CN207775698U - A kind of portable air-inflating type pontoon bridge - Google Patents

Abstract

The utility model provides a portable inflatable pontoon, which includes an airbag, an inflatable tube, and a fixed chain assembly. The airbag is provided with a folding flat plate, which accommodates the airbag therein. The inflatable pontoon is connected by a number of airbags through quick joints. There is a hose at the end of the airbag, and the hoses can be connected by a quick connector. An inflatable tube is installed in the middle of the airbag. A sequence valve is set between the direction valve a and the one-way valve b. The utility model can increase or decrease units according to the length of the pontoon bridge, and the units are connected by quick joints, which can realize a large number of assembling in a short period of time; when the pontoon bridge is in use, it can be quickly inflated and formed, which is very convenient; after use, it can be relied on on the pontoon bridge The foldability of the folding flat panel allows the airbag to be stored inside the flat panel, and at the same time, the unit connection components are also placed in the internal space, and finally the pontoon unit is stored in the form of a small cube.

Description

A portable inflatable pontoon

technical field

The utility model relates to the technical field of floating bridges, in particular to a portable inflatable floating bridge.

Background technique

Floating bridges are the facilities or equipment needed in real life, production and construction, flood rescue and military operations. The floating bridges currently used are roughly as follows: pontoon type, and the pontoon can also be made of metal pontoons, plastic pontoons and other materials. Floating tank; floating body material type, such as plastic foam and other light body materials; inflatable type, airbags are used as floating body and steel plate bridge deck. The shortcoming of the pontoon type pontoon bridge of practical application at present is that volume is larger, weight and heavier are not convenient for storage, transportation and installation. Flood rescue has always been a difficult problem for human beings. Although today's technology is advanced and various rescue and escape equipment emerge in an endless stream, most of them are too expensive to be popularized or inconvenient to carry, and are not suitable for the public. People still adopt simple ropes or straight rods to help trapped persons escape from danger, but when trapped for a long time, when trapped persons lose consciousness or cannot save themselves, rescuers need to approach the trapped persons to implement rescue. The current problem is: there is a lack of a safe passage from the safe zone to the accident point, so that the rescuers cannot quickly approach the trapped people, and even the rescuers and the trapped people are trapped again. At this time, it is particularly important to have a safe passage that can be paved quickly.

Utility model content

The purpose of the utility model is to provide a portable inflatable pontoon with simple structure, fast installation and rapid construction, flexible and variable length, convenient disassembly and assembly, and simple and safe use.

The technical solution of the utility model is a portable inflatable pontoon, which includes an airbag, an inflatable tube, and a fixed chain assembly. The airbag is provided with a folding flat plate, which can be folded from the middle to accommodate the airbag. The inflatable pontoon bridge is formed by connecting several airbags through quick connectors. The ends of the airbags are provided with hoses, and the hoses can be connected through quick connectors. A one-way valve a is provided at the middle of the airbag, and a one-way valve b is provided at the end of the tube, and a sequence valve is arranged between the one-way valve a and the one-way valve b.

Further, the bottom of the airbag is provided with a safety valve and a deflation valve.

Further, a hinge is provided in the middle of the folding plate, and buckle components are provided at both ends. After being folded by the hinge, the foldable plate can form a box, and the lock component can lock the box.

Further, after the folding flat panel is unfolded, the protrusions on the folding flat panel are fixed with the flat panel fixing sleeve.

Compared with the prior art, the utility model has the beneficial effects of:

1. The entire pontoon bridge is in the form of small units, and units can be added or subtracted according to needs, which is more in line with actual needs. Due to the various valves installed inside, there is no need to worry about the air leakage of the pontoon during the replacement of the unit, because the one-way valve can only flow in one direction, so the air storage of each unit is an independent space.

2. Due to the sequence valves installed in each unit, during use, the entire pontoon bridge will not be paralyzed due to the damage and air leakage of a certain unit, just replace the damaged unit.

3. The strength of the traditional inflatable pontoon bridge is generally not enough. When people walk on it, because the airbag is relatively soft and subjected to concentrated load, it will form a more obvious collapse, and pedestrians will walk unstable. The utility model completely fits and fixes the folded flat plate and the upper surface of the air bag, so that the concentrated force of pedestrians when walking is converted into a uniformly distributed load, the force of the floating bridge is stable, and the problem of collapse is solved. In addition, the flat panel can be folded into a box body. By folding, the flat panel can be stored with a smaller footprint, making it easier to store, carry, and transport. At the same time, due to the ingenuity of the design, the fold creates a storage space inside, which can hold the deflated air bag and other external components of the unit.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model in an unfolded state;

Fig. 2 is the front view of the utility model in the expanded state;

Fig. 3 is a top view of the utility model in an unfolded state;

Fig. 4 is a schematic diagram of C-C in Fig. 2 of the utility model;

Figure 5 is a schematic diagram of the overall structure of the utility model in a folded state;

Fig. 6 is a schematic diagram of folding flat panel of the present invention;

Among them, 1-airbag, 2-inflatable tube, 3-fixed chain assembly, 4-hose, 5-quick connector, 6-one-way valve a, 7-one-way valve b, 8-safety valve, 9-deflation Valve, 10-hinge, 11-lock assembly, 12-plate fixed sleeve, 13-sequence valve, 14-folding plate.

Detailed ways

As shown in Figure 1 and Figure 3, the utility model is a portable inflatable pontoon bridge, comprising an air bag 1, an inflatable tube 2, and a fixed chain assembly 3, the air bag 1 is provided with a folding flat plate 14, and the folding flat plate 14 can be The airbag 1 is folded from the middle to be stored therein. The end of the airbag 1 is provided with a hose 4 which can be connected by a quick connector 5 .

As shown in Figures 2 and 4, the inflatable tube 2 is provided with a one-way valve a6 at the middle of the airbag, and a one-way valve b7 is provided at the tail, and the bottom of the airbag 1 is provided with a safety valve 8 and a deflation valve 9, so A sequence valve 13 is arranged between the one-way valve a6 and the one-way valve b7.

As shown in Figures 5 and 6, hinges 10 are provided in the middle of the folding flat panel 14, and snap lock assemblies 11 are provided at both ends. After being folded through the hinges 10, the folding flat panel 14 can form a box, so The snap lock assembly 11 can lock the box body. After the folding flat panel 14 is unfolded, the protrusions on the folding flat panel 14 are fixed with the flat fixing sleeve 12 .

The specific working process of the utility model is as follows: Fig. 5 is the initial storage state of the utility model, the airbag 1 is stored in the box body formed by folding the folding plate 14, and the box body can be locked by the buckle lock assembly 11. The folding flat plate 14 on the upper surface of the airbag 1 can be turned over and folded by the hinge 10. After the flipping is completed, the state is as shown in Figure 1. At this time, the flat plate fixing sleeve 12 can be installed on the protrusion of the folding flat plate 14 to ensure that the folding flat plate 2 remains flat state. After the folding plate 14 is fixed, the quick connection between the two airbags can be realized through the quick connector 5 at the end of the hose 4, and the length of the floating bridge is determined according to specific requirements. After the connection is completed, the floating bridge is fixed by the fixed chain assembly 3 to ensure the stability of the floating bridge in use. The length of the chain does not affect the user's span. After that, use the air pump to inflate at the left end of the pontoon. When the gas just flows into the first pipeline, because the middle and rear part is provided with a sequence valve 13, the sequence valve 13 is triggered by a pressure value. When the pressure value is not enough, the air flow enters the airbag 1 through the one-way valve a in the middle. After the air bag 1 is filled with a certain amount of gas, the pressure value in the entire inflatable tube 2 gradually increases, and the inflation continues. When the internal pressure of the inflatable tube 2 reaches a certain value, the sequence valve 13 opens, and the gas enters the next The one-way valve b7 thus enters the next airbag 1 . At the same time, in order to ensure the safety of the inflation process, a safety valve 8 is installed at the bottom of each airbag 1 to prevent the airbag from bursting due to excessive pressure. A release valve 9 is installed next to the safety valve, and after use, the gas can be discharged through the release valve. After the airbag 1 is destroyed, the previous airbag 1 has a sequence valve 13, and the pressure of the airbag 1 itself is not enough to trigger the sequence valve 13, so the gas in the airbag will not flow out. The latter air bag will not flow back so the gas in the next air bag will not flow back due to the presence of the one-way valve b7 at the front end.

The specific embodiments of the present invention have been described in detail above, but it is only one of the embodiments, and the present invention is not limited to the specific embodiments described above. For those skilled in the art, any equivalent modifications and substitutions to the utility model are also within the scope of the utility model. Therefore, all equivalent transformations and modifications made without departing from the spirit and scope of the present invention shall fall within the scope of the present invention.

Claims (4)

1. A portable inflatable floating bridge, comprising an air bag (1), an inflation tube (2), a fixed chain assembly (3), is characterized in that: the air bag (1) is provided with a folding flat plate (14), and the folding The flat panel (14) can be folded from the middle to accommodate the airbag (1), the end of the airbag (1) is provided with a hose (4), and the hose (4) can be connected by a quick connector (5 ), the middle of the air bag (1) is provided with an inflatable tube (2), the inflatable tube (2) is located in the middle of the air bag and is provided with a one-way valve a (6), and the tail is provided with a one-way valve b (7), A sequence valve (13) is arranged between the one-way valve a (6) and the one-way valve b (7). 2. A portable inflatable pontoon according to claim 1, characterized in that: a safety valve (8) and a deflation valve (9) are provided at the bottom of the air bag (1). 3. A portable inflatable pontoon according to claim 1, characterized in that: a hinge (10) is provided in the middle of the folding flat plate (14), and a buckle assembly (11) is provided at both ends, through the hinge After the pages (10) are folded, the folded flat plate (14) can form a box, and the buckle assembly (11) can lock the box. 4. A portable inflatable pontoon according to claim 1, characterized in that: after the folding flat panel (14) is unfolded, the protrusions on the folding flat panel (14) are fixed with a flat fixing sleeve (12).