JPH09309339A - Sealing structure of bi-parting doors for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the sealing structure for the upper and lower end parts of weather strips for the bi-parting doors of an automobile, which are elastically in contact with the surfaces of the weather strips at the side of a body. SOLUTION: An inner weather strip 60 and a sub-seal weather strip 50 are provided in parallel for the inner and outer sides of a car respectively at the vertical free end peripheral part of a tip closed door frame member so as to be combined with each other at the upper and lower end parts, fin parts 63 are projected out of the upper and lower end parts of the inner weather strip 60 in the radial direction of each door, a core member frame 70 where a car inner side core member 71 and a car outer side core member 72 are combined integrally with each other by a horizontal bridge 73, which are capable of increasing stiffness, are buried in the upper and lower end parts of the sub-seal weather strip 50 and the inner weather strip 60, and a portion where the car outer side core member 72 of the sub-seal weather strip 50 is buried in, is fastened in the tip closed door frame with a clip 74.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a seal structure for a double door of an automobile.

[0002]

2. Description of the Related Art Conventionally, as a sealing structure for upper and lower ends of a double door, as shown in FIGS. 1 to 3, the following structure has been used. That is, 10 is a body opening edge portion, 11 is a body side flange portion protruding from the body opening edge portion 10, 20 is a body side weather strip attached to the body side flange portion 11, and the body side flange portion 11 The U-shaped trim portion 21 fitted to the U-shaped trim portion 21 and the hollow seal portion 22 integrally connected to the U-shaped trim portion 21, and a flat surface 23 is formed at the upper and lower centers.

Reference numerals 30 and 40 denote a pair of front-closing doors and rear-closing doors, which are attached to the body opening edge portion 10 so as to be openable and closable, and inner peripheral edge portions thereof are in elastic contact with the body side weather strip 20. Reference numerals 31 and 41 denote vertical frames at the free ends of the doors 30 and 40. Further, reference numeral 42 denotes a rear closing door end portion that is provided so as to be flush with the outer end surface of the rear closing door frame 41, and the outer surface thereof is substantially flush with the outer end surface of the first closing door frame 31.

Reference numeral 60 denotes an inner weather strip attached to the vertical free end portion of the first-closing door 30, which is a first-closing door frame 31.
From the vertical U-shaped trim portion 61 fitted to the vertical flange portion 32 protruding from the tip of the vertical radial portion of the door, and the vertical hollow seal portion 62 integrally connected to the vehicle outside surface of the vertical U-shaped trim portion 61. The vertical hollow seal portion 62 is elastically contacted with the end surface of the rear closing door frame 41 on the inner side of the vehicle.

As shown in FIGS. 4 to 8, at the upper and lower ends of the vertical U-shaped trim portion 61 of the inner weather strip 60, the fins 6 are gradually thinned toward the rear closing door.
As shown in FIGS. 4 and 7, the inner weather strip 60 and the sub-seal weather strip 50 protruding from the fins 63 are integrally formed with the connecting portion 80 interposed therebetween. Connected to.

In adjusting the mounting variation of the fin portion 63 and preventing the deviation, displacement prevention in the inside and outside directions of the vehicle is performed respectively.
As shown in FIGS. 6 and 7, by fitting the vertical U-shaped trim portion 61 to the flange portion 32 and preventing the door from being displaced in the radial direction, the sub-seal weather strip 50 is closed at the front door frame 3.
The clip 74 was fastened to the first clip hole 55.

However, since the clip mounting portion of the sub-sealing weather strip 50 and the vertical U-shaped trim portion 61 of the inner weather strip 60 have low rigidity, they are indicated by an arrow M in FIG. 8 while the opening and closing of the rear closing door 40 is repeated. As described above, there is a problem that the fin portion 63 is displaced from the initial fixed position and the water 85 leaks.

[0008]

In the conventional double door that opens, the fin 63 is displaced from the initial fixed position and water leaks as the rear door 40 is repeatedly opened and closed, as shown in FIG. Accordingly, the present invention provides a seal structure for a double door that solves the above problems.

[0009]

As shown in FIGS. 1 to 5 and FIGS. 9 to 13, a first aspect of the present invention is arranged in parallel on the inside and the outside of a front-closing door frame 31 and has upper and lower sides. Of the inner weather strip 60 and the sub-seal weather strip 50 connected at the ends, the fins projecting in the upper and lower ends of the inner weather strip 60 in the radial direction of the door to make elastic contact with the surface of the body side weather strip 20. 63 is a structure for fixing upper and lower ends of a weather strip of a double-door double door that is configured to prevent a shift of 63, and is an attachment portion of the upper and lower ends of the inner weather strip 60 and the sub-seal weather strip 50 to the closed door frame 31. A core material frame 70 in which an inner core material 71 and an outer core material 72 are integrally connected to each other by a horizontal bridge 73 is embedded in each of the above, and a sub seal window A portion of the outer strip 50 in which the outer core material 72 is buried is fastened to the front closing door frame 31 with a clip 74.

In the second aspect of the invention, in addition to the structure of the first aspect of the invention, horizontal flange portions 35 are provided at the upper and lower ends of the closed door frame 31.

According to the first aspect of the invention, the embedded core material frame 70 is used.
The rigidity is increased by the above, and the portion in which the core material frame 70 is embedded is fixed to the closed door frame 31 by the clip 74, so that the fin portion 63 is strongly fixed to the closed door frame 31 and the door of the fin portion 63 is closed. Is suppressed in the radial direction, and even if the rear closing door 40 is repeatedly opened and closed for a long period of time, the deviation does not occur. Further, according to the second invention, by the horizontal flanges 35 vertically provided at the upper and lower ends of the closed door frame 31,
The displacement of the fin portion 63 in the front-rear direction is also suppressed.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIGS. 1 to 5 and FIGS.
Is a body side flange portion projectingly provided on the peripheral edge of the body opening edge portion 10, and reference numerals 30 and 40 are a pair of double-opening front and rear doors that are openably and closably attached to the body opening edge portion 10. A rear closing door frame 41 and an L-shaped first closing door frame 31 are formed at the edges. Reference numeral 20 denotes a body-side weather strip attached to the body-side flange portion 11, which is a U-shaped trim portion 21 fitted to the body-side flange portion 11 and a hollow seal portion integrally connected to the U-shaped trim portion 21. 22 and the door 30,
It is adapted to make elastic contact with the peripheral portion of 40.

Reference numeral 50 denotes a hollow sub-seal weather strip attached to a step portion on the vehicle outer side of the front-closing door frame 31 of the front-closing door 30, and reference numeral 60 denotes an inner weather strip juxtaposed on a vertical free end edge portion of the front-closing door 30. The sub seal weather strip 50 and the inner weather strip 60
And, as shown in FIGS. 4 and 9, are integrally connected at the upper and lower ends. The sub-seal weather strip 50 is elastically contacted with the inner surface of the rear door end portion 42 which is flush with the outer end surface of the rear door frame 41 and protrudes in the radial direction of the door.

The inner weather strip 60 is integrated with the vertical U-shaped trim portion 61 and the vertical U-shaped trim portion 61 fitted to the vertical flange portion 32 protruding from the front end of the closed door frame 31 in the radial direction of the door. Hollow seal 62 bonded to
The hollow seal portion 62 is elastically contacted with the end surface of the rear closing door frame 41 on the inner side of the vehicle. Further, near the upper and lower ends of the inner weather strip 60, fins 63 are provided so as to project in the radial direction of the door. The fins 63 are gradually thinned toward the rear closing door to prevent the weather. It is adapted to make elastic contact with the surface of the hollow seal portion 22 of the strip 20. In FIG. 5, the strip-shaped parallel lines indicate the contact seal surfaces.

Further, at the upper and lower end portions of both weather strips 50 and 60 which are fixed to the closed door frame 31, a core material frame 70 having the following structure is embedded in order to increase the rigidity thereof. That is, in FIGS. 9 to 13, reference numeral 71 denotes an inner core material embedded in the U-shaped trim portion 61 of the inner weather strip 60, which has a U-shaped cross section and is made of resin or stainless steel. Reference numeral 72 denotes a vehicle-outer side core material embedded in opposite portions of the base portion of the sub-seal weather strip 50, which is also made of resin or stainless steel. 7
Reference numeral 3 denotes a horizontal bridge that integrally connects both core members 71 and 72, and is embedded in a connecting portion between the inner weather strip 60 and the sub-sealing weather strip 50.
Further, the portion of the sub-seal weather strip 50 in which the vehicle interior core material 71 is embedded is fixed to the first-closed door frame 31 with a clip 74. Further, as shown in FIG. 14, horizontal flange portions 35 for suppressing vertical displacement of the fin portions 63 are provided at upper and lower ends of the closed door frame 31.

The operation will be described. The rigidity is increased by embedding the core material frame 70, and the portion in which the core material frame 70 is embedded is fastened to the first closing door frame 31 with the clip 74. Therefore, the fin portion 63 is strongly fixed to the first closing door frame 31. Even if the opening and closing of the rear closing door 40 is repeated for a long period of time, the deviation of the fin portion 63 in the radial direction of the door is suppressed. Further, since the horizontal flange portions 35 are provided at the upper and lower ends of the closing door frame 31, the fin portions 6
The deviation in the front-back direction of 3 is suppressed.

Further, although the rear door of the double door is described as the embodiment, the same can be applied to the side door of the double door as well.

[0018]

EFFECTS OF THE INVENTION Since the present invention is configured as described above, the fin portion 63 is strongly fixed to the closing door frame 31, and the displacement in the vertical direction and the vehicle width direction is suppressed. Therefore, the rear door 4
Even if the opening and closing of 0 is repeated for a long period of time, the fin 63 is not displaced, and water leakage into the vehicle is prevented.

[Brief description of drawings]

FIG. 1 is a rear perspective view of an automobile having a double door.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG.

FIG. 4 is a rear view showing the skeleton of a weather strip.

5 is a perspective view showing a main part of FIG. 4. FIG.

FIG. 6 is a perspective view showing a main part of a front-closing door frame in a conventional example.

7 is a perspective view showing a state in which an inner weather strip and a sub-sealing weather strip are attached to the frame of FIG.

FIG. 8 is a perspective view showing displacement and water leakage of a fin portion of a conventional example.

FIG. 9 is a perspective view showing an embodiment of the present invention.

10 is a cross-sectional view corresponding to CC of FIG. 1 in which the embodiment example of FIG. 9 is implemented, but a cross-section of a body side weather strip is shown on the left side of the drawing.

FIG. 11 is a plan view of a core material frame.

FIG. 12 is a rear view of the core frame.

FIG. 13 is a right side view of FIG.

FIG. 14 is a perspective view showing a main part of a front-closing door frame in another embodiment of the present invention.

[Explanation of symbols]

 10 Body Opening Edge 11 Body Side Flange Part 20 Body Side Weather Strip 21 U-Shaped Trim Part 22 Hollow Seal Part 23 Flat Surface 30 First Closing Door 31 First Closing Door Frame 32 Vertical Flange 35 Horizontal Flange Part 40 Rear Closing Door 41 Rear Closing Door Frame 42 Rear closing door end 50 Sub seal weather strip 55 Clip hole 60 Inner weather strip 61 Trim part 62 Hollow seal part 63 Fin part 70 Core material frame 71 Car interior core material 72 Car exterior core material 73 Horizontal bridge 74 Clip 75 Clip hole 80 Connection part 85 water

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yukihide Hamajima 25 Araike, Yoshiwara-cho, Toyota-shi, Aichi

Claims (2)

[Claims] 1. An inner weather strip (60) and a sub-seal weather strip (50) which are arranged side by side on the inside and outside of the front-closed door frame (31) and are connected at their upper and lower ends, respectively. Fins (6) protruding from the upper and lower ends of the weather strip in the radial direction of the door to make elastic contact with the surface of the body side weather strip (20).
3) It is a structure for fixing the upper and lower ends of the weather strip of the double door after opening the double door, which is configured to prevent the deviation, and is used for attaching the upper and lower ends of the inner weather strip and the sub-seal weather strip to the closed door frame. The core frame (70) in which the inner core material (71) and the outer core material (72) are integrally connected by a horizontal bridge (73) is embedded, and the outer core material of the sub-seal weather strip is embedded. A seal structure for a double door of an automobile, characterized in that the clipped portion (74) is used to fasten the closed part to the door frame. 2. The inner of the inner weather strip (60) and the sub-seal weather strip (50), which are arranged side by side on the inside and outside of the front-closing door frame (31) and connected at the upper and lower ends, respectively. Fins (6) protruding from the upper and lower ends of the weather strip in the radial direction of the door to make elastic contact with the surface of the body side weather strip (20).
3) A structure for fixing the upper and lower ends of a weather strip of a double door with a structure configured to prevent the deviation of 3), in which the upper and lower ends of the inner weather strip and the sub-seal weather strip are attached to the closing door frame. The core material frame (70) in which the vehicle interior core material (71) and the vehicle exterior core material (72) are integrally connected by the horizontal bridge (73) is embedded, and the vehicle exterior core material of the sub seal weather strip is embedded. A seal structure for a double door of an automobile, characterized in that a clip (74) is used to fasten a portion to the front-closing door frame, and horizontal flange portions (35) are provided at the upper and lower ends of the front-closing door frame.