CN102310907B - Wheel freewheel mechanism and three-wheel baby carriage adopting same - Google Patents
Wheel freewheel mechanism and three-wheel baby carriage adopting same Download PDFInfo
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- CN102310907B CN102310907B CN201110185884A CN201110185884A CN102310907B CN 102310907 B CN102310907 B CN 102310907B CN 201110185884 A CN201110185884 A CN 201110185884A CN 201110185884 A CN201110185884 A CN 201110185884A CN 102310907 B CN102310907 B CN 102310907B
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Abstract
The invention provides a wheel freewheel mechanism, which comprises a wheel core and a wheel shaft, wherein an outer fixing element, a spring, a wheel core gear sleeve, a clutch gear, a shaft gear, a knob and a positioning seat are sequentially sheathed on the wheel shaft, the shaft gear is fixedly arranged on the wheel shaft, the outer fixing element is fixedly arranged on one outer side of the wheel core, the wheel core gear is sheathed in the wheel core and is fixed with the wheel core, the knob is arranged at the other outer side of the wheel core, the positioning seat fixed with the wheel core is buckled outside the knob, shaft sleeves are respectively arranged in the axis positions of the outer fixing element and the knob and respectively extend to both sides of the shaft gear for limiting the axial movement of the shaft gear, the clutch gear is provided with outer teeth engaged with inner teeth of the wheel core gear sleeve and inner teeth engaged with the shaft gear, the clutch gear can slide in the axial direction for being separated from or being engaged with the shaft gear, and the knob and the spring are matched for realizing the axial sliding of the clutch gear. The invention also provides a three-wheel baby carriage adopting the wheel freewheel mechanism. The wheel freewheel mechanism and the three-wheel baby carriage have the advantages that two use functions of baby riding and adult pushing of a baby bicycle can be realized, and simultaneously, both the locking state and the separation state are safe and reliable.
Description
One, technical field
The present invention relates to the child's bicycle technical field, relate in particular to wheel aircraft structure alive and the toy tricycle that uses this mechanism.
Two, background technology
Child's tricycle is generally the front-wheel crank-driven.In the existing child's tricycle front component a kind of be extremely to fly structure, be exactly when the pedal wheel period of the day from 11 p.m. to 1 a.m, the pedal rod driven wheel turns, when wheel turns, wheel drives treadle and rotates.This structure, when the adult carried out, children's pin is placed on also will follow treadle to rotate on the treadle.Other has a kind of is to live in flying structure, is exactly when foot-operated, the pedal rod driven wheel turns; When pin is not stepped on, wheel turns, treadle is not moving with wheel.But this kind work flies the defective of structure to be when the adult pushes away from behind, can brake wheel turns when children step on treadle carelessly.
The use of child's tricycle generally has two kinds of situation, and a kind of is the children that can not ride to oneself, is being pushed away moving ahead from behind by the adult; Another kind is the children of meeting pedal treadle, is ridden by oneself.This comes to satisfy separately this two kinds of occupation modes with regard to requiring two independent functions.More than two kinds of structures all can not satisfy these two kinds of demands well simultaneously.
Three, summary of the invention
In order to overcome the above-mentioned defective of prior art, the present invention provide a kind of by manual convenience the wheel of the reliable adjustment clutch state aircraft structure of living.
Technical scheme of the present invention is: a kind of wheel aircraft structure alive.Comprise core wheel, wheel shaft, external fixation spare, spring, core wheel tooth cover, clutch gear, shaft gear, knob and positioning seat are socketed on the wheel shaft successively.Shaft gear is fixed on the wheel shaft, and external fixation spare is fixed on core wheel one outside, and the core wheel tooth is enclosed within the wheel in-core and fixes with core wheel.Knob fastens outside it and the fixing positioning seat of core wheel in another outside of core wheel again.External fixation spare and positioning seat define the axial location of aircraft structure alive.The middle shaft position of external fixation spare and knob has axle sleeve respectively, extends to the both sides of shaft gear respectively, the moving axially of axes gear (thereby restriction wheel shaft).Core wheel tooth cover inwall has axial internal tooth; Clutch gear have respectively with the external tooth of core wheel tooth cover internal gearing and with shaft gear ingear internal tooth.Clutch gear can endwisely slip after inserting core wheel tooth cover, breaks away to one and moves and can separate with shaft gear, slides to opposite side and then meshes with shaft gear.Both ends of the spring offsets with external fixation spare and clutch gear respectively, pushes clutch gear to shaft gear.On the nearly knob side of the clutch gear circumference small boss is arranged, the circular arc inclined-plane is arranged in the knob accordingly.Rotary knob separates with shaft gear thereby its circular arc pushed small boss promotes clutch gear.Contrarotation knob removal thrust, the spring of opposite side then promote clutch gear and shaft gear engagement.
Preferably, core wheel tooth cover is with a flange, and outer wall has raised line, and the core wheel inwall has corresponding groove.With raised line and groove alignment, core wheel tooth cover is inserted core wheel, core wheel tooth cover is fixed on the core wheel with screw through the mounting hole on the flange.
Preferably, core wheel tooth cover is made of one structure with core wheel.
Preferably, the circular arc inclined-plane in the small boss of clutch gear and the knob is symmetrical two.Can make stressed even like this, on the one hand; The knob rotation is no more than 180 degree on the other hand, can realize the conversion of aircraft structure clutch state alive, is convenient to mark and operation.
Preferably, bended in the wheel shaft both sides, do treadle simultaneously.
Preferentially, core wheel, external fixation spare, core wheel tooth cover, clutch gear, knob, positioning seat are plastic parts, and wheel shaft and shaft gear are metal piece.Like this under the prerequisite of proof strength, but expendable weight also is convenient to injection molding way machine-shaping.
Preferably, the fixed form of wheel shaft and shaft gear is one-sided or the bilateral welding.The axle sleeve of weld side enlarges near an end opening of shaft gear, to avoid crator.
The present invention also provides a kind of child's tricycle of using above-mentioned wheel mechanism alive.Front-wheel adopts aircraft structure alive of the present invention, and there is the push rod that supplies the adult to promote usefulness the back of saddle.
Use the beneficial effect of aircraft structure alive of the present invention to be: to realize that the child's bicycle children ride and are grown up and carry out two kinds of functions of use.Simultaneously, its locking state and released state are all safe and reliable.
Four, description of drawings
Fig. 1 is the sectional exploded view of the aircraft structure of living;
Fig. 2 is the block diagram of the aircraft structure main parts size of living;
Fig. 3 is the aircraft structure locking state cutaway view of living;
Fig. 4 is the aircraft structure released state cutaway view of living;
Fig. 5 is for using the child's bicycle scheme drawing of the present invention's aircraft structure alive
Among the figure: 1. external fixation spare, 11. left axle sleeves, 2. spring, 3. core wheel tooth cover, 31. core wheel teeth cover internal tooth, 32 flanges, 33. mounting holes, 34. raised lines; 4. clutch gear, 41. clutch gear external tooths, 42. clutch gear internal tooths, 43. small boss; 5. shaft gear, 6. knob, 61. right axle sleeves, 62. inclined-planes, 7. positioning seat; 8. wheel shaft, 9. core wheel, 91 grooves.
Five, the specific embodiment
As shown in Figure 1: wheel of the present invention aircraft structure alive by external fixation spare 1, spring 2, core wheel tooth cover 3, clutch gear 4, shaft gear 5, knob 6 and positioning seat 7, is socketed on the wheel shaft 8 successively.Wherein shaft gear 5 is welded on the wheel shaft 8.
In conjunction with shown in Figure 2: core wheel tooth cover 3 is the tubular part with a flange 32, and inwall has internal tooth 31, and outer wall has raised line 34, and mounting hole 33 is arranged on the flange 32.Raised line 34 matches with the groove 91 of wheel in-core, so that core wheel tooth cover 3 is inserted core wheel 9.Clutch gear 4 has and core wheel tooth cover internal tooth 31 ingear external tooths 41, with shaft gear 5 ingear internal tooths 42.Clutch gear 4 can endwisely slip after inserting core wheel tooth cover 3, slides left and can separate with shaft gear 5, slides to the right and then meshes with shaft gear 5.On the clutch gear 4 right side circumference two small boss 43 are arranged.Two circular arc inclined-planes 62 are arranged in the knob 6, corresponding with small boss 43.The middle shaft position of external fixation spare 1 has left axle sleeve 11, and the middle shaft position of knob 6 has right axle sleeve 61.
Combine Fig. 3 and each parts assembly relation of aircraft structure alive shown in Figure 4 to be again: external fixation spare 1 is fixed on the core wheel 9 from the left side with screw, and spring 2 is enclosed within outside the left axle sleeve 11.The raised line 34 of core wheel tooth cover 3, the groove 91 insertion core wheels along the wheel in-core are screwed on core wheel 9 through mounting hole 33 again.Clutch gear 4 inserts core wheel tooth cover 3.Weld the wheel shaft 8 of shaft gear 5, passed external fixation spare 1 from right to left.Knob 6 is socketed on the wheel shaft 8 through right axle sleeve 61, and its left side is fastened on the right side of core wheel tooth cover 3.Positioning seat 7 is fastened on outside the knob 6, fixes the radial and axial position of restriction knob 6 with core wheel.Be that knob 6 can only rotate in a circumferential direction and can not radial and axially move.Living flies to be bended in wheel shaft 8 both sides after parts assemble, and does treadle simultaneously.
After the assembling, left axle sleeve 11 and right axle sleeve 61, just in time in the both sides of shaft gear 5, limiting gear 5 (thereby restriction wheel shaft 8) axial location.Inclined-plane 62 is inconsistent with small boss 43.
Fig. 3 and Fig. 4 are respectively wheel shaft 8 with wheel locking with separate two states.Through rotary knob 6, scalable aircraft structure alive clutch state.In Fig. 3: small boss 43 is not on inclined-plane 62, and promptly near the right side, internal tooth 42 meshes with shaft gear 5 clutch gear 4 under the promotion of left side spring 2.8 shaft gears of rotating axle 5 drive clutch gear 4 and rotate, thereby drive wheel.In Fig. 4: when rotary knob 6 made small boss 43 move to inclined-plane 62 high-order, clutch gear 4 was pushed away left, and internal tooth 42 breaks away from shaft gears 5, and promptly clutch gear 4 separates with shaft gear 5.Treadle can be with wheel turns.
Fig. 5 is to use the scheme drawing of the child's tricycle of aircraft structure alive of the present invention.Front-wheel adopts the aircraft structure of living, and there is the push rod that supplies the adult to promote usefulness the back of saddle.When children ride through treadle oneself, work is flown to transfer to locking state through knob 6.When the adult carries out, then live and fly to transfer to released state, at this moment wheel can not drive the treadle rotation, and children's both feet can be placed on the treadle still.Two kinds of functions of use of child's tricycle have been realized.
Claims (9)
1. a wheel aircraft structure alive comprises core wheel, wheel shaft, and it is characterized in that: external fixation spare, spring, core wheel tooth cover, clutch gear, shaft gear, knob and positioning seat are socketed on the wheel shaft successively; Shaft gear is fixed on the wheel shaft, and external fixation spare is fixed on core wheel one outside, and the core wheel tooth is enclosed within the wheel in-core and fixes with core wheel; Knob is in another outside of core wheel, and knob fastens outward and the fixing positioning seat of core wheel again; External fixation spare and positioning seat define the axial location of aircraft structure alive; The middle shaft position of external fixation spare and knob has axle sleeve respectively, extends to the both sides of shaft gear respectively, the moving axially of axes gear; Core wheel tooth cover inwall has axial internal tooth; Clutch gear have with the external tooth of core wheel tooth cover internal gearing and with shaft gear ingear internal tooth; Clutch gear can endwisely slip after inserting core wheel tooth cover, breaks away to move to one and separates with shaft gear, slides and the shaft gear engagement to opposite side; Both ends of the spring offsets with external fixation spare and clutch gear respectively; On the nearly knob side of the clutch gear circumference small boss is arranged, the circular arc inclined-plane is arranged in the knob accordingly.
2. a kind of wheel as claimed in claim 1 aircraft structure alive is characterized in that: said core wheel tooth cover is structure as a whole with core wheel.
3. a kind of wheel as claimed in claim 1 aircraft structure alive, it is characterized in that: said core wheel tooth cover is with a flange, and outer wall has raised line, and the core wheel inwall has corresponding groove, core wheel tooth cover is fixed on the core wheel with screw through the mounting hole on the flange.
4. a kind of wheel as claimed in claim 1 aircraft structure alive is characterized in that: the circular arc inclined-plane in the small boss of said clutch gear and the knob is symmetrical two.
5. a kind of wheel as claimed in claim 1 aircraft structure alive, it is characterized in that: said wheel shaft both sides bend to treadle.
6. a kind of wheel as claimed in claim 1 aircraft structure alive, it is characterized in that: said core wheel, external fixation spare, core wheel tooth cover, clutch gear, knob, positioning seat are plastic parts, and wheel shaft and shaft gear are metal piece.
7. a kind of wheel as claimed in claim 1 aircraft structure alive is characterized in that said wheel shaft and shaft gear fixed form are one-sided or the bilateral welding, and the axle sleeve of weld side is avoided crator near the end opening expansion of shaft gear.
8. a child's tricycle has a front-wheel, two trailing wheels, and handlebar and saddle is characterized in that: front-wheel adopts the wheel of one of claim 1 to claim 7 aircraft structure alive.
9. a kind of child's tricycle as claimed in claim 8 is characterized in that: there is push rod at the rear portion of said saddle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110185884A CN102310907B (en) | 2011-07-03 | 2011-07-03 | Wheel freewheel mechanism and three-wheel baby carriage adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110185884A CN102310907B (en) | 2011-07-03 | 2011-07-03 | Wheel freewheel mechanism and three-wheel baby carriage adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102310907A CN102310907A (en) | 2012-01-11 |
| CN102310907B true CN102310907B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110185884A Active CN102310907B (en) | 2011-07-03 | 2011-07-03 | Wheel freewheel mechanism and three-wheel baby carriage adopting same |
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| CN (1) | CN102310907B (en) |
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| CN102910404A (en) * | 2012-10-19 | 2013-02-06 | 蚌埠市安华工贸有限公司 | Novel rapid transport device |
| CN104315016A (en) * | 2014-10-28 | 2015-01-28 | 重庆长兴工业有限公司 | Motorbike clutch center sleeve structure |
| CN106926953B (en) * | 2014-12-10 | 2019-01-04 | 永康市宝悦车业有限公司 | Wheel can clutch Portable electric bicycle working method |
| CN109018160A (en) * | 2018-06-26 | 2018-12-18 | 高亚贵 | Child's tricycle front-wheel with quick locking structure |
| CN108860435A (en) * | 2018-06-26 | 2018-11-23 | 范科晨 | Child's tricycle forerunner wheel with dualratio reduction |
| CN108820096A (en) * | 2018-06-26 | 2018-11-16 | 高亚贵 | Multifunctional tricycle for children forerunner wheel |
| CN108791671A (en) * | 2018-06-26 | 2018-11-13 | 高亚贵 | Child's tricycle forerunner wheel with easy adjustment structure |
| CN108791672A (en) * | 2018-06-26 | 2018-11-13 | 范科晨 | Child's tricycle forerunner wheel with slidable adjustment structure |
| CN108639231A (en) * | 2018-06-26 | 2018-10-12 | 高亚贵 | Child's tricycle forerunner takes turns |
| CN108860434A (en) * | 2018-06-26 | 2018-11-23 | 高亚贵 | Band stirs the child's tricycle forerunner wheel of adjustment structure |
| CN108820098A (en) * | 2018-06-26 | 2018-11-16 | 范科晨 | With the fast child's tricycle forerunner wheel for adjusting structure of sliding |
| CN108639233A (en) * | 2018-06-26 | 2018-10-12 | 高亚贵 | The fast child's tricycle forerunner wheel for adjusting structure of band |
| CN108791663A (en) * | 2018-06-26 | 2018-11-13 | 范科晨 | The double deceleration child's tricycle forerunner wheels of fast regulating |
| CN108820097A (en) * | 2018-06-26 | 2018-11-16 | 范科晨 | Child's tricycle forerunner wheel with rotary regulating structure |
| CN109018163A (en) * | 2018-06-26 | 2018-12-18 | 范科晨 | Child's tricycle forerunner wheel with separately adjustable structure |
| CN108639229A (en) * | 2018-06-26 | 2018-10-12 | 范科晨 | Child's tricycle power wheel |
| CN108791662A (en) * | 2018-06-26 | 2018-11-13 | 高亚贵 | Child's tricycle forerunner wheel with paraxonic adjustment structure |
| CN108791664A (en) * | 2018-06-26 | 2018-11-13 | 范科晨 | Double deceleration child's tricycle forerunners wheel with speed dial structure |
| CN108791673A (en) * | 2018-06-26 | 2018-11-13 | 范科晨 | Axis mode child's tricycle power wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2167945Y (en) * | 1992-12-23 | 1994-06-08 | 李垂滨 | Improved driving structure for cycle |
| CN2767291Y (en) * | 2004-12-16 | 2006-03-29 | 好孩子儿童用品有限公司 | Children' electric vehicle |
| CN201283962Y (en) * | 2008-09-09 | 2009-08-05 | 陈茂欣 | Electric vehicle for children |
| CN202147780U (en) * | 2011-07-03 | 2012-02-22 | 杭州萧山钱鸿交通器材有限公司 | Free wheel mechanism and children's tricycle using same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030040397A1 (en) * | 2001-08-24 | 2003-02-27 | Chin-Fu Wu | Bicycle front gearshift device |
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2011
- 2011-07-03 CN CN201110185884A patent/CN102310907B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2167945Y (en) * | 1992-12-23 | 1994-06-08 | 李垂滨 | Improved driving structure for cycle |
| CN2767291Y (en) * | 2004-12-16 | 2006-03-29 | 好孩子儿童用品有限公司 | Children' electric vehicle |
| CN201283962Y (en) * | 2008-09-09 | 2009-08-05 | 陈茂欣 | Electric vehicle for children |
| CN202147780U (en) * | 2011-07-03 | 2012-02-22 | 杭州萧山钱鸿交通器材有限公司 | Free wheel mechanism and children's tricycle using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102310907A (en) | 2012-01-11 |
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