CN113041567A

CN113041567A - Many function body educate track and field trainer

Info

Publication number: CN113041567A
Application number: CN202110225531.0A
Authority: CN
Inventors: 姚立莹; 卢延文
Original assignee: Shangrao Normal University
Current assignee: Shangrao Normal University
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-06-29

Abstract

The invention discloses a multifunctional sports track and field training device, which comprises an equipment device main body, a connecting base plate and a support rod. A first seat is movably connected to one side of the surface of the waist exerciser, and one side of the first seat is fixedly connected with a sliding plate. Rail, the inside of the first seat is movably connected with a movable card wheel, the top side of the slide rail is movably connected with a stretch rod, one side surface of the stretch rod is fixedly connected with a rubber handle, and the bottom end of the stretch rod is fixedly connected with a Step on the pedal, one side of the stretch rod is movably connected with a connecting rod, the user can sit on the first seat, place their feet on the pedal, and exercise by pulling the stretch rod. When pulling, the first seat The chair will move on the slide rail. The first seat is set by the internal movable card wheel to facilitate sliding on the slide rail. The stretch rod has a rubber handle, which can reduce the stress on the hand by holding it. Pressure action The device reflects practicality, is suitable for use in sports training, and has broad prospects for development in the future.

Description

Many function body educate track and field trainer

Technical Field

The invention belongs to the technical field of training, and particularly relates to a multifunctional sports track and field training device.

Background

Track and field sports, which are the general names of track and field games and all-round games, are classified differently in modern track and field sports, and mainly comprise walking race, running, jumping and throwing and all-round sports consisting of partial items of running, jumping and throwing, wherein the total number of the track and field sports is forty, the item for calculating the scores by time in the track and field sports is called track game, the item for calculating the scores by height or distance is called field game, and the all-round sports item is calculated by the conversion scores of the individual scores according to a track and field sports scoring table.

When sports track and field sports, some sportsman when carrying out the motion, can heat up, the motion, make muscle obtain abundant exercise, so that when carrying out match long-term motion, can not cause the tension of muscle, just can be convenient for going on of match motion, and most places do not have the equipment of heating up, and when moving, need take exercise the position according to the motion of difference, when running, just need stretch the muscle of shank in advance, make can not be when hurried, cause the tension of muscle, cause the condition of cramp, and stretch through sportsman's manual, the effect is low, when carrying out the motion, need carry out the regulation of resistance, when carrying out the motion like this, according to self needs, adjust, and when the pulling, always through self pulling, the resistance is not big, also can cause the effect of using not good.

Disclosure of Invention

The invention aims to: in order to solve the problems of convenience, few functions and certain limitation in the using process, the multifunctional sports track and field training device is provided.

The technical scheme adopted by the invention is as follows: the utility model provides a many function body educate track and field trainer, includes equipment device main part, connects bottom plate and bracing piece, one side fixedly connected with of equipment device main part connects the bottom plate, connect surface one side fixedly connected with bracing piece of bottom plate, one side swing joint of bracing piece has the rotary disk, connect the surperficial opposite side fixedly connected with waist exerciser of bottom plate.

The waist exerciser is characterized in that a first seat is movably connected to one side of the surface of the waist exerciser, a sliding rail is fixedly connected to one side of the first seat, a movable clamping wheel is movably connected to the inside of the first seat, a stretching rod is movably connected to one side of the top of the sliding rail, a rubber handle is fixedly connected to the surface of one side of the stretching rod, a pedal is fixedly connected to the bottom end of the stretching rod, and a connecting rod is movably connected to one side of the stretching rod.

The bottom fixedly connected with backup pad of tensile pole, surface one side fixedly connected with second seat of backup pad, the bottom swing joint of second seat has the shank link, one side swing joint of shank link has pressure telescopic link, the bottom fixedly connected with sponge piece of shank link, one side fixedly connected with back backup pad of second seat.

The adjustable chair is characterized in that an adjusting knob is movably connected to the bottom end of one side of the connecting rod, a telescopic rod is movably connected to the top of the adjusting knob, a connecting clamp spring is movably connected to the periphery of the telescopic rod, a rotary bearing is movably connected to the inside of the bottom end of the rotary disk, and a fixed supporting block is fixedly connected to one side of the bottom end of the second chair.

Preferably, one side of the pedal is fixedly connected with a storage groove.

Preferably, one side of the back support plate is fixedly connected with a suspension rod.

Preferably, a chuck is fixedly connected to the bottom of the suspension rod.

Preferably, one side fixedly connected with connecting block of bracing piece, one side embedding of connecting block is connected with the stretching strap, one side fixedly connected with handle of stretching strap.

Preferably, one side of the rotary bearing is movably connected with a regulator.

Preferably, the first seat on one side of the surface of the waist exerciser, the slide rail on one side of the first seat, the movable clamping wheel inside the first seat, the stretching rod on one side of the top of the slide rail, the rubber handle on one side of the surface of the stretching rod, the pedal on the bottom end of the stretching rod, and the connecting rod on one side of the stretching rod jointly form the waist exercising mechanism.

Preferably, the shank exercise mechanism is composed of a supporting plate at the bottom of the stretching rod, a second seat on one side of the surface of the supporting plate, a leg connecting frame at the bottom of the second seat, a pressure telescopic rod on one side of the leg connecting frame, a sponge block at the bottom end of the leg connecting frame, and a back supporting plate on one side of the second seat.

Preferably, the adjusting mechanism is composed of an adjusting knob at the bottom end of one side of the connecting rod, a telescopic rod at the top of the adjusting knob, a connecting clamp spring on the periphery of the telescopic rod and a rotary bearing inside the bottom end of the rotary disk.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the multifunctional foot-operated device, the storage groove is fixedly connected to one side of the pedal, so that before track and field sports and warm-up sports, an athlete can have articles, most of the articles are directly placed on the ground, clothes are directly placed on the ground and cannot be cleaned easily, the articles can be temporarily placed in the storage groove by arranging the storage groove before the athlete takes sports, the storage and taking are convenient, multiple layers are arranged, different articles can be conveniently placed in a classified mode, and the multifunctional foot-operated device embodies the practicability.

2. According to the clothes drying device, the hanging rods are fixedly connected to one side of the back supporting plate, after the clothes are moved, sweat exists on clothes of part of athletes, the clothes are placed on the ground, dust is adsorbed on the surfaces of the clothes and is not easy to clean, the clothes are uniformly placed and stacked, the clothes are aggravated in taste, the clothes are not easy to dry, and are not easy to clean.

3. In the invention, a first seat on one side of the surface of a waist exerciser, a slide rail on one side of the first seat, a movable clamping wheel in the first seat, a stretching rod on one side of the top of the slide rail, a rubber handle on one side of the stretching rod, a pedal on the bottom end of the stretching rod and a connecting rod on one side of the stretching rod jointly form a waist exercising mechanism, when sports are carried out in athletic track and field sports, part of athletes can warm up and exercise to make muscles fully exercised so as not to cause the tightening of the muscles when carrying out long-term sports in a match, the match sports can be conveniently carried out, most of places have no warm-up equipment, and through the arrangement of the waist exercising mechanism, a user can sit on the first seat, place feet on the pedal, exercise by pulling the stretching rod, and when pulling, the first seat can move on the slide rail, first seat sets up through inside activity card wheel, is convenient for slide on the slide rail, has the rubber handle on the tensile pole, through holding, reduces the pressure effect of hand atress, and the sportsman of being convenient for takes exercise, and the device has embodied the practicality.

4. In the invention, the support plate at the bottom of the stretching rod, the second seat at one side of the surface of the support plate, the leg connecting frame at the bottom of the second seat, the pressure telescopic rod at one side of the leg connecting frame, the sponge block at the bottom end of the leg connecting frame and the back support plate at one side of the second seat jointly form the leg exercising mechanism, when in exercise, the position is required to be exercised according to different exercises, when in running, the muscle of the leg needs to be stretched in advance, so that the situation of cramping caused by tight muscle when in hurry can not happen, and the stretching is manually carried out by athletes, the effect is low, by arranging the leg exercising mechanism, the athletes sit on the second seat, lean the back chair on the back support plate, place the leg on the leg connecting frame, stretch the leg support frame by stress, the leg connecting frame is connected with the pressure telescopic rod, and give telescopic power by the telescopic rod, carry out the motion, the sponge piece sets up respectively on back backup pad and shank link to cause extruded pain when preventing the atress, combine the waist to temper the device, the device has embodied the practicality in the use of multiple functions.

5. In the invention, an adjusting knob at the bottom end of one side of a connecting rod, a telescopic rod at the top of the adjusting knob, a connecting clamp spring at the periphery of the telescopic rod and a rotary bearing in the bottom end of a rotary disk jointly form an adjusting mechanism, resistance adjustment is needed during movement, thus the adjustment is carried out according to self requirements during movement, poor use effect can be caused by the fact that resistance is not large when the adjustment is pulled through self, the rotary bearing is connected with the rotary disk through the adjusting mechanism, the rotary disk rotates, a user can move an ankle and a waist on the rotary disk to hold a round handrail protruding on a supporting rod, a main body of the supporting rod can also be pulled upwards, the pressure intensity of the telescopic rod can be adjusted through the use of the adjusting knob, the use of the connecting clamp spring is realized by increasing friction force, the automatic atress of retrieving of telescopic link of being convenient for increases user's use comfort, and the device has embodied the practicality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a side view of the waist exerciser of the present invention;

FIG. 4 is an enlarged view of the invention at A;

fig. 5 is a schematic view of a partial structure of the support rod of the present invention.

The labels in the figure are: 1. an apparatus device main body; 2. connecting the bottom plate; 3. a support bar; 4. rotating the disc; 5. a waist exerciser; 6. a first seat; 7. a slide rail; 8. a movable clamp wheel; 9. a stretch rod; 10. a rubber handle; 11. a support plate; 12. a second seat; 13. treading a pedal; 14. a connecting rod; 15. fixing a supporting block; 16. A leg connecting frame; 17. a pressure telescopic rod; 18. a sponge block; 19. a back support plate; 20. a storage tank; 21. a suspension rod; 22. a chuck; 23. adjusting a knob; 24. a telescopic rod; 25. connecting a clamp spring; 26. connecting blocks; 27. pulling the belt; 28. a handle; 29. a rotating bearing; 30. a regulator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a multi-functional sports track and field trainer, includes equipment device main part 1, connects bottom plate 2 and bracing piece 3, and one side fixedly connected with of equipment device main part 1 connects bottom plate 2, connects bottom plate 2's surperficial one side fixedly connected with bracing piece 3, and one side swing joint of bracing piece 3 has rotary disk 4, connects bottom plate 2's surperficial opposite side fixedly connected with waist exerciser 5.

The waist exerciser 5 is characterized in that a first seat 6 is movably connected to one side of the surface of the waist exerciser 5, a slide rail 7 is fixedly connected to one side of the first seat 6, a movable clamping wheel 8 is movably connected to the inside of the first seat 6, a stretching rod 9 is movably connected to one side of the top of the slide rail 7, a rubber handle 10 is fixedly connected to one side of the stretching rod 9, a pedal 13 is fixedly connected to the bottom end of the stretching rod 9, and a connecting rod 14 is movably connected to one side of the stretching rod 9.

The bottom fixedly connected with backup pad 11 of tensile pole 9, surface one side fixedly connected with second seat 12 of backup pad 11, the bottom swing joint of second seat 12 has shank link 16, one side swing joint of shank link 16 has pressure telescopic link 17, the bottom fixedly connected with sponge piece 18 of shank link 16, one side fixedly connected with back backup pad 19 of second seat 12.

The bottom end of one side of connecting rod 14 swing joint has adjust knob 23, and the top swing joint of adjust knob 23 has telescopic link 24, and the peripheral swing joint of telescopic link 24 has connection jump ring 25, and the inside swing joint in bottom of rotary disk 4 has swivel bearing 29, and one side fixedly connected with fixed supporting shoe 15 in bottom of second seat 12.

Preferably, one side fixedly connected with storing groove 20 of pedal 13, before the track and field sports, before the warm-up motion, sportsman has article, and most of them all directly place subaerial, and the clothes is directly placed subaerial can be difficult to wash, through setting up storing groove 20, before sportsman moves, can temporarily place the inside at storing groove 20 with the article of needs, be convenient for save and take, be provided with the multilayer, the categorised different article of placing of being convenient for, the device has embodied the practicality.

Preferably, one side fixedly connected with of back backup pad 19 hangs pole 21, after the motion, some sportsman's clothing has sweat, place subaerial, the surface of clothing can adsorb the dust, be difficult for clearing up, and unified placing piles up, the taste of clothing can aggravate, also do not benefit to the clothing futilely, be difficult for clearing up, hang pole 21 through setting up, hang the pole sportsman, can place the clothing on its surface, so that the quick air-dry of clothing, be convenient for wear after the motion, the device has embodied the practicality.

Preferably, hang the bottom fixedly connected with (holding) chuck 22 of pole 21, in the motion process, some motion can be watched to some users and the screen is looked to, and when the user equipment, be not convenient for place the cell-phone, through setting up (holding) chuck 22, the thickness of (holding) chuck 22 is not very thick, and the surface is provided with protective material, is being convenient for the centre gripping through cell phone stand and is being fixed on its surface, prevents to drop that causes in the use, and the cell-phone is watched in the user's of being convenient for use, and the device has embodied the practicality.

Preferably, one side fixedly connected with connecting block 26 of bracing piece 3, one side embedding of connecting block 26 is connected with stretching strap 27, one side fixedly connected with handle 28 of stretching strap 27, most equipment is when will using, the function of using is comparatively simple and convenient, there is not the use of multiple functions, just need to change the equipment of other uses, comparatively trouble, through setting up connecting block 26, one side of connecting block 26 is provided with stretching strap 27, the user, can hold the stretching strap of both sides, place the inside at handle 28 with the hand, stretch, carry out shoulder and take exercise, the device has embodied the practicality.

Preferably, one side swing joint of swivel bearing 29 has regulator 30, twisting of waist and the motion of ankle, the majority uses the equipment, the flexibility is higher, can not all be by oneself adjust, when the speed is too fast, can cause the injured condition, through setting up regulator 30, regulator 30 accessible is rotatory, come the contact at swivel bearing 29 on the surface, thereby increase the effect of frictional resistance, the user can adjust according to self needs, the device has embodied the practicality.

Preferably, the first seat 6 on one side of the surface of the waist exerciser 5, the slide rail 7 on one side of the first seat 6, the movable clamping wheel 8 inside the first seat 6, the stretching rod 9 on one side of the top of the slide rail 7, the rubber handle 10 on one side surface of the stretching rod 9, the pedal 13 at the bottom end of the stretching rod 9, and the connecting rod 14 on one side of the stretching rod 9 jointly form a waist exercising mechanism, when a part of athletes do sports, the waist exercising mechanism can be warmed and exercised, so that muscles can be fully exercised, so that the tight tension of the muscles can not be caused when the competition is played for a long time, the competition sports can be conveniently carried out, most of the fields have no warming-up equipment, through the arrangement of the waist exercising mechanism, a user can sit on the first seat 6, place feet on the pedal 13, exercise is carried out by pulling the stretching rod 9, and when pulling, first seat 6 can move on slide rail 7, and first seat 6 sets up through inside activity card wheel 8, is convenient for slide on slide rail 7, has rubber handle 10 on tensile pole 9, through holding, reduces the pressure effect of hand atress, and the sportsman of being convenient for takes exercise, and the device has embodied the practicality.

Preferably, the support plate 11 at the bottom of the stretching rod 9, the second seat 12 at the surface side of the support plate 11, the leg connecting frame 16 at the bottom of the second seat 12, the pressure telescopic rod 17 at the side of the leg connecting frame 16, the sponge block 18 at the bottom end of the leg connecting frame 16, and the back support plate 19 at the side of the second seat 12 jointly form a leg exercising mechanism, and during exercise, the position of the leg exercising mechanism needs to be exercised according to different exercises, during running, the muscle of the leg needs to be stretched in advance, so that the tight muscle and cramp can not be caused in hurry, and the manual stretching by the sportsman has low effect, through arranging the leg exercising mechanism, the sportsman sits on the second seat 12, leans on the back support plate 19 with the back chair, places the leg on the leg connecting frame 16, stretches the leg supporting frame 16 by stress, the leg connecting frame 16 is connected with the pressure telescopic rod 17, through being used for the telescopic link to give flexible power, move, sponge piece 18 sets up respectively on back backup pad 19 and shank link 16 to cause extruded pain when preventing the atress, combine waist exercise device, the use of multiple functions, the device has embodied the practicality.

Preferably, the adjusting knob 23 at the bottom end of one side of the connecting rod 14, the telescopic rod 24 at the top of the adjusting knob 23, the connecting clamp spring 25 at the periphery of the telescopic rod 24, and the rotating bearing 29 inside the bottom end of the rotating disk 4 together form an adjusting mechanism, when in movement, resistance needs to be adjusted, so when in movement, the adjustment is performed according to self requirements, and when in pulling, the adjustment is always performed through self pulling, the resistance is not large, and the using effect is not good, by arranging the adjusting mechanism, the rotating bearing 29 is connected with the rotating disk 4, so that the rotating disk 4 rotates, a user can move the ankle and waist thereon, hold the raised circular handrail on the supporting rod, the main body of the supporting rod 3 can also be used as a pull-up body, through the use of the adjusting knob 23, the pressure intensity of the telescopic rod 24 can be adjusted, and the adjustment is realized by increasing the friction force, the use of connecting jump ring 25, the automatic atress of retrieving of telescopic link 24 of being convenient for increases user's use comfort, and the device has embodied the practicality.

The working principle is as follows: firstly, by arranging the storage groove 20, required articles can be temporarily placed in the storage groove 20 before an athlete moves, so that the storage and taking are convenient, and the storage groove is provided with multiple layers, so that different articles can be conveniently placed in a classified manner;

then, by arranging the hanging rod 21, the sportsman can place clothes on the surface of the hanging rod, so that the clothes can be quickly dried, and the sportsman can conveniently wear the clothes after the sportsman finishes moving, and the device embodies practicability;

then, through setting up the waist and taking exercise mechanism, users can sit on the first seat 6, place the foot on the pedal 13, carry on the movement through pulling the stretching rod 9, take exercise, while pulling, the first seat 6 will move on the slide rail 7, the first seat 6 is set up through the movable catch wheel 8 inside, facilitate sliding on the slide rail 7, have rubber handle 10 on the stretching rod 9, through holding, reduce the pressure effect of the stress of hand, facilitate the athlete to take exercise, the apparatus has reflected the practicability;

next, by providing the leg exercising mechanism, the athlete sits on the second seat 12, leans on the back seat on the back support plate 19, places the legs on the leg links 16, stretches the leg support frames 16 by being stressed, the leg links 16 are connected with the pressure telescopic rods 17, and gives telescopic power by being used for the telescopic rods to exercise, the sponge blocks 18 are respectively arranged on the back support plate 19 and the leg links 16 to prevent extruded pain when being stressed, and the waist exercising device is combined with the use of multiple functions, so that the device embodies practicability;

finally, through setting up adjustment mechanism, swivel bearing 29 is connected with rotary disk 4, make rotary disk 4 rotate, the user can move about ankle and waist above that, hold the bellied circular handrail on the bracing piece, and the main part of bracing piece 3 also can be done the chin and upwards, use through adjust knob 23, adjustable telescopic link 24's pressure intensity, realize through increaseing frictional force, connect jump ring 25's use, the atress is retrieved to the telescopic link 24 automation of being convenient for, increase user's use comfort, the device has embodied the practicality, this is exactly this kind of multi-functional sports track and field training device's theory of operation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. a multifunctional sports track and field training device, comprising an equipment device main body (1), a connecting base plate (2) and a support rod (3), it is characterized in that: one side of the equipment device main body (1) is fixedly connected with a connection A base plate (2), a support rod (3) is fixedly connected to one side of the surface of the connecting base plate (2), a rotating disk (4) is movably connected to one side of the support rod (3), and the connecting base plate (2) The other side of the surface of ) is fixedly connected with a waist exerciser (5).

A first seat (6) is movably connected to one side of the surface of the waist exerciser (5), and a slide rail (7) is fixedly connected to one side of the first seat (6). The inside of (6) is movably connected with a movable card wheel (8), the top side of the slide rail (7) is movably connected with a stretch rod (9), and one side surface of the stretch rod (9) is fixedly connected A rubber handle (10) is provided, a pedal (13) is fixedly connected to the bottom end of the stretch rod (9), and a connecting rod (14) is movably connected to one side of the stretch rod (9).

A support plate (11) is fixedly connected to the bottom of the stretch rod (9), and a second seat (12) is fixedly connected to one side of the surface of the support plate (11). The second seat (12) A leg connecting frame (16) is movably connected to the bottom of the leg connecting frame, a pressure telescopic rod (17) is movably connected to one side of the leg connecting frame (16), and the bottom end of the leg connecting frame (16) is fixedly connected with a A sponge block (18), one side of the second seat (12) is fixedly connected with a back support plate (19).

An adjusting knob (23) is movably connected to the bottom end of one side of the connecting rod (14), a telescopic rod (24) is movably connected to the top of the adjusting knob (23), and the periphery of the telescopic rod (24) is movably connected There is a connecting spring (25), and a rotating bearing (29) is movably connected inside the bottom end of the rotating disk (4).

2 . The multifunctional sports track and field training device according to claim 1 , wherein a fixed support block ( 15 ) is fixedly connected to one side of the bottom end of the second seat ( 12 ). 3 .

3 . The multifunctional sports track and field training device according to claim 1 , wherein a storage slot ( 20 ) is fixedly connected to one side of the pedal ( 13 ). 4 .

4 . The multifunctional sports track and field training device according to claim 1 , wherein a suspension rod ( 21 ) is fixedly connected to one side of the back support plate ( 19 ). 5 .

5 . The multifunctional sports track and field training device according to claim 4 , wherein a chuck ( 22 ) is fixedly connected to the bottom of the suspension rod ( 21 ). 6 .

6. A multifunctional sports track and field training device according to claim 1, characterized in that: a connecting block (26) is fixedly connected to one side of the support rod (3), and one of the connecting blocks (26) is fixedly connected to one side. A drawstring (27) is embedded and connected to the side, and a handle (28) is fixedly connected to one side of the drawstring (27).

7 . The multifunctional sports track and field training device according to claim 1 , wherein a regulator ( 30 ) is movably connected to one side of the rotating bearing ( 29 ). 8 .

8. A multifunctional sports track and field training device according to claim 1, characterized in that: the first seat (6) on one side of the surface of the waist exerciser (5), the first seat (6) is a The sliding rail (7) on the side, the movable card wheel (8) inside the first seat (6), the stretching rod (9) on the top side of the sliding rail (7), and the side surface of the stretching rod (9) The rubber handle (10), the pedal (13) at the bottom end of the stretching rod (9), and the connecting rod (14) on one side of the stretching rod (9) together form a waist exercise mechanism.

9. A multifunctional sports track and field training device according to claim 1, characterized in that: the support plate (11) at the bottom of the stretch rod (9), the second seat on the surface side of the support plate (11) A chair (12), a leg connecting frame (16) at the bottom of the second seat (12), a pressure telescopic rod (17) on one side of the leg connecting frame (16), and a sponge block at the bottom end of the leg connecting frame (16) (18), the back support plate (19) on one side of the second seat (12) together constitutes a leg exercise mechanism.

10. A multifunctional sports track and field training device according to claim 1, characterized in that: an adjustment knob (23) at the bottom end of one side of the connecting rod (14), a telescopic rod (24) at the top of the adjustment knob (23) ), the connecting circlip (25) on the periphery of the telescopic rod (24), and the rotating bearing (29) inside the bottom end of the rotating disc (4) together form an adjustment mechanism.