A simple fitness bike with adjustable resistance

Abstract

The utility model provides a simple fitness bike with adjustable resistance, which relates to the technical field of fitness bikes, including: a support base plate, an adjustment device is arranged on one side of the surface of the support base plate, two support plates are fixedly installed on the other side of the surface of the support base plate, a pedal device is arranged in the middle of the two support plates, an adjustment seat device is arranged on the top of the two support plates, and a mounting frame is fixedly installed on the top of the adjustment device. In the utility model, the user sits on the seat surface, holds two handles with both hands, and steps on two pedals with both feet. Stepping on the pedals drives the rotating rod and the transmission shaft to rotate, thereby driving the pulley to rotate. The pulley drives the flywheel to rotate through the belt, and the flywheel increases the power required for rotation, thereby achieving the purpose of fitness exercise for the user. The overall size of the device is moderate, and it can be used without connecting to an external power supply. The structure is simple, which is convenient for people to use at home.

Description

Technical Field

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

[0002] In the field of sports science, exercise bikes are called "power bikes". They are divided into upright and recumbent (also called horizontal) exercise bikes. They can adjust the intensity (power) during exercise to achieve a fitness effect, so people call them exercise bikes.

[0003] In the prior art, the design of exercise bikes is becoming more and more intelligent, but at the same time, their operation is more complicated and their size is larger, making them unsuitable for people to use at home. In addition, in terms of adjusting the resistance of the exercise bikes, most of them use smart screen controls, which is inconvenient for middle-aged and elderly users to operate.

[0004] Therefore, a simple fitness bike with adjustable resistance is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a simple fitness bike with adjustable resistance, comprising: a supporting base plate, an adjustment device is arranged on one side of the surface of the supporting base plate, two supporting plates are fixedly installed on the other side of the surface of the supporting base plate, a foot pedal device is arranged in the middle of the two supporting plates, an adjustable seat device is arranged on the top of the two supporting plates, a mounting frame is fixedly installed on the top of the adjustment device, and a connecting plate is fixedly connected between the middle of the two support plates and one side of the mounting frame.

[0007] As a preferred embodiment, the adjusting device includes a protective ring, the bottom of which is fixedly mounted on the surface of the supporting base plate, the top of the protective ring is fixedly connected to the center of the bottom of the mounting frame, a movable groove 1 is opened on the surface of the protective ring, a limiting shaft is fixedly mounted on the inner side of the top of the protective ring, two limiting rods are arranged on the surface of the limiting shaft through a bearing sleeve, one end of each of the two limiting rods is connected to a connecting rod 1 through a movable shaft, one end of each of the two connecting rods 1 is connected to a connecting rod 2 through a movable shaft, the other ends of each of the two connecting rods 1 are fixedly mounted with brake pads, one end of each of the two connecting rods 2 is movably connected to a connecting rod 3, the top of the connecting rod 3 is fixedly connected with a threaded rod, a threaded sleeve is threadedly mounted on the surface of the threaded rod, and a rotating handle is fixedly mounted on the top of the threaded sleeve.

[0008] As a preferred embodiment, the pedal device includes a transmission shaft, the surface of the transmission shaft is embedded in the surfaces of two support plates through bearings, a pulley is fixedly sleeved on the surface of the transmission shaft, both ends of the transmission shaft are fixedly connected with rotating rods, and one side of the two rotating rods is connected to a pedal through a movable shaft.

[0009] As a preferred embodiment, the adjustable seat device includes a base, the bottom of the base is fixedly mounted on the top of the two support plates, a movable groove 2 is opened on one side of the base, a limiting plate is movably embedded inside the base, a threaded hole is opened through one side of the limiting plate, a seat is fixedly mounted on the top of the limiting plate, a tension bolt is threadedly mounted on the internal thread of the threaded hole, and the surface of the tension bolt moves inside the movable groove 2.

[0010] As a preferred embodiment, handles are fixedly installed on both sides of the top of the mounting frame, a mounting groove 1 is opened on the top side inside the mounting frame, a mounting groove 2 is opened on the bottom side inside the mounting frame, the mounting groove 1 is connected to the mounting groove 2, the top end of the surface of the threaded sleeve is embedded in the interior of the mounting groove 1 through a bearing, the threaded rod and the threaded sleeve are both movable in the interior of the mounting groove 1, the connecting rod 2 and the connecting rod 3 are both movable in the interior of the mounting groove 2, mounting plates are fixedly installed on both sides of the bottom of the mounting frame, support shafts are fixedly installed on the inner sides of the two mounting plates, and a flywheel is provided on the surface of the support shaft through a bearing sleeve.

[0011] As a preferred embodiment, the surfaces of the pulley and the flywheel are covered with belts.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. The utility model adopts a structure similar to that of a traditional bicycle. The flywheel is driven to rotate by pedaling the pedal device to achieve the purpose of fitness. When using the device for fitness activities, the device can be placed in a suitable position. The user sits on the surface of the seat, holds the two handles with both hands, and steps on the two pedals with both feet. Stepping on the pedals drives the rotating rod and the transmission shaft to rotate, thereby driving the pulley to rotate. The pulley drives the flywheel to rotate through the belt, and the flywheel increases the power required for rotation, thereby achieving the purpose of fitness exercise for the user. The overall size of the device is moderate, and it can be used without connecting to an external power supply. The structure is simple, and it is convenient for people to use at home.

[0014] 2. The utility model adopts a mechanical adjustment design for adjusting the resistance. The user turns the rotating handle on the top of the mounting frame, and the rotating handle drives the threaded sleeve to rotate. The rotation of the threaded sleeve causes the threaded rod to rotate and descend inside the threaded sleeve, thereby driving the connecting rod three and the connecting rod two to descend. The connecting rod two pushes the connecting rod one, and the connecting rod one is limited by the limit rod. As the bottom end of the connecting rod two descends, it closes, thereby driving the brake pad to clamp the flywheel to increase friction and thus increase resistance. The resistance can be adjusted by simply turning the rotating handle. The operation is simple and convenient for everyone to learn. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the main body of a simple fitness bike with adjustable resistance provided by the utility model;

[0016] Figure 2 A side view of a simple fitness bike with adjustable resistance provided by the utility model;

[0017] Figure 3 A structural diagram of an adjustable seat device of a simple fitness bike with adjustable resistance provided by the utility model;

[0018] Figure 4 A structural diagram of an adjustment device for a simple fitness bike with adjustable resistance provided by the utility model;

[0019] Figure 5 A structural diagram of an adjustment device for a simple fitness bike with adjustable resistance provided by the utility model;

[0020] Figure 6 The utility model provides a cross-sectional structural diagram of a mounting frame of a simple fitness bike with adjustable resistance.

[0021] Legend:

[0022] 1. Support base plate; 2. Adjustment device; 201. Protection ring; 202. Active slot 1; 203. Limiting shaft; 204. Limiting rod; 205. Connecting rod 1; 206. Connecting rod 2; 207. Connecting rod 3; 208. Threaded rod; 209. Threaded sleeve; 210. Rotating handle; 211. Brake pad; 3. Support plate; 4. Pedal device; 401. Transmission shaft; 402. Pulley; 403. Rotating rod; 404. Pedal; 5. Adjustment seat device; 501. Base; 502. Active slot 2; 503. Limiting plate; 504. Threaded hole; 505. Seat; 506. Tension bolt; 6. Mounting frame; 601. Handle; 602. Mounting slot 1; 603. Mounting slot 2; 604. Mounting plate; 605. Support shaft; 606. Flywheel; 7. Connecting plate; 8. Belt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 The utility model provides a technical solution: a simple fitness bike with adjustable resistance, comprising: a supporting base plate 1, an adjusting device 2 is arranged on one side of the surface of the supporting base plate 1, two supporting plates 3 are fixedly installed on the other side of the surface of the supporting base plate 1, a pedal device 4 is arranged in the middle of the two supporting plates 3, an adjusting seat device 5 is arranged on the top of the two supporting plates 3, a mounting frame 6 is fixedly installed on the top of the adjusting device 2, and a connecting plate 7 is fixedly connected between the middle of the two supporting plates 3 and one side of the mounting frame 6.

[0025] Specifically: the support base plate 1 supports the adjustment device 2 and the support plate 3, the adjustment device 2 plays a role in adjusting resistance, the support plate 3 supports the foot pedal device 4 and the adjustment seat device 5, the foot pedal device 4 cooperates with the flywheel 606 to perform fitness exercises, the adjustment seat device 5 can be adjusted according to the user, and the connecting plate 7 plays a role in connecting and supporting.

[0026] In one embodiment, the adjusting device 2 includes a protective ring 201, the bottom of which is fixedly mounted on the surface of the supporting base plate 1, the top of which is fixedly connected to the center of the bottom of the mounting frame 6, a movable groove 1 202 is provided on the surface of the protective ring 201, a limiting shaft 203 is fixedly mounted on the inner side of the top of the protective ring 201, two limiting rods 204 are provided on the surface of the limiting shaft 203 through a bearing sleeve, one end of the two limiting rods 204 are rotatably connected to a connecting rod 1 205 through a movable shaft, one end of the two connecting rods 1 205 are rotatably connected to a connecting rod 2 206 through a movable shaft, the other ends of the two connecting rods 1 205 are fixedly mounted with brake pads 211, one end of the two connecting rods 206 are movably connected to a connecting rod 3 207, the top of the connecting rod 3 207 is fixedly connected with a threaded rod 208, a threaded sleeve 209 is threadedly sleeved on the surface of the threaded rod 208, and a rotating handle 210 is fixedly mounted on the top of the threaded sleeve 209.

[0027] Specifically: by turning the rotating handle 210, the rotating handle 210 drives the threaded sleeve 209 to rotate. The rotation of the threaded sleeve 209 causes the threaded rod 208 to rotate and rise inside the threaded sleeve 209, thereby driving the connecting rod three 207 and the connecting rod two 206 to rise. The connecting rod two 206 will pull the connecting rod one 205. The connecting rod one 205 is limited by the limit rod 204, and is retracted as the connecting rod two 206 rises and falls, thereby driving the brake pad 211 to clamp the flywheel 606 to increase friction and thereby increase resistance.

[0028] In one embodiment, the pedal device 4 includes a transmission shaft 401, the surface of the transmission shaft 401 is embedded in the surfaces of the two support plates 3 through a bearing, a pulley 402 is fixedly sleeved on the surface of the transmission shaft 401, both ends of the transmission shaft 401 are fixedly connected to a rotating rod 403, and one side of the two rotating rods 403 is connected to a pedal 404 through a movable shaft.

[0029] Specifically, stepping on the foot pedal 404 drives the rotating rod 403 and the transmission shaft 401 to rotate, thereby driving the pulley 402 to rotate, and the pulley 402 drives the flywheel 606 to rotate through the belt 8.

[0030] In one embodiment, the adjustable seat device 5 includes a base 501, the bottom of which is fixedly mounted on the top of the two support plates 3, a movable groove 2 502 is provided on one side of the base 501, a limiting plate 503 is movably embedded inside the base 501, a threaded hole 504 is provided on one side of the limiting plate 503, a seat 505 is fixedly mounted on the top of the limiting plate 503, a tension bolt 506 is threadedly mounted on the internal thread of the threaded hole 504, and the surface of the tension bolt 506 is movable inside the movable groove 2 502.

[0031] Specifically: by rotating and loosening the tension bolt 506, the position of the limit plate 503 inside the base 501 can be adjusted. After adjustment, tighten the tension bolt 506 so that one end of the tension bolt 506 is against the inner wall of the base 501, thereby limiting and fixing the threaded hole 504 and the seat 505.

[0032] In one embodiment, handles 601 are fixedly installed on both sides of the top of the mounting frame 6, a mounting groove 1 602 is opened on the top side inside the mounting frame 6, a mounting groove 2 603 is opened on the bottom side inside the mounting frame 6, the mounting groove 1 602 is connected with the mounting groove 2 603, the top end of the surface of the threaded sleeve 209 is embedded in the interior of the mounting groove 1 602 through a bearing, the threaded rod 208 and the threaded sleeve 209 are both movable inside the mounting groove 1 602, the connecting rod 206 and the connecting rod 3 207 are both movable inside the mounting groove 2 603, and mounting plates 604 are fixedly installed on both sides of the bottom of the mounting frame 6, and support shafts 605 are fixedly installed on the inner sides of the two mounting plates 604, and a flywheel 606 is provided on the surface of the support shaft 605 through a bearing sleeve.

[0033] Specifically: the mounting frame 6 plays a supporting and installing role. When in use, the handle 601 can be held to assist in balance. The mounting groove 1 602 and the mounting groove 2 603 facilitate the movement of the adjustment device 2 when adjusting the resistance. The mounting plate 604 plays an installing role for the support shaft 605, and the support shaft 605 plays a supporting role for the flywheel 606.

[0034] In one embodiment, a belt 8 is sleeved on the surface of the pulley 402 and the flywheel 606 .

[0035] Specifically, the pulley 402 and the flywheel 606 are connected by the belt 8, so that the flywheel 606 can be driven to rotate when the pulley 402 rotates.

[0036] Working principle: The utility model adopts a structure similar to that of a traditional bicycle, and the flywheel 606 is driven to rotate by stepping on the pedal device 4 to achieve the purpose of fitness. When using the device for fitness activities, the device can be placed in a suitable position. The user sits on the surface of the seat 505, holds the two handles 601 with both hands, and steps on the two pedals 404 with both feet. Stepping on the pedals 404 drives the rotating rod 403 and the transmission shaft 401 to rotate, thereby driving the pulley 402 to rotate. The pulley 402 drives the flywheel 606 to rotate through the belt 8, and the flywheel 606 increases the power required for rotation, thereby achieving the purpose of fitness exercise for the user. The overall size of the device is moderate, and it can be used without connecting to an external power supply. The structure is simple and convenient for people. The invention relates to a mechanical adjustment device for use at home. The mechanical adjustment device is designed for adjusting resistance. The user rotates the rotating handle 210 on the top of the mounting frame 6, and the rotating handle 210 drives the threaded sleeve 209 to rotate. The rotation of the threaded sleeve 209 causes the threaded rod 208 to rotate and descend inside the threaded sleeve 209, thereby driving the connecting rod three 207 and the connecting rod two 206 to descend. The connecting rod two 206 pushes the connecting rod one 205. The connecting rod one 205 is limited by the limiting rod 204. As the connecting rod two 206 descends, the bottom end is closed, thereby driving the brake pad 211 to clamp the flywheel 606 to increase friction and thus increase resistance. The user only needs to turn the rotating handle 210 to complete the adjustment of resistance. The operation is simple and convenient for operation and learning by all groups of people.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A simple fitness bike with adjustable resistance, characterized in that: include: A support base plate (1), wherein an adjustment device (2) is provided on one side of the surface of the support base plate (1), two support plates (3) are fixedly mounted on the other side of the surface of the support base plate (1), a footrest device (4) is provided between the two support plates (3), an adjustment seat device (5) is provided on the top of the two support plates (3), a mounting frame (6) is fixedly mounted on the top of the adjustment device (2), and a connecting plate (7) is fixedly connected between the two support plates (3) and one side of the mounting frame (6).

2. The simple fitness bike with adjustable resistance according to claim 1, characterized in that: The adjusting device (2) comprises a protective ring (201), the bottom of the protective ring (201) is fixedly mounted on the surface of the supporting base plate (1), the top of the protective ring (201) is fixedly connected to the center of the bottom of the mounting frame (6), the surface of the protective ring (201) is provided with a movable groove (202), the inner side of the top of the protective ring (201) is fixedly mounted with a limit shaft (203), the surface of the limit shaft (203) is provided with two limit rods (204) via a bearing sleeve, one end of each of the two limit rods (204) is connected to a connecting rod via a movable shaft. A connecting rod (205), one end of each of the two connecting rods (205) is connected to a connecting rod (206) via a movable shaft, the other end of each of the two connecting rods (205) is fixedly mounted with a brake pad (211), one end of each of the two connecting rods (206) is movably connected to a connecting rod (207), the top of each of the connecting rods (207) is fixedly connected to a threaded rod (208), a threaded sleeve (209) is threadedly sleeved on the surface of the threaded rod (208), and a rotating handle (210) is fixedly mounted on the top of the threaded sleeve (209).

3. The simple fitness bike with adjustable resistance according to claim 1, characterized in that: The pedal device (4) comprises a transmission shaft (401), the surface of the transmission shaft (401) being embedded in the surfaces of two support plates (3) via a bearing, a pulley (402) being fixedly sleeved on the surface of the transmission shaft (401), both ends of the transmission shaft (401) being fixedly connected to a rotating rod (403), and one side of each of the two rotating rods (403) being connected to a pedal (404) via a movable shaft.

4. The simple fitness bike with adjustable resistance according to claim 1, characterized in that: The adjustable seat device (5) comprises a base (501), the bottom of the base (501) is fixedly mounted on the tops of the two support plates (3), one side of the base (501) is provided with a movable groove (502), a limit plate (503) is movably embedded inside the base (501), one side of the limit plate (503) is provided with a threaded hole (504), a seat (505) is fixedly mounted on the top of the limit plate (503), a tension bolt (506) is threadedly mounted inside the threaded hole (504), and the surface of the tension bolt (506) is movable inside the movable groove (502).

5. The simple fitness bike with adjustable resistance according to claim 2, characterized in that: Handles (601) are fixedly mounted on both sides of the top of the mounting frame (6); a mounting groove 1 (602) is provided on the top side of the mounting frame (6); a mounting groove 2 (603) is provided on the bottom side of the mounting frame (6); the mounting groove 1 (602) and the mounting groove 2 (603) are connected to each other; the top end of the surface of the threaded sleeve (209) is embedded in the interior of the mounting groove 1 (602) through a bearing; the threaded rod (208) and the threaded sleeve (209) are both movable in the interior of the mounting groove 1 (602); the connecting rod 2 (206) and the connecting rod 3 (207) are both movable in the interior of the mounting groove 2 (603); mounting plates (604) are fixedly mounted on both sides of the bottom of the mounting frame (6); support shafts (605) are fixedly mounted on the inner sides of the two mounting plates (604); and a flywheel (606) is provided on the surface of the support shaft (605) through a bearing sleeve.

6. The simple fitness bike with adjustable resistance according to claim 3, characterized in that: The surfaces of the pulley (402) and the flywheel (606) are sleeved with a belt (8).

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