KR100283875B1 - Strength training equipment - Google Patents

Abstract

The present invention discloses a muscle strengthening exercise device. In the present invention disclosed, the post 14 and the handle 18 are installed on the base 12, and the scaffold 20 is installed on the upper surface of the base 12 so as to be movable up and down. A drive device for actuating the footrest 20 in a seesaw manner is provided in the base 12, and a control panel 16 for controlling the drive device is provided on the post 14 to operate the mechanism by the muscle strength of the user. It can be operated by its own power without causing it to be used for strengthening the muscle strength of a normal person, or it is easily used for rehabilitation therapy or physical therapy.

Description

Strength training equipment

The present invention relates to a muscle strengthening exercise device, and more particularly to an exercise device to exercise the exercise effect to the user by providing the exercise state by itself, not depending on the user's muscle strength.

The exercise equipment or the rehabilitation apparatus that has been used so far is configured to obtain the exercise effect by operating the apparatus by the user's muscle strength, in order to operate the exercise apparatus or the rehabilitation apparatus, the user requires a certain amount of strength.

Thus, if an exercise device or rehabilitation device requires an excessive amount of exercise for the user to use, the method of reducing the required exercise force, for example, the muscle power required for the operation of the exercise device or the rehabilitation device, may be at least as large as the operation of the exercise device or the rehabilitation device. Wherever possible, this has been solved by a method of reducing the load required to operate the exercise or rehabilitation apparatus.

However, even with this method, some strength of the user is required, especially for a user who cannot freely use the body, such as a patient receiving rehabilitation treatment due to a physical disorder. Even if the weight of the exercise device is reduced, it becomes impossible to operate it, and thus the required exercise effect cannot be obtained.

The object of the present invention is to overcome the disadvantages of the conventional exercise equipment as described above, so that the exercise effect can be exerted on its own power, regardless of the user's muscle strength, users or especially athletic ability desperately required to strengthen the strength, such as athletes It is to provide a muscle strengthening exercise equipment that can be effectively obtained even without the user.

1 is a perspective view showing the external structure of the exercise device according to the first embodiment of the present invention

Figure 2 is a perspective view showing in detail the configuration of the drive device for operating the scaffold shown in FIG.

Figure 3a is an enlarged perspective view showing the connection structure of the driven pulley, the eccentric shaft and the connecting rod which is the main part of the present invention;

Figure 3b is a perspective view showing the arrangement of the support bar which is the main part of the present invention

4 is an operation explanatory diagram according to the first embodiment

Figure 5 is a perspective view showing the external structure of the exercise device according to a second embodiment of the present invention

6 is a perspective view showing a state in which the electric switching device is provided in the driving device applied by the second embodiment;

Figure 7a is an exploded perspective view showing the arrangement of the guide roller and the guide rail which is the main part of the second embodiment

7B is an exploded perspective view showing a structure in which a ball bearing, which is a main part of Embodiment 2, is installed on a motor shaft;

Explanation of symbols on the main parts of the drawings

12-Base 14-Post

16-control panel 18-handle

20,80a, 80b-Foot 22-Motor

26,28-Drive pulley 30-Belt

32-driven pulley 36-eccentric shaft

38-connecting rod 50-support rod

88b-idle pulley 94a, 94b-ball bearing

100-guide roller 102-guide rail

In order to achieve the above object, the present invention comprises the following configuration.

Posts are installed upright in front of the base set on a horizontal plane. The scaffold is provided on the base so as to be movable, and both sides of the scaffold are lifted periodically by a seesaw by a driving device. On the post, a control panel for controlling the driving of the driving device is provided.

The configuration of the drive device is as follows.

A pair of drive pulleys are fixed to the shaft of the drive source mounted on the base, and a pair of driven pulleys are connected to both sides of each drive pulley by a belt. An eccentric shaft is fitted to each driven pulley, and each of the eccentric shafts is arranged to be out of phase with a predetermined obtuse angle. It is preferable that phase difference is 180 degrees. Each eccentric shaft is rotatably supported by a bracket mounted on the base, and both ends and the foot plate of the eccentric shaft are connected via a connecting rod. In particular, the lower end of the connecting rod is hinged to the eccentric shaft, the upper end is connected to the fasteners installed on the bottom of the foot plate by a hinge pin. Further, a support bar is disposed adjacent to and parallel to the axis of the drive source at the lower part of the foot plate, and both ends thereof are fixed to the base. Both sides of the scaffold will seesaw around this support rod.

On the other hand, as another method, the footrest is composed of a pair of independently operated, and the electric switching device for selectively transmitting only the power of the drive source to either of the two driven pulleys so that only one of each footrest is selectively operated. Is provided.

The configuration of the electric switching device is as follows.

The drive source is movably supported by the guide groove formed in the base, and the switching lever which protrudes through the guide groove is fixed to the drive source. A pair of bearings are fitted idlingly on the drive source shafts on each side of each drive pulley so that the driving force is not transmitted to the driven pulley by being selectively engaged with each belt according to the direction of movement of the drive source. Between each drive and driven pulley, means are provided to prevent the belt from leaving due to axial movement of the drive source.

The configuration of the belt detachment prevention means is as follows.

A pair of flanges are formed at both ends of the idle pulley to which the belt is wound, and the idle pulley is rotatably fitted to the shaft, and both ends of the shaft are fixed to a pair of brackets mounted on the frame.

In addition, it is preferable that a pair of guide rollers are rotatably installed on both the left and right sides of the hinge pin, and guide rails for guiding the lifting motion of each guide roller are mounted on the frame.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

<Example 1>

1 is a perspective view showing the external structure of the muscle strengthening exercise device according to the first embodiment of the present invention.

As shown, the external structure of the apparatus according to the present invention is roughly composed of a base 12, a post 14 standing upright in front of the base 12, and a control panel 16 provided on an upper end of the post 14. It is composed. The control panel 16 may be equipped with instruments that may indicate, for example, a speedometer, calorimeter, timer, or exercise amount.

On the other hand, the handle 18 is provided to support the user body is not essential in the present invention, it is suitable to provide for the safety of the user, the shape is on both sides of the base 12, unlike shown It can also be provided in a parallel state.

On the base 12, a footrest 20 is placed on which the user puts his foot. The footrest 20 is not fixed to the base 12, but is installed to be movable up and down, in particular, a rectangular body. Is made of. As described above, the scaffold 20 is operated by the seesaw by the power provided separately, not by the muscle strength of the user, thereby providing the exercise effect to the user. On the other hand, it is preferable that the uneven portion 21 for enhancing the acupressure effect is formed on the scaffold 20.

FIG. 2 is an exploded perspective view showing a specific configuration of a drive device for driving the scaffold 20 by the control of the control panel 16 according to the first embodiment.

As shown, power is provided by a motor 22 that is a drive source. That is, the drive of the motor 22 is controlled by the control signal of the control panel 16. On the other hand, although the motor 22 is suitable as the driving source as in the first embodiment, it is a matter of course that other driving sources such as an internal combustion engine can be used.

Power generated from the drive source 22 is transmitted through the shaft 24 carrying the set of drive pulleys 26 and 28. The drive pulley 26 is connected to the driven pulley 32 via the belt 30, and the driven pulley 32 is rotated by the rotation of the drive pulley 26. The set of drive pulleys 26 and 28 and the driven pulley 32 are fixed to the motor shaft 24 and the eccentric shaft 36 by the keys 28a and 32a.

The driven pulley 32 is fixed by the eccentric shaft 36 supported by the bracket 34. That is, eccentric portions 37 are formed along the axial direction at both ends of the eccentric shaft 36. Lower ends of the connecting rods 38 are rotatably connected to both eccentric portions 37, and upper ends of the connecting rods 38 are rotatably connected to the fasteners 40a by hinge pins 42. The fastener 40a is fixed to the bottom surface of the footrest 20. That is, the connecting rod 38 converts the eccentric rotational movement of the eccentric shaft 36 into the vertical movement to elevate both sides of the scaffold 20 so that the scaffold 20 performs the seesaw operation. On the other hand, it is preferable that the eccentric rotation diameter of the eccentric part 37 is 5-20 mm. For example, when the eccentric rotation diameter of the eccentric part 37 is 20 mm, the lifting length of the connecting rod 38 will be 20 cm.

The connecting rods 38 are provided at both ends of the eccentric shaft 36, and the configurations thereof are identical to each other, so that the footrest 20 can be stably supported. However, the eccentric portions 37 of both of the eccentric shafts 36 have a predetermined obtuse angle, preferably 180 °, so that the other eccentric portion 37 is lowered when one of the eccentric portions 37 is raised. Is arranged to emerge.

On the other hand, a structure for centrally supporting the seesaw operation of both sides of the scaffold 20 is shown in FIG. 3B. As shown in the figure, fasteners 40b are provided at both ends of the support bar 50 adjacent to the bottom surface of the footrest 20, respectively, and the upper surface of the fastener 40b supports the bottom surface of the footrest 20. do. Both ends of the support bar 50 are fixed to the bracket 54a to which the motor 22 is mounted, and to the other bracket 54b facing and arranged on the opposite side in the same size as this bracket 54a. Each bracket 54a, 54b is mounted on the base 12.

Here, the eccentric shaft 36 performs a rotational movement, while the connecting rod 38 moves up and down to perform the seesaw operation of both sides of the footrest 20, in which the direction of disturbing the movement of the connecting rod 38 is prevented. Couple force acts. That is, when the connecting rod 38 rises, the vertical right force acts downward, and when the connecting rod 38 descends, the vertical right force acts upward. Therefore, there is a possibility that an overload is applied to the motor 22 during the lifting motion of the connecting rod 38, and as shown in FIG. 2, in order to prevent this, a balance weight is provided on one side or the other side of each driven pulley 32. 39 is eccentrically fitted.

That is, each balance weight 39 is located on the opposite side with respect to the driven pulley 32, and the position of the eccentric part is arrange | positioned so that 180 degrees phase difference may be performed. In other words, the eccentric portion of the balance weight 39 is disposed in the same phase as the eccentric portion 37 of the eccentric shaft 36 to which the balance weight 39 is fitted. Therefore, since the eccentric portion 37 of each of the eccentric shafts 36 makes a phase difference of 180 degrees, the eccentric portion of the balance weight 39 also makes a 180 degree phase difference.

Hereinafter, the operation of the first embodiment configured as described above will be described in detail with reference to FIGS. 3A and 4.

As shown in FIG. 4, the user places the feet on the footrest 20, operates the control panel 16 to drive the motor 22, and then firmly holds the handle 18.

Then, the driving pulleys 26 and 28 are rotated by the motor 22, and the rotational force is transmitted to the driven pulley 32 through the belt 30 to be rotated. Therefore, as the eccentric shaft 36 is rotated, the eccentric portion 37 performs a circular motion as shown in FIG. 3A. The lower end of the connecting rod 38 rotatably connected to the eccentric portion 37 also has a circular motion, but the upper end of the connecting rod 38 is moved only up and down, so that the footrest 20 is elevated.

On the other hand, since each eccentric part 37 is arrange | positioned so that 180 degree phase difference may become high, when either connecting rod 38 raises, the other connecting rod 38 will fall. Therefore, both sides of the scaffold 20 periodically repeats the operation of raising or lowering around the support bar 50. At this time, the eccentric portion of the balance weight 39 also faces the same direction as the eccentric portion 37 of the eccentric shaft 36. Therefore, the vertical right force acting upward with respect to the descending connecting rod 38 is canceled by the eccentric portion of the balance weight 39, so that the overload is not applied to the motor 22.

In the present embodiment 1 shown in the drawings because the belt is used to provide a friction force by forming a projection on the circumferential surface of the pulleys, when replacing the pulleys with a sprocket, a chain may be used instead of the belt.

Therefore, when the user positions both feet on the footrest 20 while holding or relying on a part of the handle 18, both left and right sides of the footrest 20 automatically move up and down, and physical therapy for rehabilitation as well as normal people. Me or users who lack their own exercise ability can be used easily, sufficient exercise effect is exerted.

<Example 2>

Figure 5 is a perspective view showing the external structure of the muscle strengthening mechanism according to the second embodiment, as shown, the other structure is the same as the first embodiment, but the scaffold is composed of two independent plates rather than a single plate. Each scaffold 80a, 80b may be connected to the driving device shown in the first embodiment to perform the seesaw operation, but in the second embodiment, only one of the scaffolds 80a, 80b is selectively operated. This is to strengthen the strength of only one leg or to be used by a rehabilitation patient who is treated with only one leg.

Thus, in the drive device shown in Embodiment 1, an electric switching device for selectively transmitting the rotational force of the motor to each of the scaffolds 80a and 80b is provided, the detailed structure of which is shown in FIG.

As shown in the drawing, a guide groove 82 is formed in the base 12 between the respective footholds 80a and 80b, and the motor 22 is movably supported by the guide groove 82. That is, as shown in FIG. 7B, coupling protrusions 92 are formed at both sides of the fixing base 90 on which the motor 22 is mounted, and the coupling protrusions 92 are formed at both side walls of the guide groove 82. It is inserted into the guide groove (not shown) to be movable. On the other hand, the switching lever 83 is provided in the motor 22 so that the switching lever 83 protrudes upward through the guide groove 82. Here, the length of the guide groove 82 is formed about twice the width of the drive pulleys (26, 28), the reason will be described later.

Again, in Fig. 6, a pair of ball bearings 94a and 94b are installed in the motor shaft 24 on both sides of each of the drive pulleys 26 and 28 so as to idle. That is, in FIG. 7B, the inner races of the ball bearings 94a and 94b are keyed to the motor shaft 24 and rotated together, while the outer race is idling independently of the motor shaft 24. Therefore, when the belt 30 is coupled to the outer race of the ball bearings 94a and 94b, the power of the motor 22 is not transmitted to the belt 30. Spacers 96a and 96b are provided on the motor shaft 24 to minimize friction between the ball bearing 94 and the pulleys 26 and 28 and to prevent the ball bearing 94 from being separated from the motor shaft 24. Is combined.

One end of the motor shaft 24 to which the ball bearing 94, the pulleys 26 and 28, and the spacers 96a and 96b are coupled is supported by the bracket 44, and protrudes outward of the bracket 44. A spring 98 is fitted to the end of the motor shaft 24 to adjust the play caused by the movement of the motor 22.

As such, the belt 30 is selectively coupled to the driving pulleys 26 and 28 or the ball bearing 94 in accordance with the movement of the motor 22, so that the moving length of the switching lever 83 for moving the motor 22 is moved. Should be adjusted correctly. By the way, since the switching lever 83 moves along the guide groove 82, when the length of the guide groove 82 is twice the width of the driving pulleys 26 and 28, the maximum movement displacement of the switching lever 83 becomes angular. It is limited to the sum of the widths of the drive pulleys 26 and 28. For this reason, the length of the guide groove 82 is determined to be twice the width of the drive pulleys 26 and 28.

On the other hand, the belt 30 may be selectively coupled to the ball bearing 94 or the driving pulleys 26 and 28 by the movement of the motor 22, and may be pulled together in the moving direction of the motor 22 to be separated. . To prevent this, belt release preventing means are disposed between the drive pulleys 26 and 28 and the driven pulley 32, the detailed structure of which is shown in FIG.

As shown, the belt 30 is wound around an idle pulley 88b having a width corresponding to the width of the belt 30, and a flange for preventing the belt 30 from flowing on both ends of the idle pulley 88b ( 108a, 108b are formed. The idle pulley 88b is rotatably fitted to the shaft 88a, and both ends of the shaft 88a are fixed to a pair of brackets 86 provided on the base 12.

In addition, since the respective steps 80a and 80b operate independently, a means for supporting each lifting motion is also provided, the structure of which is shown in Fig. 7A.

As shown, a pair of guide rollers 100 on both sides of the hinge pin 42 rotatably connecting the connecting rod 38 to the fixture 40a, i.e., perpendicular to the axial direction of the hinge pin 42. ) Is rotatably installed. Since each guide roller 100 is rotatably supported by the guide rail 102 installed on the base 12, the lifting operation of each foot plate 80a, 80b becomes smooth.

Hereinafter, the operation of the second embodiment configured as described above will be described in detail.

For example, when only the right leg moves, the shift lever 83 is advanced. Then, the motor 22 and the motor shaft 24 are also advanced so that the left belt 30 wound around the left drive pulley 26 in FIG. 6 is wound around the right drive pulley 28. On the other hand, the right belt 30 wound around the right drive pulley 28 is wound around the outer circumference of the right ball bearing 94b. Therefore, the power of the motor 22 is transmitted to the right driven pulley 32 through the right drive pulley 28 and the left belt 30, but the ball bearing 94b is idling so power is transmitted to the right belt 30. It doesn't work. Here, when the motor 22 moves, the belt 30 is supported by the idle pulley 88b, so that there is no fear of being separated.

In this way, the rotational force of the motor 22 is not transmitted to the left driven pulley 32, and the left foot plate 80b does not move up and down, while the right driven pulley 32 to which the rotational force is transmitted is eccentric. As the shaft 36 is rotated, only the right footrest 80a is lifted by the connecting rod 38 being lifted. At this time, while the scaffold 80a is elevated, the guide roller 100 rotates along the inside of the guide rail 102, so that the lifting motion of the scaffold 80a is firmly supported and smoothed.

In order to exercise the left foot, it is enough to reverse the switching lever 83 to the contrary, and in the case of exercising both feet, the switching lever 83 may be positioned in the neutral position.

The description so far is based on the assumption that the motor 22 provides the rotational force to the driving source. However, when the driving source is a device for generating hydraulic pressure, the apparatus for operating the foot plates 22, 80a and 80b may be constituted by a hydraulic cylinder. It may be. In this case, it is suitable to use a pilot valve for converting the flow path to the electric switching device, but it is of course also possible to use an electronic control device.

As described above, the exercise device according to the present invention enables the exercise state by its own driving device, regardless of the user's muscle strength, and when the muscle strength is deteriorated or when continuous physical therapy is needed, or injuries, etc. It provides a very useful effect when the rehabilitation therapy is needed.

In addition, the operating foot of the exercise equipment can be selectively driven by the user provides a usefulness that can be used to suit the needs.

Claims (12)

A base settled on a horizontal plane; A post installed upright in front of the base; installed on the base so as to be movable up and down, and having a foot placed by a user; a driving device disposed in the base and periodically lifting both sides of the footrest in a seesaw; And a control panel installed on the post to control driving of the driving device. The drive device, A drive source mounted to the base; A pair of drive pulleys fixed to the shaft of the drive source; A pair of driven pulleys disposed on both sides of each of the driving pulleys and connected by a belt; A pair of eccentric shafts fitted to the driven pulleys and arranged so as to have a predetermined obtuse phase difference therebetween; A bracket installed on the base to rotatably support both ends of each eccentric shaft; And a lower end is rotatably connected to both ends of each eccentric shaft protruding from the bracket, and the upper end is rotatably connected to the underside of the scaffolding to connect the scaffolding by the rotation of the respective eccentric shafts. Muscle strength training apparatus comprising a. 2. The muscular strength according to claim 1, wherein a support rod having both ends fixed to the base while being parallel to the axis of the drive source is adjacent to the lower portion of the scaffold, and both sides of the scaffold are configured to perform a seesaw operation around the support rod. Strengthening exercise equipment. 2. A pair of balance weights are eccentrically fitted on each of the eccentric shafts so as to be located opposite to each driven pulley, and the eccentric portions of the respective balance weights are oriented in the same direction as the eccentric portions of the eccentric shafts. It is disposed so as to face, muscle strength strengthening exercise equipment, characterized in that configured to cancel the right force acting in a direction opposite to the moving direction of the connecting rod. The muscle strength-enhancing exercise device according to claim 1, wherein the phase difference between the eccentric shafts is 180 degrees. According to claim 1, wherein the upper end of the connecting rod, muscle strength strengthening exercise equipment, characterized in that connected to the fastener fixed to the bottom of the footrest by a hinge pin. The muscle strength strengthening exercise device according to claim 1, wherein the rotation diameter of the eccentric shaft is 5 to 20 mm. The muscle strength strengthening exercise device according to any one of claims 1 to 7, wherein the scaffold is composed of one single plate. 8. The muscle strength training apparatus according to any one of claims 1 to 7, wherein the scaffold is composed of a pair of independently operated pairs. The driving device of claim 8, wherein the driving device includes an electric switching device for selectively transmitting power of the driving source to only one of both driven pulleys such that only one of the respective scaffolds is selectively operated. , A guide groove formed in the base to support the driving source so as to be movable; A switching lever fixed to the drive source and protruding through the guide groove; A pair of bearings fitted idlely on drive shafts on both sides of each of the drive pulleys, the bearings being selectively coupled to respective belts according to a moving direction of the drive source, and not transmitting a driving force to a driven pulley; And And a means disposed between each of the drive and driven pulleys to prevent the belt from being detached due to the axial movement of the drive source. The method of claim 9, wherein the belt separation prevention means, An idle pulley in which the belt is wound and a pair of flanges are formed at both ends to prevent the belt from flowing; A shaft in which the idle pulley is rotatably fitted; And Both ends of the shaft is fixed, the strength training device characterized in that it comprises a pair of brackets provided on the frame. The method of claim 9 or 10, wherein the pair of guide rollers are rotatably installed on the left and right sides of the hinge pin, the guide rail for guiding the lifting movement of each guide roller is installed on the frame, characterized in that Strength training equipment to do. The muscle strength strengthening exercise device according to claim 9 or 10, wherein a length of the guide groove is equal to a length obtained by adding up the widths of the respective driving pulleys.