CN216061893U - Leg ligament stretching device is used in dance performance training - Google Patents
Leg ligament stretching device is used in dance performance training Download PDFInfo
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- CN216061893U CN216061893U CN202122224854.6U CN202122224854U CN216061893U CN 216061893 U CN216061893 U CN 216061893U CN 202122224854 U CN202122224854 U CN 202122224854U CN 216061893 U CN216061893 U CN 216061893U
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Abstract
The utility model discloses a leg ligament stretching device for dance performance training, which is provided with a bottom plate, wherein one end of the bottom plate is movably provided with a seat plate; the method comprises the following steps: the adjusting rod movably penetrates through the side wall of the fixing box, a worm is sleeved at the end of the adjusting rod, a worm wheel is movably mounted on the side of the worm, movable shafts penetrate through the interior of the worm wheel, and the 2 movable shafts are connected with each other through a belt pulley mechanism; the scale plate is fixed on the side surface of the fixed box, a movable cylinder is arranged below the scale plate, and the end of the movable cylinder is connected with a connecting rod; the guide plate is fixed on the side face of the movable cylinder, and tooth blocks are welded on the side face of the guide plate. This shank ligament stretching device is used in dance performance training expands to different angles after at the pulling shank, can keep the state that the shank expanded to need not to keep the pulling force always, both saved the physical power of consumption in the tensile training, can also promote tensile effect.
Description
Technical Field
The utility model relates to the technical field of dance performance training, in particular to a leg ligament stretching device for dance performance training.
Background
In the dance performance training process, in order to keep the relaxation of leg muscle, generally need to use ligament stretching device to stretch the leg, and tradition relies on training person's self to stretch, along with the continuous promotion of user demand, adopts appurtenance to stretch the leg at present, but current leg ligament stretching device still has following shortcoming in the in-service use:
traditional stretching device relies on user's self pulling force to operate mostly, and lacks the structure that keeps to shank expansion state after the pulling, needs to keep the pulling force always, not only can promote tensile training hard, still influences tensile effect, to above-mentioned problem, urgently need carry out the innovative design on original shank ligament stretching device's basis.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a leg ligament stretching device for dance performance training, and aims to solve the problems that the traditional stretching device is mostly operated by the self-tension of a user, the stretching device lacks a structure for maintaining the unfolding state of legs after being pulled, the tension needs to be maintained all the time, the labor of the stretching training is increased, and the stretching effect is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: a leg ligament stretching device for dance performance training is provided with a bottom plate, wherein one end of the bottom plate is movably provided with a seat plate, and the other end of the bottom plate is fixedly provided with a fixing box;
the method comprises the following steps:
the adjusting rod movably penetrates through the side wall of the fixing box, a worm is sleeved at the end of the adjusting rod, a worm wheel is movably mounted on the side of the worm, movable shafts penetrate through the interior of the worm wheel, the 2 movable shafts are connected with each other through a belt pulley mechanism, and gears are sleeved at the bottoms of the movable shafts;
the scale plate is fixed on the side surface of the fixed box, a movable cylinder is arranged below the scale plate, and the end of the movable cylinder is connected with a connecting rod;
the guide plate is fixed on the side face of the movable cylinder, the tooth block is welded on the side face of the guide plate, and a fixing hole is formed in a fixing box at the end part of the tooth block.
Preferably, the belt on the belt pulley mechanism is of an 8-shaped structure, the belt pulley mechanism, the worm wheel and the gear are coaxially arranged, and the rotating directions of the 2 gears are opposite, so that the 2 movable shafts and the gear are driven to rotate in opposite directions through the transmission of the belt pulley mechanism.
Preferably, the arc center of scale plate coincides mutually with the rotation center of a circle of a movable section of thick bamboo, and a movable section of thick bamboo and fixed box constitute revolution mechanic to a movable section of thick bamboo and connecting rod are telescopic connection, through observing the scale plate, can learn the contained angle between 2 movable sections of thick bamboos fast, so that realize the drawing of different demands, and the connecting rod can stretch out and draw back in a movable section of thick bamboo, is applicable to the drawing of different leg lengths.
Preferably, the end department of connecting rod articulates there is the backup pad, and the bandage of elastic material is pasted to the side of backup pad to connecting rod and a movable section of thick bamboo all can carry on spacingly to the foot through the backup pad about bottom plate symmetric distribution, and the backup pad can rotate simultaneously, so that the shank expandes to behind the different states, can promote the travelling comfort of ankle department.
Preferably, the bottom embedding of backup pad is provided with the ball, and the backup pad passes through the surface laminating of ball and bottom plate and slides to the cross-section of backup pad is the arc structure, expandes the in-process at a movable section of thick bamboo and connecting rod, can drive the ball through the backup pad and slide on the bottom plate, promotes the stability of expandeing the in-process.
Preferably, the cross-section of guide board is the arc structure, and the arc center of guide board coincides mutually with the rotation heart of a movable section of thick bamboo to the tooth piece is angular distribution on the guide board, and tooth piece and gear are connected for the meshing simultaneously, can drive the guide board through the meshing with the tooth piece when gear revolve and rotate, just so can drive 2 movable section of thick bamboos and rotate towards opposite direction.
Compared with the prior art, the utility model has the beneficial effects that: the leg ligament stretching device for dance performance training can keep the stretching state of the leg after the leg is stretched to different angles, and the stretching force does not need to be kept all the time, so that the physical power consumed in stretching training is saved, and the stretching effect can be improved;
1. after the supporting plate and the binding band limit the feet of a user, 2 gears can be driven to rotate in opposite directions by rotating the adjusting rod in a manner of rotating the worm, the worm wheel and the belt pulley mechanism, and then 2 movable cylinders are driven to rotate in opposite directions by meshing between the gears and the gear blocks, so that the unfolding degree of the legs is adjusted, and the stability of the unfolded legs can be ensured by the self-locking property of the worm and the worm wheel;
2. after user's shank expandes to different angles, can drive the bedplate and slide on the bottom plate to the corresponding regulation in health position can rotate between backup pad and the connecting rod, can promote the travelling comfort of ankle department, when the backup pad rotates to expand, can drive the ball and slide on the bottom plate, promotes the smooth and easy nature of expansion, and the connecting rod can stretch out and draw back in a section of thick bamboo of moving about simultaneously, so that be applicable to the training person of different leg length.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front sectional view of the fixing box according to the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic top-down view of the retaining box of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. a base plate; 2. a seat plate; 3. a fixing box; 4. adjusting a rod; 5. a worm; 6. a worm gear; 7. a movable shaft; 8. a belt pulley mechanism; 9. a gear; 10. a scale plate; 11. a movable barrel; 12. a connecting rod; 13. a support plate; 14. binding bands; 15. a ball bearing; 16. a guide plate; 17. a tooth block; 18. and (7) fixing holes.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a leg ligament stretching device for dance performance training is provided with a bottom plate 1, wherein one end of the bottom plate 1 is movably provided with a seat plate 2, and the other end of the bottom plate 1 is fixedly provided with a fixing box 3;
the method comprises the following steps:
the adjusting rod 4 movably penetrates through the side wall of the fixing box 3, a worm 5 is sleeved at the end of the adjusting rod 4, a worm wheel 6 is movably mounted on the side of the worm 5, a movable shaft 7 penetrates through the inside of the worm wheel 6, the 2 movable shafts 7 are connected with one another through a belt pulley mechanism 8, and a gear 9 is sleeved at the bottom of each movable shaft 7;
the scale plate 10 is fixed on the side surface of the fixed box 3, the movable cylinder 11 is arranged below the scale plate 10, and the end of the movable cylinder 11 is connected with the connecting rod 12;
the guide plate 16 is fixed on the side surface of the movable cylinder 11, the tooth block 17 is welded on the side surface of the guide plate 16, and the fixing box 3 at the end part of the tooth block 17 is provided with a fixing hole 18.
The belt on the belt pulley mechanism 8 is in an 8-shaped structure, the belt pulley mechanism 8, the worm wheel 6 and the gear 9 are coaxially arranged, and the rotating directions of the gear 9 of the belt pulley mechanism 2 are opposite; the adjusting rod 4 is rotated to drive the worm 5 to rotate, the worm wheel 6 drives the movable shaft 7 to rotate, and the belt wheel mechanism 8 drives the gear 2 and the gear 9 to rotate in opposite directions;
the arc center of the scale plate 10 coincides with the rotation circle center of the movable cylinder 11, the movable cylinder 11 and the fixed box 3 form a rotation structure, and the movable cylinder 11 is in telescopic connection with the connecting rod 12; before the leg stretching adjusting device is used, the stretching length of the connecting rod 12 in the movable cylinder 11 can be adjusted according to different requirements of the leg length, and the stretching angle of the leg can be clearly seen by observing the scale plate 10;
a supporting plate 13 is hinged at the end of the connecting rod 12, a binding band 14 made of elastic material is pasted on the side surface of the supporting plate 13, and the connecting rod 12 and the movable cylinder 11 are symmetrically distributed around the bottom plate 1; the bottom of the support plate 13 is embedded with a ball 15, the support plate 13 is attached to and slides on the surface of the bottom plate 1 through the ball 15, and the cross section of the support plate 13 is of an arc structure; the feet are attached to the supporting plate 13, the feet are limited through the binding bands 14, and the supporting plate 13 slides on the bottom plate 1 through the balls 15, so that the smoothness of rotation can be improved;
the section of the guide plate 16 is of an arc structure, the arc center of the guide plate 16 is coincident with the rotation circle center of the movable cylinder 11, the tooth blocks 17 are distributed at equal angles on the guide plate 16, and meanwhile, the tooth blocks 17 are in meshed connection with the gear 9; through the meshing between gear 9 and the tooth piece 17, can drive 2 movable cylinder 11 and rotate towards opposite direction, drive the shank and expand to different angles.
The working principle is as follows: as shown in fig. 1-5, firstly, a user sits on the seat board 2, then the feet are attached to the support board 13, and the feet are limited by the binding bands 14, the length of the connecting rod 12 extending out of the movable cylinder 11 can be adjusted according to different requirements of the length of the legs before use, then the user rotates the adjusting rod 4 to drive the worm 5 to rotate, further the worm wheel 6 drives the movable shaft 7 to rotate, then the belt wheel mechanism 8 drives the 2 gears 9 to rotate, because the belt on the belt wheel mechanism 8 is in an 8-shaped structure, the 2 gears 9 and the movable shaft 7 rotate in opposite directions, thus the 2 movable cylinders 11 can be driven to rotate in opposite directions by the engagement between the gears 9 and the toothed blocks 17, the guide plates 16 can synchronously rotate and penetrate through the inside of the fixed holes 18, the heights of the 2 guide plates 16 are different, so that the phenomenon of collision does not occur when the movable cylinders rotate to be overlapped, drive the shank and expand to different angles, and through observing the angle that sees out the shank and expand that scale plate 10 can be clear, because worm 5 and worm wheel 6's auto-lock nature, can guarantee the stability after the shank expands, need not to keep the pulling state always, backup pad 13 slides on bottom plate 1 at removal in-process accessible ball 15, can enough promote pivoted smoothness nature, keep the stability of a movable section of thick bamboo 11 when expanding and accomodating again, can drive bedplate 2 and slide on bottom plate 1 when the shank expands, and then drive user's health is close to fixed box 3, the rationality of the health position when guaranteeing the shank and expand, promote tensile effect, at last the use foot can rotate on connecting rod 12 through backup pad 13, guarantee the travelling comfort of tensile in-process ankle department.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A leg ligament stretching device for dance performance training is provided with a bottom plate (1), wherein one end of the bottom plate (1) is movably provided with a seat plate (2), and the other end of the bottom plate (1) is fixedly provided with a fixing box (3);
it is characterized by comprising:
the adjusting device comprises an adjusting rod (4) which movably penetrates through the side wall of the fixing box (3), a worm (5) is sleeved at the end of the adjusting rod (4), a worm wheel (6) is movably mounted on the side of the worm (5), a movable shaft (7) penetrates through the inside of the worm wheel (6), the 2 movable shafts (7) are connected with each other through a belt wheel mechanism (8), and a gear (9) is sleeved at the bottom of each movable shaft (7);
the scale plate (10) is fixed on the side face of the fixed box (3), a movable cylinder (11) is installed below the scale plate (10), and the end of the movable cylinder (11) is connected with a connecting rod (12);
the guide plate (16) is fixed on the side face of the movable cylinder (11), a tooth block (17) is welded on the side face of the guide plate (16), and a fixing hole (18) is formed in the fixing box (3) at the end of the tooth block (17).
2. A leg ligament stretching device for dance performance training according to claim 1, wherein: the belt on the belt pulley mechanism (8) is of an 8-shaped structure, the belt pulley mechanism (8), the worm wheel (6) and the gear (9) are coaxially arranged, and the rotating directions of the 2 gears (9) are opposite.
3. A leg ligament stretching device for dance performance training according to claim 1, wherein: the arc center of the scale plate (10) coincides with the rotation circle center of the movable cylinder (11), the movable cylinder (11) and the fixed box (3) form a rotation structure, and the movable cylinder (11) is in telescopic connection with the connecting rod (12).
4. A leg ligament stretching device for dance performance training according to claim 1, wherein: the end of the connecting rod (12) is hinged with a supporting plate (13), the side surface of the supporting plate (13) is pasted with a binding band (14) made of elastic materials, and the connecting rod (12) and the movable cylinder (11) are symmetrically distributed relative to the bottom plate (1).
5. A leg ligament stretching device for dance performance training according to claim 4, wherein: the bottom embedding of backup pad (13) is provided with ball (15), and backup pad (13) pass through the surface laminating slip of ball (15) and bottom plate (1) to the cross-section of backup pad (13) is arc structure.
6. A leg ligament stretching device for dance performance training according to claim 1, wherein: the cross-section of guide board (16) is the arc structure, and the arc center of guide board (16) coincides mutually with the rotation center of a circle of movable cylinder (11) to tooth piece (17) are equiangular distribution on guide board (16), and tooth piece (17) and gear (9) are connected for the meshing simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122224854.6U CN216061893U (en) | 2021-09-14 | 2021-09-14 | Leg ligament stretching device is used in dance performance training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122224854.6U CN216061893U (en) | 2021-09-14 | 2021-09-14 | Leg ligament stretching device is used in dance performance training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216061893U true CN216061893U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122224854.6U Active CN216061893U (en) | 2021-09-14 | 2021-09-14 | Leg ligament stretching device is used in dance performance training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216061893U (en) |
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2021
- 2021-09-14 CN CN202122224854.6U patent/CN216061893U/en active Active
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