JPH07228139A - Rear door window glass fitting structure - Google Patents

Abstract

PURPOSE:To improve the external appearance quality of a rear door window glass peripheral edge part without increasing the number of part items. CONSTITUTION:The peripheral edge part 12A of rear door window glass 12 is fitted to the opening peripheral edge part 16C of a rear door outer panel 16 by urethane adhesive 26. A dam member 30 is disposed on the outside of the urethane adhesive 26, and the hollow part 30B of the dam member 30 is pressed by a protruding part 28 integrally formed at the opening peripheral edge part 16C. The hollow part 30B is thereby deformed elastically so as to enter into a clearance 24. The clearance 24 is not therefore exposed. The quality of external appearance is improved without increasing the number of part items.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back door window glass mounting structure applied when a back door window glass is mounted on a back door outer panel using an adhesive.

[0002]

2. Description of the Related Art As an example of a conventional backdoor window glass mounting structure, there is a structure described below.

FIG. 5 is a longitudinal sectional view showing a state in which the back door window glass 102 is attached to the back door 100. As shown in this figure, the peripheral edge portion 102A of the back door window glass 102 is attached to the opening peripheral edge portion 108A of the back door outer panel 108 by the urethane adhesive 106. When the back door window glass 102 is attached as described above,
The following points are taken into consideration.

First, considering the manufacturing error of the back door window glass 102, etc., the back door window glass 10
A predetermined gap 112 is formed between the peripheral edge portion 102 </ b> A and the step portion 108 </ b> B of the back door outer panel 108.

The back door window glass 102 is stepped by the step 108 before the urethane adhesive 106 is cured.
In order to prevent the back door window glass 102 from slipping down to the B side and being displaced, positioning spacers 11 are provided on both sides of the back surface of the back door window glass 102.
4 are respectively arranged and these spacers 114
A positioning hole 116 for inserting
It is formed on both sides of A. This prevents the back door window glass 102 from being displaced.

Further, the back door window glass 102
The urethane adhesive 106 leaves a gap 112 when the
In order to prevent it from protruding to the side, a rubber dam member 118 is fixed to the back surface of the peripheral edge portion 102A of the back door window glass 102, and the urethane adhesive 106 that tends to protrude is blocked by this dam member 118.

However, the above-described gap 112 may not have a uniform width due to manufacturing error of the back door window glass 102, etc. If such a gap 112 having a non-uniform width is exposed as it is, the periphery of the back door window glass 102 is exposed. The appearance quality of the portion 102A deteriorates.

[0008] In order to solve this problem
It is also possible to apply the structure disclosed in Japanese Patent Publication No. 41013. The structure disclosed in this publication is mainly applied to a windshield glass mounting structure.

FIG. 6 shows an external perspective view of an automobile, and FIG. 7 shows the mounting structure of the windshield glass 128 on the cowl 120 side in this figure. As shown in this figure, in the structure disclosed in this publication, convex portions 122 projecting upward from the vehicle body are formed on both sides of the opening peripheral edge portion 120A on the cowl 120 side, and the convex portions 122 are formed. On the side surface of the thermosetting adhesive 1 facing the indoor side of the thermosetting adhesive 1
It is adhered by 26. And this spacer 1
A peripheral portion 128A of the windshield glass 128 is brought into contact with an upper portion of a side surface of the spacer 24 facing the indoor side, and in this state, it is fixed to the side surface of the spacer 124 and the opening peripheral portion 120A by a structural adhesive 130. Therefore, also in this structure, a gap is formed between the peripheral edge portion 128A of the windshield glass 128 and the opening peripheral edge portion 120A on the cowl 120 side (between the left and right spacers 124). However, the structure disclosed in this publication Then, the gap is concealed by disposing the resin molding 132 from the peripheral portion 128A of the windshield glass 128 to the opening peripheral portion 120A on the cowl 120 side.

From this, it is conceivable to use the molding 132 for concealing the gap 112 shown in FIG. 5, but since the number of parts increases and the number of assembly steps increases,
It has the disadvantage of increasing costs.

In consideration of the above facts, the present invention utilizes the existing dam member to mount the back door window glass which can improve the appearance quality of the peripheral portion of the back door window glass without increasing the number of parts. The purpose is to obtain the structure.

[0012]

DISCLOSURE OF THE INVENTION The present invention constitutes an outer plate of a back door, has an opening in a central portion, and extends from an ordinary surface through a step portion to an opening peripheral portion which is substantially parallel to the opening. A back door window glass mounting structure that is applied to a back door outer panel equipped with a back door window glass that is set at a predetermined gap with respect to a stepped portion and that is used for closing the opening back door window glass with an adhesive. Set a back door window glass by interposing a rubber dam member that prevents the adhesive from protruding toward the gap side when setting the back door window glass and has a hollow portion between the adhesive and the gap. When this is done, the hollow part of the dam member is pressed toward the back door window glass side to be deformed, and the protruding part that allows the deformed hollow part to enter the gap substantially tightly is provided integrally with the opening peripheral edge. It is characterized in.

[0013]

According to the above construction, the back door window glass is set at a predetermined gap with respect to the step portion of the back door outer panel, and in this state, it is attached to the opening peripheral edge portion of the back door outer panel with an adhesive. At this time, the adhesive tries to protrude to the gap side, but since the rubber dam member is interposed between the adhesive and the gap,
The adhesive is blocked by the dam member. Therefore, the adhesive does not overflow into the gap.

Here, in the present invention, a protrusion is integrally provided on the peripheral edge of the opening of the back door outer panel, and a hollow portion is provided on the dam member described above, and the protrusion is hollow when the back door window glass is set. Is deformed by pressing to the back door window glass side, and the deformed hollow portion is made to enter the above-mentioned gap substantially closely, so it is not possible to expose it outside with the gap as it is. Absent. Therefore, the appearance quality of the peripheral portion of the back door window glass is improved.

Moreover, since the existing part (dam member) is used to close the gap, it is not necessary to use a separate part such as a molding. Therefore, it is possible to reduce the number of parts and the number of assembling steps. Therefore,
The cost can be reduced and the assembling workability can be improved.

Further, since the protruding portion presses the hollow portion of the dam member to deform it, and the deformed portion is allowed to enter the gap substantially tightly, tension is applied to the portion of the hollow portion that enters the gap. ing. Therefore, even if the above-mentioned gap does not have a uniform width due to a manufacturing error of the back door window glass or the like, the gap can be reliably closed.

In addition to the above, since a rubber component (hollow portion of the dam member) is interposed between the gap, that is, the edge of the back door window glass and the step portion of the back door outer panel, the back door is not provided. It is possible to avoid interference between the back door window glass and the back door outer panel when assembling the wind glass.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In addition, an arrow FR, which is shown appropriately in these drawings, indicates the vehicle front side, and an arrow UP indicates the vehicle upper side.

FIG. 4 shows a state in which the back door window glass 12 is removed from the back door 10. As shown in this figure, an opening 14 for attaching the back door window glass 12 is provided at the center of the back door 10.
Is formed, and the back door window glass 12 is attached to the peripheral portion of the opening 14.

In FIG. 1, a back door window glass 12 is shown.
Is attached to the back door outer panel 16 in a vertical section (section taken along line 1-1 in FIG. 4). As shown in FIG. 1, the back door 10 includes a back door inner panel 18 arranged outside the vehicle compartment and a back door outer panel 16 arranged outside the vehicle compartment. The back door outer panel 16 is provided with an opening peripheral edge portion 16C extending in parallel from the general surface 16A through the step portion 16B toward the opening 14 side. Corresponding to this, the terminal 18A of the back door inner panel 18 is also opened 1
It is bent to the 4 side and is in close contact with the back surface of the opening peripheral edge portion 16C.

These opening peripheral portion 16C and terminal 18A
Positioning holes 20 are formed on both sides of the lower edge (FIG. 4 is also shown). Corresponding to this, resin spacers 22 are attached to the back surfaces of both lower edge sides of the peripheral edge portion 12A of the back door window glass 12. More specifically, as shown in FIG. 3, the spacer 22 is a thin rectangular parallelepiped base 22A that is hollow inside with a partition wall in the middle, and a substantially conical insertion that stands from the center of the base 22A. And a part 22B. Of these, the bottom surface of the base portion 22A is adhered to the back surface (the surface on the vehicle interior side) of the peripheral edge portion 12A on the lower edge side of the back door window glass 12 by a double-sided tape (not shown). Then, the insertion portion 22B of the spacer 22 has the positioning hole 20.
The back door window glass 12 is positioned by being inserted into the inside. In addition, as shown in FIG. 1, in the positioned state, the terminal of the peripheral edge portion 12A of the back door window glass 12 faces the step portion 16B of the back door outer panel 16. Therefore, a gap 24 having a dimension P is formed between the end of the peripheral edge portion 12A of the back door window glass 12 and the step portion 16B of the back door outer panel 16.

While the spacer 22 is inserted and positioned in the positioning hole 20 as described above, the back door window glass 12 is attached to the opening peripheral edge portion 16C of the back door outer panel 16 by the urethane adhesive 26 (indicated by a two-dot chain line). Attached).

Here, a projection 28 is integrally formed on the opening peripheral edge portion 16C of the back door outer panel 16 at a position adjacent to the step portion 16B. In addition, this protrusion 28 is
The back door outer panel 16 is simultaneously formed in the process of press molding. Also, this protrusion 28
Are formed over the entire circumference of the opening peripheral edge portion 16C of the back door outer panel 16.

On the other hand, a rubber dam member 30 is provided on the back surface of the peripheral edge portion 12A of the back door window glass 12. More specifically, the dam member 30 includes a base portion 30A having a predetermined thickness and a hollow portion 30 protruding outward from the base portion 30A along the back door window glass 12 by a predetermined amount.
B, and is formed by extrusion molding (may be produced by molding). In addition, this dam member 30
Is also arranged over the entire circumference of the peripheral edge portion 12A of the back door window glass 12 so as to correspond to the protrusion 28 described above.

The operation of this embodiment will be described below. Backdoor window glass 12 backdoor outer panel 1
In the state before being set in the opening peripheral edge portion 16C of No. 6, the hollow portion 30B of the dam member 30 is not deformed and is in the state shown by the two-dot chain line in FIG.

When the back door window glass 12 is attached, first, the spacer 22 on the back surface of the back door window glass 12 is made to correspond to the positioning hole 20 of the opening peripheral portion 16C of the back door outer panel 16. Then, the back door window glass 12 is set on the opening peripheral edge portion 16C of the back door outer panel 16 while inserting the insertion portion 22B of the spacer 22 into the positioning hole 20. As a result, the back door window glass 12 is attached to the back door outer panel 16 by the urethane adhesive 26.
It is attached by being adhered to the opening peripheral portion 16C. At this time, the urethane adhesive 26 tries to squeeze out to the gap 24 side between the end of the peripheral edge portion 12A of the back door window glass 12 and the step portion 16B of the back door outer panel 16, but it is interposed between the two. Base 30 of dam member 30
Blocked by A.

In this embodiment, the dam member 30 is provided with the hollow portion 30B and the back door outer panel 16 is provided.
Since the protrusion 28 is provided on the opening peripheral edge portion 16C of the back door window glass 12, the hollow portion 30B of the dam member 30 abuts and is pressed against the protrusion 28 of the opening peripheral edge portion 16C of the back door outer panel 16. It This allows
The hollow portion 30B of the dam member 30 is elastically deformed into an "∞" shape from the state shown in FIG. 2 to the state shown in FIG. Then, the deformed hollow portion 30B is tightly entered (pushed) into the gap 24. That is, the gap 24 is the hollow portion 30B.
Is closed (sealed) by the elastically deformed portion of the.

As described above, in this embodiment, the hollow portion 30B is provided in the dam member 30 and the back door outer panel 1 is provided.
Since the projection 28 that elastically deforms the hollow portion 30B into the shape of “∞” to close the gap 24 is integrally provided in the opening peripheral edge portion 16C of No. 6, the gap 24 is not exposed from the outside.
Therefore, the peripheral portion 12A of the back door window glass 12
The appearance quality of can be improved.

Particularly, in this embodiment, the rubber dam member 3 is used.
Since the hollow portion 30B of 0 is elastically deformed into the shape of “∞” by the protrusion 28 while closing the gap 24,
Tension can be generated in the elastically deformed portion of the hollow portion 30B. Therefore, even when the width of the gap 24 is not uniform in the back door window glass 12 due to a manufacturing error or the like, the gap 24 can be reliably closed. Therefore, there is an advantage that the appearance quality of the peripheral edge portion 12A of the back door window glass 12 can be improved regardless of the manufacturing error of the back door window glass 12 and the like.

Moreover, since the structure is such that the gap 24 is closed by utilizing the existing dam member 30, the number of parts can be reduced and the number of assembling steps can be reduced as compared with the case where another part such as a molding is used. Can be reduced. Therefore, it is possible to reduce the cost and improve the workability of assembling.

By inserting the hollow portion 30B of the rubber dam member 30 into the gap 24, that is, between the end of the peripheral edge portion 12A of the back door window glass 12 and the step portion 16B of the back door outer panel 16, a hollow portion is formed. Part 30B
Back door window glass 1
It is possible to prevent the terminal of the peripheral portion 12A from interfering with the step portion 16B of the back door outer panel 16 when the two are assembled.

Further, since the protrusion 28 is formed at the same time when the back door outer panel 16 is press-molded, it is easy to manufacture and contributes to cost reduction.

Further, in the case of the conventional structure shown in FIG. 5 described above, dust or the like enters the hatched portion through the gap 112, but in the present embodiment, the gap 24 is tightly closed by the hollow portion 30B of the dam member 30. Since it is closed (sealed), it is possible to prevent dust and the like from entering.

In this embodiment, the urethane adhesive 26 is used as the adhesive, but the adhesive is not limited to this, and the back door outer glass 12 can be securely attached to the peripheral portion 16A of the back door outer panel 16. Any agent can be applied.

[0035]

As described above, the mounting structure of the back door window glass according to the present invention is made of rubber which prevents the adhesive from protruding to the gap side when the back door window glass is set and has a hollow portion. The dam member of is interposed between the adhesive and the gap, and when the back door window glass is set, the hollow part of the dam member is pressed toward the back door window glass side to be deformed and the hollow part after the deformation is made into the gap. Since the protrusions that are allowed to enter in a substantially tight manner are integrally provided at the peripheral edge of the opening, there is an excellent effect that the appearance quality of the peripheral edge of the back door window glass can be improved without increasing the number of parts.

[Brief description of drawings]

1 is a cross-sectional view taken along line 1-1 of FIG. 4 showing a state in which a back door window glass is attached to a back door.

FIG. 2 is a cross-sectional view corresponding to FIG. 1 showing a state before elastically deforming the hollow portion of the dam member in FIG.

FIG. 3 is an enlarged perspective view showing a spacer shown in FIGS. 1 and 2.

FIG. 4 is a schematic perspective view showing a back door and a back door window glass.

5 is a sectional view corresponding to FIG. 1 showing a conventional structure.

FIG. 6 is an external perspective view of an automobile to which another conventional structure is applied.

7 is a view of FIG. 6 showing a main part of the conventional structure shown in FIG.
FIG. 7 is a sectional view taken along line -7.

[Explanation of symbols]

 10 Back Door 12 Back Door Wind Glass 14 Opening 16 Back Door Outer Panel 16A General Surface 16B Step 16C Opening Perimeter 24 Gap 26 Urethane Adhesive (Adhesive) 28 Projection 30 Dam Member 30B Hollow

Claims (1)

[Claims] 1. A back door outer panel which constitutes an outer panel of a back door and which has an opening at a central portion and has an opening peripheral portion extending from a general surface to a side of the opening substantially parallel to an opening side, Backdoor window glass mounting structure that is applied when attaching a backdoor window glass for opening closing that is set with a predetermined gap to the stepped portion with an adhesive. At the time of setting the back door window glass, a rubber dam member that prevents the adhesive from protruding to the gap side and has a hollow portion is interposed between the adhesive and the gap, and the hollow portion of the dam member is set. The protrusion that pushes the rear door window glass side toward the side and deforms the deformed hollow part into the gap almost closely.
The back door window glass mounting structure is characterized in that it is integrally provided at the peripheral edge of the opening.