Training device with self-locking function

Abstract

The training device with the self-locking function comprises a training device body, a resistance mechanism and a pull rope assembly, the resistance mechanism comprises a motor, a hoisting mechanism and a self-locking driving mechanism, and the hoisting mechanism comprises a winding drum for winding and a flange baffle located at the outer end of the winding drum. A first locking matching unit is arranged on at least one flange baffle; the self-locking driving mechanism comprises a driving unit and a second locking matching unit, and the driving unit is used for driving the second locking matching unit to be connected with or separated from the first locking matching unit, so that the rotation of the hoisting mechanism is locked and unlocked; therefore, when the fitness personnel need to leave temporarily or the fitness equipment needs to be shut down sometimes, the resistance mechanism can be actively locked to prevent the fitness equipment from being touched by children to cause safety risks.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a training device with a self-locking function. The design effectively provides safety protection for users in the event of a power outage so that they will not be injured. Background Art

[0002] Existing fitness equipment, such as stretching trainers, usually requires a mechanism to provide movement resistance. The resistance mechanism is usually an elastic component, a counterweight, or a resistance wheel. In recent years, there have also been some fitness equipment that uses motors as resistance mechanisms. When using traditional counterweight equipment for rapid strength training, it is easy for the resistance at the counterweight end to increase sharply due to the increase in movement speed. However, using motors as the resistance mechanism of fitness equipment will not have this problem, and the resistance of the equipment can always remain balanced. Studies have shown that rapid strength training can not only improve absolute strength, but also improve explosive power. Explosive power means faster starting speed and faster reaction, which can help athletes gain an advantage in training and competition.

[0003] However, when using a resistance motor as the resistance mechanism, when the fitness person needs to temporarily leave or shut down the fitness equipment for something, the resistance mechanism needs to be locked to prevent the fitness equipment from being touched by children and causing safety risks. In addition, during transportation, the resistance mechanism of the fitness equipment also needs to be locked to prevent the resistance mechanism from being damaged by continuous vibration during transportation. In addition, when the fitness equipment encounters a sudden power outage or circuit failure, the resistance motor will fail due to the sudden power outage and lose resistance, causing the person using the exercise equipment to suddenly accelerate under the action of inertia, creating a safety risk. Therefore, how to manufacture fitness equipment with a self-locking function, with higher equipment integration and smaller space occupation, has always been the pursuit of the industry. Utility Model Content

[0004] Therefore, in order to solve the above problems, the present invention provides a training device with a self-locking function.

[0005] The utility model is implemented by the following scheme:

[0006] The utility model provides a training device with a self-locking function, comprising:

[0007] Trainer body;

[0008] a resistance mechanism, the resistance mechanism being disposed in the training device body and being used to provide training resistance in the training device;

[0009] a pull rope assembly, one end of which is connected to the resistance mechanism, and the other end of which is connected to a force-applying member;

[0010] Characterized in that, the resistance mechanism comprises:

[0011] a motor for providing resistance in the exerciser, the motor comprising a stator assembly and a rotor assembly, the rotor assembly being rotatable relative to the stator assembly;

[0012] a hoisting mechanism, the hoisting mechanism being used for winding the pull rope assembly, the hoisting mechanism being in driving connection with the rotor assembly of the motor, the hoisting mechanism comprising a winding drum for winding the wire and a flange baffle located at an outer end of the drum, at least one flange baffle being provided with a first locking engagement unit;

[0013] A self-locking drive mechanism is used to lock and unlock the rotation of the hoisting mechanism. The self-locking drive mechanism includes a drive unit and a second locking mating unit. The drive unit is used to drive the second locking mating unit to engage or disengage with the first locking mating unit, thereby locking and unlocking the rotation of the hoisting mechanism.

[0014] In one embodiment, the trainer further comprises a pulley group, the pulley group is provided on the trainer main body, at least one pulley of the pulley group is provided above the trainer main body in the height direction, the resistance mechanism is provided below the trainer main body in the height direction, and the pull rope assembly is connected to the resistance mechanism at one end and to the force-applying member at the other end through the pulley group.

[0015] In one embodiment, the drum and the flange baffle form a winding space, the self-locking drive mechanism is arranged within the span of the winding space, and the self-locking drive mechanism is approximately within the axial projection range of the hoisting mechanism.

[0016] In one embodiment, the trainer further includes two arms, and two arms are respectively provided on the left and right directions of the trainer main body, and the left and right directions of the trainer main body are defined as the width direction of the trainer main body. The resistance mechanism further includes a shell, and the motor is arranged in the shell. The axial direction of the motor is parallel to the length direction of the shell, and the length direction of the resistance mechanism is aligned with the width direction of the trainer main body.

[0017] In one embodiment, the resistance mechanism further includes a shell, the motor, the hoisting mechanism and the self-locking drive mechanism are all installed in the shell, a wire outlet hole is provided on the shell, a guide mechanism is provided between the wire outlet hole and the reel, and the guide mechanism includes a guide roller.

[0018] In one embodiment, the first locking and fitting unit and the second locking and fitting unit are a set of pin shafts and pin holes that can be locked and fitted with each other.

[0019] In one embodiment, the first locking and fitting unit is a brake pin hole arranged in the circumferential direction of the rotation center of the flange baffle, and the second locking and fitting unit is a brake pin shaft; the driving unit includes a mounting frame, an elastic element and an electromagnet assembly, the brake pin shaft is slidably mounted on the mounting frame, and the brake pin shaft can slide and be stuck in the brake pin hole, one end of the elastic element is connected to the mounting frame, and the other end is connected to the brake pin shaft, thereby applying an elastic force to the brake pin shaft toward the flange baffle; the electromagnet assembly acts on the brake pin shaft and applies an electromagnetic force to the brake pin shaft away from the flange baffle, and the electromagnetic force is greater than the elastic force.

[0020] In one embodiment, a proximity switch is further provided at the other end of the mounting bracket, and when the brake pin shaft retracts and separates from the brake pin hole, the tail of the brake pin shaft can actuate the proximity switch.

[0021] In one embodiment, the resistance mechanism further includes a controller, and the motor and the self-locking drive mechanism are electrically connected to the controller; the self-locking drive mechanism receives a control signal from the controller to perform locking and unlocking operations on the rotation of the hoisting mechanism.

[0022] In one embodiment, the controller sends the control signal for locking the rotation of the hoisting mechanism when the fitness equipment is set to at least one of the following states: temporarily leaving state, shutting down state or transporting state; and / or

[0023] The self-locking drive mechanism performs an operation of locking the rotation of the hoisting mechanism due to a power-off state.

[0024] In one embodiment, the drum is connected to one side of the rotor assembly of the motor, and the flange baffle is provided on the side of the drum away from the motor.

[0025] In one embodiment, the resistance mechanism further includes a shell and a human-computer interaction device, the motor, hoisting mechanism and self-locking drive mechanism are all installed in the shell, and the human-computer interaction device is arranged on the shell for adjusting and displaying the working parameters of the resistance mechanism.

[0026] The technical solution provided by the utility model has the following technical effects:

[0027] 1. The present invention provides a self-locking exerciser, wherein the resistance mechanism includes a self-locking drive mechanism for locking and unlocking the rotation of the hoist mechanism. The hoist mechanism includes a winding drum for winding a wire and a flange baffle located at the outer end of the drum, at least one of which is provided with a first locking mating unit. The self-locking drive mechanism includes a drive unit and a second locking mating unit, the drive unit being configured to drive the second locking mating unit to engage or disengage with the first locking mating unit, thereby locking and unlocking the rotation of the hoist mechanism. This allows exercisers to lock the resistance mechanism when temporarily leaving or shutting down the exercise equipment, preventing children from touching the equipment and posing a safety risk. Furthermore, the resistance mechanism can also be locked during transportation to prevent damage from continuous vibration during transportation.

[0028] 2. The self-locking drive mechanism is located within the span of the winding space, allowing the winding space to be utilized for the self-locking drive mechanism. This reduces the overall size of the resistance mechanism with a self-locking function, facilitating space utilization and miniaturization of the fitness equipment. The resistance mechanism also includes a housing, in which a motor is housed. The motor's axis is parallel to the length of the housing, and the length of the resistance mechanism is aligned with the length of the trainer body, resulting in a smaller body and a smaller overall footprint.

[0029] 3. In the self-locking exerciser of the present invention, an elastic element applies a spring force toward the flange baffle to the brake pin, while the electromagnet assembly applies an electromagnetic force away from the flange baffle. The electromagnetic force is greater than the spring force. Thus, when the fitness device is powered normally, the electromagnet assembly is energized and generates an electromagnetic force that overcomes the spring force, causing the brake pin to retract and separate from the brake pin hole in the flange baffle. If the fitness device suddenly loses power, the electromagnet assembly loses power and generates no electromagnetic force. The brake pin, under the action of the spring force, moves toward the flange baffle, causing it to engage in the brake pin hole due to the spring force. This brakes the moving rotor assembly and winch mechanism, stopping their motion and preventing the fitness device from losing resistance due to a sudden power outage, which could pose a safety risk. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional picture of the trainer;

[0031] Figure 2 It is a three-dimensional picture of the trainer with part of the outer shell hidden;

[0032] Figure 3 It is a three-dimensional diagram of the resistance mechanism;

[0033] Figure 4 is a perspective view of the resistance mechanism with part of the housing removed;

[0034] Figure 5 It is a three-dimensional diagram of the motor, hoisting mechanism, guide mechanism, and self-locking drive mechanism;

[0035] Figure 6 This is an exploded view of the motor, winch mechanism, and self-locking drive mechanism;

[0036] Figure 7 It is a three-dimensional diagram of the self-locking drive mechanism;

[0037] Figure 8 It is a three-dimensional diagram of the self-locking drive mechanism from another direction;

[0038] Figure 9 is a perspective view of the rope member of this embodiment being passed through the guide mechanism;

[0039] Figure 10 is a perspective view of a resistance mechanism according to another embodiment;

[0040] Figure 11 is a perspective view of a resistance mechanism applied to a multi-functional training device according to another embodiment;

[0041] Figure 12 2 is a perspective view of a resistance mechanism applied to a multi-functional training device according to another embodiment. DETAILED DESCRIPTION

[0042] To further illustrate various embodiments, the present invention is provided with accompanying drawings. These drawings form part of the disclosure of this invention and are primarily used to illustrate the embodiments and, in conjunction with the relevant description in the specification, to explain the operating principles of the embodiments. By referring to these drawings, those skilled in the art will understand other possible implementations and the advantages of this invention. The components in the figures are not drawn to scale, and similar reference numerals are generally used to represent similar components.

[0043] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0044] like Figure 1-9As shown, this embodiment provides a self-locking exerciser, comprising a main body 3, a base 2, a resistance mechanism 1, an arm 4, a handle 5, a pull cord assembly 6, a display screen 7, and a pulley assembly 8. The main body 3 is mounted on the base 2, with the resistance mechanism 1 positioned within the main body 3. The pull cord assembly 6 is connected to the resistance mechanism 1 at one end and to a force-applying member, such as the handle 5, at the other end. The resistance mechanism 1 is connected to the handle 5 via the pull cord assembly 6 to provide training resistance within the exerciser. The main body 3 is provided with two arms 4, each adjustable in angle relative to the main body 3. The arms 4 are hollow structures with open ends, positioned above the main body 3. The pull cord assembly 6 includes one or more pull cords. At least one pulley of the pulley assembly 8 is positioned above the main body 3, while the resistance mechanism 1 is positioned below the main body 3. The pull cord assembly 6 is wound around the pulley assembly 8 and passes through the arms 4, thereby connecting to the handle 5 at the end of the arms 4. The pull cord assembly 6 is connected to the resistance mechanism 1 at one end and to the force-applying member at the other end via a pulley assembly 8. The resistance mechanism 1 is located within the lower portion of the training device body 3, with the space above it serving as the travel space for the pulley assembly. This layout is rational and space utilization is high. The support arm 4 can be adjusted up and down at multiple angles to accommodate users of varying heights and training styles.

[0045] In other embodiments, the handle 5 can be replaced with a variety of accessories, such as a Y-shaped training handle, a triceps training rope, a training belt, a calf strap, a thigh strap, and a lightweight barbell, etc., to achieve seamless connection of multiple special training items and to train special movements directly on the equipment.

[0046] Reference Figure 1-2 In this embodiment, a pulley set is provided at the end of the support arm 4, so that the pull rope can rotate according to the direction of the user's force, which not only maintains the comfort of training, but also can adapt to the changing direction of force in complex movements. At the same time, this design can also protect the equipment and pull rope and extend its service life.

[0047] Display screen 7 is located on the training device body 3 and has multiple display areas, each capable of displaying various data such as resistance, reps, power, and maximum explosive force. Display screen 7 may include a processing chip for ease of use, capable of recording previous data and settings, and saving each exercise record, allowing the user to download data without complex operations for later analysis and research.

[0048] Reference Figure 3-9The resistance mechanism 1 includes a housing 10, a motor 20, a self-locking drive mechanism 30, a controller 40, a hoisting mechanism 50, and a guide mechanism 60. The motor 20 is used to provide resistance in fitness equipment, such as a stretching device. The controller 40 is electrically connected to the motor 20 and is used to control the magnitude and direction of the resistance provided by the motor 20.

[0049] The motor 20, self-locking drive mechanism 30, and controller 40 are mounted within a housing 10. The housing 10 is provided with heat dissipation holes 12 and a cooling fan 13 to enhance heat dissipation from the motor 20, self-locking drive mechanism 30, and controller 40. The motor 20 includes a stator assembly 21 and a rotor assembly 22. The stator assembly 21 is fixedly mounted to the housing 10. The rotor assembly 22 is rotatable relative to the stator assembly 21.

[0050] Reference Figure 2-4 The housing 301 of the training device body 3 is provided with two opposite groups of external heat dissipation holes 302 along the heat dissipation airflow direction of the heat dissipation fan 13, thereby enhancing the heat dissipation of the resistance mechanism 1.

[0051] The hoisting mechanism 50 is used for winding the rope member at the force-applying end. The hoisting mechanism 50 is transmission-connected to the rotor assembly 22 of the motor 20. The hoisting mechanism 50 includes a reel 51 for winding and a flange baffle 52 located at the outer end of the reel. The reel 51 and the flange baffle 52 form a winding space, and a first locking mating unit 521 is provided on at least one flange baffle 52.

[0052] The hoisting mechanism 50 is connected to the rotor assembly 22 in a transmission manner. The hoisting mechanism 50 can be directly connected to the rotor assembly 22 or connected to the rotor assembly 22 through a speed change assembly. The hoisting mechanism 50 can rotate together with the rotor assembly 22. The hoisting mechanism 50 is used to wind the rope member at the force-applying end of the fitness equipment, thereby providing resistance to the fitness equipment. Figure 3 As shown, a wire hole 11 is provided above the housing 10 for passing the rope member through. Preferably, the motor 20 is a servo motor, so that the adjustment and control of the resistance is more precise.

[0053] like Figure 3-6 As shown, a flange baffle 52 is provided on one side of the drum 51. In some embodiments, flange baffles 52 may be provided on both sides of the drum 51. The flange baffle 52 can serve as a baffle to facilitate the winding of the tension rope on the drum 51, and can cooperate with the self-locking drive mechanism 30 to act as a locking member when the device needs to be locked.

[0054] The self-locking drive mechanism 30 is used to lock and unlock the rotation of the hoisting mechanism 50. The self-locking drive mechanism 30 includes a drive unit 31 and a second locking and engaging unit 32. The drive unit 31 is used to drive the second locking and engaging unit 32 to engage or disengage with the first locking and engaging unit 521, thereby locking and unlocking the rotation of the hoisting mechanism 50.

[0055] The first locking and mating unit 521 and the second locking and mating unit 32 are a set of pins and pin holes that can lock and mat with each other. In this embodiment, the first locking and mating unit 521 is a brake pin hole 521 arranged in the circumferential direction around the rotation center of the flange baffle 52, and the second locking and mating unit 32 is a brake pin 32.

[0056] In other embodiments, the self-locking drive mechanism 30 can be locked with the rotor assembly 22 of the motor 20, thereby locking the resistance mechanism 1. However, the rotor assembly 22 of the motor 20 typically has high torque and high speed, making it difficult to lock. In this embodiment, the self-locking drive mechanism 30 is locked by cooperating with the flange baffle 52 of the hoisting mechanism 50. The generated locking torque is large, making it easier and more direct to lock the hoisting mechanism 50 and improve safety.

[0057] The reel 51 and the flange baffle 52 form a winding space, and the self-locking drive mechanism 30 is arranged within the span of the winding space, that is, within the span formed by the reel 51 and the flange baffle 52 .

[0058] In some other embodiments, the self-locking drive mechanism 30 can be located outside the flange baffle 52 of the hoisting mechanism 50, that is, outside the range of the winding space. However, since the drum 51 is connected to one side of the rotor assembly 22 of the motor 20, there is a problem that the overall length of the motor 20 is too long; if the self-locking drive mechanism 30 is located outside the flange baffle 52 of the hoisting mechanism 50, the overall length of the motor 20 in the axial direction will be further increased, so that the external dimensions of the product will be further increased. Therefore, in this embodiment, the self-locking drive mechanism 30 is arranged within the span of the winding space. Since the drum 51 has a long length, the rope member cannot be wound around the entire drum 51. The outer ring of the drum 51 has a remaining winding space. The remaining winding space can be fully utilized to arrange the self-locking drive mechanism 30, so that the overall size of the product can be reduced and the product can be miniaturized.

[0059] Reference Figure 2-3 The housing 10 is a rectangular parallelepiped structure, and the motor 20 is arranged in the housing 10. The axial direction of the motor 20 is parallel to the length direction of the housing 10, thereby making full use of the space of the housing 10.

[0060] Reference Figure 1-2 The two arms 4 are respectively provided in the left and right directions of the training device body 3, and the left and right directions of the training device body 3 are defined as the width direction of the training device body 3. The resistance mechanism 1 is provided in the training device body 3, and the length direction of the resistance mechanism 1 is aligned with the width direction of the training device body 3, making the size of the training device body 3 smaller and the overall space occupied smaller.

[0061] In this embodiment, Figure 5 As shown, the self-locking drive mechanism 30 is roughly within the axial projection range of the hoisting mechanism 50 or the rotor assembly 22, thereby fully utilizing the remaining winding space and improving the miniaturization of the product.

[0062] Furthermore, the self-locking drive mechanism 30 is located on the side opposite to the wire-out direction relative to the drum 51. In this embodiment, the wire-out direction is upward, and the self-locking drive mechanism 30 is located below the drum 51, thereby fully utilizing the remaining winding space without interfering with the normal wire-out of the rope member.

[0063] Reference Figure 4-5 A guide mechanism 60 is provided between the outlet hole 11 and the reel 51, and the guide mechanism 60 includes a guide roller 61. Figure 4 、 9 As shown, the rope passes around the guide roller 61 and then passes out of the housing 10 through the outlet hole 11. The guide mechanism 60 can guide the rope on the reel 51 during the process of passing through the housing 10, so that the rope can be accurately aligned with the outlet hole 11, preventing the rope from scratching the housing 10 and causing wear and tear, which would affect the service life.

[0064] like Figure 7-8As shown, the drive unit 31 includes a mounting bracket 312, a spring 311, and an electromagnet assembly 313. The mounting bracket 312 is fixedly mounted on the housing 10. The electromagnet assembly 313 is electrically connected to the controller 40. The brake pin 32 is slidably mounted on the mounting bracket 312, and can slide out of one end of the mounting bracket 312 and engage the brake pin hole 521. The spring 311 is connected to the mounting bracket 312 at one end and to the brake pin 32 at the other end, thereby applying an elastic force F1 toward the flange baffle 52. The electromagnet assembly 313 acts on the brake pin 32 and applies an electromagnetic force F2 away from the flange baffle 52. The electromagnetic force F2 is greater than the elastic force F1. Therefore, when the fitness device is powered normally, the electromagnet assembly 313 is energized and generates an electromagnetic force F2 that overcomes the elastic force F1, causing the brake pin 32 to retract and separate from the brake pin hole 521 of the flange baffle 52. When the fitness device suddenly loses power, the electromagnet assembly 313 loses power and no longer generates electromagnetic force. The brake pin 32, under the action of the elastic force F1 of the spring 311, moves toward the flange baffle 52, causing the brake pin 32 to engage with the brake pin hole 521 due to the elastic force F1. This brakes the moving rotor assembly 22 and reel 51, preventing them from losing resistance and creating safety risks. In other words, the self-locking drive mechanism 30 locks the rotation of the hoist mechanism 50 due to the power outage.

[0065] In other embodiments, the spring 311 may also be other elastic elements, such as an elastic tube.

[0066] In this embodiment, the self-locking drive mechanism 30 is electrically connected to the controller 40; upon receiving a control signal from the controller 40, the self-locking drive mechanism 30 can lock and unlock the rotation of the hoisting mechanism 50. The controller 40 issues a control signal to lock the rotation of the hoisting mechanism when the fitness equipment is in at least one of the following states: temporary departure, shutdown, or transport. This allows users to proactively lock the resistance mechanism when temporarily leaving or shutting down the fitness equipment to prevent children from touching it and posing a safety risk. Furthermore, the resistance mechanism can also be proactively locked during transport to prevent damage from continuous vibration during transport.

[0067] Reference Figure 10In other embodiments, the resistance mechanism 1' further includes a human-machine interaction device 70, which is provided on the housing 10 for adjusting and displaying the working parameters of the resistance mechanism 1'. The human-machine interaction device 70 is specifically a shuttle knob display assembly 70, which is electrically connected to the controller 40. The shuttle knob display assembly 70 includes a shuttle knob and a display device provided on the front of the shuttle knob. The shuttle knob can be used to adjust various working parameters of the resistance mechanism 1, such as resistance, number of times, and power. A display device, such as an electronic watch, is provided on the front of the shuttle knob, which can display multiple data such as resistance, number of times, power, and maximum explosive force. Of course, referring to Figure 3 The resistance mechanism 1 may also not be provided with the shuttle knob display component 70, and control and display can be achieved through the overall control and display device of the fitness equipment itself.

[0068] In other embodiments, the self-locking drive mechanism 30 may be a friction clutch mechanism or a magnetic clutch mechanism, that is, the self-locking drive mechanism 30 brakes the hoisting mechanism 50 by the friction clutch mechanism or the magnetic clutch mechanism.

[0069] Reference Figure 3-6 In this embodiment, the reel 51 is connected to one side of the rotor assembly 22 of the motor 20, and a flange baffle 52 is provided on the side of the reel 51 away from the motor 20, so that the brake pin hole 521 can be closer to the center of rotation and arranged along the circumferential direction of the flange baffle 52. The self-locking drive mechanism 30 cooperates with the brake pin hole 521, so that the overall product size is more compact and the space utilization rate is higher.

[0070] Of course, in some embodiments, the housing 10 may not be provided, and the motor 20, the self-locking drive mechanism 30, the controller 40 and the hoisting mechanism 50 may be directly integrated into the fitness equipment, which is also a feasible technical solution.

[0071] Reference Figure 6-8 A proximity switch 35 is also located at the other end of the mounting bracket 312. This switch can be a photoelectric switch, for example. When the brake pin 32 retracts and separates from the brake pin hole 521, the tail 321 of the brake pin 32 extends out of the mounting bracket 312, activating the proximity switch 35 to generate an electrical signal. The proximity switch 35 is connected to the controller 40, which activates the motor 20 only after receiving the electrical signal from the proximity switch 35. This prevents the motor 20 from being activated if the brake pin 32 is stuck in the brake pin hole 521, which could damage the equipment and pose associated safety risks.

[0072] In addition, although the above embodiment is illustrated by using a vertical training device as an example, the resistance mechanism can also be used as a resistance mechanism in other types of training devices because it has the function of self-locking. Figure 11 , which shows a multifunctional training device 100, including a resistance mechanism 1', a pull rope assembly 6', a pulley assembly 8' and a plurality of different types of force-applying members 5'. The resistance mechanism 1' is connected to different types of force-applying members 5' through the pull rope assembly 6' and different pulley assemblies 8', thereby providing exercise resistance when the user performs different training movements. For example, referring to Figure 12 , which shows another multifunctional training device 200, including a resistance mechanism 1', a pull rope assembly 6", a pulley group 8" and multiple different types of force-applying components 5" (such as handles, tension straight rods, tension bent rods, bench press handles, etc.). The resistance mechanism 1' is connected to different types of force-applying components 5" through the pull rope assembly 6" and different pulley groups 8", thereby providing movement resistance for the user when performing different training movements. This design effectively provides safety protection for the user in the event of a power outage so that the user will not be injured.

[0073] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes can be made to the form and details of the present invention without departing from the spirit and scope of the present invention as defined by the appended claims, and all of these changes are within the scope of protection of the present invention.

Claims

1. A training device with a self-locking function, comprising: Trainer body; a resistance mechanism, the resistance mechanism being disposed in the training device body and being used to provide training resistance in the training device; a pull rope assembly, one end of which is connected to the resistance mechanism, and the other end of which is connected to a force-applying member; Characterized in that, the resistance mechanism comprises: a motor for providing resistance in the exerciser, the motor comprising a stator assembly and a rotor assembly, the rotor assembly being rotatable relative to the stator assembly; a hoisting mechanism, the hoisting mechanism being used for winding the pull rope assembly, the hoisting mechanism being in driving connection with the rotor assembly of the motor, the hoisting mechanism comprising a winding drum for winding the wire and a flange baffle located at an outer end of the drum, at least one flange baffle being provided with a first locking engagement unit; A self-locking drive mechanism is used to lock and unlock the rotation of the hoisting mechanism. The self-locking drive mechanism includes a drive unit and a second locking mating unit. The drive unit is used to drive the second locking mating unit to engage or disengage with the first locking mating unit, thereby locking and unlocking the rotation of the hoisting mechanism.

2. The training device with self-locking function according to claim 1, characterized in that: The trainer also includes a pulley group, which is provided on the trainer body. At least one pulley of the pulley group is arranged above the trainer body in the height direction, and the resistance mechanism is arranged below the trainer body in the height direction. The pull rope assembly is connected to the resistance mechanism at one end through the pulley group, and is connected to the force-applying member at the other end.

3. The training device with self-locking function according to claim 1, characterized in that: The reel and the flange baffle form a winding space, the self-locking drive mechanism is arranged within the span of the winding space, and the self-locking drive mechanism is approximately within the axial projection range of the hoisting mechanism.

4. The training device with self-locking function according to claim 3, characterized in that: The trainer also includes two arms, and two arms are respectively provided on the left and right directions of the trainer body. The left and right directions of the trainer body are defined as the width direction of the trainer body. The resistance mechanism also includes a shell, and the motor is arranged in the shell. The axial direction of the motor is parallel to the length direction of the shell, and the length direction of the resistance mechanism is aligned with the width direction of the trainer body.

5. The training device with self-locking function according to claim 3, characterized in that: The resistance mechanism also includes a shell, the motor, the hoisting mechanism and the self-locking drive mechanism are all installed in the shell, the shell is provided with a wire outlet hole, a guide mechanism is provided between the wire outlet hole and the drum, and the guide mechanism includes a guide roller.

6. The training device with self-locking function according to claim 1, characterized in that: The first locking and fitting unit and the second locking and fitting unit are a set of pin shafts and pin holes that can be locked and fitted with each other.

7. The training device with self-locking function according to claim 6, characterized in that: The first locking and fitting unit is a brake pin hole arranged in the circumferential direction of the rotation center of the flange baffle, and the second locking and fitting unit is a brake pin shaft; the driving unit includes a mounting frame, an elastic element and an electromagnet assembly, the brake pin shaft can be slidably mounted on the mounting frame, and the brake pin shaft can slide and be stuck in the brake pin hole, one end of the elastic element is connected to the mounting frame, and the other end is connected to the brake pin shaft, thereby applying an elastic force to the brake pin shaft toward the flange baffle; the electromagnet assembly acts on the brake pin shaft and applies an electromagnetic force to the brake pin shaft away from the flange baffle, and the electromagnetic force is greater than the elastic force.

8. The training device with self-locking function according to claim 7, characterized in that: A proximity switch is also provided at the other end of the mounting bracket. When the brake pin shaft retracts and separates from the brake pin hole, the tail of the brake pin shaft can actuate the proximity switch.

9. The training device with self-locking function according to claim 1, characterized in that: The resistance mechanism further includes a controller, and the motor and the self-locking drive mechanism are electrically connected to the controller; the self-locking drive mechanism receives a control signal from the controller to perform locking and unlocking operations on the rotation of the hoisting mechanism.

10. The training device with self-locking function according to claim 9, characterized in that: When the training device is set to at least one of the following states, the controller sends the control signal for performing the locking operation on the rotation of the hoisting mechanism: a temporary leaving state, a power-off state, or a transport state; and / or The self-locking drive mechanism performs an operation of locking the rotation of the hoisting mechanism due to a power-off state.

11. The training device with self-locking function according to claim 1, characterized in that: The reel is connected to one side of the rotor assembly of the motor, and the flange baffle is provided on the side of the reel away from the motor.

12. The training device with self-locking function according to claim 1, characterized in that: The resistance mechanism also includes a shell and a human-machine interaction device. The motor, hoisting mechanism and self-locking drive mechanism are all installed in the shell. The human-machine interaction device is arranged on the shell to adjust and display the working parameters of the resistance mechanism.

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