CN107117275A - Waters rescue life vest - Google Patents

Waters rescue life vest Download PDF

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Publication number
CN107117275A
CN107117275A CN201710248729.4A CN201710248729A CN107117275A CN 107117275 A CN107117275 A CN 107117275A CN 201710248729 A CN201710248729 A CN 201710248729A CN 107117275 A CN107117275 A CN 107117275A
Authority
CN
China
Prior art keywords
life vest
life
band
vest
solid buoyancy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710248729.4A
Other languages
Chinese (zh)
Inventor
包国平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI XINGTAI SHIPPING EQUIPMENT Co Ltd
Original Assignee
WUXI XINGTAI SHIPPING EQUIPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUXI XINGTAI SHIPPING EQUIPMENT Co Ltd filed Critical WUXI XINGTAI SHIPPING EQUIPMENT Co Ltd
Priority to CN201710248729.4A priority Critical patent/CN107117275A/en
Publication of CN107117275A publication Critical patent/CN107117275A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00Life-saving in water
    • B63C9/08Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/11Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
    • B63C9/115Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses using solid buoyant material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00Life-saving in water
    • B63C9/08Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/11Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00Life-saving in water
    • B63C9/08Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/11Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
    • B63C9/125Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments
    • B63C9/1255Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments inflatable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00Life-saving in water
    • B63C9/08Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/20Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like characterised by signalling means, e.g. lights
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2203/00Communication means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2213/00Navigational aids and use thereof, not otherwise provided for in this class
    • B63B2213/02Navigational aids and use thereof, not otherwise provided for in this class using satellite radio beacon positioning systems, e.g. the Global Positioning System GPS

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

The present invention relates to a kind of waters rescue life vest, the waters rescue life vest includes solid buoyancy life vest(101), the inflatable life jacket(1)On be connected with an inflation triggering device(3);The inflation triggering device(3)On an active call device is installed, the active call device includes one and is installed on inflation triggering device(3)On housing, the active call device includes the wiring board being installed in housing, battery, microprocessor, GPS module and gsm module are installed on the wiring board, there is a water sensor to wear to be connected on housing, and water sensor is connected to microprocessor by wire, the microprocessor is connected by the copper foil line being printed on wiring board with GPS module and gsm module, and the battery is that microprocessor, GPS module and gsm module are powered.A kind of waters rescue life vest of the present invention, is adapted to wearing for a long time and wearing comfort is preferable.

Description

Waters rescue life vest
Technical field
The present invention relates to a kind of rescue life vest(Hereinafter referred to as life vest), solid buoyancy is used more particularly, to one kind The life vest that material and air-filled buoyancy are combined, belongs to life vest technical field.
Background technology
At present, at floods or other overwater accidents scene, participate in flood-fighting, succour disaster-stricken people that is overboard and being besieged by water Member is one of vital task of fire brigade's rescue, and life vest is indispensable dress when fire brigade implements water life-saving task It is standby, but existing life vest is the problem of have a lot, due to rescuing people's failure or rescue personnel's injures and deaths caused by life vest problem Case happen occasionally, summary is got off, and the problem of current life vest is primarily present is:1)Buoyancy is not enough;2)Life vest easily with Wearing personnel are separated;
A kind of " life jacket used by firemen in water areas " is disclosed for this Chinese patent ZL201010197929.X, it utilizes solid Buoyant material and air-filled buoyancy are combined to improve buoyancy, and prevent life vest from mutually being taken off with wearing personnel by the design of crotch band From;
But existing life vest only meets personal lifesaving and used, lifesaving less effective in the personal life vest water of wearing;Therefore it is total Forge and, if conventional life vest is used to rescue with being primarily present problems with:1)Buoyancy is not enough;2)Life vest is easily shifted So that buoyancy arrangement is unreasonable when wearing personnel rescue people;
Therefore, our company has declared the utility model patent ZL of entitled " waters rescue life vest " on the 9th in September in 2015 201520693937.1;It perfectly solves above mentioned problem, and prevents life vest from dressing rescue operations by the design of crotch band In be shifted over and cause buoyancy distribution unreasonable;But, it can only use after man overboard and passively wait for rescue, it is impossible to enter Row is actively called for help, and often misses optimal rescue time, causes occur drowning incident.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency there is provided a kind of can carry out the waters rescue lifesaving of active calling for help Clothing.
The object of the present invention is achieved like this:
A kind of waters rescue life vest, the waters rescue life vest includes solid buoyancy life vest, and the solid is floated Inflatable life jacket is installed, the inflatable life jacket is in an inverted U-shaped structure, the inflation at the neckline of power life vest It is pasted with formula life vest on reflection alarming band, the inflatable life jacket and is connected with an inflation triggering device;The inflation is touched One active call device is installed, the active call device includes a shell being installed in inflation triggering device on transmitting apparatus Body, the active call device includes is provided with battery, microprocessor on the wiring board being installed in housing, the wiring board Device, GPS module and gsm module, have a water sensor to wear and are connected on housing, and water sensor is connected to micro- place by wire Device is managed, the microprocessor is connected by the copper foil line being printed on wiring board with GPS module and gsm module, the electric power storage Pond is that microprocessor, GPS module and gsm module are powered.
Solid buoyancy material, institute are filled with a kind of waters rescue life vest of the present invention, the solid buoyancy life vest State and kit bag is provided with solid buoyancy life vest, can be saved raw waistband, the solid buoyancy life vest are loaded in the kit bag Lap portion be connected with crotch band.
A kind of waters rescue life vest of the present invention, the crotch band includes band of the colligation in wearer leg, described Band constitutes the connect band set on a loop configuration, the band by eye-splice and is connected to solid buoyancy life vest by eye-splice Under lay out, be connected between two bands by elastic band, and elastic band is connected to solid buoyancy life vest by eye-splice Under lay out.
A kind of waters rescue life vest of the present invention, the back of the solid buoyancy life vest is internally provided with collecting bag, Above-mentioned band, connect band and elastic band are accommodated in the collecting bag.
A kind of waters rescue life vest of the present invention, the Life belt is a loop configuration for being provided with gap, described to rescue It is connected between two free ends of raw waistband by frenulum with eye-splice, inflation triggering device is installed on the Life belt.
A kind of waters rescue life vest of the present invention, the inflation triggering device includes triggering inflation mechanism manually;It is above-mentioned Inflation mechanism includes to be opened on a connected with outer casing being fixedly connected on inflatable life jacket or Life belt, the connected with outer casing There is an air flue being connected with the cavity of inflatable life jacket or Life belt, the air flue inward turning is equipped with a gas cylinder, air flue A red needle just to the bottle mouth of gas cylinder is provided with, the head for having a top is in contact with red needle.
A kind of waters rescue life vest of the present invention, above-mentioned manual trigger mechanism includes one by hinge in connection Pull bar on shell, described pull bar one end is connected with a drawstring, and the other end is provided with a fixture block, the top and is provided with a receiving The neck of fixture block.
Compared with prior art, the beneficial effects of the invention are as follows:
The present invention, when occurring overboard dangerous situation, can trigger water sensor, so as to send out the very first time by active call device Send geographical location information to rescue worker, searched and rescued so that rescue worker rushes to search and rescue place the very first time, so as to improve The survival rate of water personnel.Simultaneously present invention optimizes crotch band structure, it is banded on wearer's leg using band, effectively prevents from rescuing It is shifted in raw clothing wearing rescue operations and causes buoyancy distribution unreasonable;Crotch band is attached using eye-splice mode simultaneously, It is easy to dismounting;Elastic band will not be impacted while connection reliability is increased to the action of wearer simultaneously;In addition, The medial surface of solid buoyancy life vest sets the collecting bag for storing band, connect band and elastic band, consequently facilitating the receipts of life vest Receive, it is more convenient when using;In addition, the waistband that increase loop configuration is set, while rescue ability is improved so that wearing is more For safety, comfortably.
Brief description of the drawings
Fig. 1 is a kind of structural representation of waters rescue life vest of the invention.
Fig. 2 is the structure for the inflation triggering device that a kind of waters rescue of the invention is carried with inflatable life jacket on life vest Schematic diagram.
Fig. 3 is the structural representation of the sleeve in a kind of inflation triggering device of waters rescue life vest of the invention.
Fig. 4 is the structural representation of the Life belt on a kind of waters rescue life vest of the invention.
Fig. 5 is the circuit diagram on a kind of waters rescue life vest of the invention.
Wherein:
Solid buoyancy life vest 101, kit bag 102, crotch band 103, Life belt 104, frenulum 105;
Band 103.1, connect band 103.2, elastic band 103.3;
Inflatable life jacket 1, reflection alarming band 2, inflation triggering device 3;
Connected with outer casing 3.1, air flue 3.2, gas cylinder 3.3, red needle 3.4, top 3.5, case 3.6, side top 3.7, top spring 3.8th, sleeve 3.9, locating ring 3.10, neck 3.11, pull bar 3.12, bearing pin 3.13, fixture block 3.14, drawstring 3.15;
Annular element 3.9.1, cylindrical member 3.9.2, slot segmentation 3.9.3.
Embodiment
Referring to Fig. 1 ~ 5, a kind of waters rescue life vest of the present invention, the waters rescue is included with life vest Inflatable life jacket 1, the inflatable are installed at solid buoyancy life vest 101, the neckline of the solid buoyancy life vest 101 Life vest 1 is in be pasted with reflection alarming band 2, the inflatable lifesaving on an inverted U-shaped structure, the inflatable life jacket 1 An inflation triggering device 3 is connected with clothing 1;An active call device is installed in the inflation triggering device 3, the active is exhaled Rescue device and include a housing being installed in inflation triggering device 3, the active call device, which includes, to be installed in housing Wiring board, battery, microprocessor, GPS module and gsm module are installed on the wiring board, have a water sensor to wear It is connected on housing, and water sensor is connected to microprocessor by wire, the microprocessor is by being printed on wiring board Copper foil line be connected with GPS module and gsm module, the battery be microprocessor, GPS module and gsm module power;When After man overboard, water sensor triggering, so that the geographical position that microprocessor is got GPS module by gsm module is believed Breath is sent to long-range rescue worker, is actively called for help so as to realize.
It is filled with solid buoyancy material, the solid buoyancy life vest 101 and sets in the solid buoyancy life vest 101 Have and load the raw waistband 104 that can be saved in kit bag 102, the kit bag 102, the lap portion of the solid buoyancy life vest 101 connects Crotch band 103 is connected to, concretely, the crotch band 103 includes band 103.1 of the colligation in wearer leg, the band 103.1 are made up of with loop configuration eye-splice, and the connect band 103.2 set on the band 103.1 is connected to solid by eye-splice Lay out, be connected between two bands 103.1 by elastic band 103.3 under body buoyancy lifesaving clothing 101, and elastic band 103.3 It is connected under solid buoyancy life vest 101 and is laid out by eye-splice;
It is preferred that, the back of the solid buoyancy life vest 101 is internally provided with collecting bag, above-mentioned band 103.1, connect band 103.2 and elastic band 103.3 be accommodated in the collecting bag;
The Life belt 104 is to pass through between a loop configuration for being provided with gap, two free ends of the Life belt 104 Frenulum 105 is connected with eye-splice, and inflation triggering device 3 is provided with the Life belt 104;In use, tying up in loins, trigger Inflation triggering device 3 can be inflated to waistband;
The inflation triggering device 3 includes inflation mechanism and manual trigger mechanism,
Above-mentioned inflation mechanism includes a connected with outer casing 3.1 being fixedly connected on inflatable life jacket 1 or Life belt 104 (The housing of above-mentioned active call device is installed on the connected with outer casing 3.1), one and inflatable are provided with the connected with outer casing 3.1 The air flue 3.2 that the cavity of life vest 1 or Life belt 104 is connected, the inward turning of air flue 3.2 is equipped with a gas cylinder 3.3, air flue A red needle 3.4 just to the bottleneck of gas cylinder 3.3 is provided with 3.2, the head for having a top 3.5 is in contact with red needle 3.4;
Above-mentioned manual trigger mechanism includes a pull bar 3.12 being articulated with by bearing pin 3.13 on connected with outer casing 3.1, described to draw The one end of bar 3.12 is connected with a drawstring 3.15, and the other end is provided with a fixture block 3.14, the top 3.5 and is provided with a receiving fixture block 3.14 neck 3.11, manual releasing function is increased by manual trigger mechanism, improves security;When needing manual releasing, Drawstring 3.15 is pulled, so that pull bar 3.12 rotates around bearing pin 3.13, fixture block 3.14 drives top 3.5 towards gas cylinder 3.3 Direction is moved, and gas cylinder 3.3 is punctured by red needle 3.4;
In addition:It should be noted that above-mentioned embodiment is only a prioritization scheme of this patent, those skilled in the art Any change or improvement that member is done according to above-mentioned design, within the protection domain of this patent.

Claims (6)

1. a kind of waters rescue life vest, it is characterised in that:The waters rescue life vest includes solid buoyancy lifesaving Clothing(101), the solid buoyancy life vest(101)Neckline at inflatable life jacket is installed(1), the inflatable life jacket (1)In an inverted U-shaped structure, the inflatable life jacket(1)On be pasted with reflection alarming band(2), the inflatable lifesaving Clothing(1)On be connected with an inflation triggering device(3);The inflation triggering device(3)On an active call device is installed, it is described Active call device includes one and is installed on inflation triggering device(3)On housing, the active call device includes installation In being provided with battery, microprocessor, GPS module and gsm module on the wiring board in housing, the wiring board, there is a water logging Sensor, which is worn, to be connected on housing, and water sensor is connected to microprocessor by wire, and the microprocessor is by being printed in Copper foil line on wiring board is connected with GPS module and gsm module, and the battery is microprocessor, GPS module and GSM moulds Block is powered.
2. a kind of waters rescue life vest as claimed in claim 1, it is characterised in that:The solid buoyancy life vest(101) It is interior to be filled with solid buoyancy material, the solid buoyancy life vest(101)On be provided with kit bag(102), the kit bag (102)It is interior to load the raw waistband that can be saved(104), the solid buoyancy life vest(101)Lap portion be connected with crotch band(103).
3. a kind of waters rescue life vest as claimed in claim 2, it is characterised in that:The crotch band(103)Include colligation Band in wearer leg(103.1), the band(103.1)One loop configuration, the band are constituted by eye-splice (103.1)The connect band of upper setting(103.2)Solid buoyancy life vest is connected to by eye-splice(101)Under lay out, two bundle Band(103.1)Between pass through elastic band(103.3)It is connected, and elastic band(103.3)Solid buoyancy is connected to by eye-splice to rescue Raw clothing(101)Under lay out.
4. a kind of waters rescue life vest as claimed in claim 3, it is characterised in that:The solid buoyancy life vest(101) Back be internally provided with collecting bag, above-mentioned band(103.1), connect band(103.2)And elastic band(103.3)It is accommodated in the receipts Receive in bag.
5. a kind of waters rescue life vest as claimed in claim 2, it is characterised in that:The Life belt(104)Opened for one There are the loop configuration of gap, the Life belt(104)Two free ends between pass through frenulum(105)It is connected with eye-splice, The Life belt(104)On inflation triggering device is installed(3).
6. a kind of waters rescue life vest as claimed in claim 5, it is characterised in that:The inflation triggering device(3)Include Inflation mechanism and manual trigger mechanism,
Above-mentioned inflation mechanism includes one and is fixedly connected on inflatable life jacket(1)Or Life belt(104)On connected with outer casing (3.1), the connected with outer casing(3.1)On be provided with one and inflatable life jacket(1)Or Life belt(104)Cavity be connected Air flue(3.2), the air flue(3.2)Inward turning is equipped with a gas cylinder(3.3), air flue(3.2)One is inside provided with just to the gas cylinder(3.3) The red needle of bottleneck(3.4), there is a top(3.5)Head and red needle(3.4)It is in contact;
Above-mentioned manual trigger mechanism includes one by bearing pin(3.13)It is articulated with connected with outer casing(3.1)On pull bar(3.12), The pull bar(3.12)One end is connected with a drawstring(3.15), the other end is provided with a fixture block(3.14), the top(3.5)On It is provided with a receiving fixture block(3.14)Neck(3.11).
CN201710248729.4A 2017-04-17 2017-04-17 Waters rescue life vest Pending CN107117275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710248729.4A CN107117275A (en) 2017-04-17 2017-04-17 Waters rescue life vest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710248729.4A CN107117275A (en) 2017-04-17 2017-04-17 Waters rescue life vest

Publications (1)

Publication Number Publication Date
CN107117275A true CN107117275A (en) 2017-09-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108851275A (en) * 2018-07-05 2018-11-23 长沙紫宸科技开发有限公司 A kind of anti-excessive safety clothes of multifunctional adaptive
CN111829394A (en) * 2020-08-14 2020-10-27 北京普凡防护科技有限公司 Floating type bullet-proof vest and using method thereof
CN112078764A (en) * 2020-09-04 2020-12-15 东台市海鸥航海设备有限公司 Easily accomodate foam life vest with adjustable structure
CN113830254A (en) * 2020-06-23 2021-12-24 江苏百舟安全科技有限公司 Life jacket with automatic inflation and buoyancy tightening device
CN115303450A (en) * 2022-09-05 2022-11-08 吉林省德天诺安全科技有限公司 Electronic control device and control method for inflatable life jacket

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11263292A (en) * 1998-03-17 1999-09-28 Towa Denki Seisakusho:Kk Distress rescue support system
CN2642671Y (en) * 2003-10-17 2004-09-22 梁稼秋 Distress-call device of life jacket
CN101723064A (en) * 2008-10-10 2010-06-09 上海精益电器厂有限公司 GPS maritime life-saving system
CN103738486A (en) * 2014-01-21 2014-04-23 柳州市锋威汽车科技有限公司 Life jacket based on satellite navigation positioning
US8970382B2 (en) * 2010-07-13 2015-03-03 Scio Soft, S.L. Passive security system and equipment on vessels for man over board situations
CN204956884U (en) * 2015-09-09 2016-01-13 泰州市永正救护装备有限公司 Life vest is used in waters rescue
CN105501410A (en) * 2015-12-17 2016-04-20 刘红广 Swimsuit type anti-drowning intelligent life jacket
CN106364641A (en) * 2016-08-23 2017-02-01 刘小曲 Lifesaving apparatus and lifesaving method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11263292A (en) * 1998-03-17 1999-09-28 Towa Denki Seisakusho:Kk Distress rescue support system
CN2642671Y (en) * 2003-10-17 2004-09-22 梁稼秋 Distress-call device of life jacket
CN101723064A (en) * 2008-10-10 2010-06-09 上海精益电器厂有限公司 GPS maritime life-saving system
US8970382B2 (en) * 2010-07-13 2015-03-03 Scio Soft, S.L. Passive security system and equipment on vessels for man over board situations
CN103738486A (en) * 2014-01-21 2014-04-23 柳州市锋威汽车科技有限公司 Life jacket based on satellite navigation positioning
CN204956884U (en) * 2015-09-09 2016-01-13 泰州市永正救护装备有限公司 Life vest is used in waters rescue
CN105501410A (en) * 2015-12-17 2016-04-20 刘红广 Swimsuit type anti-drowning intelligent life jacket
CN106364641A (en) * 2016-08-23 2017-02-01 刘小曲 Lifesaving apparatus and lifesaving method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108851275A (en) * 2018-07-05 2018-11-23 长沙紫宸科技开发有限公司 A kind of anti-excessive safety clothes of multifunctional adaptive
CN113830254A (en) * 2020-06-23 2021-12-24 江苏百舟安全科技有限公司 Life jacket with automatic inflation and buoyancy tightening device
CN111829394A (en) * 2020-08-14 2020-10-27 北京普凡防护科技有限公司 Floating type bullet-proof vest and using method thereof
CN112078764A (en) * 2020-09-04 2020-12-15 东台市海鸥航海设备有限公司 Easily accomodate foam life vest with adjustable structure
CN115303450A (en) * 2022-09-05 2022-11-08 吉林省德天诺安全科技有限公司 Electronic control device and control method for inflatable life jacket

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Application publication date: 20170901

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