CN113069728A

CN113069728A - Flexible training auxiliary device of aerobics exercises

Info

Publication number: CN113069728A
Application number: CN202110297049.8A
Authority: CN
Inventors: 王海金; 王文霞
Original assignee: Dongying Vocational College Of Science & Technology
Current assignee: Dongying Vocational College Of Science & Technology
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-07-06
Anticipated expiration: 2041-03-19
Also published as: CN113069728B

Abstract

The invention relates to the technical field of training equipment and discloses a building exercise flexibility training auxiliary device which comprises a mounting plate, wherein two supporting plates are arranged below the mounting plate, the upper ends of the two supporting plates are obliquely and fixedly connected with two supporting legs, the two supporting legs are distributed in a splayed shape, the upper ends of the supporting legs are fixedly connected with the lower end of the mounting plate, a strip-shaped through hole is formed in the side wall of the mounting plate in a penetrating mode, a rectangular rod is fixedly connected in the strip-shaped through hole, a transmission mechanism is connected to the rod wall of the rectangular rod, the mounting plate is connected with a seat through the transmission mechanism, two handles are symmetrically and fixedly connected to the side wall of the seat. This pliable and tough training auxiliary device of aerobics exercises can be applicable to the training person of different training periods and different constitutions and be suitable for, and the training person can adjust training intensity by oneself simultaneously, need not coach personnel or the long-time supplementary cooperation of companion.

Description

Flexible training auxiliary device of aerobics exercises

Technical Field

The invention relates to the technical field of training equipment, in particular to a flexible training auxiliary device for aerobics exercises.

Background

The aerobics exercises are sports which integrate gymnastics, music and dancing and pursue the health and beauty of human bodies, therefore, the aerobics exercises have a plurality of social culture functions such as sports, dancing, music, beautiful education and the like, the aerobics exercises are fitness items which control the weight to quickly become fat well after middle-aged, the aerobics also belong to two categories of fitness and sports, the aerobics mainly used for fitness aims at the fitness exercise, the sports aerobics aims at the training according to the rules, the warm-up exercise is necessary before the aerobics training, after the flexibility of the body is fully developed, the range of motion of human joints is obviously enlarged, and the flexibility of the joints is also enhanced. The exercise is more harmonious, accurate and beautiful, meanwhile, the injury of soft tissues such as joints, muscles and the like caused by the increase of action amplitude and the over-violent torsion can be reduced in sports activities and daily life, and particularly, for a beginner, the flexibility exercises such as transverse forks, vertical forks, half splits, leg positive pressure, leg pressure measurement, leg positive kicking, leg side kicking, waist falling and the like are required to be carried out during the exercise of aerobics exercises.

At present, the equipment structure for training body flexibility is fairly simple, and some equipment are installed at the wall, and more flexibility training then directly goes on ground, also needs the companion to carry out the cooperation training when necessary, especially when carrying out primary fork action, and the coach usually directly presses training person's body to assist and accomplishes, and the ligament that this in-process very easily leads to trainee's shank appears the wound.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a training auxiliary device for aerobics exercises, which has the advantages of wide application range, high safety, suitability for trainers in different training periods and different physiques, capability of self-adjusting the training intensity of the trainers, no need of long-time auxiliary cooperation of trainers or companions and the like, and solves the problem that the trainees need to cooperate to train, especially when primary forking action is carried out, the trainers usually directly press the bodies of the trainers to assist the training, and the leg ligaments of the trainees are easily injured.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a flexible training auxiliary device for aerobics exercises comprises a mounting plate, wherein two supporting plates are arranged below the mounting plate, the upper ends of the two supporting plates are obliquely and fixedly connected with two supporting legs, the two supporting legs are distributed in a splayed shape, the upper ends of the supporting legs are fixedly connected with the lower end of the mounting plate, the side wall of the mounting plate is provided with a strip-shaped through hole in a penetrating way, a rectangular rod is fixedly connected in the strip-shaped through hole, the rod wall of the rectangular rod is connected with a transmission mechanism, the mounting plate is connected with a seat through the transmission mechanism, two handles are symmetrically and fixedly connected with the side wall of the seat, the two opposite sides of the mounting plate are respectively fixedly connected with a transverse plate, the upper ends of the two transverse plates are respectively provided with a mounting groove, a rectangular plate is slidably connected in the mounting groove, the utility model discloses a fixing device for a motor vehicle, including the drive shaft, the drive shaft is connected with reciprocating mechanism on the pole wall of drive shaft, the both sides that the breach is relative all have the transfer line through rectangle through-hole sliding connection, and the transfer line is parallel to each other with the diaphragm, be connected with reciprocating mechanism on the pole wall of transfer line, the upper end of mounting panel is equipped with the limiting plate, one side fixedly connected with rectangular pipe of limiting plate, the rectangular pipe internal connection has fixed establishment, the fixed slot with fixed establishment matched with is seted up to the upper end of mounting panel, two three hornblocks of one side fixedly connected with of limiting plate, two the equal fixedly connected with rectangle cover of lower extreme of three.

Preferably, drive mechanism includes transmission piece and connecting block, the lateral wall of transmission piece and connecting block all cup joints through the pole wall slip of square hole and rectangle pole, the upper end of connecting block and the lower extreme fixed connection of seat, the lead screw has been cup jointed through the through-hole slip to the lateral wall of connecting block, threaded connection has the internal thread sleeve pipe on the pole wall of lead screw, the lateral wall of transmission piece passes through round hole and internal thread sleeve pipe wall fixed connection, the lower extreme fixedly connected with fixed block of mounting panel, the first motor of one side fixedly connected with of fixed block, the output of first motor run through the lateral wall of fixed block and with the one end of lead screw with axle center fixed connection.

Preferably, a first spring is sleeved on the rod wall of the screw rod in a sliding manner, one end of the first spring is fixedly connected with one side of the transmission block, and the other end of the first spring is in contact with one side of the connecting block.

Preferably, reciprocating mechanism is including seting up the bar opening on the transfer line pole wall, sliding connection has the transmission shaft in the bar opening, the lower extreme fixedly connected with carousel of transmission shaft, fixedly connected with fixed plate in the breach, one side fixedly connected with second motor of fixed plate, the output of second motor run through the lateral wall of fixed plate and with the same axle center fixed connection of lower extreme of carousel, the equal fixedly connected with pull rod in both ends of transfer line, two the pull rod is parallel to each other, one end of pull rod and one side fixed connection of rectangular plate, the directional sliding sleeve of lower extreme fixedly connected with of pull rod, sliding connection has the locating lever in the directional sliding sleeve, the one end of locating lever and one side fixed connection of diaphragm.

Preferably, the fixed establishment is including violently managing, the upper end fixed connection that the pipe wall of violently managing passes through pilot hole and rectangular pipe, the locating piece has been cup jointed in the rectangle intraductal slip, the one end of locating piece extends to in the fixed slot and has seted up the inclined plane, the other end fixedly connected with stay cord of locating piece, the one end of stay cord extends to in the violently pipe, the lateral wall of stay cord has cup jointed the second spring, the one end of second spring and the upper end fixed connection of locating piece, the other end fixedly connected with spacer of second spring, the lateral wall of spacer cup joints through round mouthful and stay cord.

Preferably, a rotating shaft is rotatably connected in the transverse pipe through a rolling bearing, two ends of the rotating shaft penetrate through the rolling bearing and are fixedly connected with a rotating shaft, one end of the rotating shaft extends out of the transverse pipe and is fixedly connected with a brake rod, the upper end of the pull rope is fixedly connected with the shaft wall of the rotating shaft, a limiting rod is fixedly connected to the pipe wall of the transverse pipe, and the rod wall of the limiting rod is in contact with the rod wall of the brake rod.

(III) advantageous effects

Compared with the prior art, the invention provides a flexible training auxiliary device for aerobics exercises, which has the following beneficial effects:

1. when the invention is used, a trainee is on the chair, then the two legs are spread and placed on the transverse plate, the first motor is started to drive the screw rod to rotate, the screw rod rotates and interacts with the internal thread sleeve to drive the transmission block to move, the transmission block moves to drive the first spring to extrude the connection block to move, the connection block moves to drive the chair to move the body of the trainee, when the trainee moves, the two legs are limited by the limit plate to change the spreading angle of the two legs, thereby the flexibility training of the legs can be completed on the transverse plate and the mounting plate, the training strength can be mastered by the trainee, the ligament of the legs is avoided being injured, after the trainee adapts to the tensile strength of the legs, the trainee can push the handle to drive the chair to bear force, when the chair bears force, the connection block is driven to continuously slide on the rectangular rod, further, after interaction for a certain distance, the handle is released, and the chair is reset after the rebound force of the legs of the trainee, and then can conveniently rock the trainee's health when training, make trainee's shank ligament obtain continuous the extension of exerting pressure, improved the effect of pliable and tough training, the reciprocating mechanism who sets up on the mounting panel can drive rectangular plate reciprocating motion, can play the effect that the massage was relaxed to trainee's shank during rectangular plate reciprocating motion, makes trainee's shank obtain effectual relaxing.

2. When the reciprocating mechanism is arranged, the second motor is started to drive the rotary table to rotate, the rotary table rotates to drive the transmission shaft to do circular motion, the transmission shaft can slide in the strip-shaped opening when doing circular motion, the transmission shaft drives the transmission rod to do reciprocating motion when sliding, the pull rod is driven to make the rectangular plate do reciprocating motion when the transmission rod moves, the rectangular plate is matched with the limiting block to shake the legs of a trainee when moving, and then the legs of the trainee can be shaken to play a role in massaging and relaxing, so that the leg ligaments of the trainee are effectively trained, and the flexibility training effect is improved.

3. When the fixing mechanism is used, a horizontal pipe arranged on the rectangular pipe is convenient for a trainee to support to keep body balance, when the ligament of the leg is excessively stretched, a hand is directly used for pulling the brake rod, the brake rod drives the rotating shaft to rotate when stressed, the pull rope can be wound when the rotating shaft rotates, the distance is shortened when the pull rope is wound, the positioning block can be pulled to move and separate from the fixed groove, the rectangular pipe is released from positioning after the positioning block is separated from the fixed groove, the limiting plate drives the triangular block to move, the triangular block moves to drive the rectangular sleeve to slide on the guide rod, and the limiting plate is further far away from the seat, so that the stretching force of the leg of the trainee is rapidly cancelled, and the ligament of the trainee is prevented from being seriously pulled during training.

Drawings

FIG. 1 is a schematic structural view of a device for assisting in the training of aerobics exercises according to the present invention;

FIG. 2 is a cross-sectional view of the mounting plate of FIG. 1 in a flexible training aid for aerobics exercises in accordance with the present invention;

FIG. 3 is a schematic structural view of the fixing mechanism in the rectangular tube of FIG. 1 for training the flexibility of aerobics exercises according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 illustrating a device for assisting in the training of aerobics exercises according to the present invention;

FIG. 5 is a schematic structural view of the cross plate and the mounting plate of FIG. 1 of the device for aiding in the training of aerobics exercises according to the present invention;

FIG. 6 is a schematic structural view of the transmission mechanism of FIG. 5 illustrating a device for training the flexibility of aerobics exercises according to the present invention;

fig. 7 is a rear view of the aerobics flexible training aid of the present invention as shown in fig. 1.

In the figure: 1. mounting a plate; 2. a transverse tube; 3. a brake lever; 4. a limiting rod; 5. a limiting plate; 6. a transverse plate; 7. a triangular block; 8. a guide bar; 9. a rectangular sleeve; 10. a pull rod; 11. a support plate; 12. supporting legs; 13. a second motor; 14. a transmission rod; 15. a seat; 16. a handle; 17. a rectangular tube; 18. connecting blocks; 19. a transmission block; 20. a screw rod; 21. a first motor; 22. fixing grooves; 23. a rectangular bar; 24. an internally threaded sleeve; 25. a first spring; 26. a strip-shaped opening; 27. a drive shaft; 28. a turntable; 29. a directional sliding sleeve; 30. positioning a rod; 31. a rectangular plate; 32. a limiting block; 33. positioning blocks; 34. a second spring; 35. positioning plates; 36. pulling a rope; 37. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1 to 7, a flexible training auxiliary device for aerobics exercises, comprising a mounting plate 1, two support plates 11 are arranged below the mounting plate 1, two support legs 12 are fixedly connected to the upper ends of the two support plates 11 in an inclined manner, the two support legs 12 are distributed in a splayed manner, the upper ends of the support legs 12 are fixedly connected to the lower end of the mounting plate 1, a strip-shaped through hole is formed in the side wall of the mounting plate 1 in a penetrating manner, a rectangular rod 23 is fixedly connected to the strip-shaped through hole, a transmission mechanism is connected to the rod wall of the rectangular rod 23 and comprises a transmission block 19 and a connecting block 18, the side walls of the transmission block 19 and the connecting block 18 are slidably sleeved with the rod wall of the rectangular rod 23 through square holes, the upper end of the connecting block 18 is fixedly connected to the lower end of a seat 15, a lead screw 20 is slidably sleeved on the side wall of the connecting block 18 through the through hole, the lower end of the mounting plate 1 is fixedly connected with a fixed block, one side of the fixed block is fixedly connected with a first motor 21, the output end of the first motor 21 penetrates through the side wall of the fixed block and is fixedly connected with one end of a screw rod 20 coaxially, a first spring 25 is sleeved on the rod wall of the screw rod 20 in a sliding manner, one end of the first spring 25 is fixedly connected with one side of a transmission block 19, the other end of the first spring 25 is contacted with one side of a connecting block 18, the mounting plate 1 is connected with a seat 15 through a transmission mechanism, the side wall of the seat 15 is symmetrically and fixedly connected with two handles 16, two opposite sides of the mounting plate 1 are fixedly connected with transverse plates 6, the upper ends of the two transverse plates 6 are respectively provided with a mounting groove, a rectangular plate 31 is connected in the mounting groove in a sliding manner, the upper end of the rectangular plate 31 is fixedly connected with a limit block 32, and transfer line 14 is parallel to each other with diaphragm 6, be connected with reciprocating mechanism on the pole wall of transfer line 14, the upper end of mounting panel 1 is equipped with limiting plate 5, one side fixedly connected with rectangular pipe 17 of limiting plate 5, rectangular pipe 17 in-connection has fixed establishment, the upper end of mounting panel 1 is seted up with fixed establishment matched with fixed slot 22, two triangle blocks 7 of one side fixedly connected with of limiting plate 5, the equal fixedly connected with rectangle cover 9 of lower extreme of two triangle blocks 7, sliding connection has guide bar 8 in the rectangle cover 9, the one end of guide bar 8 and one side fixed connection of diaphragm 6.

When the invention is used, a trainee is on a seat 15, then two legs are spread and placed on a transverse plate 6, a first motor 21 is started to drive a screw rod 20 to rotate, the screw rod 20 rotates to interact with an internal thread sleeve 24 to drive a transmission block 19 to move, the transmission block 19 moves to drive a first spring 25 to extrude a connecting block 18 to move, the connecting block 18 moves to drive the seat 15 to move the body of the trainee, the spread angle of the two legs is changed under the limiting action of a limiting plate 5 when the trainee moves, so that the flexibility training of the legs can be completed on the transverse plate 6 and a mounting plate 1, the training strength can be mastered by the trainee to avoid injuring ligaments of the legs, after the trainee adapts to the tensile strength of the legs, the trainee can push a handle 16 to drive the seat 15 to bear force, the connecting block 18 is driven to continuously slide on a rectangular rod 23 when the seat 15 bears force, so as to further loosen the handle 16 after a certain distance of interaction, receive the bounce back seat 15 of trainee's shank and reset, and then can conveniently rock the trainee's health when training, make trainee's shank ligament obtain continuous application of pressure and stretch, the effect of pliable and tough training has been improved, the reciprocating mechanism that sets up on mounting panel 1 can drive rectangular plate 31 reciprocating motion, can play the effect that the massage was relaxed to trainee's shank during rectangular plate 31 reciprocating motion, make trainee's shank obtain effectual relaxation.

Example 2: the difference is based on example 1;

referring to fig. 1 and 5, the reciprocating mechanism includes a bar-shaped opening 26 formed in the wall of the transmission rod 14, a transmission shaft 27 is slidably connected in the bar-shaped opening 26, a lower end fixedly connected with a turntable 28 of the transmission shaft 27, a fixing plate is fixedly connected in a notch, a second motor 13 is fixedly connected to one side of the fixing plate, an output end of the second motor 13 penetrates through the side wall of the fixing plate and is fixedly connected with the lower end of the turntable 28 with the same axle center, pull rods 10 are fixedly connected to both ends of the transmission rod 14, the two pull rods 10 are parallel to each other, one end of each pull rod 10 is fixedly connected with one side of a rectangular plate 31, a directional sliding sleeve 29 is fixedly connected to the lower end of each pull rod 10, a positioning rod 30 is slidably.

When the reciprocating mechanism is arranged, the second motor 13 is started to drive the rotary table 28 to rotate, the rotary table 28 rotates to drive the transmission shaft 27 to do circular motion, the transmission shaft 27 can slide in the strip-shaped opening 26 when doing circular motion, the transmission shaft 27 drives the transmission rod 14 to do reciprocating motion when sliding, the transmission rod 14 drives the pull rod 10 to make the rectangular plate 31 do reciprocating motion when doing motion, the rectangular plate 31 is matched with the limiting block 32 to shake the legs of a trainee when doing motion, and then the legs of the trainee can be shaken to play a role in massaging and relaxing, so that the leg ligaments of the trainee are effectively trained, and the effect of flexibility training is improved.

Example 3: the difference is based on example 1;

referring to fig. 1 and 3, the fixing mechanism includes a horizontal tube 2, a tube wall of the horizontal tube 2 is fixedly connected with an upper end of a rectangular tube 17 through an assembly hole, a positioning block 33 is slidably sleeved in the rectangular tube 17, one end of the positioning block 33 extends into a fixing groove 22 and is provided with an inclined surface, the other end of the positioning block 33 is fixedly connected with a pull rope 36, one end of the pull rope 36 extends into the horizontal tube 2, a second spring 34 is sleeved on a side wall of the pull rope 36, one end of the second spring 34 is fixedly connected with an upper end of the positioning block 33, the other end of the second spring 34 is fixedly connected with a positioning piece 35, a side wall of the positioning piece 35 is sleeved with the pull rope 36 through a round opening, a rotating shaft 37 is rotatably connected in the horizontal tube 2 through a rolling bearing, two ends of the rotating shaft 37 both pass through the rolling bearing and are fixedly connected with a rotating shaft, the pipe wall of the transverse pipe 2 is fixedly connected with a limiting rod 4, and the rod wall of the limiting rod 4 is contacted with the rod wall of the brake rod 3.

According to the fixing mechanism provided by the invention, when the fixing mechanism is used, the transverse pipe 2 arranged on the rectangular pipe 17 is convenient for a trainee to support and keep body balance, when a leg ligament is excessively stretched, the brake lever 3 is directly pulled by hands, the brake lever 3 drives the rotating shaft to rotate when stressed, the rotating shaft 37 can wind the pull rope 36 when rotated, the distance is shortened when the pull rope 36 is wound, the positioning block 33 can be pulled to move and be separated from the fixed groove 22, the rectangular pipe 17 is released from positioning after the positioning block 33 is separated from the fixed groove 22, the limiting plate 5 drives the triangular block 7 to move, the triangular block 7 moves to drive the rectangular sleeve 9 to slide on the guide rod 8, and the limiting plate 5 is further far away from the seat 15, so that the leg stretching force of the trainee is rapidly removed, and the ligament of the trainee is prevented from being seriously pulled.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pliable and tough training auxiliary device of aerobics exercises, includes mounting panel (1), its characterized in that: the lower part of the mounting plate (1) is provided with two supporting plates (11), the upper ends of the two supporting plates (11) are fixedly connected with two supporting legs (12) in an inclined manner, the two supporting legs (12) are distributed in a splayed manner, the upper ends of the supporting legs (12) are fixedly connected with the lower end of the mounting plate (1), the side wall of the mounting plate (1) is penetrated and provided with a strip-shaped through hole, a rectangular rod (23) is fixedly connected in the strip-shaped through hole, the rod wall of the rectangular rod (23) is connected with a transmission mechanism, the mounting plate (1) is connected with a seat (15) through the transmission mechanism, the side wall of the seat (15) is symmetrically and fixedly connected with two handles (16), the two opposite sides of the mounting plate (1) are fixedly connected with transverse plates (6), the upper ends of the transverse plates (6) are provided, the upper end fixedly connected with triangle-shaped structure's of rectangular plate (31) stopper (32), the one end of diaphragm (6) is seted up jaggedly, the both sides that the breach is relative all have transfer line (14) through rectangle through-hole sliding connection, and transfer line (14) are parallel to each other with diaphragm (6), be connected with reciprocating mechanism on the pole wall of transfer line (14), the upper end of mounting panel (1) is equipped with limiting plate (5), one side fixedly connected with rectangular pipe (17) of limiting plate (5), the in-connection of rectangular pipe (17) has fixed establishment, the upper end of mounting panel (1) is seted up with fixed establishment matched with fixed slot (22), one side fixedly connected with two triangular blocks (7) of limiting plate (5), two equal fixedly connected with rectangle cover (9) of lower extreme of triangular block (7), sliding connection has guide bar (8) in rectangle cover (9), one end of the guide rod (8) is fixedly connected with one side of the transverse plate (6).

2. A aerobics pliability training aid as claimed in claim 1 wherein: drive mechanism includes transmission block (19) and connecting block (18), the lateral wall of transmission block (19) and connecting block (18) all cup joints through the pole wall slip of square hole and rectangle pole (23), the upper end of connecting block (18) and the lower extreme fixed connection of seat (15), lead screw (20) have been cup jointed through the through-hole slip to the lateral wall of connecting block (18), threaded connection has female thread sleeve pipe (24) on the pole wall of lead screw (20), the lateral wall of transmission block (19) passes through the pipe wall fixed connection of round hole and female thread sleeve pipe (24), the lower extreme fixedly connected with fixed block of mounting panel (1), the first motor (21) of one side fixedly connected with of fixed block, the output of first motor (21) runs through the lateral wall of fixed block and with the same axle center fixed connection of one end of lead screw (20).

3. A aerobics pliability training aid as claimed in claim 2 wherein: the lead screw is characterized in that a first spring (25) is sleeved on the rod wall of the lead screw (20) in a sliding mode, one end of the first spring (25) is fixedly connected with one side of the transmission block (19), and the other end of the first spring (25) is in contact with one side of the connecting block (18).

4. A aerobics pliability training aid as claimed in claim 1 wherein: the reciprocating mechanism comprises a strip-shaped opening (26) arranged on the rod wall of the transmission rod (14), a transmission shaft (27) is connected in the strip-shaped opening (26) in a sliding way, the lower end of the transmission shaft (27) is fixedly connected with a rotary table (28), a fixed plate is fixedly connected in the gap, one side of the fixed plate is fixedly connected with a second motor (13), the output end of the second motor (13) penetrates through the side wall of the fixing plate and is fixedly connected with the lower end of the rotating disc (28) coaxially, both ends of the transmission rod (14) are fixedly connected with pull rods (10), the two pull rods (10) are parallel to each other, one end of the pull rod (10) is fixedly connected with one side of the rectangular plate (31), the lower end of the pull rod (10) is fixedly connected with a directional sliding sleeve (29), a positioning rod (30) is connected in the directional sliding sleeve (29) in a sliding mode, and one end of the positioning rod (30) is fixedly connected with one side of the transverse plate (6).

5. A aerobics pliability training aid as claimed in claim 1 wherein: fixed establishment is including violently managing (2), the upper end fixed connection that the pipe wall of violently managing (2) passes through pilot hole and rectangular pipe (17), slide in rectangular pipe (17) and cup jointed locating piece (33), the one end of locating piece (33) extends to in fixed slot (22) and has seted up the inclined plane, the other end fixedly connected with stay cord (36) of locating piece (33), the one end of stay cord (36) extends to in violently managing (2), second spring (34) have been cup jointed to the lateral wall of stay cord (36), the one end of second spring (34) and the upper end fixed connection of locating piece (33), the other end fixedly connected with spacer (35) of second spring (34), the lateral wall of spacer (35) cup joints through round mouth and stay cord (36).

6. A aerobics pliability training aid as claimed in claim 5 wherein: violently rotate through antifriction bearing in pipe (2) and be connected with pivot (37), antifriction bearing and fixedly connected with rotation axis are all passed at the both ends of pivot (37), the one end of rotation axis extends to violently manage (2) outer and fixedly connected with brake lever (3), the upper end of stay cord (36) and the axle wall fixed connection of pivot (37), fixedly connected with gag lever post (4) on the pipe wall of violently managing (2), the pole wall of gag lever post (4) and the pole wall contact of brake lever (3).