JP2019001455A - Platform assembly in stern for outboard propulsion boat - Google Patents

Abstract

To provide a better arrangement to transmit propulsion force regarding a platform assembly to which an outboard engine is attached.SOLUTION: A platform assembly in stern for an outboard propulsion boat (B) includes: a pair of support blades (11) on sides; a movable platform (13) arranged adjacent to the supporting wings on the sides; and a moving mechanism for moving the platform (13) movable by being accommodated in the supporting blades (11) on each side. The platform assembly in stern for the outboard propulsion boat (B) has the movable platform movable between a raising end point position arranged adjacent to a top end of the supporting blades on the sides and a lowering end point position retaining a predetermined direction regarding the supporting blades on the sides and maintaining the proximity relationship, and the assembly surrounds a space (R) covered in three directions by the movable platform (13) and the supporting blades on the sides in a planar view.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a stern platform assembly for an outboard propulsion boat.

  An outboard engine of a boat usually means a separate unit that includes the actual engine, transmission, and propeller and is configured to be mounted outside the stern beam. The outboard motor is attached to the boat so that it can rotate around the vertical axis to provide the ability to tack the boat and is usually horizontal so that the lower part where the propeller is located can be lifted Has the ability to be flipped around an axis.

  A stern platform assembly for a boat with a propulsion inboard is known, where the mobile platform is provided by an articulated parallelogram mechanism. These platform assemblies are not suitable for mounting on outboard propulsion boats due to the presence of the engine.

  It is an object of the present invention to provide a stern platform assembly suitable for a boat having a propulsive force outside the ship.

  For this purpose, the subject of the invention is a pair of fixed lateral support wings, a movable platform arranged adjacent to the lateral support wings, and in each lateral support wing. And a moving mechanism for moving the movable platform housed therein, the movable platform having a rising end position disposed adjacent to the upper end of the lateral support wing, and a lateral side. In the plan view, the assembly is moved in three directions by the movable platform and the side support wings. A stern platform assembly for an outboard propulsion boat that encloses a covered space.

  In this type of configuration, the platform and sides are such that the enclosed space is sufficient to accommodate the outboard engine and avoid collision with the outboard engine when the movable platform is lowered or raised. The size of the support wing can be determined.

  At the same time, the ease of approach from the boat to the platform can be maintained at any raised position. Preferably, the platform extends continuously in front of the engine when lowered, so that it also serves as a safety barrier that prevents or at least restricts the swimmer from contacting the propeller.

  Preferred embodiments of the invention are defined in the dependent claims intended as part of the overall description.

  Further features and advantages of the assembly according to the invention will become apparent from the following detailed description of embodiments of the invention made with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.

Plan view of a boat provided with a platform assembly according to the invention 1 is a longitudinal end view of the boat of FIG. 1 in a first operating position. Side elevation of the boat of FIG. 1 in two different operating positions Side elevation of the boat of FIG. 1 in two different operating positions Side elevation view of the platform assembly movement mechanism in the position of FIG. Plan view of the mechanism of FIG. Side elevation view of the mechanism in the position of FIG. Side elevation view of the mechanism in the position of FIG. Various cross-sectional views of the mechanism in the position of FIG. Various cross-sectional views of the mechanism in the position of FIG. Various cross-sectional views of the mechanism in the position of FIG. Various cross-sectional views of the mechanism in the position of FIG. Various cross-sectional views of the mechanism in the position of FIG. Various cross-sectional views of the mechanism in the position of FIG. Side elevation view of a second embodiment of a platform assembly movement mechanism in various operating positions. Side elevation view of a second embodiment of a platform assembly movement mechanism in various operating positions. Side elevation view of a second embodiment of a platform assembly movement mechanism in various operating positions. Side elevation view of third embodiment of platform assembly movement mechanism Side elevation view of third embodiment of platform assembly movement mechanism Side elevation view of third embodiment of platform assembly movement mechanism

  With reference to FIGS. 1 to 4, a boat B with a propulsive force outside the ship is shown. In FIG. 2, LG indicates a water level line. H represents the hull, and M represents the engine of each boat. The engine M is disposed on an engine shaft P formed at the stern end SE. The engine M may be one or more arranged side by side, and the engine M includes an outboard type, i.e. an actual engine, a transmission, a propeller, and a boat stern. It is an independent unit configured to be attached to the outside of the end SE. PH indicates the engine head, and S indicates the leg of each engine M ending with the lower propeller PR. Each engine M is mounted for rotation about a vertical axis so that the boat can rotate. Further, each engine M may rotate about a horizontal axis parallel to the stern end SE so that the propeller PR can be raised.

  At the stern end SE of the boat, a stern platform assembly, indicated generally at 10, is mounted. The assembly 10 extends longitudinally from the stern end SE of the boat and is sized to reach at least the maximum extension limit of the engine M in the direction of the length of the boat B on the opposite side of the engine shaft P. A support wing 11 is provided. Each lateral support wing includes a cover 12. Side support wings 11 are fixed to the stern end of the boat.

  The assembly 10 further comprises a movable platform 13 disposed adjacent to the side support wings 11. The movable platform 13 keeps a predetermined direction with respect to the rising end position (shown in FIG. 2) and the side support wings 11 which are arranged adjacent to the upper ends of the side support wings 11, You may move between descent end point positions (shown in FIG. 4) that maintain the proximity relationship. According to the plan view of FIG. 1, the assembly 10 encloses a space R covered on three sides by a movable platform 13 and lateral support wings. When the platform assembly 10 is attached to the boat, the outboard engine M is placed in a space covered by the movable platform 13, the side support wings 11, and the stern end SE of the hull. .

  A plurality of movable steps 15a, 15b, which are movable to cooperate with the movable platform 13 and are configured to maintain a parallel relationship with the movable platform 13 during the movement; Arranged in parallel with one side support wing 11. Steps 15a and 15b are arranged such that the height difference between one step and the other step is proportional to the height difference between the movable platform 13 and the walking plane PC of the boat.

  Inside each supporting wing 11 on each side, a moving mechanism 20 is accommodated for moving a platform 13 in which a portion protruding beyond the wing 11 can move. For illustrative purposes, in FIGS. 2-4, the cover 12 of the support wing 11 is shown transparent to show the overall moving mechanism 20.

  In FIGS. 5 to 8a-8g, possible embodiments of the movement mechanism are shown.

  This mechanism includes a fixed frame 201 disposed inside the side support wings 11 and fixed to the boat support structure, and a pair of rods having ends that are hinged to the frame 201 at x1 and x2. 202 and 203 are provided. The opposite ends of the rods 202 and 203 are hinged to the arm of the square member 204 at x3 and x4, respectively.

  The free end of the rod 202 is also hinged to the first support 205 of the platform 13 which is movable by x3. The other arm of the square member 204 is hinged to one end of a member 204b whose length can be adjusted by x5, and its free end is hinged to the first support part 205 by x6.

  The movable platform 13 further includes a second support portion 206 slidably coupled to the first support portion 205. The walking surface 207 of the platform 13 is fixed to the second support part 205.

  The second support portion 206 is connected by a connecting member 208 to a slider 209 that is arranged to slide in a guide groove 210 provided in the frame 201 of the moving mechanism.

  A linear actuator 211 having one end hinged to the frame 201 at x7 and the other end hinged to one of the rods 203 at x8 is provided to control the movement of the mechanism.

  By actuating the actuator 211 by the above-described mechanism, the first support portion 205 of the movable platform 13 keeps a predetermined direction with respect to the frame 201, and thus the side support wings, along a curved path. Move. The second support portion 206 translates vertically by being pulled by the first support portion 205, while the first support portion 205 slides along the second support portion 206. In this way, the walking surface 207 of the movable platform 13 performs a vertical translational movement and translates along the side support wings 11.

  The frame 201 of the moving mechanism further includes a pair of vertical members 215 and 216 to which sliders 217 and 218 are slidably connected. The first slider 217 is connected to the rods 202 and 203 through a pair of sliders 218a and 218b integral therewith, and is slidably connected to guide grooves 219a and 219b formed in the rods 202 and 203, respectively. A guide groove 210 that guides the translational movement of the first support portion 205 is also formed integrally with the slider 217.

  The second slider 218 is connected to one rod 203 by a connecting rod 221 having one end hinged to the second slider 218 and the other end hinged to the rod 203 at x8. Each step 15a, 15b is fixed to a respective slider.

  In this way, steps 15a, 15b cooperate with the movable platform to create a human passage gradually and gently from the walking surface PC of the boat to the movable platform 13 and vice versa. Can be moved. In a particular position, the movable platform 13, steps 15a, 15b and the boat walking surface PC can be located in the same plane (FIGS. 3 and 7).

  In FIGS. 9a to 9c, an alternative embodiment of the movement mechanism indicated at 20 'will now be described.

  The mechanism includes a plurality of rods 202 'that are hinged together to form a pantograph joint. The upper pair of rods 202 ′ has a hinge point x1 ′ fixed to the fixed frame 201 ′, and the other rod 202 ′ slides in a guide groove 203 ′ formed in the frame 201 ′. Have '.

  At the other end of the pantograph joint, the lower pair of rods 202 ′ has a hinge point x 3 ′ fixed to the movable platform 13, and the other rod 202 ′ is a guide groove 204 ′ formed in the platform 13. It has a hinge point x4 'that slides inside.

  A central pivot point x5 'between the lower pair of rods 202' is also guided by a respective guide groove 205 'formed in the movable platform 13.

  A guide 206 'is also provided to guide the swiveling of the swiveling rod 202' along a straight track.

  With the above-described configuration, it is possible to ensure that the platform moves along a straight track while always maintaining the same direction.

  In Fig. 10a to Fig. 10c, a further embodiment of the moving mechanism indicated by 20 "is described.

  The mechanism 20 "includes a linear actuator 202" that is disposed integrally with the frame 201 "of the mechanism. The movable end 203" of the actuator 202 "is fixed to the movable platform 13. In this case, The movement of the movable platform 13 is directly controlled by the actuator 202 ". In order to correctly guide the movable platform 13, a telescopic structure 204 "is provided that connects the platform to the frame 201".

  The movement of steps 15a and 15b is performed as follows.

  The pin 205 "is coupled to a telescopic structure 204" that moves to cooperate with the telescopic structure. The step 15a is firmly connected to the pin 205 ". The pin 205" is slidably connected to a first guide groove 206 "provided in a rod 207" hinged to the frame 201 'by x1 ". The rod 207 ″ has a second guide groove 208 ″, and a second pin 209 ″ is slidably connected to the second guide groove 208 ″, and the second pin 209 ″ is a slider. The slider 210 "is slidably coupled to a guide 211" disposed on the frame 201 "and extends in parallel with the moving direction of the movable platform 13. The slider 210 "is fixed to the second step 15b.

  In one embodiment, a control system is also provided that confirms the respective positions of the movable platform 13 and the engine M to allow or not allow movement and engine start.

  For example, when the operator activates a command to lower the platform, the control system can confirm the position of the motor (eg, by a sensor). When the engine is positioned on the raised propellers, the control system does not allow the platform to descend to avoid collision with these propellers. Instead, when the engine is positioned on a lowered propeller, the control system allows the platform to descend.

  When the engine is raised and the operator activates a command to start the engine, the control system can also confirm the position of the platform. When the platform is in its highest position, the control system allows the engine to descend and start. Instead, when the platform is partially or fully lowered, the control system does not allow the engine to be lowered and started.

  It is understood that the invention is not limited to the embodiments described and shown herein, but rather appears to be suitable for those skilled in the art and falls within the scope of the invention as defined by the following claims It will be appreciated that modifications can be made to the shape and placement of the parts, as well as structural and operational details, in accordance with a number of possible variations. In particular, the embodiment of the moving mechanism is not limited to the one described, and in some cases, an additional configuration in which an additional moving member such as a gear, a chain, or a belt transmission is applied can be considered. In addition, if the movable platform moves without being too far away from the side support wings (eg less than a few centimeters), the movable platform will make a slight curvilinear movement rather than an exact translational movement. The platform assembly can be configured.

Claims (8)

  A pair of fixed side support wings (11), a movable platform (13) disposed adjacent to the side support wings (11), and respective side support wings (11) A stern platform assembly for an outboard propulsion boat (B), characterized by comprising a moving mechanism (20; 20 '; 20 ") for moving a movable platform (13) housed within The movable platform (13) has a predetermined orientation with respect to the rising end position located adjacent to the upper end of the lateral support wing (11) and the lateral support wing (11). And in the plan view, the assembly is covered on three sides by a movable platform (13) and side support wings (11). The During surrounding the (R), the stern of the platform assembly for outboard propulsion boat (B).   The assembly according to claim 1, wherein the platform (13) is linearly translatable between a rising end position and a falling end position.   Located in parallel to the at least one lateral support wing (11) to the moving mechanism (20; 20 ′; 20 ″) so as to maintain a parallel relationship with the movable platform (13) during the movement. Assembly according to claim 2, comprising a plurality of movable steps (15a, 15b) connected.   The movable platform (13) comprises a support structure having a first support part (205) and a second support part (206) slidably connected to each other, and the moving mechanism (20) The link mechanism (202, 203, 204) connected to the frame (201) of the support wing (11), the slide guide (210) arranged on the side support wing (11), and the link mechanism (202, 203). 204), and an actuator (211) for controlling the first support portion (205) along a curved path while maintaining a predetermined direction with respect to the side support wings (11). The second support part (206) is connected to the link mechanism (202, 203, 204) so as to be movable, and the second support part (206) is driven by the first support part (205), so that the slide guide (21 ) To Along coupled to the slide guide (210) to allow translation, assembly according to claim 2 or 3.   The moving mechanism (20 ′) is connected to the pantograph link mechanism (202 ′), the upper ends (x1 ′, x2 ′) connected to the side support wings (11), and the movable platform (13). The assembly according to claim 2 or 3, comprising a lower end (x3 ', x4', x5 ').   Each slider or slipper (217, 218) connected to the guide mechanism (215, 216) disposed on the side support wing (11) and connected to the link mechanism (202, 203, 204; 202 ′) is strong. 6. An assembly according to claim 4 or 5, comprising a plurality of steps (15a, 15b) connected to the. The moving mechanism (20 ″) includes a linear actuator (202 ″), an upper end connected to the side support wings (11), and a lower end (203 ″) connected to the movable platform (13). With
The assembly is connected to the same rod (207 ″) hinged to the side support wing (11) connected to the guide (211 ′) arranged on the side support wing (11). The assembly according to claim 2 or 3, further comprising a plurality of steps (15a, 15b) rigidly connected to each of the slippers (202 ", 210").   A hull (H) and at least one outboard motor (M) located at the stern end (SE) of the hull, wherein the outboard motor (M) is a movable platform (13); 8. A device according to claim 1, arranged to lie in a space covered by the lateral support wings (11) and the stern end (SE) of the hull. The outboard propulsion boat further comprising a stern platform assembly (10).

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