JPS588831A - Universal coupling - Google Patents
Universal couplingInfo
- Publication number
- JPS588831A JPS588831A JP10529981A JP10529981A JPS588831A JP S588831 A JPS588831 A JP S588831A JP 10529981 A JP10529981 A JP 10529981A JP 10529981 A JP10529981 A JP 10529981A JP S588831 A JPS588831 A JP S588831A
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- rotating shaft
- tire
- extending
- predetermined number
- 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
- 230000008878 coupling Effects 0.000 title abstract 4
- 238000010168 coupling process Methods 0.000 title abstract 4
- 238000005859 coupling reaction Methods 0.000 title abstract 4
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000009300 Ehretia acuminata Nutrition 0.000 description 1
- 244000046038 Ehretia acuminata Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000725 suspension Substances 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
Abstract
Description
【発明の詳細な説明】
本発明は、自在継手に係シ、特に、第１の回転軸と、一
端に回転可能な所定数の保合部を備えた第２の回転軸と
、前記第１の回転軸が固定される固定部を備えると共に
内壁面に前記第１の回転軸の軸゛方向と略平行に延び前
記所定数の保合部が係合される所定数の係合溝を穿設し
た筒状の外輪とを含む自在継手の改良に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a universal joint, in particular, a first rotating shaft, a second rotating shaft having a predetermined number of rotatable retaining parts at one end, a fixing part to which the first rotating shaft is fixed, and a predetermined number of engagement grooves extending substantially parallel to the axial direction of the first rotating shaft and being engaged with the predetermined number of retaining parts are bored in the inner wall surface. The present invention relates to an improvement of a universal joint including a cylindrical outer ring provided therein.
一般に、車両においては、ディファレンシャルギヤの駆
動力を両車軸に伝達するために、両端部にトリポード型
自在継手を備えた駆動伝達軸が使用されている。Generally, in a vehicle, a drive transmission shaft having tripod type universal joints at both ends is used in order to transmit the driving force of a differential gear to both axles.
かかるトリポード型自在継手は、第１図に示すように、
ディファレンシャルギヤ側に連結される第１の回転軸コ
と、車輪側に連結される第２の回転軸部と、第１の回転
軸コと第２の回転軸参とを連結する筒状の外輪４とを含
んで構成されている。Such a tripod type universal joint, as shown in FIG.
A first rotating shaft connected to the differential gear side, a second rotating shaft connected to the wheel side, and a cylindrical outer ring connecting the first rotating shaft and the second rotating shaft. 4.
筒状の外輪４の一端には、固定部としての７ランジぶ１
が設けられておシ、とのフランジ４１には、外輪１の軸
線と第１の回転軸コの軸線とが一直纏上に並ぶように、
メルト７を用いて第１の回転軸コの一端が固定されてい
る。At one end of the cylindrical outer ring 4, there is a 7 flange 1 as a fixed part.
is provided on the flange 41 of the outer ring 1 so that the axis of the outer ring 1 and the axis of the first rotating shaft are aligned in a straight line.
One end of the first rotating shaft is fixed using the melt 7.
第２の回転軸参の一端には、トリポードｒが結合されて
おり、このトリ？−ドｔの外周部には、３本のトラニオ
ン１０が第２の回転軸参の径方向するローラ／Ｊが回転
およびトラニオンＩＯの軸方向移動可能に軸支されてい
る。A tripod r is connected to one end of the second rotating shaft. - On the outer periphery of the dot t, a roller /J, in which three trunnions 10 are radially connected to a second rotating shaft, is supported so as to be rotatable and movable in the axial direction of the trunnion IO.
外輪４は、第２図および第３図に示すように。The outer ring 4 is as shown in FIGS. 2 and 3.
一端に前述したフランジｔａを備えると共に、内壁面に
１外輪４の軸方向、すなわち、第１の回転軸コの軸方向
と略平行に延びる３条の凹状の係合溝ｌ＃を備えている
。そして、外輪ぶの係合溝／ダを形成する係合溝形成部
／Ｉと係合溝形成部／１との間の間部１６は、７ランジ
６ａの底面に対して略直角方向に延び、かつ、両側端に
おいて、隣接する係合溝形成部／ｒｉｆｃ連続する最大
肉厚りの胴部／４ｍと、胴部／ｄａに連続し、かつ、外
輪４の径方向外側に傾斜した傾面コＯａを備え九開口端
部コＯとから構成されている。を九、関部１４の開口端
部コ０の外面および係合ｔｌ＃ｌ＃形成部／ｌの開口端
側外面の一部には、ザム等の弾性体から成る防塵用のブ
ーツが係合されるブーツ溝りが穿設されている。It is provided with the above-mentioned flange ta at one end, and is provided with three concave engagement grooves l# extending substantially parallel to the axial direction of the first outer ring 4, that is, the axial direction of the first rotating shaft, on the inner wall surface. . A space 16 between the engagement groove forming part /I and the engagement groove forming part /1, which forms the engagement groove /da of the outer ring, extends in a direction substantially perpendicular to the bottom surface of the 7 flange 6a. , and, at both ends, an inclined surface that is continuous with the adjacent engagement groove forming part /rifc and the maximum wall thickness body part /4m and that is continuous with the body part /da and is inclined outward in the radial direction of the outer ring 4. It is composed of nine open ends (Oa) and (Oa). 9. A dust-proof boot made of an elastic material such as a zam is engaged with the outer surface of the open end 0 of the connecting part 14 and a part of the outer surface of the open end side of the engaging tl#l# forming part/l. A boot groove is drilled in the boot.
而して、外輪乙には、開口端側から第２の回転軸が挿入
されると共に、第１図に示すようにローラ／Ｊが係合溝
ｌ＃に係合され、外輪ぶ内にグリースが封入され、ブー
ツが装着されてトリポード型自在継手が組立てられる。Then, the second rotating shaft is inserted into the outer ring B from the open end side, and the roller /J is engaged with the engagement groove l# as shown in Fig. 1, and grease is applied inside the outer ring. is sealed, the boot is attached, and the tripod type universal joint is assembled.
かかるトリポード型自在継手によれば、第１の回転軸コ
に加えられた駆動トルクが、外輪４およびローラｌ−を
介して第２の回転軸参に伝達され、第２の回転軸ダが第
１の回転軸−に対して傾斜した場合においても、傾面コ
ＯＳが設けられていることによシ、外輪ｔと第２の回転
軸が干渉しないようＫされている。According to such a tripod type universal joint, the driving torque applied to the first rotating shaft is transmitted to the second rotating shaft via the outer ring 4 and the roller l-, and the second rotating shaft is Even when the outer ring t is inclined with respect to the first rotation axis -, the provision of the inclined surface OS prevents the outer ring t from interfering with the second rotation axis.
しかし、かかるトリポード型自在継手に用いられている
外輪は、鍛造及び切削加工によシ製造されておシ、特に
、７ランジ４１の肉厚および胴部／４ｍの肉厚りが他の
部分の肉厚よシ厚く形成されているために、外輪自体の
重量が大きくなシ、従って、車両の足回りの重量が大き
くなシ、燃費が悪化するという問題点がある。また、鍛
造および切削加工によシ製造されているためにコストが
大となるという問題点がある。However, the outer ring used in such a tripod type universal joint is manufactured by forging and cutting, and in particular, the wall thickness of the 7 langes 41 and the body part / 4 m are thicker than other parts. Since the outer ring is formed thicker than the outer ring, there are problems in that the weight of the outer ring itself is large, and therefore the weight of the vehicle's suspension is large, resulting in poor fuel efficiency. Furthermore, since it is manufactured by forging and cutting, there is a problem in that the cost is high.
本発明は、上記問題点を解消すべく成されたもので、外
輪の重量を小さくすると共に低コストで外輪を製造でき
るようにして、軽量かつ低コストの自在継手を提供する
ことを目的、とする。The present invention was made in order to solve the above problems, and an object of the present invention is to provide a lightweight and low-cost universal joint by reducing the weight of the outer ring and making it possible to manufacture the outer ring at low cost. do.
本発明は、第１の回転軸と、一端に回転可能な所定数の
保合部を備え九第２の回転軸と、前記第１の回転軸が固
定される固定部を備えると共に内壁面に前記第１の回転
軸の軸方向と略平行に延び前記所定数の保合部が係合さ
れる所定数の保合溝を穿設した筒状の外輪とを含む自在
継手において、前記外輪の内厚を略均−に形成すると共
に、前記外輪の前記所定数の係合連関を、前記係合溝と
略平行に延びる胴部と、該胴部の端部から前記外輪の径
方向外側に延びる傾斜部と、該傾斜部の端部から前記胴
部の延在方向と略平行に延びる開口項部とよシ構成する
ことによシ上記目的を達成したものである。このように
構成することによシ、外輪を製造するにあたって、プレ
ス加工し易い形状となシ、各部の肉厚を略均−に成形す
ることができ、外輪の軽量化が図れる。The present invention includes a first rotating shaft, a second rotating shaft having a predetermined number of rotatable retaining parts at one end, a fixing part to which the first rotating shaft is fixed, and an inner wall surface. A universal joint comprising: a cylindrical outer ring having a predetermined number of retaining grooves extending substantially parallel to the axial direction of the first rotating shaft and into which the predetermined number of retaining portions are engaged; The inner thickness is formed to be approximately uniform, and the predetermined number of engagement connections of the outer ring are formed by forming a body portion extending substantially parallel to the engagement groove and extending from an end of the body portion to the outside in the radial direction of the outer ring. The above-mentioned object is achieved by comprising an extending inclined portion and an opening portion extending from the end of the inclined portion substantially parallel to the extending direction of the body portion. With this configuration, when manufacturing the outer ring, it is possible to form the outer ring into a shape that is easy to press, and the thickness of each part is approximately uniform, and the weight of the outer ring can be reduced.
以下、図面を参照して本発明の実施例を詳細に説明する
。本発明の第１実施例に使用される外輪を第４図および
第５図に示す。なお、第４図および第５図において、第
２図および第３図と対応する部分には、同一符号を付し
その説明を省略した。Embodiments of the present invention will be described in detail below with reference to the drawings. The outer ring used in the first embodiment of the present invention is shown in FIGS. 4 and 5. In addition, in FIGS. 4 and 5, parts corresponding to those in FIGS. 2 and 3 are given the same reference numerals, and their explanations are omitted.
図に示すように、本実施例に使用される外輪は、全体が
略均−の肉厚ｄで形成されている。ま九、係合溝形成部
／ｌと係合溝形成部ｉｔとの間の関部１６は、７ランジ
Ａｍの底部に対して略直角方向に延び、かつ、両側端に
おいて、隣接する係合溝形成部ｉｔに連続する略均−肉
厚ｄの胴部ココと、この胴部ココの端部から外輪の径方
向外側に角度θで傾斜して延びる傾斜部コ参と、この傾
斜部コダの端部から胴部ココの延在方向と略平行に延び
る開口端部コｔとから構成されている。表お、傾斜部Ｊ
参と開口部、２４０両側端は、隣接する係合溝形成部／
Ｉに連続している。As shown in the figure, the entire outer ring used in this embodiment is formed with a substantially uniform wall thickness d. (9) The connecting part 16 between the engaging groove forming part /l and the engaging groove forming part it extends in a direction substantially perpendicular to the bottom of the 7 flange Am, and is connected to the adjacent engaging part at both ends. A body part with a substantially uniform wall thickness d that is continuous with the groove forming part it, an inclined part which extends from the end of this body part at an angle θ to the outside in the radial direction of the outer ring, and this inclined part Koda. An open end portion t extends from the end portion of the body portion approximately parallel to the extending direction of the body portion. Front side, slope part J
The engagement groove forming portion/
It is continuous with I.
傾斜部コ参は、係合溝形成部ｉｔ外面に穿設されたブー
ツ溝りと共に、ブーツ取付は部として作用する。ｔた、
傾斜部２参の傾斜角θは、第２の回転軸の傾斜角を考慮
して略１５°〜８５″の範囲に定められる。The inclined part serves as a boot attachment part together with the boot groove bored on the outer surface of the engagement groove forming part. It was,
The inclination angle θ of the inclination portion 2 is set in the range of approximately 15° to 85″ in consideration of the inclination angle of the second rotating shaft.
かかる外輪は、プレス加工によシ成形される。Such an outer ring is formed by press working.
而して、ｊ１！１夾施例に使用される外輪は、前述と同
様に、ゼルトを用いて７ランジに第１の回転軸が固定さ
れ、外輪の内部に第２の回転軸が挿入されて、本実施例
の自在継手が組立てられる。Therefore, in the outer ring used in the j1!1 example, the first rotating shaft is fixed to the 7 langes using selts, and the second rotating shaft is inserted inside the outer ring, as described above. Then, the universal joint of this embodiment is assembled.
第６図に、本発明の第２実施例に使用される外輪を示す
。この外輪は、開口端部λｔの内壁に、外輪の径方向外
側に傾き、かつ、開目端部コｔの端面に連続する傾斜面
λｔを設けたものであシ、その他の部分については、第
１実施例に使用される外輪と同様であるので説明は省略
する。この外輪は、第２の回転軸の傾斜角を更に大きく
する場合に有効である。FIG. 6 shows an outer ring used in a second embodiment of the invention. This outer ring is provided with an inclined surface λt on the inner wall of the open end λt, which is inclined outward in the radial direction of the outer ring and is continuous with the end face of the open end t. Since it is the same as the outer ring used in the first embodiment, a description thereof will be omitted. This outer ring is effective when the inclination angle of the second rotating shaft is further increased.
次に、第７図および第８図に第２実施例のｊ１１変形例
を示し、第９図および第１θ図に第２実施例の第２変形
例を示す。第１変形例の外輪は、第８図に示すように、
第２実施例の外輪の７ランジに代えて、固定部としての
底面ＪＯを設けたものである。この底面３θには、第７
図に示すように、第１の回転軸コが溶接等によ如固定さ
れる。また、第２変形例の外輪は、第１０図に示すよう
に、第２実施例の外輪の７ランクを省略し九本のであシ
、第２の回転軸コは、第９図に示すように、外輪の端部
に溶接等によシ固定される。Next, FIG. 7 and FIG. 8 show a j11 modification of the second embodiment, and FIG. 9 and FIG. 1θ show a second modification of the second embodiment. The outer ring of the first modification is as shown in FIG.
In place of the seven lunges of the outer ring of the second embodiment, a bottom surface JO is provided as a fixing part. On this bottom surface 3θ, there is a seventh
As shown in the figure, the first rotating shaft is fixed by welding or the like. In addition, the outer ring of the second modification example has nine wheels by omitting the seven ranks of the outer ring of the second embodiment, as shown in FIG. 10, and the second rotating shaft has nine wheels as shown in FIG. 9. It is fixed to the end of the outer ring by welding, etc.
以上説明したように本発明によれば、自在継手の外輪が
プレス加工し易い形状となると共に軽量化が図れるので
低コスト軽量の自在継手が製造できる、という優れた効
果が得られる。As explained above, according to the present invention, the outer ring of the universal joint has a shape that is easy to press, and the weight can be reduced, so that a low-cost and lightweight universal joint can be manufactured, which is an excellent effect.
第１図は、従来のトリポード型自在継手の断面図、第２
図は、従来のトリボ−ｒ型自在継手に使用されている外
輪のａ面図、第３図社、第２図の■−■線断面図、第４
図は、本発明の第１実施例に使用される外輪の第２図と
同様の側面図、第５図は、第４図の■−ｖ線断面図、第
６図は、本発明の第２実施例に使用される外輪の第５図
と同様の断面図、第７図は、前記第２実施例のＭ１変形
例を示す断面図、第８図は、前記第１変形例に使用され
る外輪の第６図と同様の断面図、第９図は、前記第２実
施例の第２変形例を示す断面図、第１０図は、前記第２
変形例に使用される外輪の第６図と同様の断面図である
。
コ・・・第１の回転軸、グ・・・第２の回転軸、ｔ・・
・外輪。
ｌλ・・・ローラ、ｌ参・・・係合溝、／４・・・間部
、ｉｔ・・・係合溝形成部、ココ・・・胴部、コダ・・
・傾斜部、コｔ・・・開口端部。
代理人鵜沼辰之
（けｈゝ２糸）
第１ＦＡ
第２図
６０
第４図
第５図
第６図
８
第７図
第８図
０
第９図
第ｌＯ図Figure 1 is a cross-sectional view of a conventional tripod type universal joint;
The figures are an a-side view of the outer ring used in a conventional tribo-r type universal joint, a sectional view taken along the line ■-■ in Figure 2, and Figure 4.
The figure is a side view similar to that shown in FIG. 2 of the outer ring used in the first embodiment of the present invention, FIG. 5 is a sectional view taken along the line ■-v in FIG. 4, and FIG. FIG. 7 is a sectional view similar to FIG. 5 of the outer ring used in the second embodiment, FIG. 7 is a sectional view showing an M1 modification of the second embodiment, and FIG. 8 is a sectional view of the outer ring used in the first modification FIG. 9 is a sectional view showing a second modification of the second embodiment, and FIG. 10 is a sectional view similar to FIG. 6 of the outer ring.
FIG. 7 is a sectional view similar to FIG. 6 of an outer ring used in a modification. C...first rotation axis, G...second rotation axis, t...
・Outer ring. lλ...roller, l.....engaging groove, /4...interval, it...engaging groove forming part, here...body, here...
・Slanted part, t...opening end. Agent Tatsuyuki Unuma (keh2ito) 1st FA Figure 2 60 Figure 4 Figure 5 Figure 6 Figure 8 Figure 7 Figure 8 0 Figure 9 Figure lO
Claims (1)
保合部を備えた第２の回転軸と、前記第１の回転軸が固
定される固定部を備えると共に内壁面に前記Ｉｌｌの回
転軸の軸方向と略平行に延び前配所定数の保合部が係合
される所定数の係合溝を穿設した筒状の外輪とを含む自
在継手において、前記外輪の肉厚を略均−に形成すると
共に、前記外輪の前記所定数の保合溝間を、前記保合溝
と略平行に延びる胴部と、該胴部の端部から前記外輪の
径方向外側に延びる傾斜部と、紋傾斜部の端部から前記
胴部の延在方向と略平行に延びる開口端部とより構成し
九ことを特徴とする自在継手。(1) A first rotating shaft, a second rotating shaft having a predetermined number of rotatable retaining parts at one end, and a fixing part to which the first rotating shaft is fixed, and the first rotating shaft is provided on an inner wall surface. A universal joint including a cylindrical outer ring having a predetermined number of engagement grooves extending substantially parallel to the axial direction of the rotating shaft of the Ill and into which a predetermined number of front retaining portions are engaged; The thickness is approximately uniform, and between the predetermined number of retaining grooves of the outer ring, a body portion extending approximately parallel to the retaining grooves, and a body portion extending from an end of the body portion to the outside in the radial direction of the outer ring. What is claimed is: 1. A universal joint comprising: an extending inclined portion; and an open end extending from an end of the crest inclined portion substantially parallel to the extending direction of the trunk portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10529981A JPS588831A (en) | 1981-07-06 | 1981-07-06 | Universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10529981A JPS588831A (en) | 1981-07-06 | 1981-07-06 | Universal coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS588831A true JPS588831A (en) | 1983-01-19 |
Family
ID=14403807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10529981A Pending JPS588831A (en) | 1981-07-06 | 1981-07-06 | Universal coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS588831A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2689585A1 (en) * | 1992-04-07 | 1993-10-08 | Gkn Automotive Ag | HOMOCINETIC JOINT. |
| US5618235A (en) * | 1992-04-07 | 1997-04-08 | Gkn Automotive Ag | Constant velocity universal joint |
| DE19680507B3 (en) * | 1995-05-31 | 2014-08-28 | Ntn Corp. | Outer ring joint structure for sheet metal press shaft - has engagement pore provided from its edge wall where shaft projection part with polygonal surface or serrated groove press fits and engages mutually |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4883243A (en) * | 1972-01-25 | 1973-11-06 |
-
1981
- 1981-07-06 JP JP10529981A patent/JPS588831A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4883243A (en) * | 1972-01-25 | 1973-11-06 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2689585A1 (en) * | 1992-04-07 | 1993-10-08 | Gkn Automotive Ag | HOMOCINETIC JOINT. |
| US5618235A (en) * | 1992-04-07 | 1997-04-08 | Gkn Automotive Ag | Constant velocity universal joint |
| DE19680507B3 (en) * | 1995-05-31 | 2014-08-28 | Ntn Corp. | Outer ring joint structure for sheet metal press shaft - has engagement pore provided from its edge wall where shaft projection part with polygonal surface or serrated groove press fits and engages mutually |
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