WO2013168997A1 - Water bike - Google Patents

Description

water cycle

Embodiment of the present invention relates to a water bicycle, more specifically, can be conveniently moved on the water, and can achieve the same exercise effect as riding a bicycle continuously in the water, to maximize the pleasure of leisure life It's about making one water bike.

In general, the floating mechanism that can be moved on the water is a mechanism that moves by stirring the oar while the user is aboard using a floating body, or by applying a sail to the floating body to obtain propulsion by using wind power.

Recently, as the leisure culture has developed, more and more people enjoy leisure life regardless of the season or region. Especially in summer, various awards including jet skis and motor boats that use engines in the sea and rivers are used. Attempts have been made to enjoy more pleasant play using the apparatus.

Jet skis and motor boats using the above-mentioned engines can enjoy a sense of speed due to the rapid sprint. However, they are expensive equipment and cannot be used easily. There is a problem that it is difficult to expect a large exercise effect because the amount of activity moving the user's body is insufficient.

Of course, a rowing boat can be used at a relatively low cost, but because of the slow speed, you can not feel the sense of speed, and keep on rowing, the fun will have to fall significantly, which is a problem that is avoided. Therefore, there is a demand for a water mechanism that can enhance exercise effect and fun while moving on water.

Such award mechanisms include Korean Utility Model Publication No. 1989-0002221, Korean Utility Model Publication No. 2000-0003196, and US Patent Publication No. US6135830. The inventors of the present invention have completed the present invention after the endeavor to exert a better performance than the known water bicycle.

Accordingly, the embodiment of the present invention can be conveniently moved on the water, and even in the water can be obtained the same exercise effect as the bicycle continuously, the purpose to provide a water bicycle to maximize the pleasure of leisure life There is this.

As a means to solve the above problems the water bicycle of the present invention is:

Frame 10;

A saddle 20 mounted on the frame 10 for a passenger to sit on;

A handle 30 installed on the frame 10 to adjust a direction;

Three spherical floats 40 (one in front and two in back);

Protrusions 11 which extend radially in the horizontal direction in the direction of the float 40 in the frame 10 and engage with through holes 41 provided toward the center of the float 40;

A pedal 50 installed in the frame 10 to allow a passenger to apply a driving force;

A power transmission mechanism interlocked with the drive shaft of the pedal 10;

A rotation propulsion mechanism connected to the power transmission mechanism and rotated by driving of the power transmission mechanism; And

It includes a screw 90 is installed in the rotary propulsion mechanism,

The pedal 50 rotates at a height that does not get wet with water, and the engagement position with the protrusion 11 in the perspective of the floating body 40 is formed on a central side facing the inner frame 10. do.

In addition, in the water bicycle according to an embodiment of the present invention, the power transmission mechanism is:

A drive pulley installed on one side of a drive shaft on which the pedal 50 is mounted on both sides of the frame 10;

A driven pulley provided on one side of a rotating shaft installed on a support extending rearward from the frame 10;

A belt wound between the drive pulley and the driven pulley;

An input gear provided on the other side of the driven pulley in the rotation shaft; And

It is preferable to include an output gear meshing with the input gear.

In addition, in the water bicycle according to an embodiment of the present invention, the rotation propulsion mechanism is a flexible shaft, the output gear is connected to one end, the cover surrounding the flexible shaft is coupled to the bracket mounted to the holding It is preferable that the screw is installed at the other end of the flexible shaft.

In addition, in the water bicycle according to the preferred embodiment of the present invention, the drive pulley is a drive pulley gear having a tooth, the driven pulley is a driven pulley gear having a tooth shape, the belt is a timing having a tooth on the inner peripheral surface It is good to be a belt.

In addition, in the water bicycle according to an embodiment of the present invention, the input gear and the output gear is preferably a bevel gear.

In addition, in the water bicycle according to the preferred embodiment of the present invention, the protrusion 11 penetrates the through hole of the floating body 40, and the protruding side penetrates the floating body 40 at the penetrating side. Flange-shaped stopper is provided to be coupled to the end of the base 11, it is preferable that the stopper is provided on the protrusion 11 on the other side corresponding to the stopper.

As described above, according to the present invention, by driving the passengers while floating on the water by the propulsion force obtained by stepping on the pedals without using the engine, it is possible to conveniently move on the water while continuing to ride on the water in the same way as a bicycle ride. The exercise effect can be obtained, which can enhance the pleasure of leisure.

1 is a perspective view showing a water bicycle according to an embodiment of the present invention.

2 is a cross-sectional view showing a part of a power transmission mechanism of the water bicycle shown in FIG.

3 is a view showing a power transmission mechanism, a rotation propulsion mechanism and a screw with the second housing of the water bicycle shown in FIG. 1 omitted;

4 is a side view illustrating a state in which a water bicycle according to an embodiment of the present invention is injured on water.

5 is a perspective view showing a water bicycle according to another embodiment of the present invention.

6 is a perspective view showing a water bicycle according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the embodiments of the present invention, if a detailed description of a related well-known configuration or function is apparent to those skilled in the art or may obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Here, the term defining directionality is used. The front means a direction when the occupant rides on the water bicycle according to the present invention and presses the pedal forward, and the rear means the opposite side of the above-mentioned front, that is, the back of the occupant when the occupant rides on the water bicycle according to the present invention. Means. In addition, the upper (upper) and the lower (lower) respectively means a place close to the ground or far from the surface when the water bicycle according to the present invention is placed upright. These terms are not intended to limit the invention, but rather to make the description of the invention clearer.

1 is a perspective view showing a water bicycle according to an embodiment of the present invention, Figure 2 is a cross-sectional view showing a part of the power transmission mechanism of the water bicycle shown in Figure 1, Figure 3 is a water bicycle shown in Figure 1 Figure 2 shows the power transmission mechanism, the rotary propulsion mechanism and the screw with the second housing omitted. 4 is a side view illustrating a state in which a water bicycle according to an embodiment of the present invention is floating on water.

The water bicycle 1 according to an embodiment of the present invention includes a frame 10, a saddle 20 mounted on the top of the frame 10 for a passenger to sit on, and a frame 10 in front of the saddle 20. ) Is installed on the handle 30, the float 40, respectively fixed to the plurality of protrusions 11 located at the lower portion of the frame 10 and the frame 10, which can be adjusted in the direction, so that the occupant A pedal 50 adapted to be applied, a power transmission mechanism interlocked with the drive shaft 51 of the pedal 50, a rotation propulsion mechanism connected to the power transmission mechanism and rotated by driving the power transmission mechanism, and a rear end of the rotation propulsion mechanism; It includes a screw 90 is installed in.

Frame 10 is installed in a plurality of protrusions 11 extending radially horizontally at appropriate intervals, approximately vertically in the central portion 12 where the ends of these protrusions 11 are joined and the saddle 20 is mounted. The first support 21 may be installed, and the second support may be installed approximately vertically while being positioned near the other end away from the central portion 12 in one of the plurality of protrusions 11 to which the handle 30 may be mounted. 31). Substantially, other bicycle bodies other than wheels may be provided on the first support 21 and the second support 31. In addition, reinforcing bars 13 may be interposed between the plurality of protrusions 11 and the first support 21 and the second support 31 to improve structural rigidity of the frame 10.

Each component of the frame 10 is preferably made of a metal, such as aluminum alloy, which is light and rigid, but is not necessarily limited thereto and may be made of any other material such as high strength plastic. In addition, each component of the frame 10, that is, the protrusions 11, the first and second supports 21 and 31, and the reinforcement stand 13 are joined to each other by a joining method such as welding or the like.

Floating body 40 to be described later is connected to the other end far from the central portion 12 of each protrusion (11). In order to prevent the water bicycle of the present invention from being flipped from side to side, it is important that the protrusions 11 are arranged so as to be horizontally radially extended from the central portion 12 and balanced at appropriate intervals and appropriate lengths.

Saddle 20 is inserted into the interior of the first support 21 is to be placed on the top of the height adjustment member 22 which is fastened to the fastening member while sliding. Fastening member not shown in the figure may be composed of an adjustment screw or the like. In addition, an upper portion of the height adjusting member 22 may be further provided with an angle adjusting member (not shown) for positioning the saddle 20 horizontally or inclined. On the other hand, the saddle 50 may be installed in at least one or more according to the number of people using a separate support means.

The handle 30 is placed on the upper end of the direction adjusting member 32 which is inserted through the second support 31 to be rotated. In addition, at the lower end of the direction control member 32, a rudder 33 for adjusting the traveling direction of the water bicycle 1 according to the present invention is fixed. The direction control member 32 is rotated in accordance with the rotation of the handle 30, thereby also rotating the rudder 33 fixed to the direction control member (32).

As described above, the floating body 40 is fixedly connected to the other end far from the central portion 12 of each protrusion 11. The floating body 40 is preferably formed of a foam material (foam), it is possible to coat the outer peripheral surface with a coating material such as epoxy, urethane, etc. to improve the durability.

The floating body 40 has a through hole 41 passing through the center of the floating body 40 so as to be fixed to the protrusion 11. One side of the through hole 41 may be further provided with a flange type stopper 42 coupled to the end of the protrusion 11 penetrating the floating body 40, the other side corresponding to the stopper 42 A stopper 43 is provided on the protrusion 11 to prevent the fluid 40 from moving on the protrusion 11.

In the drawings for describing the embodiments of the present invention, the float 40 is shown as being spherical, but is not limited thereto and may be formed in various shapes. The material is not limited to the above-described ones as well, but it is a matter of course that a suitable material can be adopted according to the shape.

On the other hand, the first support 21 of the frame 10 is provided with a drive shaft 51 which is installed to penetrate the first support 21 at a right angle. Pedals 50 protrude from each other on both sides of the drive shaft 51. The first input gear 61 accommodated in the first housing 60 is installed at one side of the driving shaft 51.

In addition, one end of the support 23 extends substantially horizontally rearward from the frame 10 is joined to the first support 21, and the other end of the support 23 is installed at a right angle with respect to the support 23. The rotating shaft 71 which extends to the left and right of the water bicycle 1 is provided, and the 2nd housing 70 in which this rotating shaft 71 is accommodated rotatably is provided. Reinforcing bars 13 may be additionally interposed between the holding member 23 and the first supporting member 21 and between the holding member 23 and the adjacent protrusion 11 to improve structural rigidity.

A case 62 is provided between the first housing 60 and the second housing 70 to connect these housings 60 and 70, and the first output gear 63 is disposed at both ends in the case 62. And a gear bar 64 provided with a second input gear 65 integrally therein. Each housing 60, 70 and case 62 are removably configured for assembly and maintenance, and assembly and connection use a plurality of screws (not shown). The first output gear 63 is engaged with the first input gear 61, and the first output gear 63 and the first input gear 61 are changed so that the transmission direction of the thrust force generated by the rotational driving of the pedal 50 is changed. ) Consists of bevel gears.

The second output gear 73 and the third input gear 75 are coaxially coupled to the rotation shaft 71 in the second housing 70. Similarly, the second output gear 73 is engaged with the second input gear 65 of the gear rod 64, and the second output gear 73 and the second input gear 65 so that the direction of the propulsion force received is changed. It is also composed of bevel gears.

In particular, the rotating shaft 71 in the second housing 70 may be equipped with a hub-type transmission to adjust the speed shift. Since the hub-embedded transmission is widely known, variously configured, and readily available on the market, the detailed structure and operation thereof will be omitted herein.

In addition, the third input gear 75 on the rotation shaft 71 in the second housing 70 is engaged with the third output gear 77 of the flexible shaft 80 to be described later, and the direction of the propulsion force received. The third input gear 75 and the third output gear 77 are composed of bevel gears so as to change this.

For example, the aforementioned first input gear 61, first output gear 63, second input gear 65, second output gear 73, third input gear 75, third output gear 77 Bevel gears constituting) are preferably formed in a spiral shape for more accurate power transmission.

The first input gear 61 provided on the drive shaft 51, the first output gear 63 and the second input gear 65 integrally provided on the gear rod 64, and the second output gear provided on the rotation shaft 71. Reference numeral 73, the third input gear 75, and the third output gear 77 constitute a power transmission mechanism.

As such, by applying the chainless driving method to the water bicycle 1 according to an embodiment of the present invention, the lubricant applied to the chain in a conventional chain bicycle is not sanitary and pollutes the surrounding environment. There is a fear that the chain is liable to break away from the sprockets because the chain is stretched to solve the problem of low power transmission efficiency. In other words, the chainless method employing the bevel gear ensures power transmission and can improve power transmission efficiency by reducing friction between the bevel gear and the power transmission shaft. Moreover, in the water bicycle 1 of the present invention, since all the gears are hermetically received in the housing, there is an advantage that the surrounding environment is not contaminated by lubricating oil or the like.

As described above, one end of the flexible shaft 80 is connected to the third output gear 77 engaged with the third input gear 75. Moreover, the cover 81 surrounding this flexible shaft 80 is coupled in communication with the second housing 70. The flexible shaft 80 and the cover 81 receiving the same extend in the second housing 70 so that the direction of the driving force is rearward, and then curved and extended rearward.

The flexible shaft 80 integrated with the third output gear 77 constitutes a rotation propulsion mechanism.

The other end of the flexible shaft 80 is connected to a screw 90 provided in the lower portion of the water bicycle 1 according to the embodiment of the present invention. Therefore, the propulsion force applied to the pedal 50 by the occupant is driven from the drive shaft 51 by the first input gear 61, the first output gear 63, the gear rod 64, the second input gear 65, and the second output gear. The water bicycle 1 moves forward or backward while being transmitted to the screw 90 according to the driving of the rotation shaft 71, the rotation shaft 71, the third input gear 75, the third output gear 77, and the flexible shaft 80. You can do it.

Hereinafter, the operation of the water bicycle 1 according to the embodiment of the present invention having the above-described configuration will be described.

First, as illustrated in FIG. 4, the water bicycle 1 according to the exemplary embodiment of the present invention is basically in a state of being floated on the water W. As shown in FIG.

In this state, the occupant sits on the saddle 20 to operate the water bicycle 1. When the occupant sits on the saddle 20 and the occupant puts his foot on the pedal 50, the occupant's foot is positioned at a height that is not wet with water (W).

The saddle 20 adjusts the height of the saddle 20 by sliding the height adjusting member 22 up and down on the first support 21, and optionally inclined the saddle 20 using an angle adjusting member. By adjusting the, it can be adjusted to fit the physical condition of the occupant to maximize the convenience to the occupant.

When the occupant steps on the pedal 50 in the state where the occupant is seated in the saddle 20 as described above, the driving shaft 51 rotates according to the driving of the pedal 50 and is integrally provided with the driving shaft 51. As the first input gear 61 rotates, the first output gear 63 meshes with and rotates so that the gear rod 64 rotates.

In addition, since the second input gear 65 integrally provided by the rotation of the gear bar 64 rotates, the rotation shaft 71 rotates together while the second output gear 73 engaged thereto rotates. At this time, if the hub built-in transmission is selectively installed on the rotation shaft 71, the gear ratio of the output side to the input side is changed so that the rotation speed between the second output gear 73 and the third input gear 75 may be shifted differently. have.

As the rotation shaft 71 is rotated, the third input gear 75 is rotated. As a result, the third output gear 77 engaged with the third input gear 75 is rotated, thereby rotating the flexible shaft 80. Let's go. Propulsion is generated from the screw 90 in the water connected to the flexible shaft 80 so that the water bicycle 1 according to the embodiment of the present invention is moved forward or backward.

In addition, if the occupant turns the steering wheel 30 in the desired direction when the water bicycle 1 is moved forward or backward by the driving force of the screw 90, the rudder 33 is the same as the rotational direction of the steering wheel 30. Is rotated to be able to adjust the moving direction of the water bicycle 1 according to an embodiment of the present invention.

5 is a perspective view showing a water bicycle according to another embodiment of the present invention.

Water bicycle 2 according to another embodiment of the present invention, because the configuration and operation of the remaining components except for the power transmission mechanism is the same as the water bicycle 1 according to the above-described embodiment, the other of the present invention In describing the water bicycle 2 according to the embodiment, the same components as those of the water bicycle 1 according to the embodiment will be denoted by the same reference numerals, and detailed descriptions of the construction and functions thereof will be omitted.

In the water bicycle 2 according to another embodiment of the present invention, the first support 21 of the frame 10 is provided with a drive shaft 51 installed through the first support 21 at right angles. Pedals 50 protrude from each other on both sides of the drive shaft 51. And the drive pulley 66 is provided on one side of the drive shaft 51, the drive shaft 51 and the drive pulley 66 may be formed integrally.

In addition, one end of the pair of retainers 23 extending substantially horizontally rearward from the frame 10 is joined to the first support 21, and the other end of the retainers 23 is relative to the retainer 23. The rotating shaft 71 which is installed at right angles and extended to the left and right of the water bicycle 2 is provided. Reinforcing rods 13 may be interposed between the holding member 23 and the first supporting member 21 or between the holding member 23 and the adjacent protrusion 11 to improve structural rigidity.

The driven pulley 76 and the input gear 74 are coaxially coupled on the rotation shaft 71. The belt 67 is wound around the drive pulley 66 and the driven pulley 76. Here, the drive pulley 66 is a drive pulley gear having a round tooth, and the driven pulley 76 is a driven pulley gear similarly having a round tooth, and the belt 76 also has these drive pulley gears. It is preferable to be composed of a timing belt having teeth on the inner circumferential surface so as to transmit force between the driven pulley gears. This allows the teeth to be in contact with each other, thereby eliminating slippage and having a small speed change. Separate housings surrounding each pulley 66, 76 and belt 67 may be further provided.

In particular, the rotary shaft 71 may be equipped with a hub-type transmission to adjust the speed shift. Since the hub-embedded transmission is widely known, variously configured, and readily available on the market, the detailed structure and operation thereof will be omitted herein.

In addition, the input gear 74 on the rotating shaft 71 is engaged with the output gear 78 of the flexible shaft 80, which will be described later, the input gear 74 and the output gear so that the direction of the propulsion force received is changed. 78 is composed of a bevel gear. For example, the bevel gears constituting the above-described input gear 74 and output gear 78 are preferably formed in a spiral shape for more accurate power transmission.

The drive pulley 66, the belt 67, the driven pulley 76, the input gear 74, and the output gear 78 provided on the drive shaft 51 constitute the power transmission mechanism. .

As such, by applying the chainless driving method to the water bicycle 2 according to another embodiment of the present invention, the lubricating oil applied to the chain in the conventional chain bicycle is not sanitary and pollutes the surrounding environment. It can solve the problem that might cause. In addition, the chainless system employing the belt has a relatively simple power transmission structure compared to the bevel gear and can further improve the power transmission efficiency.

As described above, one end of the flexible shaft 80 is connected to the output gear 78 which is engaged with the input gear 74. In addition, a cover 81 surrounding the flexible shaft 80 is coupled to a bracket 79 mounted on the holder 23. The flexible shaft 80 and the cover 81 for receiving the same extend in the bracket 79 and then bend and extend rearward so that the direction of the driving force is rearward.

The flexible shaft 80 integrated with the output gear 78 constitutes a rotation propulsion mechanism.

The other end of the flexible shaft 80 is connected to a screw 90 provided at the bottom of the water bicycle 2 according to another embodiment of the present invention. Therefore, the propulsion force exerted by the occupant on the pedal 50 is driven from the drive shaft 51 by the drive pulley 66, the belt 67, the driven pulley 76, the rotation shaft 71, the input gear 74, and the output gear 78. And the water bicycle 2 may move forward or backward while being transmitted to the screw 90 according to the driving of the flexible shaft 80.

Hereinafter, the operation of the water bicycle 2 according to another embodiment of the present invention having the above-described configuration will be described.

First, the water bicycle 2 according to another embodiment of the present invention is basically in a state of floating on the water.

In this state, the occupant sits on the saddle 20 to operate the water bicycle 2. If the occupant puts his foot on the pedal 50 while the occupant is sitting on the saddle 20, the occupant's foot is positioned at a height that does not get wet with water.

When the occupant steps on the pedal 50 in the state where the occupant is seated in the saddle 20 as described above, the driving shaft 51 rotates according to the driving of the pedal 50 and is integrally provided with the driving shaft 51. As the driven pulley 66 rotates, the belt 67 is engaged to rotate.

As the belt 67 rotates, the driven pulley 76 engaged with the belt 67 while being spaced apart from the drive pulley 66 rotates, so that the rotation shaft 71 rotates together. At this time, if the hub-type transmission is selectively installed on the rotation shaft 71, the gear ratio of the output side to the input side is changed so that the rotation speed between the driven pulley 76 and the input gear 74 may be differently shifted.

As the rotation shaft 71 is rotated, the input gear 74 is rotated. As a result, the output gear 78 meshed with the input gear 74 is rotated, thereby rotating the flexible shaft 80. The driving force is generated in the screw 90 in the water connected to the flexible shaft 80, the water bicycle 2 according to another embodiment of the present invention is to move forward or backward.

On the other hand, Figure 6 illustrates the configuration of another water bicycle 3 in another embodiment of the present invention. The saddle 20 is arranged to be rearward, the position of the handle 30 is disposed on both sides of the saddle 20, and at the same time the pedal 50 is positioned in front of the user can drive in a more comfortable posture toward the front Can provide an environment that The shape of the frame 10 may be changed as shown in FIG. 6, and various structural changes may be made. However, the configuration and relationship of the float 40 and the frame 10 are basically the same as those of the embodiment of FIGS. 4 and 5.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical spirit of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims (6)

Frame 10; A saddle 20 mounted on the frame 10 for a passenger to sit on; A handle 30 installed on the frame 10 to adjust a direction; Three spherical floats 40 (one in front and two in the rear); a portion extending radially horizontally in the direction of the float 40 in the frame 10, the float 40 Protrusions 11 coupled to the through-holes 41 respectively installed toward the center of the protrusions 11; A pedal 50 installed in the frame 10 to allow a passenger to apply a driving force; A power transmission mechanism interlocked with the drive shaft of the pedal 10; A rotation propulsion mechanism connected to the power transmission mechanism and rotated by driving of the power transmission mechanism; And It includes a screw 90 is installed in the rotary propulsion mechanism, The pedal 50 rotates at a height that does not get wet with water, and the engagement position with the protrusion 11 in the perspective of the floating body 40 is formed on a central side facing the inner frame 10. Water bike. The method of claim 1, The power transmission mechanism is: A drive pulley provided on one side of a drive shaft on which the pedal 50 is mounted on both sides of the frame 10; A driven pulley provided on one side of the rotating shaft installed on the support extending rearward from the frame 10; A belt wound between the drive pulley and the driven pulley; An input gear provided on the other side of the driven pulley in the rotation shaft; And A water bicycle comprising an output gear meshing with the input gear. The method of claim 2, The rotation propulsion mechanism is a flexible shaft having the output gear connected to one end, A cover surrounding the flexible shaft is coupled to a bracket mounted on the holder, The water bike is the screw is installed on the other end of the flexible shaft. The method of claim 2, The drive pulley is a drive pulley gear having a tooth shape, The driven pulley is a driven pulley gear having a tooth shape, The belt is a water bicycle, which is a timing belt having teeth on an inner circumferential surface thereof. The method of claim 2, And said input gear and said output gear are bevel gears. The method of claim 1, The protrusion 11 penetrates the through hole of the floating body 40, and a flange-type stopper coupled to an end portion of the protrusion 11 penetrating the floating body 40 is provided at the penetrating side thereof. A water bike having a stopper provided on the protrusion 11 on the other side corresponding to the stopper.

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