TWI551331B - Elliptical movement with connecting rod adjustment components - Google Patents

Description

Elliptical exercise machine with linkage adjustment assembly

The present invention relates to an elliptical exercise machine with a link type adjustment component, in particular, the speed of the stepping portion of the pedal of the elliptical exercise machine is generated by the principle of the quick return mechanism, and the speed of the stroke and the support stroke is different. Poor, to be closer to the trajectory of human walking and jogging, reducing the possibility of sports injuries caused by improper force on the legs.

Running is one of the most common leisure sports, but the shortcoming of running the sport is that the moment the foot touches the ground, the knee will be subjected to a certain impact force, and long-term accumulation will cause knee damage. To this end, there are currently elliptical machines, slide machines, steppers and other fitness equipment, which use movable pedals to guide the user's feet to move over the trajectory similar to the actual running, to avoid the knees being momentarily moved during the exercise. Shocked and injured.

The elliptical exercise machine, for example, has the US Patent No. US6090013 "Cross trainer exercise apparatus", which mainly comprises: a body comprising a frame body, a pair of swing arms, a flywheel and a pair of stepping bars, wherein the pair of swing arms and The flywheel is pivotally connected to the frame body, and the pair of pedals are respectively pivotally connected to the two sides of the flywheel to drive the pedal to slide relative to each other when the pair of swing arms are swung, and the stepping rod is subjected to the flywheel Traction and swinging form an approximately elliptical motion stroke that includes a support stroke and one of the support strokes spanning the stroke.

However, there are still some shortcomings in the above-mentioned previous cases to be improved. The main reason is that the crank phase difference between the left and right sides of the elliptical motion machine is 180 degrees. Therefore, when the forefoot foot starts to support at the forefront, the hind foot is at the rear. That is, the support stroke (E1) and the span stroke (E2) of the motion stroke (E) are approximately equal (as shown in the sixth figure). However, the actual jogging track is that when the forefoot foot starts to support at the forefront, the hind foot has not yet reached the end of the gait track, but instead starts to lift the leg. Afterwards, and when it is raised to the last side of the gait trajectory (as shown in the seventh figure), the support stroke (F1) of the motion stroke (F) trajectory is relatively smaller than the spanning stroke (F2), which is the current The elliptical motion machine timing is not ergonomic.

When using the existing elliptical exercise machine, the user needs to match the gait trajectory of the elliptical exerciser with both feet, and the legs often need to cross the leg to support the leg support, plus the influence of improper pedaling angle. It is easy to cause muscle soreness in the feet and long-term cumulative sports injuries.

Therefore, the shortcomings of the existing elliptical exercise machine design are improved, and the gait trajectory timing of the elliptical exercise machine is more ergonomic to enhance the effect of exercise and fitness. Therefore, the inventors have devoted themselves to research and propose a link adjustment assembly. The elliptical exercise machine comprises: a frame body; a pair of link sets each comprising a crank, a link, a first rocker, a second rocker and a pedal, the crank having one end at a pivot Pivoting the frame, the other end of the crank is pivotally connected to one end of the connecting rod, the first rocker is pivotally connected to the frame body and the other end of the connecting rod respectively, and the second rocker is pivotally connected to the frame body and The stepping rod pivotally connects the connecting rod, so that the stepping rod is respectively oscillated by the second rocker and the connecting rod along a supporting stroke and connecting one of the supporting strokes to form a closed a movement stroke; and an adjustment assembly comprising an adjustment wheel, a pair of rotating members and a pair of connecting rods, the adjusting wheel is pivotally disposed at a predetermined portion of the frame body, and one end of the pair of rotating members is fixed to the crank a pivot that causes one end of the pair of rotating members to be pivoted to another pre-frame Wherein the pivot is fixed to the crank, and a distance is formed between the predetermined portion and the other predetermined portion, the length of the pair of connecting rods is greater than the spacing, and the two ends of the pair of connecting rods are respectively pivotally connected to the adjusting wheel and the foregoing One of the rotating members, wherein when one of the stepping rods is in the supporting stroke, the rotating wheel is driven by one of the connecting rods to rotate the shaft of the adjusting wheel, and the adjusting wheel is coupled by another The connecting rod and the other rotating member drive the other pedal to the spanning stroke.

Further, the frame body includes a front portion and a rear portion opposite to the front portion, the front portion is provided with a pair of first brackets and a second bracket, and the pair of first brackets respectively provide pivots of the pair of link sets and the foregoing two The rocker is pivoted, the second bracket is located between the pair of first brackets, the second bracket is relatively close to the end of the front portion, and the second bracket is pivoted for the adjusting wheel of the adjusting component, and the rear portion is provided with a For the third bracket, the pair of third brackets are respectively pivoted for the first rocker of the pair of link sets.

Further, the pair of third brackets each have an extension rod connected to the first bracket of the frame body.

The second rocker is pivotally connected to the pedal at one end, and the other end of the second rocker is provided with a grip.

The effect of the invention is:

1. In this case, the principle of the rushback mechanism is used to make the pedaling part of the pedals on both sides of the elliptical motion machine produce a speed difference of different speeds in the spanning stroke and the supporting stroke, so as to be closer to the human gait timing and reduce the user. The possibility of sports injuries due to improper force.

2. In this case, the principle of the emergency return mechanism is used to make the pedal of the elliptical exercise machine change from the spanning stroke to the supporting stroke before the support stroke is turned to the spanning stroke, so that the legs do not need to cross To the maximum span position, the foot support can be changed to avoid improperly stretching the muscles of the legs and causing injury to the muscles of the legs, so that the movement stroke of the pedals on both sides of the case is more ergonomic.

(1) ‧‧‧ frame

(11) ‧ ‧ front

(111A) (111B) ‧ ‧ first bracket

(112)‧‧‧second bracket

(113A) (113B) ‧ ‧ third bracket

(114A) (114B) ‧ ‧ extension rod

(12) ‧ ‧ rear

(2A)‧‧‧Left link group

(2B)‧‧‧Right link set

(21A) (21B) ‧ ‧ crank

(211A) (211B) ‧‧‧ pivot

(22A) (22B) ‧‧‧ Connecting rod

(23A) (23B) ‧‧‧First rocker

(24A)(24B)‧‧‧Second rocker

(241A) (241B) ‧ ‧ grip

(25A) (25B) ‧‧‧ pedal

(251A) (251B) ‧‧‧Treading

(3) ‧‧‧Adjusting components

(31) ‧‧‧Adjustment wheel

(31A) ‧‧‧ first side

(31B) ‧‧‧ second side

(31C)‧‧‧ shaft

(32A) (32B) ‧ ‧ rotating parts

(33A) (33B) ‧‧‧ Connecting rod

(331A) (331B) ‧‧‧ First pivot end

(332A) (332B) ‧‧‧Second pivotal end

(D) ‧‧‧ spacing

(P)‧‧‧Swing space

(H1)‧‧‧First interval

(H2) ‧ ‧ second interval

(C) ‧‧‧Sports

(C1) ‧ ‧ support itinerary

(C2)‧‧‧Traveling

(S1) ‧ ‧ first end

(S2) ‧ ‧ second end

(S3) ‧ ‧ third end

(R1)‧‧‧First radius of gyration

(R2)‧‧‧second radius of gyration

[First Figure] is a schematic plan view of an embodiment of the present invention.

[Second figure] is a front view of an embodiment of the present invention.

[Third Figure] is a schematic diagram of the first embodiment of the embodiment of the present invention.

[Fourth figure] is a partially enlarged schematic view of the first embodiment of the embodiment of the present invention.

[Fifth Figure] is a partially enlarged schematic view of a third diagram of an embodiment of the present invention.

[Sixth figure] is a schematic diagram of the motion path of a conventional elliptical exercise machine.

[Seventh] is a schematic diagram of the timing of the motion path of a human normal gait.

In view of the above technical features, the main functions of the elliptical exercise machine with the link type adjustment assembly of the embodiment of the present invention will be clearly shown in the following embodiments.

Referring to the first and second figures, an elliptical exercise machine with a link adjustment component according to an embodiment of the present invention includes: a frame body (1), a pair of link groups (2A) (2B), and an adjustment. The assembly (3), wherein: the frame body (1) comprises a front portion (11) and a rear portion (12) opposite to the front portion (11), the front portion (11) is provided with a pair of first brackets (111A) ( 111B) and a second bracket (112) located between the pair of first brackets (111A) (111B), the second bracket (112) being relatively close to the front portion (11) The end portion has a space between the second bracket (112) and the pair of first brackets (111A) (111B), and the rear portion (12) is provided with a pair of third brackets (113A) (113B). The pair of third brackets (113A) (113B) each have an extension rod (114A) (114B) connected to the first bracket (111A) (111B) of the frame body (1). The pair of third brackets (113A) (113B) can be subjected to a higher load.

The pair of link sets (2A) (2B) each include a crank (21A) (21B), a link (22A) (22B), a first rocker (23A) (23B), and a second rocker (2). 24A) (24B) and a pedal (25A) (25B).

Hereinafter, the link group (2A) is referred to as a left link group (2A), and the link group (2B) is referred to as a right link group (2B).

One end of the crank (21A) of the left link group (2A) is pivotally connected to the pair of first brackets (111A) of the frame body (1) by a pivot (211A), and the other end of the crank (21A) is pivotally connected One end of the link (22A). Similarly, one end of the crank (21B) of the right link group (2B) is pivotally connected to the pair of first brackets (111B) of the frame body (1) by a pivot (211B), and the crank (21B) is further One end is pivotally connected to one end of the connecting rod (22B).

The first rocker (23A) of the left link group (2A) is pivotally connected to the pair of third brackets (113A) of the frame body (1) and the other end of the link (22A). The aforementioned second rocker (24A) is pivoted on the first bracket (111A) of the frame body (1). The first rocker (23B) of the right right link group (2B) is pivotally connected to the frame respectively The third bracket (113B) of (1) and the other end of the connecting rod (22B). The aforementioned second rocker (24B) is pivoted on the first bracket (111B) of the frame body (1).

The second rocker (24A) of the left link group (2A) is pivotally connected to the pedal (25A) at one end, and the other end of the second rocker (24A) is provided with a grip (241A). The second rocker (24B) of the opposite right link group (2B) is pivotally connected to the pedal (25B) at one end, and the other end of the second rocker (24B) is provided with a grip (241B).

The pedal (25A) of the left link group (2A) is pivotally connected to the link (22A) by a stepping portion (251A) at one end, so that the pedal (25A) is respectively received by the second rocker (24A) and the The link (22A) is pulled along a support stroke (C1) and one of the support strokes (C1) is oscillated across the stroke (C2) to form a closed one motion stroke (C). Similarly, the step bar (25B) of the right link group (2B) is pivotally connected to the link (22B) by a stepping portion (251B) at one end, so that the step bar (25B) is respectively received by the second rocker (24B) And the connecting rod (22B) is swayed along the other supporting stroke (C1) and connected to the supporting stroke (C1) across the stroke (C2) to form another closed motion stroke (C).

The adjusting component (3) comprises an adjusting wheel (31), a pair of rotating members (32A) (32B) and a pair of connecting rods (33A) (33B), and the adjusting wheel (31) is pivoted on the frame body (1) a second bracket (112), one end of each pair of rotating members (32A) (32B) is respectively fixed to a pivot (211A) (211B) of the crank (21A) (21B), so that the pair of rotating members (32A) One end of (32B) is respectively pivoted to the first bracket (111A) (111B) of the frame body (1) to rotate the end of the pair of rotating members (32A) (32B) and the adjusting wheel (31) There is this spacing (D) between the centers.

The first pivoting ends (331A) (331B) of the pair of connecting rods (33A) (33B) are respectively pivotally connected to two sides of the adjusting wheel (31), and the second pivot of the pair of connecting rods (33A) (33B) The terminals (332A) (332B) are pivotally connected to the pair of rotating members (32A) (32B), respectively. The pair of rotating members (32A) (32B) have a first radius of gyration (R1) between the first pivoting end (331A) (331B) and the center of rotation of the rotating member (32A) (32B), the first The second pivoting end (332A) (332B) has a second radius of gyration (R2) between the center of rotation of the adjusting wheel (31), and the first connecting end of the pair of connecting rods (33A) (33B) (331A) The distance from the second pivoting end (332A), the first radius of gyration (R1) and the second radius of gyration (R2) are both greater than the aforementioned spacing (D).

When the pedal (25A) of the left link group (2A) is at the support stroke (C1), the adjusting wheel (31) is driven by the rotating member (32A) by one of the connecting rods (33A) to The shaft of the adjusting wheel (31) rotates, and the adjusting wheel (31) drives the stepping portion (251B) of the other pedal (25B) by another connecting rod (33B) and another rotating member (32B) to This spanning trip (C2).

Please refer to the second figure for a front view of the present invention, and further specifically disclose the structural relationship between the frame body (1), the link group (2A) (2B), and the adjustment component (3). The adjusting wheel (31) has a first side (31A), a second side (31B) opposite to the first side (31A), and a shaft (31C) connected to the first side (31A) and the second side ( 31B), a rotating space (P) is defined between the first side (31A) and the second side (31B), and the second bracket (112) of the frame body (1) is provided for the axis of the adjusting wheel (31) The rod (31C) is erected.

Further, a first interval (H1) is defined between the first side (31A) of the adjusting wheel (31) and the first bracket (111A), and the second side (31B) and the first side of the adjusting wheel (31) A second interval (H2) is defined between the brackets (111B), the rotating member (32A) of the adjusting assembly (3) is at the first interval (H1), and the rotating member (32B) of the adjusting assembly (3) The base is at the second interval (H2), and the crank (21A) (21B) of the pair of links (2A) (2B) is located outside the pair of first brackets (111A) (111B).

For the case of use, please refer to the first figure and the fourth figure. When the user steps down the stepping portion (251A) of the step bar (25A), the step bar (25A) will pass the left link group (2A). The connecting rod (22A) drives the crank (21A) and the first rocker (23A) to rotate and swing counterclockwise, respectively, and the pedal (25A) drives the second rocker (24A) to make the first The grip (241A) of the second rocker (24A) is swung, and the stepping portion (251A) of the pedal (25A) is pulled by the link (22A) and the second rocker (24A), and the movement stroke The first end (S1) of (C) is moved to the second end (S2) to form an arcuate support stroke (C1). At this time, since the pivot (211A) of the crank (21A) is fixed to the rotating member (32A) of the adjusting assembly (3), the crank (21A) drives the rotating member (32A) to rotate, and then the connecting rod is driven. (33A) rotating, thereby driving the adjusting wheel (31) to rotate counterclockwise with the axis of the adjusting wheel (31), so that one of the connecting rods (33A) is at the adjusting wheel (31) and the rotating The upper portion of the rotating member (32A) slides counterclockwise to the lower left side, so that the rotational speed of the rotating member (32A) is relatively smaller than the rotational speed of the adjusting wheel (31).

The adjusting wheel (31) and rotating the other rotating member (32B) by another connecting rod (33B) will rotate the other rotating member (32B) and the crank (21B) relatively more than the adjusting wheel ( The rotational speed of 31) causes the two rotating members (32A) (32B) to generate a speed difference of different speeds to accelerate the moving speed of the stepping portion (251B) of the other stepping lever (25B) over the stroke (C2). The feet do not need to cross the maximum span position to change the foot support to avoid improper stretching of the muscles of the legs and the muscles of the feet are sore, so that the treading section (251A) (251B) is in motion (C) timing, For ergonomics.

Referring to the first, fourth, third and fifth figures, the following will further describe the sudden return mechanism of the phase difference in the present case, and the left link group (2A) and the adjustment component (3) As an illustration on the left side, when the stepping portion (251A) of the pedal (25A) is in the supporting stroke (C1), the adjusting wheel (31) is rotated 180 degrees clockwise (from P1 to P2), and the rotating member (32A) And the crank (21A) has not been rotated by 180 degrees (from Q1 to Q2, that is, α + β < 180 degrees), so the tread portion (251A) of the aforementioned step (25A) has not reached the end of the movement stroke (C). The three ends (S3), but reach the second end (S2) before the third end (S3). Therefore, when the stepping portion (251A) of the pedal (25A) is located at the supporting stroke (C1), the rotational speed of the rotating member (32A) and the crank (21A) is relatively smaller than the rotational speed of the adjusting wheel (31). Before the user's leg is stepped, the other leg reaches the foremost first end (S1), and the gait trajectory of the normal person jogging is consistent, ergonomic, avoiding the double foot changing when it reaches the maximum Support the feet to reduce the sports injuries caused by improper application of the feet.

Finally, it should be particularly noted that the position of the pair of extension rods (114A) (114B) and the pair of first brackets (111A) (111B) can be changed, and the fixing position is automatically adjusted by a manual or a driving device. The length of the extension rod (114A) (114B) is changed to change the pivotal position of the first rocker (23A) (23B) and the pair of third brackets (113A) (113B) to further the stepping portion. (251A) (251B)'s trajectory for different users of the body to adjust to use.

In view of the foregoing description of the embodiments, the operation and the use of the present invention and the effects of the present invention are fully understood, but the above described embodiments are merely preferred embodiments of the present invention, and the invention may not be limited thereto. Included within the scope of the present invention are the scope of the present invention.

(1) ‧‧‧ frame

(11) ‧ ‧ front

(111A)‧‧‧First bracket

(112)‧‧‧second bracket

(113A)‧‧‧ Third bracket

(114A)‧‧‧Extension rod

(12) ‧ ‧ rear

(2A)‧‧‧Left link group

(2B)‧‧‧Right link set

(21A) (21B) ‧ ‧ crank

(211A) ‧‧‧ pivot

(22A) (22B) ‧‧‧ Connecting rod

(23A) (23B) ‧‧‧First rocker

(24A)(24B)‧‧‧Second rocker

(241A) (241B) ‧ ‧ grip

(25A) (25B) ‧‧‧ pedal

(251A) (251B) ‧‧‧Treading

(3) ‧‧‧Adjusting components

(31) ‧‧‧Adjustment wheel

(32A) (32B) ‧ ‧ rotating parts

(33A) (33B) ‧‧‧ Connecting rod

(331A) (331B) ‧‧‧ First pivot end

(332A) (332B) ‧‧‧Second pivotal end

(C) ‧‧‧Sports

(C1) ‧ ‧ support itinerary

(C2)‧‧‧Traveling

(S1) ‧ ‧ first end

(S2) ‧ ‧ second end

(S3) ‧ ‧ third end

Claims (5)

An elliptical exercise machine with a link type adjustment assembly, comprising: a frame body; a pair of link groups each comprising a crank, a link, a first rocker, a second rocker and a pedal One end of the crank is pivotally connected to the frame body, and the other end of the crank is pivotally connected to one end of the connecting rod. The first rocker is respectively pivotally connected to the frame body and the other end of the connecting rod, the second rocker Pivoting the frame body and the stepping rod respectively, the stepping rod pivotally connecting the connecting rod, so that the stepping rod is respectively pulled by the second rocker and the connecting rod along a supporting stroke and connecting one of the supporting strokes Swinging to form a closed motion stroke; and an adjustment assembly comprising an adjustment wheel, a pair of rotating members and a pair of connecting rods pivotally disposed at a predetermined portion of the frame body, the pair of rotating members One end is fixed to the pivot of the crank, such that one end of the pair of rotating members is pivotally disposed at another predetermined position of the frame, and there is a space between the predetermined portion and the other predetermined portion, and the length of the pair of connecting rods is More than the spacing, the two ends of the pair of connecting rods are respectively pivotally connected to the adjusting wheel and the rotating member to be When the stepping rod is in the supporting stroke, the rotating wheel is driven by one of the connecting rods to rotate the shaft of the adjusting wheel, and the adjusting wheel is driven by another connecting rod and another rotating member. A pedal to the span. An elliptical exercise machine with a link type adjustment assembly according to claim 1, wherein the frame body includes a front portion and a rear portion opposite to the front portion, and the front portion is provided with a pair of first brackets and a first portion a second bracket, the pair of first brackets are respectively pivoted for the pivot of the pair of link sets and the second rocker, the second bracket is located between the pair of first brackets, and the second bracket is relatively close to the front portion The second bracket is pivoted for the adjusting wheel of the adjusting component, and the rear portion is provided with a pair of third brackets, and the pair of third brackets are respectively pivoted for the first rocker of the pair of connecting rod sets. An elliptical exercise machine with a link adjustment assembly according to claim 2, wherein the pair of third brackets each have an extension rod connected to the first bracket of the frame body. An elliptical exercise machine with a link type adjusting assembly according to the second aspect of the invention, wherein the adjusting wheel has a first side and a second side opposite to the first side, and a shaft is connected to the first side and The second side defines a swing space between the first side and the second side, and the shaft of the adjusting wheel is mounted on the second bracket of the frame body. An elliptical exercise machine with a link adjustment assembly according to claim 1, wherein the second rocker is pivotally connected to the pedal at one end, and the other end of the second rocker is provided with a grip.