CN201085919Y - Bicycle with eccentric shaft - Google Patents
Bicycle with eccentric shaft Download PDFInfo
- Publication number
- CN201085919Y CN201085919Y CNU2008200919815U CN200820091981U CN201085919Y CN 201085919 Y CN201085919 Y CN 201085919Y CN U2008200919815 U CNU2008200919815 U CN U2008200919815U CN 200820091981 U CN200820091981 U CN 200820091981U CN 201085919 Y CN201085919 Y CN 201085919Y
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- China
- Prior art keywords
- eccentric shaft
- transition components
- piece
- bicycle
- wheel hub
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a bicycle with an eccentric shaft. The hub assembly of the bicycle comprises an outer wheel hub, a switching component, an eccentric shaft component, a switching bearing and an eccentric bearing. The eccentric shaft component comprises an eccentric shaft with one hollow end, a fixing sheath and a drawbar component, wherein the eccentric shaft is passed and fixed into the fixing sheath, and a frame is connected with the fixing sheath. The hollow part of the eccentric shaft is provided with a sliding chute along radial direction, the drawbar component is positioned inside the hollow shaft, and the end thereof is passed through the sliding chute and connected with the switching component. The fixing sheath is provided with a fixed positioning block, the switching component is provided with a positioning groove corresponding to the fixed positioning block, and the fixed positioning block is positioned inside the positioning groove and slidingly connected with the switching component along the axial direction of the eccentric shaft. When the drawbar component is positioned at a first position, the fixed positioning block is abut against and connected with the switching component, and the switching component is separated from the switching bearing, then the bicycle performs horizontal motion; and when the drawbar component is positioned at a second position, the switching component is separated from the fixed positioning block, and the switching bearing is fixedly connected with the switching component, then the bicycle performs phugoid motion.
Description
Technical field
The utility model belongs to a kind of bicycle, relates in particular to a kind of eccentric shaft bicycle.
Background technology
Bicycle has obtained using widely in our daily life as a kind of walking-replacing tool, raising along with people's living standard, bicycle is again as a kind of recreation and body-building apparatus, can level advances and undulatory motion transforms, and realizes riding instead of walk and the purpose of recreation and body-building.
A kind of eccentric shaft bicycle of realizing that bicycle rises and falls and to ride of the prior art, the wheel hub etc. that it comprises vehicle frame, trailing wheel and is positioned at core wheel respectively is provided with centring ring at two nozzles of wheel hub, is provided with the constant eccentric shaft of eccentric throw in the wheel hub.This eccentric shaft is that a hollow step axle and an end are hollow end, is outside equipped with in the step shaft part of hollow to make bicycle change the locking device of movement locus, and locking device is connected with push-key on the handlebar by the drag-line that passes the eccentric shaft hollow end.Locking device comprise be used to locate and having strong market potential of locking, with the lock that cooperates of having strong market potential, drive lock and finish the grooved lifting cover that becomes the rail action, wherein the grooved lifting puts and has a pair of wedge that can slide relatively.During the lock locking, the wedge of grooved lifting cover rises, and on lock-bit is buckled in and has strong market potential, the bearing failure that forms between hub tube and centring ring promptly is connected as a single entity, and bearing no longer rotates, and eccentric shaft drive wheel is done the eccentric rotary fluctuating and moved ahead; When lock was opened, the wedge of grooved lifting cover descended, the lock and the disengaging of having strong market potential, and bearing is made concentric rotating band motor-car wheel and is moved horizontally.
The shortcoming of above-mentioned eccentric shaft bicycle is, its eccentric shaft is a hollow step axle, when undulatory motion, the hollow step supports grooved lifting cover and rises, the two ends of eccentric shaft are connected with bearing, make eccentric shaft lose efficacy easily because of discontinuity, hollow step part processed complex increases processing cost simultaneously.In addition, in elevating movement, whole grooved lifting cover is pressed on the wedge, makes the wearing and tearing of wedge in the bicycle change rail process bigger, has influenced the anti-wear performance of eccentric shaft bicycle.
The utility model content
The technical problems to be solved in the utility model is, a kind of eccentric shaft bicycle is provided, and anti-wear performance is good, and its eccentric shaft is stressed even, easy to process.
In order to solve the problems of the technologies described above, the utility model provides a kind of eccentric shaft bicycle, and it comprises vehicle frame, wheel and be arranged at hub assembly on the wheel, and wheel is arranged on the vehicle frame, and hub assembly is arranged on the wheel.Wherein, hub assembly comprises outer wheel hub, transition components and eccentric shaft assembly, has the conversion bearing between outer wheel hub and the transition components, has capacity eccentric bearing between transition components and the eccentric shaft assembly.The eccentric shaft assembly comprises eccentric shaft, fixed cover and the rod assembly of an end hollow, and eccentric shaft wears and is fixed in the fixed cover, and vehicle frame is connected with fixed cover.The hollow space of eccentric shaft radially offers chute, and rod assembly is positioned at eccentric shaft and its end and passes chute and be connected with described transition components.Have the stationary positioned piece on the fixed cover, transition components is provided with the detent of stationary positioned piece correspondence, and the stationary positioned piece is positioned at detent, and is in axial sliding connection along eccentric shaft with transition components.When rod assembly was positioned at primary importance, stationary positioned piece and transition components were near being connected, and transition components separates with the conversion bearing; When rod assembly was positioned at the second place, transition components separated with the stationary positioned piece along chute, and the conversion bearing is fixedlyed connected with transition components.
When rod assembly is positioned at primary importance, stationary positioned piece and transition components are near being connected, transition components separates with the conversion bearing, by conversion bearing flexibly connect between outer wheel hub and the transition components this moment, transition components and eccentric shaft flexibly connect by capacity eccentric bearing, and vehicle frame is moved ahead along the axle center level of outer wheel hub; When rod assembly is positioned at the second place, transition components separates with the stationary positioned piece along detent, the conversion bearing is fixedlyed connected with transition components, fixedly connected between outer wheel hub and the transition components this moment, transition components and eccentric shaft flexibly connect by capacity eccentric bearing, wheel is that eccentric motion is made in the axle center with the eccentric shaft, thereby realizes the undulatory motion of vehicle frame.Transition components is a guide rail with the stationary positioned piece in the utility model, axially-movable along eccentric shaft, make being connected or separating of transition components and outer wheel hub, because transition components is only done axially-movable along the stationary positioned piece, therefore the external diameter of eccentric shaft is constant, its pressure that is subjected to transition components is evenly distributed, and processing is simple.Simultaneously, vehicle frame is connected with fixed cover, fixed cover is fixedlyed connected with eccentric shaft, make eccentric shaft and fixed cover bear the active force of vehicle frame jointly, thereby reduced the active force that eccentric shaft bore, when having guaranteed that the eccentric shaft bicycle is done the conversion campaign for a long time, reduce the wearing and tearing of eccentric shaft, improved product quality.
Description of drawings
Fig. 1 is a kind of hub assembly structural representation that the utility model embodiment provides;
Fig. 2 is the axial cross-sectional schematic of Fig. 1;
Fig. 3 is the radially cross-sectional schematic of Fig. 1;
Fig. 4 is the structural representation of rod assembly among Fig. 1;
Fig. 5 is the structural representation of fixed cover among Fig. 1;
Fig. 6 is the structural representation of gusset among Fig. 1;
Fig. 7 is the structural representation of inner wheel hub among Fig. 1;
Fig. 8 is the structural representation of fixed trap among Fig. 1.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also 1, Fig. 2 and Fig. 3, the utility model embodiment provides a kind of eccentric shaft bicycle, comprise vehicle frame (not shown), wheel (not shown) and be arranged at hub assembly 1 on the wheel, wheel is arranged on the vehicle frame, and hub assembly 1 is arranged on the wheel.Hub assembly 1 comprises outer wheel hub 11, transition components 12 and eccentric shaft assembly 13, has conversion bearing 14 between outer wheel hub 11 and the transition components 12, has capacity eccentric bearing 15 between transition components 12 and the eccentric shaft assembly 13.
When rod assembly 133 was positioned at primary importance, stationary positioned piece 1321 and transition components 12 were near being connected, and transition components 12 separates with conversion bearing 14, realizes the horizontal movement of eccentric shaft bicycle; When rod assembly 133 was positioned at the second place, transition components 12 separated with stationary positioned piece 1321 along detent, and conversion bearing 14 is fixedlyed connected with transition components 12, realizes the undulatory motion of eccentric shaft bicycle.
Particularly, as shown in Figure 4, rod assembly 133 comprises pull bar 1331, push-and-pull piece 1332, jump ring 1333 and return spring 1334, and pull bar 1331 is arranged in the hollow space of eccentric shaft 131, and push-and-pull piece 1332 is arranged at an end of pull bar 1331.Jump ring 1333 is arranged on the push-and-pull piece 1332, and passes chute and be connected with transition components 12, and return spring 1334 is fixed in the eccentric shaft 131.The other end of pull bar 1331 passes return spring 1334, and stretches out in the outside of eccentric shaft 131.Axial advance by pull bar 1331 and pulling out can realize the conversion of rod assembly 133 between the primary importance and the second place.In the present embodiment, 1332 only are provided with a jump ring 1333 on the push-and-pull piece, just can guarantee the firm connection of 1333 pairs of transition components 12 of jump ring, thereby have reduced on the push-and-pull piece 1332 processing capacity with jump ring 1333 coupling parts, have saved cost.
As shown in Figure 5 and Figure 6, stationary positioned piece 1321 is a cam-like, it is positioned at an end of fixed cover 132, the other end of fixed cover 132 is provided with draw-in groove 1322, have the buckle 1341 corresponding on the gusset 134 with draw-in groove 1322, buckle 1341 is embedded in the draw-in groove 1322, and vehicle frame is fixed on the gusset 134.By gusset 134, fixed cover 132 is fixedlyed connected with vehicle frame.
Vehicle frame is provided with the hand-control device of selecting horizontal movement or undulatory motion state, this hand-control device pull bar 1331 ends outer with stretching in eccentric shaft 131 are connected, during use, the user only needs to operate horizontal movement or the undulatory motion state that hand-control device is convertible bicycle.
In the present embodiment, the top of activity orientation piece 121 has afterburning groove, be provided with alignment pin 1211 and the energizing spring 1212 that is placed on the alignment pin 1211 in the afterburning groove, the end of movable block 122 is stuck on the alignment pin 1211, and be connected with energizing spring 1212, utilize the elastic force of energizing spring 1212, after 121 motions of activity orientation piece, can guarantee that the end of movable block 122 closely is connected with alignment pin 1211.
As shown in Figure 7, inner wheel hub 123 has annular outer ring 1231,1231 the contiguous block that radially is provided with hollow 1232 in the outer ring, has the outer ring through hole 1233 that communicates with the cavity of contiguous block 1232 on the outer ring 1231, activity orientation piece 121 and movable block 122 are arranged in the cavity of contiguous block 1232, and an end of movable block 122 extends to 1231 outsides, outer ring along outer ring through hole 1233.The two ends of latch 124 are fixed on the cavity sidewalls of contiguous block 1232, and articulate with movable block 122.The side of outer ring 1231 is along circumferentially having boss 1234, and conversion bearing 14 is connected in the both sides of described boss 1234.After movable block 122 1 ends and 121 motions of activity orientation piece, movable block 122 is rotating shaft with latch 124, and its other end is along backward rotation.
As shown in Figure 8, be provided with fixed trap 111 in the outer wheel hub 11, fixed trap 111 axial sides have positioning boss 112, conversion bearing 14 is provided with the detent corresponding with positioning boss 112, be embedded in the detent by positioning boss 112, fixed trap 111 is fixedlyed connected with conversion bearing 14.The radially inner side face of fixed trap 111 is provided with groove 113, and when pull bar 1331 was positioned at the second place, the end of movable block 122 was embedded in the groove 113, and movable block 122 is fixedlyed connected with fixed trap 111.
When rod assembly 133 is positioned at primary importance, stationary positioned piece 1321 and transition components 12 are near being connected, transition components 12 separates with conversion bearing 14, by conversion bearing 14 flexibly connect between outer wheel hub 11 and the transition components 12 this moment, transition components 12 flexibly connects by capacity eccentric bearing 15 with eccentric shaft 131, and vehicle frame is moved ahead along the axle center level of outer wheel hub 11; When rod assembly 133 is positioned at the second place, transition components 12 separates with stationary positioned piece 1321 along detent, conversion bearing 14 is fixedlyed connected with transition components 12, fixedly connected between outer wheel hub 11 and the transition components 12 this moment, transition components 12 flexibly connects by capacity eccentric bearing 15 with eccentric shaft 131, wheel is that eccentric motion is made in the axle center with eccentric shaft 131, thereby realizes the undulatory motion of vehicle frame.Transition components 12 is a guide rail with stationary positioned piece 1321 in the utility model, axially-movable along eccentric shaft 131, make being connected or separating of transition components 12 and outer wheel hub 11, because transition components 12 is only done axially-movable along cam-like stationary positioned piece 132, therefore the external diameter of eccentric shaft 131 is constant, its pressure that is subjected to transition components 12 is evenly distributed, and processing is simple.Simultaneously, vehicle frame is connected with fixed cover 132, fixed cover 132 is fixedlyed connected with eccentric shaft 131, make eccentric shaft 131 and fixed cover 132 bear the active force of vehicle frame jointly, thereby reduced the active force that eccentric shaft 131 is born, when having guaranteed that eccentric shaft 131 bicycles are done the conversion campaign for a long time, reduce the wearing and tearing of eccentric shaft 131, improved product quality.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. eccentric shaft bicycle, comprise vehicle frame, wheel and the hub assembly that is arranged on the wheel, described wheel is arranged on the vehicle frame, described hub assembly is arranged on the wheel, wherein, described hub assembly comprises outer wheel hub, transition components and eccentric shaft assembly, has the conversion bearing between described outer wheel hub and the transition components, has capacity eccentric bearing between described transition components and the eccentric shaft assembly, it is characterized in that: described eccentric shaft assembly comprises the eccentric shaft of an end hollow, fixed cover and rod assembly, described eccentric shaft wears and is fixed in the described fixed cover, described vehicle frame is connected with fixed cover, the hollow space of described eccentric shaft radially offers chute, described rod assembly is positioned at eccentric shaft and its end and passes described chute and be connected with described transition components, has the stationary positioned piece on the described fixed cover, and described transition components is provided with the detent corresponding with the stationary positioned piece, described stationary positioned piece is positioned at described detent, and is in axial sliding connection along eccentric shaft with described transition components; When described rod assembly was positioned at primary importance, described stationary positioned piece and described transition components were near being connected, and described transition components separates with the conversion bearing; When described rod assembly was positioned at the second place, described transition components separated with the stationary positioned piece, and described conversion bearing is fixedlyed connected with transition components.
2. eccentric shaft bicycle as claimed in claim 1 is characterized in that: be connected by gusset between described vehicle frame and the fixed cover.
3. eccentric shaft bicycle as claimed in claim 1, it is characterized in that: described transition components comprises activity orientation piece, movable block and inner wheel hub, described activity orientation piece is arranged in the inner wheel hub, and described activity orientation piece and inner wheel hub have coaxial through-hole, described eccentric shaft is in described coaxial through-hole, be articulated with latch on the described movable block, described latch is fixed on the described inner wheel hub, one end of described movable block is connected with described activity orientation piece, and described outer wheel hub is connected or separates with the other end of described movable block.
4. eccentric shaft bicycle as claimed in claim 3, it is characterized in that: described inner wheel hub has annular outer ring, the contiguous block that radially is provided with hollow of described outer ring, has the outer ring through hole that communicates with the cavity of described contiguous block on the described outer ring, described activity orientation piece and movable block are arranged in the cavity of contiguous block, and described movable block one end ring through hole outside described extends to the outside, outer ring.
5. eccentric shaft bicycle as claimed in claim 4 is characterized in that: the side of described outer ring is along circumferentially having boss, and described conversion bearing is connected in the both sides of described boss.
6. eccentric shaft bicycle as claimed in claim 1, it is characterized in that: described rod assembly comprises pull bar, push-and-pull piece, jump ring and return spring, described pull bar is arranged in the hollow space of described eccentric shaft, described push-and-pull piece is arranged at an end of pull bar, described jump ring is arranged on the push-and-pull piece, and passes described chute and be connected with described transition components, and described return spring is fixed in the eccentric shaft, the other end of described pull bar passes described return spring, and stretches out in described eccentric shaft outside.
7. eccentric shaft bicycle as claimed in claim 6 is characterized in that: described push-and-pull piece is provided with a jump ring.
8. eccentric shaft bicycle as claimed in claim 1, it is characterized in that: be provided with fixed trap in the described outer wheel hub, the axial side of described fixed trap has positioning boss, described conversion bearing is provided with the detent of positioning boss correspondence, be embedded in the described detent by described positioning boss, described fixed trap is fixedlyed connected with the conversion bearing, the radially inner side face of described fixed trap is provided with groove, when described rod assembly is positioned at the second place, the end of described movable block is embedded in the described groove, and described movable block is fixedlyed connected with fixed trap.
9. as each described eccentric shaft bicycle of claim 1-8, it is characterized in that: described stationary positioned piece is a cam-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200919815U CN201085919Y (en) | 2008-01-30 | 2008-01-30 | Bicycle with eccentric shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200919815U CN201085919Y (en) | 2008-01-30 | 2008-01-30 | Bicycle with eccentric shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201085919Y true CN201085919Y (en) | 2008-07-16 |
Family
ID=39633507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200919815U Expired - Fee Related CN201085919Y (en) | 2008-01-30 | 2008-01-30 | Bicycle with eccentric shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201085919Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108800A (en) * | 2010-07-20 | 2013-05-15 | 金万燮 | Variable device for varying central axis of wheel |
| WO2017190509A1 (en) * | 2016-05-05 | 2017-11-09 | 刘俊峰 | Stably connected wheel eccentric shaft assembly |
| WO2018103365A1 (en) * | 2016-12-09 | 2018-06-14 | 惠州真骐科技发展有限公司 | Control system of bicycle capable of phugoid motion and method for moving same |
-
2008
- 2008-01-30 CN CNU2008200919815U patent/CN201085919Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108800A (en) * | 2010-07-20 | 2013-05-15 | 金万燮 | Variable device for varying central axis of wheel |
| CN103108800B (en) * | 2010-07-20 | 2016-04-27 | 金万燮 | For changing the variset of the axis of wheel |
| WO2017190509A1 (en) * | 2016-05-05 | 2017-11-09 | 刘俊峰 | Stably connected wheel eccentric shaft assembly |
| WO2018103365A1 (en) * | 2016-12-09 | 2018-06-14 | 惠州真骐科技发展有限公司 | Control system of bicycle capable of phugoid motion and method for moving same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 Termination date: 20110130 |