JP2009023534A - Drain mechanism of glass portion of back door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drain mechanism of a glass portion of a back door capable of preventing entry of water into a luggage compartment when opening the back door and enhancing surface rigidity of window glass. <P>SOLUTION: The drain mechanism is provided on a rear side of a vehicle. The window glass 3 is fixed to the back door 2 by adhesive 4 applied linearly and continuously to a peripheral edge of the window glass 3. An edge 3c of the vehicle width direction of the window glass 3 is extended up to an edge 2c of the vehicle width direction of the back door 2. A portion having a widest width of the vehicle width direction in the window glass 3 forms a corner part 3a. A gap is provided between the edge 3c of the window glass 3 in the corner part 3a and the linear adhesive 4 and between a surface of the back door 2 and a backside of the window glass 3. In the gap, a guide member 9 having a length in a direction along an edge of the edge 3c of the window glass 3 is provided. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a back door of a vehicle, and more particularly, in a vehicle having a window glass extending to an end edge in the vehicle width direction of the back door, water enters the luggage compartment when the back door is opened. It is related with the drainage mechanism of the glass part of the back door which can prevent that and can raise the surface rigidity of window glass.

  2. Description of the Related Art Conventionally, as a back door at the rear of a vehicle, a flip-up type back door that is provided with a hinge mechanism at an upper edge and rotates up and down around the hinge mechanism is used. This back door is fitted with a fitting-type (non-sliding fixed type) window glass, and this window glass is fixed to the back door with a glass adhesive.

As shown in FIG. 5, when the window glass 3 is attached to the back door 2, a glass adhesive 4 is applied to the window glass 3 so as to draw a smooth curve along the shape of the window glass 3. The portion to which the adhesive 4 is applied is fixed to the window frame portion 2 a of the back door 2.
When the glass adhesive 4 is applied to the window glass 3 in this manner, the glass adhesive 4 is applied by a machine at a factory. At this time, the glass adhesive 4 is applied so as to take a certain distance from the edge of the window glass 3 and have a triangular cross section for work reasons.
Here, as shown in FIG. 5, the vehicle width is such that the lower portion of the window glass 3 curves toward the vehicle center along the outer periphery of a rear combination lamp (not shown) arranged at the rear of the vehicle. When the width of the direction is narrowed and the corners 3a are formed at both ends in the vehicle width direction, when the glass adhesive 4 is applied while keeping a certain distance, the cross section is triangular at the corner 3a of the window glass 3. The shaped glass adhesive 4 breaks or falls down. Therefore, the glass adhesive 4 protrudes from the window glass 3 or the window glass 3 cannot be fixed to the back door 2 as intended.
Here, in order to prevent the glass adhesive 4 from being broken or collapsed, a method of reducing the speed of the machine for applying the glass adhesive 4 can be considered. Can not protect. Accordingly, in order to apply the cross-section of the glass adhesive 4 in a stable triangular shape, the corner 3a of the window glass 3 is applied with a moderate curvature radius.

On the other hand, in Patent Document 1, water falling from the side edge side of the back door is applied to the corner portion between the upper edge and the left and right side edges of the flip-up back door provided at the rear part of the vehicle. A raindrop prevention structure for a back door, which is provided with a raindrop prevention member for guiding to the upper edge side, and a draining portion for allowing water overflowing from the raindrop prevention member to flow outward in the vehicle width direction is provided on the raindrop prevention member. Is disclosed.
JP 2004-217152 A

As described above, when the glass adhesive 4 is applied to the corner 3a of the window glass 3 with a gentle radius of curvature, the edge 3b of the corner 3a of the window glass 3 is bonded to the glass as shown in FIG. The distance L1 with the agent 4 is increased. Thus, when the space | interval L1 of the edge part 3b and the glass adhesive 4 in the corner | angular part 3a of the window glass 3 becomes large, the window glass 3 of the back door 2 will be on the vehicle width direction outer side rather than the glass adhesive 4. FIG. It floats from the surface. Therefore, when this portion is pushed strongly when the back door 2 is closed, a heavy burden is placed on the window glass 3.
Further, when the back door 2 is opened and closed in a wet state such as on a rainy day or after being washed, water flows in the direction of an arrow 5 as shown in FIG. At this time, when the back door 2 is viewed from above, as shown in FIG. 8, water enters the gap between the back door 2 and the window glass 3, and the water moves along the glass adhesive 4 in the direction of the arrow 6. To flow. Then, as shown in FIG. 5, the water that has flowed in the direction of the arrow 6 flows in the direction of the arrow 7 due to inertia and gravity at the corner 3 a of the window glass 3, and the edge of the back door 2. Falls downward from the section. Here, as shown by the arrow 8 in FIG. 6, the water flowing down from the back door 2 flows down while being caught inside the vehicle due to surface tension, so that there is a problem that the water enters the cargo compartment and the carpet and luggage get wet.

  In Patent Document 1, an air spoiler and a raindrop prevention member are provided to guide rainwater on the back door, but the lower portion of the back door is directed toward the center of the vehicle along the outer periphery of the rear combination lamp. Since the width in the vehicle width direction is narrowed to draw a curve, water falls from the bottom of the narrowed back door before water flows to the air spoiler at the upper end of the back door. There is a problem that water enters the cargo compartment.

  The present invention has been made in view of such circumstances, and its purpose is to prevent water from entering the luggage compartment when the back door is opened and to increase the surface rigidity of the window glass. It is possible to provide a drainage mechanism for the glass part of the back door.

  In order to solve the above-described problems of the prior art, according to the present invention of claim 1, there is provided a drainage mechanism for the glass portion of the back door provided at the rear of the vehicle, wherein the window glass is lined to the peripheral portion of the window glass. The edge of the window glass in the vehicle width direction extends to the edge of the back door in the vehicle width direction, and is fixed to the back door by an adhesive continuously applied in a shape. The portion of the glass having the largest width in the vehicle width direction forms a corner, the edge of the window glass at the corner and the linear adhesive, and the back door. A gap is provided between the front surface and the back surface of the window glass, and a guide member having a length in the direction along the edge of the edge portion of the window glass is provided in the gap. .

  In this invention of Claim 2, the edge part by the side of the said corner | angular part of the said guide member is arrange | positioned so that it may protrude in the direction which cross | intersects with respect to the said adhesive agent extended in a vehicle width direction.

  In this invention of Claim 3, the ceramic material is affixed on the peripheral part of the said window glass, and the said guide member is arrange | positioned so that it may overlap with the range where the said ceramic material was affixed.

  In this invention of Claim 4, the said guide member is formed with the material which has elasticity.

  As described above, according to the drainage mechanism for the glass portion of the back door according to the present invention, the drainage mechanism for the glass portion of the backdoor provided at the rear of the vehicle, wherein the window glass is lined to the peripheral portion of the window glass. The edge of the window glass in the vehicle width direction extends to the edge of the back door in the vehicle width direction, and is fixed to the back door by an adhesive continuously applied in a shape. The portion of the glass having the largest width in the vehicle width direction forms a corner, the edge of the window glass at the corner and the linear adhesive, and the back door. A gap is provided between the front surface and the back surface of the window glass, and a guide member having a length in the direction along the edge of the edge portion of the window glass is provided in the gap. For, Upon fully opening the backdoor, water that has flowed toward the corner portion of the back door along the adhesive is guided to flow toward the upper edge of the back door by the guide member. Thereby, in the corner | angular part of a back door, it can prevent that water falls from the edge part of the vehicle width direction of a back door, and water penetrate | invades into the luggage compartment of a vehicle. In addition, since the guide member is provided in the existing gap, it is not necessary to change the panel shape of the back door, and the cost can be reduced.

  Furthermore, according to the drainage mechanism for the glass portion of the back door according to the present invention, the end portion on the corner portion side of the guide member is disposed so as to protrude in a direction intersecting the adhesive extending in the vehicle width direction. Therefore, the water flowing toward the corner portion of the back door through the adhesive can be reliably received by the end portion on the corner portion side of the guide member. As a result, the water flowing toward the corner of the back door is surely transmitted to the guide member, and the water falls from the edge of the back door in the vehicle width direction. Can be prevented from entering.

  Further, according to the drainage mechanism of the glass part of the back door according to the present invention, a ceramic material is attached to the peripheral part of the window glass, and the guide member is a range in which the ceramic material is attached. Since the guide member is arranged on the back side of the ceramic material, the guide member is not seen through and the appearance is not impaired.

  Further, according to the drainage mechanism of the glass portion of the back door according to the present invention, since the guide member is formed of an elastic material, the guide member serves as a cushion, and the window glass and the back door panel And the window glass can be prevented from breaking.

  Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a vehicle 1 according to an embodiment of the present invention is provided with a hinge mechanism (not shown) on an upper edge, and a flip-up back door 2 that rotates up and down around the hinge mechanism. I have.
As shown in FIGS. 1 and 2, the back door 2 is formed so that the width in the vehicle width direction is narrowed while drawing an arc toward the vehicle center along the outer periphery of a rear combination lamp (not shown). Yes. An opening 2b surrounded by a window frame 2a is provided at the top of the back door 2, and a window glass 3 is fixed to the back door 2 so as to cover the opening 2b. .
As shown in FIG. 2, the window glass 3 is configured by a fitting type (non-sliding fixed type), and is fixed to the back door 2 using a glass adhesive 4. Further, the lower portion of the window glass 3 is formed so that the width in the vehicle width direction is narrowed while drawing an arc toward the vehicle center side along the outer periphery of the rear combination lamp, similarly to the back door 2. 3, corners 3 a are formed at locations where the width in the vehicle width direction is the largest. And the window glass 3 is extended to the edge part 2c of the vehicle width direction of the back door 2 in the state attached to the back door 2, as shown in FIG.2 and FIG.3.
As shown in FIG. 3, the glass adhesive 4 applied to the window glass 3 is continuously applied in a line along the shape of the window glass 3 with a certain distance from the edge. Further, the glass adhesive 4 is applied to the corner 3 a of the window glass 3 with a gentle radius of curvature. The glass adhesive 4 has a certain thickness in a state in which the window glass 3 is attached to the back door 2, and therefore, the glass adhesive 4 is between the window glass 3 and the back door 2. A gap corresponding to the thickness is provided.

In embodiment of this invention, as shown in FIG.3 and FIG.4, between the edge part 3c of the window glass 3 and the adhesive agent 4 for glass in the corner | angular part 3a of the window glass 3, and of the back door 2 of FIG. A gap S is provided between the surface and the window glass 3. An elongated pad 9 is attached to the gap S. Further, as shown in FIG. 3, the end 9a of the pad 9 on the corner 3a side of the window glass 3 protrudes by a distance L2 in a direction intersecting the glass adhesive 4 extending in the vehicle width direction. Is arranged. And the longitudinal direction of the pad 9 is arrange | positioned so that the edge part 3c of the vehicle width direction of the window glass 3 may be followed.
Here, the pad 9 is formed of an elastic material, and is formed of, for example, rubber. Note that the pad 9 may be attached to the window glass 3 side or the back door 2 side.
As described above, the direction of water flowing to the corner 3a of the window glass 3 can be changed, and a rectifying mechanism that guides water to the upper edge of the window glass 3 can be configured.

  Thus, according to the drainage mechanism of the glass portion of the back door according to the present embodiment, between the edge portion 3c of the window glass 3 and the glass adhesive 4 in the corner portion 3a of the window glass 3, and By providing an elongated pad 9 in the gap S provided between the surface of the back door 2 and the window glass 3, when the back door 2 is fully opened, water on the back door 2 is used for glass. When flowing along the adhesive 4 toward the outside in the vehicle width direction, water that has conventionally flowed as indicated by the arrow 7 in FIG. 5 flows as indicated by the arrow 8 in FIG. 3. Thereby, water does not fall from the edge part 3c of the window glass 3 in the vehicle width direction, and water can be prevented from entering the luggage compartment of the vehicle 1 from the back door 2.

Further, according to the drainage mechanism of the glass portion of the back door according to the present embodiment, the elastic pad 9 serves as a cushion between the window glass 3 and the back door 2, and therefore the corner portion 3 a of the window glass 3. The surface rigidity when a load is applied to can be improved.
As described above, in the case of a shape like the window glass 3 according to the present embodiment, the glass adhesive 4 can be applied at an acute angle along the shape of the window glass 3 at the corner 3 a of the window glass 3. The glass adhesive 4 is applied with a gentle curvature radius due to the limitation of the working speed in the factory. Thereby, in the corner | angular part 3a of the window glass 3, the distance L1 of the edge part of the window glass 3 and the glass adhesive 4 becomes large, and the window glass 3 will be in the state which floated from the surface of the back door 2. FIG. With such a configuration, when a load is applied to the corner 3 a of the window glass 3, the edge of the window glass 3 comes into contact with the back door 2, and a large load may be generated on the window glass 3.
In this embodiment, by providing the pad 9, the pad 9 serves as a cushion between the window glass 3 and the back door 2, so that the surface rigidity of the window glass 3 is improved. Contact with the door 2 can be prevented.

  Furthermore, according to the drainage mechanism of the glass part of the back door according to the present embodiment, the problem of water dripping in the flip-up type back door 2 can be countered by simply sticking a small pad 9, and the manufacturing man-hours and materials required for the countermeasure Measure costs such as cost and weight increase can be reduced.

Moreover, according to the drainage mechanism of the glass part of the back door which concerns on this embodiment, the pad 9 can be arrange | positioned so that it may overlap with the range where the ceramic material of the window glass 3 was affixed.
Since the pad 9 is affixed to the back side of the window glass 3, the pad 9 may be seen through from the outside and the appearance may be impaired. However, in general, in a portion where the panel of the back door 2 and the window glass 3 overlap (a certain range from the edge of the window glass 3), a ceramic material such as black is placed on the window glass 3 for reasons of appearance. It is pasted. Here, the pad 9 is disposed so as to overlap the range where the ceramic material is pasted, and the pad 9 becomes invisible from the outside, so that the appearance of the window glass 3 is not impaired.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and changes can be made based on the technical idea of the present invention.

  In the above embodiment, the guide member is formed of the rubber pad 9. However, the material is not limited to rubber, and any material can be used as long as it has a certain degree of elasticity and can change the flow of water. But it can be substituted.

  In the said embodiment, the pad 9 protrudes in the direction which the edge part 9a in the corner | angular part 3a side of the window glass 3 cross | intersects with the glass adhesive agent 4 extended in a vehicle width direction, and the longitudinal direction of the pad 9 is a window. Although it arrange | positions so that the edge part 3c of the glass 3 may be followed, the sticking position of the pad 9 can be changed according to the shape of the back door 2. FIG. Also, the length of the pad 9 can be changed according to the flow of water on the back door 2.

  Further, in the above embodiment, the rubber pad 9 having elasticity is used separately from the panel of the back door 2, but the panel of the back door 2 is bead processed to form a shape for guiding rainwater. May be.

It is the figure which looked at the vehicle which applies the drainage mechanism of the glass part of the back door which concerns on embodiment of this invention from back. It is a perspective view which shows the back door and window glass which apply the drainage mechanism of the glass part of the back door which concerns on embodiment of this invention. It is a figure which shows the drainage mechanism of the glass part of the back door which concerns on embodiment of this invention. It is AA sectional drawing in FIG. It is a figure which shows the structure of the glass part of the conventional back door in the corner | angular part of a back door. It is BB sectional drawing in FIG. It is the figure which showed the flow path of the water at the time of fully opening a back door, and was seen from the side of the vehicle. It is the figure which showed the flow path of the water at the time of fully opening a back door, and was seen from the upper direction of the vehicle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Back door 2a Window frame part 2b Opening part 2c Edge part 3 of back door Window glass 3a Corner part 3b of window glass Edge part 3c in corner part of window glass Edge part 4 of window glass 4 Adhesive for glass 9 Pad

Claims (4)

A drainage mechanism for a glass part of a back door provided at the rear of the vehicle
The window glass is fixed to the back door by an adhesive that is continuously applied linearly to the peripheral edge of the window glass, and the edge of the window glass in the vehicle width direction is the vehicle width of the back door. The portion that extends to the edge portion in the direction and has the largest width in the vehicle width direction in the window glass forms a corner portion, and the edge portion of the window glass in the corner portion and the linear shape A gap is provided between the adhesive and between the surface of the back door and the back surface of the window glass, and the gap has a direction along the edge of the edge portion of the window glass. A drainage mechanism for the glass part of the back door, characterized in that a guide member having a length is provided on the back door.   2. The glass of the back door according to claim 1, wherein an end portion on the corner portion side of the guide member is arranged to protrude in a direction intersecting with the adhesive extending in the vehicle width direction. Department drainage mechanism.   The ceramic material is affixed to the peripheral part of the said window glass, The said guide member is arrange | positioned so that it may overlap with the range where the said ceramic material was affixed. The drainage mechanism of the glass part of the back door as described in 2. The drainage mechanism for the glass part of the back door according to any one of claims 1 to 3, wherein the guide member is formed of an elastic material.

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