Patent Application
20230338770
Not applicable.
The present invention relates generally to a muscle training device, and more particularly to a rope pull training device.
In anaerobic muscle-training exercises, a substantial force is applied upon the muscle in a short time, and the muscle undergoes extensions and retractions periodically.
A rope pull training device is an exercising device using a rope for pulling. A conventional rope pull training device mainly comprises a mainframe, two ropes and a resisting structure, wherein the ropes are configured on the mainframe through one or a plurality of pulleys. One end of each rope is connected to a handle, the other end is connected to the resisting structure. The user grips the handles and pulls the rope. The resisting structure provides a resistance. The user provides a pulling force to overcome the resisting force, pulling the rope to move. In this way, the muscles at specific parts of the body can be exercised.
The two ends of each rope are respectively connected to the handle and the resisting structure. The curving and winding of the rope are influenced by the relative positions of the pulleys, the handles, and the resisting structure. Such conventional rope pull training device cannot be applied in different exercising modes.
The main object of the present invention is to provide a rope pull training device, which can be applied in different exercising modes.
In view of the above object, the present invention provides a rope pull training device, which comprises a mainframe having a vertical post, an upper beam and a loading element. The vertical post is formed with a plurality of first positioning holes along the axle. The upper beam and the loading element are opposite each other in the vertical direction. The vertical post is connected to the upper beam and the loading element. A first connection structure is connected to the upper beam. A second connection structure is connected to the loading element. The first connection structure and the second connection structure are respectively connected to a support, so that the mainframe can be fixed on the support.
Two pulley units are provided, respectively comprising a plurality of fixed pulleys. The fixed pulleys are respectively configured on the mainframe. A resisting unit is connected to the mainframe. A guiding structure comprises a sleeve, two wheel seats, two first guide wheels and two second guide wheels. The sleeve can be sleeved on the vertical post and can slide back and forth along the axial direction of the vertical post. A pin rod is fitted into a selected first positioning hole, so as to position the sleeve. The laterally opposite wheel seats are respectively pivoted on the sleeve, so that each of the wheel seats can respectively rotate in relation to the sleeve. Each of the wheel seats respectively have a side plate. The side plates are respectively pivoted on one of the first guide wheels and one of the second guide wheels. The first guide wheels and the second guide wheels are adjacent to each other in the vertical direction.
Two laterally opposite hauling ropes are provided. Each of the hauling ropes respectively winds each of the fixed pulleys, so that the hauling ropes are respectively configured on each of the pulley units. Each of the hauling ropes is respectively connected to the sleeve, and each of the hauling ropes respectively goes through each of the wheel seats. One end of the hauling ropes close to the wheel seats is connected with a handle. The hauling ropes form a cycle between the sleeve and the wheel seat. The hauling ropes go between the first guide wheels and the second guide wheels from the side of the first guide wheels facing the sleeve. The first guide wheels and the second guide wheels form a limitation upon the hauling ropes along the radial direction of the hauling ropes, so as to guide the hauling ropes. The side plates form a lateral limitation on the hauling ropes, to prevent the hauling ropes from falling off the first guide wheels and the second guide wheels. The hauling rope has a lifting section.
Two movable pulleys are provided. Each of the lifting section respectively winds the bottom edge of each of the movable pulleys. Each of the movable pulleys respectively presses each of the lifting section downward, so that each of the hauling ropes is respectively in a tightened state. Each of the hauling ropes respectively pulls each of the movable pulleys to move back and forth toward or away from the resisting unit.
Two connecting ropes are respectively connected to each of the movable pulleys. Each of the connecting ropes is connected to the resisting unit/The resisting unit is configured to provide, through each of the connecting ropes and each of the movable pulleys, a resisting force against each of the hauling ropes pulled by the handles.
The hauling ropes are located between the sleeve and the wheel seats in a cyclic form. Through the downward force exerted by the movable pulleys upon the lifting section, the hauling ropes can be maintained in a tightened state, and can be applied in different exercising modes.
Referring to
Each of the pulley units 20 respectively comprises a plurality of fixed pulleys 22. Each of the fixed pulleys 22 are respectively configured on the mainframe 10, and the resisting unit 30 is connected to the mainframe 10.
The guiding structure 40 comprises a sleeve 41, two wheel seats 42, two first guide wheels 43 and two second guide wheels 44. The sleeve 41 can be sleeved on the vertical post 11 and can slide back and forth along the vertical post 11. A pin rod 45 is fitted into a selected first positioning hole 112, so as to position the sleeve 41. The wheel seats 42 are opposite each other laterally, and are respectively pivoted on the sleeve 41, so that each of the wheel seats 42 can respectively rotate in relation to the sleeve 41. Each of the wheel seats 42 respectively has at least one side plate 422, each of the side plates 422 is respectively pivoted on one of the first guide wheels 43 and one of the second guide wheels 44, and the first guide wheels 43 and the second guide wheels 44 are adjacent to each other in the vertical direction.
The two hauling ropes 50 are opposite each other laterally. Each of the hauling ropes 50 respectively winds each of the fixed pulleys 22, so that each of the hauling ropes 50 are respectively configured on each of the pulley units 20. Each of the hauling ropes 50 is respectively connected to the sleeve 41, and each of the hauling ropes 50 respectively goes through each of the wheel seats 42. One end of the hauling ropes 50 close to the wheel seats 42 is connected with a handle 52. The hauling ropes 50 form a cycle between the sleeve 41 and the wheel seat 42. The hauling rope 50 goes between the first guide wheels 43 and the second guide wheels 44 from the side of the first guide wheels 43 facing the sleeve 41. The first guide wheels 43 and the second guide wheels 44 limit the hauling ropes 50 along the radial direction of the hauling ropes 50, so as to guide the hauling ropes 50. The side plate 422 limits the hauling ropes 50 laterally, so as to prevent the hauling ropes 50 from falling off the first guide wheels 43 and the second guide wheels 44. The hauling ropes 50 have a lifting section 54.
Each of the lifting section 54 respectively winds around the bottom edge of each of the movable pulleys 60. The weight of each of the movable pulleys 60 presses each of the lifting section 54 downward, so that the hauling ropes 50 are respectively in a tightened state. When the user 94 controls each of the handles 52 to repeatedly pull each of the hauling ropes 50, the section of the hauling rope 50 located between the sleeve 41 and the wheel seat 42 in cyclic state will move back and forth in real time. Each of the hauling ropes 50 respectively pulls each of the movable pulleys 60 to move back and forth toward or away from the resisting unit 30.
Each of the connecting ropes 70 is respectively connected to each of the movable pulleys 60, each of the connecting ropes 70 is connected to the resisting unit 30, the resisting unit 30 is configured to provide, through each of the connecting ropes 70 and each of the movable pulleys 60, a resisting force upon each of the hauling ropes 50 pulled by the each of the handles 52.
As shown in
Referring to
The hauling ropes 50 are located between the sleeve 41 and the wheel seat 42 in a cyclic state. The downward force applied by the movable pulleys 60 upon the lifting section 54 changes the height of the guiding structure 40 on the vertical post 11. The hauling ropes 50 can maintain a tightened state. When the handles 52 are pulled, the hauling ropes 50 can move simultaneously, and different exercising modes can be realized. Each of the wheel seats 42 can, based on the movement directions of each of the handles 52, respectively rotate in relation to the sleeve 41.
The user 94 can use both hands to pull both handles 52 at the same time, or to pull each of the handles 52 alternately. The user 94 can stand back toward the vertical post 11, and pull the handles 52 toward the front side of the user 94. The user 94 can operate the handles 52 while sitting, or the user 94 can lie in front of the vertical post 11 while operating the handles 52. The frame structure of the handles 52 depicted in the figures can be changed to a soft strap structure, so that, the handles 52 in form of soft straps can be wrapped on the feet of the user 94. Thus, the user can use both feet to pull the handles 52. All the above-described forms can be the exercising modes in which the present invention is applied.
In the present embodiment, the first connection structure 14 and the second connection structure 15 are respectively in form of a vertical plate. The first connection structure 14 and the second connection structure 15 respectively abut against the support 92. The first connection structure 14 and the second connection structure 15 are respectively fixed on the support 92 through screw bolts 16.
The mainframe 10 has two legs 17, so that the mainframe 10 can stand on the ground. The number of legs 17 can be increased or decreased as needed.
The mainframe 10 is configured with a connecting plate 18. The connecting plate 18 is connected to an external structure (not shown in the figure). The external structure can be a platform, or a bed, or a chair, thus providing operational convenience in different exercising modes.
The resisting unit 30 comprises a reel structure 32 and a resisting structure 34, wherein the reel structure 32 and the resisting structure 34 respectively has a shell 36. The reel structure 32 and the resisting structure 34 are linked. The reel structure 32 is configured to wind or release each of the connecting ropes 70. The resisting structure 34 is configured to provide a resisting force when the reel structure 32 releases each of the connecting ropes 70. The resisting structure 34 is a prior-art technique familiar to and readily understandable by those in the technical field of the invention.
Referring to
The rotational direction of each of the winding wheels 322 when winding the connecting ropes 70 is defined as the winding direction, whereas the rotational direction of each of the winding wheels 322 when releasing the connecting ropes 70 is defined as the releasing direction. Each of the winding wheels 322 respectively pulls the first shaft 321 to have one-way rotation in the releasing direction. Each of the winding wheels 322 is respectively connected to an elastic element (not shown in the figure), so that each of the winding wheels 322 is configured to respectively and automatically wind each of the connecting ropes 70 in the winding direction. The embodiment of the elastic element can be a volute spring or an equivalent component.
As an option, each of the winding wheels 322 can be respectively connected to the first shaft 321 through a one-way pulling mechanism (not shown in the figure), so that each of the winding wheels 322 can only rotate when the releasing direction pulls the first shaft 321. The one-way pulling mechanism is a prior-art technique familiar to and readily understandable by those in the technical field of the invention.
The first shaft 321 is axially fitted in a first belt pulley 323, and a second shaft 324 is axially fitted in the resisting structure 34 and a second belt pulley 325. A ring-shaped transmission belt 326 is lashed on the first belt pulley 323 and the second belt pulley 325, so that the reel structure 32 and the resisting structure 34 can move simultaneously.
Referring to
When Embodiment 2 in an idle state, and no one is exercising, the mainframe 10 can rotate around the first bolt 142 and the second bolt 152, so that the vertical post 11 can move toward the support 92, thus reducing the length of the mainframe 10 protruding in front of the support 92, and providing convenience with a larger space in front of the support 92.
The second frame body 151 has an upper wing plate 153 and a lower wing plate 154. The upper wing plate 153 and the lower wing plate 154 are respectively adjacent to the top edge and bottom edge of the loading element 13. The second bolt 152 vertically goes through the upper wing plate 153, the lower wing plate 154 and the loading element 13. A positioning pin 155 goes through the upper wing plate 153, the lower wing plate 154 and the loading element 13, so as to position the mainframe 10, and prevent the mainframe 10 from turning freely under external forces.
Alternatively, the upper wing plate 153 is provided with an arc-shaped guide slot 156. The arc center of the guide slot 156 is located at the axial center of the second bolt 152. The lower wing plate 154 is provided with a plurality of second positioning holes 157. Each of the second positioning holes 157 are respectively and vertically corresponding to the guide slot 156. The positioning pin 155 can move up and down through the guide slot 156, the loading element 13 and the selected second positioning hole 157. A lever-form pulling element 19 is pivoted on the loading element 13. The pulling element 19 is protruded with two clamping arms 192. The clamping arms 192 relatively clamp the positioning pin 155, so as to pull the positioning pin 155 upward to withdraw from the second positioning hole 157.
When the positioning pin 155 goes through the guide slot 156, the loading element 13 and the selected second positioning hole 157, the mainframe 10 cannot rotate freely. When the position of the vertical post 11 in relation to the support 92 is changed, the pulling element 19 can be operated for the positioning pin 155 to move upward to leave the second positioning hole 157, and the mainframe 10 can be rotated around the first bolt 142 and the second bolt 152. The positioning pin 155 slides along the guide slot 156. When the mainframe 10 is rotated to the required position, the positioning pin 155 moves down into another selected second positioning hole 157, and the mainframe 10 is thus fixed.
Referring to
