JPH1148879A - Opening trim for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and tightly adhere a trim to H part deforming outward of a car body at a peripheral edge of a car body opening, improve assembling operability, and improve a sense of beauty, by extending clearance at a part of core material to the central side in the width direction of a linking part of plural components. SOLUTION: When an opening trim 2 for an automobile is adhered onto a peripheral edge of a car body opening which includes a deformed part, the opening trim 2 bends inward or outward according to shape change of a body flange which bends inward or outward. Then a core material 1 of the opening trim 2 is bent in the wide direction of a linking part 28. In the core material 1 of the opening trim 2, a notch is formed by extending a clearance 26 from both sides of the width direction of the linking part 28. Therefore, when the core material l bends in the width direction, the notch which is the extension of the clearance 26, absorbs the compression of the core material 1 on the inside of the bend and facilitates the deformation of the core material 1.

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. 6 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. A core member 103 for reinforcement is embedded in the mounting base 101.

Conventionally, a so-called roll-type insert metal, which is formed by providing a slit in a thin steel plate and rolling the remainder to increase the width of the slit, is sometimes used as the core material 103. As shown in FIG. 7, the core member 103 includes a plurality of component pieces 104 arranged in parallel with a predetermined gap 105 in the longitudinal direction of the opening trim 100, and the plurality of component pieces 104 at a substantially central portion thereof. And a connecting portion 106 connected by the.

In the conventional core member 103, as shown in FIG. 7, the lengths of the gaps 105 between the constituent pieces 104 are set to be uniform. That is, the gap 105
Are arranged at a fixed position in the width direction of the core material 103, and a boundary line k between the connection portion 106 and the component piece 104 extending along the longitudinal direction of the core material 103.
Form a straight line.

[0006] Such a core material 103 is generally buried in the mounting base 101 in a flat state as shown in FIG. 7 during extrusion molding of the opening trim 100 and extruded.
Thereafter, the opening trim 100 is sequentially bent along the longitudinal direction into a substantially U-shaped cross section. At that time, core material 1
03 is the connecting portion 106 of the outer side wall 1 of the mounting base 101.
Base connecting portion 1 for connecting vehicle inner wall portion 101a to inner side wall portion 101b
01c.

[0007]

When the above-described opening trim is mounted on a vehicle body, there are the following problems.

Generally, there is a portion which is deformed in the width direction of the vehicle body, that is, inward and outward of the vehicle body, at the peripheral edge of the vehicle body opening portion. The opening trim is fitted to the peripheral portion of the vehicle body opening portion including such a portion. When worn, the opening trim 100 may be lifted particularly at corners such as the lower end A of each pillar on the side of the vehicle body shown in FIG.

[0009] This is because the opening trim 10 is changed in accordance with the change of the flange at the corner portion in and out of the vehicle body.
This is because, when 0 is bent, the core material 103 is bent in the width direction of the connecting portion 106, and the connecting portion 106 has wavy wrinkles. Therefore, there is a problem that the opening trim 100 is peeled off from the flange and floats, and the sealing function of the opening trim is hindered.
Further, there is a problem that the floating opening trim causes poor appearance from the vehicle interior, and in the worst case, the entire opening trim falls off the flange 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 a peripheral portion of an opening of a vehicle body to a portion which is deformed inward and outward of the vehicle body. Accordingly, an object of the present invention is to provide an opening trim for an automobile in which the workability of assembly is improved and the appearance is improved.

[0011]

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 member connects a plurality of component pieces arranged side by side with a predetermined gap therebetween in the longitudinal direction of the opening trim, and connects the plurality of component pieces at a substantially central portion thereof. A connecting portion, wherein a part of the gap is extended toward a center in the width direction of the connecting portion.

Thus, a cut is formed in the connecting portion of the core material from at least one side in the width direction. On the other hand, in the vehicle body, there is a portion in which the peripheral portion of the vehicle body opening is deformed inward and outward of the vehicle body.When the opening trim of the present invention is mounted on the peripheral portion of the vehicle body opening including such a portion, The core material of the opening trim is bent in the width direction of the connecting portion. Here, in the opening trim of the present invention, as described above, since the cut is formed from at least one side in the width direction of the connection portion of the core, the cut of the core on the inner side of the bending is formed by this cut. Is absorbed, and the core material corresponding to the bent shape is easily deformed.

[0013] Therefore, the opening trim of the present invention can be easily and closely attached to the portion of the peripheral portion of the opening of the vehicle body that is deformed inward and outward, and the workability of assembling is improved. .

Further, since the opening trim mounted on the flange is prevented from peeling off and floating from the flange, 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.

In the present invention, it is preferable that the partial gap of the core is disposed on both sides in the width direction of the connecting portion. As a result, a cut is formed in the connecting portion from both sides in the width direction, and when the connecting portion is bent in the width direction, the connection portion is more easily bent in both directions in the width direction. The effect is further improved.

In this case, it is preferable that the gaps of the core material are arranged in a staggered manner with respect to a plurality of constituent pieces on both sides in the width direction of the connecting portion. This allows
When the connecting portion is bent in the width direction, the connecting portion is bent more easily and evenly in both directions in the width direction, and the above-described operation and effect are further improved.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a core 1 buried in an automobile opening trim 2 according to the present embodiment, FIG. 2 is a cross-sectional view of the core 1, and FIG. 3 is a cross-sectional view of the opening trim 2. FIG. 4 is a sectional view showing a state in which the opening trim 2 is attached to the vehicle. Here, FIG. 4 shows a cross section taken along line X4-X4 in FIG.

As shown in FIGS. 4 and 5, 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 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 vehicle 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 protrude toward the vehicle interior and abut on the 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 widthwise inner end of the decorative portion 22 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 roll-type insert metal formed by providing a slit in a thin steel plate and rolling the remainder to expand the slit width, as shown in FIG.
A gap 2 at a predetermined interval in the longitudinal direction of the opening trim 2
6 and a plurality of strip-shaped component pieces 27 arranged side by side, and a connecting portion 28 having a width L1 for connecting the plurality of component pieces 27 along the longitudinal direction.

The connecting portion 28 is arranged to connect the plurality of component pieces 27 at a substantially central portion in the width direction of the core material 1, specifically, at a position slightly shifted from the center in the width direction. Thus, the component piece 27 is separated from the component piece 27a disposed on one side in the width direction of the connecting part 28 by a distance L2 from the free end to the connecting part 28, and from the free end to the connecting part 28.
L3 (L2> L3), and includes the component piece 27b disposed on the other side in the width direction of the connecting portion 28.
A tapered portion 29 having a constant width is formed at an end of the component piece 27 on the connecting portion 28 side, the thickness of the component piece 27 decreasing toward the connecting portion 28.

Further, with respect to the gap 26, a connecting portion 28
A plurality of gaps 26a whose end on the side is located on a boundary line k between the component piece 27 and the connection portion 28, and an end on the connection portion 28 side extends inside the connection portion 28 by a predetermined distance from the boundary line k. A plurality of gaps 26b formed as cuts 30 are formed. These gaps 26a and 26b are arranged alternately with respect to the plurality of constituent pieces 27a on one side of the connecting portion 28 (that is, the gaps 26b having the cuts 30 are located every other gap 26). Also, the connecting portion 28
Similarly, the other component pieces 27b on the other side are similarly arranged alternately. Also, the component pieces 27 on both sides in the width direction of the connecting portion 28
The gaps 26b are arranged in a zigzag pattern.

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 reduced. The tapered portions 29 on both sides in the direction are sequentially bent along the longitudinal direction of the opening trim 2 and bent into the above-described substantially U-shaped cross section. Thereby, as shown in FIG. 3, the component piece 27a having the length L2 of the core 1 is
The other component 27b is disposed in the vehicle inner side wall 16 of the mounting base 11, and the connecting portion 28 is disposed in the base connecting portion 17 of the mounting base 11. .

The operation and effect of this embodiment will be described below.

In the opening trim 2 for an automobile according to the present embodiment, when the peripheral portion 5 of the vehicle body opening 4 is attached to the peripheral portion 5 of the vehicle body opening 4 including a portion deformed inward and outward of the body 6, The opening trim 2 bends inward and outward in response to a change in the shape of the body flange 10 that bends inward and outward. At this time, the core material 1 of the opening trim 2
Are bent in the width direction of the connecting portion 28. Here, in the opening trim 2 of the present embodiment, as described above, the cut portion 30 in which the gap 26b is extended from both sides in the width direction of the connecting portion 28 is formed in the core 1, and the cut portion 30 is formed as follows. It is arranged every other component piece 27 along the longitudinal direction of the connecting portion 28, and furthermore, the core material 1 is arranged so as to be staggered as a whole. Therefore, when the core 1 of the present embodiment is bent in the width direction, the gap 26
The compression of the core material 1 on the inward side of the bending is absorbed by the cut portion 30 which is an extension of the above, and the deformation of the core material 1 becomes easy.

Thus, the opening trim 2 is
The peripheral edge portion 5 of the vehicle body opening 4 is easily and closely attached to the portion deformed inward and outward of the vehicle body, and the workability of assembling the opening trim 2 to the body 26 is improved.

Further, the flange 1 around the periphery of the vehicle body opening 4
The opening trim 2 attached to the flange 0
Since a situation in which the opening trim 2 is detached and floated is prevented, the sealing function of the opening trim 2 is reliably exhibited.

Further, since the lifting of the opening trim 2 is prevented, a situation in which the appearance of the vehicle 3 is impaired by the lifting is prevented.

Furthermore, since the lifting of the opening trim 2 is prevented, the opening trim 2 is prevented from peeling off the flange 10 and falling off due to the lifting.

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, but 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.

[0040]

According to the opening trim for an automobile of the present invention, since the notch is formed in the connecting portion of the core material from at least one side in the width direction, the core is prevented from bending in the width direction of the connecting portion. The material is easily deformed. for that reason,
When mounted on the periphery of the vehicle body opening, the core material can be easily deformed in response to such a shape change even in a part such as a corner part where the shape change to the inside and outside of the body is large, and the opening trim The workability of assembly is improved.

In addition, since the core material can be easily deformed in response to the change in the shape of the peripheral portion of the opening, a situation in which the mounted opening trim is separated from the flange and floats is prevented. The sealing function 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.

Furthermore, since the lifting of the opening trim is prevented, a situation in which the opening trim is separated from the flange by the lifting and falls off is prevented.

[Brief description of the drawings]

FIG. 1 is a plan view of a core material 1 embedded in an automobile opening trim 2 according to the present embodiment.

FIG. 2 is a cross-sectional view of the core material 1.

FIG. 3 is a cross-sectional view of the opening trim 2 for a vehicle.

FIG. 4 is a cross-sectional view showing a state where the opening trim 2 is mounted on the vehicle, and is a cross-sectional view taken along line X4-X4 of FIG.

FIG. 5 is a side view of the vehicle 3 on which the opening trim 2 is mounted.

FIG. 6 is a cross-sectional view showing a state where a conventional opening trim is mounted on a vehicle.

FIG. 7 is a plan view of a core material embedded in a conventional opening trim.

[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 15 Hollow seal part 26 Gap 27, 27a, 27b Component piece 28 Connection part 30 Cut

Claims (3)

[Claims] 1. An opening trim having a mounting base having a substantially U-shaped cross section which is mounted on a peripheral portion of an opening of a vehicle body of an automobile, wherein a core is embedded in the mounting base, wherein the core is formed by the opening trim. A plurality of components arranged side by side at predetermined intervals in the longitudinal direction, and a connecting portion for connecting the plurality of components at a substantially central portion thereof. An opening trim for an automobile, wherein the opening trim extends to the center in the width direction of the connecting portion. 2. The opening trim for an automobile according to claim 1, wherein the gaps of the part of the core material are arranged on both sides in the width direction of the connecting portion. 3. The opening trim for an automobile according to claim 2, wherein the partial gap of the core material is arranged in a staggered manner with respect to a plurality of constituent pieces on both sides in the width direction of the connecting portion.