Sliding structure on elliptical machine

Abstract

The utility model discloses a sliding structure on an elliptical machine, and relates to the technical field of elliptical machines, the elliptical machine comprises a rack, a damper arranged at the rear end of the rack and provided with central shafts arranged on the left side and the right side, and two groups of linkage rod devices respectively arranged on the left side and the right side of the rack, the linkage rod device comprises a supporting rod set and a foot rest lever, the supporting rod set is pivoted to the rack, the upper end of the supporting rod set is used for starting hands, the lower end of the supporting rod set is pivoted to the foot rest lever, the rear end of the foot rest lever is eccentrically arranged on the damper, and the front end of the foot rest lever is connected to the rack in a front-back sliding mode. And the distance between the sliding path of the front end of the foot rest lever on the left side of the rack and the sliding path of the front end of the foot rest lever on the right side of the rack is gradually reduced from the rear end to the front end. According to the utility model, the risk that the leg shape of a user gradually changes to an O-shaped leg after long-term use is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of elliptical machines, in particular to a sliding structure on an elliptical machine. Background Art

[0002] When the current elliptical machine is in use, the footrests on the left and right sides of the frame move back and forth, and their movement trajectories do not approach each other, resulting in the risk of the user's legs gradually changing into O-shaped legs after long-term use. Utility Model Content

[0003] The purpose of the utility model is to provide a sliding structure on an elliptical machine to overcome the above-mentioned defects and avoid the risk of the user's legs becoming O-shaped after long-term use.

[0004] In order to achieve the above objectives, the solution of the present invention is:

[0005] The invention discloses a sliding structure on an elliptical machine, which includes a frame and a damper. The damper is arranged at the rear end of the frame, and the damper has a central axis arranged on the left and right sides. The elliptical machine also includes a linkage rod device, and two groups of linkage rod devices are respectively arranged on the left and right sides of the frame. The linkage rod device includes a support rod group and a pedal rod. The support rod group is pivotally connected to the frame, the upper end of the support rod group is used for the hand, and the lower end thereof is pivotally connected to the pedal rod. The rear end of the pedal rod is eccentrically arranged on the damper, and the front end of the pedal rod is connected to the frame for forward and backward sliding. The sliding path of the front end of the foot rod on the left side of the frame and the sliding path of the front end of the foot rod on the right side of the frame are such that the distance between the two gradually decreases from the rear end to the front end.

[0006] Furthermore, a track structure is provided on the frame, which extends forward and backward, and arc-shaped track grooves extending forward and backward are provided on both sides of the left and right sides of the track structure, and the spacing between the two track grooves gradually decreases from the rear end to the front end. When the track structure is installed on the frame, the two track grooves are respectively located on the left and right sides of the frame, and pulleys are provided at the front ends of the foot pedals on the left side of the frame. The pulley of the foot pedal on the left side of the frame slides forward and backward along the track groove on the left side of the frame, and the pulley of the foot pedal on the right side of the frame slides forward and backward along the track groove on the right side of the frame.

[0007] Furthermore, the track structure is arc-shaped, with the curved concave portion facing upward. When the track structure is installed on the frame, the rear end of the track groove is the lowest point of the pulley sliding, and the extreme position where the pulley can slide toward the front end of the track groove is the highest point of the pulley sliding.

[0008] Furthermore, an arc-shaped plate is formed between the two track grooves. The plate is used to be fixed on the frame, and its width gradually decreases from the rear end to the front end of the plate.

[0009] Furthermore, the support rod group includes a support rod and a connecting rod. The middle part of the support rod is pivotally connected to the frame. The upper end of the support rod is used for holding, and its lower end extends downward. The connecting rod is extended forward and backward, its front end is pivotally connected to the lower end of the support rod, and its rear end is pivotally connected to the middle part of the pedal rod.

[0010] Furthermore, a pedal for stepping is provided on the pedal rod.

[0011] Furthermore, the pedal rod performs an up and down circular motion driven by an external force.

[0012] Furthermore, the up and down cyclic movements of the pedal bars on the left and right sides of the frame are staggered.

[0013] After adopting the above solution, the beneficial effects of the utility model are:

[0014] The utility model is configured such that the front end of the foot valve is connected to the frame in a forward and backward sliding manner, and the distance between the sliding path of the front end of the foot rod on the left side of the frame and the sliding path of the front end of the foot rod on the right side of the frame gradually decreases from the rear end to the front end. When the user steps on the foot rod on the left side of the frame, the left foot rod moves forward and gradually deviates to the right. When the user steps on the foot rod on the right side of the frame, the right foot rod moves forward and gradually deviates to the left. This avoids the risk of the user's leg shape gradually changing to O-shaped legs after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the track structure of the present utility model.

[0017] Explanation of reference numerals: 10, frame; 20, damper; 30, linkage rod device; 31, support rod group; 311, support rod; 312, connecting rod; 32, pedal rod; 321, pulley; 322, pedal; 40, track structure; 41, track groove; 42, plate. DETAILED DESCRIPTION

[0018] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] like Figures 1 to 2As shown, the utility model provides a sliding structure on an elliptical machine, which includes a frame 10, a damper 20, and the damper 20 is arranged at the rear end of the frame 10. The damper 20 has a central axis arranged on the left and right sides. It also includes a linkage rod device 30, and two groups of linkage rod devices 30 are respectively arranged on the left and right sides of the frame 10. The linkage rod device 30 includes a support rod group 31 and a foot rod 32. The support rod group 31 is pivotally connected to the frame 10. The upper end of the support rod group 31 is used for holding, and the lower end thereof is pivotally connected to the foot rod 32. The rear end of the foot rod 32 is eccentrically arranged on the damper 20, and the front end thereof is connected to the frame 10 for sliding back and forth, and the sliding path of the front end of the foot rod 32 on the left side of the frame 10 and the sliding path of the front end of the foot rod 32 on the right side of the frame 10 are gradually reduced in distance from the rear end to the front end.

[0020] Specifically, when the user of the present invention steps on the footrest rod 32 on the left side of the frame 10, the left footrest rod 32 moves forward and gradually deviates to the right. When the user steps on the footrest rod 32 on the right side of the frame 10, the right footrest rod 32 moves forward and gradually deviates to the left. Even with long-term use, the risk of the user's leg shape gradually changing to O-shaped legs can be avoided.

[0021] Preferably, Figure 2 As shown, a track structure 40 is provided on the frame 10, and the track structure 40 extends forward and backward. The left and right sides of the track structure 40 are provided with arc-shaped track grooves 41 extending forward and backward. The spacing between the two track grooves 41 gradually decreases from the rear end to the front end. When the track structure 40 is installed on the frame 10, the two track grooves 41 are respectively located on the left and right sides of the frame 10. The front ends of the pedal rods 32 on the left and right sides of the frame 10 are provided with pulleys 321. The pulley 321 of the pedal rod 32 on the left side of the frame 10 is along the frame The track groove 41 on the left side of the frame 10 slides back and forth, and the pulley 321 of the pedal rod 32 on the right side of the frame 10 slides back and forth along the track groove 41 on the right side of the frame 10, so that when the user steps on the pedal rod 32 on the left side of the frame 10, the pulley 321 at the front end of the left pedal rod 32 slides forward in the track groove 41 and gradually deviates to the right. When the user steps on the pedal rod 32 on the right side of the frame 10, the pulley 321 at the front end of the right pedal rod 32 slides forward in the track groove 41 and gradually deviates to the left.

[0022] Specifically, the pulley 321 at the front end of the pedal rod 32 on the left side of the frame 10 gradually deviates to the right while sliding forward in the track groove 41, that is, takes an inclined route, and the rear end of the pedal rod 32 on the left side of the frame 10 is pivotally connected to the damper 20, and at the pivotal joint, the rear end of the pedal rod 32 can swing left and right relative to the damper 20, that is, it can adapt to the inclined route taken by the pulley 321, so that when the pedal rod 32 on the left side of the frame 10 moves forward, it also gradually tilts and swings to the right. Similarly, the machine The pulley 321 at the front end of the footrest rod 32 on the right side of the frame 10 deviates to the left while sliding forward, that is, takes an inclined route, and the rear end of the footrest rod 32 on the right side of the frame 10 is pivotally connected to the damper 20, and at the pivotal joint, the rear end of the footrest rod 32 can swing left and right relative to the damper 20, that is, it can adapt to the inclined route of the pulley 321, so that when the footrest rod 32 on the right side of the frame 10 moves forward, it also gradually tilts and swings to the left to adapt to the inclined route taken by the pulley 321.

[0023] Specifically, the track structure 40 is arc-shaped, with the curved concave portion facing upward. When the track structure 40 is installed on the frame 10, the rear end of the track groove 41 is the lowest point of the slide of the pulley 321, and the extreme position where the pulley 321 can slide toward the front end of the track groove 41 is the highest point of the slide of the pulley 321.

[0024] Furthermore, an arc-shaped plate 42 is formed between the two track grooves 41. The plate 42 is used to be fixed on the frame 10, and its width gradually decreases from the rear end to the front end of the plate 42. Specifically, the arc-shaped plate 42 has the same curvature as the arc-shaped track groove 41, and the cross-section of the arc-shaped plate 42 and the track grooves 41 on both sides is in the shape of a "J".

[0025] When the cam 312 is in the upright position, the lever 314 is in the upright position and the lever 316 is in the upright position, so that the cam 312 can be rotated to rotate with the lever 314 to rotate.

[0026] Furthermore, a pedal 322 for stepping is provided on the pedal rod 32; further, the pedal rod 32 performs an up and down cyclic motion under the drive of an external force; further, the up and down cyclic motions of the pedal rods 32 on the left and right sides of the frame 10 are staggered with each other.

[0027] To further illustrate various embodiments, the present invention is provided with accompanying drawings. These drawings form part of the present disclosure and are primarily used to illustrate the embodiments and, in conjunction with the relevant description in the specification, to explain the operating principles of the embodiments. By referring to these drawings, one of ordinary skill in the art will understand other possible embodiments and the advantages of the present invention. The components in the figures are not drawn to scale, and similar reference numerals are generally used to represent similar components.

[0028] At the same time, the directions such as front, back, left, and right involved in this embodiment are only used as a reference for directions and do not represent directions in actual use. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the design of this case. Any equivalent changes made based on the key design of this case shall fall within the scope of protection of this case.

Claims

1. A sliding structure on an elliptical machine, the elliptical machine comprising a frame and a damper, wherein the damper is disposed at the rear end of the frame and has a central axis disposed left and right, characterized in that: The jogging pedestal further comprises a linkage rod device, wherein the two linkage rod devices are respectively arranged on the left and right sides of the frame, the linkage rod device comprises a support rod group and a pedal rod, the support rod group is pivotally connected to the frame, the upper end of the support rod group is used for the hand, and the lower end thereof is pivotally connected to the pedal rod, the rear end of the pedal rod is eccentrically arranged on the damper, the front end of the pedal rod is connected to the frame for sliding back and forth, and the sliding path of the front end of the foot rod on the left side of the frame and the sliding path of the front end of the foot rod on the right side of the frame, the distance between the two gradually decreases from the rear end to the front end.

2. The sliding structure on an elliptical machine according to claim 1, characterized in that: A track structure is provided on the frame, which extends forward and backward. Arc-shaped track grooves extending forward and backward are provided on both sides of the left and right sides of the track structure. The spacing between the two track grooves gradually decreases from the rear end to the front end. When the track structure is installed on the frame, the two track grooves are respectively located on the left and right sides of the frame. Pullies are provided at the front ends of the pedal rods on the left and right sides of the frame. The pulley of the pedal rod on the left side of the frame slides forward and backward along the track groove on the left side of the frame, and the pulley of the pedal rod on the right side of the frame slides forward and backward along the track groove on the right side of the frame.

3. The sliding structure on the elliptical machine according to claim 2, characterized in that: The track structure is arc-shaped with its curved concave portion facing upward. When the track structure is installed on the frame, the rear end of the track groove is the lowest point of the pulley sliding, and the extreme position where the pulley can slide toward the front end of the track groove is the highest point of the pulley sliding.

4. The sliding structure on an elliptical machine according to claim 2, characterized in that: An arc-shaped plate is formed between the two track grooves. The plate is used to be fixed on the frame. From the rear end to the front end of the plate, Its width gradually decreases.

5. The sliding structure on the elliptical machine according to claim 1, characterized in that: The support rod group includes a support rod and a connecting rod. The middle part of the support rod is pivotally connected to the frame. The upper end of the support rod is used for handling and its lower end extends downward. The connecting rod is extended forward and backward, its front end is pivotally connected to the lower end of the support rod, and its rear end is pivotally connected to the middle part of the pedal rod.

6. The sliding structure of an elliptical machine according to claim 1, characterized in that: The pedal rod is provided with a pedal for stepping on.

7. The sliding structure of an elliptical machine according to claim 1, characterized in that: The pedal rod performs up and down circular motion driven by external force.

8. The sliding structure of an elliptical machine according to claim 7, characterized in that: The up and down cyclic movements between the footrests on the left and right sides of the frame are staggered.

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