JPH02168025A - External cylinder for constant-speed joint - Google Patents
External cylinder for constant-speed jointInfo
- Publication number
- JPH02168025A JPH02168025A JP63321548A JP32154888A JPH02168025A JP H02168025 A JPH02168025 A JP H02168025A JP 63321548 A JP63321548 A JP 63321548A JP 32154888 A JP32154888 A JP 32154888A JP H02168025 A JPH02168025 A JP H02168025A
- Authority
- JP
- Japan
- Prior art keywords
- outer cylinder
- vibration
- external cylinder
- cylinders
- cylinder
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 abstract description 10
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 239000013013 elastic material Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/202—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
- F16D3/205—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
- F16D3/2055—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part having three pins, i.e. true tripod joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flexible Shafts (AREA)
- Springs (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、等速ジヨイント用外筒、特にトリポード型
等速ジヨイントの防振型外筒に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an outer cylinder for a constant velocity joint, and particularly to a vibration-proof outer cylinder for a tripod type constant velocity joint.
（従来の技術〕
振動系が関与する自動車の振動を解決する一つの手段と
して、等速ジヨイントの外筒を内側外筒と外側外筒の組
合せにより構成し、両者の間にゴム等の防振材を介在さ
せることが知られている（特公昭５２−１２８６４号公
報参照）。(Prior art) As a means of solving the vibrations of automobiles related to the vibration system, the outer cylinder of the constant velocity joint is composed of a combination of an inner outer cylinder and an outer outer cylinder, and a vibration-proof material such as rubber is placed between the two. It is known to interpose a material (see Japanese Patent Publication No. 52-12864).
上記の防振型等速ジヨイントは、防振材を介してトルク
伝達が行われるので、振動系の振動が車体に伝わること
を抑制する効果がある。Since the vibration-proof constant velocity joint described above transmits torque through the vibration-proof material, it has the effect of suppressing vibrations from the vibration system from being transmitted to the vehicle body.
しかしながら、過大なトルクが負荷された場合に、内側
外筒と外側外筒が回転方向に相対変位を起こすため、防
振材が過大に変形し、損傷を受けるおそれがある。However, when an excessive torque is applied, the inner outer cylinder and the outer outer cylinder undergo relative displacement in the rotational direction, so that the vibration isolating material may be excessively deformed and damaged.
そこで、この発明は、内側外筒と外側外筒の回転方向の
相対変位を一定以下に制限することにより、防振材の耐
久性を向上することを目的とする。Therefore, an object of the present invention is to improve the durability of the vibration isolating material by limiting the relative displacement in the rotational direction between the inner outer cylinder and the outer outer cylinder to a certain level or less.
〔課題を解決するための手段］
上記の目的を達成するために、この発明は内側外筒と外
側外筒の組合せにより構成され、かつ両者の間に設けた
間隙に防振材を介在してなるトリポード型等速ジヨイン
ト用外筒において、上記の間隙を形成する内側外筒と外
側外筒のいずれか一方の面に、その間隙を狭める方向に
突出する干渉部を設けた構成としたものである。[Means for Solving the Problems] In order to achieve the above object, the present invention comprises a combination of an inner outer cylinder and an outer outer cylinder, and a vibration isolating material is interposed in the gap provided between the two. The tripod type constant velocity joint outer cylinder is configured such that an interference part is provided on one surface of either the inner outer cylinder or the outer outer cylinder that forms the above-mentioned gap, and projects in a direction to narrow the gap. be.
上記の干渉部の構成の仕方として以下の手段がある。The following means can be used to configure the above-mentioned interference section.
第１の手段は、内側外筒の外周面又は外側外筒の内周面
にスプリットリングを嵌着することである。The first method is to fit a split ring onto the outer circumferential surface of the inner outer cylinder or the inner circumferential surface of the outer outer cylinder.
第２の手段は、外側外筒の底面に近い内周面に内方へ突
出する段部を形成するとともに、その段部の内周に内側
外筒の嵌合凹所を形成することである。The second method is to form a stepped portion protruding inward on the inner circumferential surface near the bottom of the outer outer cylinder, and to form a fitting recess for the inner outer cylinder on the inner periphery of the stepped portion. .
第３の手段は、防振材を溝底部材と、溝壁部材とに分離
し、外側外筒の溝底両側部に軸方向の突条を形成し、そ
の突条を上記両部材の間隙部分に突出せしめることであ
る。The third means is to separate the vibration isolating material into a groove bottom member and a groove wall member, form an axial protrusion on both sides of the groove bottom of the outer outer cylinder, and insert the protrusion into the gap between the two members. It is to make a part protrude.
〔実施例］
第１図から第３図は、トリポード型等速ジヨイントの実
施例を示すものである。この等速ジヨイントの外筒は、
有底力ンプ形の内側外筒１と、同じく有底カップ形の外
側外筒２からなり、両者を組合わせることによって両者
の間に形成される周方向の間隙３に、ゴム等の弾性材で
なる防振材４を介在している。[Example] FIGS. 1 to 3 show an example of a tripod type constant velocity joint. The outer cylinder of this constant velocity joint is
It consists of an inner outer cylinder 1 in the shape of a pump with a bottom and an outer outer cylinder 2 in the form of a cup with a bottom, and a circumferential gap 3 formed between the two by combining the two is filled with an elastic material such as rubber. A vibration isolating material 4 is interposed therebetween.
図中、５はトリポード部材、６．６′はシャフトである
。In the figure, 5 is a tripod member, and 6.6' is a shaft.
上記の内側外筒１は、全周の３等分の位置に形成した軸
方向の３本のトランク溝７の相互間に、内方へ突出した
隔壁８を形成したものである。トランク溝７は溝底９と
その両側から立上がって隔壁８に至る溝壁１０により形
成される。内側外筒１の開放端は、外側外筒２の開放端
から突出しており、その突出部分の外周面にブーツ取付
溝１）が形成される。内側外筒１の外周面において、外
側外筒２内に挿入された部分には、防振材４が接着され
、その防振材４の周りに外側外筒２が密に嵌合される。The inner outer cylinder 1 has a partition wall 8 projecting inward between three axial trunk grooves 7 formed at three equal positions on the entire circumference. The trunk groove 7 is formed by a groove bottom 9 and groove walls 10 rising from both sides thereof and reaching the partition wall 8. The open end of the inner outer cylinder 1 projects from the open end of the outer outer cylinder 2, and a boot attachment groove 1) is formed on the outer peripheral surface of the projecting portion. A vibration isolating material 4 is adhered to a portion of the outer peripheral surface of the inner outer cylinder 1 that is inserted into the outer outer cylinder 2, and the outer outer cylinder 2 is tightly fitted around the vibration isolating material 4.
内側外筒１の外周面において、防振材４の両軸方向両端
部前方には、外側外筒２の内面に対向した周溝１２．１
２が形成され、各周溝１２．１２にスプリットリング１
３．１３が嵌着される。On the outer peripheral surface of the inner outer cylinder 1, in front of both ends of the vibration isolator 4 in the axial direction, there are circumferential grooves 12.1 facing the inner surface of the outer outer cylinder 2.
2 is formed, and a split ring 1 is formed in each circumferential groove 12.12.
3.13 is fitted.
スプリットリング１３は、弾力性のある矩形断面の金属
線又はプラスチック線により形成され、第３図に示すよ
うに、内側外筒１の外周面に合致するよう、いわゆるク
ローバ形に形成され、その一部に切り離し部１４が設け
られている。このスプリットリング１３を各周溝１２に
嵌着した状態において、各スプリットリング１３と外側
外筒２の内周面との間には、若干の間隙が存在する。The split ring 13 is made of a resilient metal wire or plastic wire with a rectangular cross section, and as shown in FIG. A separation section 14 is provided in the section. When this split ring 13 is fitted into each circumferential groove 12, a slight gap exists between each split ring 13 and the inner peripheral surface of the outer cylinder 2.
上記のごとき構成の外筒において、過大なトルクが負荷
され、内側外筒１と外側外筒２が回転方向が相対変位す
ると、スプリットリング１３が外側外筒２の内周面と干
渉し、それ以上の変位を制限する。このため、防振材４
の過大変形が防止される。In the outer cylinder configured as described above, when an excessive torque is applied and the rotation directions of the inner outer cylinder 1 and the outer outer cylinder 2 are displaced relative to each other, the split ring 13 interferes with the inner circumferential surface of the outer outer cylinder 2. Limit the displacement above. For this reason, the vibration isolating material 4
Excessive deformation of is prevented.
なお、スプリントリング１３を上記のように２本使用し
、防振材４の両端部にそれぞれ嵌着すると、防振材４の
軸方向への変形も併せて防止できる。しかし前述の干渉
作用のみを回持する場合は、スプリットリング１３は１
本でもよい、また、スプリットリング１３を外側外筒２
の内周面に嵌着してもよい。Note that if two splint rings 13 are used as described above and fitted to both ends of the vibration isolator 4, deformation of the vibration isolator 4 in the axial direction can also be prevented. However, when only the above-mentioned interference effect is to be recovered, the split ring 13 is
Alternatively, the split ring 13 can be attached to the outer cylinder 2.
It may be fitted onto the inner circumferential surface of.
第４図及び第５図に示す第２実施例の外筒は、前述のも
のと同様の基本構造を有する。この実施例においては、
外側外筒２の底面に近い内周面に、内方へ突き出した干
渉段部１６が形成され、その干渉段部１６の内周面にク
ローバ形の嵌合凹所１７が形成される。嵌合凹所１７に
は、内側外筒１の底面部が若干の間隙をもって挿入され
る。The outer cylinder of the second embodiment shown in FIGS. 4 and 5 has a basic structure similar to that described above. In this example,
An interference step 16 protruding inward is formed on the inner peripheral surface of the outer cylinder 2 near the bottom, and a clover-shaped fitting recess 17 is formed on the inner peripheral surface of the interference step 16. The bottom surface of the inner outer cylinder 1 is inserted into the fitting recess 17 with a slight gap.
なお、防振材４は、外側外筒２の開放端と干渉段部１６
との間に介在されるが、干渉段部１６との間に若干の間
隙があり、その間隙により防振材４の軸方向への変形を
許容する。Note that the vibration isolating material 4 is connected to the open end of the outer cylinder 2 and the interference step portion 16.
Although there is a slight gap between the interference step portion 16 and the interference step portion 16, this gap allows the vibration isolator 4 to deform in the axial direction.
上記構造の外筒において、過大トルクが負荷され、内側
外筒１と外側外筒２とが回転方向に相対変位すると、干
渉段部１６の内周面、即ち嵌合凹所１７の内周面が内側
外筒１の外周面と干渉し、それ以上の変位を制限する。In the outer cylinder having the above structure, when an excessive torque is applied and the inner outer cylinder 1 and the outer outer cylinder 2 are relatively displaced in the rotational direction, the inner peripheral surface of the interference step 16, that is, the inner peripheral surface of the fitting recess 17 interferes with the outer peripheral surface of the inner outer cylinder 1 and limits further displacement.
次に、第６図及び第７図に示す第３実施例の外筒も、基
本的構造は前述の各実施例のものと同様であるが、この
実施例における防振材４は、６つの部材に分諦される。Next, the basic structure of the outer cylinder of the third embodiment shown in FIGS. It is divided into parts.
即ち、外側外筒２の溝底２０に対応した溝底部材４ａと
、外側外筒２の溝壁２１に対応した溝壁部材４ｂの２種
類、合計６部材に分離され、これらの各部材４ａ、４ｂ
の間に間隙２２が設けられる。That is, the groove bottom member 4a corresponding to the groove bottom 20 of the outer outer cylinder 2 and the groove wall member 4b corresponding to the groove wall 21 of the outer outer cylinder 2 are separated into two types, a total of six members, and each of these members 4a , 4b
A gap 22 is provided between them.
上記の外側外筒２の溝底２０の両側部には、軸方向の突
条２３が形成される。この突条２３は、上記の間隙２２
を狭める方向に突出する。また、その突条２３と、防振
材４の溝壁部材４ｂとの間のｌ？１）隙２２の部分は、
溝壁部材４ｂの伸び出しを許容しうる程度に広く形成さ
れる。An axial protrusion 23 is formed on both sides of the groove bottom 20 of the outer cylinder 2. This protrusion 23 is connected to the above-mentioned gap 22.
protrudes in the direction of narrowing. Also, the l? between the protrusion 23 and the groove wall member 4b of the vibration isolating material 4? 1) The gap 22 is
It is formed wide enough to allow the groove wall member 4b to extend.
この実施例においても、内側外筒１と外側外筒２とが相
対変位すると、突条２３が内側外筒１と干渉し、それ以
上の相対変位を制限する。このため、防振材４を構成す
る各部材４ａ、４ｂの過大変形が防止される。Also in this embodiment, when the inner outer cylinder 1 and the outer outer cylinder 2 undergo relative displacement, the protrusions 23 interfere with the inner outer cylinder 1 and restrict further relative displacement. Therefore, excessive deformation of each member 4a, 4b constituting the vibration isolator 4 is prevented.
Ｃ発明の効果〕
以上のように、この発明は内側外筒と外側外筒との間に
干渉部を設けたことにより、両者の回転方向の相対的変
位を一定以下に制限することができる。その結果、防振
材の過大変形が制限されるため、防振材の耐久性を向上
させることができる効果がある。C Effects of the Invention As described above, in the present invention, by providing the interference portion between the inner outer cylinder and the outer outer cylinder, the relative displacement in the rotational direction of the two can be limited to below a certain level. As a result, excessive deformation of the vibration isolator is restricted, which has the effect of improving the durability of the vibration isolator.
第１図は第１実施例の縦断側面図、第２図はその縦断正
面図、第３図はスプリントリングの正面図、第４図は第
２実施例の電断側面図、第５図はその縦断正面図、第６
図は第３実施例の電断側面図、第７図はその縦断正面図
である。
１・・・・・・内側外筒、 ２・・・・・・外側外筒
、３・・・・・・間隙、 ４・・・・・・防振
材、７・・・・・・トランク溝、 １３・・・・・・
スプリットリング、１６・・・・・・干渉段部、 １７
・・・・・・嵌合凹所、２３・・・・・・突条。Fig. 1 is a longitudinal sectional side view of the first embodiment, Fig. 2 is a longitudinal sectional front view thereof, Fig. 3 is a front view of the splint ring, Fig. 4 is an electrical cross-sectional side view of the second embodiment, and Fig. 5 is a longitudinal sectional side view of the first embodiment. Its longitudinal front view, No. 6
The figure is a side view of the third embodiment, and FIG. 7 is a longitudinal sectional front view thereof. 1... Inner outer cylinder, 2... Outer outer cylinder, 3... Gap, 4... Vibration isolating material, 7... Trunk Groove, 13...
Split ring, 16... Interference step section, 17
......Fitting recess, 23...Protrusion.
Claims (4)
かつ両者の間に設けた間隙に防振材を介在してなるトリ
ポード型等速ジョイント用外筒において、上記の間隙を
形成する内側外筒と外側外筒のいずれか一方の面に、そ
の間隙を狭める方向に突出する干渉部を設けたことを特
徴とする等速ジョイント用外筒。(1) Composed of a combination of an inner outer cylinder and an outer outer cylinder,
In an outer cylinder for a tripod type constant velocity joint in which a vibration isolating material is interposed in the gap provided between the two, a gap is provided on either one of the surfaces of the inner outer cylinder and the outer outer cylinder that form the above-mentioned gap. An outer cylinder for a constant velocity joint, characterized in that it is provided with an interference part that protrudes in a direction that narrows the area.
ットリングを嵌着することにより干渉部を設けたことを
特徴とする請求項（１）記載の等速ジョイント用外筒。(2) The outer cylinder for a constant velocity joint according to claim (1), wherein the interference portion is provided by fitting a split ring to the outer circumferential surface of the inner outer cylinder or the inner circumferential surface of the outer outer cylinder.
部を形成すると共に、その段部の内周に内側外筒の嵌合
凹所を形成することにより干渉部を設けたことを特徴と
する請求項（１）記載の等速ジョイント用外筒。(3) An interference portion is provided by forming a stepped portion protruding inward on the inner circumferential surface near the bottom of the outer outer cylinder and forming a fitting recess for the inner outer cylinder on the inner periphery of the stepped portion. The outer cylinder for a constant velocity joint according to claim 1, characterized in that:
外筒の溝底両側に軸方向の突条を形成し、その突条を上
記両部材間の間隙部分に突出せしめることにより干渉部
を設けたことを特徴とする請求項（１）記載の等速ジョ
イント用外筒。(4) Separate the vibration isolating material into a groove bottom member and a groove wall member, form axial protrusions on both sides of the groove bottom of the outer cylinder, and protrude the protrusions into the gap between the two members. 2. The outer cylinder for a constant velocity joint according to claim 1, wherein an interference portion is provided by tightening the outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63321548A JP2678039B2 (en) | 1988-12-19 | 1988-12-19 | Outer cylinder for constant velocity joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63321548A JP2678039B2 (en) | 1988-12-19 | 1988-12-19 | Outer cylinder for constant velocity joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02168025A true JPH02168025A (en) | 1990-06-28 |
| JP2678039B2 JP2678039B2 (en) | 1997-11-17 |
Family
ID=18133794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63321548A Expired - Lifetime JP2678039B2 (en) | 1988-12-19 | 1988-12-19 | Outer cylinder for constant velocity joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2678039B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128531U (en) * | 1991-05-17 | 1992-11-24 | 株式会社アツギユニシア | Constant velocity joint |
| FR2677091A1 (en) * | 1991-05-31 | 1992-12-04 | Ntn Toyo Bearing Co Ltd | EXTERNAL RING FOR ANTI-VIBRATION TYPE HOMOCINETIC JOINT. |
| FR2695969A1 (en) * | 1992-09-21 | 1994-03-25 | Gkn Automotive Ag | Body of one half of transmission joint which is made up of composite structure - has several carrier paths with envelope section of joint joined to drive unit by system of connecting pieces with inside surface of envelop being fitted with carrier paths by thermosetting or thermo-plastics |
| JPH07259875A (en) * | 1992-02-25 | 1995-10-09 | Gkn Automot Ag | Synchronous rotary joint |
| DE102016220597A1 (en) * | 2016-10-20 | 2018-04-26 | Volkswagen Aktiengesellschaft | Propshaft for a motor vehicle and method for producing such |
-
1988
- 1988-12-19 JP JP63321548A patent/JP2678039B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128531U (en) * | 1991-05-17 | 1992-11-24 | 株式会社アツギユニシア | Constant velocity joint |
| FR2677091A1 (en) * | 1991-05-31 | 1992-12-04 | Ntn Toyo Bearing Co Ltd | EXTERNAL RING FOR ANTI-VIBRATION TYPE HOMOCINETIC JOINT. |
| JPH07259875A (en) * | 1992-02-25 | 1995-10-09 | Gkn Automot Ag | Synchronous rotary joint |
| FR2695969A1 (en) * | 1992-09-21 | 1994-03-25 | Gkn Automotive Ag | Body of one half of transmission joint which is made up of composite structure - has several carrier paths with envelope section of joint joined to drive unit by system of connecting pieces with inside surface of envelop being fitted with carrier paths by thermosetting or thermo-plastics |
| DE102016220597A1 (en) * | 2016-10-20 | 2018-04-26 | Volkswagen Aktiengesellschaft | Propshaft for a motor vehicle and method for producing such |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2678039B2 (en) | 1997-11-17 |
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