CN201287814Y - Engine structure for bicycle transmission - Google Patents
Engine structure for bicycle transmission Download PDFInfo
- Publication number
- CN201287814Y CN201287814Y CNU2008203022229U CN200820302222U CN201287814Y CN 201287814 Y CN201287814 Y CN 201287814Y CN U2008203022229 U CNU2008203022229 U CN U2008203022229U CN 200820302222 U CN200820302222 U CN 200820302222U CN 201287814 Y CN201287814 Y CN 201287814Y
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- bicycle
- bicycle speed
- varying unit
- electromagnetism group
- 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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- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
A bicycle speed variator lifting structure, especially a bicycle speed variator lifting structure different from traditional brake cable pull type, includes an electromagnetic group, a limit seat and a carriage action part of bicycle speed variator, the electromagnetic group is connected with the limit seat and locked on a bicycle frame; the limiting seat is provided with a limiting column and a through hole corresponding to the position of the transmission shaft of the electromagnetic group; the sliding frame action part is provided with a first action hole and a second action hole; the transmission shaft of the electromagnetic group and the limiting column of the limiting seat are respectively sleeved in the first action hole and the second action hole of the sliding frame action part correspondingly. By the components, the sliding frame of the bicycle speed changer is driven to move forwards or backwards through the motion of the transmission shaft of the electromagnetic group, so that the bicycle chain is shifted in real time to change the speed, and the speed change is more convenient and accurate.
Description
Technical field:
The utility model relates to a kind of bicycle speed-varying unit and holds up structure, and is more convenient and accurate to provide bicycle shift to switch.
Background technology:
In the Regular Bicycle, change-speed box has become standard and has been equipped with, and by the application of change-speed box, to increase the comfort feature that the user drives bicycle; For variable speed control to bicycle speed-varying unit, the general mode that adopts the tractive of brake cable more, with the position of the balladeur train of regulating bicycle speed-varying unit, thereby switch the conversion of cycle chain between different gears, and then change user's the application of force degree and the speed of a motor vehicle; The case technology can be with reference to TaiWan, China patent the 95122096th before relevant, 96116325,95110577,96107767,96110373,95123077,95119951,96112511,96108618,96300983,96215675,96101778,96107596,95119083,95109194,95100087,95110568,95107048,95111379,95109118,95107450,96101651,95105845,95302630,95302628,95107048,95302254,95302252,95207038,95123077,94138219,95127785,95122096,95107450,95119083,95110568,94132860,94141926,94133290,94114426,94138219,95209007,95121481 etc. all before case.
Have the flowing mode of doing of bicycle speed-varying unit now, the general mode that adopts the tractive of brake cable more, position with the balladeur train of regulating bicycle speed-varying unit, though this mode is simple, judge this actuatings cable wire of pulling voluntarily but must rely on the user when switching and since activate steel lock length length have again cooresponding flexible, so the elasticity that the accuracy Chang Yingang of adjustment locks and influencing, and feel to promote accuracy in fact by the user merely from the real-time conversion of car change-speed box as switching foundation.
The utility model content:
Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, provide a kind of bicycle speed-varying unit to hold up structure, motion through electromagnetism group transmission shaft, do forward or displacement backward with the balladeur train that drives this bicycle speed-varying unit, switch to stir bicycle chain row culture speed change in real time, and make its speed change more convenient and accurate.
In order to solve the problems of the technologies described above, technical scheme that the utility model adopts is: a kind of bicycle speed-varying unit is held up structure, it comprises the balladeur train service portion of a bicycle speed-varying unit, be characterized in: also comprise an electromagnetism group, reach a limit base, this electromagnetism group is made up of the transmission shaft that several sections magnet coils drive a tool magnetic force section; The body of this limit base is provided with a limited post, and in transmission shaft place that should the electromagnetism group is provided with an open-work; This balladeur train service portion is provided with one first functional hole and one second functional hole, the transmission shaft of this electromagnetism group and corresponding respectively first and second functional hole held in the mouth in the balladeur train service portion that overlaps of the limited post of limit base.
Wherein, this electromagnetism group body is provided with at least more than one first lockhole; This limit base is provided with second lockhole with its coupling to the position of first lockhole that should the electromagnetism group.This limited post end is provided with an annular groove, when holding in the mouth second functional hole in the balladeur train service portion of this bicycle speed-varying unit for this spacing column sleeve, can be sheathed on this annular groove for a locating part.This locating part is a C type latch closure.
So,, do forward or displacement backward, switch to stir bicycle chain row culture speed change in real time, and make its speed change more convenient and accurate with the balladeur train that drives this bicycle speed-varying unit through the motion of electromagnetism group transmission shaft.
Description of drawings:
Fig. 1 is a three-dimensional exploded view of the present utility model.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is a start generalized section of the present utility model.
Fig. 4 is that the utility model is in the embodiment of Front Derailleur balladeur train scheme drawing.
Fig. 5 is that the utility model is in the embodiment of Rear Derailleur balladeur train scheme drawing.
The specific embodiment:
See also Fig. 1, Fig. 2, and shown in Figure 3, the utility model provides a kind of bicycle speed-varying unit to hold up structure, and it mainly is locked on cycle frame by an electromagnetism group 1, a limit base 2, cooperates a bicycle speed-varying unit balladeur train service portion 3 to form, wherein:
This electromagnetism group 1, it is mainly cooperated the transmission shaft 1 of a tool magnetic force section 121 by the magnet coil 11 of plural individual section
2 form, this electromagnetism group 1 body is provided with at least more than one first lockhole 13, and transmission shaft 12 ora terminalis of this electromagnetism group 1 are provided with at least one annular groove 122, the transmission shaft 12 of this electromagnetism group 1 is locked on first functional hole 31 of the balladeur train service portion 3 of this bicycle speed-varying unit, and cooperating locating part 123 sheathed this annular grooves 122 that are positioned, this locating part 123 is a C type latch closure.
This limit base 2, its body is provided with a limited post 21 and the position of transmission shaft 12 that should electromagnetism group 1 is provided with an open-work 22, wear rank for transmission shaft 12, these limited post 21 ends are provided with an annular groove 211, when holding in the mouth second functional hole 32 in the balladeur train service portion 3 of bicycle speed-varying unit for this limited post 21 covers, can supply a locating part 212 sheathed this annular grooves 211 that are positioned, this locating part 212 is a C type latch closure, the position of first lockhole 13 that 2 pairs of this limit bases should electromagnetism group 1 is provided with second lockhole 23 again, and is fixing for locked assembly 4 lock knots.
This balladeur train service portion 3 which is provided with one first functional hole 31 and one second functional hole 32.
Composition by said modules, electromagnetism group 1 cooperates limit base 2 locks to tie in the default place of cycle frame, can distinguish corresponding cover for the transmission shaft 12 of electromagnetism group 1 and the limited post 21 of limit base 2 holds in the mouth in first of the balladeur train service portion 3 of bicycle speed-varying unit, two functional holes 31,32, structure as shown in Figures 3 and 4, be applied to the embodiment of the balladeur train 5 of bicycle Front Derailleur, and structure shown in Figure 5, be applied to the embodiment of the balladeur train 6 of bicycle rear derailleur, by in the electromagnetism group 1 independently magnet coil 11 in energising back driven by power, with the magnetic force section 121 on the magnetic transmission shaft 12, this transmission shaft 12 is done forward or displacement backward, so just, can stir cycle chain T in real time and oppose and answer speed change to switch, and make its speed change more convenient with accurately.
In sum, the utility model to replace the tractive mode of utilizing brake cable in the prior art, is effectively avoided the driving of bicycle speed-varying unit balladeur train by the electromagnetism group can't make the disappearance that accuracy is adjusted, and further promotes the benefit from the car change-speed box.
Claims (4)
- [claim 1] a kind of bicycle speed-varying unit is held up structure, it comprises the balladeur train service portion of a bicycle speed-varying unit, it is characterized in that: also comprise an electromagnetism group, reach a limit base, this electromagnetism group is made up of the transmission shaft that several sections magnet coils drive a tool magnetic force section; The body of this limit base is provided with a limited post, and in transmission shaft place that should the electromagnetism group is provided with an open-work; This balladeur train service portion is provided with one first functional hole and one second functional hole, the transmission shaft of this electromagnetism group and corresponding respectively first and second functional hole held in the mouth in the balladeur train service portion that overlaps of the limited post of limit base.
- [claim 2] bicycle speed-varying unit as claimed in claim 1 is held up structure, it is characterized in that: described electromagnetism group body is provided with at least more than one first lockhole.
- [claim 3] bicycle speed-varying unit as claimed in claim 1 is held up structure, it is characterized in that: described transmission shaft ora terminalis is provided with the annular groove for the sheathed location of locating part.
- [claim 4] bicycle speed-varying unit as claimed in claim 1 is held up structure, it is characterized in that: described limited post end is provided with an annular groove for the sheathed location of a locating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203022229U CN201287814Y (en) | 2008-09-25 | 2008-09-25 | Engine structure for bicycle transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203022229U CN201287814Y (en) | 2008-09-25 | 2008-09-25 | Engine structure for bicycle transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201287814Y true CN201287814Y (en) | 2009-08-12 |
Family
ID=40979488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203022229U Expired - Fee Related CN201287814Y (en) | 2008-09-25 | 2008-09-25 | Engine structure for bicycle transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201287814Y (en) |
-
2008
- 2008-09-25 CN CNU2008203022229U patent/CN201287814Y/en not_active Expired - Fee Related
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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: 20090812 Termination date: 20110925 |