JPH0986302A - Rear roof structure for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rear roof structure device for an automobile preventing a roof garnish from being unhooked from a penetrating hole on a roof rear rail, by force pressing the back end part of the roof garnish downward. SOLUTION: This structure is constituted of a drip channel part 3 formed at the back end of a roof pannel 1, a roof rear rail 21 attached to the foresaid roof pannel 1, a molded ceiling 9 attached to the roof rear rail 21, and a roof garnish 23 which is held by a clip 25 onto the roof rear rail 21, situating at the front part of the drip channel 3 with a back end part 41 covering the drip channel portion 3 and the front edge of the roof garnish 39, covering the molded ceiling 9. The catching width of the clip 25 on the roof rear rail is designed larger in the back RR side than the front FR side, and the angle to the horizontal surface of the connecting part to connect the roof rear rail 21 to the penetrating hole 21b is designed larger in the front FR side than in the back RR side.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a rear ceiling structure for an automobile.

[0002]

2. Description of the Related Art As a rear ceiling structure for an automobile, a drip channel portion 3 formed at a rear end portion of a roof panel 1 as shown in FIGS. , A roof rear rail 7 arranged on the indoor side 5 of the roof panel 1, and the roof rear rail 7
A molded ceiling 9 disposed on the indoor side 5 of the vehicle, a rear end portion 1a covering the drip channel portion 3 and a front end portion 11b covering the molded ceiling 9 and the roof rear located in front of the drip channel portion 3. Through hole 7a of rail 7
The roof garnish 11 is held by the clip 13.

The drip channel portion 3 is attached to the roof panel 1 by a hinge (not shown) so as to be openable and closable.
Of the rainwater W or the like formed in the flange 1a to which the main body 17b of the backdoor 15 is locked, and the rainwater W forms a gap 19 between the roof panel 1 and the outer panel 15b of the back door 15.
Is invaded by.

As shown in an enlarged view in FIG. 7, the clip 13 is formed of a spring steel plate, and has claws 13b, 13 as engaging portions as engaging portions of the front and rear FR with respect to the center 13a.
c is formed uniformly and is in uniform pressure contact with the through hole 7a of the roof rear rail 7.

The position where the through hole 7a of the roof rear rail 7 is formed is originally provided at the center of the front and rear end portions 11a and 11b of the roof garnish 11, which is most preferable in terms of mounting strength, but the rear end portion 11a. Is a position covering the drip channel portion 3, in other words, around the drip channel portion 3 where the rainwater W or the like may flow, so that the rainwater W or the like does not enter the room 5. Since it is provided at a position apart from the drip channel 3, it is set on the front end portion 11b side.

[0006]

However, according to the conventional example, the weather strip 17 is attached to the flange 1a of the roof panel 1 after the roof garnish 11 is attached to the through hole 7a of the roof rear rail 7. Since the main body 17b is locked, the rear end portion 11a of the roof garnish 11 is pressed downward by the weather strip 17 at the time of mounting, and the moment is applied to the rear end portion 11a of the roof garnish 11 by being pressed. Is added,
From the through hole 7a of the roof rear rail 7 to the clip 13
There is a fear that the roof garnish 11 itself will come off.

With the opening and closing of the back door 15,
The lip portion 17a of the weather strip 17 is pressed by the inner panel 15a of the back door 15,
The main body 17b of the weather strip 17 presses the rear end portion 11a of the roof garnish 11 downward and is pressed, whereby the rear end portion 11a of the roof garnish 11 is pressed.
There is a fear that the clip 13 is disengaged from the through hole 7a of the roof rear rail 7 and the roof garnish 11 itself is disengaged.

Therefore, the present invention has been made in view of the above points, and an object of the present invention is to attach the roof garnish to the roof rear rail against the force of pressing the rear end portion of the roof garnish downward. Another object of the present invention is to provide a rear ceiling structure for an automobile, which makes it difficult to disengage from the through hole.

[0009]

In order to solve the above-mentioned problems, the invention of claim 1 has a drip channel portion formed at a rear end portion of a roof panel and an indoor side of the roof panel. A roof rear rail, a molded ceiling arranged on the indoor side of the roof rear rail, a rear end portion covering the drip channel portion, a front end portion covering the formed ceiling, and a portion located in front of the drip channel portion. In a rear ceiling structure for an automobile, which comprises a roof garnish held by a roof rear rail with a clip, the hanging amount of the clip with respect to the roof rear rail is such that the rear side is increased with respect to the front side and the roof rear is increased. It is characterized in that the angle formed by the engaging portion that engages with the through hole of the rail with respect to the horizontal plane is smaller on the rear side than on the front side. To.

Therefore, even if the rear end portion of the roof garnish is pressed from above by the drip channel portion, the clip is asymmetrical in the front-rear direction, that is, the amount of hanging on the roof rear rail is larger on the rear side than on the front side. It will be difficult to disengage from the roof rear rail.

Also, since the angle at which the clip is hooked on the roof rear rail is smaller on the rear side than on the front side and is closer to horizontal, the reaction force against the downward pulling force becomes large. It will be difficult to disengage from the roof rear rail.

A second aspect of the present invention is the rear ceiling structure for an automobile according to the first aspect, wherein the roof garnish and the clip impart elasticity urged upward to both ends of the clip, It is characterized in that the front and rear ends of the roof garnish are folded back and pressed from above the both ends of the clip.

Therefore, since elastic deformation of both ends of the clip is held by the front and rear ends of the roof garnish, reliable holding is possible.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

1 to 5 show a rear ceiling structure for an automobile according to a first embodiment of the present invention.

That is, the rear ceiling structure for an automobile has a drip channel portion 3 formed at the rear end portion of the roof panel 1.
A roof rear rail 21 arranged on the interior side 6 of the roof panel 1, a molded ceiling 9 arranged on the interior side 5 of the roof rear rail 21, and a rear end 23a covering the drip channel portion 3. A front garnish 23 covers the molded ceiling 9 and a roof garnish 23 held by a clip 25 in a through hole 21b of an inner panel 21a of the roof rear rail 21 positioned in front of the drip channel portion 3.

The drip channel portion 3 is a main body of the weather strip 17 so that the lip portion 17a is in pressure contact with an inner panel 15a of a back door 15 which is openably and closably attached to the roof panel 1 by a hinge (not shown). The rainwater W is introduced through a gap 19 between the roof panel 1 and the outer panel 15b of the back door 15 in a running channel for the rainwater W or the like formed on the flange 1a to which the 17b is locked.

As shown in an enlarged view in FIG. 3, the clip 25 is made of a spring steel plate coated with zinc phosphate and having a plate thickness of 0.6 mm and a hardness of HRC 48 to 53. Has a length of 2.3 mm each in the front and rear, and a tip portion 30 protruding 8 mm from the base portion 28 is formed in an inverted U shape having a radius of 2 mm.

Claws 29 and 31 as engaging portions are cut and raised from portions of the front side FR and the rear side RR of the portion located on the 0.5 mm base portion 28 side from the tip end portion 30.

In the front claw 29, the maximum protrusion portion 29a with respect to the center 27 has a protrusion amount M with respect to the center 25a.
Is 3.4 mm, and its free end 29b is located 1.6 mm with respect to the center 27.

In the rear claw 31, the maximum protrusion 31a with respect to the center 27 has a protrusion amount L with respect to the center 27.
Is 3.6 mm and its free end 31b is 2.5 mm from the center 27.

The maximum protruding portion 29a and the free end portion 29 are
From the angle α formed with the horizontal plane with b, the maximum protrusion 31
The angle β formed by a and the free end portion 31b with respect to the horizontal plane is formed to be small, and the maximum protruding portion 31a is the bite amount m of the maximum protruding portion 29a with the through hole 21b of the inner panel 21a of the roof rear rail 21. It is formed to be smaller than the biting amount n of.

In the clip 25, the hooking allowance of the front FR claw 29 to the rear RR claw 31 with respect to the through hole 21b of the inner rail 21a of the roof rear rail 21 is set to the inner rail 21a of the roof rear rail 21. It is pressed against each other as much as possible.

The position where the through hole 21b of the inner rail 21a of the roof rear rail 21 is formed is originally preferably provided at the center of the front and rear end portions 23a and 23b of the roof garnish 23 in terms of mounting strength.

However, the rear end portion 23a of the roof garnish 23 is located at a position covering the drip channel portion 3, in other words, around the drip channel portion 3 where the rainwater W or the like may flow. The through hole 21b of the inner rail 21a is provided at the front end portion 23b because it is provided at a position separated from the drip channel portion 3 so that the rainwater W or the like does not enter the room 5.
Set to the side.

As shown in FIGS. 2, 4 and 5, the roof garnish 23 and the clip 25 are elastically biased upward to both end portions 35 and 37 of the front and rear of the leg portion 33 of the clip 25. Add the roof garnish 23
The front and rear ends 39, 41 of the clip 25 are attached to the clip 25.
The caulking part 4 with a depth of 1 to 3 mm is aimed at a left and right LR width of 6 mm so as to be pressed from the upper sides of both end parts 35 and 37 of the
Hold at 3. The distance P between the crimping portions 43 is 25 mm.

As shown in FIG. 2, the tongue portion 17c of the weather strip 17 is in contact with the folded back end portion 41 of the roof garnish 23 so as to cover it.

With the structure of the above embodiment, the roof garnish 23 is formed by the drip channel portion 3.
Even if the rear end portion 41 of the clip 25 is pressed from above, the clip 25
Is asymmetrical in the front-rear direction, that is, the inner rail 21a of the roof rear rail 21 has a larger amount of margin for the rear side RR than the front side FR, so the through hole 21b of the inner rail 21a of the roof rear rail 21. Makes it difficult for the clip 25 to come off.

Further, the angle at which the clip 25 is hooked to the through hole 21b of the inner rail 21a of the roof rear rail 21 is such that the rear side RR is smaller than the front side FR and is closer to the horizontal, so that it is pulled downward. Since the reaction force against each other becomes large, the clip 25 is unlikely to come off from the through hole 21b of the inner rail 21a of the roof rear rail 21.

Further, both ends 35, 3 of the clip 25 are
Since the elastic deformation of No. 7 is held by the front and rear end portions 39, 41 of the roof garnish 23, reliable holding is possible.

[0031]

As is apparent from the above, according to the first aspect of the invention, the drip channel portion formed at the rear end portion of the roof panel and the roof rear rail arranged on the indoor side of the roof panel. A molded ceiling arranged on the indoor side of the roof rear rail, and a roof rear rail positioned in front of the drip channel portion while a rear end portion covers the drip channel portion and a front end portion covers the molded ceiling. In a rear ceiling structure for an automobile composed of a roof garnish held by a clip, a hanging amount of the clip with respect to the roof rear rail is such that the rear side is larger than the front side and a through hole of the roof rear rail is provided. The angle with respect to the horizontal plane formed by the engaging portion that engages with the rear side is smaller than the front side, Serial be pressed from above the rear end of the roof garnish by drip channel section, asymmetrical said clip back and forth, namely takes allowance to the roof rear rail is made of many rear than the front,
It will be difficult to disengage from the roof rear rail.

Further, since the angle at which the clip is hooked on the roof rear rail is smaller on the rear side than on the front side and is closer to horizontal, the reaction force against the downward pulling force becomes large. It will be difficult to disengage from the roof rear rail.

According to the second aspect of the present invention, the roof garnish and the clip impart elasticity to the both ends of the clip by urging the upper part so that the front and rear ends of the roof garnish are folded back and the clip of the clip is folded. Since it is pressed from above the both ends, in addition to the effect according to claim 1, since elastic deformation of both ends of the clip is held by the front and rear ends of the roof garnish,
Secure holding is possible.

As described above, it is possible to provide a rear ceiling structure for an automobile which makes it difficult for the roof garnish to be removed from the through hole of the roof rear rail against the force of pressing the rear end of the roof garnish downward.

[Brief description of drawings]

FIG. 1 is a cross-sectional explanatory view of a vehicle rear ceiling structure according to a first embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional explanatory view around the drip channel portion of FIG.

FIG. 3 is an enlarged cross-sectional explanatory view of a main part of the clip in FIG.

FIG. 4 is a perspective explanatory view of the roof garnish of FIG. 1.

5 is a partially cutaway perspective view of FIG. 4. FIG.

FIG. 6 is a cross-sectional explanatory view of a conventional rear ceiling structure for an automobile.

7 is a cross-sectional explanatory view corresponding to FIG. 3 in FIG.

[Explanation of symbols]

1 Roof Panel 1a Roof Panel Flange 3 Drip Channel 5 Interior 9 Molded Ceiling 17 Weather Strip 17a Weather Strip Lip 17b Weather Strip Main Body 21 Roof Rear Rail 21a Roof Rear Rail Inner Rail 21b Inner Rail Through Hole 23 Roof garnish 23a Rear end part of roof garnish 23b Front end part of roof garnish 25 Clip 27 Center of clip 29, 31 Claw 29a, 31a Maximum engaging part of claw 29b, 31b Free end part α, β Angle between maximum protrusion of claw and free end with respect to horizontal plane 33 Leg portion of clip 35, 37 Both front and rear ends of clip leg portion 39, 41 Folded front and rear end portions of roof garnish

Claims (2)

[Claims] 1. A drip channel portion formed at a rear end portion of a roof panel, a roof rear rail arranged on the indoor side of the roof panel, and a molded ceiling arranged on the indoor side of the roof rear rail. For a vehicle comprising a roof garnish, a rear end of which covers the drip channel portion, a front end of which covers the forming ceiling and which is held by a clip on the roof rear rail located in front of the drip channel portion. In the rear ceiling structure, the hanging amount of the clip with respect to the roof rear rail is such that the rear side is larger than the front side and an angle with respect to a horizontal plane formed by an engaging portion that engages with a through hole of the roof rear rail with respect to the front side. The rear ceiling structure for automobiles is characterized in that the rear side is made smaller. 2. The rear ceiling structure for an automobile according to claim 1, wherein the roof garnish and the clip impart elasticity urged upward to both ends of the clip, and front and rear ends of the roof garnish. A rear ceiling structure for an automobile, characterized in that the portion is folded back and pressed from above both ends of the clip.