CN115957495A - Swimming posture exercise device - Google Patents

Abstract

The invention relates to the technical field of swimming training and discloses a swimming posture exercise device, which comprises: support the body frame and bear the saddle, the both sides of supporting the body frame are run through and have been seted up the slide opening, the gyro wheel is installed to the bottom of supporting the body frame, the bottom of supporting the body frame is provided with leads a mechanism, the bottom of bearing the saddle is provided with prevents drowned trigger mechanism, one side of bearing the saddle is provided with prevents drowned floating mechanism, and prevents that drowned floating mechanism is located one side of preventing drowned trigger mechanism, the inner wall of supporting the body frame is provided with the air pressure conversion mechanism, the top fixedly connected with blotter of bearing the saddle. This device is tempered to swimming posture can make the device install and support the student through supporting the body frame and bearing the saddle in the swimming pool bottom, utilizes slide opening, gyro wheel and leads a mechanism and provide and lead position and fix, makes things convenient for the student to keep balance in aqueous, and the guarantee student partly floats at the surface of water and trains correct posture when keeping balance.

Description

Swimming posture exercise device

Technical Field

The invention relates to the technical field of swimming training, in particular to a swimming posture exercise device.

Background

Swimming is a skill of people floating upwards under the action of buoyancy of water and enabling bodies to move regularly in water through limbs by virtue of the buoyancy, the highest organization of swimming is the international union of swimming, which is mainly advocated by the society of swimming, belgium, danish, finland, france, germany, england, hungary and swedish in 1908.

When swimming posture is taken exercise earlier stage, the swimming student can't master correct swimming posture immediately, it is difficult to simulate aquatic environment to carry out swimming posture on the bank, the effect of training is relatively poor, and the student is relatively poor to the grasp of self equilibrium earlier stage when training in the swimming pool, hardly train correct posture when keeping balance, consequently need a swimming posture exercise device, can install and fix and support the student in the swimming pool bottom, guarantee student partly floats on the surface of water and trains correct posture when keeping balance.

Disclosure of Invention

In response to the deficiencies of the prior art, the present invention provides a swimming stroke exercise device that solves the problems noted in the background above.

The invention provides the following technical scheme: a swim stroke exercise device comprising: support the body frame and bear the saddle, the both sides of supporting the body frame are run through and have been seted up the slide opening, the gyro wheel is installed to the bottom of supporting the body frame, the bottom of supporting the body frame is provided with leads a mechanism, the bottom of bearing the saddle is provided with prevents drowned trigger mechanism, one side of bearing the saddle is provided with prevents drowned floating mechanism, and prevents that drowned floating mechanism is located one side of preventing drowned trigger mechanism, the inner wall of supporting the body frame is provided with the air pressure conversion mechanism, the top fixedly connected with blotter of bearing the saddle, the top swing joint of bearing the saddle has the bandage, and the top of bearing the saddle is provided with the buckle.

Preferably, the position guiding mechanism comprises two position guiding shafts and two fixed bottom blocks, the number of the sliding holes is two, the number of the position guiding shafts is two, the two position guiding shafts are respectively and slidably connected to the inner walls of the two sliding holes, the number of the fixed bottom blocks is two, and the two fixed bottom blocks are respectively and fixedly connected to two ends of the two position guiding shafts.

Preferably, prevent drowned trigger mechanism and include clamp plate, guide return bend, guide bent axle, reset spring, initiative hydraulic unit, lower edge frame and limit baffle, the clamp plate passes through the bearing and rotates the inner wall of connecting at the bearing saddle, and the surface of clamp plate runs through and has seted up hydrophobic waist hole, guide bent pipe fixed connection is in the bottom of bearing the saddle, guide bent axle fixed connection is in one side of clamp plate, and the outer wall of guide bent axle and the inner wall sliding connection of guide bent axle, and the centre of a circle of guide bent axle coincide with the axis of rotation of clamp plate, reset spring activity cup joints the outer wall at the guide bent axle, and one side swing joint of reset spring's one end and clamp plate, and reset spring's the other end and the lower surface swing joint of bearing the saddle, lower edge frame is connected in the bottom of bearing the saddle, initiative hydraulic unit sets up between clamp plate and lower edge frame, the limit baffle integral type sets up in one side of bearing the saddle, and limit baffle is located one side of clamp plate.

Preferably, the active hydraulic unit comprises a first pressing cylinder, a first piston shaft, a first sealing cylinder, a first piston, a first active transmission port and a second active transmission port, the first pressing cylinder is rotatably connected to one side of the pressing plate, the first piston shaft is rotatably connected to the outer wall of the lower edge frame, the first sealing cylinder is fixedly inserted into the inner wall of one end of the first pressing cylinder, a first sealing sleeve is fixedly connected to the inner wall of the first sealing cylinder, the inner wall of the first sealing sleeve is slidably connected with the outer wall of the first piston shaft, the first piston is fixedly connected to the outer wall of one end of the first piston shaft, the outer wall of the first piston is slidably connected with the inner wall of the first pressing cylinder, the first active transmission port and the second active transmission port are integrally arranged on the outer wall of the first pressing cylinder, and the first active transmission port and the second active transmission port are respectively located on two sides of the first piston.

Preferably, prevent that drowned floating mechanism includes bearing plate, gasbag and cross slot, bearing plate passes through the bearing and rotates the inner wall of connecting at the bearing saddle, and bearing plate's upper surface embedded type has seted up the mounting groove, gasbag fixed mounting is at the inner wall of mounting groove, and the shape size of gasbag all match each other, the cross slot sets up the one side of keeping away from bearing plate at the gasbag, and the quantity of cross slot is a plurality of, and a plurality of cross slot parallel distribution.

Preferably, the air pressure conversion mechanism comprises a main barrel, an air guide cylinder, an installation bottom ring, a hydraulic balance hole, a gas-liquid isolation unit, a driven hydraulic unit, an air pressure unit, an air cylinder, an isolation gas transmission main barrel, an exhaust cylinder, a first driven female transmission port and a second driven female transmission port, the main barrel is fixedly connected to the inner wall of the support main frame, the air guide cylinder is fixedly sleeved on the outer wall of the main barrel, the installation bottom ring is fixedly sleeved on the outer wall of the bottom end of the main barrel, the hydraulic balance hole penetrates through the outer wall of the installation bottom ring, the gas-liquid isolation unit is arranged in the air pressure unit, the driven hydraulic unit is arranged in the main barrel, the driven hydraulic unit is arranged between the gas-liquid isolation unit and the air pressure unit, the number of the gas-liquid isolation unit, the number of the driven hydraulic unit and the number of the air pressure unit are multiple, each gas-liquid isolation unit, each driven hydraulic unit and each air pressure unit are in one group, the multiple groups of the gas-liquid isolation unit, the driven hydraulic unit and each air pressure unit are rotationally symmetrical about the central axis of the main barrel, the multiple groups of the gas-liquid isolation unit, the main barrel and each air pressure unit are connected to the main barrel, the first fixed inner wall of the second driven hydraulic unit and the second driven female transmission port, and the second driven female transmission port are arranged in the second transmission groove, and the two transmission grooves are arranged in the first transmission groove, and the second transmission groove.

Preferably, the gas-liquid isolation unit comprises a second pressure cylinder, a second piston, a liquid discharge connecting pipe, a first gas branch pipe and a second sealing cylinder, the second pressure cylinder is fixedly connected to the inner wall of the main cylinder, the second piston is slidably connected to the inner wall of the second pressure cylinder, the liquid discharge connecting pipe and the first gas branch pipe are integrally arranged on the outer wall of the second pressure cylinder, one end of the liquid discharge connecting pipe penetrates through the outer wall of the exhaust cylinder and extends to the inside of the exhaust cylinder, one end of the first gas branch pipe penetrates through the outer wall of the main isolation gas conveying cylinder and extends to the inside of the main isolation gas conveying cylinder, the second piston is located between the first gas branch pipe and the liquid discharge connecting pipe, the second sealing cylinder is fixedly connected to the inner wall of one end of the second pressure cylinder in an inserting mode, and the inner wall of the second sealing cylinder is fixedly connected with a second anti-skid sleeve.

Preferably, the driven hydraulic unit comprises a third pressing cylinder, a third piston, a first driven sub-transmission port, a second driven sub-transmission port and a third sealing cylinder, the third pressing cylinder is fixedly connected to the inner wall of the main cylinder, the inner wall of the third pressing cylinder is fixedly connected to the outer wall of the second sealing cylinder, the third piston is slidably connected to the inner wall of the third pressing cylinder, the first driven sub-transmission port and the second driven sub-transmission port are integrally arranged on the inner wall of the third pressing cylinder, the third piston is located between the first driven sub-transmission port and the second driven sub-transmission port, one end of the first driven sub-transmission port and one end of the second driven sub-transmission port penetrate through the inner wall of the main cylinder and extend to the outer wall of the main cylinder, the first driven sub-transmission port and the second driven sub-transmission port are respectively communicated with the first driven transmission port and the second driven main transmission port through two air combining grooves, the third sealing cylinder is fixedly inserted into one end of the third pressing cylinder, and far away from the inner wall of the third sealing cylinder, and the third sealing cylinder is fixedly connected with the inner wall of the third sealing cylinder.

Preferably, the air pressure unit comprises a fourth pressing cylinder, a sealing head, a fourth piston, a second piston shaft and a second air branch pipe, the fourth pressing cylinder is fixedly connected to the inner wall of the main cylinder, the inner wall of the fourth pressing cylinder is fixedly connected with the outer wall of the third sealing cylinder, the sealing head is fixedly sleeved on the outer wall of the fourth pressing cylinder far away from one end of the third sealing cylinder, the outer wall of the sealing head is fixedly connected with the inner wall of the cylinder, the fourth piston is slidably connected to the inner wall of the fourth pressing cylinder, the second piston shaft is fixedly inserted into the inner wall of the fourth piston, the outer wall of the second piston shaft is respectively and fixedly connected with the inner wall of the second piston and the inner wall of the third piston, the fourth piston and the second piston are respectively located at two ends of the second piston shaft, the third piston is located between the fourth piston and the second piston, the outer wall of the second piston shaft is respectively and slidably connected with the inner wall of the second anti-skid sleeve and the inner wall of the third sliding sleeve, the second air branch pipe is arranged at the main pressing cylinder, and the inner wall of the second air branch pipe penetrates through the inner conveying cylinder and extends to one end of the second air conveying cylinder.

Preferably, the inner wall of gasbag is fixed to be pegged graft and is had the connector, and between connector and the inflator fixedly connected with air guide hose, first initiative transmission mouth with first hydraulic transmission hose of fixedly connected with between the first driven female transmission mouth, the second initiative transmission mouth with fixedly connected with second hydraulic transmission hose between the driven female transmission mouth of second.

Compared with the prior art, the invention has the following beneficial effects:

this device is tempered in swimming posture, support the body frame through setting up, bear the saddle, the slide opening, the gyro wheel, lead a mechanism, prevent drowned trigger mechanism, prevent drowned floating mechanism, the air pressure conversion mechanism, the air guide hose, first hydraulic transmission hose, second hydraulic transmission hose, blotter and bandage, can make the device install and support the student through supporting the body frame and bearing the saddle bottom the swimming pool, utilize the slide opening, the gyro wheel leads a mechanism and provides and leads a position and fix, make things convenient for the student to keep balance in aqueous, guarantee student partly float on the surface of water and train the exact posture when keeping balance.

This device is tempered in swimming posture, through the bearing plate, gasbag and the cross slot that set up, can provide its come-up support at student's chest position through aerifing of gasbag, make things convenient for the student to train short duration rest midway, avoid the student because physical strength overdries and drowned.

This device is tempered to swimming posture, through the clamp plate that sets up, lead a return bend, lead a bent axle, reset spring, initiative hydraulic unit, lower edge frame and limit baffle, can carry out the inside disappointing of push control gasbag through reset spring when the posture training shank straightens at the student, through limit baffle restriction clamp plate angle, avoid gasbag come-up and clamp plate to rise and block shank influence training, through the downward perpendicular gasbag inflation come-up of control to clamp plate extrusion of shank when the student has a rest.

Drawings

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

FIG. 2 is a schematic diagram of an explosive structure according to the present invention;

FIG. 3 is a bottom view of the adapter of the present invention;

FIG. 4 is a side cross-sectional view of a bearing saddle according to the present invention;

FIG. 5 is a schematic diagram of an external connection structure of the air pressure conversion mechanism according to the present invention;

FIG. 6 is a schematic side sectional view of the air pressure conversion mechanism of the present invention;

FIG. 7 is a schematic view of an explosive structure inside the gas pressure conversion mechanism of the present invention;

FIG. 8 is a schematic view of an internal explosion structure of the slave hydraulic unit according to the present invention;

fig. 9 is a schematic side sectional view of the slave hydraulic unit of the present invention.

In the figure: 1. supporting the main frame; 2. a bearing saddle; 3. a slide hole; 4. a roller; 501. a guide shaft; 502. fixing the bottom block; 601. pressing a plate; 602. guiding a bent pipe; 603. guiding a bent shaft; 604. a return spring; 605. an active hydraulic unit; 6051. a first pressing cylinder; 6052. a first piston shaft; 6053. a first sealing cylinder; 6054. a first piston; 6055. a first active transfer port; 6056. a second active transfer port; 606. a lower edge frame; 607. a limit baffle; 701. a load bearing plate; 702. an air bag; 703. a transverse groove; 801. a main barrel; 802. an air guide cylinder; 803. mounting a bottom ring; 804. a hydraulic balance hole; 805. a gas-liquid isolation unit; 8051. a second pressing cylinder; 8052. a second piston; 8053. a liquid discharge connecting pipe; 8054. a first gas bypass pipe; 8055. a second sealing cylinder; 806. a driven hydraulic unit; 8061. a third pressing cylinder; 8062. a third piston; 8063. a first driven sub-transmission port; 8064. a second driven sub-transmission port; 8065. a third sealing cylinder; 807. an air pressure unit; 8071. a fourth pressing cylinder; 8072. a sealing head; 8073. a fourth piston; 8074. a second piston shaft; 8075. a second gas bypass pipe; 808. and an air cylinder; 809. isolating the gas delivery trunk; 810. an exhaust funnel; 811. a first driven female transmission port; 812. a second driven female transmission port; 9. an air guide hose; 10. a first hydraulic transfer hose; 11. a second hydraulic transfer hose; 12. a cushion pad; 13. and (4) binding the bands.

Detailed description of the preferred embodiments

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 9, a swimming stroke exercise device includes: support body frame 1 and bear saddle 2, the both sides that support body frame 1 are run through and have been seted up slide opening 3, support the bottom of body frame 1 and install gyro wheel 4, the bottom of supporting body frame 1 is provided with leads a mechanism, the bottom of bearing saddle 2 is provided with prevents drowned trigger mechanism, one side of bearing saddle 2 is provided with prevents drowned floating mechanism, and prevent that drowned floating mechanism is located one side of preventing drowned trigger mechanism, the inner wall of supporting body frame 1 is provided with the air pressure conversion mechanism, the top fixedly connected with blotter 12 of bearing saddle 2, the top swing joint who bears saddle 2 has bandage 13, and the top of bearing saddle 2 is provided with the buckle, support body frame 1 through setting up, bear saddle 2, slide opening 3, gyro wheel 4, lead a mechanism, prevent drowned trigger mechanism, prevent drowned floating mechanism, the air pressure conversion mechanism, air guide hose 9, first hydraulic transmission hose 10, second hydraulic transmission hose 11, blotter 12 and bandage 13, can make the device install and support the student through supporting body frame 1 and bearing saddle 2 in the bottom, utilize slide opening 3, gyro wheel 4 and lead position and lead student's balance mechanism, it keeps the correct posture to make things convenient in the training of swimming pool, the balance in the aquatic.

Wherein; lead a mechanism including leading a axle 501 and fixed bottom block 502, the quantity of slide opening 3 is two, the quantity of leading a axle 501 is two, and two lead an axle 501 sliding connection respectively at the inner wall of two slide openings 3, the quantity of fixed bottom block 502 is two, and two fixed bottom block 502 fixed connection respectively are at two both ends of leading a axle 501, so that can drive the device and remove along leading a axle 501 when guarantee student's posture is taken exercise, so that can keep stable under the prerequisite of guarantee swimming environment.

Wherein; the drowning-proof trigger mechanism comprises a pressure plate 601, a guide bent pipe 602, a guide bent shaft 603, a return spring 604, an active hydraulic unit 605, a lower edge frame 606 and a limit baffle 607, wherein the pressure plate 601 is rotatably connected to the inner wall of the bearing saddle 2 through a bearing, a drain waist hole is arranged on the surface of the pressure plate 601 in a penetrating way, the guide bent pipe 602 is fixedly connected to the bottom of the bearing saddle 2, the guide bent shaft 603 is fixedly connected to one side of the pressure plate 601, the outer wall of the guide bent shaft 603 is slidably connected with the inner wall of the guide bent pipe 602, the circle center of the guide bent shaft 603 and the circle center of the guide bent pipe 602 are coincided with the rotating axis center of the pressure plate 601, the return spring 604 is movably sleeved on the outer wall of the guide bent pipe 602, one end of the return spring 604 is movably connected with one side of the pressure plate 601, and the other end of the return spring 604 is movably connected with the lower surface of the bearing saddle 2, lower edge frame 606 integral type is connected in the bottom of bearing saddle 2, initiative hydraulic unit 605 sets up between clamp plate 601 and lower edge frame 606, limit baffle 607 integral type sets up the one side at bearing saddle 2, and limit baffle 607 is located one side of clamp plate 601, through the clamp plate 601 that sets up, lead position return bend 602, lead position bent axle 603, reset spring 604, initiative hydraulic unit 605, lower edge frame 606 and limit baffle 607, can carry out the inside disappointing of push control gasbag 702 through reset spring 604 when the student straightens in posture training shank, restrict the clamp plate 601 angle through limit baffle 607, avoid gasbag 702 come-up and clamp plate 601 to rise and block the shank influence training, through the downward vertical upwards inflation come-up of clamp plate 601 extrusion control gasbag 702 of shank when the student has a rest.

Wherein; the active hydraulic unit 605 includes a first pressure cylinder 6051, a first piston shaft 6052, a first sealing cylinder 6053, a first piston 6054, a first active transmission port 6055 and a second active transmission port 6056, the first pressure cylinder 6051 is rotatably connected to one side of the pressure plate 601, the first piston shaft 6052 is rotatably connected to the outer wall of the lower edge frame 606, the first sealing cylinder 6053 is fixedly inserted into the inner wall of one end of the first pressure cylinder 6051, and the inner wall of the first sealing cylinder 6053 is fixedly connected with the first sealing cylinder, and the inner wall of the first sealing cylinder is slidably connected to the outer wall of the first piston shaft 6052, the first piston 6054 is fixedly connected to the outer wall of one end of the first piston shaft 6052, and the outer wall of the first piston 6054 is slidably connected to the inner wall of the first pressure cylinder 6051, the first active transmission port 6055 and the second active transmission port 6056 are integrally arranged on the outer wall of the first pressure cylinder 6051, and the first active transmission port 55 and the second 6056 are respectively located on the two sides of the first pressure cylinder 6054, thereby facilitating the movement of the piston shaft 6054.

Wherein; prevent drowned floating mechanism includes bearing plate 701, gasbag 702 and cross slot 703, bearing plate 701 rotates the inner wall of connecting at bearing saddle 2 through the bearing, and bearing plate 701's upper surface embedded has seted up the mounting groove, gasbag 702 fixed mounting is at the inner wall of mounting groove, and the shape size of gasbag 702 all matches each other with the shape size of gasbag 702, cross slot 703 sets up the one side of keeping away from bearing plate 701 at gasbag 702, and the quantity of cross slot 703 is a plurality of, and a plurality of cross slot 703 parallel distribution, bearing plate 701 through setting up, gasbag 702 and cross slot 703, can provide buoyancy at student's chest position through aerifing of gasbag 702 and provide its come-up support, make things convenient for student's training short rest midway, avoid the student because physical strength crosses drowned.

Wherein; the air pressure conversion mechanism comprises a main cylinder 801, an air guide cylinder 802, an installation bottom ring 803, a hydraulic balance hole 804, an air-liquid isolation unit 805, a driven hydraulic unit 806, an air pressure unit 807, a gas merging cylinder 808, an isolated air conveying main cylinder 809, an exhaust cylinder 810, a first driven female transmission port 811 and a second driven female transmission port 812, wherein the main cylinder 801 is fixedly connected with the inner wall of the support main frame 1, the air guide cylinder 802 is fixedly sleeved on the outer wall of the main cylinder 801, the installation bottom ring 803 is fixedly sleeved on the outer wall of the bottom end of the main cylinder 801, the hydraulic balance hole 804 penetrates through the outer wall of the installation bottom ring 803, the air-liquid isolation unit 805, the driven hydraulic unit 806 and the air pressure unit are all arranged inside the main cylinder 807, the driven hydraulic unit 806 is positioned between the air-liquid isolation unit 805 and the air pressure unit 807, the number of the air-liquid isolation units 805, the number of the driven hydraulic units 806 and the number of the air pressure units 807 are all multiple, each gas-liquid isolation unit 805, each driven hydraulic unit 806 and each air pressure unit 807 are in a group, a plurality of groups of gas-liquid isolation units 805, driven hydraulic units 806 and air pressure units 807 are rotationally symmetric with the central axis of the main cylinder 801 as a symmetric center, an air cylinder 808 is arranged at one end of the air pressure unit 807, an isolated gas conveying main cylinder 809 and an air exhaust cylinder 810 are fixedly connected to the inner wall of the supporting main frame 1, a first driven female transmission port 811 and a second driven female transmission port 812 are uniformly and integrally arranged on the outer wall of the air guide cylinder 802, air merging grooves are arranged in the air guide cylinder 802, the number of the air merging grooves is two, and the first driven female transmission port 811 and the second driven female transmission port 812 are respectively communicated with the two air merging grooves, so that received hydraulic transmission is converted into mechanical motion and air pressure motion is formed to push the gas to expand and contract.

Wherein; the gas-liquid isolating unit 805 comprises a second pressure cylinder 8051, a second piston 8052, a liquid drainage connecting pipe 8053, a first gas branch pipe 8054 and a second sealing cylinder 8055, the second pressure cylinder 8051 is fixedly connected to the inner wall of the main cylinder 801, the second piston 8052 is slidably connected to the inner wall of the second pressure cylinder 8051, the liquid drainage connecting pipe 8053 and the first gas branch pipe 8054 are integrally arranged on the outer wall of the second pressure cylinder 8051, one end of the liquid drainage connecting pipe 8053 penetrates through the outer wall of the exhaust cylinder 810 and extends to the inside of the exhaust cylinder 810, one end of the first gas branch pipe 8054 penetrates through the outer wall of the isolation gas conveying main cylinder 809 and extends to the inside of the isolation gas conveying main cylinder 809, the second piston 8052 is located between the first gas branch pipe 8054 and the liquid drainage connecting pipe 8053, the second sealing cylinder 8055 is fixedly inserted into the inner wall of one end of the second pressure cylinder 8051, and the inner wall of the second sealing cylinder 8055 is fixedly connected with a second anti-skid-proof hydraulic oil jacket so as to facilitate expanding the hydraulic oil, pushing the air of the airbag 702 and form the swimming pool water outside of the isolation pool.

Wherein; the driven hydraulic unit 806 includes a third pressure cylinder 8061, a third piston 8062, a first driven sub-transmission port 8063, a second driven sub-transmission port 8064 and a third sealed cylinder 8065, the third pressure cylinder 8061 is fixedly connected to an inner wall of the main cylinder 801, an inner wall of the third pressure cylinder 8061 is fixedly connected to an outer wall of the second sealed cylinder 8055, the third piston 8062 is slidably connected to an inner wall of the third pressure cylinder 8061, the first driven sub-transmission port 8063 and the second driven sub-transmission port 8064 are uniformly and integrally disposed on an inner wall of the third pressure cylinder 8061, the third piston 8062 is located between the first driven sub-transmission port 8063 and the second driven sub-transmission port 8064, an end of the first driven sub-transmission port 8063 and an end of the second driven sub-transmission port 8064 both penetrate through the inner wall of the main cylinder 80801 and extend to an outer wall of the main cylinder, the first driven sub-transmission port 8063 and the second driven sub-transmission port 8064 both penetrate through an inner wall of the main cylinder 80801 and extend to the main cylinder 80801, and the first driven sub-transmission port 8063 and the second driven sub-transmission port 8064 are respectively connected to a third sealed cylinder 8065, and a third driven hydraulic cylinder 8065 is fixedly connected to move in a third sealed cylinder 80811, and a third sealed cylinder 8065.

Wherein; the air pressure unit 807 comprises a fourth pressing cylinder 8071, a sealing head 8072, a fourth piston 8073, a second piston shaft 8074 and a second air branch pipe 8075, the fourth pressing cylinder 8071 is fixedly connected to the inner wall of the main cylinder 801, the inner wall of the fourth pressing cylinder 8071 is fixedly connected to the outer wall of the third sealing cylinder 8065, the sealing head 8072 is fixedly sleeved on the outer wall of one end, away from the third sealing cylinder 8065, of the fourth pressing cylinder 8071, the outer wall of the sealing head 8072 is fixedly connected to the inner wall of the cylinder 808, the fourth piston 8073 is slidably connected to the inner wall of the fourth pressing cylinder 8071, the second piston shaft 8074 is fixedly inserted into the inner wall of the fourth piston 8073, the outer wall of the second piston shaft 8074 is fixedly connected to the inner wall of the second piston 8052 and the inner wall of the third piston 8062, the fourth piston 8073 and the second piston 8052 are respectively located at two ends of the second piston shaft 8074, the third piston 8073 and the second piston 8052 are located between the main cylinder 8073 and the second piston 8052, the inner wall of the second piston shaft 8073 and the second piston 8073 and the inner wall of the second piston shaft 8075 are connected to the air branch pipe 806, the air branch pipe 8075 is connected to control the air bag, and the air branch pipe 8075, and the air branch pipe 806, the air bag.

Wherein; the inner wall of the air bag 702 is fixedly inserted with a connector, an air guide hose 9 is fixedly connected between the connector and the air cylinder 808, a first hydraulic transmission hose 10 is fixedly connected between the first driving transmission port 6055 and the first driven female transmission port 811, and a second hydraulic transmission hose 11 is fixedly connected between the second driving transmission port 6056 and the second driven female transmission port 812, so that the transmission of gas and hydraulic transmission liquid is realized.

The working principle is that the device is fixedly arranged at the bottom of the swimming pool by a bolt through a fixed bottom block 502, then, when in use, the height of the water surface of the swimming pool is set to be slightly higher than that of a bearing saddle 2, a student bends down and bends over and lies on the upper side of the bearing saddle 2, so that the waist is attached to the bearing saddle 2, the waist of the student is fixed on the surface of the bearing saddle 2 by a binding belt 13, so that the student can float on the water surface in a semi-floating way without falling down, when the waist is fixed, the student can step feet on the surface of a supporting main frame 1, the thigh of the student squeezes a pressure plate 601 to rotate and press down, when the pressure plate 601 presses down, the second pressure cylinder 8051 is pushed, so that contraction is formed between the second pressure cylinder 8051 and a first piston shaft 6052, so that a first piston 6054 squeezes transmission liquid, and enters a second driven son transmission port 8064 through the transmission of a second hydraulic transmission hose 11 and a gas guide cylinder 802, so as to squeeze a third piston 8062 to slide up inside a third pressure cylinder 8061, the third piston 8062 drives the second piston 8052 and the fourth piston 8073 to synchronously slide upwards through the second piston shaft 8074, when the second piston 8052 slides upwards, the air above the second piston 8052 is extruded to enter the isolation gas conveying trunk cylinder 809 and then enters the lower part of the fourth piston 8073 from the isolation gas conveying trunk cylinder 809 to fill the air below the fourth piston 8073, when the fourth piston 8073 ascends, the air above the fourth piston is extruded, so that the air enters the air-merging cylinder 808 through the sealing head 8072, then enters the air bag 702 through the air guide hose 9, the volume of the air bag 702 is expanded, the air bag 702 generates buoyancy after being expanded, the bearing supporting plate 701 and the air bag 702 float upwards, and the thoracic cavity of the trainee is lifted, the nose and mouth of the trainee are prevented from immersing in water at the moment, so that the trainee can conveniently take a temporary rest, when the trainee takes exercise, the thigh is free from extruding the pressing plate 601, the reset spring 604 extends to push the pressing plate 601 to reset, and the limiting baffle 607 blocks the pressing plate 601 to limit, the leg movement of the student is prevented from being influenced by the tilting of the pressure plate 601, the pressure plate 601 is pushed to reset, the second pressing cylinder 8051 is pulled to enable the second pressing cylinder 8051 and the first piston shaft 6052 to form extension between the second pressing cylinder 8051 and the first piston shaft 6052, the first piston 6054 reversely extrudes transmission liquid and enters the first driven son transmission port 8063 through the transmission of the first hydraulic transmission hose 10 and the gas guide cylinder 802, so that the third piston 8062 is extruded to slide downwards in the third pressing cylinder 8061, the third piston 8062 drives the second piston 8052 and the fourth piston 8073 to synchronously slide downwards through the second piston shaft 8074, the fourth piston 8073 extrudes air below the fourth piston 8073 to enter the isolation gas conveying trunk 809 and then enter the second piston 8052 from the isolation gas conveying cylinder 809 to fill the air above the fourth piston 8052 when sliding downwards, the air drop above the fourth piston 8073 is increased when descending, the pressure is reduced to form negative pressure, so that the air in the air bag 702 enters the gas cylinder 808 from the sealing head 8072 and returns to the interior of the fourth pressing cylinder 8071, so that the air bag 702 is contracted, the buoyancy of the air bag 702 is reduced, and the buoyancy of the lifting posture of the student is prevented from being supported by the buoyancy of the floating plate 701, and the floating support plate 701, so that the student rotates under the floating posture of the floating weight of the floating support plate 701, and the hanging posture of the student.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A swimming stroke exercise device, comprising: support body frame (1) and bear saddle (2), the both sides of supporting body frame (1) are run through and have been seted up slide opening (3), support the bottom of body frame (1) and install gyro wheel (4), the bottom of supporting body frame (1) is provided with leads a mechanism, the bottom of bearing saddle (2) is provided with prevents drowned trigger mechanism, one side of bearing saddle (2) is provided with prevents drowned floating mechanism, and prevents that drowned floating mechanism is located one side of preventing drowned trigger mechanism, the inner wall of supporting body frame (1) is provided with the atmospheric pressure shifter, the top fixedly connected with blotter (12) of bearing saddle (2), the top swing joint that bears saddle (2) has bandage (13), and the top of bearing saddle (2) is provided with the buckle.

2. A swimming stroke exercise device according to claim 1, wherein the guiding mechanism comprises two guiding shafts (501) and two fixed bottom blocks (502), the number of the sliding holes (3) is two, the number of the guiding shafts (501) is two, the two guiding shafts (501) are respectively slidably connected to the inner walls of the two sliding holes (3), the number of the fixed bottom blocks (502) is two, and the two fixed bottom blocks (502) are respectively fixedly connected to the two ends of the two guiding shafts (501).

3. The swimming posture exercise device according to claim 1, wherein the drowning-proof trigger mechanism comprises a pressing plate (601), a guiding bent pipe (602), a guiding bent shaft (603), a reset spring (604), an active hydraulic unit (605), a lower edge frame (606) and a limit baffle (607), the pressing plate (601) is rotatably connected to the inner wall of the bearing saddle (2) through a bearing, the surface of the pressing plate (601) is penetrated and provided with a drainage waist hole, the guiding bent pipe (602) is fixedly connected to the bottom of the bearing saddle (2), the guiding bent shaft (603) is fixedly connected to one side of the pressing plate (601), the outer wall of the guiding bent shaft (603) is slidably connected to the inner wall of the guiding bent pipe (602), the circle center of the guiding bent shaft (603) and the circle center of the guiding bent pipe (602) coincide with the rotating axis center of the pressing plate (601), the reset spring (604) is movably sleeved on the outer wall of the guiding bent pipe (602), one end of the reset spring (604) is movably connected to one side of the pressing plate (601), the other end of the reset spring (604) is movably connected to the lower edge frame (606) of the integral bearing saddle (606) and the integrated bearing saddle (607) is arranged between the lower surface of the bearing saddle (601), and the limit baffle (607) is positioned at one side of the pressure plate (601).

4. A swimming stroke exercise device according to claim 3, wherein the active hydraulic unit (605) comprises a first pressure cylinder (6051), a first piston shaft (6052), a first seal cylinder (6053), a first piston (6054), a first active transmission port (6055) and a second active transmission port (6056), the first pressure cylinder (6051) is rotatably connected to one side of the pressure plate (601), the first piston shaft (6052) is rotatably connected to the outer wall of the lower edge frame (606), the first seal cylinder (6053) is fixedly connected to the inner wall of one end of the first pressure cylinder (6051), the inner wall of the first seal cylinder (6053) is fixedly connected to a first seal, the inner wall of the first piston shaft (6052) is slidably connected to the outer wall of the first piston shaft (6052), the first piston (6054) is fixedly connected to the outer wall of one end of the first piston shaft (6052), the outer wall of the first piston (54) and the inner wall of the first pressure cylinder (6051) are uniformly connected to the outer wall of the first seal cylinder (6056), and the active transmission port (6055) and the second active transmission port (6056) and the first seal cylinder (6051) and the second active transmission port (6056) are respectively arranged on both sides of the first pressure cylinder (6051).

5. A swimming posture exercise device according to claim 1, wherein the drowning prevention floating mechanism comprises a bearing support plate (701), an air bag (702) and a transverse groove (703), the bearing support plate (701) is rotatably connected to the inner wall of the bearing saddle (2) through a bearing, an installation groove is formed in the upper surface of the bearing support plate (701) in an embedded mode, the air bag (702) is fixedly installed on the inner wall of the installation groove, the shape and size of the air bag (702) are matched with those of the air bag (702), the transverse groove (703) is arranged on one side of the air bag (702) far away from the bearing support plate (701), and the number of the transverse grooves (703) is multiple, and the plurality of transverse grooves (703) are distributed in parallel.

6. A swimming stroke exercise device according to claim 1, wherein the pneumatic pressure conversion mechanism comprises a main cylinder (801), a gas cylinder (802), a mounting base ring (803), a hydraulic pressure balance hole (804), a pneumatic-hydraulic isolation unit (805), a driven hydraulic unit (806), a pneumatic pressure unit (807), a parallel gas cylinder (808), an isolation gas transmission main cylinder (809), a gas exhaust cylinder (810), a first driven female transmission port (811) and a second driven female transmission port (812), the main cylinder (801) is fixedly connected to the inner wall of the support main frame (1), the gas cylinder (802) is fixedly connected to the outer wall of the main cylinder (801), the mounting base ring (803) is fixedly connected to the outer wall of the bottom end of the main cylinder (801), the hydraulic pressure balance hole (804) is opened to the outer wall of the mounting base ring (803), the pneumatic-hydraulic isolation unit (805), the driven hydraulic unit (806) and the pneumatic-hydraulic isolation unit (807) are all provided inside the main cylinder (801), the driven hydraulic unit (806) is located between the pneumatic-hydraulic isolation unit (805) and the pneumatic-hydraulic isolation unit (807), and the pneumatic-hydraulic isolation unit (806) is provided in a plurality of each set, the pneumatic-hydraulic isolation unit (806) and the driven hydraulic isolation unit (806), and the central axis of the main cylinder (801) is used as the symmetry center for rotational symmetry by the multi-group gas-liquid isolation unit (805), the driven hydraulic unit (806) and the pneumatic unit (807), the gas merging cylinder (808) is arranged at one end of the pneumatic unit (807), the isolated gas conveying main cylinder (809) and the exhaust cylinder (810) are fixedly connected on the inner wall of the supporting main frame (1), the first driven mother transmission port (811) and the second driven mother transmission port (812) are uniformly arranged on the outer wall of the gas guide cylinder (802), gas merging grooves are arranged in the gas guide cylinder (802), the number of the gas merging grooves is two, and the first driven mother transmission port (811) and the second driven mother transmission port (812) are respectively communicated with the two gas merging grooves.

7. The swimming posture exercise device according to claim 6, wherein the gas-liquid isolation unit (805) comprises a second pressing cylinder (8051), a second piston (8052), a drainage connecting pipe (8053), a first gas branch pipe (8054) and a second sealing cylinder (8055), the second pressing cylinder (8051) is fixedly connected to the inner wall of the main cylinder (801), the second piston (8052) is slidably connected to the inner wall of the second pressing cylinder (8051), the drainage connecting pipe (8053) and the first gas branch pipe (8054) are integrally arranged on the outer wall of the second pressing cylinder (8051), one end of the drainage connecting pipe (8053) penetrates through the outer wall of the exhaust cylinder (810) and extends into the interior of the exhaust cylinder (810), one end of the first gas branch pipe (8054) penetrates through the outer wall of the main isolation gas delivery cylinder (809) and extends into the interior of the isolation gas delivery cylinder (809), the second piston (8052) is located between the first gas branch pipe (8054) and the inner wall of the second sealing cylinder (8055), and the second sealing cylinder (8055) is fixedly connected to the inner wall of the second sealing cylinder (8051).

8. A swimming posture exercise device according to claim 7, wherein the driven hydraulic unit (806) comprises a third pressure cylinder (8061), a third piston (8062), a first driven sub-transmission port (8063), a second driven sub-transmission port (8064) and a third closed cylinder (8065), the third pressure cylinder (8061) is fixedly connected to the inner wall of the main cylinder (801), the inner wall of the third pressure cylinder (8061) is fixedly connected with the outer wall of the second closed cylinder (8055), the third piston (8062) is slidably connected to the inner wall of the third pressure cylinder (8061), the first driven sub-transmission port (8063) and the second driven sub-transmission port (8064) are integrally arranged on the inner wall of the third pressure cylinder (8061), the third piston (8062) is positioned between the first driven sub-transmission port (8063) and the second driven sub-transmission port (8064), and the first piston (8063) is positioned at an end of the first driven sub-transmission port (8063) and the second driven sub-transmission port (8064) and extends through the outer wall of the first driven sub-transmission port (8063) and the second driven sub-transmission port (8055) and extends from the outer wall of the second driven sub-transmission port (8063) to the second driven transmission port (801), and the inner wall of the third sealing barrel (8065) is fixedly connected with a third sliding sleeve.

9. A swimming stroke exercise device according to claim 8, wherein the pneumatic unit (807) comprises a fourth cylinder (8071), a sealing head (8072), a fourth piston (8073), a second piston shaft (8074) and a second air branch pipe (8075), the fourth cylinder (8071) is fixedly connected to the inner wall of the main cylinder (801), the inner wall of the fourth cylinder (8071) is fixedly connected to the outer wall of the third cylinder (8065), the sealing head (8072) is fixedly sleeved on the outer wall of the fourth cylinder (8071) at the end far from the third cylinder (8065), the outer wall of the sealing head (8072) is fixedly connected to the inner wall of the cylinder (808), the fourth piston (8073) is slidably connected to the inner wall of the fourth cylinder (8071), the second piston shaft (8074) is fixedly inserted into the inner wall of the fourth piston (8073), the outer wall of the second piston shaft (8074) is fixedly connected to the inner wall of the second cylinder (8052), the second piston shaft (8074) is fixedly connected to the inner wall of the second piston shaft (8062), the second piston shaft (8073) is fixedly connected to the inner wall of the second cylinder (8052), and the second piston shaft (8073) is fixedly connected to the second piston (8052), and the second piston shaft (8073) is fixedly connected to the inner wall of the anti-sliding sleeve (8052) and the second piston (8052) is respectively, the second piston shaft (8073) is located between the inner wall of the fourth cylinder (8073) and the second piston (8073), the second piston (8073) is fixedly connected to the second piston (8052), and the anti-sliding sleeve (8073) is located at both ends of the second piston (8052) are located at the second piston (8052), and the second piston (8073) are located at both ends of the second piston (8052) are respectively And one end of the second gas branch pipe (8075) penetrates through the outer wall of the isolated gas delivery trunk cylinder (809) and extends to the inside of the isolated gas delivery trunk cylinder (809).

10. A swimming stroke exercise device according to claims 4, 5 and 9, wherein the inner wall of the air bag (702) is fixedly inserted with a connector, an air guide hose (9) is fixedly connected between the connector and the air merging cylinder (808), a first hydraulic transmission hose (10) is fixedly connected between the first driving transmission port (6055) and the first driven female transmission port (811), and a second hydraulic transmission hose (11) is fixedly connected between the second driving transmission port (6056) and the second driven female transmission port (812).

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