A rope-pulling fitness training device

Abstract

The present invention discloses a rope-pulling fitness training device, which comprises a box shell, a first clutch, at least two resistance components and at least two spools arranged in the box shell. Each of the resistance components is respectively connected to one of the spools to provide a preset resistance to the rotation of the spool. The first clutch is simultaneously connected to all the resistance components. When the first clutch is in a closed state, at least two of the resistance components are in transmission connection. When the first clutch is in a disengaged state, the transmission connection between at least two of the resistance components is disconnected. When the first clutch is disengaged in the present invention, the spool is connected to a single resistance component, and the user enters a refined training. When the first clutch is closed, the multiple resistance components are in transmission connection, so as to achieve a large-force training. That is, the present invention provides two modes of strength training, which can meet the different training needs of users and improve the user experience.

Description

Technical Field

[0001] The present invention relates to the technical field of fitness equipment, and particularly relates to a rope-pulling fitness training device. Background Art

[0002] With the improvement of the current living standards and the increasing emphasis on people's own health awareness, more and more people begin to carry out strength training. Strength training can exercise the body, strengthen human muscles, and also improve human metabolism. However, limited by the volume and weight of traditional fitness equipment and the noise generated by the counterweight during training, etc., it is very difficult for people to carry out corresponding strength training at home, and they can only go to the gym or other places for relevant training, which greatly restricts the feasibility of training. Summary of the Invention

[0003] The technical problem to be solved by the present invention is: to provide a rope-pulling fitness training device that can carry out strength training indoors.

[0004] To solve the above technical problem, the technical solution adopted by the present invention is:

[0005] A rope-pulling fitness training device includes a box shell, a first clutch, at least two resistance components, and at least two spools disposed inside the box shell; the spools are rotatably disposed inside the box shell;

[0006] Each of the resistance components is respectively connected to one of the spools to provide a preset resistance to the rotation of the spool;

[0007] The first clutch is simultaneously connected to all the resistance components. When the first clutch is in a closed state, at least two of the resistance components are in transmission connection. When the first clutch is in a separated state, the transmission connection between at least two of the resistance components is disconnected;

[0008] Each of the spools is respectively connected with and wound around a rope, and each rope extends out of the box shell through a through hole on the box shell.

[0009] The beneficial effect of the present invention is that: through the resistance components and the spools, the user can carry out strength training indoors. When the first clutch is separated, the spool is connected to a single resistance component, and the user enters a refined training. When the first clutch is closed, the multiple resistance components can be in transmission, so as to realize large-strength training. That is, the present invention provides two modes of strength training, which can meet the different training needs of users and improve the user experience. Brief Description of the Drawings

[0010] Figure 1 It is a schematic structural diagram of a rope-pulling fitness training device according to an embodiment of the present invention;

[0011] Figure 2 Partial structural schematic diagram of a rope-pulling fitness training device according to an embodiment of the present invention;

[0012] Figure 3 Exploded view of the structure of the second clutch of a rope-pulling fitness training device according to an embodiment of the present invention;

[0013] Figure 4 Schematic diagram of the structure of the clutch drive device and the first clutch of a rope-pulling fitness training device according to an embodiment of the present invention;

[0014] Figure 5 Exploded view of the structure of the clutch drive device and the first clutch of a rope-pulling fitness training device according to an embodiment of the present invention;

[0015] Label description:

[0016] 1. Box shell; 2. Clutch control component; 3. Second clutch; 4. Speed measurement component; 5. Force measurement component; 6. Brake component; 7. Spool; 8. First clutch; 9. Resistance motor; 10. Third transmission gear; 11. Fourth transmission gear; 12. Third half clutch; 13. Tooth ring; 14. Convex ring; 15. Screw ring; 16. Matching fixing ring; 17. Second transmission protrusion; 18. Second transmission hole; 19. First transmission protrusion; 20. First transmission hole; 21. Matching teeth; 22. Sliding protrusion; 23. Fixing piece; 24. Fourth transmission protrusion; 25. Fourth transmission hole; 26. Sliding groove; 27. First half clutch; 28. Second half clutch; 29. Fork; 30. First fixing rod; 31. Second fixing rod; 32. First transmission gear; 33. Second transmission gear; 34. Chute; 35. Half clutch through hole; 36. Connection hole; 37. Elastic member; 38. Flange; 39. Driving motor; 40. Motor bracket; 41. Guide member; 42. Motor transmission gear; 43. Sliding protrusion; 44. Double-sided rack; 45. Strip-shaped through hole; 46. Single-sided rack; 47. Matching gear; 48. Third transmission hole; 49. Third transmission protrusion. Detailed implementation mode

[0017] To describe in detail the technical content, achieved objectives and effects of the present invention, the following is described in conjunction with the implementation modes and with reference to the accompanying drawings.

[0018] Please refer to Figures 1 to 5 , a rope-pulling fitness training device, including a box shell and a first clutch, at least two resistance components and at least two spools arranged in the box shell, and the spools are rotatably arranged in the box shell;

[0019] Each of the resistance components is respectively connected to one of the spools to provide a preset resistance to the rotation of the spool;

[0020] The first clutch is simultaneously connected to all the resistance components. When the first clutch is in the closed state, at least two of the resistance components are in transmission connection. When the first clutch is in the separated state, the transmission connection between at least two of the resistance components is disconnected;

[0021] Each of the spools is respectively connected with and wound around a pull rope, and each pull rope extends out of the housing through a through hole on the housing.

[0022] As can be seen from the above description, the beneficial effects of the present invention are as follows: Through the resistance components and the spools, the user can perform strength training indoors. When the first clutch is separated, the spool is connected to a single resistance component, and the user enters a refined training mode. When the first clutch is closed, the transmission between multiple resistance components can be achieved, thereby realizing large-strength training. That is, the present invention provides two modes of strength training, which can meet the different training needs of users and improve the user experience.

[0023] Furthermore, it further includes at least two second clutches;

[0024] The second clutch is arranged between the resistance component and the spool to open or disconnect the transmission connection between the spool and the resistance component.

[0025] As can be seen from the above description, when an individual pull rope is not in use, the transmission connection between the resistance component and the spool can be disconnected through the second clutch, so that the spool does not rotate.

[0026] Furthermore, it further includes a clutch control component, and the clutch control component is respectively connected to all the second clutches and the first clutch to synchronously control the separation or closing between the second clutch and the first clutch.

[0027] As can be seen from the above description, the clutch control component is connected to all the second clutches and the first clutch, and can synchronously control all the clutches for the user to freely select the required training mode.

[0028] Furthermore, the first clutch includes a first half clutch, a second half clutch, a fork, a first fixing rod, a first transmission gear, and a second transmission gear; the first transmission gear and the second transmission gear are respectively in transmission connection with two of the resistance components;

[0029] One end of the first fixed rod is fixedly connected to the first transmission gear, and the other end is rotatably connected to the second transmission gear. A chute is provided on the first fixed rod on the side close to the first transmission gear. The first half clutch is sleeved on the fixed rod and is slidably connected to the chute. The second half clutch is connected to the second transmission gear and is arranged towards the first half clutch;

[0030] The fork pushes the first half clutch to reciprocate along the chute to separate or close with the second half clutch.

[0031] As can be seen from the above description, the clutch control assembly is connected to the fork. By controlling the movement of the fork, the first half clutch is driven to slide on the chute. When the first half clutch slides to connect with the second half clutch, the clutch is closed. On the contrary, when the fork drives the first half clutch away from the second half clutch, the separated state of the clutch is achieved.

[0032] Further, a second fixed rod is further included. The second fixed rod is fixedly connected to the housing. The fork is provided with a half clutch through hole and a connection hole. The first half clutch is located in the half clutch through hole and is fixedly connected to the fork. The second fixed rod is slidably connected to the connection hole;

[0033] The clutch control assembly is slidably connected to the fork. The sliding direction of the fork along the second fixed rod is the same as the sliding direction of the first half clutch on the chute.

[0034] As can be seen from the above description, by the second fixed rod and by providing a connection hole corresponding to the second fixed rod on the fork, the sliding direction of the fork is further ensured.

[0035] Further, an elastic member is further included and sleeved on the side of the first fixed rod where the chute is located. The elastic member is in contact connection between the first transmission gear and the first half clutch;

[0036] A flange is circumferentially arranged on the side of the first half clutch facing the first transmission gear. The fork is in contact connection with the side of the flange away from the first transmission gear.

[0037] As can be seen from the above description, the fork is in contact connection with the flange on the first half clutch, and an elastic member is connected between the first half clutch and the first transmission gear. When the fork moves in the direction away from the first transmission gear, the elastic member can push the first half clutch to always be in contact connection with the fork, so as to facilitate controlling the connection state of the first half clutch and the second half clutch through the fork.

[0038] Further, the clutch control assembly includes a driving motor, a motor bracket, an induction driving member, a guiding member, a rack, and a motor transmission gear. A sliding protrusion is further provided on the shift fork.

[0039] The driving motor is fixedly connected to the housing through the motor bracket. The driving motor is connected with a motor transmission gear. The motor transmission gear meshes with the rack, and the rack is connected with the guiding member.

[0040] A strip-shaped through hole corresponding to the sliding protrusion is provided on the guiding member. The sliding protrusion is located in the strip-shaped through hole, and the middle position of the strip-shaped through hole bends away from the second half clutch.

[0041] The first half clutch is in a separated state from the second half clutch when the sliding protrusion of the shift fork is located at the middle position of the strip-shaped through hole, and is in a closed state with the second half clutch when the sliding protrusion of the shift fork is located at both sides of the strip-shaped through hole.

[0042] The induction driving member is connected to the guiding member and at the same time connected to all the second clutches, and is used to sense the position of the sliding protrusion of the shift fork in the strip-shaped through hole and control the second clutch to enter a separated state or a closed state.

[0043] It can be seen from the above description that the clutch control assembly controls the movement of the guiding member connected to the rack by rotating the motor transmission gear of the motor, thereby controlling the movement of the shift fork to achieve the state control of the first clutch. At the same time, the induction driving member confirms the state of the shift fork according to the position of the guiding member and the sliding protrusion of the shift fork, and correspondingly controls the second clutch to enter a separated or closed state.

[0044] Further, the number of the second clutches, the resistance components, and the spools is two groups, and they are arranged side by side in opposite directions.

[0045] It can be seen from the above description that the number of the second clutches, the resistance components, and the spools is two groups and they are arranged side by side, which minimizes the thickness of the device, reduces the overall volume, and realizes the miniaturization of the device.

[0046] Further, the resistance component includes a resistance motor and a transmission component. The transmission component includes a third transmission gear and a fourth transmission gear that are meshed and connected. The third transmission gear is connected to the resistance motor, and the fourth transmission gear is connected to the second clutch.

[0047] It can be seen from the above description that power is generated by the resistance motor and transmitted through two transmission gears, so as to drive the spool to rotate.

[0048] Further, a speed measuring component, a force measuring component, and a braking component are further included.

[0049] The two fourth transmission gears are respectively meshed and connected with one of the speed measuring components. The braking component is connected to the spool. The two pulling ropes are respectively wound around one of the force measuring components in the housing and extend out of the housing through the through holes on the housing.

[0050] As can be seen from the above description, the rotation speed of the spool can be measured by the speed measuring component, the tension of the pulling rope can be effectively measured by the force measuring component, and at the same time, when any one of the pulling ropes stops being used, the braking component can be used to brake the corresponding spool, which can not only effectively improve the user experience but also play a certain protective role.

[0051] Please refer to Figure 1 and Figure 2 , the first embodiment of the present invention is as follows:

[0052] A pulling rope fitness training device, as shown in Figure 1 and Figure 2 , includes a housing 1 and a clutch control component 2, a second clutch 3, a resistance component, a spool 7 and a first clutch 8 arranged in the housing 1. The spool 7 is rotatably arranged in the housing 1. In this embodiment, the number of the resistance components, the spool 7 and the second clutch 3 is two. In other equivalent embodiments, the number can be increased to three or more according to the training requirements.

[0053] As shown in Figure 1 and Figure 2 and

[0054]

[0055] Figure 1 Figure 2 As shown in Figure 1 and Figure 2As shown, the first clutch 8 is simultaneously connected to two fourth transmission gears 11. When the first clutch 8 is in the closed state, at least two of the resistance components are in transmission connection. When the first clutch 8 is in the disengaged state, the transmission connection between at least two of the resistance components is disconnected. Among them, when the number of the resistance components, the spools 7, and the second clutch 3 increases to three or more, the first clutch 8 is in transmission connection with two, three, or more resistance components when in the closed state to meet different training needs.

[0056] As Figure 1 and Figure 2 shown, the clutch control assembly 2 is respectively connected to the first clutch 8 and the second clutch 3, so as to control the first clutch 8 and the second clutch 3 to switch between the disengaged state and the closed state.

[0057] Not shown in the figure is that each spool 7 is respectively connected and wound with a pull rope. Each pull rope extends out of the case 1 through the through hole on the case 1, and a grip is connected to the end extending out of the case 1. The user holds the grip and pulls the pull rope to perform fitness training.

[0058] It can be seen from this that the specific working principle of the first embodiment is as follows: The user controls the clutch control assembly 2 according to the training needs. When the two second clutches 3 are in the closed state and the first clutch 8 is in the disengaged state, the user pulls the two pull ropes for training, that is, the refined control of both hands is realized. When one of the second clutches 3 is in the disengaged state and the first clutch 8 is in the closed state, the resistance motor 9 on the side where the second clutch 3 is in the disengaged state is in transmission connection with the spool 7 on the other side through the first clutch 8, that is, the spool 7 on the other side is connected to the two resistance motors 9, and the single-handed large-strength training is realized.

[0059] Please refer to Figure 4 and Figure 5 , and the second embodiment of the present invention is:

[0060] A pull rope fitness training device, as Figure 4 and Figure 5 shown, the difference from the first embodiment is that the first clutch 8 is further defined as follows:

[0061] Among them, the first clutch 8 includes a first half clutch 27, a second half clutch 28, a fork 29, a first fixing rod 30, a second fixing rod 31, a first transmission gear 32, and a second transmission gear 33.

[0062] As Figure 5As shown, one end of the first fixed rod 30 is connected to the first transmission gear 32, and the other end is rotatably connected to the second transmission gear 33. A chute 34 is provided on the first fixed rod 30 on the side close to the first transmission gear 32. The first half clutch 27 is sleeved on the first fixed rod 30 and is slidably connected to the chute 34. The second half clutch 28 is connected to the second transmission gear 33 and is sleeved on the first fixed rod 30 on the side close to the second transmission gear 33; the second fixed rod 31 is fixedly connected to the housing 1.

[0063] Among them, the shift fork 29 is provided with a half clutch through hole 35 and a connection hole 36. The first half clutch 27 is located in the half clutch through hole 35. An elastic member 37 that abuts and connects between the first transmission gear 32 and the first half clutch 27 is sleeved on the side of the first fixed rod 30 where the chute 34 is located; a flange 38 is circumferentially provided on the side of the first half clutch 27 facing the first transmission gear 32. The shift fork 29 is in abutting connection with the side of the flange 38 away from the first transmission gear 32. The second fixed rod 31 slidably passes through the connection hole 36. The sliding direction of the shift fork 29 on the second fixed rod 31 is the same as the sliding direction of the first half clutch 27 on the chute 34. The first transmission gear 32 and the second transmission gear 33 are respectively meshed and connected to a fourth transmission gear 11. The clutch control assembly 2 is connected to the shift fork 29.

[0064] Thus, as Figure 5 shown, the first half clutch 27 and the second half clutch 28 are detachably connected by the cooperation of protrusions and grooves, but it is not limited to the structure in Figure 5 , as long as they are two mating components that can be plugged and separated in the sliding direction.

[0065] Thus, in this embodiment, the two groups of second clutches 3, the resistance components and the spools 7 are arranged side by side in the reverse direction, so that the width of the housing 1 only needs to meet the width of one group of second clutches 3, the resistance components and the spools 7, thereby realizing the miniaturization of the device.

[0066] Thus, in this embodiment, the second fixed rod is the second fixed rod 31, and the connection hole is the connection hole 36, so that the second fixed rod 31 slides in the connection hole 36. In other equivalent embodiments, the second fixed rod can be a through hole, the connection hole can be a rod, or the second fixed rod and the connection hole can be a slider chute 34 fit, a pulley chute 34 fit, etc., and any two mechanisms with relative sliding can be used.

[0067] Thus, the process of switching the first clutch 8 between the separated state and the closed state in the second embodiment is as follows:

[0068] The clutch control assembly 2 controls the fork 29 to move along the second fixed rod 31. The movement of the fork 29 drives the first half clutch 27 to move towards the first transmission gear 32 until the first half clutch 27 disengages from the second half clutch 28, causing the first clutch 8 to be in a disengaged state. At this time, the first half clutch 27 compresses the elastic member 37.

[0069] The clutch control assembly 2 controls the fork 29 to move along the second fixed rod 31. The fork 29 moves towards the second half clutch 28, and the compressed elastic member 37 rebounds, causing the first half clutch 27 to move towards the second half clutch 28 until the first half clutch 27 is inserted into the second half clutch 28, making the first clutch 8 in a closed state.

[0070] Please refer to Figures 2 to 5 , Embodiment 3 of the present invention is as follows:

[0071] A cable fitness training device, which is different from Embodiment 2 in that, as Figure 2 and Figure 3 shown, the second clutch 3 is a mechanical clutch, and it is further defined as follows:

[0072] Among them, the second clutch 3 is a mechanical clutch, including a third half clutch 12, a fourth half clutch, a screwing ring 15, and a mating fixed ring 16.

[0073] As Figure 3 shown, the fourth half clutch includes a toothed ring 13 and a convex ring 14. The third half clutch 12 is fixedly connected to the fourth transmission gear 11. The toothed ring 13 is provided with a second transmission protrusion 17 facing the third half clutch 12, and the third half clutch 12 is provided with a second transmission hole 18 corresponding to the shape of the second transmission protrusion 17. The toothed ring 13 and the third half clutch 12 are detachably connected through the second transmission protrusion 17 and the second transmission hole 18; the convex ring 14 is provided with a first transmission protrusion 19 facing the toothed ring 13, and the toothed ring 13 is provided with a first transmission hole 20 corresponding to the first transmission protrusion 19. The convex ring 14 and the toothed ring 13 are connected through the cooperation of the first transmission protrusion 19 and the first transmission hole 20.

[0074] Among them, the screwing ring 15 is sleeved outside the convex ring 14. The outside of the screwing ring 15 is provided with mating teeth 21, and at the same time, the screwing ring 15 is provided with a mating protrusion 22 facing away from the fourth transmission gear 11; the mating fixed ring 16 is located at one end of the screwing ring 15 away from the fourth transmission gear 11, and on the side facing the screwing ring 15, there is a sliding groove 26 corresponding to the mating protrusion 22. Figure 3In order to better display the counter-rotating ring 15, it is shown in reverse and fixed to the box housing 1 by the fixing member 23; on one side of the fourth transmission gear 11 close to the second clutch 3, there is a third transmission protrusion 49, and at one end of the third half clutch 12, there is a third transmission hole 48 corresponding to the third transmission protrusion 49, and the third transmission hole 48 is fixedly connected to the third transmission protrusion 49; at one end of the spool 7 facing the fourth transmission gear 11, there is a fourth transmission protrusion 24, and in the center of the convex ring 14, there is a fourth transmission hole 25 corresponding to the fourth transmission protrusion 24, and the fourth transmission protrusion 24 extends into the fourth transmission hole 25; the second clutch 3 realizes the switching between the separated state and the closed state through the detachable cooperation of the toothed ring 13 and the third half clutch 12.

[0075] As Figure 4 and Figure 5 shown, the clutch control assembly 2 includes a drive motor 39, a motor bracket 40, an induction drive member, a guide member 41, a double-sided rack 44, and a motor drive gear 42. A sliding protrusion 43 is also provided on the fork 29; the drive motor 39 is fixedly connected to the box housing 1 through the motor bracket 40. The drive motor 39 is connected with the motor drive gear 42, the motor drive gear 42 meshes with the double-sided rack 44, and the double-sided rack 44 is connected with the guide member 41; on the guide member 41, there is a strip-shaped through hole 45 corresponding to the sliding protrusion 43, the sliding protrusion 43 is located in the strip-shaped through hole 45, and the middle position of the strip-shaped through hole 45 bends away from the second half clutch 28; the first half clutch 27 is in a separated state from the second half clutch 28 when the sliding protrusion 43 of the fork 29 is located at the middle position of the strip-shaped through hole 45, and is in a closed state with the second half clutch 28 when the sliding protrusion 43 of the fork 29 is located at both sides of the strip-shaped through hole 45; the induction drive member includes a single-sided rack 46 connected to the guide member 41 and two mating gears 47. The other side of the double-sided rack 44 connected with the motor drive gear 42 and the single-sided rack 46 are respectively meshed and connected with one mating gear 47, and the two mating gears 47 are respectively meshed and connected with the mating teeth 21 on the mating ring 15 of a second clutch 3.

[0076] Therefore, in the third embodiment, the process of switching between the separated state and the closed state of the second clutch 3 and the first clutch 8 by the clutch control assembly 2 is as follows:

[0077] The drive motor 39 controls the rotation of the motor transmission gear 42, thereby controlling the movement of the double-sided rack 44. Meanwhile, the guide member 41 and the single-sided rack 46 move accordingly. During the movement, the single-sided rack 46 and the double-sided rack 44 drive the mating gear 47 to rotate, and the mating gear 47 is meshed and connected with the mating teeth 21 on the mating ring 15 of the second clutch 3, thereby driving the mating ring 15 to rotate. When the mating ring 15 rotates, through the action of the mating protrusion 22 and the sliding groove 26, the convex ring 14 and the toothed ring 13 are pushed towards the third half clutch 12 or away from the third half clutch 12. When the second transmission protrusion 17 of the toothed ring 13 is inserted into the second transmission hole 18, the second clutch 3 is in a closed state, and vice versa in a separated state.

[0078] Meanwhile, the sliding protrusion 43 of the fork 29 is located in the strip-shaped through hole 45 of the guide member 41. Due to the movement of the guide member 41, the position of the sliding protrusion 43 of the fork 29 in the strip-shaped through hole 45 also changes, thereby driving the fork 29 to slide along the second fixed rod 31 to achieve the switching between the closed state and the separated state of the first clutch 8.

[0079] Please refer to Figure 1 , Embodiment 4 of the present invention is as follows:

[0080] A rope-pulling fitness training device, different from any of the above embodiments in that it further includes a speed measurement component 4, a force measurement component 5, and a brake component 6.

[0081] As Figure 1 shown, two speed measurement components 4 are respectively connected to a resistance component. Among them, the speed measurement component 4 can be a grating encoding speed measurement component or a magnetic encoding speed measurement component.

[0082] As Figure 1 shown, the brake component ⑥ is connected to the spool ⑦. Among them, the brake component 6 can be an electromagnet brake or a pin-type brake.

[0083] What is not shown in the figure is that the force measurement component 5 is wound around the pulling rope. After the pulling rope is wound around the force measurement component 5, it extends out of the box shell 1. Among them, the force measurement component 5 can be two pulleys and a force sensor connected to one of the pulleys.

[0084] In summary, a rope-pulling fitness training device provided by the present invention enables users to perform strength training indoors through a resistance component and a spool. When the first clutch is disengaged, the spool is connected to a single resistance component, and the user enters a refined training mode. When the first clutch is engaged, the first clutch enables power transmission between multiple motors, thereby achieving high-intensity strength training. That is, the present invention provides various modes of strength training, which can meet the different training needs of users, improve the user experience, and is equipped with a speed measurement component and a force measurement component, which can measure the rotation speed of the spool and the tension on the pulling rope. At the same time, a braking component is provided to brake the spool, which can play a certain protective role while effectively improving the user experience.

[0085] The above are only embodiments of the present invention and do not limit the patent scope of the present invention. Any equivalent transformation made using the content of the specification and drawings of the present invention, or directly or indirectly applied in related technical fields, is equally included in the patent protection scope of the present invention.

Claims

1. A rope-pulling fitness training device, characterized in that, It includes a box shell, a first clutch, at least two resistance components and at least two spools arranged inside the box shell, and the spools are rotatably arranged inside the box shell; Each of the resistance components is respectively connected to one of the spools to provide a preset resistance to the rotation of the spool; The first clutch is simultaneously connected to all the resistance components. When the first clutch is in a closed state, at least two of the resistance components are in transmission connection. When the first clutch is in a separated state, the transmission connection between at least two of the resistance components is disconnected; It further includes at least two second clutches; The second clutch is arranged between the resistance component and the spool to open or disconnect the transmission connection between the spool and the resistance component; It further includes a clutch control component which is respectively connected to all the second clutches and the first clutch to synchronously control the separation or closing between the second clutch and the first clutch; The first clutch includes a first half clutch, a second half clutch, a fork, a first fixed rod, a first transmission gear and a second transmission gear; the first transmission gear and the second transmission gear are respectively in transmission connection with two of the resistance components; One end of the first fixed rod is fixedly connected to the first transmission gear, and the other end is rotatably connected to the second transmission gear. A chute is arranged on the first fixed rod on the side close to the first transmission gear. The first half clutch is sleeved on the fixed rod and is slidably connected to the chute. The second half clutch is connected to the second transmission gear and is arranged towards the first half clutch; The fork pushes the first half clutch to reciprocate along the chute to separate or close it from the second half clutch; Each of the spools is respectively connected and wound with a pulling rope, and each pulling rope extends out of the box shell through a through hole on the box shell; The number of the second clutches, the resistance components and the spools is two groups and they are arranged side by side in opposite directions.

2. The rope-pulling fitness training device according to claim 1, wherein, It further includes a second fixed rod which is fixedly connected to the box shell. The fork is provided with a half clutch through hole and a connection hole. The first half clutch is located in the half clutch through hole and is fixedly connected to the fork. The second fixed rod is slidably connected to the connection hole; The clutch control component is slidably connected to the fork, and the sliding direction of the fork along the second fixed rod is the same as the sliding direction of the first half clutch on the chute.

3. The rope-pulling fitness training device according to claim 2, wherein, It further includes an elastic member sleeved on the side of the first fixed rod where the chute is located. The elastic member is in contact connection between the first transmission gear and the first half clutch; A flange is arranged around the side of the first half clutch facing the first transmission gear. The fork is in contact connection with the side of the flange away from the first transmission gear.

4. A rope-pulling fitness training device according to claim 1, characterized in that, The clutch control component includes a driving motor, a motor bracket, an induction driving member, a guiding member, a rack and a motor transmission gear. A sliding protrusion is further arranged on the fork; The driving motor is fixedly connected to the housing through a motor bracket. The driving motor is connected with a motor transmission gear, the motor transmission gear meshes with the rack, and the rack is connected with the guiding member; The guiding member is provided with a strip-shaped through hole corresponding to the sliding protrusion. The sliding protrusion is located in the strip-shaped through hole, and the middle position of the strip-shaped through hole is bent away from the second half clutch; The first half clutch is in a separated state from the second half clutch when the sliding protrusion of the fork is located at the middle position of the strip-shaped through hole, and is in a closed state with the second half clutch when the sliding protrusion of the fork is located at both sides of the strip-shaped through hole; The induction driving member is connected with the guiding member and at the same time connected with all the second clutches, and is used for sensing the position of the sliding protrusion of the fork in the strip-shaped through hole and controlling the second clutch to enter a separated state or a closed state.

5. A pull rope fitness training device according to claim 1, characterized in that, The resistance assembly includes a resistance motor and a transmission assembly. The transmission assembly includes a third transmission gear and a fourth transmission gear that are meshed and connected. The third transmission gear is connected with the resistance motor, and the fourth transmission gear is connected with the second clutch.

6. A pull - rope fitness training device according to claim 5, characterized in that, It further includes a speed measuring assembly, a force measuring assembly and a braking assembly; The two fourth transmission gears are respectively meshed and connected with a speed measuring assembly. The braking assembly is connected with the spool. The two pulling ropes are respectively wound around a force measuring assembly in the housing and extend out of the housing through the through holes on the housing.

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