TW202308730A - Leg training machine can effectively train the muscle strength and explosive power of the leg muscles for running and sprinting - Google Patents

Abstract

A leg training machine comprises a frame including a base, a front support frame, and a rear support frame, in which the front support frame is provided with a handle; a driving mechanism including two actuating rods, two pedals, two sprockets, two chains and two driving elastic bodies, in which one end of each of the two actuating rods is swingably connected to two sides of the rear support frame, the two pedals are pivotally disposed on the other ends of the two actuating rods, the two sprockets are connected to two sides of the rear support frame, the two chains are wound around the two sprockets and are connected to the two actuating rods with ends, and the two driving elastic bodies with one end connecting to the other end of the two chains for providing the restoring force after the two chains are pulled; a resistance mechanism driven unidirectionally by the two sprockets and generating a resistance; and a linkage mechanism that can link the actuating rod on the other side to swing up when the actuating rod on one side swings down. Accordingly, the muscle strength and explosive power of the leg muscles for running and sprinting can be effectively trained.

Description

leg training machine

The invention relates to the technical field of the structure of a leg training machine, especially a leg training machine that can effectively exercise the muscle strength and explosive power of the leg muscles during running and sprinting.

The use of sports and fitness training equipment can effectively solve the problems caused by factors such as weather or venues. Among the various sports and fitness training equipment on the market, steppers and treadmills are the most common sports and fitness for exercising leg muscles. Training equipment, which can not only consume calories, but also exercise lung capacity. However, general steppers and treadmills all focus on the uniform exercise of most of the leg muscles when walking or running. For athletes or other athletes, when they exercise running and sprinting, they focus on the muscles of most of the leg muscles. The effect of power and explosive power is very limited.

In view of this, the present inventors aimed at the above-mentioned problems, conceived deeply, and actively researched and improved trial production to develop and design the present invention.

The main purpose of the present invention is to effectively exercise the muscular strength and explosive force of the leg muscles that are important when running and sprinting.

The invention provides a leg training machine, which includes a frame, a driving mechanism, a resistance mechanism and a linkage mechanism. Wherein, the frame includes a base, a front support and a rear support combined on the front and rear sides of the base, and a handle is provided on the front support for the user's hands to lean on. The driving mechanism includes two actuating rods, two pedals, two sprockets, two chains and two driving One end of the two actuating rods is swingably combined with the left and right sides of the rear bracket, the two pedals are respectively pivotally arranged at the other end of the two actuating rods, and the two chain wheels are rotatably combined in the On the left and right sides of the rear bracket, the two chains are wound on the two sprockets, and one end is combined on the two actuating rods, which can be pulled by the two actuating rods to drive the two sprockets to rotate. One end of the elastic system is combined with the other end of the two chains, and the other end is combined with the base, which can provide the restoring force after the two chains are pulled. The resistance mechanism is arranged on the rear bracket and can be driven in one direction by the two sprockets to generate a resistance. The linkage mechanism is combined between the base and the two actuating rods, and can be used to link the actuating rod on the other side to swing up when the actuating rod on one side swings down.

In the leg training machine provided by the present invention, the user can put both hands on the handrail, step on the two pedals with both feet to form a running and sprinting posture, and then use both feet to go down alternately. The pedaling makes the two actuating rods swing up and down, and then the resistance mechanism is linked by the two chains. Using the rotational resistance formed by the resistance mechanism, the muscle strength and explosive power of the leg muscles can be effectively exercised when running and sprinting.

10: Rack

11: base

12: Front bracket

120: handle

121: Resistance controller

13: Rear bracket

130: Cushion

20: Driving mechanism

21: Actuating lever

22: Pedal

23: sprocket

24: chain

25: drive elastomer

26: guide wheel

27: Block

30: resistance mechanism

31: The first pulley

32: Second pulley

320: The first small pulley

33:Magnetic control flywheel

330: The second small pulley

34: belt

35: tension wheel

350: arm swing

351: tension elastic body

40: linkage mechanism

41: Rotary arm

42: Linkage

43: Connecting rod

[Fig. 1] is a three-dimensional schematic view of the present invention.

[Fig. 2] is a schematic perspective view of the other side of the present invention.

[Fig. 3] is a schematic side view of the present invention.

[Fig. 4] is a plane enlarged schematic view of the resistance mechanism of the present invention.

[Fig. 5] is an enlarged schematic view of the other side of the resistance mechanism of the present invention.

[Fig. 6] is a plane enlarged schematic view of the linkage mechanism of the present invention.

[Fig. 7] is a plane enlarged schematic view of the other side of the linkage mechanism of the present invention.

Please refer to Fig. 1 to Fig. 7, which show that the leg training machine of the present invention includes a frame 10, a driving mechanism 20, a resistance mechanism 30 and a linkage mechanism 40, wherein:

The frame 10 includes a base 11 and a front bracket 12 and a rear bracket 13 combined at the front and rear sides of the base 11 . The front support 12 is provided with a handrail 120 for the user to lean on with both hands, and the upper end of the rear support 13 is provided with a seat cushion 130 for the user to sit on. In addition, a resistance controller 121 is provided on the front bracket 12 for controlling the resistance of the resistance mechanism 30 .

The driving mechanism 20 includes two actuating rods 21 , two pedals 22 , two sprockets 23 , two chains 24 , two driving elastic bodies 25 and two blocks 27 . One end of the two actuating rods 21 is swingably combined with the left and right sides of the rear bracket 13 . The two pedals 22 are respectively pivotally mounted on the other ends of the two actuating rods 21 . The two sprockets 23 are rotatably combined on the left and right sides of the rear bracket 13 . The two chains 24 are wound around the two sprockets 23 , and one end is combined with the two actuating rods 21 , and can be pulled by the two actuating rods 21 to drive the two sprockets 23 to rotate. The two driving elastic bodies 25 are tension springs, one end of which is combined with the other end of the two chains 24, and the other end is combined with the base 11 to provide the restoring force after the two chains 24 are pulled. And the two chains 24 can utilize the two guide wheels 26 wound around the two actuating rods 21 to limit the elastic expansion and contraction directions of the two driving elastic bodies 25 . The two stoppers 27 are arranged on the left and right sides of the rear support, which can be respectively blocked on one side of the two actuating rods 21 to limit the maximum swinging range of the two actuating rods 21 downward.

The resistance mechanism 30 is arranged on the rear support 13 and can be driven by the two actuating rods 21 to generate a resistance. The resistance mechanism 30 includes a first pulley 31 , a second pulley 32 , a magnetron flywheel 33 and two belts 34 . The first pulley 31 is arranged on the rear bracket 13 and is coaxial with the two sprockets 23 , and can be driven by the two sprockets 23 to rotate in one direction. The second pulley 32 is rotatably It is arranged on the rear bracket 13 and is located below the first pulley 31 , and a first small pulley 320 is coaxially arranged on one side of the second pulley 32 . The magnetic control flywheel 33 is rotatably arranged on the rear support 13, and is located below the second pulley 32, and a second small pulley 330 is coaxially arranged on one side of the magnetic control flywheel 33, and the magnetic control flywheel 33 can use the resistance controller 121 to control the magnetic force to generate a rotational resistance. The two belts 34 are wound around the first pulley 31 and the first small pulley 320 and the second pulley 32 and the second small pulley 330 respectively. And these two belts 34 can respectively utilize two tension pulleys 35 to be elastically pressed on one side to form a better tension force, and the two tension pulleys 35 are then combined on the rear support 13 with two swing arms 350 respectively, and the two swing arms 350 The upper system is combined with two tension elastic bodies 351 to provide elastic force for the two tension pulleys 35 to press against the two belts 34 one side. The two tension elastic bodies 351 can be tension springs.

The linkage mechanism 40 is connected between the base 11 and the two actuating rods 21 , so that the actuating rod 21 on one side swings downwards and drives the actuating rod 21 on the other side to swing up. The linkage mechanism 40 includes two swing arms 41 , a linkage 42 and two linkages 43 . One end of the two swing arms 41 is swingably combined with the base 11 . The linkage 42 is connected to the two swing arms 41 , so that when one swing arm 41 swings down, the other swing arm 41 swings up. The upper ends of the two connecting rods 43 are rotatably connected to the two actuating rods 21 , and the lower ends are rotatably connected to the other ends of the two swing arms 41 , so that the two connecting rods 43 can drive the two swing arms 41 to swing.

In this way, the user can put both hands on the handrail 120 and step on the two pedals 22 with both feet, so as to form a posture of running and sprinting. Then, the two actuating rods 21 swing up and down by stepping down alternately with both feet, and then the magnetron flywheel 33 of the resistance mechanism 30 is driven through the two chains 24 to rotate, and the magnet distance is used to control the rotation of the magnetron flywheel 33 Resistance can effectively exercise the muscle strength and explosive power of the leg muscles when running and sprinting. And the cushion 130 on this frame 10 then can be used for training For rest during practice.

Therefore, the present invention has great value for industrial use, novelty and advancement, and can truly meet the application requirements for invention patents, so please file an application according to the law.

10: Rack

11: base

12: Front bracket

120: handle

121: Resistance controller

13: Rear bracket

130: Cushion

20: Driving mechanism

21: Actuating lever

22: Pedal

23: sprocket

24: chain

25: drive elastomer

26: guide wheel

27: Block

30: resistance mechanism

40: linkage mechanism

Claims (9)

A leg training machine comprising: A frame, including a base, a front support and a rear support combined on the front and rear sides of the base, and a handle is provided on the front support for the user's hands to lean on; A driving mechanism includes two actuating rods, two pedals, two sprockets, two chains and two driving elastic bodies. Located at the other end of the two actuating rods, the two sprockets are rotatably combined on the left and right sides of the rear bracket, the two chains are wound on the two sprockets, and one end is combined with the two actuating On the rod, it can be pulled by the two actuating rods to drive the two sprockets to rotate. One end of the two driving elastic systems is combined with the other end of the two chains, and the other end is combined with the base, which can provide the two chains after being pulled. the resilience of a resistance mechanism, which is arranged on the rear bracket, can be driven in one direction by the two sprockets and generate a resistance; and A linkage mechanism is combined between the base and the two actuating rods, which can be used to link the actuating rod on the other side to swing up when the actuating rod on one side swings down. The leg training machine as described in claim 1, wherein a cushion is provided on the upper end of the rear support for the user to sit on. The leg training machine as claimed in claim 1, wherein a resistance controller is provided on the front bracket to control the resistance of the resistance mechanism. The leg training machine as claimed in item 1, wherein the two driving elastic systems are tension springs. The leg training machine as described in claim 1, wherein the two chains can be used The elastic expansion and contraction directions of the two driving elastic bodies are limited by the two guide wheels wound on the two actuating rods. The leg training machine as described in claim 3, wherein the resistance mechanism includes a first pulley, a second pulley, a magnetron flywheel and two belts, the first pulley is arranged on the rear support and is connected to the two chains The wheels are coaxial and can be driven by the two sprockets to rotate in one direction. The second pulley system is rotatably arranged on the rear bracket, and a first small pulley is coaxially arranged on one side of the second pulley. The magnetically controlled flywheel system can It is rotatably arranged on the rear bracket, and a second small pulley is coaxially arranged on one side of the magnetron flywheel, and the magnetron flywheel system can use the resistance controller to control the magnetic force to generate a rotation resistance, and the two belts are respectively wound around On the first pulley and the first small pulley and on the second pulley and the second small pulley. The leg training machine as described in Claim 6, wherein the two belts can be elastically pressed on one side by two tension wheels to form a better tension, and the two tension wheels are respectively connected to the rear bracket by two swing arms Above, the two swing arms are combined with two tension elastic bodies to provide the elastic force that the two tension pulleys are pressed to one side of the two belts. The leg training machine as described in Claim 1, wherein the linkage mechanism includes two swing arms, a linkage and two links, one end of the two swing arms is swingably combined with the base, and the linkage is connected to the On the two swing arms, when one swing arm swings down, the other swing arm swings up. The upper ends of the two connecting rods are rotatably connected to the two actuating rods, and the lower ends are rotatably connected to the other end of the two swing arms. , so that the two connecting rods can drive the two swing arms to swing. The leg training machine as described in claim 1, wherein the driving mechanism includes two stops, and the two stops are arranged on the left and right sides of the rear bracket, which can be divided into Do not block one side of the two actuating rods to limit the downward maximum swing of the two actuating rods.

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