JP2008114725A - Vehicular door sash structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular door sash structure enabling a width of an ornamental mall arranged at a door sash to be narrowed and showing a superior assembling workability. <P>SOLUTION: This vehicular door sash structure 100 comprises a door sash 110 having a closed section 111 extending along an edge part of a vehicular door window pane 4 and a protruded surface 112 protruded from the closed section 111 to an outer side in a vehicular width direction, a mall 120 substantially extending along the door sash 110 and arranged outside a vehicle while being exposed, a clip 130 formed by resilient material, fixed to the inner surface of the mall 120 and holding the protruded surface 112 of the door sash 110, a protrusion formed to protrude from one of the clip 130 and the door sash 110 to the other and a cavity 113 formed at the other and having the protrusion engaged with it. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a door sash structure of a vehicle such as an automobile, and more particularly to a hidden type door sash structure in which almost the entire width of a sash is covered with a molding.

A door window glass of a vehicle such as an automobile extends along an outer peripheral edge portion thereof, and is provided with a sash (window frame) that supports the glass. It is known that such a sash is provided with a design (decoration) molding for the purpose of improving the appearance quality.
In addition, when the door sash portion is viewed from the outside of the vehicle, a structure of a hidden type is proposed in which almost the entire door sash is covered with a molding and a weather strip, and the door sash body is not exposed to the outside.
2. Description of the Related Art Conventionally, in a hidden type door sash structure, a structure in which a molding is fixed to a flat portion formed by protruding from a sash body with a rivet is known (see, for example, Patent Document 1).
JP-A-11-334367

In the hidden type door sash structure, it is desirable to make the width of the molding as thin as possible in order to further improve the appearance quality.
However, when the molding is fixed to the door sash with rivets, screws, or the like as in the above-described prior art, the rivets and screws to be used protrude from the mounting surface portion of the sash. It was necessary to secure the mall width.
Furthermore, when the molding is fixed with rivets or screws, there is a problem that it takes a lot of work time in the vehicle assembly line and lowers productivity.
In view of the above-described problems, an object of the present invention is to provide a vehicle door sash structure that can reduce the width of a molding and is excellent in assembling workability.

The present invention solves the above-described problems by the following means.
According to a first aspect of the present invention, a door sash that extends along an edge of a door window glass of a vehicle and has a closed cross-sectional portion and a protruding surface portion protruding outward from the closed cross-sectional portion in the vehicle width direction, and the door sash A molding that extends substantially along and is exposed to the outside of the vehicle, and is formed of an elastic material and is fixed to the inner surface of the molding, and the protruding surface portion of the door sash is A clip to be clamped, a protrusion formed to protrude from one side of the clip and the door sash to the other side, and a recess formed on the other side of the clip and the door sash, to which the protrusion is engaged A vehicle door sash structure.

According to a second aspect of the present invention, in the vehicle door sash structure according to the first aspect, the clip has an engagement surface portion that engages with a folded portion provided at an end portion in the width direction of the molding. This is a vehicle door sash structure.
According to a third aspect of the present invention, in the vehicle door sash structure according to the first or second aspect, the clip is brought into pressure contact with an end edge portion of the projecting surface portion of the door sash to project the clip. A vehicular door sash structure having an urging means for urging in a direction of pulling out from a surface portion.

According to the present invention, the following effects can be obtained.
(1) Since the clip which clamps the protrusion surface part of a door sash protrudes from the protrusion surface part only to the thickness of the material, compared with the prior art which uses a rivet or a screw, for example, the normal line of the protrusion surface part of a molding fixing part The dimension in the direction can be reduced, and therefore the width of the molding can be reduced.
In addition, the clip is formed of an elastic material and has a convex portion or a concave portion that engages with the concave portion or the convex portion of the door sash. The molding can be mounted with one touch, and after the mounting, the drop is prevented by the engagement between the convex portion and the concave portion. Thereby, the assembly workability of the door sash structure can be improved.
Furthermore, since the mounting strength of the molding can be improved by the above-described configuration, the support rigidity of the glass run that supports the door window glass can be improved, and the suction of the glass during high-speed traveling can be suppressed.
(2) By adopting a configuration in which the clip has an engagement surface portion that engages with the folded portion at the end of the molding, the molding can be prevented from rolling (rotating or twisting about an axis substantially along the longitudinal direction), and appearance quality can be improved. It can be improved further.
(3) Engage the clip and the door sash by having a configuration in which the clip has an urging means that pressurizes and contacts the edge of the protruding surface portion of the door sash to urge the clip from the protruding surface portion. The rattling caused by the dimensional difference between the convex and concave portions to be eliminated can be eliminated, the surface accuracy of the molding surface can be improved, and the appearance quality can be further improved.

  An object of the present invention is to provide a vehicle door sash structure that can reduce the width of a molding and is excellent in assembling workability. A U-shaped clip made of sheet metal is fixed to the inner surface of the molding, and the door sash is provided. The problem was solved by holding the protruding surface portion protruding from the clip with the clip and engaging the protrusion of the clip with the hole of the protruding surface portion.

Embodiments of a vehicle door sash structure to which the present invention is applied will be described below.
FIG. 1 is a schematic side view of a vehicle provided with the door sash structure of the embodiment.
The vehicle 1 is, for example, a passenger car, and includes a cabin 2, a door 3, a door window glass 4, a side roof frame 5, an A pillar 6, a B pillar 7, and a door sash portion (door sash structure) 100.

The cabin (vehicle compartment) 2 includes a space for accommodating passengers and the like.
The door 3 is attached to a door opening provided on the side of the cabin 2 so as to be opened and closed.
The door window glass 4 is a plate-shaped tempered glass that is mounted on the door 3 so as to be movable up and down. To do. The door window glass 4 has a substantially trapezoidal shape in which a front edge and a rear edge of the door window glass 4 are formed in accordance with the inclination of the A pillar 6 and the B pillar 7, respectively.

The side roof frame 5 is a closed cross-sectional portion that constitutes a side end portion of the roof of the cabin 2, and extends in the vehicle front-rear direction substantially along the upper edge of the door window glass 4 in the raised position.
The A-pillar 6 is a column-shaped closed cross-section that supports the front end of the roof 5, and is interposed between the side edge of the front window glass and the front edge of the door window glass 4. Yes.
The B pillar 7 is a column-shaped closed cross section that supports an intermediate portion of the side roof frame 5 in the front-rear direction, and extends substantially along the rear edge of the door 3 and the door window glass 4.
Each of the side roof frame 5, the A pillar 6, and the B pillar 7 is formed by pressing a steel plate, for example, and constitutes a part of the monocoque structure of the vehicle.

The door sash part 100 is a window frame that extends substantially along the front edge, upper edge, and rear edge of the door window glass 4 in the raised position and supports the door window glass 4.
The configuration of the door sash portion 100 will be described in detail below.
FIG. 2 is a perspective sectional view of the door sash portion 100, and shows a state in which the door sash portion 100 is cut from the AA portion in FIG. .
FIG. 3 is a diagram illustrating a state in which the door sash portion 100 of FIG. 2 is disassembled.
In FIG. 2 and FIG. 3, each weather strip and glass run to be described later are not shown.
4, 5, and 6 are cross-sectional views taken along arrows IV-IV, VV, and VI-VI in FIG. 3, respectively.

The door sash portion 100 includes a door sash body 110, a molding 120, a clip 130, a weather strip 140, and a glass run 150.
The door sash body 110 is a frame-like member that extends along the outer peripheral edge of the door window glass 4 and supports the door window glass 4, and includes a closed section 111 and a protruding surface 112.

The closed cross-section portion 111 is formed in a substantially rectangular cross-sectional shape when viewed along a plane perpendicular to the longitudinal direction of the door sash body 110, and the long side direction is the vehicle width direction as shown in FIG. It is arranged to be inclined so that the outer side is higher than the inner side.
Further, the end surface of the closed cross-section portion 111 on the outer side in the vehicle width direction is arranged to face the surface portion on the vehicle interior side at the upper end portion of the door window glass 4 at the raised position.
On the other hand, the end surface on the inner side in the vehicle width direction of the closed cross-section portion 111 is in contact with the door weather strip 5a attached to the roof side frame 5 to prevent water and the like from entering the vehicle interior from the upper portion of the door sash portion 100. .
An opening (concave portion) 113 that engages with an engagement protrusion 133 (to be described later) of the clip 130 is formed on the upper surface portion of the closed section 111. The opening 113 is formed in a rectangular shape and penetrates the upper surface portion of the closed cross section 111.

The protruding surface portion 112 is a flat plate-like portion that protrudes from the upper end portion of the closed cross-section portion 111 on the outer side in the vehicle width direction to the outer side in the vehicle width direction and upward.
Here, the door sash body 110 is formed, for example, by roll-forming a single steel plate, and the projecting surface portions are both end portions in the width direction (direction orthogonal to the longitudinal direction) of the band plate that is the base material. The parts corresponding to are overlapped and closed.
Further, the upper surface portion of the projecting surface portion 112 constitutes a plane that is continuous with the region on the outer side in the vehicle width direction of the upper surface portion of the closed cross-section portion 111, and the above-described opening 113 is formed in this plane portion.

The molding 120 is a design (decoration) part that covers the outside of the door sash body 110 in the vehicle width direction. The molding 120 is formed by roll forming a steel plate, for example, and is subjected to surface treatment such as painting and plating. It has been subjected. The molding 120 is attached to, for example, a region adjacent to the front edge and the upper edge of the door window glass 4 in the door sash portion 100.
The molding 120 includes a side surface 121, a lower folded portion 122, an upper folded portion 123, an attachment surface portion 124, and an inner folded portion 125, which are integrally formed by the roll forming described above.

The side surface portion 121 is a surface portion exposed to the outer surface side of the vehicle, and is formed in a substantially flat band plate shape.
The lower folded portion 122 is a portion where the lower end portion of the side surface portion 121 is folded in a U shape inward in the vehicle width direction, and the U-shaped groove opens upward.
The upper folded portion 123 is a portion where the upper end portion of the side surface portion 121 is folded inward in the vehicle width direction and is folded so that the cross-sectional shape is substantially S-shaped on the inner surface side of the side surface portion 121.
The attachment surface portion 124 is a flat plate-like portion formed on the inner side in the vehicle width direction and projecting obliquely downward from the lower end portion of the upper folded portion 123.
The inner folded portion 125 is formed by bending upward from the inner end in the vehicle width direction of the mounting surface portion 124, and is a portion that supports the weather strip 140 from the inner side in the vehicle width direction.

The clip 130 fixes the molding 120 to the door sash body 110, and is formed, for example, by stamping and pressing a steel plate.
As shown in FIG. 3 and the like, the clip 130 includes a flat plate portion 131, a sandwiching portion 132, an engaging projection 133, a molding engaging portion 134, and a foam tape holding portion 135, which are integrally formed.

  The flat plate portion 131 is a portion fixed to the mounting surface portion 124 by spot welding in a state where the upper surface thereof is in contact with the lower surface of the mounting surface portion 124 of the molding 120. Further, as shown in FIG. 2 and the like, the flat plate portion 131 has a lower surface portion of the upper surface of the protruding surface portion 112 of the door sash body 110 and the upper surface of the closed cross-section portion 111 in a state where the door sash structure is assembled. It arrange | positions in the state contact | abutted with the area | region of the protrusion surface part side. Further, the flat plate portion 131 is in a state in which the end portion on the inner side in the vehicle width direction protrudes from the end portion on the inner side in the vehicle width direction of the mounting surface portion 124 of the molding 120.

  The sandwiching portion 132 is formed by folding a band plate-shaped region that protrudes and punches out from the end of the flat plate portion 131 on the outer side in the vehicle width direction, and is folded back to the lower side of the flat plate portion 131. As shown in FIG. 4 and the like, the flat plate part 131 and the sandwiching part 132 are substantially U-shaped when viewed from the longitudinal direction of the door sash part 100, and the protruding surface part 112 of the door sash body 110 is It is inserted and clamped in the groove on the U-shaped inner surface side. In addition, the front end portion (the end portion on the inner side in the vehicle width direction) of the sandwiching portion 132 is bent obliquely downward to facilitate attachment to the door sash body 110, and the edge portion of the projecting surface portion 112 is made to be the flat plate portion 131. And the holding part 132 are guided when inserted.

  The engaging protrusion 133 is formed by protruding a part of the flat plate portion 131 downward by press working. The engagement protrusion 133 is inserted into and engaged with the opening 113 of the door sash body 110 described above, thereby preventing the clip 130 from dropping (detaching) from the door sash body 110 after mounting.

  The molding engaging portion (mold rolling prevention portion) 134 is an end portion on the outer side in the vehicle width direction of the flat plate portion 131, and projects downward from a position spaced apart in the longitudinal direction of the door sash portion 100 with respect to the sandwiching portion 132. It is a flat plate-shaped surface portion. As shown in FIG. 5 and the like, in a state where the door sash portion 100 is assembled, the lower end portion (tip portion) of the molding engaging portion 134 is inserted into the lower folded portion 122 of the molding 120.

The foam tape holding portion 135 is an end portion on the outer side in the vehicle width direction of the flat plate portion 131 and protrudes downward from a region between the sandwiching portion 132 and the molding engaging portion 134 in the longitudinal direction of the door sash portion 100. It is a formed flat surface portion.
As shown in FIG. 6, the foam tape holding portion 135 is disposed to face the edge of the protruding surface portion 112 of the door sash body 110 with a space therebetween. The foamed tape T is held in a compressed state between the edge of the projecting surface portion 112 and the foamed tape holding portion 135.
Foam tape T is an elastic foam seal material made of, for example, polyvinyl chloride, urethane, rubber-based material, etc., and is formed in a tape shape (strip shape) in which the cross-sectional shape orthogonal to the longitudinal direction is a substantially rectangular shape. Has been. The foamed tape T has an adhesive applied to a part of its side surface, and is adhered to the foamed tape holding part 135 of the clip 130 by its adhesive force.

  The weather strip 140 prevents water and the like from entering the vehicle interior through the gap between the upper portion of the door sash portion 100 and the side roof frame 5, and is formed of a rubber-based material or the like. 123 and the inner folded portion 125.

  The glass run 150 is disposed along the inner peripheral edge of the door sash 100 and supports the outer peripheral edge of the door window glass 4 so as to be movable up and down, and allows water and the like to enter from the outer peripheral edge of the door window glass 4. It is to prevent. The glass run 150 is formed of a rubber-based material or the like, and is fitted between the lower folded portion 122 of the molding 120 and the side surface of the closed section 111 of the door sash body 110.

Next, a method for assembling the above-described vehicle door sash structure will be described.
First, the clip 130 is fixed to the molding 120. At this time, as described above, the molding engaging portion 134 of the clip 130 is inserted and fitted into the lower folded portion 122 of the molding 120. The clip 130 is fixed to the molding 120 by spot welding the flat plate portion 131 to the mounting surface portion 124 of the molding 120.

  Then, the projecting surface portion 112 of the door sash body 110 is pushed between the flat plate portion 131 and the sandwiching portion 132 of the clip 130, and the sandwiching portion 132 sandwiches the projecting surface portion 112, so that the molding 120 and the clip 130 are in the door sash body 110. It is attached to. At this time, the engagement protrusion 133 of the clip 130 is inserted into the opening 113 of the door sash body 110 and engaged therewith. Here, the length of the opening 113 in the vehicle width direction is slightly larger than the length of the engagement protrusion 133 in the vehicle width direction in consideration of dimensional tolerance and assembly workability. Since the elastic force generated by compressing the urging force urges the clip 130 in the direction of pulling out from the projecting surface portion 112 of the door sash body 110, the engagement protrusion 133 is brought to the outside in the vehicle width direction in the opening 113. .

According to the embodiment described above, the following effects can be obtained.
(1) Since the flat plate portion 131 and the sandwiching portion 132 of the clip 130 sandwiching the projecting surface portion 112 of the door sash main body 110 project only from the projecting surface portion 112 to the extent of the thickness of the steel plate used as the material, for example, the molding is connected to the door sash body. Compared with the prior art in which the molding is fixed with rivets or screws, the dimension in the normal direction of the projecting surface portion of the molding fixing portion can be reduced, and therefore the width of the side surface portion 121 of the molding 120 can be reduced. As a result, the design around the door sash is improved and the view from the passenger compartment is improved.
Further, the clip 130 is formed of an elastic steel plate and has an engagement protrusion 133 that engages with the opening 113 of the door sash body 110, so that the clip 130 is elastically deformed when the molding 120 is mounted. The molding 120 can be mounted with a single touch by pushing the holding part 132 while opening it with respect to the flat plate part 131. After the mounting, the molding 120 is prevented from falling off due to the engagement between the engagement protrusion 133 and the opening 113. Thereby, the assembly workability | operativity of the door sash part 100 can be improved.
Furthermore, since the mounting strength of the molding 120 to the door sash body 110 can be improved by the above-described configuration, the support rigidity of the glass run 150 can also be improved, and the suction of the door window glass 4 during high-speed traveling can be suppressed. Can do.

(2) When the clip 130 includes the molding engaging portion 134 that engages with the lower folded portion 122 of the molding 120, the molding 120 can be prevented from falling and the appearance quality can be further improved.

(3) Since the clip 130 is in pressure contact with the edge portion of the projecting surface portion 112 of the door sash body 110 and has a foam tape T that urges the clip 130 in the direction of pulling out from the projecting surface portion 112, The rattling caused by the dimensional difference between the mating protrusion 133 and the opening 113 can be eliminated, the surface accuracy of the surface of the side surface 121 of the molding 120 can be improved, and the appearance quality can be further improved.

(4) Since the molding 120 directly contacts and holds the glass run 150 on the inner surface side, the surface difference between the side surface portion 121 and the door window glass 4 surface can be reduced, appearance quality and aerodynamic characteristics. Can be improved.

(Modification)
The present invention is not limited to the embodiments described above, and various modifications and changes are possible, and these are also within the technical scope of the present invention.
(1) In the embodiment, the molding and the clip are fixed by spot welding, but the present invention is not limited to this, and may be fixed by, for example, adhesion or other fixing methods.
(2) In the embodiment, the foam tape is disposed between the protruding surface portion of the door sash body and the foam tape holding portion of the clip, and the engagement portion is prevented from rattling by the elasticity of the foam tape. Instead of disposing such a foam tape, a pressing portion that is formed integrally with the clip and presses the protruding surface portion by its elasticity (spring force) may be provided. By setting it as such a structure, the number of parts can be reduced and the structure of a door sash structure can be simplified.
(3) In the embodiment, the convex part is formed on the molding side and the concave part is formed on the door sash side, but the present invention is not limited to this, and the convex part may be formed on the molding side and the concave part.

1 is a schematic side view of a vehicle to which an embodiment of a vehicle door sash structure to which the present invention is applied is applied. It is a cross-sectional view of the door sash structure of the example. It is a disassembled perspective view of the door sash structure of an Example. FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. 2. It is a VV section arrow sectional view of Drawing 2. It is VI-VI part arrow directional cross-sectional view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Cabin 3 Door 4 Door window glass 5 Side roof frame 5a Door weather strip 6 A pillar 7 B pillar 100 Door sash part 110 Door sash main body 111 Closed cross-section part 112 Projection surface part 113 Opening 120 Mold 121 Side part 122 Lower return Portion 123 Upper fold portion 124 Mounting surface portion 125 Inner fold portion 130 Clip 131 Flat plate portion 132 Holding portion 133 Engagement protrusion 134 Mole engagement portion 135 Foam tape holding portion T Foam tape 140 Weather strip 150 Glass run

Claims (3)

A door sash that extends along an edge of the door window glass of the vehicle, and has a closed cross-section and a protruding surface that protrudes outward from the closed cross-section in the vehicle width direction;
A mall that extends substantially along the door sash and is exposed to the outside of the vehicle;
A clip that is formed of an elastic material, is fixed to the inner surface side of the molding, and sandwiches the protruding surface portion of the door sash;
A protrusion formed by protruding from one side of the clip, the door sash to the other side;
A vehicular door sash structure comprising: the clip; and a recess formed on the other side of the door sash and engaged with the projection. The vehicle door sash structure according to claim 1,
The vehicle door sash structure characterized in that the clip has an engagement surface portion that engages with a folded portion provided at an end portion in the width direction of the molding. In the vehicle door sash structure according to claim 1 or 2,
The vehicle door sash structure according to claim 1, wherein the clip includes urging means that pressurizes and contacts the edge of the projecting surface portion of the door sash in a direction in which the clip is pulled out from the projecting surface portion.

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