CN1768879A - Ellipse sports machine - Google Patents

Abstract

The invention discloses an ellipse sport device, comprises a main body, two slide device, two footplate devices, and two extension devices. Wherein, said main body has two rotary elements rotating around one axis; each of said slid devices has a slide rod axially connected to the rotary element and sliding front-back along it; each of said footplate devices comprises a footplate movably mounted on said slide rod; each of extension devices has a rotary arm axially connected with said slide rod, a interlocking arm axially connecting said footplate and said rotary arm, and a interlocking unit for driving reverse rotation of said rotary arm. Therefore, the footplate can make a prolate ellipsoid motion track.

Description

Elliptical exercise machine

Technical field

The present invention relates to a kind of elliptical exercise machine, particularly relate to a kind of horizontal amplitude of movement locus that can enlarge to meet the elliptical exercise machine of ergonomics.

Background technology

Ginseng Fig. 1, with general elliptical exercise machine 1 is example, consist predominantly of: but a pedestal 11, vertically-arranged the mounting an of dashboard bracket 12 turns of these pedestal 11 1 leading sections 111 on this pedestal 11 and two cranks 13 of contiguous this leading section 111, two swing arms 16 that articulate and slide against two pedal shafts 14 of these pedestal 11 1 rearward end 112, be installed in two pedals 15 on these pedal shafts 14 respectively, articulate with this dashboard bracket 12 respectively with these cranks 13 respectively, and articulate with this swing arm 16 respectively and with two connecting rods 17 of this pedal 15 pivots knot.

Whereby, the user only need stand on these pedals 15, bestow respectively these pedal shafts 14 1 forward, skid force backward, just can follow circular trace to rotate with these cranks 13 at these pedal shaft 14 1 ends, reach with the other end along under the situation of these pedestal 11 rearward end 112 linear slippages, construction goes out a nearly oval-shaped movement locus, makes the user who stand on these pedals 15, reaches the purpose of strong leg muscle.Though above-mentioned structure can reach the purpose of sport and body-building, right, when it uses in reality, still have and followingly do not attain desirable disappearance and need to be resolved hurrily:

1. the elliptical orbit that general elliptical machine is produced, long and short axle corresponds respectively to front and back and above-below direction (being the ellipse that side-looking generally is horizontal flat), and according to actual use experience, the front and back amplitude of aforementioned track is too little, the action that strides has the limitation sense, and makes the amount of exercise deficiency and be not inconsistent ergonomics.Therefore, in order to improve aforementioned disappearance, then there is the dealer to strengthen the path length of this crank 13, the circular trace of these pedal shaft 14 front ends is strengthened, and make corresponding amplification of elliptical orbit in the middle of this pedal shaft 14, such design, the volume of this elliptical machine (drive system) is strengthened, and under the situation that the elliptical orbit equal proportion is amplified, motion still is not inconsistent ergonomics and (simply say, ideal trajectory as long as banner is wideer, does not also want the overall ratio more flat).

2. because these pedals 15 are in a fixed manner, be fixed on these pedal shaft 14 end faces, and can't change and the orientation angle of 14 of these pedal shafts, therefore, when these pedal shafts 14 are followed the elliptical orbit motion, can be because the variation of angle, and produce the different degree of tilts of facing upward, these pedals 15 are tilted with the gradient of these pedal shafts 14, so, in the process of motion, the foot one that these pedals 15 can not omnidistance provide the user is support effect stably, causes movement travel partly, especially marches at these pedal shafts 14, during following limit, all have and to mention and situation high up in the air by heel, under this situation, the user is easy in the process of motion, has the situation of pullling the pin muscle to take place, make double-legged susceptible tired, the motion for a long time of can't loading.

3. and because the movement travel of aforementioned elliptical exercise machine 1 often all is fixing and can not change, therefore, for the different user of motion requirement amount, or the different user of stature height, excessive or the stroke that swings of the stroke that swings user's both feet situation that tension is excessive or amount of exercise is not enough that causes such as too small is arranged, cause user's aforementioned stroke that swings of must condescending to take this post, the bad anti-doubt that athletic injury is arranged of posture is arranged.

Summary of the invention

The object of the present invention is to provide a kind of transverse width of the movement locus that can increase, and can make device with pedal pitching action to meet the elliptical exercise machine of ergonomics.

The invention is characterized in: this elliptical exercise machine comprises a body, two carriages, two device with pedal and two expansions and prolongs device.This body has a pedestal and two rotating parts, and this pedestal has two reverse ends, and these rotating parts are to be hubbed on wherein left and right two sides of an end of this pedestal, and can be rotated around a center line.These carriages are to lay respectively at left and right two sides of this pedestal, and has a sliding bar respectively, this sliding bar has a reverse pivot end and and slides end, this pivot end is to form interlock with the rotating part pivot of this pedestal respective side knot, and this slides end is to extend and can forward and backwardly slide to this pedestal the other end.These device with pedal are located at respectively on this sliding bar, and have respectively can forward and backward slippage a pedal.These expansions are prolonged device and are located at this pedestal left side respectively, right two sides, and have circle round an arm and a coupled arm respectively, an and interlock unit, this arm that circles round has one first reverse end and one second end, this first end is to tie with the sliding bar pivot end pivot of this pedestal respective side, this coupled arm is pedal and this arm that circles round that articulates this pedestal respective side, this interlock unit is to circle round between arm between this rotating part of correspondence and this, see through this interlock unit, can drive this arm that circles round during this rotating part rotation is center of circle rotation with this first end, and this rotation direction of circling round arm rotation action is opposite with the rotation direction of this rotating part, when this rotating part rotates a circle around this center line, this arm second end that circles round just oppositely circles certainly according to this first end, and before drawing this pedal, back slippage.

Description of drawings

The present invention is described in detail below in conjunction with drawings and Examples.

Fig. 1 is a front view, and general elliptical exercise machine is described.

Fig. 2 is a stereogram, and first preferred embodiment of the present invention's one elliptical exercise machine is described.

Fig. 3 is the partial sectional view of a top view direction, illustrates that two device with pedal and two expand the binding situation of prolonging device in this first preferred embodiment.

Fig. 4 is a partial sectional view, and the situation that slides that this pedal and is stepped on seat in this first preferred embodiment is described.

Fig. 5 is a partial sectional view, and the circle round location situation of arm of an adjustment unit and in this first preferred embodiment is described.

Fig. 6 is a front view, and the action schematic diagram of this first preferred embodiment turn to nine o ' clock position is described.

Fig. 7 is a front view, and the transverse width of this first preferred embodiment amplification elliptical trajectory is described, and the action schematic diagram of turn to nine o ' clock position.

Fig. 8 is a front view, and the action schematic diagram of this first preferred embodiment turn to the three position is described.

Fig. 9 is a front view, the transverse width of this first preferred embodiment amplification elliptical trajectory is described, and turn is to the action schematic diagram of three position.

Figure 10 is a part of stereogram, and second kind of enforcement aspect of an interlock unit in this first preferred embodiment is described.

Figure 11 is a part of stereogram, and the third enforcement aspect of this interlock unit in this first preferred embodiment is described.

Figure 12 is a stereogram, and second preferred embodiment of the present invention's one elliptical exercise machine is described.

Figure 13 is a front view, and the case of motion of this second preferred embodiment is described.

The specific embodiment

Consult Fig. 2, Fig. 3, the preferred embodiment of elliptical exercise machine of the present invention comprises a body 2, two carriages 3, two device with pedal 4, two and expands and prolong device 5 and two linkages 6.

This body 2 has a pedestal 21, a dashboard bracket 22, a rail chair 23 and two rotating parts 24.This pedestal 21 has a reverse leading section 211 and a rearward end 212.This dashboard bracket 22 is that vertically-arranged is at these pedestal 21 leading sections 211.This rail chair 23 is formed in this pedestal 21 rearward end 212.These rotating parts 24 are respectively disks at present embodiment, are the coaxial positions that is hubbed on these pedestal 21 contiguous these leading sections 211, and left and right two sides of apportion, and these rotating parts 24 are to rotate around a center line I.What deserves to be mentioned is, this first preferred embodiment is a kind of forerunner's formula elliptical machine, mainly be that a drive system (is comprised driving shaft, driven flywheel, belt, damping unit etc., be prior art) be located at the position that this pedestal 21 is close to these leading sections 211, and these rotating parts 24 are exactly in fact coaxial driving shaft two ends that are fixed in this drive system.

These carriages 3 are to be positioned at this pedestal 21 left and right two sides, have a sliding bar 31 and a U type ear seat 32 respectively.This sliding bar 31 has a reverse pivot end 311 and and slides end 312.This pivot end 311 is to form interlock with the rotating part 24 pivots knot of these pedestal 21 corresponding sides, and this slides end 312 is to slide against on this rail chair 23, and can forward and backwardly slide.This U type ear seat 32 is formed in this sliding bar 31 1 end faces 313.

These device with pedal 4 are to be located at this pedestal 21 left and right two sides respectively, and have respectively and step on seat 41, one pivot 42 and a pedal 43.This steps on seat 41 is to be set in 32 of this ear seats with a front end 411, and has a track 414 that is extended to a rear end 412 by front end 411.This pivot 42 is to run through this ear seat 32 to step on seat 41 front ends 411 with this, makes this step on seat 41 and this sliding bar 31 pivots knot, and this rear end 412 can upper and lowerly be swung.Ginseng Fig. 4, this pedal 43 have and are hubbed at a bottom surface and the corresponding sliding several rollers 431 that close of seat 41 tracks 414 of stepping on this, make respectively this pedal 43 can correspond to this sliding bar 31 and do forward and backward displacement.

Ginseng Fig. 2, Fig. 5, it is to be separately positioned on this pedestal 21 left and right two sides that device 5 is prolonged in these expansions, and has circle round arm 51, an adjustment unit 52, a coupled arm 53 respectively, and an interlock unit.

This arm 51 that circles round has with one first end 511 of this sliding bar 31 pivot ends 311 pivots knot, by one second end 512 that this first end 511 oppositely extends, and reaches several locating holes 513 of being arranged to this second end 512 by this first end 511.

This adjustment unit 52 has can be along a slip base 521 of these arm 51 length direction slippages of circling round, be formed on the screw hole column 522 on this slip base 521, and screws togather with this screw hole column 522 and run through this slip base 521 1 control pieces 523.This control piece 521 can be by in the degree of depth that screws togather of this screw hole column 522, passing this slip base 521 reaches and 513 engagings of relative locating hole, this slip base 521 is fixed in and the be separated by position of preset distance of these arm 51 first ends 511 that circle round, and, in case of necessity, the user can be revolved and be moved back this control piece 523 these locating holes 513 of disengaging, remove positioning relation with this locating hole 513, after making this slip base 521 slide onto the appropriate location along these arm 51 length directions that circle round, spiral shell advances this control piece 523 and corresponding positioning hole 513 clips again.

This coupled arm 53 has the end 531 with this slip base 521 pivots knot, and the other end 532 that reaches oppositely extension and tie with these pedal 43 pivots makes this coupled arm 53 can cooperate this adjustment unit 52, changes the position that is articulated in this arm 51 that circles round.

Ginseng Fig. 2, Fig. 3, this interlock unit has one first gear 54 and one second gear 55.This first gear 54 is and these sliding bar 31 pivot ends 311 coaxial being attached on this rotating part 24, and this rotating part 24 is stationary state relatively, can round and revolves in the same way and turn around with this rotating part 24.

This second gear 55 is to mesh with these arm 51 coaxial being hubbed on this sliding bar 31 and with this first gear 54 of circling round, this second gear 55 is identical with these first gear, 54 numbers of teeth, can turn around for 54 times and reverse rotation one circle with this first gear, making coaxial arm 51 second ends 512 that circle round is the center of circle with this first end 511, carries out the rotation of opposite rotation direction.

These linkages 6 have a swing arm 61 and a connecting rod 62 of mutual pivot joint respectively.This swing arm 61 generally is longitudinal extension, is with its rough middle part and this dashboard bracket 22 pivots knot, and has and be formed on a top and can be for a handle 611 of sporter's grasping.This connecting rod 62 generally is horizontal expansion, be to articulate with a front end and this swing arm 61 1 bottoms, and it is affixed to step on seat 41 1 lateral surfaces 413 with a rear end and this, and can draw this in swing process, to step on 41 rear end 412 upper and lower unsteady.In the present embodiment, be laterally to run through this connecting rod 62 respectively simultaneously with two connecting pins 63 to step on seat 41 with this, step on seat 41 relative fixed so as to making this connecting rod 62 and this.

Ginseng Fig. 6, Fig. 7, be respectively that these coupled arm 53 1 ends 531 pivots are tied in contiguous this circle round arm 51 first ends 511 and second end 512, and the action schematic diagram of these sliding bar 31 pivot ends 311 turn to nine o ' clock positions, ginseng Fig. 8, Fig. 9, be respectively that these coupled arm 53 1 ends 531 pivots are tied in contiguous this circle round arm 51 first ends 511 and second end 512, and these sliding bar 31 pivot ends 311 turns are to the action schematic diagram of three position.

When the user stand on these pedals 43, and when motion is trampled in the both feet circulation, these sliding bars 31 rotate around this center line I with these rotating parts 24 with pivot end 311 in a clockwise direction except meeting, and to slide end 312 before this rail chair 23, back slippage, and in the process that these sliding bar 31 pivot ends 311 rotate around this center line I, can drive these arm 51 first ends 511 that circle round simultaneously revolves round the sun around this center line I substantially, and make the first gear 54 in a clockwise direction rotation coaxial with this arm 51 of circling round, and drive the rotations counterclockwise of intermeshing second gear 55, making these arm 51 second ends 512 that circle round is that the center counterclockwise rotates with first end 511, that is to say, these sliding bar 31 pivot ends 311 are whenever around a circle, this arm 51 that circles round is except in company with around the circle, and itself can be center and reversed turning one circle with this second gear 55 also.Whereby, this coupled arm 53 can draw these pedal 43 property direction slippages along the line, and the circular trace of these sliding bar 31 pivot ends 311 of cooperation, make these pedal 43 construction go out the movement locus of a prolate and general ovalize, order about this two device with pedal 4 and rotate relatively along predetermined elliptical orbit.

What this must illustrate earlier be, it should be noted that during assembling, when 31 front ends of these sliding bars (as Fig. 9) or rear end (as Fig. 7) in scope of activities, these arms 51 that circle round must be rough parallel these sliding bars 31 and extending forward or backward, so, second end 512 of these arms 52 that circle round just can form the elliptical orbit of " horizontal flat ", and amplifies the front and back width of these pedal 43 tracks whereby.Therefore, see through aforementioned default component relation, the major axis of this elliptical orbit is to being corresponding to fore-and-aft direction, watch by side-looking and to be horizontal flat, add these pedals 43 can before and after the design that affects between two parties of slippage and this coupled arm 53, just can be under the constant prerequisite of these sliding bar 31 pivot ends 311 circular trace diameters, amplify the transverse width of these pedal 43 movement locus, and, these coupled arm 53 articulated sections are more away from these arm 51 first ends 511 that circle round, and the stroke that is amplified more obviously, and is opposite, if these coupled arm 53 articulated sections are shifted near this arm 51 first ends 511 that circle round, just can dwindle stroke, with Fig. 6, Fig. 7 and Fig. 8, Fig. 9 compares, and can obviously find out, the amplification amount II of this elliptical trajectory transverse width, and can provide different movement travels at the different users.

And these carry out stepping on seat and 41 can forcing the connecting rod affixed with it 62 front and back shift reciprocatelies of elliptic motion, and these swing arm 61 swings of interlock, at this moment, because the rear end of these connecting rods 62 is to follow the elliptical orbit of stepping on seat 41, front end then is to be limited on the pendulum track, therefore, these connecting rods 62 can the periodic variation angle of inclination in when motion, and forces these to step on seat 41 to change the pedal 43 that drives on it with its angle and bow, face upward swing.Whereby, these step on seat pedals 43 on 41 can be to be that benchmark moves along elliptical orbit with front end (toe end), these pedal 43 rear ends (heel end) then are to raise regularly, reduce, and keep pressing close to state with sporter's foot, whole process provides foot's one support effects of user, make the motion of foot comfortable naturally, be difficult for producing injury, and can meet ergonomics.

Ginseng Figure 10 be what deserves to be mentioned is, this first gear 54 and this formed continuous action relation in second gear, 55 engagement backs also can cooperate a cross(ed) belt 58 to give interlock by two belt pulleys 56,57.Or as shown in figure 11, give interlock with two rubber wheels that touch mutually 59.Whereby, these belt pulleys 56,57 or these rubber wheels 59 can carry out the rotation of opposite rotation direction equally, and can be when this rotating part 24 rotates a circle around this center line I, and making these arm 51 second ends 512 that circle round is that the center of circle is oppositely from circling with first end 511.

Ginseng Figure 12, Figure 13, second preferred embodiment of elliptical exercise machine of the present invention belongs to rear-guard formula elliptical machine, but itself and aforementioned first preferred embodiments are similar, include equally: a body 2 ', two carriages 3 ', two device with pedal 4 ', two expand and prolong device 5 ' and two linkages 6 '.Difference be in:

The rotating part 24 ' of this body 2 ' is arranged on pedestal 21 ' rearward end 212 ', makes the sliding bar 31 ' of this carriage 3 ' slide end 312 ' to this pedestal 21 ' leading section 211 ' extension.

These device with pedal 4 ' to step on seat 41 ' be to be hubbed on this sliding bar 31 ' end face 313 ' by upper and lower floating ground, and can follow this sliding bar 31 ' property direction displacement along the line, its end face forms the pedal 43 ' that confession user tramples.

These linkages 6 ' have respectively mutual pivot joint a swing arm 61 ' and a connecting rod 64, this swing arm 61 ' is to be the dashboard bracket 22 ' that vertically is articulated in this body 2 ', this connecting rod 64 is to be linked to this sliding bar 31 ' with a rear end 641 to slide end 312 ', and articulates with a front end 642 and this swing arm 61 ' bottom.

Whereby, can prolong in the process of the arm 51 ' rotation of circling round of device 5 ' in this expansion equally, draw this pedal 43 ' along the front and rear direction slippage, and can be in the process that this arm 51 ' that circles round roughly revolves round the sun around this center line I, the circular trace that cooperates this sliding bar 31 ' pivot end 311 ' makes these device with pedal 4 ' construction go out the movement locus of a prolate and general ovalize.

According to the above as can be known, elliptical exercise machine of the present invention has following advantage and effect:

1. the present invention can be under the prerequisite of keeping sports equipment type size, appropriateness enlarges the front and back gap of pedal scope of activities, allow the movement locus at user's sole position present before and after amplitude wideer, integral body is slightly flat and approximate ellipsoidal, so can not only obtain comparatively to fill the amount of exercise of part, and more meet ergonomics, can make the comfortable nature of leg exercise, also be difficult for producing athletic injury.

The present invention can make these step on seat 41 follow bow or swing back before the elliptical orbit unsteady, therefore, in motion process, these pedals 43 can be at any time keep pressing close to state with user's foot, whole process provides foot's one support effects of user, heel need not be mentioned or unsettled, can effectively reduce athletic injury, and comfortableness and smooth degree during lifter motion.

3. the present invention can adjust the stroke size of these pedal 43 movement locus quickly and easily, and amplify the transverse width of these pedal 43 movement locus, be available for users to according to individual height leg length or impression, be accustomed to, be adjusted to optimal movement travel, make the present invention more meet ergonomics, and the comfortableness during lifter motion significantly, effectively avoid athletic injury.

Claims (10)

1. elliptical exercise machine is characterized in that it includes:

One body has a pedestal and two rotating parts, and this pedestal has two reverse ends, and these rotating parts are to be hubbed on wherein left and right two sides of an end of this pedestal, and are rotated around a center line;

Two carriages, be to be positioned at left and right two sides of this pedestal, and have a sliding bar respectively, this sliding bar has a reverse pivot end and and slides end, this pivot end is and the rotating part pivot knot formation interlock of this pedestal respective side that this slides end is to extend and forward and backward sliding to this pedestal the other end;

Two device with pedal are located at respectively on this sliding bar, and have the pedal along forward and backward slippage respectively; And

Device is prolonged in two expansions, be located at this pedestal left side respectively, right two sides, and have circle round an arm and a coupled arm respectively, an and interlock unit, this arm that circles round has one first reverse end and one second end, this first end is to tie with the sliding bar pivot end pivot of this pedestal respective side, this coupled arm is pedal and this arm that circles round that articulates this pedestal respective side, this interlock unit is to circle round between arm between this rotating part of correspondence and this, see through this interlock unit, can drive this arm that circles round during this rotating part rotation is center of circle rotation with this first end, and this rotation direction of circling round arm rotation action is opposite with the rotation direction of this rotating part, when this rotating part rotated a circle around this center line, this arm second end that circles round just oppositely circled certainly according to this first end, and before drawing this pedal, back slippage.

2. elliptical exercise machine as claimed in claim 1, it is characterized in that, this expansion is prolonged device and is also had an adjustment unit, and this adjustment unit is to circle round between arm and this coupled arm between this, is available for users to adjust circle round distance between arm first end of the pivot points of this coupled arm and this arm that circles round and this.

3. elliptical exercise machine as claimed in claim 2, it is characterized in that, this arm that circles round has several locating holes of being arranged to this second end by this first end, this adjustment unit has along a slip base of this arm lengths direction slippage of circling round, and with a control piece of this mutual clip of arm corresponding positioning hole that circles round, this coupled arm is to tie with an end and this slip base pivot.

4. elliptical exercise machine as claimed in claim 1, it is characterized in that, this interlock unit has one first identical gear of the number of teeth and one second gear, this first gear is to be attached on this rotating part with this sliding bar pivot end is coaxial, and this rotating part is stationary state relatively, be to round and revolve in the same way with this rotating part to turn around, this second gear be with this arm that circles round coaxial be hubbed on this sliding bar and with this first gears engaged, be to return with this first gear to turn around, and reverse rotation one circle.

5. elliptical exercise machine as claimed in claim 1, it is characterized in that, this interlock unit has a cross(ed) belt of two roughly the same belt pulleys of external diameter and this two belt pulley of cover connection, wherein a belt pulley is to be attached on this rotating part with this sliding bar pivot end is coaxial, and this rotating part is stationary state relatively, be to round with this rotating part respectively and revolve in the same way and turn around, and reverse rotation one circle, another belt pulley is to be hubbed on this sliding bar with this arm that circles round is coaxial, be to see through this cross(ed) belt transmission, make the reverse turn of two belt pulleys.

6. elliptical exercise machine as claimed in claim 1, it is characterized in that, this gear unit has two rubber wheels that external diameter is roughly the same and side face touches mutually, wherein a rubber belt wheel is to be attached on this rotating part with this sliding bar pivot end is coaxial, and this rotating part is stationary state relatively, is to round and revolve in the same way with this rotating part to turn around, and another rubber wheel is to be hubbed on this sliding bar with this arm that circles round is coaxial, be to return with aforementioned rubber wheel to turn around, and reverse rotation one circle.

7. elliptical exercise machine as claimed in claim 1, it is characterized in that, this elliptical exercise machine also has two linkages, and this rotating part is arranged on this pedestal leading section, making this sliding bar slide end extends to this pedestal rearward end, these device with pedal have more respectively steps on seat, this steps on seat is to be articulated on this corresponding sliding bar with a front end, make on the rear end, lower swing, this pedal is to step on sliding closing with this, these linkages have a connecting rod respectively, and this connecting rod is to be linked to this with a rear end to step on seat one side, and is located at this body with displacement with a front end edge fore-and-aft direction.

8. elliptical exercise machine as claimed in claim 1, it is characterized in that, this rotating part is arranged on this pedestal rearward end, making this sliding bar slide end extends to this pedestal leading section, and these device with pedal also have respectively for this pedal fixed one step on seat, this steps on seat is that upper and lower floating ground is hubbed on this sliding bar one end face and can be along the front and rear direction displacement.

9. elliptical exercise machine as claimed in claim 8, it is characterized in that this elliptical exercise machine also has two linkages, these linkages have a connecting rod respectively, this connecting rod is to be linked to this sliding bar with a rear end to slide end, and is attached at this body with displacement with a front end edge fore-and-aft direction.

10. as claim 7 or 9 described elliptical exercise machines, it is characterized in that these linkages also have a swing arm respectively, and this swing arm is and this dashboard bracket pivot is tied, and articulates with the front end of a bottom and this connecting rod.

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