TWI671098B - Multi-function elliptical machine with self-determining span size - Google Patents

Abstract

The utility model relates to a multifunctional elliptical machine capable of determining a span size by itself, comprising a bracket unit, a resistance unit, a transmission unit, and two linkage units. The resistance unit includes a first resistance member and a second resistance member. The transmission unit includes a crank member, a first transmission group connected between the crank member and the first resistance member, and a second transmission group connected to the second resistance member. Each linkage unit can move up and down. The state and a forward-backward motion state are changed. In the upward-downward motion state, the linkage unit sequentially links the crank member, the first transmission group, and the first resistance element. In the forward-backward motion state, the linkage unit sequentially Linking the second transmission group and the second resistance member, because the linkage unit has different components in the up and down motion state and the back and forth motion state, the span in the back and forth direction is not limited, but can be free Determine the size of the span to achieve better fitness results.

Description

Multifunctional elliptical machine with self-determinable span size

The present invention relates to an elliptical machine, in particular to a multifunctional elliptical machine capable of determining a span size by itself.

Referring to FIG. 1, a conventional slide machine includes a frame 11, two swing rods 12 pivotally connected to the left and right sides of the frame 11, and two slide steps respectively connected to the bottom ends of the swing rods 12. The pedal 13 allows the user's feet to swing back and forth after stepping on the sliding pedals 13 respectively to simulate the movement during walking.

Referring to FIG. 2, a conventional stepper includes a base 14 and two pedals 15 swingably disposed on the base 14. The user's feet can move up and down interactively after stepping on the pedals 15 respectively. Action when climbing stairs.

Referring to FIG. 3, a conventional elliptical machine includes a support frame 16, a crank piece 17 pivotally connected to the support frame 16, and two connecting rods 18 and two swingably connecting the left and right sides of the crank piece, respectively. The connecting rod 18 is opposite to one end of the crank member 17 and is used by the user to step on the pedal rod 19, and two restraint rods 181 pivoted between the connecting rod 18 and the support frame 16, respectively. After stepping on the pedals 19, both feet can move interactively along an elliptical trajectory, simulating the movement during running.

The above-mentioned sports equipment uses three different sports methods to exercise different muscle groups of the user. However, to have three sports methods, you need to purchase three sports equipment, which is not only costly and also takes up space. In addition, different The length of the user's feet is different, so the front and back spans will be different. However, in the existing elliptical machine, because the connecting rods 18 are limited by the crank 17 and the restraint rods 181, the front and back spans are fixed. , And ca n’t allow different users to determine the size of the span by themselves, resulting in poor fitness results.

Therefore, an object of the present invention is to provide a multifunctional elliptical machine with better fitness effect and which can independently determine the size of the span.

Therefore, the multifunctional elliptical machine capable of determining the span size by the present invention includes a bracket unit, a resistance unit, a transmission unit, and two linkage units.

The bracket unit includes a base frame, an upright frame connected to the base frame, two sleeves arranged on the upright frame in a left-right direction, and a pivot shaft that passes through the upright frame and extends in the left-right direction. The stand has a lower end portion connected to the chassis, an upper end portion opposite to the lower end portion and provided for the pivot shaft, and an upper portion located between the upper end portion and the lower end portion and provided for the sleeves. Mounting section.

The resistance unit includes a first resistance member pivotally connected to the lower end portion, and a second resistance member pivotally connected to the mounting portion.

The transmission unit includes a crank member pivotally connected to the sleeves, a first transmission group connected between the crank member and the first resistance member, and a transmission member pivotally connected to the crank member and connected to the second resistance member. The second transmission group.

The linkage units are respectively located on opposite sides of the stand along the left and right directions. Each linkage unit includes a rear swing lever swingably connected to the pivot shaft, a rear swing lever connected to the rear swing lever, and received by the rear swing lever. A driven rod linked with swing, a connecting rod swingably connected to the driven rod and the second transmission group, a lower swing rod swingably connected to the bottom of the rear swing rod, and a lower swing rod A foot pedal at one end, a front swing lever swingably connected to the lower swing lever opposite to one end of the foot pedal, a foot swingably connected to an end of the front swing lever opposite to the lower swing lever, and An upper swing rod swingably connected to the pivot shaft, and a crank drive rod swingably connected to the upper swing rod and the crank member, each rear swing rod has a swing swingably connected to the pivot shaft and A pivot end for connecting the driven rod, and a swing end opposite to the pivot end and swingably connected to the lower swing rod, each upper swing rod has a parallel to the pivot axis and for the respective The front swing lever and the respective crank driving lever are pivotally connected The shaft portion.

Each linkage unit can be changed between an up and down motion state and a back and forth motion state, and can also be in the up and down motion state and the back and forth motion state at the same time. In the up and down motion state, each foot pedal is driven to move along a vertical Move up and down in the left-right direction and interlock each of the lower swing levers to swing around the swing end, and sequentially link the front swing lever, the upper swing lever, the crank drive lever, the crank member, the first transmission And the first resistance member to cause the first resistance member to generate resistance. In the forward-backward movement state, each pedal is driven to move in a forward-backward direction perpendicular to the left-right direction and the up-down direction, and interlock. Each of the lower swing levers moves in the front-rear direction, and the respective rear swing levers, the driven levers, the second transmission group, and the second resistance member are sequentially linked to cause the second resistance member to generate resistance.

The effect of the present invention is that, because the linkage unit is different in the up and down movement state and the back and forth movement state, the span in the forward and backward direction depends only on the swing angle of the rear swing lever and is not affected by other The components are limited, so the size of the span can be determined according to the needs of the user to achieve better fitness results.

Referring to FIGS. 4, 5 and 6, an embodiment of a multifunctional elliptical machine capable of determining a span size according to the present invention includes a bracket unit 2, a resistance unit 3, a transmission unit 4, and two linkage units 5.

The bracket unit 2 includes a base frame 21, an upright frame 22 connected to the base frame 21, two sleeves 23 arranged on the upright frame X in a left-right direction X space, and one through the upright frame 22 and along the A pivot axis 24 extending in the left-right direction X, and two armrests 25 in the left-right direction X are located on opposite sides of the stand 22 and are connected between the base frame 21 and the stand 22 and are used for holding by the user. And a supporting frame 26 connected between the base frame 21 and the upright frame 22. In this embodiment, the sleeves 23 are bearings, but not limited thereto.

The chassis 21 has a straight bottom bar 211 extending along a front-rear direction Y perpendicular to the left-right direction X, and an end extending along the left-right direction X and connected to one end of the straight bottom bar 211 along the front-rear direction Y for the A front cross bar 212 connected to the lower end, and a rear cross bar 213 connected to an end of the straight bottom bar 211 opposite to the front cross bar 212 in the front-rear direction Y, the front cross bar 212 and the rear cross bar 213 The two ends are respectively located on the left and right sides of the straight bottom bar 211.

The stand 22 has a lower end portion 221 connected to the base frame 21, an upper end portion 222 opposite to the lower end portion 221 and provided for the pivot shaft 24, and a middle portion between the upper end portion 222 and the lower end portion 221 and A mounting portion 223 for the sleeves 23 is provided. The mounting portion 223 has a mounting area 224 extending forward and provided for the sleeves 23. Each armrest rod 25 is connected to the rear crossbar 213 and the upper end. Between the parts 222, the support frame 26 is connected between the rear cross bar 213 and the mounting part 223.

The resistance unit 3 includes a first resistance member 31 pivotally connected to the lower end portion 221 and a second resistance member 32 pivotally connected to the installation area 224. More specifically, the first resistance member 31 and the second resistance member 32 are metal discs, but not limited thereto.

The transmission unit 4 includes a crank member 41 pivotally connected to the sleeves 23, a first transmission group 42 connected between the crank member 41 and the first resistance member 31, and a pivotal connection to the crank member 41. The second transmission group 43 is connected to the second resistance member 32.

The crank member 41 has a coupling portion 411 extending in the left-right direction X and rotatably passing through the sleeves 23, and two opposite ends of the coupling portion 411 are connected to the coupling portion 411 along the left-right direction X, respectively. A link portion 412 that rotates the connecting shaft portion 411 and two eccentric rod portions 413 that are parallel to the connecting shaft portion 411 and are connected to the connecting rod portions 412, respectively. The radial directions are respectively located on two opposite sides of the coupling portion 411.

5, 6 and 7, the first transmission group 42 has a first pulley 421 coaxially connected to the coupling portion 411 and rotating synchronously with the crank member 41, and a second pulley pivotally connected to the installation area 224. 422. A first belt 423 provided on the first pulley 421 and the second pulley 422, and a second belt 424 provided on the second pulley 422 and the first resistance member 31. The second transmission The group 43 has a third belt pulley 431 coaxially pivotally connected to the crank member 41 and swingably connected by the connecting rods, and a third belt 432 provided on the third belt pulley 431 and the second resistance member 32. .

The linkage units 5 are respectively located on opposite sides of the stand 22 along the left-right direction X. Each linkage unit 5 includes a rear swing lever 51 swingably connected to the pivot shaft 24, and a rear swing lever connected to the pivot shaft 24. A driven rod 52 on the front side of 51 and subject to the rear swing lever 51's interlocking swing, a connecting rod 53 swingably connected to the driven lever 52 and the second transmission group 43, a swingable connection to the rear swing A lower swing lever 54 at the bottom of the lever 51, a foot pedal 55 connected to one end of the lower swing lever 54, and a front swing lever 56 swingably connected to the lower swing lever 54 opposite to one end of the foot pedal 55 1. An upper swing lever 57 swingably connected to an end of the front swing lever 56 opposite to the lower swing lever 54 and swingably connected to the pivot shaft 24, an upper swing lever 57 swingably connected to the upper swing lever 57 and The crank drive lever 58 of the eccentric lever portion 413 on the corresponding side, and a hand lever 59 connected to the rear swing lever 51 and adjacent to the driven lever 52 and available for the user to hold.

Referring to FIGS. 6, 7 and 8, each rear swing lever 51 has a pivot end 511 swingably connected to the pivot shaft 24 and connected to the driven lever 52, and a pivot end 511 opposite to the pivot end 511 and A swinging end 512 for swingably connecting the lower swinging lever 54, each connecting rod 53 is connected to the front side of the driven rod 52, and has a first end 531 swingably connected to a respective one of the driven rods 52, And a second end 532 opposite to the first end 531 and connected to a side of the third pulley 431 opposite to the first pulley 421, the second ends 532 are located in the coupling portion 411 along the front-rear direction Y On two opposite sides, each of the upper swing levers 57 has a swing shaft portion 571 parallel to the pivot axis 24 and pivotally connected to the respective front swing lever 56 and the respective crank driving lever 58.

Referring to Figures 9, 10, and 11, during use, the user can take advantage of the different ways of applying force with both feet, and hold the joystick 59 with both hands to assist, so that the multifunctional elliptical machine that can determine the span size on its own A forward-backward motion state (see FIG. 9), an up-down motion state (see FIG. 10), and an elliptical motion state (see FIG. 11). When the user moves along a direction perpendicular to the left-right direction X and the front-back direction Y When the power of the up-down direction Z steps on the pedals 55 and controls the hand rocker 59 so that the rear swing lever 51 does not swing, the multifunctional elliptical machine that can determine the span size is in the up-and-down motion state. When the user slides the foot pedals 55 with the force in the front-rear direction Y, the multifunctional elliptical machine that can determine the span size is in the front-back motion state. When the user controls the foot pedals 55 to When an elliptical trajectory moves, the multifunctional elliptical machine that can determine the size of the span is in the elliptical motion state.

Referring to Figs. 5, 6, and 10, in the up-and-down motion state, each foot pedal 55 is driven to move back and forth in the up-down direction Z and interlocks the respective lower swing lever 54 to swing around the swing end 512, and the lower The swing lever 54 links each of the front swing levers 56 to further swing the swing shaft portion 571 of each of the upper swing levers 57 up and down to drive the respective crank driving levers 58, and then the respective crank members 41 receive the respective The crank driving rod 58 rotates and drives the first transmission group 42, and then the first resistance member 31 is rotated by the first pulley 421, the second pulley 422, the first belt 423, and the second belt 424. , So that the foot pedal 55 is subject to resistance generated by the first resistance member 31.

Referring to FIGS. 6, 7 and 9, in the forward-backward motion state, each foot pedal 55 is driven to move in the forward-backward direction Y, and the respective lower swing lever 54 is moved in the forward-backward direction Y so that the respective The rear swinging lever 51 swings around the pivot shaft 24 and drives the respective driven levers 52. The driven levers 52 respectively drive the connecting levers 53 so that the third pulley 431 swings back and forth around the connecting shaft portion 411. The second resistance member 32 is driven to swing by the third belt 432, so that the pedal 55 is resisted by the second resistance member 32.

5, 6 and 11, in the elliptical motion state, the resistance unit 3, the transmission unit 4 and the linkage unit 5 simultaneously perform actions in the forward and backward motion state and in the upward and downward motion state, so that the foot The pedal 55 is resisted by the first resistance member 31 and the second resistance member 32.

Therefore, the present invention can achieve the same fitness effect as the existing stepper in the up and down motion state, and can achieve the same fitness effect as the existing slipper in the forward and backward motion state, and can achieve in the elliptical motion state. The fitness effect is similar to the existing elliptical machine. In addition, compared with the existing elliptical machine, the span of the linkage unit 5 in the front-rear direction Y of the present invention depends on the swing angle of the rear swing lever 51, and the rear The connecting rod structure formed by the swing lever 51, the lower swing lever 54, the front swing lever 56, and the upper swing lever 57 is a parallelogram, so the swing angle of the rear swing lever 51 is not limited, but can be adjusted by the user according to the leg length and fitness Need to determine the size of the span.

In summary, the multifunctional elliptical machine capable of determining the span of the present invention by itself. Because the components linked in the up and down motion state and the back and forth motion state are different, the span in the front and back direction Y depends only on The swing angle of the rear swing lever 51 is not limited by other components. Therefore, the size of the span can be determined according to the needs of the user to achieve a better fitness effect. Therefore, the purpose of the present invention can be achieved.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited in this way, any simple equivalent changes and modifications made in accordance with the scope of the patent application and the content of the patent specification of the present invention are still Within the scope of the invention patent.

2‧‧‧Mounting unit

21‧‧‧ Underframe

211‧‧‧Straight Bottom Rod

212‧‧‧Front crossbar

213‧‧‧ rear crossbar

22‧‧‧ Stand

221‧‧‧ lower end

222‧‧‧ upper end

223‧‧‧Mounting Department

224‧‧‧installation area

23‧‧‧ sleeve

24‧‧‧ Pivot

25‧‧‧Handrail

26‧‧‧Support

3‧‧‧ resistance unit

31‧‧‧The first resistance piece

32‧‧‧Second resistance

4‧‧‧ Transmission unit

41‧‧‧Crank

411‧‧‧ Coupling

412‧‧‧ connecting rod

413‧‧‧eccentric rod

42‧‧‧The first transmission group

421‧‧‧The first pulley

422‧‧‧Second pulley

423‧‧‧First Belt

424‧‧‧Second Belt

43‧‧‧Second Transmission Group

431‧‧‧Third pulley

432‧‧‧Third Belt

5‧‧‧ Linkage unit

51‧‧‧ Rear swing lever

511‧‧‧ Pivot end

512‧‧‧Swing end

52‧‧‧ Follower

53‧‧‧Connecting rod

531‧‧‧ the first end

532‧‧‧second end

54‧‧‧ Lower swing lever

55‧‧‧foot pedal

56‧‧‧ Front swing lever

57‧‧‧Upward swing lever

571‧‧‧Swing shaft

58‧‧‧Crank drive lever

59‧‧‧Hand joystick

X‧‧‧ Left and right direction

Y‧‧‧ forward and backward

Z‧‧‧ Up and down direction

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a perspective view of a conventional stepper; FIG. 2 is a side view of a conventional stepper; FIG. 3 is a side view of an existing elliptical machine; FIG. 4 is a perspective combined view of an embodiment of a multifunctional elliptical machine capable of determining a span size according to the present invention; FIG. 5 is a partially exploded view of the embodiment 6 is a perspective exploded view illustrating two linkage units and a crank member of the embodiment; FIG. 7 is an incomplete partial perspective exploded view of the embodiment; FIG. 8 is a side of the embodiment FIG. 9 is a view similar to FIG. 8 illustrating the forward and backward movement state of the embodiment; FIG. 10 is a view similar to FIG. 8 illustrating the upward and downward movement state of the embodiment; and FIG. 11 is similar to FIG. 8 is a view illustrating the embodiment in an elliptical motion state.

Claims (9)

A multifunctional elliptical machine capable of determining a span size by itself, comprising: a bracket unit including a base frame, an upright frame connected to the base frame, two sleeves arranged on the upright frame at intervals in a left-right direction, and A pivot shaft that passes through the stand and extends in the left-right direction, the stand has a lower end portion connected to the chassis, an upper end portion opposite to the lower end portion and provided for the pivot shaft, and a A mounting portion between the upper end portion and the lower end portion and provided for the sleeves; a resistance unit including a first resistance member pivotally connected to the lower end portion and a second resistance member pivotally connected to the mounting portion A transmission unit including a crank member pivotally connected to the sleeves, a first transmission group connected between the crank member and the first resistance member, and a pivot member connected to the crank member and connected to the second resistance A second transmission group of the component; and two linkage units, which are respectively located on opposite sides of the stand along the left and right directions, and each linkage unit includes a rear swing lever swingably connected to the pivot shaft, and a rear linkage The front side of the swing lever and the follower of the rear swing lever A moving rod, a connecting rod swingably connected to the driven rod and the second transmission group, a lower swing rod swingably connected to the bottom of the rear swing rod, and a foot connected to one end of the lower swing rod A pedal, a front swing lever swingably connected to one end of the lower swing lever opposite to the foot pedal, a swing swingably connected to one end of the front swing lever opposite to the lower swing lever and swingably connected to An upper swing lever of the pivot shaft, and a crank driving lever swingably connected to the upper swing lever and the crank member, each rear swing lever has a swingably connected to the pivot shaft and is provided for the driven A pivot end connected to the lever, and a swing end opposite to the pivot end and swingably connected to the lower swing lever, each of the upper swing levers has a front swing lever parallel to the pivot axis and provided for the respective front swing lever And the respective swing axis of the crank driving rod pivotally connected, the multifunctional elliptical machine capable of determining the span can be switched between an up and down motion state, a forward and backward motion state, and an elliptical motion state, in the up and down motion state Each foot pedal is driven along a vertical It moves back and forth in the left-right direction and links each of the lower swing levers to swing around the swing end. At this time, the rear swing member does not move, and sequentially links the respective front swing levers, the respective upper swing levers, The respective crank driving lever, the respective crank member, the first transmission group and the first resistance member are subject to resistance generated by the first resistance member, and each foot pedal is driven in the forward and backward movement state. While moving in a forward-backward direction perpendicular to the left-right direction and the up-down direction, and interlocking the respective lower swing levers in the forward-backward direction, and sequentially linking the respective rear swing levers, the respective follower levers, the respective The connecting rod, the second transmission group, and the second resistance member are subject to resistance generated by the second resistance member. In the elliptical motion state, each pedal is driven to move along an elliptical trajectory. The multifunctional elliptical machine capable of determining a span according to claim 1, wherein the first transmission group has a first pulley coaxially connected to the crank member and rotating synchronously with the crank member, and a pivot connected to the crank member. A second pulley at the mounting portion, a set of first belts provided on the first pulley and the second pulley, and a set of second belts provided on the second pulley and the first resistance member, the second transmission group The utility model has a third pulley coaxially pivoted to the crank member and swingably connected by the connecting rods, and a third belt provided on the third pulley and the second resistance member. The multifunctional elliptical machine capable of determining a span as described in claim 2, wherein the chassis has a straight bottom bar extending in the front-rear direction, and one extending in the left-right direction and connected to the front-rear direction. A straight cross bar at one end and for connecting the lower end, and a rear cross bar connected to one end of the straight bottom bar opposite to the front cross bar in the front-rear direction, the front cross bar and the rear cross bar The two ends are respectively located on the left and right sides of the straight bottom bar, and the mounting portion has a mounting area extending forward and provided for the sleeves, the second pulley and the second resistance member. The multifunctional elliptical machine capable of determining a span according to claim 3, wherein each connecting rod is connected to the front side of the pivot end, and has a first swingably connected to a respective first driven rod. End, and a second end opposite to the first end and connected to a side of the third pulley opposite to the first pulley, the connecting rods push the third pulley to reciprocate during the forward and backward movement state. The multifunctional elliptical machine capable of determining a span according to claim 4, wherein the second ends are located on two opposite sides of the crank member along the front-rear direction. The multifunctional elliptical machine capable of determining a span according to claim 5, wherein the bracket unit further includes two opposite sides of the stand in the left-right direction and connected to the rear crossbar and the upper end. And a handrail for users to hold. The multi-functional elliptical machine capable of determining a span according to claim 6, wherein each linkage unit further includes a respective rear swing lever connected to the rear swing lever and being adjacent to the respective slave lever and can be held by the user. Hand rocker. The multifunctional elliptical machine capable of determining a span according to claim 7, wherein the crank member has a coupling portion extending in the left-right direction and rotatable through the sleeves, and Left and right directions are respectively connected to opposite ends of the coupling portion and are used to link the rotation of the coupling portion, and two eccentric rod portions parallel to the coupling portion and connected to the link portions, respectively, and the eccentric rods The parts are respectively located on two opposite sides of the coupling part along a radial direction of the coupling part and are respectively pivotally connected by the crank driving rods. The multifunctional elliptical machine capable of determining a span according to claim 8, wherein the bracket unit further includes a support frame connected to the rear crossbar and the mounting portion.