WO2024008859A1 - Composant extérieur de joint coulissant, joint coulissant et procédé de fabrication d'un composant extérieur de joint coulissant - Google Patents

Composant extérieur de joint coulissant, joint coulissant et procédé de fabrication d'un composant extérieur de joint coulissant Download PDF

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Publication number
WO2024008859A1
WO2024008859A1 PCT/EP2023/068693 EP2023068693W WO2024008859A1 WO 2024008859 A1 WO2024008859 A1 WO 2024008859A1 EP 2023068693 W EP2023068693 W EP 2023068693W WO 2024008859 A1 WO2024008859 A1 WO 2024008859A1
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WO
WIPO (PCT)
Prior art keywords
sliding joint
component
outer component
sliding
joint outer
Prior art date
Application number
PCT/EP2023/068693
Other languages
German (de)
English (en)
Inventor
Armin Ihle
Gerhard Linder
Original Assignee
Hirschvogel Holding GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hirschvogel Holding GmbH filed Critical Hirschvogel Holding GmbH
Publication of WO2024008859A1 publication Critical patent/WO2024008859A1/fr

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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
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
    • F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
    • F16D3/845—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers allowing relative movement of joint parts due to the flexing of the cover
    • 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
    • F16D3/22—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 the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—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 the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D3/226—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 the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
    • F16D3/227—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 the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
    • 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
    • F16D3/22—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 the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—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 the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/22326—Attachments to the outer joint member, i.e. attachments to the exterior of the outer joint member or to the shaft of the outer joint 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0023—Shaping by pressure
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/26—Cover or bell housings; Details or arrangements thereof

Definitions

  • the present invention relates to an external sliding joint component, a sliding joint and a method for producing an external sliding joint component.
  • Constant velocity joints which are also referred to as homokinetic joints, are basically known from the prior art. They enable torque transmission from a first shaft to a second shaft attached at an angle to it without changing the angular velocity of a rotary movement. Constant velocity joints are used particularly in vehicle construction to create drive shafts.
  • a special form of constant velocity joints are constant velocity sliding joints, i.e. H. sliding joints.
  • the constant velocity joint makes it possible to change the length of the drive shaft, which is composed of the first shaft and the second shaft.
  • the constant velocity joint has an outer constant velocity joint component which is arranged on one of the (shaft) components to be connected and has a pocket that is open towards the other (shaft) component. In this pocket, an internal constant velocity joint component of the constant velocity joint is arranged to be longitudinally displaceable.
  • the constant velocity joint components connected to one another in a longitudinally displaceable manner make it possible to change the length of the drive shaft.
  • these components In order to transmit torque with constant velocity joint components, these components have raceways in which rolling elements are guided.
  • the rolling elements are responsible for transmitting the torque.
  • the constant velocity joint components move relative to one another in a longitudinally displaceable manner, the rolling elements roll in these raceways, while at the same time torque transmission is made possible.
  • a fixed joint namely a Rzeppa joint
  • the outer joint component has material recesses on its outside, which serve to reduce the weight of the component.
  • Such a fixed joint is not a sliding joint component.
  • the present invention is dedicated to sliding joint components and sets itself the task of providing sliding joint external components that are even lighter, easier to manufacture and suitable for high torques.
  • an outer sliding joint component which, in an assembled state with an inner sliding joint component, forms a ball sliding joint, in particular a DO sliding joint (double-offset sliding joint) or a cross-groove joint (or VL sliding joint).
  • the sliding joint outer component has a receiving area extending along a longitudinal direction, in particular in the form of a kind of pocket, for receiving the sliding joint inner component, wherein in an assembled state of the ball sliding joint, the sliding joint inner component engages in the receiving area via an opening on a first end face of the sliding joint outer component and is displaceable along the longitudinal direction and tiltable relative to the longitudinal direction, with at least one raceway for a rolling element shaped as a ball being formed on an inside of the sliding joint outer component in the receiving area, with an outside of the outside opposite the inside, in particular in relation to a direction perpendicular to the longitudinal direction
  • a material recess is formed in the sliding joint outer component, which extends, preferably along a direction parallel to the longitudinal direction, up to the first end face of the sliding joint outer component.
  • the material recess extends to the first end face. This closes the sliding joint outer component on the first end face with an outer circumference that contains the material recess or a part of the material recess.
  • the material recess has the particular advantage that an additional weight reduction is possible in this way, since the material recess is not closed in an area that is offset from the first end face in the longitudinal direction towards a bottom of the pocket-shaped receiving area. Rather, the material recess continues to the first end face.
  • a corresponding material recess proves to be advantageous because it can be used as a rotation lock for a bellows element, in particular a bellows or a sleeve.
  • the rotation lock serves the particular purpose of preventing rotation of the bellows element relative to the sliding joint outer component.
  • Such bellows elements connect the sliding joint inner component and the sliding joint outer component in the assembled state, in particular to prevent lubricants from escaping from the joint area.
  • the joint is protected from external influences by a corresponding bellows element.
  • standardized bellows elements are regularly used, which have a circular and/or elliptical receiving opening, which in turn rests in an end section of the sliding joint outer component in the assembled state. Due to the modulation on the outside of the sliding joint outer component in the end section, due to the material recess extending to the first end face, it is advantageously possible to counteract a rotation of the bellows element by means of a positive connection that acts along a circumferential direction.
  • DO joints prove to be advantageous because they are designed to be significantly smaller than tripods and therefore in themselves already have a weight advantage over tripods. This weight advantage is further enhanced by the material cutouts. This proves to be particularly advantageous when using DO joints with material recesses in connection with electric motors because of the high torques that can be expected here.
  • the sliding joint outer component forms part of a shaft or a first shaft and/or the sliding joint inner component forms part of a shaft or a second shaft. In the assembled state, the sliding joint outer component and the sliding joint inner component form at least a portion of the shaft, which can be angled and its length can be changed.
  • the term internal sliding joint component does not mean the cage and/or a rolling element, but rather a component that protrudes from the external sliding joint component in the assembled state.
  • the direction of rotation follows in particular the direction along which a rotational movement of the sliding joint outer component occurs during operation, in particular in a plane that runs perpendicular to the longitudinal direction.
  • an axis of symmetry runs parallel to the longitudinal direction, with respect to which the receiving area has rotational symmetry compared to a rotation about the axis of symmetry by an angle of 360 ° / N, where N is greater than 1.
  • the material recess is designed as a course that recesses radially inwards with respect to the axis of symmetry.
  • the external geometry described allows the external geometry with a material recess to be formed by a cupping and/or stretching process, preferably a single cupping and/or stretching process.
  • a complex post-processing step in which the material recess is formed by machining can be dispensed with.
  • the sliding joint outer component is characterized in that the surface of the sliding joint outer component on the outside in the area of the material recess shows that no machining took place here. Instead, the fiber courses that are typical for hot forming and/or warm forming can be seen on the sliding joint outer component.
  • the receiving area extends essentially along the longitudinal direction.
  • the sliding joint outer component has a cylindrical and/or sleeve-shaped shape, particularly in the receiving area.
  • the receiving area is preferably formed by a lateral surface which surrounds the receiving area in a closed manner.
  • a shaft element and / or a mounting area be designed, via which a shaft can be mounted on the sliding joint outer component.
  • the receiving area of the sliding joint outer component is preferably pot-shaped and/or tulip-shaped.
  • the raceways extend essentially along the longitudinal direction on the inside of the receiving area.
  • raceways for balls are characterized by their essentially circular arc-shaped or circular arc segment-shaped, elliptical and / or Gothic contours in a sectional plane, which are perpendicular to the longitudinal direction.
  • Corresponding raceways differ in particular from those that are used, for example, in tripod joints, since, for example, no ball tracks or balls are provided as rolling elements in tripods.
  • the sliding joint in the assembled state has a cage element in which the rolling elements, i.e. H. the balls are stored.
  • the materials used from which the sliding joint outer component is formed are steels that can be formed at warm, warm and/or cold temperatures, preferably inductively hardenable steels, in particular Cf 53, C 45, C50 SAE J 403 1050, S 45 CJ C50, C55 and C60.
  • the production of the sliding joint outer component which can be connected indirectly or directly via a functional surface to the sliding joint inner component to form a joint, in particular a constant velocity joint, comprises the following method steps:
  • the forming is completed within a time interval that is shorter than 25 seconds and preferably shorter than 20 seconds and particularly preferably shorter than 10 seconds.
  • the functional surface is preferably formed by the inside of the receiving area and includes the raceways.
  • cold calibration is dispensed with during forming.
  • an additional work step in the process for producing a cardan shaft component or a cardan joint is advantageously dispensed with, whereby the manufacturing process is accelerated and the cost of producing the cardan shaft component can be reduced. In addition, the effort for production planning can be reduced.
  • the forming process preferably comprises several forming steps, for example several warm forming steps, whereby the individual forming steps can be carried out in several stages, for example.
  • a multi-stage cup or stretching process should be considered here, for example.
  • forming or a forming process/operation generally provides for several forming steps, the last forming step of which is cold calibration, it is particularly preferably provided that the last forming step, ie cold calibration, which is usual in the prior art, is omitted.
  • Cold calibration concerns the last forming step in the forming process or during forming. This cold calibration is therefore part of the forming process and is preferably carried out exclusively through a shaping and plasticizing effect.
  • Forming according to the prior art includes several forming steps, the last forming step of which is cold calibration, with which the last takes place through a shaping or plasticizing effect Reshaping of the internal and/or external shape, in particular the functional surfaces, is carried out. This part of the forming is omitted.
  • the forming can be followed by rework. For example, following the forming, machining and/or hardening is carried out in order to give the cardan shaft component the finished shape and texture.
  • Cold calibration of the functional surfaces is preferably avoided during forming, i.e. H. There is no need for a section or a partial work step during forming. It has surprisingly turned out that cold calibration, i.e. H. the last formative forming step can be dispensed with without impairing the functional surfaces of the cardan shaft component.
  • cold calibration takes place in the form of ironing and/or dimensional stamping. In the present case, ironing and/or dimensional embossing is preferably dispensed with. It is also conceivable to carry out a cold calibration as the last forming step in the forming process.
  • a material recess is to be understood as a course that recedes from a circular or elliptical course on the outside.
  • the material recesses are correspondingly recessed courses compared to this imaginary general circular course all radially outer areas on the outer circumference of the sliding joint outer component are affected.
  • the material recess extends along the outside along the longitudinal direction.
  • the material recess essentially follows the longitudinal direction of the receiving area or the sliding joint outer component.
  • the outside in the end section is modulated, in particular height-modulated, along the circumferential direction in a plane running perpendicular to the longitudinal direction. It is preferably provided that Material recesses are arranged equidistantly on the outside along the circumferential direction and/or more than three material recesses are formed.
  • a wall thickness of the receiving area in the area of the material recess has a value between 1 and 15 mm, in particular between 2 and 15 mm, in particular between 4 and 15 mm, in particular between 2 and 10 mm, in particular between 4 and 10 mm and in particular between 3 and 6 mm. It has been found that it is advantageously possible to dimension the material recess in such a way that in the area of the material recess in the radial direction, i.e. H.
  • wall thicknesses for the particularly tulip-shaped receiving area of the sliding joint outer component can be realized, which assume values between 4 and 5 mm and still withstand the expected loads that occur, for example, when a ball sliding joint is used to transmit driving forces , which come from an electric machine, for example.
  • a correspondingly thin wall proves to be particularly advantageous because it not only allows particularly light joint components and joints, but also reduces the amount of material required to produce corresponding joint components.
  • the wall thickness measured perpendicular to the longitudinal direction can be different in the area of the raceway, in the area of the material recess and/or in the sections in between, i.e. different from one another.
  • the material recess has a maximum depth measured perpendicular to the longitudinal direction or in the radial direction, which assumes a value between 1 and 10 mm, preferably between 2 and 8 mm and particularly preferably between 3 and 6 mm.
  • the depth in particular the maximum depth, is determined by the radially dimensioned maximum distance between the outside and an imaginary circle that touches the outer sections of the outside.
  • the material recess has a substantially constant cross section along its extent, in particular along the entire extent, the cross section being dimensioned in a plane running perpendicular to the longitudinal direction becomes.
  • the material recess extends, viewed in the longitudinal direction, to the first side.
  • the person skilled in the art will preferably limit the cross section of the material recess for the sliding joint outer component by the outside and on the opposite side by the imaginary circular course, which affects the radially outer side sections of the sliding joint outer component.
  • the material recess extends along the longitudinal direction over the entire area of the sliding joint outer component in which the receiving area is arranged.
  • the dimension of the receiving area is preferably determined by a pot depth of the cup-shaped receiving area.
  • the material recess is uninterrupted in the longitudinal direction, i.e. H. There are no areas along the longitudinal direction in which the material recess is filled with material.
  • the sliding joint outer component differs from the sliding joint outer components usual in the prior art, which typically provide a circular and/or elliptical outer circumference in the end section in order to be able to attach standardized bellows elements here.
  • the material recess is arranged between two areas, viewed along a circumferential direction, in each of which a raceway is formed. It is also conceivable that several material recesses are formed on the inside on the outside between the areas with the respective raceway.
  • the one and/or several material recesses can be arranged along the circumferential direction centrally between two areas that are predetermined by the position of the raceway, or can be offset from a central position along the circumferential direction.
  • the material recess is preferably designed as a type of groove and/or groove which extends along the longitudinal direction on the outside of the sliding joint outer component.
  • means for axially securing a shaped bellows are formed in the end section of the sliding joint outer component. It is particularly preferably provided that the collar elements and/or the groove, viewed along the circumferential direction, are arranged in segment regions of the outer circumference in which no material recess is formed. In other words: In areas without material recesses, a means for axially securing the shaped bellows is preferably formed.
  • a positive connection is realized between the bellows element and the outside of the sliding joint outer component, the positive connection acting along a direction running parallel to the longitudinal direction.
  • the collar element and/or the groove can be arranged at the level of the first end face of the sliding joint outer component and/or can be arranged offset along the longitudinal direction in the direction of the second end relative to the first end face.
  • the wall thickness of the sliding joint outer component varies in the receiving area in the circumferential direction.
  • the wall thickness of the sliding joint outer component in the receiving area remains constant along the direction of rotation.
  • the design with varying wall thickness proves to be particularly advantageous in cases in which a thickening in the transition area between the material recess and the area in which a raceway is formed on the inside of the receiving area is intended to increase the load capacity of the corresponding sliding joint outer component.
  • the load capacity of the sliding joint outer component can be increased by appropriate thickening in this transition area.
  • Another object of the present invention is a sliding joint with an outer sliding joint component according to the invention. All of the advantages and properties described for the sliding joint external component apply analogously to the sliding joint and vice versa.
  • the sliding joint comprises a shaped bellows, wherein the shaped bellows, in the assembled state, has an inside contour at the end facing the sliding joint outer component, which is designed to be complementary to the outside of the sliding joint outer component.
  • this makes it advantageously possible for inwards Facing sections of the shaped bellows can engage in corresponding areas with the material recess on the outside of the sliding joint outer component. This in turn enables a positive connection in the circumferential direction, which has an advantageous effect on securing the forming bellows against rotation in the mounted sliding joint.
  • the sliding joint is a DO sliding joint.
  • a further subject of the present invention is a method for producing an outer sliding joint component according to the invention, wherein the outer sliding joint component is produced in a forming process, particularly preferably in a solid forming step, in particular in a stretching and/or cupping process.
  • a forming process particularly preferably in a solid forming step, in particular in a stretching and/or cupping process.
  • All of the advantages and properties described for the sliding joint outer component can be transferred analogously to the method for producing the sliding joint outer component and vice versa.
  • the forming or the forming process includes extrusion.
  • the material recesses are or are defined by the manufacturing process without them being produced by post-machining.
  • material recesses are formed on the manufactured sliding joint outer component, the surface of which shows that no machining was used to form the material recess. This can be recognized, for example, by the corresponding fiber courses on the surface.
  • the material recess is produced during the forming process, in particular by the stretching and/or cupping process.
  • 3 and 4 show a ball sliding joint according to an exemplary embodiment of the present invention.
  • a ball sliding joint 10 according to the prior art is shown in Figures 1 and 2.
  • the ball sliding joint 10 comprises an external sliding joint component 1 and an internal sliding joint component 2.
  • the internal sliding joint component 2 is in the assembled or assembled state in a receiving area 7 of the sliding joint outer component 1 arranged.
  • An interface area in which the sliding joint inner component 2 engages in the sliding joint outer component 1 is surrounded by a bellows element 3, which protects the interface area between the sliding joint inner component 2 and the sliding joint outer component 1 and in particular also prevents the escape of lubricant from this interface area.
  • the ball shown as an example in FIG. Sliding joint 10 is a DO (double offset) joint.
  • a receiving area 7 is provided, which is designed in particular as a hollow body area or forms part of a hollow body, in particular a hollow body tube.
  • a corresponding hollow body area or hollow body section is preferably tulip-shaped or cup-shaped.
  • raceways 8 are provided, which are intended for balls in the case of a ball sliding joint. This means that ball sliding joints differ in particular from tripods, whose raceways 8 are designed for rolling elements that typically differ from balls.
  • the raceways 8 extend in particular along a longitudinal direction L, along which the receiving area 7 of the sliding joint outer component 1 also extends.
  • the sliding joint outer component 1 preferably comprises, in addition to the receiving area 7, a shaft area 16 at the opposite second end of the sliding joint outer component 1.
  • the receiving area 7 has an opening through which the sliding joint inner component 2 can be inserted into the sliding joint outer component 1 and is stored therein.
  • the raceways 8 are preferably distributed equidistantly along a circumferential direction U, which preferably runs in a plane perpendicular to the longitudinal direction L.
  • the direction of rotation U runs parallel to the direction along which the sliding joint outer component 1 rotates.
  • a groove 9 extending along the circumferential direction U is provided on an outside 22 of the receiving area 7, into which a collar element formed on the inside 21 of the bellows element 3 can engage in order to axially secure the bellows element 3 ensure.
  • the partial area which is formed between the groove 9, ie the means for axially securing the bellows element 3 and the first end face 11, is in particular as an end area 15 or as part of the end section of the To understand sliding joint external component 1. Seen in the longitudinal direction, the sliding joint outer component is delimited by the first end face 11 and a second end face 12.
  • the sliding joint outer component 1 has a material recess 5 which, viewed in the longitudinal direction L, extends to the first end face 11 of the sliding joint outer component 1.
  • the end section 15 there is an external geometry of the outside 22 of the sliding joint external component 1, which deviates from a circle and/or an ellipse.
  • the outside 22 of the sliding joint outer component 1, in particular in the end section 15, is modulated as seen in the circumferential direction U.
  • this material recess 5 is the result of massive forming, in particular a cupping or stretching process.
  • the outer side modulation is realized, which extends to the first end face 11 of the sliding joint outer component 1. This has the advantage, for example, that height modulations formed on the first end face 11, which extend along the longitudinal direction L, are reduced compared to a forging process that is carried out with the aim of forming a substantially circular outer circumference on the sliding joint outer component 1.
  • the material recesses 5 are formed between the areas in which the raceways 8 are formed on the inside 21 of the receiving area 7.
  • the material recesses 5 preferably extend over more than 50%, preferably more than 70% and particularly preferably more than 80% of a total length of the receiving area 7.
  • the means for axially securing the bellows element 3, in particular groove-shaped courses or grooves 9 on the outside 22 of the sliding joint outer component 1 are formed in the areas in which on the Inside 21 the raceways 8 are formed.
  • the groove-shaped means for axially securing the bellows element 3 are preferably arranged between two areas in which there is a material recess 5 in the outside 22. It is preferably provided that a shaped bellows element 3 'is provided for the sliding joint 10.
  • the collar element of the shaped bellows element 3 ' which is connected to the outside 22 of the sliding joint outer component 1, is complementary is designed to the geometric shape or the outside 22 of the sliding joint outer component 1.
  • the inwardly directed collar element of the shaped bellows element 3 'thus comprises partial areas which are intended for engagement in the groove sections, and preferably partial areas which engage in the valley-shaped sections of the material recess 5.
  • These are therefore preferably individualized shaped bellows elements 3' that are adapted to the external geometry and are used here.
  • a wall thickness W is essentially constant along the circumferential direction U.
  • the wall thickness W measured in the radial direction or measured perpendicular to the longitudinal direction L assumes a value between 1 and 15 mm, preferably between 2 and 10 mm and particularly preferably between 3 and 6 mm. If the wall thickness W is modulated, it is preferred to average the wall thickness W along the circumferential direction U, in particular around the entire closed circumference of the sliding joint outer component 1.
  • a shaft area 16 of the sliding joint outer component 1 is screwed to the receiving area 7, in particular the cup-shaped or tulip-shaped receiving area 7.
  • the sliding joint outer component 1 is manufactured from at least two individual components, with the receiving area 7 in particular being forged, in particular by a cupping or stretching process.
  • the material recess 5, viewed in the circumferential direction U is preferably arranged centrally between two partial areas in which the raceways 8 are arranged on the inside 21 of the receiving area 7. Furthermore, it is conceivable that several material recesses 5 are arranged on the outside 22 in an area that is arranged between two sections, on the inside 21 of which the raceways 8 run. For example, it is conceivable that a type of groove structure in the longitudinal direction L is formed as a material recess 5.
  • the material recess 5 has a maximum depth T measured perpendicular to the longitudinal direction L or in the radial direction, which assumes a value between 1 and 10 mm, preferably between 2 and 8 mm and particularly preferably between 3 and 6 mm.
  • the depth, in particular the maximum depth T is determined by the maximum, radially dimensioned distance between the outer side 22 and an imaginary circle K, which affects the outer or the radially outermost sections of the outer side 22 outside the material recess 5.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

L'invention concerne un composant extérieur de joint coulissant (1) qui forme, dans un état assemblé conjointement avec un composant intérieur de joint coulissant (2), un joint coulissant à billes, en particulier un joint coulissant de type DO, le composant extérieur de joint coulissant (1) comportant une zone de réception (7), qui s'étend le long d'une direction longitudinale (L) et qui est destinée à recevoir le composant intérieur de joint coulissant (2), dans un état assemblé du joint coulissant à billes (10), le composant intérieur de joint coulissant (2) s'engageant dans la zone de réception (7) par l'intermédiaire d'une ouverture ménagée sur une première face frontale (11) du composant extérieur de joint coulissant (1) et pouvant coulisser le long de la direction longitudinale (L) et être incliné par rapport à la direction longitudinale (L), au moins un chemin de roulement (8) pour un corps roulant conçu sous forme de bille étant formé sur une face intérieure (21) du composant extérieur de joint coulissant (1) dans la zone de réception (7), un évidement de matière (5) étant réalisé sur une face extérieure (22) du composant extérieur de joint coulissant située à l'opposé de la face intérieure (21), ledit évidement de matière s'étendant de préférence le long d'une direction parallèle à la direction longitudinale (L), jusqu'à la première face frontale (11) du composant extérieur de joint coulissant (1).
PCT/EP2023/068693 2022-07-07 2023-07-06 Composant extérieur de joint coulissant, joint coulissant et procédé de fabrication d'un composant extérieur de joint coulissant WO2024008859A1 (fr)

Applications Claiming Priority (2)

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DE102022116964.2 2022-07-07
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CN103244571A (zh) 2013-05-24 2013-08-14 上海纳铁福传动轴有限公司 外星轮

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JPH05231436A (ja) * 1992-02-21 1993-09-07 Ntn Corp 等速ジョイント
US20090087250A1 (en) * 2005-10-19 2009-04-02 Naohiro Une Cross Groove Constant Velocity Universal Joint
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