CN114670992A - Multifunctional power life buoy - Google Patents

Abstract

The invention discloses a multifunctional power life buoy, and relates to the technical field of life saving devices. According to the invention, through the matching between the vacuum buoyancy blocks, the matching ports, the connecting rods, the fan blades, the air inlet and outlet and the inflatable bag, two groups of vacuum buoyancy blocks in contact with the water surface can be tightly clamped with the matching ports under the action of buoyancy under the condition of internal vacuum, two groups of vacuum buoyancy blocks not in contact with the water surface are separated from the corresponding matching ports under the action of upward pushing of the connecting rods by the buoyancy, the fan blades are driven to rotate at the output ends of the other ends of the two groups of double-shaft motors, so that the external air is sucked from the two groups of matching ports in contact with the water surface and is sent into the inflatable bag through the air inlet and outlet holes, the inflatable bag is inflated and expanded, the buoyancy of the power life buoy is effectively increased, the bearing weight can be greatly increased when people face water falling, and the practicability of the product is improved.

Description

Multifunctional power life buoy

Technical Field

The invention relates to the technical field of life saving devices, in particular to a multifunctional power life buoy.

Background

The life buoy is life saving equipment on water, usually make by foamed plastic or other light materials that proportion is less, the shape of life buoy is mostly cyclic annular, middle opening, the user passes middle opening and takes both hands on cyclic annular life buoy with the upper part of the body, just can float on the surface of water under the state of relaxing with the buoyancy of life buoy, when someone unexpected fall into water or when marine rescue, the rescuer need drive near to the person that falls into water or marine wreck scene, then spill the life buoy to the person that falls into water beside, the person that falls into water grabs and just can continue to wait for the rescue comparatively safely after catching the life buoy, the rescuer also has more abundant time and implements the rescue more safely.

Most of the existing life buoys are traditional unpowered life buoys, rescue workers need to manually throw the life buoys to the side of the people falling into water when rescuing the people falling into water, on one hand, the rescue workers need to catch up to the site falling into water, but if the site environment is not favorable for navigation of a rescue boat, the rescue work is greatly influenced, even the rescue cannot be smoothly implemented, and if the rescue workers need to be rescued simultaneously, the life buoys need to be repeatedly moved to the positions of the people falling into water, and then the life buoys are thrown respectively, so that the rescue speed is slow; on the other hand, the life buoy is generally relatively thick and heavy, the life buoy is relatively light in weight and is easily influenced by wind power or air resistance, the accuracy of throwing the life buoy is extremely difficult to control, most of people falling into the water cannot swim, some people falling into the water who can swim consume a large amount of physical force in the process of waiting for rescue, if rescuers cannot smoothly throw the life buoy to the side of the people falling into the water, the people falling into the water cannot grab the life buoy, even if the rescuers have redundant life buoys to throw again, rescue work cannot be greatly delayed, in the prior art, a small number of life buoys with propelling devices are provided, the life buoys can reach the position of the people falling into the water to be rescued by remotely controlling the life buoys, most of the life buoys are complex in structure, and in order to enable the life buoys to propel the life buoys to move on the water surface, the shape of the life buoys basically takes the shape of a streamline inverted U shape, the middle of the life buoy with the propelling device is an open opening, so that in the process of rescuing a person falling into water, the person falling into water can fall again from the opening of the life buoy due to physical strength, and secondary injury of the person falling into water is caused.

Disclosure of Invention

Based on the above, the invention aims to provide a multifunctional power life buoy, so as to solve the technical problems that a person falling into water is likely to fall from an opening of the existing inverted U-shaped power life buoy due to the excessive physical strength of the person, so that the person falling into water is damaged secondarily, and the buoyancy of the existing life buoy with a propelling device is poor due to the structural particularity of the life buoy.

In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional power life buoy comprises a life buoy body, wherein two ends of one side of the life buoy body are respectively provided with a protective cover, two ends of one side inside the protective cover are respectively provided with a double-shaft motor, two groups of output ends of one side of the double-shaft motor are respectively fixed with a rotating shaft extending into the protective cover, two groups of surfaces of the rotating shafts are respectively provided with a worm, two groups of inner sides of the protective cover are respectively movably connected with a plurality of groups of pushing plates extending into the protective cover, one ends of the pushing plates, which are positioned inside the protective cover, are respectively connected with a screw rod in a meshed manner, two groups of protective covers are respectively fixed with a matching plate, fixed blocks are respectively fixed above and below one ends of the matching plates, the fixed blocks are respectively connected with the screw rods in a meshed manner, torsion springs are respectively connected between the pushing plates and the fixed blocks, and gears are respectively rotatably connected at the bottoms of the screws, the interior of the two groups of protective covers is slidably connected with arc-shaped rack baffles extending to the outer side, the two groups of arc-shaped rack baffles are meshed with a plurality of groups of gears, a supporting partition plate is fixed on one side of the two groups of double-shaft motors in the lifebuoy body, the two groups of arc-shaped rack baffles extend into the lifebuoy body, reset springs are arranged at two ends of one side of the lifebuoy body, the reset springs are connected with the supporting partition plate, fan blades are arranged at the output ends of the two groups of double-shaft motors far away from the rotating shaft, the two groups of fan blades are rotatably connected with the supporting partition plate, second sealing partition plates are fixed at two ends of the lifebuoy body, a supporting sleeve ring is connected between the two groups of second sealing partition plates and the supporting partition plate, connecting rods are sleeved in the two groups of supporting sleeve rings, and vacuum buoyancy blocks extending to the outer side of the lifebuoy body are arranged at the tops and the bottoms of the two groups of connecting rods, and the multiple groups of vacuum buoyancy blocks are movably connected with the life buoy main body, the periphery of the life buoy main body is provided with the inflatable bags, the two ends of the outer side of the life buoy main body are positioned between the supporting partition plate and the second sealing partition plate and are uniformly distributed with multiple groups of air inlet and outlet holes, and the inflatable bags are communicated with the multiple groups of air inlet and outlet holes.

By adopting the technical scheme, the gear can drive the arc-shaped rack baffle plate which is meshed and connected with the gear to extend out of the protective cover under the limiting action of the arc-shaped limiting sliding plate, and under the arc-shaped design of the two groups of arc-shaped rack baffle plates, thereby sealing the power life buoy, effectively resisting and protecting the person falling into the water, improving the fault-tolerant rate by arranging a plurality of groups of push plates and gears, the pushing plate can be reset under the action of the torsion spring, so that the gear is reset and is separated from the meshing of the worm, under the elastic reset of a plurality of groups of reset springs, the two groups of arc-shaped rack baffles are pulled back to improve the practicability of the power life buoy, and by arranging the vacuum buoyancy block, the output ends of the two groups of double-shaft motors drive the fan blades to rotate, so that outside air can be sucked in and is sent into the inflatable bag through the air inlet and outlet holes, the inflatable bag is inflated and expanded, and the buoyancy of the power life buoy is effectively improved.

The invention is further arranged in that a sealing cavity is arranged in the lifebuoy main body, batteries and signal receivers are arranged in the lifebuoy main body and positioned on one side of the two groups of second sealing partition plates, the two groups of batteries and signal receivers are matched with the double-shaft motor, a plurality of groups of matching ports extending into the lifebuoy main body are arranged on the surface of the lifebuoy main body, and the matching ports are movably connected with the vacuum buoyancy block.

By adopting the technical scheme, the sealing cavity can ensure that the life buoy has certain buoyancy, the two groups of vacuum buoyancy blocks which are in contact with the water surface can be tightly clamped with the matching port under the action of the buoyancy under the condition of the vacuum inside the life buoy, the two groups of vacuum buoyancy blocks which are not in contact with the water surface are separated from the corresponding matching port under the action that the connecting rod is upwards pushed by the buoyancy, and the outside air is sucked from the two groups of matching ports which are not in contact with the water surface.

The invention is further arranged in such a way that arc-shaped limiting sliding plates are fixed at the top and the bottom of the two groups of arc-shaped rack baffles, the two groups of arc-shaped rack baffles are in limiting sliding connection with the protective cover through the arc-shaped limiting sliding plates, light plates are arranged on one sides of the two groups of arc-shaped rack baffles close to the supporting partition plate, and a first sealing partition plate is arranged between the double-shaft motor and the arc-shaped rack baffles in the lifebuoy main body.

Through adopting above-mentioned technical scheme, the arc rack baffle stretches out to the safety cover outside under the limiting displacement of the spacing slide of arc, and the worn-out fur at arc rack baffle top can effectively carry on spacingly to it, prevents that gear and arc rack baffle card from dying, and first sealed partition plate can prevent that water from invading and causing the damage to the biax motor.

The invention is further provided with two groups of matching grooves on the surfaces of the matching plates, two groups of worms are matched with a plurality of groups of gears through the matching grooves, a plurality of groups of limiting grooves are arranged on the inner sides of the two groups of protective covers, and a plurality of groups of pushing plates are connected with the protective covers in a limiting sliding mode through the limiting grooves.

Through adopting above-mentioned technical scheme, multiunit gear can pass the cooperation groove and be connected with the worm meshing, and the spacing groove can carry out spacing removal to the bulldozing board.

The invention is further arranged in such a way that one end of the surface of each of the two groups of the protection covers is provided with a water inlet, and one side of each of the two groups of the protection covers, which is far away from the double-shaft motor, is provided with a water outlet.

By adopting the technical scheme, the lifebuoy can still absorb water through the water inlet no matter how jolt and turn over on the water surface under the design of the water inlet, and the water sucked into the protective cover is pushed out from the water outlet under the action of the two groups of propellers, so that the power lifebuoy is driven to be pushed forwards.

The invention is further provided with propellers arranged on one side of the two groups of rotating shafts, which is positioned at the water outlet, water outlet guide vanes are arranged on the inner sides of the two groups of water outlets, and the water outlet guide vanes are rotatably connected with the propellers.

By adopting the technical scheme, the water outlet guide vane effectively reduces the circumferential motion of the propeller wake flow and recovers the energy in the rotating wake flow, and the thrust and the efficiency of the propeller are improved.

The invention is further provided that the top and the bottom of the surface of the lifebuoy body are provided with a plurality of groups of handles, and the surfaces of the plurality of groups of handles are provided with rubber pads.

Through adopting above-mentioned technical scheme, the person in the water accessible snatchs the handle and gets into the life buoy inboard, and can prevent that the life buoy from dropping from the top at the person that falls who removes the in-process, and the rubber pad can increase the frictional force with the staff.

The invention is further provided that a handle rope is arranged between the life buoy body and the outer wall of the protective cover, and the handle rope can be assembled, disassembled and replaced.

Through adopting above-mentioned technical scheme, it is inboard that the person in water accessible snatchs the handle rope and gets into the life buoy, increases the area that snatchs of power life buoy, improves the practicality.

The invention is further provided that bearings are arranged inside the plurality of groups of rotating shafts, and the plurality of groups of screw rods are rotatably connected with the rotating shafts through the bearings.

By adopting the technical scheme, the gear can horizontally slide up and down under the rotary connection of the screw rod and the bearing inner ring.

In summary, the invention mainly has the following beneficial effects:

1. the invention is provided with the pushing plates, the limiting grooves, the fixing blocks, the screw rods, the worms, the gears, the arc rack baffles, the arc limiting sliding plates, the protective covers, the torsional springs and the reset springs, a plurality of groups of pushing plates are pushed and extruded inwards through the limiting grooves, the plurality of groups of pushing plates drive the screw rods which are meshed and connected with the pushing plates to rotate downwards in the worm direction under the supporting and limiting action of the fixing blocks, so that the gears are meshed and connected with the worms simultaneously, the gears drive the arc rack baffles which are meshed and connected with the gears to extend out of the protective covers under the limiting action of the arc limiting sliding plates, the dynamic life buoy is sealed through the arc design of the two groups of arc rack baffles, the falling person is effectively resisted and protected, the falling person is prevented from falling off the life buoy due to the physical strength, the fault tolerance rate can be improved by arranging a plurality of groups of pushing plates and the gears, and the pushing plates can be reset under the action of the torsional springs, the gear is reset, the worm is disengaged, the two groups of arc-shaped rack baffles are pulled back in the original way under the elastic reset of the multiple groups of reset springs, manual operation is not needed, and the practicability of the power life buoy is greatly improved;

2. through the matching between the vacuum buoyancy blocks, the matching ports, the connecting rods, the fan blades, the air inlet and outlet and the inflatable bags, two groups of vacuum buoyancy blocks in contact with the water surface can be tightly clamped with the matching ports under the action of buoyancy under the condition of internal vacuum, two groups of vacuum buoyancy blocks not in contact with the water surface are separated from the corresponding matching ports under the action of upward pushing of the connecting rods by the buoyancy, the fan blades are driven to rotate at the output ends of the other ends of the two groups of double-shaft motors, so that the external air is sucked from the two groups of matching ports in contact with the water surface and is sent into the inflatable bags through the air inlet and outlet holes, the inflatable bags are inflated and expanded, the buoyancy of the power life buoy is effectively increased, the bearing weight can be greatly increased when a plurality of people fall into the water, and the practicability of the product is improved;

3. according to the invention, through the matching among the sealing cavity, the protective cover, the water inlet and the water outlet guide vane, the sealing cavity is formed in the lifebuoy, the gravity center of the lifebuoy is concentrated at the protective cover, the draught of the water inlet of the lifebuoy can be ensured, the lifebuoy can absorb water through the water inlet no matter how the lifebuoy bumps and turns over on the water surface under the design of the water inlet, the water outlet guide vane effectively reduces the circumferential motion of the propeller wake and recovers the energy in the rotating wake, and thus the thrust and the efficiency of the propeller are improved.

Drawings

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

FIG. 2 is a transverse cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view taken at B of FIG. 2 in accordance with the present invention;

FIG. 5 is a longitudinal cross-sectional view of a portion of the present invention;

FIG. 6 is a partial schematic view of the present invention;

FIG. 7 is an enlarged view of the invention at C of FIG. 6;

FIG. 8 is a longitudinal cross-sectional view of a portion of the present invention;

FIG. 9 is a longitudinal cross-sectional view of a portion of the present invention;

fig. 10 is a rear view of the present invention.

In the figure: 1. a lifebuoy body; 2. a protective cover; 3. a vacuum buoyancy block; 4. an air-filled bag; 5. a push plate; 6. an arc-shaped rack baffle plate; 7. a gear; 8. a worm; 9. a double-shaft motor; 10. a rotating shaft; 11. a screw; 12. a torsion spring; 13. a mating plate; 14. a fixed block; 15. a mating groove; 16. a return spring; 17. an arc-shaped limiting sliding plate; 18. a bearing; 19. a water inlet; 20. a propeller; 21. a water outlet guide vane; 22. a water outlet; 23. a handle cord; 24. a handle; 25. a limiting groove; 26. sealing the cavity; 27. a first sealing separator; 28. a second sealing separator; 29. a battery and a signal receiver; 30. supporting the partition plate; 31. a fan blade; 32. an air inlet and an air outlet; 33. a connecting rod; 34. a support collar; 35. a fitting port.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A multifunctional power life buoy is disclosed, as shown in figures 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, which comprises a life buoy body 1, wherein two ends of one side of the life buoy body 1 are respectively provided with a protective cover 2, two ends of one side inside the protective cover 2 are respectively provided with a double-shaft motor 9, output ends of one side of two groups of double-shaft motors 9 are respectively fixed with a rotating shaft 10 extending into the protective cover 2, the surfaces of the two groups of rotating shafts 10 are respectively provided with a worm 8, the inner sides of the two groups of protective covers 2 are respectively and movably connected with a plurality of groups of pushing plates 5 extending into the protective covers, one ends of the plurality of groups of pushing plates 5 positioned inside the protective covers 2 are respectively engaged and connected with a screw 11, matching plates 13 are respectively fixed inside the two groups of protective covers 2, fixed blocks 14 are respectively fixed above and below one ends of the two groups of matching plates 13, and the plurality of fixed blocks 14 are respectively and correspondingly engaged and connected with the plurality of screw 11, torsional springs 12 are connected between the multiple groups of pushing plates 5 and the fixed block 14, gears 7 are rotatably connected at the bottoms of the multiple groups of screw rods 11, the fault tolerance rate can be improved by arranging the multiple groups of pushing plates 5 and the gears 7, arc-shaped rack baffles 6 extending to the outer side are slidably connected inside the two groups of protective covers 2, the two groups of arc-shaped rack baffles 6 are meshed with the multiple groups of gears 7, the gears 7 can drive the arc-shaped rack baffles 6 meshed with the gears to extend out of the protective covers 2 under the limiting action of arc-shaped limiting sliding plates 17, the dynamic life buoy is sealed by the arc design of the two groups of arc-shaped rack baffles 6, the falling person is effectively blocked and protected, a supporting baffle 30 is fixed on one side of two groups of double-shaft motors 9 inside the life buoy main body 1, the two groups of arc-shaped rack baffles 6 extend into the life buoy main body 1, and two ends of one side of the two groups of arc-shaped rack baffles are provided with reset springs 16, the push plate 5 can be reset under the action of the torsion spring 12, so that the gear 7 is reset and is disengaged from the meshing of the worm 8, the two groups of arc-shaped rack baffles 6 are pulled back in the original way under the elastic reset of the groups of reset springs 16, the practicability of the power lifebuoy is improved, the groups of reset springs 16 are all connected with the supporting partition plate 30, the output ends of the two groups of double-shaft motors 9 far away from the rotating shaft 10 are all provided with fan blades 31, the two groups of fan blades 31 are all rotatably connected with the supporting partition plate 30, the two ends inside the lifebuoy main body 1 are all fixed with the second sealing partition plate 28, the supporting sleeve rings 34 are all connected between the two groups of second sealing partition plates 28 and the supporting partition plate 30, the connecting rods 33 are all sleeved inside the two groups of supporting sleeve rings 34, the tops and the bottoms of the two groups of connecting rods 33 are all provided with the vacuum buoyancy blocks 3 extending to the outer side of the lifebuoy main body 1, and the groups of vacuum buoyancy blocks 3 are all movably connected with the lifebuoy main body 1, the periphery of the lifebuoy body 1 is provided with the inflatable bags 4, the two ends of the outer side of the lifebuoy body 1 are uniformly distributed between the supporting partition plate 30 and the second sealing partition plate 28 and provided with a plurality of groups of air inlet and outlet holes 32, the inflatable bags 4 are communicated with the plurality of groups of air inlet and outlet holes 32, the vacuum buoyancy block 3 is arranged, the fan blades 31 are driven by the output ends of the two groups of double-shaft motors 9 to rotate, external air can be sucked, the air is conveyed into the inflatable bags 4 through the air inlet and outlet holes 32, the inflatable bags 4 are inflated and expanded, and the buoyancy of the power lifebuoy is effectively improved.

Referring to fig. 1, 2, 4, 5, 6 and 9, a sealed cavity 26 is formed inside the lifebuoy body 1, the sealed cavity 26 can ensure that the lifebuoy has a certain buoyancy, batteries and signal receivers 29 are disposed inside the lifebuoy body 1 and at one side of two sets of second sealing partition plates 28, the two sets of batteries and signal receivers 29 are matched with the double-shaft motor 9, a plurality of sets of matching ports 35 extending into the lifebuoy body 1 are formed on the surface of the lifebuoy body 1, and the plurality of sets of matching ports 35 are movably connected with the vacuum buoyancy block 3, the two groups of vacuum buoyancy blocks 3 which are in contact with the water surface can be tightly clamped with the matching ports 35 under the action of buoyancy under the vacuum condition of the two groups of vacuum buoyancy blocks 3, the two groups of vacuum buoyancy blocks 3 which are not in contact with the water surface are separated from the corresponding matching ports 35 under the action that the connecting rods 33 are upwards pushed by buoyancy, and outside air is sucked from the two groups of matching ports 35 which are not in contact with the water surface.

Please refer to fig. 2, fig. 3, fig. 4, fig. 6 and fig. 7, two sets of arc rack baffles 6 top and bottom all are fixed with arc limit slide 17, and two sets of arc rack baffles 6 all are through arc limit slide 17 and the spacing sliding connection of safety cover 2, arc rack baffle 6 stretches out to the safety cover 2 outside under the limiting displacement of arc limit slide 17, two sets of arc rack baffles 6 are close to supporting spacer 30 one side and all are provided with the worn-out fur, the worn-out fur at arc rack baffle 6 top can effectively be spacing to it, prevent that gear 7 and arc rack baffle 6 from blocking, the inside first seal spacer 27 that is located between biax motor 9 and arc rack baffle 6 of life buoy main part 1, first seal spacer 27 can prevent that water from invading and cause the damage to biax motor 9.

Referring to fig. 1, 3, 5, 6 and 7, the two sets of mating plates 13 have mating grooves 15 on their surfaces, the two sets of worms 8 are all mated with the sets of gears 7 through the mating grooves 15, the two sets of protecting covers 2 have limiting grooves 25 on their inner sides, the sets of pushing plates 5 are all connected with the protecting covers 2 in a sliding manner through the limiting grooves 25, the sets of gears 7 can be connected with the worms 8 through the mating grooves 15 in a meshing manner, and the limiting grooves 25 can limit the pushing plates 5 to move.

Referring to fig. 1, 2, 5, 6, 8 and 10, a water inlet 19 is formed at one end of the surface of each of the two protective covers 2, a water outlet 22 is formed at one side of each of the two protective covers 2 away from the double-shaft motor 9, the water inlet 19 is designed to enable the life buoy to absorb water through the water inlet 19 no matter how the life buoy bumps and turns over on the water surface, and water sucked into the protective covers 2 is pushed out from the water outlets 22 under the action of the two propellers 20, so that the power life buoy is driven to be pushed forward.

Referring to fig. 1, 2, 5, 6, 8 and 10, two sets of rotating shafts 10 are provided with propellers 20 on one side of the water outlet 22, water outlet guide vanes 21 are provided on the inner sides of the two sets of water outlets 22, the water outlet guide vanes 21 are rotatably connected with the propellers 20, the water outlet guide vanes 21 effectively reduce the circumferential movement of the propeller wake and recover the energy in the rotating wake, thereby improving the thrust and efficiency of the propeller.

Referring to fig. 1, 5, 6, 9 and 10, the top and bottom of the surface of the lifebuoy body 1 are provided with a plurality of sets of handles 24, and the surfaces of the plurality of sets of handles 24 are provided with rubber pads, so that a person falling into water can enter the inner side of the lifebuoy by grabbing the handles 24, the person falling into water can be prevented from falling off the lifebuoy during the moving process, and the rubber pads can increase the friction force with hands.

Referring to fig. 1, 2, 3, 5, 8, 9 and 10, a handle rope 23 is arranged between the outer wall of the lifebuoy body 1 and the outer wall of the protective cover 2, and the handle rope 23 can be detached and replaced, so that a person falling into water can enter the inner side of the lifebuoy by grabbing the handle rope 23, the grabbing area of the power lifebuoy is increased, and the practicability is improved.

Referring to fig. 8, bearings 18 are disposed inside the plurality of sets of rotating shafts 10, and the plurality of sets of screws 11 are rotatably connected to the rotating shafts 10 through the bearings 18, so that the gears 7 can horizontally slide up and down under the rotational connection between the screws 11 and the inner rings of the bearings 18.

The working principle of the invention is as follows: when a person falling into the water appears, the rescue personnel places the multifunctional power lifebuoy into the water, the rescue personnel controls the remote controller to transmit signals of the remote controller to the signal receiver 29, the signal receiver 29 respectively controls the two groups of double-shaft motors 9 to rotate, the two groups of double-shaft motors 9 simultaneously drive the rotating shaft 10 and the propeller 20 to rotate, the sealed cavity 26 and the gravity center of the lifebuoy are arranged in the protective cover 2 through the inner part of the lifebuoy, so that the draught of the water inlet 19 of the lifebuoy can be ensured, the lifebuoy can absorb water through the water inlet 19 no matter how the lifebuoy bumps and turns on the water surface under the design of the water inlet 19, then the water absorbed in the protective cover 2 is pushed out from the water outlet 22 under the action of the two groups of propellers 20, the power lifebuoy is driven to be pushed forwards, the water outlet guide vanes 21 effectively reduce the circumferential motion of the propeller wake and recover the energy in the rotating wake, thereby improve the thrust and the efficiency of propeller, the rotational speed of two sets of biax motors 9 of rescue personnel accessible control, make two sets of screw 20 reach different rotational speeds, thereby control life buoy main part 1 and adjust the direction, when the power life buoy moves to drowning person side fast, drowning person grabs handle rope 23 or handle 24 and gets into the life buoy inboard, under the extrusion of the person's of falling into the water health, push away the extrusion board 5 to the inboard through spacing groove 25 inboard to multiunit, multiunit push away the extrusion board 5 drives under the support of fixed block 14 spacing with its meshing connection screw rod 11 to rotate to the worm 8 direction and move down, under the rotation connection of screw rod 11 and bearing 18 inner circle, and under gear 7 and the rack meshing spacing connection on the arc rack baffle 6, can make gear 7 move down to the worm 8 direction horizontal slip, thereby make gear 7 mesh with worm 8 simultaneously and be connected, rescue personnel control start two sets of biax motors 9 immediately and prepare to control the person of falling into the water through the power life buoy Conveying rescue, two sets of double-shaft motors 9 drive the worms 8 to rotate, the two sets of worms 8 respectively drive the gears 7 connected with the worms in a meshed mode to rotate, so that the gears 7 drive the arc-shaped rack baffles 6 connected with the worms in a meshed mode to extend out of the protective cover 2 under the limiting effect of the arc-shaped limiting sliding plates 17, the light plates at the tops of the arc-shaped rack baffles 6 can effectively limit the gears 7 and the arc-shaped rack baffles 6 to prevent the gears 7 and the arc-shaped rack baffles 6 from being stuck, the power life buoy is sealed through the arc design of the two sets of arc-shaped rack baffles 6, the drowning person is effectively protected by blocking, the drowning person is prevented from falling off the life buoy due to the fact that physical strength is overdrawn, the fault tolerance rate can be improved by arranging a plurality of groups of pushing plates 5 and the gears 7, and after the drowning person is rescued by rescue workers, the pushing plates 5 can be reset under the effect of the torsion springs 12, so that the gears 7 are reset, the worm 8 is disengaged, then under the elastic reset of a plurality of groups of reset springs 16, two groups of arc-shaped rack baffles are pulled back in the original way, manual operation is not needed, the practicability of the power life buoy is greatly improved, when the power life buoy is propelled and moved on the water surface under the action of two groups of double-shaft motors 9, two groups of vacuum buoyancy blocks 3 contacted with the water surface can be tightly clamped with the matching ports 35 under the action of buoyancy under the internal vacuum condition, two groups of vacuum buoyancy blocks 3 not contacted with the water surface are separated from the corresponding matching ports 35 under the action of upward thrust of the connecting rods 33 by the buoyancy, the output ends at the other ends of the two groups of double-shaft motors 9 drive the fan blades 31 to rotate, so that the external air is sucked into the two groups of matching ports 35 contacted with the water surface and is sent into the inflatable bag 4 through the air inlet and outlet holes 32, and the inflatable bag 4 is inflated and expanded, effectively increase the buoyancy of power life buoy, but greatly increased bears weight when faced many people and fall into water, improve the practicality of product.

Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims (9)

1. A multi-functional power life buoy, includes life buoy main part (1), its characterized in that: the life buoy is characterized in that protective covers (2) are arranged at two ends of one side of a life buoy main body (1), double-shaft motors (9) are arranged at two ends of one side in the protective covers (2), output ends of one sides of the double-shaft motors (9) are fixedly provided with rotating shafts (10) extending into the protective covers (2), the surfaces of the rotating shafts (10) are provided with worms (8), the inner sides of the protective covers (2) are movably connected with a plurality of groups of pushing plates (5) extending into the protective covers, one ends of the pushing plates (5) located in the protective covers (2) are respectively connected with screws (11) in a meshed manner, matching plates (13) are fixedly arranged in the protective covers (2), fixed blocks (14) are fixedly arranged above and below one ends of the matching plates (13), and the fixed blocks (14) are respectively connected with the screws (11) in a meshed manner, torsion springs (12) are connected between the multiple groups of pushing plates (5) and the fixed blocks (14), the bottoms of the multiple groups of screw rods (11) are rotatably connected with gears (7), arc-shaped rack baffles (6) extending to the outer side are slidably connected inside the two groups of protective covers (2), the two groups of arc-shaped rack baffles (6) are meshed with the multiple groups of gears (7), a supporting partition plate (30) is fixed inside the lifebuoy body (1) and positioned at one side of the two groups of double-shaft motors (9), the two groups of arc-shaped rack baffles (6) extend into the lifebuoy body (1) and are provided with reset springs (16) at two ends of one side of the lifebuoy body, the multiple groups of reset springs (16) are connected with the supporting partition plate (30), and fan blades (31) are arranged at output ends of the double-shaft motors (9) far away from one side of the rotating shaft (10), the two sets of fan blades (31) are rotatably connected with the supporting partition plate (30), the two ends of the inner part of the lifebuoy main body (1) are both fixed with second sealing partition plates (28), a supporting sleeve ring (34) is connected between the two sets of second sealing partition plates (28) and the supporting partition plate (30), connecting rods (33) are sleeved in the two sets of supporting sleeve rings (34), vacuum buoyancy blocks (3) extending to the outer side of the lifebuoy main body (1) are arranged at the top and the bottom of the two sets of connecting rods (33), a plurality of sets of vacuum buoyancy blocks (3) are movably connected with the lifebuoy main body (1), an inflatable bag (4) is arranged on the periphery of the lifebuoy main body (1), a plurality of sets of air inlet and outlet holes (32) are uniformly distributed at the two ends of the outer side of the lifebuoy main body (1) and between the supporting partition plate (30) and the second sealing partition plates (28), and the air inflation bag (4) is communicated with the air inlet and outlet holes (32).

2. A multi-functional power lifebuoy according to claim 1 wherein: sealed cavity (26) have been seted up to life buoy main part (1) inside, life buoy main part (1) is inside and be located two sets of second seal spacer (28) one side all is provided with battery and signal receiver (29), and is two sets of battery and signal receiver (29) all cooperate with biax motor (9), life buoy main part (1) surface is seted up the multiunit and is extended to its inside cooperation mouth (35), and the multiunit cooperation mouth (35) all with vacuum buoyancy piece (3) swing joint.

3. A multi-functional power lifebuoy according to claim 1 wherein: two sets of arc rack baffle (6) top and bottom all are fixed with arc limit slide (17), and are two sets of arc rack baffle (6) all are close to supporting barrier (30) one side and all are provided with the worn-out fur through arc limit slide (17) and safety cover (2) spacing sliding connection, and are two sets of arc rack baffle (6), life buoy main part (1) inside is located and all is provided with first sealed partition (27) between double-shaft motor (9) and arc rack baffle (6).

4. A multi-functional powered lifebuoy according to claim 1 characterised in that: two sets of cooperation board (13) surface has all been seted up cooperation groove (15), and is two sets of worm (8) all are through cooperation groove (15) and multiunit gear (7) cooperate, and are two sets of multiunit spacing groove (25), multiunit have all been seted up to safety cover (2) inboard bulldoze board (5) and all pass through spacing groove (25) and the spacing sliding connection of safety cover (2).

5. A multi-functional power lifebuoy according to claim 1 wherein: and two sets of water inlets (19) are formed in one end of the surface of the protective cover (2), and water outlets (22) are formed in one side, away from the double-shaft motor (9), of the protective cover (2).

6. A multi-functional power lifebuoy according to claim 1 wherein: two sets of pivot (10) are located delivery port (22) one side and all are provided with screw (20), and are two sets of delivery port (22) inboard all is provided with delivery port stator (21), and delivery port stator (21) and screw (20) rotate to be connected.

7. A multi-functional power lifebuoy according to claim 1 wherein: the top and the bottom of life buoy main part (1) surface all are provided with multiunit handle (24), and multiunit handle (24) surface all is provided with the rubber pad.

8. A multi-functional powered lifebuoy according to claim 1 characterised in that: handle ropes (23) are arranged between the outer walls of the life buoy main body (1) and the protective cover (2), and the handle ropes (23) can be detached and replaced.

9. A multi-functional power lifebuoy according to claim 1 wherein: the screw rod (11) and the rotating shaft (10) are rotatably connected through the bearings (18).

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