JPWO2010041291A1 - Bicycle and motorcycle - Google Patents

Abstract

[PROBLEMS] To provide a bicycle in which handling of the entire bicycle is easy, a sufficient space for loading can be secured, and a good running balance can be secured by lowering the position of the center of gravity. In a bicycle 210, a front wheel 2 is rotatably supported at a lower end of a front fork 23, a crankshaft 17 is rotatably supported at a lower end portion of a seat post 16, and a crank 12 is fixed to the crankshaft 17. The large gear 4 is fixed to the crankshaft 17. Further, the bent lower pipe 9 is provided with the rear end fixed to the lower end portion of the seat post 16 and the front end fixed to the lower portion of the head pipe 8. The small gear 5 is fixed to the driving wheel 1, the chain 6 is stretched over the small gear 5 and the large gear 4, and the wheel 3 is connected to the connecting portion 22 provided near the rear end of the lower pipe 9. , 3... Are connected to the front end of the collection / delivery box 25. That is, the drive wheel 1 is configured to be positioned at a substantially intermediate portion between the front wheel 2 and the crankshaft 17. [Selection] Figure 1

Description

  The present invention is easy to handle because the overall length of the entire bicycle can be set short, and the vehicle to be connected can secure a sufficient load space or a passenger's riding space, and also has a low center of gravity position and good running The present invention relates to a bicycle and a motorcycle that can ensure a balance.

Conventionally, loading and the like in bicycles and motorcycles are performed as follows.
In the case of general bicycles for home use and sports use, the loading place is in front of the handle, on the upper pipe, on both sides of the rear wheel, a small luggage table on the rear wheel, etc. , Mainly attached to the parcel table and upper pipe.
In addition, when a bicycle is used for business purposes, the cargo handling work is often performed by attaching a cart to the front wheel, behind the rear wheel, or the side of the bicycle.
On the other hand, in the case of a motorcycle, in general, including a sports car, a loading platform on a rear wheel, a basket attached to a handle, and the like are loading places. In rare cases, an accessory case or the like is provided on the side of the rear wheel.

As this type of prior document, for example, there is Patent Document 1, which is a small package that can easily connect and disconnect a bicycle and a cart, and can travel stably, smoothly and safely when the cart is towed. The bicycle towing cart suitable for collection and delivery is provided.
JP 2008-12956 A

The following can be considered as problems in loading a conventional bicycle.
(1) Since the load position of the load is high and the center of gravity is high, the balance during running is lost and it is easy to cause an accident. Therefore, volume and weight are limited, and many cannot be stacked.
(2) Passenger seats attached to bicycles, for example, are used for pick-up of kindergarten children, but even if they are kindergarten children, their weight is heavy when riding bicycles, and the position of the passenger seat is high, so they are always exposed to the risk of falling. There is a risk of personal injury.

The following can be considered as problems in loading conventional motorcycles.
(1) A motorcycle is a machine that transports people to their destinations quickly, but because of its high speed, the load often causes the steering to go wrong, so it is not suitable for loading luggage. In particular, the loading place is mainly a loading platform on the rear wheel, and the position of the loading platform is high and the balance is easily lost. Therefore, volume and weight are limited, and many cannot be stacked.
(2) Even when the vehicle is not running, if there is a load on the loading platform on the rear wheel, when the motorcycle is moved manually, the handling of the motorcycle requires a great deal of force and there is a risk of falling.

  In view of the above situation, the present invention is easy to handle because the overall length of the entire bicycle can be set short, and it is possible to secure a sufficient load space or a passenger's riding space with the connected vehicle, and to set the center of gravity position. An object of the present invention is to provide a bicycle and a motorcycle that can be lowered to ensure a good running balance.

In order to solve the above problems, the present invention provides the following configurations.
According to the first aspect of the present invention, the handle, the handle post to which the handle is fixed to the upper end, the front fork having the upper end fixed to the lower end of the handle post, and the lower end of the front fork are rotatably supported. A front wheel, a head pipe for rotatably holding the handle post, a saddle, a seat post to which the saddle is fixed to an upper end, and a crankshaft rotatably supported on a lower end portion of the seat post A crank that is fixed to the crankshaft, a pedal that is rotatably supported at the tip of the crank, a large gear that is fixed to the crankshaft and is rotatable together with the crankshaft, and a rear end that is an upper portion of the seat post An upper pipe whose front end is fixed to the upper portion of the head pipe, a rear end is fixed to the lower end portion of the seat post, and a front end is fixed to the lower portion of the head pipe. A lower pipe, a driving wheel rotatably supported at a substantially central portion of the lower pipe, a small gear fixed to the driving wheel and rotating together with the driving wheel, and the small gear and the large gear. A chain, a connecting portion provided in the vicinity of a rear end of the lower pipe, and a vehicle having a front end connected to the connecting portion, wherein the driving wheel is a substantially intermediate portion between the front wheel and the crankshaft. The bicycle is characterized in that it is configured to be located in the area.

  The invention according to claim 2 provides the bicycle, wherein the vehicle is a collection / delivery box with wheels for storing collection / delivery items.

  The invention according to claim 3 provides the bicycle according to claim 1, wherein the vehicle is a wheeled infant carrier vehicle on which an infant can sit.

  The invention according to claim 4 provides the bicycle according to claim 1, wherein the vehicle is a shopping box with wheels for storing shopping.

  The invention according to claim 5 provides the bicycle according to claim 1, wherein the vehicle is a handcart.

  The invention according to claim 6 provides the bicycle according to claim 1, wherein the vehicle is a support wheel in which a rear end of an arm rotatably supports a wheel.

  According to a seventh aspect of the present invention, in the bicycle according to the first aspect, the vehicle is a training unit that rotatably supports a training roller including a roller whose rear end of the arm has a predetermined weight. It is to provide.

  The invention according to claim 8 is a handle, a handle post to which the handle is fixed to an upper end, a telescopic suspension provided at a lower end of the handle post, a front fork fixed to the lower end of the suspension, A front wheel rotatably supported at the lower end of the front fork, a seating seat, an upright frame to which the seating seat is fixed to the upper end, a rear end is fixed to the upper end portion of the upright frame, and a front end is the suspension A backbone frame fixed to the upper portion, a rear end fixed to the lower end portion of the upright frame, a front end fixed to the lower portion of the suspension, and a rear frame portion of the under frame to be rotatably supported. A drive wheel, a slave gear fixed to the drive wheel and rotating together with the drive wheel, and the front wheel and the drive wheel; An engine provided in the upper part, a main gear that rotates together with the rotation shaft of the engine, a fuel tank that is provided near the lower end of the seating seat and supplies fuel to the engine, the slave gear, and the main gear A chain to be passed and a vehicle having a front end fixed to the lower end portion of the upright frame, and the drive wheel is configured to be positioned at a substantially middle portion between the front wheel and the lower end portion of the upright frame. To provide motorcycles.

  According to the first aspect of the present invention, since the entire length of the entire bicycle can be set short, handling is easy, a space for loading or a passenger's riding space can be secured sufficiently, and the position of the center of gravity is low and good. A bicycle capable of ensuring a running balance can be provided.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, it is possible to connect the collection / delivery box with wheels and transport the collection / delivery object.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1, a wheeled infant carrier vehicle on which an infant can be seated can be safely conveyed.

  According to invention of Claim 4, in addition to the effect of invention of Claim 1, the shopping box with a wheel which accommodates shopping can be conveyed.

  According to invention of Claim 5, in addition to the effect of invention of Claim 1, a handcart can be conveyed safely.

  According to the invention described in claim 6, in addition to the effect of the invention described in claim 1, the wheel of the support wheel serves as a rear wheel to support the bicycle body at the rear, and the bicycle can be driven stably.

  According to the seventh aspect of the invention, in addition to the effect of the first aspect of the invention, a load is applied due to the weight of the training roller, so that the bicycle rider performs training with an appropriate load by running the bicycle. be able to. In addition, the bicycle has a relatively short overall length, the training roller is also securely connected, and the bicycle rotates stably, so that road traveling is possible.

  According to the invention described in claim 8 of the present invention, it is possible to provide a motorcycle that can secure a load space without increasing the total length and can secure a good running balance with a low center of gravity.

Hereinafter, embodiments of the present invention will be described with reference to the drawings showing examples.
In FIG. 1, reference numeral 210 denotes a bicycle according to the first embodiment of the present invention. In the bicycle 210, the handle 13 is fixed to the upper end of the handle post 14, and the upper end of the front fork 23 is fixed to the lower end of the handle post 14. The front wheel 2 is rotatably supported at the lower end of the front fork 23, the head pipe 8 is provided so as to rotatably hold the handle post 14, the saddle 15 is fixed to the upper end of the seat post 16, and the seat A crankshaft 17 is rotatably supported at the lower end portion of the post 16, a crank 12 is fixed to the crankshaft 17, and a pedal 11 is rotatably supported at the tip of the crank 12. The gear 4 is fixed to the crankshaft 17.

Further, the upper pipe 7 is provided with the rear end fixed to the upper part of the seat post 16 and the front end fixed to the upper part of the head pipe 8, and the bent lower pipe 9 is bent to the lower end of the seat post 16. The driving wheel 1 is rotatably supported by a bent portion at the substantially central portion of the lower pipe 9 and the small gear 5 that rotates together with the driving wheel 1 is driven. Four wheels that are fixed to the wheel 1, the chain 6 is spanned between the small gear 5 and the large gear 4, and a vehicle, for example, a collection item, is stored in a connection portion 22 provided near the rear end of the lower pipe 9. The front end of the collection / delivery box 25 with 3, 3... Is connected.
The drive wheel 1 is configured to be positioned at a substantially intermediate portion between the front wheel 2 and the crankshaft 17.

  Thus, when the bicycle 210 is run, when the bicycle rider steps on the pedal 11, the large gear 4 rotates together with the crankshaft 17, and the rotation of the large gear 4 rotates the small gear 5 via the chain 6. Let At this time, the small gear 5 rotates faster than the large gear 4. The driving wheel 1 is also rotated by the rotation of the large gear 4, and the bicycle 210 is advanced by the rotation of the driving wheel 1. At this time, since the front end portion of the collection / delivery box 25 is connected to the connection portion 22, it moves forward together with the bicycle 210 main body.

As described above, in the bicycle 210 according to the first embodiment of the present invention, the driving wheel 1 is positioned in front of the crankshaft 17 instead of the driving wheel of the conventional bicycle positioned behind the crankshaft. As a result, the space formed behind the saddle vertical line 18, which is a vertical line extending downward from the saddle 15, can be used as a loading space such as the collection / delivery box 25 as a loading space, and the bicycle 210. Since the entire length can be set short, the handling of the bicycle 210 becomes easy, and further, the capacity and weight of the load can be increased, and the propulsive force of the bicycle is not changed as compared with the conventional bicycle.
Further, even when a load is loaded, the collection / delivery box 25 is set to have a low center of gravity and has four wheels, so that it is possible to ensure stability during traveling and when not traveling.

  In FIG. 2, 220 is a bicycle according to the second embodiment of the present invention, and the bicycle 220 has wheels (3, 3... In FIG. 1) of the bicycle (210 in FIG. 1). Instead of a collection / delivery box (25 in FIG. 1), an infant carriage 39 with two wheels 3 and 3 on which an infant a can be seated is attached. In FIG. 2, 41 is an armrest, 42 is a helmet, 43 is a safety belt, 44 is a side plate, and 45 is a rear plate.

  The bicycle 220 according to the second embodiment of the present invention is replaced with a kindergarten child that has been picked up by a kindergarten child on a small luggage table or an upper pipe on the rear wheel of the bicycle. In addition, an infant carrier 39 with wheels 3 and 3 on which an infant a can be seated is attached to a space formed behind a saddle vertical line 18 that is a vertical line extending downward from the saddle 15. Since the overall length can be set short, handling is easy, and the infant carriage 39 with wheels 3 and 3 has a low center of gravity and has two rear wheels, so the driving stability is high and safe driving is possible. become.

  In FIG. 3, reference numeral 230 denotes a bicycle according to a third embodiment of the present invention, and the bicycle 230 has wheels (3, 3... In FIG. 1) of the bicycle (210 in FIG. 1). Instead of the collection / delivery box (25 in FIG. 1), a shopping box 46 with two wheels 3 and 3 for storing shopping is attached. In FIG. 3, reference numeral 47 denotes a lid of the shopping box 46.

  The bicycle 230 according to the third embodiment of the present invention has a shopping box 46 with wheels 3 and 3 attached to a space formed behind a saddle vertical line that is a vertical line extending downward from the saddle 15. Since the overall length of the entire 230 can be set short, handling is easy, and the shopping box 46 with wheels 3 has a low center of gravity and has two rear wheels, so the driving stability is high and safe driving. Is possible.

  In FIG. 4, reference numeral 240 denotes a bicycle according to a fourth embodiment of the present invention, and the bicycle 240 has wheels (3, 3... In FIG. 1) of the bicycle (210 in FIG. 1). Instead of the collection / delivery box (25 in FIG. 1), a nursing handcart 49 with rear wheels 3 and 3 is attached. In FIG. 4, 40 is a seat, 41 is an armrest, and b is a cared person.

  The bicycle 240 according to the fourth embodiment of the present invention has a nursing wheelbarrow 49 attached to a space formed behind a saddle vertical line that extends downward from the saddle 15. Since the overall length can be set short, handling is easy, and the wheelbarrow for nursing care 49 has a low center of gravity and two rear wheels 3 and 3 so that the running stability is high and safe driving is possible. Become. In addition, compared to traveling by the handcart 49 alone, it becomes possible to quickly carry sick persons, care recipients, and the like.

In FIG. 5, reference numeral 250 denotes a bicycle according to a fifth embodiment of the present invention. The bicycle 250 has wheels (3, 3... In FIG. 1) of the bicycle (210 in FIG. 1). Instead of a collection / delivery box (25 in FIG. 1), a rear end of an arm 26a is attached with a support wheel 26 that rotatably supports one wheel 26b.
A bicycle 250 according to the fifth embodiment of the present invention has a support wheel 26 attached to a space formed behind a saddle vertical line that is a vertical line extending downward from the saddle 15, and the entire length of the bicycle 250 is set to be short. Since it can be done, handling is easy. Further, the support wheel 26 can support the main body of the bicycle 250 rearward, and the wheel 26b can serve as a rear wheel to stabilize the bicycle 250.

In FIG. 6, reference numeral 260 denotes a bicycle according to the sixth embodiment of the present invention, and the bicycle 260 has wheels (3, 3... In FIG. 1) of the bicycle (210 in FIG. 1). In place of the collection / delivery box (25 in FIG. 1), a training unit 48 for rotatably supporting a training roller 48b made of a roller having a rear end of an arm 48a having a predetermined weight is attached.
However, in FIG. 6, the lower half of the seat post 16 is formed by the upright pipe 10, the lower pipe is formed in a substantially straight shape, and the upper end of the upright pipe 10 is separated from the middle portion of the lower pipe. The driving wheel 1 has a deformed structure that is rotatably supported by an intermediate portion. However, such a deformed structure may not be used. The same structure as 220, 230, 240, 250, etc. may be used.
A bicycle 260 according to the sixth embodiment of the present invention has a training unit 48 attached to a space formed behind a saddle vertical line that is a vertical line extending downward from the saddle 15, and depends on the weight of the training roller 48 b during traveling. By applying the load, the rider of the bicycle 260 can perform training with an appropriate load by running the bicycle 260. In addition, the bicycle 260 has a relatively short overall length, the training roller 48b is also securely connected, and stable rotation is possible, so that road traveling is possible. Furthermore, since the entire length of the bicycle 260 can be set short, handling is easy, and the training unit 48 has a low center of gravity and supports the bicycle 260 body, so that the running stability is high and safe running is possible. .

  In FIG. 7, reference numeral 270 denotes a motorcycle according to the seventh embodiment of the present invention. The motorcycle 270 has a handle 13 fixed to the upper end of the handle post 116 and a telescopic suspension 110 provided at the lower end of the handle post 116. The upper end of the front fork 111 is fixed to the lower end of the suspension 110, the seating seat 115 is fixed to the upper end of the upright frame 106, the backbone frame 105 is fixed to the upper end of the upright frame 106, and the front end is the suspension 110. A bent underframe 107 is provided with a rear end fixed to a lower end portion of the upright frame 106 and a front end fixed to a lower portion of the suspension 110.

The driving wheel 1 is pivotally supported on the rear half of the under frame 107, the slave gear 118 that rotates together with the driving wheel 1 is fixed to the driving wheel 1, and the engine 100 is mounted on the middle upper part between the front wheel 2 and the driving wheel 1. A main gear 117 that rotates together with the rotation shaft of the engine 100 is provided on the rotation shaft of the engine 100, and a fuel tank 104 that supplies fuel to the engine 100 is provided near the lower end of the seating seat 115. The chain 6 is stretched over the main gear 117, and the front end of a vehicle, for example, a carriage 20 with four wheels 3, 3... Is fixed to the lower end of the upright frame 106, and the drive wheel 1 stands upright with the front wheel 2. The frame 106 is configured to be positioned at a substantially middle portion with the lower end portion.
The bent under frame 107 includes a bridge frame 108 formed in a bridge shape in the front half to avoid interference with the front wheel 2, a horizontal frame 119 disposed horizontally in the rear half, and a horizontal frame 119. The drive wheel 1 is pivotally supported at a substantially intermediate portion.
An arch frame 109 formed in an arch shape along the outer periphery of the upper half of the drive wheel 1 is arranged with the front end fixed to the rear end of the bridge frame 108 and the rear end fixed to the lower part of the upright frame 106. It is installed.

  Thus, when the motorcycle 270 is driven, when the rider of the motorcycle 270 starts the engine 100 and connects a clutch (not shown), the rotation of the main gear 117 is transmitted to the slave gear 118 via the chain 6. The motorcycle 270 moves forward by the rotation of the drive wheel 1 that rotates together with the slave gear 118. At this time, since the front end portion of the carriage 20 is connected to the connection portion 22, the carriage 20 moves forward together with the motorcycle 270 main body.

Thus, in the motorcycle 270 of the seventh embodiment of the present invention, the driving wheel 1 is placed in front of the seating seat 115 instead of the driving wheel of the conventional motorcycle positioned behind the seating seat 115, that is, The carriage 20 is positioned in front of the upright frame 106. By this, the carriage 20 is disposed in a space formed behind the seating seat vertical line 120, which is a vertical line extending downward from the seating seat 115, and is used as a loading space. be able to. In addition, since the entire length of the motorcycle 270 can be set short, handling becomes easy, and further, the capacity and weight of the load can be increased, and the propulsive force of the motorcycle does not change as compared with the conventional motorcycle.
Further, even when a load is loaded, the cart 20 has a low center of gravity and has four wheels, so that stability during running and non-running can be ensured.

1 is a side view of a bicycle according to a first embodiment of the present invention. It is a side view of the bicycle of 2nd Example by this invention. It is a side view of the bicycle of 3rd Example by this invention. It is a side view of the bicycle of 4th Example by this invention. It is a side view of the bicycle of 5th Example by this invention. It is a side view of the bicycle of 6th Example by this invention. It is a side view of the motorcycle of 7th Example by this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Drive wheel 2 Front wheel 4 Large gear 5 Small gear 6 Chain 7 Upper pipe 8 Head pipe 9 Lower pipe 11 Pedal 12 Crank 13 Handle 14 Handle post 15 Saddle 16 Seat post 17 Crankshaft 22 Connection part 23 Front fork 25 Collection box 26 Support Car 26a Arm 26b Wheel 39 Infant carrier 46 Shopping box 48 Training unit 48a Arm 48b Training roller 49 Wheelbarrow 100 Engine 104 Fuel tank 105 Backbone frame 106 Upright frame 107 Under frame 110 Suspension 111 Front fork 115 Seating seat 116 Handle post 117 Main gear 118 Secondary gear 210, 220, 230, 240, 250, 260 Bicycle 270 Motorcycle

Claims (8)

  A handle, a handle post to which the handle is fixed to the upper end, a front fork having an upper end fixed to the lower end of the handle post, a front wheel rotatably supported on the lower end of the front fork, and the handle post. A head pipe that is rotatably held, a saddle, a seat post to which the saddle is fixed to an upper end, a crank shaft that is rotatably supported by a lower end portion of the seat post, and a crank that is fixed to the crank shaft And a pedal rotatably supported at the front end of the crank, a large gear fixed to the crankshaft and rotatable together with the crankshaft, a rear end fixed to the upper portion of the seat post, and a front end connected to the head An upper pipe fixed to the upper part of the pipe, a lower pipe whose rear end is fixed to the lower end of the seat post, and whose front end is fixed to the lower part of the head pipe; A driving wheel rotatably supported at a substantially central portion of the lower pipe, a small gear fixed to the driving wheel and rotating together with the driving wheel, a chain spanned between the small gear and the large gear, A connecting portion provided in the vicinity of the rear end of the lower pipe; and a vehicle having a front end connected to the connecting portion, and the driving wheel is configured to be positioned at a substantially intermediate portion between the front wheel and the crankshaft. Bicycle characterized by that.   2. The bicycle according to claim 1, wherein the vehicle is a collection / delivery box with wheels for storing collection / delivery items.   The bicycle according to claim 1, wherein the vehicle is a wheeled infant carrier vehicle on which an infant can sit.   The bicycle according to claim 1, wherein the vehicle is a shopping box with wheels for storing shopping.   The bicycle according to claim 1, wherein the vehicle is a handcart.   The bicycle according to claim 1, wherein the vehicle is a support wheel having a rear end of an arm that rotatably supports a wheel.   The bicycle according to claim 1, wherein the vehicle is a training unit that rotatably supports a training roller including a roller having a rear end of an arm having a predetermined weight.   A handle, a handle post to which the handle is fixed to the upper end, a telescopic suspension provided at the lower end of the handle post, a front fork fixed to the lower end of the suspension, and a lower end of the front fork A front wheel to be pivotally supported, a seating seat, an upright frame to which the seating seat is fixed to an upper end, a backbone frame to which a rear end is fixed to an upper end portion of the upright frame and a front end is fixed to an upper portion of the suspension; An underframe having a rear end fixed to a lower end portion of the upright frame and a front end fixed to a lower portion of the suspension; a drive wheel rotatably supported by a rear half portion of the underframe; and the drive wheel. A slave gear fixed and rotating together with the driving wheel, and an engine provided at an intermediate upper portion of the front wheel and the driving wheel. A main gear that rotates together with the rotating shaft of the engine, a fuel tank that is provided in the vicinity of the lower end of the seating seat and that supplies fuel to the engine, and a chain that spans between the slave gear and the main gear And a vehicle having a front end fixed to the lower end portion of the upright frame, and the drive wheel is configured to be positioned at a substantially middle portion between the front wheel and the lower end portion of the upright frame.

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