JPH08145069A - Shaft coupling - Google Patents
Shaft couplingInfo
- Publication number
- JPH08145069A JPH08145069A JP31244194A JP31244194A JPH08145069A JP H08145069 A JPH08145069 A JP H08145069A JP 31244194 A JP31244194 A JP 31244194A JP 31244194 A JP31244194 A JP 31244194A JP H08145069 A JPH08145069 A JP H08145069A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- sleeve
- fitting
- selection
- shaft coupling
- 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.)
- Pending
Links
Landscapes
- Steering Controls (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、自動車のステアリン
グ装置に使用されるエネルギ−吸収部を備えた軸継手に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shaft coupling having an energy absorbing portion for use in a steering device of an automobile.
【０００２】[0002]
【従来の技術】自動車のステアリング装置は、図３に示
すように、ハンドルを接続したスリ−ブ５に嵌合固定し
たシャフト６と前記スリ−ブ５及びシャフト６に外嵌さ
れるステアリングコラム２４からなる上記シャフト２
と、該上部シャフト２に連結され両側にユニバ−サルジ
ョイント３１、３２を設けた軸継手３と、該軸継手３に
連結されかつ図示しないステアリングギヤ装置に連結さ
れる下部シャフト１５とより構成されている。2. Description of the Related Art As shown in FIG. 3, a steering device for an automobile has a shaft 6 fitted and fixed to a sleeve 5 to which a steering wheel is connected, and a steering column 24 externally fitted to the sleeve 5 and the shaft 6. The shaft 2 consisting of
And a shaft joint 3 connected to the upper shaft 2 and provided with universal joints 31 and 32 on both sides, and a lower shaft 15 connected to the shaft joint 3 and a steering gear device (not shown). ing.
【０００３】前記ステアリングコラム２４の外側には自
動車室内の計器パネルに固定するコラムブラケット２５
及び２６を溶接等により固定し、内側にはハンドル１を
取り付けたスリ−ブ５と該スリ−ブ５と嵌合させ且つ端
部にユニバ−サルジョイント３１の一方のヨ−ク７を設
けたシャフト６とが貫通して配置される。また、軸継手
３は前記ヨ−ク７とクロスピン９により連結されたヨ−
ク８を設けたスリ−ブ１４と、シャフト４を設けたヨ−
ク１２とクロスピン１１により連結されたヨ−ク１３を
設けかつ前記スリ−ブ１４と嵌合するシャフト１０等で
構成されている。尚、スリ−ブ１４と前記シャフト１０
とはセレ−ション嵌合させてある。また、下部シャフト
１５は、前記ヨ−ク１２のシャフト４と該シャフト４と
嵌合し図示しないステアリングギヤ装置に連結されたス
リ−ブ１６とよりなる。On the outside of the steering column 24, there is a column bracket 25 which is fixed to an instrument panel inside the automobile.
No. 26 and No. 26 are fixed by welding or the like, and a sleeve 5 having the handle 1 attached thereto is fitted to the inside of the sleeve 5, and one end yoke 7 of the universal joint 31 is provided. The shaft 6 is disposed so as to penetrate therethrough. Further, the shaft joint 3 is connected to the yoke 7 by a cross pin 9 to form a yoke.
Sleeve 14 provided with a shaft 8 and yaw provided with a shaft 4.
A yoke 13 connected by a crank 12 and a cross pin 11 is provided and is constituted by a shaft 10 and the like fitted with the sleeve 14. Incidentally, the sleeve 14 and the shaft 10
And are fitted in the selection. The lower shaft 15 is composed of the shaft 4 of the yoke 12 and a sleeve 16 fitted to the shaft 4 and connected to a steering gear device (not shown).
【０００４】通常、自動車のステアリング装置の軸継手
３には、安全装置として自動車の衝突の際、該ステアリ
ング装置を圧縮させるような衝撃吸収部が設けてある。
図４は前記シャフト１０とスリ−ブ１４とのセレ−ショ
ン嵌合を示す一部縦断面図である。即ち、シャフト１０
とスリ−ブ１４とはセレ−ション嵌合させると共に該シ
ャフト１０の途中に環状溝１０ａ及び１０ｂを設けると
共にスリ−ブ１４には該環状溝１０ａ及び１０ｂの位置
に合致するよう孔１４ａ及び１４ｂが設けられている。
そして該孔１４ａ及び１４ｂから環状溝１０ａ及び１０
ｂに合成樹脂１５を充填した構成としてある。こうして
衝突時シャフト１０とスリ−ブ１４との重合部分が収縮
する際充填された合成樹脂１５に剪断力が作用して衝突
時のエネルギ−を吸収するようになっている。Normally, the shaft coupling 3 of the steering device of the automobile is provided with a shock absorbing portion as a safety device for compressing the steering device in case of collision of the automobile.
FIG. 4 is a partial vertical cross-sectional view showing the selection fitting between the shaft 10 and the sleeve 14. That is, the shaft 10
The sleeve 14 and the sleeve 14 are engaged with each other by selection, and annular grooves 10a and 10b are provided in the shaft 10, and the sleeve 14 is provided with holes 14a and 14b so as to match the positions of the annular grooves 10a and 10b. Is provided.
From the holes 14a and 14b to the annular grooves 10a and 10
b is filled with the synthetic resin 15. In this way, the shearing force acts on the synthetic resin 15 filled when the overlapping portion of the shaft 10 and the sleeve 14 contracts at the time of collision to absorb the energy at the time of collision.
【０００５】[0005]
【発明が解決しようとする課題】上記するように、軸継
手におけるシャフト１０とスリ−ブ１４とのセレ−ショ
ン嵌合部に設けた環状溝１０ａ及び１０ｂに合成樹脂１
５、例えばポリアセタ−ル樹脂が充填され衝突時のエネ
ルギ−を吸収するようになっているが、この衝撃吸収部
が車室外のエンジンル−ム内にある場合、周囲の雰囲気
温度が高いため合成樹脂の強度が低下し所定の剪断荷重
が得られないことがある。また、合成樹脂の種類によっ
ては耐水性が劣り剪断荷重の低下を生じさせることがあ
る。このため近年はステアリングコラム２４等の車室内
に衝撃吸収部 を設けることが多くなっている。しか
し、車両のレイアウト上、衝撃吸収部車室外に配置する
必要が生じる場合があり、この場合、上記衝撃吸収部の
構成では適用が難しい。As described above, the synthetic resin 1 is provided in the annular grooves 10a and 10b provided in the selection fitting portion between the shaft 10 and the sleeve 14 in the shaft coupling.
5. For example, polyacetal resin is filled to absorb energy at the time of collision. However, when this shock absorbing portion is inside the engine room outside the vehicle compartment, the ambient temperature of the surroundings is high, so that it is synthesized. In some cases, the strength of the resin is reduced and a predetermined shear load cannot be obtained. Further, depending on the type of synthetic resin, the water resistance may be poor and the shear load may be reduced. For this reason, in recent years, an impact absorbing portion is often provided in the vehicle interior such as the steering column 24. However, due to the layout of the vehicle, it may be necessary to dispose the shock absorber outside the passenger compartment, and in this case, the structure of the shock absorber is difficult to apply.
【０００６】この発明は上記する課題に着目してなされ
たものであり、樹脂インジェクションを用いずに衝突時
の衝撃吸収部を車室の内、外のいずれにも設置すること
の出来るステアリング装置における軸継手を提供するこ
とを目的とする。The present invention has been made in view of the above-mentioned problems, and is directed to a steering device in which a shock absorbing portion at the time of a collision can be installed inside or outside a vehicle compartment without using resin injection. An object is to provide a shaft coupling.
【０００７】[0007]
【課題を解決するための手段】即ち、この発明は上記す
る課題を解決するために、シャフトと一端にユニバ−
サルジョイントを設けたスリ−ブとをセレ−ション嵌合
或いはスプライン嵌合させ、該嵌合部にエネルギ−吸収
部を配置してなる軸継手において、前記スリ−ブのセレ
−ション或いはスプラインを形成した側の端部外周に周
状段差を形成して薄肉とし、該段差部分へ筒状カバ−の
圧入嵌合により該段差部分を内径側に縮径させて前記シ
ャフトとスリ−ブのセレ−ション或いはスプライン間を
圧着し、該圧着部をエネルギ−吸収部としたことを特徴
とする。 また、前記筒状カバ−の端部をスリ−ブ端部より軸方
向に延長し、該延長部と前記シャフトとの間にシ−ルを
設けたことを特徴とする。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention has a shaft and a universal end.
In a shaft coupling in which a sleeve provided with a monkey joint is fitted by selection fitting or spline fitting, and an energy absorbing portion is arranged in the fitting portion, the selection or spline of the sleeve is provided. A circumferential step is formed on the outer periphery of the end on the formed side to make it thin, and the step portion is reduced in diameter by press fitting a cylindrical cover into the step portion to reduce the diameter of the step portion to the sleeve. -It is characterized in that the compression or spline is pressure-bonded, and the pressure-bonded portion is used as an energy absorbing portion. Further, the present invention is characterized in that an end portion of the tubular cover is axially extended from a sleeve end portion, and a seal is provided between the extension portion and the shaft.
【０００８】[0008]
【作用】軸継手を上記手段とすると、筒状カバ−２２の
圧入嵌合によりスリ−ブ２０の段差２０ｂの部分を内径
側に縮径し、スリ−ブ２０の内周面に設けた雌セレ−シ
ョン２０ａとシャフト２１の外周に設けた雄セレ−ショ
ン２１ａとが圧着しセレ−ション嵌合におけるガタつき
がなくなる。従って車両の衝突によるスリ−ブ２０とシ
ャフト２１との相対的移動時に雌セレ−ション２０ａと
雄セレ−ション２１ａとの間の摩擦力により衝突エネル
ギを吸収することができる。また、スリ−ブ２０とシャ
フト２１との間に設けたシ−ル２３により、セレ−ショ
ン嵌合部に水等の侵入が防止され、セレ−ション嵌合部
の錆等の発生が防止できる。When the shaft coupling is used as the above means, the stepped portion 20b of the sleeve 20 is reduced in diameter by press-fitting the tubular cover 22, and a female member is provided on the inner peripheral surface of the sleeve 20. The selection 20a and the male selection 21a provided on the outer periphery of the shaft 21 are pressure-bonded to each other so that there is no rattling in the selection fitting. Therefore, the collision energy can be absorbed by the frictional force between the female selection 20a and the male selection 21a when the sleeve 20 and the shaft 21 move relative to each other due to the collision of the vehicle. Further, the seal 23 provided between the sleeve 20 and the shaft 21 prevents water or the like from entering the selection fitting portion, and prevents rust or the like from occurring in the selection fitting portion. .
【０００９】[0009]
【実施例】以下、この発明の具体的実施例について図面
を参照しながら説明する。図１はこの発明の軸継手の縦
断面図の一部を示す図、図２は図１のＸ−Ｘ矢視断面図
である。２０は軸継手３（尚、従来技術である図４と同
一の構成要素には従来技術で説明したものと同一の符号
を用いる）を構成するスリ−ブであり、内周面に雌セレ
−ション２０ａが形成されている。２１はシャフトであ
って外表面に前記雌セレ−ション２０ａとセレ−ション
嵌合する雄セレ−ション２１ａが設けてある。該シャフ
ト２１の図示しない端部にはヨ−ク１３（図３参照）と
クロスピン１１によりユニバ−サルジョイント３２を構
成するヨ−ク（図示せず）が設けられる。また、該スリ
−ブ２０は、シャフト６に設けたヨ−ク７とクロスピン
９によりユニバ−サルジョイント３１を構成するヨ−ク
８と連結されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing a part of a vertical sectional view of a shaft coupling of the present invention, and FIG. 2 is a sectional view taken along line XX of FIG. Reference numeral 20 is a sleeve that constitutes the shaft coupling 3 (the same constituent elements as those in FIG. 4 which is a conventional technique use the same reference numerals as those described in the conventional technique). Section 20a is formed. Reference numeral 21 denotes a shaft, on the outer surface of which is provided a male selection 21a which is engaged with the female selection 20a by selection. At the end (not shown) of the shaft 21, a yoke (not shown) that forms a universal joint 32 by the yoke 13 (see FIG. 3) and the cross pin 11 is provided. The sleeve 20 is connected by a yoke 7 provided on the shaft 6 and a cross pin 9 to a yoke 8 constituting a universal joint 31.
【００１０】前記スリ−ブ２０の内周面に雌セレ−ショ
ン２０ａを形成してある側の外周に周状段差２０ｂを形
成し、該段差２０ｂ部分を薄肉としてある。そして該段
差２０ｂ部分には筒状カバ−２２を嵌合してあるが、こ
の場合の嵌合はカバ−２２側の内径をスリ−ブ２０の周
状段差２０ｂ部分の外形より少し小さくした圧入嵌合
し、上記段差２０ｂ部分の内径を縮径させる。また、こ
の場合の圧入は上記段差２０ｂ部分の径方向に圧力をか
ける圧入であっても良く、一方を冷却或いは加熱する冷
し嵌めや焼嵌めでも良い。A circumferential step 20b is formed on the outer periphery of the sleeve 20 on the side where the female selection 20a is formed, and the step 20b is thin. A cylindrical cover 22 is fitted in the step 20b, and the fitting in this case is a press fit in which the inner diameter of the cover 22 side is slightly smaller than the outer shape of the circumferential step 20b of the sleeve 20. After fitting, the inner diameter of the step 20b is reduced. Further, the press-fitting in this case may be press-fitting in which a pressure is applied in the radial direction of the step 20b portion, or cold fitting or shrink fitting for cooling or heating one side.
【００１１】前記カバ−２２の端部とシャフト２１の表
面との間には泥水やダストの侵入を防止しセレ−ション
嵌合部における錆等の発生を防止するためのシ−ル２３
が設けてある。該シ−ル２３はカバ−２２内周面に焼付
けて設ける方が外れにくくなるので好ましい。A seal 23 for preventing the intrusion of muddy water or dust between the end of the cover 22 and the surface of the shaft 21 and for preventing rust or the like from occurring in the selection fitting portion.
Is provided. It is preferable that the seal 23 is baked on the inner peripheral surface of the cover 22 because it is less likely to come off.
【００１２】この軸継手を上記構成とすると、カバ−２
２の圧入嵌合による上記段差２０ｂ部分の内径を縮径に
よりスリ−ブ２０の内周面に設けた雌セレ−ション２０
ａとシャフト２１の外周に設けた雄セレ−ション２１ａ
とが圧着し、ガタつきがなくなる。従ってこのカバ−２
２の圧入嵌合によれば衝突によるスリ−ブ２０とシャフ
ト２１との相対的移動時に雌セレ−ション２０ａと雄セ
レ−ション２１ａとの間の摩擦力により衝突エネルギを
吸収することができる。また、シャフト２１に環状溝１
０ａ（図４参照）と同様の環状溝を形成し合成樹脂１５
を注入しなくても衝撃時のエネルギを吸収することが可
能となる。セレ−ション嵌合をスプライン嵌合に変えて
も同様である。When this shaft coupling has the above-mentioned structure, the cover-2
The female selection 20 in which the inner diameter of the step 20b portion due to the press-fitting of 2 is provided on the inner peripheral surface of the sleeve 20 by reducing the inner diameter.
a and a male selection 21a provided on the outer circumference of the shaft 21
And will be crimped and there will be no rattling. Therefore, this hippo-2
According to the press-fitting of No. 2, the collision energy can be absorbed by the frictional force between the female selection 20a and the male selection 21a when the sleeve 20 and the shaft 21 relatively move due to the collision. Further, the shaft 21 has an annular groove 1
0a (see FIG. 4) is formed with an annular groove and synthetic resin 15
It is possible to absorb energy at the time of impact without injecting. The same applies when the selection fitting is changed to the spline fitting.
【００１３】[0013]
【発明の効果】以上詳述したようにこの発明の軸継手に
よれば、車室内にも或いは車室外のどちら側にも衝突時
の衝撃吸収部 を設けることが出来る。また、この軸継
手には合成樹脂を充填する必要はないのでコストを低減
することができる。As described above in detail, according to the shaft coupling of the present invention, a shock absorbing portion at the time of a collision can be provided both inside and outside the vehicle compartment. Further, since it is not necessary to fill the shaft coupling with the synthetic resin, the cost can be reduced.
【図１】この発明の軸継手の縦断面図の一部を示す図で
ある。FIG. 1 is a view showing a part of a vertical sectional view of a shaft coupling of the present invention.
【図２】図１のＸ−Ｘ矢視断面図である。FIG. 2 is a sectional view taken along line XX of FIG.
【図３】ステアリング装置の全体概要図である。FIG. 3 is an overall schematic diagram of a steering device.
【図４】従来の軸継手の縦断面図の一部を示す図であ
る。FIG. 4 is a view showing a part of a vertical sectional view of a conventional shaft coupling.
２０ スリ−ブ ２０ａ 雌セレ−ション ２０ｂ 段差 ２１ シャフト ２１ａ 雄セレ−ション ２２ 筒状カバ− ２３ シ−ル ３１ ユニバ−サルジョイント 20 Sleeve 20a Female Selection 20b Step 21 Shaft 21a Male Selection 22 Cylindrical Cover 23 Seal 31 Universal Joint
Claims (2)
トを設けたスリ−ブとをセレ−ション嵌合或いはスプラ
イン嵌合させ、該嵌合部にエネルギ−吸収部を配置して
なる軸継手において、前記スリ−ブのセレ−ション或い
はスプラインを形成した側の端部外周に周状段差を形成
して薄肉とし、該段差部分へ筒状カバ−の圧入嵌合によ
り該段差部分を内径側に縮径させて前記シャフトとスリ
−ブのセレ−ション或いはスプライン間を圧着し、該圧
着部をエネルギ−吸収部としたことを特徴とする軸継
手。1. A shaft coupling comprising a shaft and a sleeve provided with a universal joint at one end thereof which is fitted by selection fitting or spline fitting, and an energy absorbing portion is arranged at the fitting portion. A circumferential step is formed on the outer periphery of the end on the side where the selection or spline of the sleeve is formed to make it thin, and the step portion is contracted to the inner diameter side by press-fitting a cylindrical cover into the step portion. A shaft coupling characterized in that the shaft and the selection of the sleeve or the spline are pressure-bonded to each other and the pressure-bonded portion is used as an energy absorbing portion.
方向に延長し、該延長部と前記シャフトとの間にシ−ル
を設けたことを特徴とする請求項第１項記載の軸継手。2. An end portion of the tubular cover is axially extended from an end portion of the sleeve, and a seal is provided between the extension portion and the shaft. The shaft coupling described in the item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31244194A JPH08145069A (en) | 1994-11-21 | 1994-11-21 | Shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31244194A JPH08145069A (en) | 1994-11-21 | 1994-11-21 | Shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08145069A true JPH08145069A (en) | 1996-06-04 |
Family
ID=18029243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31244194A Pending JPH08145069A (en) | 1994-11-21 | 1994-11-21 | Shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08145069A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09240493A (en) * | 1996-03-13 | 1997-09-16 | Koyo Seiko Co Ltd | Intermediate shaft for steering device |
| JPH11201181A (en) * | 1998-01-13 | 1999-07-27 | Nippon Seiko Kk | Double cardan type constant velocity joint |
| JPH11280778A (en) * | 1998-03-26 | 1999-10-15 | Nippon Seiko Kk | Intermediate shaft coupling for steering device |
| JP2004251444A (en) * | 2003-02-17 | 2004-09-09 | American Axle & Mfg Inc | Cross pin holding device for differential gear |
| CN101947971A (en) * | 2010-09-10 | 2011-01-19 | 奇瑞汽车股份有限公司 | Collapsible and breakable transmission shaft |
| KR101030069B1 (en) * | 2005-11-10 | 2011-04-20 | 한국델파이주식회사 | an Impact Absorption Structure of a Steering Column for a Vehicle |
| CN104709338A (en) * | 2013-12-17 | 2015-06-17 | 株式会社山田制作所 | Steering device |
| CN105443594A (en) * | 2014-09-18 | 2016-03-30 | 日立汽车***九州株式会社 | Power transmission shaft and propeller shaft for vehicle |
| JP2018090145A (en) * | 2016-12-06 | 2018-06-14 | 日本精工株式会社 | Intermediate shaft |
| JP2022048303A (en) * | 2021-02-18 | 2022-03-25 | 日立Astemo株式会社 | Propeller shaft |
-
1994
- 1994-11-21 JP JP31244194A patent/JPH08145069A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09240493A (en) * | 1996-03-13 | 1997-09-16 | Koyo Seiko Co Ltd | Intermediate shaft for steering device |
| JPH11201181A (en) * | 1998-01-13 | 1999-07-27 | Nippon Seiko Kk | Double cardan type constant velocity joint |
| JPH11280778A (en) * | 1998-03-26 | 1999-10-15 | Nippon Seiko Kk | Intermediate shaft coupling for steering device |
| JP2004251444A (en) * | 2003-02-17 | 2004-09-09 | American Axle & Mfg Inc | Cross pin holding device for differential gear |
| JP4583033B2 (en) * | 2003-02-17 | 2010-11-17 | アメリカン アクスル アンド マニュファクチャリング，インコーポレイテッド | Cross pin holding device for differential device |
| KR101030069B1 (en) * | 2005-11-10 | 2011-04-20 | 한국델파이주식회사 | an Impact Absorption Structure of a Steering Column for a Vehicle |
| CN101947971A (en) * | 2010-09-10 | 2011-01-19 | 奇瑞汽车股份有限公司 | Collapsible and breakable transmission shaft |
| CN104709338A (en) * | 2013-12-17 | 2015-06-17 | 株式会社山田制作所 | Steering device |
| CN105443594A (en) * | 2014-09-18 | 2016-03-30 | 日立汽车***九州株式会社 | Power transmission shaft and propeller shaft for vehicle |
| JP2016061366A (en) * | 2014-09-18 | 2016-04-25 | 日立オートモティブシステムズ九州株式会社 | Power transmission shaft and vehicle propeller shaft |
| US10240641B2 (en) | 2014-09-18 | 2019-03-26 | Hitachi Automotive Systems Kyushu, Ltd. | Power transmission shaft and propeller shaft for vehicle |
| CN105443594B (en) * | 2014-09-18 | 2019-08-30 | 日立汽车***九州株式会社 | Power transmission shaft and propeller shaft for vehicle |
| CN110360236A (en) * | 2014-09-18 | 2019-10-22 | 日立汽车***九州株式会社 | Power transmission shaft and propeller shaft for vehicle |
| CN110360236B (en) * | 2014-09-18 | 2021-11-19 | 日立安斯泰莫株式会社 | Power transmission shaft and propeller shaft for vehicle |
| US11339831B2 (en) | 2014-09-18 | 2022-05-24 | Hitachi Astemo, Ltd. | Power transmission shaft and propeller shaft for vehicle |
| US11828334B2 (en) | 2014-09-18 | 2023-11-28 | Hitachi Astemo, Ltd. | Power transmission shaft and propeller shaft for vehicle |
| JP2018090145A (en) * | 2016-12-06 | 2018-06-14 | 日本精工株式会社 | Intermediate shaft |
| JP2022048303A (en) * | 2021-02-18 | 2022-03-25 | 日立Astemo株式会社 | Propeller shaft |
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