JP2006117132A - Corner part fixing structure for door glass run - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure realizing enhancement of sealing property by preventing falling down or escaping of a side wall part of a door glass run stored in a lower sash to an inner side while positioning the lower sash and the door glass run in the door glass run at a corner part formed by an upper side part of the sash and the lower sash. <P>SOLUTION: A notch groove 11 is formed on an upper end part 3a of the side wall part 10 of the lower sash 3 inserted to an upper piece part of the sash, a rivet-like projection 12 is integrally formed on a side wall part of a corner die molding part 4C of the door glass run 4 and both are engaged with each other. A rear end edge of a door mirror cover is abutted on a rear end edge of the side wall part 9 and falling down or escaping of the side wall part 9 to the inner side is restricted to previously prevent generation of wind noise. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass runner corner fixing structure in an automobile door, and more particularly to a door glass run fixing structure in a corner portion of a door sash formed by an upper sash portion and a lower sash.

  As a structure for fixing a corner portion of a door glass run at a front door of an automobile, particularly a portion corresponding to a door mirror mounting position, for example, one disclosed in Patent Document 1 has been proposed. In this conventional technique, a concave portion is formed on the outer surface of the side wall portion at the corner portion of the door glass run, while a convex portion corresponding to the concave portion is provided on the lower sash side that will receive the door glass run. The relative positioning of the door glass run and the sash side is performed by the engagement. Although not disclosed in the above-mentioned Patent Document 1, in many cases, a corner outer cover such as a door mirror cover is provided from the outside in order to conceal the door glass run or the lower sash including the concave and convex engaging portion and to provide design. At the same time, the edge of the corner outer cover and the outer surface of the side wall of the door glass run are in contact with each other to seal between them.

Further, Patent Document 2 discloses an equivalent technique in a portion corresponding to a corner piece of a rear door, although it is not a portion corresponding to a door mirror mounting position of the front door.
Japanese Patent Laid-Open No. 11-342749 (FIG. 2) JP 2000-85372 A (FIG. 6)

  However, in the fixing structure based on the concave-convex engagement as described above, even if the relative positioning of the lower sash and the door glass run can be performed, the side wall portion of the door glass run that is received by the lower sash has fallen inward or There is no function to regulate escape, that is, the side wall portion located outside the vehicle compartment of the door glass run to the inside of the vehicle compartment or escape, so the side wall portion and the corner outer cover There is a possibility that the contact state (adhesion state) will deteriorate and the sealing performance between the two will deteriorate. This deterioration of the sealing performance causes wind noise especially when the vehicle is running, and there is still room for improvement in terms of improving quietness.

  The present invention has been made paying attention to such a problem, and in particular, with respect to the door glass run at the corner portion formed by the upper side of the door sash and the lower sash, while performing relative positioning of the lower sash and the door glass run, It is intended to provide a structure that improves the sealing performance by preventing inward collapse or escape of the side wall portion of the received door glass run.

The invention according to claim 1 is a fixing structure at a corner portion formed by the upper side portion of the sash and the lower sash in the door glass run fitted and held in the door sash,
A projection for controlling the positioning of the door glass run relative to the door sash is formed on a portion of the side wall portion outside the passenger compartment of the door glass run that is fitted and held at the upper end of the lower sash, and the projection is formed on the upper end of the lower sash. A corresponding groove portion is formed, and the protrusion portion and the groove portion are engaged with each other to position the door glass run relative to the door sash at least in the vertical direction and the vehicle width direction, and then the sash upper side portion, the lower sash, and the door waist portion The rear end portion of the corner outer cover disposed across the three sides is brought into contact with the rear edge of the side wall portion of the door glass run outside the passenger compartment.

  More specifically, as described in claim 2, the side wall portion of the lower sash having a substantially U-shaped cross section to receive the door glass run is directed in the same direction as the opening direction of the U-shaped space. In addition to forming a notch groove with an open end, the protrusion on the side wall side of the door glass run is formed as a rivet, and the neck of the protrusion is received in the notch groove so that the door glass run against the door sash It is desirable that positioning is performed in the vertical direction and the vehicle width direction.

  Further, in order to enhance the effect of preventing the door glass run from falling off the lower sash, as described in claim 3, the opening width of the tip of the notch groove is preferably set smaller than the diameter of the neck portion of the protrusion. desirable.

  Therefore, in at least the first aspect of the present invention, the relative positioning effect of the door grass run in at least the vertical direction and the vehicle width direction with respect to the door sash due to the engagement between the protrusion on the door glass run side and the cutout groove on the lower sash side. Is demonstrated. Therefore, the inwardly falling or escape of the side wall portion of the door glass run received in the lower sash is prevented, and the contact state between the side wall portion of the door glass run outside the vehicle compartment and the corner outer cover is stabilized. Can be maintained.

  According to the first aspect of the present invention, since the contact state between the side wall portion of the door glass run outside the passenger compartment and the corner outer cover can be stably maintained, there is no deterioration in sealing performance as in the prior art. In particular, it is possible to prevent wind noise from being generated when the vehicle is traveling, thereby contributing to improvement in quietness.

  According to the second aspect of the present invention, the engagement between the lower sash and the side wall portion of the door glass run is the engagement between the notch groove whose front end is opened rearward and the rivet-shaped projection. There is an advantage that the notch groove and the projection can be engaged simultaneously when the door glass run is fitted to the lower sash.

  According to the invention described in claim 3, since the opening width of the tip of the notch groove is set smaller than the diameter of the neck portion of the projection, there is an advantage that the positional deviation or dropout of the door glass run with respect to the lower sash can be surely prevented. is there.

  1 and the following drawings show a more specific embodiment of the corner glass fixing structure of a door glass run according to the present invention, in particular, FIG. 1 is a perspective view of the vicinity of a door mirror mounting position of an automobile, and FIG. 2 is a door of FIG. FIG. 3 shows a state where the door glass run 4 is removed from the upper sash 2 of the sash 1 together with the lower sash 3, and FIG. 3 further shows a state where the door glass run 4 is removed from the lower sash 3 of FIG.

  As shown in FIGS. 1 and 2, the door sash 1 is connected so that the upper end 3a of the lower sash 3 is inserted into the U-shaped space 2a of the upper sash 2 of the door sash. In addition, a door glass run 4 having a substantially U-shaped cross section is fitted and held so as to straddle the upper side 2 and the lower sash 3 of the sash. The door glass run 4 is formed as a single continuous portion with the general portions 4A and 4B and the corner-shaped molded portion 4C in which the general portions 4A and 4B are connected to each other by the connecting portion 5. The door glass G is received as shown in FIG.

  As is apparent from FIG. 1, a door mirror cover 7 as a corner outer cover is mounted together with the door mirror body 8 at the corner portion formed by the sash upper side portion 2, the lower sash 3 and the door waist portion 6. 5, the rear end edge 7a of the door mirror cover 7 is brought into contact with the outer surface of the side wall 9 of the general part 4B of the door glass run 4 and the corner-shaped molded part 4C and the rear edge thereof. The space between the door glass run 4 and the door mirror cover 7 is sealed in a contact state.

  Here, as shown in FIGS. 2 and 3, the lower sash 3 is set so that the U-shaped space is directed to the vehicle rear side, and is an upper end portion 3a of the lower sash 3 and a side wall portion outside the vehicle compartment. 10 is formed with a notch groove 11 whose tip is open toward the vehicle rear side. On the other hand, a protruding portion 12 is integrally formed on the side wall portion 9 outside the passenger compartment of the corner mold forming portion 4C of the door glass run 4, and the cutout groove 11 and the protruding portion 12 are formed as shown in FIGS. The lower sash 3 and the door glass run 4 are positioned relative to each other.

  More specifically, as shown in FIGS. 3 to 5, the projecting portion 12 is formed as a so-called rivet shape having a flat head portion 13 and a neck portion 14, and the U-shaped space of the lower sash 3. In order to receive the door glass run 4, when the door glass run 4 is fitted and held in the lower sash 3, the neck portion 14 of the protrusion 12 is inserted into the notch groove 11 on the lower sash 3 side, so that both are positioned relative to each other. ing.

  That is, the lower sash 3 and the door glass run 4 are positioned in the vertical and front-rear directions and relative to each other in the vehicle width direction so as to be engaged with the lower sash 3 so as to be engaged with the lower sash 3. In the door glass run 4, the side wall portion 9 outside the passenger compartment is restricted from falling or escaping toward the passenger compartment side.

  Therefore, according to such a structure, as shown in FIGS. 4 and 5, the rear end edge 7 a of the door mirror cover 7 is always brought into contact with the end edge of the door glass run 4 for the engagement between the notch groove 11 and the protrusion 12. Since they are in contact with each other and the contact state can be stably maintained, the sealing performance of the two is improved, and in particular, the generation of wind noise during the traveling of the vehicle is prevented, thereby improving quietness. You can contribute.

  Here, as a notch groove formed on the lower sash 3 side, instead of the notch groove 11 shown in FIG. 3, as shown in FIG. By setting the diameter smaller than the diameter of the neck portion 14, once the neck portion 14 of the projection 12 is engaged with the notch groove 21, it becomes very difficult to come off, and the position of the door glass run 4 relative to the lower sash 3 is shifted. And can be reliably prevented.

  Moreover, in the said embodiment, although the example in the case of contact | abutting the rear-end edge 7a of the door mirror cover 7 to a door glass run was shown, when a door mirror is directly attached to a door panel, or when an outside mirror is what is called a fender mirror type. In this case, a corner outer cover is mounted instead of the door mirror cover, and it goes without saying that the present invention can be applied to such a case.

The perspective view near the door mirror attachment position of a motor vehicle. The disassembled perspective view which shows the state which removed the door glass run with the lower sash from the sash upper side part of the door sash of FIG. FIG. 3 is an exploded perspective view showing the interrelationship between the upper side of the sash, the lower sash, and the door glass run in FIG. 2 as a specific embodiment of the present invention. Cross-sectional explanatory drawing which follows the AA line of FIG. Cross-sectional explanatory drawing which follows the BB line of FIG. The principal part perspective view of the lower sash which shows another embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Door sash 2 ... Sash upper side part 3 ... Lower sash 3a ... Upper end part 4 ... Door glass run 4A, 4B ... General part 4C ... Corner type molding part 7 ... Door mirror cover (corner outer cover)
7a ... Rear edge 9 ... Side wall part 10 ... Side wall part 11 ... Notch groove 12 ... Protrusion part 13 ... Head 14 ... Neck part 21 ... Notch groove

Claims (3)

Of the door glass run fitted and held in the door sash, it is a fixed structure at the corner part formed by the upper side of the sash and the lower sash,
In the side wall portion outside the passenger compartment of the door glass run, a protrusion that controls the positioning of the door glass run relative to the door sash is formed on the portion fitted and held at the upper end of the lower sash,
Form a groove corresponding to the protrusion on the upper end of the lower sash,
After engaging the projection and the groove and positioning at least the vertical direction and the vehicle width direction of the door glass run with respect to the door sash,
The rear end portion of the corner outer cover disposed across the three sides of the upper side portion of the sash, the lower sash and the door waist portion is brought into contact with the rear edge of the side wall portion of the door glass run outside the vehicle compartment. The corner glass fixing structure of the door glass run. In the side wall portion of the lower sash formed in a substantially U-shaped cross section to receive the door glass run, a notch groove whose tip is opened in the same direction as the opening direction of the U-shaped space is formed,
Form the protrusion on the side wall side of the door glass run as a rivet-shaped one,
The door glass run according to claim 1, wherein the door glass run is positioned relative to the door sash in the vertical direction and the vehicle width direction by receiving the neck portion of the protrusion in the cutout groove. Corner fixing structure.   The door glass run corner fixing structure according to claim 2, wherein the opening width of the tip of the notch groove is set smaller than the diameter of the neck of the protrusion.

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