CN105129003A - Chain-free bicycle for children - Google Patents
Chain-free bicycle for children Download PDFInfo
- Publication number
- CN105129003A CN105129003A CN201510522895.XA CN201510522895A CN105129003A CN 105129003 A CN105129003 A CN 105129003A CN 201510522895 A CN201510522895 A CN 201510522895A CN 105129003 A CN105129003 A CN 105129003A
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- pedestal
- front fork
- wheel
- slide block
- plate body
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Abstract
The invention belongs to the technical field of bicycles, and particularly relates to a chain-free bicycle for children. The chain-free bicycle comprises a frame formed by a front fork pipe, a cross beam and a saddle pipe, a front fork is mounted on the front fork pipe, a handlebar is mounted at the upper end of the front fork, a saddle is mounted at the upper end of the saddle pipe, a middle shaft sleeve is fixedly mounted at the lower end of the saddle pipe, a middle shaft is arranged in the middle shaft sleeve, and pedals are mounted at the two ends of the middle shaft. A sliding centralizer and a front wheel mounted on the sliding centralizer are mounted at the lower end of the front fork. A sliding centralizing driver is mounted behind the lower portion of the saddle pipe, a rear wheel is mounted on the sliding centralizing driver, an annular gear rack is fixedly mounted on the inner ring of a hub of the rear wheel, a gear engaged with the gear rack is mounted between plates on the two sides of a base in an erected mode, a driven belt wheel is mounted at one end of a gear shaft, and a driving belt wheel and the driven belt wheel are in connection transmission through a belt.
Description
Technical field
The invention belongs to technical field of bicycles, particularly relate to a kind of chain-free children bicycle.
Background technology
Child's bicycle as a kind ofly can providing for children enjoyment of riding, temper the apparatus of children body and mind and receive the favor day by day of Modern Family.Existing child's bicycle generally comprises vehicle frame, wheel and auxiliary wheel, driving system and steering swivel system, car body is set up some protecting components to promote safety when children ride and traveling comfort.Existing child's bicycle generally adopts chain as the Transfer Medium of propulsive effort, there is following defect in this kind of driving system: along with the wearing and tearing of chain, noise when riding also can increase thereupon, chain produces excessive abrasion to chain wheel and flywheel conversely, finally cause driving efficiency step-down, et out of order even produces personal injury accident at any time when riding, chain itself also easily kinks the clothes of children and injures.
Summary of the invention
The present invention for solve in known technology the technical matters that exists and provide a kind of simple and compact for structure, dismounting is convenient, operate steadily, the chain-free children bicycle of riding safety.
The technical scheme that the present invention takes for the technical matters existed in solution known technology is: a kind of chain-free children bicycle comprises the vehicle frame be made up of front fork tube, crossbeam and seat pipe, front fork tube is provided with front fork, in the upper end of front fork, handlebar is installed, present pipe upper end is provided with vehicle seat, lower end is installed with bottom bracket axle, in bottom bracket axle, be provided with axis, at the two ends of axis, stretcher be installed; Be provided with in front fork lower end and slide centering device and be arranged on the front vehicle wheel slided on centering device; Slide that centering device comprises metal sheet material, inverted U-shaped pedestal, the affixed central authorities being connected to pedestal top in the lower end of front fork, the plate body being positioned at both sides at pedestal offers multiple mounting hole respectively, in the position of the outside face of two plate bodys, each mounting hole, affixed being provided with is with female sleeve, the line of centers of each sleeve is all with the centerline parallel of front vehicle wheel and the line of centers of each sleeve is equal with the distance of front vehicle wheel line of centers, in each sleeve, be equipped with thread rod, be provided with nut in the outer end of thread rod, the inner is provided with slide block; Front vehicle wheel comprises the wheel hub of the annular being positioned at inner side and is arranged on the tire in outside, and the two side of wheel hub all offers the chute of annular, and each slide block divides and is positioned at two chutes; The rear of present pipe bottom is provided with slides righting actuator, is provided with rear wheel sliding on righting actuator, the axis of bicycle is provided with driving pulley; Slide righting actuator comprise metal sheet material, the pedestal of U-shape, the middle part of pedestal is fixedly connected with seat pipe, the plate body being positioned at both sides at pedestal offers multiple mounting hole respectively, in the position of the outside face of two plate bodys, each mounting hole, affixed being provided with is with female sleeve, the line of centers of each sleeve is all with the centerline parallel of rear wheel and the line of centers of each sleeve is equal with the distance of rear wheel line of centers, in each sleeve, be equipped with thread rod, be provided with nut in the outer end of thread rod, the inner is provided with slide block; Rear wheel comprises the wheel hub of the annular being positioned at inner side and is arranged on the tire in outside, and the two side of wheel hub all offers the chute of annular, and each slide block divides and is positioned at two chutes; The tooth bar of annular is installed with at the inner ring of wheel hub, between the plate body of pedestal both sides, erection is provided with the gear be connected with a joggle with tooth bar, in one end of gear hub, driven pulley is installed, between driving pulley and driven pulley, adopts belt connection for transmission.
Advantage of the present invention and good effect are: the chain-free children bicycle that the invention provides a kind of structure design advantages of simple, compared with existing bicycle, the technical program arranges to slide centering device and be installed to by front vehicle wheel to slide to arrange on centering device, at the rear portion of vehicle frame by the front portion of cycle frame and slides righting actuator and be installed to by rear wheel on arc righting actuator, provide a kind of completely newly without chain design.Slide centering device and slide righting actuator and respectively become unit, compact conformation, be convenient to dismounting.By unclamping, screwing each nut and the thread rod sleeve transverse shifting along respective place, realize each slide block be embedded in the chute of side, place or depart from, multiple slide block completes the restriction to front vehicle wheel wheel hub and rear wheel wheel hub jointly, total dismounting is convenient, not only be convenient to maintenance maintenance, and be convenient to carry out partition storage to bicycle.When riding, lubricate good slide block and slide mobile in respective chute, the matching relationship between slide block and chute makes front vehicle wheel and rear wheel only have rocking of trace, runs relatively steady.The driving system structure be made up of stretcher, belt, gear and annular rack is compact, comfortable labor-saving of riding.
Preferably: pedestal and each free same metallic plate punching of pedestal is shaping obtains.
Preferably: be with female sleeve affixed being provided with of the center of top of pedestal, be provided with outside thread in the bottom of front fork, the bottom of front fork is connected with this bush whorl and adopts fastener to lock; The middle part of pedestal is welded affixed with seat pipe.
Preferably: slide block is truncated cone shape, the cross section of chute is isosceles-trapezium-shaped, and slide block leaves allowance between the two after embedding chute; Slide block is truncated cone shape, and the cross section of chute is isosceles-trapezium-shaped, and slide block leaves allowance between the two after embedding chute.
Preferably: the quantity of point mounting hole be positioned on the plate body of pedestal both sides is two, and two mounting holes on each plate body lay respectively at front side bottom margin and the bottom rear edge of this plate body; Divide the quantity of the mounting hole be positioned on the plate body of pedestal both sides to be two, two mounting holes on each plate body lay respectively at front side bottom margin and the backside top edge of this plate body.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is A-A cross section structure schematic diagram in Fig. 1;
Fig. 3 is B-B cross section structure schematic diagram in Fig. 1.
In figure: 1, front vehicle wheel; 1-1, tire; 1-2, chute; 1-3, wheel hub; 2, centering device is slided; 2-1, pedestal; 2-2, nut; 2-3, thread rod; 2-4, slide block; 3, front fork tube; 4, head lamp; 5, handlebar; 6, crossbeam; 7, cant beam; 8, driving pulley; 9, stretcher; 10, vehicle seat; 11, seat pipe; 12, belt; 13, gear; 14, righting actuator is slided; 14-1, pedestal; 14-2, nut; 14-3, thread rod; 14-4, slide block; 15, tooth bar; 16, rear wheel; 16-1, tire; 16-2, chute; 16-3, wheel hub.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples and be described in detail as follows:
Refer to Fig. 1 to Fig. 3, the present invention includes the vehicle frame be made up of front fork tube 3, crossbeam 6 and seat pipe 11, front fork tube 3 is provided with front fork, in the upper end of front fork, handlebar 5 is installed, the upper end of present pipe 11 is provided with vehicle seat 10, lower end is installed with bottom bracket axle, in bottom bracket axle, be provided with axis, at the two ends of axis, stretcher 9 be installed.
As shown in FIG., for the ease of riding at night, head lamp 4 can be set on handlebar 5 to provide illumination.
In order to promote the structural strength of vehicle frame itself, between the lower end of present pipe 11 and the middle part of crossbeam 6, be also connected with cant beam 7.
Be provided with in the lower end of front fork and slide centering device 2, front vehicle wheel 1 is installed sliding on centering device 2.
Slide that centering device 2 comprises metal sheet material, inverted U-shaped pedestal 2-1, the affixed central authorities being connected to pedestal 2-1 top in the lower end of front fork, in the present embodiment, pedestal 2-1 obtains by same metallic plate punching is shaping.The plate body being positioned at both sides at pedestal 2-1 offers multiple mounting hole respectively, affixedly in the position of the outside face of two plate bodys, each mounting hole be provided with the female sleeve of band, the line of centers of each sleeve is all with the centerline parallel of front vehicle wheel 1 and the line of centers of each sleeve is equal with the distance of front vehicle wheel 1 line of centers.In each sleeve, be equipped with thread rod 2-3, be provided with nut 2-2 in the outer end of thread rod 2-3, the inner is provided with slide block 2-4.
Front vehicle wheel 1 comprises the wheel hub 1-3 of the annular being positioned at inner side and is arranged on the tire 1-1 in outside, the two side of wheel hub 1-3 all offers the chute 1-2 of annular, each slide block 2-4 divides and is positioned at two chute 1-2, should carry out enough lubrications between slide block 2-4 and chute 1-2.In the present embodiment, slide block 2-4 is truncated cone shape, and the cross section of chute 1-2 is isosceles-trapezium-shaped, and slide block 2-4 leaves allowance between the two after embedding chute 1-2.In ride, front vehicle wheel 1 rotates, and slide block 2-4 slides mobile in chute 1-2.
In the present embodiment, the quantity of point mounting hole be positioned on the plate body of pedestal 2-1 both sides is two, and two mounting holes on each plate body lay respectively at front side bottom margin and the bottom rear edge of this plate body.Four, above-mentioned both sides slide block 2-4 realizes the restriction of the wheel hub 1-3 to front vehicle wheel 1 jointly.
Bicycle is when needs are received, and front vehicle wheel 1 can unload from sliding centering device 2.In the present embodiment, in order to carry out the partition of the degree of depth to bicycle better to receive, front fork is set and slides the version for removably connecting between centering device 2, particularly: be with female sleeve affixed being provided with of the center of top of pedestal 2-1, in the bottom of the body of rod of front fork, outside thread is set, the bottom of the front fork body of rod is connected with this bush whorl and adopts fastener to lock, and fastener can be chosen for locknut etc.
The rear of present pipe 11 bottom is installed with slides righting actuator 14, is provided with rear wheel 16 sliding on righting actuator 14.
The axis of bicycle is provided with driving pulley 8, and when bicyclist scrunches stretcher 9, axis drives driving pulley 8 synchronous axial system.
Slide righting actuator 14 comprise metal sheet material, the pedestal 14-1 of U-shape, the middle part of pedestal 14-1 is fixedly connected with seat pipe 11, in the present embodiment, pedestal 14-1 obtains by same metallic plate punching is shaping, and the middle part arranging pedestal 14-1 is welded affixed with seat pipe 11.
The plate body being positioned at both sides at pedestal 14-1 offers multiple mounting hole respectively, affixedly in the position of the outside face of two plate bodys, each mounting hole be provided with the female sleeve of band, the line of centers of each sleeve is all with the centerline parallel of rear wheel 16 and the line of centers of each sleeve is equal with the distance of rear wheel 16 line of centers.In each sleeve, be equipped with thread rod 14-3, be provided with nut 14-2 in the outer end of thread rod 14-3, the inner is provided with slide block 14-4.
Rear wheel 16 comprises the wheel hub 16-3 of the annular being positioned at inner side and is arranged on the tire 16-1 in outside, the two side of wheel hub 16-3 all offers the chute 16-2 of annular, each slide block 14-4 divides and is positioned at two chute 16-2, should carry out enough lubrications between slide block 14-4 and chute 16-2.In the present embodiment, slide block 14-4 is truncated cone shape, and the cross section of chute 16-2 is isosceles-trapezium-shaped, and slide block 14-4 leaves allowance between the two after embedding chute 16-2.In ride, rear wheel 16 rotates, and slide block 14-4 slides mobile in chute 16-2.
In the present embodiment, the quantity of point mounting hole be positioned on the plate body of pedestal 14-1 both sides is two, and two mounting holes on each plate body lay respectively at front side bottom margin and the bottom rear edge of this plate body.Four, above-mentioned both sides slide block 14-4 realizes the restriction of the wheel hub 16-3 to rear wheel 16 jointly.
The tooth bar 15 of annular is installed with at the inner ring of wheel hub 16-3, between the plate body of pedestal 14-1 both sides, erection is provided with the gear 13 be connected with a joggle with tooth bar 15, in one end of gear 13 wheel shaft, driven pulley is installed, between driving pulley 8 and driven pulley, adopts belt 12 connection for transmission.
Claims (5)
1. a chain-free children bicycle, comprise the vehicle frame be made up of front fork tube (3), crossbeam (6) and seat pipe (11), front fork tube (3) is provided with front fork, handlebar (5) is installed in the upper end of front fork, the upper end of present pipe (11) is provided with vehicle seat (10), lower end is installed with bottom bracket axle, in bottom bracket axle, be provided with axis, stretcher (9) is installed at the two ends of axis; It is characterized in that:
Be provided with in front fork lower end and slide centering device (2) and be arranged on the front vehicle wheel (1) slided on centering device (2), slide centering device (2) and comprise metal sheet material, inverted U-shaped pedestal (2-1), the affixed central authorities being connected to pedestal (2-1) top in the lower end of front fork, the plate body being positioned at both sides at pedestal (2-1) offers multiple mounting hole respectively, at the outside face of two plate bodys, the position of each mounting hole is affixed is provided with the female sleeve of band, the line of centers of each sleeve is all with the centerline parallel of front vehicle wheel (1) and the line of centers of each sleeve is equal with the distance of front vehicle wheel (1) line of centers, thread rod (2-3) is equipped with in each sleeve, nut (2-2) is provided with in the outer end of thread rod (2-3), the inner is provided with slide block (2-4), front vehicle wheel (1) comprises the wheel hub (1-3) of the annular being positioned at inner side and is arranged on the tire (1-1) in outside, the two side of wheel hub (1-3) all offers the chute (1-2) of annular, and each slide block (2-4) point is positioned at two chutes (1-2),
The rear of present pipe (11) bottom is provided with slides righting actuator (14), rear wheel (16) is installed sliding on righting actuator (14), the axis of bicycle is provided with driving pulley (8), slide righting actuator (14) and comprise metal sheet material, the pedestal (14-1) of U-shape, the middle part of pedestal (14-1) is fixedly connected with seat pipe (11), the plate body being positioned at both sides at pedestal (14-1) offers multiple mounting hole respectively, at the outside face of two plate bodys, the position of each mounting hole is affixed is provided with the female sleeve of band, the line of centers of each sleeve is all with the centerline parallel of rear wheel (16) and the line of centers of each sleeve is equal with the distance of rear wheel (16) line of centers, thread rod (14-3) is equipped with in each sleeve, nut (14-2) is provided with in the outer end of thread rod (14-3), the inner is provided with slide block (14-4), rear wheel (16) comprises the wheel hub (16-3) of the annular being positioned at inner side and is arranged on the tire (16-1) in outside, the two side of wheel hub (16-3) all offers the chute (16-2) of annular, and each slide block (14-4) point is positioned at two chutes (16-2), the tooth bar (15) of annular is installed with at the inner ring of wheel hub (16-3), between the plate body of pedestal (14-1) both sides, erection is provided with the gear (13) be connected with a joggle with tooth bar (15), in one end of gear (13) wheel shaft, driven pulley is installed, between driving pulley (8) and driven pulley, adopts belt (12) connection for transmission.
2. chain-free children bicycle as claimed in claim 1, is characterized in that: pedestal (2-1) and each free same metallic plate punching of pedestal (14-1) is shaping obtains.
3. chain-free children bicycle as claimed in claim 1, it is characterized in that: be with female sleeve affixed being provided with of the center of top of pedestal (2-1), be provided with outside thread in the bottom of front fork, the bottom of front fork is connected with this bush whorl and adopts fastener to lock; The middle part of pedestal (14-1) is welded affixed with seat pipe (11).
4. chain-free children bicycle as claimed in claim 1, it is characterized in that: slide block (2-4) is truncated cone shape, the cross section of chute (1-2) is isosceles-trapezium-shaped, and slide block (2-4) leaves allowance between the two after embedding chute (1-2); Slide block (14-4) is truncated cone shape, and the cross section of chute (16-2) is isosceles-trapezium-shaped, and slide block (14-4) leaves allowance between the two after embedding chute (16-2).
5. the chain-free children bicycle as described in any one of Claims 1-4, it is characterized in that: the quantity of point mounting hole be positioned on the plate body of pedestal (2-1) both sides is two, and two mounting holes on each plate body lay respectively at front side bottom margin and the bottom rear edge of this plate body; Divide the quantity of the mounting hole be positioned on the plate body of pedestal (14-1) both sides to be two, two mounting holes on each plate body lay respectively at front side bottom margin and the backside top edge of this plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522895.XA CN105129003A (en) | 2015-08-24 | 2015-08-24 | Chain-free bicycle for children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522895.XA CN105129003A (en) | 2015-08-24 | 2015-08-24 | Chain-free bicycle for children |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105129003A true CN105129003A (en) | 2015-12-09 |
Family
ID=54714696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510522895.XA Pending CN105129003A (en) | 2015-08-24 | 2015-08-24 | Chain-free bicycle for children |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105129003A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224080B1 (en) * | 1999-10-22 | 2001-05-01 | Bennett Ross | Spokeless bicycle system |
| GB2426962A (en) * | 2005-06-06 | 2006-12-13 | Mark Sinclair | Foldable cycle |
| CN103192939A (en) * | 2013-04-26 | 2013-07-10 | 上海电机学院 | Hubless bike |
| CN103287203A (en) * | 2012-03-02 | 2013-09-11 | 明门香港股份有限公司 | Hubless wheel and related stroller |
| CN204895698U (en) * | 2015-08-24 | 2015-12-23 | 天津贝嘉琦科技发展有限公司 | No chain children bike |
-
2015
- 2015-08-24 CN CN201510522895.XA patent/CN105129003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224080B1 (en) * | 1999-10-22 | 2001-05-01 | Bennett Ross | Spokeless bicycle system |
| GB2426962A (en) * | 2005-06-06 | 2006-12-13 | Mark Sinclair | Foldable cycle |
| CN103287203A (en) * | 2012-03-02 | 2013-09-11 | 明门香港股份有限公司 | Hubless wheel and related stroller |
| CN103192939A (en) * | 2013-04-26 | 2013-07-10 | 上海电机学院 | Hubless bike |
| CN204895698U (en) * | 2015-08-24 | 2015-12-23 | 天津贝嘉琦科技发展有限公司 | No chain children bike |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |