CN209366365U - A kind of drive mechanism of bicycle - Google Patents

A kind of drive mechanism of bicycle Download PDF

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Publication number
CN209366365U
CN209366365U CN201821741480.7U CN201821741480U CN209366365U CN 209366365 U CN209366365 U CN 209366365U CN 201821741480 U CN201821741480 U CN 201821741480U CN 209366365 U CN209366365 U CN 209366365U
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transmission
gear
drive mechanism
connector
elastic component
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CN201821741480.7U
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Chinese (zh)
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罗立元
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Shenzhen Nanbo Automation Equipment Co Ltd
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Shenzhen Nanbo Automation Equipment Co Ltd
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Priority to CN201821741480.7U priority Critical patent/CN209366365U/en
Priority to US16/199,541 priority patent/US10882586B2/en
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Abstract

The utility model discloses a kind of drive mechanisms of bicycle, are related to bicycle pedal resetting technique field.The drive mechanism includes two gear units being oppositely arranged, gear unit includes linear reciprocation stampede body, the transmission module with the transmission connection of linear reciprocation stampede body, and the reseting module being connect with transmission module, the transmission module of two gear units connects a power take-off mechanism by one-way driving mechanism, transmission module includes the first driven wheel and the first transmission gear with the coaxial arrangement of the first driven wheel, reseting module includes connector and elastic component, connector is connect with the first transmission gear, and elastic component is connect with connector.The drive mechanism of the bicycle of the utility model can realize that the reset of foot pedal is returned just by reseting module, while be cooperated by the transmission of elastic component and the first transmission gear and connector, and the reset of foot pedal can be realized with very short process, time saving and energy saving.

Description

A kind of drive mechanism of bicycle
Technical field
The utility model relates to bicycle pedal resetting technique fields, and in particular to one kind can be realized with very short process The reset of foot pedal has and saves space, the drive mechanism of the bicycle of time saving and energy saving feature.
Background technique
Bicycle generates the vehicles of onward impulse as a kind of trample with manpower, with other vehicles such as motor vehicle Meet the trip of people together, but existing bicycle using front and back side sprocket wheel and be connected on the sprocket wheel of front and back Gear be driven, drive rear-wheel to obtain onward impulse by strength of one's legs, for a long time trample and to be easy to cause leg muscle overwork acid Bitterly.
Utility model content
In order to solve defect existing for above-mentioned technology, the utility model is provided a kind of can be realized with very short process and ridden The reset of plate has and saves space, the drive mechanism of the bicycle of time saving and energy saving feature.
The utility model realizes that technical solution used by above-mentioned technical effect is:
A kind of drive mechanism of bicycle, the gear unit being oppositely arranged comprising two, the gear unit include that straight line is past Multiple stampede body, the transmission module with linear reciprocation stampede body transmission connection, the transmission module of two gear units Pass through one-way driving mechanism and connect a power take-off mechanism, wherein the gear unit also includes and gear unit described in this The reseting module that transmission module is connected.
Preferably, the transmission module include the first driven wheel and with first driven wheel coaxial arrangement the One transmission gear, the reseting module include connector and elastic component, and the connector is connect with first transmission gear, institute Elastic component is stated to connect with the connector.
Preferably, the transmission module also includes the second driven wheel and transmission joint, first driven wheel It is connect with second driven wheel by the transmission joint.
Preferably, the transmission joint is equipped with the auxiliary wheel being rotatablely connected with it.
Preferably, the linear reciprocation stampede body includes the linear guide of straight line setting and leads with the straight line The foot pedal that rail is slidably connected, the linear guide is parallel with the side of the transmission joint, the foot pedal with it is described The side of transmission joint is fixedly connected.
Preferably, the connector is a gear engaging plate, the gear engaging plate is by being fixed on vehicle frame Shaft rotation connection, one end of the gear engaging plate is along equipped with the driving cog being sequentially connected with first transmission gear, institute The other end for stating gear engaging plate is equipped with the mounting part being rotatablely connected with the end.
Preferably, the other end of the elastic component of two gear units is connect with a fixing piece.Preferably, The fixing piece be an adjustable fixing piece, including fixing seat, conical screw,
Fixing head, elongated insertion part, two adjusting screw rods and two sliding parts, the fixing seat are equipped with to wear for screw thread and connect described in two Two adjusting screw rod holes of adjusting screw rod and the screw hole for connecing the conical screw is worn for screw thread, two sliding parts respectively can It is slidably socketed on the fixing seat, and is located between the corresponding adjusting screw rod hole and the screw hole, the fixation Head thread is connected to the lower end of the adjusting screw rod and is fixedly connected with the other end of the elastic component, and the locking head thread connects It connects in the lower end of the conical screw.
Preferably, being equipped with process between the connector and first transmission gear amplifies gear set.
Preferably, the elastic component is selected from one of tension spring, pressure spring, wind spring, spring and torsional spring.
The utility model has the following beneficial effects: the drive mechanism of the bicycle of the utility model can be realized by reseting module The reset of foot pedal is returned just, while being cooperated by the transmission of elastic component and the first transmission gear and connector, can be with very short Process realizes the reset of foot pedal, time saving and energy saving.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the drive mechanism of the bicycle of an embodiment of the present invention;
Fig. 2 is the structure chart of the one side of gear unit in an embodiment of the present invention;
Fig. 3 is the structure chart of the another side of gear unit in an embodiment of the present invention;
Fig. 4 is the transmission that process amplifies gear set and connector and the first transmission gear in an embodiment of the present invention Connection structure diagram;
Fig. 5 is the structure chart of connector in an embodiment of the present invention;
Fig. 6 is that power take-off mechanism is located at the structure chart on the outside of gear unit in an embodiment of the present invention;
Fig. 7 is the structure that transmission joint is equipped with the auxiliary wheel being rotatablely connected with it in an embodiment of the present invention Figure;
Fig. 8 is the structure chart that elastic component upper end is fixed with adjustable fixing piece in an embodiment of the present invention;
Fig. 9 is the three-dimensional structure diagram that fixing piece is adjustable fixing piece in an embodiment of the present invention;
Figure 10 is the three-dimensional structure diagram that two elastic components connect adjustable fixing piece in an embodiment of the present invention;
Figure 11 is the detonation configuration figure of adjustable fixing piece in an embodiment of the present invention;
Figure 12 is the gear unit side that connector is directly engaged with the first transmission gear in an embodiment of the present invention The structure chart in face.
Specific embodiment
It is practical to this referring to Figure of description and specific embodiment to make to make the utility model further understanding It is novel to be described further:
It as shown in Figure 1 to Figure 3, is the schematic diagram of the drive mechanism of the bicycle of an embodiment of the present invention, this is foot-operated The drive mechanism of vehicle includes two gear units 100 being oppositely arranged.Gear unit 100 includes linear reciprocation stampede body and should The transmission module 1 of linear reciprocation stampede body transmission connection, the transmission module 1 of two gear units 100 pass through one-way driving mechanism A power take-off mechanism 6 is connected, power of riding is obtained to the wheel being sequentially connected with it by the power take-off mechanism 6.Transmission The also reseting module comprising being connected with the transmission module 1 of the gear unit 100 of unit 100.Transmission module 1 include first from Driving wheel 11 and the first transmission gear 111 with first driven wheel 11 coaxial arrangement, the first transmission gear 111 are first driven with this 11 linkage of wheel.Reseting module includes connector 2 and elastic component 3, wherein the connector 2 and the transmission of the first transmission gear 111 connect It connects, elastic component 3 is connect with connector 2.
In some embodiments, transmission module 1 includes also the second driven wheel 12 and transmission joint 13, and first is driven Wheel 11 is connect with the second driven wheel 12 by the transmission joint 13.One-way driving mechanism is fixed on the axis of the second driven wheel 12 On 121, two corresponding second driven wheels 12 in two gear units 100, which synchronize, to be fixed on axis 121.The one-way driving mechanism is Two driven wheels 12 just rotate synchronously therewith when rotating towards some fixed-direction, and power take-off mechanism 6 is with 12 turns of the second driven wheel It is dynamic, rotating torque is externally exported, the wheel for connecting power take-off mechanism 6 is made to obtain the rotatory force ridden.In the second driven wheel 12 When rotating backward, the one-way driving mechanism not with the second driven wheel 12 rotate, correspondingly, power take-off mechanism 6 at this time also not with The rotation of second driven wheel 12.Figures 1 and 2 show that power take-off mechanism 6, the power take-off mechanism 6 is not shown in Fig. 3, Fig. 1 extremely In embodiment shown in Fig. 3, the power take-off mechanism 6 of the drive mechanism of the bicycle of the utility model is sequentially connected in axis 121 Medium position, that is, be located at two gear units 100 in two corresponding second driven wheels 12 between.In some embodiments, for another example Shown in Fig. 1 to Fig. 3, power take-off mechanism 6 includes the first output wheel 61 being fixed on axis 121, for the wheel with bicycle Second output wheel 62 of transmission connection, and the driving chain on the first output wheel 61 and the second output wheel 62 that is sequentially connected, Second output wheel 62 coaxially fixes dynamic transfer wheel 621, connects the wheel of power transfer wheel 621 and bicycle by chain Power output can be realized in shaft end gear disk.Specifically, the first output wheel 61 and one-way driving mechanism in power take-off mechanism 6 Connection.
In some embodiments, as shown in Figures 2 and 3, the side of transmission joint 13 is equipped with parallel with the side straight Line guide rail 4 slidably connects foot pedal 5 in the linear guide 4, and foot pedal 5 is fixedly connected with the side of transmission joint 13. Specifically, the length direction straight line of linear guide 4 is downward, it is preferably normal to the vertical direction of horizontal plane, so set, convenient Straight line is trampled downward, is ridden more laborsaving.Foot pedal 5 is connected with sliding block 51, which is slidably fixed to linear guide 4 On, 51 side of sliding block is equipped with fixed block 52, and fixed block 52 is fixed on transmission joint 13.In some embodiments, specifically , transmission joint 13 in transmission module 1 is a chain, and linear guide 4 is parallel with the side of the chain, fixed block 52 and The side of chain is fixed.Correspondingly, when transmission joint 13 is chain, the first driven wheel 11, the second driven wheel 12 are chain Wheel.In some other embodiments, transmission joint 13 is also possible to driving belt, correspondingly, in transmission joint 13 When for driving belt, the first driven wheel 11, the second driven wheel 12 are driving wheel, and the transmission joint 13 of belt composition is on the one hand The weight of transmission module can also be mitigated.Specifically, linear guide 4 is vertically arranged, and it is driven that the second driven wheel 12 is located at first The top of wheel 11, the two are parallel with the linear guide 4 in the tangent line close to 4 side of linear guide.The setting so that foot pedal 5 by Power can move downward when being trampled along vertical linear guide 4, in the chain segment for corresponding to the chain of 4 side of linear guide and be somebody's turn to do Linear guide 4 is parallel opposite, when so that foot pedal 5 moving in the vertical direction, foot pedal 5 and chain can be remained opposite Spacing distance between the chain segment of 4 side of linear guide is constant.Meanwhile linear guide 4 and chain are in the opposite linear guide 4 The chain segment of side keeps the parallel of vertical direction, and the active force being applied on chain through foot pedal 5 may make all to act on Component in the vertical direction of motion, without generating horizontal direction.
When foot pedal 5 is trampled downwards, the band of the first driven wheel 11 and the second driven wheel 12 in transmission joint 13 It being rotated counterclockwise under dynamic, the second driven wheel 12 and its axis 121 are fixed, in linkage, the fixed company of axis 121 with second driven wheel 12 The one-way driving mechanism connect also rotates counterclockwise, and then one-way driving mechanism drives 6 inverse time of power take-off mechanism connected to it Needle is rotated, and obtains onward impulse at this time with the structure of the power take-off mechanism 6 transmission connection.At the same time, it is passed with first The connector 2 of the transmission engagement of moving gear 111 also rotates clockwise one under the drive of the first transmission gear 111 rotated counterclockwise A angular displacement, so that elastic component 3 obtains a stretching or compressive deformation, i.e. reseting module has an elastic potential energy.
It is unclamping to foot pedal 5 when trampling, elastic component 3 restores elastic deformation, elastic potential energy release, band follower link 2 Reset is rotated counterclockwise, the first transmission gear 111 being sequentially connected with connector 2 also rotates clockwise, with the first transmission gear First driven wheel 11 of 111 coaxial linkages also rotates clockwise, thus drive transmission joint 13 along indicators turn, thus, Transmission joint 13 drives the second driven wheel 12 to rotate clockwise, under the single-direction transmission effect of one-way driving mechanism, only Second driven wheel 12 is rotating clockwise, and be connected to the power take-off mechanism 6 of the one-way driving mechanism thereon be it is non-rotating, After elastic component 3 releases elastic potential energy, transmission joint 13 rotates clockwise reset, is connected on transmission joint 13 Foot pedal 5 be also reset to the initial position before trampling.In some embodiments, specifically, which can be Unilateral bearing, one-way clutch etc. have the device of single-direction transmission, and the embodiments of the present invention select a brand for GMN, type Number for FE 410Z2 unilateral bearing as exemplary illustration.The axis 121 and the inner ring of unilateral bearing of second driven wheel 12 are fixed It connects, the first output wheel 61 in power take-off mechanism 6 is fixedly connected with the outer ring of unilateral bearing.In the axis of the second driven wheel 12 121 when rotating counterclockwise, and the inner ring of unilateral bearing and outer ring lock (single-direction transmission), at this point, inner ring and outer ring opposite can not turn It is dynamic, drive outer ring to rotate counterclockwise with the inner ring that the axis 121 of the second driven wheel 12 rotates together, first be fixedly connected with outer ring Output wheel 61 also rotates synchronously, external output torque.When the axis 121 of the second driven wheel 12 rotates clockwise, unilateral bearing Inner ring can be rotated relative to its outer ring, at this point, outer ring does not lock with inner ring, outer ring does not follow rotation, be fixedly connected with outer ring The first output wheel 61 also do not rotate, at this time power take-off mechanism 6 without rotating torque export.
On the basis of the drive mechanism of bicycle shown in Fig. 1, the utility model be also proposed based on the bicycle Some other embodiment of drive mechanism, lower mask body combination other accompanying drawings say some embodiments of the utility model It is bright.
It refers to shown in Fig. 4 and Fig. 5, in some embodiments, which is a gear engaging plate 21, and gear is nibbled Plywood 21 is rotatablely connected by the shaft 211 being fixed on vehicle frame, and one end edge of gear engaging plate 21 is equipped with and the first driving cog The driving cog 212 of 111 transmission connection of wheel, the other end and elastic component 3 of gear engaging plate 21 are rotatablely connected, in some embodiments In, the end of gear engaging plate 21 is rotatably connected to mounting part 10.One end of the elastic component 3 of two gear units 100 is solid with one Determine part connection, the other end and mounting part 10 mount.
Further, in some embodiments, referring to Figure 1 shown in 0 and Figure 11, fixing piece one
Adjustable adjustable fixing piece 7,3 one end of elastic component are articulated on mounting part 10, and the other end is adjustably articulated in this On adjustable fixing piece 7.This is adjustable, and fixing piece 7 includes fixing seat 71, conical screw 73, fixing head 76, the adjusting spiral shell of elongated insertion part 75, two Bar 72 and two sliding parts 74.Fixing seat 71 be equipped with for screw thread wear the two adjusting screw rod holes 712 for connecing two adjusting screw rods 72 and The screw hole 711 for connecing conical screw 73 is worn for screw thread, as shown in Figure 10, two sliding parts 74 are respectively slidably socketed in fixation It is corresponding to two by corresponding two sliding part 74 on seat 71, and between corresponding adjusting screw rod hole 712 and screw hole 711 Adjusting screw rod 72 is connected and fixed.Fixing head 76 is threaded in the lower end of adjusting screw rod 72 and the other end with elastic component 3 It is fixedly connected, elongated insertion part 75 is threaded in the lower end of conical screw 73.The adjusting screw rod 72 is adjusted by adjusting screw rod 72 Head and the distance between fixing head 76, that is, turn the adjusting screw rod 72 and be allowed to the body of rod and screw in fixing head 76, to adjust bullet The distance between the upper end of property part 3 and fixing seat 71, the predetermined deformation quantity of elastic component 3 is adjusted with this.Needing to adjust the tune When saving screw rod 72, by the up and down motion of conical screw 73, its conical nose is made to force 74 squeeze adjustments screw rod 72 of sliding part Head can preferably be protected to locking 72 clamping of adjusting screw rod connecting with elastic component 3 by the adjustable fixing piece 7 Elastic component 3, prolongs its service life.
Further, in some embodiments, shown in Figure 3, it is set between connector 2 and the first transmission gear 111 There is process to amplify gear set 8.Specifically as shown in figure 4, process amplification gear set 8 includes the first amplification gear 81 and the second amplification Gear 82 is coaxially fixed with the first meshing gear on first amplification gear 81, is coaxially fixed with second on the second amplification gear 82 Meshing gear 821.First amplification gear 81 is engaged with the first transmission gear 111, the second amplification gear 82 and the first meshing gear Engagement, the second meshing gear 821 are engaged with connector 2.The diameter of first amplification gear 81 and the second amplification gear 82 is all larger than First meshing gear, the second meshing gear 821 and the first transmission gear 111, realize the amplification to process by big pinion gear, It elastic component 3 may be implemented need to carry out the elastic deformation of very little that the reset of foot pedal 5 can be made, extend the use of elastic component 3 Service life.
In some embodiments, as shown in fig. 6, the outer end of axis 121 is arranged in power take-off mechanism 6, i.e., two second is driven 12 one of them outside of wheel.Again shown in Fig. 9 as shown in Figure 7, Figure 8 and Figure 9, auxiliary wheel 9 is rotatably connected on transmission joint 13, it should Transmission joint 13 is carried out position adjustment by auxiliary wheel 9, and what is arranged is more neat, reduction the space occupied, avoid and its He interferes component.When transmission joint 13 is chain, correspondingly, auxiliary wheel 9 is sprocket wheel, in transmission joint 13 When for belt, correspondingly, auxiliary wheel 9 is belt pulley.
In some embodiments, as shown in Fig. 1 to Fig. 3, Fig. 6 and Fig. 7, it is connected to the fixing piece of 3 other end of elastic component also It can be fixed link 7a, fixed link 7a fixation is unadjustable.As shown in Figure 8 and Figure 9, thus it is shown that an implementation of the utility model Example, what elastic component 3 configured is adjustable fixing piece 7 and process amplification gear set 8, is protected by dual adjusting, can be preferably Extend the service life of elastic component 3.In some embodiments, elastic component 3 can be selected from tension spring, pressure spring, wind spring, spring and torsional spring its One of.
In some embodiments, as shown in figure 12, Figure 12 shows that connector 2 is directly nibbled with the first transmission gear 111 The structure chart of the one side of the gear unit 100 of conjunction.In the specific embodiment, the connector 2 of gear unit 100 and first Transmission gear 111 directly engages, and centre is not provided with process amplification gear set 8, and the other end of gear engaging plate 21 and elastic component 3 It is directly rotatablely connected, i.e. 3 one end of elastic component is directly articulated on the hanging hole at 21 end of gear engaging plate.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention, the requires of the utility model Protection scope defined by appended claims and its equivalent.

Claims (10)

1. a kind of drive mechanism of bicycle, the gear unit being oppositely arranged comprising two, the gear unit include linear reciprocation Stampede body, the transmission module with linear reciprocation stampede body transmission connection, the transmission module of two gear units are logical It crosses one-way driving mechanism and connects a power take-off mechanism, it is characterised in that:
The gear unit also includes the reseting module being connected with the transmission module of gear unit described in this.
2. the drive mechanism of bicycle according to claim 1, it is characterised in that: the transmission module include first from Driving wheel and the first transmission gear being coaxially disposed with first driven wheel, the reseting module include connector and elastic component, The connector is connect with first transmission gear, and the elastic component is connect with the connector.
3. the drive mechanism of bicycle according to claim 2, it is characterised in that: the transmission module also include second from Driving wheel and transmission joint, first driven wheel are connect with second driven wheel by the transmission joint.
4. the drive mechanism of bicycle according to claim 3, it is characterised in that: the transmission joint is equipped with and it The auxiliary wheel of rotation connection.
5. the drive mechanism of bicycle according to claim 1, it is characterised in that: the linear reciprocation stampede body includes The linear guide of one straight line setting and the foot pedal being slidably connected with the linear guide, the linear guide and the transmission connect The side of connection device is parallel, and the foot pedal is fixedly connected with the side of the transmission joint.
6. the drive mechanism of bicycle according to claim 2, it is characterised in that: the connector is gear engagement Plate, the gear engaging plate are rotatablely connected by the shaft that is fixed on vehicle frame, one end of the gear engaging plate along be equipped with The driving cog of the first transmission gear transmission connection, the other end of the gear engaging plate are equipped with the extension being rotatablely connected with the end Socket part.
7. the drive mechanism of bicycle according to claim 2 or 4, it is characterised in that: the elasticity of two gear units The other end of part is connect with a fixing piece.
8. the drive mechanism of bicycle according to claim 7, it is characterised in that: the fixing piece is an adjustable fixation Part, including fixing seat, conical screw, fixing head, elongated insertion part, two adjusting screw rods and two sliding parts, the fixing seat, which is equipped with, to be used Wear the screw hole for connecing two adjusting screw rod holes of two adjusting screw rods and wearing for screw thread and connecing the conical screw in screw thread, two The sliding part is respectively slidably socketed on the fixing seat, and is located at the corresponding adjusting screw rod hole and the screw Between hole, the fixing head is threaded in the lower end of the adjusting screw rod and is fixedly connected with the other end of the elastic component, The elongated insertion part is threaded in the lower end of the conical screw.
9. the drive mechanism of bicycle according to claim 8, it is characterised in that: the connector and first transmission It is equipped with process between gear and amplifies gear set.
10. the drive mechanism of bicycle according to claim 2, it is characterised in that:
The elastic component is selected from one of tension spring, pressure spring, wind spring, spring and torsional spring.
CN201821741480.7U 2018-10-25 2018-10-25 A kind of drive mechanism of bicycle Active CN209366365U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201821741480.7U CN209366365U (en) 2018-10-25 2018-10-25 A kind of drive mechanism of bicycle
US16/199,541 US10882586B2 (en) 2018-10-25 2018-11-26 Transmission structure for bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821741480.7U CN209366365U (en) 2018-10-25 2018-10-25 A kind of drive mechanism of bicycle

Publications (1)

Publication Number Publication Date
CN209366365U true CN209366365U (en) 2019-09-10

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Application Number Title Priority Date Filing Date
CN201821741480.7U Active CN209366365U (en) 2018-10-25 2018-10-25 A kind of drive mechanism of bicycle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109383691A (en) * 2018-10-25 2019-02-26 深圳市南博自动化设备有限公司 A kind of drive mechanism of bicycle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109383691A (en) * 2018-10-25 2019-02-26 深圳市南博自动化设备有限公司 A kind of drive mechanism of bicycle
WO2020083320A1 (en) * 2018-10-25 2020-04-30 深圳市南博自动化设备有限公司 Bicycle transmission structure
CN109383691B (en) * 2018-10-25 2024-01-26 深圳市南博自动化设备有限公司 Transmission structure of bicycle

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