CN112274895A - A kind of roller skating auxiliary device and using method thereof - Google Patents
A kind of roller skating auxiliary device and using method thereof Download PDFInfo
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- CN112274895A CN112274895A CN202011209035.8A CN202011209035A CN112274895A CN 112274895 A CN112274895 A CN 112274895A CN 202011209035 A CN202011209035 A CN 202011209035A CN 112274895 A CN112274895 A CN 112274895A
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Abstract
本发明提供了一种轮滑运动辅助装置及其使用方法，属于体育教学设备技术领域。本发明包括圆环座、伸缩气囊、电动气泵、固定机构、伸缩机构和若干个支撑机构，伸缩气囊活动设置在圆环座上，电动气泵与伸缩气囊相连通，固定机构能够将伸缩气囊的两端固定在一起，伸缩机构能够使伸缩气囊在圆环座的范围内移动，若干个支撑机构设置在圆环座上，支撑机构包括支撑杆、第一套管、第二套管、万向轮和升降机构，支撑杆设置在圆环座的下侧面上，第一套管的一端竖直固设在支撑杆的下端，第二套管滑动设置在第一套管内，万向轮转动设置在第二套管的下端，升降机构能够提改变第一套管和第二套管的相对位置。本发明适用范围广，有助于提高练习效果。
The invention provides an auxiliary device for roller skating and a method for using the same, belonging to the technical field of physical education equipment. The invention includes a ring seat, a telescopic air bag, an electric air pump, a fixing mechanism, a telescopic mechanism and several supporting mechanisms. The ends are fixed together, and the telescopic mechanism can make the telescopic airbag move within the range of the ring seat. Several support mechanisms are arranged on the ring seat. The support mechanism includes a support rod, a first sleeve, a second sleeve, and a universal wheel. and lifting mechanism, the support rod is arranged on the lower side of the ring seat, one end of the first sleeve is vertically fixed on the lower end of the support rod, the second sleeve is slidably arranged in the first sleeve, and the universal wheel is rotatably arranged in At the lower end of the second sleeve, the lifting mechanism can lift and change the relative position of the first sleeve and the second sleeve. The invention has a wide application range and is helpful to improve the exercise effect.
Description
Technical Field
The invention belongs to the technical field of physical education teaching equipment, and relates to a skidding auxiliary device and a using method thereof.
Background
The roller skating is more and more popular among people as a sports item with high ornamental value and skill, can well exercise the coordination ability of the human body and is suitable for the body-building exercises of most people, so that people can always see that the roller skating is exercised by wearing roller skating shoes in schools or parks.
Beginners are just wearing the protective equipment when practicing the skidding, and are also not safe enough, also be injured easily when falling down, and serious still can fracture, and a lot of beginners are dare not to learn the skidding because of fear.
At present, some auxiliary supports for practicing roller skating appear in the market, a user stands in the auxiliary supports and holds the supports to slide, a certain safety effect is achieved, however, when the user overturns in the sliding process, the hand of the user can be separated from the auxiliary supports due to instinctive reaction, the auxiliary supports lose the auxiliary supporting effect, and the user can collide with the auxiliary supports after overturning, so that secondary injury is caused; in addition, because there is the difference in user's height, current auxiliary stand's height is comparatively fixed, can not satisfy partial user's demand, has reduced application scope, if the auxiliary stand of the multiple height specification of preparation, can greatly increased use cost.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a roller skating assisting device and a using method thereof, which can be suitable for users with different heights, are beneficial to improving the exercise effect, and are safe and reliable.
The purpose of the invention can be realized by the following technical scheme:
a skidding motion assisting device comprises a circular ring seat;
the telescopic air bag is bent into a C shape and movably arranged above the circular ring seat, and a gap is formed between two ends of the telescopic air bag;
the electric air pump is arranged on the outer side wall of the circular ring seat and is communicated with the telescopic air bag through a pipe;
the fixing mechanism is arranged at the notch and can fix the two ends of the telescopic air bag together;
the telescopic mechanism is arranged on the upper side surface of the circular ring seat and can enable the telescopic air bag to move in the range of the circular ring seat all the time;
a plurality of supporting mechanism, a plurality of supporting mechanism sets up on the downside of ring seat along circumference, supporting mechanism has: the supporting rods are obliquely and outwards arranged on the lower side surface of the circular ring seat along the radial direction, and the lower ends of the supporting rods are provided with fixing plates; one end of the first sleeve is vertically and fixedly arranged on the lower side surface of the fixing plate; the second sleeve is arranged in the first sleeve in a sliding mode, and a connecting plate is fixedly arranged at the lower end of the second sleeve; the universal wheel is rotatably arranged on the lower side surface of the connecting plate; the lifting mechanism is arranged in the first sleeve and can change the relative position of the first sleeve and the second sleeve and fix the second sleeve.
In the above-described roller-skating-motion assisting device, the fixing mechanism includes:
one end of the first bandage is fixedly connected with one end of the telescopic air bag, and the other end of the first bandage is fixedly connected with a plug-in buckle;
one end of the second binding band is fixedly connected with the other end of the telescopic air bag, the other end of the second binding band is fixedly connected with a lock catch, and the insert buckle and the lock catch can be fixed together.
In the skidding motion auxiliary device of foretell, telescopic machanism includes three extending structure, and three extending structure evenly sets up on the last side of ring seat along the circumference interval, extending structure includes:
the round box is arranged on the upper side face of the circular ring seat, an installation cavity is arranged in the round box, a fixed column is vertically and fixedly arranged in the installation cavity, and a through hole is formed in one side, close to the telescopic air bag, of the round box;
the inner end of the spiral spring is fixedly arranged on the fixed column, the outer end of the spiral spring is fixedly connected with a pull rope, the pull rope is wound on the outer side of the spiral spring, the free end of the pull rope penetrates out of the through hole, and the end part of the pull rope is fixedly connected to the telescopic air bag.
In the skidding motion assisting device, the upper side surface of the circular ring seat is vertically and rotatably provided with three rotating shafts, the three rotating shafts are in one-to-one correspondence with the three circular boxes, and the circular boxes are coaxially and fixedly arranged at the upper ends of the corresponding rotating shafts.
In the above-described roller-skating-motion assisting device, the elevating mechanism includes:
the sliding block is arranged in the first sleeve in a sliding mode;
a sealing plate is arranged at the upper end of the second sleeve, one end of the return spring is fixedly connected to the sealing plate, and the other end of the return spring is fixedly connected to the sliding block;
the first fixing structure is arranged on the first sleeve and can fix the sliding block at any position in the first sleeve;
and the second fixing structure is arranged between the first sleeve and the second sleeve and can limit the range of the up-and-down sliding of the second sleeve.
In the above-described roller-skating-motion assisting device, the first fixing structure includes:
the first through hole penetrates through two side walls of the first sleeve along the radial direction, the first through hole is long, and the length direction of the first through hole is consistent with that of the first sleeve;
the first sleeve pipe comprises a first inserting rod, a third through hole is horizontally formed in the sliding block, the third through hole and the first through hole are located in the same vertical plane, the first inserting rod is horizontally inserted into the third through hole, two ends of the first inserting rod respectively extend out of two sides of the first through hole, and two first locking nuts are in threaded connection with the first inserting rod located on two sides of the first sleeve pipe.
In the above-described rolling motion assist device, the second fixing structure includes:
the second through hole penetrates through two side walls of the first sleeve along the radial direction, the second through hole is positioned right below the first through hole, the second through hole is in a long strip shape, and the length direction of the second through hole is consistent with that of the first sleeve;
the second through hole is formed in the second sleeve in a penetrating mode along the radial direction, the fourth through hole and the second through hole are located in the same vertical plane, the second inserting rod is horizontally inserted into the fourth through hole, the fourth through hole is in a long strip shape, the length direction of the fourth through hole is consistent with the length direction of the second sleeve, two ends of the second inserting rod extend out of two sides of the second through hole respectively, and two second locking nuts are connected to the second inserting rod located on two sides of the first sleeve in a threaded mode.
In the auxiliary device for the wheel-sliding motion, a pressure power generation sheet is arranged on the outer side of the fixing column, the volute spiral spring is fixedly wound on the pressure power generation sheet, a storage battery is arranged on the outer side wall of the circular ring seat, and the pressure power generation sheet is electrically connected with the storage battery.
A method of using a device for assisting in the movement of a roller skate, comprising the steps of:
s1, when the height of the user is high, moving the first inserting rod downwards along the first through hole, and simultaneously moving the first inserting rod downwards along the second through hole, when the telescopic air bag reaches the waist position of the user, screwing the first locking nut to fix the first inserting rod, and screwing the second locking nut to fix the second inserting rod;
s2, when the height of the user is low, moving the first inserted bar upwards along the first through hole, and simultaneously moving the first inserted bar upwards along the second through hole, when the telescopic air bag reaches the waist position of the user, screwing the first locking nut to fix the first inserted bar, and screwing the second locking nut to fix the second inserted bar;
s3, opening the eye-splice and the lock catch, enabling the user to enter the C-shaped ring of the telescopic air bag, eye-splicing the eye-splice and the lock catch together, starting the electric air pump to inflate the telescopic air bag, and enabling the telescopic air bag to inflate and expand to be close to the waist of the user;
s4, the universal wheel is always in contact with the ground, when the user stretches the air bag and the circular ring seat to rotate relatively, the pull ropes in the three circular boxes are lengthened, the spiral springs are contracted and roll, the pressure generating pieces on the outer sides of the fixing columns are extruded, the pressure generating pieces generate electricity, and electric energy is stored in the storage battery and is supplied to the electric air pump for use.
Compared with the prior art, the invention has the following advantages:
1. the relative position of the first sleeve and the second sleeve is changed through the lifting mechanism, the distance between the circular ring seat and the universal wheel is adjusted, the height of the telescopic air bag is equal to the position of the waist of a user, then the second sleeve is fixed, the fixing mechanism is opened, the waist of the user enters the C-shaped ring of the telescopic air bag through the gap, then the fixing mechanism is closed, the two ends of the telescopic air bag are fixed together, the electric air pump is started, air is pumped into the telescopic air bag from the outside, the telescopic air bag is inflated and expanded to be tightly attached to the waist of the user, the contact area of the telescopic air bag and the user is increased, the telescopic air bag and the waist of the user synchronously move, when the user slides, the universal wheel contacts the ground to provide auxiliary support for the user, the waist of the user continuously swings and rotates, the telescopic air bag is driven to move within the range of the, the circular ring seat and the universal wheel cannot swing and rotate along with the circular ring seat and the universal wheel, so that the resistance of the waist movement of a user is reduced, the sliding action is more flexible and smooth, and the exercise effect is improved;
2. after the height position of the circular ring seat is adjusted, the inserting buckle and the lock catch are opened, the waist of a user enters the C-shaped ring of the telescopic air bag, and then the inserting buckle and the lock catch are fixed together to enable the telescopic air bag to form a closed ring shape, so that the telescopic air bag moves along with the user, the waist of the user is prevented from being separated from the telescopic air bag, and the sliding safety is improved;
3. the three volute spiral springs are in a loose state in an initial state, the telescopic air bag is located in the center of the circular ring seat under the action of the three pull ropes, when a user slides, the waist continuously swings and rotates to drive the telescopic air bag to move, the pull ropes are pulled out of the circular box, the volute spiral springs are contracted and rolled to play a buffering role, and the circular ring seat is relatively stable in position and cannot move along with the telescopic air bag, so that the sliding resistance is reduced, the sliding of the user is more flexible, and the sliding comfort level is improved;
4. because the round box is rotationally arranged on the round ring seat through the rotating shaft, when the waist of a user drives the telescopic air bag to move, the stress direction of the pull rope is continuously changed, and the round box rotates along with the pull rope, so that the direction of the pull rope is always over against the waist of the user, the friction between the pull rope and the edge of the through hole is reduced, the service life of the pull rope is prolonged, meanwhile, the telescopic resistance of the pull rope can be reduced, and the sliding flexibility is improved;
5. when the height of a user is high, the sliding block is pushed to move upwards along the first sleeve, the second sleeve moves upwards along with the sliding force of the reset spring, the circular ring seat is lifted, when the height of the user is low, the sliding block is pushed to move downwards along the first sleeve, the second sleeve moves downwards along with the sliding force of the reset spring, the circular ring seat is lowered, after the telescopic air bag reaches the waist of the user, the sliding block is fixed through the first fixing structure, the reset spring is in a normal state at the moment, the universal wheel contacts the ground, when the height of the ground is uneven, the universal wheel contacts the ground all the time through the extension and retraction of the reset spring, and the sliding safety is improved; in addition, the second fixing structure can limit the sliding range of the second sleeve and avoid the return spring from being over-stretched or compressed;
6. when the height of a user is high, the two first locking nuts are rotated to be away from the outer side wall of the first sleeve, the first inserting rod and the sliding block are pushed to slide upwards, the second sleeve moves upwards along with the second sleeve under the action of the pulling force of the reset spring, the circular ring seat is lifted to a specified height, then the two first locking nuts are rotated to be tightly attached to the outer side wall of the first sleeve, and the first inserting rod and the sliding block are fixed; similarly, when the height of a user is low, the two first locking nuts are rotated to be away from the first sleeve, the first inserted rod and the sliding block are pushed to slide downwards, the second sleeve moves downwards under the action of the elastic force of the reset spring, the circular ring seat is lowered to the designated height, then the two first locking nuts are rotated to be tightly attached to the side wall of the first sleeve, and the first inserted rod and the sliding block are fixed, so that the structure is simple, safe and reliable;
7. the first lock nut fixes the first inserted link and the slide block, the upper end of the reset spring is fixed at the moment, the second lock nut fixes the second inserted link, when the ground surface is convex, the reset spring is compressed, the second sleeve slides upwards relative to the second inserted link, and after the ground surface is restored to be flat, the second sleeve slides downwards relative to the second inserted link under the action of the reset spring, so that the structure is simple, and a better buffering effect is achieved;
8. when user's waist drove flexible gasbag and removes, the stay cord receives pulling force and moves outside to the circle box, makes the spiral spring rolling, and the pressure electricity generation piece in spiral spring extrusion fixed column outside makes the pressure electricity generation piece produce the electric energy, then converts the direct current storage into through the rectifier and in the battery, and the electric energy of battery can provide electronic air pump and use, green.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a partially enlarged view at C in fig. 2.
In the figure, 1, a circular ring seat; 11. a rotating shaft; 12. a storage battery; 13. an electric air pump; 2. a telescopic air bag; 21. a notch; 22. a first strap; 221. inserting and buckling; 23. a second strap; 231. locking; 3. a round box; 31. a mounting cavity; 32. perforating; 33. a volute spiral spring; 34. pulling a rope; 35. a fixed shaft; 351. a pressure generating sheet; 4. a support bar; 41. a fixing plate; 5. a first sleeve; 51. a first through hole; 511. a first plunger; 512. a first lock nut; 52. a second through hole; 521. a second plunger; 522. a second lock nut; 53. a slider; 531. a third through hole; 6. a second sleeve; 61. closing the plate; 611. a return spring; 62. a fourth via hole; 7. a universal wheel.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, a device for assisting a wheel-skidding exercise comprises a circular ring base 1, a telescopic air bag 2, an electric air pump 13, a fixing mechanism, a telescopic mechanism and a plurality of supporting mechanisms.
The telescopic air bag 2 is bent into a C shape, the telescopic air bag 2 is movably arranged above the circular ring seat 1, and a gap 21 is formed between two ends of the telescopic air bag 2.
The electric air pump 13 is arranged on the outer side wall of the circular ring seat 1, and the electric air pump 13 is communicated with the telescopic air bag 2 through a pipe.
The fixing mechanism is arranged at the notch 21, and the fixing mechanism can fix the two ends of the telescopic air bag 2 together.
The telescopic mechanism is arranged on the upper side surface of the circular ring seat 1, and the telescopic mechanism can enable the telescopic air bag 2 to move in the range of the circular ring seat 1 all the time.
A plurality of supporting mechanism sets up on the downside of ring seat 1 along circumference, supporting mechanism includes bracing piece 4, first sleeve pipe 5, second sleeve pipe 6, universal wheel 7 and elevating system.
The support rod 4 is arranged on the lower side surface of the circular ring seat 1 along the radial direction in an inclined mode, and a fixing plate 41 is arranged at the lower end of the support rod 4.
One end of the first sleeve 5 is vertically and fixedly arranged on the lower side surface of the fixing plate 41.
The second sleeve 6 is slidably arranged in the first sleeve 5, and a connecting plate 63 is fixedly arranged at the lower end of the second sleeve 6.
The universal wheel 7 is rotatably arranged on the lower side of the connecting plate 63.
The lifting mechanism is arranged in the first sleeve 5, and can change the relative positions of the first sleeve 5 and the second sleeve 6 and fix the second sleeve 6.
The relative position of a first sleeve 5 and a second sleeve 6 is changed through a lifting mechanism, the distance between a circular ring seat 1 and a universal wheel 7 is adjusted, the height of a telescopic air bag 2 is equal to the position of the waist of a user, then the second sleeve 6 is fixed, a fixing mechanism is opened, the waist of the user enters a C-shaped ring of the telescopic air bag 2 through a gap 21, then the fixing mechanism is closed, two ends of the telescopic air bag 2 are fixed together, an electric air pump 13 is started, air is pumped into the telescopic air bag 2 from the outside, the telescopic air bag 2 is inflated and expanded to be tightly attached to the waist of the user, the contact area between the telescopic air bag 2 and the user is increased, the telescopic air bag 2 and the waist of the user synchronously move, when the user slides, the universal wheel 7 contacts the ground, auxiliary support is provided for the user, the waist of the user continuously swings and rotates, the telescopic air bag 2 is driven to move within the range of the, and the circular ring seat 1 and the universal wheel 7 can not swing and rotate along with the circular ring seat, so that the resistance of the waist movement of a user is reduced, the sliding action is more flexible and smooth, and the exercise effect is improved.
Specifically, the securing mechanism includes a first strap 22 and a second strap 23.
One end of the first bandage 22 is fixedly connected to one end of the telescopic airbag 2, and the other end is fixedly connected with a buckle 221.
One end of the second strap 23 is fixedly connected to the other end of the inflatable bag 2, the other end of the second strap 23 is fixedly connected to the lock catch 231, and the insert buckle 221 and the lock catch 231 can be fixed together.
After the height position of the circular ring seat 1 is adjusted, the inserting buckle 221 and the lock catch 231 are opened, the waist of the user enters the C-shaped ring of the telescopic air bag 2, then the inserting buckle 221 and the lock catch 231 are fixed together, the telescopic air bag 2 forms a closed ring, the telescopic air bag 2 moves along with the user, the waist of the user is prevented from being separated from the telescopic air bag 2, and the sliding safety is improved.
Specifically, telescopic machanism includes three extending structure, and is three extending structure sets up on the last side of ring seat 1 along circumference interval uniformly, extending structure includes round box 3 and volute spiral spring 33.
The round box 3 is arranged on the upper side face of the round ring seat 1, a mounting cavity 31 is arranged in the round box 3, a fixing column 35 is vertically and fixedly arranged in the mounting cavity 31, a through hole 32 is formed in one side, close to the telescopic air bag 2, of the round box 3, and the through hole 32 is communicated with the mounting cavity 31.
The inner end of the spiral spring 33 is fixedly arranged on the fixed column 35, the outer end of the spiral spring 33 is fixedly connected with a pull rope 34, the pull rope 34 is wound on the outer side of the spiral spring 33, the free end of the pull rope 34 penetrates through the through hole 32, and the end part of the pull rope is fixedly connected to the telescopic air bag 2.
Initial state, three spiral spring 33 is in the lax state, under the effect of three stay cord 34, flexible gasbag 2 is located the central point that ring seat 1 puts, when the user slides, the swing and the rotation that the waist does not stop, drive flexible gasbag 2 and remove, stay cord 34 is pulled out circle box 3, spiral spring 33 rolling, play the cushioning effect, because the position of ring seat 1 is relatively stable, can not follow flexible gasbag 2 and remove, reduce the resistance that slides, the user slides more nimble, improve the comfort level that slides.
Specifically, vertical rotation is provided with three pivot 11 on the last side of ring seat 1, and is three pivot 11 and three circle box 3 one-to-one, circle box 3 is coaxial to be set firmly in corresponding pivot 11 upper end.
Because circle box 3 rotates through pivot 11 and sets up on ring seat 1, when user's waist drove flexible gasbag 2 motion, the atress direction of stay cord 34 constantly changes, circle box 3 follows stay cord 34 to rotate, makes the direction of stay cord 34 just to user's waist all the time, reduces the friction at stay cord 34 and perforation 32 edge, improves the life of stay cord 34, can also reduce the flexible resistance of stay cord 34 simultaneously, improves the flexibility that slides.
Specifically, the lifting mechanism includes a slider 53, a return spring 611, a first fixing structure, and a second fixing structure.
The slider 53 is slidably arranged in the first sleeve 5.
A sealing plate 61 is arranged at the upper end of the second sleeve 6, one end of the return spring 611 is fixedly connected to the sealing plate 61, and the other end of the return spring is fixedly connected to the sliding block 53.
The first fixing structure is arranged on the first sleeve 5, and the first fixing structure can fix the sliding block 53 at any position in the first sleeve 5.
The second fixing structure is arranged between the first sleeve 5 and the second sleeve 6, and the second fixing structure can limit the range of up-and-down sliding of the second sleeve 6.
When the height of a user is high, the sliding block 53 is pushed to move upwards along the first sleeve 5, the second sleeve 6 moves upwards along with the sliding block under the action of the pulling force of the reset spring 611, the circular ring seat 1 is lifted, when the height of the user is low, the sliding block 53 is pushed to move downwards along the first sleeve 5, the second sleeve 6 moves downwards along with the sliding block under the action of the elastic force of the reset spring 611, the circular ring seat 1 is lowered, after the telescopic air bag 2 reaches the waist of the user, the sliding block 53 is fixed through the first fixing structure, the reset spring 611 is in a normal state at the moment, the universal wheel 7 is in contact with the ground, when the height of the ground is uneven, the universal wheel 7 is in contact with the ground all the time through the extension and retraction of the reset spring 611, and the sliding safety is; in addition, the second fixing structure can define the sliding range of the second sleeve 6, avoiding the return spring 611 from being excessively stretched or compressed.
Specifically, the first fixing structure includes a first through hole 51 and a first insertion rod 511.
The first through holes 51 penetrate through two side walls of the first sleeve 5 along the radial direction, the first through holes 51 are long, and the length direction of the first through holes 51 is consistent with that of the first sleeve 5;
a third through hole 531 is horizontally formed in the slide block 53, the third through hole 531 is located in the first through hole 51, the first insertion rod 511 is horizontally inserted into the third through hole 531, two ends of the first insertion rod 511 respectively extend out of two sides of the first through hole 51, and two first locking nuts 512 are connected to the first insertion rod 511 located on two sides of the first sleeve 5 through threads.
When the user is high in height, the two first locking nuts 512 are rotated to be away from the outer side wall of the first sleeve 5, the first inserting rod 511 and the sliding block 53 are pushed to slide upwards, the second sleeve 6 moves upwards under the action of the pulling force of the return spring 611, the circular ring seat 1 is lifted to a specified height, and then the two first locking nuts 512 are rotated to be tightly attached to the outer side wall of the first sleeve 5, so that the first inserting rod 511 and the sliding block 53 are fixed; similarly, when the user height is lower, rotate two first lock nuts 512, make it keep away from first sleeve 5, promote first inserted bar 511 and slider 53 and slide down, under reset spring 611's elasticity effect, second sleeve 6 and then remove downwards, ring seat 1 is descended to the assigned height, then rotate two first lock nuts 512, make its lateral wall of hugging closely first sleeve 5, fix first inserted bar 511 and slider 53, moreover, the steam generator is simple in structure, safety and reliability.
Preferably, both of the first locking nuts 512 are wing nuts.
Specifically, the second fixing structure includes a second through hole 52 and a second plunger 521.
The second through holes 52 radially penetrate through two side walls of the first sleeve 5, the second through holes 52 are located right below the first through holes 51, the second through holes 52 are long, and the length direction of the second through holes 52 is the same as the length direction of the first sleeve 5.
A fourth through hole 62 is radially formed in the second sleeve 6 in a penetrating manner, the fourth through hole 62 is located in the second through hole 52, the second insertion rod 521 is horizontally inserted into the fourth through hole 62, the fourth through hole 62 is long, the length direction of the fourth through hole 62 is identical to that of the second sleeve 6, two ends of the second insertion rod 521 extend out of two sides of the second through hole 52 respectively, and two second locking nuts 522 are connected to the second insertion rod 521 located on two sides of the first sleeve 5 through threads.
The first lock nut 512 fixes the first inserting rod 511 and the sliding block 53, the upper end of the return spring 611 is fixed at the moment, the second lock nut 522 fixes the second inserting rod 521, when the ground is convex, the return spring 611 is compressed, the second sleeve 6 slides upwards relative to the second inserting rod 521, after the ground is leveled, the second sleeve 6 slides downwards relative to the second inserting rod 521 under the action of the return spring 611, the structure is simple, and a good buffering effect is achieved.
Preferably, both of the second locking nuts 522 are wing nuts.
Specifically, a pressure power generation sheet 351 is arranged on the outer side of the fixing column 35, the volute spiral spring 33 is fixedly wound on the pressure power generation sheet 351, the storage battery 12 is arranged on the outer side wall of the annular seat 1, and the pressure power generation sheet 351 is electrically connected with the storage battery 12.
When user's waist drove flexible gasbag 2 and moves, stay cord 34 receives pulling force and moves outside to circle box 3, makes spiral spring 33 rolling, and spiral spring 33 extrudes the pressure electricity generation piece 351 in the fixed column 35 outside, makes pressure electricity generation piece 351 produce the electric energy, then converts the direct current storage into through the rectifier in battery 12, and the electric energy of battery 12 can provide electronic air pump 13 and use, green.
A method of using a device for assisting in the movement of a roller skate, comprising the steps of:
s1, when the height of the user is high, moving the first inserting rod 511 downwards along the first through hole 51, and simultaneously moving the first inserting rod 521 downwards along the second through hole 52, when the telescopic airbag 2 reaches the waist position of the user, tightening the first locking nut 512 to fix the first inserting rod 511, and tightening the second locking nut 522 to fix the second inserting rod 521;
s2, when the height of the user is low, moving the first inserting rod 511 upwards along the first through hole 51, moving the first inserting rod 521 upwards along the second through hole 52, when the telescopic airbag 2 reaches the waist position of the user, tightening the first locking nut 512 to fix the first inserting rod 511, and tightening the second locking nut 522 to fix the second inserting rod 521;
s3, opening the inserting buckle 221 and the lock catch 231, enabling the user to enter the C-shaped ring of the telescopic air bag 2, then inserting and buckling the inserting buckle 221 and the lock catch 231 together, and starting the electric air pump 13 to inflate the telescopic air bag 2, so that the telescopic air bag 2 inflates and expands to be close to the waist of the user;
s4, the universal wheel 7 contacts the ground all the time, when the user expands and contracts the air bag 2 and the circular ring seat 1 to rotate relatively, the pulling rope 34 in the three circular boxes 3 is stretched, the scroll spring 33 is contracted and wound, the pressure generating sheet 351 on the outer side of the fixed column 35 is extruded, the pressure generating sheet 351 generates electricity, and the electric energy is stored in the storage battery 12 and is supplied to the electric air pump 13 for use.
According to the rising of a user, the relative position between the second sleeve 6 and the first sleeve 5 is adjusted, the waist of the user is as high as the telescopic air bag 2, so that the universal wheel 7 is always in contact with the ground, the telescopic air bag 2 is fixed with the waist of the user, the sliding safety is improved, when the user slides, the waist continuously swings to drive the telescopic air bag 2 to swing along with the waist, the ring seat 1 and the telescopic air bag 2 can move relatively, the ring seat 1 cannot swing along with the waist, the sliding resistance is reduced, the sliding flexibility is improved, and the user can learn skidding more quickly; in addition, when user's waist drove the swing of flexible gasbag 2, stay cord 34 constantly stretches out and draws back, makes the continuous rolling of spiral spring 33 in the circle box 3, and spiral spring 33 extrudes the pressure electricity generation piece 351 in the fixed column 35 outside, makes pressure electricity generation piece 351 produce the electric energy, converts the direct current storage into through the rectifier in battery 12 for electric air pump 13 uses, does not need the external power source power supply, improves the application scope of device, green.
In the description of this patent, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the patent.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011209035.8A CN112274895A (en) | 2020-11-03 | 2020-11-03 | A kind of roller skating auxiliary device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011209035.8A CN112274895A (en) | 2020-11-03 | 2020-11-03 | A kind of roller skating auxiliary device and using method thereof |
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| CN112274895A true CN112274895A (en) | 2021-01-29 |
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| CN202011209035.8A Pending CN112274895A (en) | 2020-11-03 | 2020-11-03 | A kind of roller skating auxiliary device and using method thereof |
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| CN114273692A (en) * | 2021-10-21 | 2022-04-05 | 金陵科技学院 | Pipe side hole machining system |
| CN115326287A (en) * | 2022-10-14 | 2022-11-11 | 临沭晴朗工艺品有限公司 | Rotatable wicker product dynamic balance measuring device |
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