A self-generating motor for fitness equipment

By designing a self-generating motor on a dynamic bicycle, using the transitional coordination between the aluminum ring and the flywheel and other components, the problem of the dynamic bicycle requiring an external power supply is solved, and stable riding and enhanced riding experience without power is achieved.

CN116173460BActive Publication Date: 2025-08-12KERUI TECH (DONGGUAN) CO LTD
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Patent Information

Application Number
CN202211723341.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-30
Publication Date
2025-08-12
Estimated Expiration
2042-12-30

AI Technical Summary

Technical Problem

Existing dynamic bicycles require external power to work, and they cannot ride and exercise without power, which affects the user experience.

Method used

A self-generating motor for fitness equipment is designed. Through the transitional cooperation between the aluminum ring and the flywheel, combined with the structural design of the stator core, magnetic steel ring, ball bearing and threaded hole, it ensures the power balance and stability of the flywheel and realizes the self-generating function.

Benefits of technology

It enhances the riding experience and provides the damping required for human cycling. The flywheel moment of inertia is in line with the characteristics of human cycling and can work stably without external power supply.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a self-generating motor for fitness equipment, comprising a flywheel, wherein a bottom cover is transversely arranged at the bottom end of the flywheel, and an aluminum ring is transversely arranged at the connection between the flywheel and the bottom cover, the aluminum ring is transversely located at the bottom end of the flywheel, and the aluminum ring and the flywheel are connected by screws, a drive shaft is vertically arranged inside the flywheel, and a first threaded hole is formed at the middle position of the top end of the drive shaft, the bottom end of the drive shaft is connected to the bottom cover, and a second threaded hole is formed at the bottom end of the bottom cover; a transition fit is performed between the aluminum ring and the flywheel, thereby ensuring the dynamic balance of the flywheel and reducing noise and resonance, and the aluminum ring is flattened and lightened as a whole, so that the overall rotational inertia of the flywheel is more in line with the characteristics of human riding, provides the damping required by the human body when riding, thereby enhancing the experience, and through the first threaded hole and the second threaded hole, the flywheel is more stable and firm when vertically arranged on the V-seat of the cycling fitness equipment.
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Description

Technical Field

[0001] The present invention relates to the field of self-generating generators, and in particular to a self-generating motor for fitness equipment. Background Art

[0002] Spinning bikes have overcome all the shortcomings of outdoor cycling. Thanks to technological improvements, this sport is not only easy to learn but also a full-body aerobic exercise. Existing spinning bikes require an external power source for their components to function. Without an external power source, they will not function, hindering people from enjoying the thrill of cycling. Therefore, a self-generating motor for fitness equipment has been proposed. Summary of the Invention

[0003] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.

[0004] A self-generating motor for fitness equipment includes a flywheel, a bottom cover is laterally arranged at the bottom end of the flywheel, and an aluminum ring is laterally arranged at the connection between the flywheel and the bottom cover, the aluminum ring is laterally located at the bottom end of the flywheel, and the aluminum ring and the flywheel are connected by screws, a drive shaft is vertically arranged inside the flywheel, and a first threaded hole is formed in the middle position of the top end of the drive shaft, the bottom end of the drive shaft is connected to the bottom cover, and a second threaded hole is formed at the bottom end of the bottom cover.

[0005] Preferably, a stator core is transversely arranged at the bottom end of the flywheel, and the stator core is sleeved on the bottom cover. A magnetic steel ring is sleeved on the outer wall of the stator core, and the magnetic steel ring is located inside the flywheel.

[0006] Preferably, a shaft sleeve is vertically formed at the outer top of the flywheel, and the drive shaft passes through the shaft sleeve. A first ball bearing is horizontally arranged at the inner top of the shaft sleeve, and the drive shaft passes through the first ball bearing, and the drive shaft rotates inside the shaft sleeve through the first ball bearing.

[0007] Preferably, a gasket is provided at the connection between the drive shaft and the first ball bearing, and the gasket and the first ball bearing are parallel to each other. A groove is formed around the top surface of the drive shaft, and a retaining spring is laterally inserted into the side of the groove, and the retaining spring is laterally located at the top of the drive shaft.

[0008] Preferably, a second ball bearing is provided at the connection between the driving shaft and the bottom cover, and the second ball bearing is sleeved on the driving shaft.

[0009] Preferably, a protrusion is provided at the connection between the drive shaft and the bottom cover, and the protrusion is located on the side of the bottom end of the drive shaft, and the drive shaft is fixed to the bottom cover through the protrusion, and a slot that snaps into place with the protrusion is formed in the middle position of the bottom cover, and the protrusion is fixed inside the slot.

[0010] Compared with the prior art, the beneficial effects of the present invention are: a transition fit is performed between the aluminum rim and the flywheel, thereby ensuring the dynamic balance of the flywheel and reducing noise and resonance, and the aluminum rim as a whole is flattened and lightened, so that the overall rotational inertia of the flywheel is more in line with the characteristics of human riding, and provides the damping required for human riding, thereby enhancing the experience, and through the first threaded hole and the second threaded hole, the flywheel is more stable and firm when vertically set on the V-seat of the cycling fitness equipment.

[0011] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 It is a structural schematic diagram of a self-generating motor used in fitness equipment;

[0014] Figure 2 is another structural schematic diagram of a self-generating motor for fitness equipment;

[0015] Figure 3 is another structural schematic diagram of a self-generating motor for fitness equipment;

[0016] Figure 4 Schematic diagram of the structure of the bottom cover;

[0017] Figure 5 is another structural schematic diagram of the bottom cover;

[0018] Figure 6 Schematic diagram of the drive shaft structure.

[0019] Shown in the figure: 1. Aluminum ring, 2. Flywheel, 3. Drive shaft, 4. Bushing, 5. First threaded hole, 6. Bottom cover, 7. Second threaded hole, 8. First ball bearing, 9. Second ball bearing, 10. Stator core, 11. Magnetic steel ring, 12. Gasket, 13. Circlip, 14. Slot, 15. Limit slot, 16. Bump. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-6 In an embodiment of the present invention, a self-generating motor for fitness equipment includes a flywheel 2, a bottom cover 6 is transversely provided at the bottom end of the flywheel 2, and an aluminum ring 1 is transversely provided at the connection between the flywheel 2 and the bottom cover 6. The aluminum ring 1 is transversely located at the bottom end of the flywheel 2, and the aluminum ring 1 and the flywheel 2 are connected by screws (not shown in the figure), and a transition fit is performed between the aluminum ring 1 and the flywheel 2, thereby ensuring the dynamic balance of the flywheel 2 and reducing noise and resonance. The aluminum ring 1 is flattened and lightened as a whole, so that the overall rotational inertia of the flywheel 2 is more consistent with the It conforms to the characteristics of human cycling and provides the damping required by the human body when cycling, thereby enhancing the experience. A drive shaft 3 is vertically arranged inside the flywheel 2, and a first threaded hole 5 is formed at the middle position of the top of the drive shaft 3. The bottom end of the drive shaft 3 is connected to the bottom cover 6, and a second threaded hole 7 is formed at the bottom end of the bottom cover 6. When the drive shaft 3 rotates, it also drives the flywheel 2, the bottom cover 6 and the aluminum ring 1 to rotate, and through the first threaded hole 5 and the second threaded hole 7, the flywheel 2 is vertically arranged on the V-seat of the cycling fitness equipment, which is more stable and firm.

[0022] A stator core 10 is laterally arranged at the bottom end of the flywheel 2 , and the stator core 10 is sleeved on the bottom cover 6 . A magnetic steel ring 11 is sleeved on the outer wall of the stator core 10 , and the magnetic steel ring 11 is located inside the flywheel 2 .

[0023] A shaft sleeve 4 is vertically formed at the outer top of the flywheel 2, and the drive shaft 3 passes through the shaft sleeve 4. A first ball bearing 8 is horizontally arranged at the inner top of the shaft sleeve 4, and the drive shaft 3 passes through the first ball bearing 8, and the drive shaft 3 rotates inside the shaft sleeve 4 through the first ball bearing 8.

[0024] A gasket 12 is provided at the connection between the drive shaft 3 and the first ball bearing 8, and the gasket 12 and the first ball bearing 8 are parallel to each other. A groove 14 is formed around the top surface of the drive shaft 3, and a retaining spring 13 is laterally inserted into the side of the groove 14, and the retaining spring 13 is laterally located at the top of the drive shaft 3.

[0025] A second ball bearing 9 is provided at the connection between the driving shaft 3 and the bottom cover 6 , and the second ball bearing 9 is sleeved on the driving shaft 3 .

[0026] A protrusion 16 is provided at the connection between the drive shaft 3 and the bottom cover 6, and the protrusion 16 is located on the side of the bottom end of the drive shaft 3, and the drive shaft 4 is fixed to the bottom cover 6 through the protrusion 16. A slot 14 that snaps into place with the protrusion 16 is formed in the middle position of the bottom cover 6, and the protrusion 16 is fixed inside the slot 14.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced therein.

Claims

1. A self-generating motor for fitness equipment, comprising a flywheel, characterized in that: A bottom cover is laterally arranged at the bottom end of the flywheel, and an aluminum ring is laterally arranged at the connection between the flywheel and the bottom cover. The aluminum ring is laterally located at the bottom end of the flywheel, and the aluminum ring and the flywheel are connected by screws. A drive shaft is vertically arranged inside the flywheel, and a first threaded hole is formed in the middle position of the top end of the drive shaft. The bottom end of the drive shaft is connected to the bottom cover, and a second threaded hole is formed at the bottom end of the bottom cover.

2. A self-generating motor for fitness equipment according to claim 1, characterized in that: A stator core is transversely arranged at the bottom end of the flywheel, and the stator core is sleeved on the bottom cover. A magnetic steel ring is sleeved on the outer wall of the stator core, and the magnetic steel ring is located inside the flywheel.

3. The self-generating motor for fitness equipment according to claim 1, characterized in that: A shaft sleeve is vertically formed at the outer top of the flywheel, and the drive shaft passes through the shaft sleeve. A first ball bearing is horizontally arranged at the inner top of the shaft sleeve, and the drive shaft passes through the first ball bearing, and the drive shaft rotates inside the shaft sleeve through the first ball bearing.

4. A self-generating motor for fitness equipment according to claim 3, characterized in that: A gasket is provided at the connection between the drive shaft and the first ball bearing, and the gasket and the first ball bearing are parallel to each other. A groove is formed around the top surface of the drive shaft, and a retaining spring is laterally inserted into the side of the groove, and the retaining spring is laterally located at the top of the drive shaft.

5. The self-generating motor for fitness equipment according to claim 1, characterized in that: A second ball bearing is provided at the connection between the driving shaft and the bottom cover, and the second ball bearing is sleeved on the driving shaft.

6. The self-generating motor for fitness equipment according to claim 1, characterized in that: A protrusion is provided at the connection between the drive shaft and the bottom cover, and the protrusion is located on the side of the bottom end of the drive shaft, and the drive shaft is fixed to the bottom cover through the protrusion. A slot that snaps into place with the protrusion is formed in the middle position of the bottom cover, and the protrusion is fixed inside the slot.

Citation Information

Patent Citations

  • Brushless generator used on fitness equipment

    CN114598121A