KR101170127B1 - Skateboard - Google Patents

Abstract

PURPOSE: A skateboard is provided to increase horizontal balance and driving force by adjusting rotation angles using two frames which connect a front and rear boards. CONSTITUTION: A skateboard comprises a first frame(10) and a second frame(20). The first frame is inserted and combined to a connection hole which is formed at one lower side of the front board. In the first frame, a coupling aperture is formed at one side of the first frame in order to be fixed by a fastening bold, a spatial groove in which one side is opened is formed in the central part, and a sloped surface is formed in the other side. The second frame is inserted and combined to the connection hole which is formed in oned lower end of the rear board and is fixed to the fastening bolt. In one side of the second frame, a coupling aperture is formed, a spatial groove in which one side is opened is formed in the central part, and a sloped surface is formed in the other side.

Description

Skateboards {Skateboard}

The present invention relates to a skateboard, and more particularly to a skateboard that can increase horizontal maintenance and propulsion by adjusting the angle rotated by two frames connecting the front and rear boards equipped with a directional caster on the bottom surface. It is about.

A typical skateboard supports the user's one foot on a board with wheels attached, and then pushes the other foot off the ground in the direction of propulsion to give propulsion, while the two feet are placed on the upper surface of the board with acceleration, and the front and rear feet By alternately intersecting the position points of each other in the reverse direction, the skateboard can run on a corrugated copper line.

In the skateboard as described above, the driver himself was able to move forward by generating a propulsion force by the manpower by rolling the foot on the ground, but this reduced the interest and mobility of the skateboard driving because there was a limit in improving the forward force of the skateboard. Since the independent steering rotation of the caster to be rolled on the lower surface of the skateboard is not possible to rotate, there is a problem in that the steering ability is reduced, causing a safety accident.

In order to compensate for these problems, a board that can generate forward force by repeatedly twisting a skateboard without rolling the ground with a foot has recently been proposed.

Such a conventional skateboard is a skateboard comprising a connecting element for fixing the front board 10 and the rear board 20 in a spaced apart state as Republic of Korea Patent Registration No. 0394848 as shown in Figure 1, the two At least one of the boards 10, 20 includes one or more directional casters 13, 23 attached to the bottoms of the plates 11, 21, the connecting elements having an elastic body for elastic recovery in torsion or bending. It is a structure made.

The board as described above is applied to the front board 10 and the rear board 20 by applying an elastic body 65 that exerts a torsional elasticity of the front board 10 and the center of gravity through the biased distribution of force and When rolling the rear board 20 alternately, the front board 10 and the rear board 20 is to be rolled elastically by the restoring force of the elastic body 65 so that the board (10, 20) moves forward while waveformically moving It is.

However, the board is mounted on the front board 10 and the rear board 20, respectively, by mounting a single caster (13, 23), respectively, the front board 10 and the back board 20 through a metallic connecting element containing the elastic body ) Can generate a torsional force in the elastic body while rolling each other, but the elastic body is a component for maintaining the torsional force (rotation) is made of a mechanical property using the self-elasticity of the metal, thereby repetitive to the elastic body for a long time When the torsional external force is generated, the internal force to resist the external force is concentrated at the center of the object, causing a crack in the center of the elastic body, leading to a phenomenon in which the elastic body is broken, thereby reducing the propulsion force because the angle of rotation cannot be adjusted. .

Republic of Korea Patent Registration No. 0394848

The present invention is to solve the problems as described above, the object of the present invention is to install the first and second frames placed on the center line between the front board and the rear board can adjust the angle of rotation of each board Its purpose is to provide a skateboard that can improve propulsion.

Another purpose is to provide a skateboard that can be easily skated even for beginners by adjusting the rotation angle of the board.

The present invention for achieving the above object is inserted into the connection hole formed on one side lower end of the front board is provided with a directional caster on the bottom side is fastened to the fastening bolt is formed on one side and one side is opened in the center A spaced groove is formed and an inclined surface is formed on the other side on which the fastening hole is formed, and a connection hole formed on one side lower end of the first frame and a rear board having a directional caster formed on the bottom surface of the inclined surface has a through hole connected to the space groove A fastening hole is formed at one side to be inserted and coupled to the fastening bolt and fixed to the fastening bolt, and a space groove having one side open at the center thereof is formed. A second frame having a through hole connected to the space groove at a central portion thereof; In order to connect the first frame and the second frame, a shaft is inserted into the through hole of the first frame and the through hole of the second frame to protrude into the space groove of the first frame and the second frame, but prevents the shaft from being detached. Fixing pins are installed at both ends, but the fixing pins installed in the space grooves of the first frame are spaced apart at regular intervals from the through holes formed in the space grooves.

In addition, the axial bar of the portion spaced apart at regular intervals from the through-hole formed in the space groove of the first frame is characterized in that the shock member for absorbing the shock is provided.

In addition, the axial rods of the spaced apart from the through hole formed in the space groove of the first frame at regular intervals are spaced apart at regular intervals two or more, characterized in that the magnets are formed with the same polarity of the opposite sides. It is done.

In addition, the first frame and the second frame is characterized in that formed at an angle of 30 ° ~ 70 ° of the inclined surface to correspond to each other.

In addition, a semicircular guide groove is formed inside the through hole of the first frame, and a protrusion is formed at the outer circumferential center portion of the shaft bar corresponding to the guide groove.

In addition, a magnet is installed in the protrusion of the shaft and magnets of the same polarity as the magnet of the protrusion of the shaft is installed at both ends of the guide groove.

As described above, in the skateboard of the present invention, one side portion of the inclined surface of the first frame and one side portion of the inclined surface of the second frame come into contact with each other to adjust the angle of rotation to improve the propulsion force at the minimum rotation angle. And, this makes it easy for beginners to use the skateboard.

In addition, by installing a magnet on the shaft of the part spaced apart at regular intervals from the through-hole formed in the space groove of the first frame there is an effect to facilitate the propulsion and horizontal during rotation and to cushion the impact.

1 is a perspective view showing a conventional skateboard.
Figure 2 is an exploded perspective view showing a skateboard of the present invention.
Figure 3a is a side view combination showing a skateboard of the present invention.
Figure 3b is a partial cross-sectional view showing a skateboard of the present invention.
Figure 4 is another embodiment showing a skateboard of the present invention.
Figure 5a is another embodiment showing a skateboard of the present invention.
5b, 5c show an operating embodiment for FIG. 5a.
Figure 6a, 6b is a side view showing a first frame and a second frame of the present invention.
Figure 7a, 7b is another embodiment showing a skateboard of the present invention.
8 is another embodiment of FIG. 7A;
Figure 9a, 9b, 9c is an operating embodiment showing a skateboard of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

Figure 2 is an exploded perspective view showing a skateboard of the present invention, Figure 3a is a side view showing a combination of the skateboard of the present invention, Figure 3b is a cross-sectional view showing a skateboard of the present invention the skateboard of the present invention has a caster having a direction In the skateboard which can obtain the driving force by the left and right twisting motion of the front board and the rear board, the connection hole 110 formed at one lower end of the front board 100 is provided with a directional caster 120 on the bottom A fastening hole 11 is formed at one side to be inserted and coupled and fixed by a fastening bolt, and a space groove 12 having one side open at the center is formed, and an inclined surface 14 is formed at the other side on which the fastening hole 11 is formed. The first frame 10 having the through hole 16 connected to the space groove 12 is formed at the center of the inclined surface 14.

The inclined surface 14 of the first frame 10 is provided with a second frame 20 to abut the second frame 20 is one side lower end of the rear board 200 is provided with a directional caster 220 on the bottom Inserted and coupled to the connection hole 210 formed in the fastening hole 21 is formed on one side so as to be fixed by the fastening bolt, the space groove 22 is formed in one side is opened in the center and the fastening hole 21 is An inclined surface 24 is formed on the other side surface to correspond to the inclined surface 14 of the first frame 10, but a through hole 26 connected to the space groove 22 is formed at the center of the inclined surface 24.

In order to connect the first frame 10 and the second frame 20, the first frame 10 is inserted into the through hole 16 of the first frame 10 and the through hole 26 of the second frame 20. 10) and the shaft bar 30 protruding into the space grooves 12 and 22 of the second frame 20 are installed, but fixing pins 32 are installed at both ends to prevent the shaft bar 30 from being separated. The fixing pin 32 installed in the space groove 12 of the first frame 10 is spaced apart (L) at a predetermined interval from the through hole 16 formed in the space groove.

Shock member for absorbing shock as shown in Figure 4 in the shaft bar 30 of the portion (L) spaced apart at regular intervals from the through hole 16 formed in the space groove 12 of the first frame 10 It is preferable that 40 is provided.

That is, the fixing pin 32 for fixing the shaft bar 30 when the first frame 10 is rotated to be brought into contact with the outer peripheral surface portion 12a formed in the space groove 12 of the first frame 10. By preventing the shaft bar 30 from being separated, the noise and shock generated by the fixing pin 32 impact on the outer peripheral surface portion 12a can be buffered to increase the life of the product There is.

Thus, the shock absorbing member 40 may be provided between the fixing pins 32 abutting the outer circumferential surface portion of the through hole 26 formed in the space groove 23 of the second frame 20.

The impact member 40 is formed in the form of a tube in which air is injected to facilitate the shock absorbing and propulsion, to maintain the horizontal, the impact member 40 is compressed when the first frame 10 is rotated and transported It is maintained as, and the first frame 10 is rotated in the other direction again to be repelled by the compressed air of the impact member 40 in the horizontal to facilitate the horizontal maintenance.

As described above, the shock absorber can be made even easier and at the same time horizontally spaced apart from the through hole 16 formed in the space groove 12 of the first frame 10 at a predetermined interval so as to increase the driving force. (L) of the shaft 30 is installed in two or more spaced apart at regular intervals, as shown in Figure 5a and the magnets 50 having the same polarity of the surface facing each other is installed in the first frame (10) 5B and 5C are rotated to forward and simultaneously the magnet 50 is compressed and then rotates the first frame 10 in the other direction to push each other with the same polarity in the horizontal direction. There is an effect that the first frame 10 can be kept horizontal by the repulsive force.

As such, the impact member 40 or the magnet 50 is installed on the shaft bar 30 of the spaced apart portion L at a predetermined interval from the through hole formed in the space groove of the first frame 10 to maintain the level and impact. It can buffer and thereby increase the propulsion by the repulsive force resulting therefrom.

As shown in FIGS. 6A and 6B, the inclined surfaces 14 and 24 corresponding to each other of the first frame and the second frame are inclined surfaces to adjust the rotation angle when the first frame 10 and the second frame are rotated. The angle of (14,24) can be formed from 30 ° to 70 °, but the most preferable angle of inclination surface (14,24) is 45 ° when the driving force is most efficient.

Inside the through hole 16 of the first frame 10, as shown in Figs. 7a and 7b, a semicircular guide groove 18 is formed and the outer circumference of the shaft bar 30 corresponding to the guide groove 18. It is preferable that the projection 36 is formed in the center part.

At this time, the semicircular guide groove 18 is preferably made in the form inclined so that the first frame 10 can be moved forward when rotated.

That is, when the first frame 10 is rotated in one direction, the guide groove 18 is moved forward by the projections 36 of the shaft bar 30 and rotates in the opposite direction. It is effective to keep the city level and increase the driving force.

In this way, in order to more easily maintain the horizontal, as shown in FIG. 8, the magnet 19 is installed in the projection 36 of the shaft bar 30 and the projection 36 at both ends of the guide groove 18. The magnet 19 having the same polarity as the magnet 19 is installed, so that the first frame can be leveled by repulsive force when rotating.

Such a skateboard 1 of the present invention as shown in Figures 9a, 9b, 9c in the embodiment connection hole 110 formed on one side lower end of the front board 100 is provided with a directional caster 120 on the bottom A fastening hole 11 is formed at one side to be inserted and coupled to the fastening bolt and fixed to the fastening bolt, and a space groove 12 having one side open at the center thereof is formed, and an inclined surface 14 is formed at the other side of the fastening hole 11. ) Is formed, but a first frame 10 having a through hole 16 connected to the space groove 12 is installed in the center of the inclined surface 14, and a bottom surface of the inclined surface 14 of the first frame 10 is provided on the bottom surface. A fastening hole 21 is formed at one side to be fixed by a fastening bolt inserted and coupled to a connection hole 210 formed at one lower end of the rear board 200 provided with the directional caster 220 and one side is opened at the center. Spaced groove 22 is formed and the other side surface is formed with the fastening hole 21 An inclined surface 24 is formed to correspond to the inclined surface 14 of the first frame 10, but a second frame 20 having a through hole 26 connected to the space groove 22 is installed at the center of the inclined surface 24. do. In this case, the first frame 10 is inserted into the through hole 16 of the first frame 10 and the through hole 26 of the second frame 20 to connect the first frame 10 and the second frame 20. A shaft bar 30 protruding into the space grooves 12 and 22 of the 10 and the second frame 20 is installed, but fixing pins 32 are installed at both ends to prevent the shaft bar 30 from being separated. The fixing pin 32 installed in the space groove 12 of the first frame 10 is spaced apart (L) at a predetermined interval from the through hole 16 formed in the space groove.

The skateboard 1 installed as described above rotates the first frame 10 in one direction, and the inclined surface 14 of the first frame 10 is transported along the inclined surface 24 of the second frame 20. The first frame 10 is conveyed. In this case, one side portion of the inclined surface 14 of the first frame 10 and one side portion of the inclined surface 24 of the second frame 20 are not rotated by the maximum rotational limit point P.

As such, the skateboard of the present invention can obtain the maximum propulsion force at the minimum rotation angle, thereby making it easy for beginners to use the skateboard.

1: skateboard
10: first frame 11: fastener
12: space groove 12a: outer peripheral surface portion
14,24: inclined surface 16: through hole
18: guide groove 19: magnet
20: second frame 21: fastening hole
22: space home 26: through
30: shaft 32: fixed pin
36: turning
40: impact member 50: magnet

Claims (6)

In the skateboard which can obtain the driving force by twisting the front and rear boards installed on the bottom of the caster having a directional,
A fastening hole is formed at one side and a space groove is formed at one side and an open side groove is formed at the center of the fastening bolt to be inserted and coupled to a connection hole formed at one lower end of the front board having a directional caster at the bottom. A first frame having an inclined surface formed on a side surface thereof, and a through hole connected to the space groove at a central portion of the inclined surface;
A fastening hole is formed at one side and a space groove is formed at one side and an open side groove is formed at one side of the center to be secured by a fastening bolt to be coupled to a connection hole formed at one lower end of the rear board provided with a directional caster on the bottom. A second frame having an inclined surface formed at a side thereof to correspond to an inclined surface of the first frame, and having a through hole connected to the space groove at a central portion of the inclined surface;
In order to connect the first frame and the second frame, the shaft is inserted into the through hole of the first frame and the through hole of the second frame to protrude into the space grooves of the first frame and the second frame, but the shaft is separated. In order to prevent the fixed pins are installed at both ends, but the fixed pins installed in the space groove of the first frame is skateboard, characterized in that the spaced apart from the through hole formed in the space groove at a predetermined interval. The method of claim 1,
Skateboard, characterized in that the shock member for absorbing the shock is installed on the shaft of the spaced apart at a predetermined interval from the through hole formed in the space groove of the first frame.
The method of claim 1,
At least two or more spaced apart at regular intervals from the through-hole formed in the space groove of the first frame spaced apart at regular intervals are installed in two or more, characterized in that the magnets made of the same polarity is formed Skateboarding.
The method of claim 1
Skateboard, characterized in that formed in the angle of 30 ° ~ 70 ° of the inclined surface corresponding to each other of the first frame and the second frame.


The method of claim 1
Skateboard, characterized in that the semi-circular guide groove is formed in the through-hole of the first frame and the projection is formed in the outer peripheral center of the shaft bar corresponding to the guide groove.
6. The method of claim 5,
Skateboard, characterized in that a magnet is installed in the projection of the shaft and magnets of the same polarity as the magnet of the projection of the shaft is installed at both ends of the guide groove.

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