JP3075826U - bicycle - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a bicycle that can be erected in the longitudinal direction and that can reduce the occupied area. SOLUTION: In a bicycle provided with a carrier (18) on the rear end side of a vehicle body, brackets (20) are fixed to both sides of the rear end edge of the carrier (18), and a roller (22) is attached to each bracket (20). To be configured.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a bicycle, and more particularly, to a bicycle structure that can be erected in a longitudinal direction with a front wheel facing upward, which can reduce the occupied area.

[0002]

[Prior art]

 There are quite a few foldable bicycles on the market, and when not in use, they can be folded down to be reasonably small and occupied space can be reduced, so that they can be purchased enough, Is too expensive to buy easily. In particular, considering that students may park their bicycles at train stations or at schools for school entry or exit, being too expensive is a major obstacle to their spread. In addition, the folding structure of a general folding bicycle is quite complicated, and its deployment and folding operation are complicated and inconvenient.

[0003] In the industry, the "Bicycle parking frame (2)" of Taiwanese new patent publication No. 349509 has been developed for bicycle storage or public bicycle parking. As shown in FIG. The parking frame is formed by combining members such as a main seat 11a, an elevating bracket 40a having both supporting arms 41a and 42a, and an elevating device 30a, so that a general bicycle (an unfolded bicycle) is supported by the two supporting arms of the elevating bracket 40a. The bicycle is held by 41a, 42a and the lifting / lowering device 30a, and the bicycle is lifted to an appropriate height and accommodated.It has the advantage that the accommodation area can be reduced without complicated folding operation. Parking slots are usually only used in public places and cannot be used at home.

[0004]

[Problems to be solved by the invention]

 SUMMARY OF THE INVENTION In view of the above-mentioned problems relating to the conventional bicycle storage area, an object of the present invention is to provide a bicycle that can be erected in the longitudinal direction and that can reduce the occupied area.

[0005]

Means for Solving the Problems In order to achieve the above object, the present invention relates to a bicycle having a carrier at the rear end side of a vehicle body, wherein brackets are fixed to both sides of the rear end of the carrier, respectively. It is composed of a roller mounted on the vehicle.

Then, the rear end of each roller and the rear end of the rear wheel of the bicycle are positioned on the same plane orthogonal to the longitudinal direction of the vehicle body, or the bracket is fixed to the carrier by welding. Alternatively, the bracket may be formed as a substantially inverted triangular connecting piece, a shaft hole may be provided at the rear end of the connecting piece, and the roller may be mounted on the shaft hole, or the bracket may be screwed. The bracket is formed into a substantially inverted triangular connecting piece, which is attached to the loading platform or a rear end edge of the loading platform is fixed to the rear end edge of the loading platform. A hole and a shaft hole are provided, and the bracket is attached to the carrier by screwing the bracket to the screw member with a bolt through the through hole, and further, a roller is shafted on the shaft hole. It is also possible to adopt a configuration of performing such operations.

In the present invention configured as described above, brackets are fixedly provided on both sides of the rear edge of the loading platform, and the rear edge of the roller attached to each bracket and the rear edge of the rear wheel of the bicycle. Since the three points are located on the same plane perpendicular to the longitudinal direction of the bicycle, if the bicycle is erected vertically in the longitudinal direction, the bicycle is supported upright by the two rollers and the rear wheel, so that it can stand upright without falling down. As a result, the occupied area of the bicycle can be significantly reduced, and the vehicle can be pulled and moved as it is.

[0008]

[Embodiment of the invention]

 Hereinafter, the present invention will be specifically described based on embodiments, but the present invention is not limited to only this example. First, as shown in FIGS. 1 and 2, a relatively preferred first embodiment of the bicycle according to the present invention has a main structure of the bicycle 10 in which a front end of an upper pipe 11 is provided at a lower end side of a head pipe 12. A front wheel 14 is attached to a tip of the front fork 13, a vertical pipe 15 and a back fork 16 are fixedly provided at a rear end of the upper pipe 11, and a rear wheel is provided at a tip of the back fork 16. The vehicle has a structure in which wheels 17 are attached and a carrier 18 is provided between the back fork 16 and the upright pipe 15 so as to be located above the rear wheels 17.

The feature is that a set of brackets 20 each consisting of a substantially inverted triangular connecting piece 21 is fixed to the rear end edge of the loading bed 18 by welding, and a shaft hole 211 is provided at the rear end of the connecting piece 21. A pair of rollers 22 are rotatably attached to the connecting piece 21 by bolts 221 and nuts 223 through the shaft hole 222 and the shaft hole 211 of the connecting piece 21. The rear end edge 224 and the rear end edge 171 of the rear wheel 17 are located on the same line (same plane) that is substantially perpendicular to the longitudinal direction of the vehicle body.

The above is an outline of the features of the first embodiment of the present invention and each member, and then, the usage of the present invention will be described. As shown in FIGS. 1 and 2, the bicycle according to the first preferred embodiment of the present invention has a bracket 20 welded and fixed to both sides of a rear end edge of a carrier 18 and a roller 22 attached to both brackets 20, respectively. Therefore, as shown in FIGS. 3 and 4, the two rollers 22 and the rear wheel 17 provide a three-point flat support effect. When the bicycle 10 is placed upright in the longitudinal direction, the three-point flat support is achieved. By this effect, the entire bicycle 10 can be stably upright in the vertical direction, the occupying area required for parking the bicycle 10 can be greatly reduced, and the three-point support of both the rollers 22 and the rear wheel 17 can be achieved. By the effect, the bicycle 10 standing upright can be conveniently moved by being pulled upright.

FIGS. 1 and 5 show a second preferred embodiment of the bicycle according to the present invention, in which the bicycle 10 has a front fork 13 at the front end of a head pipe 12 at the front end of an upper pipe 11. A front wheel 14 is attached to the tip of the front fork 13, a vertical pipe 15 and a back fork 16 are fixed to the rear end of the upper pipe 11, and a rear wheel 17 is attached to the tip of the back fork 16. A structure in which a loading bed 18 is installed between the back fork 16 and the standing pipe 15 so as to be located above the rear wheel 17, and a set of brackets 20 'is attached to the rear edge of the loading bed 18. Consists of The structure up to the above is the same as that of the first embodiment, and the difference is that the bracket 20 'is fixed to the carrier 18 by screwing. The fixing method is as follows. First, the screwing piece 181 is welded and fixed to the rear end edge of the loading platform 18, and the bracket 20 'is constituted by a connecting piece 21' having a substantially inverted triangular shape, and before and after the connecting piece 21 '. At the end, a through hole 22 'and a shaft hole 23' are provided.The through hole 22 'and the screw piece 181 are opposed to each other, and the connecting piece 21' is screwed and fixed to the carrier 18 by a bolt 182 and a nut 183. Then, screw the bolt 241 'through the shaft hole 242' of the roller 24 'and further into the shaft hole 23', and then insert the nut 243 'at the end of each bolt 241'. The roller 24 'is rotatably attached to the connecting piece 21' by screwing. Therefore, the structure in which the bracket 20 'of the present embodiment is fixed to the carrier 18 by the screwing method is not only stable and reliable, but also can achieve the same effects as those of the first embodiment.

In summary, it can be seen that the present invention has the following advantages. A pair of brackets 20, 20 ′ attached to both sides of the rear edge of the carrier 18 by welding or screwing, the rear edges 224 of the two rollers 22, 24 ′ and the rear edges of the rear wheels 17, respectively. 171 and 171 are located on the same plane orthogonal to the longitudinal direction of the bicycle 10, so that when the bicycle 10 is accommodated, the two longitudinal directions of the two , 24 'and the rear wheel 17, so that the bicycle can be stably parked without falling down and the bicycle occupation area is greatly reduced. There is an advantage that can be used for residential space. In addition, the three wheels (the two rollers 22, 24 'and the rear wheel 17) allow the bicycle to be moved with little effort by pulling the bicycle. In addition, the brackets 20 and 20 'of the present invention may be newly provided on any bicycle (including a foldable or non-foldable bicycle) having a conventional carrier. By asking a bicycle shop for easy installation, you can convert the bicycle into a vertically upright bicycle and reduce its occupied area. As described above, the bicycle of the present invention does not have the trouble of having to perform a complicated folding operation like a conventional foldable bicycle in order to reduce the occupied area, and also has a conventional bicycle parking frame. It has the advantage that there is no inconvenience that it can be operated only for public facilities.

[0013]

[Effect of the invention]

 As described above, in the present invention, since the three points consisting of both the rollers and the rear wheels provided on both sides of the rear end edge of the loading platform are on the same plane orthogonal to the longitudinal direction of the bicycle, the bicycle is controlled. The bicycle can be stably supported by being upright so that its longitudinal direction is vertical.The occupying area of bicycles can be significantly reduced, and it can be accommodated in a small house, and the bicycle can be pulled while the longitudinal direction is upright. And can be moved conveniently.

[Brief description of the drawings]

FIG. 1 is a side view of a first preferred embodiment of the present invention.

FIG. 2 is a three-dimensional exploded view of a carrier, a bracket, and a roller portion of the first embodiment.

FIG. 3 is a side view showing a use state of the first embodiment.

FIG. 4 is a right side view of FIG. 3.

FIG. 5 is an exploded view of the vicinity of the loading platform according to a second preferred embodiment of the present invention.

FIG. 6 is a side view of a conventional bicycle parking frame.

[Explanation of symbols]

10: Bicycle 11: Upper pipe 12: Head pipe 13: Front fork 14: Front wheel 15: Standing pipe 16: Back fork 17: Rear wheel 171: Rear edge of rear wheel 18: Carrier 181: Screw piece 182: Bolt 183: Nut 20: Bracket 21: Connecting piece 211: Shaft hole 22: Roller 221: Bolt 222: Shaft hole 223: Nut 224: Rear edge of roller 20 ': Bracket 21': Connecting piece 22 ': Passage of connecting piece Hole 23 ': Shaft hole of connecting piece 24': Roller 241 ': Bolt 242': Shaft hole of roller 243 ': Nut

Claims (6)

[Utility model registration claims] 1. A bicycle provided with a carrier at a rear end side of a vehicle body, wherein brackets are fixed to both sides of a rear end edge of the carrier, respectively.
A bicycle comprising a roller mounted on each bracket. 2. The bicycle according to claim 1, wherein the rear edge of each of the rollers and the rear edge of the rear wheel of the bicycle are positioned on the same plane orthogonal to the longitudinal direction of the vehicle body. . 3. The bicycle according to claim 1, wherein the bracket is fixed to the carrier by welding. 4. The bracket according to claim 1, wherein the bracket is formed of a substantially inverted triangular connecting piece, a shaft hole is provided at a rear end of the connecting piece, and the roller is mounted on the shaft hole. 1
Bicycle described in. 5. The bicycle according to claim 1, wherein the bracket is attached to the carrier by screwing. 6. A fixing screw is fixed to a rear end edge of the loading platform, and the bracket is formed of a substantially inverted triangular connecting piece, and a through hole and a shaft hole are provided at a front end and a rear end of the connecting piece, respectively. The bicycle according to claim 1 or 4, wherein the bracket is provided, and the bracket is screwed to the screw member through the through hole with a bolt, and the roller is further axially attached to the shaft hole.