Novel exercise bicycle

Abstract

The utility model discloses a novel exercise bicycle which comprises an inertia wheel, a bicycle frame, a brake handle, a speed changer, a brake cable, a speed change cable, a brake assembly and a resistance adjusting assembly. The inertia wheel is mounted on the frame, the frame comprises a front frame, a middle frame and a bottom frame, the brake handle and the transmission are respectively arranged at a head at the top of the front frame, and the brake assembly and the resistance adjusting assembly are respectively arranged below the inertia wheel; one end of the brake cable is connected with the brake handle, and the other end of the brake cable penetrates through a guide hole formed in the middle frame and then is connected with the brake assembly along a pipe cavity of the middle frame and a pipe cavity of the bottom frame; one end of the shift cable is connected with the transmission, and the other end of the shift cable penetrates through a guide hole formed in the middle frame and then is connected with the resistance adjusting assembly along a pipe cavity of the middle frame and a pipe cavity of the bottom frame. According to the exercise bicycle, brake and transmission accessories of a road vehicle are applied to the exercise bicycle, the brake assembly and the resistance adjusting assembly which are arranged at the bottom of the bicycle frame in a split mode are adopted, the risk that the wheels are scratched by the parts can be effectively prevented, the structure is simple, brake adjustment and resistance adjustment can be independently controlled, and brake adjustment and resistance adjustment are more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness bikes, in particular to a novel fitness bike. Background Art

[0002] The exercise bike is an effective aerobic exercise equipment suitable for people of all ages. It can speed up metabolism, enhance cardiopulmonary function and improve human physical fitness.

[0003] The existing fitness bikes on the market have the following shortcomings:

[0004] 1. The resistance adjustment device of the existing fitness bike is arranged above the wheel. During use, there is a risk that the parts of the resistance adjustment device may scratch the wheel due to gravity or other external forces.

[0005] 2. The existing fitness bike has an integrated braking device and a resistance adjusting device. When emergency braking is required, the braking time is too long and the bike cannot brake in time.

[0006] 3. The brake wire and resistance adjustment wire of the existing fitness bike are exposed on the surface of the fitness bike frame, which affects the service life of the wire and reduces the aesthetics of the fitness bike. Utility Model Content

[0007] The utility model aims to provide a new type of fitness bike, which applies the brake and transmission accessories of a road bike to the fitness bike, adopts a split brake device and a resistance adjustment device, has a simple structure, is more convenient to adjust the brake and resistance, has a good braking effect, and improves the safety and aesthetics of use.

[0008] To achieve the above-mentioned purpose, the solution of the utility model is: a new type of fitness bike, including an inertia wheel, a frame, a brake handle, a transmission, a brake line, a speed change line, a brake assembly and a resistance adjustment assembly; the inertia wheel is installed on the frame, and the frame includes a front frame, a middle frame and a bottom frame, the brake handle and the transmission are respectively arranged at the front of the vehicle on the top of the front frame, and the brake assembly and the resistance adjustment assembly are respectively arranged below the inertia wheel; one end of the brake line is connected to the brake handle, and the other end passes through a guide hole arranged in the middle frame and then is connected to the brake assembly along the tube cavity of the middle frame and the tube cavity of the bottom frame; one end of the speed change line is connected to the transmission, and the other end passes through a guide hole arranged in the middle frame and then is connected to the resistance adjustment assembly along the tube cavity of the middle frame and the tube cavity of the bottom frame.

[0009] In a preferred embodiment, the brake assembly includes a connecting rod, a felt brake pad and a return spring. A hinge seat is provided on the bottom frame below the inertia wheel. The connecting rod is hinged on the hinge seat. One side of the connecting rod forms a rear end portion along the upper rear portion, and the rear end portion is connected to a brake line. The other side of the connecting rod forms a front end portion with an angle along the upper rear portion. The felt brake pad is arranged on the front end portion, one end of the return spring is connected to the front end portion, and the other end is connected to a positioning nut arranged on the bottom frame. The brake line pulls the rear end portion of the connecting rod downward to cause the front end portion of the connecting rod to warp upward, so that the felt brake pad abuts against the inertia wheel.

[0010] The preferred embodiment also includes an adjusting knob and a limit column. A through hole is provided at the bottom frame below the front end portion of the connecting rod. The limit column is inserted into the through hole. One end of the limit column is connected to the adjusting knob to adjust the height of the limit column. The other end of the limit column abuts against the bottom of the front end portion of the connecting rod.

[0011] According to a preferred embodiment, the resistance adjustment assembly includes a magnet assembly, an inverted U-shaped fixing part and a compression spring, the magnet assembly is arc-shaped, a hinge seat is provided on the bottom frame below the inertia wheel, the front end of the magnet assembly is hinged on the hinge seat through a U-shaped fixing part, the rear end of the magnet assembly is connected to the speed change line, one end of the compression spring abuts against the rear end of the magnet assembly, and the other end abuts against the bottom frame, and the speed change line is placed in the compression spring; the inertia wheel is made of steel material, and the speed change line is used to drive the rear end of the magnet assembly so that the front end of the magnet assembly rotates in coordination, and the magnet assembly approaches or moves away from the inertia wheel, thereby realizing the adjustment of the resistance size.

[0012] The preferred embodiment also includes an inverted L-shaped support member, a bolt and a nut, wherein the inverted L-shaped support member is fixedly disposed on the bottom frame below the magnet assembly, the inverted L-shaped support member is provided with a threaded through hole, one end of the bolt passes through the threaded through hole and is flexibly connected to the inverted L-shaped support member in cooperation with the nut, and the other end of the bolt rests against below the magnet assembly.

[0013] The preferred solution also includes a transparent protective cover, which is installed between the middle frame and the inertia wheel to cover the belt between the middle frame and the inertia wheel.

[0014] The preferred solution further comprises a decorative shell, which is fixedly disposed between the inertia wheel and the bottom frame to cover the brake assembly and the resistance adjustment assembly.

[0015] In a preferred embodiment, a T-shaped handle is provided at the front of the fitness bike, and both ends of the T-shaped handle are bent toward the front to form a gripping portion.

[0016] The preferred solution further comprises a rack for placing dumbbells, wherein the rack is fixedly arranged on the frame below the seat of the fitness bike.

[0017] After adopting the above scheme, the beneficial effect of the utility model is that the utility model applies the brake and transmission accessories of the road bike to the fitness bike, and adopts a split brake assembly and resistance adjustment assembly arranged at the bottom of the frame, which can effectively prevent the risk of parts scratching the wheel. The structure is simple, and the brake and resistance adjustment can be controlled separately, making the brake adjustment and resistance adjustment more convenient. The separately controlled brake assembly can better achieve braking, and the braking effect is good. The separately controlled speed change assembly allows the resistance to be adjusted at the same time when riding and gripping, and the adjustment process is more convenient. In addition, the brake line and the speed change line are hidden in the tube cavity of the frame, which not only prolongs the service life of the wire, but also improves the aesthetics of the fitness bike. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model from the right side perspective;

[0019] Figure 2 It is a structural schematic diagram of the utility model from the left side perspective;

[0020] Figure 3 It is a structural schematic diagram of the utility model from the left side perspective with the decorative shell removed;

[0021] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 5 It is a structural schematic diagram of the utility model from the right front perspective;

[0023] Figure 6 It is a schematic diagram of the structure of the utility model from the left front perspective;

[0024] Figure 7 It is a structural schematic diagram of the utility model from the right rear perspective;

[0025] Figure 8 It is a structural schematic diagram of the utility model from the left rear perspective.

[0026] Description of labels:

[0027] 1. Inertia wheel; 2. Front frame; 3. Middle frame; 4. Bottom frame; 5. Brake handle; 6. Transmission; 7. Brake cable; 8. Shift cable; 9. Connecting rod; 10. Felt brake pad; 11. Reset spring; 12. Articulated seat; 13. Positioning nut; 14. Adjustment knob; 15. Limit column; 16. Inverted U-shaped fixing piece; 17. Magnet assembly; 18. Compression spring; 19. Inverted L-shaped support piece; 20. Bolt; 21. Nut; 22. Transparent protective cover; 23. Decorative shell; 24. T-shaped handle; 25. Storage rack. DETAILED DESCRIPTION

[0028] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0029] The utility model provides a new type of fitness bike, such as Figures 1 to 8 As shown, it includes an inertia wheel 1, a frame, a brake handle 5, a transmission 6, a brake line 7, a speed change line 8, a brake assembly and a resistance adjustment assembly; the inertia wheel 1 is installed on the frame, and the frame includes a front frame 2, a middle frame 3 and a bottom frame 4, the brake handle 5 and the speed change line 6 are respectively arranged at the front of the vehicle on the top of the front frame 2, and the brake assembly and the resistance adjustment assembly are respectively arranged below the inertia wheel 1; one end of the brake line 7 is connected to the brake handle 5, and the other end passes through the guide hole set in the middle frame 3 and is connected to the brake assembly along the tube cavity of the middle frame 3 and the tube cavity of the bottom frame 4; one end of the speed change line 8 is connected to the transmission 6, and the other end passes through the guide hole set in the middle frame 3 and is connected to the resistance adjustment assembly along the tube cavity of the middle frame 3 and the tube cavity of the bottom frame 4.

[0030] The brake assembly and the resistance adjustment assembly of the present embodiment adopt a split design. The brake assembly is controlled by the brake handle 5 and the brake line 7, and the resistance adjustment assembly is controlled by the transmission 6 and the speed change line 8, so that the brake adjustment and the resistance adjustment are more convenient. The brake assembly and the resistance adjustment assembly are arranged on the bottom frame 4 below the inertia wheel 1, which avoids the risk of parts scratching the inertia wheel 1 and improves the safety of use. The brake line 7 and the speed change line 8 are connected to the brake assembly and the resistance adjustment assembly through the frame tube cavity, which also improves the service life of the wire to a certain extent, and the hidden design is more beautiful.

[0031] like Figure 3 and Figure 4As shown, the brake assembly includes a connecting rod 9, a felt brake pad 10 and a return spring 11. An articulated seat 12 is provided on the bottom frame 4 below the inertia wheel 1. The connecting rod 9 is hinged on the articulated seat 12. One side of the connecting rod 9 forms a rear end along the upper rear side, and the rear end is connected to the brake line 7. The other side of the connecting rod 9 forms a front end with a folded angle along the upper rear side. The felt brake pad 10 is arranged on the front end. One end of the return spring 11 is connected to the front end, and the other end is connected to a positioning nut 13 arranged on the bottom frame 4. The brake line 7 pulls the rear end of the connecting rod 9 downward to make the front end of the connecting rod 9 warp upward, so that the felt brake pad 10 abuts against the inertia wheel 1. The brake line 7 of this embodiment extends from the bottom frame 4 and is connected to the rear end of the connecting rod 9. The front end of the connecting rod 9 is connected to the positioning nut 13 arranged on the bottom frame 4 through the return spring 11. When the brake handle 5 is squeezed, the brake line 7 drives the rear end of the connecting rod 9 to press down, so that the front end of the connecting rod 9 is tilted up, so that the felt brake pad 10 arranged at the front end of the connecting rod 9 abuts against the inertia wheel 1, and braking is achieved. Since the front end of the connecting rod 9 is provided with a reset spring 11, the felt brake pad 10 will continue to abut against the inertia wheel 1 only when the brake handle 5 is continuously squeezed. When the brake handle 5 is released, the connecting rod 9 will be away from the inertia wheel 1 under the action of the reset spring 11, so that the inertia wheel 1 can rotate normally, which is a clever design.

[0032] like Figure 4 As shown, the brake lever 9 further includes an adjusting knob 14 and a limiting column 15. A through hole is provided at the bottom frame 4 below the front end of the connecting rod 9. The limiting column 15 is inserted into the through hole. One end of the limiting column 15 is connected to the adjusting knob 14 to adjust the height of the limiting column 15. The other end of the limiting column 15 abuts against the front end of the connecting rod 9. In this embodiment, the height of the limit is adjusted by rotating the adjusting knob 14. Under the action of the reset tension spring 11, the limiting column 15 abuts against the front end of the connecting rod 9. Therefore, the pressing force of the brake handle 5 can be adjusted by adjusting the height of the limiting column 15. The structure is simple and easy to use.

[0033] like Figure 3 and Figure 4As shown, the resistance adjustment component includes a magnet component 17, an inverted U-shaped fixing piece 16 and a compression spring 18. The magnet component 17 is arc-shaped. A hinge seat 12 is provided on the bottom frame 4 below the inertia wheel 1. The front end of the magnet component 17 is hinged on the hinge seat 12 through a U-shaped fixing piece. The rear end of the magnet component 17 is connected to the speed change line 8. One end of the compression spring 18 abuts against the rear end of the magnet component 17, and the other end abuts against the bottom frame 4, and the speed change line 8 is placed in the compression spring 18. The inertia wheel 1 is made of steel material. The speed change line 8 is used to drive the rear end of the magnet component 17, so that the front end of the magnet component 17 rotates in coordination, and the magnet component 17 is close to or away from the inertia wheel 1, thereby realizing the adjustment of the resistance size. The front end of the magnet assembly 17 of this embodiment is hinged on the hinge seat 12 of the bottom frame 4 through an inverted U-shaped fixing piece 16, and the rear end of the magnet assembly 17 is connected to the speed change line 8. When the transmission 6 is used to adjust the resistance gear, the speed change line 8 can pull the rear end of the magnet assembly 17 to move. Since the front end of the magnet assembly 17 is hinged on the hinge seat 12 through the inverted U-shaped fixing piece 16, the front end of the magnet assembly 17 can also rotate around the hinge, so that the distance between the magnet assembly 17 and the inertia wheel 1 can be adjusted. Since the inertia wheel 1 is made of steel material, the closer the distance between the magnet assembly 17 and the inertia wheel 1, the greater the resistance, and the farther the distance, the smaller the resistance. This resistance adjustment is simple and effective.

[0034] like Figure 4 As shown, it also includes an inverted L-shaped support member 19, a bolt 20 and a nut 21. The inverted L-shaped support member 19 is fixedly arranged on the bottom frame 4 below the magnet assembly 17. The inverted L-shaped support member is provided with a threaded through hole. One end of the bolt 20 passes through the threaded through hole and is flexibly connected to the inverted L-shaped support member 19 in cooperation with the nut 21. The other end of the bolt 20 abuts against the bottom of the magnet assembly 17. In this embodiment, the inverted L-shaped support member 19 is fixedly arranged on the bottom frame 4 below the magnet assembly 17, and the bolt 20 is flexibly connected to the inverted L-shaped support member 19 in cooperation with two nuts 21. The distance between the head of the bolt 20 and the magnet assembly 17 can be adjusted by rotating the bolt 20 to achieve a limiting effect on the magnet assembly 17.

[0035] like Figure 1 As shown, a transparent protective cover 22 is also included, and the transparent protective cover 22 is installed between the middle frame 3 and the inertia wheel 1 to cover the belt between the middle frame 3 and the inertia wheel 1. In this embodiment, a transparent protective cover 22 is provided between the middle frame 3 and the inertia wheel 1. On the one hand, the transparent protective cover 22 can prevent the user's legs from directly contacting the belt when riding, thereby ensuring the safety of use; on the other hand, the transparent protective cover 22 can also improve the aesthetics.

[0036] like Figure 1 and Figure 2 As shown, the exercise bike further includes a decorative shell 23, which is fixedly disposed between the inertia wheel 1 and the bottom frame 4 to cover the brake assembly and the resistance adjustment assembly. In this embodiment, the decorative shell 23 is disposed between the inertia wheel 1 and the bottom frame 4, which protects the brake assembly and the resistance adjustment assembly and prevents the user from contacting the brake assembly and the resistance adjustment assembly during use. At the same time, the decorative shell 23 also serves as a covering function, thereby improving the aesthetics of the exercise bike.

[0037] like Figure 7 and Figure 8 As shown, the front of the exercise bike is provided with a T-shaped handlebar 24, and the two ends of the T-shaped handlebar 24 are bent toward the front of the bike to form a gripping portion. In this embodiment, a T-shaped handlebar 24 is provided at the front of the exercise bike, adopting a symmetrical T-shaped design, and two gripping portions for gripping are extended toward the front of the bike, providing users with a variety of gripping methods, improving the aesthetics while also enriching the functions. Of course, in other embodiments, brackets of other shapes may also be used.

[0038] like Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, it also includes a rack 25 for placing dumbbells, and the rack 25 is fixedly arranged on the frame below the seat of the exercise bike. In this embodiment, a rack 25 for placing dumbbells is also arranged on the frame below the seat of the exercise bike, which saves the space for placing dumbbells and is humanized in design.

[0039] The use process of the utility model is as follows:

[0040] For the fitness bike of the present invention, when braking is required during riding, the user only needs to pinch the brake handle 5 at the front of the bike, so that the brake line 7 drives the rear end of the connecting rod 9 to press down, so that the front end of the connecting rod 9 tilts up, so that the felt brake pad 10 arranged at the front end of the connecting rod 9 abuts against the inertia wheel 1, and braking is achieved. After releasing the brake handle 5, the front end of the connecting rod 9 will pull the felt brake pad 10 away from the inertia wheel 1 under the action of the return tension spring 11, so that the inertia wheel 1 can rotate normally, and the braking operation is completed.

[0041] When resistance adjustment is required during riding, it is only necessary to adjust the resistance gear of the transmission 6 so that the speed change cable 8 drives the rear end of the magnet assembly 17. Since the front end of the magnet assembly 17 is hinged to the hinge seat 12 through the inverted U-shaped fixing piece 16, the front end of the magnet assembly 17 can also rotate around the hinge, so that the distance between the magnet assembly 17 and the inertia wheel 1 can be adjusted. The inertia wheel 1 is made of steel material, so the closer the distance between the magnet assembly 17 and the inertia wheel 1, the greater the resistance, and the farther the distance between the magnet assembly 17 and the inertia wheel 1, the smaller the resistance. The resistance adjustment operation is now completed.

[0042] In this embodiment, anti-skid seats are also arranged at the four corners of the bottom frame 4, and two pulleys are arranged in front of the bottom frame 4 to facilitate the transportation of the fitness bike.

[0043] The directional terms mentioned in this specification are defined relative to the structures shown in the drawings. They are relative concepts and may change accordingly according to different locations and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0044] The above description is only a preferred embodiment of the present utility model and is not a limitation on the design of the present case. Any equivalent changes made based on the key design of the present case shall fall within the protection scope of the present case.

Claims

1. A new type of fitness bike, characterized by: Including an inertia wheel, a frame, a brake handle, a transmission, a brake cable, a speed change cable, a brake assembly and a resistance adjustment assembly; The inertia wheel is mounted on a vehicle frame, the vehicle frame includes a front frame, a middle frame and a bottom frame, the brake handle and the transmission are respectively arranged at the front of the vehicle on the top of the front frame, and the brake assembly and the resistance adjustment assembly are respectively arranged below the inertia wheel; One end of the brake line is connected to the brake handle, and the other end passes through a guide hole provided in the middle frame and then is connected to the brake assembly along the tube cavity of the middle frame and the tube cavity of the bottom frame; One end of the speed change cable is connected to the transmission, and the other end passes through a guide hole arranged in the middle frame and then is connected to the resistance adjustment component along the tube cavity of the middle frame and the tube cavity of the bottom frame.

2. A new type of fitness bike as claimed in claim 1, characterized in that: The brake assembly includes a connecting rod, a felt brake pad and a return spring. A hinge seat is provided on the bottom frame below the inertia wheel. The connecting rod is hinged on the hinge seat. One side of the connecting rod forms a rear end along the upper rear side, and the rear end is connected to the brake line. The other side of the connecting rod forms a front end with a folded angle along the upper rear side. The felt brake pad is arranged on the front end. One end of the return spring is connected to the front end, and the other end is connected to a positioning nut arranged on the bottom frame. The brake line pulls the rear end of the connecting rod downward to make the front end of the connecting rod warp upward, so that the felt brake pad abuts against the inertia wheel.

3. A new type of fitness bike as claimed in claim 2, characterized in that: It also includes an adjusting knob and a limiting column. A through hole is opened on the bottom frame below the front end of the connecting rod. The limiting column is inserted into the through hole. One end of the limiting column is connected to the adjusting knob to adjust the height of the limiting column. The other end of the limiting column abuts against the bottom of the front end of the connecting rod.

4. A novel fitness vehicle as claimed in claim 1, characterized in that: The resistance adjustment component includes a magnet component, an inverted U-shaped fixing part and a compression spring. The magnet component is arc-shaped. A hinge seat is provided on the bottom frame below the inertia wheel. The front end of the magnet component is hinged on the hinge seat through a U-shaped fixing part. The rear end of the magnet component is connected to the speed change line. One end of the compression spring abuts against the rear end of the magnet component and the other end abuts against the bottom frame. The speed change line is placed in the compression spring. The inertia wheel is made of steel material. The speed change line is used to drive the rear end of the magnet component so that the front end of the magnet component rotates in coordination and the magnet component approaches or moves away from the inertia wheel, thereby realizing the adjustment of the resistance size.

5. A novel fitness vehicle as claimed in claim 4, characterized in that: It also includes an inverted L-shaped support, a bolt and a nut. The inverted L-shaped support is fixedly arranged on the bottom frame below the magnet assembly. The inverted L-shaped support is provided with a threaded through hole. One end of the bolt passes through the threaded through hole and is flexibly connected to the inverted L-shaped support with the nut, and the other end of the bolt rests under the magnet assembly.

6. A novel fitness vehicle as claimed in claim 1, characterized in that: The utility model also comprises a transparent protective cover which is installed between the middle vehicle frame and the inertia wheel and is used for covering the belt between the middle vehicle frame and the inertia wheel.

7. A novel fitness vehicle as claimed in claim 1, characterized in that: The vehicle also comprises a decorative shell, which is fixedly arranged between the inertia wheel and the bottom frame and is used for covering the brake assembly and the resistance adjustment assembly.

8. A novel fitness vehicle as claimed in claim 1, characterized in that: A T-shaped handle is provided at the front of the fitness bike, and two ends of the T-shaped handle are bent toward the front to form a gripping portion.

9. A novel fitness vehicle as claimed in claim 1, characterized in that: The utility model also comprises a storage rack for placing dumbbells, and the storage rack is fixedly arranged on the frame below the seat of the fitness bicycle.

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