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WO2022038016A1 - Trottinette pliante à charnière pliante - Google Patents

Trottinette pliante à charnière pliante Download PDF

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Publication number
WO2022038016A1
WO2022038016A1 PCT/EP2021/072398 EP2021072398W WO2022038016A1 WO 2022038016 A1 WO2022038016 A1 WO 2022038016A1 EP 2021072398 W EP2021072398 W EP 2021072398W WO 2022038016 A1 WO2022038016 A1 WO 2022038016A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking
locking bolt
folding
spring
joint
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.)
Ceased
Application number
PCT/EP2021/072398
Other languages
German (de)
English (en)
Inventor
Christian KLOTHMANN
Markus-Claudius LÜTZNER
Florian WALBERG
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.)
Walberg Urban Electrics GmbH
Original Assignee
Walberg Urban Electrics 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 Walberg Urban Electrics GmbH filed Critical Walberg Urban Electrics GmbH
Publication of WO2022038016A1 publication Critical patent/WO2022038016A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B62K3/00—Bicycles
    • B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
    • 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
    • B62K15/00—Collapsible or foldable cycles
    • B62K15/006—Collapsible or foldable cycles the frame being foldable

Definitions

  • the invention relates to a folding scooter with a folding joint for folding the scooter.
  • Corresponding scooters generally have two axles, each with a floor roller, between which a running board is arranged.
  • One of the floor rollers can be steered via a handlebar, the handlebars of which are guided by a steering column that protrudes upwards essentially perpendicularly to the running board when the scooter is ready to drive.
  • the handlebars usually extend with their grips on either side of the handlebars and are often adjustable in height.
  • Such scooters usually have one or more folding and telescopic mechanisms in order to be able to transport and store them in a folded-up state in as little space as possible.
  • the driving characteristics and driving stability of non-folding scooters should be achieved as far as possible.
  • Most known folding scooters have a folding mechanism with which the steering column with the handlebar guided therein can be pivoted into a position in which the handlebar is essentially parallel to the running board.
  • the object of the present invention is to create a folding scooter with a folding joint in which the disadvantages known from the prior art no longer occur or only occur to a reduced extent.
  • the invention relates to a folding scooter comprising a running board arranged between two axles, each with at least one floor roller, and a steering column connected to the running board via a folding joint for a link of one of the two axles, with the link rotating around the link of a first and a second joint mount guided pivot axis between a folded and a ready-to-drive unfolded state, wherein the folding joint has a locking bolt extending parallel to the pivot axis, which on the first joint mount in a linear guide running radially to the pivot axis and on the second joint mount in a ring segment-shaped Link is guided with a radially to the ring segment and to the pivot axis extending first locking groove at a first end of the link such that the locking bolt zen in the ready-to-drive unfolded state of the handlebar to secure This state can be brought into engagement with the first locking groove by moving along the linear guide and is guided along the ring-segment-shaped connecting link when the handlebar is pivoted.
  • joint mounts The two components of the folding scooter, in which the pivot axis of the folding joint is each mounted and which can thus be pivoted about the pivot axis relative to one another, are referred to as "joint mounts".
  • the joint mounts can be separate components which, together with the pivot axis form a separate folding joint subassembly and are firmly connected to the other parts of the folding scooter.
  • the joint mounts can also be designed integrally with other components.
  • the handlebars are secured in the unfolded, ready-to-drive state by means of a locking bolt, which in this state only has to be moved along a linear guide in one joint mount, as a result of which the locking bolt engages with the first locking groove in the second joint mount is brought and so produces a form-fitting locking.
  • a ring segment-shaped link is provided in the second joint mount, along which the locking bolt zen - can be guided - with a corresponding position in the linear guide.
  • only the locking bolt needs to be moved by a distance corresponding to the depth of the first locking groove—that is, usually only a short distance.
  • the locking bolt is connected to a locking spring, which can be optionally preloaded by a tensioning lever that can be pivoted between a locking position and an unlocking position, in such a way that the locking bolt is in the locking position of the Clamping lever is urged in the ready-to-drive unfolded state of the link by the locking spring into engagement with the first locking groove and can be guided in the unlocking position in the ring segment-shaped link.
  • the lock can then be established or released simply by operating the clamping lever.
  • the clamping lever can in principle already be brought into the locking position before the handlebar has been brought fully into the unfolded state, i.e. the locking bolt is still in the area of the connecting link away from a locking groove.
  • the locking bolt then snaps into the locking groove due to the locking spring as soon as the handlebar is fully folded out and the linear guide of the locking bolt is aligned with the first locking groove.
  • the biasing spring can be designed to urge the clamping lever, starting from the unlocked position in the direction of the locking position, whereby the spring force of the biasing spring is transmitted to the locking bolt via the locking spring. If the tensioning lever is in the unlocking position and is pushed from there by the pretensioning spring in the direction of the locking position, the locking spring itself does not have to be tensioned in order to achieve the described snapping of the locking bolt into a locking groove. Rather, snapping is achieved solely by the pretensioning spring; the biasing spring deflects it, depending on the design, if necessary. only by the spring force of the preload spring or transmits this spring force to the locking bolt, but without generating its own spring force.
  • the pretensioning spring can be designed in such a way that on the one hand the said snapping of the locking bolt into a locking groove is possible, but on the other hand the friction of the locking bolt on the boundary of the link is sufficiently low that the pivoting of the link is not or only slightly impaired.
  • the spring force ultimately exerted on the locking bolt should, in the case of the prestressing spring, in particular be less than the spring force correspondingly exerted by the locking spring, which is required to secure the locking bolt in a locking groove when the clamping lever is in the locking position.
  • the pretensioning spring can preferably act directly on the tensioning lever and/or be designed as a spiral or torsion spring.
  • the locking bolt it is possible for the locking bolt to be guided in the unlocking position of the clamping lever in a stress-free manner in the connecting link in the form of a ring segment, d . H . neither about the locking spring or another element (e.g. also a pretensioning spring), a force should be exerted on the locking bolt, which may could lead to increased friction between the locking bolt and the connecting link.
  • Tension-free guidance ensures that the pivoting of the handlebars by the folding joint or whose locking is at least not affected by friction of the locking bolt in the connecting link.
  • the tensioning lever is held in the locking position by the locking spring (possibly in addition to a pretensioning spring).
  • the locking spring is tensioned to exert a force on the locking bolt.
  • a force of the same magnitude then also acts on the clamping lever.
  • a suitable choice of the connection point of the locking spring on the tensioning lever can cause the force in question to hold the tensioning lever in the locking position.
  • the locking spring can preferably be a tension spring. It can also be a setting element, for example an adjustment screw, be provided, with which the final spring force can be adjusted in the locking position of the clamping lever.
  • a further second locking groove is provided on the second end of the connecting link, extending radially to the ring segment and to the pivot axis.
  • the locking bolt can be selectively engaged in this second locking groove by sliding it along the linear guide to secure it.
  • the handlebar can therefore also be used when folded be secured, which, for example allows easy transport of the folding scooter when folded.
  • the first locking groove is designed to extend radially outwards in relation to the connecting link in the form of a ring segment.
  • the locking bolt can be preloaded with a tension spring, the corresponding configuration of the first locking groove allows for a favorable arrangement of the clamping device, for example a clamping lever.
  • the second locking groove is also designed to extend radially outwards in relation to the link in the shape of a segment of a ring, so that the locking bolt can be held in the second locking groove using the same operating principle as in the first locking groove.
  • the connecting link in the form of a segment of a ring is designed in the form of a segment of a circular ring and/or coaxially with the pivot axis.
  • the linear guide and/or the link in the form of a ring segment with at least one locking groove can be designed as recesses through which the locking bolt is guided.
  • a locking bolt that can be displaced parallel to the pivot axis can be provided, with which the locking bolt can be secured in engagement with the first locking groove at the first end of the connecting link by positive locking.
  • the blocking bolt can be displaced in such a way that it blocks the locking bolt's way out of the locking groove and thus secures it in the locking groove.
  • the safety bolt can be designed in such a way that, comparable to a bayonet catch, it is selectively secured by turning about its longitudinal axis in the locking bolt position in which the locking bolt is secured.
  • a spring can be provided which moves the securing bolt away from the locking bolt if it is not secured in said position by the mechanism similar to a bayonet catch.
  • the safety bolt can be moved via a toggle lever mechanism, with the dead center of the toggle lever mechanism being arranged between the locking bolt position in which the locking bolt is secured and the locking bolt position in which the locking bolt is free.
  • the toggle lever mechanism has to be overstretched when the locking bolt is moved between the two end positions mentioned, so that the locking bolt is secured at least in the position provided for securing the locking bolt.
  • Figure 1 a first embodiment of a folding scooter according to the invention
  • FIG. 2a, b schematic representations of different states of the folding scooter from FIG. 1;
  • FIGS. 3-6 schematic representations of the folding joint of the folding scooter from FIG. 1 in different states
  • FIG. 7a, b schematic representations of an additional securing of the folding joint from FIGS. 1 to 6;
  • FIG. 1 shows a folding scooter 1 according to the invention.
  • the folding scooter 1 comprises two axles 2 perpendicular to the plane of the page, each with a bottom roller 3 .
  • One floor roller 3 is rotatably mounted on one end of a footboard 4 and can be driven by an electric wheel hub motor 7 that is supplied with electrical energy by a battery integrated in the footboard 4 .
  • the other floor roller 3 is mounted on a link 5 .
  • the link 5 is rotatably guided in a steering column 6, with which the ground roller 3 mounted thereon can be steered.
  • the steering column 6 is connected to the running board 4 via a folding joint 10 .
  • the folding scooter 1 shown in the ready-to-drive state in FIG.
  • FIGS. 2a, b skiz These two states of the hinged joint 10 are shown in FIGS. 2a, b skiz. While FIG. 2a shows the folding joint 10 in the position provided for the unfolded state of the folding scooter 1 ready for driving, as shown in FIG. 1, the folding joint 10 in FIG.
  • FIGS. 3 to 6 the folding joint 10 of the folding scooter 1 from FIGS. 1 and 2 is shown in different states.
  • the hinged joint 10 is shown partially transparent in order to be able to illustrate the interaction of the individual components.
  • the figures with the suffix "b" are detailed representations of the corresponding figures with the suffix "a” in which some components are not shown in order to make details of the folding joint 10 easier to see.
  • FIG. 6 also shows such a detailed position.
  • the folding joint 10 comprises a pivot axis 11 which extends perpendicularly to the plane of the page in FIGS. 3 to 6 and is guided by a first and a second joint mount 12 , 13 .
  • a linear guide 14 is provided in the first joint mount 12 and extends radially to the pivot axis 11 .
  • the second joint mount 13 has a link 15 in the shape of a segment of a ring, more precisely a segment of a circular ring, which is coaxial with the pivot axis 11 .
  • a first locking groove 16 is provided at the first end of link 15 and extends radially outwards from pivot axis 11 .
  • a second locking groove 17 is provided at the other end of link 15 .
  • the linear guide 14 and the connecting link 15 are recesses in the respective joint mounts 12 , 13 .
  • a locking bolt 18 is provided which extends parallel to the pivot axis 11 and is guided simultaneously in the linear guide 14 and in the link 15 together with the locking grooves 16 , 17 .
  • the linear guide 14 and the connecting link 15 are matched to one another in such a way that the locking bolt 18 can be locked when the folding joint 10 or of the handlebar 5 (cf. FIG. 2a, b) is guided along the link 15.
  • the locking bolt 18 In a position of the folding joint 10 or the angular position between the two joint mounts 12, 13, the locking bolt 18 be displaced along the linear guide 14 in such a way that it is brought into engagement with one of the locking grooves 16 , 17 .
  • the hinged joint 10 is thereby blocked until the locking bolt 18 is moved out of the respective locking groove 16 , 17 again.
  • the locking bolt 18 is connected to a clamping lever 20 via the locking spring 21 which can be adjusted with the aid of the adjusting screw 22 .
  • the clamping lever 20 can be pivoted between the locking position shown in FIG. 3a and the unlocking position shown in FIGS. 4a and 5a.
  • the connection of the locking spring 21 to the clamping lever 20 is such that - with a suitable setting via the adjusting screw 22 - in the locking position of the locking bolt zen 18 with a corresponding position of the folding joint 10 in the direction of the locking grooves 16, 17 or is drawn into this .
  • the clamping lever 20 is pulled in the locking position by the locking spring 21 in the direction of the locking position and is thus secured. In the unlocked position, no spring force acts on the locking bolt 18, which is why it can be guided in the connecting link 15 free of tension.
  • Figure 3a, b shows the locking bolt zen 18 in engagement with the first locking groove 16 at the first end of the gate 15, so that the handlebar is secured in the unfolded state ready for driving.
  • the locking bolt zen 18 is held in the locking groove 16 by the locking spring 21 tensioned with the locking lever 20, the locking spring 21 simultaneously securing the locking lever 20 in the locking position shown.
  • Locking position applied spring force of the locking spring 21 can be the clamping lever 20 in Figure 4a Pivot unlocking position shown.
  • the locking bolt 18 is moved out of the locking groove 16 via the locking spring 21 and can thus be moved along the connecting link 15 without any problems.
  • FIGS. 5a, b The locking bolt 18 is located in the area of the second locking groove 17 .
  • FIGS. 7a, b a locking bolt 30, which can be displaced parallel to the pivot axis 11, is provided, which is shown in FIGS. 7a, b.
  • FIG. 7a shows the locking pin 30 in the securing position, the hinged joint 10 being shown partially transparent in order to be able to illustrate the interaction of the individual components.
  • FIG. 7b is a section through the hinged joint 10 in which the locking bolt 18 is released.
  • the locking bolt zen 30 is designed to be arranged when the locking bolt 18 engages in the first locking groove 16 in the link 15 in the area of the first locking groove such that the locking bolt zen 18 cannot be moved out of the locking groove 16 . As can be seen in FIG. 7a, it is sufficient for this if the locking bolt 30 protrudes only partially into the link 15. In order to release the locking bolt 18 so that the folding scooter 1 can be folded up (cf. FIGS. 3 to 6), the locking bolt zen 30 is pulled completely out of the link 15 (cf. FIG. 7a).
  • a toggle lever mechanism 31 is provided for actuating the locking bolt 30 .
  • the toggle lever mechanism 31 is designed so that the dead center of the toggle lever mechanism 31 is between the position of the locking bolt zens 30, in which the locking bolt zen 18 is secured ( Figure 7a) and the position of the locking bolt zens 30, in which the locking bolt zen 18 is free is ( FIG. 7b ) .
  • FIGS. 8a, b shows a variant of the folding joint 10 according to FIGS. 3 to 6 of the folding scooter 1 from FIG. 1 in two states that correspond to FIGS. 4a and 5a.
  • the hinged joint 10 of the embodiment variant largely resembles that of FIGS.
  • a preload spring 23 designed as a torsion spring, which acts on the clamping lever 20 and basically pushes it in the direction of the locking position and thus in the direction indicated by the arrow 90 in FIGS. 8a, b.
  • the pretensioning spring 23 the spring force of which is selected in such a way that it can easily be overcome during manual actuation in order to move the clamping lever 20 into the unlocking position shown in Figure 8a, causes the locking bolt 18 in the link 15 in the form of a ring segment to move in the general direction of the locking grooves 16, 17 and based on the ring segment-shaped backdrop 15 radially outward pulled . If the locking bolt 18 is located above a locking groove 16, 17, the locking bolt 18 snaps into the relevant locking groove 16, 17 solely because of the pretensioning spring 23, as shown by way of example in FIG. 8b.
  • the spring force of the preload spring 23 required for this is so low that - with a corresponding design of the preload spring 23 - the friction of the locking bolt zens 18 along the link 15 is sufficiently low that the pivoting of the handlebar 5 between the folded and a ready-to-drive unfolded state without any problems is possible and, if at all, is only imperceptibly affected.
  • the locking spring 21 transfers the spring force applied by the prestressing spring 23 to the locking bolt, but does not produce any additional spring force in the states shown in FIGS. 8a, b.
  • the pretensioning spring 23 does not have sufficient spring force to tension the locking spring 21 and thereby to move the tensioning lever 20 completely into the locking position. Rather, the clamping lever 20 remains in the position shown in FIG. 8b after it has engaged in a locking groove 16, 17.
  • manual actuation of the tensioning lever 20 is also required (cf. FIG. 3a).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Abstract

L'invention concerne une trottinette pliante (1) ayant une charnière pliante (10) pour replier la trottinette. La trottinette pliante (1) comprend une planche (4), qui est disposée entre deux essieux (2) ayant chacun au moins une roue (3), et une colonne de direction (6) pour un guidon (5) de l'un des deux essieux (2), ladite colonne de direction étant reliée à la planche (4) au moyen d'une charnière pliante (10), le guidon (5) pouvant pivoter autour de la charnière pliante (10), formée par un axe de pivotement (11) guidé par un premier et un second réceptacle d'articulation (12, 13), entre un état replié et un état déployé dans lequel la trottinette est prête à se déplacer. La charnière pliante (10) a une broche de verrouillage (18) s'étendant parallèlement à l'axe de pivotement (11), ladite broche de verrouillage étant guidée au niveau du premier réceptacle de charnière (12) dans un guide linéaire (14) s'étendant radialement par rapport à l'axe de pivotement (11) et au niveau du second réceptacle de charnière (13) dans un guide en forme de segment annulaire (15) avec une première rainure de verrouillage (16) s'étendant radialement par rapport au segment annulaire et à l'axe de pivotement (11) au niveau d'une première extrémité du guide (15), de telle sorte que la broche de verrouillage (18), à l'état déployé du guidon (5) dans lequel la trottinette est prête à se déplacer, afin de fixer cet état, peut être mise en prise avec la première rainure de verrouillage (16) en étant déplacée le long du guide linéaire (14), et est guidée le long du guide en forme de segment annulaire (15) lorsque le guidon (5) est pivoté.
PCT/EP2021/072398 2020-08-20 2021-08-11 Trottinette pliante à charnière pliante Ceased WO2022038016A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020121816.8 2020-08-20
DE102020121816.8A DE102020121816B4 (de) 2020-08-20 2020-08-20 Klapproller mit Klappgelenk

Publications (1)

Publication Number Publication Date
WO2022038016A1 true WO2022038016A1 (fr) 2022-02-24

Family

ID=77519117

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/072398 Ceased WO2022038016A1 (fr) 2020-08-20 2021-08-11 Trottinette pliante à charnière pliante

Country Status (2)

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DE (1) DE102020121816B4 (fr)
WO (1) WO2022038016A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202300018855A1 (it) * 2023-09-13 2025-03-13 Green Boy Srl Monopattino elettrico con sistema di ripiegamento.
WO2025214319A1 (fr) * 2024-04-07 2025-10-16 深圳市云睿物联科技有限公司 Chariot pliable ayant une fonction de freinage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29901184U1 (de) * 1999-01-25 1999-06-24 J.D. COMPONENTS CO., LTD., Shou-Shui, Changhua Zusammenklappbarer Roller
CN2430191Y (zh) * 2000-06-16 2001-05-16 久鼎金属实业股份有限公司 滑板车的收折机构
US20070085289A1 (en) * 2005-10-13 2007-04-19 Ming James W K Flooding scooter with wide lever
DE202016008449U1 (de) * 2015-07-25 2018-01-09 Design & Engineering Company Produktions- Und Vertriebs Gmbh Klappbarer Tretroller
WO2019034015A1 (fr) * 2017-08-15 2019-02-21 美国锐哲有限公司 Mécanisme de pliage pour une utilisation dans une trottinette
RU193884U1 (ru) * 2019-08-21 2019-11-19 Донггуан Хонгмэй Спортс Еквипмент Ко. Лтд. Тросовый складной самокат

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10025923A1 (de) 2000-05-27 2001-11-29 Kuji Sports Co Zusammenklappbarer Roller
CN204184531U (zh) 2014-11-14 2015-03-04 永康市沪龙电动车有限公司 滑板车的折叠机构
AT518205A1 (de) 2016-02-08 2017-08-15 Design & Eng Company Produktions- Und Vertriebs Gmbh Klappbarer Tretroller
DE202018101757U1 (de) 2018-03-28 2018-04-12 Fele Gmbh & Co. Kg Verbesserter Klappmechanismus für einen Elektroroller

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29901184U1 (de) * 1999-01-25 1999-06-24 J.D. COMPONENTS CO., LTD., Shou-Shui, Changhua Zusammenklappbarer Roller
CN2430191Y (zh) * 2000-06-16 2001-05-16 久鼎金属实业股份有限公司 滑板车的收折机构
US20070085289A1 (en) * 2005-10-13 2007-04-19 Ming James W K Flooding scooter with wide lever
DE202016008449U1 (de) * 2015-07-25 2018-01-09 Design & Engineering Company Produktions- Und Vertriebs Gmbh Klappbarer Tretroller
WO2019034015A1 (fr) * 2017-08-15 2019-02-21 美国锐哲有限公司 Mécanisme de pliage pour une utilisation dans une trottinette
RU193884U1 (ru) * 2019-08-21 2019-11-19 Донггуан Хонгмэй Спортс Еквипмент Ко. Лтд. Тросовый складной самокат

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202300018855A1 (it) * 2023-09-13 2025-03-13 Green Boy Srl Monopattino elettrico con sistema di ripiegamento.
WO2025214319A1 (fr) * 2024-04-07 2025-10-16 深圳市云睿物联科技有限公司 Chariot pliable ayant une fonction de freinage

Also Published As

Publication number Publication date
DE102020121816A1 (de) 2022-02-24
DE102020121816B4 (de) 2025-03-27

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