JPH0110254Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to an automobile door seal structure.

(Prior art) In general automobiles, rain rails are provided on the roof panel and front pillar of the vehicle body above the door to prevent rainwater from the outer panel from dripping into the interior or onto passengers when the door is opened. There is.

However, the installation of the rain rail has problems in that it impairs the smoothness of the roof panel or front pillar and also generates wind noise during high-speed driving.

Therefore, as shown in Japanese Utility Model Publication No. 56-24124, for example, the outer upper end of the door sash is extended upward to hide the rain rail, and a weather strip is installed on the rain rail to seal between it and the door sash. A seal structure with a tap has been proposed.

(Problem to be solved by the invention) However, in the above proposed structure, the mounting part for attaching the weather strip is formed on the rain rail that is welded to the vehicle body, so there are problems caused by dimensional errors in the welding process, etc. This increases the installation error of the weather strip, and also increases the width of the door sash.

In view of these points, the present invention provides a weather strip on the door sash that contacts the jam flange of the outer panel of the vehicle body when the door is closed, and also provides a molding along the roof line on the outer side of the outer panel. The molding constitutes a rain rail, and the drip rubber holding part integrally formed with this molding is located between the weather strip and the molding when the door is closed. By attaching a drip rubber that receives the drip rubber, the above-mentioned conventional drawbacks are solved, and the drip rubber is further miniaturized and the amount of protrusion toward the vehicle body when the door is opened is reduced.

(Means for Solving the Problems) In order to achieve the above object, the solution means of the present invention includes an outer panel of a vehicle body forming a door opening, a door sash attached to the door, and a door sash attached to the door sash. a weather strip that comes into contact with the jam flange portion of the outer panel when closed; and a molding attached to the outer side of the vehicle along the roof line of the outer panel;
A drip rubber is located between the weather strip and the molding when the door is closed, and the outside part of the outer panel has a lowered part for attaching the molding lowered from the roof line to the inside of the passenger compartment. On the other hand, the molding includes a molding body having a substantially U-shaped cross section and held by the lowered step part;
It consists of a drip rubber holding part that is integrally molded and extends from the end of the molding body on the inside side of the vehicle,
The outside portion of the molding body is provided along the roof line, and the tip of the outside portion of the molding body is located outside the vehicle with a predetermined distance from the bottom of the step-down portion. , and is located on the door opening side with a predetermined distance from the stepped part of the step lowering part, and the drip rubber has a base part attached to the drip rubber holding part of the molding, and extends downward from this base, and is located on the door opening side with a predetermined distance from the step part of the step lowering part. The lip is configured to have a lip that contacts the weather strip when the door is closed and bends toward the inside of the vehicle, and when the door is opened, the lip deforms so as to protrude to the outside of the vehicle beyond the molding body.

(Function) According to the present invention, when the door is closed, the weather strip comes into contact with the jam flange of the outer panel, and the tip of the drip rubber lip comes into contact with the weather strip, thereby preventing the vehicle from moving. It bends toward the interior, creating a double seal between the outer panel and door sash. Further, the extension surface from the roofline is substantially flat and continuous with the molding body and the door sash, and there are no protruding parts, thereby preventing wind noise from occurring at high speeds.

On the other hand, when the door is open, the weather strip separates from the jam flange of the outer panel, and the tip of the lip of the drip rubber also separates from the weather strip, releasing its deflected state and allowing the lip to open in its free state. protrudes to the outside of the vehicle from the molding body.

In this case, the outer part of the molding body is provided along the roof line, and the tip thereof is located on the outer side of the vehicle with a predetermined distance from the bottom of the lowered part. Specified distance from stepped part
Since the molding main body and the step lowering part constitute a rain rail. Therefore, rainwater from the roof panel flows from between the tip of the outside part of the molding body and the step of the lowered part to between the tip of the outside part of the molding main body and the bottom of the lowered part. The rainwater flows in the front and back direction through the gap between the two, and the rainwater that has passed over the molding body is received by the lip of the drip rubber and flows in the front and back direction, so that it flows from the upper edge of the door opening into the interior of the room or for passengers getting on and off the door. No dripping.

In addition, as described above, the rain rail is formed by the molding, and the rainwater that has passed over the molding is received by the drip rubber, so the drip rubber can be made smaller and the amount of protrusion of the drip rubber to the outside of the vehicle when the door is opened can be reduced. By reducing the size of the drip rubber, the width of the door sash can be reduced, increasing the degree of freedom in design. In addition, since the amount of protrusion of the drip rubber can be reduced, the amount of deformation when the door is opened and closed can be reduced and durability can be improved.
The contact relationship (such as where to contact the door) can be easily made, and the appearance when the door is opened is not significantly impaired.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings. FIG. 1 shows the seal structure in the upper part of the door 1. A roof rail 4 extending in the front-rear direction is provided on the side of a roof panel 3 forming the upper surface of the vehicle body 2, and the roof rail 4 is connected to the outer panel. 5 and an inner panel 6. This outer panel 5 forms the upper edge of a door opening 7 that is opened and closed by the door 1. Further, a molding mounting plate 8 is provided on the outer side of the vehicle on the outer panel 5, and a lowered part 20 that is lowered from the roof line of the roof panel 3 toward the inside of the vehicle is welded to the molding mounting plate 8. There is.

On the other hand, a door sash 9 is attached to the upper frame portion of the door 1, and a weather strip 10 is attached to the outer peripheral edge of the door sash 9. The indoor end of the weather strip 10 forms a jam flange 5a that forms the side surface at the upper edge of the door opening 7 of the outer panel 5 when the door is closed.
is configured to make contact with A launch channel 11 is attached to the inner edge of the door sash 9,
A door glass 12 is brought into contact with the launch channel 11.

Further, a molding 13 is attached to a step-down portion 20 fixedly supported by the molding attachment plate 8 in the vehicle outer side portion of the outer panel 5 by fitting. This molding 13 is connected to the lowered part 2
A molding body 13b having a substantially U-shaped cross section and held at 0
and a drip rubber holding portion 13a having a substantially mountain-shaped cross section and integrally molded and extending from the end portion of the molding body 13b on the vehicle interior side. The outer side portion of the molding body 13b is aligned with the extended surface of the roof panel 3 along the roof line.
The tip of the outer side portion of the molding body 13b is located on the outer side of the vehicle with a predetermined distance B from the bottom 20a of the lowered step portion 20, and the stepped portion 20b of the lowered step portion 20
It is located on the door opening side with a predetermined distance 〓A from .

A drip rubber 14 is attached to the molding 13, which is positioned between the weather strip 10 and the molding 13 when the door is closed. The drip rubber 14 has a base portion 14a that is fitted into the drip rubber holding portion 13a of the molding 13, and a lip 1 that extends downward from the base portion 14a.
4b, and the lip 14b contacts the weather strip 10 and bends toward the indoor side when the door is closed.
When the door is opened (see FIG. 2), the molding body 13b is deformed to protrude outward from the vehicle, and the tip of the lip 14b is bent upward to form a gutter-like upper surface.

FIG. 3 shows a seal structure in the upper front part of the door 1. A front pillar 15, which is disposed diagonally in the front part of the vehicle body 2, is formed by an outer panel 16 and an inner panel 17.
A windshield 18 is installed on the front side.

This outer panel 16 forms the front upper edge of the door opening 7 that is opened and closed by the door 1, and the outside part of the outer panel 16 is lowered from the roof line by a molding mounting plate 19. A stepped lowered portion 20 is formed, and the stepped lowered portion 2
A molding 13 having the same cross-sectional shape as that in FIG. 1 is attached to 0 by fitting.

The outer side portion of the molding main body 13b of the molding 13 is arranged along the outer surface of the front pillar 15.
The stepped portion 20 of the lowered step portion 20 is aligned with the extended surface of the roof panel 3, and the stepped portion 20 of the lowered step portion 20 is located at the tip of the roof panel 3.
0b and the bottom 20a for a while = A and B
is formed, and a drip rubber holding portion 1 is integrally formed on the interior side of this molding 13.
A drip rubber 14 similar to that shown in FIG. 1 is attached to 3a.

On the other hand, a weather strip 10 is attached to the door sash 9 of the door 1 in the same manner as shown in FIG. It is something that comes into contact with.

Next, to explain the operation of the above embodiment, when the door 1 is closed as shown in FIG. The tip of the lip 14b contacts the weather strip 10 and bends toward the interior of the vehicle, thereby creating a double seal between the outer panel 5 and the door sash 9. Furthermore, the extended surface of the roof panel 3 is flat and continuous with the molding body 13b and the door sash 9, and there is no protruding part, so that wind noise is prevented from occurring at high speeds.

On the other hand, when the door 1 is open as shown in FIG. The lip 14b in its free state protrudes outward from the molding body 13b.

In this case, the outer side portion of the molding body 13b is provided along the roof line, and its tip is located on the outer side of the vehicle with a predetermined distance 〓B from the bottom 20a of the lowered step portion 20, and Since it is located on the door opening side with a predetermined distance 〓A from the stepped portion 20b of the lowered step portion 20, this molding body 13
b and the step-down portion 20 constitute a rain rail. Therefore, rainwater flowing along the roof panel 3 flows between the tip of the outside part of the molding main body 13b and the stepped part 20b of the lowered step part 20. The rainwater flows into the gap between the bottom part 20a of the lowering part 20 and the bottom part 20a, flows in the front and back direction through the gap B, and the rainwater that has passed over the molding body 13b flows into the drip rubber 1.
Since the liquid is received by the lip 14b of No. 4 and flows in the front-rear direction, it does not drip from the upper edge of the door opening 7 into the interior of the room or onto passengers getting in and out.

Moreover, as described above, the rain rail is formed by the molding 13, and the rainwater that has passed over the molding 13 is received by the drip rubber 14.
It is possible to reduce the size of the door, and furthermore, it is possible to reduce the amount that the door protrudes to the outside of the vehicle when the door is opened. By reducing the size of the drip rubber 14, the width of the door sash 9 can be reduced, and the degree of freedom in design is improved. In addition, since the amount of protrusion of the drip rubber 14 can be reduced, the amount of deformation when the door is opened and closed can be reduced, improving durability. The storage structure and contact relationship such as where to contact the door 1) can be easily made, and the appearance when the door is opened is not significantly impaired.

Note that the front pillar 15 portion in FIG. 3 also has the same effect as the roof rail 4 portion.

(Effects of the invention) As explained above, according to the door seal structure of the invention, a molding is attached to the outer panel of the vehicle body along the roof line, this molding forms a rain rail, and a rain rail is formed integrally with this molding. The base of the drip rubber is attached to the drip rubber holding part, and the weather strip that contacts the outer panel when the door is closed is attached to the door sash, and the lip that extends downward from the base of the drip rubber touches the weather strip when the door is closed. By bending inward and deforming so as to protrude outward from the molding when the door is closed, the drip rubber attachment part can be formed accurately and easily during the molding process, and the drip rubber can be attached to the drip rubber attachment part easily. Easy and accurate
The relative positional relationship between the tip of the lip of the drip rubber and the molding can be set with high precision, the mounting dimensional error is small, and rainwater can be reliably prevented from dripping with the minimum amount of protrusion. Furthermore, it has various practical advantages such as improved sealing performance when the door is closed and improved exterior appearance of the vehicle.

In addition, the molding forms a rain rail,
Since the rainwater that has passed over the molding is received by the drip rubber, the drip rubber can be made smaller and the amount of its protrusion when the door is closed can be reduced. From this, we aim to improve design freedom by reducing the width of the door sash, improve durability by reducing the amount of protrusion when opening and closing the door, simplify the design of the drip rubber, and improve the appearance when the door is closed. It has the advantage of being able to

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a sectional view of the main part when the door is closed, showing the sealing structure for the roof rail in the upper part of the door; FIG. 2 is a sectional view of the same main part when the door is open; FIG. 3 is a sectional view of a main part showing a sealing structure for a front pillar in the upper front part of the door. DESCRIPTION OF SYMBOLS 1... Door, 2... Vehicle body, 3... Roof panel, 4... Roof rail, 5... Outer panel, 5a... Jam flange portion, 6... Inner panel, 7... Door opening, 9... Door sash, 10... weather strip, 13... molding, 13a... drip rubber holding part, 13b...
...Mall body, 14...Drits rubber, 14a
... Base, 14b ... Lip, 15 ... Front pillar, 16 ... Outer panel, 16a ... Jam flange section, 17 ... Inner panel, 20
... lowered part, 20a ... bottom, 20b ... step, A, B ... between.

Claims (1)

[Scope of Claim for Utility Model Registration] An outer panel of a vehicle body forming a door opening, a door sash attached to the door, and a weather strip attached to the door sash that contacts the jam flange of the outer panel when the door is closed. and a molding attached along the roof line to the outer part of the outer panel,
A dotsuri rubber is located between the weather strip and the molding when the door is closed, and the outside part of the outer panel has a lowered part for attaching the molding lowered from the roof line to the inside of the passenger compartment. On the other hand, the molding includes a molding main body having a substantially U-shaped cross section that is held by the step lowering part, and a drip rubber holding part that is integrally formed and extends from the end of the molding main body on the passenger compartment side. The outside part of the molding body is provided along the roof line, and the tip of the outside part of the molding body is located at a predetermined distance from the bottom of the lowered part to the outside of the car. Located in
and is located on the door opening side with a predetermined distance from the stepped part of the step lowering part, and the drip rubber has a base attached to the drip rubber holding part of the molding and extends downward from the base to close the door. A door seal structure for an automobile, characterized in that it has a lip that bends toward the inside of the vehicle when it comes into contact with a weather strip, and deforms so as to protrude outward from the molding body when the door is opened.