JP2012086775A - Door trim - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door trim by which man-hour for correcting a forming die can be reduced and costs can be reduced when the forming die is corrected to change a positioning boss into a clip seat.SOLUTION: When the positioning boss 80 is projectingly provided to a rear surface 28U and rigidity of a part around the positioning boss 80 is insufficient after forming, the forming die is corrected, the clip seat is formed instead of the positioning boss 80 and the clip seat is fixed to a door panel 1 via a clip 20, and when a hollow pedestal 81 is expanded from the rear surface 28U, the positioning boss 80 is projected from the seat surface part 83 of the pedestal 81 and the clip seat is formed, an opening 82K through which the base end part 20K of the clip 20 passes is formed on the side part 82S of the pedestal 81 and the hollow part of the pedestal 81 is constituted on the housing part 81S of the base end part 20K of the clip 20 so that correction of the die can be made by only correction of a forming die part corresponding to the seat surface part 83 of the pedestal 81 and the positioning boss 80.

Description

The present invention
A positioning boss inserted into the positioning hole of the door panel is projected on the back surface,
When the rigidity around the positioning boss is insufficient after molding, the molding die is modified, a clip seat is molded in place of the positioning boss, and the clip seat is fixed to the door panel via the clip. About.

Conventionally, as a positioning structure of the door trim with respect to the door panel, there has been a structure in which a positioning boss inserted into the positioning hole of the door panel protrudes from the back surface of the door trim main body (see Patent Document 1).
Moreover, as a structure for attaching the door trim to the door panel, there is a structure in which a clip seat is formed on the door trim, a separate clip is held on the clip seat, and the door trim is attached to the door panel via the clip (see Patent Document 2). In these structures, the shape of the positioning boss and the shape of the clip seat were greatly different.

JP 2005-35358 A JP 2003-314516 A

In the above door trim, for example, the door trim portion on the front side of the vehicle that is in the vicinity of the alignment with the side surface of the instrument panel comes into contact with the side portion of the instrument panel due to overstroke when the door is closed. Is required. In addition, there is a portion near the center portion of the door trim main body far from the clip fixing point as a portion requiring rigidity.
However, it may not be possible to determine whether the rigidity of the door trim part or the like is sufficient at the design stage, and when the door trim is molded at the prototype stage, it is found that the door trim part has insufficient rigidity. There is.
In such a case, means for correcting the mold (upper mold / lower mold), changing the positioning boss to a clip seat, and fixing the clip seat to the door panel via the clip is employed.
According to the above-described conventional structure, the shape of the positioning boss and the shape of the clip seat are greatly different. Therefore, when the molding die is modified, both the upper die and the lower die must be modified. The number of man-hours for correction increased and the cost increased.
The present invention has been made in view of the above circumstances, and its purpose is to reduce the man-hour for correcting the mold and reduce the cost when the mold is modified and the positioning boss is changed to the clip seat. The point is to provide door trim that can be done.

The feature of the present invention is that
A positioning boss inserted into the positioning hole of the door panel is projected on the back surface,
When the rigidity around the positioning boss is insufficient after molding, the molding die is modified, a clip seat is molded in place of the positioning boss, and the clip seat is fixed to the door panel via the clip. Because
A hollow pedestal bulges from the back surface,
The positioning boss protrudes from the seat surface portion of the pedestal,
When the clip seat is molded in place of the positioning boss, the side of the pedestal is such that the mold only needs to be corrected for the mold portion corresponding to the seat surface portion of the pedestal and the positioning boss. An opening through which the base end portion of the clip passes is formed in the portion, and the hollow portion of the pedestal is configured as a housing portion of the base end portion of the clip. (Claim 1)

  According to this configuration, when the clip seat is molded in place of the positioning boss, the molding die can be corrected only by correcting the molding die portion corresponding to the seat surface portion of the base and the positioning boss. Man-hours for mold correction can be greatly reduced, and costs can be reduced. Moreover, since the height dimension of the positioning boss can be shortened by the pedestal, the strength of the positioning boss can be increased. (Claim 1)

In the present invention,
A door trim main body, and a design member that overlaps a part of the design surface side of the door trim main body,
The pedestal bulges from the back surface of the overlapping portion with the design member of the door trim body,
The peripheral edge of the opening on the base side of the pedestal is positioned outside the pedestal with respect to the peripheral edge of the opening on the seating surface side,
When the engaging claw projecting from the back surface of the design member is inserted into the opening and engaged with the seat surface portion of the pedestal, the following effects can be achieved. (Claim 2)

  Since the engaging claw projecting on the back surface of the design member is inserted into the opening and engaged with the seat surface portion of the pedestal, even if the change from the positioning boss to the clip seat is unnecessary, The design member can be fixed in the immediate vicinity of the positioning portion with the door panel, and the positional accuracy of both the design member and the door trim with respect to the door panel can be improved. (Claim 2)

According to the present invention,
When the mold is modified and the positioning boss is changed to the clip seat, the man-hour for modifying the mold can be reduced, the cost can be reduced, and the strength of the positioning boss can be increased. A door trim capable of improving the durability of the positioning boss can be provided.

Exploded perspective view of door View of the door trim from the outside of the passenger compartment An exploded perspective view of the ornament and the door trim body (A) is a perspective view showing a clip and a clip seat holding the clip, (b) a perspective view showing a clip seat before the clip is attached, (c) is a perspective view showing the clip. Sectional view of clip and clip seat holding clip Perspective view of positioning boss of door trim body Sectional drawing which shows the engagement structure of the engagement nail | claw of an ornament and the seat surface part of a base The perspective view which shows the clip seat changed from the positioning boss | hub

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
FIG. 1 shows a side door 50 that can be freely opened and closed at the side of a vehicle body. The side door 50 includes a door panel 1 having a window opening 47 formed at the top thereof, and a resin door trim 2 that covers the door panel 1 below the window opening 47. A window glass G is provided in the window opening 47 of the door panel 1 so as to be movable up and down.

  The door panel 1 includes an outer panel 3 on the vehicle interior outside W2 and an inner panel 4 on the vehicle interior side W1. The outer panel 3 and the inner panel 4 are joined to each other at the periphery, and the inner portions on the inner side of the periphery are opposed to each other with a space therebetween.

  An inner weather strip made of a rubber-like elastic body that seals the window glass G is attached to the attachment flange 4F at the upper end of the inner panel 4, and the wind glass G is attached to the attachment flange at the upper end of the outer panel 3. An outer weather strip made of a rubber-like elastic body that seals between the two is attached.

[Structure of door trim 2]
As shown in FIGS. 1 to 3, the door trim 2 includes a door trim main body 24 facing the inner panel 4, and an ornament 40 (“design member”) that overlaps a part of the door trim main body 24 on the design surface 24 </ b> M side. And an armrest 46 on which an occupant's arm is placed. As shown in FIGS. 1 and 2, a pocket member 41 having a rectangular shape in side view long in the vehicle front-rear direction is fixed to the back side of the lower center of the door trim main body 24 located below the armrest 46. A pocket 43 is formed.

[Structure of door trim body 24]
As shown in FIG. 3, an ornament fixing portion 28 (corresponding to an overlapping portion with the ornament 40 of the door trim main body 24) is provided at the front upper portion of the door trim main body 24 in the door front-rear direction (vehicle front-rear direction). An ornament 40 is overlapped and fixed to the vehicle interior side W1. The ornament fixing portion 28 is formed with a first weight reducing hole 28H1 on the rear side and a second weight reducing hole 28H2 on the front side in the front-rear direction of the door.

  In addition, a plurality of clip seats 30 (see FIG. 2) are dispersedly disposed on the back surface (the surface opposite to the design surface 24M (see FIG. 1)) of the peripheral portion of the door trim main body 24 and held by the clip seats 30. A door trim main body 24 is attached to the inner panel 4 via a clip 20 (see FIGS. 4A to 4C and 5). The clip 20 is inserted and engaged with a clip hole formed in the inner panel 4. The clip seat 30 is also provided at the peripheral edge portion of the first weight reducing hole 28H1 of the ornament fixing portion 28.

[Structure of clip seat 30 provided on the peripheral edge of the first weight reducing hole 28H1]
As shown in FIGS. 3 to 5, the clip seat 30 provided at the peripheral portion of the first weight reducing hole 28 </ b> H <b> 1 is a hollow first bulge bulged from the back surface 28 </ b> U of the ornament fixing portion 28 of the door trim main body 24. A first seat surface portion 32 is formed on the top of the portion 31.

  The first bulging portion 31 bulges from the back surface of the peripheral portion of the first weight reduction hole 28H1, and opens to the design surface 24M side of the door trim body 24, and is a side portion located on the first weight reduction hole 28H1 side. 31S is opened and formed in a U-shaped cross section, and the side surface 31S1 of the side portion 31S is continuous with the inner peripheral surface of the first weight reducing hole 28H1. Accordingly, the side portion 31S of the first bulging portion 31 of the clip seat 30 serves as a flange with respect to the first weight reduction hole 28H1 of the door trim main body 24, and the rigidity of the peripheral portion of the first weight reduction hole 28H1 is improved. be able to. The opening 31H on the side of the design surface 24M is covered with the ornament 40. Thereby, appearance quality can be improved.

  As shown in FIGS. 4A to 4C, the first seat surface portion 32 is formed flat so as to be orthogonal to the bulging direction of the first bulging portion 31. And the clip insertion hole 34 is formed in the 1st seat surface part 32, and a part of peripheral part of the clip insertion hole 34 is notched, and it opens in the same direction as the opening direction of the side part 31S of the 1st bulging part 31. An opening 35 is formed.

  When the clip 20 is inserted into the clip insertion hole 34, the shaft portion 21 (see FIG. 5) of the clip 20 is inserted into the clip insertion hole 34 from the radially outer side of the clip insertion hole 34 through the opening 35 of the first seat surface portion 32. To do. The seat surface portions 32A (see FIG. 4B) on both sides of the opening 35 of the first seat surface portion 32 are closer to the opening end side of the opening 35 of the first seat surface portion 32 toward the base end portion (the top portion and the top portion). Is formed on an inclined surface located on the opposite end side. Thereby, the shaft portion 21 can be smoothly inserted into the clip insertion hole 34.

  The opening 35 of the first seat surface portion 32 is formed wider toward the radially outer side of the clip insertion hole 34, and a protrusion 36 is formed on a pair of opening peripheral portions facing each other on the clip insertion hole 34 side. The interval between the pair of protrusions 36 is formed narrower than the diameter of the shaft portion 21 of the clip 20, and prevents the clip 20 from coming off from the clip insertion hole 34. The pair of projecting portions 36 are elastically deformed in a direction away from each other as the shaft portion 31 passes through the opening 35 of the first seat surface portion 32, and are elastically restored when the shaft portion 31 is inserted and fitted into the clip insertion hole 34. .

  The opening 35 of the first seat surface portion 32 can be provided in any direction in the circumferential direction of the clip insertion hole 34, and the first seat surface portion is opposite to the direction in which the clip 20 is dropped when the door trim 2 is assembled or removed from the carriage. By providing the 32 openings 35, the clip 20 can be prevented from falling off when the clip 20 comes into contact with other parts or a carriage.

[Structure of clip 20]
As shown in FIGS. 4C and 5, the clip 20 is formed in an axial shape, and one end portion side in the axial direction is configured as a shaft portion 21 inserted into the clip insertion hole 34, and the other end portion side is an inner panel. A pair of disc-shaped clamping pieces 23 (see FIG. 6) configured to be inserted into the clip hole 22 and sandwiching the first seat surface portion 32 of the clip seat 30, and a disc-shaped cover for closing the clip hole 54. The distal end side of the insertion portion 22 is formed in a tapered shape.

[Positioning boss 80 and surrounding structure]
As shown in FIGS. 3 and 6, a hollow pedestal 81 bulges from the back surface 28U (corresponding to the back surface of the door trim main body 24) of the upper peripheral edge portion of the peripheral edge portion of the second weight reducing hole 28H2.

  The pedestal 81 is configured by forming a flat plate-like second seat surface portion 83 on the top of a hollow second bulge portion 82 bulged from the back surface 28U at the center of the peripheral edge. Further, the second bulging portion 82 is open to the design surface 24M (see FIG. 1) side of the door trim body 24. The opening 82H (see FIG. 7) on the design surface 24M side is covered with the ornament 40. Thereby, appearance quality can be improved.

  A positioning boss 80 formed in a tapered shape having a tapered cross section is protruding from the center portion of the second seat surface portion 83. The inclination angle of the outer peripheral surface on the distal end side of the positioning boss 80 (inclination angle with respect to the axis of the positioning boss 80) is set to be larger than the inclination angle of the outer peripheral surface on the proximal end side.

  The positioning boss 80 is inserted and fitted into a positioning hole (not shown) of the inner panel 4, and the outer peripheral surface of the positioning boss 80 abuts on the inner peripheral edge of the positioning hole of the inner panel 4, so that the mounting surface of the inner panel 4 is attached. In the direction along, the position of the door trim main body 24 with respect to the inner panel 4 is determined. Thereby, the positions of the clip 20 and the clip hole can be matched, and the operation of inserting the plurality of clips 20 into the plurality of clip holes is facilitated.

  As described above, the positioning boss 80 inserted and fitted into the positioning hole (not shown) of the inner panel 4 protrudes from the vehicle interior outside W2 at the upper peripheral edge portion of the second weight reducing hole 28H2 of the ornament fixing portion 28. It is provided in the state to do.

  If the rigidity around the positioning boss 80 is insufficient after the door trim 2 having the above-described configuration is formed, the molding die is corrected, a clip seat 89 (see FIG. 8) is formed in place of the positioning boss 80, and the clip seat 89 Is fixed to the inner panel 4 via the clip 20. The clip seat 89 formed in place of the positioning boss 80 is configured in substantially the same structure as the clip seat 30 provided at the peripheral edge of the first weight reducing hole 28H1.

  When the clip seat 89 is molded in place of the positioning boss 80, the molding die can be corrected only by correcting the molding die portion corresponding to the second seat surface portion 83 of the pedestal 81 and the positioning boss 80. The base end portion 20K (the shaft portion 21 and the one clamping piece 23) of the clip 20 moves in the radial direction to the side portion 82S of the second bulging portion 82 of the base 81 and passes through the rectangular opening 82K (in the opening). The hollow portion of the base 81 is formed in the accommodating portion 81S of the base end portion 20K of the clip 20 (see FIG. 7). Thereby, the 2nd bulging part 82 is formed in the cross-sectional U-shape.

  As shown in FIG. 7, the peripheral edge 82K1 of the opening 82K of the side portion 82S on the base side of the second bulging portion 82 is a second bulging portion than the peripheral edge 82K2 of the opening 82K of the side portion 82S on the second seating surface portion 83 side. Located outside the portion 82 (outside in the radial direction of the second bulging portion 82), the opening 82K of the side portion 82S is open even when viewed from the bulging direction of the second bulging portion 82.

  Further, the end portion 83A (see FIG. 6) of the second seat surface portion 83 on the opening 82K side is the base end portion (the end portion on the opposite side of the top portion) of the second bulging portion 82 toward the peripheral edge 82K2 side of the opening 82K. ) Side is formed on the inclined surface.

The structure of the portion other than the second seat surface portion 83 of the pedestal 81 is configured substantially the same as the structure of the portion other than the first seat surface portion 32 of the clip seat 30 provided at the peripheral edge portion of the first weight reducing hole 28H1. Yes.
FIG. 8 shows a clip seat 89 changed from the positioning boss 80. Reference numeral 86 is a protrusion, 87 is a clip insertion hole, and 88 is an opening. Thus, the clip seat 89 formed in place of the positioning boss 80 is formed in substantially the same structure as the clip seat 30 provided at the peripheral edge of the first weight reducing hole 28H1. That is, the second seat surface portion 83 is changed to have substantially the same structure as the first seat surface portion 32 of the clip seat 30.

  As shown in FIG. 7, an engagement claw 90 projects from the back surface of the ornament 40, and the engagement claw 90 is inserted into the opening 82 </ b> K of the side portion 82 </ b> S and engages with the second seat surface portion 83 of the pedestal 81. is doing. Since the opening 82K of the side portion 82S is open even when viewed from the bulging direction of the second bulging portion 82, the engaging claw 90 is smoothly inserted into the opening 82K of the side portion 82S.

  According to this configuration, even when the change from the positioning boss 80 to the clip seat is unnecessary (when the rigidity around the positioning boss 80 is secured), the pedestal 81 is effectively used to It can fix in the immediate vicinity of the positioning part with the inner panel 4, and can raise the positional accuracy of both the ornament 40 and the door trim 2 with respect to the inner panel 4. FIG.

[Structure of ornament 40]
As shown in FIG. 3, the ornament 40 is formed long in the front-rear direction of the door. The upper end 40J of the ornament 40 is formed in a straight line extending in the front-rear direction of the door, the lower end 40K is slightly inclined so as to be positioned downward as the door front side Fr, and the rear end 40U of the door rear side Rr is closer to the door rear side Rr. The front end 40N of the door front side Fr is inclined so as to be positioned downward as the door rear side Rr. The front end 40N and the rear end 40U are formed as projecting curved surfaces, and the corner portion between the rear end 40U and the upper end 40J and the corner portion between the rear end 40U and the lower end 40K are each formed in an arc shape.

  A long hole 40H that is long in the front-rear direction of the door is formed in the rear half of the ornament 40 on the door rear side Rr in the front-rear direction of the door (also the vehicle front-rear direction). A plurality of welding bosses B are distributed on the back surface of the ornament 40 and protrude from the back surface. The plurality of welding bosses B are inserted into a boss insertion hole 28S formed at the peripheral edge of the first weight reduction hole 28H1 of the door trim body 24, and the end of the welding boss B protruding from the boss insertion hole 28S is the boss insertion hole 28S. It is heat-welded to the peripheral part of.

[Structure of engaging claws 41 and 42]
As shown in FIG. 3, a plurality of engaging claws 41 and 42 project from the back surface of the upper end portion 40J1 on the rear half side of the ornament 40 in the front-rear direction of the door, and a plurality of engagement claws are provided on the back surface of the upper end portion 40J2 on the front half side. Joint claws 41 and 42 are projected.

  A plurality of engaging claws 41, 42 projecting from the back surface of the upper end portion 40 J 1 on the rear half side of the ornament 40 are a plurality of upper end portions 28 J 1 on the rear half side of the ornament fixing portion 28 of the door trim body 24. The first claw insertion holes 28K1 are inserted into the first claw insertion holes 28K1 to engage with the engagement lips of the inner weather strip.

  The plurality of engaging claws 41 and 42 projecting from the back surface of the upper end portion 40J2 on the front half side of the ornament 40 are a single square hole formed in the upper end portion 28J2 on the front half portion side of the ornament fixing portion 28. Is inserted into the second claw insertion hole 28K2 and engages with the engagement lip of the inner weather strip.

  As shown in FIG. 3, a plurality of second engagement claws 61 are formed on the back surface of the lower end portion and the front end portion of the ornament 40, and a plurality of second engagement claws 61 are formed on the ornament fixing portion 28. The plurality of engagement holes 62 are inserted and engaged.

  In a state where the ornament 40 is fixed to the ornament fixing portion 28, the long hole 40H of the ornament 40 overlaps with the first weight reducing hole 28H1 of the ornament fixing portion 28. Then, a door inside handle (not shown) used for door opening / closing and unlocking operation is inserted through the long hole 40H of the ornament 40 and the first weight reduction hole 28H1 of the ornament fixing portion 28. This door inside handle is attached to the inner panel 4.

  According to the above configuration, when the clip seat 89 is molded in place of the positioning boss 80, the molding die is corrected by correcting the molding die portion corresponding to the second seat surface portion 83 of the pedestal 81 and the positioning boss 80. Therefore, it is possible to greatly reduce the man-hours for correcting the mold and reduce the cost. Moreover, since the height dimension of the positioning boss 80 can be shortened by the pedestal, the strength of the positioning boss 80 can be increased.

1 Door Panel 20 Clip 20K Clip Base End 24 Door Trim Main Body 24M Design Surface (Design Surface of Door Trim Main Body)
28 Overlap (Ornament fixing part of door trim body)
28U back side (back side of door trim body, back side of overlapping part)
30 clip seat 40 design member (ornament)
80 Positioning boss 81 Base 81S Housing portion 82S Side of base (side of second bulge of base)
82K opening (side opening)
82K1 Perimeter of opening on base side of base 82K2 Perimeter of opening on seat surface side 83 Seat surface (second seat surface of base)
89 Clip seat (clip seat changed from positioning boss)
90 engaging claws

Claims (2)

A positioning boss inserted into the positioning hole of the door panel is projected on the back surface,
When the rigidity around the positioning boss is insufficient after molding, the molding die is modified, a clip seat is molded in place of the positioning boss, and the clip seat is fixed to the door panel via the clip. Because
A hollow pedestal bulges from the back surface,
The positioning boss protrudes from the seat surface portion of the pedestal,
When the clip seat is molded in place of the positioning boss, the side of the pedestal is such that the mold only needs to be corrected for the mold portion corresponding to the seat surface portion of the pedestal and the positioning boss. An opening through which a base end portion of the clip passes is formed in a portion, and a hollow portion of the pedestal is configured as a housing portion of the base end portion of the clip. A door trim main body, and a design member that overlaps a part of the design surface side of the door trim main body,
The pedestal bulges from the back surface of the overlapping portion with the design member of the door trim body,
The peripheral edge of the opening on the base side of the pedestal is positioned outside the pedestal with respect to the peripheral edge of the opening on the seating surface side,
The door trim according to claim 1, wherein an engaging claw projecting from the back surface of the design member is inserted into the opening and engaged with a seat surface portion of the pedestal.

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