FR2568330A1 - Sealing device for mounting the journal cross of a joint with a journal cross - Google Patents
Sealing device for mounting the journal cross of a joint with a journal cross Download PDFInfo
- Publication number
- FR2568330A1 FR2568330A1 FR8511257A FR8511257A FR2568330A1 FR 2568330 A1 FR2568330 A1 FR 2568330A1 FR 8511257 A FR8511257 A FR 8511257A FR 8511257 A FR8511257 A FR 8511257A FR 2568330 A1 FR2568330 A1 FR 2568330A1
- Authority
- FR
- France
- Prior art keywords
- ring
- support ring
- sealing
- sealing device
- bearing
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000011324 bead Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 10
- 241000239290 Araneae Species 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000005062 Polybutadiene Substances 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 229920002857 polybutadiene Polymers 0.000 claims description 2
- 238000004073 vulcanization Methods 0.000 claims description 2
- 241001343274 Dichrostachys spicata Species 0.000 abstract 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000007704 transition Effects 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7809—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for needle roller bearings
-
- 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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/385—Bearing cup; Bearing construction; Bearing seal; Mounting of bearing on the intermediate member
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/41—Couplings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Sealing Of Bearings (AREA)
- Gasket Seals (AREA)
Abstract
Description
L'invention concerne un dispositif dsetanchéite pour le montage du croisillon dBun joint à croisillon9 destiné à être placé entre un tourillon du croisillon et un coussinet ou un élé- ment de palier analogue, une douille à aiguilles par exemple, et composé d'une bague d'étanchéité avec au moins une lèvre diétan- chéité appliquée contre le tourillon et d'une bague'de support susceptible d'être attachée au coussinet. The invention relates to a sealing device for mounting the spider dBun spider joint9 intended to be placed between a spider of the spider and a bearing or similar bearing element, a needle socket for example, and composed of a ring sealing with at least one sealing lip applied against the trunnion and a support ring capable of being attached to the bearing.
On a déjà proposé (demandes debrevet allemand Tes 31 18430;
DE-OS 29 08 713), pour étancher le montage d'un croisillon de joint, d'assembler une bague d'étanchéité à plusieurs lèvres, à deux lèvres par exemple, avec une bague de support ou de maintien. Selon ces propositions, la bague de support est en métaL, en tôle d'acier mince par exemple. L'assemblage de la bague d'étanchéité qui est flexible en soi avec un anneau de tôle non flexible a pour but de conférer une certaine stabilité de forme au dispositif d'étanchéité composé de ces deux pièces, sans pour autant affecter la flexibilité des lèvres de la bague d'étanchéitéF appliquées contre un tourillon du croisillon.La stabilité de forme d'un tel joint composé est nécessaire dans les solutions proposées car un joint entièrement flexible poserait des difficultés pour sa fixation sur le coussinet.We have already proposed (German patent applications Tes 31 18430;
DE-OS 29 08 713), to seal the mounting of a joint joint, to assemble a sealing ring with several lips, with two lips for example, with a support or holding ring. According to these proposals, the support ring is made of metaL, of thin sheet steel for example. The purpose of assembling the sealing ring which is flexible in itself with a non-flexible sheet metal ring is to impart a certain form stability to the sealing device composed of these two parts, without however affecting the flexibility of the lips. of the sealing ring F applied against a journal of the crosspiece. The shape stability of such a compound seal is necessary in the solutions proposed since a fully flexible seal would pose difficulties for its attachment to the bearing.
L'application de joints de ce type présente certaines
Limites, lesquelles sont atteintes, par exemple, Lorsque les joints doivent être pressés dans les-couss-inets. S'il faut utiliser des coussinets à parois relativement minces, le joint comme la douille, risque d'être endommagé de façon irremédiable à la mise en place par pressage.The application of seals of this type presents certain
Limits, which are reached, for example, When the seals have to be pressed into the cushions. If relatively thin-walled bearings have to be used, the seal, like the bushing, may be damaged beyond repair by pressing.
Compte tenu des limites évidentes de l'application des dispositifs d'étanchéité connus ou proposés, l'invention vise à créer un dispositif d'étanchéité très simple et économique à fabriquer, à assembler et également à monter et qui possède en même temps une grande durabilité. Given the obvious limits of the application of known or proposed sealing devices, the invention aims to create a very simple and economical sealing device to manufacture, assemble and also to assemble and which at the same time has a large durability.
A cet effet, selon l'invention, un dispositif d'étan chéité tel que défini au début est caractérisé en ce que la bague d'étanchéité est en une première matière- plastique et la bague de support est en une deuxième matière plastique, la bague d'étanchéité est reliée de façon inamovible à la bague de support ou est disposée librement dans celle-ci et la bague de support présente intérieurement, à son extrémité libre éloignée de la bague d'étanchéité, un bourrelet périphérique continu ou discontinu, au moyen duquel, grâce à son élasticité propre, elle pénètre avec encliquetage dans une gorge annulaire sensiblement complémentaire du coussinet. To this end, according to the invention, a sealing device as defined at the start is characterized in that the sealing ring is made of a first plastic material and the support ring is made of a second plastic material, the sealing ring is connected in an irremovable manner to the support ring or is freely disposed therein and the support ring has internally, at its free end remote from the sealing ring, a continuous or discontinuous peripheral bead, at the means by which, thanks to its own elasticity, it penetrates with snap-fastening into an annular groove substantially complementary to the bearing.
Selon un mode de réalisation avantageux, la bague d'étanchéité est-reliée à la bague de support par vuLcanisation, collage ou d'une manière analogue si cella est nécessaire en raison de ta pression créée par Le graissage. According to an advantageous embodiment, the sealing ring is connected to the support ring by sawing, gluing or in a similar manner if this is necessary due to the pressure created by lubrication.
Selon une autre caractéristique de L'invention, la bague d'étanchéité est en caoutchouc butadiene/nitrile-acrylique ou une matière analogue, tandis que la bague de support est en polyamide ou une matière analogue. According to another characteristic of the invention, the sealing ring is made of butadiene rubber / nitrile-acrylic or a similar material, while the support ring is made of polyamide or a similar material.
La solution proposée apporte toute une série d'avantages. The proposed solution brings a whole series of advantages.
La bague d'étanchéité comme la bague de support, considérées sous l'angle de leur fabrication en masse, peuvent être produites facilement, de façon simple, donc également économiquement, par moulage par injection, coulée ou pressage. Les bagues, même Lorsqu'elLes sont assembLées, ne sont que relativement peu encombrantes. Leur montage sur le coussinet est également facile et simple, ce à quoi contribue'td'uoe part le bourrelet à l'intérieur de la bague de support et d'autre part la gorge annulaire complémentaire ménagée dans la surface extérieure du coussinet. Bien entendu, les avantages apportés ne se limitent pas à ce qui vient d'être dit.The sealing ring as the support ring, considered from the point of view of their mass production, can be produced easily, simply, and therefore also economically, by injection molding, casting or pressing. The rings, even when assembled, are only relatively compact. They are also easy and simple to mount on the bearing, which contributes to the portion on the one hand the bead inside the support ring and on the other hand the complementary annular groove formed in the outer surface of the bearing. Of course, the benefits provided are not limited to what has just been said.
Contrairement aux jointes d'étanchéité connus, présentant des bagues de support en tôle d'acier, La bague de support selon l'invention ne subit aucune corrosion. Il s'y ajoute, enfin, que La bague de support prévue selon l'invention n'est aucunement exposée à des déformations permanentes, pouvant être occasionnées par des projections de pierres, par exemple lorsque le dispositif d'étanchéité est utilisé dans un joint à croisillon incorporé dans un appareil agricole.Unlike known seals, having support rings made of sheet steel, the support ring according to the invention does not undergo any corrosion. Finally, it is added that the support ring provided according to the invention is in no way exposed to permanent deformation, which can be caused by projections of stones, for example when the sealing device is used in a joint. with crossbar incorporated in an agricultural device.
Un exemple de réalisation de l'invention sera décrit ci-après à titre non limitatif en référence aux dessins annexés, sur lesquels :
- la figure 1 est une demi-coupe axiale d'une bague de support représentée isolément ;
- la figure 2 est une demi-coupe axiale d'une bague d'étanchéité, représentée également isolément ;
- la figure 3 est une demi-coupe axiale d'un dispositif d'étanchéité selon l'invention composé des bagues représentées sur les figures 1 et 2 ; et
- la figure 4 est une coupe axiale partielle et à plus grande échelle d'un tel dispositif d'étanchéité après son montage.An exemplary embodiment of the invention will be described below without limitation, with reference to the accompanying drawings, in which:
- Figure 1 is an axial half-section of a support ring shown in isolation;
- Figure 2 is an axial half-section of a sealing ring, also shown in isolation;
- Figure 3 is an axial half-section of a sealing device according to the invention composed of the rings shown in Figures 1 and 2; and
- Figure 4 is a partial axial section on a larger scale of such a sealing device after mounting.
La bague de support 1 représentée sur la figure 1 possède une forme essentiellement cylindrique ; à une extrémité la, elle est cependant réalisée à la façon d'une bague agissant comme un labyrinthe. Après le montage du dispositif d'étanchéité, cette extrémité de la bague de support s'applique contre une transition conique 2a du tourillon 2 du croisillon, comme on peut le voir sur la figure 4, tout en permettant la Libre rotation du coussinet ou de la douille à aiguilles 4 sur lequeL est monté le dispositif d'étanchéité. The support ring 1 shown in Figure 1 has an essentially cylindrical shape; at one end, it is however produced in the manner of a ring acting as a labyrinth. After mounting the sealing device, this end of the support ring is applied against a conical transition 2a of the pin 2 of the cross, as can be seen in Figure 4, while allowing the Free rotation of the bearing or the needle sleeve 4 on which the sealing device is mounted.
A faible distance de son extrémité opposée 1c, la bague de support 1 présente intérieurement un bourrelet périphérique Id qui est continu ou discontinu. Au montage, ce bourrelet s'enctiquette dans une gorge annulaire 4a sensiblement complémentaire de la douille 4. Précedemment, La bague de support 1 a été reliée de façon amovible ou inamovible à la bague d'étanchéité 3 qui sera décrite dans ce qui va suivre. A short distance from its opposite end 1c, the support ring 1 has internally a peripheral bead Id which is continuous or discontinuous. During assembly, this bead is snapped into an annular groove 4a which is substantially complementary to the sleeve 4. Previously, the support ring 1 has been connected in a removable or non-removable manner to the sealing ring 3 which will be described in the following. .
La bague d'étanchéité 3, voir la figure 2 possède également une forme essentiellement cylindrique. Elle porte cependant deux lèvresd'etancheite 3a, 3b qui sont inclinées par rapport à l'axe de la bague et sont au moins à peu près parallèles. Ces lèvres s'appliquent également contre le cône 2a du tourillon 2 à l'état monté (figure 4). The sealing ring 3, see FIG. 2 also has an essentially cylindrical shape. However, it carries two sealing lips 3a, 3b which are inclined relative to the axis of the ring and are at least approximately parallel. These lips also apply against the cone 2a of the pin 2 in the assembled state (FIG. 4).
La figure 3 montre la bague d'étanchéité 3 après son emboîtement dans la bague de support 1. Les deux bagues peuvent être réunies à demeure, mais il est également possible de les assembler librement Une liaison indétachable peut être réalisée par exemple par vulcanisation, collage ou d'une manière analogue. FIG. 3 shows the sealing ring 3 after its fitting into the support ring 1. The two rings can be permanently joined, but it is also possible to assemble them freely A non-detachable connection can be produced for example by vulcanization, bonding or in a similar manner.
A cet effet, il faut cependant que Les matières constitutives soient choisies en conséquence et possedent en outre une éLasticité propre suffisante pour que le dispositif d'étanchéité 1, 3 puisse être monté à l'aide du bourreLet id dans La gorge annuLaire 4a. Comme matière de la bague de support 1, on peut utiLiser notamment un polyamide convenabLe et, pour La bague d'étanchéité, un caoutchouc butadiène/nitrile-acrylique. IL va de soi que d'autres matières plastiques ou combinaisons de matières pLastiques sont utiLisabLes également. IL faut cependant qu'eLLes conviennent de façon optimale pour L'application décrite ici. To this end, however, the constituent materials must be chosen accordingly and also have sufficient own elasticity so that the sealing device 1, 3 can be mounted using the id bourreLet in the annular groove 4a. As the material of the support ring 1, it is possible to use in particular a suitable polyamide and, for the sealing ring, a butadiene / nitrile-acrylic rubber. It goes without saying that other plastics or combinations of plastics are also usable. However, they MUST be optimally suitable for the application described here.
Claims (4)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19848422559U DE8422559U1 (en) | 1984-07-28 | 1984-07-28 | SEALING FOR THE BEARING OF THE CROSS OF A CROSS JOINT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2568330A1 true FR2568330A1 (en) | 1986-01-31 |
Family
ID=6769302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8511257A Withdrawn FR2568330A1 (en) | 1984-07-28 | 1985-07-23 | Sealing device for mounting the journal cross of a joint with a journal cross |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE8422559U1 (en) |
| FR (1) | FR2568330A1 (en) |
| IT (2) | IT1226886B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0321076A1 (en) * | 1987-12-07 | 1989-06-21 | Dana Corporation | Seal and dust guard assembly for a universal joint trunnion |
| WO1990002886A1 (en) * | 1988-09-03 | 1990-03-22 | Brd Company Limited | Hookes universal joints |
| EP0493735A1 (en) * | 1990-12-22 | 1992-07-08 | ZF FRIEDRICHSHAFEN Aktiengesellschaft | Sealing arrangement of a universal joint bearing |
| EP2921734A1 (en) * | 2014-03-17 | 2015-09-23 | Spicer Gelenkwellenbau GmbH | Seal and cross member unit for universal joints |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT219418Z2 (en) * | 1990-03-21 | 1993-02-26 | CARDANIC CRUISE WITH LONG LIFE SEALS | |
| DE4412132C5 (en) * | 1994-04-08 | 2005-07-28 | Ina-Schaeffler Kg | Sealing for a universal joint box |
-
1984
- 1984-07-28 DE DE19848422559U patent/DE8422559U1/en not_active Expired
- 1984-12-04 IT IT8405240A patent/IT1226886B/en active
- 1984-12-04 IT IT8407101U patent/IT8407101V0/en unknown
-
1985
- 1985-07-23 FR FR8511257A patent/FR2568330A1/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0321076A1 (en) * | 1987-12-07 | 1989-06-21 | Dana Corporation | Seal and dust guard assembly for a universal joint trunnion |
| US4874349A (en) * | 1987-12-07 | 1989-10-17 | Dana Corporation | Seal and dust guard assembly for a universal joint trunnion |
| WO1990002886A1 (en) * | 1988-09-03 | 1990-03-22 | Brd Company Limited | Hookes universal joints |
| EP0493735A1 (en) * | 1990-12-22 | 1992-07-08 | ZF FRIEDRICHSHAFEN Aktiengesellschaft | Sealing arrangement of a universal joint bearing |
| EP2921734A1 (en) * | 2014-03-17 | 2015-09-23 | Spicer Gelenkwellenbau GmbH | Seal and cross member unit for universal joints |
| WO2015139886A1 (en) * | 2014-03-17 | 2015-09-24 | Spicer Gelenkwellenbau Gmbh | Seal and cross member unit for universal joints |
| US9816566B2 (en) | 2014-03-17 | 2017-11-14 | Spicer Gelenkwellenbau Gmbh | Seal and cross member unit for universal joints |
Also Published As
| Publication number | Publication date |
|---|---|
| IT8407101V0 (en) | 1984-12-04 |
| IT8405240A0 (en) | 1984-12-04 |
| DE8422559U1 (en) | 1984-12-06 |
| IT1226886B (en) | 1991-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |