JPH0555344B2 - - Google Patents
Info
- Publication number
- JPH0555344B2 JPH0555344B2 JP17903286A JP17903286A JPH0555344B2 JP H0555344 B2 JPH0555344 B2 JP H0555344B2 JP 17903286 A JP17903286 A JP 17903286A JP 17903286 A JP17903286 A JP 17903286A JP H0555344 B2 JPH0555344 B2 JP H0555344B2
- Authority
- JP
- Japan
- Prior art keywords
- gear
- soft
- cylindrical member
- hard
- internal gear
- 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 - Lifetime
Links
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229920003051 synthetic elastomer Polymers 0.000 claims description 4
- 239000005061 synthetic rubber Substances 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/10—Hubs; Connecting hubs to steering columns, e.g. adjustable
- B62D1/105—Non-rotatable hubs, e.g. the central part of the steering wheel not rotating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Gears, Cams (AREA)
- Steering Controls (AREA)
- Gear Transmission (AREA)
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、自動車などのステアリング装置に関
するもので、とくにステアリングホイールの中央
部のパツド部が非回転状態を保持するものに関す
る。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a steering device for automobiles, etc., and particularly relates to a steering device in which a pad portion at the center of a steering wheel maintains a non-rotating state. .
（従来の技術）
近時、ステアリングホイールの中央部のパツド
部に各種操作機構の操作部を配置したものが用い
られるようになつているが、この場合、ステアリ
ングホイールの回転に際してパツド部を非回転状
態に保持する必要がある。(Prior Art) In recent years, steering wheels have come into use in which the operating parts of various operating mechanisms are arranged on the pad part at the center of the steering wheel. need to be kept in state.
従来、このようなパツド部を非回転状態にする
ものとしては、たとえば、特開昭60−203549号公
報のものが提案されている。 Conventionally, as a device for setting such a pad portion in a non-rotating state, for example, a method has been proposed in Japanese Patent Application Laid-open No. 60-203549.
この従来の装置は、ステアリングホイールの中
央位置にステアリングシヤフトに固定するボスを
設け、このボスの外周に、外周内側に内歯車を有
するとともに上部にパツドを設けた上側筒状部材
を回転自在に嵌合し、さらに、この上側筒状部材
の下方位置に、外周内側に内歯車を有する下側筒
状部材を回転自在に嵌合し、この下側筒状部材を
上記ステアリングシヤフトを挿通したステアリン
グコラムなどに固着している。 This conventional device has a boss fixed to the steering shaft at the center of the steering wheel, and an upper cylindrical member having an internal gear on the inside of the outer periphery and a pad on the top is rotatably fitted around the outer periphery of the boss. Further, a lower cylindrical member having an internal gear on the inside outer periphery is rotatably fitted in a lower position of the upper cylindrical member, and the lower cylindrical member is connected to a steering column through which the steering shaft is inserted. It is stuck to etc.
また、上記上側筒状部材および下側筒状部材の
内歯車に噛合する遊星歯車が上記ボスに固着され
た支持枠に回転自在に軸架されている。 Furthermore, a planetary gear meshing with the internal gears of the upper and lower cylindrical members is rotatably mounted on a support frame fixed to the boss.
そうして、ステアリングホイールを回転する
と、遊星歯車が静止された下側筒状部材の内歯車
との噛合を介して自転しつつ公転し、かつ、遊星
歯車と上側筒状部材の内歯車との噛合を介して上
側筒状部材を静止状態に保持するようになつてい
る。 Then, when the steering wheel is rotated, the planetary gear rotates and revolves through engagement with the internal gear of the lower cylindrical member, which is stationary, and the planetary gear and the internal gear of the upper cylindrical member engage with each other. The upper cylindrical member is held stationary through engagement.
また、上記遊星歯車は、上記上側筒状部材およ
び下側筒状部材の内歯車に噛合する部分を、内歯
車に常に接していて軟質合成樹脂またはゴム材質
からなる軟質歯車部と、間隙を有して硬質合成樹
脂または金属からなる硬質歯車部とに分けて並設
し、そして、通常は軟質歯車部で内歯車に噛合し
て噛合による異音の発生を防止しており、また、
急激なハンドル操作や上記パツドに回転方向への
外力が作用した場合に、軟質歯車部が変形しても
硬質歯車部が内歯車に噛合することにより、歯と
びを防止して確実に非回転状態を維持するように
なつている。 In addition, the planetary gear has a portion of the upper cylindrical member and the lower cylindrical member that meshes with the internal gear with a soft gear portion that is always in contact with the internal gear and is made of a soft synthetic resin or rubber material, and has a gap therebetween. The inner gear is separated from the hard gear made of hard synthetic resin or metal and arranged side by side, and the soft gear usually meshes with the internal gear to prevent noise from occurring due to meshing.
Even if the soft gear part deforms when a sudden handle operation or an external force is applied to the pad in the rotational direction, the hard gear part meshes with the internal gear, preventing tooth skipping and ensuring a non-rotating state. is now being maintained.
（発明が解決しようとする問題点）
しかし、上記のような構造の遊星歯車では、そ
の遊星歯車を製造するにあたつて、たとえば、回
転軸とともに硬質歯車部を一体成形し、これに軟
質歯車部を射出成形によつて一体成形するが、硬
質歯車部に並んでその硬質歯車部とは別に軟質歯
車部を一体成形するため、成形が困難であり、量
産に適さない構造であつた。(Problems to be Solved by the Invention) However, in manufacturing the planetary gear with the above structure, for example, a hard gear part is integrally molded with the rotating shaft, and a soft gear part is attached to this. However, since the soft gear part is integrally molded alongside the hard gear part and separately from the hard gear part, molding is difficult and the structure is not suitable for mass production.
また、急激なハンドル操作やパツドに回転方向
への外力が作用した場合に、硬質歯車が内歯車に
直接当接して歯車噛合による異音を生じる問題が
あつた。 In addition, when the handle is suddenly operated or an external force is applied to the pad in the rotational direction, the hard gear directly contacts the internal gear, causing abnormal noise due to the meshing of the gears.
本発明は上述のような問題点に鑑みなされたも
ので、遊星歯車の構造を成形上容易にして量産に
適したものとするとともに、急激なハンドル操作
やパツドに回転方向への外力が作用した場合にも
歯車噛合による異音の発生を防止できるステアリ
ング装置を提供することを目的とするものであ
る。 The present invention was developed in view of the above-mentioned problems, and it is intended to make the structure of a planetary gear easy to mold and suitable for mass production, and also to prevent sudden handle operation and external force acting on the pad in the direction of rotation. It is an object of the present invention to provide a steering device that can prevent the occurrence of abnormal noise due to gear meshing even in cases where gears mesh with each other.
（問題点を解決するための手段）
本発明はステアリング装置は、リム部４、スポ
ーク部７およびボス８を有しそのボス８によつて
ステアリングシヤフト１４に固着するステアリン
グホイール本体１と、上記ボス８の外周に回転自
在に嵌合され外周内側に内歯車２３を有するとと
もに上部にパツド５４を設けた上側筒状部材２０
と、この上側筒状部材２０の下方において実質的
に非回転状態に固定された外周内側に内歯車２８
を有する下側筒状部材２５と、上記上側筒上部材
２０および下側筒状部材２５の内歯車２３，２８
に噛合され上記ボス８と共動回転する遊星歯車３
８とを備え、上記遊星歯車３８は、上記上側筒状
部材２０および下側筒状部材２５の内歯車２３，
２８に噛合する部分を、軟質合成樹脂またはゴム
材質からなり上記内歯車２３，２８に常に接して
いる軟質歯車３９と、硬質合成樹脂または金属か
らなる硬質インサート歯車体４１を上記軟質歯車
部３９と一体の軟質被覆部４２が被覆してなり上
記内歯車２３，２８に対し間隙を有する硬質歯車
部４０とで形成したものである。
(Means for Solving the Problems) The present invention provides a steering device including a steering wheel main body 1 which has a rim portion 4, spoke portions 7 and bosses 8 and is fixed to a steering shaft 14 by the bosses 8, The upper cylindrical member 20 is rotatably fitted on the outer periphery of 8 and has an internal gear 23 inside the outer periphery and a pad 54 on the upper part.
An internal gear 28 is disposed below the upper cylindrical member 20 on the inner side of the outer periphery which is fixed in a substantially non-rotating state.
and internal gears 23 and 28 of the upper cylindrical member 20 and the lower cylindrical member 25.
a planetary gear 3 that is meshed with the boss 8 and rotates together with the boss 8;
8, the planetary gear 38 includes the internal gears 23 of the upper cylindrical member 20 and the lower cylindrical member 25,
28 is a soft gear 39 made of a soft synthetic resin or rubber material and always in contact with the internal gears 23 and 28, and a hard insert gear body 41 made of a hard synthetic resin or metal is the soft gear part 39. The internal gears 23 and 28 are covered with an integral soft covering part 42, and are formed with a hard gear part 40 having a gap therebetween.
（作用）
本発明のステアリング装置は、遊星歯車３８の
硬質歯車部４０を硬質インサート歯車体４１に軟
質歯車部３９と一体の軟質被覆部４２で被覆する
構造としたことにより、軟質歯車部３９を一体成
形する上で容易となり、また、急激なハンドル操
作時やパツド５４に回転方向への外力が作用した
場合でも、硬質歯車部４０の硬質インサート歯車
体４１は軟質被覆部４２を介して内歯車２３，２
８に噛合するようにしたものである。(Function) The steering device of the present invention has a structure in which the hard gear part 40 of the planetary gear 38 is covered with the soft coating part 42 that is integrated with the soft gear part 39 on the hard insert gear body 41. The hard insert gear body 41 of the hard gear part 40 is easily connected to the internal gear via the soft covering part 42 even when the handle is suddenly operated or an external force is applied to the pad 54 in the direction of rotation. 23,2
8 to mesh with each other.
（実施例）
以下、本発明の一実施例の構成を図面を参照し
て説明する。(Example) Hereinafter, the configuration of an example of the present invention will be described with reference to the drawings.
第２図および第３図において、１はステアリン
グホイール本体で、このステアリングホイール本
体１は、リム芯金２の外側を被覆材３で覆つた円
環状のリム部４、上記リム芯金２に溶接連結した
板状のスポーク芯金５の外側を被覆材６で覆つた
板状のスポーク部７および上記スポーク芯金５の
中心部に溶接固着したボス８を有している。この
ボス８は、中間部に円環状のフランジ部９が一体
に設けられているとともに、このフランジ部９の
上下部に円筒部１０，１１が設けられ、この両円
筒部１０，１１の外端外周部にリング溝１２，１
３が形成されている。そして、ボス８の中心部を
ステアリングシヤフト１４の上端部に嵌合してナ
ツト１５で締着固定されている。 In FIGS. 2 and 3, 1 is a steering wheel body, and this steering wheel body 1 includes an annular rim portion 4 having a rim core metal 2 covered with a covering material 3 on the outside, and a ring-shaped rim portion 4 that is welded to the rim core metal 2. It has a plate-shaped spoke part 7 in which the outer side of the connected plate-shaped spoke core metal 5 is covered with a coating material 6, and a boss 8 welded and fixed to the center of the spoke core metal 5. This boss 8 is integrally provided with an annular flange portion 9 in the middle portion, and cylindrical portions 10 and 11 are provided at the upper and lower portions of this flange portion 9, and the outer ends of both cylindrical portions 10 and 11 are provided. Ring groove 12,1 on the outer periphery
3 is formed. Then, the center portion of the boss 8 is fitted into the upper end portion of the steering shaft 14 and fixed by a nut 15.
第１図および第４図にも示すように、２０は硬
質合成樹脂で一体に形成した円筒状の上側筒状部
材で、この上側筒状部材２０は、内側の嵌合筒部
２１および外周の円環状部２２を有し、この円環
状部２２の内側に、歯車２３ａおよびこの歯車２
３ａの下部にやや大径に設けられた歯部２３ｂと
から構成される内歯車２３が形成されている。そ
して、内側の嵌合筒部２１が上記ボス８の円筒部
１０の外周に回転自在に嵌合されているととも
に、ボス８のリング溝１２に嵌合筒部２１の上面
に当接した抜け止め用スナツプリング２４が嵌着
されている。 As shown in FIGS. 1 and 4, 20 is a cylindrical upper cylindrical member integrally formed of hard synthetic resin, and this upper cylindrical member 20 includes an inner fitting cylindrical portion 21 and an outer periphery. It has an annular portion 22, and a gear 23a and a gear 2 are provided inside the annular portion 22.
An internal gear 23 is formed at the lower part of the gear 3a and a toothed portion 23b having a slightly larger diameter. The inner fitting cylindrical portion 21 is rotatably fitted to the outer periphery of the cylindrical portion 10 of the boss 8, and a retainer is provided in the ring groove 12 of the boss 8 in contact with the upper surface of the fitting cylindrical portion 21. A snap spring 24 is fitted.
２５は硬質合成樹脂で一体に形成した円筒状の
下側筒状部材で、この下側筒状部材２５は、内側
の嵌合筒部２６および外周の円環状部２７を有
し、この円環状部２７の内側に、歯部２８ａおよ
びこの歯部２８ａの上部にやや大径に設けられた
歯部２８ｂとから構成される内歯車２８が形成さ
れている。そして、内側の嵌合筒部２６が上記ボ
ス８の円筒部１１の外周に回転自在に嵌合されて
いるとともに、ボス８のリング溝１３に嵌合筒部
２６の下面に当接した抜け止め用のスナツプリン
グ２９が嵌着されている。また、この下側筒状部
材２５に上記ステアリングシヤフト１４を挿通し
たステアリングコラム３０側に対して実質的に固
定する固定機構３１が設けられている。この固定
機構３１は、下側筒状部材２５の下面に複数個の
回転防止用の突起３２を一体に突設するととも
に、ステアリングコラム３０に固定されたコンビ
ネーシヨンスイツチケース３３に各突起３２に対
応する係合孔３４を形成し、各突起３２を各係合
孔３４内に係合して下側筒状部材２５を回り止め
する。 25 is a cylindrical lower cylindrical member integrally formed of hard synthetic resin, and this lower cylindrical member 25 has an inner fitting tube part 26 and an outer annular part 27; An internal gear 28 is formed inside the portion 27 and includes a toothed portion 28a and a toothed portion 28b provided above the toothed portion 28a with a slightly larger diameter. The inner fitting cylindrical portion 26 is rotatably fitted to the outer periphery of the cylindrical portion 11 of the boss 8, and a retainer is provided in the ring groove 13 of the boss 8 in contact with the lower surface of the fitting cylindrical portion 26. A snap spring 29 for use is fitted. Further, a fixing mechanism 31 is provided on the lower cylindrical member 25 to substantially fix it to the steering column 30 through which the steering shaft 14 is inserted. This fixing mechanism 31 has a plurality of protrusions 32 for preventing rotation integrally protruding from the lower surface of the lower cylindrical member 25, and each protrusion 32 corresponds to a combination switch case 33 fixed to the steering column 30. The lower cylindrical member 25 is prevented from rotating by engaging each protrusion 32 into each engaging hole 34.
上記スポーク芯金５の中央部近くにほぼコ字形
の支持枠３５が取付片３６を介してねじ３７で固
着され、この支持枠３５に遊星歯車３８が回転自
在に軸架されている。この遊星歯車３８は、遊星
歯車３８の上側筒状部材２０および下側筒状部材
２５の内歯車２３，２８に噛合する上下部分にお
いて、端部側に軟質歯車部３９が設けられるとと
もに中間側に硬質歯車部４０が設けられている。
この軟質歯車部３９は、たとえばナイロン、ポリ
エステルエラストマーなどの軟質合成樹脂または
ゴム材質によつて形成され、内歯車２３，２８の
歯部２３ａ，２８ａに常に接しており、また、硬
質歯車部４０は、たとえばポリアセタール、ポリ
カーボネート、ABSなどの硬質合成樹脂または
金属からなる軟質歯車部３９よりやや小径の硬質
インサート歯車体４１を軟質歯車部３９と一体の
軟質被覆部４２が被覆して軟質歯車部３９と同径
に形成され、内歯車２３，２８の歯部２３ｂ，２
８ｂ噛合可能であるが通常は間隙を有している。
また、この遊星歯車３８の上下端面に、硬質イン
サート歯車体４１の上下端面に一体に成形されさ
支軸４３が突出され、この支軸４３が上記支持枠
３５に嵌着された軸受４４に回転自在に嵌合し
て、支軸枠３５に対して遊星歯車３８が回転自在
に支持されている。 A substantially U-shaped support frame 35 is fixed near the center of the spoke core metal 5 with a screw 37 via a mounting piece 36, and a planetary gear 38 is rotatably mounted on this support frame 35. This planetary gear 38 is provided with a soft gear part 39 on the end side and a soft gear part 39 on the middle side in the upper and lower parts meshing with the internal gears 23 and 28 of the upper cylindrical member 20 and the lower cylindrical member 25 of the planetary gear 38. A hard gear portion 40 is provided.
The soft gear portion 39 is made of a soft synthetic resin or rubber material such as nylon or polyester elastomer, and is always in contact with the tooth portions 23a and 28a of the internal gears 23 and 28. For example, a hard insert gear body 41 made of hard synthetic resin such as polyacetal, polycarbonate, ABS, or metal, and having a diameter slightly smaller than that of the soft gear part 39 is covered by a soft coating part 42 that is integrated with the soft gear part 39 to form the soft gear part 39. The tooth portions 23b and 2 of the internal gears 23 and 28 are formed to have the same diameter.
8b Can be engaged, but usually has a gap.
Further, a support shaft 43 is formed integrally with the upper and lower end surfaces of the hard insert gear body 41 and protrudes from the upper and lower end surfaces of the planetary gear 38, and this support shaft 43 is rotated by a bearing 44 fitted in the support frame 35. A planetary gear 38 is rotatably supported on the support shaft frame 35 by being freely fitted.
そして、この遊星歯車３８の製造にあたつて
は、支軸４３とともに硬質インサート歯車体４１
を一体成形し、この硬質インサート歯車体４１を
成形型内に配置して射出成形により軟質歯車部３
９および軟質被覆部４２を一体成形する。なお、
硬質インサート歯車体４１の歯の数個の両側歯面
には、突起４５が設けられ、硬質インサート歯車
体４１を成形型内に配置した際にその突起４５が
成形型の内面に当接して硬質インサート歯車体４
１を成形型の略中央に配置させ、硬質インサート
歯車体４１の各歯面に均等厚みに軟質被覆部４２
を形成するようになつており、この突起４５とし
ては、図に示すように歯面に沿つて軸方向に長く
設けても、あるいは、１個所のみに設けてもよい
が、内歯車２３，３８の歯部２３ｂ，２８ｂとの
当接を避けるためその歯部２３ｂ，２８ｂと噛合
しない位置に設けることが望ましい。 In manufacturing this planetary gear 38, the hard insert gear body 41 is used together with the support shaft 43.
This hard insert gear body 41 is placed in a mold, and the soft gear part 3 is formed by injection molding.
9 and the soft covering portion 42 are integrally molded. In addition,
Protrusions 45 are provided on both side surfaces of some of the teeth of the hard insert gear body 41, and when the hard insert gear body 41 is placed in a mold, the protrusions 45 come into contact with the inner surface of the mold, causing the hard insert gear body 41 to harden. Insert gear body 4
1 is placed approximately in the center of the mold, and a soft coating portion 42 is placed on each tooth surface of the hard insert gear body 41 with an equal thickness.
This protrusion 45 may be provided long in the axial direction along the tooth surface as shown in the figure, or may be provided only at one location, but the protrusion 45 may be provided at only one location. In order to avoid contact with the toothed portions 23b, 28b, it is desirable to provide it at a position that does not mesh with the toothed portions 23b, 28b.
上記上側筒状部材２０上に電気ユニツト５０が
取付片５１を介してねじ５２で取付けられ、この
電気ユニツト５０の上面に複数個の操作ボタン５
３が並設されている。そして、上記電気ユニツト
５０を被つてかつ各操作ボタン５３を突出した状
態でパツド５４が被嵌されている。 An electric unit 50 is mounted on the upper cylindrical member 20 with screws 52 via a mounting piece 51, and a plurality of operation buttons 5 are mounted on the upper surface of the electric unit 50.
3 are installed in parallel. A pad 54 is fitted over the electric unit 50 with each operation button 53 protruding.
そうして、ステアリングホイール本体１を回転
すると、遊星歯車３８が静止された下側筒状部材
２５の内歯車２８との噛合を介して自転しつつ公
転し、かつ、遊星歯車３８と上側筒上部材２０の
内歯車２３との噛合を介して上側筒状部材２０と
ともに電気ユニツト５０およびパツド５４が静止
状態に保持される。 Then, when the steering wheel main body 1 is rotated, the planetary gear 38 rotates and revolves through engagement with the internal gear 28 of the stationary lower cylindrical member 25, and the planetary gear 38 and the upper cylindrical member Through the engagement of the member 20 with the internal gear 23, the upper cylindrical member 20, the electric unit 50, and the pad 54 are held stationary.
この際、通常は、第５図のように（この図では
遊星歯車３８と内歯車２３との噛合を示す）、遊
星歯車３８の軟質歯車部３９が内歯車２３，２８
の歯部２３ａ，２８ａに当接して噛合しており、
通常の操作時には第５図に示した状態のように、
軟質歯車部３９のみで非回転状態が保たれてい
る。したがつて、歯車噛合による異音は発生しな
い。 At this time, normally, as shown in FIG.
The tooth portions 23a and 28a are in contact with and mesh with each other,
During normal operation, as shown in Figure 5,
A non-rotating state is maintained only by the soft gear portion 39. Therefore, no abnormal noise is generated due to gear meshing.
また、何らかの急激なハンドル操作時やパツド
５４に回転方向への外力が作用した場合、第６図
のように（第５図と同様に遊星歯車３８と内歯車
２３との噛合を示す）、軟質歯車部３９が大きく
変形しても、硬質歯車部４０が内歯車２３，２８
の歯部２３ｂ，２８ｂに噛合するので、非回転状
態は確実に維持でき、しかも、その硬質歯車部４
０の硬質インサート歯車体４１が軟質被覆部４２
を介して当接するので、歯車噛合による異音は発
生しない。 In addition, when the handle is suddenly operated or an external force is applied to the pad 54 in the rotational direction, the soft Even if the gear part 39 is greatly deformed, the hard gear part 40 will not be able to maintain the internal gears 23, 28.
Since the gear meshes with the teeth 23b and 28b of the hard gear 4, the non-rotating state can be maintained reliably.
0 hard insert gear body 41 is soft covering part 42
Since the contact occurs through the gears, no abnormal noise is generated due to gear meshing.
本発明によれば、遊星歯車の硬質歯車を硬質イ
ンサート歯車体に軟質歯車部と一体の軟質被覆部
で被覆する構成としたことにより、軟質歯車部を
硬質インサート歯車体に容易に一定成形でき、遊
星歯車を量産する上で有効であり、また、急激な
ハンドル操作時やパツドに回転方向への外力が作
用した場合でも、硬質歯車部の硬質インサート歯
車体は軟質被覆部を介して内歯車に当接すること
により、その歯車噛合による異音の発生を防止す
ることができる。
According to the present invention, by configuring the hard gear of the planetary gear to be covered with the soft coating part integrated with the soft gear part on the hard insert gear body, the soft gear part can be easily and uniformly molded into the hard insert gear body. It is effective in mass producing planetary gears, and even when the handle is suddenly operated or an external force is applied to the pad in the direction of rotation, the hard insert gear body of the hard gear part will not connect to the internal gear through the soft coating. By making contact, it is possible to prevent the generation of abnormal noise due to gear meshing.
第１図は本発明のステアリング装置の一実施例
を示す要部の一部を切欠いた斜視図、第２図はそ
の全体の断面図、第３図はその一部の拡大断面
図、第４図はその要部の断面図、第５図および第
６図はその作動説明図である。
１……ステアリングホイール本体、４……リム
部、７……スポーク部、８……ボス、１４……ス
テアリングシヤフト、２０……上側筒状部材、２
３……内歯車、２５……下側筒状部材、２８……
内歯車、３８……遊星歯車、３９……軟質歯車
部、４０……硬質歯車部、４１……硬質インサー
ト歯車体、４２……軟質被覆部、５４……パツ
ド。
FIG. 1 is a partially cutaway perspective view showing an embodiment of the steering device of the present invention, FIG. 2 is a sectional view of the entirety, FIG. 3 is an enlarged sectional view of a portion thereof, and FIG. The figure is a sectional view of the main part, and FIGS. 5 and 6 are explanatory diagrams of its operation. DESCRIPTION OF SYMBOLS 1... Steering wheel body, 4... Rim part, 7... Spoke part, 8... Boss, 14... Steering shaft, 20... Upper cylindrical member, 2
3... Internal gear, 25... Lower cylindrical member, 28...
Internal gear, 38... Planetary gear, 39... Soft gear part, 40... Hard gear part, 41... Hard insert gear body, 42... Soft covering part, 54... Pad.
Claims (1)
スによつてステアリングシヤフトに固着するステ
アリングホイール本体と、 上記ボスの外周に回転自在に嵌合され外周内側
に内歯車を有するとともに上部にパツドを設けた
上側筒状部材と、 この上側筒状部材の下方において実質的に非回
転状態に固定され外周内側に内歯車を有する下側
筒状部材と、 上記上側筒状部材および下側筒状部材の内歯車
に噛合され上記ボスと共動回転する遊星歯車と、
を備え、 上記遊星歯車は、上記上側筒状部材および下側
筒状部材の内歯車に噛合する部分を、軟質合成樹
脂またはゴム材質からなり上記内歯車に常に接し
ている軟質歯車部と、硬質合成樹脂または金属か
らなる硬質インサート歯車体を上記軟質歯車部と
一体の軟質被覆部が被覆してなり上記内歯車に対
し間隙を有する硬質歯車部とで形成したことを特
徴とするステアリング装置。[Scope of Claims] 1. A steering wheel body having a rim portion, spoke portions, and a boss and fixed to the steering shaft by the boss; and an internal gear rotatably fitted on the outer periphery of the boss and having an internal gear inside the outer periphery. and an upper cylindrical member provided with a pad on the upper part; a lower cylindrical member fixed in a substantially non-rotating state below the upper cylindrical member and having an internal gear on the inside of its outer periphery; a planetary gear that meshes with the internal gear of the lower cylindrical member and rotates together with the boss;
The planetary gear comprises a soft gear portion made of a soft synthetic resin or rubber material and always in contact with the internal gear, and a hard gear portion that meshes with the internal gear of the upper and lower cylindrical members. 1. A steering device comprising a hard insert gear body made of synthetic resin or metal, covered with a soft coating part integral with the soft gear part, and a hard gear part having a gap with respect to the internal gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17903286A JPS6334284A (en) | 1986-07-30 | 1986-07-30 | Steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17903286A JPS6334284A (en) | 1986-07-30 | 1986-07-30 | Steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6334284A JPS6334284A (en) | 1988-02-13 |
| JPH0555344B2 true JPH0555344B2 (en) | 1993-08-16 |
Family
ID=16058918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17903286A Granted JPS6334284A (en) | 1986-07-30 | 1986-07-30 | Steering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6334284A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5554087B2 (en) * | 2010-02-24 | 2014-07-23 | トヨタ紡織株式会社 | Seat height adjustment device for vehicle seats |
| GB2581138B (en) * | 2019-01-30 | 2023-06-28 | Johnson Electric Int Ag | Multi-component gear |
| CN114432053B (en) * | 2021-12-29 | 2024-04-26 | 浙江夏厦精密制造股份有限公司 | Disabled person seat with low-noise precise speed reducer |
-
1986
- 1986-07-30 JP JP17903286A patent/JPS6334284A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6334284A (en) | 1988-02-13 |
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