JP7186755B2 - Vehicle floor step structure - Google Patents

Description

The present invention relates to a vehicle floor step structure.

Conventionally, vehicles with floor steps include those in which a battery is arranged below the floor steps (see, for example, Patent Document 1), and those in which the lower ends of the floor steps are attached to the vehicle body frame (see, for example, Patent Document 2). It has been known.

Japanese Patent No. 6559356 Japanese Patent No. 4243221

In Patent Documents 1 and 2, the structure for receiving the load acting on the floor step is complicated, and the structure cannot effectively improve the strength and rigidity of the floor step.
SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle floor step structure that can effectively improve the strength and rigidity of the floor step with a simple structure.

A vehicle floor step structure is a vehicle floor step structure in which a battery storage portion for storing a battery is provided in a floor step, wherein the floor step includes a battery storage portion cover covering the battery storage portion from above; a recess in which a battery compartment cover is arranged, the recess having a protrusion that abuts on the vehicle body frame on the bottom wall thereof , the protrusion being positioned within the vehicle width direction of the battery housing, At least a portion thereof is arranged at a position separated in the front-rear direction with respect to the storage portion .
In a vehicle floor step structure in which a battery storage section for storing a battery is provided in a floor step, the floor step includes a battery storage section cover that covers the battery storage section from above, and a recess in which the battery storage section cover is arranged. The recess has a bottom wall with a projecting portion that abuts on the vehicle body frame, the battery storage portion has a storage portion bottom wall, and the storage portion bottom wall is a peripheral wall forming the battery storage portion. A frame portion is provided inside, and the battery is arranged on the bottom wall of the storage portion inside the frame portion.
In a vehicle floor step structure in which a battery storage section for storing a battery is provided in a floor step, the floor step includes a battery storage section cover that covers the battery storage section from above, and a recess in which the battery storage section cover is arranged. and the recess has a protrusion on its bottom wall that abuts on the vehicle body frame, and the protrusion is at a position within the width of the battery storage section cover in the vehicle width direction and extends at least one side from the battery storage section. The parts are arranged at positions spaced apart in the front-rear direction.

In the above configuration, the battery storage portion may be formed on the bottom wall of the recess, and the protruding portion may be positioned on at least one of left and right sides and front and rear sides of the battery storage portion.

Further, in the above configuration, the projecting portion may be arranged in a range overlapping the length of the battery storage portion in the front-rear direction.
Further, in the above configuration, the projecting portion may be formed in a rectangular shape in a plan view, and the long sides of the rectangular shape may be arranged along the longitudinal direction of the vehicle body frame.

Further, in the above configuration, a fixing member for fixing the battery to the floor step is provided, and a fixing member fixing portion to which the fixing member is fixed is located between the frame portion and the peripheral wall in the battery storage portion. may be provided at the position of

In a vehicle floor step structure, the floor step includes a battery storage section cover that covers the battery storage section from above, and a recess for disposing the battery storage section cover. Therefore, by providing the recessed portion and the projecting portion in the floor step, the strength and rigidity of the floor step can be secured with a simple structure and both the recessed portion and the projecting portion can be improved, and the projecting portion of the floor step can be attached to the vehicle body frame. It is possible to prevent the floor step from being damaged or deformed and to suppress the deflection when the load acting on the floor step is supported by the contact.

In the above configuration, the battery housing portion is formed in the bottom wall of the recessed portion, and the protruding portion is positioned on at least one of the left, right, front, and rear sides of the battery housing portion. can be enhanced.
In addition, in the above configuration, the protruding portion is arranged in a range that overlaps the length of the battery storage portion in the front-rear direction, so that the battery storage portion cover can be made compact in the vehicle front-rear direction. Also, the weight of the battery can be efficiently supported.

Further, in the above configuration, the protruding portion may be arranged at a position within the vehicle width direction of the battery storage portion and at a position separated from the battery storage portion in the front-rear direction. According to this configuration, the projecting portion can be compactly arranged in the vehicle width direction.
Further, in the above configuration, the projecting portion is formed in a rectangular shape in a plan view, and the long sides of the rectangle are arranged along the longitudinal direction of the vehicle body frame. The surface pressure can be reduced, and the load acting on the floor step can be effectively supported by the protruding portion.

Further, in the above configuration, the battery storage portion includes a storage portion bottom wall, the storage portion bottom wall includes a frame portion inside the peripheral wall forming the battery storage portion, and the battery is mounted on the storage portion bottom wall inside the frame portion. is arranged, the rigidity of the battery housing portion can be improved by the peripheral wall and the frame portion, and the bending of the battery housing portion can be suppressed.
Further, in the above configuration, a fixing member for fixing the battery to the floor step is provided, and the fixing member fixing portion to which the fixing member is fixed may be provided at a position between the frame portion and the peripheral wall in the battery storage portion. good. According to this configuration, since the fixing member can be fixed at a position closer to the battery inside the peripheral wall, the battery can be firmly fixed with a compact structure.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a main part of a motorcycle provided with floor steps according to an embodiment of the present invention; FIG. 3 is a perspective view showing a single floor step; FIG. 4 is a plan view showing a single floor step; It is the perspective view which looked at the floor step unit from the diagonally downward direction. FIG. 4 is a plan view showing a battery storage section in which a battery is stored; FIG. 4 is a cross-sectional view showing a floor step and its surroundings;

An embodiment of the present invention will be described below with reference to the drawings. In the description, directions such as front, rear, left, right, and up and down are the same as the directions with respect to the vehicle body unless otherwise specified. In each figure, FR indicates the front of the vehicle body, UP indicates the upper side of the vehicle body, and LH indicates the left side of the vehicle body.
FIG. 1 is a perspective view showing essential parts of a motorcycle 10 having a floor step 21 according to an embodiment of the invention, and FIG. 2 is a perspective view showing a single floor step 26. As shown in FIG.
As shown in FIG. 1, the motorcycle 10 is a scooter-type saddle-riding vehicle that includes a body frame 11 serving as a skeleton and a floor step 21 provided at the lower front portion of the body frame 11 .

The vehicle body frame 11 includes a head pipe (not shown), a down frame 13 , a pair of left and right under frames 14 , and a pair of left and right rear frames 16 .
The head pipe constitutes the front end portion of the vehicle body frame 11 . Although the front wheels and front forks are not shown, the head pipe steerably supports the front wheels via the front forks. A down frame 13 extends downward from the head pipe. The left and right under frames 14 extend rearward while gradually widening left and right from the left and right of the lower portion of the down frame 13 . The left and right rear frames 16 are connected to respective rear ends of the left and right underframes 14 and extend obliquely upward rearward to support a seat (not shown) on which a passenger sits.

The floor step 21 is a portion on which an occupant of the motorcycle 10 rests his/her feet, and constitutes a part of the vehicle body cover 20 . The vehicle body cover 20 includes a floor step 21, a pair of left and right side covers 22 extending downward from both side edges of the floor step 21, and an under cover 23 bridging the left and right side covers 22 to cover the lower part of the vehicle body.
The left and right underframes 14 are arranged between the floor step 21 and the undercover 23 .

The floor step 21 is composed of a floor step unit 26 and a battery storage unit cover 27 detachably provided at the central portion of the floor step unit 26 .
As shown in FIGS. 1 and 2, the floor step unit 26 has a concave portion 26b formed in the center of its upper surface 26a so as to be concave downward, and a concave battery storage portion formed in the bottom wall 26c of the concave portion 26b. 26d.

The recessed portion 26b is a portion where the peripheral portion of the battery storage portion cover 27 is arranged, and the battery storage portion cover 27 is attached to the bottom wall 26c. More specifically, a pair of right and left screw insertion holes 27a are formed in the battery compartment cover 27, and plate nuts 31 are attached to the bottom wall 26c of the floor step unit 26 on both sides of the battery compartment 26d. A screw (not shown) is passed through the screw insertion hole 27 a and screwed into the plate nut 31 .
The height of the peripheral wall 26e of the concave portion 26b is equal to or substantially equal to at least the thickness of the peripheral edge portion 27b of the battery housing cover 27. As shown in FIG. Thereby, the step between the upper surface 26a of the floor step unit 26 and the upper surface 27c of the battery housing cover 27 can be suppressed.

A plurality of screw insertion holes 26g arranged in the front-rear direction are formed in portions of the floor step unit 26 near the left and right side edges 26f. The screws 32 (see FIG. 6) inserted into the screw insertion holes 26g are fastened to the fastening portions 22a (see FIG. 6) of the left and right side covers 22, respectively. As a result, the left and right side covers 22 are attached to the floor step unit 26 .
One of the left and right underframes 14, more specifically, the left underframe 14, is provided with a stand support portion 33 that swingably supports a side stand (not shown). exposed to the outside.

FIG. 3 is a plan view showing the floor step unit 26, and FIG. 4 is a perspective view of the floor step unit 26 viewed obliquely from below.
As shown in FIG. 3, the peripheral wall 26e of the recess 26b includes a front wall 26h, a pair of left and right inclined walls 26j, a pair of left and right side walls 26k, and a rear wall 26m. The front wall 26h includes a peripheral wall curved portion 26q formed along a rearwardly convex front edge curved portion 26p provided in the central portion of the front edge 26n of the floor step unit 26, and from both ends of the peripheral wall curved portion 26q in the vehicle width direction. A pair of left and right linear portions 26r extending linearly outward is provided. The left and right slanted walls 26j are slanted with respect to the front-rear direction so as to narrow the front. The left and right side walls 26k extend in the front-rear direction. The rear wall 26m is connected to the respective rear ends of the left and right side walls 26k and is curved so as to protrude forward.

As shown in FIGS. 3 and 4, the bottom wall 26c of the recess 26b includes a plurality of rectangular projecting portions 26s formed along the left and right inclined walls 26j and the left and right side walls 26k, and a plurality of projecting portions 26s. A battery housing portion 26d formed in a concave shape on the inner side in the vehicle width direction of 26s.
The plurality of protruding portions 26s are positioned around the battery storage portion 26d, and more specifically, the protruding portions 26s are arranged in a range overlapping the length of the battery storage portion 26d in the front-rear direction when viewed from the side of the vehicle. The long sides of the plurality of protrusions 26s are arranged along the left and right oblique walls 26j and the left and right side walls 26k, respectively, and protrude downward from the bottom wall 26c.

The long sides of the rectangular projections 26 s are arranged along the direction in which the vehicle body frame 11 , more specifically, the left and right under frames 14 and the left and right rear frames 16 extend. Further, the plurality of protrusions 26s are arranged so as to overlap the left and right underframes 14 and the left and right rear frames 16 in plan view.
The battery storage section 26d includes a storage section peripheral wall 26t as a peripheral wall that is rectangular in plan view, and a storage section bottom wall 26u connected to the lower edge of the storage section peripheral wall 26t.

The storage section peripheral wall 26t includes a storage section front wall 26v, a pair of left and right storage section side walls 26w, and a storage section rear wall 26x. A bottom wall opening 26y is provided behind the storage section bottom wall 26u, and the storage section bottom wall 26u is connected to one (right) storage section side wall 26w and part of the storage section rear wall 26x. not The bottom wall opening 26y is a portion through which a wire harness is pulled out from inside the battery housing 26d to below the battery housing 26d.

As shown in FIG. 4, a plurality of downwardly projecting ribs 28y are integrally formed on a bottom surface 28x of a flat step portion 28w excluding the battery storage portion 26d of the floor step unit 26 so as to extend in the front-rear direction. It is Further, a plurality of downwardly protruding ribs 28ya are integrally formed on the bottom surface 28x so as to extend in the vehicle width direction. A plurality of ribs 28z are integrally formed between the bottom surface 28x and the peripheral wall 26e of the battery housing portion 26d so as to extend in the vehicle width direction.

A plurality of ribs 28y, 28z are connected to each protrusion 26s. A plurality of ribs 28y, 28ya, 28z are similarly formed on a stepped flat portion 28w around the battery compartment 26d.
As a result, the step flat portion 28w of the floor step unit 26, the battery housing portion 26d, the plurality of projecting portions 26s, and the floor step unit 26 as a whole can be improved in rigidity.

FIG. 5 is a plan view showing the battery housing portion 26d in which the battery 41 is housed.
A storage portion bottom wall 26u located in the front portion of the battery storage portion 26d includes a battery installation portion 28a for installing the battery 41 therein. Thus, the floor step 21 (see FIG. 1) is provided with the battery storage portion 26d for storing the battery 41. As shown in FIG.
The battery installation portion 28a includes a frame portion 28b having a rectangular outline, and the battery 41 is arranged inside the frame portion 28b. As described above, the battery storage portion 26d includes the storage portion bottom wall 26u, and the storage portion bottom wall 26u includes the frame portion 28b inside the storage portion peripheral wall 26t that forms the battery storage portion 26d. The frame portion 28b includes a front frame portion 28c, a left frame portion 28d, a right frame portion 28e, and a rear frame portion 28f. A battery 41 is arranged on the storage portion bottom wall 26u inside the frame portion 28b.

The right frame portion 28e includes a plate-shaped right protrusion 28g that protrudes upward, and a right opening 28h (see FIG. 2) is formed through the right protrusion 28g in the vehicle width direction.
A bulging portion 28j that bulges upward from the storage portion bottom wall 26u is provided between the left frame portion 28d and the storage portion side wall 26w on the left side in a top view, and a nut 45 ( fixing member fixing portion) is attached. The battery 41 is fixed from above by a plate-like fixing member 43 that extends between the right frame portion 28e and the left frame portion 28d. One end portion 43a of the fixing member 43 is inserted into the right opening portion 28h of the right frame portion 28e, and the other end portion 43b is fastened with a screw 44 screwed into a nut 45 of the swelling portion 28j.

The battery 41 has a positive terminal 41a and a negative terminal 41b, which are connection terminals, separated in the vehicle width direction at its rear portion. Wires 46 and 47 are connected to the positive terminal 41a and the negative terminal 41b, respectively. The rear frame portion 28f has a pair of left and right engaging portions 28k, and the fuse box 48 is engaged with the left and right engaging portions 28k. The fuse box 48 is arranged above the bottom wall opening 26y, and each fuse (not shown) mounted in the fuse box 48 has one end connected to the positive terminal 41a by a lead wire (not shown) and the other end connected to each electrical component of the vehicle. It is connected to another conducting wire (not shown) extending to The conductors 46 and 47 and the conductors extending from the fuse box 48 are led out of the floor step unit 26 through the bottom wall opening 26y.

FIG. 6 is a sectional view showing the floor step 21 and its surroundings, including the left and right side covers 22 and the battery 41 in addition to the floor step unit 26 shown in FIG. It is a cross-sectional view taken along a line.
The floor step 21 includes a battery storage section cover 27 that covers the battery storage section 26d from above, and a recess 26b in which the battery storage section cover 27 is arranged.

The left and right under frames 14 and the left and right rear frames 16 (see FIG. 3) are made of round pipes. The protrusion 26s extends downward from the bottom wall 26c of the recess 26b.
Thus, the recessed portion 26b has a projecting portion 26s that abuts on the vehicle body frame 11 on the bottom wall 26c thereof.
The projecting portion 26s is formed in an integrated hollow structure including a cylindrical peripheral wall portion 28m and a bottom wall portion 28n connected to the lower end of the peripheral wall portion 28m. A cushion material 51 made of rubber is attached to the lower surface 28p of the bottom wall portion 28n, and the cushion material 51 is applied to the upper portions of the outer peripheral surfaces of the left and right underframes 14 and the left and right rear frames 16, respectively.

The fixing member 43 that fixes the battery 41 includes a straight pressing portion 43c that presses the upper surface 41c of the battery 41, a bent portion 43d that bends downward from the left end of the pressing portion 43c, and a portion that extends leftward from the bent portion 43d. It is integrally formed with a fastening portion 43e that is fastened with a screw 44. As shown in FIG.
Since the bulging portion 28 j to which the fastening portion 43 e is fastened is arranged below the upper surface 41 c of the battery 41 , it is possible to prevent the screw 44 fastening the fastening portion 43 e from interfering with the battery housing cover 27 .
A storage portion bottom wall 26u of the battery storage portion 26d is formed with a continuous projecting portion 28r that protrudes upward across an outer edge 28q connected to the storage portion front wall 26v (see FIG. 3) and left and right storage portion side walls 26w. there is The continuous projecting portion 28r is a portion that increases the rigidity of the storage portion bottom wall 26u, and suppresses bending of the storage portion bottom wall 26u due to the battery 41, which is a heavy object.

As shown in FIGS. 1, 2 and 6, the vehicle floor step structure is provided with a battery storage portion 26d for storing the battery 41 in the floor step 21. As shown in FIG. The floor step 21 includes a battery storage section cover 27 that covers the battery storage section 26d from above, and a recess 26b in which the battery storage section cover 27 is arranged. The recessed portion 26b has a projecting portion 26s that abuts on the bottom wall 26c of the vehicle body frame 11, more specifically, the underframe 14 and the rear frame 16. As shown in FIG.

According to this configuration, by providing the floor step 21 with the concave portion 26b and the projecting portion 26s, the strength and rigidity of the floor step 21 can be secured with a simple structure, and both the concave portion 26b and the projecting portion 26s can be improved. As a result, when the protruding portion 26s of the floor step 21 is brought into contact with the vehicle body frame 11 to support the load acting on the floor step 21, the floor step 21 can be prevented from being damaged or deformed, and can be restrained from bending.

Further, as shown in FIG. 3, a battery housing portion 26d is formed in the bottom wall 26c of the recess 26b, and the projecting portions 26s are positioned on the left and right sides of the battery housing portion 26d.
With this configuration, the strength and rigidity of the floor step 21 around the battery housing portion 26d can be increased.

Further, as shown in FIGS. 3 and 4, the protruding portion 26s is arranged in a range overlapping the length of the battery storage portion 26d in the front-rear direction when viewed from the side of the vehicle.
According to this configuration, the battery storage section cover 27 can be made compact in the longitudinal direction of the vehicle. Also, the weight of the battery can be efficiently supported.

Further, as shown in FIG. 3, the protruding portion 26s is formed in a rectangular shape in a plan view, and the long sides of the rectangular shape are arranged along the longitudinal direction of the vehicle body frame 11, more specifically, the underframe 14 and the rear frame 16. be done.
With this configuration, the contact area of the protruding portion that contacts the body frame 11 can be increased, the surface pressure can be reduced, and the load acting on the floor step 21 can be effectively supported by the protruding portion 26s. can.

As shown in FIGS. 5 and 6, the battery storage portion 26d includes a storage portion bottom wall 26u, and the storage portion bottom wall 26u is a frame portion inside the storage portion peripheral wall 26t that forms the battery storage portion 26d. 28b is formed, and the battery 41 is arranged inside the frame portion 28b.
According to this configuration, the rigidity of the battery storage portion 26d can be improved by the storage portion peripheral wall 26t and the frame portion 28b, and the bending of the battery storage portion 26d can be suppressed.
A fixing member 43 for fixing the battery 41 to the floor step 21 is provided, and a nut 45 to which the fixing member 43 is fixed is provided at a position between the frame portion 28b and the storage portion peripheral wall 26t in the battery storage portion 26d. be done.
According to this configuration, since the fixing member 43 can be fixed at a position closer to the battery 41 inside the storage portion peripheral wall 26t, the battery 41 can be firmly fixed with a compact structure.

The above-described embodiment merely shows one aspect of the present invention, and can be arbitrarily modified and applied without departing from the gist of the present invention.
For example, in the above-described embodiment, as shown in FIG. 3, the shape of the projecting portion 26s is rectangular in plan view, but the shape is not limited to this. , shapes similar to these shapes, and other shapes other than rectangles may be used.
Further, in the above-described embodiment, the configuration in which the projecting portion 26s is arranged on the left and right outer sides of the battery housing portion 26d has been described as an example, but the present invention is not limited to this. For example, the protruding portion 26s may be arranged at front and rear positions with respect to the battery storage portion 26d. Furthermore, the projecting portion 26s may be positioned on at least one of the left and right sides and the front and rear sides of the battery housing portion 26d, but the projecting portion 26s is arranged both on the left and right outer positions and on the front and rear outer positions. Also good. Thereby, the strength and rigidity of the floor step 21 can be effectively increased. Further, the projecting portion 26s may be arranged at a corner portion of a substantially rectangular shape in the recessed portion 26b which is formed in a substantially rectangular shape in plan view.
Further, the projecting portion 26s may be arranged at a position within the width of the battery storage portion 26d in the vehicle width direction and separated from the battery storage portion 26d in the front-rear direction. In this case, the underframe 14 may be a single frame member extending in the longitudinal direction of the vehicle from the center in the vehicle width direction. By arranging the protruding portion 26s at a position within the width of the battery storage portion 26d in the vehicle width direction and at a position separated from the battery storage portion 26d in the front-rear direction, an underframe that is provided alone in the center in the vehicle width direction is formed. 14 can be brought into contact with the protrusion 26s.

10 Motorcycles (vehicles)
11 Body Frame 21 Floor Step 26b Recess 26c Bottom Wall 26d Battery Storage Part 26s Protruding Part 26t Storage Part Peripheral Wall (Peripheral Wall)
26u storage section bottom wall 27 battery storage section cover 28b frame section 41 battery 43 fixing member 45 nut (fixing member fixing section)

Claims (7)

A vehicle floor step structure in which a battery storage portion (26d) for storing a battery (41) is provided in a floor step (21),
The floor step (21) includes a battery storage section cover (27) covering the battery storage section (26d) from above, and a recess (26b) in which the battery storage section cover (27) is arranged,
The recess (26b) has a bottom wall (26c) with a protrusion (26s) that contacts the vehicle body frame (11) ,
The protruding portion (26s) is arranged at a position within the width of the battery storage portion (26d) in the vehicle width direction, and at least a part thereof is separated from the battery storage portion (26d) in the front-rear direction. A vehicle floor step structure characterized by: A vehicle floor step structure in which a battery storage portion (26d) for storing a battery (41) is provided in a floor step (21),
The floor step (21) includes a battery storage section cover (27) covering the battery storage section (26d) from above, and a recess (26b) in which the battery storage section cover (27) is arranged ,
The recess (26b) has a bottom wall (26c) with a protrusion (26s) that contacts the vehicle body frame (11),
The battery storage portion (26d) includes a storage portion bottom wall (26u), and the storage portion bottom wall (26u) is provided inside a peripheral wall (26t) forming the battery storage portion (26d). ), wherein the battery (41) is disposed on the storage portion bottom wall (26u) inside the frame portion (28b). A vehicle floor step structure in which a battery storage portion (26d) for storing a battery (41) is provided in a floor step (21),
The floor step (21) includes a battery storage section cover (27) covering the battery storage section (26d) from above, and a recess (26b) in which the battery storage section cover (27) is arranged ,
The recess (26b) has a bottom wall (26c) with a protrusion (26s) that contacts the vehicle body frame (11),
The protruding portion (26s) is arranged at a position within the width of the battery storage portion cover (27) in the vehicle width direction and at least partially spaced apart in the front-rear direction from the battery storage portion (26d). A vehicle floor step structure characterized by: The bottom wall (26c) of the recess (26b) is formed with the battery storage portion (26d), and the projecting portion (26s) is positioned at least on the left, right, front, or rear of the battery storage portion (26d). The vehicle floor step structure according to any one of claims 1 to 3, characterized in that: The vehicle floor step structure according to any one of claims 1 to 4, wherein the projecting portion (26s) is arranged in a range overlapping the longitudinal length of the battery storage portion (26d). 6. The projecting portion (26s) according to any one of claims 1 to 5 , wherein the projecting portion (26s) is formed in a rectangular shape in a plan view, and the long sides of the rectangle are arranged along the longitudinally extending direction of the vehicle body frame (11). 1. The floor step structure of the vehicle according to item 1. A fixing member (43) for fixing the battery (41) to the floor step (21) is provided,
A fixing member fixing portion (45) to which the fixing member (43) is fixed is provided at a position between the frame portion (28b) and the peripheral wall (26t) in the battery storage portion (26d). The vehicle floor step structure according to claim 2 .

Images