KR101259744B1 - Apparatus for generating variable load - Google Patents

Abstract

PURPOSE: A variable weight generator is provided to reduce the weight of exercise equipment when a user lifts the equipment up, and to apply the whole weight of the equipment when the user lifts the equipment down, thereby improving the exercise effect without an assistant such as a trainer. CONSTITUTION: A variable weight generator(10) comprises a main body(100), a crank unit(200), and a guide unit(400). The main body includes a handle frame(110) and a weight unit(120). The crank unit installed at one side of the main body varies the weight point(WP) of the weight unit so that the forces of a user during lifting the handle frame up and down can be different from each other. The guide unit guides the movement of the weight unit varied by the crank unit.

Description

Apparatus for generating variable load}

The present invention relates to a variable load generating apparatus, and more particularly, to increase the exercise efficiency by changing the load operating point (WP) of the exercise equipment to the weight training (weight training), in particular, an exercise assistant such as a weight trainer It relates to a variable load generating device which is provided to enable strength exercise alone.

In general, as the standard of living improves, various exercise apparatuses are being developed to maintain a healthy mind, body and a balanced body. Particularly, weight training exercise equipment for strength training among exercise equipments proposes a device that can lift a barbell with a load, or a weight of a set weight connected to a wire. According to the part of the body to be trained, various apparatuses such as bench press, abdominal, butterfly, and female machine are disclosed.

In particular, in a gym mainly equipped with such apparatuses, a weight trainer, that is, an exercise assistant, often assists exercise in pairs with the user to help weight training of the user. In particular, the exercise aids, by lifting the exercise equipment to reduce the load of the user, when lowering to increase the exercise effect by receiving all the load of the person who is exercising. However, in a gym where many people exercise, the number of exercise assistants such as the trainer is insufficient, so that it is practically difficult to assist each other next to the user, and most of the users exercise alone without a trainer.

Therefore, not only can not effectively use the exercise equipment under load, due to the fatigue of the muscle is not possible to reciprocate more than a certain number of times. As a result, there is a problem that the exercise effect is halved when there is no exercise assistant.

In order to solve this problem, the prior art document 'Korean Patent No. 10-0657716' discloses a load removing device for weight training. The weight removing apparatus for weight training includes a driving unit for driving a lifting unit to a load mechanism such as a barbell that is repeatedly lifted and lowered, and a sensing unit for measuring the speed of the barbell to automatically support the barbell by the exercise assistant. You can exercise without help.

However, the conventional weight removal device for weight training, there is a disadvantage that automatically supports the barbell, and automatically supports not only the up load but also the down load so that the effect of the exercise is lowered when the user does not apply the force. In addition, such a device itself is bulky, it is practically difficult to use in a narrow space, such as a home, the manufacturing process is complicated and the manufacturing cost is increased, in particular, there is a problem that a separate barbell must be provided during exercise.

The present invention was created in order to solve the problems as described above, when the lifting device and the lifting point when lowering (WP) when the variable is variable, maximizing the exercise effect, exercise alone without an exercise assistant, such as a trainer It is an object of the present invention to provide such a variable load generating device.

According to the present invention for achieving the above object, a body having a handle frame that can be repeatedly lifted or lowered by the user, and a load action portion coupled to the handle frame so as to be movable relative to the weight frame; A crank unit installed at one side of the main body to vary the load action point (WP) of the load action part so that the force of lifting and lowering the handle frame is different; And a guide means for guiding the movement of the load action section, which is varied by the crank unit.

The crank unit may further include a connection part connected to the load action part and a force for pushing or pulling the connection part to vary the load action point WP of the load action part in conjunction with the operation of the handle frame. It may include a power supply connected to.

The connection part may include a first connection member connected to the load action part, a second connection member having one end hinged to the first connection member and the other end connected to the power supply part.

In addition, the power supply unit, the first shaft is fixedly coupled to one end of the handle frame to rotate in conjunction with the operation of the handle frame, the first shaft fixedly coupled to the first shaft and rotates in conjunction with the first shaft A gear, a second gear that meshes with the first gear and rotates in coordination, and the second gear is fixedly coupled to rotate with the second gear, and the second connecting member is fixedly coupled to connect the second connecting member. It may include a second shaft for pushing or pulling.

The power supply unit may include a rotation shaft fixedly coupled to one end of the second connection member and rotatably installed, and a rotation means connected to the rotation shaft to rotate the rotation shaft in a forward or reverse direction.

The power supply unit may further include a sensor for detecting an operation of pushing or pulling the handle frame, and a controller for controlling the rotation of the rotation means in response to a detection signal of the sensor.

In addition, the guide means, the guide portion is formed with a guide groove so that the load action portion is inserted and movable, hinged to one end of the first connecting member, wraps the load action portion inside, interlocked with the load action portion It may include a moving unit.

In addition, a play may be formed between the inside of the moving part and the load action part.

In addition, the crank unit, when lifting the handle frame, the load action point (WP) of the load action portion is closer to the user, and when the handle frame is lowered, the load action point (WP) of the load action portion is far from the user Can be variable to

According to the variable load generating apparatus according to the present invention, the load action point when lifting and lowering the exercise equipment is varied, thereby reducing the load burden when lifting the exercise equipment, and when the lowering, all the loads are exercised. It has the advantage of increasing the exercise effect without the need for exercise aids such as trainers. Moreover, because of this effect, not only the gym, but also can be exercised alone at home, such as not having to go to the gym to pay a lot of money, it is possible to exercise at any time regardless of time and place. In addition, the production cost is low and the process is simple, so that the practicality and productivity are excellent.

1 is a perspective view of a variable load generating apparatus according to an embodiment of the present invention,
2A to 2D are side views showing the operating state of the variable load generating device shown in FIG. 1 step by step;
3 is a perspective view of a variable load generating apparatus according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

1 is a perspective view of a variable load generating apparatus 10 according to an embodiment of the present invention, Figures 2a to 2d are side views showing the operating state of the variable load generating device 10 shown in FIG.

Referring to the drawings, the variable load generating apparatus 10 according to an embodiment of the present invention, the main body 100, the crank unit 200 and the guide means 400.

The main body 100 includes a handle frame 110 and a load action part 120. Here, the handle frame 110, the handle is provided on one side so that the user can grip in the lying down state, the other end is fixed to the power supply unit 220 of the crank unit 200 to be described later (後 術) Combined. The handle frame 110 is repeatedly moved in the vertical direction by the user, and serves to generate the muscle of the user.

The load action part 120 is fixed to the guide groove 411 of the guide means 400 to be described later, which is installed on one side of the handle frame 110 to be movable. Here, the load action part 120, the weight 121 is connected to the handle frame 110 to be relatively movable. And the load action part 120, serves to vary the load action point (WP) of the weight (121). In other words, one end of the load action part 120 is fixed to the guide groove 411 of the guide means 400 to be described later, the other end is protruded to the outside. At this time, one end of the wire 122 is fixed to the end of the load action portion 120. The other end of the wire 122 connects the weight 121 installed at one side of the main body 100. Then, according to the interlocking of the handle frame 110, the load action unit 120, the wire 122 moves. Then, the load action point WP of the weight 121 connected to the wire 122 is varied by the load action part 120. Here, the method of operating the load action part 120 will be described later.

On the other hand, the weight 121 is installed to be repeatedly lifted up and down mainly by the handle frame 110 on one side of the main body 100. In particular, the total weight of the weight 121 is set to approximately 200kg and divided into approximately 10kg within the weight is set according to the purpose of the user to play a role of moving up and down.

The crank unit 200 includes a connection unit 210 and a power supply unit 220. Here, the connection part 210 includes a first connection member 211 and a second connection member 212.

The first connection member 211 has a plate shape, one end of which is connected to the load action part 120 and the other end of which is connected to the second connection member 212. In other words, the first connection member 211 is hinged to one side of the moving part 420 of the guide means 400, one end of which will be described later. And the other end opposite is hinged to one end of the second connecting member (212). The first connection member 211 is relatively rotated in accordance with the rotation of the second connection member 212 serves to move the moving unit 420 to be described later.

The second connection member 212 has a plate shape, one end of which is rotatably coupled to the other end of the first connection member 211, and the other end thereof is connected to the power providing unit 220 to be described later. The second connection member 212 is fixedly coupled to the power supply unit 220 to be described later serves to relatively rotate the first connection member 211 in accordance with the rotation of the power supply unit 220.

The power supply unit 220 includes a first shaft 221, a first gear 222, a second gear 223, and a second shaft 224. Here, the first shaft 221 is fixedly coupled to one end of the handle frame 110, it is interlocked rotation in accordance with the operation of the handle frame (110). The first gear 222 is fixedly coupled to one side of the first shaft 221. Here, the first gear 222 is interlocked with the first shaft 221.

The second gear 223 is interlocked with the first gear 222 to rotate. In particular, the second gear 223 is fixedly coupled to the second shaft 224, which will be described later, and is interlocked with the second shaft 224. The second shaft 224 is fixedly coupled to the second gear 223 to rotate in conjunction with, and fixedly coupled to the second connection member 212. The second shaft 224 serves to push or pull the second connection member 212.

The guide means 400 includes a guide part 410 and a moving part 420. Here, the guide part 410 is installed on one side of the handle frame 110. In addition, the guide groove 411 into which the load action part 120 is inserted is formed. The guide groove 411 performs a function of guiding the load action part 120 to move. The moving part 420 is bent to face each other in a plate shape and the upper one side is hinged to one end of the first connection member 211. The moving part 420 is wrapped around the load action part 120 to interlock with the load action part 120.

Meanwhile, the main body 100 is illustrated as an exercise device having a bench (Bench) so that the user can lie down in addition to the handle frame 110 and the load action unit 120, but this is only illustrative and limited in the present invention. Not sits. That is, the main body 100 may be an exercise device that can sit or stand weight exercise. For example, there is an abdominal, a butterfly, a female machine.

Hereinafter, with reference to the accompanying drawings will be described the operation and effect of the variable load generating apparatus 10 according to an embodiment of the present invention.

Prior to this, the user sets the weight of the weight 121 installed on one side of the main body 10 as the weight of the target of the user. In addition, the handles of the handle frame 110 are gripped by using both hands while lying on a bench of the main body 100.

First, the user starts to exercise by slowly pressing the handle frame 110 upward. Then, as shown in Figs. 2B to 2D, the following operating states appear. First, referring to FIG. 2B, the handle frame 110 is moved upward by the user. At this time, the first shaft 221 fixedly coupled to one end of the handle frame 110 is the handle. It is rotated in conjunction with the frame 110. Then, the first gear 222 fixedly coupled to the first shaft 221 is interlocked with the first shaft 221. In this case, as the first gear 222 rotates, the second gear 223 meshed with the first gear 222 rotates in coordination with the first gear 222. Then, the second shaft 224 fixedly coupled to the second gear 223 is rotated in conjunction with the second gear (223). At this time, the second connection member 212 fixedly coupled to one side of the second shaft 224 is rotated in conjunction with the second shaft 224. The first connection member 211 rotatably coupled to one end of the second connection member 212 rotates relative to the second connection member 212. Then, the moving part 420 hinged to one end of the first connection member 211 is moved. Meanwhile, a play is formed between the inside of the moving part 420 and the load action part 120, and between the moving part 420 and the load action part 120 by the operation of the crank unit 200. The play is gradually reduced. This operation is a section in which the user lifts the handle frame 110 even with a small force.

2C, the handle frame 110 is rotated to the top by the user. At this time, the moving unit 420 is in a state in which the load action unit 120 is moved closer to the user. Therefore, the load action point WP of the load action part 120 is closer to the user. This operation is a section in which the user initially lifts the handle frame 110 with a small force (see FIG. 2B), and the lifting force gradually changes to the maximum force (see FIG. 2C).

Referring to the drawings again, Figure 2d is a state in which the handle frame 110 is lowered by the user. Here, the crank unit 200 is operated in the opposite direction to the operations shown in FIGS. 2B and 2C to rotate the connection unit 210 and the power supply unit 220 in the reverse direction. Then, the moving part 420 moves the load action part 120 away from the user side. Therefore, the load action point WP of the load action portion 120 is gradually away from the user side. This operation is a section in which the force that the user is subjected to the load is the maximum force and produces the highest anaerobic exercise efficiency (see FIG. 2D).

As described above, according to the variable load generating device 10, the weight 121 installed on one side of the main body 100 is connected to the handle frame 110 by the wire 122, When lifting the handle frame 110 and lowering the load action point (WP) when lowering, reducing the load burden in the case of lifting the handle frame 110, when the lowering so that the person who is exercising receives all the load It has the advantage of increasing the exercise effect without the need for exercise assistants such as trainers. Moreover, due to this effect, you can exercise alone at home as well as at the gym, so you do not have to go to the gym where you have to pay a lot of money, and you can exercise at any time regardless of time and place.

Hereinafter, the variable load generating apparatus 20 according to another embodiment of the present invention will be described in detail with reference to the accompanying drawings. Here, the same reference numerals as those shown in Fig. 1 and Figs. 2A to 2D are the same members having the same configuration and function, and thus their repeated description is omitted.

3 is a perspective view of a variable load generating apparatus 20 according to another embodiment of the present invention. Here, the variable load generating apparatus 20 according to another embodiment of the present invention includes a crank unit 300. This crank unit 300, the power is automatically generated serves to vary the load action point (WP). In this case, the crank unit 300 includes a power provider 320.

The power supply unit 320 includes a rotation shaft 321 and the rotation means 322. The rotation shaft 321 is fixedly coupled to one end of the second connection member 312 and rotates in conjunction with the second connection member 312. The rotation means 322 connects the rotation shaft 321 to be rotatable. In particular, the rotation means 322 serves to rotate the rotating shaft 321 in the forward or reverse direction by a power source. On the other hand, the rotating means 322 may be a motor for driving the rotating shaft 321 by a power source, but this is merely illustrative and the rotating means 322 serves to rotate the rotating shaft 321. If it can be combined with a variety of rotation means. Examples include solenoids and actuators. The power supply unit 320 further includes a sensor 323 and a control unit 324. Here, the sensor 323 is installed on one side of the handle frame 110. And it serves to detect the movement of the handle frame 110 that is repeatedly moved up and down by the user. In addition, the control unit 324 is provided adjacent to the rotation means 322. And in response to the signal detected by the sensor 323 serves to control the rotation of the rotation means 322.

As described above, according to the variable load generator 20 according to another embodiment of the present invention, the crank unit 300, by controlling the sensor 323, the signal sensed by the sensor 323 The control unit 324 for driving the rotation means 322 is provided. Therefore, by automatically varying the load action point (WP) has the effect that can be exercised alone without an exercise assistant such as a trainer. In addition, the number of times of exercise is automatically counted, or the amount and intensity of exercise is automatically displayed, so it is easy to grasp the exercise of the user without the assistance of the exercise assistant.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

10,20: variable load generator 100: the main body
110: handle frame 120: load action part
121: weight 122: wire
200,300: crank unit 210,310: connection
211,311: first connection member 312,312: second connection member
220,320: power supply unit 221: first shaft
222: first gear 223: second gear
224: second shaft 321: rotation axis
322: rotation means 323: sensor
324: control unit 400: guide means
410: guide part 411: guide groove
420: moving part

Claims (9)

A main body having a handle frame which can be repeatedly lifted or lowered by a user, and a load action portion coupled to the handle frame so as to be movable relative to the handle frame and having a weight added thereto;
A crank unit installed at one side of the main body to vary the load action point (WP) of the load action part so that the force when lifting and lowering the handle frame is different; And
Variable load generating device comprising a guide means for guiding the movement of the load action unit is variable by the crank unit. The method according to claim 1,
The crank unit,
A connection part connected to the load action part;
And a power supply unit connected to the connection unit to provide power to push or pull the connection unit in order to vary the load action point (WP) of the load action unit in association with the operation of the handle frame. The method according to claim 2,
The connecting portion
A first connection member connected to the load action part;
One end hinged to the first connection member, the other end variable load generating device comprising a second connection member connected to the power supply. The method according to claim 3,
The power providing unit,
A first shaft fixedly coupled to one end of the handle frame and rotating in conjunction with an operation of the handle frame;
A first gear fixedly coupled to the first shaft and interlocked with the first shaft,
A second gear interlocked with the first gear and rotated;
And a second shaft fixedly coupled to the second gear so as to interlock with the second gear and the second connecting member is fixedly coupled to push or pull the second connecting member. The method according to claim 3,
The power providing unit,
A rotating shaft fixedly coupled to one end of the second connecting member and rotatably installed;
And a rotating means connected to the rotating shaft to rotate the rotating shaft in a forward or reverse direction. The method according to claim 5,
The power providing unit,
A sensor for detecting an operation of pushing or pulling the handle frame;
And a control unit for controlling the rotation of the rotation means in response to the detection signal of the sensor. The method according to claim 3,
The guide means,
A guide part in which a guide groove is formed to move by inserting the load action part;
A variable load generating device comprising a moving part hinged to one end of the first connection member and wrapped around the load action part inward, and interlocked with the load action part. The method of claim 7,
Variable load generation device formed with a play between the inside of the moving part and the load action. The method according to any one of claims 1 to 8,
The crank unit,
When lifting the handle frame, the load action point (WP) of the load action portion is closer to the user, when lowering the handle frame 110, the variable variable load so that the load action point (WP) of the load action portion away from the user Load generator.

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