JP5118352B2 - Small vehicle - Google Patents

Description

  The present invention relates to a small vehicle in which a seat is disposed in a driver's seat formed on a vehicle body and the vehicle body has a small width dimension.

  Conventionally, there is a small vehicle described in Patent Document 1 below. According to this publication, the vehicle is an electric wheelchair, and is disposed in a driver's seat formed in a center portion in the width direction of the vehicle body, and a driver's seat supported by the vehicle body, A pair of left and right armrests that are arranged on the left and right outer sides of the seat and supported by the vehicle body, a steering operation unit that is arranged in front of the seat and that can be operated by the driver, and can drive the vehicle body Drive motor. The rear end portions of the armrests are pivotally supported by the vehicle body so that the front side of the armrests can be moved backward and upward. If the armrest is rotated forward, the driver's seat can be opened outward.

If the driver seated on the seat operates the steering operation section and drives the drive motor, the vehicle can move in a desired direction. If the armrest is moved forward and the driver's seat is opened outward, the driver can get on and off between the outer side of the vehicle body and the driver's seat through the opening.
JP 2005-328879 A

  By the way, the front part of the vehicle body of the wheelchair of the prior art is configured on the free end sides of the left and right armrests, and it is difficult to secure sufficient strength.

  Here, suppose that the structure of the wheelchair of the said prior art is applied to the motor vehicle said to be a small vehicle with a high traveling speed compared with the said wheelchair. In this case, if the automobile collides with a certain object in front of the vehicle during traveling (front collision), the automobile is given a large impact force from the object, and it is difficult to secure the above-mentioned strength. The part tends to be greatly deformed. Therefore, when the conventional technology is simply applied to the automobile as described above, there is a risk that the protection of the driver is insufficient.

  The present invention has been made paying attention to the above-described circumstances, and an object of the present invention is to provide a small vehicle having a small width dimension as in the case where a driver's seat is formed at the center in the width direction of the vehicle body. It is to prevent the front portion of the vehicle from being greatly deformed at the time of a front collision and to protect the driver more reliably.

  Another object of the present invention is to make it easy for the driver to get on and off between the outside of the vehicle and the driver's seat.

According to the first aspect of the present invention, there is provided a seat 26 for a driver 23 which is disposed in a driver's seat 22 formed on the vehicle body 2 and supported by the vehicle body 2, and is disposed on the left and right outer sides of the seat 26. In a small vehicle including a pair of left and right armrests 33, 33 supported by 2 and a steering operation unit 42 that is disposed on the front side of the seat 26 and can be operated by the driver 23,
Is disposed in front of the sheet 26, the pivot shaft 34 by a bracket 37, 37 Ru is supported, which is supported by the front wall 9 side of the vehicle body 2 to extend in the width direction of the vehicle body 2 is provided, the rear side of each armrest 33 is The small vehicle is characterized in that the front end portions of the armrests 33 are pivotally supported on the vehicle body 2 by the pivot shafts 34 so as to be able to go forward and upward and to be rotated backwards A and B.

  The invention according to claim 2 is the small vehicle according to claim 1, wherein the left and right armrests 33, 33 are integrally moved to each other and can be rotated backwards A, B.

  The invention according to claim 3 is a small vehicle according to claim 1 or 2, characterized in that the steering operation section 42 can be moved back and forth with the armrest 33 and can be rotated backwards A and B. It is.

  The invention according to claim 4 provides a seat belt 49 having one end connected to the vehicle body 2 and the other end connected to the armrest 33. When the armrest 33 is rotated backward B, the backward rotation is performed. When the seat belt 49 interlocked with B restrains the driver 23 on the seat 26 and the armrest 33 is rotated forward A, the seat belt 49 interlocks with the forward rotation A. The small vehicle according to any one of claims 1 to 3, wherein the restraint of the driver 23 on the seat 26 is released.

  In this section, the reference numerals appended to the above terms are not to be construed as limiting the technical scope of the present invention to the section “Example” described later or the contents of the drawings.

  The effects of the present invention are as follows.

According to the first aspect of the present invention, there is provided a driver's seat disposed in a driver's seat formed on a vehicle body and supported by the vehicle body, and a pair of left and right seats disposed on the left and right outer sides of the seat and supported by the vehicle body. In a small vehicle provided with an armrest and a steering operation unit arranged on the front side of the seat and operable by a driver,
It is disposed in front of the seat, the vehicle body pivot shaft that will be supported by the supported bracket on the front wall side provided to extend in the width direction of the vehicle body, the rear side of each armrest toward the upper front forward, Fukukai A small vehicle characterized in that the front end of each armrest is pivotally supported on the vehicle body by the pivot shaft so as to be movable.

  For this reason, a pivot shaft having an axial center extending in the width direction of the vehicle body is supported on the front portion of the vehicle body in front of the seat, and each of the above-described components pivoted on the front portion of the vehicle body by the pivot shaft. The base side of the armrest will be located. Accordingly, the front portion of the vehicle body is reinforced by the pivot shaft and the base side of each armrest, and the strength is improved.

  As a result, it is possible to prevent the front portion of the vehicle body from being greatly deformed at the time of a frontal collision of the vehicle, thereby protecting the driver more reliably.

  The invention according to claim 2 is the small vehicle according to claim 1, characterized in that the left and right armrests can be moved forward and backward together.

  For this reason, when the driver tries to get on and off between the outer side of the vehicle and the driver's seat, when the driver's seat is opened toward the left and right outer sides of the vehicle by rotating each armrest forward, Since it is not necessary to individually turn each armrest forward and backward, the above work for getting on and off can be easily performed, which is convenient.

  The invention according to claim 3 is the small vehicle according to claim 1 or 2, characterized in that the steering operation section can be moved back and forth together with the armrest. It is.

  Therefore, when the driver tries to get on and off between the outer side of the vehicle and the driver's seat, the armrest is moved forward to open the driver's seat toward the outer side of the vehicle. Along with the armrest to be operated, the steering operation unit disposed on the front side of the seat also rotates forward and upward. Therefore, it is prevented that the space for opening the driver's seat toward the outside of the vehicle is narrowed by the steering operation section, and the boarding / alighting can be facilitated.

  According to a fourth aspect of the present invention, there is provided a seat belt having one end connected to the vehicle body and the other end connected to the armrest, and the seat interlocked with the backward rotation when the armrest is rotated backward. When the belt restrains the driver on the seat and the armrest is rotated forward, the seat belt is interlocked with the forward rotation to release the driver's constraint on the seat. The small vehicle according to any one of claims 1 to 3, wherein the small vehicle is configured as described above.

  For this reason, when the driver sits on the seat and turns the armrest back in order to enable the armrest, the driver is placed on the seat by the seat belt when the vehicle is ready to drive. Automatically restrained. Therefore, since it is not necessary to perform a separate operation on the seat belt at the start of operation, this operation start operation can be facilitated.

  On the other hand, when the driver tries to get off from the above state and turns the armrest forward, the restraint of the driver by the seat belt is automatically released. Therefore, when getting off the vehicle, the operation of getting off the vehicle can be facilitated because it is not necessary to separately operate the seat belt.

  The small vehicle according to the present invention prevents the front portion of the vehicle from being greatly deformed at the time of a front collision of a small vehicle having a small width dimension, as in the case where a driver's seat is formed at the center in the width direction of the vehicle body. In order to achieve the purpose of ensuring that the driver is more reliably protected, the best mode for carrying out the present invention is as follows.

  That is, the small vehicle is arranged in a driver's seat formed on the vehicle body and is supported by the vehicle body, and a pair of left and right sides that are arranged on the left and right outer sides of the seat and are supported by the vehicle body. An armrest and a steering operation unit that is disposed on the front side of the seat and that can be operated by the driver are provided.

Is disposed in front of the seat, pivot shaft is provided that will be supported by and extends in the width direction of the vehicle body vehicle body bracket supported on the front wall side. The front end portions of the armrests are pivotally supported by the vehicle body by the pivot shaft so that the rear side of the armrests can move forward and upward.

  In order to describe the present invention in more detail, the first embodiment will be described with reference to the attached FIGS.

  In FIG. 1-4, the code | symbol 1 is a small vehicle, The arrow Fr has shown the front of the advancing direction of this vehicle 1. FIG. The left and right described below refer to the width direction of the vehicle body 2 toward the front.

  The vehicle 1 includes a pair of left and right front and rear wheels 4 and 5 that are attached to the vehicle body 2 and support the vehicle body 2 on a running surface 3. The front wheel 4 is supported by the vehicle body 2 so as to be steerable. Further, the rear wheel 5 can be driven to rotate so that the vehicle 1 travels by inputting a driving force from an in-vehicle driving source such as an electric motor (not shown).

  The vehicle body 2 includes a vehicle body floor 8 that forms a lower end portion thereof and also serves as a vehicle body frame, a front wall 9 that protrudes upward from a front edge of the vehicle body floor 8, and a front portion of the vehicle body floor 8. A pair of left and right front side walls 10, 10 projecting upward from the outer edge and integrally coupled to each side edge of the front wall 9, and above the rear edge of the vehicle body floor 8 A pair of left and right rear walls 11 projecting toward the rear and projecting upward from the rear outer edge of the vehicle body floor 8 and integrally coupled to each side edge of the rear wall 11 Rear side walls 12 and 12 are provided.

  The vehicle body 2 includes a pair of left and right front frames 15, 15 projecting from the rear upper end of each front side wall 10 toward the rear upper side, and upward from the rear upper end of each rear side wall 12. A pair of left and right rear frames 16, 16 projecting, a roof panel 17 supported on the upper ends of the front and rear frames 15, 16, and a front window panel 18 installed on the left and right front frames 15, 15. And a rear window panel 19 installed on each upper part of the left and right rear frames 16, 16.

  The inside of the vehicle body 2 is a driver's seat 22, and the driver's seat 22 is formed at a central portion located on the center line 21 in the width direction of the vehicle body 2. On both the left and right sides of the vehicle body 2 are formed entrances 24 that allow the driver 23 to get on and off between the outside of the vehicle body 2 and the driver seat 22. Specifically, at each side portion of the vehicle body 2, the entrance / exit 24 is formed between the front and rear walls 9 and 11 and between the front and rear frames 15 and 16.

  A seat 26 is provided for the driver 23 to be placed on the driver's seat 22 on the center line 21 and supported by the vehicle body floor 8. The seat 26 is supported by the vehicle body floor 8 so as to allow only one forward driver 23 to sit on the seat cushion 27 and protrudes upward from the rear end side of the seat cushion 27. A seat back 28 that allows the driver 23 seated on the seat cushion 27 to be seated back is provided, and a headrest 29 supported by the upper end of the seat back 28 is provided. In addition, the vehicle body 2 includes a roll bar 30 that protrudes upward from the vehicle body floor 8 in the vicinity of the rear of the seat 26.

  A pair of left and right armrests 33, 33 are provided that are disposed on the left and right outer sides of the seat 26 and extend in the front-rear direction and supported by the vehicle body 2. The front end portions of the armrests 33 are pivotally supported on the vehicle body 2 by the pivot shafts 34 so that the rear end portions of the armrests 33 move forward and upward, and can be rotated backwards A and B.

  A pair of left and right pivot shafts 34 are provided in the front area of the seat 26. These pivot shafts 34 are arranged on a single axis 35 extending in the width direction of the vehicle body 2. On the other hand, a pair of left and right brackets 37, 37 supported by a fastener 36 is provided on the front wall 9 side of the vehicle body 2. Each pivot shaft 34 is supported by each bracket 37 so as to be rotatable about the axis 35. The front end portions of the armrests 33 are fixed to the pivot shafts 34.

  Each armrest 33 traverses in the front-rear direction a middle part in the vertical direction of each entrance 24. A front end portion of each armrest 33 is located at a front end portion of the entrance / exit 24 and a rear end portion is removably locked to a front upper end portion of the rear side wall 12 by a locking tool 38. In the middle of the armrest 33 in the longitudinal direction, there is provided an operation portion 39 that is an operation lever that can release the locking by the locking tool 38.

  A steering operation section 42 that is disposed on the front side (specifically, the front side) of the seat 26 and that can be operated by the driver 23 seated on the seat 26 is provided. The steering operation portion 42 is a bar handle type, and protrudes rearward and upward from the pivot shaft 34 side. On the other hand, a bracket 43 is provided between the left and right pivot shafts 34 and 34, and the bracket 43 is fixed to each pivot shaft 34. The steering operation section 42 is supported by the bracket 43.

  A steering shaft 44 extending from the steering operation portion 42 toward the front lower side is provided. A front lower end portion of the steering shaft 44 is connected to the left and right front wheels 4 and 4 in conjunction with each other. Further, the rear lower end portion of the steering shaft 44 is interlocked and connected to the steering operation portion 42 by a universal joint 45. When the steering operation section 42 is steered, the left and right front wheels 4 and 4 are steered in conjunction with each other via the universal joint 45 and the steering shaft 44. Thereby, the vehicle 1 can be steered.

  The left and right armrests 33 and 33 and the steering operation portion 42 are connected to each other by the pivot shafts 34 and the brackets 43. The rotation center of the universal joint 45 is disposed on the axis 35. For this reason, the left and right armrests 33 and 33 and the steering operation section 42 can be moved back and forth A and B integrally around the axis 35.

  A seat belt device 48 that can restrain the driver 23 with respect to the seat 26 is provided. The seat belt device 48 is arranged on one side (right side) of the seat belt 49 and the seat 26 and is connected to the vehicle body floor 8 side of the vehicle body 2, and the seat belt 49 is wound from one end side thereof. A retractor 50 that urges the seat belt 26 to be taken, and an anchor 51 that is disposed on one side of the seat 26 and that is connected to the vehicle body floor 8 side of the vehicle body 2 and that connects the other end of the seat belt 49. .

  The seat belt device 48 is connected to the roll bar 30 of the vehicle body 2 in a region behind the shoulder of the driver 23, and slides in the longitudinal direction of the seat belt 49 on the retractor 50 side. An upper engaging tool 52 that can be engaged and a rear end portion of the armrest 33 on the other side (left side) of the driver 23, and a middle portion of the seat belt 49 on the anchor 51 side in its longitudinal direction And a lower engagement tool 53 that is slidably engaged.

  The portion 49 a of the seat belt 49 between the upper and lower engaging tools 52, 53 restrains the chest of the driver 23 on the seat 26, and between the anchor 51 and the lower engaging tool 53. The other portion 49 b of the seat belt 49 restrains the waist of the driver 23 on the seat 26.

  A space between the rear wall 11 and the seat 26 is a luggage compartment 56. The seat 26 is a lid that allows the luggage compartment 56 to be opened toward the rear of the vehicle body 2. Also, 57 is a side mirror, 58 is a headlamp, and 59 is a rear combination lamp.

  In FIGS. 5 and 6, when the locking by the locking tool 38 is released by operating the operation unit 39 and the armrests 33 are rotated forward A, the armrests 33 are located in the vicinity of the rear of the front frame 15. It can be locked by a locking tool (not shown). Then, by the forward rotation A of each armrest 33, the entrance / exit 24 is opened, and the driver's seat 22 is opened toward the outside of the vehicle 1 through the entrance / exit 24. Thereby, it is supposed that the driver 23 can easily get on and off between the outside of the vehicle 1 and the driver's seat 22 through the entrance 24.

  According to the above configuration, the pivot shaft 34 disposed in front of the seat 26 and extending in the width direction of the vehicle body 2 is provided, and the rear side of each armrest 33 moves forward and upward, and can be rotated backwards A and B. The front end portions of the armrests 33 are pivotally supported on the vehicle body 2 by the pivot shafts 34.

  For this reason, a pivot shaft 34 having a shaft center 35 extending in the width direction of the vehicle body 2 is supported on the front portion of the vehicle body 2 in front of the seat 26, and the front portion of the vehicle body 2 is supported by the pivot shaft 34. The base side of each of the armrests 33 that are pivotally supported by the head is positioned. Therefore, the front portion of the vehicle body 2 is reinforced by the pivot shaft 34 and the base side of each armrest 33, and the strength is improved.

  As a result, it is possible to prevent the front portion of the vehicle body 2 from being greatly deformed at the time of a frontal collision of the vehicle 1 and to protect the driver 23 more reliably.

  Further, as described above, the left and right armrests 33 and 33 are integrally moved toward each other so that they can be rotated backwards A and B.

  For this reason, the driver 23 tries to get on and off between the outer side of the vehicle 1 and the driver's seat 22, and the respective armrests 33 are rotated forward A to move the driver's seat 22 toward the left and right outer sides of the vehicle 1. In the case of opening the doors, it is convenient that the above-mentioned work for getting on and off can be easily performed because the forward rotation A of each armrest 33 is not required individually.

  Further, as described above, the steering operation section 42 can be moved back and forth with the armrest 33, and can be rotated backwards and forwards A and B.

  For this reason, the driver 23 tries to get on and off between the outer side of the vehicle 1 and the driver's seat 22, and the armrest 33 is moved forward A to open the driver's seat 22 toward the outer side of the vehicle 1. In this case, together with the armrest 33 that moves forward A, the steering operation unit 42 disposed on the front side of the seat 26 also rotates forward A toward the front upper side. Therefore, it is prevented that the entrance / exit 24, which is a space for opening the driver's seat 22 toward the outside of the vehicle 1, is narrowed by the steering operation unit 42, and the boarding / exiting can be facilitated.

  Further, as described above, when the seat belt 49 having one end connected to the vehicle body 2 and the other end connected to the armrest 33 is provided and the armrest 33 is rotated backward B, the backward rotation is performed. When the seat belt 49 interlocked with B restrains the driver 23 on the seat 26 and the armrest 33 is rotated forward A, the seat belt 49 interlocks with the forward rotation A. Thus, the restraint of the driver 23 on the seat 26 is released.

  For this reason, when the driver 23 is seated on the seat 26 and the armrest 33 is reversely rotated B so that the armrest can be placed, and the vehicle 23 is ready to be driven, the driver 23 The seat belt 49 is automatically restrained on the seat 26. Therefore, this operation start work can be facilitated because it is not necessary to separately operate the seat belt 49 at the start of the operation.

  On the other hand, when the driver 23 is going to get off from the above state and the armrest 33 is rotated forward A, the restraint of the driver 23 by the seat belt 49 is automatically released. Therefore, when the user gets off the vehicle, the operation of getting off the vehicle can be facilitated because a separate operation for the seat belt 49 is not required.

  Although the above is based on the illustrated example, the vehicle 1 may be a tricycle. Further, the seat 26 may be a seat on which a plurality of passengers such as two people can be seated in the width direction of the vehicle body 2. Further, the armrests 33 may be individually moved forward and backward A and B. Further, a buckle may be provided between the other end of the seat belt 49 of the seat belt device 48 and the anchor 51 so that these can be attached and detached.

  The following FIGS. 7-9 show Examples 2 and 3. FIG. Each of these Examples 2 and 3 is common in many respects to the configuration and operational effects of Example 1. Therefore, regarding these common items, common reference numerals are attached to the drawings, and redundant description thereof is omitted, and different points are mainly described. In addition, the configurations of the respective parts in each of these embodiments may be variously combined in light of the object and the effect of the present invention.

  In order to explain the present invention in more detail, the second embodiment will be described with reference to FIG.

  The steering operation unit 42 in FIG. 7 is displaced slightly rearward from the steering operation unit 42 in the first embodiment, and the steering operation unit 42 is connected to the steering shaft 44 by an interlocking unit (not shown). They are linked together.

  In order to describe the present invention in more detail, the second embodiment will be described with reference to FIGS.

  8 and 9, a steering operation section 42 is disposed on the front side of the seat 26. Specifically, the steering operation section 42 is attached to each middle part of the armrests 33 in the longitudinal direction. Each of these steering operation portions 42 is a joystick type operation lever, and is linked to the steering shaft 44 by interlocking means (not shown).

1 is a side view of a vehicle according to a first embodiment. 1 is a front partial cross-sectional view of a vehicle, showing Embodiment 1. FIG. 1 is a plan view of a vehicle according to a first embodiment. 1 is a perspective view illustrating a part of an interior of a vehicle according to a first embodiment. FIG. 2 is a diagram illustrating the operation of the first embodiment and corresponding to FIG. 1. FIG. 3 is a diagram illustrating the operation of the first embodiment and corresponding to FIG. 2. FIG. 2 shows a second embodiment and corresponds to FIG. FIG. 10 is a diagram illustrating Example 3 and corresponding to FIG. 1. FIG. 6 is a diagram illustrating Example 3 and corresponding to FIG. 3.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Car body 3 Running surface 4 Wheel 5 Wheel 21 Center line 22 Driver's seat 23 Driver 24 Entrance / exit 26 Seat 27 Seat cushion 28 Seat back 33 Armrest 34 Pivoting shaft 35 Axis 42 Steering operation part 43 Bracket 44 Steering shaft 45 universal joint 48 seat belt device 49 seat belt 49a part 49b other part A forward rotation B reverse rotation

Claims (4)

A driver's seat disposed on a driver's seat formed on the vehicle body and supported by the vehicle body; a pair of left and right armrests disposed on the left and right outer sides of the seat and supported by the vehicle body; and In a small vehicle equipped with a steering operation unit arranged on the front side and made operable by a driver,
It is disposed in front of the seat, the vehicle body pivot shaft that will be supported by the supported bracket on the front wall side provided to extend in the width direction of the vehicle body, the rear side of each armrest toward the upper front forward, Fukukai A small vehicle characterized in that the front end of each armrest is pivotally supported on the vehicle body by the pivot shaft so as to be movable.   The small vehicle according to claim 1, wherein the left and right armrests are integrally movable forward and backward.   The small vehicle according to claim 1 or 2, wherein the steering operation section can be moved forward and backward together with the armrest.   A seat belt having one end connected to the vehicle body and the other end connected to the armrest is provided, and when the armrest is rotated backward, the seatbelt interlocked with the backward rotation is driven on the seat. When the armrest is rotated forward, the seat belt is interlocked with the forward rotation so that the driver's constraint on the seat is released. The small vehicle according to any one of claims 1 to 3.

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