JP2001278109A - Structure for fixing floor plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for fixing a floor plate of a vehicle, capable of reducing the number of components. SOLUTION: A pair of groove parts 27 opening on the sides facing each other are integrally mounted on a pair of right and left side frames 21 mounted on the lower part of a car body. Both right and left end portions of the floor plate 12 are fitted into the groove parts 27 so as to be assembled in such a manner as to be slid on the backward side of the vehicle. Consequently, it is possible to reduce the number of the components for assembling the floor plate 12 to a frame 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle floor plate fixing structure.

[0002]

2. Description of the Related Art For example, in a small vehicle such as a single-seat electric vehicle, a structure in which a floor plate is fixed to a frame of a vehicle body is shown in FIG. In the figure, reference numeral 1 denotes a pair of left and right side frames provided on the vehicle body, and a side end portion of a floor plate 2 is fixed to the upper surface thereof using fixing screws 3 and nuts 4. Also,
A bracket 6 is fixed to the side surface of the side frame 1, and a resin rocker panel 7 is fixed to a tip of the bracket 6. The rocker panel 7 is located on the outer surface of the vehicle body and constitutes a part of the exterior design of the vehicle.

[0003]

However, in the above configuration, it is necessary to attach a large number of fixing screws 3 and nuts 4 in order to fix the floor plate 2 to the side frame 1.
Furthermore, since it is composed of a number of parts such as the rocker panel 7 and the bracket 6 and the fixing screws 3 and nuts 4 for fixing them, there are problems that the parts cost is high and the number of mounting steps is increased. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle floor plate fixing structure capable of reducing the number of components.

[0004]

According to a first aspect of the present invention, there is provided a floor plate fixing structure comprising a pair of left and right side frames extending in the front-rear direction of a vehicle. The pair of side frames has a pair of left and right grooves that are open to the sides facing each other and are integrally recessed, and the left and right end portions of the floor plate are fitted into the grooves. It is characterized in that it can be assembled by sliding in the front-rear direction of the vehicle.

According to a second aspect of the present invention, in the first aspect, an accommodation space capable of accommodating an object to be accommodated is provided below the floor plate between the pair of side frames. It is characterized in that a fixing portion for fixing the object is integrally extended from the side frame.

According to a third aspect of the present invention, in any one of the first and second aspects, a surface of the pair of side frames located on an outer surface of the vehicle also serves as an outer surface of the vehicle. It is characterized in that the overhanging portion extends vertically.

[0007]

According to the first aspect of the present invention, the floor plate is held by fitting the left and right ends of the floor plate into a pair of grooves provided in the side frame. The number of parts to be assembled can be reduced.

According to the second aspect of the present invention, it is possible to reduce the number of fixing members such as brackets for fixing an object to be accommodated.

According to the third aspect of the present invention, the side frame is provided with a projecting portion extending in the up-down direction and serves also as the outer surface of the vehicle, so that it is not necessary to fix other members.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment in which a floor plate fixing structure of the present invention is applied to an electric four-wheeler for single rider will be described with reference to FIGS. FIG.
FIG. 1 is an overall view of a wheel 10. The electric four-wheeled vehicle 10 includes a ladder-shaped frame 11 at a lower part of a vehicle body, and a floor plate 12 is attached to an upper portion of the frame 11 (the frame 11 and the floor plate 12 will be described later in detail). A seat 13 is provided on the upper surface of the floor plate 12.

FIG. 2 schematically shows a lower structure of the electric four-wheeled vehicle 10, and a detailed description thereof will be omitted.
A pair of steering wheels 14 is assembled to a front end of the frame 11, and a pair of driving wheels 15 provided with an in-wheel type driving motor are assembled to a rear end of the frame 11. A front frame 16 is provided upright from the front end of the frame 11 to support the steering shaft 17. Further, a front body 18 is covered around the front frame 16. A rear body 19 is covered behind the seat 13.

As shown in FIG. 3, the frame 11 comprises a pair of left and right side frames 21 extending in the front-rear direction of the vehicle, and a plurality of cross members 22 provided at predetermined intervals between the two side frames 21. Have been. The side frame 21 and the cross member 22 are formed by extruding a metal member such as aluminum, for example, and both have the same cross-sectional shape in the length direction. The cross member 22 is formed in a flat rectangular tube shape, and both left and right end portions are welded to the side frame 21, respectively. An accommodation space 33 is formed between each cross member 22, and a battery 35 (corresponding to “object to be accommodated” of the present invention) can be accommodated therein.

On the other hand, as shown in a sectional view in FIG. 4, the side frame 21 has a flat rectangular tube-shaped base 24. The inner wall 24A of the base 24 (left side in FIG. 4)
Is welded to one end of the cross member 22 described above.
An upper protruding portion 25 extends upward from the upper end of the outer wall 24B of the base 24. This overhang 2
The upper end of 5 is bent at a right angle toward the inside of the car body,
A groove 27 having a U-shaped cross section is formed by the upper protrusion 25 and the upper wall 24 </ b> C of the base 24. The two groove portions 27 formed in the left and right side frames 21 are open on the sides facing each other, and the floor plate 12 described later is formed from the front end side.
Can be assembled by fitting the left and right ends thereof and sliding it rearward. A lower projecting portion 29 protrudes below the base portion 24, and an outer surface of the lower projecting portion 29 has a curved surface 29 </ b> A having an arc-shaped cross section.
Are formed. A portion extending from the curved surface 29A of the lower overhang portion 29 to the outer wall 24B of the base portion 24 and the upper overhang portion 25 is located on the outer surface side of the electric four-wheeled vehicle 10, and constitutes a part of the exterior design of the vehicle body. .

Further, from the lower end of the base portion 24, a fixing portion 31 is provided.
Extend horizontally to the accommodation space 33 side. The end of the above-described cross member 22 is welded to the upper surface of the fixing portion 31. The batteries 35 housed in the housing spaces 33 are placed on the left and right fixing parts 31,
It is fixed to the fixing part 31 by fixing means (not shown) (for example, bolts and nuts).

The floor plate 12 is formed in the shape of a rectangular flat plate, and is formed by attaching a flexible floor mat 38 made of, for example, rubber to the surface of a floor board 37 made of, for example, resin. The floor plate 12 is connected to the frame 1 as described above.
1 and has a size that can cover the upper part of each accommodation space 33.

This embodiment has the above configuration, and its operation will now be described. At the time of assembling the vehicle body, first, each battery 35 is housed in the housing space 33 of the frame 11 and fixed to the fixing portion 31 using bolts and nuts. And
The left and right ends of the floor plate 12 are fitted into the respective groove portions 27 from the front end side of the frame 11, and the floor plate 12 is slid to the rear end side as it is, and moved to a predetermined position covering the accommodation space 33. Thus, the floor plate 12 is connected to the frame 1
2, as shown in FIG. 2, as shown in FIG. 2, the steering wheel 14, the driving wheel 15, the front body 18, the rear body 19 and the like are assembled before and after the frame 11, and the seat 13 is installed on the upper surface of the floor plate 12. By doing so, the electric four-wheeled vehicle 10 is assembled.

According to the floor plate fixing structure of the present embodiment, the left and right ends of the floor plate 12 are fitted into the pair of grooves 27 provided in the side frame 21 so that the floor plate 12 is fixed.
Is held. Thereby, the number of parts for assembling the floor plate 12 to the side frame 21 can be reduced as compared with the conventional one, so that the number of assembling steps can be reduced and the manufacturing cost can be reduced. In order to position the floor plate 12 slid to a predetermined position, the floor plate 12 may be auxiliaryly fixed to the frame 11 using fixing screws or the like, but the number of parts is smaller than that of the conventional one.

In the prior art, the appearance was poor because the edge of the floor plate 2 was exposed, but in the present embodiment, the appearance is covered by the upper overhanging portion 25 covering the end of the floor plate 12. improves. In addition, since the upper protrusion 25 is formed integrally with the side frame 21, there is no need to attach another component for hiding the end of the floor plate 12.

Further, in the prior art, the number of parts was increased by assembling the rocker panel 7 constituting the appearance design of the vehicle, but in the present embodiment, the side frames 21 are provided with upper and lower projecting portions 25, 29, Since these also serve as the outer surface of the vehicle, it is not necessary to fix members such as the rocker panel 7 and the number of parts is reduced.

Further, between the pair of side frames 21,
An accommodation space 33 is provided below the floor plate 12, and the battery 35 accommodated therein can be fixed to the fixing portion 31 extending from the side frame 21, so that the battery 35 (object to be accommodated) is fixed. Fixing members such as brackets can be reduced. Further, since the end of the cross member 22 is fixed to the fixing portion 31, the strength of the frame 11 is improved.

The technical scope of the present invention is not limited by the above-described embodiment. For example, the followings are also included in the technical scope of the present invention. (1) In the above-described embodiment, an example is shown in which the floor plate fixing structure of the present invention is applied to a single-seater electric four-wheeled vehicle 10.
The present invention can be applied to other types of vehicles such as gasoline vehicles and vehicles that two or more people can ride. (2) The shapes of the upper and lower overhang portions 25 and 29 are not limited to those described above, and can be appropriately changed according to the design of the vehicle body.

[Brief description of the drawings]

FIG. 1 is a perspective view of an electric four-wheeled vehicle according to an embodiment.

FIG. 2 is a perspective view showing a lower structure of the electric four-wheeled vehicle.

FIG. 3 is an exploded perspective view showing a fixing structure of a floor plate.

FIG. 4 is a partially enlarged sectional view showing a fixing structure of a floor plate.

FIG. 5 is a partially enlarged sectional view showing a conventional floor plate fixing structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Electric four-wheeled vehicle (vehicle) 12 ... Floor board 21 ... Side frame 25 ... Upper overhang part 27 ... Groove part 29 ... Lower overhang part 31 ... Fixed part 33 ... Housing space 35 ... Battery (object)

Claims (3)

[Claims] 1. A structure in which a floor plate is fixed to a pair of left and right side frames extending along the front-rear direction of a vehicle, wherein the pair of side frames has a pair of left and right groove portions opened on sides facing each other. Are integrally recessed, and in this groove portion, the left and right end portions of the floor plate are fitted and slidable in the front-rear direction of the vehicle, so that the floor plate can be assembled. Fixed structure. 2. An accommodation space for accommodating an object to be accommodated is provided below the floor plate between the pair of side frames, and at least one side frame is used to fix the object to be accommodated. The floor plate fixing structure according to claim 1, wherein the fixing portion is integrally extended. 3. An overhanging portion, which also serves as an outer surface of the vehicle, extends in a vertical direction on a surface of the pair of side frames located on an outer surface side of the vehicle. Or the floor plate fixing structure according to any one of the above items.