TWM652297U - Magnetic resistance leg lift machine - Google Patents

Abstract

A magnetically controlled resistance leg lift machine, which consists of a base with an armrest at the front and rear sections. An armrest frame and a seat frame set, the seat frame set is provided with a seat and a first end of a driving rod is pivoted on each side of the seat frame, and a pedal is pivoted at the second end of the driving rod, and through the seat frame A linkage mechanism is provided on the rear side of the group to link the two driving rods, so that the two driving rods use the pivot point of the seat frame group to swing forward and backward in an arc-shaped trajectory in an interactive manner. At the same time, a linkage mechanism is provided on each side of the base. Swing components, one end of each swing component is pivotally connected to the first end of the drive rod on the same side, and the other end is linked to a magnetically controlled resistance mechanism with multiple pulley sets. The magnetically controlled resistance mechanism is installed in the front section of the base and provides resistance to the Swing assembly; thereby, when the user steps on the two driving rods, the user can achieve a greater resistance effect with a greater speed ratio generated by the multiple pulley sets.

Description

Magnetic resistance leg lift machine

This invention relates to a magnetically controlled resistance leg-raising machine, which refers to a leg-raising fitness equipment with a resistance effect when performing interactive leg swing fitness.

According to the conventional leg lift machine, as shown in the patent certificate numbers M469091, I573614, and I766793, it probably includes a base, a front armrest bracket, a frame, a driving mechanism, a magnetically controlled resistance mechanism, and a linkage mechanism. The driving mechanism consists of two actuating rods with one end swingably coupled to two sides of the base frame and two pedals pivoted at the other end. A sprocket and a chain are respectively assembled between the two sides of the base frame and one end of the two actuating rods. The magnetic The resistance control mechanism can be driven in one direction by the sprocket and generate a resistance, and the linkage mechanism can allow reverse swing between the two actuating rods. However, it has the following shortcomings: (1) The cost of the chain is too high, and it takes time to calibrate and adjust the meshing with the sprocket smoothly, resulting in long assembly time and high cost of the whole machine. (2) As shown in the patent certificate numbers M469091 and I573614, the magnetically controlled resistance mechanism is a two-way direct induction eddy current type and has no inertia, which has the disadvantage that users are not accustomed to using it.

Therefore, how to use new structural types to truly improve the above shortcomings and conduct research and development to improve the structure are actually the goals that the relevant industries need to work hard on.

In view of the fact that the conventional leg lift machine has a chain that is too expensive, and it takes time to calibrate and adjust the mesh with the sprocket for smooth rotation, which results in a long assembly time and high cost of the whole machine, and a two-way eddy current type magnetic control resistance with no inertia. Mechanism makes it difficult for users to use it and makes it difficult to sell.

This invention provides a magnetically controlled resistance leg raising machine, which includes:

A base has an armrest frame and a frame group respectively erected at its front and rear sections. A connecting rod is connected between the armrest frame and the seat frame group. The seat frame group further includes a front upright pole and a rear upright pole. The armrest frame is provided with an armrest and a support rod;

A seat is provided on the seat frame group;

Two driving rods are connected with a first end and a second end, and each first end is pivoted on both sides of the seat frame group as a rotation fulcrum to swing forward and backward in an arc-shaped trajectory, and the second end is A pedal is pivoted;

A linkage mechanism includes a swing base and two linkage rods. The swing base is pivotally mounted on the seat frame to swing symmetrically left and right. The lower end of each linkage rod is pivotally connected to the left and right sides of the swing base, and its lower end is pivoted to the left and right sides of the swing base. The upper end is pivotally connected to the first end of each driving rod, so that the two driving rods swing forward and backward through the swing seat in a mutually limiting manner;

Two swing assemblies are arranged on both sides of the base, and are respectively pivotally connected to the first end of each driving rod by the upper end of a rear swing rod, and the lower end of the rear swing rod is pivotally connected to a pivot piece, which is pivoted The piece is then pivoted to the rear end of the swing rod;

A magnetically controlled resistance mechanism is disposed on both sides of the front section of the base, and is linked by the front ends of the two lower swinging rods, and provides resistance to the two lower swinging rods. The magnetically controlled resistance mechanism at least includes a pivot device. A first pulley, a first rotating wheel, a third pulley, a third rotating wheel on one side of the base, a second pulley, a second rotating wheel, and a third rotating wheel pivoted on the other side of the base. Four rotating wheels, a magnetic control wheel, and a magnetic seat located on both sides of the magnetic wheel periphery. The first rotating wheel and the second pulley rotate on the same axis, and the second rotating wheel and the third pulley rotate on the same axis. The system rotates on the same axis, the third rotating wheel and the magnetic control wheel system rotate on the same axis, the first pulley and the first rotating wheel co-circulate a first transmission belt, and the second pulley and the second rotating wheel rotate on the same axis. The wheels are co-circled around a second transmission belt, and the third pulley and the third rotating wheel are co-circled around a third transmission belt, and the first pulley and the fourth rotating wheel system have the same axis and are respectively pivoted with a crank. , each crank is pivotally connected to the front end of the lower swing rod on the same side.

The effect of this creation is:

The linkage-type linkage mechanism is quick and easy to assemble, has low component and assembly costs, and the price of the whole machine is low, making it easy to be favored by buyers and consumers. In addition, the multiple pulley sets of the magnetically controlled resistance mechanism can be matched with magnetically controlled wheels to expand the speed ratio. , increase resistance, high stability and easy to adjust and maintain, and the magnetic wheel will generate inertia when rotating, which is a sports mode that athletes are more accustomed to using.

10: base

11: armrest

12: Seat frame set

121:Front pole

122:Rear pole

13:Connecting rod

14:Support rod

15: handrail

16: Crossbar

17: Crossbar

18:Control Panel

19: Seat

20:Driving rod

201: first end

202:Second end

203:Shu Er

30:pedal

40: Linkage mechanism

41:Swing seat

42: Linking rod

50:Swing component

51:Rear swing bar

52: Pivot joint

53:Lower swing rod

60: Magnetic resistance mechanism

61:First pulley

62:First rotating wheel

63:First drive belt

64:Second pulley

65:Second rotating wheel

66: Second drive belt

67:Third pulley

68:The third rotating wheel

69:Third drive belt

70:The fourth rotating wheel

71:Magnetic wheel

72:Magnetic base

74:Crank

81: First idler adjustment assembly

82: Second idler adjustment assembly

83:Third idler adjustment assembly

90: Swing grip

91: Pivot rod

100:Controller

Figure 1 is a three-dimensional assembled view of the first embodiment of this invention.

Figure 2 is a three-dimensional combination view from another perspective of the first embodiment of the present invention.

Figure 3 is a three-dimensional exploded view of the first embodiment of this invention.

Figure 4 is a rear view of the linkage mechanism of the first embodiment of the present invention (with the rear pole removed).

Figure 5 is a partially enlarged perspective view of the first embodiment of this invention.

Figure 6 is a partially enlarged view from another perspective of the first embodiment of the present invention.

Figure 7 is a schematic diagram of the use of the first embodiment of this invention.

Figure 8 is a three-dimensional combination view of the second embodiment of this invention.

Figure 9 is a three-dimensional combination view from another perspective of the second embodiment of the present invention.

Figure 10 is a three-dimensional exploded view of the second embodiment of the invention.

Figure 11 is a schematic diagram of the second embodiment of the invention.

In order to enable your review committee to have a further understanding of the purpose, characteristics and functions of this creation, please use the [Brief Description of Drawings] to enumerate examples. Detailed descriptions are as follows:

First, as shown in the first embodiment in Figures 1 to 7, the present invention is a magnetically controlled resistance leg raising machine, which includes:

A base 10 has an armrest frame 11 and a frame group 12 respectively erected at its front and rear sections, and a crossbar 16, 17 that can be placed flat on the ground is fixed at its front and rear ends. The armrest frame 11 and the base are A connecting rod 13 is connected between the frame groups 12. The armrest frame 11 is provided with an armrest 15, a control panel 18, and a support rod 14. The seat frame group 12 further includes a front vertical pole 121 and a rear vertical pole. 122;

A seat 19 is provided on the front upright pole 121;

The two driving rods 20 each have a first end 201 and a second end 202, and each uses the first end 201 pivoted on both sides of the seat frame group 12 as a rotation fulcrum to swing forward and backward in an arc-shaped arc. And the second end 202 is pivoted with a pedal 30, and the first end 201 extends with a pivot ear 203;

A linkage mechanism 40 includes a swing base 41 and two linkage rods 42. The swing base 41 is in the left direction. The lower end of each linking rod 42 is pivotally connected to the left and right sides of the swing seat 41, and its upper end is pivotally connected to the pivot ear 203 of each driving rod 20, so that the two The driving rod 20 swings in a forward and backward interactively limiting manner through the swing seat 41;

Two swing assemblies 50 are disposed on both sides of the base 10 , and are respectively pivotally connected to the pivot ears 203 of each drive lever 20 by a rear swing rod 51 at its upper end, and a pivot member 52 at the lower end of the rear swing rod 51 . , the pivot member 52 is pivoted to the rear end of the swing rod 53, wherein the two pivot members 52 are swingably pivoted on both sides of the connecting rod 13 respectively;

A magnetically controlled resistance mechanism 60 is provided on both sides of the front section of the base 10 and is linked by the front ends of the two lower swing rods 53 and provides resistance to the two lower swinging rods 53. The magnetically controlled resistance mechanism 60 at least includes A first pulley 61 pivoted on one side of the base 10, a first rotating wheel 62, a third pulley 67, a third rotating wheel 68, and a second pulley 64 pivoted on the other side of the base , a second rotating wheel 65, a fourth rotating wheel 70, a magnetic control wheel 71, and a magnetic base 72 located on both sides of the periphery of the magnetic control wheel 71. The magnetic base 72 is provided with magnets, wherein the first The pulley 61 and the first rotating pulley 62 co-circulate a first transmission belt 63, the second pulley 64 and the second rotary pulley 65 co-circulate a second transmission belt 66, and the third pulley 67 and the third rotary pulley 67 co-circulate a second transmission belt 66. The wheels 68 co-circulate a third transmission belt 69, and the first pulley 61 and the fourth rotating wheel 70 are at the same axis and are respectively provided with a crank 74. Each crank 74 is pivotally connected to the lower swing on the same side. front end of rod 53;

Through the above components, when the lower swing rod 53 swings, the first pulley 61 and the fourth rotating wheel 70 are sequentially rotated through the crank 74, and the first rotating wheel 62 is synchronously driven to rotate. The first rotating wheel 62 The second pulley 64 is synchronously driven to rotate with the same axis. The second pulley 64 is synchronously driven to rotate the second rotating wheel 65. The second rotating wheel 65 is synchronously driven with the same axis. When the third pulley 67 rotates, the third pulley 67 drives the third rotating wheel 68 to rotate synchronously, and the third rotating wheel 68 synchronously drives the magnetic control wheel 71 with the same axis to rotate. When the magnetic control wheel When the magnetic wheel 71 rotates, the magnetic base 72 provides magnetic resistance to the magnetic control wheel 71 .

The upper end of the linking rod 42 and the upper end of the rear swing rod 51 are pivotally connected to the pivot ear 203 with the same axis.

Among them, the first pulley 61, the first rotating pulley 62, the second pulley 64, and the fourth rotating pulley 70 are pivoted on the connecting rod 13, and the second rotating pulley 65, the third pulley 67, and the third rotating wheel 68. The magnetic control wheel 71 and the magnetic base 72 are pivotally installed on the armrest frame 11 .

The armrest 11 is provided with a controller 100 , and the controller 100 pulls the magnetic base 72 through a rope, causing the magnetic base 72 to swing toward or away from the magnetic wheel 71 .

Among them, the connecting rod 13 is provided with a first idler adjustment component 81 to press against the first transmission belt 63, and the armrest frame 11 is provided with a second idler adjustment component 82 and a third idler adjustment component 83 to respectively press the The second transmission belt 66 and the third transmission belt 69 .

Among them, as shown in Figures 8 to 11, a lower section of a swing handle 90 is pivoted on both sides of the support rod 14, and the lower end of the swing handle 90 is pivotally connected to the front end of a pivot rod 91, and the pivot rod 91 The rear end is pivotally connected to the crank 74 .

Based on the above structure and composition design, the usage of this creation is explained as follows:

(1) First, as shown in the first embodiment shown in Figures 1 to 7, during use, hold the armrest 15 with both hands and step on the pedal 30 with both feet, and sit on the seat 19 to perform interactive lifting. When the legs move, the linkage mechanism 40 on the rear vertical rod 122 swings symmetrically left and right, causing the two driving rods 20 to swing in an arc-shaped trajectory with opposite stops; at the same time, when the two driving rods 20 swing, Linked in sequence The swing assembly 50 then links the swing rod 51 , the pivot member 52 , and the lower swing rod 53 to rotate all components of the magnetic resistance mechanism 60 , and the magnetic base 72 attracts the magnetic wheel 71 to rotate. Resistance is generated, and the larger speed ratio generated by the multiple pulley sets is fed back to the two drive rods 20 in reverse order, so that the athlete feels greater resistance when exerting force to swing the two drive rods 20, so as to reach the legs. The physical fitness effect of the body.

(2) Secondly, in the second embodiment shown in Figures 8 to 11, in addition to the above description (1), a swing handle 90 is added to each side of the armrest frame 11 for both hands to hold. , the two swing handles 90 also alternately swing back and forth through the swing of the crank 74 .

Through the structure of the above-mentioned specific embodiment, this invention can obtain the following benefits:

(1) In both the first and second embodiments, interactive leg raising movements can be used to effectively stretch the hips, knees, ankle joints, and stretch core muscle groups such as the abdominal and buttock muscles.

(2) In the second embodiment, in addition to retaining the advantages described in (1), the hands can also be used to swing back and forth interactively to stretch the forearm, upper arm, triceps and other muscle groups. Therefore, it can be decided according to the buyer or market demand whether to install two additional swing grips 90 to obtain a larger sales market.

(3) The connecting rod type linkage mechanism 40 is fast and easy to assemble, has low component and assembly costs, and the price of the whole machine is quite competitive, making it easy to be favored by buyers and consumers.

(4) The magnetic resistance mechanism 60 is a multiple pulley set with a magnetic control wheel 71, which can expand the speed ratio, increase resistance, has high stability and is easy to adjust and maintain; and the magnetic control wheel 71 will have inertia when rotating. It is a sports mode that athletes are more accustomed to using.

To sum up, this invention can effectively solve the deficiencies of conventional inventions, and can be easily understood and implemented by those with ordinary knowledge in the technical field. However, the above is only one of the preferred embodiments of this invention. It should not be used to limit the scope of implementation of this invention; that is, all equivalent changes and modifications made based on the patentable scope of this invention should still be within the scope of this invention's patent.

10: base

11: armrest

12: Seat frame set

121:Front pole

122:Rear pole

13:Connecting rod

14:Support rod

15: handrail

16: Crossbar

17: Crossbar

18:Control Panel

19: Seat

20:Driving rod

201: first end

202:Second end

203:Shu Er

30:pedal

40: Linkage mechanism

41:Swing seat

42: Linking rod

50:Swing component

51:Rear swing bar

52: Pivot joint

53:Lower swing rod

60: Magnetic resistance mechanism

61:First pulley

62:First rotating wheel

63:First drive belt

67:Third pulley

68:The third rotating wheel

69:Third drive belt

71:Magnetic wheel

72:Magnetic base

74:Crank

81: First idler adjustment assembly

83:Third idler adjustment assembly

100:Controller

Claims (10)

A magnetically controlled resistance leg raising machine, including: A base has an armrest frame and a frame group respectively erected at its front and rear sections. A connecting rod is connected between the armrest frame and the seat frame group. The seat frame group further includes a front upright pole and a rear upright pole. The armrest frame is provided with an armrest and a support rod; A seat is provided on the seat frame group; Two driving rods are connected with a first end and a second end, and each first end is pivoted on both sides of the seat frame group as a rotation fulcrum to swing forward and backward in an arc-shaped trajectory, and the second end is A pedal is pivoted; A linkage mechanism includes a swing base and two linkage rods. The swing base is pivotally mounted on the seat frame to swing symmetrically left and right. The lower end of each linkage rod is pivotally connected to the left and right sides of the swing base, and its lower end is pivoted to the left and right sides of the swing base. The upper end is pivotally connected to the first end of each driving rod, so that the two driving rods swing forward and backward through the swing seat in a mutually limiting manner; Two swing assemblies are arranged on both sides of the base, and are respectively pivotally connected to the first end of each driving rod by the upper end of a rear swing rod, and the lower end of the rear swing rod is pivotally connected to a pivot piece, which is pivoted The piece is then pivoted to the rear end of the swing rod; A magnetically controlled resistance mechanism is disposed on both sides of the front section of the base and is linked by the front ends of the two lower swinging rods and provides resistance to the two lower swinging rods. The magnetically controlled resistance mechanism at least includes a pivot located on the base. A first pulley, a first rotating wheel, a third pulley, a third rotating wheel on one side of the base, a second pulley, a second rotating wheel, and a fourth rotating wheel pivoted on the other side of the base , a magnetic control wheel, and a magnetic seat located on both sides of the periphery of the magnetic control wheel, wherein the first rotating wheel and the second pulley system rotate on the same axis, and the second rotating wheel and the third pulley system rotate on the same axis. The axis rotates, the third rotating wheel and the magnetic control wheel train rotate on the same axis, the first pulley and the first rotating wheel co-circulate a first transmission belt, and the second pulley and the second rotating wheel The driving pulley is co-circled around a second transmission belt, and the third pulley and the third rotating wheel are co-circled around a third transmission belt, and the first pulley and the fourth rotating wheel train have the same axis and are respectively provided with a crank. , each crank is pivotally connected to the front end of the lower swing rod on the same side. According to the magnetically controlled resistance leg lift machine described in item 1 of the patent application, the seat is arranged on the front upright pole. According to the magnetically controlled resistance leg lift machine described in item 1 of the patent application, the swing base is pivotally mounted on the rear upright pole. According to the magnetically controlled resistance leg lift machine described in item 1 of the patent application, the first end of the driving rod extends with a pivot ear, and the upper end of the linking rod and the upper end of the rear swing rod are pivoted to the same axis. pivot ear. According to the magnetically controlled resistance leg lift machine described in item 1 of the patent application, the two pivoting parts are swingably pivoted on both sides of the connecting rod respectively. According to the magnetically controlled resistance leg raising machine described in item 1 of the patent application, a magnet is provided in the magnetic base. According to the magnetically controlled resistance leg lift machine described in item 1 of the patent application, the first pulley, the first rotating wheel, the second pulley, and the fourth rotating gear train are pivoted on the connecting rod, and the third rotating gear train is pivoted on the connecting rod. The two rotating wheels, the third pulley, the third rotating wheel, the magnetic control wheel and the magnetic base are pivoted on the armrest frame. According to the magnetically controlled resistance leg lift machine described in item 1 of the patent application, a controller is provided on the handrail frame, and the controller pulls the magnetic base through a rope to cause the magnetic base to swing closer to or away from the Magnetic wheel. According to the magnetically controlled resistance leg lift machine described in item 1 of the patent application, the connecting rod is provided with a first idler adjustment component to press against the first transmission belt, and the armrest frame is provided with a second idler adjustment component and a third idler adjustment component respectively pressing against the second transmission belt and the third transmission belt. Move the belt. According to the magnetically controlled resistance leg lift machine described in item 1 of the patent application, a lower section of the swing handle is pivoted on both sides of the support rod, and the lower end of the swing handle is pivoted to the front end of a pivot rod, and The rear end of the pivot rod is pivotally connected to the crank.

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