JP2015229356A - Glass run fitting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate such problems that apertures generate by uplifting of the top of design lip from an outer panel of a door; wind and rain blow in from the apertures while moving; and a fluttering sound generates by a wind noise or flutter of the design lip when a door glass is misaligned to a vehicle outside from a normal position in a glass run fitting structure composed so that a glass run is fitted to a holder having a substantially horseshoe cross section and the design lip of the glass run is overlaid on the aperture between the holder and the outer panel along the vehicle outer wall part of the holder to reach the outer panel.SOLUTION: A protrusion 32 is formed so as to protrude toward an outer seal lip 7 at the end of a vehicle outside wall 2 of a glass run 31. A glass run fitting structure is composed so as to let a design lip 6 drop at a breakpoint (a) corresponding to a flange-like vehicle outside end 5e of a holder 5 with a pressing force acting on the protrusion 32 when closing a door glass 12, and to press the top of the design lip against an outer panel 13.

Description

  The present invention relates to a glass run mounting structure for a vehicle.

  FIG. 1 shows an example of a conventional glass run mounting structure in the cross section taken along the line AA on the center pillar side of the window frame in the rear door 34 of the vehicle shown in FIG. 5. The glass run 1 is made of rubber such as EPDM or thermoplastic. It is made of an elastomer and is formed by extrusion molding. The structure is composed of a basic form of a vehicle outer side wall 2, a vehicle inner side wall 3, and bottom walls 4 connecting both side walls 2 and 3, and includes a glass run 1 of a door window frame. The outer side wall 2 has a design lip 6 extending outward from the side wall and an outer seal lip 7 extending obliquely inward toward the bottom wall 4. The vehicle inner side wall 3 has a cover lip 9 extending toward the vehicle inner side at the side wall end and an inner seal lip 11 extending obliquely inward toward the bottom wall 4. The outer seal lip 7 and the inner seal lip 11 are adapted to be elastically contacted to the side edge of the door glass 12 from the inside and outside.

The holder 5 to which the glass run 1 is attached is made of a metal such as steel, and includes a vehicle outer wall portion 5a, a vehicle inner wall portion 5b, and a bottom wall portion 5c that connects both wall portions 5a and 5b. None, the vehicle outer wall portion 5a is overlapped and fixed to the holder mounting portion of the outer panel 13 by welding or the like, and the vehicle inner wall portion 5b is overlapped to the holder mounting portion of the inner panel 8 and fixed by welding or the like. ing.
The design lip 6 of the glass run 1 covers the holder mounting portion of the outer panel 13, and the tip of the lip hits the inclined portion 13 a that is inclined toward the vehicle outer side of the outer panel 13.

  The glass run 1 also has locking portions 14 and 15 that protrude from the both ends of the bottom wall toward the vehicle outer side and the vehicle inner side, and the former locking portion 14 is formed to protrude inwardly on the vehicle outer wall portion 5 a of the holder 5. On the other hand, the latter locking portion 15 is locked to the protruding portion 5e that is also formed to protrude inwardly on the vehicle interior side wall portion 5b of the holder 5 so as to prevent the glass run 1 from coming off. .

  FIG. 2 shows another example of a conventional glass run mounting structure. The holder mounting portion of the outer panel 13 superimposed on the inner wall portion 5a of the holder 5 wraps the wall end of the inner wall portion 5a of the holder 5. 1 is the same as the mounting structure of the glass run 1 shown in FIG. 1 except that the short design lip 19 of the glass run 18 covers the outer panel end 13b.

  The glass run also has a convex portion on the side wall to suppress a collision sound (rattle sound) generated when the tip of the seal lip collides with the side wall of the glass run due to vibration of the door glass, and the seal lip hits the convex portion, There is also known one in which the tip of the seal lip does not hit the side wall (Patent Document 1).

Patent No. 3931023

  In the mounting structure of the glass run 1 shown in FIG. 1, when the door glass is closed, when the door glass 12 is closed, the door glass 12 is shifted from the normal position indicated by the solid line in FIG. The outer lip 7 that comes into contact with or starts to contact the door glass 12 extends toward the bottom wall side while being pushed into the side wall side of the glass run 1, thereby raising the design lip 6, and the tip portion thereof is a one-dot chain line in the figure. As shown in the figure, a gap is generated by so-called floating away from the outer panel 13, and wind and rain are blown from this gap during traveling, or a wind noise and a chatter noise caused by fluttering of the design lip 6 are generated. Cause problems.

  Such a problem is not limited to the glass run attachment structure shown in FIG. 1, but, for example, as seen in the glass run attachment structure shown in FIG. 2, the design lip 19 has a type in which the tip of the design lip 19 covers the outer panel end 13b. Is a type along the vehicle exterior wall surface of the mounting portion where the glass run is attached to the holder or the like, regardless of the configuration of the glass run mounting portion, including the presence or absence of the outer panel, and this type of glass run mounting structure generally occurs, As seen in the mounting structure of the glass run 18 shown in FIG. 2, in the type in which the tip of the design lip covers the vehicle outer side wall portion of the glass run mounting portion, in addition to the above-described problems, the design lip 19 is provided on the outer panel 13. There also arises an appearance problem due to a gap generated by floating from the panel end 13b.

  An object of the present invention is to provide a glass run mounting structure for solving the above-mentioned problem caused by a design lip floating when a door glass is closed.

  According to the first aspect of the present invention, the vehicle outer side wall, the vehicle inner side wall, the bottom wall connecting both side walls, the inner wall extends inward from the vehicle outer side wall toward the bottom wall, and elastically contacts the door glass from the vehicle outer side. A glass run with an outer seal lip and an inner seal lip that extends inwardly from the vehicle interior side wall toward the bottom wall and elastically contacts the door glass from the vehicle interior is attached to the mounting portion of the window frame of the vehicle door. A glass run mounting structure having the above-described structure, wherein a design lip integrally formed outward from the side wall end of the vehicle outer side wall covers the vehicle outer wall surface of the mounting portion, and the tip of the design lip stays on the vehicle outer wall surface. In the glass run mounting structure that extends from the vehicle outer wall surface and reaches the window frame component outside the mounting portion, or the design lip covers the wall portion end of the vehicle outer wall portion constituting the mounting portion, G The vehicle outer side wall of the slan has a fold point, and the design lip on the tip side from the fold point can be bent in the direction of falling to the vehicle outer wall side or the wall end side of the mounting portion. A protrusion that protrudes from one side of the vehicle outer side wall and the outer seal lip toward the other, or faces each other, and is pushed against the other when the door glass is closed, or pushed against each other. Is provided on the center side of the window frame from the break point.

The invention according to claim 2 is the invention according to claim 1, wherein the folding point is in contact with the vehicle outer side wall of the glass run and the vehicle outer side wall portion of the mounting portion cancels contact with the vehicle outer side wall of the glass run, It is a point which leaves | separates from the said vehicle outer side wall.
The invention according to claim 3 is the invention according to claim 1, wherein the vehicle outer side wall portion of the mounting portion where the break point contacts the vehicle outer side wall of the glass run eliminates contact with the vehicle outer side wall of the glass run, It is characterized by being a notch or a thin-walled portion that is formed with a point separating from the vehicle outer side wall as a boundary, or that is formed closer to the center of the window frame than the point.

According to a fourth aspect of the present invention, in any one of the first to third aspects of the present invention, the protrusion is formed on the center side of the window frame from the end of the outer wall of the mounting portion.
The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the vehicle outer side wall of the glass run is connected to the design lip by a connecting portion, and the connecting portion is formed obliquely outward toward the window frame center side. The protrusion is formed to protrude from the connecting portion.

  According to the first aspect of the present invention, when the door glass is closed, the design lip is bent at the break point by a bending moment caused by the pressing force acting on the protrusion via the outer seal lip, and the front end of the design lip is the outer side of the mounting portion. Pressed against the wall surface, or extended from the vehicle outer wall surface, pressed against the window frame component outside the mounting portion, or pressed against the vehicle outer wall end of the mounting portion. Floating from the window frame component outside the mounting part or the end of the vehicle outer wall of the mounting part, or the gap is prevented from expanding, and wind and rain enter through this gap, wind noise and the above-mentioned chatter Generation of sound can be suppressed, and appearance can be prevented from being damaged. The above-described effect of the present invention occurs even when the door glass is closed at the normal position indicated by the one-dot chain line in FIG. Occur.

  In the invention which concerns on Claim 2, the vehicle outer side wall part of the attaching part which contacts the vehicle outer side wall of a glass run cancels | releases the contact with the vehicle outer side wall of the said glass run, and starts from the break point which separates from the said vehicle outer side wall. Further, the vehicle outer side wall of the glass run on the tip side from the folding point bends to the vehicle outer side, and in the invention according to claim 3, the vehicle outer side wall of the glass run is bent to the vehicle outer side starting from the notch portion or the thin wall portion. And the tip of the lip is pressed against the vehicle exterior wall surface of the attachment portion or the door component outside the attachment portion, or is pushed against the vehicle exterior wall end of the attachment portion.

  According to the invention of claim 4, when the projection receives a pressing force, it can be bent without being obstructed by the end of the outer wall of the mounting portion, and the design lip can be tilted inwardly without any hindrance. it can.

  In the invention which concerns on Claim 5, the connection part of the vehicle outer side wall of the glass run and the design lip is inclined toward the vehicle outer side toward the center of the window frame, and the protrusion is formed in the connection part. The connecting portion is pushed in by the component force, so that the design lip can be surely pushed into the vehicle outer wall side of the mounting portion, and the above-described gap can be prevented more efficiently and reliably.

Sectional drawing of the prior art example of the mounting structure of a glass run. Sectional drawing of another prior art example of the mounting structure of a glass run. It is sectional drawing of the attachment structure of the glass run which concerns on this invention, and shows the cross section in the AA line shown in FIG. Sectional drawing of the glass run attached to a holder. The side view of a vehicle. Sectional drawing which shows the deformation | transformation aspect of the attachment structure of the glass run shown in FIG. Sectional drawing of the mounting structure of the glass run of another embodiment.

  Hereinafter, a glass run mounting structure of an embodiment of the present invention will be described with reference to the drawings. In the figure, the same reference numerals are given to the same structural portions as those of the glass run mounting structure shown in FIGS.

  The attachment structure of the glass run 31 shown in FIG. 3 is the same as the attachment structure of the glass run 1 shown in FIG. 1, but is a protrusion 32 that protrudes toward the outer seal lip 7 inside the connecting portion 10 that connects the vehicle outer side wall 2 and the design lip 6. The projection 32 is formed so as to be inclined with respect to a vertical line on the surface of the door glass 12 when the connecting portion 10 is formed to be inclined toward the outside of the vehicle toward the center of the window frame. The glass run 1 is provided further on the center side of the window frame than the break point a of the vehicle outer side wall 2.

  Here, in the example shown in the figure, the folding point a is an edge of the end of the outer wall of the holder 5 that constitutes the mounting portion, but the outer side wall 2 of the glass run 31 is the outer wall of the holder 5. 5a is a contact start point at which the vehicle outer wall 5a of the holder 5 starts to contact the vehicle outer side wall 2 of the glass run 31 when viewed from the center side of the window frame when contacting the surface over a certain distance. When viewed from the outside of the window frame toward the center of the window frame, the contact with the vehicle outer side wall portion 5a of the holder 5 is eliminated, and the vehicle outer side wall portion 5a of the holder 5 is detached from the vehicle outer side wall portion 2. . In addition, as shown in FIG. 2, when the holder mounting portion of the outer panel 13 is hemmed and folded so as to wrap the end of the outer wall portion 5 a of the holder 5, the folded portion of the outer panel 13 5f is a contact start point for starting contact with the vehicle outer side wall 2 of the glass run 1, and the folded portion 5f is released from contact with the vehicle outer side wall 2, and the folded portion 5f is separated from the vehicle outer side wall 2. It becomes.

  The protrusion 32 is configured not to contact the outer seal lip 7 in a natural state in which the glass run 31 is pushed into the holder 5 and attached (FIG. 4), but may be formed to contact. The protrusion 32 may be formed so as to protrude toward the vehicle outer side wall 2 or the connecting portion 10 on the outer (back) side of the outer seal lip 7 instead of being formed on the vehicle outer side wall 2. 2 or both the connecting portion 10 and the outer seal lip 7 may be formed so as to face each other and to face each other when the door glass is closed. The side end of the outer wall portion 5a of the holder 5 shown in the figure is cut and aligned with the outer panel end, but as shown in FIG. 2, the holder-mounting portion of the outer panel 13 is hemmed. Then, it may be folded back so as to wrap the end of the wall portion of the vehicle outer side wall portion 5a. In this case, as described above, the folding portion 5f cancels the contact with the vehicle outer side wall 2 and the point where the folding portion 5f separates from the vehicle outer side wall 2 is the folding point a.

  3 shows a cross-sectional structure taken along the line AA on the center pillar side of the window frame of the rear door 34 of the vehicle shown in FIG. 5, but a glass run mounting groove on the roof side window frame taken along the line BB. In addition, the glass run mounting structure on the front pillar side, center pillar side, and roof side window frame of the front door 35 as well as the rear pillar side of the rear door 34 can be similarly configured.

  When the door glass 12 is lifted and closed in the direction orthogonal to the paper surface of FIG. 3, the outer seal lip 7 and the inner seal lip 11 are sequentially pushed down to the side walls 2 and 3 on both sides as the door glass 12 is raised. As the seal lip 7 is pushed down, the protrusion 32 is pushed. A bending moment with the fold point a as a fulcrum acts due to the pressing force on the protrusion 32, whereby the connecting portion 10 tries to fall in the counterclockwise direction of FIG. 3 together with the design lip 6, and the design lip tip is the outer panel. 13 is pressed against the inclined portion 13a.

  Here, the connecting portion 10 is formed so as to be inclined to the vehicle outer side toward the window frame center side, so that the component force of the pressing force acting from the vertical direction of the surface of the door glass 12 through the protrusion 32 when the door is closed. Thus, the vector component in the direction orthogonal to the connecting portion 10 can easily fall in the counterclockwise direction in the drawing, and the design lip tip can be pressed against the outer panel 13 efficiently and reliably.

  When the door glass 12 is closed, the design lip 6 is pressed against the outer panel 13 until the design lip 6 reaches the roof of the window frame, and the pressing force increases so that the door glass 12 when it is closed shifts to the outside of the vehicle. There is no gap between the design lip 6 and the outer panel 13.

  FIG. 3 shows a cross-sectional structure taken along line AA of the vehicle shown in FIG. 5 as described above, but in the structure for attaching the glass run on the roof side along line BB similarly configured, Just before the door glass 12 rises and closes, the projection 32 is pushed in, and the tip of the design lip is pressed against the outer panel 13 in the same manner, producing the same effect as described above.

  In the said embodiment, the attachment part of the glass run 31 is comprised by the holder 5 attached to the inner panel 8 and the outer panel 13, and the holder attachment part of both the panels 8 and 13, The vehicle outer side wall part 5a of the holder 5, Although the holder mounting portion of the outer panel 13 fixed to the wall portion 5a and the inner wall portion 5b of the holder 5 and the holder mounting portion of the inner panel 8 fixed to the wall portion 5b are all in a flange shape. The mounting portion of the glass run 31 may be configured as a single holder by omitting the holder mounting portions of the inner panel 8 and the outer panel 13, and the mounting portion includes a flange-like vehicle outer wall portion and vehicle inner wall portion. Regardless of whether or not it has a glass run 31, the outer wall surface of the vehicle on which the glass run 31 can be attached and the design lip 6 of the glass run 31 is covered. As long as, may be made to any structure. Further, as described above, when the glass run attaching portion is constituted by the holder 5 alone, the tip of the design lip may hit the window panel constituting member other than the outer panel, such as the outer panel.

  The attachment structure of the glass run 36 of the embodiment shown in FIG. 6 is the same as the attachment structure of the glass run 31 of the embodiment shown in FIG. The notch 37 is formed adjacent to the break point a. In this embodiment, the notch 37 is a break point together with the break point a. The notch 37 may be formed at an arbitrary position between the break point a and the protrusion 32 without contacting the break point a as shown in the figure. In this case, the notch 37 may be bent so that the notch 37 mainly functions as a break point. Other structures are the same as the mounting structure of the glass run 31 shown in FIG. Also in the present embodiment, as in the above-described embodiment, the connecting portion 10 that is inclined obliquely to connect the vehicle outer side wall of the glass run and the design lip may be provided, and the protrusion 32 may be provided in the connecting portion 10.

  According to this embodiment, when the door glass 12 is closed, it is more reliably refracted by the notch 37, whereby the design lip 6 falls in the counterclockwise direction in the figure and is pressed against the outer panel 13, and the front end of the design lip Is more reliably suppressed from rising from the outer panel and forming a gap or expanding the gap.

  The holder 5 in each of the embodiments is separate from the inner panel 8 and the outer panel 13 and is not fixed to the both panels 8 and 13 but integrally with one or both of the inner panel 8 and the outer panel 13. It may be formed by bending. The holder 5 is not limited to a metal such as steel, but may be other materials such as a resin product.

  The attachment structure of the glass run 41 shown in FIG. 7 is different from the attachment structure shown in FIGS. 3, 4 and 6 in the attachment portion and the design lip. Of these, the attachment portion is shown in FIGS. In the outer panel 13 shown in FIG. 7, the end of the holder mounting portion is cut open, whereas in the mounting structure shown in FIG. 7, the holder mounting portion of the outer panel 13 is hemmed and the vehicle outer side wall portion 5 a. In this embodiment, the end portion of the outer side wall portion of the glass run attachment portion is bent so as to wrap the end portion of the outer side wall portion 5a of the holder 5 in this embodiment. Among the rounded panel ends 13 b of the outer panel 13, this is the location closest to the center of the window frame.

  In the embodiment shown in FIG. 7, the end portion of the vehicle outer side wall portion 5 a of the holder 5 is structured to be wrapped by the hemming process of the outer panel 13, but the outer panel 13 is formed of the vehicle outer wall portion 5 a of the holder 5. As in FIGS. 3, 4, and 6, the end portion is cut off together with the vehicle outer side wall portion 5 without being wrapped around the end portion. May be. The outer panel 13 attached to the holder 5 is fixed to the vehicle outer side wall portion 5a of the holder 5, preferably by welding.

  Also in this embodiment, the glass run attachment portion is not limited to the one described above, and any structure can be used as long as the glass run 41 is attached and the vehicle outer wall end that covers the tip of the design lip 19 is provided. It may be.

  With respect to the design lip, the design lip 6 shown in FIGS. 3, 4 and 6 runs along the outer panel 13 and the tip of the design lip 6 hits the inclined portion 13a inclined toward the vehicle outer side of the outer panel 13, whereas the attachment shown in FIG. Similar to the design lip 19 shown in FIG. 2, the structure is different in that it covers the panel end 13 b of the outer panel 13.

  Like the projection 32 of the above embodiment, a projection 32 that projects toward the outer seal lip 7 is formed on the inner side of the side wall end of the vehicle outer side wall 2. This projection 32 is the same as the projection 32 of the above embodiment. Similarly, it is located in the window frame inner side (center side) rather than the outer panel end 13b which is a flange-shaped vehicle outer side wall part end of an attaching part.

  Also in this embodiment, the outer side wall 2 on the front end side from the break point a is bent counterclockwise by the action of the pressing force when the door glass 12 is closed, and the front end of the design lip 19 is connected to the end of the outer lip panel. Press against 13b. As a result, the generation of a gap between the front end of the design lip and the bent end of the outer panel is suppressed, and the appearance is prevented from being damaged by the gap, and the same effect as in the above embodiment is produced.

  Also in this embodiment, the protrusions 32 may be provided on the outer seal 7 side, or may be provided on both the vehicle outer side wall 2 and the outer seal 7 at positions where they face each other when the door glass 12 is closed. Further, similarly to the above-described embodiment, the connecting portion 10 that is inclined obliquely outward for connecting the outer side wall of the glass run and the design lip may be provided, and the protrusion 32 may be provided on the connecting portion 10. As described in the above embodiment, this makes it easy for the connecting portion to fall down, so that the design lip tip can be pressed to the outer panel end 13b efficiently and reliably.

1, 18, 31, 35, 41 ··· Glass run 2 · · Car outer side wall 3 · · Car inner side wall 4 · · Bottom wall 5 · · Holder 6, 19 · · Design lip 7 · Outer seal lip 8 · · Inner Panel 9 · Cover lip 10 · Connection 11 · Inner seal lip 12 · Door glass 13 · Outer panel 32 · Projection 34 · Rear door 35 · Front door 37 · Notch

Claims (5)

  The vehicle outer side wall 2, the vehicle inner side wall 3, the bottom wall 4 connecting both side walls 2, 3, and extends inward from the vehicle outer side wall 2 toward the bottom wall, and elastically contacts the door glass 12 from the vehicle outer side. A glass run having an outer seal lip 7 and an inner seal lip 11 that extends inwardly from the vehicle interior side wall 3 toward the bottom wall 4 and elastically contacts the door glass 12 from the vehicle interior side. A mounting structure for a glass run having a structure attached to and attached to the mounting portion of the vehicle, wherein the design lips 6 and 19 integrally formed outward from the side wall end of the vehicle outer side wall 2 are the vehicle outer wall surfaces of the mounting portion. The front end of the vehicle stays on the vehicle exterior wall surface, or extends from the vehicle exterior wall surface to reach the window frame component outside the mounting portion, or the design lip 6, 19 forms the mounting portion on the vehicle exterior side. Cover the wall edge of the wall In the glass run mounting structure, the vehicle outer side wall of the glass run has a fold point, and the design lips 6 and 19 on the front end side of the fold point are tilted to the vehicle outer wall portion 5a of the mounting portion or the wall portion end side. In the glass run mounting structure in which the design lips 6 and 19 that are integrally formed outward from the side wall end of the vehicle outer side wall of the glass run are covered with the vehicle outer wall end 13b of the mounting portion. The vehicle outer side wall 3 has fold points a and 37, and the design lips 6 and 19 on the front end side of the fold points a and 37 can be bent toward the vehicle outer wall portion or wall end side of the mounting portion. When the door glass 12 is closed by projecting toward the other one of the vehicle outer side wall 2 and the outer seal lip 7 of the glass run or projecting from each other. A glass run mounting structure characterized in that a protrusion 32 that is pressed against the other or pressed against each other is provided on the center side of the window frame from the folding points a and 37.   The folding point is a point a where the vehicle outer side wall portion 5a of the mounting portion that contacts the vehicle outer side wall 2 of the glass run is released from the vehicle outer side wall 2 by eliminating contact with the vehicle outer side wall 2 of the glass run. The glass run mounting structure according to claim 1.   The vehicle outer wall 5a of the mounting portion where the break point contacts the vehicle outer side wall 2 of the glass run is formed at the point where the contact with the vehicle outer side wall 2 of the glass run is eliminated and separated from the vehicle outer side wall 2. The glass run mounting structure according to claim 1, wherein the mounting structure is a notch 37 or a thin wall portion formed on the center side of the window frame from the point.   The glass run attachment structure according to any one of claims 1 to 3, wherein the protrusion 32 is formed on the center side of the window frame from the vehicle outer side wall end 5f of the attachment portion.   The outer side wall 2 of the glass run is connected to the design lip 6 by the connecting portion 10, the connecting portion 10 is formed obliquely outward toward the center of the window frame, and the protrusion 32 is formed to protrude from the connecting portion 10. The mounting structure for a glass run according to any one of claims 1 to 4, wherein: