CN220110353U - Magnetic control exercise bicycle - Google Patents

Abstract

The utility model discloses a magnetic control exercise bicycle, comprising: a main frame tube assembly; the seat cushion supporting tube component is movably connected with the main frame tube component in a crossing manner; the support fixing group is used for fixing the main frame pipe assembly and the seat cushion supporting pipe assembly; the chain cover and transmission system assembly is connected below the seat cushion supporting tube assembly; a pedal plate assembly is arranged on the chain cover and the transmission system assembly; the seat cushion is rotatably connected to the seat cushion supporting tube assembly through the seat cushion fixing assembly; the seat cushion fixing assembly is adjusted to drive the seat cushion to rotate to any angle. In the embodiment of the utility model, the mode of expanding the structure on the basis of the existing X-shaped exercise bicycle structure is adopted, the purposes of adjustable cushion angle and more comfort are achieved by adding the seat cushion and cushion fixing component structure, the technical effect of arbitrary angle adjustment of the cushion is also achieved, and the technical problem of cushion experience discomfort under different training postures of a user due to incapability of adjusting the seat cushion of the X-shaped exercise bicycle is solved.

Description

Magnetic control exercise bicycle

Technical Field

The utility model relates to the field of body-building sports equipment, in particular to a magnetic control body-building vehicle.

Background

In the field of exercise equipment, the exercise bicycle series is an indoor exercise equipment with a very good exercise effect, the exercise bicycle is called a power bicycle in the field of exercise science, the bicycle exercise is exercise for strengthening cardiovascular and cerebrovascular functions and heart and lung functions, an electronic watch is arranged, heart rate and exercise data can be monitored in real time, cardiovascular exercise can be promoted by adjusting the intensity of exercise, and the exercise with proper intensity can be performed for a long time by the body, so that metabolism is accelerated, heart and lung functions are enhanced, the physique of a human body is improved, and the consumption of fat is accompanied, so that the effect of weight reduction and weight losing can be realized due to long-time consumption of fat.

The X-bike exercise bicycle is designed in an X-shaped structure, is convenient and quick to store and fold after movement, does not occupy the ground, is convenient to move, is mainly dependent on magnets and the like to generate resistance, has no motor and motor parts, has small noise during machine operation, and is popular with the masses.

When training, the user needs to adjust the state of the user according to different training, but the existing X-bike exercise bicycle cushion is generally fixed, and when the body of the user needs to incline, the user experience can be influenced by the horizontal cushion.

Disclosure of Invention

The utility model mainly aims to provide a magnetic control exercise bicycle, which aims to solve the problem that the cushion experience is uncomfortable under different training postures of a user because the cushion of the X-shaped exercise bicycle cannot be adjusted.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a magnetically controlled exercise bicycle.

The magnetic control exercise bicycle according to the present utility model comprises:

a main frame tube assembly;

the seat cushion supporting tube component is movably connected with the main frame tube component in a crossing manner;

the support fixing group is used for fixing the main frame pipe assembly and the seat cushion supporting pipe assembly;

the chain cover and transmission system assembly is connected below the seat cushion supporting tube assembly; a pedal plate assembly is arranged on the chain cover and the transmission system assembly;

the seat cushion is rotatably connected to the seat cushion supporting tube assembly through the seat cushion fixing assembly;

the seat cushion fixing assembly is adjusted to drive the seat cushion to rotate to any angle.

Further, the support fixing group includes:

one end of the seat cushion supporting tube is rotatably connected to the main frame tube assembly;

one end of the inner tube of the seat cushion supporting tube is rotationally connected to the seat cushion supporting tube assembly, and the other end of the inner tube of the seat cushion supporting tube is movably connected to the outer tube of the seat cushion supporting tube; a plurality of gear adjusting holes are formed in the inner tube of the seat cushion supporting tube;

the pull pin knob is connected to the outer tube of the seat cushion support tube in a threaded manner, and the inner side end of the pull pin knob is clamped in the adjusting hole.

Further, the seat cushion fixing assembly includes:

the seat cushion adjusting pipe is connected to the seat cushion supporting pipe assembly; the seat cushion adjusting pipe is connected with a pin shaft;

the seat cushion fixing U-shaped piece is connected to the bottom of the seat cushion; the seat cushion fixing U-shaped piece is provided with a vertical first arc-shaped hole and a horizontal second arc-shaped hole;

the seat cushion adjusting U-shaped piece is clamped on the seat cushion adjusting pipe and is rotationally connected with the pin shaft; the end part of the pin shaft slides in the first arc-shaped hole;

the seat cushion adjusting spring is connected between the seat cushion adjusting U-shaped piece and the seat cushion fixing U-shaped piece;

the seat cushion locking knob penetrates through the second arc-shaped hole and is connected with the seat cushion adjusting U-shaped piece.

Further, the bottom of the seat cushion is connected with a seat cushion connecting bent pipe, and a backrest tube foam assembly is connected to the seat cushion connecting bent pipe.

Further, the back tube foam assembly includes:

the backrest tube is fixed with a U-shaped sheet and is connected to the seat cushion connecting bent tube; a third arc-shaped groove is formed in the backrest tube fixing U-shaped sheet;

the backrest pipe is movably connected between the backrest pipe fixing U-shaped sheets;

the backrest tube adjusting spring is connected between the backrest tube fixing U-shaped sheet and the backrest tube;

the backrest locking knob penetrates through the third arc-shaped groove and is in threaded connection with the backrest pipe;

a plurality of backrest foam tubes (10-26) which are arranged on the backrest tube (10-1);

the backrest foam (10-2) is symmetrically arranged at two sides of the backrest tube (10-1) of the backrest foam tube (10-6);

wherein, the back locking knob is sleeved with a conical gasket, and the conical gasket is arranged between the back locking knob and the U-shaped piece fixed by the back tube.

Further, two sides of the seat cushion connecting bent pipe are respectively connected with a backrest handrail.

Further, a front foot tube assembly is connected under the chain cover and the transmission system assembly.

Further, a rear foot pipe assembly is connected under the main frame pipe assembly.

Further, an elastic pull rope component is connected to the main frame pipe component.

Further, the main frame pipe assembly is connected with an armrest assembly, and an electronic watch is connected between the armrest assemblies.

In the embodiment of the utility model, the mode of expanding the structure on the basis of the existing X-shaped exercise bicycle structure is adopted, and the purposes of adjusting the angle of the seat cushion and making the seat cushion more comfortable are achieved by adding the seat cushion and back cushion fixing component structure, so that the technical effect of adjusting any angle of the back cushion is realized, and the technical problem of uncomfortable seat cushion experience of a user in different training postures due to incapability of adjusting the seat cushion of the X-shaped exercise bicycle is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the utility model and are not to be construed as unduly limiting the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a magnetic exercise bicycle of the present utility model;

fig. 2 is a schematic view of the structure of the seat cushion fixing assembly in the present utility model;

FIG. 3 is a schematic view of the structure of a backrest tube foam assembly of the present utility model;

FIG. 4 is a schematic diagram of a first embodiment of the present utility model;

FIG. 5 is a schematic diagram of a second embodiment of the present utility model;

fig. 6 is a schematic structural view of the regulated state of the backrest tube foam unit in the present utility model.

Reference numerals:

1. the seat cushion comprises a main frame pipe assembly, 2 seat cushion supporting pipe assemblies, 3, a chain cover and transmission system assembly, 4, a pedal assembly, 5, a front foot pipe assembly, 6, a rear foot pipe assembly, 7, a seat cushion supporting pipe outer pipe, 8, a seat cushion supporting pipe inner pipe, 9, a seat cushion fixing assembly, 9-1, a seat cushion adjusting pipe, 9-2, a seat cushion adjusting U-shaped piece, 9-3, a seat cushion locking knob, 9-4, a seat cushion adjusting spring, 9-5, a seat cushion fixing U-shaped piece, 9-6, a seat cushion connecting bent pipe, 9-7, a back seat pipe fixing U-shaped piece, 10, a back seat pipe foam assembly, 10-1, a back seat pipe, 10-2, back seat foam, 10-3, a back seat cushion locking knob, 10-4, a conical gasket, 10-5, a back seat cushion pipe adjusting spring, 10-6, a back seat cushion foam pipe, 11, a seat cushion, 12, a back seat cushion, 13, an elastic pull rope assembly, 14, an electronic watch, 15, a handrail assembly, 16 and a pulling pin knob.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 6, the present utility model relates to a magnetic control exercise bicycle, comprising:

a main frame tube assembly 1;

the seat cushion supporting tube assembly 2 is in cross movable connection with the main frame tube assembly 1;

a support fixing group for fixing the main frame tube assembly 1 and the seat cushion support tube assembly 2;

the chain cover and transmission system assembly 3 is connected below the seat cushion supporting tube assembly 2; a pedal plate assembly 4 is arranged on the chain cover and transmission system assembly 3;

a seat cushion 11 rotatably connected to the seat cushion support tube assembly 2 by a seat cushion fixing assembly 9;

the seat cushion 11 is rotated to an arbitrary angle by adjusting the seat cushion fixing assembly 9.

The main frame pipe assembly 1 of the present embodiment includes: two main frame pipe fittings, two ends of the two main frame pipe fittings are respectively connected with a fixing piece, and a support column is connected between the two main frame pipe fittings.

The seat cushion support tube assembly 2 of the present embodiment is a hollow square tube, and the seat cushion support tube assembly 2 is movably connected between two main frame tubes through a connecting piece.

Specifically, when the span between main frame pipe assembly 1 and seat cushion stay tube subassembly 2 becomes big, the lower the position of seatpad 11 has realized the technical effect of stand height-adjustable, can press close to old person's use habit more, conveniently gets on or off the bus.

The support fixing group of the embodiment enables the span between the main frame pipe assembly 1 and the seat cushion support pipe assembly 2 to be adjustable and fixed, can provide better support and balance, and enables a rider to be in a more stable state and incline backwards more naturally.

The seat cushion fixing assembly 9 of the present embodiment allows the angle of the seat cushion 11 to be adjustable, so that the body of the rider can be in a more comfortable state, and the rider can relax the body to perform riding movement.

The seat cushion 11 of the embodiment is rotatably connected to the seat cushion supporting tube assembly 2 through the seat cushion fixing assembly 9, and the seat cushion 11 is driven to rotate to any angle by adjusting the seat cushion fixing assembly 9; the mode of expanding the structure on the basis of the structure of the existing X-shaped exercise bicycle is adopted, the purposes of adjustable cushion angle and more comfort are achieved by increasing the structure of the seat cushion and back cushion fixing components, the technical effect of arbitrary angle adjustment of the back cushion is achieved, and the technical problem that the cushion experience is uncomfortable under different training postures of a user due to the fact that the cushion of the X-shaped exercise bicycle cannot be adjusted is solved.

The seat cushion 11 of the present embodiment can be angularly adjusted by the seat cushion fixing means 9, and by means of the angular adjustment thereof, the switching between the riding motion of the X-type exercise bicycle and the riding motion mode of the R-type horizontal bicycle can be achieved.

Further, the support fixing group includes:

one end of the seat cushion supporting tube outer tube 7 is rotatably connected to the main frame tube assembly 1;

one end of the seat cushion supporting tube inner tube 8 is rotatably connected to the seat cushion supporting tube assembly 2, and the other end is movably connected to the seat cushion supporting tube outer tube 7; a plurality of gear adjusting holes are formed in the inner tube 8 of the seat cushion supporting tube;

the pull pin knob 16 is connected to the outer tube 7 of the seat cushion support tube in a threaded manner, and the inner side end of the pull pin knob is clamped in the adjusting hole.

One end of the outer tube 7 of the seat support tube of this embodiment is rotatably connected between the two main frame tubes by a connecting member.

The seat cushion supporting tube assembly 2 of the embodiment is provided with two shaft connecting plates; one end of the inner tube 8 of the seat support tube of the present embodiment is inserted into the outer tube 7 of the seat support tube, and the other end is rotatably connected between two shaft connection plates on the seat support tube assembly 2 by a connection member.

The plurality of shift position adjusting holes of the present embodiment are provided from low to high on the cushion support tube inner tube 8.

Specifically, when the pull pin knob 16 passes through the lowest gear adjusting hole, the span between the main frame tube assembly 1 and the seat cushion supporting tube assembly 2 is the smallest, and the highest working state of the vehicle bench is the moment; when the pull pin knob 16 passes through the highest gear adjusting hole, the span between the main frame pipe assembly 1 and the seat cushion supporting pipe assembly 2 is the largest, and the lowest working state of the vehicle is the moment; therefore, the technical effect of adjustable height of the vehicle is realized, the use habit of the old can be more closed, and the vehicle can be conveniently get on or off.

Further, the seat cushion fixing assembly 9 includes:

a seat cushion adjusting tube 9-1 connected to the seat cushion supporting tube assembly 2; the seat cushion adjusting tube 9-1 is connected with a pin shaft;

the seat cushion fixing U-shaped piece 9-5 is connected to the bottom of the seat cushion 11; the seat cushion fixing U-shaped piece 9-5 is provided with a vertical first arc-shaped hole and a horizontal second arc-shaped hole;

the seat cushion adjusting U-shaped piece 9-2 is clamped on the seat cushion adjusting tube 9-1 and is in rotary connection with the pin shaft; the end part of the pin shaft is movably connected in the first arc-shaped hole;

the seat cushion adjusting spring 9-4 is connected between the seat cushion adjusting U-shaped piece 9-2 and the seat cushion fixing U-shaped piece 9-5;

the seat cushion locking knob 9-3 passes through the second arc-shaped hole and is connected with the seat cushion adjusting U-shaped piece 9-2.

The seat cushion adjustment tube 9-1 of the present embodiment includes: and a diagonal rod connected with the support tube assembly 2, and a cross rod connected with the diagonal rod.

In some embodiments, the seat cushion adjusting tube 9-1 is movably inserted into the seat cushion supporting tube assembly 2, and a gear adjusting hole is formed in the seat cushion adjusting tube 9-1, is connected to the seat cushion supporting tube assembly 2 through a fastening nut in a threaded manner, and penetrates through the gear adjusting hole; the height of the seat cushion 11 is adjusted through the gear adjusting hole on the seat cushion adjusting pipe 9-1, so that the height adjusting range of the seat cushion 11 is larger, the use is more convenient, the use habit of the old can be more closely followed, and the getting on/off is convenient.

The seat cushion adjusting U-shaped piece 9-2 of the embodiment is clamped on the cross rod of the seat cushion adjusting tube 9-1, and the seat cushion adjusting U-shaped piece 9-2 is provided with a clamping groove which is rotationally connected with the pin shaft.

The first arc hole of the present embodiment is movably connected with the pin shaft, so that the seat cushion 11 can perform angle adjustment along the first arc hole.

The seat cushion adjusting spring 9-4 is used for buffering the seat cushion 11 to a certain extent when the seat cushion 11 is adjusted, so that the seat cushion 11 is prevented from swinging to a larger extent after the seat cushion locking knob 9-3 is loosened; meanwhile, after the cushion locking knob 9-3 is loosened, the cushion 11 can be restored to the original horizontal state; thereby making the angular adjustment of the seat cushion 11 more convenient and stable.

Specifically, when the seat cushion 11 needs to incline backwards, the seat cushion locking knob 9-3 is loosened, the seat cushion 11 is pressed backwards, the seat cushion adjusting spring 9-4 is extruded, the pin shaft and the first arc-shaped hole are mutually limited, and when the seat cushion 11 is adjusted to a position which inclines backwards and is comfortable, the seat cushion locking knob 9-3 is locked again to fix the seat cushion 11; by the cooperation of the seat cushion fixing assembly 9 and the seat cushion locking knob 9-3, the angle of the seat cushion 11 can be adjusted, the body of a rider can be in a more comfortable state, and the rider can relax the body to perform riding movement.

Further, the bottom of the seat cushion 11 is connected with a seat cushion connecting bent pipe 9-6, and the seat cushion connecting bent pipe 9-6 is connected with a backrest pipe foam assembly 10; the backrest tube foam assembly 10 includes:

the backrest tube is fixed with a U-shaped sheet 9-7 which is connected with the seat cushion connecting elbow 9-6; the backrest tube fixing U-shaped sheet 9-7 is provided with a third arc-shaped groove;

the backrest pipe 10-1 is movably connected between the backrest pipe fixing U-shaped sheets 9-7;

the backrest tube adjusting spring 10-5 is connected between the backrest tube fixing U-shaped sheet 9-7 and the backrest tube 10-1;

the backrest locking knob 10-3 penetrates through the third arc-shaped groove and is in threaded connection with the backrest tube 10-1;

the plurality of backrest foam 10-2 are symmetrically arranged on two sides of the backrest tube 10-1;

wherein, the backrest locking knob 10-3 is sleeved with a conical gasket 10-4, and the conical gasket 10-4 is arranged between the backrest locking knob 10-3 and the backrest tube fixing U-shaped sheet 9-7.

The single piece of the U-shaped sheet 9-7 for fixing the backrest pipe is fan-shaped, and the third arc-shaped groove is formed in the single piece on one side.

The back foam tube 10-6 of the embodiment combines the arc design with the back foam 10-2, and the whole arc structure replaces a planar back cushion in the prior equipment, thereby being more in accordance with the ergonomic design, fitting the back curve of a human body, realizing the waist and back relaxation and being more comfortable than the traditional planar back cushion.

The conical gasket 10-4 of the embodiment is arranged between the backrest locking knob 10-3 and the backrest tube fixing U-shaped sheet 9-7, so that the backrest tube (10-1) is conveniently locked, the locking effect is better, and no gap and no shaking phenomenon exist.

The backrest tube adjusting spring 10-5 of the embodiment is used for buffering the backrest tube 10-1 to a certain extent when the backrest tube 10-1 is adjusted, so that the backrest tube 10-1 is prevented from swinging to a larger extent after the backrest locking knob 10-3 is loosened; meanwhile, after the backrest locking knob 10-3 is loosened, the backrest pipe 10-1 can be restored to the original horizontal state; thereby the angle of the backrest pipe 10-1 is more convenient and stable when being adjusted.

Specifically, the backrest tube 10-1 is provided with a threaded hole at one side of the third arc-shaped groove, and the backrest locking knob 10-3 passes through the third arc-shaped groove and is in threaded connection with the backrest tube 10-1; when the adjustment is needed, the backrest locking knob 10-3 is loosened, the backrest pipe 10-1 is pushed to swing along the third arc-shaped groove, so that the angle adjustment of the backrest pipe 10-1 is realized, and after the angle adjustment is finished, the backrest locking knob 10-3 is screwed.

Through increasing the cotton subassembly 10 structure of back pipe bubble with adjustable angle, can adapt to the gesture of riding of difference better to improve the comfort level and the experience of riding, the correct back angle can help the user to keep the gesture of riding correctly, thereby reduces the injury risk.

Further, both sides of the cushion connecting bent pipe 9-6 are respectively connected with a backrest handrail 12.

The armrest 12 of the present embodiment may provide better balance and stability, making it safer and more comfortable for the user to ride.

In some embodiments, the armrest 12 may also be configured with adjustable angles to accommodate users of different arm lengths, providing better balance and stability, and making the user safer and more comfortable to ride.

Further, the front foot pipe assembly 5 is connected under the chain cover and the transmission system assembly 3, so that better balance and stability can be provided for the vehicle platform, and a user can ride the vehicle more safely and comfortably.

Further, the rear foot pipe assembly 6 is connected under the main frame pipe assembly 1, so that better balance and stability can be provided for the vehicle platform, and a user can ride the vehicle more safely and comfortably.

Further, the main frame pipe component 1 is connected with the elastic pull rope component 13, so that the elastic pull rope component 13 can be held by both hands to perform stretching exercise training up and down or left and right at the same time when the X-shaped exercise bicycle is ridden, the effect that riding and stretching exercise can be performed by hands and feet can be achieved, and the effects can also be performed alternately.

Further, the main frame pipe assembly 1 is connected with the armrest assemblies 15, and the electronic watch 14 is connected between the armrest assemblies 15, so that heart rate and exercise data can be monitored in real time, and the intensity during exercise can be adjusted.

The device is used as follows:

motion mode one: as shown in fig. 4, the height of the seat cushion 11 is adjusted so that the knee joint is at a slightly bent position when the thighs are fully extended, the seat cushion 11 is horizontal, a person sits on the seat cushion 11, the back is abutted against the back foam 10-2, the feet are placed on the pedal plate assembly 4 to perform riding movement of the X-shaped exercise bicycle, and meanwhile, the elastic tension rope assembly 13 can be held by both hands to perform stretching movement training up and down or left and right. The riding and stretching movement can be performed by hands and feet simultaneously or alternately.

And a second movement mode: as shown in fig. 5, the pull pin knob 16 is unscrewed and pulled, the seat cushion 11 is wholly lowered and adjusted to the lowest hole position, the X-shaped span is opened, and the pull pin knob 16 is locked; unscrewing the seat cushion locking knob 9-3, and locking the seat cushion locking knob 9-3 after the seat cushion 11 is inclined backwards and adjusted to a proper angle; simultaneously unscrewing the backrest locking knob 10-3, adjusting the backrest tube 10-1 to a proper angle, and locking the backrest locking knob 10-3; the person sits on the seat cushion 11, the back clings to the back foam 10-2, and the feet are placed on the pedal plate component 4 to perform R-shaped horizontal bicycle riding motion.

From the above description, it can be seen that the following technical effects are achieved: the mode of extending the structure on the basis of the structure of the existing X-shaped exercise bicycle is adopted, the purpose of adjusting the angle of the seat cushion is achieved by increasing the structure of the seat cushion fixing assembly, so that the technical effect of adjusting the angle of the seat cushion at will is achieved, and the technical problem that the seat cushion experience discomfort under different training postures of a user due to the fact that the seat cushion of the X-shaped exercise bicycle cannot be adjusted is solved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A magnetically controlled exercise bicycle comprising: characterized by comprising the following steps:

a main frame tube assembly (1);

the seat cushion supporting tube assembly (2) is in cross connection with the main frame tube assembly (1);

a support fixing group for fixing the main frame tube assembly (1) and the seat cushion support tube assembly (2);

the chain cover and transmission system assembly (3) is connected below the seat cushion supporting tube assembly (2); a pedal plate assembly (4) is arranged on the chain cover and transmission system assembly (3);

a seat cushion (11) rotatably connected to the seat cushion support tube assembly (2) by a seat cushion fixing assembly (9);

the seat cushion fixing assembly (9) is adjusted to drive the seat cushion (11) to rotate to any angle.

2. The magnetically controlled exercise bicycle of claim 1, wherein the support fixture comprises:

one end of the seat cushion supporting tube (7) is rotatably connected to the main frame tube assembly (1);

one end of the seat cushion supporting tube inner tube (8) is rotatably connected to the seat cushion supporting tube assembly (2), and the other end of the seat cushion supporting tube inner tube is movably connected to the seat cushion supporting tube outer tube (7); a plurality of gear adjusting holes are formed in the inner tube (8) of the seat cushion supporting tube;

the pull pin knob (16) is in threaded connection with the outer tube (7) of the seat cushion supporting tube, and the inner side end is clamped in the adjusting hole.

3. A magnetically controlled exercise bicycle according to claim 1, characterized in that the seat pad securing assembly (9) comprises:

a seat cushion adjusting tube (9-1) connected to the seat cushion supporting tube assembly (2); the seat cushion adjusting pipe (9-1) is connected with a pin shaft;

the seat cushion fixing U-shaped piece (9-5) is connected to the bottom of the seat cushion (11); the seat cushion fixing U-shaped piece (9-5) is provided with a vertical first arc-shaped hole and a horizontal second arc-shaped hole;

the seat cushion adjusting U-shaped piece (9-2) is clamped on the seat cushion adjusting pipe (9-1) and is in rotary connection with the pin shaft; the pin shaft end slides in the first arc-shaped hole;

a seat cushion adjusting spring (9-4) connected between the seat cushion adjusting U-shaped piece (9-2) and the seat cushion fixing U-shaped piece (9-5);

the seat cushion locking knob (9-3) passes through the second arc-shaped hole and is connected with the seat cushion adjusting U-shaped piece (9-2).

4. The magnetic control exercise bicycle according to claim 1, wherein a seat cushion connecting bent pipe (9-6) is connected to the bottom of the seat cushion (11), and a backrest foam tube assembly (10) is connected to the seat cushion connecting bent pipe (9-6).

5. The magnetically controlled exercise bicycle of claim 4, wherein the backrest tube foam assembly (10) comprises:

the backrest tube is fixed with a U-shaped sheet (9-7) and is connected to the seat cushion connecting bent tube (9-6); a third arc-shaped groove is formed in the backrest tube fixing U-shaped sheet (9-7);

the backrest tube (10-1) is movably connected between the backrest tube fixing U-shaped sheets (9-7);

a backrest tube adjusting spring (10-5) connected between the backrest tube fixing U-shaped piece (9-7) and the backrest tube (10-1);

a backrest locking knob (10-3) which passes through the third arc-shaped groove and is in threaded connection with the backrest tube (10-1);

a plurality of backrest foam tubes (10-6) which are arranged on the backrest tube (10-1);

the backrest foam (10-2) is symmetrically arranged at two sides of the backrest foam tube (10-6);

wherein, the backrest locking knob (10-3) is sleeved with a conical gasket (10-4), and the conical gasket (10-4) is arranged between the backrest locking knob (10-3) and the backrest tube fixing U-shaped piece (9-7).

6. The magnetic exercise bicycle of claim 4, wherein the seat cushion connecting bent pipe (9-6) is respectively connected with a backrest handrail (12) at both sides.

7. A magnetically controlled exercise bicycle according to claim 1, characterized in that the chain cover and transmission system assembly (3) is connected with a front foot tube assembly (5) underneath.

8. A magnetic exercise bicycle according to claim 1, characterized in that the main frame tube assembly (1) is connected with a rear foot tube assembly (6) below.

9. A magnetic exercise bicycle according to claim 1, wherein the main frame tube assembly (1) is connected with an elastic pull rope assembly (13).

10. The magnetic exercise bicycle of claim 1, wherein the main frame tube assembly (1) is connected with a handrail assembly (15), and an electronic watch (14) is connected between the handrail assemblies (15).