KR20200060162A - Device for propelling kayak - Google Patents

Abstract

The present invention relates to a kayak propelling apparatus which can propel a hull while rotating a pedal in one direction with a foot without using a hand of a passenger, and can easily move the hull forward and backward by changing a rotational direction of a propeller with a rotational force transfer means. According to the present invention, the kayak propelling apparatus for propelling a hull forward or backward comprises: a housing fixed to the bottom of a hull so that a part of an upper portion of the housing is positioned to an upper portion of the bottom of the hull and a part of a lower portion is positioned at a lower portion of the bottom of the hull; a propeller rotatably mounted on a part of the lower portion of the housing positioned at the lower portion of the bottom of the hull to rotate below the bottom of the hull; a pedal rotatably mounted on a part of the upper portion of the housing positioned on the upper portion of the bottom of the hull, and stepped by a passenger to rotate; and a rotational force transfer means provided inside the housing to transfer rotation of the pedal to the propeller.

Description

Kayak propulsion device {DEVICE FOR PROPELLING KAYAK}

The present invention relates to a kayak propulsion device, and more specifically, it is possible to propel the hull while rotating the pedal in one direction without using a passenger's hand, as well as to facilitate the hull by changing the rotational direction of the propeller by means of torque transmission. It relates to a kayak propulsion device that can be moved back and forth.

The kayak is a small boat used by Eskimo, which is made up of one person, and is a ship that stirs the row alternately from side to side, and has recently been used for water leisure.

These kayaks can be easily moved and stored by Korea Mick Kook Patent No. 10-1577280 (air-injected kayak, 2015.12.08) or Korea Patent No. 1001541995 (Vehicle roof rack-mounted folding kayak with inflatable air seat frame, 2015.07. 29) A type of kayak that expands by injecting air as in Korea, or Republic of Korea Patent No. 10-1541724 (folding kayak, 2015.07.29) or Korea Registered Patent No. 10-1541725 (foldable kayak with a vehicle roof rack, 2015.07. As in 29), many developments of folding kayaks have been made.

In order to promote the kayak, the oars are usually paddled, and it is very difficult to propel the kayak by rowing the paddle, and there is a disadvantage that the paddle cannot be plowed when the passenger needs to work by hand.

In order to solve these shortcomings, Republic of Korea Utility Model No. 20-2018-0001004 (2018.04.11, kayak with a motor propellant) and Korea Patent Publication No. 10-2017-0104856 (2017.09.18, no-power waterjet) Kayaks using propellers and principles) The use of power kayaks has been developed, but this basically limits the use of power such as engines and motors.

Republic of Korea Utility Model No. 20-2018-0001004 (2018.04.11): kayak with motor propellant Republic of Korea Patent Publication No. 10-2017-0104856 (2017.09.18): kayak and principle using a non-powered water jet propeller

The present invention was devised by recognizing the above points, and an object of the present invention is to propel the hull while rotating the pedal in one direction with the foot without using the passenger's hand, as well as converting the propeller's direction of rotation by means of torque transmission. It is to provide a kayak propulsion device that can be easily moved back and forth by hull.

In order to achieve the above object, the kayak propulsion device according to the present invention, in a kayak propulsion device for propulsion of the hull forward or rear, a part of the upper part is located on the bottom of the hull and a part of the lower part is the hull A housing fixed to the bottom of the hull to be located at the bottom of the hull, a propeller rotatably mounted to a part of the lower portion of the housing located at the bottom of the hull, and a propeller rotated under the bottom of the hull, and the bottom of the hull It is rotatably mounted on a part of the upper portion of the housing located on the upper portion is provided with a pedal for the passenger to step on and rotate, and a rotational force transmitting means provided inside the housing to transmit the rotation of the pedal to the propeller Is done.

In addition, the kayak propulsion device according to the present invention, the housing is composed of an upper gear box portion, a lower propeller support portion, and a connection part connecting the gear box portion and the propeller support portion is provided, the hull housing A through hole is formed, the housing, the gear box portion is located at the bottom of the hull, the propeller support is located at the bottom of the hull, and the connecting portion passes through the housing through hole at the bottom of the hull. It is characterized by being fixed.

In addition, the kayak propulsion device according to the present invention, the rotational force transmitting means receives a rotational force of the pedal, rotates the direction changing gear unit for outputting the rotational direction, and rotates the output of the direction changing gear unit to the propeller It characterized in that the transmission unit is provided.

In addition, the kayak propulsion device according to the present invention, the rotation transmission unit is connected to the output gear of the direction changing gear portion and a vertically connected connection shaft, and the connection shaft and the propeller to transmit the rotation of the connection shaft to the rotation axis of the propeller It is provided on the rotating shaft is provided with a transmission gear engaged with each other, the direction change gear portion is accommodated inside the gear box portion, the connecting shaft extends to extend from the gear box portion to the propeller support, the connecting shaft and the propeller It is characterized in that the transmission gear is provided on the rotating shaft and engaged with each other is accommodated inside the propeller support.

In addition, the kayak propulsion device according to the present invention, the direction change gear portion, the spline is formed in the central portion of the gear shaft that is rotated by receiving the rotational force of the pedal, and engaged with the spline of the gear shaft to move in the longitudinal direction of the gear shaft A clutch sleeve to be formed, and clutch portions to be engaged with both end portions of the clutch sleeve on each inner side, and located on each side of each of the clutch sleeves, are respectively located on both sides of the clutch sleeve to allow rotation relative to the gear shaft. It is characterized in that the pair of direction change gears supported at each end and an output gear coupled to the upper end of the connection shaft to rotate integrally with the connection shaft are provided at the same time.

The kayak propulsion device according to the present invention by the above configuration can not only propel the hull while rotating the pedal with one foot without using the passenger's hand, but also facilitate the hull by changing the rotational direction of the propeller by means of torque transmission. It has the advantage of being able to move forward and backward.

1 is a perspective view showing a kayak with a kayak propulsion device according to an embodiment of the present invention
Figure 2 is a perspective view showing a state in which the outrigger is unfolded by the outrigger folding device in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied
3 is a front view showing a state in which the outrigger is unfolded by the outrigger folding device of a kayak in a kayak to which a kayak propulsion device is applied according to an embodiment of the present invention
Figure 4 is a perspective view showing the disassembled arrangement of the outrigger folding device, the pushing device and the steering device in a kayak to which a kayak pushing device according to an embodiment of the present invention is applied is disassembled
Figure 5 is a perspective view showing the configuration of the outrigger folding device of the kayak in the kayak is applied kayak propulsion device according to an embodiment of the present invention
6 is an enlarged view of part A of FIG. 5 showing a coupling structure of a guide bar, a screw bar, and a slider of an outrigger folding device of a kayak in a kayak to which a kayak propulsion device is applied according to an embodiment of the present invention
7 is an enlarged view of part B of FIG. 5 showing the hinge connection structure of the outrigger and the folding link of the outrigger folding device in a kayak to which a kayak propulsion device is applied according to an embodiment of the present invention
8A and 8B are plan views illustrating a state in which an outrigger is folded and unfolded by an outrigger folding device in a kayak to which a kayak propulsion device is applied according to an embodiment of the present invention.
10 is a perspective view showing a kayak propulsion device according to an embodiment of the present invention
11 is a perspective view showing the internal configuration of a kayak propulsion device according to an embodiment of the present invention
Figure 12 is a cross-sectional view showing a state in which the kayak propulsion device according to an embodiment of the present invention is mounted on the hull
13 is an exploded perspective view showing an exploded kayak propulsion device according to an embodiment of the present invention
14A to 14C are cross-sectional views showing the operation of a kayak propulsion device according to an embodiment of the present invention
15 is a conceptual diagram conceptually showing the operation of the pedal return means of the kayak propulsion device according to an embodiment of the present invention
16 is a perspective view showing a steering device in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied
17 is an exploded perspective view showing a steering drum of a steering device in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied
18A to 18C are plan views illustrating the operation of the steering device for rotating the steering drum in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied.
19A to 19C are a plan view and a front view showing the operation of a steering device for moving the steering slider in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied.
20 is a front view conceptually showing the structure and operation of another embodiment of the steering drum of the steering device in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied.
21 is a plan view conceptually showing an embodiment and operation of a steering device in which a rudder is mounted on the stern and head in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied.

Hereinafter, a kayak propulsion device according to the present invention will be described in more detail with reference to an embodiment shown in the drawings.

1 is a perspective view showing a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied, and FIG. 2 is a state in which an outrigger is unfolded by an outrigger folding device in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied 3 is a front view showing a state in which an outrigger is unfolded by an outrigger folding device of a kayak in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied, and FIG. 4 is an embodiment of the present invention It is a perspective view showing the arrangement of the outrigger folding device, the pushing device, and the steering device in a kayak to which the kayak pushing device according to the present invention is disassembled from the hull, and FIG. 5 is a kayak in the kayak to which the kayak pushing device according to an embodiment of the present invention is applied. 5 is a perspective view showing the configuration of the outrigger folding device, and FIG. 6 is a view showing a coupling structure of a guide bar, a screw bar, and a slider of an outrigger folding device of a kayak in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied FIG. 7 is an enlarged view of a portion A, and FIG. 7 is an enlarged portion B of FIG. 5 showing a hinge connection structure of an outrigger folding device and a folding link in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied. 8A and 8B are plan views illustrating a state in which an outrigger is folded and unfolded by an outrigger folding device in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied, and FIG. 10 is a view of the present invention A perspective view showing a kayak propulsion device according to one embodiment, Figure 11 is a perspective view showing the internal configuration of a kayak propulsion device according to an embodiment of the present invention, Figure 12 is a kayak propulsion according to an embodiment of the present invention The apparatus is a cross-sectional view showing a state attached to the hull, Figure 13 is an exploded perspective view showing an exploded kayak propulsion device according to an embodiment of the present invention, Figures 14a to 14c is according to an embodiment of the present invention It is a cross-sectional view showing the operation of the kayak propulsion device, Figure 15 is a conceptual diagram conceptually showing the operation of the pedal return means of the kayak propulsion device according to an embodiment of the present invention, 16 is a perspective view showing a steering device in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied, and FIG. 17 shows a steering drum of a steering device in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied An exploded perspective view, FIGS. 18A to 18C are plan views showing the operation of a steering device for rotating a steering drum in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied, and FIGS. 19A to 19C are views of the present invention A top view and a front view showing the operation of a steering device for moving the steering slider in a kayak to which a kayak propulsion device according to an embodiment is applied, and FIG. 20 is a view of a steering device to a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied It is a front view conceptually showing the structure and operation of another embodiment of the steering drum, and FIG. 21 is an embodiment and operation of a steering device in which a direction key is mounted on the stern and head in a kayak to which a kayak propulsion device according to an embodiment of the present invention is applied It is a plan view conceptually showing.

The kayak to which the kayak propulsion device 20 according to the present invention is applied is provided with an outrigger folding device 10 for kayaks, which is applied to kayaks on which the outriggers 2 are attached to both sides of the hull 1 to ensure restoration stability in the water phase. do. In particular, the outrigger folding device 10 of the kayak is characterized in that the outrigger 2 is configured to be folded on both sides of the hull 1 as well as being unfolded on both sides of the hull 1 to facilitate transport or storage of the kayak. Is done.

First, the kayak to which the outrigger folding device 10 of the kayak is applied has a structure in which the outrigger 2 is attached to each side of the hull 1 having a relatively narrow and long length. In addition, the kayak to which the kayak outrigger folding device 10 is applied is equipped with a propeller 3 for pushing the kayak under the bottom 1a of the hull 1, and an arrow key 4 for adjusting the direction of the kayak at the rear. It has a structure provided. The interior of the hull 1 is provided with a seat 5 for occupants to sit on.

In addition, a kayak propulsion device 20 for rotating the propeller 3 is provided on a kayak to which the outrigger folding device 10 of the kayak is applied, and for rotating the direction key 4 left and right for steering of the kayak A kayak steering device 30 is provided.

The outrigger folding device 10 of the kayak is provided with folding means 11 and folding driving means 12. 1 to 9 are shown in detail the structure and operation of the kayak outrigger folding device 10 according to the present invention.

The folding means 11 connects each of the outriggers 2 and both sides of the hull 1, but moves the outriggers 2 to the hull 1 from each side of the hull 1 and moves in a falling direction. It is a configuration to be folded and unfolded to make it unfold. Referring to the drawings, the folding means 11 includes leading and stern attachments 111a and 111b, guide bars 112, leading and stern sliders 113a and 113b, leading and stern folding links 114a and 114b, and Constraints 115 are provided and configured.

The leading and stern attachments 111a and 111b are fixed so that both ends of the guide bar 112 are supported, and both ends of the screw bar 121 of the foldable driving means 12 are rotatably supported. It is a composition. Referring to the drawings, the head and stern attachments 111a and 111b are provided on both sides of the hull 1, and the hull 1 is positioned at the position of the head and the stern of each head of the hull 1, respectively. ) Is attached to the side.

The guide bar 112 is provided on each side of the hull 1, and is formed of a rod-shaped member having a long length in a straight line. It is coupled to the stern attachments (111a, 111b) is laid on each side of the hull (1). The leading and stern sliders 113a and 113b are supported by the guide bar 112 so as to slide in a straight line along the guide bar 112.

The leading and stern sliders 113a and 113b are configured to move one end of the leading and stern folding links 114a and 114b with one end coupled to the guide bar 112 in a straight line. Referring to the drawings, the leading and stern sliders 113a and 113b are formed with sliding holes 113-1 for inserting the guide bars 112, and adjacent to the sliding holes 113-1. For driving a screw jack (sCfew jack), a screw hole 113-2 formed with a female screw coupled to a male screw of the screw bar 121 is formed. The head and stern sliders 113a and 113b are reciprocated in a straight line in the front-rear direction of the hull 1 along the guide bar 112 by reciprocating rotation of the screw bar 121. The leading and stern sliders 113a and 113b are formed with hinge portions 113-3 to which the hinge shafts 114-1 provided at one end of the leading and stern folding links 114a and 114b are inserted and coupled.

The leading and stern folding links 114a and 114b are provided on each side of the hull 1, and rods for connecting the front and rear ends of the hull 1 and the front and rear ends of the outrigger 2 It is a shaped link member. The hull (1), the leading and stern folding links (114a, 114b) and the outrigger (2) are connected to each other to form a four-section link structure as a whole, by the reciprocating rotation of the leading and stern folding links (114a, 114b) When the link structure is folded or unfolded, the outrigger 2 is moved in a direction F that is superimposed on the side of the hull 1 or is moved in a direction U that spreads on the side of the hull 1. Each of the head and stern sliders 113a and 113b reciprocated at positions of the head and the stern of the hull 1 along the guide bar 112 laid on the side of the hull 1 is folded into the head and stern. One end of each of the links 114a and 114b is connected.

Referring to the drawings, a vertical hinge shaft 114-1 is provided at one end of each of the leading and stern folding links 114a and 114b, and the hinge shaft 114-1 includes the leading and stern sliders 113a, It is connected to the hinge part 113-3 provided in 113b), and one end of the leading and stern folding links 114a and 114b is rotatably connected to the leading and stern sliders 113a and 113b.

In addition, a hinge portion 2-1 is formed at each of the front end and the rear end of the outrigger 2 so that the other ends of each of the leading and stern folding links 114a and 114b are rotatably connected. Each of the hinge portions 2-1 formed on the side of the outrigger 2 is connected to a vertical hinge shaft 114-2 provided at the other end of each of the leading and stern folding links 114a and 114b.

The restraining part 115 of the folding means 11 is a direction in which the outrigger 2 is opened at the side of the hull 1 while the four-section link structure is expanded by the movement of the leading and stern folding links 114a and 114b ( This is a configuration for maintaining the outrigger 2 in an open state in the hull 1 without further rotation of the section 4 link structure in the moved state to U). That is, the restraining part 115 is for restraining the rotation in the state in which the leading and stern folding links 114a and 114b are unfolded, which can be configured in various ways. For example, the restraining portion 115 of the folding means 11 is a hinge portion 113-3 provided on the head and stern sliders 113a and 113b or a hinge portion 2 provided on the outrigger 2 -1) the hinge shaft (114-1,114-2) may be configured to have a structure that pins pins so as not to rotate, but in the drawing, the restraint is provided in the hinge portion 2-1 provided in the outrigger 2 When the stopper protrusion as the part 115 is protruded and is rotated until the leading and stern folding links 114a and 114b are fully extended, the leading and stern folding links 114a and 114b are no longer caught by the stopping protrusions. An embodiment configured to not rotate is shown. The restraining portion 115 is provided on each of the two hinge portions 2-1 provided on the leading side and the stern side of the outrigger 2, and the leading and stern folding links 114a and 114b are fully extended, respectively. It is caught in the restraining part 2-1 so that it is no longer rotated in the unfolding direction. In the state in which the leading and stern folding links 114a and 114b are rotated to the state of being engaged by the restraining part 2-1, the four-section link Structurally, when the leading folding link 114a is rotated in the folding direction, the stern folding link 114b should be rotated in the unfolding direction, and the stern folding link 114b is no longer extended by the restraining portion 2-1. As a result, the outrigger 2 remains unfolded because it is not rotated. This is operated in the same principle in the opposite case where the stern fold link 114b is rotated in the folding direction inward, so that the leading and stern fold links 114a, 114b are no longer rotated, so that the outrigger 2 is unfolded. State is maintained.

The folding driving means 12 is configured to drive the folding means 11 to be folded and unfolded. The folding driving means 12 is configured to move the head and stern sliders 113a and 113b in opposite directions (Sf, Su, Sf ', Su') along the guide bar 112. The direction in which the outrigger 2 is moved or opened in the folding direction F while the leading and stern folding links 114a and 114b of the folding means 11 are rotated in opposite directions (Rf, Ru, Rf ', Ru') It is moved to (U).

Referring to the drawings, the foldable driving means 12 is composed of a screw bar 121 and a driver 122.

The screw bar 121 is configured to reciprocate the head and stern sliders 113a and 113b in opposite directions. Referring to the drawings, the screw bar 121 is a rod-shaped member similar to the guide bar 112, and is disposed in parallel with the guide bar 112, so that both ends of the head and stern attachments 111a and 111b are provided. It is supported to be rotatable on the side of the hull (1). Male screws 121-1 and 121-2 screwed to female threads formed in the screw holes 113-2 of each of the leading and stern sliders 113a and 113b at each of the leading and stern side ends of the screw bar 121. Is formed. The head and stern sliders 113a and 113b in which the screw holes 113-2 are screwed to the male screws 121-1 and 121-2 are straight along the guide bar 112 by rotation of the screw bar 121. In the present invention, as described above, the head and stern sliders 113a and 113b are moved in opposite directions (Sf, Su, Sf ', Su') by one-way rotation of the screw bar 121. It is composed. To this end, male screws 121-1 and 121-2 formed at each of the leading end portion and the stern side end of the screw bar 121 are formed to have screw directions opposite to each other. For reference, a configuration in which the head and stern sliders 113a and 113b are moved in opposite directions (Sf, Su, Sf ', Su') by one rotation of the screw bar 121 includes the head and stern sliders ( The screw direction of the female screw of the screw hole 113-2 of 113a, 113b is the same, and the screw formation of the male screw 121-1, 121-2 formed at each of the leading end and stern side ends of the screw bar 121 is performed. It can be achieved by reversing the direction, but on the contrary, the screw forming direction of the male threads 121-1 and 121-2 formed at each of the leading end and stern side ends of the screw bar 121 is the same, and the leading and stern sliders ( It can be achieved by forming the screw direction of the female screw of the screw hole 113-2 of 113a, 113b in the opposite direction.

Female threads formed in the screw holes 113-1 of the head and stern sliders 113a and 113b, respectively, and male threads 121-1 and 121-2 formed at the head end and stern side ends of the screw bar 121, respectively. In engagement, each of the leading and stern sliders 113a and 113b is moved in opposite directions (Sf, Su, Sf ', Su') by one-way rotation of the screw bar 121.

The driver 122 is configured to rotate the screw bar 121. Referring to the drawings, the driver 122 includes a drive handle 122-1 supported on the side of the hull 1 and a driving handle ( It consists of a gear portion (122-2) consisting of a pair of bevel gears to transmit the rotation of the 122-1) to the screw bar (121).

On the other hand, in the drawing, the driver 122 is provided on the left side of the hull 1 so that the screw bar 121 mounted on the left side is directly rotated and the screw bar 121 mounted on the right side is the left screw bar 121 ) Is shown an embodiment configured to be rotated by receiving the rotational force by belt transmission from the right screw bar 121. Referring to the drawings, a belt pulley 123 is coupled to the stern side ends of each of the screw bars 121 provided on the left and right sides of the hull 1, and the belt pulley 123 is wound with a belt 124. The rotational power is configured to be transmitted from the left screw bar 121 to the right screw bar 121. When the passenger turns the drive handle 122-1 provided on the left side of the hull 1 by the belt transmission as described above, the screw bar 121 provided on the left side as well as the screw bar 121 provided on the right side rotates. Will be.

The operation of the outrigger folding device 10 constructed as above is conceptually illustrated in FIGS. 6A and 6B.

In the present invention, the outrigger (2) is hulled (1) by forward and reverse rotation of the drive handle (122-1) of the driver (122) by hand while the passenger of the kayak sits on the seat (5) of the hull (1). ) Close to the side of the stack, or spread at a certain distance from the side of the hull (1).

8A is a state in which the outrigger 2 is closely attached to the side of the hull 1, and in this state, the leading and stern sliders 113a and 113b of the folding means 11 are the hull 1 It is located in a location that is collected close to the center of the.

8B is a state showing a state in which the outrigger 2 is unfolded on the side of the hull 1, in this state, the head of the folding means 11 and the stern sliders 113a, 113b are in the center of the hull 1 They are located at a distance from each other.

As shown in FIG. 8A, in the state in which the outrigger 2 is closely attached to the side of the hull 1, the passenger handles the driving handle 122-1 of the driver 122 in one direction in order to unfold the outrigger 2 in an overlapped state. When rotated, the rotation is to rotate the screw bar 121 in one direction through the gear portion 122-2. The rotation of the screw bar 121 causes the leading and stern sliders 113a and 113b to be moved in opposite directions (Su and Su ') away from the center of each other, and accordingly the leading and stern sliders 113a and 113b The leading and stern folding links 114a and 114b are moved along the guide bar 112 while the leading and stern folding links 114a and 114b are connected to the guide bar 112 in directions (Ru, Ru ') ). As the leading and stern folding links 114a and 114b are rotated in the direction (Ru, Ru ') that is spread out from the guide bar 112, the outrigger 2 is moved away from the hull 1 in the unfolding direction (U). Will be moved. When the outrigger 2 is far from the hull 1 and reaches a fully expanded state, the leading and stern folding links 114a and 114b are caught by the restraining portion 115 and are no longer rotated in any direction. As shown in the outrigger 2 is maintained in a fully unfolded state.

On the contrary, as shown in FIG. 8B, in the state in which the outrigger 2 is fully extended on the side of the hull 1, the crew of the driver 122 in the opposite direction in order to fold the outrigger 2 in the opposite direction. When rotated, the rotation rotates the screw bar 121 in the opposite direction through the gear portion 122-2. The rotation of the screw bar 121 causes the leading and stern sliders 113a and 113b to move in opposite directions (Su and Su ') that are centrally collected from each other, and accordingly, the leading and stern sliders 113a and 113b. ) One end of the leading and stern folding links 114a and 114b is moved along the guide bar 112 while the leading and stern folding links 114a and 114b overlap the guide bar 112 in a direction Rf, Rf '). As the leading and stern folding links 114a and 114b are rotated in the directions Rf and Rf 'where the guide bars 112 are collected, the outrigger 2 approaches the hull 1 as it approaches the hull 1. The superimposition is moved in the direction (F).

On the other hand, the folding drive means 12 may be configured by a method of moving the head and stern sliders 113a and 113b reciprocally by driving a screw jack as in the embodiment shown in FIGS. 3 to 8B. However, it can be configured in various ways. 9 is a diagram conceptually showing another example of the folding driving means 12 'that connects the wires to move the leading and stern sliders 113a and 113b. Referring to FIG. 9, the folding drive means 12 ′ proposed as another embodiment embarks a winding handle 121 ′ configured to allow the passenger to rotate and reciprocate to loosen and wind the leading and stern wires 122a ′ and 122b ′. The head and stern wires 122a 'and 122b' that are installed on the side of the hull 1 at a position that can be held by the hand and are pulled to both sides of the winding handle 121 'and wound and unwound on the winding handle 121' ) Each strand is supported by leading and stern wire support rollers 123a 'and 123b' provided on the leading and stern sides of the hull 1 to change directions, and each of both ends of each strand is the leading and stern sliders. Connected to (113a, 113b), each leading and stern wire (122a ', 122b') is configured to be connected in a caterpillar. The folding drive means 12 'configured as described above, when the winding handle 121' rotates in both directions, the head and stern wires 122a 'and 122b' are wound and unwound on the winding handle 121 '. , In the process, each of the leading and stern wires 122a 'and 122b' is capable of reciprocating each of the leading and stern sliders 113a and 113b in both directions.

In addition, the foldable driving means for moving the head and stern sliders 113a and 113b may be configured with a wire as a chain. That is, another example of the foldable drive means using a chain is to install the drive chain to which the leading and stern sliders are connected in a caterpillar like a wire shown in FIG. 9, and the driver pulls and rotates the drive chain. It can be configured to.

The kayak propulsion device 20 according to the present invention is configured to propel the kayak hull 1 forward or backward by rotating the propeller 3 mounted under the kayak hull 1. 1 to 4 and 10 to 15b are shown in detail the structure and operation of the kayak propulsion device 20 according to the present invention.

The propulsion device 20 is fixed to the bottom (1a) of the hull (1) so as to drive by pedaling with the foot while the passenger is seated in the seat (5), the passenger is the foot of the hull (1) It is configured to rotate the propeller 3 by transferring it to the propeller 3 mounted under the bottom 1a.

Referring to the drawings, the propulsion device 20 is composed of a housing 21, a propeller 3, a pedal 22, a rotational force transmission means 23 and a pedal return means 24.

The housing 21 is a part of the propulsion device 20 fixed to the bottom 1a of the hull 1, and the rotational force transmission means 23 is received and protected therein, and the rotational force transmission means 23 The pedal 22 connected to the input side is mounted to protrude from both sides of the upper part of the housing 21 to the outside, and the propeller 3 connected to the output side of the rotational force transmitting means 23 is located at the lower part of the housing 21 It is a configuration for forming a case to be mounted to be exposed to the rear.

Referring to the drawings, the housing 21 is a part of the upper hull 1 is located above the bottom (1a) of the hull, the lower part of the hull 1 is located below the bottom (1a) of the hull It is fixed to the bottom of (1). The upper part of the housing 21 positioned on the upper part of the hull 1 is formed of a gear box part 211 of a substantially rectangular box shape, and extends downward in a column shape from the lower center of the gear box part 211. The connected portion 212 is formed, and at the bottom of the connecting portion 211, a propeller support portion 213 positioned below the bottom 1a of the hull 1 has a structure formed in a cylindrical shape in the front-rear direction. The housing 21 has an upper gear box portion 211 and a lower propeller support portion 212 such that the gear box portion 211 and the propeller support portion 213 are connected to the lower portion of the upper portion of the intermediate connection portion 212. And the connecting portion 213 is integrally formed.

In order to fix the housing 21 formed as described above to the hull bottom 1a, a housing passage hole 1b is formed in the bottom 1a in the hull 1, and the circumference of the passage hole 1b is upward. The extended support end 1c protrudes upward and is formed so that the inlet is positioned on the water surface so that no water overflows into the inlet. The gear box part 211 of the housing 21 is supported on the upper end of the support end 1c and is fixed to the upper end of the support end 1c. Accordingly, the housing 21 is the gear box portion 211 is supported on the upper end of the support end (1c) is located on the bottom (1a) of the hull (1), the propeller support (213) is Located at the bottom of the bottom (1a) of the hull (1), the connecting portion 212 is fixed to the bottom (1a) of the hull (1) passing through the housing through hole (1b).

The pedal 22 is configured to input the rotational force to the propulsion device 20 by the passenger sitting on the seat 5, stepping on the foot, and is configured like a pedal of a bicycle. Referring to the drawings, the pedal 22 is rotatable on a part of the upper portion of the housing 21 located above the bottom 1a of the hull 1, that is, protruding to both sides of the gear box portion 211 Is mounted. The pedal 22 is connected to both ends of the gear shaft 231a of the direction changing gear unit 231 described below, so that the rotation of the pedal 22 continues to the rotation of the gear shaft 231a.

The propeller (3) is configured to apply thrust to the hull (1) by the reaction force while rotating in the water while pushing the water. Referring to the drawings, the propeller 3 is rotatably mounted on a part of the lower portion of the housing 21 located at the bottom 1a of the hull 1, that is, a rear end of the propeller support 233. It is rotated underwater under the bottom 1a of (1).

The rotation force transmitting means 23 is a configuration provided inside the housing 21 by combining gears, clutches, and the like to transmit rotation of the pedal 22 to the propeller 3. The rotational force transmitting means 23 receives the rotational force of the pedal 22 and transfers the output of the direction changing gear part 231 for switching and outputting the rotational direction, and the output of the direction changing gear part 231 to the propeller. The rotation transmission unit 232 is provided and configured.

The direction change gear unit 231 is provided with a gear shaft 231a, a clutch sleeve 231b, a pair of direction change gears 231c, 231c 'and an output gear 231d, and the housing 21 It is accommodated inside the gear box portion 211 of the.

The gear shaft 231a is a shaft member connected to the pedal 22 and receiving rotational force through rotation of the pedal 22. The gear shaft 231a may be directly connected to the pedal 22, but the drawing shows an embodiment indirectly connected to the pedal 22 through the one-way clutch 241 constituting the pedal returning means 24 described below. In the description will be made with reference to the drawing in which the gear shaft 231a is connected to the one-way clutch 241 that mediates the gear shaft 231a and the pedal 22.

Referring to the drawings, the gear shaft 231a has a cylindrical shape in which a spline is formed on the outer surface for convenience of processing and assembly, and a spline-coupled by inserting the core shaft 231a-1. It consists of a spline case (231a-2).

Both ends of the core shaft 231a-1 are exposed to both sides of the spline case 231a-2, and the exposed end portions are inserted into holes formed in the center of the clutch cam 241b of the one-way clutch 241. It is spline coupled, and accordingly the rotational force from the pedal 22 through the one-way clutch 241 is input to the core shaft 231a-1.

The spline case 231a-2 is spline coupled to the core shaft 231a-1 and rotates integrally with the core shaft 231a-1. A sleeve spline portion 231a-3 for spline coupling while the clutch sleeve 231b is slidable in the axial direction is formed at a central portion of the spline case 231a-2, and the sleeve spline portion 31a-3 ) Are formed on both sides of the gear shifting portions 231a-4 and 231a-4 'where the direction changing gears 231c and 231c' are slidably inserted and supported.

The clutch sleeve 231b is configured to transmit or disconnect rotation of the gear shaft 231a to the direction change gears 231c and 231c '. Referring to the drawings, the clutch sleeve 231b is engaged with a spline formed in the sleeve spline portion 231a-3 of the gear shaft 231a and rotates integrally with the gear shaft 231a, and also the gear shaft 231a It is configured to slide in the longitudinal direction of the gear shaft 231a so as to come into contact with and fall off in contact with a pair of direction changing gears 231c and 231c 'located on both sides of). Referring to the drawing, a stick groove 231b-1 is formed in the clutch sleeve 231b to be axially hung while the end of the clutch stick 231e slides in the rotational direction at the central portion, and the opposite direction is provided at the side surfaces of both ends. Clutch protrusions 231b-2 that are engaged with the clutch portions 231c-1 formed inside the switching gears 231c and 231c 'are formed.

The clutch sleeve 231b configured as described above is slidably moved from side to side in the axial direction of the gear shaft 231a by a rider operating the clutch stick 231e from side to side, and the distal end side thereof is the direction changing gear 231c , 231c '), the clutch protrusion 231b-2 formed on the side of the distal end is engaged with the clutch portion 231c of the direction changing gears 231c and 231c'.

The pair of direction changing gears 231c and 231c 'are disposed on both sides of the clutch sleeve 231b, respectively, and are inserted into the gear mounting portions 231a-4 and 231a-4 of the gear shaft 231a while sliding. It is mounted to be supported at both ends of the gear shaft 231a to enable relative rotation with the gear shaft 231a.

Both side ends of the clutch sleeve 231b are in contact with the inner surfaces of the pair of direction changing gears 231c and 231c ', and upon contact, the clutch protrusions 231b-2 of the clutch sleeve 231b are in contact with each other. The physical clutch portion 231c-1 is formed in a projection shape.

That is, the pair of direction change gears 231c and 231c 'includes a clutch portion 231c-1 that engages and engages the clutch protrusions 231b-2 formed on both side end portions of the clutch sleeve 231b on each inner side. ) Are formed, and are respectively located on both sides of the clutch sleeve 231b so as to be rotatable relative to the gear shaft 231a and supported at each of both end portions of the gear shaft 231a.

The output gear 231d is simultaneously engaged with the pair of direction changing gears 231c and 231c '. Referring to the drawings, the pair of direction change gears 231c and 231c 'and the output gear 231d are formed of bevel gears and arranged at right angles to each other to be engaged with each other. The output gear 231d is coupled to the upper end of the connection shaft 232a of the rotation transmission unit 232 so that the output gear 231d and the connection shaft 232a are integrally rotated. Accordingly, the output gear 231d receives rotational force from one of the pair of direction changing gears 231c and 231c 'and is integrally rotated with the connection shaft 232a.

The direction change gear unit 231 configured as described above changes the direction of rotation of the input in one direction by rotating the pedal 22 in one direction, and rotates the output gear 231d, resulting in the output through the rotation transmission unit 232. The rotational direction of the propeller 3 receiving the rotation of the gear 231d is changed, so that the hull 1 can be moved forward or backward.

14A to 14C conceptually illustrate the operation of the direction change gear unit 231 configured as described above. First, FIG. 14A is a view showing a neutral state in which rotation of the pedal 22 is not transmitted to the output gear 231d. Referring to Figure 14a, when the passenger is operating the clutch stick (231e) to a central position, the clutch sleeve (231b) is located in the central position of the gear shaft (231a) both sides of the distal end side of the direction change gear (231c) , 231c '). Accordingly, even if the gear shaft 231a and the clutch sleeve 231b are rotated by the rotation of the pedal 22, the pair of direction changing gears 231c and 231c 'located on both sides are not rotated but stopped. State. Therefore, the output gear 231d engaged with all of the pair of direction changing gears 231c and 231c 'is also not rotated.

Next, FIG. 14B is a view showing a state in which the clutch sleeve 231b is connected to the right direction switching gear 231c so that the rotation of the pedal 22 rotates the output gear 231d in the forward direction Tf. Referring to Figure 14b, when the passenger is operated in a direction to rotate the clutch stick (231e) in the left direction (Af), the end of the clutch stick (231e) is caught in the stick groove (231b-1) while the clutch sleeve (231b) Is pushed in the right direction (Bf). Accordingly, while the clutch sleeve 231b is moved in the right direction Bf of the gear shaft 231a, the right end end side comes into contact with the inner surface of the direction changing gear 231c located on the right side, and as a result, the clutch sleeve 231b ), The clutch protrusion 231b-2 formed on the side of the right end portion is engaged with the clutch portion 231c-1 of the direction changing gear 231c located on the right side. Accordingly, the rotation of the pedal 22 rotates the gear shaft 231a, the clutch sleeve 231b, and a direction changing gear 231c located on the right side, and a direction changing gear 231c located on the right side. The output gear 231d engaged with is rotated in the forward direction Tf.

Conversely, FIG. 14C is a view showing a state in which the clutch sleeve 231b is connected to the left-hand shift gear 231c 'so that the rotation of the pedal 22 rotates the output gear 231d in the reverse direction Tb. Referring to Figure 14c, when the passenger is operated in a direction to rotate the clutch stick (231e) in the right direction (Ab), the end of the clutch stick (231e) is caught in the stick groove (231b-1) while the clutch sleeve (231b) ) In the left direction (Bb). Accordingly, while the clutch sleeve 231b is moved in the left direction Bb of the gear shaft 231a, the left end side surface comes into contact with the inner surface of the direction changing gear 231c 'located on the left side, and as a result, the clutch sleeve ( The clutch protrusion 231b-2 formed on the side of the left end portion of 231b) is engaged with the clutch portion 231c-1 of the direction changing gear 231c 'located on the left side. Accordingly, the rotation of the pedal 22 rotates the gear shaft 231a, the clutch sleeve 231b, and the direction change gear 231c 'located on the left side, and the direction change gear 231c located on the left side. The output gear 231d engaged with ') is rotated in the reverse direction Tb.

The rotation transmission unit 232 is configured to be provided with a connecting shaft 232a and a transmission gear 232b, and is accommodated inside the connection portion 212 and the propeller support portion 213 of the housing 21.

The connecting shaft 232a is an axial member connecting the output gear 231d of the direction changing gear unit 231 and the transmission gear 232b. The connecting shaft 232a has an upper end connected to the output gear 231d of the direction changing gear part 231 and vertically erected to extend from the gear box part 211 to the propeller support part 213. Referring to the drawings, the connection shaft 232a passes through the connection portion 212 of the housing 21 and extends from the gear box portion 211 to the propeller support portion 213, so that the housing 21 has a configuration such as a bearing. ) Is rotatably supported.

The transmission gear 232b is provided on the rotation shaft of the connection shaft 232b and the propeller 3 to transmit rotation of the connection shaft 232a to the rotation shaft of the propeller 3, and a pair of bevel gears meshed with each other It consists of. Referring to the drawings, the transmission gear 232b is accommodated inside the propeller support portion 213.

The pedal return means 24 is a configuration for inputting rotation in one direction to the gear shaft 231a while only a force for the passenger to step on the pair of pedals 22 is applied. Normally, when the pedal 22 is rotated once, the gear shaft 231a is rotated in the rotational direction of the pedal, but the operation of rotating the pedal 22 with both feet while the passenger is sitting in the seat 5 is difficult and difficult. Accordingly, the present invention is characterized in that it is configured by the pedal return means 24 to allow the passenger to step on the pair of pedals 22 alternately in the direction of pushing forward. At this time, the pedal 22 that the passenger has stepped on and rotated forward can be re-pressed again, so that the passenger can step on again, and the pedal returning means 24 is configured to return the pedal 22 rotated forward by the passenger stepping on the rear. .

Referring to the drawings, the pedal return means 24 is configured by a pair of one-way clutches 241 and 241 ', a pair of drum gears 242 and 242', and an intermediate gear 243.

The pair of one-way clutches 241 and 241 'are gears when only the rotational force rotated forward by the passenger's step on the pedal 22 is transmitted to the gear shaft 231a and the pedal 22 is rotated rearward. It is configured to disconnect the connection to the shaft 231a.

Referring to the drawings, the one-way clutch 241, 241 'is a clutch drum 241a connected to the pedal 22 at the center of rotation of the pedal 22 so as to rotate integrally with the pedal 22, and the clutch drum ( 241a), the clutch drum 241a is provided with a clutch cam 241b that is engaged with or disconnected from the clutch drum 241a so that rotation is only connected in one direction by the clutch drum 241a and a cam mechanism.

Both ends of the gear shaft 231a are spline coupled to the clutch cam 241b, so that the clutch cam 241b and the gear shaft 231a are integrally rotated.

The pair of drum gears 242 and 242 'and the intermediate gear 243 rotate the left (or right) pedal 22 backward when the right (or left) pedal 22 rotates forward so that the passenger can step on it. It is a configuration for returning to a position. Referring to the drawings, each of the pair of drum gears 242 and 242 'is coupled to the clutch drum 241a of each of the pair of one-way clutches 241 and 241' to rotate integrally with the clutch drum 242a. Accordingly, the clutch drum 241a and the drum gears 242 and 242 'are rotated integrally with the pedal 22 by rotation of the pedal 22. The intermediate gear 243 is configured to transmit the rotation of the drum gear on one side to the rotation of the other drum gear by being engaged with the pair of drum gears 242 and 242 'simultaneously. In the drawing, the pair of drum gears 242 and 242 ′ and the intermediate gear 243 are formed of bevel gears and arranged at right angles to each other to show an exemplary embodiment.

The pedal return means 24 configured as described above can continuously rotate the gear shaft 231a in one direction only by alternately stepping on the pair of pedals 22. 15A and 15B are diagrams conceptually showing the operation of the pedal return means 24.

First, as shown in FIG. 15A, when the passenger on the right pedal 22 rotates to the front (Cf1), the drum gear 242 located on the right is also rotated to the front (Cf2), and the rotation is located on the right. The gear shaft 231a is rotated forward (Cf3) by the connection of the one-way clutch 241. On the other hand, the intermediate gear 243 engaged with the drum gear 241 located on the right is rotated in the right rotation direction (Cf4) and consequently located on the left side of the intermediate gear 243, the drum engaged with the intermediate gear 243 The gear 242 'is rotated rearward (Cf5). Since the drum gear 242 'located on the left side is rotated to the rear (Cf5), the pedal 22 located on the left side is also rotated to the rear (Cf6) to return to a position where the passenger can step on again. At this time, the drum gear 242 'located on the left side is not connected to the one-way clutch 241' located on the left side in the process of being rotated to the rear (Cf5), so the drum gear 242 'located on the left side has a gear shaft ( It is free to rotate without interfering with the rotation of 231a).

Conversely, as shown in FIG. 15B, when the passenger on the left pedal 22 rotates forward (Cb1), the drum gear 242 'located on the left side is also rotated forward (Cb2), and the rotation is located on the left side. The gear shaft 231a is rotated forward (Cb3) by the connection of the one-way clutch 241 '. On the other hand, the intermediate gear 243 engaged with the drum gear 241 'located on the left side is rotated in the left rotation direction Cb4 and consequently located on the d right side of the intermediate gear 243, and the intermediate gear 243 The engaged drum gear 242 is rotated rearward (Cb5). Since the drum gear 242 located on the right side is rotated to the rear (Cb5), the pedal 22 located on the right side is also rotated to the rear (Cb6) to return to the position where the passenger can step on again. At this time, the drum gear 242 located on the right side is not connected to the one-way clutch 241 located on the right side in the process of being rotated to the rear (Cb5), so the drum gear 242 located on the right side of the gear shaft 231a It is free to rotate without interfering with rotation.

The steering device 30 is a configuration for adjusting or changing the propulsion direction by rotating the kayak hull 1 by rotating the direction key 4 mounted at the rear of the kayak hull 1 to the left and right, and the steering device 20 is It is characterized in that the passenger is seated in the seat 5 and the foot is configured to adjust the rotation of the direction key 4 with the knee. 1 to 4 and FIGS. 16 to 21 show the structure and operation of various embodiments of the steering device 30 in detail.

Referring to the drawings, the steering device 30 is composed of a steering drum 31, a connector 32, an arrow key 4 and a pair of cables 33.

The steering drum 31 is rotatably supported and mounted on the top of the bottom 1a of the hull 1 so that the passenger can rotate left and right. Referring to the drawings, the steering drum 31 is a hull (1) at a position between the pedal 22 and the seat 5 of the propulsion device 20 so that the passenger can press and rotate with his feet while sitting in the seat 5 ) Is rotatably mounted on the top of the bottom 1a. The rotating drum 31 is not only configured to rotate the direction key 4 by pulling the cable 33 while the cable 33 is wound and unwound on its outer periphery, but also the cable 33 therein. The steering slider 333 pulling in one direction may be mounted.

Referring to the drawing, the steering drum 31 is composed of a lower base drum 311 and a cover drum 312 covering the upper portion thereof, and has a structure in which a steering slider 313 is mounted.

The base drum 311 is supported on the hull bottom 1a to be rotatable about a support shaft 331a at the lower center. The pair of cables 33 are connected to both sides of the base drum 311, and the base drum 311 so that the cable 33 is seated and wound without being detached by rotation of the steering drum 31 The outer circumferential surface of the cable winding groove (311b) is formed by being elongated in the circumference direction. Cable passage holes 311c are formed on both sides of the base drum 311 to insert and pass each end portion of the pair of cables 33 at the starting position of the cable winding groove 311a. On the other hand, inside the steering drum 31, the steering slider 313 is moved to the left and right so as to pull the cable 33 without rotating the steering drum 31 is mounted, the base drum 311 Inside the guide groove 311d for guiding the left and right movement of the steering slider 313 is formed long in the left and right directions.

 The cover drum 312 is coupled to the upper portion of the base dirt 311 so as to cover the upper portion of the base drum 311 and support the steering slider 313 mounted inside the steering drum 31 so as not to be separated. It is a configuration. On the upper surface of the cover drum 311, the steering lever 313b of the steering slider 313 is penetrated up and down so as to pass, and a guide slot 312a is provided so as to slide without interference when moving the left and right sides of the steering slider 313. It is formed long in the left-right direction. In addition, a lever seating groove 312b for receiving the upper portion of the cover drum 312 at the upper portion of the cover drum 312 does not protrude upward, and a steering lever 313b is located at the center of the guide slot 312a. It is formed by elongating forward from the position. The guide slot 312a and the lever seating groove 312b have a T-shape as a whole.

The steering slider 313 is configured to allow the cable 33 to be pulled by only moving left and right of the steering slider 313 without rotating the steering drum 31. Referring to the drawings, the steering slider 313 is composed of a sliding block 313a and a steering lever 313b.

The sliding block 313a is supported by a guide groove 311d formed in the left and right sides of the base drum 311 and moved left and right along the guide groove 311d. Each end of each of the cables 33 inserted into the steering drum 31 through the cable passing hole 311c is coupled to both sides of the sliding block 313a. When the sliding block 313a is moved in one direction along the guide groove 311d, the cable 33 connected to the position of the other side of the sliding block 313a is pulled, and as a result, the direction key 4 Will rotate.

The steering lever 313b is connected to the sliding block 313a to apply a pushing force to the steering slider 313 in order for the passenger to move the steering slider 313 to the left and right sides of the cover drum 312 It is a configuration exposed to the top. Referring to the drawings, the steering lever 313b is formed of a rod-shaped member, and its lower end is hinged to the upper portion of the sliding block 313a so that it can rotate in the front-rear direction. The steering lever 313b hinged to the upper portion of the sliding block 313a passes through the guide slot 312a and is exposed to the upper portion of the cover drum 312. The steering lever 312b is hinged to the sliding block 313a so as to be rotatable in the front-rear direction, and is rotated forward to lie down and accommodated in a lever seating groove 312b formed on an upper surface of the cover drum 312. To settle down. When the passenger does not use the steering slider 313, the steering lever 313b is laid down and seated in the lever seating groove 312b, and when the steering slider 313 is to be used, the steering lever 313b Will be set up vertically. In the state in which the steering lever 313b is erected, the passenger can rotate the steering key 4 by moving the steering slider 313 from side to side by pushing the steering lever 313b from side to side with hands, knees, or feet.

On the other hand, as described above, the passenger can not only rotate the pedal by stepping on the steering drum 31, but also hold the steering lever 313b for moving the steering slider 313 left and right by hand, and the steering drum 31 It can be configured to rotate left and right. To this end, the steering lever 313b is preferably located at an eccentric position in the center of rotation of the steering drum (31).

The connector 32 is configured to allow a pair of cables 33 to be connected to a position capable of rotating the rudder 4. Referring to the drawing, the connector 32 has a structure extending from the center of rotation of the direction key 4 to an eccentric position to the left and right and connected to the direction key 4 so as to rotate integrally with the direction key 4 Have The ends of each of the pair of cables 33 are connected to a portion extending from the center of rotation of the direction key 4 to an eccentric position from side to side.

The pair of cables 33 are configured to transmit the force pulled by the left and right rotation of the steering drum 31 or the left and right movement of the steering slider 313 to the connector 32. Referring to the drawings, the pair of cables 33 are respectively connected to the steering drum 31 so that each end is wound around the outer periphery of the steering drum 31. In addition, each of the pair of cables 33 extends from the left and right sides of the steering drum 31 in the direction of the direction key 4 so that each other end is connected to an eccentric position on both left and right sides of the connector 32. do.

On the other hand, as described above, each of the pair of cables 33 is inserted into a cable passing hole 311c formed on both sides of the base drum 311, and the end thereof is mounted inside the steering drum 31. It has a structure connected to each of both sides of the slider 313. That is, the cable 33 is supported by cable passing holes 311c formed on both sides in the width direction of the steering drum 31, and one end thereof is connected to the steering slider 313. At this time, the cable passing hole 311c functions as a 'cable support' where the cable 33 is supported.

The steering device 30 configured as described above can rotate the steering drum 31 from side to side or move the steering slider 313 from side to side to rotate the direction key 4 from side to side.

18A to 18C conceptually illustrate an operation in which the direction key 4 is rotated by left and right rotation of the steering drum 31.

FIG. 18A shows a state in which the steering drum 31 is not rotated to the left and right, but is positioned at a neutral position, and the direction key 4 is stopped at a neutral position to move the hull straight.

Next, FIG. 18B shows a state in which the hull is rotated to the right by turning the steering drum 31 in the left direction Df1. Referring to FIG. 18B, when the passenger turns the steering drum 31 in the left direction Df1, the cable positioned on the right side of the pair of cables 33 is wound around the steering drum 31 and moves forward (Df2). As the cable is positioned on the right side, the direction key 4 is also rotated in the left direction by pulling the connector 32 and rotating it in the left direction Df3.

Conversely, FIG. 18C shows a state in which the hull is rotated left by the rider turning the steering drum 31 in the right direction Db1. Referring to FIG. 18C, when the passenger turns the steering drum 31 in the right direction Db1, the cable positioned on the left side of the pair of cables 33 is wound around the steering drum 31 and moves forward (Db2). It is pulled and the cable located on the left side pulls the connector 32 and rotates it in the right direction Db3, so that the direction key 4 is also rotated in the right direction.

Meanwhile, FIGS. 19A to 19C conceptually illustrate an operation in which the direction key 4 is rotated by moving the steering slider 313 in the left and right directions without rotating the steering drum 31.

19A shows a state in which the steering slider 313 is not moved left and right, but is positioned at a neutral position, so that the direction key 4 is stopped at a neutral position and the hull is straight.

Next, FIG. 19B shows a state in which the ship hull is rotated right by moving the steering slider 313 in the left direction Ef1. Referring to FIG. 19B, when the passenger moves the steering slider 313 in the left direction Ef1, the cable positioned on the right side of the pair of cables 33 is pulled toward the front Ef2 and accordingly positioned on the right side. By pulling the connector 32 and rotating it in the left direction Ef3, the direction key 4 is also rotated in the left direction.

Conversely, FIG. 19C shows a state in which the ship hull is rotated left by moving the steering slider 313 in the right direction Eb1. Referring to FIG. 19C, when the passenger moves the steering slider 313 in the right direction (Eb1), the cable located on the left side of the pair of cables 33 is pulled toward the front (Eb2) and accordingly positioned on the left side. When the cable is pulled, the connector 32 is pulled and rotated in the right direction Eb3, so that the direction key 4 is also rotated in the right direction.

On the other hand, in the above-described embodiment, it has been described that the rider is configured to move the steering slider 313 from side to side by pulling the steering lever from side to side, the steering slider 313 as shown in FIG. It can be configured to rotate around the support point of the lever and rotate the steering lever like a lever to move the steering slider 313 from side to side. In FIG. 20, (a) shows a state in which the steering slider 313 is in a neutral position as the steering lever is erected vertically, and (b) shows the steering slider (B) by rotating the steering lever to the left (Gf1) direction. 313) shows a state in which the right side (Gf2) is moved, and (c) shows a state in which the steering slider 313 is moved to the left side (Gb2) by rotating the steering lever in the right (Gb1) direction.

The steering key may be configured to steer the direction of the kayak provided only at the rear end of the hull 1 by the steering device as described above, but FIG. 21 is shown so that steering can be smoothly performed even when driving in reverse or forward flow like a river. As described above, the steering device is equipped with direction keys (4,4 ') at each of the aft and the head of the hull (1), and can rotate both the aft and the head of the head (4,4') with one steering drum (31). It can be configured to.

The kayak propulsion device described above and illustrated in the drawings is only one embodiment for carrying out the present invention and should not be interpreted as limiting the technical spirit of the present invention. The protection scope of the present invention is defined only by the matters described in the following claims, and the improved and modified embodiments without departing from the gist of the present invention are apparent to those skilled in the art to which the present invention pertains. It will be said that it belongs to the protection scope of the present invention.

1 hull
1a hull bottom
1b housing through hole
1c support
2 Outrigger
2-1 hinge
3 propeller
4-way key
5 seats
10 Outrigger folding device
11 Folding means
111a, 111b leading and stern attachments
112 guide bar
113a, 113b leading and stern sliders
113-1 sliding hole
113-2 screw hole
113-3 hinge
114a, 114b Leading and stern folding links
114-1,114-2 hinge shaft
115 Restraint (stopping protrusion)
12 Folding drive means
121 screw bar
121-1,121-2 male thread
122 actuator
122-1 drive handle
122-2 gear section
123 belt pulley
124 belt
20 propulsion devices
21 housing
211 gear box section
212 connections
213 propeller support
22 pedals
23 Means of transmitting torque
231 direction change gear
231a gear shaft
231a-1 core shaft
231a-2 spline case
231a-3 sleeve spline section
231a-4, 231a-4 'gear mount
231b clutch sleeve
231b-1 Stick Groove
231b-2 clutch projection
231c, 231c 'directional shift gear
231c-1 clutch
231d output gear
231e clutch stick
232 rotation transmission
232a connecting shaft
232b transmission gear
24 pedal return means
241,241 'one-way clutch
241a clutch drum
241b clutch cam
242,242 'drum gear
243 intermediate gear
30 Steering system
31 steering drum
311 bass drum
311a support shaft
311b cable winding groove
311c cable through hole
311d guide home
312 cover drum
312a guide slot
312b Lever seating groove
313 steering slider
313a sliding block
313b steering lever
32 connector
33 cables

Claims (5)

In the kayak propulsion device for propulsion of the hull forward or rear,
A housing fixed to the bottom of the hull such that a portion of the upper portion is located at the bottom of the hull and a portion of the lower portion is located at the bottom of the bottom of the hull;
A propeller rotatably mounted to a part of the lower portion of the housing located at the bottom of the hull and rotating under the bottom of the hull;
A pedal that is rotatably mounted on a portion of the upper portion of the housing located at the bottom of the hull and rotates by a rider on foot;
Kayak propulsion device characterized in that the rotational force transmission means provided in the housing is provided to transmit the rotation of the pedal to the propeller. According to claim 1,
The housing is composed of an upper gear box portion, a lower propeller support portion, and a connecting portion connecting the gear box portion and the propeller support portion,
A housing passage hole is formed in the bottom of the hull,
The housing is characterized in that the gear box portion is located at the bottom of the hull, the propeller support is located at the bottom of the hull, and the connection part is fixed to the bottom of the hull through the housing through hole. Kayak propulsion device. According to claim 2,
The rotational force transmitting means includes a direction changing gear unit that receives the rotational force of the pedal and converts and outputs a rotational direction,
Kayak propulsion device, characterized in that provided with a rotation transmission unit for transmitting the output of the direction change gear to the propeller. According to claim 3,
The rotation transmission unit is connected to the output gear of the direction change gear portion and a vertically connected connecting shaft,
The transmission shaft is provided on the rotation shaft of the connection shaft and the propeller so as to transmit rotation of the connection shaft to the rotation shaft of the propeller.
The direction change gear portion is accommodated inside the gear box portion,
The connecting shaft extends from the gear box portion to the propeller support portion,
Kayak propulsion device, characterized in that provided in the connection shaft and the rotating shaft of the propeller and the transmission gear engaged with each other is accommodated inside the propeller support. The method of claim 3 or 4,
The direction change gear portion, a spline is formed in the central portion of the gear shaft is rotated by receiving the rotational force of the pedal,
A clutch sleeve engaged with the spline of the gear shaft and moving in the longitudinal direction of the gear shaft;
A clutch part is formed on each inner side to be engaged with both ends of the clutch sleeve, and is respectively located on both sides of the clutch sleeve and supported at each of both ends of the gear shaft to be rotatable relative to the gear shaft. A pair of turn gears,
Kayak propulsion device is configured to be coupled to the upper end of the connection shaft to rotate integrally with the connection shaft is provided with an output gear that is engaged with the pair of direction change gear at the same time.

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