CN215538193U - Frog swimming leg action training device - Google Patents

Abstract

The utility model discloses a frog swimming leg action training device which comprises an equipment main beam, a gas pressure spring, a rubber band and a pedal, wherein a leg pad, a fixed belly pad and a movable belly pad are respectively arranged on the equipment main beam from left to right, a vertical frame is fixed at the edge of the bottom of the equipment main beam, a fixed sleeve rod penetrates through the vertical frame, a telescopic handle is nested in the fixed sleeve rod, a second bolt fixing rod penetrates through the outer side of the fixed sleeve rod and is arranged in a second fixing groove, and the second fixing groove is formed in the telescopic handle. This breaststroke shank action trainer adopts a large amount of key parts can carry out position control, can be applicable to the student of the most different sizes, does not adopt electrical equipment, and workable production, installation are simple, the cost is lower, the security performance is higher, and the project organization is retrencied simultaneously, and the teaching purpose is bright, is accepted by the beginner more easily.

Description

Frog swimming leg action training device

Technical Field

The utility model relates to the technical field of breaststroke leg action training, in particular to a breaststroke leg action training device.

Background

Breaststroke is one of the competitive swimming gestures. When the human body is lying on the water surface, the two arms are bent downwards to strike the water at the symmetrical straight arm side in front of the chest, and the two legs are bent and stretched symmetrically to pedal and clamp the water, which is similar to the swimming of frogs. The breaststroke is labor-saving, easy and durable, has high practical value, is commonly used for fishing and hunting, swimming across, rescue, water carrying and the like, and is also a learning item of a swimming beginner. Due to the advantages and benefits of the breaststroke, the breaststroke becomes the main subject of primary teaching of swimming of various education institutions, and therefore, the series teaching method of the breaststroke becomes the key point of discussion of broad teachers and the education institutions. The main technical components of breaststroke are as follows: body posture, leg movements, arm movements, breathing and arm coordination movements and the like, wherein the leg movements are more important than other swimming postures, and the leg movements of breaststroke are always the key and difficult points of swimming education due to the consideration of underwater resistance, difficult training of standard movements and the like;

the arc-shaped whip-shaped water-trapping technique is a breaststroke leg technique used by most high-level athletes in the world at present, the motion track of the leg is semicircular, and two feet simultaneously and sequentially make water-trapping routes of outward, backward, downward and inward in the same plane until the two feet are closed. The kicking of the sole of the foot backwards like a paddle is a major source of propulsion. Breaststroke leg techniques are divided into four parts, respectively: the leg retraction, the foot turnover, the arc-shaped pedaling and water clamping, and the upward lifting and sliding are effective methods for some beginners to carry out breaststroke training by adopting a breaststroke leg action training device, but the existing breaststroke leg action training device has a problem in use;

the existing breaststroke leg action training device is driven by a motor or controlled by a program, so that a beginner unfamiliar with actions cannot better understand action requirements but is pulled by equipment, the purpose of autonomous cognitive learning cannot be achieved, the equipment has large potential safety hazards (the motor hurts people, leaks electricity and the like), and meanwhile, the existing breaststroke leg action training device does not consider the body type difference of users and has no good universal applicability.

Aiming at the problems, innovative design is urgently needed on the basis of the original breaststroke leg action training device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a breaststroke leg action training device, which aims to solve the problems that the existing breaststroke leg action training device in the background art cannot achieve the purpose of autonomous cognitive learning by adopting motor driving or program control, does not consider the body type difference of users and has no good universal applicability.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a frog swimming shank action trainer, includes equipment girder, gas spring, rubber band and pedal, turn right by a left side on the equipment girder and install leg pad, fixed belly pad and portable belly pad respectively, and the bottom edge of equipment girder is fixed with the grudging post, run through on the grudging post and install fixed loop bar, and nested in the fixed loop bar has scalable handle, the outside of fixed loop bar is run through and is installed second bolt fixing pole, and second bolt fixing pole runs through in the second fixed slot to the second fixed slot is seted up on scalable handle.

Preferably, the bottom of portable abdominal pad is fixed with the mount pad, and the mount pad is placed on the equipment girder to run through on the mount pad and be fixed with first bolt fastening pole, and first bolt fastening pole is located first fixed slot, and first fixed slot is seted up on the equipment girder moreover.

Preferably, a gas spring is installed at the bottom of the leg pad, and one end of the gas spring is installed at the outer side of the bottom of the main beam of the equipment through a gas spring fixing piece.

Preferably, a rubber band fixer is installed on the vertical frame, and a pedal is connected to the rubber band fixer through a rubber band.

Preferably, sliding connection between mount pad and the equipment girder, and the equidistant first fixed slot that is provided with of equipment girder.

Preferably, the second fixing grooves are distributed on the telescopic handle at equal intervals, and the telescopic handle is connected with the fixing sleeve rod in a sliding mode.

Compared with the prior art, the utility model has the beneficial effects that: the breaststroke leg action training device;

1. the leg pad and the pneumatic spring are arranged, so that the legs of a user can be well folded and unfolded, and meanwhile, the rubber band and the pedals are used, so that the user can complete two actions of turning over the feet and clamping water by arc pedaling according to the requirements and guidance of instructors, and the leg pad and the pneumatic spring are different from the traditional motor or program driving, so that the user can better realize the action key;

2. through setting up the mount pad in portable abdomen pad bottom, through sliding the mount pad on the equipment girder to fix the mount pad in inserting corresponding first fixed slot with first bolt fastening pole, can adjust the position of portable abdomen pad, slide scalable handle in fixed loop bar simultaneously, and cooperate in second bolt fastening pole inserts corresponding second fixed slot, adjust and fix the position of scalable handle, can be applicable to the user study of different sizes.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a schematic side sectional view of the movable abdominal pad of the present invention;

fig. 3 is a schematic side sectional view of the retractable handle of the present invention.

In the figure: 1. a device main beam; 2. a movable abdominal pad; 3. fixing the abdominal pad; 4. a leg pad; 5. a gas spring; 6. a gas spring fixing member; 7. erecting a frame; 8. a rubber band fixer; 9. a rubber band; 10. pedaling; 11. a mounting seat; 12. a first bolt-fixing rod; 13. a first fixing groove; 14. a retractable handle; 15. fixing the loop bar; 16. a second bolt fixing rod; 17. and a second fixing groove.

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. 1-3, the present invention provides a technical solution: a leg action training device for frog swimming comprises an equipment main beam 1, a movable abdominal pad 2, a fixed abdominal pad 3, a leg pad 4, a gas spring 5, a gas spring fixing piece 6, a vertical frame 7, a rubber band fixing device 8, a rubber band 9, a pedal 10, a mounting seat 11, a first bolt fixing rod 12, a first fixing groove 13, a telescopic handle 14, a fixing sleeve rod 15, a second bolt fixing rod 16 and a second fixing groove 17, wherein the leg pad 4, the fixed abdominal pad 3 and the movable abdominal pad 2 are respectively arranged on the equipment main beam 1 from left to right, and the bottom edge of the equipment main beam 1 is fixed with a vertical frame 7, a fixed loop bar 15 is arranged on the vertical frame 7 in a penetrating way, a telescopic handle 14 is nested in the fixed loop bar 15, a second bolt fixing bar 16 is arranged on the outer side of the fixed loop bar 15 in a penetrating way, the second bolt fixing rod 16 penetrates through the second fixing groove 17, and the second fixing groove 17 is opened on the telescopic handle 14.

The bottom of the movable abdominal pad 2 is fixed with a mounting seat 11, the mounting seat 11 is placed on the equipment main beam 1, a first bolt fixing rod 12 penetrates through and is fixed on the mounting seat 11, the first bolt fixing rod 12 is located in a first fixing groove 13, the first fixing groove 13 is formed in the equipment main beam 1, the mounting seat 11 is in sliding connection with the equipment main beam 1, the first fixing grooves 13 are arranged on the equipment main beam 1 at equal intervals, the mounting seat 11 is slid on the equipment main beam 1, the first bolt fixing rod 12 penetrates through the mounting seat 11 and the corresponding first fixing groove 13, the mounting seat 11 after sliding is fixed, and the position of the movable abdominal pad 2 can be adjusted according to users with different body types;

the bottom of the leg pad 4 is provided with a gas spring 5, and one end of the gas spring 5 is arranged on the outer side of the bottom of the main beam 1 of the device through a gas spring fixing part 6, so that the leg pad 4 can enable the legs of a user to move under the action of the gas spring 5 to assist learning, and meanwhile, the leg pad 4 can return to the original position by matching with the use of the gas spring 5;

the rubber band fixer 8 is arranged on the stand 7, and the rubber band fixer 8 is connected with the pedal 10 through the rubber band 9, so that a user can step the pedal 10 with the foot, and the user can complete two actions of turning over the foot and clamping water by the arc-shaped pedal according to the requirement and guidance of a mentor by matching the use of the rubber band 9 and the rubber band fixer 8;

the second fixed slot 17 is equidistantly distributed on the telescopic handle 14, the telescopic handle 14 is slidably connected with the fixed loop bar 15, the telescopic handle 14 can slide in the fixed loop bar 15, the second bolt fixed rod 16 penetrates through the telescopic handle 14 and the corresponding second fixed slot 17, the telescopic handle 14 is fixed at the corresponding position, and the telescopic handle is suitable for users with different body types.

The working principle is as follows: when the breaststroke leg action training device is used, an equipment main beam 1, a movable abdominal pad 2, a fixed abdominal pad 3, a leg pad 4, a gas spring 5, a gas spring fixing piece 6, a vertical frame 7, a rubber band fixer 8, a rubber band 9, a pedal 10, a mounting seat 11, a first bolt fixing rod 12, a first fixing groove 13, a telescopic handle 14, a fixing sleeve rod 15, a second bolt fixing rod 16 and a second fixing groove 17 are shown in figures 1-3, firstly, the device is adjusted according to the body type of a user, the mounting seat 11 slides on the equipment main beam 1, the first bolt fixing rod 12 penetrates through the mounting seat 11 and the corresponding first fixing groove 13, the mounting seat 11 after sliding is fixed, the position of the movable abdominal pad 2 can be adjusted according to users with different body types, then the telescopic handle 14 slides in the fixing sleeve rod 15, the second bolt fixing rod 16 penetrates through the telescopic handle 14 and the corresponding second fixing groove 17, the telescopic handle 14 is fixed at the corresponding position, and is suitable for users with different body types;

then, as shown in fig. 1-3, the user lies on the device, to ensure that the lower abdomen and chest are respectively attached to the fixed abdominal pad 3 and the movable abdominal pad 2, the user can completely spread and extend the device under the condition that the user completely grasps the telescopic handle 14, the guiding person can sleeve the foot pedal 10 for the user or the user sleeves the foot pedal 10 in advance to complete spreading and extension, which is the initial posture, according to the training requirement, the first action is taken as the leg-folding action, the user only needs to carry out the leg-folding action according to the requirement of the guiding person, under the combined action of the leg pad 4 and the pneumatic spring 5, the user can move the leg and the trunk to an included angle of about 130 degrees under the condition of always applying force, at the moment, the leg-folding is completed, under the fixing of the foot pedal 10 and the pulling force of the rubber band 9, the user can complete two actions of foot-folding and water-clamping according to the requirement of the guiding person, in the process of leg folding, as the force application direction of the legs of the user is not downward any more, the leg pad 4 is lifted along with the leg pad, and finally the lifting action is finished, and at the moment, the action of a whole set of legs is finished.

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. The utility model provides a frog swimming leg action trainer, includes equipment girder (1), gas spring (5), rubber band (9) and pedal (10), its characterized in that: turn right by a left side and install leg pad (4), fixed belly pad (3) and portable belly pad (2) respectively on equipment girder (1), and the bottom edge of equipment girder (1) is fixed with grudging post (7), run through on grudging post (7) and install fixed loop bar (15), and the nested scalable handle (14) that has in fixed loop bar (15), the outside of fixed loop bar (15) is run through and is installed second bolt fastening pole (16), and second bolt fastening pole (16) run through in second fixed slot (17) to second fixed slot (17) are seted up on scalable handle (14).

2. The frog swimming leg action training device of claim 1, wherein: the bottom of portable belly pad (2) is fixed with mount pad (11), and place on equipment girder (1) mount pad (11) to run through on mount pad (11) and be fixed with first bolt fastening pole (12), and first bolt fastening pole (12) are located first fixed slot (13), and first fixed slot (13) are seted up on equipment girder (1) moreover.

3. The frog swimming leg action training device of claim 1, wherein: the bottom of the leg pad (4) is provided with a gas spring (5), and one end of the gas spring (5) is arranged on the outer side of the bottom of the main beam (1) of the equipment through a gas spring fixing piece (6).

4. The frog swimming leg action training device of claim 1, wherein: the rubber band fixing device (8) is installed on the vertical frame (7), and the rubber band fixing device (8) is connected with a pedal (10) through a rubber band (9).

5. The frog swimming leg action training device of claim 2, wherein: sliding connection between mount pad (11) and equipment girder (1), and equidistant first fixed slot (13) that is provided with in equipment girder (1).

6. The frog swimming leg action training device of claim 1, wherein: the second fixing grooves (17) are distributed on the telescopic handle (14) at equal intervals, and the telescopic handle (14) is connected with the fixing loop bar (15) in a sliding mode.

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