CN215995454U

CN215995454U - Exercise bicycle and magnetic control adjusting structure thereof

Info

Publication number: CN215995454U
Application number: CN202122039931.0U
Authority: CN
Inventors: 孙邦军
Original assignee: Zhejiang Arcana Power Sports Tech Co Ltd
Current assignee: Zhejiang Arcana Power Sports Tech Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-11
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the field of fitness equipment, in particular to a fitness bicycle and a magnetic control adjusting structure thereof. The magnetic control adjusting structure comprises an inertia wheel, a magnetic control assembly and a control component, wherein the magnetic control assembly is used for generating a magnetic field to generate resistance on the inertia wheel, and the control component is used for adjusting the magnetic control assembly; the method is characterized in that: a metal ring sheet capable of being magnetically adsorbed is formed on the outer diameter edge of the inertia wheel, and the magnetic control assembly comprises a base hinged on the rack and magnets arranged on the base and positioned on two sides of the metal ring sheet respectively; the output end of the control component is directly or indirectly connected with the base and can drive the base to rotate along the hinged end of the base so as to adjust the relative area of the magnet and the metal ring sheet. The structure makes full use of the magnetic field generated by the magnet, is not wasted, and can meet the requirement of better resistance precision.

Description

Exercise bicycle and magnetic control adjusting structure thereof

Technical Field

The utility model relates to the field of fitness equipment, in particular to a fitness bicycle and a magnetic control adjusting structure thereof.

Background

The exercise bike is a relatively wide exercise apparatus which people contact at present, and the structure of the inertia wheel arranged on the frame is also well known. At present, the inertia wheel on the exercise bicycle generally adopts a magnetic resistance inertia wheel, the magnetic resistance inertia wheel or cast iron or steel, the magnetic resistance inertia wheel can be magnetically adsorbed, and the resistance of the exercise bicycle during use can be adjusted by adjusting the magnetic force of the magnetic control component relative to the inertia wheel. The existing magnetic resistance inertia wheel can adopt a steel plate outer magnetic inertia wheel and a component thereof which are recorded in the Chinese utility model patent text with the publication number of CN212536482U, and the magnetic component on the side arc magnetic plate is used for adsorbing the side of the inertia wheel so as to adjust the resistance. The inertia wheel and the magnetic control structure thereof occupy larger space; the magnetic utilization rate of the magnetic control assembly is not high, and the resistance adjustment precision is not enough.

Disclosure of Invention

In order to solve the above problems, a first object of the present invention is to provide a magnetic control adjustment structure that makes full use of a magnetic field generated by a magnet, is not wasteful, and can meet a better resistance accuracy requirement.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the magnetic control adjusting structure comprises an inertia wheel, a magnetic control assembly and a control component, wherein the magnetic control assembly is used for generating a magnetic field to generate resistance on the inertia wheel, and the control component is used for adjusting the magnetic control assembly; the method is characterized in that: a metal ring sheet capable of being magnetically adsorbed is formed on the outer diameter edge of the inertia wheel, and the magnetic control assembly comprises a base hinged on the rack and magnets arranged on the base and positioned on two sides of the metal ring sheet respectively; the output end of the control component is directly or indirectly connected with the base and can drive the base to rotate along the hinged end of the base so as to adjust the relative area of the magnet and the metal ring sheet.

The utility model adopts the technical scheme, and relates to a magnetic control adjusting structure, wherein a magnetic field generated by a magnetic control assembly in the magnetic control adjusting structure can adsorb an inertia wheel, so that the inertia wheel can generate resistance when rotating in the magnetic field of the magnetic control assembly; and the resistance generated by the magnetic control assembly to the inertia wheel can be controlled by the control component. On the basis, the inertia wheel in the scheme is different from the prior art, and a metal ring sheet is formed on the outer diameter edge of the inertia wheel; and the magnetic control assembly comprises magnets positioned on two sides of a metal ring piece, the metal ring piece can be magnetically adsorbed, and a base for mounting the magnets is hinged on the rack. When the device operates, the base can be driven to rotate with the hinged end of the base through the control part, so that the relative area of the magnet and the metal ring piece is changed, and the magnetic resistance is also changed.

By adopting the magnetic control adjusting structure, the magnetic field generated by the magnet is fully utilized, no waste is generated, and the requirement on better resistance precision can be met.

Preferably, the control part is a driving motor, an output shaft of the driving motor is connected with a swing rod, and the free end of the swing rod is connected with the base through a link rod assembly; the driving motor drives the swing rod to rotate, and the swing rod pulls the base to rotate along the hinged end of the base through the link rod assembly. In the technical scheme, the driving motor is used as a control component and can be electrically controlled by the operation panel, so that the resistance can be automatically adjusted. Particularly, can drive the swinging arms and rotate certain angle along its pivot point when driving motor rotates, the free end swing certain range of swinging arms, the band-pass is followed its hinged end rotation through link assembly pulling base, realizes the magnetic resistance and adjusts.

Preferably, the link assembly comprises two hinged seats respectively connected to the free end of the swing rod and the base, two connecting rods respectively connected to the two hinged seats, and a sleeve with two end parts respectively sleeved on the two connecting rods; at least one connecting rod is a screw rod, and the connecting rod is meshed with the sleeve through threads. In the technical scheme, at least one screw rod is adopted in the link rod assembly and is meshed with the sleeve in a threaded manner, and the screw rod and the sleeve can be axially adjusted according to the threaded structure after being sleeved, namely the depth of the screw rod entering the sleeve is adjusted, so that the length of the link rod assembly is integrally adjusted. The length of the link rod assembly can be selected according to actual conditions during installation, so that resistance can be debugged, and the situation that the resistance is not accurate and cannot reach the maximum value is avoided.

Preferably, the base is further connected with an elastic component, and the elastic component provides resistance for the base to rotate along the hinged end of the base; therefore, the link rod assembly is controllable when driving the magnetic control group, so as to prevent the magnetic control group from rapidly moving back and forth.

Preferably, two notches are formed in the base, a U-shaped support with a downward opening is erected on the base, two U-shaped arms of the U-shaped support penetrate through the two notches of the base respectively, and magnets on two sides are connected to the end portions of the two U-shaped arms of the U-shaped support respectively and located below the base. In the technical scheme, the U-shaped support frame is arranged on the base, and the two U-shaped arm end parts of the U-shaped support frame are respectively connected with the magnets on two sides, so that the installation position and the distance of the magnets are limited.

Preferably, the inertia wheel comprises an inertia wheel body, and a ring-shaped component which is fixedly connected on the side wall of the inertia wheel body; the annular member is a metal ring sheet capable of being magnetically adsorbed, the annular member and the inertia wheel body are concentrically arranged, the outer diameter of the annular member is larger than that of the inertia wheel body, and at least the outer diameter edge of the annular member exceeds the wheel surface of the inertia wheel body. The technical scheme relates to an inertia wheel, wherein an annular member is fixedly connected to the side wall of an inertia wheel body, the inertia wheel body is mainly used as a balance weight, and the annular member is a metal ring piece and is matched with a magnetic control assembly to adjust the resistance of the inertia wheel. The annular member and the inertia wheel body are arranged concentrically, the annular member rotates synchronously along with the inertia wheel body, and at least the outer diameter edge of the annular member is required to exceed the wheel surface of the inertia wheel body, so that the exceeding part of the annular member can be matched with the magnetic control assembly to adjust resistance.

Preferably, an annular groove is formed in an outer diameter edge of one side wall of the flywheel body, and an inner diameter edge of the annular member is embedded in the annular groove. Based on the structure, the annular component can be embedded in the annular groove during assembly, so that the annular component and the inertia wheel body are aligned in the radial direction, and the concentric arrangement of the annular component and the inertia wheel body is ensured; and the whole process is very convenient, and manual calculation and alignment cannot be carried out.

In particular embodiments, one of two approaches may be employed:

in the first scheme, the side wall of the annular member is welded and fixed with the side wall of the inertia wheel body.

And the overlapped part of the side wall of the annular component and the side wall of the inertia wheel body is fixedly connected through a plurality of screwing parts, and the plurality of screwing parts are arranged along the circumferential direction.

The second objective of the present invention is to provide an exercise bike, which includes a frame, a driving wheel rotatably disposed on the frame, and a pedal connected to the driving wheel via a crank. The magnetic control adjusting structure is further adopted, and the driving wheel is linked with the inertia wheel in the magnetic control adjusting structure through a belt.

Drawings

Fig. 1 is a schematic structural view of an exercise bicycle with a magnetic control adjusting structure.

Fig. 2 is an enlarged view of a portion a of fig. 1.

FIG. 3 is a schematic structural diagram of a magnetron assembly.

FIG. 4 is an assembly view of a magnetron assembly.

Fig. 5 is a schematic structural view of a link assembly.

Fig. 6 is an exploded view of the linkage assembly.

Fig. 7 is an assembly view of the flywheel.

Fig. 8 is a cross-sectional view of the flywheel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1:

as shown in fig. 2 to 8, the present embodiment relates to a magnetron adjustment structure including a flywheel 1, a magnetron assembly 2 for generating a magnetic field to generate resistance to the flywheel 1, and a control unit for adjusting the magnetron assembly 2. The outer diameter edge of the inertia wheel 1 is provided with a metal ring sheet 11 which can be magnetically adsorbed, and the magnetic control assembly 2 comprises a base 21 hinged on the rack and magnets 22 arranged on the base 21 and respectively positioned on two sides of the metal ring sheet 11. The output end of the control member is directly or indirectly connected to the base 21 and can drive the base 21 to rotate along its hinged end to adjust the relative area of the magnet 22 and the metal ring plate 11. The magnetic field generated by the magnetic control assembly 2 in the magnetic control adjusting structure can adsorb the inertia wheel 1, so that the inertia wheel 1 rotates in the magnetic field of the magnetic control assembly 2 to generate resistance. And the resistance generated by the magnetic control assembly 2 to the inertia wheel 1 can be controlled by the control component. On the basis, the inertia wheel 1 in the scheme is different from the prior art, and a metal ring sheet 11 is formed on the outer diameter edge of the inertia wheel. And the magnetic control assembly 2 comprises magnets 22 at two sides of the metal ring piece 11, the metal ring piece 11 can be attracted by magnetism, and a base 21 for installing the magnets 22 is hinged on the frame. When the device is operated, the base 21 and the hinged end thereof can be driven to rotate by the control component, so that the relative area of the magnet 22 and the metal ring piece 11 is changed, and the magnetic resistance is also changed.

By adopting the magnetic control adjusting structure, the magnetic field generated by the magnet 22 is fully utilized, no waste is generated, and the requirement on better resistance precision can be met.

In a specific embodiment, the control component is a driving motor 3, an output shaft of the driving motor 3 is connected with a swing rod 4, and a free end of the swing rod 4 is connected with the base 21 through a link assembly 5. The driving motor 3 drives the swing rod 4 to rotate, and the swing rod 4 pulls the base 21 to rotate along the hinged end thereof through the link rod assembly 5. In the technical scheme, the driving motor 3 is used as a control component, and the driving motor 3 can be electrically controlled by an operation panel, so that the resistance can be automatically adjusted. Specifically, when the driving motor 3 rotates, the swing rod 4 is driven to rotate by a certain angle along the axis point, the free end of the swing rod 4 swings by a certain amplitude, and the belt pulls the base 21 to rotate along the hinged end through the link rod assembly 5, so that the magnetic resistance adjustment is realized. As shown in fig. 5 and 6, the link assembly 5 includes two hinge seats 51 connected to the free end of the swing lever 4 and the base 21, respectively, two connecting rods 52 connected to the two hinge seats 51, respectively, and a sleeve 53 having two ends sleeved on the two connecting rods 52, respectively. At least one of the connecting rods 52 is a screw, and the connecting rod 52 is threadedly engaged with the sleeve 53. In the technical scheme, at least one screw rod is adopted in the link rod assembly 5 and is in threaded engagement with the sleeve 53, and the screw rod can be axially adjusted according to the threaded structure of the sleeve 53 after being sleeved with the sleeve 53, namely the depth of the screw rod entering the sleeve 53 is adjusted, so that the length of the link rod assembly 5 is integrally adjusted. The length of the link rod assembly 5 can be selected according to actual conditions during installation, so that resistance can be debugged, and the situation that the resistance is not accurate and cannot reach the maximum value is avoided.

In addition, in this embodiment, an elastic member (not shown) is further connected to the base 21, and the elastic member provides resistance for the base 21 to rotate along the hinge end thereof. Therefore, the link rod assembly 5 is controllable when driving the magnetic control group, so as to prevent the magnetic control group from rapidly moving back and forth.

As shown in fig. 3 and 4, two notches are formed on the base 21, a U-shaped bracket 23 with a downward opening is erected on the base 21, two U-shaped arms of the U-shaped bracket 23 respectively penetrate through the two notches 211 of the base 21, and the magnets 22 on two sides are respectively connected to the ends of the two U-shaped arms of the U-shaped bracket 23 and are located below the base 21. In the technical scheme, the U-shaped support 23 is erected on the base 21, and the two U-shaped arm end parts of the U-shaped support 23 are respectively connected with the magnets 22 on the two sides, so that the installation position and the distance of the magnets 22 are limited.

In a further development, as shown in fig. 7 and 8, the flywheel 1 comprises a flywheel body 12, and a fixed annular member is attached to the side wall of the flywheel body 12. The annular member is a metal ring sheet 11 capable of being magnetically attracted, the annular member is arranged concentrically with the inertia wheel body 12, the outer diameter of the annular member is larger than that of the inertia wheel body 12, and at least the outer diameter edge of the annular member exceeds the wheel surface of the inertia wheel body 12. According to the scheme, an annular member is fixedly connected to the side wall of an inertia wheel body 12, the inertia wheel body 12 is mainly used as a balance weight, and the annular member is a metal ring plate 11 and is matched with a magnetic control assembly 2 to adjust the resistance of the inertia wheel 1. The annular member and the inertia wheel body 12 are arranged concentrically, the annular member rotates synchronously with the inertia wheel body 12, and at least the outer diameter edge of the annular member is required to exceed the wheel surface of the inertia wheel body 12, so that the exceeding part of the annular member can be matched with the magnetic control assembly 2 to adjust the resistance.

In a specific embodiment, an annular groove 13 is formed on the outer diameter edge of one side wall of the inertia wheel body 12, and the inner diameter edge of the annular member is embedded in the annular groove 13. Based on the structure, the annular component can be embedded in the annular groove 13 during assembly, so that the annular component and the inertia wheel body 12 are aligned in the radial direction, and the concentric arrangement of the annular component and the inertia wheel body is ensured. And the whole process is very convenient, and manual calculation and alignment cannot be carried out.

In particular embodiments, one of two approaches may be employed:

in the first embodiment, the side wall of the annular member is welded and fixed to the side wall of the flywheel body 12.

In the second aspect, the overlapping portion of the side wall of the annular member and the side wall of the flywheel body 12 is connected and fixed by a plurality of fastening parts 14, and the plurality of fastening parts 14 are arranged in the circumferential direction.

Example 2:

as shown in fig. 1, a second object of the present invention is to provide an exercise bicycle, which comprises a frame 6, a driving wheel 7 rotatably disposed on the frame 6, and pedals 9 connected to the driving wheel 7 through a crank 8. The magnetic control adjusting structure is also adopted as in the embodiment 1, and the driving wheel 7 is linked with the inertia wheel 1 in the magnetic control adjusting structure through a belt. When the exercise bicycle is used, a user steps on the pedal 9 to drive the driving wheel 7 to rotate, and the driving wheel 7 drives the inertia wheel 1 to synchronously rotate through the belt to generate resistance, so that the purpose of exercise is achieved. Further, the user can drive the magnetic control assembly 2 to adjust the resistance through the control component.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims

1. The magnetic control adjusting structure comprises an inertia wheel (1), a magnetic control assembly (2) and a control component, wherein the magnetic control assembly (2) is used for generating a magnetic field to generate resistance on the inertia wheel (1), and the control component is used for adjusting the magnetic control assembly (2); the method is characterized in that: a metal ring sheet (11) capable of being magnetically adsorbed is formed on the outer diameter edge of the inertia wheel (1), and the magnetic control assembly (2) comprises a base (21) hinged on the rack and magnets (22) arranged on the base (21) and respectively positioned on two sides of the metal ring sheet (11); the output end of the control component is directly or indirectly connected with the base (21) and can drive the base (21) to rotate along the hinged end thereof so as to adjust the relative area of the magnet (22) and the metal ring sheet (11).

2. The magnetron adjustment structure of claim 1, wherein: the control component is a driving motor (3), an output shaft of the driving motor (3) is connected with a swing rod (4), and the free end of the swing rod (4) is connected with the base (21) through a link rod assembly (5); the driving motor (3) drives the swing rod (4) to rotate, and the swing rod (4) pulls the base (21) to rotate along the hinged end through the link rod assembly (5).

3. The magnetron adjustment structure of claim 2, wherein: the connecting rod assembly (5) comprises two hinged seats (51) which are respectively connected to the free end of the swinging rod (4) and the base (21), two connecting rods (52) which are respectively connected to the two hinged seats (51), and sleeves (53) of which the two end parts are respectively sleeved on the two connecting rods (52); at least one of the connecting rods (52) is a screw, and the connecting rod (52) is in threaded engagement with the sleeve (53).

4. The magnetron adjustment structure of claim 1, wherein: the base (21) is further connected with an elastic component, and the elastic component provides resistance for the base (21) to rotate along the hinged end of the base.

5. The magnetron adjustment structure of claim 1, wherein: two notches (211) are formed in the base (21), a U-shaped support (23) with a downward opening is erected on the base (21), two U-shaped arms of the U-shaped support (23) penetrate through the two notches (211) of the base (21) respectively, and magnets (22) on two sides are connected to the end portions of the two U-shaped arms of the U-shaped support (23) respectively and located below the base (21).

6. The magnetron conditioning structure of any of claims 1 to 5, wherein: the inertia wheel (1) comprises an inertia wheel body (12) and an annular member fixedly connected to the side wall of the inertia wheel body (12); the annular member is a metal ring sheet (11) capable of being magnetically adsorbed, the annular member and the inertia wheel body (12) are arranged concentrically, the outer diameter of the annular member is larger than the outer diameter of the inertia wheel body (12), and at least the outer diameter edge of the annular member exceeds the wheel surface of the inertia wheel body (12).

7. The magnetron adjustment structure of claim 6, wherein: an annular groove (13) is formed in the outer diameter edge of the side wall of one side of the inertia wheel body (12), and the inner diameter edge of the annular component is embedded in the annular groove (13).

8. The magnetron adjustment structure of claim 6, wherein: the side wall of the annular component and the side wall of the inertia wheel body (12) are welded and fixed, or the overlapping part of the side wall of the annular component and the side wall of the inertia wheel body (12) is connected and fixed through a plurality of screwing parts (14), and the plurality of screwing parts (14) are arranged along the circumferential direction.

9. The utility model provides an exercise bicycle, includes frame (6) to and rotate action wheel (7) of setting on frame (6) and connect footboard (9) on action wheel (7) through crank (8), its characterized in that: the magnetic control adjusting structure is further adopted, and the driving wheel (7) is linked with the inertia wheel (1) in the magnetic control adjusting structure through a belt.