CN104417710A - 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
- CN104417710A CN104417710A CN201310408345.6A CN201310408345A CN104417710A CN 104417710 A CN104417710 A CN 104417710A CN 201310408345 A CN201310408345 A CN 201310408345A CN 104417710 A CN104417710 A CN 104417710A
- Authority
- CN
- China
- Prior art keywords
- ring
- speed
- changing device
- speed change
- fluted disc
- 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
-
- 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 transmission system of bicycle, refers to the changing device of fluted disc change-speed box before a kind of bicycle especially.
Background technology
Inventor does an invention improvement for fluted disc change-speed box before bicycle, and patent application is proposed, through compiling as TaiWan, China No. 102204515 patent application case, this case uses planetary gear system as the change-speed box of fluted disc before bicycle, it establishes a control stalk in the crank shaft of bicycle, two ends of this control stalk protrude out outside this crank shaft, and user utilizes and goes to play this control stalk inside sole and make it be shifted, and then drives this planetary gear system speed change.
Above-mentioned gear shift mode is also inconvenient in use, more different from general popular use habit, how to be improved on existing device, makes it meet the use habit of general masses, just become and have target to be overcome.
Summary of the invention
For the problems referred to above, main purpose of the present invention is to provide the changing device of fluted disc change-speed box before a kind of bicycle, use habit popular as the unification of its operational sign.
For achieving the above object, the changing device of fluted disc change-speed box before a kind of bicycle provided by the present invention, is characterized in that including: a tube-like envelope; One crank shaft, is hubbed in described tube-like envelope, and two ends all stretch out outside described tube-like envelope, and its central authorities are 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 speed variator, is installed in exposed junction on the right side of described crank shaft, rotates by the driving of described crank shaft; One control stalk, is contained in the axis hole of described crank shaft, for controlling described planetary speed variator speed change; One driving lever, be located in one end of described control stalk and be contained in the elongate slot of described crank shaft, its two ends stretch out outside described elongate slot, with described crank shaft synchronous axial system; One speed change ring, is installed in exposed junction on the left of described crank shaft, not with described crankshaft rotation, described speed change ring is connected with described driving lever, described driving lever can be allowed freely to rotate, and described driving lever can be driven to be shifted along described elongate slot, the outer ring surface of described speed change ring is provided with at least one guide channel; At least one guide pins, fixes with the outer shell of described tubulose, and is placed in the guide channel of described speed change ring; One sheave, is located at the outer shell of described tubulose and is positioned at the outside of described speed change ring, can be subject to external force traction and rotate a set angle, speed change ring synchronous axial system described in linkage; Produce axially displaced when described speed change ring rotates by the guiding of described guide pins, and drive control stalk displacement described in described driving lever interlock.
In the technical scheme of the invention described above, the inner face of described speed change ring is provided with an annular groove, and two projection ends of described driving lever are then contained in described annular groove.
Also include a latch ring, be fixed on the outer shell of described tubulose, described speed change ring is contained in described latch ring, and described guide pins is fixed on described latch ring.
More be equipped with a grommet inside described speed change ring, described grommet is fixed on described crank shaft.
The inner side of described sheave is provided with two guide pillars, and described speed change ring is then provided with two grooves, and accommodating for described two guide pillars, described speed change ring back and forth can be shifted 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 the shoulder of sheathed accommodating described latch ring.
Described sheave is made up of with docking about a support body a lid, and described lid is located at by described two guide pillars, and the outer ring surface of described sheave is provided with a groove, and the cable wire for traction is accommodating.
Also include a retracing spring, one end of described spring and direct or indirect the fixing of the outer shell of described tubulose, its other end and described sheave are fixed.
Described control stalk includes a shaft and a head end part, described head end part is provided with a perforation and wears for described driving lever, a storage tank is established in the inside of described head end part, an accommodating steel ball and a spring in it, and described steel ball withstands described driving lever by the thrust of described spring.
One end of described spring is fixed on a set collar, and described set collar is fixed on described tube-like envelope again.
Adopt technique scheme, user can utilize existing cable wire pulling device to go to pull this sheave to make this speed change endless belt of its interlock move the displacement of this driving lever, and then this control stalk that links drives this planetary speed variator speed change, owing to using existing cable wire drawing transmission system, identical with existing mode in use habit, the present invention more will can meet the demand of user.
Accompanying drawing explanation
Fig. 1 is 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 birds-eye view of Fig. 1;
Fig. 5 is the cutaway view in 5-5 hatching line direction in Fig. 4;
Fig. 6 is the cutaway 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 along 8-8 hatching line in Fig. 4;
Fig. 9 is enlarged drawing partly of drawing a circle in Fig. 8;
Fig. 9 A is the site plan of the local element of the position of corresponding diagram 9;
Figure 10 is general with 9 figure, 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 site plan of the local element of the position of corresponding Figure 10.
Detailed description of the invention
In order to describe structure of the present invention, Characteristic in detail, the following preferred embodiment of existing act also coordinates accompanying drawing to be described as follows.
As shown in Fig. 1 to Figure 10 A, be the changing device of fluted disc change-speed box before a kind of bicycle of the present invention, include:
One tube-like envelope 10.
One crank shaft 20, is hubbed in tube-like envelope 10, and two ends all stretch out outside tube-like envelope 10, and its central authorities are provided with an axis hole 21 along axial line, and on the left of it, exposed junction is radially provided with an elongate slot 22.
One planetary speed variator 30, is installed in exposed junction on the right side of crank shaft 20, rotates by the driving of crank shaft 20, and as shown in Fig. 1, Fig. 8, the detailed configuration of this part please refer to case before aforementioned TaiWan, China the 102204515th.
One control stalk 40, is contained in the axis hole 21 of crank shaft 20, for controlling planetary speed variator 30 speed change.
One driving lever 50, be located in one end of control stalk 40 and be contained in the elongate slot 22 of crank shaft 20, its two ends stretch out outside elongate slot 22, with crank shaft 20 synchronous axial system.
Wherein, control stalk 40 includes shaft 41 and a head end part 42, head end part 42 is provided with a perforation 43 and wears for driving lever 50, a storage tank 44 is established in the inside of head end part 42, accommodating steel ball 45 and a spring 46 in it, steel ball 45 withstands driving lever 50, as shown in Fig. 2, Fig. 3, Fig. 9 by the thrust of spring 46.
One speed change ring 60, be installed in exposed junction on the left of crank shaft 20, do not rotate with crank shaft 20, speed change ring 60 is connected with driving lever 50, driving lever 50 can be allowed freely to rotate, and driving lever 50 can be driven to be shifted along elongate slot 22, the outer ring surface of speed change ring 60 is provided with at least one guide channel 61, as shown in Figure 7, the present embodiment establishes 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, as shown in Fig. 7, Fig. 9.
At least one guide pins 70, fix with the outer shell 10 of tubulose, and be placed in the guide channel 61 of speed change ring 60, as shown in Figure 6, the present embodiment establishes two guide pins.
One sheave 80, as shown in Fig. 1, Fig. 8, is located at the outer shell 10 of tubulose and is positioned at the outside of speed change ring 60, can rotate a set angle, linkage speed change ring 60 synchronous axial system by external force traction; Can produce axially displaced by the guiding of guide pins 70 when speed change ring 60 rotates, and drive driving lever 50 connecting move control bar 40 to be shifted, as shown in Figure 9, Figure 10.
Wherein, sheave 80 to be docked with a support body about 82 by a lid 81 and formed, and lid 81 is located at by two guide pillars 83, and 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 is accommodating.
Wherein, the inner side of sheave 80 is provided with two guide pillars 83, and as shown in Figure 3, speed change ring 60 is then provided with two grooves 63, and accommodating for two guide pillars 83, as shown in Figure 6, speed change ring 60 back and forth can be shifted along guide pillar 83, as shown in Figure 9, Figure 10.
Wherein more include a latch ring 90, as shown in Fig. 2, Fig. 3, Fig. 9, be fixed on the outer shell 10 of tubulose, speed change ring 60 is contained in latch ring 90, guide pins 70 is fixed on latch ring 90, and latch ring 90 locks on the outside thread 12 of tube-like envelope 10 with its negative thread 92.
Wherein, the outer ring surface of latch ring 90 is convexly equipped with a shoulder 91, is provided with an annular groove 84 in sheave 80, for the shoulder 91 of sheathed accommodating latch ring 90, as shown in Figure 9.
Wherein more be 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 shaft 20, and grommet 100 locks on the outside thread 23 of crank shaft 20 with its negative thread 101.
Wherein more include a retracing spring 110, one end of spring 110 and direct or indirect the fixing of the outer shell 10 of tubulose, its other end and sheave 80 are fixed.One end of spring 110 is fixed on the teat 131 of a set collar 130, and its other end is fixed on the support body 82 of sheave 80, as shown in Figure 5.Use a taper ring 140 packing set collar 130 in addition, as shown in Figure 8.
During use, as Fig. 9, Fig. 9 A, Figure 10, shown in Figure 10 A, utilize cable wire 120 to draw sheave 80 to rotate, sheave 80 is namely by Fig. 9, position shown in Fig. 9 A turns to Figure 10, position shown in Figure 10 A, now sheave 80 is with speed change ring 60 synchronous axial system, speed change ring 60 is subject to the guide function of guide pins 70 and its guide channel 61, axial displacement is created while rotation, namely the position of Figure 10 is moved to by the position of Fig. 9, namely speed change ring 60 drives driving lever 50 to be shifted, linkage control stalk 40 is shifted, the displacement of control stalk 40 gets final product the effect that control lines star gear device 30 produces speed change.Sheave 80 has also stretched while rotating spring 110 stored an elasticity and return the power of releasing, when cable wire 120 is relaxed, spring 110 i.e. drawing sheave 80 goes back to initial position automatically, and linkage driving lever 50 drives control stalk 40 to be shifted and gets back to initial position, is namely retracted the position of Fig. 9 by Figure 10.
Claims (10)
1. the changing device of fluted disc change-speed box before bicycle, is characterized in that including:
One tube-like envelope;
One crank shaft, is hubbed in described tube-like envelope, and two ends all stretch out outside described tube-like envelope, and its central authorities are 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 speed variator, is installed in exposed junction on the right side of described crank shaft, rotates by the driving of described crank shaft;
One control stalk, is contained in the axis hole of described crank shaft, for controlling described planetary speed variator speed change;
One driving lever, be located in one end of described control stalk and be contained in the elongate slot of described crank shaft, its two ends stretch out outside described elongate slot, with described crank shaft synchronous axial system;
One speed change ring, is installed in exposed junction on the left of described crank shaft, not with described crankshaft rotation, described speed change ring is connected with described driving lever, described driving lever can be allowed freely to rotate, and described driving lever can be driven to be shifted along described elongate slot, the outer ring surface of described speed change ring is provided with at least one guide channel;
At least one guide pins, fixes with the outer shell of described tubulose, and is placed in the guide channel of described speed change ring;
One sheave, is located at the outer shell of described tubulose and is positioned at the outside of described speed change ring, can be subject to external force traction and rotate a set angle, speed change ring synchronous axial system described in linkage; Produce axially displaced when described speed change ring rotates by the guiding of described guide pins, and drive control stalk displacement described in described driving lever interlock.
2. the changing device of fluted disc change-speed box before bicycle as claimed in claim 1, it is characterized in that: the inner face of described speed change ring is provided with an annular groove, two projection ends of described driving lever are then contained in described annular groove.
3. the changing device of fluted disc change-speed box before bicycle as claimed in claim 1, it is characterized in that: also include a latch ring, be fixed on the outer shell of described tubulose, described speed change ring is contained in described latch ring, and described guide pins is fixed on described latch ring.
4. the changing device of fluted disc change-speed box before bicycle as claimed in claim 1, is characterized in that: be more equipped with a grommet inside described speed change ring, described grommet is fixed on described crank shaft.
5. the changing device of fluted disc change-speed box before bicycle as claimed in claim 1, it is characterized in that: the inner side of described sheave is provided with two guide pillars, described speed change ring is then provided with two grooves, and accommodating for described two guide pillars, described speed change ring back and forth can be shifted along described guide pillar.
6. the changing device of fluted disc change-speed box before bicycle as claimed in claim 5, it is characterized 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, for the shoulder of sheathed accommodating described latch ring.
7. the changing device of fluted disc change-speed box before bicycle as claimed in claim 6, it is characterized in that: described sheave is made up of with docking about a support body a lid, described lid is located at by described two guide pillars, and the outer ring surface of described sheave is provided with a groove, and the cable wire for traction is accommodating.
8. the changing device of fluted disc change-speed box before bicycle as claimed in claim 1, is characterized in that: also include a retracing spring, and one end of described spring and direct or indirect fixing of the outer shell of described tubulose, its other end and described sheave are fixed.
9. the changing device of fluted disc change-speed box before bicycle as claimed in claim 1, it is characterized in that: described control stalk includes a shaft and a head end part, described head end part is provided with a perforation and wears for described driving lever, a storage tank is established in the inside of described head end part, an accommodating steel ball and a spring in it, described steel ball withstands described driving lever by the thrust of described spring.
10. the changing device of fluted disc change-speed box before bicycle as claimed in claim 8, is characterized in that: one end of described spring is fixed on a set collar, and described set collar 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 true CN104417710A (en) | 2015-03-18 |
| CN104417710B CN104417710B (en) | 2017-01-18 |
Family
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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) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988008803A1 (en) * | 1987-05-08 | 1988-11-17 | I.S.O. S.R.L. | Crank shaft for pedal crank housing planetary transmission |
| US5303942A (en) * | 1992-03-25 | 1994-04-19 | Florian Schlumpf | Shiftable pedal bearing for a bicycle or the like |
| US5609071A (en) * | 1994-02-07 | 1997-03-11 | Schlumpf; Florian | Shiftable pedal bearing gearing 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
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988008803A1 (en) * | 1987-05-08 | 1988-11-17 | I.S.O. S.R.L. | Crank shaft for pedal crank housing planetary transmission |
| US5303942A (en) * | 1992-03-25 | 1994-04-19 | Florian Schlumpf | Shiftable pedal bearing for a bicycle or the like |
| US5609071A (en) * | 1994-02-07 | 1997-03-11 | Schlumpf; Florian | Shiftable pedal bearing gearing 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104417710B (en) | 2017-01-18 |
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