CN201472610U - Electromagnetic controlled variable speed bicycle transmission mechanism - Google Patents
Electromagnetic controlled variable speed bicycle transmission mechanism Download PDFInfo
- Publication number
- CN201472610U CN201472610U CN2009201564985U CN200920156498U CN201472610U CN 201472610 U CN201472610 U CN 201472610U CN 2009201564985 U CN2009201564985 U CN 2009201564985U CN 200920156498 U CN200920156498 U CN 200920156498U CN 201472610 U CN201472610 U CN 201472610U
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- driving gear
- bicycle
- conductive part
- combined
- transmission mechanism
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Abstract
The utility model provides an electromagnetic controlled variable speed bicycle transmission mechanism, which comprises a driven chain wheel, a transmission shaft, a driving gear, a conducting device and a clutch mechanism, wherein the driven chain wheel, the transmission shaft, the driving gear, the conducting device and the clutch mechanism can be assembled between a bicycle rear axle and a pedal rod rotating shaft, the driven chain wheel is combined on a rotating shaft of a bicycle rear wheel, the rear end of the transmission shaft is combined to one side of the driven chain wheel, the driving gear, the conducting device and the clutch are combined on the transmission shaft, the front end of the driving gear is provided with electromagnets, and the driving gear is meshed with the driven chain wheel. In the electromagnetic controlled variable speed bicycle transmission mechanism, the conducting device can supply power to the electromagnets of the driving gear, the clutch mechanism can be connected or disconnected with the driving gear by aid of magnetic force generated by the electromagnets, and then the driven chain wheel is driven by the transmission shaft via the clutch mechanism and the driving gear, thereby realizing variable speed under electromagnetic control.
Description
Technical field
The utility model relates to a kind of transmission mechanism of bicycle of electro permanent magnetic control speed change, refers to that especially a kind of employing transmission shaft and gear cluster drive bicycle rear, and adopts the transmission mechanism of bicycle of electromagnet and clutch control speed change.
Background technology
Existing transmission mechanism of bicycle, normally in right side foot-driven lever rotating shaft in conjunction with a deep bid (preceding sprocket wheel), in addition in the trailing wheel rotating shaft in conjunction with the less flywheel of a ratio of number of teeth (back sprocket wheel), and at deep bid and flywheel winding one chain, turn flywheel synchronously when deep bid being rotated, drive the trailing wheel of bicycle then by this chain.The transmission device of some bicycle design again, in order to allow the user select the pattern of the shelves speed and the foot-operated application of force voluntarily, system changes the flywheel of trailing wheel into a plurality of numbers of teeth and constitutes than different back sprocket wheels, be connected the shift cable between Rear Derailleur and the gearshift knob in conjunction with a Rear Derailleur, a gearshift knob and in addition, again chain is walked around Rear Derailleur and flywheel, so the user can see through gearshift knob and shift cable pulling Rear Derailleur, switch the binding site of chain and back sprocket wheel, reach the function of speed change.But known transmission mechanism of bicycle all is to use sprocket wheel and chain to form, and runs into complicated factors such as jolt road conditions or chain mechanical fatigue or change-speed box flaw, change action be improper in advancing, and usually causes chain releasing, causes the gob-struck situation of user.
Therefore, how creating a kind of transmission mechanism of bicycle that can the section speed change, so that transmission device can drive the trailing wheel of bicycle, can allow user's conversion shelves speed easily, can avoid the situation of chain releasing again, will be that the utility model will actively disclose part.
Summary of the invention
Because the shortcoming of above-mentioned known bicycle variable-ratio transmission device, it does not reach perfection contriver's thoughts, then exhausting the concentrated research of its intelligence overcomes, be engaged in this industry accumulating experience for many years with it, and then develop the transmission mechanism of bicycle of a kind of electro permanent magnetic control speed change, in the hope of reaching the trailing wheel that transmission device can drive bicycle, can allow user's conversion shelves speed easily, can avoid the purpose of chain releasing again.
Main purpose of the present utility model is at the transmission mechanism of bicycle that a kind of electro permanent magnetic control speed change is provided, it is by the transmission mechanism of bicycle design of innovation, cause bicycle can adopt the transmission mode of transmission shaft and gear, and the control structure of employing electromagnet and power-transfer clutch, and then reach and to drive bicycle rear, the user can be provided conversion shelves speed easily, can avoid the purpose of chain releasing again.
For reaching above-mentioned purpose, the transmission mechanism of bicycle of the utility model electro permanent magnetic control speed change comprises: a passive fluted disc, its card are provided with the above ring tooth of a circle, and the place, axle center of card is combined with a permanent seat; One transmission shaft, its end is combined in the permanent seat of this passive fluted disc rotationally; One driving gear is linked in the axle body of this transmission shaft rotationally, and with the ring tooth engagement of passive fluted disc, the front end of each driving gear is equipped with one by the driving section, and should is electromagnet by the driving section, is provided with anodal conductive part and negative pole conductive part around; One electric installation comprises an anodal conducting rod and a negative pole conducting rod, is provided with a brush at anodal conducting rod and negative pole conducting rod respectively, and this brush contacts this driving gear respectively by the anodal conductive part of driving section and negative pole conductive part; One engaging and disengaging gear, comprise a clutch discs and an elastic parts, this clutch discs is combined in the transmission shaft axle body of driving gear front end, and be combined into the state that to rotate synchronously and to endwisely slip with transmission shaft, this clutch discs is provided with a main gear portion to card that should the driving gear front end, this main gear portion can with combined by the driving section or break away from, and this elastic parts is combined between driving gear and the clutch discs, one end hold driving gear by the driving section, the other end holds the main gear portion in clutch discs.
Thus, the transmission mechanism of bicycle of a kind of electro permanent magnetic control of the utility model speed change, this passive fluted disc can be combined in the trailing wheel rotating shaft of bicycle, passive fluted disc and trailing wheel rotating shaft be rotated synchronously, and the foot-driven lever rotating shaft of this transmission shaft front end and bicycle is combined into synchronous rotary state; So can power and produce magnetic force to driving gear front end electromagnet by this electric installation, attract the main gear portion of clutch discs and being combined of this driving gear by the driving section, when its in conjunction with the time just can make this transmission shaft turn this driving gear, drive passive fluted disc by driving gear again, the trailing wheel of bicycle is rotated; In addition, when the electric power of this electric installation is eliminated, can utilize elastic parts to make clutch discs and driving gear disengaging, just can reach thus and can drive bicycle rear, avoid the known transmission chain releasing and the effect of conversion shelves speed arbitrarily.
Description of drawings
Fig. 1 is the block diagram of the utility model preferred embodiment bicycle application state.
Fig. 2 is the exploded drawings of passive fluted disc of the utility model preferred embodiment and transmission shaft.
Fig. 3 is the assembly drawing of the utility model preferred embodiment driving gear and engaging and disengaging gear.
Fig. 4 is the scheme drawing that the utility model preferred embodiment clutch discs and driving gear break away from.
Fig. 5 is the scheme drawing that the utility model preferred embodiment clutch discs combines with driving gear.
[primary clustering nomenclature]
10..... bicycle
1...... passive fluted disc
11..... ring tooth
12..... permanent seat
121.... axis hole
122.... bearing
2...... transmission shaft
3...... driving gear
31..... by the driving section
311.... anodal conductive part
312.... negative pole conductive part
313.... coil
314.... trip
4...... electric installation
41..... anodal conducting rod
42..... negative pole conducting rod
43..... brush
431.... runner
44..... power lead
5...... engaging and disengaging gear
51..... clutch discs
511.... main gear portion
512.... mortise
52..... elastic parts
53..... baffle ring
6...... battery
61..... electric wire
62..... varying speed switch
The specific embodiment
For fully understanding the purpose of this utility model, feature and effect, existing according to following specific embodiment, and cooperate appended graphicly, the utility model is done one describes in detail, illustrate as after:
As shown in Figures 1 and 2, the transmission mechanism of bicycle of the utility model electro permanent magnetic control speed change, its preferred embodiment comprises can assemble a passive fluted disc 1, a transmission shaft 2, a driving gear 3, an electric installation 4 and an engaging and disengaging gear 5 that is applied in bicycle 10, wherein:
Passive fluted disc 1, as shown in Figures 1 and 2, rotating disk for circle, can be combined in the trailing wheel rotating shaft of bicycle 10, rotate synchronously with the trailing wheel rotating shaft, its card is provided with the above ring tooth 11 of a circle, this ring tooth 11 can be umbrella tooth or other profile of tooth, and at place, the axle center of card in conjunction with a permanent seat 12 that can not rotate synchronously, this permanent seat 12 can be circular pedestal, as shown in Figure 4, is provided with an axis hole 121 in the side, in conjunction with a bearing 122, provide the end combination of transmission shaft 2 by this axis hole 121 and bearing 122 in this axis hole 121.
Driving gear 3, as shown in Figures 2 and 3, can be bevel gear or other gear that can mate with the ring tooth 11 of passive fluted disc 1, its rotary shape is linked in the axle body of this transmission shaft 2, and with ring tooth 11 engagement of passive fluted disc 1, be equipped with one by driving section 31 at the front end of this driving gear 3, this can be produced the electromagnet of magnetic by driving section 31 for switching on, and is provided with an anodal conductive part 311 and a negative pole conductive part 312 around it.Wherein, this by the better embodiment in driving section 31 as shown in Figure 4, its inside is arranged with coil 313, and around by driving section 31, be respectively equipped with this positive pole conductive part 311 and negative pole conductive part 312, this positive pole conductive part 311 and negative pole conductive part 312 be around by the annular arrangement copper sheet or the copper cash of driving section 31, and electrically connect with this coil 313 respectively.
Engaging and disengaging gear 5, as shown in Figures 2 and 3, it includes a clutch discs 51 and an elastic parts 52, this clutch discs 51 is combined in transmission shaft 2 axle bodies of driving gear 3 front ends, and be combined into the state that to rotate synchronously and to endwisely slip with this transmission shaft 2, and 51 pairs of this clutch discs should driving gear 3 front ends card be provided with a main gear portion 511, make this main gear portion 511 can with combined by driving section 31 or break away from; And this elastic parts 52 can be spiral compression spring, be combined between driving gear 3 and the clutch discs 51, the one end hold driving gear 3 by driving section 31, the other end holds the main gear portion 511 in clutch discs 51, so this clutch discs 51 can be pushed away driving gear 3.Wherein, as shown in Figures 3 and 4, this engaging and disengaging gear 5 also includes a baffle ring 53, and this baffle ring 53 is combined in the axle body of transmission shaft 2, by the axially movable limit travel of these baffle ring 53 restriction clutch discs 51, and prevents clutch discs 51 release the drive axles 2.
And for example shown in Figure 2, the card that the utility model also comprises this passive fluted disc 1 is provided with the above ring tooth 11 of two circles, and the driving gear 3 of the axle body fit of these transmission shaft 2 rear ends more than two, each driving gear 3 encircle tooth 11 engagements with respectively enclosing of passive fluted disc 1 respectively; Two groups of above electric installations 4 make the brush 43 (runner 431) of each electric installation 4 contact the anodal conductive part 311 and the negative pole conductive part 312 of this driving gear 3 respectively; And two groups of above engaging and disengaging gear 5, the clutch discs 51 of each engaging and disengaging gear 5 is combined in transmission shaft 2 axle bodies of driving gear 3 front ends respectively, and each elastic parts 52 is combined between driving gear 3 and the clutch discs 51.So just can select a wherein electric installation 4 power supplies to give the coil 313 of driving gear 3 arbitrarily, make this coil 313 produce electro permanent magnetic, and attract the main gear portion 511 of this clutch discs 51 and being combined of this driving gear 3 by driving section 31.
And for example shown in Figure 3, what the utility model preferred embodiment also comprised this driving gear 3 is provided with a plurality of trips 314 that are arranged in ring-type by driving section 31 front ends, be provided with described coil 313 around this trip 314, this coil 313 electrically connects with anodal conductive part 311 and negative pole conductive part 312 respectively, and the main gear portion 511 of this clutch discs 51 is for being arranged in a plurality of mortises 512 of ring-type.In like manner, can change be embodied as this driving gear 3 be provided with a plurality of mortises that are arranged in ring-type by driving section 31 front ends, the main gear portion 511 of this clutch discs 51 is for being arranged in a plurality of trips of ring-type.So, when coil 313 produces electro permanent magnetic, just can attract the mortise 512 of this clutch discs 51 to combine, reach the purpose of transmission with the trip 314 of this driving gear 3, on the contrary then make clutch discs 51 these driving gears 3 of disengaging by driving section 31.
Transmission mechanism of bicycle design according to the utility model electro permanent magnetic control speed change, its usage operation as shown in Figure 4, when user's desire selects that wherein a kind of grade of speed is advanced, can be by these varying speed switch 62 control batteries 6, make battery 6 produce electro permanent magnetic for the coil 313 of this driving gear 3 via a selected electric installation 4 power supplies, and attraction the main gear portion 511 of clutch discs 51 and being combined of driving gear 3 by driving section 31, when its in conjunction with the time just can make this transmission shaft 2 turn this driving gear 3 via clutch discs 51, drive passive fluted disc 1 by this driving gear 3 again, the trailing wheel of bicycle is rotated.When if the user needs conversion shelves speed, as shown in Figure 5, may command battery 6 stops power supply to this electric installation 4, thereby make driving gear 3 lost electro permanent magnetic by driving section 31, utilize elastic parts 52 that clutch discs 51 and driving gear 3 are broken away from again, simultaneously user's coil 313 of can selecting again to power to another driving gear 3, by above-mentioned principle, another clutch discs 51 is combined with driving gear 3, and just the principle that can borrow gear ratio to change is reached speed changing function.
As mentioned above, the utility model meets patent three important documents fully: novelty, creativeness and practicality.With novelty and creative, the utility model is by the transmission device design of innovation electro permanent magnetic control speed change, cause bicycle can adopt the transmission mode of transmission shaft and gear, and then reach and to drive bicycle rear, avoid chain releasing, and can reach the user is provided the effect of conversion shelves speed easily.With regard to practicality, the product that utilizes the utility model to derive is when the demand that can fully satisfy existing market.
The utility model discloses with preferred embodiment hereinbefore, yet it will be understood by those skilled in the art that this embodiment only is used to describe the utility model, and should not be read as restriction scope of the present utility model.It should be noted that the variation and the displacement of every and this embodiment equivalence all should be made as and be covered by in the category of the present utility model.Therefore, protection domain of the present utility model should with claims were defined is as the criterion.
Claims (10)
1. the transmission mechanism of bicycle of an electro permanent magnetic control speed change is characterized in that, comprises:
One passive fluted disc, its card are provided with the above ring tooth of a circle, and the place, axle center of card is combined with a permanent seat;
One transmission shaft, its end rotary shape is combined in the permanent seat of this passive fluted disc;
One driving gear, rotary shape are linked in the axle body of this transmission shaft, and with the engagement of the ring tooth of passive fluted disc, the front end of each driving gear is equipped with one by the driving section, and should is electromagnet by the driving section, is provided with anodal conductive part and negative pole conductive part around;
One electric installation comprises an anodal conducting rod and a negative pole conducting rod, is provided with a brush at anodal conducting rod and negative pole conducting rod respectively, and this brush contacts this driving gear respectively by the anodal conductive part of driving section and negative pole conductive part;
One engaging and disengaging gear, comprise a clutch discs and an elastic parts, this clutch discs is combined in the transmission shaft axle body of driving gear front end, and be combined into the state that to rotate synchronously and to endwisely slip with transmission shaft, this clutch discs is provided with a main gear portion to card that should the driving gear front end, this main gear portion can with combined by the driving section or break away from; And this elastic parts is combined between driving gear and the clutch discs, an end hold driving gear by the driving section, the other end holds the main gear portion in clutch discs.
2. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1, it is characterized in that wherein, the card that comprises this passive fluted disc is provided with the above ring tooth of two circles, the driving gear of axle body fit more than two of this transmission shaft rear end, each driving gear mesh with each circle ring tooth respectively; Two groups of above electric installations, the brush of each electric installation contacts the anodal conductive part and the negative pole conductive part of this driving gear respectively; And two groups of above engaging and disengaging gear, the clutch discs of each engaging and disengaging gear is combined in the transmission shaft axle body of driving gear front end, and each elastic parts is combined between driving gear and the clutch discs.
3. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1, it is characterized in that, wherein, driving gear be arranged with coil by inside, driving section, and be respectively equipped with this positive pole conductive part and negative pole conductive part around the driving section, this positive pole conductive part and negative pole conductive part are the annular arrangement copper sheet, electrically connect with coil respectively.
4. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1, it is characterized in that, wherein, the brush of this positive pole conducting rod and negative pole conducting rod is rotary metal matter runner, and each runner contacts this driving gear respectively by the anodal conductive part of driving section and negative pole conductive part.
5. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1, it is characterized in that, wherein, an end that comprises this positive pole conducting rod and negative pole conducting rod is connected with a power lead respectively, this power lead is connected with a battery, and battery is provided with the varying speed switch that an electric wire connects bicycle handle in addition.
6. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1, it is characterized in that, wherein, driving gear be provided with a plurality of trips that are arranged in ring-type by the driving section front end, be provided with coil around this trip, this coil and anodal conductive part and negative pole conductive part electrically connect, and the main gear portion of this clutch discs is a plurality of mortises that are arranged in ring-type.
7. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1 is characterized in that, wherein, driving gear be provided with a plurality of mortises that are arranged in ring-type by the driving section front end, the main gear portion of this clutch discs is a plurality of trips that are arranged in ring-type.
8. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1 is characterized in that wherein, permanent seat is circular pedestal, is provided with an axis hole in the side, and in conjunction with a bearing, the end of this transmission shaft is combined in this axis hole and bearing in this axis hole.
9. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1 is characterized in that wherein, engaging and disengaging gear also includes a baffle ring, and this baffle ring is combined in the axle body of transmission shaft, the axially movable limit travel of this baffle ring restriction clutch discs.
10. the transmission mechanism of bicycle of electro permanent magnetic control speed change according to claim 1 is characterized in that wherein, the ring tooth of passive fluted disc is the umbrella tooth, and this driving gear is a bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201564985U CN201472610U (en) | 2009-07-03 | 2009-07-03 | Electromagnetic controlled variable speed bicycle transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201564985U CN201472610U (en) | 2009-07-03 | 2009-07-03 | Electromagnetic controlled variable speed bicycle transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201472610U true CN201472610U (en) | 2010-05-19 |
Family
ID=42408855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201564985U Expired - Fee Related CN201472610U (en) | 2009-07-03 | 2009-07-03 | Electromagnetic controlled variable speed bicycle transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201472610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554681A (en) * | 2017-08-30 | 2018-01-09 | 倍能科技（广州）有限公司 | A kind of speed changer and bicycle |
| US10894577B2 (en) | 2018-03-27 | 2021-01-19 | Ceramicspeed Sport A/S | Bicycle drive system |
-
2009
- 2009-07-03 CN CN2009201564985U patent/CN201472610U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554681A (en) * | 2017-08-30 | 2018-01-09 | 倍能科技（广州）有限公司 | A kind of speed changer and bicycle |
| CN107554681B (en) * | 2017-08-30 | 2023-08-29 | 宁波恒隆车业有限公司 | Transmission and bicycle |
| US10894577B2 (en) | 2018-03-27 | 2021-01-19 | Ceramicspeed Sport A/S | Bicycle drive system |
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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: 20100519 Termination date: 20110703 |