FR2517394A1 - Friction disc clutch for spaced drive shaft and gearbox - has disc fixed solidly axially to intermediate shaft - Google Patents
Friction disc clutch for spaced drive shaft and gearbox - has disc fixed solidly axially to intermediate shaft Download PDFInfo
- Publication number
- FR2517394A1 FR2517394A1 FR8122560A FR8122560A FR2517394A1 FR 2517394 A1 FR2517394 A1 FR 2517394A1 FR 8122560 A FR8122560 A FR 8122560A FR 8122560 A FR8122560 A FR 8122560A FR 2517394 A1 FR2517394 A1 FR 2517394A1
- Authority
- FR
- France
- Prior art keywords
- shaft
- disc
- intermediate shaft
- clutch according
- clutch
- 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
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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
- F16D13/00—Friction clutches
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
- F16D13/46—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which two axially-movable members, of which one is attached to the driving side and the other to the driven side, are pressed from one side towards an axially-located member
- F16D13/48—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which two axially-movable members, of which one is attached to the driving side and the other to the driven side, are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member
- F16D13/50—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which two axially-movable members, of which one is attached to the driving side and the other to the driven side, are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
L'invention se rapporte aux embrayages à disque de friction interposésThe invention relates to friction disc clutches interposed
entre un arbre moteur et un arbre récepteur tel que l'arbre d'entrée d'une boite de vitesses de véhicule automobile Elle concerne plus particulièrement les embrayages du type comprenant un between a driving shaft and a receiving shaft such as the input shaft of a motor vehicle gearbox It relates more particularly to clutches of the type comprising a
arbre intermédiaire interposé coaxialement entre un ar- intermediate shaft interposed coaxially between an ar-
bre moteur et un arbre récepteur et portant un disque de friction attaqué par deux plateaux solidaires en bre motor and a receiving shaft and carrying a friction disc attacked by two integral plates in
rotation de l'arbre moteur.rotation of the motor shaft.
Io Les embrayages de ce type sont utilisés notamment lorsque la distance entrel'arbre moteuret la Io Clutches of this type are used in particular when the distance between the motor shaft and the
boite de vitesses est relativement longue, ou bien lors- gearbox is relatively long, or
qu'une flexibilité notable en torsion est souhaitée pour that significant torsional flexibility is desired for
l'arbre portant le disque en vue d'atténuer la transmis- the tree carrying the disc in order to attenuate the transmission
I 5 sion de vibrations du moteur vers la boite de vitesses, en particulier si le moteur est à combustion interne à I 5 vibration of the engine to the gearbox, especially if the engine is internal combustion
nombre peu élevé de cylindres.low number of cylinders.
Dans les embrayages connus du type précité, In known clutches of the aforementioned type,
une extrémité de l'arbre intermédiaire est rendue totale- one end of the intermediate shaft is made total-
ment solidaire de l'arbre récepteur, généralement par un emmanchement à cannelures et par des moyens quelconques integral with the receiving shaft, generally by a spline fitting and by any means
d'arrêt axial, et l'autre extrémité de l'arbre intermé- axial stop, and the other end of the intermediate shaft
diaire est portée par un palier disposé en bout de l'ar- diary is carried by a bearing arranged at the end of the rear
bre moteur A proximité de ce palier, le disque est monté coulissant sur l'arbre intermédiaire par un accouplement short motor Near this bearing, the disc is slidably mounted on the intermediate shaft by a coupling
à cannelures Une telle disposition est relativement coû- with grooves Such an arrangement is relatively cost-
teuse puisqu'elle nécessite deux accouplements à cannelu- since it requires two spline couplings
res et des moyens d'arrêt axial qui risquent d'être déli- res and axial stop means which risk being deli-
cats à réaliser à cause de leur mauvaise accessibilité. cats to carry out because of their poor accessibility.
Par ailleurs, l'espace o se trouve le disque étant sec In addition, the space where the disc is being dry
et poussiéreux du fait de l'usure du disque, son coulis- and dusty due to the wear of the disc, its sliding
sement sur cannelures risque de ne pas s'effectuer tou- risk of not being carried out all the time
jours dans de bonnes conditions.days in good conditions.
L'invention a pour but de remédier à ces The invention aims to remedy these
inconvénients au moyen d'un embrayage à disque de fric- disadvantages by means of a disc clutch
tion qui soit simple, donc de bas prix de revient, et that is simple, therefore low cost, and
fiable quant à son fonctionnement.reliable in its operation.
A cet effet, l'invention a rour objet un embraya- To this end, the invention has rour object a clutch-
ge du type susrenticnné, caractérisé en ce que le diskes est soli- ge of the above type, characterized in that the diskes are soli-
daire axialement de l'arbre intermédiaire, leqoel possède une axially of the intermediate shaft, leqoel has a
faculté de coulissement par rapport aux deux autres arbres. sliding ability compared to the other two trees.
Le disque peut être fixé rigidement sur Io l'arbre intermédiaire,ou, de préférence, monté avec une The disc can be rigidly fixed to the intermediate shaft, or, preferably, mounted with a
faculté de rotation limitée par rapport à l'arbre inter- limited ability to rotate relative to the inter-shaft
médiaire. Dans ce dernier cas, de façon avantageuse, le disque est muni d'un moyeu qui comporte un collet I 5 enfilé sur l'arbre intermédiaire et pourvu d'évidements axiaux, ces évidements coopérant avec jeu circonférentiel avec des reliefs axiaux d'une pièce concentrique fixée sur l'arbre intermédiaire De préférence, le moyeu et la pièce concentrique sont alors reliés par des organes élastiques pour assurer l'amortissement des vibrations medial. In the latter case, advantageously, the disc is provided with a hub which includes a collar I 5 threaded on the intermediate shaft and provided with axial recesses, these recesses cooperating with circumferential play with axial reliefs of a part concentric fixed on the intermediate shaft Preferably, the hub and the concentric part are then connected by elastic members to ensure the absorption of vibrations
du moteur aux faibles couples.motor at low torques.
Un exemple de réalisation d'un embrayage selon l'invention est décrit ciaprès, avec référence au dessin annexé sur lequel: la Fig lest une vue d'ensemble, avec coupe axiale partielle,d'un embrayage selon l'invention; et la Fig 2 est une vue en coupe d'un détail, An exemplary embodiment of a clutch according to the invention is described below, with reference to the appended drawing in which: FIG is an overall view, with partial axial section, of a clutch according to the invention; and Fig 2 is a sectional view of a detail,
prise suivant la ligne 2-2 de la Fig 1. taken along line 2-2 of Fig 1.
On voit sur la Fig 1 un embrayage 1 desti- We see in Fig 1 a clutch 1 intended
né à accoupler un arbre moteur 2 à un arbre récepteur coaxial 3 d'une boite de vitesses relativement éloignée, selon une disposition usuelle en automobile o un espace 4 du carter 5 de l'embrayage contenant un renvoi conique born to couple a motor shaft 2 to a coaxial receiving shaft 3 of a relatively distant gearbox, according to a usual arrangement in automobile o a space 4 of the clutch housing 5 of the clutch containing a bevel gear
(non représenté) sépare l'embrayage de la boite de vites- (not shown) separates the clutch from the gearbox-
ses. L'embrayage 1 comporte un disque de friction 6 qui est d'une part porté par un arbre intermédiaire 7 coaxial aux arbres 2 et 3, d'autre part enserré, grâce à un ressort 8 en forme de diaphragme, entre deux plateaux 9 et 10 solidaires en rotation de l'arbre moteur 2 Le his. The clutch 1 comprises a friction disc 6 which is on the one hand carried by an intermediate shaft 7 coaxial with the shafts 2 and 3, on the other hand clamped, by virtue of a spring 8 in the form of a diaphragm, between two plates 9 and 10 integral in rotation with the motor shaft 2 Le
diaphragme 8 prend appui d'une part par sa périphérie- diaphragm 8 is supported on the one hand by its periphery-
sur une cloche 11 fixée par des vis 12 sur le plateau 9 solidairede l'arbre 2,et d'autre part par une zone intermédiaire contre la face du plateau coulissant 10 opposée au disque 6 La région centrale du dialiragim 8 est attaquée par une butée de débrayage 13 à billes actionnée Par un vérin annulaire 14 entourant l'arbre 7 on a bell 11 fixed by screws 12 on the plate 9 secured to the shaft 2, and on the other hand by an intermediate zone against the face of the sliding plate 10 opposite the disc 6 The central region of the dialiragim 8 is attacked by a stop release 13 ball actuated by an annular cylinder 14 surrounding the shaft 7
et en partie logé dans l'espace 4.and partly housed in space 4.
L'extrémité de l'arbre intermédiaire 7 oppo- The end of the intermediate shaft 7 oppo-
sée au disque 6 est accouplée en rotation à l'arbre I 5 récepteur 3 par des cannelures coulissantes 15, et son autre extrémité est portée par un palier 16 à éléments roulants emmanché dans un alésage central d'une pièce 17 vissée en bout de l'arbre 2; le fond de cet alésage est attached to the disc 6 is coupled in rotation to the shaft I 5 receiver 3 by sliding grooves 15, and its other end is carried by a bearing 16 with rolling elements fitted in a central bore of a part 17 screwed at the end of the 'tree 2; the bottom of this bore is
délimité par un épaulement 18, et l'arbre 3 comporte éga- delimited by a shoulder 18, and the shaft 3 also includes
lement un épaulement 19 qui délimite l'alésage axial cannelé qui reçoit l'arbre 7 Des jeux notables Ji et J 2 sont prévus respectivement entre ces deux épaulements et Lement a shoulder 19 which delimits the grooved axial bore which receives the shaft 7 Notable clearances Ji and J 2 are provided respectively between these two shoulders and
les deux faces d'extrémité de l'arbre 7. the two end faces of the shaft 7.
Le disque 6 est solidaire d'un moyeu en tôle 20 dont la partie centrale est emboutie de manière à former un collet 21; une pièce annulaire 22, également en tôle emboutie, est reliée au moyeu 20 par des organes élastiques 23 et est fixée s-ur l'arbre 7 par soudage Le The disc 6 is integral with a sheet metal hub 20, the central part of which is stamped so as to form a collar 21; an annular part 22, also made of stamped sheet metal, is connected to the hub 20 by elastic members 23 and is fixed to the shaft 7 by welding.
moyeu 20 est emmanché librement par son collet 21, diri- hub 20 is freely fitted by its collar 21, direct
gé vers la pièce 22, sur une portion cylindrique 24 de l'arbre 7, et il est maintenu axialement contre la pièce concentrique 22 par un jonc élastique 25 engagé dans une towards the piece 22, on a cylindrical portion 24 of the shaft 7, and it is held axially against the concentric piece 22 by an elastic ring 25 engaged in a
gorge de l'arbre 7 La partie centrale de la pièce con- shaft groove 7 The central part of the part
centrique 22 comporte des languettes axiales 26 rabattues contre la portion cylindrique 24, 9 t, collet central 21 du disque 6 est muni de créneaux 27, Les languettes 26 butent contre le fond des créneaux 27, comme visible sur la Fig 1, mais ont une largeur inférieure de manière à procurer un jeu annulaire limité J 3 entre le moyeu 20 central 22 has axial tabs 26 folded against the cylindrical portion 24, 9 t, central collar 21 of the disc 6 is provided with slots 27, the tabs 26 abut against the bottom of the slots 27, as visible in FIG 1, but have a lower width so as to provide a limited annular clearance J 3 between the hub 20
du disque et la pièce concentrique 22, donc entre le dis- of the disc and the concentric piece 22, therefore between the
que 6 et l'arbre 7 (Fig 2).as 6 and the shaft 7 (Fig 2).
Pour assembler le dispositif, on fixe sur le vérin 14 la butée 13 pourvue du diaphragme 8 enserré Io entre la cloche il et le plateau 10, puis en engage dans le vérin, jusqu'à coopération des cannelures 15,l'arbre 7 préalablement équipé du disque 6, de La pièce 22 et des organes élastiques 23 Lors de l'accostage du moteur et de la botte de vitesses, l'extrémité de l'arbre 7 I 5 opposée aux cannelures 15 est introduite dans le palier 16 de l'arbre moteur 2 muni du plateau 9, et les vis 12 sont mises en place pour solidariser la cloche 11 du To assemble the device, the stop 13 provided with the diaphragm 8 clamped Io between the bell 11 and the plate 10 is fixed on the jack 14, then engages in the jack, until the grooves 15 cooperate, the shaft 7 previously equipped of the disc 6, of the part 22 and of the elastic members 23 When the engine and the gear boot approach, the end of the shaft 7 I 5 opposite the splines 15 is introduced into the bearing 16 of the motor shaft 2 provided with the plate 9, and the screws 12 are put in place to secure the bell 11 of the
plateau 9 On voit que le positionnement axial de l'ar- plate 9 We see that the axial positioning of the ar-
bre 7 est déterminé par celui du disque 6 qui en est axialement solidaire, et que les notables jeux J 1 et J 2 bre 7 is determined by that of the disc 6 which is axially integral therewith, and that the notable clearances J 1 and J 2
permettent le déplacement axial du disque 6 lors de cha- allow the axial displacement of the disc 6 during each
que débrayage et par suite de son usure. that declutching and as a result of its wear.
La transmission du mouvement de rotation du disque 6 à l'arbre 7 s'effectue tantôt élastiquement, par les organes élastiques 23, lorsque le couple transmis est très faible, ce qui permet notamment de filtrer les vibrations transmises au ralenti du moteur vers la boite The transmission of the rotational movement from the disc 6 to the shaft 7 is sometimes carried out elastically, by the elastic members 23, when the transmitted torque is very low, which in particular makes it possible to filter the vibrations transmitted at idle speed from the engine to the gearbox.
de vitesses, par exemple s'il s'agit d'un moteur à com- speeds, for example if it is a motor with
bustion interne à nombre peu élevé de cylindres, tantôt positivement, par coopération des languettes 26 et des bords des créneaux 27, lorsque le couple transmis est internal busting with a small number of cylinders, sometimes positively, by cooperation of the tongues 26 and of the edges of the slots 27, when the transmitted torque is
plus important L'arbre intermédiaire 7 étant relative- more important The intermediate shaft 7 being relative-
ment long, son élasticité en torsion contribue à atténuer la transmission desbrusques variations de couple entre long, its elasticity in torsion helps to reduce the transmission of sudden variations in torque between
le moteur et la boite de vitesses.engine and gearbox.
La disposition décrite présente l'avantage de ne pas nécessiter d'arrêt axial de l'arbre 7 dans l'arbre récepteur 3 en un endroit peu accessible de la The arrangement described has the advantage of not requiring an axial stop of the shaft 7 in the receiving shaft 3 in a location which is not easily accessible from the
boite de vitesses, et évite l'emploi de cannelures coû- gearbox, and avoids the use of costly splines
teuses entre le disque 6 et l'arbre 7, ce qui permet notamment de réaliser en tôle emboutie, donc à bas prix, teuses between the disc 6 and the shaft 7, which makes it possible in particular to produce stamped sheet metal, therefore at low cost,
le moyeu du disque de friction.the friction disc hub.
Dans une variante plus simple ne comportant pasd'organes élastiques tels que les organes 23 entre le In a simpler variant not comprising elastic members such as members 23 between the
IO moyeu du disque et une pièce telle que la pièce 22 soli- IO disc hub and a part such as part 22 solid
daire de l'arbre 7, le moyeu du disque est soudé directe- from shaft 7, the disc hub is directly welded-
ment sur l'arbre 7, et son collet axial 21 n'est pas ment on the shaft 7, and its axial collar 21 is not
entaillé de créneaux 26 mais, au contraire, a une lon- notched with slots 26 but, on the contrary, has a long
gueur constante sur son pourtour.constant cheer around its perimeter.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8122560A FR2517394B1 (en) | 1981-12-02 | 1981-12-02 | FRICTION DISC CLUTCH |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8122560A FR2517394B1 (en) | 1981-12-02 | 1981-12-02 | FRICTION DISC CLUTCH |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2517394A1 true FR2517394A1 (en) | 1983-06-03 |
FR2517394B1 FR2517394B1 (en) | 1987-03-20 |
Family
ID=9264587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8122560A Expired FR2517394B1 (en) | 1981-12-02 | 1981-12-02 | FRICTION DISC CLUTCH |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2517394B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985004696A1 (en) * | 1984-04-05 | 1985-10-24 | Axel Guenther Andre | Clutch arrangement |
WO1991005175A1 (en) * | 1989-10-05 | 1991-04-18 | Automotive Products Plc | Friction clutch assemblies |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR464668A (en) * | 1913-11-08 | 1914-03-27 | Le Zebre | Friction clutch for motor cars and others |
GB191503099A (en) * | 1915-02-26 | 1915-09-23 | Albion Motor Car Co Ltd | Improvements in connection with Friction Clutches of the Plate Type. |
GB103041A (en) * | 1916-03-20 | 1917-01-11 | Albion Motor Car Co Ltd | Improvements in Friction Clutches. |
US1515284A (en) * | 1922-08-14 | 1924-11-11 | Stahl Rodolphe | Clutch |
GB249931A (en) * | 1925-01-03 | 1926-04-06 | Charles Kearns Edwards | Improvements in or relating to clutches for conveying rotary motion |
-
1981
- 1981-12-02 FR FR8122560A patent/FR2517394B1/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR464668A (en) * | 1913-11-08 | 1914-03-27 | Le Zebre | Friction clutch for motor cars and others |
GB191503099A (en) * | 1915-02-26 | 1915-09-23 | Albion Motor Car Co Ltd | Improvements in connection with Friction Clutches of the Plate Type. |
GB103041A (en) * | 1916-03-20 | 1917-01-11 | Albion Motor Car Co Ltd | Improvements in Friction Clutches. |
US1515284A (en) * | 1922-08-14 | 1924-11-11 | Stahl Rodolphe | Clutch |
GB249931A (en) * | 1925-01-03 | 1926-04-06 | Charles Kearns Edwards | Improvements in or relating to clutches for conveying rotary motion |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985004696A1 (en) * | 1984-04-05 | 1985-10-24 | Axel Guenther Andre | Clutch arrangement |
US4792029A (en) * | 1984-04-05 | 1988-12-20 | Andre Axel G | Clutch arrangement |
WO1991005175A1 (en) * | 1989-10-05 | 1991-04-18 | Automotive Products Plc | Friction clutch assemblies |
GB2237077B (en) * | 1989-10-05 | 1993-09-15 | Automotive Products Plc | Friction clutch assemblies |
Also Published As
Publication number | Publication date |
---|---|
FR2517394B1 (en) | 1987-03-20 |
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