WO2022041724A1

WO2022041724A1 - Double-air chamber inflatable kayak

Info

Publication number: WO2022041724A1
Application number: PCT/CN2021/084613
Authority: WO
Inventors: 刘朋
Original assignee: 威海荣创海洋科技有限公司
Priority date: 2020-08-24
Filing date: 2021-03-31
Publication date: 2022-03-03
Also published as: CN213139080U

Abstract

A double-air chamber inflatable kayak, comprising a first air chamber (1), a second air chamber (2), and a connecting portion (3). The first air chamber (1) and the second air chamber (2) have the same structure, are laterally symmetrical in position, and are assembled with each other; the first air chamber (1) and the second air chamber (2) are connected integrally by means of the connecting portion (3); an open hollow cockpit (9) is formed between the first air chamber (1) and the second air chamber (2), and can accommodate a human being; the first air chamber (1) and the second air chamber (2) each comprise a bending portion, and both the first air chamber (1) and the second air chamber (2) can form an "L"-shaped structure; moreover, the two are connected integrally by means of the connecting portion (3) to form a "U"-shaped structure, and to also form the hollow cockpit (9) capable of accommodating a human being.

Description

A double airbag inflatable boat

technical field

The present application relates to a water sports equipment, in particular to a double airbag inflatable boat.

Background technique

With the improvement of living standards, inflatable boats are favored by more and more people who love to play at sea. Inflatable boats have the advantages of light weight, small size, and flexible activities on the water. However, most of the inflatable boats on the market are buoy-type, and their materials are ordinary air-tight cloth, which has low strength and safety. There are inflatable boats made of wire drawing materials, but they generally have three or more airbags, the structure is complex, and there is no modeling structure, and the strength after inflation is low.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a double airbag inflatable boat to solve the problems of low strength and safety of the inflatable boat in the related art.

The present application provides a double-airbag inflatable boat, which includes a first airbag, a second airbag, and a connecting portion. The first airbag and the second airbag have the same structure, are symmetrically positioned left and right, and are spliced with each other. and the second airbag are connected together through the connecting portion, and an open hollow cockpit is formed between the first airbag and the second airbag, which can accommodate a human body;

Both the first airbag and the second airbag include a bent portion, the first airbag and the second airbag can both form an "L"-shaped structure, and the two are connected together through the connecting portion to form a whole. The "U"-shaped structure also forms the hollow cockpit that can accommodate the human body.

Further, the bending portion includes a notch, an airtight strip and a protection strip, the notch is arranged on one side of the outer surfaces of the first airbag and the second airbag, and the airtight strip is bonded to the The outer side of the first air bag and the second air bag is sealed, and the gap is sealed, and the protection strip is bonded to the outer side of the first air bag and the second air bag, and covers the outside of the airtight strip .

Further, the air-tight strip is of a gradient structure, the middle of the air-tight strip is wider and the ends are narrower, forming a gradient structure with a slope, so that the first airbag and the second airbag will meet each other. Produces a gradient bend effect.

Further, the connecting portion includes an inner layer connecting bar and an outer layer connecting bar, two ends of the inner layer connecting bar are respectively connected with the first air bag and the second air bag, and then the first air bag and the second air bag are respectively connected. The second airbag is connected to one body, and both ends of the outer layer connecting strip are respectively connected with the first airbag and the second airbag, and are covered outside the inner layer connecting strip, further connecting the The first airbag and the second airbag are connected in one piece.

Further, the connecting portions include two, and the two connecting portions are respectively disposed on the inner side and the outer side of the hollow cabin formed by the first airbag and the second airbag.

Further, a protective cap is also included, and two protective caps are provided, and the two protective caps are respectively fixedly connected to the outer sides of the bow and stern of the double-airbag inflatable boat.

Further, a bow connecting strip is also included, the bow connecting strip is arranged on the inner side of the bow and the stern of the double airbag inflatable boat, and is arranged between the first airbag and the second airbag.

Further, it also includes air nozzles, there are two air nozzles, and the two air nozzles are respectively disposed in the first air bag and the second air bag, and are the first air bag and the second air bag. Airbag inflates and deflates.

Further, the material of the first air bag and the second air bag is a wire drawing material space cloth.

Compared with the related art, the beneficial effects achieved by the present application are:

The present application provides a double airbag inflatable boat. Due to the reduced number of airbags and the simple structure, the inflation efficiency is improved, and due to the structure of the double airbag, the double airbag inflatable boat of the present application has higher hardness. In addition, in the double-airbag inflatable boat provided by the present application, the bow and stern are provided with bow connecting strips to make a curved surface, which has a better fluid curve effect and reduces rowing resistance.

Description of drawings

Fig. 1 is the side view of the double airbag inflatable boat provided by this application;

Fig. 2 is the top view of the double airbag inflatable boat provided by this application;

Fig. 3 is the bottom view of the double airbag inflatable boat provided by this application;

Fig. 4 is a sectional view taken along the line B-B shown in Fig. 3;

Fig. 5 is the sectional view of the line A-A shown in Fig. 1;

Fig. 6 is the sectional view of the C-C line shown in Fig. 1;

7 is a cross-sectional view of the first airbag provided by the application;

8 is a cross-sectional view of a second airbag provided by the application;

9 is a schematic diagram of the first airtight strip provided by the present application;

10 is a schematic diagram of the first gap/second gap provided by the application;

Figure 11 is a schematic diagram of the use state of the double airbag inflatable boat provided by the application;

12 is a cross-sectional view of the first airbag according to the second embodiment provided by the application;

FIG. 13 is a cross-sectional view of the second airbag according to the second embodiment provided by the application.

Reference numerals in the figure: first air bag 1, first bending part 10, first gap 11, first airtight strip 12, first protection strip 13, second air bag 2, second bending part 20, second gap 21 , the second airtight strip 22, the second protection strip 23, the connecting part 3, the inner connecting strip 31, the outer connecting strip 32, the protective cap 4, the gas nozzle 5, the handle 6, the skin 7, the bow connecting strip 8 , hollow cockpit 9.

detailed description

Hereinafter, the present application will be further described based on preferred embodiments with reference to the accompanying drawings.

In addition, for the convenience of understanding, various components on the drawings are enlarged (thick) or reduced (thin), but this approach is not intended to limit the protection scope of the present application.

Words in the singular also include the plural and vice versa.

In the description of the embodiments of the present application, it should be noted that, if the terms "up", "down", "left", "right", "inside", "outside", etc. appear, the orientation or positional relationship is based on The orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the application is usually placed in use, is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have The particular orientation, construction and operation in the particular orientation are therefore not to be construed as limitations of the present application. In addition, in the description of the present application, in order to distinguish different units, words such as first and second are used in this specification, but these are not limited by the order of manufacture, nor can they be understood as indicating or implying relative importance, which are in the The name of the application may be different from the detailed description of the application and the claims.

The vocabulary in this specification is used to illustrate the embodiments of the present application, but is not intended to limit the present application. It should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated connection. Ground connection; it can be a mechanical connection, a direct connection, an indirect connection through an intermediate medium, or an internal communication between two elements. For those skilled in the art, the above-mentioned specific meanings in the present application can be specifically understood.

The present application provides a double-airbag inflatable boat, comprising a first airbag 1, a second airbag 2, and a connecting portion 3. The first airbag 1 and the second airbag 2 have the same structure, are symmetrically positioned left and right, and are spliced to each other. The first airbag 1 It is integrally connected with the second airbag 2 through the connecting part 3, and an open hollow cabin 9 is formed between the first airbag 1 and the second airbag 2, which can accommodate the human body.

Example 1

The first airbag 1 includes a first bending portion 10 , the first bending portion 10 includes a first gap 11 , a first airtight strip 12 , and a first protection strip 13 , and the first gap 11 is provided on the outer surface of the first airbag 1 . On the side of the first airbag 1, the first airtight strip 12 is bonded to the outside of the first airbag 1, and the first gap 11 is sealed to ensure the stability of the air pressure inside the first airbag 1, and the first protection strip 13 is bonded to the first airbag. 1 and cover the outside of the first airtight strip 12 to protect the first airtight strip 12 and further increase the stability of the air pressure inside the first airbag 1 .

Preferably, there are multiple first bending portions 10 . It should be noted that the present application does not limit the number of first bending portions 10 . In this embodiment, there are three first bending portions 10 .

Preferably, the numbers of the first gaps 11 , the first airtight strips 12 and the first protection strips 13 correspond to each other. In this embodiment, there are three of the three, and there is a one-to-one correspondence between the three.

The structure of the second airbag 2 is the same as that of the first airbag 1 .

The second airbag 2 includes a second bending portion 20 , the second bending portion 20 includes a second notch 21 , a second airtight strip 22 , and a second protection strip 23 , and the second notch 21 is provided on the outer surface of the second airbag 2 . On the side of the second airbag 2, the second airtight strip 22 is bonded to the outside of the second airbag 2, and the second gap 21 is sealed to ensure the stability of the air pressure inside the second airbag 2, and the second protection strip 23 is bonded to the second airbag. 2 and cover the outside of the second airtight strip 22 to protect the second airtight strip 22 and further increase the stability of the air pressure inside the second airbag 2 .

Preferably, a plurality of second bending parts 20 are provided. It should be noted that the application does not limit the number of the second bending parts 20 . In this embodiment, there are three second bending parts 20 .

Preferably, the numbers of the second gaps 21 , the second airtight strips 22 and the second protection strips 23 correspond to each other. In this embodiment, there are three of the three, and there is a one-to-one correspondence between the three.

Preferably, as shown in FIG. 9 , the first airtight strip 12 and the second airtight strip 22 are of a gradient structure, that is, the first airtight strip 12 and the second airtight strip 22 are wider in the middle and wider at the ends. Narrow, the entirety of the first airtight strip 12 and the second airtight strip 22 forms a gradient structure with a gradient. When the first airtight strip 12 and the second airtight strip 22 are bonded to the first airbag 1 and the second airbag When the two airbags 2 are on the outside, the airtight strips glued to the bow and stern of the hull are narrower, and the airtight strips glued to the midship part of the hull are wider, so that the first airbag 1 and the second airbag 2 will produce gradual changes. The bending effect is achieved, thereby realizing the closure of the bow and stern after the first airbag 1 and the second airbag 2 are connected.

In this embodiment, both the first airbag 1 and the second airbag 2 are provided with three first bending parts 10 and the second bending part 20, and both the first airbag 1 and the second airbag 2 can form an "L"-shaped structure , and the two are connected together through the connecting part 3 to form a "U"-shaped structure, which realizes the streamline shape of the hull, further ensures the stability of the hull, and also forms a hollow cockpit 9 that can accommodate the human body to ensure the stability of the human body.

After the first notch 11 , the first airtight strip 12 and the first protection strip 13 in the first bending part 10 are combined, the second notch 21 , the second airtight strip 22 , the second After the protection strips 23 are combined, the bow and stern of the hull are not deformed, so that the first airbag 1 and the second airbag 2 can be bent and deformed by 80-90 degrees respectively, forming an "L"-shaped structure.

Preferably, the material of the first airtight strip 12 and the first protection strip 13 is PVC mesh cloth.

The first airbag 1 and the second airbag 2 have the same structure, symmetrical positions, and are spliced to each other. An open hollow cockpit 9 is formed between, which can accommodate a human body.

The hollow cabin 9 formed between the first airbag 1 and the second airbag 2 can be enlarged by providing the plurality of first bent portions 10 and the plurality of second bent portions 20, and, as shown in FIG. 10, The first bending part 10 and the second bending part 20 are provided, so that the first airbag 1 and the second airbag 2 are respectively bent for many times, which can increase the rollover stability. Tilt into a plane, after contacting the water surface, under the action of buoyancy, a turning force will be generated, making the hull return to normal.

Preferably, the angle of the first airbag 1 and the second airbag 2 can be adjusted and then connected by the connecting part 3, so that the angle adjustment of the bottom shape can be realized, the usability of the double airbag inflatable boat can be improved, and the design requirements of rowing in different waters can be met.

Specifically, the connecting portion 3 includes an inner layer connecting bar 31 and an outer layer connecting bar 32, two ends of the inner layer connecting bar 31 are respectively connected with the first air bag 1 and the second air bag 2, and then the first air bag 1 and the second air bag 2 are respectively connected. The airbag 2 is connected to one body, and the two ends of the outer layer connecting bar 32 are respectively connected with the first airbag 1 and the second airbag 2, and cover the inner layer connecting bar 31 to further connect the first airbag 1 and the second airbag 2. Connected to one body for further fixing.

Preferably, the outer layer connecting strip 32 is a PVC mesh cloth or a rubber rubber strip.

Preferably, in this embodiment, two connecting parts 3 are provided, and the two connecting parts 3 are respectively disposed on the inner and outer sides of the hollow cabin 9 formed by the first airbag 1 and the second airbag 2 to strengthen the first airbag 1 . and the connection strength between the second air bag 2.

Preferably, the present application provides a double-airbag inflatable boat, further comprising two protective caps 4, and the two protective caps 4 are respectively fixedly connected to the outer sides of the bow and stern of the double-airbag inflatable boat, enhancing the double-airbag inflatable boat. The overall strength of the airbag inflatable boat.

Preferably, the material of the protective cap 4 is plastic or rubber.

Preferably, the present application provides a double-airbag inflatable boat, further comprising air nozzles 5, two air nozzles 5 are provided, and the two air nozzles 5 are respectively disposed in the first airbag 1 and the second airbag 2, and are the first airbag 5. Airbag 1 and second airbag 2 are inflated and deflated.

Preferably, the present application provides a double-airbag inflatable boat, further comprising handles 6, two handles 6 are provided, and the two handles 6 are respectively fixedly connected to the upper ends of the bow and stern of the double-airbag inflatable boat, and are used for the double-airbag inflatable boat. The inflatable boat provides towing support so that the dual airbag inflatable boat can be towed by means of the handle 6 .

Preferably, the present application provides a double airbag inflatable boat, further comprising a skin 7, two skins 7 are provided, and the two skins 7 are respectively fixedly connected to the bow and the stern of the double airbag inflatable boat for preventing Water enters the hollow cockpit 9 of the double-bag inflatable boat.

Preferably, the present application provides a double-airbag inflatable boat, further comprising a bow connecting bar 8, as shown in FIG. Between an airbag 1 and the second airbag 2, the head and tail of the first airbag 1 and the second airbag 2 are tightly pulled, and the first airbag 1 and the second airbag 2 change the bow and the boat through the bow connecting bar 8 The curvature of the stern is deformed, which increases the use efficiency of the product and achieves better water breaking function.

Preferably, the material of the first air bag 1 and the second air bag 2 is a wire drawing material space cloth. The drawing cloth space cloth has two layers of air-tight cloth, and there are a large number of silk threads perpendicular to the surface or angled cross twill in the middle. Instead, a planar cavity structure is formed to ensure the flatness of the surfaces of the first airbag 1 and the second airbag 2 .

Embodiment 2

Please refer to FIG. 12 and FIG. 13 , the present embodiment provides another cutting position of the first notch 11/second notch 21 and the number of the first bending part 10/second bending part 20, the basic structure, The working process and the technical effect obtained are the same as those of the first embodiment, the differences are:

In the first embodiment, the first bending part 10 is realized by the first notch 11 , the first airtight strip 12 and the first protection strip 13 . When the number of the first notches 11 is multiple, the first bending part 10 is The number is also multiple.

In this embodiment, there may be several first notches 10 , but the distance between each of the first notches 10 is relatively short, so that a plurality of first notches 10 with a relatively close distance form a first notches 10 with a higher degree of bending. A bent portion 10, so that the first air bag 1 is closer to the "L"-shaped structure.

Specifically, the first bending portion 10 includes a first gap 11 , a first airtight strip 12 and a first protection strip 13 . The first gap 11 is provided on one side of the outer surface of the first airbag 1 , and the first airtight strip 12 is bonded to the outside of the first air bag 1, and the first gap 11 is sealed to ensure the stability of the air pressure inside the first air bag 1. The first protection strip 13 is bonded to the outside of the first air bag 1 and covers the first air bag 1. In addition to the airtight strip 12 , the first airtight strip 12 is protected to further increase the stability of the air pressure inside the first airbag 1 .

Preferably, the number of the first notches 11 is three, and the distance between two adjacent first notches 11 may be between 2 cm and 6 cm, but the present application does not limit the number and the number of the first notches 11 here. The distance between adjacent first notches 11 .

Preferably, the outer sides of the first gaps 11 are covered by the corresponding first airtight strips 12, and since the distance between the adjacent first gaps 11 in this embodiment is relatively close, the first airtight strips 12 can be overlapped and pasted. .

Preferably, in this embodiment, the number of the first protection strips 13 is one, and the first protection strip 13 is adhered to the outside of the first airtight strips 12 as a whole and wraps several first airtight strips 12 inside. This is beneficial to protect the first airtight strip 12 and enhance the overall wear resistance and strength.

In the first embodiment, the second bending part 20 is realized by the second gap 21 , the second airtight strip 22 and the second protection strip 23 . When the number of the second gap 21 is multiple, the second bending part 20 The number is also multiple.

In this embodiment, there may be several second notches 21, but the distance between each of the second notches 21 is relatively short, so that a plurality of second notches 21 with a closer distance form a second notches 21 with a higher degree of bending. Two bending parts 20, so that the second air bag 2 is closer to the "L"-shaped structure.

Specifically, the second bending portion 20 includes a second gap 21, a second airtight strip 22, and a second protection strip 23. The second gap 21 is provided on one side of the outer surface of the second airbag 2, and the second airtight strip 22 is bonded to the outer side of the second air bag 2, and the second gap 21 is sealed to ensure the stability of the air pressure inside the second air bag 2. The second protection strip 23 is bonded to the outer side of the second air bag 2 and covers the second air bag 2. In addition to the airtight strip 22 , the second airtight strip 22 is protected to further increase the stability of the air pressure inside the second airbag 2 .

Preferably, the number of the second notches 21 is three, and the distance between two adjacent second notches 21 may be between 2 cm and 6 cm, but the present application does not limit the number and the number of the second notches 21 here. The distance between adjacent second notches 21 .

Preferably, the outer sides of the second gaps 21 are covered with corresponding second airtight strips 22, and since the distance between the adjacent second gaps 21 in this embodiment is relatively close, the second airtight strips 22 can be overlapped and pasted. .

Preferably, in this embodiment, the number of the second protection strips 23 is one, and the second protection strip 23 is integrally adhered to the outside of the second airtight strips 22 to wrap several second airtight strips 22 inside. This is beneficial to protect the second airtight strip 22 and enhance the overall wear resistance and strength. The specific embodiments of the present application have been introduced in detail above. For those skilled in the art, without departing from the principles of the present application, several modifications and improvements can be made to the present application, and these modifications and improvements also belong to the present invention. Apply for the scope of protection of the claims.

Claims

A double airbag inflatable boat is characterized in that:

It comprises a first airbag (1), a second airbag (2), and a connecting portion (3). The first airbag (1) and the second airbag (2) have the same structure, are symmetrically positioned left and right, and are spliced to each other, The first airbag (1) and the second airbag (2) are connected together through the connecting portion (3), and the space between the first airbag (1) and the second airbag (2) is An open hollow cockpit (9) is formed, which can accommodate a human body;

Both the first airbag (1) and the second airbag (2) include a bent portion, and both the first airbag (1) and the second airbag (2) can form an "L"-shaped structure, and The two are connected together through the connecting part (3) to form a "U"-shaped structure, and also form the hollow cockpit (9) that can accommodate the human body.
A double airbag inflatable boat according to claim 1, characterized in that,

The bending part comprises a notch, an airtight strip and a protection strip, the notch is arranged on one side of the outer surfaces of the first airbag (1) and the second airbag (2), and the airtight strip is adhered to one side of the outer surface of the first airbag (1) and the second airbag (2). Connected to the outside of the first airbag (1) and the second airbag (2), and sealing the gap, the protection strip is bonded to the first airbag (1) and the second airbag The outer side of (2) is covered outside the airtight strip.
A double airbag inflatable boat according to claim 2, characterized in that,

The airtight strip is of a gradient structure, the middle of the airtight strip is wider and the ends are narrower, forming a gradient structure with a gradient, so that the first airbag (1) and the second airbag are (2) There will be a gradual bending effect.
A double airbag inflatable boat according to claim 1, characterized in that,

The connecting portion (3) includes an inner layer connecting bar (31) and an outer layer connecting bar (32), and two ends of the inner layer connecting bar (31) are respectively connected to the first airbag (1) and the second airbag (1). The two airbags (2) are connected, and then the first airbag (1) and the second airbag (2) are connected into one body, and the two ends of the outer layer connecting strip (32) are respectively connected to the first airbag (1) is connected to the second air bag (2), and covers the inner layer connecting strip (31), and further connects the first air bag (1) and the second air bag (2) to one.
A double airbag inflatable boat according to claim 5, characterized in that,

The connecting portion (3) includes two, and the two connecting portions (3) are respectively disposed in the hollow cabin (9) formed by the first airbag (1) and the second airbag (2). inside and outside.
A double airbag inflatable boat according to claim 1, characterized in that,

It also includes protective caps (4), two protective caps (4) are provided, and the two protective caps (4) are respectively fixedly connected to the outer sides of the bow and stern of the double-airbag inflatable boat.
A double airbag inflatable boat according to claim 1, characterized in that,

It also includes a bow connecting strip (8), which is arranged on the inner side of the bow and stern of the double-airbag inflatable boat, and is arranged on the first airbag (1) and the first airbag (1) and the second airbag. between the two airbags (2).
A double airbag inflatable boat according to claim 1, characterized in that,

It also includes air nozzles (5), two air nozzles (5) are provided, and the two air nozzles (5) are respectively arranged on the first air bag (1) and the second air bag (2) , and inflate and deflate the first airbag (1) and the second airbag (2).
A double airbag inflatable boat according to claim 1, characterized in that,

The materials of the first airbag (1) and the second airbag (2) are wire drawing material space cloth.