and 24 constituting the washer 22A are inserted between the mirror arm 8 and the fastening nut 20.

図5は第1のワッシャー22を示していて、外径は前記従来のワッシャー22Aと同径であり、内部が相対する内径D1の円弧22aと中心を挟んで平行な直線22bとで貫通孔22hが形成されている。貫通孔22hはシャフト12の切り欠き13aに対応して遊嵌めとなるように形成されている。   FIG. 5 shows the first washer 22, the outer diameter of which is the same as that of the conventional washer 22A, and the through hole 22h is formed by an arc 22a having an inner diameter D1 facing the inside and a straight line 22b parallel to the center. Is formed. The through hole 22h is formed so as to be loosely fitted corresponding to the notch 13a of the shaft 12.

図6は第2のワッシャー23を示していて、内部が第1のワッシャー22の内径D1より僅かに大きな内径D2に形成され、外径D3は第1のワッシャー22の外径より小径に形成されてスペーサー機能を果たすように形成されている。   FIG. 6 shows the second washer 23, the inside of which is formed to have an inner diameter D2 slightly larger than the inner diameter D1 of the first washer 22, and the outer diameter D3 is formed to be smaller than the outer diameter of the first washer 22. It is formed to fulfill the spacer function.

第3のワッシャー24は、前記従来の不錆ワッシャー22Aと同寸である。
図1に戻って、第1のワッシャー22はシャフト12の嵌合部13に嵌合され、その上部に第2のワッシャー23が嵌合部13に遊嵌めされ、第2のワッシャー23の上に第3のワッシャー24が配置されている。
The third washer 24 is the same size as the conventional non-rust washer 22A.
Returning to FIG. 1, the first washer 22 is fitted to the fitting portion 13 of the shaft 12, and the second washer 23 is loosely fitted to the fitting portion 13 on the upper portion thereof, and is placed on the second washer 23. A third washer 24 is arranged.

この配置構成によって、締結用ナット20の底面20aと嵌合部13の上端部13bとの間に領域δが形成されていて、シャフト12の軸長寸法の製作公差あるいは組み付け公差の限界幅にあっても締結用ナット20が確実にミラーアーム8を緊締できるように構成されている。   With this arrangement configuration, a region δ is formed between the bottom surface 20a of the fastening nut 20 and the upper end portion 13b of the fitting portion 13, and the manufacturing tolerance or assembly tolerance of the axial length of the shaft 12 is met. Even in this case, the fastening nut 20 is configured so that the mirror arm 8 can be securely fastened.

例えばこの領域δがマイナスであれば、締結用ナット20の下面20aが嵌合部13の上端部13bに当たってミラーアーム8の確実な緊締は困難となり、ミラーアーム8の振動、ぶれの発生が避けられない。   For example, if the region δ is negative, the lower surface 20a of the fastening nut 20 hits the upper end portion 13b of the fitting portion 13 and it becomes difficult to securely tighten the mirror arm 8, and vibration and shaking of the mirror arm 8 can be avoided. Absent.

上記の構成、とくにシャフト12と第1のワッシャー22との嵌着による緩み止め手段によって、ミラーアーム8が電動駆動でない手動等の強制回転によっても、シャフト12と第1のワッシャー22との間に相対回転が不可能で締結用ナット20の緩みは生じない。したがって、締結用ナット20の緩みが原因のアウトサイドミラー10の振動や視界ぶれが発生しない。   Even if the mirror arm 8 is forcedly rotated by manual operation or the like that is not electrically driven by the above-described configuration, in particular, by means of loosening prevention by fitting the shaft 12 and the first washer 22, the shaft 12 and the first washer 22 are interposed between them. The relative rotation is impossible and the fastening nut 20 does not loosen. Therefore, vibration of the outside mirror 10 and blurring of the view caused by loosening of the fastening nut 20 do not occur.

図1の実施例では複数のワッシャー22Aで構成したシャフト12軸線方向の緩みのないものであるが、図7はシャフト12軸線方向の公差δを吸収する機能を持たせた一体形のカラー34の例である。厚さ方向以外の形状、諸元は図5に示した第1のワッシャー22と同じである。
シャフト12の軸方向の公差、ミラーアームの公差、あるいはワッシャー自体の公差を勘案する手間がなく、間違いのない組み付けが可能である。
In the embodiment shown in FIG. 1, the shaft 12 is not loosened in the axial direction of the shaft constituted by a plurality of washers 22A, but FIG. 7 shows an integral collar 34 having a function of absorbing the tolerance δ in the axial direction of the shaft 12. It is an example. The shape and specifications other than the thickness direction are the same as those of the first washer 22 shown in FIG.
There is no need to take into account the axial tolerance of the shaft 12, the tolerance of the mirror arm, or the washer itself, and assembly without error is possible.

上記で説明した電動ミラーは、助手席側のアウトサイドミラーの例示であるが、右側のアウトサイドミラーにも適用できる。また、振動を伴う場所例えば工場内のミラーや路端のミラー等の取付緩みのでるものへの適用も可能であって、この技術は例示の車両用電動ミラーに限定されるものではない。   The electric mirror described above is an example of an outside mirror on the passenger seat side, but can also be applied to a right outside mirror. Further, the present invention can be applied to places with vibration such as a mirror in a factory or a mirror at a road end, and this technique is not limited to the illustrated vehicle electric mirror.

本発明の車両用電動ミラーの主要部を示す構成断面図。FIG. 3 is a structural cross-sectional view showing the main part of the electric mirror for vehicles of the present invention. 図1のシャフトの側面図。The side view of the shaft of FIG. 図2のA矢視上面図。FIG. 図2のX−X断面図。XX sectional drawing of FIG. 第1のワッシャーの平面図。The top view of a 1st washer. 第2のワッシャーの平面図。The top view of a 2nd washer. 別形態の厚ワッシャーの斜視図。The perspective view of the thick washer of another form. 本発明の車両用電動ミラーが装着される部位を示す図。The figure which shows the site | part by which the electric mirror for vehicles of this invention is mounted | worn. 図8のミラーアーム取付部の拡大俯瞰図。FIG. 9 is an enlarged overhead view of the mirror arm attachment portion of FIG. 8. ミラーアーム取付部の詳細側断面図。The detailed sectional side view of a mirror arm attaching part. 従来のワッシャーを示す平面図。The top view which shows the conventional washer.

符号の説明Explanation of symbols

2・・・キャビン
3・・・カバー
4・・・電動装置収納体
5・・・電動モータ
5A・・・動力伝達機構
7A・・・補助アーム
8・・・ミラーアーム
9・・・アンダーミラー
10・・・(サイド)ミラー
12・・・シャフト
13・・・嵌合部
13a・・・切り欠き
13b・・・上端部
14・・・螺着部
14a・・・外ねじ
15・・・格納プレート
22・・・第1のワッシャー
22h・・・貫通穴
23・・・第2のワッシャー
24・・・第3のワッシャー
34・・・カラー(別形態のワッシャー)
36・・・シャフト主部
DESCRIPTION OF SYMBOLS 2 ... Cabin 3 ... Cover 4 ... Electric equipment storage body 5 ... Electric motor 5A ... Power transmission mechanism 7A ... Auxiliary arm 8 ... Mirror arm 9 ... Under mirror 10 ... (Side) mirror 12 ... Shaft 13 ... Fitting part 13a ... Notch 13b ... Upper end part 14 ... Screwing part 14a ... External screw 15 ... Storage plate 22 ... 1st washer 22h ... Through hole 23 ... 2nd washer 24 ... 3rd washer 34 ... Color (another form of washer)
36 ... Shaft main part

Claims (1)

車両のキャビン(2)の前方のカバー(3)に鉛直方向に取付けられたシャフト(12)にミラーアーム(8)が締結用ナット(20)によって回動可能に取付けられ、そのシャフト(12)のシャフト主要部(36)が電動装置収納体(4)に内蔵した電動モータ(5)に動力伝達機構(5A)を介して連結され、シャフト(12)に取付けた格納プレート(15)が前記電動装置収納体(4)によって格納可能に支持されている車両用電動ミラーにおいて、前記シャフト(12)は円柱状のシャフト主要部(36)と嵌合部(13)と螺着部(14)とで一体に構成され、前記嵌合部(13)はその外径(D)がシャフト主要部(36)との外径と同径であり、その外径(D)の一部が軸心を挟んだ幅(B)の並行線で切欠き(13a)が形成され、その幅(B)は前記嵌合部(13)の上端部(13b)に連結された螺着部(14)のねじ(14a)の外径より僅かに大寸であり、前記格納プレート(15)と締結用ナット(20)との間にミラーアーム(8)がシャフト主要部(36)と切欠き(13a)とに嵌合されており、そのミラーアーム(8)と締結用ナット(20)との間に第1、第2および第3のワッシャー(22、23、24)が挿入され、第1のワッシャー(22)は内部に内径(D1)の円弧(22a)と中心を挟んで平行な直線(22b)とでシャフト(12)の切欠き(13a)に対応して遊嵌めとなる貫通孔(22h)を形成し、第2のワッシャー(23)は第1のワッシャー(22)の上に設けられ内部が第1のワッシャー(22)の内径(D1)より僅かに大きい内径(D2)に形成され、外径(D3)は第1のワッシャー(22)の外径より小径に形成され、第3のワッシャー(24)は第2のワッシャー(23)の上に設けられ、締結用ナット(20)の底面(20a)と嵌合部(13)の上端部(13b)との間に公差があってもミラーアーム(8)を緊締できる領域(δ)が形成されていることを特徴とする車両用電動ミラー。 A mirror arm (8) is rotatably attached to a shaft (12) vertically attached to a cover (3) in front of a vehicle cabin (2) by a fastening nut (20), and the shaft (12). The main shaft portion (36) of the motor is connected to the electric motor (5) incorporated in the electric device housing (4) via the power transmission mechanism (5A), and the storage plate (15) attached to the shaft (12) is In the vehicular electric mirror supported by the electric device housing (4) so as to be retractable, the shaft (12) includes a cylindrical shaft main portion (36), a fitting portion (13), and a screwed portion (14). The fitting portion (13) has an outer diameter (D) that is the same as the outer diameter of the main shaft portion (36), and a part of the outer diameter (D) is a shaft center. Notch (13a) with parallel line of width (B) across The width (B) formed is slightly larger than the outer diameter of the screw (14a) of the threaded portion (14) connected to the upper end (13b) of the fitting portion (13), and the storage Between the plate (15) and the fastening nut (20), the mirror arm (8) is fitted into the shaft main part (36) and the notch (13a), and the mirror arm (8) and the fastening nut are fastened. First, second and third washers (22, 23, 24) are inserted between the nut (20), and the first washer (22) is centered inside the arc (22a) of the inner diameter (D1). A through hole (22h) that is loosely fitted to the notch (13a) of the shaft (12) is formed by a parallel straight line (22b) across the shaft, and the second washer (23) is the first washer. (22) is provided on the inner diameter of the first washer (22) (D ) Having a slightly larger inner diameter (D2), an outer diameter (D3) smaller than the outer diameter of the first washer (22), and a third washer (24) being a second washer (23). The region (δ) in which the mirror arm (8) can be tightened even if there is a tolerance between the bottom surface (20a) of the fastening nut (20) and the upper end (13b) of the fitting portion (13). ) Is formed. The electric mirror for vehicles characterized by the above-mentioned.
JP2004247775A 2004-08-27 2004-08-27 Electric mirror for vehicle Expired - Fee Related JP4356990B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004247775A JP4356990B2 (en) 2004-08-27 2004-08-27 Electric mirror for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004247775A JP4356990B2 (en) 2004-08-27 2004-08-27 Electric mirror for vehicle

Publications (2)

Publication Number Publication Date
JP2006062534A JP2006062534A (en) 2006-03-09
JP4356990B2 true JP4356990B2 (en) 2009-11-04

Family

ID=36109384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004247775A Expired - Fee Related JP4356990B2 (en) 2004-08-27 2004-08-27 Electric mirror for vehicle

Country Status (1)

Country Link
JP (1) JP4356990B2 (en)

Also Published As

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