JP2008024112A - Glass run - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a glass run capable of preventing vibration of seal lips and improving sound insulation. <P>SOLUTION: The glass run 1 is provided with a main body part 11 comprising a base bottom part 14 fitted to a channel part DS provided along a glass opening part, a vehicle external side wall part 15 extended from the base bottom part 14 and a vehicle internal side wall part 16; and with a vehicle external seal lip 12 and vehicle internal seal lip 13 extended from tip parts of the both side wall parts 15, 16 toward inside of the main body part 11. A projection part 21 projecting to inside of the main body part 11 is provided on the vehicle internal side wall part 16 in a portion constituting an upper edge part of the glass run 1 (extrusion molding 2). In regard to a region where a door glass DG in a reference position in the vehicle width direction is positioned inside the main body part 11, a tip portion on a face opposite to a glass sliding contact face of the vehicle internal seal lip 13 in the region is set to abut on the projection part 21. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a glass run.

Generally, a glass run is provided at the periphery of the glass opening of an automobile. The glass run is composed of an extrusion molded part formed in a substantially straight shape (long shape) and a mold forming part that connects the extruded parts with a predetermined angle, for example, a glass opening. It consists of a front vertical side part, an upper side part, and a rear vertical side part along the shape. Further, when viewed from the cross-sectional direction, the glass run has a base portion, a substantially U-shaped main body portion including a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion in the inner peripheral direction of the glass opening, and the both side walls. A vehicle interior seal lip and a vehicle exterior seal lip extending from the substantial tip of the assembly to the inside of the main body. The glass run is attached to the inner periphery of a mounting portion (channel portion) provided with a main body portion along the glass opening, and the inside and outside of the door glass are sealed by the pair of seal lips ( For example, see Patent Document 1.)
JP 2000-280753 A

  In general, the seal lip is more easily deformed at the distal end side than at the proximal end side, and has a property that the elastic force (reaction force to push the door glass back) is weak. . In the state in which the door glass is inserted inside the main body, the seal lip contacts the door glass at the tip portion (at least the tip side of the center position in the extending direction of the seal lip). Because of the above-mentioned properties, there is a concern that the tip portion may vibrate when receiving wind pressure or the like. When the seal lip vibrates in this way, not only the sealing performance is deteriorated but also noise may easily enter the vehicle interior. This problem becomes more prominent as the seal lip is longer and the contact portion of the seal lip with the door glass is separated from the connecting portion with the side wall portion.

  This invention is made | formed in view of the said situation, The objective is to provide the glass run which can aim at the improvement of sound insulation property by preventing the vibration of a seal lip.

  In the following, each means suitable for solving the above-mentioned purpose will be described in terms of items. In addition, the effect etc. peculiar to the means to respond | correspond as needed are added.

Means 1. A main body portion having a substantially U-shaped cross section comprising a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion, and a vehicle inner seal lip and a vehicle extending inward of the main body portion from substantially the front ends of the both side wall portions. An outer seal lip,
The main body is a glass run that is attached to the inner periphery of a mounting portion provided along the glass opening of the vehicle,
At least on the vehicle interior side wall portion of the portion corresponding to the upper side portion of the door glass, a convex portion protruding inside the main body portion, or inclined toward the inner peripheral side of the glass opening portion toward the inner side of the main body portion. A sub lip extending in a straight line is provided,
With respect to the portion where the door glass at the reference position in the vehicle width direction is located inside the main body, the tip portion of the surface opposite to the glass sliding contact surface of the vehicle inner seal lip in the portion, and the convex A glass run, which is set so that the portion or the sub lip contacts.

  According to the means 1, when the door glass at the reference position in the vehicle width direction is inserted into the inside of the main body portion with respect to the vehicle inner side wall portion at least corresponding to the upper side portion of the door glass, A convex portion or a sub lip is provided in contact with the tip portion of the surface (back surface) opposite to the glass sliding contact surface of the inner seal lip. For this reason, with respect to the part where the door glass is located inside the main body, the vehicle inner seal lip is sandwiched between the convex portion or the sub lip and the door glass, and the front end of the vehicle inner seal lip is in the vehicle width direction. It is possible to prevent a situation such as vibration. Therefore, it is possible to improve the sealing performance and the sound insulation.

  Note that “being at the reference position” has the meaning of “being located on the sliding track of the door glass set in advance without being displaced in the vehicle width direction”.

Mean 2. A main body portion having a substantially U-shaped cross section comprising a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion, and a vehicle inner seal lip and a vehicle extending inward of the main body portion from substantially the front ends of the both side wall portions. An outer seal lip,
The main body is a glass run that is attached to the inner periphery of a mounting portion provided along the glass opening of the vehicle,
In the vehicle interior side wall portion of the portion corresponding to the upper side portion of the door glass, a convex portion protruding inside the main body portion or a straight line inclined toward the inner peripheral side of the glass opening toward the inner side of the main body portion A sub-lip extending in a shape,
The vehicle interior side wall portion of the portion corresponding to the vertical side portion of the door glass is provided with a sub lip extending linearly inclined toward the inner peripheral side of the glass opening toward the inside of the main body portion,
With respect to the portion where the door glass at the reference position in the vehicle width direction is located inside the main body, the tip portion of the surface opposite to the glass sliding contact surface of the vehicle inner seal lip in the portion, and the convex A glass run, which is set so that the portion or the sub lip contacts.

  According to the means 2, not only the convex portion or the sub lip is provided on the vehicle interior side wall portion of the portion corresponding to the upper side portion of the door glass, but also the portion corresponding to the vertical side portion of the door glass also on the vehicle inner side wall portion. A sub lip is provided for the part. For this reason, the effect of the said means 1 is show | played more reliably.

Means 3. An extrusion molding section and a mold molding section formed by connection molding at an end of the extrusion molding section, each molding section comprising a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion. A main body portion having a substantially U-shaped cross-section, and a vehicle inner side seal lip and a vehicle outer side seal lip extending from the substantially tip ends of the both side wall portions to the inside of the main body portion,
The main body is a glass run that is attached to the inner periphery of a mounting portion provided along the glass opening of the vehicle,
Of the extruded part and the molded part, the vehicle interior side wall part of the part corresponding to the upper side part of the door glass has a convex part projecting inside the body part, or toward the inside of the body part. A sub lip that is inclined and linearly provided on the inner peripheral side of the glass opening is provided,
The vehicle interior side wall portion of the extrusion molding portion and the mold molding portion corresponding to the vertical side portion of the door glass is linearly inclined toward the inner peripheral side of the glass opening portion toward the inside of the main body portion. A sub lip extending to
In the mold forming portion, the convex portion or the sub lip provided corresponding to the upper side portion of the door glass and the sub lip provided corresponding to the vertical side portion of the door glass are connected and formed. And
With respect to the portion where the door glass at the reference position in the vehicle width direction is located inside the main body, the tip portion of the surface opposite to the glass sliding contact surface of the vehicle inner seal lip in the portion, and the convex A glass run, which is set so that the portion or the sub lip contacts.

  According to the means 3, when the door glass at the reference position in the vehicle width direction is inserted into the inner side of the main body portion with respect to the vehicle inner side wall portion of the extrusion molding portion and the die molding portion, A convex portion or a sub lip is provided in contact with the tip portion on the back surface of the lip. For this reason, the same effect as the said means 1 is show | played. Furthermore, in this means 3, since the vibration of the vehicle inner side seal lip can be prevented over the entire circumference of the glass run, the above-mentioned effects are exerted over the entire circumference of the glass run, thereby further improving the sealing performance. In addition, the sound insulation can be improved.

  Means 4. The glass run according to any one of means 1 to 3, wherein an extension length of the vehicle interior seal lip is set to be 2.5 times or more and 5 times or less of an extension length of the vehicle exterior seal lip. .

  In recent years, a glass run in which a vehicle inner side wall portion is extended as compared with a conventional glass run can be seen due to diversification of vehicle door shapes and a demand for improvement in design. In this way, when the vehicle interior side wall is lengthened, the extension length of the vehicle interior seal lip is also increased, but in this case, the front end of the vehicle interior seal lip is more likely to vibrate. Is concerned. In this regard, as described in the above means 1 to 3, even if the configuration of the present means 4 is adopted by providing a convex portion or a sub lip that contacts the tip portion of the vehicle inside seal lip, The vibration of the inner seal lip can be prevented, and the sealing performance and the sound insulation can be improved.

  Hereinafter, an embodiment will be described with reference to the drawings. FIG. 1 is a schematic front view showing a schematic configuration of a door. 2 is a cross-sectional view taken along the line JJ of FIG. 1 showing the configuration of the glass run.

  As shown in FIG. 1, the glass run 1 is attached corresponding to the outer periphery of the glass opening W of the door for motor vehicles (a front door in the figure: hereinafter referred to as a door DF). The glass run 1 includes an extrusion molding portion 2 corresponding to the upper side portion in the longitudinal direction, extrusion molding portions 3 and 4 corresponding to the front and rear vertical side portions, and ends of the two extrusion molding portions 2, 3 and 2, 4. It is distinguished from mold forming parts 5 and 6 (parts with a dotted pattern in FIG. 1) that connect the parts. Each extrusion molding part 2-4 is formed in the shape of a straight line (long shape) with the extrusion molding machine which is not illustrated. The mold forming parts 5 and 6 are connected and molded by a mold apparatus (not shown) so that the two extruded parts 2, 3 and 2, 4 are connected to each other at a predetermined angle.

  As shown in FIGS. 2 and 3, the door DF includes an outer panel 51 and an inner panel 52, and a molding member 53 attached to the panels 51 and 52. More specifically, the molding member 53 is attached and fixed by a rivet 56 to a flange portion 55 formed by bending the end portions of the outer panel 51 and the inner panel 52 to the outside of the vehicle and overlapping them. In the present embodiment, the inner panel 52 and the molding member 53 form a substantially U-shaped groove (hereinafter referred to as a channel portion DC). Further, the channel part DC is formed so as to follow the outer peripheral shape of the door DF, and the glass opening part W that the door glass DG is moved up and down is defined by the channel part DC. And the glass run 1 is mounted | worn with the inner periphery of the channel part DC, and comprises an attaching part in this embodiment.

  As shown in FIG. 3, the extrusion molding portion 2 is a main body portion having a substantially U-shaped cross section including a base portion 14 fitted into the channel portion DC, a vehicle outer side wall portion 15 and a vehicle inner side wall portion 16 extending from the base portion 14. 11, a vehicle outer side seal lip 12 and a vehicle inner side seal lip 13 extending from substantially the front ends of the vehicle outer side wall portion 15 and the vehicle inner side wall portion 16 to the inside of the main body portion 11 (base portion 14 side), respectively. In the closed state of the glass opening W, the surface (glass sliding contact surface) of the vehicle outer side seal lip 12 is pressed against the outer surface of the door glass DG, and the surface of the vehicle inner side seal lip 13 (glass sliding contact surface). It is press-contacted with respect to the inner surface of the door glass DG. Thereby, the vehicle exterior side and vehicle interior side of the door glass DG are each sealed.

  Note that the extrusion molding parts 3 and 4 (see FIG. 2) and the mold molding parts 5 and 6 constituting the front and rear vertical sides also include a main body part 11 and a pair of seal lips 12 and 13. Moreover, the main-body part 11 and the seal lips 12 and 13 in this embodiment are comprised by the dynamic bridge | crosslinking type olefin type thermoplastic elastomer (TPV).

  Further, in the present embodiment, the vehicle outer side wall portion 15 is formed shorter than the vehicle inner side wall portion 16, and the vehicle outer side seal lip 12 is accordingly set smaller (shorter) than the vehicle inner side seal lip 13. Has been. Thereby, the vehicle outer side surface of the molding member 53 can be set small, the appearance is improved, and the door glass DG is brought closer to the vehicle outer side to achieve flash surface formation. Further, at the portion where the door glass DG is not located inside the main body portion 11, the front end portion of the vehicle exterior seal lip 12 and the front end portion of the vehicle interior seal lip 13 are set in contact with each other. Thereby, regarding the site | part in which the door glass DG is not located, while preventing the fall of external appearance quality, the situation where a foreign material permeates and accumulates inside the main-body part 11 is prevented.

  Now, as shown in FIG. 3, in the present embodiment, a convex portion 21 having a substantially semicircular cross section is provided that protrudes from the vehicle interior side wall portion 16 of the extruded portion 2 constituting the upper side portion to the inside of the main body portion 11. ing. The convex portion 21 is formed simultaneously with the vehicle interior side wall portion 16 by extrusion molding. In the state where the door glass DG is not positioned inside the main body 11, the back surface of the vehicle interior seal lip 13 and the convex portion 21 are separated from each other, but in the state where the door glass DG is positioned inside the main body 11. The front end portion of the back surface of the vehicle interior seal lip 13 and the convex portion 21 are configured to contact each other. In addition, when the door glass DG in the reference position such as being positioned on the sliding track of the door glass DG set in advance without being displaced in the vehicle width direction is positioned inside the main body 11, the convex portion 21 and the vehicle The inner seal lip 13 comes into contact, but when the door glass DG is displaced outward from the reference position, the convex portion 21 and the vehicle inner seal lip 13 do not come into contact with each other. Moreover, the convex part 21 should just be a block shape, for example, may be comprised by cross-sectional substantially triangular shape.

  In addition, about the extrusion molding part 2, since the door glass DG will be inserted in the inside of the main-body part 11 at once at the whole longitudinal direction when the door glass DG is closed, the door glass DG at that time The insertion load is relatively large as compared with the insertion load of the door glass DG in the extruded portions 3 and 4 constituting the vertical side portion. That is, when the seal lips 12 and 13 are hardly bent in the extruded portion 2, the insertion load of the door glass DG when the door glass DG is completely closed may be significantly increased. In this respect, in the present embodiment, the convex portion 21 provided on the vehicle interior side wall portion 16 of the extrusion molding portion 2 does not contact the vehicle interior seal lip 13 in the middle of the door glass DG being inserted inside the main body portion 11. Therefore, the possibility that the insertion load of the door glass DG when the door glass DG is completely closed can be avoided.

  On the other hand, as shown in FIG. 2, with respect to the extrusion molding portion 3 constituting the front vertical side portion, it is inclined from the vehicle inner side wall portion 16 toward the inside of the main body portion 11 toward the inner peripheral side of the door glass opening W. A sub lip 31 extending linearly is provided. The sub lip 31 is formed simultaneously with the vehicle interior side wall portion 16 by extrusion molding. In the portion where the door glass DG is not located inside the main body portion 11 in the extruded portion 3, the back surface of the vehicle interior seal lip 13 and the tip end portion of the sub lip 31 are separated from each other. In the part where the door glass DG is located inside, the front end part of the back surface of the vehicle interior seal lip 13 and the front end part of the sub lip 31 are configured to contact each other. As for the extrusion molding part 4 constituting the rear vertical side part, a sub lip 31 is provided on the vehicle interior side wall part 16 as in the extrusion molding part 3.

  In addition, the surface of the protrusion 21 of the extrusion molding part 2 and the surface of the sub lip 31 of the extrusion molding parts 3 and 4 is subjected to surface treatment so as to improve the slidability with respect to the back surface of the vehicle interior seal lip 13. Yes. As the surface treatment, a sliding layer (for example, a polyethylene resin layer) or a coating film (for example, a urethane coating film) is formed on the surface of the convex portion 21 or the sub lip 31, or a material constituting the convex portion 21 or the sub lip 31 is used. For example, a sliding component for improving slidability may be added.

  In addition, although not shown in the drawings, the molded portions 5 and 6 are also provided with a convex portion 21 and a sub lip 31 that protrude from the vehicle interior side wall portion 16 to the inside of the main body portion 11. More specifically, among the molded parts 5 and 6, the part corresponding to the upper side of the door glass DG and connected to the extruded part 2 is convex so as to be continuous with the convex part 21 of the extruded part 2. The portion 21 is provided and corresponds to the vertical side portion of the door glass DG, and the sub lip 31 is provided so as to be continuous with the sub lip 31 of the extrusion portions 3 and 4 at a portion connected to the extrusion portions 3 and 4. It has been. Further, the end portions of the convex portion 21 and the sub lip 31 provided in the mold forming portions 5 and 6 are connected to each other. That is, the convex portion 21 and the sub lip 31 are formed in a continuous manner over the entire circumference of the glass run 1.

  As described above in detail, in the present embodiment, the protrusions are formed on the inner side wall portion 16 of the portion corresponding to the upper side portion of the door glass DG among the extrusion molding portion 2 and the mold forming portions 5 and 6 constituting the upper side portion. 21 and a sub lip 31 is provided on the vehicle interior side wall portion 16 corresponding to the vertical side portion of the door glass DG among the extrusion molding portions 3 and 4 and the mold forming portions 5 and 6 constituting the vertical side portion. ing. The convex portion 21 and the sub lip 31 are configured to come into contact with the front end portion of the back surface of the vehicle inner seal lip 13 when the door glass DG at the reference position in the vehicle width direction is inserted inside the main body portion 11. Has been. In other words, the convex portion 21 or the sub lip 31 is formed in a portion of the vehicle interior side wall portion 16 that can contact the tip portion of the vehicle interior seal lip 13 when the door glass DG is inserted inside the main body portion 11. Has been. For this reason, with respect to the portion where the door glass DG is located inside the main body 11, the vehicle interior seal lip 13 is sandwiched between the convex portion 21 or the seal lip 31 and the door glass DG, and the vehicle interior seal lip It is possible to prevent a situation in which the tip portion of 13 vibrates in the vehicle width direction. Therefore, it is possible to improve the sealing performance and the sound insulation.

  Furthermore, according to this embodiment, the said effect is show | played over the perimeter of the glass run 1, and it can aim at the further improvement in a sealing performance and a sound-insulating property.

  In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other application examples and modification examples not illustrated below are also possible.

  (A) In the above embodiment, the sub lip 31 and the protrusion 41 are provided for the glass run 1 of the type attached to the channel portion DC constituted by the inner panel 52 and the molding member 53. It is not limited to a simple configuration. For example, the convex portion 21 and the sub lip 31 may be provided on a glass run attached to a sash door type door, or the convex portion 21 and the sub lip 31 may be provided on a glass run attached to a press door type door.

  (B) In the above-described embodiment, the extrusion molding portion of the front door has been described in detail. However, the projection 21 or the sub lip 31 may be provided similarly in the extrusion molding portion of the rear door. Also, the convex portion 21 or the sub lip 31 may be provided on the vehicle outer side wall portion 15. However, since the reference position of the door glass DG is normally offset to the outside of the vehicle due to the demand for flash surface formation, the convex portion 21 and the sub lip 31 do not need to be provided for the vehicle outer side wall portion 15.

  (C) The number of the convex parts 21 provided in the vehicle outer side wall part 16 is not particularly limited, and for example, two or more convex parts 21 may be provided. Moreover, in the said embodiment, although the convex part 21 is provided with respect to the vehicle inner side wall part 16 of the extrusion molding part 2, it replaces with the convex part 21 and is located inside the main-body part 11 from the vehicle inner side wall part 16. You may provide the sublip which inclines toward the inner peripheral side of the door glass opening part W, and extends linearly toward it. However, it is desirable that the sub lip provided on the vehicle interior side wall portion 16 of the extrusion molding portion 2 is configured to be shorter than the sub lip 31 provided on the vehicle interior side wall portion 16 of the extrusion molding portions 3 and 4.

  (D) In the above embodiment, the sub lip provided on the vehicle interior side wall portion 16 of the extrusion molding portions 3 and 4 and the convex portion 21 and the sub lip 31 provided on the vehicle interior side wall portion 16 of the mold forming portions 5 and 6 are omitted. It is also possible.

  (E) In the above embodiment, the main body 11 and the seal lips 12 and 13 are made of TPV. However, the main body 11 and the seal lips 12 and 13 are made of another material such as olefin rubber (for example, EPDM) or olefin thermoplastic elastomer (TPO). May be.

It is a front schematic diagram which shows schematic structure of a door. It is the JJ sectional view taken on the line of FIG. 1 which shows the vertical side part of a glass run. It is the KK sectional view taken on the line of FIG. 1 which shows the upper side part of a glass run.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Glass run, 2, 3, 4 ... Extrusion part, 5, 6 ... Molding part, 11 ... Main-body part, 12 ... Car outer side seal lip, 13 ... Car inner side seal lip, 14 ... Base part, 15 ... Car Outer side wall part, 16 ... Vehicle inner side wall part, 21 ... Projection part, 31 ... Sub lip, DG ... Door glass, DC ... Channel part, W ... Glass opening part.

Claims (4)

A main body portion having a substantially U-shaped cross section comprising a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion, and a vehicle inner seal lip and a vehicle extending inward of the main body portion from substantially the front ends of the both side wall portions. An outer seal lip,
The main body is a glass run that is attached to the inner periphery of a mounting portion provided along the glass opening of the vehicle,
At least on the vehicle interior side wall portion of the portion corresponding to the upper side portion of the door glass, a convex portion protruding inside the main body portion, or inclined toward the inner peripheral side of the glass opening portion toward the inner side of the main body portion. A sub lip extending in a straight line is provided,
With respect to the portion where the door glass at the reference position in the vehicle width direction is located inside the main body, the tip portion of the surface opposite to the glass sliding contact surface of the vehicle inner seal lip in the portion, and the convex A glass run, which is set so that the portion or the sub lip contacts. A main body portion having a substantially U-shaped cross section comprising a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion, and a vehicle inner seal lip and a vehicle extending inward of the main body portion from substantially the front ends of the both side wall portions. An outer seal lip,
The main body is a glass run that is attached to the inner periphery of a mounting portion provided along the glass opening of the vehicle,
In the vehicle interior side wall portion of the portion corresponding to the upper side portion of the door glass, a convex portion protruding inside the main body portion or a straight line inclined toward the inner peripheral side of the glass opening toward the inner side of the main body portion A sub-lip extending in a shape,
The vehicle interior side wall portion of the portion corresponding to the vertical side portion of the door glass is provided with a sub lip extending linearly inclined toward the inner peripheral side of the glass opening toward the inside of the main body portion,
With respect to the portion where the door glass at the reference position in the vehicle width direction is located inside the main body, the tip portion of the surface opposite to the glass sliding contact surface of the vehicle inner seal lip in the portion, and the convex A glass run, which is set so that the portion or the sub lip contacts. An extrusion molding section and a mold molding section formed by connection molding at an end of the extrusion molding section, each molding section comprising a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion. A main body portion having a substantially U-shaped cross-section, and a vehicle inner side seal lip and a vehicle outer side seal lip extending from the substantially tip ends of the both side wall portions to the inside of the main body portion,
The main body is a glass run that is attached to the inner periphery of a mounting portion provided along the glass opening of the vehicle,
Of the extruded part and the molded part, the vehicle interior side wall part of the part corresponding to the upper side part of the door glass has a convex part projecting inside the body part, or toward the inside of the body part. A sub lip that is inclined and linearly provided on the inner peripheral side of the glass opening is provided,
The vehicle interior side wall portion of the extrusion molding portion and the mold molding portion corresponding to the vertical side portion of the door glass is linearly inclined toward the inner peripheral side of the glass opening portion toward the inside of the main body portion. A sub lip extending to
In the mold forming portion, the convex portion or the sub lip provided corresponding to the upper side portion of the door glass and the sub lip provided corresponding to the vertical side portion of the door glass are connected and formed. And
With respect to the portion where the door glass at the reference position in the vehicle width direction is located inside the main body, the tip portion of the surface opposite to the glass sliding contact surface of the vehicle inner seal lip in the portion, and the convex A glass run, which is set so that the portion or the sub lip contacts.   4. The glass according to claim 1, wherein an extension length of the vehicle interior seal lip is set to be 2.5 times or more and 5 times or less of an extension length of the vehicle exterior seal lip. run.

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