US20160200398A1 - Assembly-type small leisure boat and method for manufacturing same - Google Patents

Assembly-type small leisure boat and method for manufacturing same Download PDF

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Publication number
US20160200398A1
US20160200398A1 US14/912,076 US201414912076A US2016200398A1 US 20160200398 A1 US20160200398 A1 US 20160200398A1 US 201414912076 A US201414912076 A US 201414912076A US 2016200398 A1 US2016200398 A1 US 2016200398A1
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boat
connection
rod
lower body
coupled
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Abandoned
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US14/912,076
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English (en)
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Sung Yeol Geum
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MY BOAT
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MY BOAT
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Publication of US20160200398A1 publication Critical patent/US20160200398A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B63B73/70—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by using moulds; Moulds or plugs therefor
    • B63B73/72—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by using moulds; Moulds or plugs therefor characterised by plastic moulding, e.g. injection moulding, extrusion moulding or blow moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B7/00—Collapsible, foldable, inflatable or like vessels
    • B63B7/02—Collapsible, foldable, inflatable or like vessels comprising only rigid parts
    • B63B7/04—Collapsible, foldable, inflatable or like vessels comprising only rigid parts sectionalised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/02—Hulls assembled from prefabricated sub-units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/125—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising more than two hulls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B63B34/10—Power-driven personal watercraft, e.g. water scooters; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B5/00—Hulls characterised by their construction of non-metallic material
    • B63B5/24—Hulls characterised by their construction of non-metallic material made predominantly of plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B71/00—Designing vessels; Predicting their performance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
    • B63B9/00—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2231/00—Material used for some parts or elements, or for particular purposes

Definitions

  • the present invention relates to a small leisure boat, and more particularly, to a leisure boat that is inexpensive through mass-production and is remarkably improved in terms of safety and convenience.
  • boats used for water leisure activities such as a waterside excursion, fishing, water skiing, and scuba diving can be classified into a soft boat made of vinyl or rubber and a hard boat made of FRP (Fiberglass Reinforced Plastic) or metal.
  • FRP Fiber Reinforced Plastic
  • a soft boat is significantly decreased in volume when being evacuated, so it is easy to carry and keep.
  • the soft boat is too light, so it is easily turned over by carelessness of passengers or waves and is too much shaken, and accordingly, the passengers can hardly move on the boat. Further, there is a large possibility of an accident due to puncture and it is required to inject and excavate air for every use.
  • a hard boat is larger than the soft boat, so it is relatively safe, but ordinary people have difficulty in purchasing it because it is expensive. Further, it is too large and heavy, so it is difficult to carry and keep. For example, even if a hard boat is small, it is required to connect a trailer for the boat to a vehicle or to load the boat on a truck in order to transport the boat to a desired place. Accordingly, most boat possessors have to anchor their boats at specific anchorages and use the boat around the anchorages, so the use range is very limited.
  • the hard boat of the related art has a problem in that it is likely to sink when cracks are generated on the boat body by external shock.
  • Patent Registration No. 10-1224156 published on Jan. 14, 2013
  • an air tube is additionally mounted on the boat body, but there is still the inconvenience of injecting/evacuating air and the manufacturing cost is increased because the structure is complicated.
  • a hard boat made of FRP of the related art is manufactured by applying plastic resin on the inner side of an arm-shaped mold and then bonding glass fiber using an adhesive, but this manufacturing method takes too long time, so it is not suitable for the way of manufacturing small leisure boats that has to produce thousands to tens of thousands of products having the same size in a short period of time. Further, recently, as it has been known that an FRP boat causes water contamination, the demand for an environment-friendly leisure boat is increasing.
  • the present invention is directed to providing an assembly-type small leisure boat that can be easily carried and kept. Further, the present invention provides a small leisure boat that is not easily turned over by carelessness of a user or large waves and is safe without sinking even if the boat body is damaged.
  • the present invention is directed to contributing to enlargement of the lowest stratum and popularization of water leisure by reducing the price of leisure boats through mass-production so that anyone can purchase them without burden. Further, the present invention is directed to protecting the water quality by providing a leisure boat made of an environment-friendly material.
  • One aspect of the present invention provides a small leisure boat including: a boat body where people stay; three or more connection rods coupled to the boat body at ends and symmetrically arranged around the boat body; and floating bodies coupled to the other ends of the connection rods, respectively.
  • the boat body of the small leisure boat according to the present invention may include a lower body having a space where people stay and an upper body coupled to the top of the lower body, and the connection rods may be coupled to the lower body.
  • the lower body of the small leisure boat according to the present invention may have rod seats formed in a groove shape and holding ends of the connection rods and stoppers protruding upward inside the rod seats.
  • connection rod covers disposed on the rod seats, having a curved surface corresponding to the connection rods, and coupled to the lower body at both ends.
  • connection rods may have an elastic projection protruding outward and a fastening hole where the elastic projection is inserted may be formed at the rod seats or the connection rod covers.
  • pipe-shaped rod seats where ends of the connection rods are inserted may be coupled to the lower body and stoppers protruding upward inside the rod seats may be formed.
  • connection rods may include a first connection rod coupled to the center of the bow of the boat body, a second connection rod coupled to a side of the stern of the boat body, and a third connection rod coupled to the other side of the stern of the boat body, and the angle between the first connection rod and the second connection rod and the angle between the first connection rod and the third connection rod may be the same.
  • Another aspect of the present invention provides a method of manufacturing a small leisure boat that includes: a first vacuum forming process of forming a lower body, where people stay, using thermoplastic resin such that the lower body has three or more rod seats; a second vacuum forming process of forming an upper body using thermoplastic resin; a process of coupling ends of the connection rods to the rod seats of the lower body; a process of coupling floating bodies to the other ends of the connection rods; and a process of coupling the upper body to the lower body.
  • stability of a leisure boat can be considerably improved by three or more floating bodies symmetrically arranged around a boat body.
  • the boat body is positioned at the center inside the floating bodies, so the boat is little shaken and is not easily turned over even by movement of people or waves. Further, even if the boat body is damaged, the boat does not easily sink.
  • the boat since the boat is assembly type, it can be easily transported and kept, and it can be supplied at a low price through mass-production, so it is possible to significantly contribute to enlargement of the lowest stratum and popularization of water leisure. Further, since the boat is made of an environmental-friendly material instead of FRP of the related art, it is possible to prevent water contamination.
  • FIG. 1 is a perspective view of a leisure boat according to an embodiment of the present invention.
  • FIG. 2 is a bottom perspective view of the leisure boat according to an embodiment of the present invention.
  • FIG. 3 is an exploded perspective view of the leisure boat according to an embodiment of the present invention.
  • FIGS. 4 a and 4 b are views showing a rod seat on a boat body.
  • FIG. 5 is a view showing a connection rod cover disposed over the rod seat.
  • FIGS. 6 a and 6 b are views showing a method of connecting a connection rod to a boat body.
  • FIGS. 7 a to 7 d are views showing various modifications for connecting a connection rod to a boat body.
  • FIGS. 8 a and 8 b are views showing a method of connecting a floating body to a connection rod.
  • FIG. 9 is a view showing a modification of the floating body.
  • FIGS. 10 a and 10 b are views showing an assembly process of a boat body.
  • FIG. 11 is a cross-sectional view showing the assembly process of a boat body.
  • FIGS. 12 a to 12 f are views sequentially showing a process of manufacturing a lower body.
  • FIG. 13 is a view showing a process of manufacturing an upper body.
  • FIGS. 2, 3, and 4 are respectively a perspective view, a bottom perspective view, and an exploded perspective view of a leisure boat 100 according to an embodiment of the present invention.
  • the leisure boat 100 includes a boat body 110 where people stay, three connection rods 131 , 132 , 133 protruding outward with one end connected to the boat body 110 , and three floating bodies 121 , 122 , 123 coupled to the other ends of the connection rods 131 , 132 , 133 , respectively.
  • the leisure boat 100 distributes the load of the boat body 110 with people thereon to the three floating bodies 121 , 122 , and 123 , so safety is largely increased in comparison to leisure boats of the related art which depend on only the buoyancy by the boat body 110 .
  • the boat body 110 is not easily shaken. Accordingly, even if a passenger stands up and moves on the boat body 110 , the leisure boat 100 is not largely shaken, so the passenger hardly fall into water or the boat body 110 is hardly turned over.
  • the three floating bodies 121 , 122 , and 123 are arranged at about 120 ° around the center of the boat body 110 . That is, the first connection rod 131 is connected to the center of the bow of the boat body 110 , the second connection rod 132 is connected to a side of the stern, the third connection rod 133 is connected to the other side of the stern, and then the floating bodies 121 , 122 , and 123 are coupled to the connection rods 131 , 132 , and 133 , respectively.
  • the number of the floating bodies is not limited to three, so four or more floating bodies may be arranged at regular angles around the center of the boat body 110 .
  • the boat body 110 is composed of a lower body 112 and an upper body 114 that can be separated.
  • the shapes of the molds for manufacturing the lower body 112 and the upper body 114 are simple, so it is possible to reduce the time and cost for manufacturing a mold and it is also possible to remarkably decrease the manufacturing cost through mass-production using vacuum forming.
  • the lower body 112 and the upper body 114 are made of thermoplastic resin such as ABS (Acrylonitrile Butadiene Styrene), PP (Polypropylene), PE (Polyethylene), and PC (Polycarbonate). Using these materials can reduce water contamination, as compared with hard boats made of FRP of the related art, and the vacuum forming allows for reduction of manufacturing time.
  • thermoplastic resin such as ABS (Acrylonitrile Butadiene Styrene), PP (Polypropylene), PE (Polyethylene), and PC (Polycarbonate).
  • the lower body 112 has a recessed internal space for people and generates buoyancy. Although the inside of the lower body 112 is empty in the drawings, but seats may be integrally formed with the lower body in the forming process or may be additionally coupled for the convenience of users. Further, if the lower body 112 is made of a transparent material, users can look into the water, so it is possible to increase interest of the users.
  • the upper body 114 has an edge 115 jointed to the top of the lower body 112 and a cover 116 extending from the edge 115 and partially covering the top of the lower body 112 .
  • the edge 115 and the cover 116 may be integrally manufactured or may be separately manufactured and then assembled. Further, the cover 116 may not be provided, if necessary. Further, though not shown in the figures, a specific transparent cover (not shown in the figures) may be coupled to the upper body 114 to protect passengers.
  • a motor seat 118 where a motor can be mounted may be formed at the rear of the upper body 114 .
  • connection holes 151 where the connection rods 131 , 132 , and 133 are fitted and rod seats 155 for holding ends of the connection rods 131 , 132 , and 133 are formed at the lower body 112 .
  • the coupling holes 151 may be, as shown in the figures, circular holes or may be slits formed downward from the top of the lower body 112 .
  • Ends of the rod seats 155 which are grooves corresponding to the outer sides of the connection rods 131 , 132 , and 133 , communicate with each other through the coupling holes 151 .
  • a stopper 157 at he other ends of the rod seats 155 , that is, the opposite sides to the coupling holes 151 , as show in FIG. 4 b .
  • the stoppers 157 keep the connection rods 131 , 132 , and 133 inserted from the outside at predetermined positions, so assembling becomes easy.
  • connection rods 131 , 132 , and 133 With the connection rods 131 , 132 , and 133 are seated in the rod seats 155 , the connection rods 131 , 132 , and 133 can be fixed to the lower body 112 by bolts etc.
  • connection rod cover 160 it is preferable to couple a connection rod cover 160 to the top of the rod seat 155 .
  • connection rod cover 160 is made of a material that is the same as the lower body 112 and fixed to the lower body 112 by thermal bonding etc.
  • connection cover 160 is a part longitudinally cut off from a pipe, in which the inner side is curved to correspond to the connection rods 131 , 132 , and 133 . Accordingly, a space where the connection rods 131 , 132 , and 133 are inserted is defined between the connection rod cover 160 and the rod seat 155 , so the connection rod cover 160 and the rod seat 155 function as a pipe where the connection rods 131 , 132 , and 133 are inserted.
  • a fastening hole 162 for fixing a connection rod may be formed at the connection rod cover 160 .
  • connection rod cover 160 supports the connection rod 131 , so a user can fix the connection rod 131 to the lower body 112 in this state.
  • connection rod 131 For the convenience of coupling, it is preferable to form an elastic projection 137 at an end of the connection rod 131 and to form fastening holes 159 and 162 , where the elastic projection 137 is inserted, at the rod seat 155 and the connection rod cover 160 .
  • connection rod 131 is pushed into the coupling hole 151 until it is locked to the stopper 157 and is then turned until the elastic projection 137 is inserted into the fastening holes 159 and 162 , thereby finishing coupling the connection rod 131 .
  • connection rod 131 may be coupled in other various ways.
  • connection rod 131 and the lower body 112 may be directly fixed by bolts.
  • connection rod cover 160 is not thermally bonded to the lower body 112 and both ends of the connection rod cover 160 may be fixed to the lower body 112 by bolts 170 .
  • FIG. 7 b it may be possible to attach a fixing pipe 160 ′ to the rod seat 155 and then insert the connection rod 131 into the fixing pipe 160 ′.
  • the fixing pipe 160 ′ may be disposed inside the lower body 112 , or as shown in FIG. 7 c , an end of the fixing pipe 160 ′ may protrude out of the lower body 112 .
  • rod seat 155 it may be possible to form the rod seat 155 only at the outside of the lower body 112 and mount the connection rod cover 160 or the fixing pipe 160 ′ in the rod seat 155 .
  • connection rod 131 may be fix the connection rod 131 to the lower body 112 using the bolts 170 inserted through the connection rod cover 160 , the connection rod 131 , and the lower body 112 , as shown in FIG. 7 d , without using the elastic projection 137 on the connection rod 131 .
  • the elastic projection 137 may be used together.
  • connection rods 131 , 132 , and 133 are light and has high durability for the connection rods 131 , 132 , and 133 , but their material is not limited thereto.
  • EPP Exandable Polypropylene
  • the floating bodies 121 , 122 , and 123 have a through-hole 127 where the connection rods 131 , 132 , and 133 are inserted.
  • a fixing cap 180 it is preferable to couple a fixing cap 180 to the ends of the connection rods 131 , 132 , and 133 at the opposite side of the through-hole 127 to prevent separation of the floating bodies 121 , 122 , and 123 .
  • the fixing cap 180 is supposed to be larger in outer diameter than the connection rods.
  • the fixing cap 180 may be forcibly fitted, thread-fastened, or fixed by a bolt to the ends of the connection rods 131 , 132 , and 133 .
  • an expanding portion 128 where the fixing cap 180 is inserted is formed at an end of the through-hole 127 of the floating bodies 121 , 122 , and 123 , the present invention is not limited thereto.
  • the floating bodies 121 , 122 , and 123 are not limited to the spherical shape, so they may be manufactured in various shapes. Further, it may be possible to attach accessories of various characters that can increase amusement to the floating bodies 121 , 122 , and 123 . Further, in consideration of the fact that the floating bodies 121 , 122 , and 123 are disposed fairly away from the boat body 110 , it may be possible to mount a rescue handle, which a drowning person can easily hole, on the floating bodies 121 , 122 , and 123 .
  • the boat body 110 of the leisure boat 100 is achieved by assembling the lower body 112 and the upper body 114 , which are separately manufactured, as shown in FIGS. 10 a and 10 b.
  • a top edge 112 a of the lower body 112 is inserted in a bottom edge 114 a of the upper body 114 .
  • a step 112 b is formed outward at the lower end of the top edge 112 a of the lower body 112 . Accordingly, the bottom edge 114 a of the upper body 114 which is positioned outside the lower body 112 is supported by the step 112 b.
  • the lower body 112 and the upper body 114 may be coupled and used in this state, but it is preferable to fasten the top edge 112 a of the lower body 112 and the bottom edge 114 a of the upper body 114 with bolts etc. to more safely use them.
  • the molds are simplified, so it is possible to reduce the manufacturing cost and manufacture small leisure boats in large quantities.
  • a circular plate 10 made of thermoplastic resin is mounted onto a moving frame 20 .
  • the moving frame 20 can horizontally moved by a moving unit not shown in the figures.
  • the moving frame 20 is moved into a heating chamber and the circular plate 10 is heated by heaters over and under the circular plate 10 ( FIG. 12 a ).
  • the circular plate 10 When the circular plate 10 is sufficiently heated, as shown in the figures, it softens and slightly sags down, and in this state, the circular plate 10 is moved onto a prepared mold 50 .
  • the mold 50 has a plurality of vacuum holes and the lower space of the mold is connected to a vacuum pump ( FIG. 12 b ).
  • the mold 50 is moved up or the moving frame 20 is moved down, so the softening circular plate 10 put on the mold 50 .
  • the vacuum pump is operated to evacuate the lower space of the mold 50 , so the circular plate 10 is brought in completely close contact with the mold 50 .
  • the circular plate 10 is cooled by operating a cooling fan ( FIGS. 12 c and 12 d ).
  • the formed circular plate 10 is separated from the mold and unnecessary portions are cut off by a cutting robot etc., thereby finishing forming the lower body 112 .
  • the coupling holes 151 where the connection rods 131 , 132 , and 133 are inserted and bolt holes may be formed ( FIGS. 12 e and 12 f ).
  • connection rod covers 160 are mounted on the rod seats 155 of the lower body 112 and other additional facilities are mounted.
  • the upper body 114 is also manufactured by vacuum forming substantially in the same sequence as the lower body 112 , as shown in FIG. 13 .
  • the small leisure boat 100 is completed through a process of coupling the connection rods 131 , 132 , and 133 to the lower body 112 , a process of coupling the upper body 114 to the top of the lower body 112 , and a process of coupling the floating bodies 121 , 122 , and 123 to the ends of the connection rods 131 , 132 , and 133 .
  • connection rods 131 , 132 , and 133 are coupled to the lower body 112 in the embodiment described above, if the lower body 112 and the upper body 114 are firmly fastened by bolts etc., the connection rods 131 , 132 , and 133 may be coupled to the upper body 114 .
  • connection rods 131 , 132 , and 133 are horizontally arranged, they may be arranged at an angle such that the sides at the boat body 110 are higher and the sides at the floating bodies 121 , 122 , and 123 are lower.
  • the shape of the boat body 110 is not limited to that shown in the figures and may be changed in various shapes.
  • the small leisure boat 100 can be moved by a motor, an oar, a sail, and to this end, it may further include a unit for mounting the motor, oar, and sail.
  • a solar cell plate may be installed on the boat body 110 to obtain power, and a lighting unit such as an LED may be mounted so that the boat can be located even in evening.
  • a GPS or satellite communication equipment for finding the position of the boat and communication may be mounted.
  • the present invention may be changed, modified, or replaced in various ways, and even if the present invention is changed, modified, or replaced, it should construed as being included in the scope of the present invention as long as it includes the spirit of the present invention described in claims.
  • Circular plate 20 Frame
  • Fixing pipe 162 Fastening hole

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Ladders (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Toys (AREA)
  • Moulding By Coating Moulds (AREA)
US14/912,076 2013-08-13 2014-08-12 Assembly-type small leisure boat and method for manufacturing same Abandoned US20160200398A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20130096167A KR20150019385A (ko) 2013-08-13 2013-08-13 조립식 소형 레저보트와 그 제조방법
KR10-2013-0096167 2013-08-13
PCT/KR2014/007506 WO2015023117A1 (ko) 2013-08-13 2014-08-12 조립식 소형 레저보트와 그 제조방법

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US (1) US20160200398A1 (ja)
JP (1) JP2016528103A (ja)
KR (1) KR20150019385A (ja)
CN (1) CN105705413A (ja)
WO (1) WO2015023117A1 (ja)

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