JP2016094070A - Carpet fixing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a carpet fixing structure which prevents the displacement of a carpet in a position in which the carpet is stretched many times accompanied by the movement of legs of an occupant, suppresses the exposure of the wiring of a controller and a connector, and can improve the quality of appearance.SOLUTION: An instrument panel lower cover 51 is arranged between a center lower part of an instrument panel 5 and a floor tunnel 11, an airbag controller 3 arranged on the floor tunnel 11 is covered with the lower cover 51 from a vehicle rear side, a cover member 7 covering the airbag controller 3 from above is arranged, a fixing face 71 for fixing a vehicle side face 51c of the lower cover 51 to a sidewall face 7c of the cover member 7 is arranged, a step 73 is formed around the fixed face 71, a penetration hole 21 is protrusively formed at the floor carpet 2 covering the floor tunnel 11 from above, and the lower cover 51 is fixed to the fixing face 71 in a state that the penetration hole 21 is inserted into the step 73.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a carpet fixing structure that fixes a carpet and peripheral parts to a cover that covers a vehicle airbag controller disposed on a floor tunnel.

  As shown in FIGS. 7 to 10, an airbag controller 101 of an electronic control device that outputs a control signal for inflating and deploying an airbag in the event of a vehicle collision is usually formed on a floor panel 102 at the center lower part of the instrument panel. It is disposed on the floor tunnel 102a (see, for example, Patent Document 1). Further, the air bag controller 101 and the floor tunnel 102a are covered with a floor carpet 103 fixed on the floor panel 102, an instrument panel lower cover 104 fixed on the lower center of the instrument panel, etc. so as not to be exposed in the vehicle interior. Yes. In the figure, the arrow F direction indicates the front of the vehicle, and the arrow D direction indicates the direction toward the driver's seat.

JP 2001-233154 A

However, in the above-described fixing structure of the floor carpet 103, as shown in FIGS. 7 to 9, since the airbag controller 101 is disposed at the foot of the occupant, the occupant moved his / her foot by depressing the pedal 105 or the like. When the floor carpet 103 is pulled, the terminal 103a of the floor carpet 103 is displaced and the floor panel 102 is exposed. As shown by an arrow E in FIG. There was a fear.
Further, when the terminal 103a of the floor carpet 103 is displaced and the connector 106 and the harness (wiring) 107 connected to the airbag controller 101 are exposed, there is a possibility that the occupant accidentally pulls out the connector 106. Therefore, it is necessary to separately provide a protective cover 108 as shown in FIG.

  The present invention has been made in view of such a situation, and an object of the present invention is to prevent the carpet from being displaced at a position where the carpet is often pulled along with the movement of the occupant's foot, and to connect the controller wiring and connector. An object of the present invention is to provide a carpet fixing structure capable of suppressing the exposure of the ink and improving the appearance quality.

  In order to solve the above-described problems of the prior art, in the present invention, an instrument panel lower cover is disposed between the center lower part of the instrument panel and the floor tunnel, and is disposed on the floor tunnel by the instrument panel lower cover. While the controller is covered from the vehicle rear side, a cover member that covers the controller from above is disposed, and a fixing surface that fixes a side surface of the instrument panel lower cover is provided on a side surface of the cover member. A step hole is provided around the floor carpet, and a through hole is formed in a floor carpet covering the floor tunnel from above, and the instrument panel lower cover is fixed to the fixed surface in a state where the through hole is inserted into the step portion. It is fixed to.

  In the present invention, the fixed portion of the instrument panel lower cover is provided at least on the side surface of the driver seat on the side where the pedal is disposed.

  Further, in the present invention, the instrument panel is formed in a state in which the step portion around the fixed surface is formed in a box shape, and a peripheral portion of the through hole of the floor carpet is locked to the box shape step portion. A lower cover is fixed to the fixed surface.

In the present invention, a piece-like first protrusion is provided near an end of the upper surface of the cover member in a direction away from the fixed surface, and the floor carpet is a slit that is engaged with the first protrusion. Alternatively, a locking hole is provided, and the wiring and connector of the controller are arranged on the side where the first protrusion is provided.

In the present invention, a piece-like second protrusion extending in a direction orthogonal to the first protrusion is provided near the front end of the upper surface of the cover member.

  As described above, in the carpet fixing structure according to the present invention, the instrument panel lower cover is arranged between the center lower part of the instrument panel and the floor tunnel, and the controller arranged on the floor tunnel by the instrument panel lower cover is used for the vehicle. A cover member that covers the controller from above is disposed while being covered from the rear side, and a fixing surface that fixes a side surface of the instrument panel lower cover is provided on a side surface of the cover member, and a step is provided around the fixing surface. A through hole is formed in the floor carpet covering the floor tunnel from above, and the instrument panel lower cover is fixed to the fixed surface in a state where the through hole is inserted into the stepped portion. Because the floor carpet slips and controls Wiring and connectors over can be prevented from being exposed. In particular, the position adjacent to the cover member is a space where the passenger's feet are placed, and the floor carpet is often pulled by the movement of the feet, so by providing a structure to prevent the floor carpet from shifting at that position, the entire controller The controller wiring and connector exposure can be reliably suppressed without having to be surrounded by instrument panel or center console components or covered with covers.

In the present invention, since the fixed portion of the instrument panel lower cover is provided at least on the side surface on the side where the pedal of the driver's seat is disposed, even when the fixed portion is disposed only on one side surface. Further, it is possible to prevent the floor carpet from being displaced due to the movement of the foot accompanying the pedal operation of the driver's seat, and it is possible to achieve both the reduction in the number of parts and man-hours and the effect of preventing the floor carpet from being displaced.

  Further, in the present invention, the instrument panel is formed in a state in which the step portion around the fixed surface is formed in a box shape, and a peripheral portion of the through hole of the floor carpet is locked to the box shape step portion. Since the lower cover is fixed to the fixed surface, even when the cover member is formed using a member having low rigidity such as a resin material, when the floor carpet is pulled, the deformation of the fixed surface is suppressed and the floor is suppressed. The carpet can be prevented from shifting. Moreover, according to the structure of the present invention, even when a foot moved by a driver's pedal operation hits the fixed surface, it is possible to prevent the fixed surface from being deformed and to reliably maintain the floor carpet. be able to.

  In the present invention, a piece-like first protrusion is provided near an end of the upper surface of the cover member in a direction away from the fixed surface, and the floor carpet is a slit that is engaged with the first protrusion. In addition, since the locking holes are provided and the wiring and connectors of the controller are arranged on the side where the first protrusions are provided, it is possible to prevent the floor carpet from shifting to the vehicle rear side, and Wiring and connectors can be covered with carpet pieces of floor carpet. As a result, the wiring and connectors of the controller cannot be seen from the occupant's viewpoint, so that it is possible to prevent the occupant from accidentally disconnecting the connector from the controller, and to improve the appearance quality. In addition, since the controller wiring and connectors are not exposed to the outside, a conspicuous color such as yellow can be used for the wiring and connectors, indicating that the connectors and wiring are connected to important parts. To prevent forgetting the wiring work.

Further, in the present invention, since a piece-like second protrusion extending in a direction perpendicular to the first protrusion is provided near the front end portion of the upper surface of the cover member, the first protrusion, the second protrusion, and the floor By engaging with the carpet, the floor carpet can be prevented from shifting in the front-rear and left-right directions, and the controller wiring and connectors can be reliably prevented from being exposed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vehicle floor panel to which a carpet fixing structure according to an embodiment of the present invention is applied and a vehicle front side shown in a state before a floor carpet covering the floor panel is attached. It is a perspective view which shows the instrument panel of a vehicle, the floor tunnel, and its periphery component to which the carpet fixing structure which concerns on embodiment of this invention is applied from a vehicle rear side. It is a perspective view which expands the fixing | fixed part of the floor carpet which concerns on embodiment of this invention, and shows the state before an instrument panel lower cover is fixed. It is a perspective view which shows the cover member which covers the controller of the carpet fixing structure which concerns on embodiment of this invention from upper part. FIG. 4 is a cross-sectional view taken along the vehicle width direction when the floor carpet and the instrument panel lower cover in FIG. 3 are fastened together. FIG. 5 is a cross-sectional view taken along the vehicle front-rear direction, showing the positional relationship between the floor carpet locked to the upper surface of the cover member in FIG. 4, the connector of the controller, and the harness. It is a perspective view which shows the instrument panel of a vehicle to which the conventional carpet fixing structure is applied, a floor tunnel, and its peripheral components from the vehicle rear side. It is a perspective view which shows the state which the floor carpet of the conventional carpet fixing structure slip | deviated and the floor panel exposed. It is a perspective view which shows the arrangement | positioning relationship between the floor carpet in the conventional carpet fixing structure, the connector of a controller, and a harness. FIG. 7 is a cross-sectional view taken along the vehicle front-rear direction, showing a positional relationship between a connector and a harness of a controller covered with a protective cover in a conventional carpet fixing structure.

Hereinafter, the present invention will be described in detail based on illustrated embodiments.
1 to 6 show a carpet fixing structure according to an embodiment of the present invention. In the figure, the arrow F direction indicates the front of the vehicle, and the arrow D direction indicates the direction toward the driver's seat.

As shown in FIGS. 1, 2, and 5, the upper part of the floor panel 1 of the vehicle to which the carpet fixing structure according to the embodiment of the present invention is applied has a shape substantially corresponding to the front side of the floor panel 1. A floor tunnel 11 extending along the vehicle front-rear direction is provided at a central portion in the vehicle width direction. The floor tunnel 11 is formed in a substantially inverted U shape so as to protrude upward from the vehicle, and an air bag (not shown) is formed on the upper portion of the floor tunnel 11 near the front end in the vehicle front-rear direction. A bracket 4 for mounting an air bag controller 3 which is an electronic control device that outputs a control signal for inflating and deploying the air bag) is stacked.
Therefore, the bracket 4 is formed in a U-shape in which an opening having an upper wall portion 4 a and left and right side wall portions 4 b is arranged downward, and the lower ends of the left and right side wall portions 4 b are formed on the left and right side surfaces of the floor tunnel 11. Each is fixed to the upper part by welding or the like. Further, the airbag controller 3 is fixed in a state where it is installed on the upper surface of the upper wall portion 4a of the bracket 4, and, as shown in FIG. 6, wiring connected via a connector 31 provided at the rear portion ( Harness) 32 is provided.

As shown in FIG. 2, an instrument panel 5 of a large resin part is provided over the entire width in the vehicle width direction on the front side of the vehicle in the vehicle interior, and inside the instrument panel 2 in the vehicle width direction. A steering support member 6 extending along the axis is incorporated. The steering support member 6 is a rigid metal part configured by connecting flange-like coupling brackets 61 to both left and right ends in the vehicle width direction, and the coupling brackets 61 at both left and right ends are fixed to the side of the vehicle body. Thus, the instrument panel 5 is attached to the front portion of the vehicle body via the steering support member 6.

Further, as shown in FIGS. 2 and 3, an instrument panel lower cover 51 is disposed between the lower center of the instrument panel 5 and the floor tunnel 11 so as to fill between the two. By the lower cover 51, the airbag controller 3 disposed on the floor tunnel 11 is covered from the vehicle rear side. However, the instrument panel lower cover 51 is formed in a substantially U-shaped cross section by a vehicle rear surface portion 51a having an opening and vehicle side surface portions 51b and 51c extending from the left and right sides of the vehicle rear surface portion 51a toward the front of the vehicle. A part of the vehicle rear surface portion 51a and the vehicle side surface portions 51b and 51c only cover the airbag controller 3, and a hole is provided and opened at a place where the floor carpet 2 and the airbag controller 3 are arranged. Therefore, if you dive into your feet and look from the side, you can see the connector 31 and the wiring 32 of the airbag controller 3 from the gap in the hole of the floor carpet 2. For this reason, when the floor carpet 2 is stepped on with a foot or the like, the position of the floor carpet 2 is displaced, and the connector 31 and the wiring 32 of the airbag controller 3 may be further exposed from the hole of the floor carpet 2.

  Therefore, in the carpet fixing structure of the present embodiment, as shown in FIGS. 1 to 6, a resin cover member 7 that covers the airbag controller 3 from the upper part of the vehicle is disposed. The cover member 7 includes an upper wall surface portion 7a and side wall surface portions 7b and 7c extending downward from the left and right sides of the upper wall surface portion 7a. The cover member 7 is formed in a substantially U-shaped cross section with a downward arrangement, and the side wall surface portion 7b. , 7c are fixed to the bracket 4 by fastening with a screw (or a clip or the like) 8 in a state in which a plurality of lower ends (two in the present embodiment) are superimposed on the left and right side walls 4b of the bracket 4. ing. For this reason, insertion holes 40 and 70 for inserting the screws 8 are respectively drilled in corresponding portions of the left and right side wall portions 4b of the bracket 4 and the side wall surface portions 7b and 7c of the cover member 7. Moreover, a fixing surface 71 for fixing the fixing portion 52 of the vehicle side surface portion 51c of the instrument panel lower cover 51 by the clip 9 is provided on the side wall surface portion 7c located on the driver seat side (right side in the drawing) of the cover member 7. Yes. Clip holes 72 and 53 into which the clips 9 are inserted are provided at corresponding positions on the fixing surface 71 of the cover member 7 and the fixing portion 52 of the instrument panel lower cover 51, respectively.

That is, the fixing part 52 of the instrument panel lower cover 51 is provided only on the vehicle side part 51c on the driver's seat side where the pedal is arranged among the vehicle side parts 51b and 51c, and only one side is fixed with the clip 9. Thus, the vehicle side surface portion 51b on the opposite side is not fixed and is configured to be disposed only by being in contact with the floor carpet 2. Thereby, even if the fixed part 52 of the instrument panel lower cover 51 is arranged only on the vehicle side part 51c on one side, the displacement of the floor carpet 2 due to the movement of the foot accompanying the pedal operation of the driver's seat is prevented. It is possible to reduce the number of parts and the number of work steps. Note that the vehicle side surface portion 51c provided with the fixing portion 52 extends to the front side of the vehicle larger than the vehicle side surface portion 51b on the opposite side due to the positional relationship with the peripheral components.

Further, as shown in FIGS. 3 to 5, a step portion 73 protruding toward the driver's seat is provided around the fixed surface 71 of the cover member 7. It is formed in a substantially square box shape. On the other hand, a through hole 21 having a size and shape substantially corresponding to the stepped portion 73 of the cover member 7 is formed on the front side of the floor carpet 2 that covers the floor tunnel 11 from above. Is provided at substantially the same position as the stepped portion 73 of the cover member 7. That is, in the carpet fixing structure of the present embodiment, the through hole 21 of the floor carpet 2 is inserted into the step 73 of the cover member 7, and the peripheral portion of the through hole 21 is locked to the box-shaped step 73. Thus, the fixing portion 52 of the instrument panel lower cover 51 is fixed to the fixing surface 71 of the cover member 7 by the clip 9, and the floor carpet 2 and the instrument panel lower cover 51 are fastened together.
With such a structure, even if the cover member 7 is formed of a low-rigidity member such as a resin material, the foot moved when the floor carpet 2 is pulled or by a driver's pedal operation is fixed to the vehicle side surface 51c. It is possible to prevent the floor carpet 2 from being displaced by preventing deformation caused by the force applied to the fixed surface 71 via the vehicle side surface 51c, the fixed portion 52, the clip 9 and the like when hitting the portion 52, the clip 9 and the like. It has become.

Further, as shown in FIGS. 3, 4, and 6, an upright piece-like shape is located near the end in the direction away from the fixed surface 71 of the upper wall surface portion 7 a of the cover member 7, as shown in FIGS. 3, 4, and 6. The first projection 74 is formed in a shape extending along the vehicle width direction and having an upper portion bent obliquely upward toward the front of the vehicle. On the other hand, on the vehicle front side of the floor carpet 2 that covers the cover member 7 from above, there is provided a slit (or locking hole) 22 into which the first protrusion 74 is inserted and locked to the first protrusion 74. Therefore, the connector 31 and the wiring 32 of the airbag controller 3 are disposed on the side where the first protrusion 74 is provided. With such an arrangement and shape, even when the floor carpet 2 is pulled to the vehicle rear side, the floor carpet 2 is caught by the first protrusion 74 and held, and the floor carpet 2 is prevented from shifting to the vehicle rear side. The connector 31 and the wiring 32 of the airbag controller 3 are always covered with the carpet pieces of the floor carpet 2 so that they are not visible to the passenger as indicated by the arrow E in FIG.

  In the carpet fixing structure according to the embodiment of the present invention, an instrument panel lower cover 51 is disposed between the lower center of the instrument panel 5 and the floor tunnel 11 of the floor panel 1. The airbag controller 3 arranged at the upper part is covered from the rear side of the vehicle, the cover member 7 covering the airbag controller 3 from the upper part is arranged, and the vehicle of the instrument panel lower cover 51 on the side wall surface portion 7c on the driver seat side of the cover member 7 A fixing surface 71 for fixing the side surface portion 51 is provided, a stepped portion 73 is provided around the fixing surface 71, a through hole 21 is formed in the floor carpet 2 covering the floor tunnel 11 from above, and the stepped portion 73 is penetrated. Instrument panel lower cover with hole 21 inserted 1 is fixed to the fixed surface 71, the floor carpet 2 is not pulled and displaced by the movement of the occupant's feet, and the floor carpet 2 is held at a predetermined position, so that the airbag controller 3 It is possible to prevent the wiring 32 and the connector 31 from being exposed. Moreover, since the wiring controller 32 and the connector 31 of the airbag controller 3 are not exposed even if the entire airbag controller 3 is not surrounded by peripheral components such as the instrument panel 5 as in the conventional structure, the design freedom is eliminated. The degree of appearance can be increased and the appearance quality can be improved.

Further, in the carpet fixing structure of the embodiment of the present invention, the stepped portion 73 of the fixing surface 71 of the cover member 7 is formed in a box shape, and the through-hole 21 of the floor carpet 2 is passed through the box-shaped stepped portion 73 and penetrated. Since the fixing portion 52 of the instrument panel lower cover 51 is fixed to the fixing surface 71 of the cover member 7 by the clip 9 with the peripheral edge of the hole 21 locked to the box-shaped step 73, the floor carpet 2 and The instrument panel lower cover 51 and the instrument panel lower cover 51 can be fastened together, reducing the number of work steps and the number of clips, and realizing cost reduction. Moreover, according to the carpet fixing structure of the present invention, even when the cover member 7 is a low rigidity member such as a resin material, the deformation of the fixing surface 71 of the cover member 7 is suppressed when the floor carpet 2 is pulled. The floor carpet 2 can be prevented from shifting and the floor carpet 2 can be held.

  While the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and changes can be made based on the technical idea of the present invention.

  For example, in the above-described embodiment, the first protrusion 74 is provided on the vehicle rear side of the upper wall surface portion 7a of the cover member 7, but in a direction orthogonal to the first protrusion 74 as shown in FIG. The extending second protrusion 75 may be provided near the front end portion of the upper wall surface portion 7 a of the cover member 7. Correspondingly, the floor carpet 2 is provided with a slit (not shown) that is engaged with the second protrusion 75. Thus, when the first protrusion 74 and the second protrusion 75 in different positions and directions are provided on the upper wall surface portion 7a of the cover member 7, when the floor carpet 2 is pulled in the vehicle front-rear left-right direction, Since the first protrusion 74 and the second protrusion 75 and the floor carpet 2 are engaged with each other, the floor carpet 2 is prevented from shifting in the front-rear and left-right directions, and the wiring 32 and the connector 31 of the airbag controller 3 are exposed. It can be surely prevented.

DESCRIPTION OF SYMBOLS 1 Floor panel 2 Floor carpet 3 Airbag controller 4 Bracket 4a Upper wall part 4b Side wall part 5 Instrument panel 6 Steering support member 7 Cover member 7a Upper wall surface part 7b, 7c Side wall surface part 8 Screw 9 Clip 11 Floor tunnel 21 Through-hole 22 Slit 31 Connector 32 Wiring 40 Insertion hole 51 Instrument panel lower cover 51a Vehicle rear surface part 51b, 51c Vehicle side surface part 52 Fixed part 53 Clip hole 70 Insertion hole 71 Fixed surface 72 Clip hole 73 Step part 74 First protrusion 75 Second protrusion

Claims (5)

An instrument panel lower cover is disposed between the center lower part of the instrument panel and the floor tunnel, and the controller disposed on the floor tunnel is covered from the vehicle rear side by the instrument panel lower cover,
A cover member that covers the controller from above is disposed, and a fixing surface that fixes a side surface of the instrument panel lower cover is provided on a side surface of the cover member,
A stepped portion is provided around the fixed surface, and a through hole is formed in a floor carpet covering the floor tunnel from above, and the instrument panel lower cover is inserted into the stepped portion. Is fixed to the fixing surface.   The carpet fixing structure according to claim 1, wherein the fixing portion of the instrument panel lower cover is provided on at least a side surface of the driver seat on the side where the pedal is disposed.   The step around the fixed surface is formed in a box shape, and the instrument panel lower cover is fixed to the fixed surface in a state where the peripheral portion of the through hole of the floor carpet is locked to the box-shaped step. The carpet fixing structure according to claim 1 or 2, wherein the carpet fixing structure is fixed.   A piece-like first protrusion is provided near the end of the upper surface of the cover member in a direction away from the fixed surface, and a slit or a locking hole for locking the first protrusion is provided in the floor carpet. The carpet fixing structure according to any one of claims 1 to 3, wherein the wiring and the connector of the controller are arranged on the side where the first protrusion is provided.   The carpet fixing structure according to claim 4, wherein a piece-like second protrusion extending in a direction orthogonal to the first protrusion is provided near a front end portion of the upper surface of the cover member.

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