CN218980344U - Lower limb strength training device - Google Patents

Abstract

The utility model discloses a lower limb strength training device which comprises a supporting seat, wherein a handle with adjustable height is fixedly arranged on the supporting seat, two track frames are further rotatably arranged on the supporting seat, the two track frames are symmetrically arranged, foot fixing assemblies are slidably arranged on each track frame, and elastic rubber strips are detachably arranged between each foot fixing assembly and two ends of the corresponding track frame through hanging rings and belt rollers. According to the lower limb strength training device, the lower limb strength training is performed through stretching of the foot control rubber ribs, the condition that muscle strain is caused by improper weight increase is avoided, and meanwhile, the lower limb strength training device can be folded and stored, and is small and flexible in size.

Description

A lower limb strength training device

technical field

The utility model relates to the technical field of fitness equipment, in particular to a lower limb strength training device.

Background technique

There are many types of fitness equipment, and the functions of various fitness equipment are also different. When using fitness equipment for exercise, it can regulate body functions and exercise the toughness, endurance, tension, and arm strength of each joint of the body. In addition, it can also Improve the coordination of the body, improve the function of the human body, the relaxation performance of the nerves, etc. Nowadays, with the continuous improvement and improvement of people's living standards, more and more people like to go to the gym and use the professional fitness equipment in the gym for targeted fitness in order to enhance the muscle strength of the body part or the whole, and improve physical health problems.

Nowadays, most of the fitness equipment in the gym is counterweight fitness equipment, and training is carried out by adding counterweights, but many choices of counterweights are very unfriendly to women and teenagers, and improper addition of counterweights will cause human muscle strain, etc. situation, and the size of this type of equipment is very large, for people who cannot go to the gym due to various reasons (such as time constraints of office workers), setting up such huge weight-type fitness equipment at home will take up a lot of indoor space. space. Therefore, inventing a portable and small home fitness equipment is an urgent need in today's society under the national movement.

Publication No. CN103751986A discloses a lower limb strength training device in the invention patent application document, the seat is installed on the left and right sides of the support, the upper end of the rotating column is connected and fixed on the support through a rotating shaft, and a barbell plate is installed below the rear end. During use, the person sits on the seat, puts both legs behind the rotating column, and lifts the rotating column upwards with lower limbs to lift the barbell plate. The present invention is simple in structure, small in size, convenient to carry without being limited by the place and time, easy to operate, and has a wide range of applications; but the lower limb strength training device also trains by adding counterweights (barbell plates), and improper addition of counterweights will cause In case of human muscle strain, etc., and the volume of the device is fixed, it cannot be folded and stored.

Contents of the invention

In view of the above existing problems, the utility model aims to provide a lower limb strength training device, which can perform lower limb strength training by controlling the stretching of the rubber band by the foot, avoiding the situation of muscle strain caused by improper weight increase, and at the same time, the The lower limb strength training device can be folded and stored, and is small and flexible.

In order to achieve the above object, the technical scheme adopted in the utility model is as follows:

A lower limb strength training device, comprising a support base, characterized in that: a height-adjustable handle is fixed on the support base, and two track frames are also rotatably arranged on the support base, and the two track frames are symmetrical set, and each of the track frames is slidably provided with a foot fixing assembly, and an elastic rubber strip is detachably provided between each of the foot fixing assemblies and the two ends of the track frame corresponding to each other.

Further, the top of the support seat is provided with two fixed baffles, and two rotating shafts are arranged between the two fixed baffles, and one end of the two track frames is respectively fixed to the corresponding rotating shafts. connect.

Further, the foot fixing assembly includes a foot pedal, the front end and the left and right sides of the foot board are provided with a foot board wall, and the top of the foot board is provided with a foot for fixing the foot The pedals tighten the belt.

Further, the bottom of the pedal is fixed with a roller frame, and rollers are installed on the roller frame, and the rollers are slidably connected with the track frame.

Further, each side of the pedals close to the support base is fixed with a pedal inner hanging ring, and one end of the track frame close to the support base is internally rotated and provided with an inner belt roller. The rubber strip is wound around the inner belt roller, and the end of the rubber strip away from the inner belt roller is provided with an inner rubber buckle, and the inner rubber buckle is located outside the track frame.

Further, an inner pressurizing knob is provided at one end of the track frame close to the support seat, the inner pressurizing knob is located above the corresponding rubber strip, and the bottom surface of the inner pressurizing knob is aligned with the corresponding rubber strip. The top surfaces are touching but not connected.

Further, the side of each of the pedals away from the support base is fixed with a pedal external hanging ring, and the end of the track frame away from the support base is internally rotated with an outer belt roller. The rubber strip is also wound around the belt roller, and the end of the rubber strip away from the outer belt roller is provided with an outer rubber buckle, and the outer rubber buckle is also located outside the track frame.

Further, the end of the track frame far away from the support seat is provided with an external pressure knob, the external pressure knob is located above the corresponding rubber strip, and the bottom surface of the external pressure knob is connected to the top surface of the corresponding rubber strip. Contact but not connect.

Further, a telescopic rod is fixed on the support seat, the handle is fixed on the top of the telescopic rod, and an adjustment knob for height adjustment of the telescopic rod is provided on the telescopic rod.

The beneficial effects of the utility model are: compared with the prior art, the improvement of the utility model is that,

1. The lower limb strength training device of the present utility model is used for lower limb strength training by pulling the stretching of the rubber strip by the feet. The trainer sits before and after the training, and his feet are respectively inserted into the corresponding foot fixing components. The corresponding track frame moves repeatedly in the direction of the long axis, which can effectively train the lower limbs, especially the inner and outer muscles of the thigh; Apply a downward force to adjust the pull-out force of the rubber strip to adjust the tension of the rubber strip, which effectively solves the problem of human muscle strain caused by the improper weight increase of the counterweight fitness equipment in the prior art, and can be more Good for the needs of different groups of people.

2. The lower limb strength training device of the present utility model has rubber strips detachably connected to the left and right sides of the pedals and the two ends of the corresponding track frame. When in use, the rubber strips to be connected can be selected according to actual needs, so as to The internal and external muscles of the thigh perform corresponding strength training. When using one of the rubber strips, the other rubber strip is stored in the end of the track frame under the action of the corresponding belt roller, which is both beautiful and practical.

3. In the lower limb strength training device of the present utility model, the two track frames can be folded and unfolded under the action of the rotating shaft, thereby realizing the foldable design of the entire training device. Small and flexible, easy to use, effectively solves the problem of a large amount of indoor activity space being occupied.

Description of drawings

Fig. 1 is a schematic structural diagram of the folded state of the lower limb strength training device of the present invention.

Fig. 2 is a schematic structural diagram of the expanded state of the lower limb strength training device of the present invention.

Fig. 3 is an enlarged view of the partial structure of one end of the rail frame of the present invention away from the support seat.

Fig. 4 is a schematic diagram of the positional relationship between the inner pressurizing knob, the inner belt roller and the rubber strip of the utility model.

Fig. 5 is a front view of the structure of the lower limb strength training device of the present invention.

Fig. 6 is a side view of the structure of the lower limb strength training device of the present invention.

Fig. 7 is a schematic diagram of the use state of the lower limb strength training device of the present invention

Among them: 1-support seat, 2-handle, 3-track frame, 4-rubber strip, 5-fixed baffle, 6-rotation shaft, 7-pedal, 8-pedal wall, 9-pedal pull Tight belt, 10-roller frame, 11-roller, 12-pedal inner hanging ring, 13-inner belt roller, 14-inner rubber buckle, 15-inner pressure knob, 16-pedal outer hanging ring, 17 -outer belt roller, 18-outer rubber buckle, 19-outer pressing knob, 20-telescopic rod, 21-adjusting knob.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the technical solution of the utility model will be further described below in conjunction with the drawings and embodiments.

Embodiment one:

Referring to a lower limb strength training device shown in accompanying drawings 1-7, it includes a support base 1, a telescopic rod 20 is fixed on the support base 1, a handle 2 is fixed on the top of the telescopic rod 20, and the The telescopic rod 20 is provided with an adjustment knob 21 for height adjustment of the telescopic rod 20. The telescopic rod 20 can adopt a structure in which an inner rod and an outer rod are sheathed. Corresponding fixing holes are provided on the inner rod and the outer rod, and the adjustment knob 21 adopts the structure of bolts, when the adjustment knob 21 is screwed into the corresponding fixing hole on the inner rod and the outer rod, the length of the telescopic rod 20 can be fixed, and the adjustment knob 21 can be screwed out of the inner rod to adjust the inner rod and the outer rod. The length of the rod, thereby adjusting the height of the handle 2.

The top of the support seat 1 is fixed with two fixed baffles 5, and the two fixed baffles 5 are all located on the rear side of the telescopic rod 20, and the two fixed baffles 5 are rotated by bearings. Two rotating shafts 6, one end of the two track frames 3 are respectively fixedly connected with the corresponding rotating shafts 6, the rotation folding and unfolding of the two track frames 3 can be realized through the setting of the rotating shaft 6, and the folded state is convenient for storage. Small and lightweight.

Each of the track frames 3 is slidably provided with a foot fixing assembly, and an elastic rubber strip 4 is detachably provided between each of the foot fixing assemblies and the two ends of the track frame 3 corresponding to each other.

Specifically, the foot fixing assembly includes a foot board 7, the front end and the left and right sides of the foot board 7 are provided with a board wall 8, and the upper part of the board 7 is provided with a Carry out fixed pedal tightening belt 9, described pedal 7, pedal wall 8 and pedal tightening belt 9 form a structure similar to slippers, and pedal tightening belt 9 lengths are adjustable, thereby can Suitable for different trainers, the pedal tightening belt 9 can specifically adopt the Velcro structure to realize length adjustment.

The bottom of described pedal 7 is fixedly provided with roller frame 10, and described roller frame 10 is equipped with roller 11, and described roller 11 is connected with described rail frame 3 slidingly, realizes by the sliding connection of roller 11 and rail frame 3 Whole pedal 7 moves left and right on rail frame 3.

Further, each side of the pedal 7 close to the support base 1 is fixed with a pedal inner hanging ring 12, and the inner end of the track frame 3 close to the support base 1 is rotated through a bearing. There is an inner belt roller 13, the inner belt roller 13 is wound with the rubber strip 4, and the end of the rubber strip 4 away from the inner belt roller 13 is provided with an inner rubber buckle 14, and the inner rubber strip The buckle 14 is located outside the track frame 3. When in use, the inner rubber strip buckle 14 is hung on the inner hanging ring 12 of the pedal, and the rubber strip 4 is pulled outward, which will drive the inner belt roller 13 to rotate, thereby making the rubber strip 4. Extend the length of the track frame 3 to become longer. After the rubber strip 4 is fully pulled out of the track frame 3, continue to pull the rubber strip 4. Because the rubber strip 4 has elasticity, a certain amount of reaction can be applied to the trainer during the pulling process. Directional force, thus playing the role of exercising leg muscles. The inner rubber strip buckle 14 is taken off from the inner hanging ring 12 of the pedal, and the rubber strip 4 can be automatically retracted and wound on the inner belt roller 13, thereby realizing the storage of the rubber strip 4.

In order to further adjust the strength required in the pulling process of the rubber strip 4, an inner pressurization knob 15 is provided at the end of the track frame 3 close to the support seat 1, and the inner pressurization knob 15 is located on the corresponding rubber strip 4, and the bottom surface of the internal pressure knob 15 is in contact with but not connected to the top surface of the corresponding rubber strip 4. Specifically, the inner pressure knob 15 is arranged on the top of the inner belt roller 13, and the rubber strip 4 and the inner belt roller 13 are squeezed. By adjusting the pressure knob 15, the rubber strip 4 and the inner belt roller 13 top can be applied to The force of different magnitudes in the downward direction can adjust the required strength in the process of pulling the rubber strip 4 . Inner pressurizing knob 15 can adopt the structure similar to bolt, and inner pressurizing knob 15 is threadedly connected with track frame 3, when rotating inner pressurizing knob 15, its end and rubber strip 4 and inner belt roller 13 between The distance changes, so that the pressing force of the inner pressing knob 15 acting on the rubber strip 4 and the inner belt roller 13 changes.

The working principle of the present utility model: the lower limb strength training device of the present utility model is used in the over-weighting of the function, and the two track frames 3 are rotated to be unfolded and placed on the ground. The trainer sits at the rear of the training device, The height of the operator adjusts the height of the handle 2; then the inner rubber buckle 14 corresponding to the rubber strip 4 that is wound around the inner belt roller 13 is buckled on the inner hanging ring 12 of the pedal, and the trainer places both feet on the pedal 7 Up, adjust the pedals to tighten the belt 9, fix the feet, move the two feet left and right, and stretch the rubber strip 4 back and forth, so as to train the strength of the lower limbs; according to the training situation, adjust the internal pressure knob 15 , so as to adjust the strength required for pulling out the rubber strip 4, and adjust the training intensity.

Embodiment two:

On the basis of Embodiment 1, in order to stretch the rubber strip 4 from different directions to train the muscles on the inside or outside of the thigh, each side of the pedal 7 away from the support base 1 is A foot pedal external hanging ring 16 is fixedly provided, and an outer belt roller 17 is arranged on the inner side of the track frame 3 away from the support seat 1, and the rubber strip 4 is also wound around the outer belt roller 17, and The end of the rubber strip 4 away from the outer belt roller 17 is provided with an outer rubber strip buckle 18 , and the outer rubber strip buckle 18 is also located outside the track frame 3 .

The end of the track frame 3 far away from the support seat 1 is provided with an external pressure knob 19, the external pressure knob 19 is located above the corresponding rubber strip 4, and the bottom surface of the external pressure knob 19 is in contact with the corresponding rubber strip. The top surfaces of strip 4 touch but are not connected.

It should be noted that the connection relationship and working principle between the outer belt roller 17, the outer rubber buckle 18, the outer pressure knob 19 and the corresponding rubber strip 4 are the same as those of the inner belt roller 13, the inner rubber buckle 14, the inner pressure The connection relationship and working principle between the knob 15 and the corresponding rubber strip 4 are the same, and will not be repeated in this application. During use, one of the rubber bars 4 can be selected to connect to the corresponding connection for training.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (9)

1. A strength training device for lower limbs, comprising a support base (1), characterized in that: a height-adjustable handle (2) is fixed on the support base (1), and the support base (1) also rotates Two track frames (3) are provided, and the two track frames (3) are arranged symmetrically, and each track frame (3) is slideably provided with a foot fixing assembly, each of the foot fixing assemblies Elastic rubber strips (4) can be detachably arranged between the two ends of the track frame (3) corresponding to each other. 2. A lower limb strength training device according to claim 1, characterized in that: the top of the support base (1) is provided with two fixed baffles (5), and the two fixed baffles (5) There are two rotating shafts (6) for rotation therebetween, and one ends of the two track frames (3) are respectively fixedly connected with the corresponding rotating shafts (6). 3. A kind of lower limb strength training device according to claim 1, characterized in that: the foot fixing assembly comprises a pedal (7), and the front end and the left and right sides of the pedal (7) are all provided with There is a pedal wall (8), and a pedal tightening belt (9) for fixing the feet is arranged above the pedal (7). 4. A lower limb strength training device according to claim 3, characterized in that: the bottom of the pedal (7) is fixed with a roller frame (10), and rollers are installed on the roller frame (10). (11), the roller (11) is slidingly connected with the track frame (3). 5. A lower limb strength training device according to claim 3, characterized in that: each side of the pedal (7) close to the support seat (1) is fixed with a pedal inner hanging Ring (12), the inner belt roller (13) is rotated inside the end of the track frame (3) close to the support seat (1), and the rubber strip (13) is wound on the inner belt roller (13) 4), and the end of the rubber strip (4) away from the inner belt roller (13) is provided with an inner rubber strip buckle (14), and the inner rubber strip buckle (14) is located outside the track frame (3) . 6. A lower limb strength training device according to claim 5, characterized in that: an inner pressure knob (15) is provided on the end of the track frame (3) close to the support base (1), and the inner pressure knob (15) is The pressure knob (15) is located above the corresponding rubber strip (4), and the bottom surface of the inner pressure knob (15) is in contact with but not connected to the top surface of the corresponding rubber strip (4). 7. A lower limb strength training device according to claim 3, characterized in that: the side of each of the pedals (7) away from the support seat (1) is fixed with a pedal external hanging ring (16), the inner rotation of one end of the track frame (3) away from the support seat (1) is provided with an outer belt roller (17), and the outer belt roller (17) is also wound with the rubber strip ( 4), and the end of the rubber strip (4) away from the outer belt roller (17) is provided with an outer rubber strip buckle (18), and the outer rubber strip buckle (18) is also located at the track frame (3) outside. 8. A lower limb strength training device according to claim 7, characterized in that: the end of the track frame (3) away from the support base (1) is provided with an external pressure knob (19), the external The pressure knob (19) is located above the corresponding rubber strip (4), and the bottom surface of the external pressure knob (19) is in contact with but not connected to the top surface of the corresponding rubber strip (4). 9. A lower limb strength training device according to claim 1, characterized in that: a telescopic rod (20) is fixed on the support base (1), and the handle (2) is fixed on the telescopic rod (20), and the telescopic rod (20) is provided with an adjustment knob (21) for height adjustment of the telescopic rod (20).

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