CN104417710B - Adjusting and changing device of front-gear-disc transmission of bicycle - Google Patents
Adjusting and changing device of front-gear-disc transmission of bicycle Download PDFInfo
- Publication number
- CN104417710B CN104417710B CN201310408345.6A CN201310408345A CN104417710B CN 104417710 B CN104417710 B CN 104417710B CN 201310408345 A CN201310408345 A CN 201310408345A CN 104417710 B CN104417710 B CN 104417710B
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- CN
- China
- Prior art keywords
- ring
- speed change
- changing device
- crankshaft
- envelope
- 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.)
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Classifications
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- 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
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
- B62M9/131—Front derailleurs
Abstract
The invention relates to an adjusting and changing device of a front-gear-disc transmission of a bicycle. The adjusting and changing device comprises a pipe-shaped shell, a crankshaft, a planetary gear speed-changing device, a control rod, a poking rod, a speed-changing ring, a guiding pin and a traction disc, wherein the crankshaft is provided with a shaft hole which is arranged in the pipe-shaped shell in a pivoting mode, the two ends of the crankshaft protrude and extend out of the pipe-shaped shell, and the exposed end of the left side of the crankshaft is provided with a long groove hole; the planetary gear speed-changing device is arranged at the exposed end of the right side of the crankshaft, and is driven to rotate by the crankshaft; the control rod is contained in the shaft hole of the crankshaft; the poking rod is arranged in the long groove hole of the crankshaft for containing the control rod in a penetrating manner, and the two ends of the poking rod protrude and extend out of the long groove hole and rotate synchronously along with the crankshaft; the speed-changing ring is arranged at the exposed end of the left side of the crankshaft, does not rotate along with the crankshaft, is connected with the poking rod and drives the poking rod to move along the long groove hole, and the outer ring surface of the speed-changing ring is provided with a guiding groove; the guiding pin is fixed with the pipe-shaped shell; and the traction disc is arranged on the pipe-shaped shell, can rotate by an angle under the traction of external force, and drives the speed-changing ring to rotate in a linking manner.
Description
Technical field
The present invention is relevant with the speed change gear of bicycle, particularly relates to a kind of modulation dress of fluted disc speed changer before bicycle
Put.
Background technology
Before inventor is directed to bicycle, fluted disc speed changer does an invention improvement, and proposes patent application, during warp knit is
State Taiwan the 102204515th patent application case, this case is the speed changer with planetary gear system as fluted disc before bicycle,
It is to set a control bar in the crank axle of bicycle, and two ends of this control bar protrude out outside this crank axle, and user utilizes pin
Going inside the palm to play this control bar makes it shift, and then drives this planetary gear system speed change.
Above-mentioned gear shift mode is on using and inconvenient, more different from general popular use habit, how existing
Improved on device so as to meet typically popular use habit, become as there being target to be overcome.
Content of the invention
For the problems referred to above, present invention is primarily targeted at providing a kind of modulation dress of fluted disc speed changer before bicycle
Put, popular use habit as the unification of its operator.
For reaching above-mentioned purpose, the changing device of fluted disc speed changer, its feature before a kind of bicycle provided by the present invention
It is to include: a tube-like envelope；One crank axle, is hubbed in described tube-like envelope, two ends all stretch out described tube-like envelope
Outward, its central authorities is provided with an axis hole along axial line, and on the left of it, exposed junction is radially provided with an elongate slot；One planetary gear speed-changing dress
Put, be installed in exposed junction on the right side of described crank axle, rotated by the driving of described crank axle；One control bar, is contained in described song
In the axis hole of arbor, for controlling described planetary speed variator speed change；One driving lever, be located in described control bar one end and
It is contained in the elongate slot of described crank axle, its two ends stretches out outside described elongate slot, with described crank axle synchronous axial system；
One speed change ring, is installed in exposed junction on the left of described crank axle, and not with described crankshaft rotation, described speed change ring is with described driving lever even
Connect, described driving lever can be allowed freely rotatable, and described driving lever can be driven to shift along described elongate slot, the outer ring surface of described speed change ring
It is provided with least one guide channel；At least one guide pins, are fixed with described tube-like envelope, and are placed in the guide channel of described speed change ring
In；One sheave, is located at the outside of described speed change ring located at described tube-like envelope, can be rotated a set angle by external force traction
Degree, speed change ring synchronous axial system described in linkage；It is subject to the guiding of described guide pins to produce axial shifting when described speed change ring rotates
Position, and drive described driving lever to interlock described control bar displacement.
In the technical scheme of the invention described above, the inner face of described speed change ring is provided with an annular groove, two projection ends of described driving lever
Then it is contained in described annular groove.
Also include a latch ring, be fixed on described tube-like envelope, described speed change ring is contained in described latch ring, institute
State guide pins and be fixed on described latch ring.
More it is equipped with a grommet, described grommet is fixed on described crank axle inside described speed change ring.
The inner side of described sheave is provided with two guide pillars, and described speed change ring is then provided with two grooves, houses for described two guide pillars,
Described speed change ring back and forth can shift along described guide pillar.
The outer ring surface of described latch ring is convexly equipped with a shoulder, is provided with an annular groove in described sheave, for sheathed accommodating institute
State the shoulder of latch ring.
Described sheave is made up of with docking about a support body a lid, and described two guide pillars, located at described lid, described lead
The outer ring surface of lead plate is provided with a groove, and the cable wire for traction houses.
Also include a back-moving spring, one end of described spring fixation direct or indirect with described tube-like envelope, it is another
One end is fixed with described sheave.
Described control bar includes a shaft and a head end part, and described head end part is provided with a perforation and wears for described driving lever,
The inside of described head end part sets a storage tank, an accommodating steel ball and a spring in it, and described steel ball is subject to the thrust of described spring
And withstand described driving lever.
One end of described spring is fixed in a retainer ring, and described retainer ring is fixed on described tube-like envelope again.
Using technique scheme, user can go to pull this sheave to make it interlock this change using existing cable wire pulling device
Fast annulus moves the displacement of this driving lever, and then this control bar that links drives this planetary speed variator speed change, due to using existing
Cable wire pulls speed change gear, and identical with existing mode in use habit, the present invention more can be met the demand of user.
Brief description
Fig. 1 is the stereoscopic figure of the present invention；
Fig. 2 is the exploded perspective view of left-hand portion in Fig. 1；
Fig. 3 is the view of Fig. 2 conversion direction；
Fig. 4 is the top view of Fig. 1；
Fig. 5 is the sectional view in 5-5 hatching line direction in Fig. 4；
Fig. 6 is the sectional view in 6-6 hatching line direction in Fig. 4；
Fig. 7 is the enlarged drawing of label 60 speed change ring in Fig. 2；
Fig. 8 is the cross section view of the 8-8 hatching line along along Fig. 4；
Fig. 9 is to draw a circle the enlarged drawing of part in Fig. 8；
Fig. 9 a is the location drawing of the local element of position of corresponding Fig. 9；
Figure 10 is generally with 9 figures, but display driving lever 50 is moved to the state in left side by the right side of elongate slot 22；
Figure 10 a is the location drawing of the local element of position of corresponding Figure 10.
Specific embodiment
In order to describe structure, feature and effect of the present invention in detail, now lift preferred embodiments below and coordinate brief description
As follows.
As shown in Fig. 1 to Figure 10 a, it is the changing device of fluted disc speed changer before a kind of bicycle of the present invention, includes:
One tube-like envelope 10.
One crank axle 20, is hubbed in tube-like envelope 10, and two ends all stretch out outside tube-like envelope 10, and its central authorities is along axial line
It is provided with an axis hole 21, on the left of it, exposed junction is radially provided with an elongate slot 22.
One planetary speed variator 30, is installed in crank axle 20 right side exposed junction, is rotated by the driving of crank axle 20,
As shown in Fig. 1, Fig. 8, the detailed configuration of this part refer to case before aforementioned TaiWan, China the 102204515th.
One control bar 40, is contained in the axis hole 21 of crank axle 20, for controlling planetary speed variator 30 speed change.
One driving lever 50, is located in one end of control bar 40 and is contained in the elongate slot 22 of crank axle 20, its two distal process
Stretch out outside elongate slot 22, with crank axle 20 synchronous axial system.
Wherein, control bar 40 includes a shaft 41 and a head end part 42, and head end part 42 is provided with a perforation 43 and supplies driving lever 50
Wear, the inside of head end part 42 sets a storage tank 44, an accommodating steel ball 45 and a spring 46 in it, steel ball 45 is subject to spring 46
Thrust and withstand driving lever 50, as shown in Fig. 2, Fig. 3, Fig. 9.
One speed change ring 60, is installed in crank axle 20 left side exposed junction, does not rotate with crank axle 20, speed change ring 60 and driving lever 50
Connect, driving lever 50 can be allowed freely rotatable, and driving lever 50 can be driven to shift along elongate slot 22, the outer ring surface of speed change ring 60 be provided with to
A few guide channel 61, as shown in fig. 7, the present embodiment sets two guide channels.
Wherein, the inner face of speed change ring 60 is provided with an annular groove 62, and two projection ends of driving lever 50 are then contained in annular groove 62, such as schemes
7th, shown in Fig. 9.
At least one guide pins 70, fixing with tube-like envelope 10, and be placed in the guide channel 61 of speed change ring 60, as Fig. 6 institute
Show, the present embodiment sets two guide pins.
One sheave 80, as shown in Fig. 1, Fig. 8, is located at the outside of speed change ring 60 located at tube-like envelope 10, can be subject to external force
Draw and rotate a set angle, linkage speed change ring 60 synchronous axial system；Leading of guide pins 70 can be subject to when speed change ring 60 rotates
Draw and produce axially displaced, and drive driving lever 50 connecting move control bar 40 to shift, as shown in Figure 9, Figure 10.
Wherein, sheave 80 is docked with a support body 82 about by a lid 81 and is formed, two guide pillars 83 located at lid 81,
As shown in Figure 2 and Figure 3, the outer ring surface of sheave 80 is provided with a groove 85, and the cable wire 120 for traction houses.
Wherein, the inner side of sheave 80 is provided with two guide pillars 83, as shown in figure 3, and speed change ring 60 is then provided with two grooves 63, confession
Two guide pillars 83 house, as shown in fig. 6, speed change ring 60 back and forth can shift along guide pillar 83, as shown in Figure 9, Figure 10.
Wherein further include a latch ring 90, as shown in Fig. 2, Fig. 3, Fig. 9, be fixed on tube-like envelope 10, speed change ring 60
It is contained in latch ring 90, guide pins 70 are fixed on latch ring 90, latch ring 90 is locked in tube-like envelope 10 with its internal thread 92
External screw thread 12 on.
Wherein, the outer ring surface of latch ring 90 is convexly equipped with a shoulder 91, is provided with an annular groove 84, for sheathed appearance in sheave 80
Put the shoulder 91 of latch ring 90, as shown in Figure 9.
Wherein more it is equipped with a grommet 100 inside speed change ring 60, as shown in Fig. 2, Fig. 3, Fig. 9, grommet 100 is fixed on crank
On axle 20, grommet 100 is to be locked on the external screw thread 23 of crank axle 20 with its internal thread 101.
Wherein further include a back-moving spring 110, one end of spring 110 fixation direct or indirect with tube-like envelope 10,
Its other end is fixing with sheave 80.One end of spring 110 is fixed on the teat 131 of a retainer ring 130, and its other end is fixed
On the support body 82 of sheave 80, as shown in Figure 5.In addition with a taper ring 140 packing retainer ring 130, as shown in Figure 8.
During use, as shown in Fig. 9, Fig. 9 a, Figure 10, Figure 10 a, draw sheave 80 using cable wire 120 and rotate, sheave 80
I.e. the position shown in Fig. 9, Fig. 9 a turns to the position shown in Figure 10, Figure 10 a, and now sheave 80 is synchronous with speed change ring 60
Rotate, speed change ring 60 is subject to the guide function of guide pins 70 and its guide channel 61, while rotating, create axial displacement,
I.e. by Fig. 9 position movement to Figure 10 position, speed change ring 60 drives driving lever 50 to shift, and linkage control bar 40 shifts, control
The displacement of bar 40 processed can control the effect that planetary speed variator 30 produces speed change.Sheave 80 also stretches while rotation
Spring 110 has simultaneously stored an elasticity and has returned and released power, and when cable wire 120 is relaxed, spring 110 pulls sheave 80 and automatically goes back to
Initial position, linkage driving lever 50 drives control bar 40 displacement to return to initial position, is moved back to the position of Fig. 9 by Figure 10.
Claims (10)
1. before a kind of bicycle the changing device of fluted disc speed changer it is characterised in that including:
One tube-like envelope；
One crank axle, is hubbed in described tube-like envelope, and two ends all stretch out outside described tube-like envelope, and its central authorities sets along axial line
There is an axis hole, on the left of it, exposed junction is radially provided with an elongate slot；
One planetary speed variator, is installed in exposed junction on the right side of described crank axle, is rotated by the driving of described crank axle；
One control bar, is contained in the axis hole of described crank axle, for controlling described planetary speed variator speed change；
One driving lever, is located in one end of described control bar and is contained in the elongate slot of described crank axle, its two ends stretches out
Outside described elongate slot, with described crank axle synchronous axial system；
One speed change ring, is installed in exposed junction on the left of described crank axle, not with described crankshaft rotation, described speed change ring with described group
Bar connects, and described driving lever can be allowed freely rotatable, and described driving lever can be driven to shift along described elongate slot, outside described speed change ring
Anchor ring is provided with least one guide channel；
At least one guide pins, are fixed with described tube-like envelope, and are placed in the guide channel of described speed change ring；
One sheave, is located at the outside of described speed change ring located at described tube-like envelope, can be rotated a setting by external force traction
Angle, speed change ring synchronous axial system described in linkage；It is subject to the guiding of described guide pins to produce axial direction when described speed change ring rotates
Displacement, and drive described driving lever to interlock described control bar displacement.
2. before bicycle as claimed in claim 1 fluted disc speed changer changing device it is characterised in that: the inner face of described speed change ring
It is provided with an annular groove, two projection ends of described driving lever are then contained in described annular groove.
3. before bicycle as claimed in claim 1 fluted disc speed changer changing device it is characterised in that: also include a latch
Ring, is fixed on described tube-like envelope, and described speed change ring is contained in described latch ring, and described guide pins are fixed on described latch
Ring.
4. before bicycle as claimed in claim 1 fluted disc speed changer changing device it is characterised in that: inside described speed change ring more
It is equipped with a grommet, described grommet is fixed on described crank axle.
5. before bicycle as claimed in claim 1 fluted disc speed changer changing device it is characterised in that: the inner side of described sheave
It is provided with two guide pillars, and described speed change ring is then provided with two grooves, house for described two guide pillars, described speed change ring can be along described guide pillar
Reciprocal displacement.
6. before bicycle as claimed in claim 5 fluted disc speed changer changing device it is characterised in that: also include a latch
Ring, the outer ring surface of described latch ring is convexly equipped with a shoulder, is provided with an annular groove in described sheave, houses described latch for sheathed
The shoulder of ring.
7. before bicycle as claimed in claim 6 fluted disc speed changer changing device it is characterised in that: described sheave by one cover
Body with dock composition about a support body, described two guide pillars are provided with a groove located at described lid, the outer ring surface of described sheave, supply
The cable wire of traction houses.
8. before bicycle as claimed in claim 1 fluted disc speed changer changing device it is characterised in that: also include a reset bullet
Spring, one end of described spring fixation direct or indirect with described tube-like envelope, its other end is fixed with described sheave.
9. before bicycle as claimed in claim 1 fluted disc speed changer changing device it is characterised in that: described control bar includes
One shaft and a head end part, described head end part is provided with a perforation and wears for described driving lever, and the inside of described head end part sets one and houses
Groove, an accommodating steel ball and a spring in it, described steel ball is subject to the thrust of described spring to withstand described driving lever.
10. before bicycle as claimed in claim 8 fluted disc speed changer changing device it is characterised in that: one end of described spring
It is fixed in a retainer ring, described retainer ring is fixed on described tube-like envelope again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408345.6A CN104417710B (en) | 2013-09-09 | 2013-09-09 | Adjusting and changing device of front-gear-disc transmission of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408345.6A CN104417710B (en) | 2013-09-09 | 2013-09-09 | Adjusting and changing device of front-gear-disc transmission of bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104417710A CN104417710A (en) | 2015-03-18 |
| CN104417710B true CN104417710B (en) | 2017-01-18 |
Family
ID=52968056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310408345.6A Active CN104417710B (en) | 2013-09-09 | 2013-09-09 | Adjusting and changing device of front-gear-disc transmission of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104417710B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1218572B (en) * | 1987-05-08 | 1990-04-19 | I S O Srl | PIN OF A CENTRAL GROUP OF MOVEMENT OF A BICYCLE WITH A SIMPLE EPICYCLOIDAL TRAIN |
| CH685868A5 (en) * | 1992-03-25 | 1995-10-31 | Florian Schlumpf | Switchable pedal bearing |
| DE59505343D1 (en) * | 1994-02-07 | 1999-04-22 | Florian Schlumpf | Switchable bottom bracket gear for a bicycle or the like |
| CN2668496Y (en) * | 2003-12-09 | 2005-01-05 | 付克 | Bicycle millde shaft planetary speed transmission |
| TWM349885U (en) * | 2008-09-02 | 2009-02-01 | Whole Secure Ind Co Ltd | Derailleur structure for bicycle |
| CN201971124U (en) * | 2010-12-21 | 2011-09-14 | 杰夫·朱 | Bicycle middle-axle planet gear speed-changing device |
-
2013
- 2013-09-09 CN CN201310408345.6A patent/CN104417710B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104417710A (en) | 2015-03-18 |
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