Reboundable stair climber

Abstract

The utility model discloses a kind of reliable stair climbers of resilience, including main support, and the front leg frame and rear leg frame of mutually splicing are equipped on main support;Front leg frame includes the pair of setting supporting leg, and fixed mounting beam is equipped between two supporting legs;First footrest is slidably installed on each supporting leg, and adjustable angle second footrest is equipped on first footrest;Beam is equipped with several gyro wheels, and first pull rope body that the other of both is equipped between two first footrests, and first pull rope body is wound on gyro wheel;Bottom support rod is fixedly installed between the bottom of two supporting legs, and the second elastic pull rope that the other of both is equipped between each first footrest and bottom support rod.The utility model connects two first footrests by first pull rope body, and connection mode is simple and reliable, convenient to install;Reset is used by second elastic pull rope, and the installation mode of second elastic pull rope is also simple and reliable, greatly improve the stability of product whole.

Description

Technical Field

[0001] This utility model belongs to the technical field of stair climbing machines, specifically relating to a stair climbing machine with reliable rebound. Background Technology

[0002] A stair climber is a highly efficient fitness device with a unique exercise method and a range of functions, providing people with high-intensity, low-stress full-body exercise, which has considerable effects on physical health and fitness. A current patent, CN223055002U, discloses a stair climber including a support frame and two foot pedals. The support frame includes two tracks arranged at intervals and inclined vertically. The two foot pedals are movably mounted on the two tracks. The key feature is the inclusion of a connecting rope. A crossbar is positioned between the two tracks. Both the tracks and the crossbar are hollow structures. The connecting rope is embedded in the tracks and the crossbar, with both ends connected to the two foot pedals. The connecting rope connects the two foot pedals, enabling a coordinated movement when the foot pedals move alternately. However, the installation method of the connecting rope and elastic rope in the existing stair climber is complex, resulting in poor structural reliability and making it unsuitable for prolonged high-intensity use. Therefore, a stair climber with reliable rebound is needed to overcome these difficulties. Summary of the Invention

[0003] This invention addresses the problems existing in the prior art by designing a reliable and resilient stair climber. The invention connects two first foot pedals via a first pull rope body, a simple and reliable connection method that is easy to install. A second elastic pull rope is used for resetting, and its installation method is also simple and reliable, greatly improving the overall stability of the product.

[0004] The objective of this invention is achieved through the following technical solution: a reliable and resilient stair climber, comprising a main support frame, on which front leg frames and rear leg frames are spliced ​​together; the front leg frames include paired legs, with a crossbeam fixedly installed between the two legs; each leg has a first foot pedal slidably mounted on it, and the first foot pedal has a second foot pedal with an adjustable angle; the crossbeam has several rollers rotatably connected to it, and a first pull rope body connecting the two first foot pedals is provided between them, the first pull rope body being wound around the rollers; a bottom support rod is fixedly installed between the bottoms of the two legs, and a second elastic pull rope connecting each first foot pedal and the bottom support rod is provided between them.

[0005] Preferably, the first foot pedal has a U-shaped opening, and a plurality of first pins and a plurality of second pins are installed between the two side walls of the first foot pedal. The first pins are located near the upper end face of the support leg, and the second pins are located near the lower end face of the support leg. A rolling bushing is sleeved on the outer layer of the first pin, and the rolling bushing is rotatably connected to the first pin.

[0006] Preferably, the second pins are arranged in pairs, with the two second pins being staggered vertically. A rolling bushing is also fitted onto the second pin in the lower position, and the rolling bushing is rotatably connected to the second pin.

[0007] By setting a first pin and a second pin, the first foot pedal can be easily limited. Here, the first pin is located on the upper end of the support leg, and the user steps directly on the first foot pedal, so the first pin is subjected to greater force. Therefore, a rolling bushing is installed on the outer layer of each first pin. Since the second pin is located on the lower end of the support leg, the second pin is subjected to less force. Therefore, a rolling bushing is installed separately on the second pin, which is located at the lower position. By setting the rolling bushing, the sliding process between the first foot pedal and the support leg is smoother.

[0008] Preferably, a rotating shaft is provided between the first foot pedal and the second foot pedal to connect the two; a positioning pin is also provided between the first foot pedal and the second foot pedal for fixing; the second foot pedal is provided with a plurality of side-by-side and adjacent limiting holes, and the positioning pin passes through the first foot pedal and extends into the limiting holes.

[0009] The second foot pedal can rotate relative to the first foot pedal and is then locked by a positioning pin and a limiting hole. This allows for adjustment of the tilt angle of the second foot pedal, resulting in better versatility.

[0010] Preferably, the ends of the first pull rope body are fixedly installed on the first foot pedal component arranged adjacent to it, and the first pull rope body is wound around the outer layer of the roller; one end of the second elastic pull rope is fixedly installed on the first foot pedal component, and the other end of the second elastic pull rope is fixedly installed on the bottom support rod.

[0011] The first pull rope is made of a rigid material, such as steel wire rope; the second elastic pull rope is a spring rope with a certain degree of elasticity, facilitating the reset of the first foot pedal. Since the second elastic pull rope is directly installed between the first foot pedal and the bottom support rod without any winding, the installation structure of the second elastic pull rope is more reliable and can generate good elasticity. The two first foot pedals are connected by the first pull rope body, which is wound around a roller, allowing the two first foot pedals to move in tandem, enabling the user to push them up and down repeatedly.

[0012] Preferably, the rear leg frame is equipped with a handrail that can extend in height, and a first adjustment knob for fixing the two is provided between the handrail and the rear leg frame; the first adjustment knob is threadedly connected to the rear leg frame, and the end of the first adjustment knob abuts against the outer wall of the handrail.

[0013] The armrests are detachable and can be installed on the rear leg frame. After adjusting the height of the armrests, the user can fix them by using the first adjustment knob, which provides better versatility.

[0014] Preferably, a connecting assembly is provided between the front leg frame and the rear leg frame, and the connecting assemblies are arranged in pairs; the connecting assembly includes a mounting connector, a fastener, and a second adjustment knob; the fastener is disposed between the mounting connector and the rear leg frame, and the second adjustment knob is disposed between the mounting connector and the front leg frame.

[0015] Preferably, a connecting bushing is fixedly installed on the rear leg frame, and the front leg frame is fitted onto the connecting bushing; the fastener passes through the connecting bushing and is threadedly connected to the outer wall of the mounting connector; the mounting connector is fitted onto the front leg frame, and a threaded sleeve is fixedly installed on the front leg frame, and the second adjusting knob passes through the mounting connector and is threadedly connected to the threaded sleeve.

[0016] The front and rear leg frames are connected by an adapter assembly, allowing them to be disassembled and reassembled for easy assembly and disassembly. The disassembled frames are also smaller and easier to pack. A connecting bushing is used, with fasteners inserted within it, and the front leg frame is fitted snugly onto the bushing, resulting in a more secure connection between the front and rear leg frames.

[0017] Compared with the prior art, the present invention has the following advantages: 1. The two first foot pedals are connected by a first pull rope body, which is not excessively wrapped and is directly wound around the roller, making the linkage process of the two first foot pedals more stable and reliable; 2. Each first foot pedal is connected to the bottom support rod by a separate second elastic pull rope, which is also not wrapped; thus, the second elastic pull rope can generate stable elasticity and has a better recovery effect; 3. The front leg frame and the rear leg frame can be disassembled, which is convenient for packaging and transportation. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a perspective view of the present invention from another angle; Figure 3 This is an exploded view of the present invention; Figure 4 An exploded view of the adapter component; The diagram shows the following components: 1. Main support frame; 2. Front leg frame; 21. Support leg; 22. Crossbeam; 23. Bottom support rod; 3. Rear leg frame; 4. First foot pedal; 5. Second foot pedal; 6. Roller; 7. First elastic pull rope; 9. Second elastic pull rope; 10. First pin; 11. Second pin; 12. Rolling bushing; 13. Rotating shaft; 14. Positioning pin; 15. Limiting hole; 16. Handrail; 17. First adjusting knob; 18. Adapter assembly; 181. Mounting connector; 182. Fastener; 183. Second adjusting knob; 19. Connecting bushing; 20. Threaded sleeve; 201. Buffer component. Detailed Implementation

[0019] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings: like Figures 1 to 4 As shown, this embodiment discloses a reliable and resilient stair climber, including a main support frame 1, on which a front leg frame 2 and a rear leg frame 3 are spliced ​​together; the front leg frame 2 includes a pair of legs 21, and a crossbeam 22 is fixedly installed between the two legs 21; a first foot pedal 4 is slidably installed on each leg 21, and a second foot pedal 5 with an adjustable angle is provided on the first foot pedal 4; a plurality of rollers 6 are provided on the crossbeam 22 and rotatably connected thereto; a first pull rope body 7 connecting the two first foot pedals 4 is provided between the two, and the first pull rope body 7 is wound around the rollers 6; a bottom support rod 23 is fixedly installed between the bottoms of the two legs 21, and a second elastic pull rope 9 connecting the two is provided between each first foot pedal 4 and the bottom support rod 23.

[0020] The first foot pedal 4 has a U-shaped opening. Several first pins 10 and several second pins 11 are installed between the two side walls of the first foot pedal 4. The first pins 10 are positioned near the upper end face of the support leg 21, and the second pins 11 are positioned near the lower end face of the support leg 21. A rolling sleeve 12 is fitted over the outer layer of the first pin 10, and the rolling sleeve 12 is rotatably connected to the first pin 10. The second pins 11 are arranged in pairs, with the two second pins 11 staggered vertically. A rolling sleeve 12 is also fitted over the lower second pin 11, and the rolling sleeve 12 is rotatably connected to the second pin 11. A rotating shaft 13 connects the first foot pedal 4 and the second foot pedal 5. A positioning pin 14 for fixing is also provided between the first foot pedal 4 and the second foot pedal 5. The second foot pedal 5 has several adjacent and parallel limiting holes 15, and the positioning pin 14 passes through the first foot pedal 4 and extends into the limiting holes 15. The ends of the first pull rope body 7 are respectively fixedly installed on the first foot pedal 4 arranged adjacent to it, and the first pull rope body 7 is wound around the outer layer of the roller 6; one end of the second elastic pull rope 9 is fixedly installed on the first foot pedal 4, and the other end of the second elastic pull rope 9 is fixedly installed on the bottom support rod 23.

[0021] The rear leg frame 3 is equipped with an extendable armrest 16. A first adjustment knob 17 for fixing the armrest 16 and the rear leg frame 3 is provided between the armrest 16 and the rear leg frame 3. The first adjustment knob 17 is threadedly connected to the rear leg frame 3, and the end of the first adjustment knob 17 abuts against the outer wall of the armrest 16. A transition assembly 18 connecting the front leg frame 2 and the rear leg frame 3 is provided. The transition assembly 18 is provided in pairs. The transition assembly 18 includes a mounting connector 181, a fastener 182, and a second adjustment knob 183. The fastener 182 is located between the mounting connector 181 and the rear leg frame 3, and the second adjustment knob 183 is located between the mounting connector 181 and the front leg frame 2. A connecting bushing 19 is fixedly installed on the rear leg frame 3, and the front leg frame 2 is fitted onto the connecting bushing 19; the fastener 182 passes through the connecting bushing 19, and the fastener 182 is threadedly connected to the outer wall of the mounting connector 181; the mounting connector 181 is fitted onto the front leg frame 2, and a threaded sleeve 20 is fixedly installed on the front leg frame 2; the second adjusting knob 183 passes through the mounting connector 181 and is threadedly connected to the threaded sleeve 20.

[0022] The specific operation process of this embodiment is as follows: By setting a first pin 10 and a second pin 11, the first foot pedal 4 is conveniently limited. Here, the first pin 10 is located on the upper end face of the support leg 21. When the user steps directly on the first foot pedal 4, the first pin 10 is subjected to a large force. Therefore, a rolling bushing 12 is installed on the outer layer of each first pin 10. Since the second pin 11 is located on the lower end face of the support leg 21, the second pin 11 is subjected to a smaller force. Therefore, a rolling bushing 12 is installed separately on the lower second pin 11. By setting the rolling bushing 12, the sliding process between the first foot pedal 4 and the support leg 21 is smoother. Here, the second foot pedal 5 can rotate relative to the first foot pedal 4 and is then locked by the positioning pin 14 and the limiting hole 15. This allows for adjustment of the tilt angle of the second foot pedal 5, resulting in better versatility. A buffer 201 is provided at the bottom of the back surface of the support leg 21, and the buffer 201 is positioned facing the rolling bushing 12 on the second pin 11.

[0023] The first pull rope body 7 is made of a rigid material, such as steel wire rope; the second elastic pull rope 9 is an elastic rope with a certain degree of elasticity, which facilitates the reset of the first foot pedal 4. Since the second elastic pull rope 9 is directly installed between the first foot pedal 4 and the bottom support rod 23 without being wound, the installation structure of the second elastic pull rope 9 is more reliable and can generate good elasticity. The two first foot pedals 4 are connected by the first pull rope body 7, which is wound around the roller, so the two first foot pedals 4 can move in tandem, allowing the user to push them up and down repeatedly.

[0024] The armrest 16 is detachably mounted on the rear leg frame 3. After adjusting the height of the armrest 16, the user can fix it using the first adjustment knob 17, providing better versatility. The front leg frame 2 and the rear leg frame 3 are connected by an adapter assembly 18, allowing them to be disassembled and reassembled for easy assembly and disassembly. The disassembled armrest is also smaller and easier to pack. A connecting bushing 19 is provided, with fasteners 182 inserted within it, and the front leg frame 2 is fitted snugly onto the connecting bushing 19, resulting in a more secure connection between the front leg frame 2 and the rear leg frame 3.

[0025] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A reliable stair climber with good rebound, comprising a main support frame (1), characterized in that, The main support (1) is provided with a front leg frame (2) and a rear leg frame (3) spliced ​​together; the front leg frame (2) includes a pair of legs (21) and a crossbeam (22) is fixedly installed between the two legs (21); a first foot pedal (4) is slidably installed on each leg (21) and a second foot pedal (5) with an adjustable angle is provided on the first foot pedal (4); a number of rollers (6) are provided on the crossbeam (22) and rotatably connected thereto; a first pull rope body (7) is provided between the two first foot pedals (4) and the two are connected; the first pull rope body (7) is wound around the rollers (6); a bottom support rod (23) is fixedly installed between the bottoms of the two legs (21) and a second elastic pull rope (9) is provided between each first foot pedal (4) and the bottom support rod (23).

2. The reliable rebound stair climber according to claim 1, characterized in that, The first foot pedal (4) has a U-shaped opening. Several first pins (10) and several second pins (11) are installed between the two side walls of the first foot pedal (4). The first pins (10) are located near the upper end face of the support leg (21), and the second pins (11) are located near the lower end face of the support leg (21). A rolling bushing (12) is installed on the outer layer of the first pin (10), and the rolling bushing (12) is rotatably connected to the first pin (10).

3. The reliable rebound stair climber according to claim 2, characterized in that, The second pins (11) are arranged in pairs, and the two second pins (11) are staggered in height. A rolling bushing (12) is also fitted on the second pin (11) in the lower position. The rolling bushing (12) is rotatably connected to the second pin (11).

4. The reliable rebound stair climber according to claim 1, characterized in that, A rotating shaft (13) is provided between the first foot pedal (4) and the second foot pedal (5) to connect the two; a positioning pin (14) for fixing is also provided between the first foot pedal (4) and the second foot pedal (5); a plurality of limiting holes (15) are provided on the second foot pedal (5) arranged side by side and adjacent to each other, and the positioning pin (14) passes through the first foot pedal (4) and extends into the limiting hole (15).

5. The reliable rebound stair climber according to claim 1, characterized in that, The ends of the first pull rope body (7) are respectively fixedly installed on the first foot pedal (4) arranged adjacent to it, and the first pull rope body (7) is wound around the outer layer of the roller (6); one end of the second elastic pull rope (9) is fixedly installed on the first foot pedal (4), and the other end of the second elastic pull rope (9) is fixedly installed on the bottom support rod (23).

6. The stair-climbing machine with reliable rebound according to claim 1, characterized in that, The rear leg frame (3) is equipped with a handrail (16) that can extend the height. A first adjustment knob (17) for fixing the handrail (16) and the rear leg frame (3) is provided. The first adjustment knob (17) is threadedly connected to the rear leg frame (3), and the end of the first adjustment knob (17) abuts against the outer wall of the handrail (16).

7. The reliable rebound stair climber according to claim 1, characterized in that, A connecting assembly (18) is provided between the front leg frame (2) and the rear leg frame (3), and the connecting assemblies (18) are arranged in pairs; the connecting assembly (18) includes a mounting connector (181), a fastener (182) and a second adjustment knob (183); the fastener (182) is disposed between the mounting connector (181) and the rear leg frame (3), and the second adjustment knob (183) is disposed between the mounting connector (181) and the front leg frame (2).

8. The reliable rebound stair climber according to claim 7, characterized in that, A connecting bushing (19) is fixedly installed on the rear leg frame (3), and the front leg frame (2) is fitted onto the connecting bushing (19); the fastener (182) passes through the connecting bushing (19), and the fastener (182) is threadedly connected to the outer wall of the mounting connector (181); the mounting connector (181) is fitted onto the front leg frame (2), and a threaded sleeve (20) is fixedly installed on the front leg frame (2), and the second adjusting knob (183) passes through the mounting connector (181) and is threadedly connected to the threaded sleeve (20).

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