WO2011052845A1

WO2011052845A1 - Tube structure for an inflatable boat and method for manufacturing same

Info

Publication number: WO2011052845A1
Application number: PCT/KR2009/007345
Authority: WO
Inventors: 이희재
Original assignee: 주식회사 우성아이비
Priority date: 2009-10-26
Filing date: 2009-12-09
Publication date: 2011-05-05
Also published as: KR101087497B1; KR20110045189A

Abstract

The present invention relates to a tube structure for an inflatable boat and to a method for manufacturing same, which enable the cover surfaces of inner tubes filled with air to be connected to mutually different materials, and enable bottom tubes on which passengers ride to be connected to side tubes at proximate positions.

Description

Tube structure of pneumatic boat and its manufacturing method

The present invention relates to a tube structure and a manufacturing method of an air-injected boat that connects the cover surface of the inner tube to which the air is injected with different materials and connects the bottom tube and the side tube to which the occupant is in close proximity.

1 is a perspective view showing a conventional air injection boat.

Referring to Figure 1, the conventional air injection boat is utilized by injecting air therein. In the conventional air-injected boat, to solve the weak point of the bottom surface was solved by combining the removable PVC floor reinforcement on the top.

Conventional air injection boats,

First, since the outside of the inner tube formed of PVC is covered with a low-cost vinyl or using expensive fabrics, the choice of the low-cost boat and the high-cost boat is inevitably limited.

Second, the bottom tube of the boat is rounded while driving because the bottom tube, which is the space for the passenger to board, and the side tube that generates the buoyancy cannot be formed and the fabric covering the entire bottom of the boat is sewn and fixed to the side tube. Is formed. Accordingly, the running performance and stability of the boat is deteriorated, the radius of curvature is increased when cornering, and there is a large friction resistance problem.

Third, the cover for covering the outside of the inner tube connects the oxford fabric, which is the fabric, and the PVC coated fabric, which is the fabric at the bottom of the boat, by sewing, so that the connection is not firm and the water penetrates and the oxford fabric There is a drawback that the weight of the boat can be increased by infiltration.

Accordingly, there has been a demand for the development of a pneumatic rubber boat having a tubular structure that improves the bottom shape of the boat to improve driving performance and stability, reduce frictional resistance, and reduce weight and manufacturing cost.

The present invention has been developed to provide a tube structure of the air-injected boat to reduce the cost and weight by increasing the stability and running performance by forming the connection portion with the side so that the bottom shape of the boat to be V-shaped, overlapping in the tube cover .

In the present invention, the air injecting boat having a bottom tube (1100) is injected into the air and the side tube 1200 is connected to both sides of the bottom tube 1100, the air is injected into the side tube, 1200 and the bottom tube 1100 are provided with

tube covers

1120 and 1220 formed to surround the

inner tubes

1110 and 1210 and the

inner tubes

1110 and 1210, respectively, and the bottom tube 1100. And a connection part 1300 provided on the

tube covers

1120 and 1220 to connect the side tube 1200 to each other, wherein the side tube cover 1220 provided on the side tube 1200 is an oxford. A first side tube cover 1221 formed of a material and a second side tube cover 1222 formed of a material coated with polyvinyl chloride (PVC) on the outside of the polyester fiber, and the first side tube Cover 1221 and second side tube cover 1222 Once the cover and bottom tubes of the tube bottom cover 1120 provided in the bottom tube (1100) is characterized in that 1122 it is connected by the connecting portion (1300).

According to an exemplary embodiment of the present invention, the second side tube cover 1222 extends to the inner side in the circumferential direction of the first side tube cover 1221, and the bottom tube cover 1122 is formed on the connecting portion 1300. The second side tube cover 1222 extends in the same direction as the second side tube cover 1222 extending inwardly of the first side tube cover 1221 and extends inwardly of the first side tube cover 1221. ) And the bottom tube cover 1122 are bonded to each other, and a bonding portion is coupled to overlap with the first side tube cover 1221 to form the connection part 1300.

The present invention provides a connection support member 1410 formed of the same material as the bottom tube cover bottom surface 1122 so that the bottom tube cover top surface 1121 of the bottom tube cover 1120 is fixed to the bottom tube cover bottom surface 1122. End is joined to the bottom tube cover bottom surface 1122, and the other end of the connection support member 1410 and one end of the bottom tube cover top surface 1121 are coupled to overlap the reinforcement member 1700 and are connected to each other. 1400 is formed.

According to an exemplary embodiment of the present invention, the second side tube cover 1222 extends toward the inner side along the circumferential direction of the first side tube cover 1221 on the side opposite to the direction in which the connecting portion 1300 is formed. A reinforcing member 1700 is provided on an outer surface of the first side tube cover 1221 at a portion where the side tube cover 1221 and the second side tube cover 1222 overlap each other, and the first side tube cover 1221 is provided. The second side tube cover 1222 and the reinforcement 1700 are combined to overlap each other, and a sealing unit 1500 is formed.

The present invention is formed so that a portion of the first side tube cover 1221 is folded to the outer side of the first side tube cover 1221, the reinforcement 1700 is provided on the outer side of the folded portion is reinforced strength It is characterized by forming (1600).

According to the present invention, the connection part 1300 and the seal part 1500 are formed at positions corresponding to each other based on an extension line connecting the strength reinforcement part 1600 from the cross-sectional center of the side tube 1200. It is characterized by.

According to the present invention, the second side tube cover 1222 and the bottom tube cover 1222 are joined to each other at the connection part 1300, and one end of the connection support member 1410 and the bottom tube cover 1112 are respectively connected to each other. The mutual bonding site | part is characterized by joining by any one method chosen from high frequency bonding, thermal bonding, and bonding by an adhesive agent.

The present invention provides a method of manufacturing a tube of an air-injection boat, comprising: (a) fabricating a tube cover (1120, 1220) fabric of the outside of the polyester fiber coated with polyvinyl chloride (PVC); (b) a high frequency bonding step of interconnecting the side tube cover 1220 and the bottom tube cover 1120 by mutually high frequency bonding of the fabrics prepared in step (a); (c) a tube cover coupling step of forming the side tube cover 1220 by overlapping the fabric prepared in the step (a) and the oxford fabric by overlapping and sewing with a thread; (d) mutually bonding one end of the fabric prepared in step (a) with the bottom tube cover bottom surface 1122, and overlapping the other end opposite to the bonded portion with the bottom tube cover top surface 1121 overlapping the bottom. Supporting an upper end of a bottom tube cover connecting an upper surface of the tube cover 1120; Characterized in that it comprises a.

The tube structure of the air-injected boat according to the present invention,

First, since Oxford fabric material and PVC coated boat fabric material are connected to the connection part and the suture part to form the cover of the side tube, the cost is relatively reduced and the overall weight of the boat is reduced compared to the conventional covering method. .

Second, since the side tube and the bottom tube are connected to each other by bonding the adjacent bottom surface with a PVC coated fabric, the bottom surface of the boat forms a V shape without spreading widely in a U shape. This improves the stability of the boat, increases the running performance, and reduces the frictional resistance. In addition, the rotational curvature radius is shortened without slipping during rotation, and the turning capability is excellent.

Third, the connection support is formed to connect the upper end of the bottom tube with the lower end, so that the bottom tube cover can be firmly fixed without moving according to the flow of the inner tube, thereby improving the passenger's riding comfort.

Fourth, since a part of the side tube cover is formed to be folded and provided with a reinforcing material, the strength of the side tube is improved and there is an aesthetic effect by the attachment of the reinforcing material. In addition, the reinforcement may prevent this from being damaged by the occupant's body in the folded tube cover.

Fifth, it is possible to increase the stability by forming the position of the connecting portion and the sealing portion in a mutually corresponding position, there is an advantage that can be firmly connected because the side tube and the bottom tube is connected to the adjacent bottom surface by using a high-frequency junction.

1 is a perspective view showing a conventional pneumatic boat.

2 is a perspective view showing an air-injected boat according to the present invention.

3 is a plan view showing an air-injected boat according to the present invention.

Figure 4 is a front view of the air injection boat according to the present invention from the front.

5 is an enlarged cross-sectional view showing a cross-sectional view along the line A-A 'of the pneumatic boat shown in FIG.

1: Pneumatic boat 2: PVC reinforcement

1000: Pneumatic Boat

1100: bottom tube 1110: bottom inner tube

1120: bottom tube cover 1121: bottom tube cover

1122: bottom tube cover 1200: side tube

1210: side inner tube 1220: side tube cover

1221: first side tube cover 1222: second side tube cover

1300: connection 1400: connection support

1410: connection support member 1500: seam

1600: strength reinforcement 1700: reinforcement

In general, an air-injected boat is a type of small ship, in which air is injected into the hull to float on the water by buoyancy of the air. When moving or storing on land, it is widely used because it is easy to store and move because it reduces the volume by releasing air.

Such air-injected boats are generally formed with a side tube into which air is injected around the passenger's boarding space, and a bottom tube to form a bottom surface at the bottom of the boarding space. When the air is injected into the tube, the boat floats due to the buoyancy of the injected air and is configured to allow the occupant to move on board.

Hereinafter, with reference to the drawings for the tube structure of the air-injected boat of the present invention to solve the problems of the conventional air-injected boat will be described in detail with reference to the drawings.

2 is a perspective view showing an air injection boat according to the present invention, FIG. 3 is a plan view showing an air injection boat according to the present invention, FIG. 4 is a front view of the air injection boat according to the present invention as viewed from the front, and FIG. The enlarged cross section which shows AA 'cross section of the air injection boat shown in FIG.

2 to 5, the air injecting boat 1000 includes a bottom tube 1100 and a side tube 1200. The bottom tube 1100 is a portion that forms a boarding space for the occupant to ride, and the side tube 1200 is connected to both sides of the bottom tube 1100 in the longitudinal direction to obtain sufficient buoyancy air. Implies Accordingly, air is injected into the bottom tube 1100 and the side tube 1200.

Referring to FIG. 5, the side tube 1200 and the bottom tube 1100 may include tube covers 1120 and 1220 formed to surround the

inner tubes

1110 and 1210 and the

inner tubes

1110 and 1210, respectively. do. As shown in FIG. 5, the side inner tube 1210 formed inside the side tube 1200 may be formed to have a circular cross section, and the bottom inner tube 1110 formed inside the bottom tube 1100. The honeycomb structure may be formed, but the

inner tubes

1110 and 1210 may be formed in various shapes within a range capable of obtaining buoyancy by injecting air therein. The

inner tubes

1110 and 1210 are preferably formed of polyvinyl chloride (PVC). Polyvinyl chloride (PVC) refers to a homopolymer of vinyl chloride and a copolymer containing 50% or more of vinyl chloride, also called vinyl chloride resin. However, even if the homopolymer, the properties vary depending on the molecular weight. The polymerization is carried out using a peroxide and an azo acid catalyst, and polymerization is also carried out by irradiation of light or alpha rays. There are two types of polymerization methods: emulsification polymerization and suspension polymerization, which disperse the heat of polymerization by dispersing vinyl chloride in water. Polyvinyl chloride (PVC) is mostly used as a soft product to which plasticizers are added. It is a sheet or film for packaging and agriculture. It is inferior in cold resistance and extensibility compared with polyethylene products, but is excellent in transparency and strength. Therefore, due to such a property, it may be used as a material of the

inner tubes

1110 and 1210.

Referring to FIG. 5, connection parts 1300 are formed in the tube covers 1120 and 1220 to connect the bottom tube 1100 and the side tube 1200. A detailed configuration of the connection unit 1300 will be described later. The side tube cover 1220 provided on the side tube 1200 may include a first side tube cover 1221 surrounding the top of the side inner tube 1210 and a bottom surface of the side inner tube 1210. It may include two side tube cover (1222). The first side tube cover 1221 is formed of an oxford material, and the second side tube cover 1222 is formed of a material coated with polyvinyl chloride (PVC) on the outside of the polyester fiber. desirable. Polyester is a general term for a polymer compound in which an ester group is a linking group, and a polyester resin for paint and a coating plate such as diallyphthalate also belong to polyester. Polyester-based synthetic fibers may be composed of ethylene glycol and terephthalic acid. Polyvinyl chloride (PVC) has already been described above. Oxford is a name for cotton fabrics collectively known as woven plain or basket-woven cotton fabrics. Normally white is produced, but wefts are made of clear wefts (wefts) and white warp yarns (oxford champrays), or checks or stripes are added. Basket weave, also known as lion weave, ajaji, and chilja weave, is a change of the plain weave. . In this basket weave Oxford paper, which is also made of rayon. In addition, the bottom tube cover 1120 provided in the bottom tube 1100 is preferably the bottom tube cover upper surface 1121 is formed of the same Oxford (oxford) material as the first side tube cover 1221. In addition, it is preferable that the bottom tube cover 1122 is formed of a material coated with polyvinyl chloride (PVC) on the outside of the polyester fiber, which is the same material as the second side tube cover 1222.

Referring to FIG. 5, one end of the first side tube cover 1221 and the second side tube cover 1222 and a bottom tube cover 1112 of the bottom tube cover 1120 provided on the bottom tube 1100 are provided. ) May be connected by the connection unit 1300. In the connection part 1300, the second side tube cover 1222 extends to the inner side along the circumferential direction of the first side tube cover 1221, and the bottom tube cover bottom surface 1122 is the first side tube. It may extend in the same direction as the second side tube cover 1222 extending inwardly of the cover 1221. As such, it is preferable that the second side tube cover 1222 and the bottom tube cover bottom surface 1122 having the same material extend in the same direction and are bonded to each other. A bonding method between the second side tube cover 1222 and the bottom tube cover bottom surface 1122 may be selected by any one of high frequency bonding, thermal bonding, and bonding by an adhesive. In the conventional case, when connecting the bottom tube and the side tube, it is necessary to connect a material coated with different materials such as oxford material and polyester fiber with polyvinyl chloride (PVC). Was common. In contrast, the present invention has the advantage of utilizing a variety of bonding methods, such as high-frequency bonding, thermal bonding, bonding by an adhesive because the interconnection of the material coated with a polyvinyl chloride (PVC) on the outside of the polyester fiber of the same material .

Referring to FIG. 5, the connection part 1300 is bonded to the second side tube cover 1222 and the bottom tube cover lower surface 1122 extending in the same direction by the above-described method, and then the bonding portion is formed by 1 may be combined to overlap the side tube cover 1221. The method of joining the joining portion and the first side tube cover 1221 positioned to overlap the upper portion of the joining portion is preferably stitched together and connected by a sewing machine. As shown in FIG. 5, a double structure is formed by folding an end of the first side tube cover 1221 positioned to overlap the upper portion of the joining portion in order to secure the coupling of the connection part 1300. Afterwards, an embodiment of connecting to a sewing machine may be considered. Referring to FIG. 4, a portion in which the side tube 1200 and the bottom tube 1100 are connected to each other by the connection of the connection part 1300 may be pulled up to have a shape upward. Accordingly, when viewed from the front, the bottom surface of the air injection boat 1000 may be V-shaped. As such, when the bottom surface of the air injection boat 1000 has a V shape, stability and driving performance may be improved. In addition, the frictional area with the water surface is reduced, which reduces the frictional resistance. Cornering also has the advantage of shortening the radius of curvature and turning stably.

Referring to FIG. 5, a connection support 1400 may be selectively formed on the bottom tube cover 1120. The bottom tube cover 1120 is a bottom tube cover top surface 1121 formed to surround the top of the bottom inner tube 1110 and a bottom tube cover bottom surface 1122 surrounding the bottom surface of the bottom inner tube 1110. It may be provided. The connection support 1400 serves to fix the bottom tube cover top surface 1121 to the bottom tube cover bottom 1122. The connection support 1400 is one end of the connection support member 1410 formed of a material coated with polyvinyl chloride (PVC) on the outside of the polyester fiber of the same material as the bottom tube cover 1112. The tube cover may be joined to the bottom surface 1122. The bonding method between one end of the connection support member 1410 and the bottom tube cover bottom surface 1122 is the same as the bonding method between the second side tube cover 1222 and the bottom tube cover bottom surface 1122. It can be selected by any one of bonding, thermal bonding, bonding with an adhesive. It is preferable that the other end of the connection support member 1410 and one end of the bottom tube cover upper surface 1121 are coupled to overlap and surround the reinforcement 1700 to form a connection support 1400. The other end of the connection support member 1410, one end of the bottom tube cover upper surface 1121, and the coupling method of the reinforcement 1700 may be connected by a sewing machine. The reinforcing material 1700 may be formed of various materials within a range that can be utilized as an additional material for coupling the connection support 1400.

Referring to FIG. 5, the side tube cover 1220 may be selectively provided with a sealing unit 1500. As described above, one end of the first side tube cover 1221 and the second side tube cover 1222 may be connected by the connection part 1300. Therefore, coupling between the other ends of the first side tube cover 1221 and the second side tube cover 1222 that are not connected by the connection unit 1300 is required. Accordingly, the second side tube cover 1222 may have an inner surface along the circumferential direction of the first side tube cover 1221 at a side opposite to the direction in which the connecting portion 1300 is formed with respect to the side tube 1200. It can be extended to. In addition, as in the connecting portion 1300 to fold the end of the first side tube cover 1221 inward to form a double structure to secure the coupling of the sealing unit 1500, and then connected by a sewing machine Embodiments may be considered. It is preferable that a reinforcement 1700 is provided on an outer surface of the first side tube cover 1221 at a portion where the first side tube cover 1221 and the second side tube cover 1222 overlap. The reinforcement 1700 is as described above in the connection support 1400. In addition, the sealing unit 1500 is coupled to overlap the first side tube cover 1221, the second side tube cover 1222, the reinforcing material 1700, the coupling method is preferably connected by a sewing machine. .

Referring to FIG. 5, a strength reinforcement 1600 may be selectively provided on the first side tube cover 1221. The strength reinforcing portion 1600 is formed so that a portion of the first side tube cover 1221 is folded to the outer side of the first side tube cover 1221, the reinforcement 1700 is formed on the outer side of the folded portion It is preferable that it is provided and provided. Since the reinforcing material 1700 is the same as that of the connection support 1400 and the suture 1500 described above, it will be omitted. The strength reinforcing part 1600 serves to supplement the strength of the side tube cover 1220 by pulling the first side tube cover 1221 in tension. As a reference line with an extension line connecting the strength reinforcement part 1600 from the center of the cross section of the side tube 1200, the positions at which the connection part 1300 and the suture part 1500 are formed are formed at positions corresponding to each other. desirable. Therefore, an angle formed by the strength reinforcement 1600, the connection 1300, and the suture 1500 may be 120 degrees, or may be formed at various angles. However, the connection part 1300 may be formed at a position corresponding to the suture part 1500 so that the center of gravity can be grasped to increase the stability of the air-injected boat 1000.

Referring to Figures 2 to 5 the manufacturing method of the tube of the air injection boat is as follows.

(A) by coating the outside of the polyester fiber with polyvinyl chloride (PVC) to produce the tube cover (1120, 1220) fabric.

(b) High frequency bonding of the fabrics prepared in step (a) to each other to interconnect the side tube cover 1220 and the bottom tube cover 1120. As described above, the bonding method may utilize various methods such as thermal bonding, bonding with an adhesive, as well as high frequency bonding.

(c) overlapping the fabric and the Oxford fabric prepared in step (a) overlap and sewn with a thread to combine the side tube cover (1220).

(d) bonding one end of the fabric fabricated in step (a) to the bottom tube cover bottom surface 1122 and overlapping the other end opposite to the bonded portion to overlap the bottom tube cover top surface 1121. The upper surface of the bottom tube cover 1120 is connected.

In addition, as described above, the coupling of the suture unit 1500 and the strength reinforcement unit 1600, which may be selectively provided, may be superimposed and sewed together with a thread.

The technical idea should not be interpreted as being limited to the above-described embodiment of the present invention. Various modifications may be made at the level of those skilled in the art without departing from the spirit of the invention as claimed in the claims. Therefore, such improvements and modifications fall within the protection scope of the present invention, as will be apparent to those skilled in the art.

Claims

In the air injection boat having a bottom tube (1100) to be injected into the air and the side tube (1200) connected to both sides of the bottom tube (1100) and the air is injected therein,

The side tube 1200 and the bottom tube 1100 are provided with tube covers 1120 and 1220 formed to surround the inner tubes 1110 and 1210 and the inner tubes 1110 and 1210, respectively, and the bottom tube. It is provided with a connecting portion 1300 provided in the tube cover (1120, 1220) to connect the (1100) and the side tube 1200,

The side tube cover 1220 provided in the side tube 1200 is coated with polyvinyl chloride (PVC) on the outside of the first side tube cover 1221 formed of an oxford material and polyester fiber. It is provided with a second side tube cover 1222 formed of a material,

One end of the first side tube cover 1221 and the second side tube cover 1222 and the bottom tube cover 1112 of the bottom tube cover 1120 provided on the bottom tube 1100 are connected to the connecting portion ( 1300, the tube structure of the air-injected boat, characterized in that connected by.
The method of claim 1,

The second side tube cover 1222 extends to the inner side along the circumferential direction of the first side tube cover 1221, and the bottom tube cover 1122 is connected to the connection part 1300. Extend in the same direction as the second side tube cover 1222 extending inwardly of the cover 1221,

The second side tube cover 1222 and the bottom tube cover bottom surface 1122 which extend inwardly of the first side tube cover 1221 are bonded to each other, and a bonding portion is joined to the first side tube cover 1221. The tube structure of the air-injected boat, characterized in that coupled to overlap to form the connecting portion (1300).
The method of claim 2,

The bottom tube cover top surface 1121 of the bottom tube cover 1120 is fixed to the bottom tube cover bottom 1122,

One end of the connection support member 1410 formed of the same material as the bottom tube cover bottom surface 1122 is mutually bonded to the bottom tube cover bottom surface 1122,

The other end of the connection support member (1410) and one end of the bottom tube cover upper surface (1121) is coupled to the reinforcement (1700) is wrapped so that the connecting support portion (1400) is formed, the tube structure of the air injection boat.
The method of claim 3, wherein

The second side tube cover 1222 extends to the inner side along the circumferential direction of the first side tube cover 1221 on the side opposite to the direction of forming the connecting portion 1300,

A reinforcing member 1700 is provided on an outer surface of the first side tube cover 1221 at a portion where the first side tube cover 1221 and the second side tube cover 1222 overlap each other.

The first side tube cover (1221), the second side tube cover (1222), the reinforcing member (1700) is coupled to overlap the tube structure of the air-injected boat, characterized in that the sealing portion (1500) is formed.
The method of claim 4, wherein

A portion of the first side tube cover 1221 is folded to an outer side of the first side tube cover 1221, and a reinforcement 1700 is provided on an outer side of the folded portion to provide strength reinforcement 1600. Tube structure of the air-injected boat, characterized in that forming a.
The method of claim 5,

The position where the connection part 1300 and the suture part 1500 are formed is formed at a position corresponding to each other based on an extension line connecting the strength reinforcement part 1600 from the center of the cross section of the side tube 1200. Tube structure of a pneumatic boat.
The method according to any one of claims 1 to 6,

A joint portion between the second side tube cover 1222 and the bottom tube cover bottom surface 1122 at the connection part 1300;

One end portion of the connection support member 1410 and the bottom tube cover bottom surface 1122 may be bonded to each other.

A tube structure of an air-injected boat, which is bonded by any one method selected from among high frequency bonding, thermal bonding, and bonding by an adhesive.
In the method of manufacturing the tube of the air-injected boat,

(A) fabricating the tube cover (1120, 1220) fabric for coating the outside of the polyester fiber with polyvinyl chloride (PVC);

(b) a high frequency bonding step of interconnecting the side tube cover 1220 and the bottom tube cover 1120 by mutually high frequency bonding of the fabrics prepared in step (a);

(c) a tube cover coupling step of forming the side tube cover 1220 by overlapping the fabric prepared in the step (a) and the oxford fabric by overlapping and sewing with a thread;

(d) mutually bonding one end of the fabric prepared in step (a) with the bottom tube cover bottom surface 1122, and overlapping the other end opposite to the bonded portion with the bottom tube cover top surface 1121 overlapping the bottom. Supporting an upper end of a bottom tube cover connecting an upper surface of the tube cover 1120;

Method for producing a tube structure of an air-injected boat comprising a.