JP2012201199A - Vehicular door mirror - Google Patents

Vehicular door mirror Download PDF

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Publication number
JP2012201199A
JP2012201199A JP2011067044A JP2011067044A JP2012201199A JP 2012201199 A JP2012201199 A JP 2012201199A JP 2011067044 A JP2011067044 A JP 2011067044A JP 2011067044 A JP2011067044 A JP 2011067044A JP 2012201199 A JP2012201199 A JP 2012201199A
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Prior art keywords
shaft
door mirror
reinforcing member
synthetic resin
load
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Pending
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JP2011067044A
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Japanese (ja)
Inventor
Yuichi Hasegawa
雄一 長谷川
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Ichikoh Industries Ltd
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Ichikoh Industries Ltd
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Priority to JP2011067044A priority Critical patent/JP2012201199A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a vehicular door mirror with a synthetic resin shaft, capable of distributing a load when working on the root part of the shaft, to avoid the breakage thereof.SOLUTION: When external force works on a door mirror unit 3 to generate a moment on the shaft 2 in its falling direction, a load tends to be concentrated on the root part of the shaft 2. A metal reinforcing member 4 provided on the root part, however, distributes a falling load on the shaft 2 into a shaft part 2B at its upper end side and a holder part 2A in its planar direction to avoid the breakage of the root part of the shaft part 2B due to stress concentration.

Description

本発明は、車両用ドアミラーに関する。   The present invention relates to a vehicle door mirror.

特許文献１には、合成樹脂製のシャフトに対して、ドアミラーユニットを折り畳み格納位置と、展開使用位置とに回動可能に組付けた車両用ドアミラーが開示されている。   Patent Document 1 discloses a vehicle door mirror in which a door mirror unit is mounted on a synthetic resin shaft so that the door mirror unit is folded between a folding storage position and a deployed use position.

特開２００７−３８８９８号公報JP 2007-38898 A

特許文献１の開示技術では、シャフトはサイドドア側のドアミラーベース部材に立設固定されるが、特に展開使用位置でドアミラーユニットに外力が作用した場合などでは、合成樹脂製のシャフトに倒れ方向にモーメントが発生すると、該シャフトの根元部に負荷が集中して破損する可能性がある。   In the disclosed technique of Patent Document 1, the shaft is erected and fixed to the door mirror base member on the side door side. However, particularly when an external force is applied to the door mirror unit at the deployed use position, the shaft is inclined to the synthetic resin shaft. When the moment is generated, there is a possibility that the load concentrates on the root portion of the shaft and breaks.

そこで、本発明はシャフトの根元部に負荷が作用した場合でも、これを分散させて破損するのを回避することができる合成樹脂製のシャフトを備えた車両用ドアミラーを提供するものである。   Therefore, the present invention provides a vehicle door mirror including a synthetic resin shaft that can be dispersed and prevented from being damaged even when a load is applied to the base portion of the shaft.

本発明は、ドアサイドに固定されるドアミラーベース部材に立設固定した合成樹脂製のシャフトに、ドアミラーユニットを折り畳み格納位置と、展開使用位置とに回動可能に組付けた車両用ドアミラーであって、前記シャフトは、前記ドアミラーベース部材に固定するホルダー部と、該ホルダー部と一体成形したシャフト部と、を備え、前記シャフト部の根元部には、前記ホルダー部に亘って補強部材を備えていることを主要な特徴としている。   The present invention is a vehicle door mirror in which a door mirror unit is mounted on a synthetic resin shaft fixed upright on a door mirror base member fixed to a door side so that the door mirror unit can be folded to a retracted storage position and a deployed use position. The shaft includes a holder portion that is fixed to the door mirror base member, and a shaft portion that is integrally formed with the holder portion, and a root member of the shaft portion includes a reinforcing member across the holder portion. Is the main feature.

本発明によれば、シャフト部に倒れ方向にモーメントが発生すると、該シャフト部の根元部に負荷が集中する傾向となるが、この負荷は補強部材によってシャフト部の上端側およびホルダー部の面方向に分散される。この結果、シャフト部の根元部の応力集中による破損を回避することができる。   According to the present invention, when a moment is generated in the direction of the fall of the shaft portion, the load tends to concentrate on the root portion of the shaft portion. To be distributed. As a result, it is possible to avoid damage due to stress concentration at the root portion of the shaft portion.

本発明の一実施形態を示す略示的断面説明図。BRIEF DESCRIPTION OF THE DRAWINGS Schematic cross-sectional explanatory drawing which shows one Embodiment of this invention. 図１に示したシャフトを下側から見た斜視図。The perspective view which looked at the shaft shown in FIG. 1 from the lower side. 補強部材の配設構造の異なる例を示す断面図。Sectional drawing which shows the example from which the arrangement | positioning structure of a reinforcement member differs.

以下、本発明の一実施形態を図面と共に詳述する。   Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

図１に示す実施形態の車両用ドアミラーは、図外のドアサイド部に固定したドアミラーベース部材１と、該ドアミラーベース部材１上に立設固定したシャフト２と、該シャフト２に組付けたドアミラーユニット３と、を備えている。   The vehicle door mirror of the embodiment shown in FIG. 1 includes a door mirror base member 1 fixed to a door side portion (not shown), a shaft 2 erected and fixed on the door mirror base member 1, and a door mirror assembled to the shaft 2. And a unit 3.

ドアミラーユニット３は、シャフト２に対して、ミラー面がドアサイドに向く折り畳み格納位置と、該折り畳み格納位置からほぼ９０°位相を変えてミラー面が車両後方を向く展開使用位置と、に回動可能に組付けてある。   The door mirror unit 3 rotates with respect to the shaft 2 between a folding storage position in which the mirror surface faces the door side and a deployment use position in which the mirror surface faces the rear of the vehicle by changing the phase by approximately 90 ° from the folding storage position. It is assembled as possible.

図１に鎖線で示すドアミラーユニット３は、折り畳み格納位置から展開使用位置へ回動した状態を示している。   The door mirror unit 3 indicated by a chain line in FIG. 1 shows a state in which the door mirror unit 3 is rotated from the folding storage position to the unfolding use position.

ドアミラーユニット３が電動ミラーの場合、ドアミラーハウジングに内蔵した駆動機構とシャフト２とがクラッチ機構を介して接続される。また、手動ミラーの場合は、ドアミラーユニット３が回転節度機構を介してシャフト２に接続される。   When the door mirror unit 3 is an electric mirror, the drive mechanism built in the door mirror housing and the shaft 2 are connected via a clutch mechanism. In the case of a manual mirror, the door mirror unit 3 is connected to the shaft 2 via a rotation moderation mechanism.

シャフト２は、適宜の合成樹脂材をもって射出成形されている。   The shaft 2 is injection-molded with an appropriate synthetic resin material.

このシャフト２は、図２にも示すようにディスク状のホルダー部２Ａと、該ホルダー部２Ａと一体成形した円筒状のシャフト部２Ｂとを備えていて、このホルダー部２Ａをドアサイド部から側方に張り出したドアミラーベース部材１の上面に結合固定してある。   As shown in FIG. 2, the shaft 2 includes a disc-shaped holder portion 2A and a cylindrical shaft portion 2B formed integrally with the holder portion 2A. The holder portion 2A is located on the side from the door side portion. It is fixedly coupled to the upper surface of the door mirror base member 1 protruding in the direction.

シャフト２のシャフト部２Ｂの根元部には、ホルダー部２Ａに亘って補強部材４を設けてある。補強部材４は、金属製または高強度の合成樹脂製のものを選択的に使用可能である。   A reinforcing member 4 is provided at the base portion of the shaft portion 2B of the shaft 2 across the holder portion 2A. The reinforcing member 4 can be made of metal or high strength synthetic resin.

図１に示す例では、補強部材４は、例えば鋼板材をもって一端にフランジを有する円筒スリーブとしてプレス成形され、該フランジを下側としてホルダー部２Ａとシャフト部２Ｂの下端部内周に一体にインサートして射出成形してある。また、この他、この補強部材４は図３に示すように、ホルダー部２Ａの下面側からシャフト部２Ｂの筒状下端部内に圧入固定するようにしてもよい。   In the example shown in FIG. 1, the reinforcing member 4 is press-molded as a cylindrical sleeve having a flange at one end with a steel plate material, for example, and is inserted integrally into the inner periphery of the lower ends of the holder portion 2A and the shaft portion 2B with the flange as the lower side. And injection molded. In addition, as shown in FIG. 3, the reinforcing member 4 may be press-fitted and fixed in the cylindrical lower end portion of the shaft portion 2B from the lower surface side of the holder portion 2A.

以上の構成からなる本実施形態の車両用ドアミラーによれば、特に展開使用位置でドアミラーユニット３に外力が作用した場合などでは、シャフト２に倒れ方向にモーメントが発生すると、該シャフト２の根元部に負荷が集中する傾向となる。   According to the vehicle door mirror of the present embodiment having the above-described configuration, when an external force is applied to the door mirror unit 3 particularly at the deployed use position, when a moment is generated in the shaft 2 in the falling direction, the root portion of the shaft 2 is generated. The load tends to concentrate.

このとき、シャフト２に作用する倒れ荷重は金属製の補強部材４によって、シャフト部２Ｂの上端側およびホルダー部２Ａの面方向に分散される。この結果、シャフト部２Ｂの根元部の応力集中による破損を回避することができて、品質感および信頼性を高めることができる。   At this time, the falling load acting on the shaft 2 is dispersed by the metal reinforcing member 4 in the upper end side of the shaft portion 2B and the surface direction of the holder portion 2A. As a result, damage due to stress concentration at the root of the shaft portion 2B can be avoided, and the quality and reliability can be improved.

なお、前記実施形態では補強部材４を、一端にフランジを有する円筒スリーブとして形成したものを用いているが、フランジの無い単純円筒形のものであってもよい。   In the above embodiment, the reinforcing member 4 is formed as a cylindrical sleeve having a flange at one end. However, a simple cylindrical shape without a flange may be used.

また、シャフト２は射出成形して得られるため、補強部材４をホルダー部２Ａとシャフト部２Ｂとの連設部分で肉厚内にインサートして配設することも可能である。   Further, since the shaft 2 is obtained by injection molding, the reinforcing member 4 can be inserted and disposed in the wall thickness at the connecting portion of the holder portion 2A and the shaft portion 2B.

１…ドアミラーベース
２…シャフト
２Ａ…ホルダー部
２Ｂ…シャフト部
３…ドアミラーユニット
４…補強部材 DESCRIPTION OF SYMBOLS 1 ... Door mirror base 2 ... Shaft 2A ... Holder part 2B ... Shaft part 3 ... Door mirror unit 4 ... Reinforcement member

Claims (2)

ドアサイドに固定されるドアミラーベース部材に立設固定した合成樹脂製のシャフトに、ドアミラーユニットを折り畳み格納位置と、展開使用位置とに回動可能に組付けた車両用ドアミラーであって、
前記シャフトは、前記ドアミラーベース部材に固定するホルダー部と、該ホルダー部と一体成形したシャフト部と、を備え、
前記シャフト部の根元部には、前記ホルダー部に亘って補強部材を備えていることを特徴とする車両用ドアミラー。 A door mirror for a vehicle in which a door mirror unit is folded on a synthetic resin shaft fixed upright on a door mirror base member fixed to a door side, and is folded to a retracted storage position and an unfolded use position.
The shaft includes a holder portion fixed to the door mirror base member, and a shaft portion formed integrally with the holder portion,
The vehicle door mirror according to claim 1, wherein a reinforcing member is provided at a base portion of the shaft portion over the holder portion. 前記補強部材が、金属製または高強度の合成樹脂製であることを特徴とする請求項１に記載の車両用ドアミラー。   The vehicle door mirror according to claim 1, wherein the reinforcing member is made of metal or high-strength synthetic resin.
JP2011067044A 2011-03-25 2011-03-25 Vehicular door mirror Pending JP2012201199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011067044A JP2012201199A (en) 2011-03-25 2011-03-25 Vehicular door mirror

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JP2011067044A JP2012201199A (en) 2011-03-25 2011-03-25 Vehicular door mirror

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016117388A1 (en) * 2015-01-23 2016-07-28 株式会社ホンダロック Vehicle door mirror

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011042211A (en) * 2009-08-20 2011-03-03 Sakae Riken Kogyo Co Ltd Door mirror device
JP2011042210A (en) * 2009-08-20 2011-03-03 Sakae Riken Kogyo Co Ltd Door mirror device
JP2011042209A (en) * 2009-08-20 2011-03-03 Sakae Riken Kogyo Co Ltd Door mirror device and method for molding shaft thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011042211A (en) * 2009-08-20 2011-03-03 Sakae Riken Kogyo Co Ltd Door mirror device
JP2011042210A (en) * 2009-08-20 2011-03-03 Sakae Riken Kogyo Co Ltd Door mirror device
JP2011042209A (en) * 2009-08-20 2011-03-03 Sakae Riken Kogyo Co Ltd Door mirror device and method for molding shaft thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016117388A1 (en) * 2015-01-23 2016-07-28 株式会社ホンダロック Vehicle door mirror
JP2016135622A (en) * 2015-01-23 2016-07-28 株式会社ホンダロック Door mirror for vehicle
CN107107828A (en) * 2015-01-23 2017-08-29 本田制锁有限公司 Vehicular door rear mirror
US10730438B2 (en) 2015-01-23 2020-08-04 Kabushiki Kaisha Honda Lock Vehicle door mirror including vibration suppressing support

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