KR20100005853U - 2 A Bicycle - Google Patents

Abstract

The present invention relates to a two-wheeled bicycle drive device. In the existing bicycle drive device, the top dead center where the crank arm becomes vertical corresponds to the dead center of the crank device theory. Among the left and right pedal units 9 provided in the first body 10 and the second body 11, the adjacent pedals are in an integral state connected diagonally so that the opposite pedal is the top dead center when one pedal approaches the bottom dead center. By returning to a position suitable for driving through the pedal, the pedal avoids dead spots, reducing the number of joints and obtaining continuous driving force, so that two people can ride at the same time, which improves driving ability and speed. In the bicycle configured: a handlepost 5 which is adjusted to the left and right by the handle 4 is provided, the handlepost 5 is provided with a saddle 17 A pair of first bodies 10 and second bodies 11 connected to the support frame 96 and provided with a crank 8 and a left and right pedal unit 9 are connected to the shaft 7 coupled to the support frame 6. And the first body 10 and the second body 11 are connected and fixed by the connecting rods 12, respectively, and the left and right pedals provided by the first body 10 and the second body 11. Proximity pedals of the sections 9 are diagonally connected to each other, and the handlepost 5 is connected to the rotatably axially coupled link 13, and the first body 10 and the second body. One shaft (11) is provided with a two-wheeled four-wheeled bicycle provided with a sprocket (14) and a drive means (16) consisting of a chain (15) connecting the sprocket (14) and the rear wheel (3).

Bicycles, 4-wheelers, 4-wheel bicycles, 2-bicycles, 2-seaters

Description

Two-wheeled four-wheeled bicycle {A Bicycle}

The present invention relates to a four-wheeled bicycle in which a pair of wheels are provided at the front and the rear, and more specifically, as long as the front wheel and the rear wheel have a pair of two wheels, and the front and rear wheels are fixed and connected to each other by a connecting rod. The pair's bodies are each equipped with a saddle that allows the occupant to ride, and one side of the body is provided with a driving means consisting of a chain connected to the sprocket and the rear axle shaft. It can run with two people by stepping on it, and it has four support points for stable driving and there is no fear of falling, so even beginners can run easily. It's about a two-seater four-wheeled bicycle.

In general, a bicycle that carries a function as a means of transporting or transporting cargo by driving the front wheel or the rear wheel by using the user's exercise power is widely used as one of the representative means of transportation using manpower.

In particular, in recent years, as well as the effect of promoting health as an exercise equipment, various applications as a recreational means is possible, the demand is gradually spread due to the environment-friendly characteristics.

The conventional bicycle as described above has a pair of wheels divided into front wheels and rear wheels, and is a simple way in which the user operates only by the center of the body and the steering wheel operation. At the time, it was difficult to apply the center of gravity properly, and through trial and error, it was supposed to learn how to ride a bicycle while learning how to center itself without falling down.

As mentioned above, the conventional two-wheeled bicycle may be injured significantly if it falls down in the process of learning to ride a bicycle. It was difficult to see or talk with people around.

In particular, the conventional bicycle is only one person to deliver the exercise power to the bicycle, there was a problem that it is difficult to ride a bicycle while the lovers face each other while increasing the spirit of cooperation with each other.

The present invention is proposed to solve the above conventional problems, the object of the present invention is to sit by two people side by side while looking at each other's faces while talking on each other pedals can travel using the cooperative movement of two people In addition, the four support points to promote the stability of the driving and there is no fear of falling, even beginners can easily run, and the small radius of rotation is to provide a two-wheeled bicycle that can be easily rotated.

As described above, a two-person four-wheeled bicycle of the present invention for achieving the object of the present invention in a bicycle configured to allow two people to ride at the same time: a pair of wheels divided into front and rear wheels and the front wheel left and right by a handle The steering wheel post is provided, and the handle post is connected to a support frame provided with a saddle, and a shaft coupled to the support frame has a pair of cranks and a pair of first and second pedals provided with left and right pedals, The first body and the second body are connected and fixed by a connecting rod, respectively, the pedals adjacent to the left and right pedals provided on the first body and the second body are connected to each other diagonally, and the handle post is pivotally rotatably coupled. A sprocket and a chain connecting the sprocket and the rear wheel to one shaft of the first body and the second body. It is characterized in that the drive means consisting of a.

The pair of wheels having the pair of wheels as described above, the front wheel and the rear wheel is fixed, the pair of bodies connected to each other by a connecting rod is provided with a saddle for each occupant, the chain connected to the shaft of the sprocket and the rear wheel on one body It is provided with a driving means consisting of two people sitting side by side looking at each other face to face conversation while pedaling two people can drive with the cooperative movement power, four support points to maintain the stability of the driving, fear of falling No beginners can easily run, and the driving means are provided only on one side of the body, so that the rotation radius is small and can be easily rotated, thereby making it easy to operate.

Hereinafter, a two-person four-wheeled bicycle in detail in a preferred embodiment of the present invention with reference to the accompanying drawings as follows.

1 and 2 is a view according to the present invention, a two-person four-wheeled bicycle 1 of the present embodiment is a bicycle configured to allow two people to ride at the same time: a pair divided into a front wheel (2) and a rear wheel (3) There is a wheel of the front wheel (2) is provided with a handle post (5) which is adjusted to the left and right by the handle (4), the handle post (5) is connected to the support frame (6) provided with a saddle (17) The shaft 7 coupled to the support frame 6 has a first body 10 and a second body 11 of one phase in which a crank 8 and a left and right pedal unit 9 are installed. The body 10 and the second body 11 are connected and fixed by the connecting rods 12, respectively, and are adjacent to the left and right pedal units 9 provided in the first body 10 and the second body 11. Pedals are connected to each other diagonally, the handlepost 5 is connected to the rotatably coupled link 13, one of the first body 10 and the second body (11) Axis is made to have been provided with the sprocket 14 and the sprocket 14 and the rear wheel (3) drive means (16) comprising a chain (15) connecting the.

Two-wheeled four-wheeled bicycle 1 of the present embodiment made as described above is to allow the occupant to ride on the saddle 17 provided in the first body 10 and the second body 11, respectively.

That is, the exercise force generated by exerting the cooperative movement force of the occupant who rides on each body, respectively, is driven to the driving means 16 provided on one body, that is, the sprocket 14 and the rear wheel 3 connected by the chain 15. It is to be able to travel by transmitting power, one of the pedal unit (9) of the pedal unit (9) provided in each body is in an integrated state connected diagonally to each other, so that the cooperative exercise force is easily generated It is.

Accordingly, the four-wheeled bicycle 1 of the present embodiment that travels with two forces acts as a cooperative force in which the forces are combined even though each individual exerts less power, so that each individual can enjoy the bicycle with less power. The faster you drive, the better.

In addition, the handle posts 5 provided on the first body 10 and the second body 12 are connected by a link 13 so that the handle posts 5 on both sides when the handle post 5 on one side is rotated. Are rotated at the same time so that the front wheels 5 on both sides are rotated in one direction at the same time to change directions.

In other words, the rotation of the cooperative handle post 5 is to achieve a conversion of the unified wheel, so that it is possible to enjoy the bicycle while increasing the spirit of cooperation and consideration of each other. Of course, the front wheels 2 on both sides are rotated even when only one handle post 5 is rotated, so that even if only one person rides, the direction can be changed.

As described above, the two-seat four-wheeled bicycle of the present invention has a pair of wheels consisting of two pairs of front wheels and rear wheels, and the front wheels and rear wheels are fixed, and a pair of bodies connected to each other by a connecting rod allows a passenger to ride. The saddle is provided with each, characterized in that the technical means that the drive means consisting of a chain connected to the shaft of the sprocket and the rear wheel is provided on one side of the body, the present invention is not limited to the specific embodiments described above, in the claims Without departing from the gist of the claimed subject matter, various modifications can be made by those skilled in the art to which the present invention pertains, and such changes are within the scope of the claims. .

Figure 1 is an exemplary view showing a two-seat four-wheeled bicycle according to an embodiment according to the present invention

2 is a plan view of the same plane

[Description of Signs for Important Parts of Drawing]

1: four-wheeled bicycle 2: front wheel

3: rear wheel 4: steering wheel

5: handle post 6: support frame

7: shaft 8: crank

9: pedal unit (driver) 10: first body pedal shaft

11: second body 12: connecting rod

13: link 14: sprocket

15 chain 16: drive means

17: saddle

Claims (1)

In a bicycle configured to allow two people to ride simultaneously: a pair of wheels divided into a front wheel (2) and a rear wheel (3), and the front wheel (2) is a handle post (5) adjusted left and right by a handle (4) The handlepost 5 is connected to the support frame 6 provided with the saddle 17 and the shaft 7 coupled to the support frame 6 has a crank 8 and a left and right driver pedal unit. A pair of the first body 10 and the second body 11 provided with (9) is connected and fixed by the connecting rod 12, respectively, the left and right provided on the first body 10 and the second body (11) Pedals adjacent to each of the pedal units 9 are integrally connected to each other diagonally so that when one pedal approaches the bottom dead center, the other pedal returns to a position suitable for driving through the top dead center. Avoid the group of joints and get continuous driving force, The handle post 5 is connected by a rotatably-linked link 13, and a sprocket 14 and the sprocket 14 on one of the shafts of the first body 10 and the second body (11). 2) Four-wheeled bicycle, characterized in that the drive means 16 consisting of a chain 15 connecting the rear wheel (3) to improve the running capacity and running speed

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