CN103301603A - Pedal lifting mechanism of elliptical machine - Google Patents

Abstract

The invention relates to a pedal lifting mechanism of an elliptical machine, which mainly includes a base, a lifting frame pivoted on the base, and an inclination adjustment device provided in front of the lifting frame. The inclination adjustment device has a A driving source on the base, a driving rod connected to the driving source, and a bracket pivotally connecting the lifting frame and the driving rod. Therefore, when the driving source starts to operate, the driving rod will be driven by the driving source to change its length. , so that the bracket can drive the lifting frame to deflect up and down relative to the base as the length of the drive rod changes, so that the inclination angle of the pedal can be adjusted to achieve the purpose of changing the motion trajectory of the pedal.

Description

Pedal Lifting Mechanism for Elliptical Machines

technical field

The invention relates to an elliptical machine, in particular to a pedal lifting mechanism of an elliptical machine.

Background technique

The elliptical machine is a kind of cardiopulmonary fitness training equipment developed in recent years. It mainly allows users to move along an approximately elliptical trajectory when stepping on the left and right pedals, so as to simulate walking, running or climbing steps. purpose of exercise. Since the movement trajectory of the pedals of the elliptical machine is mostly fixed, the whole use process will appear tedious, and at the same time it will not be able to train the leg muscles of other parts.

China Taiwan Patent No. I294294 discloses an "elliptical machine with adjustable pedal trajectory slope", which mainly uses the screw rod of the slope control device to drive the screw to move, and then let the screw drive the support rod to deflect, and the support rod When deflecting, the guide rail seat can be controlled to change the angle relative to the ground to adjust the track slope of the pedal; in addition, China Taiwan Patent No. M403355 discloses a "lifting device for an elliptical exercise machine", which is mainly composed of a lever Use the telescopic rod of the actuator to adjust the angle between the lifting frame and the ground to change the trajectory of the pedals. However, in the aforementioned two patents, the installation space between the various components is easily limited, which causes troubles in assembly, and also increases the complexity of the overall structure, thereby resulting in an increase in manufacturing cost.

Contents of the invention

The object of the present invention is to provide a pedal lifting mechanism of an elliptical machine, which can simplify the structure, facilitate assembly, and reduce manufacturing cost.

In order to achieve the above purpose, the pedal lifting mechanism of the elliptical machine provided by the present invention includes:

a base for erecting on a supporting surface;

a lifting frame pivotally mounted on the base with its rear end; and

An inclination adjustment device has a driving source, a driving rod, and a bracket. The driving source is arranged on the base and has a predetermined distance from the front end of the lifting frame. The driving rod is connected to the The driving source can be driven by the driving source to change its length. The bracket is pivotally connected to the front end of the lifting frame and the rear end of the driving rod, and can drive the lifting frame relative to the driving rod as the length of the driving rod changes. The base swings up and down.

The pedal lifting mechanism of the elliptical machine, wherein the lifting frame has two sliding tubes, a fixed seat, and a pivot tube, the two sliding tubes are located on the left and right sides of the base, and the fixed seat is fixed on the The front ends of the two sliding tubes are pivotally connected to the top of the bracket, and the pivoting tube is connected to the rear ends of the two sliding tubes and pivotally connected to the base at both ends.

The pedal lifting mechanism of the elliptical machine, wherein the driving rod has a screw and a sleeve, one end of the screw is connected to the driving source, and can be driven by the driving source to rotate in situ, and the sleeve is screwed to The screw rod is pivotally connected with the bracket, and can be driven by the screw rod to move along the axial direction of the screw rod to drive the bracket.

The pedal lifting mechanism of the elliptical machine, wherein the bracket has a main rod body, a wheel shaft, and two rollers, the main rod body is pivotally connected to the front end of the lifting frame and the rear end of the driving rod, and the wheel shaft is connected to At the bottom end of the main rod body, the two rollers are rotatably arranged at the two ends of the wheel shaft for abutting against the supporting surface.

The pedal lifting mechanism of the elliptical machine, wherein, the lifting frame is higher than the base.

The pedal lifting mechanism of the elliptical machine of the present invention adjusts the inclination angle by the up and down deflection of the lifting frame relative to the base, so that the movement track of the pedal can be changed to strengthen and exercise the leg muscles of different parts, and through the lifting The space configuration between the frame and the inclination adjusting device can effectively achieve the purpose of simplifying the structure and reducing the manufacturing cost.

Description of drawings

Fig. 1 is a perspective view of an elliptical machine applying a preferred embodiment of the present invention.

Fig. 2 is a perspective view of a preferred embodiment of the present invention.

Fig. 3 is a side view of an elliptical machine applying a preferred embodiment of the present invention, mainly showing the state that the lifting frame has not been lifted.

Fig. 4 is a partially enlarged view of Fig. 3, which mainly shows the state that the lifting frame has not been lifted.

Fig. 5 is a side view of an elliptical machine applying a preferred embodiment of the present invention, mainly showing the state after the lifting frame is lifted.

Fig. 6 is a partially enlarged view of Fig. 5, which mainly shows the state after the lifting frame is lifted.

Explanation of main component symbols in the attached drawings:

10 elliptical machine, 12 frame, 14 flywheel group, 16 pedal group, 18 handle, 20 pedal lifting mechanism, 30 base, 32 lugs, 40 lifting frame, 42 sliding tube, 44 fixed seat, 46 pivot tube, 50 slope adjustment device, 60 drive source, 70 drive rod, 72 screw rod, 74 sleeve, 80 bracket, 82 main rod body, 84 wheel shaft, 86 roller, G support surface.

Detailed ways

The pedal lifting mechanism of the present invention includes a base, a lifting frame, and an inclination adjusting device. The base is used to be erected on a support surface; the lifting frame is pivoted on the base with its rear end; the inclination adjustment device has a driving source, a driving rod, and a bracket, and the driving source is arranged on the There is a predetermined distance between the base and the front end of the lifting frame. The driving rod is connected to the driving source with its front end, and can be driven by the driving source to change the length. The bracket is pivotally connected to the front end of the lifting frame and The rear end of the driving rod can drive the lifting frame to swing up and down relative to the base as the length of the driving rod changes. Therefore, by adjusting the inclination angle by the vertical deflection of the lifting frame relative to the base, the movement trajectory of the pedals can be changed to strengthen and exercise the leg muscles in different parts, and through the connection between the lifting frame and the inclination adjustment device The space configuration among the space can more effectively achieve the purpose of simplifying the structure and reducing the manufacturing cost.

In the pedal lifting mechanism provided by the present invention, the lifting frame has two sliding tubes, a fixing base, and a pivot tube, the two sliding tubes are located on the left and right sides of the base, and the fixing base is fixed on the The front ends of the two sliding tubes are pivotally connected to the top of the bracket, and the pivoting tube is connected to the rear ends of the two sliding tubes and pivotally connected to the base at both ends.

In the pedal lifting mechanism provided by the present invention, the driving rod has a screw and a sleeve, one end of the screw is connected to the driving source, and can be driven by the driving source to rotate in situ, and the sleeve is screwed to The screw rod is pivotally connected with the bracket, and can be driven by the screw rod to move along the axial displacement of the screw rod to drive the bracket, so as to achieve the effect of changing the length of the driving rod.

In the pedal lifting mechanism provided by the present invention, the bracket has a main rod body, a wheel shaft, and two rollers, the main rod body is pivotally connected to the front end of the lifting frame and the rear end of the driving rod, and the wheel shaft is connected to At the bottom end of the main rod body, the two rollers are rotatably arranged at both ends of the wheel shaft, and are used to lean against the supporting surface to increase the stability of the structure.

In order to describe the structure, features and functions of the present invention in detail, a preferred embodiment is listed and described as follows in conjunction with the following drawings.

Please refer to Fig. 1, for applying the elliptical machine 10 of a preferred embodiment of the present invention, the elliptical machine 10 shown in the figure comprises a frame 12, a flywheel set 14, two pedal sets 16, and two handles 18, because The elliptical machine 10 is a well-known technology, and the structural relationship and action flow between the aforementioned components will not be repeated here. Please refer to FIG. 2 again, the pedal lifting mechanism 20 of a preferred embodiment of the present invention includes a base 30 , a lifting frame 40 , and an inclination adjusting device 50 .

The base 30 is used for erecting on a support surface G (such as the ground), and can be used for fixing the frame 12 of the elliptical machine 10 .

The lifting frame 40 has two sliding tubes 42 , a fixing base 44 , and a pivoting tube 46 . The two sliding tubes 42 are located on the left and right sides of the base 30, and are used for the pedal set 16 to be erected on it; the fixing base 44 is fixed on the front ends of the two sliding tubes 42 with its two ends; the pivoting tube 46 is connected to the two sliding tubes. The rear end and two ends of the tube 42 are respectively pivotally connected to an L-shaped lug 32 of the base 30 . Therefore, the lifting frame 40 will be higher than the base 30 after installation, as shown in FIG. 4 .

Please refer to FIG. 4 and FIG. 5, the inclination adjustment device 50 has a driving source 60, a driving rod 70, and a bracket 80, wherein the driving source 60 is fixed between the base 30 and the front end of the lifting frame 40 There is a predetermined distance; the drive rod 70 has a screw rod 72 and a sleeve 74, one end of the screw rod 72 is connected to the drive source 60, and can be driven by the drive source 60 to rotate in situ, and the sleeve 74 is screwed to the screw rod 72, which can be The driving of the screw rod 72 causes axial displacement along the screw rod 72; the bracket 80 has a main rod body 82, a wheel shaft 84, and two rollers 86, wherein the top end of the main rod body 82 is pivotally connected to the two sliding tubes of the lifting frame 40 The front end of 42, the rear end of the sleeve 74 that the middle section of main rod body 82 pivotally connects drive rod 70; Wheel shaft 84 is connected with the bottom end of main rod body 82; Rest against the support surface G to increase the stability of the structure.

When the user wants to change the movement trajectory of the pedal set 16, first start the drive source 60 to drive the screw 72 of the drive rod 70 to rotate in situ, and then the sleeve 74 of the drive rod 70 will be driven by the screw 72 to push the bracket backward. frame 80, forcing the bracket 80 to move steadily backward by the sliding of the rollers 86 along the support surface G, and synchronously push the lifting frame 40 during the movement, so that the sliding tube 42 of the lifting frame 40 is pivoted to the tube 46 The center of the axis is deflected upwards to form a predetermined angle with the support surface G, as shown in Figure 5 and Figure 6, so that the pedal set 16 will change with the lifting of the sliding tube 42 of the lifting frame 40 The angle of inclination allows the pedal set 16 to swing back and forth along different motion tracks when subjected to the stepping force of the user, so as to achieve the purpose of training leg muscles in different parts.

In summary, the pedal lifting mechanism 20 of the present invention is designed in such a way that the inclination adjustment device 50 and the lifting frame 40 are arranged in front and back, so that unnecessary components can be omitted and it is not easy to be limited by space to achieve a simplified structure, For the purpose of easy assembly and low manufacturing cost, the pedal set 16 can also be adjusted to an appropriate inclination angle according to the needs of users during use, so as to achieve the purpose of training specific muscles.

Claims (5)

1. A pedal lifting mechanism of an elliptical machine, comprising: a base for erecting on a supporting surface; a lifting frame pivotally mounted on the base with its rear end; and An inclination adjustment device has a driving source, a driving rod, and a bracket. The driving source is arranged on the base and has a predetermined distance from the front end of the lifting frame. The driving rod is connected to the The driving source can be driven by the driving source to change its length. The bracket is pivotally connected to the front end of the lifting frame and the rear end of the driving rod, and can drive the lifting frame relative to the driving rod as the length of the driving rod changes. The base swings up and down. 2. The pedal lifting mechanism of the elliptical machine according to claim 1, wherein the lifting frame has two sliding tubes, a fixed seat, and a pivot tube, and the two sliding tubes are located on the left and right sides of the base, The fixing base is fixed on the front ends of the two sliding tubes and is pivotally connected to the top of the bracket. The pivoting tube is connected to the rear ends of the two sliding tubes and is pivotally connected to the base with its two ends. 3. The pedal lifting mechanism of the elliptical machine according to claim 1, wherein the driving rod has a screw and a sleeve, one end of the screw is connected to the driving source, and can be driven by the driving source to rotate in situ, The sleeve is screwed to the screw rod and pivotally connected to the bracket, and can be driven by the screw rod to displace along the axial direction of the screw rod to drive the bracket. 4. The pedal lifting mechanism of the elliptical machine according to claim 1, wherein the bracket has a main rod body, a wheel axle, and two rollers, and the main rod body is pivotally connected to the front end of the lifting frame and the rear of the driving rod end, the wheel shaft is connected to the bottom end of the main rod body, and the two rollers are rotatably arranged at both ends of the wheel shaft to lean against the supporting surface. 5. The pedal lifting mechanism of the elliptical machine according to claim 1, wherein the lifting frame is higher than the base.

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