CN203710615U - Portable oval fitness machine - Google Patents

Abstract

A portable elliptical fitness machine mainly includes a frame, a crank assembly, left and right pedals, rollers positioned at the front ends of the pedals, and a slideway backing plate positioned below the rollers, a belt pulley, an inertial flywheel and a strong magnetic damper. The left and right pedals The rear end is connected to the belt pulley through the crank assembly, the inertia flywheel is driven by the belt pulley, and the strong magnetic damper is placed inside the inertia flywheel. The portable elliptical fitness machine of the utility model has the advantages of energy saving, environmental protection, space saving, multiple motion modes, stepless adjustment of motion damping, and the like.

Description

Portable Elliptical Exercise Machine

technical field

The utility model relates to a body-building machine, in particular to an elliptical machine which can be used indoors and outdoors, and has multiple exercise modes and adjustable exercise intensity.

Background technique

At present, commercial elliptical machines of various grades on the market have large dimensions, and generally can only be used in dedicated gyms or families with ample living space. Moreover, elliptical machines are relatively heavy, and it is inconvenient to move and relocate, and the flexibility of the place of use is greatly limited. In addition, what the elliptical machine product of prior art all adopted is the standing motion mode, and both hands hold handrail, and both legs cross and step on pedal to realize body-building exercise. The exercise mode is relatively simple, and it is not suitable for people with poor lower limb function to use for a long time.

Contents of the invention

In order to overcome the above-mentioned shortcomings of the existing elliptical machines, the utility model provides a portable elliptical fitness machine that can easily adjust the exercise intensity and can be stored without being folded and disassembled. The elliptical machine removes the handle, and can perform various changes such as stepping, running, and waist turning according to individual postures. There are four kinds of fitness exercise modes including forward and reverse standing posture and forward and reverse sitting posture. The exercise intensity can be adjusted to meet the fitness needs of various groups of people.

The technical solution adopted by the utility model to solve the technical problem is: a portable elliptical fitness machine, which is characterized in that it mainly includes a frame, a crank assembly, left and right pedals, a roller located at the front end of the pedal, and a slideway pad located below the roller plate, belt pulley, inertia flywheel and strong magnetic damper, the rear ends of the left and right pedals are connected to the belt pulley through the crank assembly, the inertia flywheel is driven by the belt pulley, and the strong magnetic damper is placed inside the inertia flywheel .

Further, the inertia flywheel is in a concave "U" shape, and the ferromagnetic damper is placed in the concave shape of the inertia flywheel and uses the same mandrel as the inertia flywheel.

Further, the strong magnetic damper is mainly composed of a base, an arc-shaped brake disc, a small connecting rod, a small pivot, a pressure spring, and a flywheel mandrel. The flywheel mandrel is installed in the center of the base, and the base A small pivot is installed on the top of the small pivot, and two small connecting rods are installed axially symmetrically on the small pivot. The other end is rotatably connected to the shaft hole at the lower end of the base, and a compression spring and a plurality of strong magnetic blocks are installed on the arc-shaped brake pad.

Further, it also includes a rotary stepless fine tuner for adjusting the strong magnetic damper, the rotary stepless fine tuner is connected to the small pivot of the strong magnetic damper through a steel cable and can be pulled by the steel cable to rotate the small pivot. The specific adjustment method is: when reducing the resistance adjustment, the stepless fine-tuning steel cable pulls the small pivot to rotate counterclockwise, driving the small connecting rods on both sides to move, and the two arc-shaped brake discs rotate around the shaft hole at the lower end of the base. receive. Both gates are embedded with strong magnetic blocks. During the retraction process, the distance between the strong magnetic block and the inner edge of the inertial flywheel of magnetic material gradually increases, the magnetic attraction force also gradually decreases, and the resistance torque of flywheel rotation also follows. decrease. When the resistance adjustment is increased, the stepless fine-tuning rotates in the opposite direction, and the arc-shaped brake disc 63 is stretched out under the joint action of the spring 66 and the magnetic attraction force, and gradually approaches the inner edge of the inertia flywheel 5, the gap decreases, and the resistance of the flywheel rotation The torque also increases accordingly, so as to realize the non-friction damping adjustment.

Further, the slideway backing plate is integrally connected with the frame by bolts.

The overall dimensions of the utility model: about 60cm long, about 40cm wide, about 30cm high, about 14kg in weight, so as to realize its portability. The device of the utility model is designed according to the ankle motion track when people jog naturally, fully considering the factors of ergonomics. When both feet are pedaling, the inertial flywheel is driven by the belt pulley to make a circular motion, and the rollers roll back and forth on the slideway. By adjusting the distance between the strong magnetic damper and the flywheel, different sizes of exercise loads can be obtained to achieve different exercise effects. Lifting, stepping forward, swinging back, folding and other movements of the user's feet can fully and comprehensively exercise the legs, buttocks, arms and hips. Three kinds of sports functions can be satisfied at one time, which increases the fun of sports exercises.

The beneficial effects of the utility model are:

The portable elliptical fitness machine has the following advantages: 1. Energy saving and environmental protection: no power supply is required, it is convenient to use indoors and outdoors, there is no movement noise, no impact sound when running, and avoid affecting others; 2. Space saving: small size, light weight, small footprint Small space, easy to carry and store; 3. Multiple motion modes: 4 modes: forward motion in standing posture, reverse motion in standing posture, forward motion in sitting posture, reverse motion in sitting posture, and various transformations can be made by combining hand movements; 4. Stepless adjustment of motion damping: The non-contact magnetic control principle is used to adjust the size of the damping, and the motion is smooth and smooth, which is suitable for the sports needs of all kinds of people.

Description of drawings

Fig. 1 is the perspective view of the utility model after removing the outer casing;

Fig. 2 is a three-dimensional exploded view of the main components of the utility model;

Figure 3 is a structural exploded view of the strong magnetic damper assembly;

Fig. 4 is the front view of strong magnetic damper assembly;

Fig. 5 is the overall three-dimensional rendering of the utility model;

In the figure: 1. Slideway backing plate, 2. Roller, 3. Pedal, 4. Stepless trimmer, 5. Inertia flywheel, 6. Strong magnetic damper, 7. Belt pulley, 8. Crank assembly, 9. Frame, 31, pedal frame, 81, crank, 82, crank shaft, 61, base, 62, cover plate, 63, arc brake pad, 64, small connecting rod, 65, small pivot, 66, compression spring , 67, flywheel mandrel, 68, steel cable, 69, strong magnetic block.

Detailed ways

Below in conjunction with this accompanying drawing and embodiment the utility model is described further.

As shown in Figure 1, the portable elliptical fitness machine mainly includes slideway backing plate 1, roller 2, left and right pedals 3, stepless trimmer 4, inertial flywheel 5, strong magnetic damper 6, belt pulley 7, crank assembly 8, Rack9. The roller 2 is located at the front end of the pedal 3, the slideway backing plate 1 is located below the roller 2, the belt pulley 7, and the inertia flywheel 5 is located above the frame 9, the rear end of the pedal 3 is connected with the belt pulley 7 through the crank assembly 8, and the inertia flywheel 5 passes through the belt Driven by the disk 7, the strong magnetic damper 6 is placed inside the inertial flywheel 5.

When the user moves in a standing posture, the pedals 3 are crossed with both feet, and the crank assembly 8 drives the belt pulley 7 to rotate, and the inertial flywheel 5 is driven in a circular motion through the belt drive. When the user moves continuously, the roller 2 rolls back and forth in a straight line on the slideway backing plate 1 . The spatial trajectory of the ankle position point on the pedal is approximately an ellipse. The stepless fine-tuner 4 can be rotated to adjust the strong magnetic damper 6 to obtain different fitness exercise resistances.

When using with the aid of sofas, chairs, etc., you only need to properly adjust the position between the utility model and the chair according to individual conditions, and naturally step on the pedals back and forth to realize the sitting posture movement mode.

As shown in Figure 2, the rear end of the frame 9 is a beam, and the front end of the frame is connected with the roller backing plate 1 by bolts to form an "I"-shaped structure to prevent rollover during movement. There is a shaft hole at the rear end of the pedal frame 31, which is pivotally connected with the horizontal shaft fixed on the crank 81, and the axial serial movement of the pedal frame on the horizontal shaft is limited by a retaining ring. The square head crankshaft 82 is installed in the shaft hole of the frame column, and the belt pulley 7 is positioned on the crankshaft 82 through the center hole and fixedly connected. Belt pulley 7 is connected with the flange part of inertial flywheel 5 by multi-ribbed belt, makes it rotate synchronously.

As shown in Figure 3 and Figure 4, the strong magnetic damper assembly is mainly composed of a base 61, a cover plate 62, an arc brake 63, a small connecting rod 64, a small pivot 65, a compression spring 66, and a flywheel spindle 67. etc., the flywheel mandrel 67 is installed in the center of the base 61, and the base 61 is equipped with a small pivot 65, and two small connecting rods 64 are installed axially symmetrically on the small pivot 65. One end of the connecting rod 64 is connected with the small pivot 65, and the other end is rotatably connected with the arc brake plate 63, and the other end of the arc brake plate 63 is rotatably connected with the shaft hole at the lower end of the base. A stage clip 66 and a plurality of strong magnetic blocks 69 are installed on the brake pad 63 . When reducing the resistance adjustment, the stepless fine-tuning steel cable 68 pulls the small pivot 65 to rotate counterclockwise, drives the small connecting rods 64 on both sides to move, and the two arc-shaped brake pads 63 rotate and retract around the shaft holes at the lower end of the base. Both gates are embedded with strong magnetic block 69. During the adduction process, the distance between the strong magnetic block and the inner edge of the inertial flywheel 5 of magnetic material increases gradually, and the magnetic attraction force also decreases gradually. The resistance moment of flywheel rotation also decreases accordingly. When the resistance adjustment is increased, the stepless fine-tuning rotates in the opposite direction, and the arc-shaped brake disc 63 is stretched out under the joint action of the spring 66 and the magnetic attraction force, and gradually approaches the inner edge of the inertial flywheel 5, the gap decreases, and the resistance of the flywheel rotation The torque also increases accordingly, so as to realize the non-friction damping adjustment.

Claims (3)

1. a portable elliptical fitness machine, it is characterized in that, mainly comprise frame, crank assemblies, left and right pedal, be positioned at the roller of pedal front end, the slideway backing plate that is positioned at roller below, belt pulley, inertial flywheel and strong magnetic damper, described left and right pedal rear end by crank assemblies be connected with belt pulley, described inertial flywheel drives by belt pulley, described strong magnetic damper is placed in the inside of inertial flywheel.

2. the portable elliptical fitness machine of one according to claim 1, is characterized in that, " U " shape that described inertial flywheel is indent, and described strong magnetic damper is placed in the spill of inertial flywheel and uses same single mandrel with inertial flywheel.

3. the portable elliptical fitness machine of one according to claim 1 and 2, it is characterized in that, described strong magnetic damper is mainly by pedestal, arc brake lining, small rod, little pivot, stage clip, flywheel axle composition, described flywheel axle is arranged on pedestal center, little pivot is installed on this pedestal, two small rods are installed on described little pivot axisymmetrically, the other end of described small rod is connected turnably with arc brake lining, the other end of described arc brake lining is connected turnably with the axis hole of pedestal lower end, stage clip and multiple magnetic block are installed on described arc brake lining.