Stepping machine

By installing a resistance source mechanism on the upright and connecting it to the foot pedal frame, the problems of large footprint and unoptimized response path of the resistance source layout of the stepper are solved, achieving a compact structure and adjustable resistance, thus improving the applicability of the equipment and the training effect.

CN223901164UActive Publication Date: 2026-02-13IMPULSE QINGDAO HEALTH TECH
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Patent Information

Application Number
CN202520119862.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-02-13
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

The existing stepper's resistance source layout is coplanar with the foot pedal support, which takes up a large area, limits the applicability and flexibility of the equipment, and the resistance source response path is not optimized, affecting the adjustment of exercise load.

Method used

The resistance source mechanism is mounted on the upright and connected to the pedal frame. It is located inside the pedal frame's movement plane and uses a pneumatic or motor-driven resistance unit. The parallelogram structure transmission bracket and linkage bracket ensure smooth resistance transmission. Combined with an adjustable base and display module, it can adapt to the needs of different users.

Benefits of technology

This design achieves a compact stepper structure, reduces lateral space occupation, improves equipment applicability, provides adjustable resistance, enhances exercise intensity, and improves transmission efficiency and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a stepping machine, which comprises a main frame and a support frame fixedly arranged on the main frame, and further comprises a vertical frame vertically arranged on the main frame and arranged behind the support frame; the two pedal frames are arranged on the vertical frame; the resistance source mechanism is installed on the vertical frame, is in transmission connection with the two pedal frames and provides resistance for the stepping movement of a user, so that the exercise intensity is enhanced, the resistance source mechanism is located in a space formed by a movement plane where the two pedal frames are located, and the movement plane where the pedal frames are located is the plane where the pedal frames are located in the reciprocating movement process. And the structure of the stepping machine is more compact.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to body -building apparatus technical field, especially relate to a cross -step machine. BACKGROUND

[0002] Cross -step machine is the body -building apparatus using resistance training leg muscle, including thigh, shank and hip muscle etc., is not affected by inertia in the process of movement, using specific resistance source provides load, can keep resistance in whole process to accord with a certain specific curve. No matter the trainee carries out cross -step movement with what speed, the equipment can provide specific resistance curve, thereby more effectively exercises lower limb muscle group, especially quadriceps femoris, hamstrings and hip muscle etc. Key position.

[0003] In prior art, because need to install resistance source, the structure design of cross -step machine needs to connect resistance source and foot pedal support together, such as air cylinder, motor, the prior art is to connect resistance source behind foot pedal support, the layout in the same plane. This layout needs to reserve additional space for the equipment to accommodate the length and operation range of corresponding module, the installation position of resistance source will directly affect the overall floor area and use configuration of the equipment, so that the equipment can only adapt to the space layout of specific direction or shape, for example, some places with smaller space or dense training equipment, there is a problem of needing to adjust the layout of fitness venue, increase the economic cost of user's reconstruction site, which is not conducive to the promotion of the equipment.

[0004] In addition, the layout of resistance source is coplanar with the foot pedal support, and the foot pedal support needs to bear a large reaction force, which limits the optimization of the response path of the resistance source system and reduces the flexible adjustment of the movement load. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the related art, the utility model provides a cross -step machine to realize a cross -step machine structure which is safe and convenient to arrange.

[0006] To achieve the above object, the utility model provides a cross -step machine, including main frame and support frame fixedly arranged on the main frame, the cross -step machine further includes:

[0007] Stand, vertically arranged on the main frame and arranged behind the support frame;

[0008] Two foot pedal supports, arranged on the stand, for users to step on and perform cross -step movement;

[0009] Resistance source mechanism, installed on the stand and drivingly connected to the two foot pedal supports, the resistance source mechanism is located inside the space formed by the movement plane of the two foot pedal supports, and the movement plane of the foot pedal support is the plane where the foot pedal support is located during reciprocating movement, so that the structure of the cross -step machine is more compact.

[0010] In some embodiments, a horizontal support is arranged on the stand, and the first end of the pedal frame is rotatably arranged at the two ends of the horizontal support, and the second end of the pedal frame is provided with a pedal plate.

[0011] In some embodiments, the resistance source mechanism further comprises:

[0012] A resistance generating unit is arranged at the top of the stand;

[0013] Two resistance transmission units are respectively connected to the resistance generating unit and drivingly connected to the two pedal frames.

[0014] In some embodiments, the resistance generating unit is two air resistance units or two motor resistance units, which are suspended and hinged at the top of the stand, and the output shafts thereof are respectively connected to one of the resistance transmission units.

[0015] In some embodiments, the resistance transmission unit further comprises:

[0016] A transmission support is connected to the output shaft at the first end and rotatably arranged on the stand at the second end;

[0017] A linkage support is connected to the transmission support at the first end through a connecting rod and fixedly connected to the first end of the pedal frame at the second end, and synchronously moves with the pedal frame.

[0018] In some embodiments, the straight line of the first pivot point of the first end of the transmission support and the second pivot point thereof on the stand is parallel to the straight line of the third pivot point of the first end of the linkage support and the fourth pivot point thereof on the stand, and the transmission support, the linkage support, the connecting rod and a part of the stand form a parallelogram.

[0019] In some embodiments, the resistance source mechanism is installed in a closed housing, which provides an attractive and closed working environment for the resistance source mechanism.

[0020] In some embodiments, the air resistance unit comprises an air cylinder, and an expansion air bag is arranged in the closed housing and directly connected to the air cylinder to adjust a specific resistance curve and improve the output force of the air cylinder.

[0021] In some embodiments, the support frame comprises:

[0022] A support is fixedly arranged on the main frame and extends upward at a certain angle with the main frame;

[0023] A base is fixedly arranged on the support and connected to the support in an adjustable height manner;

[0024] A prone frame is arranged on the support.

[0025] In some embodiments, the base is arranged as a shell sleeved on the support, and a contact surface of the shell is provided with a pulley for sliding along the support, and the shell is further provided with a latch, which is inserted into a plurality of latch holes on the support in a fastened state.

[0026] In some embodiments, the prone support frame at least comprises:

[0027] A first support frame is arranged on the support and parallel to the support, and is used for supporting the chest and abdomen when prone;

[0028] Two second support frames are arranged on both sides of the support and perpendicular to the support, and the two support frames are located above the first support frame and are used for supporting the shoulders when prone, and the first support frame and the two second support frames are both provided with support pads.

[0029] In some embodiments, the upper end of the support is provided with a display module, which is a display screen, and is used for displaying exercise data, providing fitness guidance, enhancing interactivity and visual experience, etc., and can further include a camera, a speaker, and auxiliary components such as light, sensor, processor, etc.

[0030] Based on the above technical solutions, the stepping machine in the embodiment of the utility model can make the overall structure of the stepping machine more compact through the layout design of the stand, the pedal frame and the resistance source mechanism, fully utilize the vertical space, reduce the occupation of the horizontal space, and improve the applicability of the equipment application scene; through the resistance source mechanism, adjustable resistance can be provided for the stepping movement of the user, so as to enhance the exercise intensity; through the design of the resistance transmission unit, the transmission of the resistance is more stable and uniform, and the transmission efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the present application. The schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute an improper limitation on the utility model. In the drawings:

[0032] Figure 1 It is a structural schematic view of one embodiment of the stepping machine of the utility model;

[0033] Figure 2 It is a structural schematic view of one embodiment of the stepping machine of the utility model after removing the shell;

[0034] Figure 3 It is a side view structural schematic view of the utility model; Figure 2

[0035] Figure 4 It is another angle structural schematic view of the utility model; Figure 2

[0036] ​​Figure 5 Figure is a use state schematic view of an embodiment of the step machine.

[0037] In the figure:

[0038] 1, main frame; 2, support frame; 3, stand; 4, foot pedal frame; 5, resistance source mechanism;

[0039] 21, support; 22, base; 23, prone frame; 24, pulley; 25, bolt;

[0040] 26, bolt hole; 27, display module;

[0041] 231, first support frame; 232, second support frame;

[0042] 31, horizontal support; 51, air resistance unit;

[0043] 52, transmission support; 53, linkage support; 54, connecting rod;

[0044] A, first pivot point; B, second pivot point; C, third pivot point; D, fourth pivot point. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0046] In the description of the present application, it should be understood that the terms "center", "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0047] The terms "first", "second", "third" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", "third" can explicitly or implicitly include one or more of the features.

[0048] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be direct connection, also can be indirectly connected through intermediate medium, it can be two elements inside the communication, for the ordinary skill in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0049] Reference Figures 1 to 5 As shown in the utility model step machine one illustrative embodiment, including main frame 1 and fixedly arranged on the support frame 2 of main frame 1, provide stable support for step machine, step machine further includes: set up on the main frame 1 stand 3, two foot pedal frame 4 and resistance source mechanism 5, resistance source mechanism 5 is installed in a closed housing, provides an attractive, closed working environment for resistance source mechanism 5, can effectively prevent dust, moisture, foreign matter and other external impurities into the mechanism inside, thereby avoiding the wear and tear, corrosion or damage to the internal components of the mechanism.

[0050] Wherein, stand 3 is arranged at the back of support frame 2, for foot pedal frame 4 and resistance source mechanism 5 provide installation and support base, two foot pedal frame 4 is arranged at the two sides of stand 3, stand 3 is provided with horizontal support 31, the two ends of horizontal support 31 are provided with rotating shafts, so as to install two foot pedal frame 4, for the user to tread, in the process of movement, one leg is kicked out backward, drive the corresponding swing frame to swing backward, the other leg is lifted high and strides forward, drive the corresponding foot pedal frame to swing forward, form the empty stride posture, two legs alternate cycle stride movement, stand 3 is not limited to be arranged as single stand or multiple stand combination use;

[0051] Wherein, resistance source mechanism 5 is installed on stand 3, and is drivingly connected with two foot pedal frame 4, to provide resistance for the stride movement of the user, thereby enhancing the exercise intensity, resistance source mechanism 5 is located inside the space formed by the movement plane of two foot pedal frame 4, and the movement plane of foot pedal frame 4 is the plane where foot pedal frame 4 is located in the reciprocating movement process, so that the structure of step machine is more compact.

[0052] Resistance source mechanism 5 further includes: resistance generating unit and two resistance transmission units, the resistance generating unit is arranged at the top of stand 3, the resistance generating unit is two air resistance units 51 or two motor resistance units, is suspendedly hinged to the top of stand 3, and the output shafts thereof are connected with a resistance transmission unit respectively, two resistance transmission units are connected with the resistance generating unit and drivingly connected with two foot pedal frame 4 respectively, the air resistance unit 51 includes a cylinder, the expansion gas bag of the cylinder is arranged in the closed housing, is directly connected with the cylinder, to adjust the specific resistance curve, improve the output force of the cylinder, and the air resistance unit 51 or the motor resistance unit can be connected with an external power supply or a controller through the stand.

[0053] Overall, the embodiment sets the resistance source mechanism 5 at the rear upper part of the cross-step machine, which can make full use of the vertical space, reduce the horizontal space occupation, make the overall structure of the cross-step machine more compact, and the application scenario of the equipment more applicable.

[0054] In combination Figure 2 As shown, the first end of the pedal frame 4 is rotatably arranged at both ends of the horizontal support 31, and the second end of the pedal frame 4 is provided with a foot pedal 41, and the foot pedal is further provided with a foot fixing belt.

[0055] In the above embodiment, based on the horizontal support 31, the two pedal frames 4 can rotate reciprocatingly around the rotation shaft, simulate the stepping action, provide stable support and movement basis for the pedal frame 4, and ensure the stability and safety of the pedal frame 4 during movement.

[0056] In the above embodiment, referring to Figure 2 As shown, the resistance transmission unit further comprises a transmission support 52 and a linkage support 53, wherein the transmission support 52 is connected to the output shaft at the first end and is rotatably arranged at the stand 3 at the second end; the first end of the linkage support 53 is connected to the transmission support 52 through a connecting rod 54, and referring to Figure 3 As shown, the first end of the linkage support 53 can be connected at any position other than the second end of the transmission support 52, including the first end or the frame body thereof, and the second end is fixedly connected to the first end of the pedal frame 4 and moves synchronously with the pedal frame 4, as shown in Figure 5 As shown, the first end of the pedal frame 4 is connected to the bottom of the horizontal support 31 through a rotating shaft, and the second end of the linkage support 53 is directly fixed to the rotating shaft, so as to ensure the synchronous movement between the linkage support 53 and the pedal frame 4, so that the resistance can be smoothly transmitted to the pedal frame 4.

[0057] Based on the above structure, the resistance generation unit transmits the force to the pedal frame 4 through the resistance transmission unit, and the resistance transmission unit makes the transmission of resistance more stable and uniform, avoiding the movement injury caused by sudden change of resistance. By adjusting the output of the resistance generation unit, the difficulty of stepping exercise can be easily adjusted to meet the exercise needs of different users.

[0058] In another embodiment, referring to Figure 3 As shown, the straight line of the first pivot joint A of the first end of the transmission support 52 and the second pivot joint B thereof on the stand 3 is parallel to the straight line of the third pivot joint C of the first end of the linkage support 53 and the connecting rod 54 and the fourth pivot joint D of the linkage support 53 on the stand 3, and the transmission support 52, the linkage support 53, the connecting rod 54 and a part of the stand 3 form a parallelogram.

[0059] Based on the above structure, this embodiment uses a parallelogram to constrain the positions of the transmission bracket 52, linkage bracket 53, connecting rod 54 and the upright 3, so that they remain relatively parallel during the movement. This ensures that the movement of the cylinder output shaft is accurately and efficiently transmitted to the foot pedal bracket, reduces movement errors caused by bending and deformation of the rods, improves transmission efficiency, and makes the movement of the foot pedal bracket smoother. This can significantly improve the stability, movement consistency and reliability of the mechanism.

[0060] refer to Figure 2 As shown in the above embodiment, the support frame 2 includes: a bracket 21, a base 22, and a prone frame 23. The bracket 21 is fixedly mounted on the main frame 1 and extends upward at a certain angle to the main frame 1. The base 22 is fixedly mounted on the bracket 21 and connected to the bracket 21 in an adjustable height manner, so that the stepper can adapt to the needs of different heights and users, providing a more personalized user experience and flexibility and diversity of exercise. The prone frame 23 is mounted on the bracket 21.

[0061] Combination Figure 3 As shown, the push-up frame 23 includes at least: a first support frame 231 and two second support frames 232. The first support frame 231 is mounted on and parallel to the support frame 21, and is used to support the chest and / or abdomen when prone. The two second support frames 232 are respectively mounted on both sides of the support frame 21 and perpendicular to the support frame 21. The two support frames are located above the first support frame 231 and are used to support the shoulders when prone. Through the first support frame 231 and the second support frame 232, the stepper machine can provide lower limb exercise while taking into account upper body support performance and stability, increasing practicality and comfort. Support pads are provided on both the first support frame 231 and the two second support frames 232 to provide better support and protection during exercise and reduce body pressure or discomfort caused by prolonged prone position.

[0062] Among them, combined Figures 4-5 As shown, the base 22 is a housing fitted onto the bracket 21. The contact surface between the base 22 and the bracket 21 is provided with pulleys 24 for sliding up and down along the bracket 21. The housing is also provided with pins 25, which are inserted into multiple pin holes 26 on the bracket 21 when the pins 25 are fastened.

[0063] In another embodiment, a display module 27 is provided on the upper end of the bracket 21. The display module 27 is a display screen used to display sports data, provide fitness guidance, enhance interactivity and visual experience, etc. It may also include auxiliary components such as cameras, speakers, lights, sensors, and processors.

[0064] The following is in conjunction with the appendix Figures 1 to 5 The working process of one embodiment of the stepper of this utility model will be described as follows:

[0065] According to the height and needs of the user, the height of the prone frame 23 is adjusted through the pulley 24 and the bolt 25 on the base 22, ensuring that the treadmill can adapt to the height of the user, providing a comfortable exercise experience;Then, place both feet on the foot pedal of the foot pedal frame 4, and use the foot fixing belt to fix the feet on the foot pedal to prevent the feet from slipping or falling off during exercise, ensuring the safety and stability of exercise;Before formal planning of exercise, the resistance source mechanism 5 output can be adjusted to set the resistance intensity, after the setting is completed, the user performs stepping exercise by stepping on the foot pedal frame 4, and the foot pedal frame 4 reciprocatingly rotates around the rotating shafts 32 at both ends of the horizontal support 31, simulating the real stepping action.

[0066] Through the description of the plurality of embodiments of the treadmill of the utility model, it can be seen that the layout design of the upright frame, the foot pedal frame and the resistance source mechanism makes the overall structure of the treadmill more compact, fully utilizes the vertical space, reduces the occupation of horizontal space, and improves the applicability of the equipment application scene;Through the resistance source mechanism, adjustable resistance can be provided for the stepping exercise of the user, thereby enhancing the exercise intensity;Through the design of the resistance transmission unit, the transmission of resistance is more stable and uniform, and the transmission efficiency is improved.

[0067] Finally, it should be noted that: the embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts of each embodiment can be referred to.

[0068] The above embodiments are only used to illustrate the technical solutions of the utility model and not to limit them;Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the utility model can be modified or some technical features can be replaced by equivalents;Without departing from the spirit of the technical scheme of the utility model, they should be covered in the technical scheme range of the utility model claimed by the utility model.

Claims

1. A cross-trainer comprising a main frame and a support frame fixedly arranged on the main frame, characterized in that, The cross-step machine further comprises: a vertical frame erected on the main frame and arranged behind the support frame; two pedal frames arranged on the vertical frame; a resistance source mechanism mounted on the vertical frame and drivingly connected to the two pedal frames, the resistance source mechanism being located inside a space formed by the movement planes of the two pedal frames.

2. The step machine of claim 1, wherein, A horizontal support is arranged on the vertical frame, and a first end of the pedal frame is rotatably arranged at both ends of the horizontal support.

3. The step machine of claim 2, wherein, The resistance source mechanism further comprises: a resistance generation unit arranged on the top of the vertical frame; two resistance transmission units respectively connected to the resistance generation unit and drivingly connected to the two pedal frames.

4. The step machine of claim 3, wherein, The resistance generation unit is a gas resistance unit or an electric motor resistance unit, and the output shafts thereof are respectively connected to the resistance transmission units.

5. The step machine of claim 4, wherein, The resistance transmission unit further comprises: a transmission support having a first end connected to the output shaft and a second end rotatably arranged on the vertical frame; a linkage support having a first end connected to the transmission support via a connecting rod and a second end fixedly connected to the first end of the pedal frame to synchronously move with the pedal frame.

6. The step machine of claim 5, wherein, A straight line connecting the first pivot point of the first end of the transmission support and the second pivot point of the transmission support on the vertical frame is parallel to a straight line connecting the third pivot point of the first end of the linkage support and the fourth pivot point of the linkage support on the vertical frame.

7. The step machine of claim 6, wherein, The resistance source mechanism is mounted in a closed housing.

8. The step machine according to any one of claims 1 to 7, characterized in that The support frame comprises: a support fixedly arranged on the main frame and upwardly extending; a base fixedly arranged on the support and connected to the support in an adjustable height manner; a prone frame arranged on the support.

9. The step machine of claim 8, wherein, The prone frame at least comprises: a first support arranged on the support and parallel to the support; two second supports respectively arranged on both sides of the support and perpendicular to the support, the two supports being located above the first support.

10. The step machine of claim 9, wherein, A display module is arranged on the upper end of the support.