Multifunctional exercise device for physical exercise

Abstract

The invention provides a multifunctional exercise device for physical exercise, and relates to the technical field of sports equipment. The multifunctional exercise device for physical exercise comprises a bottom plate, a leg training structure is fixedly connected to the center of the upper end face of the bottom plate, a crotch training structure is arranged at the position, located on the rear side of the leg training structure, of the center of the upper end face of the bottom plate, and the lower end of the crotch training structure penetrates through the upper end face of the bottom plate and extends into the bottom plate; an arm training structure is fixedly connected to the position, close to the rear side edge, of the center of the upper end face of the bottom plate, and a fist training structure is fixedly connected to the position, close to the upper end, of one side wall of the arm training structure. Corresponding exercise structures are arranged for different parts of a human body, so that multiple training modes of one device are realized, and the overall utilization rate and the comprehensive use effect are greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of sports equipment, and particularly to a multifunctional exercise device for physical exercise. Background Art

[0002] With the rapid development of modern society and the improvement of people's living standards, physical exercise has become an important means to improve health, prevent diseases and enhance the quality of life. The acceleration of the urbanization process and the increase in the pace of life have made people face greater work pressure and life pressure, lacking sufficient exercise time and space, resulting in the increasing prominence of health problems such as obesity, cardiovascular diseases, and cervical spondylosis. According to the recommendations of the World Health Organization, adults should perform at least 150 minutes of moderate-intensity aerobic exercise or 75 minutes of high-intensity aerobic exercise per week.

[0003] As an important tool for physical exercise, the exercise device has evolved from simple to complex and from single-function to multi-function. Traditional exercise devices such as dumbbells, barbells, and treadmills mainly target a specific part or a specific exercise method for exercise, with relatively single functions. However, with the improvement of people's requirements for health and quality of life, traditional exercise devices are difficult to meet the diverse exercise needs. Therefore, technicians in this field have provided a multifunctional exercise device for physical exercise to solve the problems raised in the above background art. Summary of the Invention

[0004] (I) Technical Problem to be Solved

[0005] Aiming at the deficiencies of the prior art, the present invention provides a multifunctional exercise device for physical exercise, which solves the problems of single function and relatively simple exercise method existing in the existing exercise devices.

[0006] (II) Technical Solution

[0007] To achieve the above object, the present invention is realized through the following technical solutions: A multifunctional exercise device for physical exercise includes a bottom plate. The center of the upper end surface of the bottom plate is fixedly connected with a leg training structure. The center of the upper end surface of the bottom plate behind the leg training structure is provided with a hip training structure. The lower end of the hip training structure penetrates through the upper end surface of the bottom plate and extends to the inside. The center of the upper end surface of the bottom plate near the rear side edge is fixedly connected with an arm training structure. At the upper part of one side wall of the arm training structure, a fist training structure is fixedly connected.

[0008] The described fist training structure includes a suspension rod. One end of the suspension rod is fixedly connected to a side wall of the arm training structure. At a position near one edge of the center of the lower end face of the suspension rod, a sandbag is connected. A bottom rod is provided at the lower end of the sandbag. One end of the bottom rod is fixedly connected to a side wall of the bottom plate. A rotating rod is arranged inside the bottom rod. Two ends of the rotating rod are respectively rotatably connected to the centers of the two inner side walls of the bottom rod. Blocking plates are respectively sleeved and fixedly connected on the side walls of the rotating rod near both ends. Torsion springs are respectively sleeved on the side walls of the rotating rod on one side of the two blocking plates. Two ends of the two torsion springs are respectively fixedly connected to one side wall of the two blocking plates and the two inner side walls of the bottom rod. An elastic rope is wound around the side wall of the rotating rod. One end of the elastic rope is fixedly connected to the side wall of the rotating rod. A limiting sleeve is fixedly connected to a position near one side of the center of the upper inner wall of the bottom rod. The other end of the elastic rope sequentially passes through the limiting sleeve and the upper inner side wall of the bottom rod and reaches the upper end, and the end part is fixedly connected to the lower end face of the sandbag.

[0009] Preferably, the leg training structure includes a placement frame. The lower end of the placement frame is fixedly connected to the upper end face of the bottom plate. A plurality of first weight blocks are arranged near the lower end inside the placement frame. A first lifting plate is arranged above the first weight blocks. A first lifting rod is fixedly connected to the center of the lower end face of the first lifting plate. The lower end of the first lifting rod sequentially passes through the upper end faces of the plurality of first weight blocks and reaches the lower end. First insertion holes are respectively arranged at the centers of the front side walls of the plurality of first weight blocks. First insertion holes are also arranged on the side wall of the first lifting rod. A first insertion rod is connected inside the first insertion hole. Pull handles are respectively arranged at two positions near the upper end of the center of the rear side wall of the placement frame. The front ends of the two pull handles respectively pass through the rear side wall and the lower inner wall of the placement frame and reach the lower end, and the end parts are respectively fixedly connected to the upper end face of the first lifting plate.

[0010] Preferably, the hip training structure includes a circular groove. The circular groove is arranged at the center of the upper end face of the bottom plate. Receiving grooves are respectively arranged on the upper end faces of the bottom plate on both sides of the circular groove. Telescopic devices are respectively fixedly connected to the lower inner walls of the two receiving grooves. Cross plates are respectively fixedly connected to the output ends of the two telescopic devices. One ends of the two cross plates are jointly fixedly connected to a lower plate. A bearing is fixedly connected to the center of the upper end face of the lower plate. The lower end of the bearing passes through the upper end face of the lower plate and reaches the inside. A connecting shaft is connected inside the bearing. A pedal is fixedly connected to the upper end of the connecting shaft. A plurality of anti-slip strips are arranged on the upper end face of the pedal.

[0011] Preferably, the arm training structure includes an upright frame, the lower end of the upright frame is fixedly connected to the upper end surface of the bottom plate, a plurality of second weight blocks are arranged at the lower end inside the upright frame, a second lifting plate is arranged above the second weight blocks, a second lifting rod is fixedly connected to the center of the lower end surface of the second lifting plate, the lower end of the second lifting rod respectively penetrates the upper end surfaces of the plurality of second weight blocks and reaches the lower end, a plurality of second jacks are respectively arranged on one side wall of the second lifting rod and the center of the rear side wall of the plurality of second weight blocks, the upper second jack is internally connected with a second inserting rod, fixed pulleys are symmetrically fixedly connected to the front side edge of the center of the upper end surface of the upright frame, two steel wires are fixedly connected to the center of the upper end surface of the second lifting plate, the upper ends of the two steel wires respectively penetrate the upper inner wall of the upright frame and reach the upper end, and the ends are respectively fixedly connected with a downward pulling handle.

[0012] Preferably, two sliding rails are fixedly connected to the center of the upper end surface of the bottom plate, a seat cushion is arranged on the upper ends of the two sliding rails, sliders are respectively fixedly connected to the two sides of the center of the lower end surface of the seat cushion, the two sliders are respectively slidably connected to the upper end surfaces of the two sliding rails in a matching manner, a seat is fixedly connected to the upper end surface of the seat cushion, a baffle is fixedly connected to the rear ends of the two sliding rails together, pedals are respectively arranged at the front ends of the two sliding rails, and the lower ends of the two pedals are respectively fixedly connected to the upper end surface of the bottom plate.

[0013] Preferably, handles are respectively fixedly connected to the center of the upper part of the front side wall of the upright frame.

[0014] Preferably, placing foot pads are respectively fixedly connected to the four diagonal corners of the center of the lower end surface of the bottom plate.

[0015] Preferably, the material of the pedal is rubber.

[0016] (III) Beneficial effects

[0017] The present invention provides a multifunctional exercise device for physical exercise. It has the following beneficial effects:

[0018] 1. In the present invention, by setting the fist training structure, when in use, by pounding the sandbag, under the action of the impact force, the placement position of the sandbag swings and shakes. When receiving the impact force, the elastic rope inside the bottom rod is pulled out, and at the same time, the rotating rod and the two torsion springs inside both rotate, so as to release the elastic rope wound on the side wall of the rotating rod. Subsequently, under the elastic action of the two torsion springs, they rotate in the reverse direction, and the just-released elastic rope is reclaimed and wound on the side wall of the rotating rod again, which can reduce the shaking of the sandbag to the greatest extent and is convenient for use during training.

[0019] 2. In the present invention, by providing a hip training structure, when in use, under the action of two telescopic devices, two cross plates and a lower plate are extended from the inside of the circular groove. With the connection and cooperation of the bearing and the lower plate, the relationship between the pedal and the lower plate is a rotational connection, enabling the user to perform hip rotation training at the upper end. After use, by retracting the two telescopic devices, the pedal is retracted into the circular groove again, thus not affecting the use and training of other structures and realizing the characteristic of being convenient for storage.

[0020] 3. In the present invention, by providing corresponding exercise structures for different parts of the human body, multiple training methods are realized with one device, greatly improving the overall utilization rate and comprehensive use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Isometric view of the overall structure of the present invention;

[0022] Figure 2 Isometric view of another perspective of the present invention;

[0023] Figure 3 Front view of the present invention;

[0024] Figure 4 Connection sectional view of two cross plates and a lower plate in the present invention;

[0025] Figure 5 Side sectional view of the bottom rod in the present invention;

[0026] Figure 6 Top view of the present invention.

[0027] Wherein, 1. Bottom plate; 2. Leg training structure; 201. Slide rail; 202. Handle; 203. Placing frame; 204. First lifting plate; 205. Baffle; 206. Seat; 207. Slide block; 208. First lifting rod; 209. First jack; 210. First plug rod; 211. First weight block; 212. Cushion; 213. Pedal; 3. Fist training structure; 301. Sandbag; 302. Bottom rod; 303. Elastic cord; 304. Suspension rod; 305. Torsion spring; 306. Rotating rod; 307. Limiting sleeve; 308. Blocking plate; 4. Arm training structure; 401. Fixed pulley; 402. Steel wire rope; 403. Second lifting plate; 404. Second weight block; 405. Second plug rod; 406. Second jack; 407. Second lifting rod; 408. Handle; 409. Pull-down handle; 410. Upright frame; 5. Hip training structure; 501. Storage groove; 502. Anti-slip strip; 503. Circular groove; 504. Cross plate; 505. Telescopic device; 506. Bearing; 507. Lower plate; 508. Connecting shaft; 509. Pedal; 6. Placing footpad. DETAILED DESCRIPTION OF THE INVENTION

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0029] Embodiment 1:

[0030] As Figure 1-6 shown, the embodiment of the present invention provides a multifunctional exercise device for physical exercise, including a bottom plate 1. The center of the upper end surface of the bottom plate 1 is fixedly connected with a leg training structure 2. At the center of the upper end surface of the bottom plate 1 behind the leg training structure 2, a hip training structure 5 is provided. The lower end of the hip training structure 5 penetrates the upper end surface of the bottom plate 1 and leads to the inside. The center of the upper end surface of the bottom plate 1 near the rear side edge is fixedly connected with an arm training structure 4. At the upper end of one side wall of the arm training structure 4, a fist training structure 3 is fixedly connected.

[0031] The fist training structure 3 includes a suspension rod 304. One end of the suspension rod 304 is fixedly connected to one side wall of the arm training structure 4. At the center of the lower end surface of the suspension rod 304 near one side edge, a sandbag 301 is connected. A bottom rod 302 is provided at the lower end of the sandbag 301. One end of the bottom rod 302 is fixedly connected to one side wall of the bottom plate 1. A rotating rod 306 is provided inside the bottom rod 302. Both ends of the rotating rod 306 are respectively rotatably connected to the centers of the two inner side walls of the bottom rod 302. Blocking plates 308 are respectively sleeved and fixedly connected on the side walls near both ends of the rotating rod 306. Torsion springs 305 are respectively sleeved on the side wall of the rotating rod 306 on one side of the other blocking plate 308. Both ends of the two torsion springs 305 are respectively fixedly connected to one side wall of the two blocking plates 308 and the two inner side walls of the bottom rod 302. An elastic rope 303 is wound around the side wall of the rotating rod 306. One end of the elastic rope 303 is fixedly connected to the side wall of the rotating rod 306. A limiting sleeve 307 is fixedly connected to the center of the upper inner wall of the bottom rod 302 near one side. The other end of the elastic rope 303 sequentially penetrates the limiting sleeve 307 and the upper inner side wall of the bottom rod 302 and leads to the upper end, and the end is fixedly connected to the lower end surface of the sandbag 301. When in use, by pounding the sandbag 301, under the action of the impact force, the placement position of the sandbag 301 generates swinging and shaking, and conventional boxing training can be carried out.

[0032] The leg training structure 2 includes a placement frame 203. The lower end of the placement frame 203 is fixedly connected to the upper end surface of the bottom plate 1. Inside the placement frame 203, multiple first weight blocks 211 are arranged near the lower end. Above the first weight blocks 211, a first lifting plate 204 is provided. At the center of the lower end surface of the first lifting plate 204, a first lifting rod 208 is fixedly connected. The lower end of the first lifting rod 208 sequentially penetrates the upper end surfaces of the multiple first weight blocks 211 and extends to the lower end. At the center of the front side walls of the multiple first weight blocks 211, first insertion holes 209 are respectively provided. On the side wall of the first lifting rod 208, multiple first insertion holes 209 are also provided. Inside the first insertion holes 209, first insertion rods 210 are connected. On both sides near the upper end at the center of the rear side wall of the placement frame 203, handles 202 are respectively provided. The front ends of the two handles 202 respectively penetrate the rear side wall and the lower inner wall of the placement frame 203 and extend to the lower end, and the ends are respectively fixedly connected to the upper end surface of the first lifting plate 204.

[0033] The hip training structure 5 includes a circular groove 503. The circular groove 503 is provided at the center of the upper end surface of the bottom plate 1. On the upper end surfaces of the bottom plate 1 on both sides of the circular groove 503, storage grooves 501 are respectively provided. On the lower inner walls of the two storage grooves 501, telescopic devices 505 are respectively fixedly connected. On the output ends of the two telescopic devices 505, cross plates 504 are respectively fixedly connected. One ends of the two cross plates 504 are jointly fixedly connected to a lower plate 507. At the center of the upper end surface of the lower plate 507, a bearing 506 is fixedly connected. The lower end of the bearing 506 penetrates the upper end surface of the lower plate 507 and extends to the inside. Inside the bearing 506, a connecting shaft 508 is connected. The upper end of the connecting shaft 508 is fixedly connected to a pedal 509. On the upper end surface of the pedal 509, multiple anti-slip strips 502 are provided. During use, under the action of the two telescopic devices 505, the two cross plates 504 and the lower plate 507 are extended from the inside of the circular groove 503. With the connection and cooperation of the bearing 506 and the lower plate 507, the relationship between the pedal 509 and the lower plate 507 is a rotational connection, enabling the user to perform hip rotation training at the upper end. After use, by retracting the two telescopic devices 505, the pedal 509 is retracted into the circular groove 503 again, thus not affecting the use and training of other structures and realizing the characteristic of convenient storage. On the side wall of the upright frame 410 in this application, a control structure for controlling the telescopic device 505 is provided.

[0034] The arm training structure 4 includes a vertical frame 410. The lower end of the vertical frame 410 is fixedly connected to the upper end surface of the bottom plate 1. A plurality of second weight blocks 404 are arranged at the lower end inside the vertical frame 410. A second lifting plate 403 is arranged above the second weight blocks 404. A second lifting rod 407 is fixedly connected to the center of the lower end surface of the second lifting plate 403. The lower end of the second lifting rod 407 respectively penetrates through the upper end surfaces of the plurality of second weight blocks 404 and extends to the lower end. A plurality of second jacks 406 are respectively arranged on one side wall of the second lifting rod 407 and the center of the rear side wall of the plurality of second weight blocks 404. A second insertion rod 405 is connected inside the second jack 406 near the upper end. Fixed pulleys 401 are symmetrically fixedly connected to the front side edge near the center of the upper end surface of the vertical frame 410. Two steel wire ropes 402 are fixedly connected to the center of the upper end surface of the second lifting plate 403. The upper ends of the two steel wire ropes 402 respectively penetrate through the upper inner wall of the vertical frame 410 and extend to the upper end, and the ends are respectively fixedly connected with a downward pull handle 409.

[0035] Two slide rails 201 are fixedly connected to the center of the upper end surface of the bottom plate 1. A seat cushion 212 is arranged above the two slide rails 201. Sliders 207 are respectively fixedly connected to the two sides near the center of the lower end surface of the seat cushion 212. The two sliders 207 are respectively slidably connected to the upper end surfaces of the two slide rails 201 in a matching manner. A seat 206 is fixedly connected to the upper end surface of the seat cushion 212. A baffle 205 is fixedly connected to the common rear end of the two slide rails 201. Pedals 213 are respectively arranged at the front ends of the two slide rails 201. The lower ends of the two pedals 213 are respectively fixedly connected to the upper end surface of the bottom plate 1.

[0036] Handles 408 are respectively fixedly connected to the center of the front side wall of the vertical frame 410 near the upper end. Placing foot pads 6 are respectively fixedly connected to the four diagonal corners near the center of the lower end surface of the bottom plate 1. The material of the stepping pedal 509 is rubber.

[0037] Embodiment 2:

[0038] As Figure 5 shown, a multifunctional exercise device for physical exercise includes a bottom plate 1. A leg training structure 2 is fixedly connected to the center of the upper end surface of the bottom plate 1. A hip training structure 5 is arranged at the center of the upper end surface of the bottom plate 1 behind the leg training structure 2. The lower end of the hip training structure 5 penetrates through the upper end surface of the bottom plate 1 and extends to the inside. An arm training structure 4 is fixedly connected to the center of the upper end surface of the bottom plate 1 near the rear side edge. A fist training structure 3 is fixedly connected to the upper end of one side wall of the arm training structure 4.

[0039] The fist training structure 3 includes a suspension rod 304. One end of the suspension rod 304 is fixedly connected to a side wall of the arm training structure 4. At a position near one edge of the center of the lower end face of the suspension rod 304, a sandbag 301 is connected. A bottom rod 302 is provided at the lower end of the sandbag 301. One end of the bottom rod 302 is fixedly connected to a side wall of the bottom plate 1. A rotating rod 306 is arranged inside the bottom rod 302. Both ends of the rotating rod 306 are respectively rotatably connected to the centers of the two inner side walls of the bottom rod 302. Blocking plates 308 are respectively sleeved and fixedly connected on the side walls near both ends of the rotating rod 306. Torsion springs 305 are respectively sleeved on the side wall of the rotating rod 306 on one side of the other blocking plate 308. Both ends of the two torsion springs 305 are respectively fixedly connected to one side wall of the two blocking plates 308 and the two inner side walls of the bottom rod 302. An elastic rope 303 is wound around the side wall of the rotating rod 306. One end of the elastic rope 303 is fixedly connected to the side wall of the rotating rod 306. A limiting sleeve 307 is fixedly connected to a position near one side of the center of the upper inner wall of the bottom rod 302. The other end of the elastic rope 303 sequentially passes through the limiting sleeve 307 and the upper inner side wall of the bottom rod 302 and reaches the upper end, and the end is fixedly connected to the lower end face of the sandbag 301. When in use, by pounding the sandbag 301, under the action of the impact force, the placement position of the sandbag 301 swings and sways. When receiving the impact force, the elastic rope 303 inside the bottom rod 302 is pulled out. At the same time, the internal rotating rod 306 and the two torsion springs 305 both rotate, so as to release the elastic rope 303 wound around the side wall of the rotating rod 306. Subsequently, under the elastic action of the two torsion springs 305, it rotates in the reverse direction, and winds back the just-released elastic rope 303 and winds it on the side wall of the rotating rod 306, which can reduce the swaying of the sandbag 301 to the greatest extent and is convenient for use during training.

[0040] Working principle: This application is a multifunctional exercise device for physical exercise. When in use, by pounding the sandbag 301, under the action of the impact force, the placement position of the sandbag 301 swings and sways. When receiving the impact force, the elastic rope 303 inside the bottom rod 302 is pulled out. At the same time, the internal rotating rod 306 and the two torsion springs 305 both rotate, so as to release the elastic rope 303 wound around the side wall of the rotating rod 306. Subsequently, under the elastic action of the two torsion springs 305, it rotates in the reverse direction, and winds back the just-released elastic rope 303 and winds it on the side wall of the rotating rod 306, which can reduce the swaying of the sandbag 301 to the greatest extent and is convenient for use during training.

[0041] When performing hip training, under the action of two telescopic devices 505, two cross plates 504 and a lower plate 507 are extended from the inside of a circular groove 503. With the connection and cooperation of a bearing 506 and the lower plate 507, the relationship between a pedal 509 and the lower plate 507 is a rotational connection, enabling the user to perform hip rotation training at the upper end. After use, by retracting the two telescopic devices 505, the pedal 509 is re-stored inside the circular groove 503, thus not affecting the use and training of other structures and achieving the characteristic of being easy to store.

[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-functional exercise device for physical exercise, comprising a bottom plate (1), characterized in that: At the center of the upper end surface of the bottom plate (1), a leg training structure (2) is fixedly connected. At the center of the upper end surface of the bottom plate (1) behind the leg training structure (2), a hip training structure (5) is provided. The lower end of the hip training structure (5) penetrates through the upper end surface of the bottom plate (1) and leads to the interior. At the center of the upper end surface of the bottom plate (1) near the rear side edge, an arm training structure (4) is fixedly connected. At the upper part of one side wall of the arm training structure (4), a fist training structure (3) is fixedly connected. The fist training structure (3) includes a suspension rod (304). One end of the suspension rod (304) is fixedly connected to one side wall of the arm training structure (4). At the center of the lower end surface of the suspension rod (304) near one side edge, a sandbag (301) is connected. At the lower end of the sandbag (301), a bottom rod (302) is provided. One end of the bottom rod (302) is fixedly connected to one side wall of the bottom plate (1). Inside the bottom rod (302), a rotating rod (306) is provided. The two ends of the rotating rod (306) are respectively rotatably connected to the centers of the two inner side walls of the bottom rod (302). On the side walls near the two ends of the rotating rod (306), blocking plates (308) are respectively sleeved and fixedly connected. On the side walls of the rotating rod (306) on one side of the two blocking plates (308), torsion springs (305) are respectively sleeved. The two ends of the two torsion springs (305) are respectively fixedly connected to one side wall of the two blocking plates (308) and the two inner side walls of the bottom rod (302). An elastic rope (303) is wound around the side wall of the rotating rod (306). One end of the elastic rope (303) is fixedly connected to the side wall of the rotating rod (306). At the center of the upper inner wall of the bottom rod (302) near one side, a limiting sleeve (307) is fixedly connected. The other end of the elastic rope (303) sequentially penetrates through the limiting sleeve (307) and the upper inner side wall of the bottom rod (302) and leads to the upper end, and the end is fixedly connected to the lower end surface of the sandbag (301).

2. The multifunctional exercise device for physical exercise according to claim 1, wherein: The described leg training structure (2) includes a placement frame (203), the lower end of the placement frame (203) is fixedly connected to the upper end surface of the bottom plate (1), a plurality of first weight blocks (211) are arranged near the lower end inside the placement frame (203), a first lifting plate (204) is arranged above the first weight blocks (211), a first lifting rod (208) is fixedly connected to the center of the lower end surface of the first lifting plate (204), the lower end of the first lifting rod (208) sequentially penetrates the upper end surfaces of the plurality of first weight blocks (211) and extends to the lower end, first insertion holes (209) are respectively arranged at the centers of the front side walls of the plurality of first weight blocks (211), a plurality of first insertion holes (209) are also arranged on the side wall of the first lifting rod (208), a first insertion rod (210) is connected inside the first insertion hole (209), handles (202) are respectively arranged at the two sides near the upper end of the center of the rear side wall of the placement frame (203), the front ends of the two handles (202) respectively penetrate the rear side wall and the lower inner wall of the placement frame (203) and extend to the lower end, and the ends are respectively fixedly connected to the upper end surface of the first lifting plate (204).

3. A multi-functional exercise device for physical exercise according to claim 1, characterized in that: The described hip training structure (5) includes a circular groove (503), the circular groove (503) is arranged at the center of the upper end surface of the bottom plate (1), receiving grooves (501) are respectively arranged on the upper end surfaces of the bottom plate (1) on both sides of the circular groove (503), telescopic devices (505) are respectively fixedly connected to the lower inner walls of the two receiving grooves (501), cross plates (504) are respectively fixedly connected to the output ends of the two telescopic devices (505), a lower plate (507) is fixedly connected to one ends of the two cross plates (504) together, a bearing (506) is fixedly connected to the center of the upper end surface of the lower plate (507), the lower end of the bearing (506) penetrates the upper end surface of the lower plate (507) and extends to the inside, a connecting shaft (508) is connected inside the bearing (506), a pedal (509) is fixedly connected to the upper end of the connecting shaft (508), and a plurality of anti-slip strips (502) are arranged on the upper end surface of the pedal (509).

4. A multi-functional exercise device for physical exercise according to claim 1, characterized in that: The described arm training structure (4) includes a vertical frame (410), the lower end of the vertical frame (410) is fixedly connected to the upper end surface of the bottom plate (1), a plurality of second weight blocks (404) are arranged at the lower end inside the vertical frame (410), a second lifting plate (403) is arranged above the second weight blocks (404), a second lifting rod (407) is fixedly connected to the center of the lower end surface of the second lifting plate (403), the lower end of the second lifting rod (407) respectively penetrates through the upper end surfaces of the plurality of second weight blocks (404) and extends to the lower end, a plurality of second jacks (406) are respectively arranged on one side wall of the second lifting rod (407) and the center of the rear side wall of the plurality of second weight blocks (404), a second insertion rod (405) is connected inside the second jack (406) near the upper end, fixed pulleys (401) are symmetrically fixedly connected to the front side edge near the center of the upper end surface of the vertical frame (410), two steel wires (402) are fixedly connected to the center of the upper end surface of the second lifting plate (403), the upper ends of the two steel wires (402) respectively penetrate through the upper inner wall of the vertical frame (410) and extend to the upper end, and the ends are respectively fixedly connected with a pull-down handle (409).

5. A multi-functional exercise device for physical exercise according to claim 1, characterized in that: Two slide rails (201) are fixedly connected to the center of the upper end surface of the bottom plate (1), a seat cushion (212) is arranged above the two slide rails (201), sliders (207) are respectively fixedly connected to the two sides near the center of the lower end surface of the seat cushion (212), the two sliders (207) are respectively slidably connected to the upper end surfaces of the two slide rails (201) in a matching manner, a seat (206) is fixedly connected to the upper end surface of the seat cushion (212), a baffle (205) is fixedly connected to the rear ends of the two slide rails (201) together, pedals (213) are respectively arranged at the front ends of the two slide rails (201), and the lower ends of the two pedals (213) are respectively fixedly connected to the upper end surface of the bottom plate (1).

6. A multifunctional exercise device for physical exercise according to claim 4, characterized in that: Handles (408) are respectively fixedly connected to the center near the upper end of the front side wall of the vertical frame (410).

7. A multi-functional exercise device for physical exercise according to claim 1, characterized in that: Placing foot pads (6) are respectively fixedly connected to the four corners near the center of the lower end surface of the bottom plate (1).

8. A multi-functional exercise device for physical exercise according to claim 3, characterized in that: The material of the pedal (509) is rubber.

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