JP5375553B2 - Small electric vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a small-sized electric vehicle with excellent usability/handleability and exhibiting a high waterproof effect. <P>SOLUTION: The electric vehicle includes: a seating seat 106 on which a driver is seated; a vehicle frame 101 disposed below the seating seat 106 for supporting the seating seat 106; a motor unit 112 mounted on the inner side of the vehicle frame 101; and wheels 102 to be driven by the motor unit 112. A vehicle holding handle 10 is disposed above an exterior cover 113 for covering the upper side of the vehicle frame 101 and below the seating seat 106. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a small electric vehicle used by an elderly person or a handicapped person to move at a relatively low speed.

  Conventionally, as disclosed in Patent Document 1, in recent years, a small electric vehicle has been developed for an elderly person or a handicapped person to move safely and easily. It is difficult for such a small electric vehicle to get over a large step such as a staircase only by a driver's operation. In addition, for the purpose of maintaining the turning ability during normal driving, a certain rotation speed is set for turning the vehicle. For this reason, it is difficult for the driver to make a fine change of direction.

  In Patent Document 1, a structure substantially equivalent to this is shown in FIGS. 7 and 8, but a structure using a vehicle body frame is disclosed in order to solve the above two problems. . That is, as shown in FIGS. 7 and 8, the rear portion 1a of the main frame 1 extending in the front-rear direction of the vehicle is provided so as to protrude further rearward from the rear cover 2 (hereinafter referred to as a holding portion). This holding part, for example, when going up and down the stairs of a train station, assistants such as station staff (M1 to M4) support the holding part and any body frame on the vehicle front side, The vehicle can be easily transported, or can be used for a minute change of direction.

JP 2007-82885 A

However, in the case of the structure disclosed in Patent Document 1, since the main frame 1 protrudes from the rear cover 2, rainwater or the like enters the inside from the opening provided in the rear cover 2 when it is raining as it is. There's a problem.
Moreover, since the said holding | maintenance part is set only in the vehicle rear part, the number of assistants who can use this effectively has to be limited. By the way, about 2 people (M3, M4) can actually use such a holding section on a staircase such as a station.

  In view of such circumstances, an object of the present invention is to provide a small electric vehicle that is excellent in use and handling properties and exhibits a high waterproof effect.

A small electric vehicle according to the present invention includes a vehicle frame including a main frame extending in the vehicle front-rear direction, a pair of left and right front wheels disposed at a front portion of the main frame, a steering handle for steering these front wheels, A power unit disposed at the rear, a pair of left and right rear wheels driven by the power unit, a floor disposed behind the front wheel, the main frame and the floor extending upward from the rear of the floor An exterior cover that covers the power unit; a seat seat that is disposed above the exterior cover; and a vehicle holding handle that is disposed separately from the main frame around the seat seat . a small electric vehicle, wherein the seat unit comprises a seat cushion and a seat back, the vehicle holding the handle, before Forming a U-shaped shape having a gap for those with along the back of the seat back to the left and right edges of the seat cushion, characterized in that disposed above the outer cover.

In the small electric vehicle of the present invention, the seating seat includes a seat frame to which the seat cushion is coupled, and the vehicle holding handle is attached to a bottom portion of the seat frame.

In the small electric vehicle according to the present invention, the vehicle holding handle is arranged and configured not to protrude outward from the left and right sides of the seat cushion .

  According to the present invention, the carry handle is supported by the highly rigid seat frame, and thus can exhibit high strength when used when lifting the vehicle. Further, since it can function as a carry handle without being connected to the main frame, it is not necessary to provide an opening in the rear cover or the like, and rain water can be prevented from entering the cover.

  Furthermore, since the carry handle of the present invention can also use the front side of the carry handle as a holding portion, the carry handle can be held from the side of the vehicle. As a result, the number of assistants when the vehicle moves can be increased, and the vehicle can move more smoothly and safely.

It is the side view and back view which show the external appearance structure of the small electric vehicle of this invention. It is sectional drawing which follows the AA line of FIG. It is a perspective view which shows the structural example of the seating seat of the small electric vehicle of this invention. It is a perspective view which shows the structural example of the carry handle which concerns on the small electric vehicle of this invention. It is a top view which shows the mode at the time of use of the carry handle in the small electric vehicle of this invention. It is a side view which shows the mode at the time of use of the carry handle in the small electric vehicle of this invention. It is a top view which shows the mode at the time of the holding | maintenance part use in the conventional small electric vehicle. It is a side view which shows the mode at the time of use of the holding | maintenance part in the conventional small electric vehicle.

Hereinafter, preferred embodiments of a small electric vehicle according to the present invention will be described with reference to the drawings.
FIG. 1 is a side view and a rear view of a small electric vehicle according to the present invention. First, the overall configuration of the small electric vehicle 100 will be described with reference to FIGS. 1 and 2. In addition, in the drawings used in the following description including these drawings, the front of the vehicle is indicated by an arrow Fr, the rear of the vehicle is indicated by an arrow Rr, and the lateral right side of the vehicle is indicated by an arrow R as necessary. The left side of the vehicle is indicated by an arrow L.

  In FIG. 1, a small electric vehicle 100 includes a main frame 101 extending in the vehicle front-rear direction, a power unit (not shown in detail) mounted on the rear portion of the main frame 101, and a pair of left and right rear wheels driven by the power unit. 102, a front wheel 103 provided at the front portion of the main frame 101, and a steering shaft 104 provided upright at the front portion of the main frame 101, and a steering handle 105 disposed at the upper end of the steering shaft 104 is provided to the driver. , The front wheel 103 can be steered.

  The main frame 101 extends in the front-rear direction along the left and right ends of the vehicle so as to form a pair on the left and right sides (note that the main frame 101 is disposed near the center in the left-right direction near the front of the vehicle where the steering shaft 104 is disposed. In the vicinity of the lower side of the seating seat 106, it extends rearward and obliquely upward. Furthermore, the left and right are combined and integrated at the rear end of the main frame 101. Near the rear portion of the main frame 101, that is, near the lower portion of the seating seat 106, as shown in FIG. 2, a gate-shaped or mountain-shaped frame 107 is horizontally mounted from the left and right main frames 101 so as to protrude upward. The frame 107 is coupled to the seat post 108 from both sides at the left and right central portions (mountain peaks). An auxiliary frame 109 is further coupled to the seat post 108 so as to form a trident with the frame 107. The auxiliary frame 109 extends obliquely downward and forward from the seat post 108 and is coupled to a structural member (not shown) (which may be a member or the like that is directly or indirectly coupled to the main frame 101).

  As described above, the seat post 108 is arranged in the vertical direction near the rear of the vehicle and in the center in the vehicle width direction, and supports the seating seat 106 on the upper portion of the seat post 108 as will be described later.

  Further, the vehicle cover as a vehicle exterior product or the like includes a front cover 110 that covers the steering shaft 104 and a front fender 111 that is connected to the lower end of the front cover 110 and covers the upper portion of the front wheel 103. Is called. Further, the rear portion of the vehicle is covered by a rear cover 113 that is connected to the rear end of the front fender 111 and covers the main frame 101 and the power unit 112 (the schematic position is abbreviated in FIG. 1).

  The rear cover 113 includes a rear cover 113A and a unit cover 113B. The rear cover 113A is connected to the rear end of the front fender 111 and covers up to the rear of the vehicle, and a floor portion 114 is formed between the front fender 111 and the power unit 112 so that a driver's feet can be placed during driving. It is like that. Unit cover 113B is connected to the upper portion of rear cover 113A and is attached to cover the front of power unit 112. This unit cover 113B is detachably provided in order to facilitate access to the inside during maintenance of the power unit 112 or the like.

  A storage rod 115 is attached above the front fender 111 on the front side of the front cover 110, and a pair of left and right rearview mirrors 116 are disposed at the left and right ends of the steering handle 105. As described above, the internal structure of the vehicle including the main frame 101, the power unit 112, or a structural member (not shown) is covered with vehicle covers and basically has a “clean” appearance configuration in which they are not exposed to the outside. Is done.

  Next, the configuration of the seating seat 106 will be described. As shown in FIG. 1, the seating seat 106 includes a seat cushion 117 for a driver to sit on and a seat back 118 for supporting the driver's back. An armrest 119 extending forward from the position is attached.

  Next, FIG. 3 shows a configuration example of a main part of the seating seat 106. A seat frame 120 constituting the basic skeleton structure is built in the seating seat 106. Typically, the seat frame 120 formed of a pipe steel material has a substantially L shape in side view corresponding to the seat cushion 117 and the seat back 118. A post plate 122 is coupled to the inside of the seat frame 120 corresponding to the seat cushion 117 in the L shape via a cushion bracket 121. Specifically, a plurality (four in this example) of cushion brackets 121 that are fixed to the seat frame 120 protrude inward, and the cushion bracket 121 and the post plate 122 are fastened by bolts. Note that the seat cushion 117 is connected to the front end of the seat frame 120 via a link mechanism 123 so as to be pivotable back and forth.

  The post plate 122 disposed at the bottom of the seating seat 106 is rotatably supported by the seat post 108 described above. In this case, a rotating shaft 124 protruding downward is fixed to the post plate 122, and is supported on the seat post 108 via the rotating shaft 124. The seating seat 106 is configured so that it can be removed from the vehicle body side (seat post 108) as necessary. However, the rotating shaft 124 and the seat post 108 are normally coupled with a necessary and sufficient coupling strength. A predetermined coupling rigidity is ensured.

  Now, in the small electric vehicle 100 of the present invention, the special seat seat 106 has an exterior cover that covers the top of the vehicle frame including the main frame 101 and the like, that is, above the rear cover 113 and below the seat seat 106. As shown in FIG. 1 or FIG. 2, a vehicle holding handle (carry handle) 10 is provided. As shown in FIG. 3, the carry handle 10 is attached to the bottom of the seat frame 120 constituting the seating seat 106.

  In the specific configuration of the carry handle 10, a pipe material (pipe steel material) or the like is used to form a generally U-shaped shape as shown in FIG. 4, and the U-shaped opening is directed to the front Fr and attached to the vehicle. It is done. A plurality (four in this example) of handle brackets 11 extending upward are provided on the left and right front parts and rear parts of the carry handle 10 respectively. On the other hand, a plurality of cushion brackets 12 extending downward as shown in FIG. 3 are disposed in the seat frame 117 corresponding to the seat cushion 117 in correspondence with the handle bracket 11. The carry handle 10 is supported by the seat frame 120 by fastening the handle bracket 11 and the cushion bracket 12 corresponding to each other by the bolt 13. The open end of the pipe material of the carry handle 10 is plugged by a cap 14 as shown in FIG.

  The carry handle 10 attached to the seat frame 120 as described above has a lateral width W2 that is larger than the lateral width (or interval) W1 of the seat frame 120 as shown in FIG. As shown in FIG. 2, the carry handle 10 is disposed below the seat frame 120 appropriately. The carry handle 10 arranged in this way has a predetermined gap or gap formed between the left and right seat frames 120 and the outer edge of the seat cushion 117, that is, substantially to the side of the seat cushion 117. It arrange | positions so that it may not protrude. Also, the vicinity of the rear part of the carry handle 10 is inclined rearwardly upward as shown in FIG. 4, and this inclined portion extends moderately from the seat back 118 (rear surface) as shown in FIG. 1 or FIG. Put out. That is, a predetermined gap or gap is formed between the rear portion of the carry handle 10 and the seat back 118. In other words, the carry handle 10 attached to the seating seat 106 is disposed so that it can be held on all three sides of the U-shape.

  In the small electric vehicle 100 having the above configuration, the carry handle 10 is supported by the seat frame 120 of the highly rigid seating seat 106, so that high rigidity and strength are ensured when the small electric vehicle 100 is lifted. . Therefore, the small electric vehicle 100 can be moved stably and accurately with the carry handle 10.

  Further, the carry handle 10 attached to the seating seat 106 side is configured separately from the main frame 101, that is, is coupled to the seat frame 120. Since the function as the carry handle 10 can be exhibited without being connected to the main frame 101 in this way, there is no need to provide an opening in the exterior cover such as the rear cover 113, and therefore, intrusion of rainwater into the cover is prevented. be able to. Since this type of vehicle is electrically driven, it particularly dislikes the ingress of water, and therefore requires a high waterproof structure, which not only complicates the structure but also increases the cost. In the present invention, a high waterproof effect can be obtained with a simple structure, and the cost can be substantially reduced.

  As described above, the carry handle 10 can be held from any side around it, in particular from the side of the vehicle, in addition to ensuring its strength and waterproofing as a holding portion. That is, when the small electric vehicle 100 is lifted and moved as shown in FIG. 5 and FIG. 6, in addition to the assistants M1 to M4, assistants M5 and M6 held from the side part participate, as shown in the illustrated example. For example, it can be held by a total of six assistants. In FIG. 5, the carry handle 10 is shown by hatching (hatched lines), but the actual positional relationship between the seating seat 106 and the seat cushion 117 is located on the lower side thereof.

  Since the entire carry handle 10 can be used as the holding portion in this way, the small electric vehicle 100 can be moved efficiently and safely. In addition, even when lifting by, for example, four assistants M1 to M4, each portion of the carry handle 10 is held, which increases the degree of freedom of each person, so that it is very easy to hold and is extremely excellent in terms of usability or convenience. It has become a thing.

As mentioned above, although this invention was demonstrated with various embodiment, this invention is not limited only to these embodiment, A change etc. are possible within the scope of the present invention.
Even if the left and right side portions of the carry handle 10 are approximately halfway in the front-rear direction of the seat cushion 117, a certain effect can be obtained.

DESCRIPTION OF SYMBOLS 10 Carry handle 11 Handle bracket 12 Cushion bracket 13 Bolt 100 Small electric vehicle 101 Main frame 102 Rear wheel 103 Front wheel 104 Steering shaft 105 Steering handle 106 Seating seat 107 Frame 108 Seat post 110 Front cover 111 Front fender 112 Power unit 113 Rear cover 117 Seat cushion 118 Seat back 119 Armrest 120 Seat frame 121 Cushion bracket 122 Post plate 123 Link mechanism 124 Rotating shaft

Claims (3)

A vehicle frame including a main frame extending in the vehicle front-rear direction, a pair of left and right front wheels disposed at a front portion of the main frame, a steering handle for steering these front wheels, and a power unit disposed at a rear portion of the main frame, A pair of left and right rear wheels driven by the power unit; a floor portion disposed behind the front wheel; and an exterior cover that extends upward from the rear portion of the floor portion and covers the main frame and the power unit; A small electric vehicle comprising: a seat seat disposed above the exterior cover; and a vehicle holding handle configured separately from the main frame around the seat seat ;
The seating seat includes a seat cushion and a seat back,
The vehicle holding handle is formed in a U-shape along the right and left side edges of the seat back and the left and right edges of the seat cushion and disposed above the exterior cover. A small electric vehicle characterized by The seating seat includes a seat frame to which the seat cushion is coupled,
The small electric vehicle according to claim 1, wherein the vehicle holding handle is attached to a bottom portion of the seat frame. 3. The small electric vehicle according to claim 1, wherein the vehicle holding handle is arranged and configured not to protrude outward from both left and right sides of the seat cushion . 4.

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