CN208838970U

CN208838970U - Leg sports equipment

Info

Publication number: CN208838970U
Application number: CN201821095018.4U
Authority: CN
Inventors: 廖宏茂; 陈福安
Original assignee: QIAOSHAN FITNESS EQUIPMENT (SHANGHAI) CO Ltd
Current assignee: QIAOSHAN FITNESS EQUIPMENT (SHANGHAI) CO Ltd
Priority date: 2018-07-11
Filing date: 2018-07-11
Publication date: 2019-05-10
Anticipated expiration: 2028-07-11

Abstract

The utility model relates to a kind of leg sports equipments of adjustable pedal track, it has one to stablize the frame body of setting on the ground, the frame body is equipped with a support group and a rotating mechanism, the support group selective positioning, the rotating mechanism can have a pivot center of position fixation between multiple positions；The top of one left swing arm and a right swing arm is articulated in the support group, and bottom end is equipped with pedal, can swing before and after an arc track；One left connecting rod and the first end of a right connecting rod are connected to the rotating mechanism, around the pivot center and can keep opposite along a circular trace, the second end of two connecting rod is connected to two swing arm, and swinging for two swing arm is made to act mutual drive；When the position change of the support group, the relative angle at forward and backward two end of the arc track can change.

Description

Leg sports equipment

Technical field

The utility model is related with sports equipment, particularly relates to a kind of sports equipment for carrying out leg exercise.

Background technique

Fig. 1 and Fig. 2 shows a kind of published leg sports equipment 9, has an a left swing arm 95L and right swing arm 95R, Each swing arm swings before and after can corresponding to the axial pivot A in left and right according to the one of its top, moreover, left swing arm 95L and right swing arm 95R Bottom end be respectively equipped with an a left-hand tread plate 96L and right-hand tread plate 96R, each pedal can with the swinging movement of corresponding swing arm and along one with Pivot A is that the arc track T of arc core is displaced；Based on preset block position, each pedal is at most movable forward (while up) To the front of aforementioned arc core, backward (while down) underface of most movable to aforementioned arc cores.Two swing arm 95L, 95R it Between be equipped with an interlinked mechanism (not shown), the movement for making the movement that a wherein swing arm swings forward swing backward with another swing arm Mutually drive；When not by external force, left and right two swing arms 95L, 95R can stabilize in equilbrium position (namely side view as shown in Figure 1 The position of lower overlapping), left and right two pedals 96L, 96R at this time is located at 45 degree of the front lower place position of aforementioned arc core.

If Fig. 2 illustrates, when using leg sports equipment 9, user's U both hands help the handle group 92 for being held in 91 front end of frame body On, both feet trampled on left and right two pedals 96L, 96R respectively, reversely with each otherly alternately down (while backward) jam on and Up (while forward) lift the movement of leg.In the process, user can voluntarily control the movement travel of foot by the movement of both legs, Such as make pedal 96L, 96R probably just it is shown in Fig. 2 it is higher moved back and forth between lower two position, or decline pedal To it is lower, rise to it is higher after just turn back.However, because left and right two pedals 96L, 96R of leg sports equipment 9 are with position Reversed and symmetrical displacement centered on changeless aforementioned equilbrium position is set, even if movement travel there can be the length of certain degree to become Change, but the relative angle of higher pedal and lower pedal can't change, in addition pedal always aforementioned arc core just before It is displaced between side and underface along arc track T, so the movement posture of user and leg action there is no too greatly Variation.

Summary of the invention

In view of the above-mentioned problems, the main purpose of the utility model is to provide a kind of leg sports equipment, it is available Person carries out the leg exercise that both feet are alternately retreated along arc track, moreover, aforementioned arc track can adjust variation, allows use Person can carry out aforementioned leg exercise with different postures and movement, thus provide movement kenel and movement effects more abundant.

In order to achieve the above objectives, according to a viewpoint of the utility model, a kind of leg fortune provided by the utility model Dynamic equipment, it is characterised in that include: a frame body；One support group, is located on the frame body in a manner of it can adjust position, can be Selective positioning between multiple positions；Left and right two swing arm respectively has an axle center part and one swings portion, and with the axle center part pivot It connects in the support group, enables to swing before and after the portion that swings；Left and right two pedal is respectively provided at the pendulum of left and right two swing arm Swing portion, each pedal can be with the swinging movement of the swing arm and along one using the axle center part as the arc track position of arc core It moves；One rotating mechanism is located on the frame body, has a pivot center；Left and right two connecting rod respectively has a first end and one the Two ends, the first end are connected to the rotating mechanism, can surround the rotation along a circular trace relative to the frame body Axis, and the first end of left and right two connecting rod keeps scheduled relative angle by the center of circle of the pivot center；It is described The second end of left and right two connecting rod is connected to the position for leaving the axle center part of left and right two swing arm, make it is described it is left, The movement that swings of right two swing arms mutually drives via the rotating mechanism；Wherein, in the first end of the connecting rod along the circle While shape track rotates one week, the pedal can be past between a track front end and a track rear end along the arc track Multiple movement is primary；When position change of the support group relative to the frame body, the axle center part of left and right two swing arm is opposite It can change in the position of the pivot center, and the relative angle of the track front end of the arc track and track rear end Also it can change.

In above-mentioned the technical solution of the utility model, when the support group is positioned at a first position relative to the frame body When, the track front end of the arc track is higher than track rear end, and the track front end at this time is relative to the track rear end Elevation angle size is defined as the first track angle angle value；When the support group is positioned at a second position relative to the frame body, institute The track front end for stating arc track is higher than track rear end, and the track front end at this time is big relative to the elevation angle of the track rear end It is small to be defined as the second track angle angle value；The second track angle angle value is less than the first track angle angle value.

Height where the track front end when the support group is positioned at the second position, lower than when the support Group is positioned at the track front end place height when first position；When the support group is located at the second position Track rear end position, compared with the track rear end position when the support group is located at the first position Positioned at more rear.

In order to achieve the above objectives, according to another viewpoint of the utility model, a kind of provided leg sports equipment is special Sign is: a frame body；One support group, is located on the frame body in a manner of it can adjust position, can multiple positions it Between selective positioning；Left and right two swing arm respectively has an axle center part and one swings portion, and is articulated in the branch with the axle center part Seat group enables to swing before and after the portion that swings；Left and right two pedal is respectively provided at the portion that swings of left and right two swing arm, each institute Stating pedal can act and with swinging for the swing arm along one using the axle center part as the displacement of the arc track of arc core；One rotation Mechanism is located on the frame body, has a pivot center；Left and right two connecting rod respectively has a first end and a second end, described First end is connected to the rotating mechanism, can be displaced relative to the frame body by the center of circle of the pivot center, and the left side, The first end of right two connecting rods keeps scheduled relative angle by the center of circle of the pivot center；The second of left and right two connecting rod End is connected to the position for leaving the axle center part of left and right two swing arm, makes the movement that swings of left and right two swing arm It is mutually driven via the rotating mechanism；Wherein, left and right two pedal under side view can be in one on the arc track Between position be overlapped；It is another described to step on when wherein a pedal is displaced forward by the middle position along the arc track Plate is displaced by the middle position along the arc track backward；When position change of the support group relative to the frame body When, the axle center part of left and right two swing arm can change relative to the position of the pivot center, and the middle position It can also change with the relative angle of the axle center part.

In above-mentioned the technical solution of the utility model, when the support group is positioned at a first position relative to the frame body When, the middle position is located at before the underface of the axle center part, and the middle position at this time is relative to the axle center part Angle of depression size be defined as the first median angle angle value；When the support group is positioned at a second position relative to the frame body, The middle position is located at before the underface of the axle center part, the middle position bowing relative to the axle center part at this time Angle size is defined as the second median angle angle value；The second median angle angle value is greater than the first median angle angle value.

In order to achieve the above objectives, according to another viewpoint of the utility model, a kind of provided leg sports equipment is special Sign is: a frame body；It is inclined to correspond to the first axial pivot of left and right according to one on the frame body for one support group Turn, and then the selective positioning between multiple positions；Left and right two swing arm respectively has an axle center part and one swings portion, and with described Axle center part is articulated in the support group, enables to swing before and after the portion that swings；Left and right two pedal is respectively provided at described left and right two The portion that swings of swing arm, each pedal can be with the swinging movement of the swing arm and along one using the axle center part as the circle of arc core Arc trajectory displacement；One interlinked mechanism has a base portion being located in the support group, can be as the support group is relative to described Frame body is deflected according to first pivot；Left and right two swing arm is connected by power via the interlinked mechanism, is made described left and right Swinging for two swing arms acts mutual drive；Wherein, left and right two pedal under side view can be in one on the arc track Between position be overlapped；It is another described to step on when wherein a pedal is displaced forward by the middle position along the arc track Plate is displaced by the middle position along the arc track backward；When position change of the support group relative to the frame body When, the middle position and the relative angle of the axle center part can change, but the middle position and the base portion away from From remaining unchanged.

In above-mentioned the technical solution of the utility model, the interlinked mechanism includes a crank axle, two crank arms and two connecting rods； The crank axle is hubbed in the support group according to a pivot center, becomes the base portion；Two crank arm is fixed in institute It states on crank axle；Each connecting rod has a first end and a second end, and the first end of two connecting rod is connected to described Two crank arms can be displaced relative to the support group by the center of circle of the pivot center, and the first of left and right two connecting rod End keeps scheduled relative angle by the center of circle of the pivot center；The second end of left and right two connecting rod is connected to institute State the position for leaving the axle center part of left and right two swing arm.

The first end of each connecting rod can be along a circular trace around the pivot center；In the first end of the connecting rod While rotation one week along the circular trace, the pedal can be along the arc track in a track front end and a track It is moved back and forth between rear end primary；When position change of the support group relative to the frame body, the rail of the arc track Mark front end and the relative angle of track rear end can change.

In above-described the technical solution of the utility model, the leg sports equipment also includes a resistance device, For generating the resistance for hindering left and right two swing arm to swing；The resistance device is connect with the support group, can be with described Support group is displaced relative to the frame body.

A handle group is additionally provided on the frame body, the handle group is located in front of the axle center part of left and right two swing arm；When When position change of the support group relative to the frame body, the axle center part of left and right two swing arm and the handle group away from Defection changes.

By adopting the above technical scheme, the utility model can allow user that can carry out aforementioned leg with different postures and movement Movement, thus provides movement kenel and movement effects more abundant.

Detailed description of the invention

Fig. 1 is a kind of perspective view of known leg sports equipment；

Fig. 2 is the left view (but pedal position different) of the leg sports equipment of Fig. 1, and illustrate a user use into Row leg exercise；

Fig. 3 is the left view of the leg sports equipment of the first preferred embodiment of the utility model, and support group therein is located at First position；

Fig. 4 A is similar to Fig. 3, but left and right two pedal is located at the position being overlapped under side view；

Fig. 5 A is similar to Fig. 3, but support group therein is located at the second position, and left and right two pedal is located under side view and is overlapped Position；

Fig. 6 A is similar to Fig. 3, but support group therein is located at the third place, and left and right two pedal is located under side view and is overlapped Position；

Fig. 4 B, Fig. 5 B and Fig. 6 B correspond respectively to Fig. 4 A, Fig. 5 A and Fig. 6 A, show that support group is located at first, second respectively And pedal when the third place swings range and its geometrical principle；

Fig. 7 is the left view of the leg sports equipment of the second preferred embodiment of the utility model, and support group therein is located at First position；

Fig. 8 is similar to Fig. 7, but left and right two pedal is located at the position being overlapped under side view；

Fig. 9 is similar to Fig. 7, but support group therein is located at the second position, and left and right two pedal is located at and is overlapped under side view Position；

Figure 10 is similar to Fig. 7, but support group therein is located at the third place, and left and right two pedal is located under side view and is overlapped Position.

Specific embodiment

It now lifts following embodiment and is described in detail in conjunction with structure and effect of the attached drawing to the utility model.

Exist referring to Fig. 3, the leg sports equipment 100 of the first preferred embodiment of the utility model has one can stablize setting Frame body 110 on ground, it includes a bottom 112 fixed relative to one another, a front 114 and left and right two side 116 (note: Left and right two side 116 is overlapped under side view, only it can be seen that left side 116 in figure).User can be past via the rear end of frame body 110 Advancing into or exiting space when being moved backward (is generally exactly 112 top of bottom and left and right two side of frame body 110 Space between 116).114 top of front of frame body 110 is equipped with a handle group 120, helps and holds for the user in movement.

Frame body 110 is equipped with the support group 130 of an adjustable position, and in the present embodiment, support group 130 is opposite by left and right Two deflection seats 132 constitute (note: left and right two deflection seat 132 is overlapped under side view, only it can be seen that left avertence transposase 11 32 in figure), Each deflection seat 132 is in longitudinal, and the bottom end of left and right two deflection seat 132 corresponds to the first axial pivot of left and right according to one respectively A1 is articulated in left and right two side 116 of frame body 110, makes support group 130 (i.e. left and right two deflection seat 132) relative to frame body 110 It can be deflected according to the first pivot A1 and change position, the top for being embodied in deflection seat 132 moves forward and backward.

A driving device 140 (note: with a square schematic representation in figure), energy are equipped between support group 130 and frame body 110 It drives support group 130 to change its position relative to frame body 110, and support group 130 is made to be positioned at plural predetermined position wherein One position, in the present embodiment, driving device 140 can drive left and right two deflection seat 132 according to the first pivot A1 synchronous deflection, And deflection seat 132 is set to be positioned at the first position as shown in Fig. 3 and Fig. 4 A, the second position as shown in Figure 5A, or such as Fig. 6 A Shown in the third place.By aforementioned the first to the second again to the third place, the top for deflecting seat 132 is gradually displaced forward.

The possible specific structure of driving device 140 can by suitably selecting use in known techniques, such as: the U.S. the 7th, 682,290 The sports equipment (100) of number patent Fig. 1 to Fig. 4 has left and right two deflection seat (142), and (note: number, which adds parantheses, indicates that reference should Label in case, similarly hereinafter), driving device (145) is located at the bottom center of frame body, includes a motor (146), a screw rod (147) and a screwed pipe (148), control motor (146) can be pulled along forward or reverse or connection two pushed to deflect seat backward (142) cross bar (143) for bottom end makes left and right two deflection seat (142) synchronous deflection, and motor (146) shuts down, and deflects seat (142) fixed；Alternatively, driving device includes to synchronize in another sports equipment (300) of same patent Figure 14 to Figure 16 Left and right two driving unit (345) of movement, each driving unit (345) include a motor (346), a screw rod (347) and a screwed pipe (348), deflection seat (342) bottom end of respective side can be pushed and pulled.Certainly, in addition to both the above pattern, it is various can drive member change The electrical control mechanism of varied angle may act as the driving device 140 in the present embodiment.

The leg sports equipment 100 of the present embodiment is equipped with the control interface (not shown) of an electronic type, and user can lead to Cross the position that aforementioned control interface control driving device 140 changes support group 130.

According to design requirement, the leg sports equipment of the utility model may replace without aforementioned driving device, prop up Seat group is designed to adjust position in a manual manner, for example, the composition of similar support group 130, each to deflect seat 132 and respective side One of them is equipped with operable bolt in portion 116, another is equipped with multiple jacks, and bolt can be detached jack to pull by user Seat 132 is deflected, until bolt is inserted into corresponding jack again with fixed deflection seat 132 by required position.

Suspend left and right two swing arms 150L, 150R in support group 130 (i.e. left and right two deflection seat 132) in midair, each swing arm 150L, 150R has a top and a bottom end, swings portion respectively as an axle center part and one, and aforementioned axle center part corresponds to left and right according to one The second axial pivot A2 is articulated in the top of corresponding deflection seat 132, enables to swing before and after the aforementioned portion that swings.In the utility model Other embodiments in (no figure), the movement that swings of swing arm containing left and right displacement amount, such as bottom end forward while can be inside Side direction displacement, backward while can toward lateral direction be displaced.

The bottom end of left swing arm 150L and right swing arm 150R are respectively equipped with a left-hand tread plate 160L for being used to support user's left foot And one be used to support user's right crus of diaphragm right-hand tread plate 160R, in the present embodiment, each pedal 160L, 160R are corresponded to according to one The axial third pivot A3 in left and right is articulated in the bottom end of corresponding swing arm 150L, 150R, can moderately deflect, enable suitable relative to swing arm Foot's angle when user being answered to move.Each pedal 160L, 160R can be with the swinging movement of swing arm 150L, 150R and along one (note: third pivot A3 is considered as in pedal in figure with the arc track T1 displacement that aforementioned axle center part (the second pivot A2) is arc core The heart and mark and draw arc track T1).

110 front 114 of frame body has a fixing seat 118 close to apical position, and fixing seat 118 is equipped with a rotating mechanism 170, it includes a crank axle 172 and left and right two crank arms 174L, 174R, crank axle 172 corresponds to left and right axial direction with axis Mode is hubbed in fixing seat 118, and left and right two crank arms 174L, 174R are respectively and fixedly connected to left and right two end of crank axle 172, and The outer end of two crank arm 174L, 174R is that the center of circle is opposite in 180 degree with the axis (hereinafter referred to as pivot center) of crank axle 172.

An one left connecting rod 180L and right connecting rod 180R be connected to rotating mechanism 170 and left and right two swing arms 150L, 150R it Between, specifically, the first end (this example is front end) of each connecting rod 180L, 180R are articulated in respective side respectively with one the 4th pivot A4 The outer end crank arm 174L, 174R on side enables to be displaced relative to frame body 110 by the center of circle of aforementioned pivot center；Each connecting rod 180L, The second end (this example is rear end) of 180R leaves top with swing arm 150L, 150R that one the 5th pivot A5 is articulated in respective side The position of (axle center part) suitable distance, swing arm 150L, 150R and crank arm 174L, 174R of same side can mutual bands as a result, It is dynamic, and the movement that swings of left and right two swing arms 150L, 150R mutually drive via rotating mechanism 170, substantially, wherein a pendulum When arm swings forward, another swing arm swings backward.

In the present embodiment, crank arm 174L, 174R of rotating mechanism 170 can 360 degree be freely rotated, in other words, even The first end of bar 180L, 180R can be along a circular trace T2 around such rotation axis.In the first end of connecting rod 180L, 180R While rotation one week along circular trace T2, each swing arm 150L, 150R back and forth swing once, i.e. the edge each pedal 160L, 160R Arc track T1 moved back and forth between track front end E1 and track rear end E2 once.As shown in Figure 4 A, under side view, left, Two pedal 150L, 150R of the right side can be overlapped in the middle position on arc track T1, when a wherein pedal is by aforementioned middle position When being displaced forward along arc track T1, another pedal is displaced by aforementioned middle position along arc track T1 backward.By aforementioned centre Position to track front end E1 with to may be unequal at a distance from the E2 of track rear end.When a wherein pedal is located at its of arc track T1 When middle one end, another pedal is nearly seated at the other end of arc track T1.

In the other embodiments of the utility model (no figure), the rotation of crank arm may be limited by setting stop section Range (or the range that swings of swing arm) can be displaced although making the first end of connecting rod with the aforementioned pivot center center of circle, can not be complete It is whole to round；Nonetheless, each pedal is remained to along an arc track shift reciprocately, moreover, left and right two pedal can be aforementioned Middle position overlapping on arc track.In addition, even if the first end of left and right two connecting rod is not circle with aforementioned pivot center The heart is opposite in 180 degree, it is also possible to be configured to when wherein a pedal is displaced forward by aforementioned middle position, another pedal is by aforementioned Middle position is displaced backward.

Fig. 4 B is the positional diagram of 100 main member of leg sports equipment under Fig. 4 A condition, in figure 4b, circle The center of circle (i.e. such rotation axis) of shape track T2 is labeled as O, and circular arc C 1 and C2 are referred to as interior limit circular arc and outer horicycle Arc, using pivot center O as the center of circle, the radius of interior limit circular arc C1 is that " length of connecting rod subtracts circular rail by two circular arc C 1, the C2 The radius of mark T2 ", the radius of outer limit circular arc C2 are " radiuses that the length of connecting rod adds circular trace T2 ", wherein " connecting rod Length " is defined as the 4th pivot A4 of connecting rod 180L, 180R first end at a distance from the 5th pivot A5 of second end；Based on geometry It learns it is found that when swinging before and after swing arm 150L, 150R, including the position corresponding to the 5th pivot A5 can only be along an arc track T3 It is moved between limit circular arc C1 and outer limit circular arc C2, is specifically exactly, arc track T3 intersects with interior limit circular arc C1's Point A5 ' is that the 5th pivot A5 can be near the position (note: as shown in the imaginary line 180 ' in figure, when even of pivot center O The first end and second end of bar 180 ' are located at the position of A4 ' and A5 ', and A4 ', O and A5 ' are arranged in a straight line), relatively, circle The crosspoint A5 " of arc track T3 and outer limit circular arc C2, be the 5th pivot A5 can farthest away from pivot center O position (note: Shown in imaginary line 180 " in such as figure, when the first end and second end of connecting rod 180 " are located at the position of A4 " and A5 ", O, A4 " And A5 " is arranged in a straight line)；Shown in imaginary line 150 ' in such as figure, when Wushu axle position is when internal limit position A5 ', swing arm The corresponding front end E1 for being located at arc track T1 in the portions of swinging of 150 ' bottom ends, relatively, as shown in the imaginary line 150 " in figure, when the Wushu axle position is when the position of A5 ", the corresponding rear end E2 for being located at arc track T1 in the portion of swinging of 150 " bottom end of swing arm.

When support group 130 is positioned at the first position as shown in Fig. 3, Fig. 4 A, the arc track T1 of pedal 160L, 160R Front end E1 and rear end E2 be located substantially at respectively swing arm 150L, 150R axle center part (the second pivot A2) front and just under Side, track front end E1 relative to track rear end E2 the elevation angle (i.e. shown in Fig. 4 B, the connecting line L and horizontal plane H of the two E1, E2 Between angle theta 1) be about 45 degree.Wherein, before the aforementioned middle position being overlapped under left and right two pedals 160L, 160R side view is located at The front lower place of axle center part is stated, opposite the angle of depression (i.e. θ 2 in Fig. 4 B) is about 48 degree.

Fig. 5 B and Fig. 6 B are respectively that the positional relationship of 100 main member of leg sports equipment under Fig. 5 A and Fig. 6 A condition is shown Be intended to, C1, C2, T3, A5 therein ', A5 ", L and θ 2 it is as defined above.Because working as position of the support group 130 relative to frame body 110 When setting change, the axle center part of swing arm 150L, 150R can change relative to the position of such rotation axis, so aforementioned A5 ', The relative position of A5 ", E1 and E2 can also change, specifically, when support group 130 is changed by aforementioned first position to such as figure When the second position shown in 5A, Fig. 5 B, track front end E1 relative reduction, track rear end E2 are opposite to be moved back, and track front end E1 is opposite It is about 21 degree in the elevation angle (hereinafter referred to as track angle angle value) of track rear end E2, aforementioned middle position is bowed relative to aforementioned axle center part Angle (hereinafter referred to as median angle angle value) is about 64 degree；When support group 130 is located at the third place as shown in Fig. 6 A, Fig. 6 B, circular arc The front end E1 of track T1 is located at lower part, rear end E2 is located at more rear, and aforementioned track angle angle value is about 5 degree, aforementioned median angle degree About 75 degree of value.

Based on the structure and principle of above-mentioned leg sports equipment 100, user can by adjusting support group 130 position with The motion profile and relativeness of left and right two pedals 160L, 160R are changed, enables to carry out leg fortune with different postures and movement It is dynamic.For example, when support group 130 is positioned at first position as shown in Figure 4 A, the arc track T1 of pedal 160L, 160R Forward and backward two ends E1, E2 be located at the front and underface of arc core (i.e. the second pivot A2), and left and right two pedal The aforementioned middle position that 160L, 160R form overlapping is located substantially at 45 degree of the front lower place position of aforementioned arc core, in this way, user's energy With the posture and movement similar to Figure 2 using known leg sports equipment 9, the leg sports equipment under Fig. 4 A condition is used 100, that is, user's both hands are helped in the handle group 120 for being held in 110 front end of frame body, and both feet are trampled respectively in left and right two pedal On 160L, 160R, reversely with each otherly alternately down (while backward) jam on and up (while forward) lift leg movement, and And the movement travel of foot can be voluntarily controlled by the movement of both legs in the process；When support group 130 be positioned at it is as shown in Figure 6A When the third place, although the radian of the arc track T1 of pedal 160L, 160R are also about 90 degree, track front end E1 reduces, Track rear end E2 is moved back, and front end E1 is only slightly higher than rear end E2, and is overlapped under left and right two pedals 160L, 160R side view aforementioned Middle position is closer to immediately below the arc core of arc track T1, in this way, thus user can carry out both feet in lower along recessed The leg exercise that the track of arc is alternately retreated, and when moving forward lean gradient it is larger, leg is kicked at random stretching, extension backward Distance is farther out；When support group 130 is positioned at the second position as shown in Figure 5A, thus user carries out the posture of leg exercise And movement can be between above two state.Certainly, the utility model can make support group can be located at more multiposition, and/or Position gap is smaller, selects, adjusts according to demands of individuals for user.

Under the structure of above-mentioned leg sports equipment 100, user is swing arm 150L, the connecting rod 180L and the right side between left side Carry out aforementioned leg exercise between swing arm 150R, the connecting rod 180R of side, and forward and backward moving, be by frame body 110 rear end into Space out.

Fig. 7 be the second preferred embodiment of the utility model leg sports equipment 200, equally have a frame body 210, with A support group 230 that the mode of adjustable position is located on frame body 210, left and right two swing arm being suspended in support group 230 250L, 250R, the left and right two pedals 260L, 260R for being respectively provided at the left and right bottom end two swing arms 250L, 250R, it is located at frame body 210 On a rotating mechanism 270, and be connected between rotating mechanism 270 and left and right two swing arms 250L, 250R it is left and right two connect Bar 280L, 280R.Frame body 210 equally has a bottom 212, a front 214 and the (note: left and right two side of left and right two side 216 216 are overlapped under side view, only it can be seen that left side 216 in figure).214 top of front is again provided with a handle group 220.

It is with the biggish difference of previous embodiment, two translating bases opposite by left and right of the support group 230 in the present embodiment 232 constitute (note: left and right two translating base 232 is overlapped under side view, only it can be seen that left seat 232 in figure), each translating base 232, in bulk, can move forward and backward on 210 side 216 of frame body of respective side along a guide groove 217.Support group 230 (i.e. left, Right two translating bases 232) can selective positioning in first position as shown in Figures 7 and 8, the second position as shown in Figure 9, or such as The third place shown in Fig. 10.According to design requirement, support group 230 may with driving device (not shown) drive displacement, Position may be adjusted in a manual manner.

The top (axle center part) of each swing arm 250L, 250R are articulated in corresponding translating base 232 according to a pivot A6, make swing arm Bottom end (swing portion) the energy front and back of 250L, 250R swing, and each pedal 260L, 260R can be along one using pivot A6 as the circle of arc core Arc track T4 displacement.Rotating mechanism 270 in the present embodiment be located in the fixing seat 218 of 210 bottom of frame body, 212 front end, but Structure is the same, includes a crank axle 272 and left and right two crank arms 274L, 274R.The first end of each connecting rod 280L, 280R are pivotally connected It, can be along a circular trace T5 around crank axle 272 in the outer end of corresponding crank arm 274L, 274R；The of each connecting rod 280L, 280R Two ends are articulated in below the top of corresponding swing arm 250L, 250R according to a pivot A7, can be displaced along an arc track T6.

As shown in Fig. 8 to Figure 10, when position change of the support group 230 relative to frame body 210, because swing arm 250L, The axle center part (i.e. the arc core of arc track T4, T6) of 250R can be with relative to the position of crank axle (i.e. the center of circle of circular trace T5) Change, so the relative position of the front end E3 and rear end E4 of the arc track T4 of pedal 260L, 260R and left and right two stepping on The position that plate 260L, 260R are overlapped under side view can also change.Geometrical principle therein can refer to above for Fig. 4 B, The explanation of Fig. 5 B and Fig. 6 B, details are not described herein again (note: C3, C4, A7 in Fig. 8 to Figure 10 ' and A7 ", meaning be same as figure respectively C1, C2, A5 in 4B ' and A5 ").

According to leg sports equipment (no figure) provided by another viewpoint of the utility model, support group therein can be in frame body Upper foundation one corresponds to axial the first pivot deflection in left and right, and then the selective positioning between multiple positions (angle)；Left and right two Its axle center part is articulated in aforementioned support group by swing arm, make its portion of swinging can front and back swing；Aforementioned two swing arm interlocks machine via one Structure is connected by power, and swinging for aforementioned two swing arm is made to act mutual drive；Aforementioned interlinked mechanism is for example comprising a crank axle, left and right Two crank arms and left and right two connecting rod, aforementioned crank axle are hubbed on aforementioned support group according to a pivot center, become in support group One base portion, aforementioned base portion can be deflected according to aforementioned first pivot with support group relative to frame body；Aforementioned two crank arm is fixed in On crank axle；The first end of aforementioned two connecting rod is connected to aforementioned two crank arm, can be relative to support group with aforementioned rotation axis Line is center of circle displacement；The second end of aforementioned two connecting rod is connected to the position in the abaxial portion of aforementioned two swing arm；Left and right two Pedal is respectively provided at the portion that swings of left and right two swing arm, can be displaced along one by the arc track of arc core of aforementioned axle center part；Its In, left and right two pedal under side view can be overlapped in the middle position on aforementioned arc track, when a wherein pedal is by aforementioned Between position when being displaced forward along arc track, another pedal is displaced by aforementioned middle position along arc track backward；When aforementioned branch When seat group changes relative to the position (angle) of frame body, aforementioned middle position and the relative angle of aforementioned axle center part can and then change Become, but aforementioned middle position remains unchanged at a distance from aforementioned base portion.

The leg sports equipment of the utility model may include a resistance device (not shown), to generate obstruction swing arm The resistance to swing, aforementioned resistance device are connect with aforementioned support group, can be as support group is relative to frame body displacement.

Claims

1. a kind of leg sports equipment, it is characterised in that include:

One frame body；

One support group, is located on the frame body in a manner of it can adjust position, can between multiple positions selective positioning；

Left and right two swing arm respectively has an axle center part and one swings portion, and is articulated in the support group with the axle center part, makes The portion energy front and back that swings swings；

Left and right two pedal, is respectively provided at the portion that swings of left and right two swing arm, and each pedal can be with the pendulum of the swing arm It swings movement and is displaced along one by the arc track of arc core of the axle center part；

One rotating mechanism is located on the frame body, has a pivot center；

Left and right two connecting rod respectively has a first end and a second end, and the first end is connected to the rotating mechanism, can be opposite In the frame body along a circular trace around the pivot center, and the first end of left and right two connecting rod is with described turn Shaft line is that the center of circle keeps scheduled relative angle；The second end of left and right two connecting rod is connected to left and right two pendulum The position for leaving the axle center part of arm drives the movement that swings of left and right two swing arm mutually via the rotating mechanism；

Wherein, while the first end of the connecting rod rotates one week along the circular trace, the pedal can be along described Arc track moves back and forth once between a track front end and a track rear end；When the support group is relative to the frame body When position change, the axle center part of left and right two swing arm can change relative to the position of the pivot center, and described The track front end of arc track and the relative angle of track rear end can also change.

2. leg sports equipment as described in claim 1, it is characterised in that: when the support group is positioned relative to the frame body When a first position, the track front end of the arc track is higher than track rear end, and the track front end at this time is relative to institute The elevation angle size for stating track rear end is defined as the first track angle angle value；When the support group is positioned at one relative to the frame body When two positions, the track front end of the arc track is higher than track rear end, and the track front end at this time is relative to the track The elevation angle size of rear end is defined as the second track angle angle value；The second track angle angle value is less than the first track angle angle value.

3. leg sports equipment as claimed in claim 2, it is characterised in that: when the support group is positioned at the second position When the track front end where height, lower than the track front end institute when the support group is positioned at the first position In height；Track rear end position when the support group is located at the second position, compared with when the support group Track rear end position when positioned at the first position is located at more rear.

4. leg sports equipment as described in claim 1, it is characterised in that: the leg sports equipment also includes a resistance Device, for generating the resistance for hindering left and right two swing arm to swing；The resistance device is connect with the support group, can be with The support group be displaced relative to the frame body.

5. leg sports equipment as described in claim 1, it is characterised in that: a handle group is additionally provided on the frame body, it is described Handle group is located in front of the axle center part of left and right two swing arm；When position change of the support group relative to the frame body, The axle center part of left and right two swing arm can change at a distance from the handle group.

6. a kind of leg sports equipment, it is characterised in that include:

One frame body；

One rotating mechanism is located on the frame body, has a pivot center；

Left and right two connecting rod respectively has a first end and a second end, and the first end is connected to the rotating mechanism, can be opposite It is displaced in the frame body by the center of circle of the pivot center, and the first end of left and right two connecting rod is with the pivot center Scheduled relative angle is kept for the center of circle；The second end of left and right two connecting rod be connected to left and right two swing arm from The position for opening the axle center part drives the movement that swings of left and right two swing arm mutually via the rotating mechanism；

Wherein, left and right two pedal under side view can be overlapped in the middle position on the arc track；When a wherein institute When stating pedal and being displaced forward by the middle position along the arc track, another pedal is by the middle position along described Arc track is displaced backward；When position change of the support group relative to the frame body, the axle center of left and right two swing arm Portion can change relative to the position of the pivot center, and the relative angle in the middle position and the axle center part It can change.

7. leg sports equipment as claimed in claim 6, it is characterised in that: when the support group is positioned relative to the frame body When a first position, the middle position is located at before the underface of the axle center part, and the middle position at this time is opposite The first median angle angle value is defined as in the angle of depression size of the axle center part；When the support group is positioned at one relative to the frame body When the second position, the middle position is located at before the underface of the axle center part, and the middle position at this time is relative to institute The angle of depression size for stating axle center part is defined as the second median angle angle value；The second median angle angle value is greater than the first median angle degree Value.

8. leg sports equipment as claimed in claim 6, it is characterised in that: the first end of each connecting rod can be along a circle Track is around the pivot center；It is described to step on while the first end of the connecting rod rotates one week along the circular trace Plate can move back and forth between a track front end and a track rear end once along the arc track；When the support group is opposite When the position change of the frame body, the track front end of the arc track can change with the relative angle of track rear end.

9. leg sports equipment as claimed in claim 6, it is characterised in that: the leg sports equipment also includes a resistance Device, for generating the resistance for hindering left and right two swing arm to swing；The resistance device is connect with the support group, can be with The support group be displaced relative to the frame body.

10. leg sports equipment as claimed in claim 6, it is characterised in that: a handle group is additionally provided on the frame body, it is described Handle group is located in front of the axle center part of left and right two swing arm；When position change of the support group relative to the frame body, The axle center part of left and right two swing arm can change at a distance from the handle group.

11. a kind of leg sports equipment, it is characterised in that include:

One frame body；

One support group can correspond to axial the first pivot deflection in left and right according to one on the frame body, and then in multiple positions Between selective positioning；

One interlinked mechanism is located at base portion in the support group with one, can with the support group relative to the frame body according to It is deflected according to first pivot；Left and right two swing arm is connected by power via the interlinked mechanism, makes left and right two swing arm Swing and act mutual drive；

Wherein, left and right two pedal under side view can be overlapped in the middle position on the arc track；When a wherein institute When stating pedal and being displaced forward by the middle position along the arc track, another pedal is by the middle position along described Arc track is displaced backward；When position change of the support group relative to the frame body, the middle position and the axis The relative angle of center portion can change, but the middle position remains unchanged at a distance from the base portion.

12. leg sports equipment as claimed in claim 11, it is characterised in that: the interlinked mechanism includes a crank axle, two Crank arm and two connecting rods；The crank axle is hubbed in the support group according to a pivot center, becomes the base portion；Described two Crank arm is fixed on the crank axle；Each connecting rod has a first end and a second end, the first end of two connecting rod It is connected to two crank arm, can be displaced relative to the support group by the center of circle of the pivot center, and the left side, The first end of right two connecting rods keeps scheduled relative angle by the center of circle of the pivot center；The second of left and right two connecting rod End is connected to the position for leaving the axle center part of left and right two swing arm.

13. leg sports equipment as claimed in claim 12, it is characterised in that: the first end of each connecting rod can be along a circle Shape track is around the pivot center；It is described while the first end of the connecting rod rotates one week along the circular trace Pedal can move back and forth between a track front end and a track rear end once along the arc track；When the support group phase For the frame body position change when, the track front end of the arc track and the relative angle of track rear end can and then change Become.

14. leg sports equipment as claimed in claim 11, it is characterised in that: the leg sports equipment also includes a resistance Power device, for generating the resistance for hindering left and right two swing arm to swing；The resistance device is connect with the support group, meeting As the support group is displaced relative to the frame body.

15. leg sports equipment as claimed in claim 11, it is characterised in that: be additionally provided with a handle group, institute on the frame body Handle group is stated to be located in front of the axle center part of left and right two swing arm；When position change of the support group relative to the frame body When, the axle center part of left and right two swing arm can change at a distance from the handle group.