KR102507289B1 - Electric exercise machine having self-lock reducing part - Google Patents

Abstract

An electric lifter having a self-locking deceleration unit according to the present invention includes a backrest bed connected to a support unit to be relatively rotatable; an ankle fixing part that rotates relative to the backrest bed and selectively fixes an ankle; and a self-locking deceleration part provided between the support part and the backrest bed to prevent reverse rotation of the backrest bed when a reverse load is applied in a direction opposite to the normal movement direction of the backrest bed.
The electric pull-up device having a self-lock deceleration unit according to the present invention prevents the reverse rotation of the backrest bed by the self-lock deceleration unit even when a reverse load is applied, giving the user a sense of stability and providing convenience to exercise as the feet are firmly fixed. Falling can be prevented, and when the power supply is interrupted, the user can forcibly rotate the input shaft of the self-locking deceleration part through the unlock lever directly, so that the backrest bed can be returned to its original position, preventing emergency situations and minimizing the possibility of safety accidents. can

Description

Electric pick-up device with self-lock reduction part {ELECTRIC EXERCISE MACHINE HAVING SELF-LOCK REDUCING PART}

The present invention relates to an electric lifter having a self-locking deceleration unit, and more particularly, to a self-locking deceleration unit capable of preventing reverse rotation by self-locking when a backrest bed rotatably connected to a support is momentarily stopped. It's about an electric pick-up device.

Kkeokkuri or upside-down exercise device is a health exercise device widely used in health clubs or at home. It refers to a device capable of performing various exercises by fixing the feet to the foot fixing part and then rotating the rotating plate at a desired inclination angle to hang it at an inclined angle.

The use of such an exercise device can be beneficial to the user's various physical activities and health. For example, there are advantages in that handstand can facilitate blood circulation or body shape correction, or high-load, high-density aerobic exercise such as sit-up can be performed in a relatively short time.

Most of the rotational structures (reducers) that rotate the rotating plate with respect to the support of the reel movement device use gear trains of spur gears or some worm and worm gear types have been disclosed, and some may be provided with planetary gear systems.

However, in the case of the existing speed reducer, if a reverse load is applied in the opposite direction to the normal rotation direction of the exercise device during exercise, the rotation plate rotates randomly, making the user unstable or unable to firmly fix the feet, causing inconvenience to the exercise and causing the user to arbitrarily There is a problem with a high risk of falling.

In addition, when the power supply to the device is stopped in a state where the user's head is lower than horizontal and the legs are elevated, that is, in a state where the device is suspended upside down, the configuration for forcibly rotating the rotating plate to its original position is rather poor, resulting in an emergency situation and the possibility of safety accidents. There are high problems.

The present invention has been proposed to solve the above problems, and even when a reverse load is applied, the reverse rotation of the backrest bed is prevented by the self-locking deceleration part, giving the user a sense of stability, and providing convenience for exercise by firmly fixing the feet. Falling can be prevented, and when the power supply is interrupted, the user can forcibly rotate the input shaft of the self-lock deceleration part through the unlock lever directly, so that the backrest bed can be returned to its original position, preventing emergency situations in advance and minimizing the possibility of safety accidents. Provided is an electric pick-up device having a self-locking deceleration unit.

To achieve the above object, an electric pull-up device having a self-locking deceleration unit according to the present invention includes a backrest bed connected to a support unit to be relatively rotatable; an ankle fixing part that rotates relative to the backrest bed and selectively fixes an ankle; and a self-locking deceleration part provided between the support part and the backrest bed to prevent reverse rotation of the backrest bed when a reverse load is applied in a direction opposite to the normal movement direction of the backrest bed.

a driving unit connected to the input shaft of the self-lock reduction unit; and first and second switches for driving and disabling the backrest bed and the ankle fixing part.

The self-lock reduction unit may include a casing having a first internal gear on an inner periphery; a sun gear body disposed on the shaft of the casing and connected to the drive unit; a carrier including a plurality of first planet gears meshed with the first internal gear and the sun gear body, and a second planet gear disposed in an axial direction with the first planet gear; and an output housing partially disposed between the casing and the carrier and meshed with a second internal gear provided at an inner periphery and the second planet gear, respectively.

The backrest bed may be coupled to the output housing.

The sun gear body is disposed to be exposed to the output housing opposite to the casing, and an unlock lever hole through which a user manually rotates an input shaft when power supply is cut off may be provided in the sun gear body.

A spindle shaft coupled to the first planet gear may be provided in the carrier, and the second planet gear may be coupled to the spindle shaft in parallel.

The number of gear teeth of the second planet gear may be provided to be relatively smaller than the number of gear teeth of the first planet gear.

The number of teeth of the second internal gear may be relatively smaller than the number of teeth of the first internal gear.

The electric pull-up device having a self-lock deceleration unit according to the present invention prevents the reverse rotation of the backrest bed by the self-lock deceleration unit even when a reverse load is applied, giving the user a sense of stability and providing convenience to exercise as the feet are firmly fixed. Falling can be prevented, and when the power supply is interrupted, the user can forcibly rotate the input shaft of the self-locking deceleration part through the unlock lever directly, so that the backrest bed can be returned to its original position, preventing emergency situations and minimizing the possibility of safety accidents. can

1 and 2 are perspective and side views of an electric pick-up device having a self-locking deceleration unit according to an embodiment of the present invention.
3 is a perspective view of a self-lock deceleration unit and a drive unit in an electric lifter having a self-lock deceleration unit according to an embodiment of the present invention.
Figure 4 is a partial cross-sectional view of Figure 3;
FIG. 5 is a diagram schematically illustrating a front view of a carrier and a casing including a sun gear body, first and second planet gears in the self-lock deceleration unit of FIG. 3 .
6 is a schematic cross-sectional view of a self-lock deceleration unit in an electric pick-up device having a self-lock deceleration unit according to an embodiment of the present invention.

Hereinafter, an embodiment of an electric pick-up device having a self-lock deceleration unit according to the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are a perspective view and a side view of an electric pick-up device having a self-lock deceleration unit according to an embodiment of the present invention, and FIG. FIG. 4 is a perspective view of a deceleration unit and a drive unit, and FIG. 4 is a partial cross-sectional view of FIG. 3. FIG. 5 is a schematic front view of a carrier and a casing including a sun gear body, first and second planet gears in FIG. 3, 6 is a schematic cross-sectional view of a self-lock deceleration unit in an electric pick-up device having a self-lock deceleration unit according to an embodiment of the present invention.

As shown in FIGS. 1 to 6 , the electric lifter having the self-lock deceleration unit 400 according to an embodiment of the present invention includes a backrest bed 200 connected to a support unit 100 to be relatively rotatable; An ankle fixing part 300 connected to the backrest bed 200 and rotated relative to the backrest bed 200 to selectively fix an ankle; It is provided between the support part 100 and the back bed 200 and between the connector and the ankle fixing part 300, respectively, in a direction opposite to the normal direction of the back bed 200 and the ankle fixing part 300. a self-lock deceleration unit 400 preventing reverse rotation of the backrest bed 200 when a reverse load is applied to the backrest bed 200; A drive unit 500 connected to the input shaft 511 of the self-lock deceleration unit 400 may be included.

Referring mainly to FIGS. 1 and 2 , the support part 100 may include a vertical frame 120 provided in a vertical direction (vertical direction) with respect to the base frame 110 . In this embodiment, the base frame 11 and the vertical frame 120 may be integrally provided using a pipe-shaped member having a circular cross section.

The back bed 200 may be provided to be capable of relative rotation with respect to the support part 100 , and to be precise, the back bed 200 may be coupled to the output housing 440 .

At least one pressure sensor (not shown) may be provided on the plate surface of the backrest bed 200 . When it is determined by the pressure sensor that the backrest bed 200 is tilted more than 90 degrees, the second switch may be turned off so as not to operate.

On the support part 100, first and second switches (not shown) for driving and disabling the backrest bed 200 and the ankle fixing part 300 may be further included.

On the other hand, in the case of the existing reducer, if a reverse load is applied in the opposite direction to the normal rotation direction of the exercise device during exercise, the rotation plate rotates arbitrarily, making the user unstable or unable to firmly fix the feet, causing inconvenience to the exercise and causing the user to arbitrarily There is a problem with a high risk of falling.

Accordingly, in the present embodiment, the self-locking deceleration unit (which does not rotate in the reverse direction (counterclockwise direction in FIG. 400) may be provided.

As shown in FIGS. 3 to 6 , the self-lock deceleration unit 400 includes a casing 410 provided with a first internal gear 411 on an inner periphery; a sun gear body 420 disposed on the shaft of the casing 410 and connected to the driving unit 500; A plurality of first planet gears 431 meshed with the first internal gear 411 and the sun gear body 420, respectively, and a second planet disposed parallel to the first planet gear 431 in the axial direction. a carrier 430 including a gear 432; and an output housing 440 meshed with the second internal gear 441 provided on the inner periphery and the second planet gear 432, respectively.

The driving unit 500 may be coupled to one side of the casing 410 , and an input shaft 511 of the driving unit 500 may be disposed within the casing 410 . A flange 450 may be provided at one end of the casing 410 .

Referring mainly to FIG. 6 , a first internal gear 411 may be provided on the inner periphery of the casing 410 . The first internal gear 411 may be meshed with the first planet gear 431 so that the first planet gear 431 may revolve with respect to the sun gear body 420 . This is because the first internal gear 411 is coupled to the inner wall of the casing 410 .

The sun gear body 420 is disposed on the shaft of the casing 410 and is connected to the driving unit 500, and may be provided to extend long in the longitudinal direction of the sun gear body 420.

An unlock lever hole 421 may be provided on the opposite side of the sun gear body 420 . The unlock lever hole 421 may be exposed to the output housing 440 on the opposite side of the casing 410 . As a result, an unlock lever (not shown) is detachably coupled to the unlock lever ball 421 so that the sun gear body 420 and the input shaft 511 connected thereto can be forcibly rotated, so that even in an emergency situation where the power supply to the device is cut off, the user can The backrest bed 200 can be easily erected.

A carrier 430 may be provided inside the casing 410 , and a spindle shaft 433 may be provided in the carrier 430 . Also, the first planet gear 431 may be coupled to the spindle shaft 433 .

The first planet gear 431 may be meshed with the first internal gear 411 and the sun gear body 420, respectively.

Also, the second planet gear 432 may be coupled to the spindle shaft 433 . The second planet gear 432 may be disposed parallel to the first planet gear 431 in the axial direction and orbitally move corresponding to the first planet gear 431 . At this time, the gear train is not provided in the sun gear body 420 disposed at the corresponding position of the second planet gear 432, and therefore, the sun gear body 420 and the second planet gear 432 are not meshed with each other.

To explain this in more detail, it is not meshed between the sun gear body 420 and the second planet gear 432, so centripetal planetary motion is not established. One output shaft 442), the point of action (the aforementioned first planet gear 431, input shaft 511 or carrier 430, etc.) is not operated.

Accordingly, the load or external force due to the reverse load applied to the back bed 200 cannot rotate the input shaft 511, preventing the back rotation of the back bed 200, giving the user a sense of stability, and ensuring that the feet are firmly fixed for exercise. It provides convenience and has the advantage of preventing random falling.

Here, the number of gear teeth N2 of the second planet gear 432 may be relatively smaller than the number of teeth N1 of the first planet gear 431 .

The number of teeth I2 of the second internal gear 441 may be relatively smaller than the number of teeth I1 of the first internal gear 411 .

The difference in the number of gear teeth is such that the number of revolutions of the input shaft 511 is reduced and output to the output shaft 442 by the planetary system of the self-lock reduction unit 400, and the torque of the input shaft 511 is increased to the output shaft 442. can be output as

The driving unit 500 may be connected to the self-lock reduction unit 400, and a reduction gear 510 may be provided between them.

The apparatus of this embodiment may further include first and second switches 600 and 610 for driving and disabling the backrest bed and the ankle fixing part.

A pressure sensor is provided on the upper part of the backrest bed, and when it is determined by the pressure sensor that the backrest bed is tilted more than 90 degrees, the second switch 610 can be turned off so as not to operate. Accordingly, even if the user accidentally presses the second switch 610 in an upside-down state, the ankle fixing part 300 does not operate, thereby ensuring the user's safety.

Through this configuration, reverse rotation of the backrest bed 200 is prevented by the self-lock deceleration unit 400 even when a reverse load is applied, giving the user a sense of stability, providing convenience to exercise as the feet are firmly fixed, and preventing random falling. It can be.

In addition, when the power supply is stopped, the user can forcibly rotate the input shaft 511 of the self-lock reduction unit 400 directly through the unlock lever, so that the backrest bed 200 can be easily returned to its original position, preventing an emergency situation in advance. The possibility of safety accidents can be minimized.

Hereinafter, the operation process through the electric pick-up device equipped with the self-lock deceleration unit 400 according to this embodiment will be described in detail with reference to FIGS. 1 to 6.

First, the user sits on the back bed 200 and drives the ankle fixing part 300 to fix the ankle. After placing the foot on the support bar 340 and grounding the ankle to the holding bar 310, the rotation bar 320 is rotated to fix the ankle.

Next, the device is operated in a forward direction (clockwise direction) based on FIG. 2 . When the device is continuously driven after the user's body is leveled, the user's body is placed upside down.

Thereafter, a reverse load may be applied in the reverse direction by a user performing a sit-up exercise or by a violent action in the upside-down state. At this time, the reverse load is not transmitted to the input shaft by the self-lock reduction unit 400, and A so-called self-lock function in which rotation of the bed 200 in the reverse direction (counterclockwise direction) is suppressed may be performed.

Describing this in more detail, as shown in FIGS. 4 and 6 , the sun gear body 420 has no teeth formed at a position corresponding to the second planet gear 432 .

Accordingly, there is no meshing between the sun gear body 420 and the second planet gear 432, so centripetal planetary motion is not established. )), the action point (the aforementioned first planet gear 431, input shaft 511 or carrier 430, etc.) is not operated.

Through this, reverse rotation of the backrest bed 200 does not occur under any reverse load, and a sense of stability is given to the user, feet are firmly fixed, providing convenience for exercise, and arbitrary falling can be prevented.

In addition, when the power supply is stopped, the user can forcibly rotate the input shaft 511 of the self-lock reduction unit 400 directly through the unlock lever, so that the backrest bed 200 can be easily returned to its original position, preventing an emergency situation in advance. The possibility of safety accidents can be minimized.

In the above, the present invention has been described in detail using preferred embodiments, but the scope of the present invention is not limited to specific embodiments, and should be interpreted according to the appended claims. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

100: support 110: base frame
120: vertical frame 200: back bed
210: pressure sensor 300: ankle fixing part
310: holding bar 320: rotating bar
400: self-lock reduction part 410: casing
411: first internal gear 420: sun gear body
421: unlock lever ball 430: carrier
431: first planet gear 432: second planet gear
440: output housing 441: second internal gear
500: driving unit

Claims (8)

a backrest bed connected to the support so as to be relatively rotatable;
an ankle fixing part that rotates relative to the backrest bed and selectively fixes an ankle; and
A self-locking deceleration part provided between the support part and the backrest bed to prevent reverse rotation of the backrest bed when a reverse load is applied in a direction opposite to the normal advancing direction of the backrest bed. An electric puller. According to claim 1,
a drive unit connected to the self-lock reduction unit; and
The electric pick-up device having a self-locking deceleration part, characterized in that it further comprises first and second switches for driving and disabling the backrest bed and the ankle fixing part. According to claim 2,
The self-lock deceleration unit,
A casing in which a first internal gear is provided on an inner periphery;
a sun gear body disposed on the shaft of the casing and connected to the drive unit;
a carrier including a plurality of first planet gears meshed with the first internal gear and the sun gear body, and a second planet gear disposed in an axial direction with the first planet gear; and
It is partially disposed between the casing and the carrier, and includes a second internal gear provided on an inner periphery and an output housing meshed with the second planet gear, respectively. . According to claim 3,
The backrest bed is coupled to the output housing. According to claim 3,
The sun gear body is disposed to be exposed to the output housing on the opposite side of the casing,
An electric reeling device having a self-locking deceleration unit, characterized in that the sun gear body is provided with an unlock lever hole through which a user manually rotates the sun gear body when power supply is cut off. According to claim 3,
The carrier is provided with a spindle shaft coupled to the first planet gear,
The second planet gear is coupled to the spindle shaft in parallel. According to claim 3,
The electric reeling device having a self-lock reduction unit, characterized in that the number of gear teeth of the second planet gear is provided relatively less than the number of gear teeth of the first planet gear. According to claim 3,
The electric reel device having a self-lock speed reduction unit, characterized in that the number of gear teeth of the second internal gear is provided relatively less than the number of gear teeth of the first internal gear.

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