CN204775402U - Planker of children's shallow - Google Patents
Planker of children's shallow Download PDFInfo
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- CN204775402U CN204775402U CN201520407919.2U CN201520407919U CN204775402U CN 204775402 U CN204775402 U CN 204775402U CN 201520407919 U CN201520407919 U CN 201520407919U CN 204775402 U CN204775402 U CN 204775402U
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- Prior art keywords
- planker
- pedal
- children trolley
- flywheel
- drive shaft
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- 238000005452 bending Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 210000002683 foot Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010024453 Ligament sprain Diseases 0.000 description 1
- 206010050031 Muscle strain Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The utility model discloses a planker of children's shallow for being connected with children's shallow and moving ahead with drive children shallow, it includes support, shallow connecting piece, rotates to connect and is in rear wheel pivot on the support, fix rear wheel, the cover at rear wheel pivot both ends establish in the rear wheel pivot with drive rear wheel pivot pivoted flywheel, with the coaxial setting of flywheel with driven flywheel pivoted driven gear, be connected drive pivot on the support, rotate the footboard that sets up, follow footboard synchronization pivoted driving gear with the coaxial setting of footboard along the axial lead of drive pivot, the driving gear with driven gear meshes mutually. The utility model discloses a planker adopts the footboard directly to drive pitch wheel group and the flywheel rotates to the drive rear wheel is realized promoting the purpose that children's shallow moved ahead, compares in prior art, the utility model discloses the structure is simpler, and manufacturing cost is lower, and it is more reliable to work.
Description
Technical field
The utility model relates to a kind of planker for being connected with children trolley, especially has mechanical driving mechanism and can promote the planker that children trolley moves ahead.
Background technology
In prior art, the planker mainly unpowered structure of children trolley, structure is very simple, generally comprises the parts such as support, go-cart attaching parts and trailing wheel.Because planker does not have actuating device, so above unpowered planker only can stand on for children or go-cart person, walked in tow by children trolley; Or by when a feet station is on planker, utilize another pin to trample ground backward rapidly, rely on friction force promotion planker and go-cart to move ahead.This dependence human body is the mode that moves ahead as powered planker and children trolley of limb motion significantly, not only require higher to the skilled operation degree of operator, and it is also higher to the physical fitness requirement of operator, easily make operator produce fatigue, even can cause the personal injury such as ankle sprain, pulled muscle.
US Patent No. 8973934B1 discloses a kind of trailer configuration with Power Drive Unit, it adopts the chain pitch wheel actuating device of similar bicycle, the operator stood on the pedal of both sides alternately tramples the pedal of left and right by self gravitation, drive crank shaft and front gear group, then front gear group is by the flywheel turns on chain-driving hind axle, flywheel drives hind axle and rear wheel movement, thus realize back-wheel drive, promotion children trolley moves ahead, the greatly less physical demands of operator.But the chain drive not only complex structure that this trailer configuration lock adopts, manufacturing cost is higher, and chain easily falls chain, and also easily stuck phenomenon occurs between both sides pedal and crank shaft, functional reliability is poor.
Summary of the invention
In view of this, in order to overcome the defect of prior art, the purpose of this utility model is to provide the planker of the children trolley that a kind of drive configuration is simple, manufacturing cost is lower, work is more safe and reliable, to be user-friendly to, alleviates the exercise intensity of operator.
In order to achieve the above object, the utility model is by the following technical solutions:
A kind of planker of children trolley, children trolley is driven to move ahead for being connected with children trolley, it comprises support, go-cart attaching parts, be rotationally connected trailing wheel rotating shaft on the bracket, be fixed on the trailing wheel at described trailing wheel rotating shaft two ends, it is characterized in that: also comprise and being set in described trailing wheel rotating shaft to drive the flywheel of described trailing wheel axis of rotation, the driven gear driving described flywheel turns is coaxially set with described flywheel, connect drive shaft on the bracket, axial line along described drive shaft rotates the pedal arranged, coaxially to arrange with described pedal and with the driving gear of described pedal synchronous axial system, described driving gear is meshed with described driven gear.
Preferably, described drive shaft and described trailing wheel shaft parallel are arranged, and the two ends of described drive shaft are respectively equipped with the rotating stand be fixedly connected with described support, and described drive shaft is rotatably connected on described rotating stand.
More preferably, described pedal has fixed end and free end, and described fixed end is fixedly connected in described drive shaft, and described free end can spin upside down along the axial line of described drive shaft.
Further preferably, the end of described free end also has the pedal position of one bending.
Preferably, described driving gear is sector, and its upper end along the arc direction of self is fixedly connected on described pedal.Sector can adopt the mode of welding to be connected with the bottom surface of pedal.
In a particular embodiment, described support is also provided with the limiting component of the rotational angle limiting described pedal.
Preferably, described limiting component is the pin be laterally fixed on below described driving gear.
In a particular embodiment, the front portion of described support is also provided with cardan wheel.Cardan wheel be provided with the course changing control be beneficial to when back-wheel drive go-cart moves ahead.
Wherein, described planker also comprises the reset attachment making described pedal reset.After operator's push down on the pedal, by driving gear, driven gear and flywheel, the power of trampling is converted to the moment of torsion driving rear wheel, then pedal and driving gear automatically upwards overturn reset under the effect of reset attachment, wait for operator's trampling next time, very convenient.
In a particular embodiment, described reset attachment is make described pedal have the spring upwards overturning trend.Spring can be preferably torsion spring.
Owing to adopting technique scheme, the planker of the utility model children trolley directly drives driven gear to rotate by the driving gear with pedal coaxial rotation, thus driving flywheel turns, drive rear wheel and rear wheel, make planker promote children trolley to move ahead, not only structure is simple, and manufacturing cost is lower, and the mode that direct geared engagement drives is also more safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the planker of the present embodiment children trolley.
Fig. 2 is the exploded perspective view of the planker of children trolley in the present embodiment.
Fig. 3 is the structural representation after the planker of the present embodiment is connected with children trolley.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model preferred embodiment is described in detail.
Refer to Fig. 1 and Fig. 2, a kind of planker of children trolley, children trolley is driven to move ahead for being connected with children trolley, it comprises support 1, go-cart attaching parts 2, be rotatably connected on the trailing wheel rotating shaft 3 on support 1, be fixed on the trailing wheel 4 at trailing wheel rotating shaft 3 two ends, also comprise and being set in trailing wheel rotating shaft 3 with the flywheel 5 driving trailing wheel rotating shaft 3 to rotate, arrange with the driven gear 6 driving flywheel 5 to rotate with flywheel 5 is coaxial, be connected to the drive shaft 7 on support 1, axial line along drive shaft 7 rotates the pedal 8 arranged, to arrange and with the driving gear 9 of pedal 8 synchronous axial system with pedal 8 is coaxial, driving gear 9 is meshed with driven gear 6.
Drive shaft 7 and trailing wheel rotating shaft 3 be arranged in parallel, and the two ends of drive shaft 7 are respectively equipped with the rotating stand 10 be fixedly connected with support 1, and drive shaft 7 is rotatably connected on rotating stand 10.
Wherein, pedal 8 has fixed end and free end, described fixed end is fixedly connected in drive shaft 7 by sleeve pipe 11, and sleeve pipe 11 to be socketed in drive shaft 7 and to be fixed together by screw and drive shaft 7, and described free end can spin upside down along the axial line of described drive shaft 7.When pedal 8 rotates, drive shaft 7 is also rotated thereupon.Pedal 8 also has the pedal position 81 of one bending in the end of its free end, pedal 8 himself length direction when initial position diagonally extends back upper place, and pedal position 81 bends certain angle to the back lower place, and the pin of convenient operation person is trampled on pedal 8.
In the present embodiment, driving gear 9 is sector, and its upper end along the arc direction of self is fixedly connected on pedal 8.Sector as driving gear 9 adopts the mode of welding and the bottom surface of pedal 8 to link together.After push down on the pedal 8, the cingulum on driving gear 9 edge moves driven gear 6 and rotates, and driven gear 6 again flywheel driven 5 rotates, thus drives trailing wheel rotating shaft 3 and trailing wheel 4 to rotate, and drives planker to move ahead.
In order to avoid pedal 8 and driving gear 9 rotational angle when trampling excessive, support 1 is also provided with the limiting component of rotational angle of restriction pedal 8.In the present embodiment, described limiting component is the pin 12 be laterally fixed on below driving gear 9.
The front portion of support 1 is also provided with cardan wheel 13.Cardan wheel 13 be provided with the course changing control be beneficial to when trailing wheel 4 drives go-cart to move ahead.
Wherein, described planker also comprises the reset attachment making pedal 8 upwards overturn reset.After operator's push down on the pedal 8, by driving gear 9, driven gear 6 and flywheel 5, the power of trampling is converted to the moment of torsion driving trailing wheel 4 to rotate, then pedal 8 and driving gear 9 automatically upwards overturn reset under the effect of reset attachment, wait for operator's trampling next time, very laborsaving and convenient.In the present embodiment, described reset attachment adopts and makes pedal 8 have the spring upwards overturning trend.Spring can be arranged on the inside of rotating stand 10 and be connected with drive shaft 7, when operator does downward pushes pedals 8, spring savings elastic potential energy, after operator unclamps pedal 8, spring release elastic potential energy makes pedal 8, driving gear 9 and drive shaft 7 reset, until pedal 8 upwards turn to initial position.In the present embodiment, spring can be preferably torsion spring.
When driving children trolley to move ahead by the planker of the present embodiment, operator's both feet stand on planker, for the ease of standing, the support 1 of planker can cover one piece of cover plate of confession standing.Operator's pin pushes pedals 8, pedal 8 is rotated, driving gear 9 is driven to rotate, the rotation of driving gear 9 drives again driven gear 6 to rotate, driven gear 6 drives flywheel 5 and trailing wheel rotating shaft 3 to rotate, thus trailing wheel 4 follows trailing wheel rotating shaft 3 to rotate, under the driving of trailing wheel 4, planker travels forward, and the children trolley promoting front moves ahead.When operator unclamps the pedal force be applied on pedal 8, pedal 8 upwards overturns reset under the action of the spring, driving gear 9 drives driven gear 6 to rotate backward, and due to the unidirectional drive effect of flywheel 5, flywheel 5 and trailing wheel rotating shaft 3 do not produce with driven gear 6 and reverse.
When planker retreats, trailing wheel 4 with trailing wheel rotating shaft 3 backwards rotation, due to pedal 8 upwards turn to initial position after cannot be rotated further.So when trailer retreats, flywheel 5, driven gear 6 and driving gear 9 are all automatically locked cannot action, can prevent planker from falling back when unattended and producing danger.
Refer to Fig. 3, it depicts the structural representation be connected with children trolley by the planker of the present embodiment.This children trolley comprises collapsible or not folding vehicle frame 100, be arranged on pushchair 200 bottom vehicle frame 100, and the lower rear of vehicle frame 100 is provided with cross bar 110.When the planker of the present embodiment is connected with this children trolley, as long as go-cart attaching parts 2 is connected with the cross bar 110 on vehicle frame 100.When planker does not provide power, planker hangs over after children trolley, pushes children trolley and planker just can be driven to move ahead.When needs provide powered children trolley to move ahead by planker, operating personal can stand on planker by both feet, is trampled the pedal 8 on planker by a pin, thus drives planker to move ahead by the trailing wheel 4 of planker, and makes planker push children trolley to move forward.Certainly, operating personal also can a feet station on planker, another pedal earthward, rely on ground antagonistic force promote planker move ahead together with children trolley.
Compared to prior art, the planker of the present embodiment easily and effortlessly can promote children trolley and move ahead, and the planker of the present embodiment adopts single pedal directly to drive pitch wheel group and flywheel turns, thus driving trailing wheel, structure is simple, and manufacturing cost is lower, works more reliable.
Above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and implement according to this; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (10)
1. the planker of a children trolley, children trolley is driven to move ahead for being connected with children trolley, it comprises support, go-cart attaching parts, be rotationally connected trailing wheel rotating shaft on the bracket, be fixed on the trailing wheel at described trailing wheel rotating shaft two ends, it is characterized in that: also comprise and being set in described trailing wheel rotating shaft to drive the flywheel of described trailing wheel axis of rotation, the driven gear driving described flywheel turns is coaxially set with described flywheel, connect drive shaft on the bracket, axial line along described drive shaft rotates the pedal arranged, coaxially to arrange with described pedal and with the driving gear of described pedal synchronous axial system, described driving gear is meshed with described driven gear.
2. the planker of a kind of children trolley according to claim 1, it is characterized in that: described drive shaft and described trailing wheel shaft parallel are arranged, the two ends of described drive shaft are respectively equipped with the rotating stand be fixedly connected with described support, and described drive shaft is rotatably connected on described rotating stand.
3. the planker of a kind of children trolley according to claim 2, it is characterized in that: described pedal has fixed end and free end, described fixed end is fixedly connected in described drive shaft, described free end can spin upside down along the axial line of described drive shaft.
4. the planker of a kind of children trolley according to claim 3, is characterized in that: the end of described free end also has the pedal position of one bending.
5. the planker of a kind of children trolley according to claim 1, is characterized in that: described driving gear is sector, and its upper end along the arc direction of self is fixedly connected on described pedal.
6. the planker of a kind of children trolley according to claim 1, is characterized in that: the limiting component described support being also provided with the rotational angle limiting described pedal.
7. the planker of a kind of children trolley according to claim 6, is characterized in that: described limiting component is the pin be laterally fixed on below described driving gear.
8. the planker of a kind of children trolley according to claim 1, is characterized in that: the front portion of described support is also provided with cardan wheel.
9. the planker of a kind of children trolley according to claim 1 to 8 any one, is characterized in that: described planker also comprises the reset attachment making described pedal reset.
10. the planker of a kind of children trolley according to claim 9, is characterized in that: described reset attachment is make described pedal have the spring upwards overturning trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407919.2U CN204775402U (en) | 2015-06-15 | 2015-06-15 | Planker of children's shallow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407919.2U CN204775402U (en) | 2015-06-15 | 2015-06-15 | Planker of children's shallow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204775402U true CN204775402U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520407919.2U Active CN204775402U (en) | 2015-06-15 | 2015-06-15 | Planker of children's shallow |
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| CN (1) | CN204775402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176198A (en) * | 2017-07-06 | 2017-09-19 | 浙江圆锥科技有限公司 | Stroller and children trolley |
-
2015
- 2015-06-15 CN CN201520407919.2U patent/CN204775402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176198A (en) * | 2017-07-06 | 2017-09-19 | 浙江圆锥科技有限公司 | Stroller and children trolley |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |