KR200443448Y1 - Seesaw-driving type kick board - Google Patents

Abstract

The present invention relates to a seesaw driven kickboard, and more particularly, to a seesaw driven kickboard having a simple structure and driving efficiency by converting the up and down motion of a seesaw plate rotated in a seesaw method into a rotational movement to drive a rear wheel.

A seesaw driven kickboard according to the present invention includes a board plate, a handle portion provided at an upper portion thereof, and a front wheel shaft provided at a lower portion thereof, rotatably supported at a front end portion of the board plate, and rotatably supported at the front wheel shaft. A front wheel, a rear wheel shaft provided below the rear end of the board, a rear wheel rotatably axially supported on the rear wheel shaft, and an upper center of the board board so as to rotate left and right in the width direction from the top of the board board. The supported platen plate and each of both ends of the platen plate are supported to be movable up and down on the board plate, the upper end of which is pivotably connected to both ends of the platen plate, and the rack gear at the lower end thereof. And a lifting rod formed with the rear wheel shaft, the transmission shaft provided in the lower portion of the board plate, and the rack gears respectively engaged at both ends of the transmission shaft. A pinion and a clutch bearing installed between the pinion and the electric shaft so that power is transmitted when the elevating rod is lowered, and the power is cut off when the elevating rod is raised, and a drive gear provided in the electric shaft. And a driven gear provided on the rear wheel shaft to mesh with the drive gear.

kickboard

Description

Seesaw-driven kickboards {SEESAW-DRIVING TYPE KICK BOARD}

1 is a side view showing a seesaw driven kickboard according to an embodiment of the present invention;

Figure 2 is a plan view showing the seesaw driven kickbos according to an embodiment of the present invention

Figure 3 is a rear view showing a part of the seesaw driven kickboard according to an embodiment of the present invention

Figure 4 is a rear view showing an example of driving of the kick-driven kickboard according to an embodiment of the present invention

Figure 5 is a rear view showing an example of driving of the kick-driven kickboard according to another embodiment of the present invention

6 and 7 are a perspective view and a side view showing a conventional kickboard

<Short description of the major reference symbols>

10 kickboard

     11 board board

     12 handles

     13 front wheels

     14 rear axle

     15 rear wheels

     16 Seesaw

     17 lifting rod

     18 transmission shaft

     19 pinion

     20 Clutch Bearings

     21 Drive Gear

     22 driven gear

     24 replies

F, F 'foot

The present invention relates to a seesaw driven kickboard, and more particularly, to a seesaw driven kickboard having a simple structure and driving efficiency by converting the up and down motion of a seesaw plate rotated in a seesaw method into a rotational movement to drive a rear wheel.

In general, a kick board is one of the driving mechanisms that allow one foot to be placed on a footrest and the other foot to use the propulsion of the foot while exhausting the ground. And a mechanism used as a short distance transport means.

Fig. 6 is a configuration diagram showing a conventional kick board structure, in which the kick board 1 is equipped with small front and rear wheels 3 and 4 one by one arranged in front and rear of the narrow and long board board 2, and the front wheels. (3) is coupled to the handle (5) installed vertically in front of the board plate (2), by using the handle (5) to steer the front wheel (3) to induce a change of direction, the rear wheel (4) handle The brake plate connected to the cable is brought into contact with the rear wheel 4 by the pulling operation of the braking lever 6 provided in (5) so as to be braked.

By the way, such a kick board (1) is to operate by obtaining the propulsion by moving forward while pushing the ground with the other foot in the state of playing one foot, there is an inconvenience in obtaining the propulsion.

Therefore, recently, a driving kick board having a driving means as shown in FIG. 7 has been developed.

In the driven kickboard shown in FIG. 7, a rear wheel 4 is installed on the rear wheel shaft 4a at the rear of the board plate 1 on which the foot is placed, and is mounted on the board plate 1 as the rear wheel driving means 7. A pedal 7a, a rack 7b interlocked by the pedal 7a, a drive gear 7c interlocked with the rack 7b, and a latch 7d for one-way rotation are included.

However, the driving kickboard as described above has a structure in which the pedal 7a is returned by the spring 7e, which is complicated in structure, and when the pedal 7a is returned, no driving force is generated at all, resulting in poor driving efficiency. Has disadvantages.

The present invention was devised to solve the disadvantages of the conventional driving kickboard as described above. The object of the present invention is to convert the vertical motion of the platen rotated by the seesaw method into the rotational motion to drive the rear wheel, thereby simplifying the structure and driving. This is to provide an efficient seesaw driven kickboard.

In order to achieve the above object, the driving kickboard according to the present invention includes a board plate, a handle portion provided at an upper portion, and a front wheel shaft provided at a lower portion of the handle plate so as to be rotatably supported at a front end portion of the board plate, and the front wheel shaft. A front wheel rotatably axially supported on the rear wheel, a rear wheel axle provided below the rear end of the board plate, a rear wheel rotatably axially supported on the rear wheel shaft, and horizontally disposed on an upper portion of the board plate so as to rotate left and right. A supported seesaw plate provided at an upper center of the board plate and each of both ends of the platen plate are supported to be movable up and down on the board plate, and the top of the board plate is rotatable and slideable at both ends of the platen plate. A lifting rod connected to the lower end of the board, parallel to the rear wheel shaft, and an electric shaft provided at a lower portion of the board plate; A pinion installed in engagement with the rack gear, a clutch bearing installed between the pinion and the electric shaft so that power is transmitted when the lifting rod is lowered, and power is cut off when the lifting rod is raised; And a driven gear provided in the coaxial shaft, and a driven gear provided in the rear wheel shaft to mesh with the drive gear.

In addition, the seesaw driven kickboard according to the present invention, the upper end of the seesaw plate is characterized in that the support plate is further supported on the plate shaft in a direction parallel to the seesaw shaft is installed to be relatively rotated relative to the platen plate It is done.

Hereinafter, the seesaw driven kickboard according to the present invention will be described in more detail with reference to the embodiment shown in the drawings.

1 is a side view showing a seesaw driven kickboard according to an embodiment of the present invention, Figure 2 is a plan view showing a seesaw driven kickbo according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention Figure 4 is a rear view showing a part of the seesaw driven kickboard according to the example, Figure 4 is a rear view showing a driving example of the seesaw driven kickboard according to an embodiment of the present invention.

Referring to the drawings, the seesaw driven kickboard 10 according to an embodiment of the present invention includes a board plate 11, a handle 12, a front wheel 13, a rear wheel shaft 14, a rear wheel 15, a seesaw plate 16 ), Elevating rod 17, transmission shaft 18, pinion 19, clutch bearing 20, drive gear 21, driven gear 22, and brake means.

The board plate 11 is a plate member for the user of the kick board 10 to rise. The front wheel 13 is installed at the front end of the board plate 11, and the rear wheel 15 is installed at the rear end to roll the ground.

The handle 12 is installed at the front of the board plate 11 to steer in the traveling direction of the kick board 10, and is provided with a handle portion 121 extending in the width direction at the top thereof and the front wheel shaft 122 at the bottom thereof. ) Is rotatably supported by the handle support 111 provided in the front end of the board plate (11). The handle 121 of the handle is provided with a brake handle 232 for operating the brake pad 231 for applying friction to the front wheel 13, the brake means connected to the brake pad 231 and the cable 233 Is provided.

The front wheels 13 are rotatably axially supported by the front wheel shaft 122 provided on the handle 12 so as to touch and roll on the ground.

The rear wheel shaft 14 is for shaft support of the rear wheel 15, and both ends are rotatably supported by a bearing 141 installed under the rear end of the board plate 11.

The rear wheels 15 are supported by the rear wheel shaft 14 by rolling on the ground.

The seesaw plate 16 is to move the lifting bar 17 connected to both ends of the seesaw plate 16 up and down by the user rotated to the left and right with the foot (F). . Referring to the drawings, the seesaw plate 16 is supported by the seesaw shaft 161 provided in the upper center of the board plate 10 so as to rotate horizontally from the top of the board plate 11 to the left and right.

The lifting rod 17 is supported by the rod support part 112 so as to be able to move up and down on the board plate 11 at positions where both ends of the seesaw plate 16 correspond to each other. The upper end of the elevating rod 17 is connected to the slit pin 163 slidably inserted in the width direction to the sliding slot 162 formed long in the width direction on each end of the seesaw plate 16 to the seesaw plate ( Both ends of 16) are pivotally and slidably connected. A rack gear 171 meshing with the pinion 19 is formed at the lower end of the elevating rod 17. On the opposite side of the pinion 19, a support roller 142 for rotatably supporting the lifting bar 17 toward the pinion 19 is rotatably installed on the rear wheel shaft 14.

The transmission shaft 18 is a shaft for supporting the pinion 19 and the drive gear 21 to be rotated, the bearing (181) provided in the lower portion of the board plate 11 in parallel with the rear wheel shaft (14). Both ends are supported and rotatably installed.

The pinion 19 is engaged with the rack gear 171 to be rotated in both directions according to the lifting movement of the lifting rod 17. The pinion 19 is disposed at each of both ends of the transmission shaft 18 at the rack. It is installed to mesh with the gear 171.

The clutch bearing 20 is for transmitting the rotation of the pinion 19 which is reciprocated in both directions by the vertical movement of the lifting rod 17 to the transmission shaft 18 in one direction. That is, when the clutch bearing 20 descends the lifting rod 17, the rotational force is transmitted to the rear wheel shaft 14 in the direction in which the kickboard 10 moves forward, and when the lifting rod 17 is raised. It is to cut off the power so that rotational force is not transmitted to the rear wheel shaft 14. Therefore, the clutch bearing 20 transmits power when the lifting bar 17 is lowered, and cuts off power when the lifting bar 17 is raised, so that the pinion 19 and the transmission shaft ( 18) installed between them.

The drive gear 21 is for transmitting the rotational force of the transmission shaft 18 to the rear wheel shaft 14, it is provided on the transmission shaft 18.

The driven gear 22 is to receive the rotational force of the drive gear 21 and is provided on the rear wheel shaft 14 to be engaged with the drive gear 21.

Seesaw driven kickboard 10 according to an embodiment of the present invention having the configuration as described above when the user puts one foot (F) on the top of the platen plate 16 and rotates the platen plate 16 left and right In addition, the lifting bar 17 is moved up and down, and accordingly power is transmitted to the pinion 19, the clutch bearing 20, the drive gear 21, the driven gear 22, the rear wheel 15, The kickboard 10 is to be propelled.

On the other hand, Figure 5 is a rear view showing an example of the driven driving kickboard according to another embodiment of the present invention, the embodiment shown in Figure 5 is similar to the embodiment shown in Figures 1 to 4 The difference is that they are driven by two feet (F, F ').

Referring to FIG. 5, upper ends of both of the seesaw plates 16 are supported by a plate shaft 241 in a direction parallel to the seesaw shaft 161 so as to be relatively rotated with respect to the seesaw plate 16. 24) is installed. The user rotates the platen plate 16 by placing each foot F and F 'on each of the answer plates 24.

In order to achieve the above object, the driving kickboard according to the present invention has a merit that the structure is simple and efficient by driving the rear wheel by converting the up and down motion of the platen rotated in the seesaw method into the rotational motion.

The seesaw kickboard described above and illustrated in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is determined only by the matters described in the following Utility Model Registration Claims, and the embodiments of the present invention which have been improved and changed without departing from the gist of the present invention are obvious to those skilled in the art. As long as it is one of the protection scope of the present invention.

Claims (2)

Board board 11, A handle 12 provided at an upper portion thereof and a front wheel shaft 122 provided at a lower portion thereof, the handle 12 being rotatably supported at a front end portion of the board plate 11; A front wheel 13 rotatably supported by the front wheel shaft 122; A rear wheel shaft 14 provided below the rear end of the board plate 11; A rear wheel 15 rotatably supported by the rear wheel shaft 14, A supported platen plate 16 provided at an upper center of the board plate 11 so as to be rotated horizontally from the top of the board plate 11 in a width direction; Both ends of the platen plate 16 are supported so as to be movable up and down on the board plate 11 at a corresponding position, and an upper end thereof is pivotally connected to both ends of the platen plate 16 so as to be rotatable and sliding. Lifting rod 17 formed with a rack gear 171, A transmission shaft 18 provided below the board plate 11 in parallel with the rear wheel shaft 14; A pinion 19 installed at both ends of the transmission shaft 18 in engagement with the rack gear 171; When the lifting bar 17 is lowered, power is transmitted, and when the lifting bar 17 is raised, the clutch bearing 20 installed between the pinion 19 and the electric shaft 18 to shut off the power. )and, A drive gear 21 provided on the transmission shaft 18; A driven gear 22 provided on the rear wheel shaft 14 to be engaged with the drive gear 21; The answer plate 24, which is supported on the answer plate shaft 241 in the direction parallel to the seesaw shaft 161, is installed on the top of both ends of the seesaw plate 16 so as to be relatively rotated with respect to the seesaw plate 16. Seesaw powered kickboard. delete

Images