Swimming booster capable of being freely stepped on
Technical Field
The invention relates to the technical field of swimming equipment, in particular to a free stepping swimming boosting device.
Background
Swimming is a sports that most people like, especially in the hot summer, if can be in swimming pool or the smooth one time of swimming in the river and the sea, can prevent heatstroke cooling, can temper the health again, simultaneously, also can feel the enjoyment that swimming brought.
Swimming and playing in water are physical exercises and interesting events for swimming lovers, are favorite sports of most people, but are very physical exertion, and are not kept up by most people, so that the swimming lovers have the risk of drowning in water for a long time.
While swimming requires a certain technology, not common people, and can be performed by other tools. At present, the life-saving tool is generally used, so that not only is the swimming difficult to learn, but also the real pleasure of swimming cannot be felt. Meanwhile, in order to increase the swimming speed, the swimming speed of a person is generally increased by aid of auxiliary tools such as a fin or an electric propeller, but the speed cannot be increased by the fin, and the electric propeller is too expensive in manufacturing cost and is not born by a general swimmer.
In this regard, the applicant has invented a foot-operated swimming boosting device of chinese application number CN202120600232.6, through which the effects of physical exercise and improving the sense of swimming experience can be better achieved, and the swimming traveling speed is improved without endurance limit problems, however, the device has the disadvantage that, because the chain is wound around the sprocket, during the thrust generation, one foot is in a straightened state and the other foot is necessarily in a curved state, so that the legs and feet of the user are limited and the thrust cannot be maximally generated.
Disclosure of Invention
The invention aims to provide a free stepping swimming boosting device which is used for solving the problems in the background technology, so that in the process that any one leg or two legs generate thrust from any state, the other leg is not constrained by the state, and the thrust can be maximally generated, thereby improving the experience effect.
The swimming boosting device comprises an upper convolution shell and a lower convolution shell which are arranged up and down, wherein convolution bodies are symmetrically arranged in a cavity formed between the upper convolution shell and the lower convolution shell, a main shaft is arranged in the cavity, two unidirectional bearings are sequentially connected to the shaft body of the main shaft up and down, outer rings of the two unidirectional bearings are respectively connected with the corresponding convolution bodies, and the upper end of the main shaft is rotationally connected in a bearing seat of the upper convolution shell;
The end faces of the two rotating bodies, which are far away from each other, are provided with mounting grooves, scroll springs are mounted in the mounting grooves, one ends of the scroll springs are fixed on the groove walls of the mounting grooves, and the other ends of the scroll springs are respectively connected with the bearing seat part of the upper rotating shell and the bearing seat part of the lower rotating shell;
The two rotating bodies are circumferentially provided with rope grooves, pull ropes are wound on the rope grooves, one ends of the pull ropes are fixed at the bottoms of the rope grooves, guide mechanisms are arranged in the shell walls of the upper rotating shell and the lower rotating shell, and the other ends of the pull ropes extend to the outside through the guide mechanisms;
The lower end of the main shaft is rotatably connected to the lower rotary shell bearing seat and penetrates through the lower rotary shell bearing seat to be connected with an accelerating mechanism, and one side, far away from the lower rotary shell, of the accelerating mechanism is connected with a propelling mechanism.
Preferably, the accelerating mechanism comprises a shell support and a gear ring, an opening is formed in the lower end face of the shell support, the opening end of the gear ring extends to the inside of the shell support to form a preset distance, the spindle sequentially penetrates through a lower rotary shell and the shell support to be connected with a primary planet carrier, a plurality of primary planet gears are uniformly distributed on the lower end face of the primary planet carrier along the circumferential direction, the outer parts of the primary planet gears are respectively meshed with ring teeth arranged on the gear ring to drive, the inner parts of the primary planet gears are meshed with a plurality of secondary planet gears, the outer parts of the secondary planet gears are respectively meshed with ring teeth arranged on the gear ring to drive a plurality of secondary planet gears, the upper end of the transmission shaft is rotationally connected to the lower end of the secondary planet carrier, and the lower end of the transmission shaft penetrates through the gear ring to extend to the outer part to be connected with the upper end of the propelling mechanism.
Preferably, the propelling mechanism comprises a pressure cavity, a water inlet is formed in the lower end of the pressure cavity, a water outlet is formed in the side face of the pressure cavity, turbine blades are arranged in the pressure cavity, and the lower end of the transmission shaft extends into the pressure cavity to be connected with the turbine blades.
Preferably, a fixing frame is arranged between the inner wall of the pressure cavity and the turbine blade, the fixing frame comprises two fixing rings which are arranged in parallel, a grid blade is connected between the two fixing rings, the projection of the grid blade in the annular surface of the fixing ring and the tangential direction of the fixing ring are provided with a preset angle, one fixing ring is provided with a framework, a bearing seat is arranged at the center of the inner side of the framework and is in propping and rotating connection with the turbine blade, and the outer ring of the fixing ring on the outer side of the framework is in threaded connection with the water inlet of the pressure cavity.
Preferably, a plurality of ball grooves are formed in the circumferential direction on the end faces, close to each other, of the rotating body, connecting holes are formed in the rotating body, two ends of each connecting hole are respectively communicated with the rope grooves, the middle points of the connecting holes coincide with the middle points of one ball groove, and one end of each pull rope sequentially penetrates through the connecting holes and the ball grooves and is knotted into balls at the end of each pull rope to be placed into the corresponding ball groove for connection and fixation.
Preferably, the guiding mechanism comprises a guiding opening arranged between an upper convolution shell and a lower convolution shell, a rope fixing block is arranged in the guiding opening, the upper end face and the lower end face of the rope fixing block are provided with guiding grooves, two guiding wheels are respectively arranged in the front-back direction of the guiding grooves, each guiding wheel is extended to the outside through a guiding hole formed between the two guiding wheels arranged on the same guiding groove and penetrated by the other end of the pull rope, one end of each guiding wheel is rotationally connected with the rope fixing block through a pin, the other end of each guiding wheel is rotationally connected with the upper convolution shell and the lower convolution shell through pins, and the rope fixing block is fixedly connected with the upper convolution shell and the lower convolution shell through pins.
Preferably, the novel water bottle further comprises a guide cone, wherein the guide cone is of a hollow structure and is provided with a bottle body and a bottle cap, the guide cone is arranged on the opposite side of the water outlet, ribs are arranged on the lower rotary shell, the shell support and the side wall, close to the guide cone, of the pressure cavity, a dovetail groove matched with the ribs is formed in the guide cone, a locking tongue is arranged at one end of the dovetail groove, and a blocking head is arranged at the other end of the dovetail groove.
Preferably, the device further comprises a plurality of connecting components arranged on the circumference of the upper rotary shell, wherein the connecting components are in a locking state under the stress state in a preset direction, and can rotate for a preset angle and realize disassembly and assembly in a plugging mode when no external force is applied to the connecting components; the plurality of connecting components are fixedly worn on the body of the swimmer through the binding bands, and the freely stepping swimming boosting device is required to be positioned between the front waist of the abdomen of the swimmer after the swimmer is worn and fixed.
Preferably, the connecting assembly comprises a plugging groove and a plugging hook, the plugging groove is circumferentially arranged on the upper rotary shell, an opening of the plugging groove is far away from one side of the rotary body and is provided with a fan-shaped structure, one side of a notch of the plugging groove is provided with a limiting block, one end of the plugging hook extends to the bottom of the plugging groove, the bottom of the plugging groove is cylindrical, the matching surface of the plugging hook is the same cylindrical surface, the plugging hook can rotate in the plugging groove in a matched mode by a preset angle, the other end of the plugging hook is located outside the plugging groove, the plugging hook is provided with a limiting groove, the plugging hook is in an initial state and is disassembled in a plugging mode, and the limiting groove is matched with the limiting block to realize locking when the plugging hook rotates to the preset angle.
Preferably, the K-shaped blocks are symmetrically arranged on the plugging hooks outside the plugging grooves in front and back, one ends of the K-shaped blocks are in a suspended state, and the K-shaped blocks are provided with the functions of enabling the plugging hooks to be in a locking or detachable state under the action of external force in a preset direction.
The invention has the beneficial effects that:
Compared with the prior art, the free stepping swimming boosting device provided by the invention has the advantages that in the process that any one leg or two legs of a user step from any state to generate thrust, the other leg is not constrained by the state, and the thrust can be generated maximally according to the requirement, so that the swimming experience effect is improved, and compared with the prior art, the device can be well suitable for the situation that the disabled has one leg, and is different from the situation that the two legs are required to cooperatively generate the thrust in the prior art.
Drawings
Fig. 1 is a schematic diagram of the front section structure of the free stepping swimming boosting device of the invention.
Fig. 2 is a schematic diagram of the rear axle side structure of the free tread swimming booster of the present invention.
Fig. 3 is a schematic diagram of the front axle side structure of the free stepping swimming booster of the present invention.
Fig. 4 is a schematic diagram of the structure of the rotary shell of the free stepping swimming booster of the invention.
Fig. 5 is a schematic view of the structure of the rotating body of the free stepping swimming booster.
Fig. 6 is a schematic diagram of the structure of the other side of the rotating body of the free stepping swimming booster.
Fig. 7 is a schematic diagram of the shell bracket structure of the free stepping swimming booster of the invention.
FIG. 8 is a schematic diagram of the spiral spring structure of the free stepping swimming booster of the present invention.
Fig. 9 is a schematic diagram of the internal structure of the accelerating mechanism of the free stepping swimming booster.
Fig. 10 is a schematic view of the structure of the fixing frame of the free stepping swimming boosting device of the invention.
FIG. 11 is a schematic view of the turbine blade structure of the free stepping swimming booster of the present invention.
FIG. 12 is a schematic view of the guiding mechanism of the free stepping swimming aid according to the present invention.
Fig. 13 is a schematic structural view of a connecting assembly of the free stepping swimming booster of the present invention.
Fig. 14 is a schematic view of the flow guiding cone structure of the free stepping swimming booster of the present invention.
Fig. 15 is a schematic view of the structure of the gear ring of the free stepping swimming boosting device.
Fig. 16 is a schematic diagram of the main shaft structure of the free stepping swimming booster of the present invention.
In the figure, the upper rotating shell, the lower rotating shell, the 3-rotating body, the 4-main shaft, the 5-one-way bearing, the 6-mounting groove, the 61-bayonet, the 7-scroll spring, the 71-convex ring, the 72-convex part, the 8-rope groove, the 9-stay rope, the 10-shell support, the 11-gear ring, the 12-primary planet carrier, the 13-primary planet, the 14-secondary planet carrier, the 15-secondary planet, the 16-transmission gear, the 17-transmission shaft, the 18-pressure cavity, the 19-water inlet, the 20-water outlet, the 21-turbine blade, the 22-fixing frame, the 221-fixing ring, the 222-grid frame blade, the 223-skeleton, the 23-ball groove, the 24-connecting hole, the 25-rope fixing block, the 26-guiding groove, the 27-guiding wheel, the 28-guiding cone, the 29-rib, the 30-dovetail groove, the 31-inserting groove, the 32-inserting hook, the 33-limiting block, the 34-limiting groove and the 35-K-type block are arranged.
Detailed Description
The following description of the embodiments of the present invention will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-16, the free stepping swimming boosting device comprises an upper rotary shell 1 and a lower rotary shell 2 which are arranged up and down, wherein rotary bodies 3 are symmetrically arranged up and down in a cavity formed between the upper rotary shell 1 and the lower rotary shell 2, a main shaft 4 is arranged in the cavity, two unidirectional bearings 5 are sequentially connected up and down on the shaft body of the main shaft 4, namely, the main shaft 4 is connected with the inner ring of the unidirectional bearings 5 through keys, wherein the model of the unidirectional bearings 5 is CSK17PP with grooves 17 x 40 x 12, namely, the unidirectional bearings 5 are provided with the characteristic that the outer ring can drive the inner ring to rotate positively (at the moment, the outer ring cannot drive the inner ring to rotate when in reverse rotation, and the inner ring cannot drive the outer ring to rotate when in forward rotation, the outer rings of the two unidirectional bearings 5 are respectively connected with the corresponding rotary bodies 3, and the upper ends of the main shaft 4 are rotationally connected in a bearing seat of the upper rotary shell 1 through bearings;
The end faces of the two rotating bodies 3, which are far away from each other, are provided with mounting grooves 6, scroll springs 7 are mounted in the mounting grooves 6, one ends of the scroll springs 7 are fixed on the groove walls of the mounting grooves 6, specifically, bayonets 61 are uniformly formed on the circumferences of the groove walls of the mounting grooves 6, one ends of the scroll springs 7 are bent to have a U-shaped cross section and are clamped on any two adjacent bayonets 61 to realize fixation, and the other ends of the scroll springs 7 are respectively connected with the bearing seat part of the upper rotating body 1 and the bearing seat part of the lower rotating body 2; specifically, the end faces of the bearing seat part of the upper rotary shell 1 and the bearing seat part of the lower rotary shell 2, which are close to each other, are cut into a convex ring 71 and a convex part 72 with a convex ring 71 outer ring and a convex part 72 outer ring being in a common circle, the inner ring of the convex ring 71 is tangent to the cut, at the moment, the other end of the spiral spring 7 can be clamped between the convex ring 71 and the convex part 72 and is fixedly connected through a fixing pin or a screw, the two rotary bodies 3 are circumferentially provided with rope grooves 8, the rope grooves 8 are wound with pull ropes 9, one ends of the pull ropes 9 are fixedly arranged at the bottom of the rope grooves 8, specifically, the end faces of the two rotary bodies 3, which are close to each other, are circumferentially provided with a plurality of ball grooves 23, the rotary bodies 3 are provided with connecting holes 24, two ends of the connecting holes 24 are respectively communicated with the rope grooves 8, the midpoint of the connecting holes 24 is coincident with the midpoint of one ball groove 23, one end of the pull ropes 9 sequentially passes through the connecting holes 24 and the ball groove 23 and is knotted at the end of the ball groove 23, the two pull ropes 9 are fixedly connected in the ball groove 23, the directions of winding are kept consistent, the two ends of the pull ropes 9 are arranged in the winding directions, the upper rotary shell 1 and the lower rotary shell 2 are provided with guide mechanisms, the guide mechanisms extend to the outer parts of the two guide mechanisms respectively, the connection mode is the prior art, and is not repeated here, the lower end of the main shaft 4 penetrates through the lower rotary shell 2 to be connected with an accelerating mechanism, one side, far away from the lower rotary shell 2, of the accelerating mechanism is connected with a propelling mechanism, in the specific use process, a user steps on the pedal to enable the pull rope 9 to be in an outwards tensioning state, the pull rope 9 drives the rotary body 3 to rotate, and the center of the rotary body 3 is connected with the outer ring of the one-way bearing 5 to drive the inner ring of the one-way bearing 5 to rotate, and the inner ring of the one-way bearing 5 drives the main shaft 4 to rotate, so that the main shaft 4 drives the accelerating mechanism and the propelling mechanism to operate to generate thrust; when the external pulling rope 9 is not pulled by external force after the treading process is finished, the spiral spring 7 restores the rotating body 3 to the initial state due to the rebound effect of the spiral spring 7, so that the external pulling rope 9 is led into the inside and wound in the rope groove 8 to prepare for the next pulling of the pulling rope 9, the rotating body 3 rotates reversely, the rotating body 3 drives the outer ring of the unidirectional bearing 5 to rotate reversely due to the unidirectional bearing 5, the outer ring of the unidirectional bearing 5 can not drive the inner ring of the unidirectional bearing 5 to rotate reversely, the main shaft 4 is in the inertial state and can not rotate, so that the propulsion mechanism can only generate forward thrust and can not generate reverse thrust, in addition, in the thrust generation process of treading any one leg or two legs from any state, the other leg is not constrained by the state of the user, and can generate thrust according to the requirement maximization, thereby improving the experience effect, moreover, the device can be well suitable for the situation that the disabled people have single legs and feet, and the disabled people need to generate thrust jointly, thereby improving the swimming experience effect of the user.
In this embodiment, as a preferred embodiment of the foregoing embodiment, in order to improve the transmission effect, the accelerating mechanism includes a housing support 10 and a gear ring 11, the lower end surface of the housing support 10 has an opening, the open end of the gear ring 11 extends to the interior of the housing support 10 to have a predetermined distance, the spindle 4 sequentially passes through the lower rotary housing 2 and the housing support 10 to be connected with a first-stage planetary carrier 12, the lower end surface of the first-stage planetary carrier 12 is uniformly distributed along the circumferential direction to be connected with a plurality of first-stage planetary gears 13, the outer parts of the plurality of first-stage planetary gears 13 are respectively engaged with ring teeth provided on the gear ring 11 to be transmitted, the inner parts of the plurality of second-stage planetary gears 15 are uniformly distributed along the circumferential direction to be connected with a plurality of second-stage planetary gears 15, the inner parts of the plurality of second-stage planetary gears 15 are engaged to be transmitted with a transmission gear 16, the upper end of the transmission gear 17 is rotatably connected to the lower end of the second-stage planetary carrier 14 through a bearing, and the lower end of the transmission shaft 17 extends to the outer part to be connected with the upper end of the propelling mechanism through the gear ring 11; the accelerating mechanism is set to be a second stage, and can be increased or decreased according to the requirement, and the accelerating mechanism can obtain the optimal transmission ratio to obtain larger thrust, and in order to improve the stable effect of the operation of the accelerating mechanism, the end faces of the shell support 10 and the first-stage planet carrier 12, and the end faces of the first-stage planet carrier 12 and the second-stage planet carrier 14, which are close to each other, are respectively provided with bearings, in the transmission process, the lower end of the main shaft 4 drives the first-stage planet carrier 12 to rotate, the first-stage planet carrier 12 makes the first-stage planet wheels 13 rotate and revolve, the first-stage planet wheels 13 drive the second-stage planet carrier 14 to rotate, so that the second-stage planet wheels 15 rotate and revolve, the first-stage planetary gear 13 and the second-stage planetary gear 15 are meshed with ring teeth arranged on the fixed gear ring 11 for transmission, so that the second-stage planetary gear 15 drives the transmission gear 16 to rotate, and the transmission shaft 17 is connected with the transmission gear 16, so that the output end of the transmission shaft 17 drives the propelling mechanism to operate, namely the turbine blades 21 are driven to rotate to generate forward thrust.
In this embodiment, as a preferred embodiment of the above embodiment, the propulsion mechanism includes a pressure chamber 18, a water inlet 19 is provided at the lower end of the pressure chamber 18, a water outlet 20 is provided at the side of the pressure chamber 18, turbine blades 21 are provided in the pressure chamber 18, and the lower end of the transmission shaft 17 extends into the pressure chamber 18 to be connected with the turbine blades 21.
Specifically, in order to guarantee the stability of propulsion mechanism, be provided with mount 22 between pressure chamber 18 inner wall and the turbine blade 21, mount 22 includes two parallel arrangement's solid fixed ring 221, is connected with bars frame blade 222 between two solid fixed ring 221, and the projection of bars frame blade 222 in guy ring 221 anchor ring has predetermined angle with gu fixed ring 221's tangential direction to make the water drainage of outlet 20 department outside outlet 20, play the effect of drainage through setting up pressure chamber 18, bars frame blade 222 and the predetermined angle co-action of setting up thereof, be provided with skeleton 223 on one of them solid fixed ring 221, skeleton 223 inboard center department is equipped with the bearing frame and supports to rotate with turbine blade 21 and be connected, the solid fixed ring 221 outer lane in skeleton 223 outside is connected with pressure chamber 18 water inlet 19 screw thread, thereby conveniently fixes mount 22.
In this implementation, in order to improve the guide effect of stay cord 9, make stay cord 9 more stable in pulling or shrink in-process, guiding mechanism is including setting up the guiding mouth between last casing 1 and the lower casing 2 of circling round, be provided with in the guiding mouth and decide rope piece 25, it is provided with guiding gutter 26 to decide rope piece 25 up and down the terminal surface, two guiding gutter 26 are provided with two leading wheels 27 respectively along the fore-and-aft direction, the other end of every stay cord 9 passes the guiding hole that forms between two leading wheels 27 that set up on same guiding gutter 26 and extends to outside, leading wheel 27 one end rotates with decides rope piece 25 through the pin and is connected, the other end of leading wheel 27 rotates with last casing 1 and the lower casing 2 of circling round respectively through the pin and is connected, decide rope piece 25 through the pin respectively with last casing 1 and the lower casing 2 fixed connection that circles round.
The novel water bottle further comprises a guide cone 28, the guide cone 28 is of a hollow structure and is provided with a bottle body and a bottle cap, the guide cone 28 is arranged on the opposite side of the water outlet 20, ribs 29 are arranged on the side walls of the lower rotary shell 2, the shell support 10 and the pressure cavity 18, which are close to the guide cone 28, dovetail grooves 30 matched with the ribs 29 are arranged on the guide cone 28, one end of each dovetail groove is provided with a locking tongue, the other end of each dovetail groove is provided with a blocking head, one end of each guide cone 28, which is far away from the upper rotary shell 1, is in a pointed cone shape, and the bottle cap is arranged at the pointed cone.
The device is convenient to fix on a user, and achieves the effect of convenient disassembly and assembly, and the device further comprises a plurality of connecting components arranged on the circumference of the upper rotary shell 1, wherein the connecting components are in locking states under the stress state in a preset direction, can rotate a preset angle when not subjected to external force and are disassembled and assembled in an inserting mode, the connecting components are fixedly connected on the body of the swimmer through binding belts, and the freely-trampling swimming boosting device is positioned between the front waist of the swimmer after being well fixed.
Specifically, the connecting component comprises a plugging groove 31 and a plugging hook 32, the plugging groove 31 is circumferentially arranged on the upper rotary shell 1, an opening of the plugging groove 31 is far away from one side of the rotary body 3, the plugging groove 31 is provided with a fan-shaped structure, the plugging hook 32 is convenient to rotate, one side of a notch of the plugging groove 31 is provided with a limiting block 33, one end of the plugging hook 32 extends to the bottom of the plugging groove 31, the bottom of the plugging groove is cylindrical, the matching surface of the plugging hook is same cylindrical, the plugging hook can rotate in the plugging groove in a matched mode by a preset angle, the other end of the plugging hook 32 is positioned outside the plugging groove 31, the plugging hook 32 is provided with a limiting groove 34, the plugging hook 32 is assembled and disassembled in a plugging mode in an initial state, the limiting groove 34 and the limiting block 33 are matched to realize locking when the plugging hook 32 rotates to the preset angle, the connecting component can be arranged at a required position according to a stress direction, the stress direction of two symmetrical connecting components is positioned in the upper surface direction of the upper rotary shell 1, the stress direction of the other connecting component, namely the connecting component adjacent to the flow guide cone 28 is positioned in the direction of the flow guide cone 28, the stress direction of the connecting component, the connecting component faces the direction of the head direction of a user, the connecting component is matched with the connecting component in a preset angle, and the connecting mode is rotated in a preset angle after the connecting mode is disassembled.
In order to distinguish whether the plugging hook 32 is in a locked or pluggable state, K-shaped blocks 35 are symmetrically arranged on the plugging hook 32 outside the plugging slot 31 front and back, one end of each K-shaped block 35 is in a suspended state, and each K-shaped block 35 is provided with a function of enabling the plugging hook 32 to distinguish whether the plugging hook 32 is in a locked or detachable state under the action of external force in a preset direction.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.