CN104781132A - Push carriage, especially infant carriage - Google Patents
Push carriage, especially infant carriage Download PDFInfo
- Publication number
- CN104781132A CN104781132A CN201280076991.0A CN201280076991A CN104781132A CN 104781132 A CN104781132 A CN 104781132A CN 201280076991 A CN201280076991 A CN 201280076991A CN 104781132 A CN104781132 A CN 104781132A
- Authority
- CN
- China
- Prior art keywords
- locking element
- wheel
- wheel flutter
- receiving element
- accommodation section
- 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.)
- Granted
Links
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
- B62B7/042—Steering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/04—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors
- B62B2301/046—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis
- B62B2301/0463—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis by blocking the rotation at a position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/04—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors
- B62B2301/046—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis
- B62B2301/0463—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis by blocking the rotation at a position
- B62B2301/04632—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis by blocking the rotation at a position at two or more positions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention relates to a push carriage, especially an infant carriage, comprising a plurality of wheels (14, 18) mounted on a chassis (12) and rotatable about rotational axes (26). At least one of the wheels (14, 18) is designed as a caster (24). The push carriage further comprises a locking unit (36) for optionally enabling or disabling the caster to swivel, comprising a blocking element (40) and a receiving element (44) having a blocking element receptacle (48) which can be moved in relation to each other between a blocking position and a release position, by bringing the blocking element (40) and/or the receiving element (44) into a prestressing state in which the blocking element (40) can be prestressed toward the receiving element (44) and/or in which the receiving element (44) can be prestressed toward the blocking element (40), and in which the blocking element (40) is automatically inserted into the blocking element receptacle (48) of the receiving element (44) when the caster (24) is then swiveled.
Description
Technical field
The present invention relates to a kind of go-cart, it is especially perambulator, toy car, walk helper etc.
Background technology
Go-cart, such as the go-cart of perambulator form usually has with push rod or is with handled support.Support is provided with multiple wheel, and described wheel can be bearing on support around pivot axis respectively.In order to cosily handle this go-cart, the support of some go-carts has at least one wheel, and described wheel is formed according to the type of wheel flutter, and described wheel flutter can around the pivot axis extending substantially transversely to the stretching, extension of its pivot center.At this, certainly advantageously, this wheel turned to optionally is fixed, and described wheel no longer can be turned to.To this, exist in the prior art be used for optionally discharging and lock wheel flutter can the fixed cell of pivotability.This fixed cell has locking element, the locking element accommodation section combined action of described locking element and receiving element.At this, an element in these two elements can move together when this wheel flutter pivotable, and another element in these two elements is fixing with regard to it.Two elements can move toward each other He away from each other, namely relative to each other can move between releasing position and latched position.Activate or forbid this fixed cell and such as carry out with hand or with pin at this.
Summary of the invention
The object of the invention is, provide a kind of go-cart, especially perambulator, what described go-cart had at least one wheel for being configured to pivotable wheel flutter can simply and the fixed cell of comfortable operation.
In order to solve described object, propose a kind of go-cart, especially perambulator by the present invention, described go-cart is provided with:
-support,
-multiple be arranged on support, can around the wheel of pivot axis,
-at least one wheel wherein in wheel is configured to can around the wheel flutter of pivot axis of pivot center trend extending substantially transversely to described wheel,
-the fixed cell that is associated with at least one wheel flutter, for optionally discharge and lock at least one wheel flutter can pivotability,
-wherein fixed cell have locking element when at least one wheel flutter pivotable together with move, with the receiving element of locking element accommodation section, described locking element and receiving element can relative to each other move between latched position and releasing position, in described latched position, locking element sinks in the locking element accommodation section of receiving element, and in described releasing position, locking element is in outside the locking element accommodation section of receiving element.
In this go-cart, propose according to the present invention:
-in order to by fixed cell described or wheel flutter from release can pivotability be transformed into that locking is described can pivotability, under locking element and/or receiving element can be placed in Pre strained state, under described Pre strained state, locking element can towards the direction pretension of locking element towards the direction of receiving element and/or receiving element, and under described Pre strained state, locking element wheel flutter subsequently pivotable time automatically sink in the locking element accommodation section of receiving element.
In go-cart according to the present invention, time in the position that described wheel flutter is not in for linear running, so fixed cell is also in order to lock can pivotability activating of at least one wheel that can turn to (i.e. wheel flutter).Namely when wheel flutter deviates from the linear running that will be locked for rotor wheel directed, fixed cell can be operated, this causes, these two are placed in the element, i.e. locking element and the receiving element that are engaged with each other and are placed in Pre strained state, under described Pre strained state, described locking element and receiving element such as flexibly relative to each other pretension.Therefore, at wheel flutter under described Pre strained state during pivotable, so when taking its linear running directed when wheel flutter is in pivotable, locking element is finally locked in locking element accommodation section.Thus, so first wheel flutter need not be placed in linear running position by user, described wheel flutter is locked, be fixed the comfortable operability of unit.
Therefore, the fixed cell proposed according to the present invention can via being particularly advantageous during the push-botton operation that can press at it.Button such as can be configured to pedal type switch, namely does by foot operation.By repeatedly pressing or action button, fixed cell is alternately discharging and is locking can converting between pivotability of wheel flutter.That is, by pressing button, the element (locking element or receiving element) in two elements travels forward, or rather, towards the direction of another element.At this, provide such as known from known cardioid mechanical device structure.As an alternative, also can use such as known from ballpoint pen mechanical device, wherein pen core alternately can be shifted out and move into by repeatedly pressing button.
Propose in other favourable design plans of the present invention, the locking element accommodation section of receiving element is arranged on following motion path, and receiving element and locking element relative to each other can move along described motion path when wheel flutter pivotable.As already mentioned above like that, when wheel flutter pivotable, receiving element and locking element relative to each other move.So namely arrange locking element accommodation section along motion path, as long as wheel flutter has not been in the linear running position that will lock when fixed cell activates, then (when receiving element and locking element pretension) locking element has sunk in described locking element accommodation section when wheel flutter pivotable.
Can propose in another favourable design plan of the present invention, each wheel flutter or a pair wheel flutter are equipped with fixed cell.Support can be provided with multiple wheel flutter as wheel flutter to or single wheel flutter.For every group the wheel flutter of pivotable jointly can suitably be provided with a fixed cell.Especially, can propose, support multiple, especially two wheel being configured to wheel flutter be respectively coupled each other via deflecting bar, and in the wheel flutter be coupled each other via deflecting bar one or deflecting bar are equipped with fixed cell.
A possible aspect according to the present invention proposes, the wheel being configured to wheel flutter has pivot bearings, described pivot bearings has the clutch shaft bearing element be placed on support and the second bearing element holding wheel or pair of wheels rotationally, described second bearing element can around pivotal axis to relative to clutch shaft bearing element rotation, locking element is arranged on movingly on clutch shaft bearing element between latched position and releasing position, and receiving element to be arranged on the second bearing element and can around pivotal axis together with described second bearing element, wherein receiving element is configured to towards locking element pretension, spring-loaded have dish as the sunk accommodation section of the locking element accommodation section for locking element or plate.
As already mentioned above like that, advantageously, locking element can be transformed into latched position against predetermincd tension by pressing button from releasing position, and can be followed predetermincd tension and be automatically transformed into releasing position from latched position by pressing button again.
Button is such as used to the operability of pin, suitable meeting is, the motion of pressing of button is angularly stretched with the motion of locking element, and button and locking element are via at least one inclined-plane on button or on locking element or to contact with each other by the inclined-plane on button and on locking element and near slip.
Be activate or forbid independently to take identical position (disengaging configuration) to make button and fixed cell, suitable meeting is, button presses towards with lower the direction pretension moving contrary.
At least one wheel except the support of go-cart according to the present invention is configured to except the fact of wheel flutter, and meeting suitable is in addition, at least one wheel being configured to wheel flutter can take off from support and can be coupled on support alternatively.Due to the taking off property of wheel flutter (and also having other wheels if desired from support), described support can fold to conserve space and receive.
Accompanying drawing explanation
Below, the present invention is elaborated according to embodiment and with reference to accompanying drawing.Illustrate in detail at this:
Fig. 1 is depicted as the block diagram of an embodiment of the go-cart of perambulator form,
Fig. 2 illustrates the section-drawing of the front-wheel running through the go-cart support according to Fig. 1 along line II-II, for front-wheel shown in it can the fixed cell be in its releasing position of pivotability,
Fig. 3 with according to Fig. 2, the section-drawing running through front-wheel is similarly shown, but fixed cell can pivotability locking,
Fig. 4 illustrates the view of cardioid mechanical device, in order to illustrate that wherein locking bolt is held in two final position respectively, wherein (again) action button for making locking element reciprocating mechanical device linearly by repeating button,
Fig. 5 and the view that perambulator is similarly shown according to the view of Fig. 1, but such as front-wheel off-straight advanced positions after steering procedure, and
Fig. 6 illustrates the section-drawing running through fixed cell of the line VI-VI along Fig. 5 under the element of two cooperations with each other of fixed cell and the Pre strained state of locking element and receiving element.
Detailed description of the invention
Fig. 1 illustrates an embodiment of go-cart, and this go-cart is perambulator 10 in this case.Perambulator 10 has support 12, and described support has two rear wheel 14 and two front wheel 18 arranged between two parties in this embodiment.Two front wheel 18 are positioned on common supporting member 20, and described supporting member can, around (vertically) pivot axis 22 pivotable, make these two front wheel 18 form according to the type of wheel flutter 24.Pivot center illustrates with 26 respectively, and when promoting perambulator 10, wheel is around described pivot axis.
Fig. 2 illustrates along line II-II and runs through front-wheel 18 and its bearing set on support 12 and the section-drawing of holding device.Holding element 20 is the bearing element 28 of pivot bearings 30, and another bearing element 32 of described pivot bearings is fixed and is placed on support 12.By means of installation bolt 34, a pair front-wheel can be comprised holding element 32 from bearing element 32 and and then take off from support 12 and again settle thereon, this can be such as favourable when folding and storage support.Install bolt 34 and limit pivot axis 22 in addition, rolling holding element 20 can around described pivot axis relative to support 12 pivotable.
Can be used to optionally to discharge and lock front-wheel right the fixed cell 36 of pivotability can comprise locking bolt 38 as locking element 40 and perforated pan 42 as receiving element 44.Perforated pan 42 is provided with accommodation hole 46 as locking element accommodation section 48, but also can have multiple this locking element accommodation section 48, so this implies: rolling holding element 20 can be locked in multiple different pivot position.This might not be favourable when perambulator, but also should not get rid of within the scope of this invention.
As according to Fig. 2 appreciiable, this is arranged in (pivotable) position, i.e. linear running position to front-wheel 18, and wherein bolt 38 directly flushes with the accommodation hole 46 of perforated pan 42.When in described position lower by locking bolt 38 (this is undertaken by action button 50) time, so locking bolt 38 to sink in the accommodation hole 46 of perforated pan 42 and about pivotability locking holding element 20 together with front-wheel 18 (see Fig. 3).When again action button 50, locking bolt 38 due to clamping spring 49 upward movement again, as shown in Figure 2.The described linear crank motion of locking bolt 38 such as carries out by means of cardioid mechanical device, as schematically illustrated in the diagram.Cardioid mechanical device has cardioid chute 47, directing pin 45 in described cardioid chute, described pin is connected pivotly with locking bolt 38, and after pressing button 50, by locking bolt 38 respectively the top of two typically relative to each other symmetrical half pars convolutas 43,41 with the point of connection of bottom on be fixed in locking or releasing position.Because known cardioid mechanical device, is no longer described in detail to this within the scope of this invention in principle.Also not necessarily it is required that cardioid mechanical device is used for locking bolt and moves between its releasing position (see Fig. 2) and its latched position (see Fig. 3).Also N/R is, locking element 40 is can linearly moving locking bolt 38; Can use equally within the scope of this invention along the reciprocating locking element of pars convoluta.
The feature of fixed cell 36 is, if the pivot position off-straight of front-wheel 18 runs as appreciiable in figures 4 and 5, so locking bolt 38 also can be moved by action button 50.That is this represents, lower press locking bolt 38 time, described locking bolt can not sink in the accommodation hole 46 of perforated pan 42 simultaneously, this itself represent, can first not descend press locking bolt 38.But owing to being provided with elasticity pretension between locking bolt 38 and perforated pan 42, it is possible that however, can descend by locking bolt 38.This is such as shown in Figure 6.Perforated pan 42 in the spatial accommodation 52 of holding element 20 towards the direction of locking bolt 38 by means of helical compression spring 54 elasticity pretension, namely when locking bolt 38 by lower by and when this does not sink in accommodation hole 46 perforated pan 42 can be displaced in spatial accommodation 52.If now from according to the situation of Fig. 6, wherein fixed cell 36 be in it can in the position of pivotability for locking, holding element 20 and and then a pair front-wheel 18 pivotable, so lower by and the locking bolt 38 that departs from arrived by following manner when pivotable in the accommodation hole 46 of perforated pan 42: described perforated pan 42 is pushed on the locking bolt 38 of disengaging due to its predetermincd tension.
As appreciiable with reference to the accompanying drawings, button 50 is along the axial-movement represented with double-head arrow 56, and the moving direction 58 of described axis and locking bolt 38 angularly moves towards.Button 50 is tightened to it in advance by means of pressure spring 60 in addition and presses off in position.The press element 62 vertically moved via being arranged on button 50 that the motion of button 50 turns to into locking bolt 38 carries out, described press element has inclined-plane or sliding surface 64, end face 66 combined action of described inclined-plane or sliding surface and locking bolt 38, and slide along described end face 66 when action button 50.
Claims (9)
1. go-cart, especially a perambulator, have:
-support (12);
-multiple at the upper wheel (14,18) that arrange, that can rotate around pivot center (26) of described support (12),
At least one wheel in-wherein said wheel (14,18) is configured to the wheel flutter (24) of pivot axis (22) pivotable can moved towards around the pivot center (26) extending substantially transversely to described wheel, and
-the fixed cell (36) that is associated with wheel flutter described at least one (24), for optionally discharge and lock wheel flutter described at least one (24) can pivotability,
The receiving element (44) that-wherein said fixed cell has locking element (40) and moves together during wheel flutter (24) pivotable described at least one, described receiving element has locking element accommodation section (48), described locking element and receiving element can relative to each other move between locking element accommodation section (48) and releasing position, in described locking element accommodation section, described locking element (40) sinks in the described locking element accommodation section (48) of described receiving element (44), in described releasing position, described locking element (40) is in outside the described locking element accommodation section (48) of described receiving element (44),
It is characterized in that,
-lock the pivotability of described energy in order to energy pivotability that is described fixed cell is described from release or a wheel flutter (24) be transformed into, under described locking element (40) and/or described receiving element (44) can be placed in Pre strained state, under described Pre strained state, described locking element (40) can towards the direction pretension of described locking element (40) towards the direction pretension of described receiving element (44) and/or described receiving element (44), and under described Pre strained state, described locking element (40) when described wheel flutter (24) subsequently pivotable automatically sink in the described locking element accommodation section (48) of described receiving element (44).
2. go-cart according to claim 1, it is characterized in that, the described locking element accommodation section (48) of described receiving element (44) arranges on following motion path, and described receiving element (44) and described locking element (40) relative to each other move along described motion path when described wheel flutter (24) pivotable.
3. go-cart according to claim 1 and 2, is characterized in that, each wheel flutter (24) or a pair wheel flutter (24) are equipped with fixed cell (36).
4. go-cart according to claim 1 and 2, it is characterized in that, described support (12) multiple, especially two wheels being configured to wheel flutter (24) be respectively coupled each other via deflecting bar, and a wheel flutter in the described wheel flutter (24) be coupled each other via described deflecting bar or described deflecting bar are equipped with fixed cell (36).
5. go-cart according to any one of claim 1 to 4, it is characterized in that, the described wheel being configured to wheel flutter (24) has pivot bearings (30), described pivot bearings has the clutch shaft bearing element (32) be placed on described support (12) and second bearing element (20) that can hold described wheel or pair of wheels rotationally, described second bearing element can rotate around described pivot axis (22) relative to described clutch shaft bearing element (32), described locking element (40) can be arranged on described clutch shaft bearing element (32) between described latched position and described releasing position with moving, and described receiving element (44) is arranged on described second bearing element (20) and goes up and can rotate around described pivot axis (22) together with described second bearing element, wherein said receiving element (44) is configured to towards described locking element (40) pretension, the dish of spring loading or plate, described dish or plate have sunk accommodation section as the locking element accommodation section (48) for described locking element (40).
6. according to the go-cart described in claim 1 to 5, it is characterized in that, described locking element (40) can be transformed into described latched position against predetermincd tension by pressing button (50) from described releasing position, and can follow described predetermincd tension and be automatically transformed into described releasing position from described latched position by again pressing described button (50).
7. go-cart according to claim 6, it is characterized in that, described button (50) lower is pressed motion and is angularly moved towards with the motion of described locking element (40), and described button (50) and described locking element (40) via on described button (50) or at least one inclined-plane on described locking element (40) or contact with each other by the inclined-plane on described button (50) and described locking element (40) and close slip.
8. the go-cart according to claim 6 or 7, is characterized in that, described button (50) presses towards with lower the direction pretension moving contrary.
9. go-cart according to any one of claim 1 to 8, it is characterized in that, be configured to wheel flutter (24) at least one described in wheel optionally can leave behind from described support (12) and can be coupled to described support (12).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2012/072261 WO2014071988A1 (en) | 2012-11-09 | 2012-11-09 | Push carriage, especially infant carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104781132A true CN104781132A (en) | 2015-07-15 |
| CN104781132B CN104781132B (en) | 2017-03-08 |
Family
ID=47221345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280076991.0A Expired - Fee Related CN104781132B (en) | 2012-11-09 | 2012-11-09 | Go-cart |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104781132B (en) |
| DE (1) | DE112012007117A5 (en) |
| WO (1) | WO2014071988A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327644A (en) * | 2017-01-19 | 2018-07-27 | 福特环球技术公司 | Roof-rack and vehicle comprising it |
| CN112078651A (en) * | 2019-06-13 | 2020-12-15 | 明门(中国)幼童用品有限公司 | Wheel rotation orientation mechanism and baby carriage |
| US11987281B2 (en) | 2019-09-11 | 2024-05-21 | Wonderland Switzerland Ag | Wheeled carrying apparatus |
| US11993302B2 (en) | 2019-06-13 | 2024-05-28 | Wonderland Switzerland Ag | Wheeled carrying apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018406A (en) * | 1983-07-08 | 1985-01-30 | Kassai Inc | Wheel stopping device |
| DE3532594A1 (en) * | 1985-09-12 | 1987-03-19 | Perego Pines Gmbh | STROLLER |
| DE29900264U1 (en) * | 1999-01-09 | 1999-04-08 | Ullmann, Michael, 48145 Münster | Locking device |
| DE202005010169U1 (en) * | 2005-06-27 | 2005-10-20 | Tan, Yi-Cheng | Front wheel mounting for push chair or baby carriage has an elastic stop to lock the steerable wheel for stability over rough ground |
| CN201012617Y (en) * | 2006-12-12 | 2008-01-30 | 中山市隆成日用制品有限公司 | Baby carrier wheel set orienting mechanism |
| IL183033A (en) * | 2007-05-07 | 2012-10-31 | Babyjogger Llc | Convertible single and multi-seat stroller |
-
2012
- 2012-11-09 DE DE112012007117.4T patent/DE112012007117A5/en not_active Withdrawn
- 2012-11-09 CN CN201280076991.0A patent/CN104781132B/en not_active Expired - Fee Related
- 2012-11-09 WO PCT/EP2012/072261 patent/WO2014071988A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327644A (en) * | 2017-01-19 | 2018-07-27 | 福特环球技术公司 | Roof-rack and vehicle comprising it |
| CN108327644B (en) * | 2017-01-19 | 2023-03-14 | 福特环球技术公司 | Roof rack and vehicle comprising same |
| CN112078651A (en) * | 2019-06-13 | 2020-12-15 | 明门(中国)幼童用品有限公司 | Wheel rotation orientation mechanism and baby carriage |
| US11993302B2 (en) | 2019-06-13 | 2024-05-28 | Wonderland Switzerland Ag | Wheeled carrying apparatus |
| US11987281B2 (en) | 2019-09-11 | 2024-05-21 | Wonderland Switzerland Ag | Wheeled carrying apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014071988A1 (en) | 2014-05-15 |
| CN104781132B (en) | 2017-03-08 |
| DE112012007117A5 (en) | 2015-07-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20171109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |