JP2000177517A - Interior equipment for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the mounting workability of a resin clip to a clip mount seat without buckling and rupturing the clip mount seat when an interior equipment is mounted on a car body panel, in the interior equipment for an automobile comprising the clip mount seat having the impact absorbing function and an impact absorbing pad on an inner surface side of a trim. SOLUTION: An impact absorbing pad 50 is extended to a clip mount seat 40 side, the extended part 51 is inserted between a seat plate 41 of the clip mount seat 40 and a trim inner surface, and the buckling force of the clip mount seat 40 is set to be smaller than the rupture strength of the impact absorbing pad 50. Whereby the stress generated when the interior equipment is mounted on a car body panel can be received by the extended part, 51 of the impact absorbing pad 50, the interior equipment can be smoothly mounted on the panel, and further the mounting workability of the resin clip can be improved by using the impact absorbing pad 50 as a guide of the resin clip.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile interior part having a shock absorbing pad and a clip mounting seat having a shock absorbing function. The present invention relates to interior parts for automobiles that enable smooth mounting of clips.

[0002]

2. Description of the Related Art Usually, various interior parts are mounted in a vehicle interior to improve the appearance of the vehicle interior and to protect the occupants. In order to reliably protect the vehicle, interior parts that take into account side collisions are often used.

FIG. 10 shows an automobile door trim 1 in consideration of a side collision, which is composed of an upper and lower divided body of a trim upper 2 and a trim lower 3. In particular, the rear side of the trim lower 3 As shown in FIG. 11, the clip mounting seat 4 installed on the back surface of the trim lower 3 has a shock absorbing function because it is a portion where the waist of the occupant hits at the time of collision.

That is, the clip mounting seat 4 is configured as shown in FIG.
As shown in FIG. 2, a seating plate 5 for attaching the clip c
And a vertical wall portion 6 for supporting the seat plate 5 with the lower trim 3 at a predetermined interval. In this conventional example, the trim lower 3 is made of an injection-molded body of PP resin. The clip mounting seat 4 is formed integrally with the trim lower 3.

[0005] By setting an inclined portion 7 in a part of the vertical wall portion 6, when a stress is applied such as in a side collision, a boundary portion a between the inclined portion 7 and the seating plate 5 and the inclined portion 7 are formed. The stress is concentrated on the boundary portion b between the clip mounting seat 4 and the vertical wall portion 6 to induce buckling deformation of the clip mounting seat 4 to effectively absorb the impact load.

Further, a structure is adopted in which a shock absorbing pad 8 made of a hard polyurethane foam or the like is attached to a portion adjacent to the clip mounting seat 4, and the shock is absorbed at the same time.

[0007]

As described above, in the automobile door trim 1 for side collision, the clip mounting seat 4 capable of absorbing an impact by buckling deformation is provided.
Normally, when the door trim 1 is mounted on the vehicle body panel, after locating the door trim 1 to an appropriate position with respect to the vehicle body panel, a strong pressing force is applied to the door trim to press-fit the clip c into the mounting hole of the vehicle body panel. In this case, it is pointed out that the clip mounting seat 4 is buckled and deformed on the basis of the inclined portion 7 of the clip mounting seat 4 so that a smooth installation of the door trim 1 cannot be achieved.

Further, the buckling deformation of the clip mounting seat 4 at the time of a side collision is prevented from being impaired.
In the internal space of the above, since interference objects such as guide ribs are excluded, the location of the clip c when it is mounted on the clip mounting seat 4 is not properly performed, and the workability of mounting the clip c is reduced. there were.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and focuses on the fact that the clip mounting seat and the shock absorbing pad are mounted adjacent to each other. An object of the present invention is to provide an automotive interior part that prevents damage to a clip mounting seat at the time of mounting and uses an impact absorbing pad as a guide at the time of mounting the clip, thereby enabling smooth mounting of the clip to the clip mounting seat. And

[0010]

In order to achieve the above object, according to the first aspect of the present invention, a shock absorbing pad is attached to a back surface of an interior trim and is separated from the interior trim adjacent thereto. A clip mounting seat is provided on the body or integrally, and an interior part for automobiles having an inclined portion for absorbing a shock by buckling on a part of a vertical wall portion of the clip mounting seat, wherein the shock absorbing pad is disposed on the clip mounting seat side. And a buckling force of the clip mounting seat is set to be smaller than a breaking strength of the shock absorbing pad while accommodating the extension below the seat plate of the clip mounting seat.

Here, the interior trim is applied to an automobile door trim, rear corner trim, luggage side trim, etc., which is installed in a side wall panel of a vehicle.

As the shock absorbing pad, a rigid polyurethane foam formed by molding is suitable in consideration of cost, moldability, and shock absorbing function. In addition, a foamed bead molded article or the like can be used.

Next, the clip mounting seat may be formed integrally with the interior trim. Depending on the specification, a flange of a separate clip mounting seat may be fixed to the back surface of the interior trim by ultrasonic welding or the like. Is also good.

The extension of the shock absorbing pad is inserted into the clip mounting seat, but preferably conforms to the shape of the clip mounting seat, and the shock absorbing pad surface and the lower surface of the seat plate of the clip mounting seat are connected to each other. Between them, a clearance larger than the thickness of the head flange of the resin clip is set.

Therefore, according to the first aspect of the present invention,
Since the extension of the shock absorbing pad is inserted between the seat plate of the clip mounting seat and the interior trim surface, when the interior trim is attached to the body panel, the impact force on the interior trim is received by the shock absorbing pad. In addition, buckling of the clip mounting seat at the time of trim mounting can be reliably prevented.

The invention described in claim 2 of the present application is characterized in that the opening direction of the locking hole of the clip mounting seat is directed to the shock absorbing pad side.

Therefore, according to the second aspect of the present invention, since the opening direction of the clip engaging hole provided in the seat plate of the clip mounting seat is directed toward the shock absorbing pad, the clip mounting seat is provided with a clip. When the clip is mounted, the clip is slid along the upper surface of the shock absorbing pad, so that the shock absorbing pad functions as a guide for the clip, and the clip can be mounted efficiently.

The invention according to claim 3 of the present application is characterized in that the seat plate of the clip mounting seat is supported by a connection support portion provided between the clip mounting seat and the rear surface of the interior trim.

Therefore, according to the third aspect of the present invention,
Since the center of the seat plate and the interior trim are connected by the support part, even when the clip mounting seat is subjected to diagonal pressing force when attaching the interior trim to the vehicle body panel, this support part The clip mounting seat is supported, and the clip mounting seat does not buckle and deform in an oblique direction.

[0020]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vehicle interior part according to an embodiment of the present invention.

FIGS. 1 and 2 are a front view and a sectional view showing a first embodiment of an automobile door trim to which the present invention is applied.
FIG. 3 is a plan view of the automobile door trim as viewed from the back side.
FIG. 4 is a perspective view showing a clip mounting seat installed on the back surface of the vehicle door trim, and FIGS. 5 and 6 are cross-sectional views showing a main part configuration of the vehicle door trim.

FIGS. 7 to 9 show a second embodiment of the present invention. FIG. 7 is a plan view of the door trim as viewed from the rear side, and FIGS. 8 and 9 show the essential parts of the door trim. It is each sectional drawing.

In FIG. 1 and FIG. 2, the automobile door trim 10 is composed of an upper and lower divided body of a trim upper 20 and a trim lower 30.
A resin core material 2 formed into a desired curved shape by subjecting talc-mixed PP resin to mold press molding.
1 and a skin material 22 integrally adhered to the surface of the resin core material 21 at the time of mold press molding. The skin material 22 is a laminated sheet material having a polyurethane foam lined on the back surface of the cloth, or PVC. A material having excellent cushioning properties and touch feeling, such as a laminated sheet material having a polyethylene foam lined on the back surface of the sheet, may be used.

On the other hand, the trim lower 30 is made of an injection-molded body of PP resin, and the pocket opening 31 and the speaker grill 32 are integrally formed. Although not a main part of the present invention, the joining structure of the trim upper 20 and the trim lower 30 is not shown. The mounting bosses 33 are formed on the back side of the trim lower 30 at appropriate pitch intervals along the joining line of the two, and after the mounting bosses 33 are inserted into the mounting holes 23 of the trim upper 20, Both are joined and fixed by ultrasonic caulking.

FIG. 1 shows a door trim mounted on a door panel on the driver's seat side, at a portion corresponding to the waist of the driver, that is, a clip mounting seat having a shock absorbing function as a shock absorbing structure on the rear back surface of the trim lower 30. 40
The present invention is based on the premise that the clip mounting seat 40 having a shock absorbing function and the shock absorbing pad 50 are used together.
It is an object to prevent the clip mounting seat 40 from buckling when attaching the clip 60 to the vehicle body panel, and to enhance workability when mounting the clip 60 on the clip mounting seat 40.

For this purpose, as shown in FIGS. 3 and 4, first, the clip mounting seat 40 is integrally formed on the back surface of the trim lower 30, and the seat plate 41 on which the clip 60 is mounted is connected to the back surface of the trim lower 30. The vertical wall portion 42 is formed so as to be substantially parallel and set at a predetermined interval.
An inclined portion 43 for inducing buckling deformation is formed between the seat plate 41 and the vertical wall portion 42, and the seat plate 4
1 has a locking hole 44 for engaging the clip 60.

In this embodiment, in order to further promote the buckling of the inclined portion 43, the inclined portion 43 and the seat plate 41
A groove 45 is provided at the boundary between the vertical wall portion 42 and the boundary between the inclined portion 43 and the vertical wall portion 42. However, the concave groove 45 may be omitted.

On the other hand, the shock absorbing pad 50 is attached to the center of the clip mounting seat 40 adjacent thereto.
In the present application, the terminal of the shock absorbing pad 50 on the clip mounting seat 40 side is extended toward the clip mounting seat 40, and the extended portion 51 is accommodated in the clip mounting seat 40, and the impact absorbing pad 50 is broken. The feature is that the buckling force of the clip mounting seat 40 is set smaller than the strength.

The locking hole 44 provided in the seating plate 41 of the clip mounting seat 40 has an opening opening toward the shock absorbing pad 50.

Therefore, as shown in FIG. 5, when the door trim 10 is mounted on the vehicle body panel 70 with the resin clip 60 mounted in the locking hole 44 of the clip mounting seat 40, the mounting hole 71 of the vehicle body panel 70 has Resin clip 60
And the pressing force F from the front side of the door trim 10.
And the resin clip 60 is attached to the mounting hole 7 of the vehicle body panel 70.
1, the pressing force F at that time is applied in the buckling direction of the clip mounting seat 40.
This pressing force F can be received by the extension portion 51 of
There is an advantage that buckling deformation of the clip mounting seat can be prevented when the trim is mounted on the vehicle body panel as in the related art, and a smooth mounting operation can be expected.

As shown in FIG. 6, the operation of mounting the resin clip 60 on the clip mounting seat 40 is also performed along the upper surface 50a of the shock absorbing pad 50.
If the 0 head flange 61 is brought into sliding contact with the clip mounting seat 40 side, the shock absorbing pad 50 and the extension 51 function effectively as a guide for the resin clip 60, so that the workability of mounting the resin clip 60 is remarkably improved. There is also the advantage of doing so.

In consideration of the dimensional variation and the mounting variation of the clip mounting seat 40, the lower surface of the seating plate 41 of the clip mounting seat 40 and the extension 51 of the shock absorbing pad 50 are taken into account.
The gap d between the upper surface 51a of the resin clip 60 and the upper surface 51a may be set to a size in which the above-mentioned variation is added to the thickness of the head flange 61 of the resin clip 60.

In the above embodiment, the clip mounting seat 40 is formed integrally with the trim lower 30, and the inclined portion 43 is formed.
Is set between the seating plate 41 and the vertical wall portion 42. The clip mounting seat 40 is formed separately from the trim lower 30 and the mounting flange is mounted by ultrasonic welding and the like. The clip mounting seat 40 may be used, and the vertical wall 4
1 may be set on the lower side. in this way,
The clip mounting seat 40 may be either integral with or separate from the trim lower 30, and if it is a shock absorbing type utilizing buckling deformation employing the inclined portion 43, an appropriate variation such as a shape change may be added.

FIGS. 7 to 9 show a second embodiment of an automobile interior part according to the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and the detailed description thereof will be omitted. Description is omitted.

In the second embodiment, a connection support 46 is formed between the edge of the seat plate 41 and the trim lower 30 in a bridging manner.

When a very large load is applied, the connecting support portion 46 does not hinder the clip mounting seat 40 from buckling and deforming based on the inclined portion 43. When the connecting support portion 45 is not provided when oblique pressing forces F1 and F2 are applied from the door trim 10 when the mounting support 70 is attached and fixed via a clip, as shown by a dotted line in FIG. Although 40 is easy to induce oblique deformation, oblique deformation can be effectively regulated by the connection support portion 46, and workability when the door trim 10 is attached to the vehicle body panel 70 can be further improved.

The first and second embodiments of the present invention described above are applied to the trim lower 30 in the upper and lower two-part type vehicle door trim 10, but the door trim, the rear corner trim, and the luggage side are integrated. The present invention can also be applied to interior parts installed on the side wall of a vehicle, such as trim.

[0038]

As described above, the automobile interior part according to the present invention is characterized in that a shock absorbing pad and a clip mounting seat having a shock absorbing function are mounted adjacently.
The extension of the shock absorbing pad is housed in the clip mounting seat, and the buckling force of the clip mounting seat is set to be smaller than the breaking strength of the shock absorbing pad, so that when a shock such as a side impact is applied, the clip mounting seat is Effective impact absorption function is obtained without the reaction force from the passenger being applied to the occupant.On the other hand, when attaching the interior parts to the body panel, the clip mounting seat does not buckle due to the pressing force at the time of installation. In addition, smooth attachment can be expected, and one surface of the shock-absorbing pad can be used as a guide, and the workability of mounting the resin clip can be improved, and various other effects can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment in which an automobile interior part according to the present invention is applied to an automobile door trim.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a plan view of a main part of the vehicle door trim shown in FIG. 1 as viewed from the back side.

FIG. 4 is a perspective view showing a clip mounting seat installed on the automobile door trim shown in FIG. 1;

FIG. 5 is a cross-sectional view showing a state where the vehicle door trim shown in FIG. 1 is attached to a vehicle body panel.

FIG. 6 is a cross-sectional view showing a procedure for attaching a resin clip to the automobile door trim shown in FIG.

FIG. 7 is a plan view of a main part showing a second embodiment in which the interior parts for automobiles according to the present invention are applied to a door trim.

8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is an explanatory view showing a state in which the vehicle door trim shown in FIG. 7 is attached to a vehicle body panel.

FIG. 10 is a front view of a conventional automobile door trim.

FIG. 11 is a sectional view of a clip mounting seat installed on a conventional automobile door trim.

FIG. 12 is a perspective view showing a clip mounting seat applied to a conventional automobile door trim.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Automobile door trim 20 Trim upper 30 Trim lower 40 Clip mounting seat 41 Seat plate 42 Vertical wall part 43 Inclined part 44 Lock hole 45 Depression groove 46 Connection support part 50 Shock absorption pad 51 Extension part 60 Resin clip 70 Body panel 71 Mounting hole

Claims (3)

[Claims] 1. A shock absorbing pad (50) is affixed to the back surface of an interior trim (30), and a clip mounting seat (40) is provided separately or integrally with the interior trim (30) adjacent thereto. An interior part for a motor vehicle having an inclined portion (43) for absorbing an impact by buckling at a part of a vertical wall portion (42) of the clip mounting seat (40), wherein the shock absorbing pad (50) is attached to the clip mounting seat. (40)
Side, and accommodates an extension (51) below the seating plate (41) of the clip mounting seat (40).
The buckling force of the clip mounting seat (40) is
An interior part for an automobile characterized by being set to be smaller than the breaking strength of 0). 2. The interior part for an automobile according to claim 1, wherein the opening direction of the locking hole (44) of the clip mounting seat is directed toward the shock absorbing pad (50). 3. The seating plate (41) of the clip mounting seat (40) is supported by a connection support part (46) provided between the clip mounting seat (40) and the rear surface of the interior trim (30). 3. The automotive interior part according to 1 or 2.