CN210681050U - Bicycle speed changing device and speed changing bicycle - Google Patents
Bicycle speed changing device and speed changing bicycle Download PDFInfo
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- CN210681050U CN210681050U CN201921721523.XU CN201921721523U CN210681050U CN 210681050 U CN210681050 U CN 210681050U CN 201921721523 U CN201921721523 U CN 201921721523U CN 210681050 U CN210681050 U CN 210681050U
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Abstract
The utility model relates to a bicycle speed change gear, variable speed bicycle, include: speed detection mechanism: for mounting on a spoke of a rear wheel of a bicycle; an inclination angle sensor: the bicycle frame is fixedly connected with a bicycle frame; a rear pulling mechanism: the bicycle comprises a fixed rod which is used for being rotationally connected with a frame part at the rear wheel of a bicycle, a driving mechanism is fixed on the fixed rod, the fixed rod is connected with one end of an elastic piece, the other end of the elastic piece is used for being connected with the frame at the rear wheel of the bicycle, the driving mechanism is connected with a swing rod, the swing rod is fixedly connected with an intermediate shaft, the intermediate shaft is rotationally connected with a first fluted disc, and a chain of the bicycle can be wound on the first fluted disc; a controller: a person is used for fixing on the frame of bicycle, is connected with speed detection device, inclination sensor and actuating mechanism, uses the utility model discloses a speed change gear person of riding experiences well.
Description
Technical Field
The utility model relates to a bicycle technical field, concretely relates to bicycle speed change gear, variable speed bicycle and method.
Background
The speed-changing bicycle is provided with a speed-changing device, the speed-changing device is used for changing the matching ratio of a chain and different front and rear gear discs to change the speed of the bicycle, the size of the front gear disc and the size of the rear gear disc determine the force of the bicycle when the pedal is rotated, the larger the front gear disc is, the smaller the rear gear disc is, the harder the pedal is, the smaller the front gear disc is, the larger the rear gear disc is, the easier the pedal is, the bicycle can be adjusted in speed by adjusting the sizes of the front and rear gear discs according to different rider abilities, or the speed-changing device can be used for different road sections and road conditions.
The inventor finds that the speed change device of the existing variable speed slave vehicle is changed by the rider, the operation is inconvenient, and particularly when the variable speed bicycle is just started to be used, the proper transmission ratio of the front fluted disc and the rear fluted disc cannot be reached according to road conditions, so that the riding experience is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a bicycle speed change gear, can be according to the speed of a motor vehicle and the road conditions automatic transmission ratio of fluted disc around changing, ride and experience well.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bicycle shifting device, comprising:
speed detection mechanism: the device is used for being mounted on a spoke of a rear wheel of a bicycle and can detect the rotating speed of the rear wheel of the bicycle.
An inclination angle sensor: the bicycle inclination angle detection device is used for being fixedly connected with a frame of a bicycle and can detect the inclination angle of the bicycle.
A rear pulling mechanism: including being used for the dead lever of being connected with the frame part rotation of bicycle rear wheel department, the dead lever is fixed with actuating mechanism, the dead lever is connected with the one end of elastic component, the other end of elastic component is used for connecting the frame of bicycle rear wheel department, actuating mechanism is connected with the pendulum rod, pendulum rod and jackshaft fixed connection, the jackshaft rotates and is connected with first fluted disc, the chain of bicycle can the round trip first fluted disc, actuating mechanism can stir the chain through first fluted disc, realize the switching of chain on the different back fluted discs of bicycle.
A controller: the bicycle is used for being fixed on a frame of a bicycle, is connected with a speed detection device, an inclination angle sensor and a driving mechanism, can receive information detected by the speed detection device and the inclination angle sensor, and controls the driving mechanism to work.
Furthermore, one end of the intermediate shaft is fixedly connected with the swing rod, the other end of the intermediate shaft is fixedly connected with one end of the connecting rod, the other end of the connecting rod is rotatably connected with a second fluted disc, and a chain of the bicycle can be wound on the first fluted disc and the second fluted disc.
Further, the second toothed disc is disposed laterally below the first toothed disc.
Furthermore, the speed detection mechanism comprises a Hall sensor and a magnet, wherein the Hall sensor is used for being installed at the position of the frame of the rear wheel of the bicycle, and the magnet is used for being installed on the spoke of the rear wheel of the bicycle.
Furthermore, the driving mechanism adopts a steering engine, and an output shaft of the steering engine is fixedly connected with the oscillating rod and can drive the oscillating rod to oscillate.
Furthermore, the elastic part adopts a spring, one end of the spring is fixedly connected with the fixed rod, and the other end of the spring is fixedly connected with a frame at the rear wheel of the bicycle.
Further, bicycle speed change gear still includes solar charging panel and battery, the battery can with the frame fixed connection of bicycle, the battery top sets up solar charging panel, and solar charging panel is connected with the battery, can charge the battery with solar energy conversion for the electric energy, the battery is connected with the controller for supply power to the controller.
Further, the inclination angle sensor is fixed below the battery.
The utility model also discloses a variable speed bicycle, install bicycle speed change gear.
The utility model also discloses a variable speed bicycle's variable speed method:
the speed detection mechanism detects the current speed of a bicycle, the detected speed information is transmitted to the controller, the controller controls the driving mechanism to work according to the obtained speed information, the driving mechanism drives the swing arm to swing, the chain is stirred by the first fluted disc, and the chain is switched among different rear fluted discs at the rear wheel of the bicycle.
The inclination angle sensor detects the inclination angle information of the road surface where the bicycle is located at present, the detected inclination angle information is transmitted to the controller, the controller controls the driving mechanism to work according to the obtained inclination angle information, the driving mechanism drives the swing arm to swing, the chain is stirred by the first fluted disc, and the chain is switched among different rear fluted discs at the rear wheel of the bicycle.
The utility model has the advantages that:
1. the utility model discloses a bicycle speed change gear can utilize controller control actuating mechanism work according to the bicycle inclination information and the speed of a motor vehicle information that detect, and actuating mechanism drives the bicycle chain and switches on different back fluted discs, need not the manual work and switches, and is easy and simple to handle, ride and experience well.
2. The utility model discloses a bicycle speed change gear, dead lever can be connected through the frame part of elastic component with bicycle rear wheel department, can carry out the tensioning to the chain under the effect of elastic component after the chain switches, produce not hard up and cause the chain phenomenon of falling when having avoided the chain to switch different back fluted discs.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a view showing a transmission, a rear wheel and a frame assembly shaft according to embodiment 2 of the present invention;
fig. 2 is a schematic front view of the transmission assembly, the rear wheel and the frame according to embodiment 2 of the present invention;
fig. 3 is an enlarged schematic view of a point a in fig. 1 according to the present invention;
fig. 4 is an enlarged schematic view of fig. 2 according to the present invention;
the automobile rear wheel comprises a frame 1, a rear wheel 2, a rear fluted disc 3, a fixed rod 4, a spring 5, a steering engine 6, a swing rod 7, a first fluted disc 8, a connecting rod 9, a second fluted disc 10, a chain 11, a Basra control board 12, an 13.3144 Hall sensor 14, a magnet 15, an ADXL345 tilt angle sensor 16, a battery 17 and a solar panel.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Just as the introduction of background art, adopt artifical when current variable speed bicycle speed change to go on, ride and experience not good, to the above-mentioned problem, this application has proposed a bicycle speed change gear.
In example 1, a bicycle shifting device includes a speed sensing mechanism, a tilt sensor, a rear derailleur, and a controller.
The controller adopts a Basra control panel and is arranged on a frame at the rear wheel of the bicycle.
The speed detection mechanism comprises a Hall sensor and a magnet, the Hall sensor adopts a 3144 Hall sensor and is used for being installed on a frame at the rear wheel of the bicycle, and the magnet is used for being fixed on a spoke of the rear wheel of the bicycle. The 3144 Hall sensor is connected with the Basra control board and can transmit collected information to the Basra control board, when the magnet rotates for a circle along with the rear wheel of the bicycle, the 3144 Hall sensor can send corresponding signals to the Basra control board, and the speed of the bicycle can be obtained by the aid of the diameter of the rear wheel of the bicycle and the time of the rear wheel rotating for a circle.
The rear shifting mechanism comprises a fixed rod, one end of the fixed rod is used for being rotationally connected with a frame at the rear wheel of the bicycle, and the connecting position is positioned below the side of the rear wheel rotating shaft of the bicycle, the other end of the fixed rod is connected with the driving mechanism, the driving mechanism adopts a steering engine, the steering engine is connected with a Basra control panel and can receive the instruction of the Basra control panel to work, an output shaft of the steering engine is fixedly connected with one end of a swing rod 7, the other end of the swing rod is fixedly connected with one end of a middle shaft, the steering engine can drive the swing rod to swing, thereby driving the swinging of the intermediate shaft, the intermediate shaft is rotatably connected with a first fluted disc 8, the first fluted disc can be meshed with a chain of a bicycle and connected in a winding way, the steering engine can drive the swinging rod to swing, and then stir the chain of bicycle through first fluted disc, and then realize the switching of chain on the fluted disc behind the bicycle of difference.
The other end of the intermediate shaft is fixedly connected with one end of a connecting rod 9, the other end of the connecting rod is rotatably connected with a second toothed disc 10, and the second toothed disc can be meshed with a chain of a bicycle and is connected in a winding manner.
The second fluted disc sets up the side below at first fluted disc, and the second fluted disc can exert decurrent effort to the bicycle chain to prevent that the chain from breaking away from with first fluted disc.
The fixed rod is also fixedly connected with one end of the elastic piece, and the other end of the elastic piece is fixedly connected with a frame at the rear wheel of the bicycle.
The bicycle speed changing device further comprises a battery and a solar cell panel, wherein the battery is a 2500mAh5v rechargeable battery and can be fixedly arranged on a frame of the bicycle, the solar cell panel is arranged above the battery and is connected with the battery, solar energy can be converted into electric energy to charge the battery, and the battery is connected with the Basra control panel and can supply power to the Basra control panel.
The inclination angle sensor adopts an ADXL345 inclination angle sensor which can be fixedly arranged on a frame of a bicycle, and the ADXL345 inclination angle sensor is connected with a Basra control panel and can transmit collected inclination angle information of the bicycle to the Basra control panel.
Example 2:
the present embodiment discloses a speed-variable bicycle, as shown in fig. 1-4, comprising a bicycle body, said bicycle body comprises a frame 1, a front wheel, a rear wheel 2, pedals, a front chainring and three rear chainrings 3, and the structure and connection manner thereof are the same as the connection manner of the existing speed-variable bicycle, and will not be described in detail herein.
The side where the front wheel of the bicycle is located is defined as the front side, and the side where the rear wheel is located is defined as the rear side.
The bicycle speed changing device is characterized in that the bicycle body is provided with the bicycle speed changing device in the embodiment 1, specifically, the bottom end of a bicycle frame at the rear wheel is positioned below the rear side of a bicycle rear wheel rotating shaft, one end of a fixed rod 4 is rotatably connected with the bottom end of the bicycle frame at the rear wheel, one end of a spring 5 is fixedly connected with the fixed rod, and the other end of the spring is fixedly connected with the bicycle frame at the rear wheel. And a steering engine 6 is fixed at the other end of the fixed rod.
First fluted disc is located the front side below of rear wheel pivot, and the second fluted disc is located the rear side below of first fluted disc, but is located the front side below of rear wheel pivot, and chain 11 of bicycle is in proper order around connecing the front fluted disc, the rear fluted disc, first fluted disc and second fluted disc, form the annular chain return circuit, first fluted disc is walked around to the chain through first fluted disc upside and front side, the second fluted disc is walked around to the chain through the rear side and the downside of second fluted disc, the second fluted disc can exert decurrent effort to the chain, prevent that the chain from breaking away from on first fluted disc.
In this embodiment, the Basra control board 12 is fixed to the frame at the rear wheel position, the 3144 hall sensor 13 is fixed to the frame at the rear wheel position, the 3144 hall sensor is fixed to the side surface of the frame, the magnet 14 is fixed to the spoke of the rear wheel, and after the magnet passes through the 3144 hall sensor, the 3144 hall sensor can detect the signal that the magnet passes through.
In this embodiment, the frame is fixed with a battery support plate 18, one end of the battery support plate is fixedly connected with the frame, the battery support plate is fixedly connected with the battery 16, and the solar panel 17 is fixed on the upper surface of the battery and connected with the battery, so as to charge the battery.
The ADXL345 tilt sensor 15 is fixed on the bottom surface of the battery support plate.
In this embodiment, a waterproof cover is provided around the elements such as the Basra control board, 3144 hall sensor, and tilt sensor.
Example 3:
the embodiment discloses a speed changing method of a speed changing bicycle, which comprises the following steps: the speed range corresponding to the connection of the front fluted disc and the different rear fluted discs of the bicycle through the chain and the bicycle inclination angle range corresponding to the connection of the front fluted disc and the different rear fluted discs of the bicycle through the chain are preset in the Basra control panel.
In the riding process, when the bicycle runs on a flat or downhill road, the inclination angle value detected by the inclination angle sensor is within a set range, at the moment, the Basra control panel can only control the steering engine to work according to information collected by the 3144 Hall sensor, the 3144 Hall sensor and the magnet are used for obtaining the speed information of the bicycle and transmitting the speed information to the Basra control panel, the Basra control panel judges the range in which the collected speed information falls, then an instruction is sent to the steering engine, the steering engine drives the swing rod to swing for setting the angle, the swing rod drives the first fluted disc and the second fluted disc to move, the chain is shifted to the rear fluted disc of the corresponding bicycle, the rear fluted disc and the front fluted disc are enabled to have a proper transmission ratio, and riding personnel are enabled to have better riding.
In the riding process, when the bicycle runs on a road surface with a certain uphill slope, when the inclination angle value detected by the inclination angle sensor is within a set range, the steering engine can be controlled to work only according to the information detected by the inclination angle sensor by the Basra control panel at the moment, the inclination angle information of the bicycle is detected by the inclination angle sensor, the inclination angle range in which the inclination angle value falls is judged by the Basra control panel, then an instruction is sent to the steering engine, the chain is switched to the corresponding rear fluted disc by the steering engine, labor is saved when a riding person ascends the uphill slope, and the riding person has better riding experience.
In this embodiment, variable speed bicycle can carry out the switching of chain on the fluted disc behind the difference automatically according to speed of a motor vehicle information and inclination information, need not the personnel manual operation that rides, has better experience of riding.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (9)
1. A bicycle shifter, comprising:
speed detection mechanism: the device is used for being arranged on a spoke of a rear wheel of a bicycle and can detect the rotating speed of the rear wheel of the bicycle;
an inclination angle sensor: the device is used for being fixedly connected with a frame of a bicycle and can detect the inclination angle of the bicycle;
a rear pulling mechanism: the bicycle rear wheel driving mechanism comprises a fixed rod which is used for being rotationally connected with a frame part at the rear wheel of a bicycle, a driving mechanism is fixed on the fixed rod, the fixed rod is connected with one end of an elastic piece, the other end of the elastic piece is used for being connected with the frame at the rear wheel of the bicycle, the driving mechanism is connected with a swing rod, the swing rod is fixedly connected with an intermediate shaft, the intermediate shaft is rotationally connected with a first fluted disc, a chain of the bicycle can be wound with the first fluted disc, and the driving mechanism can stir the chain through the first fluted disc to realize the switching of the;
a controller: the bicycle is used for being fixed on a frame of a bicycle, is connected with a speed detection device, an inclination angle sensor and a driving mechanism, can receive information detected by the speed detection device and the inclination angle sensor, and controls the driving mechanism to work.
2. The bicycle shifter of claim 1, wherein the intermediate shaft is fixedly coupled at one end to the rocker and at the other end to one end of a connecting rod, the other end of the connecting rod being rotatably coupled to a second chainring, the chain of the bicycle being capable of being wound around the first chainring and the second chainring.
3. The bicycle shifter of claim 2, wherein the second chainring is disposed laterally below the first chainring.
4. The bicycle shifter of claim 1, wherein the speed sensing mechanism includes a hall sensor for mounting at a rear wheel frame of the bicycle and a magnet for mounting on a rear wheel spoke of the bicycle.
5. The bicycle speed changing device as claimed in claim 1, wherein the driving mechanism is a steering engine, and an output shaft of the steering engine is fixedly connected with the swing rod and can drive the swing rod to swing.
6. The bicycle shifter of claim 1, wherein the resilient member is a spring having one end fixedly connected to the fixed lever and the other end for fixedly connecting to a frame at a rear wheel of the bicycle.
7. The bicycle transmission of claim 1, further comprising a solar charging panel and a battery, wherein the battery is fixedly connected to a frame of the bicycle, the solar charging panel is disposed above the battery, the solar charging panel is connected to the battery and can convert solar energy into electric energy to charge the battery, and the battery is connected to the controller and is used for supplying power to the controller.
8. The bicycle shifter of claim 7, wherein the tilt sensor is fixed below the battery.
9. A bicycle with a variable speed, characterized in that a bicycle transmission as claimed in any one of claims 1-8 is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721523.XU CN210681050U (en) | 2019-10-14 | 2019-10-14 | Bicycle speed changing device and speed changing bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721523.XU CN210681050U (en) | 2019-10-14 | 2019-10-14 | Bicycle speed changing device and speed changing bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210681050U true CN210681050U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721523.XU Expired - Fee Related CN210681050U (en) | 2019-10-14 | 2019-10-14 | Bicycle speed changing device and speed changing bicycle |
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| Country | Link |
|---|---|
| CN (1) | CN210681050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626457A (en) * | 2019-10-14 | 2019-12-31 | 山东农业工程学院 | Bicycle speed changing device, speed changing bicycle and method |
-
2019
- 2019-10-14 CN CN201921721523.XU patent/CN210681050U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626457A (en) * | 2019-10-14 | 2019-12-31 | 山东农业工程学院 | Bicycle speed changing device, speed changing bicycle and method |
| CN110626457B (en) * | 2019-10-14 | 2024-05-10 | 山东农业工程学院 | Bicycle speed changing device, speed changing bicycle and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200605 Termination date: 20211014 |