CN114949759B

CN114949759B - Body correcting and training device for aerobics exercises

Info

Publication number: CN114949759B
Application number: CN202210672633.1A
Authority: CN
Inventors: 谭健; 范旭东
Original assignee: Guangdong Institute of Science and Technology
Current assignee: Guangdong Institute of Science and Technology
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-07-04
Anticipated expiration: 2042-06-14
Also published as: CN114949759A

Abstract

The invention relates to an aerobics gymnastics body correcting and training device, which comprises a base and a cross rod, wherein both sides of the middle part of the base are respectively provided with a supporting device, both ends of the cross rod are respectively connected with the upper ends of the two supporting devices, and the base is provided with two sliding grooves respectively positioned at both sides of the cross rod; the sliding chute is connected with a pedal device in a sliding manner, a first screw rod is further arranged in the base, a first thread bush and a second thread bush are arranged on the first screw rod, and the two pedal devices are respectively fixed on the thread bush; the supporting device comprises a second screw rod and a lifting thread sleeve, the first screw rod is in transmission connection with the first screw rod through a transmission device, when the device is used, a dancer sits on the surface of the base plate, feet are placed on the foot pedals, the foot pedals move to two sides through the control device, the base plate is driven to descend through the transmission device, and therefore the dancer is assisted in completing splitting.

Description

Body correcting and training device for aerobics exercises

Technical Field

The invention relates to the technical field of body correction, in particular to a body correction training device for aerobics exercises.

Background

Aerobics exercises are sports which are popular with masses and have strong popularity, and integrate gymnastics, dances, music, body building and entertainment. Aerobics exercises are aerobic exercises, and are characterized by continuous middle-low degree whole body exercises for a certain time, and mainly exercise the heart and lung functions of exercisers, and are the basis of aerobic endurance quality. The jumping aerobics exercises have a plurality of benefits, can not only help us to effectively strengthen the body, but also have the effect of losing weight, and the exercise and weight-losing method integrates body building and body building, is particularly suitable for females, and is favored by vast females siblings. The gymnastics are composed of single actions, and are derived from actions of bare-handed gymnastics, artistic gymnastics, dances and the like, so that the gymnastics have high requirements on the strength of the gymnastics, and the gymnastics are composed of basic actions such as bending, stretching, rotating, winding, lifting, swinging, vibrating and the like of the parts such as head and neck, upper limbs, chest, waist, lower limbs and the like. Only if the bare-handed gymnastics are mastered correctly, it is possible to complete the gymnastics in a coordinated and accurate way.

However, the existing aerobics action correction training device is inconvenient to adjust and poor in adaptability, and cannot meet the training requirement; in the body training process, the dancer often needs to be subjected to body correction, if the action of the dancer is not standard enough in the body training process, the problems of joint damage, ligament sprain and the like are easily caused, and the damage is huge, wherein split, stretching, waist falling and seat body anteflexion are indispensable contents in the body training.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an aerobics body correcting and training device aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the aerobics gymnastics body correcting and training device comprises a base and a cross rod, wherein two telescopic supporting devices which are symmetrically arranged are arranged on the upper surface of the base, two sliding grooves which are respectively positioned on two sides of the cross rod are formed in the base, the sliding grooves are perpendicular to the cross rod, the sliding grooves are connected with a pedal device in a sliding manner, and a base plate is arranged on the cross rod;

the base is internally provided with a first screw, two ends of the first screw are respectively connected with two inner side walls of the base in a rotating way, the first screw is provided with a first thread part and a second thread part which are symmetrically arranged, and the first thread part and the second thread part are mutually in reverse threads; the first thread part is in threaded connection with a first thread sleeve, and the second thread part is connected with a second thread sleeve; the two pedal devices are respectively arranged on the first thread sleeve and the second thread sleeve, the supporting device comprises a base, a second screw rod which is vertically arranged is rotationally connected on the base, a lifting thread sleeve is connected on the second screw rod in a threaded manner, a fixed block is arranged at the upper end of the lifting thread sleeve, and two ends of the cross rod are respectively fixedly connected with the two fixed blocks;

the novel bevel gear comprises a base, and is characterized in that a first bevel gear is arranged on the first screw, a second bevel gear is fixed on the lower side of the second screw, two transmission devices which are respectively arranged on two sides of the first bevel gear are arranged in the base, each transmission device comprises a third bevel gear meshed with the first bevel gear, a fourth bevel gear meshed with the second bevel gear, and a connecting rod which is connected with the third bevel gear and the fourth bevel gear, a clutch is arranged between the first screw and the first bevel gear, and a driving motor which drives the first screw to rotate is arranged in the base.

Preferably, the pedal device further comprises a back plate, wherein two sides of one end of the back plate are rotationally connected with the fixed blocks, a swinging rod is rotationally connected with the pedal device close to the back plate, a push plate is rotationally connected with the other end of the swinging rod, and a clamping groove for clamping the push plate is formed in the lower side of the back plate.

Preferably, the swinging rod comprises two connecting rods which are connected in a rotating way, a first hand-screwed screw is arranged at the rotating connection position of the two connecting rods, a second hand-screwed screw is arranged at the rotating connection position of the swinging rod and the pedal device, and a baffle is further arranged on the base.

Preferably, the clutch comprises a connecting rod, a pressing plate, a spring fixing frame and a rod connecting piece, wherein the spring fixing frame is fixed on the end face of a first bevel gear, a driven disc is sleeved on the first screw, a push rod is connected to the driven disc, a pull rod is connected to the push rod through the rod connecting piece, a rod fixing piece is installed at the lower end of the pull rod, the side end face of the pressing plate is connected with the driven disc through the connecting rod, the end face of the pressing plate is connected with the spring fixing frame through a diaphragm spring, and a friction disc positioned between the pressing plate and the first bevel gear is connected to the first screw; the friction disc is characterized in that the first bevel gear is connected with the first screw rod through a bearing, at least two connecting grooves which are parallel to each other are formed in the upper surface of the first screw rod in a ring mode, and a clamping block sliding in the connecting grooves is arranged on the friction disc.

Preferably, the base is provided with a slot which is convenient for the pull rod to rotate and a rotating seat which is positioned at one side of the slot, the household pull rod is provided with a hemispherical deformable movable block, two fixing slots which are matched with the movable block in shape are arranged on one side wall of the rotating seat which faces the slot, and an arc-shaped slot is arranged between the two fixing slots.

Preferably, the support device is provided with a vertical supporting rod, the supporting rod is provided with a handle, the handle is provided with a control device, the control device comprises three control buttons, and the three control buttons are respectively a stop button, a lifting button and a descending button.

Preferably, the supporting device further comprises a supporting seat fixed on the upper surface of the base, a supporting shell sleeved on the lifting thread sleeve is fixed on the supporting seat, a sliding rail is arranged on the inner wall of the supporting shell, and a sliding block in sliding connection with the sliding rail is arranged on the lifting thread sleeve.

Preferably, the pedal device comprises a supporting block in sliding connection with the chute and a pedal plate fixed on the supporting block; the transmission device further comprises two bearing seats, and the connecting rod is rotationally connected with the bearing seats.

The invention has the beneficial effects that: the invention can help dancers to complete stretching training and splitting training; when the split training is carried out, a dancer sits on the surface of the base plate, then holds the grip by hands to assist in fixation, then places the foot above the pedal, after the dancer finds the position, the control device controls the driving motor to enable the first screw rod to rotate to drive the first screw sleeve and the second screw sleeve to move in the direction away from the cross rod, meanwhile, the first bevel gear also drives the second bevel gear to rotate through the transmission device to enable the second screw rod to rotate, the lifting screw sleeve descends to drive the base plate to descend, and therefore the pedal device can synchronously move in the direction away from the cross rod along with the descending of the base plate, so that the dancer is assisted in completing the split.

On the contrary, when dancer needs the split to end and need receive the foot, then control driving motor makes first screw rod reverse rotation, drive first thread bush and second thread bush and remove to the direction that is close to the horizontal pole, first bevel gear also can drive second bevel gear reverse rotation through transmission, make lift thread bush rise, drive the backing plate and rise, accomplish and receive the foot, this application can also adjust according to the people of different heights, the adjustment mode is, through controlling driving motor, adjust the backing plate to the height that is fit for dancer's height, then start the clutch, make first bevel gear and first screw rod no longer transmit the connection, control driving motor again, make pedal device get back to initial trample the position, and then return the clutch, thereby accomplish the adjustment.

The application can also be used for stretching training, and the specific method is as follows: through control driving motor, adjust the horizontal pole to the height that is fit for dancer's height, then start the clutch, dancer places one foot on the running-board, and another foot is placed on the horizontal pole, then control driving motor, make first screw rod rotate, drive pedal device to the direction removal of keeping away from the horizontal pole to this completion tensile training.

The invention is assisted by a machine in the whole process of stretching and splitting, the pressure applied to the legs is small, a dancer does not need to pedal the pedal device with force, the labor is saved, the injury of ligament stretching and the like caused by the excessive force of the dancer can be effectively prevented, and the safety guarantee of the dancer is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:

FIG. 1 is a schematic diagram of the overall structure of an aerobics body correcting training device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the transmission mechanism of the body correcting and training device for aerobics exercises according to the preferred embodiment of the invention;

FIG. 3 is a schematic cross-sectional view of an aerobics body correcting exercise device according to a preferred embodiment of the present invention;

fig. 4 is a schematic view of a clutch structure of an aerobics body correcting training device according to a preferred embodiment of the invention

Fig. 5 is a schematic side view of a rotating seat of an aerobics body correcting training device according to a preferred embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.

The aerobics body correcting and training device of the preferred embodiment of the invention is shown in figure 1, referring to figures 1-5, and comprises a base 1 and a cross rod 2, wherein the upper surface of the base 1 is provided with two telescopic supporting devices 3 which are symmetrically arranged, the base 1 is provided with two sliding grooves 11 which are respectively positioned at two sides of the cross rod 2, the sliding grooves 11 are vertical to the cross rod 2, the sliding grooves 11 are connected with pedal devices 4 in a sliding way, and the cross rod 2 is provided with a base plate 21;

the base 1 is internally provided with a first screw rod 5, two ends of the first screw rod 5 are respectively and rotatably connected with two inner side walls of the base 1, the first screw rod 5 is provided with a first thread part 51 and a second thread part 52 which are symmetrically arranged, and the first thread part 51 and the second thread part 52 are mutually in reverse threads; the first thread part 51 is connected with a first thread bush 53 in a threaded manner, and the second thread part 52 is connected with a second thread bush 54 in a threaded manner; the two pedal devices 4 are respectively arranged on the first thread sleeve 53 and the second thread sleeve 54, the supporting device 3 comprises a base 31, a second screw rod 32 which is vertically arranged is rotationally connected on the base 31, a lifting thread sleeve 33 is connected on the second screw rod 32 in a threaded manner, a fixed block 37 is arranged at the upper end of the lifting thread sleeve 33, and two ends of the cross rod 2 are respectively fixedly connected with the two fixed blocks 37;

the first screw rod 5 is provided with a first bevel gear 55, the lower side of the second screw rod 32 is fixedly provided with a second bevel gear 34, the base is internally provided with two transmission devices 6 which are respectively positioned at two sides of the first bevel gear 55, each transmission device 6 comprises a third bevel gear 61 meshed with the first bevel gear 55, a fourth bevel gear 62 meshed with the second bevel gear 34, and a connecting rod 63 connecting the third bevel gear 61 and the fourth bevel gear 62, a clutch 7 is arranged between the first screw rod 5 and the first bevel gear 55, and the base 1 is internally provided with a driving motor 10 for driving the first screw rod 5 to rotate.

The invention can help dancers to complete stretching training and splitting training; when the split training is carried out, a dancer sits on the surface of the base plate, then holds the grip by hands to assist in fixation, then places the foot above the pedal, after the dancer finds the position, the control device controls the driving motor to enable the first screw rod to rotate to drive the first screw sleeve and the second screw sleeve to move in the direction away from the cross rod, meanwhile, the first bevel gear also drives the second bevel gear to rotate through the transmission device to enable the second screw rod to rotate, the lifting screw sleeve descends to drive the base plate to descend, and therefore the pedal device can synchronously move in the direction away from the cross rod along with the descending of the base plate, so that the dancer is assisted in completing the split.

As shown in fig. 1, the training device of the invention further comprises a back plate 9, wherein two sides of one end of the back plate 9 are rotationally connected with a fixed block 37, a swinging rod 91 is rotationally connected with a pedal device 4 close to the back plate 9, the swinging rod 91 is specifically connected with a pedal, the other end of the swinging rod 91 is rotationally connected with a push plate 92, and the lower side of the back plate 9 is provided with a clamping groove for clamping the push plate 92; the invention can also be used for assisting a novice to perform lower waist training, and the specific method comprises the steps of adjusting the cross rod to a height suitable for the height of a dancer by a driving motor, pushing a push rod to separate a first bevel gear from a friction disc, driving a pedal plate to move close to one end of the cross rod by the driving motor, adjusting a back plate to be in a horizontal state, rotating a swinging rod, clamping the push plate into a clamping groove, screwing a first hand screw, enabling two connecting rods to be incapable of rotating with each other, enabling the dancer to sit on a backing plate, lying on the back plate, starting the driving motor, enabling the pedal plate to move in a direction far from the cross rod, driving the back plate to rotate downwards, enabling the dancer to lean backwards, starting the driving motor when the waist is required to be folded, enabling the pedal plate to move in a direction close to the cross rod, driving the back plate to rotate upwards, and completing waist folding.

As shown in fig. 1, the swinging rod 91 comprises two connecting rods 911 which are connected in a rotating way, a first hand-screwed screw is arranged at the rotating connection position of the two connecting rods 911, a second hand-screwed screw is arranged at the rotating connection position of the swinging rod 91 and the pedal device, a baffle plate 93 is further arranged on the base 1, and two swinging rods are respectively positioned at two sides of the pedal; the invention can also be used for seat body precursor training, in particular, the swinging rod is rotated to enable the swinging rod to be vertical to the upper surface of the base, the second hand-screwed screw is screwed up, the swinging rod is enabled to maintain a state vertical to the upper surface of the base, the connecting rod positioned at the upper side is rotated to enable the connecting rod to be parallel to the upper surface of the base, the first hand-screwed screw is screwed up, the connecting rod is enabled to maintain a state parallel to the upper surface of the base, when a dancer sits on the base, legs are folded and simultaneously support against the baffle plate, and the waist and the back are straightened, at the moment, the pedal device is driven by the driving motor to drive the swinging rod to push forwards, the push plate is supported against the waist and the back of the dancer and push the front pressure of the dancer, and the push plate rotates along with the downward pressure of the dancer, so that the push plate is always attached to the waist and the back of the dancer, and the seat body precursor training can be completed.

As shown in fig. 4, the clutch 7 comprises a connecting rod 70, a pressing plate 71, a spring fixing frame 72 and a rod connecting piece 75, the spring fixing frame 72 is fixed on the end face of the first bevel gear 55, a driven disc 73 is sleeved on the first screw 5, a push rod 74 is connected to the driven disc 73, the push rod 74 is connected with a pull rod 76 through the rod connecting piece 75, a rod fixing piece 77 is installed at the lower end of the pull rod 76, the side end face of the pressing plate 71 is connected with the driven disc 73 through the connecting rod 70, the end face of the pressing plate 71 is connected with the spring fixing frame 72 through a diaphragm spring 78, and a friction disc 79 positioned between the pressing plate 71 and the first bevel gear 55 is connected with the first screw 5;

the first bevel gear 55 is connected with the first screw 5 through a bearing, at least two mutually parallel connecting grooves are annularly and uniformly distributed on the first screw on the upper surface of the first screw 5, clamping blocks sliding in the connecting grooves are arranged on the friction plate 79, the inner wall of a round hole in the middle of the friction plate 79 is specifically arranged on the friction plate 79, an elastic piece is arranged in the connecting grooves, one end of the elastic piece is connected with the clamping blocks, and the other end of the elastic piece is connected with one side wall of the connecting groove close to the first bevel gear; when the clutch is in an initial state, the pressing plate presses the friction disc, the elastic piece is in a compression state, and at the moment, if the first screw rod rotates, the friction disc is driven to rotate, and meanwhile, the first bevel gear attached to the friction disc rotates; when the pull rod is pushed backwards, the driven plate is driven to move forwards, the pressing plate is pulled backwards, the elastic piece rebounds at the moment, the friction plate 79 is driven to slide backwards along the connecting groove, the friction plate is not attached to the first bevel gear 55, the first bevel gear 55 is not connected with the first screw in a transmission mode, the first screw rotates and drives the friction plate to rotate, and at the moment, the first bevel gear cannot follow to rotate.

As shown in fig. 5, a slot 12 for facilitating the rotation of a pull rod 76 and a rotating seat 13 positioned at one side of the slot 12 are arranged on the base 1, a hemispherical deformable movable block 761 is arranged on the pull rod 76, two fixed slots 131 matched with the movable block 761 in shape are arranged on one side wall of the rotating seat 13 facing the slot 12, and an arc-shaped slot 132 is arranged between the two fixed slots 131; when the pull rod 76 is pulled, the movable block 761 is deformed and separated from the fixed groove 131, the movable block 761 slides along the arc-shaped groove, and the prototype is restored when the movable block 761 is opposite to the other fixed groove 131, and is clamped into the fixed groove 131 to complete fixation.

As shown in fig. 1, the supporting device 3 is provided with a vertical supporting rod 22, the supporting rod 22 is provided with a handle 23, the handle 23 is provided with a control device 8, and the control device 8 comprises three control buttons, namely a stop button, a lifting button and a descending button; the driving motor is connected with a control chip, the control device is connected with the control chip in a wireless mode, the control chip receives control signals of the control device and controls the driving motor according to the signals, the driving motor is particularly a stepping motor, and the driving motor can be connected with the first screw through a belt in a transmission mode or connected with the first screw through a gear in a transmission mode.

As shown in fig. 3, the supporting device 3 further comprises a supporting seat 35 fixed on the upper surface of the base 1, a supporting housing 36 sleeved on the lifting thread sleeve 33 is fixed on the supporting seat 35, a sliding rail 361 is arranged on the inner wall of the supporting housing 36, and a sliding block 331 in sliding connection with the sliding rail 361 is arranged on the lifting thread sleeve 33; when the second screw rod can be prevented from rotating, the lifting thread sleeve rotates along with the second screw rod, and meanwhile lifting of the lifting thread sleeve is not influenced.

As shown in fig. 3, the pedal device 4 includes a support block 41 slidably connected to the chute 11, and a pedal 42 fixed to the support block 41; the transmission device 6 further comprises two bearing seats 64, and the connecting rod 63 is rotationally connected with the bearing seats 64; the pedal is arranged to be convenient for a dancer to tread, the upper surface of the pedal can adopt a concave mode to facilitate the dancer to find the tread position, the feet of the dancer cannot easily slide out of the pedal, the connecting rod passes through the bearing seat, and the bearing seat provides stable support for the rotating connecting rod.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims

1. The utility model provides an aerobics exercises physique correction trainer, its characterized in that includes base (1) and horizontal pole (2), the upper surface of base (1) is equipped with two telescopic strutting arrangement (3) of symmetry setting, be equipped with two spout (11) that are located respectively on horizontal pole (2) both sides on base (1), spout (11) perpendicular to horizontal pole (2), spout (11) sliding connection has pedal device (4), be equipped with backing plate (21) on horizontal pole (2);

a first screw rod (5) is arranged in the base (1), two ends of the first screw rod (5) are respectively connected with two inner side walls of the base (1) in a rotating mode, a first threaded portion (51) and a second threaded portion (52) which are symmetrically arranged are arranged on the first screw rod (5), and the first threaded portion (51) and the second threaded portion (52) are mutually in reverse threads; the first threaded part (51) is in threaded connection with a first threaded sleeve (53), and the second threaded part (52) is connected with a second threaded sleeve (54); the two pedal devices (4) are respectively arranged on the first thread sleeve (53) and the second thread sleeve (54), the supporting device (3) comprises a base (31), a second screw (32) which is vertically arranged is rotationally connected on the base (31), a lifting thread sleeve (33) is connected on the second screw (32) in a threaded manner, a fixed block (37) is arranged at the upper end of the lifting thread sleeve (33), and two ends of the cross rod (2) are respectively fixedly connected with the two fixed blocks (37);

the novel screw comprises a base (1), and is characterized in that a first bevel gear (55) is arranged on a first screw (5), a second bevel gear (34) is fixed on the lower side of a second screw (32), two transmission devices (6) which are respectively positioned on two sides of the first bevel gear (55) are arranged in the base (1), each transmission device (6) comprises a third bevel gear (61) meshed with the first bevel gear (55), a fourth bevel gear (62) meshed with the second bevel gear (34), and a connecting rod (63) connected with the third bevel gear (61) and the fourth bevel gear (62), a clutch (7) is arranged between the first screw (5) and the first bevel gear (55), and a driving motor (10) for driving the first screw (5) to rotate is arranged in the base (1);

still include backplate (9), the both sides of the one end of backplate (9) with fixed block (37) rotate and are connected, are close to the rotation of pedal device (4) of backplate (9) is connected with rocking rod (91), the other end rotation of rocking rod (91) is connected with push pedal (92), backplate (9) downside is equipped with the joint the draw-in groove of push pedal (92).

2. The aerobics body correcting and training device according to claim 1, wherein the swinging rod (91) comprises two connecting rods (911) which are connected in a rotating way, a first hand-screwing screw is arranged at the rotating connection position of the two connecting rods (911), a second hand-screwing screw is arranged at the rotating connection position of the swinging rod (91) and the pedal device (4), and a baffle plate (93) is further arranged on the base (1).

3. The aerobics body correcting and training device according to claim 1, wherein the clutch (7) comprises a connecting rod (70), a pressing plate (71), a spring fixing frame (72) and a rod connecting piece (75), the spring fixing frame (72) is fixed on the end face of the first bevel gear (55), a driven disc (73) is sleeved on the first screw (5), a push rod (74) is connected to the driven disc (73), the push rod (74) is connected with a pull rod (76) through the rod connecting piece (75), and a rod fixing piece (77) is installed at the lower end of the pull rod (76); the side end face of the pressing plate (71) is connected with the driven disc (73) through a connecting rod (70), the end face of the pressing plate (71) is connected with a spring fixing frame (72) through a diaphragm spring (78), and the first screw (5) is connected with a friction disc (79) positioned between the pressing plate (71) and the first bevel gear (55); the first bevel gear (55) is connected with the first screw (5) through a bearing, at least two connecting grooves which are parallel to each other are annularly arranged on the upper surface of the first screw (5), and a clamping block sliding in the connecting grooves is arranged on the friction disc (79).

4. An aerobics body correcting and training device according to claim 3, characterized in that the base (1) is provided with a slot (12) which is convenient for the pull rod (76) to rotate, and a rotating seat (13) which is positioned at one side of the slot (12), the pull rod (76) is provided with a hemispherical deformable movable block (761), one side wall of the rotating seat (13) which faces the slot (12) is provided with two fixed slots (131) which are matched with the movable block (761) in shape, and an arc-shaped slot (132) is arranged between the two fixed slots (131).

5. The aerobics body correcting and training device according to claim 1, characterized in that the supporting device (3) is provided with a vertical supporting rod (22), the supporting rod (22) is provided with a grip (23), the grip (23) is provided with a control device (8), and the control device (8) comprises three control buttons, namely a stop button, a lifting button and a descending button.

6. The aerobics body correcting and training device according to claim 1, wherein the supporting device (3) further comprises a supporting seat (35) fixed on the upper surface of the base (1), a supporting shell (36) sleeved on the lifting thread sleeve (33) is fixed on the supporting seat (35), a sliding rail (361) is arranged on the inner wall of the supporting shell (36), and a sliding block (331) in sliding connection with the sliding rail (361) is arranged on the lifting thread sleeve (33).

7. Aerobics body correcting training device according to claim 1, characterized in that the pedal device (4) comprises a support block (41) slidingly connected with the chute (11), and a pedal (42) fixed on the support block (41); the transmission device (6) further comprises two bearing seats (64), and the connecting rod (63) is rotatably connected with the bearing seats (64).