A bicycle based on an adaptive gearing mechanism

Abstract

The application relates to the field of bicycles, and particularly discloses a bicycle based on an adaptive gear shifting mechanism, which comprises a bridge one, a support column is fixedly connected to the tail end of the bridge one, a front support column is welded to the front end of the support column, a clamp is fixedly connected to the top end of the front support column, a handlebar is fixedly connected to the front end of the clamp, a plug holder is fixedly connected to the bottom end of the front support column, a front tire is installed at the bottom of the plug holder, and a clamp is fixedly connected to the middle part of the outer wall of the handlebar. The bicycle based on the adaptive gear shifting mechanism can make the chain fluctuate inward and upward after the guard frame swings, i.e. the guard frame is adjusted upward, the chain can be displaced at the chain wheel two part, gear shifting can be realized, and the telescopic mechanism of the telescopic rod is adopted, when the chain is not adjusted to the sprocket tooth of the flywheel during gear shifting, the telescopic rod is reset, and the chain can be input to the sprocket tooth of the flywheel with a small amplitude.

Description

Technical Field

[0001] This invention relates to the field of bicycles, specifically a bicycle based on an adaptive gear shifting mechanism. Background Technology

[0002] The drivetrain is one of the most important parts of a bicycle, and the gear kit plays an even more crucial role.

[0003] Chain drop is one of the most common problems encountered in cycling. If the chain frequently drops, it indicates a problem with the coordination between the derailleur and the freewheel. The guide pulley and the freewheel are not in the same plane, causing the chain to fall off the freewheel. Similarly, observe whether the smallest sprocket of the guide pulley and the freewheel is in the same vertical plane. If the guide pulley is too far out, it will cause this type of chain drop. The above-mentioned issues and how to avoid chain drop are problems that should be solved now, because in automatic speed control, the chain is most likely to drop when the chain changes position on the freewheel after the gear speed is adjusted. Summary of the Invention

[0004] The purpose of this invention is to provide a bicycle based on an adaptive gear shifting mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A bicycle based on an adaptive gear shifting mechanism includes a bridge frame, a support column fixedly connected to the rear end of the bridge frame, a front support post welded to the front end of the support column, a clamp fixedly connected to the top end of the front support post, a handlebar fixedly connected to the front end of the clamp, a bracket fixedly connected to the bottom end of the front support post, a front tire mounted on the bottom of the bracket, a clamp fixedly connected to the middle of the outer wall of the handlebar, handbrakes mounted on the left and right sides of the outer wall of the handlebar, a brake element mounted on one end of each of the two handbrakes, and a rear tire positioned behind the front tire. Both the axle and the rear tire axle are equipped with support rod discs. The brake is located on the outer wall of the support rod disc. One end of the brake is fixedly connected to a connecting block, and one end of the connecting block is fixedly connected to the brake. A bridge frame is fixedly connected to the upper part of the outer wall of the front strut. A support column is welded to one end of the bridge frame. An arc-shaped frame is installed in the middle of the outer wall of the support column. An upper bracket is hinged to the tail end of the arc-shaped frame. A lower bracket is fixedly connected to the tail end of the upper bracket. An axle disc is installed on the front part of the outer wall of the lower bracket. A foot pedal is installed at the axle of the axle disc.

[0007] As a further embodiment of the present invention: a building spring is installed at the front end of the arc-shaped frame through a hinge, an arc-shaped strip is hinged to the bottom of the building spring, a support column is fixedly connected to the middle part of the arc-shaped strip, the top end of the support column is welded and fixed to the bottom end of the support column, and the bottom end of the arc-shaped strip is fixedly connected to the support beam and the lower frame, and the front end of the support beam is welded and fixed to the rear part of the outer wall of the front support column.

[0008] As a further embodiment of the present invention: a connecting shaft one is installed at the tail of the outer wall of the lower frame, an outer disk is fixedly connected to one end of the connecting shaft one, a bearing is installed at the axial center of the outer disk, a connecting cylinder is installed at the axial center of the bearing via a shaft rod, an inner shaft wheel is installed at the axial center of the connecting cylinder, a shaft head is fixedly connected to the end of the inner shaft wheel, and a connecting shaft two is installed at the axial center of the shaft head.

[0009] As a further embodiment of the present invention: a second sprocket is fixedly connected to the outer wall of the connecting cylinder, a chain is driven on the outer wall of the second sprocket, and a first sprocket is installed at the other end of the chain. The upper and lower parts of the outer wall of the first sprocket are provided with external inclined bars, and one end of the external inclined bar is fixedly connected to the outer wall of the lower frame through a support member.

[0010] As a further embodiment of the present invention: a speed regulator is provided on one side of the handbrake, a cap is installed on the tension end of the speed regulator, a flexible tube is installed on the outer wall of the cap, an opening fixing block is fixedly connected to the bottom end of the cap, and the flexible tube is fixed between the opening fixing block and the handbrake.

[0011] As a further embodiment of the present invention: a connector is provided at the lower part of the shaft disk, one end of the connector is fixedly connected to the outer wall of the lower frame, a hinge is hinged at the bottom end of the connector, an opening fixing block is provided at the bottom end of the hinge, the opening fixing block is fixedly connected to the hinge, and a connecting hole is provided on the upper part of the outer wall of the opening fixing block.

[0012] As a further embodiment of the present invention: a welded component is fixedly connected to the lower surface of the hole fixing block, a hinge frame is installed at the bottom end of the welded component, a top block is hinged to one end of the hinge frame, a hinge arc strip is hinged to the lower rear part of the top block, and a connecting rod is hinged to one end of the hinge arc strip.

[0013] As a further embodiment of the present invention: a telescopic rod is hinged to the lower surface of the welded part, a push rod is installed at the telescopic end of the telescopic rod, one end of the push rod is hinged and fixed to the upper part of the outer wall of the top block, an adjustment frame is installed at the bottom end of the top block, a protective frame is fixedly connected to the bottom end of the adjustment frame, and a chain wheel is installed on the inner frame of the protective frame.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In this invention, after the connecting rod is adjusted, the hinged arc strip is driven to swing. Since the bottom end of the hinged arc strip is hinged to the lower part of the outer wall of the top block, and the telescopic rod connected to the outer wall of the top block is connected to the welded part, the swing of the hinged arc strip pulls the top block to swing. At the same time, after the top block swings, its telescopic rod retracts, and the adjustment frame and guard frame connected to the bottom end of the top block will also swing. The inner groove of the guard frame is connected to a chain disc, which is used to drive the chain. After the guard frame swings, that is, the guard frame is adjusted upward, it will push the chain inward and upward. The chain will be displaced at the second part of the sprocket, thus realizing gear shifting. At the same time, the telescopic rod telescopic mechanism is used. When the chain is not adjusted to the flywheel teeth during gear shifting, the chain can be fed into the flywheel teeth with a small amplitude after the telescopic rod is reset. Its structure is more optimized and the design is more reasonable.

[0016] In this invention, the support column installed at the bottom of the support column is fixed in conjunction with the arc-shaped strip, the support beam, and the upper part of the lower frame. At the same time, the front end of the support column is fixed to the building spring, thereby achieving shock absorption of the vehicle frame. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a bicycle based on an adaptive transmission mechanism.

[0018] Figure 2 This is a rear assembly diagram of a bicycle's middle bridge based on an adaptive gear shifting mechanism.

[0019] Figure 3 This is an assembly diagram of a bicycle frame and its components based on an adaptive gear shifting mechanism.

[0020] Figure 4 This is an assembly drawing of the top block and welded parts of a bicycle based on an adaptive gear shifting mechanism.

[0021] Figure 5 This is a structural diagram of a connecting cylinder in a bicycle based on an adaptive gear shifting mechanism.

[0022] Figure 6 This is a structural diagram of an adjustment component and its connecting components in a bicycle based on an adaptive gear shifting mechanism.

[0023] Figure 7 This is a structural diagram of a bicycle frame based on an adaptive gear shifting mechanism.

[0024] In the diagram: 1. Cable tray 1, 2. Arc frame, 3. Support column, 4. Support beam, 5. Building spring, 6. Insert bracket, 7. Front support column, 8. Handle, 9. Speed ​​controller, 10. Upper bracket, 11. Shaft disc, 12. Foot pedal, 13. Sprocket 1, 14. Lower frame, 15. Connecting shaft 1, 16. Rear tire, 17. Front tire, 18. Support rod disc, 19. Wire drawing tube, 20. Clamp, 21. Handbrake, 22. Seat, 23. Support column, 24. Sprocket 2, 25. Adjusting frame, 26. Shaft head, 27. Connecting cylinder, 28. Bearing, 29. Outer disc, 30. Connecting shaft 2, 31. Inner shaft wheel, 32. Outer diagonal strip, 33. Flexible hose, 34. Hinge, 35. Top block, 36. Chain disc, 37. Protective frame, 38. Welded parts, 39. Connecting parts, 40. Opening fixing block, 41. Cap, 42. Push rod, 43. Hinge frame, 44. Telescopic rod, 45. Connecting rod, 46. Hinge arc strip. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] Please see Figures 1-7In this embodiment of the invention, a bicycle based on an adaptive gear shifting mechanism includes a bridge frame 1. A support column 3 is fixedly connected to the rear end of the bridge frame 1. A front support column 7 is welded to the front end of the support column 3. A clamp 20 is fixedly connected to the top of the front support column 7. A handlebar 8 is fixedly connected to the front end of the clamp 20. A bracket 6 is fixedly connected to the bottom of the front support column 7. A front tire 17 is installed at the bottom of the bracket 6. The clamp 20 is fixedly connected to the middle part of the outer wall of the handlebar 8. Handbrakes 21 are installed on the left and right sides of the outer wall of the handlebar 8, and a brake element is installed at one end of each of the two sets of handbrakes 21. A rear tire 16 is located behind the front tire 17. A support disc 18 is installed at the axle of both the front tire 17 and the rear tire 16. A brake element is located on the outer wall of the support disc 18. One end of the front support column 7 is fixedly connected to a connecting block, and one end of the connecting block is fixedly connected to a brake component. A bridge frame 1 is fixedly connected to the upper part of the outer wall of the front support column 7. A support column 3 is welded to one end of the bridge frame 1. An arc-shaped frame 2 is installed in the middle part of the outer wall of the support column 3. An upper bracket 10 is hinged to the tail end of the arc-shaped frame 2. A lower frame 14 is fixedly connected to the tail end of the upper bracket 10. A shaft disc 11 is installed in the front part of the outer wall of the lower frame 14. A foot pedal 12 is installed in the axle of the shaft disc 11. A building spring 5 is installed at the front end of the arc-shaped frame 2 through a hinge. An arc-shaped strip is hinged to the bottom of the building spring 5. A support column 23 is fixedly connected to the middle part of the arc-shaped strip. The top end of the support column 23 is welded and fixed to the bottom end of the support column 3. The bottom end of the arc-shaped strip is fixed to the support beam 4 and the lower frame 14. The front end of the support beam 4 is welded and fixed to the rear part of the outer wall of the front support column 7. A connecting shaft 15 is installed at the rear of the outer wall of the lower frame 14. One end of the connecting shaft 15 is fixedly connected to an outer disc 29. A bearing 28 is installed at the center of the outer disc 29. A connecting cylinder 27 is installed at the center of the bearing 28 via a shaft rod. An inner shaft wheel 31 is installed at the center of the connecting cylinder 27. A shaft head 26 is fixedly connected to the end of the inner shaft wheel 31. A connecting shaft 20 is installed at the center of the shaft head 26. A sprocket 24 is fixedly connected to the outer wall of the connecting cylinder 27. A chain drives the outer wall of the sprocket 24, and a sprocket 13 is installed at the other end of the chain. Outer inclined bars 32 are provided on the upper and lower parts of the outer wall of the sprocket 13. One end of the outer inclined bar 32 is connected to the outer wall of the lower frame 14 via a support. The support is fixedly connected. A speed regulator 9 is provided on one side of the handbrake 21. A cap 41 is installed on the tension end of the speed regulator 9. A flexible hose 33 is installed on the outer wall of the cap 41. An opening fixing block 40 is fixedly connected to the bottom end of the cap 41. The flexible hose 33 is fixed between the opening fixing block 40 and the handbrake 21. A connector 39 is provided at the lower part of the axle disc 11. One end of the connector 39 is fixedly connected to the outer wall of the lower frame 14. A hinge 34 is hinged to the bottom end of the connector 39. An opening fixing block 40 is provided at the bottom end of the hinge 34. The opening fixing block 40 and the hinge 34 are fixedly connected. A connection hole is opened on the upper part of the outer wall of the opening fixing block 40. A welded part 38 is fixedly connected to the lower surface of the opening fixing block 40. A hinge bracket 43 is installed at the bottom end of the welded part 38.One end of the hinge frame 43 is hinged to a top block 35. A hinge arc strip 46 is hinged to the lower rear part of the top block 35. One end of the hinge arc strip 46 is hinged to a connecting rod 45. A telescopic rod 44 is hinged to the lower surface of the welded part 38. Adjusting the connecting rod 45 causes the hinge arc strip 46 to swing. Since the bottom end of the hinge arc strip 46 is hinged to the lower part of the outer wall of the top block 35, and the telescopic rod 44 connected to the outer wall of the top block 35 is connected to the welded part 38, the swinging of the hinge arc strip 46 pulls the top block 35 to swing. Simultaneously, after the top block 35 swings, its telescopic rod 44 retracts, causing the adjusting frame 25 and the guard frame 37 connected to the bottom end of the top block 35 to swing as well. A chain disc 3 is connected to the inner groove of the guard frame 37. 6. The chain disc 36 serves to drive the chain. After the guard frame 37 swings (i.e., the guard frame 37 is adjusted upwards), the chain will oscillate inwards and upwards, causing the chain to shift at the sprocket 24, thus achieving gear shifting. Simultaneously, the telescopic mechanism of the telescopic rod 44 allows the chain to be slightly engaged with the freewheel teeth during gear shifting if the chain is not properly aligned. The telescopic rod 44 resets the chain, guiding it slightly onto the freewheel teeth. A push rod 42 is mounted on the telescopic end of the telescopic rod 44, with one end hinged to the outer wall of the top block 35. An adjusting frame 25 is mounted on the bottom of the top block 35, and the bottom of the adjusting frame 25 is fixedly connected to the guard frame 37. The chain disc 36 is mounted on the inner frame of the guard frame 37.

[0027] When in use, the speed control adaptive adjustment still needs to be achieved by human control of the speed controller 9;

[0028] Specifically: During use, the speed controller 9 is adjusted by the operator. The speed controller 9 has a built-in retractable disc, which is used to retract the cap 41 bound to the disc wall. After the cap 41 is retracted, it will be pulled. The bottom end of the cap 41 is fixed to the outer wall of the connecting rod 45 through the through hole of the opening fixing block 40, thereby realizing the adjustment by pulling the connecting rod 45.

[0029] After the connecting rod 45 is adjusted, the hinged arc strip 46 is driven to swing. Since the bottom end of the hinged arc strip 46 is hinged to the lower part of the outer wall of the top block 35, and the telescopic rod 44 connected to the outer wall of the top block 35 is connected to the welded part 38, the swing of the hinged arc strip 46 pulls the top block 35 to swing. At the same time, after the top block 35 swings, its telescopic rod 44 retracts, and the adjusting frame 25 and the guard frame 37 connected to the bottom end of the top block 35 will also swing. The inner groove of the guard frame 37 is connected to the chain disc 36. The function of the chain disc 36 is to drive the chain. After the guard frame 37 swings, that is, the guard frame 37 is adjusted upward, the chain will fluctuate inward and upward. The chain will be displaced at the sprocket 24, which can realize gear shifting. At the same time, the telescopic mechanism of the telescopic rod 44 is used. When the chain is not adjusted to the flywheel teeth during gear shifting, the chain can be fed into the flywheel teeth with a small amplitude after the telescopic rod 44 is reset.

[0030] The adjusting bracket 25 is inwardly curved and is used to adjust the gear position.

[0031] A sprocket 13 is installed on the inner side of the shaft disc 11, and an outer disc 29 is installed on the shaft center of the shaft 15. The connecting cylinder 27 connected to one end of the outer disc 29 is used to dock with the second sprocket 24, and is also used to drive the second sprocket 24 to rotate through the chain after the first sprocket 13 rotates.

[0032] The support column 23 installed at the bottom of the support column 3 is fixed together with the arc strip, the support beam 4 and the upper part of the lower frame 14. At the same time, the front end of the support column 23 is fixed with the building spring 5, thereby realizing the shock absorption of the frame.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A bicycle based on an adaptive transmission mechanism, comprising a bridge (1), characterized in that: The tail end of the bridge frame (1) is fixedly connected to a support column (3). A front support column (7) is welded to the front end of the support column (3). A clamp (20) is fixedly connected to the top of the front support column (7). A handle (8) is fixedly connected to the front end of the clamp (20). A bracket (6) is fixedly connected to the bottom end of the front support column (7). A front tire (17) is installed at the bottom of the bracket (6). A clamp (20) is fixedly connected to the middle part of the outer wall of the handle (8). Handbrakes (21) are installed on the left and right sides of the outer wall of the handle (8). A brake component is installed at one end of each of the two sets of handbrakes (21). A rear tire (16) is provided at the rear of the front tire (17). The axle of the front tire (17) is connected to the rear tire. (16) The axle is equipped with a support plate (18). The brake is located on the outer wall of the support plate (18). One end of the brake is fixedly connected to a connecting block, and one end of the connecting block is fixedly connected to the brake. The upper part of the outer wall of the front support column (7) is fixedly connected to a bridge frame (1). One end of the bridge frame (1) is welded to a support column (3). The middle part of the outer wall of the support column (3) is equipped with an arc frame (2). The tail end of the arc frame (2) is hinged to an upper bracket (10). The tail end of the upper bracket (10) is fixedly connected to a lower frame (14). The front part of the outer wall of the lower frame (14) is equipped with an axle plate (11). The axle of the axle plate (11) is equipped with a foot pedal (12). A connector (39) is provided at the lower part of the shaft disk (11). One end of the connector (39) is fixedly connected to the outer wall of the lower frame (14). A hinge (34) is hinged to the bottom end of the connector (39). An opening fixing block (40) is provided at the bottom end of the hinge (34). The opening fixing block (40) is fixedly connected to the hinge (34). A connection hole is provided on the upper part of the outer wall of the opening fixing block (40). The lower surface of the opening fixing block (40) is fixedly connected to a welding part (38), and a hinge frame (43) is installed at the bottom end of the welding part (38). A top block (35) is hinged to one end of the hinge frame (43), and a hinge arc strip (46) is hinged to the lower rear part of the top block (35). A connecting rod (45) is hinged to one end of the hinge arc strip (46). The lower surface of the welded part (38) is hinged with a telescopic rod (44), and a push rod (42) is installed at the telescopic end of the telescopic rod (44). One end of the push rod (42) is hinged and fixed to the upper part of the outer wall of the top block (35). An adjustment frame (25) is installed at the bottom end of the top block (35), and a guard frame (37) is fixedly connected to the bottom end of the adjustment frame (25). A chain disc (36) is installed in the inner frame of the guard frame (37). By using the telescopic mechanism of the telescopic rod (44), when the chain is not adjusted to the flywheel teeth during gear shifting, the chain can be fed into the flywheel teeth by a small amplitude after the telescopic rod (44) is reset.

2. The bicycle based on an adaptive transmission mechanism according to claim 1, characterized in that: The front end of the arc frame (2) is fitted with a building spring (5) via a hinge. The bottom of the building spring (5) is hinged with an arc strip. The middle part of the arc strip is fixedly connected to a support column (23). The top of the support column (23) is welded and fixed to the bottom of the support column (3). The bottom of the arc strip is fixedly connected to the support beam (4) and the lower frame (14). The front end of the support beam (4) is welded and fixed to the rear part of the outer wall of the front support column (7).

3. A bicycle based on an adaptive transmission mechanism according to claim 1, characterized in that: The lower frame (14) has a connecting shaft one (15) installed at the tail of its outer wall. One end of the connecting shaft one (15) is fixedly connected to an outer disk (29). A bearing (28) is installed at the axial center of the outer disk (29). A connecting cylinder (27) is installed at the axial center of the bearing (28) via a shaft rod. An inner shaft wheel (31) is installed at the axial center of the connecting cylinder (27). A shaft head (26) is fixedly connected to the end of the inner shaft wheel (31). A connecting shaft two (30) is installed at the axial center of the shaft head (26).

4. A bicycle based on an adaptive transmission mechanism according to claim 3, characterized in that: The outer wall of the connecting cylinder (27) is fixedly connected to a sprocket two (24), the outer wall of the sprocket two (24) is driven by a chain, and the other end of the chain is equipped with a sprocket one (13). The upper and lower parts of the outer wall of the sprocket one (13) are provided with outer inclined bars (32), and one end of the outer inclined bar (32) is fixedly connected to the outer wall of the lower frame (14) through a support member.

5. A bicycle based on an adaptive transmission mechanism according to claim 1, characterized in that: A speed regulator (9) is provided on one side of the handbrake (21). A cap (41) is installed on the tension end of the speed regulator (9). A flexible hose (33) is installed on the outer wall of the cap (41). An opening fixing block (40) is fixedly connected to the bottom end of the cap (41). The flexible hose (33) is fixed between the opening fixing block (40) and the handbrake (21).

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