KR20110088611A - Electric cycle with tow pedals - Google Patents

Abstract

Patent Application No. 10-2008-0088575 This patent is for patents already filed with Wellness Bikes. The already registered wellness bike is a bike powered by a novel motor and one pedal. However, pushing a bicycle with two or three people by yourself is barely possible, so if you put another pedal on the rear wheel axle of the bicycle and you put the two people together, you'll be able to drive long or long distances. Will be able In particular, this patent is a multifunctional, versatile well-being bicycle that serves as a 3-seater mini-cab when another person rides in the front seat for the elderly.

Description

2 pedal electric wellness bicycle {Electric cycle with tow pedals}

A well-being bicycle, which is already pending, sometimes rides with two people. But at this time, one person sits in the back seat without any exercise. Therefore, in this case, the person pedaling in the front is twice as powerful as when riding alone. The well-being well-being bike is now driven by a pedal between the front and rear wheels. Therefore, if another pedal is mounted on the rear wheel rotation shaft and the person sitting on the rear magnet also presses the pedal, two people can push the bicycle with less force, and the person sitting on the rear magnet gets the effect of exercising.

None of the bicycles currently on the market are equipped with pedals on the rear axle. Therefore, in order to mount another pedal to the rotation axis of the rear wheel, the rear axis of rotation must be newly designed and manufactured. The current bike is firmly fixed to the body so that the rear wheel axle cannot rotate. Therefore, to allow the rear wheel central axis to rotate freely and to mount the pedals on both ends of the central axis.

1. In the current bicycle, the rear wheel is attached to the rear wheel by adding a gear that transmits the power from the pedals installed on the rear wheel.

2. The current bicycle has the rear wheel shaft firmly fixed to the wheel support of the body. The shaft of the body and the rear wheels are coupled through a cylindrical bearing so that the rear wheels can rotate freely.

3. The length of the wheel axle should be long enough to allow pedals to be mounted at both ends of the rear wheel axle.

1. The well-being bicycle already pending had two: a chain gear connected to the front pedal and a chain gear connected to the motor shaft. (Figure 1) shows the installation of a chain gear connected to another rear wheel side by side.

2. Create a bearing house in which the cylindrical bearing can be inserted into the rear wheel support so that the rear wheel axle can rotate freely without being fixed to the rear wheel support. (A) in (Figure 2) is the existing rear wheel support. (B) is the seat of the cylindrical bearing housing to free the rotation of the rear wheel shaft. (C) is a side view of (b) rotated 90˚.

3. Fig. 3 shows the assembly of the rear wheel center shaft of Fig. 1 to the wheel support of Fig. 2 and the pedals mounted on both left and right ends of the central shaft. At this time, the cylindrical bearing is inserted into the wheel support so that the central axis can rotate freely.

When two people like a couple or a friend go out for a picnic or ride a bicycle, they add intimacy, and they can enjoy a relaxing time together. In the case of well-being bicycles, a three-seater bicycle that can be carried by another person in the front seat can also be a means of transportation instead of mini-taxi.

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The picture (4) is a parakeet couple who hates the items they bought at the mart in the front seat, the picture (5) is the infant lying in the front seat and the couple goes out, and the picture (6) is for the elderly. You can use it when you go to the hospital.

In Figure (1), 1 is a pedal and 2 is a cylindrical bearing house supporting the rear wheels. The length from the center of the front pedal to the center of the rear wheel pedal is approximately 70 cm. The width of the support is about 15 cm. Figure (2) is a figure rotated by 90 ° of Figure (1), and 3 is a cylindrical bearing house. Figure (3) is a cross-sectional view of a cylindrical bearing house. Figure 4 is the cylindrical bearing and 5 is the space for the rear wheel's axis of rotation.

Figure (4) shows the structure of the rear wheel of a commercially available bicycle, arranged on the shaft in the following order: hub fixing bolt, ball bearing, hub, chain gear, ball bearing, and fixing bolt. (B) of the figure shows the location of the hub, wheel and ball bearing. Figure (c) is a side view of the existing rear wheel shaft.

Figure (5) is a side view of the rear wheel structure of a modified bicycle. Fig. (A) shows the hub fixing bolt, the cylindrical bearing, the ball bearing, the chain gear connecting the rear pedal and the shaft, the chain gear connecting the front pedal and the shaft, the hub, the chain gear connecting the motor and the shaft, the ball bearing and the hub on the rear wheel central shaft. The figure shows the parts arranged in the order of fixing bolts. Figure (b) shows the three chain gears attached to the wheel and the hub. Figure (c) shows the wheel axle, cylindrical bearing and fixing bolts.

Figure (6) is a structural diagram of the rotation axis of the rear wheel. The width between the left and right fixing bolts is 15 cm, as is the width of the support in Fig. (1). The length of the rear wheel shaft is about 10 cm out of the left and right supports. Attach the pedals here. The size of the rear wheels, tires, tubs and chain gears are made of ready-made products.

(A) of the picture (7) is a map of the rear wheel support of (1), and (b) is a drawing of the rear wheel shaft of the picture (5) assembled to the support (a) of the picture (7). (C) is a diagram in which the pedals are mounted on the left and right ends of the wheel rotation shaft in the figure (b).

(A) is a side view of the rear wheel and (b) is a cross-sectional view of the hub. (C) is a drawing of assembled electrostatic gears (gear only in one direction) on both sides of the hub. (D) is a cross-sectional view of an electrostatic gear.

(A) of Figure (9) inserts the central axis of the rear wheel into the (c) shape of Figure (8), and (b) is the state where the central axis of the hub and wheel are completely combined. The rightmost electrostatic word in this figure is combined with the wheel center shaft and a pin. Therefore, when the pedal rotates on the wheel center shaft, the rightmost electrostatic gear rotates according to the rotation of the central shaft.

(A) of the figure (10) is a state in which the bearing is inserted because there is a cylindrical bearing groove in the wheel support to free the rotation of the central axis. (B) shows the pedals mounted on the left and right ends of the central axis.

Claims (2)

Technology for designing and manufacturing a bicycle that installs three electrostatic gears that rotate in one direction side by side at the back of the bicycle's rear wheel and selectively obtains the driving force by an electric motor and two pedals. Technology for designing and manufacturing a bicycle that rotates the rear wheel by rotating the rear wheel center axis of the bicycle through the cylindrical bearing on the body and combining the central axis with one of the three electrostatic gears installed in the hub.

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