JP5100478B2 - Weatherstrip molding part mounting structure - Google Patents

Description

  The present invention relates to a structure for mounting a molded portion of a weather strip to be mounted on a corner portion of a sash door of an automobile.

  As shown in FIG. 1, a weather strip attached to a sash door of an automobile has a portion that is attached to a corner portion of a sash door 1 as a normal mold portion 2, and most of the weather strip is a mold portion 2 as shown in the figure. Are attached to the corner portion of the sash door 1 with clips or screws 3. In the drawing, the side of the triangular mark that is blacked out shows the molded part, and the side of the non-painted part shows the extruded part. The same applies to the following drawings.

At the time of screwing, the mold forming part 2 tends to be rotated and wrinkled or deformed. Patent Document 1 listed below discloses a weatherstrip mold-molding portion mounting structure that prevents rotation when screwing. FIG. 2 shows an attachment structure of the weatherstrip mold forming part 4 shown in FIG. 3 disclosed in this document. The plate 5 attached to the mold forming part 4 has a flange portion on the surface facing the sash 6. A ring-shaped portion 9 having a circular cross section in which a notch groove 8 is formed in 7 protrudes. A short cylindrical locking projection 14 having a claw 13 that fits into the ring-shaped portion 9 and that fits into the notch groove 8 is attached to the outer periphery of the ring-shaped portion 9. After engaging the ring-shaped portion 9 of the plate 5 with the locking protrusion 14 protruding through 12 and the claw 13 with the notch groove 8, the locking protrusion 14 is inserted through the hole 16 formed in the plate 5. As done by screwing into Going on. In the figure, 17 is a body.
JP 2005-255031 A

  2, the notch groove 8 of the flange portion 7 of the ring-shaped portion 9 protruding from the plate 5 is fitted with the claw 13 of the locking protrusion 14 attached to the garnish 11. This prevents the plate 5 and the mold forming part 4 from being rotated when the screw 15 is screwed in, but the notch groove 8 is fitted into the claw 13 with a gap 16 as shown in FIG. Therefore, when the screw 15 is screwed in, the plate 5 slightly rotates within the gap 16. If the claw 13 is fitted in the notch groove 8 without a gap, the weatherstrip mold forming portion 4 can be fixed in a normal position without causing the accompanying rotation when the screw 15 is screwed. In addition, it becomes difficult to fit the notch groove 8 to the claw 13, and accuracy is required for the notch groove 8 and the claw 13, resulting in a problem that the notch groove cannot be fitted to the claw due to processing variations.

  The present invention makes it easy to fit the notch groove into the nail even if the notch groove or the nail has a variation in processing, and causes rotation when the screw is screwed in and fixed. It is intended to provide a weatherstrip mold part mounting structure.

The invention according to claim 1 is an attachment structure of a molded part 4 of a weather strip attached to a corner part of a sash door of an automobile, and is a locking member integrally formed with a plate 5 attached to the molded part 4 21, attached to the exterior material 11 of the sash 6 or the sash 6, the engaged member 27 fitted into fitting or the outer pushed by the locking member 21, the engaged member 27 in the locking member 21 The locking member 21 includes a screw 15 that is screwed into the locking member 21 or the locked member 27 in an internally fitted state or an externally fitted state, and fastens the locking member 21 or the locked member 27. In the mounting structure in which the claw 28 is formed on one of the engaged members 27 and the notch groove 25 is formed in which the claw 28 is pressed and fitted to the other, the claw 28 is tapered. the claw 2 of notched groove 25 is the thickness of the tip There characterized is the small than the width of the open end dividing, and the thickness of the pawl rear end is formed larger than the width of the open end of the notched groove 25 against.

The invention according to claim 2 is the invention according to claim 1, wherein the tip of one of the locking member 21 and the locked member 27 is formed in a ring shape and has a trapezoidal concave cross section. The other member provided with the location 22 is formed smaller than the inner diameter of the open end that is the entrance of the recess 22 and larger than the inner diameter of the bottom of the recess 22 .

  According to the first aspect of the present invention, since the claw is formed with a tip smaller than the groove width of the opening end of the notch groove and there is play, the claw or the notch groove has a processing variation in the range of play. Even if it exists, it becomes possible to fit into the notch groove, so that the processing accuracy of the claw or notch groove is eased, and the above play allows the notch groove or the notch groove to be positioned accurately without positioning. The claw can be fitted and can be easily fitted, and by screwing in the claw, the claw can be fitted into the notch groove without any gaps by the rear end of the claw having a large thickness to prevent rotation. It is possible to prevent the plate and the molded part from being rotated when the screw is screwed in. As a result, the molded part can be mounted without wrinkles or deformation. There are effects such as.

  According to the invention of claim 2, the tip of the locking member or the locked member is smaller than the inner diameter of the opening end of the ring-shaped locked member or the locking member, and there is play. Even if there is a variation in processing between the two, it is possible to fit both of them, the processing accuracy is relaxed, and even if the locking member or the locked member is not accurately positioned by the play, both The mounting position of the plate and the molded part can be positioned by screwing the screws and fitting them together without any gaps, so that the molded part can be mounted without causing misalignment. There are effects such as being able to.

  Hereinafter, an example in which the present invention is applied to the mounting structure of the molded part shown in FIGS. 1 to 3 will be described with reference to the drawings. In the figure, the same components as those shown in FIGS.

  FIG. 5 shows a schematic cross section of the mounting structure of the molded part 4, FIG. 6 shows a cross section taken along line AA in FIG. 5, and FIG. 7 shows a cross section taken along line BB.

  The plate 5 is made of hard resin such as polypropylene or metal, and is externally attached after the molding part 4 is molded, or is inserted when the molding part 4 is molded.

  As shown in FIG. 8, the ring-shaped portion 21 as a locking member has a circular cross section, and has a trapezoidal recess 22 in the vertical cross section as shown in FIG. 6, and a screw is passed through the bottom of the recess 22. A hole 16 is provided, is integrally formed with the plate 5 and protrudes toward the sash 6. As shown in FIG. 8, the flange portion 24 is formed with three notched grooves 25 at equal intervals in the circumferential direction. In the example shown in the figure, the notch grooves 25 are formed at three locations at equal intervals in the circumferential direction, but may be formed at one location, or may be formed at two or four locations, Moreover, when forming two or more, it does not need to be formed in the circumferential direction at equal intervals.

A locking protrusion 27 as a locked member that is attached to or integrally formed with the garnish 11 of the exterior material and that the ring-shaped portion 21 is fitted through the hole 12 formed in the sash 6 has a trapezoidal shape with a tapered longitudinal section. The tip is smaller than the maximum inner diameter of the open end (entrance) of the recess 22, slightly larger than the minimum inner diameter of the recess bottom, and the base of the locking projection 27 is slightly smaller than the maximum inner diameter of the recess open end. When the latching protrusion 27 is fitted in the recess 22, δ ₁ wraps (FIG. 6).

The claw 28 protruding on the outer periphery of the locking protrusion 27 corresponding to the notch groove 25 extends continuously in the protruding direction of the locking protrusion 27 at three positions on the outer periphery of the locking protrusion 27 at equal intervals in the circumferential direction. Formed. At least one of the claws 28 has a trapezoidal shape with a tapered longitudinal section, the tip thickness x is smaller than the groove width of the notch groove 25, and the base thickness X is slightly larger than the groove width of the notch groove 25. is formed larger, the notched groove 25 when fitted to the pawl 28, so as to [delta] ₂ wrap (Fig. 7). The recess 22 formed in the ring-shaped portion 21 described above has a trapezoidal vertical cross section, and the tip and the base have different inner diameters, but the inner diameter can also be formed uniformly. Further, the notch groove 25 may have a uniform groove width at the groove opening end and groove width at the groove bottom as in the case of the recess 22 (FIG. 7), but the longitudinal section is trapezoidal as shown in FIG. It can also be formed such that the groove width Y at the open end is larger than the groove width y at the groove bottom. By setting Y ≧ y, further x ≧ y, and X ≧ Y, the notch groove 25 and the claw 28 can be easily removed, and the cross-sectional shape of the claw 28 is at least as shown in FIGS. By assembling one piece into a trapezoidal shape or tapering it into an arc shape, the assembling property of the notch groove 25 and the claw 28 is improved.

  The mounting structure of the present embodiment is configured as described above, and mounting of the molded part 4 to the sash 6 is performed as follows.

  In a state where the garnish 11 is attached to the sash 6 and the locking projection 27 is attached through the rectangular hole 12 formed in the sash 6, the ring-shaped portion 21 of the plate 5 attached to the mold forming portion 4 projects from the sash 6. The claws 28 are pressed into the notch grooves 25 from the inside of the vehicle and pressed into the stop projections 27 to be engaged. Next, a screw is inserted from the hole 16 formed in the ring-shaped portion 21 from the outside of the plate 5 and screwed into the locking projection 27 to be fixed.

  According to the present embodiment, the inner diameter of the open end of the recess 22 of the ring-shaped portion 21 is larger than the outer diameter of the tip of the locking projection 27, and the groove width of the notch groove 25 is the tip of the locking projection 27. Since it is larger than the width, it can be easily fitted, and can be fitted even if there is some variation in manufacturing, and the ring-shaped portion 21 is pressed firmly into the locking projection 27 and brought into close contact The positioning of the plate 5 and the molding part to which the plate 5 is attached is performed, and there is no positional deviation at the time of attachment, and the claw 28 is closely attached to the notch groove 25 to prevent rotation. Since the rotation of the plate 5 and the molded part 4 is prevented when the screw 15 is screwed in, there are effects that the molded part 4 is not deformed and wrinkles are not formed.

  In the embodiment described above, the locking projection 27 is attached to or integrally formed with the garnish 11, but may be attached to the sash.

  In the above-described embodiment, the locking projection 27 formed on the garnish 11 is fitted into the ring-shaped portion 21 formed on the plate 5. The ring-shaped portion 21 is fitted in the recess inside, and a notch groove 25 is formed in the locking projection 27 or a flange formed on the locking projection 27 to fit in the groove 25. A mating claw 28 may be formed on the ring-shaped portion 21.

  Further, the flange portion 24 in the above embodiment may be omitted, and the notch groove may be directly formed in the ring-shaped portion 21.

  The ring-shaped portion 21 in the embodiment may be provided on the garnish 11 or the sash 6 instead of being provided on the plate 5, and the locking protrusion 27 may be formed on the plate 5 instead of being formed on the garnish 11.

  The present invention can be applied to a mounting structure where the molded part is screwed to the sash, such as a part of the front door 31 and b part and c part of the rear door 32 shown in FIG.

Schematic of the molded part of the weather strip attached to the corner part of a sash door. The perspective view of a weather strip. The longitudinal cross-sectional view of the attachment structure which attached the shaping | molding part of the weather strip shown in FIG. 2 to the sash. The figure which shows the state which made the nail | claw fit in the notch groove. The cross-sectional view of the mounting structure according to the present invention. The expanded longitudinal cross-sectional view in the AA line of FIG. FIG. 6 is a schematic longitudinal sectional view taken along line BB in FIG. 5. The top view of the ring-shaped part integrally formed in the plate. The perspective view of a latching protrusion. The longitudinal cross-sectional view of a ring-shaped part. The cross-sectional view of the latching protrusion provided with the nail | claw of another form. Furthermore, the cross-sectional view of the latching protrusion provided with the nail | claw of another form. The cross-sectional view of the latching protrusion provided with the nail | claw of another form. The schematic side view of the door for motor vehicles.

Explanation of symbols

··· Molding part 5 · · Plate 6 · · Sash 16 · · Hole 21 · · Ring portion 22 · · Recess 24 · · Flange portion 25 · · Notch groove 27 · · Locking projection 28 · · Claw 31. Front door 32 Rear door

Claims (2)

A structure for attaching a molded part 4 of a weather strip attached to a corner part of a sash door of an automobile, and a locking member 21 formed integrally with a plate 5 attached to the molded part 4, and the sash 6 or the sash attached to the exterior material 11 6, and engaged member 27 fitted into fitting or the outer pushed by the locking member 21, the inner fitting or externally fitted so the engaged member 27 in the locking member 21 state The screw 15 is screwed into the locking member 21 or the locked member 27 and fastens the locking member 21 or the locked member 27. In the mounting structure in which the nail 28 is formed on one side and the notch groove 25 is formed in which the nail 28 is pressed and fitted on the other side, the nail 28 has a tapered shape, and the thickness of the tip thereof is the notch groove. open end dividing the count on said pawl 28 of 25 Mounting structure, characterized in that the smaller than the groove width, and the thickness of the pawl rear end is formed larger than the width of the open end of the notched groove 25. The front end of one of the locking member 21 and the locked member 27 is an entrance of the recess 22 of the other member that is formed in a ring shape and has a trapezoidal recess 22 in the longitudinal section. The mounting structure according to claim 1, wherein the mounting structure is formed smaller than an inner diameter of a certain opening end and larger than an inner diameter of a bottom of the recess 22 .

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