TWI798131B - Curved step machine - Google Patents

Abstract

A curved step machine, comprising: a frame system including a base, a front bracket and a rear bracket, a handle is provided on the front bracket; a driving mechanism includes a gear box and two actuating rods, and the gear box includes an input shaft 1. Two one-way bearings and one output shaft. The two one-way bearings are connected to both ends of the input shaft. A plurality of meshing gears are provided between the input shaft and the output shaft. One end of the two actuating rods is connected to the two On the one-way bearing, two pedals are combined at the other end; a resistance mechanism is connected to the output shaft to be driven by the gearbox and generate a resistance; a linkage mechanism is combined with the rear bracket and the two actuating rods for one side When the actuating rod swings down, the actuating rod on the other side swings up; in this way, it can avoid the feeling of resistance and not smooth when using it, and can make the structure more streamlined.

Description

Curved step machine

The invention relates to the technical field of training equipment used for training the muscle strength and explosive power of the leg muscles when running and sprinting, especially a kind of equipment that can avoid the feeling of resistance being unsmooth when using it, and can make the structure A more streamlined curved step machine.

A known structure of the curved step machine, as shown in the Taiwan Publication No. I766793 "Leg Training Machine" invention patent (please refer to the patent for the figure numbers in the previous case below, and the symbol description in this case will not be marked separately), when the When the pedal 22 is stepped down on the initial stage, the tension generated when the two belts 34 are stressed will stretch the two tension pulleys 35 outward respectively, and thus the two swing arms 350 will swing to stretch the two tension elastic bodies. 351, and the two tension elastic bodies 351 are suddenly stretched and the two tension pulleys 35 are suddenly stretched to make the tension of the two belts 34 suddenly smaller, which will cause the pedal 22 to be stepped on downwards initially. There will be a sense of stepping on air with a sudden decrease in resistance, causing both feet to alternately and continuously step down on the two pedals 22 to make the two actuating rods 21 swing up and down, and there will be a sense of disobedience that the resistance is not smooth. Moreover, the two chains 24 and the two sprockets 23 more or less have a slight fit tolerance, so it will further increase the feeling of stopping and stopping during use. In particular, the known zigzag machine utilizes the two chains 24 to drive the two sprockets 23, and uses the two driving elastic bodies 25 connected at one end of the two chains 24 as a fixed resistance mode, and utilizes the two belts 34 to wind The first pulley 31 and the first small pulley 320 and the second pulley 32 and the second small pulley 330 are used as the mode of interlocking the magnetic control flywheel 33, which not only has poor precision but also makes the action less accurate and further increases Pause and stop when pedaling The feeling of power is not smooth, and it will make the structure very complicated.

In view of this, the present inventors aimed at the above-mentioned problems, conceived deeply, and actively researched and improved trial production to develop and design the present invention.

The main purpose of the present invention is to solve the problems that the structure of the conventional curved step machine has a feeling of pauses during use and the overall structure is very complicated.

The invention provides a curved step machine, which includes a frame, a driving mechanism, a resistance mechanism and a linkage mechanism. Wherein, the frame includes a base, a front support and a rear support combined on the front and rear sides of the base, and a handle is provided on the front support for the user's hands to lean on. The driving mechanism includes a gear box and two actuating rods, the gear box is combined on the rear bracket, and includes an input shaft, an input gear, two one-way bearings, an output gear and multiple connecting gear sets, the input shaft It can rotate in the gear box. The input gear is fixedly combined with the input shaft. The two one-way bearings are combined with the two ends of the input shaft to drive the input shaft to rotate in one direction. The output gear is rotatably combined with the input shaft. There is an output shaft protruding out of the gearbox in the gearbox. The plurality of connecting gear sets are arranged between the input gear and the output gear and are respectively meshed with the two for connecting the two. The two actuating rods are respectively connected at one end On the two one-way bearings, the other end is combined with two pedals which can rotate freely. The resistance mechanism is arranged on the rear bracket and connected with the output shaft, and can be driven by the gear box to generate a resistance. The resistance mechanism includes a flywheel, a movable damper and a control line. One end of the flywheel combined with the output shaft can be driven by the output shaft to rotate synchronously. The magnetic block can be close to or away from the underside of the flywheel by swinging to increase or decrease the number of magnetic blocks that exert a magnetic force on the flywheel, so as to achieve the purpose of adjusting resistance. The linkage mechanism is combined with the rear bracket and the two works Between the moving rods, when the moving rod on one side swings down, the moving rod on the other side swings up.

In the curved step machine provided by the present invention, the user can put both hands on the handrail, step on the two pedals with both feet, so as to form a posture of running and sprinting. Then, the two actuating rods are alternately stepped down to make the two actuating rods swing up and down, and then the flywheel of the resistance mechanism is rotated through the gear box, and the rotation resistance of the flywheel is adjusted magnetically by controlling the movable damped swing. It can effectively exercise the muscle strength and explosive power of the leg muscles when running and sprinting. In particular, the use of the meshing linkage of the plurality of gears in the gear box can make the movement more precise and reliable without the feeling of stepping on the air, so it can improve the conventional shortcoming of the movement that is not smooth when the movement is paused and stopped. In particular, the overall structure is relatively streamlined.

10: Rack

11: base

12: Front bracket

120: handle

121: Resistance controller

13: Rear bracket

130: Cushion

20: Driving mechanism

21: Gearbox

210: input shaft

211: input gear

212: One-way bearing

213: output gear

214: connecting gear set

215: output shaft

22: Actuating rod

220: Pedal

30: resistance mechanism

31: flywheel

32: Fixed damping

33:Active damping

34: Control line

40: linkage mechanism

41: Rotary arm

42: Linkage

43: Connecting rod

[Fig. 1] is a three-dimensional schematic view of the present invention.

[Fig. 2] is a schematic perspective view of the other side of the present invention.

[Fig. 3] is a schematic view of the front side of the present invention.

[Fig. 4] is a schematic diagram of the rear side of the present invention.

[Fig. 5] is a three-dimensional enlarged schematic diagram of the inside of the gear box and the resistance mechanism of the present invention.

[Fig. 6] is a three-dimensional enlarged schematic view of the inside of the gear box and the other side of the resistance mechanism of the present invention.

[Fig. 7] is a schematic diagram of the resistance adjustment action of the present invention.

[Fig. 8] is a schematic diagram of the use state of the present invention.

Please refer to Fig. 1 to Fig. 8, which show that the curved step machine according to the present invention includes a frame 10, a driving mechanism 20, a resistance mechanism 30 and a linkage mechanism 40, wherein: The frame 10 includes a base 11 and a front bracket 12 and a rear bracket 13 combined at the front and rear sides of the base 11 . The front support 12 is provided with a handrail 120 for the user to lean on with both hands, and the upper end of the rear support 13 is provided with a seat cushion 130 for the user to sit on. In addition, the front bracket 12 is provided with a resistance controller 121 for adjusting the resistance of the resistance mechanism 30 .

The driving mechanism 20 includes a gear box 21 and two actuating rods 22 . The gear box 21 is combined with the rear bracket 13 and includes an input shaft 210 , an input gear 211 , two one-way bearings 212 , an output gear 213 and a plurality of connecting gear sets 214 . The input shaft 210 is rotatable in the gear box 21 , and both ends protrude from the outside of the gear box 21 . The input gear 211 is fixedly combined with the input shaft 210 and is located inside the gear box 21 . The two one-way bearings 212 are combined with two ends of the input shaft 210 and located outside the gear box 21 to drive the input shaft 210 to rotate in one direction. The output gear 213 is rotatably combined in the gear box 21 and has an output shaft 215 extending out of the gear box 21 . The plurality of connecting gear sets 214 are arranged in the gear case 21, and are arranged between the input gear 211 and the output gear 213, and are respectively meshed with the two for connecting the two, and the plurality of connecting gear sets 214 are respectively It includes a small gear and a large gear, and the gear ratio matching system of the input gear 211, the output gear 213 and the plurality of linked gear sets 214 can produce the effect of speed-up. One end of these two actuating rods 22 is respectively combined on the two one-way bearings 212, and the other end is combined with two pedals 220 that can rotate freely, so that when the two actuating rods 22 swing up and down, they can be driven by the two one-way bearings 212. Drive the input shaft 210 to rotate in one direction.

The resistance mechanism 30 is arranged on the rear bracket 13 and can be driven by the two actuating rods 22 to generate a resistance. The resistance mechanism 30 includes a flywheel 31 , a fixed damper 32 , a movable damper 33 and a control wire 34 . The flywheel 31 is made of aluminum, and is combined with the end of the output shaft 215 protruding from the gear box 21 , and can be driven by the output shaft 215 to rotate synchronously. The fixed damper 32 is combined with the rear bracket 13, and has a plurality of magnetic blocks arranged side by side to generate a magnetic force on one side of the flywheel 31 to form a fixed resistance. One end of the movable damper 33 is swingably combined with the rear bracket 13, and has a plurality of magnetic blocks arranged side by side, which can approach or move away from the underside of the flywheel 31 by swinging, so as to increase or decrease the magnetic effect on the flywheel 31. The number of magnetic blocks, so as to achieve the purpose of adjusting resistance. One end of the control line 34 is connected to the resistance controller 121, and the other end is connected to the movable damper 33, so that the resistance controller 121 can control the swing amount of the movable damper 33 through the control line 34, thereby achieving the purpose of adjusting the resistance. Purpose.

This linkage mechanism 40 is combined on the rear bracket 13 in a swingable manner, and connects the two actuating rods 22, so that when the actuating rod 22 on one side swings down, the actuating rod 22 on the other side swings up. The linkage mechanism 40 includes two swing arms 41 , a linkage 42 and two linkages 43 . One end of the two swing arms 41 is swingably combined with the rear bracket 13 . The linkage 42 is connected to the two swing arms 41 , so that when one swing arm 41 swings down, the other swing arm 41 swings up. One end of the two connecting rods 43 is rotatably connected to the two actuating rods 22, and the other end is rotatably connected to the other end of the two swing arms 41, so that the two actuating rods 22 can be connected by the two connecting rods 43. Drive the two swing arms 41 to swing.

In this way, the user can put both hands on the handrail 120 and step on the two pedals 220 with both feet to form a posture of running and sprinting. Then, the two actuating levers 22 swing up and down by alternately stepping down with both feet, and then the flywheel 31 of the resistance mechanism 30 is driven through the gear box 21 to rotate, and the movable damper 33 is controlled to swing to magnetically adjust the The rotation resistance of the flywheel 31 can effectively exercise the muscle strength and explosive power of the leg muscles when running and sprinting. In particular, utilizing the meshing linkage of the plurality of gears in the gear box 21 can make the action more precise and reliable without the feeling of stepping on the air, so it can improve the conventional shortcoming of the movement being paused. In particular, the overall structure is relatively streamlined. Moreover, the cushion 130 on the frame 10 can be used for rest during training.

Therefore, the present invention has great value for industrial use, novelty and advancement, and can truly meet the application requirements for invention patents, so please file an application according to the law.

10: Rack

11: base

12: Front bracket

120: handle

121: Resistance controller

13: Rear bracket

130: Cushion

20: Driving mechanism

21: Gearbox

210: input shaft

212: One-way bearing

215: output shaft

22: Actuating rod

220: Pedal

30: resistance mechanism

31: flywheel

32: Fixed damping

33:Active damping

34: Control line

40: linkage mechanism

41: Rotary arm

42: Linkage

43: Connecting rod

Claims (7)

A curved step machine, comprising: A frame, including a base, a front support and a rear support combined on the front and rear sides of the base, and a handle is provided on the front support for the user's hands to lean on; A drive mechanism, including a gear box and two actuating rods, the gear box is combined on the rear bracket, and includes an input shaft, an input gear, two one-way bearings, an output gear and a plurality of connecting gear sets, the input The shaft can rotate in the gearbox. The input gear is fixedly combined with the input shaft. The two one-way bearings combined with the two ends of the input shaft can drive the input shaft to rotate in one direction. The output gear is rotatably combined with the The gear box has an output shaft protruding from the outside of the gear box. The plurality of connecting gear sets are arranged between the input gear and the output gear and are respectively meshed with the two for connecting the two. The two actuating rods have one end respectively. Combined with the two one-way bearings, the other end is combined with two pedals that can rotate freely; a resistance mechanism, which is arranged on the rear bracket and connected to the output shaft, can be driven by the gear box and generate a resistance; and A linkage mechanism is combined between the rear bracket and the two actuating rods, which can be used to link the actuating rod on the other side to swing up when the actuating rod on one side swings down. The walking machine as described in Claim 1, wherein a cushion is provided on the upper end of the rear support for the user to sit on. The curved step machine as described in Claim 1, wherein each of the plurality of connected gear trains includes a small gear and a large gear. As described in claim 1, wherein the gear box can be used by the The gear ratios of the input gear, the output gear and the plurality of connected gear sets are matched to make it a speed-increasing gearbox capable of producing a speed-up effect. The step machine as described in claim 1, wherein a resistance controller is provided on the front bracket, and the resistance mechanism includes a flywheel, a movable damper and a control line, and the flywheel is combined with one end of the output shaft to be output by the The shaft is driven to rotate synchronously. One end of the movable damping system is swingably combined with the rear bracket and has a plurality of magnetic blocks. By swinging, it can approach or move away from the underside of the flywheel to increase or decrease the magnetic blocks that exert a magnetic force on the flywheel. In order to achieve the purpose of adjusting the resistance, one end of the control line is connected to the resistance controller, and the other end is connected to the active damper, so that the resistance controller can control the swing amount of the active damper through the control line. The zigzagging machine as described in claim 5, wherein the resistance mechanism includes a fixed damper, the fixed damper is combined with the rear bracket, and has a plurality of parallel magnetic blocks that can generate a magnetic force on one side of the flywheel to form a fixed resistance . As described in claim 1, wherein the linkage mechanism includes two swing arms, a linkage piece and two connecting rods, one end of the two swing arms is swingably combined with the rear bracket, and the linkage piece is connected to the On the two swing arms, when one swing arm swings down, the other swing arm swings up. One end of the two connecting rods is rotatably connected to the two actuating rods, and the other end is rotatably connected to the other end of the two swing arms. One end, so that the two connecting rods can drive the two swing arms to swing.

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