KR200301491Y1 - A cart type tricycle - Google Patents

Abstract

The present invention relates to a three-wheeled bicycle having three wheels, in particular, the chassis and the body is formed in the form of a passenger car, a pair of front wheels and one rear wheel is installed, and a drive device installed by a motor is installed, so that a user rides in a passenger car. The present invention relates to a cart-type three-wheeled bicycle that enables the user to feel the same comfort, to easily set the direction by the steering device, and to drive the motor on an uphill road.

The cart-type three-wheeled bicycle according to the present invention is a three-wheeled bicycle comprising a frame in which a pair of front wheels are installed and one rear wheel rotatably supported, and a vehicle body installed at an upper side of the frame to form a predetermined space. And, the driving means for generating the rotational force of the wheel by the operation of the occupant, the steering device for adjusting the direction of travel according to the user's operation, the power to connect the motor and the motor and the wheel installed on one side of the frame Transmission means, characterized in that it comprises a power unit consisting of a control unit for detecting the operation of the user to determine whether to drive the motor.

Description

Cart type tricycle {A cart type tricycle}

The present invention relates to a three-wheeled bicycle having three wheels, in particular, the chassis and the body is formed in the form of a passenger car, a pair of front wheels and one rear wheel is installed, and a drive device installed by a motor is installed, so that a user rides in a passenger car. The present invention relates to a cart-type three-wheeled bicycle that enables the user to feel the same comfort, to easily set the direction by the steering device, and to drive the motor on an uphill road.

In general, a three-wheeled bicycle consists of one large front wheel and two small rear wheels, with a saddle in the middle of the front and rear wheels and a handle on the front wheels, each connected by a frame, and compared to two-wheeled bicycles. The bicycle is designed to achieve stable driving.

In this case, the conventional three-wheeled bicycle is characterized in that the crank drive means is directly connected to the front wheel axle to allow the user to step on the foot to drive the front wheel and direct the steering wheel directly connected to the front wheel.

In addition, the adult three-wheeled bicycle is typically installed on one side of the drive means connected to the rear wheel and the chain, the structure can be improved in various ways, such as installing a luggage compartment in the rear of the saddle can be used for various purposes It is characteristic that there is.

However, since the three-wheeled bicycle according to the prior art has one front wheel and two rear wheels, when the brake of the front wheel is operated during driving, the brakes are operated because the load of the bicycle and the user is biased on the front wheel, which is applied at least 2/3 of the braking force. This is incomplete, in particular, there is a fatal problem that the bicycle overturns forward when the front wheel brake is operated during the downhill slope.

In addition, the three-wheeled bicycle according to the prior art has a saddle seated relatively high by the user because the frame supporting the front wheel and the rear wheel is a triangular or a trapezoidal structure similar to a conventional two-wheeled bicycle. There is no structure to prevent the injury of the user when the bicycle is overturned, can not achieve safety driving, there is a problem that the user may be seriously injured when the bicycle is overturned.

In addition, the three-wheeled bicycle according to the prior art is unstable to drive as described above, the burden of the accident is large, can not achieve high-speed driving, because the driving force of the wheel is generated only by the driving means operated by the occupant is formed uphill slope When driving the terrain there is a problem that you can not drive at a sufficient speed.

The present invention has been made to solve the above problems of the prior art, a pair of front wheels and one rear wheel is installed in the chassis and the body formed of a cart (Cart) or a passenger car shape, the center of gravity of the vehicle body is positioned relatively low Therefore, the object of the present invention is to provide a cart-type three-wheeled bicycle capable of achieving stable driving and allowing safe braking by two front wheels even when the front wheel brake is operated.

In addition, by installing a plurality of safety bars on one side of the cart-shaped body, even if a collision or rollover accident occurs, the safety bar prevents the user's body from colliding with the other vehicle or the floor, thereby preventing the user's injury 3 The purpose is to provide a two-wheeled bicycle.

In addition, since the motor is installed on the wheel and a control unit is configured to determine whether the motor is driven, the bicycle may be driven by the driving force of the motor according to the user's operation. It is an object of the present invention to provide a cart-type three-wheeled bicycle for easy driving on the terrain.

1 is a perspective view of a cart-type three-wheeled bicycle according to the present invention,

Figure 2 is a side sectional view showing the main part of a cart-type three-wheeled bicycle according to the present invention,

3 is a front sectional view showing the main part of a cart-type three-wheeled bicycle according to the present invention,

4 is a plan view showing the axle mounting structure of the cart-type three-wheeled bicycle according to the present invention,

5 is a rear view showing the main part of a cart-type three-wheeled bicycle according to the present invention,

6 is a perspective view showing a schematic view and a support structure of a steering apparatus of a cart-type three-wheeled bicycle according to the present invention;

7 is a block diagram showing a power generation device of a cart-type three-wheeled bicycle according to the present invention.

<Explanation of symbols on main parts of the drawings>

2: front wheel 4: rear wheel

4a: support shaft 6: seat

6a: seat belt 10: frame

12: rear bar 19: safety bar

20: body 22: front panel

22a: headlight 22b: cover

22c: bumper 22d: grill

24: side panel 27: roof bar

27a: protective window 30: driving means

31: main gear 32: pedal

33: chain 34: driven gear

40: power unit 42: motor

44: control unit 52: direction indicator

54: brake light 60: damper

62: first support 64: second support

66: third support 70: braking bar

80: steering device 82: handle

82a: rotating shaft 82b: support rod

82c: fixing hole 84: driven shaft

86: horizontal bar 88: universal joint

89: vertical bar 89a: fastening hole

90 power generator 92 first generator

96: fan 98: second generator

94: storage battery 99: solar panel

The cart-type three-wheeled bicycle according to the present invention for solving the above problems is, in a three-wheeled bicycle, a rear axle and a rear wheel on which a pair of front wheels are installed are rotatably supported, and a rear bar of the seat is supported. A vehicle body formed of a frame, a base panel installed on the upper side of the frame, a front panel installed on the base panel, a front panel installed on the base panel, and a side panel to form a predetermined space, and installed on one side of the vehicle body to operate a passenger. Drive means for generating the rotational force of the wheel by the steering device, the steering device is installed between the vehicle body and the front wheel to adjust the traveling direction according to the user's operation, the motor connected to at least one of the front wheel and the rear wheel, Includes a power unit consisting of a control unit for detecting a user's operation to determine whether to drive the motor And that is characterized.

Hereinafter, an embodiment of a cart-type three-wheeled bicycle according to the present invention will be described in detail with reference to the accompanying drawings.

1 is an external perspective view of a cart-type three-wheeled bicycle according to the present invention, Figure 2 is a side cross-sectional view showing the main part of the cart-type three-wheeled bicycle according to the present invention.

The cart-type three-wheeled bicycle according to the present invention has a frame 10 in which a pair of front wheels 2 and one rear wheel 4 are rotatably installed, and a schedule in which a user is positioned by being installed above the frame 10. The vehicle body 20 to form a space, the drive means 30 is installed on one side of the vehicle body 20 to drive the front wheels 2 or the rear wheels 4 when the user manipulates the vehicle, and the vehicle body The steering apparatus 80 is installed between the wheel 20 and the wheels so that the driving direction of the wheel can be adjusted by the user's operation, and the frame 10 and the vehicle body 20 are installed inside the electric device. The driving force is generated and is installed on at least one of the front wheel 2 and the rear wheel 4 and the power unit 40 so as to achieve driving without manipulating the driving means 30. By sticking to the side, the inside of the bike Is attenuated, it consists includes a brake bar 70 which help to finally stop.

Here, the frame 10 is composed of a pair of vertical members arranged in parallel as in a conventional frame and a plurality of horizontal members connecting each vertical member, the upper direction from the rear end of the frame 10 The rear bar 12 is erected to allow the backrest of the seat 6 to be supported, and axles 2a connected to a pair of front wheels 2 are installed at the front side to allow stable driving with a minimum number of wheels. .

Of course, the present invention has been described as limited to the three-wheeled bicycle, the frame 10 may be provided with more wheels, such as four or five wheels to improve the stability by a simple design change.

The rear wheel 4 has a rotation center and a first support 62 having a damper 60 formed at one side of the rear bar 12 hingedly connected, and a second support 64 at the bottom of the rotation center and the frame 10. ) Is hinged to suppress transmission of vibration generated in the rear wheel 4 to the frame 10.

In addition, the frame 10 has a support bar 14 disposed in the horizontal direction at the front end, and a third support 66 provided with a damper 60 between the support bar 14 and the axle 2a. It is installed to suppress the vibration generated in the front wheel (2) to be transmitted to the frame 10, and protrudes a predetermined amount in the outward direction between both side surfaces of the rear bar 12 and the both ends of the support bar 14 to the user. By installing a pair of safety bars 19 to protect, vibrations generated during driving can be significantly reduced and comfortable driving can be performed, and when a collision occurs, the driver can be protected by the safety bars 19. Make sure

In addition, the frame 10 is provided with a pair of loop bars 27 extending in a curve forward from the top of the rear bar 12 to the frame, the protective window of the transparent synthetic resin material between the roof bars 27 (27a) is installed to prevent foreign substances such as dust from entering the eyes of the driver while driving.

In addition, a plurality of the safety bar 19 may be installed to improve safety, and the protective window 27a may cover only the front side as shown in FIG. When formed into a structure, safety can be improved.

As shown in FIG. 1, the vehicle body 20 is installed on the base panel 21 on the upper side of the frame 10 and the seat 6 is seated on the upper surface of the base panel 21. The front panel 22 and the side panel 24 which are formed are included and comprised.

The front panel 22 is formed to form a predetermined space, as shown in Figure 1, the headlamp 22a for illuminating the front at night driving is installed, the cover for protecting the upper side of the front wheel (2) ( 22b) is provided, and a turn indicator 52 is provided on the upper side so as to be flashed by an operation unit (not shown).

In addition, the turn indicator 52 is provided at the upper side of the cover 28 of the rear wheel 4 together with the brake 54 and the like.

In addition, the front lower end of the front panel 22 is provided with a bumper 22c so that the impact is primarily absorbed in the event of a collision to achieve a stable running.

The front panel 22 has an instrument panel installed therein so that information necessary for driving such as a driving speed and a driving distance of the bicycle can be displayed, and an operation unit of the power unit 40 to be described later is also installed on the front panel 22. Allows the user to easily operate the power unit 40 while driving.

In addition, the front panel 22 has a grill 22d is formed on the front surface during the operation of the wind is introduced so that the power generation device 90 to be described later to be installed therein to achieve power generation by wind power.

3 is a front sectional view showing the main part of a cart-type three-wheeled bicycle according to the present invention, Figure 4 is a plan view showing the axle mounting structure of the cart-type three-wheeled bicycle according to the present invention, Figure 5 is The main part of a cart type three-wheeled bicycle is a rear view which shows.

The driving means 30 includes a main gear 31 rotatably installed in front of the base panel 21, and a pair of pedals 32 extending in both directions from a rotation axis of the main gear 31. The main gear 31 and the driven gear 34 are rotated when the user turns the pedal 32 so that the driven gear 34 and the chain 33 installed on the axle 2a are rotated. The front wheel (2) connected to the) to rotate the bicycle is made.

The driving means 30 is disposed in front of the base panel 21, so that the driver seated in the seat 6 can extend the leg forward to place the leg on the driving means 30, the driving means 30 easily ) So that the driver can have the same effect as riding a car.

Figure 6 is a schematic view showing the main part of the steering apparatus of the cart-type three-wheeled bicycle according to the present invention and a perspective view showing the support structure of the handle shaft.

The steering apparatus 80 is installed inside the front panel 22 to allow the user to rotate, and is connected to the universal joint 88 to the rotation shaft 82a of the handle 82 to transmit power. A driven shaft 84 which allows the rotational force to be transmitted even if the direction is changed to a predetermined amount or less, is connected to the driven shaft 84 in a rack and pinion manner, is disposed in parallel with the axle 2a, and supports the front wheels. The horizontal bar 86 is installed to be spaced apart from the shaft 4a by a predetermined amount and moved in the horizontal direction so that the front wheel 2 is rotated about the support shaft 4a.

As a result, when the user manipulates the handle 82, the rotational force of the steering shaft and the driven shaft 84 is converted into the reciprocating motion of the horizontal bar 86 so that the front wheel 2 rotates about the support shaft 4a. The running direction of the bicycle can be adjusted.

Here, the rotation shaft (82a) is formed in the circumferential surface a plurality of fixing hole (82c) is slidably inserted into the support rod (82b) extending from the center of the handle 82 of the rotary shaft (82a) in accordance with the bolt fastening position The length can be adjusted, and a plurality of fastening holes 89a are formed to be detachably mounted by the bracket 87 to the vertical bar 89 installed in an upward direction from one side of the frame 10 so that the rotation shaft 82a Allow height to be adjusted.

Thus, the position of the handle 82 can be adjusted far and close to the seat, the height can also be adjusted to achieve the appropriate distance and height of the handle according to the body size of the driver to enable a comfortable driving.

The power unit 40 is installed on the rotating shaft of the rear wheel or the rotating shaft of the front wheel 2 and the motor 42 to generate a driving force when the power is applied, and to determine whether to drive and the speed of the motor 42 An operation unit (not shown) installed inside the front panel 22 and a control unit 44 electrically connected to the operation unit and the motor 42 to drive the motor 42 according to a signal input from the operation unit are included. It is composed.

The brake bar 70 may be installed on the front wheels 2 and the rear wheels 4 and all wheels. If the brake bar 70 is installed only on one of the wheels, the braking bar 70 is preferably limited to the rear wheels 4, and a general bicycle brake device may be provided. The brake bar is installed in the rear wheel cover protruding to the rear of the rear bar 12 to allow the user to brake the bicycle by operating the brake lever installed in the control unit.

7 is a block diagram showing a power generation device of a cart-type three-wheeled bicycle according to the present invention.

In addition, the cart-type three-wheeled bicycle according to the present invention is generated and stored when the generator 90 is installed and driven by the drive means 30, the electricity stored when the power unit 40 is driven As the energy is supplied, the power generation device 90 is geared to one side of the driving means 30 to convert the rotational motion of the main gear into electrical energy, and the front panel 22 and the front panel 22. A second generator installed inside the grill 22d formed on the front side and connected to the fan 96 rotated by wind flowing during driving, and connected to the rotation shaft of the fan 96 to convert the rotational motion of the fan into electrical energy. 98, a solar panel 99 installed at an upper end of the frame 10 and converting sunlight into electrical energy, and a first generator 92 and a second installed at a bottom of the seat 6. Electricity supplied from generator 98, solar panel 99 Storing energy, and consists of a power unit 40 and the headlight (22a), the turn signal lamp 52, a battery 94, which ever supplying the electrical energy to the brake light (54).

As a result, the generator 90 generates electrical energy by the first generator 92, the second generator 98, and the solar panel 99. It is characterized by being able to produce.

Looking at the operation of the cart-type three-wheeled bicycle according to the present invention configured as described above are as follows.

When the driver rides and rotates the pedal 32, the main gear 31 with the pedal 32 is rotated and at the same time the driven gear 34 connected by the chain 33 is rotated, and the rotational force is applied to the axle 2a. Is transmitted to the front wheels 2 through the operation of the bicycle is started.

At this time, the first generator 92 geared to one side of the main gear 31 is also driven to convert the rotational movement of the main gear 31 into electrical energy, the second generator driven by the fan 96 98, solar panel 99 also generates electrical energy to be stored in capacitor 94.

Subsequently, when the driver passes a high-speed slope, when the driver wants to drive at a high speed, when the driver is tired by long driving, and so on, the electric signal is transmitted to the controller 44. In addition, the drive signal is transmitted from the control unit 44 to the motor 42 and the electric energy stored in the battery 94 is supplied to the motor 42, whereby the motor 42 is driven, so that the sprocket of the rear wheel 4 is driven. The rotation of the electric energy is converted to the rotational motion of the rear wheel (4) to drive the bicycle.

At this time, the control unit 46 is driven by the electric energy, such as the headlamp 22a, the turn signal 52 and the brake light 54 at the same time as the motor 42 is driven. To be supplied to the electrical system.

As a result, the driver can drive even at night when it is difficult to secure a vision, and other drivers can predict the driving direction and stoppage by using the direction indicator 52 and the brake lamp 54 like a car, thereby preventing accidents. Make sure

In addition, the driver may change the driving direction of the bicycle by operating the handle 82, when the handle 82 is rotated by the user, the driven shaft 84 connected by the universal joint 88 is rotated, The rotational motion of the coaxial 84 is converted into a reciprocating motion of the horizontal bar 86 by the rack and pinion so that the pair of front wheels 2 are rotated about the support shaft 4a, so that the traveling direction of the bicycle is To be converted.

In addition, as shown in Figure 6b by adjusting the height and distance of the handle axis of rotation (82a) can achieve the height of the handle to match the user's body size is more stable operation.

In the cart-type three-wheeled bicycle according to the present invention configured as described above, a car-shaped body is installed on a frame in which a pair of front wheels and one rear wheel are installed, so that a seat on which a driver sits is located close to the ground as in a conventional cart. Therefore, the driver feels the riding feeling of the passenger car, and there is an advantage that can achieve stable driving prevented overturning of the vehicle body.

In addition, the driving device installed according to the operation of the user is installed, so that the bicycle is driven by electric energy when passing an uphill slope area, when the driver wants to drive at a high speed, when the driver is tired from driving for a long time, or the like. Therefore, there is an advantage that can be performed easily and comfortable driving.

In addition, when the driving means for driving by the user's operation is operated, the electrical energy is generated and stored, and when the power unit is driven, a power generation device for supplying the electrical energy is installed there, which is required for the operation of the bicycle There is an advantage that can reduce the operating cost.

Claims (10)

In a three-wheeled bicycle; A frame 10 having a rear axle 2 on which the axle 2a on which the pair of front wheels 2 are installed and one rear wheel 4 are rotatably supported, and the rear surface of the seat 6 is supported; Installed on the upper side of the frame 10 is composed of a base panel 21 on which the seat 6 is seated, and a front panel 22 and a side panel 24 installed on the base panel 21 to form a predetermined space. One body 20; A driving means (30) installed at one side of the vehicle body (20) to generate rotational force of the wheels by a passenger; A steering device (80) installed between the vehicle body (20) and the front wheel (2) to adjust a traveling direction according to a user's operation; The power unit 40 includes a motor 42 connected to at least one of the front wheel 2 and the rear wheel 4, and a controller 44 that detects a user's manipulation to determine whether to drive the motor 42. The cart type three-wheeled bicycle characterized by the above-mentioned. The method of claim 1, The cart-type three-wheeled bicycle has a first generator 92 which is geared to one side of the driving means 30 and converts rotational motion of the main gear into electrical energy, and a grill 22d formed on the front panel 22. A fan 96 which is installed inside the fan and rotated by wind flowing during driving, a second generator 98 connected to the rotation shaft of the fan 96 to convert the fan's rotational motion into electric energy, and the frame A solar panel 99 installed at an upper end of the solar cell 10 and converting sunlight into electrical energy; and a lower panel of the seat 6 installed in the first and second generators 92 and 98 and the solar panel. A power generation device composed of a storage battery 94 for storing electrical energy supplied from the 99 and supplying electrical energy to the power unit 40 and the headlamp 22a, the turn signal 52, and the brake light 54 ( 90) further comprises a cart-type three-wheeled bicycle. The method of claim 1, The cart-type three-wheeled bicycle has at least one of the front wheel 2 and the rear wheel 4 by friction with one side of the wheel by the user's operation to lower the running speed, and finally the brake bar 70 is installed to stop the bicycle. A cart type three-wheeled bicycle characterized by the above-mentioned. The method of claim 1, The frame 10 is provided with a pair of loop bars 27 are installed in a curve from the top of the rear bar 12 to the front of the frame, between the pair of roof bars 27 a protective window of a transparent synthetic resin material ( 27a) is installed, the cart-type three-wheeled bicycle, characterized in that the solar panel 99 is installed on the upper surface of the protective window (27a). The method of claim 1, The frame 10 has a rotation center of the rear wheel 4 and the first support 62 having a damper 60 formed at one side of the rear bar 12 hingedly connected, and the rotation center of the rear wheel 4 and the frame ( 10) Cart-type three-wheeled bicycle, characterized in that the second support (64) is hinged at the bottom to suppress the vibration generated in the rear wheel (4) is transmitted to the frame (10). The method of claim 1, The frame 10 has a support bar 14 disposed in a horizontal direction at the front end, and a third support 66 having a damper 60 installed between the support bar 14 and the axle 2a. Cart-type three-wheeled bicycle, characterized in that to suppress the vibration generated in the front wheel (2) to be transmitted to the frame (10). The method of claim 1, The frame 10 is characterized in that a pair of safety bars 19 are installed between both side surfaces of the rear bar 12 and both end portions of the support bar 14 to protrude in an outward direction to protect the user. Kart type three-wheeled bicycle. The method of claim 1, The driving means 30 is a main gear 31 rotatably supported on one side of the vehicle body, a pedal 32 connected to the rotation shaft of the main gear 31 to allow the user to rotate the main gear, and the main drive Cart-type three-wheeled bicycle, characterized in that consisting of a chain 33 for connecting the gear 31 and the driven gear 34 installed on the axle (2a). The method of claim 1, The steering apparatus 80 may include a handle 82 installed at one side of the front panel 22, a driven shaft 84 connected to the rotation shaft 82a of the handle 82 by a universal joint 88, and the Cart type three-wheeled bicycle characterized in that it is connected to the driven shaft 84 in a rack and pinion manner, and includes a horizontal bar 86 coupled to the support shaft 4a of each front wheel 2 by a predetermined amount. . The method of claim 9, Since the rotating shaft 82a of the handle 82 is slidably inserted into the supporting rod 82b extending from the center of the handle 82 by forming a plurality of fixing holes 82c on the circumferential surface thereof, The length of the 82a can be adjusted, a plurality of fastening holes (89a) is formed to be detachably mounted by the bracket 87 to the vertical bar (89) installed in the upper direction from one side of the frame 10, the rotary shaft ( A cart-type three-wheeled bicycle, characterized in that the height of 82a) can be adjusted.