KR100936332B1 - Twist board - Google Patents

Abstract

PURPOSE: A twist board is provided, which achieves excellent durability, can reduce unit cost and change traveling direction backward or forward. CONSTITUTION: A twist board comprises a stage(110) for stepping on; a first caster mounted on one side of the bottom of the stage; and two casters which are installed in order to form triangulation with the first caster. The first caster and second caster are directional casters sloped to one side from the installation spot. The stage is partitioned into two parts. In one stage, the second casters are installed. In the other stage, the first caster is installed. The partitioned stage is connected to a torsion bar.

Description

Twist Board {Twist Board}

The present invention relates to a board on which a caster is mounted on a bottom surface, and particularly, a component is configured so that a trouble does not occur.

The conventional board is composed of many components are assembled, there is a problem of frequent failure due to the decrease in productivity due to the large number of parts and component breakage.

The present invention has been invented to solve the problems of the prior art as described above, the object of the present invention is to provide a twist board that is excellent in durability, consisting of simple components and excellent durability.

In addition, an object of the present invention is to provide a twist board that can reduce the unit cost by minimizing the parts.

In addition, an object of the present invention is to provide a twist board configured to be free to change the running direction in the front and rear direction and to ride standing or riding.

It is also an object of the present invention to provide a twisted board configured to prevent the safety of the occupant and the breakage of the board and to return to the occupant's position by inertia when the occupant gets off the board.

Twist board of the present invention for achieving the above object is a footrest that can be stepped up, a first caster mounted on one side of the bottom surface of the footrest, a plurality of second casters mounted to form a triangular structure with the first caster It is characterized by including the technical features.

Further, according to a preferred embodiment of the present invention, the second casters are two, forming a triangular structure with the first caster and two second casters are arranged at an angle corresponding to two hypotenuses of the triangular structure.

Further, according to a preferred embodiment of the present invention, the first caster and the second caster are directional casters inclined to one side at the mounting point.

In addition, according to a preferred embodiment of the present invention, the footrest is divided into two, one footrest is mounted with the second casters, the other footrest is mounted with the first caster, the divided footrest is connected to the torsion bar.

Further, according to a preferred embodiment of the present invention, the first caster is mounted to the extension line of the torsion bar and the second casters are mounted symmetrically with respect to the extension line of the torsion bar.

Further, according to a preferred embodiment of the present invention, the seating plate is rotatably mounted on the upper surface of the footrest, and the seating plate is mounted on the bottom of the seating plate in a state where the seating plate extends outward of the footrest.

In addition, according to a preferred embodiment of the present invention, the front end of the seating plate is pivotally coupled to the center of the footrest by a rotational axis extending to the rear of the footrest and the plate is formed on the outside of the footboard, the bottom of the plate Three casters are mounted.

In addition, according to a preferred embodiment of the present invention, the second casters are two, and the auxiliary wheels are mounted on the bottom of the scaffold corresponding to the two hypotenuses connected from the first caster to the second caster, respectively.

In addition, according to a preferred embodiment of the present invention, one of the auxiliary wheels of the auxiliary wheels respectively mounted on the two hypotenuses is heavier than the other auxiliary wheels.

Further, according to a preferred embodiment of the present invention, the level of the auxiliary wheels mounted on the two hypotenuses is higher than the level of the wheels of the first and second casters.

As described above, the twist board of the present invention is composed of simple components, there is no residual trouble and has the advantage of excellent durability.

In addition, the twist board of the present invention has the advantage that the unit cost can be reduced and productivity can be improved by minimizing the parts.

In addition, the conventional S-board has two casters, which is difficult for the occupant to step on the footrest, and has the disadvantage of falling down before driving, but the twist board of the present invention has three casters mounted on the footsteps. The advantage is that it is easy to climb.

In addition, the twist board of the present invention has the advantage that it is possible to prevent excessively during the process of generating the propulsion force to tilt the scaffold to prevent the scaffold from colliding with the ground and to prevent the fall of the occupant due to excessive tilting.

Conventionally, when the passengers get off the board, the board continues to run in the direction of driving by inertia, so that the passenger has to move away to recover the board. However, the twist board of the present invention is biased when the passenger gets off while driving. It is designed not to move far to recover the twist board by configuring the twist board to return to the occupant while rotating.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the twisted board according to the present invention will be described in detail.

[First Embodiment]

1 is a front view showing a twist board according to a first embodiment of the present invention, FIG. 2 is a plan view of the twist board shown in FIG. 1, and FIG. 3 is a left side view of the twist board shown in FIG. 4 is a right side view of the twist board shown in FIG. 1. 5A and 5B are right side views illustrating an operation relationship of a twist board according to the present invention, and FIGS. 6A and 6B are conceptual views illustrating a direction of a caster according to the operations of FIGS. 5A and 5B.

As shown in FIGS. 1 to 4, the twist board 100 includes a footrest 110 having a triangular structure and casters 121 and 122 disposed in a triangular structure on a bottom surface of the footrest 110.

More specifically, in the footrest 110 having a triangular structure, the casters 121 and 122 are mounted on the inside of the bottom of the footrest corresponding to each vertex of the footrest A, and the front caster located on the traveling side is the first caster. Two casters positioned rearward (121) are referred to as second casters (122). The first caster 121 and the second caster 122 are arranged in a triangular structure, the direction (direction) of the second caster 122 is directed to the two hypotenuses of the triangle formed by the three casters (121, 122) and The second casters 122 are mounted on the bottom surface of the footrest 110 so that the wheels 122w of the second casters 122 coincide with each other. That is, the wheels 122w of the two second casters 122 are mounted at an angle inclined slightly inwardly of the wheels 121w of the first casters 121. As such, the first and second casters 121 and 122 have an elastic body to guide the casters in order to have directivity. Such a directional caster is already known and commercialized, and thus a detailed description thereof will be omitted.

The first and second casters 121 and 122 are mounted to be inclined to one side of a vertical line with respect to the point mounted on the scaffold 110, and the wheels 121w and 122w of the casters 121 and 122 are forward from the mounted point. Rotating in the left and right directions of, and when the force applied to the casters (121, 122) is removed to find the direction again by the restoring force of the embedded elastic body.

When riding the twist board 100 configured as described above, the occupant climbs on the footrest 110. At this time, if the center of gravity of the occupant and the triangular center of gravity connecting the three casters 121 and 122 coincide with each other, the occupant may maintain the climbed state on the footrest 110. In this state, when the occupant biases the weight on either of the left and right sides, the driving force is generated while the first caster 121 and the second caster 122 rotate.

As such, the occupant is biased to either side to generate propulsion and then move the weight to the other side without falling down. Then, the first caster 121 and the second caster 122 rotates to generate a driving force as the weight moves, and while repeating such an operation, the twist board 100 is advanced in an 'S' shape.

On the other hand, the principle of generating the propulsion of the directional caster has already been identified, and since the products using the principle (aka 'S board' and 'step board') have been developed and commercialized, a detailed description of the principle of generating the propulsion of the directional caster is omitted. do.

The twist board 100 described above has a footrest on which two second casters are mounted in the case where a vertex of the footrest 110 is positioned forward and constituting a twitch board having a structure moving forward in the opposite direction. One side of can be configured to move forward. To do this, the wheel phase of each caster mounted on the scaffold must be changed 180 degrees.

Second Embodiment

In the second embodiment, two scaffolds are positioned so that the left foot and the right foot are respectively positioned, and the two scaffolds are connected to the torsion bar so that the two scaffolds can be inclined in the length-left direction of the torsion bar. The structure and arrangement of the first and second casters mentioned in the second embodiment are the same as those of the first and second casters described in the first embodiment.

In the drawings, FIG. 7 is a front view showing a twist board according to a second embodiment of the present invention, and FIGS. 8A and 8B are conceptual views showing a moving direction of the caster according to the operation of the twist board shown in FIG.

As shown in FIG. 7, the twist board 100 includes two scaffolds 110a and 110b and the two scaffolds 110a and 110b are connected to the torsion bar 130. The footrests 110a and 110b connected to the torsion bar 130 are inclined in the left and right direction about the length extension line of the torsion bar 130. The first caster 121 is mounted on one bottom of the footrest 110a, and the second caster 122 is mounted on the other footrest 110b, and the first caster 121 and the two second casters are mounted. 122 is arranged in a triangular structure. Therefore, the first caster 121 is mounted on the extension line of the torsion bar 130 and the second casters 122 are symmetrically mounted on the extension line of the torsion bar 130.

In boarding the twist board 100 configured as described above, the occupant stands on the two footrests 110a and 110b with both feet. In this case, as described in the first embodiment, when the center of gravity of the occupant and the center of gravity of the casters 121 and 122 arranged in a triangle coincide with each other, the occupant may maintain a state of standing up unshakably.

In this state, the occupants tilt their feet in different directions based on the extension lines of the torsion bar 130. That is, if one of the footrest (110a) is inclined in the left direction of the extension line, the other footrest (110b) is inclined in the right direction.

As such, when the foot plates 110a and 110b are tilted, the twist board 100 is advanced by the same operating principle as the conventional S board.

Third Embodiment

The twist board according to the third embodiment further includes a rotatable seating plate on the twist board of the first embodiment to generate propulsion by moving the pelvis and legs while the occupant sits on the seating plate and puts his feet on the footrest.

9A is a front view showing a caster of a twist board according to the third embodiment of the present invention, and FIG. 9B is a plan view illustrating an operation relationship of the twist board shown in FIG. 9A.

As shown in FIGS. 9A and 9B, the twist board 100 includes a footrest 110, a seating plate 140 rotatably mounted at a center of an upper surface of the footrest 110, and a bottom surface of the footrest 110. The casters 121 and 122 arranged in a triangular structure and another caster 123 mounted on the bottom surface of the seating plate 140 are included.

More specifically, the two front casters positioned on the driving side are called the second casters 122, and the casters positioned at the rear are called the first casters 121, and the other casters mounted on the bottom surface of the seating plate 140 are referred to as a third. When referred to as the caster 123, the first caster 121 and the two second casters 122 are arranged in a triangular structure, the mounting direction of the second caster 122 is the first, second casters 121, 122 ) Coincide with the two hypotenuses of the triangle formed. That is, the two second casters 122 are mounted obliquely in an inclined state inwardly in which the first casters 121 are positioned. The third caster 123 is located behind the first caster 121.

Seating plate 140 is the front end of the foot plate 110 is rotatably coupled by the rotation axis 141, extends to the rear of the foot plate 110 and the wide plate 143 on the outside of the foot plate 110 Is formed. The occupant raises both feet to the footrest 110 in a seated state on the wide plate 143 and generates propulsion force while moving in the left and right directions of driving the footrest 110 and the seating plate 140.

The twist board 100 according to the third embodiment strengthens the lower body, pelvis, and lower back muscles of the occupant.

Fourth Embodiment

In the fourth embodiment, two auxiliary wheels are mounted on the twisted board of the first embodiment, and the auxiliary wheels are mounted to move the center of gravity of the twisted board so that one side of the twisted board is lifted up when the user does not stand on the footrest. It is configured.

In the drawings, FIG. 10 is a front view of a passenger on a twist board according to a fourth embodiment of the present invention, and FIG. 11 is a conceptual view showing positions of casters and auxiliary wheels of the twist board shown in FIG. 10. 12 is a front view illustrating the board inclined when the occupant gets off the twist board shown in FIG. 10.

As shown in FIGS. 10 and 11, the twist board 100 may include a footrest 110 having a triangular structure, a first caster 121 and a first end disposed in a triangular structure on a bottom surface of the footrest 110. Two casters 122. Here, the scaffold 110, the first caster 121 and the second caster 122 are the same as the configuration described in the first embodiment, and thus detailed description thereof will be omitted.

On the other hand, the first auxiliary wheel 151 and the second auxiliary wheel 152 are mounted inside the bottom of the two hypotenuse sides of the footrest 110, respectively. Here, one first auxiliary wheel 151 is provided with a weight body 155, the weight is larger than the other second auxiliary wheel 152. Such auxiliary wheels (151, 152) is preferably installed at the middle point of the two hypotenuses of the scaffold (110).

In addition, the level of the auxiliary wheels 151 and 152 is higher than the wheels 121w and 122w of the first and second casters 121 and 122, and when the passenger gets on the footrest 110, the first and second casters are changed by the weight of the passenger. The wheels 121w and 122w of the 121 and 122 are in contact with the ground, and the first and second auxiliary wheels 151 and 152 are spaced apart from the ground, but when the occupant falls from the footrest 110, as shown in FIG. The first auxiliary wheel 151 having the weight body 155 is in contact with the ground.

When the first auxiliary wheel 151 is in contact with the ground by the weight of the first auxiliary wheel 151, the first caster 121 and the second caster 122 located on the hypotenuse on which the first auxiliary wheel 151 is mounted. In addition, although positioned in contact with the ground, the corresponding second caster is placed on the ground, that is, the footrest 110 is inclined.

In the twist board 100, the first and second auxiliary wheels 151 and 152 increase stability by preventing an incline so that the occupant falls from the footrest 110 while driving, and excessively tilted the footrest. Prevent the 110 from colliding with the ground.

In addition, the first caster 121 and the second caster 122 and the first caster located at one hypotenuse in the driving direction are raised while the second caster 122 is lifted up when the occupant descends from the twisting board 100 that was driving. Only one auxiliary wheel 151 is rotated in contact with the ground so that the twist board 100 having inertia comes back to the occupant.

As the twist board 100 is rotated and returned in the state where the occupant falls as described above, the occupant does not have to move far to recover the twist board 100.

1 is a front view showing a twist board according to a first embodiment of the present invention,

2 is a plan view of the twist board shown in FIG.

3 is a left side view of the twist board shown in FIG. 1,

4 is a right side view of the twist board shown in FIG. 1.

5a and 5b is a right side view showing the operating relationship of the twisted board according to the present invention,

6A and 6B are conceptual views illustrating the direction of the caster according to the operations of FIGS. 5A and 5B.

7 is a front view showing a twist board according to a second embodiment of the present invention,

8A and 8B are conceptual views illustrating a moving direction of the caster according to the operation of the twist board shown in FIG. 7.

9A is a front view illustrating the caster of the twist board according to the third embodiment of the present invention;

9B is a plan view illustrating an operation relationship of the twist board shown in FIG. 9A.

10 is a front view of a passenger standing on a twist board according to a fourth embodiment of the present invention;

FIG. 11 is a conceptual diagram illustrating positions of casters and auxiliary wheels of the twist board illustrated in FIG. 10.

FIG. 12 is a front view illustrating the inclined board when the occupant gets off in the twist board shown in FIG. 10.

Explanation of symbols on the main parts of the drawings

100: twist board 110, 110a, 110b: scaffolding

121, 122, 123: casters 121w, 122w: wheels

130: torsion bar 140: seating plate

141: axis of rotation 143: plate

151: first auxiliary wheel 152: second auxiliary wheel

Claims (10)

A foothold that can be stepped on, A first caster mounted on one side of the bottom of the scaffold, Including two second casters mounted to form an isosceles triangle with the first caster, Twist board, characterized in that the wheels of the second caster are arranged at an angle corresponding to the two hypotenuses of the isosceles triangular structure. delete The method of claim 1, Twist board, characterized in that the first caster and the second caster is a directional caster inclined to one side from the mounting point. The method of claim 3, The footboard is divided into two, one of which is mounted on the second casters, the other footrest is mounted on the first caster, the divided board is characterized in that the twisted board is connected to the torsion bar. The method of claim 4, wherein Twist board, characterized in that the first caster is mounted to the extension line of the torsion bar and the second casters are symmetrically mounted relative to the extension line of the torsion bar. The method of claim 1, Twist board, characterized in that the seating plate is rotatably mounted on the upper surface of the footrest, the seating plate is mounted on the bottom of the seating plate in a state in which the seating plate extends outward of the footrest. The method of claim 6, The tip of the seat plate is pivotally coupled to the center of the foot plate by a rotational axis extending to the rear of the foot plate and the plate is formed on the outside of the foot plate, the twisting board characterized in that the third caster is mounted on the bottom of the plate . The method of claim 1, There are two second casters, Twist board, characterized in that the auxiliary wheels are respectively mounted on the bottom surface of the scaffold corresponding to two hypotenuses connected from the first caster to the second caster. The method of claim 8, Twist board, characterized in that the auxiliary wheel of any one of the auxiliary wheels respectively mounted on the two hypotenuses is heavier than the other auxiliary wheel. The method according to claim 8 or 9, Twist board, characterized in that the auxiliary wheel is located off the ground when the wheels of the first and second casters touch the ground.

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