Vehicles and vehicle parts

Abstract

To provide a vehicle and vehicle parts having high storage capacity. [Solution] The vehicle 1 has a front unit 10 having front wheels 11, a rear unit 20 having rear wheels 21, and a connection part 30 provided between the front unit 10 and the rear unit 20 to separably connect the front unit 10 and the rear unit 20. The vehicle 1 is configured to be able to run when the front unit 10 and the rear unit 20 are connected by the connection part 30.

Description

[Technical Field]

[0001] The present invention relates to a vehicle and a vehicle part. [Background technology]

[0002] BACKGROUND ART In recent years, various technologies have been proposed for folding vehicles such as folding bicycles (for example, Patent Document 1, etc.). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2008-132955 Summary of the Invention [Problem to be solved by the invention]

[0004] Such folding vehicles are often stored in a folded state, and it is therefore desirable to provide vehicles and vehicle components that have high storage capacity. [Means for solving the problem]

[0005] The above object of the present invention can be achieved by the following.

[0006] (1) A vehicle comprising a front unit having front wheels, a rear unit having rear wheels, and a connection part provided between the front unit and the rear unit that separably connects the front unit and the rear unit, and capable of running when the front unit and the rear unit are connected by the connection part.

[0007] (2) The vehicle according to (1) above, wherein the front unit includes a front frame to which the front wheels are attached and a steering device that accepts steering by the occupant.

[0008] (3) The vehicle according to (1) or (2) above, wherein the rear unit includes a rear frame to which the rear wheels are attached and a passenger support portion capable of supporting an occupant.

[0009] (4) The vehicle according to (2) above, further comprising a steering fixing portion that can prevent rotation of the steering device when the front unit and the rear unit are separated.

[0010] (5) A vehicle described in (4) above, wherein the steering device includes a handle gripped by the occupant and a handle post extending between the handle and the front frame, and the steering fixing portion includes a first bending mechanism that configures the handle post to bendable, and a second bending mechanism that configures the handle to bendable.

[0011] (6) The vehicle according to (1) or (2) above, further comprising a motor that drives at least one of the front wheels and the rear wheels, and a battery that supplies power to the motor.

[0012] (7) The vehicle according to (6) above, wherein the battery and the motor are provided in the rear unit.

[0013] (8) The vehicle according to (6) above, wherein the battery is provided in the front unit and the motor is provided in the rear unit.

[0014] (9) The vehicle according to (7) or (8) above, further comprising an electromagnetic brake mechanism that uses the motor to electromagnetically brake the rear wheels.

[0015] (10) The vehicle according to (6) above, wherein the battery and the motor are provided in the front unit.

[0016] (11) The vehicle according to (6) above, wherein the motor is provided in the front unit and the battery is provided in the rear unit.

[0017] (12) The vehicle according to (10) or (11) above, further comprising an electromagnetic brake mechanism that uses the motor to electromagnetically brake the front wheels.

[0018] (13) The vehicle according to (12) above, further comprising a mechanical brake mechanism for mechanically braking the rear wheels, and a wire for detachably connecting the rear wheels and the front unit.

[0019] (14) The vehicle according to (6) above, wherein the connection portion includes a connector that electrically connects the front unit and the rear unit.

[0020] (15) The vehicle according to (1), (2) or (6) above, further comprising a first control unit that controls the vehicle so that it cannot travel when the front unit and the rear unit are separated.

[0021] (16) The vehicle according to (6) above, further comprising a second control unit that varies output control of the motor depending on the type of the front unit connected to the connection unit.

[0022] (17) A vehicle as described in (1) or (2) above, further comprising an insertion member that can be inserted between the front unit and the rear unit when the front unit and the rear unit are connected by the connection portion.

[0023] (18) The vehicle according to (1) or (2) above, further comprising a bundling member that holds the front unit and the rear unit together when the front unit and the rear unit are separated.

[0024] (19) A vehicle part comprising: a front unit to which a front wheel can be attached; a rear unit to which a rear wheel can be attached; and a connecting portion provided between the front unit and the rear unit, which connects the front unit and the rear unit in a separable manner. [Effects of the Invention]

[0025] In the vehicle and vehicle parts according to the present invention, the front unit and the rear unit are configured to be separable, so that the vehicle user can store the front unit and the rear unit in a separated state. This increases the degree of freedom in arranging the front unit and the rear unit. Therefore, it is possible to improve the storage efficiency of the vehicle and vehicle parts. [Brief explanation of the drawings]

[0026] [Figure 1] 1 is a side view illustrating an example of a configuration of a vehicle according to an embodiment in a state where the vehicle is ready to travel. [Figure 2] 2 is a side view illustrating an example of a state in which the front unit and the rear unit illustrated in FIG. 1 are separated. [Figure 3] 2 is a block diagram illustrating an example of the configuration of a control system for the vehicle shown in FIG. 1. [Figure 4] FIG. 2 is a perspective view illustrating an example of the configuration of the handle shown in FIG. 1 etc. [Figure 5] 2 is a top view illustrating an example of a configuration in the vicinity of a connection portion illustrated in FIG. 1. FIG. [Figure 6A] 3 is a side view showing an example of the arrangement of the front unit and the rear unit shown in FIG. 2. FIG. [Figure 6B] 6B is a top view illustrating an example of the configuration of the front unit and the rear unit illustrated in FIG. 6A. FIG. [Figure 7A] 3 is a side view showing another example of the arrangement of the front unit and the rear unit shown in FIG. 2. FIG. [Figure 7B] 7B is a top view illustrating an example of the configuration of the front unit and the rear unit illustrated in FIG. 7A. FIG. [Figure 8A] 3 is a side view showing another example of the arrangement of the front unit and the rear unit shown in FIG. 2. FIG. [Figure 8B] 8B is a top view illustrating an example of the configuration of the front unit and the rear unit illustrated in FIG. 8A. FIG. [Figure 9A]3 is a side view showing an example of the configuration of a binding member that binds together the front unit and the rear unit shown in FIG. 2. FIG. [Figure 9B] 9B is a top view illustrating an example of the configuration of the front unit, the rear unit, and the binding member illustrated in FIG. 9A. FIG. [Figure 10] FIG. 10 is a side view illustrating an example of the configuration of a vehicle according to Modification 1. [Figure 11] FIG. 10 is a side view illustrating an example of the configuration of a vehicle according to Modification 2. [Figure 12] FIG. 11 is a side view illustrating an example of the configuration of a vehicle according to a third modification. [Figure 13] FIG. 10 is a side view illustrating an example of the configuration of a vehicle according to a fourth modification. [Figure 14] FIG. 11 is a side view illustrating an example of the configuration of a vehicle according to a fifth modification. [Figure 15A] FIG. 13 is a side view showing an example of the configuration of the vicinity of a connection portion of a vehicle according to a sixth modification. [Figure 15B] 15B is a diagram illustrating an example of the configuration of the upper surface in the vicinity of the connection portion illustrated in FIG. 15A. FIG. [Figure 16A] 15B is a partial cross-sectional view illustrating a state in which the front frame and the rear frame illustrated in FIG. 15A are separated. FIG. [Figure 16B] 16B is a partial cross-sectional view illustrating a state in which the front frame and the rear frame illustrated in FIG. 16A are connected together. FIG. [Figure 17A] 15B is another partial cross-sectional view illustrating the state in which the front frame and the rear frame shown in FIG. 15A are separated. FIG. [Figure 17B] 17B is a partial cross-sectional view showing a state in which the front frame and the rear frame shown in FIG. 17A are connected together. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0027] Hereinafter, embodiments of a vehicle and a vehicle component of the present invention will be described with reference to the accompanying drawings. Note that the same reference numerals are used for the same components throughout the drawings. Also, the dimensional proportions in the drawings are exaggerated for the sake of explanation and may differ from the actual proportions.

[0028] [Embodiment] <Vehicle 1 Configuration> Figures 1, 2, and 3 show the configuration of the main parts of a vehicle 1 according to one embodiment. Figure 1 is a side view showing an example of the configuration of vehicle 1 in a state where it is ready to run, and Figure 2 is a side view showing an example of the configuration of vehicle 1 when stored or transported. Figure 3 is a block diagram showing an example of the control system of vehicle 1. Vehicle 1 is, for example, a motorized bicycle. Vehicle 1 is, for example, a specified small motorized bicycle. Vehicle 1 may also be a general motorized bicycle.

[0029] The vehicle 1 mainly has a front unit 10, a rear unit 20, a connection unit 30, and a control unit 100. When the vehicle 1 is in a state where it can travel, the front unit 10 and the rear unit 20 are arranged side by side in the direction of travel of the vehicle 1. The connection unit 30 is provided between the front unit 10 and the rear unit 20. The connection unit 30 connects the front unit 10 and the rear unit 20 so that they can be separated. For example, the front unit 10 and the rear unit 20 can be separated to store the vehicle 1 (FIG. 2).

[0030] In the following description, the direction parallel to the traveling direction of the vehicle 1 may be referred to as the X direction, the direction parallel to the vertical direction as the Z direction, and the direction perpendicular to the X and Z directions as the Y direction.

[0031] The front unit 10 has, for example, front wheels 11, a front frame 12, a steering device 13, headlights 14, and a mechanical brake mechanism 61. The front wheels 11, the steering device 13, and the headlights 14 are attached to the front frame 12. The front wheels 11, the steering device 13, and the headlights 14 may be attached to the front frame 12 directly or indirectly.

[0032] The front wheels 11 are, for example, tires, and are configured to be rotatable. The front frame 12 includes plate-like members and pillar-like members that form the framework of the front unit 10. The front frame 12 includes, for example, pillar-like members that have a predetermined size in the X direction.

[0033] The steering device 13 receives steering input from a passenger. The passenger may be a user of the vehicle 1 or a person other than the user. The steering device 13 includes, for example, a handle 131, a handle post 132, and an operation receiving unit 133.

[0034] FIG. 4 shows an example of a specific configuration of the handle 131. The handle 131 has, for example, a pair of grips 1311R, 1311L. The occupant grips the pair of grips 1311R, 1311L to steer the vehicle 1. The grips 1311R, 1311L have, for example, a rod shape. The grips 1311R, 1311L are configured to be rotatable within the XY plane with the position 131F as a fulcrum. When the occupant rotates the grips 1311R, 1311L, the direction of the front wheels 11 changes and the vehicle 1 is steered.

[0035] When gripped by an occupant, the rod-shaped grip portions 1311R, 1311L extend, for example, in a substantially straight line along the Y direction. The handle 131 has a folding mechanism that configures the grip portions 1311R, 1311L to bend. Specifically, the grip portions 1311R, 1311L each rotate 90 degrees in the XY plane and extend in the X direction (FIG. 4). At this time, the grip portion 1311R rotates in the XY plane around a position 1311RF as a fulcrum, and the grip portion 1311L rotates in the XY plane around a position 1311LF as a fulcrum. The position 1311RF is a position between one end and the other end of the grip portion 1311R, and is fixed, for example, near the position 131F. Position 1311LF is a position between one end and the other end of grip portion 1311L, and is fixed, for example, near position 131F. In this way, by having a folding mechanism in handle 131, it is possible to reduce the space occupied by vehicle 1 in the Y direction when stored.

[0036] The handle post 132 includes, for example, a columnar member. The handle post 132 extends between the front frame 12 and the handle 131. The handle post 132 extends, for example, in a direction intersecting the XY plane. One end of the handle post 132 is attached to the front frame 12 via, for example, an attachment portion 13C. The handle 131 is attached to the other end of the handle post 132. Another member, for example, a handle stem, may be inserted between the other end of the handle post 132 and the handle 131.

[0037] The steering device 13 has a folding mechanism that allows the handle post 132 to be folded. Specifically, the handle post 132 rotates approximately 90° in the XZ plane with the mounting portion 13C as a fulcrum and extends in the X direction (FIG. 2). In this way, by having the steering device 13 have a folding mechanism for the handle post 132, it is possible to reduce the space occupied by the vehicle 1 in the Z direction when stored. Here, this folding mechanism for the handle post 132 corresponds to a specific example of a first folding mechanism of the present invention.

[0038] The vehicle 1 has a steering fixing part that can prevent the rotation of the steering wheel 131 about the position 131F as a fulcrum when, for example, the front unit 10 and the rear unit 20 are separated. By having the steering fixing part in the vehicle 1, when the user transports the vehicle 1, the rotation of the steering wheel 131 is prevented, making it easier to transport the vehicle 1.

[0039] The steering fixing portion includes, for example, a folding mechanism for the handle 131 and a folding mechanism for the handle post 132. Specifically, when the handle post 132 is folded so as to extend in the X direction (FIG. 2), the handle 131 is folded with the front frame 12 sandwiched therebetween, and the grip portions 1311R, 1311L extend substantially in the Z direction. In this arrangement, the presence of the front frame 12 makes it difficult for the handle 131 to rotate. The steering fixing portion may be a belt-like member or the like that prevents the handle 131 from rotating. Here, the folding mechanism for the handle 131 corresponds to a specific example of a second folding mechanism of the present invention.

[0040] The operation reception unit 133 (FIG. 3) is disposed, for example, near the steering wheel 131. The operation reception unit 133 is configured to be able to receive operations from the occupant. By operating the operation reception unit 133, the occupant can perform operations such as turning the power on and off, accelerating and decelerating, and operating the lights of the vehicle 1. The information received by the operation reception unit 133 is sent to the control unit 100.

[0041] The headlight 14 illuminates the area ahead of the vehicle 1. The headlight 14 is attached to the front frame 12 via, for example, an attachment portion 14C. The control unit 100 supplies power to the headlight 14 to cause it to illuminate (FIG. 3). The headlight 14 may be configured to be bendable, for example, around the attachment portion 14C as a fulcrum. Specifically, the headlight 14 rotates approximately 180° in the XZ plane around the attachment portion 14C as a fulcrum, and is stored in a handle post 132 extending in the X direction (FIG. 2). This makes it possible to reduce the space in the Z direction occupied by the vehicle 1 when stored.

[0042] The mechanical brake mechanism 61 mechanically brakes the front wheels 11. For example, the mechanical brake mechanism 61 mechanically stops the rotation of the front wheels 11 in response to an operation of the handlebars 131 by the rider. For example, the mechanical brake mechanism 61 includes a wire that connects the operation receiving unit 133 and the front wheels 11.

[0043] The rear unit 20 has, for example, a rear wheel 21, a rear frame 22, a riding support portion 23, a rear reflector 24, a license plate 25, a tail light 26, a battery 40, a motor 50, and an electromagnetic brake mechanism 62. The rear wheel 21, the rear frame 22, the riding support portion 23, the rear reflector 24, the license plate 25, and the tail light 26 are attached to the rear frame 22. The rear wheel 21, the rear frame 22, the riding support portion 23, the rear reflector 24, the license plate 25, and the tail light 26 may be attached directly or indirectly to the rear frame 22.

[0044] The rear wheels 21 are, for example, tires and are configured to be rotatable. The rear frame 22 includes plate-like members and column-like members that form the framework of the rear unit 20. The rear frame 22 includes, for example, column-like members that have a predetermined size in the X direction.

[0045] The riding support portion 23 is configured to be able to support a rider. The riding support portion 23 includes, for example, a saddle 231 and a seat post 232. The saddle 231 has a shape that allows a rider to sit on it. When riding, the rider sits on the saddle 231 and drives the vehicle 1. The riding support portion 23 may have a seat instead of the saddle 231.

[0046] The seat post 232 includes, for example, a pillar-shaped member. The seat post 232 extends between the rear frame 22 and the saddle 231. The seat post 232 extends, for example, in a direction intersecting the XY plane. The size of the seat post 232 in the extension direction is configured to be adjustable. One end of the seat post 232 is attached, for example, to the rear frame 22. The saddle 231 is attached to the other end of the seat post 232.

[0047] The rear reflector 24 reflects light from behind the vehicle 1, and the taillights 26 illuminate the area behind the vehicle 1. The control unit 100 supplies power to the taillights 26 to illuminate them (FIG. 3). The license plate 25 bears a number, symbol, etc. specific to the vehicle 1.

[0048] The battery 40 supplies power to the motor 50, the lights, the operation reception unit 133, etc. The battery 40 supplies power to the motor 50, the lights, the operation reception unit 133, etc. based on a signal from the control unit 100, for example. The battery 40 is housed in the seat post 232, for example.

[0049] The motor 50 generates power using the electric power supplied from the battery 40. The motor 50 is attached to, for example, the rear wheel 21, and drives the rear wheel 21.

[0050] The electromagnetic brake mechanism 62 uses the motor 50 to electromagnetically brake the rear wheel 21. For example, in response to an operation by the rider on the operation reception unit 133, the electromagnetic brake mechanism 62 electromagnetically stops the rotation of the rear wheel 21.

[0051] It is preferable that the mechanical brake mechanism 61 and the electromagnetic brake mechanism 62 are configured to operate in conjunction with each other. This makes it possible to prevent the occurrence of jackknife phenomenon and the like caused by differences in the braking effectiveness between the mechanical brake mechanism 61 and the electromagnetic brake mechanism 62.

[0052] The front unit 10 and the rear unit 20 are connected by a connection part 30. The connection part 30 mechanically couples the front unit 10 and the rear unit 20. Furthermore, the connection part 30 electrically connects the front unit 10 and the rear unit 20. When the front unit 10 and the rear unit 20 are connected by the connection part 30, the vehicle 1 is in a state where it can travel. When the front unit 10 and the rear unit 20 are separated, the vehicle 1 is in a state where it cannot travel.

[0053] In this embodiment, since the vehicle 1 has this connection portion 30, the user can freely select between a state in which the front unit 10 and the rear unit 20 are connected and a state in which they are separated. When the front unit 10 and the rear unit 20 are separated, the effect of a force applied to one unit does not extend to the other unit. In other words, when the front unit 10 and the rear unit 20 are separated, the user can handle the front unit 10 and the rear unit 20 separately.

[0054] 5 shows an example of the configuration near the connection unit 30. The connection unit 30 includes, for example, a coupling portion 31 and a connector 32. The coupling portion 31 serves to mechanically couple the front unit 10 and the rear unit 20, and includes a front-side coupling portion 311 and a rear-side coupling portion 312. The connector 32 serves to electrically connect the front unit 10 and the rear unit 20, and includes a front-side connector 321 and a rear-side connector 322.

[0055] The front-side connecting portion 311 is attached, for example, to an end portion of the front frame 12. The rear-side connecting portion 312 is attached, for example, to an end portion of the rear frame 22. The front-side connecting portion 311 and the rear-side connecting portion 312 have shapes that allow them to fit together. By fitting the front-side connecting portion 311 and the rear-side connecting portion 312 together, the front unit 10 and the rear unit 20 are mechanically connected together.

[0056] The front side connector 321 is attached, for example, near an end of the front frame 12. The front side connector 321 is electrically connected, for example, to the operation reception unit 133 and the headlights 14, etc. The rear side connector 322 is attached, for example, near an end of the rear frame 22. The rear side connector 322 is electrically connected, for example, to the battery 40. The front side connector 321 and the rear side connector 322 have shapes that allow them to fit together. By fitting the front side connector 321 and the rear side connector 322 together, the front unit 10 and the rear unit 20 are electrically connected.

[0057] The control unit 100 controls the battery 40, the motor 50, the connector 32, the operation reception unit 133, and the lights (FIG. 3). The lights include, for example, the headlights 14 and the taillights 26. The control unit 100 controls the operation of the battery 40 and the motor 50 in accordance with, for example, an operation received by the operation reception unit 133.

[0058] The control unit 100 controls the vehicle 1 so that it cannot run while the front unit 10 and the rear unit 20 are not connected. For example, when the front connector 321 and the rear connector 322 are not mated, power is not supplied from the battery 40 to the operation reception unit 133. Therefore, the occupant cannot turn on the power of the vehicle 1 from the operation reception unit 133, and the vehicle 1 becomes unable to run.

[0059] <Vehicle 1 storage status> 6A to 8B show an example of a stored state of the vehicle 1. When the front unit 10 and the rear unit 20 are separated, the user can freely arrange and store the front unit 10 and the rear unit 20. At this time, for example, the handle post 132 and the handle 131 are bent to prevent the handle 131 from rotating (FIG. 2). The size of the seat post 232 in the extension direction is adjusted to its smallest (FIG. 2). This allows the space occupied by the vehicle 1 to be minimized when stored.

[0060] 6A and 6B show a state in which the front unit 10 and the rear unit 20 are aligned in the X direction and arranged side by side in the Y direction. By arranging them in this manner, the space occupied by the vehicle 1 in the X direction can be reduced.

[0061] 7A and 7B show a state in which the front unit 10 and the rear unit 20 are aligned in the Y direction and arranged side by side in the X direction. In this state, for example, a portion of the front unit 10 and a portion of the rear unit 20 overlap in the X direction. By arranging them in this manner, the space occupied by the vehicle 1 in the X direction can be reduced.

[0062] 8A and 8B show a state in which the front unit 10 and the rear unit 20 are aligned in the X and Y directions and arranged side by side in the Z direction. By arranging them in this manner, the space occupied by the vehicle 1 in the X and Y directions can be reduced.

[0063] The vehicle 1 may further include a binding member that can be used during storage.

[0064] 9A and 9B show an example of the configuration of the binding member 70. The binding member 70 serves to hold the front unit 10 and the rear unit 20 together when the front unit 10 and the rear unit 20 are separated. This makes it easier for the user to transport the separated front unit 10 and rear unit 20.

[0065] For example, a portion of each of the front unit 10 and the rear unit 20 is housed in the binding member 70. The front unit 10 and the rear unit 20 are housed in the binding member 70 so that the rotational direction of the front wheels 11 and the rotational direction of the rear wheels 21 are parallel to each other. The binding member 70 preferably has a handle. This allows the user to easily transport the vehicle 1 housed in the binding member 70.

[0066] <Effects of Vehicle 1> In the vehicle 1 according to this embodiment, the front unit 10 and the rear unit 20 are configured to be separable, so the user can store the front unit 10 and the rear unit 20 in a separated state. This improves the degree of freedom in arranging the front unit 10 and the rear unit 20. Therefore, it is possible to improve the storage capacity of the vehicle 1.

[0067] Furthermore, the user can carry the separated front unit 10 and rear unit 20 separately. Therefore, the user can easily carry the vehicle 1 with less force.

[0068] Furthermore, since the vehicle 1 does not require a complex folding mechanism, it is possible to improve the storage capacity of the vehicle 1 and maintain a high level of design.

[0069] In addition, the user can select a preferred combination from a variety of combinations of the front unit 10 and the rear unit 20. For example, the user can select the color of the front unit 10 and the color of the rear unit 20, respectively.

[0070] Furthermore, in vehicle 1, battery 40 and motor 50 are provided in rear unit 20. This allows power to be supplied from battery 40 to motor 50 without going through connector 32. This makes it possible to reduce the load on connector 32 caused by the large current supplied from battery 40 to motor 50.

[0071] Furthermore, in the vehicle 1, the rear wheels 21 are braked by the electromagnetic brake mechanism 62. This eliminates the need for a wire to mechanically brake the rear wheels 21. More specifically, this eliminates the need for a wire to connect the operation acceptance unit 133 of the front unit 10 to the rear wheels 21. This makes it easier to separate the front unit 10 and the rear unit 20.

[0072] As described above, in the vehicle 1 according to this embodiment, the front unit 10 and the rear unit 20 are configured to be separable, so that the storage capacity of the vehicle 1 can be improved.

[0073] Modifications of the above embodiment will be described below, but the same components as those in the above embodiment will be given the same reference numerals and descriptions thereof will be omitted.

[0074] [Variation 1] 10 shows an example of the configuration of vehicle 1 according to Modification 1. This vehicle 1 has an insertion member 80 provided between the front coupling portion 311 and the rear coupling portion 312. Except for this point, vehicle 1 according to Modification 1 has the same configuration as vehicle 1 described in the above embodiment, and provides the same effects.

[0075] The insertion member 80 is configured to be insertable between the front unit 10 and the rear unit 20 when the front unit 10 and the rear unit 20 are connected by the connection portion 30. The insertion member 80 includes, for example, a columnar member having a predetermined size in the X direction. The insertion member 80 is made of, for example, the same material as the front frame 12 and the rear frame 22. The insertion member 80 functions as a frame of the vehicle 1 together with the front frame 12 and the rear frame 22.

[0076] By providing this inserting member 80 between the front unit 10 and the rear unit 20, it becomes possible to adjust the distance between the front unit 10 and the rear unit 20. Therefore, it becomes possible to adjust the size of the vehicle 1 in accordance with the physique of the occupant, etc.

[0077] [Variation 2] 11 shows an example of the configuration of vehicle 1 according to Modification 2. This vehicle 1 is a transport cart. Except for this point, vehicle 1 according to Modification 2 has the same configuration as vehicle 1 described in the above embodiment, and provides the same effects.

[0078] The vehicle 1 has a front unit 90 instead of the front unit 10 of the above embodiment. The front unit 90 has front wheels 91, a front frame 92, a steering device 93, and a basket 94. The front wheels 91, the front frame 92, and the steering device 93 have the same configurations and functions as the front wheels 11, the front frame 12, and the steering device 13.

[0079] The basket 94 is configured to be able to carry cargo such as materials. The basket 94 is attached to, for example, the front frame 92. For example, the basket 94 has front wheels 91 attached thereto.

[0080] The vehicle 1 may be a vehicle other than a transport cart, such as a stroller, a vehicle for transporting pets, or a vehicle used for various purposes such as cleaning work, farm work, lawn mowing, snow removal, construction work, etc. With this vehicle 1, for example, it is possible to change the type of vehicle 1 by selecting a front unit according to the purpose from among multiple types of front units.

[0081] The control unit 100 may control the output of the motor 50 differently depending on the type of front unit connected to the connection unit 30. The control unit 100 controls the output of the motor 50, for example, by detecting the type of front unit connected to the connection unit 30. For example, when a front unit 90 is connected to the connection unit 30, the control unit 100 reduces the output of the motor 50 compared to when a front unit 10 is connected to the connection unit 30. Alternatively, when a specific front unit is connected to the connection unit 30, the control unit 100 may increase the output of the motor 50 compared to when a front unit 10 is connected to the connection unit 30.

[0082] [Variation 3] 12 shows an example of the configuration of vehicle 1 according to Modification 3. In this vehicle 1, a battery 40 and a motor 50 are provided in a front unit 10. Except for this, vehicle 1 according to Modification 3 has the same configuration as vehicle 1 described in the above embodiment, and provides the same effects.

[0083] The battery 40 is housed, for example, in the front frame 12. The motor 50 is attached, for example, to the front wheel 11 and drives the front wheel 11. The electromagnetic brake mechanism 62 uses the motor 50 to electromagnetically brake the front wheel 11. The mechanical brake mechanism 61 mechanically brakes the rear wheel 21. In this case, the mechanical brake mechanism 61 includes a wire that connects the operation reception unit 133 of the front unit 10 to the rear wheel 21. It is preferable that this wire connects the front unit 10 and the rear wheel 21 in a detachable manner. This makes it easier to separate the front unit 10 and the rear unit 20.

[0084] The control unit 100 controls the vehicle 1 so that it cannot run while the front unit 10 and the rear unit 20 are not connected. For example, when the front connector 321 and the rear connector 322 are not mated, the control unit 100 detects that power is not being supplied to the taillights 26 and the like, and controls the battery 40 so that power is not supplied to the motor 50. Therefore, the vehicle 1 cannot run.

[0085] [Variation 4] 13 shows an example of the configuration of a vehicle 1 according to Modification 4. In this vehicle 1, a battery 40 is provided in the front unit 10, and a motor 50 is provided in the rear unit 20. Except for this, the vehicle 1 according to Modification 4 has the same configuration as the vehicle 1 described in the above embodiment, and provides the same effects and advantages.

[0086] The battery 40 is housed, for example, in the front frame 12. The motor 50 is attached, for example, to the rear wheel 21 and drives the rear wheel 21. The electromagnetic brake mechanism 62 uses the motor 50 to electromagnetically brake the rear wheel 21. The mechanical brake mechanism 61 mechanically brakes the front wheel 11. For example, as described in the third modification example above, the control unit 100 controls the vehicle 1 to be unable to travel while the front unit 10 and the rear unit 20 are not connected.

[0087] In such a vehicle 1, the battery 40 and the motor 50 are provided separately, so the weight of the front unit 10 and the rear unit 20 is less likely to be concentrated on one side. This makes it easier for the user to transport the front unit 10 and the rear unit 20 in a separated state.

[0088] [Variation 5] 14 shows an example of the configuration of a vehicle 1 according to Modification 5. In this vehicle 1, a motor 50 is provided in the front unit 10, and a battery 40 is provided in the rear unit 20. Except for this, the vehicle 1 according to Modification 5 has the same configuration as the vehicle 1 described in the above embodiment, and provides the same effects and advantages.

[0089] The battery 40 is housed, for example, in the seat post 232. The motor 50 is attached, for example, to the front wheel 11 and drives the front wheel 11. The electromagnetic brake mechanism 62 uses the motor 50 to electromagnetically brake the front wheel 11. The mechanical brake mechanism 61 mechanically brakes the rear wheel 21. In this case, the mechanical brake mechanism 61 includes a wire that connects the handlebars 131 and the rear wheel 21. It is preferable that this wire connects the handlebars 131 and the rear wheel 21 in a detachable manner. This makes it easier to separate the front unit 10 and the rear unit 20.

[0090] In such a vehicle 1, the battery 40 and the motor 50 are provided separately, so the weight of the front unit 10 and the rear unit 20 is less likely to be concentrated on one side. This makes it easier for the user to transport the front unit 10 and the rear unit 20 in a separated state.

[0091] For example, in the same manner as described in the above embodiment, the control unit 100 controls the vehicle 1 so that it cannot travel while the front unit 10 and the rear unit 20 are not connected.

[0092] [Variation 6] 15A and 15B show an example of the configuration of the vicinity of the connection portion 30 of a vehicle 1 according to Modification 6. FIG. 15A shows an example of the configuration of the vicinity of the connection portion 30 in the XZ plane, and FIG. 15B shows an example of the configuration of the vicinity of the connection portion 30 in the XY plane. In this vehicle 1, the connection portion 30 has a lock lever 33, a stopper lever 34, a groove 12R, a protrusion 22P, and the like. The lock lever 33 and the stopper lever 34 are attached to, for example, the front frame 12. For example, the front frame 12 is provided with a groove 12R, and the rear frame 22 is provided with a protrusion 22P. For example, a front connector 321 is provided in the groove 12R. For example, a rear connector 322 is provided in the protrusion 22P. Except for this point, the vehicle 1 according to Modification 6 has the same configuration and provides the same effects as the vehicle 1 described in the above embodiment.

[0093] For example, the user may rotate the lock lever 33 in the XZ plane after engaging the grooves 12R, 12RA with the protrusions 22P, 22PA. This causes the stopper lever 34 to lower, mechanically connecting the front unit 10 and the rear unit 20 and electrically connecting the front-side connector 321 and the rear-side connector 322. For example, the user may raise the stopper lever 34 and, with the stopper lever 34 raised, rotate the lock lever 33 in the opposite direction in the XZ plane. This places the front unit 10 and the rear unit 20 in a separable state. In this state, the user may lift the protrusions 22P, 22PA from the grooves 12R, 12RA, mechanically separating the front unit 10 and the rear unit 20 and electrically separating the front-side connector 321 and the rear-side connector 322.

[0094] 16A to 17B show an example of a more specific configuration of this connection section 30. Fig. 16A and Fig. 17A show a state in which the front unit 10 and the rear unit 20 are separated, and Fig. 16B and Fig. 17B show a state in which the front unit 10 and the rear unit 20 are connected.

[0095] For example, an eccentric cam 331, pinions 332 and 334, and a lock pin 333 are connected to the lock lever 33, and these operate in conjunction with each other. A stopper pin 341 is connected to the stopper lever 34, and these operate in conjunction with each other.

[0096] When the user rotates the lock lever 33, the eccentric cam 331 rotates (FIG. 16A). For example, the rotation of the eccentric cam 331 moves the rear frame 22 that is placed on the front frame 12, causing the rear frame 22 to come into close contact with the front frame 12 (FIG. 16B). This connects the front unit 10 and the rear unit 20, and limits the range of movement of the connection part 30 in the X direction.

[0097] When the lock lever 33 is rotated, the pinions 332 and 334 rotate together with the eccentric cam 331 (FIG. 17A). The rotation of the pinions 332 and 334 moves the lock pin 333, which is disposed across the front frame 12 and the rear frame 22 (FIG. 17B). The pinions 332 and 334 are configured to change the amount of movement by combining large and small gears with different numbers of teeth so that a small rotation of the lock lever 33 can be converted into a large movement of the lock pin 333. The number, shape, and arrangement of the pinions 332 and 334 are not limited to the example shown in FIG. 17A. The movement of the lock pin 333 causes a stopper pin 341 disposed on the lock pin 333 to move downwards due to, for example, spring force, thereby limiting the movement of the lock pin 333. When the stopper pin 341 moves downwards, the stopper lever 34 moves downwards. This limits the range of movement of the connection part 30 in the Y and Z directions. In this way, the connection between the front unit 10 and the rear unit 20 is locked.

[0098] In the vehicle 1 according to the sixth modification, the connection state of the front unit 10 and the rear unit 20 is locked by the eccentric cam 331 and the lock pin 333. Specifically, in the connection state of the front unit 10 and the rear unit 20, the range of movement of the connection part 30 in all directions, that is, the X direction, the Y direction, and the Z direction, is limited, so that the front unit 10 and the rear unit 20 can be firmly fastened together.

[0099] The vehicle and vehicle parts of the present invention have been described above in the embodiments and modifications. However, those skilled in the art can make appropriate additions, modifications, and omissions within the scope of the technical concept of the present invention. For example, the configurations, shapes, sizes, etc. of the parts of the vehicle and vehicle parts described in the above embodiments and modifications are merely examples, and other configurations, shapes, sizes, etc. may be used.

[0100] For example, although a bar-shaped handle 131 is illustrated in Fig. 1 etc., the handle 131 may have other shapes. The handle 131 may have, for example, a round shape. Alternatively, the steering device 13 may not have a handle post 132.

[0101] The steering fixing portion may be a member that prevents the handle 131 from rotating using a magnet, a hook, or the like.

[0102] In the above embodiment and modified examples, the handle post 132 is bendable around the attachment portion 13C as a fulcrum, but the handle post 132 may be bendable around another position as a fulcrum. For example, the handle post 132 may be bendable at a position between one end and the other end of the handle post 132.

[0103] Furthermore, in the sixth modification, an example in which eccentric cam 331 and lock pin 333 are used together has been described as an example of connecting part 30, but connecting part 30 may be configured with only either eccentric cam 331 or lock pin 333. For example, the range of movement of connecting part 30 in the X direction may be limited by eccentric cam 331, and the range of movement of connecting part 30 in the Y and Z directions may be limited by frictional force.

[0104] Furthermore, the configuration of the connection unit 30 is not limited to the configurations described in the above embodiment and modified examples. The connection unit 30 may have other configurations as long as it can separably connect the front unit 10 and the rear unit 20. For example, instead of the eccentric cam 331, the connection unit 30 may include a hook or lever for engaging the front unit 10 and the rear unit 20. Alternatively, the connection unit 30 may include an electromagnet for separably connecting the front unit 10 and the rear unit 20. [Explanation of symbols]

[0105] 1 vehicle, 10 Front unit 11 front wheels, 12 previous frames, 13 Steering device, 131 handle, 132 handlebar post, 13C Mounting part 14 headlights, 20 rear unit, 21 rear wheels, 22 rear frame, 23 riding support part, 231 saddles, 232 seatpost, 24 tail lights, 25 license plates, 26 Number plate light, 30 connection parts, 31 Connecting part, 311 Front side connection part, 312 rear connection part, 32 connectors, 321 front connector, 322 rear connector, 40 battery, 50 motors, 100 control section.

Claims

1. A specific small motorized bicycle, a front unit including a front wheel, a front frame to which the front wheel is attached, and a steering device that accepts steering by a rider; a rear unit including a rear wheel, a rear frame to which the rear wheel is attached, a riding support portion capable of supporting the rider, and a motor that drives the rear wheel; an electromagnetic brake mechanism that uses the motor to electromagnetically brake the rear wheels; a mechanical brake mechanism that mechanically brakes the front wheels; a connection portion provided between the front unit and the rear unit, the connection portion separably connecting the front unit and the rear unit; a steering fixing portion capable of preventing rotation of the steering device when the front unit and the rear unit are separated; Equipped with The vehicle is capable of traveling when the front unit and the rear unit are connected by the connection portion, the connection portion includes a coupling portion that mechanically connects the front unit and the rear unit and a connector that electrically connects the front unit and the rear unit, The steering device is a handle to be gripped by the occupant; a handle post extending between the handle and the front frame; an operation receiving unit that receives an operation for operating the electromagnetic brake mechanism from the occupant, The steering fixing portion is a first bending mechanism that configures the handle post to bend; a second folding mechanism that configures the handle to be foldable, A vehicle in which a wire for mechanically braking the rear wheels does not exist between the operation reception unit and the rear wheels.

2. A specific small motorized bicycle, a front unit having front wheels and a steering device that accepts steering by a passenger; a rear unit having rear wheels and a motor for driving the rear wheels; an electromagnetic brake mechanism that uses the motor to electromagnetically brake the rear wheels; a mechanical brake mechanism that mechanically brakes the front wheels; a connection portion provided between the front unit and the rear unit, the connection portion separably connecting the front unit and the rear unit; The vehicle is capable of traveling when the front unit and the rear unit are connected by the connection portion, the connection portion includes a coupling portion that mechanically connects the front unit and the rear unit and a connector that electrically connects the front unit and the rear unit, the steering device has an operation receiving unit that receives an operation for operating the electromagnetic brake mechanism from the occupant, A vehicle in which a wire for mechanically braking the rear wheels does not exist between the operation reception unit and the rear wheels.

3. a battery for powering the motor; 3. The vehicle according to claim 1, wherein the battery is electrically connected to the connector.

4. The vehicle according to claim 3, wherein the battery is provided in the rear unit.

5. 4. The vehicle according to claim 3, wherein the battery is provided in the front unit.

6. The operation receiving unit further receives an on / off operation of the power supply of the vehicle from the occupant, The vehicle according to claim 3, wherein when the front unit and the rear unit are connected by the connection portion, power is supplied from the battery to the operation reception portion, thereby enabling the vehicle to travel.

7. 4. The vehicle according to claim 3, wherein when the front unit and the rear unit are connected by the connection portion, power is supplied from the battery to the motor, thereby enabling the vehicle to run.

8. 3. The vehicle according to claim 1, further comprising a first control unit that controls the vehicle so as to be unable to travel when the front unit and the rear unit are separated.

9. 3. The vehicle according to claim 1, further comprising a second control unit that varies output control of the motor depending on the type of the front unit connected to the connection unit.

10. 3. The vehicle according to claim 1, further comprising an insert member that can be inserted between the front unit and the rear unit when the front unit and the rear unit are connected by the connecting portion.

11. 3. The vehicle according to claim 1, further comprising a bundling member that ties together the front unit and the rear unit when the front unit and the rear unit are separated.

12. A vehicle part to be attached to a specific small motorized bicycle, a front unit to which a front wheel can be attached and which has a steering device that accepts steering by a passenger; a rear unit to which a rear wheel can be attached and which has a motor for driving the rear wheel; an electromagnetic brake mechanism that uses the motor to electromagnetically brake the rear wheels; a mechanical brake mechanism that mechanically brakes the front wheels; a connection portion provided between the front unit and the rear unit, the connection portion connecting the front unit and the rear unit in a separable manner; Equipped with the connection portion includes a coupling portion that mechanically connects the front unit and the rear unit and a connector that electrically connects the front unit and the rear unit, the steering device has an operation receiving unit that receives an operation for operating the electromagnetic brake mechanism from the occupant, A vehicle component in which a wire for mechanically braking the rear wheels is not present between the operation acceptance unit and the rear wheels.

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