CN205769956U - A kind of bicycle buncher - Google Patents
A kind of bicycle buncher Download PDFInfo
- Publication number
- CN205769956U CN205769956U CN201620682419.4U CN201620682419U CN205769956U CN 205769956 U CN205769956 U CN 205769956U CN 201620682419 U CN201620682419 U CN 201620682419U CN 205769956 U CN205769956 U CN 205769956U
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- China
- Prior art keywords
- driven pulley
- dynamic
- pulley
- rotating disk
- rocking bar
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Abstract
This utility model provides a kind of bicycle buncher, including driving pulley, determines driven pulley, dynamic driven pulley, transmission band, driving shaft, fixed pin shaft, tensioner apparatus, adjusting means, control device and steel wire rope；Driving pulley is fixing with driving shaft to be connected；Determine driven pulley and dynamic driven pulley is slidably socketed with fixed pin shaft, determine driven pulley the most tapered with dynamic driven pulley；Transmission band is v-shaped belt, the gradient of transmission band both sides is equal with the conical surface gradient determining driven pulley and dynamic driven pulley, transmission band is set around driving pulley and determines on driven pulley and dynamic driven pulley, fits with the conical surface determining driven pulley and dynamic driven pulley respectively in its two sides；Tensioner apparatus is located at driving pulley and determines between driven pulley, with transmission band elasticity solderless wrapped connection；Adjusting means is installed on fixed pin shaft, is connected with the lateral surface of dynamic driven pulley；Control device to be connected with adjusting means by steel wire rope.This utility model realizes infinitely variable speeds.
Description
Technical field
This utility model relates to actuating device field, is specifically related to a kind of bicycle buncher.
Background technology
The actuating device of bicycle typically uses Chain conveyer, has reliability height, the simple advantage of drive mechanism.In recent years
Popular bicycle mostly has finger and dials speed changing function, it is simple to adapt to bicyclist and the power transmission of different road conditions of all ages and classes
Needing, the gear figure place of more high-grade bicycle is more.
But for Chain conveyer, the change of gear needs multiple sprocket wheels to coordinate, and general finger dials speed change has 5-7 shelves to become
Speed, then in requisition for 5-7 sprocket wheel cooperating, substantially increase the complexity of variable ratio drive system.And the regulation of gear
It is one-level one-level transition, produces the rough problem of transition.And the regulation of gear just completes after operation for several seconds, reaction
Time is slow.And variator is to realize regulation by steel wire, the steel wire degree of tightness location regulation of many gears is more difficult, for a long time
Gradually fluff after using prolongation due to steel wire, is easy for the situation that the regulation of some gear is malfunctioning occur.
Being not difficult to find out, prior art there is also certain defect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of bicycle buncher, it is achieved infinitely variable speeds.
For achieving the above object, this utility model is by the following technical solutions:
A kind of bicycle buncher, including driving pulley, determine driven pulley, moves driven pulley, transmission band, actively
Axle, fixed pin shaft, tensioner apparatus, adjusting means, control device and steel wire rope；Driving pulley is fixing with driving shaft to be connected；Fixed
Driven pulley and dynamic driven pulley are slidably socketed with fixed pin shaft, determine driven pulley the most tapered with dynamic driven pulley, and the conical surface
Mirror relatively is to setting；Transmission band is v-shaped belt, the gradient of transmission band both sides with determine driven pulley and the conical surface of dynamic driven pulley
Gradient is equal, and transmission band is set around driving pulley and determines on driven pulley and dynamic driven pulley, and its two sides are respectively with the most driven
The conical surface laminating of belt wheel and dynamic driven pulley；Tensioner apparatus is located at driving pulley and determines between driven pulley, with transmission band bullet
Property solderless wrapped connection；Adjusting means is installed on fixed pin shaft, is connected with the lateral surface of dynamic driven pulley；Control device by steel wire rope with
Adjusting means connects.
Further, described adjusting means includes rocking bar, thrust bearing, rope clamp and end cap；The movable end of rocking bar is provided with spiral shell
Pit, the fixing end of rocking bar is rounded and is provided with connecting hole, is provided with female thread in connecting hole, and fixed pin shaft is provided with external screw thread,
The connecting hole of rocking bar is sheathed on fixed pin shaft, and female thread cooperates with external screw thread；The medial surface of rocking bar is right against dynamic driven
The lateral surface of belt wheel, the lateral surface of dynamic driven pulley is provided with boss, and the medial surface of rocking bar is convex with dynamic driven pulley lateral surface
Support between platform and be provided with thrust bearing；End cap is installed on the end of fixed pin shaft, is packaged in the lateral surface of rocking bar；Rope clamp is installed on and shakes
The movable end of bar, is fastened on screwed hole by screw, the end of clamping steel wire rope between rope clamp and the movable end of rocking bar.
Further, described control device includes shell, plectrum, SR, back-moving spring, rotating disk and locking jaw；Dial
Sheet is fixing with the card of rotating disk to be connected, and the bottom of rotating disk is provided with a cylindrical cylinder, and the end of steel wire rope is fixing to be set around
The surface of cylinder, rotating disk is located at enclosure and is rotatably connected with shell around center, and plectrum exposes to outside shell；Locking jaw is pacified
Being loaded on the edge CONTACT WITH FRICTION of enclosure and its head and rotating disk, the middle part of locking jaw is provided with centre bore and rotates even with shell
Connect, and center of rotation and the outer peripheral distance of rotating disk are less than the distance between locking jaw head to centre bore, make the head of locking jaw
Portion can unidirectional swing and reverse self-locking；Locking jaw is fitted by the border elastic of back-moving spring with rotating disk；SR and locking
The afterbody of pawl connects and exposes to outside shell.
Further, the outward flange of described rotating disk is provided with rubber ring, and the head of described locking jaw is provided with brake pad.
Further, the gradient of the described conical surface determining driven pulley and dynamic driven pulley is 10 °～15 °.
Further, the roughness of the described conical surface determining driven pulley and dynamic driven pulley is 1.6 or 3.2.
Further, described tensioner apparatus includes the first regulating wheel, the second regulating wheel and elastic support；First regulating wheel
Being rotationally fixed to determine below driven pulley, fixing end and first regulating wheel of elastic support are coaxially disposed, elastic support around
First regulating wheel can be arranged by elastics wing, and the movable end of elastic support is rotatable is provided with the second regulating wheel；Transmission band is set around
The outward flange of two regulating wheels and the inward flange of the first regulating wheel.
A kind of bicycle buncher provided by the utility model, has the advantage that
Realizing stepless shift function, speed change seamlessly transits, and response time is fast；
Reduce number of components, simplify overall structure, save overall volume and weight；
Owing to there is not gear concept, steel wire positions without accurate adjusting elasticity, it is only necessary to ensure that steel wire is periodically strained i.e.
Can；
Easy to operate, reliability is high, produces good cycling and experiences, and cheap, wide application.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of this utility model bicycle buncher.
Fig. 2 is the structural representation of adjusting means.
Fig. 3 is the structural representation controlling device.
Description of reference numerals:
1, driving pulley 2, determine driven pulley
3, dynamic driven pulley 4, transmission band
5, tensioner apparatus 6, adjusting means
7, rocking bar 8, thrust bearing
9, end cap 10, shell
11, SR 12, back-moving spring
13, locking jaw 14, rotating disk
15, plectrum
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Type embodiment and accompanying drawing, be clearly and completely described the technical scheme in this utility model embodiment.Need explanation
It is that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.New based on this practicality
Embodiment in type, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of this utility model protection.
Embodiment
Refer to Fig. 1, the utility model discloses a kind of bicycle buncher, including driving pulley 1, determine driven belt
Wheel 2, dynamic driven pulley 3, transmission band 4, driving shaft, fixed pin shaft, tensioner apparatus 5, adjusting means 6, control device and steel wire
Rope；Driving pulley 1 is fixing with driving shaft to be connected；Determine driven pulley 2 and dynamic driven pulley 3 be slidably socketed with fixed pin shaft, fixed from
Movable belt pulley 2 is the most tapered with dynamic driven pulley 3, and the conical surface relative to mirror to setting；Transmission band 4 is v-shaped belt 4,4 liang of transmission band
The gradient of side is equal with the conical surface gradient determining driven pulley 2 and dynamic driven pulley 3, transmission band 4 be set around driving pulley 1 with fixed from
On movable belt pulley 2 and dynamic driven pulley 3, fit with the conical surface determining driven pulley 2 and dynamic driven pulley 3 respectively in its two sides；Tensioning
Wheel apparatus 5 is located at driving pulley 1 and determines between driven pulley 2, solderless wrapped connection elastic with transmission band 4；Adjusting means 6 is installed on steady pin
On axle, it is connected with the lateral surface of dynamic driven pulley 3；Control device to be connected with adjusting means 6 by steel wire rope.
The principle of frictional drive that what buncher utilized is rather than multiple sprocket wheel divide the former of transmission grade by gear
Reason.If infinitely variable speeds to be realized, need countless multiple sprocket wheel for transmission or belt wheel in theory.This utility model is to carry
Wheel is designed as taper, when transmission band 4 just produces different gear ratios on the different radii be connected on the conical surface, thus realizes stepless change
Speed transmission.
Controlling device to be used for controlling to adjust device 6, after adjusting means 6 produces corresponding actions, dynamic driven pulley 3 will axle
To movement, thus change the spacing determining between driven pulley 2 and dynamic driven pulley 3.Due to transmission band 4 is V-type transmission band
4, its cross section is really in isosceles trapezoid, and when dynamic driven pulley 3 is close to determining driven pulley 2, spacing between the two is more received
The narrowest, transmission band 4 will be forced to move to determining the external diameter that between driven pulley 2 and dynamic driven pulley 3, spacing is wider, then the completeest
The gear process that transmission band 4 transmission radius increases, the stepless reduction of gear ratio are become.Otherwise, then the transmission radius of transmission band 4
Reducing, gear ratio increases.And as preferably, the gradient of the described conical surface determining driven pulley 2 and dynamic driven pulley 3 be 10 °～
15°.The angle of conical surface gradient is big, is conducive to transmitting frictional force, and to dynamic driven pulley 3 axially to strut active force relatively big, but
Relatively, the stroke needed for speed change improves the most accordingly, in order to improve the convenience of variable speed operation, it is preferred to use 10 °～the cone of 15 °
Face gradient.As the most preferably, the roughness of the described conical surface determining driven pulley 2 and dynamic driven pulley 3 is 1.6 or 3.2,
Be conducive to improving coefficient of friction.It is constant velocity rotation during determining driven pulley 2 and dynamic driven pulley 3 actual transmission, Er Dingcong
Movable belt pulley 2 can be in transmission connection with needing the rotation wheel transmitting moment of torsion when transmission, belongs to external device (ED) owing to rotating wheel, saves at this
Go this structure.
Referring to Fig. 2, as preferably, described adjusting means 6 includes rocking bar 7, thrust bearing 8, rope clamp and end cap 9；Rocking bar 7
Movable end be provided with screwed hole, the fixing end of rocking bar 7 is rounded and is provided with connecting hole, is provided with female thread, steady pin in connecting hole
Axle is provided with external screw thread, and the connecting hole of rocking bar 7 is sheathed on fixed pin shaft, and female thread cooperates with external screw thread；Rocking bar 7 interior
Side is right against the lateral surface of dynamic driven pulley 3, and the lateral surface of dynamic driven pulley 3 is provided with boss, and the medial surface of rocking bar 7 is with dynamic
Support between the boss of driven pulley 3 lateral surface and be provided with thrust bearing 8；End cap 9 is installed on the end of fixed pin shaft, is packaged in rocking bar
The lateral surface of 7；Rope clamp is installed on the movable end of rocking bar 7, is fastened on screwed hole by screw, rope clamp and the activity of rocking bar 7
The end of clamping steel wire rope between end.
The operation principle of adjusting means 6 is to utilize steel wire rope to pull rocking bar 7 to swing, and makes rocking bar 7 rotate around fixing end, then
Screw thread in connecting hole just plays a role, and makes rocking bar 7 produce and moves axially, and promotes dynamic driven pulley 3 to move by thrust bearing 8
Dynamic.Thrust bearing 8 has ensured that dynamic driven pulley 3 will not be obstructed because of frictional force when rotating simultaneously.If needing to regulate steel wire
Rope degree of tightness have only to unclamp rope clamp, pull tight steel wire rope re-tighten rope clamp fix.
Referring to Fig. 3, as preferably, described control device includes shell 10, plectrum 15, SR 11, back-moving spring
12, rotating disk 14 and locking jaw 13；The card of plectrum 15 and rotating disk 14 is fixing to be connected, the bottom of rotating disk 14 be provided with one cylindrical
Cylinder, the end of steel wire rope fixes the surface being set around cylinder, and it is internal and revolve with shell 10 around center that shell 10 is located at by rotating disk 14
Turning and connect, plectrum 15 exposes to outside shell 10；Locking jaw 13 is installed on the edge of shell 10 inside and its head and rotating disk 14
CONTACT WITH FRICTION, the middle part of locking jaw 13 is provided with centre bore and is rotatably connected with shell 10, and center of rotation is outer peripheral with rotating disk 14
Distance is less than the distance between locking jaw 13 head to centre bore, and the head making locking jaw 13 can unidirectional swing and reverse self-locking；
Locking jaw 13 is fitted by the border elastic of back-moving spring 12 with rotating disk 14；SR 11 be connected with the afterbody of locking jaw 13 and
Expose to outside shell 10.
In order to improve the convenience of control, the finger of the mode of operation and the bicycle speed-varying unit of current main flow that control device is dialled
Speed change is essentially identical.Rotating disk 14 just can be driven to rotate as long as stirring plectrum 15, then rotating disk 14 will be as hoist engine
Winding tightens up steel wire rope, thus drives adjusting means 6 action.Locking jaw 13 utilizes frictional force that rotating disk 14 is produced self-locking action,
As a example by Fig. 3, when bicyclist stirs rotating disk 14 counterclockwise, owing to locking jaw 13 can also rotate clockwise certain angle, therefore
When rotating disk 14 rotates counterclockwise, locking jaw 13 can unclamp automatically.But when unclamping plectrum 15, rotating disk 14 is at adjusting means 6 reset force
Effect under just create the trend rotated clockwise, now under the effect of frictional force, locking jaw 13 produce rotate counterclockwise
Trend, thus be further pressed against on the edge of rotating disk 14, increase frictional force in turn, therefore rotating disk 14 can only dialled
Under the drive of sheet 15, unidirectional self-lock counterclockwise rotates, and the rotation that can not reset clockwise.If needing rotating disk 14 to reset clockwise
Rotate, it is only necessary to press SR 11, drive locking jaw 13 to rotate clockwise and unclamp rotating disk 14, then rotating disk 14 will adjusted
Reset under the effect of regulating device 6 reset force rotation clockwise.
In order to improve the frictional force between rotating disk 14 and locking jaw 13 head further, improve self-locking effect, as preferably,
The outward flange of described rotating disk 14 is provided with rubber ring, and the head of described locking jaw 13 is provided with brake pad.
As preferably, described tensioner apparatus 5 includes the first regulating wheel, the second regulating wheel and elastic support；First tensioning
Wheel is rotationally fixed to determine below driven pulley 2, and fixing end and first regulating wheel of elastic support are coaxially disposed, elastic support
Can arrange by elastics wing around the first regulating wheel, the movable end of elastic support is rotatable is provided with the second regulating wheel；Transmission band 4 is set around
The outward flange of the second regulating wheel and the inward flange of the first regulating wheel.
Owing in speed-change process, transmission radius changes, required transmission band 4 length is actual can be different, in order to mend
Repay the change of length, need to arrange tensioner apparatus 5.First regulating wheel is fixed, and the second regulating wheel is at elastic support
Effect under with elastics wing, thus tensioning needs in various degree can be met.The tensioner apparatus 5 entirety to buncher
Operation stability important function again.
A kind of bicycle buncher provided by the utility model, it is achieved stepless shift function, speed change seamlessly transits,
Response time is fast.Relative to traditional Chain conveyer variator, this utility model greatly reduces number of components, it is not necessary to Duo Gelian
Wheel, simplifies overall structure, saves overall volume and weight.Owing to there is not gear concept, steel wire is fixed without accurate adjusting elasticity
Position, it is only necessary to ensureing that steel wire is periodically strained, the adjustment after bicycle assembles becomes simpler.Easy to operate, reliability is high,
Produce good cycling to experience, and cheap, wide application.
Embodiment described above only have expressed a kind of embodiment of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, common for this area
For technical staff, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (7)
1. a bicycle buncher, it is characterised in that: include driving pulley, determine driven pulley, dynamic driven pulley, transmission
Band, driving shaft, fixed pin shaft, tensioner apparatus, adjusting means, control device and steel wire rope；Driving pulley is fixed with driving shaft
Connect；Determine driven pulley and dynamic driven pulley be slidably socketed with fixed pin shaft, determine driven pulley the most tapered with dynamic driven pulley,
And the conical surface relative to mirror to setting；Transmission band is v-shaped belt, the gradient of transmission band both sides with determine driven pulley and dynamic driven pulley
Conical surface gradient equal, transmission band be set around driving pulley with determine on driven pulley and dynamic driven pulley, its two sides respectively with
Determine the conical surface laminating of driven pulley and dynamic driven pulley；Tensioner apparatus is located at driving pulley and determines between driven pulley, with biography
Dynamic band elasticity solderless wrapped connection；Adjusting means is installed on fixed pin shaft, is connected with the lateral surface of dynamic driven pulley；Control device and pass through steel
Cord is connected with adjusting means.
Bicycle buncher the most according to claim 1, it is characterised in that: described adjusting means includes rocking bar, pushes away
Power bearing, rope clamp and end cap；The movable end of rocking bar is provided with screwed hole, and the fixing end of rocking bar is rounded and is provided with connecting hole, connects
Being provided with female thread in hole, fixed pin shaft is provided with external screw thread, and the connecting hole of rocking bar is sheathed on fixed pin shaft, female thread and outer spiral shell
Stricture of vagina cooperates；The medial surface of rocking bar is right against the lateral surface of dynamic driven pulley, and the lateral surface of dynamic driven pulley is provided with boss,
Support between medial surface and the boss of dynamic driven pulley lateral surface of rocking bar and be provided with thrust bearing；End cap is installed on the end of fixed pin shaft
Portion, is packaged in the lateral surface of rocking bar；Rope clamp is installed on the movable end of rocking bar, is fastened on screwed hole by screw, rope clamp with
The end of clamping steel wire rope between the movable end of rocking bar.
Bicycle buncher the most according to claim 1, it is characterised in that: described control device includes shell, dials
Sheet, SR, back-moving spring, rotating disk and locking jaw；Plectrum is fixing with the card of rotating disk to be connected, and the bottom of rotating disk is provided with one
Cylindrical cylinder, the end of steel wire rope fixes the surface being set around cylinder, and rotating disk is located at enclosure and around center and shell
Being rotatably connected, plectrum exposes to outside shell；Locking jaw is installed on the edge CONTACT WITH FRICTION of enclosure and its head and rotating disk,
The middle part of locking jaw is provided with centre bore and is rotatably connected with shell, and center of rotation is less than locking jaw head with the outer peripheral distance of rotating disk
Portion is to the distance between centre bore, and the head making locking jaw can unidirectional swing and reverse self-locking；Locking jaw by back-moving spring with
The border elastic laminating of rotating disk；Outside SR is connected with the afterbody of locking jaw and exposes to shell.
Bicycle buncher the most according to claim 3, it is characterised in that: the outward flange of described rotating disk is provided with rubber
Cushion rubber, the head of described locking jaw is provided with brake pad.
Bicycle buncher the most according to claim 1, it is characterised in that: described determine driven pulley and dynamic driven belt
The gradient of the conical surface of wheel is 10 °～15 °.
Bicycle buncher the most according to claim 1, it is characterised in that: described determine driven pulley and dynamic driven belt
The roughness of the conical surface of wheel is 1.6 or 3.2.
Bicycle buncher the most according to claim 1, it is characterised in that: described tensioner apparatus includes first
Bearing up pulley, the second regulating wheel and elastic support；First regulating wheel is rotationally fixed to determine below driven pulley, consolidating of elastic support
Fixed end is coaxially disposed with the first regulating wheel, and elastic support can be arranged by elastics wing around the first regulating wheel, the movable end of elastic support
Rotatable it is provided with the second regulating wheel；Transmission band is set around outward flange and the inward flange of the first regulating wheel of the second regulating wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620682419.4U CN205769956U (en) | 2016-06-29 | 2016-06-29 | A kind of bicycle buncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620682419.4U CN205769956U (en) | 2016-06-29 | 2016-06-29 | A kind of bicycle buncher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205769956U true CN205769956U (en) | 2016-12-07 |
Family
ID=58126481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620682419.4U Expired - Fee Related CN205769956U (en) | 2016-06-29 | 2016-06-29 | A kind of bicycle buncher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205769956U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005230A (en) * | 2016-06-29 | 2016-10-12 | 麦志成 | Continuously variable transmission of bike |
| CN107472453A (en) * | 2017-08-20 | 2017-12-15 | 辛永升 | Voluntarily overall width V bands stepless gear system |
| CN108087512A (en) * | 2018-01-23 | 2018-05-29 | 浙江大邦电动工具有限公司 | Reducing type buncher |
| CN115119576A (en) * | 2022-06-30 | 2022-09-30 | 山东省农业科学院作物研究所 | Wheat seeder capable of automatically adjusting plant spacing in walking process |
-
2016
- 2016-06-29 CN CN201620682419.4U patent/CN205769956U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005230A (en) * | 2016-06-29 | 2016-10-12 | 麦志成 | Continuously variable transmission of bike |
| CN107472453A (en) * | 2017-08-20 | 2017-12-15 | 辛永升 | Voluntarily overall width V bands stepless gear system |
| CN108087512A (en) * | 2018-01-23 | 2018-05-29 | 浙江大邦电动工具有限公司 | Reducing type buncher |
| CN108087512B (en) * | 2018-01-23 | 2023-09-29 | 浙江大邦电动工具有限公司 | Diameter-variable stepless speed changer |
| CN115119576A (en) * | 2022-06-30 | 2022-09-30 | 山东省农业科学院作物研究所 | Wheat seeder capable of automatically adjusting plant spacing in walking process |
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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: 20161207 Termination date: 20180629 |