JPH106779A - Sealing part structure of biparting rear door for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an upper T-shaped sealing part structure of a rear door out of biparting doors, free from a puddle and a water leakage, and provided with a fin part excellent in durability. SOLUTION: This sealing part structure is so constituted as to seal an interval between the upper edge of a body rear opening edge and the top of a symmetrical pair of biparting preceding and succeeding close doors 40. In this case, a fin part 2c gradually thinned toward the rear close door side that is elastically contacted with the rear surface of a horizontal hollow sealing part 4b of a body side weather strip 4 is projectingly installed in the upper part of a longitudinal weather strip attached to a free end stile of the proceding close door in the horizontal direction. A protuberant part 4c is installed in the horizontal follow sealing aprt 4b so as to make this sealing part 4b higher than an upper end edge 2d of the fin part 2c, and thus this sealing part structure is so constituted as to make an outdoor side surface 4e directly come into contact with this protuberant part 4c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seal portion structure of a rear door of an automobile.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 1 to 6, the following structure is used as a seal portion structure of a rear door of an automobile. That is, 10 is a body rear opening edge, 11 is a body side flange projecting from the body rear opening edge 10, and 1 is a body side weather strip attached to the body side flange 11, which is fitted to the body side flange 11. A U-shaped trim portion 1a and a horizontal hollow seal portion 1b integrally connected to the U-shaped trim portion 1a. Reference numerals 30 and 40 denote a pair of right and left front-closing doors and rear-opening doors which are openably and closably attached to right and left substantially vertical edges of the rear opening edge 10 of the body, respectively. Make contact

[0003] Reference numeral 2 denotes an inner weather strip attached to the free end vertical frame 31 of the front closed door 30, which is a substantially vertical U-shaped trim 2 fitted to a vertical flange 32 projecting in the horizontal direction.
and a substantially vertical hollow seal part 2b integrally joined to the substantially vertical U-shaped trim 2a, and the substantially vertical hollow seal part 2b is formed on a free end substantially vertical frame 41 of the rear closing door 40 and has a forwardly projecting ridge. It comes into contact with the part 42. Reference numeral 3 denotes a hollow sub-seal weather strip attached to a substantially vertical vertical frame 41 at the vertical free end of the rear closed door 40.
Elastic contact with the step formed in the step.

[0004] As shown in FIG. 4, a fin portion 2 c is formed on the upper part of the inner weather strip 2 so as to gradually decrease its thickness toward the rear door side and project in the horizontal direction. The portion where the fin portion 2c makes elastic contact is raised. Moreover, the upper edge 2d of the fin 2c is higher than the upper edge 1d of the weather strip 1 on the body side. Therefore, as shown in FIG. 6, the upper edge 2d is formed between the upper surface of the weather strip 1 on the body side and the inner surface of the fin 2c. The water W accumulates in the dent X to be formed, and as shown in FIG.
As shown in FIG. 7, there is a problem that water leaks to the indoor side from the triangular gap S generated between the body-side weather strip 1 and the rear closing door 40 at the front end.

In addition, a triangular gap S is used to prevent water leakage.
The tip of the fin 2c is made as thin as possible in order to fill or reduce the size of the fin, and the sponge rubber material is used as the material for the purpose of reducing the reaction force to fill the triangular gap S. Sometimes, the friction caused by following the peculiar advance / retreat trajectory overlaps, and the tip of the fin portion 2c is easily broken.
The gap S shown in FIG. 7 is enlarged, and the water leaks further as shown in FIG.

[0006]

The problem to be solved is that the above-mentioned conventional seal structure of the door after the double door of the automobile includes the upper surface of the body side weather strip 1 and the fin portion 2c.
The water W accumulates in the dent X formed between the inner surface and the inner surface of the vehicle and leaks water to the indoor side from the triangular gap S on both sides thereof. If the fin portion 2c is made thinner in order to open and close the door 40 after opening and closing, the tip portion is repeatedly broken due to repeated friction and water leakage increases, and the present invention has solved the above problem. An object of the present invention is to provide a structure of an upper seal portion of a door after a double door of an automobile, which has a fin portion that does not cause leakage, has high durability, and hardly breaks.

[0007]

Means for Solving the Problems The seal structure of the double door of the automobile according to the first invention is, as shown in FIGS. 1 to 3, 8 and 9, a rear opening edge 10 of the body.
Is a seal structure between the upper edge of the front door and the upper part of the pair of right and left double doors 30 and the upper part of the rear door 40. The upper part of the inner weather strip 2 attached to the free end vertical frame 31 of the front door 30 has a body. Horizontal hollow seal portion 4b of body side weather strip 4 attached to the upper edge of rear opening edge 10
The fin portion 2c, whose thickness is gradually reduced toward the rear closing door, which is to be in elastic contact with the rear surface, is projected in the horizontal direction,
A raised portion 4c is provided in the horizontal hollow seal portion 4b so that the horizontal hollow seal portion 4b is higher than the upper end edge 2d of the fin portion 2c, and the outdoor surface 4e of the raised upper portion 4c is directly elastically mounted with the inner surface of the rear closing door 40. It is configured so that

As shown in FIGS. 1 to 3, FIGS. 10 and 11, an upper edge portion of a rear opening edge portion 10 of the body, a pair of right and left sides, as shown in FIGS. And the upper edge of the body rear opening edge 10 above the inner weather strip 2 attached to the free end vertical frame 31 of the front closing door 30. A fin portion 2c having a thickness gradually reduced toward the rear closing door side to be elastically attached to the rear surface of the horizontal hollow seal portion 5b of the body side weather strip 5 attached to the portion is projected horizontally, and A lip 5e extending upward along the rear surface of the hollow seal portion 5b is protruded, and the lip 5e is configured so as to be in direct elastic contact with the inner surface of the rear closing door 40.

The seal structure of the rear door of the automobile according to the third invention is shown in FIGS. 1 to 3 and FIGS. 12 and 13.
As shown in the figure, a seal structure is provided between the upper edge portion of the body rear opening edge portion 10 and the upper portion of the pair of right and left double doors 30 and 40, and the free end vertical frame 31 of the front door 30.
Above the inner weather strip 6 attached to the rear closing door side of the body side weather strip 1 attached to the upper edge of the rear opening edge 10 of the body. The fin portion 6c, whose thickness is gradually reduced, is projected in the horizontal direction, and the thickness of the fin portion 6c is increased in a fan-shaped cross section downward.

According to the first and second inventions, the position of the upper edge 2d of the fin portion 2c is lower than the position of the upper edge 4d of the horizontal hollow seal portion 4b or the lip 5e of the horizontal hollow seal portion 5b. The sealing configuration at the side is the outdoor surface 4e of the horizontal hollow seal portion 4b or the lip 5e of the horizontal hollow seal portion 5b.
And the rear door 40, and the triangular gap S that has occurred on both sides of the fin portion in the conventional example can be eliminated, and water pools and water leakage can be prevented. Further, according to the third aspect, since the thickness of the lower portion of the fin portion 2c is increased, the durability against breakage due to repeated friction can be further enhanced.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 3 and FIGS. 8 to 1
3, a description will be given of an embodiment of a seal structure between the upper edge portion of the body rear opening edge 10 and the upper part of the pair of right and left double doors 30 and 40. The body-side flanges 4, 5, 1 protruded from the main body are body-side weather strips attached to the flange 11, and have substantially horizontal U-shaped trim portions 4 a, 5 a, 1 a fitted to the body-side flange 11. It comprises horizontal hollow seal portions 4b, 5b, 1b integrally connected to the trims 4a, 5a, 1a. A pair of right and left front-closing doors 30 and rear-closing doors 40, which are openably and closably attached to right and left substantially vertical edges of the body rear opening edge 10, respectively, are in direct contact with the body-side weather strips 4, 5, and 1.

Reference numeral 3 denotes a hollow sub-seal weather strip attached to the free end substantially vertical frame 41 of the rear closing door 40, which resiliently contacts the step formed on the free end vertical frame 31 of the front closing door 30. Reference numerals 2 and 6 denote inner weather strips attached to the vertical frame 31 at the free end of the closed door 30. The vertical U-shaped trim 2a is fitted to a vertical flange 32 projecting horizontally from the end of the vertical frame 31. , 6a and the vertical hollow seal portions 2b, 6 integrally connected to the substantially vertical U-shaped trims 2a, 6a.
b, and the vertical hollow seal portions 2b and 6b
0 free end, a forwardly protruding ridge 42 formed on a substantially vertical frame 41
And hit it.

Reference numerals 2c and 6c denote fins protruding horizontally above the inner weather strips 2 and 6, which gradually become thinner in the horizontal direction on the rear side of the rear closing door to form weather strips 4 and 5 on the body. 1 horizontal hollow seal portions 4b, 5b, 1
b is in elastic contact with the rear surface. As shown in FIGS. 8 and 9, in the first invention, the fin portion 2c is
b, a raised portion 4c is provided so as to cover the upper edge 4c.
d is higher than the upper end edge 2d of the fin portion 2c, and thereby the outdoor surface 4 of the raised portion 4c of the horizontal hollow seal portion 4b.
e and the inner surface of the rear door 40 are in direct elastic contact.

In the second invention, as shown in FIGS. 10 and 11, instead of raising the horizontal hollow seal portion of the body side weather strip attached to the upper edge portion of the body rear opening edge portion 10 of the first invention. A lip 5e extending upward along the rear surface of the horizontal hollow seal portion 5b, and being higher than the upper end edge of the fin portion 2c so as to cover the fin portion 2c. 40 is in direct elastic contact with the inner surface.

In the third aspect of the present invention, as shown in FIGS. 12 and 13, the thickness of the fin portion 6c is increased in a fan-shaped cross section in the downward direction in order to prevent breakage due to friction when opening and closing the rear closing door 40. is there.

According to the first and second aspects of the present invention, the position of the upper end edge 2d of the fin portion 2c is changed to the upper end edge 4d of the horizontal hollow seal portion 4b.
Alternatively, since the lip 5e is lowered from the position of the lip 5e of the horizontal hollow seal portion 5b, the sealing configuration at the upper end is the outdoor surface 4e of the horizontal hollow seal portion 4b or the lip 5 of the horizontal hollow seal portion 5b.
e and the rear door 40, and the triangular gap S generated on both sides of the fin portion 2c is eliminated, so that puddles and water leakage can be prevented. According to the third aspect, since the thickness of the lower portion of the fin portion 2c is increased, the durability against breakage due to repeated friction is further increased.

[0017]

[Effect of the Invention] Since the present invention is configured as described above, puddles and water leakage are eliminated, the durability of the fin portion 6c is increased, and water leakage does not occur even when used for a long time.

[Brief description of the drawings]

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

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

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a perspective view showing a conventional example.

FIG. 5 is a cross-sectional view of FIG.

6 is a longitudinal sectional view of FIG.

FIG. 7 is a front view showing a state of water leakage viewed from the inside of a vehicle in a conventional example.

FIG. 8 is a perspective view showing the first embodiment of the present invention.

FIG. 9 is a longitudinal sectional view of FIG.

FIG. 10 is a perspective view showing a second embodiment of the present invention.

11 is a longitudinal sectional view of FIG.

FIG. 12 is a perspective view showing a third embodiment of the present invention.

FIG. 13 is a perspective view of a main part of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body side weather strip 1a Substantially horizontal U-shaped trim part 1b Horizontal hollow seal part 1d Upper edge 2 Inner weather strip 2a Substantially vertical U-shaped trim 2b Vertical hollow seal part 2c Fin part 2d Upper line 3 Sub-sealed weather strip 4 Body Side weather strip 4a Substantially horizontal U-shaped trim part 4b Horizontal hollow seal part 4c Upper part 4d Upper edge 4e Outdoor surface 5 Body side weather strip 5a Substantially horizontal U-shaped trim part 5b Horizontal hollow seal part 5e Lip 6 Inner weather Strip 6a Trim part 6b Vertical hollow seal part 6c Fin 10 Body rear opening end 11 Body side flange 30 Front closed door 31 Vertical frame 32 Vertical flange 40 Rear closed door 41 Free end substantially vertical frame 42 Forward ridge S Gap X recess W water

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

Claims (3)

[Claims] An upper edge of a rear opening edge of a body, a pair of right and left double doors, and a rear door (4).
0) The structure of the seal between the upper part and the front closed door (3
0), on the upper part of the inner weather strip (2) attached to the free end vertical frame (31), the rear opening edge (1) of the body.
0) A fin portion (2c) of which thickness is gradually reduced toward the rear closing door side, where the fin portion (2c) is brought into elastic contact with the rear surface of the horizontal hollow seal portion (4b) of the body side weather strip (4) attached to the upper edge portion. ) In the horizontal direction, and a raised portion (4c) is provided on the horizontal hollow seal portion (4b) such that the horizontal hollow seal portion (4b) is higher than the upper edge (2d) of the fin portion (2c). A seal structure for a double door of an automobile, wherein the exterior surface (4e) of the raised portion (4c) is in direct elastic contact with the inner surface of the rear door (40). 2. An upper edge portion of a body rear opening edge (10), a pair of right and left double doors (30) and a rear door (4).
0) The structure of the seal between the upper part and the front closed door (3
0), on the upper part of the inner weather strip (2) attached to the free end vertical frame (31), the rear opening edge (1) of the body.
0) The fin portion (2c), which is elastically attached to the rear surface of the horizontal hollow seal portion (5b) of the body side weather strip (5) attached to the upper edge portion and whose thickness is gradually reduced toward the rear closing door side. ) In the horizontal direction, and a lip (5e) extending upward along the rear surface of the horizontal hollow seal portion (5b). The lip (5e) is directly in contact with the inner surface of the rear door (40). The seal structure of the door after the door is opened so that it comes into contact with the car. 3. An upper edge portion of a body rear opening edge (10), a pair of right and left double doors (30) and a rear door (4).
0) The structure of the seal between the upper part and the front closed door (3
0), on the upper part of the inner weather strip (6) attached to the free end vertical frame (31), the rear opening edge (1) of the body.
0) A fin portion (6c) of which the thickness is gradually reduced toward the rear closing door side to be elastically contacted with the rear surface of the horizontal hollow seal portion (1b) of the body side weather strip (1) attached to the upper edge portion. ) Protruding horizontally and the thickness of the fin portion (6c) is increased in a fan-shaped cross-section toward the lower side.