JP2014151774A - Automotive opening trim weather strip - Google Patents

Abstract

An automotive opening trim weather strip is provided which has a reduced weight and does not open or buckle when mounted on a corner.
A mounting base portion of an opening trim weatherstrip is formed in a substantially U-shaped cross section having a vehicle outer side wall, a bottom wall, and a vehicle inner side wall without embedding a metal insert. The vehicle outer side wall 21 forms a vehicle outer side wall root portion 21b with a solid material on the bottom wall side, and forms a vehicle outer side wall tip portion 21a with a sponge material on the front end side. The boundary between the vehicle outer side wall front end portion 21 a and the vehicle outer side wall root portion 21 b becomes the vehicle outer side wall boundary portion 21, and the vehicle outer side wall boundary portion 21 c is formed obliquely with respect to the vehicle outer side wall 21. The tip of the vehicle outer side wall base portion 21b is formed such that the inner surface side of the vehicle outer side wall 21 extends in the tip direction, and the tip of the vehicle outer side wall tip portion 21a extends from the outer surface side of the vehicle outer side wall 21 toward the bottom wall 23.
[Selection] Figure 1

Description

  The present invention relates to an automotive opening trim weather strip for sealing between a vehicle body opening / closing member for opening / closing a vehicle body opening such as an automobile door and a periphery of the vehicle body opening.

Hereinafter, as shown in FIG. 3, the present invention will be described by taking as an example an opening trim weather strip 10 that seals between the door 2 of the automobile and the peripheral edge 6 of the vehicle body opening.
Conventionally, as shown in FIGS. 3 and 5, the seal between the door 2 of the automobile and the peripheral edge 6 of the vehicle body has a door weather strip 170 attached to the outer periphery of the door frame 2a and the door panel 2b. The glass run 160 is attached to the inner periphery of the door frame 2a and the like and seals between the door glass 5 and the opening trim weather strip 110 attached to the flange 7 on the periphery 6 of the vehicle body opening. The flange 7 is formed by an outer panel 9 that defines the vehicle body opening peripheral edge 6, an inner panel 8 on the inside of the vehicle, and the like.

  An opening trim weather strip 110 is attached to the flange 7 at the opening of the vehicle body, and the door 2 and the vehicle body opening are located further inside the vehicle than the portion where the door weather strip 170 seals the periphery 6 of the vehicle body opening. The space between the peripheral edges 6 is sealed. The opening trim weather strip 110 is attached to the flange 7 by a mounting base 120 having a substantially U-shaped cross section, and a hollow seal portion 130 is in contact with the door frame bulging portion 2c for sealing. Although the metal insert is not embedded in the mounting base 120 shown in FIG. 5, a metal insert or the like is provided inside the conventional mounting base 120 in order to grip the flange 7 along the inside of the substantially U-shaped cross section. The core material is embedded, and a flange holding lip is provided on the inner surface.

  However, since this conventional opening trim weather strip 110 has a metal insert, the weight increases. Therefore, it was necessary to abolish the metal insert in order to meet the demand for weight reduction of automobiles.

  For this reason, as shown in FIG. 6, in the back door weather strip 210 attached to the opening of the vehicle body, the trim portion 220 having no insert attached to the flange 7 and the hollow seal portion 230 are integrally provided from the trim portion 220. In some cases, the trim portion 220 is formed of a solid material (for example, see Patent Document 1).

  Further, as shown in FIG. 7, in the opening trim weather strip 310 attached to the opening of the vehicle body, a trim portion 320 having no insert attached to the flange 7 and a hollow seal portion 330 are integrally provided from the trim portion 320. In some cases, the bottom wall 323 of the trim portion 320 and the base side of the vehicle outer side wall 321 and the vehicle inner side wall 322 are formed of a solid material (see, for example, Patent Document 2).

  However, in this case, in order to secure the holding force for holding the flange 7 by the trim portions 220 and 320, the thickness of the trim portions 220 and 320 is increased, and the weight of the trim portions 220 and 320 is increased. It was. Moreover, when attaching the trim parts 220 and 320 to the flange 7 of the vehicle, there is a problem that the front ends of the trim parts 220 and 320 open or buckle at the corners.

JP 2010-47157 A JP2011-218845A

  Therefore, an object of the present invention is to provide an opening trim weather strip for an automobile that has a reduced weight and does not open or buckle when mounted on a corner portion.

In order to solve the above problems, the present invention of claim 1 is an opening trim weather strip that seals between a vehicle body opening / closing member of an automobile and a periphery of the vehicle body opening of the automobile.
The opening trim weather strip has a mounting base that is attached to a flange provided at the periphery of the vehicle body opening,
The mounting base does not embed a metal insert, and is formed in a substantially U-shaped cross section having a vehicle outer side wall, a bottom wall, and a vehicle inner side wall, and the vehicle outer side wall is formed of a solid material on the bottom wall side to form a vehicle outer side wall root portion. The front end side is made of sponge material to form the vehicle outer side wall front end portion, and the boundary between the vehicle outer side wall front end portion and the vehicle outer side wall root portion becomes the vehicle outer side wall boundary portion. The tip of the vehicle outer side wall root portion is formed by extending the inner surface side of the vehicle outer side wall in the tip direction, and the tip of the vehicle outer side wall tip portion is formed by extending the outer surface side of the vehicle outer side wall in the direction of the bottom wall. An automotive opening trim weather strip.

In the first aspect of the present invention, the opening trim weather strip has a mounting base that is attached to a flange provided at the periphery of the vehicle body opening, and the mounting base does not embed a metal insert. Can be reduced, which can contribute to weight reduction of the automobile.
The mounting base is formed in a substantially U-shaped cross section having a vehicle outer side wall, a bottom wall, and a vehicle inner side wall. For this reason, the mounting base portion can hold the opening trim weather strip on the periphery of the vehicle body opening portion by sandwiching the flange inside the substantially U-shaped cross section.

  The vehicle outer side wall is formed of a solid material on the bottom wall side to form the vehicle outer side wall root portion, and the tip side thereof is formed of a sponge material to form the vehicle outer side wall tip portion. For this reason, a flange can be firmly hold | maintained by the vehicle outer side wall root part formed with the solid material. In addition, the front end portion of the vehicle outer side wall formed of a sponge material can be flexibly brought into contact with the root portion of the flange to improve the sealing performance between the flange and the vehicle outer side wall. Further, the weight of the vehicle outer side wall can be reduced.

  The boundary between the vehicle outer side wall tip and the vehicle outer side wall root becomes the vehicle outer side wall boundary, the vehicle outer side wall boundary is formed obliquely with respect to the vehicle outer side wall, and the tip of the vehicle outer side wall root is the vehicle outer side. The inner surface side of the side wall extends in the front end direction, and the front end of the vehicle outer side wall front end portion is formed by the outer surface side of the outer side wall extending in the bottom wall direction. For this reason, it can be formed so that the bending neutral axis of the vehicle outer side wall becomes narrower inward, and when the mounting base is mounted on the corner of the periphery of the vehicle body opening, the front end of the vehicle outer side wall is substantially in cross-section. There is no bending toward the outside of the letter shape (opening), ensuring followability of the mounting base at the corner portion, and assembling property can also be improved.

  According to a second aspect of the present invention, there is provided an opening trim for an automobile having a seal portion that is provided integrally with the mounting base and seals between the vehicle body opening / closing member and the periphery of the vehicle body opening in contact with the vehicle body opening / closing member. Weather strip.

  According to the second aspect of the present invention, there is provided a seal portion that is provided integrally with the mounting base and seals between the vehicle body opening / closing member and the periphery of the vehicle body opening in contact with the vehicle body opening / closing member. For this reason, when the attachment base is attached to the periphery of the vehicle body opening, the seal portion comes into contact with the vehicle body opening / closing member when the vehicle body opening / closing member is closed, and seals between the vehicle body opening / closing member and the vehicle body opening periphery. can do.

  According to a third aspect of the present invention, the seal portion is a hollow seal portion integrally formed on the outer side surface of the vehicle outer side wall, and the tip of the base side of the vehicle outer side wall of the hollow seal portion is the vehicle outer side wall boundary portion. The front end of the outer side wall of the hollow seal portion is connected to the base portion of the outer side wall in the vicinity of the vehicle, and is an automotive opening trim weather strip connected to the vicinity of the front end of the outer side wall tip.

According to the third aspect of the present invention, the seal portion is a hollow seal portion formed integrally with the outer side surface of the vehicle outer side wall. Therefore, when the vehicle body opening / closing member is closed, the hollow seal portion is the vehicle body opening portion. The sealing member can be stably in contact with the opening / closing member in a flexible manner.
The tip on the base side of the outer side wall of the hollow seal part is connected to the base part of the outer side wall in the vicinity of the boundary part on the outer side wall, and the tip on the tip side of the outer side wall of the hollow seal part is the tip part on the outer side wall. Accordingly, one end of the hollow seal portion is stably held by the vehicle outer side wall root portion formed of a solid material, and abnormal deformation of the hollow seal portion can be prevented.

  According to a fourth aspect of the present invention, there is provided an automobile opening trim weather strip in which the vehicle outer side wall and the bottom wall are formed so as to form a substantially right angle, and the vehicle inner side wall and the bottom wall are formed so as to form an acute angle.

  According to the present invention of claim 4, the outer side wall and the bottom wall are formed so as to form a substantially right angle, and the vehicle inner side wall and the bottom wall are formed so as to form an acute angle. When attached to the vehicle, the vehicle outer side wall can be stretched against the bottom wall, and the vehicle outer side wall does not open.

  The present invention according to claim 5 is an opening trim weather strip for automobiles in which the solid material has an international rubber hardness (IRHD) of 60 to 90 degrees.

  In the fifth aspect of the present invention, since the solid material has an international rubber hardness (IRHD) of 60 to 90 degrees, the portion formed of the solid material has sufficient rigidity, and the mounting base portion is provided at the periphery of the vehicle body opening. When attached to the corner portion, the attachment base portion can reliably hold the flange without abnormal deformation of the portion formed of the solid material. Moreover, it can bend according to the curvature of a corner part, and attachment is easy.

  According to a sixth aspect of the present invention, in the vehicle outer side wall boundary portion, the front end of the vehicle outer side wall root portion has an inner surface side of the vehicle outer side wall extending in the front end direction, and the vehicle outer side wall root portion front end protrusion is formed at the front end. Opening trim weather strip.

  According to the sixth aspect of the present invention, at the vehicle outer side wall boundary portion, the front end of the vehicle outer side wall root portion extends in the direction of the inner surface of the vehicle outer side wall, and the vehicle outer side wall root portion tip protrusion is formed at the front end. For this reason, when the flange is inserted into the mounting base, the front end of the flange slides in contact with the vehicle outer side wall base end front end protrusion, and the front end of the flange can be guided into the mounting base. Further, after the insertion, the vehicle outer side wall root portion tip protrusion comes into contact with the side surface of the flange, and the flange can be stably held.

  According to the seventh aspect of the present invention, the vehicle inner side wall has a solid material on the bottom wall side to form a vehicle inner side wall root portion, and a tip end side from the sponge material to form a vehicle inner side wall front end portion. The boundary of the side wall root portion becomes the vehicle inner side wall boundary portion, the vehicle inner side wall boundary portion is formed obliquely with respect to the vehicle inner side wall, and the inner side of the vehicle inner side wall extends in the front end direction at the tip of the vehicle inner side wall root portion. The front end portion of the vehicle inner side wall is an automotive opening trim weather strip formed by extending the outer surface side of the vehicle inner side wall toward the bottom wall.

  In the present invention of claim 7, the inner side wall of the vehicle inner side wall is formed of a solid material on the bottom wall side, and the front side of the vehicle inner side wall is formed of a sponge material on the front end side. For this reason, a flange can be firmly hold | maintained by the vehicle inner side wall root part formed with the solid material. Moreover, the vehicle inner side wall front end portion formed of the sponge material can be bent together with the vehicle inner side seal lip, and can be brought into contact with the flange in accordance with the change in the thickness of the flange to improve the sealing performance.

  The boundary between the vehicle inner side wall tip and the vehicle inner side wall root becomes the vehicle inner side wall boundary, and the vehicle inner side wall boundary is formed obliquely with respect to the vehicle inner side wall, and the tip of the vehicle inner side wall root is the vehicle inner side. The inner surface side of the side wall extends in the front end direction, and the front end of the vehicle inner side wall front end portion is formed by extending the outer surface side of the vehicle inner side wall in the bottom wall direction. For this reason, it can be formed so that the bending neutral axis of the vehicle inner side wall becomes narrower inward, and when the attachment base is attached to the corner of the periphery of the vehicle body opening, the tip of the vehicle inner side wall is substantially in cross-section. There is no bending toward the outside of the letter shape (opening), ensuring followability of the mounting base at the corner portion, and assembling property can also be improved.

  According to the present invention of claim 8, the vehicle outer side wall is formed of a solid material on the bottom wall side to form the vehicle outer side wall root portion below the portion corresponding to the belt line of the door, and the tip side is a sponge material and the vehicle outer side wall tip portion. The boundary between the vehicle outer side wall tip and the vehicle outer side wall root is the vehicle outer side wall boundary, and the vehicle outer side wall boundary has an opening trim weather strip formed obliquely with respect to the vehicle outer side wall. Fig. 2 is an installed automotive opening trim weatherstrip.

  In the present invention of claim 8, below the portion corresponding to the belt line of the door, the vehicle outer side wall is formed of a solid material on the bottom wall side to form the vehicle outer side wall root portion, and the tip side is made of sponge material and the vehicle outer side wall tip portion. The boundary between the vehicle outer side wall front end and the vehicle outer side wall root is the vehicle outer side wall boundary, and the vehicle outer side wall boundary is formed obliquely with respect to the vehicle outer side wall. For this reason, the mounting base attached to the lower part of the door belt line is hard to come off from the flange, so there is no need to embed an insert, reducing the weight and preventing the opening of the mounting base at the corner. it can.

  The vehicle outer side wall is formed of a solid material on the bottom wall side to form the vehicle outer side wall root portion, and the tip side is formed of a sponge material to form the vehicle outer side wall tip portion. The flange can be held firmly. In addition, the front end portion of the vehicle outer side wall formed of a sponge material can be flexibly brought into contact with the root portion of the flange to improve the sealing performance between the flange and the vehicle outer side wall.

  The vehicle outer side wall boundary portion is formed obliquely with respect to the vehicle outer side wall, and the front end of the vehicle outer side wall root extends in the direction of the inner side of the vehicle outer side wall, and the front end of the vehicle outer side wall is the outer surface of the vehicle outer side wall. The side was formed extending in the direction of the bottom wall. For this reason, it can be formed so that the bending neutral axis of the vehicle outer side wall becomes narrower inward, and when the mounting base is mounted on the corner of the periphery of the vehicle body opening, the front end of the vehicle outer side wall is substantially in cross-section. There is no bending toward the outside of the letter shape (opening), ensuring followability of the mounting base at the corner portion, and assembling property can also be improved.

FIG. 5 is a cross-sectional view of a state in which an opening trim weather strip according to an embodiment of the present invention is attached to a periphery of a vehicle body opening at a portion along line AA in FIG. 4. FIG. 5 is a cross-sectional view of a portion along the line BB in FIG. 4 of the opening trim weather strip according to the embodiment of the present invention. It is the perspective view seen from the back of a car in the state where the door of a car was opened showing the state of attachment to the body opening part peripheral part of an opening trim weatherstrip. It is a front view of the opening trim weather strip which is an embodiment of the present invention. FIG. 6 is a cross-sectional view of the vehicle body opening periphery and the door frame upper edge when the opening trim weather strip is attached to the upper edge of the vehicle body opening periphery and the door is closed. It is sectional drawing in the state which attached the conventional back door weather strip to the opening edge of a motor vehicle. It is sectional drawing in the state which attached the other conventional opening trim weather strip to the opening edge of a motor vehicle.

An embodiment of the present invention will be described by taking an example of an opening trim weather strip 10 that closes a door 2 that is a vehicle body opening / closing member and a vehicle body opening peripheral edge 6 of a vehicle body opening to which the door 2 is attached.
FIGS. 1 and 2 are taken along lines AA and BB in FIG. 4 in a state where the opening trim weather strip 10 according to the embodiment of the present invention is mounted on the vehicle body opening peripheral edge 6 in FIG. It is sectional drawing of a part.

As shown in FIG. 3, a vehicle body 1 of an automobile has a vehicle body opening, and the vehicle body opening is opened and closed by a door 2 that is a vehicle body opening opening / closing member. The periphery of the vehicle body opening forms a vehicle body opening periphery 6, and the vehicle body opening periphery 6 is welded to the front end of the outer panel 9, the inner panel 8, etc. constituting the vehicle body 1, and the flange 7 (see FIG. 5). It has become. An opening trim weather strip 10 is attached to the flange 7 for sealing between the periphery 6 of the vehicle body opening and the door 2.
The thickness of the flange 7 varies depending on the region of the vehicle body opening periphery 6 because the number of panels to be welded varies from about 2 to about 5 depending on the region of the vehicle body opening periphery 6 of the vehicle body 1.

  As shown in FIGS. 3 and 5, the seal between the door 2 of the automobile and the peripheral edge 6 of the vehicle body is a door weather strip 70 attached to the outer periphery of the door frame 2 a and the door panel 2 b in the door 2. And a glass run 60 that is attached to the inner periphery of the door frame 2a and the like and seals between the door glass 5 and an opening trim weather strip 10 that is attached to the flange 7 at the periphery 6 of the vehicle body opening.

  In the present embodiment, the opening trim weather strip 10 is linearly formed by extrusion. The two weather strips, the upper weather strip 11 forming the upper part of the opening trim weather strip 10 and the lower weather strip 12 forming the lower part, are extruded separately. The cross-sectional shape of the upper weather strip 11 is shown in FIG. 2, and the cross-sectional shape of the lower weather strip 12 is shown in FIG.

The two opening trim weather strips 10 formed separately in a straight line are formed in an annular shape by a connecting portion 13 as shown in FIG. 4, and the shape of the peripheral edge 6 of the vehicle body opening is shown in FIG. Is attached to the flange 7 of the vehicle body opening peripheral edge 6. If it is formed in an annular shape, it can be easily mounted without any gap on the periphery 6 of the vehicle body opening.
In the present embodiment, the cross-sectional shape of the upper weather strip 11 and the cross-sectional shape of the lower weather strip 12 are formed separately, but the cross-sectional shape of the upper weather strip 11 is the same as the cross-sectional shape of the lower weather strip 12. It can be the same.

  The connecting portion 13 that connects both ends of the opening trim weather strip 10 can be formed of a softer material than other portions formed by extrusion. In this case, since it is formed in an annular shape and the connecting portion 13 that connects both ends when mounted on the flange 7 is formed of a soft material, the soft material easily expands and contracts, and the opening trim weather strip 10 Can absorb the expansion and contraction at the time of wearing.

Next, a cross-sectional shape of the lower weather strip 12 of the opening trim weather strip 10 will be described with reference to FIG.
The lower weather strip 12 is integrally formed with the trim portion 20 that is a mounting base portion having a substantially U-shaped cross section that is attached to the flange 7 formed on the peripheral edge 6 of the vehicle body opening, and the door frame of the door 2. A hollow seal portion 30 is provided in contact with the bulging portion 2c to seal between the door 2 and the vehicle body opening periphery 6. Although the seal part of the embodiment of the present invention is formed as a hollow seal part 30 having a hollow shape, the seal part can be formed in a lip shape.

  The trim portion 20 has a substantially U-shaped cross section having a vehicle outer side wall 21, a vehicle inner side wall 22 and a bottom wall 23. Since the trim portion 20 can cope with the change in the thickness of the flange 7, the bottom wall 23 has a predetermined width dimension. The vehicle outer side wall 21, the vehicle inner side wall 22 and the bottom wall 23 of the trim part 20 are integrally formed continuously, and an insert (core material) formed of a metal plate that reinforces the clamping force for clamping the flange 7 is embedded. It has not been. For this reason, the opening trim weather strip 10 can be reduced in weight.

  The vehicle outer side wall 21 is formed of two types of materials, a solid material and a sponge material. The vehicle outer side wall 21 is formed of a solid material on the bottom wall 23 side and forms a vehicle outer side wall root portion 21b, and a tip side thereof is formed of a sponge material and forms a vehicle outer side wall tip portion 21a. For this reason, the flange 7 can be firmly held by the vehicle outer side wall root portion 21b formed of a solid material. Further, the vehicle outer side wall front end portion 21a formed of a sponge material can be flexibly brought into contact with the bent portion of the root portion of the flange 7 to improve the sealing performance between the flange 7 and the vehicle outer side wall 21. .

  The boundary between the vehicle outer side wall front end portion 21a and the vehicle outer side wall root portion 21b forms a vehicle outer side wall boundary portion 21c. As shown in FIG. 1, the vehicle outer side wall boundary portion 21 c is formed obliquely with respect to the longitudinal direction of the vehicle outer side wall 21. That is, the front end of the vehicle outer side wall root portion 21b formed of a solid material becomes narrower as it goes in the front end direction, and the inner surface side of the vehicle outer side wall 21 extends in the front end direction. It extends to the side. And the front-end | tip of the vehicle outer side wall front-end | tip part 21a formed with the sponge material is extended and formed in the bottom wall 23 direction on the outer surface side of the vehicle outer side wall 21, and is extended to the substantially middle part of the vehicle outer side wall 21. FIG.

  For this reason, it can form so that the bending neutral axis | shaft of the vehicle outer side wall 21 may become narrow toward the inside, and when the trim part 20 is attached to the corner part of the vehicle body opening part periphery 6, the front-end | tip of the vehicle outer side wall 21 Is not bent toward the outer side of the substantially U-shaped cross section, and the followability of the trim portion 20 at the corner portion can be ensured and the assembling property can be improved.

On the inner surface of the vehicle outer side wall 21, a plurality of vehicle outer side wall ridges 21d are formed at a portion of the vehicle outer side wall root portion 21b.
Furthermore, in the vehicle outer side wall boundary portion 21c on the inner surface of the vehicle outer side wall 21, a vehicle outer side wall tip protrusion 21e is formed at the tip of the vehicle outer side wall root portion 21b. For this reason, when the flange 7 is inserted into the trim portion 20, the front end of the flange 7 slides in contact with the vehicle outer side wall front end protrusion 21 e, and the front end of the flange 7 is guided into the trim portion 20. Can do. Further, after the insertion, the vehicle outer side wall protrusion 21d and the vehicle outer side wall tip protrusion 21e come into contact with the side surface of the flange 7 so that the flange 7 can be stably held.

  In the present embodiment, a hollow seal portion 30 having a circular arc shape as a seal portion is formed on the outer surface of the vehicle outer side wall 21. The hollow seal portion 30 is formed of a sponge material. The hollow seal portion 30 can also be formed on the outer surface of the bottom wall 23 or the vehicle interior side wall 22. Further, the lip-shaped seal portion can be formed without providing the hollow seal portion 30 or only the trim portion 20 can be formed.

  When the trim portion 20 is attached to the vehicle body opening periphery 6, the hollow seal portion 30 contacts the door 2 when the door 2 is closed, and seals between the door 2 and the vehicle body opening periphery 6. be able to. The hollow seal portion 30 is formed of a sponge material and is hollow so that it has high flexibility. When the door 2 is closed, the hollow seal portion 30 comes into contact flexibly according to the unevenness of the door 2 and makes contact. The area is large and the sealing performance can be secured stably.

The hollow seal portion 30 includes a hollow seal portion tip side connecting portion 31 that is a tip on the tip side of the vehicle outer side wall 21 having an arc cross section, and a hollow seal portion root side connecting portion 32 that is a tip on the root side of the vehicle outer side wall 21. Are integrally connected to the outer surface of the vehicle outer side wall 21.
In addition, the hollow seal part cover part 33 which consists of a thin film layer of a solid material can be formed in a part or front part of the outer surface of the hollow seal part 30. Since the hollow seal portion cover portion 33 has good wear resistance, the hollow seal portion 30 can be prevented from being broken by long-term use, and has a smooth surface and good appearance.

  The hollow seal portion base side connection portion 32 is connected to the vehicle outer side wall root portion 21b formed of a solid material in the vicinity of the vehicle outer side wall boundary portion 21c. The hollow seal portion front end side connecting portion 31 is connected to the vicinity of the front end of the vehicle outer side wall front end portion 21a formed of a sponge material. For this reason, the hollow seal portion base side connecting portion 32 is held by the vehicle outer side wall root portion 21b formed of a solid material, and the hollow seal portion 30 is stably held. 30 abnormal deformations can be prevented.

  Next, the vehicle interior side wall 22 will be described. The vehicle inner side wall 22 is also preferably formed of two types of materials, a solid material and a sponge material. In this case, the bottom wall 23 side is made of a solid material to form the vehicle interior side wall root portion 22b, and the front end side is made of a sponge material to form the vehicle interior side wall distal end portion 22a.

  A vehicle inner side seal lip 24 is formed obliquely in the direction of the vehicle outer side wall 21 from the front end of the vehicle inner side wall front end portion 22a. The vehicle interior seal lip 24 is formed of a sponge material in the same manner as the vehicle interior side wall tip 22a. The front end of the vehicle interior seal lip 24 can abut the side surface of the flange 7 to hold the flange 7. The vehicle interior seal lip 24 can be bent according to the thickness of the flange 7.

  The boundary between the vehicle inner side wall front end portion 22a and the vehicle inner side wall root portion 22b forms a vehicle inner side wall boundary portion 22c. As shown in FIG. 1, the vehicle interior side wall boundary 22 c is formed obliquely with respect to the longitudinal direction of the vehicle interior side wall 22. That is, the front end of the vehicle inner side wall root portion 22b formed of a solid material becomes narrower in the direction of the front end, and the inner surface side of the vehicle inner side wall 22 extends in the front end direction and extends to the back surface of the vehicle inner side seal lip 24. Yes. The tip of the vehicle inner side wall front end portion 22 a formed of sponge material is formed to extend toward the bottom wall 23 on the outer surface side of the vehicle inner side wall 22 and extends to a substantially middle portion of the vehicle inner side wall 22.

  For this reason, it can form so that the bending neutral axis | shaft of the vehicle interior side wall 22 may become narrow toward the inside, and when the trim part 20 is attached to the corner part of the vehicle body opening part periphery 6, the front-end | tip of the vehicle interior side wall 22 Is not bent toward the outer side of the substantially U-shaped cross section, and the followability of the trim portion 20 at the corner portion can be ensured and the assembling property can be improved.

The bottom wall 23 is formed of a solid material integrally with the vehicle outer side wall root portion 21b and the vehicle inner side wall root portion 22b.
The vehicle outer side wall 21 and the bottom wall 23 are formed so as to form a substantially right angle. For this reason, when the trim part 20 is attached to the corner part of the vehicle body opening peripheral edge 6, the vehicle outer side wall 21 can be stretched against the bottom wall 23, and the vehicle outer side wall 21 does not open. Further, the vehicle interior side wall 22 and the bottom wall 23 can be formed to form an acute angle. In this case, when the trim portion 20 is attached to the corner portion of the vehicle body opening peripheral edge 6, the vehicle inner side wall 22 is not bent inside the trim portion 20, and the vehicle inner side wall 22 does not open.
A garnish 40 is attached to the outer surface of the bottom wall 23. For this reason, it is difficult for the trim part 20 to come off from the flange 7.

The solid material used in the present invention has an international rubber hardness (IRHD) of 60 to 90 degrees. When the trim portion 20 is formed with this hardness, the portion formed of the solid material has sufficient rigidity, and when the trim portion 20 is attached to the corner portion of the periphery 6 of the vehicle body opening, the solid material is used. The trim portion 20 can reliably hold the flange 7 without abnormally deforming the formed portion.
If the material has an IRHD of less than 60 degrees, the rigidity is insufficient and the trim portion 20 does not have a sufficient holding force. When the IRHD exceeds 90 degrees, the flexibility is insufficient and it is difficult to bend, and it may be troublesome or difficult to attach to the corner portion of the periphery 6 of the vehicle body opening.

EPDM solid rubber can be used as a solid material having an international rubber hardness (IRHD) of 60 to 90 degrees. In addition to the EPDM solid rubber, an olefin-based thermoplastic elastomer having the same degree of hardness can be used.
As the sponge material, an EPDM sponge material can be used.

Next, the upper weather strip 11 will be described with reference to FIG.
The upper weather strip 11 is used above the portion corresponding to the belt line of the door 2, and the lower weather strip 12 shown in FIG. 1 is used below the portion corresponding to the belt line of the door 2. The As with the lower weather strip 12, the upper weather strip 11 may be one that does not use an insert.

In the present embodiment, the upper weather strip 11 has an insert 25 embedded in the trim portion 20. The outer side wall 21, the inner side wall 22 and the bottom wall 23 of the trim part 20 are made of a solid material, and the hollow seal part 30 and the inner side seal lip 24 are made of a sponge material. For this reason, the trim part 20 can have a strong holding force.
Further, a cover lip 26 can be formed from the outer surface of the connecting portion between the bottom wall 23 and the vehicle interior side wall 22, and covers between the flange 7 and the trim portion 20.

6 Car body opening periphery 7 Flange 10 Opening trim weather strip 20 Trim (mounting base)
22 car outer side wall 22a car outer side wall tip 22b car outer side wall root 22c car outer side wall boundary 22 car inner side wall 23 bottom wall 30 hollow seal part

Claims (8)

In the opening trim weather strip that seals between the vehicle body opening / closing member of the vehicle and the periphery of the vehicle body opening of the vehicle,
The opening trim weather strip has a mounting base that is attached to a flange provided at the periphery of the vehicle body opening,
The mounting base does not embed a metal insert and is formed in a substantially U-shaped cross section having a vehicle outer side wall, a bottom wall, and a vehicle inner side wall. The front end side is formed of a sponge material, and the boundary between the vehicle outer side wall front end and the vehicle outer side wall root is the vehicle outer side wall boundary, and the vehicle outer side wall boundary is The vehicle outer side wall root portion is formed obliquely with respect to the vehicle outer side wall root portion, the inner side of the vehicle outer side wall extends in the front end direction, and the vehicle outer side wall tip portion has a front end located on the outer surface side of the vehicle outer side wall. An opening trim weather strip for an automobile, characterized in that it extends in the direction of the bottom wall.   2. The opening trim waist for an automobile according to claim 1, further comprising a seal portion that is provided integrally with the mounting base and seals between the vehicle body opening / closing member and the periphery of the vehicle body opening by contacting the vehicle body opening / closing member. The strip.   The seal portion is a hollow seal portion integrally formed on the outer side surface of the vehicle outer side wall, and a tip of the base side of the vehicle outer side wall of the hollow seal portion is on the vehicle outer side in the vicinity of the vehicle outer side wall boundary portion. The automotive opening trim weather strip according to claim 2, wherein the opening trim weather strip is connected to a side wall root portion, and a front end side of the outer side wall of the hollow seal portion is connected to a vicinity of a front end of the outer side wall front end portion.   The vehicle outer side wall and the bottom wall are formed so as to form a substantially right angle, and the vehicle inner side wall and the bottom wall are formed so as to form an acute angle. Opening trim weather strip for automobiles.   The automobile opening trim weather strip according to any one of claims 1 to 4, wherein the solid material has an international rubber hardness (IRHD) of 60 to 90 degrees.   6. The vehicle outer side wall boundary portion, wherein the front end of the vehicle outer side wall root portion has an inner surface side of the vehicle outer side wall extending in a front end direction, and a vehicle outer side wall root portion tip protrusion is formed at the front end. An opening trim weather strip for automobiles according to any one of the above.   The vehicle interior side wall is formed of a solid material on the bottom wall side to form a vehicle interior side wall root portion, and a tip end side is formed of a sponge material to form a vehicle interior side wall front end portion. The vehicle interior side wall front end portion and the vehicle interior side wall root portion The boundary is a vehicle inner side wall boundary portion, and the vehicle inner side wall boundary portion is formed obliquely with respect to the vehicle inner side wall, and the front end of the vehicle inner side wall root portion extends in the front end direction from the inner surface side of the vehicle inner side wall. 7. The opening trim weather strip for automobiles according to claim 1, wherein the front end portion of the vehicle interior side wall is formed such that an outer surface side of the vehicle interior side wall extends in the bottom wall direction.   Below the portion corresponding to the belt line of the door, the vehicle outer side wall has the bottom wall side made of solid material to form the vehicle outer side wall root portion, and the tip end side made of sponge material to form the vehicle outer side wall tip portion. The boundary between the front end portion of the outer side wall and the base portion of the outer side wall of the vehicle becomes a boundary portion of the outer side wall of the vehicle, and the boundary portion of the outer side wall of the vehicle is attached to the opening trim weather strip formed obliquely with respect to the outer side wall of the vehicle. An automotive opening trim weather strip according to any one of claims 1 to 7.

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