WO2025140936A2 - Manchon coulissant, unité d'actionnement et procédé de fabrication d'une unité d'actionnement - Google Patents

Manchon coulissant, unité d'actionnement et procédé de fabrication d'une unité d'actionnement Download PDF

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Publication number
WO2025140936A2
WO2025140936A2 PCT/EP2024/087527 EP2024087527W WO2025140936A2 WO 2025140936 A2 WO2025140936 A2 WO 2025140936A2 EP 2024087527 W EP2024087527 W EP 2024087527W WO 2025140936 A2 WO2025140936 A2 WO 2025140936A2
Authority
WO
WIPO (PCT)
Prior art keywords
sliding sleeve
housing
axial end
restoring means
sleeve
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
Application number
PCT/EP2024/087527
Other languages
English (en)
Other versions
WO2025140936A3 (fr
Inventor
Gregor BOETZELEN
Ralf Beckers
Ulrich MORENT
Felix EINSLE
Markus PRINZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elobau GmbH and Co KG
Original Assignee
Elobau GmbH and Co KG
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
Priority claimed from EP23220478.4A external-priority patent/EP4579375A1/fr
Priority claimed from EP23220481.8A external-priority patent/EP4579376A1/fr
Priority claimed from EP23220479.2A external-priority patent/EP4579374A1/fr
Priority claimed from PCT/EP2024/083168 external-priority patent/WO2025140806A1/fr
Application filed by Elobau GmbH and Co KG filed Critical Elobau GmbH and Co KG
Publication of WO2025140936A2 publication Critical patent/WO2025140936A2/fr
Publication of WO2025140936A3 publication Critical patent/WO2025140936A3/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/05—Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers

Definitions

  • the present invention relates to a sliding sleeve comprising two substantially cylindrical sleeve portions, an operating unit comprising a control adapter, a sliding sleeve, especially a sliding sleeve according to the invention, restoring means and a housing and a method for manufacturing an operating unit.
  • US 4,624,152 A1 discloses rotating casings of a sliding sleeve which are substantially cylindrical, wherein each of the rotating casings have a first axial end, a second axial end and an outwardly directed receiving region between these two ends. Further, a clearance casing is provided between the two casings. Furthermore, an activating device for activating the clutch of a motor vehicle is disclosed, wherein the activating device includes a drive mechanism with a control adapter in contact with a stationary pivot on a structure side, a sliding sleeve, a spring and a structure within which the controller, the sliding sleeve and the restoring means are at least partially accommodated. A shank spring is used as the spring which supports its one shank on the structure and the other shank on the control lever.
  • US 3,891 ,182 A1 discloses a slide valve comprising a housing, a slidable valve member which is guided in a passage and has a portion which extends out of the housing and is articulated to a lever which is pivoted to an arm. Further, the slide valve comprises a bolt which is arranged at a distance from the portion of the slidable valve member and a spring. The slide valve further comprises a first plate and a further plate, wherein the plates each comprise a first axial end, a second axial end and an outwardly directed receiving region between these two ends, wherein a diameter of the second axial ends is greater than a diameter of the receiving region.
  • the spring surrounds the bolt and the receiving regions of the plates in a longitudinal manner.
  • the inner friction of operating units can highly increase during use, due to the relative motion of the components adapted to the lever and the static ones and/or the springs.
  • the problem to be solved of the present invention is, to reduce inner mechanical friction of an operating unit during use and provide an easily manufactured, individual and cheap operating unit.
  • the first axial ends are preferably partially circumferential.
  • the first axial end of each sleeve portion has preferably two elongated webs, which are positioned radially on the opposite of each other.
  • the first axial ends and a part of the receiving region provide a lever opening.
  • the second axial ends have a substantially hollow cylindrical shape.
  • the two sleeve portions are equal or at least provide equal first axial ends and an equal longitudinal total length.
  • the term connect in case of the connection between the two sleeve portions should be understood as that they are attached to one another through the connection means which are formed at the first axial ends.
  • the connection means are formed at the first axial ends to attach the two sleeve portions coaxially and such that they are rotationally fixed to one another.
  • an outer diameter of the receiving region is axially constant.
  • shape of the outer diameter of the receiving region is included, which differs from constant by a value that can appear during manufacturing process. Further, the outer diameter of the receiving region is especially formed even.
  • the two sleeve portions each have position means for positioning the sliding sleeve on an operating unit, especially on a housing of the operating unit, wherein the position means are formed at the first axial end and/or at the second axial end and/or are especially formed as a part of a dovetail connection.
  • Positioning the position means on the second axial ends of the sliding sleeve is preferable, due to the fact that the receiving region is not interrupted. Further, possible external forces are evenly absorbed by the sliding sleeve and can be evenly transferred to the housing.
  • the position means are preferably evenly positioned on the second axial ends of the sliding sleeve, wherein the sliding sleeve can be guided and fixed by the position means at once. Therefore, the guiding direction of each position means is preferably equal to easily insert the sliding sleeve into the housing in use.
  • restoring means especially at least one torsion spring rest against the receiving region when in use, wherein the second axial end or the first and second axial ends form an axial stop for the restoring means when in use.
  • the second axial end is modified in such a way, that the length of the receiving region along a longitudinal axis of the sliding sleeve is adapted to the respective restoring means, which are adapted to the receiving region in use.
  • the second axial end becomes in its longitudinal length, the smaller the receiving regions becomes in its longitudinal length.
  • the total length of the sliding sleeve itself remains equal, wherein the total length of each sleeve portion remains equal too.
  • each of the two sleeve portions can have a different length and therefore different restoring means can be rested against the receiving regions of each of the two sleeve portions.
  • different torsion springs can be rested against the receiving regions of each sleeve portion to provide different restoring force depending on the motion of the control adapter in use.
  • the sliding sleeve is formed from a plastic, in particular from a non-reinforced plastic.
  • the function of the sliding is to generate less friction during a motion of a control adapter in use. Therefore, the outer surface of the sliding sleeve is preferably even.
  • Reinforced plastic includes especially glass fibre, which changes the macro structure of the plastic and constitute a rough surface.
  • the receiving region is reworked to create better sliding properties. Such a rework can preferably be done by grinding or coating.
  • the sleeve portions and the sliding sleeve are made by injection moulding or any printing processes. In general, the sleeve portions and the sliding sleeve can be formed from any material that can be used in an injection moulding process or printing process.
  • an operating unit comprising a control adapter comprising a lever adapter and a substantially cylindrical bearing seat, a sliding sleeve, especially a sliding sleeve according to the invention, wherein the sliding sleeve covers a lateral surface of the bearing seat at least partially radially and the sliding sleeve is arranged at a distance from the bearing seat, restoring means, wherein the restoring means rest against a receiving region of the sliding sleeve, and a housing, wherein the control adapter, the sliding sleeve and the restoring means are at least partially accommodated in the housing, wherein the control adapter is pivotally mounted relative to the housing, wherein the sliding sleeve is fixedly mounted in the housing, wherein the restoring means each rest against the control adapter and the housing in such a way that the restoring means generate a restoring force when the control adapter is relatively pivoted.
  • the bearing seat has an outer partly cylindrical surface, which is interrupted by the lever adapter in its middle along a longitudinal axis of the sliding sleeve.
  • the inner shape of the bearing seat may provide at least one stop for mounting a bearing.
  • the invention understands by “substantially cylindrical” a cylindrical shape, which might have some deviations from the mathematical definition of cylindrical. Such deviations appear especially during the manufacturing process.
  • the control adapter, especially the bearing seat is preferably in direct contact with the bearings only to generate less friction during a motion of the control adapter in use.
  • the sliding sleeve prevent the bearing seat to get in contact with the restoring means during motion and/or during potential deformation of the restoring means.
  • the restoring means each rest at least indirectly against the lever adapter and the housing in such a way that the restoring means generate a restoring force when the control adapter is relatively pivoted.
  • the sliding sleeve comprises especially two substantially cylindrical sleeve portions, wherein the sleeve portions are arranged to adapt the restoring means thereto. Each sleeve portion comprises one receiving region. If equal restoring means are rested against the receiving regions, equal sleeve portions are used. If different restoring means are rested, especially with different basic dimensions, different sleeve portions are used, wherein a first axial end of the sleeve portions by which they are connected to each other remain the same in every of these embodiments.
  • the housing provides a lever insertion part, wherein the lever adapter of the control adapter is inserted to the lever insertion part.
  • the lever insertion part is especially formed as an elongated hole, wherein the housing does not disturb the motion of the control adapter.
  • the operating unit may be a joystick as such or be a part of a joystick. It may for example be used in construction or agricultural vehicles.
  • the bearing seat is at least partially hollow cylindrical and is orientated axisymmetric, perpendicular to the lever adapter, wherein bearings are mounted to an inner surface of the bearing seat for mounting a control shaft pivotable relative to the control adapter, wherein the control shaft is fixedly mounted in the housing.
  • the control shaft has especially a screw-like shape and is inserted in the housing by two openings of the housing, wherein the openings of the housing have such dimensions, that the control shaft is guided and fixedly positioned therein, wherein a shaft head positioned on one end of the control shaft provides a stop on an outer surface of the housing and a thread positioned on another end of the control shaft is connectable with a nut for a fixed bearing of the control shaft.
  • the control shaft has further on its circumferential surface at least partly regions for receiving bearings, especially rolling bearings.
  • the regions of the control shaft for receiving bearings are positioned on a same position as regions of the bearing seat of the control adapter along the longitudinal axis of the sliding sleeve.
  • the control shaft and the control adapter are indirectly mounted through at least two bearings and are spaced apart from each other.
  • the restoring means are at least two torsion springs and/or the restoring means are orientated axisymmetric, perpendicular to the lever adapter. Torsion springs are able to receive a generated force during a rotational motion.
  • the control adapter is mounted to an operating lever on its lever adapter, wherein a longitudinal axis of the lever adapter is perpendicular to the longitudinal axis of the sliding sleeve, wherein the substantially cylindrical bearing seat of the control adapter is positioned concentrically to the sliding sleeve. Therefore, the restoring means are especially orientated concentrically to the bearing seat and/or a receiving region of the sliding sleeve.
  • the sliding sleeve provides two receiving regions, wherein at least one restoring means are mounted on each of the receiving regions.
  • An embodiment of the invention further provides that the restoring means have different restoring constants, especially the at least two torsion springs have different spring rates.
  • the restoring constants and especially the spring rates are chosen due to providing enough resistance to get the user a clear feedback and to restore the control adapter towards a starting position reliably.
  • the choice of the restoring constants can also depend on the fact, if a user needs to push or pull the operating lever and thus the control adapter.
  • the torsion spring has two ends, wherein one end rest against the control adapter and the other end rest against the housing. The torsion spring absorbs a relative motion between the control adapter and the housing.
  • the sliding sleeve comprises position means, wherein the sliding sleeve is positively and/or non-positively connected to the housing via the position means.
  • the position means are preferably part of the sliding sleeve especially they are formed to positively connect them to the housing without the need of any further components. More preferably the position means are positioned on the axial first end and/or the axial second end of the sleeve portions in order to provide a save mounting of the sliding sleeve within the housing without disturbing the usage of the receiving region.
  • the position means are especially formed by a dovetail connection, wherein the housing has respective dovetail connections for mounting the sliding sleeve.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Flexible Shafts (AREA)

Abstract

La présente invention concerne un manchon coulissant comprenant deux parties de manchon sensiblement cylindriques, les deux parties de manchon ayant chacune une première extrémité axiale, une seconde extrémité axiale et une région de réception dirigée vers l'extérieur entre la première extrémité axiale et la seconde extrémité axiale, la seconde extrémité axiale ou les première et seconde extrémités axiales ayant un diamètre externe plus grand que la région de réception, une extension axiale de la région de réception étant limitée au moins d'un côté par au moins la seconde extrémité axiale, des moyens de liaison étant formés au niveau des premières extrémités axiales pour relier les deux parties de manchon fixées de manière coaxiale et rotative l'une à l'autre, une unité de fonctionnement comprenant un adaptateur de commande, un manchon coulissant, en particulier un manchon coulissant selon l'invention, des moyens de rappel et un boîtier et un procédé de fabrication d'une unité de fonctionnement.
PCT/EP2024/087527 2023-12-28 2024-12-19 Manchon coulissant, unité d'actionnement et procédé de fabrication d'une unité d'actionnement Pending WO2025140936A2 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
EP23220479.2 2023-12-28
EP23220478.4A EP4579375A1 (fr) 2023-12-28 2023-12-28 Manchon coulissant, unité de commande et procédé de fabrication d'une unité de commande
EP23220481.8 2023-12-28
EP23220481.8A EP4579376A1 (fr) 2023-12-28 2023-12-28 Unité de commande
EP23220478.4 2023-12-28
EP23220479.2A EP4579374A1 (fr) 2023-12-28 2023-12-28 Élément de commande avec protection mécanique contre les surcharges
EPPCT/EP2024/083168 2024-11-21
PCT/EP2024/083168 WO2025140806A1 (fr) 2023-12-28 2024-11-21 Unité de commande

Publications (2)

Publication Number Publication Date
WO2025140936A2 true WO2025140936A2 (fr) 2025-07-03
WO2025140936A3 WO2025140936A3 (fr) 2025-09-12

Family

ID=94278597

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/087527 Pending WO2025140936A2 (fr) 2023-12-28 2024-12-19 Manchon coulissant, unité d'actionnement et procédé de fabrication d'une unité d'actionnement

Country Status (1)

Country Link
WO (1) WO2025140936A2 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891182A (en) 1972-11-11 1975-06-24 Bosch Gmbh Robert Arrangement for maintaining a shiftable member in a plurality of shifted positions
US4624152A (en) 1984-05-14 1986-11-25 Dr. Ing. H.C.F., Porsche Aktiengesellschaft Clutch activating device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5583464B2 (ja) * 2010-04-26 2014-09-03 日本精機株式会社 アクセル操作装置
TR201604770U (tr) * 2016-04-13 2017-10-23 Makersan Makina Otomotiv Sanayi Ticaret Anonim Sirketi Hassas Şekilde Çalışmaya Uygun Bir Endüstriyel Kumanda Kolu.
JP7203371B2 (ja) * 2018-10-18 2023-01-13 朝日電装株式会社 スロットルグリップ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891182A (en) 1972-11-11 1975-06-24 Bosch Gmbh Robert Arrangement for maintaining a shiftable member in a plurality of shifted positions
US4624152A (en) 1984-05-14 1986-11-25 Dr. Ing. H.C.F., Porsche Aktiengesellschaft Clutch activating device

Also Published As

Publication number Publication date
WO2025140936A3 (fr) 2025-09-12

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