CN2486174Y - Elliptical exercise machine with adjustable stroke - Google Patents

Abstract

An elliptical exercise machine with adjustable stroke comprises a machine body, a transmission device, two swing arms, two pedal shafts and two rocker arms. The machine body is provided with a frame and a vertical rod, the transmission device is provided with a transmission wheel positioned on the frame and two connecting rods pivoted with the transmission wheel, each swing arm is respectively provided with a pivoting end and a swinging end formed with a plurality of shaft connecting parts, each pedal shaft is respectively provided with two ends pivoted with the swing arms and the connecting rods, a top surface formed with a track and a pedal sliding on the track, and each rocker arm is respectively provided with a connecting end pivoted with the pedal and an adjusting end pivoted with any shaft connecting part of the swing arms, so that the machine body is suitable for different user statures and provides comfort in use.

Description

Elliptical exercise machine with adjustable stroke

The utility model relates to a circular motion machine, in particular to an elliptical motion machine with an adjustable stroke that can change the elliptical motion track by adjusting the stroke.

Referring to FIG. 1 , taking a general elliptical exercise machine as an example, it mainly includes a body 1 , a transmission wheel 2 , two swing arms 3 and two pedal shafts 4 . The machine body 1 has a vehicle frame 101 that can be placed on the ground and a vertical pole 102 hanging on the front end of the vehicle frame 101. The pivot has a connecting rod 201, and each of the swing arms 3 has one end pivot on the side of the vertical rod 102 and the other end that hangs down and can swing back and forth. Each of the pedal shafts 4 has a swing arm 3 and a connecting rod respectively. One end of the 201 is pivoted, the other end and a top surface on which a pedal 401 is fixed. Thereby, the user only needs to stand on the top surface of the pedal 401 of the pedal shaft 4, respectively apply an upward and downward sliding force to the pedal shaft 4, and the pedal shaft 4 can be driven to take the swing arm 3 as the support point respectively, and Follow the elliptical trajectory movement of the connecting rod 201 to achieve the purpose of strengthening the leg muscles. Although the above-mentioned structure can achieve the purpose of exercise and fitness, it still has the following unsatisfactory deficiencies when it is actually used:

Since the pedal 401 is fixed on the pedal shaft 4, and the elliptical trajectory generated by the movement of the pedal shaft 4 following the connecting rod 201 cannot be changed, therefore, for users with different exercise requirements or users with different heights, If the distance between the pedals 401 is too large or too small, it may cause uncomfortable feelings such as excessive stretching of the feet or insufficient exercise.

Therefore, the purpose of this utility model is to provide an elliptical exercise machine that can adjust the sliding stroke of the pedals and change the adjustable stroke of the elliptical motion track according to different users and exercise amounts.

Therefore, the stroke-adjustable elliptical exercise machine of the present invention includes a body, a transmission device, two swing arms, two pedal shafts and two rocker arms. The machine body has a vehicle frame that can be placed on the ground and a pole. The vehicle frame has a front end side and a rear end side. The other end of the transmission device has a transmission wheel pivoted on the rear end side of the vehicle frame and two connecting rods, each of which has a pivot end pivoted on the side of the transmission wheel and a freely rotating Swivel end; each swing arm has a pivot end on the side of the vertical rod and a swing end that hangs down and can swing back and forth. The swing end has a number of shaft joints arranged equidistantly from top to bottom Each of the pedal shafts has one end for pivoting with the swing arm and the movable end of the connecting rod, the other end, a top surface forming a track and a pedal sliding on the track; The connecting end and an adjusting end which can be pivotally connected with any pivot joint of the swing arm.

In this way, when the pedal shaft moves along the elliptical track, the sliding stroke of the pedal on the track can be adjusted by changing the position of the rocker arm and the shaft joint, so as to be suitable for users of different sizes and feel more comfortable.

The elliptical exercise machine with adjustable stroke of the present utility model is described in detail below through the best embodiment and accompanying drawings, in the accompanying drawings:

Fig. 1 is a side view illustrating the overall appearance of a general elliptical exercise machine;

Fig. 2 is a side view, illustrating a preferred embodiment of the elliptical exercise machine with adjustable stroke of the utility model;

Fig. 3 is a three-dimensional exploded view illustrating the structure of a swing arm, a pedal shaft and a rocking arm of the preferred embodiment;

Fig. 4 is a perspective view illustrating the combined appearance of the preferred embodiment swing arm, pedal shaft and rocker arm;

Fig. 5 is a side view, illustrating that the rocking arm of this preferred embodiment is located at the motion track of the last point of the swing arm;

Fig. 6 is a side view, illustrating that the rocking arm of this preferred embodiment is located at the movement track of the topmost point of the swing arm;

Referring to Fig. 2, Fig. 3, Fig. 4, the preferred embodiment of the elliptical exercise machine with adjustable stroke of the utility model comprises: a body 10, a transmission device 20, two swing arms 30, two pedal shafts 40 and two rocking arms 50, and the directions described below are based on the direction of the user standing on the body 10.

The machine body 10 has a vehicle frame 11 which can be placed on the ground and a pole 12. The vehicle frame 11 has a front end side 111 and a rear end side 112. One end of side 111 is consolidated and the other end extends upward.

The transmission device 20 has a transmission wheel 21 pivoted on the rear end side 112 of the vehicle frame 11, a resistance wheel 22 and two connecting rods 23, and each of the connecting rods 23 has a pivot pivoted on the side of the transmission wheel 21. The connecting end 231 and a rotating end 232 are free to rotate.

Each of the swing arms 30 has a pivot end 31 pivoted on the side of the vertical rod 12 and a swing end 32 that hangs down and can swing back and forth. The swing end 32 has three shafts arranged equidistantly from top to bottom. Connecting part 321.

Each of the pedal shafts 40 has one end 41 for pivoting with the swing arm 30, the other end 42 for pivoting with the rotating end 232 of the connecting rod 23, a top surface with a track 43 formed on it, and a side track formed at the other. The side wall of 44 and a pedal 45 sliding on track 43, each of these pedals 45 has two side plates 452 pivotally provided with a pulley 451 and a top plate 454 pivotally provided with a pulley 453, which can be stacked for top plate 454 and side plate 452 respectively. Put on the top or the outside of track 43, side track 44, and slide on track 43, side track 44 side with pulley 451,453.

Each of the rocker arms 50 has a connecting end 51 for pivoting with the pedal 45, and an adjusting end 52 for pivoting with any pivotal portion 321 of the swing arm 30. The adjusting end 52 has a shaft hole 521. A bolt 522 can pass through and be pivotally connected with the shaft connection portion 321 .

According to the above, referring to Fig. 2 and Fig. 5 again, the user only needs to stand on the top surface of the pedal 45 of the pedal shaft 40, and apply an upward and downward sliding force to the pedal shaft 40 respectively, and the pedal shaft 40 can be driven respectively by The swing end 32 of the swing arm 30 and the swing end 232 of the connecting rod 23 are supporting points to swing back and forth. At the same time, due to the change of the front and rear positions of the pedal shaft 40 and the connection relationship between the rocker arm 50 and the pedal 45, the pedal 45 is driven by the pulley 451. , 453 slide back and forth along the tracks 43, 44 of the pedal shaft 40, and cooperate with the pedal shaft 40 to follow the elliptical track movement of the connecting rod 23 respectively, so as to achieve the purpose of strengthening the leg muscles.

Referring to Fig. 2 and Fig. 4, when the user feels uncomfortable because the span of both feet is too large, the amount of exercise does not meet the requirements, or the distance between the body and the pole 12, the bolt 522 of the rocker arm 50 can be loosened to make the adjustment end 52 is pivotally connected with another shaft joint 321, as shown in 5, when the adjustment end 52 of the rocker arm 50 is pivotally connected with the pivot joint 321 at the end of the swing arm 30, the rocker arm 50 will push the pedal 45 backward, so that The sliding stroke of the pedal 45 on the rail 43 and the side track 44 is shortened, and the track of the elliptical motion is reduced. On the contrary, as shown in FIG. Pivot, then the rocker arm 50 will pull the pedal 45 forward, so that the sliding stroke of the pedal 45 on the track 43 and the side track 44 will increase, and the trajectory of the elliptical motion will be extended, so as to adjust the stroke to change the distance between the user's feet and Change your exercise goals.

To sum up the above, the stroke-adjustable elliptical exercise machine of the present invention has the following advantages and effects:

When the pedal shaft 40 of the present utility model moves along an elliptical track, the change of the position of the shaft joint 321 between the rocker arm 50 and the swing arm 30 can be used to adjust the sliding stroke of the pedal 45 on the track 43 and the side track 44. The span of the foot on the pedal 45 can change the trajectory of the elliptical motion, so that the amount of exercise can be more in line with the needs of different users, and can provide the best distance between the user's body and the pole 12 according to the stature of different users. In order to improve the comfort of use.

Claims (2)

1. the elliptical exercise machine of an adjustable full line journey comprises a body, a transmission device, two swing arms, two pedal shafts and two rocking arms, it is characterized in that:

One body, having one can be for the vehicle frame and the vertical rod that are seated in ground, and this vehicle frame has a front and a rear end side, and this vertical rod has one can supply an end one upwardly extending other end fixed with the vehicle frame front;

One transmission device has drive and two connecting rods of a pivot in the vehicle frame rear end side, and respectively this connecting rod has a pivot and is free turn and turn end at a pivot end and of drive wheel side;

Two swing arms, have respectively a pivot the pivot end and of vertical rod avris hang downwards and can before and after the swinging end that swings, this swinging end has the from top to bottom equidistant axis parts of arranging of number;

Two pedal shafts, having respectively can be for sliding against the pedal of track with an end of swing arm and connecting rod turn end pivot joint, end face and that the other end, is formed with a track;

Two rocking arms, have respectively one can for the connecting end of pedal pivot knot and one can for the adjustment end of the arbitrary axis part of swing arm pivot knot.

The 1st of claim scope the elliptical exercise machine of adjustable full line journey, it is characterized in that:

Respectively this pedal shaft has two sidewalls that are formed with a siding track in addition, this pedal has the top board that two side plates and that are pivoted with a pulley are pivoted with a pulley, can supply top board, side plate to be stacked in track, siding track top or the outside respectively, and slide in track, siding track with pulley.

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