JP4222161B2 - Fixing structure of the end of the instrument panel - Google Patents

Description

  The present invention relates to a fixing structure of an end portion of an instrument panel provided in a vehicle such as an automobile.

  An instrument panel mounted on a front part of a vehicle compartment such as an automobile is fixed to a member on the body (vehicle body) side by a fixing part such as a bolt or a clip. In order to fix the end of the instrument panel, for example, the end of the instrument panel is inserted between the panel member of the cowl top upper that is a part of the body and the windshield glass. . In this case, a pad is provided between the end of the instrument panel and the windshield glass, and the end of the instrument panel is pressed by the elasticity of the pad.

As another conventional example for fixing the end portion of the instrument panel, as described in Patent Document 1 below, the end portion of the instrument panel is fixed to a bracket provided on the body side with a screw member. It has also been proposed.
Japanese Utility Model Publication No. 5-26592

  In the conventional example, the former is because the end of the instrument panel is simply sandwiched between the vehicle body side member (the cowl top upper) and the windshield glass, so that the vibration during traveling is large. There is a possibility that the end of the instrument panel rubs against a member on the vehicle body side and the end of the instrument panel is worn.

  In the latter example of the conventional example, the end of the instrument panel is fixed to the body-side member by a screw member, so that the end of the instrument panel can be fixed with relatively high strength. However, in this case, it is necessary to form a hole for inserting the screw member in each of the end portion of the instrument panel and the member on the vehicle body side. It is not preferable to make a hole in the panel member that partitions the interior of the vehicle interior from the exterior of the vehicle interior in order to improve the waterproofness and sound insulation of the interior of the vehicle interior.

  Accordingly, an object of the present invention is to provide a fixing structure for an end portion of an instrument panel that can fix an end portion of an instrument panel to a panel member with a screw and can ensure sealing performance.

The fixing structure of the end portion of the instrument panel according to the present invention is a body-side panel member that partitions the interior of the vehicle interior from the exterior of the vehicle interior, and includes a panel member having a mounting wall in which a grommet mounting hole is formed at a predetermined position, A sealing material provided between the panel member and the windshield glass, an end of the instrument panel in which a through hole is formed at a position corresponding to the grommet mounting hole, and a grommet inserted into the grommet mounting hole And a grommet having a cylindrical portion whose tip is closed, a flange portion formed at the open end of the cylindrical portion, and a seal member provided on the back side of the flange portion, and a tapping screwed into the cylindrical portion of the grommet ; and a screw, the instrument panel has an end wall extending upward obliquely forward to face the mounting wall, said flange portion The surface facing the end wall has a shape in which a central portion into which the tapping screw is inserted is in contact with the end wall, and a gap between the end wall extends from the central portion toward the outer periphery of the flange portion. The grommet is attached to the panel member by inserting the grommet into the grommet mounting hole of the panel member from the vehicle interior side, and the end wall of the end portion of the instrument panel is attached to the panel member and the flange portion. The panel member and the end of the instrument panel are overlapped from the vehicle interior side, the tapping screw is inserted into the through hole of the instrument panel from the vehicle interior side, and the tapping screw is screwed into the grommet. The end of the instrument panel with the flange and the seal member sandwiched between A garnish member that is fixed to the panel member and covers the tapping screw is disposed above the end portion of the instrument panel, and a pad member that abuts the windshield glass is provided on the top surface of the tip portion of the garnish member. It has been.

  In a preferred embodiment of the present invention, a garnish member that covers the tapping screw is disposed above the end of the instrument panel.

  According to this invention, the end of the instrument panel can be fixed to the body-side panel member by the tapping screw from the vehicle interior side, and vibration of the end of the instrument panel can be suppressed. Moreover, the rigidity of the edge part of an instrument panel increases.

  According to the present invention, waterproofness and sound insulation can be enhanced by sandwiching the flange portion of the grommet having a sealing function and the sealing member between the panel member and the end portion of the instrument panel. Moreover, since the edge part of an instrument panel does not contact | connect the body side panel member directly, problems, such as abrasion, can be avoided.

In this invention, when the garnish member is arranged above the end of the instrument panel and the head of the tapping screw is covered with the garnish member, the tapping screw and the recesses and end walls of the instrument panel are covered by the garnish member. Etc. are covered, so the appearance can be improved. And the pad member which contact | abuts to a windshield glass is provided in the upper surface of the front-end | tip part of this garnish member.

An embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 shows a panel member 10 constituting a part of a vehicle body and an instrument panel 11 provided in a vehicle interior. An example of the panel member 10 is a sheet metal cowl top upper that partitions the vehicle interior from the vehicle interior.

  As shown in FIG. 2, the panel member 10 is formed with a mounting wall 15 protruding upward. An end 11 a of the instrument panel 11 is fixed to the mounting wall 15 by a grommet 16 and a tapping screw 17 described later.

  As shown in FIG. 4, a sealing material 21 that contacts the windshield glass 20 is provided on the upper portion 10 a of the panel member 10. In FIG. 4, the right side of the mounting wall 15 is the vehicle interior side, and the left side of the mounting wall 15 is the vehicle exterior side.

  Grommet mounting holes 30 are formed at predetermined positions on the mounting wall 15 of the panel member 10. The grommet mounting holes 30 are formed at a plurality of locations (for example, four locations as shown in FIG. 1) at predetermined intervals in the width direction of the body. The shape of the grommet mounting hole 30 is substantially rectangular. The grommet 16 is inserted into the grommet mounting hole 30.

  A recessed portion 40 that is recessed downward and an end wall 42 that extends obliquely upward from the front end of the bottom wall 41 of the recessed portion 40 are formed in the end portion 11 a of the instrument panel 11 made of synthetic resin. The end wall 42 rises obliquely forward at an angle corresponding to the mounting wall 15 of the panel member 10. A through hole 45 into which the tapping screw 17 is inserted is formed in the end wall 42 at a position corresponding to the grommet mounting hole 30 of the panel member 10.

  As shown in FIG. 3, the grommet 16 has a cylindrical portion 51 with a closed tip 50 and a flange portion 52 formed at the open end of the cylindrical portion 51, and is integrally formed with a synthetic resin. A seal member 55 made of a material having elasticity is provided on the back side of the flange portion 52.

  The cylindrical part 51 has a dimension that can be fitted into the grommet mounting hole 30, has a hollow prismatic shape, and has a detent 60 for detent on its side surface. The detent convex portion 60 functions to prevent the cylindrical portion 51 from coming out of the grommet mounting hole 30 by being caught on the edge of the grommet mounting hole 30 in a state where the cylindrical portion 51 is inserted into the grommet mounting hole 30. Fulfill.

  The tapping screw 17 has a screw part 70 in which a thread is formed and a head part 71 into which a tip of a tool (screwdriver) is fitted. The outer diameter of the head 71 (the outer diameter including the washer portion) is larger than the inner diameter of the through hole 45 of the instrument panel 11.

  A garnish member 80 is disposed above the end 11 a of the instrument panel 11. The garnish member 80 covers the tapping screw 17, the recess 40, the end wall 42, and the like.

  The garnish member 80 extends in the width direction of the body, and a receiving portion (not shown) formed on the instrument panel 11 is provided with a locking portion 81 (only a part thereof is shown in FIG. 1) formed on the lower surface side thereof. By being locked to the instrument panel 11. A fixing member such as a clip may be used to fix the garnish member 80. As shown in FIG. 4, a pad member 83 that abuts the windshield glass 20 is provided on the upper surface of the distal end portion 82 of the garnish member 80.

Below, the procedure which fixes the edge part 11a of the instrument panel 11 to the panel member 10 is demonstrated.
The grommet 16 is attached to the mounting wall 15 of the panel member 10 by inserting the grommet 16 into the grommet mounting hole 30 of the panel member 10 from the vehicle interior side. After that, the end portion 11 a of the instrument panel 11 is overlapped with the mounting wall 15 and the flange portion 52 of the grommet 16 from the vehicle interior side.

  After that, the screw portion 70 of the tapping screw 17 is inserted into the through hole 45 of the instrument panel 11 from the vehicle interior side, and the screw portion 70 of the tapping screw 17 is screwed into the cylindrical portion 51 of the grommet 16.

  When the tapping screw 17 is screwed into the grommet 16, the tubular portion 51 is slightly expanded, so that the grommet 16 is firmly fixed to the edge of the grommet mounting hole 30. When the tapping screw 17 is screwed into the grommet 16, the end wall 42 of the instrument panel 11 is pressed against the mounting wall 15 of the panel member 10 by the head 71 of the tapping screw 17.

  In this manner, the end portion 11a of the instrument panel 11 can be fixed to the mounting wall 15 of the panel member 10 via the grommet 16. All of these series of operations can be performed from the vehicle interior side.

  The flange portion 52 and the seal member 55 are sandwiched between the end wall 42 of the instrument panel 11 and the mounting wall 15 of the panel member 10, thereby sealing between the peripheral portion of the grommet mounting hole 30 and the grommet 16. The For this reason, waterproofness and sound insulation of the mounting wall 15 are ensured, and fine foreign matter such as dust outside the passenger compartment can be prevented from entering the passenger compartment through the grommet attaching hole 30.

  According to the present embodiment, since the end portion 11a of the instrument panel 11 can be fixed to the body-side panel member 10 by the tapping screw 17, it is possible to suppress vibration of the end portion 11a of the instrument panel 11. And the rigidity of the edge part 11a of the instrument panel 11 increases.

  Moreover, since the synthetic resin flange part 52 and the elastic sealing member 55 are interposed between the mounting wall 15 of the panel member 10 and the end part 11a of the instrument panel 11, the end part 11a of the instrument panel 11 is provided. And the body-side panel member 10 can be prevented from coming into direct contact with each other, and problems such as wear due to rubbing of the end 11a of the instrument panel 11 can be avoided.

The perspective view of a panel member, an instrument panel, a grommet, etc. which show one embodiment of the present invention. Sectional drawing of the state before fixing the edge part of the instrument panel shown by FIG. 1 to a panel member. The perspective view of the grommet used for embodiment shown in FIG. Sectional drawing of the state by which the edge part of the instrument panel shown by FIG. 1 was fixed to the panel member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Panel member 11 ... Instrument panel 11a ... End part 16 ... Grommet 17 ... Tapping screw 30 ... Grommet attachment hole 45 ... Through-hole 51 ... Tube part 52 ... Flange part 55 ... Seal member 80 ... Garnish member

Claims (1)

A panel member on the body side that partitions the vehicle interior and the exterior of the vehicle interior, and having a mounting wall in which a grommet mounting hole is formed at a predetermined position;
A sealing material provided between the panel member and the windshield glass;
An end of an instrument panel in which a through hole is formed at a position corresponding to the grommet mounting hole;
A grommet that is inserted into the grommet mounting hole and has a cylindrical portion with a closed tip, a flange portion formed at the open end of the cylindrical portion, and a seal member provided on the back side of the flange portion;
A tapping screw screwed into the tubular part of the grommet,
The instrument panel has an end wall that rises diagonally forward and upward, facing the mounting wall,
The surface of the flange portion facing the end wall has a gap between the central portion where the tapping screw is inserted in contact with the end wall and from the central portion toward the outer periphery of the flange portion. It ’s a spreading shape,
The grommet is attached to the panel member by inserting the grommet into the grommet attachment hole of the panel member from the vehicle interior side,
The end wall of the end portion of the instrument panel is overlapped from the vehicle interior side with respect to the panel member and the flange portion,
Inserting the tapping screw into the through hole of the instrument panel from the vehicle interior side,
By screwing the tapping screw into the grommet,
In a state where the flange portion and the seal member are sandwiched between the panel member and the end portion of the instrument panel, the end portion of the instrument panel is fixed to the panel member,
A garnish member that covers the tapping screw is disposed above the end of the instrument panel,
A structure for fixing an end portion of an instrument panel, wherein a pad member that abuts against the windshield glass is provided on an upper surface of a tip portion of the garnish member.

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