JP4682774B2 - Seat structure of small electric vehicle - Google Patents

Description

  The present invention relates to a seat structure, particularly in a small electric vehicle for use by a person having a disability in the lower limbs or the whole body.

  Armrests are installed on seats for users (users) to sit in this type of small electric vehicle, especially standard electric wheelchairs (called "motor chairs") used by people with disabilities in the lower limbs and whole body. It is a condition to do. Due to the nature of the vehicle, safety is ensured by allowing the user to put on his hand or support his weight.

On the other hand, in actual use, it is convenient for a user to have a place or space for loading or placing small items, etc., for example, in a small electric vehicle of a type in which a vehicle is operated by a joystick lever, In many cases, a plate-like partition plate is installed below the armrest and an object is placed inside the seat.

2. Description of the Related Art Conventionally, in a small electric vehicle equipped with an armrest, an example in which a storage function is ensured by devising a configuration around the armrest is known. For example, as an example using the lower part of the armrest, there is a battery that can be stored. In addition, in the electric vehicle described in Patent Document 1, a box having an upper opening is pivotally supported at the lower part of the armrest so as to be rotatable in the horizontal direction at the base of the armrest, and the box is attached to the lower part of the armrest as necessary. It opens to the outside.

  Furthermore, the type classified as a self-operating handle type wheelchair is extremely useful as a substitute for the elderly. In such a small electric vehicle, a steering shaft for steering the front wheels is erected in front of the seat, that is, in front of the vehicle body. A steering wheel is attached to the upper end of the steering shaft, and the driver sits on the seat and operates the steering wheel. This type of vehicle also has an armrest on the side of the seat, but some have a storage tool (such as a basket) in the vicinity of the steering shaft.

Japanese Utility Model Publication No. 4-55331

  By the way, in recent years, a so-called “pet bottle or the like” form of a beverage container has become widespread, and the demand for electric vehicle users is high. However, in the case of such an accessory, if the partition plate is installed below the armrest as described above, the configuration is relatively simple, but if an impact or the like is applied, the accessory may fall. For relatively bulky containers such as plastic bottles, a special storage means is required. Although there is a demand for securing a storage function for small items and the like in this way, it is extremely important that the user does not get in the way, and the degree of freedom of the arrangement configuration and the like must be restricted.

  Furthermore, in the case of a seat structure of a type having a relatively short armrest, there are cases where it is desired to lengthen the armrest in order to maintain the posture of the user, and an example in which the armrest pad is extended is also known. However, when the armrest is lengthened in this way, the cost increases accordingly, and the armrest must be individually manufactured according to the body shape of the user.

In view of such circumstances, an object of the present invention is to provide a seat structure for a small electric vehicle that realizes an effective and excellent article storage function and can improve convenience, usability, and the like.

The seat structure of a small electric vehicle according to the present invention is formed substantially flat so as to cover a pair of left and right front wheels and rear wheels, a body frame on which the front wheels and the rear wheels are suspended via a suspension, and a front portion of the body frame. A single-seater small electric vehicle comprising a step portion and a seat mounted on the rear portion of the vehicle body frame and seated by a passenger or a user behind the step portion. An armrest is provided, and an accessory case with an intake / outlet opening is disposed below the armrest of the seat, and is supported so as to be turnable in the horizontal direction with respect to the vehicle body frame .

In the seat structure of the small electric vehicle of the present invention, the accessory case is characterized in that an article storage portion and a drink holder portion are integrally formed.

In the seat structure of the small electric vehicle according to the present invention, the opening end surface of the accessory case is set at a substantially same height as the upper surface of the seat.

In the seat structure of the small electric vehicle according to the present invention, the drink holder portion is disposed in front of the front end of the armrest and rearward of the front end of the seat.

In the seat structure of the small electric vehicle according to the present invention, the armrest is configured to be flipped up with respect to the seat.

Further, in the seat structure of the small electric vehicle according to the present invention, in the electric vehicle including an armrest on a side portion of the seat, an auxiliary armrest is disposed in front of the armrest.

In the seat structure of the small electric vehicle according to the present invention, the auxiliary armrest is attached and supported to a lower portion of the armrest so as to be slidable in the longitudinal direction.

In the seat structure of the small electric vehicle of the present invention, a grip is attached to the auxiliary armrest.

Further, in the seat structure of the small electric vehicle of the present invention, the auxiliary armrest is pivotally supported at the front end portion of the armrest and is supported substantially horizontally when used, while the armrest of the armrest is not used. It is stored in the lower part.

According to the present invention, the accessory case is disposed under the armrest, and the user can take in or take out the accessory or the like as appropriate while sitting on the seat. In this case, without being disturbed by the armrest itself, it is possible to put in and out small items with a simple and easy posture by simply reaching out.
Further, the article storage unit and the drink holder unit are integrally configured, and in particular, drinks such as plastic bottles can be stored in the drink holder unit, and the items that can be carried by the user are greatly increased. A cylindrical and bulky accessory such as a PET bottle or containers can be stably stored, and comfort can be improved.

  Moreover, an auxiliary armrest is provided in front of the armrest, and a hand can be placed on the auxiliary armrest in order to maintain the posture of the upper body of the user. By using the auxiliary armrest, the armrest can be substantially lengthened or shortened, so that the user's comfort can be improved. In this case, the position can be adjusted in the front-rear direction and the vehicle width direction, the auxiliary armrest can be set at the optimum position according to the body shape of the user, and the usability and the like can be improved.

Hereinafter, preferred embodiments of a seat structure of a small electric vehicle according to the present invention will be described with reference to the drawings.
FIG. 1 is a side view showing an overall configuration of a small electric vehicle 100 according to an embodiment of the present invention. In the small electric vehicle 100, a pair of left and right front wheels 102 and a pair of left and right rear wheels 103 are suspended on a body frame 101 via a suspension. The vehicle body frame 101 is covered with a resin cover including a front cover 104, a step part 105 (which are integrally formed), a rear cover 106, and the like, except for a part thereof.

  A box-shaped or box-shaped rear cover 106 protrudes upward at the rear of the vehicle body, and a drive motor for driving the rear wheel 103 and an output of the drive motor are transmitted to the rear wheel axle inside the rear cover 106. A power unit including a gear unit, a battery, a charger for the battery, and the like is accommodated. This power unit is controlled by a control unit.

  In the vehicle body frame 101, the corresponding portion of the step portion 105 is formed substantially flat, and the step portion 105 is fixed by a plurality of screws. The front cover 104 is formed so as to be undulated forward from the step portion 105, and is formed in a smooth curved shape that is convex upward. Further, fender portions are formed on both the left and right sides of the front cover 104 so as to cover the upper portion of the front wheel 102.

  On the upper side of the rear cover 106, a seat 10 on which a passenger or a user is seated is mounted via a bracket 107 that rises in a gate shape from the body frame 101, for example. The seat 10 includes a seat cushion 11 and a seat back (backrest) 12 and is supported on the rear cover 106 so as to be pivotable in the horizontal direction. The turning angle is set to 45 degrees and 90 degrees, for example, from the vehicle body center to the left and right. As is clear from the figure, a flat step portion 105 is disposed in front of the seat 10, and a passenger sitting on the seat 10 can place his / her feet on the step portion 105.

  Further, armrests 13 are provided on both sides of the seatback 12, and each armrest 13 is supported by the seatback 12 at its base end. A blinker 14 is provided on each side of each armrest 13.

  In this example, an operation box 16 for performing a driving operation is attached to the front end of the right armrest 13 via the arm 15, and a joystick lever 17 is erected on the operation box 16. A steering motor disposed inside the front cover 104 is driven by an input operation of the joystick lever 17 performed by the user, and thereby steering control of the front wheels 102 is performed. In addition to the power steering type using a joystick, a caster type that is driven by driving of the rear wheels may be used.

Now, in the seat structure of the small electric vehicle according to the present invention, the armrest 13 is provided on the side portion of the seat 10 as described above, and as shown in FIG. In FIG. 2, an accessory case 18 having an opening at a portion indicated by diagonal lines is provided. In the accessory case 18, an article storage unit 18A and a drink holder unit 18B are integrally configured.

  Here, as shown in FIG. 3, a seat back frame 19 that supports the seat back 12 is disposed inside the seat back 12. The seat back frame 19 has, for example, a substantially portal shape, and supports the armrest frame 22 via the support shaft 21 at the support portions 20 on both sides. A support bracket 23 for supporting the accessory case 18 is attached to the armrest frame 22 so as to protrude downward. The accessory case 18 is supported by the support bracket 23 so as to be suspended from the armrest 13 while covering the armrest frame 22 and the like.

  In this example, the accessory case 18 includes an inner member 24 and an outer member 25, as shown in FIG. 4, and these members are joined to each other. In this case, inner surfaces of the inner member 24 and the outer member 25 are respectively provided with a plurality of fastening portions 24a, 24b, 24c,. . And 25a, 25b, 25c,. . These are fastened to each other by a fixing tool such as a screw or a screw.

  The inner member 24 is formed with a plate-like partition portion 24d for separating the article storage portion 18A and the drink holder portion 18B so as to protrude toward the outer member 25 side. Further, in the vicinity of the upper portion of the inner member 24, a fastening portion 24e that is fastened to the support bracket 23 by a fixing tool such as a screw or a screw is provided. On the other hand, a fastening portion 25d that is fastened to the support bracket 23 by a fixing tool such as a screw or a screw is provided in a portion corresponding to the support bracket 23 near the upper portion of the outer member 25.

  As shown in FIG. 3 and the like, the outer opening (outer member 25 side) of the article storage portion 18A is formed to be inclined forward and downward at an appropriate angle, and the inner opening (inner member 24 side) is formed on the seat 10. The seat cushion 11 is set at substantially the same height as the upper surface of the seat cushion 11 and is formed to be substantially horizontal. The continuous opening portion of the drink holder portion 18B is also formed so as to be substantially horizontal, and the opening end surface of the drink holder portion 18B is substantially the same as the upper surface of the seat cushion 11 of the seat 10 as is apparent from FIG. Set to the height position.

  Further, as shown in FIG. 2, the drink holder portion 18 </ b> B is disposed forward (distance L <b> 1) from the front end of the armrest 13 and rearward (distance L <b> 2) from the front end of the seat cushion 11.

  In the above case, as shown in FIG. 3B, a boss 26 that protrudes downward from the lower surface side of the armrest frame 22 is provided, and a bolt 27 is screwed to the boss 22. In this example, a pair of front and rear bosses 26 are provided, and the arm 15 can be fastened and fixed by screwing bolts 27 respectively.

In actual use of the small electric vehicle 100 having the above configuration, the user seated on the seat 10 can run the small electric vehicle 100 by performing an input operation with the joystick lever 17. At that time, a stable and accurate operation is possible by placing the foot on the step portion 105.

  An accessory case 18 is disposed at the lower part of the seat 10, and the user can reach the lower side of the armrest 13 while sitting on the seat 10, so that the accessory etc. Can be taken in or taken out. In this case, since the take-in / out opening 18a is opened at a position close to the lower portion of the armrest 13, the armrest 13 itself is not obstructed at all, and it is possible to simply take out and put in small items with a simple and easy posture. Can do.

  As described above, the accessory case 18 includes the article storage portion 18A and the drink holder portion 18B integrally formed. In particular, the drink holder portion 18B can store a drink such as a plastic bottle. The number of items that can be carried increases significantly. The drink holder portion 18B is partitioned by the partition portion 24d to provide a storage space suitable for a plastic bottle or the like, and thus can stably store a cylindrical and bulky accessory or container such as a plastic bottle. it can. Since the user can drink drinks such as plastic bottles as appropriate, comfort can be improved. At the same time, of course, other small items can be taken in and out of the article storage portion 18A as appropriate. And as above-mentioned, since the outer side opening part is formed so that the article opening part 18A may incline forward and downward at an appropriate angle, it plays the role of a partition wall between the armrest 13 and the seat cushion 11, When small items are stored, the small items can be prevented from protruding or falling outside the vehicle. On the other hand, since the inner opening is set at substantially the same height as the seat cushion 11, small items can be taken in and out from the seat inner side.

  In this case, the arrangement or positional relationship of the drink holder portion 18B is set at a substantially same height position as the upper surface of the seat cushion 11 of the seat 10. Since it is in a relatively low position in the accessory case 18, it is convenient for storing bulky containers such as plastic bottles, and even when not in use when no items are stored in the drink holder portion 18B Don't be.

Moreover, the drink holder part 18B is arrange | positioned ahead of the front end of the armrest 13, and behind the front end of the seat cushion 11 as mentioned above (FIG. 2). In this respect as well, bulky containers such as plastic bottles can be easily taken in and out, and since it does not protrude beyond the seat cushion 11 more than necessary, it is compactly configured without obstructing the user when getting on and off the small electric vehicle 100 or the like. ing.

  The accessory case 18 includes an inner member 24 and an outer member 25, and is supported so as to be suspended from the armrest 13. As a result, it can be installed as a so-called retrofit option, and can effectively respond to the needs of the user. Further, the accessory case 18 is configured so as to have a sense of unity from the armrest 13 to the seat cushion 11, and ensures an appearance that is excellent in appearance.

  Here, the armrest 13 may be configured to be flipped up with respect to the seat 10. That is, for example, as shown in FIG. 5, the armrest 13 and the accessory case 18 are configured separately, and the armrest 13 is pivoted upward at the base end thereof as shown. In this case, the armrest frame 22 is supported by the support portion 20 of the seat back frame 19 so as to be rotatable around the support shaft 21.

  On the other hand, by using the seat back frame 19 or the seat cushion frame 28, a support bracket or the like (not shown) is projected or extended from these members. Then, the accessory case 18 is disposed at a predetermined position via these support brackets as described above. The configuration of the container 18 is substantially the same as in the above embodiment.

  By jumping up the armrest 13, the space above the container 18 is opened. This makes it easier to take in and out small items and more easily for bulky containers such as PET bottles.

Next, a second embodiment of the seat structure of the small electric vehicle of the present invention will be described. In addition, the same code | symbol shall be used for the same or corresponding member as embodiment mentioned above.
In the second embodiment, an auxiliary armrest is provided in front of the armrest 13. For example, as shown in FIG. 6, an auxiliary armrest 29 is provided in front of the left armrest 13. The auxiliary armrest 29 is arranged in the form of extending the armrest 13, that is, substantially at the same height position. As shown in the figure, for example, it has a substantially rectangular box shape, PVC leather is sewn outside, and the inside is made of urethane material. Moreover, a plywood is used for the lower plate.

  The auxiliary armrest 29 may be supported by the same configuration as that of the operation box 16 described above. That is, the arm 15 can be supported by a boss 26 (see FIG. 3) that projects downward from the armrest frame 22, and the auxiliary armrest 29 can be supported by using the arm 15.

  In this case, an elongated hole 15a through which the bolt 27 is inserted is formed in the arm 15 as shown in FIG. As a result, the auxiliary armrest 29 is attached and supported at the lower part of the armrest 13 so as to be slidable in the longitudinal direction. Further, a base plate 30 is connected to the front end portion of the arm 15 and a pair of long holes 30a are formed in the vehicle width direction. The auxiliary armrest 29 can be fixed by a bolt inserted through the elongated hole 30a. In this case, the auxiliary armrest 29 can slide in the vehicle width direction. The operation box 16 can also be fixed via the base plate 30.

  In the second embodiment, even when the armrest 13 is relatively short, the auxiliary armrest 29 is provided in front of the armrest 13 so that the user can place his / her hand on the auxiliary armrest 29 in order to maintain the posture of the upper body of the user. it can. On the other hand, when it is not necessary, the auxiliary armrest 29 can be removed, and thus the armrest 13 can be lengthened or shortened according to the body shape and body condition of the user. Can be improved.

  Furthermore, the position of the auxiliary armrest 29 can be adjusted in the front-rear direction and the vehicle width direction via a slide mechanism. As a result, the auxiliary armrest 29 can be set at an optimum position according to the body shape of the user, and usability and the like can be improved.

  Next, as shown in FIG. 7, the grip 31 is attached as an auxiliary armrest. In this example, the grip 31 is fixed to the pipe member 32 so as to extend forward of the armrest 13. The pipe material 32 can be supported using the arm 15. Also in this case, the arm 15 is formed with a long hole 15a through which the bolt 27 is inserted, and is slidable.

  As a specific form of the grip 31, for example, a grip handle similar to a bicycle, a shift knob similar to a car, or the like, that is, an appropriate uneven shape is preferable. According to this example, in addition to being able to set the grip 31 to the optimum position according to the user's body shape, etc., the grip 31 is configured to be easily gripped, so that it can be gripped firmly, and a sense of stability during travel can be obtained. It can be secured effectively.

  Further, in the example shown in FIG. 8, the auxiliary armrest 33 is pivotally supported at the front end portion of the armrest 13 and is supported substantially horizontally when used (FIG. 8, two-dot chain line). It is sometimes configured to be stored in the lower part of the armrest 13 (FIG. 8, solid line).

  In this case, the auxiliary armrest 33 is supported so as to be rotatable around a support shaft 34 provided at the front end of the armrest 13 as indicated by an arrow. A lock mechanism (not shown) that holds the auxiliary armrest 33 in the rotation end position, that is, in the horizontal state and the retracted state is provided, and can be expanded or retracted as necessary. In particular, in this example, it is not necessary to attach or remove the auxiliary armrest 33, and it does not take time.

As mentioned above, although this invention was demonstrated with embodiment, this invention is not limited only to these embodiment, A change etc. are possible within the scope of the present invention.
For example, although the accessory case 18 has been described as being divided by the inner member 24 and the outer member 25 in the above-described embodiment, it can also be formed as a single piece.

  In addition, this type of small electric vehicle is classified as a self-operating handle type wheelchair, and is a type of vehicle in which a steering shaft for steering a front wheel is erected at the front part of the vehicle body, and a steering handle is provided at the upper end thereof. However, the present invention can be applied effectively, and the same effects as those of the above embodiment can be obtained.

1 is a side view of a small electric vehicle according to a first embodiment of the present invention. It is a side view of a sheet concerning a 1st embodiment of the present invention. FIG. 3 is a perspective view illustrating an example of a sheet configuration according to the first embodiment of the present invention. It is each a perspective view which shows the structural example of the container which concerns on embodiment of this invention. It is a perspective view of the sheet | seat which shows the modification of this invention. It is each a perspective view which shows the structural example of the sheet | seat and arm which concern on the 2nd Embodiment of this invention. It is each a perspective view which shows the structural example of the sheet | seat and auxiliary armrest which concern on the 2nd Embodiment of this invention. It is a perspective view of the sheet | seat which shows the modification of this invention.

Explanation of symbols

10 seat 11 seat cushion 12 seat back 13 armrest 15 arm 16 operation box 17 joystick lever 18 accessory case 19 seat back frame 22 armrest frame 24 inner member 25 outer member 26 boss 29 auxiliary armrest 100 small electric vehicle 101 body frame 102 front wheel 103 rear Wheel 104 Front cover 105 Step part 106 Rear cover

Claims (9)

A pair of left and right front wheels and rear wheels, a body frame on which the front wheels and the rear wheels are suspended via a suspension, a step portion that covers the front portion of the body frame and is formed substantially flat, and behind the step portion In a single-seater small electric vehicle equipped with a seat mounted on the rear part of the vehicle body frame and seated by a passenger or a user ,
The seat is provided with an armrest on a side portion, and an accessory case having an intake / outlet opening is disposed at a lower portion of the armrest of the seat, and is supported to be turnable in a horizontal direction with respect to the vehicle body frame. A seat structure for a small electric vehicle. 2. The seat structure of a small electric vehicle according to claim 1, wherein the accessory case is configured such that an article storage portion and a drink holder portion are integrally formed. The seat structure of the small electric vehicle according to claim 1 or 2, wherein an opening end surface of the accessory case is set at a position substantially the same as an upper surface of the seat. The seat structure for a small electric vehicle according to claim 2 or 3, wherein the drink holder portion is disposed forward of a front end of the armrest and rearward of a front end of the seat. The seat structure of the small electric vehicle according to any one of claims 1 to 4, wherein the armrest is configured to be flipped up with respect to the seat. The seat structure of the small electric vehicle according to any one of claims 1 to 5, wherein an auxiliary armrest is disposed in front of the armrest. The seat structure of the small electric vehicle according to claim 6, wherein the auxiliary armrest is attached to and supported by a lower portion of the armrest so as to be slidable in a longitudinal direction. The seat structure for a small electric vehicle according to claim 6 or 7, wherein a grip is attached to the auxiliary armrest. The auxiliary armrest is pivotally supported at a front end portion of the armrest so as to be rotatable, and is supported substantially horizontally when used, and is stored in a lower portion of the armrest when not used. The seat structure of the small electric vehicle as described in 2.

Images