Track-variable manual-automatic integrated bicycle

By designing a variable-track, manual/automatic integrated exercise bike, the problem of the limited functionality of exercise bikes was solved. It enables adjustable exercise tracks and switching between manual and electric modes, improving the applicability of fitness equipment and user experience.

CN223874341UActive Publication Date: 2026-02-06FUJIAN YEXIAO獣 HEALTH TECH CO LTD
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Patent Information

Application Number
CN202423082529.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2026-02-06
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing exercise bikes have limited exercise functions and cannot meet the experience needs of different consumers.

Method used

Design a variable trajectory automatic/manual bicycle that achieves adjustable motion trajectory and free switching between manual and electric modes through crank-connecting rod assembly, belt drive assembly, electric component and trajectory adjustment assembly.

Benefits of technology

It meets the needs of different users and improves the applicability and experience of fitness equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a track-variable manual-automatic integrated bicycle, relates to the technical field of fitness equipment, and solves the problems that an existing fitness bicycle is relatively single in use function and cannot meet the experience requirements of various consumers. The electric bicycle comprises a bicycle frame, a pair of pedals, a flywheel rotationally connected to one end of the bicycle frame, a crank connecting rod assembly, a belt transmission assembly and an electric assembly, wherein the crank connecting rod assembly and the belt transmission assembly are arranged on the bicycle frame and used for transmission between the pedals and the flywheel, and the electric assembly is used for driving the pedals to operate automatically. The track adjusting assembly is arranged at the bottom of the end, close to the flywheel, of the frame and used for adjusting the motion track of the pedals, and the resistance adjusting device is arranged on the frame and used for adjusting the resistance of the flywheel. The hand-operated and power-driven electric control device has the advantages that the movement track can be adjusted according to needs, manual operation and power-driven integrated free switching is achieved, and the requirements of different users are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to body -building apparatus technical field, concretely relates to a variable trajectory hand -self -comprehensive bicycle. BACKGROUND

[0002] With the increasing of the current fitness product, people's demand for fitness is also higher and higher, for example, small bicycle, because the volume of bicycle is small and portable, is loved by many people, but the basic movement principle is roughly same as crank connecting rod structure movement track, corresponding use function is single, is not conducive to product upgrading, cannot satisfy various consumers' experience. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a variable trajectory hand -self -comprehensive bicycle, which solves the problem of single use function of the existing fitness bicycle and cannot satisfy various consumers' experience.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A variable trajectory hand -self -comprehensive bicycle, characterized by: including frame, a pair of footrest, flywheel rotationally connected on one end of the frame, crank connecting rod assembly and belt drive assembly for transmission between footrest and flywheel are arranged on the frame, electric component for driving footrest automatic operation, trajectory adjustment assembly for adjusting the movement trajectory of footrest is arranged on the bottom of the end of the frame close to the flywheel, resistance adjustment device for adjusting the resistance of the flywheel is arranged on the frame.

[0006] Further improvement is that: the crank connecting rod assembly includes a group of cranks symmetrically hinged on the other end of the frame on both sides, the other end of the crank is hinged with one end of the upper connecting rod, the other end of the upper connecting rod is hinged with one end of the rear connecting rod, the upper connecting rod is hinged with the footrest on the upper surface of the end close to the crank, the other end of the two rear connecting rods is hinged on the bottom of the end of the frame close to the flywheel on both sides.

[0007] Further improvement is that: the belt drive assembly includes a belt pulley coaxially rotationally connected on the frame with one end of the crank, a motor pulley rotationally connected on the frame between the belt pulley and the flywheel, and a flywheel pulley coaxially rotationally arranged with the flywheel, the belt pulley and the motor pulley are connected by a first belt, and the motor pulley and the flywheel pulley are connected by a second belt.

[0008] Further improvement is that: the first belt is sleeved on the first belt groove of the belt pulley and the motor pulley; the second belt is sleeved on the second belt groove of the motor pulley and the flywheel pulley.

[0009] Further improvement is that the electric component comprises a motor arranged on the frame, and an output end of the motor is fixedly connected with a rotating shaft of a motor pulley.

[0010] Further improvement is that a slot is arranged at one end of the bottom of the frame, the track adjusting component comprises an adjusting pipe which is slidably arranged in the slot, a regulating shaft is fixedly connected with the other end of the adjusting pipe, and the two ends of the regulating shaft are hingedly connected with the other ends of the two rear connecting rods.

[0011] Further improvement is that a plurality of first draw pin holes are arranged on the adjusting pipe along the length direction, a second draw pin hole corresponding to the first draw pin hole is also arranged on one end of the frame, and an elastic draw pin component for adjusting the insertion length of the adjusting pipe is arranged in cooperation with the first draw pin hole and the second draw pin hole.

[0012] Further improvement is that a tension pulley is rotatably arranged on the frame between the pulley and the motor, which is used for pressing the first belt to ensure the stability of the belt operation.

[0013] Further improvement is that one end of the pedal is hingedly connected with a pedal connecting rod, and the other end of the pedal connecting rod is connected to the upper surface of one end of the upper connecting rod close to the crank.

[0014] Further improvement is that an antiskid bottom plate is arranged on the bottom surface of the frame, which is used for preventing the whole from moving during use.

[0015] After the above technical scheme is adopted, the following beneficial effects are obtained compared with the prior art:

[0016] Through the track adjusting component, the track of the movement can be adjusted according to the needs, and through the cooperation of the transmission component and the electric component, the manual and electric integration can be freely switched, the needs of different users can be met, and the applicability is strong. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0019] Figure 2 is a schematic diagram of the front structure of the present application;

[0020] Figure 3 is a schematic diagram of the crank connecting rod assembly in the present application;

[0021] Figure 4 is the three-dimensional structure use map of the transmission assembly in the utility model;

[0022] Figure 5 is another angle three-dimensional structure schematic view of the transmission assembly in the utility model;

[0023] Figure 6 is the structure schematic view of the frame and trajectory adjusting assembly in the utility model;

[0024] Figure 7 is the structure schematic view of the tensioning wheel in the utility model.

[0025] Mark explanation: frame 1, foot pedal 2, foot pedal connecting rod 21, crank 3, upper connecting rod 4, rear connecting rod 5, trajectory adjusting assembly 6, adjusting shaft 61, first draw pin hole 62, flywheel 7, belt disc 71, motor 72, motor belt pulley 73, first belt groove 731, second belt groove 732, flywheel belt pulley 74, first belt 75, second belt 76, tensioning wheel 77, resistance adjusting device 8, slot 11, elastic draw pin assembly 12, second draw pin hole 13, antiskid bottom plate 14. Specific implementation

[0026] Referring to Figures 1-7 The technical scheme adopted in the specific implementation is shown in the figure: a variable trajectory hand-automatic pedal car, comprising a frame 1, a pair of foot pedals 2, a flywheel 7 rotatably connected to one end of the frame 1, a crank connecting rod assembly and a belt transmission assembly arranged on the frame 1 for transmission between the foot pedals 2 and the flywheel 7, an electric component for automatically driving the foot pedals 2 to run, a trajectory adjusting assembly 6 arranged at the bottom of the frame 1 near the flywheel 7 end for adjusting the movement trajectory of the foot pedals 2, and a resistance adjusting device 8 arranged on the frame 1 for adjusting the resistance of the flywheel 7.

[0027] The crank connecting rod assembly comprises a set of cranks 3 symmetrically hinged at one end to both sides of the other end of the frame 1, the other end of the crank 3 is hingedly connected to one end of the upper connecting rod 4, the other end of the upper connecting rod 4 is hingedly connected to one end of the rear connecting rod 5, the upper connecting rod 4 is hingedly connected to the foot pedal 2 on the upper surface of the end near the crank 3, and the other ends of the two rear connecting rods 5 are hingedly connected to both sides of the bottom of the frame 1 near the flywheel 7 end.

[0028] The belt transmission assembly comprises a belt disc 71 coaxially rotatably connected to one end of the crank 3 on the frame 1, a motor belt pulley 73 rotatably connected to the frame 1 between the belt disc 71 and the flywheel 7, and a flywheel belt pulley 74 coaxially rotatably arranged with the flywheel 7, the belt disc 71 and the motor belt pulley 73 are drivingly connected by a first belt 75, and the motor belt pulley 73 and the flywheel belt pulley 74 are drivingly connected by a second belt 76.

[0029] The first belt 75 is sleeved on the first belt groove 731 of the belt pulley 71 and the motor belt pulley 73, and the second belt 76 is sleeved on the second belt groove 732 of the motor belt pulley 73 and the flywheel belt pulley 74.

[0030] The electric component comprises the motor 72 arranged on the frame 1, and the output end of the motor 72 is fixedly connected with the rotating shaft of the motor belt pulley 73.

[0031] The frame 1 is provided with a slot 11 at one end of the bottom, the track adjusting component 6 comprises an adjusting pipe which is slidably inserted into the slot 11, the other end of the adjusting pipe is fixedly connected with an adjusting shaft 61, and the two ends of the adjusting shaft 61 are hingedly connected with the other ends of the two rear connecting rods 5.

[0032] The adjusting pipe is provided with a plurality of first draw pin holes 62 along the length direction, the frame 1 is also provided with a second draw pin hole 13 corresponding to the first draw pin hole 62 at one end, and the elastic draw pin component 12 for adjusting the insertion length of the adjusting pipe is matched with the first draw pin hole 62 and the second draw pin hole 13.

[0033] The frame 1 is provided with a tensioning wheel 77 rotatably arranged between the belt pulley 71 and the motor 72, which is used for pressing the first belt 75 to ensure the stability of the belt operation.

[0034] The footrest 2 is hingedly connected with one end of a footrest connecting rod 21, and the other end of the footrest connecting rod 21 is connected to the upper surface of one end of the upper connecting rod 4 close to the crank 3.

[0035] The bottom surface of the frame 1 is provided with an antiskid bottom plate 14 for preventing the whole from moving during use.

[0036] The working principle of the utility model is as follows: when a user sits on a chair or a sofa and puts his feet on the footrest, the device is in a manual mode without the intervention of the motor, when the user steps on the footrest, the movement of the upper connecting rod and the crank is transmitted to the belt pulley, the belt pulley is driven to rotate, the motor belt pulley is correspondingly rotated due to the transmission connection between the belt pulley and the motor belt pulley through the first belt, the flywheel belt pulley is correspondingly rotated due to the transmission connection between the motor belt pulley and the flywheel belt pulley through the second belt, and the flywheel is correspondingly rotated, so that a footrest cycle is completed.

[0037] When the motor is in an electric automatic operation mode, the user puts his feet on the footrest without stepping on the footrest, the motor is started, the motor drives the motor belt pulley to rotate, the belt pulley is driven to rotate through the first belt, and the footrest is driven to rotate automatically.

[0038] When the pedal track needs to be adjusted, the adjusting pipe is freely moved forward and backward when the elastic pull pin is pulled out, the adjusting pipe is moved to the required position, at this time, the rear connecting rod is moved forward and backward together due to the assembly relationship of the rear connecting rod and the adjusting pipe, so that the overall movement track is changed, the experience of different users is met, and then the elastic pull pin is inserted to be limited and fixed.

[0039] The basic principle and main features of the utility model and its advantages are shown and described above, and the person skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the description are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, the protection scope of the utility model is defined by the appended claims and equivalents thereof. The utility model is not described in detail, which is the known technology of the person skilled in the art.

Claims

1. A variable trajectory human powered vehicle, characterized by: The utility model relates to a bicycle, which comprises a frame, a pair of pedals, a flywheel rotatably connected to one end of the frame, a crank connecting rod assembly and a belt transmission assembly arranged on the frame for transmitting power between the pedals and the flywheel, an electric component for automatically driving the pedals, a trajectory adjusting assembly arranged at the bottom of the frame near the flywheel end for adjusting the trajectory of the pedals, and a resistance adjusting device arranged on the frame for adjusting the resistance of the flywheel.

2. The variable trajectory HAP of claim 1, wherein: The crank connecting rod assembly comprises a set of cranks symmetrically hinged at one end to both sides of the other end of the frame, the other end of the crank being hingedly connected to one end of an upper connecting rod, the other end of the upper connecting rod being hingedly connected to one end of a rear connecting rod, the upper connecting rod being hingedly connected to the pedals on the upper surface of the end near the crank, and the other ends of the two rear connecting rods being hingedly connected to both sides of the bottom of the frame near the flywheel end.

3. The variable-rail HAP of claim 2, wherein: The belt transmission assembly comprises a pulley coaxially rotatably connected to one end of the crank on the frame, a motor pulley rotatably connected to the frame between the pulley and the flywheel, and a flywheel pulley coaxially rotatably arranged on the flywheel, the pulley and the motor pulley being connected by a first belt, and the motor pulley and the flywheel pulley being connected by a second belt.

4. The variable-rail HAP of claim 3, wherein: The first belt is sleeved on the first belt groove of the pulley and the motor pulley, and the second belt is sleeved on the second belt groove of the motor pulley and the flywheel pulley.

5. A variable-rail HAP according to claim 4, wherein: A tension pulley is rotatably arranged on the frame between the pulley and the motor for pressing the first belt to ensure the stability of the belt.

6. A variable-rail HAP according to claim 5, wherein: The electric component comprises a motor arranged on the frame, the output end of the motor being fixedly connected to the rotating shaft of the motor pulley.

7. A variable-rail cycle according to claim 6, wherein: One end of the trajectory adjusting assembly is slidably inserted into the slot, the other end of the adjusting tube being perpendicularly fixedly connected to an adjusting shaft, the two ends of the adjusting shaft being hingedly connected to the other ends of the two rear connecting rods.

8. The variable-rail HAP of claim 7, wherein: A plurality of first pull pin holes are formed in the adjusting tube along the length direction, and a second pull pin hole corresponding to the first pull pin hole is also formed in one end of the frame.

9. The variable-rail HAP of claim 2, wherein: One end of the pedal connecting rod is hingedly connected to the pedal, and the other end of the pedal connecting rod is connected to the upper surface of the end of the upper connecting rod near the crank.

10. The variable-rail HAP of claim 1, wherein: The bottom surface of the frame is provided with an anti-skid bottom plate for preventing the whole from moving during use.