CN209828190U - Breaststroke arm motion trail training device and vertical and prone breaststroke arm motion trail training system - Google Patents

Abstract

The utility model relates to a frog stroke arm motion trail training device, vertical and prone type frog stroke arm motion trail training system, which comprises a first layer plate and a second layer plate which are arranged in parallel, wherein the first layer plate is provided with a chute consistent with the motion trail of the standard frog stroke arm, the chute divides the first layer plate into a chute inner plate and a chute outer plate, the chute inner plate is connected with the second layer plate through a first connecting piece, the chute outer plate is connected with the second layer plate through a second connecting piece, a handle mechanism is connected in the chute in a sliding way, the bottom end of the handle mechanism is provided with a friction piece, the friction piece can be contacted with a friction pad fixed on the second layer plate for simulating the resistance of the arm in water, one side of the chute is provided with a limiting piece for limiting the angle between the upper arm and the shoulder when a student trains, the training device of the utility model not only can train the motion trail of the arm, but also can train the strength of the arm, and the training effect is good.

Description

Breaststroke arm motion trail training device and vertical and prone breaststroke arm motion trail training system

Technical Field

The utility model relates to a sports training equipment technical field, concretely relates to frog swimming arm motion trail trainer and training system.

Background

The breaststroke is one of swimming postures, the human body lies on the water surface, two arms are bent and drawn at the symmetrical straight arm side in front of the chest, two legs are bent and stretched symmetrically, pedaled and clamped, the swimming is similar to the swimming of a frog, the breaststroke is labor-saving, easy to last, high in practical value, commonly used words such as fishing and hunting, swimming across, rescue, water carrying and the like, and meanwhile, the breaststroke is also a learning item of a swimming beginner.

Breaststroke is one of competitive swimming items, has higher technical requirement to the swimming stroke, and only correct swimming stroke can furthest increase speed, and the arm action is one of the important power that provides the aquatic and gos forward during breaststroke, and from the action technical requirement, breaststroke arm action divide into: 1. grabbing water by hands; 2. high elbow paddling; 3. holding water in the bosom; 4, the whole paddling track is like a big peach shape (or called an inverted heart shape) from the top view. Wherein, the stage that the swimmer needs to use the explosive force is: the 'high elbow striking' and the 'water holding in the bosom' are two links. The link of 'holding water by hand' is less in strength, and the link of 'stretching forward' is relaxed most easily. From the aspects of essence and refinement and scientific training, the action technical requirements at the end of the 'high elbow stroke' are as follows: 1. the two elbows are extended outwards and are slightly higher than the shoulders from the horizontal view; and the opening angles of the two big arms and the swimming advancing direction are synchronously and symmetrically formed 80-degree included angles respectively.

Whether the arm action is standard or not is directly related to the integrity of the breaststroke action technology, and the coordinated matching effect of the breaststroke limb action and the breathing action is also determined, so that the action efficiency plays a crucial role. Needs trainees and coaches to exercise, correct, re-exercise and re-correct repeatedly, and can gradually form correct dynamic shaping after a plurality of rounds, thereby consuming long time and having long training period.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, provide a frog swims arm motion trail trainer, can effectively help the student to train according to standard arm motion trail, can simulate the atress condition in aqueous moreover, and the training effect is better.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a frog stroke arm motion trail trainer, includes parallel arrangement's first plywood and second plywood, first plywood is equipped with the spout unanimous with standard frog stroke arm motion trail, the spout is separated first plywood for spout inside plate and spout outside plate, the spout inside plate passes through first connecting piece and is connected with the second plywood, and the spout outside plate passes through the second connecting piece and is connected with the second plywood, sliding connection has handle mechanism in the spout, the handle mechanism bottom is equipped with the friction member, the friction member can contact with the friction pad of fixing at the second plywood for the resistance that the simulation arm received in aqueous, spout one side is equipped with the locating part, is used for the angle of upper arm and shoulder when restricting the student and trains.

Through setting up the spout, the arm when can standardizing the student training moves the orbit, through setting up friction piece and friction pad, can simulate the arm and receive the resistance of water, carries out strength training to the arm simultaneously, and training effect is good.

Further, the spout includes first spout portion, second spout portion, third spout portion and fourth spout portion, standard motion trail when first spout portion is distinguished with the breaststroke and is held the hand and grab water unanimously, standard motion trail when second spout portion is drawn with the breaststroke high elbow is unanimous, standard motion trail when embracing water in third spout portion and the breaststroke bosom is unanimous, standard motion trail when fourth spout portion is relaxed with the breaststroke both hands and is stretched before unanimous, first spout portion and second spout portion are equipped with a plurality ofly for satisfy different height arm length students' training demand.

Further, handle mechanism includes the handle, handle bottom fixedly connected with sliding shaft, be connected with the bearing on the sliding shaft, the sliding shaft section at bearing both ends is equipped with spacing platform, and two spacing platforms are used for spacing the bearing, prevent that the bearing from breaking away from the spout, the outer lane periphery and the spout groove face contact of bearing, handle pass through bearing and spout sliding connection.

Furthermore, the friction piece is L type pole, L type pole is fixed at the sliding shaft tip, the friction pad sets up the position that corresponds in second spout portion and third spout portion, and handle mechanism slides in second spout portion and third spout portion, and L type pole and friction pad produce frictional force for the resistance of the water that produces when simulating high elbow of breaststroke and embracing water in the bosom.

Furthermore, the first connecting piece adopts a connecting screw, the connecting screw penetrates through the first layer plate and the second layer plate, a connecting nut is screwed on the connecting screw, a screw cap of the connecting screw is in contact with the surface of the first layer plate, and the connecting nut compresses the second layer plate.

Furthermore, the locating part adopts the arc pole, the interface that the both ends of arc pole set up through first plywood and second plywood is connected with first plywood and second plywood grafting, be equipped with the multirow interface on first plywood and the second plywood for the regulation of arc pole position on first plywood and second plywood.

The utility model provides a vertical breaststroke arm movement track training system, includes breaststroke arm movement track training device, the vertical setting of first plywood and second plywood just all with support fixed connection, breaststroke arm movement track training device below is equipped with the stair structure for satisfy different height size students' training demand.

The trainees can train by standing on the step structure, and the operation method is simple and easy.

Further, first plywood is equipped with the head and aims at the hole, and the head alignment hole periphery coating has the head instruction line, head instruction line below is equipped with the shoulder indicator board for place head and shoulder in accurate position when the student trains.

A prone type breaststroke arm motion trail training system comprises a breaststroke arm motion trail training device and a body supporting device, wherein the body supporting device comprises a supporting plate which is horizontally arranged, the supporting plate is used for supporting a body, the supporting plate is fixedly connected with supporting legs, a head supporting ring is arranged at the end part of the supporting plate and used for supporting a head, a first layer plate and a second layer plate are distributed with the body supporting plate at included angles of 25-30 degrees.

The trainees train in prone postures, the actual breaststroke condition is simulated more truly, and the training effect is good.

Further, the second connecting piece includes first pole section and the second pole section that the integral type is connected, first pole section is the threaded rod, and first plywood and second plywood are passed perpendicularly to first pole section, and it has gland nut to screw up on the first pole section, gland nut compresses tightly first plywood, and second pole section is the contained angle setting with first pole section, and the contained angle equals with the contained angle of first plywood or second plywood and health backup pad for support first plywood and second plywood.

The utility model has the advantages that:

1. the utility model discloses a training device, through setting up the spout, can make the student carry out the arm motion according to the breaststroke arm movement track of standard during the training, guaranteed the standardization of student's training action, improved the training quality.

2. The utility model discloses a training device, through the friction member that sets up friction pad and handle bottom, can make the handle receive frictional resistance along the motion in-process of spout, the arm receives the condition of the resistance of water in aqueous when having simulated breaststroke, can train arm strength when guaranteeing the arm movement track standard.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic structural view of a breaststroke arm movement trajectory training device in embodiment 1 of the present invention;

FIG. 2 is a schematic view of the sliding connection between the handle and the chute according to embodiment 1 of the present invention;

FIG. 3 is an assembly diagram of a rubber pad in embodiment 1 of the present invention;

fig. 4 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 6 is a schematic view of the overall structure of embodiment 2 of the present invention;

wherein, 1, a first layer plate, 1-1, a chute inner side plate, 1-2, a chute outer side plate, 2, a second layer plate, 3, a chute, 3-1, a first chute part, 3-2, a second chute part, 3-3, a third chute part, 3-4, a fourth chute part, 4, a connecting screw, 5, a handle, 6, a sliding shaft, 7, a baffle table, 8, a bearing, 9, an L-shaped rod, 10, a rubber pad, 11, an arc-shaped rod, 12, a socket, 13, a vertical beam, 14, a support, 15, a cross beam, 16, a support beam, 17, a diagonal bracing beam, 18, a connecting stud, 19, a connecting nut, 20, a head alignment hole, 21, a head indication line, 22, a shoulder indication plate, 23, a step structure, 24, a body support plate, 25, a support leg, 26, a head support ring, 27, a notch, 28, a first rod section, 29, a second rod section, 30. and (5) pressing the nut.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "upper" and "lower" in the present invention shall only be used to indicate correspondence with the upper and lower directions of the drawings themselves, and shall not limit the structure, but merely to facilitate the description of the present invention and simplify the description, and shall not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and shall not be construed as limiting the present invention.

Just as the introduction of the background art, the situation that student's action is irregular appears easily in current breaststroke arm motion training method, and the training effect is not good, and to the above-mentioned problem, this application provides a breaststroke arm motion trail training device.

In a typical embodiment of the present application, as shown in fig. 1 to 4, a breaststroke arm movement track training device includes a first layer board 1 and a second layer board 2, the first layer board and the second layer board are arranged in parallel, the first layer board is provided with two symmetrically arranged sliding grooves 3 consistent with the standard breaststroke arm movement track, the two sliding grooves are respectively used for training two arms of a student, the sliding grooves separate the first layer board into a sliding groove inner side board 1-1 and a sliding groove outer side board 1-2, the sliding groove inner side board is fixedly connected with the second layer board through a first connecting piece, and the sliding groove outer side board is fixedly connected with the second layer board through a second connecting piece.

The sliding chute comprises a first sliding chute part 3-1, a second sliding chute part 3-2, a third sliding chute part 3-3 and a fourth sliding chute part 3-4, wherein the first sliding chute part is consistent with a standard motion track when the breaststroke hands grab water, the second sliding chute part is consistent with a standard motion track when the breaststroke high elbow strokes water, the third sliding chute part is consistent with a standard motion track when the breaststroke arms grab water, the fourth sliding chute part is consistent with a standard motion track when the breaststroke hands relax and extend forwards, the first sliding chute part and the second sliding chute part are respectively provided with three parts, the three first sliding chute parts and the three second sliding chute parts are respectively connected with the third sliding chute part and the fourth sliding chute part, the three first sliding chute parts and the three second sliding chute parts are arranged, requirements of arm length students with different heights are met, and the sliding chute inner side plate is divided into three parts due to the three first sliding chute parts and the three second sliding chute inner side plate, every part all is connected with the second plywood through first connecting piece, and during the use, the terminal surface of spout inside plate and spout outside plate keeps the parallel and level.

The first connecting piece adopts a connecting screw 4, the connecting screw penetrates through the first layer plate and the second layer plate and is screwed with a connecting nut, a screw cap of the connecting screw is pressed on the upper end surface of the inner side plate of the sliding groove, the connecting nut is pressed on the lower end surface of the second layer plate, and the inner side plate of the sliding groove is fixedly connected with the second layer plate by utilizing the connecting screw and the connecting nut.

The utility model discloses a handle, including the spout, the spout is equipped with 5 sliding connection of handle, the handle bottom is equipped with sliding shaft 6, and the both ends of sliding shaft are equipped with and keep off platform 7, two keep off the platform and are located the spout outside, and are located the top and the below of first plywood respectively, keep off the platform and be used for preventing the sliding shaft from breaking away from the spout, two install bearing 8 on the sliding shaft section between the fender platform, the outer lane periphery of bearing and the groove face contact of spout, handle accessible bearing and spout sliding connection.

The bottom end of the sliding shaft is fixed with a friction piece, the friction piece is an L-shaped rod 9 made of rubber, the L-shaped rod can be in contact with a friction pad fixed on the second layer plate and used for generating friction force with the friction piece when the handle slides along the sliding chute, the friction pad is a rubber pad 10 and is arranged at the position corresponding to the second sliding chute part and the third sliding chute part, and the position corresponding to the first sliding chute part and the fourth sliding chute part is not provided with the friction pad, so that the friction pad is arranged at the position corresponding to the second sliding chute part and the third sliding chute part when the handle slides along the second sliding chute part and the third sliding chute part and the friction force is generated by the L-shaped rod and the rubber pad when the arm holds water in the bosom during breaststroke, so as to simulate the resistance of the arm to the water in the water and the breaststroke process, when the hand grips water and loosens the front extension, the resistance of the water is very small, so that the friction pads are not arranged at the corresponding positions of the first sliding groove part and the fourth sliding groove part, and the handle is not influenced by the friction resistance when sliding along the first sliding groove part and the fourth sliding groove part.

The position, corresponding to the fourth sliding groove part, of the second layer plate is provided with a leakage groove 2-1, so that on one hand, the student is prompted to relax the forward extending section without any resistance, and on the other hand, the effect of ventilation and avoiding sound waves is achieved, and the student can conveniently breathe fresh air and speak.

The below position department of spout is equipped with the locating part of two symmetric distributions, the locating part is used for when training to restrict the angle between shoulder and the upper arm, makes the angle of upper arm and shoulder reach standard requirement, satisfies the high elbow promptly and strokes when moving the end, the relative position standard requirement of elbow and shoulder, the arm opens the standard requirement of angle, the locating part adopts arc pole 11, the interface 12 and first plywood and the grafting fixed connection of second plywood that set up on the both ends of arc pole pass through first plywood and the second plywood, first plywood is equipped with the multirow interface, and the position control on first plywood is realized to the interface that the arc pole accessible inserted different, satisfies different size students' training demand.

In an application embodiment 1 of the breaststroke arm movement trajectory training device, the training device is used for a vertical breaststroke arm movement trajectory training system, and the vertical breaststroke arm movement trajectory training system comprises a support and the breaststroke arm movement trajectory training device.

The support includes two vertical setting's perpendicular roof beam 13, two bottom and the support 14 fixed connection that erect the roof beam, and two top fixedly connected with crossbeams 15 that erect the roof beam, the upper portion of erecting the roof beam is equipped with oval-shaped supporting beam 16, is connected with bracing beam 17 between supporting beam and the support, and the structural strength of whole support is high, and stability is good.

The breaststroke arm movement track training device is characterized in that a first layer plate and a second layer plate of the breaststroke arm movement track training device are fixedly connected with a vertical beam through a second connecting piece, the second connecting piece adopts a connecting stud 18, the connecting stud penetrates through the first layer plate, the vertical beam and the second layer plate, two ends of the connecting stud are screwed with connecting nuts 19, and the first layer plate, the second layer plate and the vertical beam are tightly pressed and connected through the two connecting nuts.

The position that lies in between two spout lower parts on the first plywood is equipped with head and aims at hole 20, head is aimed at the hole periphery and is drawn there is head pilot line 21, and the below of spout is equipped with shoulder pilot plate 22, shoulder pilot plate and second plywood fixed connection, and pass first plywood through the slot that sets up on the first plywood, and the student aligns head and head with the hole is aimed at to the during use, and the shoulder aligns with the shoulder pilot line, makes student's initial position satisfy the training requirement.

The step structure 23 is arranged below the breaststroke arm motion trail training device, and trainees on the steps can stand on different steps according to the heights of the trainees to train, so that the training requirements of the trainees with different heights are met.

When the vertical breaststroke arm motion trail training system disclosed by the embodiment 1 is used, a student stands on the step structure and stands facing the first layer plate, the head is aligned with the head alignment hole, the shoulder is aligned with the shoulder indication line, two hands respectively hold the two handles, the arm moves to drive the handles to slide along the sliding groove, and the motion trail of the arm is trained.

When the handle slided along second spout portion and third spout portion, friction piece and friction pad produced the resistance, and the resistance that the arm met in aqueous when simulation breaststroke, this training system not only can satisfy the training of arm movement track during, can also train arm strength, and training effect is good.

In an application embodiment 2 of the breaststroke arm movement trajectory training device, as shown in fig. 5-6, the training device is used for a prone breaststroke arm movement trajectory training system, and the prone breaststroke arm movement trajectory training system comprises a body supporting mechanism and the breaststroke arm movement trajectory training device.

The body support mechanism comprises a horizontally arranged body support plate 24 which is fixedly connected with the top ends of four support legs 25, and the four support legs are used for supporting the body support plate. The body supporting mechanism is placed on one side of the breaststroke arm movement track training device, the end part on one side of the breaststroke arm movement track training device is provided with a head supporting ring 26 which is used for supporting a head when in use, the end part is also provided with a notch 27 which is used for the movement of a shoulder, and the end face of the body supporting plate, which is used for supporting the body, is arc-shaped, so that the requirement on the comfort level when in use is met.

The first layer plate and the second layer plate of the breaststroke arm motion trail training device are arranged at an included angle of 30 degrees with the body supporting plate, so that the breaststroke action condition in water can be simulated more truly, the second connecting piece adopts connecting rods arranged at four corners of the first layer plate and the second layer plate, the connecting rods comprise a first rod section 28 and a second rod section 29 which are integrally connected, the first rod section is a threaded rod, the first rod section penetrates through the first layer plate and the second layer plate and is vertically arranged with the first layer plate and the second layer plate, the top end of the first rod section is screwed with a compression nut 30, the compression nut compresses tightly the upper surface at first plywood, and the second pole section is connected with first pole section integral type, vertical setting, and first pole section equals with the contained angle of first plywood or second plywood and health backup pad with the contained angle of second pole section contained angle, and the length of second pole section makes first plywood and second plywood satisfy the requirement that sets up with health backup pad contained angle.

The training system of prone type breaststroke arm movement track of this embodiment, student lie prostrate in the health backup pad, and the head utilizes the head support ring to support, and the handle is held to both hands, and the arm action drives the handle and slides along the spout, carries out the training of breaststroke arm movement track, and when the handle slided along second spout portion and third spout portion, L type pole and rubber pad produced frictional force, and water had realized training the arm strength to the resistance that the arm produced during simulation breaststroke.

The breaststroke arm movement track training device of this embodiment, simple structure, convenient to use when the realization trains the arm movement track, can also carry out the training of arm strength, and training effect is good.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. The utility model provides a frog stroke arm motion trail trainer, its characterized in that, first plywood and second plywood including parallel arrangement, first plywood is equipped with the spout unanimous with standard frog stroke arm motion trail, the spout separates first plywood for spout inside plate and spout outside plate, the spout inside plate is connected with the second plywood through first connecting piece, and the spout outside plate passes through the second connecting piece to be connected with the second plywood, sliding connection has handle mechanism in the spout, the handle mechanism bottom is equipped with the friction member, the friction member can contact with the friction pad of fixing at the second plywood for the resistance that the simulation arm received in aqueous, spout one side is equipped with the locating part, is used for the angle of upper arm and shoulder when restricting the student and trains.

2. The breaststroke arm motion trail training device as claimed in claim 1, wherein the sliding grooves comprise a first sliding groove part, a second sliding groove part, a third sliding groove part and a fourth sliding groove part, the first sliding groove part is consistent with a standard motion trail when the breaststroke hands grab water, the second sliding groove part is consistent with a standard motion trail when the breaststroke high elbow grazes water, the third sliding groove part is consistent with a standard motion trail when the breaststroke hands hold water, the fourth sliding groove part is consistent with a standard motion trail when the breaststroke hands relax and extend forwards, and the first sliding groove part and the second sliding groove part are provided with a plurality of sliding groove parts for meeting training requirements of students with different height arm lengths.

3. The device for training the motion trail of the arms in the breaststroke according to claim 1, wherein the handle mechanism comprises a handle, a sliding shaft is fixedly connected to the bottom end of the handle, a bearing is connected to the sliding shaft, the shaft sections of the sliding shaft at the two ends of the bearing are provided with limiting tables, the two limiting tables are used for limiting the bearing and preventing the bearing from being separated from the sliding chute, the circumferential surface of the outer ring of the bearing is in contact with the groove surface of the sliding chute, and the handle is slidably connected with the sliding chute through the bearing.

4. The device for training the motion trail of the arms in breaststroke according to claim 3, wherein the friction member is an L-shaped rod, the L-shaped rod is fixed at the end of the sliding shaft, the friction pad is arranged at the corresponding position of the second sliding groove part and the third sliding groove part, and when the handle mechanism slides in the second sliding groove part and the third sliding groove part, the L-shaped rod and the friction pad generate friction force for simulating the resistance of water generated when the user grabs water at the elbow and holds water in the chest.

5. The device for training the motion trail of the arms in the frog stroke according to claim 1, wherein the first connecting member is a connecting screw passing through the first plate and the second plate, the connecting screw is screwed with a connecting nut, a nut of the connecting screw is in contact with the surface of the first plate, and the connecting nut presses the second plate.

6. The device for training the motion trail of the frog stroke arm according to claim 1, wherein the limiting member is an arc-shaped rod, two ends of the arc-shaped rod are connected with the first layer plate and the second layer plate in an inserting way through inserting ports arranged on the first layer plate and the second layer plate, and a plurality of rows of inserting ports are arranged on the first layer plate and the second layer plate for adjusting the positions of the arc-shaped rod on the first layer plate and the second layer plate.

7. A vertical breaststroke arm movement track training system is characterized by comprising the breaststroke arm movement track training device of claim 1, wherein the first layer plate and the second layer plate are vertically arranged and are fixedly connected with a support, and a step structure is arranged below the breaststroke arm movement track training device and used for meeting training requirements of students with different body heights and body shapes.

8. The training system for motion trail of arm of vertical breaststroke of claim 7 wherein said first layer is provided with a head aligning hole, the periphery of the head aligning hole is coated with a head indicating line, a shoulder indicating plate is arranged under the head indicating line for the trainee to place the head and the shoulder at the correct position during training.

9. A prone type breaststroke arm motion trail training system is characterized by comprising the breaststroke arm motion trail training device and a body supporting device, wherein the body supporting device comprises a supporting plate which is horizontally arranged and used for supporting a body, the supporting plate is fixedly connected with supporting legs, a head supporting ring is arranged at the end part of the supporting plate and used for supporting a head, and the first layer plate and the second layer plate are distributed at included angles of 25-30 degrees with the body supporting plate.

10. The training system for the motion trail of the breaststroke arm of claim 9, wherein the second connecting member comprises a first rod section and a second rod section which are integrally connected, the first rod section is a threaded rod, the first rod section vertically penetrates through the first layer plate and the second layer plate, a compression nut is screwed on the first rod section and compresses the first layer plate, the second rod section and the first rod section are arranged at an included angle, and the included angle is equal to the included angle between the first layer plate or the second layer plate and the body supporting plate and is used for supporting the first layer plate and the second layer plate.