TWI573614B - Leg exerciser - Google Patents

Description

Leg lifter

The present invention relates to an exercise device, and more particularly to a leg lifter.

Fitness equipment solves the problem that sports are limited by the weather or the venue, and it is therefore a priority for busy modern people. Among the various types of fitness equipment on the market, steppers and treadmills are the most common types, because stepping and running are systemic exercises, which can consume calories and firm muscles on the one hand, and strengthen the heart muscle on the other hand. Increase lung capacity. However, when a user uses a stepper or a treadmill, whether based on usage habits or machine design, most of them will not have the opportunity to raise the thigh. Therefore, the effect of muscle strength improvement or curve sculpture is concentrated only on The range below the calf.

In contrast, in the warm-up method commonly used in sports fields, the leg-lifting exercise can effectively stretch the abdominal, hip muscles and hip joints, which are usually not easy to move or exercise, and the leg-lifting exercise can also achieve the effect of consuming calories and tightening muscles. , like the effect of walking or running. At present, the fitness equipment that can perform leg lift training on the market is patent No. M469091, which uses the combination of chain, flywheel and eddy current resistance device to realize leg lifting action, wherein the chain The strip is used to interlock the pedal and the flywheel, and the eddy current resistance device applies resistance to the flywheel, and the inertia of the pedal is controlled by the resistance, so that the user can obtain the feeling and effect similar to the actual leg lift exercise when using the leg lifter for the leg lift training. . However, the flywheel must use the amount of eddy current resistance to adjust the resistance. The system for adjusting the resistance will not only increase the manufacturing cost of the leg raising machine, but also the use of electricity will waste energy and limit the installation position of the user.

In addition, the prior art chain generates noise and vibration during the pedal actuation process, which not only increases the user's discomfort, but also causes the leg lifter to shake. On the other hand, chains, eddy current resistors and flywheels require additional manpower maintenance to maintain normal operation, which significantly increases the cost of subsequent maintenance and repair of the leg lift. It can be seen that there is a lack of a low-cost, low-noise and stable-adjusting leg-lifting machine on the market, so the relevant industry is seeking a solution.

Accordingly, the present invention provides a leg lifter that utilizes a variable depth adjustment eddy current effect between a magnetic field and a metal portion to thereby produce a variable reluctance of the pedal in displacement, which not only modulates the resistance but also does not require the use of electricity. The system, and can also produce the same feeling and effect of the actual leg movement. Furthermore, the elastic portion can reduce the force of the metal portion and the magnetic seat caused by the displacement of the metal portion, and the floating mechanism can not only greatly reduce the wear of the wear pad and reduce the maintenance cost, but also reduce the friction. The noise, which in turn enhances the user's comfort during exercise. In addition, the coaxial pivot is The left and right cranks on the arc can be linked in opposite directions of rotation, which fully conforms to the relative swing of the left and right legs of the human body.

One embodiment of the present invention is a leg raising machine comprising a frame body, a sliding track, a sliding member, a linked track and a linking member. The frame body comprises an arc-shaped path, an arc center and a magnetic seat. The magnetic seat has a magnetic field, and the magnetic seat reciprocally moves along the curved path with the arc center as a center point. The sliding track is arranged on the frame body. The sliding member comprises a stepped card rail, the sliding member is limitedly displaced and positioned on the sliding rail, and the stepped card rail is provided with a plurality of clamping positions corresponding to the curved path, and the distance between each clamping position and the sliding rail is different. The interlocking track is disposed on the frame body and the extending direction of the linked track is perpendicular to a virtual tangent line of the curved path. The extending direction of the interlocking track intersects with the extending direction of the sliding track at an angle. The linkage is limited in displacement and is positioned on the linked track. The linking member includes a slider and a metal portion, wherein the metal portion contacts the magnetic field and is interlocked by the slider. The slider is selectively positionable in one of the clamping positions. The sliding member moves along the sliding track to interlock the slider, and the slider is vertically displaced by the virtual tangent line and corresponds to the arc center, so that the depth of the metal portion enters the magnetic field changes.

Thereby, the leg raising machine of the invention adjusts the eddy current effect by using the relative movement of the magnetic field and the metal part at different depths, thereby generating a variable reluctance of the pedal in the displacement to obtain the adjustable variable resistance and the actual leg lifting motion. Similar feelings and effects. Furthermore, the interlocking track and the sliding track effectively engage the sliding member to drive the linking member, so that when the external force pushes and pulls the sliding member to drive the linking member, the metal portion can be displaced up and down, thereby allowing the metal portion to enter the magnetic field to change the depth and area and adjust the lifting leg. The resistance of the machine to step on. In addition, the step-level card rails create a multi-stage structure for the handle and the metal part, which is not only simple in construction, but also allows the user to Choosing the pedaling resistance that suits you can also avoid the use of chains, eddy current resistors or flywheels, which significantly reduces the cost of manufacturing the leg lift and reduces noise.

According to another embodiment of the foregoing embodiment, the metal portion may include a curved magnetic cutting region that contacts the magnetic field, and the curved magnetic cutting region has an arcuate magnetic cutting area and a curved magnetic cutting area. It is proportional to the aforementioned depth. Furthermore, the stepped card rail may be a hollow stepped hole shape. The step-level card track includes at least one sliding channel, and the sliding channel is connected to the carding position. Each of the clamping positions has two positioning planes, and the sliders correspondingly have two slider planes, and each of the clamping positions respectively contacts the two slider planes by the two positioning planes, so that the sliders engage the sliders. The two positioning planes are parallel to each other, the two slider planes are parallel to each other, and the two positioning planes and the two slider planes are parallel to the virtual tangent line. In addition, the sliding member may include a concave and convex portion, and the foregoing linking member may include a one-stage fixing unit. The concave and convex portions have a plurality of concave portions, and each of the concave portions corresponds to one of the clamping positions of the stepped card rails. The segment fixing unit comprises at least one spring, a roller and a fixed shell. The fixed shell limiting roller is rolled on the concave and convex portion by the force of the spring, so that the roller stably positions the slider at any clamping position. In addition, the sliding member may include a concave and convex portion, and the foregoing linking member may include a one-stage fixing unit. The concave and convex portions have a plurality of concave portions, and each of the concave portions corresponds to one of the clamping positions of the stepped card rails. The segment fixing unit comprises a fixed lock seat and a concave elastic piece. The locking seat is fitted on the concave and convex portion by the elastic force of the concave elastic piece, and the concave elastic piece is stably positioned in each concave portion, so that the sliding block is positioned at any of the locking positions. Furthermore, the aforementioned angle may be greater than 60 degrees and less than 120 degrees, and a preferred angle is 90 degrees. The magnetic seat is resistant to the corresponding metal portion The pad is grounded, and the magnetic seat further comprises two magnets, and the wear pad is located on the surface of the magnet.

In addition, the aforementioned leg raising machine may include a pull handle and a linkage rod. The pull handle drives the linkage rod by a lever mechanism, and the linkage rod pushes and pulls the slide member by the handle. The frame body may include a bracket, a handle, a shaft and two cranks. The support is placed at the upper end of the bracket. The rotating shaft is disposed on the bracket and located at the arc center, and the two cranks are respectively pivoted on both sides of the rotating shaft and are connected in opposite directions. One end of each crank is provided with a magnetic seat, and each crank swings along an arc path centering on the arc center. The curved path includes a first arc length and a second arc length, and the first arc length extends from a virtual vertical line passing through one of the rotating shafts, and the first arc length has an arc of 40 degrees to 100 degrees. The second arc length is connected to the first arc length, and the second arc length extends in reverse from the virtual plumb line. The arc of the second arc length is greater than 0 degrees and less than or equal to 10 degrees.

With the above embodiment, the arcuate magnetic-cut area of the curved magnetic-cut region contacts the magnetic field, which causes a change in the eddy current effect, which in turn causes a change in the magnetic resistance. Users can adjust the resistance and generate resistance without using the power system and power supply. Furthermore, the left and right cranks coaxially disposed on the arc center can be rotated in opposite directions of rotation, and the arcs of the first arc length and the second arc length are in line with the relative swing of the left and right leg lifts of the human body. In addition, the segment fixing unit is easy to stay in the concave portion of the concave and convex portion, and the position of the linking member and the handle can be better defined. In addition, the shape of the stepped rail is matched with the positioning plane and the plane of the slider to stably engage the slider in the clamping position.

Another embodiment of the present invention is a leg raising machine comprising a frame body, a sliding track, a sliding member, a linked track and a linking member. The frame body comprises an arc-shaped path, an arc center and a magnetic seat, and the magnetic seat With a magnetic field, the magnetic seat reciprocally moves along the curved path centering on the arc center. Furthermore, the sliding track is disposed on the frame body and the extending direction of the sliding track is parallel to one of the virtual tangent lines of the curved path. The slider then includes a stepped card rail that is constrained to be displaced and positioned on the sliding track. The segment-shaped card rail has a plurality of card-shaped positions corresponding to the curved path, and the positions of the card-shaped positions and the sliding track are different. In addition, the interlocking track is disposed on the frame body, and the extending direction of the interlocking track and the extending direction of the sliding track are perpendicular to each other. The linkage is limited in displacement and is positioned on the linked track. The linkage member includes a slider, a metal portion and an elastic portion. The metal portion contacts the magnetic field and is interlocked by the slider, and the slider is selectively positioned at one of the clamping positions. The slider parallels the virtual tangential line displacement and interlocks the slider, and the vertical virtual tangential line of the slider is displaced to interlock the elastic portion and corresponds to the arc center, and the elastic portion is coupled to drive the metal portion, so that the depth of the metal portion entering the magnetic field changes.

Thereby, the leg raising machine of the present invention generates an eddy current effect by using relative motions of different depths between the magnetic field and the metal portion, thereby generating a variable reluctance of the pedal in the displacement to obtain a feeling similar to the actual leg raising motion. effect. Furthermore, the interlocking track and the sliding track effectively engage the sliding member to drive the linking member, so that when the external force pushes and pulls the sliding member to drive the linking member, the metal portion can be displaced up and down, thereby allowing the metal portion to enter the magnetic field to change the depth and area and adjust the lifting leg. The resistance of the machine to step on. In addition, the step-level card rails create a multi-stage structure for the handle and the metal part, which not only has a simple structure, but also allows the user to select the pedaling resistance suitable for himself, and avoids the use of chains, eddy current resistors or flywheels, and greatly reduces the leg lifter. manufacturing cost. More importantly, this embodiment can reduce the metal portion generated by the displacement of the metal portion by the external force through the elastic portion. The force of the magnetic seat rubbing against each other, the floating bomb mechanism can not only greatly reduce the wear of the wear pad and reduce the maintenance cost, but also reduce the noise generated by the friction, thereby improving the comfort of the user during exercise.

According to another embodiment of the foregoing embodiment, the linkage member may include a first fixing seat and a second fixing seat, wherein the first fixing seat is coupled by the slider and is locked to one end of the elastic portion, and the second fixing seat The other end of the elastic portion is fixed to the metal portion. When the metal portion is displaced by the external force, the elastic portion springs the reset metal portion, so that the friction between the metal portion and the magnetic seat is lowered. Furthermore, the metal portion may include an arcuate magnetically cut region that contacts the magnetic field. The curved magnetic cutting area has an arc-shaped magnetic cutting area, and the curved magnetic cutting area is proportional to the depth. In addition, the stepped card rail may be a hollow stepped hole shape, and the stepped card rail includes at least one sliding channel, and the sliding channel is connected to the clamping position. Each of the clamping positions has two positioning planes, and the sliders correspondingly have two slider planes, and each of the clamping positions respectively contacts the two slider planes by the two positioning planes, so that the sliders engage the sliders. The two positioning planes are parallel to each other, the two slider planes are parallel to each other, and the two positioning planes and the two slider planes are parallel to the virtual tangent line.

In addition, the sliding member may include a concave and convex portion, and the foregoing linking member may include a one-stage fixing unit. The concave and convex portions have a plurality of concave portions, and each of the concave portions corresponds to one of the clamping positions of the stepped card rails. The segment fixing unit comprises at least one spring, a roller and a fixed shell, and the fixed shell limiting roller is rolled and rolled on the concave and convex portion by the force of the spring, so that the roller stably positions the slider at any clamping position. Furthermore, the sliding member may include a concave and convex portion, and the linking member may include a one-stage fixing unit. among them The concave and convex portions have a plurality of concave portions, and each of the concave portions corresponds to one of the clamping positions of the stepped card rails. The segment fixing unit comprises a fixed lock seat and a concave elastic piece. The fixed lock seat is attached to the concave and convex portion by the elastic force of the concave elastic piece. The concave elastic pieces are stably positioned in the respective recesses, so that the slider is stably positioned at any of the locking positions. In addition, the magnetic seat corresponding to the metal portion is provided with a wear pad, and the magnetic seat further comprises two magnets, and the wear pad is located on the surface of the magnet. In addition, the leg raising machine may include a pulling handle and a linkage rod, and the pulling handle drives the linkage rod by a lever mechanism, and the linkage rod pushes and pulls the sliding member by the pulling handle. The frame body may include a bracket, a handle, a shaft and two cranks. The support is placed at the upper end of the bracket. The rotating shaft is disposed on the bracket and located at the arc center, and the two cranks are respectively pivoted on both sides of the rotating shaft and are connected in opposite directions. One end of each crank is provided with a magnetic seat, and each crank swings along an arc path centering on the arc center. The curved path includes a first arc length and a second arc length, and the first arc length extends from a virtual vertical line passing through one of the rotating shafts, and the first arc length has an arc of 40 degrees to 100 degrees. The second arc length is connected to the first arc length, and the second arc length extends in reverse from the virtual plumb line. The arc of the second arc length is greater than 0 degrees and less than or equal to 10 degrees.

With the above embodiment, the arcuate magnetic-cut area of the curved magnetic-cut region contacts the magnetic field, which causes a change in the eddy current effect, which in turn causes a change in the magnetic resistance. Furthermore, the left and right cranks coaxially disposed on the arc center can be rotated in opposite directions of rotation, and the arcs of the first arc length and the second arc length are in line with the relative swing of the left and right leg lifts of the human body. In addition, the segment fixing unit is easy to stably stay in the concave portion of the concave and convex portion, and the position setting of the linking member and the pulling handle can be made more stable and clear. In addition, the shape of the stepped rail is matched with the positioning plane and the plane of the slider to stably engage the slider in the clamping position.

100‧‧‧ leg lifter

200‧‧‧ frame

210‧‧‧ bracket

212‧‧‧Axis

220‧‧‧

400‧‧‧Sliding parts

410‧‧‧ Stage Cartridge

420‧‧‧Card position

422‧‧‧ positioning plane

430‧‧‧Sliding channel

230‧‧‧ shaft

232‧‧‧First moving shaft

234‧‧‧Second moving shaft

240‧‧‧Arc heart

250‧‧‧ crank

252‧‧‧first link

254‧‧‧second link

256‧‧‧third link

260‧‧‧ pedal

270‧‧‧ Magnetic seat

272‧‧‧N-pole magnet

274‧‧‧S pole magnet

280‧‧‧ curved path

300‧‧‧Sliding track

310‧‧‧virtual tangent line

440‧‧‧

442‧‧‧ recess

500‧‧‧ linkage track

600‧‧‧ linkages

610‧‧‧ Slider

612‧‧‧ Slider plane

620‧‧‧Metal Department

630‧‧‧Flexible Department

640, 670‧‧ ‧ segment fixed unit

642‧‧ ‧ spring

644‧‧‧Roller

646‧‧‧Fixed shell

650‧‧‧first mount

660‧‧‧Second mount

672‧‧‧ 固锁座

674‧‧‧ concave shrapnel

700‧‧‧ handle

800‧‧‧ linkage rod

A‧‧‧ area

Fig. 1A is a side view showing a leg raising machine according to an embodiment of the present invention.

Figure 1B is a schematic diagram showing the operation of Figure 1A.

Fig. 2A is a partially enlarged view showing a region a of Fig. 1A.

Fig. 2B is a cross-sectional view showing a line b-b of Fig. 2A.

Fig. 3A is a side view showing the handle, the slider and the linking member of Fig. 1.

Figure 3B is a schematic diagram showing the operation of Figure 3A.

4A is a schematic view showing a segment fixing unit and a slider according to an embodiment of the present invention.

Fig. 4B is an exploded view showing the stage fixing unit of Fig. 4A.

Fig. 5A is a side view showing the stage fixing unit and the slider according to another embodiment of the present invention.

Fig. 5B is an exploded view showing the stage fixing unit of Fig. 5A.

Fig. 6 is an exploded view showing the linking member of Fig. 1.

Please refer to Figures 1A to 4B and Figure 6 together. Fig. 1A is a side view showing the leg raising machine 100 according to an embodiment of the present invention. Figure 1B is a schematic diagram showing the operation of Figure 1A. Fig. 2A is a partially enlarged view showing a region a of Fig. 1A. Fig. 2B is a cross-sectional view showing a line b-b of Fig. 2A. Figure 3A shows the handle of Figure 1. 700, side view of the slider 400 and the linkage 600. Figure 3B is a schematic diagram showing the operation of Figure 3A. FIG. 4A is a schematic view showing the segment fixing unit 640 and the slider 400 according to an embodiment of the present invention. Fig. 4B is an exploded view showing the stage fixing unit 640 of Fig. 4A. Fig. 6 is an exploded view showing the link 600 of Fig. 1. As shown, the leg lifter 100 includes a frame body 200, a slide rail 300, a slide member 400, a linkage rail 500, a linkage member 600, a handle 700, and a linkage rod 800.

The frame body 200 includes a bracket 210, a handle 220, a rotating shaft 230, an arc center 240, two cranks 250, two first links 252, two second links 254, two third links 256, and two pedals 260. , a magnetic base 270 and an arcuate path 280. The bracket 210 includes an axial center 212, and the axial center 212 is located below the arc center 240. The handle 220 is located at the upper front end of the bracket 210, and the handlebar 220 is fixed to the bracket 210. When the user uses the leg lifter 100, the hand can hold the handlebar 220 to stabilize the center of gravity of the body. The rotating shaft 230 is disposed on the bracket 210 and corresponds to the position of the arc center 240. The two cranks 250 are coaxially disposed at two ends of the rotating shaft 230 and are interlocked with each other. The junction of the rotating shaft 230 and the bracket 210 is located between the two cranks 250. For the user, the left foot steps on the left side pedal 260, and the left side pedal 260 connects the left side magnetic seat 270 and the crank 250. The left crank 250 is integrally formed with the left first link 252, and is rotated about the arc center 240 as a center point. The two ends of the second link 254 are connected to one end of the first link 252 and the third link 256 through the first moving rotating shaft 232 and the second moving rotating shaft 234 respectively, and the other end of the third link 256 is not connected. Displacement Axis 212. It is worth mentioning that the displacement of the first link 252 is coupled to drive the first moving shaft 232, the second moving shaft 234, the second link 254 and the third link 256. Furthermore, the pedal 260 on the left side is connected to the magnetic base 270 on the left side, and the pedal 260 and the magnetic base 270 are both provided at one end of the crank 250 on the left side. The magnetic base 270 corresponds to the arc center 240, and the magnetic base 270 is reciprocally displaced along the curved path 280 along with the crank 250. Since the other end of the crank 250 is connected to the rotating shaft 230 at the position of the arc center 240, the crank 250 swings back and forth along the curved path 280 with the arc center 240 as a fulcrum. In addition, the curved path 280 includes a first arc length and a second arc length, wherein the first arc length extends from a virtual vertical line passing through one of the rotating shafts 230, and the first arc length has an arc of 40 degrees to 100 degrees. The first arc length of the embodiment has an arc of 85 degrees, which can meet the needs of general users. The second arc length is connected to the first arc length, and the second arc length extends backward from the virtual plumb line, and the arc of the second arc length is greater than 0 degrees and less than or equal to 30 degrees, and the arc of the second arc length of the embodiment is It is 5 degrees.

In this leg raising machine 100, the interlocking mechanism on the right side corresponds to the interlocking mechanism on the left side and operates in reverse with each other. The third link 256 on the right side and the third link 256 on the left side are rigidly coupled to each other and integrally formed. Therefore, the frame body 200 can cooperate with the reciprocating stepping of the user through the linkage mechanism on the left and right sides to assist the movement of the high step. In addition, the magnetic base 270 includes a plurality of N-pole magnets 272, a plurality of S-pole magnets 274, and a magnetic field (not shown). The N-pole magnet 272 corresponds to the S-pole magnet 274, and there is a gap between the N-pole magnet 272 and the S-pole magnet 274, and the magnetic field is located in the gap. Furthermore, a wear pad (not shown) is provided in the magnetic seat 270 On the surface of the N-pole magnet 272 and the S-pole magnet 274 with respect to the metal portion 620, the wear pad can provide a frictional buffer of the oscillating metal portion 620 and the N-pole magnet 272 or the S-pole magnet 274 to reduce the swing in the magnetic field. The metal portion 620 is noisy due to collision with the surface of the magnet. It is worth mentioning that the resistance of the leg lifter 100 is derived from the eddy current effect. When the metal part 620 and the magnetic field in the magnetic seat 270 move relative to each other, the eddy current effect generates a reverse force to block the relative motion. . If the speed of stepping on is faster, the resistance in the reverse direction is larger.

The slide rail 300 is disposed on the frame body 200. The extending direction of the sliding track 300 intersects with the virtual tangent line 310 of one of the curved paths 280 at an acute angle, which may be greater than or equal to 0 degrees and less than or equal to 30 degrees. The acute angle of this embodiment is equal to 0 degrees, that is, the sliding track 300 is parallel to the virtual tangent line 310.

The slider 400 is limited in displacement and is positioned on the sliding track 300. The slider 400 includes a stepped card rail 410 and a concave and convex portion 440, and the stepped card rail 410 has a hollow stepped hole shape. The stepped card track 410 is provided with four carding positions 420 corresponding to the curved path 280. The distance between each of the carding positions 420 and the sliding track 300 is different, that is, the distance between each of the carding positions 420 and the curved path 280 is different. In addition, the stepped track 410 includes a sliding channel 430 that can be connected to each of the carding positions 420. Each of the clamping positions 420 has two positioning planes 422, the two positioning planes 422 are parallel to each other, and the two positioning planes 422 are parallel to the virtual tangent line 310. Of course, the shape of the stepped card rail 410 and the distance of the adjacent carding position 420 may be different according to the relative direction and position of the sliding track 300 and the interlocking track 500. And the angle is appropriately adjusted to conform to the actuation mechanism of the leg raising machine 100. Furthermore, the concavo-convex portion 440 has a plurality of recesses 442, and each of the recesses 442 and one of the card-positioned positions 420 of the step-order rails 410 correspond to each other.

The interlocking track 500 is disposed on the frame body 200, and the extending direction of the linking track 500 is perpendicular to the virtual tangent line 310 of the curved path 280. The extending direction of the interlocking track 500 intersects with the extending direction of the sliding track 300, and the angle may be greater than or equal to 60 degrees and less than or equal to 120 degrees. The angle of the present embodiment is equal to 90 degrees, in other words, the extending direction of the interlocking track 500 and the extending direction of the sliding track 300 are perpendicular to each other.

The linkage 600 is limited in displacement and is positioned on the linked track 500. The linking member 600 includes a slider 610, a metal portion 620, an elastic portion 630, a segment fixing unit 640, a first fixing base 650 and a second fixing base 660. The metal portion 620 contacts the magnetic field in the magnetic seat 270, and the metal portion 620 is interlocked by the slider 610. Slider 610 is selectively positionable on one of the carding positions 420. In addition, the slider 610 corresponding to the clamping position 420 has two slider planes 612, and each of the clamping positions 420 respectively contacts the two slider planes 612 by the two positioning planes 422, so that the slider 400 engages the slider 610. The two slider planes 612 are parallel to one another and the two slider planes 612 are parallel to the virtual tangent line 310. It is worth mentioning that the mutually parallel positioning plane 422 and the slider plane 612 are perpendicular to the extending direction of the interlocking rail 500, so when the metal portion 620 is affected by the external force and affects the slider 610, it is perpendicular to the extending direction of the interlocking rail 500. The force component does not cause the slider 610 to leave the carding position 420 of the step card track 410, and has a stable engagement effect. Moreover, the slider 400 is displaced parallel to the virtual tangent line 310 and is linked to slide. Block 610, and the slider 610 is displaced by the vertical virtual tangent line 310 to interlock the elastic portion 630, and the slider 610 corresponds to the arc center 240. Then, the metal portion 620 is coupled by the displacement elastic portion 630 such that the metal portion 620 enters a depth of a magnetic field (not shown). In addition, the metal portion 620 includes a curved magnetic cutting region (not shown) which contacts the magnetic field, and the curved magnetic cutting region has an arc-shaped magnetic cutting area, and the curved magnetic cutting area and depth are Is equal. In other words, the greater the depth at which the metal portion 620 enters the magnetic field, the larger the curved magnetic cut area. In addition, the segment fixing unit 640 includes a four spring 642, a roller 644, and a fixed casing 646. The fixed shell 646 limiting roller 644 is rolled onto the concave and convex portion 440 by the force of the spring 642, and the roller 644 can stably position the slider 610 in any of the locking positions 420. Since the roller 644 easily stays in the recess 442 of the uneven portion 440 due to the pulling force of the spring 642, the link 600 and the handle 700 can have a clear effect. In addition, the first fixing base 650 is coupled by the slider 610 and locked to one end of the elastic portion 630, and the second fixing seat 660 locks the metal portion 620 and the other end of the elastic portion 630. When the metal portion 620 is displaced by an external force, the elastic portion 630 can bounce the reset metal portion 620, thereby reducing the friction between the metal portion 620 and the magnetic seat 270. This reduction in friction is derived from the floating mechanism of the elastic portion 630, which not only greatly reduces the wear of the wear pad and reduces the maintenance cost, but also reduces the noise generated by the friction, thereby improving the comfort of the user during exercise. Furthermore, the metal portion 620 can be a metal piece or a plurality of metal pieces. This embodiment is formed by splicing two metal sheets, and the number of splicing can change the total length of the curved path 280.

The pull handle 700 is coupled to the linkage rod 800, and the pull handle 700 drives the linkage rod 800 by a lever mechanism, and the linkage rod 800 is pushed and pulled by the handle 700. When the handle 700 is displaced downward, the linkage rod 800 pulls the slider 400 to displace the slider 610 in the direction of the arc center 240. The displaced slider 610 will interlock the metal portion 620 through the first fixing base 650, the elastic portion 630 and the second fixing base 660, so that the depth and the area of the metal portion 620 enter the magnetic field change, and the area of the metal portion 620 entering the magnetic field is an arc. Shape magnetic cutting area. It can be seen that the leg raising machine 100 controls the arcuate magnetic cutting area of the arc magnetic cutting region by using the depth change of the magnetic field of the metal portion 620 entering the magnetic seat 270, and changes the relative motion by changing the curved magnetic cutting area. The resulting eddy current effect, which in turn causes the pedal 260 in the displacement to produce a variable reluctance, so that the user can experience and experience similar to the actual leg movement.

5A and 5B, FIG. 5A is a side view showing the stage fixing unit 670 and the slider 400 according to another embodiment of the present invention. Fig. 5B is an exploded view showing the stage fixing unit 670 of Fig. 5A. The segment fixing unit 670 includes a locking seat 672 and a concave elastic piece 674. The locking seat 672 is fitted on the concave and convex portion 440 by the elastic force of the concave elastic piece 674, and the concave elastic piece 674 is stably positioned in each concave portion 442, so that the sliding block 610 is positioned on any of the locking positions 420. Therefore, the segment fixing unit 670 and the segment fixing unit 640 can make the segment of the linking member 600 and the handle 700 more clear.

It can be seen from the above embodiments that the present invention has the following advantages: First, the vortex is generated by the relative motion of the magnetic field and the metal portion at different depths. The current effect, in turn, causes the pedal in the displacement to produce a variable reluctance to achieve a feeling and effect similar to the actual leg movement. Secondly, the elastic portion can reduce the friction between the metal portion and the magnetic seat caused by the displacement of the metal portion, and the floating mechanism can not only greatly reduce the wear of the wear pad and reduce the maintenance cost, but also reduce the friction. The noise, which in turn enhances the user's comfort during exercise. Thirdly, the left and right cranks coaxially arranged on the arc can be rotated in opposite directions of rotation, which fully conforms to the relative swing of the left and right legs of the human body. Fourthly, the step-by-step card rails create a multi-stage structure for the handle and the metal part, which not only has a simple structure, but also allows the user to select the pedaling resistance suitable for himself, and avoids the use of chains, eddy current resistors or flywheels, and greatly reduces the leg raising machine. Manufacturing costs. Fifthly, the shape of the step-by-step card rail combined with the positioning plane and the plane of the slider enables the slider to be stably engaged with the clamping position, and the matching of the fixing unit of the segment with the concave portion can make the position of the linking member and the handle Better and clearer.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

300‧‧‧Sliding track

400‧‧‧Sliding parts

410‧‧‧ Stage Cartridge

420‧‧‧Card position

422‧‧‧ positioning plane

430‧‧‧Sliding channel

440‧‧‧

442‧‧‧ recess

500‧‧‧ linkage track

610‧‧‧ Slider

612‧‧‧ Slider plane

700‧‧‧ handle

800‧‧‧ linkage rod

Claims (18)

A leg raising machine comprising: a frame body comprising an arcuate path, an arc center and a magnetic seat, wherein the magnetic seat has a magnetic field, the magnetic seat corresponding to the arc center and reciprocally displaced along the curved path; a sliding rail is disposed on the frame body; a sliding member includes a stepped card rail, the sliding member is constrained and positioned on the sliding rail, and the stepped card rail is provided with a plurality of clamping positions corresponding to the curved path Each of the clamping positions is different from the distance of the sliding track; a linking track is disposed on the frame body and the extending direction of the linking track is perpendicular to a virtual tangent line of the curved path, and the extending direction of the linking track is The extending direction of the sliding track intersects an angle; and a linking member is constrained and positioned on the linking rail, the linking member includes a slider and a metal portion, the metal portion contacts the magnetic field and is interlocked by the slider The slider is selectively positioned at one of the clamping positions, the slider is displaced along the sliding track to interlock the slider, and the slider is vertically displaced by the virtual tangent line and corresponds to the arc center, so that the metal portion Entering the magnetic field A change in depth. The leg raising machine of claim 1, wherein the metal portion comprises an arcuate magnetic cutting region, the arc magnetic cutting region contacting the magnetic field, the curved magnetic cutting region having an arcuate magnetic cutting area, The curved magnetic cut area is proportional to the depth. A leg raising machine as described in claim 1 of the patent application, The step card track is a hollow stepped hole shape, and the step card track includes at least one sliding channel, the sliding channel is connected to the clamping positions, and each of the clamping positions has two positioning planes, and the slider corresponds to the slider Having a two-slider plane, each of the clamping positions respectively contacting the plane of the slider by the positioning plane, so that the slider engages the slider, and the positioning planes are parallel to each other, and the planes of the sliders are parallel to each other. And the positioning plane and the two slider planes are both parallel to the virtual tangent line. The leg raising machine of claim 1, wherein the sliding member further comprises a concave and convex portion, the linking member further comprises a position fixing unit, the concave and convex portion has a plurality of concave portions, and each of the concave portions and the concave portion One of the locking positions of the stepped card rails, the position fixing unit includes at least one spring, a roller and a fixed shell, and the fixing shell limits the roller to roll on the concave and convex portion with the force of the spring. The roller is caused to stably position the slider in any of the clamping positions. The leg raising machine of claim 1, wherein the sliding member further comprises a concave and convex portion, the linking member further comprises a position fixing unit, the concave and convex portion has a plurality of concave portions, and each of the concave portions and the concave portion One of the locking positions of the stepped card rails includes a locking seat and a concave elastic piece, and the locking seat is fitted on the concave and convex portion by the elastic force of the concave elastic piece. The resilient tabs are stably positioned in each of the recesses such that the slider is positioned in either of the latching positions. A leg raising machine as described in claim 1 of the patent application, The angle is greater than 60 degrees and less than 120 degrees. The leg raising machine of claim 1, wherein the magnetic seat is provided with a wear pad corresponding to the metal portion, and the magnetic base further comprises two magnets, the wear pad being located on the surface of the magnet. The leg raising machine of claim 1, further comprising: a handle; and a linkage lever, the handle is driven by a lever mechanism, and the linkage lever pushes the slider by the handle. The leg raising machine of claim 1, wherein the frame body further comprises a bracket, a handle, a rotating shaft and two cranks, the handle is disposed at an upper end of the bracket, and the rotating shaft is disposed on the bracket And located at the arc center, the cranks are respectively pivoted on both sides of the rotating shaft and are connected in opposite directions, and one end of each of the cranks is provided with the magnetic seat, and each of the cranks swings along the curved path with the arc center as a center point. The curved path includes a first arc length and a second arc length, the first arc length extending from a virtual vertical line passing through the rotating shaft, and the arc length of the first arc is 40 degrees to 100 degrees, the first The second arc length is connected to the first arc length, and the second arc length extends from the virtual vertical line. The arc of the second arc length is greater than 0 degrees and less than or equal to 10 degrees. A leg raising machine comprising: a frame body comprising an arcuate path, an arc center and a magnetic seat, the magnetic seat a magnetic field, the magnetic seat corresponding to the arc and reciprocating along the curved path; a sliding track, disposed on the frame and extending direction of the sliding track parallel to a virtual tangent line of the curved path; The sliding member comprises a stepped card rail, the sliding member is constrained and positioned on the sliding rail, and the stepped card rail is provided with a plurality of clamping positions corresponding to the curved path, and each of the clamping position and the sliding track The distance is different; a linkage track is disposed on the frame body, the extending direction of the linkage track is perpendicular to the extending direction of the sliding track; and a linkage member is constrained and positioned on the linkage track, the linkage member The utility model comprises a slider, a metal portion and an elastic portion, the metal portion contacts the magnetic field and is interlocked by the slider, the slider is selectively positioned at one of the clamping positions, the sliding member is displaced parallel to the virtual tangent line And interlocking the slider, and the slider is perpendicular to the virtual tangent line to interlock the elastic portion and is connected to the arc center, and the elastic portion is coupled to drive the metal portion, so that the metal portion enters a depth change of the magnetic field. The leg raising machine of claim 10, wherein the linking member further comprises a first fixing seat and a second fixing seat, wherein the first fixing seat is coupled by the slider and is locked to the elastic portion. One end, the second fixing seat locks the other end of the elastic portion and the metal portion, and when the metal portion is displaced by an external force, the elastic portion elastically resets the metal portion, so that the metal portion and the magnetic seat are The friction is reduced. Lifting the leg as described in claim 10 The metal portion includes a curved magnetic cutting region that contacts the magnetic field, the curved magnetic cutting region having an arcuate magnetic cutting area, the curved magnetic cutting area being equal to the depth . The leg raising machine of claim 10, wherein the step card track is a hollow stepped hole shape, and the step card track comprises at least one sliding channel, the sliding channel is connected to the clamping positions, each of the The clamping position has two positioning planes, and the slider correspondingly has two slider planes, and each of the clamping positions respectively contacts the plane of the slider by the positioning planes, so that the sliding member engages the slider, The positioning planes are parallel to each other, and the planes of the sliders are parallel to each other, and the positioning planes and the planes of the sliders are both parallel to the virtual tangent line. The leg raising machine of claim 10, wherein the sliding member further comprises a concave and convex portion, the linking member further comprises a position fixing unit, the concave and convex portion has a plurality of concave portions, and each of the concave portions and the concave portion One of the locking positions of the stepped card rails, the position fixing unit includes at least one spring, a roller and a fixed shell, and the fixing shell limits the roller to roll on the concave and convex portion with the force of the spring. The roller is caused to stably position the slider in any of the clamping positions. The leg raising machine of claim 10, wherein the sliding member further comprises a concave and convex portion, the linking member further comprises a position fixing unit, the concave and convex portion has a plurality of concave portions, and each of the concave portions and the concave portion One of the card-level positions of the segment-level card track corresponds to the position-fixing unit package The utility model comprises a fixing seat and a concave elastic piece, wherein the fixing seat is fitted on the concave and convex portion by the elastic force of the concave elastic piece, and the concave elastic piece is stably positioned in each concave portion, so that the sliding block is positioned At any of the card positions. The leg raising machine of claim 10, wherein the magnetic seat is provided with a wear pad corresponding to the metal portion, and the magnetic seat further comprises two magnets, the wear pad being located on the surface of the magnet. The leg raising machine of claim 10, further comprising: a handle; and a linkage lever, the handle is driven by a lever mechanism, and the linkage lever pushes the slider by the handle. The leg raising machine of claim 10, wherein the frame body further comprises a bracket, a handle, a rotating shaft and two cranks, the handle is disposed at an upper end of the bracket, and the rotating shaft is disposed on the bracket And located at the arc center, the cranks are respectively pivoted on both sides of the rotating shaft and are connected in opposite directions, and one end of each of the cranks is provided with the magnetic seat, and each of the cranks swings along the curved path with the arc center as a center point. The curved path includes a first arc length and a second arc length, the first arc length extending from a virtual vertical line passing through the rotating shaft, and the arc length of the first arc is 40 degrees to 100 degrees, the first The second arc length is connected to the first arc length, and the second arc length extends from the virtual vertical line. The arc of the second arc length is greater than 0 degrees and less than or equal to 10 degrees.