JPH09240283A - Door glass run - Google Patents

Abstract

PROBLEM TO BE SOLVED: To assemble a glass run main body and a molding at the same time by fitting a welt part of the glass run main body in a flange. SOLUTION: A door glass run is provided with a glass run main body 11 and a molding 12 provided with a substantially U-shaped cross section. A hollow sealing part 16, with which a circumference part of a door glass 7 is brought into contact, is additionally formed in a leg part 15a in a welt part 15. A molding fitting part 17, to which the molding 12 is fitted, is integrally formed on the door outer circumference side of the hollow sealing part 16. In assembly, the welt part 15 is fitted in a flange 6, so that a bottom part 30 of the molding 12 is clamped between a shelf part 4a in a door outer panel 4 and the molding fitting part 17, while a projection part 36 protruded from a vehicle interior side end part of the bottom part 30 is brought into pressure contact with the self part 4a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door grass run mounted on the inner circumference of a door sash portion of an automobile, and more particularly to a door grass run provided with a decorative molding.

[0002]

2. Description of the Related Art As a door glass run to be attached to a front door or a rear door of an automobile, a glass run main body which abuts against a peripheral portion of a wind glass and seals the same is provided in a portion exposed to the outside of a vehicle cabin for improving appearance quality. Some of them have a decorative molding.

As one of the mounting structures of the grass run to the door sash portion, the molding is fixed to the door panel in advance, and the grass run main body is fitted to the channel portion formed by the door panel and the molding. Things are known.

FIG. 4 shows a real fair 6-225 as an example.
In the cross-sectional view showing the structure of the upper edge portion of the door described in Japanese Patent Publication No. 85, the inner panel 102 and the outer panel 104 which form the door 100 are connected by a flange 106 protruding toward the inner circumference of the door opening. This flange 10
Shelf 1 of outer panel 104 bent from 6 to the outside of the passenger compartment
08, the mall 110 whose outer surface is exposed to the outside of the passenger compartment
Are fixed via clips 112.

On the other hand, the grass run main body 114 has a welt portion 116 which is fitted in the flange 106 and has a substantially U-shaped cross section.
And a base portion 118 projecting to the outside of the vehicle compartment from a tip of the leg portion of the welt portion 116 on the outside of the vehicle compartment, and a seal portion 120 that abuts on a peripheral edge of a door glass (not shown).
A core metal 122 for reinforcement is embedded in the welt portion 116. The grass run main body 114 has the welt portion 116 fitted to the flange 106 and the base portion 1
The tip end of the 18 is fitted into a U-shaped channel formed inside the molding 110 so that it is held by the door 100.

As another example of the mounting structure for the door sash portion of the door grass run, the molding is supported by the grass run body, and the welt portion of the grass run body is fitted to the flange so that the entire door grass run is held. There are also some.

FIG. 5 shows, by way of example, the actual exploitation 64-2.
In the cross-sectional view showing the structure of the upper edge portion of the door described in Japanese Patent No. 5916, the same components as those in FIG. Here, a cavity 134 that opens to the outside of the vehicle compartment is formed in the base portion 132 of the glass run main body 130, and the leg portion 138 of the molding 136 is fitted in the cavity 134, and the opening of the cavity 134 is formed in the molding 136.
It is configured to be covered with the head 140 of the. Further, a reinforcing core metal 142 is embedded along the cavity 134 so that the molding 136 is securely held in the cavity 134.
The cored bar 142 is continuously extended from the cored bar 122 embedded in the welt portion 116.

[0008]

[Problems to be Solved by the Invention]
In the case of Japanese Patent Publication No. 85, the molding 110 is first fixed to the outer panel 104, and then the glass run main body 1 is attached.
Since it is necessary to mount 14, the mounting work is complicated and the manufacturing cost becomes high. Particularly, in order to fix the molding 110 to the outer panel 104, the outer panel 10 made of metal is used.
Since it is necessary to previously form a hole into which the clip 112 is fitted, the number of working steps increases, and the clip 112
The number of parts will also increase by the amount of such fixtures.

In Japanese Utility Model Laid-Open No. 64-25916, it is necessary to embed a core metal 142 around the cavity 134 in the glass run main body 130 in order to fit the molding 136. The cost is high and the configuration is complicated.

An object of the present invention is to simply assemble the grass run main body and the molding to the door sash portion with a simple structure.

[0011]

In order to solve the above-mentioned problems, a door glass run according to the invention of claim 1 is a glass run mounting flange formed on an inner circumference of a door sash portion of an automobile so as to project toward an inner circumference side of an opening. A door glass run having a glass run main body to be mounted and a molding having a substantially U-shaped cross section which is supported by the glass run main body and opens toward an inner circumference of an opening, the glass run main body having a cross section fitted to a flange. A substantially U-shaped welt portion, a seal portion that is formed so as to project from the tip end side surface of the leg portion outside the vehicle compartment of the welt portion to the outside of the vehicle compartment, and the peripheral edge of the door glass contacts, and the outer circumference of the door of this seal portion. Formed integrally on the side,
The molding has a molding fitting portion that fits inside the molding, and the molding follows the shelf of the door panel that is bent from the flange to the outside of the vehicle compartment and holds it between the molding and the molding fitting portion. It is characterized in that it has a bottom portion and a projection portion that inclines toward the flange side from an end portion on the vehicle interior side of the bottom portion and projects toward the shelf portion, and the tip of the protrusion is in pressure contact with the shelf portion.

To mount the grass run of the first aspect of the invention on the door sash portion, the welt portion of the grass run main body, in which the molding is fitted to the molding fitting portion, may be fitted to the glass run mounting flange. As a result, the bottom of the molding is sandwiched between the shelf of the door panel and the molding mating portion of the door glass run body, and the protrusions are pressed against the shelf to firmly secure the molding and glass molding to the door sash. It can be assembled.

In the door glass run according to the second aspect of the present invention, the molding is integrally formed by variable extrusion, and the protrusion is a bent corner portion of the upper edge of the door sash portion, and the protrusion length thereof is relatively long. ing.

According to the second aspect of the present invention, the molding is favorably attached along the upper edge of the door sash without falling down toward the inner peripheral side of the opening at the bent corner portion of the upper edge of the door sash. The appearance quality is improved.

In the door glass run according to the third aspect of the present invention, concave grooves are formed on both sides of the molding fitting portion outside the vehicle compartment and on the inside of the vehicle compartment, respectively, and the molding is continuous with the end of the bottom vehicle exterior. , A decorative piece portion that engages with a groove on the outside of the vehicle compartment of the molding fitting portion and the outer surface is exposed to the outside of the vehicle compartment, and continuously projects to the opposite side of the protrusion from the end on the vehicle interior side of the bottom portion. And a locking piece portion that engages with the recess of the molding fitting portion on the vehicle interior side.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described. FIG. 2 shows a door glass run 1 according to the present invention.
3 is a cross-sectional perspective view showing 0, FIG. 3 is a side view of the door 2 to which the door glass run 10 is attached, and FIG.
It is sectional drawing which follows the -I line.

In the present embodiment, the door 2 is of a so-called press door type in which the door outer panel 4 and the door inner panel 5 including the door sash portion 3 are joined.
In the door sash portion 3, a joint flange on the inner peripheral side formed by joining the two panels 4 and 5 projects toward the inner peripheral side of the opening to form a glass run mounting flange 6.
The flange 6 is continuous along the inner circumference of the door sash portion 3, and is curved with an appropriate radius of curvature, for example, at the corner portion 3a at the upper edge of the door sash portion 3.

The door outer panel 4 is bent from the base end portion of the flange 6 to the outside of the vehicle compartment to form a shelf portion 4a facing the front end of the window glass 7, and the outer edge of the shelf portion 4a from the vehicle compartment outer side to the outer circumference of the door. It is bent towards.

As shown in FIG. 3, the door glass run 10 according to the present embodiment is arranged along the upper edge of the door sash portion 3, and the end portion of the corner portion 9 is formed by molding. The door sash portion 3 is integrally connected to a terminal portion of another door glass run 8 along the side portion of the door sash portion 3.

As shown in FIGS. 1 and 2, the door glass run 10 is a rubber glass run main body 11 integrally formed by extrusion, and is supported by the glass run main body 11 and separately extruded by variable extrusion. The molding 12 is made of synthetic resin.

The glass run main body 11 has a substantially U-shaped welt portion 15 in which a core metal 14 is embedded, and the welt portion 15
The hollow seal portion 16 additionally formed on the side surface of the front end portion of the leg portion 15a on the outside of the passenger compartment and the top side surface of the leg portion 15a on the outside of the passenger compartment of the welt portion 15 extending to the outside of the passenger compartment and pressed against the side surface of the windshield 7 The main seal lip 18 and the decorative lip 19 that extends from the top side surface of the leg portion 15b on the vehicle interior side of the welt portion 15 toward the vehicle interior are generally configured.
Further, on the outer peripheral side of the door of the hollow seal portion 16, the molding 12
The molding fitting portion 17 that fits inside the hollow is the hollow seal portion 1.
6 are formed integrally.

The welt portion 15 is to be fitted on the glass run mounting flange 6, and a total of three flange holding lips 20 are provided on the inside thereof, and the tip of the leg portion 15a extends from the flange 6 side. A protruding flange holding projection 21 is formed.

The hollow seal portion 16 is used for the door outer panel 4
Of the welt portion 15 is connected to the side surface of the leg portion 15a of the welt portion 15 via a base portion 16a. The hollow seal portion 16 is configured such that the upper end of the window glass 7 comes into pressure contact with the glass contact portion 22 formed on the inner peripheral side of the door.

In the glass run main body 11, one of the glass contact portion 22 and the flange holding lip 20 is made of sponge rubber, and the other portion is made of solid rubber, as shown in the figure.

The molding fitting portion 17 is integrally formed with the hollow seal portion 16 and is formed on the outer peripheral side of the door so that both side portions are relatively thick and the central portion is relatively thin. Recessed grooves 23 and 24 are formed on both side surfaces on the vehicle interior side and the vehicle interior side of the molding fitting portion 17 connected to the hollow seal portion 16.

The decorative lip 19 extends obliquely from the top side surface of the leg portion 15b on the vehicle interior side of the welt portion 15 toward the door sash portion 3, covers the welt portion 15, and has its tip at the door. Contact the inner panel 5.

On the other hand, the molding 12 has a bottom 30 which is a flat surface along the shelf 4a, a decorative piece 31 which is bent at a substantially right angle from the outer end of the bottom 30 toward the inside of the door, and the bottom. Three
It is formed in a substantially U-shape with the engaging piece portion 32 which is curved in an arc shape from the end portion on the vehicle interior side of 0 toward the inner peripheral side of the door. The bottom portion 30 has a protruding portion 36 that protrudes from the vehicle-inside end portion to the side opposite to the locking piece portion 32 and has its tip pressed against the shelf portion 4a.

The projecting portion 36 and the locking piece portion 32 are arranged in a substantially straight line so that they reinforce each other.

The bottom portion 30 includes a shelf portion 4a and a molding fitting portion 17
It is held between and. That is, the inner surface of the bottom portion 30 is in contact with the molding fitting portion 17, and at least a part of the outer surface is in pressure contact with the shelf portion 4a.

The decorative piece 31 has an engaging projection 31a formed on the inner surface of the tip thereof, and the engaging projection 31a engages with the groove 23 on the outside of the vehicle compartment of the molding fitting portion 17. On the other hand, in the locking piece portion 32, the curved inner surface thereof has a molding fitting portion 17
Is in contact with the curved side surface of the vehicle interior side, and its tip 3
2b engages with the groove 24 of the molding fitting portion 17 on the vehicle interior side.

A decorative film 34 is provided on the outer surface of the decorative piece portion 31 exposed to the outside of the vehicle compartment so as to cover substantially the entire surface thereof. Further, an auxiliary seal portion 35 is formed so as to project on the outer surface of the corner portion that is the boundary between the bottom portion 30 and the decorative piece portion 31. In the molding 12, the auxiliary seal portion 35 made of soft resin, the decorative film 34, and the other portion made of hard resin are integrally extrusion-molded by known variable extrusion.

The auxiliary seal portion 35 is formed in a substantially L-shaped cross section, the end portion of the one piece portion 35a along the corner portion of the molding 12 is connected to the end portion of the decorative film 34, and the one piece portion 3 is formed.
The tip of the other piece 35b standing upright from 5a is in pressure contact with the shelf 4a of the door outer panel 4.

The projecting portion 36 projects toward the shelf portion 4a while inclining to the flange 6 side, in other words, the molding 1
It projects from the corner on the inside of the passenger compartment in the shape of a leg that widens toward the end. The other piece 35b that comes into contact with the shelf 4a of the auxiliary seal portion 35 also has a shape that widens toward the end of the molding 12, and the other piece 35b and the protrusion 36 form a pair of legs. 12 is stably held on the door outer panel 4. The protrusions 36 are continuous in a strip shape as shown in FIG.

A V groove 37 having an acute angle is formed between the side surface of the protrusion 36 and the outer surface of the bottom portion 30 in a natural state. The protrusion 36 is formed in a long shape so as to be pressed against the shelf 4a with a margin, and is elastically deformed so as to slightly fall in a direction in which the angle γ of the V groove 37 increases when mounted.
Therefore, even if the relative distance between the molding 12 and the door inner panel 5 is slightly changed due to manufacturing variations, displacement during mounting, or the like, the tip of the protrusion 36 can be surely attached to the door outer panel 4.
It can be pressed against.

Further, the protrusion 36 located on the vehicle interior side of the molding 12 and the molding fitting portion 17 is pressed against the door outer panel 4, so that the other piece 35b of the auxiliary seal portion 35 located on the outside of the molding 12 of the vehicle interior. Is applied to the door outer panel 4 side. As a result, the sealing property of this portion is improved, and the other piece portion 35b is prevented from floating above the door outer panel 4.

Further, as shown in FIG.
The cross-sectional shape is continuously changed by so-called variable extrusion molding, and at the portion 36a attached to the bent corner portion 3a of the upper edge of the door sash portion, from the protrusion length l in the general cross-sectional portion shown by the imaginary line in FIG. , Its protruding length is relatively long.

At the corner portion 3a, the door glass run 10 itself is elastically deformed, and the relative positions of the shelf portion 4a of the door outer panel 4 and the bottom portion 30 of the molding 12 change in a direction away from each other. Since the protrusion length of the protrusion 36 is changed according to the change in the relative position,
The tip of the protrusion 36 surely comes into pressure contact with the door outer panel 4. As a result, the decorative piece portion 31 side of the mall 12 is not particularly inclined toward the inner peripheral side of the door at the corner portion 3a,
The appearance quality is improved.

When the molding 12 is attached to the grass run main body 11, the molding 12 is strongly pushed into the molding fitting portion 17 of the grass run main body 11 from the opening side thereof. As a result, the engaging protrusion 31a and the locking piece 32 of the decorative piece 31 are formed.
The tip end portions 32b of the molds ride over both sides of the molding fitting portion 17 and engage with the corresponding recessed grooves 23 and 24, so that the molding fitting portion 17 as a whole fits inside the molding 12.

To mount the door glass run 10 on the door sash portion 3, the welt portion 15 of the glass run body 11 is fitted on the flange 6. At this time, the protrusion 36 located at the end of the mall 12 on the vehicle interior side and the auxiliary seal portion 35 located on the outside of the vehicle press-contact with the shelf 4a of the door outer panel 4, and the bottom portion 30 of the mall 12 moves to the shelf 4a. And molding fitting part 1
It is sandwiched between 7 and 7 in a stable posture. As a result, not only the glass run main body 11 but also the mall 12 is closed by the door sash portion
Assembled to, the mounting workability is remarkably improved.

[0040]

As is apparent from the above description, according to the present invention, the welt portion of the grass run main body is simply fitted to the flange of the door sash portion, and the molding together with the glass run main body is assembled to the door sash portion. Installation workability is significantly improved.

[Brief description of drawings]

FIG. 1 is a cross-sectional view taken along line I-I of FIG. 3 showing an embodiment of a door glass run according to the present invention.

2 is a cross-sectional perspective view of the door glass run of FIG.

FIG. 3 is a side view of the door.

FIG. 4 is a sectional view showing an example of a conventional door glass run.

FIG. 5 is a sectional view showing another example of a conventional door glass run.

[Explanation of symbols]

 3 ... Door sash part 3a ... Corner part 4 ... Door outer panel 4a ... Shelf part 6 ... Glass run mounting flange 7 ... Wind glass 10 ... Door glass run 11 ... Glass run body 12 ... Mall 15 ... Welt part 15a ... Leg part 16 ... Hollow seal Part 17 ... Mold fitting part 23, 24 ... Recessed groove 30 ... Bottom part 31 ... Decorative piece part 32 ... Locking piece part 36 ... Projection part

Claims (3)

[Claims] 1. A glass run main body mounted on a glass run mounting flange formed on an inner circumference of a door sash of an automobile so as to project toward an inner circumference of the opening, and a glass run main body supported by the glass run main body and opened toward an inner circumference of the opening. A door glass run provided with a molding having a substantially U-shaped cross section, wherein the grass run main body has a welt portion having a substantially U-shaped cross section fitted to the flange, and a tip of a leg portion of the welt portion outside the vehicle compartment. A seal portion that is formed to project from the side surface of the compartment to the outside of the vehicle compartment, and a peripheral edge portion of the door glass contacts, and a molding fitting portion that is integrally formed on the outer peripheral side of the sealing portion and that fits inside the molding, The molding is along the shelf of the door panel bent from the flange to the outside of the vehicle compartment, and the bottom sandwiched between the shelf and the molding fitting portion, and the bottom. Projecting to the shelf portion inclined from the vehicle interior side end portion to the flange side,
A door-grass run, the tip of which is a protrusion that is in pressure contact with the shelf. 2. The molding is integrally molded by variable extrusion, and the projecting portion is a bent corner portion of an upper edge of the door sash portion, and the projecting length thereof is relatively long. The door glass run according to claim 1. 3. A groove is formed at both sides of the molding fitting portion on the outer side of the vehicle compartment and on both sides of the inner side of the vehicle compartment. While engaging with the groove on the outer side of the vehicle compartment of the portion, the outer surface of the decorative piece portion is exposed to the outer side of the vehicle compartment, and continuously projecting to the opposite side of the protruding portion, and the vehicle interior side end of the bottom portion, The door glass run according to claim 1, further comprising: a locking piece portion that engages with a recess on the vehicle compartment side of the molding fitting portion.