CN110143266B

CN110143266B - a water life jacket

Info

Publication number: CN110143266B
Application number: CN201910570022.4A
Authority: CN
Inventors: 蹇开林
Original assignee: Chongqing University
Current assignee: Chongqing University
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2021-02-26
Anticipated expiration: 2039-06-27
Also published as: CN110143266A

Abstract

The invention relates to the technical field of life jackets, and discloses a water life jacket, comprising a life jacket body, a rotatable collar on the life jacket body, and at least two fixing belts are arranged on the collar; There is a guide block for the fixing belt to pass through, and the ends of the two fixing belts away from the collar are detachably connected. The solution mainly solves the problem of damage to the neck of the human body when the current life jacket is used.

Description

Water life jacket

Technical Field

The invention relates to the technical field of life jackets.

Background

The life jacket is a life-saving garment made of nylon fabric or chloroprene rubber, buoyancy material or inflatable material, reflecting material and the like. The service life is generally 5-7 years, and the life-saving device is one of life-saving devices on ships and airplanes. The utility model has enough buoyancy when worn on the body, so that the head of the person falling into water can be exposed out of the water.

At present, the life jacket commonly used in the market is inflatable, has a shape similar to that of a vest, and is convenient to wear on a human body to provide buoyancy for the human body; however, in the actual use process, the existing life jacket does not have a part for protecting the neck; when the life jacket is continuously flapped by seawater, the life jacket can continuously impact the neck of a human body, so that the neck of the human body is seriously damaged.

Disclosure of Invention

The invention aims to provide a water life jacket to solve the problem that the neck of a human body is damaged when the existing life jacket is used.

In order to achieve the above object, the basic scheme of the invention is as follows: a water life jacket comprises a life jacket body, wherein a rotatable neck protecting ring is arranged on the life jacket body, and at least two fixing belts are arranged on the neck protecting ring; two front of a garment departments of life vest body all are equipped with the guide block that is used for the fixed band to pass, two the one end that the collar was kept away from to the fixed band can be dismantled and connect.

The advantages of the basic scheme are:

1. this scheme life vest body is gone up to add and is equipped with the collar of protecting, compares in current life vest, when the sea water lasts to pat the life vest body, the life vest body can last striking human neck, can effectively play the effect of protection to human neck through the collar of protecting.

2. The one end that this scheme was kept away from through two fixed bands and is protected the neck ring passes and connect behind the guide block, can realize the location to protecting neck ring and life vest body simultaneously, and it is more simple and convenient to operate, and the practicality is stronger.

Furthermore, one end of one fixing strap, which is far away from the neck protecting strap, is provided with a positioning piece, and one end of the other fixing strap, which is far away from the neck protecting strap, is provided with a fastening piece clamped with the positioning piece. Through the arrangement, the neck guard ring can be positioned by clamping the positioning piece and the fastening piece, so that the neck of a human body is protected; on the other hand, the fixed band winding is in the waist position of life vest body, and then can also fix a position the life vest body, guarantees that the human body floats on the sea.

Further, all articulated on setting element and the fastener have the swing arm that offsets with the guide block, and all be equipped with first elastic component between two swing arms and setting element, the fastener. Through the arrangement, after the positioning piece is connected with the fastener, the swinging arm is abutted to the guide block, so that the stability of the connection between the positioning piece and the fastener can be further enhanced, and the positioning effect on the neck protecting ring and the life jacket body is further enhanced.

Furthermore, through holes and grooves communicated with the through holes are formed in the two guide blocks, press blocks are connected in the through holes in a sliding mode, and second elastic pieces are arranged between the press blocks and the guide blocks; limiting arms are hinged to the inner walls of the two sides of the through hole and are positioned below the pressing block; a third elastic part is arranged between the limiting arm and the inner wall of the through hole; and a limiting area for limiting the swing arm is formed between the pressing block and the limiting arm.

Through the setting, behind setting element and the fastener joint, the swing arm passes the recess and stretches into the spacing district between briquetting and the spacing arm to this realization is spacing to the swing arm, and then realizes spacing to setting element and fastener, strengthens the location effect to the life vest body with protect the neck ring promptly. When the life jacket body needs to be taken off, the pressing block vertically slides along the path of the through hole, the swing arm is extruded through the pressing block, and the swing arm extrudes the two limiting arms; and continuously extruding the pressing block to enable the two limiting arms to swing and generate gaps, enabling the swing arms to pass through the gaps and move out of the through holes and the grooves, and then pressing the swing arms to ensure that the positioning piece and the fastening piece can be separated from the guide block.

Furthermore, a plurality of auxiliary blocks for guiding the fixing belts are arranged on two sides of the life jacket body. Through the arrangement, the fixing belt sequentially penetrates through the auxiliary blocks, so that the positioning effect on the life jacket body can be further enhanced.

Furthermore, leg fixing mechanisms are symmetrically arranged at the left and right sides of the bottom of the life jacket body. Through the arrangement, the positioning effect on the life jacket body can be further enhanced through the leg fixing mechanism.

Further, the leg fixing mechanism comprises a fixing ring and a supporting belt connecting the fixing ring and the life jacket body. Through the arrangement, the legs of the human body penetrate through the fixing ring, so that the two legs of the human body are positioned in the fixing ring; on the one hand, can strengthen the location effect to the life vest body through the retainer plate, on the other hand, when the life vest body floated on the sea, the life vest body can the rebound under the effect of buoyancy, caused human discomfort, can avoid the life vest body to move up on the sea through the cooperation of retainer plate and support area.

Further, a rubber layer is arranged on the inner wall of the fixing ring. Through the setting, because the rubber layer is flexible material, replace the retainer plate through the rubber layer and directly contact with the human body, the comfort is better.

Further, both sides of the bottom of the life jacket body are provided with first-aid mechanisms, each first-aid mechanism comprises a barrel fixedly connected in the life jacket body, an air bag fixedly connected on the outer wall of the life jacket body and an air pipe communicated with the barrel and the air bag, a reaction chamber is arranged in the barrel, a fixed block is arranged in the reaction chamber, and a sliding block is connected to the fixed block in a sliding manner; the top of the reaction chamber is provided with a water bag, the sliding block is provided with a puncture needle, and the water bag is positioned on the motion track of the puncture needle; sodium azide is arranged in the reaction chamber and is positioned above the fixed plate; the sliding block is provided with a pull rope which penetrates through the cylinder body and the life jacket body; the bottom of the sliding block is provided with a T-shaped air hole.

Through the arrangement, when the life jacket body is punctured or worn by a sharp object, the hand of a human body pulls the pull rope to a proper distance and keeps the pull rope still; the pull rope drives the slide block to move vertically upwards, and the air hole is communicated with the reaction chamber above the fixed plate; the water sac is punctured by the pricking pin on the sliding block, and clear water in the water sac and sodium azide are subjected to chemical reaction in the reaction chamber to generate a large amount of nitrogen; nitrogen enters the air pipe through the air hole and the reaction chamber below the fixing plate, and then enters the air bag through the air pipe, so that the air bag is inflated; can promptly provide buoyancy for the human body through the gasbag that is full of gas to, set up the gasbag and can give the biggest buoyancy for the human body in the both sides position of life vest body bottom, and then guarantee human floating effect.

Furthermore, an elastic band with elasticity is arranged between the fixing ring and the life jacket body, and the elastic band is positioned on the motion track of the expansion of the air bag. Through the arrangement, the air bag expands to extrude the elastic belt, so that the elastic belt deforms; when the elastic band generates the maximum deformation value, the positioning effect on the life jacket body and the fixing ring can be enhanced by matching the expanded air bag with the deformed elastic band, so that discomfort of a human body caused by upward movement of the life jacket body on the sea surface is avoided; moreover, the fixing ring can be prevented from rotating, so that the legs of the human body are prevented from being injured; because the deformation of the elastic band is the maximum value, the air bag continuously expands and can only extend to the two sides of the elastic band under the action of the elastic band, so that the contact area of the air bag and the sea surface is enlarged, and the floating effect on a human body is enhanced.

Drawings

FIG. 1 is a front view of a first embodiment of a water lifejacket of the present invention;

FIG. 2 is a cross-sectional view of the upper swing arm of the fastener extending into the guide block;

FIG. 3 is a cross-sectional view of the guide block;

FIG. 4 is a front view of a second embodiment of a water lifejacket of the present invention;

FIG. 5 is a front view of a third embodiment of a water lifejacket of the present invention;

fig. 6 is a cross-sectional view of the cartridge.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the life jacket comprises a life jacket body 1, a neck guard ring 2, a fixing band 3, a guide block 4, a positioning piece 5, a fastening piece 6, a swing arm 7, a first elastic piece 8, a through hole 9, a groove 10, a pressing block 11, a second elastic piece 12, a limiting arm 13, a third elastic piece 14, a limiting area 15, an auxiliary block 16, a fixing ring 17, a supporting band 18, a cylinder body 19, an air bag 20, an air pipe 21, a reaction chamber 22, a fixing block 23, a sliding block 24, a water bag 25, a puncture needle 26, a pull rope 27, an air hole 28 and an elastic band 29.

Example one

Substantially as shown in figures 1, 2 and 3: a water life jacket comprises a life jacket body 1, wherein a rotatable neck protecting ring 2 is integrally formed at the top of the life jacket body 1, namely the lower end of the neck protecting ring 2 is integrally formed with the life jacket body 1, and the upper end of the neck protecting ring 2 is suspended in the air and is connected with two fixing belts 3; two front flaps of the life jacket body 1 are fixedly connected with guide blocks 4 for the fixing belts 3 to pass through; the two sides of the life jacket body 1 are fixedly connected with a plurality of auxiliary blocks 16 which are used for guiding the fixing belts 3 and are positioned at the waist. One end of the left fixing strap 3 far away from the neck protecting strap 2 is connected with a positioning piece 5, and one end of the right fixing strap 3 far away from the neck protecting strap 2 is connected with a fastening piece 6 clamped with the positioning piece 5.

The positioning piece 5 and the fastening piece 6 are symmetrically hinged with swing arms 7, first elastic pieces 8 are fixedly connected between the two swing arms 7 and the positioning piece 5 and the fastening piece 6, and the first elastic pieces 8 are first springs. The two guide blocks 4 are respectively provided with a through hole 9 and a groove 10 communicated with the through hole 9, a press block 11 is vertically connected in the through hole 9 in a sliding manner, a second elastic part 12 is fixedly connected between the press block 11 and the guide blocks 4, and the second elastic part 12 is a second spring; the inner walls of the two sides of the through hole 9 are hinged with limiting arms 13, and the limiting arms 13 are positioned below the pressing block 11; a third elastic part 14 is fixedly connected between the limiting arm 13 and the inner wall of the through hole 9, and the third elastic part 14 is a third spring; a limiting area 15 for limiting the swing arm 7 is formed between the pressing block 11 and the limiting arm 13, namely the swing arm 7 can penetrate through the groove 10 and extend into the space between the pressing block 11 and the limiting arm 13.

In the embodiment, in order to strengthen the connection of the two side lappets of the life jacket body 1, the two side lappets can be connected in a snap connection mode; a plurality of female buttons are fixedly connected to the left front fly of the life jacket body 1, and a plurality of male buttons clamped with the female buttons are fixedly connected to the right front fly of the life jacket body 1. The middle of the female buckle is provided with a hole; the middle of the male buckle protrudes with a round point which is pressed into a hole of the female buckle for clamping.

The specific implementation process is as follows:

when in use, the life jacket body 1 is sleeved on a human body, then the neck protecting ring 2 is rotated to enable the head of the human body to pass through the neck protecting ring 2, and the two fixing bands 3 on the neck protecting ring 2 are positioned on the back of the human body; the fixing band 3 is pulled to enable the positioning piece 5 and the fastening piece 6 to sequentially penetrate through the auxiliary block 16 and the guide block 4, and then the positioning piece 5 is clamped with the fastening piece 6, so that on one hand, the neck protection ring 2 can be positioned, and the neck of a human body is protected; on the other hand, the fixed band 3 twines in the waist position of life vest body 1, and then can also fix a position life vest body 1, guarantees that the human body floats on the sea.

In addition, after the positioning piece 5 is clamped with the fastening piece 6, the swing arm 7 penetrates through the groove 10 and extends into a limiting area 15 between the pressing block 11 and the limiting arm 13, so that the swing arm 7 is limited, the positioning piece 5 and the fastening piece 6 are limited, and the positioning effect on the life jacket body 1 and the neck guard 2 is enhanced. When the life jacket body 1 needs to be taken off, the pressing block 11 vertically slides along the path of the through hole 9, the swing arm 7 is extruded through the pressing block 11, and the swing arm 7 extrudes the two limiting arms 13; and continuously extruding the pressing block 11 to enable the two limiting arms 13 to swing and generate a gap, enabling the swing arm 7 to pass through the gap and move out of the through hole 9 and the groove 10, and then pressing the swing arm 7, so that the positioning piece 5 and the fastening piece 6 can be separated from the guide block 4.

In this embodiment, the first spring is used for automatic return of the swing arm 7; the second spring is used for automatically resetting the pressing block 11; the third spring is used for automatic resetting of the limiting arm 13.

Example two

As shown in fig. 4, the structure and implementation of the second embodiment are substantially the same as those of the first embodiment, and the difference is that: the bottom bilateral symmetry of life vest body 1 is equipped with shank fixed establishment, and shank fixed establishment includes retainer plate 17 and the support area 18 of connecting retainer plate 17 and life vest body 1, and it has the rubber layer to bond on the inner wall of retainer plate 17, because the rubber layer is flexible material, replaces retainer plate 17 direct and human contact through the rubber layer, and the comfort is better.

The specific implementation process is as follows:

before the life jacket body 1 and the neck protecting ring 2 are positioned; the legs of the human body penetrate through the fixing ring 17, so that the two legs of the human body are positioned in the fixing ring 17, and the life jacket body 1 and the neck protecting ring 2 are positioned in the first embodiment; on the one hand, can strengthen the location effect to life vest body 1 through retainer plate 17, on the other hand, when life vest body 1 floated on the sea, life vest body 1 can the rebound under the effect of buoyancy, led to the fact human discomfort, can avoid life vest body 1 to move up on the sea through retainer plate 17 and the cooperation that supports belt 18.

EXAMPLE III

As shown in fig. 5 and fig. 6, the structure and implementation of the third embodiment are substantially the same as those of the second embodiment, and the difference is that: the emergency treatment device comprises a life jacket body 1, an air bag 20 and an air pipe 21, wherein the two sides of the bottom of the life jacket body 1 are respectively provided with an emergency treatment mechanism, the emergency treatment mechanisms comprise a barrel 19 fixedly connected in the life jacket body 1, the air bag 20 fixedly connected on the outer wall of the life jacket body 1 and the air pipe 21 communicated with the barrel 19 and the air bag 20, a reaction chamber 22 is arranged in the barrel 19, a fixed block 23 is fixedly connected in the reaction chamber 22, and the middle part of the fixed block 23 is; a water bag 25 filled with clear water is bonded on the top of the reaction chamber 22, a puncture needle 26 facing the direction of the water bag 25 is fixedly connected on the slide block 24, and the water bag 25 is positioned on the motion track of the puncture needle 26; sodium azide is placed in the reaction chamber 22 and is positioned above the fixing plate; the slide block 24 is connected with a pull rope 27 which passes through the cylinder 19 and the life jacket body 1, and the position of the pull rope 27 is convenient for a human hand to pull; the bottom of the slider 24 is provided with a T-shaped air hole 28, so that when the slider 24 moves upwards to puncture the water sac 25 through the puncture needle 26, the air hole 28 is communicated with the inside of the reaction chamber 22 above the fixing plate.

An elastic belt 29 is connected between the fixing ring 17 and the life jacket body 1, and the elastic belt 29 is positioned on the expanded motion track of the air bag 20.

The specific implementation process is as follows:

when the life jacket body 1 is punctured or worn by a sharp object, the pull rope 27 is pulled by the hand of a human body to a proper distance and is kept still; the pull rope 27 drives the slide block 24 to move vertically upwards, and the air hole 28 is communicated with the reaction chamber 22 above the fixed plate; the water sac 25 is punctured by the puncture needle 26 on the sliding block 24, and clear water in the water sac 25 and sodium azide chemically react in the reaction chamber 22 to generate a large amount of nitrogen; nitrogen enters the air pipe 21 through the air hole 28 and the reaction chamber 22 below the fixing plate, and then enters the air bag 20 through the air pipe 21, so that the air bag 20 is inflated; the air bags 20 filled with air can provide buoyancy for the human body in an emergency, and the air bags 20 are arranged at the two sides of the bottom of the life jacket body 1 to provide the maximum buoyancy for the human body, so that the floating effect of the human body is ensured.

Furthermore, inflation of the bladder 20 compresses the elastic band 29, causing deformation of the elastic band 29; when the elastic belt 29 has the maximum deformation value, the expanded air bag 20 is matched with the deformed elastic belt 29, so that the positioning effect on the life jacket body 1 and the fixing ring 17 can be enhanced, and further the discomfort of a human body caused by the upward movement of the life jacket body 1 on the sea surface is avoided; in addition, the fixing ring 17 can be prevented from rotating, so that the legs of the human body are prevented from being injured; because the deformation of the elastic belt 29 is the maximum value, the air bag 20 continues to expand and only extends towards two sides of the elastic belt 29 under the action of the elastic belt 29, so that the contact area of the air bag 20 and the sea surface is enlarged, and the floating effect on the human body is enhanced.

The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A water life jacket, comprising a life jacket body, characterized in that: the life jacket body is provided with a rotatable collar, and at least two fixing straps are provided on the collar; The placket is provided with a guide block for the fixing belt to pass through, and the ends of the two fixing belts away from the collar are detachably connected; one end of the fixing belt away from the collar is provided with a positioning piece, and the other fixing belt away from the collar One end of the collar is provided with a fastener that is clamped with the positioning member; both the positioning member and the fastener are hinged with a swing arm that is abutted against the guide block, and the two swing arms are connected between the positioning member and the fastener. Both are provided with a first elastic member; both the guide blocks are provided with through holes and grooves communicating with the through holes, a pressure block is slidably connected in the through holes, and a pressure block is provided between the pressure block and the guide block a second elastic member; limit arms are hinged on both inner walls of the through hole, and the limit arms are located under the pressing block; a third elastic member is arranged between the limit arm and the inner wall of the through hole; the A limit area for limiting the swing arm is formed between the pressing block and the limit arm.

2 . The water life jacket according to claim 1 , wherein a plurality of pairs of auxiliary blocks guided by the fixing belts are provided on both sides of the life jacket body. 3 .

3 . The water life jacket according to claim 2 , wherein the bottom of the life jacket body is symmetrically provided with leg fixing mechanisms. 4 .

4 . The water life jacket according to claim 3 , wherein the leg fixing mechanism comprises a fixing ring and a support belt connecting the fixing ring and the life jacket body. 5 .

5 . The water life jacket according to claim 4 , wherein a rubber layer is provided on the inner wall of the fixing ring. 6 .

6. The water life jacket according to claim 5, characterized in that: both sides of the bottom of the life jacket body are provided with first aid mechanisms, and the first aid mechanisms comprise a cylindrical body fixed in the life jacket body, and a body fixed on the life jacket body. The airbag on the outer wall and the trachea connecting the cylinder body and the airbag are provided with a reaction chamber, and the reaction chamber is provided with a fixing block, and the fixing block is slidably connected with a slider; the top of the reaction chamber is provided with a water bladder, The slider is provided with a needle, and the water bladder is located on the movement track of the needle; the reaction chamber is provided with sodium azide, and the sodium azide is located above the fixing plate; the slider is provided with a passing cylinder The body and the drawstring of the life jacket body; the bottom of the slider is provided with a T-shaped air hole.

7 . The water life jacket according to claim 6 , wherein an elastic band with elasticity is arranged between the fixing ring and the life jacket body, and the elastic band is located on the movement track of the inflated airbag. 8 .