KR101723882B1 - Powertrain for pedal kayaks - Google Patents

Powertrain for pedal kayaks Download PDF

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Publication number
KR101723882B1
KR101723882B1 KR1020150106286A KR20150106286A KR101723882B1 KR 101723882 B1 KR101723882 B1 KR 101723882B1 KR 1020150106286 A KR1020150106286 A KR 1020150106286A KR 20150106286 A KR20150106286 A KR 20150106286A KR 101723882 B1 KR101723882 B1 KR 101723882B1
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KR
South Korea
Prior art keywords
pedal
propeller
case
power
kayak
Prior art date
Application number
KR1020150106286A
Other languages
Korean (ko)
Other versions
KR20170013531A (en
Inventor
조영훈
Original Assignee
조영훈
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Publication date
Application filed by 조영훈 filed Critical 조영훈
Priority to KR1020150106286A priority Critical patent/KR101723882B1/en
Publication of KR20170013531A publication Critical patent/KR20170013531A/en
Application granted granted Critical
Publication of KR101723882B1 publication Critical patent/KR101723882B1/en

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    • B63B35/71—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H16/00—Marine propulsion by muscle power
    • B63H16/08—Other apparatus for converting muscle power into propulsive effort
    • B63H16/12—Other apparatus for converting muscle power into propulsive effort using hand levers, cranks, pedals, or the like, e.g. water cycles, boats propelled by boat-mounted pedal cycles
    • B63H16/14—Other apparatus for converting muscle power into propulsive effort using hand levers, cranks, pedals, or the like, e.g. water cycles, boats propelled by boat-mounted pedal cycles for propelled drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H16/00—Marine propulsion by muscle power
    • B63H16/08—Other apparatus for converting muscle power into propulsive effort
    • B63H16/20—Other apparatus for converting muscle power into propulsive effort using rotary cranking arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/02—Initiating means for steering, for slowing down, otherwise than by use of propulsive elements, or for dynamic anchoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/52—Parts for steering not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
    • B63B2035/715—

Abstract

The present invention relates to a power transmission apparatus for a pedal car, which comprises a pedal for receiving power from a user; A housing unit including a first case having a pedal connected to an upper portion thereof and being detached / attached to a pedal kayak, and a second case having a lever connecting bar installed to be relatively rotatable inward relative to the first case; Power transmission means for transmitting the power transmitted through the pair of pedals to the propeller; And a propeller for transmitting the rotational power applied to the pedals through the power transmission means and rotating in the water so that the pedal kayak can advance on the water.

Description

{Powertrain for pedal kayaks}

The present invention relates to a pedal car power transmission device, and more particularly, to a pedal kayak having a structure capable of assembling a unit and a frame for advancing a kayak by rolling a pedal in a river or sea, will be.

In general, kayaks sit in the seats and forward their feet and alternate the paddle to alternate left and right.

However, because of the disadvantage that it is difficult for the general public to make a kayak, there is a kayak that pedals that can be easily driven by the general public to overcome these shortcomings.

Such conventional pedal kayaks are generally manufactured for one person or in a state in which a seating capacity is fixed, so that it is impossible to control the number of passengers.

On the other hand, a kayak using a conventional pedal is equipped with a pedal that can be pawled at the center of the kayak, as in 2013-0100108 (2013.08.23, a boat moving on foot).

However, there is a problem that the conventional foot is moved to move the pedal back and forth.

It is an object of the present invention to provide a power transmission device capable of transmitting power transmitted from a pedal to a propeller and being easily installed in a kayak.

In order to achieve the above object, a power transmission apparatus according to an embodiment of the present invention transmits power applied to a pedal to a propeller so as to transmit power between a pedal and a propeller rotated by a user's pedaling, A pedal car power transmission device for adjusting a direction of a pedal car, the pedal car having an upper portion connected to the pedal and detached / attached to the pedal kayak, a case along a lower cap surface, A housing unit including a second case provided with a lever connecting bar to be connected by steering; Power transmission means for transmitting power transmitted through the pair of pedals to the propeller; And a propeller that receives rotational power applied to the pedals through the power transmission means and rotates in water so that the pedal kayak can advance on the water.

An annular support portion fixed to the second case and provided with at least one guide bar between the case and the second case along the lower cap surface of the housing unit employed in one embodiment of the present invention; An annular fixed cap portion having a cam surface of a concave-convex shape having a rounded lower side; A moving member which is formed so that a guide groove into which the guide bar of the support part is inserted corresponds to the guide bar and which is provided with at least one pair of guide rollers on the upper part and moves up and down along the cap surface of the lower part of the fixed cap part; And a resilient member provided between the moving member and the supporting member, the resilient member providing an elastic force to the moving member.

The power transmission means is connected to the pedal and the propeller in the second case inside the second case to transmit the power transmitted from the pedal to the propeller, A rotating central axis; A first bevel gear provided on the pedal and the center shaft to transmit rotational force of the pedal to the center shaft; And a second bevel gear provided on the lower portion of the central shaft and on the propeller for transmitting rotational power of the center shaft to the propeller.

The propeller is preferably provided with a pair of guide blades for guiding water from both sides thereof.

According to the embodiment of the present invention, since the housing unit is detachably connected to the center frame via the stationary bar, the housing unit connected to the pedal and the propeller can be mounted / dismounted from the kayak depending on whether the kayak is used or not. It is possible to separate and manage them separately.

1 is a side view of a pedal kayak equipped with a power transmission device according to an embodiment of the present invention;
2 is a side view for explaining a power transmitting apparatus according to an embodiment of the present invention;
3 is a view for explaining a steering recovery means provided in a power transmitting apparatus according to an embodiment of the present invention;
4 is an exploded perspective view of the steering recovery means employed in an embodiment of the present invention;
5 is a cross-sectional view taken along the line VV in Fig.
6 is a VV cross-sectional view for explaining the operation of the steering recovery means in Fig. 3;
7 is a view for explaining a steering recovery means employed in another embodiment of the present invention.
8 is a view for explaining the steering restoration means employed in another embodiment of the present invention.

FIG. 1 is a side view of a pedal kayak equipped with a power transmission apparatus according to an embodiment of the present invention, FIG. 2 is a side view for explaining a power transmitting apparatus according to an embodiment of the present invention, 4 is an exploded perspective view of the steering recovery means employed in an embodiment of the present invention. FIG. 5 is a sectional view taken along line VV of FIG. 3, Fig. 6 is a VV cross-sectional view for explaining the operation of the steering recovery means in Fig. 3;

As shown in the drawings, the power transmission device according to an embodiment of the present invention includes a pedal car, which is installed in a pedal kayak to transmit power transmitted from a user to a propeller, And includes a pedal 100, a housing unit 200, and a propeller 300, and the pedal 100 and the propeller 300 are power-connected via power transmission means.

The pedal 100 serves to receive power from the user. The pedal 100 in one embodiment is preferably installed vertically in the housing unit 200. Thus, the pedal 100 can be depressed while the user is seated.

The housing unit 200 includes a case 201 and a second case 202 along a lower cap surface. The pedal 100 is connected to the upper part of the case 201 along the lower cap surface and is attached to and detached from the center frame of the pedal kayak and the second case 202 is disposed inside the case 201 along the lower cap surface And is provided with a lever connecting bar 203 which is installed to be relatively rotatable and connected by steering.

Meanwhile, the power transmission means transmits the power transmitted through the pedal 100 to the propeller 300.

The propeller 300 receives the rotational power applied to the pedal 100 through the power transmitting means, and rotates in the water to enable the pedal kayak to advance on the water.

As described above, according to the embodiment of the present invention, the housing unit is detachably connected to the center frame of the pedal kayak, so that the housing unit, to which the pedal and the propeller are connected, , And the housing unit can be separated from the pedal kayak in case of failure and can be individually repaired.

2 and 3, the power transmitting means employed in an embodiment of the present invention includes first bevel gears 110 and 210, a center shaft 220 and second bevel gears 230 and 330, .

The first bevel gears 110 and 210 are provided with vertical gears to transmit the rotational force of the pedals 100 to the center shaft 220 and the horizontal gears are provided above the center shaft 220, do. The first bevel gears 110 and 210 convert the vertical rotation movement transmitted from the vertically installed pedal 100 into a horizontal rotation movement and transmit the horizontal rotation movement to the center shaft 220, (Not shown).

The center shaft 220 is connected to the pedal 100 and the propeller 300 from the inside of the second case 202 to transmit the power transmitted from the pedal 100 to the propeller 300 And can freely rotate about the central axis 220 of the second case 202. [

The second bevel gears 230 and 330 are provided with horizontal gears under the center shaft 220 and with vertical gears in the propeller 300 in order to transmit rotational power of the center shaft 220 to the propeller 300. [ . Here, the second bevel gears 230 and 330 convert the horizontal rotation of the center shaft 220 into a vertical rotation movement and transmit the same to the propeller 300.

Thus, according to one embodiment of the present invention, the rotation of the propeller 300 located in the water enables the pedal kayak to advance.

According to the power transmitting means employed in the embodiment of the present invention, the power of the user is transmitted to the propeller 300 through the pedal 100, and the steering function can be simultaneously provided.

In addition, since the power transmitting means is engaged by the gear, there is an advantage that the coupling between the respective structures can be firmly maintained even if the power transmission device, which is the main object of the present invention, is mounted / dismounted from the pedal 100 kayak.

Meanwhile, it is preferable that the propeller 300 employed in the embodiment of the present invention is provided with a pair of guide vanes 500.

In addition, according to the embodiment of the present invention, by providing power transmission and steering simultaneously, there is an advantage that the configuration of the pedal kayak can be simplified.

According to an embodiment of the present invention, the steering recovery means 400 may be further included. 4 to 6, the steering recovery means 400 employed in an embodiment of the present invention includes a supporting portion 410, a fixed cap portion 420, a moving member 430, and an elastic member 440 .

The steering and restoring means 400 includes the case 201 and the second case 202 along the lower cap surface of the housing unit 200 so that the lever connection bar 203 can be restored to its original position after being steered. Respectively.

The support portion 410 is annular and fixed to the second case 202, and at least one guide bar is provided. In an embodiment of the present invention, four guide bars are provided vertically, but the number of guide bars is not limited thereto.

The fixed cap portion 420 is formed of a cam face having a concave-convex shape with its lower side rounded.

The moving member 430 is formed so that a guide groove into which the guide bar of the support portion 410 is inserted corresponds to the guide bar and at least one pair of guide rollers is provided on the upper portion thereof, .

The elastic member 440 is provided between the moving member 430 and the supporting member 410 and serves to provide an elastic force to the moving member 430. As described above, the elastic member 440 provides an elastic force to the moving member 430. The elastic member 400 in this embodiment is a ring spring but is not limited thereto.

5, if the lever connecting bar 203 is not moved by the steering bar, the roller of the shifting member 430 is positioned at the center of the round of the cam surface of the fixed cap portion 420. [

6, when the user moves the steering bar, the lever connecting bar 203 also rotates to one side, so that the moving member 430 also rotates.

Then, the roller of the movable member 430 moves along the rounded concave-convex cam surface of the fixed cap portion 420, and moves along the round surface as the cam surface of the fixed cap portion 420 is rounded.

At this time, the moving member 430 is moved downward, and the elastic member 440 provides an elastic force to the moving member 430.

In this state, when the user continues to hold the steering bar, since the force of the user is larger than the elastic force of the elastic member 440, the pedal kayak maintains the steering direction of the user, but when the user places the steering bar or does not apply the force, The movable member 430 is lifted upward by the elastic force of the movable member 440 and the roller of the movable member 430 can be restored to its original shape again along the cam surface of the fixed cap portion 420.

As shown in FIG. 3, the guide wing 500 of the propeller 300 employed in an embodiment of the present invention has an advantage of guiding water on both sides. When the guide vane 500 is provided on both sides of the propeller 300, the direction of the pedal kayak does not change suddenly even if the user suddenly changes the steering bar, thereby improving safety according to the steering .

7 is a view for explaining the steering recovery means employed in another embodiment of the present invention. 7, the steering wheel restoring means employed in another embodiment of the present invention includes a connecting bar 610 disposed outside the second case 202, and the case 201 is provided with a connecting bar 610 A pair of elastic members 620 are connected to both sides of the connection bar 610 and the elastic member 620 is coupled to the lower side of the cap surface And may be connected to the inside of the steering case 610 provided outside the case 201.

8 is a view for explaining the steering recovery means 400 employed in another embodiment of the present invention. As shown in FIG. 8, the steering recovery means employed in another embodiment of the present invention includes an elastic member 700 provided between the case 201 and the second case 202 along the lower cap surface, It can also be made.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, .

100: Pedal 200: Housing unit
201: first case 202: second case
203: lever connecting bar 110, 210: first bevel gear
220: center shaft 230, 330: second bevel gear
300: Propeller 400: Steering restoration means
500: guide wing

Claims (4)

A power transmission device for a pedal car that transmits power applied to the pedal to the propeller so as to transmit power between the pedal and the propeller rotated by the user's pedal and adjusts the direction of the pedal kayak,
And a second case having a lever connecting bar which is rotatably mounted inside the first case and is connected to the steering bar, the first case having a pedal connected to the pedal, A housing unit; Power transmission means for transmitting power transmitted through the pair of pedals to the propeller; And a propeller for receiving the rotational power applied to the pedals through the power transmitting means and rotating in water so that the pedal kayak can advance on the water,
Between the first case and the second case of the housing unit so that the lever connecting bar can be restored to its original position after being steered,
An annular support fixed to the second case and having at least one guide bar;
An annular fixed cap portion having a cam surface of a concave-convex shape having a rounded lower side;
A moving member which is formed so that a guide groove into which the guide bar of the support part is inserted corresponds to the guide bar and which is provided with at least one pair of guide rollers on the upper part and moves up and down along the cap surface of the lower part of the fixed cap part; And
And an elastic member provided between the moving member and the supporting portion and configured to provide an elastic force to the moving member. delete The method according to claim 1,
The power transmitting means includes:
A center shaft that is power-connected to the pedal and the propeller inside the second case and freely rotates about a center axis of the second case to transmit power transmitted from the pedal to the propeller;
A first bevel gear provided on the pedal and the central shaft to transmit rotational force of the pedal to the center shaft; And
And a second bevel gear disposed on the lower portion of the central shaft and on the propeller for transmitting rotational power of the center shaft to the propeller. The method according to claim 1,
Wherein the propeller comprises:
And a pair of guide vanes for guiding water flow to both sides of the power transmission device.
KR1020150106286A 2015-07-28 2015-07-28 Powertrain for pedal kayaks KR101723882B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150106286A KR101723882B1 (en) 2015-07-28 2015-07-28 Powertrain for pedal kayaks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150106286A KR101723882B1 (en) 2015-07-28 2015-07-28 Powertrain for pedal kayaks

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KR20170013531A KR20170013531A (en) 2017-02-07
KR101723882B1 true KR101723882B1 (en) 2017-04-18

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11655013B2 (en) 2020-10-02 2023-05-23 Dick's Sporting Goods, Inc. Pedal drive mount system for watercraft
WO2022072914A1 (en) * 2020-10-02 2022-04-07 Dick's Sporting Goods, Inc. Pedal drive mount system for watercraft
US11332227B2 (en) 2020-10-02 2022-05-17 Dick's Sporting Goods, Inc. Pedal drive mount system for watercraft

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100995098B1 (en) * 2010-04-01 2010-11-18 주식회사 우성아이비 Hybrid-type propelling apparatus for water transporting means

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100995098B1 (en) * 2010-04-01 2010-11-18 주식회사 우성아이비 Hybrid-type propelling apparatus for water transporting means

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