74 results about "Breaststroke" patented technology

The invention provides a swimming stroke recognition method based on a smart band and a sports plan based on the smart band. Four normal swimming strokes of freestyle swimming, breaststroke, backstroke and butterfly stroke can be recognized. On the basis of a bayesian classification algorithm, according to different types of swimming stroke and physical quantities detected by the smart band, a swimming stroke recognition method is established, and moreover, with the combination of the sports time detected by the smart band and physical quantities such as the pulse beat, a sports plane including functional capacity evaluation is provided. By adopting the swimming stroke recognition method, high-standard requirements of people on healthy sports can be met.

The invention relates to a breaststroke underwater advancing mechanism based on link mechanisms, which comprises a body, wherein a set of symmetrical link mechanism is respectively fixed at both sides of the body; each set of link mechanism comprises a structure that a thigh connecting bar and a leg connecting bar are articulated on the body and the other end of the leg connecting bar is articulated with a leg; the other end of a thigh is articulated with the leg and the hinge joint is close to the hinge joint of the leg connecting bar and the leg; one end of a stay wire is articulated on the thigh, the other end is connected with a root of a sole, the connecting point is arranged at the inner side of the hinge joint of the leg and the sole, the whole stay wire is arranged at the inner side of the leg, and the stay wire, the thigh, the leg and the sole form a parallelogram link mechanism; one end of a foot dorsiflexing rubber band is fixed on the leg, the other end is connected with an instep of the sole, and the connecting is arranged at the inner side of the hinge joint of the leg and the sole; the middle of the sole is articulated with one end of the leg, a heel part is articulated with the stay wire, and the instep is connected with the foot dorsiflexing rubber band. The invention has simple structure and control and easy implement.

The invention provides a breaststroke land training device. The breaststroke land training device comprises a second hydraulic cylinder, an adjustable base, a fixed base, a sliding beam rod, a base plate, a communication soft tube, an adjustable throttle valve, a displayer, a first sliding block, a second sliding block, a third sliding block, two first hydraulic cylinders, two first connecting rods, two second connecting rods, two pedals and two stress sensors. According to the breaststroke land training device, specific air springs are adopted for providing imitation damp for athletes; double symmetric cranks share one sliding block mechanism; two symmetric congruent triangular structures are formed through the design; symmetric movement of the both legs is guaranteed; the standard breaststroke motion requirements are met; and the safety of a trainer is guaranteed when the breaststroke land training device is used. Three-layer type pedal plates creatively invented in the breaststroke land training device can guide footstep motions of the trainer according to changes of the force application directions of the legs; and synchronous and coordinated motions of the leg motions and the footstep motions can be achieved through the design that the footstep motions is guided by the leg motions. The invention further provides a breaststroke training method.

The invention relates to a breaststroke underwater propulsion system which provides advancing power for an underwater apparatus in a frog simulating underwater motion way, drives a pull rod by a piston so as to drive an upper end framework and a lower end framework, enables the upper end framework, the lower end framework and the pull rod to interact by a lever principle so as to drive frog feet to move and provide advancing power for the underwater apparatus. The breaststroke underwater propulsion system has simpler structure, low underwater noise level, no wake flow, high concealment performance and lower manufacturing and using cost and is a potential underwater propulsion system.

A training paddle for use by a swimmer comprises a base configured to accommodate a hand of the swimmer. A strap holds the base to the hand. A raised fin that extends upward from the base directs water away from flowing between the hand and the base.

The invention discloses a breaststroke posture learning limiter which comprises an upper limb limiting plate, a lower limb limiting plate and a back floating plate, wherein the upper limb limiting plate and the lower limb plate are fixed through fastening screws or mortise and tenon joints; the back floating plate is connected with the lower limb limiting plate through binding laces; the upper limb limiting plate is Y-shaped and comprises a support plate I; the upper part of the support I is circular arc-shaped; the support plate I is provided with two arm limiting parts which extend outwards and correspond to the upper limbs of a human body; the lower limb limiting plate takes the shape of an inverted Y and comprises a support plate II; the support plate II is provided with two leg limiting plates which extend outwards and correspond to the lower limbs of the human body. By adopting the breaststroke posture learning limiter, the mode that in conventional breaststroke posture teaching, a practicer can only learn the breaststroke posture through observation of a coach, proprioception of the practicer and language communication about the swimming action is changed; as the body of the practicer can be limited by the arm limiting plates and the leg limiting plates of the breaststroke posture learning limiter, a beginner can learn the standard swimming posture conveniently, rapidly and comprehensively.

A portable breaststroke scooter comprises a substrate, a front fork, a handle upright tube, handles, a left swing rod, a right swing rod, a left pedal, a right pedal, a front wheel, universal wheels and a brake. The substrate is formed by connecting a circular tube with a trumpet-shaped plastic piece. A circular tube of the front fork penetrates into the circular tube of the substrate. The handle upright tube is sleeved on an expanding tube at one end of a left handle of the handles on the front fork tube. A bouncing buckle is arranged in a tube hole of a left handle of the handles. The bouncing buckle on the left handle is connected with the expanding tube of the right handle in a locking mode. The handles are fixedly connected with the handle upright tube. Upright tubes are vertically welded at the front end of a circular tube of the left swing rod and the front end of a circular tube of the right swing rod. The back end of the circular tube of the left swing rod and the back end of the circular tube of the right swing rod are welded with screw barrels. Rotating barrels are sleeved in the upright tubes. The rotating barrel of the left swing rod and the rotating barrel of the right swing rod are connected with the substrate in a rotating mode. The left pedal and the right pedal are respectively connected to the left swing rod and the right swing rod. The front wheel is connected with the front fork. The universal wheels are connected with the screw barrels. The brake is arranged on the right handle and the front fork.

The invention discloses a breaststroke skateboard which comprises two skateboard frames, two panels, a connecting rod and four universal wheels. The skateboard frame is a rectangular tube; two universal wheel seats are weld at front and rear ends of each rectangular tube respectively; a stub axle is also upwards welded at the front end of the rectangular tube; perforated metal punched sheets are welded above the front and rear parts of the rectangular tube respectively; the two perforated metal punched sheets at the front and rear parts of the skateboard frame are connected with the panel through bolts; two universal wheels are screwed to the universal wheel seats at the front and rear ends of each skateboard frame respectively; and the stub axles of the skateboard frames to which the panels are connected are rotationally sleeved at two ends of the connecting rod.

The invention relates to an education robot and a control method thereof, in particular to a breaststroke teaching demonstration robot based on speech recognition, and a control method of the breaststroke teaching demonstration robot. The robot is a multi-degree-of-freedom humanoid robot, is provided with robot kinematic joints consistent with human body kinematic joints, and comprises robot leg systems, a robot body system, robot hand systems, a robot head system, a robot power system and a control system. The control method comprises the steps: after the robot is started, situations of all the parts of the robot are detected, whether all surrounding obstacles are larger than safe threshold values or not is detected, and the left leg system, the right leg system, the left hand system, theright hand system, the robot head system and the robot body system are controlled along with speech to move in a coordinated mode according to breaststroke teaching actions. The learning efficiency and the teaching quality can be improved, the urban-rural teaching gap is narrowed, and the breaststroke teaching demonstration robot can overall and flexibly cooperate with teaching demonstration, hasthe characteristics of being good in flexibility, high in intelligent degree, simple in structure and low in cost, and is easy to use and popularize.

Apparatus and method are provided for teaching and / or improving upon the mechanics of the whip kick that may be used while performing the breaststroke and training the competitive breaststroker. The tool includes a fin that is configured to receive a swimmer's foot and a propulsive blade that engages the water at the beginning of the propulsive phase of the kick, such as when the swimmer's legs have reached maximum flexion at the knees, with feet positioned slightly wider than the knees, heels turned in while the toes are turned out and ankles flexed. As the swimmer initiates the power phase of the kick, the propulsive blade achieves maximum purchase of the water. As execution of the power phase continues, the propulsive blade channels the captured water backward and away from the swimmer, remaining stiff enough to hold onto the water while force is applied, yet sufficiently flexible enough to recover or flip downward as the swimmer extends the ankles and rolls the outer edges of his / her feet over and inward, snapping the soles together.

The invention discloses a swimming stroke body-building (training) device, which comprises a body horizontal support plate, a support frame, front and rear elastic rope fixing bases or rope pull-back devices, a plurality of front and rear elastic ropes or drag ropes, a steel wire, hand supports and pedals, wherein the body horizontal support plate is supported by the support frame and is fixed at an appropriate position in the air; a group of elastic rope fixing bases or rope pull-back devices are fixed at a front position on the lower side of the body horizontal support plate; one end of several elastic ropes or drag ropes and one end of the steel wire are respectively connected with the group of elastic rope fixing bases or rope pull-back devices, and the other end of the several elastic ropes or drag ropes and the other end of the steel wire are connected with the hand supports; the other group of elastic rope fixing bases or rope pull-back devices are fixed at the back position on the lower side of the body horizontal support plate; one end of several elastic ropes or drag ropes and one end of the steel wire are respectively connected with the group of elastic rope fixing bases or rope pull-back devices, and the other end of the several elastic ropes or drag ropes and the other end of the steel wire are connected with the pedals. The swimming stroke body-building (training) device has the advantage that swimming postures such as breaststroke and the like can be adopted to perform body building and training on the body-building (training) device.

The invention relates to a training cylinder, in particular to a swimming training cylinder. The swimming training cylinder is expected to be relatively safe and convenient for swimming beginners to perform movement exercises. Technical scheme: a swimming training cylinder comprises a training cylinder, an inlet pipe, an outlet pipe, a lifting hollow plug, a valve, a first spring and the like; Anupper part of that right wall of the train cylinder is connected with an inlet water pipe, an upper part of the right wall of the training cylinder is provided with an inlet hole, the inlet hole is communicated with the inlet water pipe, a first through hole is provided on the upper part of the right wall of the training cylinder, the first through hole is communicated with the inlet hole, a lifting hollow plug is plugged in the first through hole, the lifting hollow plug is controlled by electric power, and an outlet water pipe is connected with the left part of the lower wall of the trainingcylinder. As that train cylinder is arranged, the volume of the train cylinder is small, and a proper amount of water can be introduced into the training cylinder for swim training, so that the training cylinder is relatively safe. As that first swivel lever and the support base are provided, the first swivel lever can be rotated clockwise to raise the first swivel lever when a person needs to perform relevant practice such as breaststroke or backstroke.

The invention discloses a breaststroke training machine with a breathing training function, and relates to the field of land breaststroke training equipment. The breaststroke training machine comprises hand training units, leg training units, a base and a breathing training unit. The hand training units are arranged at the head of the base, the leg training units are arranged at the tail of the base, the hand training units comprise horizontal front friction draw bars, the horizontal front friction draw bars horizontally move when the hand training units move, the leg training units comprise horizontal rear friction draw bars, the horizontal rear friction draw bars horizontally move when the leg training units move, and the breathing training unit is arranged in the middle of the base. Thebreaststroke training machine with the breathing training function has the advantages that trainees can conveniently master alternated breathing rhythm during land training, the breathing training unit can be driven to work by stretching movement of the bodies of the trainees, generated resistance comprises fluid resistance components, accordingly, resistance in water can be truly simulated, energy can be saved, and environments can be protected.

The invention discloses a breaststroke-type man-powered massaging cart which comprises a handle frame, a front fork rod, a branching head, two rear frames, a pedal, front wheels, rear wheels and a braking assembly. The front fork rod is connected to the middle of the handle frame, the branching head is connected with the front fork rod, the two rear frames are pivoted to two sides of the branchinghead, the front wheels are pivoted to the front fork rod, the rear wheels are pivoted to the two rear frames respectively, the braking assembly is matched with the rear wheels, the rear frames include bearing portions at the front ends and supporting portions at the rear ends, the bearing portions upwards incline at a certain acute angle with respect to the advancing direction of a cart body, thepedal is installed on the bearing portions, the rear wheels are installed on the supporting portions and are universal wheels, and the installing faces of the rear wheels and the supporting portionsupward incline at certain obtuse angles with respect to the advancing direction of the cart body. Therefore, the breaststroke-type man-powered massaging cart is pedaled by a user, the pressure produced by human body to the cart body has a component force in the advancing direction of the cart body, and then a thrust force making the cart body to advance can be produced through cooperation of opening and closing movements performed by the human body to the two rear frames so as to make the cart body advance.

The invention discloses a suspending-type breaststroke training device. The device includes a training fixation bracket (1) of a rectangular framework structure, a top fixing cross beam (6) is connected between a front frame and a rear frame on the top surface of the training fixation bracket (1), a head training assembly (4) and a hand training assembly (5) are arranged on the front portion of the fixing cross beam (6), an abdomen training assembly (3) is arranged in the middle of the training fixation bracket (1), and a leg training assembly (2) is arranged on the rear portion of the fixingcross beam (6). According to the suspending-type breaststroke training device, the head, the hands, the abdomen and the legs can be trained at the same time, a real water environment is simulated to the maximum degree, and meanwhile adjustable weights are added for the crowd having different physical conditions and different training purposes.

The invention relates to a training device, in particular to a breaststroke training device. The technical aim is to provide the breaststroke training device which can be convenient to use and can improve the training efficiency. According to the technical scheme, the breaststroke training device comprises a supporting base, a lifting device, a Y-shaped rack, a first support, a first supporting pad, a second support, a first slide sleeve, a first slide rod, a second supporting pad and the like; the lifting device is connected to the top of the supporting base, the Y-shaped rack is connected tothe top of the lifting device, and the first support is connected to the left side face of the Y-shaped rack; the first supporting pad is hinged to the top of the first support, and the second support is connected to the left side face of the first support. According to the breaststroke training device, a pedal is rightwards stepped on by foot, in this way, the second supporting pad can be upwards moved, so that the head of a beginner is upwards lifted out of the water surface, and accordingly the situation can be avoided that the beginner inhales water during breaststroke training; by releasing the pedal, the head of the beginner can be downwards moved into water of a water pond, in this way, repetition continues, breaststroke training can be conducted, and accordingly the training efficiency can be improved.

The invention relates to a simulated breaststroke trainer, and belongs to the field of electromechanics. A mechanical structure of the trainer is a bilateral symmetry structure; a singlechip serves as a controller; a hall proximity switch serves as a sensor; a display and the sensor are connected with the singlechip by wires; and the hall proximity switch comprises a pedal clamp termination switch, an arm pull initial switch, a stretching termination switch, a water embracing switch, a pedal clamp initial switch, a stretching initial switch and an arm pull termination switch. According to the trainer, a magnet serves as a sign; data is acquired by the proximity switch; the proximity switch is connected with the singlechip by the wire; the data is transmitted to the display after processed by the singlechip, so that the time of each breaststroke action of a trainee is detected; and the trainee is guided to accomplish the corresponding actions within the specified time, and reminded of mistakes in the breaststroke actions.

The invention provides an external-driven breaststroke robot used for vascular intervention. The external-driven breaststroke robot mainly comprises an elastic hinge (1), an upper permanent magnet (2), a lower permanent magnet (3), a lower pin (4), an upper pin (5), a lower tail fin (6) and an upper tail fin (7). Two ends of the elastic hinge (1) are connected with the upper permanent magnet (2) and the lower permanent magnet (3) in an adhesive mode, the magnetic polarity of the upper permanent magnet (2) is opposite to the magnetic polarity of the lower permanent magnet (3), the lower pin (4) and the upper pin (5) are inserted into holes of the lower permanent magnet (3) and the upper permanent magnet (2) respectively, and the lower pin (4) and the upper pin (5) are connected with the lower tail fin (6) and the upper tail fin (7) respectively. The micro breaststroke robot can be driven and controlled externally to achieve vascular intervention, and the external-driven breaststroke robot has the advantages of being simple in structure, prone to miniaturization and high in reliability.

The invention relates to a breaststroke training device which is constituted by an arm part, a body part and a lower-limb part. Symmetrically-arranged first guide rails are mounted on a first supporting frame of the arm part, and a display screen is mounted in the middle and placed on the ground. Hand-slipping devices are mounted on the first guide rails and can slide in the first guide rails. Thebody part comprises a second supporting frame, and a head protective groove, a chest protective groove, an abdomen protective groove, a crotch protective groove and a ventilating hole are formed in the second supporting frame. The second supporting frame is arranged on the position, between the body part and the lower-limb part, on the ground. The lower-limb part comprises a third supporting frame, a fourth supporting frame, second guide rails and foot-slipping devices. The fourth supporting frame is mounted on the upper portion of the middle of the third supporting frame and arranged on theground through the third supporting frame, and the symmetrically-arranged second guide rails are mounted on the fourth supporting frame. The foot-slipping devices are mounted on the second guide railsand can slide in the second guide rails. Posture training can be conducted on different portions of human bodies, and through harmonious cooperation of all the portions, harmonious movement of arm space actions and leg actions during breaststroke can be simulated.

The invention discloses a rod-shaped connecting rod breaststroke skateboard which comprises two bottom plates, two panels, a connecting rod and four universal wheels, wherein the front parts and rear ends of the two bottom plates are respectively provided with a wheel seat connected with the universal wheels; the wheel seats of the two bottom plates have a certain forward-bending angle; a bearing is inlaid at the top and bottom of the front ends of the two bottom plates respectively; downward convex ribs are arranged on the two sides of the two bottom plates; the two bottom plates are provided with grid reinforcing ribs and antiskid strips; a through hole, a plurality of strip holes and a plurality of downward protruding piles are formed at the front ends of the two panels; the two panels correspond to the two bottom plates; the connecting rod is formed by bending a metal round rod; each universal wheel is a universal wheel of a plastic wheel fork; the four universal wheels are connected at the bottoms of the wheel seats before and behind the two bottom plates; the two panels cover the two bottom plates; and the two ends of the connecting rod penetrate into the inner holes of the upper and lower bearings at the front ends of the two bottom plates and are positioned by gaskets and bolts.

The invention discloses an angle-adjustable hip breaststroke type gypsum orthopedic bed and belongs to the technical field of medical instruments. The angle-adjustable hip breaststroke type gypsum orthopedic bed comprises a support plate and a leg expansion jacking mechanism, wherein the leg expansion jacking mechanism is mounted above the support plate through a lifting bracket; the leg expansion jacking mechanism comprises a support rod which is detachably connected with the lifting bracket and leg brackets which are arranged at two ends of the support rod; the support rod is arranged transversely at the top of the support plate; the length of the support rod is adjustable; the leg brackets comprise thigh branches and shank branches; leg support pads are arranged at end parts of both the thigh branches and the shank branches. By adopting the angle-adjustable hip breaststroke type gypsum orthopedic bed, the defects that a conventional gypsum fixing operation mode is low in efficiency, great time and labor can be consumed and large artificial error factor influence can be caused can be broken through, and the defect of labor source limits can be thoroughly avoided. Treatment of whole gypsum orthopedic fixation can be completed by one operator, and moreover, the orthopedic bed has the advantages of being small in size, simple to operate, convenient to dissemble and mount, easy to carry and low in manufacturing cost, has relatively large clinical values and is worthy of great popularization.

The invention discloses a breaststroke and dragon walking dual-purpose vehicle of a round steel framework. The vehicle comprises a structural main component, a handle bar, two balance wheels, a front fork, a front wheel and a brake. The vehicle is characterized in that: the structural main component comprises a main component frame, two sleeves, a lock piece, a handle bolt and a screw hole; transverse bent upper and lower sheets of the main component frame are provided with holes, the longitudinal bent two sheets of the main component frame are also provided with holes and rotationally connected with the lock piece, and the lock piece is also rotationally connected with the handle bolt; the main component frame is welded with the two sleeves, and the two sleeves are rotationally connected with two swing rods; the balance wheel comprises a swing rod, a universal wheel and a plastic pedal; the main component frame is rotationally connected with a handle bar sleeve; the handle bar comprises a vertical tube, a handgrip and the handle bar sleeve; the front fork is hooked, and the front wheel is arranged on the lower hook of the front fork; and the brake is arranged on the front wheel. The vehicle is multifunctional and has a simple structure.

The invention provides auxiliary equipment for breaststroke breath taking teaching. A fitting groove is embedded in the middle of the top of a floating plate, a left movable floating plate is movablyconnected to the left side of the front end of the floating plate through a torsion rotation shaft, a fixation block is fixedly connected to the middle of the right side of the bottom of the left movable floating plate, a right movable floating plate is movably connected to the right side of the front end of the floating plate through a torsion rotation shaft, and a rotation shaft is embedded in the middle of the torsion rotation shaft; a torsion spring sleeves the outer wall of the rotation shaft, a left slide block is fixedly connected to the left side of the bottom of the floating plate, arotary pillar is embedded in the middle of the left slide block, balls are embedded in the upper and lower sides of the front and rear ends of the rotary pillar, a runner is fixedly connected to the outer wall of the rotary pillar, a middle slide block is fixedly connected to the middle of the bottom of the floating plate, a fixation block is fixedly connected to the middle of the left side of thebottom of the right movable floating plate, and a sliding rope is embedded in the middle of the fixation block. The whole auxiliary equipment is stable in structure, has a good breaststroke breath taking training capability, can correct breaststroke motions of trainees, and is convenient to use and operate.

The invention relates to a robot for displaying breaststroke basic motion teaching, which comprises a display stand. The display stand is fixedly provided with a hip frame, the left side of the hip frame is provided with an upper torso, and the left side of the upper torso is provided with a head. The hip frame is hingedly connected with the upper torso, and the upper torso has a horizontal groovein the upper middle portion. The front side and the rear side of the left part of the display stand are respectively fixed with a vertical plate and a motor frame, the vertical plate is provided witha vertical groove, the vertical groove is slidably provided with an adaptive block, a No. 1 motor is fixed on the motor frame, the No. 1 motor is connected with a disc, and a convex rod is welded onthe front end surface of the disc; a connecting rod is arranged between the convex rod and the adaptive block; and the adaptive block is welded with an inclined plate. The robot can also drive the legs of the robot to bend and kick on the basis of automatically driving the upper torso to perform the swing function, and realize the control of the two arms to rotate in sequence, thereby realizing the outer stroke and the inner stroke of the arms during the approximate simulated breaststroke. Therefore, the approximate simulation shows the basic movement of the breaststroke, and the good auxiliary teaching effect is achieved.

The invention provides a breaststroke hand motion and strength exerciser. The breaststroke hand motion and strength exerciser comprises a base, a prostration cushion, retractable support bars, palm fixing sleeves and a track limiting unit and is characterized in that the upper ends of the retractable support bars are connected with the palm fixing sleeves through spherical hinge pairs, and the lower ends of the retractable support bars are connected with the base through spherical hinge pairs; the track limiting unit is formed by connecting two symmetrical elliptical rings. During exercise, the retractable support bar can be operated along the inner walls of the elliptical rings and accordingly can completely limit and simulate the standard motion track of breaststroke hand motions; meanwhile, elastic ropes are connected between the retractable support bars and the elliptical rings, so that exercises on hand strength required by the breaststroke sport can be achieved.

Embodiments of the invention relate to a swimming training and swimming stroke bicycle capable of being ridden by applying a swimming stroke, and to a swimming training and swimming stroke bicycle capable of allowing swimming training to be carried out even when a user is not in a swimming pool and allowing a swimming stroke to be practiced and the muscular strength required for swimming to be trained since it is possible to ride the bicycle in various swimming styles such as freestyle, breaststroke, butterfly or backstroke, and capable of allowing a bicycle ride to be enjoyed without boredom since a bicycle can be ridden in new and various styles.

The invention belongs to the technical field of swimming teaching equipment and discloses a land all-dimensional swimming teaching device. The teaching device comprises a bottom plate, wherein a supporting frame is connected to an upper end of the bottom plate, a television display screen is installed at an upper end of the supporting frame, a robot is installed on the bottom plate, VR glasses are arranged on the robot, and the VR glasses are connected with the television display screen through electric signals; a respirator is arranged on the robot, the robot comprises four electric push rods which are symmetrically arranged, the electric push rods are installed at the upper end of a bottom plate, piston ends of the four electric push rods are jointly connected with a supporting bed, four sets of mechanical arms are symmetrically and movably installed on the side wall of the supporting bed, the four sets of mechanical arms are symmetrically arranged in pairs, and the robot is controlled by a computer. The motion speed, the motion amplitude and the posture, such as freestyle swimming, breaststroke and backstroke, can be adjusted, and an alarm is given and the machine is stopped when the motion speed, the motion amplitude and the posture exceed the set motion and amplitude. Through a simple mechanical structure, students can learn conveniently, consumed time is short, the effect is quick, and time is saved.

The invention discloses an onshore breaststroke learning machine. The onshore breaststroke learning machine comprises an upper limb movement mechanism, a trunk movement mechanism and a lower limb movement mechanism; the upper limb movement mechanism comprises upper limb tracks, arm pull slider assemblies, a motor induction switch and a lower limb stopper induction switch; each arm pull slider assembly slides to the initial position of the arm pull state along the corresponding upper limb track, and the motor induction switch sends out a signal to control the trunk movement mechanism to act; when the arm pull slider assemblies slide to the upper limb withdrawing positions, the lower limb stopper induction switch sends out a signal to control the lower limb movement mechanism to complete one time of leg drive movement; the lower limb movement mechanism comprises lower limb tracks, leg drive slider assemblies, foot hitching plates, connection pieces and lower limb stoppers. The first connection pieces are flexibly connected with the leg drive slider assemblies and the foot hitching plates; the leg drive slider assemblies slide to the lower limb withdrawing positions along the lower limb tracks, the lower limb stoppers receive the signal of the lower limb stopper induction switch, and the sliding is allowed or stopped. By means of the onshore breaststroke learning machine, the standard property of the breaststroke movement gesture and the coordination property of the movement time are ensured.

The invention relates to a multifunctional scooter which integrates a scooter, a breaststroke vehicle and a drifting vehicle. The multifunctional scooter mainly comprises a strut, a reinforcing tube I and a reinforcing tube II, wherein a handrail is arranged at the upper end of the strut, a front wheel is arranged at the lower end of the strut, both the reinforcing tube I and the reinforcing tube II are articulated with the strut, a pedal I is arranged on the reinforcing tube I, a pedal II is arranged on the reinforcing tube II, the pedal I and the pedal II can be connected with or separated from each other through a locker, the tails of both the reinforcing tube I and the reinforcing tube II are provided with universal wheels, and the multifunctional scooter also comprises a brake device for controlling the universal wheels to stop rolling. The multifunctional scooter provided by the invention is simple in structure, novel in style, and convenient to use, and can be flexibly converted into the scooter, the breaststroke vehicle and the drifting vehicle, thus being multifunctional. Meanwhile, the multifunctional scooter has a shock-proof function, can be used as a water bottle cage for placing a water bottle, and has a function of flashing and sending out music sound simultaneously so as to provide visual and auditory enjoyment, so that pleasure is added to the scooter.