KR20210003451A - Electric water board - Google Patents

Abstract

The present invention relates to an electric water board which is able to allow a user to enjoy surfing even in an environment with fewer waves and less wind by propelling a water board in an electric manner, to easily carry around and store the water board, and to be safely used by people of all ages and genders. More specifically, the present invention relates to an electric water board which comprises: a ship body (2) with a certain length and width having buoyancy; a slip prevention unit (12) which is configured on a surface of the ship body (2); a rudder shaft (3) vertically installed on the front surface unit of the ship body (2); a rudder (4) installed on a lower end unit of the rudder shaft (3); a remote control (5) installed on a rudder handle (3a) on an upper side of the rudder shaft (3); a DC motor (6) installed in the center on a rear surface of the ship body (2); a propeller (8) fixed to the rotary shaft of the DC motor (6); a rechargeable battery (9) installed in the ship body (2); handles (10) installed on both sides in a front portion and a rear portion of an upper surface of the ship body (2); and a pair of fixed wings (11) installed on a front side and a rear side of a lower surface of the ship body (2) to be foldable. The present invention additionally includes: a chair (19) attached to/detached from the center of the ship body (2) and having an adjustable height; auxiliary buoys (16) which are installed on both sides of the ship body (2) to be detachable; and towing rings (14) installed on the front side and rear side of the ship body (2).

Description

Electric water board

The present invention relates to an electric water board, and in detail, by allowing the water board to be propelled by a propeller, a water jet, etc., it is possible to enjoy surfing even in an environment with little waves and wind, and it is easy to carry and store, and It was made to be used safely by old and young.

In general, water leisure is taking place in a dynamic environment such as a river, a lake, or a beach, various leisure equipments are used, and it is receiving a lot of interest in that it is not largely restricted by age or gender, and the same population is increasing.

The water leisure equipment is largely divided into the taga promotion type and the self-propelled type in the way of obtaining propulsion. Taga propulsion type is a method that is connected to a boat running on the water at high speed, such as a banana boat, fly fish, water ski, and wake board. The self-propelled type that can obtain propulsion with the prescribed equipment itself is a non-powered type such as a boat that moves using the power of the occupant's arm or leg, a board for simple water play, and a surfboard that uses the power of the waves, and a water vehicle or motor boat. It is divided into power type such as etc.

Recently, surfboards equipped with self-propelled bodies, surfboards for obtaining propulsion by rolling footboards by users, and self-powered wakeboards equipped with engines, etc., have been proposed, but most of them are complex and have low safety, as well as small boards. It is difficult to apply to, and in the case of the Taga propulsion type, since it depends only on waves and/or wind, there are various problems such as not large waves, no waves such as a lake, or difficult to use when there is weak or no wind.

Republic of Korea Patent Publication No. 10-1816136 (Name of the invention: Segway type water leisure board maintaining autonomous balance, 2018. 01. 09. Patent notice) Republic of Korea Patent Publication No. 10-2019-0033272 (Name of invention: floating board structure, 2019. 03. 29. Patent publication) Republic of Korea Patent Publication No. 10-2016-0064471 (name of invention: award board for leisure sports, 2016. 06. 08. Patent publication)

An object of the present invention is to provide an electric waterboard that can be enjoyed surfing in an environment with low or no waves or an aquatic environment without wind by using a propulsion force such as a propeller or a water jet, and is easy to use and carry.

Another object of the present invention is to provide an electric water board that is provided with various safety devices and can be used at low cost by using a rechargeable battery.

The electric water board of the present invention includes a hull of a predetermined length and width having buoyancy, a non-slip part configured on the hull surface, a steering shaft vertically installed on the front of the hull, and a rudder installed at the lower end of the steering shaft. Wow, a remote control installed on the steering wheel above the steering shaft, a DC motor installed in the center of the rear of the hull, a propeller fixed to the rotating shaft of the DC motor, a rechargeable battery installed inside the hull, and installed on both sides of the upper surface of the hull It includes a handle and a pair of fixed blades installed and folded in a pair on the front and rear sides of the bottom of the hull.

The electric water board of the present invention includes a hull of a predetermined length and width having buoyancy, a non-slip part configured on the hull surface, a steering shaft vertically installed on the front of the hull, and a rudder installed at the lower end of the steering shaft. Wow, a remote control installed on the steering wheel of the upper steering shaft, a propulsion pump installed in the center of the rear of the hull, an inlet pipe installed at the inlet of the propulsion pump, a water outlet pipe installed at the outlet of the propulsion pump to obtain propulsion, and the hull It includes a rechargeable battery installed inside, a handle installed on both front and rear sides of the upper surface of the hull, and a pair of fixed blades installed and folded in a pair on the front and rear sides of the bottom surface of the hull.

The present invention further includes a chair that is detachable and height-adjusted in the center of the hull.

The present invention further includes a detachable auxiliary buoyancy body installed on both sides of the hull.

The present invention further includes a tow ring installed on the front and rear sides of the hull.

The present invention can enjoy surfing using the water board 1 even in a water environment with low or no waves or a water environment without wind, and there is an effect that can be used safely while being portable.

The water board 1 of the present invention is provided with various safety devices, and since the rechargeable battery 9 can be repeatedly charged and used, there is an effect that it can be used at low cost.

In the present invention, since the rechargeable battery 9 can be charged by wire or wirelessly, it is convenient to use and can be used for a long time. Since the charging terminal 17 is watertight and waterproof by the waterproof cover 18, it is possible to safely surf on the water. It works.

The present invention is a simple structure and easy to use, so even beginners can easily enjoy it, and since it is an electric type, for example, propeller propulsion by DC motor 6 and water jet propulsion by propulsion pump 20, wind and waves It can be used even on days when there is no, and there is no noise and pollution as it uses a wired and/or wireless rechargeable battery (9), and a steering wheel (3a) that the user can hold by hand is provided, so that you can surf conveniently and safely. It works.

The steering handle 3a of the present invention can be folded by a hinge structure, so that it is easy to carry, move, and store.

In the present invention, a chair 19 that is detachable and adjustable in height is provided to the hull 2 so that it can be used in a comfortable posture, and the steering shaft 3 is inclined at a predetermined angle θ in the direction of the chair 19 There is an effect of being able to steer by tilting the steering shaft 3 at an optimum inclination in a sitting position on the chair 19.

In the present invention, the chair 19 is detachable from the hull 2, so it is easy to store, carry, and move the hull 2.

In the present invention, since the detachable auxiliary buoyancy body 16 can be additionally installed on both sides of the hull 2, the number of persons on board can be increased, and there is an effect that can be used more stably.

The steering shaft 3 of the present invention is folded around the hinge 3c so that it is in contact with the bottom of the hull 2, so it is easy to store, carry, and move, and it can be used not only for leisure, but also for rescue and daily necessities. It is a very useful invention that works.

1: A plan view showing an example of the present invention.
Figure 2: A cross-sectional view showing an example of the present invention.
Figure 3: A cross-sectional view showing another example of the present invention.
Figure 4: Bottom view showing an example of the present invention.
Figure 5: A front view of a charging terminal part showing an example of the present invention.
Figure 6: A cross-sectional view showing another example of the present invention.
Figure 7: A cross-sectional view showing another example of the present invention.
Figure 8: Bottom view showing another example of the present invention.
Figure 9: A front view of a charging terminal part showing another example of the present invention.
Figure 10: A plan view showing another example of the present invention.
Figure 11: Bottom view showing another example of the present invention.
Figure 12: A front view showing another example of the present invention.
Figure 13: A front view showing another example of the present invention.
Figure 14: A cross-sectional view of a state in which auxiliary buoyancy bodies are installed close to both sides of the hull in the present invention.
Figure 15: A cross-sectional view of a state in which auxiliary buoyancy bodies are spaced apart from each other in the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing embodiments of the present invention, the same components in the drawings are indicated with the same reference numerals as much as possible, and detailed descriptions of related known configurations and functions are omitted so as not to obscure the gist of the present invention, and in the accompanying drawings, The expressed matters are schematic drawings for easy explanation of embodiments of the present invention, and may be different from the actual implementation form.

1 is a plan view of a water board 1 shown in an embodiment of the present invention, and FIG. 2 is a cross-sectional view, and FIG. 3 is a bottom view, a hull 2 having a predetermined length and a predetermined width having buoyancy, and the hull ( 2) The steering shaft 3 installed vertically on the front side, the rudder 4 installed at the lower end of the steering shaft 3, and a remote control installed on the steering wheel 3a above the steering shaft 3 5), a DC motor 6 installed in the center of the rear of the hull 2, a propeller 8 fixed to the rotating shaft 7 of the DC motor 6, and a rechargeable type built into the hull 2 A battery 9, a plurality of handles 10 installed on both sides of the upper surface of the hull 2, a pair of fixed blades 11 installed and folded on the front and rear sides of the bottom surface of the hull 2, and the hull ( 2) It includes a non-slip part 12 configured on the surface (upper surface), and forward/reverse propulsion is generated by the DC motor 6 and the propeller 7, and the propulsion direction is achieved by the rudder 4 do.

6 is a plan view of a water board 1 shown in another embodiment of the present invention, and FIG. 7 is a cross-sectional view, and FIG. 8 is a bottom view, a hull 2 having a predetermined length and a predetermined width having buoyancy, and the hull (2) The steering shaft 3 installed vertically on the front side, the rudder 4 installed at the lower end of the steering shaft 3, and the remote control installed on the steering wheel 3a of the steering shaft 3 5) and, the propulsion pump 20 installed in the center of the rear of the hull 2, the inlet pipe 21 installed at the inlet of the propulsion pump 20, and the water jet installed at the outlet of the propulsion pump 20 Water jet) The water outlet pipe (22) for obtaining propulsion, the rechargeable battery (9) installed inside the hull (2), the handle (10) installed on both sides of the upper surface of the hull (2), and the bottom of the hull (2) It includes a pair of fixed blades 11 installed and folded on the front and rear sides of the subsurface, and a non-slip part 12 configured on the surface (upper surface) of the hull 2, and the propulsion pump 20 through the inlet pipe 21 ), as the water flowed into the water outlet pipe 22 is ejected, forward/reverse propulsion is generated, and the propulsion direction is achieved by the rudder 4.

The present invention further includes a chair 19 that is detachably attached to the central portion of the hull 2 and whose height is adjusted in consideration of the user's height.

The support bar 19a supporting the chair 19 may be appropriately adjusted in height by using a gas cylinder and a spring (not shown), or a gear type, like the support bar of the chair, using the operation unit 19b.

The hull 2 has sufficient buoyancy to allow 2 to 3 adults (100 to 250 kg) to climb, and has an elongated shape to facilitate surfing and propulsion, and the user boards and stands while holding the handle 3a. It has a sufficient length and width so that you can enjoy surfing while manipulating or sitting on the chair 19.

The hull 2 may be a synthetic resin material, wood, lightweight urethane foam, or a lightweight metal material of a structure or material having buoyancy so as to have sufficient buoyancy.

The upper surface of the hull 2 is a flat surface or a gentle upwardly curved type or downwardly curved type, and the bottom surface is a streamlined type with low flow resistance.

The hull 2 further includes a towing ring 14 for traction and fixation, which are respectively installed on the front and rear sides of the hull 2 and formed with through holes 13.

It further includes a propulsion induction box 15 installed at the bottom of the rear end of the hull 2 and receiving a propeller 8 to enhance the propulsion force.

The front and rear ends of the hull 2 are streamlined to receive less resistance from water, and a friction reducing material (reducing material) that can reduce friction with water is attached to the surface of the hull 2, coated, deposited, or electrodeposited. It can be achieved in the following way.

The rechargeable battery 9 is built in the lower part of the hull 2 so that the center of gravity is located under the hull 2 so that the center of gravity of the water board 1 is lowered to prevent rollover during operation, and the rechargeable battery ( Heat generated from 9) is efficiently radiated (dissipated) underwater while being conducted to the bottom and side of the submerged hull (2).

At one end of the upper surface of the hull 2, a charging terminal 17 capable of charging the rechargeable battery 9 and a waterproof cover 18 for maintaining the charging terminal 17 watertight are further included.

The rechargeable battery 9 can be easily charged by connecting (connecting) a charger to the charging terminal 17, and when charging is complete, closing or coupling the waterproof cover 18 to the outside of the charging terminal 17 Since the stubborn watertightness of (17) is maintained, electrical safety is maintained and unnecessary discharge of the battery (9) is prevented.

It goes without saying that the rechargeable battery 9 can be charged by a wireless charging method, and since this is a general method, detailed descriptions or drawings are omitted.

The plurality of handles 10 facilitate boarding on the hull 2 and prevent a fall.

A non-slip part 12 is formed on the upper surface of the hull 2, or a non-slip member or a non-slip pad is configured so that it is not easily slipped while landing or boarding when a user surfs. 1) When boarding or getting off, fall over is prevented.

The fixed wing 11 may be configured as a folding type and not used, or may be folded 90° to the bottom of the hull when moving and stored to reduce the volume and prevent damage.

The steering shaft 3 is configured to be installed on the hull 2 so as to rotate forward or reverse in a predetermined angle range to operate the rudder 4. The steering shaft 3 adopts a gas cylinder and a spring (not shown), or a gear-type height adjustment means, but in consideration of the user's height, the height of the handle 3a can be appropriately adjusted using the operation part 3d. By doing so, convenient use is achieved.

The upper part of the steering shaft 3 is installed with a hinge 3b so that it can be tilted at a predetermined angle θ, so that the user can enjoy surfing while holding the handle 3a and manipulating it while standing on the chair 19. I can.

The remote controller 5 is preferably attached to a handle, and can be operated forward/reverse, accelerator (acceleration and deceleration), and stop.

The speed control can control the running speed of the water board 1 by adjusting the voltage and/or current of the DC motor 6, or adjusting the rotational speed of the propulsion pump 20, or the amount of pumping, In the case of reversing, if the DC motor 6 is rotated in reverse, the propeller 8 rotates in the reverse direction, so that the main body 2 moves backward, and the water board 1 is adjusted by adjusting the voltage and/or current of the DC motor 6 It is possible to control the reverse speed, and in the case of the propulsion pump 20, when it rotates in the reverse direction, water is sucked into the water outlet pipe 22 and then discharged to the water inlet pipe 21 to obtain a water jet propulsion force, and the hull 2 ) Is reversed, and it is possible to control the reverse speed of the water board 1 by adjusting the rotational speed or pumping amount of the propulsion pump 20.

In the present invention, the bottom surface of the front end portion of the hull 2 is configured such that an upwardly curved portion 2a is formed so that the water surface can be floated.

Both sides of the hull 2 are also curved upward and streamlined to minimize frictional resistance with the water surface.

The upper surface of the rear end of the hull 2 is formed with an inclined portion 2b that gradually inclines as it moves toward the rear end, so that when the hull 2 is running, the water raised to the bottom of the hull 2 is transferred to the inclined portion 2b. Because it is easily drained through, it is helpful for driving.

The hull 2 may be composed of upper and lower layers. For example, the upper layer may be made of a soft material and the lower layer may be made of a hard material.

The present invention is controlled by the remote control 5 and can travel from 0 to 70 km/h, and forward, backward, braking (brake), acceleration and deceleration are possible.

10 is a plan view showing another example of the present invention, by configuring the auxiliary buoyancy body 16 on both sides of the hull 2 to be detachable so that the buoyancy of the hull 2 is greatly increased, and the overturning of the hull 2 is Is prevented.

The auxiliary buoyancy body 16 is composed of a high-strength lightweight synthetic resin material, etc., and air is injected inside to have a large buoyancy, and by installing additionally on both sides of the hull 2, the buoyancy of the hull 2 is greatly increased and floated. The stability is improved.

The front and rear ends of the auxiliary buoyancy body 16 are sharply configured to receive less resistance from water.

The auxiliary buoyancy body 16 is separable from the hull 2 and can be used more stably as the hull 2 is prevented from overturning by combining it closer to the hull 2 or away from the hull 2 It becomes possible.

In FIG. 10, (L1) is the separation distance in a state in which both auxiliary buoyancy bodies 16 are combined to be in contact with the hull 2, and (L2) is a combination of the auxiliary buoyancy bodies 16 on both sides by dissipating them from the hull 2 It is the separation distance of the state.

Each of the through-holes 24 perpendicular to the longitudinal direction of the hull 2 are formed in the front and rear portions of the hull 2, and the through-holes 24 are inserted into one side of the front and rear portions of the auxiliary buoyancy body 16. Each branch (23) is inserted, but the hole (26) formed perpendicular to the hull (2) and the fixing groove (25) formed on one side of the insert (23), or another fixing groove (25a) are matched, and then the wedge (27) ) Are inserted and fixed so that both auxiliary buoyancy bodies 16 are in contact with the hull 2 as shown in FIG. 14, or both auxiliary buoyancy bodies 16 are slightly separated from the hull 2 as shown in FIG. can do.

Separation of the insertion portion 23 inserted in the through hole 24 is prevented by the fixing groove 25 or the other fixing groove 25a and the wedge 27, so that the auxiliary buoyancy body 16 It is installed close to or separated from both sides of 2).

In the present invention, the DC motor 6 and the propulsion pump 20 mounted on the water board 1, and the steering shaft 3 and the rudder 4 including the handle 3a are configured to be separated so as to be stored and carried. And easy to move. In addition, the fixed wing 11 can be folded so as to be in contact with the bottom surface of the hull 2 by a hinge structure, so it is easy to store, carry and move the hull 2.

In the present invention, the rechargeable battery 9 is installed under the hull 2 so that the center of gravity of the hull 2 is under the hull 2 to prevent overturning.

In the present invention, the handle 10 is installed on the upper part of the hull 2 so that it is prevented from falling when embarking, and the towing ring 14 is configured in front of and behind the hull 2 so that it can be towed and fixed.

In the present invention, the anti-slip part 12 is formed on the bottom of the hull 2 to prevent fall and fall, and by installing a chair 19, it is possible to drive in a sitting position so that you can enjoy it safely. It can reduce fatigue (fatigue), and even beginners can enjoy it easily.

Since the present invention is an electric propulsion method, it can be used even on days when there is no wind and waves, and there is no noise and pollution because the rechargeable battery 9 is used, and it can be repeatedly used by charging.

The present invention described above is not limited to the present embodiment and the accompanying drawings, and various substitutions, modifications and changes can be made within the scope of the technical spirit of the present invention, which in the technical field to which the present invention pertains. This is obvious to those of ordinary knowledge.

(1)--Waterboard (2)--Hull
(3)--handle (4)--rudder
(5)--Remote control (6)--DC motor
(7)--Rotation shaft (8)--propeller
(9)--Rechargeable battery (10)--Handle
(11)--Fixed wing (12)--Anti-slip part
(13)--Tonggong (14)--Towing ring
(15)--induction (16)--auxiliary buoyancy
(17)--Charging terminal (18)--Watertight cover
(19)--Chair (20)--Propulsion pump
(21)--inlet pipe (22)--outlet pipe

Claims (5)

A hull having a predetermined length and a predetermined width with buoyancy;
Anti-skid unit configured on the hull surface;
A steering shaft vertically axially installed on the front of the hull;
A rudder installed at the lower end of the steering shaft;
A remote control installed on the steering wheel above the steering shaft;
DC motor installed in the center of the rear of the hull;
A propeller fixed to the rotating shaft of the DC motor;
A rechargeable battery installed inside the hull;
Handles installed on both sides of the upper surface of the hull;
A pair of fixed wings installed and folded in a pair on the front and rear sides of the bottom of the hull;
Electric water board comprising a. A hull having a predetermined length and a predetermined width with buoyancy;
Anti-skid unit configured on the hull surface;
A steering shaft vertically axially installed on the front of the hull;
A rudder installed at the lower end of the steering shaft;
A remote control installed on the steering wheel above the steering shaft;
A propulsion pump installed in the center of the rear of the hull;
An inlet pipe installed at the inlet of the propulsion pump;
A water outlet pipe installed at the outlet of the propulsion pump to obtain propulsion;
A rechargeable battery installed inside the hull;
Handles installed on both sides of the upper surface of the hull;
A pair of fixed blades installed and folded in a pair on the front and rear sides of the bottom of the hull;
Electric water board comprising a. The method according to claim 1 or 2;
A chair that is detachable and adjustable in height in the center of the hull;
An electric water board further comprising a. The method according to claim 1 or 2;
Detachable auxiliary buoyancy bodies installed on both sides of the hull;
An electric water board further comprising a. The method according to claim 1 or 2;
Towing rings installed on the front and rear sides of the hull;
An electric water board further comprising a.

Images