CN2585806Y - Rocking car for children - Google Patents
Rocking car for children Download PDFInfo
- Publication number
- CN2585806Y CN2585806Y CN 02289832 CN02289832U CN2585806Y CN 2585806 Y CN2585806 Y CN 2585806Y CN 02289832 CN02289832 CN 02289832 CN 02289832 U CN02289832 U CN 02289832U CN 2585806 Y CN2585806 Y CN 2585806Y
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- Prior art keywords
- children
- wheel
- vehicle body
- hand
- big
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Abstract
The utility model relates to a rocking car for children. The rocking car for children is characterized in that a big front wheel is arranged on a front wheel frame by a big front wheel shaft, the front wheel frame is arranged on the lower side of the front part of a vehicle body by a shaft which is vertical with the vehicle body, the front wheel frame is provided with a cross beam which tilts upwards, the shaft is vertically arranged the middle of the cocked cross beam, and one end of the cocked cross beam is provided with a pair of big front wheels through the big front wheel shaft. Both sides of the front part of the vehicle body are respectively provided with a pedal trace. The rocking car for children has a cushion, and the cushion is arranged on the upper surface of the rear part of the vehicle body by screws. The top end of the shaft is provided with a steering wheel. The rocking car for children has simple structure, easy fabrication and stable running, and children can obtain physical exercise through long-term driving. The arm strength can be exercised especially. Besides, the rocking car for children has the function of entertainment.
Description
Technical field the utility model relates to a kind of athletic sports appliance, and more particularly, the utility model relates to a kind of children's sport equipment, refers in particular to a kind of children's hand-car.In International Patent Classification (IPC), should be divided into A 63 B groups.
Background technology is present, and about the equipment of motion and amusement is a lot, the equipment that relates to the children field is quite a few.For example various carriages for children can buy on market, and in city and rural family, its popularity rate is quite high.In these carriages for children, existing foot-operated carriage for children also has motor-driven carriage for children.Yet existing carriage for children also has certain shortcoming: its kind and pattern still feel not enough, show slightly dull.
The summary of the invention and specific embodiment goal of the invention of the present utility model is: at the deficiency of prior art, provide a kind of new-type only by steering wheel rotation, just children's hand-car that can advance or retreat in waving.
Goal of the invention of the present utility model is achieved through the following technical solutions: described children's hand-car has a vehicle body 1, the a pair of rear wheel 15 that is installed in vehicle body 1 rear portion is arranged, the a pair of big front vehicle wheel 12 that is installed in body forward structure is arranged, principal feature is: front vehicle wheel support 10 is by being installed in the downside of the front portion of described vehicle body 1 perpendicular to the axle 3 of vehicle body 1, described front vehicle wheel support 10 has a crossbeam that is upturned, described axle 3 be vertically mounted on described perk crossbeam in the middle of the place, by big front truck wheel shaft 11 a pair of big front vehicle wheel 12 is installed at an end of the crossbeam of described perk; A foot-operated vestige 4 is respectively established in both sides in the front portion of described vehicle body 1; Described children's hand-car has a cushion 2, and described cushion 2 is installed in by screw 17 on the upper surface at rear portion of described vehicle body 1; Top end at described axle 3 is provided with a bearing circle 5.
In specific embodiment:
A horizontal big opening 7 being arranged in the front portion of described vehicle body 1, on the vehicle body (1) on the top of described big opening 7 girder that is upturned is arranged, is crossbeams of vehicle body 1 in the bottom of described big opening 7; The top of described axle 3 is positioned the middle place of girder, and is provided with bearing on axle (3); The bottom of described axle 3 is positioned on the crossbeam by bearing.
Be provided with wheel cover 14 in the outside of described rear wheel 15, described rear wheel 15 is fixed on the wheel cover 14 by rear vehicle shaft 16, is the rear wheel legs 13 that are plugged on the vehicle body 1 on the top of wheel cover 14.
The bottom at place is provided with vehicle body reinforced rib 18 in the middle of described vehicle body 1.
Be provided with support reinforced rib 19 in the bottom of described front vehicle wheel support 10.
Be with soft cover 6 at the axle that is positioned at big opening 7 places on 3.
The other end at the crossbeam of described perk is equipped with a pair of unsettled little front vehicle wheel 8 by little front truck wheel shaft 9.
The wheel footpath of described little front vehicle wheel 8 is less than the wheel footpath of described big front vehicle wheel 12; The tyre tread of described big front vehicle wheel 12 is greater than the tyre tread of little front vehicle wheel 8.
Because the utility model adopted above-mentioned technical scheme, described children's hand-car is advanced in wigwag motion or retreat by steering wheel rotation, both need not ride, also no longer use other power, opened up a kind of new-type carriage for children.
Below in conjunction with drawings and Examples the utility model is further specified, wherein:
Accompanying drawing 1 is the block diagram of children's hand-car
Accompanying drawing 2 is upward views of children's hand-car.
Mechanical analysis scheme drawing when accompanying drawing 3 is motions of children's hand-car.
From accompanying drawing 1, can see keystone configuration features more of the present utility model.For example in accompanying drawing 1, can see: 1 vehicle body, 2 cushions, 3,4 foot-operated vestiges, 5 bearing circle, 6 soft covers, 7 big openings, 8 little front vehicle wheels, 9 little front truck wheel shafts, 10 front vehicle wheel supports, 11 big front truck wheel shafts, 12 big front vehicle wheels, 13 rear wheel legs, 14 wheel covers, 15 rear wheels, 16 rear vehicle shafts.From the block diagram of accompanying drawing 1, can see basic configuration, the architectural feature of described children's hand-car.Described big front vehicle wheel 12 is installed on the front vehicle wheel support 10 by big front truck wheel shaft 11, described front vehicle wheel support 10 is by being installed in the downside of the front portion of described vehicle body 1 perpendicular to the axle 3 of vehicle body 1, described front vehicle wheel support 10 has a crossbeam that is upturned, described axle 3 be vertically mounted on described perk crossbeam in the middle of the place, by big front truck wheel shaft 11 big front vehicle wheel 12 is installed at an end of the crossbeam of described perk.Be provided with foot-operated vestige 4 in the both sides of the front portion of described vehicle body 1.Described children's hand-car has a cushion 2, is provided with a bearing circle 5 at described 3 top end.
When children drive, be sitting on the cushion 2, two pedals are at foot-operated vestige 4 places, as long as with hand cw and steering wheel rotation widdershins, children's hand-car just can wigwag motion forward or moved backward.On the level land, have only a pair of rear wheel 15 to contact the road surface with a pair of big front vehicle wheel 12.Can see from this accompanying drawing that in the front portion of vehicle body 1 a horizontal big opening 7 is arranged, why big opening 7 is set, both can save the raw MAT'L of vehicle body 1, can guarantee the intensity of vehicle body again, can also be fixed on axle 3 on the vehicle body 1 securely.Because the bearing installation that cooperates with axle 3 is in the inside of vehicle body 1, so can't see in the drawings; But this is a prior art, repeats no more herein.
Accompanying drawing 2 is upward views of children's hand-car.From this accompanying drawing, can further understand architectural feature of the present utility model.Especially from this accompanying drawing, can further understand the architectural feature of the bottom surface of children's hand-car.In accompanying drawing 2, can see: 1 vehicle body, 3,8 little front vehicle wheels, 9 little front truck wheel shafts, 10 front vehicle wheel supports, 11 big front truck wheel shafts, 12 big front vehicle wheels, 14 wheel covers, 15 rear wheels, 16 rear vehicle shafts, 17 screws, 18 vehicle body reinforced ribs, 19 support reinforced ribs.Cushion 2 recited above is to be installed on the upper surface at rear portion of described vehicle body 1 by screw 17.Being provided with wheel cover 14 in the outside of rear wheel 15 is in order to prevent that as much as possible rear wheel from hitting children or children's clothes, with the safety that guarantees that children drive.It is in order both to guarantee the intensity of vehicle body 1, can to alleviate the weight of vehicle body 1 again that vehicle body reinforced rib 18 is set.Equally, support reinforced rib 19 being set is in order both to guarantee the intensity of front vehicle wheel support 10, can to alleviate the weight of front vehicle wheel support 10 again.
Mechanical analysis scheme drawing when accompanying drawing 3 is motions of children's hand-car.The purpose of drawing this figure is to illustrate the motion principle of children's hand-car.What this accompanying drawing was drawn only is simple and clear scheme drawing, so that express motion principle brief and concisely.In this accompanying drawing, the O point is the position at axle 3 places, and the X place is the position at big front vehicle wheel place, a left side, and the Y place is the position at right big front vehicle wheel place.Notice, the static placement as accompanying drawing 1 of children's hand-car can not moved.That is to say that steering wheel rotation children hand-car can not move.When clockwise rotating bearing circle 5, drive big front vehicle wheel motion by axle 3, because be the clws reason, children's hand-car has a centripetal force to the right, so vehicle body 1 is tilted to the right, the right big front vehicle wheel and the ground-surface contact force at Y place are strengthened, and friction force also strengthens; Big front vehicle wheel in the left side at X place and ground-surface contact force then correspondingly reduce, so clockwise rotating under the application force of bearing circle, right big front vehicle wheel with the Y place is an axle, can move to the upper right side in the left side at X place front vehicle wheel greatly, the shown situation in bottom of Here it is accompanying drawing 3.α angle in the accompanying drawing and β angle above-mentioned situation can occur under less than 90 degree, greater than the situation of 0 degree.Because the motion of above-mentioned wheel has one to point to the top-right F of the main force at the O at axle 3 places point place, therefrom also can see the component F of directed straight ahead
1The component F right-hand with sensing
2Under the effect of above-mentioned power, a pair of rear wheel 15 also and then rotates, so whole children's hand-car can move to the right front.Notice, the power of ordering about the motion of children's hand-car are to point to O to order.That is to say that for the O point, big front vehicle wheel is adjusted at the back that O is ordered, when turning left and right bearing circle, children's hand-car forwards moves on the whole.Otherwise, for the O point, big front vehicle wheel being adjusted at the front that O is ordered, when turning left and right bearing circle again, children's hand-car then rearward moves.
In like manner, when inhour is rotated bearing circle 5, drive big front vehicle wheel motion by axle 3, because be anticlockwise reason, children's hand-car has a centripetal force left, so vehicle body 1 is tilted to the left, big front vehicle wheel in the left side at X place and ground-surface contact force are strengthened, and friction force also strengthens; The big front vehicle wheel at Y place and ground-surface contact force then correspondingly reduce, so rotate in inhour under the application force of bearing circle, are axle with the big front vehicle wheel in the left side at X place, can move to the upper left side in the right side at Y place front vehicle wheel greatly, the shown situation in top of Here it is accompanying drawing 3.α ' angle in the accompanying drawing and β ' angle above-mentioned situation can occur under less than 90 degree, greater than the situation of 0 degree.Because the motion of above-mentioned wheel at the O at axle 3 places point place, has one to point to the upper left F ' of the main force, therefrom also can see the component F of directed straight ahead
1' and point to the component F of left
2'.Under the effect of above-mentioned power, a pair of rear wheel 15 also and then rotates, so whole children's hand-car can move to the left front.
Narrated cw and inhour above respectively and rotated the situation of bearing circle, when a big front vehicle wheel is adjusted at O point back, during steering wheel rotation, children's hand-car can advance in wigwag motion again and again.When a big front vehicle wheel is adjusted at O point front, during steering wheel rotation, children's hand-car can retreat in wigwag motion again and again.
Be noted that under the situation of evenness of road surface little front vehicle wheel 8 is unsettled always.In driving children hand-car is advancing, when running into uphill road, arrive under certain situation greatly in the gradient, because contacting to earth of little front vehicle wheel 8 can make children's hand-car retreat, when the gradient is big, overturn to prevent children's hand-car.The reason that retreats repeats no more as previously mentioned herein.Suitably adjust the unsettled degree of little front vehicle wheel 8,, also can avoid children's hand-car to overturn even the road surface is not too smooth.
Soft cover 6 is provided with for the ease of portable children's hand-car, like this good hand touch some.
Experiment showed, that the utility model is simple in structure, be convenient to make, operate steadily,, especially can temper arm strength by driving frequently and can taking exercises.In addition, can also reach the purpose of amusement.
Claims (8)
1. children's hand-car, described children's hand-car has a vehicle body (1), the a pair of rear wheel (15) that is installed in vehicle body (1) rear portion is arranged, the a pair of big front vehicle wheel (12) that is installed in body forward structure is arranged, it is characterized in that: front vehicle wheel support (10) is by being installed in the downside of the front portion of described vehicle body (1) perpendicular to the axle (3) of vehicle body (1), described front vehicle wheel support (10) has a crossbeam that is upturned, described axle (3) be vertically mounted on described perk crossbeam in the middle of the place, by big front truck wheel shaft (11) a pair of big front vehicle wheel (12) is installed at an end of the crossbeam of described perk; A foot-operated vestige (4) is respectively established in both sides in the front portion of described vehicle body (1); Described children's hand-car has a cushion (2), and described cushion (2) is installed on the rear upper surface of described vehicle body (1) by screw (17); Top end at described axle (3) is provided with a bearing circle (5).
2. children's hand-car according to claim 1, it is characterized in that: a horizontal big opening (7) is arranged in the front portion of described vehicle body (1), on the vehicle body (1) on the top of described big opening (7) girder that is upturned being arranged, is the crossbeam of vehicle body (1) in the bottom of described big opening (7); The top of described axle (3) is positioned the middle place of girder, and is provided with bearing on axle (3); The bottom of described axle (3) is positioned on the crossbeam by bearing.
3. children's hand-car according to claim 1, it is characterized in that: be provided with wheel cover (14) in the outside of described rear wheel (15), described rear wheel (15) is fixed on the wheel cover (14) by rear vehicle shaft (16), is the rear wheel leg (13) that is plugged on the vehicle body (1) on the top of wheel cover (14).
4. children's hand-car according to claim 1 is characterized in that: the bottom at place is provided with vehicle body reinforced rib (18) in the middle of described vehicle body (1).
5. children's hand-car according to claim 1 is characterized in that: be provided with support reinforced rib (19) in the bottom of described front vehicle wheel support (10).
6. children's hand-car according to claim 2 is characterized in that: be with soft cover (6) being positioned on the axle (3) that big opening (7) locates.
7. children's hand-car according to claim 1 is characterized in that: the other end at the crossbeam of described perk is equipped with a pair of unsettled little front vehicle wheel (8) by little front truck wheel shaft (9).
8. according to claim 1,7 described children's hand-cars, it is characterized in that: the wheel footpath of described little front vehicle wheel (8) is less than the wheel footpath of described big front vehicle wheel (12); The tyre tread of described big front vehicle wheel (12) is greater than the tyre tread of little front vehicle wheel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289832 CN2585806Y (en) | 2002-12-09 | 2002-12-09 | Rocking car for children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289832 CN2585806Y (en) | 2002-12-09 | 2002-12-09 | Rocking car for children |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2585806Y true CN2585806Y (en) | 2003-11-12 |
Family
ID=33749267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02289832 Expired - Fee Related CN2585806Y (en) | 2002-12-09 | 2002-12-09 | Rocking car for children |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2585806Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415588C (en) * | 2004-05-07 | 2008-09-03 | 株式会社孙悟空 | A children' s car driven by swiveling operations of a steering wheel |
| CN109436158A (en) * | 2018-12-26 | 2019-03-08 | 珠海三威注塑模具有限公司 | Variable carriage for children and its application method |
-
2002
- 2002-12-09 CN CN 02289832 patent/CN2585806Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415588C (en) * | 2004-05-07 | 2008-09-03 | 株式会社孙悟空 | A children' s car driven by swiveling operations of a steering wheel |
| CN109436158A (en) * | 2018-12-26 | 2019-03-08 | 珠海三威注塑模具有限公司 | Variable carriage for children and its application method |
| CN109436158B (en) * | 2018-12-26 | 2024-02-20 | 珠海三威注塑模具有限公司 | Changeable baby carriage and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |