JP4616616B2 - Corner seal mounting structure for door seal parts - Google Patents

Description

  The present invention relates to a corner part mounting structure for sealing parts attached around an automobile door sash, and particularly fits to the inner peripheral side of the door sash in the same manner as the door weather strip fitted and held on the outer peripheral side of the door sash. The present invention relates to a mounting structure at a corner portion of a held door glass run.

As a positioning technique at a corner portion formed by a sash upper side portion and a sash vertical side portion of the door weather strip to be fitted and held on the outer peripheral side of the door sash, for example, as described in Patent Documents 1 and 2, A notch is formed in the retainer portion on the upper side of the sash, while a protrusion having an insert fitting embedded on the base side of the door weather strip that is to be seated on the upper side of the sash is formed, and both of them are engaged in an uneven manner. Thus, there is a configuration in which displacement due to contraction in the longitudinal direction is prevented in advance.
JP 2000-43584 A (FIG. 1) Japanese Patent Laid-Open No. 2002-225569 (FIG. 1)

  In the conventional techniques described in Patent Documents 1 and 2, in addition to the processing of the notch portion on the upper side of the sash, the insert metal fitting embedded in the projection portion is formed when forming the corner mold portion of the door weather strip As a result, the overall cost is inevitably increased. In addition, since the retainer part on the upper side of the sash is partly cut out to form a notch, there is a risk of deterioration in appearance quality, for example, rainwater that has entered the underside of the door weatherstrip from the notch to the passenger compartment There is a possibility of getting inside, and there are still problems in improving water tightness.

  The present invention has been made paying attention to such problems, and provides a corner part mounting structure for door seal parts that can solve the above-mentioned problems at the same time mainly for the purpose of reducing costs. Is.

The invention according to claim 1 includes a door weather strip fitted and held on the outer peripheral side of the door sash and a door glass run fitted and held on the inner peripheral side of the door sash, and an upper side portion of the door sash and the sash a mounting structure in forming a corner portion of the vertical side portion, a window portion for positioning the bottom wall so that the door weatherstrip and door glass run is seated both of the sash upper portion opened is formed, a door glass run At the outer corner of the door, the portion corresponding to the window is formed with a protrusion that protrudes toward the door weather strip while engaging with the window, and at the inner corner of the corner molding portion of the door weather strip. the portion corresponding to the window portion, adjacent to cored-out holes forming a positioning hole for projection fitting therewith while receiving the protruding portion, the door through the window Characterized in that mutually allowed irregularities fitted and Rasuran side of the protrusion and the positioning hole of the door weather strip side.

In this case, in order to improve the holding force in the vertical direction of the door weatherstrip strip, as described in claim 2, the protruding portion should have a tapered shape with a head and accept it. It is desirable to narrow the entrance side of the positioning hole to be narrower than the head and prevent the protrusions and the positioning hole from being fitted with unevenness.

Therefore, in at least the first aspect of the present invention, when the positioning hole on the door weather strip side and the projection on the door glass run side are fitted to each other through the window formed on the upper side of the sash, By the positioning function between the joint portions, the door weather strip is positioned in the longitudinal direction with respect to the upper side portion of the sash. That is, in the first aspect of the present invention, the intended purpose can be achieved only by opening the window portion in the upper side portion of the sash, and it is necessary to form a notch portion in the conventional retainer portion. Otherwise, it is not necessary to embed an insert fitting on the door weather strip side.

According to the invention described in claim 1, a door weather strip for sash upper part simply by fitting irregularities through the window portion formed in the sash upper portion positioning holes of the positioning holes and the door glass run side of the door weather strip side each other Because the positioning function in the longitudinal direction is exhibited, it is not necessary to use a notch and insert fittings together as in the past, and cost can be reduced, as well as rainwater etc. by eliminating the notch as described above It is possible to improve the possibility of intrusion and deterioration of appearance quality.

According to the second aspect of the present invention, since the effect of retaining the projections and the positioning holes is simultaneously achieved, the removal prevention effect is exhibited, which is particularly advantageous in improving the holding force in the vertical direction of the door weather strip. Become.

  1 to 3 are views showing a more specific embodiment of a corner portion mounting structure according to the present invention, and FIG. 1 is a schematic perspective view of a front door of an automobile as viewed from the vehicle interior side. 2 is an exploded perspective view showing a relative positional relationship between the door weather strip and the door glass run at the Q portion of FIG. 1, that is, the rear corner portion 2C of the door sash, and FIGS. 3 and 4 are taken along line AA of FIG. The expanded sectional view which follows is shown, respectively.

  As shown in FIG. 3 in addition to FIGS. 1 and 2, the cross-sectional shape of the glass run housing space 3 having a substantially U-shaped cross section on the inner periphery of the door sash 2 in the door 1 extends over the front and rear lower sashes 4 and 5. A door glass run 6 having a substantially U-shape is fitted and held, while a door weather strip 8 is arranged in a closed loop on the outer peripheral side of the door sash 2 so as to include the periphery of the door body 7. As shown in FIG. 3, the door sash 2 has a glass run storage space 3 for receiving the door glass run 6, a retainer portion 9 and a bead portion 10 for fitting and holding the door weather strip 8. Are formed along the longitudinal direction, and the rear corner portion of the door sash 2, that is, the portion where the door glass run 6 and the door weather strip 8 are both seated and function as the bottom wall portion, and the sash upper side portion 2A. A rectangular window portion 11 for positioning the door glass run 6 and the door weather strip 8 is provided at the corner portion on the sash upper side 2A side of the rear corner portion 2C formed by the sash vertical side portion 2B. An opening is formed. As is clear from comparison between FIGS. 3 and 4, in FIG. 4, the sectional shape of the door sash shown in FIG. 3 is simplified.

  The door weather strip 8 includes a base 12 and a hollow seal lip 13 and a tongue-like panel seal lip 14 integrally projecting from the base 12, and in particular the door sash 2. On the other hand, as shown in FIGS. 3 and 4, the base portion 12 is firmly fitted and held by being seated while being press-fitted between the retainer portion 9 and the bead portion 10. When the door is closed, each of the seal lip 13 and the panel seal lip 14 is elastically contacted with the peripheral edge of the door opening on the vehicle body side, thereby substantially sealing with a double seal structure.

  Here, the portion corresponding to the rear corner 2C of the door weather strip 8 in the door weather strip 8 is formed by the extrusion molding method for the other general portions 8A and 8B, whereas only the portion is a corner. The mold forming portion 8C is formed by a mold forming method using a core together. That is, the general portions 8A and 8B are both formed by extrusion molding with a uniform cross-sectional shape, whereas the corner mold formed portion 8C has a joining line 15 to connect both the general portions 8A and 8B. Is formed by a mold forming method.

  Such a molding method is basically the same for the door glass run 6 side, and a portion corresponding to the rear corner portion 2C of the door sash 2 in the door glass run 6 is molded as a corner mold forming portion 6C. Molded by the method.

  The portion corresponding to the base portion 12 to be seated on the sash upper side portion 2A in the regular mounting state as shown in FIGS. 2 and 4 in the corner mold forming portion 8C of the door weather strip 8, that is, the inner corner of the corner mold forming portion 8C. In the portion corresponding to the window portion 11 on the sash upper side 2C side, a positioning hole 16 having substantially the same shape as the window portion 11 is formed. The positioning hole 16 is a bottomed square hole having an opening only on the seating surface side on the sash upper side 2A side. Moreover, the code | symbol 17 in the figure is a core punching hole. The core hole 17 is partially narrowed as indicated by the alternate long and short dash line, thereby maintaining the mounting state of the door weather strip 8.

  On the other hand, a portion of the corner mold forming portion 6C of the door glass run 6 that is to be seated on the sash upper side portion 2A in a regular mounting state as shown in FIGS. 2 and 4, that is, an outer corner portion of the corner mold forming portion 6C. In a portion corresponding to the window portion 11 on the upper side 2A side, a rectangular projection 18 having a size that can fit in the window portion 11 is formed.

  Therefore, when the door glass run 6 and the door weather strip 8 are properly assembled to the door 1 as shown in FIGS. 2 and 4, the projection 18 on the door glass run 6 side seated on the inner peripheral side of the door sash 2 is provided. While projecting to the door weather strip 8 side while engaging with the window portion 11, the projection 18 is received in the positioning hole 16 of the door weather strip 8 seated on the outer peripheral side of the door sash 2 and is uneven. It is mated.

  According to such a structure, for example, when the door weather strip 8 tends to be displaced along the sash upper side portion 2A due to shrinkage or the like, the positioning hole 16 on the door weather strip 8 side and the protrusion on the door glass run 6 side. For the concave and convex fitting with 18, the vertical wall surface of the positioning hole 16 and the vertical wall surface of the protrusion 18 are in contact with each other, and the protrusion 18 is engaged with the window 11 of the sash upper side 2 </ b> A. Therefore, the positional deviation of the door weather strip 8 is prevented.

  Further, it is not necessary to cut out part of the retainer portion 9 as in the prior art, and the continuity of the retainer portion 9 is ensured. Therefore, the appearance quality is improved without causing deterioration in appearance, and the retainer portion 9 is also improved. This so-called damming effect prevents rainwater and the like from entering the passenger compartment.

  FIG. 5 shows a second embodiment of the present invention.

  In the second embodiment, the protrusion 28 formed on the door glass run 6 side is formed as a so-called tapered shape with a head portion 28a formed at the tip, whereas it is formed on the door weather strip 8 side. The opening area on the entrance side of the positioning hole 26 is narrower than that of the rear side and the head portion 28a of the projection 28.

  According to this structure, in addition to the same effect as the first embodiment, the fitting holding force based on the concave / convex fitting between the positioning hole 26 and the projection 28 is increased, and the door weather particularly in the vertical direction Since the holding force of the strip 8 is improved, the door weather strip 8 is more difficult to come off from the sash upper side 2A.

The perspective view which looked at the door of the front side of the motor vehicle from the vehicle interior side. It is a figure which shows more concrete embodiment of this invention, and is a disassembled perspective view of the Q section of FIG. The expanded sectional view of only the door sash along the AA line of FIG. It is sectional drawing which follows the AA line of FIG. 2, Comprising: The expanded sectional view of the door sash containing a door glass run and a door weather strip. It is a figure which shows the 2nd Embodiment of this invention, Comprising: The expanded sectional view equivalent to the AA line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Door 2 ... Door sash 2A ... Sash upper side part 2B ... Sash vertical side part 2C ... Rear corner part 6 ... Door glass run
7 ... Core hole 6C ... Corner mold forming part 8 ... Door weather strip 8C ... Corner mold forming part 11 ... Window part 16 ... Positioning hole 18 ... Projection part 26 ... Positioning hole 28a ... Head
28 ... Protrusions

Claims (2)

A door weather strip fitted and held on the outer peripheral side of the door sash and a door glass run fitted and held on the inner peripheral side of the door sash, and at the corner formed by the upper side of the door sash and the vertical side of the sash The mounting structure of
In the upper side of the sash, a positioning window is formed in the bottom wall where the door weather strip and the door glass run will be seated together,
At the outer corner portion of the door glass run, a portion corresponding to the window portion is formed with a protrusion protruding to the door weather strip side while engaging with the window portion,
In a portion corresponding to the window portion at the inner corner portion of the corner mold forming portion in the door weather strip, a positioning hole is formed adjacent to the core punching hole to receive the projection portion and fit with the projection portion.
Corner mounting structure of the door seal parts, characterized in that the positioning hole of the protruding portion of the door glass run side and the door weather strip side so mutually uneven fitted through the window. The protrusion is of a tapered shape with a head, and the inlet side of the positioning hole to be received is narrower than the head, and the protrusion and recess are fitted to the protrusion and recess. 2. The corner part mounting structure for door seal parts according to claim 1, wherein a retaining part is provided .

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