CN201676450U

CN201676450U - Stride length variable sports apparatus

Info

Publication number: CN201676450U
Application number: CN2009202115377U
Authority: CN
Inventors: 张世福
Original assignee: Johnson Health Tech Shanghai Co Ltd
Current assignee: Johnson Health Tech Shanghai Co Ltd
Priority date: 2009-10-30
Filing date: 2009-10-30
Publication date: 2010-12-22
Anticipated expiration: 2019-10-30

Abstract

A stride length variable sports apparatus comprises a framework, a crankshaft system, a left linkage mechanism, a right linkage mechanism and a connecting system. The left linkage mechanism and the right linkage mechanism respectively comprise a first linkage assembly and a second linkage assembly, the first linkage assembly is provided with a swinging part and a foot supporting part, the swinging part and the foot supporting part are respectively provided with a first connecting portion and a second connecting portion,wherein the first connecting portion of the swinging part is pivoted on a supporting frame, the second connecting portion of the swinging part is mutually pivotally connected with the first connecting portion of the foot supporting part, the second linkage assembly is at least provided with two connecting rods, one end of the second linkage assembly is pivoted with a frame while the other end is pivoted with the foot supporting part, moving planes of the first connecting portion and the second connecting portion of the foot supporting part are parallel mutually, the connecting system comprises a left flexible part and a right flexible part, each of the left flexible part and the right flexible part is connected with the foot supporting part on the crankshaft system, and the foot supporting part reciprocates up and down when the crankshaft system rotates. By aid of the stride length variable sports apparatus, moving stride length of a user can be changed, and furthermore, the moving stride length of the user can be more stable.

Description

The sports equipment of variable stride

Technical field

The utility model relates to a kind of sports equipment, particularly relates to a kind of sports equipment of variable stride.

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 or stroke.Well imagine, long or the short corresponding bigger or less leg exercise amount of pedal travel meeting, and in general relatively be fit to the higher or shorter user of height.

Yet the footplate locus of general elliptical exercise machine nearly all is changeless, makes all users all must yield to set movement travel.Relative, the known elliptical exercise machine that small 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, set the movement travel that makes up spatial relationship and moderately adjust pedal by manual or electronic mode.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.

Further, the useful flexible piece of industry replaces the tendency of part connecting rod at present, at least have a framework, as an elliptical machine and be located at a crank system and a connection rod set on the framework, wherein crank system comprises two crank arms, aforementioned connection rod set comprises two wobble-members, bipod support member and two flexible pieces, first end of aforesaid two wobble-members articulates with crank arm respectively, second end articulates with first end of pin support member respectively, first end of aforesaid two flexible pieces is connected with framework respectively, and second end is connected with second end of pin support member respectively.This kind elliptical machine not only can obtain the instant stride that changes, and because flexible piece makes motion also possess flexibility as the substitute of connecting rod, the ergonomics effect is better, but also there is shortcoming in this kind elliptical machine, as: because the adding of aforementioned flexible piece, make the direction of motion possess uncertainty, especially the sideshake of Chan Shenging can influence movement effects.

Summary of the invention

The technical problem that the utility model mainly will solve is for the unsettled relatively shortcoming of the motion of the body-building equipment that overcomes application flexibility spare of the prior art.

The utility model solves above-mentioned technical problem by following technical proposals: a kind of sports equipment of variable stride, and it comprises: a framework, this framework have the pedestal that extends front and back and from the upwardly extending bracing frame of pedestal;

One crank system;

One left linkage, it comprises the first left connection rod set and the second left connection rod set, the described first left connection rod set comprises a left wobble-member and a left foot support member, described left wobble-member and left foot support member have first connecting portion and second connecting portion respectively, wherein first connecting portion of left wobble-member is hubbed on the bracing frame, second connecting portion of left side wobble-member and first connecting portion of left foot support member articulate mutually, the described second left connection rod set, form by at least two connecting rods, and has first link that is articulated in bracing frame at least, be articulated in second link of left foot support member second connecting portion and the joint portion between connecting rod, described left foot support member first connecting portion, the plane of movement of second connecting portion of left foot support member is parallel to each other;

One right connecting rod mechanism, it comprises the first right connecting rod group and the second right connecting rod group, the described first right connecting rod group comprises a right wobble-member and a right crus of diaphragm support member, described right wobble-member and right crus of diaphragm support member have first connecting portion and second connecting portion respectively, wherein first connecting portion of right wobble-member is hubbed on the bracing frame, second connecting portion of right wobble-member and first connecting portion of right crus of diaphragm support member articulate mutually, the described second right connecting rod group, form by at least two connecting rods, and has first link that is articulated in bracing frame at least, be articulated in second link of right crus of diaphragm support member second connecting portion and the joint portion between connecting rod, described right crus of diaphragm support member first connecting portion, the plane of movement of second connecting portion of right crus of diaphragm support member is parallel to each other;

One system of connections, two flexible pieces about it comprises, this each flexible piece connects the pin support member on crank system, and the pin support member is done and is pumped when crank system rotates.

Setting by the second left connection rod set and the second right connecting rod group, especially the setting that is parallel to each other of the plane of movement of first connecting portion of pin support member and second connecting portion, this sports equipment can avoid producing the aforesaid shortcoming that replaces the elliptical machine of connecting rod with flexible piece, promptly can not make left and right pin support member the waving of left and right horizontal indefinite amplitude in motion process, because the utility model overcomes can above-mentioned shortcoming, so user's motion is more stable, unlikely generation danger or uncomfortable feeling.

Wherein, this flexible piece can be rope, cable wire, chain, one of them person of cable bar.

Wherein, this bracing frame has a suspension part, be respectively equipped with at least one pulley on left foot support member and the right crus of diaphragm support member, one end of above-mentioned flexible piece is connected in crank system, the other end is connected on the suspension part of bracing frame by pulley, when the user operated this sports equipment, this pulley can move back and forth flexible piece swimmingly.

Wherein, the position of this suspension part is adjustable; promptly can be arranged to manually adjustablely can also be arranged to automatic and adjustable, its automatic and adjustable can realize by motor, thereby the adjustable major axis track of the change in location movement locus of flexible piece one end that can make of position, suspension part can change to some extent.

Wherein, first link, second link and the joint portion of this second left connection rod set and the second right connecting rod group have pivot respectively, respectively this pivot is parallel to each other, the connection rod set rotational plane is vertical with horizontal plane, because this structure, user's pin movement locus is remained in the perpendicular plane in same level face or ground, thereby make motion comparatively steady, and meet most of users' demand.

Wherein, this bracing frame has distinguishes the first parallel installation shaft, second installation shaft and the 3rd installation shaft from top to bottom, one wobble-member simultaneous movement system and single-revolution resistance system are located on aforesaid three installation shaft independently of each other, because the shared independently of each other installation shaft of wobble-member simultaneous movement system and steering resistance system, so saved the quantity of installation shaft, and then saved the volume and weight of this sports equipment.

Description of drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is the left side isometric view of Fig. 1.

Fig. 3 is the right side three-dimensional view of Fig. 1.

Fig. 4 removes the three-dimensional view of part transmission system member for Fig. 1.

Fig. 5 is the right side view of Fig. 4.

Fig. 6 is the three-dimensional view of transmission system (removal belt).

Fig. 7 is the rearview of wobble-member simultaneous movement system.

Fig. 8 is the explosive view of Fig. 7 (removing the resistance unit).

Fig. 9 is the front view of steering resistance system.

Figure 10 is the right view of transmission system.

Figure 11 is the left view of Figure 10.

The specific embodiment

Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.

As shown in Figure 1 to Figure 3, the framework of sports equipment 10 comprises a pedestal 11 and a bracing frame 12, extend before and after pedestal 11 generally is, this sports equipment is used pedestal 11 and is supported on the ground, and bracing frame 12 extends upward the support that forms other all moving links from pedestal 11.Aforesaid bracing frame is specially: montant 13,14 extend upward from pedestal 11 with certain angle, in Fig. 1 of preferred embodiment, its montant 13 generally is 80 degree angles with pedestal, montant 14 and pedestal approximate vertical, cross bar 15,16,17 vertical direction successively from top to bottom respectively with montant 13,14 is fixing and be parallel to each other, more excellent, its cross bar is parallel to the ground respectively, connecting rod 18,19 from top to bottom respectively with a left side, right montant 13 connects and is parallel to each other, one cross section is that tetragonal crossbeam 20 is formed at a left side, between the right cross bar 17, one bracing piece 21 is oblique extension down and fixing with pedestal 11 from the centre of crossbeam 20, and bracing piece 21 significant feature are for strengthening the intensity of whole framework.One aft-opening handrail bracing frame comprises that one is fixed on the top of left and right montant 14 and extends back along fore-and-aft direction from the both sides of cross bar 22 respectively along cross bar 22, left and right handrail 23 that left and right directions extends, one cross bar 24 parallel with cross bar 22 is formed on 22 rear, its two ends are fixed with left and right handrail 23 respectively, and an auxiliary handrail 25 is formed at the position of the rough central authorities of cross bar 24.Be provided with accordingly respectively on the fore-and-aft direction of left and right handrail 23 about a plurality of being to through hole 26, one suspension parts 27 by through hole 26 by front and back to rotatably being articulated on the handrail bracing frame.One end of one meter support bar 28 is fixed on the connecting rod 18, and extends upward forward and form the other end and be used for fixing instrument 29.

As Fig. 1, Fig. 2, Fig. 6, Figure 10 and shown in Figure 11, bracing frame of the present utility model is provided with the first installation shaft 1A, the second installation shaft 1B, the 3rd installation shaft 1C and auxiliary installation shaft 1D, the first installation shaft 1A is installed on the cross bar 15 by left and right bearing block 30, the second installation shaft 1B is installed on the left and right cross bar 17 by Y-axis bearing 31, the supported on both sides of the 3rd installation shaft 1C is on the support chip 32 between pedestal 11 and the montant 14 and can regulate the height of the relative pedestal 11 of the 3rd installation shaft 1C by set screw 33, and auxiliary installation shaft 1D is located on the cross bar 16.

Crank system 34 of the present utility model comprises left crank arm 35a and right crank arm 35b, first end of left and right crank arm be fixed on installation shaft 1A about two outsides and be 180 degree angles and be provided with, second end more preferably can fixedly be installed a Left-wing Federation lump 36a, a right link block 36b respectively.

In order comparatively clearly to show the concrete structure of linkage, Fig. 4 is the stereogram of the most of transmission system member of removal of Fig. 2, and Fig. 5 is the stereogram of the most of transmission system member of removal of Fig. 3.Cooperation is with reference to Fig. 4, shown in Figure 5, left linkage 40a of the present utility model comprises the first left connection rod set 41a and the second left connection rod set 42a, wherein the first left connection rod set 41a comprises a left wobble-member 43a and a left foot support member 44a, left side wobble-member 43a has a upper end and a lower end, its the upper end have Y-axis to axle sleeve, it is sheathed on installation shaft 1A rotation relatively on the left and right sides excircle of installation shaft 1A, its lower end have about one to connecting axle, has a centre bore on this axle, a left side, right wobble-member can be the center with the upper end, and the distance between the top and bottom is that radius is done the sagittal arcuate movement of general one-tenth.Left foot support member 44a has a front end and a rear end, its front end has a pivot ear 45a, this pivot ear 45a articulates by the connecting axle of pivot and aforesaid wobble-member 43a lower end, its rear end has a pedal 46a, in the rough position in the middle of this left foot support member 44a and along the pivot ear 47a that (perhaps claims on the width of this support member) to have a upward opening on the left and right directions.The second left connection rod set 42a has a upper left fork 48a and lower-left fork 49a, the upper end of upper left fork 48a has about one to shaft part and articulates and form the left fork first pivot 2A with the pivot ear 50a that is welded on the handrail downside, the upper end shaft part that the lower end of upper left fork 48a is welded with a pivot ear 51a and lower-left fork 48a articulates and forms the left fork second pivot 2B, the pivot ear 47a of the lower end shaft part of lower-left fork 49a and left foot support member 44a is articulated and has formed left fork the 3rd pivot 2C, the aforementioned left fork first pivot 2A, the left side fork second pivot 2B is parallel respectively with left fork the 3rd pivot 2C, more preferably, aforementioned three pivots are parallel to ground (or being referred to as supporting surface) respectively.One pulley 52a rotatably is fixed on the front end outside of left foot support member 44a, and more specifically, it is fixed on the pivot ear 45a, and another pulley 53a rotatably is fixed in the inboard of left foot support bar, and its position is between the lower end and pedal 46a of lower-left fork 49a.Because above-mentioned design, the pedal travel trajectory plane is vertical with horizontal plane, and the movement locus plane of first connecting portion of left foot support member and left foot support member second connecting portion is overlapped and perpendicular with ground, thereby makes motion comparatively steady.Nature; said structure is preferable structure; those skilled in the art also can expect other alternative structure, as long as but the plane of movement of second connecting portion of the plane of movement of first connecting portion of left foot support member and left foot support member is parallel to each other to guarantee that the unlikely inward-outward direction beat of left foot support member is exactly protection scope of the present invention.

Right connecting rod 40b of mechanism of the present utility model and left linkage 40a are and are symmetrical arranged, it comprises the first right connecting rod group 41b and the second right connecting rod group 42b, wherein the first right connecting rod group 41b comprises a right wobble-member 43b and a right crus of diaphragm support member 44b, right wobble-member 43b has a upper end and a lower end, its the upper end have Y-axis to axle sleeve, it is sheathed on installation shaft 1A rotation relatively on the left and right sides excircle of installation shaft 1A, its lower end have about one to connecting axle, has a centre bore on this axle, a left side, right wobble-member can be the center with the upper end, and the distance between the top and bottom is that radius is done the sagittal arcuate movement of general one-tenth.Right crus of diaphragm support member 44b has a front end and a rear end, its front end has a pivot ear 45b, this pivot ear 45b articulates by the connecting axle of pivot and aforesaid wobble-member 43b lower end, its rear end has a pedal 46b, in the rough position in the middle of this right crus of diaphragm support member 44b and along the pivot ear 47b that (perhaps claims on the width of this support member) to have a upward opening on the left and right directions.The second right connecting rod group 42b has a upper right fork 48b and bottom right fork 49b, the upper end of upper right fork 48b has about one to shaft part and articulates and form the right fork first pivot 3A with the pivot ear 50b that is welded on the handrail downside, the upper end shaft part that the lower end of upper right fork 48b is welded with a pivot ear 51b and bottom right fork 49b articulates and forms the right fork second pivot 3B, the pivot ear 47b of the lower end shaft part of bottom right fork 49b and right crus of diaphragm support member 44b is articulated and has formed right fork the 3rd pivot 3C, the aforementioned right fork first pivot 3A, the right fork second pivot 3B is parallel respectively with right fork the 3rd pivot 3C, more preferably, aforementioned three pivots are parallel to ground (or being referred to as supporting surface) respectively.One pulley 52b rotatably is fixed on the front end outside of right crus of diaphragm support member 44b, and more specifically, it is fixed on the pivot ear 45b, and another pulley 53b rotatably is fixed in the inboard of right crus of diaphragm support bar, and its position is between the lower end and pedal 46b of bottom right fork 49b.Because above-mentioned design, the pedal travel trajectory plane is perpendicular to the ground, and the movement locus plane of first connecting portion of right crus of diaphragm support member and right crus of diaphragm support member second connecting portion is overlapped and perpendicular with ground, thereby makes motion comparatively steady.Nature; said structure is preferable structure; those skilled in the art also can expect other alternative structure, as long as but the plane of movement of second connecting portion of the plane of movement of first connecting portion of right crus of diaphragm support member and right crus of diaphragm support member is parallel to each other to guarantee that the unlikely inward-outward direction beat of right crus of diaphragm support member is exactly protection scope of the present invention.

As shown in the figure, left side wobble-member 43a and right wobble-member 43b extend upward respectively from the upper end and form left handle 54a and right handle 54b, above-mentioned handle is not a simple linear pattern, but be bent into certain radian slightly forward so that user's the gripping and the application of force, and this handle can also be designed to other various shapes, such shape all belongs to prior art, so do not repeat them here.

As shown in the figure, one left flexible piece 55a has first end and second end, its first end is fixed on the caking 36a of the Left-wing Federation, its second end is walked around on the suspension part 27 that pulley 52a, 53a lie in handrail bracing frame left side successively, equally, one right flexible piece 55b (as Fig. 5) has first end and second end, and its first end is fixed on the right link block 36b, and its second end is walked around on the suspension part 27 that

pulley

52b, 53b lie in handrail bracing frame right side successively.Flexible piece and crank arm can also adopt other bind modes, as dispense link block and directly outside crank arm certain, establish through hole on the electrical path length, thereby an end of flexible piece is fastened by this through hole, also can be secured together an end of an end of link block and flexible piece in advance, and the other end of the free end of crank arm and link block is established pivoted hole, thereby makes link block and the pivotally connected flexibility that makes link block not influence flexible piece around the crank arm rotation of crank arm by pivoted hole.Owing to have plurality of through holes 26 on the handrail, thus suspension part 27 can be hubbed on arbitrary through hole 26, thereby change the axial inclination of pedal sealing track, by change track axial inclination realize strolling, the kinaesthesis of upward slope, descending.Naturally as previously mentioned, the suspension part of this mechanism also can adopt the mode of electro-motor adjusting to realize the replacement of position.Above-mentioned flexible piece can be rope, cable wire, hawser etc., and preferably, this flexible piece is a cable wire.For illustrated clear, Fig. 2-Fig. 5 only with dashed lines represents flexible piece.

As Fig. 6, Fig. 7 and shown in Figure 8, wherein Fig. 6 is the stereogram of transmission system (removal belt), and Fig. 7 is the front view of wobble-member simultaneous movement system, and Fig. 8 is an explosive view of removing the synchronous backward moving cell of resistance unit among Fig. 7.Wobble-member simultaneous movement system 60 comprises to be located at the synchronous backward moving cell 60a between the first installation shaft 1A and the second installation shaft 1B and to be located at resistance unit 60b on the 3rd installation shaft accordingly, pass through belt 61 transmissions between synchronous backward moving cell 60a and the resistance unit 60b, in Fig. 6 and Fig. 8, belt is omitted, in Fig. 7, belt 61 is represented by dotted lines.More auspicious it, synchronous backward moving cell 60a comprises the swing disc of installing in the second installation shaft 1B 62, axial right radial in this swing disc 62 is outward extended with the head rod 63a and the second connecting rod 63b, this head rod 63a and the second connecting rod 63b all are fixed on its right end face of swing disc 62 and are certain angle, as shown in Figure 6, its cylindrical periphery that protrudes in swing disc 62 has respectively formed link.Preferably, this head rod and second connecting rod can be fixed in earlier on the axle sleeve at an angle, are sheathed on the right side that the second installation shaft 1B went up and be positioned at swing disc again, and head rod sets firmly by screw and swing disc thereafter.Preferably, angle is 120 degree between above-mentioned connecting rod.Nature, those skilled in the art also can expect other alternative at an easy rate, as directly two connecting rods being welded at an angle the right flank of swing disc, in this way even can dispense above-mentioned axle sleeve.Synchronous backward moving cell 60a also comprises left connection rod set and right connecting rod group, wherein, left side connection rod set is articulated by two connecting

rod

64a and 65a and constitutes and have first end and second end, first connecting portion of first end and left wobble-member is affixed, second end is articulated in the link of head rod 63a, the right connecting rod group is by two connecting

rod

64b, 65b articulates formation and has first end and second end, first connecting portion of first end and right wobble-member is affixed, second end is fixed in the link of head rod 63b, cooperate and consult Fig. 8, because the complexity of the utility model structure causes its left side, first connecting portion of right wobble-member makes progress respectively symmetrically apart from head rod and the formed vertical plane of second connecting rod outside certain distance at Y-axis, and as mentioned above, the end of connecting rod 64a and connecting rod 64b is fixed in a left side respectively, right wobble-member, second end is articulated in connecting rod 65a respectively, 65b moves so this connecting rod 64a and connecting rod 64b spatially must extend and connecting

rod

65a and 65b are remained on the plane perpendicular to installation shaft 1B to the formed vertical plane of head rod 63a and the second connecting rod 63b.The utility model is to dispose this connecting

rod

64a and 64b like this: a bar 64a-1,64b-1 respectively from first link of left and right wobble-member along circumferentially stretching out and forming a stiff end; The end of one bar 64a-2,64b-2 is individually fixed in the said fixing end, is parallel to installation shaft 1A and extends and form second stiff end to head rod and the formed vertical plane of second connecting rod; The end of one bar 64a-3,64b-3 is individually fixed in aforementioned second stiff end, and the other end can be articulated in respectively on connecting rod 65a, the 65b.One resistance unit 60b comprises that one can be around the magnetic resistance wheel 66 of installation shaft 1C rotation, and this magnetic resistance wheel 66 forms a drive 67 to axial right side.Driving belt 61 is tensioned between swing disc 62 and the drive 67.More excellent, the circumferential annular region of aforesaid swing disc 62 has an opening, one tensioning piece 68 is locked at the opening part of swing disc 62 by clamping screw 69a, is the certain clockwise angle of starting point rotation with clamping screw 69a, and one regulates nut 69b is fixed on this swing disc 62.When being rotated counterclockwise this tensioning piece 68 by regulating nut, then driving belt 61 is tensioned; After driving belt 61 is tensioned to a certain degree, can lock this tensioning piece 68,, can make clamping screw 69a lock tightlyer when the counter-force of driving belt 61 is applied on this latch segment 68 by clamping screw 69a.More excellent, the external peripheral surface of this tensioning piece 68 also has teeth, aforesaid belt 61 can for the time return belt, this time return belt and aforesaid teeth to be meshing with each other can to make transmission more reliable.

Consult Fig. 7, when the user waves handle 54a forward or waves handle 54b backward, because left handle 54a, right handle 54b respectively with staggered connecting

rod

64a, 64b is fixed on left wobble-member 43a, first connecting portion of right wobble-member 43b, and can freely rotate relative to the first installation shaft 1A, the wrong connecting rod 64a of old friend can clockwise rotate thereupon or thereby staggered connecting rod 64b can rotate counterclockwise drivening rod 65a respectively thereupon, the 65b swing, such swing clockwise rotates swing disc 62 synchronously, and because the existence of driving member belt 61, drive 67 drives magnetic resistance wheel 66 and also turns clockwise.

Shown in Fig. 6, Fig. 9-10, crank disc 37 is fixedly arranged on the first installation shaft 1A, and

crank arm

35a, 35b are fixedly arranged on the two ends of this installation shaft with being 180 degree angles, and aforesaid relatively crank disc is symmetrical arranged.Steering resistance system 70 comprises a belt pulley 71 and a generator flywheel 72, this belt pulley 71 is located on the second installation shaft 1B, its along Y-axis to forming a big belt pulley 73 and small belt pulley 74, aforesaid generator flywheel 72 is located on the 3rd installation shaft 1C, and this flywheel 72 upwards also forms a small belt pulley 75 at Y-axis.Can pass through casting between aforesaid big belt pulley 73 and the small belt pulley 74 and between generator flywheel 72 and the small belt pulley 75, can also can realize by the key joint between the big steamboat by the prior aries such as mode that steamboat are fixed in bull wheel.Consult Figure 10 and Figure 11 as can be known, on plane perpendicular to installation shaft, the corresponding setting of the small belt pulley 74 of belt pulley 71 with crank disc, a belt 76 is located at therebetween; The small belt pulley 75 of generator flywheel 72 and the 73 corresponding settings of the big belt pulley of belt pulley 71, a belt 77 is located at therebetween.Preferably, a pressure wheel 78 is located on the auxiliary installation shaft 1D, thereby above-mentioned belt 76 is compressed by this pressure wheel 78 in its outside and makes belt 76 unlikely loose excessively.The concrete structure of aforesaid generator flywheel 72 should belong to the prior art category, so do not repeat them here.

Because described crank arm and crank disc and the first installation shaft 1A connect firmly, so when flexible piece drives the crank arm rotation, crank disc rotates thereupon thereby crank arm drives first installation shaft rotation drive, because the existence of belt 76, belt 77, belt pulley 71 and generator flywheel 72 also can rotate thereupon.In addition since the footpath of the small belt pulley 75 of the big belt pulley 73 relative generator flywheels 72 of the small belt pulley 74 of the relative belt pulley 71 of crank disc and belt pulley 71 compare all greater than 1, so this steering resistance system has the effect that speed is amplified, and promptly relatively helps the generating of generator.

By above-mentioned introduction simultaneous movement system of the present invention as can be known and steering resistance system is self-movement separately, be the former to be handle 54a and 54b or wobble-

member

43a and 43b cause synchronous backward moving cell 60a around the swing of installation shaft 1A drives that resistance unit 60b together does clockwise or motion counterclockwise, the latter rotates in a circumferential direction and drives also rotation thereupon of its affixed installation shaft 1A for

flexible piece

55a and 55b cause the crank arm 35a of crank system 34 and 35b, rotates 70 work of steering resistance systems synchronously thereby installation shaft 1A drives crank disc 37.When user's both feet stand on foot-operated 46a and this equipment of the last use of 46b, if only the power that pedal 46a and 46b are applied above-below direction then crank system 34 can drive 70 motions of steering resistance systems and wobble-

member

43a and 43b do not participate in basically moving and just participated in part motion seldom in other words, correspondingly, simultaneous movement system 60 is also motionless basically; When user's both feet stand on foot-operated 46a and 46b goes up and left hand and right hand when also operating

handle

54a and 54b respectively, because the motion of existing above-below direction also has the motion of fore-and-aft direction simultaneously at this moment, the athletic meeting of above-below direction makes crank system 34 drive 70 work of steering resistance system, the athletic meeting of fore-and-aft direction makes wobble-

member

43a and 43b drive simultaneous movement system 60 work, so steering resistance system 70 and simultaneous movement system 60 all participate in into.In addition; by design of the present utility model; thereby the user can constantly change the stride that the power of the horizontal direction that is applied to this equipment obtains variation; or rather; the user can change the power that is applied to handle 54a and 54b also can change the horizontal force that both feet impose on foot-operated 46a and 46b; and because this stride is variation owing to horizontal force changes; so the user can ad infinitum change this stride; really; ideally, the user can select to be fit to the most comfortable stride of oneself usually.

Claims

1. the sports equipment of a variable stride, it comprises:

One framework, this framework have the pedestal that extends front and back and from the upwardly extending bracing frame of pedestal;

One crank system;

2. sports equipment as claimed in claim 1, it is characterized in that, be respectively equipped with at least one pulley on described left foot support member and the right crus of diaphragm support member, support frame as described above has a suspension part, one end of described flexible piece is connected on the crank system, and the other end is connected on the suspension part of bracing frame by pulley.

3. sports equipment as claimed in claim 2 is characterized in that, the position of the suspension part of support frame as described above can manually or automatically be regulated.

4. sports equipment as claimed in claim 1 is characterized in that first link, second link and the joint portion of the described second left connection rod set and the second right connecting rod group has pivot respectively, and respectively this pivot is parallel to each other, and the connection rod set rotational plane is vertical with horizontal plane.

5. sports equipment as claimed in claim 1, it is characterized in that described bracing frame has distinguishes the first parallel installation shaft, second installation shaft and the 3rd installation shaft from top to bottom, and a wobble-member simultaneous movement system and single-revolution resistance system are located on aforesaid three installation shaft independently of each other.

6. sports equipment as claimed in claim 5, it is characterized in that, first connecting portion of described left and right wobble-member is located on first installation shaft, described wobble-member simultaneous movement system comprises to be located at the synchronous backward moving cell between first installation shaft and second installation shaft and to be located at resistance unit on the 3rd installation shaft accordingly, passes through belt transmission between synchronous backward moving cell and the resistance unit.

7. sports equipment as claimed in claim 6, it is characterized in that, described synchronous backward moving cell comprises left and right connection rod set, described left and right connection rod set is articulated by two connecting rods respectively and constitutes and have left and right first end and left and right second end, left and right first end is affixed with first connecting portion of left and right wobble-member respectively, left and right second end is fixed in the diverse location place of the excircle on the swing disc respectively, and described resistance unit comprises a flywheel at least.

8. sports equipment as claimed in claim 7, it is characterized in that, when being, described belt returns belt, the excircle of described swing disc has an opening, be provided with a tensioning piece at opening part, this tensioning piece is locked on the swing disc by a clamping screw, the external peripheral surface of this tensioning piece have with the time return belt to be meshed teeth, belt tension then when the tensioning piece rotates counterclockwise is when the tensioning piece then is locked when clockwise rotating by the belt compressing.

9. sports equipment as claimed in claim 5, it is characterized in that, described crank system comprises left and right two crank arms at least, it is located on the crank disc symmetrically, described steering resistance system comprises that a drive is located on second installation shaft, and a flywheel is located on the 3rd installation shaft, and aforesaid crank disc, drive and flywheel are provided with accordingly, when crank disc rotates, drive drive and flywheel is rotated.

10. sports equipment as claimed in claim 9 is characterized in that, described steering resistance system also comprises a generator unit, and described generator unit is corresponding to the circumference setting of flywheel.