JP5248885B2 - Door sash molding mounting structure - Google Patents

Description

  The present invention relates to a mounting structure for a door sash molding of a vehicle.

A door sash of a vehicle typified by a passenger car generally includes a door sash (frame) main body constituting a window frame, and a molding attached to the outer surface of the door sash main body.
Japanese Patent Laid-Open No. 11-334367 JP 2003-72383 A

  Conventionally, this molding has been attached to the door sash body through, for example, a rivet (Patent Document 1). However, in a structure that is joined via rivets (connecting parts) as separate parts, the number of parts and the number of assembling steps are inevitably increased, resulting in an increase in cost.

  In addition, it is indispensable for the door sash to retain a glass run that accepts the upper edge of the elevating glass and a weather strip to ensure liquid-tightness and confidentiality when the door is closed. The door sash main body is provided with the glass run holding portion and the weather strip holding portion alone, and the molding is provided only with a decoration function, so that the molding is not effectively used.

  Based on the above problem awareness, the present invention provides a door sash molding mounting structure that is excellent in mounting properties of the molding to the door sash body, and that the molding is involved in the glass run and weatherstrip holding structure. Objective.

The present invention relates to a door sash molding comprising: a door sash body constituting a window frame of a vehicle door; and a molding having a design portion exposed on a vehicle outer surface of the door sash body and attached to the door sash body. In the mounting structure, on the door sash main body, a bag-like portion positioned on the vehicle inner side in a longitudinally orthogonal cross section of the door sash main body; an outward extension extending from the bag-like portion to the vehicle outer side; A molding attachment portion extending from the vehicle outer end to the body side, and in the molding, in the longitudinal cross section of the molding in the longitudinal direction, along the molding attachment portion of the door sash body and from the molding attachment portion to the window glass side. A glass run holder that is bent from the window glass side end of the design part to the inside of the vehicle and forms a glass run holding recess between the bag-like part of the door sash body. Edge and; are bent formed on the interior side from the body side end of the design portion, elastic direct elastic contact with the surface along the door opening of the outer extension across the molding attaching portion of the door sash body in a non-contact fixing An edge portion; and a retaining protrusion integrally formed on the back surface of the design portion, which engages with a window glass side end portion of the molding attachment portion of the door sash, are formed.

  It is desirable to integrally form a detent ridge that elastically contacts the molding mounting portion of the door sash body on the back surface of the design portion of the molding.

  On the vehicle body opening side of the outward extension portion of the door sash body, a weather strip holding edge that forms a weather strip holding concave portion with the elastic fixed edge portion of the molding can protrude.

  According to the door sash molding mounting structure of the present invention, the molding can be attached to the door sash molding main body without requiring a separate member such as a rivet. Further, the function of holding the glass run and the function of holding the weather strip can be given to the molding, so that the molding can be effectively used.

  FIG. 3 shows a side shape of a door of a passenger car to which the door sash molding mounting structure according to the present invention is applied. A vehicle door 10 that opens and closes a door opening (body opening) A of a vehicle body B includes a door sash body (window frame) 12 on an upper portion of the door body 11. The door sash main body 12 forms a window opening 12W, and has a bent upper frame 12a for receiving the upper edge of the window glass W and a vertical frame 12b for receiving the vertical edge of the window glass W.

  The door sash body 12 (upper frame 12a) is provided with a molding (sash molding, optical molding) 20 having a design portion exposed on the outer surface of the vehicle. The present embodiment is based on the attachment structure of the door sash body 12 and the molding 20, and FIGS. 2 and 3 show different embodiments. 2 and 3 show the cross-sectional shape in the longitudinal direction in a state where the vehicle door 10 is closed, and the left side in the figure is the vehicle inner side (inner side, inner side) and the right side is the outer side (outer side, outer side). . The door sash body 12 and the molding 20 basically have a uniform cross-sectional shape, and the side surface shape of the molding 20 corresponds to the side surface shape of the upper frame 12 a of the door sash body 12. In the embodiment, the door sash body 12 is made of a roll molded product of a metal (iron-based) material, and the molding 20 is made of an extruded product of a metal material such as stainless steel or aluminum and a synthetic resin material.

  In the embodiment of FIG. 2, the door sash body 12 has a bag-like portion (closed cross-sectional shape portion) 13 that is mainly located inside the vehicle for maintaining mechanical strength. An outward extension 14 extends obliquely toward the outside of the vehicle and in a direction approaching the door opening A. A molding attaching portion 15 serving as an outer surface of the vehicle is formed at a front end portion of the outer extension portion 14 on the vehicle outer side. The molding mounting portion 15 extends only upward (from the body B side) from the distal end portion of the outward extending portion 14 and is not formed below (the window glass W side).

  The molding 20 is attached to the outward extension portion 14 and the molding attachment portion 15 of the door sash main body 12, and has a design portion 21 along the outer surface of the molding attachment portion 15 of the door sash main body 12. The design portion 21 extends not only along the outer surface of the molding attachment portion 15 but also from the molding attachment portion 15 to the window glass W side. In the example of illustration, the length of the part along the outer surface of the molding attachment part 15 and the length of the part extended to the window glass side of the molding attachment part 15 are comparable.

  A glass run holding edge 22 is formed at the window glass side end of the design portion 21 of the molding 20 after the window glass side end of the design portion 21 is bent inward and then bent upward (body B side). Has been. On the other hand, the bag-like portion 13 of the door sash body 12 is formed with a holding recess 13a that constitutes a glass run holding recess 30 between the glass run holding edge 22 (design portion 21). The glass run 31 that receives the window glass W is held in the glass run holding recess 30. The glass run 31 is well-known, and the cross-sectional shape is not ask | required.

  An elastic fixed edge portion 23 is bent at the upper end portion (end portion on the body B side) of the design portion 21 of the molding 20. The elastic fixed edge portion 23 includes an inwardly bent portion 23a in which an upper end portion (end portion on the body B side) of the design portion 21 is bent inward, and an inner end portion of the inwardly bent portion 23a as an outward extending portion 14. And the folded portion 23b folded back toward the corner portion of the molding mounting portion 15, and the outer end portion of the folded portion 23b was further folded along the upper surface (the surface along the door opening A) of the outer extension portion 14. And a contact edge 23c.

  Further, on the inner surface of the design portion 21 of the molding 20, a retaining protrusion 24 that engages with the lower edge (end portion on the side of the window glass W) of the molding portion 15 of the door sash body 12 by extrusion molding of a synthetic resin material. And the touching protrusion 25 which elastically contacts with the outer surface of the molding | mall attachment part 15 is formed integrally.

  A weather strip holding edge 16 that forms a weather strip holding recess 32 is formed between the door sash body 12 and the elastic fixed edge 23 of the molding 20. The weather strip holding recess 32 holds a weather strip 33 that closes a gap between the vehicle body B and the door opening A when the vehicle door 10 is closed. The weather strip 33 is well known, and various cross-sectional shapes are known. In the illustrated example, another weather strip 34 is held on the vehicle body B.

  In the mounting structure of the door sash molding configured as described above, the molding 20 is mounted on the door sash body 12 (upper frame 12a) as follows. The gap between the glass run holding edge 22 of the molding 20 and the elastic fixed edge 23 is fitted into the molding mounting portion 15 of the door sash body 12, and the molding 20 is pushed from above the door sash body 12. Then, the retaining ridge 24 (and the steady ridge 25) comes into contact with the outer surface of the molding mounting portion 15, and the design portion 21 is elastically deformed. Eventually, when the retaining protrusion 24 reaches the lower edge of the molding mounting portion 15 (the edge on the window glass W side), the design portion 21 becomes free and the retaining projection 24 engages with the lower edge of the molding mounting portion 15. . At this time, the elastic fixed edge portion 23 of the molding 20 is elastically in contact with the outer extension portion 14 of the door sash body 12 and the corner portion of the molding mounting portion 15 at the connection portion between the folded portion 23b and the contact edge 23c. The contact edge 23c is along the upper surface (the surface along the door opening A) of the outer extension portion 14. Further, the steady protrusion 25 is elastically brought into contact with the outer surface of the molding mounting portion 15 so that the molding 20 is held in a stable state by the molding mounting portion 15.

  In this attached state, the glass run 31 is held between the glass run holding edge 22 of the molding 20 and the holding recess 13a of the bag-like portion 13 of the sash body 12 (glass run holding recess 30). The weather strip 33 is held between the elastic fixed edge 23 of the molding 20 and the weather strip holding edge 16 of the sash body 12 (weather strip holding recess 32).

  In this embodiment, in this way, the molding 20 not only decorates the surface of the door sash body 12 with the design portion 21 but also shares the holding function of the glass run 31 with the glass run holding edge 22. The holding function of the weather strip 33 is shared by the elastic fixed edge 23.

  The embodiment of FIG. 2 is an embodiment in which the steady rest protrusion 24 in the embodiment of FIG. 1 is removed. The steady rest ridge 24 of the embodiment of FIG. 1 is useful for increasing the fixing strength of the molding main body 20 with respect to the molding mounting portion 15. Even if 24 is omitted, the same effects as those of the first embodiment can be obtained.

  In the above embodiment, the door sash body 12 is made of a roll-formed product of a metal (iron-based) material, but the present invention can be similarly applied to an extruded product of an aluminum alloy.

It is sectional drawing which follows one II line of FIG. 3 which shows one Embodiment of the attachment structure of the door sash molding by this invention. It is sectional drawing corresponding to FIG. 1 which shows another embodiment. It is a side view which shows an example of the vehicle door to which the attachment structure of the door sash molding by this invention is applied.

Explanation of symbols

B Vehicle body A Door opening (body opening)
W Window glass 10 Vehicle door 11 Door main body 12 Door sash main body 12a Upper frame 12b Vertical frame 12W Window opening 13 Bag-shaped portion 13a Holding recess 14 Outward extension 15 Mole attachment 16 Weather strip holding edge 20 Mole 21 Design portion 22 Glass Run holding edge 23 Elastic fixed edge (weather strip holding edge)
23a Inwardly bent portion 23b Folded portion 23c Contact edge 24 Unlocking protrusion 25 Touching protrusion 30 Glass run holding recess 31 Glass run 32 Weather strip holding recess 33 34 Weather strip

Claims (3)

In a door sash molding mounting structure comprising: a door sash body constituting a window frame of a vehicle door; and a molding having a design portion exposed on a vehicle outer surface of the door sash body and attached to the door sash body.
The door sash body includes a bag-like portion positioned on the vehicle inner side in an orthogonal cross section in the longitudinal direction of the door sash body; an outward extension extending from the bag-like portion toward the vehicle outer side; and the vehicle outer side of the outer extension portion A molding mounting part extending from the end to the body side;
The molding has a design portion extending along the molding attachment portion of the door sash body and extending toward the window glass side from the molding attachment portion in the longitudinal orthogonal cross section of the molding; and from the window glass side end of the design portion to the vehicle interior side A glass run holding edge which forms a glass run holding recess between the bag-like portion of the door sash body; and is bent from the body side end of the design portion to the vehicle inner side, An elastic fixed edge that directly elastically contacts the surface along the door opening of the outward extension portion , straddling the molding mounting portion in a non-contact manner; and engaging with a window glass side end portion of the molding mounting portion of the door sash, A door sash molding mounting structure characterized in that it has a locking protrusion integrally formed on the back of the design portion. The door sash molding mounting structure according to claim 1, wherein a back surface of the design portion of the molding is integrally formed with a contact protrusion that elastically contacts the molding mounting portion of the door sash body. . 3. The door sash molding mounting structure according to claim 1, wherein a weather strip holding recess is formed between the outer extension of the door sash body and the elastic fixed edge of the molding on the vehicle body opening side. A door sash molding mounting structure in which a weatherstrip holding edge protrudes.

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