Elliptical machine with adjustable step pitch

Abstract

The utility model provides an elliptical machine with an adjustable step pitch. The elliptical machine comprises a machine frame, a flywheel assembly fixedly arranged on the machine frame and two swing assemblies symmetrically arranged on the two sides of the machine frame. The swing assembly comprises a swing arm rod rotationally connected to the machine frame and a pedal rod hinged to the swing arm rod, a crank is connected to a driving wheel rotating shaft of the flywheel assembly, the free end of the crank is connected with an extension rod used for prolonging the length of the crank, and a plurality of installation holes evenly distributed in the length direction of the extension rod at intervals are formed in the extension rod. And the free end of the foot rest lever is rotatably connected to one of the mounting holes. The step pitch of the elliptical machine is adjusted by adjusting the free end of the foot rest lever to be connected to different mounting holes, so that the elliptical machine is suitable for users with different step pitches, and the use experience of the users is improved.

Description

Technical Field

[0001] This utility model relates to the field of fitness equipment technology, specifically to an elliptical machine with adjustable stride length. Background Technology

[0002] Elliptical trainers, also known as space walkers, are popular among fitness enthusiasts as exercise equipment for cardiovascular training. They combine arm and leg movements, guiding the user's feet in a near-elliptical closed trajectory. Regular use can improve limb coordination, build body shape, enhance endurance, improve cardiovascular function, promote mental well-being, and improve athletic performance, while also minimizing stress on joints.

[0003] Because different users have different heights and body types, their stride lengths also vary accordingly. However, the stride lengths of elliptical machines currently on the market are fixed. For some users with larger or smaller strides, the exercise is not smooth and seriously affects the user's exercise experience. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide an elliptical machine that can adjust the step size according to user needs.

[0005] The technical solution of this utility model is to provide an adjustable step length elliptical machine with the following structure: including a frame, a flywheel assembly fixedly mounted on the frame, and two swing assemblies symmetrically arranged on both sides of the frame; the swing assembly includes a swing arm rod rotatably connected to the frame, and a foot pedal rod hinged to the swing arm rod; a crank is connected to the drive wheel shaft of the flywheel assembly, and an extension rod for extending the length of the crank is connected to the free end of the crank; the extension rod is provided with a plurality of mounting holes evenly spaced along its length direction, and the free end of the foot pedal rod is rotatably connected to one of the mounting holes.

[0006] By adopting the above structure, the elliptical machine of this invention has the following advantages compared with the prior art:

[0007] This invention connects an extension rod to the end of the crank and provides several mounting holes on the extension rod. By adjusting the free end of the foot pedal to connect to different mounting holes, the step size of the elliptical machine can be adjusted, thereby adapting to users with different step sizes and improving the user experience.

[0008] Preferably, one end of the extension rod is connected to the free end of the crank via a connector, and the extension rod is arranged parallel to the crank. The free end of the crank has a connection hole; by connecting the extension rod to the connection hole of the crank via the connector, there is no need to redesign the crank mold, thus reducing processing costs.

[0009] Preferably, the end of the foot pedal away from the swing arm is connected to a bearing, and a connecting shaft is rotatably connected to the bearing. The connecting shaft extends axially toward one end of the extension rod and is detachably connected to one of the mounting holes. The connecting shaft can be a connecting bolt, with the connecting end of the bolt passing through the mounting hole and connecting to the bearing, which makes disassembly and assembly easier when changing the installation position.

[0010] Preferably, the flywheel assembly further includes a flywheel, and the drive wheel is connected to the flywheel via a belt drive. A resistance adjustment component is also installed next to the flywheel, which can control the resistance during flywheel rotation.

[0011] Preferably, the swing assembly also includes a swing handle connected to the top of the swing arm for the user to hold with both hands.

[0012] Preferably, the frame is equipped with a fixed handle and a display screen, the display screen being used to display user motion data. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a partial structural schematic diagram of the present invention.

[0015] Figure 3 This is a schematic diagram of the flywheel assembly and extension rod in this utility model.

[0016] Figure 4 This is a schematic diagram of the extension rod in this utility model.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Frame; 11. Fixed handle; 12. Display screen; 2. Flywheel assembly; 21. Drive wheel; 22. Crank; 23. Flywheel; 3. Swing assembly; 31. Swing arm; 32. Foot pedal; 321. Bearing; 33. Swing handle; 4. Extension rod; 41. Mounting hole; 42. Connector. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. At the same time, the terms "first", "second", etc., are only used to distinguish the names of various components and do not have a primary or secondary relationship. Therefore, they should not be construed as limitations on this utility model.

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown;

[0022] This utility model discloses an adjustable step length elliptical machine: including a frame 1, a flywheel assembly 2 fixedly mounted on the frame 1, and two swing assemblies 3 symmetrically mounted on both sides of the frame 1.

[0023] The swing assembly 3 includes a swing arm 31 rotatably connected to the frame 1 and a foot pedal 32 hinged to the swing arm 31; the flywheel assembly 2 includes a drive wheel 21 and a flywheel 23 rotatably connected to the frame 1, the drive wheel 21 and the flywheel 23 being connected by a belt drive; a crank 22 is connected to the shaft of the drive wheel 21, and an extension rod 4 for extending the length of the crank 22 is connected to the free end of the crank 22. The extension rod 4 is provided with a plurality of mounting holes 41 evenly spaced along its length direction, and the free end of the foot pedal 32 is rotatably connected to one of the mounting holes 41.

[0024] This invention connects an extension rod 4 to the end of the crank 22 and provides several mounting holes 41 on the extension rod 4. By adjusting the free end of the foot pedal 32 to connect to different mounting holes 41, the step size of the elliptical machine can be adjusted, thereby adapting to users with different step sizes and improving the user experience.

[0025] One end of the extension rod 4 is connected to the free end of the crank 22 via a connector 42, and the extension rod 4 is arranged parallel to the crank 22. The free end of the crank 22 of the existing elliptical machine originally has a connection hole. The extension rod 4 is connected to the connection hole of the crank 22 via the connector 42 (the extension rod 4 is axially limited to the connection hole), which eliminates the need to redesign the mold of the crank 22 and reduces processing costs.

[0026] The foot pedal 32 is connected to a bearing 321 at the end away from the swing arm 31. A connecting shaft is rotatably connected to the bearing 321. The connecting shaft extends axially toward one end of the extension rod 4 and is detachably connected to one of the mounting holes 41.

[0027] The connecting shaft can be a connecting bolt. The connecting end of the connecting bolt passes through the mounting hole 41 and is connected to the bearing 321, so that the foot pedal 32 is rotatably connected to the extension rod 4. With this setting, it is easier to disassemble and assemble when changing the installation position.

[0028] A resistance adjustment component is also installed next to the flywheel 23, which can control the resistance when the flywheel 23 rotates. The resistance adjustment component can be an electromagnet, and the magnetic force of the electromagnet can be adjusted by adjusting the current, thereby adjusting the resistance of the flywheel 23; the resistance adjustment component can also be a permanent magnet, and the resistance of the flywheel 23 can also be adjusted by adjusting the distance between the permanent magnet and the flywheel 23. This is existing technology and will not be described in detail here.

[0029] The swing assembly 3 also includes a swing handle 33 attached to the top of the swing arm 31 for the user to hold with both hands.

[0030] The frame 1 is equipped with a fixed handle 11 and a display screen 12; the addition of the fixed handle 11 makes it convenient for users with different needs to choose, while the display screen 12 can display the user's exercise data, making it convenient for the user to understand the exercise situation.

[0031] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An adjustable stride elliptical machine characterized by: The utility model relates to a kind of exercise equipment, including rack (1), flywheel assembly (2) fixedly arranged on rack (1) and two symmetrical swing assembly (3) arranged on both sides of rack (1);The swing assembly (3) includes swing arm rod (31) rotationally connected on rack (1), and foot pedal rod (32) hinged with swing arm rod (31), the driving wheel (21) rotation axis of flywheel assembly (2) is connected with crank (22), the free end of the crank (22) is connected with the extension rod (4) for extending the length of crank (22), the extension rod (4) is equipped with several installation holes (41) evenly spaced along its length direction, the free end of the foot pedal rod (32) is rotatably connected in one of installation holes (41).

2. The stride-adjustable elliptical machine of claim 1, wherein: One end of the extension rod (4) is connected with the free end of the crank (22) by connecting piece (42), and the extension rod (4) is arranged in parallel with the crank (22).

3. The stride-adjustable elliptical machine of claim 2, wherein: The end of the foot pedal rod (32) away from the swing arm rod (31) is connected with bearing (321), the bearing (321) is rotatably connected with connecting shaft, the connecting shaft extends axially towards one end of the extension rod (4), and is detachably connected in one of installation holes (41).

4. The stride-adjustable elliptical machine of claim 1, wherein: The flywheel assembly (2) further includes flywheel (23), and the driving wheel (21) is connected with flywheel (23) by belt drive.

5. The stride-adjustable elliptical machine of claim 1, wherein: The swing assembly (3) further includes swing handle (33) connected to the top of the swing arm rod (31), for holding by user's both hands.

6. The stride-adjustable elliptical machine of claim 1, wherein: The rack (1) is provided with fixed handle (11) and display screen (12), and the display screen (12) is used to display user exercise data.

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