CN101670845B - Directing mechanism of stroller wheel - Google Patents
Directing mechanism of stroller wheel Download PDFInfo
- Publication number
- CN101670845B CN101670845B CN2008102138839A CN200810213883A CN101670845B CN 101670845 B CN101670845 B CN 101670845B CN 2008102138839 A CN2008102138839 A CN 2008102138839A CN 200810213883 A CN200810213883 A CN 200810213883A CN 101670845 B CN101670845 B CN 101670845B
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- tie
- wheel seat
- arm
- reference device
- attitude reference
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Abstract
The invention discloses a directing mechanism of a stroller wheel, which comprises a positioning wheel seat and a rotating wheel seat, wherein the positioning wheel seat is arranged at the lower end of a bracket and is provided with a first articulated part and a first positioning part; the wheel is fixed on the rotating wheel seat; and the rotating wheel seat comprises a second articulated part, a pulling plate and an elastic component, wherein the second articulated part is used for being articulated to the first articulated part so that the wheel turns freely, the pulling plate can be vertically and glidingly combined to the rotating wheel seat, the upper end of the pulling plate is provided with a second positioning part which is in interference with the first positioning part to direct the wheel, and the elastic component is arranged between the rotating wheel seat and the pulling plate.
Description
Technical field
The present invention relates to the attitude reference device of a kind of perambulator, particularly a kind of stroller wheel.
Background technology
US Patent the 4th, 608 discloses a kind of perambulator front-wheel attitude reference device for No. 729, and as Fig. 8, shown in Figure 9, this mechanism is provided with in the lower end of front frame 10 to link sleeve 1, and is equipped with axle 2 on sleeve 1, and axle 2 lower ends are then combination 3 then.Be respectively equipped with guide rail 13 and 5 in linking on sleeve 1 and the combination 3, and be provided with sliding shoe 4 in guide rail 13 and 5.Combination 3 is linked to the front-wheel (not shown) subsequently.In the time of will wanting to make the free rotation direction of perambulator front-wheel, then make slide block 4 be fixed in guide rail 13 places of sleeve 1, as shown in Figure 8; And when want to make perambulator fixing before just or the dead aft when mobile, then need first front wheel, make the guide rail 5 of combination 3 corresponding with the guide rail 13 on linking sleeve 1, and with sliding shoe 4 to lower slider, make it be positioned at guide rail 5 places of guide rail 13 with the combination 3 of binding sleeve 1 simultaneously, as shown in Figure 9, so as to front-wheel is fixing forward.
Yet this existing attitude reference device must be fixing exactly forward with front-wheel earlier when orientation, so that it is corresponding with the guide rail 32 of combination 3 to link the guide rail 13 of sleeve 1, could successfully sliding shoe 4 be moved downwards, finishes the directional operation of front-wheel at last.So method of operation is not very convenient, has and need further be improved.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of easy to operate stroller wheel detent mechanism that uses.
The attitude reference device of a kind of stroller wheel of the present invention is located between the support and a wheel of perambulator, it is characterized in that this attitude reference device comprises:
One location wheel seat is located at this support lower end and is had one first articulated section and one first location division;
One rotates wheel seat, and this wheel is fixed on this rotation wheel seat, and this rotation wheel seat comprises: one second articulated section in order to be pivoted to this first articulated section, freely turns to for this wheel; The sliding tray of one above-below direction, this sliding tray lower edge defines a ratchet; One arm-tie, can slide up and down to be bonded to this sliding tray, and this arm-tie lower end is provided with buckling parts that should ratchet, make when this arm-tie is pulled down, this buckling parts is buckled on this ratchet, and be provided with one second location division in this arm-tie upper end, in order to interfering, with this wheel orientation with this first location division; And an elastic parts, be located between this rotation wheel seat and this arm-tie;
Wherein, when did not interfere this second location division and this first location division, this arm-tie compressed this elastic parts and accumulates an elastic force, and this rotation wheel seat can be located wheel seat with respect to this and rotated;
When this rotation wheel seat turns to when making this second location division corresponding to this first location division, this elastic parts provides elastic force to activate this arm-tie, this second location division and this first location division is interfered, to locate this rotation wheel seat.
Because the present invention comprises the location wheel seat of being located at the support lower end, reaches the arm-tie that slidably is installed on the permanent seat with rotation wheel seat that the location wheel seat combines and is located on the wheel; Wheel seat lower end, location is provided with first location division.When arm-tie was not fixed to first location division, wheel can be done turning to of any direction, and perambulator can be moved toward all directions; And when wanting to make perambulator forward, then make arm-tie upwards insert first location division, then perambulator can only move towards single direction, can't be movable arbitrarily.
Description of drawings
The block diagram that Fig. 1 is an attitude reference device of the present invention when fixing vehicle wheel not.
Fig. 2 is the exploded drawings of attitude reference device of the present invention.
Fig. 3 is the birds-eye view of rotation wheel seat of the present invention and arm-tie.
Fig. 4 is the upward view of the location wheel seat of attitude reference device of the present invention.
Fig. 5 is an attitude reference device of the present invention in the wheel constructed profile of stationary state not.
Fig. 6 is that attitude reference device of the present invention is in the solid timer-operated constructed profile of wheel.
Fig. 7 is the section-drawing of attitude reference device of the present invention in other direction.
Fig. 8 is the not solid timer-operated constructed profile of the direction locating mechanism front-wheel of existing front-wheel.
Fig. 9 is the constructed profile of front-wheel stationary state of the direction locating mechanism of existing front-wheel.
The specific embodiment
The present invention is described in more detail below in conjunction with accompanying drawing.
Fig. 1 shows the stereoscopic figure with wheel 20 according to attitude reference device 100 of the present invention.As shown in Figure 1, the attitude reference device 100 of stroller wheel of the present invention is located between perambulator support (not shown) and the wheel 20, and this attitude reference device 100 comprises location wheel seat 30; Be fixed to the rotation wheel seat 50 of locating wheel seat 30 with pivot joint, this rotation wheel seat 50 has an arm-tie 90 and can slide up and down on this permanent seat 50.These arm-tie 90 upper ends are provided with a tongue-shaped registration mast 92, in order to when arm-tie 90 upwards draws, insert location wheel seat 30, for the usefulness of fixing vehicle wheel 20.
As shown in Figure 2, the exploded drawings of attitude reference device 100 of the present invention, as previously mentioned, it comprises location wheel seat 30, rotates wheel seat 50, arm-tie 90.Location wheel seat 30 then shown in the upward view of Fig. 4, define down circular groove 32 (representing) with the dotted line scope with respectively radially relative be located at before the circular groove 32 and after deep-slotted chip breaker 36,38.
Get back to Fig. 2, the upper end of this rotation wheel seat 50 is provided with sleeve 52, is suitable for rotatably to be pivoted to this circular groove 32 (being shown in Fig. 4,5 and 6), freely turns to for wheel.In addition, as Fig. 5 and shown in Figure 6, the pivot joint that location wheel seat 30 and rotation wheel seat are 50, then be further to be finished by permanent seat 50 centerpivot 53 that protrudes upward and the bearing 33 that is defined in 30 times ora terminalis of location wheel seat, perhaps, the end of pivot 53 can define side direction trip 55, as Fig. 3 and shown in Figure 7, in order to after passing bearing 33, be buckled in the upper limb of bearing 33, be fixed on the rotation wheel seat 50 will locate wheel seat 30 pivot joints.Preferably, the protrusion direction of two side direction trips 55 is opposite.Certainly, the position that bearing 33 and pivot are 53 can exchange mutually, that is, be provided with bearing and locate wheel seat 30 lower ends and then be provided with pivot down on permanent seat 50, equally also can finish articulating fixing purpose.
As shown in Figure 2, in arm-tie 90 bodies upper end, one-body molded have a registration mast 92, it has than arm-tie 90 bodies is wide width, and near the body centre, then towards having two L type fingers 94 (only illustrating among the figure), the end of two L type fingers is respectively towards opposite sense, in the draw-in groove 56 that is snapped into Fig. 2 as described later.And, then define fin 96 in arm-tie 90 lower ends, spur this arm-tie 90 for the user, and, then be provided with the buckling parts 98 that defines an engaging groove at the opposing face of fin 96.In the below of registration mast 92, then define a horizontal plate 95 (being shown in Fig. 5 and Fig. 6), in order in retracing spring 60 is installed in sliding tray 54 time as the stopper of spring 60.
Also be provided with sliding tray 54 in the vertical direction up and down of rotation wheel seat 50, its width is the width that cooperates this arm-tie 90, so that arm-tie 90 is slided up and down in wherein, and as shown in Figures 2 and 3, in the middle of sliding tray 54, define draw-in groove 56 to upper end parts, slide on wherein for the registration mast 92 and the L type finger 94 of arm-tie 90.Cooperating of registration mast 92 and L type finger 94 inserted in the draw-in groove 56, makes arm-tie 90 not only can slide up and down, and also can guarantee that arm-tie 90 is unlikely from sliding tray 54 simultaneously to get loose.As shown in Figure 2, in the sliding tray 54, then taken in a retracing spring 60, its lower end is fixed on the projection 57 of sliding tray lower edge, when rotating wheel seat 50 to be bonded to when arm-tie 90, provides restoring force upwards.And sliding tray 54 lower edges that rotate wheel seat 50 define a ratchet 58, and in order to when arm-tie 90 quilts are pulled down, buckling parts 98 hooks of its lower end are to the ratchet 58 of sliding tray lower edge, and arm-tie 90 is fixed in the location.
As shown in Figure 5, the section-drawing that shows foundation attitude reference device 100 of the present invention.Show that wherein arm-tie fin 96 is pulled down to the location, make the registration mast 92 of arm-tie 90 upper ends not insert deep-slotted chip breaker 36, and make the wheel (not shown) can do turning to of any direction, the buckling parts 98 of arm-tie 90 lower ends then hook in the ratchet 58 that rotates wheel seat 50 lower ends.Then be positioned 95 of the flat boards of post 92 belows of retracing springs 60 in the sliding tray 54 press down, and are in compressive state.
When the user reaches arm-tie fin 96 forward when upwards carrying, the buckling parts 98 of arm-tie 90 breaks away from the ratchet 58 of sliding tray 54 lower edges that rotate wheel seat 50, under the effect of retracing spring 60, arm-tie 90 can upwards move along sliding tray 54 automatically, make the registration mast 92 of arm-tie 90 upper ends be inserted in the deep-slotted chip breaker 36, as shown in Figure 6, make wheel freely not turn to, present stationary state.And when the user wants to make wheel capable of free rotation, then with arm-tie fin 96 to pressing down, make buckling parts 98 hook and being fixed on the ratchet 58 once more to make wheel capable of free rotation once more.As shown in Figure 6, the upper limb of the lower edge of buckling parts 98 and ratchet 58 is respectively equipped with the inclined-plane that matches, and moves down to make things convenient for arm-tie.
Though, detent mechanism of the present invention, it is the function that each assembly is described with clear and definite assembly, shape, but person skilled in the art person can find out various possible variations, modification after the announcement by the present application, for example, though the registration mast shown in the present invention is tongue-shaped, and cooperation last two corresponding deep-slotted chip breakers, yet, in fact the section of registration mast and fit can be rectangle or square, and simultaneously, elastic parts is to be illustrated with spring, but also may be able to be replaced, as rubber bumper or the like with other elastic body.In addition, though invention is bonded to arm-tie in the sliding tray with L type finger with other, obviously also can provide more powerful combination directly with locating the extension of tongue piece one and being connected to this L type finger.
Claims (16)
1. the attitude reference device of a stroller wheel is located between the support and a wheel of perambulator, it is characterized in that this attitude reference device comprises:
One location wheel seat is located at this support lower end and is had one first articulated section and one first location division;
One rotates wheel seat, and this wheel is fixed on this rotation wheel seat, and this rotation wheel seat comprises: one second articulated section in order to be pivoted to this first articulated section, freely turns to for this wheel; The sliding tray of one above-below direction, this sliding tray lower edge defines a ratchet; One arm-tie, can slide up and down to be bonded to this sliding tray, and this arm-tie lower end is provided with buckling parts that should ratchet, make when this arm-tie is pulled down, this buckling parts is buckled on this ratchet, and be provided with one second location division in this arm-tie upper end, in order to interfering, with this wheel orientation with this first location division; And an elastic parts, be located between this rotation wheel seat and this arm-tie;
Wherein, when did not interfere this second location division and this first location division, this arm-tie compressed this elastic parts and accumulates an elastic force, and this rotation wheel seat can be located wheel seat with respect to this and rotated;
When this rotation wheel seat turns to when making this second location division corresponding to this first location division, this elastic parts provides elastic force to activate this arm-tie, this second location division and this first location division is interfered, to locate this rotation wheel seat.
2. attitude reference device according to claim 1 is characterized in that: this first articulated section is a bearing, and this second articulated section is a pivot.
3. attitude reference device according to claim 1 is characterized in that: this first articulated section is a pivot, and this second articulated section is a bearing.
4. according to claim 2 or 3 described attitude reference devices, it is characterized in that: this pivot end defines the reciprocal side direction trip of a pair of protrusion direction, in order to engaging this bearing, should locate wheel seat and this rotation wheel seat combines.
5. attitude reference device according to claim 1 is characterized in that: this first location division is a groove.
6. attitude reference device according to claim 5 is characterized in that: this groove comprises one first groove and one second groove, lays respectively on the radially relative both sides of this location wheel seat.
7. attitude reference device according to claim 6 is characterized in that: the cross section of this groove is arc or rectangle.
8. attitude reference device according to claim 5 is characterized in that: this second location division is a registration mast
9. attitude reference device according to claim 1 is characterized in that: the upper limb of this ratchet is provided with the inclined-plane and the buckling parts lower edge is provided with inclined surface, in order to arm-tie to lower slider.
10. attitude reference device according to claim 1 is characterized in that: this arm-tie has a fin, is located at the direction opposite with this buckling parts, gets loose from this ratchet in order to this buckling parts.
11. attitude reference device according to claim 10 is characterized in that: this second location division and this fin are arranged at the opposite end up and down of this arm-tie respectively.
12. attitude reference device according to claim 1 is characterized in that: this rotation wheel seat also has a draw-in groove, and this draw-in groove is communicated with this sliding tray, and this second location division is mounted slidably in this draw-in groove.
13. attitude reference device according to claim 12 is characterized in that: this arm-tie comprises a body and a L type finger, and this L type finger is towards the direction extension of this this dignity dorsad;
Wherein, the end of this L type finger is positioned at this draw-in groove, moves in this sliding tray to limit this body.
14. attitude reference device according to claim 13 is characterized in that: this L type finger comprises one the one L type finger and one the 2nd L type finger, and the end of a L type finger and the 2nd L type finger protrudes respectively in the opposite direction.
15. attitude reference device according to claim 1 is characterized in that: this rotation wheel seat has a projection in an end of this sliding tray, and this elastic parts is sheathed on this projection.
16. attitude reference device according to claim 15 is characterized in that: this arm-tie laterally is protruding with a horizontal plate, and this elastic parts is arranged between this flat board and this projection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102138839A CN101670845B (en) | 2008-09-10 | 2008-09-10 | Directing mechanism of stroller wheel |
| JP2008294800A JP2010064731A (en) | 2008-09-10 | 2008-11-18 | Travel direction lock mechanism for wheel of baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102138839A CN101670845B (en) | 2008-09-10 | 2008-09-10 | Directing mechanism of stroller wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101670845A CN101670845A (en) | 2010-03-17 |
| CN101670845B true CN101670845B (en) | 2011-08-10 |
Family
ID=42018323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102138839A Active CN101670845B (en) | 2008-09-10 | 2008-09-10 | Directing mechanism of stroller wheel |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2010064731A (en) |
| CN (1) | CN101670845B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057994B (en) * | 2013-03-22 | 2016-08-17 | 明门香港股份有限公司 | Directional device for wheel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2170891Y (en) * | 1993-08-02 | 1994-07-06 | 铝光企业股份有限公司 | Wheel base for perambulator |
| CN201056224Y (en) * | 2007-07-19 | 2008-05-07 | 陈荣财 | perambulator wheels bearing unit |
| CN201056225Y (en) * | 2007-05-16 | 2008-05-07 | 明门实业股份有限公司 | Truckle directionally locking mechanism and baby carriage having the truckle directionally locking mechanism |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030124Y2 (en) * | 1980-12-17 | 1985-09-10 | 葛西株式会社 | Swivel caster locking device for stroller |
| JPH0647322B2 (en) * | 1986-08-29 | 1994-06-22 | コンビ株式会社 | Stopper mechanism of caster in baby car |
| JPH081121Y2 (en) * | 1990-10-02 | 1996-01-17 | コンビ株式会社 | Stroller mechanism of stroller |
| JPH0859919A (en) * | 1994-08-23 | 1996-03-05 | Sumitomo Durez Co Ltd | Phenolic resin composition |
| JPH08324435A (en) * | 1995-06-02 | 1996-12-10 | Shinwa Sangyo Kk | Hand-cart |
| JP5100930B2 (en) * | 2001-03-23 | 2012-12-19 | コンビ株式会社 | stroller |
| JP4869083B2 (en) * | 2007-01-16 | 2012-02-01 | コンビ株式会社 | stroller |
-
2008
- 2008-09-10 CN CN2008102138839A patent/CN101670845B/en active Active
- 2008-11-18 JP JP2008294800A patent/JP2010064731A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2170891Y (en) * | 1993-08-02 | 1994-07-06 | 铝光企业股份有限公司 | Wheel base for perambulator |
| CN201056225Y (en) * | 2007-05-16 | 2008-05-07 | 明门实业股份有限公司 | Truckle directionally locking mechanism and baby carriage having the truckle directionally locking mechanism |
| CN201056224Y (en) * | 2007-07-19 | 2008-05-07 | 陈荣财 | perambulator wheels bearing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101670845A (en) | 2010-03-17 |
| JP2010064731A (en) | 2010-03-25 |
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