CN101234241B - Elliptical motion machine capable of changing sport travel range with user contributing force - Google Patents

Abstract

The invention relates to an elliptical track motion machine which can change motion displacement with the force output of users, and is provided with a left pedal and a right pedal which can move along a track which is similar to an ellipse. The invention is characterized in that: the motion displacement of the pedals can be changed with the strength of the force output of the users in the process of moving timely. For example, in an embodiment, the elliptical track motion machine comprises a left supporting bar and a right supporting bar, which extend pre and post and are respectively formed by the connection of a forepart and a post part which move relatively along a long axis; the supporting bars are provided with a first site which can be guided to rotate along a closed track, a second site which can move reciprocally pre and post and a trampling site (pedal) which is used for supporting the foot of the user; therefore, when the user strides, the force output of the legs can drive the supporting bar to extend or shorten timely. Therefore, the motion track and the displacement length of the pedals change correspondingly.

Description

Can exert oneself and change the elliptical exercise machine of movement travel with the user

Technical field

The present invention is relevant with exercise and fitness equipment, exert oneself size and the instant elliptical exercise machine (Elliptical) that changes in the time of particularly can moving along with the user about a kind of pedal travel.

Background technology

Elliptical exercise machine is emerging in recent years a kind of leg sports equipment, generally make a general reference various can left and right two pedals of guiding along the orbiting motion of approximate ellipsoidal, use for the user carry out similarly walking, the device of leg exercise such as running.Aforementioned footplate locus is broad before and after presenting, narrower prolate shape closed curve up and down mostly, and long axis length wherein generally promptly is called " stride (stride) " or " stroke ".Well imagine that long/short pedal travel can corresponding big/less leg exercise amount, and in general relatively be fit to height higher/shorter user.

Yet the footplate locus of general elliptical exercise machine nearly all is changeless, makes all users all must yield to set movement travel.Relatively, the known elliptical exercise machine that few part is also arranged, for example the U.S. the 6th, 719, No. 666 and the 6th, 994, the devices that patent disclosed such as No. 656, be available for users to the individual height of foundation, custom or work as time required amount of exercise, moderately adjust the movement travel of pedal by (in manual or electronic mode) setting element spatial relationship.In addition, the U.S. the 6th, 689, No. 019 patent then is exert oneself size and the instant elliptical exercise machine that changes when disclosing a kind of pedal travel and can move along with the user.

Summary of the invention

Main purpose of the present invention is to provide a kind of elliptical exercise machine, exert oneself size and instant change when its pedal travel stroke can move along with the user, thus, the user need not to carry out institutional adjustment before motion or in the motion, can obtain the suitable pedal travel stroke of length by nature, comparatively convenient in the use; And the user can optionally change the size of exerting oneself of taking a step to move in motion process, and mobility ground increases or reduce at that time amount of exercise.

In order to achieve the above object, in a preferred embodiment of the present invention, elliptical exercise machine includes: a skeleton; One guiding device is located on the skeleton, and having can be along two contact that unroll of a sealing orbiting motion; Two support bars, each extends before and after generally being, and is respectively to form by can be generally joining to a leading portion spare of relative motion and a back segment spare along major axis; Have one first position, one second position and a trample part on each support bar, wherein, first position is articulated in one of the described guiding device contact that unrolls accordingly, and second position can seesaw with respect to skeleton, and trample part is in order to support user's foot; Described three positions on each support bar, wherein at least one is positioned on the leading portion spare, and at least one is positioned on the back segment spare; Thus, the shank the when user takes a step is exerted oneself and can be elongated or shortened by instant drive support bar, and allows the movement locus of trample part and haul distance correspondence thereof change.

In another preferred embodiment of the present invention, elliptical exercise machine includes: a skeleton; One guiding device, structure is the same; Two intermediary's assemblies respectively have one first contact and one second contact, and wherein, first contact is articulated in one of the guiding device contact that unrolls accordingly, and second contact can be with respect to deflection before and after first contact; Two support bars extend before and after each generally is, and have one first position, one second position and a trample part respectively, and wherein, first position is articulated in second contact of intermediary's assembly accordingly, and second position can seesaw with respect to skeleton; Thus, the shank the when user takes a step is exerted oneself, and meeting is instant to drive intermediary's assembly with respect to skew before and after the contact that unrolls, and allows the movement locus of trample part and haul distance correspondence thereof change.

In another preferred embodiment of the present invention, elliptical exercise machine includes: a skeleton; One guiding device, structure is the same; Two support bars, each extends before and after generally being, and has one first position and one second position respectively, and wherein, first position is articulated in one of the described guiding device contact that unrolls accordingly, and second position can be with respect to motion before and after skeleton is on a desired trajectory; Two pedals are located at respectively on described two support bars, and each can be along the major axis of support bar to slippage; Two swing arms, each generally is longitudinal extension, and is respectively to form by joining to an epimere spare of relative motion and a lower section piece along major axis; The top of each swing arm is articulated in skeleton, and the bottom is articulated in a pedal accordingly; Thus, the shank the when user takes a step is exerted oneself the instant pedal that drives of meeting with respect to skew before and after the support bar, and allows the movement locus of pedal and haul distance correspondence thereof change.

In another preferred embodiment of the present invention, elliptical exercise machine includes: a skeleton; One guiding device, structure is the same; Two support bars, each extends before and after generally being, and respectively has one first position, one second position and one the 3rd position, and wherein, first position is articulated in one of the described guiding device contact that unrolls accordingly, and second position can seesaw with respect to skeleton; Two swing arms, each is articulated in described skeleton with generally being longitudinal extension, and the bottom can swing front and back; Two slide bars, each extends before and after generally being, shaft can be accordingly on the 3rd position of a support bar before and after slippage, and wherein an end is articulated in the bottom of a swing arm accordingly; Two connecting rods, wherein an end is articulated on the support bar accordingly, and the other end is articulated in the swing arm accordingly, and pivoting point can generally move up and down along swing arm.Change in the kenel one, described connecting rod is to be articulated in described swing arm in the mode that pivoting point can't move up and down, but described slide bar is articulated in a described wherein end of swing arm bottom, and pivoting point can generally move up and down along swing arm.

In another preferred embodiment of the present invention, elliptical exercise machine includes: a skeleton; One guiding device has two datum marks that can seesaw with respect to skeleton separately, and can be respectively with respect to a datum mark wherein along two of the sealing orbiting motion contact that unrolls; Two support bars, each extends before and after generally being, and has one first position, one second position and a trample part, and wherein, first position is articulated in one of the described guiding device contact that unrolls accordingly, and second position can seesaw with respect to skeleton; Thus, the shank the when user takes a step is exerted oneself the instant guiding device that drives of meeting with respect to skew before and after the skeleton, and allows the movement locus of trample part and haul distance correspondence thereof change.

Adopt above technical scheme, the user is when use is of the present invention, need not before motion or in the motion, to carry out institutional adjustment, as long as limbs are launched a campaign naturally, can obtain to cooperate the movement travel of its height and trick length, do not have limitation or excessive sensation, comparatively convenient in the use, motion experiences preferable.And the user can optionally change in motion process and takes a step to move and the size of exerting oneself of hand push pull maneuver, and mobility ground increases or reduce at that time amount of exercise.

Description of drawings

Fig. 1 is the structural representation of the present invention's first preferred embodiment;

The similar Fig. 1 of Fig. 2, the state when signal pedal travel stroke strengthens;

Fig. 3 is the structural representation of the present invention's second preferred embodiment;

The similar Fig. 3 of Fig. 4, the state when signal pedal travel stroke strengthens;

Fig. 5 is the structural representation of the present invention's the 3rd preferred embodiment;

Fig. 6 is the structural representation of the present invention's the 4th preferred embodiment;

The similar Fig. 6 of Fig. 7, the state when signal pedal travel stroke strengthens;

Fig. 8 is the structural representation of the present invention's the 5th preferred embodiment;

The similar Fig. 8 of Fig. 9, the state when signal pedal travel stroke strengthens.

The specific embodiment

For the effect that describes structure of the present invention in detail and reached, existing following preferred embodiment of act and conjunction with figs. are described as follows.

(annotate: the drawing content is a rough schematic in the present invention's first preferred embodiment at first as shown in Figure 1; The back together), the elliptical exercise machine 100 of present embodiment includes can stablize a skeleton 110 that is arranged on the floor, skeleton 110 front ends (i.e. left side among the figure) are provided with a guiding device 120, guiding device 120 is a crank mechanism in the present embodiment, mainly comprise a rotating shaft 121 that laterally is hubbed on the skeleton 110, and be fixed in rotating shaft 121 left sides, relative two cranks 122 of right two ends, the outer end of each crank 122 forms the contact 123 that unrolls, so, two of guiding device 120 unroll contact 123 can with about the rotating shaft 121 of extending be the axle center, on the sealing track T1 of a circle, carry out reverse each other drawback movement.(not shown) in other embodiments of the invention, guiding device may adopt some complicated known mechanism, and providing can be around the contact that unrolls of oval, avette or other similar sealing orbiting motion.In addition, guiding device 120 can be connected (not shown) with a drag devices, and the feasible contact 123 that unrolls must be resisted predetermined resistance and turn round, but this part is a known techniques, and related with the present invention little.

Left and right two sides of elliptical exercise machine 100 respectively have the support bar 130 that without exception is the front and back extension, the front end of two support bars 130 respectively forms one first position 133, be articulated in two of guiding device 120 contact 123 that unrolls respectively, also promptly be limited in circular trace T1 and go up motion.Left and right two sides of elliptical exercise machine 100 also respectively have the swing arm 140 that without exception is longitudinal extension, each swing arm 140 is articulated in a predetermined position (to call the articulated section in the following text) 141 of centre portion on the skeleton 110 respectively, makes that top and bottom can be that the axle center oppositely rocks back and forth each other with articulated section 141.The top of two swing arms 140 forms one respectively and is available for users to left hand and the right hand is caught the handle of holding 142, bottom (to call the portion of swinging in the following text) 143 is articulated in one second position 134 that is positioned at position, middle back partially on two support bars 130 respectively, guides second position 134 front and back motion on the arc track of the portion of swinging 143 of support bar 130 thus.The rear end of each support bar 130 forms a trample part (being pedal) 135, and left and right two trample parts 135 are respectively in order to support user's left foot and right crus of diaphragm.

By above-mentioned foundation structure, substantially, when stepping on both feet respectively, the user stands on two trample parts 135, and both hands are caught respectively be held on two handles 142, when driving support bar 130 and swing arm 140 motions with the both feet and the both hands application of force then, user's foot will keep relatively going up motion at the track (for example T2 among Fig. 1) of an approximate ellipsoidal along with left and right two trample parts 135, and hand also can move back and forth before and after left and right two handles 142 are each other oppositely on an arc trajectory.

The architectural feature of the elliptical exercise machine 100 of present embodiment is, each support bar 130 is to be engaged by a shaft-like leading portion spare 131 and a shaft-like back segment spare 132 to form, the two is 131 years old, 132 can be roughly along the major axis of support bar 130 to relative motion, in the present embodiment, the joint of leading portion spare 131 and back segment spare 132 partly is the coaxial socket of structure that utilizes similar expansion link, and be provided with one therebetween and keep the device (not shown), holdout device can make leading portion spare 131 and back segment spare 132 have to keep the trend of a default relativeness (even also support bar is kept a predetermined length), when wanting renunciation each other, when comprising relatively near (also being that support bar shortens) and relatively away from (also being the support bar elongation), must the opposing predetermined resistance that holdout device applied.For example, each holdout device can adopt two groups of springs to reach above-mentioned effect, two springs are connected between leading portion spare 131 and the back segment spare 132 separately, but the two installing direction is opposite, the extension elastic force of one of them can push away leading portion spare 131 relatively forward, another extension elastic force but can be with leading portion spare 131 relatively toward pusher, make leading portion spare 131 have the trend that remains on a predeterminated position with respect to back segment spare 132, in other words, (allowing wherein, a spring compresses when applying enough external force, another spring stretches) time, leading portion spare 131 and back segment spare 132 can produce corresponding relatively near or relatively away from, when external force disappeared or reduce, leading portion spare 131 and back segment spare 132 can be inclined to the recovery preset relation again.

In the present embodiment, the portion that swings 143 of each swing arm 140 is the places, back segment spare 132 inclined to one side the place ahead that are articulated in support bar 130, and in other words, first position 133 on each support bar 130 and second position 134 are to lay respectively on leading portion spare 131 and the back segment spare 132.

By the said structure feature, when the user when using the elliptical exercise machine 100 of present embodiment, shank takes a step to move or the strength size of hand push pull maneuver, can make instant change of movement locus (the especially length on the fore-and-aft direction) of the handle 142 on the trample part 135 of support bar 130 rear ends and swing arm 140 tops.For example, please comparison diagram 1 and Fig. 2: suppose that user's application of force that member bore among Fig. 1 is below predetermined extent, make in operation, the leading portion spare 131 and the back segment spare 132 of each support bar 130 roughly maintain predetermined relativeness, and allow the movement locus T2 as shown in FIG. of the trample part 135 under this state; If user's action strengthens, the application of force strengthens, under crank 122 angles for example shown in the figure, user's left foot strengthens to exert oneself and trample part 135 is driven (and/or the left hand increasing is exerted oneself handle 142 toward post-tensionings) more forward, simultaneously, user's right crus of diaphragm also strengthens and exerts oneself and drive backward (and/or the right hand strengthen to exert oneself push away) symmetrically forward, make support bar 130 correspondences in left side shorten, the support bar 130 corresponding elongations on right side, then the T2 ' that the movement locus of the trample part 135 under this state may be as shown in Figure 2 has longer stroke (stride).

Thus, the user is when using above-mentioned elliptical exercise machine 100 of the present invention, need not before motion or in the motion, to carry out institutional adjustment, as long as limbs are launched a campaign naturally, can obtain to cooperate the movement travel of its height and trick length, do not have limitation or excessive sensation, comparatively convenient in the use, motion experiences preferable.And the user can optionally change in motion process and takes a step to move and the size of exerting oneself of hand push pull maneuver, and mobility ground increases or reduce at that time amount of exercise.

What must remark additionally is, from purpose of the present invention and effect, first position of support bar (also being the position that rotates capable of circulation), second position (position of displacement before and after also getting final product) and trample part, three's context must as above not stated drawing and set.For example, (not shown) in other embodiments of the invention, a wherein end of support bar forms first position that is connected with guiding device, the other end form can be on skeleton before and after second position of slippage, trample part then is between first position and second position---no matter be all can on the leading portion spare or on the back segment spare.Certainly, even first position and second position are positioned on leading portion spare or the back segment spare simultaneously, need only trample part and be located on another object, also the above-mentioned effect of attainable cost invention.

Below will enumerate some other preferred embodiments of the present invention again, each embodiment all can reach similar effect, partly is repeated in this description hereinafter no longer at this point.

The present invention's second preferred embodiment as shown in Figure 3, the elliptical exercise machine 200 of present embodiment consists predominantly of:

One skeleton 210.

One guiding device 220 is located at skeleton 210 front ends, and is identical with precedent, is essentially a crank mechanism, has a rotating shaft 221, two cranks 222 and two contact 223 that unrolls.

Two intermediary's assemblies 230, respectively for be the shaft of longitudinal extension without exception, top and bottom form one first contact 231 and one second contact 232 respectively.First contact 231 of two intermediary's assemblies 230 is articulated in two of guiding device 220 contact 223 that unrolls respectively, make the below second contact 232 can before and after swing.

Two support bars 240 lay respectively at left and right two sides, and extend before and after roughly presenting, and front end forms one first position 241 and is articulated in corresponding intermediary's assembly 230 bottoms (i.e. second contact) 232, and the rear end forms a trample part 243.

Two swing arms 250 lay respectively at left and right two sides, and roughly present longitudinal extension, are articulated on the skeleton 210 with an articulated section 251 of centre portion, make top and bottom to rock back and forth.The bottom of each swing arm 250 is articulated in one second position 242 on the corresponding support bar 240, guides the front and back displacement on an arc trajectory of second position 242 thus.In addition, be provided with one between the bottom of each swing arm 250 and the corresponding support bar 240 and keep device (annotating: simply illustrate with a spring 260 among the figure), holdout device makes swing arm 250 and support bar 240 when the relative angle desire surpasses certain preset range, must the default resistance of opposing.The top of each swing arm 250 forms a handle 252.

As shown in Figure 4, adopt said structure, the user is if apply bigger strength to trample part 243 on fore-and-aft direction, can be as Fig. 4 with respect to Fig. 3, make the movement locus of trample part 243 can extend to more the place ahead and more rear, also promptly obtain longer stroke and bigger amount of exercise; Vice versa.In the present embodiment, the resistance mechanism of holdout device also can select or increase be installed between intermediary's assembly 230 and the support bar 240, between intermediary's assembly 230 and the crank 222 and/or between swing arm 250 and the skeleton 210.

Then the present invention's the 3rd preferred embodiment as shown in Figure 5, the elliptical exercise machine 300 of present embodiment consists predominantly of:

One skeleton 310.

One guiding device 320 is located at skeleton 310 front ends, is essentially a crank mechanism, has a rotating shaft 321, two cranks 322 and two contact 323 that unrolls and (annotates: only illustrate the half side part in a user left side among the figure; Also identical with lower member).

Two support bars 330, the front end of each support bar 330 is articulated on the corresponding contact 323 that unrolls, formation can be along first position 331 that circular trace rotates, and the rear end then is that the roller that is pivoted is taken on the slide rail 311 that is placed on skeleton 310, formation can before and after second position 332 of displacement.

Two pedals 340 in order to support user's both feet, are located at respectively on two support bars 330, and each pedal 340 can utilize the bottom roller 341 on support bar 330 along the major axis of support bar to doing limited slippage.In addition, be provided with one between each pedal 340 and the corresponding support bar 330 and keep device, it can make pedal 340 have the trend that maintains a precalculated position with respect to support bar 330, among the figure once again with two groups of springs 360 one in front and one in back oppositely pushing pedal 340 as example.

Two swing arms 350, each swing arm 350 roughly presents longitudinal extension, and is to be joined by an epimere spare 352 and a lower section piece 353 to forming, and epimere spare wherein 352 is articulated on the skeleton 310 with an articulated section 351, and the top forms a handle 354; 353 of lower section pieces are that the mode with slippage vertically is plugged on 352 end of epimere spare section, and in other words, the section below 351 can appropriateness down extends or up shortens in the articulated section in swing arm 350.The bottom of two swing arms 350 is articulated in respectively on two pedals 340.

Thus, the application of force the when user moves can be passed to support bar 330 via pedal 340, and the crank 322 that drives front end again rotates, and makes that the pedal 340 on the support bar 330 moves on the track of an approximate ellipsoidal.In the process, swing arm 350 can elongate or shorten accordingly.When user's application of force strengthens and when overcoming the resistance of holdout device, pedal 340 promptly can with respect to support bar 330 reaches or after move, make the corresponding lengthening of whole movement travel.

Then the present invention's the 4th preferred embodiment as shown in Figure 6, the elliptical exercise machine 400 of present embodiment consists predominantly of:

One skeleton (annotating: omit among the figure).

One guiding device 410, structure is the same, has a rotating shaft 411 that is hubbed on the skeleton, and utilizes crank and relative two contacts 413 that unroll that can twisted rotary shaft 411.

Two support bars 420, the front end of each support bar 420 are articulated on the corresponding contact 413 that unrolls, and form one first position 421; The rear end establish a roller make can before and after slippage, form one second position 422.In addition, the rough middle position of each support bar 420 is provided with one the 3rd position 423, but is the pulley that rolls in an original place in the present embodiment.

Two swing arms 430, each is articulated on the skeleton with an articulated section 431, and the top forms a handle 432, and the bottom forms the portion that swings.

Two slide bars 440 lay respectively at left and right two sides, extend before and after each slide bar 440 roughly presents, and front end is articulated in corresponding swing arm 430 bottoms, and the rear end forms a trample part 441.The shaft of slide bar 440 can slippage before and after on the 3rd position (pulley) 423 of the support bar 420 of correspondence.

Two connecting rods 450 lay respectively at left and right two sides, and the rear end 452 of each connecting rod 450 is articulated on the corresponding support bar 420, and front end 451 is articulated in the corresponding swing arm 430, and front end 451 can be along the major axis of swing arm 430 to doing limited upper and lower displacement.In addition, between connecting rod 450 front ends 451 and the swing arm 430, upper and lower respectively is provided with a spring 460, uses so that front end 451 has the trend that maintains a predeterminated position with respect to swing arm 430.

Said structure can make trample part 441 move on the track of an approximate ellipsoidal equally, and, when the application of force of user on fore-and-aft direction surpasses certain degree, connecting rod 450 positions of front end 451 in swing arm 430 will produce skew (also promptly wherein spring compression, another spring stretch), the relative angle of related change slide bar 440 and swing arm 430 makes the trample part 441 of slide bar 440 rear ends be able to more forward or backward.

Present embodiment has a variation kenel also can reach identical effect in addition, that is, the front end 451 of each connecting rod 450 is articulated in the precalculated position in the swing arm 430 instead, can't be offset up and down; Relatively, the front end of each slide bar 440 makes into can be generally along the mode of swing arm 430 major axis to slippage, is articulated in one of swing arm 430 and swings in the portion (for example bottom).So, the movement locus of trample part 441 and haul distance thereof equally can the instant changes in response to user's application of force size.

Connecting rod 450 front ends and the position of slide bar 440 front ends in swing arm 430 also may be exchanged up and down.

At last as Fig. 8, the present invention's the 5th preferred embodiment shown in Figure 9, the elliptical exercise machine 500 of present embodiment consists predominantly of:

One skeleton 510;

One guiding device 520, as shown in Figure 9, two movable stands 521,521 arranged side by side about the guiding device 520 in the middle of the present embodiment has ', can utilize slippage before and after the roller 522,522 of bottom ' on skeleton 510 separately.Each movable stand 521,521 ' the top be provided with a datum mark 523,523 ' and crank 524,524 ', crank 524,524 ' outer end form one can around datum mark 523,523 ' the contact 525,525 that unrolls '.Simultaneously, left side and two datum marks 523,523 on right side ' between binding one flexible beam barrel (not shown), thus, even left and right two movable stands 521,521 ' one in front and one in back, two cranks 524,524 ' still can drive mutually by flexible beam barrel, keep the phase difference of 180 degree.

Two support bars 530, front end respectively form one first position 531, be articulated in respectively two unroll contact 525,525 ' on, the rear end respectively forms a trample part 533, has one second position 532 between the trample part 533 and first position 531.

Two swing arms 540, each is articulated on the skeleton 510 with an articulated section 541, and the bottom is articulated in corresponding support bar 530 second positions 532, and the top forms a handle 542.

Thus, in motion process, when the user strengthens its stride of taking a step to move and strength, two movable stands 521,521 ' promptly can be accordingly forward or slippage backward (annotate: under moving naturally, when side slippage forward wherein, opposite side slippage backward equally), make trample part 533 or backward more forward, the haul distance that also is the foot motion track strengthens, and reaches purposes such as increasing amount of exercise.

Claims (2)

1. can exert oneself and change the elliptical exercise machine of movement travel with the user for one kind, include:

One skeleton;

One crank mechanism, comprise relative two cranks that are hubbed on the rotating shaft on the described skeleton and are fixed in described rotating shaft two ends, the outer end of each described crank forms can be along one of the sealing orbiting motion of the circle contact that unrolls, and described two unroll contact when carrying out drawback movement, counter motion before and after forming;

Two support bars, before and after presenting, extends each described support bar, respectively have one first position and one second position that are separated by, first position of described two support bars is articulated in two of the described crank mechanism contact that unrolls respectively, and described second position can seesaw with respect to described skeleton; Each described support bar has a trample part in addition, and the trample part of described two support bars is left foot and the right crus of diaphragm in order to support described user respectively;

It is characterized in that:

Each described support bar be by one relatively the preceding leading portion spare and relatively after back segment spare join and form, described leading portion spare and back segment spare along the major axis of described support bar to mutual socket, can be along the major axis of described support bar to relative motion; First position on each described support bar, second position and trample part, wherein at least one is positioned on the described leading portion spare, and at least one is positioned on the described back segment spare in addition.

2. as exerting oneself and change the elliptical exercise machine of movement travel with the user as described in the right request 1, it is characterized in that: have the device of keeping between the leading portion spare of each described support bar and the back segment spare, comprise two springs that are connected separately between described leading portion spare and the back segment spare, the extension elastic force of one of them spring pushes away described leading portion spare relatively forward, the extension elastic force of another spring is with the past relatively pusher of described leading portion spare, make described leading portion spare and back segment spare have to keep predetermined relativeness so that described support bar has the trend of keeping a predetermined length, must resist the predetermined resistance of described spring in the time of will breaking away from the described relative motion of described relativeness each other.

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