JPH0120105B2 - - Google Patents
Info
- Publication number
- JPH0120105B2 JPH0120105B2 JP58113648A JP11364883A JPH0120105B2 JP H0120105 B2 JPH0120105 B2 JP H0120105B2 JP 58113648 A JP58113648 A JP 58113648A JP 11364883 A JP11364883 A JP 11364883A JP H0120105 B2 JPH0120105 B2 JP H0120105B2
- Authority
- JP
- Japan
- Prior art keywords
- rack
- resin
- core material
- guide
- rack guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 239000011162 core material Substances 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229920005992 thermoplastic resin Polymers 0.000 claims description 2
- 229920002302 Nylon 6,6 Polymers 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000011354 acetal resin Substances 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/12—Steering gears mechanical of rack-and-pinion type
- B62D3/123—Steering gears mechanical of rack-and-pinion type characterised by pressure yokes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Description
【発明の詳細な説明】
本発明はラツクピニオン型操向装置のラツクガ
イドに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a rack guide for a rack and pinion steering system.
この種ラツクガイドは、第１図及び第２図に示
すようにステアリングギヤボツクス１内に、一端
の軸受２を介して他端をフローテング状態に支持
されるラツク３をステアリングに連るピニオン４
にバツクラツシユのないように噛合せるため、ラ
ツク３の背面に弾接させて設けられるが、該ラツ
クガイド５は下面の円弧状の凹陥部を弾接面とし
た円柱状に形成されて、これをギヤボツクス１に
突設した円筒状のガイド室６内に嵌挿され、その
上面に載置されるばね７を該室６内に螺着される
ねじ８を介して圧縮することにより弾接されてい
る。そして該ガイド５はラツク３の摺動を円滑に
行わせるため摩擦抵抗が少ないこと、及びラツク
３に伝達される振動や衝撃的な荷重に対する圧縮
剛性が高いこと、更には衝撃荷重を受けたときの
衝撃音の少ないこと等が要求され、かゝる要求を
十分満足し得るものとして本出願人の一人は先に
実願昭57−115073号（実開昭59−18665号公報参
照）をもつてラツクガイド５を第３図に示すよう
に低摩擦係数の樹脂の表皮材５ａで覆われた圧縮
強度の高い樹脂の芯材５ｂをもつて形成したもの
を提案した。 As shown in FIGS. 1 and 2, this type of rack guide includes a pinion 4 connected to the steering wheel, and a rack 3, which is supported in a floating state at the other end via a bearing 2 at one end, in a steering gear box 1, as shown in FIGS. 1 and 2.
The rack guide 5 is provided in elastic contact with the rear surface of the rack 3 in order to mesh without backlash, but the rack guide 5 is formed in a cylindrical shape with an arcuate recess on the lower surface as the elastic contact surface. The guide chamber 6 is fitted into a cylindrical guide chamber 6 protruding from the guide chamber 1, and is brought into elastic contact by compressing a spring 7 placed on the upper surface of the guide chamber 6 through a screw 8 screwed into the chamber 6. . The guide 5 has low frictional resistance to allow the rack 3 to slide smoothly, has high compression rigidity against vibrations and impact loads transmitted to the rack 3, and has a high compression rigidity when subjected to impact loads. One of the present applicants previously filed Utility Model Application No. 115073-1983 (see Japanese Utility Model Application No. 18665-1988) as a device that could sufficiently satisfy such requirements. As shown in FIG. 3, we proposed a rack guide 5 having a core material 5b made of resin with high compressive strength and covered with a skin material 5a made of resin with a low coefficient of friction.
そして圧縮強度の高い樹脂の芯材としてはガラ
ス繊維を混入したものを開示したが、芯材の圧縮
強度は、ガラス繊維の混入度合の増加によつて増
すため次のような問題が生ずる。 A resin core material with high compressive strength mixed with glass fiber has been disclosed, but the compressive strength of the core material increases as the degree of glass fiber mixed therein increases, resulting in the following problems.
その１つは打音の音質が高くなり又音の伝達性
が良くなるため打音が一層大きくなることであ
り、他の１つは、芯材を被覆する表皮材との熱膨
脹差によつて使用中に割れを生ずることである。 One is that the sound quality of the hitting sound becomes higher and the sound transmission becomes better, making the hitting sound even louder.The other one is that the sound quality of the hitting sound becomes higher and the sound transmission becomes better, so the hitting sound becomes louder.The other one is that the hitting sound becomes louder due to the difference in thermal expansion between the core material and the skin material that covers it. Cracks occur during use.
そして本発明者等はこれらの欠点を改良するた
め種々究研を行つたところ一つの解決点を見出し
たものである。 The inventors of the present invention have conducted various research studies to improve these drawbacks and have found a solution.
即ちガラス繊維の混入によつて圧縮強度の高い
芯材を得ることができるが、そのガラス繊維の混
入率は重量比で20％以下であると芯材はラツクの
戻りを確実に支持することが出来ず、従つて20％
以上の混入率を必要とすることを確め、更に混入
率を高めると上述した問題を生じ、この点から混
入率は重量比で40％以下の混入率を必要とするも
のであることを確めたものである。 That is, a core material with high compressive strength can be obtained by mixing glass fiber, but if the percentage of glass fiber mixed is less than 20% by weight, the core material cannot reliably support the return of the rack. Not possible, therefore 20%
It was confirmed that a mixing rate of 40% or less by weight was required, and increasing the mixing rate further would cause the problems mentioned above. It's something I've earned.
なおガラス繊維を混入する樹脂としてはPBT
樹脂、ナイロン66、ポリアセタール樹脂等の熱可
塑性樹脂を用い又低摩擦係数の樹脂としては、含
油アセタール、含油ナイロン66、含油ナイロン12
等の含油プラスチツクを用い、その樹脂層は２mm
以下とした。 Note that PBT is used as the resin to which glass fiber is mixed.
Thermoplastic resins such as resin, nylon 66, and polyacetal resin are used.Resins with low friction coefficients include oil-impregnated acetal, oil-impregnated nylon 66, and oil-impregnated nylon 12.
The resin layer is 2mm thick.
The following was made.
そして望ましい樹脂の組合せとしては、芯材５
ｂに吸湿性が少く寸法安定性に優れ、且つ比較的
安質なガラス繊維30％強化ポリブチレンテレフタ
レートを用い表皮材５ａに同じく寸法変化の少な
い含油アセタール樹脂を用いたものが良い結果を
もたらす。又耐熱性を必要とする場合には芯材に
ガラス繊維強化のポリフエニレンサルフアイド樹
脂を用い、表皮材に含油ナイロン66樹脂を用いた
ものが良い結果を得た。 A desirable combination of resins is core material 5.
Good results can be obtained by using polybutylene terephthalate reinforced with 30% glass fiber, which has low hygroscopicity and excellent dimensional stability, for b, and using oil-impregnated acetal resin, which also has little dimensional change, for the skin material 5a. In addition, when heat resistance is required, good results were obtained by using glass fiber-reinforced polyphenylene sulfide resin for the core material and oil-impregnated nylon 66 resin for the skin material.
図面は本発明の一実施例を示すもので、第１図
は操向装置の断面図、第２図は第１図Ａ−Ａ線断
面図、第３図はラツクガイドの断面図である。
３……ラツク、４……ピニオン、５……ラツク
ガイド、５ａ……表皮材、５ｂ……芯材。
The drawings show one embodiment of the present invention; FIG. 1 is a sectional view of the steering device, FIG. 2 is a sectional view taken along the line A--A in FIG. 1, and FIG. 3 is a sectional view of the rack guide. 3... Rack, 4... Pinion, 5... Rack guide, 5a... Skin material, 5b... Core material.
Claims (1)
ガイドを弾接させ、該ラツクガイドを低摩擦係数
の樹脂の表皮材で覆われた圧縮強度の高い樹脂の
芯材をもつて形成したラツクピニオン型操向装置
のラツクガイドにおいて、前記芯材を、重量比で
20〜40％のガラス繊維を混入した熱可塑性樹脂を
もつて形成したことを特徴とするラツクピニオン
型操向装置のラツクガイド。1 Rack and pinion type steering in which a cylindrical rack guide is brought into elastic contact with a rack that engages with a pinion, and the rack guide is formed with a core material made of resin with high compressive strength and covered with a skin material made of resin with a low coefficient of friction. In the rack guide of the device, the core material is
A rack guide for a rack and pinion type steering device, characterized in that it is made of a thermoplastic resin mixed with 20 to 40% glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11364883A JPS608157A (en) | 1983-06-25 | 1983-06-25 | Rack guide for rack-pinion steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11364883A JPS608157A (en) | 1983-06-25 | 1983-06-25 | Rack guide for rack-pinion steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS608157A JPS608157A (en) | 1985-01-17 |
| JPH0120105B2 true JPH0120105B2 (en) | 1989-04-14 |
Family
ID=14617581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11364883A Granted JPS608157A (en) | 1983-06-25 | 1983-06-25 | Rack guide for rack-pinion steering system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS608157A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61168393A (en) * | 1985-01-19 | 1986-07-30 | 株式会社廣瀬製作所 | Bobbin thread residual amount detector of sewing machine |
| JPH01289763A (en) * | 1988-05-17 | 1989-11-21 | Koyo Seiko Co Ltd | Rack-and-pinion steering system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57141256U (en) * | 1981-02-27 | 1982-09-04 |
-
1983
- 1983-06-25 JP JP11364883A patent/JPS608157A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS608157A (en) | 1985-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4440440A (en) | Saddle rod for bicycles and like vehicles | |
| WO2000079513A1 (en) | Dampening holding device for the housing of an ultrasonic transducer and method of its production | |
| JPH0120105B2 (en) | ||
| EP0043728A3 (en) | Motor vehicle fascia assemblies | |
| CN210217940U (en) | Noise-reducing and shock-resistant gear chamber cover of diesel engine | |
| JPS55160880A (en) | Construction of watch | |
| JPH0110299Y2 (en) | ||
| JPS6216776A (en) | Ski board | |
| JPS591653U (en) | Automobile bumper mounting structure | |
| JPS60114663U (en) | fishing rod tip | |
| JPS60157581U (en) | Rack and pinion steering device | |
| JPS57209402A (en) | Axle for rolling stock | |
| JPH0239900Y2 (en) | ||
| JPS5890700A (en) | Sound isolating material | |
| JPS5912688U (en) | Shape pencil | |
| JPS58148164U (en) | Vehicle lid hinge structure | |
| JPH0110300Y2 (en) | ||
| JPS6062328U (en) | Transmission support device | |
| JPS6117375U (en) | steering gear box | |
| JPS6135261U (en) | Bulrush removal device in bevel gear mechanism | |
| JPS57160705A (en) | Leaf spring for vehicle | |
| JPS5872309U (en) | insulation board | |
| JPS5373732A (en) | Propulsive shaft for driving vehicle | |
| JPS6034253U (en) | drawer device | |
| JPS5826539U (en) | sliding member |