Magneto-rheological fluid rotary resistance device
A magneto-rheological fluid and resistance device technology, applied in the direction of liquid resistance brakes, brake types, mechanical equipment, etc., can solve problems such as poor magnetic conduction efficiency, unsatisfactory needs, and complex structures
Active Publication Date: 2019-08-02
GIANT MFG
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Problems solved by technology
For example, US Publication No. US 8,397,885 B2 patent MAGNETO-RHEOLOGICAL FLUID BRAKE, which discloses a "magneto-rheological fluid brake resistance device", but the design of this patent is an inner rotor, the torque utilization efficiency is low, and it has multi-pole magnetic coils , not only the structure is complex, but there are gaps between the multi-pole magnetic coils, the distribution of the magnetic force lines is not good, the magnetic conduction efficiency is not good, and it cannot meet the needs of use
Method used
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[0013] Relevant detailed description and technical contents of the present invention are as follows with regard to coordinating accompanying drawings now:
[0014] see figure 1 , figure 2 and image 3 As shown, it is the appearance perspective view, sectional structure diagram and three-dimensional partial sectional structure diagram of a preferred embodiment of the present invention. As shown in the figure: the present invention is a magnetorheological fluid rotary resistance device for braking The relative rotation between an inertia wheel (not shown) and an axis 20 includes an inner stator 30, an outer rotor 40, a conductive wire 50 and a magneto-rheological fluid 60, wherein the inner stator 30 and the axis 20 Combined with fixing, the inner stator 30 is provided with an accommodating space 31 surrounding the shaft 20 at a place away from the shaft 20 .
[0015] In actual implementation, the inner stator 30 may have a fixing portion 32 and a locking portion 33, the fix...
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The invention discloses a magnetorheological fluid rotating type resistance device, and relates to a resistance device for providing relative rotation between an inertia wheel and a shaft center. Thedevice comprises an inner stator, an outer rotor, a conductive wire and magnetorheological fluid. The device is mainly characterized in that the position, away from the shaft center, of the inner stator combined and fixed to the shaft center is provided with a containing space for surrounding the shaft center; the outer rotor combined and fixed to the inertia wheel covers the inner stator and is relatively rotated; and a containing gap is formed in the position, away from the shaft center, between the outer rotor and the inner stator, the conductive wire is wound in the containing space, a magnetic line of force passing through the containing gap is produced after the conductive wire is powered by current, the containing gap is filled with the magnetorheological fluid, the outer rotor is arranged on the outer side so as to improve brake torque, meanwhile, the magnetorheological fluid is away from the shaft center, braking moment of force can be increased, and therefore using requirements are met.
Description
technical field [0001] The invention relates to a rotary resistance device, in particular to a magnetorheological fluid rotary resistance device. Background technique [0002] Flywheel is a kind of exercise bicycle. The difference from ordinary exercise bicycles is that the flywheel is designed to simulate road bicycles, which can bring better fitness effects and effectively improve cardiopulmonary function. It is for busy modern people who cannot carry out actual road riding It is an excellent alternative solution, and it also allows users to carry out simulated training, and can achieve better results when actually riding on the road. A programmable continuous braking system is installed between the inertia wheel and the axle center of the flywheel vehicle to simulate the actual feeling of riding on the road. The traditional braking resistance system is a contact resistance braking system, which will fade away after long-term use. The wear of the brake contact surface gra...
Claims
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IPC IPC(8): F16D57/00
CPCF16D57/002
Inventor 许孝文
Owner GIANT MFG