KR20100074462A

KR20100074462A - Bicycle for leisure

Info

Publication number: KR20100074462A
Application number: KR1020080132910A
Authority: KR
Inventors: 박훈근
Original assignee: 박훈근
Priority date: 2008-12-24
Filing date: 2008-12-24
Publication date: 2010-07-02

Abstract

The present invention relates to a leisure bicycle that can be driven by pushing or pulling the handle to generate a driving force, and also can be driven in a manual or electric manner and in parallel by driving the rear wheel by the electric motor.

The present invention provides a footrest 4 provided with a rear wheel drive motor 41 driven by a battery, a rear wheel 43 rotated by the rear wheel drive motor 41, and the footrest 4 at a predetermined angle in left and right directions. A frame 6 connected to be rotated, a front wheel fork 33 connected to the front of the frame 6 and having a front wheel 5 coupled thereto, and a support plate 31 hinged to the front wheel fork 33. And a handle (2) installed at the upper end of the handle bar (3) installed on the support plate (31) and moving back and forth by pushing or pulling, and a link (36) of a predetermined length hinged to the front end of the support plate (31). ), The front wheel drive sprocket (37) having the lower end of the link (36) eccentrically coupled, the driven sprocket (38) provided on the shaft of the front wheel (5), the driven sprocket (38) and the front wheel drive sprocket (37). It is configured to include a chain 39 for connecting).

Description

Leisure Bicycle {Bicycle for leisure}

The present invention relates to a leisure bike, and more particularly, it is possible to rotate the front wheel by pushing or pulling the handle to generate a driving force, and also by driving the rear wheel by an electric motor to drive in a manual or electric and parallel manner It is about one leisure bike.

In general, a bicycle generates power by stepping on both pedals, and the sprocket rotated by the pedal rotates the rear wheel by the chain so that the bicycle is advanced.

As described above, the bicycle is driven by the driver's pedaling force, and in recent years, bicycles that have been driven by the addition of a motor, an engine, or the like have been developed. An electric bicycle uses a power source such as a battery to drive a motor to obtain driving force.

1 is a view showing the configuration of a conventional electric bicycle.

As shown in FIG. 1, the related art includes a frame 130, a handle 134 provided at the front end of the frame 130 and adjusting a driving direction, and a handle 134 provided at the front end of the frame 130. The front wheel 138 having a diameter of 20 to 29 inches and the rear wheel 140 provided at the rear end of the frame 130, and the driver receives the driver's effort and transmits it to the rear wheel 140. A first chain mechanism 145 connecting between the pedal 142 and the sprockets 143 and 144, and a driving force for driving the rear wheel, which is driven by the power supplied to the frame 130 and supplied from the battery 157. And a second chain 155 and a sprocket 152 and 153 which transmit a driving force of the motor to the rear wheel.

2 is a view showing another conventional electric bicycle.

As shown in Fig. 2, the applicant's patent registration No. 10-0579530 proposes a bicycle driven by a handle, and a hinge 3 is installed on the shaft 2 of the bicycle 1 so that the hinge 3 Handle (4) bent by a certain angle via the ()) is rotatably installed in the front and rear direction, the guide hole (5) is formed in the lower portion of the handle (4) and can be moved along the guide hole (5) The roller 6 is inserted into the guide hole 5, and the rod 7 is connected to the roller 6 so that the rod 7 can move straight up and down in accordance with the pushing and pulling action of the handle 4. do.

The lower end of the rod (7) is connected to the cam (9) is rotated through the link link 8, the drive gear 10 is rotated with the cam (9) is installed on one side of the cam (9). In addition, the ratchet 12 which is rotated in only one direction through the stopper 11 is installed inside the drive gear 10, and rotates together with the drive gear 10 on the outside of the drive gear 10. The auxiliary sprocket 13 is installed, and the central shaft gear 16 is integrally installed on the central shaft 15 of the front wheel 14 of the bicycle 1 so as to be connected by the auxiliary sprocket 13 and the chain 17. As a structure, since the front wheel of the bicycle can be driven using the handle, the user can induce even development of the body by efficiently performing the upper and lower body exercise of the user.

However, the prior patents are limited to adult bicycles and thus have disadvantages of being too bulky and heavy for children to use.

The present invention has been made to solve the above problems of the prior art, it is driven by pushing and pulling the handle in the front and rear direction in the state of boarding to provide a leisure bike that can be obtained by the adult as well as children whole body movement effect The purpose is.

Another object of the present invention is to provide a leisure bicycle that can be driven even by electric.

In addition, an object of the present invention is to provide a leisure bicycle that can improve the driving output with the whole-body movement by the combination of manual and electric.

In addition, it is an object of the present invention to provide a bicycle that can turn the curve in a more balanced state by allowing the front wheel to be inclined laterally by twisting the frame than when driving on a curved road.

The object of the present invention is a rear wheel drive motor driven by a battery, a footrest provided with a rear wheel rotated by the rear wheel drive motor, a frame connected to the footrest to be rotated in a predetermined angle left and right, and the frame A front wheel fork connected to the front and coupled with a front wheel at a lower portion, a support plate hinged to the front wheel fork, a handle installed at an upper end of a handle rod installed at the support plate and moving back and forth by pushing or pulling, and a front end of the support plate Recreational bicycle comprising a link of a predetermined length hinged to, a front wheel drive sprocket eccentrically coupled to the lower end of the link, a driven sprocket installed on the shaft of the front wheel, and a chain connecting the driven sprocket and the front wheel drive sprocket Can be achieved by

A locking means for releasing or fixing the handle to enable forward and backward movement is further provided. The locking means includes a case installed on the support plate, a butterfly bolt having a predetermined length through-connected to the case, and one side of the hinge shaft. A first fixture coupled to the first gear formed on the other side, and a second fixture inserted into the case and screwed to the butterfly bolt, and having a second gear engaged with the first gear at one end thereof. .

The twist portion is formed at the coupling portion of the frame and the scaffold, so that the frame is rotated from side to side and at the same time to perform a torsional movement.

The twist portion is formed at the end of the frame and the upper and lower shaft rods are formed with a projection pin, is installed on the scaffold, the hollow portion is inserted into the shaft rod is formed inside, the projection pin is inserted into the upper and lower portions of the front end It is characterized in that it comprises a bushing formed with a cutting groove, and the engaging hole to be coupled to the end of the shaft bar to prevent the bushing and separation.

According to the present invention, it can be driven electrically and is convenient to use.

In addition, the manual mode can be driven by moving the handle back and forth, thereby obtaining a motion effect.

In addition, when driving along a curved road, the steering wheel may be refracted while being twisted to the frame with steering of the steering wheel, thereby enabling more stable curve driving.

In addition, there is an advantage that it is possible to travel more easily by simultaneously driving the front wheel by the manual drive in parallel with the rear wheel drive by the electric force when going up the slope.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view of a bicycle according to the present invention.

As shown in FIG. 3, the bicycle A of the present invention includes a handle 2 for steering the bicycle, a frame 6 connected to the handle 2, and a passenger connected to the rear of the frame 6. It includes a footrest (4) that can be boarded.

The footrest 4, which the driver can ride, is equipped with a battery 42 for use when the bicycle is electrically driven. The battery 42 is a rear wheel drive for driving the rear wheel 43 of the bicycle A. The driving speed of the rear wheel drive motor 41 which supplies power to the motor 41 and is driven by the battery 42 is controlled by a variable resistance method.

4 is a detailed view showing a "rear wheel part" in the bicycle according to the present invention.

As shown in FIG. 4, the rear wheel drive motor 41 is connected to the sprocket 46 provided on the rear wheel drive shaft 45 where the rear wheel 43 is installed at each end through the chain 44.

Therefore, the rotational force of the rear wheel drive motor 41 is transmitted to the sprocket 46 through the chain 44, the rear wheel 43 is driven in conjunction with the sprocket 46 is rotated.

The rear wheel drive motor 41 is shiftable by pulling one handle 21 of the handle 2 that accelerates.

In addition, the rear wheel drive shaft 45 is provided with a brake 47 for braking a running bicycle.

The brake 47 is activated by pulling the other handle 22 of the handle 2 to brake the rear wheel drive shaft 45 to stop the bicycle, while the rear wheel drive motor 41 is removed from the battery 42. Shut off the power supply to the furnace.

5 is an enlarged perspective view of the 'front wheel part' in the bicycle according to the present invention.

As shown in FIG. 5, the front wheel part has a front wheel fork 33 connected to the front of the frame 6 and coupled with a front wheel 5 at the bottom thereof, and one end of the hinge shaft 32 at the front wheel fork 33. It is coupled by a support plate 31 which is located on the front wheel 5, the handle bar 3 is installed perpendicular to the upper surface, and hinged to the front end of the support plate 31 by a hinge shaft 34 Link 36 of a predetermined length, the lower end of the link 36 is eccentrically coupled to the front wheel drive sprocket 37 and the front wheel fork 33 coupled to the bracket 332 installed on the front wheel fork 33 by an axial pin; It consists of a driven sprocket 38 installed on the shaft of the front wheel (5) coupled to the chain, and a chain 39 for connecting the driven sprocket 38 and the front wheel drive sprocket 37.

The link 36 is a metal piece having a predetermined length, the upper end is hinged to the front end of the support plate 31 by a hinge shaft 34, and the lower end is hinged by an axis pin eccentrically with the front wheel drive sprocket 37 When the support plate 31 is lowered, it is interlocked to rotate the front wheel drive sprocket 37 while descending.

A torsion spring 35 is coupled to the hinge shaft 34 of the link 36, one end of the torsion spring 35 is fixed to the support plate 31, and the other end thereof is fixed to the link 36. .

Since the electric drive by the battery 42 mentioned above is weak in the force of the battery 42, when driving on a slope of 15 to 20 degrees, according to the present invention, a manual operation for pushing and pulling the handle 2 in the front and rear directions is performed. This can further increase the power and drive the bicycle.

In addition, manual driving by operating the handle 2 can also provide power to replace when the battery is completely discharged.

The driving by such a manual operation will be described later.

On the other hand, the present invention is further provided with a locking device (8) to allow or block the forward and backward movement of the handle (2) by the manual mode.

That is, the locking device 8 is provided to fix the movement of the handle 2, if desired, in order to prevent accidents that may occur when the handle 2 is inadvertently moved.

6 and 7 are cross-sectional views of the 'locking means' in the bicycle according to the invention.

6 and 7, the locking device 8 includes a case 81 installed on a support plate 31 coupled to a lower end of the handle bar 3 and connected to a support reinforcement table F, and the case ( 81, the first bolt (83) having a predetermined length coupled to the butterfly bolt 82, the one side is coupled to the hinge shaft 32, the first gear 832 is formed on the other side, and the case 81 It is inserted into the butterfly bolt 82 and is screwed to the first gear 832 and the second gear (844) is formed with a second fixture (84) formed at one end.

The butterfly bolt 82 is composed of a bolt portion 821 having a predetermined length, and a butterfly-shaped handle 822 formed on the upper end, the lower end is penetrated to the outside of the case 81 so as not to be separated 823 is formed.

The first fixing tool 83 has an arc-shaped curved portion 831 formed on one surface thereof, and a first gear 832 formed on the outer surface thereof.

The second fixture 84 is inserted into the case 81, the through-hole is formed so that the butterfly bolt 82 is fastened, an arc-shaped support 842 is formed on the front, the upper A second gear 844 meshing with the first gear 832 of the first fixture 83 is formed.

Therefore, as shown in FIG. 6, when the butterfly bolt 82 is tightened, the first fixture 83 is raised while the first gear 832 is in close contact with the second gear 844 of the second fixture 84. Therefore, the case 81, the support plate 31, and the second fixing tool 84 are integrated to fix the movement of the handle 2 and the handle bar 3 to become a locked state.

Conversely, as shown in FIG. 7, when the butterfly bolt 82 is released, the second fastener 84 is lowered and separated from the first fastener 83 so that the case 81, the support plate 31, and the handle bar 3 are separated. This free state allows the handle to move forward and backward.

On the other hand, the twisted portion (7) is formed in the coupling portion of the frame (6) and the scaffold (4) to allow the frame (6) to rotate left and right and at the same time to perform a torsional movement.

8 is an exploded perspective view of the 'twist part' in the bicycle according to the present invention, Figure 9 is a cross-sectional view of the 'twist part' in the bicycle according to the present invention.

As shown in FIGS. 8 and 9, the twist portion 7 is formed at an end of the frame 6 and has an shaft rod 62 having protrusion pins 63 formed at upper and lower portions thereof, and the footrest 4. And a bushing 64 formed at a hollow portion into which the shaft rod 62 is inserted, and having a cutting groove 642 into which the protrusion pin 63 is inserted at the upper and lower ends of the front end, and the shaft rod 62. It is coupled to the end of the bushing 64 and consists of a locking mechanism 66 to prevent separation.

Between the rear end of the bushing 64 and the engaging hole 66, a spring 65 providing elastic support force is coupled to the shaft rod 62, thereby preventing the shaft rod 62 from being separated and assisting the twisting motion by elasticity. You can do it.

The cutting groove 642 of the bushing 64 is formed to be inclined at both sides, and an extended inclined surface 645 is formed so that the front opening portion and the rear opening portion face each other so that the shaft rod 62 can be twisted.

The twist motion refers to a motion in which the frame is twisted while being rotated from side to side.

10 and 11 are perspective views showing an operation example of the 'twist part' in the bicycle according to the present invention, Figure 12 is a plan view showing an operation example of the 'twist part' in the bicycle according to the present invention, Figure 13 is in the present invention In the bicycle according to the front view showing an example of the operation of the 'twist part'.

As shown in FIGS. 10 to 13, the frame 6 is rotated to the left (or right) and twisted at the same time, so that the front wheel 5 can be inclined toward the curve, thereby making it possible to perform the curve running more stably. .

The frame 6 has a folding portion (R) is formed so that it can be rotated upward in the middle portion.

14 and 15 are side views showing an example of the operation of the 'folding portion' in the bicycle of the present invention.

When the handlebar 3 of the bicycle is vertically driven as shown in FIG. 14, and when riding on a subway or bus or stored in the house, the frame 6 is rotated clockwise as shown in FIG. 15 by the folding portion R. By being rotated, the handle bar 3 can be folded horizontally with the footrest 4, thereby reducing the volume, thereby facilitating movement and storage.

The folding portion (R) is further provided with a fixing lever to maintain the expanded or folded state firmly.

The fixing lever may be implemented in various forms, which are obvious to those skilled in the art, and thus the detailed description thereof will be omitted.

For example, the fixing lever is a knitting body having a certain length, one end of the handle and the other end is hinged to the frame to be rotatable and the convex protrusion is formed on the hinge coupling portion to rotate the fixing lever in one direction, so that the protrusion It will be in close contact with the fixed state, and rotated in the opposite direction will be a structure that is released.

Hereinafter, the operation relationship of the present invention will be described for each driving mode.

Manual mode

In the manual mode, the front wheel 5 is driven by moving the handle 2 forward and backward to generate a driving force together with the movement effect.

In order to switch to the manual mode, the locking state of the locking device 8 must be released.

That is, when the butterfly bolt 82 is loosened, the first and second fasteners 83 and 84 are separated to free the case 81, the support plate 31, and the handle bar 3, so that the handle 2 is moved forward and backward. This could be possible.

After unlocking, manual mode is executed.

16 to 19 are diagrams sequentially showing the operation of the "front wheel part" in the present invention.

When the occupant grabs the handle 2 and pushes it forward, the handle bar 3 is pushed forward, and the support plate 31 is rotated downward by tilting the hinge shaft 32 of the front wheel fork 33 as a turning point. In this way, the link 36 descends and the front wheel drive sprocket 37 eccentrically coupled to the link 36 rotates half a turn while the lower end of the link 36 reaches the bottom dead center.

Accordingly, the driven sprocket 38 connected to the front wheel drive sprocket 37 and the chain 39 is rotated half a turn, and driven by the front wheel 5 is rotated half a turn (see FIGS. 16 to 17).

At this time, the torsion spring 35 is in the open state, and when it reaches the bottom dead center, the state is opened at the maximum angle.

In addition, when the occupant pulls the handle 2 to the rear, the support plate 31 is rotated upward by using the hinge shaft 32 of the front wheel fork 33 as the rotation point, driven by the link 36 is raised , While the lower end of the link 36 reaches the top dead center, the front wheel drive sprocket 37 rotates a half turn further.

Accordingly, the driven sprocket 38 connected by the front wheel drive sprocket 37 and the chain 39 is rotated more than half a turn, and the front wheel 5 rotates one turn by being driven by the front wheel 5 more half a turn. 18 (see Fig. 18-19).

At this time, since the torsion spring 35 is retracted by the elastic restoring force from the moment passing through the bottom dead center, the torsion spring 35 assists the raising of the handle bar 3.

By repeatedly repeating the above-described operation, the front wheel 5 can be rotated, thereby enabling manual driving.

Electric mode

In the electric mode, the rear wheel drive motor 41 is driven by operating a switch on one handle 822 of the handle 2 and driven by a battery power supply, and driven by the rear wheel connected to the rear wheel drive shaft 45. The 43 is rotated to operate.

Manual Mode + Electric Mode

The present invention can also be driven in a passive mode in parallel with the electric mode.

In other words, while driving by the electric mode in the state in which the locking means 8 is released, the electric output is insufficient in a place such as a hill road, so the front wheel 5 can be driven by a manual method of pushing and pulling the handle. Will be.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

1 is a view showing the configuration of a conventional electric bicycle.

2 is a view showing another conventional electric bicycle.

3 is a perspective view of a bicycle according to the present invention.

6 and 7 are cross-sectional view of the 'locking means' in the bicycle according to the invention.

8 is an exploded perspective view of a 'twist part' in the bicycle according to the present invention.

Figure 9 is a combined cross-sectional view of the 'twist portion' in the bicycle according to the invention.

10 and 11 are perspective views showing an operation example of the 'twist portion' in the bicycle according to the present invention.

12 is a plan view showing an operation example of the 'twist portion' in the bicycle according to the present invention.

Figure 13 is a front view showing the operation example of the 'twist portion' in the bicycle according to the invention.

16 to 19 are views sequentially showing the operation of the "front wheel portion" in the present invention.

2: handle 3: handle rod

4: footrest 5: front wheel

6: frame 7: twisted portion

8: locking means 32: hinge shaft

33: front wheel fork 35: torsion spring

36: link 37: front wheel drive sprocket

38: driven sprocket 41: rear wheel drive motor

42: battery 43: rear wheel

44: chain 45: rear wheel drive shaft

46: sprocket 47: brake

62: shaft 63: protrusion pin

64: bushing 65: spring

66: latch

Claims

In a bicycle driven by pushing and pulling the handle,

A footrest 4 provided with a rear wheel drive motor 41 driven by a battery, a rear wheel 43 rotated by the rear wheel drive motor 41,

A frame 6 connected to the scaffold 4 so as to rotate in a left and right direction at an angle;

A front wheel fork 33 connected to the front of the frame 6 and having a front wheel 5 coupled thereto;

A support plate 31 coupled to the front wheel fork 33 by a hinge shaft 32 and positioned above the front wheel 5;

A handle 2 installed at an upper end of the handle bar 3 perpendicular to the upper surface of the support plate 31 to move back and forth by pushing or pulling;

A link 36 hinged to the front end of the support plate 31 by a hinge shaft 34,

The front wheel drive sprocket 37 is eccentrically coupled to the lower end of the link 36 and coupled to the bracket 332 installed on the front wheel fork 33 by an axial pin;

A driven sprocket 38 installed on the shaft of the front wheel 5 coupled to the front wheel fork 33;

Chain 39 connecting the driven sprocket 38 and the front wheel drive sprocket 37

Recreational bicycle, characterized in that made.

The method of claim 1,

The torsion spring 35 is coupled to the hinge shaft 34 of the link 36, one end of the torsion spring 35 is fixed to the support plate 31, and the other end thereof is fixed to the link 36. Recreational bicycle characterized by the above.

The method of claim 1,

The locking device 8 is further installed to release or fix the handle 2 to enable forward and backward movement,

The lock device (8), the case 81 is installed on the support plate 31 is coupled to the lower end of the handle bar (3) and connected to the support reinforcement (F), and the butterfly bolt penetrated through the case (81) ( 82) and a first fixing tool 83 having one side coupled to the hinge shaft 32 and a first gear 832 formed at the other side, and inserted into the case 81 to be screwed with the butterfly bolt 82. And a second gear 844 formed at one end thereof and engaged with the first gear 832, and including a second fixing tool 84 which is lifted and lifted by the operation of the butterfly bolt 82. .

The method of claim 1,

Leisure bike, characterized in that the twisted portion (7) is formed on the coupling portion of the frame (6) and the footrest (4) to allow the frame (6) to rotate left and right and at the same time to torsional movement.

The method of claim 4, wherein

The twist portion 7,

An axial rod 62 formed at an end of the frame 6 and having protrusion pins 63 formed at upper and lower sides thereof;

A bushing 64 installed in the scaffold 4 and having a hollow portion into which the shaft rod 62 is inserted, and having a cutting groove 642 into which the protrusion pin 63 is inserted at the upper and lower ends of the front end;

Is coupled to the end of the shaft rod 62, the locking mechanism 66 to prevent the bushing (64) and detachment

Recreational bicycle, characterized in that made.

The method of claim 5,

The cutting groove 642 of the bushing 64 has both side surfaces formed to be inclined, and an extended inclined surface 645 is formed such that the front opening portion and the rear opening portion face each other so that the shaft rod 62 can twist. Recreational bicycle.

The method of claim 5,

Recreational bicycle, characterized in that the spring 65 for providing an elastic support between the rear end of the bushing (64) and the engaging opening (66) is coupled to the shaft bar (62).

The method of claim 1,

The frame (6) is a leisure bike, characterized in that the folding portion (R) is formed so that it can be folded to rotate upwards in the middle.