JP7173843B2 - Drainage member - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drain member for draining water from vehicle body constituent members that constitute a vehicle body.

In a vehicle such as an automobile, for example, if it is a door, rainwater may enter through a gap in the glass window. 1). The drain hole is closed by a check valve fitted to the drain hole and attached to the door panel to prevent external noise from entering through the drain hole. When water accumulates inside the door, the check valve is pushed by the water and the valve body opens outward, thereby opening the drain hole and allowing water to drain from the drain hole.

Japanese Utility Model Laid-Open No. 53-129019

In the check valve disclosed in Patent Document 1, the valve body does not open until a certain amount of water is accumulated, so there is an inconvenience that a small amount of water continues to accumulate. Another drawback is that it is necessary to secure a space outside the door for the valve body of the check valve to open.

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above-mentioned problems associated with the prior art, and has been proposed to preferably solve these problems. for the purpose.

In order to overcome the above problems and achieve the intended purpose, the draining member according to the present invention comprises:
a base portion arranged in alignment with an opening formed in a vehicle body constituent member constituting the vehicle body so as to penetrate the vehicle body constituent member in the inward and outward directions;
a sound insulation part provided in the base part so as to face an opening surface of a drain hole provided to allow water to drain from the inside to the outside of the vehicle body component, and arranged inside the vehicle body component; , and
A drainage passage portion provided between or at the base portion and the sound insulation portion and serving as a drainage path leading to the water drainage hole inside the vehicle body component opens in a direction different from the water drainage hole. The gist is that

The drain member according to the present invention is compact, can always drain water, and has excellent sound insulation.

1 is a perspective view showing a drain member according to a first embodiment of the present invention from above; FIG. Fig. 2 is a side view showing the drain member of the first embodiment; It is a bottom view showing the drain member of the first embodiment. Fig. 2 is a cross-sectional view showing the drain member of the first embodiment in a state of being attached to the door panel; The drain member is cut at a position corresponding to line AA in FIG. FIG. 11 is a perspective view showing the drain member of the second embodiment from above; FIG. 11 is a side view showing the drain member of the second embodiment; FIG. 11 is a plan view showing a drain member of a second embodiment; FIG. 8 is a cross-sectional view taken along line BB of FIG. 7; FIG. 11 is a perspective view showing the drain member of the third embodiment from above; FIG. 11 is a cross-sectional view showing a drain member of a third embodiment; FIG. 11 is a perspective view showing a modified example of the drain member of the third embodiment from above. FIG. 11 is a cross-sectional view showing a modification of the drain member of the third embodiment;

Next, preferred embodiments of the drain member according to the present invention will be described below with reference to the accompanying drawings. In the following description, a case where the drain member is attached to an opening provided at the bottom of a door, which is one of the vehicle body structural members, will be exemplified. The direction of the drain member is indicated based on the attachment state of the drain member to the door. As shown in FIG. 4, the inside-out direction of the door (body component) 10 is defined based on the penetration direction of the opening 18 passing through the door 10. The inside in the inside-out direction is the upper side, and the outside in the inside-out direction is the outside. on the lower side.

(First embodiment)
As shown in FIG. 4, a door (body component) 10 that constitutes the vehicle body of a vehicle is configured by combining a door outer 12 on the outside of the vehicle and a door inner 14 on the passenger compartment side. There is The bottom surface of the door 10, which faces the side sill 16 when the door 10 is closed, is composed of a bottom plate 14a extending in the horizontal direction of the door inner 14. A through opening 18 is formed. A draining member 20 is attached to the bottom plate 14 a of the door 10 so as to fit into the circular opening 18 .

As shown in FIGS. 1 and 2, the draining member 20 according to the first embodiment includes a base portion 22 that is aligned with the opening portion 18 of the door 10 and a base portion 22 that allows water to drain from the inside to the outside of the door 10. A sound insulation part 26 provided in the base part 22 is provided in accordance with the drain hole 24 provided so as to do so. As shown in FIG. 4, between the base portion 22 and the sound insulation portion 26, a drainage passage portion 38 serving as a drainage path leading to the drainage hole 24 inside the door 10 opens in a direction different from that of the drainage hole 24. is provided as follows. In the first embodiment, the drainage passage portion 38 opens sideways inside the door 10 with respect to the drain hole 24 that opens upward inside the door 10, and water flows sideways through the drainage passage portion 38. It is a drainage path through which water is dropped through the drain hole 24 after being drained. The draining member 20 is attached such that the sound insulation part 26 is inserted inside the door 10 through the opening 18 so that the sound insulation part 26 is arranged inside the door 10 . The drainage member 20 is made of a flexible and elastic material such as an elastomer such as ethylene propylene diene (EPDM), and the base portion 22 and the sound insulation portion 26 are integrally formed by molding.

As shown in FIGS. 1, 2 and 4, the base portion 22 includes a base body 28 formed in a circular shape larger than the circular opening 18, and an opening insertion portion 30 projecting upward from the base body 28. and a flange portion 32 projecting from the upper edge of the opening insertion portion 30 in parallel with the base body 28. - 特許庁The opening inserting portion 30 has the same circular shape as the opening 18, and is formed with dimensions matching the opening 18. The height of the protrusion from the base body 28 is equal to the plate thickness of the bottom plate 14a in which the opening 18 is formed. is the same as The flange portion 32 has a circular shape that is one size smaller than the base body 28 and is formed thinner than the base body 28 . In the base portion 22, the centers of the base main body 28, the opening insertion portion 30 and the collar portion 32 are aligned with each other. As shown in FIG. 4 , the base portion 22 includes a flange portion 32 arranged inside the door 10 and a base portion arranged outside the door 10 by passing the flange portion 32 and the opening insertion portion 30 through the opening portion 18 . It is attached to the bottom plate 14a with the opening edge of the opening 18 sandwiched between it and the main body 28. - 特許庁Thus, the drain member 20 of the first embodiment is attached to the door 10 with the base portion 22 sandwiching the opening edge of the opening portion 18 from both sides in the vertical direction.

As shown in FIGS. 1 and 3, a circular drainage hole 24 is formed in the base portion 22 so as to penetrate vertically through a position corresponding to the opening 18 in the base portion 22 . The base portion 22 of the first embodiment is provided with a plurality of (four in this embodiment) drain holes 24 arranged at regular intervals around the center passing through the base portion 22 in the vertical direction.

As shown in FIGS. 1 and 2, the sound insulation portion 26 includes a support portion 34 formed so as to rise upward (inside the vehicle body component) from the base portion 22, and a support portion 34. and a covering portion 36 arranged to cover the drain hole 24 . The support portion 34 has a cylindrical shape, is provided at the center of the base portion 22 , and is arranged at the center of the plurality of drain holes 24 . The covering portion 36 is preferably formed so as to approach the base portion 22 or parallel to the base portion 22 as it separates from the supporting portion 34. As shown in FIG. It is inclined so as to approach the base portion 22 as it overhangs. The covering portion 36 is arranged such that at least a part of the edge opposite to the base connected to the supporting portion 34 is separated from the inner surface of the door inner 14. In the first embodiment, the entire edge of the covering portion 36 is It is separated from the inner surface of the bottom plate 14a along the circumference. As a result, the drainage passing portion 38 opens in the horizontal direction (the direction in which the plate surface of the plate-shaped base portion 22 spreads) between the edge of the covering portion 36 that is separated from the bottom plate 14a and the bottom plate 14a (the base portion 22). is provided as follows. The direction of water flow through the drain passage portion 38 and the direction of water flow through the drain hole 24 are different.

As shown in FIG. 3, the covering portion 36 is formed with a size so that its edge is located horizontally outside the inner opening of the drain hole 24 in the horizontal direction, and is arranged around the support portion 34. It is formed in a circular shape centered on the support portion 34 in a plan view so as to correspond to the inner openings of the plurality of drain holes 24 . The covering portion 36 may have the same size as the diameter of the opening 18, may be formed larger than the diameter of the opening 18, or may be formed smaller than the diameter of the opening 18. is sized to cover the drain hole 24 . The sound insulation part 26 is formed in an umbrella shape with a covering part 36 covering the inner opening of the drain hole 24 formed vertically through the base part 22 from above (the inside of the vehicle body component).

The draining member 20 can be easily attached to the door 10 by simply inserting the sound insulating part 26 through the opening 18 and sandwiching the opening edge of the opening 18 between the flange part 32 and the base body 28 of the base part 22. - 特許庁can be installed. In the water draining member 20, the water draining hole 24 is not blocked by a valve element or the like, and the water draining hole 24 is always open. can be discharged. As described above, according to the water draining member 20, it is possible to prevent water from accumulating inside the door 10, so that the generation of rust and mold caused by the accumulation of water and the adverse effects on electrical parts can be prevented. can.

In the drain member 20, a drain passage portion 38 connected to the drain hole 24 inside the door 10 opens in a direction different from that of the drain hole 24 due to the presence of the sound insulating portion 26, and the drain hole 24 is connected to the drain passage portion. The path through 38 to the inside of the door 10 is curved. Therefore, even if the water draining member 20 is configured such that the water draining hole 24 is always open, noise is less likely to enter the door 10 . Specifically, the water drain member 20 reflects external noise entering from the water drain hole 24 by the covering part 36 of the sound insulation part 26 provided so as to cover the inner opening of the water drain hole 24. , the noise incident on the inside of the door 10 can be reduced. Moreover, by attaching the draining member 20 to the opening 18 and draining water from the draining hole 24 of the draining member 20, the opening area of the hole leading to the inside and outside of the door 10 is reduced. sound can be prevented from entering the inside of the Thus, the draining member 20 can drain water all the time and has excellent sound insulation.

The drain member 20 is arranged so that when the drain member 20 is attached to the door 10, the sound insulation part 26 is arranged inside the door 10, and only the flat base body 28 in the base part 22 is arranged outside the door 10. and is very compact. In addition, since the water drain member 20 does not have a valve body for opening and closing the water drain hole 24 as described in the background art, a space for opening the valve body is required under the door 10 (outside). do not do. In this way, the water drain member 20 does not require a large space outside the door 10 to which it is attached, and thus has various advantages such as the ability to bring the bottom surface of the door 10 and the top surface of the side sill 16 close to each other. .

The cover portion 36 is formed in an umbrella shape that approaches the base portion 22 as it separates from the support portion 34 that continues to the central portion thereof, and covers the upper side of the drain hole 24 penetrating the base portion 22 in the vertical direction. With this configuration, the drain member 20 can narrow the gap (opening of the drainage passage portion 38) between the edge of the covering portion 36 and the inner surface of the bottom plate 14a of the inner door 14, and the support portion 34 It is possible to make it difficult for the sound reflected by the covering portion 36 inclined downward from the gap to leak through the gap. Therefore, the sound insulation of the drain member 20 can be improved.

(Second embodiment)
Next, a drain member 40 according to a second embodiment will be described with reference to FIGS. 5 to 8. FIG. In addition, in the second embodiment, the same reference numerals as in the first embodiment are assigned to the configurations of functions similar to those in the first embodiment, and the description thereof is omitted.

As shown in FIG. 6, the drain member 40 of the second embodiment is attached to the inner door 14 with the bottom plate 14a of the inner door 14 sandwiched between the base portion 22 and the sound insulation portion 26. As shown in FIG. As shown in FIG. 8, the base portion 22 of the second embodiment includes a base body 28 and an opening insertion portion 30, but does not include a flange portion 32 unlike the first embodiment. The base portion 22 of the second embodiment is configured such that the upper surface of the opening insertion portion 30 fitted into the opening portion 18 is aligned with the inner surface of the door inner 14 or is slightly lower. The base portion 22 has a plurality of drain holes 24 arranged so as to surround the support portion 34, and each drain hole 24 penetrates the base portion 22 in the vertical direction.

As shown in FIGS. 5 and 6, in the second embodiment, among the edges of the covering portion 36 of the sound insulating portion 26, the edge 36a of the door inner 14 is extended from the inner surface of the bottom plate 14a. An edge 36b is formed. Between the spaced edge 36a of the covering portion 36 and the bottom plate 14a (the base portion 22), a drainage passing portion 38 is provided so as to open in the horizontal direction. The drain member 40 is attached to the inner door 14 with the bottom plate 14a sandwiched between the extended edge 36b and the base body 28 of the base portion 22 from both sides in the vertical direction. As shown in FIG. 7, the extended edge 36b of the covering portion 36 is offset from the extension line of the imaginary line connecting the support portion 34 and each drain hole 24, so that the adjacent drain holes 24, 24 are separated from each other. located outside the middle. The drainage passing portion 38 is arranged on an extension line of an imaginary line connecting the support portion 34 and each drain hole 24 .

According to the drain member 40 of the second embodiment, the same effects as those of the first embodiment are obtained. In addition to the effects of the first embodiment described above, the drainage member 40 of the second embodiment narrows the drainage passage portion 38 by the extended edge 36b of the covering portion 36, and the extended edge 36b allows the door 10 to be opened. noise can be prevented from entering the inside of the The water drain member 40 of the second embodiment is configured to sandwich the door inner 14 between the covering portion 36 of the sound insulating portion 26 and the base portion 22, and is attached so that the door inner 14 is sandwiched between the base portion 22. Certain collars 32 can be omitted. As a result, by eliminating the flange portion 32 that slightly protrudes inside the door inner 14, water can easily pass through the drain hole 24 provided in the base portion 22. - 特許庁In addition, since the extended edge 36b of the covering portion 36, which contacts the inner surface of the door inner 14, is displaced from the drain hole 24, the presence of the extended edge 36b prevents water from flowing into the drain hole 24. You can avoid getting in the way.

(Third embodiment)
Next, a drain member 50 according to a third embodiment will be described with reference to FIGS. 9 and 10. FIG. In addition, in the third embodiment, the same functional configurations as in the first embodiment are given the same reference numerals as in the first embodiment, and descriptions thereof are omitted.

As shown in FIGS. 9 and 10 , in the drain member 50 of the third embodiment, the sound insulation portion 26 has a support portion 34 rising from the base portion 22 toward the inside of the door 10 . The support portion 34 is formed in a shape having a hollow portion 35 connected to the through hole 22a penetrating the base portion 22, and the support portion 34 of this embodiment has a cylindrical shape. In addition, the sound insulation portion 26 of the third embodiment has a cover portion 36 which is provided so as to be continuous with the support portion 34 and is arranged to cover the drain hole 24 formed by the through hole 22a and the hollow portion 35. there is The support portion 34 is formed with a drainage passage portion 38 penetrating through the wall of the support portion 34 and connected to the hollow portion 35 at the root side connected to the base portion 22 . The drainage passage portion 38 is formed in a linear shape in which the lower opening edge is substantially aligned with the inner surface of the bottom plate 14a of the door inner 14, and as shown in FIG. is preferably formed so that the opening width of is narrow. As described above, in the third embodiment, the sound insulation portion 26 is provided with the drainage passing portion 38 so as to open in a horizontal direction different from that of the drain hole 24 penetrating in the vertical direction. Then, water is drained from the drainage passage portion 38 that opens to the inside of the door 10 through the hollow portion 35 and the through hole 22a. is different. As shown in FIG. 10 , the draining member 50 of the third embodiment has a support portion 34 (opening edge on the lower side of the drainage passage portion 38 ) and the base portion 22 to move the opening edge of the opening portion 18 to the door inner 14 . It is attached to the door inner 14 by sandwiching it from both sides in the vertical direction of the bottom plate 14a.

According to the drain member 50 of the third embodiment, the same effects as those of the first embodiment are obtained. In the drain member 50 of the third embodiment, the through-hole direction of the wall hole 34a that opens to the inside of the door 10 is different from the through-hole direction of the through hole 22a that passes through the base portion 22 and opens to the outside of the door 10. Therefore, it is possible to make it difficult for external sounds to enter the inside of the door 10 through the drain hole 24. - 特許庁

(Change example)
The configuration is not limited to that described above, and may be modified as follows, for example.
(1) Vehicle body components to which the above-mentioned draining member is applied are not limited to doors, but include, for example, members that form the seams between the body and the floor panel, side panels, undercovers, and other drains that require draining. It can be applied to members that are
(2) The draining member is not limited to the configuration in which it is attached to an opening penetrating vertically, but may be attached to an opening penetrating in a horizontal direction or obliquely downward direction.
(3) In the embodiment, the covering portion is inclined so as to approach the base portion as it separates from the supporting portion. However, it may be an inclined surface that approaches the base portion as it moves away from the support portion. Further, the entire covering portion or a surface of the covering portion facing the base portion may be formed parallel to the base portion.
(4) The configuration of each embodiment can be applied to each other. For example, both the mounting structure of the vehicle body structural member using the base portion of the first embodiment and the climbing mounting structure to the vehicle body structural member using the sound insulation portion of the second embodiment may be used for mounting to the vehicle body structural member.

(5) As in the modification of the third embodiment shown in FIGS. 11 and 12, the sound insulation part 26 is arranged such that at least a part of the covering part 36 is more support than the drainage passing part 38 opening to the inside of the door 10. It may be formed so as to protrude from 34 . Such a sound insulation part 26 can prevent noise from entering the door 10 by means of the projecting portion of the covering part 36 arranged inside the door 10 relative to the inner opening of the drainage passing part 38 . The protruding portion of the covering portion 36 from the support portion 34 may be formed so as to approach the base portion 22 as it separates from the support portion 34, or may be formed so as to be parallel to the base portion 22. . The covering portion 36 of the modified example has a projecting portion from the supporting portion 34 that is inclined toward the base portion 22 as the distance from the supporting portion 34 increases, and the covering portion 36 as a whole has a tapered shape. Accordingly, when inserting the sound insulation part 26 into the opening 18 , the covering part 36 serves as a guide, so that the sound insulation part 26 can be easily inserted into the opening 18 .
(6) In the modified example of the third embodiment shown in FIGS. 11 and 12, the overhanging portion of the cover portion 36 from the support portion 34 is arranged so as to face the opening surface of the inner opening of the drainage passage portion 38. can be changed to Not only does the overhanging portion of the covering portion 36 extend further inside the door 10 than the drainage passage portion 38, but also the overhanging portion of the covering portion 36 extends from a position inside the door 10 relative to the drainage passage portion 38 to the drainage passage portion 38. The entrance of noise to the inside of the door 10 can be prevented by forming the door 10 so as to cover the inner opening surface of the door 10 up to the position facing the door 10 .
(7) In the third embodiment and its modifications shown in FIGS. 9 and 11, the support portion 34 was formed in a cylindrical shape, but any shape having a hollow portion serving as a drain hole may be used. may be in the shape of
(8) The support portion is not limited to a shape having a constant thickness between the base portion and the cover portion, and may have other shapes such as a shape that tapers from the base portion toward the cover portion.

10 vehicle body component (door), 18 opening, 22 base, 22a through hole,
24 drain hole, 26 sound insulation part, 34 support part, 35 hollow part,
36 covering portion, 36a spaced edge, 36b extension edge, 38 drainage passing portion

Claims (5)

a base portion arranged in alignment with an opening formed in a vehicle body constituent member constituting the vehicle body so as to penetrate the vehicle body constituent member in the inward and outward directions;
a sound insulation part provided in the base part so as to face an opening surface of a drain hole provided to allow water to drain from the inside to the outside of the vehicle body component, and arranged inside the vehicle body component; , and
The sound insulation part is
a support portion formed to rise from the base portion toward the inside of the vehicle body component;
a covering portion provided continuously with the support portion and disposed so as to cover an opening surface of the drain hole formed to penetrate the base portion in the inward and outward directions;
The covering portion is formed so as to approach or be parallel to the base portion as it separates from the supporting portion, and at least a portion of an edge opposite to a root connected to the supporting portion covers the vehicle body component. placed away from
A drainage passing portion serving as a drainage path communicating with the water drain hole inside the vehicle body component is different from the water drain hole , between the edge of the covering portion separated from the vehicle body component and the base portion. A draining member characterized by always opening in a direction. a base portion arranged in alignment with an opening formed in a vehicle body constituent member constituting the vehicle body so as to penetrate the vehicle body constituent member in the inward and outward directions;
a sound insulation part provided in the base part so as to face an opening surface of a drain hole provided to allow water to drain from the inside to the outside of the vehicle body component, and arranged inside the vehicle body component; , and
The sound insulation part is
a support portion formed to rise from the base portion toward the inside of the vehicle body component;
a covering portion provided continuously with the support portion and disposed so as to cover an opening surface of the drain hole formed to penetrate the base portion in the inward and outward directions;
The covering portion is formed in an umbrella shape and approaches the base portion as it separates from the supporting portion connected to the central portion thereof, and at least a portion of the edge opposite to the base connected to the supporting portion extends from the vehicle body component. placed apart,
A drainage passing portion serving as a drainage path communicating with the water drain hole inside the vehicle body component is different from the water drain hole, between the edge of the covering portion separated from the vehicle body component and the base portion. open in the direction
A draining member characterized by: a base portion arranged in alignment with an opening formed in a vehicle body constituent member constituting the vehicle body so as to penetrate the vehicle body constituent member in the inward and outward directions;
a sound insulation part provided in the base part so as to face an opening surface of a drain hole provided to allow water to drain from the inside to the outside of the vehicle body component, and arranged inside the vehicle body component; , and
The sound insulation part is
a support portion formed to rise from the base portion toward the inside of the vehicle body component;
a covering portion provided continuously with the support portion and disposed so as to cover an opening surface of the drain hole formed to penetrate the base portion in the inward and outward directions;
The covering portion is formed so as to approach or be parallel to the base portion as it separates from the supporting portion, and at least a portion of an edge opposite to a root connected to the supporting portion covers the vehicle body component. placed away from
A drainage passing portion serving as a drainage path communicating with the water drain hole inside the vehicle body component is different from the water drain hole, between the edge of the covering portion separated from the vehicle body component and the base portion. open in the direction of
Among the edges of the covering portion, the body-constituting member is sandwiched from both sides in the inward and outward directions between the base portion and the extended edge formed by extending from the spaced-apart edge separated from the body-constituting member. attached to the vehicle body component
A draining member characterized by: a base portion arranged in alignment with an opening formed in a vehicle body constituent member constituting the vehicle body so as to penetrate the vehicle body constituent member in the inward and outward directions;
a sound insulation part provided in the base part so as to face an opening surface of a drain hole provided to allow water to drain from the inside to the outside of the vehicle body component, and arranged inside the vehicle body component; , and
a drainage passing portion provided in the sound insulating portion and serving as a drainage path leading to the drain hole inside the vehicle body component opens in a direction different from the drain hole;
The sound insulation part is
a support portion formed in a shape having a hollow portion connected to a through hole penetrating the base portion and rising from the base portion toward the inside of the vehicle body component;
a covering portion provided so as to be connected to the support portion and arranged to cover the drain hole formed by the through hole and the hollow portion;
The drainage passage part is formed on the base side of the support part connected to the base part and connected to the hollow part through the wall of the support part,
The support portion and the base portion are attached to the vehicle body component by contacting the opening edges of the opening from both sides in the vehicle body component.
A draining member characterized by: a base portion arranged in alignment with an opening formed in a vehicle body constituent member constituting the vehicle body so as to penetrate the vehicle body constituent member in the inward and outward directions;
a sound insulation part provided in the base part so as to face an opening surface of a drain hole provided to allow water to drain from the inside to the outside of the vehicle body component, and arranged inside the vehicle body component; , and
a drainage passing portion provided in the sound insulating portion and serving as a drainage path leading to the drain hole inside the vehicle body component opens in a direction different from the drain hole;
The sound insulation part is
a support portion formed in a shape having a hollow portion connected to a through hole penetrating the base portion and rising from the base portion toward the inside of the vehicle body component;
a covering portion provided so as to be connected to the support portion and arranged to cover the drain hole formed by the through hole and the hollow portion;
The drainage passage part is formed on the base side of the support part connected to the base part and connected to the hollow part through the wall of the support part,
At least a portion of the covering portion is formed to protrude from the support portion more than the drainage passing portion.
A draining member characterized by:

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