JP2006220575A - Mounting structure for rotation transmitter - Google Patents

Mounting structure for rotation transmitter Download PDF

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JP2006220575A
JP2006220575A JP2005035390A JP2005035390A JP2006220575A JP 2006220575 A JP2006220575 A JP 2006220575A JP 2005035390 A JP2005035390 A JP 2005035390A JP 2005035390 A JP2005035390 A JP 2005035390A JP 2006220575 A JP2006220575 A JP 2006220575A
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rotation
front wheel
mounting
transmission piece
state
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JP4622567B2 (en
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Masaru Iwahashi
優 岩橋
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Nippon Seiki Co Ltd
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Nippon Seiki Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure for a rotation transmitter to enhance productivity while dispensing with mounting/correcting work for the rotation transmitter. <P>SOLUTION: This mounting structure for a rotation transmitter is equipped with inclination surfaces, which are proper state returning parts, on respective parts that make contact when protrusion parts 10c and transmission piece parts 5c overlap with each other, so that rotary piece parts 5c are disposed at proper positions of mounting parts 10b by moving the piece parts 5c in one direction of normal and reverse rotation directions of a body 5 under detection when together fastening a rotation detector A between a front wheel 10 and a front fork with the protrusion parts 10c and the piece parts 5c overlapping with each other, if the mounting state of a hub 10a on the mounting part 10b is in an improper state. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、例えばオートバイまたは自転車等の2輪車用の回転伝達装置の取り付け構造に関するものである。   The present invention relates to a structure for mounting a rotation transmission device for a motorcycle such as a motorcycle or a bicycle.

従来の回転検出装置(回転伝達部材)としては、特許文献1に開示されるものがあり、この回転検出装置は、被検出体を検出するための検出面を有する略円筒形状の樹脂ケースに、回路基板に実装したホールIC等からなる磁気検出素子と、マグネットとが、前記検出面に沿うように配設され、前記回路基板及び前記磁気検出素子,前記マグネットをエポキシ等からなる封止部材により封止する構造が採用されている。この回転検出装置を、2輪車用(例えば、オートバイ)の回転検出装置として用いる場合は、回転検出装置を車両のミッションケースやスプロケットカバー等に取り付け、その内部で回転するミッションギアやスプロケット等を被検出体として検出することが一般的である。   As a conventional rotation detection device (rotation transmission member), there is one disclosed in Patent Document 1, and this rotation detection device is provided in a substantially cylindrical resin case having a detection surface for detecting a detected object. A magnetic detection element made of a Hall IC or the like mounted on a circuit board and a magnet are arranged along the detection surface, and the circuit board, the magnetic detection element, and the magnet are sealed by a sealing member made of epoxy or the like. A sealing structure is employed. When this rotation detection device is used as a rotation detection device for a two-wheeled vehicle (for example, a motorcycle), the rotation detection device is attached to a vehicle mission case, a sprocket cover, etc. It is common to detect as an object to be detected.

このような回転検出装置を用いて、ミッションギアやスプロケット等を被検出体として検出する場合、前記被検出体には多少のクリアランスが存在するため、車両(2輪車)のボディ剛性や排気量等から前記被検出体に振動が生じ、前記被検出体と前記回転検出装置との検出位置ギャップが変動してしまうことから、前記回転検出装置に磁気の変化が生じ検出ノイズとなり、この回転検出装置から出力される出力データに応じて、例えばスピード表示する指示計器の誤動作の原因につながると言った問題点を有していた。この問題点に着目し、本願出願人は、特許文献2に開示されてる回転検出装置を提案している。   When such a rotation detection device is used to detect a transmission gear, sprocket, or the like as a detected object, the detected object has some clearance, so the body rigidity and displacement of the vehicle (two-wheeled vehicle) The detection object is vibrated from the above, and the detection position gap between the detection object and the rotation detection device fluctuates. Therefore, a magnetic change occurs in the rotation detection device, resulting in detection noise. Depending on the output data output from the apparatus, for example, there is a problem that it may cause a malfunction of the indicating instrument that displays the speed. Focusing on this problem, the applicant of the present application has proposed a rotation detection device disclosed in Patent Document 2.

この回転検出装置は、オートバイ等の2輪車における前輪ホイール(車輪)に装着されるものであり、前記前輪ホイールが装着される車軸が挿通する挿通部を備えたハウジングを備え、前記挿通部に前記前輪ホイールとともに回転する複数の磁極を有し、プラスチックマグネット等の磁性媒体から構成される被検出体を装着し、前記被検出体の回転による前記磁極の変化をホールIC等からなる磁気検出手段によって検出する構造である。   This rotation detection device is attached to a front wheel (wheel) of a two-wheeled vehicle such as a motorcycle, and includes a housing having an insertion portion through which an axle to which the front wheel wheel is attached is inserted. A magnetic detection means comprising a plurality of magnetic poles rotating together with the front wheel, mounted on a detection object made of a magnetic medium such as a plastic magnet, and a change in the magnetic pole caused by rotation of the detection object made of a Hall IC or the like It is a structure to detect by.

前記被検出体は、前記磁極を有する円筒部と、前記前輪ホイールの回転を前記円筒部に伝達するための回転伝達片とがプラスチックマグネット等によって一体に形成されてなるものである。前記回転伝達片は、前記前輪ホイールのハブに設けられる凹部形状もしくは凸部形状の取付部に対応するように、前記ハウジングの開口部側の前記円筒部から外方に引き出し形成されてなるもので、前記円筒部周縁の複数箇所に設けられるものである。   The object to be detected is formed by integrally forming a cylindrical portion having the magnetic pole and a rotation transmitting piece for transmitting rotation of the front wheel to the cylindrical portion by a plastic magnet or the like. The rotation transmitting piece is formed to be drawn outward from the cylindrical portion on the opening side of the housing so as to correspond to a concave or convex mounting portion provided on the hub of the front wheel. These are provided at a plurality of locations on the periphery of the cylindrical portion.

かかる構成の回転検出装置は、前記前輪ホイールとフロントフォークとの間に狭持された状態で配設されるものである。即ち前記回転検出装置は、前記前輪ホイールが装着されている前記車軸を前記挿通部に挿通し、前記前輪ホイールの前記ハブに設けられる前記取付部に前記回転伝達片を嵌め込むとともに、前記挿通部から前記ハウジングの外方に向かって突出する前記車軸を前記フロントフォークを介してナット部材によって固定することで、前記前輪ホイールと前記フロントホイールとの間において狭持される状態で配設される。   The rotation detection device having such a configuration is disposed in a state of being sandwiched between the front wheel and the front fork. That is, the rotation detection device inserts the axle on which the front wheel is mounted into the insertion portion, and inserts the rotation transmission piece into the attachment portion provided on the hub of the front wheel, and the insertion portion The axle projecting outward from the housing is fixed by a nut member via the front fork, so that the axle is sandwiched between the front wheel and the front wheel.

しかしながら前記回転検出装置を前記ハブに取り付ける製造工程において、前記ハブの前記取付部に前記回転検出装置の前記回転伝達片を嵌め込む際に、前記回転伝達片が前記取付部の適正位置に嵌ったか否かを目視によって確認することが困難であり、前記回転伝達片が前記取付部に嵌め込まれない不適正な状態で前記回転検出装置が前記ハブと前記フロントフォークとの間において共締めされると、前記プラスチップマグネットにより構成される前記回転伝達片の破損が発生する恐れがあるといった問題点を有していた。この問題点に着目し、本願出願人は、特許文献3に開示されている回転検出装置を提案している。   However, in the manufacturing process of attaching the rotation detection device to the hub, when the rotation transmission piece of the rotation detection device is fitted into the attachment portion of the hub, is the rotation transmission piece fitted in an appropriate position of the attachment portion? It is difficult to visually confirm whether or not the rotation transmission device is fastened between the hub and the front fork in an inappropriate state where the rotation transmission piece is not fitted into the mounting portion. There is a problem that the rotation transmission piece constituted by the plus-tip magnet may be damaged. Focusing on this problem, the present applicant has proposed a rotation detection device disclosed in Patent Document 3.

かかる回転検出装置は、着磁が施された胴部と、ポリアセタール,ポリアミド等の樹脂系材料からなり、変形可能な材料から構成される回転伝達部とをインサート成形によって一体的に形成した被検出体を有するものであり、前記回転伝達部には、前述した機能を有する回転伝達片が形成されている。従って、変形可能な材料によって前記回転伝達片を構成することによって、前記不適正な状態にて前記ハブの前記取付部に装着され、前記ハブと前記フロントフォークとの間に共締めされても前記回転伝達片の破損を抑制することが可能となるものである。
特開平2−264817号公報 特開平9−229714号公報 特開2003−90740号公報
Such a rotation detection device is to be detected by integrally forming a magnetized body portion and a rotation transmission portion made of a resin material such as polyacetal or polyamide and made of a deformable material by insert molding. The rotation transmitting portion is formed with a rotation transmitting piece having the above-described function. Therefore, by configuring the rotation transmission piece with a deformable material, the rotation transmission piece is attached to the mounting portion of the hub in the inappropriate state, and is tightened between the hub and the front fork. It is possible to suppress the breakage of the rotation transmitting piece.
JP-A-2-264817 JP-A-9-229714 JP 2003-90740 A

しかしながら、前記回転伝達片の破損は防げるものの、回転検出装置を前記ハブに取り付ける製造工程において、前記回転検出装置を前記ハブから取り外し、再び取り付ける取り付け修正作業を行わなければならず、製造工程を煩雑にするばかりでなく、生産性を向上させることができないといった問題点を有している。   However, although the rotation transmission piece can be prevented from being damaged, in the manufacturing process for attaching the rotation detection device to the hub, the rotation detection device must be removed from the hub and reattached, and the manufacturing process is complicated. In addition, there is a problem that productivity cannot be improved.

本発明は前記問題点に着目し、回転伝達装置の取り付け修正作業を行う必要がなく、生産性を向上させることが可能な回転伝達装置の取り付け構造を得ることを目的とするものである。   The present invention focuses on the above-described problems, and an object of the present invention is to obtain a rotation transmission device mounting structure that does not require a rotation transmission device mounting correction operation and that can improve productivity.

本発明は、請求項1記載した回転伝達装置の取り付け構造の通り、前輪ホイールが装着される車軸を挿通するための挿通部を備えたハウジングと、前記ハウジング内に配設され、前記挿通部の外周に対して回転自在に配設される筒状の胴部を備えるとともに、前記前輪ホイールの回転を胴部に伝達する変形可能な材料から構成される伝達片部を備える被回転体と、を少なくともを備えた回転伝達装置を前記前輪ホイールのハブに装着し、前記前輪ホールとフロントフォークとの間に挟持された状態で取り付けられる回転伝達装置の取り付け構造であって、前記ハブの取付部に前記伝達片部を回転させるための突設部を設け、前記取付部への取付状態が不適正な状態である場合に前記突設部と前記伝達片部とが重なり合い、この重なり合った状態にて前記前輪ホイールと前記フロントフォークとの間に前記回転伝達装置を共締めすると、前記被回転体における回転方向の一方側に前記伝達片部を移動させることで前記回転片部が前記取付部の適正位置に配設されるように、前記突設部及び前記伝達片部に適正状態復帰部を備えてなることを特徴とするものである。   According to the rotation transmission device mounting structure of the first aspect of the present invention, a housing having an insertion portion for inserting an axle on which a front wheel is mounted, and a housing provided in the housing, A rotating body including a cylindrical body portion that is rotatably arranged with respect to the outer periphery, and a transmission piece portion made of a deformable material that transmits the rotation of the front wheel to the body portion; A rotation transmission device having at least a rotation transmission device mounted on a hub of the front wheel, and mounted in a state of being sandwiched between the front wheel hole and a front fork, wherein the rotation transmission device is attached to a mounting portion of the hub A projecting portion for rotating the transmission piece portion is provided, and the projecting portion and the transmission piece portion overlap each other when the mounting state to the mounting portion is inappropriate. When the rotation transmitting device is fastened together between the front wheel and the front fork, the rotating piece is moved to one side in the rotation direction of the rotated body so that the rotating piece is attached to the mounting portion. The projecting portion and the transmission piece portion are provided with an appropriate state returning portion so as to be disposed at an appropriate position.

また、請求項2に記載した回転伝達装置の取り付け構造は、請求項1に記載の回転伝達装置の取り付け構造において、前記適正状態復帰部は、前記不適正な状態の際に前記突設部と前記伝達片部とが重なり合う際の各当接個所に設けられてなるものである。   Further, the rotation transmission device mounting structure according to claim 2 is the rotation transmission device mounting structure according to claim 1, wherein the proper state returning portion is connected to the projecting portion in the inappropriate state. It is provided at each contact point when the transmission piece part overlaps.

また、請求項3に記載した回転伝達装置の取り付け構造は、請求項2に記載した回転伝達装置の取り付け構造において、前記適正状態復帰部の各当接個所は、傾斜状に形成されてなるものである。   The rotation transmission device mounting structure according to claim 3 is the rotation transmission device mounting structure according to claim 2, wherein each contact portion of the proper state return portion is formed in an inclined shape. It is.

本発明は、前輪ホイールが装着される車軸を挿通するための挿通部を備えたハウジングと、前記ハウジング内に配設され、前記挿通部の外周に対して回転自在に配設される筒状の胴部を備えるとともに、前記前輪ホイールの回転を胴部に伝達する変形可能な材料から構成される伝達片部を備える被回転体と、を少なくともを備えた回転伝達装置を前記前輪ホイールのハブに設けられた取付部に装着し、前記前輪ホールとフロントフォークとの間に挟持された状態で取り付けられる回転伝達装置の取り付け構造に関し、回転伝達装置の取り付け修正作業を行う必要がなく、生産性を向上させることが可能となる。   The present invention includes a housing having an insertion portion for inserting an axle on which a front wheel is mounted, and a cylindrical shape that is disposed within the housing and is rotatably disposed with respect to the outer periphery of the insertion portion. A rotation transmission device comprising at least a rotating body including a body and a transmission piece including a deformable material configured to transmit rotation of the front wheel to the body. With regard to the rotation transmission device mounting structure that is mounted on the provided mounting portion and is mounted while being sandwiched between the front wheel hole and the front fork, there is no need to perform the rotation correction device mounting correction work, and productivity is improved. It becomes possible to improve.

以下、本発明の実施の形態を添付図面に基づき説明するが、回転伝達装置として、例えば、オートバイの車輪の回転数を検出する電気式の回転検出装置を適用した場合について説明する。   DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. For example, a case where an electric rotation detection device that detects the rotation speed of a motorcycle wheel is applied as a rotation transmission device will be described.

図1において、回転検出装置Aは、ハウジング1と、回路基板2と、磁気検出素子(磁気検出手段)3と、シール部材4と、被検出体(被回転体)5とから構成されている。   In FIG. 1, the rotation detection device A includes a housing 1, a circuit board 2, a magnetic detection element (magnetic detection means) 3, a seal member 4, and a detected body (rotated body) 5. .

ハウジング1は、ポリブチレンテレフタレートやポリアミド等の樹脂材料からなり、このハウジング1の略中央には、2輪車の前輪ホイール(車輪)が装着される車軸Sが挿通し、金属材料からなる円筒状の挿通部1aがインサート成形されている。この挿通部1aの周縁には、後で詳述する被検出体5の胴部が挿通部1aの外周に対し回転自在に配設するための第1の収納部1bが形成され、この第1の収納部1bから段差部を介して連なる位置には、後で詳述する被検出体5の伝達片部が回転可能となる第2の収納部1cが形成され、この第2の収納部1cから段差部を介して連なる位置には、後で詳述するシール部材4を配設する第3の収納部1dが形成されている。また、第1の収納部1bから一方の外方には、回路基板2と回路基板2に実装した磁気検出素子3とを収納する第4の収納部1eが形成されている。   The housing 1 is made of a resin material such as polybutylene terephthalate or polyamide, and an axle S on which a front wheel (wheel) of a two-wheeled vehicle is mounted is inserted through a substantially central portion of the housing 1 to form a cylindrical shape made of a metal material. The insertion part 1a is insert-molded. Formed on the periphery of the insertion portion 1a is a first storage portion 1b for disposing a body portion of the detected body 5 described later in detail so as to be rotatable with respect to the outer periphery of the insertion portion 1a. A second storage portion 1c is formed at a position continuous from the storage portion 1b via the stepped portion so that a transmission piece portion of the detected object 5 to be described later can be rotated, and this second storage portion 1c. A third storage portion 1d in which a seal member 4 which will be described in detail later is disposed is formed at a position continuous from the first through the step portion. In addition, a fourth storage portion 1e that stores the circuit board 2 and the magnetic detection element 3 mounted on the circuit board 2 is formed on one outer side from the first storage portion 1b.

回路基板2は、ガラスエポキシ等の絶縁材料からなる基板に所定の配線パターンが形成されており、磁気検出素子3及びコンデンサ等からなる図示しない電子部品等が半田等により電気的に固定されている。また、この回路基板2は、磁気検出素子3への電源供給及び磁気検出素子3からの出力信号を図示しない指示計器(例えば、スピードメータ)に伝達するための配線コード(図示しない)が備えられ、この配線コードは回路基板2の所定箇所に半田により電気的に接続されている。かかる回路基板2は、第4の収納部1e内に配設した後、この第4の収納部1e内にエポキシ樹脂等からなる封止部材6を充填することで配設固定される。   The circuit board 2 has a predetermined wiring pattern formed on a substrate made of an insulating material such as glass epoxy, and an electronic component (not shown) made of a magnetic detection element 3 and a capacitor is electrically fixed by solder or the like. . Further, the circuit board 2 is provided with a wiring cord (not shown) for supplying power to the magnetic detection element 3 and transmitting an output signal from the magnetic detection element 3 to an indicator (not shown) (for example, a speedometer). The wiring cord is electrically connected to a predetermined portion of the circuit board 2 by soldering. The circuit board 2 is disposed and fixed by filling the fourth housing portion 1e with a sealing member 6 made of epoxy resin or the like after being disposed in the fourth housing portion 1e.

磁気検出素子3は、リードスイッチやホールIC,MR素子(半導体磁気抵抗素子)等からなるもので、被検出体5の磁極の変化を検出する。   The magnetic detection element 3 includes a reed switch, a Hall IC, an MR element (semiconductor magnetoresistive element), and the like, and detects a change in the magnetic pole of the detected object 5.

シール部材4は、ニトリルやシリコン系等のゴム製材料からなるもので、このシール部材4は薄型のドーナッツ形状からなるものである。シール部材4は、ハウジング1の第3の収納部1dの側壁に対して外形が若干大きめに形成されているため、第3の収納部1dに圧入によって配設固定される。従って、回転検出装置Aを前輪ホイール10のハブ10a(取付部)に配設した際に、ハブ10aの突設部10cとシール部材4の内面とが当接することで、ハウジング1内部への塵やゴミ、あるいは水分等の侵入を防止するものである。   The seal member 4 is made of a rubber material such as nitrile or silicon, and the seal member 4 has a thin donut shape. Since the outer shape of the seal member 4 is slightly larger than the side wall of the third storage portion 1d of the housing 1, the seal member 4 is disposed and fixed to the third storage portion 1d by press fitting. Accordingly, when the rotation detection device A is disposed on the hub 10a (attachment portion) of the front wheel 10, the protruding portion 10c of the hub 10a and the inner surface of the seal member 4 come into contact with each other, so that This prevents intrusion of dust, moisture, moisture and the like.

被検出体5は、ハウジング1の挿通部1aを挿通させるための円筒状の胴部(検出部)5aが磁性体材料(例えば、プラスチックマグネット)にて形成され、この胴部5aの外周表面には、例えば8極の着磁(N→S→N→S→・・・)が施されている。また被検出体5には、ポリアセタール,ポリアミド等の変形可能な樹脂系材料から構成される回転伝達部5bを備えており、この回転伝達部5bには、前輪ホイール10におけるハブ10aの取付部10bに形成される突設部10cに対応する複数の伝達片部5cが形成されている。かかる被検出体5は、ハブ10aの取付部10bの適正位置、即ち取付部10bに設けられる突設部10cの側面に伝達片部5cの側面が当接可能となる位置に嵌め込まれることによって、前輪ホイール10の回転に伴ってハウジング1の挿通部1aの外周を回転することになる。また、被検出体5の胴部5aと回転伝達部5bとは、インサート成形によって一体的に形成されるとともに、両部材は凹凸嵌合によって結合されることで廻り止め構造を得ている。以上の各部により回転検出装置Aが構成される。   The detected body 5 has a cylindrical body (detection section) 5a for inserting the insertion section 1a of the housing 1 formed of a magnetic material (for example, a plastic magnet), and is formed on the outer peripheral surface of the body 5a. Is magnetized with, for example, 8 poles (N → S → N → S →...). The detected object 5 includes a rotation transmission portion 5b made of a deformable resin material such as polyacetal or polyamide. The rotation transmission portion 5b includes a mounting portion 10b of the hub 10a in the front wheel 10. A plurality of transmission piece portions 5c corresponding to the protruding portions 10c formed in the above are formed. The detected body 5 is fitted into an appropriate position of the mounting portion 10b of the hub 10a, that is, a position where the side surface of the transmission piece portion 5c can come into contact with the side surface of the protruding portion 10c provided in the mounting portion 10b. As the front wheel 10 rotates, the outer periphery of the insertion portion 1a of the housing 1 is rotated. Further, the body portion 5a and the rotation transmission portion 5b of the body 5 to be detected are integrally formed by insert molding, and both members are joined by concave and convex fitting to obtain a rotation stop structure. The rotation detecting device A is configured by the above-described units.

次に、図2を用いて、回転検出装置Aの取り付け構造について詳述する。図2は、回転検出装置AのB−B断面の要部拡大図である。図2(a)は、ハブ10aの取付部10bに回転検出器装置Aが不適正な状態で配設された際の伝達片部5c及び突設部10cを示している。突設部10cの伝達片部5b側端部(先端部分)は、傾斜状に形成されるものであり、その先端部分は、2つの傾斜面10c1の一端側を幅方向の略中央部にて接する三角形状をなすように形成されるものである。一方、伝達片部5cの突設部10c側端部(先端部分)は、突設部10cの先端部分を反転させた形状をなし、突設部10cの各傾斜面10c1に対応する2つの傾斜面5c1を有している。   Next, the mounting structure of the rotation detection device A will be described in detail with reference to FIG. FIG. 2 is an enlarged view of a main part of the BB cross section of the rotation detection device A. FIG. 2A shows the transmission piece 5c and the protruding portion 10c when the rotation detector device A is disposed in an inappropriate state on the mounting portion 10b of the hub 10a. An end portion (tip portion) on the transmission piece portion 5b side of the projecting portion 10c is formed in an inclined shape, and the tip portion is formed at one end side of the two inclined surfaces 10c1 at a substantially central portion in the width direction. It is formed so as to form a triangular shape that touches. On the other hand, the projecting portion 10c side end portion (tip portion) of the transmission piece 5c has a shape obtained by inverting the tip portion of the projecting portion 10c, and has two slopes corresponding to the inclined surfaces 10c1 of the projecting portion 10c. It has a surface 5c1.

図2(a)に示すように、不適正な状態で回転検出装置Aがハブ10aの取付部10bに配設されると、伝達片部5cが突設部10c上に乗り上げることになるが、この状態にて回転検出装置Aを前輪ホール10とフロントフォーク(図示しない)との間に共締めすると、変形可能な材料によって構成される伝達片部5cが突設部10cにより矢印a方向に押されることになるが、伝達片部5c及び突設部10cにそれぞれ傾斜面5c1,10c1を備える構成であるため、矢印a方向からの突設部10cの共締めによる移動量(オフセット量)に伴う押し付け力によって伝達片部5cが矢印b方向の斜面にならって滑動移行し、結果的に被検出体5が正転方向あるいは逆転方向の一方の方向(回転方向の一方側)へ回転移動することによって、図2(b)に示すように、伝達片部5cをハブ10aの取付部10bの適正位置、即ち伝達片部5cを突設部10cの側面10c2に当接可能な位置に配設することができるようになる。尚、突設部10cと伝達片部5cとの間にグリース等の潤滑剤を塗布することによって、適正位置への復帰が良好になることは言うまでのない。   As shown in FIG. 2A, when the rotation detection device A is disposed on the mounting portion 10b of the hub 10a in an inappropriate state, the transmission piece portion 5c rides on the protruding portion 10c. In this state, when the rotation detector A is fastened together between the front wheel hole 10 and the front fork (not shown), the transmission piece 5c made of a deformable material is pushed in the direction of arrow a by the projecting portion 10c. However, since the transmission piece 5c and the projecting portion 10c are provided with the inclined surfaces 5c1 and 10c1, respectively, the amount of movement (offset amount) due to the joint fastening of the projecting portion 10c from the direction of the arrow a is accompanied. Due to the pressing force, the transmission piece 5c slides along an inclined surface in the direction of the arrow b, and as a result, the detected object 5 rotates and moves in one direction (one side of the rotation direction) in the forward rotation direction or the reverse rotation direction. By As shown in FIG. 2B, the transmission piece 5c is disposed at an appropriate position of the mounting portion 10b of the hub 10a, that is, a position where the transmission piece 5c can contact the side surface 10c2 of the protruding portion 10c. Will be able to. Needless to say, by applying a lubricant such as grease between the projecting portion 10c and the transmission piece portion 5c, the return to the proper position is improved.

次に、図3(a),(b)を用いて本発明の他に実施形態について説明するが、前述した実施形態と同様もしくは相当個所には同一符号を付してその詳細な説明は省く。   Next, embodiments other than the present invention will be described with reference to FIGS. 3A and 3B, but the same reference numerals are given to the same or corresponding portions as those of the above-described embodiments, and detailed description thereof will be omitted. .

前述した実施形態と比べ異なる点は、伝達片部5c及び突設部10cの先端部分の形状にある。伝達片部5c及び突設部10cの先端部分の形状は、互いに円弧状に形成されることで各傾斜面5c2,10c3を構成するものであり、前述した実施形態と同様な効果を得ることができる。   The difference from the above-described embodiment is the shape of the distal end portions of the transmission piece 5c and the protruding portion 10c. The tip portions of the transmission piece portion 5c and the projecting portion 10c are formed in an arc shape to form the inclined surfaces 5c2 and 10c3, and the same effects as those of the above-described embodiment can be obtained. it can.

かかる回転検出装置Aの取り付け構造は、前輪ホイール10が装着される車軸Sを挿通するための挿通部1aを備えたハウジング1と、ハウジング1内に配設され、挿通部1aの外周に対して回転自在に配設される筒状の胴部5aを備えるとともに、前輪ホイール10の回転を胴部5aに伝達する変形可能な材料から構成される伝達片部5cを備える被検出体5と、を備えた回転検出装置Aを前輪ホイール10のハブ10aの取付部10bに装着し、前輪ホイール10とフロントフォークとの間に挟持された状態で取り付けられる構造であり、取付部10bに伝達片部5cを回転させるための突設部10cを設け、取付部10bへの取付状態が不適正な状態である場合に突設部10cと伝達片部5cとが重なり合い、この重なり合った状態にて前輪ホイール10と前記フロントフォークとの間に回転検出装置Aを共締めすると、被検出体5における正転方向あるいは逆転方向の一方の方向に伝達片部5cを回転移動させることで回転片部5cが取付部10bの適正位置に配設されるように、突設部10cと伝達片部5cとが重なり合った際の各当接個所に、適正状態復帰部である傾斜面5c1,5c2,10c1,10c3を備えてなるものである。   The rotation detector A has a mounting structure in which a housing 1 having an insertion portion 1a for inserting an axle S on which the front wheel 10 is mounted, and the outer periphery of the insertion portion 1a are disposed in the housing 1. A detected body 5 having a cylindrical body portion 5a that is rotatably arranged, and a transmission piece portion 5c made of a deformable material that transmits the rotation of the front wheel 10 to the body portion 5a. The rotation detection device A provided is mounted on the mounting portion 10b of the hub 10a of the front wheel 10 and is mounted while being sandwiched between the front wheel 10 and the front fork, and the transmission piece 5c is attached to the mounting portion 10b. The projecting portion 10c for rotating the projection portion 10c is provided, and when the mounting state to the mounting portion 10b is inappropriate, the projecting portion 10c and the transmission piece portion 5c overlap each other. When the rotation detecting device A is fastened between the front wheel 10 and the front fork, the rotating piece 5c is rotated by moving the transmitting piece 5c in one of the forward rotation direction and the reverse rotation direction of the detected body 5. So that the projecting portion 10c and the transmission piece portion 5c overlap with each other, the inclined surfaces 5c1, 5c2, 10c1, which are proper state return portions, are arranged at the respective contact points when the protruding portion 10c and the transmission piece portion 5c overlap each other. 10c3.

従って、回転検出装置Aの取り付け修正作業を行わなくとも伝達片部5cをハブ10aの取付部10bの適正位置に配設することができるようになり、生産性を向上させることができる。   Accordingly, the transmission piece 5c can be disposed at an appropriate position of the mounting portion 10b of the hub 10a without performing the mounting / correcting operation of the rotation detecting device A, and the productivity can be improved.

尚、本発明の実施形態では、被検出体5の回転に伴う磁極の変化を磁気検出素子3によって検出し、この検出信号を車両用メータ等に伝達する電気式の回転検出装置を例に挙げて説明したが、本発明の取り付け構造にあっては、ハウジングの挿通部に、前輪ホイールのハブの取付部に噛み合う伝達片部を備えた被回転体を装着し、被回転体の胴部に形成された歯部にウォームギアを噛合させ、前記ウォームギアの回転をケーブルに伝達し、このケーブルを車両用メータ等に接続する機械式の回転伝達装置の取り付け構造に適用するものであっても良い。   In the embodiment of the present invention, an electric rotation detection device that detects a change in the magnetic pole accompanying the rotation of the detection object 5 by the magnetic detection element 3 and transmits the detection signal to a vehicle meter or the like is taken as an example. However, in the mounting structure of the present invention, a rotating body provided with a transmission piece portion that meshes with the mounting portion of the hub of the front wheel is attached to the insertion portion of the housing, and the trunk portion of the rotating body is mounted. The worm gear may be engaged with the formed tooth portion, the rotation of the worm gear may be transmitted to a cable, and the structure may be applied to a mounting structure of a mechanical rotation transmission device that connects the cable to a vehicle meter or the like.

また、前述した各実施形態では、適正状態復帰部である突設部10c及び伝達片部5cの先端部分の形状を三角状あるいは円弧状としたが、その形状は様々変更可能であり、伝達片部5cが突設部10cによって押された際に、適正個所へ滑動移行できる形状であれば必ずしも前述した各実施形態の形状に限定されるものではない。例えば、伝達片部5cに単一の傾斜面を備えるように形成し、突設部10cにこの伝達片部5cの傾斜面にならった傾斜面を形成することで、前述した実施形態と同様な効果を得ることができる。   Moreover, in each embodiment mentioned above, although the shape of the front-end | tip part of the protrusion part 10c and the transmission piece part 5c which is an appropriate state return part was made into triangular shape or circular arc shape, the shape can be changed variously, and a transmission piece The shape of each embodiment described above is not necessarily limited as long as the shape can be slid and moved to an appropriate position when the portion 5c is pushed by the protruding portion 10c. For example, the transmission piece portion 5c is formed to have a single inclined surface, and the protruding portion 10c is formed with an inclined surface that follows the inclined surface of the transmission piece portion 5c. An effect can be obtained.

本発明の実施形態を示す回転検出装置の要部断面図である。It is principal part sectional drawing of the rotation detection apparatus which shows embodiment of this invention. 同上実施形態の回転検出装置の要部拡大断面図である。It is a principal part expanded sectional view of the rotation detection apparatus of embodiment same as the above. 本発明の他の実施形態の回転検出装置の要部拡大断面図である。It is a principal part expanded sectional view of the rotation detection apparatus of other embodiment of this invention.

符号の説明Explanation of symbols

A 回転検出装置(回転伝達装置)
1 ハウジング
1a 挿通部
2 回路基板
3 磁気検出素子(磁気検出手段)
4 シール部材
5 被検出体(被回転体)
5a 胴部
5b 回転伝達部
5c 伝達片部
5c1,5c2 傾斜面
10 前輪ホイール
10a ハブ
10b 取付部
10c 突設部
10c1,10c2 傾斜面
A Rotation detector (Rotation transmission device)
DESCRIPTION OF SYMBOLS 1 Housing 1a Insertion part 2 Circuit board 3 Magnetic detection element (magnetic detection means)
4 Seal member 5 Object to be detected (Rotated object)
5a body part 5b rotation transmission part 5c transmission piece part 5c1, 5c2 inclined surface 10 front wheel 10a hub 10b mounting part 10c projecting part 10c1, 10c2 inclined surface

Claims (3)

前輪ホイールが装着される車軸を挿通するための挿通部を備えたハウジングと、前記ハウジング内に配設され、前記挿通部の外周に対して回転自在に配設される筒状の胴部を備えるとともに、前記前輪ホイールの回転を胴部に伝達する変形可能な材料から構成される伝達片部を備える被回転体と、を少なくともを備えた回転伝達装置を前記前輪ホイールのハブに装着し、前記前輪ホールとフロントフォークとの間に挟持された状態で取り付けられる回転伝達装置の取り付け構造であって、
前記ハブの取付部に前記伝達片部を回転させるための突設部を設け、前記取付部への取付状態が不適正な状態である場合に前記突設部と前記伝達片部とが重なり合い、この重なり合った状態にて前記前輪ホイールと前記フロントフォークとの間に前記回転伝達装置を共締めすると、前記被回転体における回転方向の一方側に前記伝達片部を移動させることで前記回転片部が前記取付部の適正位置に配設されるように、前記突設部及び前記伝達片部に適正状態復帰部を備えてなることを特徴とする回転伝達装置の取り付け構造。
A housing having an insertion portion for inserting an axle on which a front wheel is mounted, and a cylindrical body portion disposed in the housing and rotatably disposed with respect to the outer periphery of the insertion portion. And a rotation transmission device comprising at least a rotating body including a transmission piece made of a deformable material that transmits the rotation of the front wheel to the body, and mounted on a hub of the front wheel, A rotation transmission device mounting structure that is mounted in a state of being sandwiched between a front wheel hole and a front fork,
Providing a projecting portion for rotating the transmission piece portion on the mounting portion of the hub, and the projecting portion and the transmission piece portion overlap when the mounting state to the mounting portion is in an inappropriate state, When the rotation transmission device is fastened together between the front wheel and the front fork in the overlapping state, the rotation piece portion is moved by moving the transmission piece portion to one side in the rotation direction of the rotated body. The rotation transmission device mounting structure is characterized in that the projecting portion and the transmission piece portion are provided with an appropriate state returning portion so that is disposed at an appropriate position of the mounting portion.
前記適正状態復帰部は、前記不適正な状態の際に前記突設部と前記伝達片部とが重なり合う際の各当接個所に設けられてなることを特徴とする回転伝達装置の取り付け構造。   The rotation transmission device mounting structure, wherein the proper state returning portion is provided at each contact point when the protruding portion and the transmission piece portion overlap in the inappropriate state. 前記適正状態復帰部の各当接個所は、傾斜状に形成されてなることを特徴とする請求項2に記載の回転伝達装置の取り付け構造。   The rotation transmission device mounting structure according to claim 2, wherein each contact portion of the proper state returning portion is formed in an inclined shape.
JP2005035390A 2005-02-14 2005-02-14 Mounting structure of rotation transmission device Active JP4622567B2 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002131081A (en) * 2000-10-25 2002-05-09 Yazaki Corp Rotary position sensor and rotary shaft for the rotary position sensor
JP2003090740A (en) * 2001-07-13 2003-03-28 Nippon Seiki Co Ltd Rotation detecting device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002131081A (en) * 2000-10-25 2002-05-09 Yazaki Corp Rotary position sensor and rotary shaft for the rotary position sensor
JP2003090740A (en) * 2001-07-13 2003-03-28 Nippon Seiki Co Ltd Rotation detecting device

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