JP2007223539A - Power steering device - Google Patents

Power steering device Download PDF

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Publication number
JP2007223539A
JP2007223539A JP2006049237A JP2006049237A JP2007223539A JP 2007223539 A JP2007223539 A JP 2007223539A JP 2006049237 A JP2006049237 A JP 2006049237A JP 2006049237 A JP2006049237 A JP 2006049237A JP 2007223539 A JP2007223539 A JP 2007223539A
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Japan
Prior art keywords
mounting
pipe
gear housing
steering gear
power steering
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JP2006049237A
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JP4801467B2 (en
Inventor
Hiroyuki Tezuka
太之 手塚
Masatsugu Furuya
正嗣 古家
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Showa Corp
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Showa Corp
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  • Power Steering Mechanism (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power steering device improved in pipe fitting workability by simplifying pipe fitting structure. <P>SOLUTION: In the power steering device 10 movably housing a rack shaft 12 interlocked with a steering input shaft 22 in a steering gear housing 11 and provided with a fitting 30 fixed to the steering gear housing 11 so as to fit the steering gear housing to a vehicle body and the pipe 60 for leading a pressure fluid, a fixing part 71 of a fitting stay 70 to which the pipe 60 is to be fitted is fastened to a fixing part 31 of the fitting 30 with a bolt. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明はパワーステアリング装置に関する。   The present invention relates to a power steering apparatus.

パワーステアリング装置として、特許文献1に記載の如く、ステアリング入力軸に連動するラック軸をステアリングギヤハウジングに移動可能に収容し、ステアリングギヤハウジングに固定されて該ステアリングギヤンハウジングを車体側に取付ける取付具を備え、圧力流体を導く配管を備えてなるものがある。特許文献1には、ステアリングギヤハウジングのパワーシリンダにベルト状の専用取付具を締結し、配管に取付けたブラケットを上記取付具にボルト止めすることによリ、配管を取付けるものが開示されている。配管の取付位置をパワーシリンダに対して位置決めする位置決め部材を取付具に設けている。
実公平7-383
As a power steering device, as described in Patent Document 1, a rack shaft interlocking with a steering input shaft is movably accommodated in a steering gear housing, and fixed to the steering gear housing and attached to the vehicle body side. There is a thing provided with piping which guides pressure fluid. Japanese Patent Application Laid-Open No. H10-228707 discloses a method for attaching a pipe by fastening a belt-like dedicated fixture to a power cylinder of a steering gear housing and bolting a bracket attached to the pipe to the fixture. . A positioning member for positioning the mounting position of the pipe with respect to the power cylinder is provided in the mounting tool.
Reality 7-383

特許文献1の配管取付構造には以下の問題点がある。
(1)配管を取付けるためにだけ用いられる専用の取付具を用意し、この取付具をパワーシリンダに締結する必要がある。
The piping mounting structure of Patent Document 1 has the following problems.
(1) It is necessary to prepare a dedicated fixture that can only be used to install the pipe and fasten this fixture to the power cylinder.

(2)配管の取付位置(方向性)を位置決めする位置決め部材を取付具に設ける必要があり、この位置決め部材をパワーシリンダに対する特定位置に位置合せする必要がある。   (2) It is necessary to provide a positioning member for positioning the mounting position (directivity) of the pipe in the fixture, and it is necessary to align this positioning member with a specific position with respect to the power cylinder.

本発明の課題は、パワーステアリング装置において、配管の取付構造を簡易化し、配管の取付作業性を向上することにある。   An object of the present invention is to simplify a pipe mounting structure and improve pipe mounting workability in a power steering apparatus.

請求項1の発明は、ステアリング入力軸に連動するラック軸をステアリングギヤハウジングに移動可能に収容し、ステアリングギヤハウジングに固定されて該ステアリングギヤンハウジングを車体側に取付ける取付具を備え、圧力流体を導く配管を備えてなるパワーステアリング装置において、前記配管が取付けられる取付ステーの固定部を前記取付具の固定部にボルト止めしてなるようにしたものである。   According to a first aspect of the present invention, a rack shaft that is linked to a steering input shaft is movably accommodated in a steering gear housing, and includes a fixture that is fixed to the steering gear housing and attaches the steering gear housing to the vehicle body side. In the power steering apparatus including a pipe for guiding the pipe, the fixing portion of the mounting stay to which the pipe is attached is bolted to the fixing part of the fixture.

請求項2の発明は、請求項1の発明において更に、前記取付ステーが前記配管を嵌め込み可能にする円弧状凹部を備え、該凹部との間に該配管を挟持可能にする挟み板を該取付ステーにボルト止め可能にしたものである。   According to a second aspect of the present invention, in the first aspect of the invention, the mounting stay further includes an arc-shaped concave portion that allows the piping to be fitted therein, and a clip plate that allows the piping to be clamped between the concave portion and the mounting plate. It can be bolted to the stay.

請求項3の発明は、請求項1又は2の発明において更に、前記取付具の固定部がボルト孔を中心とする円弧状外縁部と、該外縁部の一端から外方に張り出る回り止め部を備え、前記取付ステーの固定部が上記取付具の円弧状外縁部に沿って移動し、かつ該取付具の回り止め部に係止し得る爪を備えるようにしたものである。   According to a third aspect of the present invention, in the first or second aspect of the present invention, the fixing portion of the fixture further has an arcuate outer edge portion centered on the bolt hole, and a detent portion protruding outward from one end of the outer edge portion. The fixing portion of the mounting stay moves along the arcuate outer edge portion of the mounting tool, and includes a claw that can be locked to the detent portion of the mounting tool.

(請求項1)
(a)ステアリングギヤハウジングを車体側に取付ける取付具を、配管の取付けのために兼用する。従って、配管の取付けのための部品点数を削減し、配管の取付作業性も向上できる。
(Claim 1)
(a) A mounting tool for mounting the steering gear housing on the vehicle body side is also used for piping. Therefore, the number of parts for pipe installation can be reduced and the pipe installation workability can be improved.

(b)ステアリングギヤハウジングに固定された取付具にボルト止めされて固定化される取付ステーに配管を取付ける。従って、取付具に固定された取付ステーによる配管のステアリングギヤハウジングに対する取付位置(方向性)は一義的に定まり、配管の取付作業性を向上できる。   (b) Attach piping to a mounting stay that is fixed by bolting to a fixture fixed to the steering gear housing. Therefore, the mounting position (direction) of the pipe with respect to the steering gear housing by the mounting stay fixed to the fixture is uniquely determined, and the pipe mounting workability can be improved.

(請求項2)
(c)配管は、取付ステーの円弧状凹部に嵌め込まれ、挟み板により挟持される。従って、取付ステーに対する配管の着脱性は簡易かつ確実である。
(Claim 2)
(c) The pipe is fitted into the arcuate recess of the mounting stay and is sandwiched between the sandwich plates. Therefore, the detachability of the piping with respect to the mounting stay is simple and reliable.

(請求項3)
(d)取付ステーの固定部を取付具の固定部にボルト止めする過程で、取付ステーの爪は取付具の円弧状外縁部に沿って移動し、その移動端で取付具の回り止め部に係止して止まる。従って、取付具に対する取付ステーの固定位置はボルトまわりで簡易に揺動して微調整でき、配管の取付位置(方向性)を簡易に微調整する等、配管の取付作業性を向上できる。
(Claim 3)
(d) In the process of bolting the fixing part of the mounting stay to the fixing part of the mounting tool, the pawl of the mounting stay moves along the arcuate outer edge of the mounting tool, and at the moving end to the anti-rotating part of the mounting tool. Stop and stop. Therefore, the fixing position of the mounting stay with respect to the fixture can be easily adjusted by swinging around the bolt, and the piping installation workability can be improved, for example, by finely adjusting the mounting position (directionality) of the piping.

図1はパワーステアリング装置を示す全体断面図、図2は図1の要部断面図、図3は図1のIII方向の矢視図、図4は図1のIV方向の矢視図、図5は取付ステーを示す模式図、図6は挟み板を示す模式図である。   1 is an overall cross-sectional view showing a power steering device, FIG. 2 is a cross-sectional view of the main part of FIG. 1, FIG. 3 is a view taken in the direction of arrow III in FIG. 5 is a schematic view showing an attachment stay, and FIG. 6 is a schematic view showing a sandwiching plate.

油圧パワーステアリング装置10は、図1に示す如く、ステアリングギヤハウジング11のラック軸収容部11Aに、ラック軸12を直線移動可能に支持して収容するとともに、パワーシリンダ13を備え、パワーシリンダ13を貫通するラック軸12にピストン(不図示)を備え、パワーシリンダ13の内部にピストン(不図示)によって仕切られる第1室(不図示)と第2室15Bを形成している。そして、油圧パワーステアリング装置10にあっては、ラック軸12に左右のタイロッド17A、17Bを連結し、運転者によるステアリングホイールの操舵力をアシストする。   As shown in FIG. 1, the hydraulic power steering apparatus 10 includes a rack shaft 12 that is supported by a rack shaft housing portion 11 </ b> A of the steering gear housing 11 so as to be linearly movable and includes a power cylinder 13. A piston (not shown) is provided on the penetrating rack shaft 12, and a first chamber (not shown) and a second chamber 15B partitioned by the piston (not shown) are formed inside the power cylinder 13. In the hydraulic power steering apparatus 10, the left and right tie rods 17 </ b> A and 17 </ b> B are connected to the rack shaft 12 to assist the steering force of the steering wheel by the driver.

油圧パワーステアリング装置10は、ステアリングギヤハウジング11に、コントロールバルブ20のバルブボディ21を固定してある。コントロールバルブ20は、ステアリングホイールに連動して回転する入力軸22をバルブボディ21に枢支し、入力軸22に一体の円形ロータ(不図示)と、入力軸22に固定されるトーションバー22Aの先端部にピニオン(不図示)とともに固定される円形スリーブ(不図示)とを、ステアリングホイールに加えた操舵トルクに応ずるトーションバー22Aの弾性ねじり変形によって相対変位可能に同軸配置し、パワーシリンダ13の第1室(不図示)と第2室15Bにそれぞれ接続されている第1と第2の給排流路16A、16Bにポンプ側供給流路とタンク側戻り流路をステアリング操作に応じて切換接続する。尚、スリーブ(不図示)に固定されるピニオン(不図示)は、ラック軸12のラック歯に噛み合いされる。   In the hydraulic power steering apparatus 10, a valve body 21 of a control valve 20 is fixed to a steering gear housing 11. The control valve 20 pivotally supports an input shaft 22 that rotates in conjunction with the steering wheel on the valve body 21, and includes a circular rotor (not shown) integrated with the input shaft 22 and a torsion bar 22 </ b> A fixed to the input shaft 22. A circular sleeve (not shown) fixed together with a pinion (not shown) at the tip is coaxially arranged so as to be relatively displaceable by elastic torsional deformation of the torsion bar 22A according to the steering torque applied to the steering wheel. The pump-side supply channel and the tank-side return channel are switched in accordance with the steering operation to the first and second supply / discharge channels 16A, 16B connected to the first chamber (not shown) and the second chamber 15B, respectively. Connecting. A pinion (not shown) fixed to the sleeve (not shown) is meshed with the rack teeth of the rack shaft 12.

油圧パワーステアリング装置10は、ステアリングギヤハウジング11のラック軸収容部11Aの長手方向に沿う一方側に取付部18、19を備え、他方側に取付具30を備える。油圧パワーステアリング装置10は、取付部18、19をステアリングギヤハウジング11の鋳造成形時に一体成形し、それらの取付孔18A、19Aに挿入されるボルトを車体フレームの支持部(ねじ孔)に螺着するとともに、ステアリングギヤハウジング11に固定される取付具30によりステアリングギヤハウジング11を抱持し、その取付孔30Aに挿入されるボルトを車体フレームの支持部(ねじ孔)に螺着する。これにより、ステアリングギヤハウジング11を車体フレームに対する所定の取付位置に固定的に取付ける。以下、取付具30について説明する。   The hydraulic power steering device 10 includes mounting portions 18 and 19 on one side along the longitudinal direction of the rack shaft housing portion 11A of the steering gear housing 11 and a mounting tool 30 on the other side. In the hydraulic power steering apparatus 10, the mounting portions 18 and 19 are integrally formed when the steering gear housing 11 is cast, and bolts inserted into the mounting holes 18A and 19A are screwed to the support portions (screw holes) of the body frame. At the same time, the steering gear housing 11 is held by the fixture 30 fixed to the steering gear housing 11, and a bolt inserted into the mounting hole 30A is screwed to the support portion (screw hole) of the vehicle body frame. As a result, the steering gear housing 11 is fixedly mounted at a predetermined mounting position with respect to the vehicle body frame. Hereinafter, the fixture 30 will be described.

取付具30は、図2、図3に示す如く、ブラケット40とカラー50を有する。ブラケット40は、ステアリングギヤハウジング11のパワーシリンダ13を抱持する概ねC字状の抱持部41を備え、かつ抱持部41のC字の両端から外方へ延在して互いに平行をなすように相対する一対の接合片42を備える。ブラケット40は、一定板巾の板材のプレス加工により成形できる。カラー50は、パイプ材からなり、ブラケット40の一対の接合片42に設けた孔42Aに挿着される。   The fixture 30 has a bracket 40 and a collar 50 as shown in FIGS. The bracket 40 includes a substantially C-shaped holding portion 41 that holds the power cylinder 13 of the steering gear housing 11, and extends outward from both ends of the C-shape of the holding portion 41 to be parallel to each other. A pair of opposing joining pieces 42 is provided. The bracket 40 can be formed by pressing a plate material having a constant plate width. The collar 50 is made of a pipe material and is inserted into holes 42 </ b> A provided in the pair of joining pieces 42 of the bracket 40.

取付具30は、ブラケット40の抱持部41をステアリングギヤハウジング11のパワーシリンダ13に抱着させた状態で、抱持部41の周方向複数位置(本実施例では4位置)のそれぞれにおいて抱持部41の板巾方向に延在させてあるスリット41Aの内面をパワーシリンダ13の外周にレーザービーム溶接(アーク溶接でも可)する(溶接部43)。また、取付具30は、ブラケット40の一対の接合片42の各孔42Aにカラー50を挿着した状態で、各接合片42の外向き面(ステアリングギヤハウジング11を上下配置状態で視たときの、上側接合片42の上向き面と下側接合片42の下向き面)をカラー50の外周にレーザービーム溶接(アーク溶接でも可)する(溶接部44)。溶接部44はカラー50の外周に沿う周方向複数位置(全周でも可)に設けられる。   The fixture 30 is held at each of a plurality of circumferential positions (four positions in this embodiment) of the holding portion 41 in a state where the holding portion 41 of the bracket 40 is held by the power cylinder 13 of the steering gear housing 11. Laser beam welding (or arc welding is possible) of the inner surface of the slit 41A extending in the plate width direction of the holding portion 41 to the outer periphery of the power cylinder 13 (welding portion 43). In addition, the fixture 30 is a state in which the collar 50 is inserted into each hole 42A of the pair of joining pieces 42 of the bracket 40, and the outward face of each joining piece 42 (when the steering gear housing 11 is viewed in the vertically arranged state). The upper surface of the upper joint piece 42 and the lower surface of the lower joint piece 42 are welded to the outer periphery of the collar 50 by laser beam welding (or arc welding is also possible). The welded portion 44 is provided at a plurality of circumferential positions along the outer periphery of the collar 50 (or the entire circumference is acceptable).

取付具30は、図2、図3に示す如く、カラー50の内周にマウントブッシュ51を嵌着され、マウントブッシュ51の内径を前述の取付孔30Aとする。尚、図2において、13Aはパワーシリンダ13の一端に設けたシリンダーエンド、13Bはオイルシールであり、取付具30のブラケット40はパワーシリンダ13においてシリンダーエンド13Aが挿入され、シリンダーエンド13Aとの間に環状間隙を形成するように拡径された部分の外径部を抱持する。   As shown in FIGS. 2 and 3, the mounting tool 30 has a mounting bush 51 fitted on the inner periphery of the collar 50, and the mounting bush 51 has an inner diameter as the mounting hole 30 </ b> A. In FIG. 2, 13A is a cylinder end provided at one end of the power cylinder 13, 13B is an oil seal, and the bracket 40 of the fixture 30 is inserted between the cylinder end 13A and the cylinder end 13A. The outer diameter portion of the portion that is expanded so as to form an annular gap is held.

しかるに、油圧パワーステアリング10装置は、図1、図4に示す如く、ポンプ等の吸排装置からコントロールバルブ20のバルブボディ21に延在されて圧力流体を導く配管60を備え、この配管60が取付けられる取付ステー70の固定部71を前記取付具30に一体形成してなる固定部31にボルト91A及びナット91Bを用いてボルト止めする。ボルト91Aは、固定部31、71に設けられるボルト孔31A、71Aに挿通される。ナット91Bは固定部31の裏面に溶接される。   However, as shown in FIGS. 1 and 4, the hydraulic power steering apparatus 10 includes a pipe 60 that extends from the intake / exhaust device such as a pump to the valve body 21 of the control valve 20 to guide the pressure fluid, and this pipe 60 is attached to the hydraulic power steering 10 apparatus. The fixing portion 71 of the mounting stay 70 is bolted to the fixing portion 31 formed integrally with the mounting tool 30 using bolts 91A and nuts 91B. The bolt 91 </ b> A is inserted through bolt holes 31 </ b> A and 71 </ b> A provided in the fixing portions 31 and 71. The nut 91 </ b> B is welded to the back surface of the fixed portion 31.

取付ステー70は、図5に示す如く、固定部71の一端から直角に折り曲げられて立ち上がる起立部72の先端に円弧状凹部73を曲げ成形され、この円弧状凹部73に配管60を嵌め込み可能にする。取付ステー70の起立部72の表面には図6に示される挟み板80が添設される。挟み板80は取付ステー70の起立部72の板巾と同一巾又は狭巾とされ、ボルト92A及びナット92Bにより起立部72にボルト止めされる。挟み板80の先端湾曲部81が取付ステー70の円弧状凹部73との間に配管60を挟持可能にする。尚、配管60はゴム管等からなるクッション61を被覆され、取付ステー70の円弧状凹部73と挟み板80の先端湾曲部81との間にクッション61を介して挟持される。クッション61は、取付ステー70の起立部72の板巾より長尺とされ、両端フランジ61A、61Aを備えて凹部73から抜け止めされる。ナット92Bは起立部72の裏面に溶接される。   As shown in FIG. 5, the mounting stay 70 is formed by bending an arcuate recess 73 at the tip of an upright part 72 that is bent at a right angle from one end of the fixed part 71, and the pipe 60 can be fitted into the arcuate recess 73. To do. A sandwich plate 80 shown in FIG. 6 is attached to the surface of the upright portion 72 of the mounting stay 70. The sandwiching plate 80 has the same width as that of the upright portion 72 of the mounting stay 70 or a narrow width, and is bolted to the upright portion 72 by a bolt 92A and a nut 92B. The distal end bending portion 81 of the sandwiching plate 80 can be clamped between the arcuate recess 73 of the mounting stay 70. The pipe 60 is covered with a cushion 61 made of a rubber tube or the like, and is sandwiched between the arcuate recess 73 of the mounting stay 70 and the distal end bending portion 81 of the sandwich plate 80 via the cushion 61. The cushion 61 is longer than the plate width of the upright portion 72 of the mounting stay 70, and is provided with both end flanges 61 </ b> A and 61 </ b> A and is prevented from coming off from the recess 73. The nut 92 </ b> B is welded to the back surface of the upright portion 72.

ここで、取付具30の固定部31は、図3に示す如く、ボルト孔31Aを中心とする円弧状外縁部32と、円弧状外縁部32の一端から外方に張り出る突起状の回り止め部33を備える。取付具30の固定部31にボルト止めされる取付ステー70の固定部71は、ボルト91Aを介して取付具30の固定部31に仮止めされた状態で、固定部31の円弧状外縁部32に沿って移動するようにボルト91Aまわりを揺動し、かつ固定部31の回り止め部33に係止し得る爪74を備え、その移動範囲において固定部31へのボルト止め位置を微調整可能にされる。   Here, as shown in FIG. 3, the fixing portion 31 of the fixture 30 includes an arcuate outer edge portion 32 centering on the bolt hole 31 </ b> A, and a protrusion-like detent protruding outward from one end of the arcuate outer edge portion 32. The unit 33 is provided. The fixing portion 71 of the mounting stay 70 bolted to the fixing portion 31 of the fixture 30 is temporarily fixed to the fixing portion 31 of the fixture 30 via the bolt 91A, and the arc-shaped outer edge portion 32 of the fixing portion 31. A claw 74 that swings around the bolt 91 </ b> A so as to move along the lock and that can be locked to the detent portion 33 of the fixing portion 31 is provided, and the bolting position to the fixing portion 31 can be finely adjusted in the moving range. To be.

従って、配管60の取付手順は以下の如くになされる。
(1)取付具30の固定部31に取付ステー70の固定部71をボルト91Aによりボルト止めする。このとき、取付ステー70の固定部71は、爪74が固定部31の円弧状外縁部32に沿って回り止め部33に係止するに至る移動範囲でボルト91Aまわりに揺動され、そのボルト止め位置を微調整される。
Therefore, the installation procedure of the pipe 60 is as follows.
(1) The fixing portion 71 of the mounting stay 70 is bolted to the fixing portion 31 of the fixture 30 with a bolt 91A. At this time, the fixing portion 71 of the mounting stay 70 is swung around the bolt 91A within a moving range in which the claw 74 is engaged with the anti-rotation portion 33 along the arc-shaped outer edge portion 32 of the fixing portion 31. The stop position is finely adjusted.

(2)取付ステー70の円弧状凹部73にクッション61を介して配管60を嵌め込み、この配管60を挟持する挟み板80を取付ステー70の起立部72にボルト92Aを用いてボルト止めする。   (2) The pipe 60 is fitted into the arcuate recess 73 of the mounting stay 70 via the cushion 61, and the clamping plate 80 sandwiching the pipe 60 is bolted to the standing part 72 of the mounting stay 70 using the bolt 92 </ b> A.

本実施例によれば以下の作用効果を奏する。
(a)ステアリングギヤハウジング11を車体側に取付ける取付具30を、配管60の取付けのために兼用する。従って、配管60の取付けのための部品点数を削減し、配管60の取付作業性も向上できる。
According to the present embodiment, the following operational effects can be obtained.
(a) The mounting tool 30 for mounting the steering gear housing 11 on the vehicle body side is also used for mounting the pipe 60. Therefore, the number of parts for mounting the pipe 60 can be reduced, and the mounting workability of the pipe 60 can be improved.

(b)ステアリングギヤハウジング11に固定された取付具30にボルト止めされて固定化される取付ステー70に配管60を取付ける。従って、取付具30に固定された取付ステー70による配管60のステアリングギヤハウジング11に対する取付位置(方向性)は一義的に定まり、配管60の取付作業性を向上できる。   (b) The pipe 60 is attached to the mounting stay 70 that is bolted to the fixture 30 fixed to the steering gear housing 11 and fixed. Therefore, the mounting position (direction) of the pipe 60 with respect to the steering gear housing 11 by the mounting stay 70 fixed to the fixture 30 is uniquely determined, and the mounting workability of the pipe 60 can be improved.

(請求項2)
(c)配管60は、取付ステー70の円弧状凹部73に嵌め込まれ、挟み板80により挟持される。従って、取付ステー70に対する配管60の着脱性は簡易かつ確実である。
(Claim 2)
(c) The pipe 60 is fitted into the arcuate recess 73 of the mounting stay 70 and is sandwiched by the sandwiching plate 80. Therefore, the detachability of the pipe 60 with respect to the mounting stay 70 is simple and reliable.

(請求項3)
(d)取付ステー70の固定部71を取付具30の固定部31にボルト止めする過程で、取付ステー70の爪74は取付具30の円弧状外縁部32に沿って移動し、その移動端で取付具30の回り止め部33に係止して止まる。従って、取付具30に対する取付ステー70の固定位置はボルト91Aまわりで簡易に揺動して微調整でき、配管60の取付位置(方向性)を簡易に微調整する等、配管60の取付作業性を向上できる。
(Claim 3)
(d) In the process of bolting the fixing portion 71 of the mounting stay 70 to the fixing portion 31 of the mounting tool 30, the claw 74 of the mounting stay 70 moves along the arcuate outer edge portion 32 of the mounting tool 30, and the moving end thereof Then, it is locked by the rotation preventing portion 33 of the fixture 30 and stopped. Therefore, the fixing position of the mounting stay 70 with respect to the mounting tool 30 can be easily adjusted by swinging around the bolt 91A, and the mounting workability of the pipe 60 such as easily adjusting the mounting position (directionality) of the pipe 60 can be performed. Can be improved.

以上、本発明の実施例を図面により詳述したが、本発明の具体的な構成はこの実施例に限られるものではなく、本発明の要旨を逸脱しない範囲の設計の変更等があっても本発明に含まれる。   The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention.

図1はパワーステアリング装置を示す全体断面図である。FIG. 1 is an overall cross-sectional view showing a power steering apparatus. 図2は図1の要部断面図である。FIG. 2 is a cross-sectional view of the main part of FIG. 図3は図1のIII方向の矢視図である。FIG. 3 is a view in the direction of the arrow III in FIG. 図4は図1のIV方向の矢視図である。FIG. 4 is an arrow view in the IV direction of FIG. 図5は取付ステーを示す模式図である。FIG. 5 is a schematic view showing the mounting stay. 図6は挟み板を示す模式図である。FIG. 6 is a schematic view showing a sandwiching plate.

符号の説明Explanation of symbols

10 パワーステアリング装置
11 ステアリングギヤハウジング
12 ラック軸
22 入力軸
30 取付具
31 固定部
31A ボルト孔
32 円弧状外縁部
33 回り止め部
60 配管
70 取付ステー
71 固定部
71A ボルト孔
74 爪
73 円弧状凹部
80 挟み板
91A ボルト
DESCRIPTION OF SYMBOLS 10 Power steering apparatus 11 Steering gear housing 12 Rack shaft 22 Input shaft 30 Fixing tool 31 Fixing part 31A Bolt hole 32 Arc-shaped outer edge part 33 Anti-rotation part 60 Pipe 70 Mounting stay 71 Fixing part 71A Bolt hole 74 Claw 73 Arc-shaped recessed part 80 Clipping plate 91A bolt

Claims (3)

ステアリング入力軸に連動するラック軸をステアリングギヤハウジングに移動可能に収容し、ステアリングギヤハウジングに固定されて該ステアリングギヤンハウジングを車体側に取付ける取付具を備え、圧力流体を導く配管を備えてなるパワーステアリング装置において、
前記配管が取付けられる取付ステーの固定部を前記取付具の固定部にボルト止めしてなることを特徴とするパワーステアリング装置。
A rack shaft that is linked to the steering input shaft is movably accommodated in the steering gear housing, and includes a fitting that is fixed to the steering gear housing and attaches the steering gear housing to the vehicle body side, and a pipe that guides the pressure fluid. In the power steering device,
A power steering device, wherein a fixing portion of an attachment stay to which the pipe is attached is bolted to a fixing portion of the fixture.
前記取付ステーが前記配管を嵌め込み可能にする円弧状凹部を備え、該凹部との間に該配管を挟持可能にする挟み板を該取付ステーにボルト止め可能にする請求項1に記載のパワーステアリング装置。   2. The power steering according to claim 1, wherein the mounting stay includes an arc-shaped recess that allows the piping to be fitted therein, and a clip plate that allows the piping to be clamped between the mounting stay is bolted to the mounting stay. apparatus. 前記取付具の固定部がボルト孔を中心とする円弧状外縁部と、該外縁部の一端から外方に張り出る回り止め部を備え、
前記取付ステーの固定部が上記取付具の円弧状外縁部に沿って移動し、かつ該取付具の回り止め部に係止し得る爪を備える請求項1又は2に記載のパワーステアリング装置。
The fixing portion of the fixture comprises an arcuate outer edge centered on the bolt hole, and a detent portion projecting outward from one end of the outer edge,
3. The power steering device according to claim 1, further comprising a claw that allows the fixing portion of the mounting stay to move along an arcuate outer edge portion of the mounting tool and be locked to a rotation stopper of the mounting tool.
JP2006049237A 2006-02-24 2006-02-24 Power steering device Expired - Fee Related JP4801467B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109278909A (en) * 2017-07-19 2019-01-29 本田技研工业株式会社 Straddle-type vehicle

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JPH0211772U (en) * 1988-07-07 1990-01-25
JPH0218773U (en) * 1988-07-25 1990-02-07
JPH0265677U (en) * 1988-11-09 1990-05-17
JPH035678U (en) * 1989-06-06 1991-01-21
JPH0488706U (en) * 1990-05-28 1992-07-31
JPH10287256A (en) * 1997-04-17 1998-10-27 Toyota Motor Corp Return pipe device for power steering device
JP2004132458A (en) * 2002-10-10 2004-04-30 Showa Corp Conduit holding bracket

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Publication number Priority date Publication date Assignee Title
JPH0211772U (en) * 1988-07-07 1990-01-25
JPH0218773U (en) * 1988-07-25 1990-02-07
JPH0265677U (en) * 1988-11-09 1990-05-17
JPH035678U (en) * 1989-06-06 1991-01-21
JPH0488706U (en) * 1990-05-28 1992-07-31
JPH10287256A (en) * 1997-04-17 1998-10-27 Toyota Motor Corp Return pipe device for power steering device
JP2004132458A (en) * 2002-10-10 2004-04-30 Showa Corp Conduit holding bracket

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109278909A (en) * 2017-07-19 2019-01-29 本田技研工业株式会社 Straddle-type vehicle
US10780936B2 (en) 2017-07-19 2020-09-22 Honda Motor Co., Ltd. Straddle-type vehicle

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