JP5286030B2 - Standing pillar sash for vehicle door and manufacturing method thereof - Google Patents

Description

  The present invention relates to a vertical sash of a vehicle door and a manufacturing method thereof.

  In general, a vehicle door that opens and closes a door opening of a vehicle body is integrally provided with a door sash that forms a window opening on an upper portion of a door body (an inner panel and an outer panel). The door sash includes a metal vertical sash and an upper sash, and an end of the upper sash is joined (welded) to the upper end of the vertical sash.

The vertical pillar sash (and the upper sash) is generally formed from an extruded product of an aluminum alloy or a roll molded product of an iron-based material (Patent Document 2). Also, joining (welding) two roll molded products has been performed (Patent Document 1).
Japanese Patent Laid-Open No. 10-297280 JP-A-11-342743

  However, conventional vertical sashes have a uniform cross section for both roll molded products and extruded molded products. If you want to increase the rigidity, you can not only increase the thickness but also increase the thickness to reduce the weight. Was sacrificed. The vertical column sash of Patent Document 2 proposes to form a gradually changing portion that changes the cross-sectional shape by post-processing a roll molded product, but in order to increase the rigidity, the plate thickness is similarly increased. There must be. Moreover, although patent document 1 has proposed the vertical pillar sash which consists of a roll molded product of two board materials from which thickness differs, it cannot apply to the vertical pillar sash which has a gradual change part. The vertical pillar sash is advantageous to reduce the weight while increasing the rigidity when the width in the vehicle width direction is wider from the upper side in the lower part.

  An object of the present invention is to obtain a vertical pole sash having a gradually changing portion whose cross-sectional shape in the vehicle width direction changes, and capable of simultaneously reducing weight and increasing rigidity, and a method for manufacturing the same.

The present invention is an aspect of an upright pillar sash of a vehicle door extending in the vehicle height direction having a vehicle exterior located on the vehicle exterior side, a hollow portion located on the vehicle interior side, and a connecting portion connecting the vehicle exterior and the hollow portion. The vertical sash is positioned between the bottom wall on the inner side of the vehicle, the pair of vertical walls extending from both ends of the bottom wall in the vehicle front-rear direction to the vehicle outer side, and the pair of vertical walls. the bottom and an opening formed in the opposite wall, and the vertical wall in the center side of the inner standing pillar sash of the pair of vertical walls is a the other longer than the short width vertical wall length width vertical wall Te Te part of the exterior of the long wide vertical wall thick metal member and constituting the connection portion; configured as a separate member from the the thick metal member, of the thick metal member of said length width vertical wall A thin metal member that constitutes the exterior of the vehicle joined to the connecting portion; The metallic member is closed the opening of said thick metal member, and is joined to the short width vertical wall provided with a closing wall forming the hollow portion, the length width vertical wall and short widths of the thick metal member The width of the vertical wall in the vehicle width direction is non-uniform in the vehicle height direction.

  Although there is a degree of freedom in how the change in the width of the thick metal member in the vehicle width direction is given in the height direction, the width in the vehicle width direction of the short vertical wall and the long vertical wall of the thick metal member Is generally narrow at the top and wide at the bottom.

  Further, a synthetic resin garnish (design member) constituting the outer surface of the vehicle door can be mounted on the outside of the thin metal member joined to the thick metal member.

  Or you may integrally form the design part which comprises the outer surface of a vehicle door in the vehicle exterior of a thin metal member.

  In another aspect, the present invention is a vehicle door having the frame structure of any of the above vehicle door sashes.

The present invention relates to the manufacture of a vertical sash for a vehicle door extending in the vehicle height direction having a vehicle exterior located outside the vehicle, a hollow portion located inside the vehicle, and a connecting portion connecting the vehicle exterior and the hollow portion. In the aspect of the method, the bottom wall on the vehicle inner side, the pair of vertical walls extending from the both ends in the vehicle front-rear direction of the bottom wall to the vehicle outer side, not in contact with each other, and positioned between the pair of vertical walls described above And a vertical wall located on the center side of the vertical pillar sash is a long vertical wall longer than the other short vertical wall, and has an opening formed on the opposite side of the bottom wall. A step of preparing a thick metal member in which a part of the long vertical wall outside the vehicle constitutes the connecting portion, a step of bending the thick metal member so that the bottom wall side is concave, and the thickness The width of the long and short vertical walls of the meat metal member is narrow at the top in the vehicle width direction. Occlusion comprising the steps of cutting machining to be wider in part, the thick metal member made of a different member, connected to the connecting portion and the short width vertical wall of the long wide vertical wall the opening of said thick metal member and it is characterized by comprising the steps of preparing a thin metal member constituting the hollow portion and Kurumagaibu the steps of bonding the thin metal member to thick metal member.

  The method for manufacturing a vertical sash for a vehicle door according to the present invention may further include a step of attaching a synthetic resin garnish constituting the outer surface of the vehicle door to the outside of the thin metal member outside the vehicle.

  Alternatively, in the step of preparing the thin metal member, a step of integrally configuring a design portion constituting the outer surface of the vehicle door may be included on the outside of the vehicle outside the vehicle.

  ADVANTAGE OF THE INVENTION According to this invention, the rigidity of the vertical pillar sash of the vehicle door which has a gradual change part from which a cross-sectional shape changes to a vehicle width direction can be raised, without increasing board thickness uniformly, and reduction in weight can be achieved.

  FIG. 1 shows an example of a side shape of a vehicle door of a normal sedan type passenger car to which a vertical pole sash according to the present invention is applied. A vehicle door 10 that opens and closes a door opening (body opening) of a vehicle body includes a door sash (window frame) 13 that forms a window opening 12 on an upper portion of a door body (inner panel and outer panel) 11.

  The door sash 13 has a bent upper sash 14 that receives the upper edge of the window glass W, and a vertical pillar sash 15 that receives the vertical edge of the window glass W along the center pillar of the vehicle body. As shown in the drawing, the vertical pole sash 15 that is the object of the present embodiment is located at the rear edge of the front door and the front edge of the rear door.

  As shown in FIG. 2, the upright pillar sash 15 has a curved shape corresponding to the swelling of the side surface of the vehicle body. The width in the vehicle width direction is not uniform. In the illustrated example, the width of the upper constant region is constant at a constant small width d, and the width dv is gradually increased toward the lower side (gradual change portion). The width is narrowed in the door body 11. The present embodiment proposes a novel structure and manufacturing method of the upright pillar sash 15 having such a gradually changing portion.

  As shown in FIGS. 3 and 4, the vertical pole sash 15 of the present embodiment includes a thick metal member 20 at the center and a pair of thin metal members (first and second) located on the vehicle outer side of the thick metal member 20. Second exterior (design) members 30, 40 and a pair of thin metal members 30, 40 and a synthetic resin garnish 50 mounted on the outer surface of the vehicle. The thick metal member 20 and the thin metal member 30 (40) are each made of an iron-based material. The specific thickness of the thick metal member 20 is, for example, about 1.0 ± 0.5 mm. The member 30 (40) is about 0.7 ± 0.3 mm.

  FIG. 5 shows an embodiment of the process for forming the thick metal member 20. The thick metal member 20 first roll-forms (or press-forms) a thick metal plate, and contacts the bottom wall 21 on the vehicle inner side and both ends of the bottom wall in the vehicle front-rear direction and extends to the vehicle outer side. It is formed in a U-shaped cross section having a pair of vertical walls 22 and 23 that are not. The vertical wall 22 located on the center side of the upright pillar sash 15 is longer than the vertical wall 23 on the other side (glass run side) (left side in FIG. 5). In the left state of FIG. 5, the thick metal member 20 is straight (straight).

  Next, the thick metal member 20 having a U-shaped cross section is formed on the side surface of the vehicle so that the bottom wall 21 side is concave (the leading ends of the long vertical wall 22 and the short vertical wall 23 are convex). Bending into a curved shape (in FIG. 5). At this time, the size relationship between the long vertical wall 22 and the short vertical wall 23 remains unchanged (the long vertical wall 22 and the short vertical wall 23 are not processed).

  Finally, as shown on the right side of FIG. 5, a part of the long vertical wall 22 and the short vertical wall 23 (the ends opposite to the bottom wall 21) are partly cut to provide a thick metal member having a gradually changing portion. 20 is formed. The hatched portion in FIG. 5 shows a cut-out portion, and a gradually changing portion that gradually expands the width dv ′ (dv ′ <dv) gradually downward toward the lower portion at a constant small width portion d ′ (d ′ <d). It is formed. The shape of the buried fixing portion in the door body 11 is arbitrarily determined.

  A part of the front end of the long vertical wall 22 of the thick metal member 20 constitutes a connection portion 24 that connects the exterior (design portion) 31 (41) and the hollow portion 25 to each other. That is, the vehicle exterior 31 configured by the thin metal member 30 and the vehicle exterior 41 configured by the thin metal member 40 are respectively joined (welded) to the connection portion 24, so that the thick metal The U-shaped part of the member 20 together with the closing part 32 of the thin metal member 30 constitutes a hollow part 25 inside the vehicle.

  The thin metal member (first vehicle outer member, glass run holding member) 30 is formed by roll forming, and is provided on the vehicle exterior (design portion) 31 outside the vehicle and the front surface of the connection portion 24 of the thick metal member 20. A glass run retaining recess 34 having a U-shaped cross section is formed by a bottom wall (connecting portion) 33 joined (welded) to (or the rear surface) and a blocking portion 32 on the vehicle interior side. A folding edge 35 to the inside of the vehicle is formed at the end of the vehicle exterior 31, and a retaining projection 36 that protrudes outside the vehicle is formed at the closing portion 32. The thin metal member 30 is a first vehicle exterior member having a glass run holding recess 34. As is well known, a glass run made of synthetic resin with which the window glass W is in sliding contact is inserted into the glass run holding recess 34.

  The thin metal member (second vehicle outer member, weatherstrip holding member) 40 is roll-formed or press-molded, and is formed between the vehicle exterior (design portion) 41 outside the vehicle and the connecting portion 24 of the thick metal member 20. And a connecting portion 42 joined (welded) to the rear surface (or front surface). A weather strip holding recess 43 is formed by the vehicle exterior 41 and the connecting portion 42. The thin metal member 40 is formed with a cut-and-raised piece 44 at the inner end of the connection portion 42, a folding edge 45 at the end of the vehicle exterior 41, and a retaining projection 46 that projects from the vehicle exterior 41 toward the vehicle interior. Thus, the weather strip inserted into the weather strip holding recess 43 is prevented from being pulled out. The thin metal member 40 is a second vehicle exterior member having a weather strip holding recess 43. As is well known, when the vehicle door is closed, the weather strip comes into contact with the periphery of the body opening and elastically deforms.

  The thin metal member (first vehicle exterior member) 30 generally has a uniform cross section over its entire length. On the other hand, the thin metal member (second vehicle exterior member) 40 may gradually change its width W (FIGS. 3 and 4) in the vehicle front-rear direction (generally making the lower width wider). As described above, when the width of the thin metal member 40 in the vehicle front-rear direction is gradually changed, it can be processed by appropriately applying press forming after roll forming (or processed only by press processing).

  A thin resin member garnish (design member) 50 constituting the outer surface of the vehicle door is mounted on the vehicle exterior side of the vehicle exterior 31 on the vehicle exterior side and the vehicle exterior 41 on the vehicle exterior side of the thin metal member 40. . The garnish 50 can be omitted.

  As in the above embodiment, the upright pillar sash 15 whose cross-sectional shape in the vehicle width direction changes in the vehicle height direction is configured by a combination of the thick metal member 20 and the thin metal member 30 (40). By forming the hollow portion 25 on the inside of the vehicle in the metal member 20, the strength can be easily increased while the shape of the gradually changing portion is an arbitrary shape, and the vehicle is formed by the thin metal member 30 (40) (and the garnish 50). By forming the outer design portion, the weight can be reduced while obtaining an excellent appearance.

  In the above embodiment, since the first vehicle exterior member 30 and the second vehicle exterior member 40 are separate bodies, there is an advantage that the overlapping (folding) portion can be minimized and the weight can be reduced.

  FIG. 6 shows a modification of the first embodiment. In this embodiment, a glass run holding projection 35 ′ is formed on the first vehicle exterior member 30 A instead of the folding edge 35 and folded back to the vehicle exterior side, and the vehicle exterior 31 and the second vehicle exterior of the first vehicle exterior member 30 are folded. A continuous design portion 37 that forms the outer surface of the vehicle body is formed on the outer surface of the vehicle exterior 41 of the member 40, and the second vehicle outer member 40A is formed by a folded edge 38 formed at the end of the vehicle body. It covers the end.

  FIG. 7 is a modification of FIG. 6, in which the first and second vehicle exterior members 30 </ b> A of FIG. 6 are formed from a series of integral thin design members 70. The folding edge 38 'in the embodiment of FIG. 6 is continuous with the vehicle exterior 41 of the second vehicle exterior member 40A. In FIG. 6 and FIG. 7, the same code | symbol is attached | subjected to the same element as embodiment of FIG. 1 thru | or FIG. 5 for convenience.

1 is a side view showing an embodiment of a vehicle door having a vertical pillar sash of a vehicle according to the present invention. It is sectional drawing which follows the II-II line of FIG. It is sectional drawing which follows the III-III line of FIG. It is sectional drawing which follows the IV-IV line of FIG. It is a figure which shows the manufacturing process of the thick metal member of the vertical pillar sash of the vehicle by this invention. It is sectional drawing corresponding to FIG. 2 which shows the other structural example (cross-sectional shape example) of the thin metal member of the vertical pillar sash of the vehicle by this invention. It is sectional drawing corresponding to FIG. 2 which shows another structural example (cross-sectional shape example) of the same thin metal member.

Explanation of symbols

W Window glass 10 Vehicle door 11 Door main body 12 Window opening 13 Door sash 14 Upper sash part 15 Vertical pillar sash part 20 Thick metal member 21 Bottom wall 22 Long width vertical wall 23 Short width vertical wall 24 Connection part 30 30A Thin wall metal member ( First car exterior member)
31 Car exterior 32 Blocking part 33 Bottom wall (connection part)
34 Glass run holding recess 35 Folding edge 36 Unlocking projection 37 Continuous design part 40 40A Thin metal member (second vehicle exterior member)
41 Car exterior 42 Connection portion 43 Weather strip holding recess 44 Cut and raised piece 45 Folding edge 46 Stop projection 70 Thin metal member

Claims (8)

In an upright pillar sash of a vehicle door extending in the vehicle height direction having a vehicle exterior located outside the vehicle, a hollow portion located inside the vehicle, and a connection portion connecting the vehicle exterior and the hollow portion,
A bottom wall on the inner side of the vehicle, a pair of vertical walls extending from both ends of the bottom wall in the vehicle front-rear direction to the outer side of the vehicle, and not being in contact with each other, and positioned between the pair of vertical walls on the opposite side of the bottom wall And a vertical wall located on the center side of the vertical column sash is a long vertical wall longer than the other short vertical wall, and the vehicle has the long vertical wall. A thick metal member whose outer part constitutes the connecting portion;
This thick metal member is configured as a separate member, and the thin metal member that constitutes the exterior of the vehicle joined to the connecting portion of the long-width vertical wall of the thick metal member;
Consisting of
The thin metal member has a closing wall that closes the opening of the thick metal member and is joined to the short vertical wall to form a hollow portion,
A vertical sash for a vehicle door, characterized in that the width in the vehicle width direction of the long vertical wall and the short vertical wall of the thick metal member is not uniform in the vehicle height direction. The vertical sash of a vehicle door according to claim 1, wherein the width of the short-width vertical wall and the long-width vertical wall of the thick metal member is narrow at the upper part and wide at the lower part. The vertical sash for a vehicle door according to claim 1 or 2, wherein a synthetic resin garnish constituting an outer surface of the vehicle door is mounted on the outside of the thin metal member outside the vehicle. The vertical sash for a vehicle door according to claim 1 or 2, wherein a design portion constituting an outer surface of the vehicle door is integrally formed outside the thin metal member. The vehicle door which has the frame structure of the vehicle door sash of any one of Claim 1 thru | or 4. In the manufacturing method of the upright pillar sash of the vehicle door extending in the vehicle height direction having the vehicle exterior located on the vehicle exterior side, the hollow portion located on the vehicle interior side, and the connection portion connecting the vehicle exterior and the hollow portion,
A bottom wall on the inner side of the vehicle, a pair of vertical walls extending from both ends of the bottom wall in the vehicle front-rear direction to the outer side of the vehicle, and not being in contact with each other, and positioned between the pair of vertical walls on the opposite side of the bottom wall And a vertical wall located on the center side of the vertical column sash is a long vertical wall longer than the other short vertical wall, and the vehicle has the long vertical wall. Preparing a thick metal member whose outer part constitutes the connection part;
Bending the thick metal member so that the bottom wall side is concave;
The length width vertical wall and short width vertical wall of the thick metal member, comprising the steps of width of the vehicle width direction is cut to be wider in the narrower lower part at the top,
The thick metal member is a separate member , connected to the long vertical wall connecting portion and the short vertical wall of the thick metal member to close the opening of the thick metal member and the hollow portion Preparing a thin metal member constituting the exterior of the vehicle;
Joining the thin metal member to the thick metal member;
The manufacturing method of the vertical pillar sash of a vehicle door characterized by having. 7. The method for manufacturing a vertical sash for a vehicle door according to claim 6, further comprising a step of attaching a synthetic resin garnish constituting an outer surface of the vehicle door to the outside of the thin metal member outside the vehicle. Manufacturing method for vertical pillar sash. 7. The method of manufacturing a vertical sash for a vehicle door according to claim 6, further comprising the step of integrally configuring a design portion constituting the outer surface of the vehicle door on the outside of the vehicle outside in the step of preparing the thin metal member. A method of manufacturing a vertical sash for a vehicle door.

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