CN215609082U - Unidirectional rotation BIKE exercise bicycle - Google Patents

Abstract

The utility model relates to the field of fitness equipment, in particular to a unidirectional-rotation BIKE fitness bicycle, which comprises a bicycle frame, wherein a flywheel comprises a wheel body and a flywheel shaft, the wheel body is in transmission connection with the flywheel shaft, and the flywheel shaft is in rotation connection with the bicycle frame; the pedal mechanism is rotationally arranged on the frame, and the flywheel shaft is in transmission connection with the output end of the pedal mechanism; the cushion can be lifted and can be arranged on the frame in a back-and-forth moving way; the flywheel is rotatably arranged on the frame through the overrunning clutch; the axle center of the wheel body is provided with a first positioning groove which is coaxial with the wheel body and penetrates through the wheel body, two ends of the first positioning groove are respectively provided with an end cover, an overrunning clutch is arranged in the first positioning groove and positioned between the two end covers, and the overrunning clutch is in transmission connection with the wheel body; the flywheel shaft is rotatably connected with the frame, penetrates through the first positioning groove through the end cover and is rotatably connected with the wheel body, and is in transmission connection with the overrunning clutch, so that the technical problem that the pedal cannot rotate along with the flywheel is solved.

Description

Unidirectional rotation BIKE exercise bicycle

Technical Field

The utility model relates to the field of fitness equipment, in particular to a unidirectional rotation BIKE exercise bicycle.

Background

The exercise bicycle is called a power bicycle in the field of sports science, and is divided into two types, namely a vertical type exercise bicycle and a back-to-back type exercise bicycle (also called a horizontal type exercise bicycle), and the strength (power) of the exercise bicycle can be adjusted to achieve the effect of exercise, so that the exercise bicycle is called as an exercise bicycle.

Aerobic exercise equipment that is typical of simulated outdoor sports is also known as cardiopulmonary exercise equipment. The body can be exercised for a long time and with proper intensity to promote the cardiovascular exercise, accelerate the metabolism and enhance the functions of the heart and the lung, thereby improving the physique of the human body.

The exercise bicycle pedal on the existing market can rotate along with the flywheel, so that when the exercise personnel do not move under the action of power, the exercise personnel are forced to move, the exercise personnel can have a rest after the flywheel stops, and the cushion of the exercise bicycle can be adjusted only up and down and cannot be adjusted left and right, so that part of the exercise personnel cannot use the exercise bicycle.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, a unidirectional rotation BIKE exercise bicycle is provided.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

a unidirectional rotation BIKE exercise bicycle, which comprises a bicycle frame,

the flywheel comprises a wheel body and a flywheel shaft, the wheel body is in transmission connection with the flywheel shaft, and the flywheel shaft is in rotational connection with the frame;

the pedal mechanism is rotationally arranged on the frame, and the flywheel shaft is in transmission connection with the output end of the pedal mechanism;

the cushion can be lifted and can be arranged on the frame in a back-and-forth moving manner;

also comprises the following steps of (1) preparing,

the flywheel is rotatably arranged on the frame through the overrunning clutch;

the axle center of the wheel body is provided with a first positioning groove which is coaxial with the wheel body and penetrates through the wheel body, two ends of the first positioning groove are respectively provided with an end cover, an overrunning clutch is arranged in the first positioning groove and positioned between the two end covers, and the overrunning clutch is in transmission connection with the wheel body;

the flywheel shaft is rotatably connected with the frame, penetrates through the first positioning groove through the end cover and is rotatably connected with the wheel body, and the flywheel shaft is in transmission connection with the overrunning clutch.

Preferably, the pedal mechanism comprises a pedal shaft which is rotatably connected with the frame; the same ends of the two cranks are respectively and fixedly arranged at the two ends of the pedal shaft; the two pedals are in one-to-one correspondence with the cranks and are respectively arranged at the other ends of the two cranks; the transmission mechanism is arranged on the frame, the input end of the transmission mechanism is in transmission connection with the pedal shaft, and the output end of the transmission mechanism is in transmission connection with the flywheel shaft.

Preferably, the transmission mechanism comprises a large belt wheel, and the large belt wheel is in transmission connection with the pedal shaft; the small belt wheel is arranged at one end of the flywheel shaft and is in transmission connection with the flywheel shaft; the belt is tightly attached to the large belt wheel and the small belt wheel, and the large belt wheel and the small belt wheel are in transmission connection through the belt.

Preferably, drive mechanism still includes, the take-up pulley, and the take-up pulley is installed on the frame, and the take-up pulley is located between big band pulley and the little band pulley to the take-up pulley is laminated with the belt.

Preferably, the pedal comprises two pedal plates, and two pedal plate buckles are respectively arranged at two ends of each pedal plate;

one ends of the two pedal shafts are rotatably connected with the two pedals, and the other ends of the two pedal shafts are respectively hinged with a crank;

the two anti-falling belts are connected with the pedal through pedal buckles.

Preferably, the frame comprises a flywheel bracket, wherein the flywheel bracket comprises two bearings, at least two bearing seats and two side plates;

the two bearings are respectively arranged at two ends of the flywheel shaft; the two bearings are respectively arranged in the bearing seat, and the flywheel shaft is rotationally connected with the bearing seat through the bearings;

the two side plates are vertically arranged on the frame in parallel and have the same size, the two side plates are positioned on two sides of the flywheel and are parallel to the flywheel, the two bearing seats are respectively and fixedly arranged on the two side plates, and the distance between the mounting position of each bearing seat and the bottom of each side plate is larger than the radius of the flywheel.

Preferably, the frame further comprises a handrail, wherein the handrail comprises a handrail support and a handrail handle; the bottom end of the handrail support is fixedly connected with the frame; the handrail handle is fixedly arranged at the top end of the handrail support and consists of a cross rod vertical to the handrail support and handle parts extending towards the front upper part of the frame at the two ends of the cross rod.

Preferably, the frame further comprises a cushion bracket, wherein the cushion bracket comprises a cushion bracket outer pipe, a cushion bracket inner pipe and a cushion bracket bolt;

the bottom of the outer tube of the cushion bracket is fixedly arranged on the frame, and the side surface of the top end of the outer tube of the cushion bracket is provided with a fastening hole;

the outer wall of the inner tube of the cushion bracket can be tightly attached to the inner wall of the outer tube of the cushion bracket for up-and-down adjustment, and the inner tube of the cushion bracket is provided with a plurality of adjusting holes matched with the fastening holes along the length direction;

the cushion support bolt is used for fixing the position of the cushion support inner pipe on the cushion support outer pipe through the fastening hole and the adjusting hole.

Preferably, the cushion bracket also comprises a cushion seat, the cushion seat is in a hollow rectangle shape, one side of the cushion seat is provided with a cushion fixing hole fixedly installed with the cushion, and the side far away from the cushion fixing hole is provided with a first moving groove;

the cushion bottom plate is horizontally and fixedly arranged at the top end of the inner pipe of the cushion bracket, and a first positioning hole matched with the first moving groove is formed in the cushion bottom plate;

cushion seat bolt, cushion seat bolt pass through first shifting chute and the fixed cushion seat of first locating hole and cushion bottom plate.

Preferably, the frame still includes, the base, and the base includes that two are pasted pipe and a stay tube, and the both ends of stay tube are I shape fixed connection with two pastes the pipe, the middle part of bracing piece and the bottom fixed connection of cushion support outer tube, two blocks of curb plate fixed connection of bracing piece and flywheel bracket, and one of them both ends of pasting the pipe still install loose pulley assembly.

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

1. according to the flywheel pedal, the overrunning clutch is arranged in the positioning groove of the wheel body, so that the wheel body is in transmission connection with the flywheel shaft through the overrunning clutch to execute the step that the flywheel shaft cannot rotate along with the wheel body, and the technical problem that the pedal cannot rotate along with the flywheel is solved;

2. the step that the pedal plate drives the flywheel to rotate is executed through the pedal shaft, the two cranks, the two pedal plates and the transmission mechanism, and the technical problem that how a body builder drives the flywheel to rotate through the pedal plate is solved;

3. the step that the large belt wheel drives the small belt wheel to rotate is executed through the large belt wheel, the small belt wheel and the belt, and the technical problem that the pedal shaft drives the flywheel shaft to rotate is solved;

4. the step of tensioning the belt is executed through the tensioning wheel, so that the technical problem that the belt is always in a tensioned state between the large belt wheel and the small belt wheel is solved;

5. the pedal shaft is arranged on the pedal, the two ends of the pedal are connected through the fixing belt, and the pedal is rotatably connected with the crank, so that the technical problem that the feet of a body builder can rotate on the pedal and cannot easily slide is solved;

6. the flywheel bracket is used for executing the step of mounting the flywheel, so that the technical problem of how to idle the flywheel in the air is solved;

7. the step of stabilizing the body shape of the fitness personnel is executed through the armrest support and the armrest handle, so that the technical problem that the gravity center is unstable and needs to be supported when the fitness personnel rides a bicycle is solved;

8. the method has the advantages that the steps of lifting the seat cushion are executed through the seat cushion support outer tube, the seat cushion support inner tube and the seat cushion support bolt, so that the technical problem that fitness personnel with different heights can use the one-way rotating BIKE exercise bicycle is solved;

9. the cushion seat, the cushion bottom plate and the cushion seat bolt are used for executing the step of moving the cushion back and forth, so that the technical problem that fitness personnel with different arm lengths can use the unidirectional-rotation BIKE exercise bicycle is solved;

10. this application is through two bases of pasting pipe and stay tube constitution for the step of fixed automobile body is carried out, has solved the technical problem that unidirectional rotation BIKE exercise bicycle can both remove and place on different ground.

Drawings

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

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a front view of the flywheel and flywheel carrier of the present invention;

FIG. 5 is a cross-sectional view taken along A-A of FIG. 4;

fig. 6 is a perspective view of the connection of the seat cushion bracket and the seat cushion of the present invention;

FIG. 7 is an exploded view of the seat cushion, seat cushion pan, seat cushion base plate and seat cushion pan latch of the present invention;

FIG. 8 is a perspective view of the connection of the footrest and crank of the present invention;

FIG. 9 is a perspective view of the pedal mechanism and bracket assembly of the present invention;

fig. 10 is a front view of an armrest of the present invention.

The reference numbers in the figures are:

1-a vehicle frame; 1 a-a flywheel bracket; 1a 1-bearing; 1a 2-bearing seat; 1a 3-side panel; 1 b-a handrail; 1b 1-arm rest support; 1b 2-armrest handle; 1b 3-Cross-Bar; 1b 4-handle; 1 c-a cushion support; 1c 1-cushion support outer tube; 1c 2-cushion support inner tube; 1c 3-cushion bracket latch; 1c 4-fastening hole; 1c 5-adjustment holes; 1 d-a base; 1d 1-support tube; 1d 2-Tie Dian; 1e 1-cushion seat; 1e 2-cushion pan; 1e 3-cushion seat bolt; 1e 4-cushion fixing hole; 1e5 — first moving slot; 1e 6-first locating hole.

2-a flywheel; 2 a-a wheel body; 2a1 — first detent; 2a 2-end cap; 2 b-flywheel shaft;

3-an overrunning clutch;

4-a pedal mechanism; 4 a-a foot pedal; 4a 1-foot pedal; 4a 2-pedal shaft; 4a 3-anti-slip band; 4a 4-pedal buckle; 4 b-crank; 4 c-pedal axis; 4 d-a transmission mechanism; 4d 1-large pulley; 4d 2-small pulley; 4d 3-belt; 4d 4-tension wheel;

5-cushion;

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In order to solve the technical problem that the pedal 4a of the exercise bicycle cannot rotate along with the flywheel 2, as shown in fig. 1-10, the following preferred technical solutions are provided:

a unidirectional rotation BIKE exercise bicycle, which comprises a bicycle frame 1,

the flywheel 2 comprises a wheel body and a flywheel shaft 2b, the wheel body is in transmission connection with the flywheel shaft 2b, and the flywheel shaft 2b is in rotation connection with the frame 1;

the pedal mechanism 4 is rotationally arranged on the frame 1, and the flywheel shaft 2b is in transmission connection with the output end of the pedal mechanism 4;

the cushion 5 is arranged on the frame 1 and can be lifted and moved back and forth;

also comprises the following steps of (1) preparing,

the freewheel clutch 3, the flywheel 2 is installed on frame 1 rotatably through the freewheel clutch 3;

the axle center of the wheel body is provided with a first positioning groove which is coaxial with the wheel body and penetrates through the wheel body, two ends of the first positioning groove are respectively provided with an end cover, the overrunning clutch 3 is arranged in the first positioning groove and positioned between the two end covers, and the overrunning clutch 3 is in transmission connection with the wheel body;

flywheel shaft 2b, flywheel shaft 2b and frame 1 rotate to be connected, and flywheel shaft 2b runs through first locating slot through the end cover and is connected with the wheel body rotation, and flywheel shaft 2b is connected with freewheel clutch 3 transmission.

Specifically, the body builder steps on the exercise bicycle through the pedal mechanism 4, the pedal mechanism 4 drives the flywheel shaft 2b to rotate, the flywheel shaft 2b drives the overrunning clutch 3 to rotate, and the overrunning clutch 3 drives the flywheel 2 to rotate; when the body-building personnel stop treading the pedal mechanism 4, the wheel body rotates on the overrunning clutch 3, the overrunning clutch 3 prevents the flywheel shaft 2b from rotating along with the wheel body, and therefore the pedal mechanism 4 cannot rotate along with the flywheel 2; the overrunning clutch 3 is arranged in the first positioning groove of the wheel body, so that not only can the overrunning clutch 3 be protected from being damaged by the outside, but also the overrunning clutch 3 can be more stably arranged on the frame 1; the seat cushion 5 can be lifted and can be arranged on the frame 1 in a back-and-forth moving manner, so that a body builder can ride the bicycle more comfortably by adjusting the position of the seat cushion 5; the unidirectional rotation BIKE exercise bicycle is also connected with a control system, the control system comprises a controller, a resistance adjusting device, a sensor and a human-computer interaction device, and the controller is used for controlling the resistance adjusting device, the sensor and the human-computer interaction device; the resistance adjusting device is arranged on the frame 1 and used for retarding the rotation of the flywheel 2, and a body builder can adjust the resistance of the resistance adjusting device through the controller so as to select the resistance suitable for self to build body, and the resistance adjusting device can select a magnetic force adjusting device or a friction adjusting device; the sensor is used for recording the number of cycles of riding of the body-building personnel, the flywheel 2 is fixedly provided with the reflecting block, the photoelectric switch is arranged at the corresponding position of the reflecting block, when the flywheel 2 rotates, the reflecting block rotates along with the flywheel 2, and when the reflecting block reflects light rays emitted by the photoelectric switch, the body-building personnel is shown to ride a cycle; the man-machine interaction device comprises a knob and a display, wherein the knob is used for controlling the resistance of the resistance adjusting device through a controller, the display is used for displaying the current resistance value and the number of cycles of riding of fitness personnel, and the knob and the display are arranged on the frame 1.

In order to solve the technical problem of how the body builder can use the pedal 4a to drive the flywheel 2 to rotate, as shown in fig. 1-3, 8 and 9, the following preferred technical solutions are provided:

the pedal mechanism 4 is composed of a pedal mechanism,

the pedal shaft 4c is rotatably connected with the frame 1;

the same ends of the two cranks 4b are respectively and fixedly arranged at the two ends of the pedal shaft 4 c;

the two pedals 4a are respectively arranged at the other ends of the two cranks 4b, and the pedals 4a correspond to the cranks 4b one by one;

the transmission mechanism 4d is arranged on the frame 1, the input end of the transmission mechanism 4d is in transmission connection with the pedal shaft 4c, and the output end of the transmission mechanism 4d is in transmission connection with the flywheel shaft 2 b.

Specifically, the one end fixed connection of crank 4b is at pedal axle 4c, the other end fixed connection of crank 4b is at running-board 4a, the health care personnel is through rotating running-board 4a, make crank 4b connect the one end of running-board 4a and be rotary motion, crank 4b connects the other end of pedal axle 4c and just follows running-board 4a and be rotary motion together just, thereby make the pedal axle 4c of fixed connection at the crank 4b other end also be rotary motion, pedal axle 4c drives drive mechanism 4d and rotates, drive mechanism 4d drives the flywheel shaft 2b of being connected rather than the output transmission at last and rotates.

In order to solve the technical problem that the pedal shaft 4c drives the flywheel shaft 2b to rotate, as shown in fig. 1-3 and fig. 9, the following preferred technical solutions are provided:

the transmission mechanism 4d is comprised of,

the large belt wheel 4d is in transmission connection with the pedal shaft 4 c;

the small belt wheel 4d2 and the small belt wheel 4d2 are arranged at one end of the flywheel shaft 2b, and the small belt wheel 4d2 is in transmission connection with the flywheel shaft 2 b;

the belt 4d3, belt 4d3 hug closely big pulley 4d and little pulley 4d2, and big pulley 4d and little pulley 4d2 are through belt 4d3 transmission connection.

Specifically, big band pulley 4d is connected with the transmission of pedal axle 4c, and little band pulley 4d2 is connected with big band pulley 4d transmission through belt 4d3, and little band pulley 4d2 is connected with the transmission of flywheel axle 2b to make pedal axle 4c rotate and drive big band pulley 4d and rotate, drive little band pulley 4d2 and rotate after that, drive flywheel axle 2b at last and rotate, realized that pedal axle 4c drives flywheel axle 2b and rotates.

In order to solve the technical problem that the belt 4d3 is always in a tight state between the large belt pulley 4d and the small belt pulley 4d2, as shown in fig. 1-3 and fig. 9, the following preferred technical solutions are provided:

the transmission mechanism 4d also comprises a gear mechanism,

tension pulley 4d4, tension pulley 4d4 are installed on frame 1, tension pulley 4d4 is located between large pulley 4d and small pulley 4d2, and tension pulley 4d4 is attached to belt 4d 3.

Specifically, the tensioning wheel 4d4 is arranged between the large belt wheel 4d and the small belt wheel 4d2 and used for tensioning the belt 4d3, the belt 4d3 can be lengthened after being used for a long time, the large belt wheel 4d and the small belt wheel 4d2 are fixedly installed, the position is difficult to adjust, the belt 4d3 can be always in a tensioned state by adjusting the tensioning wheel 4d4, the service time of the equipment is prolonged, and the replacement cost of the equipment is reduced.

In order to solve the technical problem that the foot of the body builder can rotate on the pedal 4a1 and cannot easily slide, as shown in fig. 8, the following preferred technical solutions are provided:

the foot board 4a is comprised of,

two pedal plates 4a1, two ends of the pedal plate 4a1 are respectively provided with a pedal plate buckle 4a 4;

the two pedal shafts 4a2, one ends of the two pedal shafts 4a2 are rotatably connected with the two pedals 4a1, and the other ends of the two pedal shafts 4a2 are respectively hinged with a crank 4 b;

the two anti-falling belts 4a3 are connected with the pedal 4a1 through pedal buckles 4a4, and the anti-falling belt 4a3 is connected with the pedal 4a 1.

Specifically, a pedal shaft 4a2 hole is formed in the pedal 4a1, one end of the pedal shaft 4a2 is rotatably connected with the pedal shaft 4a2 hole, and the other end of the pedal shaft is hinged with the crank 4b, so that the pedal 4a1 can rotate around the pedal shaft 4a2, and thus the angle of the pedal 4a1 can be adjusted when the feet of a fitness worker ride, and the riding is more comfortable; the anti-falling belt 4a3 is connected with the two ends of the pedal 4a1, so that the feet of the body-building personnel can be put in, and the feet are prevented from being separated from the pedal when the body-building personnel ride too fast, thereby causing injury to the body-building personnel.

In order to solve the technical problem of how to idle the flywheel 2 in the air, as shown in fig. 1-5, the following preferred technical solutions are provided:

the vehicle frame 1 comprises a frame body which comprises,

the flywheel bracket 1a comprises two bearings 1a1, at least two bearing seats 1a2 and two side plates 1a 3;

two bearings 1a1 are respectively arranged at two ends of the flywheel shaft 2 b; the two bearings 1a1 are respectively arranged in the bearing seat 1a2, and the flywheel shaft 2b is rotationally connected with the bearing seat 1a2 through the bearing 1a 1;

the two side plates 1a3 and the two side plates 1a3 with the same size are vertically arranged on the frame 1 in parallel, the two side plates 1a3 are positioned on two sides of the flywheel 2 and are parallel to the flywheel 2, the two bearing seats 1a2 are fixedly arranged on the two side plates 1a3 respectively, and the distance between the mounting position of the bearing seat 1a2 and the bottom of the side plate 1a3 is larger than the radius of the flywheel 2.

Specifically, the flywheel bracket 1a is vertically arranged on the frame 1 in parallel and positioned on two sides of the flywheel 2, and the radius of the flywheel 2 is smaller than the distance from the mounting position of the flywheel 2 to the bottom of the side plate 1a3, so that the flywheel 2 is suspended in the air. Two ends of the flywheel shaft 2b are respectively provided with a bearing 1a1, the bearing 1a1 is installed in two bearing seats 1a2, the two bearing seats 1a2 are respectively positioned at two sides of the side plate 1a3, the bearing 1a1 is clamped in the two bearing seats, and then the two bearing seats are fixed through nuts, so that the bearing 1a1 can be installed in the bearing seat 1a2 more stably.

In order to solve the technical problem that the center of gravity is unstable and needs to be supported when a body builder rides a bicycle, the following preferred technical scheme is provided as shown in figures 1-3 and 10:

the frame 1 further comprises a frame body which is,

the armrest 1b, the armrest 1b includes an armrest support 1b1 and an armrest handle 1b 2;

the bottom end of the handrail support 1b1 is fixedly connected with the frame 1;

the armrest handle 1b2 is fixedly mounted at the top end of the armrest support 1b1, and the armrest handle 1b2 is composed of a cross bar 1b3 perpendicular to the armrest support 1b1 and a handle portion 1b4 extending from the two ends of the cross bar 1b3 to the front upper part of the frame 1.

Specifically, the armrest handle 1b2 comprises a cross bar 1b3 and a handle part 1b4, the cross bar 1b3 ensures the height of the installation position of the armrest handle 1b2, and the handle part 1b4 ensures that a body builder can adjust the posture of the body builder by grasping different positions of the handle part 1b4 during riding, so that the body builder can select a posture more suitable for the body builder to build the body; the armrest handle part 1b4 is further provided with a non-slip mat, the non-slip mat is sleeved on the outer side of the armrest handle part 1b4, and the phenomenon that a player sweats to make a hand separate from the armrest handle 1b2 can be prevented.

In order to solve the technical problem that fitness personnel with different heights can use the unidirectional-rotation BIKE exercise bicycle, as shown in figures 1-3, 6 and 7, the following preferred technical solutions are provided:

the frame 1 further comprises a frame body which is,

the cushion support 1c, the cushion support 1c includes the cushion support outer tube 1c1, the cushion support inner tube 1c2 and the cushion support bolt 1c 3;

the bottom of the outer tube 1c1 of the seat cushion bracket is fixedly arranged on the frame 1, and the side surface of the top end of the outer tube 1c1 of the seat cushion bracket is provided with a fastening hole 1c 4;

the outer wall of the cushion bracket inner pipe 1c2 can be tightly attached to the inner wall of the cushion bracket outer pipe 1c1 for up-and-down adjustment, and the cushion bracket inner pipe 1c2 is provided with a plurality of adjusting holes 1c5 matched with the fastening holes 1c4 along the length direction;

the seat cushion bracket bolt 1c3 fixes the position of the seat cushion bracket inner tube 1c2 on the seat cushion bracket outer tube 1c1 through the fastening hole 1c4 and the adjusting hole 1c 5.

Specifically, cushion support 1c includes cushion support outer tube 1c1 and cushion support inner tube 1c2, cushion support inner tube 1c2 can be done at cushion support outer tube 1c 1's inner chamber and slide from top to bottom, cushion support outer tube 1c1 has seted up fastening hole 1c4, cushion support inner tube 1c2 has seted up regulation hole 1c5, fitness personnel adjust cushion support inner tube 1c2 to suitable height, the reuse is crossed in cushion support bolt 1c3 inserts fastening hole 1c4 and corresponding regulation hole 1c5, thereby fixed cushion support inner tube 1c2, the problem of setting on frame 1 of cushion 5 liftable has been solved.

In order to solve the technical problem that fitness personnel with different arm lengths can use the unidirectional rotation BIKE exercise bicycle, as shown in figures 1-3, 6 and 7, the following preferred technical solutions are provided:

the seat cushion support 1c further includes,

the seat cushion seat 1e1 is characterized in that the seat cushion seat 1e1 is a hollow rectangle, one side of the seat cushion seat 1e1 is provided with a seat cushion fixing hole 1e4 fixedly mounted with the seat cushion 5, and the side far away from the seat cushion fixing hole 1e4 is provided with a first moving groove 1e 5;

the seat cushion support comprises a seat cushion bottom plate 1e2, wherein the seat cushion bottom plate 1e2 is horizontally and fixedly arranged at the top end of an inner tube 1c2 of a seat cushion support, and a first positioning hole 1e6 matched with a first moving groove 1e5 is formed in the seat cushion bottom plate 1e 2;

the cushion seat bolt 1e3, the cushion seat bolt 1e3 fixes the cushion seat 1e1 and the cushion bottom plate 1e2 through the first moving slot 1e5 and the first positioning hole 1e 6.

Specifically, one side of the seat cushion seat 1e1 is fixedly connected with the seat cushion 5, the seat cushion bottom plate 1e2 is fixedly connected with the seat cushion support inner tube 1c2, and the seat cushion seat bolt 1e3 fixes the positions of the seat cushion seat 1e1 and the seat cushion bottom plate 1e2 through the first moving groove 1e5 arranged on one side of the seat cushion seat 1e1 and the first positioning hole 1e6 arranged on the seat cushion bottom plate 1e2, so that the body-building personnel can move the seat cushion 5 back and forth only by moving the seat cushion seat bolt 1e3 at the relative positions of the first moving groove 1e5 and the first positioning hole 1e 6.

In order to solve the problem that the unidirectional rotation BIKE exercise bicycle can be moved and placed on different ground surfaces, as shown in figures 1-3, the following preferred technical scheme is provided:

the frame 1 further comprises a frame body which is,

base 1d, base 1d includes two pastes tub pipe 1d2 and a stay tube 1d1, and the both ends of stay tube 1d1 are I-shaped fixed connection with two pastes tub pipe 1d2, the middle part of bracing piece and the bottom fixed connection of cushion support outer tube 1c1, the bracing piece and two curb plate 1a3 fixed connection of flywheel support 1a, pulley assembly is still installed at one of them both ends of managing pipe 1d 2.

Specifically, base 1d is "worker" style of calligraphy fixed through two subsides pipe 1d2 and a stay tube 1d1, lets base 1d under the prerequisite of having realized left and right equilibrium, has reduced the material of using, and a subsides pipe 1d2 both ends still install loose pulley assembly for the exercise bicycle is when removing, can save the physical power of removal person, has made things convenient for the removal of exercise bicycle.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A unidirectional rotation BIKE exercise bicycle comprises a bicycle frame (1),

the flywheel (2) comprises a wheel body (2a) and a flywheel shaft (2b), the wheel body (2a) is in transmission connection with the flywheel shaft (2b), and the flywheel shaft (2b) is in rotation connection with the frame (1);

the pedal mechanism (4) is rotationally arranged on the frame (1), and the flywheel shaft (2b) is in transmission connection with the output end of the pedal mechanism (4);

it is characterized in that the preparation method is characterized in that,

the cushion (5) is arranged on the frame (1) and can be lifted and moved back and forth;

also comprises the following steps of (1) preparing,

the flywheel (2) is rotatably arranged on the frame (1) through the overrunning clutch (3);

the axial center of the wheel body (2a) is provided with a first positioning groove (2a1) which is coaxial with the wheel body (2a) and penetrates through the wheel body (2a), two ends of the first positioning groove (2a1) are respectively provided with an end cover (2a2), the overrunning clutch (3) is arranged in the first positioning groove (2a1) and positioned between the two end covers (2a2), and the overrunning clutch (3) is in transmission connection with the wheel body (2 a);

flywheel shaft (2b), flywheel shaft (2b) rotate with frame (1) and are connected, flywheel shaft (2b) run through first constant head tank (2a1) through end cover (2a2) and rotate with wheel body (2a) and be connected, flywheel shaft (2b) are connected with freewheel clutch (3) transmission.

2. A unidirectional rotation BIKE exercise bicycle according to claim 1, wherein the pedal mechanism (4) comprises,

the pedal shaft (4c), the pedal shaft (4c) is rotationally connected with the frame (1);

the same ends of the two cranks (4b) are respectively and fixedly arranged at the two ends of the pedal shaft (4 c);

the two pedals (4a), the pedals (4a) correspond to the cranks (4b) one by one, and the two pedals (4a) are respectively arranged at the other ends of the two cranks (4 b);

the transmission mechanism (4d) is arranged on the frame (1), the input end of the transmission mechanism (4d) is in transmission connection with the pedal shaft (4c), and the output end of the transmission mechanism (4d) is in transmission connection with the flywheel shaft (2 b).

3. A unidirectional rotation BIKE exercise bicycle according to claim 2, wherein the transmission mechanism (4d) comprises,

the large belt wheel (4d1), the large belt wheel (4d1) is in transmission connection with the pedal shaft (4 c);

the small belt wheel (4d2), the small belt wheel (4d2) is arranged at one end of the flywheel shaft (2b), and the small belt wheel (4d2) is in transmission connection with the flywheel shaft (2 b);

the belt (4d3), belt (4d3) hug closely big band pulley (4d1) and little band pulley (4d2), and big band pulley (4d1) and little band pulley (4d2) are through belt (4d3) transmission connection.

4. A BIKE exercise bicycle in one direction of rotation according to claim 3, wherein the transmission mechanism (4d) further comprises,

and the tensioning wheel (4d4), the tensioning wheel (4d4) is installed on the frame (1), the tensioning wheel (4d4) is positioned between the large pulley (4d1) and the small pulley (4d2), and the tensioning wheel (4d4) is attached to the belt (4d 3).

5. A unidirectional rotation BIKE exercise bicycle according to claim 2, wherein the foot pedal (4a) comprises,

two ends of the pedal (4a1) are respectively provided with a pedal buckle (4a 4);

the pedal comprises two pedal shafts (4a2), one ends of the two pedal shafts (4a2) are rotatably connected with the two pedals (4a1), and the other ends of the two pedal shafts (4a2) are respectively hinged with a crank (4 b);

the two anti-falling belts (4a3), the anti-falling belt (4a3) is connected with the pedal (4a1) through a pedal buckle (4a 4).

6. A unidirectional rotation BIKE exercise bicycle according to claim 1, wherein the frame (1) comprises,

the flywheel bracket (1a) comprises two bearings (1a1), at least two bearing seats (1a2) and two side plates (1a 3);

the two bearings (1a1) are respectively arranged at two ends of the flywheel shaft (2 b); the two bearings (1a1) are respectively arranged in the bearing seat (1a2), and the flywheel shaft (2b) is rotationally connected with the bearing seat (1a2) through the bearing (1a 1);

the two-piece side plate type bicycle frame comprises two side plates (1a3), two side plates (1a3) with the same size are vertically arranged on the bicycle frame (1) in parallel, the two side plates (1a3) are located on two sides of the flywheel (2) and are parallel to the flywheel (2), two bearing seats (1a2) are fixedly installed on the two side plates (1a3) respectively, and the distance between the installation position of the bearing seat (1a2) and the bottom of the side plate (1a3) is larger than the radius of the flywheel (2).

7. A unidirectional rotation BIKE exercise bicycle according to claim 1, wherein the frame (1) further comprises,

the handrail (1b), the handrail (1b) includes handrail support (1b1) and handrail handle (1b 2);

the bottom end of the handrail support (1b1) is fixedly connected with the frame (1);

the armrest handle (1b2) is fixedly arranged at the top end of the armrest support (1b1), and the armrest handle (1b2) consists of a cross rod (1b3) vertical to the armrest support (1b1) and a handle part (1b4) extending towards the front upper part of the frame (1) from the two ends of the cross rod (1b 3).

8. A unidirectional rotation BIKE exercise bicycle according to claim 1, wherein the frame (1) further comprises,

the cushion support (1c), the cushion support (1c) includes the outer tube of cushion support (1c1), the inner tube of cushion support (1c2) and the bolt of cushion support (1c 3);

the bottom of the outer tube (1c1) of the seat cushion bracket is fixedly arranged on the frame (1), and the side surface of the top end of the outer tube (1c1) of the seat cushion bracket is provided with a fastening hole (1c 4);

the outer wall of the inner tube (1c2) of the cushion bracket can be tightly attached to the inner wall of the outer tube (1c1) of the cushion bracket to be adjusted in the vertical direction, and the inner tube (1c2) of the cushion bracket is provided with a plurality of adjusting holes (1c5) matched with the fastening holes (1c4) in the length direction;

the seat cushion bracket bolt (1c3) fixes the position of the seat cushion bracket inner pipe (1c2) on the seat cushion bracket outer pipe (1c1) through the fastening hole (1c4) and the adjusting hole (1c 5).

9. A unidirectional rotation BIKE exercise bicycle according to claim 8, wherein the cushion bracket (1c) further comprises,

the seat cushion seat (1e1), the seat cushion seat (1e1) is a hollow rectangle, one side of the seat cushion seat (1e1) is provided with a seat cushion fixing hole (1e4) fixedly mounted with the seat cushion (5), and one side far away from the seat cushion fixing hole (1e4) is provided with a first moving groove (1e 5);

the seat cushion support comprises a seat cushion bottom plate (1e2), wherein the seat cushion bottom plate (1e2) is horizontally and fixedly arranged at the top end of a seat cushion support inner pipe (1c2), and a first positioning hole (1e6) matched with a first moving groove (1e5) is formed in the seat cushion bottom plate (1e 2);

a cushion seat bolt (1e3), the cushion seat bolt (1e3) fixes the cushion seat (1e1) and the cushion bottom plate (1e2) through a first moving groove (1e5) and a first positioning hole (1e 6).

10. A unidirectional rotation BIKE exercise bicycle according to claim 1, wherein the frame (1) further comprises,

base (1d), base (1d) include two pastes tub (1d2) and a stay tube (1d1), the both ends and two pastes tub (1d2) of (1d1) are I-shaped fixed connection, the middle part of bracing piece and the bottom fixed connection of cushion support outer tube (1c1), two curb plates (1a3) fixed connection of bracing piece and flywheel support (1a), pulley assembly is still installed at one of them both ends of pasting tub (1d 2).

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