TWI616222B - Multifunctional leg training machine - Google Patents

Abstract

A multifunctional leg training machine that allows the user to maintain a correct training posture and achieve the effect of training muscle groups in different parts. The multifunctional leg trainer includes: a frame, a load mechanism, an abutment pad or a bottom plate; the load mechanism is disposed on the frame and provides a downward load weight; and an abutment pad is disposed thereon The bottom plate is connected to the frame, and has a first portion and a second portion that are disposed at a predetermined angle or have a height difference; thereby, the back or the chest of the user abuts against the yoke The cushions are used to maintain the correct training posture, and the user performs training in different postures, stepping on the first or second part of the bottom plate, and the effect of training different muscle groups of the legs can be achieved.

Description

Multifunctional leg training machine

The invention relates to fitness equipment; in particular to a multifunctional leg training machine capable of training different muscle groups of the legs.

In order not only to maintain health, but also to pursue a better posture, modern people often use a variety of exercise devices to enhance the muscles of specific parts of the training. The early weight training method for the legs was to put the barbell on the shoulder and perform the training of the leg muscles by parallel squatting. However, the single training exercise can only train the local muscles, and there is no safety facility during the training. When the user is unbearably heavy, it is very likely to be crushed by the barbell.

In order to solve the above security problems, the Smith machine has been born. The Smith trainer includes a frame and a barbell fixed in the rail of the frame, and the rail is further provided with a plurality of grooves. The user only needs to twist the wrist to fix the barbell to the groove of the rail, reduce the risk of the barbell falling and crushing the user, and improve the safety of the training; however, the barbell is limited to vertical movement, and the user can only train the local muscles. .

In order to enable users to perform various squatting exercises and achieve the effect of training different muscle groups, a multifunctional leg trainer has been developed, which can be longitudinally and laterally slid by a frame and a frame. The weight-bearing mechanism allows the user's body to perform horizontal and vertical mixed training exercises, such as squat posture, lunge posture or calf-raise posture, for the user to exercise different parts of the leg. Muscle group.

Although the above-mentioned leg training machine allows the user to perform lateral exercise training, the posture in which the user can perform training and the muscle group to be exercised are still very limited.

Another problem that other users often encounter is that as the user's weight increases or the training time increases, the user often unconsciously picks up the upper body, often causing sports injuries due to poor posture. However, the conventional training machine cannot make the user Maintaining in the correct posture is a big worry for the user.

In view of the above, it is an object of the present invention to provide a multifunctional leg training machine that allows a user to train different leg muscle groups.

In order to achieve the above object, another multifunctional leg trainer provided by the present invention comprises: a frame comprising a fixed frame and a movable frame, wherein the movable frame is movable relative to the fixed frame; Provided on the offset end of the movable frame and providing a downward load weight; a bottom plate connected to the fixed frame, the bottom plate includes a first portion and a second portion, and the first portion and the second portion are sandwiched Set a preset angle or have a height difference.

The effect of the invention is that the first portion and the second portion are disposed at a predetermined angle or have a height difference, so that the user can step on the first portion of the bottom plate and can be trained when stepping on the second portion of the bottom plate. Muscles with different legs.

Another object of the present invention is to provide a multifunctional leg training machine that allows the user to maintain training in the correct posture.

In order to achieve the above object, a multifunctional leg training machine provided by the present invention comprises: a frame comprising a fixed frame and a movable frame, wherein the movable frame is movable relative to the fixed frame; a weight-bearing mechanism is provided The movable frame is provided with a downward load weight; an abutment pad is placed on the movable frame for the user's back or chest to abut.

The effect of the present invention is that the user or the chest abuts against the abutment pad during the use of the multifunctional leg trainer to maintain the correct posture.

In order to explain the present invention more clearly, the preferred embodiment will be described in detail with reference to the drawings. 1 to 3, a multifunctional leg trainer 100 according to a first preferred embodiment of the present invention includes a frame 10, a load-bearing mechanism 20, an abutment pad 30 and a bottom plate 40.

The frame 10 includes a fixed frame 11, two movable frames 12, a support frame 13 and a resetting device 14. The fixing frame 11 includes a vertical frame 111, a certain rod 112, a cross rod 113 and a plurality of positioning members 114 (three positioning members 114a, 114b, 114c in this embodiment), wherein the vertical frame 111 and the fixed rod 112 are from the ground. The upper end of the vertical frame 111 has a pivoting shaft 115, and the top end of the fixed rod 112 has a positioning portion 112a. Further, the central portion of the positioning portion 112a is downwardly recessed and has a socket shape. The two ends of the horizontal rod 113 are respectively connected to the vertical frame 111. And the positioning rod 112 has an upward bearing surface 113a; the positioning member 114 is located on the bearing surface 113a of the crossbar 113, wherein the positioning member 114a is closer to the 112 rod, the positioning member 114c is closer to the vertical frame 111, and the positioning member 114b The positioning member 114a is located between the positioning member 114a and the positioning member 114c, and each positioning member 114 is spaced apart by a predetermined distance.

Each movable frame 12 includes a main pole 121, a first secondary pole 122, a first grip 123 and a second secondary pole 124. The main pole 121 has a pivotal end 121a and an offset end. The offset end is provided with a second grip 121b. The pivot end 121a has a pivot hole (not shown) therethrough, and the pivot of the mount 11 The first shaft 122 is connected to the main rod 121, and the first rod 122 is connected One end is slightly at right angles to the offset end of the main rod 121; one end of the first grip 123 is fixed to the first rod 122; the two ends of the second rod 124 are respectively connected with the first rod 122 and the main rod 121 for reinforcing The structural strength of the main rod 121 and the first rod 122.

The support frame 13 is coupled to the movable frame 12 and abuts against the fixed frame 11. The support frame 13 includes a support rod 131 and a pushing device (not shown); the support rod 131 has a connecting portion 131a, a yaw portion 131b and a pivoting portion between the connecting portion 131a and the yaw portion 131b. The support frame 13 is pivotally connected between the two second secondary rods 124. The yaw portion 131b has a through hole (not shown). The pushing device is a pneumatic cylinder in this embodiment, but The one end is connected to the main rod 121, and the other end has an extension rod 132 connected to the connecting portion 131a of the support rod 131 for driving the support rod 131 to pivot in a first direction relative to the movable frame 12.

The resetting device 14 is configured to be operable to pivot the support frame 13 relative to the movable frame 12 in a second direction, and the second direction is opposite to the first direction. In the present embodiment, the reset device 14 includes a first link 141, a second link 142, a third link 143, a fourth link 144 and a crossbar 145. The first link 141 is pivotally connected to the top side of the main pole 121 of the movable frame 12, and one end forms a grip end 141a, and the other end is pivotally connected to the second link 142. The third link 143 is pivotally connected to the movable frame 12 The primary rod 122 has a grip end 143a at one end and a fourth link 144 at the other end. The crossbar 145 passes through the through hole of the support rod 131, and the two ends are respectively connected to the second link 142 and the fourth link 144. Connected.

The load-bearing mechanism 20 includes two load-bearing members 21 and is located below the offset end of the main rod 121 of each movable frame 12 to provide a downward load weight.

The abutment pad 30 is placed on the first rod 122 of the movable frame 12 for the user's back or chest to abut against the user, and the user is not consciously picking up the upper body with the increase of the weight or the training time, so that the user maintains the Train in the correct posture to reduce the possibility of sports injuries due to poor posture.

The bottom plate 40 is fastened to the ground and has a first portion 41 and a second portion 42. The first portion 41 is connected to the fixed frame 11 and the tread surface 411 is parallel to the ground. The second portion 42 and the first portion are The 41 is connected and inclined upward so that the tread surface 411 of the first portion 41 and the tread surface 421 of the second portion 42 are sandwiched by a predetermined angle.

As shown in FIG. 2 and FIG. 3, when the multifunctional leg trainer 100 is not in use, the yaw portion 131b of the support rod 131 abuts against the positioning portion 112a of the fixed rod 112, so that the movable frame 12 has an elevated setting. At this time, the support rod 131 is in the first state P1.

Please refer to FIG. 4 and FIG. 5 again to disclose the state of use of the multifunctional leg trainer 100. When the user wants to use the multifunctional leg trainer 100 for training, the shoulder frame can be pivoted upward only by pressing the shoulder against the bottom side of the load member 21, and the support frame 131 can be pivoted upward. The positioning portion 112a of the fixed rod 112 is removed. At the same time, the pushing device drives the extension rod 132 to push the top end of the supporting rod 131, so that the supporting rod 131 pivots relative to the movable frame 12 in the first direction with the pivoting portion as the axis. The yaw portion 131b is pivoted toward the vertical frame 111 to be in the second state P2 to avoid the fixed rod 112, so that the movable frame 12 is not interfered when moving relative to the fixed frame 11, and the user can carry the activity at this time. The frame 12 performs sports training for the squatting. In addition, the design of the support rod 131 in the second state P2 avoiding the fixed rod 112 is to prevent the support rod 131 from colliding with the fixed rod 112 during the squat training of the user, thereby improving the user. Safety during exercise.

In addition, as shown in FIG. 2 to FIG. 5, when the support rod 131 is changed from the first state P1 to the second state P2 and away from the positioning portion 112a of the fixed rod 112, the cross bar 145 of the reset device 14 is supported by the rod 131. The second link 142 and the fourth link 144, which are connected to the vertical frame 145, are also deflected and displaced in the direction of the vertical frame 111, thereby driving the first link 141 and the third link. 143 swings. Since the first link 141 and the third link 143 are pivotally connected to the movable frame 12, the grip end 141a of the first link 141 is offset from the first position L1 by the second grip 121b of the main rod 121 to the second position L2. The grip end 143a of the third link 143 is also offset from the first position L1' by the end of the first grip 123 to the second position L2'.

In this way, through the above design, as shown in FIG. 6a to FIG. 6c, the user can press the chest or the back against the abutment pad 30 to perform the squatting action in different postures to exercise the muscle groups of different parts, in addition, The first portion 41 of the bottom plate 40 and the second portion 42 are disposed at a predetermined angle. When the user steps on the tread surface 411 or the tread surface 421 of different angles, the effect of training different muscles of the leg can be achieved.

Then, when the user finishes using the multi-function leg trainer 100, the handle portion 141a is operated to bias the first link 141 toward the second grip 121b, or the grip end 143a is operated to make the third link 143 is biased toward the first grip 123, so that the first link 141 or the third link 143 is restored from the second position L2, L2' to the first position L1, L1', thereby driving the remaining connected links and The cross bar 145 reverts the support bar 131 to the first state P1. More specifically, when the user's last training action is to abut the abutment pad 30 (as shown in FIG. 6a or FIG. 6c), the user can grip the grip end 141a and the second grip 121b with the hand. When the first link 141 is restored from the second position L2 to the first position L1, the support rod 131 can be pivoted in the second direction through the reset device 14 to return to the first state P1 from the second state P2. When the user bends the knee slightly, the movable frame 12 is pivoted downward, and the user can make the support bar 131 abut against the positioning portion 112a without turning back the action of the support bar 131, so that the movable frame 12 is unused. The height setting state. On the other hand, if the last training action of the user is to abut the abutment pad 30 (as shown in FIG. 6b), the grip end 143a and the first grip 123 need only be gripped by the hand, and the grip end 143a is When the grip 123 is moved to return the third link 143 from the second position L2' to the first position L1', the support rod 131 can be driven back from the second state P2 to the first state P1 through the reset device 14.

In addition, referring to FIG. 7, if the support rod 131 has not returned to the first state P1, and the user has bent the knee to pivot the movable frame 12 downward, the yaw portion 131b of the support rod 131 will be pressed against the horizontal direction. When the bearing surface 113a of the rod 113 is adjacent to a positioning member 114, for example, the supporting rod 131 is close to the first state P1, the yaw portion 131b is abutted against the positioning member 114a of the fixed rod 112; the supporting rod 131 is close to the second state P2. The yaw portion 131b abuts against the positioning member 114b so as to fix the movable frame 12 at a predetermined angle, thereby effectively preventing the user from being crushed by the movable frame 12 due to the above situation.

Similarly, during the training process, if the user falls down due to heavy load or other reasons, the movable frame 12 is directly pivoted downward due to the influence of gravity. At this time, the yaw portion 131b of the support rod 131 will abut The bearing surface 113a of the crossbar 113 and the positioning member 114c closer to the vertical frame 111 achieve the effect of fixing the movable frame 12, and the user can be prevented from being crushed by the movable frame 12 and the load-bearing mechanism 20 due to the above situation.

As shown in FIG. 6c, since the first portion 41 of the bottom plate 40 and the second portion 42 are disposed at a predetermined angle, the user can train the different muscles of the leg by pedaling on the tread surface 411 or the tread surface 421. effect. In order to allow the user to train the leg muscles more comprehensively, the bottom plate can have more of the following changes.

As shown in FIG. 7a, the bottom plate 50 of the second preferred embodiment of the present invention has a first portion 51 and two second portions 52, 53 connected to the two sides of the first portion 51, wherein the first portion 51 is parallel to the ground and the first portion 51 and the second portion 52, 53 are each disposed at a predetermined angle. Or, as shown in FIG. 7b, the bottom plate 60 of the third preferred embodiment of the present invention includes two first portions 61, 61' and three second portions 62, 63, 63', wherein the second portion 62 Located between the first portions 61, 61', and having a height difference between the second portion 62 and the first portion 61, 61', the second portion 63 is connected to the first portion 61 and is provided with a predetermined angle. The second portion 63' is connected to the first portion 61' and is provided with a predetermined angle. Of course, the bottom plate is not limited to the above, as long as the planes of the bottom plate have a height difference or a change in the clamping angle, the user can achieve the effect of training different muscles of the leg.

Referring to FIG. 8, a multifunctional leg trainer 100' according to a fourth preferred embodiment of the present invention is disclosed. Similar to the first preferred embodiment, the difference is that the multifunctional leg trainer 100' further includes A plurality of first load-bearing rods 15, a second load-bearing rod 16 and a weight-bearing block 22 are provided. The first load-bearing rod 15 is fixed on the fixed frame 11, and the second load-bearing rod 16 is fixed on the opposite position of each movable frame 12. The load-bearing block 22 is detachably connected to the first load-bearing rod 15 or the second load-bearing rod 16. .

When the multifunctional leg trainer 100' is used, the user can adjust the weight of the down load by changing the number of the weights 22 on the second weight bar 16 to achieve better weight training effect, and the rest are not connected to the first The load weight 22 on the two load-bearing rods 16 can be connected to the first load-bearing rods 15 to achieve the function of storage.

The above is only a preferred embodiment of the present invention, and equivalent changes to the scope of the present invention and the scope of the patent application are intended to be included in the scope of the present invention.

[this invention]
100, 100'‧‧‧Multifunctional leg training machine
10‧‧‧Rack
11‧‧‧ Fixing frame
111‧‧‧ stand
112‧‧‧ fixed rod
113‧‧‧crossbar
113a‧‧‧ bearing surface
114, 114a, 114b, 114c‧‧‧ positioning parts
115‧‧‧ pivot shaft
12‧‧‧ movable frame
121‧‧‧ main pole
121a‧‧‧ pivot
121b‧‧‧Second grip
122‧‧‧First pole
123‧‧‧First grip
124‧‧‧Second pole
13‧‧‧Support frame
131‧‧‧Support rod
131a‧‧‧Connecting Department
131b‧‧‧ yaw
132‧‧‧Extension rod
14‧‧‧Reset device
141‧‧‧first link
141a‧‧‧ grip end
142‧‧‧second link
143‧‧‧third link
143a‧‧‧ grip end
144‧‧‧fourth link
145‧‧‧crossbar
15‧‧‧First load bar
16‧‧‧Second weight bar
20‧‧‧Loading mechanism
21‧‧‧ Loads
22‧‧‧Loading weight
30‧‧‧Abutment pad
40‧‧‧floor
41‧‧‧ first
411‧‧‧Treading
42‧‧‧ second
421‧‧‧Treading
50‧‧‧floor
51‧‧‧ first
52, 53‧‧‧ second
60‧‧‧floor
61, 61'‧‧‧ first
62, 63, 63'‧‧‧ second
P1‧‧‧ first state
P2‧‧‧ second state
L1‧‧‧ first position
L2‧‧‧ second position

1 is a perspective view of a first preferred embodiment of the present invention. Figure 2 is a left side elevational view of the first preferred embodiment of the present invention. Figure 3 is a right side elevational view of the first preferred embodiment of the present invention. Figure 4 is a left side view showing the state of use of the first preferred embodiment of the present invention. Figure 5 is a right side view showing the state of use of the first preferred embodiment of the present invention. Figure 6a is a diagram showing the state of use of the first preferred embodiment of the present invention. Figure 6b is a diagram showing the state of use of the first preferred embodiment of the present invention. Figure 6c is a diagram showing the state of use of the first preferred embodiment of the present invention. Figure 7 is a diagram showing the state of use of the first preferred embodiment of the present invention. Figure 7a is a schematic view of a bottom plate of a second preferred embodiment of the present invention. Figure 7b is a schematic view of a bottom plate of a third preferred embodiment of the present invention. . Figure 8 is a perspective view of a fourth preferred embodiment of the present invention.

Claims (13)

A multifunctional leg trainer includes: a frame including a fixed frame and a movable frame movable relative to the fixed frame; a load-bearing mechanism is disposed at an offset end of the movable frame, and Providing a downward load weight; a bottom plate connected to the fixing frame, the bottom plate includes a first portion and a second portion, and the first portion and the second portion are disposed at a predetermined angle or have a height difference Wherein the fixing frame comprises a certain rod; the supporting frame abuts against the fixing rod to make the movable frame an elevated setting. The multifunctional leg trainer of claim 1 includes an abutment pad placed on the movable frame for the user's back or chest to abut. The multi-functional leg training machine of claim 1, wherein the movable frame has a pivotal end and an offset end, and the pivoting end is pivotally connected to the fixed frame. The multifunctional leg trainer of claim 3, wherein the frame further comprises a support frame coupled to the movable frame and abutting the fixed frame. The multi-functional leg training machine of claim 4, wherein the support frame comprises a support rod and a pushing device, wherein one end of the support rod is pivotally connected to the movable frame; the pushing device is connected to the support rod, and The support frame is pivoted relative to the movable frame. The multi-functional leg training machine of claim 5, wherein the frame further comprises a resetting device coupled to the support frame, the reset device being operated to drive the support frame to pivot relative to the movable frame. The multi-functional leg training machine of claim 4, wherein the fixing frame comprises a plurality of positioning members; the abutting end of the supporting frame abuts against any one of the positioning members to make the movable frame A preset angle tilt setting. A multifunctional leg trainer includes: a frame including a fixed frame and a movable frame movable relative to the fixed frame; a load carrying mechanism is disposed on the movable frame and provided downward Load weight; an abutment pad placed on the movable frame for the user's back or chest to abut; wherein the fixed frame includes a certain rod; the support frame abuts against the fixed rod to make the movable frame an elevated setting . The multi-functional leg training machine of claim 8, wherein the movable frame has a pivotal end and an offset end, and the pivoting end is pivotally connected to the fixed frame. The multi-functional leg training machine of claim 8, wherein the frame further comprises a support frame coupled to the movable frame and abutting the fixed frame. The multi-functional leg training machine of claim 10, wherein the support frame includes a support rod and a pushing device, the support rod is pivotally connected to the movable frame; the pushing device is coupled to the support rod, and drives the The support rod pivots relative to the movable frame. The multi-functional leg training machine of claim 11, wherein the frame further comprises a resetting device coupled to the support frame, the reset device being operated to drive the support frame to pivot relative to the movable frame. The multi-functional leg training machine of claim 10, wherein the fixing frame comprises a plurality of positioning members; the abutting end of the supporting frame abuts against any one of the positioning members to make the movable frame A preset angle tilt setting.