CN112660336A

CN112660336A - Collapsible life buoy convenient to throw and expand rescue scope

Info

Publication number: CN112660336A
Application number: CN202110216436.4A
Authority: CN
Inventors: 王丹亚
Original assignee: Shenzhen Wencaiyuan Trade Co ltd
Current assignee: Shenzhen Wencaiyuan Trade Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-04-16

Abstract

The invention discloses a retractable life buoy convenient to throw and expand a rescue range, which comprises a base and a left displacement block and a right displacement block which are completely symmetrical, wherein the base is provided with a plurality of through holes for connecting an inner cavity with an external environment, an inflation tube is arranged between end walls of the inner cavity of the base, and the effect that ordinary people can accurately throw the life buoy to the vicinity of a person falling into the water under the condition of lack of exercise can be realized.

Description

Collapsible life buoy convenient to throw and expand rescue scope

Technical Field

The invention relates to the field of water life-saving equipment, in particular to a retractable life buoy which is convenient to throw and expands the rescue range.

Background

The life buoy is a kind of water life-saving equipment, generally divided into a hard life buoy which does not need to be inflated and a rubber life buoy which needs to be inflated, when the life buoy needs to be used for rescue, the hard life buoy is easy to throw and stable, but has larger mass and is difficult to throw away, the inflated rubber life buoy has large volume and small mass, is difficult to throw and cannot rescue people who fall into water farther away, common people also lack practice for throwing the life buoy, the life buoy cannot be thrown to an accurate position quickly and effectively in an emergency, and precious rescue time may be wasted, so that a retractable life buoy which is convenient to throw and expands a rescue range is necessary to be designed to solve the problems.

Disclosure of Invention

The invention aims to provide a retractable life buoy which is convenient to throw and can expand the rescue range, and the retractable life buoy can overcome the defects in the prior art, so that the practicability of equipment is improved.

In a preferred embodiment, the retractable life buoy convenient for throwing and expanding the rescue range comprises a base and a left displacement block and a right displacement block which are completely symmetrical, wherein the base is provided with a plurality of through holes for connecting an inner cavity with the external environment, an inflation tube is arranged between the end walls of the inner cavity of the base, a pricking pin block is slidably arranged in a fixed support in the inflation tube, an inflation spring is arranged between the pricking pin block and the other fixed support in the inflation tube, a spherical compressed gas cylinder is arranged at the lower end of the base and is fixed with the base through threaded engagement, a pressure-resistant metal film is arranged on a gas outlet in the pressure-resistant metal film and can seal the gas in the spherical compressed gas cylinder, and the pricking pin block can prick the pressure-resistant metal film under the thrust of the inflation spring and release the gas in the spherical compressed gas cylinder, the utility model discloses a puncture needle, including inflatable tube, two end, inflation tube, install on the inflatable tube and pass two second fixture blocks of bilateral symmetry of inflatable tube outer wall, the second fixture block can slide in the inflatable tube, the second fixture block can insert stab the slot on the needle piece and make it fixed, inflation spring is in slight compression state.

In preferred embodiment, the side about the gas tube structure in the base inner chamber is complete symmetry, so the following all uses the gas tube right side structure in the base inner chamber is for example, intracavity fixed mounting has the spout piece in the base, install the bearing plate on the spout piece, the bearing plate can slide in the spout on the spout piece, the bearing plate with connect between the spout piece and install hydraulic spring, the bearing plate with the articulated second connecting rod of installing between the second fixture block, hydraulic spring is in the compression and holds the power state, the last pressure of hydraulic spring can make just the bearing plate keeps the current position, and rivers can pass through-hole on the base gets into the base inner chamber promotes the bearing plate rebound.

In a preferable embodiment, a first clamping block is installed on a fixing block in the inner cavity of the base, a first connecting rod is installed between the first clamping block and the pressure bearing plate in a hinged mode, the pressure bearing plate can move upwards through pulling up the second connecting rod and the first connecting rod to drive the second clamping block and the first clamping block to move towards the sliding groove block, the second clamping block moves towards the sliding groove block to enable the second clamping block to be separated from a slot in the pricking pin block, and the pricking pin block can move downwards to prick the pressure-resistant metal film after losing limiting effect.

In a preferred embodiment, since the left and right displacement blocks are completely symmetrical, the right displacement block is taken as an example under the condition that no special indication is given, a limiting rod is mounted on the displacement block and can slide in the displacement block, a displacement spring is connected between the limiting rod and an inner cavity of the displacement block and is in a compressed force storage state, the first clamping block can be inserted into a clamping groove of the limiting rod and fixes the limiting rod, when the first clamping block wants the sliding groove block to move, the first clamping block can be separated from the clamping groove on the limiting rod and loses the limiting effect, and after the limiting rod loses the limiting effect, the limiting rod can move upwards under the effect of the displacement spring.

In a preferred embodiment, displacement piece inner chamber installs cylindricality compressed gas jar, cylindricality compressed gas jar through threaded engagement with it is fixed between the displacement piece, install the slide switch piece on the cylindricality compressed gas jar, the slide switch piece can reciprocate in the cylindricality compressed gas jar, be equipped with L type air vent in the slide switch piece, under the initial condition the air vent left end in the slide switch piece is stopped up by the fixed block of cylindricality compressed gas jar inner chamber, the slide switch piece with connect between the gag lever post and install the string, can drive the slide switch piece through the pulling string during gag lever post rebound and upwards remove, the slide switch piece upwards removes and to make air vent in the slide switch piece with the gaseous intercommunication in the cylindricality compressed gas jar.

In a preferred embodiment, an air injection pipe is connected and installed between the displacement block and the sliding switch block, and the air injection pipe can redirect the air released in the cylindrical compressed air tank to obtain a certain propelling force which can push the displacement block to move in water.

In a preferred embodiment, a plurality of vertically symmetrical air cavities are arranged in the displacement block, the air cavities can provide enough buoyancy to enable the displacement block to float in water in the upward direction of the air cavities, and the symmetrical layout of the air cavities can enable the displacement block to keep stable when moving and move according to a preset direction.

In a preferred embodiment, the life buoy is placed between the displacement block and the base, when the device is not unfolded, the life buoy is in a compressed folded state, the base and the displacement block can clamp the life buoy tightly, the limiting rod plays a role in limiting to prevent the base from being separated from the displacement block, a take-up pulley is installed in the displacement block, a long rope is connected and installed between the take-up pulley and the life buoy, redundant long ropes are wound on the take-up pulley, and an air guide pipe is connected and installed between the life buoy and the inflation pipe.

In a preferred embodiment, when the device is actually used, a person on shore throws the whole device to the position near a person falling into water, the device sinks in the direction that the spherical compressed gas cylinder faces the water bottom after falling into water due to the fact that the base and the spherical compressed gas cylinder have large mass, water flows into the lower side of the pressure bearing plate through the through hole in the base and pushes the pressure bearing plate to move upwards, the pressure bearing plate moves upwards to enable the second clamping block and the first clamping block to move through the transmission of the connecting rod, the second clamping block moves to enable the pricking pin block to move downwards to prick the pressure-resistant metal film and release compressed gas in the spherical compressed gas cylinder, and the first clamping block moves to enable the limiting rod to move upwards and leave the base.

In a preferred embodiment, the lifebuoy is inflated after compressed gas in the spherical compressed gas cylinder is released, the lifebuoy expands after being inflated, two displacement blocks are pushed out towards two sides respectively, the sliding switch block is driven to move by a thin rope in the moving process of the limiting rod, the sliding switch block moves to enable a vent hole in the lifebuoy to be communicated with gas in the cylindrical compressed gas cylinder, the compressed gas in the cylindrical compressed gas cylinder is sprayed out by a gas spraying pipe to obtain propelling force for driving the displacement blocks, after the displacement blocks are pushed into water by the lifebuoy, the displacement blocks keep the floating posture of the gas cavity under the action of the gas cavity, gas flow sprayed out by the gas spraying pipe drives the displacement blocks to rotate around the lifebuoy when the displacement blocks are far away from the lifebuoy, and the displacement blocks can drive long ropes on the take-up pulley to be released in the process of being far away from the lifebuoy, after the long rope is released, the left and right displacement blocks continue to rotate around the life buoy, the long rope between the displacement blocks and the life buoy also moves around in water, and a person falling into the water can pull the life buoy to the side to avoid drowning by pulling one long rope.

In the preferred embodiment, after each rescue, the spherical compressed gas cylinder and the cylindrical compressed gas cylinder are integrally replaced by the device, and the life buoy can be recycled after being deflated and folded.

The invention has the beneficial effects that: the retractable life buoy provided by the invention is convenient to throw and expand the rescue range, and can realize the effect that ordinary people can accurately throw the life buoy to the vicinity of a person falling into the water even in the absence of exercise.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view showing the overall structure of a retractable life buoy of the present invention, which facilitates throwing and expands the rescue range.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

FIG. 4 is a schematic view of the inflated deployed configuration of FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to the accompanying drawings 1-4, the retractable life buoy convenient to throw and expand rescue range comprises a base 10 and two left and right completely symmetrical displacement blocks 16, wherein the base 10 is provided with a plurality of through holes for connecting an inner cavity with an external environment, an inflation tube 27 is installed between the end walls of the inner cavity of the base 10, a puncture needle block 25 is installed in a fixed support in the inflation tube 27 in a sliding manner, an inflation spring 28 is installed between the puncture needle block 25 and another fixed support in the inflation tube 27, a spherical compressed gas cylinder 14 is installed at the lower end of the base 10, the spherical compressed gas cylinder 14 is fixed to the base 10 through threaded engagement, a pressure-resistant metal film 24 is installed on a gas outlet of the pressure-resistant metal film 24, the pressure-resistant metal film 24 can seal gas in the spherical compressed gas cylinder 14, and the puncture needle block 25 can puncture the pressure-resistant metal film 24 under the thrust of the inflation spring 28 and release the spherical compressed gas cylinder 14 The gas in, right-and-left end about gas tube 27, install on the gas tube 27 and pass two second fixture blocks 26 of bilateral symmetry of gas tube 27 outer wall, second fixture block 26 can slide in gas tube 27, second fixture block 26 can insert stab the slot on the needle piece 25 and make it fixed, inflation spring 28 is in slight compression state.

The structure in the base 10 inner chamber on the left and right sides of the gas tube 27 is completely symmetrical, so the following all takes the structure on the right side of the gas tube 27 in the base 10 inner chamber as an example, a sliding groove block 23 is fixedly installed in the base 10 inner chamber, a pressure bearing plate 13 is installed on the sliding groove block 23, the pressure bearing plate 13 can slide in a sliding groove on the sliding groove block 23, a hydraulic spring 22 is installed between the pressure bearing plate 13 and the sliding groove block 23 in a connecting manner, a second connecting rod 15 is installed between the pressure bearing plate 13 and the second clamping block 26 in a hinged manner, the hydraulic spring 22 is in a compressed force storage state, the pressure on the hydraulic spring 22 just enables the pressure bearing plate 13 to keep the current position, and water flow can enter the base 10 inner chamber through a through hole in the base 10 and push the pressure bearing plate 13 to move upwards.

Install first fixture block 11 on the fixed block in the base 10 inner chamber, first fixture block 11 with first connecting rod 12 is installed in the articulated between the pressure-bearing plate 13, can respectively through pulling up during the pressure-bearing plate 13 rebound second connecting rod 15 first connecting rod 12 drives second fixture block 26 first fixture block 11 to spout piece 23 department removes, second fixture block 26 to spout piece 23 department removes and makes second fixture block 26 breaks away from prick the slot on the needle piece 25, it can remove downwards after losing limiting displacement to prick needle piece 25 and prick withstand voltage metal film 24.

Since the left and right displacement blocks 16 are completely symmetrical, the right displacement block 16 is taken as an example in the case that no special indication is given below, a limiting rod 17 is installed on the displacement block 16, the limiting rod 17 can slide in the displacement block 16, a displacement spring 18 is installed between the limiting rod 17 and the inner cavity of the displacement block 16 in a connecting manner, the displacement spring 18 is in a compressed force storage state, the first fixture block 11 can be inserted into a clamping groove of the limiting rod 17 and fixes the limiting rod 17, when the first fixture block 11 wants to move at the sliding groove block 23, the first fixture block 11 can be separated from the clamping groove on the limiting rod 17 and loses the limiting, and the limiting rod 17 can move upwards under the action of the displacement spring 18 after losing the limiting.

Cylindricality compression gas pitcher 29 is installed to displacement piece 16 inner chamber, cylindricality compression gas pitcher 29 through threaded engagement with it is fixed between the displacement piece 16, install slide switch piece 30 on the cylindricality compression gas pitcher 29, slide switch piece 30 can reciprocate in the cylindricality compression gas pitcher 29, be equipped with L type air vent in the slide switch piece 30, under the initial condition air vent left end in the slide switch piece 30 is by the fixed block of cylindricality compression gas pitcher 29 inner chamber is stopped up, slide switch piece 30 with connect between the gag lever post 17 and install the string, can drive slide switch piece 30 rebound through the pulling string when gag lever post 17 upwards removes, slide switch piece 30 rebound can make air vent in the slide switch piece 30 with the gaseous intercommunication in the cylindricality compression gas pitcher 29.

An air injection pipe 31 is connected and arranged between the displacement block 16 and the sliding switch block 30, the air injection pipe 31 can redirect the air released in the cylindrical compressed air tank 29, and a certain propelling force can be obtained, and the propelling force can push the displacement block 16 to move in water.

A plurality of vertically symmetrical air cavities 20 are arranged in the displacement block 16, the air cavities 20 can provide enough buoyancy to enable the displacement block 16 to float in water in the upward direction of the air cavities 20, and the symmetrical layout of the air cavities 20 can enable the displacement block 16 to be stable when moving and move according to a preset direction.

Displacement piece 16 with life buoy 21 has been placed between the base 10, when the device did not expand life buoy 21 is in compression fold condition, base 10 with displacement piece 16 can press from both sides tightly life buoy 21, gag lever post 17 plays limiting displacement and prevents base 10 with displacement piece 16 breaks away from, install take-up pulley 19 in the displacement piece 16, take-up pulley 19 with connect between the life buoy 21 and install long rope, unnecessary long rope winding is in on the take-up pulley 19, life buoy 21 with connect between the gas tube 27 and install the air duct.

In one embodiment, in practical use, a person on shore throws the whole device to the vicinity of a person falling into the water, the device sinks in a direction that the spherical compressed gas cylinder 14 faces to the water bottom after falling into the water due to the large mass of the base 10 and the spherical compressed gas cylinder 14, water flows into the lower side of the pressure bearing plate 13 through the through hole on the base 10 and pushes the pressure bearing plate 13 to move upwards, the pressure bearing plate 13 moves upwards to move the second block 26 and the first block 11 through the link transmission, the second block 26 moves to move the puncture needle block 25 downwards to puncture the pressure-resistant metal film 24 and release the compressed gas in the spherical compressed gas cylinder 14, and the first block 11 moves to move the limiting rod 17 upwards and leaves the base 10.

As shown in fig. 4, after the compressed gas in the spherical compressed gas cylinder 14 is released, the life buoy 21 is filled with gas, the life buoy 21 is inflated and then expanded, and the two displacement blocks 16 are respectively pushed out towards two sides, the limiting rod 17 drives the sliding switch block 30 to move through a string in the moving process, the sliding switch block 30 moves to enable the vent hole inside the sliding switch block to be communicated with the gas in the cylindrical compressed gas cylinder 29, the compressed gas in the cylindrical compressed gas cylinder 29 is ejected through the air ejecting pipe 31 to obtain the propelling force for driving the displacement block 16, after the displacement block 16 is pushed into the water by the life buoy 21, under the action of the air cavity 20, the displacement block 16 keeps the floating posture of the air cavity 20, and the air flow ejected through the air ejecting pipe 31 drives the displacement block 16 to rotate around the life buoy 21 while being far away from the life buoy 21, the displacement blocks 16 drive the long ropes on the take-up pulley 19 to be paid out in the process of being away from the life buoy 21, after the long ropes are paid out, the left and right displacement blocks 16 continue to rotate around the life buoy 21, the long ropes between the displacement blocks 16 and the life buoy 21 also move around in the water, and a person falling into the water can pull the life buoy 21 to the side to avoid drowning by pulling one of the long ropes.

In still another embodiment, after each rescue, the spherical compressed gas cylinder 14 and the cylindrical compressed gas cylinder 29 are integrally replaced, and the life buoy 21 is deflated and folded for recycling.

The embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a collapsible life buoy convenient to throw and expand rescue scope, includes base (10), controls two displacement piece (16) of complete symmetry, there is the through-hole of a plurality of connection inner chamber and external environment on base (10), install gas tube (27) between base (10) inner chamber end wall, slidable mounting stabs needle piece (25) in the fixed bolster in gas tube (27), stabs needle piece (25) with install between another fixed bolster in gas tube (27) and aerify spring (28), ball-type compressed gas bottle (14) is installed to base (10) lower extreme, ball-type compressed gas bottle (14) through threaded engagement with base (10) are fixed, install withstand voltage metallic film (24) on the gas outlet on withstand voltage metallic film (24), withstand voltage metallic film (24) can with gas seal in the ball-type compressed gas bottle (14), stab needle piece (25) can be in under the thrust of inflation spring (28) withstand voltage metallic film (24) puncture and release the gas in the ball-type compressed air cylinder (14), gas tube (27) left and right ends, install on gas tube (27) and pass two second fixture blocks (26) of bilateral symmetry of gas tube (27) outer wall, second fixture block (26) can slide in gas tube (27), second fixture block (26) can insert stab the slot on the needle piece (25) and make it fixed.

2. A collapsible life buoy as claimed in claim 1 adapted to be thrown and to extend the rescue range, wherein: the structures in the inner cavity of the base (10) at the left side and the right side of the inflation tube (27) are completely symmetrical, so the structures in the inner cavity of the base (10) at the right side of the inflation tube (27) are taken as examples in the following, a sliding groove block (23) is fixedly arranged in the inner cavity of the base (10), a bearing plate (13) is arranged on the sliding groove block (23), a hydraulic spring (22) is connected and installed between the pressure bearing plate (13) and the sliding groove block (23), a second connecting rod (15) is hinged between the bearing plate (13) and the second clamping block (26), the hydraulic spring (22) is in a compressed force storage state, the pressure on the hydraulic spring (22) just enables the pressure bearing plate (13) to keep the current position, and water flow can enter the inner cavity of the base (10) through the through hole on the base (10) and push the pressure bearing plate (13) to move upwards.

3. A collapsible life buoy as claimed in claim 2 which facilitates throwing and extends rescue range, wherein: install first fixture block (11) on the fixed block in base (10) inner chamber, first fixture block (11) with articulated first connecting rod (12) of installing between pressure-bearing plate (13).

4. A collapsible life buoy as claimed in claim 3 which facilitates throwing and extends rescue range, wherein: install gag lever post (17) on displacement piece (16), gag lever post (17) can slide in displacement piece (16), gag lever post (17) with connect between displacement piece (16) inner chamber and install displacement spring (18), displacement spring (18) are in the compression and hold the power state, first fixture block (11) can insert in the draw-in groove of gag lever post (17) and fixed gag lever post (17), first fixture block (11) want during spout piece (23) department removes can make first fixture block (11) break away from draw-in groove on gag lever post (17) to make it lose spacingly, gag lever post (17) lose after spacing can upward movement under the effect of displacement spring (18).

5. A collapsible life buoy as claimed in claim 1 adapted to be thrown and to extend the rescue range, wherein: displacement piece (16) inner chamber is installed cylindricality compressed gas jar (29), cylindricality compressed gas jar (29) through threaded engagement with it is fixed between displacement piece (16), install slide switch piece (30) on cylindricality compressed gas jar (29), be equipped with L type air vent in slide switch piece (30), slide switch piece (30) with connect between gag lever post (17) and install the string.

6. A collapsible life buoy as claimed in claim 5 which facilitates throwing and extends rescue range, wherein: an air injection pipe (31) is connected and installed between the displacement block (16) and the sliding switch block (30), and the air injection pipe (31) can redirect the gas released in the cylindrical compressed gas tank (29).

7. A collapsible life buoy as claimed in claim 1 adapted to be thrown and to extend the rescue range, wherein: a plurality of vertically symmetrical air cavities (20) are arranged in the displacement block (16), and the air cavities (20) can provide enough buoyancy so that the displacement block (16) floats in water in the upward direction of the air cavities (20).

8. A collapsible life buoy as claimed in claim 2 which facilitates throwing and extends rescue range, wherein: displacement piece (16) with life buoy (21) have been placed between base (10), when the device did not expand life buoy (21) are in compression fold condition, base (10) with displacement piece (16) can press from both sides tightly life buoy (21), gag lever post (17) play limiting displacement and prevent base (10) with displacement piece (16) break away from, install take-up pulley (19) in displacement piece (16), take-up pulley (19) with connect between life buoy (21) and install long rope, unnecessary long rope winding is in on take-up pulley (19), life buoy (21) with connect between gas tube (27) and install the air duct.