Stair climbing machine

Abstract

A stair climbing machine comprises a support and two pedal pieces, the support comprises two rails which are inclined up and down and arranged at intervals, the two pedal pieces are movably arranged on the two rails respectively, the stair climbing machine is characterized by further comprising a connecting rope, a cross rod is arranged between the two rails, and the rails and the cross rod are both of a hollow structure. The connecting rope is arranged in the two rails and the cross rod, the two ends of the connecting rope are connected with the two pedal pieces respectively, the connecting rope can be connected with the two pedal pieces, the two pedal pieces can achieve the linkage effect when moving alternately, and when a user uses the stair climbing machine to exercise, due to the fact that the connecting rope is arranged in the rails, the connecting rope is not prone to being damaged, and the service life is long. Moreover, the feet cannot be affected by the connecting ropes, the exercise effect is better, the attractiveness is higher, and the product is convenient to store.

Description

Technical Field

[0001] The utility model relates to the field of fitness equipment, in particular to a stair climber. Background Art

[0002] Chinese patent document with publication number CN103316453B discloses a mountain climber, which includes a vertical column, handrails, an inclined bracket, two foot pedals and a step linkage mechanism fixed on the bracket. The vertical column is inclined on the ground, the handrails are arranged at the upper end of the vertical column, one end of the bracket is fixed in the middle of the vertical column, and the other end is arranged on the ground. The bracket includes two parallel guide rails, and the two foot pedals are respectively arranged on the two guide rails and can slide along the length direction of the guide rails; the step linkage mechanism includes four pulleys and two steel wires. The four pulleys are respectively fixed on the bottom surfaces of the two ends of the two guide rails, and the two steel wires respectively bypass the two pulleys at the top ends and the two pulleys at the bottom ends of the two guide rails. Connecting plates are respectively arranged at the two ends of the bottom of the foot pedal, and the two ends of the steel wire are respectively fixed to the two connecting plates close to it on the two foot pedals.

[0003] Combined with the specification drawings of the above solution, it can be seen that the steel wire of the above solution is arranged outside the guide rail, which may be touched by the user, resulting in an impact on the exercise effect. In addition, the steel wire exposed outside is easily damaged, has a short service life, and poor aesthetics. Content of the Utility Model

[0004] The purpose of the utility model is to provide a stair climber that is not easy to affect the exercise effect during use and has a long service life.

[0005] The purpose of the utility model is achieved through the following technical means:

[0006] A stair climber includes a bracket and two foot members. The bracket includes two tracks that are inclined up and down and arranged at intervals. The two foot members are respectively movably arranged on the two tracks. It is characterized in that: it further includes a connecting rope. A cross bar is arranged between the two tracks. The tracks and the cross bar are both hollow structures. The connecting rope is arranged in the two tracks and the cross bar and is respectively connected to the two foot members at both ends. The connecting rope can connect the two foot members, so that when the two foot members move alternately, a linkage effect can be achieved. When the user exercises on the stair climber, since the connecting rope is arranged inside the track, the connecting rope is not easily damaged, has a long service life, and the feet will not be affected by the connecting rope, the exercise effect is better, the aesthetics is stronger, and it is also convenient for the storage of the product.

[0007] The track is formed with an elongated relief hole extending along its length direction. The foot pedal includes a base and a connecting member that can extend into the elongated relief hole. The base is slidably disposed on the track, the connecting member is fixedly disposed on the base, and the connecting member is connected to the connecting rope. The elongated relief hole is used to avoid the movement of the connecting member on the track, so that the foot pedal can smoothly move on the track and can be connected to the connecting rope inside the track.

[0008] The connecting member includes a main body, a bolt and a nut. The main body is fixedly connected to the base, and a bolt hole is formed on the main body for the bolt to pass through. A bolt hole is provided at the end of the connecting rope. The bolt extends into the elongated relief hole and passes through the bolt hole and the bolt hole, and is finally locked by the nut. In this way, the connecting rope and the foot pedal can be connected together by the bolt and nut, and the structure is simple and the disassembly and assembly are convenient.

[0009] At least two guide wheels are provided on the cross bar. The guide wheels can guide the turning of the connecting rope, and the guide wheels can reduce the wear of the connecting rope.

[0010] The foot pedal further includes a foot platform and at least three rollers. The rollers are disposed on the base and on the upper and lower sides of the track. The rollers are in rolling contact with the track. The foot platform is adjustably angled on the base. In this way, the foot pedal can smoothly slide on the track through the rollers, and at least three rollers can make the foot pedal more stable. The foot platform can be adjusted in angle and can be conveniently stored after use.

[0011] A positioning portion is provided on the foot platform. At least two first positioning holes are formed on the positioning portion. The base is formed with a second positioning hole. The foot pedal further includes a pin. By rotating the foot platform, one of the first positioning holes can be selectively aligned with the second positioning hole, and the pin can simultaneously pass through the first positioning hole and the second positioning hole to limit the relative rotation of the foot platform with respect to the base.

[0012] It further includes an elastic rope connected between the two foot pedals. The elastic force of the elastic rope can make the interval distance between the two foot pedals farther and the resistance greater when the two foot pedals move alternately, and it is more labor-saving when the two foot pedals move towards each other.

[0013] It includes at least two of the elastic ropes. The foot pedal includes a base. At least two elastic rope mounting portions are provided on both bases. The elastic rope mounting portion includes a connection hole for the elastic rope to pass through. The two ends of the elastic rope are respectively detachably sleeved on the connection holes of the two bases. In this way, the user can increase or decrease the number of elastic ropes according to their own needs to adjust the resistance when the two foot pedals move alternately.

[0014] The bracket includes a front support leg and a rear support leg. The front support leg is arranged vertically, and the rear support leg is rotatably arranged on the front support leg between an inclined state and a folded state. The lower end of the rear support leg in the inclined state is inclined to support on the ground. The rear support leg in the folded state rotates to overlap or substantially overlap with the front support leg. The rear support leg includes two of the tracks. In this way, when in use, only need to rotate the rear support leg to the inclined state, and after use, rotate the rear support leg to the folded state, which is convenient for storage and handling, and also saves the costs of packaging and transportation.

[0015] An armrest for the user to grip is provided at the upper end of the front support leg. The armrest includes two spaced-apart insertion rods and a grip connected between the two insertion rods. Two insertion tubes are provided at the upper end of the front support leg. The insertion rods are movably inserted into the insertion tubes between a use position and a folded position. When the insertion rods are in the use position, the insertion tubes are located at the lower ends of the insertion rods. When the insertion rods are in the folded position, the insertion rods are located at the upper ends or substantially upper ends of the insertion rods. A fastener is further included for restricting the two insertion rods in the use position or the folded position. When in use, move the armrest to the use position, and after use, move the armrest to the folded position, which is convenient for storage and handling, and can also save the costs of packaging and transportation.

[0016] The fastener is a first fastening bolt. A first threaded hole cooperating with the first fastening bolt is formed on the outer peripheral surface of the insertion tube. The first fastening bolt can pass through the first threaded hole and press against the insertion rod to restrict the movement of the insertion rod. In this way, not only the structure is simple, but also the operation is convenient.

[0017] The front support leg includes two horizontally arranged tubes spaced up and down and a vertical tube connected between the two horizontally arranged tubes. The vertical tube includes a first tube body and a second tube body. The second tube body is inserted into the first tube body. A second threaded hole is formed on the outer peripheral surface of the first tube body. A second fastening bolt is further included. The second fastening bolt can pass through the second threaded hole and press against the second tube body to restrict the relative movement of the second tube body with respect to the first tube body. In this way, the inclination of the track can be adjusted by adjusting the length of the vertical tube, so as to adjust the intensity of the movement. Description of the Drawings

[0018] Figure 1 A perspective view of the present utility model when in use.

[0019] Figure 2 Another perspective view of the present utility model when in use.

[0020] Figure 3 A schematic connection structure diagram of the footrest and the track of the present utility model.

[0021] Figure 4 An exploded view of the components of the footrest and the track of the present utility model.

[0022] Figure 5This is the front view of the present utility model.

[0023] Figure 6 It is Figure 5 A sectional view taken along the A - A direction.

[0024] Figure 7 It is Figure 6 An enlarged view of part B in

[0025] Figure 8 This is a schematic diagram of the connection structure between the connecting rope and the track of the present utility model.

[0026] Figure 9 This is a perspective view of the present utility model when it is folded.

[0027] Figure 10 This is a perspective view of another angle of the present utility model when it is folded. Specific embodiments

[0028] Referring to Figures 1 to 10 , a stair - climbing machine includes a bracket 1 and two foot pedals 2. The bracket 1 includes a front support leg 11 and a rear support leg 12. The front support leg 11 is vertically arranged, and the rear support leg 12 is rotatably arranged on the front support leg 11 between an inclined state and a folded state. The lower end of the rear support leg 12 in the inclined state is inclined to support on the ground. The rear support leg 12 in the folded state rotates to overlap or substantially overlap with the front support leg 11. In this way, when in use, only need to rotate the rear support leg 12 to the inclined state, and after use, rotate the rear support leg 12 to the folded state, which is convenient for storage and transportation, and also saves the costs of packaging and transportation. The front support leg 11 includes two horizontal tubes 111 arranged at intervals up and down and a vertical tube connected between the two horizontal tubes 111. The vertical tube includes a first tube body 112 and a second tube body 113, and the second tube body 113 is inserted into the first tube body 112. The rear support leg 12 includes two tracks 121 arranged obliquely and at intervals up and down and a support tube 122 connected to the rear ends of the two tracks 121. When the rear support leg 12 is in the inclined state, the support tube 122 supports on the ground. The front ends of the two tracks 121 are rotatably connected to the upper horizontal tube 111 of the front support leg 11 to realize the rotation of the rear support leg 12 between the inclined state and the folded state.

[0029] The two foot pedals 2 are respectively movably arranged on the two rails 121. It further includes a connecting rope 3. The connecting rope 3 is specifically a steel wire rope. The steel wire rope has high strength and long service life. A cross bar 7 is arranged between the two rails 121. Both the rail 121 and the cross bar 7 are of hollow structure. The connecting rope 3 is arranged in the two rails 121 and the cross bar 7 and is respectively connected to the two foot pedals 2 at both ends. The connecting rope 3 can connect the two foot pedals 2, so that when the two foot pedals 2 move alternately, a linkage effect can be achieved. When the user exercises on the stair climber, since the connecting rope 3 is arranged inside the rail 121, it is not easy to damage the connecting rope 3, and it has a long service life. Moreover, the feet will not be affected by the connecting rope 3, the exercise effect is better, the aesthetics is stronger, and it is also convenient for the storage of the product. Two guide wheels 71 are arranged on the cross bar 7. The guide wheels 71 can guide the turning of the connecting rope 3 and can reduce the wear when the connecting rope 3 moves.

[0030] The rail 121 is formed with an elongated relief hole 123 extending along its length direction. The elongated relief hole 123 is formed at the lower end of the rail 121. The foot pedal 2 includes a base 22 and a connecting member that can extend into the elongated relief hole 123. The base 22 is slidably arranged on the rail 121. The connecting member is fixedly arranged on the base 22 and is located at the lower end of the rail 121. The connecting member extends into the elongated relief hole 123 to be connected to the connecting rope 3. The elongated relief hole 123 is used to avoid the movement of the connecting member on the rail 121. In this way, the foot pedal 2 can move smoothly on the rail 121 and can be connected to the connecting rope 3 inside the rail 121.

[0031] The connecting member includes a main body 23, a bolt 231 and a nut 233. The main body 23 is fixedly connected to the base 22. A bolt hole 31 is formed on the main body 23 for the bolt 231 to pass through. The end of the connecting rope 3 is an annular structure with a bolt hole 31. The bolt 231 extends into the elongated relief hole 123 and passes through the bolt hole 31 and the bolt 231 through hole, and is finally locked by the nut 233. In this way, the connecting rope 3 can be connected to the foot pedal 2 by the bolt 231 and the nut 233, and the structure is simple and the disassembly and assembly are convenient.

[0032] The pedal member 2 further includes a pedal platform 21 and three rollers 24. The rollers 24 are arranged on the base 22, specifically, two are arranged above the track 121 and one is arranged below, so that the pedal member 2 can be more stable, forming a triangular structure. The rollers 24 are in rolling contact with the track 121. The pedal platform 21 is adjustably arranged on the base 22 for the user to step on, so that the pedal member 2 can smoothly slide on the track 121 through the rollers 24. A positioning portion 211 is provided on the pedal platform 21. Two first positioning holes 213 are formed on the positioning portion 211 and are arranged at intervals up and down. The base 22 is formed with a second positioning hole. The pedal member 2 further includes a pin 212. By rotating the pedal platform 21, one of the first positioning holes 213 can be selectively aligned with the second positioning hole. The pin 212 can simultaneously pass through the first positioning hole 213 and the second positioning hole to limit the rotation of the pedal platform 21 relative to the base 22, so that the angle of the pedal member 2 can be adjusted. After use, the upper first positioning hole 213 can be aligned with the second positioning hole and the pin 212 can be inserted, so that the pedal platform 21 can be rotated to be almost overlapped with the base 22, which is convenient for storage.

[0033] Two elastic ropes 4 are further included, which are connected between the two pedal members 2. The elastic force of the elastic ropes 4 can make the interval distance between the two pedal members 2 farther and the resistance greater when the two pedal members 2 move alternately, and it is more labor-saving when the two pedal members 2 move towards each other. Two elastic rope mounting portions 221 are provided on the base 22. The elastic rope mounting portions 221 are specifically metal sheets formed on the inner side of the base 22. Connection holes are formed on the metal sheets. The two ends of the elastic ropes 4 are respectively detachably sleeved on the connection holes of the two bases 22, so that the user can increase or decrease the number of elastic ropes 4 according to their own needs to adjust the resistance when the two pedal members 2 move alternately.

[0034] A handrail 5 for the user to grasp is provided at the upper end of the front supporting foot 11, and the handrail 5 includes two plug rods 51 arranged at intervals and a grip 52 connected between the two plug rods 51. Two plug tubes 114 are provided at both ends of the cross bar 7 at the upper end of the front supporting foot 11. The plug rod 51 can be movably inserted in the plug tube 114 between the use position and the folded position. When the plug rod 51 is in the use position, the plug tube 114 is located at the lower end of the plug rod 51. When the plug rod 51 is in the folded position, the plug rod is located at the upper end or approximately the upper end of the plug rod 51. It also includes a fastener for limiting the two plug rods 51 to the use position or the folded position. When in use, the armrest 5 is moved to the use position. After use, the armrest 5 is moved to the folded position. This is convenient for storage and carrying, and can save packaging and transportation costs. The fastener is a first fastening bolt 53, and a first threaded hole matching with the first fastening bolt 53 is formed on the outer peripheral surface of the insertion tube 114. The first fastening bolt 53 can pass through the first threaded hole and tighten the insertion rod 51 to limit the movement of the insertion rod 51, and a plurality of spaced-apart screw holes 511 are formed on the insertion rod 51. The first fastening bolt 53 can pass through the first threaded hole and one of the screw holes 511 at the same time. This not only has a simple structure but also is easy to operate.

[0035] A second threaded hole is formed on the outer peripheral surface of the first tube body 112 of the front supporting foot 11, and also includes a second fastening bolt 115. The second fastening bolt 115 can pass through the second threaded hole and press against the second tube body 113 to limit the movement of the second tube body 113 relative to the first tube body 112. In this way, the inclination of the track 121 can be adjusted by adjusting the length of the vertical pipe, thereby achieving the adjustment of the intensity of the movement.

[0036] like Figure 2 and Figure 3 As shown, blocking members 124 are provided at the front and rear ends of the two tracks 121, and a buffer block 234 cooperating with the blocking member 124 at the front end is also provided at the front end of the connecting member body 23. Both the blocking member 124 and the buffer block 234 can be elastic components, so that the pedal member 2 can have a certain buffering effect when it moves to the top, and the rear end of the pedal member 2 is the roller 24 that contacts the blocking member 124 at the rear end of the track 121. The blocking member 124 can limit the movement distance of the pedal member 2, so that the span of the user's legs is within a more reasonable range when exercising.

[0037] A mobile phone placement portion 6 is provided on the transverse tube 111 at the upper end of the front supporting leg 11, so that a mobile phone or other electronic device can be placed thereon to assist in exercise, which is more functional.

[0038] During use, rotate the rear support foot 12 to an inclined state so that the support tube 122 supports on the ground, and then the bracket 1 can be stably set on the ground. Next, adjust the armrest 5 upward to the use position and rotate the footrest platform 21 to a suitable angle. The exerciser places both feet on the two footrest platforms 21 and holds the grips 52 with both hands, then can start the simulated stair climbing motion of alternating front and back; after use, adjust the armrest 5 to the folded position, then rotate the rear support foot 12 to the folded state, and adjust the footrest platform 21 to a position that substantially overlaps with the base 22. In this way, the whole stair climber will be in a flat state, which is convenient for storage and transportation and saves transportation costs.

[0039] The above is only the preferred embodiment of the present invention, and thus cannot limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the specification should still fall within the scope covered by the patent of the present invention.

Claims

1. A stair climbing machine, comprising a bracket and two foot pedals. The bracket includes two tracks that are inclined upward and downward and arranged at intervals, and the two foot pedals are respectively movably arranged on the two tracks. It is characterized in that: It also includes a connecting rope. A crossbar is arranged between the two tracks. Both the track and the crossbar are hollow structures. The connecting rope is arranged in the two tracks and the crossbar, and the two ends of the connecting rope are respectively connected to the two pedals.

2. The stair climbing machine according to claim 1, characterized in that: The track is formed with an elongated clearance hole extending along its length direction, and the pedal member includes a base and a connecting member that can be extended into the elongated clearance hole. The base is slidably arranged on the track, and the connecting member is fixedly arranged on the base. The connecting member is connected to the connecting rope, and the elongated clearance hole is used to avoid the movement of the connecting member on the track.

3. The stair climber according to claim 2, characterized in that: The connecting piece includes a main body, a bolt and a nut. The main body is fixedly connected to the base. A bolt hole for the bolt to pass through is formed on the main body. The end of the connecting rope is provided with a bolt hole. The bolt extends into the elongated clearance hole and passes through the bolt hole and the bolt hole, and is finally locked by the nut.

4. The stair climbing machine according to claim 1, characterized in that: At least two guide wheels are arranged on the cross bar, and the guide wheels can guide the connecting rope to turn.

5. The stair climbing machine according to claim 2, wherein: The pedal member also includes a pedal platform and at least three rollers. The rollers are arranged on the base and located at the upper and lower sides of the track. The rollers are in rolling contact with the track. The pedal platform is arranged on the base with an adjustable angle.

6. The stair climbing machine according to claim 5, wherein: A positioning portion is provided on the footrest platform, and at least two first positioning holes are formed on the positioning portion. A second positioning hole is formed on the base. The footrest member also includes a latch, which can selectively align one of the first positioning holes with the second positioning hole by rotating the footrest platform. The latch can simultaneously pass through the first positioning hole and the second positioning hole to limit the rotation of the footrest platform relative to the base.

7. The stair climber according to any one of claims 1 to 6, characterized in that: It also includes an elastic rope connected between the two footrest members.

8. The stair-climbing machine according to claim 7, wherein: It comprises at least two elastic ropes, the pedal comprises a base, and the two bases are each provided with at least two elastic rope mounting parts, the elastic rope mounting parts comprise connecting holes for the elastic ropes to pass through, and the two ends of the elastic ropes are respectively and detachably mounted on the connecting holes of the two bases.

9. The stair climbing machine according to claim 1, wherein: The bracket includes a front supporting foot and a rear supporting foot, the front supporting foot is arranged vertically, and the rear supporting foot can be rotatably set on the front supporting foot between a tilted state and a folded state, the lower end of the rear supporting foot in the tilted state is tilted and supported on the ground, and the rear supporting foot in the folded state is rotated to overlap or roughly overlap with the front supporting foot, and the rear supporting foot includes the two rails.

10. The stair climbing machine according to claim 9, wherein: The upper end of the front supporting foot is provided with an armrest for the user to grasp, and the armrest includes two plug rods arranged at intervals and a handle connected between the two plug rods. The upper end of the front supporting foot is provided with two plug tubes, and the plug rod can be movably inserted in the plug tubes between the use position and the folded position. When the plug rod is in the use position, the plug tube is located at the lower end of the plug rod. When the plug rod is in the folded position, the plug rod is located at the upper end or approximately the upper end of the plug rod. It also includes a fastener for limiting the two plug rods to the use position or the folded position.

11. The stair climbing machine according to claim 10, wherein: The fastener is a first fastening bolt, and a first threaded hole matched with the first fastening bolt is formed on the outer peripheral surface of the insertion tube. The first fastening bolt can pass through the first threaded hole and tighten the insertion rod to limit the movement of the insertion rod.

12. The stair climbing machine according to claim 9, wherein: The front support feet include two horizontal pipes arranged at intervals up and down and a vertical pipe connected between the two horizontal pipes. The vertical pipe includes a first pipe body and a second pipe body. The second pipe body is inserted into the first pipe body. A second threaded hole is formed on the outer peripheral surface of the first pipe body. A second fastening bolt is further included. The second fastening bolt can pass through the second threaded hole and press against the second pipe body to limit the relative movement of the second pipe body with respect to the first pipe body.

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