CN104859783A - Transmission of bicycle - Google Patents
Transmission of bicycle Download PDFInfo
- Publication number
- CN104859783A CN104859783A CN201410065781.2A CN201410065781A CN104859783A CN 104859783 A CN104859783 A CN 104859783A CN 201410065781 A CN201410065781 A CN 201410065781A CN 104859783 A CN104859783 A CN 104859783A
- Authority
- CN
- China
- Prior art keywords
- bicycle
- shaft member
- permanent seat
- actuating arm
- action base
- 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.)
- Pending
Links
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
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
Abstract
The invention provides a transmission of a bicycle. The transmission of the bicycle comprises a bicycle frame fixing base, a drive source, a linkage assembly and a guide chain frame, wherein the drive source is provided with a drive arm; the linkage assembly is provided with a first linkage base and a second linkage base, the top end of the first linkage base is in pivot connection with the bicycle frame fixing base through a first shaft part and extends outwards to form a first branch arm, the tail end of the branch arm is in pivot connection with the drive arm through a second shaft part, and the top end of the second linkage base is in pivot connection with the bicycle frame fixing base through a third shaft part; the guide chain frame is in pivot connection with the bottom end of the first linkage base through a fourth shaft part and in pivot connection with the bottom end of the second linkage base through a fifth shaft part, so that the guide chain frame can be driven by the first and second linkage bases to change positions. Accordingly, the transmission of the bicycle can reduce loads of the drive source, and the service life is prolonged.
Description
Technical field
The present invention is relevant with bicycle, espespecially a kind of change-speed box of bicycle.
Background technology
In order to different road conditions can be dealt with; bicycle can be equipped with a Front Derailleur and a Rear Derailleur usually; Front Derailleur is mainly arranged in pairs or groups large fluted disc, and Rear Derailleur is then be installed together with sprocket wheel, so namely reaches speed changing effect by the gear ratio changed between large fluted disc and sprocket wheel.
With regard to prior art, if France's No. 258079 Patent Case drives two armed levers be parallel to each other by motor, make this two armed lever jointly drive chain guides, reach speed changing effect to change the position of chain guides.But in aforementioned existing Patent Case, motor needs to export sizable torque could drive this two armed levers start smoothly, so under permanent use, be easy to cause the load of motor excessive and et out of order, it can thus be appreciated that aforementioned existing Patent Case has the problem that durability is not good enough and service life is short.
Summary of the invention
Main purpose of the present invention is the change-speed box providing a kind of bicycle, and it can alleviate the load of drive source, to improve durability and to increase the service life.
In order to reach aforementioned object, change-speed box of the present invention includes a vehicle frame permanent seat, a drive source, a linked component, and chain guides.This drive source has an actuating arm; This linked component has one first continous action base and one second continous action base, the top of this first continous action base is by this vehicle frame permanent seat of one first shaft member pivot joint, a support arm is extended on the top of this first continous action base outward, the end of this support arm passes through one end of one second this actuating arm of shaft member pivot joint, make this first continous action base by the driving of this actuating arm this vehicle frame permanent seat pivotable relatively, the top of this second continous action base is by one the 3rd this vehicle frame permanent seat of shaft member pivot joint; These chain guides are by the bottom of one the 4th this first continous action base of shaft member pivot joint, and by the bottom of one the 5th this second continous action base of shaft member pivot joint, make these chain guides can be subject to the drive of this first, second continous action base and shift one's position, so can be issued to speed changing effect in the situation alleviating this drive source load.
Preferably, this drive source also has a mount pad and a motor, and this mount pad is fixed on this vehicle frame permanent seat, and this motor to be located in this mount pad and to be had an output shaft, this output shaft connects one end of this actuating arm, and this actuating arm can be driven by the power of this motor.
Preferably, also include a gear sensing device, this gear sensing device has a Hall element and a magnet, a Hall element is provided with in this mount pad, one side of this actuating arm is connected with a magnetic receiver, be provided with a magnet in this magnetic receiver, this magnet corresponds to this Hall element, so can sense speed change gear.
Preferably, this drive source also has a shift cable permanent seat and a shift cable, this shift cable permanent seat is fixed on the lateral surface of this actuating arm, this shift cable permanent seat is fixed in one end of this shift cable, this vehicle frame permanent seat of one end pivot joint of this actuating arm, make this actuating arm can drive by the pulling force of this shift cable.
Preferably, this linked component also has an extension spring, and the two ends difference hook joint of this extension spring is in the 3rd shaft member and the 4th shaft member.
Preferably, this linked component also has a torque spring, and this torque spring is sheathed on the 3rd shaft member, and the two ends of this torque spring are connected to this vehicle frame permanent seat and this second continous action base respectively.
Preferably, the medial surface of this actuating arm has a guide groove, and this second shaft member is arranged with a bearing, and this bearing is rollably located in this guide groove, this actuating arm can be stablized and drive this first continous action base swimmingly.
Accompanying drawing explanation
Fig. 1 is the block diagram of the present invention the 1st embodiment.
Fig. 2 is the planar view of the present invention the 1st embodiment.
Fig. 3 is another planar view of the present invention the 1st embodiment, the state of main display chain guides after shifting one's position.
Fig. 4 is the block diagram of the present invention the 2nd embodiment.
Fig. 5 is the planar view of the present invention the 2nd embodiment.
Fig. 6 is another planar view of the present invention the 2nd embodiment, the state of main display chain guides after shifting one's position.
Fig. 7 is the block diagram of the present invention the 3rd embodiment.
Fig. 8 is the planar view of the present invention the 3rd embodiment.
Fig. 9 is another planar view of the present invention the 3rd embodiment, the state of main display chain guides after shifting one's position.
Figure 10 is the block diagram of the present invention the 4th embodiment.
Figure 11 is the planar view of the present invention the 4th embodiment.
Figure 12 is another planar view of the present invention the 4th embodiment, the state of main display chain guides after shifting one's position.
[nomenclature]
" the 1st embodiment "
10 change-speed box 20 vehicle frame permanent seats
30 drive source 32 mount pads
34 motor 342 output shafts
36 actuating arm 362 guide grooves
40 linked component 41 first continous action bases
42 support arm 43 bearings
44 second continous action base P1 first shaft member
P2 second shaft member P3 the 3rd shaft member
P4 the 4th shaft member P5 the 5th shaft member
50 chain guides 60 gear sensing device
62 Hall element 64 magnet
66 magnetic receivers
" the 2nd embodiment "
12 change-speed box 22 vehicle frame permanent seats
45 torque spring 70 drive sources
72 actuating arm 722 guide grooves
74 shift cable permanent seat 76 shift cable
" the 3rd embodiment "
14 change-speed box 52 chain guides
80 linked component 81 first continous action bases
82 second continous action bases
" the 4th embodiment "
16 change-speed box 83 extension springs
Detailed description of the invention
Refer to Fig. 1 and Fig. 2, the change-speed box 10 of the present invention the 1st embodiment mainly carries out driving in electronic mode and coordinates a large fluted disc (not shown) of bicycle to use.The change-speed box 10 of the present embodiment includes vehicle frame permanent seat 20, drive source 30, linked component 40, and chain guides 50.
Vehicle frame permanent seat 20 is arranged on a vehicle frame (not shown) of bicycle, in order to as main support structure.
Drive source 30 has mount pad 32, motor 34 in the present embodiment, and an actuating arm 36.Mount pad 32 is fixed on the end face of vehicle frame permanent seat 20, motor 34 to be installed in mount pad 32 and to have the output shaft 342 stretched out outside mount pad 32, the top of actuating arm 36 is connected to the output shaft 342 of motor 34, make actuating arm 36 by the driving of the output shaft 342 of motor 34 pivotable, in addition, the medial surface of the bottom of actuating arm 36 has a guide groove 362.
Linked component 40 has one first continous action base 41, the top of the first continous action base 41 is by one first shaft member P1 pivot joint vehicle frame permanent seat 20, and, a support arm 42 is extended on the top of the first continous action base 41 outward, the end of support arm 42 is equipped with one second shaft member P2, second shaft member P2 is arranged with a bearing 43, and bearing 43 is rollably located in the guide groove 362 of actuating arm 36, makes to form pivot joint between the support arm 42 of the first continous action base 41 and actuating arm 36.In addition, linked component 40 has the top of one second continous action base 44, second continous action base 44 by one the 3rd shaft member P3 pivot joint vehicle frame permanent seat 20.
Chain guides 50 by the bottom of one the 4th shaft member P4 pivot joint first continous action base 41, and pass through the bottom of one the 5th shaft member P5 pivot joint second continous action base 44.
Known via said structure, when motor 34 starts outputting power, as shown in Figures 2 and 3, the output shaft 342 of motor 34 can drive actuating arm 36 pivotable, then actuating arm 36 can be located at the bearing 43 of the second shaft member P2 by a wherein end wall pushing set of guide groove 362, make the first continous action base 41 relative frame permanent seat 20 pivotable, and in the process of pivotable, drive chain guides 50 to shift one's position, the second continous action base 44 relative frame permanent seat 20 pivotable can be driven again in the process of chain guides 50 start, so can reach speed changing effect.
On the other hand, in order to correct speed change gear can be obtained under power-actuated pattern, change-speed box 10 of the present invention also includes a gear sensing device 60, as shown in Figure 2, gear sensing device 60 has Hall element 62 and a magnet 64, Hall element 62 is located in mount pad 32, and magnet 64 to be located in a magnetic receiver 66 and to be corresponded to Hall element 62, and one end of magnetic receiver 66 is connected to a side of actuating arm 36.Thus, magnet 64 can be driven when actuating arm 36 pivotable to rotate relative to Hall element 62 simultaneously, make Hall element 62 transmit gear sensing signal to controller (not shown) by the change in magnetic field and carry out interpretation.
Referring again to Fig. 4 and Fig. 5, be the change-speed box 12 of the present invention the 2nd embodiment, the change-speed box 12 of the present embodiment is almost identical on structural allocation with aforementioned 1st embodiment, and topmost difference is that used drive source is different.
In the present embodiment, drive source 70 has actuating arm 72, shift cable permanent seat 74, and a shift cable 76, the top of actuating arm 72 is articulated in vehicle frame permanent seat 22, the medial surface of the bottom of actuating arm 72 has a guide groove 722, guide groove 722 is placed on the bearing 43 of the support arm 42 of the first continous action base 41, and shift cable permanent seat 74 is fixed on the lateral surface of actuating arm 72, and shift cable permanent seat 74 is fixed in one end of shift cable 76.
In addition, linked component 40 has more a torque spring 45, and torque spring 45 is sheathed on the 3rd shaft member P3 and is connected to vehicle frame permanent seat 22 and the second continous action base 44 respectively with its two ends, in order to provide response force to the second continous action base 44.
Thus, when pulling shift cable 76, as shown in Figures 5 and 6, shift cable 76 can drive actuating arm 72 pivotable, then actuating arm 72 can be located at the bearing 43 of the second shaft member P2 by a wherein end wall pushing set of guide groove 362, makes the first continous action base 41 relative frame permanent seat 22 pivotable, and in the process of pivotable, drives chain guides 50 to shift one's position, the second continous action base 44 relative frame permanent seat 22 pivotable can be driven again in the process of chain guides 50 start, so can reach speed changing effect.When the pulling force of shift cable 76 is bestowed in release, the second continous action base 44 can be subject to the back stretch of torque spring 45 and promote chain guides 50, and chain guides 50 are shifted one's position once again.
Refer to Fig. 7 to Fig. 9, for the change-speed box 14 of the present invention the 3rd embodiment, the change-speed box 14 of the present embodiment is identical on structural allocation with aforementioned 1st embodiment, topmost difference is that chain guides 52 are that after coordinating one of bicycle, sprocket wheel uses, but in order to coordinate the installation between rear sprocket wheel, in the present embodiment, the actuating arm 36 of drive source 30, first of linked component 80, second continous action base 81, 82, and chain guides 52 are stated the 1st embodiment and are had a little difference in structure aspect in front of meeting, but functionally do not change to some extent, therefore, in order to save space, the course of action repeating no more the present embodiment is held at this.
Last referring again to Figure 10 to Figure 12, for the change-speed box 16 of the present invention the 4th embodiment, the change-speed box 16 of the present embodiment is also coordinate rear sprocket wheel and adopt the structural allocation almost identical with aforementioned 3rd embodiment, but be that the present embodiment drives in a manual manner with the Main Differences of aforementioned 3rd embodiment, the drive source 70 identical with aforementioned 2nd embodiment is namely adopted (to be also actuating arm 72, the collocation of speed change permanent seat 74 and shift cable 76), because the driving process of manual mode discloses in aforementioned 2nd embodiment, in order to save space, repeat no more in this appearance.
In addition, the linked component 80 of the present embodiment is the torque spring 45 replacing aforementioned 2nd embodiment with extension spring 83, the two ends difference hook joint of extension spring 83, in the 3rd shaft member P3 and the 4th shaft member P4, drives chain guides 52 to shift one's position in order to provide response force when discharging shift cable 76 to first, second continous action base 81,82.
To sum up institute is old, and change-speed box of the present invention can coordinate large fluted disc or rear sprocket wheel to use according to actual needs, alleviates the load of drive source in use again, improve overall durability and the object increased the service life to reach through the start of actuating arm.
Claims (7)
1. a change-speed box for bicycle, is characterized in that including:
One vehicle frame permanent seat;
One drive source, has an actuating arm;
One linked component, there is one first continous action base and one second continous action base, the top of this first continous action base is by this vehicle frame permanent seat of one first shaft member pivot joint, a support arm is extended on the top of this first continous action base outward, the end of this support arm is by one second this actuating arm of shaft member pivot joint, and the top of this second continous action base is by one the 3rd this vehicle frame permanent seat of shaft member pivot joint; And
One chain guides, by the bottom of one the 4th this first continous action base of shaft member pivot joint, and pass through the bottom of one the 5th this second continous action base of shaft member pivot joint.
2. the change-speed box of bicycle as claimed in claim 1, it is characterized in that, this drive source also has a mount pad and a motor, and this mount pad is fixed on this vehicle frame permanent seat, this motor to be located in this mount pad and to be had an output shaft, and this output shaft connects one end of this actuating arm.
3. the change-speed box of bicycle as claimed in claim 2, it is characterized in that, also include a gear sensing device, this gear sensing device has a Hall element and a magnet, this Hall element is located in this mount pad, this magnet to be located in a magnetic receiver and to be corresponded to this Hall element, and this magnetic receiver is connected to a side of this actuating arm.
4. the change-speed box of bicycle as claimed in claim 1, it is characterized in that, this vehicle frame permanent seat of one end pivot joint of this actuating arm, this drive source also has a shift cable permanent seat and a shift cable, this shift cable permanent seat is fixed on the lateral surface of this actuating arm, and this shift cable permanent seat is fixed in one end of this shift cable.
5. the change-speed box of bicycle as claimed in claim 4, it is characterized in that, this linked component also has an extension spring, and the two ends difference hook joint of this extension spring is in the 3rd shaft member and the 4th shaft member.
6. the change-speed box of bicycle as claimed in claim 4, it is characterized in that, this linked component also has a torque spring, and this torque spring is sheathed on the 3rd shaft member, and the two ends of this torque spring are connected to this vehicle frame permanent seat and this second continous action base respectively.
7. the change-speed box of bicycle as claimed in claim 1, it is characterized in that, the medial surface of this actuating arm has a guide groove, and this second shaft member is arranged with a bearing, and this bearing can be rollably located in this guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065781.2A CN104859783A (en) | 2014-02-26 | 2014-02-26 | Transmission of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065781.2A CN104859783A (en) | 2014-02-26 | 2014-02-26 | Transmission of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104859783A true CN104859783A (en) | 2015-08-26 |
Family
ID=53906064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410065781.2A Pending CN104859783A (en) | 2014-02-26 | 2014-02-26 | Transmission of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104859783A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416118A (en) * | 2016-05-04 | 2017-12-01 | 坎培诺洛有限公司 | The actuator devices of bicycle gearshift and corresponding bicycle gearshift |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362522A (en) * | 1978-12-04 | 1982-12-07 | Huret Roger H M | Derailleur for a chainwheel assembly for a bicycle |
| EP1031504A2 (en) * | 1999-02-26 | 2000-08-30 | Shimano (Singapore) Pte. Ltd. | Front derailleur for a bicycle |
| CN1663875A (en) * | 2004-02-27 | 2005-09-07 | 株式会社岛野 | Electric derailleur motor unit |
| CN1821014A (en) * | 2005-02-18 | 2006-08-23 | 株式会社岛野 | Motorized bicycle derailleur assembly |
| EP1818254A2 (en) * | 2006-02-01 | 2007-08-15 | Shimano Inc. | Bicycle front derailleur |
-
2014
- 2014-02-26 CN CN201410065781.2A patent/CN104859783A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362522A (en) * | 1978-12-04 | 1982-12-07 | Huret Roger H M | Derailleur for a chainwheel assembly for a bicycle |
| EP1031504A2 (en) * | 1999-02-26 | 2000-08-30 | Shimano (Singapore) Pte. Ltd. | Front derailleur for a bicycle |
| CN1663875A (en) * | 2004-02-27 | 2005-09-07 | 株式会社岛野 | Electric derailleur motor unit |
| CN1821014A (en) * | 2005-02-18 | 2006-08-23 | 株式会社岛野 | Motorized bicycle derailleur assembly |
| EP1818254A2 (en) * | 2006-02-01 | 2007-08-15 | Shimano Inc. | Bicycle front derailleur |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416118A (en) * | 2016-05-04 | 2017-12-01 | 坎培诺洛有限公司 | The actuator devices of bicycle gearshift and corresponding bicycle gearshift |
| CN107416118B (en) * | 2016-05-04 | 2020-12-18 | 坎培诺洛有限公司 | Actuator device for a bicycle gearshift and corresponding bicycle gearshift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150826 |