CN202727870U - Biaxial linked integrated middle shaft for bicycle - Google Patents
Biaxial linked integrated middle shaft for bicycle Download PDFInfo
- Publication number
- CN202727870U CN202727870U CN 201220230991 CN201220230991U CN202727870U CN 202727870 U CN202727870 U CN 202727870U CN 201220230991 CN201220230991 CN 201220230991 CN 201220230991 U CN201220230991 U CN 201220230991U CN 202727870 U CN202727870 U CN 202727870U
- Authority
- CN
- China
- Prior art keywords
- axis
- sleeve
- middle shaft
- center
- driving
- Prior art date
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/003—Combination of crank axles and bearings housed in the bottom bracket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/06—Construction of cranks operated by hand or foot with elliptical or other non-circular rotary movement
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model discloses a biaxial linked integrated middle shaft for a bicycle. The biaxial linked integrated middle shaft comprises a drive middle shaft and a middle shaft shell, wherein a sleeve shaft is arranged between the drive middle shaft and the middle shaft shell; the drive middle shaft is arranged in a hole of the sleeve shaft by a bearing of the drive middle shaft; the sleeve shaft is arranged in a hole of the middle shaft shell by a bearing of the sleeve shaft; and recoil force of the drive middle shaft is applied to the sleeve shaft, and the sleeve shaft changes a linear direction of the recoil force to slightly swing in a radial direction in an inner circle of the middle shaft shell. The biaxial linked integrated middle shaft has the beneficial effects that by integrating three functions, the middle shaft is high in accuracy, facilitates consistency of debugging output signals during production, and is convenient to use.
Description
Technical field
The utility model relates to the driving device in a kind of bicycle, particularly a kind of integral center-axis of bicycle double-shaft interlock.
Background technology
Existing bicycle transmission shaft comprises axis, bearing and lining, and fixed type bearing gear in the right is assembled into integral center-axis.Left side free bearing gear is dismantled and assembled adjustment, takes out left side free bearing gear, and integral center-axis is inserted in the middle joint for bicycle frame right ports, screws the right fixed type bearing gear, from the middle joint for bicycle frame left side, and the left side free bearing gear of packing into; Integral center-axis is just loaded onto the sprocket wheel that drives cycle chain generally, relies on function of manpower driving bicycle, function singleness.
The utility model content
The utility model, provide a kind of novel three functions that have: export on its radial rotary angle displacement data, the 3rd axis with workplatform by sleeve by driving axis manpower driving bicycle, second for first, the element of the radial rotary angle displacement data of accepting sleeve and translation data can be installed, also be provided with the integral center-axis of the bicycle double-shaft interlock of signal output part sub-interface.
To achieve these goals, the utility model institute Adopts measure:
A kind of integral center-axis of bicycle double-shaft interlock, comprise and drive axis and middle shaft housing, between described driving axis and the middle shaft housing sleeve is installed, described driving axis is contained in the hole of described sleeve by driving bottom bracket bearing, described sleeve is loaded in the hole of described middle shaft housing by the cover axle bearing, the Backlash of described driving axis forces in described sleeve simultaneously, and described sleeve changes the rectilinear direction of Backlash, does radially wobbling of trace in the inner circle of described middle shaft housing.Another end of described middle shaft housing is equipped with components and parts erection work platform, one end of described sleeve connects with the medium that radially wobbles displacement signal that the described sleeve of acceptance that is installed in the described components and parts erection work platform constantly changes, and is the voltage signal that constantly changes by described change of medium.
Between described driving axis and the middle shaft housing sleeve is installed, the cylindrical two ends that drive axis are separately installed with the driving bottom bracket bearing, there is the bottom bracket bearing of driving to keep off between the two bearings outer ring outward, and by driving the bottom bracket bearing circlip and driving the end that the bottom bracket bearing packing ring is positioned the endoporus of sleeve, in the other end of endoporus, gear locking drives axis in screwing in, the cylindrical two ends of sleeve are separately installed with the cover axle bearing, there is the cover axle bearing to keep off between the two bearings outer ring outward, one end of sleeve is spacing with components and parts erection work platform, the other end is fixed in the middle shaft housing by the cover axle bearing circlip that is installed on the middle shaft housing, an end of middle shaft housing is equipped with circular nut by outside thread, and another end is equipped with components and parts erection work platform;
Install on the described components and parts erection work platform and be provided with the signal output part sub-interface.
The center of circle of the excircle of described sleeve and the center of circle of inner periphery are dislocatedly distributed.
The spacing in the center of circle of the excircle of described sleeve and the center of circle of inner periphery is 1.5mm-10mm.
The magnetic end instr that described medium comprises moment arm, is arranged on the magnetic part on the described moment arm and matches with described magnetic part, described magnetic end instr is installed on the described components and parts erection work platform, and described sleeve is connected with described moment arm.
Be provided with spacing mandril and the spring that is sleeved on the described spacing mandril on the described components and parts erection work platform, described spacing mandril matches with the free end of described moment arm by described spring.
The arranged outside of described moment arm has disc sensor, and the disk in the described disc sensor is connected with described driving axis.
The beneficial effects of the utility model: axis is integrated three kinds of functions once, and precision is high, be beneficial in the production, and debugging output signal conformability, easy to use.
Description of drawings
Fig. 1, inner structure scheme drawing of the present utility model.
Fig. 2, the utility model is installed the structural representation behind the signal output part sub-interface.
Fig. 3, the block diagram of the another kind of embodiment of the utility model.
Fig. 4, the section drawing of the another kind of embodiment of the utility model.
Fig. 5, the front view of sleeve among the another kind of embodiment of the utility model.
The specific embodiment
Referring to Fig. 1, a kind of integral center-axis of bicycle double-shaft interlock, comprise and drive axis 1 and middle shaft housing 3, between described driving axis 1 and the middle shaft housing 3 sleeve 2 is installed, the cylindrical two ends of described driving axis 1 are separately installed with and drive bottom bracket bearing 7, the outer gear 10 of the bottom bracket bearing of driving is arranged between the two bearings outer ring, and by driving bottom bracket bearing circlip 16 and driving the end that bottom bracket bearing packing ring 17 is positioned the endoporus of sleeve 2, in the other end of endoporus, gear 6 lockings drive axis 1 in screwing in, the cylindrical two ends of sleeve 2 are separately installed with cover axle bearing 9, the outer gear 11 of cover axle bearing is arranged between the two bearings outer ring, one end of sleeve 2 is spacing with components and parts erection work platform 4, the other end is fixed in the middle shaft housing 3 by the cover axle bearing circlip 14 that is installed on the middle shaft housing 3, an end of middle shaft housing 3 is equipped with circular nut 12 by outside thread, and another end is equipped with components and parts erection work platform 4; Install on the described components and parts erection work platform 4 and be provided with signal output part sub-interface 18.
According to Fig. 1, Fig. 2 production process of the present utility model is described:
Set forth the specific embodiment of the present utility model according to Fig. 1, Fig. 2:
The utility model is packed in the bicycle center tap, fix with vehicle frame center tap end face with circular nut 12, the sprocket crank of bicycle is loaded onto at the two ends that drive axis 1, the flywheel that connects trailing wheel by cycle chain, when the external force cw drives axis 1, drive axis 1 by driving bottom bracket bearing 7, in the hole of sleeve 2, rotate, this moment, the pulling force of chain produced tractive force to bicycle, also produce Backlash to driving axis 1 simultaneously, because the variation of tractive force, the Backlash size of the driving axis 1 of conduction chain also changes, because drive axis 1 and be in the hole that is contained in sleeve 2 by driving bottom bracket bearing 7, because sleeve 2 is loaded in the hole of middle shaft housing 3 by cover axle bearing 9, force in simultaneously sleeve 2 so drive the Backlash of axis 1 again, again because the restriction of middle shaft housing 3 inner circles, force sleeve 2 to change the rectilinear direction of Backlash, make sleeve 2 in the inner circle of middle shaft housing, do radially wobbling of trace; Large and little according to the bicycle tractive force, it is also different to give the recoil size that drives axis 1; The radially wobble angle of sleeve 2 in middle shaft housing 3 also changes thereupon, utilize this principle, end at the components and parts erection work platform 4 of sleeve 2, with the medium connection that radially wobbles displacement signal that sleeve 2 constantly changes of accepting that is installed in the components and parts erection work platform 4, become the voltage signal that constantly changes by change of medium, voltage signal is terminal by signal output part sub-interface 18, with extraneous power supply, motor control system connects, thereby realizes the purpose of this utility model.
Referring to Fig. 4 and Fig. 5, in the another kind of embodiment that the utility model provides, the center of circle a of the excircle of described sleeve 2 and the center of circle b of inner periphery are dislocatedly distributed.The spacing L of the center of circle a of the excircle of described sleeve 2 and the center of circle b of inner periphery is 1.5mm-10mm.Present embodiment is 2.5mm.The wall thickness of described sleeve 2 of the present utility model is grading structures, and the pivot center of described driving axis 1 is different from the axle center of described middle shaft housing 3, and namely described driving axis 1 is to be eccentrically set in the described middle shaft housing 3.This eccentric setting is so that driving axis 1 when stressed rotating, can drive according to the size of tractive force described sleeve 2 swings.Certainly, the mode that driving axis 1 drives sleeve 2 has a variety of, also can adopt other version.For example, by adjusting friction force between the two, perhaps both arrange flexible connection structure.Main purpose is in order to drive axis 1 sleeve 2 is swung.
Referring to Fig. 3, in above-described embodiment that the utility model provides, the magnetic end instr 103 that described medium comprises moment arm 101, is arranged on the magnetic part 102 on the described moment arm 101 and matches with described magnetic part 102, described magnetic end instr 103 is installed on the described components and parts erection work platform 4, and described sleeve 2 is connected with described moment arm 101.Magnetic part 102 described here is a magnet, described magnetic end instr 103 is Hall element, described sleeve 2 drive moment arms 101 swing, thereby adjust the relative position of magnetic part 102 and described magnetic end instr 103, by magnetic end instr 103 can the perception tractive force size, thereby the electric signal transmission that will react the tractive force size is to control system.
Referring to Fig. 3, in above-described embodiment that the utility model provides, be provided with spacing mandril 41 and the spring 42 that is sleeved on the described spacing mandril 41 on the described components and parts erection work platform 4, described spacing mandril 41 matches with the free end of described moment arm 101 by described spring 42.41 pairs of moment arms 101 of described spacing mandril play spacing effect, prevent that its oscillating quantity is excessive.Described spring 42 can make moment arm reset.
Referring to Fig. 3, in above-described embodiment that the utility model provides, the arranged outside of described moment arm 101 has disc sensor 104, and the disk 105 in the described disc sensor 104 is connected with described driving axis 1.Described disc sensor 104 plays the effect of auxiliary detection, judges whether rotating, it is moving to prevent false touch if driving axis 1.
Other structures and first embodiment of present embodiment are identical.
Those skilled in the art's simple change and replacement in this area all are within the protection domain of the present utility model.
Claims (13)
1. the integral center-axis of a bicycle double-shaft interlock, comprise and drive axis and middle shaft housing, it is characterized in that: between described driving axis and the middle shaft housing sleeve is installed, described driving axis is contained in the hole of described sleeve by driving bottom bracket bearing, described sleeve is loaded in the hole of described middle shaft housing by the cover axle bearing, the Backlash of described driving axis forces in described sleeve simultaneously, described sleeve changes the rectilinear direction of Backlash, does radially wobbling of trace in the inner circle of described middle shaft housing.
2. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 1, it is characterized in that: another end of described middle shaft housing is equipped with components and parts erection work platform, one end of described sleeve connects with the medium that radially wobbles displacement signal that the described sleeve of acceptance that is installed in the described components and parts erection work platform constantly changes, and is the voltage signal that constantly changes by described change of medium.
3. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 2 is characterized in that: install on the described components and parts erection work platform and be provided with the signal output part sub-interface.
4. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 1, it is characterized in that: described driving bottom bracket bearing is installed in respectively the cylindrical two ends of described driving axis, has the bottom bracket bearing of driving to keep off between the two described driving bottom bracket bearing outer rings outward.
5. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 4, it is characterized in that: described driving axis is by driving the bottom bracket bearing circlip and driving the end that the bottom bracket bearing packing ring is positioned the endoporus of described sleeve, in the other end of described sleeve endoporus, the described driving axis of gear locking in screwing in.
6. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 1, it is characterized in that: the cylindrical two ends of described sleeve are separately installed with described cover axle bearing, have the cover axle bearing to keep off between the two described sleeve outside racees outward.
7. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 6, it is characterized in that: an end of described sleeve is spacing with components and parts erection work platform, and the other end is fixed in the described middle shaft housing by the cover axle bearing circlip that is installed on the described middle shaft housing.
8. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 2, it is characterized in that: an end of described middle shaft housing is equipped with circular nut by outside thread, and another end is equipped with described components and parts erection work platform.
9. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 1, it is characterized in that: the center of circle of the excircle of described sleeve and the center of circle of inner periphery are dislocatedly distributed.
10. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 9, it is characterized in that: the spacing in the center of circle of the excircle of described sleeve and the center of circle of inner periphery is 1.5mm-10mm.
11. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 2, it is characterized in that: the magnetic end instr that described medium comprises moment arm, is arranged on the magnetic part on the described moment arm and matches with described magnetic part, described magnetic end instr is installed on the described components and parts erection work platform, and described sleeve is connected with described moment arm.
12. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 11, it is characterized in that: be provided with spacing mandril and the spring that is sleeved on the described spacing mandril on the described components and parts erection work platform, described spacing mandril matches with the free end of described moment arm by described spring.
13. the integral center-axis of a kind of bicycle double-shaft interlock according to claim 11 is characterized in that: the arranged outside of described moment arm has disc sensor, and the disk in the described disc sensor is connected with described driving axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230991 CN202727870U (en) | 2011-06-20 | 2012-05-22 | Biaxial linked integrated middle shaft for bicycle |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120209050.2 | 2011-06-20 | ||
| CN201120209050 | 2011-06-20 | ||
| CN 201220230991 CN202727870U (en) | 2011-06-20 | 2012-05-22 | Biaxial linked integrated middle shaft for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202727870U true CN202727870U (en) | 2013-02-13 |
Family
ID=46806119
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101598418A Pending CN102673313A (en) | 2011-06-20 | 2012-05-22 | Double-shaft linked integrated centre shaft for bicycle |
| CN 201220230991 Expired - Fee Related CN202727870U (en) | 2011-06-20 | 2012-05-22 | Biaxial linked integrated middle shaft for bicycle |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101598418A Pending CN102673313A (en) | 2011-06-20 | 2012-05-22 | Double-shaft linked integrated centre shaft for bicycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102673313A (en) |
| WO (1) | WO2012174852A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014100786A1 (en) * | 2014-01-23 | 2015-07-23 | Chin-Shu Chang | DRIVE MECHANISM FOR AN ELECTRIC BICYCLE |
| CN107128412A (en) * | 2017-05-12 | 2017-09-05 | 骑记(厦门)科技有限公司 | One kind is ridden the two-in-one bicycle of sliding steps and its operating method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2250874Y (en) * | 1996-01-05 | 1997-04-02 | 清华大学 | Bottom bracket bearing mechanism capable of measuring pedal force |
| CN2277934Y (en) * | 1996-03-22 | 1998-04-08 | 美利达工业股份有限公司 | Electric bicycle gearing device with auxiliary booster |
| CN2256849Y (en) * | 1996-08-06 | 1997-06-25 | 清华大学 | Intelligent motor-assisted bicycle |
| CN2775631Y (en) * | 2005-02-05 | 2006-04-26 | 郭晓 | Electric bicycle torque sensor |
| ITMI20070669A1 (en) * | 2007-04-02 | 2008-10-03 | Campagnolo Srl | INSTRUMENTED BICYCLE COMPONENT AND DETECTION UNIT TO INSTRUMENT THIS COMPONENT |
| CN101817388B (en) * | 2010-05-04 | 2012-07-25 | 陈戈平 | Power-assisted transmission mechanism for electric power-assisted bicycle |
| CN101973357B (en) * | 2010-10-28 | 2012-08-15 | 苏州工业园区同盛车业有限公司 | Moment and speed sensor of electric bicycle |
-
2012
- 2012-05-22 WO PCT/CN2012/000715 patent/WO2012174852A1/en active Application Filing
- 2012-05-22 CN CN2012101598418A patent/CN102673313A/en active Pending
- 2012-05-22 CN CN 201220230991 patent/CN202727870U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012174852A1 (en) | 2012-12-27 |
| CN102673313A (en) | 2012-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20200522 |