CN216963453U - Double-flywheel exercise bicycle - Google Patents

Abstract

The utility model relates to the field of fitness equipment, in particular to a double-flywheel fitness bicycle which comprises a bicycle frame, two flywheel assemblies, two belt rotating wheels and a pedal part, wherein the two flywheel assemblies are rotatably erected on the bicycle frame, the two belt rotating wheels are rotatably erected on the bicycle frame and can rotate in one direction, the pedal part drives the two belt rotating wheels to rotate, a handle and a cushion are arranged on the bicycle frame, the cushion can adjust the horizontal position of the cushion on the bicycle frame, the two belt rotating wheels are respectively in transmission connection with the two flywheel assemblies, the rotating directions of the two belt rotating wheels are opposite, the belt rotating wheels and the flywheel assemblies are in transmission connection through a belt, a pressing wheel mechanism used for loosening and tightening the belt is connected onto the belt, and the pressing wheel mechanism comprises a pressing wheel in contact with the belt, a pressing wheel fixing piece used for erecting the pressing wheel and a tension spring used for adjusting the tightness of the belt. The utility model solves the problem of single exercise effect of the existing exercise bicycle.

Description

Double-flywheel exercise bicycle

Technical Field

The utility model relates to the field of fitness equipment, in particular to a double-flywheel exercise bicycle.

Background

The exercise bicycle is called a power bicycle in the field of sports science, can adjust the intensity during exercise and has the effect of body building, so people refer to the exercise bicycle. The basic structure of the existing exercise bike is shown as an authorized bulletin No. CN2708956Y, a magnetic control device of the exercise bike mainly comprises a frame, a belt wheel, a magnetic control device and a pinch roller device, wherein a front vertical rod is erected in front of an inclined strut body of the frame, the upper end of the front vertical rod is connected with a handle, a cushion strut is arranged in the middle of the inclined strut body, the belt wheel is connected between the cushion strut and the front vertical rod through a shaft, a belt can be sleeved on the periphery of the belt wheel, and the belt can be connected to the pinch roller device to move; the frame is characterized in that a diagonal brace with a high front part and a low back part is used for connecting the front frame body and the rear frame body, and the design of the diagonal brace can lead the gravity center point of the vehicle body to be in front, thus leading the vehicle body to be more stable; the magnetic control device comprises a base frame, a flywheel, a mandrel and a magnet fixing piece, wherein the base frame is fixedly arranged on the rear part of the inclined support body, the mandrel can penetrate through a central shaft seat of the flywheel and is positioned on a first side plate and a second side plate of the base frame, the position of the mandrel is adjacent to the mandrel of the first side plate, the mandrel is tightly matched with the shaft hole of the central shaft seat of the flywheel through a shaft connecting sleeve, a pinch roller device can be arranged on the mandrel at the outer end of the shaft connecting sleeve which is exposed convexly, an external support can be fixed at the outer side of the second side plate of the base frame, the upper end of the external support is provided with a magnet fixing piece in a shaft connection way, the magnet fixing piece moves by taking a fulcrum shaft at the upper end as a fulcrum, the two sides of the inner surface of the magnet fixing piece are provided with side strips, a plurality of magnet blocks can be contained in the side strips on the two sides, and a barrier strip is convexly arranged at the tail end of the magnet fixing piece and can be used for keeping the distance between the magnet fixing piece and the flywheel; the pinch roller device comprises a pinch roller, a pinch roller fixing piece, an extension spring and a shaft sleeve, wherein the shaft sleeve is sleeved on a mandrel, the pinch roller fixing piece is sleeved on the shaft sleeve, one end of the pinch roller fixing piece is connected with the pinch roller in a shaft mode, the other end of the pinch roller fixing piece is fixedly connected with the extension spring, and the position end of the extension spring is fixed on a first side plate; the pinch roller fixing plate takes a mandrel penetrating through the flywheel as a supporting point, and the lever principle of the pinch roller fixing plate is utilized to tension the belt by an extension spring.

The strength of the exercise bike is mostly adjusted by magnetic control.

With the improvement of living standard, people put forward more requirements for the functions of the exercise bicycle, and the exercise muscles of the existing exercise bicycle are fixed, so that the increasing use requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a double-flywheel exercise bicycle, which solves the problem that the existing exercise bicycle is single in exercise effect.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a double-flywheel exercise bicycle, includes the frame, can rotate erects two flywheel subassemblies on the frame, can one-way pivoted belt runners and drive two belt runner pivoted pedal portion of rotatable two erections on the frame, be equipped with handle and cushion on the frame, the cushion can adjust its horizontal position on the frame, and two belt runners are connected with two flywheel subassembly transmissions respectively, and the rotatable opposite direction of two belt runners.

Preferably, be connected through belt drive between belt runner and the flywheel subassembly, connect a pinch roller mechanism that is used for the elasticity belt on the belt, pinch roller mechanism include with the pinch roller of belt contact, be used for erectting the pinch roller stationary blade of pinch roller and the extension spring of adjustment belt elasticity.

Preferably, the handle and the seat cushion are respectively erected on a telescopic frame rod capable of longitudinally stretching to adjust the height of the handle and the seat cushion.

Preferably, a horizontal frame rod is arranged at the upper end of the telescopic inclined rod on one side of the cushion, a movable sliding sleeve and a locking member for fixing the movable sliding sleeve are sleeved outside the horizontal frame rod, and the cushion is installed on the movable sliding sleeve and changes the horizontal position of the cushion through the movable sliding sleeve.

Preferably, the pedal part is provided with a foot sleeve for preventing the pedal from being taken off.

Preferably, the two flywheel assemblies are arranged up and down.

Preferably, the two flywheel assemblies are coaxially distributed and arranged side by side.

Preferably, the bottom of the frame is provided with an anti-skid gasket.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the technical scheme, two groups of flywheel assemblies are matched with two belt rotating wheels, so that bidirectional impedance training of forward and reverse rotation can be realized, the flywheel assemblies are magnetically controlled to adjust the resistance, and the flywheel assemblies are matched with a cushion at a movable position, so that main force application muscles can be changed during forward and reverse rotation impedance training, and the purpose of fully exercising muscles at different positions is achieved, therefore, a sporter can exercise heart-lung oxygen and different muscle groups on legs, diversified training of one device is realized, and the exercise efficiency of the exercise bike is improved;

the two flywheel assemblies are matched with the belt rotating wheel to realize one-way transmission, so that mutual interference cannot occur in forward rotation and reverse rotation, the structure is very compact, and the occupied area is small.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a front view direction according to an embodiment of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a frame; 11. a longitudinal mounting plate; 12. a telescoping mast bar; 13. a reinforcing strut; 14. an anti-slip washer; 2. a flywheel assembly; 3. a belt pulley; 31. a pinch roller; 32. a pinch roller fixing piece; 33. an extension spring; 4. a pedal portion; 41. a foot cover; 5. a grip; 6. a cushion; 61. a horizontal frame bar; 62. moving the sliding sleeve; 63. and a locking member.

Detailed Description

The following detailed description will be provided for the embodiments of the present invention with reference to specific embodiments, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Examples

Referring to fig. 1, 2 and 3, a double-flywheel exercise bike comprises a frame 1, two flywheel assemblies 2 rotatably mounted on the frame 1, two belt pulleys 3 rotatably mounted on the frame 1 and capable of rotating in one direction, and a pedal portion 4 driving the two belt pulleys 3 to rotate, wherein a grip 5 and a seat cushion 6 are arranged on the frame 1, the seat cushion 6 can adjust the horizontal position of the seat cushion on the frame 1, the two belt pulleys 3 are respectively in transmission connection with the two flywheel assemblies 2, and the rotatable directions of the two belt pulleys 3 are opposite; structurally, a longitudinal mounting plate 11 is arranged on a frame 1, and two flywheel assemblies 2 are arranged up and down and are mounted on the longitudinal mounting plate 11;

specifically, two groups of flywheel components 2 are matched with two belt rotating wheels 3, so that bidirectional impedance training of forward and reverse rotation can be realized, the flywheel components 2 are magnetically controlled to adjust the resistance, and the cushion 6 at the movable position is matched, so that main force application muscles can be changed during forward and reverse rotation impedance training, and the purpose of fully exercising muscles at different positions is achieved, thus a sporter can obtain cardio-pulmonary aerobic exercise and exercise of different muscle groups on legs, diversified training of one device is realized, and the exercise efficiency of the exercise bike is improved; the two flywheel assemblies 2 are in one-way transmission by matching with the belt rotating wheels 3, so that mutual interference between positive rotation and negative rotation can be avoided, the structure is very compact, and the occupied area is small;

structurally, the belt rotating wheel 3 is in transmission connection with the flywheel assembly 2 through a belt, a pressing wheel mechanism for loosening and tightening the belt is connected to the belt, and the pressing wheel mechanism comprises a pressing wheel 31 in contact with the belt, a pressing wheel fixing plate 32 for erecting the pressing wheel 31 and an extension spring 33 for adjusting the tightness of the belt; the middle part of the pinch roller fixing sheet 32 is hinged to the longitudinal mounting plate 11, one end of the pinch roller fixing sheet 32 is provided with a pinch roller 31, the other end of the pinch roller fixing sheet 32 is hung on one end of the extension spring 33, the end of the other end of the extension spring 33 is hung on the other position of the longitudinal mounting plate 11, and the tension force of the belt is automatically adjusted through the extension spring 33; a pinch roller mechanism is arranged, and a tension spring 33 is matched with a pinch roller fixing sheet 32 to apply force and pre-tighten on the belt, so that the belt is prevented from slipping or being in an over-tight state, and the smoothness during operation is ensured;

in this embodiment, the handle 5 and the seat cushion 6 are respectively erected on the telescopic frame rods 12 which can be longitudinally extended and retracted to adjust the height thereof; specifically, the telescopic frame rod 12 is an obliquely arranged sleeve pipe structure with an inner pipe and an outer pipe, and the telescopic structure can be stretched by changing the positions of the inner pipe and the outer pipe; meanwhile, in order to improve the structural rigidity, a reinforcing strut 13 is arranged between the telescopic frame rod 12 and the frame 1;

in this embodiment, a horizontal frame rod 61 is disposed at the upper end of the telescopic diagonal rod at one side of the seat cushion 6, a movable sliding sleeve 62 and a locking member 63 for fixing the movable sliding sleeve 62 are sleeved outside the horizontal frame rod 61, and the seat cushion 6 is mounted on the movable sliding sleeve 62 and the horizontal position thereof is changed by the movable sliding sleeve 62; when in use, the muscle group for applying force is correspondingly changed by moving the position of the sliding sleeve 62 according to different treading directions, so as to realize high-efficiency targeted exercise;

in this embodiment, the step portion 4 is provided with a foot cover 41 for preventing the step-off. The foot cover 41 can prevent the feet of the human body from accidentally slipping off from the pedal part 4 during exercise, and avoid the injury caused by the movement.

In order to improve the structural stability, the bottom of the frame 1 is provided with an anti-skid gasket 14; the anti-skid washer 14 is arranged to ensure the fixed position of the frame 1 and reduce the shaking during the movement.

It should be noted that the flywheel assemblies 2 arranged up and down can make the structure compact and convenient to install, but the technical scheme can also adopt a mode that the two flywheel assemblies 2 are coaxially distributed and arranged side by side, and can also meet the requirements shown in the technical scheme in function, and the technical scheme also covers the flywheel assemblies;

meanwhile, the flywheel assembly 2 is well known to those skilled in the art, and a structure of a magnetic control wheel is adopted herein, and a basic mechanism such as CN2708956Y or an equivalent structure can be used, which will not be described herein.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. A double flywheel exercise bicycle is characterized in that: including frame (1), rotatable the erection two flywheel subassemblies (2), the rotatable two unidirectional rotating's belt runner (3) of erectting on frame (1) and drive two belt runner (3) pivoted pedal portion (4), be equipped with handle (5) and cushion (6) on frame (1), the horizontal position of its on frame (1) can be adjusted in cushion (6), and two belt runner (3) are connected with two flywheel subassemblies (2) transmission respectively, and the rotatable opposite direction of two belt runners (3).

2. A dual flywheel exercise bike according to claim 1, wherein: be connected through belt transmission between belt runner (3) and flywheel subassembly (2), connect a pinch roller mechanism who is used for the elasticity belt on the belt, pinch roller mechanism include with pinch roller (31) of belt contact, be used for erectting pinch roller stationary blade (32) of pinch roller (31) and extension spring (33) of adjustment belt elasticity.

3. A dual flywheel exercise bike according to claim 2, wherein: the handle (5) and the cushion (6) are respectively erected on a telescopic frame rod (12) which can be longitudinally stretched and contracted so as to adjust the height of the telescopic frame rod.

4. A dual flywheel exercise bike according to claim 3, wherein: the utility model discloses a cushion (6) is characterized in that the flexible down tube upper end of cushion (6) one side is provided with horizontal hack lever (61), horizontal hack lever (61) cup joint one outward and remove sliding sleeve (62) and install fixedly retaining member (63) of removing sliding sleeve (62), cushion (6) are installed remove on sliding sleeve (62) and pass through remove sliding sleeve (62) and change its horizontal position.

5. A twin flywheel exercise bike according to any of claims 1 to 4, wherein: the pedal part (4) is provided with a foot sleeve (41) for preventing the pedal from being taken off.

6. A twin flywheel exercise bike according to any of claims 1 to 4, wherein: the two flywheel components (2) are arranged up and down.

7. A twin flywheel exercise bike according to any of claims 1 to 4, wherein: the two flywheel components (2) are coaxially distributed and arranged side by side.

8. A twin flywheel exercise bike according to any of claims 1 to 4, wherein: the bottom of the frame (1) is provided with an anti-skid gasket (14).

Images