CN116853398A

CN116853398A - Recumbent bicycle

Info

Publication number: CN116853398A
Application number: CN202311013246.8A
Authority: CN
Inventors: 李晓娜; 杜祥; 沙恒; 李阳阳
Original assignee: Shandong Huayu University of Technology
Current assignee: Shandong Huayu University of Technology
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2023-10-10

Abstract

The application discloses a recumbent bicycle, which mainly relates to the field of bicycles; the steering control device comprises a front frame and a rear frame, wherein the rear frame is arranged on the front frame, the position of the rear frame on the front frame is adjustable, driven wheel frames are arranged at the left end and the right end of the rear frame, the driven wheel frames are rotationally connected with the rear frame, a steering control part is arranged at the top of at least one driven wheel frame, a driven wheel is arranged at the bottom of the driven wheel frame, a handlebar is arranged at the top of the front frame, a driving wheel is arranged on the front frame, a transmission system for driving the wheels to rotate is arranged at the front side of the driving wheel, and the transmission system is arranged on the front frame; the application can solve the problems that the reverse three-wheeled recumbent vehicle has large turning radius, can not be pulled up on an ascending slope and is more laborious, and has the characteristics of convenient operation, economy, practicability and portability.

Description

Recumbent bicycle

Technical Field

The application relates to the field of bicycles, in particular to a recumbent bicycle.

Background

The tricycle is characterized in that the tricycle is a tricycle which can be operated in a lying mode, the tricycle is approved by a bicycle lover in the aspects of comfort, stability, safety and the like, the tricycle is particularly suitable for people riding for a long time, the tricycle frame and a transmission system of the tricycle are longer than those of a common bicycle, the tricycle has excellent aerodynamic performance, a lower body enables wind resistance to be reduced, the waist and the legs of a user are supported by the saddle forcefully, the power conversion efficiency is higher, and the tricycle is deeply favored by some deep riders. However, the existing three-wheeled recumbent vehicle has the defects of larger volume, larger radius of gyration, large occupied area, incapability of taking out vehicles on an ascending slope, more effort, inconvenience in entering and exiting doors and inconvenience in storage, and reduces the overall practicability of the three-wheeled recumbent vehicle; meanwhile, the existing reverse three-wheel recumbent vehicle has the defects that the vehicle body cannot incline, and in order to ensure high-speed turning, the front wheels are small in wheel diameter and low in vehicle body so as to reduce the center of gravity, so that the trafficability and the speed of the vehicle are greatly reduced; in addition, the three-wheeled recumbent vehicle is not easy to get on hand, and can be mastered by multiple exercises.

Disclosure of Invention

The application aims to solve the problems in the prior art, and provides a recumbent bicycle which can solve the problems that the recumbent tricycle has large turning radius, cannot be pulled up on an ascending slope and is laborious, and has the characteristics of convenient operation, economy, practicability and portability.

The application aims to achieve the aim, and the aim is achieved by the following technical scheme:

the utility model provides a formula bicycle of lying to one side, includes preceding frame, back frame is installed on preceding frame, and the position of back frame on preceding frame is adjustable, both ends all are equipped with driven wheel frame about the back frame, driven wheel frame rotates with back frame to be connected, and is equipped with steering control part at least at the top of one of them driven wheel frame, the bottom of driven wheel frame is equipped with from the driving wheel, the top of preceding frame is equipped with the handlebar, be equipped with the action wheel on the preceding frame, the front side of action wheel is equipped with and is used for driving wheel pivoted transmission system, and transmission system installs on preceding frame.

Preferably, the steering control part comprises a rotating arm fixed at the top of the driven wheel frame, and the top of one end of the rotating arm far away from the driven wheel frame is provided with an upward extending handle.

Preferably, the top of preceding frame is equipped with the handlebar seat that is used for installing the handlebar, the bottom of handlebar seat is equipped with the connecting block, the connecting block bottom is equipped with the perpendicular fork, the bottom of perpendicular fork is equipped with the transverse fork, the front end of transverse fork is equipped with the transfer line cover that is used for installing transmission system, and the rear end is used for installing the action wheel, the rear side of connecting block is equipped with the preceding frame vertical beam of backward extension, the bottom of preceding frame vertical beam is equipped with preceding frame crossbeam.

Preferably, the front frame cross beam is provided with a plurality of adjusting holes from back to front, the rear frame is provided with a rear frame cross beam which is matched with the front frame cross beam, the front frame cross beam is inserted into the rear frame cross beam, and the outer wall of the rear frame cross beam is provided with adjusting screws.

Preferably, the rear end of the rear frame cross beam is provided with a U-shaped frame, the left end and the right end of the U-shaped frame are respectively provided with a support sleeve for installing a driven wheel frame, and the support sleeves are provided with bearings.

Preferably, a saddle cushion block is arranged at the top of the front end of the rear frame cross beam, and a saddle is arranged at the top of the saddle cushion block.

Preferably, the driving wheel is mounted on the front frame through a first supporting shaft, a limiting block is arranged on the first supporting shaft, a first sprocket is arranged on one side of the limiting block, a first concave spline is arranged on the first sprocket, a first convex spline which is adaptive to the first concave spline is arranged on the first supporting shaft, and the first sprocket is located on one side of the driving wheel.

Preferably, the transmission system comprises a second supporting shaft rotationally connected with the front frame, cranks are arranged at two ends of the second supporting shaft, a pedal rotationally connected with the cranks is arranged at one end, far away from the second supporting shaft, of the crank, a second sprocket is arranged on the second supporting shaft, a second concave spline is arranged on the second sprocket, and a second convex spline which is adaptive to the second concave spline is arranged on the second supporting shaft.

Compared with the prior art, the application has the beneficial effects that:

the application solves the problems that the existing three-wheel reclining vehicle cannot incline, the small wheel diameter and the low vehicle body are adopted to reduce the gravity center for ensuring the front wheels of high-speed turning, thus greatly reducing the trafficability and the speed of the vehicle, and the three-wheel reclining vehicle has larger volume, the distance between the vehicle seat and the pedals cannot be adjusted, and the vehicle body cannot be folded or folded; solves the problems that the reverse three-wheel recumbent vehicle has large radius of gyration, can not draw vehicles on an ascending slope, is laborious and the like; the application has reasonable structure, convenient operation, economy, practicality and convenient carrying.

Drawings

FIG. 1 is one of the structural schematic diagrams of the present application;

FIG. 2 is a second schematic diagram of the structure of the present application;

FIG. 3 is a third schematic diagram of the structure of the present application;

fig. 4 is a schematic perspective view of the present application.

The reference numbers in the drawings: 1. a front frame; 2. a rear frame; 3. a driven wheel frame; 4. a steering control unit; 5. driven wheel; 6. a handle bar; 7. a driving wheel;

11. a handlebar seat; 12. a connecting block; 13. a vertical fork; 14. a transverse fork; 15. a driving sleeve; 16. a front frame vertical beam; 17. a front frame rail; 18. an adjustment aperture;

21. a rear frame rail; 22. a U-shaped frame; 23. a support sleeve; 24. a seat cushion block; 25. a saddle;

41. a rotating arm; 42. A handle;

71. a first support shaft; 72. A limiting block; 73. A first sprocket;

8. a second support shaft; 81. a crank; 82. a foot pedal; 83. a second sprocket.

Detailed Description

The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the application, and equivalents thereof fall within the scope of the application as defined by the claims.

Examples: referring to fig. 1-4, the application provides a recumbent bicycle, which comprises a front frame 1 and a rear frame 2, wherein the rear frame 2 is arranged on the front frame 1, the position of the rear frame 2 on the front frame 1 is adjustable, and the recumbent bicycle can be suitable for users with different sizes by adjusting the position of the rear frame 2 on the front frame 1, and the distance between a driving wheel 7 and a driven wheel 5 can be adjusted.

The bicycle is characterized in that driven wheel frames 3 are respectively arranged at the left end and the right end of the rear frame 2, the driven wheel frames 3 are rotatably connected with the rear frame 2, a steering control part 4 is arranged at the top of at least one driven wheel frame 3, driven wheels 5 are arranged at the bottom of the driven wheel frames 3, a handlebar 6 is arranged at the top of the front frame 1, a driving wheel 7 is arranged on the front frame 1, a transmission system for driving the driving wheel 7 to rotate is arranged on the front side of the driving wheel 7, and when the bicycle is used, a pedal of the transmission system is stepped on by feet, so that the transmission system drives the driving wheel 7 to rotate, the recumbent bicycle is enabled to move, and the rotation of the driven wheel frames 3 is controlled through the steering control part 4, so that the steering of the recumbent bicycle is achieved.

Preferably, the steering control part 4 includes a rotating arm 41 fixed on the top of the driven wheel frame 3, a handle 42 extending upwards is arranged on the top of one end of the rotating arm 41 far away from the driven wheel frame 3, a connector with a rectangular cross section can be processed on the top of the driven wheel frame 3, the connector is inlaid at one end of the rotating arm 41, threads are processed at the bottom end of the handle 42, and corresponding threaded holes are processed at one end of the rotating arm 41 far away from the handle 42.

Preferably, the top of front frame 1 is equipped with the handlebar seat 11 that is used for installing handlebar 6, the bottom welding of handlebar seat 11 has connecting block 12, connecting block 12 bottom welding has vertical fork 13, the bottom welding of vertical fork 13 has horizontal fork 14, the front end welding of horizontal fork 14 has the transfer sleeve 15 that is used for installing transmission system, and the rear end is equipped with the U type socket that is used for installing action wheel 7, the rear side welding of connecting block 12 has the front frame vertical beam 16 of backward extension, the bottom welding of front frame vertical beam 16 has front frame crossbeam 17.

Further, in order to facilitate the adjustment of the relative position between the front frame and the rear frame, the front frame cross member 17 is provided with a plurality of adjustment holes 18 from the rear to the front, the rear frame 2 is provided with a rear frame cross member 21 adapted to the front frame cross member 17, the front frame cross member 17 is inserted into the rear frame cross member 21, and the outer wall of the rear frame cross member 21 is provided with adjustment screws.

Preferably, the rear end of the rear frame beam 21 is welded with a U-shaped frame 22, both the left and right ends of the U-shaped frame 22 are welded with a supporting sleeve 23 for installing the driven wheel frame 3, the supporting sleeve 23 is provided with a bearing, the driven wheel frame 3 comprises a rotating shaft rotationally connected with the supporting sleeve 23, the bottom of the rotating shaft is welded with a bracket for installing the driven wheel 5, and the driven wheel 5 can be a caster.

Preferably, a seat cushion 24 is welded at the top of the front end of the rear frame beam 21, a seat 25 is arranged at the top of the seat cushion 24, diagonal braces are welded at the left side and the right side of the rear frame beam 21, and the seat 25 is fixed on the seat cushion 24 and/or the frame beam 21 and/or the diagonal braces through screws.

Preferably, the driving wheel 7 is mounted on the front frame 1 through a first support shaft 71, a limiting block 72 is arranged on the first support shaft 71, a first sprocket 73 is arranged on one side of the limiting block 72, a first concave spline is arranged on the first sprocket 73, a first convex spline which is adaptive to the first concave spline is arranged on the first support shaft 71, and the first sprocket 73 is located on one side of the driving wheel 7.

Further, the driving wheel 7 is assembled from a tire and a hub, and a wheel shaft hole and a bearing hole are prefabricated in the hub in advance, and the bearing hole is assembled with a bearing.

Preferably, the transmission system comprises a second supporting shaft 8 rotationally connected with the front frame 1, two ends of the second supporting shaft 8 are respectively provided with a crank 81, one end, far away from the second supporting shaft 8, of each crank 81 is provided with a pedal 82 rotationally connected with the crank 81, an existing bicycle structure can be adopted here, the second supporting shaft 8 is provided with a second sprocket 83, the second sprocket 83 is provided with a second concave spline, and the second supporting shaft 8 is provided with a second convex spline adapting to the second concave spline.

Claims

1. A recumbent bicycle, characterized in that: including preceding frame (1), back frame (2) are installed on preceding frame (1), and back frame (2) the position on preceding frame (1) is adjustable, both ends all are equipped with driven wheel frame (3) about back frame (2), driven wheel frame (3) rotate with back frame (2) and are connected, and are equipped with steering control part (4) at the top of at least one of them driven wheel frame (3), the bottom of driven wheel frame (3) is equipped with from driving wheel (5), the top of preceding frame (1) is equipped with handlebar (6), be equipped with action wheel (7) on preceding frame (1), the front side of action wheel (7) is equipped with and is used for driving action wheel (7) pivoted transmission system, and transmission system installs on preceding frame (1).

2. A recumbent bicycle according to claim 1, wherein: the steering control part (4) comprises a rotating arm (41) fixed at the top of the driven wheel frame (3), and a handle (42) extending upwards is arranged at the top of one end, far away from the driven wheel frame (3), of the rotating arm (41).

3. A recumbent bicycle according to claim 1, wherein: the top of preceding frame (1) is equipped with handlebar seat (11) that are used for installing handlebar (6), the bottom of handlebar seat (11) is equipped with connecting block (12), connecting block (12) bottom is equipped with perpendicular fork (13), the bottom of perpendicular fork (13) is equipped with horizontal fork (14), the front end of horizontal fork (14) is equipped with transfer line sleeve (15) that are used for installing transmission system, and the rear end is used for installing action wheel (7), the rear side of connecting block (12) is equipped with back extended preceding frame vertical beam (16), the bottom of preceding frame vertical beam (16) is equipped with preceding frame crossbeam (17).

4. A recumbent bicycle according to claim 3, wherein: the front frame cross beam (17) is provided with a plurality of adjusting holes (18) from back to front, the rear frame (2) is provided with a rear frame cross beam (21) which is matched with the front frame cross beam (17), the front frame cross beam (17) is inserted into the rear frame cross beam (21), and the outer wall of the rear frame cross beam (21) is provided with adjusting screws.

5. A recumbent bicycle according to claim 4, wherein: the rear end of the rear frame cross beam (21) is provided with a U-shaped frame (22), the left end and the right end of the U-shaped frame (22) are respectively provided with a support sleeve (23) for installing the driven wheel frame (3), and the support sleeves (23) are provided with bearings.

6. A recumbent bicycle according to claim 4, wherein: the top of the front end of the rear frame cross beam (21) is provided with a saddle cushion block (24), and the top of the saddle cushion block (24) is provided with a saddle (25).

7. A recumbent bicycle according to claim 1, wherein: the driving wheel (7) is mounted on the front frame (1) through a first supporting shaft (71), a limiting block (72) is arranged on the first supporting shaft (71), a first sprocket (73) is arranged on one side of the limiting block (72), a first concave spline is arranged on the first sprocket (73), a first convex spline which is adaptive to the first concave spline is arranged on the first supporting shaft (71), and the first sprocket (73) is located on one side of the driving wheel (7).

8. A recumbent bicycle according to claim 7, wherein: the transmission system comprises a second supporting shaft (8) which is rotationally connected with the front frame (1), two ends of the second supporting shaft (8) are respectively provided with a crank (81), one end, away from the second supporting shaft (8), of each crank (81) is provided with a pedal (82) which is rotationally connected with the corresponding crank (81), each second supporting shaft (8) is provided with a second sprocket (83), each second sprocket (83) is provided with a second concave spline, and each second supporting shaft (8) is provided with a second convex spline which is matched with the corresponding second concave spline.