JP4153836B2 - Opening / closing body drain structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a drainage structure for an opening / closing body that is an opening / closing body that covers a predetermined opening formed in a vehicle body so as to be openable and closable, and is formed by joining at least peripheral portions of an inner panel and an outer panel.
[0002]
[Prior art]
As is well known, an opening / closing body such as a door that covers a predetermined opening formed on a vehicle body of an automobile or the like is generally an inner plate member (inner panel) and an outer plate member (outer panel). A space portion (panel space) is formed between them, and the peripheral portions and the vicinity of both panels are joined together. The inner panel facing the vehicle interior is generally covered with a cover body (interior trim) made of synthetic resin, for example.
[0003]
For example, in a vehicle provided with an opening that opens rearward at the rear end of the vehicle body, it is called a so-called lift gate, tail gate, rear gate, or back door that covers the opening of the rear end of the vehicle body so that it can be opened and closed in the vertical direction. An opening / closing body (hereinafter, these opening / closing bodies are collectively referred to as “tailgate”) is provided, and the tailgate joins at least the peripheral portions of the inner panel and the outer panel as described above, A panel space is provided between the two. In recent years, as for such a tailgate, the inner and outer panel members made of synthetic resin are being put into practical use.
[0004]
As is well known, such an opening / closing body is usually provided with a handle (so-called outer handle) for performing an opening / closing operation, and an opening for attaching the outer handle is formed in the outer panel. In this case, a predetermined amount of gap (that is, a gap required to rotate the handle) is required between the attached outer handle and the specific peripheral edge of the opening for the handle operation. It is structurally very difficult to completely seal (seal) the mounting portion of the liquid crystal.
[0005]
The opening / closing body is provided with a key cylinder for locking and unlocking, and an opening for attaching the key cylinder is formed in the outer panel. Also in this case, it is difficult to completely seal the key cylinder mounting portion (that is, between the outer periphery of the key cylinder and the periphery of the opening), and even if it can be completely sealed, the key cylinder Since the key hole is provided on the outer end surface of the key cylinder, the entire key cylinder cannot be completely sealed.
[0006]
As described above, there are parts that cannot be sealed completely in the outer panel of the opening and closing body of the vehicle, but in the completed state where the inner panel and outer panel are assembled and their peripheral parts are joined together, even during heavy rainfall, etc. The rainwater does not enter the panel space.
However, for example, when water is splashed from an unexpected direction, such as during a car wash, water may enter the panel space of the opening / closing body from the outer handle mounting portion or the key cylinder mounting portion.
[0007]
In this way, if water enters and accumulates in the panel space of the opening and closing body, when the opening and closing body is opened, the water that has accumulated in the panel space will drip from the lower end of the opening and closing body, Problems such as discomfort to the user occur. In particular, in the case of a tailgate that opens and closes the opening at the rear end of the vehicle body, when the tailgate is opened upwards, if water falls from the lower end of the tailgate, the operator's clothes, loads, etc. There was a problem of getting wet indoors.
[0008]
In relation to such a problem, for example, in Patent Document 1, in an automobile door in which a key cylinder is provided on an outer panel, an inner panel is formed by adjacent first and second inner panels, and water in the panel space is discharged. An automobile door with a drainage function is disclosed in which drainage members for drainage are disposed across the connecting portions of both inner panels.
Further, for example, Patent Document 2 includes a recess that is positioned opposite to the end of the key cylinder inside the vehicle interior when the door is opened, and a guide portion that guides water to the outside of the vehicle when the door is closed. An automobile back door drainage device is disclosed in which a cover plate that covers the periphery of the connecting portion with the rod from the vehicle interior side is provided inside the back door.
[0009]
[Patent Document 1]
Japanese Patent No. 3214323 [Patent Document 2]
Japanese Patent No. 3340386
[Problems to be solved by the invention]
When the water accumulated in the panel space of the opening / closing body is discharged outside the vehicle, it is generally discharged from the drainage opening provided in the part corresponding to the lower end portion of the panel space, but the lower end of the panel space of the opening / closing body Since the portion constituting the portion is usually formed substantially horizontally, there is a problem that it is difficult to smoothly drain the water accumulated inside to the outside of the vehicle.
On the other hand, as disclosed in Patent Document 1 and Patent Document 2 described above, directly from the location where water enters the panel space of the opening / closing body, such as the outer handle mounting portion and the key cylinder mounting portion, to the drainage opening. It is conceivable to guide water, but in this case, there is a problem that the structure is actually complicated and the manufacturing cost is high.
[0011]
In particular , depending on the vehicle model, there is an air vent hole in the inner panel as an air extractor that can guide the air in the passenger compartment to the outside of the vehicle. In the case where the vehicle interior and the panel space are communicated with each other, water may enter the panel space of the opening / closing body through the air vent hole during car washing. Also in this case, there is a problem that it is difficult to smoothly drain the water accumulated in the panel space to the outside of the vehicle.
[0012]
The present invention has been made in consideration of the above technical problems, in particular, the water accumulated entering from the air vent hole to open closed field of panel space, ensures a relatively simple configuration can be discharged to the outside of the vehicle The purpose is to be able to.
[0017]

[Means for Solving the Problems]

For this reason, the drainage structure of the opening / closing body according to the present invention is a drainage structure of the opening / closing body that is configured by joining at least the peripheral portions of the inner panel and the outer panel and covers a predetermined opening formed in the vehicle body so as to be openable and closable. Then, in the panel space formed between the inner panel and the outer panel, it penetrates from the outside through the air vent hole to a location facing the air vent hole provided in the inner panel for releasing the air in the vehicle interior to the outside. A water receiving portion for receiving the incoming water is provided, and a guide path for guiding water from the water receiving portion to the lower end side of the panel space is provided in the panel space, while the lower end side of the panel space is provided with the above-mentioned It is characterized in that a discharge hole for discharging the water guided by the taxiway to the outside is formed.
In this case, it is preferable that the guide path includes a guide rib formed integrally with the inner panel and extending from the water receiving portion to at least the vicinity of the discharge hole.
[0018]
In particular , it is more preferable that both the inner panel and the outer panel are made of synthetic resin, and the guide rib is integrally formed with the inner panel.
In the above case, more preferably, the opening / closing body is a tailgate that covers the opening at the rear end of the vehicle body in an openable / closable manner.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the case where the embodiment of the present invention is applied to a drainage structure of a tailgate as an opening / closing body that covers an opening formed at the rear of a vehicle body and opening rearward so as to be opened and closed in the vertical direction is taken as an example. A detailed description will be given with reference to the accompanying drawings.
1 and 2 are front explanatory views showing an outer panel and an inner panel of the tailgate of the automobile, respectively. FIG. 3 is a front explanatory view showing a part of the lower part of the inner panel in FIG. 2 in an enlarged manner. Each of these explanatory diagrams schematically shows the tailgate as viewed from the rear of the vehicle when the tailgate is attached to the vehicle body.
[0020]
The tailgate is formed by combining an inner plate member 10 (inner panel) and an outer plate member 20 (outer panel) having a predetermined shape and size, and joining the peripheral portions of the panels 10 and 20 and the vicinity thereof. , 20 having a space S1 (panel space: see FIGS. 4 and 5 described later). A rear window glass (both not shown) is supported by a central opening of the tailgate (specifically, a central opening 20H of the outer panel 20) via a seal member.
[0021]
As can be seen from FIG. 1, a central recess 21 that is recessed toward the inside of the vehicle body is formed at a substantially central portion of the lower portion of the outer panel 20 (a portion below the central opening 20H for the rear window glass). A vehicle license plate (so-called number plate) is attached to the predetermined area 21.
Further, a key cylinder opening 29 for attaching a key cylinder 36 (see FIG. 8 described later) is formed at a predetermined position of the central recess 21. Further, lamp mounting portions 22 are provided on the left and right sides of the central recess 21. The inner panel 10 is also provided with a lamp mounting portion 12 corresponding thereto.
[0022]
Both the inner and outer panels 10 and 20 are more preferably made of synthetic resin as a material, and the peripheral edge and the vicinity thereof are joined using, for example, an adhesive.
As a synthetic resin material for the inner panel 10, for example, a polypropylene (PP) resin containing about 40% glass reinforcing fiber was used. Further, as the synthetic resin material of the outer panel 20, a resin material made of polycarbonate (PC) resin and acetylnitrile / butadiene / styrene (ABS) resin as raw materials was used. Further, an adhesive based on urethane resin was used.
[0023]
4 and 5 are cross-sectional explanatory views taken along lines Y4-Y4 and Y5-Y5 in FIG. 3, respectively. As shown in these drawings, a cover body 30 (inner cover) that covers the vehicle interior side of the inner panel 10 is disposed on the inner side of the inner panel 10 below the central opening 10H for the rear window glass. It is installed.
[0024]
The inner cover 30 serves as a so-called interior trim for the portion covered with the cover 30, and is assembled to the inner panel 10 from the vehicle interior side. Are fastened to the inner panel 10, thereby having a space S <b> 2 (cover space) between the both 10 and 30 and being fixed to the inner panel 10. The inner cover 30 is also made of synthetic resin, and is molded using, for example, PP resin as a material.
[0025]
The inner cover 30, the resin materials of the inner and outer panel members 10 and 20, and the adhesive that joins the inner and outer panel members 10 and 20 are limited to those exemplified above. However, it will be appreciated that a variety of other suitable materials can be used.
[0026]
Although not specifically shown, a pair of hinge units are fixed to the rear part of the vehicle body on the rear end side of the vehicle body roof and extend in the vehicle width direction above the rear header. The upper end side of the tailgate 1 is attached to the rear end portion of the vehicle body roof. Thus, the tailgate 1 is supported by the rear end portion of the vehicle body roof so as to be rotatable in the vertical direction so as to cover the opening at the rear of the vehicle body so as to be opened and closed in the vertical direction.
[0027]
As can be clearly seen from FIG. 4, a handle opening 23 for attaching the outer handle 31 of the tailgate 1 is formed at the upper end of the central recess 21 of the outer panel 20, and the inner panel 10 has a handle corresponding thereto. An opening 13 is provided. The lever member 32 (handle lever) of the outer handle 31 is swingably supported by a pivot shaft 32s, and the upper end portion of the handle rod 33 is engaged with the distal end side thereof.
[0028]
A bulging portion 14 that bulges inward (vehicle compartment side) is formed relatively near the handle opening 13 of the inner panel 10, and a wiper device (not shown) is formed inside the bulging portion 14. One end side of a bracket 34 for supporting is attached. The handle rod 33 extends in the vertical direction through the bulging portion 14.
In FIGS. 4 and 5 and the cross-sectional explanatory diagram described later, a triangular mark indicated by a broken line indicates a place where the adhesive is applied.
[0029]
In the present embodiment, the water that has entered from the outside through the openings 23 and 13 to a position corresponding to the vicinity of the handle opening 23 provided in the outer panel 20 inside the outer panel 20. The water receiving part 41 (1st water receiving part) which receives is provided.
More specifically, in the cover space S2 formed between the inner panel 10 and the inner cover 30, the water receiving portion 41 (first water receiving portion) is provided in the vicinity of the lower side of the handle opening 13 of the inner panel 10. Part).
[0030]
The structure of the cross-sectional shape and the panel space S1 of the inner panel 10 and / or the outer panel 20, or the like depending on the mounting structure of the tailgate 1 of the outer handle 31, constituting the water receiving portion as described above in the inner panel and the outer panel It is also possible to provide in the panel space.
[0031]
As can be clearly understood from FIG. 7, the water receiving portion 41 extends in the vehicle width direction and forms a lateral groove 42g between the inner wall surface of the inner panel 10 and the inner panel 10 It is comprised with the vertical guide wall 43 which forms the vertical groove 43g between the inner wall surfaces. The lower end portion of the vertical groove 43g communicates with a drain hole 15 (see FIG. 3) formed in the inner panel 10.
[0032]
More preferably, the water receiving portion 41 is integrally formed when the inner panel 10 is formed. Thereby, the structure and the manufacturing process are further simplified, and the cost can be reduced. Instead of this, the water receiving portion may be manufactured separately from the inner panel and integrated with the inner panel by adhesion or welding.
[0033]
The water that has entered from the outside through the handle openings 23 and 13 is received by the guide walls 42 and 43 of the water receiving portion 41 as shown by the broken curve in FIG. Collected at 43 g. And it discharges | emits in the panel space S1 from the said drain hole 15 provided in the lower end part of the vertical groove 43g.
[0034]
At the lower end side in the panel space S1, a collecting rib 16 having at least one valley portion 17 and extending in the vehicle width direction in order to collect the water discharged into the panel space S1 as described above. Is provided.
The collecting rib 16 has an inclined portion that falls at a predetermined angle toward the valley portion 17. The water discharged from the drain hole 15 into the panel space S1 is guided by at least one of the outer surface of the inner panel 10 and the inner surface of the outer panel 20 and falls toward the collecting rib 16, and the collecting rib 16 Is collected toward the valley 17.
[0036]
More preferably, the collecting rib 16 is integrally formed when the inner panel 10 is formed. Thereby, the structure and the manufacturing process are further simplified, and the cost can be reduced. Instead of this, the collecting rib may be manufactured separately from the inner panel, and integrated with the inner panel by adhesion or welding.
[0037]
As shown in FIGS. 5 and 6, a drain hole 18 for discharging water collected in the valley portion 17 to the outside is formed immediately below the valley portion 17 of the collecting rib 16.
As described above, the water that has entered from the outside through the handle openings 23 and 13 is received by the water receiving portion 41 and then collected by the collecting rib 16 in the valley portion 17. It is discharged from the drain hole 18 to the outside of the vehicle.
[0038]
FIG. 8 is a cross-sectional explanatory view taken along line Y8-Y8 in FIG. 3 and shows a mounting portion of the key cylinder 36. As can be seen from FIG. 8, openings 19 and 29 for attaching the key cylinder 36 to the inner panel 10 and the outer panel 20 are formed.
The key cylinder mounting portion also enters from the outside through the openings 29 and 19 into the portion corresponding to the vicinity of the key cylinder opening 29 provided in the outer panel 20 on the inner side of the outer panel 20. A water receiving part 45 (second water receiving part) for receiving the incoming water is provided.
[0039]
More specifically, a part of the inner panel 10 in the vicinity of the lower side of the key cylinder opening 19 is notched, and the notch piece projects toward the cover space S2. The second water receiving portion 45 formed of the notch piece is configured to have a substantially crescent shape when viewed from the front, and is provided to fall at a predetermined inclination angle toward the panel space S1 side.
[0040]
More preferably, the second water receiving portion 45 is integrally formed when the inner panel 10 is formed. Thereby, the structure and the manufacturing process are further simplified, and the cost can be reduced. Instead of this, such a water receiving portion may be manufactured separately from the inner panel and integrated with the inner panel by adhesion or welding.
[0041]
Water (water droplets w) that has entered from the outside through the key cylinder openings 29 and 19 is received by the water receiving portion 45 and guided toward the collecting rib 16 by being guided by the outer surface of the inner panel 10. Then, it is collected toward the trough 17 by the collecting rib 16. And finally, it is discharged out of the vehicle from a drain hole 18 provided in the valley portion 17.
In this case, the outer surface of the inner panel 10 constitutes the main part of the “guidance path” described in the claims of the present application.
[0042]
As described above, according to the present embodiment, the collecting rib 16 having at least one valley portion 17 extending in the vehicle width direction is provided on the lower end side of the panel space S1, and the water receiving portion 41 or 45 is provided. On the other hand, a guide path for guiding water to the collecting rib 16 is provided in the panel space S 1, and a discharge hole 18 (drain hole) to the outside is formed in the trough portion 17 of the collecting rib 16.
Then, water that has entered from the outside through the opening 23 or 29 of the outer panel 20 is received by the water receiving portion 41 or 45 and then guided to the collecting rib 16 by the guide path 10 and / or 20. Then, it is collected in the valley portion 17 of the collecting rib 16 and is smoothly discharged to the outside from the drain hole 18 formed immediately below the valley portion 17.
[0043]
That is, the water in the panel space S1 can be discharged out of the vehicle very smoothly as compared with the conventional case where the water is discharged from the substantially horizontal portion constituting the lower end of the panel space. As a result, when the tailgate 1 is opened, the water accumulated in the panel space S1 drops from the lower end portion of the tailgate 1 to cause discomfort to the user, and the tailgate is raised upward. With the relatively simple configuration, it is possible to reliably prevent the occurrence of problems such as water dripping from the lower end of the opening operation and wetting the operator's clothes, luggage, etc. It can be done.
[0044]
In the above embodiment, the collecting rib 16 is provided with only one valley portion 17. However, as shown in FIG. 9, a mountain portion 49 is provided in the middle of the collecting rib 46, and the valley portion 47. The drain holes 48 may be provided in two places, and therefore in two places. In this case, the water in the panel space S1 can be discharged more smoothly out of the vehicle.
[0045]
Further, in the present embodiment, air vent holes 51 (see FIG. 2) as air extractors that can guide the air in the vehicle interior to the outside of the vehicle are provided on the left and right sides of the inner panel 10.
FIG. 10 is a front explanatory view of the inner panel showing the air vent hole 51 in an enlarged manner, and FIGS. 11, 12, and 13 are respectively taken along lines Y11-Y11, Y12-Y12, and Y13-Y13 in FIG. FIG.
[0046]
As shown in these drawings, in the panel space S1 formed between the inner panel 10 and the outer panel 20, a location corresponding to the vicinity of the air vent hole 51 provided in the left and right side portions of the upper portion of the inner panel 10 is more concrete. Specifically, a water receiving portion 52 (third water receiving portion) for receiving water that has entered from the outside through the air vent hole 51 is provided at a position facing the air vent hole 51 in the panel space S1. ing.
Each air vent hole 51 communicates the gap S3 between the inner panel 10 of the tailgate 1 and the vehicle body panel 2 and the panel space S1 of the tailgate 1 with the tailgate 1 attached to the vehicle body 2. In the position.
[0047]
Further, in the panel space S1, guide ribs 53 and 54 are provided as guide paths for guiding water from the third water receiving portion 52 to the lower end side of the panel space S1. These guide ribs 53 and 54 are provided in parallel so as to form a pair, and together with the inner surface of the inner panel 10, constitute a groove portion extending in the vertical direction along the peripheral edge portion of the inner panel 10.
[0048]
These guide ribs 53 and 54 are more preferably formed integrally when the inner panel 10 is formed. Thereby, the structure and the manufacturing process are further simplified, and the cost can be reduced. Instead of this, such guide ribs may be manufactured separately from the inner panel and integrated with the inner panel by adhesion or welding.
[0049]
On the other hand, a drain hole 55 for discharging water guided by the guide ribs 53 and 54 to the outside is formed on the lower end side of the panel space S1, and the guide ribs 53 and 54 are formed in the drain hole. 55 extends to at least the vicinity.
Therefore, the water that has entered the panel space S1 from the air vent hole 51 is more reliably guided from the third water receiving portion 52 to at least the vicinity of the drain hole 55, and is discharged from the drain hole 55 to the outside of the vehicle.
[0050]
As described above, in the panel space S1 of the tailgate 1, the water receiving portion 52 is provided at a location corresponding to the vicinity of the air vent hole 51 provided in the inner panel 10, and the water receiving portion 52 extends from the panel space S1. Guide ribs 53 and 54 for guiding water are provided on the lower end side, and drain holes 55 for discharging water guided by the guide ribs 53 and 54 to the outside are formed on the lower end side of the panel space S1. Yes.
[0051]
Accordingly, after the water that has entered the panel space S1 through the air vent hole 51 of the inner panel 10 is received by the water receiving portion 52, the guide ribs as shown by the broken line curve in FIG. 53 and 54 are guided to the lower end side of the panel space S1, and are smoothly discharged to the outside from the drain hole 55 formed on the lower end side, so that water accumulates in the panel space S1. It is reliably prevented with a simple structure.
[0052]
Although the above-described embodiment is for the tailgate 1 of an automobile, the present invention is not limited to such a case, and is effectively applied to other opening / closing bodies provided in the vehicle. To get.
[0053]
Thus, the present invention is not limited to the embodiment described above. In addition, it goes without saying that various improvements or changes in design are possible without departing from the scope of the invention.
[0059]

【The invention's effect】

According to the present invention, in the panel space of the opening / closing body, the water that has entered from the outside through the air vent hole is received at a location facing the air vent hole that is provided in the inner panel and releases the air in the vehicle interior to the outside. A water receiving part is provided, and a guiding path for guiding water from the water receiving part to the lower end side of the panel space is provided, while water guided by the guiding path is supplied to the lower end side of the panel space. A discharge hole is formed to discharge to the outside, and the water that has entered the panel space through the air vent hole of the inner panel is reliably received by the water receiving portion, and then is It is guided to the lower end side of the space, and is smoothly discharged to the outside from the discharge hole formed on the lower end side. As a result, when the opening / closing body is opened, water that has accumulated in the panel space hangs down from the lower end of the opening / closing body, etc. Can be prevented .
[0060]
In this case, the guide path is preferably formed integrally with the inner panel and includes guide ribs extending from the water receiving portion to at least the vicinity of the discharge hole, so that the guide path is formed in the panel space via the air vent hole. The water that has entered can be more reliably guided from the water receiving portion to at least the vicinity of the discharge hole.
[0061]
In particular , more preferably, the inner panel and the outer panel are both made of synthetic resin, and the guide ribs are integrally formed with the inner panel, so that the structure can be further simplified and the manufacturing process can be simplified to reduce costs. Can be achieved.
[0062]
In the above case, when the opening / closing body is a tailgate that covers the opening at the rear end of the vehicle body so as to be openable / closable, the water accumulated in the panel space when the tailgate is opened. Problems such as drooping from the lower end of the gate, causing discomfort to the user, and when the tailgate is opened upward, water drops from the lower end of the gate, causing the operator's clothes, etc. It is possible to reliably prevent the occurrence of the problem of wetting indoor luggage with a relatively simple configuration.
[Brief description of the drawings]
FIG. 1 is an explanatory front view showing an outer panel of a tailgate of an automobile according to an embodiment of the present invention.
FIG. 2 is a front explanatory view showing an inner panel of the tailgate.
FIG. 3 is a front explanatory view showing an enlarged part of the lower part of the inner panel in FIG. 2;
4 is a cross-sectional explanatory view of an inner panel taken along line Y4-Y4 in FIG.
5 is an inner panel cross-sectional explanatory view taken along line Y5-Y5 in FIG. 3;
6 is a view of the drain hole as seen from the direction of arrows Y6 to Y6 in FIG.
FIG. 7 is a perspective view of a water receiving portion provided on the inner surface side of the inner panel.
8 is an explanatory cross-sectional view of the inner panel taken along line Y8-Y8 in FIG. 3;
FIG. 9 is a front explanatory view of an inner panel showing a modified example of the collecting rib.
FIG. 10 is an explanatory front view of an inner panel showing an enlarged air vent hole.
11 is an explanatory cross-sectional view of the inner panel taken along line Y11-Y11 in FIG.
12 is a cross-sectional explanatory diagram of an inner panel taken along line Y12-Y12 in FIG.
13 is a cross-sectional explanatory view of the inner panel taken along line Y13-Y13 in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Tail gate 10 ... Inner panel 13 ... Handle opening part 16,46 ... Collection rib 17,47 ... Valley part 18,48,55 ... Drain hole 19 ... Key cylinder opening part 20 (inner panel) ... outer panel 23 ... handle opening 29 (outer panel) key cylinder opening 31 (outer panel) outer handle 36 ... key cylinder 41 ... first water receiving part 45 ... second water receiving part 51 ... air vent hole 52 ... first 3 Water receiving portions 53, 54 ... guide rib S1 ... panel space w ... water droplets

Claims (4)

It is constructed by joining at least the peripheral parts of the inner panel and the outer panel, and is a draining structure of an opening / closing body that covers a predetermined opening formed in the vehicle body so that it can be opened and closed,
In the panel space formed between the inner panel and the outer panel, it has entered from the outside through the air vent hole to a location facing the air vent hole provided in the inner panel and allowing the air in the vehicle compartment to escape to the outside. There is a water receiving part that receives water,
A guide path for guiding water from the water receiving portion to the lower end side of the panel space is provided in the panel space. On the lower end side of the panel space, water guided by the guide path is discharged to the outside. A discharge hole is formed,
Water draining structure of the open-closed field characterized in that. Said guide path, said inner panel are integrally formed with and water draining structure of the opening and closing member according to claim 1, characterized in that it comprises an induction rib extending at least to the vicinity of the discharge holes from the water receiving portion . The drainage structure for an opening / closing body according to claim 2 , wherein the inner panel and the outer panel are both made of a synthetic resin, and the guide rib is integrally formed with the inner panel. The drainage structure for an opening / closing body according to any one of claims 1 to 3 , wherein the opening / closing body is a tailgate that covers the opening at the rear end of the vehicle body so that the opening / closing is possible.

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