CN107998636B - Free swimming training device - Google Patents
Free swimming training device Download PDFInfo
- Publication number
- CN107998636B CN107998636B CN201711326666.6A CN201711326666A CN107998636B CN 107998636 B CN107998636 B CN 107998636B CN 201711326666 A CN201711326666 A CN 201711326666A CN 107998636 B CN107998636 B CN 107998636B
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- China
- Prior art keywords
- plate
- bottom panel
- guide rail
- leg
- support plate
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/10—Swimming instruction apparatus for use without water
Abstract
The invention relates to a free swimming training device, which comprises a bottom panel, a front support frame, a rear support frame, a hand part, a leg part, a head part and a chest part, wherein the front support frame and the rear support frame are used for supporting the bottom panel; the arc foot pads at the bottom of the rotating plate are matched with the rollers on the upper surface of the turning plate, so that the body can rotate during the process of rowing and arm changing; the two ropes wound on the upper pulley and the lower pulley are connected with the sliding block and the sweep plate, so that the hand water-drawing action and the chest turning action can be coordinated well, and the action of pushing the body to advance when water is drawn is performed. After the half period of the stroke, the return stroke process is automatically realized through the elastic stop block at the end part of the bottom plate and the telescopic springs connected with the front part and the rear part. The invention enables wide free swimming enthusiasts or trainers to get rid of the limit of sports fields, can carry out swimming exercises and strength training on land, overcomes the fear of the beginners in the process of free swimming learning and fumbling or underwater sports of water fears to a certain extent, and improves the learning efficiency.
Description
Technical Field
The invention belongs to the field of sports training equipment, and particularly relates to a free swimming training device which simulates swimming strokes in water so as to perform free swimming training and swimming stroke correction on land.
Background
With the advent of the healthy age, the fitness needs of people are also increasing. Swimming is a sport which can exercise the whole body, has uniform and quick free swimming speed, and is the most labor-saving swimming gesture. The freestyle arm action is the primary motive force for pushing the body forward. One period is divided into five stages of water inlet, water holding, water drawing, water outlet and aerial arm moving.
During free swimming, the prone position of the body is kept in a good streamline posture, and the arms and legs are matched with each other to perform breathing and leg movements at the same time so as to keep balance and coordinate swimming. The free swimming has great health value, and can improve the capacity of cardiovascular system and muscular system, increase vital capacity, raise respiratory system function, improve regulating mechanism, strengthen skin blood circulation, strengthen resistance and strengthen body constitution. In addition, swimming is an important survival skill as it can be seen that events that eventually lead to drowning occur annually without swimming. Therefore, swimming is one of fashion sports in the current society, and more universities also offer swimming as a necessary lesson for college students.
However, performing swimming exercises requires the presence of sufficient sites and certain hardware conditions, which is obviously impractical for most ordinary households. In addition, for some water-drenching individuals, underwater exercises are also hearty and weak. In China, a free swimming trainer with the application publication number of CN 105413137A can not completely simulate underwater actions to obtain the whole body training effect, and has the advantages of complex design structure, multiple groups of gear transmission and higher cost. At present, the types of equipment related to swimming training on the market are few, the products are not mature, and it is difficult to find a proper training equipment for simulating underwater swimming to perform whole body exercise.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a free swimming training device which can simulate swimming strokes in water so as to perform free swimming training and swimming stroke correction on land.
In order to achieve the above purpose, the invention adopts the following technical scheme: a free swimming training device comprises a bottom panel, a front support frame and a rear support frame for supporting the bottom panel, a hand part, a leg part, a head part and a chest part; the leg part, the head part and the chest part are sequentially connected and arranged on the bottom panel;
the head and chest portion includes: the glass water tank comprises a vehicle plate, a glass water tank and a rotating plate; the vehicle plate is slidably arranged on the upper front part of the bottom panel; a glass water tank is embedded in the front part above the vehicle plate; a rotatable rotating plate is arranged at the rear part above the vehicle plate;
the leg portion includes: an elastic support plate, a leg support plate, and an elastic device; the elastic supporting plate is arranged on the upper rear part of the bottom panel; a leg support plate which is obliquely arranged is arranged above the elastic support plate; the leg support plate is provided with an elastic device capable of stretching and rotating;
the hand portion includes: palm backup pad, front bracket, back bracket, left side guide rail, right side guide rail, slider, baffle, rope, first fixed pulley and second fixed pulley; the palm support plate is arranged at the front end of the bottom panel; the front bracket and the rear bracket are respectively arranged on the front support frame and the rear support frame in an up-down adjustable way; the left guide rail and the right guide rail are arranged on the front bracket and the rear bracket; the left guide rail and the right guide rail are internally provided with slidable sliding blocks; the sliding block is provided with a baffle plate which can rotate around the center of the sliding block; the two ropes are respectively connected with the front end of the vehicle plate by bypassing the first fixed pulleys positioned at the front ends of the left guide rail and the right guide rail and the second fixed pulleys positioned at the two sides above the bottom panel in sequence, and the other ends of the two ropes are respectively connected with the sliding blocks in the left guide rail and the right guide rail.
Preferably, the baffle is rotatable 3 ° -8 ° about the center of the slider.
Preferably, an elastic stop block is arranged on one side of the bottom panel, which is positioned on the second fixed pulley; when the sweep slides to a certain position, the elastic stop block is contacted with the front end of the sweep.
Preferably, a plurality of wheels are arranged below the vehicle plate, and a chute is arranged on the bottom panel; the sweep is slidably disposed on the bottom panel through the wheels and the chute.
Preferably, the glass water tank is transparent.
Preferably, the lower end of the rotating plate is provided with two opposite arc foot pads; corresponding rollers are arranged below the arc foot pads on the turning plate and are tangent to the arc surfaces of the arc foot pads; the rotating plate is rotatably arranged on the sweep plate through the arc foot pads and the rollers.
Preferably, the angle between the leg support plate and the elastic support plate is 2 ° -10 °.
Preferably, the head and chest portions and the leg portions are connected by extension springs.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the free swimming device provided by the scheme of the invention enables wide free swimming lovers or trainers to get rid of the limit of sports fields, can perform swimming exercises and strength training on land, overcomes the fear of the beginners in the process of free swimming learning fumbling or underwater sports of water fears to a certain extent, improves the learning efficiency, and has good practical value and popularization value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1;
FIG. 5 is a schematic view of the connection structure of the bottom panel, the front support frame and the rear support frame;
FIG. 6 is a schematic view of the structure of the head and chest portions;
FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;
FIG. 8 is a schematic diagram of the connection between the rotating plate and the arc pad foot;
wherein: 1, a front supporting frame; 2, a rear supporting frame; 3 left side guide rail; 4 right side guide rails; 5 front bracket; 6, a rear bracket; 7, a bottom panel; 8, turning a plate; 9 palm support plates; a 10-leg support plate; 11, rotating the plate; 12 glass water tanks; 13 baffle plates; 14, a sliding block; 15 a first fixed pulley; 16 a second fixed pulley; 17 elastic means; an elastic support plate 18; 19 elastic stoppers; 20 stretching a spring; 21 arc foot pads; a 22 wheel; 23 ropes.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
The invention relates to a free swimming training device, which is shown in figures 1-8 and comprises a bottom panel 7, a front support frame 1 and a rear support frame 2 for supporting the bottom panel 7, a hand part, a leg part and a head and chest part; the leg portion and the head portion are sequentially connected to the chest portion and are provided on the bottom panel 7.
The head and chest portion includes: a vehicle plate 8, a glass water tank 12 and a rotating plate 11; the vehicle panel 8 is slidably provided on the upper front portion of the bottom panel 7; a glass water tank 12 is embedded in the upper front part of the vehicle plate 8; a rotatable rotating plate 11 is arranged at the upper rear part of the vehicle plate 8; the leg portion includes: an elastic support plate 18, a leg support plate 10, and an elastic means 17; the elastic support plate 18 is arranged on the upper rear part of the bottom plate 7; a leg support plate 10 which is obliquely arranged is arranged above the elastic support plate 18; the leg support plate 10 is provided with an elastic device 17 which can stretch and rotate, so that the resistance of water received by the leg during water taking is simulated, and the practical situation in water is more matched.
The hand portion includes: palm support plate 9, front bracket 5, rear bracket 6, left side guide rail 3, right side guide rail 4, slide block 14, baffle 13, rope 23, first fixed pulley 15 and second fixed pulley 16; the palm support plate 9 is arranged at the front end of the bottom plate 7; the front bracket 5 and the rear bracket 6 are respectively arranged on the front support frame 1 and the rear support frame 2 in an up-down adjustable way; the left guide rail 3 and the right guide rail 4 are arranged on the front bracket 5 and the rear bracket 6; the left guide rail 3 and the right guide rail 4 are internally provided with slidable sliding blocks 14; the slide block 14 is provided with a baffle 13 which can rotate around the center of the slide block 14; the two ropes 23 respectively pass through the first fixed pulleys 15 positioned at the front ends of the left guide rail 3 and the right guide rail 4 in sequence, the second fixed pulleys 16 positioned at the two sides above the bottom panel 7 are connected with the front end of the vehicle plate 8, and the other ends of the two ropes 23 are respectively connected with the sliding blocks 14 in the left guide rail 3 and the right guide rail 4. The main purpose of the head and chest parts is to simulate the rotation of the chest parts when the arms go out of the water in the free swimming process, the trunk naturally rotates 35-45 degrees around the longitudinal axis of the body, the gravity center of the body can keep balance in a self-adjusting way, the whole upper part of the body is borne by the vehicle plate 8, and the palm pushing baffle 13 drives the wheels 22 to move in the sliding grooves formed in the upper surface of the bottom plate 8 during the water-drawing.
Further, the bottom panel 7 is as wide as the body, and the baffle can rotate 3-8 degrees around the center of the slide block to adapt to the action of the palm during rowing.
The heights of the upper bracket and the rear bracket are matched with a plurality of screw holes on the front supporting frame and the rear supporting frame through bolts to adjust the upper and lower heights.
Further, an elastic stop block 19 is arranged on one side of the bottom panel 7, which is positioned on the second fixed pulley 16; when the deck 8 slides to a certain position, the elastic stopper 19 contacts the front end of the deck 8.
Furthermore, a plurality of wheels 22 are arranged below the vehicle plate 8, and a chute is arranged on the bottom plate 7; the vehicle plate 8 is slidably arranged on the bottom plate 7 through wheels 22 and sliding grooves, and the number of the wheels 22 is six, wherein the glass water tank 12 is transparent, so that the state in water can be simulated.
Further, two arc foot pads 21 are arranged at the lower end of the rotating plate 11 in an opposite mode; corresponding rollers (not shown in the figure) are arranged below the circular arc foot pads 21 on the carriage plate 8, and the rollers are tangent to the circular arc surfaces of the circular arc foot pads 21; the rotating plate 11 is rotatably provided on the deck 8 via the circular arc foot pads 21 and rollers.
Further, the angle between the leg support plate and the elastic support plate is 2-10 degrees so as to adapt to the swimming stroke with high front and low back in the free swimming motion.
Further, the head and chest portions and the leg portions are connected by extension springs 20.
The specific implementation is as follows, firstly, because the arm lengths and leg lengths of people with different heights are different, the front bracket 5 and the rear bracket 6 are adjusted to be at proper heights by changing screw holes and locking bolts on the support frame 1 and the support frame 2 matched with screw holes on the front bracket 5 and the rear bracket 6 according to requirements, so as to adapt to exercises of people with different arm lengths. Simultaneously, the elastic device 17 is adjusted to a proper height, the upper part of the body is prone on the rotating plate 11, the legs are placed on the leg support plate 10, the face is opposite to the transparent glass water tank, one arm is horizontally stretched and placed on the palm support plate 9, four fingers are gathered, the palm moves from top to bottom to finish the water entering and holding actions, then the palm touches the baffle 13, and the baffle 13 is pushed to move backwards along the left guide rail 3 and the right guide rail 4. Along with the gradual backward movement of the baffle 13, the rope connecting the slide block 14 and the chest sweep plate 8 bypasses the first fixed pulley 15 and the second fixed pulley 16 to drive the whole sweep plate part to move forward, and the body is pushed to move forward under the reaction force of water when the free swimming palm dials water to finish the action of rowing. Then water is discharged, and the body turning plate 11 is used for realizing the sideways movement, so that the aerial arm moving movement is finished. After the palm is separated from the baffle 13, the sweep automatically realizes return stroke under the action of the extension spring 20, and the stroke action of the next half period is finished after the arm is changed, so that the reciprocating cycle is realized. The hand motion should be performed while the ventilation motion and the leg water-beating motion are combined. For beginners generally use 6:2:1, namely breathing once, drawing arms twice and leg beating six times, the method is easy to keep balance and coordinate to master the free swimming technology.
The invention has the following characteristics:
1. the arc foot pads at the bottom of the rotating plate 11 are matched with the rollers on the upper surface of the sweep plate 8, so that the body can rotate during the rowing and arm changing.
2. The sliding block 14 and the sweep plate 8 are connected by two inelastic ropes wound on the upper and lower groups of pulleys, so that the hand water-drawing action and the chest turning action and the action of pushing the body to advance when water is drawn are well coordinated. After a half cycle of stroke, the return stroke is automatically accomplished by the bottom panel end spring stops 16 and the extension springs 20 connecting the head and chest portions and leg portions.
The free swimming device provided by the invention enables wide free swimming lovers or trainers to get rid of the limit of sports fields, can perform swimming exercises and strength training on land, overcomes the fear of the beginners in the process of free swimming learning fumbling or underwater sports of water fears to a certain extent, improves the learning efficiency, and has good practical value and popularization value.
The foregoing is merely a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the invention.
Claims (6)
1. A free swimming training device, characterized in that: comprises a bottom panel, a front supporting frame and a rear supporting frame for supporting the bottom panel, a hand part, a leg part, a head part and a chest part; the leg part, the head part and the chest part are sequentially connected and arranged on the bottom panel;
the head and chest portion includes: the glass water tank comprises a vehicle plate, a glass water tank and a rotating plate; the vehicle plate is slidably arranged at the front part above the bottom panel; a glass water tank is embedded in the front part above the vehicle plate; a rotatable rotating plate is arranged at the rear part above the vehicle plate; a plurality of wheels are arranged below the vehicle plate, and a chute is arranged on the bottom panel; the vehicle plate is slidably arranged on the bottom panel through wheels and sliding grooves;
the leg portion includes: an elastic support plate, a leg support plate, and an elastic device; the elastic supporting plate is arranged on the upper rear part of the bottom panel; a leg support plate which is obliquely arranged is arranged above the elastic support plate; the leg support plate is provided with an elastic device capable of stretching and rotating;
the hand portion includes: palm backup pad, front bracket, back bracket, left side guide rail, right side guide rail, slider, baffle, rope, first fixed pulley and second fixed pulley; the palm support plate is arranged at the front end of the bottom panel; the front bracket and the rear bracket are respectively arranged on the front support frame and the rear support frame in an up-down adjustable way; the left guide rail and the right guide rail are arranged on the front bracket and the rear bracket; the left guide rail and the right guide rail are internally provided with slidable sliding blocks; the sliding block is provided with a baffle plate which can rotate around the center of the sliding block; the two ropes respectively bypass a first fixed pulley positioned at the front ends of the left guide rail and the right guide rail, and a second fixed pulley positioned at the two sides above the bottom panel, are connected with the front end of the vehicle plate, and the other ends of the two ropes are respectively connected with sliding blocks in the left guide rail and the right guide rail;
the head portion, the chest portion and the leg portion are connected by a tension spring.
2. A freestyle swimming training device according to claim 1, wherein: the baffle can rotate 3-8 degrees around the center of the sliding block.
3. A freestyle swimming training device according to claim 2, wherein: an elastic stop block is arranged on one side of the bottom panel, which is positioned on the second fixed pulley; when the sweep slides to a certain position, the elastic stop block is contacted with the front end of the sweep.
4. A freestyle swimming training device according to claim 1, wherein: the glass water tank is transparent.
5. A freestyle swimming training device according to claim 1, wherein: the lower end of the rotating plate is provided with two opposite arc foot pads; corresponding rollers are arranged below the arc foot pads on the turning plate and are tangent to the arc surfaces of the arc foot pads; the rotating plate is rotatably arranged on the sweep plate through the arc foot pads and the rollers.
6. A freestyle swimming training device according to claim 5, wherein: the angle between the leg support plate and the elastic support plate is 2-10 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326666.6A CN107998636B (en) | 2017-12-13 | 2017-12-13 | Free swimming training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326666.6A CN107998636B (en) | 2017-12-13 | 2017-12-13 | Free swimming training device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107998636A CN107998636A (en) | 2018-05-08 |
| CN107998636B true CN107998636B (en) | 2023-09-19 |
Family
ID=62058380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711326666.6A Active CN107998636B (en) | 2017-12-13 | 2017-12-13 | Free swimming training device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107998636B (en) |
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| CN107998636A (en) | 2018-05-08 |
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