JP2009119966A - Door sash structure for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door sash structure for a vehicle capable of reducing the width of molding with excellent assembly workability. <P>SOLUTION: This door sash structure 100 is provided with a door sash 110 having a closed section part 111 and projecting surface part 112 projecting to the vehicle width direction outside, the molding 120 extending almost along the door sash 110, a clip 130 for holding the projecting surface part 112 of the door sash 110, and a clip fixing surface part 124 formed to project from the molding 120 to the vehicle width direction inside and arranged to be opposed to the projecting surface part 112 of the door sash 110. The clip 130 and the clip fixing surface part 124 are connected by caulking. <P>COPYRIGHT: (C)2009,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.
Moreover, 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.
Also, rivets, screws, and other fasteners have a large amount of protrusion from malls and are not easily deformed, so when placed adjacent to a rubber glass run that supports the door glass so that it can be raised and lowered, The load is locally received, and the durability of the glass run is lowered.
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; a clip that sandwiches the protruding surface portion of the door sash; and that protrudes inward in the vehicle width direction from the molding, A vehicle door sash structure including a clip fixing surface portion disposed opposite to the protruding surface portion of the door sash, wherein the clip and the clip fixing surface portion are coupled by caulking. It is a structure.

According to a second aspect of the present invention, in the vehicle door sash structure according to the first aspect, the clip is formed of an elastic material that does not substantially generate a potential difference with the material of the molding. It is the door sash structure for vehicles characterized by these.
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 provided with a coating made of a resin material on substantially the entire surface thereof. It is a structure.

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, since the amount of projection to the glass run side that holds the door glass so that it can be raised and lowered is small, even if the glass run is sandwiched between the upper edge of the door glass and the clip when the door glass rises, a significant stress concentration occurs on the glass run. It does not occur, and the durability of the glass run can be improved.
Further, by fixing the clip to the clip fixing surface portion of the molding by caulking, a stable coupling quality can be obtained in a small space.
(2) Since the clip is formed of a material that does not substantially generate a potential difference with the molding material, the occurrence of electrolytic corrosion can be prevented and the durability of the door sash structure can be improved. In addition, the clip is made of an elastic material to prevent rattling between the clip and the protruding surface portion of the door sash, improve the surface accuracy of the molding surface, and further improve the appearance quality. Can do.
(3) By applying a coating made of a resin material to almost the entire surface of the clip, it is possible to prevent the protruding surface portion from being damaged when the clip is fitted into the protruding surface portion of the door sash.

  The present invention provides a vehicle door sash structure capable of reducing the width of a molding and having excellent assembly workability. A clip fixing surface portion integrally formed on the inner surface side of a stainless steel molding is provided with a stainless spring. The problem was solved by joining steel U-shaped clips by mechanical caulking and holding the projecting surface protruding from the door sash with the clips.

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 mounted so as to be movable up and down with respect to the door 3. When the door window glass 4 is raised, the door window glass 4 is disposed in a state of protruding from the upper part of the door 3 and closes the upper part of the door opening. 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.
2 is a cross-sectional view taken along the line II-II in FIG.
FIG. 3 is a view taken along the line III-III in FIG.
4 (a) and 4 (b) are respectively a cross-sectional view taken along line AA and a cross-sectional view taken along line BB in FIG.
FIG. 5 is a four-side view of the clip.
The door sash portion 100 includes a door sash body 110, a molding 120, a clip 130 (see FIGS. 3 to 5), and a glass run 140.
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 as viewed by cutting along a plane orthogonal to the longitudinal direction of the door sash body 110, and the outer side in the vehicle width direction is higher than the inner side in the long side direction. It is arranged at an angle.
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 a door weather strip (not shown) mounted on the side roof frame 5 to prevent intrusion of water or the like from the upper portion of the door sash portion 100 into the vehicle interior. Yes.

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.
Then, an opening (recessed portion) 113 that engages with an engaging protrusion 133 (to be described later) of the clip 130 is formed in the center portion in the width direction of the protruding surface portion 112, as shown in FIG. The opening 113 is formed in a rectangular shape and penetrates the protruding surface portion 112.
The surface of the door sash body 110 is painted.

The molding 120 is a part for design (decoration) provided so as to cover the outer side of the door sash body 110 in the vehicle width direction, and is formed by roll forming, for example, a stainless steel plate material. 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, a clip fixing 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 clip fixing 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 being bent upward from the inner end in the vehicle width direction of the clip fixing surface portion 124, and is a portion that supports a weather strip (not shown) from the inner side in the vehicle width direction.

  The weather strip is formed of a rubber material or the like and is provided on the upper portion of the molding 120. The weather strip prevents water and the like from entering the vehicle interior from the gap between the upper portion of the door sash portion 100 and the side roof frame 5 and is fitted between the upper folded portion 123 and the inner folded portion 125. .

The clip 130 fixes the molding 120 to the door sash body 110, and is formed, for example, by stamping a stainless spring steel plate and then pressing it. A plurality of clips 130 are provided dispersed in the longitudinal direction of the door sash body 110.
As shown in FIG. 3 and the like, the clip 130 includes a flat plate portion 131, a clamping portion 132, an engaging projection 133, and a molding engaging portion 134, which are integrally formed.

  The flat plate portion 131 is a portion that is arranged with its upper surface in contact with the lower surface of the clip fixing surface portion 124 of the molding 120 and is fixed to the clip fixing surface portion 124. Further, as shown in FIG. 4, the flat plate portion 131 is arranged in a state where the lower surface portion thereof is in contact with the upper surface of the protruding surface portion 112 of the door sash body 110 in a state where the door sash structure is assembled.

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. 4A, the flat plate portion 131 and the sandwiching portion 132 are substantially U-shaped when viewed from the longitudinal direction of the door sash portion 100, and the protruding surface portion 112 of the door sash body 110. Is inserted into the groove on the U-shaped inner surface side and sandwiched. 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.
As shown in FIG. 5 etc., the clamping part 132 is provided in the center part of the flat plate part 131 in the longitudinal direction of the door sash part 100.

  The engagement protrusion 133 is formed by cutting and raising a part of the holding part 132 and projecting it upward (projecting surface part 112 side). The engaging protrusion 133 is inserted into and engaged with the opening 113 of the protruding surface portion 112 described above, thereby preventing the clip 130 from dropping (detaching) from the door sash body 110 after being mounted.

The molding engaging portion 134 is an end portion on the inner side in the vehicle width direction of the flat plate portion 131, and is formed in a tab-like shape protruding upward 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 face part. As shown in FIG. 4 and the like, in the state in which the door sash portion 100 is assembled, the molding engaging portion 134 is in a state in which the surface portion on the outer side in the vehicle width direction is in contact with the inner folded portion 125 of the molding 120. Yes.
The clip 130 is coated with nylon resin over the entire surface, for example, by dipping.

The glass run 140 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 prevents water and the like from entering from the outer peripheral edge of the door window glass 4. To do. The glass run 140 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.
Further, the upper surface portion of the glass run 140 is disposed so as to face the lower surface of the protruding surface portion 112 of the door sash body 110 and the sandwiching portion 132 of the clip 130, and when the door window glass 4 is raised, the upper end portion of the door window glass 4 Thus, it is pressed toward the protruding surface portion 112 and the sandwiching portion 132.

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. The clip 130 is fixed by mechanically caulking these with the upper surface portion of the flat plate portion 131 in contact with the lower surface portion of the clip fixing surface portion 124 of the molding 120. As shown in FIG. 3, the mechanical caulking portions C are provided on both sides of the sandwiching portion 132 in the longitudinal direction of the door sash portion 100.

  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 have the door sash body 110. It is attached to. At this time, the engaging protrusion 133 of the clip 130 is inserted into the opening 113 of the door sash body 110 and is engaged therewith.

According to the embodiment described above, the following effects can be obtained.
(1) Since the clip 130 holding the projecting surface portion 112 of the door sash body 110 protrudes from the projecting surface portion 112 only to the thickness of the material, for example, compared to the conventional technology using rivets or screws, The dimension of the protruding surface portion 112 in the normal direction can be reduced, and therefore the width of the molding 120 can be reduced to improve the appearance quality.
Further, since the amount of projection to the glass run 140 side that holds the door window glass 4 so as to be movable up and down is small, the glass run 140 is formed between the upper end of the door window glass 4 and the holding part 132 of the clip 130 when the door window glass 4 is raised. Even if the glass run 140 is sandwiched between them, no significant stress concentration occurs in the glass run 140, and the durability of the glass run 140 can be improved.
Further, by fixing the clip 130 to the clip fixing surface portion 124 of the molding 120 by mechanical caulking, a stable coupling quality can be obtained in a small space. In addition, for example, the degree of freedom of material selection can be improved as compared with the case of fixing by welding, and the coupling quality can be ensured even when the clip 130 is made of spring steel that is difficult to weld.
In addition, as a means for fixing the clip to the molding, for example, it is conceivable to form a groove in the molding and fit the clip here, but according to the present embodiment, the shape of the molding is simplified compared to such a configuration. The shape can be easily molded by roll molding, and the productivity is improved.

(2) Since the clip 130 is formed of a material that does not substantially cause a potential difference with the material of the molding 120, the occurrence of electrolytic corrosion can be prevented and the durability of the door sash structure can be improved. Further, since the clip 130 is formed of an elastic spring material, rattling between the clip 130 and the protruding surface portion 112 of the door sash body 110 is prevented, and the surface accuracy of the surface of the molding 120 is improved to improve the appearance. The quality can be further improved.
(3) By coating the entire surface of the clip 130 with nylon resin, when the clip 130 is fitted into the protruding surface portion 112 of the door sash body 110, it is possible to prevent the coating of the protruding surface portion 112 from being damaged and to prevent rust. Can be secured. Further, since the clip 130 and the clip fixing surface portion 124 of the molding 120 are fixed by caulking, even if the coating is performed in this way, there is no influence on the bonding quality of the fixing portion.

(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.
For example, the shape, structure, manufacturing method, and the like of each member constituting the door sash structure can be changed as appropriate. Further, the material of the molding and the clip is not limited to the combination of the embodiments and can be appropriately changed. However, even when the combination is changed, it is preferable that the combination does not substantially cause a potential difference between the two.
Further, the material coated on the clip is not limited to nylon resin, but may be other resin material.

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 the II-II part arrow sectional drawing of FIG. It is the III-III part arrow directional view of FIG. FIG. 4 is a cross-sectional view taken along arrows AA and BB in FIG. 3. It is a four-view figure of the clip used with the door sash structure 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 Part 123 upper folding part 124 clip fixing surface part 125 inner folding part 130 clip 131 flat plate part 132 clamping part 133 engaging projection 134 molding engaging part 140 glass run C machine caulking location

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 for sandwiching the protruding surface portion of the door sash;
A vehicular door sash structure comprising: a clip-fixing surface portion that is formed to protrude inward in the vehicle width direction from the molding and is disposed to face the protruding surface portion of the door sash;
The vehicle door sash structure characterized in that the clip and the clip fixing surface portion are coupled by caulking. The vehicle door sash structure according to claim 1,
The vehicle door sash structure is characterized in that the clip is formed of an elastic material that does not substantially generate a potential difference with the material of the molding. In the vehicle door sash structure according to claim 1 or 2,
The vehicle door sash structure is characterized in that the clip is coated on a substantially entire surface with a resin material.

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