KR101985137B1 - Propelling apparatus for leisure - Google Patents

Abstract

The present invention relates to an underwater propelling apparatus for leisure, which is able to move in water by using an independent module, and to be conveniently mounted by using an attaching/detaching instrument on a non-power instrument such as a kayak or a surfboard. To this end, according to the present invention, the underwater propelling apparatus for leisure comprises: a motor housing which has a driving motor placed in a sealed internal space, and a handle unit detachably installed on a mounting groove on an external side; a screw shaft and a screw, which are installed on a rear end of the motor housing to be connected to the driving motor and to be driven; and a screw housing which includes the screw. After removing the handle unit, the attaching/detaching instrument is mounted and installed on the mounting groove, and is mounted on the non-power instrument to help propel the same and move in water.

Description

[0001] PROPELLING APPARATUS FOR LEISURE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leisure underwater propulsion device, and more particularly, to a leisure underwater propulsion device that can be used as an independent module and can be mounted on a non-powered device such as a kayak or a surfboard, will be.

Generally, in Korea, as the national income increases and the standard of living improves, the population enjoying water leisure sports is increasing not only in the field of leisure sports but also in the water sports.

Unlike a submarine, the water underwater propulsion device for water and leisure is a device that allows a user to move while holding a handle provided on the device without moving the dive person, or to move the device while wearing the device, which is also called an underwater scooter.

Underwater propulsion is also used for leisure activities such as scuba diving, but is also used as a device that allows a dive to move quickly underwater in a variety of activities, such as underwater photography, underwater exploration, movement of goods in water, have.

Generally, an underwater propulsion device is constituted such that a battery and a driving motor are mounted in a sealed space of a housing, and an impeller for screw or water jet propulsion is mounted on the outside of the housing. The screw or impeller rotates While pushing the water backward to gain momentum.

As one of the conventional technologies of such an underwater propulsion device, there is an 'underwater propeller set' disclosed in Korean Utility Model Laid Open No. 20-2011-0003072.

Referring to FIG. 1, the propulsion device disclosed herein includes a first body 12 having a pair of guide rails 15, which are cut forward, open at a portion of the upper portion, and fixed in the longitudinal direction along the opened inner edge, A second body 20 having a hollow portion and a pair of guide bars 25 being fixed along the outer side edge of the upper surface; A battery 30 mounted on a hollow portion of the second body 20, a propeller 40 mounted on a stern of the second body 20 and driven by a power supplied from the battery 30, And a first sight 110 formed in a dish shape and having a first sight window 115 formed on the front side and a second sight window 125 formed on the upper face thereof in a streamlined funnel shape, And a third prong 130 in which upper surfaces and third prism windows 135 are formed on both sides of the first prong 110 and the second prong 120, One of the third prongs 130 is detachably attached to the distal end of the first body 10 by means of attachment and detachment means.

The conventional propulsion device shown in the drawing can be used solely, and can be moved at high speed in water in a state where the user directly rides or grasps.

Accordingly, in many cases, a propulsion force is obtained by detachably attaching an outboard motor separately manufactured to various configurations and shapes used in the sea. In particular, in relation to an outboard motor having a waterjet propulsion mechanism, Japanese Patent Application Laid-Open No. 1992-0002421 entitled " Water-jet propulsion system for use in shallow water, " No. 10-2004-0077611 " Waterjet type stern propulsion device ", Publication No. 10-2006-0121175, Outboard Jet Drive Ship Propulsion System ", Registered Patent Publication No. 10-0469026 " Water Jet Propulsion Outboard "

However, when such a propeller is mounted on a non-powered apparatus, the structure is complicated, troublesome, and the mobility and stability are deteriorated.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a water- The purpose of the device is to provide.

Another object of the present invention is to provide a leisure underwater propelling device that can be customized for each part using a 3D printer to produce original and unique products.

The present invention is directed to a motor vehicle having a motor housing in which a driving motor is disposed in a closed inner space and a handle is detachably attached to a mounting groove on an outer side of the motor housing, And a screw housing including the screw, the detachable attachment / detachment mechanism being mounted on the mounting groove after detaching the handle, the detachable attachment / detachment mechanism being mounted on a non-powered mechanism, .

According to an embodiment of the present invention, the buoyancy adjusting cover may be screwed to the front end of the motor housing and may be filled with water to adjust buoyancy.

According to the embodiment of the present invention, the attachment / detachment mechanism includes a mounting bar inserted and fixed in the mounting groove, a horizontal bar installed at the upper end of the mounting bar, And the other one of the first and second coupling bars may be configured to be movable along the longitudinal direction of the horizontal bar and mounted to the non-powered device.

According to an embodiment of the present invention, a ball screw shaft is provided so as to be rotatable in a horizontal bar, and a ball screw nut bracket capable of moving forward and backward along the ball screw axis is installed in one of the first and second coupling bars Wherein the first and second coupling bars are provided with a latching bar and a latching jaw at both ends thereof and a spring is provided therein to extend the latching bar in the longitudinal direction of the first and second coupling bars, The length is stretched.

The leisure underwater propulsion device according to the present invention has an effect that it can be moved in water by using an independent module and can be easily mounted to a non-powered device such as a kayak or a surfboard by using a detachable attachment mechanism.

In addition, it is possible to mount the propulsion device on the non-powered mechanism and to move at a high speed even at a low water depth, and the stability is enhanced.

In addition, it is possible to customize each part by using a 3D printer, so that it is easy to manufacture, assemble, maintain, and produce unique and unique products.

1 is an exploded perspective view showing a structure of a conventional underwater propulsion device,
2 is a perspective view of a leisure underwater propulsion device according to an embodiment of the present invention,
3 is an exploded perspective view of a leisure underwater propulsion device according to an embodiment of the present invention,
4 is a perspective view of a detachable attachment mechanism according to another embodiment of the present invention,
5 is a sectional view taken along line AA in Fig. 4,
Fig. 6 is a sectional view taken along line BB of Fig. 4,
FIG. 7 is a schematic view showing a state in which a leisure underwater propulsion device is mounted using a device for attaching and detaching a non-powered device according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification of the present invention, when a part is referred to as " including " an element, it is understood that it may include other elements as well, without excluding other elements unless specifically stated otherwise.

2 is a perspective view of a leisure underwater propulsion device according to an embodiment of the present invention, FIG. 3 is an exploded perspective view of a leisure underwater propulsion device according to an embodiment of the present invention, FIG. 4 is a cross-sectional view taken along the line AA in Fig. 4, Fig. 6 is a sectional view taken along line BB in Fig. 4, and Fig. 7 is a cross- Fig. 3 is a schematic view showing a state in which the device is mounted.

2 and 3, the leisure underwater propulsion apparatus 1 includes a motor housing 200 including a driving motor 210, a screw housing (not shown) installed at a rear end of the motor housing 200 And a screw shaft 270 and a screw 280 connected to the driving motor 210 in the screw housing 290.

Here, the components such as the motor housing 200 and the screw housing 290 can be customized for each component using a 3D printer, and thus can be manufactured and assembled.

The motor housing 200 may be formed into four parts in a streamlined shape and may include a buoyancy regulating cover 220 and a rear cover 250 and disposed between the buoyancy regulating cover 220 and the rear cover 250 The first housing body 230 and the second housing body 240 may be formed of the same material.

These components are made of a metal or a synthetic resin, and a thread can be formed in the connection portion to be sealed, and a gasket or the like can be further installed, although not shown for better sealing.

A battery (not shown) for applying power to the driving motor 210 and the driving motor 210 may be installed in the first housing body 230 and the second housing body 240, The on / off and the driving intensity level of the driving motor 210 can be adjusted by using the control button 232 provided on the first housing body 230 with the control device installed therein.

In addition, the control of the driving motor 210 can be controlled through the remote controller, and the first housing body 230 and the second housing body 240 can be separated and assembled. Thus, the driving motor 210 and the battery Maintenance may be possible.

The first housing body 230 is formed with a rectangular mounting groove 234 through which the handle 260 can be mounted.

The grip portion 260 can be manufactured in various colors and shapes using a 3D printer as a portion gripped by a user in using the independent module of the leisure underwater propulsion device 100. The grip portion 260 can be inserted into the mounting groove 234 A mounting hole 262 may be formed in the rectangular portion.

Meanwhile, the buoyancy adjusting cover 220 may have a wired shape similar to the head of the shell and may have a space therein to allow the buoyancy to be adjusted by discharging a predetermined amount of water into the inner space after being separated from the first housing body 230, A plurality of holes 222, which are directed toward the housing body 230 side,

The pin 224 is inserted into the hole 222 and one of the pins 224 is inserted into the mounting hole 262 of the handle 260 when the mounting groove 234 of the handle 260 is installed. So that the handle 260 can be prevented from being released.

The rear cover 250 is opened at its front and rear end sides and its front side is engaged with the second housing body 240 to form a closed space and the rear side is provided with a screw shaft 270 A seal (not shown) surrounding the screw shaft 270 is disposed to prevent water from flowing into the rear lid 250 from the screw housing 290 side.

However, since the inner side of the rear lid 250 does not communicate with the space of the first and second housing bodies 230 and 240 where the drive motor 210 is disposed, and forms a totally separate space, It is not.

The screw 280 may be coupled to the screw shaft 270 and disposed at the rear.

The front end of the screw housing 290 is formed in a mesh shape so that water can be easily introduced by the rotation of the screw 280. An outlet port through which the water sent backward by the screw 280 flows, Respectively.

The screw housing 290 supports the screw shaft 270 and prevents the screw 280 from being injured by the screw 280 using the underwater propelling device or causing the screw 280 to collide with the obstacle or the seaweed is wound .

4, the attaching / detaching mechanism 300 may be mounted in place of the handle 260 so that the underwater propelling device 1 may be mounted on the non-powered device 400. [

The attachment and detachment mechanism 300 includes a mounting bar 310, a horizontal bar 320 and first and second coupling bars 330 and 340. The mounting bar 310 includes a first housing body 230, A mounting hole 312 is formed in a square rod shape having a rectangular shape so as to be inserted and fixed in the mounting groove 234 of the buoyancy adjusting cover 220 and is engaged with the pin 224 inserted from the buoyancy adjusting cover 220 .

The horizontal bar 320 is integrally formed at the upper end of the mounting bar 310, and the ball screw shaft 322 may be installed in the longitudinal direction as shown in FIG.

The ball screw shaft 322 is fixed at one end and rotatably installed.

 The horizontal bar 320 is provided with a pair of first and second coupling bars 330 and 340 in an orthogonal direction so as to be able to mount a substantially non- And the other one may be installed so as to be linearly movable along the longitudinal direction of the horizontal bar 320.

For convenience of explanation, the first and second coupling bars 330 and 330 may be referred to as a first coupling bar 330 and a second coupling bar 330, (340).

Accordingly, the first coupling bar 330 is integrally fixed to the horizontal bar 320, and one end of the ball screw shaft 322 is rotatably fixed to the inside of the horizontal bar 320. Inside the second coupling bar 340, And the second coupling bar 340 linearly moves along the horizontal bar 320 as the ball screw shaft 322 rotates.

The distance between the first coupling bar 340 and the second coupling bar 340 is adjusted according to the size of the mounting portion of the nonmoving mechanism 400 according to the linear movement of the second coupling bar 340.

Meanwhile, the first and second coupling bars 330 and 340 may include a " C " -shaped latching bar 350 and a latching jaw 360 formed at both ends thereof.

6, a spring 370 may be installed in the inner space so that the latching bar 350 may extend in the same line as the latching jaw 360. In this manner, The spring 370 is connected to the inner space so that the hook 360 can be extended upward.

The operation of the above-mentioned leisure underwater propulsion device will be described in more detail with reference to the following drawings.

2 to 7, in a state where the handle 260 is mounted on the mounting groove 234 of the first housing body 230 in the underwater propelling device 1, And the rotational speed of the driving motor 210 is controlled through the control button 232 in the water. Accordingly, the rotation of the screw 280 is controlled to control the propelling speed.

The mounting bar 310 is positioned in the mounting groove 234 and at the same time the pin 222 is pushed toward the hole 222 side of the buoyancy adjusting cover 220. In this case, And inserted into the mounting hole 312 of the mounting bar 310 to prevent the detachable attachment 300 from coming off.

In order to attach the attachment / detachment mechanism 300 thus mounted to the non-moving mechanism 400, it is necessary to linearly move the second engagement bar 340 and move the engagement bar 350 and the engagement protrusion 360.

First, the ball screw shaft 322 protruding rearward of the second coupling bar 340 is rotated in one direction according to the size of the mounting portion of the non-driving mechanism 400, thereby rotating the second coupling bar 340 including the ball screw nut bracket 342 (340) moves linearly along the horizontal bar (320).

When the first and second coupling bars 330 and 340 are required to be extended, the length of the spring 370 is increased by stretching the spring 370 when the latching bar 350 including the latching jaws 360 is pulled, And is firmly fixed by the restoring force of the spring 370 when mounted on the mechanism 400. [

When the latching jaw 360 is also required to be extended, the spring 370 can be attached and fixed to the nonmoving mechanism 400 when the latching jaw 360 is pulled upward.

Here, the latching bars 350 and the latching jaws 360 may be stretched at the same time. When the latching bars 350 and the latching jaws 360 are disengaged from each other, they may be retracted according to the restoring force of the spring 370.

The pin 224 of the buoyancy adjusting lid 220 is pulled out to the front side and the mounting hole 312 of the mounting bar 310 is first pulled out The detachable attachment mechanism 300 can be pulled out upward.

According to the present invention as described above, it is possible to move in water by using an independent module, and it can be easily mounted to a non-powered device such as a kayak or a surfboard by using a detachable device.

In addition, the propulsion device is mounted on the non-powered mechanism, which enables high-speed movement even at low water depths and high stability.

In addition, it is possible to customize each part by using 3D printer, so it is easy to manufacture, assemble, maintain, and produce original and unique products.

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.

1: underwater propulsion device 200: motor housing
210: Driving motor 220: Buoyancy adjusting cover
230: first housing body 240: second housing body
250: rear cover 260: handle portion
270: screw shaft 280: screw
290: screw housing 300: attachment / detachment mechanism
310: mounting bar 320: horizontal bar
330: first coupling bar 340: second coupling bar
400: Non-powered device

Claims (4)

A motor housing in which a driving motor is disposed in a sealed inner space and a handle is detachably attached to a mounting groove on the outer side;
A screw shaft and a screw connected to a rear end of the motor housing and connected to the driving motor,
And a screw housing including the screw,
A detachable attachment / detachment mechanism mounted on the non-powered mechanism for assisting the propulsion movement in the water is detachably attached to the attachment groove after the detachment of the handle,
The attachment /
A mounting bar inserted and fixed in the mounting groove,
A horizontal bar provided at an upper end of the mounting bar,
One of the first and second coupling bars being fixed to the horizontal bar and the other being installed to be movable along the longitudinal direction of the horizontal bar and mounted to the non-powered device, Wherein the water is supplied to the water tank.
The method according to claim 1,
Further comprising a buoyancy adjustment cover screwed to a front end of the motor housing and capable of adjusting buoyancy by filling water therein.
delete The method according to claim 1,
Wherein a ball screw shaft is provided so as to be rotatable in the horizontal bar, and a ball screw nut bracket that is movable forward and backward along the ball screw axis is installed in any one of the first and second coupling bars,
The first and second coupling bars may have hooking bars and hooking jaws at both ends,
Wherein a spring is installed in the inside of the first and second coupling bars to extend the length of the first and second coupling bars, and the length of the engagement protrusion is extended upward.

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