WO2021261958A1

WO2021261958A1 - Catamaran having adjustable spacing

Info

Publication number: WO2021261958A1
Application number: PCT/KR2021/008020
Authority: WO
Inventors: 정연우
Original assignee: (주) 모션파이브
Priority date: 2020-06-25
Filing date: 2021-06-25
Publication date: 2021-12-30
Also published as: KR20220000197A; KR102367437B1

Abstract

The present invention provides a catamaran comprising: first and second hulls spaced apart from each other; and an adjusting unit that has both sides to which the first and second hulls are connected and adjusts a spacing between the first and second hulls, wherein the adjusting unit comprises: a first connecting rod having one end rotatably connected to the first hull; a second connecting rod having one end rotatably connected to the second hull; an adjustment body disposed between the first and second connecting rods; a first rotation wheel rotatably disposed on the adjustment body and connected to the first connecting rod; a second rotation wheel rotatably disposed on the adjustment body and connected to the second connecting rod; and a driving unit for rotating the first rotating wheel and the second rotating wheel.

Description

Catamaran with adjustable spacing

The present invention relates to a catamaran, and more particularly, to a catamaran capable of adjusting the spacing between hulls according to storage or transport conditions or sailing conditions.

Recently, with the increase of the leisure population, more and more people enjoy water sports such as rivers, lakes or the sea, and accordingly, sports used in water are also diversifying.

Popular water leisure equipment includes kayaks and surfboards for individuals, and mainly yachts and boats for groups.

On the other hand, from small working ships to huge oil tankers, single-hull types with one hull are mostly used. In the case of a single copper vessel, there is a problem that the boat easily moves due to waves and causes a lot of seasickness when operating in a wave. As a leisure vessel, a catamaran with two hulls connected to the left and right is a form that compensates for the shortcomings of the single copper vessel.

Catamaran has two hulls connected to the left and right, and has an advantage of high stability during operation.

As a prior art for the present invention, Patent Registration No. 10-1814182 can be exemplified.

An object of the present invention is to solve the above problems, and it is an object of the present invention to provide a catamaran capable of adjusting the spacing of the hull according to the storage or transport state or the voyage state.

An object of the present invention is to provide a catamaran that can reduce the space required by narrowing the spacing of the hull during storage or transport.

The present invention in order to achieve the above object, the first and second hulls disposed spaced apart from each other; And on both sides, the first and second hulls are connected, and a control unit for adjusting the spacing between the first and second hulls; Including, wherein the adjusting unit, a first connecting rod having one end rotatably connected to the first hull, and a second connecting rod having one end rotatably connected to the second hull, and the first and second An adjusting body disposed between the connecting rods, a first rotating wheel rotatably disposed on the adjusting body, to which the first connecting rod is connected, and a rotatably disposed on the adjusting body, wherein the second connecting rod comprises: It provides a catamaran including a second rotating wheel connected to, and a driving unit for rotating the first rotating wheel and the second rotating wheel.

The first rotating wheel and the second rotating wheel rotate in opposite directions to each other, and the first and second rotating wheels may be disposed to be inclined downward while proceeding in the direction of the first hull and the second hull.

And an upper portion of the first hull is formed to be inclined upwardly toward the first connecting rod, and an upper portion of the second hull is formed to be inclined upwardly toward the second connecting rod, and the driving unit includes the first rotating wheel and A first belt connected to be interlocked with each other, a second belt connected to be interlocked with the second rotation wheel, and movably disposed inside the control body, the first belt and the second belt on both sides may include a transfer block each connected to, a transfer bolt connected to the transfer block to move the transfer block, and a driving motor to generate a driving force to rotate the transfer bolt.

The drive unit, in contact with one side of the first and second belts, and a tension adjusting roller for maintaining the tension of the first and second belts, and further comprising a propulsion unit disposed on the first and second hulls, respectively can

And the propulsion unit, a driving means for generating a rotational force, one end is disposed under the first and second hulls, the other end is disposed in the stern of the first and second hulls, and a flow path to the inside of the flow path It may include a screw that is disposed, rotates by receiving the rotational force of the driving unit, causes water to flow into one end of the flow path, and then applies pressure to discharge it to the other end.

The present invention as described above can adjust the spacing of the hulls arranged parallel to each other according to the state of the ship, such as during storage, transport, or sailing.

The present invention has the effect of improving the convenience of storage and transport by reducing the space occupied by the catamaran by narrowing the gap between the first hull and the second hull during storage and transport.

In addition, the present invention can pursue the stability of the catamaran by widening the gap between the first hull and the second hull during navigation.

1 is a perspective view showing the configuration of a catamaran according to an embodiment of the present invention.

FIG. 2 is a front view of the catamaran shown in FIG. 1 .

FIG. 3 is a front cross-sectional view taken along line A-A of FIG. 2 .

4 is a view showing an example of the configuration of the adjustment unit used in the catamaran shown in FIG.

FIG. 5 is a configuration diagram illustrating the driving unit of FIG. 4 .

FIG. 6 is an enlarged cross-sectional view of a portion “A” of FIG. 2 .

7 is an enlarged cross-sectional view of a portion "B" of FIG. 2 .

8A to 8C are diagrams illustrating an operation sequence of a catamaran according to an embodiment of the present invention.

9 is a diagram illustrating an example of utilization of a catamaran according to an embodiment of the present invention.

The present invention provides first and second hulls spaced apart from each other; And on both sides, the first and second hulls are connected, and a control unit for adjusting the spacing between the first and second hulls; Including, wherein the adjusting unit, a first connecting rod having one end rotatably connected to the first hull, and a second connecting rod having one end rotatably connected to the second hull, and the first and second An adjusting body disposed between the connecting rods, a first rotating wheel rotatably disposed on the adjusting body, to which the first connecting rod is connected, and a rotatably disposed on the adjusting body, wherein the second connecting rod comprises: It provides a catamaran including a second rotating wheel connected to, and a driving unit for rotating the first rotating wheel and the second rotating wheel.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view illustrating the configuration of a catamaran according to an embodiment of the present invention, and FIG. 2 is a front view of the catamaran shown in FIG.

1 and 2 , the catamaran 100 according to an embodiment of the present invention includes first and

second hulls

110A and 110B, and an adjustment unit 130 .

The first and

second hulls

110A and 110B are arranged parallel to each other, and the spacing between the hulls is adjusted by the adjusting unit 130 to be described later.

The first and second hulls (110A, 110B) are configured to float on water and run at a predetermined speed.

In addition, the first and second hulls (110A, 110B) is made of the same shape and size as each other.

Since the first and

second hulls

110A and 110B have the same configuration, only the configuration of the first hull 110A will be described herein.

The first hull 110A has a predetermined length and width and is configured to float on water. Here, the first hull (110A) is preferably formed in a streamlined shape to float on the water and to facilitate navigation.

The first hull (110A) is not limited to the bar shown in the drawings if it is possible to float on the water, it may be made in various forms.

3 is a front sectional view taken along the line A-A of FIG. 2 , and shows the configuration of the propulsion unit 120 disposed on the first hull 110A.

Referring to FIG. 3 , a propulsion unit 120 for generating thrust may be disposed on the first hull 110A.

The propulsion unit 120 provides a predetermined thrust so that the catamaran 100 according to the present invention can navigate.

The propulsion unit 120 is disposed on the first hull 110A and the second hull 110B, respectively.

The propulsion unit 120 includes a driving means 122 , a flow path 124 , and a screw 126 .

The driving means 122 is disposed inside the first hull (110A). The driving means 122 includes an electric motor operated by power supplied from the outside or an engine operated by burning a predetermined fuel.

The driving means 122 generates a rotational force to rotate the screw 126 to be described later.

A belt pulley type driving force transmission structure is installed between the driving unit 122 and the screw 126 to transmit the driving force of the driving unit 122 to the screw 126 .

The flow path 124, one end is disposed toward the lower portion of the first hull (110A), the other end is disposed at the rear of the first hull (110A). In this case, a predetermined mesh may be disposed at the inlet portion of the flow path 124 to prevent the inflow of foreign substances.

The screw 126 is disposed inside the flow path 124 , and a driving shaft of the driving unit 122 is connected to rotate according to the operation of the driving unit 122 .

Accordingly, water flows into one end of the flow path 124 by the operation of the driving means 122 , and the introduced water is discharged to the other end of the flow path 124 after a predetermined pressure is applied by the screw 126 . , to generate thrust for the navigation of the catamaran 100 .

As described above, the propulsion unit 120 used in the present invention is configured in a water jet manner.

Here, the propulsion units 120 disposed on the first hull 110A and the second hull 110B, respectively, interlock with each other when the catamaran according to the present invention goes straight, but may operate differently when changing directions.

FIG. 4 is a view showing an example of the configuration of an adjustment unit used in the catamaran shown in FIG. 2 , and FIG. 5 is a configuration diagram showing only the driving unit of FIG. 4 .

The adjusting unit 130 may connect the first and

second hulls

110A and 110B, and adjust the connection interval between the first and

second hulls

110A and 110B according to the user's needs.

4 and 5, the adjusting unit 130 includes an adjusting body 132, first and second rotating

wheels

1342A and 1342B, a driving unit 136, a first connecting rod 140A, and a second and a connecting rod 140B.

The adjustment body 132 provides a space inside which the components are disposed.

The adjustment body 132 is disposed between the first and

second hulls

110A, 110B, parallel to the first and

second hulls

110A, 110B. In addition, the adjustment body 132 may be disposed at a higher position than the first and second hulls (110A, 110B).

The first and

second rotation wheels

1342A and 1342B are circular wheels having a predetermined diameter and are respectively disposed on both sides of the inner side of the adjustment body 132 .

The first and

second rotation wheels

1342A and 1342B are disposed to be inclined downward in the direction of the first hull 110A and the second hull 110B.

The first and

second rotation wheels

1342A and 1342B are disposed in plurality at the front and rear sides of the adjustment body 132 , respectively. In this embodiment, it is described that the first and

second rotation wheels

1342A and 1342B are installed as a pair of front and rear, but two or more first and

second rotation wheels

1342A and 1342B may be installed.

First, the configuration of the first rotation wheel 1342A will be described, and only the parts with differences with respect to the second rotation wheel 1342B will be described.

In the present embodiment, the first rotation wheel 1342A is illustrated as being disposed as a pair at the front and rear sides of the adjustment body 132, but may be disposed in more numbers according to the needs of the user.

A predetermined fixing means (not shown) for fixing the first rotation wheel 1342A not to rotate may be disposed on the first rotation wheel 1342A according to the user's need.

A pair of first rotation wheels respectively installed in front and rear of the adjusting body 132 may be linked to each other by a first belt 1344A to be described later having a predetermined length.

The second rotation wheel 1342B is disposed opposite to the first rotation wheel 1342A on the other side inside the control body 132 . The number of arrangement of the second rotating wheel 1342B is the same as that of the first rotating wheel 1342A.

The driving unit 136 generates a driving force so that the first rotation wheel 1342A and the second rotation wheel 1342B can rotate.

Referring to FIG. 5 , the driving unit 136 used in the present invention includes first and

second belts

1344A and 1345A, a transfer block 1346 , a transfer bolt 1348 , and a driving motor M.

The first belt 1344A has a predetermined length, is in contact with the outer circumferential surface of the first rotation wheel 1342A, and allows the first rotation wheel 1342A to rotate. The first belt 1344A is moved by receiving a driving force of a driving unit 136 to be described later, and a plurality of first rotating wheels 1342A are interlocked.

Here, in order to maintain the tension of the first belt 1344A, a tension adjusting roller 1343 in contact with the first belt 1344A with a predetermined pressure may be disposed.

The first belt 1344A is mounted with both sides wound around the pair of first rotation wheels 1342A so that the pair of first rotation wheels 1342A interlock with each other.

The second belt 1345A is mounted with both sides wound around the pair of second rotation wheels 1342A so that the pair of second rotation wheels 1342B interlock with each other.

The first belt 1344A and the second belt 1345A may be made of a rubber material.

In order to prevent a slip phenomenon from occurring between the first and

second rotation wheels

1342A and 1342B and the first and

second belts

1344A and 1345A, the first and

second belts

1344A and 1345A A plurality of protruding pieces may protrude from the inner surface, and teeth engaged with the first and

second belts

1344A and 1345A may protrude from the outer peripheral surfaces of the first and

second rotation wheels

1342A and 1342B.

In addition, according to the needs of the user, the first and

second belts

1344A and 1345A may have a 'V' shape in cross section, and the first and

second rotation wheels

1342A and 1342B are the first belts 1344A. It may be formed in a shape corresponding to the shape.

The transfer block 1346 includes a first transfer block 1346A and a second transfer block 1346B.

A first belt 1344A and a second belt 1345A are connected to both sides of the first transfer block 1346A and the second transfer block 1346B, respectively.

Both sides of the first transfer block 1346A are respectively connected to the inner sides of the first belt 1344A and the second belt 1345A.

In addition, the second transfer block 1346B is connected to the outside of the first belt 1344A and the outside of the second belt 1345A, respectively.

The transfer bolts 1348 are respectively penetrated and connected to the first transfer block 1346A and the second transfer block 1346B. The transfer bolt 1348, the first transfer block 1346A, and the second transfer block 1346B are screw-coupled to each other and as the transfer bolt 1348 rotates, the first transfer block 1346A and the second transfer block 1346A are screwed together. The transfer block 1346B moves along the transfer bolt 1348 . The screwing direction of the transfer bolt 1348 and the first transfer block 1346A and the screwing direction of the transfer bolt 1348 and the second transfer block 1346B are opposite to each other, so that the transfer When the bolt 1348 rotates in one direction, the first transfer block 1346A and the second transfer block 1346B are formed to move in opposite directions.

The driving motor M is connected to the transfer bolt 1348 so that the transfer bolt 1348 rotates in a predetermined direction according to the user's need.

When the driving motor M rotates the transfer bolt 1348, the first transfer block 1346A and the second transfer block connected to the transfer bolt 1348, respectively, according to the rotation of the rotation bolt 1348 ( 1346B moves in opposite directions, and moves the first belt 1344A and the second belt 1345A.

As the first belt 1344A and the second belt 1345A move, the first and

second rotation wheels

1342A and 1342B rotate in opposite directions.

When the first and

second rotation wheels

1342A and 1342B rotate, a first connection rod 140A and a second connection rod 140B respectively connected to the first and

second rotation wheels

1342A and 1342B rotates, and changes the distance between the first hull 110A and the second hull 110B.

In this embodiment, it has been described that the first and

second rotation wheels

1342A and 1342B are rotated using the configuration of the driving motor M, the transfer bolt 1348, and the belt, but the first rotation wheel 1342A The first and second driving motors connected to the and the second rotation wheel 1342B, respectively, may be installed to rotate the first rotation wheel 1342A and the second rotation wheel 1342B.

In this case, the first driving motor and the second driving motor may be operated by a user's manipulation to rotate the first rotating wheel 1342A and the second rotating wheel 1342B. When the first rotation wheel 1342A and the second rotation wheel 1342B are disposed in plurality, each of the plurality of first driving motors and the second driving motors may cooperate with each other.

Here, the first driving motor and the second driving motor operate in opposite directions.

FIG. 6 is an enlarged cross-sectional view of a portion “A” of FIG. 2 , and FIG. 7 is an enlarged cross-sectional view of a portion “B” of FIG. 2 .

4, 6, and 7, the first and second connecting

rods

140A and 140B are formed in the form of rods having a predetermined length and width. The first and second connecting

rods

140A and 140B are respectively disposed on both sides of the adjusting body 132 .

Since the first connecting rod 140A and the second connecting rod 140B have the same configuration, only the configuration of the first connecting rod 140A will be described herein.

One end of the first connecting rod 140A is connected to the first rotating wheel 1342A, and the other end is rotatably connected to a first hull to be described later.

The first connection rod 140A may rotate according to the rotation of the first rotation wheel 1342A when the first rotation wheel 1342A is rotated.

The first rotation wheel 1342A is disposed to be inclined downwardly in the direction of the first hull 110A. In addition, the first connecting rod (140A) connected to the first rotating wheel (1324A) is also arranged to be inclined downward toward the first hull direction.

The first connecting rod 140A is rotatably connected to the first hull 110A. One end of the first connecting rod 140A is rotatably coupled to the first hull 110A through a bearing B.

The upper portion of the first hull 110A is formed in a shape inclined upward toward the first connecting rod 140A. That is, both ends of the first connection rod 140A are rotatably coupled to the control body 132 and the first hull 110A in a state of being inclined upward toward the control body 132 . Accordingly, when the first connecting rod 140A rotates to adjust the distance between the first hull 110A and the second hull 110B, the first and second hulls ( The height for 110A, 110B) is varied. When the interval between the first and

second hulls

110A and 110B is widened, the control body 132 rises, and when the interval between the first and

second hulls

110A and 110B is narrowed, the control body (132) will descend.

Let's look at the operation of the catamaran according to the present invention configured as described above.

8A is a view showing a state in which the spacing between the first and

second hulls

110A and 110B of the catamaran is minimized in order to store or transport the catamaran according to an embodiment of the present invention, and FIG. 8b is an embodiment of the present invention It is a view showing a state in the middle of widening the distance between the first and

second hulls

110A and 110B of the catamaran according to the example, and FIG. It is a diagram showing a state in which is maximized.

Referring to FIG. 8A , the catamaran 100 is a first connecting rod 140A and a second connecting rod 140B in a state in which the gap between the first and

second hulls

110A and 110B is minimized for storage or transport. are also made close to each other. When storing or transporting the catamaran 100, the space occupied by reducing the width of the catamaran is reduced to facilitate storage or transport of the catamaran.

Referring to FIGS. 8B and 8C , for navigation of the catamaran, the user operates as follows.

First, the user operates the driving motor M inside the control body 132 to rotate the transfer bolt 1348 . When the transfer bolt 1348 rotates, the first transfer block 1346A and the second transfer block 1346B connected to the transfer bolt 1348 move in a direction away from each other. As the first transfer block 1346A and the second transfer block 1346B move, the first and

second belts

1344A and 1345A also move, and as the first and

second belts

1344A and 1345A move, the The first rotating wheel 1342A and the second rotating wheel 1342B rotate.

By the rotation of the first rotating wheel 1342A and the second rotating wheel 1342B, one end of the first connecting rod 140A connected to the first rotating wheel 1342A and the second rotating wheel 1342B and The second connecting rod 140B rotates, and the first hull 110A and the second hull 110B connected to the other ends of the first connecting rod 140A and the second connecting rod 140B have an extended interval. can be

Here, the other ends of the first connecting rod 140A and the second connecting rod 140B and the upper portions of the first and

second hulls

110A and 110B are inclinedly connected, so that the first connecting rod 140A and the first connecting rod 140A When each of the two connecting rods 140B rotates based on the first and

second rotation wheels

1342A and 1342B, the height of the adjustment body 132 is gradually increased.

9 is a view showing an example of utilization of the catamaran shown in FIGS. 1 and 2 .

Referring to FIG. 9 , a predetermined seat 1 is disposed on the first connecting rod 140A and the second connecting rod 140B so that a predetermined number of people can ride, so that a predetermined number of people can be boarded. At this time, it is preferable to arrange a safety net in the lower part of the seat 1 to promote the safety of the occupants.

According to the present invention as described above, the space occupied by the catamaran is reduced by adjusting the spacing of the hulls arranged parallel to each other according to the storage, transport, and navigation conditions, and the first hull 110A and the second hull (110A) and the second hull ( 110B), the stability of the catamaran can be pursued by increasing the distance.

Although the present invention has been described with reference to the embodiment shown in the drawings, which is merely exemplary, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

Claims

first and second hulls spaced apart from each other; and

The first and second hulls are connected to both sides, and an adjustment unit for adjusting the spacing between the first and second hulls; including,

The control unit,

a first connecting rod having one end rotatably connected to the first hull;

a second connecting rod having one end rotatably connected to the second hull;

an adjustment body disposed between the first and second connecting rods;

a first rotation wheel rotatably disposed on the control body and connected to the first connecting rod;

a second rotation wheel rotatably disposed on the control body and connected to the second connecting rod;

Catamaran including a driving unit for rotating the first rotating wheel and the second rotating wheel.
According to claim 1,

The first rotating wheel and the second rotating wheel are catamaran rotating in opposite directions.
According to claim 1,

The first and second rotating wheels,

A catamaran that proceeds in the direction of the first hull and the second hull and is disposed to be inclined downward.
4. The method of claim 3,

The upper portion of the first hull is formed inclined upward toward the first connecting rod,

An upper portion of the second hull is formed to be inclined upward toward the second connecting rod.
3. The method of claim 2,

The drive unit is

a first belt connected to be interlocked with the first rotary wheel;

a second belt connected to be interlocked with the second rotary wheel;

a transfer block which is movably disposed inside the control body and to which the first belt and the second belt are respectively connected to both sides;

a transfer bolt connected to the transfer block to move the transfer block;

Catamaran including a driving motor for rotating the transfer bolt by generating a driving force.
6. The method of claim 5,

The drive unit is

Catamaran further comprising a tension adjusting roller in contact with one side of the first and second belts and maintaining the tension of the first and second belts.
According to claim 1,

Catamaran further comprising a propulsion unit disposed on the first and second hulls, respectively.
8. The method of claim 7,

The propulsion unit,

a driving means for generating rotational force; and

One end is disposed under the first and second hulls, and the other end is a flow path disposed in the stern of the first and second hulls,

and a screw disposed inside the flow path, rotating by receiving the rotational force of the driving unit, allowing water to flow into one end of the flow path, and then applying pressure to discharge it to the other end.