JP6499618B2 - Vehicle door upper trim - Google Patents

Description

  The present invention relates to an upper trim for a vehicle door.

  The upper trim that constitutes the upper edge of the door trim of the vehicle door extends in the vehicle front-rear direction. The upper trim, the trim inner wall that hangs from the passenger compartment side of the trim upper wall, and the exterior of the passenger compartment. A mounting portion for mounting the weather strip is provided.

The upper trim shown in Patent Document 1 is divided into a main core material that occupies the main region of the upper trim and a sub-core material that occupies the front region of the upper trim for reasons of molding. The main core member has an upper wall portion, an inner wall portion that hangs down from the passenger compartment side of the upper wall portion, and a mounting portion that is formed on the edge of the upper wall portion outside the passenger compartment so as to be separated in the vehicle front-rear direction. doing. The sub-core member has an upper wall portion and a mounting portion formed on the edge of the upper wall portion on the outer side of the passenger compartment so as to be separated in the vehicle front-rear direction.
The main core material and the sub-core material are connected to each other. The trim inner wall of the upper trim is constituted by the inner wall portion of the main core material. The upper trim wall of the upper trim is configured by joining the upper wall portion of the main core material and the upper wall portion of the sub-core material to each other.

Japanese Patent Laying-Open No. 2015-98265

  In the upper trim of Patent Document 1, if a shift occurs at the joint between the upper wall portion of the main core material and the upper wall portion of the sub core material, a boundary line between the main core material and the sub core material appears even if covered with the skin. End up. Therefore, Patent Document 1 adopts a structure that fits at the above-mentioned joining location, but this joining structure is complicated and expensive, and the joining work is troublesome.

  The present invention has been made to solve the above problems, and extends in the front-rear direction of the vehicle, and includes a trim upper wall, a trim inner wall that hangs down from the passenger compartment side of the trim upper wall, and a passenger compartment outer side of the trim upper wall. An upper trim of a vehicle door having a trim outer wall hanging from a trim and having a weather strip, the main trim comprising a main core member and a sub-core member that are connected separately from each other An upper wall portion and an inner wall portion extending continuously in the direction, the sub-core member has an outer wall portion extending continuously in the vehicle front-rear direction, and the trim upper wall and the trim inner wall are the upper trim overall length The trim outer wall is constituted by the outer wall portion of the sub-core material over the entire length of the upper trim, and at the intersection of the trim upper wall and the trim outer wall. Main core material Wherein the boundary line of the sub-core material extends.

  According to the above configuration, the boundary line between the main core material and the sub-core material is formed at the intersection of the trim upper wall and the trim outer wall and does not appear on the trim upper wall, so that a good appearance can be secured. Moreover, it is not necessary to employ a complicated joining structure on the upper wall of the trim. In addition, the trim upper wall and trim inner wall are composed of a continuous upper wall portion and inner wall portion of the main core material, and the trim outer wall for mounting the weather strip is also composed of a continuous outer wall portion of the secondary core material. The appearance can be further improved.

Preferably, the sub-core member has a connecting wall portion that is connected to the upper edge of the outer wall portion and is arranged inside the main core member, the connecting wall portion continuously extending in the front-rear direction of the vehicle, A first connecting portion projecting from the upper edge of the outer wall portion toward the passenger compartment along the lower surface of the upper wall portion of the main core member; a second connecting portion depending from the interior side of the first connecting portion; A third connecting part that further hangs down from the two connecting parts, wherein the upper wall part of the main core member and the first connecting part of the connecting wall part are a plurality of first members spaced in the vehicle front-rear direction. At the joint point, the first engaging means is connected in a state where movement of the first connecting part relative to the upper wall part in the vehicle width direction is restricted to the outside of the passenger compartment, and the first engaging means is A first engaging convex portion provided on one of the upper wall portion and the first connecting portion and a first engaging convex portion provided on the other side. And the second connecting portion of the connecting wall portion has a second engaging portion at a plurality of second engaging locations spaced in the vehicle front-rear direction. And the second connecting portion is connected to the main core member in a state in which the downward movement of the second connecting portion is restricted, and the second engaging means is provided on one of the main core member and the second connecting portion. A second engaging convex portion provided on the other side and a second engaging concave portion engaged with the second engaging convex portion, the inner wall portion of the main core member and the connecting wall portion The third connecting portion is in a state where movement of the third connecting portion relative to the inner wall portion in the vehicle front-rear direction, the vehicle width direction, and the vertical direction is prohibited at a plurality of fixed locations spaced in the vehicle front-rear direction. It is fixed.
According to the above configuration, since the secondary core material is fixed to the main core material in a cantilever state at the third connecting portion, the fixed location is centered on the secondary core material via the weather strip when the window glass of the door is lowered. However, the moment can be received by the first engagement means and the second engagement means, and the sub-core material can be stably supported.

  Preferably, the first engagement location and the second engagement location are spaced apart from each other in the vehicle longitudinal direction.

Preferably, on the lower surface of the upper wall portion of the main core member, an engaging claw as the first engaging convex portion protrudes downward, and the engaging claw is formed on the inclined surface outside the vehicle compartment and the vehicle. A steep engaging surface on the chamber side, and the inclined surface is inclined so as to advance upward as it goes out of the passenger compartment, and the first engaging portion is connected to the first connecting portion of the connecting wall portion. An engagement hole into which the engagement claw enters is formed as a recess, and the second engagement projection protrudes toward the outside of the vehicle compartment in the vehicle width direction, and the connection wall portion An insertion hole through which the second engagement convex portion is inserted is formed as the second engagement concave portion in the second coupling portion, and the inner wall portion of the main core member is provided with a vehicle in the vehicle width direction. A boss projecting outward is formed, and a fixing hole through which the boss is inserted is formed in the third connecting part. .
According to the said structure, it can assemble | attach comparatively easily by making a sub-core material approach a vehicle width direction with respect to a main core material.

  Preferably, the second connecting portion of the connecting wall portion is separated from the inner wall portion of the main core member, and a rib protruding downward is formed on the lower surface of the upper wall portion of the main core member. Is provided as the second engaging convex portion.

  According to the present invention, even if the upper trim is divided into the main core material and the sub-core material, a good appearance can be ensured.

It is the front view which looked at the door trim for vehicles incorporating the upper trim which concerns on one Embodiment of this invention from the room inner side. It is an enlarged front view of the upper trim. (A), (B), (C) is AA arrow view in FIG. 2, BB arrow view, and CC arrow sectional drawing, respectively. It is the perspective view which looked at the same upper trim from the compartment side. It is the perspective view which looked at the upper trim from the passenger compartment outside. It is the front view which looked at the sub-core material of the upper trim from the compartment side.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In order to facilitate understanding, FIGS. 1, 2 and 4 to 6 show the vehicle front-rear direction, and FIG. 3 shows the vehicle compartment side and vehicle compartment outer side in the vehicle width direction.

  As shown in FIG. 1, the door trim includes an upper trim 1 that forms an upper edge portion, and a trim body 2 that forms a main portion. The trim body 2 is configured by assembling a plurality of trim constituent materials.

  The upper trim 1 extends in the front-rear direction of the vehicle, and includes a trim upper wall 1a, a trim inner wall 1b that hangs down from the passenger compartment side of the trim upper wall 1a, and a trim that hangs down from the outer side of the passenger compartment of the trim upper wall 1a. As shown in FIG. 3, the cross-sectional shape of the outer wall 1c is substantially inverted U-shaped.

As shown in FIG. 3, the upper trim 1 is configured by connecting a main core material 10 and a sub-core material 20 made of a resin injection molded product having the same length.
The main core member 10 integrally has an upper wall portion 11 and an inner wall portion 12 that hangs down from the vehicle compartment side of the upper wall portion 11. The sub-core member 20 integrally includes an outer wall portion 21 facing the outside of the passenger compartment and a connecting wall portion 22 protruding from the upper edge of the outer wall portion 21 toward the passenger compartment.
As shown in FIGS. 2, 4, and 5, the upper wall portion 11, the inner wall portion 12, the outer wall portion 21, and the connecting wall portion 22 extend continuously in the front-rear direction of the vehicle.

  As will be described later, by connecting the connecting wall portion 22 to the main core material 10, the sub-core material 20 is assembled to the main core material 10. In this assembled state, the upper edge of the outer wall portion 21 of the sub-core member 20 is in contact with the lower surface of the outer edge portion of the upper wall portion 11 of the main core member 10. The main core material 10 and the sub-core material 20 are covered with a skin 30.

  The upper trim wall 1a and the inner trim wall 1b of the upper trim 1 are respectively constituted by the upper wall part 11 and the inner wall part 12 of the main core member 10 over the entire length thereof. The trim outer wall 1c of the upper trim 1 is constituted by the outer wall portion 21 of the sub-core member 20 over its entire length. A boundary line L between the main core material 10 and the sub-core material 20 extends at the intersection between the trim upper wall 1a of the upper trim 1 and the trim outer wall 1c.

Even if a misalignment occurs in the boundary line L between the main core material 10 and the sub-core material 20 due to molding errors and assembly errors, the boundary line L is an intersection of the trim upper wall 1a of the upper trim 1 and the trim outer wall 1c. Because it is formed in, it is not noticeable. Since the trim upper wall 1a and the trim inner wall 1b of the upper trim 1 that are easy to touch are constituted by only the upper wall portion 11 and the inner wall portion 12 of the main core member 10, a good appearance can be secured.
Furthermore, since the trim outer wall 1c of the upper trim 1 is constituted by the continuous outer wall portion 21 of the sub-core member 20, the outer skin 30 has no irregularities, and the appearance seen from outside the vehicle compartment is also good.

As shown in FIGS. 3B and 3C, a weather strip S is attached to the upper trim 1. More specifically, an attachment hole 21a is formed in the outer wall portion 21 of the sub-core member 20 as shown in FIG. 5, and a clip of the weather strip S is inserted into the attachment hole 21a.
A large number of connecting holes 12a are formed in the lower edge portion of the inner wall portion 12 of the main core member 10, and the upper trim 1 is connected to the upper edge portion of the trim body 2 through the connecting holes 12a. It has become.

Next, the connection structure of the main core material 10 and the sub-core material 20 will be described in detail. As shown in FIG. 3, the connecting wall portion 22 of the sub-core member 20 protrudes from the upper edge of the outer wall portion 21 toward the passenger compartment and extends along the lower surface of the upper wall portion 11 of the main core member 10. The second connecting part 26 hangs down from the indoor side of the first connecting part 25 and the third connecting part 27 further hangs down from the second connecting part 26.
As shown in FIG. 6, the first connecting portion 25 and the second connecting portion 26 continuously extend in the vehicle front-rear direction, but a plurality of third connecting portions 27 are formed apart from each other in the vehicle front-rear direction.
The second connecting portion 26 is separated from the inner wall portion 12 of the main core member 10, and the third connecting portion 27 is disposed near the inner wall portion 12 and along the inner wall portion 12.

As shown in FIG. 3A, a plurality of engaging claws 15 (first engaging convex portions) projecting downward are formed on the lower surface of the upper wall portion 11 of the main core member 10 in the vicinity of the outer edge of the passenger compartment. Are formed at intervals in the vehicle front-rear direction (longitudinal direction of the upper trim 1). The engaging claw 15 has an inclined surface 15a on the vehicle exterior side and a steep locking surface 15b on the vehicle interior side, and the inclined surface 15a is inclined so as to advance upward as it goes out of the vehicle interior.
Corresponding to the plurality of engaging claws 15, an engaging hole 25 a (first engaging recess) is formed in the first connecting portion 25 of the sub-core member 20. The engagement claw 15 and the engagement hole 25a constitute first engagement means E1.

As shown in FIG. 3 (B), a plurality of ribs 16 projecting downward on the lower surface of the upper wall portion 11 of the main core member 10 are spaced in the vehicle front-rear direction (longitudinal direction of the upper trim 1). Is formed. The rib 16 has a plate shape, is orthogonal to the inner wall portion 12, and is continuous with the upper edge portion of the inner wall portion 12. The rib 16 has an end portion 16a (second engaging convex portion) that protrudes toward the outside of the passenger compartment in the vehicle width direction.
Corresponding to the rib 16, an insertion hole 26 a (second engagement recess) is formed in the second connecting portion 26 of the sub-core member 20. The end 16a of the rib 16 and the insertion hole 26a constitute second engaging means E2.

As shown in FIG. 3A, a plurality of boss portions 17 are formed on the inner wall portion 12 of the main core member 10 at intervals in the vehicle front-rear direction (longitudinal direction of the upper trim 1). The boss portion 17 has a cylindrical shape and protrudes toward the outside of the passenger compartment in the vehicle width direction.
A fixing hole 27 a is formed in the third connecting portion 27 of the sub-core member 20 corresponding to the boss portion 17.

  By bringing the sub-core material 20 closer to the main core material 10 from the direction perpendicular to the longitudinal direction (vehicle width direction), the boss portion 17 of the main core material 10 fits into the fixing hole 27a of the sub-core material 20, and the insertion hole The end 16a of the rib 16 is inserted into 26a. At the same time, the engaging claw 15 enters the engaging hole 25a. Since the engaging claw 15 has the inclined surface 15a, the engaging claw 15 can smoothly enter the engaging hole 25a with elastic deformation and elastic return of the upper wall portion 11 of the main core member 11.

  Next, the tip end portion of the boss portion 17 is melted to form a tip end enlarged portion 17a as indicated by an imaginary line in FIG. 3A and welded to the third connecting portion 27. Accordingly, the third connecting portion 27 is fixed to the inner wall portion 12 so as not to move not only in the radial direction of the boss portion 27 (vertical direction and vehicle longitudinal direction) but also in the vehicle width direction.

In the engagement portion between the end 16a of the rib 16 and the insertion hole 26a, the second connecting portion 26 is restricted from moving in the vertical direction, particularly in the downward direction with respect to the rib 16.
At the engagement portion between the engagement claw 15 and the engagement hole 25a, the first connecting portion 25 restricts movement in the vehicle width direction, particularly in the direction toward the outside of the passenger compartment, with respect to the upper wall portion 11 of the main core member 10. Has been.

  As is apparent from the arrangement of the engagement holes 25a, the insertion holes 26a, and the fixing holes 27a of the sub-core member 20 shown in FIG. 6, in the present embodiment, the first engagement location by the engagement holes 25a and the engagement claws 15 is There are seven places, the second engagement places by the end 16a of the rib 16 and the insertion hole 26a are six places, and the welding fixing places are five places. The first engagement location and the second engagement location are spaced apart in the vehicle longitudinal direction.

  The sub-core member 20 is fixed to the main core member 10 in a cantilever state at the third connecting portion 27, so that the sub-core member 20 is connected to the outer wall portion via the weather strip S when the window glass of the door is lowered. 21 receives a moment in the direction of pushing down 21 (in FIG. 3A, a moment in the clockwise direction around the welding fixing portion). However, as described above, the moment can be borne by the locking action of the end 16a insertion hole 26a of the rib 16 and the locking action of the engagement claw 15 and the engagement hole 25a. Stable support to the main core material 10 can be ensured.

The present invention is not limited to the above-described embodiment, and various aspects can be made. In the first engaging means, the first engaging convex portion may be formed on the first connecting portion of the connecting wall portion, and the first engaging concave portion may be formed on the lower surface of the upper wall portion of the main core member. Further, in the second engaging means, a second engaging convex portion may be formed on the second connecting portion of the connecting wall portion, and a second engaging concave portion may be formed on the upper wall portion or the inner wall portion of the main core member. .
There may be no epidermis.

  The present invention can be applied to an upper trim of a vehicle door.

DESCRIPTION OF SYMBOLS 1 Upper trim 1a Trim upper wall 1b Trim inner wall 1c Trim outer wall 10 Main core material 11 Upper wall part 12 Inner wall part 15 Engagement claw (1st engagement convex part)
15a Inclined surface 15b Locking surface 16 Rib 16a End of rib (second engaging convex portion)
17 Boss part 20 Sub core material 21 Outer wall part 22 Connection wall part 25 1st connection part 25a Engagement hole (1st engagement recessed part)
26 2nd connection part 26a Insertion hole (2nd engagement recessed part)
27 3rd connection part 27a Fixing hole E1 1st engagement means E2 2nd engagement means L Boundary line S Weather strip

Claims (4)

For a vehicle that extends in the longitudinal direction of the vehicle and has a trim upper wall, a trim inner wall that hangs down from the passenger compartment side of the trim upper wall, and a trim outer wall that hangs down from the outer side of the passenger compartment of the trim upper wall and attaches a weather strip Door upper trim,
A main core material and a sub-core material that are connected separately from each other, the main core material having an upper wall portion and an inner wall portion that extend continuously in the front-rear direction of the vehicle, and the sub-core material is a vehicle An outer wall portion extending continuously in the front-rear direction of
The trim upper wall and the trim inner wall are each constituted by the upper wall portion and the inner wall portion of the main core material over the entire length of the upper trim, and the trim outer wall is constituted by the outer wall portion of the sub-core material over the entire length of the upper trim, At the intersection of the trim upper wall and the trim outer wall, a boundary line between the main core material and the sub-core material extends,
The sub-core member has a connecting wall portion that is connected to the upper edge of the outer wall portion and is disposed inside the main core member. The connecting wall portion continuously extends in the front-rear direction of the vehicle, A first connecting portion that protrudes from the upper edge in the direction of the passenger compartment along the lower surface of the upper wall portion of the main core member, a second connecting portion that hangs down from the interior side of the first connecting portion, and the second connecting portion And a third connecting part depending further from
The upper connecting portion of the main core member and the first connecting portion of the connecting wall portion are connected to the upper wall portion by a first engaging means at a plurality of first engaging locations spaced in the vehicle front-rear direction. The first connecting portion is connected in a state in which movement of the first connecting portion to the outside of the passenger compartment in the vehicle width direction is restricted, and the first engaging means is provided on one of the upper wall portion and the first connecting portion. A first engaging convex portion and a first engaging concave portion provided on the other side and engaged with the first engaging convex portion;
The second connecting portion of the main core member and the connecting wall portion is connected to the main core member by a second engaging means at a plurality of second engaging locations spaced in the vehicle front-rear direction. The second engagement means includes a second engagement convex portion provided on one of the main core member and the second connection portion, and a second engagement means on the other side. A second engagement recess provided and engaged with the second engagement protrusion,
The inner wall portion of the main core member and the third connecting portion of the connecting wall portion are arranged at a plurality of fixed positions spaced in the vehicle front-rear direction, the vehicle front-rear direction of the third connecting portion relative to the inner wall portion, a vehicle An upper trim of a vehicle door characterized by being fixed in a state in which movement in a width direction and a vertical direction is prohibited . The upper trim of a vehicle door according to claim 1 , wherein the first engagement location and the second engagement location are spaced apart from each other in the vehicle front-rear direction. On the lower surface of the upper wall portion of the main core member, an engaging claw as the first engaging convex portion is formed to protrude downward, and the engaging claw is formed on the inclined surface on the vehicle exterior side and the vehicle interior side. A steep engaging surface, and the inclined surface is inclined so as to advance upward as it goes out of the passenger compartment. The first connecting portion of the connecting wall portion has the first engaging recess as the first engaging recess. An engagement hole into which the engagement claw enters is formed,
In the main core member, the second engaging convex portion protrudes out of the passenger compartment in the vehicle width direction, and the second connecting portion of the connecting wall portion has the second engaging concave portion as the second engaging concave portion. 2 An insertion hole is formed through which the engaging projection is inserted,
The inner wall portion of the main core member is formed with a boss portion that protrudes toward the outside of the passenger compartment in the vehicle width direction, and the third connecting portion is formed with a fixing hole through which the boss portion is inserted. The upper trim of the vehicle door according to claim 1 or 2 , characterized in that The second connecting part of the connecting wall part is separated from the inner wall part of the main core member;
A rib projecting downward is formed on a lower surface of the upper wall portion of the main core member, and an end portion of the rib on the passenger compartment side is provided as the second engaging convex portion. The upper trim of the vehicle door as described in 3 .

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