JP2007015629A - Weather strip for back door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a weather strip mounted to an upper end part of a lower back door of an automobile, enabling assembling of a cover part formed in a die molded part of the weather strip in a stable posture and having good appearance and sealing performance. <P>SOLUTION: This weather strip is mounted to the upper end part of the lower back door 1, and comprises an extrusion molded part 11 and the die molded parts 12 formed integrally with both right and left end sides of the extrusion molded part 11. The die molded part 12 is provided with a cover part 14 projecting from its main body part 13 to the light and left directions and having an approximately reverse L-shaped cross section with a horizontal part 15 and a vertical part 16, and the vertical part 16 is inserted between an outer panel 3 and an outer garnish 5. In this case, a hanging part 17 inserted between an inner panel 2 positioned in the indoor side of the outer panel 3 and a cover garnish 4 positioned in the indoor side from the inner panel 2 is hung from the horizontal part 15 of the cover part 14, and a recessed part 18 on which a tip of the cover garnish 4 abuts is formed in the hanging part 17. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention has an upper back door that opens upward on the back side of an automobile with an upper end hinge as an axis, and a lower back door that opens downward on an axis with the lower end hinge as an axis, and the upper end of the lower back door It is related with the weather strip attached to a part.

  This will be described with reference to FIGS. On the back side, an automobile having two back doors, an upper back door 6 and a lower back door 1, is used in many cases. The upper end of the lower back door 1 has an extrusion molding portion 31. Weather strips 30 integrally molded with mold forming portions 32 are attached to the left and right side ends.

  The mold forming portion 32 of the weather strip 30 is provided with a seal main body portion 33 fixed to the inner panel 2 of the lower back door 1 and protruding in the left and right directions from the main body portion 33, and when the lower back door is closed. A lid portion 34 is provided which is in elastic contact with the body of the automobile and serves as a gap concealing portion when the upper back door 6 is closed. As shown in FIG. 5, the lid portion 34 has an approximately L-shaped cross section and is assembled by inserting a lower end portion between the outer panel 3 and the exterior garnish 5.

  In such a conventional weather strip 30, the lid portion 34 is simply inserted and assembled between the outer panel 3 and the exterior garnish 5, so that the lid portion 34 can easily move both in the front-rear direction and in the vertical direction. There is a problem that the posture after assembly is not stable and the appearance is lowered.

  In addition, there is a problem of sealing performance such that water enters from a gap G formed between the inner panel 2 and the cover garnish 4 provided on the indoor side (front side) thereof.

  The present invention was devised in view of such problems, and in the weather strip attached to the upper end of the lower back door of the automobile, by stabilizing the assembled posture of the lid formed on the molded part, It is an object of the present invention to provide a product that can prevent deterioration in appearance and has excellent sealing properties.

  This will be described with reference to FIGS. 1 and 2 and FIGS. A weather strip 10 for a back door according to claim 1 is attached to an upper end portion of a lower back door 1 provided on a back side of an automobile, and is molded integrally with an extruded portion 11 and both left and right end portions thereof. The mold part 12 is provided in the left and right direction so as to protrude from the body part 13 and has a horizontal part 15 and a vertical part 16. The vertical part 16 is an outer part. In the weather strip provided with the cover part 14 inserted between the panel 3 and the exterior garnish 5, the inner panel 2 located on the indoor side of the outer panel 3 from the horizontal part 15 of the cover part 14, and A hanging portion 17 inserted between the cover garnish 4 located on the indoor side is suspended, and a recessed portion 18 with which the tip of the cover garnish 4 abuts is formed on the hanging portion 17. It is.

  The weather strip 10 for a back door according to a second aspect is the invention according to the first aspect, wherein the protruding portion 20 that is close to or in contact with the upper end surface of the cover garnish 4 is suspended from the front end portion of the horizontal portion 15. It will be.

  The weather strip 10 for a back door according to claim 1 is provided between the inner panel 2 located on the indoor side of the outer panel 3 and the cover garnish 4 located on the indoor side from the horizontal part 15 of the lid part 14. The hanging part 17 is inserted into the hanging part 17 and the recessed part 18 with which the tip of the cover garnish 4 abuts is formed in the hanging part 17, so that the lid part 14 is moved vertically and vertically after the weather strip 10 is assembled. It can be prevented from moving in the direction.

  That is, the forward movement of the lid portion 14 is prevented by the front end of the cover garnish 4 coming into contact with the front surface of the recess 18, and the backward movement is caused by any part of the drooping portion 17 against the inner panel 2. Stopped by touching. Further, the upward movement of the lid portion 14 is prevented by the rear end of the bent portion 4a formed at the upper end portion of the cover garnish 4 coming into contact with the lower surface 18a of the concave portion 18, and the downward movement of the lid portion 14 is performed. Is prevented by the rear end of the bent portion 4 a of the cover garnish 4 coming into contact with the upper surface of the recess 18. By these, the movement of the cover part 14 in the front-rear direction and the vertical direction is both prevented, the assembled posture of the cover part 14 is stable, and the appearance can be maintained well.

  In addition, since the drooping portion 17 of the lid portion 14 is inserted between the inner panel 2 and the cover garnish 4 and the tip of the cover garnish 4 is brought into contact with the concave portion 18 formed in the drooping portion 17, A gap G between the cover garnish 4 and the cover garnish 4 can be closed, and the sealing performance of the portion can be improved.

  The weather strip 10 for the back door according to claim 2 is similar to the invention according to claim 1 in that the movement of the lid portion 14 in the front-rear direction and the up-down direction is prevented, and the assembled posture is satisfactorily maintained. Can increase the sex.

  Further, since the projecting portion 20 that is close to or in contact with the upper end surface of the cover garnish 4 is suspended from the front end portion of the horizontal portion 15, when the projecting portion 20 contacts the cover garnish 4, the lid portion 14 The downward movement is further reliably prevented. Thereby, the assembly | attachment attitude | position of the cover part 14 is stabilized more, and appearance can further be improved.

  An embodiment of a weather strip 10 for a back door according to the present invention is shown in FIG. 1, FIG. 2, and FIGS. This is provided on the back side of an automobile, directly below the upper back door 6 that opens upward with the upper hinge as an axis, and attached to the upper end of the lower back door 1 that opens downward with the lower hinge as an axis. Thus, a lid portion 14 is formed of the extrusion molding portion 11 and the mold molding portion 12 integrally molded at both left and right end portions, and the mold molding portion 12 projects from the main body portion 13 in the left-right direction. A weather strip. The lid portion 14 has a substantially inverted L-shaped cross section having a horizontal portion 15 and a vertical portion 16, and the vertical portion 16 is inserted into a gap J between the outer panel 3 and the exterior garnish 5.

  A hanging portion 17 is suspended from the horizontal portion 15 of the lid portion 14. The hanging portion 17 is inserted into a gap G between the inner panel 2 located on the indoor side of the outer panel 3 and the cover garnish 4 located on the indoor side. Further, a concave portion 18 is formed in the hanging portion 17 so that the tip of the cover garnish 4 abuts.

  The lower back door 1 includes an inner panel 2, an outer panel 3, a cover garnish 4 and an exterior garnish 5. An interior trim 8 is attached to the indoor side excluding the left and right ends of the lower back door 1. Further, the main body 13 of the lid 14 elastically contacts the body weather strip 7 attached along the opening edge of the automobile body.

  Moreover, although the recessed part 18 in this embodiment is formed with the convex part 19 protruded ahead in the lower end part of the drooping part 17, and the horizontal part 15 of the said cover part 14, this invention is limited to this. For example, as shown in FIG. 9, two convex portions 19 may be formed on the upper and lower sides, and the portion between them may be the concave portion 18.

  Moreover, in this embodiment, the protrusion part 20 is hung down from the front-end part of the horizontal part 15, and the lower end is made to adjoin to the upper end surface of the bending part 4a formed by bending the upper end part of the cover garnish 4 back. . In addition, the code | symbol H is a hole for attaching the shaping | molding part 12 to the inner panel 2 with a clip.

  The weather strip 10 for a back door according to the present embodiment reliably prevents the lid portion 14 from moving in the front-rear direction and the up-down direction after being assembled to the lower back door 1, and the lid portion 14 is assembled. The posture can be stabilized and the appearance can be kept good.

  That is, the forward movement of the lid portion 14 is prevented by the front end of the cover garnish 4 coming into contact with the front surface of the recess 18. Further, the backward movement is prevented by the lower end of the protruding portion 20 formed in the hanging portion 17 coming into contact with the inner panel 2.

  Further, the upward movement of the lid portion 14 is prevented by the rear end of the bent portion 4 a of the cover garnish 4 coming into contact with the lower surface of the concave portion 18. Further, the downward movement is prevented by the rear end of the bent portion 4a of the cover garnish 4 coming into contact with the upper surface of the recess 18 and the upper surface of the bent portion 4a of the cover garnish 4 coming into contact with the lower end of the hanging portion 17. Is done. As a result, the movement of the lid portion 14 in the front-rear direction and the vertical direction is prevented, the assembled posture of the lid portion 14 after the weather strip 10 is assembled is stabilized, and the appearance is maintained well.

  Further, since the drooping portion 17 of the lid portion 14 is inserted between the inner panel 2 and the cover garnish 4 and the tip of the cover garnish 4 is brought into contact with the recess 18 formed in the drooping portion 17, the inner panel 2 and the cover garnish 4 can be closed by the hanging portion 17. Thereby, the sealing performance of the gap G can be improved.

It is a rear view which shows the back side of the motor vehicle with which the weather strip for back doors was attached (the state where the upper back door opened and the lower back door closed). It is a rear view which shows the back side of the motor vehicle with which the weather strip for back doors was attached (a state where both the upper back door and the lower back door opened). It shows the weather strip for back doors which concerns on a prior art example, and is a back surface expansion perspective view of the X section in FIG. It is a front expansion perspective view of the weather strip for back doors shown in FIG. The weather strip for back doors which concerns on a prior art example is shown, and it is the YY sectional view taken on the line of FIG. 1 and FIG. The weather strip for backdoors concerning the embodiment of the present invention is shown, and it is the back expansion perspective view of the X section in Drawing 1. It is a front expansion perspective view of the weather strip for back doors shown in FIG. The weather strip for back doors concerning the embodiment of the present invention is shown, and it is a YY line sectional view of Drawing 1 and Drawing 6. It is a modification figure of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lower back door 2 Inner panel 3 Outer panel 4 Cover garnish 4a Bending part 5 Exterior garnish 6 Upper back door 7 Body weather strip 8 Interior trim 10 Back door weather strip 11 Extrusion part 12 Molding part 13 Body part 14 Lid portion 15 Horizontal portion 16 Vertical portion 17 Suspended portion 18 Recessed portion 18a Lower surface of recessed portion 19 Protruding portion 20 Protruding portion 30 Backdoor weather strip 31 Extrusion molding portion 32 Molding portion 33 Seal body portion 34 Lid portion H Hole portion

Claims (2)

  It is attached to the upper end portion of the lower back door (1) provided on the back side of the automobile, and is composed of an extrusion molding portion (11) and a molding portion (12) integrally molded at both left and right end portions, The molded part has a substantially inverted L-shaped cross section having a horizontal part (15) and a vertical part (16) projecting from the body part (13) in the left-right direction, and the vertical part is the outer panel (3). A weather strip having a lid portion (14) inserted between the outer garnish (5) and the inner panel (2) located on the indoor side of the outer panel from the horizontal portion of the lid portion; A hanging part (17) inserted between the cover garnish (4) located on the indoor side is further suspended, and a recessed part (18) with which the tip of the cover garnish abuts is formed on the hanging part. Weather for back door Lip. The weather strip for a back door according to claim 1, wherein a projecting portion (20) close to or in contact with the upper end surface of the cover garnish (4) is suspended from the front end portion of the horizontal portion (15).

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