CN212880788U

CN212880788U - Elliptical machine with adjustable step height

Info

Publication number: CN212880788U
Application number: CN202020806098.0U
Authority: CN
Inventors: 叶全胜
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Yuandong Smart Sports Technology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Yuandong Smart Sports Technology Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-04-06
Anticipated expiration: 2030-05-14

Abstract

The embodiment of the utility model discloses an elliptical machine with adjustable step height, which comprises a base, and a resistance wheel component, two pedal frames, two pedals, a bracket and an adjusting component which are arranged on the base, wherein the two pedals are respectively arranged on the two pedal frames, and the two pedal frames are respectively hinged with the resistance wheel component; the adjusting assembly comprises a first adjusting belt, a second adjusting belt, a fixed guide wheel set, an adjusting frame, a threaded sleeve, a central shaft, an adjusting motor, an adjusting screw rod, a first crank, a second crank, a first movable guide wheel and a second movable guide wheel; the central shaft penetrates through the adjusting frame and is connected with the adjusting frame in a relatively rotatable mode. The utility model discloses oval machine of adjustable step height passes through adjusting part's setting and realizes the regulation of step height, has realized infinitely variable control to the movement track of adjusting the back running-board accords with human demand, and the suitability is strong.

Description

Elliptical machine with adjustable step height

Technical Field

The utility model relates to a sports apparatus, in particular to an elliptical machine with adjustable step height.

Background

The elliptical trainer is a common exercise training tool and fitness equipment, and is popular among users. The motion track of the pedal of the elliptical machine is elliptical, the ratio of the long axis to the short axis of the track ellipse is called as an axial ratio, the larger the axial ratio is, the more gentle the track is, and the elliptical machine is suitable for relaxing motion; the smaller the axial ratio, the steeper the track, the larger the amount of exercise, and the better exercise effect on the leg musculature. When people use the elliptical machine, the elliptical machine has different requirements on the stride (major axis of elliptical orbit) and the step height (minor axis of elliptical orbit). Usually, the step height of the elliptical trainer is adjusted by adjusting the relative position of the pedal plate on the pedal frame, the closer the pedal plate is to the rear belt pulley, the smaller the shaft ratio is, the more the pedal plate is required to be assembled and disassembled, the operation is troublesome, the adjustment can be carried out only according to a few gears, and the adjustment precision is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an elliptical machine capable of steplessly adjusting the step height, the embodiment of the utility model discloses an elliptical machine capable of adjusting the step height, which comprises a base, and a resistance wheel component, two pedal frames, two pedals, a bracket and an adjusting component which are arranged on the base, wherein the two pedals are respectively arranged on the two pedal frames, and the two pedal frames are respectively hinged with the resistance wheel component; the adjusting assembly comprises a first adjusting belt, a second adjusting belt, a fixed guide wheel set, an adjusting frame, a threaded sleeve, a central shaft, an adjusting motor, an adjusting screw rod, a first crank, a second crank, a first movable guide wheel and a second movable guide wheel; the fixed guide wheel set and the central shaft are hinged with the bracket, and the central shaft is positioned below the fixed guide wheel set; the adjusting motor is hinged with the bracket, the adjusting screw rod is connected with the adjusting motor, and the adjusting motor can drive the adjusting screw rod to rotate; the threaded sleeve is hinged with the adjusting frame, and the adjusting screw rod is in threaded connection with the threaded sleeve; the central shaft penetrates through the adjusting frame and is connected with the adjusting frame in a relatively rotatable manner; the first crank and the second crank are respectively fixed at two ends of the central shaft, the first movable guide wheel is hinged with the first crank, and the second movable guide wheel is hinged with the second crank; one end of the first adjusting belt is fixed with one pedal frame, the other end of the first adjusting belt is fixed with the adjusting frame, and the first adjusting belt bypasses the fixed guide wheel set and the first movable guide wheel; one end of the second adjusting belt is fixed with the other pedal frame, the other end of the second adjusting belt is fixed with the adjusting frame, and the second adjusting belt bypasses the fixed guide wheel set and the second movable guide wheel.

As a further improvement of the embodiment of the utility model, it is in including setting up respectively to decide the guide pulley group the first fixed guide pulley in support both sides and the second decide the guide pulley, first regulation band is walked around first fixed guide pulley, the second regulation band is walked around the second decides the guide pulley.

As a further improvement of the embodiment of the utility model, still include drive wheel, flywheel and belt, the flywheel with base rotatable coupling, the center pin passes the drive wheel and with the drive wheel is fixed, the belt cup joints the drive wheel with outside the flywheel.

As a further improvement, the utility model discloses still include the support frame, the support frame sets up on the base, the flywheel with the support frame is rotationally connected.

As a further improvement of the embodiment of the present invention, the first crank is provided with the first one end of moving the guide pulley with the second crank is provided with the second moves the one end of guide pulley and keeps away from each other, the first crank with the second crank is parallel to each other.

As a further improvement of the embodiment of the present invention, the adjustment motor surface is provided with a lug, the bracket surface is provided with a tab, the lug with the tab is articulated.

As a further improvement, the support surface is provided with the connecting seat, the connecting seat is provided with the mounting hole and the both ends of mounting hole are provided with the central siphon of outside extension, the center pin is worn to locate the mounting hole of connecting seat.

As a further improvement of the embodiment of the utility model, the alignment jig includes first support body and second support body, first support body with second support body symmetry sets up and through spliced pole fixed connection.

As a further improvement of the embodiment of the present invention, the adjusting bracket surface is provided with a lock catch, and the lock catch can lock the first adjusting belt and the second adjusting belt.

As a further improvement of the embodiment of the present invention, the first crank and the second crank surface are provided with connecting shafts, the first connecting shaft passes the first guide wheel that moves, the second connecting shaft passes the second guide wheel that moves.

The utility model discloses oval machine of adjustable step height passes through adjusting part's setting and realizes the regulation of step height, has realized infinitely variable control to the movement track of adjusting the back running-board accords with human demand, and the suitability is strong.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of an elliptical machine according to an embodiment of the present invention.

Fig. 2 is a schematic view of the installation of the upper part of the bracket according to the embodiment of the present invention.

Fig. 3 is a schematic view of an installation of the adjusting assembly according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of the elliptical machine before step height adjustment in the embodiment of the present invention.

Fig. 5 is a schematic diagram of the elliptical machine after step height adjustment in the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-5, an embodiment of the present invention discloses an elliptical machine with adjustable step height, which includes a base 100, and a resistance wheel assembly 200, two pedal frames 300, two pedals 310, a bracket 400 and an adjusting assembly, which are arranged on the base 100, wherein the two pedals 310 are respectively arranged on the two pedal frames 300, and the two pedal frames 300 are respectively hinged to the resistance wheel assembly 200; the adjusting assembly comprises a first adjusting belt 511, a second adjusting belt 512, a fixed guide wheel set, an adjusting frame 550, a threaded sleeve 553, a central shaft 530, an adjusting motor 541, an adjusting screw 542, a first crank 561, a second crank 562, a first movable guide wheel 571 and a second movable guide wheel 572; the fixed guide wheel set and the central shaft 530 are hinged with the bracket 400, and the central shaft 530 is positioned below the fixed guide wheel set; the adjusting motor 541 is hinged to the bracket 400, the adjusting screw 542 is connected to the adjusting motor 541, and the adjusting motor 541 can drive the adjusting screw 542 to rotate; the threaded sleeve 553 is hinged with the adjusting bracket 550, and the adjusting screw 542 is in threaded connection with the threaded sleeve 553; the central shaft 530 passes through the adjusting bracket 550 and is connected with the adjusting bracket 550 in a relatively rotatable manner; the first crank 561 and the second crank 562 are respectively fixed at two ends of the central shaft 530, the first movable guide wheel 571 is hinged with the first crank 561, and the second movable guide wheel 572 is hinged with the second crank 562; one end of the first adjusting belt 511 is fixed to one of the pedal frames 300, and the other end is fixed to the adjusting frame 550, and the first adjusting belt 511 passes around the fixed guide pulley set and the first movable guide pulley 571; one end of the second adjusting belt 512 is fixed to the other pedal frame 300, and the other end is fixed to the adjusting frame 550, and the second adjusting belt 512 bypasses the guide pulley set and the second movable guide pulley 572. With such an arrangement, a user can drive the adjusting motor 541 to rotate, so as to drive the adjusting screw 542 to rotate, so that the adjusting bracket 550 rotates around the central shaft 530 as an axis, and drives the two adjusting belts to slide, and a difference is generated between a distance from an end of the first adjusting belt 511 to the first movable guide wheel 571 and a distance from an end of the second adjusting belt 512 to the second movable guide wheel 572, so that a displacement difference is generated between the highest points of the motion tracks of the two pedal brackets 300, that is, a short-axis distance in the elliptical motion track of the pedal plate 310 is changed, thereby completing the operation of adjusting the step height. The stepless adjustment can be realized by the adjusting mode, the short-axis distance of the elliptical motion trail can be changed, and the foot motion requirements of the human body are met.

The base 100 is the "worker" font die carrier that the level was placed, resistance wheel subassembly 200 sets up the rear end surface of base 100, resistance wheel subassembly 200 can adopt current oval quick-witted runner scheme, including rotatable resistance wheel promptly to the both sides of resistance wheel are provided with the crank rotation, and two pedal framves 300 are fixed with two crank rotations respectively, make pedal frame 300 can along with the resistance wheel rotates and rotates. The lower end of the bracket 400 is fixed on the top surface of the base 100, the bracket 400 is arranged obliquely upward relative to the base 100, and the armrest is arranged on the bracket 400. In this embodiment, the bracket 400 is provided with two fixed shafts 420 arranged along the horizontal direction, and the two fixed shafts 420 are used for mounting the fixed guide wheel set. The two fixed axles 420 are arranged in a top-bottom position, and the lower fixed axle 420 is closer to the front end of the base 100, so that the pedal frame 300 can be prevented from colliding with the movable guide wheel. In this embodiment, the fixed guide wheel set includes a first fixed guide wheel 521 and a second fixed guide wheel 522 respectively disposed at two sides of the bracket 400, the first adjusting belt 511 is wound around the first fixed guide wheel 521, and the second adjusting belt 512 is wound around the second fixed guide wheel 522. Two sides of each of the fixed shafts 420 are respectively provided with one of the first fixed guide wheels 521 and one of the second fixed guide wheels 522. The positions of the first fixed guide wheel 521 and the second fixed guide wheel 522 which are positioned on the upper side are the highest positions of the adjusting belts which are matched with each other.

In this embodiment, in order to facilitate assembly of components, the surface of the bracket 400 is provided with a connecting seat 430, the connecting seat 430 is provided with a mounting hole, two ends of the mounting hole are provided with an axle tube 440 extending outwards, and the central axle 530 penetrates through the mounting hole of the connecting seat 430. This arrangement allows the shaft tube 440 to provide support for the central shaft 530, and bearings may be installed in the shaft tube 440 to allow the central shaft 530 to rotate more smoothly. The connecting seat 430 is located below the fixed shaft 420, the central shaft 530 is inserted into the mounting hole of the connecting seat 430, and the adjusting bracket 550 rotates around the central shaft 530. The two ends of the central shaft 530 are respectively provided with the first crank 561 and the second crank 562, the two ends of the central shaft 530 are respectively fixed with one end of the first crank 561 and one end of the second crank 562, and the projection of the first crank 561 to the second crank 562 along the axial direction of the central shaft 530 is not completely overlapped, that is, an included angle which is larger than 0 degree and smaller than or equal to 180 degrees is formed between the first crank 561 and the second crank 562, so that the height difference between the two pedals 310 can be adjusted when the step height of the elliptical machine is adjusted. In this embodiment, one end of the first crank 561, which is provided with the first movable guide wheel 571, and one end of the second crank 562, which is provided with the second movable guide wheel 572, are away from each other, the first crank 561 and the second crank 562 are parallel to each other, an included angle between the first crank 561 and the second crank 562 is 180 °, the first crank 561 and the second crank 562 are parallel to each other, but outer ends of the first crank 561 and the second crank 562 extend in opposite directions, and such an arrangement enables the adjusting assembly to be more sensitive and faster when the step height of the elliptical machine is adjusted.

In this embodiment, the surfaces of the first crank 561 and the second crank 562 are respectively provided with a connecting shaft, the connecting shaft of the first crank 561 passes through the first movable guide wheel 571, and the connecting shaft of the second crank 562 passes through the second movable guide wheel 572. Through such setting for two move the guide pulley and can rotationally be connected with corresponding crank, easy to assemble.

In this embodiment, to facilitate the hinge connection of the adjustment motor 541 and the bracket 400, a protruding lug 5411 is disposed on a surface of the adjustment motor 541, a protruding piece 410 is disposed on a surface of the bracket 400, and the protruding lug 5411 is hinged to the protruding piece 410. The boss 5411 and the tab 410 are provided with through holes, and the adjustment motor 541 is hinged to the bracket 400 by inserting a pin through the boss 5411 and the through hole of the tab 410.

In this embodiment, the adjusting frame 550 includes a first frame body 551 and a second frame body 552, and the first frame body 551 and the second frame body 552 are symmetrically disposed and fixedly connected through a connecting column. The two ends of the connecting column are studs, the two ends of the connecting column respectively penetrate through the first frame body 551 and the second frame body 552, and then the connecting column is screwed outside the connecting column by using a locking nut, so that the first frame body 551 and the second frame body 552 are locked and fixed. The surface of the threaded sleeve 553 is provided with two studs, which penetrate into the first frame 551 and the second frame 552, respectively, so that the threaded sleeve 553 is hinged to the adjusting frame 550. The surface of the adjusting bracket 550 is provided with a lock catch which can lock the first adjusting belt 511 and the second adjusting belt 512, the lock catch can lock the ends of the two adjusting belts, and the lock catch can adopt a conventional pin or bolt. Under the static state, the two adjusting belts are in a tensioning state.

In order to increase the smoothness of the movement of the pedal 310, the elliptical trainer further comprises a driving wheel 610, an inertia wheel 620, a belt 630 and a support frame 640, wherein the inertia wheel 620 is rotatably connected with the base 100, the central shaft 530 penetrates through the driving wheel 610 and is fixed with the driving wheel 610, and the belt 630 is sleeved outside the driving wheel 610 and the belt 630. The supporting frame 640 is disposed on the base 100, and the inertia wheel 620 is rotatably connected to the supporting frame 640. The central shaft 530 drives the driving wheel 610 to rotate when rotating, the driving wheel 610 drives the inertia wheel 620 to rotate through the belt 630, and the arrangement enables the user to move more smoothly and stably.

The elliptical machine of the present embodiment lifts one end of the two pedal frames 300 using the two adjusting belts. Referring to fig. 4, when the foot pedal 310 is stepped on, the resistance wheel is driven to rotate, and the two foot pedals 310 move along the elliptical track, so that the machine obtains a larger moment of inertia under the action of the inertia wheel 620, and is smoother. At this time, the adjusting belt is retracted and extended under the action of the movable guide wheel, so that the front end of the pedal frame 300 is displaced in the vertical direction, and the rear end of the pedal frame 300 is driven forwards and backwards and upwards and downwards by combining the rear resistance wheel, so that the feet of a person move along an oval track.

Referring to fig. 5, when the step height needs to be adjusted, the adjusting motor 541 pushes the threaded sleeve 553 on the adjusting bracket 550 through the adjusting screw 542 to drive the adjusting bracket 550 to rotate clockwise around the central shaft 530, and because the two movable guide wheels have a position deviation relative to the rotation axis, the rear lengths of the adjusting belts on the left and right sides are made to be different, wherein the distance between the end of the first adjusting belt 511 and the contact point of the first movable guide wheel 571 is a, the distance between the end of the second adjusting belt 512 and the contact point of the second movable guide wheel 572 is B, and the variation generated by a and B after adjustment is different (the variation of a is greater than that of B), so that the two adjusting belts are differently folded and unfolded from the front end of the pedal bracket 300, a larger drop is generated at the front end, and the minor axis of the motion trajectory ellipse of the human foot is larger from the face, and the.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.

Claims

1. The utility model provides an elliptical machine of adjustable stride height which characterized in that: the pedal type pedal adjusting device comprises a base, and a resistance wheel assembly, two pedal frames, two pedals, a bracket and an adjusting assembly which are arranged on the base, wherein the two pedals are respectively arranged on the two pedal frames, and the two pedal frames are respectively hinged with the resistance wheel assembly; the adjusting assembly comprises a first adjusting belt, a second adjusting belt, a fixed guide wheel set, an adjusting frame, a threaded sleeve, a central shaft, an adjusting motor, an adjusting screw rod, a first crank, a second crank, a first movable guide wheel and a second movable guide wheel; the fixed guide wheel set and the central shaft are hinged with the bracket, and the central shaft is positioned below the fixed guide wheel set; the adjusting motor is hinged with the bracket, the adjusting screw rod is connected with the adjusting motor, and the adjusting motor can drive the adjusting screw rod to rotate; the threaded sleeve is hinged with the adjusting frame, and the adjusting screw rod is in threaded connection with the threaded sleeve; the central shaft penetrates through the adjusting frame and is connected with the adjusting frame in a relatively rotatable manner; the first crank and the second crank are respectively fixed at two ends of the central shaft, the first movable guide wheel is hinged with the first crank, and the second movable guide wheel is hinged with the second crank; one end of the first adjusting belt is fixed with one pedal frame, the other end of the first adjusting belt is fixed with the adjusting frame, and the first adjusting belt bypasses the fixed guide wheel set and the first movable guide wheel; one end of the second adjusting belt is fixed with the other pedal frame, the other end of the second adjusting belt is fixed with the adjusting frame, and the second adjusting belt bypasses the fixed guide wheel set and the second movable guide wheel.

2. The elliptical machine of claim 1, wherein: the fixed guide wheel set comprises a first fixed guide wheel and a second fixed guide wheel which are respectively arranged on two sides of the support, the first adjusting belt bypasses the first fixed guide wheel, and the second adjusting belt bypasses the second fixed guide wheel.

3. The elliptical machine of claim 1, wherein: the automatic feeding device is characterized by further comprising a driving wheel, an inertia wheel and a belt, wherein the inertia wheel is rotatably connected with the base, the central shaft penetrates through the driving wheel and is fixed with the driving wheel, and the belt is sleeved outside the driving wheel and the inertia wheel.

4. The elliptical machine of claim 3, wherein: still include the support frame, the support frame sets up on the base, the flywheel with the support frame is rotationally connected.

5. The elliptical machine of claim 1, wherein: the end, provided with the first movable guide wheel, of the first crank and the end, provided with the second movable guide wheel, of the second crank are far away from each other, and the first crank is parallel to the second crank.

6. The elliptical machine of claim 1, wherein: the adjusting motor surface is provided with a lug, the bracket surface is provided with a lug, and the lug is hinged with the lug.

7. The elliptical machine of claim 1, wherein: the support surface is provided with the connecting seat, the connecting seat is provided with the mounting hole and the both ends of mounting hole are provided with the central siphon that extends outward, the center pin is worn to locate the mounting hole of connecting seat.

8. The elliptical machine of claim 1, wherein: the adjusting bracket comprises a first bracket body and a second bracket body, wherein the first bracket body and the second bracket body are symmetrically arranged and are fixedly connected through a connecting column.

9. The elliptical machine of claim 1, wherein: the surface of the adjusting frame is provided with a lock catch, and the lock catch can lock the first adjusting belt and the second adjusting belt.

10. The elliptical machine of claim 1, wherein: the surfaces of the first crank and the second crank are respectively provided with a connecting shaft, the connecting shaft of the first crank penetrates through the first movable guide wheel, and the connecting shaft of the second crank penetrates through the second movable guide wheel.