Stair climbing machine capable of adjusting gradient

Abstract

The utility model relates to the technical field of stair climbing machines, and discloses a stair climbing machine with adjustable gradient, which comprises an inclined support frame and a pedal frame assembly, the lower end of the support frame and the lower end of the pedal frame assembly are used for supporting the ground, the upper end of the pedal frame assembly is fixedly provided with a sliding sleeve, and the sliding sleeve is sleeved on the support frame in a sliding manner. A positioning mechanism is arranged between the sliding sleeve and the supporting frame and comprises first positioning holes, second positioning holes and positioning pins, the first positioning holes are formed in the supporting frame and distributed in the length direction of the supporting frame, the second positioning holes are formed in the sliding sleeve, and the positioning pins are detachably connected with the first positioning holes; and during positioning, the second positioning hole is aligned with one of the first positioning holes. According to the stair climbing machine capable of adjusting the gradient, the stair climbing gradient and the position of the handle rod can be correspondingly adjusted according to movement requirements, various movement modes are achieved so as to meet different movement requirements, adjusting operation is convenient, and use experience is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stair climbing machine technical field, specifically, adjustable gradient's stair climbing machine. BACKGROUND

[0002] Fitness needs to use fitness equipment to assist exercise, the stair climbing simulation fitness device (stair climbing machine) belongs to one kind of fitness equipment, but the existing stair climbing simulation fitness device when using, the gradient when climbing cannot be adjusted or is inconvenient to adjust, the function is single, cannot satisfy the different fitness needs of users, and the use experience is poor. UTILITY MODEL CONTENTS

[0003] In order to solve at least one aspect in the above problem, the utility model provides a kind of adjustable gradient's stair climbing machine, comprising: the support frame and pedal frame assembly of inclined arrangement, the lower end of the support frame and the lower end of the pedal frame assembly are used to support ground, the upper end of the pedal frame assembly is fixedly provided with sliding sleeve, the sliding sleeve is slidably sleeved on the support frame, positioning mechanism is arranged between the sliding sleeve and the support frame, the positioning mechanism includes first positioning hole, second positioning hole and positioning pin, the first positioning hole is arranged on the support frame, the first positioning hole is provided with multiple and is distributed along the length direction of the support frame, the second positioning hole is arranged on the sliding sleeve, the positioning pin is detachably connected with the first positioning hole;Positioning when the second positioning hole is aligned with one of the first positioning hole, the positioning pin is penetrated through the second positioning hole and is connected with the aligned first positioning hole corresponding;The utility model adjustable gradient's stair climbing machine, can be adjusted according to the motion requirement corresponding to the position of the handle rod of the climbing gradient, with multiple motion modes, to meet the different motion needs, adjustment operation is convenient, and the use experience is good.

[0004] Optionally, one end of the positioning pin is provided with a rotating handle, the positioning pin is threadedly connected with the first positioning hole, the positioning pin is provided with external thread, and the first positioning hole is provided with internal thread corresponding to the external thread.

[0005] Optionally, the sliding sleeve is connected with a first hinged shaft, the pedal frame assembly is provided with a hinged frame hinged with the first hinged shaft, the first hinged shaft is provided with a connecting plate, the connecting plate is provided with a first through hole, the pedal frame assembly is provided with a first threaded hole and a first hand screw bolt, one end of the first hand screw bolt is penetrated through the first through hole and is threadedly connected with the first threaded hole, and the first through hole is a waist-shaped hole.

[0006] Optionally, the pedal frame assembly comprises a pedal support and two pedal components slidingly arranged on the pedal support, the pedal components comprising a sliding frame and a pedal, the sliding frame being slidingly arranged on the pedal support, the pedal being hinged with the sliding frame through a second hinge shaft, a positioning pin being detachably inserted between the pedal and the sliding frame, the sliding frame being provided with a second through hole corresponding to the positioning pin, the pedal being provided with a third through hole corresponding to the positioning pin, the third through hole being provided with a plurality of third through holes and being distributed along a circular arc track, the center of the circular arc track and the axis of the second hinge shaft being coincident, one of the third through holes being aligned with the second through hole, the positioning pin penetrating the second through hole and the aligned third through hole to position the pedal and the sliding frame.

[0007] Optionally, one end of the positioning pin is provided with a spring type positioning bead, and the other end of the positioning pin is provided with a pull ring.

[0008] Optionally, the sliding frame is rotatably provided with a first roller and a second roller, the first roller being arranged on the upper side of the pedal support, and the second roller being arranged on the lower side of the pedal support.

[0009] Optionally, the pedal support comprises two parallel support rods, the sliding frame being provided with two sliding frames and being arranged on the two support rods respectively, the upper part of the support rod being provided with a connecting column and a rotatable third roller, the lower part of the support rod being rotatably provided with a fourth roller, the support rod being provided with a elastic rope, one end of the elastic rope being connected with the connecting column, the other end of the elastic rope being connected with the sliding frame after passing through the fourth roller, the rigid rope being arranged between the two support rods, one end of the rigid rope being connected with one of the sliding frames and the other end of the rigid rope being connected with the other sliding frame after passing through the third roller.

[0010] Optionally, the upper part of the support frame is provided with a connecting rod and a handle rod, the connecting rod being connected between the support frame and the handle rod, the lower part of the handle rod being hinged with the upper part of the connecting rod, the handle rod being provided with a fourth through hole and a fifth through hole, the connecting rod being provided with a second threaded hole corresponding to the fourth through hole and a third threaded hole corresponding to the fifth through hole, the connecting rod being detachably provided with a second hand screw, the second hand screw penetrating the fourth through hole and being threadedly connected with the second threaded hole when the fourth through hole is aligned with the second threaded hole, the second hand screw penetrating the fifth through hole and being threadedly connected with the third threaded hole when the fifth through hole is aligned with the third threaded hole.

[0011] Optionally, the lower part of the connecting rod is hinged with the upper part of the support frame, and the connecting rod and the support frame are positioned by a third hand screw.

[0012] Optionally, the lower end of the support frame is provided with a first universal foot, and the lower end of the pedal frame assembly is provided with a second universal foot.

[0013] With respect to the prior art, the adjustable gradient stair climbing machine can adjust the stair climbing gradient and the position of the handle rod according to the movement demand, is convenient to operate, and has good use experience; under various stair climbing gradients, the pedal can be adjusted to be horizontal according to the movement demand, and the pedal is stable to step on; one end of the positioning pin is provided with a spring type positioning bead, the positioning pin is positioned through the spring type positioning bead after being inserted, the positioning pin is prevented from being mistakenly pulled out, and the use is reliable; the other end of the positioning pin is provided with a pull ring, the pull ring is convenient to disassemble the positioning pin; the position of the handle rod can be adjusted according to the demand, so that the human body can be supported stably; the stair climbing machine is divided into a ladder mode, an inclined plane mode and a skiing mode according to the stair climbing gradient from large to small, the second hand screw bolt penetrates through the fourth through hole and is screw connected with the second threaded hole in the ladder mode and the inclined plane mode; the second hand screw bolt penetrates through the fifth through hole and is screw connected with the third threaded hole in the skiing mode, various movement modes are provided, different movement demands are met, the lower end of the support frame is provided with the first universal foot, and the lower end of the pedal frame assembly is provided with the second universal foot, so that the support frame and the pedal frame assembly can be stably supported on the ground under the stair climbing gradient of different gears, the falling is avoided, and the use is reliable. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the adjustable gradient stair climbing machine ladder mode of the utility model;

[0015] Figure 2 It is a structure schematic view of the bottom of the adjustable gradient stair climbing machine of the utility model;

[0016] Figure 3 It is Figure 2 It is an enlarged view of A part;

[0017] Figure 4 It is Figure 2 It is an enlarged view of B part;

[0018] Figure 5 It is a structure schematic view of the first positioning hole of the adjustable gradient stair climbing machine of the utility model;

[0019] Figure 6 It is a structure schematic view of the second positioning hole of the adjustable gradient stair climbing machine of the utility model;

[0020] Figure 7 It is a structure schematic view of the connecting plate of the adjustable gradient stair climbing machine of the utility model;

[0021] Figure 8 It is a structure schematic view of the handle rod of the adjustable gradient stair climbing machine of the utility model;

[0022] Figure 9 Structure diagram of third through hole of the adjustable gradient stair climbing machine of the utility model;

[0023] Figure 10 Structure diagram of the adjustable gradient stair climbing machine in slope mode of the utility model;

[0024] Figure 11 Structure diagram of the adjustable gradient stair climbing machine in skiing mode of the utility model;

[0025] Figure 12 Structure diagram of the positioning pin of the adjustable gradient stair climbing machine of the utility model;

[0026] Corresponding component names of various reference numerals in the figure are as follows: 1 is a support frame, 101 is a first positioning hole, 2 is a pedal frame assembly, 20 is a hinged frame, 201 is a first threaded hole, 202 is a first hand screw bolt, 21 is a sliding sleeve, 211 is a second positioning hole, 212 is a first hinged shaft, 213 is a connecting plate, 2131 is a first through hole, 22 is a pedal support, 220 is a supporting rod, 221 is a connecting column, 222 is a third roller, 223 is a fourth roller, 23 is a sliding frame, 231 is a second through hole, 24 is a pedal, 241 is a third through hole, 25 is a second hinged shaft, 26 is a positioning pin, 261 is a spring type positioning bead, 262 is a pull ring, 27 is a first roller, 28 is a second roller, 291 is a elastic rope, 292 is a rigid rope, 3 is a positioning pin, 301 is a rotating handle, 4 is a connecting rod, 41 is a second threaded hole, 43 is a second hand screw bolt, 5 is a handle rod, 51 is a fourth through hole, 52 is a fifth through hole, 6 is a third hand screw bolt, 7 is a first universal support leg, and 8 is a second universal support leg. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings.

[0028] In the description of the utility model, it is understood that the terms "upper", "lower" and the like indicate the orientation or positional relationship based on the orientation or positional relationship when the product is normally used.

[0029] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features.

[0030] Reference Figures 1-12The utility model embodiment provides a kind of adjustable gradient's stair climbing machine, comprising: the support frame 1 and pedal frame component 2 of inclination setting, the lower end of support frame 1 and the lower end of pedal frame component 2 are used to support ground, the upper end of pedal frame component 2 is fixedly provided with sliding sleeve 21, sliding sleeve 21 is slidably sleeved on support frame 1, positioning mechanism is arranged between sliding sleeve 21 and support frame 1, positioning mechanism includes first positioning hole 101, second positioning hole 211 and positioning pin 3, first positioning hole 101 is set on support frame 1, first positioning hole 101 is provided with multiple and along the length direction distribution of support frame 1, second positioning hole 211 is set to sliding sleeve 21, positioning pin 3 is detachably connected with first positioning hole 101, first positioning hole 101 is provided with three in the embodiment, respectively located support frame 1 upper portion, middle and lower position, to adjust three gear by demand to the stair climbing gradient;Second positioning hole 211 is aligned with one of first positioning hole 101 when positioning, positioning pin 3 penetrates second positioning hole 211 and is connected with the corresponding first positioning hole 101 of alignment;The utility model adjustable gradient's stair climbing machine can be adjusted according to the motion requirement corresponding stair climbing gradient and the position of handle rod, with multiple exercise modes, to meet different exercise needs, adjustment operation is convenient, and use experience is good.

[0031] Reference Figures 1-9, one end of the positioning pin 3 is provided with a rotating handle 301, which is convenient to disassemble and assemble during adjustment and easy to operate; the positioning pin 3 is in threaded connection with the first positioning hole 101, the positioning pin 3 is provided with external threads, and the first positioning hole 101 is provided with internal threads corresponding to the external threads; the sliding sleeve 21 is connected with a first hinged shaft 212, the pedal frame assembly 2 is provided with a hinged frame 20 hinged with the first hinged shaft 212, the first hinged shaft 212 is provided with a connecting plate 213, the connecting plate 213 is provided with a first through hole 2131, the pedal frame assembly 2 is provided with a first threaded hole 201 and a first hand screw 202, one end of the first hand screw 202 penetrates through the first through hole 2131 and is in threaded connection with the first threaded hole 201, and the first through hole 2131 is a waist-shaped hole, so that the sliding sleeve 21 and the pedal frame assembly 2 can be adaptively rotated when the climbing slope is adjusted; the pedal frame assembly 2 comprises a pedal support 22 and two pedal components slidingly arranged on the pedal support 22, and the pedal components are used for simulating the action of climbing stairs by left and right feet of a human body; the pedal component comprises a sliding frame 23 and a pedal 24, the sliding frame 23 is slidingly arranged on the pedal support 22, the pedal 24 is hinged with the sliding frame 23 through a second hinged shaft 25, the pedal 24 and the sliding frame 23 are detachably inserted with a positioning pin 26, the sliding frame 23 is provided with a second through hole 231 corresponding to the positioning pin 26, the pedal 24 is provided with a third through hole 241 corresponding to the positioning pin 26, the third through hole 241 is provided with a plurality of third through holes 241 and is distributed along a circular arc track, the center of the circular arc track and the axis of the second hinged shaft 25 coincide, one of the third through holes 241 is aligned with the second through hole 231, and the positioning pin 26 penetrates through the second through hole 231 and the aligned third through hole 241, so that the pedal 24 and the sliding frame 23 are positioned; under various climbing slopes, the pedal 24 can be adjusted to be horizontal according to the movement requirement, and the pedal is stable; in the embodiment, the third through hole 241 is provided with three third through holes 241 corresponding to three different modes.

[0032] Referring to Figure 9 and Figure 12 , one end of the positioning pin 26 is provided with a spring type positioning bead 261, the positioning pin 26 is positioned by the spring type positioning bead 261 after being inserted, the positioning pin 26 is prevented from being mistakenly pulled out, and the use is reliable; the other end of the positioning pin 26 is provided with a pull ring 262, the pull ring is convenient for disassembling the positioning pin 26; the sliding frame 23 is rotatably provided with a first roller 27 and a second roller 28, in the embodiment, the first roller 27 is provided with two first rollers 27, the two first rollers 27 and the second roller 28 are distributed in a triangular apex position, the structure is stable and reliable, the first roller 27 is arranged on the upper side of the pedal support 22, and the second roller 28 is arranged on the lower side of the pedal support 22, and the sliding frame slides smoothly.

[0033] Referring to Figure 1 , Figure 2 , Figure 3 ,Figure 4 and Figure 9 , the pedal support 22 comprises two parallel support rods 220, the sliding frame 23 is provided with two and is respectively arranged on the two support rods 220, the upper part of the support rod 220 is provided with a connecting column 221 and a rotatable third roller 222, the lower part of the support rod 220 is rotatably provided with a fourth roller 223, the support rod 220 is provided with a elastic rope 291, one end of the elastic rope 291 is connected with the connecting column 221, the other end of the elastic rope 291 is connected with the sliding frame 23 after winding around the fourth roller 223, the rigid rope 292 is arranged between the two support rods 220, one end of the rigid rope 292 is connected with one of the sliding frames 23 and is connected with the other sliding frame 23 after winding around the two third rollers 222; the two pedals can be alternately slid up and down through the rigid rope 292, so as to simulate the action of climbing stairs, the sliding frame has a downward elastic force through the elastic rope 291, so that the rigid rope 292 is in a tension state, so as to improve the continuity of the climbing action.

[0034] Referring to Figure 1 , Figure 2 , Figure 7 and Figure 8 , the upper part of the support frame 1 is provided with a connecting rod 4 and a handle rod 5, the handle rod 5 is convenient for the human body to hold, so as to keep balance during the climbing movement of the human body and use safely; the connecting rod 4 is connected between the support frame 1 and the handle rod 5, the lower part of the handle rod 5 is hinged to the upper part of the connecting rod 4, the handle rod 5 is provided with a fourth through hole 51 and a fifth through hole 52, the connecting rod 4 is provided with a second threaded hole 41 corresponding to the fourth through hole 51 and a third threaded hole 42 corresponding to the fifth through hole 52, the connecting rod 4 is detachably provided with a second hand screw 43, when the fourth through hole 51 is aligned with the second threaded hole 41, the second hand screw 43 penetrates through the fourth through hole 51 and is threadedly connected with the second threaded hole 41; when the fifth through hole 52 is aligned with the third threaded hole 42, the second hand screw 43 penetrates through the fifth through hole 52 and is threadedly connected with the third threaded hole 42, so as to adjust the position of the handle rod 5 according to the needs, so that the human body can hold steadily; the climbing machine is divided into a ladder mode, an inclined slope mode and a skiing mode according to the climbing slope from large to small, the second hand screw 43 penetrates through the fourth through hole 51 and is threadedly connected with the second threaded hole 41 in the ladder mode and the inclined slope mode; the second hand screw 43 penetrates through the fifth through hole 52 and is threadedly connected with the third threaded hole 42 in the skiing mode; the lower part of the connecting rod 4 is hinged to the upper part of the support frame 1, the connecting rod 4 and the support frame 1 are positioned by a third hand screw 6, after the third hand screw 6 is disassembled, the connecting rod 4 and the support frame 1 can be rotated and folded, so as to be stored.

[0035] Referring to Figure 1The lower end of the support frame 1 is provided with a first universal foot 7, and the lower end of the pedal frame assembly 2 is provided with a second universal foot 8, so that the support frame 1 and the pedal frame assembly 2 can be stably supported on the ground under different gear climbing slopes, and the use is reliable.

[0036] The adjustable gradient climbing machine can adjust the climbing gradient and the position of the handle rod according to the movement demand, is convenient to adjust and operate, has good use experience, the pedal can be adjusted to be horizontal according to the movement demand under various climbing gradients, and the pedal is stable to step on; one end of the positioning pin is provided with a spring type positioning bead, the positioning pin is positioned through the spring type positioning bead after being inserted, the positioning pin is prevented from being mistakenly pulled out, and the use is reliable; the other end of the positioning pin is provided with a pull ring, the pull ring is convenient to disassemble the positioning pin; the position of the handle rod can be adjusted according to the demand, so that the human body can be supported stably; the climbing machine is divided into a ladder mode, an inclined slope mode and a skiing mode according to the climbing gradient from large to small, the second hand screw bolt penetrates through the fourth through hole and is screw-connected with the second threaded hole in the ladder mode and the inclined slope mode; the second hand screw bolt penetrates through the fifth through hole and is screw-connected with the third threaded hole in the skiing mode, various movement modes are formed, different movement demands are met, the lower end of the support frame is provided with the first universal foot, and the lower end of the pedal frame assembly is provided with the second universal foot, so that the support frame and the pedal frame assembly can be stably supported on the ground under different gear climbing gradients, and the use is reliable.

[0037] The above only describes preferred embodiments of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. An adjustable gradient stair climber, characterized by, The utility model relates to a support frame (1) and pedal frame assembly (2) are arranged in the inclination, the lower end of support frame (1) and the lower end of pedal frame assembly (2) are used to support ground, the upper end of pedal frame assembly (2) is fixedly provided with sliding sleeve (21), sliding sleeve (21) is sleeved on support frame (1), and positioning mechanism is arranged between sliding sleeve (21) and support frame (1), positioning mechanism includes first positioning hole (101), second positioning hole (211) and positioning pin (3), first positioning hole (101) is arranged on support frame (1), first positioning hole (101) is provided with a plurality of and is distributed along the length direction of support frame (1), second positioning hole (211) is arranged on sliding sleeve (21), and positioning pin (3) is detachably connected with first positioning hole (101), when positioning, second positioning hole (211) is aligned with one of first positioning hole (101), and positioning pin (3) penetrates second positioning hole (211) and is connected with the corresponding first positioning hole (101) of alignment. One end of positioning pin (3) is provided with rotating handle (301), positioning pin (3) is threadedly connected with first positioning hole (101), positioning pin (3) is provided with external thread, and first positioning hole (101) is provided with internal thread corresponding with external thread.

2. The adjustable slope stair climber of claim 1, wherein, First articulation shaft (212) is connected on sliding sleeve (21), hinged frame (20) is arranged on pedal frame assembly (2) and is hinged with first articulation shaft (212), connecting plate (213) is arranged on first articulation shaft (212), first through hole (2131) is arranged on connecting plate (213), first threaded hole (201) and first hand screw bolt (202) are arranged on pedal frame assembly (2), one end of first hand screw bolt (202) penetrates first through hole (2131) and is threadedly connected with first threaded hole (201), and first through hole (2131) is a waist-shaped hole.

3. The adjustable slope stair climber of claim 1, wherein, ​ 4. The adjustable slope stair climber of claim 1, wherein, The pedal frame assembly (2) comprises a pedal support (22) and two pedal components slidingly arranged on the pedal support (22), the pedal components comprising a sliding frame (23) slidingly arranged on the pedal support (22) and a pedal (24) hingedly connected with the sliding frame (23) through a second hinge shaft (25), the pedal (24) and the sliding frame (23) being detachably inserted with a positioning pin (26), the sliding frame (23) being provided with a second through hole (231) corresponding to the positioning pin (26), the pedal (24) being provided with a third through hole (241) corresponding to the positioning pin (26), the third through hole (241) being provided with a plurality of third through holes (241) and being distributed along a circular arc track, the center of the circular arc track and the axis of the second hinge shaft (25) being coincident, one of the third through holes (241) being aligned with the second through hole (231), and the positioning pin (26) penetrating the second through hole (231) and the aligned third through hole (241) to position the pedal (24) and the sliding frame (23).

5. The adjustable slope stair climber of claim 4, wherein, One end of the positioning pin (26) is provided with a spring type positioning bead (261), and the other end of the positioning pin (26) is provided with a pull ring (262).

6. The adjustable slope stair climber of claim 4, wherein, The sliding frame (23) is rotatably provided with a first roller (27) and a second roller (28), the first roller (27) being arranged on the upper side of the pedal support (22), and the second roller (28) being arranged on the lower side of the pedal support (22).

7. The adjustable slope stair climber of claim 4, wherein, The pedal support (22) comprises two parallel support rods (220), the sliding frame (23) being arranged on the two support rods (220), the upper part of the support rod (220) being provided with a connecting column (221) and a rotatable third roller (222), the lower part of the support rod (220) being rotatably provided with a fourth roller (223), the support rod (220) being provided with an elastic rope (291), one end of the elastic rope (291) being connected with the connecting column (221), the other end of the elastic rope (291) being connected with the sliding frame (23) after passing around the fourth roller (223), and the two support rods (220) being provided with a rigid rope (292), one end of the rigid rope (292) being connected with one of the sliding frames (23) and the other end of the rigid rope (292) being connected with the other sliding frame (23) after passing around the two third rollers (222).

8. The adjustable slope stair climber of claim 1, wherein, The upper portion of the support frame (1) is provided with a connecting rod (4) and a handle rod (5), the connecting rod (4) is connected between the support frame (1) and the handle rod (5), the lower portion of the handle rod (5) is hinged to the upper portion of the connecting rod (4), the handle rod (5) is provided with a fourth through hole (51) and a fifth through hole (52), the connecting rod (4) is provided with a second threaded hole (41) corresponding to the fourth through hole (51) and a third threaded hole (42) corresponding to the fifth through hole (52), the connecting rod (4) is detachably provided with a second hand screw bolt (43), when the fourth through hole (51) is aligned with the second threaded hole (41), the second hand screw bolt (43) penetrates the fourth through hole (51) and is threadedly connected with the second threaded hole (41); when the fifth through hole (52) is aligned with the third threaded hole (42), the second hand screw bolt (43) penetrates the fifth through hole (52) and is threadedly connected with the third threaded hole (42).

9. The adjustable slope stair climber of claim 8, wherein, The lower portion of the connecting rod (4) is hinged to the upper portion of the support frame (1), and the connecting rod (4) and the support frame (1) are positioned by a third hand screw bolt (6).

10. A stepless stair climber according to any one of claims 1-9, characterized in that The lower end of the support frame (1) is provided with a first universal foot (7), and the lower end of the pedal frame assembly (2) is provided with a second universal foot (8).

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