Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
  • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
  • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
  • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
  • B62B7/062—Coupling unit between front wheels, rear wheels and handle
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
  • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
  • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
  • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
  • B62B7/10—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body
  • B62B7/105—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body with the wheels staying in a fixed relation to each other
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
  • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
  • B62B2205/20—Catches; Locking or releasing an articulation
  • B62B2205/22—Catches; Locking or releasing an articulation remotely controlled, e.g. from the handlebar
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
  • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
  • B62B2205/20—Catches; Locking or releasing an articulation
  • B62B2205/24—Catches; Locking or releasing an articulation to hold in the folded position
• • 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
  • F16C11/00—Pivots; Pivotal connections
  • F16C11/04—Pivotal connections
  • F16C11/10—Arrangements for locking
• • 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

Definitions

• the invention relates to a multi-functional joint for sixteenkiappbare racks and in particular sixteenkiappbare stroller frames.
• the invention relates to a multi-functional joint for the articulated connection of two arranged in a common plane struts of a collapsible Gesteiis about a hinge axis and for simultaneous rotation of a third strut of the frame about an axis of articulation substantially parallel and laterally offset from this axis of rotation.
• the collapsible Gesteh is particularly suitable as a stroller frame with a slider bracket and two connected by a cross brace legs and a protruding from the cross brace strut, with three converging ends of the slide bracket, leg and cross brace are connected to each other by the multi-functional joint.
• Collapsible racks are known, in particular, for transport purposes, such as for baby strollers.
• a frame generally has a lower frame with front and rear wheels.
• An upper slide bracket is connected at its ends in each case articulated with a side strut, which leads to the lower frame and is connected to this articulated.
• the two side struts are connected to each other via a cross strut. Between this cross member and another (transverse) strut of the lower frame still runs a support strut,
• Such Tran sports frame looks elegant due to its Z-shape, which it has in the unfolded state when viewed from the side. Furthermore, such a structure can be compacted in a simple manner.
• the object of the invention is to provide a multifunction joint for a frame of the aforementioned type.
• the invention provides a multifunction joint for the movable connection of three struts of a collapsible frame, in particular for a collapsible pram frame! proposed with a slider bracket and two legs connected by a cross brace and a protruding from the cross brace support strut, wherein the multi-functional joint is provided with
• a rotary element rotatably mounted on the second joint element about a rotation axis, to which a third strut of the frame can be connected,
• An essential feature of the multi-functional joint according to the invention is the forced coupling of the pivoting movement of the two joint elements with the rotational movement of the rotary member.
• one of the two articulated elements is coupled via a link to the rotary element, which is arranged on the other of the two articulated elements.
• the handlebar is mounted at its one end eccentric to the hinge axis on the first Geienkelement, while it is mounted at its other end on the rotary member, eccentrically to its axis of rotation.
• a pivoting of the two joint elements leads to a movement of the handlebar, wherein the movement is converted by the eccentric bearing on the rotary member in a rotational movement of ⁇ same.
• the rotational movement of the rotary member is then converted into a rotation of the strut connected to the rotary member of the frame, in a rotational movement about the longitudinal axis of the strut.
• the third strut is rotated about its longitudinal axis.
• the multi-functional joint when the frame is in its up ⁇ folded position, is secured against accidental collapse.
• the multi-functional joint is provided with a locking and transport locking bolt, which is guided axially displaceably on the first joint member and a bolt receiving member on the second joint member, wherein the locking and transport securing bolt is biased toward the bolt receiving member and the bolt receiving member is provided with a first locking receiving opening for receiving the locking and transport securing bolt in a first pivoting position of the first and second articulated joints which they occupy when the frame is unfolded, and with a second transport securing latching opening for receiving the locking and transport securing boom in a second pivoting pos Ition of the first and second joint element, these men in the folded frame einneh ⁇ men.
• a manually operable actuator is in operative connection that the movement of the locking and Transport securing bolt out of the lock receiving opening of the bolt receiving member and against the biasing force is used.
• the first joint element is formed in two parts and has a first and a second mecanical hinge elements, which are arranged on both sides of the second joint element and this at least partially receive between them.
• the second joint element is formed in two parts and has a first and a second joint part, between which the link and the rotary member and, if present, the bolt receiving element are arranged.
• the above-described multifunctional joint according to the invention can be used to advantage in a stroller frame provided with a lower frame provided with front and rear wheels, two side struts each having a first and a second end, wherein the second ends are pivotally connected to the lower frame, in particular in the region of the rear wheels,
• transverse strut having two opposite ends and extending between the side struts
• a support strut which is non-rotatably connected to the transverse strut and supports it with respect to the lower frame
• the support strut is foldable about a folding axis extending transversely to its extent and parallel to the extension of the transverse strut, - a strut yoke which is essentially U-shaped and has a base stringe section and two side limb sections which are substantially parallel to one another and point in the same direction each having an end, and
• first hinge member is connected to the end of a side leg portion of the slider bracket, the second hinge member to the first end of a side strut and the rotary member of the multi-functional joint with one end of the cross brace
• FIG. 1 shows a perspective overall view of a stroller frame in the unfolded state
• FIG. 3 is an exploded view of a multi-functional joint, two of which are installed in the Ktnderwagengestell of FIG. 1, 4 is a detailed view similar to that of FIG. 2, but with partially exposed front ultibody,
• FIG. 5 is a perspective view of the stroller frame in the folded state
• FIG. 6 is a perspective view corresponding to the view of FIG.
• Fig. 1 shows abutsbeispie! a stroller frame 10 having a lower frame 12 with front wheels 14 and rear wheels 16. From the rear wheels 16 extend from the frame 12 up two side (support) struts 18, which in this embodiment as struts with shock absorber function are executed, but this is not mandatory for the invention.
• the two side struts 18 are interconnected by a cross strut 20.
• a two-part support strut 22 Between the transverse strut 20 and the lower frame 12 extends a two-part support strut 22, one upper support strut member 24 rotatably connected to the cross member 20, and the other lower strut member 26 is pivotally connected to a cross member 28 of the lower frame 12.
• the two support strut members 24,26 are hingedly connected by a hinged axis 29 arranged laterally of the support strut 22.
• the folding axis 29 extends substantially parallel to the longitudinal extent of the transverse strut 20.
• the pram gesture 10 has a slider bar 30, which comprises a base leg portion 32 and two side leg portions 34.
• a hand brake 36 which is not dargesteifte and extending through the tubes of the stroller frame 10 Bowden cables in operative connection with brakes on the rear wheels 16.
• Bowden cable guide On the Bowden cable guide will be discussed later.
• a side rail section 34, a side strut 18 and an end of the transverse strut 20 are movably connected via a multifunction or main joint 38.
• the structure of this main joint 38 is particularly shown in FIGS. 3, 4 and 6 are shown.
• the main rail 38 has a first hinge element 40, which is formed in two parts and comprises a first outer rail part 42 and a second outer hinge part 44. These two joint parts 42,44 each have one half of a hollow plug-in socket 46, on which the end of a side leg portion 34 of the slide bracket 30 can be plugged. Between the two joint parts 42,44 of the first joint member 40 is a second Geienkelement 48, which is also constructed in two parts and comprises the two joint parts 50,52. These two articulated joints form in the assembled state a plug-in socket 54, on which a side strut 18 is attachable or receive this side strut 18.
• the hinge axis about which the two hinge elements 40,48 are pivotable, is indicated in Fig. 3 at 56.
• the Geienkachse 56 is formed by the two sleeves 58th
• the one end 60 of a link 62 is rotatably mounted on or between the two joint parts 52 of the first Geienkelements 40.
• the two pins 64 which define an axis of rotation 65.
• the link 62 is located between the two Geienkteiien 50,52 of the second Geienkelements 48.
• the two pins 64 protrude through curved slots 66 in the two Geienkteiien 50,52 of the second joint member 48th
• a rotary element 68 is rotatably arranged, specifically about the axis of rotation shown at 70. Eccentric to this axis of rotation 70, namely at 72 in Fig. 3, the other end 74 of the arm 62 is mounted. If the first joint element 40 is then pivoted relative to the second joint element 48, the end 60 of the link 62 moves along the extent of the curved slots 66 and thereby rotates the rotary element 68 about its axis of rotation 70. The one connected to the rotary element 68 End of the transverse strut 20, so that this transverse strut 20 is rotated when the two hinge elements 40,48 are pivoted relative to each other.
• FIGS. 4 and 6 The position of the link 62 of a hinge 38 in the unfolded and folded position of the stroller section 10 is shown in FIGS. 4 and 6 are shown.
• the joint 38 or each of the joints 38 has a locking and transport securing bolt 76, which is guided axially movably on the first joint element 40.
• the bolt 76 points in the direction of a bolt receiving element 78, which is arranged on the second joint element 48.
• the bolt receiving element 78 thus changes its position and orientation relative to the bolt 76 when the two pivot elements 40, 48 are pivoted.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=45976299

Family Applications (1)

Country Status (3)

Families Citing this family (4)

Family Cites Families (7)

• 2012
  • 2012-04-02 WO PCT/EP2012/055960 patent/WO2013149641A1/de active Application Filing
  • 2012-04-02 EP EP12714994.6A patent/EP2834126A1/de not_active Withdrawn
  • 2012-04-02 CN CN201280000149.9A patent/CN103492254B/zh not_active Expired - Fee Related

Non-Patent Citations (1)

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