阅读说明：本技术 一种气柱袋式救生衣 (Air column bag type life jacket ) 是由 滑广军 张凯凯 邓文博 李溢豪 付雨菲 于 2019-08-20 设计创作，主要内容包括：本发明公开了一种气柱袋式救生衣,包括主体气柱层一、主体气柱层二、肩带和卡扣件,所述主体气柱层一和主体气柱层二通过肩带连接,在肩带连接的临边位置设有对应匹配的卡扣件。所述主体气柱层一和主体气柱层二由多个气柱室排列组成,并设有充气口与气柱室连通,每一个气柱室与充气口连通的进气口均设有逆止阀。本发明进行创新性的结构设计、功能设计、冗余设计,使得救生衣造价低廉,占用空间小,便于大量储存,充气便捷,充气的气体体积能够达到救生衣总体积的95%以上。而且每个气柱设有独立的进气口及逆止阀,在救生衣某一气柱漏气也不会影响救生衣的救援功能,使得本发明所述气柱袋式救生衣更加安全,容错率高。(The invention discloses an air column bag type life jacket which comprises a first main air column layer, a second main air column layer, shoulder straps and buckle pieces, wherein the first main air column layer and the second main air column layer are connected through the shoulder straps, and the buckle pieces which are correspondingly matched are arranged at the positions close to the edges where the shoulder straps are connected. The first main gas column layer and the second main gas column layer are formed by arranging a plurality of gas column chambers and are provided with inflation ports communicated with the gas column chambers, and each gas column chamber is provided with a check valve at a gas inlet communicated with the inflation ports. The invention carries out innovative structural design, functional design and redundant design, so that the life jacket has low manufacturing cost, small occupied space, convenient and fast inflation and mass storage, and the volume of inflated gas can reach more than 95 percent of the total volume of the life jacket. And each air column is provided with an independent air inlet and a check valve, so that the rescue function of the life jacket cannot be influenced when a certain air column of the life jacket leaks air, so that the air column bag type life jacket is safer and has high fault-tolerant rate.)

1. An air column bag type life jacket is characterized by comprising a first main air column layer, a second main air column layer, shoulder straps and buckle pieces, wherein the first main air column layer and the second main air column layer are connected through the shoulder straps, and the buckle pieces which are correspondingly matched are arranged at the positions close to the edges where the shoulder straps are connected;

the first main gas column layer and the second main gas column layer are formed by arranging a plurality of gas column chambers, each of the first main gas column layer and the second main gas column layer is provided with an inflation inlet communicated with the corresponding gas column chamber, and each gas column chamber is provided with a check valve at a gas inlet communicated with the inflation inlet.

2. The air column bag type life jacket of claim 1, wherein said shoulder straps are inflatable shoulder strap air column layers connected to said first body air column layer and said second body air column layer by heat sealing.

3. The air column bag type life jacket as claimed in claim 2, wherein the air inlet of the shoulder belt air column layer is communicated with the air charging port of the first main body air column layer and/or the second main body air column layer.

4. The air column bag type life jacket of claim 1, wherein said fastener may be a latch, a zipper, a securing strap.

5. The air column bag type life jacket of claim 1 ~ 4, wherein the air column bag type life jacket further comprises a side air column on one side of the first main body air column layer and/or the second main body air column layer, and the side air column comprises a plurality of independent air column chambers with check valves.

6. The air column bag type life jacket of claim 1, wherein said first body air column layer and said second body air column layer are roller heat sealed to form separate air chamber structures; the shoulder straps are fixedly connected with the first main body air column layer and the first main body air column layer through plate-type heat sealing.

7. The air column bag type life jacket of claim 1, wherein the air column bag is made of a PE/PA/PE co-extrusion film, and the joint of the shoulder strap, the buckle, the first main body air column layer and the main body air column layer is made of a PE/PA/PE co-extrusion composite film added with Kevlar fiber.

8. The air column bag jacket as recited in claim 6, wherein said plate heat seal and roller heat seal are at a temperature of 132 ~ 140 ℃ and a pressure of 0.01 ~ 0.2.2 MPa.

9. An air column bag jacket as claimed in claim 2, wherein said shoulder straps are point sealed to form parallel lines.

Technical Field

The invention relates to the technical field of life-saving devices, in particular to an air column bag type life jacket.

Background

The life jacket is also called as life vest, is a life-saving garment, is designed like a vest, is made of nylon fabric or NEOPRENE (NEOPRENE), buoyancy material or inflatable material, reflective material and the like, generally has the service life of 5 ~ 7 years, is one of life-saving equipment on ships and airplanes, is generally of vest type, is made of foam plastics or cork and the like, and has enough buoyancy when being worn, so that the head of a person falling into water can be exposed out of the water.

However, the life jacket made of foam or cork has high cost, large volume, incapability of being folded and compressed, inconvenient carrying, and bad storage after use and easy mildew and damage. The existing life jacket adopts an inflatable type, and the inflatable life jacket can reduce the cost and is convenient to carry. Most of inflatable life jackets are integrated by inflation, potential safety hazards often exist, a plurality of foreign matters often exist in water in the life-saving process, the life jackets are often scratched, the life jackets are possibly scratched, and the whole life jacket leaks air or enters water due to air leakage of one hole, so that the rescue effect of the life jacket is influenced.

Disclosure of Invention

The invention aims to solve the technical problems of insufficient safety, low fault-tolerant rate and inconvenient use in case of emergency of the existing life jacket after being damaged, and provides an air column bag type life jacket.

The purpose of the invention is realized by the following technical scheme:

the utility model provides an air column pocket type life vest, includes main part air column layer one, main part air column layer two, baldric and buckle spare, main part air column layer one and main part air column layer two are connected through shouldering, are equipped with the buckle spare that corresponds the matching at the border position of shouldering the connection. Before the air column bag type life jacket is inflated, the inner film and the outer film of the air column bag structure are attached together, so that the air column bag type life jacket occupies a small space and is easy to carry. After the air is inflated, the volume of the inflated air can reach more than 95% of the total volume of the life jacket, and buoyancy required by national standards of marine life jackets can be provided.

The first main gas column layer and the second main gas column layer are formed by arranging a plurality of gas column chambers and are provided with inflation ports communicated with the gas column chambers, and each gas column chamber is provided with a check valve at a gas inlet communicated with the inflation ports. The air column bag type life jacket has good fault tolerance, each air column chamber is provided with a check valve structure and is mutually independent, and the life-saving function of a certain air column chamber cannot be influenced even if the air column chamber is damaged during use, so that the safety is improved.

Furthermore, the shoulder straps are inflatable shoulder strap air column layers and are connected with the first main body air column layer and the second main body air column layer through heat sealing.

Further, the air inlet of the shoulder belt air column layer is communicated with the inflation inlet of the main body air column layer I and/or the main body air column layer II.

Further, the fastener can be a latch, a zipper, or a fixing string.

Furthermore, the air column bag type life jacket is provided with a side air column on one surface of the main body air column layer I and/or the main body air column layer II, and the side air column is formed by arranging a plurality of independent air column chambers provided with check valves. The side air column can increase the buoyancy provided by the life jacket, thereby meeting the requirements of people with different body types, and simultaneously protecting the first main body air column layer and/or the second main body air column layer to improve the safety of the life jacket.

Furthermore, the shoulder straps and the buckles are fixedly connected with the first main body air column layer and the first main body air column layer through plate-type heat sealing. The first main air column layer and the second main air column layer form independent air chamber structures through roller type heat sealing, a plurality of independent air chamber structures are obtained side by side, and the danger caused by damage of individual air chambers is reduced.

Furthermore, the gas column bag is made of a PE/PA/PE co-extrusion film, and has the characteristics of high strength, good barrier property and heat sealing of two surfaces. The connecting parts of the shoulder straps and the buckling pieces and the first main body air column layer adopt PE/PA/PE co-extrusion composite films added with Kevlar fibers, so that the tearing strength of the co-extrusion films can be greatly improved; and the multiple bending parts are subjected to point-shaped heat sealing, so that the mechanical strength of the parts is improved.

Further, the temperature of the plate heat seal and the roller heat seal is 132 ~ 140 ℃, and the pressure is 0.01 ~ 0.2.2 MPa.

Furthermore, the shoulder straps are sealed by the points to form parallel lines, so that the gas volume at the point-shaped heat sealing position is reduced, the strength of the gas column bag at the point-shaped heat sealing position is low, the life jacket is easy to fold, and the storage space is reduced.

Compared with the prior art, the invention has the following beneficial effects:

the invention creatively adopts the PE/PA/PE co-extrusion film and the PE/PA/PE co-extrusion composite film to form the air column bag through heat sealing, and the life jacket is prepared through the air column bag. Before the air inflation, the inner film and the outer film of the air column bag type life jacket are attached together, so that the occupied space is small, and the air column bag type life jacket is easy to carry. After the life jacket is inflated, the volume of the gas can reach more than 95% of the total volume of the life jacket.

According to the invention, the PE/PA/PE co-extruded film is formed into a plurality of independent air columns through heat sealing treatment, each air column is provided with an independent air inlet and a check valve, and the rescue function of the life jacket cannot be influenced even if a certain air column leaks air when the life jacket is damaged, so that the air column bag type life jacket is safer and has high fault-tolerant rate.

The invention carries out innovative structural design, functional design and redundant design, so that the life jacket is convenient to inflate, occupies small space, is convenient to store in a large scale, and has low manufacturing cost and good life-saving effect. Compared with the traditional life jacket, the life jacket has certain advantages for emergency situations.

Drawings

FIG. 1 is a perspective view of an air column bag-type lifejacket;

fig. 2 is a development view of an air column bag type life jacket;

fig. 3 is a perspective view of an air column bag type life jacket.

Wherein, 1 main body gas column layer one, 2 main body gas column layer two, 3 baldrics, 4 buckle spare, 5 inflation inlet, 6 check valves, 7 side gas columns.

Detailed Description

The following examples are further explained and illustrated, but the present invention is not limited in any way by the specific examples. Unless otherwise indicated, the methods and equipment used in the examples are conventional in the art and all materials used are conventional commercially available materials.