JPH1178538A - Automotive opening trim - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automotive opening trim capable of improving the workability of assembly, and improving the fine appearance. SOLUTION: A core 1 to be buried in a mounting base part 11 consists of plural constituent pieces 27 provided at intervals 26 in parallel in the longitudinal direction of an opening trim 2, and a pair of connection parts 28, 29 for connecting these constituent pieces. Then, one connection part 29 is cut over the whole in the longitudinal direction of the opening trim 2, while the other connection part 28 is cut at the corner part of the peripheral edge part of the car body opening part. Thus, with the opening trim 2, the respective constituent pieces 27 of the core 1 are cut apart from each other at the corner part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening trim attached to a peripheral portion of an opening of a vehicle body such as a door opening of an automobile, and more particularly to a structure of a reinforcing core buried in the mounting base. .

[0002]

2. Description of the Related Art In general, an opening trim for an automobile is fitted to a peripheral portion of a vehicle body opening such as a door opening or a trunk, and is brought into contact with a peripheral portion of an opening / closing body such as a door or a trunk lid. Seal between the part and the opening and closing body.

FIG. 5 shows an example of a conventional automobile opening trim. The opening trim 100 includes a mounting base 101 having a substantially U-shaped cross section which is fitted to a flange 111 of a vehicle body opening edge 110, and a hollow seal swelling from the mounting base 101 and abutting on a sash 113 of a door edge 112. And a unit 102. The mounting base 101 has a reinforcing core 103 embedded therein.

Conventionally, as the core member 103, a plurality of strip-shaped pieces arranged side by side with a predetermined gap in the longitudinal direction of the opening trim 100 connected by a pair of connecting portions of the core member 103. May be used. In this case, the core 103 is buried in the mounting base 101 and extruded in a flat state at the time of extrusion molding of the opening trim 100, and then is sequentially folded into a substantially U-shaped section along the longitudinal direction of the opening trim 100. Curved. As a result, as shown in FIG. 5, the pair of connecting portions of the core member 103 are such that one connecting portion 104 is on the vehicle outer side wall portion 101a of the mounting base 101, and the other connecting portion 105 is on the mounting base 10
1 are arranged on the inner wall portion 101b.

At the time of the extrusion molding, one of the pair of connecting portions 104 and 105 is cut, and the core 103 is mounted on a vehicle with one of the cutting portions cut. In other words, in the conventional opening trim 100, the core 103 has a plurality of constituent pieces connected by one connecting portion (for example, the connecting portion 104 on the outside of the vehicle) in the entire area in the longitudinal direction of the opening trim 100,
In this state, the opening trim 100 is mounted on the vehicle body.

[0006]

The conventional opening trim 100 has the following problems when assembled to a vehicle body.

That is, if the core member 103 is connected in the entire lengthwise direction of the opening trim 100 as described above, the degree of freedom of the core member 103 with respect to a change in the shape of the peripheral portion of the vehicle body opening is small. In the corner portion A of the peripheral portion along the peripheral portion as shown in FIG.
The core material 103 cannot fully correspond to the bent shape, and therefore,
There is a problem that the opening trim 100 peels off from the flange 111 and floats, and the sealing function of the opening trim 100 is hindered. Further, there is a problem that the floating opening trim 100 causes poor appearance from the vehicle interior, or in the worst case, the entire opening trim 100 falls off the flange 111 from the floating portion.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to easily attach the vehicle body to a corner portion of a peripheral portion of an opening portion of a vehicle body so as to be attached. An object of the present invention is to provide an opening trim for a vehicle in which workability is improved and aesthetic appearance is improved.

[0009]

SUMMARY OF THE INVENTION An opening trim for an automobile according to the present invention has an attachment base having a substantially U-shaped cross section which is attached to a peripheral portion of an opening of a vehicle body of an automobile, and a core material is embedded in the attachment base. In the opening trim, the core material includes a plurality of component pieces arranged side by side with a predetermined gap therebetween in the longitudinal direction of the opening trim, and a connecting portion connecting the plurality of component pieces, The connecting portion is provided only on one of a pair of mutually facing walls forming a substantially U-shape of the mounting base, and the connecting portion is provided on a peripheral edge of the vehicle body opening. It is characterized in that it is cut at a corner portion along a peripheral edge along the same.

Thus, in the opening trim of the present invention, the constituent pieces of the core material are separated from each other at the corners at the peripheral edge of the vehicle body opening. For this reason, the opening trim can be easily deformed according to the bent shape of the corner portion, and therefore, the opening trim can be easily attached to the corner portion in close contact. Further, in the portion other than the corner portion such as the straight portion, the respective constituent pieces of the core material are connected to one wall portion of the mounting base portion, so that the opening trim can be prevented from being elongated when the vehicle is mounted. That is, the workability of assembling the vehicle body can be improved while preventing the extension of the opening trim.

Further, since the opening trim is prevented from peeling off from the flange and floating, the sealing function of the opening trim is reliably exhibited.

Further, since the floating of the opening trim is prevented, a situation in which the appearance of the vehicle is impaired by the floating is prevented.

Further, since the lifting of the opening trim is prevented, the opening trim is prevented from being separated from the flange by the lifting and falling off.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a cross-sectional view of an opening trim 2 for an automobile according to the present embodiment, FIG. 2 is a plan view of a core material 1 embedded in the opening trim 2, and FIG. It is sectional drawing which shows an attachment state. Here, FIG. 3 shows an X3-X3 cross section in FIG.

As shown in FIGS. 3 and 4, the opening trim 2 is attached to a peripheral portion 5 of a vehicle body opening 4 such as a door opening or a trunk room as an example of the vehicle 3, and a body 6 of the vehicle 3 and a door 6 are provided. 7 is sealed. A weather strip 9 is mounted on the peripheral portion 8 of the door 7 along the peripheral portion of the door 7, and the opening trim 2 is arranged inside the vehicle of the weather strip 9, and realizes the sealing action together with the weather strip 9. I do.

The opening trim 2 includes a mounting base 11 made of a solid rubber having a substantially U-shaped cross section and fitted to a body flange 10 provided on a peripheral edge 5 of the vehicle body opening 4. And a hollow seal portion 15 made of sponge rubber that swells from the vehicle outer wall portion 12 and abuts on the sash 13. And, this mounting base 11
The core material 1 is buried.

The mounting base 11 includes the outer wall 12 and
A vehicle interior side wall portion 16 facing the vehicle exterior side wall portion 12;
And a base connecting portion 17 for connecting the vehicle interior walls 2 and 16, and the vehicle outer wall portion 12 is set slightly longer than the vehicle inner wall portion 16. The core material 1 is provided in a range that extends to the vehicle outer wall portion 12, the base connecting portion 17, and the vehicle inner wall portion 16.

In the mounting base 11, the vehicle outer wall 1
Holding lips 18 and 19 for holding the body flange 10 are formed on the inside of the vehicle 2 and on the outside of the interior side wall portion 16, respectively. These holding lips 18, 19
In order to enhance the followability to the change in the plate thickness of the body flange 10, two
One 19 is projected from the inner side wall portion 16 of the vehicle, and the length of the one holding lip 19 is set to be long.

An interior lip 21 is provided on the vehicle interior side of the vehicle interior side wall portion 16 of the mounting base so as to project toward the vehicle interior and abut against a ceiling member 20 in the vehicle interior. The base connecting portion 17 and the interior lip 21 have the base connecting portion 17
The decorative portion 22 is provided in a range extending from the interior lip 21 to the interior lip 21. The decorative portion 22 is for improving the appearance of the opening trim 2 from the interior of the vehicle, and is made of colored sponge rubber or the like.

The interior end of the decorative portion 22 in the width direction is
The free end of the interior lip 21 is folded and wrapped to form a folded portion 22a, so that the terminal portion of the decorative portion 22, which is generally inferior in appearance, cannot be seen from the passenger compartment. On the other hand, the hollow seal portion 1 of the decorative portion 22
The end on the 5th side is covered with a decorative cover lip 23 extending from the exterior wall 12 of the mounting base 11 to the interior of the vehicle, thereby covering the unsightly appearance of the end.

Since the decorative cover lip 23 is made of solid rubber integral with the mounting base 11, it is formed with higher rigidity than the hollow seal portion 15 made of sponge rubber. In order to suppress an increase in the closing load when the door 7 is closed due to the high rigidity of the decorative cover lip 23, the decorative cover lip 23 is moved in a direction substantially orthogonal to the opening and closing direction of the door 7. It is laid down inside the vehicle so as to be inclined. A notch 23a is formed near the base of the decorative cover lip 23 to the mounting base 11, and the notch 23a allows the decorative cover lip 23 to be formed.
Is configured to be capable of elastically swinging with respect to the mounting base 11, so that the increase in the closing load of the door 7 is further suppressed.

One or more ridges 24 are formed on the outer side of the outer side wall portion 12 of the mounting base portion 11, and when the door 7 is closed, the inner surface of the hollow seal portion 15 is formed on the outer side of the outer side wall portion 12. By preventing the close contact with the surface and preventing the close contact, the sound of peeling when the hollow seal portion 15 in contact with the vehicle exterior surface of the vehicle exterior wall portion 12 when the door 7 is opened is peeled off. To prevent it from occurring. Also, the mounting base 1
A sealer 25 is disposed on the holding lip 18, 19 side of the first base connecting portion 17 to prevent water leaking into the vehicle interior due to water entering beyond the contact portion with the holding lip 18, 19. ing.

One end of the hollow seal portion 15 in the width direction is supported near a middle position in the width direction of the decorative cover lip 23,
The other end is supported by the vehicle outer wall 12. A rubber skin layer made of solid rubber integral with the decorative cover lip 23 is provided on the outer surface of the hollow seal portion 15 in order to increase the rigidity to the outside of the vehicle and prevent interference with the door weather strip 9. 14 are formed.

The core 1 has a mounting base 1 having a substantially U-shaped cross section.
1 and is bent into a substantially U-shaped cross section similar to the mounting base 11. This core material 1
Is a so-called punch-type insert metal formed by punching a thin steel plate. As shown in FIG. 2, a plurality of insert metals are arranged side by side at predetermined intervals in the longitudinal direction of the opening trim 2. Strip-shaped component piece 27
And a pair of connecting portions 28 and 29 for connecting the plurality of component pieces 27 along the longitudinal direction.

The connecting portions 28 and 29 are arranged at positions asymmetrical with respect to the center of the core 1 in the width direction. That is, when the distance from the free end on one side of the component piece 27 to the connecting portion 28 on one side is L1, and the distance from the free end on the other side to the connecting portion 29 on the other side is L2, L1 > L2. Further, the width W1 of the one side connecting portion 28 is set.
Is set larger than the width W2 of the connecting portion 29 on the other side.

As shown in FIG. 1, the one connecting portion 28 is disposed on the outer side wall 12 of the mounting base 11,
The other connecting portion 29 is provided on the inner side wall portion 16 of the mounting base 11.
Placed in L1 and L2 are connected to the connecting portion 2
8, 29 (specifically, the center in the width direction) are attached to the mounting base 11.
(Specifically, the height of the vehicle outer wall portion 12) 2H (vertical length in FIG. 1). This is because this position is a bending neutral position at the time of assembling to the body flange 10, and by setting such a position, the assembling stability at the curved portion is good, and the hollow seal portion 1
5 This is because the adverse effect on others can be minimized.

The core material 1 having such a shape is fed into an extruder (not shown) in a flat state, extruded while being embedded in the mounting base 11, and after vulcanization, the width of the mounting base 11 is changed. At predetermined two locations in the direction, the opening trim 2 is sequentially bent along the longitudinal direction of the opening trim 2 to be bent into the above-described substantially U-shaped cross section. Thereby, as shown in FIG. 3, the portion including the connecting portion 28 of the core 1 is disposed in the vehicle outer wall portion 12 of the mounting base 11, and the portion including the connecting portion 29 is formed on the vehicle inner side wall of the mounting base 11. It is arranged in the section 16. Furthermore, after the above-mentioned bending molding, the opening trim 2
By applying a predetermined bending stress to the mounting base 11 of
The connecting portion 29 on the other side having a small width is cut. that time,
In a portion to be attached to the corner portion A shown in FIG. 4, a stronger bending stress is applied to the connection portion 2 on the other side.
Not only 9 but also the wide connecting portion 28 on one side is cut. Thereby, in the opening trim 2 after being mounted on the body flange 10, at the corner portion A, the respective constituent pieces 27 of the core material 1 are separated from each other. The widths W1 and W2 of the connecting portions 28 and 29 are set so that only the other side 28 or both sides 28 and 29 can be cut by the difference in bending stress.

In the opening trim 2 for a vehicle according to the present embodiment, since the constituent pieces 27 of the core 1 are separated from each other at the corner A of the peripheral portion 5 of the vehicle body opening 4, such a corner is used. The opening trim 2 can be easily deformed according to the bent shape of A, so that it can be easily attached to the corner portion A in close contact. Further, in the portions other than the corner portion A such as the straight portion, since the respective component pieces 27 of the core material 1 are connected to the outer wall portion 12 of the mounting base 11, the extension of the opening trim 2 when the vehicle is mounted is reduced. Can be prevented. That is, assembling workability can be improved while preventing extension of the opening trim 2.

Also, since the opening trim 2 can be attached to the body flange 10 in close contact with the corner portion A, the opening trim 2 can be prevented from peeling off the body flange 10 and floating. The sealing function of the opening trim 2 is reliably exhibited.

Also, since the lifting of the opening trim 2 is prevented, the appearance of the vehicle 3 is not impaired by the lifting.

Furthermore, since the lifting of the opening trim 2 is prevented, the opening trim 2 is prevented from being separated from the flange 10 by the lifting and falling off.

In the above description, the case where the core material 1 is extruded in a flat state together with the mounting base 11 and then formed into a bent shape has been described. However, the core material 1 is previously bent into a substantially U-shaped cross section. Then, it may be extruded together with the mounting base 11. In the above, after bending,
Although the case where the connecting portions 28 and 29 are cut has been described,
The connecting portions 28 and 29 may be cut before bending, and in this case, a bending stress can be applied to each of the connecting portions 28 and 29 to break them. , 29 need not be set.

[0034]

In the opening trim for an automobile according to the present invention, the respective constituent pieces of the core material are separated from each other at the corners of the peripheral portion of the opening of the vehicle body, and the respective constituent pieces of the core material are separated from each other at portions other than the corners. Since it is connected to one wall of the mounting base, the opening trim can be easily deformed and mounted according to the bent shape of the corner, and it is excellent in assembling workability and elongation of the entire opening trim. Can be prevented.

Further, since the opening trim is prevented from peeling off from the flange and floating, the sealing function of the opening trim is reliably exhibited.

Since the opening trim is prevented from floating, the floating prevents the appearance of the vehicle from being spoiled.

Furthermore, since the lifting of the opening trim is prevented, the opening trim is prevented from being separated from the flange by the lifting and falling off.

[Brief description of the drawings]

FIG. 1 is a sectional view of an automobile opening trim 2 according to the present embodiment.

FIG. 2 is a plan view of a core material 1 embedded in an opening trim 2;

FIG. 3 is a cross-sectional view showing a state in which the opening trim 2 is mounted on the vehicle, and is a cross-sectional view taken along line X3-X3 in FIG.

FIG. 4 is a side view of the vehicle 3 on which the opening trim 2 is mounted.

FIG. 5 is a cross-sectional view showing a state where a conventional opening trim is mounted on a vehicle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Core material 2 Opening trim 3 Vehicle 4 Body opening 5 Peripheral edge 6 Body 10 Body flange 11 Mounting base 12 Vehicle outer wall part 15 Hollow seal part 26 Gap 27 Component pieces 28, 29 Connection part A Corner

Claims (1)

[Claims] 1. An opening trim having a substantially U-shaped cross-section attached to a peripheral portion of an opening of a vehicle body of an automobile, wherein a core material is embedded in the attachment base. It comprises a plurality of components arranged side by side at predetermined intervals in the longitudinal direction and a connecting portion connecting the plurality of components, and the connecting portion has a substantially U-shaped mounting base. It is provided only on one of the pair of mutually opposing walls, and the connecting portion is cut at a corner portion of the peripheral portion along the peripheral portion of the vehicle body opening. Opening trim for automobiles.