WO2016093002A1

WO2016093002A1 - Foldable vehicle

Info

Publication number: WO2016093002A1
Application number: PCT/JP2015/081521
Authority: WO
Inventors: 光寿加納
Original assignee: 豊田鉄工株式会社
Priority date: 2014-12-10
Filing date: 2015-11-09
Publication date: 2016-06-16
Also published as: JP2016112905A; JP6177756B2

Abstract

Provided is a foldable vehicle which can be switched easily between a state in which the operator operates the vehicle while in a sitting position and a state in which the operator operates the vehicle while in a standing position. A first connection section (26) is provided with a guide section (36) for guiding, between a first position (36a) and a second position (36b), the portion of a front frame (18) where the front frame (18) is connected to a main frame (16). In the first connection section (26), when the portion of the front frame (18) where the front frame (18) is connected to the main frame (16) is located at the first position (36a), the long section (16b) of the main frame (16) has a specified angle relative to a surface (8) on which the vehicle travels, causing the vehicle to be in a state in which the operator operates the vehicle while in a sitting position. In the first connection section (26), when the portion of the front frame (18) where the front frame (18) is connected to the main frame (16) is located at the second position (36b), the long section (16b) of the main frame (16) is parallel to the surface (8) on which the vehicle travels, causing the vehicle to be in a state in which the operator operates the vehicle while in a standing position.

Description

Folding vehicle

The present invention relates to a foldable vehicle, and more particularly to an improvement for facilitating switching between a state in which a driver operates in a sitting position and a state in which the driver operates in a standing position.

A foldable vehicle comprising a front wheel, a rear wheel, a main frame, a front frame provided on the front wheel side with respect to the main frame, a rear frame to which the rear wheel is attached, and a seat portion. Are known. In such a foldable vehicle, there has been proposed a technique that realizes switching between a state of driving in a sitting position and a state of driving in a standing position. For example, the folding bicycle described in Patent Document 1 is an example. According to this technology, the saddle as the seat portion is attached, so that the driver is in a state of driving in a sitting position, while the saddle is removed, so that the driver is in a standing position. Is done.

Japanese Patent No. 4117660

However, in the conventional technique, there is a risk that the saddle may be lost by removing the saddle in order to operate in a standing posture. Furthermore, when driving in a standing position, the seat frame from which the saddle has been removed is in the way, which has the disadvantage of being difficult to drive. In other words, a foldable vehicle that can easily switch between a state in which a driver is driving in a sitting position and a state in which it is driving in a standing position has not yet been developed.

The present invention has been made against the background of the above circumstances, and the object of the present invention is a foldable vehicle in which a driver can easily switch between a state of driving in a sitting position and a state of driving in a standing position. Is to provide.

In order to achieve such an object, the gist of the first invention includes a front wheel, a rear wheel, a main frame, a front frame provided on the front wheel side with respect to the main frame, and the rear wheel. A foldable vehicle including a rear frame to which a wheel is attached and a seat part, wherein the front frame is connected to the main frame at a first connection part, and the rear frame is connected to a second connection part. The seat portion is connected to the main frame at a third connecting portion, and the second connecting portion is connected to the main frame, and the second connecting portion is capable of rotating the rear frame relative to the main frame. The locked state that disables the movement is switched, and the third connecting portion can rotate the seat portion with respect to the main frame. The first connecting portion is configured to switch a connecting portion of the front frame with respect to the main frame between a first position and a second position. When the connecting portion of the front frame with respect to the main frame is set to the first position in the first connecting portion, the main frame is set to a specified angle with respect to the vehicle running surface. In the first connecting portion, when the connecting portion of the front frame with respect to the main frame is set to the second position, the main frame is parallel to a vehicle running surface, and the main frame is connected to the main frame. The front frame is connected to the front frame in any of the first position and the second position. Parts are characterized in that which is parallel to the vehicle travel surface.

According to the first aspect of the invention, the front frame is connected to the main frame at a first connecting portion, the rear frame is connected to the main frame at a second connecting portion, and the seat portion is connected to the third connection. Connected to the main frame at the part, the second connecting part is switched between a variable state enabling the rotation of the rear frame relative to the main frame and a locked state disabling the rotation, The third connecting portion can be switched between a variable state that allows the seat portion to rotate with respect to the main frame and a locked state that disables the rotation. A guide portion for guiding a connecting portion of the front frame with respect to a frame between a first position and a second position; When the connecting portion of the front frame with respect to the main frame is set to the first position, the main frame is set to a specified angle with respect to a vehicle running surface, and the front frame with respect to the main frame is formed at the first connecting portion When the second connecting position is the second position, the main frame is parallel to the vehicle running surface. In the first connecting portion, the connecting part of the front frame with respect to the main frame is the first position and the first position. In any of the two positions, the seat portion is parallel to the vehicle running surface. Therefore, in the first connecting portion, the connecting portion of the front frame with respect to the main frame is the first portion. Switching between the position and the second position allows the driver to drive in a sitting position and standing position It is easily switched between a state of operating. That is, it is possible to provide a foldable vehicle in which a driver can easily switch between a state of driving in a sitting position and a state of driving in a standing position.

The gist of the second invention subordinate to the first invention is that the main frame has a short side portion and a long side portion forming a specified angle with respect to the short side portion in a side view. In the first connecting portion, when the connecting portion of the front frame with respect to the main frame is set to the first position, the long side portion has a specified angle with respect to the vehicle running surface. In the first connecting portion, when the connecting portion of the front frame with respect to the main frame is set to the second position, the long side portion is parallel to the vehicle running surface. In this way, when the driver is driving in a sitting position, the driver's feet can be placed on the short side portion, and the driver's feet can be easily moved when getting on and off.

The gist of the third invention subordinate to the first invention or the second invention is that the first connecting portion is variable to enable the front frame to rotate with respect to the main frame at the first position. And a locked state that disables rotation, the first connecting portion is made variable in the first position, and the main frame is rotated toward the front frame, The folding vehicle can be folded. If it does in this way, the said folding type vehicle can be folded up suitably by rotating the said main frame to the said front frame side by making the said 1st connection part into a variable state.

The gist of the fourth invention according to any one of the first to third inventions is that, in the first connecting portion, the connecting portion of the front frame with respect to the main frame is set to the second position. In some cases, the seat portion is stored between the main frames. In this way, a sufficient space can be secured at the driver's feet when the driver is driving in a standing posture.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view schematically illustrating a configuration of a folding vehicle that is a preferred embodiment of the present invention, and illustrates a state in which a driver drives in a sitting position. FIG. 2 is a cross-sectional view taken along the line II-II in FIG. FIG. 2 is a side view schematically illustrating the configuration of the foldable vehicle in FIG. 1, illustrating a state in which the driver drives in a standing posture. It is a figure which expands and shows the vicinity of the 1st connection part in FIG. FIG. 5 is a cross-sectional view taken along line VV in FIG. 3. FIG. 2 is a side view schematically illustrating the configuration of the foldable vehicle in FIG. 1 and illustrates a state in which the vehicle is folded. It is a front view which illustrates other suitable forms of the seat part with which the folding type vehicle of Drawing 1 is equipped, and illustrates the state where a driver drives in a sitting posture. It is a front view which illustrates other suitable forms of the seat part with which the foldable vehicle of Drawing 1 is equipped, and illustrates the state where a driver drives with a standing posture.

In the present invention, preferably, the guide portion is a groove portion formed on a side portion of the front frame in the vehicle left-right direction. Preferably, it is an arcuate groove having a center of curvature on the front wheel side. Preferably, the first position is a notch formed in an end portion of the guide portion on the vehicle vertical direction lower side and the vehicle front-rear direction rear side. Preferably, the second position is a notch formed at an end of the guide portion on the vehicle vertical direction upper side and the vehicle front-rear direction front side.

Preferably, a shaft member is provided at the end on the short side portion side of the main frame so as to protrude outward in the lateral direction of the vehicle. When the shaft member is fitted into the guide portion, the main frame is connected to the front frame so as to be relatively rotatable around the shaft member. Preferably, in a state where the shaft member in the main frame is fitted into the notch, the shaft member is prevented from being detached from the notch, and the shaft member is allowed to be detached from the notch. The state is switched.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the drawings used for the following description, the dimensional ratios and the like of each part are not necessarily drawn accurately.

FIG. 1 is a side view schematically illustrating a configuration of a foldable vehicle 10 (hereinafter simply referred to as a vehicle 10) that is a preferred embodiment of the present invention, and illustrates a state in which a driver drives in a sitting position. ing. As shown in FIG. 1, the vehicle 10 includes a front wheel 12, a rear wheel 14, a main frame 16, a front frame 18, a rear frame 20, a seat portion 22, and a steering pole 24. . The vehicle 10 preferably includes a single front wheel 12 and a pair of left and right rear wheels 14. That is, the vehicle 10 is preferably a foldable tricycle. The vehicle 10 preferably does not include a prime mover, a pedal or the like, and a driver obtains a propulsive force for advancing by kicking the vehicle running surface 8 or the like, but a pedal for driving the front wheel 12 It may be provided. As a prime mover that drives at least one of the front wheel 12 and the rear wheel 14, for example, an electric motor or the like may be provided.

The steering pole 24 is preferably provided so as to be rotatable relative to the front frame 18 around the axis and not movable relative to the axis. The front wheel 12 is a known wheel that can be rolled about the axle 12a. The front wheel 12 is attached to the lower end of the steering pole 24 in the vertical direction of the vehicle, that is, the end on the vehicle running surface 8 side so as to roll around the axle 12a. With such a configuration, preferably, the angle of the axle 12a of the front wheel 12 relative to the front frame 18, that is, the steering angle can be changed in accordance with the relative rotation around the axis of the steering pole 24 with respect to the front frame 18. It is configured. The rear wheel 14 is a known wheel that can be rolled about the axle 14a. The rear wheel 14 is attached to an end of the rear frame 20 opposite to the main frame 16 so as to be able to roll around the axle 14a.

As shown in FIG. 1, the main frame 16 has a short side portion 16a and a length that forms a specified angle with respect to the short side portion 16a when viewed in a side view, that is, in a vehicle left-right direction (vehicle width direction). The side part 16b is provided and comprised. The prescribed angle is preferably an obtuse angle, for example, about 120 °. In the state shown in FIG. 1 where the driver is driving in a sitting position, the short side portion 16a is disposed on the vehicle running surface 8 side, and the long side portion 16b is disposed on the vehicle vertical direction upper side. That is, the main frame 16 is configured in a substantially L shape (reverse L shape) with the vehicle running surface 8 side as a short side in a side view.

FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1, and corresponds to a front view of the rear configuration of the vehicle 10 as viewed from the front side in the vehicle front-rear direction. As shown in FIGS. 1 and 2, the main frame 16 preferably includes a pair of members each having the short side portion 16a and the long side portion 16b and configured in a substantially L shape. 10 are arranged in parallel in the left-right direction. Although not shown in FIG. 2, the main frame 16 is preferably provided with a plate-like member in a portion between the pair of members that does not affect (does not interfere with) the folding of the vehicle 10. ing. Specifically, the flat plate-like member is stretched over a portion that will be described later with reference to FIG. With such a configuration, in a state where the driver is driving in a standing posture, that is, in a state shown in FIG. 3 to be described later, the driver gets on the flat plate member provided between the pair of members. )be able to.

As shown in FIG. 1, the front frame 18 is a shell-like member provided on the vehicle vertical direction upper side with respect to the front wheel 12, and corresponds to a wheel guard member of the front wheel 12. The front frame 18 is provided on the front side in the vehicle front-rear direction with respect to the main frame 16, that is, on the front wheel 12 side. The front frame 18 is connected to the main frame 16 at a first connecting portion 26. In other words, the main frame 16 is connected to the front frame 18 at the first connecting portion 26. A detailed configuration of the first connecting portion 26 will be described later with reference to FIG.

As shown in FIG. 1, the rear frame 20 is provided on the rear side in the vehicle front-rear direction and on the lower side in the vehicle vertical direction with respect to the main frame 16. As shown in FIGS. 1 and 2, the rear frame 20 is preferably configured such that a pair of members each having a longitudinal shape are juxtaposed in the left-right direction of the vehicle 10. Preferably, the pair of members are provided on the outer side in the left-right direction with respect to the main frame 16. The rear frame 20 is connected to the main frame 16 at the second connecting portion 28. Specifically, the rear frame 20 is attached to a shaft member 32 provided on the main frame 16 at the end opposite to the side on which the rear wheel 14 is attached. The rear frame 20 is provided to be rotatable relative to the main frame 16 around the axis of the shaft member 32.

The second connecting portion 28 is switched between a variable state in which the relative rotation of the rear frame 20 with respect to the main frame 16 and a locked state in which the rotation cannot be performed by a lock mechanism (not shown). It is configured. As the lock mechanism, for example, a known configuration such as a fastening mechanism using a lever, a screw mechanism, a meshing gear mechanism, or the like is appropriately used (the same applies to the description of the third connecting portion 30). That is, in the variable state, the rear frame 20 is rotatable relative to the main frame 16 around the axis of the shaft member 32. In the locked state, the rear frame 20 is not rotatable relative to the main frame 16 around the axis of the shaft member 32. The locked state is established when the main frame 16 and the rear frame 20 are at a predetermined angle, but may not be established in other cases. Preferably, (a) the angle between the main frame 16 and the rear frame 20 in a state where the driver shown in FIG. 1 drives in a sitting position, and (b) the driver shown in FIG. 3 drives in a standing position. The angle between the main frame 16 and the rear frame 20 in the state and (c) the angle between the main frame 16 and the rear frame 20 in the state in which the vehicle 10 shown in FIG. The state may be established. The locked state may not be established corresponding to the angle between the main frame 16 and the rear frame 20 when the vehicle 10 of (c) is folded.

The seat portion 22 corresponds to a so-called saddle on which the driver sits in a state where the driver shown in FIG. The seat portion 22 is attached to an end of the main frame 16 on the upper side in the vehicle vertical direction. The seat portion 22 is connected to the main frame 16 at the third connecting portion 30. Specifically, the seat portion 22 is attached to a shaft member 34 provided on the main frame 16 at an end of the main frame 16 on the upper side in the vehicle vertical direction. The seat portion 22 is provided to be rotatable relative to the main frame 16 around the axis of the shaft member 34.

The third connecting portion 30 is switched by a lock mechanism (not shown) between a variable state in which the seat portion 22 can be rotated relative to the main frame 16 and a locked state in which the rotation is disabled. It is configured. That is, in the variable state, the seat portion 22 is rotatable relative to the main frame 16 around the axis of the shaft member 34. In the locked state, the seat portion 22 is not rotatable relative to the main frame 16 around the axis of the shaft member 34. The locked state is established when the main frame 16 and the seat portion 22 are at a predetermined angle, but may not be established in other cases. Preferably, (a) the angle between the main frame 16 and the seat portion 22 in a state where the driver shown in FIG. 1 drives in a sitting position, and (b) the driver shown in FIG. 3 drives in a standing position. The angle between the main frame 16 and the seat portion 22 in the state, and (c) the angle between the main frame 16 and the seat portion 22 in the folded state of the vehicle 10 shown in FIG. The state may be established. The locked state may not be established corresponding to the angle between the main frame 16 and the seat portion 22 when the vehicle 10 of (c) is folded.

FIG. 3 is a side view schematically illustrating the configuration of the vehicle 10 and illustrates a state in which the driver is driving in a standing posture. In FIG. 3, the state in which the driver is driving in the sitting position is indicated by a one-dot chain line. FIG. 4 is an enlarged view showing the vicinity of the first connecting portion 24 in FIG. As shown in FIG. 4, the first connecting portion 26 includes a guide portion 36 that guides a connecting portion of the front frame 18 with respect to the main frame 16 between a first position and a second position. An end of the guide portion 36 on the rear side in the vehicle front-rear direction corresponds to the first position, and an end portion on the front side in the vehicle front-rear direction corresponds to the second position. The guide portion 36 is preferably a groove portion formed in a side portion of the front frame 18 in the vehicle left-right direction. Preferably, as shown in FIG. 4, it is a substantially arc-shaped groove portion having a center of curvature on the front wheel 12 side. A shaft member 38 is provided at the end of the main frame 16 on the short side 16a side so as to protrude outward in the vehicle left-right direction. By fitting the shaft member 38 into the guide portion 36, the main frame 16 is connected to the front frame 18 so as to be rotatable around the shaft member 38. In other words, the front frame 18 has

notches

36a and 36b that fix the shaft member 38 at both ends, while the shaft member 38 provided in the front and rear direction of the main frame 16 in the vehicle front-rear direction is slid in a substantially arc shape. The guide portion 36 is provided as a groove portion provided in the above. In FIG. 4, the notch 36a corresponds to the first position, and the notch 36b corresponds to the second position. The guide portion 36 is not necessarily a groove portion, and may be, for example, a rail formed on the inner side of the front frame 18, that is, on the main frame 16 side.

As shown in FIG. 4, the notch 36a corresponding to the first position is formed at an end of the guide portion 36 on the vehicle vertical direction lower side and the vehicle front-rear direction rear side. The notch 36a corresponds to a notch that is cut out from the end portion toward the rear side in the vehicle front-rear direction and has a width at which the shaft member 38 is fitted (dropped). The notch 36b corresponding to the second position is formed at an end of the guide portion 36 on the vehicle vertical direction upper side and the vehicle front-rear direction front side. The notch 36b corresponds to a notch that is cut out from the end portion toward the lower side in the vertical direction of the vehicle and has a width that allows at least the shaft member 38 to be fitted. When the shaft member 38 is fitted into the notch 36a or the notch 36b, the movement of the shaft member 38 in the guide portion 36 is suppressed. Preferably, in a state where the shaft member 38 in the main frame 16 is fitted in the notch 36a, a state in which the shaft member 38 is prevented from being detached from the notch 36a by a switching mechanism (not shown); The state in which the shaft member 38 is allowed to be detached from the notch 36a is switched. In a state where the shaft member 38 in the main frame 16 is fitted in the notch 36b, a state in which the shaft member 38 is prevented from being detached from the notch 36b by a switching mechanism (not shown), and from the notch 36b. The state in which the shaft member 38 is allowed to be detached is switched. The lock mechanism described below may have the function of the switching mechanism.

The first connecting portion 26 is preferably in a variable state in which the front frame 18 can be rotated with respect to the main frame 16 and cannot be rotated by a lock mechanism (not shown) in the first position. The lock state can be switched. That is, in a state where the shaft member 38 in the main frame 16 is fitted in the notch 36a, a variable state that allows the front frame 18 to rotate with respect to the main frame 16, and a lock that disables the rotation. The state can be switched. The first connecting portion 26 is preferably in a variable state in which the front frame 18 can be rotated with respect to the main frame 16 and cannot be rotated by a lock mechanism (not shown) in the second position. The lock state can be switched. That is, in a state where the shaft member 38 in the main frame 16 is fitted in the notch 36b, a variable state that allows the front frame 18 to rotate with respect to the main frame 16, and a lock that disables the rotation. The state can be switched.

In the vehicle 10, a state in which the driver drives in a sitting position is established by connecting the front frame 18 to the main frame 16 at the first position in the first connecting portion 26. . In other words, when the shaft member 38 in the main frame 16 is connected to the notch 36a, a state in which the driver operates in a sitting position is established. That is, FIG. 1 and FIG. 2 illustrate a state in which the connecting portion of the front frame 18 with respect to the main frame 16 is in the first position in the first connecting portion 26. As shown in FIG. 1, in the vehicle 10, when the connecting portion of the front frame 18 with respect to the main frame 16 is set to the first position in the first connecting portion 26, the main frame 16 moves to the vehicle. The surface 8 is configured to have a specified angle (for example, about 60 °). Preferably, the long side portion 16 b of the main frame 16 is configured to have a specified angle with respect to the vehicle travel surface 8. In the vehicle 10, when the connection portion of the front frame 18 with respect to the main frame 16 is set to the first position in the first connection portion 26, the short side portion 16 a of the main frame 16 becomes the vehicle running surface. 8 is configured to be parallel to the number 8. Here, the short side portion 16a and the like are parallel to the vehicle running surface 8 are in a positional relationship such that the short side portion 16a and the like and the vehicle running surface 8 can be regarded as substantially parallel (substantially parallel). It does not have to be parallel in the strict sense. This is the same in the following description.

In the vehicle 10, in the first connecting portion 26, the connecting portion of the front frame 18 with respect to the main frame 16 is set to the second position, so that a state in which the driver drives in a standing posture is established. It is done. In other words, when the shaft member 38 in the main frame 16 is connected to the notch 36b, a state in which the driver operates in a standing posture is established. 5 is a cross-sectional view taken along line VV in FIG. 3, and corresponds to a front view of the rear configuration of the vehicle 10 as viewed from the front side in the vehicle front-rear direction. That is, FIGS. 3 to 5 illustrate a state where the connection portion of the front frame 18 with respect to the main frame 16 is in the second position in the first connection portion 26. As shown in FIG. 3, in the vehicle 10, when the connecting portion of the front frame 18 with respect to the main frame 16 is set to the second position in the first connecting portion 26, the main frame 16 is driven by the vehicle. It is configured to be parallel to the surface 8. Preferably, the long side portion 16 b of the main frame 16 is configured to be parallel to the vehicle travel surface 8. In the vehicle 10, when the connecting portion of the front frame 18 with respect to the main frame 16 is set to the second position in the first connecting portion 26, the short side portion 16 a of the main frame 16 is the vehicle running surface. 8 is configured to have a specified angle (for example, 60 °).

As shown in FIGS. 1 and 3, in the first connecting portion 26, the front frame 18 is connected to the main frame 16 in any of the first position and the second position. The seat surface of the seat portion 22 is configured to be parallel to the vehicle travel surface 8. That is, when the vehicle 10 is in a state in which the driver is driven in a sitting position as shown in FIG. 1 or in a state in which the driver is driven in a standing position as shown in FIG. The seat surface of the seat portion 22 is configured to be parallel to the vehicle travel surface 8. Preferably, the angle at which the locked state is established in the first connecting portion 26, the second connecting portion 28, and the third connecting portion 30 determines that the seat surface of the seat portion 22 is separated from the vehicle running surface 8. The angle is considered to be parallel.

In the first connecting portion 26, when the connecting portion of the front frame 18 with respect to the main frame 16 is set to the second position, as shown in FIG. Stored between. In other words, the main frame 16 is positioned between the pair of members. In other words, it is stored between the pair of members and between the pair of rear wheels 14. In order to realize such a configuration, as shown in FIG. 5, the width dimension of the seat portion 22 (the dimension in the vehicle left-right direction, the same in the following description) W2 is defined between the pair of members constituting the main frame 16. The width dimension between them is less than W1. As described above, when the vehicle 10 is in a state where the driver is driving in a standing posture, the seat portion 22 is stored between the main frames 16, so that the main frame 16 and The seat surface of the seat portion 22 is substantially flat (flat). Thus, as a so-called kickboard in which the driver obtains a propulsive force in the forward direction by kicking the vehicle running surface 8 in a standing posture where the driver stands on the seating surface of the main frame 16 and the seat portion 22. Can be realized.

7 and 8 are front views illustrating other preferred forms of the seat portion provided in the vehicle 10. FIG. 7 corresponds to the state in which the driver is driving in the sitting posture in the vehicle 10 and corresponds to FIG. 2 described above. FIG. 8 corresponds to the state in which the driver is driving in the standing posture in the vehicle 10 and corresponds to FIG. 5 described above. 7 and 8, the vehicle 10 includes a seat portion 42 corresponding to a so-called saddle on which the driver sits when the driver is driving in a sitting position. The seat portion 42 is connected to the upper end portion of the main frame 16 in the vehicle vertical direction in the third connecting portion 30. As shown in FIG. 7 and FIG. 8, when the connecting portion of the front frame 18 with respect to the main frame 16 is located at the second position on the lower side in the vehicle vertical direction of the seat portion 22, the main frame 16. A storage part (storage space) 42a is formed. The widthwise dimension (inner method) W4 of the storage portion 42a is larger than the width dimension W3 of the main frame 16. With this configuration, the seat portion 42 is attached so as to cover the upper end portion of the main frame 16. In the first connecting portion 26, when the connecting portion of the front frame 18 with respect to the main frame 16 is in the second position, at least a part of the main frame 16 is the storage portion 42a in the seat portion 42. (Stored). As a result, the seating surfaces of the main frame 16 and the seat portion 42 are substantially flat, and the driver is in the standing posture while standing on the seating surfaces of the main frame 16 and the seat portion 42. A form as a so-called kick board that obtains a propulsive force in the forward direction by kicking the running surface 8 can be realized.

FIG. 6 is a side view schematically illustrating the configuration of the vehicle 10 and illustrates a state in which the vehicle 10 is folded. As described above, in the first position, the first connecting portion 26 switches between a variable state in which the front frame 18 can be rotated with respect to the main frame 16 and a locked state in which the rotation is impossible. It is configured to be. Therefore, when the vehicle 10 is stored, the lock of the first connecting portion 26 is released to be in the variable state, and the main frame 16 is rotated toward the front frame 18 as shown in FIG. Thus, the vehicle 10 can be easily folded. In the present embodiment, in the state in which the shaft member 38 in the main frame 16 is fitted in the notch 36a which is the first position, the main frame 16 is rotated toward the front frame 18 to thereby move the vehicle. 10, the main frame 16 is rotated to the front frame 18 side in a state where the shaft member 38 in the main frame 16 is fitted in the notch 36b which is the second position. Thus, the vehicle 10 may be configured to be folded.

According to this embodiment, the front frame 18 is connected to the main frame 16 at the first connecting portion 26, and the rear frame 20 is connected to the main frame 16 at the second connecting portion 28, and the seat portion 22 is connected to the main frame 16 at the third connecting portion 30, and the second connecting portion 28 is in a variable state that allows the rear frame 20 to rotate with respect to the main frame 16, and cannot rotate. The third connecting portion 30 is switched between a variable state that allows the seat portion 22 to rotate relative to the main frame 16 and a locked state that disables the rotation. The first connecting portion 26 is a first connecting portion 26 for connecting the front frame 18 to the main frame 16 as a first portion. A guide portion 36 for guiding between the main frame 16 and the second position, and when the connecting portion of the front frame 18 to the main frame 16 is the first position in the first connecting portion 26, the main frame 16 is a predetermined angle with respect to the vehicle running surface 8, and in the first connecting portion 26, when the connecting portion of the front frame 18 to the main frame 16 is set to the second position, the main frame 16 is The seat is parallel to the vehicle travel surface 8 and the first connecting portion 26 is connected to the front frame 18 with respect to the main frame 16 in any of the first position and the second position. Since the portion 22 is parallel to the vehicle running surface 8, the main frame 1 is connected to the first connecting portion 26. Wherein the connecting portion of the front frame 18 by switching between the first position and the second position is readily switched between a state driver to operate in the state and standing position to operate in the sitting attitude to. That is, it is possible to provide the vehicle 10 in which the driver can easily switch between the state of driving in the sitting position and the state of driving in the standing position.

The main frame 16 is configured to include a short side portion 16a and a long side portion 16b that forms a specified angle with respect to the short side portion 16a in a side view, and the first connecting portion. 26, when the connecting portion of the front frame 18 with respect to the main frame 16 is set to the first position, the long side portion 16b is at a specified angle with respect to the vehicle running surface 8, and the first connecting portion 26 When the connecting portion of the front frame 18 with respect to the main frame 16 is in the second position, the long side portion 16b is parallel to the vehicle running surface 8, so that the driver is in a sitting position. In the driving state, the driver's foot can be placed on the short side portion, and the driver's foot can be easily moved when getting on and off.

In the first position, the first connecting portion 26 can be switched between a variable state in which the front frame 18 can be rotated with respect to the main frame 16 and a locked state in which the rotation is impossible. In the first position, the first connecting portion 26 is set in a variable state, and the main frame 16 is rotated toward the front frame 18 so that the vehicle 10 can be folded. By turning the main frame 16 toward the front frame 18 with the connecting portion 26 in a variable state, the vehicle 10 can be suitably folded.

In the first connecting portion 26, when the connecting portion of the front frame 18 with respect to the main frame 16 is in the second position, the seat portion 22 is stored between the main frames 16. In a state where the driver is driving in a standing posture, a sufficient space can be secured at the driver's feet.

The preferred embodiments of the present invention have been described in detail with reference to the drawings. However, the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention. Is.

8: Vehicle running surface, 10: Folding vehicle, 12: Front wheel, 14: Rear wheel, 16: Main frame, 16a: Short side, 16b: Long side, 18: Front frame, 20: Rear frame, 42: seat part, 26: first connecting part, 28: second connecting part, 30: third connecting part, 36: guide part, 36a: notch (first position), 36b: notch (second position)

Claims

A foldable vehicle including a front wheel, a rear wheel, a main frame, a front frame provided on the front wheel side with respect to the main frame, a rear frame to which the rear wheel is attached, and a seat portion. There,
The front frame is connected to the main frame at a first connecting portion,
The rear frame is connected to the main frame at a second connecting portion,
The seat portion is connected to the main frame at a third connecting portion,
The second connecting portion is capable of switching between a variable state that enables rotation of the rear frame relative to the main frame and a lock state that disables rotation.
The third connecting portion is capable of switching between a variable state that enables rotation of the seat portion relative to the main frame and a locked state that disables rotation.
The first connecting portion includes a guide portion that guides a connecting portion of the front frame with respect to the main frame between a first position and a second position;
In the first connecting portion, when the connecting portion of the front frame with respect to the main frame is set to the first position, the main frame is set to a specified angle with respect to a vehicle traveling surface,
In the first connecting portion, when the connecting portion of the front frame with respect to the main frame is set to the second position, the main frame is parallel to the vehicle traveling surface,
In the first connecting portion, the seat portion is parallel to the vehicle running surface regardless of whether the connecting portion of the front frame with respect to the main frame is in the first position or the second position. Features a folding vehicle.
The main frame is configured to include a short side portion and a long side portion forming a specified angle with respect to the short side portion in a side view,
In the first connecting portion, when the connecting portion of the front frame with respect to the main frame is set to the first position, the long side portion is set to a predetermined angle with respect to the vehicle running surface,
2. The foldable vehicle according to claim 1, wherein, in the first connecting portion, when the connecting portion of the front frame with respect to the main frame is set to the second position, the long side portion is parallel to a vehicle traveling surface.
In the first position, the first connecting portion is switched between a variable state in which the front frame can be rotated with respect to the main frame and a locked state in which the rotation is impossible.
3. The foldable type according to claim 1, wherein the foldable vehicle can be folded by setting the first connecting portion in a variable state at the first position and rotating the main frame toward the front frame. vehicle.
The seat part is stored between the main frames when the connecting part of the front frame with respect to the main frame is set to the second position in the first connecting part. The foldable vehicle according to item.