CN111298405B - Aerobics exercises training is with multi-functional auxiliary device - Google Patents

Abstract

The utility model provides a aerobics exercises training is with multi-functional auxiliary device, including the braces, one side upper portion fixed mounting pectoral girdle of braces, the outside fixed mounting U type pole of pectoral girdle, the periphery movable mounting safety of U type pole is detained, the one end of the first cotton rope of fixed connection is detained safely, one side of pectoral girdle is equipped with first box body, inner wall one side fixed mounting second box body of first box body, first groove that passes is seted up to one side of second box body, movable mounting L type pole in the second box body, the vertical pole of L type pole is located the second box body outside, the horizon bar of L type pole passes first groove that passes through, the second box body passes through the spring scissor pole and is connected with the horizon bar of L type pole. The user can directly watch teacher's teaching video through display device, through with the comparison of self action in the video recording, find out the error of self action, and then perfect self dance action.

Description

Aerobics exercises training is with multi-functional auxiliary device

Technical Field

The invention belongs to the field of training, and particularly relates to a multifunctional auxiliary device for aerobics exercises training.

Background

When the dancer does exercises, the dancer does exercises such as jumping and leg kicking, the body gravity center is unstable and topples due to nonstandard or wrong actions, sprain and fall injuries affect normal exercises, particularly, the dancer is very easy to be dangerous during the independent exercises, when the dancer does not have the guidance of teachers and students during the independent exercises, the dancer cannot timely know the errors or wrong actions in the aspects of self actions, body postures and the like, the dancer needs to repeatedly watch the playback of the video recording device in the dancer room, the video recording device is generally placed in an indoor corner position, the dancer needs to run to the corner to watch when watching the playback, the dancer returns to the training area to train, time and energy are wasted, and the training effect is affected.

Disclosure of Invention

The invention provides a multifunctional auxiliary device for aerobics exercises training, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a multifunctional auxiliary device for aerobics exercises training comprises a strap, a chest belt is fixedly arranged on the upper portion of one side of the strap, a U-shaped rod is fixedly arranged on the outer side of the chest belt, a safety buckle is movably arranged on the periphery of the U-shaped rod and fixedly connected with one end of a first rope, a first box body is arranged on one side of the chest belt, a second box body is fixedly arranged on one side of the inner wall of the first box body, a first through groove is formed in one side of the second box body, an L-shaped rod is movably arranged in the second box body, a vertical rod of the L-shaped rod is positioned on the outer side of the second box body, a horizontal rod of the L-shaped rod penetrates through the first through groove, the second box body is connected with a horizontal rod of the L-shaped rod through a spring scissor rod, the same first through hole is formed in the top surface and the bottom surface of the first box body respectively, a second through hole is formed in the bottom surface of the second box body, the other end of the, a third box body is fixedly arranged on the other side of the inner wall of the first box body, one side of the third box body is opened, a second through groove is formed in one side of the first box body and is communicated with the inside of the third box body, grooves are formed in the top surface and the bottom surface of the inner wall of the third box body respectively, strip-shaped sliding grooves are formed in the front surface and the rear surface of the inner wall of each groove respectively, a vertical plate is arranged inside the third box body, two ends of the vertical plate are located in the corresponding grooves respectively and can slide along the grooves, a plurality of clamping blocks are fixedly arranged in the front surface and the rear surface of the vertical plate respectively and are located in the corresponding strip-shaped sliding grooves respectively, the inner side of the vertical plate is connected with one side of the inner wall of the third box body through a plurality of tension springs, third through holes are formed in one side of the top surface and one side of the bottom surface of the third box body respectively and are communicated with, The second rotating shaft and the third rotating shaft are respectively positioned between the second box body and the third box body, the peripheries of the first rotating shaft and the second rotating shaft are respectively and fixedly provided with a gear, the two gears are mutually meshed, the peripheries of the second rotating shaft and the third rotating shaft are respectively and fixedly provided with a belt wheel, the two belt wheels are connected through a belt, the peripheries of the first rotating shaft and the third rotating shaft are respectively and fixedly provided with the same first wire wheel, one side of an L-shaped rod vertical rod facing to the gear is fixedly provided with a rack, the rack is meshed with the gear at the periphery of the first rotating shaft, two ends of a vertical plate are respectively and fixedly connected with the corresponding first wire wheels through the same second wire ropes, the second wire ropes respectively pass through the corresponding third through holes, the upper part of the front surface of the first box body is provided with a fourth through hole, one end of the fourth rotating shaft is arranged in the fourth through hole in a bearing manner, the other end of the fourth rotating shaft is connected with, several draw-in grooves are seted up to the inner wall of fourth through-hole, the preceding all communicates with each other with the external world of draw-in groove, the preceding articulated installation of fourth pivot can be located the card strip of draw-in groove, the articulated department of card strip and fourth pivot is equipped with the torsional spring that can make the card strip turn over backward, the one end of the periphery fixed mounting third cotton rope of second line wheel, the other end of third cotton rope passes fixed connection slide behind the first through-hole of top, the top of first box body is equipped with the slide rail, slide and slide rail swing joint, the slide can be followed the slide rail and removed, the outside fixed mounting display device of riser.

According to the multifunctional auxiliary device for aerobics exercises training, the top surface of the inner wall of the second box body and the top surface of the L-shaped rod horizontal rod are provided with the dovetail-shaped sliding grooves, the two sides of the inside of each dovetail-shaped sliding groove are respectively provided with the dovetail-shaped sliding blocks, and the end parts of the spring scissor rods are respectively hinged with the corresponding dovetail-shaped sliding blocks.

According to the multifunctional auxiliary device for aerobics exercises training, the top surface and the bottom surface of the third box body are respectively fixedly provided with the plurality of pulleys through the support, and the second line ropes are respectively in contact fit with the peripheries of the corresponding pulleys.

In the multifunctional auxiliary device for aerobics exercises training, a waistband is fixedly arranged at the lower part of one side of the shoulder strap.

The multifunctional auxiliary device for aerobics exercises training is characterized in that the display device is a mobile phone or a tablet computer which can be connected with the mobile phone or the tablet computer in a network.

In the multifunctional auxiliary device for aerobics exercises training, the first cord and the third cord are both made of nylon cords.

The invention has the advantages that: when the invention is used, a user wears the shoulder strap on the body (the shoulder strap is a mature product in the prior art, therefore, the shoulder strap is not specifically described), the chest strap is positioned on the chest of the user, the slide rail is fixedly arranged at the top of a room, such as the roof of a dance room and the roof of a training room, after the wearing is finished, the safety buckle is hung and buckled on the periphery of the U-shaped rod, at the moment, the user can normally carry out body building training, when leg actions such as jumping and kicking are carried out, if the gravity center of the body is unstable during the training, the first cord and the third cord are tensioned when the body falls down, so that the falling injury or the sprain caused by the contact of the user and the ground are avoided, when the first cord is tensioned, the first cord pulls the L-shaped rod downwards, when the L-shaped rod moves downwards, the rack connected with the L-shaped rod is driven to move downwards, the rack drives the gear meshed with the rack to rotate, the first rotating shaft and the second rotating shaft are respectively fixedly connected with corresponding gears, so that the first rotating shaft and the second rotating shaft synchronously rotate, the second rotating shaft drives a belt wheel fixedly connected with the third rotating shaft to synchronously rotate through a belt wheel connected with the second rotating shaft, the synchronous rotation of the first rotating shaft, the second rotating shaft and the third rotating shaft is realized, the wire wheels on the peripheries of the first rotating shaft and the third rotating shaft simultaneously take up wires, the second wire rope pulls the display device outwards through the vertical plate, the display device penetrates through the second through groove and is positioned on the outer side of the first box body, a user plays back a picture when falling down through the display device after standing (a video recording device is arranged in a dance room and is used for collecting materials, errors during training are analyzed and compared through video recording after the training is finished, the video recording device is the prior art and is not specifically described here), errors in self actions can be known, and timely corrected, because the pulling force of extension spring is less than the frictional force between riser and the recess inner wall, consequently the riser can not move to the inboard under the pulling force effect of extension spring after the user stands up, presses display device to the inboard and gets into the second box body again after watching the video, and the extension spring can prevent that the user from following riser roll-off first box body when carrying out normal training. The user can make a round trip to walk it and can constantly change for the position when training, and when user's position changed, under the traction of third cotton rope, the slide moved along the slide rail to adapt to user's position change. The invention can prevent the user from falling down during training through the mutual matching of the structures such as the braces, the first rope, the third rope and the like. According to the invention, through the mutual matching of the structures such as the L-shaped rod, the rack, the gear, the second cord, the vertical plate and the like, the display device can be automatically popped out when a user falls down, so that the user can conveniently play back a video, the user can be assisted in self-correcting, when the user does not fall down, the user can also pop out the display device by pulling the first cord downwards to watch the video, the user is prevented from walking back and forth in a training area and a placing area of the video device, and the training time is saved for the user. The user can directly watch teacher's teaching video through display device, through with the comparison of self action in the video recording, find out the error of self action, and then perfect self dance action. After the safety buckle is taken off from the U-shaped rod in use, a user can directly rest in a rest area without taking off the braces, the disassembly is convenient, the user can be prevented from wearing the safety buckle repeatedly during training, the training time is saved for the user, for the users with different heights, the clamping strip is moved out of the clamping groove before use, and the purpose of taking up and paying off the line is achieved by rotating the second line wheel connected with the clamping strip through the clamping strip, so that the overall height of the multifunctional training device is adjusted to be suitable for the height of the user, and the application range of the multifunctional training device for the users with different heights is enlarged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of a portion II of FIG. 1; FIG. 4 is an enlarged view of a portion III of FIG. 3; FIG. 5 is an enlarged view of the view from the direction A of FIG. 3; FIG. 6 is an enlarged view of a portion IV of FIG. 3; FIG. 7 is an enlarged view of section V of FIG. 5; fig. 8 is a wearing diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A multifunctional auxiliary device for aerobics exercises training is shown in the figure and comprises a shoulder strap 1, wherein the shoulder strap 1 is a double-shoulder strap comprising two shoulder straps, a chest strap 2 is fixedly arranged on the upper part of one side of the shoulder strap 1, one end of the chest strap 2 is fixedly connected with one shoulder strap, the other end of the chest strap 2 is fixedly connected with the other shoulder strap, a U-shaped rod 3 is fixedly arranged on the outer side of the chest strap 2, two ends of the U-shaped rod 3 are respectively and fixedly connected with the chest strap 2, a safety buckle 4 is movably arranged on the periphery of the U-shaped rod 3, the safety buckle 4 is fixedly connected with one end of a first line rope 5, a first box body 6 is arranged on one side of the chest strap 2, the first box body 6 is not connected with the chest strap 2, a second box body 7 is fixedly arranged on one side of the inner wall of the first box body 6, a first through groove 8 is arranged on one side of the second box body 7, an L-shaped rod 9 is, the horizontal rod of the L-shaped rod 9 passes through a first through groove 8, the second box body 7 is connected with the horizontal rod of the L-shaped rod 9 through a spring scissor rod 10, the top surface and the bottom surface of the first box body 6 are respectively provided with the same first through hole 11, the bottom surface of the second box body 7 is provided with a second through hole 12, the other end of the first string 5 sequentially passes through the first through hole 11 and the second through hole 12 which are positioned below and is fixedly connected with the bottom surface of the horizontal rod of the L-shaped rod 9, the other side of the inner wall of the first box body 6 is fixedly provided with a third box body 13, one side of the third box body 13 is provided with an opening, the opening of the third box body 13 is fixedly connected with the inner wall of the first box body 6, one side of the first box body 6 is provided with a second through groove 14, the second through groove 14 is communicated with the inside of the third box body 13, the top surface and the bottom surface of the inner wall of the third box body 13 are respectively provided with a, the two ends of the vertical plate 17 are respectively positioned in the corresponding grooves 15 and can slide along the grooves, the front and the back of the vertical plate 17 are respectively in contact fit with the front and the back of the grooves 15, the front and the back of the vertical plate 17 are respectively and fixedly provided with a plurality of clamping blocks 18, the clamping blocks 18 are respectively positioned in the corresponding strip-shaped sliding grooves 16, the clamping blocks 18 can move along the corresponding strip-shaped sliding grooves 16, the inner side of the vertical plate 17 is connected with one side of the inner wall of the third box 13 through a plurality of tension springs 19, the tension force of the tension springs 19 is smaller than the friction force between the vertical plate 17 and the inner wall of the groove 15, one side of the top surface and one side of the bottom surface of the third box 13 are respectively provided with a third through hole 20, the third through holes 20 are respectively communicated with the corresponding inner parts of the grooves 15, a first rotating shaft 21, a second rotating shaft 22 and a third rotating shaft 23 are sequentially arranged in the first box 6 from, The second rotating shaft 22 and the third rotating shaft 23 are both located between the second box body 7 and the third box body 13, the peripheries of the first rotating shaft 21 and the second rotating shaft 22 are respectively and fixedly provided with a gear 24, the two gears 24 are mutually meshed, the peripheries of the second rotating shaft 22 and the third rotating shaft 23 are respectively and fixedly provided with a belt wheel 25, the two belt wheels 25 are located on the same vertical plane, the two belt wheels 25 are connected through a belt 26, the peripheries of the first rotating shaft 21 and the third rotating shaft 23 are respectively and fixedly provided with the same first wire wheel 27, one side of the vertical rod of the L-shaped rod 9 facing the gear 24 is fixedly provided with a rack 28, the rack 28 is meshed with the gear 24 on the periphery of the first rotating shaft 21, two ends of the vertical plate 17 are respectively and fixedly connected with the corresponding first wire wheel 27 through the same second wire rope 29, the second wire ropes 29 respectively pass through the corresponding third through holes 20, the upper part of the front of the first box body 6 is provided with a fourth through hole 30, and one end of, the other end of the fourth rotating shaft 31 is connected with the rear bearing of the inner wall of the first box body 6, a second line wheel 32 is fixedly installed on the periphery of the fourth rotating shaft 31, a plurality of clamping grooves 33 are formed in the inner wall of the fourth through hole 30, the clamping grooves 33 are uniformly distributed on the inner wall of the fourth through hole 30 in an annular mode, the front of each clamping groove 33 is communicated with the outside, a clamping strip 34 capable of being located in each clamping groove 33 is hinged to the front of the fourth rotating shaft 31, a torsion spring capable of enabling the clamping strip 34 to be folded backwards is arranged at the hinged position of the clamping strip 34 and the fourth rotating shaft 31, one end of a third line 35 is fixedly installed on the periphery of the second line wheel 32, the other end of the third line 35 penetrates through a first through hole 11 in the upper portion and then is fixedly connected with a sliding seat 36, a sliding rail 37 is arranged above the first box body 6, the sliding seat 36 is movably. In the invention, when the user wears the shoulder strap 1 on the body (the shoulder strap 1 is a mature product in the prior art, therefore, the description is not provided in detail), the chest strap 2 is positioned on the chest of the user, the slide rail 37 is fixedly installed on the top of a room in actual use, such as the roof of a dance room and the roof of a training room, the safety buckle 4 is hung and buckled on the periphery of the U-shaped rod 3 after the wearing is finished, at the moment, the user can normally perform exercise and exercise, when doing leg movements such as jumping and kicking, if the gravity center of the body is unstable and topples over during the training, the first rope 5 and the third rope 35 are tensioned during the falling, thereby preventing the user from being contacted with the ground to cause falling injury or sprain, when the first rope 5 is tensioned, the first rope 5 pulls the L-shaped rod 9 downwards, when the L-shaped rod 9 moves downwards, the rack 28 connected with the L-shaped rod is driven to move downwards, the rack 28 drives the gear 24 meshed with, the gear 24 drives another gear 24 engaged with the gear to rotate, the first rotating shaft 21 and the second rotating shaft 22 are respectively and fixedly connected with the corresponding gear 24, so that the first rotating shaft 21 and the second rotating shaft 22 synchronously rotate, the second rotating shaft 22 drives a belt wheel 25 fixedly connected with the third rotating shaft 23 to synchronously rotate through a belt wheel 25 connected with the second rotating shaft 22, the first rotating shaft 21, the second rotating shaft 22 and the third rotating shaft 23 synchronously rotate, the wire wheels on the peripheries of the first rotating shaft 21 and the third rotating shaft 23 simultaneously take up wires, the second wire rope 29 pulls the display device 40 outwards through the vertical plate 17, the display device 40 passes through the second transparent groove 14 and is positioned on the outer side of the first box body 6, a user plays back a falling picture through the display device 40 after standing (the dance chamber is provided with video recording devices for collecting materials, errors during training are analyzed and compared through playing back videos after the training is completed, the video recording device is the prior art, which is not specifically described herein), so that the error of self action can be known, and timely correction can be performed, because the tension of the tension spring 19 is smaller than the friction force between the vertical plate 17 and the inner wall of the groove 15, the vertical plate 17 cannot move inwards under the tension of the tension spring 19 after a user stands up, the display device 40 is pressed inwards to enter the second box body 13 again after the user watches the video, and the tension spring 19 can prevent the display device 40 from sliding out of the first box body 6 along with the vertical plate 17 when the user performs normal training. The user can walk back and forth to change the position continuously during training, and when the position of the user is changed, the sliding seat 35 moves along the sliding rail 37 under the traction of the third rope 35, so that the position change of the user is adapted. The invention can prevent the user from falling down during training through the mutual matching of the structures of the shoulder strap 1, the first rope 5, the third rope 35 and the like. According to the invention, through the mutual matching of the L-shaped rod 9, the rack 28, the gear 24, the second cord 29, the vertical plate 17 and other structures, the display device 40 can be automatically ejected when a user falls down, so that the user can conveniently play back a video, the user can be assisted in self-correcting, when the user does not fall down, the user can also eject the display device 40 by pulling the first cord 5 downwards, the video can be watched, the user is prevented from walking back and forth in a training area and a video device placing area, and the training time is saved for the user. The user can directly watch the teaching video of the teacher through the display device 40, and finds out the error of the own action through the comparison with the own action in the video, thereby perfecting the own dance action. After the safety buckle 4 is taken off from the U-shaped rod 3 in use, a user can directly rest in a rest area without taking off the shoulder strap 1, the disassembly is convenient, the user is prevented from repeatedly wearing the shoulder strap 1 during training, the training time is saved for the user, for users with different heights, the clamping strip 34 is moved out of the clamping groove 33 before use, the clamping strip 34 rotates the second wire wheel 32 connected with the clamping strip to achieve the purpose of taking up and paying off the wire, so that the overall height of the multifunctional training device is adjusted to adapt to the height of the user, and the application range of the multifunctional training device for users with different heights is enlarged.

Specifically, as shown in fig. 6, the top surface of the inner wall of the second box 7 and the top surface of the horizontal rod of the L-shaped rod 9 in this embodiment are both provided with a dovetail sliding slot 42, two sides of the inside of the dovetail sliding slot 42 are respectively provided with a dovetail sliding block 41, the dovetail sliding blocks 41 can move left and right in the dovetail sliding slot 42, and the end portions of the spring scissor levers 10 are respectively hinged to the corresponding dovetail sliding blocks 41. This structural design can guarantee the normal opening and drawing in of spring scissors pole 10, and when spring scissors pole 10 draws in or opens, dovetail type slider 41 can remove along with the tip of spring scissors pole 10 jointly, avoids spring scissors pole 10 tip to block unable normal use.

Specifically, as shown in fig. 7, a plurality of pulleys 43 are fixedly mounted on the top surface and the bottom surface of the third box 13 respectively through brackets, and the second cord 29 is in contact fit with the outer peripheries of the corresponding pulleys 43 respectively. This structural design can reduce the area of contact of second cord 29 and third box 13 to reduce the friction of second cord 29, avoid second cord 29 to cause the damage because of repeated friction when using.

Further, as shown in fig. 1, a belt 44 is fixedly attached to a lower portion of one side of the harness 1 according to the present embodiment. The user wears the harness 1 on his or her body and then ties the waist belt 44 to his or her waist, and the waist belt 44 can further reinforce the harness 1 so that the harness 1 does not come off during use.

Further, as shown in fig. 1, the display device 40 according to the present embodiment is a mobile phone or a tablet network-enabled electronic device. Cell-phone, dull and stereotyped connectable network to carry out the receipt and the transmission of file, also can look for the teaching video of aerobics exercises on the network, convenient to use, cell-phone, dull and stereotyped volume are less, and the fuselage is thin, enough saves the inner space of third box body 13, thereby reduces the volume of third box body 13, and then helps reducing the volume of first box body 6, makes first box body 6 small and exquisite convenient more.

Further, as shown in fig. 1, the first cord 5 and the third cord 35 of the present embodiment are made of nylon cords. The nylon rope is soft in texture, high in tensile strength and good in wear resistance, is not easy to break when in use, and can improve the reliability of the nylon rope.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. The utility model provides a multi-functional auxiliary device is used in aerobics exercises training, includes braces (1), one side upper portion fixed mounting chest area (2) of braces (1), its characterized in that: the outer side of a chest belt (2) is fixedly provided with a U-shaped rod (3), the periphery of the U-shaped rod (3) is movably provided with a safety buckle (4), the safety buckle (4) is fixedly connected with one end of a first rope (5), one side of the chest belt (2) is provided with a first box body (6), one side of the inner wall of the first box body (6) is fixedly provided with a second box body (7), one side of the second box body (7) is provided with a first through groove (8), an L-shaped rod (9) is movably arranged in the second box body (7), the vertical rod of the L-shaped rod (9) is positioned on the outer side of the second box body (7), the horizontal rod of the L-shaped rod (9) passes through the first through groove (8), the second box body (7) is connected with the horizontal rod of the L-shaped rod (9) through a spring scissor rod (10), the top surface and the bottom surface of the first box body (6) are respectively provided with the same first through hole (11), and the bottom surface of the second, the other end of the first rope (5) sequentially penetrates through a first through hole (11) and a second through hole (12) which are positioned below and is fixedly connected with the bottom surface of the horizontal rod of the L-shaped rod (9), the other side of the inner wall of the first box body (6) is fixedly provided with a third box body (13), one side of the third box body (13) is opened, one side of the first box body (6) is provided with a second through groove (14), the second through groove (14) is communicated with the inside of the third box body (13), the top surface and the bottom surface of the inner wall of the third box body (13) are respectively provided with a groove (15), the front surface and the back surface of the inner wall of the groove (15) are respectively provided with a strip-shaped sliding groove (16), a vertical plate (17) is arranged inside the third box body (13), two ends of the vertical plate (17) are respectively positioned in the corresponding grooves (15) and can slide along the grooves, a plurality of clamping blocks (18) are respectively and fixedly arranged in the, the inner side of a vertical plate (17) is connected with one side of the inner wall of a third box (13) through a plurality of tension springs (19), one side of the top surface and one side of the bottom surface of the third box (13) are respectively provided with a third through hole (20), the third through holes (20) are respectively communicated with the interiors of corresponding grooves (15), a first rotating shaft (21), a second rotating shaft (22) and a third rotating shaft (23) are sequentially arranged in the first box (6) from bottom to top through bearings, the first rotating shaft (21), the second rotating shaft (22) and the third rotating shaft (23) are respectively arranged between the second box (7) and the third box (13), the peripheries of the first rotating shaft (21) and the second rotating shaft (22) are respectively and fixedly provided with a gear (24), the two gears (24) are mutually meshed, the peripheries of the second rotating shaft (22) and the third rotating shaft (23) are respectively and fixedly provided with a belt wheel (25), and the two belt wheels (25) are connected through, the peripheries of a first rotating shaft (21) and a third rotating shaft (23) are respectively and fixedly provided with the same first wire wheels (27), one side of a vertical rod of an L-shaped rod (9) facing to a gear (24) is fixedly provided with a rack (28), the rack (28) is meshed with the gear (24) on the periphery of the first rotating shaft (21), two ends of a vertical plate (17) are respectively and fixedly connected with the corresponding first wire wheels (27) through the same second wire ropes (29), the second wire ropes (29) respectively pass through the corresponding third through holes (20), the upper part of the front surface of a first box body (6) is provided with a fourth through hole (30), one end of a fourth rotating shaft (31) is arranged in the fourth through hole (30) in a bearing manner, the other end of the fourth rotating shaft (31) is connected with a rear bearing of the inner wall of the first box body (6), the periphery of the fourth rotating shaft (31) is fixedly provided with a second wire wheel (32), and a plurality of clamping grooves (33) are arranged on the, the preceding all communicates with each other with the external world of draw-in groove (33), the preceding articulated installation of fourth pivot (31) can be located draw-in groove (33) card strip (34), the articulated department of card strip (34) and fourth pivot (31) is equipped with the torsional spring that can make card strip (34) turn over backward, the one end of the periphery fixed mounting third cotton rope (35) of second line wheel (32), fixed connection slide (36) behind first through-hole (11) of top is passed to the other end of third cotton rope (35), the top of first box body (6) is equipped with slide rail (37), slide (36) and slide rail (37) swing joint, slide (36) can be followed slide rail (37) and removed, the outside fixed mounting display device (40) of riser (17).

2. The multifunctional auxiliary device for aerobics exercises training as claimed in claim 1, wherein: the top surface of the inner wall of the second box body (7) and the top surface of the horizontal rod of the L-shaped rod (9) are provided with dovetail sliding grooves (42), dovetail sliding blocks (41) are arranged on two sides of the inner portion of each dovetail sliding groove (42), and the end portions of the spring scissor rods (10) are hinged to the corresponding dovetail sliding blocks (41).

3. The multifunctional auxiliary device for aerobics exercises training as claimed in claim 1, wherein: the top surface and the bottom surface of the third box body (13) are respectively fixedly provided with a plurality of pulleys (43) through a bracket, and the second rope (29) is respectively in contact fit with the peripheries of the corresponding pulleys (43).

4. The multifunctional auxiliary device for aerobics exercises training as claimed in claim 1, wherein: a waistband (44) is fixedly arranged at the lower part of one side of the shoulder strap (1).

5. The multifunctional auxiliary device for aerobics exercises training as claimed in claim 1, wherein: the first cord (5) and the third cord (35) are both made of nylon cords.

Images