Drain hole clip

Abstract

The present invention provides a clip for drain holes that can maintain continuous drainage while reducing noise transmitted into the vehicle interior through the drain holes. [Solution] A drainage section 24 provided on a clip 2 attached to a drainage hole formed in the front side door 1 is equipped with a drainage channel 25 that extends vertically, and an expansion section 25d is provided in part of the drainage channel 25. Furthermore, the bottom surface 25e of the expansion section 25d is inclined downward toward the outlet 25b of the drainage channel 25. This allows water that flows out of the drainage hole to the clip 2 to flow vertically downward, suppressing or eliminating the accumulation of dust and mud in the drainage channel 25, and maintaining drainage performance during use. In addition, the drainage channel 25 can be given the function of an expandable silencer, which can reduce noise transmitted toward the vehicle interior through the drainage hole.

Description

Technical Field

[0001] The present invention relates to a clip for a drain hole. In particular, the present invention relates to an improvement in a drainage channel in a clip for a drain hole.

Background Art

[0002] Conventionally, a vehicle door is provided with a drain hole for discharging rainwater or the like that has entered the internal space of the door (the space between the door outer panel and the door inner panel). Further, Patent Document 1 discloses a clip for a drain hole (hereinafter, may be simply referred to as a clip) that is attached to the drain hole.

[0003] The clip disclosed in this Patent Document 1 has a stopper claw portion that is locked to the drain hole of the door, a hollow main body portion that covers the drain hole, and drainage portions formed at the lower portions of both ends in the vehicle front-rear direction of the main body portion. That is, the water flowing out from the drain hole of the door is collected in the main body portion, and after this water is made to flow along the vehicle front-rear direction inside the main body portion, it is discharged from the drainage portion. By such a clip being attached to the drain hole, it is possible to suppress foreign matter being rolled up during vehicle travel from entering the internal space of the door through the drain hole, and to reduce the noise transmitted toward the vehicle interior through the drain hole.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, in the clip disclosed in Patent Document 1, the drainage channel provided within the main body extends horizontally, so if dust or mud enters this drainage channel, it cannot be easily discharged, and there is a possibility that this dust and mud will accumulate in the drainage channel. For this reason, drainage performance must be maintained during use.

[0006] Furthermore, the same problem arises not only with vehicle doors, but also with other vehicle body components when clips are attached to drainage holes for rainwater, etc.

[0007] The present invention has been made in view of the above, and its objective is to provide a drain hole clip that can continuously maintain drainage while reducing noise transmitted to the vehicle interior through the drain hole. [Means for solving the problem]

[0008] The present invention provides a solution for achieving the above objective, which is based on a drain hole clip that is attached to a drain hole formed in a hollow vehicle body component. The drain hole clip comprises a locking portion that engages with the opening edge of the drain hole when inserted into the drain hole, and a main body portion that is integrally formed with the locking portion and covers the outside of the vehicle body component including the drain hole. The main body portion comprises a drainage portion for discharging water that has flowed out of the drain hole, and the drainage portion comprises a drainage channel extending in the vertical direction, an expanded portion which is a part of the drainage channel and has space that expands in the horizontal direction, and an outlet which is the lower end of the drainage channel and opens downward.

[0009] This specific design ensures that water flowing from the drain holes in the vehicle body components to the drain hole clips flows vertically downward along the drainage channels of the clips and is discharged from the outlet at the lower end of the drainage channels. Therefore, even if dust and mud enter the drainage channels, their own weight and the downward-flowing water can easily expel them, preventing or eliminating their accumulation in the drainage channels. As a result, drainage performance during use can be maintained. Furthermore, since a portion of the drainage channels is equipped with an expansion section, this drainage channel can be given the function of an expandable silencer, thereby reducing noise transmitted into the vehicle interior through the drain holes.

[0010] Furthermore, the bottom surface of the expansion section is inclined downward toward the outlet.

[0011] If the bottom surface of the expansion section is a horizontal surface, there is a concern that dust and mud will accumulate on this horizontal surface. However, in this solution, since the bottom surface of the expansion section is sloped downward toward the discharge port, dust and mud can be directed toward the discharge port, preventing the accumulation of dust and mud on the bottom surface and allowing them to be drained.

[0012] More specifically, the drain section includes a contact portion that makes surface contact with the outer surface of the vehicle body component when the drain hole clip is installed in the drain hole. The drain channel is formed by a recess on the side of the drain section facing the vehicle body component, and when the drain hole clip is installed in the drain hole and the contact portion makes surface contact with the outer surface of the vehicle body component, it forms a space that extends vertically between the contact portion and the outer surface of the vehicle body component.

[0013] In this way, the drainage channel formed by the recess and the outer surface of the vehicle body component create a space for draining water. By removing the drainage clip from the vehicle body component, the drainage channel of the drainage clip can be opened up (a space open to the vehicle body component side of the drainage section). Therefore, if foreign matter accumulates in the drainage channel, it can be easily removed by removing the drainage clip from the vehicle body component.

[0014] Furthermore, the vehicle body component is a side door comprising a door outer panel and a door inner panel, and the drain hole clip is fitted into the drain hole formed in the lower part of the door inner panel.

[0015] According to this, in addition to the effects mentioned above, when the vehicle is in motion, airflow flows outside the exhaust port, and the suction effect caused by the negative pressure generated in the drainage channel may further improve drainage performance from the drainage channel. [Effects of the Invention]

[0016] In this invention, the drainage section of a drainage hole clip, which is attached to a drainage hole formed in a vehicle body component, is provided with a drainage channel that extends vertically, and an expanded portion is provided in part of the drainage channel. This allows water that flows out from the drainage hole of the vehicle body component to the drainage hole clip to flow vertically downward, suppressing or eliminating the accumulation of dust and mud in the drainage channel and maintaining drainage performance during use. Furthermore, the drainage channel can be given the function of an expandable silencer, which can reduce noise transmitted into the vehicle interior through the drainage hole. [Brief explanation of the drawing]

[0017] [Figure 1] This is a perspective view showing the area on the front side door of a vehicle where a clip is attached. [Figure 2] This is a longitudinal cross-sectional view of the clip attachment position when the door is closed. [Figure 3] FIG. 3(a) is a diagram showing an enlarged view of a portion where a clip is attached to the front side door, FIG. 3(b) is a perspective view of the clip as viewed from the back side, and FIG. 3(c) is a diagram for explaining the principle of the extended muffler. [Figure 4] FIG. 4(a) is a plan view of the drain hole as viewed from the inside of the front side door, and FIG. 4(b) is a plan view of the state where a clip is attached to the drain hole as viewed from the inside of the front side door. [Figure 5] FIG. 3(c) shows an example in which the transmission loss is calculated by changing the specifications. [Figure 6] This is a modified example of the clip. FIG. 6(a) is a corresponding view of FIG. 3(a), FIG. 6(b) is a corresponding view of FIG. 3(b), and FIG. 6(c) is a view of the clip as viewed from above. [[ID=I3]]

Mode for Carrying Out the Invention

[0018] Hereinafter, embodiments of the present invention will be described based on the drawings. In this embodiment, the case where the present invention is applied as a clip (clip for drain hole) attached to the drain hole of the front side door (hollow vehicle body component member in the present invention) of a vehicle will be described. Note that the present invention is also applicable as a clip attached to the drain hole of the rear side door. The basic functions of the clip include discharging rainwater and the like that has entered the internal space of the door to the outside of the vehicle through the drain hole, suppressing foreign substances such as dust and water from entering the internal space of the door from the outside of the vehicle through the drain hole, and reducing the noise transmitted toward the vehicle interior through the drain hole.

[0019] -Configuration of Front Side Door- FIG. 1 is a perspective view showing a portion where a clip 2 is attached to the front side door 1 of a vehicle according to this embodiment. FIG. 2 is a longitudinal sectional view at the clip attachment position in the door closed state (a sectional view at a position corresponding to line II-II in FIG. 1).

[0020] As shown in these figures, the front side door 1 includes a door outer panel 11 made of steel plate located on the outer side in the vehicle width direction in the door closed state, a door inner panel 12 made of steel plate located on the inner side in the vehicle width direction in the door closed state, and a door trim 13 which is an interior panel attached to the door inner panel 12.

[0021] Below the front side door 1 in the door closed state, a rocker 3 is arranged which forms the lower frame part of the door opening and extends in the vehicle longitudinal direction. The rocker 3 is composed of a rocker outer panel 31 and a rocker inner panel 32, and is configured with a closed cross-section structure by joining the flange part of the rocker outer panel 31 and the flange part of the rocker inner panel 32. The rocker outer panel 31 is formed along the lower end part of the door inner panel 12. Also, above the rocker 3, a scuff plate 4 having a substantially U-shaped cross-section formed of a hard synthetic resin or the like is arranged so as to cover the flange part.

[0022] The door trim 13 is an interior panel of the front side door 1, and is shaped so as to have a space capable of accommodating mechanisms (not shown) provided on the door outer panel 11, the door inner panel 12, etc. in order to cover them, and is attached to the door inner panel 12. The door trim 13 has an inner surface facing the door inner panel 12 and an outer surface which is the design surface. A pipe-shaped seal member 14 for sealing between the scuff plate 4 and the door trim 13 is attached to the outer surface of the scuff plate 4. This seal member 14 is formed of an elastic material such as urethane rubber. Also, a seal member 19 formed of an elastic material is provided between the door inner panel 12 and the door trim 13.

[0023] The door inner panel 12 is a plate-shaped member subjected to deep drawing, and both end parts in the vehicle longitudinal direction (not shown) are integrated with the door outer panel 11 (integrated by so-called hemming).

[0024] The door inner panel 12 has the following shape: a panel body portion 12a that extends in a direction substantially perpendicular to the vehicle width direction when the door is closed; a horizontal portion 12b that extends horizontally by a predetermined distance from the lower end of the panel body portion 12a toward the door outer panel 11; a vertical portion 12c that extends downward by a predetermined distance from the outer end of the horizontal portion 12b; an inclined portion 12d that extends diagonally downward by a predetermined distance from the lower end of the vertical portion 12c toward the door outer panel 11; and an engaging portion 12e that extends downward from the outer end of the inclined portion 12d along the door outer panel 11. This engaging portion 12e is integrated with the lower end of the door outer panel 11 in the vehicle's vertical direction (integrated by so-called hemming). As a result, an internal space 17 for housing mechanisms such as a window regulator is provided between the door outer panel 11 and the door inner panel 12. Furthermore, a sealing member 18 is attached to the lower surface of the horizontal portion 12b of the door inner panel 12, which seals the space between the door inner panel 12 and the rocker 3 when the door is closed.

[0025] At the lower part of the interior space 17 of the front side door 1, a collection section 15 is provided to collect foreign matter such as dust and water that enters the interior space 17. To discharge the foreign matter collected in this collection section 15 to the outside of the vehicle, a drain hole 16 is formed at the lower end of the door inner panel 12. Specifically, this drain hole 16 is formed as a through hole in the inclined portion 12d of the door inner panel 12.

[0026] Figure 4(a) is a plan view of the drain hole 16 as seen from the inside of the front side door 1 (above the inclined portion 12d of the door inner panel 12). As shown in Figure 4(a), the drain hole 16 is formed as an oval with its longitudinal direction being the thickness direction of the door inner panel 12 (the vehicle width direction when the door is closed: the vertical direction in Figure 4(a)). An example of the opening dimensions of this drain hole 16 is a length of 15 mm and a width of 7 mm. These dimensions are not limited to these.

[0027] A clip 2, a component that is characteristic of this embodiment, is attached to this drain hole 16. The clip 2 will be described below.

[0028] -Clip structure- Figure 3(a) is a magnified view of the portion of the front side door 1 where the clip 2 is attached, and Figure 3(b) is a perspective view of the clip 2 from the back side (the side that contacts the door inner panel 12).

[0029] As shown in these figures, the clip 2 comprises a locking portion 21 that engages with the opening edge of the drain hole 16 when inserted into the drain hole 16 (in other words, when attached to the front side door 1), and a main body portion 22 that is integrally formed with the locking portion 21 and covers the outside of the door inner panel 12 including the drain hole 16. The clip 2 is molded from an elastic material (such as rubber or synthetic resin).

[0030] For convenience, here we will refer to the width direction of clip 2 (the longitudinal direction of the vehicle body when the door is closed, as it is attached to the front side door 1) as the X direction (see Figure 3(b)), the front side in the longitudinal direction of the vehicle body will be called the X direction front side, and the rear side in the longitudinal direction of the vehicle body will be called the X direction rear side. Furthermore, the horizontal direction perpendicular to the X direction (the width direction of the vehicle body when the door is closed, as it is attached to the front side door 1) will be called the Y direction, the side closer to the front side door 1 when it is attached to the front side door 1 will be called the Y direction door side, and the side further away from the front side door 1 will be called the Y direction anti-door side. Furthermore, the vertical direction perpendicular to both the X and Y directions will be called the Z direction, the upper side in the vertical direction will simply be called the upper side, and the lower side in the vertical direction will simply be called the lower side.

[0031] The main body 22 includes a drain receiving portion 23 that covers the inclined portion 12d of the door inner panel 12 from below, and a drain portion 24 that is continuous with the lower side of the drain receiving portion 23 and contacts the engaging portion 12e of the door inner panel 12.

[0032] The drain receiving section 23 is a part that receives foreign matter such as dust and water that has been collected in the collection section 15 provided in the internal space 17 of the door inner panel 12 when it is discharged from the drain hole 16, and is formed in a roughly mortar shape.

[0033] More specifically, the drain receiving portion 23 has a shape that widens outward as it extends upward, and the shape of its upper edge is designed to conform to the shape of the lower surface of the inclined portion 12d of the door inner panel 12. In addition, the area around the upper edge of the drain receiving portion 23 is thinned, so that it can be elastically deformed relatively easily by external force. Therefore, when the upper edge of the drain receiving portion 23 is pressed against the lower surface of the inclined portion 12d of the door inner panel 12, the shape of the upper edge of the drain receiving portion 23 easily conforms to the shape of the lower surface of the inclined portion 12d of the door inner panel 12. As a result, when the clip 2 is attached to the front side door 1 as shown in Figure 3(a), the entire upper edge of the drain receiving portion 23 is in contact with the lower surface of the inclined portion 12d, and no gap is created between the upper edge of the drain receiving portion 23 and the lower surface of the inclined portion 12d. This prevents foreign matter such as dust and water discharged from the drain hole 16 from leaking out between the upper edge of the drain receiving section 23 and the lower surface of the inclined section 12d.

[0034] Furthermore, the portion of the drain receiving section 23 that is closer to the door in the Y direction at the center in the X direction is the lowest point on the upper surface of the drain receiving section 23, and a notch 23a with a rectangular shape in plan view is provided in this portion. This notch 23a is part of the upper end of the drain channel 25, which will be described later, and has the function of directing foreign matter such as dust and water discharged from the drain hole 16 and received by the drain receiving section 23 towards the inside of the drain channel 25.

[0035] The locking portion 21 is integrally formed in the center of the upper surface of the drain receiving portion 23 (the center in both the X and Y directions). Specifically, it is erected on the upper surface of the drain receiving portion 23 at a position on the Y-direction opposite the door side from the notch 23a. Locking claws 21a, 21a are provided on the front and rear vertical wall surfaces of the locking portion 21 in the X direction. The distance between the front end of the locking claw 21a located on the front side in the X direction and the rear end of the locking claw 21a located on the rear side in the X direction (dimension T1 in Figure 4(b) when the clip 2 is attached to the drain hole 16 as seen from the inside of the front side door 1) is set to be slightly larger than the opening dimension in the X direction of the drain hole 16 (dimension H1 in Figure 4(a)).

[0036] Therefore, when the locking portion 21 is inserted into the drain hole 16 from below the inclined portion 12d of the door inner panel 12, each locking claw 21a, 21a overcomes the opening edge of the drain hole 16 and locks onto the opening edge, thereby attaching the clip 2 to the front side door 1. Figure 4(b) is a plan view of the state in which the clip 2 is attached to the drain hole 16 in this manner, as seen from the inside of the front side door 1 (above the inclined portion 12d of the door inner panel 12).

[0037] As mentioned above, since the clip 2 is made of an elastic material, when the clip 2 is attached to the front side door 1, pulling the clip 2 downwards allows the locking claws 21a, 21a to move over the opening edge of the drain hole 16, making it possible to remove the clip 2 from the front side door 1. In this embodiment, the clip 2 is configured to be detachable from the front side door 1, but the present invention is not limited to this and also includes configurations in which the clip 2 is fixed to the front side door 1 in a non-detachable manner.

[0038] The drain section 24 is continuous with the lower side of the drain receiving section 23 and is the part that abuts against the engaging section 12e of the front side door 1. Specifically, the surface of the drain section 24 that abuts against the engaging section 12e of the front side door 1 (the surface located on the door side in the Y direction and extending in a direction perpendicular to the Y direction) is a flat contact section 26, and a drain channel 25 is provided in the center of this contact section 26 in the X direction for draining and discharging foreign matter such as dust and water that has been received by the drain receiving section 23 downwards.

[0039] The drain channel 25 is formed by a recess in the Y-direction door-side surface of the drain section 24. The drain channel 25 comprises an upper drain channel 25a whose upper side is continuous with the notch 23a, a lower drain channel 25c whose lower side is continuous with the outlet 25b which opens at the lower end of the drain section 24, and expansion sections 25d, 25d located between the upper drain channel 25a and the lower drain channel 25c, and extending to the front and rear sides in the X direction, respectively.

[0040] The shapes of the upper drain channel 25a and the lower drain channel 25c (the recessed shape from the door-side surface in the Y direction of the drain section 24) are identical. However, the shapes of the upper drain channel 25a and the lower drain channel 25c may be different.

[0041] Furthermore, the X-direction expansion dimensions of each expansion section 25d, 25d (the dimensions that extend outward in the X-direction compared to the X-direction dimensions of the upper drainage channel 25a and the lower drainage channel 25c) are the same and are set to be slightly larger than the X-direction dimensions of the upper drainage channel 25a and the lower drainage channel 25c, respectively. However, the X-direction expansion dimensions of each expansion section 25d, 25d may be different from each other, and the X-direction expansion dimensions of each expansion section 25d, 25d may be set to be smaller than the X-direction dimensions of the upper drainage channel 25a and the lower drainage channel 25c, respectively.

[0042] Because the drainage channel 25 is formed in this shape, when the clip 2 is attached to the drainage hole 16 and the contact portion 26 is in contact (surface contact) with the engagement portion 12e of the front side door 1, a space is formed between the drainage channel 25 and the engagement portion 12e of the front side door 1 that has a passage shape that matches the recessed shape of the upper drainage channel 25a, the lower drainage channel 25c, and each of the extended portions 25d, 25d, and extends in the vertical direction.

[0043] As the drainage channel 25 is equipped with extensions 25d, 25d in this manner, the drainage channel 25 can be given the function of an expandable silencer, thereby reducing the noise transmitted into the vehicle interior through the drainage holes 16.

[0044] Here, we will briefly explain the principle of the expandable silencer. Figure 3(c) is a diagram illustrating the principle of the expandable silencer. As is well known, the expandable silencer prevents the propagation of sound waves by expanding a part of the pipeline system and utilizing the reflection of sound wave energy at the discontinuity in the cross-section. In Figure 3(c), the inner diameter dimension of the pipeline is shown as S1, the inner diameter dimension of the expanded section as S2, and the length of the expanded section as L2. In the drainage channel 25 of this embodiment, the dimension in the X direction of the upper drainage channel 25a and the lower drainage channel 25c corresponds to dimension S1, the dimension in the X direction of the expanded sections 25d, 25d corresponds to dimension S2, and the dimension in the Z direction of the expanded sections 25d, 25d corresponds to dimension L2.

[0045] Furthermore, the bottom surfaces of each extension section 25d, 25d are inclined downward toward the outlet 25b. That is, the bottom surface of the extension section 25d located on the front side in the X direction is inclined downward toward the rear side in the X direction at a predetermined angle. Similarly, the bottom surface of the extension section 25d located on the rear side in the X direction is inclined downward toward the front side in the X direction at a predetermined angle. These predetermined angles can be set arbitrarily. As an example, these predetermined angles are set to 20°. In this embodiment, the top surfaces of each extension section 25d, 25d are also inclined downward toward the center side in the X direction, similar to the bottom surfaces.

[0046] -The function of the clip- Next, we will explain the function of the clip 2, configured as described above, when it is attached to the drain hole 16. When rainwater or the like (hereinafter simply referred to as water) enters the inside of the front side door 1, this water (water containing, for example, dust, etc.) is collected in the collection section 15 and discharged downward from the drain hole 16. This discharged water is received by the drain receiving section 23 of the clip 2, flows over the upper surface of the drain receiving section 23 and is guided to the notch 23a. The water that reaches this notch 23a flows into the drain channel 25, flows down from the upper drain channel 25a to the lower drain channel 25c, and is discharged to the outside from the outlet 25b.

[0047] Furthermore, since the drain hole 16 of the front side door 1 is covered by the clip 2, foreign matter such as dust and water is prevented from entering the interior space of the front side door 1 from outside the vehicle through the drain hole 16. In addition, because the expansion portion 25d is provided, the drainage channel 25 functions as an expandable silencer, and the noise transmitted into the passenger compartment through the drain hole 16 is reduced. For example, it is possible to suppress the transmission of road noise and other noises during driving into the passenger compartment through the drain hole 16.

[0048] -Effects of the embodiment- As described above, in this embodiment, the drain section 24 provided on the clip 2 attached to the drain hole 16 formed in the front side door 1 is equipped with a drain channel 25 that extends vertically, and an expanded section 25d, 25d is provided in part of the drain channel 25, and furthermore, the bottom surfaces 25e, 25e of the expanded sections 25d, 25d are inclined downward toward the outlet 25b of the drain channel 25. As a result, water that flows out from the drain hole 16 of the front side door 1 to the clip 2 can be directed downward in the vertical direction, preventing or eliminating the accumulation of dust and mud in the drain channel 25, and maintaining drainage performance during use. In addition, the drain channel 25 can be given the function of an expandable silencer, which can reduce noise transmitted toward the vehicle interior through the drain hole 16.

[0049] The inventors of this invention performed theoretical calculations to confirm the noise reduction effect achieved by adding the function of an expandable silencer to the drainage channel 25. In this experiment, the transmission loss for each frequency band of the noise center frequency was determined for each of the two types of clips 2, each having different dimensions in the X direction at the expanded sections 25d, 25d.

[0050] Figure 5 shows the calculation results. In Figure 5, the solid lines indicate that the cross-sectional area in the X direction of the expanded sections 25d, 25d is set to approximately twice that of the dashed lines. Other dimensions (dimensions in the X direction of the upper drainage channel 25 and the lower drainage channel 25c, and the dimensions in the Z direction of the expanded sections 25d, 25d) were kept the same. As shown in Figure 5, a large transmission loss can be obtained for relatively high-frequency sound ranges, and the effect of reducing noise transmitted into the vehicle interior through the drainage holes 16 is greatly demonstrated. Furthermore, the calculations confirm that a larger cross-sectional area in the X direction of the expanded sections 25d, 25d results in a larger transmission loss and a greater effect of reducing noise transmitted into the vehicle interior.

[0051] Furthermore, as another benefit, in this embodiment, the drainage channel 25, which is a recess, and the outer surface of the front side door 1 form a space for draining water. By removing the clip 2 from the front side door 1, the drainage channel 25 of the clip 2 can be made into an open space (a space open to the front side door 1 side of the drainage section 24). Therefore, if foreign matter accumulates in the drainage channel 25, it is possible to easily remove the foreign matter by removing the clip 2 from the front side door 1.

[0052] Furthermore, when the vehicle is in motion, airflow passes outside the exhaust port 25b, and the suction effect caused by the negative pressure generated in the drainage channel 25 may further improve the drainage performance from the drainage channel 25.

[0053] -Variations- Next, a modified example will be described. In this modified example, the configuration of the drainage section 24 of the clip 2 differs from that of the above embodiment. The other configurations are substantially the same as those of the above embodiment, so the differences from the above embodiment will be described here.

[0054] Figure 6 shows the clip 2 according to this modified example. Figure 6(a) is equivalent to Figure 3(a) (a magnified view of the part of the front side door 1 to which the clip 2 is attached), Figure 6(b) is equivalent to Figure 3(b) (a perspective view of the clip 2 seen from the back side), and Figure 6(c) is a view of the clip 2 seen from above. In Figure 6, the same reference numerals are used for parts that are the same as those in the previously described embodiment, and their descriptions are omitted.

[0055] As shown in these figures, the drainage section 24 of the clip 2 in this modified example is constructed as a rectangular box, with the interior forming a drainage channel 25. The opening formed at the top of the drainage channel 25 (the top surface of the box) is the upper drainage channel 25a, and the opening formed at the bottom of the drainage channel 25 (the bottom surface of the box) is the lower drainage channel 25c and the outlet 25b. The openings of the upper drainage channel 25a and the lower drainage channel 25c are circular in shape, and the centerlines of these upper drainage channels 25a and lower drainage channels 25c are located on the same straight line extending vertically. In other words, the upper drainage channel 25a and the lower drainage channel 25c are opposite each other in the vertical direction.

[0056] Furthermore, because the dimensions in the X direction of the drainage section 24 are relatively large, the interior functions as an expandable silencer, thereby reducing the noise transmitted towards the vehicle interior through the drainage hole 16.

[0057] Other configurations and functions are the same as those of the embodiments described above.

[0058] This modified example can achieve the same effects as those of the previously described embodiment.

[0059] -Other Embodiments- Furthermore, the present invention is not limited to the embodiments and modifications described above, and all modifications and applications covered within the scope of the claims and equivalents thereof are possible.

[0060] For example, the above embodiments and modifications described the case in which the present invention is applied to a clip 2 attached to a drain hole 16 of the front side door 1 of a vehicle. The present invention is not limited to this, and can also be applied to clips attached to drain holes of rear side doors, back doors, etc. of a vehicle. Furthermore, it can also be applied to clips attached to vehicle body components other than doors (vehicle body components equipped with drain holes).

[0061] Furthermore, the above embodiments and modifications described a case in which a drain hole 16 is provided in only one location on the front side door 1 of the vehicle, and a clip 2 is attached to that drain hole 16. The present invention is not limited to this, and can also be applied to a case in which a drain hole is provided in multiple locations on the front side door 1 of the vehicle, and a clip is attached to each drain hole.

[0062] Furthermore, in the above embodiment and the above modification, the mounting position of the clip 2 was set to the inclined portion 12d of the front side door 1, but this mounting position is not limited to the inclined portion 12d as long as it is at the lower part of the front side door 1. [Industrial applicability]

[0063] The present invention is applicable to a drain hole clip that is fitted into a drain hole formed in the side door of a vehicle. [Explanation of Symbols]

[0064] 1. Front side door (vehicle body component) 11 Door Outer Panel 12 Door Inner Panel 16 drainage holes 2 clips (clips for drainage holes) 21 Locking part 22 Main body 24 Drainage Department 25 Drainage Channel 25a Upper drainage channel 25b Discharge outlet 25c Lower drainage channel 25d Expansion Section 25e bottom surface 26 Contact Department

Claims

1. In a drain hole clip that is attached to a drain hole formed in a hollow vehicle body component, A locking portion that engages with the opening edge of the drain hole when inserted into the drain hole, It comprises a main body portion formed integrally with the locking portion and covering the outside of the vehicle body component including the drainage hole, The main body is equipped with a drainage section for discharging water that has flowed out from the drainage hole. The drainage section is characterized by comprising a drainage channel extending vertically, an expanded section which is a part of the drainage channel and provides space horizontally, and a discharge port which is at the lower end of the drainage channel and opens downward.

2. In the drain hole clip according to claim 1, A drain hole clip characterized in that the bottom surface of the expansion portion is inclined downward toward the outlet.

3. In the drain hole clip according to claim 1 or 2, The drainage section includes a contact portion that makes surface contact with the outer surface of the vehicle body component when the drainage hole clip is installed in the drainage hole. The drainage channel is formed by a recess in which the surface of the drainage section on the vehicle body component side is recessed, and the drainage hole clip is attached to the drainage hole and the contact portion is in surface contact with the outer surface of the vehicle body component, forming a space that extends vertically between the contact portion and the outer surface of the vehicle body component.

4. In the drain hole clip according to claim 1 or 2, The aforementioned vehicle body component is a side door comprising a door outer panel and a door inner panel, A drain hole clip characterized by being attached to the drain hole formed in the lower part of the door inner panel.

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