JP2004276754A - Seat movement adjusting device of bicycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve problems with a bicycle with a cover body, wherein the adjustment of the posture of a rider against a handle and pedals cannot be sufficiently performed merely by seat movement adjustment by only the adjustment of the height of a saddle to drivingly pedaling a drive shaft installed at a position equal to or higher than the position of a saddle by lowering the position of the saddle to lower the height of a cover body covering the rider and a vehicle body. <P>SOLUTION: A horizontal guide part horizontal or rather tilted in the longitudinal direction is formed at the rear part 6 of the vehicle body frame 1 of the bicycle, and a seat 50 is installed along the horizontal guide part so as to be moved and adjusted in the longitudinal direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a seat movement adjusting device for a bicycle or the like.
[0002]
[Prior art]
Conventionally, a seat movement adjusting device for a bicycle or the like has been configured to adjust a seat movement in a height direction with respect to a handle or a pedal.
[0003]
[Problems to be solved by the invention]
However, like a bicycle with a cover body, in order to reduce the height of the cover body that covers the driver and the vehicle body, the position of the saddle is lowered, the drive shaft is provided at the same level or higher, and the pedals are For stepping, the driver's posture with respect to the steering wheel and pedal cannot be adjusted sufficiently by adjusting the seat movement only by adjusting the height of the saddle.
[0004]
[Means for Solving the Problems]
Therefore, according to the present invention, as described in claim 1, a horizontal guide portion having a horizontal or slight inclination in the front-rear direction is provided at a rear portion of a vehicle body frame such as a turning wheel, and a seat seat is provided along the horizontal guide portion. The present invention provides a seat movement adjustment device for a bicycle or the like, which is provided with a movement adjustment mechanism provided so as to be movable in the front-rear direction.
According to the present invention, the seat can be moved and adjusted in the front-rear direction along a horizontal guide portion that is horizontal or slightly inclined. Therefore, like a bicycle with a cover body, the height of the cover body that covers the driver and the vehicle body can be increased. In order to reduce the height, the driver's posture can be sufficiently adjusted with respect to the steering wheel and pedal even when the position of the saddle is lowered.
[0005]
Further, according to the present invention, as described in claim 2, in the seat movement adjustment device for a bicycle or the like according to claim 1, the movement adjustment mechanism is configured such that the guide frame portion integrally provided on the seat seat mounting base is horizontal. The present invention provides a seat movement adjusting device for a bicycle or the like that is configured to slidably move across a guide portion.
According to the present invention, the driver's load applied from above the seat is supported by the guide frame part integrally provided on the seat seat mounting base so as to straddle the horizontal guide part, and moves smoothly and slidably. It can be shown.
[0006]
According to a third aspect of the present invention, in the seat movement adjusting device for a bicycle or the like according to the first or second aspect, the horizontal guide portion of the movement adjusting mechanism includes a hollow guide frame member, and a guide. Provided is a seat movement adjusting device for a bicycle or the like, which includes a guide bar that is fitted to a frame member and moves the seat seat integrally in the front-rear direction, and a seat fixing mechanism that can fix or release the guide bar.
According to the present invention, the guide bar is fitted to the hollow guide frame member and the seat can be moved reliably in the front-rear direction, and movement adjustment is facilitated by fixing or releasing the guide bar. it can.
[0007]
According to a fourth aspect of the present invention, in the seat movement adjusting device for a bicycle or the like according to the first, second, or third aspect, the movement adjusting mechanism is integrated with the seat sheet in the pipe-shaped guide frame member. A seat movement adjusting device for a bicycle or the like in which a seat fixing mechanism is provided that includes a fastening tool that slidably fits a guide bar and grips and firmly tightens the guide bar from the outside at the tip of the guide frame member It is to provide.
According to the present invention, the guide bar fitted into the pipe-shaped guide frame member is reliably slidably guided, and the seat is reliably secured by the seat fixing mechanism including the fastening tool that grips and firmly tightens the guide bar from the outside. The seat can be adjusted.
[0008]
Further, according to the present invention, as described in claim 5, in the seat movement adjusting device for a bicycle or the like according to any one of claims 1 to 4, the seat seat is located at a position equal to or lower than the drive shaft of the foot drive mechanism. The present invention provides a seat movement adjusting device for a bicycle or the like.
According to the present invention, the seat seat provided at a position equivalent to or lower than the drive shaft of the foot drive mechanism can be appropriately adjusted to the pedal or the like provided on the drive shaft.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the illustrated examples.
In the figure, reference numeral 1 denotes a vehicle body frame, the tip of a front inclined portion 2 is integrally fixed to a bearing member 4 of a front wheel steering shaft 3, and a rear wheel support frame as a rear horizontal portion 6 from the middle curved portion 5 to the rear. 7 is integrally fixed.
A yoke-like front wheel support frame 8 is integrally connected to the front wheel steering shaft 3 below the bearing member 4, and the axle of the front wheel 10 is rotatably supported by a hub 9 provided at the lower end portion of the front wheel support frame 8. ing.
[0010]
The rear wheel support frame 7 is provided with two sets of left and right rear wheel mounting frames 11 in the horizontal direction in the horizontal direction, and the axles of the two rear wheels 13 are rotatably supported by the hub 12 at the tip thereof. doing.
The rear horizontal portion 6 of the body frame 1 and the rear wheel support frame 7 are preferably connected via an appropriate elastic deformation member so that the load can be elastically received. It is preferable that the connecting portion between the rear wheel mounting frame 11 and the rear wheel mounting frame 11 is also connected via an appropriate elastic deformation member such as a shock absorber.
[0011]
A bearing member 16 of the handle shaft 15 is fixed to the bearing member 4 of the front wheel steering shaft 3 so as to be separated upward and rearward along the vehicle body frame 1 by a connection support member 14. Reference numeral 17 denotes a connection reinforcing member between the bearing member 16 and the connection support member 14. An intermediate portion of the connection support member 14 is firmly supported by a column member 18 raised on the front inclined portion 2 of the vehicle body frame 1.
A handle 19 is integrally fixed to the upper end portion of the handle shaft 15, and the lower end portion of the handle shaft 15 is connected below the bearing member 16 so that the handle shaft 15 and the front wheel steering shaft 3 are interlocked. A drive coupling portion of the mechanism 20 is provided. On the other hand, a driven connecting portion of the interlock mechanism 20 is provided at the upper end portion of the front wheel steering shaft 3.
[0012]
In the case of the illustrated embodiment, the interlocking mechanism 20 has a link member 21 which is a driving connection portion provided at the lower end portion of the handle shaft 15 and a link member 22 provided at the upper end portion of the front wheel steering shaft 3 in opposite directions. The front wheel steering shaft and the handle shaft are connected to each other by connecting the link members 21 and 22 in parallel with each other and the link shaft 23 in parallel with each other. A parallel link interlocking mechanism that interlocks at the same rotation angle can be provided.
[0013]
As another embodiment of the interlocking mechanism, a driving pulley or sprocket is provided as a driving connection portion provided at the lower end portion of the handle shaft 15, and a driven pulley or sprocket is provided as a driven connection portion provided at the upper end portion of the front wheel steering shaft 3. The interlocking mechanism can be configured by connecting the two with a timing belt or a chain. In addition, an interlocking mechanism such as a gear train mechanism can be used.
[0014]
In these interlocking mechanisms, if the link member 21 and the pulley or sprocket of the driving connection portion are made larger or smaller than the link member 22 and the pulley or sprocket of the driven connection portion, the front wheel steering is made correspondingly to the rotation angle of the handle shaft 15. The rotation angle of the shaft 3 can be set to rotate large or small, and if the same size is set, a parallel interlocking mechanism in which both are interlocked at the same rotation angle is obtained. That is, it is possible to adjust the cut and weight of the handle by setting the size of the driving connecting portion and the driven connecting portion of the interlocking mechanism.
It should be noted that the handle shaft 15 and its bearing member 16 and the front wheel steering shaft 3 and its bearing member 4 are, as described in the embodiment shown in the figure, a structure of a smooth interlocking mechanism 20, a balance of the vehicle body, and an appropriate driving feeling. Therefore, it is preferable that they are parallel.
[0015]
In the embodiment of the present invention, a foot drive shaft 25 by a pedal 24 is provided on the front inclined portion 2 of the vehicle body frame 1 in front of the handle shaft 15. A first transmission chain 28 is wound along the vehicle body frame 1 between a relay sprocket 27 provided in the vicinity of the intermediate bending portion 5, and a relay sprocket 29 coaxial with the relay sprocket 27 and a rear horizontal portion of the vehicle body frame 1. 6, a second transmission chain 31 is wound substantially horizontally between the rear sprocket 30 provided on the rear wheel support frame 7 and provided on the rear sprocket 31, the rear sprocket 32 coaxial with the rear sprocket 31, and the axle 13 of the rear wheel 13. The third transmission chain 34 is wound substantially horizontally between the rear wheel sprocket 33 and the pedal drive shaft 25 is driven by the pedal 24. Drives the rear wheels 13 Te, and are configured to be able to travel.
[0016]
The rear wheel axle 12 may be provided with a transmission drive motor 35 so that the rear wheel axle 12 can be driven by a storage battery 36 mounted on the rear wheel support frame 7. It is also possible to provide a power generation motor 37 on the rear axle 12 so that the power generated during traveling on a downhill or the like can be supplied to and stored in the storage battery 36.
The chain drive portion is provided with a drive portion cover body 39 by a mounting member 38 along the curvature of the vehicle body frame 1. The drive unit cover body 39 provided on the foot drive shaft 25 using the space below the handle shaft 15 can be provided with headlamps, direction indicators, and switches for drive control. . Reference numeral 46 denotes a luggage case installed on the rear support frame 7.
[0017]
In the case of the illustrated embodiment, the intermediate portion of the connection support member 14 is firmly supported by the column member 18 raised on the bearing portion of the foot drive shaft 25 of the front inclined portion 2 of the vehicle body frame 1. Yes.
A disc brake 40 is provided on the axle 12 of the rear wheel 13 and can be operated through a brake wire 42 by a rear wheel brake lever 41 of the handle 19. Similarly, the front wheel brake 43 is configured to be operated through the brake wire 45 by the front wheel brake lever 44 of the handle 19. In addition, 47 is a front wheel mudguard and 48 is a rear wheel mudguard.
[0018]
Here, according to the present invention, the seat seat 50 integrally including the backrest 51 can be adjusted in position in the front-rear direction through the movement adjustment mechanism of the mounting base 52 to the pipe-like rear horizontal portion 6 of the body frame 1. Is provided.
In the case of the embodiment shown in FIGS. 7 to 9, the movement adjustment mechanism of the seat seat 50 is slidably moved so that the guide frame portion 53 at the lower end portion of the mounting base 52 straddles the rear horizontal portion 6. The intermediate portion of the mounting base 52 is integrally fixed to the distal end portion 54 of the guide bar 55.
The guide bar 55 is slidably fitted to a hollow guide frame member 49 projecting in parallel on the rear horizontal portion 6 of the vehicle body frame 1 integrally with the rear wheel support frame 7. The mounting base 52 is guided by the guide bar 55 and the rear horizontal portion 6 so as to move smoothly.
[0019]
At the tip of the guide frame member 49, there is provided a tightening tool 56 for gripping and firmly tightening the guide bar 55 from the outside. The guide bar 55 can be easily tightened and released by the tightening lever 57, and FIG. As shown in FIG. 8, the seat seat 50 can be appropriately adjusted in position. Reference numeral 58 denotes a fastening shaft of the fastening lever 57, and 59 denotes a connecting frame that integrally connects the guide frame member 49 and the rear horizontal portion 6. The fastening tool 56 constitutes the seat fixing mechanism of the present invention.
[0020]
Further, according to the embodiment of the present invention, the bearing member 4 of the front wheel steering shaft 3 is provided with the support bar member 60 symmetrically in the horizontal direction in the horizontal direction, and the support bar member 60 is disposed via the mounting portion 61 whose position can be adjusted. The headlamps 62 are arranged at intervals comparable to the width of the handle 19 so that the front of the front wheels can be illuminated in a wide range.
Further, a mounting bracket 63 whose position can be adjusted is provided at the front end portion of the support bar member 60, and as shown in FIGS. 5 to 6, the front portion 64 of the cover body 65 is mounted so that the position can be adjusted. The headlamp 62 is configured to match the headlamp section 77 of the cover body 65.
The rear portion 66 of the cover body 65 is detachably attached to the rear wheel support frame 7.
[0021]
The cover body 65 is integrally formed with a ceiling portion 70 in which a front portion 64 and a rear portion 66 are provided behind the center of the cover body 65 via front connection frames 67 and 68 and rear connection frame portions 69 and 71. A detachable door 78 having a front window comprising a front window part 72 and a front window part 73, a rear window comprising a rear window part 74 and a rear window part 75, and a side window part 76. It is configured so that a wide field of view can be obtained in the front and rear and side surfaces.
Further, a wiper 79 can be provided on the front window 72 to prepare for rainy weather. Further, the front connecting frame portions 67 and 68 and the rear connecting frame portions 69 and 71 are provided with elastic holding portions made of flexible rubber or synthetic resin for attaching and detaching the window portion so that the window portion can be easily attached and detached. It is configured.
Therefore, the bicycle according to the present invention can be used without attaching the cover body 65. In addition, the bicycle can be used not only with the door 78 attached and detached but also with the window attached and detached. It is.
[0022]
【The invention's effect】
As described above, according to the seat movement adjusting device for a bicycle or the like according to the present invention, as described in claim 1, a horizontal guide portion having a horizontal or slight inclination in a front-rear direction at a rear portion of a vehicle body frame such as a turning vehicle. And a configuration in which a movement adjustment mechanism is provided along the horizontal guide portion so that the seat seat can be moved in the front-rear direction, so that the seat seat is horizontal or slightly inclined along the horizontal guide portion. Because it can be moved and adjusted in the front-rear direction, the height of the cover body that covers the driver and the vehicle body is lowered like a bicycle with a cover body. There is an effect that the posture adjustment can be sufficiently performed.
[0023]
Further, according to the present invention, as described in claim 2, in the seat movement adjustment device for a bicycle or the like according to claim 1, the movement adjustment mechanism is configured such that the guide frame portion integrally provided on the seat seat mounting base is horizontal. By having a structure that is slidably moved so as to straddle the guide portion, the guide frame portion that is integrally provided on the seat seat mounting base with the load of the driver applied from the seat seat is horizontal. There is an effect that it can be supported so as to straddle the guide portion and can be moved smoothly and slidably.
[0024]
According to a third aspect of the present invention, in the seat movement adjusting device for a bicycle or the like according to the first or second aspect, the horizontal guide portion of the movement adjusting mechanism includes a hollow guide frame member, and a guide. A guide bar that fits into the frame member and moves together with the seat seat in the front-rear direction and a seat fixing mechanism that allows the guide bar to be fixed or released can be guided to the hollow guide frame member. The bar can be fitted and the seat can be moved reliably in the front-rear direction, and the movement can be easily adjusted by fixing or releasing the guide bar.
[0025]
According to a fourth aspect of the present invention, in the seat movement adjusting device for a bicycle or the like according to the first, second, or third aspect, the movement adjusting mechanism is integrated with the seat sheet in the pipe-shaped guide frame member. A slidably fitted guide bar, and a seat fixing mechanism consisting of a fastening tool that clamps the guide bar from the outside and tightens it firmly at the tip of the guide frame member. The seat bar can be reliably slidably guided, and the seat seat can be reliably adjusted in position by a seat fixing mechanism comprising a fastening tool that firmly clamps the guide bar from the outside. effective.
[0026]
Further, according to the present invention, as described in claim 5, in the seat movement adjusting device for a bicycle or the like according to any one of claims 1 to 4, the seat seat is located at a position equal to or lower than the drive shaft of the foot drive mechanism. By having the configuration provided in the above, there is an effect that the seat seat provided at a position equivalent to or lower than the drive shaft of the foot drive mechanism can be appropriately adjusted to a pedal or the like provided on the drive shaft.
[Brief description of the drawings]
FIG. 1 is a schematic side view of an embodiment of a bicycle according to the present invention.
FIG. 2 is a schematic front view of the embodiment.
FIG. 3 is a schematic plan view of the embodiment.
FIG. 4 is a schematic side view of another embodiment.
FIG. 5 is a schematic front view of the embodiment.
FIG. 6 is a schematic plan view of the embodiment.
FIG. 7 is a schematic side view showing one usage of the main part of the embodiment.
FIG. 8 is a schematic side view showing another usage of the main part.
FIG. 9 is a schematic front view of the main part.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Body frame 2 Front inclination part 3 Front wheel steering shaft 4 Bearing member 5 Intermediate curve part 6 Rear horizontal part 7 Rear wheel support frame 8 Front wheel support frame 9 Hub 10 Front wheel 11 Rear wheel mounting frame 12 Hub 13 Rear wheel 14 Connection support member 15 Handle shaft 16 Bearing member 17 Connection reinforcing member 18 Strut member 19 Handle 20 Link mechanism 21, 22 Link member 23 Link shaft 24 Pedal 25 Foot drive shaft 26 Drive sprocket 27 Relay sprocket 28 First transmission chain 29 Relay sprocket 30 Rear Sprocket 31 Second transmission chain 32 Rear sprocket 33 Rear wheel sprocket 34 Third transmission chain 35 Transmission drive motor 36 Storage battery 37 Storage motor 38 Mounting member 39 Drive section cover body 40 Disc brake 41 Rear wheel brake lever 42 Brake wire 43 Front wheel brake 4 Front wheel brake lever 45 Brake wire 46 Luggage case 47 Front wheel mudguard 48 Rear wheel mudguard 49 Guide frame member 50 Seat seat 51 Backrest 52 Mounting base 53 Guide frame section 54 Tip section 55 Guide bar 56 Tightening tool 57 Tightening lever 58 Tightening shaft 59 Connection Frame 60 Support bar member 61 Mounting part 62 Headlamp 63 Mounting bracket 64 Front part 65 Cover body 66 Rear part 67, 68 Front connection frame 69, 71 Rear connection frame 70 Ceiling part 72 Front window part 73 Front window part 74 Rear window Part 75 rear window part 76 side window part 77 headlamp part 78 door 79 wiper

Claims (5)

Provided at the rear part of a body frame of a bicycle or the like is a horizontal guide part that is horizontal or slightly inclined in the front-rear direction, and a movement adjustment mechanism is provided along the horizontal guide part so that the seat can be moved and adjusted in the front-rear direction. Seat movement adjustment device for bicycles. 2. The seat movement adjustment device for a bicycle or the like according to claim 1, wherein the movement adjustment mechanism is configured such that the guide frame portion integrally provided on the seat seat mounting base moves slidably in a manner straddling the horizontal guide portion. A seat movement adjustment device for a bicycle or the like. The seat movement adjusting device for a bicycle or the like according to claim 1 or 2, wherein the horizontal guide portion of the movement adjusting mechanism is fitted into the hollow guide frame member and the guide frame member so that the seat seat is integrated in the front-rear direction. A seat movement adjusting device for a bicycle or the like, comprising a moving guide bar and a seat fixing mechanism that can fix or release the guide bar. The seat movement adjusting device for a bicycle or the like according to claim 1, 2, or 3, wherein the movement adjusting mechanism slidably fits a guide bar integrated with the seat seat into the pipe-shaped guide frame member, and the guide frame member A seat movement adjusting device for a bicycle or the like, in which a seat fixing mechanism including a fastening tool that grips and firmly tightens the guide bar from the outside is provided at the distal end portion of the bicycle. The seat movement adjusting device for a bicycle or the like according to any one of claims 1 to 4, wherein the seat seat is provided at a position equivalent to or lower than a drive shaft of a foot drive mechanism.

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