EP3849821A1 - Kupplung für ein rad - Google Patents
Kupplung für ein radInfo
- Publication number
- EP3849821A1 EP3849821A1 EP19750068.9A EP19750068A EP3849821A1 EP 3849821 A1 EP3849821 A1 EP 3849821A1 EP 19750068 A EP19750068 A EP 19750068A EP 3849821 A1 EP3849821 A1 EP 3849821A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- coupling
- plug
- receiving part
- output
- 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- Withdrawn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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/14—Attaching disc body to hub ; Wheel adapters
Definitions
- the invention relates to a clutch for the rotationally fixed connection of a wheel to an output of an electrical machine comprising a wheel side
- Couplings for wheels which comprise a screw or nut by means of which the wheel is attached to an output.
- EP0865939A2 discloses one wheel bolt and one
- Wheel nut for fastening motor vehicle wheels, the wheel bolt having a nut part, an externally threaded shaft part and a conical part located in between and penetrating the wheel rim into one
- Threaded bore of the wheel hub or disc can be screwed in, and the
- the wheel nut has an internal thread and a conical part and can be screwed onto the external thread shaft part of a wheel bolt of the wheel hub or disk which passes through the wheel rim.
- the conical part is a separate conical disk which can be plugged onto the wheel bolt or the wheel bolt or the wheel nut and has a through-hole, the
- Diameter is larger than the outer diameter of the threaded shaft part of the wheel bolt or the wheel bolt or the shaft of the wheel nut.
- the object of the invention is to further improve the clutches for wheels known in the prior art and to provide a clutch which permits rapid coupling.
- the combinations of features specified in the independent claims are proposed.
- the plug-in part into the receiving part in order to establish the connection for the coupling. After the two parts have been fitted into one another, the receiving part is moved relative to the plug-in part in order to secure the coupling. This enables a quick connection to be established between the wheel and the output without the additional use of parts such as screws. Furthermore, there is no need for a special tool, since the movement of the receiving part can be done by manual operation.
- the entire receiving part can be rotated along the circumferential direction of the wheel.
- the receiving part cannot be detachably but rotatably connected to the wheel.
- the wheel thus also contains connecting means for the clutch with the output.
- the plug-in part can be firmly connected to the output.
- the plug-in part is rigidly connected to the output.
- a special embodiment can include that the receiving part is designed like a cage, a section of the plug-in part undercut in the axial direction of the wheel being insertable into a socket through an axial opening.
- the receiving part can be pushed onto the plug-in part by an axial movement of the wheel until the plug-in part passes through the opening of the receiving part and is positioned in the socket in the interior of the receiving part.
- the receiving part can then be rotated so that the cage-like receiving part is entangled in the socket in the socket.
- Cage-like means that the socket has at least one lateral recess.
- the opening expediently has an inner contour which is complementary to the outer contour of the plug-in part, the inner contour being rotated relative to the outer contour by the relative rotation of the receiving part relative to the plug-in part, so that the contours are offset from one another and the wheel is axially secured.
- the opening and the corresponding inner contour are located in a plane parallel to the plane of rotation of the receiving part. If the plug with its outer contour through the opening with its
- the contours can be oval, elliptical, star-shaped, angular and / or have some other symmetry that contains a lower order than that of a circle.
- the receiving part can be accessible from an axial side of the wheel facing away from the output, so that the receiving part can be rotated in particular by means of a handle.
- the handle can be located on the surface of the wheel and can be formed by, for example, a knob or an elongated structure that rises in the axial direction and is elongate with respect to the radial direction of the wheel.
- the handle can be in a trough be arranged so that the handle does not protrude beyond the surface of the axial side of the wheel.
- the handle offers an easy way to couple the wheel to the output.
- At least one recess can be formed within the receiving part, into which at least a section of the mushroom-like part can be formed
- Screws plug-in part in during rotation. By rotating it
- mushroom-like plug-in part can be pivoted into a recess, the contours finally no longer being congruent.
- the recess is located in a lateral part of the receiving part, which creates a cage-like structure. Two can extend in the circumferential direction
- Recesses may be provided.
- An elevation can be arranged on one edge of the recess and can be conveyed by the rotation on an axially directed surface of the plug-in part, so that an axial play between the wheel and the output is extinguished.
- the elevation can extend in particular in the axial direction.
- the elevation preferably extends in the opposite direction to the opening of the receiving part.
- the molded part which can protrude into the opening, can be used to produce a poka-yoke structure which avoids confusing wheels.
- the counter-shaped part can be realized as a recess in the undercut section of the plug-in part.
- the receiving part and the plug-in part are positioned concentrically to the wheel and output. They are arranged in the area of the axis of rotation and are part of a hub connection of the wheel to the output. If an eccentrically arranged driver structure is arranged on a side of the output axially facing the wheel, a torque can be transmitted from the output to the wheel by means of a counter structure.
- the driver structure and the counter structure work together.
- the driver structure can be formed by cylindrical elevations which are distributed along a circle concentric to the axis of rotation. The elevations can have dome-like axial ends.
- Elevations preferably interact with pairs of lamellae
- Ribs which flatten outward in the axial direction, run in the radial direction, which preferably adjoin elevations radially on the inside and / or outside. The ribs reinforce the driver structure and thus the transferable torque.
- the wheel advantageously includes a cylindrical bushing which is formed from an axial to the opposite side and in which the receiving part is rotatably arranged.
- the bushing has at least one circumferential collar, which has a positive connection with the
- the output also includes a blind hole in which the plug-in part is arranged.
- the blind hole has in particular a diameter which corresponds approximately to an outer diameter of a protruding structure of the wheel-side cylindrical bushing.
- the protruding structure can be inserted into the blind hole as a press or play fit.
- Fig. 1 shows a section through a coupling of a connection between a
- Output of an electrical machine and a wheel 2 is a perspective view of a side of the wheel facing the output
- Fig. 5 is a view of an output with a coupling part
- Fig. 6 shows a wheel with a receiving valley, which is on the output
- opposite side has a handle.
- FIG. 1 shows a section through a clutch 10, which is designed to connect a wheel 12 to an output 14 of an electrical machine 16.
- the wheel 12 is fixed concentrically to the axis of rotation 3 of the output 14 by a joining movement in the axial direction 2 with its hub area on the output 14.
- the output 14 is preferably designed as a half-shell-shaped housing part of the electrical machine 16.
- the wheel 12 includes
- Receiving part 18 and the output 14 a plug-in part 20.
- the plug-in part 20 is inserted into the receiving part 18 by a movement in the axial direction 2.
- the receiving part 18 has an opening 22 which is opened in the axial direction 2 in the direction of the output.
- the opening 22 leads to a socket 19 within the receiving part 18.
- the plug-in part 20 is encompassed by the receiving part.
- the receiving part 18 has an annular collar 23 surrounding the opening 22, on the radial inside of which an inner contour 26 is formed.
- the collar 23 is connected to a base 25 of the receiving part 18 by means of at least one strut 35.
- a recess 34 is formed between the collar 23 and the base 25 of the receiving part 18
- Circumferential direction 1 of the receiving part 18 is limited by the strut 35.
- the circumferential direction 1 as well as the axial direction 2 and the radial direction 4 relate to the rotationally symmetrical wheel 12.
- the plug-in part 20 consists of a mushroom-shaped undercut section 24 which is positioned at a distal end of an extension 37 arranged concentrically with the axis of rotation 3.
- the extension extends from a side 48 of the output 14 facing the advice 12 in the direction of the wheel 12.
- the extension 37 is within a blind hole 58, which is also positioned concentrically with the axis of rotation 3.
- the extension 37 with the section 24 does not protrude from the blind hole 58.
- the section 24 can be formed separately from the extension 37 and fastened by means of screws and / or pins.
- the section 24 has an outer contour 28 on its radial outside.
- the receiving part 18 is in a cylindrical passage 62 in
- Circumferential direction 1 rotatable and immovably positioned in the axial direction 2.
- the receiving part 18 can be rotated in the circumferential direction, always maintaining its axial position.
- the cylindrical bushing 62 is arranged in a hollow cylindrical section 63 of the wheel 12.
- the outside diameter of the hollow cylindrical section 63 corresponds approximately to the inside diameter of the blind hole 58, so that the hollow cylindrical section 63 can be inserted into the blind hole 58 to form an interference fit or a clearance fit.
- At least one collar 64 is arranged on the inside of the hollow cylindrical section 63 in the area of the feedthrough 62
- Receiving part 18 engages and a positive connection with the
- Receiving part 18 produces a rotation of the receiving part 18 in
- Circumferential direction 1 guaranteed.
- the inner contour 26 and the outer contour 28 are designed to be complementary to one another.
- the two contours 26, 28 can be oval, elliptical or angular.
- the opening 22 has one of the
- the outer contour 28 has a corresponding shape, so that the section 24 carrying the outer contour 28 can be guided through the opening 22 into the socket 19.
- the receiving part 18 can be rotated in the circumferential direction 1 by means of a handle 32, so that the plug-in part 20 and the receiving part 19 interlock with one another, in which a radial section 36 of the mushroom-shaped section 24 into the Recess 34 is pivoted in by the rotation.
- the radially projecting section 36 is positioned between the collar 23 surrounding the opening 22 and the base 25.
- the wheel 12 coupled by the entanglement is firmly connected to the output 14 in the axial direction 2.
- an axial side of the radial section 36 facing the output faces an edge 38 of the recess 34 facing the base 25.
- the edge 38 is preferably positioned on a side of the collar 23 facing the base 25.
- Receiving part 18 accessible.
- the receiving part 18 is preferably flush with the surface of the side 30 and has a centrally positioned recess 33 in which a handle 32 is arranged. With the handle 32 that
- Receiving part 18 can be rotated in the circumferential direction 1 to produce the clutch 10 between the wheel 12 and the output 14.
- Driver structure 50 arranged on the side 48 of the output 10 facing the wheel 12.
- the driver structure 50 interacts with a counter structure 52 on the wheel 12.
- the driver structure 50 comprises at least one cylindrical elevation 54 and a rib 56, which is flattened outwards in the radial direction 4.
- the rib extends in the axial direction 2 perpendicularly from the side 48. Furthermore, the rib 56 connects radially to the elevation 54.
- FIG. 2 shows the wheel 12, a view of the side facing the output 14 being shown.
- the collar 23 surrounding the opening 22 has radially 22 projecting molded parts 44, which are preferably in relation to the
- the molded part 44 can be rectangular. It can also have round sections. Concentric to
- Hollow cylindrical section 63 pairs of plates 60 are arranged as a counter structure 52 around the axis of rotation 3.
- the disk pairs 60 become perpendicular to themselves from an axial side of the wheel in the axial direction 2
- Each pair of fins 60 is assigned to a cylindrical elevation 54 of the driver structure 50.
- the cylindrical elevation 54 is arranged between two slats of a pair of slats 60 and between two slats of adjacent pairs of slats 60. Seven pairs of lamellae 60 and fourteen elevations 54 can be provided. A lamella can be positioned between two adjacent elevations 54.
- FIG. 3 discloses the receiving part 18, the collar 23 comprising an oval inner contour 26, so that the cross section of the opening 22 is oval. The two protrude into the opening 22 in the radial direction 4 with respect to the center
- a chamfer 27 is formed on the side of the collar 23 facing the opening 22 as a joining aid for the plug-in part 20.
- the collar 23 is spaced from the base 25 by two struts 35.
- the two struts 35 are in relation to the
- a recess 34 extends in the circumferential direction 1 between the struts, which are also opposite each other with respect to the center.
- the respective recess 34 is delimited in the circumferential direction 1 by the struts 35 and in the axial direction 2 by the base 25 or the collar 23.
- a stop 55 which carries into the respective recess 34, is formed on an edge 38 of the collar 23 facing the base 25. The stop 55 extends in the axial direction 2 into the recess 34.
- a ramp 53 directed in the direction of the molded part 44 is positioned on the stop 55 and drops radially outwards. If the plug-in part 20 is now inserted into the receiving part 18, the counter-shaped part 46 of the plug-in part 20 must be congruent with the shaped parts 44 on the collar 23
- the receiving part 18 can be rotated in the circumferential direction 1. The rotation can take place until radial sections 36 of the mushroom-shaped
- Section 24 of the plug-in part 20 are positioned in the recesses 34 and bear with a radial edge section on the respective ramp 53 of the stops 55. After the plug-in part 20 has struck against the stops 55, a further turning of the circumferential direction 2 is not possible. As a result, the connection is established through the coupling 10.
- an elevation 40 is positioned between the stop 55 and the strut 35 on the edge 38 facing the base 25.
- this elevation 40 is conveyed to a surface of the plug-in part 20.
- This surface is preferably formed on the radial section 36 and aligned in the direction of the output.
- the elevation 40 extinguishes the axial play between the wheel 12 and the output 14.
- the collar 23 can be resilient, and in the
- Arranging the elevation 40 on the radial section 36 generate a clamping force in the axial direction 2.
- Such an elevation 40 can protrude into each recess 34.
- the elevation 40 can be positioned between the stop 55 and the respective molded part 44.
- FIG. 5 shows a top view of an output 14.
- the side 48 of the output 14 facing the wheel 12 is shown.
- Fourteen cylindrical elevations 54 are also shown.
- the radially extending ribs 56 extend from a tubular section-shaped structure 59, which contains the blind hole 58, to the respective elevation 54.
- a rib 56 extends radially outward from each elevation 54, the height of the respective rib 56 decreases with respect to the axial direction 2 to the outside.
- the ribs 56 form a sun-ray-like structure on the side 48.
- the mushroom-head-like section 24 is positioned centrally within the blind hole 58, the counter-shaped parts 46 being formed on its edge.
- the counter-shaped parts 46 are complementary to the shaped parts 44 and can, for example, have a rectangular cross section.
- the mushroom-like section 24 is spaced from a bottom of the blind hole 58.
- FIG. 6 shows a view of the wheel 12 from a side facing away from the output 10.
- the handle 32 is shown in the recess 33 as a rib-like structure extending in the radial direction 4. With the handle 23, the receiving part 18 can be rotated in the circumferential direction 1.
- the wheel 12, the receiving part 18 and the output 10 can be made from one
- the wheel 12 On the wheel 12 a tire made of solid rubber or a air-filled tires form a radial tread.
- the wheel may further comprise 12 spokes.
- the mushroom-like section 24 and / or the receiving part 18 can contain plastic and / or metal, wherein aluminum in particular can be used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018215622.0A DE102018215622A1 (de) | 2018-09-13 | 2018-09-13 | Kupplung für ein Rad |
PCT/EP2019/069686 WO2020052839A1 (de) | 2018-09-13 | 2019-07-22 | Kupplung für ein rad |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3849821A1 true EP3849821A1 (de) | 2021-07-21 |
Family
ID=67551337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19750068.9A Withdrawn EP3849821A1 (de) | 2018-09-13 | 2019-07-22 | Kupplung für ein rad |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3849821A1 (de) |
CN (1) | CN112955330A (de) |
DE (1) | DE102018215622A1 (de) |
WO (1) | WO2020052839A1 (de) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4329661A1 (de) * | 1993-09-02 | 1995-03-09 | Ruediger Hoeffken | Einheitsradsystem für Straßenfahrzeuge |
DE29704820U1 (de) | 1997-03-17 | 1997-05-15 | Aluett Leichtmetall Raeder Gmb | Radschraube und Radmutter zur Befestigung von Kraftfahrzeugrädern |
CA2428608C (en) * | 2003-05-12 | 2007-05-08 | Augusto H. Martinez | Vehicle wheel attachment system |
DE102012213527A1 (de) * | 2012-08-01 | 2014-02-06 | Schaeffler Technologies AG & Co. KG | Radnabe mit Zentriervorrichtung |
DE102013104389B4 (de) * | 2013-04-30 | 2014-12-18 | Bernd Stock | Verriegelungsvorrichtung und Verriegelungsanordnung |
JP2014218151A (ja) * | 2013-05-08 | 2014-11-20 | 本田技研工業株式会社 | ホイール取付構造 |
DE102015222474A1 (de) * | 2015-11-13 | 2017-05-18 | Volkswagen Aktiengesellschaft | Radlagervorrichtung, sowie Verfahren zur Montage einer Radlagervorrichtung |
DE102016222855A1 (de) * | 2016-11-21 | 2017-03-02 | Audi Ag | Radnabenanordnung für ein Kraftfahrzeug |
-
2018
- 2018-09-13 DE DE102018215622.0A patent/DE102018215622A1/de not_active Withdrawn
-
2019
- 2019-07-22 WO PCT/EP2019/069686 patent/WO2020052839A1/de unknown
- 2019-07-22 CN CN201980074422.4A patent/CN112955330A/zh active Pending
- 2019-07-22 EP EP19750068.9A patent/EP3849821A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE102018215622A1 (de) | 2020-03-19 |
CN112955330A (zh) | 2021-06-11 |
WO2020052839A1 (de) | 2020-03-19 |
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Legal Events
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18D | Application deemed to be withdrawn |
Effective date: 20220201 |