KR20120098285A - Folding type bycycle - Google Patents

Abstract

PURPOSE: A foldable bicycle is provided to maintain a stable vertical posture and to improve the convenience of users by driving the foldable bicycle with electric energy. CONSTITUTION: A foldable bicycle comprises a body, a first wheel(160), a second wheel(170), a tilt sensor, and a main controller. The body comprises a rotation coupling part. The rotation coupling part is arranged to rotate first and second wheel frames from a main frame on a lengthwise direction. The first and second wheels are installed in the first and second wheel frames to be rotated by first and second driving motors. The tilt sensor is installed in the body to measure lateral inclination and outputs detected signals. The main controller receives the detected signals outputted from the tilt sensor and controls a first or a second rotating motor to balance the center of the body.

Description

Posture Folding Bike {FOLDING TYPE BYCYCLE}

The present invention relates to a bicycle, and more particularly, to maintain a vertical posture easily and stably, and to maintain a vertical posture, and to fold in multiple stages to minimize the volume in a folded state and to maximize storage and transport. It is about.

In general, a bike is a vehicle that allows the user to sit down and move forward by turning the wheels with the power of both legs, usually allowing the user to sit on the saddle, grab the handle with both hands, and alternately press the pedals with both feet to turn the wheels with chains. It is often made of two wheels, but can also be made of three.

On the other hand, the bicycle has been developed and used in order to eliminate the inconvenience of storage or transportation due to its volume. In particular, recently, when traveling with a user by train or express bus for a bicycle trip, the utility of the folding bicycle is urgently needed.

Conventional folding bikes can be folded with a hinge attached between the front wheel and the handle, or use a structure such as storing the bicycle by folding the hinge on the frame supporting the rear wheel and the saddle, and thus the trunk of the vehicle The volume is reduced when moving, so that it can be easily carried by vehicles when moving at a long distance.

However, the conventional folding bicycle, as mentioned above, can only be folded once, and thus has a limitation in reducing the volume in the storage or transportation process, is difficult to carry, and is operated only by a user's manual driving. It was necessary to further improve the user's convenience by driving with clean energy.

In addition, when the conventional folding bicycle is electrically driven, it is urgently needed to develop a product that enables accurate and stable posture maintenance.

In order to solve the conventional problems as described above, the present invention is to increase the user's convenience by using electric energy, to maintain a vertical posture easily and stably, and to be folded in a multi-stage state in the folded state Minimizing the volume to maximize storage and transport, which is easy to carry even, and easy to fold the process to reduce the user's effort.

Other objects of the present invention will be readily understood through the following description of the embodiments.

In order to achieve the object as described above, according to an aspect of the present invention, both sides of the main frame is extended back and forth by the first hinge coupling portion to support the load of the user, but both sides by the first hinge coupling portion Folded with each other, the saddle is provided on the main frame, pedals are provided on both sides of the pedal frame hinged to the main frame, and the first and second wheel frames are hinged at both ends of the main frame. The hinge is coupled to each other to maintain a state unfolded downward to support the load of the user, respectively, the second hinge coupling portion is folded in the main frame, respectively, the first and second wheel frame is the first and second rotation A body having a rotatable coupling portion provided to rotate about a longitudinal direction from the main frame by a motor; First and second wheels installed on the first and second wheel frames to be rotated by first and second driving motors, respectively; A tilt detection unit installed to output a detection signal by measuring left and right tilts on the body; And receiving the detection signal output from the tilt detection unit, so that any one of the first wheel or the second wheel rotates and rotates by the rotation coupling unit in a direction in which the body is inclined. There is provided a posture maintenance folding bicycle including a main control unit for controlling the second rotation motor to center the body.

The first and second wheels are respectively arranged left and right, and the first and second wheel frames are folded together with the first and second hinge couplings, respectively, to the main frame, and both sides of the main frame are connected to the first hinge. The pedal can be folded with the pedal frame in between.

The main frame is hinged to the first frame and the second frame by the first hinge coupling portion respectively at both ends of the link member, the pedal frame is a side extending downward from the link member can be rotated backwards The hinge is coupled to the link member so that the rotation is suppressed by a predetermined angle or more, protrudes upward from the link member, the pedal is installed to be folded upward on both sides of the lower end, the saddle is hinged to the link member, A latch may be provided to be supported horizontally from the unfolded mainframe by being caught by the upper end of the pedal frame inclined forward.

The first and second rotary motors may be installed at each of the second hinge coupling parts, and the first and second driving motors may be installed at the first and second wheel frames, respectively.

The main control unit controls the stop and the speed of the first and second driving motors according to the operation signals of the stop operation unit and the acceleration operation unit, respectively, when the first and second driving motors are stopped, respectively. The first and second rotary motors can be controlled to be arranged left and right.

The main controller may include a front end of the first wheel and a rear end of the second wheel in a direction in which the body is inclined when the traveling speed or the rotational speed of the first and second driving motors is less than or equal to a predetermined speed. The first and second rotary motors can be controlled to be rotated and twisted.

According to the posture maintenance folding bicycle according to the present invention, it is possible to increase the user's convenience by driving using electric energy, to maintain a vertical posture easily and stably, and to be folded in multiple stages to increase the volume in the folded state It can be minimized to maximize storage and transportation, which can even be carried easily, and the folding process can be made easier, thereby reducing the user's effort.

1 is a side view showing a posture maintenance folding bicycle according to the present invention,
2 is a plan view showing a posture maintenance folding bicycle according to the invention,
3 is a front view showing a posture maintenance folding bicycle according to the invention,
Figure 4 is a block diagram showing a posture maintenance folding bicycle according to the invention,
5 to 7 are views for explaining a folding process of the posture maintenance folding bicycle according to the present invention,
8 is a view for sequentially explaining the operation during the tilting of the posture maintenance folding bicycle according to the present invention,
9 is a view for explaining the operation at the stop of the posture maintenance folding bicycle according to the invention,
10 is a view for sequentially explaining the operation during low-speed tilting posture maintenance folding bicycle according to the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention, And the scope of the present invention is not limited to the following examples.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant explanations thereof will be omitted.

1 to 3 is a side view, a plan view and a front view showing a posture-maintaining folding bicycle according to the present invention, Figure 4 is a configuration diagram showing a posture-maintaining folding bicycle according to the present invention.

1 to 4, the posture maintaining folding bicycle 100 according to the present invention includes a body, first and second wheels 160, a tilt detection unit 240, and a main controller 250. It may include.

The main frame 110 is both sides of the main frame 110 is extended back and forth by the first hinge coupling portion 111 to support the user's load, but both sides are folded to each other by the first hinge coupling portion 111, the main frame 110 Saddle 120 is provided on the), the pedals 131 are provided on both sides of the pedal frame 130 hinged to the main frame 110, the first and second wheels on both ends of the main frame 110 The frames 140 and 150 are hinged by the second hinge couplers 142 and 152 to maintain the unfolded downwards to support the user's load, but are in contact with the main frame 110 by the second hinge couplers 142 and 152, respectively. Rotating coupling parts 141 and 151 are provided such that the first and second wheel frames 140 and 150 rotate about the longitudinal direction from the main frame 110 by the first and second rotation motors 180 and 190, respectively.

The main frame 110 is maintained in a state in which both sides are extended back and forth by the first hinge coupler 111 to support the load of the user, and both sides rotate downward by the first hinge coupler 111. Fold. Therefore, the main frame 110 has a first hinge to allow rotation of both sides only within an angle where both sides rotate downward to be folded in a state in which the main hinge 110 is unfolded to almost both sides by the first hinge coupler 111. The rotation angle limiting structure may be provided at the coupling part 111.

In the main frame 110, the first and second frames 112 and 113 may be hinged to the both ends of the link member 114 by the first hinge coupler 111.

The saddle 120 is provided to allow the user to sit on the mainframe 110, and a display unit 123 (shown in FIG. 4) indicating a state of charge of the battery 230 is provided, and a battery 230 such as a storage battery therein. 4) may be installed. Here, the display unit 123 may be formed of a display device such as an LED or an LCD.

The saddle 120 may form a backpack by connecting a shoulder belt (not shown) so that the user can wear a bicycle when the bicycle 100 completes folding.

Pedal frame 130 is hinged to the main frame 110 by a third hinge coupling portion 133, the pedal 131 is provided on both sides, for example from the link member 114 of the main frame 110 The side extending downwards is hinged to the link member 114 so as to be rotated backwards, but the rotation is suppressed at a predetermined angle or more forward, protrudes upward from the link member 114, the pedal 131 on both sides of the lower end The hinge is installed to be folded upward.

The saddle 120 is hinged to the link member 114 by the coupling member 121 and latched to be supported horizontally from the main frame 110 which is extended by being caught by the upper end of the pedal frame 130 inclined forward ( 122) may be provided. Here, the pedal frame 130 may be provided with a handle 132 on the top. In addition, the latch 122 may have a ring or bracket structure so as to be directly caught on the upper end of the pedal frame 130. Alternatively, the latch 122 may be coupled by a screw of the pedal frame 130 or may be fastened to a separate member such as a screw or bolt. In the folding process of the bicycle 100, the saddle 120 may be folded to the main frame 110 by first separating the latch 122 from the upper end of the pedal frame 130.

The first and second wheel frames 140 and 150 maintain the unfolded downward state to support the load of the user by the second hinge couplers 142 and 152 at both ends of the main frame 110, respectively, and the second hinge coupler ( 142, 152 are folded to the lower side of the main frame 110 when rotated toward each other, respectively, the rotation coupling portion (141, 151) is rotatable around the axis in the longitudinal direction, that is, perpendicular to the ground from the main frame 110, respectively Can be prepared.

The first and second wheels 160 and 170 are rotatably installed on the first and second wheel frames 140 and 150, and are in close contact with the ground to rotate the bicycle 100.

As such, in the state in which the first and second wheels 160 and 170 are arranged side to side, the main frame 110 of the main frame 110 with respect to the second hinge coupling parts 142 and 152 together with the first and second wheel frames 140 and 150 respectively. Folded on one side, both sides of the main frame 110 can be folded with the pedal frame 130 interposed around the first hinge coupler (111).

That is, as shown in FIG. 5, the pedal 131 is folded upward in the pedal frame 130, and then the latch 122 (shown in FIG. 1) is lifted from the upper end of the pedal frame 130 as shown in FIG. 6. By separating, the top of the saddle 120 and the pedal frame 130 is separated, and the first and second wheel frames 140 and 150 are arranged side by side so that the first and second wheels 160 and 170 are arranged left and right. As shown in FIG. 7, the first and second wheels 160 and 170, along with the first and second wheel frames 140 and 150, respectively, are formed around the second hinge coupling parts 142 and 152 of the main frame 110. To be folded to one side, both sides of the main frame 110 to be folded with the pedal frame 130 interposed around the first hinge coupling portion 111 to facilitate carrying and carrying.

The first and second rotary motors 180 and 190 may be installed to rotate the first and second wheels 160 and 170 by the rotary coupling units 141 and 151. For example, the first and second rotary motors 180 and 190 may be installed in the second hinge coupling units 142 and 152, respectively. The first and second wheel frames 140 and 150, which are rotatable by the rotary coupling unit 141 formed of the shaft coupling, are provided through reduction gears or gear assemblies installed in the second hinge coupling units 142 and 152. It rotates with the longitudinal direction as the axis (160,170).

The first and second driving motors 210 and 220 are installed to rotate the first and second wheels 160 and 170 from the first and second wheel frames 140 and 150 for driving, for example, through a reducer or a gear assembly. The first and second wheel frames 140 and 150 may be installed to rotate the first and second wheels 160 and 170, respectively.

The battery 230 is installed to supply power to the first and second rotary motors 180 and 190 and the first and second driving motors 210 and 220. For example, the battery 230 is made of a rechargeable battery and is provided to be opened and closed on the saddle 120. It can be mounted on.

The tilt control unit 240 may be a tilt sensor installed to measure a left and right tilt inside the first frame 112 of the body, for example, the main frame 110 and output a detection signal.

The main controller 250 receives a detection signal output from the tilt detection unit 240, and determines the inclination direction and the inclination angle of the body, for example, the main frame 110, through the detection signal, thereby determining the body, for example. The first rotation motor 180 or the second rotation such that any one of the first wheel 160 or the second wheel 170 is rotated and twisted by the rotation coupling parts 141 and 151 in the direction in which the main frame 110 is inclined. The motor 190 is controlled so that the body, for example, the mainframe 110 is centered.

As shown in FIG. 8, the main controller 250 controls the first rotary motor 180, for example, so that the front end of the first wheel 160 is turned in a direction in which the body, for example, the main frame 110 is inclined. A posture control process is sequentially shown, which indicates a case in which the bicycle 100 is relatively high speed, and the main controller 250 randomly determines a section from the medium speed to the highest speed to rotate at high speed. Steering based on several function elements, such as time and time.

As shown in FIG. 9, the main controller 250 controls the stop and the speed of the first and second driving motors 210 and 220 according to the operation signals of the stop operator 271 and the acceleration operator 272, and the first controller. And when the second driving motors 210 and 220 are stopped, the first and second rotating motors 180 and 190 may be controlled so that the first and second wheels 160 and 170 are arranged side to side. In this case, the first and second wheels 160 and 170 may be balanced by rotating 90 degrees within 1 second so as not to fall from side to side. On the other hand, the stop operation unit 271 and the acceleration operation unit 272 may be provided on the pedal 131, respectively, and may be made of a pressure sensor or the like so that the stopping force and acceleration force proportional to the stepping pressure.

The main controller 250 controls the rotation speed and the rotation angle of the drive controller 261 and the first and second rotation motors 180 and 190 for controlling the rotation speed of the first and second driving motors 210 and 220. It may have a steering controller 262 for the drive, the drive control unit 261 and the steering controller to receive the operation signals of the stop operation unit 271 and the acceleration operation unit 272 respectively for the stop and acceleration operation corresponding to this The first and second driving motors 210 and 220 and the first and second rotating motors 180 and 190 may be controlled through 262. Here, the first and second rotation motors 180 and 190 may be used a servo motor for controlling the rotation angle.

As shown in FIG. 10, the main controller 250 has a traveling speed or a rotation speed of the first and second driving motors 210 and 220 which is less than or equal to a predetermined speed. For example, when the attitude control is not easy with only one wheel at a relatively low speed. The first and second ends of the first wheel 160 and the rear end of the second wheel 170 are rotated and twisted by the rotation coupling parts 141 and 151 in the inclined direction of the body, for example, the main frame 110. The rotary motors 180 and 190 may be controlled. In this case, when the first and second wheels 160 and 170 rotate in a low speed situation, both the first and second wheels 160 and 170 rotate to minimize the radius of rotation. The first and second wheels 160 and 170 may rotate in opposite directions to minimize their rotation angles.

As described above, the present invention has been described with reference to the accompanying drawings, but various modifications and changes can be made without departing from the spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the following claims.

110: main frame 111: first hinge coupling portion
112: first frame 113: second frame
114: link member 120: saddle
121: coupling member 122: latch
123: display unit 130: pedal frame
131: pedal 132: handle
133: third hinge coupling portion 140: the first wheel frame
141: rotary coupling portion 142: second hinge coupling portion
150: second wheel frame 151: rotation coupling portion
152: second hinge coupler 160: first wheel
170: second wheel 180: first rotating motor
190: second rotation motor 210: first driving motor
220: second driving motor 230: battery
240: tilt detection unit 250: main control unit
261: drive control unit 262: steering control unit
271: stop operation section 272: acceleration operation section

Claims (6)

Both sides of the mainframe are extended back and forth by the first hinge coupler to support the load of the user, but both sides are folded to each other by the first hinge coupler, and a saddle is provided on the mainframe. Pedals are provided at both sides of the hinged pedal frame, and the first and second wheel frames are hinged by the second hinge coupler to both ends of the main frame, respectively, to maintain the unfolded state to support the load of the user. The second hinge coupling portion is folded to the main frame, respectively, and the rotation coupling portion so that the first and second wheel frame is rotated about the longitudinal direction from the main frame by the first and second rotary motor, respectively A body provided;
First and second wheels installed on the first and second wheel frames to be rotated by first and second driving motors, respectively;
A tilt detection unit installed to output a detection signal by measuring left and right tilts on the body; And
Receiving a detection signal output from the tilt detection unit, the first rotation motor or the one so that any one of the first wheel or the second wheel is rotated and twisted by the rotation coupling unit in the direction in which the body is inclined Main control unit for controlling the second rotation motor, so that the body is centered
Posture maintenance folding bike comprising a.
According to claim 1, wherein the first and second wheels are respectively arranged to the left and right, with the first and the second wheel frame with each of the second hinge coupling portion around the main frame and folded, Posture folding bike, characterized in that both sides are folded with the pedal frame in between the first hinge coupling portion.
According to claim 1, The main frame is the first and second frames are hinged by the first hinge coupling portion respectively at both ends of the link member,
The pedal frame is hinged to the link member so that the side extending downward from the link member can be rotated backwards, but the rotation is suppressed at a predetermined angle or more forward, protrudes upward from the link member, both sides of the lower The pedal is installed to fold upwards,
And the saddle is hinged to the link member and provided with a latch for supporting horizontally from the main frame that is extended by being caught by an upper end of the pedal frame inclined forward.
The method of claim 1,
The first and second rotary motors are installed in each of the second hinge coupling portion,
The first and second driving motor is posture maintenance folding bike, characterized in that installed on the first and second wheel frame, respectively.
The method of claim 1, wherein the main control unit,
The stop and speed of the first and second driving motors are controlled according to the operation signals of the stop operation unit and the acceleration operation unit, and the first and second wheels are arranged left and right when the first and second driving motors are stopped. Posture maintenance folding bicycle, characterized in that for controlling the first and second rotation motor.
The method of claim 1 or 5, wherein the main control unit,
When the traveling speed or the rotational speed of the first and second driving motors is less than or equal to the predetermined speed, the front end of the first wheel and the rear end of the second wheel are rotated and twisted by the rotation coupling part in the inclined direction of the body. Posture maintenance folding bicycle, characterized in that for controlling the first and second rotation motor.

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