WO2019116560A1

WO2019116560A1 - Vehicle floor carpet opening structure

Info

Publication number: WO2019116560A1
Application number: PCT/JP2017/045177
Authority: WO
Inventors: 浩章花田; 誠一郎永野
Original assignee: 日産自動車株式会社
Priority date: 2017-12-15
Filing date: 2017-12-15
Publication date: 2019-06-20
Also published as: JP6935820B2; JPWO2019116560A1

Abstract

A vehicle floor carpet opening structure wherein the portion of a floor carpet (F2) covering a power supply (6) is formed with an opening (11) and a cap (12) capable of opening and closing the opening (11). At least a part of the inside edge of the opening (11) is defined by a cut (C) formed in said portion. At least a part of the outside edge of the cap (12) is defined by the cut (C). The cut faces (11C, 12C) formed by the cut (C) are inclined relative to the thickness direction (T) of the floor carpet (F2) around the cut (C).

Description

Opening structure of vehicle floor carpet

The present invention relates to an opening structure of a vehicle floor carpet.

Patent Document 1 discloses a vehicle provided with a battery unit on a floor panel. The battery cover of the battery unit is provided with a plug access port for accessing the maintenance plug from the outside of the battery unit. The plug access port is covered by a removable access cover.

JP 2017-165305

By the way, in a vehicle in which a power supply device for driving the vehicle is disposed on a floor panel, an opening for accessing the power supply device from the vehicle interior side may be provided in the floor carpet covering the power supply device. In this case, noise emitted from the power supply device may leak into the vehicle compartment from the gap between the opening and the lid thereof, which may reduce the quietness of the vehicle interior.

An object of the present invention is to suppress the leakage of noise emitted from a power supply device into a vehicle compartment and to improve the quietness of the vehicle compartment.

In the opening structure of the floor carpet for a vehicle according to one aspect of the present invention, an opening and a lid portion capable of opening and closing the opening are formed in a portion covering the power supply device of the floor carpet laid to cover the power supply device. It is done. A cut is formed in the portion, and the cut defines at least a portion of the inner edge of the opening and at least a portion of the outer edge of the lid. The cut surface by the incision is inclined with respect to the thickness direction of the floor carpet near the incision.

According to the present invention, it is possible to suppress the leakage of noise emitted from the power supply device into the vehicle compartment and to improve the quietness of the vehicle compartment.

FIG. 1 is a side view of a vehicle according to the embodiment. FIG. 2 is a perspective view showing the structure of a floor carpet for a vehicle. FIG. 3 is a perspective view showing the configuration of the second floor carpet. FIG. 4 is a perspective view showing the opening formed in the bulging portion of the second floor carpet and the lid portion in the open position. FIG. 5 is a cross-sectional view taken along the line VV of FIG. 6 is a cross-sectional view taken along the line VI-VI in FIG. FIG. 7 is a plan view of the tongue portion and the fixing piece in a state in which the lid portion is in the closed position and the clip is not inserted into the first and second through holes.

Hereinafter, the opening part structure of the floor carpet for vehicles concerning embodiment is demonstrated with reference to FIG. 1 thru | or FIG. In the drawings, the front of the vehicle is indicated as FR, the rear of the vehicle as RR, the right in the vehicle width direction as RH, the left in the vehicle width direction as LH, and the upper side of the vehicle as UP.

As shown in FIG. 1, in the vehicle 1 according to the embodiment, a front seat 3 is disposed in a front seat in a cabin 2. The front seat 3 is composed of a right seat, which is a driver's seat, and a left seat, which is a front passenger seat, arranged in the vehicle width direction. Both sheets are configured to be slidable in the front-rear direction on the seat rails, respectively. A rear seat 4 is disposed in the rear of the front seat 3, behind the second seat and in the third row. The rear seat 4 in the third row is not shown.

In the vehicle 1, a power supply device 6 for driving the vehicle is disposed below the front seat 3 and above the floor panel 5. The power supply device 6 is a high voltage device having a battery unit 7 for storing power supplied to the electric motor, and a control device (inverter, DC / DC converter, etc.) for controlling the power of the battery unit 7 to a predetermined voltage. During the operation of the power supply 6, noise (high frequency noise) is generated mainly due to the operation of the control device.

The battery unit 7 has a substantially rectangular parallelepiped shape having a longitudinal direction in the vehicle width direction, and extends in the vehicle width direction from under the right side seat to below the left side seat. A front cross member 8 a extends along the vehicle width direction on the front side of the battery unit 7, and a rear cross member 8 b extends along the vehicle width direction on the rear side of the battery unit 7. There is. The front part of the battery unit 7 is fastened to the front cross member 8a, and the rear part of the battery unit 7 is fastened to the rear cross member 8b.

As shown in FIGS. 1 and 2, a floor carpet F is laid on the floor panel 5. The floor carpet F includes a surface material layer constituting a carpet surface, a backing material layer as a backing material, a buffer material layer made of felt or foam, and the like, and has sound insulation and sound absorption performance in a wide frequency range. The floor carpet F is given a shape according to the uneven shape of the floor panel 5 and the power supply device 6 by press molding.

The floor carpet F is composed of a first floor carpet F1, a second floor carpet F2, and a third floor carpet F3. The first floor carpet F1 is laid on the floor panel 5 in front of the power supply 6, the second floor carpet F2 is laid to cover the power supply 6 from above, and the third floor carpet F3 is laid on the power supply 6 It is laid on the rear floor panel 5.

As shown in FIG. 1 to FIG. 3, the second floor carpet F2 has a bulging portion 9 that accommodates the power supply device 6 so as to cover it. The bulging portion 9 has a shape in which a substantially rectangular area bulges upward in a plan view, and the top wall 9a, the front wall 9b, the back wall 9c, the left wall 9d, and the right And a wall 9e. In the top wall portion 9a, a recessed groove 9f extending in the front-rear direction is formed at a position corresponding to the two seat rails on the center side in the vehicle width direction. The front wall 9b extends below the front edge of the top wall 9a, and the back wall 9c extends below the rear edge of the top wall 9a. The left wall 9 d extends downward from the left edge of the top wall 9 a, and the right wall 9 e extends downward from the right edge of the top wall 9 a. An accommodation space S is defined between the bulging portion 9 and the floor panel 5, and the power supply device 6 is accommodated in the accommodation space S. An outer peripheral edge portion 10 extending along the upper surfaces of the floor panel 5 and the front and

rear cross members

8 a and 8 b is provided around the bulging portion 9.

The bulging portion 9 is provided with a concavo-convex shape corresponding to the shape of the power supply device 6, and a large number of convex bending portions p and concave bending portions v are formed. In the convex bending portion p, the second floor carpet F2 is locally bent with a curvature larger than that of the surrounding wall (including the flat wall) so as to be convex toward the vehicle interior, and the concave bending portion In v, it is bent so as to be concave toward the vehicle interior. The convex bending portion p forms a ridge line r extending linearly or curvilinearly along the surface of the bulging portion 9 on the vehicle interior side.

For example, in the left front portion of the bulging portion 9, a convex bending portion p is formed at a portion where the front wall portion 9b and the left wall portion 9d intersect. The ridge line r is substantially linear, and is inclined so as to be positioned forward as it goes downward. In addition, a convex bending portion p is formed at the intersection of the front wall portion 9b and the top wall portion 9a, and the ridge line r extends substantially linearly along the vehicle width direction. Furthermore, the convex bending part p is formed in the part which the front wall part 9b and the left side wall of the concave groove 9f of the left side cross | intersect. The ridge line r is substantially linear, and is inclined so as to be positioned forward as it goes downward.

As shown in FIGS. 3 and 5, a substantially C-shaped cut C opened downward as viewed from the vehicle interior side is inserted in the left front portion of the bulging portion 9. The incision C penetrates from the surface on the vehicle interior side of the bulging portion 9 to the back surface on the side opposite to the vehicle interior, and the opening C and the lid 12 are formed by the incision C.

As shown in FIGS. 3 and 4, the opening 11 has a substantially rectangular shape, and in the inner edge of the opening 11, both ends of the upper side 11 a and the two left and

right sides

11 b and 11 c are notches C Is defined by Further, the lid 12 has a substantially rectangular shape corresponding to the opening 11, and the upper side 12a and the two left and

right sides

12b and 12c of the outer edge of the lid 12 are defined by the notch C. ing. The lid portion 12 is connected to the lower side 11d of the inner edge portion of the opening 11 at the lower side 12d of the outer edge portion, and is integrated with the second floor carpet F2. The lid 12 bends the second floor carpet F2 at a position corresponding to the lower side 12d of the outer edge, thereby providing back and forth between the open position shown by an alternate long and short dash line in FIG. 6 and the closed position shown by a solid line in FIG. It can be pivoted so that the lid 12 can open and close the opening 11. The opening 11 has a size that allows access to the power supply device 6 from the vehicle compartment side when the lid 12 is in the open position. For example, the shutdown switch of the battery unit 7 is operated from the vehicle compartment side It is possible to

Further, as shown in FIG. 3, a part of the incision C is formed along the ridge line r of the bent portion. At a portion where the incision C is formed along the ridge line r, as shown in FIG. 5, in the cross section of the incision C, a part of the convex bending portion p constitutes the outer edge of the lid 12. The incision C may be formed outside the convex bending portion p in the same cross section, and the entire convex bending portion p may form the outer edge portion of the lid 12.

As shown in FIG. 5, in the cross section of the incision C, the inner edge of the opening 11 is a surface 11A on the vehicle interior side, a back surface 11B on the opposite side of the vehicle interior, an edge of the surface 11A and an edge of the back surface 11B And a side surface 11C connecting the Further, the outer edge portion of the lid portion 12 has a surface 12A on the vehicle interior side, a back surface 12B on the side opposite to the vehicle interior, and a side surface 12C connecting an edge of the surface 12A and an edge of the back surface 12B. . Among these, the side surface 11C of the inner edge portion and the side surface 12C of the outer edge portion are cut surfaces by the incision C.

The side surfaces 11C and 12C are substantially parallel to each other, and are inclined with respect to the thickness direction T of the floor carpet F near the incision C. Therefore, when the incision C is viewed from the vehicle interior along the thickness direction T, the edge of the back surface 11B of the opening 11 is located closer to the center of the opening 11 than the edge of the surface 12A of the lid 12 . That is, when the lid 12 is in the closed position, the accommodation space S below the second floor carpet F2 is blocked by the surface 12A of the lid 12 and is difficult to see.

As shown in FIG. 4, the lid 12 has a flat plate-like main body 13 cut out from the front wall 9 b of the bulging part 9 and a flat plate-like tongue piece cut out from the top wall 9 a of the bulging part 9. And fourteen. As shown in FIG. 6, the tongue portion 14 is bent so as to be convex toward the vehicle interior from the upper portion of the main body portion 13 and extends rearward. The tongue piece 14 is provided with two first through holes 15.

A fixing piece 16 made of resin, for example, is attached to a portion corresponding to the tongue piece 14 in the inner edge portion of the opening 11. The fixing piece 16 is provided with two second through holes 17. The fixed piece 16 is fastened to the tongue piece 14 by a clip 18 made of, for example, resin, which is a fastener that is inserted into both the through

holes

15 and 17.

As shown in FIGS. 6 and 7, the second through hole 17 is in a state in which the lid 12 is in the closed position and the opening 11 is closed, and the clip 18 is not inserted into both through

holes

15 and 17. Is offset from the first through hole 15 in the extension direction of the tongue portion 14. The outer diameter D1 of the insertion portion of the clip 18 is smaller than the inner diameter D2 of both the through

holes

15 and 17 but larger than the shortest diameter D3 of the through hole formed by the two through

holes

15 and 17 in the offset state. Therefore, when the clip 18 is inserted into both through

holes

15 and 17 and the tongue piece 14 is fastened to the fixing piece 16, a tensile force in the direction shown by the arrow in FIG. 6 is applied to the tongue piece 14. Ru.

Hereinafter, the operation and effect according to the present embodiment will be described.

In the present embodiment, as shown in FIG. 5, the cut surfaces 11C and 12C by the cut C at the inner edge of the opening 11 and the outer edge of the lid 12 are in the thickness direction T of the second floor carpet F2 near the cut C. It is inclined against. Therefore, the width W of the cut surfaces 11C and 12C is larger than when the cut surfaces 11C and 12C are parallel to the thickness direction T, and the depth of the gap formed between the cut surfaces 11C and 12C is increased. As a result, leakage of noise generated by the power supply device 6 into the vehicle compartment is suppressed. In addition, when the incision C is viewed in the thickness direction T of the floor carpet F, the accommodation space S below the second floor carpet F2 is difficult to see, so the appearance of the opening of the second floor carpet F2 is improved.

Also, the second floor carpet F2 (floor carpet F) has sound absorbing performance. And as above-mentioned, since cut surface 11C, 12C inclines with respect to thickness direction T, the area of cut surface 11C, 12C is larger than the case where they are parallel to thickness direction T. For this reason, when the noise generated by the power supply device 6 passes from the accommodation space S side to the vehicle interior side from the accommodation space S side, the noise generated in the power supply device 6 flows from the cut surfaces 11C, 12C into the second floor carpet F2. It is easy to be absorbed by Thereby, it is possible to suppress the leakage of the noise generated by the power supply device 6 into the vehicle compartment.

Furthermore, in a state in which the lid 12 closes the opening 11 and in a state in which the clip 18 is not inserted into the first and second through

holes

15 and 17, the second through hole 17 is inserted into the first through hole 15. On the other hand, the tongue pieces 14 are offset in the extending direction. Therefore, the main body 13 can be drawn in the extension direction of the tongue piece 14 by inserting the clip 18 into both the through

holes

15 and 17 and fastening the tongue piece 14 to the fixing piece 16. Thereby, the width of the gap formed between the inner edge of the opening 11 and the outer edge of the lid 12 can be further reduced, and the sound insulation of the opening of the second floor carpet F2 can be further improved.

Further, since the tongue piece portion 14 is bent and extended so as to be convex from the main body portion 13 to the vehicle interior side, the pull-in force generated when fastening the tongue piece portion 14 to the fixing piece 16 is It can be made to act on the direction toward the opposite side of the vehicle cabin (inside of the accommodation space S) with respect to 13. As a result, the outer edge of the lid 12 can be drawn toward the inner edge of the opening 11 with a greater force, and the width of the gap formed between them can be further reduced to open the second floor carpet F2. The sound insulation of the part can be further improved.

Further, since the lid 12 is connected to the lower side 11d of the opening 11 at the lower side 12d of the outer edge and is integral with the second floor carpet F2, the lid 12 can be integrally formed with the second floor carpet F2. The appearance of the opening of the second floor carpet F2 is improved.

Furthermore, since the incision C is formed along the ridge line r of the convex bending portion p, and a part of the convex bending portion p constitutes a part of the lid portion 12, a rib shape is formed on the peripheral portion of the lid portion 12 Is given to improve the rigidity of the lid 12.

The above embodiments are merely exemplary described to facilitate the understanding of the invention. The technical scope of the invention is not limited to the specific technical matters disclosed in the above embodiment, but also includes various modifications, alterations, and alternative technologies that can be easily derived therefrom.

For example, in the above embodiment, although the outer edge of the lid 12 and a part of the inner edge of the opening 11 are defined by the incision C, the entire periphery of the outer edge and the inner edge is defined by the incision C. The portion 12 may be configured to be removable from the opening 11. Further, the shape of the incision C when viewed from the vehicle interior side is not particularly limited, and may be a C-shape, a U-shape, an L-shape, a circle, an ellipse, a polygon or the like. The position at which the outer edge of the lid 12 and the inner edge of the opening 11 are integrally connected is not particularly limited. For example, the right side 12 c of the outer edge of the lid 12 and the right side 11 c of the inner edge of the opening 11 are connected You may

The said opening part structure can be utilized for the floor carpet installed so that the said power supply device might be covered in the vehicle which mounted the power supply device on the floor panel.

2 cabin 5 floor panel 6 power supply F2 second floor carpet (floor carpet)
9 bulging part (part that covers the power supply)
C notched T thickness direction 11 opening 11C side surface (cut surface)
12 lid 12C side (cut surface)
13 body part 14 tongue piece part 15 first through hole 16 fixed piece 17 second through hole 18 clip (fastener)
p convex bend (bent)
r ridge line

Claims

A power supply for driving a vehicle disposed above the floor panel;
A floor carpet laid on the floor panel to cover the power supply;
Equipped with
The portion covering the power supply of the floor carpet is
An opening defined by at least a portion of the inner edge by a cut formed in the portion;
A lid portion capable of opening and closing the opening, wherein at least a part of the outer edge portion is defined by the incision;
Is formed,
An opening structure of a floor carpet for a vehicle, characterized in that a cut surface by the cut at the inner edge and the outer edge is inclined with respect to a thickness direction of the floor carpet near the cut.
The lid portion includes a flat plate-like main body portion, and a tongue portion portion extending from the main body portion and having a first through hole.
The inner edge portion of the opening is provided with a fixing piece that has a second through hole and that is fastened to the tongue piece by a fastener that is inserted into the first and second through holes.
In the state where the lid portion closes the opening, and in the state where the fastener is not inserted into the first and second through holes, the second through hole corresponds to the first through hole. The opening structure of a floor carpet for a vehicle according to claim 1, which is offset in the extending direction of the tongue portion.
The opening structure of a floor carpet for a vehicle according to claim 2, wherein the tongue portion is bent and extended so as to be convex toward the vehicle interior side from the main body portion.
The said cover part is connected to a part of inner edge part of the said opening in a part of said outer edge part, and is integral with the said floor carpet, It is described in any one of the Claims 1 thru | or 3 characterized by the above-mentioned. Of car floor carpet opening structure.
In a portion covering the power supply device of the floor carpet, a bent portion is formed so as to be convex toward the vehicle interior and a ridge is formed on a surface of the portion on the vehicle interior side,
The incisions are formed along the ridges,
The opening structure of a floor carpet for a vehicle according to any one of claims 1 to 4, wherein at least a part of the bent part constitutes a part of the lid.