CN114475904A - Bicycle operating device - Google Patents
Bicycle operating device Download PDFInfo
- Publication number
- CN114475904A CN114475904A CN202210054558.2A CN202210054558A CN114475904A CN 114475904 A CN114475904 A CN 114475904A CN 202210054558 A CN202210054558 A CN 202210054558A CN 114475904 A CN114475904 A CN 114475904A
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- pivot axis
- operating
- operating assembly
- clamping
- fluted disc
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- 238000004804 winding Methods 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 210000003811 finger Anatomy 0.000 description 4
- 210000003813 thumb Anatomy 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
- B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
- B62L3/026—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever actuation by a turning handle or handlebar
Abstract
The invention relates to a bicycle operating device, which comprises a shell, a speed changing structure, a brake handle, a first operating component and a second operating component. The speed change structure is arranged on the shell and comprises a winding disc and a mandrel. The brake handle is pivoted on the shell. The first operating assembly is pivoted to the shell to drive the winding roll to rotate so as to pull the speed change line, and the first operating assembly is provided with a first finger-dial surface. The second operating component is provided with a second dial surface. The first and second shift levers of the bicycle operating device can swing freely respectively, so that the first and second shift levers can be shifted individually, and the interference between a speed change line and a brake line can be avoided, thereby improving the accuracy of speed change and braking.
Description
Technical Field
The present invention relates to a bicycle operating device.
Background
The bicycle shifting device is used for changing the gear ratio to meet the requirements of low-speed or high-speed riding, and the bicycle is provided with a shifting operation device on a bicycle handlebar for shifting, however, the conventional bicycle shifting device has the following disadvantages: for example, the transmission disclosed in taiwan patent No. TWI391292 controls the speed change by swinging the brake handle in the forward direction of the bicycle, so that the user may inadvertently change the speed while braking or inadvertently brake while shifting the speed; for example, in the transmission device disclosed in taiwan patent No. TWI260295, the button is disposed on one side of the handlebar transverse to the forward direction of the bicycle for operation, and the user needs to press the button with the thumb, which causes the thumb to be unable to engage with the handlebar and to stably hold the handlebar, which is dangerous in use; for example, in the transmission device disclosed in taiwan patent No. TWI699305, the operation of shifting in and out is performed by swinging left and right only through one operating lever, so that the user is likely to misjudge the direction and confuse the shifting operation, which is a drawback to be improved.
Therefore, there is a need for a novel and improved bicycle operating device that solves the above problems.
Disclosure of Invention
The primary objective of the present invention is to provide a bicycle operating device, wherein the first shift lever and the second shift lever of the bicycle operating device can swing freely, so as to shift the first shift lever and the second shift lever individually, and avoid the interference between the speed-changing cable and the brake cable, thereby improving the accuracy of speed-changing and braking.
To achieve the above objects, the present invention provides a bicycle operating device, which includes a housing, a shifting structure, a brake lever, a first operating member and a second operating member. The shell is arranged on a handlebar of a bicycle. The speed change structure is arranged on the shell and comprises a winding roll and a mandrel, the winding roll is arranged on the mandrel and is provided with a speed change line in a winding mode, a first pivot axis is defined in the axis direction of the mandrel, and the winding roll can rotate around the first pivot axis in a recovering mode. The brake handle is pivoted on the shell and swings around a second pivot axis to define a first reference plane which is perpendicular to the second pivot axis and passes through the center point of the winding roll. The first operating component can be pivoted on the shell in a recovering way so as to drive the winding roll to rotate to pull the speed change line, and the first operating component is provided with a first finger-poking surface. The second operating component can be pivoted on the shell in a recovering way so as to drive the winding roll to reset and rotate to release the speed change line, and the second operating component is provided with a second poking surface. When the first operating assembly is shifted, the first dial face swings towards the first reference plane. When the second operating assembly is shifted, the second shifting surface swings towards the first reference plane. When the first dial face swings towards the first reference plane, the second dial face does not move with the first dial face. Wherein the second dial surface is located between the second pivot axis and the first dial surface.
Preferably, the winding roll is sleeved on the mandrel in a synchronous manner.
Preferably, the speed changing structure includes a second gear plate, and the second gear plate is sleeved on the spindle in a synchronous manner.
Preferably, the second operating assembly comprises a second clamping and abutting piece; when the second operating assembly is in a normal state and the winding roll pulls the speed change line, the second gear disc is disengaged from the second clamping and abutting piece to rotate, and the second clamping and abutting piece is clamped to the second gear disc so that the second gear disc cannot reset and rotate; when the second operating assembly is pulled and the first operating assembly is in a normal state, the second clamping and abutting piece jumps off the second fluted disc to enable the winding roll to reset and rotate.
Preferably, the second operating assembly further includes a second converting element, the second converting element is rotatably disposed in the housing along the first pivot axis, the second operating assembly includes a second shift lever, the second shift lever is pivotally disposed in the second converting element along the second pivot axis, the second shift lever is disposed on the second shift lever, the second shift lever and the second converting element rotate along the first pivot axis, the second abutting element is protruded with a protruding point toward the second converting element, and when the second shift lever is shifted, a protruding point of the second abutting element abuts against the protruding point of the second abutting element, so that the second abutting element swings.
Preferably, the second engaging member is rotatably disposed in the housing along the first pivot axis, the second engaging member is provided with the second engaging portion, the second engaging portion is provided with a second engaging member and a third engaging member, the second gear plate is provided with an outer gear row and an inner gear row, the outer gear row and the inner gear row are located between the second engaging member and the third engaging member, and when the second operating assembly is in a normal state, the second engaging member is disengageably engaged with the outer gear row so that the second gear plate can selectively rotate in a direction of pulling the shift line; when the second operating assembly is shifted, the second clamping piece is separated from the outer gear row, and the third clamping piece is clamped against the inner gear row when the second gear plate is reset and rotates.
Preferably, the speed changing structure includes a first gear plate, the first gear plate is coaxially sleeved on the mandrel, the first operating assembly includes a first engaging member, the first engaging member is rotatably disposed on the housing around the first pivot axis, when the first operating assembly is shifted, the first operating assembly drives the first engaging member to engage with the first gear plate, so as to drive the winding reel to pull the speed changing cable, and when the first operating assembly is released, the first engaging member disengages from the first gear plate.
Preferably, the spindle is a non-circular cylinder, the first gear, the second gear and the winding roll are respectively provided with a plurality of connecting holes of the non-circular hole, the spindle is provided with a plurality of the connecting holes, and the second gear is located between the first gear and the winding roll.
Preferably, the housing has a through hole at an end thereof away from the brake lever along the first pivot axis, and the transmission cable passes through the housing along the through hole.
Preferably, the winding roll is sleeved on the mandrel in a synchronous manner; the speed change structure comprises a first fluted disc which is sleeved on the mandrel in a synchronous manner, the first operating assembly comprises a first clamping and abutting piece, the first clamping and abutting piece is rotationally arranged on the shell around the first pivot axis, when the first operating assembly is pulled, the first operating assembly drives the first clamping and abutting piece to be clamped with the first fluted disc so as to drive the winding disc to pull the speed change line, and when the first operating assembly is released, the first clamping and abutting piece is separated from the first fluted disc; the first operating assembly comprises a first driving lever, the first finger-poking surface is arranged on the first driving lever, each first conversion element is provided with a limiting hole, the first clamping part is respectively provided with a lug along at least one side of the first pivot axis, the two lugs are respectively and rotatably inserted into the two limiting holes, each limiting hole is provided with a stopping edge, and each lug stops at one stopping edge under a normal state; the first driving lever is provided with two lugs in an extending manner, the two lugs extend between the two first conversion pieces and are pivoted with the first clamping and abutting piece, the first clamping and abutting piece further comprises a first clamping and abutting part, the first clamping and abutting part is provided with a first clamping piece, and the first clamping piece is clamped with the first fluted disc when the first driving lever is shifted; the mandrel is a non-circular column, a group of connecting holes of the non-circular hole are respectively formed in the first fluted disc, the second fluted disc and the winding roll in a penetrating mode, the mandrel is arranged in the group of connecting holes in a penetrating mode, and the second fluted disc is located between the first fluted disc and the winding roll; the shell is provided with a through hole along one end of the first pivot axis far away from the brake handle, and the speed change line penetrates out of the shell along the through hole; the mandrel comprises two opposite cambered surfaces and two cutting surfaces, and the second conversion piece and the two first conversion pieces are sleeved on the two cambered surfaces of the mandrel; the second conversion piece is connected with the first fluted disc and the second fluted disc, and the second conversion piece is connected with the first fluted disc and the second fluted disc.
The invention has the advantages that:
the bicycle operating device provided by the invention can avoid the interference of a speed changing line and a brake line, so that the accuracy in speed changing and braking can be improved, and in addition, the first deflector rod and the second deflector rod of the bicycle operating device can freely swing respectively, so that the first deflector rod and the second deflector rod can be conveniently and respectively moved.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the present invention.
FIG. 2 is an exploded view of a preferred embodiment of the present invention.
FIG. 3 is a partially exploded view of a preferred embodiment of the present invention.
FIG. 4 is a partial perspective view of a preferred embodiment of the present invention.
Fig. 5 is a perspective view of a preferred embodiment of the present invention.
FIG. 6 is a perspective cross-sectional view of a preferred embodiment of the present invention.
Fig. 7 to 9 are schematic views illustrating the operation of a preferred embodiment of the present invention.
Fig. 10-13 are cross-sectional views illustrating operation of the first operating assembly of the present invention.
Fig. 14-16 are cross-sectional views illustrating the operation of the second operating assembly of the present invention.
Detailed Description
The following description is given by way of example only, and is not intended to limit the scope of the present invention.
Referring to fig. 1 to 16, which illustrate a preferred embodiment of the present invention, the bicycle operating device includes a housing 1, a shifting structure 3, a brake lever 2, a first operating member 7 and a second operating member 8.
The housing 1 is mounted to a handlebar of a bicycle.
The speed changing structure 3 is disposed on the housing 1 and includes a winding reel 6 and a spindle 31, the winding reel 6 is disposed on the spindle 31, the winding reel 6 is wound with a speed changing wire 61, an axial direction of the spindle 31 defines a first pivot axis a1, and the winding reel 6 can rotate around the first pivot axis a1 in a recovering manner. In this embodiment, the winding roll 6 is coaxially sleeved on the spindle 31.
The brake lever 2 is pivotally mounted to the housing 1, and the brake lever 2 swings about a second pivot axis A2, defining a first reference plane A3 perpendicular to the second pivot axis A2 and passing through the center point of the winding reel 6.
The first operating member 7 is pivotally mounted on the housing 1 to drive the winding roll 6 to rotate to pull the shift cable 61, and the first operating member 7 has a first finger surface 73.
The second operating member 8 is pivotally mounted on the housing 1 to drive the winding roll 6 to rotate and release the shift cable 61, and the second operating member 8 has a second finger surface 84.
As shown in fig. 7 to 9, the first fingering surface 73 and the second fingering surface 84 are located on a side of the first reference plane a3 away from the bicycle in a normal state; wherein the first dial face 73 swings towards the first reference plane a3 when the first operating assembly 7 is dialed; wherein the second dial face 84 swings towards the first reference plane a3 when the second operating member 8 is dialed; when the first dial surface 73 swings towards the first reference plane a3, the second dial surface 84 does not move with the first dial surface 73, so that the second dial surface 84 does not interfere with the first dial surface 73 to avoid the problem of gear shifting; wherein the second dial surface 84 is located between the second pivot axis a2 and the first dial surface 73. Therefore, the first dial surface 73 and the second dial surface 84 are both located on a side of the first reference plane a3 away from the bicycle, so that the index finger or middle finger of the user can pull the first dial surface 73 and the second dial surface 84 towards the direction of the bicycle, the use is simple and convenient, and the first dial surface 73 and the second dial surface 84 can swing freely, thereby preventing the first dial surface 73 and the second dial surface 84 from interfering with each other and affecting the smoothness of gear shifting.
Specifically, as shown in fig. 14 to 16, the speed changing structure 3 includes a second toothed disc 5, the second toothed disc 5 is sleeved on the spindle 31, and the second operating assembly 8 includes a second engaging member 82 (as shown in fig. 2 and 3); when the second operating assembly 8 is in a normal state and the winding roll 6 pulls the speed change line 61, the second gear 5 disengages from the second abutting piece 82 to rotate, and the second abutting piece 82 abuts against the second gear 5, so that the second gear 5 cannot reset and rotate; when the second operating assembly 8 is shifted and the first operating assembly 7 is in a normal state, the second engaging member 82 disengages from the second toothed disc 5 to rotate the winding reel 6 again (in the present embodiment, counterclockwise).
In addition, the second operating assembly 8 further includes a second converting element 83, the second converting element 83 is rotatably disposed in the housing 1 along the first pivot axis a1, the second operating assembly 8 includes a second shift lever 81, the second shift lever 81 is pivotally disposed in the second converting element 83 along the second pivot axis a2, the second shift surface 84 is disposed on the second shift lever 81, the second shift lever 81 and the second converting element 83 rotate along the first pivot axis a1, the second engaging element 82 is convexly disposed with a protruding point 824 facing the second converting element 83, when the second shift lever 81 is shifted, a protruding portion 831 of the second converting element 83 abuts against the protruding point 824 of the second engaging element 82, so that the second engaging element 82 swings.
Preferably, the second abutting member 82 is rotatably disposed in the housing 1 along the first pivot axis a1, the second abutting member 82 is provided with the second abutting portion 821, the second abutting portion 821 is provided with a second clamping member 822 and a third clamping member 823, the second fluted disc 5 is provided with an outer row of teeth 51 and an inner row of teeth 52, the outer row of teeth 51 and the inner row of teeth 52 are located between the second clamping member 822 and the third clamping member 823, when the second operating assembly 8 is in a normal state, the second clamping member 822 can be jumpingly clamped against the outer row of teeth 51 to enable the second fluted disc 5 to selectively rotate in a direction of pulling the shift cable 61; when the second operating assembly 8 is shifted, the second locking member 822 is disengaged from the outer gear 51 and the third locking member 823 is locked against the inner gear 52 when the second gear 5 is rotated and returned, so that the bicycle operating device can only perform a step of speed shifting operation to prevent the speed-shifting chain from disengaging from the speed-shifting gear and falling.
Further, the speed changing structure 3 includes a first fluted disc 4, the first fluted disc 4 is sleeved on the spindle 31 in a synchronous manner, the first operating assembly 7 includes a first engaging member 72, the first engaging member 72 is rotatably disposed on the housing 1 around the first pivot axis a1, when the first operating assembly 7 is pulled, the first operating assembly 7 drives the first engaging member 72 to engage with the first fluted disc 4, so as to drive the winding reel 6 to pull the speed changing line 61 (in this embodiment, clockwise), and when the first operating assembly 7 is released, the first engaging member 72 is disengaged from the first fluted disc 4.
The spindle 31 is a non-circular cylinder, a plurality of connecting holes 32 of non-circular holes are respectively formed through the first fluted disc 4, the second fluted disc 5 and the winding roll 6, the spindle 31 is formed through the plurality of connecting holes 32, and the second fluted disc 5 is located between the first fluted disc 4 and the winding roll 6, so that the above elements can rotate together.
The housing 1 is provided with a through hole 12 at an end of the first pivot axis A1 away from the brake lever 2, and the shifting cable 61 passes through the housing 1 along the through hole 12, so that the shifting cable 61 can avoid being entangled and interfered with the brake cable of the brake lever 2, and the bicycle operating device can be operated more precisely.
In the present invention, the first converting element 11 is further included, each of the first converting elements 11 is rotatably disposed on the housing 1 around the first pivot axis a1, the first operating assembly 7 includes a first shift lever 71, the first shift lever 71 is rotatably disposed on the first converting element 11 around a second pivot axis a2, the first dial surface 73 is disposed on the first shift lever 71, each of the first converting elements 11 is disposed with a limiting hole 111, the first engaging element 72 is respectively disposed with a protrusion 723 along at least one side of the first pivot axis a1, the two protrusions 723 are respectively rotatably inserted into the two limiting holes 111, each of the limiting holes 111 is disposed with a stopping edge 112, each of the protrusions 723 is normally stopped at one of the stopping edges 112, so when the first converting element 71 is shifted, the first engaging element 72 is firstly idled with respect to at least one of the first converting elements 11 (as shown in fig. 10 to 11), and when the first engaging element 72 is stopped at the first toothed disc 4, the first shift lever 71 drives the first conversion member 11 to swing, so that the first engaging member 72 drives the first toothed disc 4 to rotate in the gear shifting direction (as shown in fig. 11 to 12), and when the first shift lever 71 is released, the first engaging member 72 is disengaged from the first toothed disc 4 (as shown in fig. 13).
The first driving lever 71 is extended with two tabs 711, the two tabs 711 extend between the two first converting members 11 and are pivotally connected to the first engaging member 72, the first engaging member 72 further includes a first engaging portion 721, the first engaging portion 721 is provided with the first engaging member 722, and the first engaging member 722 is engaged with the first fluted disc 4 when the first driving lever 71 is moved. Therefore, the first shift lever 71 and the second shift lever 81 can swing respectively, and a user can immediately shift one of the first shift lever 71 and the second shift lever 81 after shifting the other, so that the shift can be switched rapidly to improve the mobility of speed change. Since the first lever 71 is rotatably disposed on the first converting member 11 about a second pivot axis a2, and the second lever 81 is pivotally disposed on the second converting member 83 along the second pivot axis a2, when the brake handle 2 is pressed to swing about the second pivot axis a2, the brake handle 2 will drive the first lever 71 and the second lever 81 to swing, so as to avoid interference.
Preferably, the mandrel 31 includes two opposite arc surfaces 311 and two opposite cutting surfaces 312, and the second conversion member 83 and the two first conversion members 11 are sleeved on the two arc surfaces 311 of the mandrel 31, so that the second conversion member 83 and the two first conversion members 11 can rotate relative to the mandrel 31; in the embodiment, the present invention further includes two bearings 13, the two bearings 13 are sleeved on the spindle 31, wherein one of the bearings 13 is clamped between the second gear 5 and the second converter 83, and the other bearing 13 is clamped between the first gear 4 and the second converter 83, so that the second converter 83 can smoothly rotate relative to the first gear 4 and the second gear 5.
The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solution of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. A bicycle operating device, comprising:
a housing mounted to a handlebar of a bicycle;
the speed change structure is arranged on the shell and comprises a winding roll and a mandrel, the winding roll is arranged on the mandrel and is provided with a speed change wire in a winding way, the axial direction of the mandrel defines a first pivot axis, and the winding roll can rotate around the first pivot axis in a recovering way;
the brake handle is pivoted on the shell and swings around a second pivot axis to define a first reference plane which is vertical to the second pivot axis and passes through the central point of the winding roll;
a first operating component, which can be pivoted on the shell in a recovering way to drive the winding roll to rotate so as to pull the speed change line, and is provided with a first finger-dial surface;
a second operating component which can be pivoted on the shell in a recovering way so as to drive the winding roll to reset and rotate to release the speed change line, wherein the second operating component is provided with a second dial surface;
the first dial surface and the second dial surface are both positioned on one side of the first reference plane far away from the bicycle in a normal state;
when the first operating assembly is shifted, the first shifting surface swings towards the first reference plane;
when the second operating assembly is shifted, the second dial face swings towards the first reference plane;
when the first dial face swings towards the first reference plane, the second dial face does not move with the first dial face;
wherein the second dial surface is located between the second pivot axis and the first dial surface.
2. The bicycle operating device according to claim 1, wherein the winding reel is co-operatively sleeved on the spindle.
3. The bicycle operating device according to claim 1, wherein the shifting structure includes a second cog that is co-operatively engaged with the spindle.
4. The bicycle operating device according to claim 3, wherein the second operating member includes a second engaging member; when the second operating assembly is in a normal state and the winding roll pulls the speed change line, the second gear disc is disengaged from the second clamping and abutting piece to rotate, and the second clamping and abutting piece is clamped to the second gear disc so that the second gear disc cannot reset and rotate; when the second operating assembly is pulled and the first operating assembly is in a normal state, the second clamping and abutting piece jumps off the second fluted disc to enable the winding roll to reset and rotate.
5. The bicycle operating device according to claim 4, wherein the second operating assembly further includes a second switching element, the second switching element is rotatably disposed in the housing along the first pivot axis, the second operating assembly includes a second lever pivotally disposed on the second switching element along the second pivot axis, the second lever surface is disposed on the second lever, the second lever and the second switching element rotate along the first pivot axis simultaneously, the second engaging element has a protruding point protruding toward the second switching element, and when the second lever is moved, a protruding point of the second switching element abuts against the protruding point of the second engaging element to swing the second engaging element.
6. The bicycle operating device according to claim 5, wherein the second engaging member is rotatably disposed in the housing along the first pivot axis, the second engaging member has the second engaging portion, the second engaging portion has a second engaging member and a third engaging member, the second gear has an outer rack and an inner rack, the outer rack and the inner rack are disposed between the second engaging member and the third engaging member, and when the second operating member is in a normal state, the second engaging member is disengageably engaged with the outer rack so that the second gear can selectively rotate in a direction of pulling the shift cable; when the second operating assembly is shifted, the second clamping piece is separated from the outer gear row, and the third clamping piece is clamped against the inner gear row when the second gear plate is reset and rotates.
7. The bicycle operating device according to claim 3, wherein the speed changing structure includes a first toothed disc, the first toothed disc is coaxially sleeved on the spindle, the first operating assembly includes a first engaging member, the first engaging member is rotatably disposed on the housing about the first pivot axis, when the first operating assembly is shifted, the first operating assembly drives the first engaging member to engage with the first toothed disc to drive the winding reel to pull the speed changing cable, and when the first operating assembly is released, the first engaging member disengages from the first toothed disc.
8. The bicycle operating device according to claim 7, wherein the spindle is a non-circular cylinder, the first cog, the second cog and the winding reel are respectively formed with a plurality of holes, the spindle is formed through the plurality of holes, and the second cog is disposed between the first cog and the winding reel.
9. The bicycle operating device according to claim 1, wherein the housing is provided with a through hole along an end of the first pivot axis away from the brake lever, and the shift cable passes out of the housing along the through hole.
10. The bicycle operating device according to claim 6, wherein the winding reel is coaxially sleeved on the spindle; the speed change structure comprises a first fluted disc which is sleeved on the mandrel in a synchronous manner, the first operating assembly comprises a first clamping part which is rotationally arranged on the shell around the first pivot axis, when the first operating assembly is shifted, the first operating assembly drives the first clamping part to be clamped with the first fluted disc so as to drive the winding disc to pull the speed change line, and when the first operating assembly is released, the first clamping part is separated from the first fluted disc; the first operating assembly comprises a first driving lever, the first poking face is arranged on the first driving lever, each first switching piece is provided with a limiting hole, the first clamping piece is respectively provided with a lug along at least one side of the first pivot axis, the two lugs are respectively and rotatably inserted into the two limiting holes, each limiting hole is provided with a stopping edge, and each lug stops at one stopping edge under normal state; the first driving lever is provided with two lugs in an extending manner, the two lugs extend between the two first conversion pieces and are pivoted with the first clamping and abutting piece, the first clamping and abutting piece further comprises a first clamping and abutting part, the first clamping and abutting part is provided with a first clamping piece, and the first clamping piece is clamped with the first fluted disc when the first driving lever is shifted; the mandrel is a non-circular cylinder, a group of connecting holes of the non-circular hole are respectively formed in the first fluted disc, the second fluted disc and the winding roll in a penetrating mode, the mandrel is arranged in the group of connecting holes in a penetrating mode, and the second fluted disc is located between the first fluted disc and the winding roll; the shell is provided with a through hole along one end of the first pivot axis far away from the brake handle, and the speed change line penetrates out of the shell along the through hole; the mandrel comprises two opposite cambered surfaces and two cutting surfaces, and the second conversion piece and the two first conversion pieces are sleeved on the two cambered surfaces of the mandrel; the second conversion piece is connected with the first fluted disc and the second fluted disc, and the second conversion piece is connected with the first fluted disc and the second fluted disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054558.2A CN114475904B (en) | 2022-01-18 | Bicycle operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054558.2A CN114475904B (en) | 2022-01-18 | Bicycle operating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114475904A true CN114475904A (en) | 2022-05-13 |
| CN114475904B CN114475904B (en) | 2024-04-19 |
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| TWM509174U (en) * | 2015-03-30 | 2015-09-21 | Ad Ii Engineering Inc | Winding unit of bicycle gearshift operating mechanism and bicycle gearshift operating mechanism with the winding unit thereof |
| US20180215439A1 (en) * | 2017-01-27 | 2018-08-02 | Shimano Inc. | Bicycle operating device |
| JP2019177847A (en) * | 2018-03-30 | 2019-10-17 | 株式会社シマノ | Control device and component system |
| CN209889047U (en) * | 2018-07-25 | 2020-01-03 | 彦豪金属工业股份有限公司 | Brake speed change assembly |
| CN210310754U (en) * | 2019-06-26 | 2020-04-14 | 台湾微转股份有限公司 | Bicycle operating device |
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