CN203329281U - Elliptical treadmill - Google Patents

Abstract

The utility model discloses an elliptical treadmill, including the body frame body, the guide pulley group, the pendulum rod, go up the connecting rod, pedal group and crank group, wherein this crank group has the first of interval configuration in pairs, the second swing arm, this is first, second swing arm top is fixed in respectively through two pin joint subassemblies and goes up predetermined interval position department of connecting rod and be the spacing state, this first swing arm bottom pivot group links position department with lower connecting rod in pedal group's pedal front side, and this second swing arm bottom is then the pivot group in pedal rear side, when constituting the rotatory guide pulley of connecting rod along guide pulley group and make circular displacement, this is first, the second swing arm can use the pin joint subassembly to swing as the pivot point, through first, the swing range when this pedal group revolves is linked and promoted through second swing arm self swing distance, and can promote simultaneously this pedal group and revolve trample the stride when moving, in order to reach the motion effect that promotes the use by a wide margin, Practical improvement such as product practicality and satisfying user's many first demands.

Description

Elliptical stepper

Technical field

The utility model relates to a kind of elliptical stepper, relates in particular to a kind of elliptical stepper that can increase the amplitude of oscillation and step pitch.

Background technology

Based on meeting modern's outdoor exercises of having no time regularly to be engaged in because being busy with one's work, industry develops various forms of indoor body-building equipment then for user's energy choice for use, such as products such as treadmill, rowing exercise equipment or elliptical stepper, be quite general and common on the market body-building apparatus, and the utility model is broken through the ameliorator for existing elliptical stepper.

With existing elliptical stepper, make the do action of elliptical shape track by its pedal, foot motion track when while making the user trample this pedal, the energy Reality simulation is walked, to reach the sport and body-building effect, only, though existing elliptical stepper can meet the user demand of indoor sport, but the actual above movement effects of using is not still attained ideal, generally the pedal because of existing elliptical stepper only passes through the direct interlock of plain connecting rod usually, therefore the full stride of pedal front and back start is (before being start, distance between aft terminal) must be subject to the restriction of the connecting rod amplitude of oscillation, cause pedal to trample step pitch too small, trample underswing, cause movement effects to have a greatly reduced quality and the product practicality such as significantly reduces at the scarce fraud, and also can't meet the user demand of different motion degree, therefore, in existing elliptical stepper design, still exist sizable space to remain to be broken through improvement.

The utility model content

Main purpose of the present utility model is to provide a kind of elliptical stepper;

For achieving the above object, the utility model by the following technical solutions:

A kind of elliptical stepper comprises a main frame body, and this main frame body comprises a pedestal and stands to a stand that is arranged at this pedestal front end, and this stand desired height position place has been horizontally set with two support arms, one leads the driving wheel group, by a pivot group assembly, is hubbed at the end that this pedestal is different from stand, and this is led the driving wheel group and includes a rotation and lead driving wheel and be convexly set in the connecting portion that the driving wheel pre-position is led in this rotation, two forks, be mounted on set two support arms of stand of this main frame body in pairs, and respectively the top of this fork is formed with grip part, bottom and is provided with articulated section, and the middle section position of each fork is combined in this support arm, forms two forks and can using support arm and swung as the circumflex branch point, connecting rod on two, on each, rod rear end pivot group is led the connecting portion of driving wheel in this rotation, and upper connecting rod front end links with fork, two pedal groups, each pedal group has included a pedal and a lower link, wherein this lower link rear end is linked to the pedal front side, this lower link front end the pivot group in set articulated section, fork bottom, form when fork swings, on the energy simultaneous linkage, lower link, make rod rear end to lead driving wheel along rotation and make circumferential displacement, and make lower link can drive pedal and produce the mobile two crank groups of doing of revolving of elliptical path, there is first of paired arranged spaced, the second swing arm, this is first years old, the second swing arm top is individually fixed in upper connecting rod locations at predetermined place by two pin connected assemblies and is spacing state, wherein this first swing arm bottom pivot group is in this pedal front side and the lower link position that is linked, this the second swing arm bottom the pivot group in this pedal rear side, form and should upper connecting rod along rotation, to lead driving wheel while making circumferential displacement, this is first years old, the second swing arm can be take pin connected assembly and be moved swing as the circumflex branch point revolves, by first, the swinging distance of the second swing arm own and interlock are also promoted this pedal group and are revolved the amplitude of oscillation while moving, and can promote this pedal group simultaneously and revolve the step pitch of trampling while moving,

Unique innovative design by this, make the utility model contrast background technology, can can lead in upper connecting rod along rotation driving wheel while making circumferential displacement by first, second swing arm of this crank group, the swinging distance of utilization own and interlock are also promoted this pedal group and are revolved the amplitude of oscillation while moving and trample step pitch, and then can promote the regular movements amplitude that the user tramples when motion, significantly promote movement effects, the product practicality of using and meet the practical improvement such as user's multi-demands to reach.

The accompanying drawing explanation

Fig. 1 is stereogram of the present utility model.

Fig. 2 is exploded perspective view of the present utility model.

Fig. 3 is plane of the present utility model.

Fig. 4 is the utility model operating state schematic diagram.

Fig. 5 is that the utility model utilizes the crank group to increase the partial enlarged drawing of step pitch.

Fig. 6 is that the utility model utilizes the crank group to increase the partial enlarged drawing of step pitch.

The cutaway view that Fig. 7 is another example of the utility model.

The partial schematic diagram that Fig. 8 is another example of the utility model.

The specific embodiment

Refer to shown in the 1st to 5 figure, the utility model elliptical stepper comprises:

One main frame body 10, comprise a pedestal 11 and stand to a stand 12 that is arranged at these pedestal 11 front ends, and these stand 12 desired height position places have been horizontally set with two support arms 13; The utility model is implemented upper these stand 12 tops can coordinate installing one control panel 14, and this part is not limited to;

One leads driving wheel group 20, by a pivot group assembly 21, is hubbed at the end that this pedestal 11 is different from stand 12, and this is led driving wheel group 20 and includes a rotation and lead driving wheel 22 and be convexly set in the connecting portion 23 that driving wheel 22 pre-positions are led in this rotation;

Two forks 30, be mounted in pairs set two support arms 13 of stand 12 of this main frame body 10, respectively the top of this fork 30 is formed with 31, bottom, grip part and is provided with articulated section 32, and the middle section position of each fork 30 is combined in this support arm 13, forms two forks 30 and can using support arm 13 and swung as the circumflex branch point;

On two, connecting rod 40, and on each, connecting rod 40 rear end pivot groups are led the connecting portion 23 of driving wheel 22 in this rotation, and upper connecting rod 40 front ends link with fork 30;

Two pedal groups 50, each pedal group 50 has included a pedal 51 and a lower link 52, wherein these lower link 52 rear ends are linked to pedal 51 front sides, these lower link 52 front ends the pivot group in fork 30 set articulated sections 32, bottom; Form when fork 30 swings, the upper and lower connecting rod 40,52 of energy simultaneous linkage, make connecting rod 40 rear ends to lead driving wheel 22 along rotation and make circumferential displacement, and make lower link 52 can drive mobile work of revolving of pedal 51 generation elliptical paths;

Two crank groups 60, there is first of paired arranged spaced, the second swing arm 61, 62, this is first years old, the second swing arm 61, 62 tops are individually fixed in upper connecting rod 40 locations at predetermined places by two pin connected assemblies 63 and are spacing state (pin connected assembly 63 described herein can be bearing, and be fixedly arranged on upper connecting rod 40 locations at predetermined places in modes such as welding), wherein these the first swing arm 61 bottom pivot groups are in these pedal 51 front sides and lower link 52 position that is linked, these the second swing arm 62 bottoms the pivot group in these pedal 51 rear sides, form and should upper connecting rod 40 along rotation, to lead driving wheel 22 while making circumferential displacement, first, the second swing arm 61, 62 can take pin connected assembly 63 moves swing as the circumflex branch point revolves, by first, the second swing arm 61, 62 swinging distances own and interlock are also promoted this pedal group 50 and are revolved the amplitude of oscillation while moving, and can promote this pedal group 50 simultaneously and revolve the step pitch of trampling while moving.

Be above-mentioned structural design, according to the concrete example explanation of the utility model, please coordinate and consult Fig. 2, shown in 4, this crank group 60 set first wherein, the second swing arm 61, 62 are elongated plate body form, and first, the second swing arm 61, be the spaced and parallel configuration between 62, form and should upper connecting rod 40 along rotation, to lead driving wheel 22 while making circumferential displacement, this is first years old, the second swing arm 61, 62 can take pin connected assembly 63 as the place ahead or the rear swing of circumflex branch point while towards pedestal 11, and by one, the second swing arm 61, 62 swinging distances own and interlock are also promoted this pedal group 50 and are revolved the amplitude of oscillation and the step pitch while moving, this as shown in Figure 5, when first, the second swing arm 61, 62 when pedestal 11 the place aheads swing, pedal group 50 side oscillation forward can be drawn, by first, the second swing arm 61, 62 length own and the swinging distance step pitch (as indicated arrow L1) to increase pedal group 50, shown in Fig. 6, when first, second swing arm 61,62 when pedestal 11 rears swing, pedal group 50 side oscillation backwards can be drawn equally, with the step pitch (as indicated arrow L2) that increases pedal group 50, and lead driving wheel 22 while making circumferential displacement along rotation when upper connecting rod 40, utilize first, second swing arm 61,62 length own and swinging distance and can significantly promote the amplitude of fluctuation of pedal group 50, further reach and significantly promote movement effects, the product practicality of using and meet the practical improvement such as user's multi-demands.

As shown in Figure 7 wherein, these fork 30 belows are set as the adjustable lifting form and define and be formed with an outer tube part 33, insert group and be liftable adjust an inner tube section 34 of state and be located in the release keeper 35 of one inner tube section 34 in outer tube part 33, and wherein these outer tube part 33 1 sides offer and go to upper and lower at least two locating holes 36 that are spaced shape;

In addition, this discharges the set thrust end 351 of keeper 35 and can outwards engage with arbitrary locating hole 36 contrapositions of outer tube part 33, and make discharging under keeper 35 normalities by the set elastic parts 37 of this release keeper 35 1 side and be the clip state that protrudes out, (meaning is when pressing this release keeper 35 to be feedback contracting capable of regulating state when pressing this release keeper 35, make the inner tube section 34 can be in the interior lift adjustment of outer tube part 33), can change pedal group 50 high and low positions by adjusting these inner tube section 34 positions, more and then increase the swing amplitude of oscillation of pedal group 50 and trample step pitch, and wherein, should upper connecting rod 61 with fork 30 position that is linked, separately be provided with an auxiliary positioning part 70, this auxiliary positioning part 70 can be in order to the adjustment position of this inner tube section 34 of auxiliary positioning, on concrete enforcement, this auxiliary positioning part 70 also supports under the pressure of this inner tube section 34 in this outer tube part 33 with screw lock mode lock group, by screwing or unscrew this auxiliary positioning part 70, can control this auxiliary positioning part 70 and support the degree of compeling inner tube section 34, the utility model also can be as the structure setting of Fig. 8, in this one side precalculated position, fork 30 below, one sleeve pipe assembly 80 is set, and in order an end of connecting rod 40 be hubbed in thimble assembly 80 be can upper and lower slippage, positioning states, by upper connecting rod 40 1 ends, can, in the interior upper and lower slippage adjustment of thimble assembly 80, can reach equally adjustment, change the swing amplitude of oscillation of pedal group 50 and trample step pitch.

The effect explanation: the fact that the utility model effect is promoted is as follows:

The utility model elliptical stepper mainly passes through main frame body, lead the driving wheel group, fork, upper connecting rod, unique innovative design that pedal group and crank structure that group is total to form, make the utility model against existing technologies, can be by first of this crank group, the second swing arm can be led in upper connecting rod along rotation driving wheel while making circumferential displacement, the swinging distance of utilization own and interlock are also promoted this pedal group and are revolved the amplitude of oscillation while moving and trample step pitch, and then can promote the regular movements amplitude that the user tramples when motion, significantly promote to reach the movement effects of using, product practicality and meet the practical improvements such as user's multi-demands.

Above-described embodiment those disclosed herein use and illustrate the utility model, though and through specific term, describe in literary composition, when not limiting the novel the scope of the claims of this novel practical with this; The personage who is familiar with the technique field is when can after the spirit of understanding the utility model and principle, to it, change and revise and reach equivalent purpose, and these change and modification, all should be covered by the category that claim defined as described later.

The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.

Claims (3)

1. an elliptical stepper is characterized in that comprising:

One main frame body, comprise a pedestal and stand to a stand that is arranged at this pedestal front end, and this stand desired height position place has been horizontally set with two support arms;

One leads the driving wheel group, by a pivot group assembly, is hubbed at the end that this pedestal is different from stand, and this is led the driving wheel group and includes a rotation and lead driving wheel and be convexly set in the connecting portion that the driving wheel pre-position is led in this rotation;

Two forks, be mounted on set two support arms of stand of this main frame body in pairs, and respectively the top of this fork is formed with grip part, bottom and is provided with articulated section, and the middle section position of each fork is combined in this support arm, forms two forks and can using support arm and swung as the circumflex branch point;

Connecting rod on two, on each, rod rear end pivot group is led the connecting portion of driving wheel in this rotation, and upper connecting rod front end links with fork;

Two pedal groups, each pedal group has included a pedal and a lower link, wherein this lower link rear end is linked to the pedal front side, this lower link front end the pivot group in set articulated section, fork bottom; Form when fork swings, the upper and lower connecting rod of energy simultaneous linkage, make rod rear end to lead driving wheel along rotation and make circumferential displacement, and make lower link can drive mobile work of revolving of pedal generation elliptical path;

Two crank groups, there is first of paired arranged spaced, the second swing arm, this is first years old, the second swing arm top is individually fixed in upper connecting rod locations at predetermined place by two pin connected assemblies and is spacing state, wherein this first swing arm bottom pivot group is in pedal front side and the lower link position that is linked, this the second swing arm bottom the pivot group in the pedal rear side, when upper connecting rod is led driving wheel while making circumferential displacement along rotation, this is first years old, the second swing arm can be take pin connected assembly and be moved swing as the circumflex branch point revolves, by first, the swinging distance of the second swing arm own and interlock are also promoted this pedal group and are revolved the amplitude of oscillation while moving, and can promote this pedal group simultaneously and revolve the step pitch of trampling while moving.

2. elliptical stepper according to claim 1, it is characterized in that, described fork below is provided with insert group in an outer tube part, outer tube part an inner tube section, and one in the inner tube section that be located in discharges keeper, and outer tube part one side offers and goes to upper and lower at least two locating holes that are spaced shape;

Discharging the set thrust end of keeper can outwards engage with arbitrary locating hole contraposition of outer tube part, and make discharging under the keeper normality by the set elastic parts of release keeper one side being the clip state that protrudes out, be feedback contracting capable of regulating state when pressing this release keeper;

And wherein, on this, connecting rod and the fork position that is linked separately is provided with an auxiliary positioning part, and this auxiliary positioning part can be in order to the adjustment position of this inner tube section of auxiliary positioning.

3. elliptical stepper according to claim 1 and 2, it is characterized in that, set first, second swing arm of described crank group is elongated plate body form, and be the spaced and parallel configuration between first, second swing arm, when upper connecting rod is led driving wheel while making circumferential displacement along rotation, this first, second swing arm be take pin connected assembly and is swung towards the place ahead or the rear of pedestal as circumflex branch point simultaneously, and by the swinging distance of the one, second swing arm own interlock promote the pedal group and revolve the amplitude of oscillation and the step pitch while moving; And wherein, pin connected assembly is the bearing form.

Images