Stair climbing machine provided with fan device

Abstract

The invention provides a stair climbing machine provided with a fan device, and aims to solve the problems that a stair climbing machine in the prior art only has a basic fitness function of simulating stair climbing and lacks a function of being combined with a fan for use, so that the stair climbing machine is relatively single in function and poor in user experience. A stair climbing machine provided with a fan device comprises a supporting frame, two guide frames are arranged on the left side and the right side of the supporting frame in parallel, the guide frames are gradually arranged from back to front in an inclined mode, and a rope winding wheel assembly is further arranged on the supporting frame; the two sets of pedal mechanisms are arranged on the two guide frames in a sliding mode correspondingly, and a traction rope wound around the rope winding wheel assembly is arranged between the two sets of pedal mechanisms; and the fan device is rotationally arranged on the supporting frame and is driven by a driving assembly. When a user simulates the stair climbing movement, the user can synchronously feel the airflow brought by the fan, so that the interaction and reality of the movement are greatly enhanced, and the interestingness and comfort of the product are improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of fitness tools, and particularly relates to a stair climbing machine provided with a fan device. BACKGROUND

[0002] At present, a stair climbing machine appears in the market, which mainly comprises a support frame, two guide frames obliquely upward arranged at a certain slope are arranged on the support frame, two pedals are arranged on the two guide frames, and the two pedals are connected through a traction rope around a winding rope wheel on the support frame. When people use the stair climbing machine, two groups of pedals are driven by two feet to alternately move forward and backward and up and down at a certain slope, so that the action of climbing stairs can be simulated, and good fitness effect can be achieved. However, the stair climbing machine in the prior art only has the basic fitness function of simulating climbing stairs, lacks the function of being used in combination with a fan, and has relatively single function and poor user experience. SUMMARY

[0003] The present application provides a stair climbing machine provided with a fan device, which aims to solve the problem that the stair climbing machine in the prior art only has the basic fitness function of simulating climbing stairs, lacks the function of being used in combination with a fan, and has relatively single function and poor user experience.

[0004] In order to solve the above technical problems, the technical scheme adopted by the present application is as follows:

[0005] A stair climbing machine provided with a fan device, comprising:

[0006] A support frame, two guide frames gradually obliquely upward arranged from back to front are arranged on the support frame in parallel left and right, and a winding rope wheel assembly is further arranged on the support frame;

[0007] Two groups of pedal mechanisms are respectively arranged on the two guide frames in sliding mode, and a traction rope arranged around the winding rope wheel assembly is arranged between the two groups of pedal mechanisms; and

[0008] A fan device is rotationally arranged on the support frame and driven by a driving assembly.

[0009] Further scheme: the driving assembly comprises:

[0010] A transmission mechanism is arranged between the fan device and at least one group of pedal mechanisms, when two groups of pedal mechanisms are driven by external force to alternately slide forward and backward along two guide frames respectively, the pedal mechanisms drive the fan device to rotate through the transmission mechanism.

[0011] A further embodiment: the transmission mechanism includes at least one set of one-way transmission components disposed between the fan device and the two sets of pedal mechanisms; each set of one-way transmission components is configured to drive the fan device to rotate only when the corresponding pedal mechanism slides backward along the guide frame; or, each set of one-way transmission components is configured to drive the fan device to rotate only when the corresponding pedal mechanism slides forward along the guide frame.

[0012] A further solution: When the transmission mechanism includes two sets of the one-way transmission components, the two sets of one-way transmission components correspond one-to-one with the two sets of the pedal mechanism.

[0013] Based on the above technical solution: by setting the transmission mechanism including two sets of one-way transmission components between the two sets of pedal mechanisms and the fan device, when the user drives the two sets of pedal mechanisms to slide back and forth alternately along the two guide frames, for example, when each set of pedal mechanisms slides backward, the corresponding one-way transmission component drives the fan device to rotate, and when sliding forward, the transmission mechanism cannot drive the fan device to rotate. One-way transmission ensures the efficiency of kinetic energy transfer and avoids energy loss and jamming caused by dragging the fan in the opposite direction. Furthermore, when the two sets of one-way transmission components correspond one-to-one with the two sets of pedal mechanisms, the fan can be powered regardless of which pedal the user steps on. This ensures that the fan can obtain continuous, stable, and uninterrupted power input during the alternating stair climbing action, avoiding the problem of repeated start-stop vibration of the fan, thereby improving the user experience.

[0014] A further embodiment: the fan device is rotatably mounted on the support frame via a fan shaft; each set of one-way transmission components includes a first linkage component and a first one-way clutch; the power output end of each set of pedal mechanisms is connected to the power input end of its corresponding first linkage component; the power output end of each set of first linkage components is connected to the power input end of its corresponding first one-way clutch; and the power output end of the first one-way clutch is connected to the power input end of the fan device.

[0015] Based on the above technical solution: the transmission is achieved by using a first linkage component plus a first one-way clutch, which enables the first linkage component to efficiently convert the linear reciprocating motion of the pedal into a rotary motion that can drive the fan, while the setting of the first one-way clutch ensures the unidirectional nature of power transmission.

[0016] A further option: the first one-way clutch is a first one-way bearing or a first ratchet mechanism.

[0017] A further solution: The first linkage component includes:

[0018] The handrail is rotatably mounted on the front side of the support frame;

[0019] A first link, the two ends of which are rotatably connected to the corresponding pedal mechanism and the lower end of the handrail frame, respectively; and,

[0020] The second link has its two ends rotatably connected to the corresponding handrail and the power input end of the first one-way clutch, respectively.

[0021] Based on the above technical solution: the handrail is used as a lever element, which enables the handrail to have the dual functions of hand support and transmission, thereby saving space and cost of additional components; the first link, the handrail and the second link form a force-saving lever mechanism, which can amplify the force when the pedal slides down, thereby driving the fan more easily. It is especially suitable for large-sized fans that require greater driving force. Furthermore, the four-bar linkage can efficiently convert the large-stroke linear motion of the pedal into the small-range oscillation required by the input end of the one-way clutch, thereby enabling more efficient continuous driving of the fan device.

[0022] A further solution: Each of the handrails is provided with a connecting frame on the side near the fan device, and the connecting frame is fixedly connected to the handrail or integrally formed;

[0023] The two ends of the first link are rotatably connected to the corresponding pedal mechanism and the lower end of the handrail frame, respectively; the two ends of the second link are rotatably connected to the corresponding connecting frame and the power input end of the first one-way clutch, respectively, and the connection position of the second link and the handrail frame is located above the connection position of the first link and the handrail frame.

[0024] Based on the above technical solution: the above configuration makes the structure more compact and reasonable, and facilitates the rotational connection between the second link and the power input end of the connecting frame and the first one-way clutch.

[0025] A further embodiment: Each set of the one-way transmission components includes a second linkage component and a second one-way clutch, and a third linkage component is provided between the two second one-way clutches and the fan device;

[0026] The second one-way clutch is mounted on the support frame, and the power output end of each set of pedal mechanisms is connected to the power input end of its corresponding second linkage component. The power output end of the second linkage component is connected to the power input end of its corresponding second one-way clutch. The power output end of each second one-way clutch is connected to the power input end of the third linkage component, and the power output end of the third linkage component is connected to the power input end of the fan device.

[0027] Based on the above technical solutions: the second linkage component (such as belt or wire rope) can bypass obstacles to achieve long-distance and non-linear transmission, bringing greater flexibility to the overall layout design; the two second one-way clutches can combine the two power sources and transmit them to the fan device through a shared third linkage component (such as chain), realizing the integration and simplification of the transmission system, thereby reducing costs.

[0028] A further option: the second one-way clutch is a second one-way bearing or a second ratchet mechanism.

[0029] A further solution: when the second one-way clutch is a second one-way bearing, both second one-way bearings are rotatably mounted on the support frame via a second rotating shaft;

[0030] Alternatively, when the second one-way clutch is a second ratchet mechanism, the second ratchet mechanism is a flywheel, and both flywheels are rotatably mounted on the support frame via the second rotating shaft.

[0031] Based on the above technical solution: installing two one-way bearings on the same rotating shaft makes the structure more compact and the processing and assembly simpler; at the same time, the two one-way clutches share a second rotating shaft, so that a third linkage component can be set up, making the structure even simpler.

[0032] A further embodiment: Each set of the second linkage components includes upper and lower pulleys mounted on the support frame and a transmission belt that passes over the second one-way bearing and the two pulleys, with the pedal mechanism fixedly connected to its corresponding transmission belt.

[0033] Based on the above technical solution: belt drive has the advantages of smooth transmission, low noise, and certain overload protection capability; by fixing the pedal to the drive belt, the direct conversion between the pedal reciprocating motion and the pulley rotation is realized.

[0034] A further embodiment: The third linkage component includes a first sprocket coaxially arranged with the second rotating shaft, a second sprocket coaxially arranged with the fan device, and a chain disposed between the first sprocket and the second sprocket.

[0035] Based on the above technical solution, chain drive is very suitable for reliably transmitting the combined power to the fan shaft, ensuring that it will not slip under high load and guaranteeing the driving effect of the fan.

[0036] The beneficial effects of this invention are as follows:

[0037] This invention, by installing a fan device on the support frame of the stair climber and a transmission mechanism between the pedal mechanisms and the fan device, allows the user to drive the two sets of pedal mechanisms to alternately slide back and forth along two guide frames at a certain incline. This causes the pedal mechanisms to drive the fan device to rotate counterclockwise or clockwise via the transmission mechanism, generating airflow. In other words, the user drives the fan through their own work, making the fan speed directly related to the user's exercise intensity and rhythm. This allows the user to simultaneously feel the airflow from the fan while simulating stair climbing, greatly enhancing the interactivity and realism of the exercise, thereby improving the product's fun and comfort, adding more functions, and providing a better user experience. Attached Figure Description

[0038] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the transmission mechanism of a stair climber equipped with a fan device according to the present invention, including a first linkage component and a first one-way clutch.

[0040] Figure 2 This is a schematic diagram of the transmission mechanism of a stair climber equipped with a fan device according to the present invention, including a first linkage component, a first one-way clutch, a second linkage component, a third linkage component, and a second one-way clutch.

[0041] Figure 3 yes Figure 2 A magnified structural diagram at point A.

[0042] Figure 4 This is a schematic diagram of the connection between the pedal mechanism and the transmission belt.

[0043] Figure 5 This is an exploded structural diagram of the first linkage component and the fan device.

[0044] Explanation of the labels in the diagram:

[0045] 1-Support frame; 11-First bracket; 12-Second bracket; 121-Guide frame; 122-Rope winding wheel assembly; 13-Third bracket; 14-Pedal mechanism; 141-Connecting part; 15-Fan device; 151-Fan shaft; 2-One-way transmission assembly; 21-First linkage assembly; 211-Handrail frame; 211a-Connecting frame; 211b-Hand grip bar; 212-First connecting rod; 213-Second connecting rod; 214-Transmission frame; 22-First one-way clutch; 23-Second linkage assembly; 231-Transmission belt; 232-Pulley; 24-Second one-way clutch; 241-Second shaft; 25-Third linkage assembly; 251-First sprocket; 252-Second sprocket; 253-Chain; 3-Traction rope. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely for explaining the present invention and are not intended to limit the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the protection scope of the present invention.

[0047] like Figures 1 to 5 As shown, this embodiment provides a stair climber equipped with a fan device 15, including:

[0048] Support frame 1, on which two guide frames 121 are arranged side by side, both of which are gradually inclined upward from back to front, and the support frame 1 is also provided with a rope winding wheel assembly 122;

[0049] Two sets of pedal mechanisms 14 are slidably mounted on the two guide frames 121 respectively, and a traction rope 3 is provided between the two sets of pedal mechanisms 14, passing around the rope winding wheel assembly 122; and,

[0050] The fan device 15 is rotatably mounted on the support frame 1 and driven by a drive assembly.

[0051] In some specific implementations, such as Figures 1 to 5 As shown, when the user drives the two sets of pedal mechanisms 14 to slide back and forth alternately, in order to make the fan device 15 rotate simultaneously, the drive component in this embodiment includes a transmission mechanism. The transmission mechanism is disposed between the fan device 15 and at least one set of pedal mechanisms 14. When an external force drives the two sets of pedal mechanisms 14 to slide back and forth alternately along the two guide frames 121, the pedal mechanism 14 drives the fan device 15 to rotate through the transmission mechanism.

[0052] In some specific implementations, such as Figures 1 to 5As shown, the transmission mechanism includes at least one set of one-way transmission components 2 disposed between the fan device 15 and the two sets of pedal mechanisms 14;

[0053] In order to enable the fan device 15 to rotate continuously and avoid repeated start-stop, the preferred method is that when the transmission mechanism includes two sets of the one-way transmission components 2, the two sets of one-way transmission components 2 correspond one-to-one with the two sets of pedal mechanisms 14.

[0054] The transmission method of the one-way components can be configured such that each set of one-way transmission components 2 is configured to drive the fan device 15 to rotate only when the corresponding pedal mechanism 14 slides backward along the guide frame 121. Specifically, in this scheme, when the pedal mechanism 14 slides forward along the guide frame 121, it cannot drive the fan device 15 to operate through the one-way transmission components 2. When the user uses the stair climber, no matter which side of the pedal the user steps backward, it can provide power to the fan, thereby ensuring that the fan can obtain continuous, stable and uninterrupted power input.

[0055] Alternatively, the transmission method of the unidirectional components can be configured such that each set of unidirectional transmission components 2 is configured to drive the fan device 15 to rotate only when the corresponding pedal mechanism 14 slides forward along the guide frame 121.

[0056] The fan device 15 is rotatably mounted on the support frame 1 via a fan shaft 151; preferably, it is rotatably mounted on the front side of the support frame 1. In order to achieve heat dissipation, the fan device 15 is configured to blow air to the rear of the human body for heat dissipation when rotating from front to back.

[0057] As the first implementation scheme of the transmission mechanism, such as Figure 1 and Figure 5 As shown, each set of one-way transmission components 2 includes a first linkage component 21 and a first one-way clutch 22. The first linkage component 21 is disposed between the corresponding pedal mechanism 14 and the first one-way clutch 22, and the first one-way clutch 22 is disposed between the first linkage component 21 and the fan shaft 151. Specifically, the power output end of each set of pedal mechanisms 14 is connected to the power input end of its corresponding first linkage component 21, and the power output end of each set of first linkage components 21 is connected to the power input end of its corresponding first one-way clutch 22. The power output end of the first one-way clutch 22 is connected to the power input end of the fan device 15.

[0058] The first one-way clutch 22 can be a first one-way bearing, or it can be a first ratchet mechanism, etc. When the first one-way clutch 22 is a first one-way bearing, it is coaxially arranged with the fan shaft 151, and the two first one-way bearings are located on the left and right sides of the fan shaft 151, respectively. When the first one-way clutch 22 is a first ratchet mechanism, it includes a ratchet coaxially arranged with the fan shaft 151 and a pawl that cooperates with the ratchet. The power input end of the pawl is rotatably connected to the output end of the first linkage assembly 21. The first ratchet mechanism can also be a flywheel used on a bicycle.

[0059] In one specific embodiment of the first linkage component 21, the first linkage component 21 includes:

[0060] Handrail 211 is rotatably mounted on the front side of the support frame 1;

[0061] The first link 212, with its two ends rotatably connected to the lower ends of the corresponding pedal mechanism 14 and the handrail frame 211, respectively; and,

[0062] The second link 213 has two ends that are rotatably connected to the power input ends of the corresponding handrail 211 and the first one-way clutch 22, respectively.

[0063] As a specific structure, each of the handrail frames 211 is provided with a connecting frame 211a on the side near the fan device 15. The connecting frame 211a is fixedly connected to the handrail frame 211 or integrally formed therefrom.

[0064] The two ends of the first connecting rod 212 are rotatably connected to the lower ends of the corresponding pedal mechanism 14 and the handrail frame 211, respectively; the two ends of the second connecting rod 213 are rotatably connected to the power input ends of the corresponding connecting frame 211a and the first one-way clutch 22, respectively, and the connection position of the second connecting rod 213 and the handrail frame 211 is located above the connection position of the first connecting rod 212 and the handrail frame 211.

[0065] A more specific structure is that the support frame 1 includes a first support 11 at the bottom, a second support 12 at the rear, and a third support 13 at the front. The first support 11, the second support 12, and the third support 13 form a triangular structure. Both guide frames 121 are located on the second support 12, and the fan device 15 is preferably installed on the third support 13. The two handrail frames 211 are rotatably connected to the left and right sides of the upper front side of the third support 13, respectively. The upper end of the handrail frame 211 is provided with a hand grip 211b. When one of the pedal mechanisms 14 slides backward, the pedal mechanism 14 drives the lower end of the corresponding handrail 211 to swing backward through the first link 212. During the backward swing of the lower end of the handrail 211, the first one-way bearing is driven to rotate clockwise from front to back through the second link 213, thereby driving the fan device 15 to rotate. When the pedal mechanism 14 slides forward, the first one-way bearing is driven to rotate and reset through the first linkage component 21, and the fan device 15 is not driven during the reset process.

[0066] For ease of assembly, each pedal mechanism 14, the traction rope 3, and the corresponding first connecting rod 212 can be connected by the same bolt. To facilitate the engagement of the second connecting rod 213 with the first one-way bearing, a transmission frame 214 can be provided between the first one-way bearing and the second connecting rod 213. One end of the transmission frame 214 is rotatably connected to the second connecting rod 213, and the other end is coaxially arranged with the first one-way bearing.

[0067] As a second implementation scheme for the transmission mechanism, such as Figures 2 to 4 As shown, each of the one-way transmission components 2 includes a second linkage component 23 and a second one-way clutch 24, and a third linkage component 25 is provided between the two second one-way clutches 24 and the fan device 15.

[0068] The second one-way clutch 24 is mounted on the support frame 1. The second linkage assembly 23 is positioned between the corresponding second one-way clutch 24 and the pedal mechanism 14. The third linkage assembly 25 is positioned between the second one-way clutch 24 and the fan shaft 151. Specifically, the power output end of each pedal mechanism 14 is connected to the power input end of its corresponding second linkage assembly 23. The power output end of the second linkage assembly 23 is connected to the power input end of its corresponding second one-way clutch 24. The power output end of each second one-way clutch 24 is connected to the power input end of the third linkage assembly 25. The power output end of the third linkage assembly 25 is connected to the power input end of the fan device 15.

[0069] The second one-way clutch 24 is either a second one-way bearing or a second ratchet mechanism. When the second one-way clutch 24 is a second one-way bearing, both second one-way bearings are rotatably mounted on the support frame 1 via the second rotating shaft 241, specifically mounted on the first bracket 11.

[0070] In one specific embodiment of the second linkage component 23, each set of the second linkage component 23 includes upper and lower pulleys 232 mounted on the support frame 1 and a transmission belt 231 that passes over the second one-way bearing and the two pulleys 232. The pedal mechanism 14 is fixedly connected to its corresponding transmission belt 231. Specifically, each set of pedal mechanisms 14 is provided with a connecting part 141, which is fixedly or detachably connected to the belt. The connecting part 141 can be a belt clamp or the like.

[0071] In one specific embodiment of the third linkage component 25, the third linkage component 25 includes a first sprocket 251 coaxially arranged with the second rotating shaft 241, a second sprocket 252 coaxially arranged with the fan rotating shaft 151, and a chain 253 disposed between the first sprocket 251 and the second sprocket 252.

[0072] In this scheme, when the second one-way clutch 24 is a second ratchet mechanism, the second ratchet mechanism is a flywheel, and both flywheels are rotatably mounted on the support frame via the second rotating shaft. The flywheel can be a common flywheel found on bicycles.

[0073] As a third implementation scheme for the transmission mechanism, such as Figures 2 to 4 As shown, each set of one-way transmission components 2 includes a first linkage component 21 and a first one-way clutch 22. The first linkage component 21 is disposed between the corresponding pedal mechanism 14 and the first one-way clutch 22, and the first one-way clutch 22 is disposed between the first linkage component 21 and the fan shaft 151. Each set of one-way transmission components 2 also includes a second linkage component 23 and a second one-way clutch 24. A third linkage component 25 is provided between the two second one-way clutches 24 and the fan shaft 151.

[0074] The second one-way clutch 24 is mounted on the support frame 1, the second linkage assembly 23 is disposed between the corresponding second one-way clutch 24 and the pedal mechanism 14, and the third linkage assembly 25 is disposed between the second one-way clutch 24 and the fan shaft 151. That is, the third embodiment is a combination of the first and second embodiments.

[0075] The working principle will be explained further below:

[0076] When using the stair climber, the user's feet are positioned on two sets of pedal mechanisms 14, causing the two sets of pedal mechanisms 14 to slide back and forth alternately along two guide frames 121. When one set of pedal mechanisms 14 slides backward, it drives the lower end of the corresponding handrail frame 211 to swing backward via the first connecting rod 212. During the backward swing of the lower end of the handrail frame 211, it drives the first one-way bearing to rotate clockwise from front to back via the second connecting rod 213, thereby driving the fan device 15 to rotate. When the set of pedal mechanisms 14 slides forward along the guide frame 121, it drives the first one-way bearing to return to its original position via the first linkage component 21, and the fan device 15 is not driven during the return process. The two sets of pedal mechanisms 14 slide backward alternately, thereby continuously inputting power to the fan device 15, causing the fan device 15 to rotate continuously.

[0077] This invention is not limited to the above-described optional embodiments. Anyone can derive other various forms of products under the guidance of this invention. However, regardless of any changes made in their shape or structure, any technical solution that falls within the scope of the claims of this invention shall be protected by this invention.

Claims

1. A stair-climbing machine equipped with a fan device, characterized in that, include: The support frame has two guide frames arranged side by side on the left and right sides, both of which are gradually inclined upward from back to front. The support frame is also equipped with a rope winding wheel assembly. Two sets of pedal mechanisms are slidably mounted on the two guide frames respectively, and a traction rope is provided between the two sets of pedal mechanisms, passing around the rope winding wheel assembly; and, The fan assembly is rotatably mounted on the support frame and driven by a drive component.

2. A stair climber equipped with a fan device according to claim 1, characterized in that, The driving component includes: A transmission mechanism is provided between the fan device and at least one set of pedal mechanisms. When an external force drives the two sets of pedal mechanisms to slide back and forth alternately along the two guide frames, the pedal mechanisms drive the fan device to rotate through the transmission mechanism.

3. A stair climber equipped with a fan device according to claim 2, characterized in that, The transmission mechanism includes at least one set of one-way transmission components disposed between the fan device and the two sets of pedal mechanisms; When the transmission mechanism includes two sets of the one-way transmission components, the two sets of one-way transmission components correspond one-to-one with the two sets of the pedal mechanism; Each set of the unidirectional drive components is configured to drive the fan device to rotate only when the corresponding pedal mechanism slides backward along the guide frame; or, each set of the unidirectional drive components is configured to drive the fan device to rotate only when the corresponding pedal mechanism slides forward along the guide frame.

4. A stair climber equipped with a fan device according to claim 3, characterized in that, Each set of one-way transmission components includes a first linkage component and a first one-way clutch. The power output end of each set of pedal mechanisms is connected to the power input end of its corresponding first linkage component. The power output end of each set of first linkage components is connected to the power input end of its corresponding first one-way clutch. The power output end of the first one-way clutch is connected to the power input end of the fan device.

5. A stair climber equipped with a fan device according to claim 4, characterized in that, The first one-way clutch is a first one-way bearing or a first ratchet mechanism.

6. A stair climber equipped with a fan device according to claim 4 or 5, characterized in that, The first linkage component includes: The handrail is rotatably mounted on the front side of the support frame; A first link, the two ends of which are rotatably connected to the corresponding pedal mechanism and the handrail frame, respectively; and, The second link has its two ends rotatably connected to the corresponding handrail and the power input end of the first one-way clutch, respectively.

7. A stair climber equipped with a fan device according to claim 6, characterized in that, Each of the handrails is provided with a connecting frame on the side near the fan device, and the connecting frame is fixedly connected to the handrail or integrally formed; The two ends of the first link are rotatably connected to the corresponding pedal mechanism and the lower end of the handrail frame, respectively; the two ends of the second link are rotatably connected to the corresponding connecting frame and the power input end of the first one-way clutch, respectively, and the connection position of the second link and the handrail frame is located above the connection position of the first link and the handrail frame.

8. A stair climber equipped with a fan device according to claim 3 or 4, characterized in that, Each set of the one-way transmission components includes a second linkage component and a second one-way clutch, and a third linkage component is provided between the two second one-way clutches and the fan device; The second one-way clutch is mounted on the support frame, and the power output end of each set of pedal mechanisms is connected to the power input end of its corresponding second linkage component. The power output end of the second linkage component is connected to the power input end of its corresponding second one-way clutch. The power output end of each second one-way clutch is connected to the power input end of the third linkage component, and the power output end of the third linkage component is connected to the power input end of the fan device.

9. A stair climber equipped with a fan device according to claim 8, characterized in that, The second one-way clutch is a second one-way bearing or a second ratchet mechanism.

10. A stair climber equipped with a fan device according to claim 9, characterized in that, When the second one-way clutch is a second one-way bearing, both second one-way bearings are rotatably mounted on the support frame via the second rotating shaft; Alternatively, when the second one-way clutch is a second ratchet mechanism, the second ratchet mechanism is a flywheel, and both flywheels are rotatably mounted on the support frame via the second rotating shaft.

11. A stair climber equipped with a fan device according to claim 10, characterized in that, Each set of the second linkage components includes upper and lower pulleys mounted on the support frame and a transmission belt that passes over the second one-way bearing and the two pulleys. The pedal mechanism is fixedly connected to the corresponding transmission belt.

12. A stair climber equipped with a fan device according to claim 10, characterized in that, The third linkage component includes a first sprocket coaxially arranged with the second rotating shaft, a second sprocket coaxially arranged with the fan device, and a chain disposed between the first sprocket and the second sprocket.

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