CN109110083B

CN109110083B - Life buoy capable of automatically inflating in water

Info

Publication number: CN109110083B
Application number: CN201811084747.4A
Authority: CN
Inventors: 张登柏
Original assignee: Weihai Luda Outdoor Products Co Ltd
Current assignee: Weihai Luda outdoor products Co., Ltd
Priority date: 2018-09-18
Filing date: 2018-09-18
Publication date: 2020-08-25
Anticipated expiration: 2038-09-18
Also published as: CN109110083A

Abstract

The invention discloses a water-meeting automatic inflation lifebuoy which comprises a lifebuoy body, wherein the lifebuoy body is of a hollow structure, an inflation tube is communicated with the interior of the lifebuoy body, a gas one-way valve is installed on the inflation tube, an external thread is arranged on the outer wall of one end, away from the lifebuoy body, of the inflation tube, a connecting tube is arranged at one end, away from the lifebuoy body, of the inflation tube, an internal thread is arranged on the inner wall of one end, close to the inflation tube, of the connecting tube, and the external thread is in threaded connection with the internal thread. Has the advantages that: water passes through the water inlet and leaks the hole and places the reactant in the box with the reactant and take place the reaction, produce a large amount of oxygen, most oxygen is aerifyd through connecting pipe and gas tube, a small amount of oxygen is through the connecting pipe and take over and then the piston box with external, utilize piston and piston rod to promote cutting blade and accomplish cutting of haulage rope, the shutoff hemisphere just can pop out under expanding spring's elastic force and carry out the shutoff to the water inlet, meet water just can aerify, it is comparatively convenient to use.

Description

Life buoy capable of automatically inflating in water

Technical Field

The invention relates to the technical field of life buoys, in particular to a life buoys capable of automatically inflating when meeting water.

Background

The lifebuoy is a kind of water life-saving equipment, and is usually made of cork, foamed plastic or other light materials with a small specific gravity, and canvas, plastic and the like are wrapped outside the lifebuoy.

When carrying out the personnel rescue in water on water, generally adopt two kinds of modes to go on, the difference is:

1. the method comprises the following steps of driving a navigation ship to the position near a person falling into water, and then throwing the lifebuoy to the water surface for rescue, wherein the method has the following problems: the sailing boat needs a certain time for driving, and people falling into water are easy to have insufficient physical strength to cause the hidden danger of life safety;

2. utilize the catapult to throw the life buoy to the vicinities of the person who falls into the water thereby carry out rescue, the problem that exists like this mode is: the life buoy has a fixed structure, large wind-bearing area and large resistance, is likely to fall on the water surface without reaching a person falling into the water, has short cast distance and has use limitation.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a life buoy capable of automatically inflating when meeting water.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a meet water automatic inflation life buoy, includes the life buoy body, the life buoy body adopts hollow structure, the inside intercommunication of life buoy body has the gas tube, install gaseous check valve on the gas tube, the one end outer wall that the life buoy body was kept away from to the gas tube is equipped with the external screw thread, the one end that the life buoy body was kept away from to the gas tube is equipped with the connecting pipe, the one end inner wall that the connecting pipe is close to the gas tube is equipped with the internal thread, the external screw thread carries out threaded connection with the internal thread, the one end intercommunication that the gas tube was kept away from to the connecting pipe has the reaction box, be equipped with.

In the above-mentioned water-encountering automatic inflation lifebuoy, the automatic inflation mechanism comprises a reactant placing box fixedly mounted on the inner wall of the middle part of one side of the reaction box, a reactant is arranged in the reactant placing box, the reactant is Na2O2 particles, and a plurality of water leakage holes are uniformly distributed on the upper and lower side walls of the reactant placing box;

the reaction box comprises a reaction box and is characterized in that a water inlet with a circular structure is formed in the upper side wall of the reaction box, limiting plates are symmetrically and fixedly connected to the inner top wall of the reaction box about the circle center of the water inlet, limiting sliding grooves are formed in the side walls, close to each other, of the two limiting plates, limiting sliding blocks are connected in the limiting sliding grooves in a sliding mode, a blocking hemisphere is fixedly connected to the side walls, close to each other, of the two limiting sliding blocks, a supporting plate is fixedly connected to the inner wall of the other side of the reaction box, the supporting plate is located below the blocking hemisphere, a telescopic spring is fixedly connected to the lower side wall of the blocking hemisphere and the upper side wall of the supporting plate, a traction rope is fixedly connected to the lower side wall of;

the lower side wall of the support plate and the inner bottom wall of the reaction box are fixedly connected with a piston box, and the inner wall of the piston box is in sliding connection

There is the piston, the piston is close to one side lateral wall fixedly connected with piston rod of haulage rope, the piston rod is kept away from the one end of piston and is run through piston box and fixedly connected with cutting blade, the outer wall intercommunication of connecting pipe has outer takeover, the outer takeover keep away from the one end of connecting pipe run through the reaction box and with the inside intercommunication of piston box, outer takeover is located one side that the haulage rope was kept away from to the piston rod.

In the above-mentioned water-meeting automatic inflation life buoy, the size of the water leakage holes is smaller than that of the reactant.

In the above water-encountering automatic inflation lifebuoy, the upper side wall of the support plate is provided with an opening in clearance fit with the hauling rope. In the above water-meeting automatic inflation life buoy, the side wall of the piston box near the traction rope is provided with a gap with the piston rod

A matched round mouth.

In the above-mentioned meet water automatic inflation life buoy, the lower extreme of water inlet is handled through the chamfer, the shutoff hemisphere adopts rubber materials to make.

In the above mentioned water-meeting automatic inflation lifebuoy, the outer surface of the lifebuoy body is glued with a circle of reflective tape. Compared with the prior art, this meet water automatic inflation life buoy's advantage lies in:

1. by compressing the life buoy body and performing elastic binding, the stress area of resistance during casting is greatly reduced, so that the resistance is reduced, the casting distance is increased, the life buoy body can be cast for a long distance, and the rescue efficiency is improved;

2. water passes through the water inlet and leaks the hole and places the reactant in the box with the reactant and take place the reaction, produce a large amount of oxygen, most oxygen is aerifyd through connecting pipe and gas tube, a small amount of oxygen is through the connecting pipe and take over and then the piston box with external, utilize piston and piston rod to promote cutting blade and accomplish cutting of haulage rope, the shutoff hemisphere just can pop out under expanding spring's elastic force and carry out the shutoff to the water inlet, meet water just can aerify, it is comparatively convenient to use.

Drawings

FIG. 1 is a schematic structural view of a water-encountering automatic inflatable lifebuoy provided by the invention;

FIG. 2 is a sectional view of a water-encountering self-inflating lifebuoy reaction cartridge according to the present invention;

fig. 3 is a partial enlarged view of fig. 2 of the present invention.

In the figure: 1 life buoy body, 2 gas-filled tubes, 3 gas one-way valves, 4 reflective belts, 5 connecting tubes, 6 reaction boxes, 7 water inlets, 8 reactant placing boxes, 9 reactants, 10 water leakage holes, 11 support plates, 12 extension springs, 13 plugging hemispheres, 14 limiting sliders, 2 connecting tubes, 5 connecting tubes, 6 reaction boxes, 8 reactant placing boxes, 9 reactant placing boxes, 10 water leakage holes, 12 support plates, 12 extension springs, 13 plugging hemispheres, 14 limiting sliders,

15 limiting plates, 16 traction ropes, 17 external connecting pipes, 18 piston boxes, 19 pistons, 20 piston rods and 21 cutting blades. Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Referring to fig. 1-3, a water-meeting automatic inflation life buoy comprises a life buoy body 1, wherein the life buoy body 1 is of a hollow structure, an inflation tube 2 is communicated with the interior of the life buoy body 1, and a gas one-way valve 3 is mounted on the inflation tube 2, namely the air can only flow to the life buoy body 1

The inner part is inflated, the outer wall of one end of the inflation tube 2 far away from the life buoy body 1 is provided with external threads, and the inflation tube 2 far away from the life buoy body 1

Is provided with a connecting pipe 5, the inner wall of one end of the connecting pipe 5 close to the inflation pipe 2 is provided with an internal thread, and the external thread and the internal thread are screwed

The air inflation tube 2 and the connecting tube 5 are in threaded connection through external threads and internal threads, and the life buoy body 1 is used once

Only need after change components such as connecting pipe 5 again can, the one end intercommunication that gas tube 2 was kept away from to connecting pipe 5 has reaction box 6, is equipped with automatic inflation mechanism in the reaction box 6.

The automatic inflation mechanism comprises a reactant placing box 8 fixedly arranged on the inner wall of the middle part of one side of the reaction box 6, a reactant 9 is arranged in the reactant placing box 8, the reactant 9 is Na2O2 particles, a plurality of water leakage holes 10 which are uniformly distributed are formed in the upper side wall and the lower side wall of the reactant placing box 8, and water can conveniently enter the reaction holes 10 for reaction;

the upper side wall of the reaction box 6 is provided with a water inlet 7 with a circular structure, the inner top wall of the reaction box 6 is symmetrically and fixedly connected with limiting plates 15 about the center of a circle of the water inlet 7, one side wall of the two limiting plates 15 close to each other is provided with a limiting sliding groove (not shown in the figure), the limiting sliding grooves are all connected with limiting sliders 14 in a sliding manner, one side wall of the two limiting sliders 14 close to each other is fixedly connected with a plugging hemisphere 13 together, the plugging hemisphere 13 slides in an auxiliary sliding groove through the limiting sliders 14, and the movement direction is further obtained

Limiting, wherein a support plate 11 is fixedly connected to the inner wall of the other side of the reaction box 6, and the support plate 11 is positioned below the plugging hemisphere 13 to form a plugging half

The lower side wall of the ball 13 and the upper side wall of the support plate 11 are fixedly connected with a telescopic spring 12, and the lower side wall of the blocking hemisphere 13 is fixedly connected

A hauling rope 16 is connected, the lower end of the hauling rope 16 penetrates through the support plate 11 and is fixedly connected with the inner bottom wall of the reaction box 6, and the hauling rope 16

When the tractor is normally pulled, the extension spring 12 is in a compressed state;

the lower side wall of the support plate 11 and the inner bottom wall of the reaction box 6 are fixedly connected with a piston box 18, and the inner wall of the piston box 18 is connected with

A piston 19 is connected, a piston rod 20 is fixedly connected to the side wall of the piston 19 close to the traction rope 16, and the piston rod 20 is far away from the piston 19

One end of the connecting pipe 5 penetrates through the piston box 18 and is fixedly connected with a cutting blade 21, the outer wall of the connecting pipe 5 is communicated with an external connecting pipe 17, and the external connecting pipe 17

One end far away from the connecting pipe 5 penetrates through the reaction box 6 and is communicated with the interior of the piston box 18, and the external connecting pipe 17 is positioned on the piston rod 20 and is far away from the traction

On one side of the cable 16, there is normally a gap between the cutting blade 21 and the pulling cable 16, and the piston 19 and the piston

There is frictional resistance between the inner walls of the box 18 so that the cutting blade 21 does not cut the pull cord 16 without the influence of external forces.

Further, referring to fig. 2, the size of the water leakage holes 10 is smaller than that of the reactant 9, and the life buoy body 1 is thrown

In the process, the water cannot leak out through the water leakage holes 10, so that the integrity of the reactant 9 is ensured.

Further, the upper side wall of the support plate 11 is provided with an opening (not shown) which is in clearance fit with the traction rope 16 to ensure traction

The cord 16 is not subject to any obstruction.

Further, a side wall of the piston box 18 near the pulling rope 16 is provided with a round opening (in the figure, the round opening is in clearance fit with the piston rod 20)

Not shown) and the piston rod 20 is slidably connected to the piston housing 18 without deflection.

Further, referring to fig. 2, the lower end of the water inlet 7 is chamfered, and the chamfered water inlet 7 serves as a transition seal

The sealing function is realized, the sealing hemisphere 13 is made of rubber materials, and the sealing hemisphere 13 has certain deformability to realize the water inlet 7

The sealing device is in interference fit with the plugging hemisphere 13, plays a role in sealing after reaction, and avoids generated gas from leaking to influence a life buoy body

Normal inflation of body 1.

Further, referring to fig. 1, a circle of reflective belt 4 is glued on the outer surface of the lifebuoy body 1, and the reflective belt 4 is more beneficial to the discovery of the lifebuoy body 1 by a person falling into water, so that the lifesaving difficulty is reduced.

Further, unless otherwise expressly stated or limited, the upper fastening is to be construed broadly, for example, as being welded, glued, or integrally formed as is conventional in the art.

The method comprises the following steps: the life buoy body 1 needs to be compressed in advance and simply bound by an elastic bandage for use

The catapult equipment catapults the compressed life buoy body 1 to the position near a person falling into water;

the invention is characterized in that in an unused state: the traction rope 16 pulls the blocking hemisphere 13 to enable the limiting slide block 14 to be located at the most of the auxiliary sliding groove

Below, the extension spring 12 is in a compressed state, the piston 19 in the piston housing 18 is arranged close to the traction rope 16, the cutting blade 21 and the traction rope

The spacing between the leads 16 is less than the length of a piston rod 20 located within the piston box 18;

the specific process of the invention is as follows: the compressed life buoy body 1 is thrown and falls into water, and the life buoy body 1 reacts with the water

The box 6 submerges into the aquatic under the effect of self gravity, and water passes through water inlet 7 and hole 10 that leaks to place the reactant 9 in the box 8 with the reactant and react, according to the chemical principle: 2Na2O2+2H2O ═ 4NaOH + O2 ═ g, Na2O2 granule takes place the reaction with water and generates NaOH and a large amount of oxygen, most oxygen gets into the life buoy body 1 through connecting pipe 5 and gas tube 2 and accomplishes and aerifys, trace amount of oxygen is inflated in the completion in the life buoy body 1

Oxygen enters the piston box 18 through the connecting pipe 5 and the external connecting pipe 17, pushes the piston 19 and pushes the cutting blade through the piston rod 20

21, cutting the hauling rope 16, popping the plugging hemisphere 13 under the elastic force recovered by the telescopic spring 12, plugging the water inlet 7 and ensuring that the generated gas cannot overflow.

Although terms such as the life buoy body 1, the inflation tube 2, the gas check valve 3, the reflective belt 4, the connecting tube 5, the reaction box 6, the water inlet 7, the reactant placing box 8, the reactant 9, the water leakage hole 10, the support plate 11, the expansion spring 12, the blocking hemisphere 13, the limit slider 14, the limit plate 15, the traction rope 16, the external connection tube 17, the piston box 18, the piston 19, the piston rod 20, the cutting blade 21 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a meet water automatic inflation life buoy, includes life buoy body (1), its characterized in that, life buoy body (1) adopts hollow structure, the inside intercommunication of life buoy body (1) has gas tube (2), install gaseous check valve (3) on gas tube (2), the one end outer wall that life buoy body (1) was kept away from in gas tube (2) is equipped with the external screw thread, the one end that life buoy body (1) was kept away from in gas tube (2) is equipped with connecting pipe (5), the one end inner wall that connecting pipe (5) are close to gas tube (2) is equipped with the internal thread, the external screw thread carries out threaded connection with the internal thread, the one end that gas tube (2) was kept away from in connecting pipe (5) communicates reaction box (6), be equipped with automatic inflation mechanism in reaction box (6), automatic inflation mechanism includes that the reactant of fixed mounting on reaction box (6) one side middle part inner wall places box (8), a reactant (9) is arranged in the reactant placing box (8), the reactant (9) is Na2O2 particles, and a plurality of water leakage holes (10) are uniformly distributed in the upper side wall and the lower side wall of the reactant placing box (8); the reaction box is characterized in that a water inlet (7) with a circular structure is formed in the upper side wall of the reaction box (6), limiting plates (15) are symmetrically and fixedly connected to the inner top wall of the reaction box (6) relative to the center of a circle of the water inlet (7), limiting chutes are formed in the two limiting plates (15) close to each other, limiting sliders (14) are slidably connected in the limiting chutes, a blocking hemisphere (13) is fixedly connected to the two limiting sliders (14) close to each other, a support plate (11) is fixedly connected to the inner wall of the other side of the reaction box (6), the support plate (11) is located below the blocking hemisphere (13), a telescopic spring (12) is fixedly connected to the lower side wall of the blocking hemisphere (13) and the upper side wall of the support plate (11), and a traction rope (16) is fixedly connected to the lower side wall of the blocking hemisphere (, the lower end of the traction rope (16) penetrates through the support plate (11) and is fixedly connected with the inner bottom wall of the reaction box (6); the utility model discloses a reaction box, including support plate (11), inner wall sliding connection have piston box (18) of the common fixedly connected with of the interior diapire of lower lateral wall and reaction box (6) of extension board (11), the inner wall sliding connection of piston box (18) has piston (19), piston (19) are close to one side lateral wall fixedly connected with piston rod (20) of haulage rope (16), piston rod (20) keep away from the one end of piston (19) and run through piston box (18) and fixedly connected with cutting blade (21), the outer wall intercommunication of connecting pipe (5) has outer takeover (17), the one end that connecting pipe (5) were kept away from in outer takeover (17) runs through reaction box (6) and with piston box (18) inside intercommunication, outer takeover (17) are located piston rod (20) and keep away from one.

2. A water-encountering automatic inflatable lifebuoy according to claim 1, wherein said water leakage holes (10) are smaller in size than said reactants (9).

3. A water-encountering automatic inflatable lifebuoy according to claim 1, wherein said upper side wall of said support plate (11) is provided with an opening which is in clearance fit with said hauling rope (16).

4. The water-encountering automatic inflation life buoy of claim 1, wherein a side wall of the piston box (18) close to the hauling rope (16) is provided with a round opening which is in clearance fit with the piston rod (20).

5. A water-encountering automatic inflation life buoy according to claim 1, characterized in that the lower end of the water inlet (7) is chamfered, and the blocking hemisphere (13) is made of rubber material.

6. A water-encountering automatic inflatable lifebuoy according to claim 1, wherein the outer surface of said lifebuoy body (1) is glued with a circle of reflective tape (4).