JPH0568794U - Foldable bicycle with storage case - Google Patents

Abstract

(57) [Abstract] [Purpose] By using the storage case itself, in which the handle, front wheels, etc. are folded, as the body of the bicycle, handling such as transportation and storage can be facilitated. [Structure] A rear wheel 22 is rotatably supported in a box-shaped storage case 10 having front and lower surfaces and a saddle portion 20 on the upper surface, and a sprocket wheel 24 and a pedal 32 of the rear wheel are supported. A chain 30 is suspended between the pedal 30 and a sprocket 29 attached to the pedal shaft 28.
Further, the front wheel 38 is rotatably supported at the lower end of the branch stay portion 36 of the front wheel stay 35 connected to the tubular support member 27 of the pedal shaft 28 in a vertically rotatable manner. A handle 41 is movably connected to the handle shaft 40 via a handle shaft 40 that can be raised and lowered. When not in use, the handle 41, the front wheel 38, etc. are folded and stored in the storage case 10. .

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a foldable bicycle with a new storage case, and more specifically, the storage case itself is the body of the bicycle. When not in use, it is folded and stored in the storage case, and stored when used. The present invention relates to a bicycle which is pulled out from the case, straddles the storage case, and operated by pedaling.

[0002]

[Prior Art]

 Conventionally, a foldable bicycle is generally disassembled and stored in a separately prepared storage case made of cloth or the like, and when used, it is usually taken out of the case and reassembled. I can't find a structure that itself is the body of the bicycle.

[0003]

[Problems to be solved by the device]

 Therefore, in the conventional case, even if it is folded and stored in the case, it is not easy to carry because it has a protrusion, it also takes a storage place, and disassembly and assembly are not easy, and it has a good appearance and appearance. There are problems that it is difficult, troublesome and complicated to carry and use it easily.

The present invention has been made in view of the above problems of the conventional technique, and the purpose thereof is to make it easy to fold and store in a storage case and pull out from the case without disassembling. In addition, it is to provide a folding bicycle with a storage case that can be easily used.

Another object of the present invention is to provide a foldable bicycle with a storage case which is compact in size, requires less storage space, and has a good appearance and is easy to carry. It is in.

[0006]

[Means for solving problems]

 For this purpose, according to the present invention, a rear wheel is rotatably mounted in a box-shaped storage case whose front and bottom surfaces are partially open, and the rear wheel is connected to the rear wheel stay via a stay. A chain is suspended between the sprocket wheel of the pedal shaft having a foldable pedal and the sprocket wheel of the rear wheel, and a front branch branched from the front wheel stay connected to the tubular support member of the pedal shaft. The front wheels are rotatably mounted between the forks, and the left and right handles are connected to the handle shaft that is connected to the front wheel stays so that the handles can be folded when not in use. It is characterized by being stored in a storage case.

[0007]

[Action]

 When the bicycle of the present invention having the above-mentioned configuration is used, the constituent members such as the front wheels, the handle, and the pedals, which are folded and stored in the storage case, are pulled out to be self-supporting, and the storage case is kept in that state. On the saddle, put the buttocks on the saddle, and pedal to run, and when not in use, the handle, front wheels, sprockets, pedals, and other components are folded and completely stored in the storage case. The appearance is also compact and stored in that state, like a suitcase for overseas travel, and it is easy to carry by pushing the storage case and running it through the rotation of the rear wheel and auxiliary vehicle. Done.

[0008]

【Example】

 An embodiment of the present invention will be described with reference to the drawings. Fig. 1 is a schematic side view of a partial cross-section with a front wheel and the like pulled out from a storage case, and Fig. 2 shows a folded storage state in a storage case. Fig. 3 is a schematic side view of a partial cross section, Fig. 3 is a front view, Fig. 4 is a plan view, and Fig. 5 is a bottom view. The storage case 10 has a slightly vertical shape with its front and bottom portions partially open, and is rounded. The storage case 10 is a box-shaped body having the above-mentioned structure, and is preferably obtained as an integrally molded product made of a tough hard synthetic resin material. To further explain, the storage case 10 is formed of left and right side plates 11, 12, a front plate 13, a rear plate 14, a top plate 15 and a bottom plate 16, and an opening is formed in the lower center of the top plate 15. 17 is provided, an arcuate notch 18 is provided in the opening 17, and the bottom plate 16 is provided with an opening 19 through which the rear wheel is pivotally supported and the front wheel is taken in and out. The upper plate 15 is provided with a saddle portion 20 and a carrying handle 21. It should be noted that the saddle portion 20 may have a structure in which the height is adjusted in addition to the fixed height. Further, the handle 21 may be a pair of U-shaped handle structures that can be raised and lowered, in addition to the pull-out band structure, and the selection is appropriate.

A rear wheel 22, a brake 23, a sprocket wheel 24, and the like are rotatably supported via an axle 25 between the rear sides of the left and right side plates 11 and 12 in the storage case 10. In the transmission system of the rear wheel 22, one end of a pair of rear wheel stays 26 is attached to both left and right ends of the axle 25, and the other end is attached to a tubular support member 27 so that the tubular support member 27 can rotate. A chain 30 is suspended from the sprocket 29 of the supported pedal shaft 28 and the sprocket wheel 24 of the rear wheel 22, and the pedal arm 31 is integrally attached to the left and right ends of the pedal shaft 28, and the pedal arm 31 is foldable with respect to the pedal arm 31. The pedal shaft 28 is driven via a pedal 32 that is operably connected, and the rotational force thereof is transmitted to the rear wheel 22.

A pair of brackets 33 are provided on both ends of the upper surface of the tubular support member 27 by welding or the like, and a front wheel stay 35 is rotated upward and downward on a horizontal shaft 34 fixed between the brackets 33, 33. It is linked as movable. The front wheel stay 35 has a substantially T-shape, and a front wheel 38 is rotatably attached via a axle 39 between lower end front forks 37 of the branch stay portion 36, and an upper end of the branch stay portion 36. A handle shaft 40 is erected so that it can be erected, and left and right handles 41 are erected so that it can be erected. As a connecting means capable of raising and lowering the handle shaft 40 with respect to the branch stay portion 36, for example, as shown in FIG. 9, an opening 43 is formed at the center in the radial direction on the upper end surface of the stay portion 36. And a pair of support parts 42 having a screw part 44 and a shaft hole 45 are erected, and a lower end block part 46 of the handle shaft 40 is fitted into the opening part 43 of the support part 42. The shaft 48 is vertically rotatably supported by a shaft 48 that is inserted into a compatible hole between the shaft hole 47 and the bearing shaft hole 45, and the threaded portion 50 of a tightening nut 49 that is loosely inserted in the handle shaft 40 is supported by the bearing portion. The handle shaft 40 and the branch stay portion 36 are integrally formed in a straight line by being screwed into the screw portion 44 of 42, and the tightening nut 49 is loosened, and the hand shaft 40 is tilted backward with the shaft 48 as a supporting body. To be folded by To have. This tilting structure is the same in the relationship between the handle shaft 40 and the left and right handles 41, and a description thereof will be omitted.

As shown in FIG. 1, the front wheel stay 35, the sprocket 29 and the like are supported by the body stay 51 on the front wheel stay 35 when the front wheel 38 is out of the storage case 10 during use. Is rotatably attached. To further explain, as shown in FIG. 10, the body stay 51 has a mounting portion 52, which is branched into two forks at the bottom thereof, straddles the front wheel stay 35 and extends vertically in the horizontal axis 34 between the brackets 33, 33. Is rotatably pivotally supported, and a substantially U-shaped locking portion 53 at its upper end is locked by a locking edge member 54 provided at the upper edge of the front plate opening 18 in the storage case 10, and the locking is performed. The supporting state is held by the set screw 55, and when it is not necessary, the set screw 55 is removed, and the engagement with the locking edge member 54 is released by lifting the storage case 10 slightly upward. Further, the horizontal shaft 34 is pivoted downward as a supporting body, and the locking portion 53 is supported by the upper end receiving portion 57 of the support rod 56 provided upright on the rear wheel stay 26 so that the front wheel 38 and the like are supported. The whole including it is folded and stored in the storage case 10. It is supposed to be paid. Further, as shown in FIGS. 5 and 1, an auxiliary vehicle 59 for transportation is rotatably attached to the notch 58 of the bottom plate 16 of the storage case 10 via the bracket 60 and the axle 61 so as to be freely rotatable. Has been done.

In use, as shown in FIG. 1, the front wheel 38, the handle 41, etc. are pulled out from the storage case 10, and the locking portion 53 of the body stay 51 is locked to the storage case 10. It is straddled over the storage case 10 while being locked by the edge member 54, the buttocks are placed on the saddle portion 20, and the pedals 32 are made to run.

When not in use, as shown in FIG. 2, members such as the handle 41, the handle shaft 40, and the front wheel 38 are folded and stored in the storage case 10. To further explain, the left and right handles 41 are rotated downward and folded with respect to the handle shaft 40, and the handle shaft 40 is rotated downward by loosening the tightening nut 49 and using the shaft 48 as a supporting body. The body stay 51 is moved and folded with respect to the front wheel stay 35, and the body stay 51 is released from the engagement with the opening engagement edge member 54 in the storage case 10 by the engagement portion 53 and the horizontal shaft 34 is supported by the body. Is rotated and tilted rearward, and the receiving portion 57 of the support rod 56 is engaged with and supported by the locking portion 53. Further, both pedals 32 are folded, and the front wheel stay 35 is laterally moved together with the front wheel 38. The sprocket 29 is rotated rearward with the shaft 34 as a fulcrum, and accordingly, the sprocket 29 is rotated rearward through the rear wheel stay 26 and with the axle 25 as a fulcrum, and the whole is housed in the storage case 10. ..

[0014]

[Effect of the device]

 According to the present invention, since the storage case itself is a part of the bicycle body, folding storage in the storage case and assembly of the drawer from the storage case are easy and can be performed quickly. In addition, the handle, front wheels, etc. are completely folded and stored in the storage case, and the entire body is compact without any protrusions and can be stacked, so there is little storage space. It can also be transported by pushing the rear wheels and the rotation of the auxiliary vehicle, which makes it extremely easy to carry.In addition, the appearance during transportation is as if it were a suitcase for overseas travel. The appearance is good and the fashionability is excellent.

Further, since the storage case is made of a tough, hard synthetic resin, it is light in weight as a whole and is easy to transport. In addition, folding storage in the storage case allows rear wheels, front wheels and auxiliary vehicles to be stored. Since the rest is completely inside the storage case except for the grounded part, rainwater etc. does not directly hit the bicycle inside during storage, so it does not rust or get dirty and has excellent durability etc. is there.

[Brief description of drawings]

FIG. 1 is a schematic side view of a partial cross section with front wheels and the like pulled out from a storage case.

FIG. 2 is a schematic side view of a partial cross section showing a folded and stored state in a storage case.

FIG. 3 is a front view of FIG.

FIG. 4 is a plan view of FIG.

5 is a partially omitted bottom view of FIG. 2. FIG.

FIG. 6 is an explanatory diagram showing a carrying handle in a storage case.

FIG. 7 is a side view in a stored state.

FIG. 8 is a rear view of FIG.

FIG. 9 is an exploded perspective view showing an example of a folded structure of a handle shaft portion.

FIG. 10 is an enlarged front view of a main part with a part broken away.

[Explanation of symbols]

 10 Storage Cases 11, 12 Side Plates 13 Front Plates 14 Rear Plates 15 Top Plates 16 Bottom Plates 17, 19 Openings 20 Saddle Parts 21 Carrying Handles 22 Rear Wheels 24 Sprocket Wheels 25 Axle 26 Rear Wheel Stays 27 Cylindrical Support Members 28 Pedal shaft 29 Sprocket 30 Chain 31 Pedal arm 32 Pedal 35 Front wheel stay 36 Branch stay part 37 Front fork 38 Front wheel 40 Handle shaft 41 Handle 51 Body stay 53 Locking part 54 Locking edge member 56 Supporting rod 57 Upper end receiving part

Claims (4)

[Scope of utility model registration request] 1. A foldable pedal in which a rear wheel is rotatably and axially mounted in a box-shaped storage case whose front and lower surfaces are partially open, and which is connected to the rear wheel via a rear wheel stay. A chain is suspended between the sprocket wheel of the pedal shaft and the sprocket wheel of the rear wheel, and the front wheel is rotatably mounted between the front wheel stay connected to the tubular support member of the pedal shaft and the front fork of the branch. The left and right handles are connected to the front and rear wheel stays so that they can be tilted up and down, and when not in use, the handles are folded and stored completely in the storage case. A foldable bicycle with a storage case. 2. The folding bicycle with a storage case according to claim 1, wherein a saddle portion and a carrying handle are provided on an upper surface of the storage case. 3. The front stay is rotatably provided with a body stay whose free end is engaged with an engaging edge member provided at a front opening of the storage case when used. 2. The rear wheel stay has a structure in which a support rod having a receiving portion that locks and supports the locking portion of the body stay that is tilted when stored in the storage case is erected. A foldable bicycle with a storage case. 4. The foldable bicycle with a storage case according to claim 1, wherein an auxiliary vehicle for transportation is mounted on the storage case so as to be freely rotatable.