JP4264797B2 - Body seal structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle body seal structure applied to a three-door vehicle.
[0002]
[Prior art]
Conventionally, a rubber seal material such as a weather strip is attached to the mating portion in order to seal between a door panel provided on a side surface of a vehicle and a door opening.
FIG. 9 is a cross-sectional view around the center pillar 1 relating to a three-door type four-wheel drive vehicle. The front door 2 is located at the front and the quarter window 7 is located outside the center pillar 1. ing. Note that the left side in FIG. 9 is the front side, and the right side is the rear side. Among these, the front door 2 is provided with a glass run 4 that supports the door glass 3 so as to be movable up and down, and a weather strip 5 is attached to the rear of the glass run 4. The weather strip 5 is in contact with the front corner portion of the center pillar 1, whereby the space between the front door 2 and the center pillar 1 is sealed.
On the other hand, on the quarter window 7 side, a weather strip 9 attached to the rear part of the center pillar 1 is in contact with the quarter window glass 8 and is sealed from the center pillar 1.
[0003]
[Problems to be solved by the invention]
According to the above structure, there is a gap between the rear end portion of the front door 2 and the front end portion of the quarter window 7. For this reason, it has been pointed out that wind noise is generated during traveling due to this gap.
The present invention has been completed based on the above-described circumstances, and an object thereof is to provide a simple vehicle body seal structure which is excellent in soundproofing performance.
[0004]
[Means for Solving the Problems]
As means for achieving the above object, the invention according to claim 1 is directed to a pair of left and right door panels that can be opened and closed on a side surface of a vehicle body, a side pillar that closes the door panel, and a side pillar that sandwiches the side pillar. In a vehicle provided with a quarter window behind the traveling direction, a part of the door panel and a part of the quarter window are arranged side by side outside the side pillar, and the door panel and the quarter window are arranged. a sealing member for closing the gap between both end faces, a sealing structure of a vehicle body provided with the quarter window, the quarter window, a quarter window glass, is can be mounted to the side pillar on the quarter window glass and a mounting bracket for supporting, over from the top end to the bottom end of the front edge of said quarter window The Kuo is - made of a resin molding covering the mounting bracket mounted thereon with the front edge of Tauindo, together they constitute from said seal member, while forming a mounting projection for mounting the seal member to the mall, It said sealing member to form a mounting hole for inserting the attachment protrusion, thereby fixing the seal member to the mall by using the this mounting projection and mounting holes, engages on one of the mall or the mounting bracket A lock arm having a pawl is provided, and on the other side, a lock hole that can be locked to the lock pawl is provided, and both the molding member that fixes the seal member and the mounting bracket are locked with the lock pawl. a resilient locking due to pores, by an adhesive applied between the facing surfaces of the molding and the mounting bracket on was configured to be secured to the double With a butterfly.
[0006]
[Action and effect of the invention]
<Invention of Claim 1>
According to the first aspect of the present invention, the seal member is provided on any one of the door panel, the quarter window, and the side pillar, and when the door panel is in the closed state by the seal member, between the both end surfaces of the door panel and the quarter window. The gap is closed. Therefore, it is possible to reduce wind noise generated during vehicle travel.
[0008]
In the present invention, the molding is made of resin, and the mounting means for mounting the seal member is integrally formed. Therefore, a dedicated part is not required for attaching the seal member, and the structure is simplified. In this case, if the molding and the seal member are assembled in a separate process prior to the assembly process in the automobile assembly line, it is not necessary to perform the assembly work of the seal member alone in the automobile assembly line. Excellent in properties.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS.
In this embodiment, the present invention is applied to a three-door vehicle 20 among four-wheel drive vehicles in which both specifications of a three-door vehicle 50 and a five-door vehicle 20 are set. Although the 5-door vehicle 20 and the 3-door vehicle 50 share components as described later, the structure of the 5-door vehicle 20 will be briefly described first, and then the 3-door vehicle 50 will be described. In the following description, the traveling direction of the vehicle is the front side, and the backward direction of the vehicle is the rear side.
FIG. 1 shows a side view of a five-door vehicle 20. A front door 21, a center pillar 29, a rear door 31, and a rear pillar 40 are arranged in order from the front side on the side of the vehicle body, and behind that A quarter window 60 is set.
[0011]
As shown in FIG. 2, the center pillar 29 includes an outer panel 29A, an inner panel 29B, and a reinforcement panel 29C, and welded flanges 29D and 29E provided at end portions of the panels 29A, 29B, and 29C. It is fixed by. Further, the rear door sash 22 of the front door 21 and the front door sash 32 of the rear door 31 are arranged side by side on the outer surface side of the outer panel 29 </ b> A and cover the outside of the center pillar 29. However, since a slight gap must be set between the opposing ends, the front door 21, the rear door 31, and the center pillar 29 are subjected to a sealing process as described below. .
[0012]
Since the structure of the seal is substantially the same on the rear side of the front door 21 and the front side of the rear door 31, the front door 21 side will be described as an example. First, the rear door sash 22 of the front door 21 is provided with a glass run 24 and a door channel 25 that support the glass 23 so as to be movable up and down, and a partitioning portion 26 is extended from the end of the glass run 24 to the rear of the vehicle body. Yes. A mounting bracket 27 having a mounting recess is formed behind the glass run 24, and a weather strip 43 is fitted and fixed thereto. The weather strip 43 can be brought into contact with a corner portion of the center pillar 29.
On the other hand, a weather strip 44 is attached to the joint flange 29 </ b> D of the center pillar 29, and a tip portion thereof is in contact with the door channel 25. Thus, the space between the front door 21 and the center pillar 29 is sealed by the weather strips 43 and 44.
[0013]
Next, a structure for closing the gap between the front door 21 and the rear door 31 will be described. A weather strip 45 is fixed to the center of the outer surface of the center pillar 29 by adhesion and elastic locking. Specifically, the weather strip 45 has a substantially trapezoidal outer shape, and is provided with a locking projection 45A that can be locked to the center pillar 29 on the bottom surface thereof, and a mounting hole (not shown) on the center pillar 29 side. Is provided.
[0014]
A lip piece 45B extending laterally is formed at the upper end of the weather strip 45, while a seal receiving surface 26A is provided at the tip of the parting portion 26 of the rear door sash 22, and the lip piece 45B is The rear door sash 22 comes into contact with the seal receiving surface 26A.
Also on the front door sash 32 side, the seal receiving surface 32A provided on the front side of the rear door 31 and the upper surface 45C of the weather strip 45 are in contact with each other. Thus, the gap between both end surfaces of the rear door sash 22 of the front door 21 and the front door sash 32 of the rear door 31 is blocked from the upper end to the lower end of the door sashes 22 and 32.
In the present embodiment, the weather strip 45 is provided on the center pillar 29 as described above. However, the weather strip 45 may be provided on the front door sash 32 side of the rear door 31 to close the space between the rear door sash 22 and the rear door sash 22. .
[0015]
Next, the rear pillar 40 side will be described.
Similarly to the center pillar 29, the rear pillar 40 is composed of three panels 40A, 40B, and 40C, and joint flanges 40D and 40E are provided on the left and right sides thereof.
A rear door sash 33 of the rear door 31 is located at the front part outside the rear pillar 40. The rear door sash 33 has substantially the same structure as that of the rear side of the front door 21 and includes a glass run 34, a door channel 35, a parting portion 36, and a mounting bracket 37. Among these, the extension amount of the parting part 36 to the rear is shorter than that of the parting part 26 of the front door 21. Further, a quarter window (details will be described for a three-door vehicle) 60 is attached from the outer central portion of the rear pillar 40 to the rear.
[0016]
The seal structure around the rear pillar 40 will be described. As with the center pillar 29, weather strips 46 and 47 are also provided on the joint flanges 40D and 40E of the rear pillar 40, respectively. The front weather strip 46 is provided on the door channel 35 and the rear weather strip 47 is provided on the quarter window 60. Each comes into contact. As a result, the seal between the rear pillar 40 and the rear door 31 and the seal between the rear pillar 40 and the quarter window 60 are made.
[0017]
Further, a weather strip 48 is attached to the rear of the glass run 34 in the same manner as the glass run 24 of the front door 21. The weather strip 48 is provided with a contact portion 48A and a contact portion 48B, of which the contact portion 48A is in contact with the rear pillar 40. On the other hand, the contact portion 48B comes into contact with the receiving piece 80A of the molding 80 attached to the front edge of the quarter window 60, whereby the rear door sash 33 and the end face of the quarter window 60 are provided. A gap therebetween is blocked from the upper end to the lower end of the front edge of the quarter window 60. In the present embodiment, the mall 80 on the quarter window 60 side is a dedicated part for the five-door vehicle 20.
[0018]
Next, the three-door vehicle 50 will be described. The body shape on the front side of the three-door vehicle 50 is set to be similar to the body shape on the front side of the five-door vehicle 20, and the front door of the five-door vehicle 20 is common to the front door of the three-door vehicle 50. in use.
FIG. 3 shows a side view of a three-door vehicle 50. From the front side of the vehicle body, a front door 21 (corresponding to a door panel of the present invention), a center pillar (corresponding to a side pillar of the present invention) are shown. 51 and a quarter window 60 are sequentially provided. Of these, the front door 21 has already been described with respect to the five-door vehicle 20, and the description thereof will be omitted. Similarly to the center pillar 29 of the five-door vehicle 20, the center pillar 51 includes three panels, that is, an outer panel 51A, an inner panel 51B, and a reinforcement panel 51C. 51E is provided. Further, weather strips 75 and 76 are attached to the joining flanges 51D and 51E, respectively.
[0019]
Next, the quarter window 60 will be described with reference to FIGS.
The quarter window glass 61 is attached to the center pillar 51 via a hinge 62 (corresponding to the mounting bracket of the present invention) described later on the front end side, and to the rear part of the vehicle body via a locking means (not shown). Installed. Thus, the quarter window glass 61 can be displaced between a closed position where the quarter window glass 61 is closed on the vehicle body side and an open position where the quarter window glass 61 is swung outwardly through the hinge 62 by performing an unlocking operation. Has been.
[0020]
Next, the structure of the hinge 62 will be specifically described.
The hinge 62 is made of metal, and a pair of upper and lower portions are arranged on the center portion of the outer panel 51 </ b> A of the center pillar 51. Each hinge 62 includes two mounting plates 63 and 64 that are rotatable with respect to the shaft center 62A. One side 63 of the mounting plate has a flat plate shape and is attached to the outer panel 51 </ b> A, and the other side 64 is provided with a holding portion 64 </ b> A having a U-shape at the tip portion, and there is a front end of the quarter window glass 61. The side is attached by urethane bonding.
[0021]
Further, a molding 66 is arranged from the upper end to the lower end of the front edge of the quarter window glass 61 (see FIG. 4) to cover and protect the hinge 62. The molding 66 is made of a hard synthetic resin such as acrylonitrile, butadiene, styrene (ABS) and the like has an L-shaped cross section, and the holding portion 64A of the hinge 62 can be accommodated between the opposing surfaces. (See FIG. 8). In the assembled state, the flange located on the vehicle outer side is referred to as an outer flange 68, and the flange located on the vehicle compartment side is referred to as an inner flange 67.
[0022]
The molding 66 is fixed to the hinge 62 by urethane bonding and elastic locking by the locking claw 69A. More specifically, the side surface of the inner flange 67 is provided with a lock arm (corresponding to a locking portion of the present invention) 69 provided with an inward locking claw 69A at the tip, while on the hinge 62 side. Is provided with a locking hole (corresponding to a locking receiving portion of the present invention) 65 that can be locked with the lock arm 69. When attaching, after inserting the lock arm 69 of the molding 66 into the locking hole 65 of the hinge 62 and then applying an adhesive between the inside of the outer flange 68 of the molding 66 and the outer periphery of the holding portion 64A, The flange 68 and the holding portion 64A are fixed. Thereby, the locking claw 69A is locked to the hole edge of the locking hole 65, and the molding 66 is prevented from being removed.
[0023]
Incidentally, a seal member 70 is attached to the inner flange 67 of the molding 66 (the attachment method will be described later). The seal member 70 is vertically installed along the molding 66, the upper end position thereof is the same height as the upper end of the molding 66, and the lower end position is somewhat lower than the lower end of the molding 66 ( (See FIG. 4). The seal member 70 is made of rubber and includes a seal portion 71 formed in a U-shape and an attachment portion 72 extending from an end portion of the seal portion 71. The flanges constituting the seal portion 71 are respectively a seal piece 71A, a projecting piece 71B, and a sliding contact piece 71C. As will be described later, the seal receiving surface 26A provided on the front end of the partitioning portion 26 is the outer surface side of the seal piece 71A. The gap between the end surfaces of the front door 21 and the molding 66 is blocked from the upper end to the lower end of the molding 66.
[0024]
The attachment method will be described. Four attachment holes 72A (two in the figure) are provided in the upper and lower sides of the attachment portion 72, while the outer surface of the inner flange 67 of the molding 66 described above. A mounting protrusion (corresponding to the mounting means of the present invention) 67A that can be inserted into the mounting hole 72A is integrally formed at a corresponding position. Thus, after the protrusion 67A of the seal member 70 is inserted into the mounting hole 72A of the molding 66, the sealing member 70 and the molding 66 can be fixed by applying pressure and heating deformation to the protrusion 67A (thermal caulking). ). The process of assembling the molding 66 and the seal member 70 is performed in a state where both the parts 66 and 70 are single.
[0025]
FIG. 6 is a sectional view around the center pillar 51, and the seal structure will be described. First, from the front side, as in the case of the five-door vehicle 20, the weather strip 75 of the joining flange 51D abuts against the door channel 25, and the weather strip 43 at the rear of the glass run 24 is formed at the corner portion of the outer panel 51A. They are in contact with each other. Thereby, the space between the front door 21 and the center pillar 51 is sealed.
Next, on the rear side of the center pillar 51, the weather strip 76 of the joining flange 51E is in contact with the surface of the quarter window glass 61. Thereby, the space between the center pillar 51 and the quarter window 60 is sealed.
[0026]
At the center portion of the center pillar 51, the outer surface side of the seal piece 71A of the seal portion 71 is in surface contact with the seal receiving surface 26A of the partitioning portion 26, and this contact state is caused by the tension piece 71B and the sliding contact piece 71C. Is maintained. That is, a protruding piece 71B is provided downward from the front end of the seal piece 71A, and a sliding contact piece 71C is provided rearward from the lower edge of the protruding piece 71B. The sliding contact piece 71C is in surface contact with the outer panel 51A. Yes. As a result, the tension piece 71B is stretched between the sliding contact piece 71C and the seal piece 71A, and the tip portion of the seal piece 71A is not deformed downward. Therefore, the gap between the end portions of the front door 21 and the quarter window 60 is closed.
[0027]
Next, the effect of this embodiment comprised as mentioned above is demonstrated concretely.
In the three-door vehicle 50 in which the five-door vehicle 20 and the front door 21 are shared, when the front door 21 is in an open state, the weather strip 75 and the door channel are arranged on the front door 21 side as shown in FIG. 25, the weather strip 43 and the center pillar 51, and the seal piece 71A of the seal member 70 and the seal receiving surface 26A of the parting portion 26 are in a separated state.
In this state, the seal member 70 is inclined with respect to the center pillar 51, the front end side of the sliding contact piece 71C is in contact with the outer panel 51A, and the rear end side is in a floating state.
On the other hand, on the quarter window 60 side, the weather strip 76 is in contact with the quarter window glass 61 and is sealed.
[0028]
When the front door 21 is closed with respect to the center pillar 51 from this state, the weather strip 75 and the door channel 25 and the weather strip 43 and the center pillar 51 come into contact with each other, and the space between the front door 21 and the center pillar 51 is sealed. . Further, the sealing member 70 is pressed toward the center pillar 51 side from the vehicle outer direction by the parting portion 26. Then, the slidable contact piece 71C of the seal member 70 moves along the outer surface of the outer panel 51A, and the seal member 70 is displaced from the oblique posture. As shown in FIG. It comes in close contact with the surface. Along with this, the seal piece 71 </ b> A also becomes a horizontal posture and comes into close contact with the seal receiving surface 26 </ b> A of the parting unit 26 by the flat surfaces. Thus, the gap between the opposing end surfaces of the front door 21 and the molding 66 is closed. Therefore, it is possible to reduce wind noise generated during vehicle travel.
[0029]
By the way, in order to attach such a quarter window 60 to the vehicle body, the molding 66 and the seal member 70 and the quarter window glass 61 and the hinge 62 are assembled in advance, and then both the members are assembled and the quarter window 60 is assembled. Leave as a unit. As described above, since the seal member 70 can be attached to the quarter window 60 in advance, it is necessary to perform a dedicated operation for attaching the seal member 70 on the vehicle body in the assembly line of the automobile manufacturing factory. No workability and excellent workability.
[0030]
Further, the molding 66 is made of synthetic resin, and an attachment projection 67A for attaching the seal member 70 is integrally formed. Therefore, a dedicated part is not required to attach the seal member 70, and the structure is simplified.
Furthermore, work efficiency is improved when assembling the parts. That is, in this embodiment, the molding arm 66 is provided with the lock arm 69 and the locking hole 65 is provided on the hinge 62 side. Are fixed. Therefore, it is possible to reduce the application amount of the adhesive necessary for adhesion.
[0031]
<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention, and further, within the scope not departing from the gist of the invention other than the following. Various modifications can be made.
[0032]
(1) Although the quarter window 60 can be opened and closed in the present embodiment, it may be a fixed type.
[0033]
(2) In this embodiment, the molding 80 of the five-door vehicle 20 and the molding 66 of the three-door vehicle 50 are separate parts, but the molding 66 on the three-door vehicle side may be shared. The seal member 70 may not be used for the door wheel 20.
[Brief description of the drawings]
FIG. 1 is a side view of a five-door vehicle according to an embodiment of the present invention. FIG. 2 is a cross-sectional view taken along line AA in FIG. FIG. 5 is an exploded perspective view of a quarter window of a three-door vehicle. FIG. 6 is a cross-sectional view taken along line B-B of FIG.
7 is a cross-sectional view taken along the line BB in FIG. 4 (showing a front door opened state).
8 is a cross-sectional view taken along line CC in FIG. 4. FIG. 9 is a perspective view of a conventional example.
21 ... Front door (door panel)
51 ... Center pillar (side pillar)
60 ... Quarter window 61 ... Quarter window glass 62 ... Mounting bracket 65 ... Locking hole (locking receiving portion)
66 ... Mole 67A ... Mounting protrusion (mounting means)
69 ... Lock arm (locking part)
70: Seal member

Claims (1)

In a vehicle provided with a pair of left and right door panels that can be opened and closed on the side of the vehicle body, a side pillar that closes the door panel, and a quarter window provided behind the side pillar in the traveling direction of the vehicle body,
A seal member that is arranged so that a part of the door panel and a part of the quarter window are located side by side on the vehicle exterior of the side pillar, and seals a gap between both end faces of the door panel and the quarter window, A vehicle body seal structure provided in the quarter window,
Said quarter window, a quarter window glass, the side and mounting bracket for the pillar on the set to be mounted for supporting the quarter window glass, said quarter window of the front edge upper end disposed over the lower end of the Kuo of - A resin molding that covers the front edge of the window and a mounting bracket attached thereto, and the sealing member, and
An attachment protrusion for attaching the seal member to the molding is formed, and an attachment hole for inserting the attachment protrusion is formed in the seal member, and the seal member is attached to the molding by using the attachment protrusion and the attachment hole. While fixing
Either the molding or the mounting bracket is provided with a lock arm having a locking claw , and the other is provided with a locking hole that can be locked to the locking claw, and the molding with the sealing member fixed thereto and the mounting Both members of the metal fitting are configured to be fixed in a double manner by elastic locking by the locking claw and the locking hole and an adhesive applied between the facing surfaces of the molding and the mounting metal fitting. Body seal structure.

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