WO2020133684A1 - 一种智能充气救生马夹 - Google Patents

一种智能充气救生马夹 Download PDF

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Publication number
WO2020133684A1
WO2020133684A1 PCT/CN2019/076935 CN2019076935W WO2020133684A1 WO 2020133684 A1 WO2020133684 A1 WO 2020133684A1 CN 2019076935 W CN2019076935 W CN 2019076935W WO 2020133684 A1 WO2020133684 A1 WO 2020133684A1
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WO
WIPO (PCT)
Prior art keywords
waistcoat
vest
saving
inflatable life
piston
Prior art date
Application number
PCT/CN2019/076935
Other languages
English (en)
French (fr)
Inventor
何光
刘刚
Original Assignee
深圳市其真安全科技有限公司
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Application filed by 深圳市其真安全科技有限公司 filed Critical 深圳市其真安全科技有限公司
Publication of WO2020133684A1 publication Critical patent/WO2020133684A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, 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
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/11—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
    • B63C9/125—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, 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
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device

Definitions

  • the invention relates to the technical field of life-saving vests, and more particularly, to an intelligent inflatable life-saving vest.
  • Life-saving vests are often used to prevent life-saving. Most of the existing life-saving vests are inflatable life-saving products. When a drowning accident occurs, they need to be pulled by hand. However, people are highly nervous when they are in danger in the water, and they may not be able to self Pull to start and lose the life-saving effect.
  • the purpose of the present invention is to provide an intelligent inflatable life-saving vest, which solves the problem that the life-saving vest in the prior art cannot be intelligently inflated, which affects the timeliness of life-saving.
  • an intelligent inflatable life-saving vest which includes a body of a vest for wearing by a user, and at least one airbag chamber for inflation and expansion to generate buoyancy is provided in the body of the vest.
  • An inflator for inflating the airbag chamber and a controller for controlling activation of the inflator are installed on the body of the waistcoat;
  • the inflator includes a sealed gas cylinder for sealing gas and an opening for opening
  • An opening assembly of a sealed gas cylinder the opening assembly includes a movable striker for piercing the sealing cover of the sealed cylinder and a drive mechanism for driving the movement of the striker;
  • the controller includes a control for starting A control circuit of the driving mechanism and a pressure sensor and a tact switch connected to the control circuit for sensing a preset water depth pressure.
  • a reflective belt with warning function is provided on the body of the vest.
  • the body of the vest is provided with a plurality of ventilation holes.
  • the front chest of the body of the vest is provided with a fastening device, and the fastening device includes a zipper, a velcro, a buckle, and/or a drawstring.
  • the back and the front chest of the waistcoat body are respectively composed of an inner layer and an outer layer, and the airbag chamber is formed on the back of the waistcoat body and the inner layer of the front chest Between the outer layer.
  • the two sides of the body of the vest are made of elastic bands, and the inner layer and the outer layer of the back and front chest of the body of the vest are made of TPU composite cloth, respectively.
  • Elastic bands on both sides of the body are spliced with TPU composite fabrics on the back and chest of the body of the waistcoat.
  • the airbag chamber is formed by welding and sealing between the inner layer and the outer layer of the back of the vest body and the front chest.
  • the inflator is installed at the lower end of the back of the body of the waistcoat, the controller is installed at the lower end of the side of the chest of the body of the waistcoat, the controller and all The inflators are connected by electrical wires.
  • the driving mechanism includes a piston cavity and a piston movable in the piston cavity, the firing pin is disposed on a side of the piston facing the sealing cover of the sealed gas cylinder,
  • the firing pin and the piston have an integral structure, and the side of the piston facing away from the sealing cover of the sealed gas cylinder is provided with an electric ignition tube, and the electric ignition tube is connected to the control circuit through an electric wire.
  • the bottom cavity wall of the piston cavity is provided with a wire hole, and the electric wire extends through the wire hole.
  • an elastic member for resetting the piston is provided between the piston and the sealed gas cylinder, and the side cavity wall of the piston cavity is close to the sealing cover of the sealed gas cylinder
  • An air outlet is opened at the position, and the air outlet is connected with the airbag chamber through an air pipe or an air nozzle.
  • the intelligent inflatable life-saving vest of the present invention has the following beneficial effects: the intelligent inflatable life-saving vest of the present invention is configured with a controller and an inflator on the structure, and can automatically inflate and inflate the airbag chamber when needed, manually or according to preset conditions The buoyancy floats the user on the water.
  • Figure 1 is a schematic rear view of the intelligent inflatable life-saving vest of the present invention
  • FIG. 2 is a schematic front view of the intelligent inflatable life-saving vest of the present invention.
  • FIG. 3 is a schematic diagram of the internal structure of the intelligent inflatable life-saving vest of the present invention.
  • FIG. 4 is a schematic structural view of the inflator in the present invention.
  • a preferred embodiment of the present invention provides an intelligent inflatable life-saving waistcoat, which includes a waistcoat body 1 for a user to wear, and at least one for inflating and generating buoyancy is provided in the waistcoat body 1
  • An airbag chamber (not shown in the figure), the airbag chamber is provided on the waistcoat body 1 in a vacuum state.
  • An inflator 2 for inflating an airbag chamber and a controller 3 for controlling activation of the inflator 2 are mounted on the body of the vest 1.
  • the inflator 2 is installed at the lower end of the back of the waistcoat body 1
  • the controller 3 is installed at the lower end of the front chest side of the waistcoat body 1
  • the controller 3 and the inflator 2 are connected by an electrical wire
  • the electrical wire is The conductive metal wire in the prior art. It should be noted that the installation positions of the inflator 2 and the controller 3 may also be at other positions on the body 1 of the waistcoat, which are all within the protection scope of the present invention.
  • the waistcoat body 1 includes a back 11, a front chest 12, and two sides 13.
  • the sides 13 on both sides are made of elastic bands
  • the back 11 and the front chest 12 are made of TPU (Thermoplastic polyurethanes; thermoplastic polyurethane elastomer rubber) composite fabrics existing in the prior art, and the elastic bands and TPU composite fabrics are spliced to each other .
  • TPU thermoplastic polyurethanes; thermoplastic polyurethane elastomer rubber
  • the body 1 of the waistcoat is provided with a reflective belt 4 with a warning function, that is, a warning reflective belt existing in the prior art.
  • the reflective belt 4 is mainly convenient for people to find people who have fallen into the water.
  • the vest body 1 is provided with a plurality of ventilation holes 5 for ventilation, so as to avoid sultry wearing.
  • Both the back 11 and the front chest 12 are provided with ventilation holes 5.
  • the front chest 12 of the waistcoat body 1 is provided with a fastening device 6, which includes a zipper, a velcro, a buckle and/or a drawstring, which is convenient to put on and take off.
  • a fastening device 6 which includes a zipper, a velcro, a buckle and/or a drawstring, which is convenient to put on and take off.
  • the back 11 and the front chest 12 of the waistcoat body 1 are composed of an inner layer and an outer layer, respectively, and an airbag chamber is formed between the inner layer and the outer layer of the back 11 and front chest 12 of the waistcoat body 1.
  • the airbag chamber is formed by welding and sealing between the inner layer and the outer layer of the back 11 and the front chest 12 of the waistcoat body 1.
  • the airbag chamber is formed by welding and sealing between the inner layer and the outer layer of the back 11 and the front chest 12 of the waistcoat body 1 through a high frequency device.
  • the lateral sides 13 of the waistcoat body 1 are composed of elastic bands
  • the inner and outer layers of the back 11 and the front chest 12 of the waistcoat body 1 are respectively composed of TPU composite fabric
  • the lateral sides 13 of the waistcoat body 1 The elastic band is spliced with the TPU composite fabric of the back 11 and the front chest 12 of the waistcoat body 1.
  • the inflator 2 includes a sealed gas cylinder 21 for sealing the gas and an opening assembly for opening the sealed gas cylinder 21.
  • the opening assembly includes a movable lid 22 for piercing the sealed gas cylinder 21.
  • the controller 3 includes a control circuit for controlling the starting drive mechanism, and a pressure sensor and a tact switch connected to the control circuit for sensing a preset water depth pressure.
  • the controller 3 is installed in the housing, and the controller 3 is waterproofed by the housing. At the same time, the controller 3 is also provided with a test button for controlling the collection of the current air pressure value, and the current air pressure is collected as the working pressure by pressing the test button to ensure that the pressure received by the pressure sensor corresponds to the water depth.
  • the controller 3 is also provided with an electrode guide rod for conducting the control circuit. The electrode guide rod conducts when it meets water to ensure the safe operation of the intelligent inflatable life jacket of the present invention.
  • the driving mechanism includes a piston chamber 24 and a piston 25 movable in the piston chamber 24.
  • the firing pin 23 and the piston 25 are of an integrated structure.
  • the firing pin 23 is disposed on the side of the piston 25 facing the sealing cover 22 of the sealed gas cylinder 21, and the piston 25 faces away from the seal
  • An electric ignition tube 26 is provided on one side of the sealing cover 22 of the gas cylinder 21, and the electric ignition tube 26 is connected to the control circuit through an electric wire. .
  • An elastic member 27 for resetting the piston 25 is provided between the piston 25 and the sealed gas cylinder 21, thereby facilitating gas discharge.
  • the elastic member 27 is preferably a spring, and the spring is sleeved on the striker 23; in other embodiments, the elastic member 27 may also be an elastic piece, and the elastic piece is provided with a through hole, and the elastic piece is sleeved on the striker 23 through the through hole.
  • the side cavity wall of the piston cavity 24 close to the sealing cover 22 of the sealed gas cylinder 21 is provided with an air outlet 28, and an air pipe or an air nozzle is connected between the air outlet 28 and the airbag chamber.
  • the electric ignition tube 26 is an electric ignition tube that is more common among civil explosives, and uses an electric detonation method. After detonation, a large amount of gas is generated to do work to push the piston 25.
  • the control circuit is provided with a pulse circuit for generating a pulse current connected to the electric ignition tube 26 through an electric wire.
  • the pulse circuit When the pressure sensor detects that the preset water depth reaches or is manually started, the pulse circuit generates a pulse current to detonate the electric ignition tube 26 and the electric ignition
  • the high-pressure air flow generated by the tube 26 pushes the striker 23 to violently hit the sealed gas cylinder 21 to open the sealed gas cylinder 21 to inflate the airbag chamber.
  • the inflation of the airbag chamber generates buoyancy to support the user to float on the water surface.
  • the intelligent inflatable life-saving horse clip of the present invention is equipped with a controller and an inflator on the structure, and can automatically inflate and inflate the airbag chamber manually or according to preset conditions when necessary to generate buoyancy to float the user on the water.

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

Abstract

一种智能充气救生马夹，包括用于使用者穿戴的马夹本体(1)，在马夹本体(1)内设置有用于充气膨胀产生浮力的至少一气囊腔室，马夹本体(1)上安装有用于为气囊腔室充气的充气器(2)和用于控制启动充气器(2)的控制器(3)；充气器(2)包括用于密封盛装气体的密封气瓶(21)和用于开启密封气瓶(21)的开启组件，开启组件包括用于刺破密封气瓶(21)的封口盖(22)的可移动的撞针(23)以及用于带动撞针(23)移动的驱动机构；控制器(3)包括用于控制启动驱动机构的控制电路以及连接在控制电路上的用于感应预设水深压力的压力传感器和轻触开关。该救生马夹在需要时能够手动或者根据预设条件自动充气，将使用者浮于水面。

Description

一种智能充气救生马夹 技术领域
本发明涉及救生马夹技术领域，更具体地说，涉及一种智能充气救生马夹。
 背景技术
救生马夹常作为预防救生之用，目前已有的救生马夹大多是气胀类救生产品、当发生溺水意外时需人手拉拽启动，但是人在水中遇险时的精神高度紧张，很有可能无法自行拉拽启动，失去救生作用。
 技术问题
本发明的目的在于提供一种智能充气救生马夹，解决了现有技术中的救生马夹无法智能充气导致影响救生的及时性的问题。
 技术解决方案
本发明解决技术问题所采用的技术方案是：一种智能充气救生马夹，包括用于使用者穿戴的马夹本体，在所述马夹本体内设置有用于充气膨胀产生浮力的至少一气囊腔室，所述马夹本体上安装有用于为所述气囊腔室充气的充气器和用于控制启动所述充气器的控制器；所述充气器包括用于密封盛装气体的密封气瓶和用于开启所述密封气瓶的开启组件，所述开启组件包括用于刺破所述密封气瓶的封口盖的可移动的撞针以及用于带动所述撞针移动的驱动机构；所述控制器包括用于控制启动所述驱动机构的控制电路以及连接在所述控制电路上的用于感应预设水深压力的压力传感器和轻触开关。
在本发明的智能充气救生马夹中，所述马夹本体上设有警示功能的反光带。
在本发明的智能充气救生马夹中，所述马夹本体上设置有多个透气孔。
在本发明的智能充气救生马夹中，所述马夹本体的前胸设有系紧装置，所述系紧装置包括拉链、魔术贴、插扣和/或拉绳。
在本发明的智能充气救生马夹中，所述马夹本体的背部和前胸分别是内层和外层构成的，所述气囊腔室形成在所述马夹本体的背部和前胸的所述内层与外层之间。
在本发明的智能充气救生马夹中，所述马夹本体的两侧侧部是松紧带构成的，所述马夹本体的背部和前胸的内层和外层分别是由TPU复合布料构成，所述马夹本体的两侧侧部的松紧带与所述马夹本体的背部和前胸的TPU复合布料相互拼接。
在本发明的智能充气救生马夹中，所述气囊腔室是由马夹本体的背部和前胸的内层和外层之间经焊接密封形成。
在本发明的智能充气救生马夹中，所述充气器安装于所述马夹本体的背部的下端，所述控制器安装于所述马夹本体的前胸的一侧的下端，所述控制器与所述充气器之间通过电导线相连。
在本发明的智能充气救生马夹中，所述驱动机构包括活塞腔和在所述活塞腔内可移动的活塞，所述撞针设置在所述活塞朝向所述密封气瓶的封口盖的一侧，所述撞针与所述活塞为一体结构，所述活塞背离所述密封气瓶的封口盖的一侧设置有电点火管，所述电点火管通过电导线连接在所述控制电路上，所述活塞腔的底腔壁上开设有导线孔，所述电导线通过所述导线孔伸出。
在本发明的智能充气救生马夹中，所述活塞与所述密封气瓶之间设置有使所述活塞复位的弹性件，所述活塞腔的侧腔壁靠近所述密封气瓶的封口盖的位置开设有出气口，所述出气口与所述气囊腔室之间通过气管或者气嘴相连。
 有益效果
实施本发明的智能充气救生马夹，具有以下有益效果：本发明的智能充气救生马夹在结构上配置有控制器和充气器，在需要时能够手动或者根据预设条件使得气囊腔室自动充气膨胀产生浮力将使用者浮于水面。
 附图说明
图1为本发明的智能充气救生马夹的后视示意图；
图2为本发明的智能充气救生马夹的前视示意图；
图3为本发明的智能充气救生马夹的内部结构示意图；
图4为本发明中充气器的结构示意图。
 本发明的实施方式
下面结合附图和实施例，对本发明的智能充气救生马夹作进一步说明：
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
如图1-3所示，本发明的较佳实施例提供了一种智能充气救生马夹，包括用于使用者穿戴的马夹本体1，在马夹本体1内设置有用于充气膨胀产生浮力的至少一个气囊腔室（图中未标示），气囊腔室是以真空状态设置在马夹本体1上。马夹本体1上安装有用于为气囊腔室充气的充气器2和用于控制启动充气器2的控制器3。具体地，充气器2安装于马夹本体1的背部的下端，控制器3安装于马夹本体1的前胸的一侧的下端，控制器3与充气器2之间通过电导线相连，电导线是现有技术中的导电金属线。需要说明的是，充气器2与控制器3的安装位置也可以在马夹本体1上的其它位置，均在本发明的保护范围之内。
马夹本体1包括背部11、前胸12和两侧侧部13。两侧侧部13是由松紧带制成的，背部11和前胸12是由现有技术已有的TPU（Thermoplastic polyurethanes；热塑性聚氨酯弹性体橡胶）复合布料制成的，松紧带与TPU复合布料相互拼接。
马夹本体1上设有警示功能的反光带4，即现有技术中已有的警示反光带，该反光带4主要便于人们发现落水者。马夹本体1上设置有多个透气孔5，以便透气，避免穿着闷热，背部11和前胸12均设置有透气孔5。
马夹本体1的前胸12设有系紧装置6，系紧装置6包括拉链、魔术贴、插扣和/或拉绳，穿脱方便。
马夹本体1的背部11和前胸12分别是内层和外层构成的，气囊腔室形成在马夹本体1的背部11和前胸12的内层与外层之间。其中，气囊腔室是由马夹本体1的背部11和前胸12的内层和外层之间经焊接密封形成。在其它实施例中，气囊腔室是由马夹本体1的背部11和前胸12的内层和外层之间经高周波设备焊接密封形成。
具体地，马夹本体1的两侧侧部13是松紧带构成的，马夹本体1的背部11和前胸12的内层和外层分别是由TPU复合布料构成，马夹本体1的两侧侧部13的松紧带与马夹本体1的背部11和前胸12的TPU复合布料相互拼接。
如图4所示，充气器2包括用于密封盛装气体的密封气瓶21和用于开启密封气瓶21的开启组件，开启组件包括用于刺破密封气瓶21的封口盖22的可移动的撞针23以及用于带动撞针23移动的驱动机构。控制器3包括用于控制启动驱动机构的控制电路以及连接在控制电路上的用于感应预设水深压力的压力传感器和轻触开关。
控制器3安装在壳体内，通过壳体实现为控制器3防水。同时控制器3还设有用于控制采集当前气压值的测试按钮，通过按动测试按钮采集当前气压作为工作压力，保证压力传感器所受到的压力与水深对应。控制器3上还设有用于导通控制电路的电极导杆，该电极导杆遇水导通，保证本发明的智能充气救生马夹安全运作。
驱动机构包括活塞腔24和在活塞腔24内可移动的活塞25，撞针23与活塞25为一体结构，撞针23设置在活塞25朝向密封气瓶21的封口盖22的一侧，活塞25背离密封气瓶21的封口盖22的一侧设置有电点火管26，电点火管26通过电导线连接在控制电路上，活塞腔24的底腔壁上开设有导线孔，电导线通过导线孔伸出。
活塞25与密封气瓶21之间设置有使活塞25复位的弹性件27，进而便于气体排出。弹性件27优选为弹簧，弹簧套设在撞针23上；其它实施例中弹性件27也可以是弹片，弹片上开设有通孔，弹片通过通孔套设在撞针23上。活塞腔24的侧腔壁靠近密封气瓶21的封口盖22的位置开设有出气口28，出气口28与气囊腔室之间设有气管或者气嘴相连。
电点火管26选用在民用***品中比较常见的电点火管，使用电动引爆的方式，引爆后产生大量的气体做功推动活塞25。
控制电路上设有通过电导线与电点火管26连接的用于产生脉冲电流的脉冲电路，当压力传感器检测到达预设水深或者手动启动时，脉冲电路产生脉冲电流起爆电点火管26，电点火管26产生高压气流推动撞针23猛烈撞击密封气瓶21以开启密封气瓶21对气囊腔室进行充气，气囊腔室充气膨胀产生浮力支撑使用者浮于水面。
本发明的智能充气救生马夹在结构上配置有控制器和充气器，在需要时能够手动或者根据预设条件使得气囊腔室自动充气膨胀产生浮力将使用者浮于水面。
应当理解的是，对本领域技术人员来说，可以根据上述说明加以改进或变换，但这些改进或变换都应属于本发明所附权利要求的保护范围之内。

Claims (10)

  1. 一种智能充气救生马夹，其特征在于，包括用于使用者穿戴的马夹本体（1），在所述马夹本体（1）内设置有用于充气膨胀产生浮力的至少一气囊腔室，所述马夹本体（1）上安装有用于为所述气囊腔室充气的充气器（2）和用于控制启动所述充气器（2）的控制器（3）；所述充气器（2）包括用于密封盛装气体的密封气瓶（21）和用于开启所述密封气瓶（21）的开启组件，所述开启组件包括用于刺破所述密封气瓶（21）的封口盖（22）的可移动的撞针（23）以及用于带动所述撞针（23）移动的驱动机构；所述控制器（3）包括用于控制启动所述驱动机构的控制电路以及连接在所述控制电路上的用于感应预设水深压力的压力传感器和轻触开关。
  2. 如权利要求1所述的智能充气救生马夹，其特征在于，所述马夹本体（1）上设有警示功能的反光带（4）。
  3. 如权利要求1所述的智能充气救生马夹，其特征在于，所述马夹本体（1）上设置有多个透气孔（5）。
  4. 如权利要求1所述的智能充气救生马夹，其特征在于，所述马夹本体（1）的前胸（12）设有系紧装置（6），所述系紧装置（6）包括拉链、魔术贴、插扣和/或拉绳。
  5. 如权利要求1所述的智能充气救生马夹，其特征在于，所述马夹本体（1）的背部（11）和前胸（12）分别是内层和外层构成的，所述气囊腔室形成在所述马夹本体（1）的背部（11）和前胸（12）的所述内层与所述外层之间。
  6. 如权利要求5所述的智能充气救生马夹，其特征在于，所述马夹本体（1）的两侧侧部（13）是松紧带构成的，所述马夹本体（1）的背部（11）和前胸（12）的内层和外层分别是由TPU复合布料构成，所述马夹本体（1）的两侧侧部（13）的松紧带与所述马夹本体（1）的背部（11）和前胸（12）的TPU复合布料相互拼接。
  7. 如权利要求5所述的智能充气救生马夹，其特征在于，所述气囊腔室是由马夹本体（1）的背部（11）和前胸（12）的内层和外层之间经焊接密封形成。
  8. 如权利要求1所述的智能充气救生马夹，其特征在于，所述充气器（2）安装于所述马夹本体（1）的背部（11）的下端，所述控制器（3）安装于所述马夹本体（1）的前胸（12）的一侧的下端，所述控制器（3）与所述充气器（2）之间通过电导线相连。
  9. 如权利要求1所述的智能充气救生马夹，其特征在于，所述驱动机构包括活塞腔（24）和在所述活塞腔（24）内可移动的活塞（25），所述撞针（23）设置在所述活塞（25）朝向所述密封气瓶（21）的封口盖（22）的一侧，所述撞针（23）与所述活塞（25）为一体结构，所述活塞（25）背离所述密封气瓶（21）的封口盖（22）的一侧设置有电点火管（26），所述电点火管（26）通过电导线连接在所述控制电路上，所述活塞腔（24）的底腔壁上开设有导线孔，所述电导线通过所述导线孔伸出。
  10. 如权利要求9所述的智能充气救生马夹，其特征在于，所述活塞（25）与所述密封气瓶（21）之间设置有使所述活塞（25）复位的弹性件（27），所述活塞腔（24）的侧腔壁靠近所述密封气瓶（21）的封口盖（22）的位置开设有出气口（28），所述出气口（28）与所述气囊腔室之间通过气管或者气嘴相连。
PCT/CN2019/076935 2018-12-24 2019-03-05 一种智能充气救生马夹 WO2020133684A1 (zh)

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