JP3077156U - Bicycle power input device - Google Patents

Abstract

(57) [Problem] To provide a bicycle power input device that can easily drive and run a bicycle by simply stepping up and down and can be assembled by itself. SOLUTION: A seesaw-structured trolley unit to be mounted at an appropriate position on two chain stays, two pairs of pedal trolley units respectively fixed at appropriate positions of both chain stays, and respectively connected to both ends of a crankshaft of a gear plate. When the pedal stick unit moves up and down due to the seesaw-like operation of the kong stick unit, the crank rotates in one direction to transmit power. If the bicycle can be easily driven, and a detachable mounting method such as screwing can be used, the passenger can assemble with his own hands.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a bicycle power input device, and more particularly, to a bicycle power input device capable of driving a bicycle with a simple operation of depressing a pedal up and down.

[0002]

[Prior art]

 In the conventional bicycle power input device as shown in FIG. 1, a pedal is pivotally mounted at one end, and the other end is connected to a crankshaft of a gear plate 41, so that an integrated and interlocked pedal set 42 is formed. It is that. The transmission structure is the driving force for driving the bicycle.

[0003]

[Issues solved by the invention]

 However, although the conventional bicycle power input device as described above achieves the purpose of driving the bicycle, due to its structure, the occupant bends the ankle, knee, etc. when depressing the pedal. If you apply improper treading force, you may damage your ankles and knees.

Therefore, the present invention has been made in view of the above situation, and has a structure including a seesaw-structured operating unit, a pedal unit that moves up and down, and a crank that transmits power by rotating in only one direction. An object of the present invention is to provide a bicycle power input device that can easily drive and drive a bicycle by simply stepping in a vertical direction, so that a load is not applied to an ankle or a knee.

Another object of the present invention is to provide a bicycle power input device that can be attached as a conventional bicycle power device and that allows the user to enjoy the assembling work by himself.

[0006]

[Means to solve the problem]

 In order to solve the above-mentioned problem, a bicycle power input device according to the present invention according to claim 1 has a U-shaped push rod pivot seat seated on a chain stay, a moderate length, and a central portion. And a kong stick unit having a seesaw structure consisting of: a kong stick that is pivotally mounted on a kong rod pivot seat and both ends respectively supporting a pedal stick; and a U-shaped pedal rod pivot seat that is soldered onto a chain stay. , A pedal rod with one end connected to the pedal pivot seat and a pedal rod with a long hole at the other end, and a pedal attached to the end of the pedal rod, and a pedal rod unit with an appropriate length. One end of which is fixed to a one-way ratchet that rotates only in one direction to transmit power and is tightly connected to the rotation shaft of the gear plate, the other end extends outward, and the pedal rod Two cranks formed with a driven rod that is loosely inserted into the long hole, Characterized in that it is al configuration.

The bicycle power input device according to the present invention according to claim 2 is provided at an appropriate position on the vehicle body frame between the front wheel and the gear plate, and has a kong rod unit having a curved kong rod in which both ends of the kong are appropriately curved. And two long cranks, each of which has the two cranks appropriately lengthened and is mounted on a curved portion at both ends of a curved operating rod, and ends of which are pivotally provided with the pedals, respectively. I do. Further, in the bicycle power input device according to the present invention according to claim 3, the Kong pivoting seat of the Kong unit may be detachably attached to the chain stay by screwing. Further, in the bicycle power input device of the present invention according to claim 4, the pedal rod pivot seat of the pedal rod unit may be detachably attached to the chain stay by screwing.

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 2 is an external view showing an embodiment of the present invention, FIG. 3 is an explanatory view of an exploded structure of the present invention, FIG. 4 is an explanatory view of a three-dimensional structure of the present invention, and FIG. The position embodiment of the present invention mainly includes a seesaw-shaped operation stick unit 1 which is attached to an appropriate position of the chain stay 43, two sets of pedal stick units 2 respectively provided at an appropriate position of the chain stay 43, and a gear. It has two sets of cranks 3 installed at both ends of a crankshaft of a plate 41, respectively, and rotates the gear plate 41 to drive the bicycle.

The Kong unit 1 has a U-shaped seat body, and is connected with a Kong pivot joint 11 fixed to the chain stay 43 by soldering, and a central portion is pivotally connected to the Kong pivot joint 11. Both ends are composed of the operating rods 12 supporting the pedal rods 22, respectively.

The pedal rod unit 2 has a U-shape, and has a pedal rod pivot seat 21 fixed to the chain stay 43 by soldering, and a rod shape, and one end has a pedal rod pivot seat 2. 1 and a pedal rod 22 having an elongated hole 221 at the other end, and a pedal 23 mounted at the opposite end where the pedal rod is connected to the pedal rod pivot seat 21.

The crank 3 has a plate body having an appropriate length. A one-way hook 31 that rotates only in one direction is fixed to one end of the crank 3. Together, they work together. At the other end of the crank 3, there is provided a driven rod 32 that extends horizontally outward and is loosely inserted into the long hole 221 of the pedal rod 22.

FIG. 6 and FIG. 7 are explanatory views of operating states of the operation unit 1, the pedal unit 2, and the crank 3 in the embodiment of the present invention. When the rider on the bicycle depresses the pedal 23 with one foot, the driven rod 32 of the crank 3 is pressed into the long hole 221 of the pedal rod 22, and further, is transmitted only in one direction of the one-way ratchet 31. Due to the feature that the crank 3 cannot be moved, the crank 3 is slid downward, and the gear plate 41 is rotated in conjunction therewith, whereby the bicycle is driven.

When the pedal rod 22 moves downward, the contacting one end of the operating rod 12 is pressed down by the momentum. At this time, the other end of the operating rod 12 moves upward by an action like a seesaw. Further, the other one of the pedal rods 22 is pushed upward because of the characteristic that the one-way ratchet 31 rotates only in one direction and transmits power. In this manner, both pedal rods 22 continue to alternately rise and fall alternately, so that the simple upward and downward stepping motion of the occupant of the bicycle is replaced by circumferential motion on the gear plate 41, and the bicycle is smoothly driven. Can be done. In this way, a device for reliably driving the bicycle and inputting power is formed by simple up and down steps.

FIG. 8 is an overall side view and a partially enlarged view of another embodiment according to the present invention. In the present embodiment, the joystick unit 1 is moved forward, and is mounted at an appropriate position on the body frame between the gear plate 41 and the front wheels. Further, the operating rod 12 is replaced with a curved operating rod 12 ′ whose both ends form a moderately curved shape, and a long crank 3 ′ having two cranks 3 appropriately extended is used. , Respectively. The distal end of the long crank 3 'pivots a plate-like pedal 31'.

Further, in the present invention, the kong rod pivot seat 11 and the pedal rod pivot seat 21 are respectively soldered to the chain stay 43 and connected to be integrated, but can be removed by screwing or the like. It can be designed so that the person who uses the bicycle can attach it to the conventional bicycle with his own hands.

[0015]

[Effect of the invention]

 As described above, according to the structure realized by the present invention, the following effects can be obtained. First, the trolley unit 1 of the present invention operates like a seesaw, the pedal ladder unit 2 moves up and down when depressed, and the crank 3 rotates in one direction to transmit power. Passengers can easily ride a bicycle simply by stepping on the top and bottom, so that they do not strain their knees and ankles, and have the same exercise effect as a mountain bike . Furthermore, since the present invention can be mounted as a conventional bicycle power input device, it is possible to provide not only the enjoyment of riding a bicycle but also the enjoyment of assembling with one's own hands.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a three-dimensional structure of a conventional bicycle power input device.

FIG. 2 is an overall external view showing an embodiment of the bicycle power input device according to the present invention.

FIG. 3 is an exploded view of the bicycle input device according to the present invention;

FIG. 4 is a diagram illustrating a three-dimensional structure of the bicycle input device according to the present invention;

FIG. 5 is a partially exploded view of the bicycle input device according to the present invention.

FIG. 6 is an explanatory view showing an operating state of a stick unit and a pedal unit of the bicycle input device according to the present invention.

FIG. 7 is a perspective view of the operation unit of the bicycle input device according to the present invention;
It is explanatory drawing which shows a pedal unit and a crank operating state.

FIG. 8 is an overall external view showing another embodiment of the bicycle input device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Kong unit 11 Kong pivot seat 12 Kong rod 12 'Curved handle 2 Pedal stick unit 21 Pedal stick pivot seat 22 Pedal stick 221 Slot 23 Pedal 3 Crank 31 One-way ratchet wheel 32 Follower stick 3' Long crank 31 'Pedal 41 Gear plate 42 Pedal unit 43 Chain stay

Claims (4)

[Utility model registration claims] 1. A kong-shaped kong rod pivot seat, and a kong rod having an appropriate length and having a central portion pivotally mounted on the kong rod pivot seat and both ends supporting a pedal rod, respectively. A set of seesaw-shaped operation stick unit fixed to the chain stay by soldering, a U-shaped pedal rod pivot seat, one end is connected to the pedal pivot seat, and the other end is connected to the pedal pivot seat. A pedal rod having a long hole, and a pedal attached to an end of the pedal rod, two sets of pedal rod units fixed on both chain stays by soldering, respectively, It has a plate-like shape with a length, and one end is fixed to a one-way ratchet that rotates and transmits in only one direction and is tightly coupled to the rotation shaft of the gear plate, and the other end extends outward, And two cranks formed with a driven rod loosely inserted into the long hole of the pedal rod. Bicycle power input device. 2. A K-shaped operating rod pivot seat and a curved operating rod having an appropriate length and having a central portion pivotally mounted on the operating rod pivot seat and having both ends appropriately curved. A pair of seesaw-type operation stick units fixedly mounted on the vehicle body frame between the front wheels and the gear plate, and a gear plate fixedly mounted on a one-way ratchet wheel whose one end rotates only in one direction to transmit power Two substantially longer long cranks, which are tightly coupled to the rotating shaft of the above, and whose other ends are respectively mounted on the curved portions at both ends of the curved operating rod and pedals are respectively pivoted at the ends. Bicycle power input device characterized by the above-mentioned. 3. The Kong pivot seat of the Kong unit,
The bicycle power input device according to claim 1, wherein the bicycle power input device may be detachably attached to the chain stay by screwing. 4. The pedal rod pivot seat of the pedal rod unit is attached to the chain stay by screwing,
The bicycle power input device according to claim 1, wherein the bicycle power input device is detachable.