JP5189969B2 - Door weather strip mounting structure - Google Patents

Description

  The present invention relates to a door weather strip mounting structure that is mounted on a door sash of an automobile and elastically contacts a body panel.

  In the figure, a symbol in which one of the heavy lines drawn from the vertex of the isosceles triangle toward the opposite side is filled is used, and this indicates that the painted side represents the mold forming part and the non-painted side represents the extruded part.

  1 to 5, a door weather strip 20 is attached to the door sash 1 of the automobile for elastically contacting the body panel 2 to ensure a sealing property. The door weather strip 20 is fitted and attached to a retainer 10 having a substantially U-shaped cross section formed on the door sash 1. Further, the door weather strip 20 is composed of a molding part D constituting the corner part C and an extrusion molding part E forming a straight part, and the molding part D covers the corner part C of the door sash 1. A substantially flat so-called fin portion 21 is integrally formed.

  Conventionally, in order to fix the fin portion 21 to the door sash 1 in a stable posture, a hard insert panel is embedded by simultaneous molding, but the fin portion 21 (usually sponge rubber) and the insert panel (usually solid) There is a problem that the outer lip 26 is deformed due to a difference in shrinkage rate after molding of a hard material such as rubber.

In order to solve such a problem, instead of embedding an insert panel in the fin portion 21, as shown in FIGS. 1 to 5, the clip 41 is engaged with the outer surface (inner side surface) of the fin portion 21. An arrangement is provided in which the outsert panel 40 is provided with a projecting piece 42, the clip 41 is fixed to the door sash 1 through the fin portion 21, and the locking piece 41 is locked to the fin portion 21. Invented (for example, refer to Patent Document 1). By providing such an outsert clip 40, it is possible to solve the problem that the outer lip 26 is displaced due to a difference in contraction rate.
JP 2004-276704 A

  However, in the prior art using the outsert panel 40, the molded part D (especially the outer lip 26) of the door weather strip 20 at the corner part C is the interior side F as shown in FIG. The problem of being depressed. This is because, in the corner portion C, the indoor projecting piece 12 of the retainer 10 having a U-shaped cross section is a cut-out retainer portion 11 having a substantially J-shaped cross section that is cut for manufacturing reasons. (After welding the vertical sash and the horizontal sash of the door sash 1 at the corner portion C, the notch retainer portion 11 is required for sanding). That is, a drop occurs in the molded part D where the outsert panel 40 is not perfect.

  In order to solve this problem, it is conceivable to extend the outsert panel 40 to the notch retainer part 11, but the distance between the clip 41 provided at the substantially central part of the outsert panel 40 and the notch retainer part 11 is long. Therefore, simply extending it is not effective.

  Further, in the conventional door weather strip 20, the outsert panel 40 is locked to the fin portion 21 by the locking piece 42, but this locking is not always sufficient, and the outsert panel 40 is separated from the fin portion 21. There is also a problem that it is easy to come off. For this reason, means such as fixing the outsert panel 40 to the fin portion 21 with an adhesive tape is also employed, but this is troublesome and the productivity is poor.

  The present invention has been devised in view of these problems. In the case where the door weather strip is attached using an outsert panel at the corner portion, the door weather strip does not fall into the indoor side at the corner portion. It is an object of the present invention to provide a door weather strip mounting structure in which a sart panel does not come off.

  This will be described with reference to FIG. 1 and FIGS. The door weather strip mounting structure according to claim 1 is a structure for mounting a door weather strip 20 mounted on a door sash 1 of an automobile, and has a substantially U-shaped cross section formed on the door sash 1 and has a corner. The part C includes a retainer 10 including a notch retainer part 11 having a substantially J-shaped cross-section from which the indoor projecting piece 12 is cut, a mold forming part D constituting the corner part C, and an extrusion forming part E constituting the linear part. A door weather strip 20 having a substantially flat fin portion 21 that covers the corner portion C of the door sash 1 on the mold forming portion D, and an indoor side surface of the fin portion 21, and passes through the fin portion 21. And a clip 32 that is locked to the door sash 1 and an outsert panel 30 that is provided with a locking piece 33 that is locked to the fin portion 21.

  Further, the outsert panel 30 has a shape slightly smaller than the fin portion 21 and the clip main body 31 having the clip 32 of the fin portion 21, and the extrusion molding portion E side of the panel main body 31. A rod piece 34 protruding through the hollow hole 24 formed in the mounting base 22 of the extrusion molding part E through the recess 23 formed in the mounting base 22 of the part D is projected. Configure. The fin portion 21 is fixed to the door sash 1 and the extrusion molding portion E by the outsert panel 30.

  A door weather strip mounting structure according to a second aspect is the invention according to the first aspect, wherein the tip end portion 34t of the bar piece 34 of the outsert panel 30 is closely inserted into the hollow hole portion 24 of the extruded portion E. The intrusion portion 35 prevents water from entering the hollow hole portion 24.

  A door weather strip mounting structure according to a third aspect is the invention according to the second aspect, wherein the close-in portion 35 of the bar piece 34 is constituted by a protrusion 35a or a foam material 35b.

  A door weather strip mounting structure according to a fourth aspect is the invention according to the first, second or third aspect, wherein the tip 34t of the bar piece 34 of the outsert panel 30 is provided via a step 34a. .

  In the door weather strip mounting structure according to claim 1, the outsert panel 30 includes a panel body 31 having a shape slightly smaller than the fin portion 21 of the door weather strip 20 and an extrusion molding portion E side of the panel body 31. A rod piece 34 that projects through the hollow 23 formed in the mounting base 22 of the extrusion molding part E through the recess 23 formed in the mounting base 22 of the molding part D protrudes. Therefore, it is possible to prevent the door weather strip 20 from falling into the room interior at the corner portion C.

  That is, in the corner portion C, the notch retainer portion 11 (substantially J-shaped) is formed in the retainer 10, so that the door weather strip 20 (molded portion D) is likely to drop into the room side. Since the fin portion 21 is fixed to the door sash 1 by the clip 32 of the outsert panel 30 and is fixed to the extrusion molding portion E by the bar piece 34, the sink can be prevented.

  In addition, since the extrusion molding part E is attached to the retainer 10 (U-shaped cross section) of a normal shape, it is firmly attached without falling into the indoor side. Therefore, by supporting the mold forming part D with the extrusion molding part E through the bar piece 34 together with the function of the clip 32, the mold forming part D can be prevented from falling into the indoor side.

  Moreover, since the rod piece 34 of the outsert panel 30 is inserted through the hollow hole 24 of the extrusion molding part E, the situation where the outsert panel 30 comes off from the fin part 21 can be solved in advance.

  The door weather strip mounting structure according to claim 2 exhibits the same effect as that of the invention according to claims 1 and 2. In addition, since the tip 34t of the bar piece 34 of the outsert panel 30 is a tight insertion portion 35 that is tightly inserted into the hollow hole portion 24 of the extrusion molding portion E, water can be prevented from entering the hollow hole portion 24. be able to. Thereby, sealing performance can be improved.

  The door weather strip mounting structure according to claim 3 exhibits the same effect as that of the invention according to claim 2. Further, since the close-in portion 35 of the bar piece 34 is configured by the protrusion 35a or the foam material 35b, the adhesion to the hollow hole portion 24 can be sufficiently increased, and water can be more reliably prevented.

  The door weather strip mounting structure according to claim 4 exhibits the same effect as that of the invention according to claim 1, 2 or 3. In addition, since the tip 34t of the bar piece 34 of the outsert panel 30 is provided via a step 34a, the step 34a is brought into contact with the periphery of the hollow hole 24 of the extrusion molding part E, so that the bar piece 34 It can be used as a guide for the insertion limit position. Thereby, since the bar piece 34 can be quickly inserted to the predetermined position of the hollow hole part 24, attachment work becomes easy. Further, it is possible to prevent a situation in which the arrangement of the fin portion 21 is deviated from a predetermined position due to excessive insertion of the rod piece 34 or insufficient insertion.

  A door weather strip mounting structure according to the present invention is shown in FIG. 1 and FIGS. This is attached to a door sash 1 of an automobile, and includes a retainer 10, a door weather strip 20, and an outsert panel 30.

  The retainer 10 is formed in the door sash 1 and has a substantially U-shaped cross section at the straight portion, and the corner portion C includes a notch retainer portion 11 having a substantially J-shaped cross section from which the indoor projecting piece 12 is cut off. The door weather strip 20 is composed of a molding part D constituting the corner part C and an extrusion molding part E constituting the straight part, and the molding part D is almost flat for covering the corner part C of the door sash 1. A cylindrical fin portion 21 is installed so as to be integrated. Further, the door weather strip 20 includes an attachment base portion 22 that is assembled to the retainer 10, a hollow seal portion 25 that elastically contacts the body panel 2, and an outer lip 26.

  The outsert panel 30 is disposed on the interior side surface of the fin portion 21, and is engaged with the clip 32 and the fin portion 21 that are engaged with the door sash 1 through a through hole (not shown) formed in the fin portion 21. A locking piece 33 to be stopped is projected.

  Then, the outsert panel 30 is substantially similar to the fin portion 21 and is slightly smaller than the fin portion 21, and from the extrusion molding portion E side of the panel main body 31, the mounting base portion of the mold forming portion D A bar piece 34 that passes through the hollow 23 formed in the attachment base portion 22 of the extrusion molding portion E protrudes from the recess portion 23 formed in the projection portion 34t. When there is a discrepancy between the groove bottom of the recess 23 and the position of the hollow hole 24, a recess is provided on the end surface of the recess 23, and the crank arm 34b is attached to the rod piece 34 so as to match the recess 23a. It is to be provided. Further, the clip 32 is provided at substantially the center of the panel main body 31, and the locking piece 33 is provided at the upper end corner of the panel main body 31 (opposite the bar piece 34).

  Thus, this door weather strip mounting structure fixes the fin portion 21 to the door sash 1 by the clip 32 of the outsert panel 30, and the bar piece 34 passes through the recess 23 and is fixed to the extrusion molding portion E. Therefore, the door weather strip 20 (molded portion D) can be prevented from dropping.

  That is, in the corner portion C, the notch retainer portion 11 (substantially J-shaped) is formed in the retainer 10, so that the door weather strip 20 (molded portion D) is likely to fall into the room side, but the extruded portion E Since it is attached to the retainer 10 (U-shaped cross section) having a normal shape, it is firmly attached without falling into the indoor side. Therefore, since the extrusion molding part E supports the molding part D through the bar piece 34 and the clip 32 is locked to the door sash, the molding part D can be prevented from falling into the indoor side. it can.

  Further, since the rod piece 34 of the outsert panel 30 is inserted into the hollow hole portion 24 of the extrusion molding portion E together with the action of the locking piece 33, the outsert panel 30 is not detached from the fin portion 21. .

Moreover, in this embodiment, the front-end | tip part (tightly-entry part 35) of the bar piece 34 of the outsert panel 30 is provided via the level | step-difference 34a descending toward the front end side, and this level | step difference 34a is extrusion molding part. The insertion limit position of the bar piece 34 is set in contact with the periphery of the E hollow hole 24 (the upper part of the hollow hole 24). Thereby, since the rod piece 34 can always be rapidly inserted into the hollow hole portion 24 to a predetermined depth, the attaching operation is facilitated, and the fin portion 21 can be accurately arranged at a predetermined position.

  In this embodiment, as shown in FIG. 9, by providing a step 34 a, the lower surface of the bar piece 34 and the indoor side surface are brought into elastic contact with the inner surface of the recess 23, whereby the mounting base 22 is attached to the retainer 10. The door weather strip 20 (molded portion D) is more reliably prevented from being pushed outward by being strongly pressed. The depth and direction of the step 34 can be set by the positional relationship between the concave portion 23 of the mold forming portion D and the hollow hole portion 24 of the extrusion forming portion E.

  Furthermore, in the present embodiment, the tip 34t of the bar piece 34 of the outsert panel 30 is used as a tight insertion portion 35 that is closely inserted into the hollow hole portion 24 of the extrusion molding portion E, and water enters the hollow hole portion 24. Is preventing. For example, as shown in FIGS. 6 to 8, the close-in portion 35 can be constituted by arranging a plurality of protrusions 35a having a triangular cross section, and as shown in FIG. 12, a foam material 35b (foam rubber) Etc.). By doing so, the adhesion to the hollow hole portion 24 can be sufficiently increased, so that water can be more reliably prevented from entering.

  As shown in FIG. 11, even when the close-in portion 35 is not formed at the tip 34 t of the bar piece 34, it is possible to prevent the door weather strip 20 from falling by means such as deep insertion into the hollow hole 24. is there. As shown in FIG. 13, the tip 34t of the bar piece 34 can be a straight line that does not form a step, and the close-in part 35 can be formed at the tip 34t.

  The cross-sectional shape of the hollow hole portion 24 is not limited to the illustrated circle or ellipse, but may be a desired shape such as a trapezoid. The cross-sectional shape of the rod piece 34 in the hollow hole portion 24 may be various shapes. Can be selected. FIG. 14 shows a cross-sectional shape of the extrusion-molded portion E provided with the hollow holes 24 having different shapes. According to this, the cross-sectional shape of the tip end portion 34t of the bar piece 34 and the densely packed portion 35 can be selected.

It is a principal part perspective view which shows a motor vehicle provided with a door weather strip attachment structure. FIG. 2 is an enlarged view of a Z portion in FIG. 1, showing a door weather strip mounting structure according to a conventional example. It is a perspective view of the indoor side of the outsert panel used for the attachment structure shown in FIG. FIG. 3 is a sectional view taken along line XX in FIG. 2. It is the YY sectional view taken on the line of FIG. The door weather strip attachment structure which concerns on embodiment of this invention is shown, and it is the Z section enlarged view of FIG. It is a top view of the attachment structure shown in FIG. It is a room side perspective view of the outsert panel of FIG. It is the PP sectional view taken on the line of FIG. It is the QQ sectional view taken on the line of FIG. It is a partially notched front view which shows the other aspect of the outsert panel in this invention. It is a partially notched front view which shows the further another aspect of the outsert panel in this invention. It is a partially notched front view which shows the further another aspect of the outsert panel in this invention. It is sectional drawing of the extrusion molding part which shows the other aspect of the hollow hole part 24. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door sash 2 Body panel 10 Retainer 11 Notch retainer part 12 Indoor side protrusion 20 Door weather strip 21 Fin part 22 Mounting base 23 Recess 23a Recessed part 24 Hollow hole part 25 Hollow seal part 26 Outer lip 30 Outsert panel 31 Panel body 32 Clip 33 Locking piece 34 Bar piece 34a Step 34b Crank-shaped arm part 34t Tip part 35 Close-in part 35a Projection 35b Foam 40 Outsert panel 41 Clip 42 Locking piece C Corner part D Molding part E Extrusion part F Outer Lip scale direction

Claims (4)

  A door weather strip mounting structure that is mounted on a door sash (1) of an automobile, and has a substantially U-shaped cross section formed on the door sash, and an indoor-side protruding piece (12) is cut off at a corner (C). A retainer (10) having a notch retainer portion (11) having a substantially J-shaped cross section, a mold forming portion (D) constituting the corner portion, and an extrusion forming portion (E) constituting a straight portion. A door weatherstrip (20) having a substantially flat fin portion (21) covering the corner portion of the door sash in the molding portion, and disposed on the indoor side surface of the fin portion, and passes through the fin portion and passes through the door sash. And an outsert panel (30) provided with a locking piece (33) to be engaged with the fin part, and the clip of the fin part is attached to the outsert panel. Protection The panel main body (31) that passes through the concave portion (23) formed in the mounting base (22) of the mold forming portion from the extrusion molded portion side of the panel main body, and the tip end portion (34t) A rod piece (34) inserted into a hollow hole portion (24) formed in the mounting base of the molded portion is provided so as to project, and the fin portion is formed by the outsert panel, the door sash and the extrusion molded portion. Door weather strip mounting structure characterized by being fixed to.   The tip part (34t) of the bar piece (34) of the outsert panel (30) is used as a tightly fitting part (35) that is tightly inserted into the hollow hole part (24) of the extruded part, and water is introduced into the hollow hole part. 2. The door weather strip mounting structure according to claim 1, wherein intrusion is prevented.   The door weather strip mounting structure according to claim 2, wherein the close-in portion (35) of the bar piece (34) is constituted by a protrusion (35a) or a foamed material (35b).   The door weather strip mounting structure according to claim 1, 2 or 3, wherein the tip (34t) of the bar piece (34) of the outsert panel (30) is provided via a step (34a).

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