CN215505345U

CN215505345U - Body-building bicycle with backrest

Info

Publication number: CN215505345U
Application number: CN202120218093.0U
Authority: CN
Inventors: 张志杰
Original assignee: Ningbo Kaiwei Sports Equipment Technology Co ltd
Current assignee: Ningbo Kaiwei Sports Equipment Technology Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2022-01-14
Anticipated expiration: 2031-01-26

Abstract

The utility model provides a body-building bicycle with a backrest, which has the following structure: comprises a frame, a flywheel component, a pedal driving component, a handle and a saddle, wherein the flywheel component, the pedal driving component, the handle and the saddle are arranged on the frame; the pedal driving assembly is connected with the flywheel assembly and is used for driving the flywheel assembly to rotate; a chair back is connected with the frame at the rear of the saddle. The lower end of the chair back is provided with a first rotating shaft matched with the shaft hole, and the first rotating shaft is rotatably connected in the shaft hole; the frame is also provided with an angle regulating device for regulating the inclination angle. The back that lies in the saddle on the frame is connected a chair and is leaned on, can make things convenient for the customer to ride slowly or stop the rest when straightening the waist pole, improves user's use and experiences, and can improve the security of riding slowly under this kind of state.

Description

Body-building bicycle with backrest

Technical Field

The utility model relates to the technical field of fitness equipment, in particular to a fitness bicycle with a backrest.

Background

Along with the improvement of the living standard of people, the desire of people for health is stronger and stronger, and people who advocate sports are expanding. The exercise bicycle is a sports apparatus placed indoors for people to exercise, and is different from a common bicycle, and a fan cannot move like the common bicycle when using the exercise bicycle. The exercise bicycle is not limited by the field and can better simulate the outdoor bicycle sports, so the exercise bicycle is quickly popularized and is well popular with the masses.

However, when the user rides slowly or stops to have a rest, the waist rod can be erected normally, the two hands are far away from the handle, and the handle needs to be loosened, however, the traditional exercise bicycle is not provided with a backrest, so that the user is inconvenient to ride slowly or stop to have a rest, and the user is easy to fall off from the seat to cause accidental injury, and the use experience of the user is influenced. Therefore, in order to meet the requirement of people for slowly riding, the traditional bicycle needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provide the exercise bicycle capable of leaning when the bicycle is slowly ridden or stopped for rest.

The technical scheme of the utility model is to provide a body-building bicycle with a backrest, which has the following structure: comprises a frame, a flywheel component, a pedal driving component, a handle and a saddle, wherein the flywheel component, the pedal driving component, the handle and the saddle are arranged on the frame; the pedal driving assembly is connected with the flywheel assembly and is used for driving the flywheel assembly to rotate; a chair back is connected to the frame at the rear of the saddle.

Preferably, a concave surface is arranged on one side of the backrest facing the seat.

Preferably, the concave surface is provided with a buffer layer made of elastic materials.

Preferably, the frame is provided with a shaft hole, the lower end of the chair rest is provided with a first rotating shaft matched with the shaft hole, and the first rotating shaft is rotatably connected in the shaft hole; the frame is also provided with an angle regulating device for regulating the inclination angle.

Preferably, the angle regulating device comprises a second rotating shaft rotatably connected to the frame and a locking piece fixedly connected with the second rotating shaft, one end of the locking piece is provided with a latch, and the other end of the locking piece is provided with a handle; one end of the first rotating shaft extends outwards in the radial direction and is connected with a gear, and a gear tooth groove of the gear is matched with the clamping tooth; a torsion spring is sleeved on the second rotating shaft, one end of the torsion spring is connected with the frame, and the other end of the torsion spring is connected with the second rotating shaft; in the initial state, the latch is clamped into a gear groove of the gear.

Preferably, the pedal driving assembly comprises a pedal, a driving wheel and a crank connected with the pedal and the driving wheel, the flywheel assembly comprises a flywheel and a driven wheel which are rotatably connected to the frame, the driving wheel is in transmission connection with the driven wheel through a belt, and the driven wheel is in transmission connection with the flywheel through a belt.

Preferably, the frame is further provided with a resistance adjusting device, and the resistance adjusting device comprises an adjusting knob, a third rotating shaft and a magnet bracket rotatably connected to the third rotating shaft; a plurality of magnets are uniformly distributed on the magnet support, and the adjusting knob is connected with the free end of the magnet support through a brake wire and used for adjusting the distance between the magnets and the flywheel.

Preferably, the handle is provided with a card slot for the mobile phone to be clamped in; and anti-skid convex patterns are arranged on one side of the clamping groove, which faces the saddle.

Preferably, the four corners of the bottom of the frame are provided with non-slip mats.

Preferably, the front end of the bottom of the frame is rotatably connected with two rollers.

After adopting the structure, compared with the prior art, the exercise bicycle with the backrest has the following advantages:

1. the back that lies in the saddle on the frame is connected a chair and is leaned on, can make things convenient for the customer to ride slowly or stop the rest when straightening the waist pole, improves user's use and experiences, and can improve the security of riding slowly under this kind of state.

2. The concave surface is set to one side of going to the saddle on the backrest, the back of laminating people that can be better, and the buffer layer that elastic material made on the concave surface can improve user's experience, makes the user lean on more comfortablely.

3. The angle regulation and control device can adjust the inclination angle of the chair backrest according to the requirements of different users, so that each user can find the most suitable leaning posture.

4. The resistance adjusting device can adjust the resistance when riding according to the requirements of different users. Only the adjusting knob needs to be rotated, so that the adjusting knob pulls the free end of the magnet support to move downwards through the brake lead and drives the magnet on the magnet support to be away from the flywheel, the attraction between the magnet and the flywheel is reduced at the moment, and the riding resistance is reduced; when the adjusting knob is rotated reversely, under the action of magnetic force between the magnet and the flywheel, the magnet drives the magnet support to rotate and approach the flywheel, the attraction between the magnet and the flywheel is increased, and the riding resistance is increased.

5. The clamping groove on the handle can be used as a support for placing a mobile phone, so that the user can exercise the body by riding the bicycle and can play entertainment.

6. The anti-slip pad at the bottom of the frame can prevent the exercise bicycle from displacing on the ground, and the riding safety of a user is guaranteed.

7. The front end of the bottom of the frame is rotatably connected with the two idler wheels, so that the two idler wheels can be rotated to the position below the wheels facing the frame when the exercise bicycle needs to be moved, and the exercise bicycle can be conveniently moved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structural schematic diagram of the present invention.

FIG. 3 is a schematic view of the flywheel assembly of the present invention.

Fig. 4 is a partial structural schematic diagram of the present invention.

Fig. 5 is a schematic structural view of the angle adjusting device of the present invention.

As shown in the figure:

1. frame, 2, flywheel subassembly, 3, pedal drive assembly, 4, handle, 5, saddle, 6, backrest, 7, concave surface, 8, buffer layer, 9, first pivot, 10, angle regulation device, 11, second pivot, 12, locking piece, 13, latch, 14, handle, 15, gear, 16, torsional spring, 17, pedal, 18, drive wheel, 19, crank, 20, flywheel, 21, driven wheel, 22, adjust knob, 23, third pivot, 24, magnet support, 25, magnet, 26, brake wire, 27, draw-in groove, 28, antiskid rib, 29, slipmat, 30, gyro wheel.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Meanwhile, the terms "first", "second", etc. are merely used for distinguishing names of various components, and have no primary and secondary relationship, so that the present invention is not to be construed as limited.

As shown in fig. 1, 2, 3, 4 and 5;

the utility model discloses a body-building bicycle with a backrest, which has the following structure: comprises a frame 1, and a flywheel assembly 2, a pedal driving assembly 3, a handle 4, a saddle 5 and a backrest 6 which are arranged on the frame 1. The pedal driving component 3 is connected with the flywheel component 2 and is used for driving the flywheel component 2 to rotate; the pedal driving assembly 3 comprises a pedal 17, a driving wheel 18 and a crank 19 for connecting the pedal 17 and the driving wheel 18, the flywheel assembly 2 comprises a flywheel 20 and a driven wheel 21 which are rotationally connected to the frame 1, the driving wheel 18 is in transmission connection with the driven wheel 21 through a belt, and the driven wheel 21 is in transmission connection with the flywheel 20 through the belt. The chair back 6 is arranged at the position behind the seat 5 on the frame 1, so that a user can ride slowly or stop to have a rest when standing up the waist bar, the use experience of the user is improved, and the safety of slowly riding in the state can be improved.

The backrest 6 is provided with a concave surface 7 on the side facing the seat 5, and the concave surface 7 is provided with a cushioning layer 8 made of an elastic material (e.g., sponge). The concave surface 7 is arranged on one side, facing the seat 5, of the backrest 6, so that the backrest can be better attached to the back of a person, and the buffer layer 8 made of elastic materials on the concave surface 7 can improve the experience of the user and enable the user to lean more comfortably.

As shown in fig. 4 and 5, the frame 1 is provided with a shaft hole, the lower end of the seat back 6 is provided with a first rotating shaft 9 matched with the shaft hole, and the first rotating shaft 9 is rotatably connected in the shaft hole; the frame 1 is further provided with an angle adjusting device 10 for adjusting the inclination angle. The angle regulating device 10 comprises a second rotating shaft 11 rotatably connected to the frame 1 and a locking piece 12 fixedly connected with the second rotating shaft 11, wherein one end of the locking piece 12 is provided with a latch 13, and the other end of the locking piece is provided with a handle 14; one end of the first rotating shaft 9 extends outwards in the radial direction and is connected with a gear 15, and the tooth groove of the gear 15 is matched with the clamping tooth 13; a torsion spring 16 is sleeved on the second rotating shaft 11, one end of the torsion spring 16 is connected with the frame 1, and the other end is connected with the second rotating shaft 11; in the initial state, the latch 13 is latched into the tooth groove of the gear 15. The angle adjusting device 10 can adjust the inclination angle of the chair back 6 according to the requirements of different users, so that each user can find the most suitable leaning posture.

As shown in fig. 2 and fig. 3, the frame 1 is further provided with a resistance adjusting device, which includes an adjusting knob 22, a third rotating shaft 23 and a magnet bracket 24 rotatably connected to the third rotating shaft 23; a plurality of magnets 25 are uniformly distributed on the magnet support 24, and the adjusting knob 22 is connected with the free end of the magnet support 24 through a brake wire 26 and is used for adjusting the distance between the magnets 25 and the flywheel 20. The resistance adjusting device can adjust the resistance when riding according to the requirements of different users. Only the adjusting knob 22 needs to be rotated to pull the free end of the magnet support 24 to move downwards through the brake lead 26 and drive the magnet 25 on the magnet support 24 to be far away from the flywheel 20, at the moment, the attraction force between the magnet 25 and the flywheel 20 is reduced, and the riding resistance is reduced; when the adjusting knob 22 is rotated reversely, under the action of the magnetic force between the magnet 25 and the flywheel 20, the magnet 25 drives the magnet bracket 24 to rotate and approach the flywheel 20, the attraction force between the magnet 25 and the flywheel 20 is increased, and the riding resistance is increased.

As shown in fig. 1 and 2, the handle 4 is provided with a slot 27 for the mobile phone to be inserted into, and one side of the slot 27 facing the seat 5 is provided with an anti-slip convex pattern 28. The slot 27 can be used as a support for placing a mobile phone, and can be used for entertainment activities while exercising by riding a bicycle. Still be equipped with the display screen on the handlebar for the data that the demonstration user ridden. The four corners department of frame 1 bottom all is equipped with slipmat 29, can avoid body-building bicycle to take place the displacement subaerial, ensures user's the safety of riding. The front end of the bottom of the frame 1 is rotatably connected with two idler wheels 30, so that when the exercise bicycle needs to be moved, the two idler wheels 30 are rotated to the positions below the wheels facing the frame 1, and the exercise bicycle can be conveniently moved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention shall be subject to the claims.

Claims

1. A body-building bicycle with a backrest comprises a frame, and a flywheel assembly, a pedal driving assembly, a handle and a saddle which are arranged on the frame; the pedal driving assembly is connected with the flywheel assembly and is used for driving the flywheel assembly to rotate; the method is characterized in that: a seat back is connected to the frame at the rear of the seat; the frame is provided with a shaft hole, the lower end of the chair backrest is provided with a first rotating shaft matched with the shaft hole, and the first rotating shaft is rotatably connected in the shaft hole; the frame is also provided with an angle regulating device for regulating the inclination angle; the angle regulating device comprises a second rotating shaft rotationally connected to the frame and a locking piece fixedly connected with the second rotating shaft, wherein one end of the locking piece is provided with a latch, and the other end of the locking piece is provided with a handle; one end of the first rotating shaft extends outwards in the radial direction and is connected with a gear, and a gear tooth groove of the gear is matched with the clamping tooth; a torsion spring is sleeved on the second rotating shaft, one end of the torsion spring is connected with the frame, and the other end of the torsion spring is connected with the second rotating shaft; in the initial state, the latch is clamped into a gear groove of the gear.

2. An exercise bicycle with a backrest as claimed in claim 1, wherein: a concave surface is arranged on one side of the chair rest facing the saddle.

3. An exercise bicycle with a backrest as claimed in claim 2, wherein: the concave surface is provided with a buffer layer made of elastic material.

4. An exercise bicycle with a backrest as claimed in claim 1, wherein: the pedal drive assembly comprises a pedal, a drive wheel and a crank connected with the pedal and the drive wheel, the flywheel assembly comprises a flywheel rotationally connected to the frame and a driven wheel, the drive wheel is in transmission connection with the driven wheel through a belt, and the driven wheel is in transmission connection with the flywheel through a belt.

5. An exercise bicycle with a backrest as claimed in claim 1, wherein: the frame is also provided with a resistance adjusting device, and the resistance adjusting device comprises an adjusting knob, a third rotating shaft and a magnet bracket which is rotatably connected to the third rotating shaft; a plurality of magnets are uniformly distributed on the magnet support, and the adjusting knob is connected with the free end of the magnet support through a brake wire and used for adjusting the distance between the magnets and the flywheel.

6. An exercise bicycle with a backrest as claimed in claim 1, wherein: the handle is provided with a clamping groove for clamping the mobile phone; and anti-skid convex patterns are arranged on one side of the clamping groove, which faces the saddle.

7. An exercise bicycle with a backrest as claimed in claim 1, wherein: and anti-slip pads are arranged at the four corners of the bottom of the frame.

8. An exercise bicycle with a backrest as claimed in claim 1, wherein: the front end of the bottom of the frame is rotatably connected with two rollers.