EP4149828A1 - Dispositif interne de colonne de direction a roulement excentrique - Google Patents
Dispositif interne de colonne de direction a roulement excentriqueInfo
- Publication number
- EP4149828A1 EP4149828A1 EP21734511.5A EP21734511A EP4149828A1 EP 4149828 A1 EP4149828 A1 EP 4149828A1 EP 21734511 A EP21734511 A EP 21734511A EP 4149828 A1 EP4149828 A1 EP 4149828A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steering column
- axis
- internal
- eccentric
- column device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 4
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K21/00—Steering devices
- B62K21/06—Bearings specially adapted for steering heads
-
- 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/10—Bearings, parts of which are eccentrically adjustable with respect to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/32—Steering heads
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/20—Land vehicles
- F16C2326/24—Steering systems, e.g. steering rods or columns
Definitions
- the present invention relates to an internal vehicle steering column device for facilitating driving in curves by changing the alignment of the front and rear wheels of the vehicle.
- This system is particularly designed to adapt to any type of steering and can be mounted on existing steering columns or integrated in the realization of steering column of new vehicles or other vehicles. More particularly, the device according to the invention is configured to replace the bearings of the mechanism inside the traditional steering column preferably without having to change the axis of the steering column.
- the device comprises an eccentric spherical bearing preferably disposed on the upper part of the steering column axis and a concentric spherical bearing preferably placed on the lower part of the steering column axis.
- the internal mechanisms of vehicle steering columns are mainly produced by using G concentric bearings so as to induce a perfectly coaxial rotation between the rotational movement of the handlebars and that of the wheel along the axis of the steering column.
- the tilt angle or caster angle of the steering column is also fixed.
- the transverse inclination of the steering column guide axis remains fixed or static for a set of frets, retainers installed or angle adjustment defined at both ends of the steering column axis.
- the guide axis of the steering column remains aligned in the longitudinal plane of the front and rear wheels of the vehicle, it is therefore impossible to vary the angle d 'transverse tilt guiding the column dynamically while driving in bends or bends.
- a main aim of the present invention is therefore to provide an internal steering column device making it possible to move transversely, all or part, of the guide axis of the steering column, preferably of the front wheel. , simultaneously with the rotation of the handlebars, which overcomes the drawbacks of the prior art.
- the present invention relates more particularly to an internal steering column device, of the type mentioned above, characterized in that the system comprises at least part of the steering column axis placed, connected or preferably integral. , eccentrically, and / or optionally obliquely, in a rotary guide element such as a rolling bearing or bearing.
- the present invention also relates to a rolling or spherical bearing intended to be securely attached to the axis of the steering column eccentrically.
- the present invention also relates to a bearing or concentric bearing intended to be fixedly fixed on the axis of the steering column obliquely. Thanks to these characteristics, the device makes it possible to dynamically modify the transverse angle of inclination of the guide axis of the steering column or to shift it laterally during the rotation of the axis of the steering column without having to change.
- the guiding elements of the steering column It is designed in such a way that it can replace existing bearings on the steering columns, thus allowing the benefits to be obtained without having to change the steering column.
- the system is designed to be robust, interchangeable and possibly reversible in order to guarantee safety and avoid any maintenance.
- Figure 1 is a top view of the eccentric spherical bearing
- Figure 1a shows a view along section A-A of Figure 1;
- - Figure lb shows a schematic top view of the alignment of the front and rear wheel of a vehicle
- FIG. 2 represents a front sectional view of the internal device of the steering column in the upright position
- FIG. 2a represents a front sectional view of the internal device of the steering column in the rotational position
- Figure 3 shows a front sectional view of the internal device of the steering column in the rotational position of a second variant of the invention
- Figure 4 shows a front sectional view of the internal device of the steering column in the rotational position of a third variant of the invention
- Figure 5 shows a front sectional view of the internal device of the steering column in the rotational position of a fourth variant of the invention
- Figure 6 shows a front sectional view of the internal device of the steering column in the rotational position of a fifth variant of the invention
- Figure 7 shows a front sectional view of the internal device of the steering column in the rotational position of a sixth variant of the invention.
- Figure 8 shows a sectional view of an eccentric spherical bearing
- Figure 9 shows a front sectional view of the internal device of the steering column in the rotational position of a seventh variant of the invention.
- Figure 10 shows a front sectional view of the internal device of the steering column in the rotational position of an eighth variant of the invention.
- FIG. 11 shows a perspective side view of the internal device of the steering column, the bearings of which are not coaxial and have come out of the steering column, of a ninth variant of the invention.
- Figure 11a shows a front view of Figure 11
- Figure 11b shows a view along section A-A of Figure l ia
- Figure 11 shows a side view of figure 11
- Figure 1d shows a view along section B -B of figure lie
- the internal steering column device (9) according to a first embodiment, as illustrated in particular by FIG. 2, comprises an eccentric ball joint element (1), preferably in the form of a rolling or bearing, a concentric spherical element (20), preferably in the form of a rolling or bearing, placed on a steering column axle (10).
- the eccentric ball member (1) preferably has a opening (4) placed eccentrically, in the inner ring (3), on the axis (14) with respect to the center (17) of the eccentric ball member (1) in which the axis of the steering column ( 10) is maintained jointly and severally.
- the elements (1, 10, 20) of the internal steering column device (9) are placed in a hollow tube (not shown) generally called the steering column and which is normally part of the vehicle frame.
- the fork tubes are integrally fixed to the tube retaining supports (not illustrated), themselves fixed integrally with the lower and upper part of the steering column axis (10) according to a common execution in the construction of steering column of two-wheeled vehicle.
- the eccentric ball member (1) preferably comprises rollers (5) placed around an inner ring (3) and held in place by an outer ring (2).
- the rollers (5) are integrally connected between and can freely pivot along the profile (6) of the outer ring (2).
- the front wheel (96) is aligned with the rear wheel (97) along the longitudinal axis of the vehicle (93).
- the pivoting of the front wheel takes place on the longitudinal axis of the vehicle (93) at the point of contact (94) between the tire and the road.
- the axis of rotation (30 ') of the axis of the steering column (10) is "coaxial" in the transverse plane (95) to the longitudinal axis of the vehicle (93) with the common axis of rotation (30) of the eccentric ball member (1) and the concentric ball member (20), corresponding to the normal steering column guide axis .
- the axis of the steering column (10) pivots transversely to the maximum of an angle (B), represented by the axes (30, 30 ') during the rotation of the axis of the steering column (10) formed by the eccentric displacement of the opening (4), preferably secured by a key (8) with the axis of the steering column (10) and maintaining the axis of the steering column (10) in the concentric ball joint element (20).
- the transverse change of angle from 0 to (B) thus produced on the guide axis of the steering column, by turning the handlebars of the vehicle, makes it possible to dynamically modify the alignment front and rear wheels (warping) along the axis (93 ') during curves while driving, which makes the vehicle more manageable.
- the offset between the axles (93) and (93 ') produces an offset (98) of the rotating front wheel (96') on the road with the rear wheel (97) at the angle from 0 to (B) depending the length of the fork and the diameter of the wheels as well as the angle of rotation of the axis of the steering column (10).
- the offset (98) thus obtained can be either on the side corresponding to the change in trajectory of the vehicle or on its opposite depending on whether the position of the opening (4) is placed eccentrically on one side or the other of the center (17 ), through which normally passes the axis of rotation of the steering column axis (10), which is itself normally coaxial with the guide axis of the steering column.
- the offset (98) resulting from the offset of the wheels on the ground is preferably between 0 and 20mm. Driving is therefore improved in curves and increased safety during avoidance.
- the position of the concentric ball joint member (20) on the axis of the steering column (10) can be inverted with the eccentric ball joint member
- Figure 8 illustrates a spherical bearing (81) with an eccentric opening (84) placed in the inner ring (83) which can replace the eccentric ball member (1).
- the axis of the steering column (10) is secured and placed on its upper part in an eccentric ball-joint element (31) and on its lower part in a 180 ° opposite eccentric ball-joint member (320).
- the two opposing eccentric movements cause the steering column axis (10) to rotate transversely, at most, by an angle (B), represented by the axes (30, 30 '), thus creating the offset (98) as previously described.
- the axis of the steering column (10) is secured and placed obliquely on its upper part in an eccentric rolling element (41) and on its lower part. in a concentric ball member (420).
- the eccentric movement on the upper part in the eccentric rolling element element (41) rotates the axis of the steering column (10) transversely, at most, by an angle (B), represented by the axes (30, 30 '), thus creating the offset (98) as previously described.
- the internal steering column device (59) comprises a steering column axis (510) formed by an oblique part (510 ') coaxial on the link (511). ) with a second part (510 ”).
- the steering column axle part (510 ") is placed in a concentric bearing element (51) and its second part (510") is placed and fixed integrally in an eccentric ball joint element (520).
- the eccentric movement on the part (510 ') follows the oblique between the two parts (510', 510 ”) of the axis of the steering column.
- direction (510) forming, at most, a transverse angle (B), represented by the axes (30, 30 '), thus creating the offset (98) as previously described.
- the internal steering column device (69) comprises a steering column axis (610) formed by an oblique part (610 ') offset on the link (611). ) with a second part (610 ”).
- the steering column axle part (610 ") is placed in a concentric bearing element (61) and its second part (610") is placed in a concentric ball joint element (620).
- the eccentric movement on the part (610 ') follows the oblique between the two parts (610', 610 ”) of the axis of the steering column.
- direction (610) forming, at most, a transverse angle (B), represented by the axes (30, 30 '), thus creating the offset (98) as previously described.
- the internal steering column device (79) comprises an axis of the steering column (710) formed by an oblique part (710 ') coaxial on the link ( 711) with a second part (710 ”).
- the part of the steering column axis (710 ”) is placed in an eccentric rolling element (71) and its second part (710 ') placed in a rolling element (720) obliquely.
- the eccentric movement on the part (710 ') follows the oblique between the two parts (710', 710 ”) of the axis of the steering column.
- the internal steering column device (99) comprises an axis of the steering column (910) formed by an oblique part (910 ') coaxial on the link ( 911) with a second oblique part (910 ”).
- the part of the steering column axis (910 ”) is placed in a concentric rolling element (91) obliquely and its second part (910 ') placed in a rolling element (920) obliquely.
- connections (511, 611, 711, 911) can be made in the form of an assembly by welding, machining, gimbal or any suitable means.
- the internal steering column device (1099) comprises a steering column axis (1910) formed by a part (1910 ') off-center on the link (1911) with a second part (1910 ”).
- the part of the steering column axle (1910 ”) is placed in a concentric bearing element (191) and its second lower part (1910 ') placed in a bearing element (920) eccentrically and parallel to the part (1910 ”).
- the offset between the parts (1910 ', 1910 ”) of the steering column axis (1910) moves transversely / sideways, at most, by the distance (1930), the guide axis the steering column (1099) in a manner similar to the previous variants of the invention.
- the offset (98) is equal to the distance (1930) because there is no pivoting of the guide axis of the steering column but a direct transverse / lateral translation thereof. This is particularly useful for providing independent offset (98) of such things as fork length or wheel diameter.
- the caster angle is not affected by the invention, which may also be desired depending on the vehicle dynamics desired.
- the internal steering column device (109) comprises an axis of the steering column (110) placed at one end in a concentric ball joint member ( 120) and at its second end in an opening (104) placed eccentrically in the inner ring (113) of a concentric bearing (101) whose outer elements are not illustrated.
- the normal guide axis of the steering column forms with the axis of the steering column (110) an angle (B ), represented by the axes (30, 30 ').
- a ball joint (124) placed on the axis of the steering column (110) is positioned in the opening (104) and comprises at least one flat (134) allowing the axis of the steering column to be integrally pivoted ( 110) with the inner ring (113) during its rotation around the axis (30).
- a sleeve (not shown) is preferably attached to the upper part (144) of the steering column shaft (110) so as to allow its installation on the vehicle and easily adapt to different models of steering columns.
- the angle (B) When the axis of the steering column (110) is in the straight-ahead driving position, the angle (B) has no influence on the transverse alignment of the front wheel with the rear wheel of the vehicle.
- the angle (B) transversely off-centers the front wheel from the rear wheel of the vehicle thereby creating the offset (98) such as described above and induces the "warping" or spin movement desired to improve the handling of the vehicle,
- 420, 520, 620, 720, 920 can be produced in the form of ball bearings, roller bearings, needle bearings, bearings or any other similar means.
- Each ball joint element can be formed by a concentric ball joint bearing or any other type of mechanism allowing the rotation and pivoting of the axis of the steering column (10, 110, 510, 610).
- the opening (4) can have any shape such as, for example, round, square, rectangular, oval or according to any geometric profile. - When the opening (4) is round, its retention integral with the eccentric spherical bearing (1) can be achieved with a key or any other mechanical means.
- the rolling elements preferably have an outside diameter of less than 80 mm.
- the opening (4) preferably has a section greater than 1 cm2.
- the thickness of the rolling elements is preferably greater than 5 mm.
- the distance between the upper and lower rolling elements of the steering column axis is preferably greater than 50 mm.
- the eccentricity of the axis (14), distance (15) or distance (1930) between the axis of rotation of the rolling elements (1, 31, 41, 51, 61, 71, 101, 320, 420, 520, 620, 720) and the relative position of the opening (4, 84, 104) receiving all or part of the axis of the steering column (10, 110, 510, 710, 1910) is preferably greater than 2 mm.
- the steering column axis or one of its parts can be made so as to form directly part of the inner ring (3, 83, 113) of at least one of the rolling elements. previously described.
- the steering column axle is no longer detachable from the opening (4, 84, 104) which can be useful to reduce production costs or to realize special steering column mechanisms.
- all or part of the steering column axis can have any type of section, round, oval, square, rectangular or according to any geometric profile.
- the steering column axis can be made from
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steering Controls (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IB2020055601 | 2020-06-16 | ||
IB2020056012 | 2020-06-25 | ||
PCT/IB2021/055284 WO2021255649A1 (fr) | 2020-06-16 | 2021-06-15 | Dispositif interne de colonne de direction a roulement excentrique |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4149828A1 true EP4149828A1 (fr) | 2023-03-22 |
Family
ID=76601513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21734511.5A Pending EP4149828A1 (fr) | 2020-06-16 | 2021-06-15 | Dispositif interne de colonne de direction a roulement excentrique |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230278659A1 (fr) |
EP (1) | EP4149828A1 (fr) |
JP (1) | JP2023531161A (fr) |
CN (1) | CN115697827A (fr) |
WO (1) | WO2021255649A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11780528B2 (en) | 2020-05-21 | 2023-10-10 | Specialized Bicycle Components, Inc. | Adjustable head angle bicycles |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR890247A (fr) * | 1940-10-30 | 1944-02-02 | Cycle à moteur | |
CA963034A (en) * | 1972-10-26 | 1975-02-18 | Gary A. Robison | Motorcycle steering head angle adjustment |
DE3933058A1 (de) * | 1989-10-04 | 1991-04-11 | Breuer Bert Prof Dr Ing | Motorradlenkung |
JPH1134888A (ja) * | 1997-05-19 | 1999-02-09 | Nippon Seiko Kk | 電動式パワーステアリング装置 |
US7360963B1 (en) * | 2003-01-31 | 2008-04-22 | Gregory Lee Burns | Motorcycle triple clamp |
FR2880609B1 (fr) * | 2005-01-07 | 2007-02-23 | Jean Paul Lagar | Perfectionnement d'un dispositif a angle de chasse reglable d'une motocyclette |
DE102006024326A1 (de) * | 2006-05-24 | 2007-11-29 | Bayerische Motoren Werke Ag | Motorrad |
US8292316B2 (en) * | 2010-12-16 | 2012-10-23 | Vp Components Co., Ltd. | Angle-adjusting head parts for front fork |
DE102011086127A1 (de) * | 2011-11-10 | 2013-05-16 | Jochen Klieber | Fahrradsteuersatz mit Lenkwinkelverstellung |
DE102017119483B4 (de) * | 2017-08-25 | 2024-05-23 | MG Components GmbH & Co. KG | Fahrradsteuersatz mit Lenkwinkelverstellung |
DE202017004993U1 (de) * | 2017-09-26 | 2017-10-05 | Scott Sports Sa | Exzentrischer Gabelschaft |
CN110273918A (zh) * | 2019-06-24 | 2019-09-24 | 浙江华丰电动工具有限公司 | 一种带定向结构的偏心轴承 |
-
2021
- 2021-06-15 US US18/008,201 patent/US20230278659A1/en active Pending
- 2021-06-15 WO PCT/IB2021/055284 patent/WO2021255649A1/fr active Application Filing
- 2021-06-15 EP EP21734511.5A patent/EP4149828A1/fr active Pending
- 2021-06-15 JP JP2022575687A patent/JP2023531161A/ja active Pending
- 2021-06-15 CN CN202180040110.9A patent/CN115697827A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN115697827A (zh) | 2023-02-03 |
WO2021255649A1 (fr) | 2021-12-23 |
JP2023531161A (ja) | 2023-07-21 |
US20230278659A1 (en) | 2023-09-07 |
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