CN106390373A - Lever transmission type elliptical trainer - Google Patents

Abstract

A lever transmission type elliptical machine is characterized in that a first oscillating bar and a second oscillating bar alternately swing in a reciprocating manner to enable a first treading bar and a second treading bar to slide back and forth, and simultaneously treading a first pedal and a second pedal to move up and down, so that a connecting rod linked with the oscillating bars drives a first driving wheel to rotate, and the treading bars are enabled to form elliptical track transmission; the stepping rod pulls a first transmission rod and a second transmission rod to link a pivot of a lever swinging mechanism to do forward and reverse reciprocating torsion; the front and back different directions of the pivot are respectively provided with a front and back pivot seat, the front pivot seat is pivoted with the top end of a transmission rod, the pivot seat is pivoted with the top end of a traction rod, the transmission rod and the traction rod are twisted in a forward and backward reciprocating way by the pivot, and two symmetrical cranks coaxial with a main shaft are respectively pushed by applying the lever action to rotate an eccentric shaft arranged on the crank, so as to provide the rotation of a second transmission wheel; the invention has simple structure and small volume, can reduce the cost and improve the use benefit of the eccentric shaft.

Description

Lever drive elliptical trainer

technical field

The invention relates to a lever-driven elliptical machine, especially an elliptical machine which can independently control resistance in swinging or stepping or mixed swinging and stepping, has a simplified structure, improves smooth operation, and saves costs.

Background technique

In the field of fitness machines, the most common one is a stepping elliptical machine. Because it is easy to use, the hands and feet move like running, and the stepping action of the stepping rod is like an elliptical trajectory. It is an elliptical machine, or a stepping elliptical fitness machine; however, in general elliptical machines, most of the magnetic control adjustments focus on the control of the resistance of the swing bar swinging back and forth, because it directly uses the connecting rod to link the up and down pedaling resistance of the stepping bar, so that the The structure is extremely complicated, and the volume of the overall elliptical machine is increased, resulting in increased transportation costs and occupying space, which is missing.

Another deficiency is that the resistance of the hands is different from the resistance of the feet. If the resistance controlled by both hands and feet is the same in movement, the desired movement effect cannot be obtained. It may be due to the movement resistance of the feet. Accommodate the movement resistance of both hands, but with only one regulation method, it is impossible to obtain the desired exercise and fitness effect.

Contents of the invention

In order to solve the above-mentioned problems, the present invention uses the first magnetic control wheel of the first and second magnetic control groups to regulate the resistance of the two swing rods, and the second magnetic control wheel of the second magnetic control group to regulate the resistance of the two stepping rods. The two stepping rods are stepped on alternately, and respectively drive the first and second transmission rods to alternately pull the first and second lever swing mechanisms, so that the first and second transmission rods of the first and second lever swing mechanisms alternately move toward the first and second draw rods. There is a push-pull effect between them to drive the first and second eccentric shafts to rotate. On the same axis but with a first and second crank on both sides to make the first and second eccentric shafts rotate at different positions to rotate The second magnetic control wheel also obtains and regulates the resistance of the two stepping rods.

Another problem to be solved is that when starting to step on, and the smooth problem of continuous rotation, the first and second eccentric shafts fixed by the first and second drawbar cables of the first and second lever swing mechanisms are at the same time at zero moment. When on the overlapping position, then a magnetic turntable of a magnetic mechanism is fixed on the same main shaft as a second transmission wheel, and several magnetic elements can be fixed on the magnetic turntable, and the several magnetic elements are on the When the magnetic swivel base rotates, a second magnetic element is erected at the zero-moment overlapping position of the first and second drawbars, and the polarity of the first and second magnetic elements is the same, so that the eccentric shaft is naturally pushed away to make the first and second magnetic elements The two drawbars deviate from the zero-moment overlap position, so that the pedal levers will not be stuck when starting, and the smoothness of rotation will be improved at the same time.

To achieve the aforementioned purpose, the structure of the present invention is mainly composed of a frame, the first and second swing rods, a magnetic control group, a transmission rod, a lever swing mechanism, a magnetic mechanism, and a pedal rod; wherein, the first and second swing rods They are respectively connected to the first and second pendulum shafts provided on the frame, the ends of the first and second pendulum rods are pivotally connected to the front end of the stepping rod, and at the same time, a first One and two fixed seats are respectively pivotally connected to one end of a first and second connecting rod, and the other end shaft of the first and second connecting rod is arranged on the shaft center of the first transmission wheel of the first magnetic control group to regulate the first and second connecting rods. The resistance of a magnetic control wheel to the first and second fork rods, while the tops of the first and second transmission rods are pivotally connected to the first and second pivot seats on the first and second pivot shafts respectively, which is different from the The relative positions of the first and second pivotal seats are respectively fixed with a third and fourth pivotal seats so that the first and second pivotal seats and the third and fourth pivotal seats are respectively fixed on the same first pivotal seat. 1. On the different symmetrical positions of the two pivots, wherein the third and fourth pivot seats are respectively pivoted to the tops of the first and second drawbars, and the bottom ends of the first and second drawbars are respectively fixed on the first and second drawbars. On the eccentric shaft, the axes of the first and second eccentric shafts are respectively arranged on one end of the first and second cranks, and the other ends of the first and second cranks are connected to the main shaft of the second drive wheel of the second magnetic control group. coaxial, when the first and second swing rods are swung back and forth, the first and second transmission rods of the first and second lever swing mechanisms and the first and second traction rods are alternately pushed and pulled to make the first and second pedals Step on the rod up and down to drive the first and second transmission rods to push and pull up and down. Synchronously push and pull the first and second traction rods up and down to drive the first and second eccentric shafts to rotate eccentrically with the main shaft as the axis. The second transmission wheel rotates to make the second magnetic control wheel regulate the resistance of the stepping rod; the aforementioned first and second stepping rods are alternately stepped up and down while cooperating with the first and second swing rods to swing back and forth to form an elliptical track stepping movement, And the first and second pendulum rods are regulated by the first magnetic control group, and the first and second pedal rods are regulated by the second magnetic control group, so as to provide independent regulation of resistance.

The present invention intends to achieve the smoothness of starting and rotation of the stepping lever, and the main shaft of the second transmission wheel of the second magnetically controlled wheel set is used to install a magnetic turntable on the shaft, and the magnetic turntable is provided with several first magnetic elements. Due to the rotation of the several magnetic elements, a second magnetic element is fixed at the place where the first and second eccentric shafts are at the zero-torque overlapping position, and the polarity of the first and second magnetic elements is the same. When the first magnetic element is at the The position of the second magnetic element, the first magnetic element produces the effect of repelling each other with the same pole and pushes the magnetic turntable away to drive the first and second eccentric shafts to rotate away from the zero-torque overlapping position, and keep constant Smoothness of swinging or pedaling.

Description of drawings

Fig. 1 shows the perspective view of the right side of the elliptical machine of the present invention.

Fig. 2 shows the perspective view of the left side of the elliptical machine of the present invention.

Fig. 3 shows the right plane schematic view of the elliptical machine of the present invention.

Fig. 4 shows the left plan view of the elliptical machine of the present invention.

Fig. 5 is a partially enlarged schematic view showing the relative position of the magnetic mechanism in the elliptical machine of the present invention.

Fig. 6 shows a partially enlarged schematic diagram of the connection of the lever swing mechanism in the elliptical machine of the present invention.

Fig. 7 shows a schematic diagram of the action of stepping up and down on the elliptical machine of the present invention.

Fig. 8 is a schematic diagram showing the action of stepping on the elliptical track of the elliptical machine of the present invention.

[Description of Reference Signs]

frame 1

The first and second magnetron groups 2a, 2b

The first and second drive wheels 21a, 21b

First and second magnet control wheels 22a, 22b

First and second pulleys 23a, 23b

The first, second and third drive belts 24, 25, 26

Spindle 20

The first and second swing rods 3a, 3b

First and second balance shafts 31a, 31b

First and second fixing seats 32a, 32b

First and second connecting rods 33a, 33b

The first and second transmission rods 4a, 4b

The first and second lever swing mechanism 5a, 5b

First and second pivots 51a, 51b

The first and second pivot seats 52a, 52b

The third and fourth pivot sockets 53a, 53b

First and second drawbars 54a, 54b

First and second eccentric shafts 55a, 55b

First and second cranks 56a, 56b

First and second pedal rods 6a, 6b

First and second pedals 61a, 61b

Magnetic Mechanism 7

Magnetic Swivel 71

first magnetic element 72

The second magnetic element 73.

detailed description

Please refer to Fig. 1 to Fig. 8 at the same time, the present invention includes a frame 1, a second magnetron group 2a, 2b, a first and second swing rod 3a, 3b, a first and second transmission rod 4a, 4b, One first and second lever swing mechanism 5a, 5b, one first and second pedal lever 6a, 6b and one magnetic mechanism 7.

A first transmission belt 24 is sleeved on the first transmission pulley 21a of the aforementioned first magnetic control group 2a, and a first belt pulley 23a is located on the axis of the first magnetic control wheel 22a. Sleeved on the first pulley 23a, the first transmission wheel 21 can drive the first magnetron wheel 22a to rotate to regulate the rotational resistance of the first transmission wheel 21a; the second transmission wheel of the second magnetron group 2b 21b is sleeved with a second transmission belt 25, and the second transmission belt 25 is sleeved with a second pulley 23b, and a third transmission belt 26 is linked with the second pulley 23 and the second magnetic control wheel 22b to regulate the first pulley. The rotation resistance of the two transmission wheels 21b.

The first magnetic control wheel 22a of the aforementioned first and second magnetic control groups 2a, 2b regulates the resistance to the two swing rods 3a, 3b, and the second magnetic control wheel 22b of the second magnetic control group 2b controls the resistance of the two stepping rods 6a, 6b. Adjust and control the resistance, use the first and second pedal levers 6a, 6b to step on alternately, and respectively drive the first and second transmission rods 4a, 4b to alternately pull the first and second lever swing mechanisms 5a, 5b, so that the first and second levers The first and second transmission rods 4a and 4b of the swing mechanism 5a and 5b alternately generate a push-pull action on the first and second draw rods 54a and 54b to drive the first and second eccentric shafts 55a and 55b to rotate. Two eccentric shafts 55a, 55b respectively pivot on a first and second crank 56a, 56b so that the first and second eccentric shafts 55a, 55b rotate at different positions to drive a second magnetron wheel 22b and obtain control The resistance of the two stepping rods 6a, 6b.

Therefore, the present invention is designed according to the intended purpose of the preceding disclosure, wherein the first and second swing rods 3a, 3b are respectively connected to the first and second swing shafts 31a, 31b provided on the frame 1, The ends of the first and second swing rods 3a, 3b are pivotally connected to the front ends of the first and second stepping rods 6a, 6b, and at the same time, a first and second fixing seats are respectively arranged on the first and second swing shafts 31a, 31b. 32a, 32b to pivotally connect one end of a first and second connecting rod 33a, 33b respectively, and the other end shaft of the first and second connecting rod 33a, 33b is arranged on the first drive wheel 21a of the first magnetic control group 2a. axis, to regulate the resistance of the first magnetic control wheel 22a to the first and second swing rods 3a, 3b, while the tops of the first and second transmission rods 4a, 4b are respectively pivotally connected to the first and second pivot shafts On the first and second pivotal seats 52a, 52b of 51a, 51b, a third and fourth pivotal seats 53a, 53b are respectively fixed on the relative positions different from the first and second pivotal seats 52a, 52b, so that The first and second pivot seats 52a, 52b are respectively fixed on different symmetrical positions of the same first and second pivots 51a, 51bb with the third and fourth pivot seats 53a, 53b, wherein the third, The four pivot seats 53a, 53b are respectively pivotally connected to the top ends of the first and second drawbars 54a, 54b, and the bottom ends of the first and second drawbars 54a, 54b are respectively fixed on the first and second eccentric shafts 55a, 55b, The axis centers of the first and second eccentric shafts 55a, 55b are arranged on one end of the first and second cranks 56a, 56b respectively, and the other ends of the first and second cranks 56a, 56b are connected to the second magnetron group 2b. The main shaft 20 of the second transmission wheel 21b is coaxial, and when the first and second fork 3a, 3b are swung back and forth, the first and second transmission rods 4a, 4b of the first and second lever swing mechanisms 5a, 5b and the first and second transmission rods 4a, 4b of the first and second lever swing mechanisms 5a, 5b are used. The mutual alternate pushing and pulling of one and two traction rods 54a, 54b makes the first and second stepping rods 6a, 6b step on up and down to drive the first and second transmission rods 4a, 4b to push and pull up and down synchronously to the first and second traction rods 54a, 54b Push and pull up and down to drive the first and second eccentric shafts 55a, 55b to rotate eccentrically with the main shaft 20 as the axis, relatively make the second transmission wheel 21b of the second magnetic control group 2b rotate, so that the second magnetic control wheel 22b regulates the The resistance of the first and second stepping rods 6a, 6b; the aforementioned first and second stepping rods 6a, 6b are stepped on alternately up and down while cooperating with the first and second swing rods 3a, 3b to swing back and forth to form an elliptical track stepping motion, and The resistance of the first and second swing rods 3a, 3b is regulated by the first magnetic control group 2a, and the resistance of the first and second pedal rods 6a, 6b is regulated by the second magnetic control group 2b, so as to provide independent regulation of resistance.

The aforesaid first and second stepping rods 6a, 6b are when the first and second pedals 61a, 61b are started to be stepped on, and the smooth problem of continuous rotation is in the first step of the first and second lever swing mechanisms 5a, 5b. 1. When the fixed first and second eccentric shafts 55a, 55b of the two traction rods 54a, 54b are on the overlapping position of zero moment simultaneously, then a magnetic swivel seat 71 of a magnetic mechanism 7 is fixed on the second drive wheel 21b with a magnetic rotating base 71. On the same main shaft 20, several first magnetic elements 72 can be fixed on the magnetic swivel base 71. When the magnetic swivel base 71 rotates, the first and second drawbars A second magnetic element 72 is erected at the zero-moment overlapping position, and the polarities of the first and second magnetic elements 71, 72 are the same, so that the first and second eccentric shafts 55a, 55b are naturally pushed away to make the first and second traction The rods 54a, 54b deviate from the zero-moment overlapping position, so that the rods 6a, 6b will not be stuck when starting to step on the rods 6a, 6b, and at the same time, the smoothness of rotation is improved.

Claims (3)

1. A lever-driven elliptical machine is composed of a frame 1, a second magnetic control group, a first and second swing rods, a first and second transmission rods, a first and second lever swing mechanism, a first 1. Composed of two pedal rods and a magnetic mechanism; it is characterized in that its structure includes: The first and second swing rods are respectively connected to the first and second swing shafts provided on the frame. The first and second balance shafts are respectively provided with a first and a second fixing seat to pivotally connect one end of a first and a second connecting rod respectively, and the other ends of the first and second connecting rods are arranged on the first magnetic control group. The axis of the first transmission wheel of the first magnetic control wheel is used to regulate the resistance of the first magnetic control wheel to the first and second swing rods; The first and second lever swing mechanisms are composed of one first and two transmission rods, one first and two pivots, one first and second pivot seats, one third and four pivot seats, one first and two Draw bar, one first, two eccentric shafts, one first, two cranks and one main shaft; Wherein the first and second transmission rods, the tops of which are pivotally connected to the first and second pivots respectively , on the second pivot seat, and fix a third and fourth pivot seat at the relative positions of the first and second pivot seats, so that the first and second pivot seats are respectively connected to the third and fourth pivot seats. Seats are respectively fixed on the relative symmetric positions with the first and second pivots, the third and fourth pivot joints are respectively pivotally connected to the tops of the first and second drawbars, and the bottom ends of the first and second drawbars are respectively It is fixed on a first and second eccentric shaft, and the axes of the first and second eccentric shafts are respectively arranged on one end of a first and second crank, and the other end of the first and second crank is connected to the second magnetic control group The main shaft of the second drive wheel is coaxial, so that when the first and second swing bars swing back and forth, the first and second drive bars and the first and second traction bars are alternately pushed and pulled to make the first and second stepping bars Stamp up and down to drive the first and second transmission rods to push and pull up and down and push and pull the first and second traction rods up and down synchronously to drive the first and second eccentric shafts to rotate eccentrically with the main shaft as the axis, relatively making the second magnetic control group The transmission wheel rotates so that the second magnetic control wheel regulates the resistance of the first and second stepping rods; A magnetic mechanism is composed of a magnetic rotating base, a first and a second magnetic element, wherein the magnetic rotating base is fixed on the same main shaft as a second transmission wheel, and several magnetic rotating bases can be fixed on the magnetic rotating base The first magnetic element, when the magnetic turntable rotates, a second magnetic element is erected at the zero moment overlapping position between the first and second drawbars, and the first and second magnetic elements The polarity is the same, so that the first and second drawbars deviate from the overlapping position of zero torque by naturally pushing away the first and second eccentric shafts, so that the pedal levers will not get stuck when starting to step on the pedals, and at the same time, the smoothness of rotation will be improved. 2. The lever-driven elliptical machine according to claim 1, wherein a first transmission belt is sheathed on the first transmission wheel of the first magnetic control group, and a first pulley is located on the first magnetic control On the axle center of the wheel, by means of the first transmission belt sheathed on the first pulley, the first transmission wheel 21 can drive the first magnetron wheel to rotate to regulate the rotation resistance of the first transmission wheel; The second transmission pulley of the second magnetic control group 2b is sleeved with a second transmission belt, and the second transmission belt 25 is sleeved with a second pulley, and a third transmission belt is then linked with the second pulley and the second magnetic control pulley. , to regulate the rotation resistance of the second transmission wheel. 3. The lever-driven elliptical machine according to claim 1, characterized in that, the first and second stepping rods are alternately stepped on up and down while cooperating with the first and second swing rods to swing back and forth to form an elliptical track stepping motion, and reach The resistance of the first and second swing rods is regulated by the first magnetic control group, and the resistance of the first and second pedal rods is regulated by the second magnetic control group.