JP5700279B2 - Door trim - Google Patents

Description

The present invention
A board that constitutes the door trim main body, and an ornament that overlaps the back surface of the board,
A pair of caulking bosses projecting from the back surface of the board is inserted into a pair of boss insertion holes formed in the ornament, respectively, and the pair of caulking bosses are caulked to fix the ornament to the board. And
The present invention relates to a door trim in which a clip seat fixed to a door panel via a clip is formed in the ornament.

As a means for improving the design of the door trim, a means is used in which the door trim is divided into a board and an ornament and, for example, the ornament color is made different from the board color and superimposed on the board.
In this means, since the door trim is divided into a board and an ornament and then connected to each other, it is necessary to prevent the connection strength between the board and the ornament from being lowered.
Therefore, conventionally, as disclosed in Patent Document 1, an ornament (trim upper) is sandwiched between a reinforcing plate (waist garnish) and a board (trim lower), and a pair of caulking bosses protruding from the back surface of the board is ornamented. The boss insertion holes are respectively inserted into the boss insertion holes and the boss insertion holes of the reinforcing plate are inserted into the boss insertion holes. The tops of the caulking bosses are caulked into the reinforcing plate, and the three members are fixed together.

JP-A-11-334362

A step portion is formed by forming an armrest or the like on the board. Stress easily concentrates on this stepped portion, and the means for simply fixing the three members together by sandwiching the ornament between the reinforcing plate and the board as in the conventional structure described above sufficiently improves the connection strength between the board and the ornament. It was difficult.
The present invention has been made in view of the above circumstances, and an object thereof is to provide a door trim that can sufficiently improve the connection strength between a board and an ornament and is excellent in durability.

The feature of the present invention is that
A board that constitutes the door trim main body, and an ornament that overlaps the back surface of the board,
A pair of caulking bosses projecting from the back surface of the board is inserted into a pair of boss insertion holes formed in the ornament, respectively, and the pair of caulking bosses are caulked to fix the ornament to the board. And
A clip seat fixed to the door panel via a clip is a door trim formed in the ornament,
The pair of caulking bosses are located across a step formed on the board,
Reinforcing ribs projecting from the back surface of the board are bridged over the pair of caulking bosses,
The clip seat is located between the pair of caulking bosses when viewed from the front and back direction of the board ,
The reinforcing rib intersects with the caulking boss, a first reinforcing rib portion between the pair of caulking bosses, and a second reinforcement projecting from the caulking boss on the opposite side of the first reinforcing rib portion. It consists of a rib part,
The ornament is in contact with the top of the first reinforcing rib portion around one caulking boss and the top of the second reinforcing rib portion around the other caulking boss . (Claim 1)

According to this configuration, the pair of caulking bosses are located across the stepped portion formed on the board, and the pair of caulking bosses span the reinforcing ribs protruding from the back surface of the board. Therefore, the step portion can be reinforced by the reinforcing rib. When the reinforcing rib is bridged between the pair of caulking bosses, the reinforcing rib and the caulking boss mutually reinforce the other side, and the reinforcing rib is simply provided on the back surface of the stepped portion. The reinforcing effect can be enhanced.
In addition, when the door trim is removed for maintenance or the like, a large force is applied to the clip seat. For example, if a clip seat is provided in the vicinity of the step portion, stress is concentrated on the step portion when the door trim is removed. According to the above configuration of the present invention, since the stepped portion is reinforced with the reinforcing rib, the clip seat can be disposed in the vicinity of the stepped portion, and the degree of freedom of the placement of the clip seat is improved. Can do.
Further, since the clip seat is located between the pair of caulking bosses when viewed from the front and back direction of the board, the force applied to the clip seat is distributed to the pair of caulking bosses reinforced by the reinforcing ribs, The force applied to the step portion can be reduced. Thereby, whitening and destruction of the stepped portion can be avoided.
At the time of a side collision, the door trim receives a large force from the outside of the passenger compartment, but according to the above structure of the present invention, the stepped portion of the board is reinforced to improve the rigidity. Can be prevented, the deformation of the door trim toward the occupant can be prevented, and the occupant can be protected.
Further, the ornament is caulked and fixed in contact with the top of the first reinforcing rib portion around one caulking boss and the top of the second reinforcing rib portion around the other caulking boss. Thus, the effect of fixing the clip to the door panel is exerted on the upper and lower caulking bosses of the stepped portion, and the strength of the stepped portion can be further improved. (Claim 1)

In the present invention,
An armrest body that bulges toward the vehicle interior is formed on the board,
The stepped portion includes an armrest portion of the armrest body, a side wall of the armrest body extending downward from an end portion on the vehicle interior side of the armrest portion, and a board portion extending upward from an end portion of the armrest portion on the vehicle exterior side. And formed with
The pair of caulking bosses are positioned across the stepped portion in the vertical direction,
When the clip seat is positioned between the pair of upper and lower caulking bosses when viewed from the front and back direction of the board, the following effects can be achieved. (Claim 2)

  When an occupant puts his arm on the armrest part of the armrest body, a strong force is applied to the stepped part formed by the armrest body, but according to the configuration of the present invention, the stepped part is reinforced as described above. The arm of the occupant can be firmly held by the armrest body, and separation of the board and the ornament can be prevented. (Claim 2)

In the present invention,
The stepped portion is located on the lower caulking boss side in the vertical direction,
If the clip seat is located on the upper caulking boss side in the vertical direction, the following action can be achieved. (Claim 3)

  When removing the door trim, a force is applied to both caulking bosses via the clip held by the clip seat. According to the above configuration of the present invention, the stepped portion is positioned to be biased toward the lower caulking boss in the vertical direction, and the clip seat is positioned to be biased toward the upper caulking boss in the vertical direction. The step part and the lower caulking boss can be separated from the clip as much as possible, and the force applied to the step part from the clip when removing the door trim can be reduced, thereby avoiding the whitening and destruction of the step part. be able to. (Claim 3)

According to the present invention,
The connection strength between the board and the ornament can be sufficiently improved, and a door trim with excellent durability can be provided.

Side view of the front half of the car A view of the door from inside the vehicle A view of the door trim from the back side (outside the cabin) A perspective view of the door trim as seen from the vehicle interior side Exploded perspective view of board and ornament connection structure AA sectional view of FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
1 and 2 show a front door 50 that can be freely opened and closed on the side of a vehicle body. The front door 50 includes a door panel 1 having a window opening 47 formed in an upper portion thereof, and a 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, and a mirror garnish 10 is attached to a front corner 47C of the window opening 47. The mirror garnish 10 covers and hides the side mirror fixing portion of the door panel 1 and the screw that fixes the side mirror to the side mirror fixing portion.

[Structure of door panel 1]
The door panel 1 includes an outer panel 3 on the outer side W2 (see FIG. 4) and an inner panel 4 on the inner 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 (not shown) made of a rubber-like elastic body that seals the window glass G is attached to the attachment flange at the upper end of the inner panel 4, and attached to the attachment flange at the upper end of the outer panel 3. An outer weather strip (not shown) made of a rubber-like elastic body that seals between the window glass G and the window glass G is attached.

[Structure of door trim 2]
As shown in FIGS. 2 to 4, the door trim 2 includes a board 11 constituting the door trim main body, an ornament 12 as a decorative part (design member) that overlaps the back surface of the board 11, and an armrest 46 on which an occupant's arm is placed. It has. The armrest 46 includes an armrest main body 49 formed so as to bulge to the vehicle interior side W1 and an arm restore upper 48 that overlaps the armrest main body 49 from above. As shown in FIG. 3, a pocket member 41 is fixed to the back side of the lower center of the board 11 positioned below the armrest 46, and a pocket 43 (see FIGS. 2 to 4) that is long in the door front-rear direction (vehicle front-rear direction). It is formed on the board 11.

  The board 11, the ornament 12, the arm restorer 48 and the pocket member 41 are all made of resin, the board 11 is gray, the ornament 12 is red, and the arm restorer 48 is blue. Sexuality is enhanced. Since the ornament 12 separate from the board 11 is provided as described above, it is possible to cope with the specification classification on the design surface such as color, skin or paint. And, it becomes possible to improve merchantability by expanding the range of selection of specifications.

[Structure of board 11 of door trim 2]
A board portion located between the front upper portion and the rear upper portion of the board 11 in the front-rear direction of the door (vehicle front-rear direction) and above the armrest 46 is cut out, and the ornament is fixed to the peripheral portion of the cut-out 23 A portion 13 is provided. As shown in FIGS. 3, 5, and 6, a plurality of cylindrical caulking bosses 13 </ b> B protruding from the passenger compartment outer side W <b> 2 are dispersedly arranged in the ornament fixing portion 13.

  The notch 23 is formed in an upside down trapezoidal shape, and the lower peripheral edge portion of the notch 23 is formed in a gentle arc shape that protrudes upward along the upper surface of the armrest 46, so that the door front side (vehicle front side) ) It is slightly inclined forward and downward so that it is located below Fr. The upper end portions of the front and rear end portions of the board 11 are folded back to the vehicle interior outside W2 to form a folded portion 11A.

  A plurality of clip seats 30 (see FIG. 3) are distributed on the back surface (the surface opposite to the design surface) of the peripheral portion of the board 11, and the board 11 is interposed via the clips 20 held by the clip seat 30. Is configured to be attached to the inner panel 4. The clip 20 is inserted and engaged with a clip hole 4H (see FIG. 6) formed in the inner panel 4.

  As shown in FIGS. 5 and 6, the clip seat 30 is not provided at the rear end portion of the board 11 on which the ornament fixing portion 13 is formed (the lower rear end portion of the ornament fixing portion 13). A clip seat 30 is provided at the rear end portion of the ornament 12 that overlaps the rear end portion. The clip 20 held by the clip seat 30 at the rear end portion of the ornament 12 is inserted and engaged with the clip hole 4H of the inner panel 4 in the same manner as the clips 20 held by the other clip seats 30.

[Structure of ornament 12]
As shown in FIG. 4, the ornament 12 is formed in an upside down trapezoidal shape corresponding to the notch 23 of the board 11, and the lower peripheral edge of the ornament 12 is a gentle convex convex upward on the upper surface of the armrest 46. It is formed in an arc shape and is slightly inclined forward and downward so as to be positioned downward as the door front side. The upper end portion of the ornament 12 is folded back to the vehicle interior outside W2, and the upper surface of the folded portion 12A is positioned substantially at the same position in the vertical direction as the upper surface of the folded portion 11A formed at the upper end portions of the front and rear ends of the board 11. The end portions of the adjacent folded portions 11A and 12A are butted against each other in the door front-rear direction.

  At both front and rear ends of the folded portion 12A of the ornament 12, support portions 12J (see FIG. 3) having an L-shaped cross section for receiving and supporting the folded portion 11A on the upper end portion side of the board 11 from the lower side are formed. In addition, a plurality of ribs 55 (see FIG. 3) are arranged integrally on the back surface of the upper portion of the ornament 12 and the back surface (lower surface) of the folded back 12 </ b> A of the ornament 12 at intervals in the front-rear direction of the door.

  As shown in FIG. 3, an opening 12 </ b> K for a door opening / closing operation lever is formed at the center in the vertical direction of the front portion of the ornament 12. The opening 12K is formed in a rectangular shape that is long in the front-rear direction of the door. In addition, a plurality of mounting flanges 12F are dispersedly disposed around the periphery of the ornament 12, and boss insertion holes 12H (see FIG. 5) are formed in the mounting flange 12F.

[Structure of arm restore upper 48]
The arm restore upper 48 is formed in a plate shape that is long in the front-rear direction of the door with the side portion of the vehicle interior side W1 bent downward, and the front end portion is inclined forward and downward in the front-rear direction of the door. A pull handle 33 that is gripped by the occupant when the door is opened and closed is recessed substantially at the center of the arm restore upper 48, and a door lock and an electric opening and closing window for operating the door lock are provided on the front side Fr of the pull handle 33. A switch assembly 34 is assembled.

  As shown in FIGS. 5 and 6, the ornament 12 is overlapped on the ornament fixing portion 13 from the vehicle compartment outer side W <b> 2, and the plurality of crimps are inserted into the plurality of boss insertion holes 12 </ b> H distributed in the periphery of the ornament 12. Each boss 13B is inserted and fixed by caulking, and an arm restore upper 48 is caulked and fixed to the armrest body 49 of the board 11. Next, the joining structure of the rear end portion of the ornament 12, the board 11, and the inner panel 4 will be described.

[Junction Structure of Rear End of Ornament 12, Board 11, and Inner Panel 4]
As shown in FIGS. 5 and 6, a pair of upper and lower caulking bosses 13 </ b> B projecting from the ornament fixing portion 13 of the board 11 and projecting to the vehicle interior outside W <b> 2 are formed on the rear end portion of the ornament 12. The boss insertion holes 12H are inserted into the respective boss insertion holes 12H, and a pair of caulking bosses 13B are caulked (thermal caulking, but other caulking may be used). It is fixed to the part 13.

  The pair of upper and lower caulking bosses 13B are positioned with a stepped portion 39 formed on the board 11 sandwiched in the vertical direction, and reinforcing ribs 56 projecting from the back surface of the board 11 are bridged between the upper and lower caulking bosses 13B. ing. The step portion 39 includes an armrest portion 49K of the armrest body 49, a side wall 49S of the armrest body 49 that extends downward from an end portion of the armrest portion 49K on the vehicle interior side W1, and an end portion of the armrest portion 49K on the vehicle exterior side W2. The board portion 49B extends upward. In addition, the stepped portion 39 is offset toward the lower caulking boss 13B in the vertical direction.

  Since the pair of upper and lower caulking bosses 13B are located across the stepped portion 39 formed on the board 11, the first fixing surface 13M1 (the back surface of the board 11) of the ornament fixing portion 13 provided with the lower caulking boss 13B is provided. ) Is positioned closer to the vehicle interior side W1 than the second fixing surface 13M2 (the back surface of the board 11) of the ornament fixing portion 13 provided with the upper caulking boss 13B. Therefore, a pedestal 13D bulges on the first fixing surface 13M1 of the ornament fixing portion 13 where the lower caulking boss 13B is provided, and the lower caulking boss 13B extends from the seating surface portion 13Z of the pedestal 13D. Projects to the outside W2. Accordingly, it is possible to avoid the length of the lower caulking boss 13B from becoming too long, and to prevent the rigidity strength of the caulking boss 13B from being lowered.

  The upper and lower ends of the reinforcing rib 56 intersect the caulking boss 13B. The reinforcing rib 56 includes a first reinforcing rib portion 56A and a first reinforcing rib portion 56A between the upper and lower pair of caulking bosses 13B. Consists of a second reinforcing rib portion 56B protruding from the caulking boss 13B on the opposite side (upper side or lower side). Since the first reinforcing rib portion 56 </ b> A also protrudes from the back surface of the stepped portion 39, it is formed in an L shape corresponding to the cross-sectional shape of the stepped portion 39.

  A clip seat 30 positioned between a pair of upper and lower caulking bosses 13 </ b> B as viewed from the front and back direction of the board 11 is formed in a state of bulging to the vehicle interior outside W <b> 2 at the rear end portion of the ornament 12. The clip seat 30 is offset in the vertical direction toward the upper caulking boss 13 </ b> B, and is fixed to the inner panel 4 via the clip 20, as with the other clip seats 30. The ornament 12 is in contact with the top 56A1 of the first reinforcing rib portion 56A around one caulking boss 13B and the top 56B1 of the second reinforcing rib portion 56B around the other caulking boss 13B. .

According to the above configuration,
(1) A pair of upper and lower caulking bosses 13B are positioned with a stepped portion 39 formed on the board 11 therebetween, and reinforcing ribs 56 protruding from the back surface of the board 11 are bridged between the upper and lower caulking bosses 13B. Therefore, the stepped portion 39 can be reinforced by the reinforcing rib 56. Since the reinforcing ribs 56 are bridged between the pair of caulking bosses 13B, the reinforcing ribs 56 and the caulking bosses 13B mutually reinforce the other side, and the reinforcing ribs 56 are simply formed on the back surface of the stepped portion 39. The reinforcing effect can be enhanced as compared with the case where the projection is provided.
For example, when the door trim is removed for maintenance or the like, a large force is applied to the clip seat 30. Therefore, if the clip seat 30 is provided in the vicinity of the step portion 39, stress is concentrated on the step portion 39 when the door trim 2 is removed. Although the step portion 39 is easily broken, according to the above-described configuration of the present invention, the step portion 39 is reinforced by the reinforcing rib 56, so that the clip seat 30 can be disposed in the vicinity of the step portion 39. The degree of freedom of arrangement of the clip seat 30 can be improved.
Further, since the clip seat 30 is located between the pair of upper and lower caulking bosses 13B when viewed from the front and back sides of the board 11, a pair of caulking bosses reinforced by the reinforcing ribs 56 is applied to the force applied to the clip seat 30. It is possible to reduce the force applied to the stepped portion 39 by dispersing in 13B. Thereby, whitening and destruction of the stepped portion 39 can be avoided.
At the time of a side collision, the door trim 2 receives a large force from the passenger compartment outer side W2, but according to the above structure of the present invention, the step portion 39 of the board 11 is reinforced to improve the rigidity. The step portion 39 can be prevented from being destroyed, the door trim 2 can be prevented from being deformed toward the occupant, and the occupant can be protected.

(2) When an occupant puts his arm on the armrest 49K of the armrest body 49 via the arm restorer 48, a strong force is applied to the stepped portion 39 formed by the armrest body 49. According to the configuration of the present invention, As described above, the step portion 39 can be reinforced, the occupant's arm can be firmly held by the armrest, and separation of the board 11 and the ornament 12 can be prevented.

(3) When the door trim 2 is removed, force is applied to both caulking bosses 13 </ b> B via the clip 20 held by the clip seat 30. According to the above configuration of the present invention, the stepped portion 39 is located on the lower caulking boss 13B side in the vertical direction, and the clip seat 30 is located on the upper caulking boss 13B side in the vertical direction. Therefore, the stepped portion 39 and the lower caulking boss 13B can be separated as far as possible from the clip 20, and the force applied to the stepped portion 30 from the clip 20 when the door trim 2 is removed can be reduced. Thus, the whitening and destruction of the stepped portion 39 can be avoided.

(4) The ornament 12 includes a top 56A1 of the first reinforcing rib portion 56A around one caulking boss 13B and a top 56B1 of the second reinforcing rib portion 56B around the other caulking boss 13B. Since the clip 20 is fixed by crimping, the effect of fixing the clip 20 to the door panel 1 is exerted on the upper and lower caulking bosses 13B of the stepped portion 39, and the strength of the stepped portion 39 can be further improved.

DESCRIPTION OF SYMBOLS 1 Door panel 11 Board 12 Ornament 12H Boss insertion hole 13B Caulking boss 20 Clip 30 Clip seat 39 Step part 49 Armrest main body 49B Board part 49K Armrest part 49S Side wall 56 Reinforcement rib 56A First reinforcement rib part 56A1 Top part of the first reinforcement rib part 56B Second reinforcing rib portion 56B1 Top portion W1 of second reinforcing rib portion Car interior side W2 Car exterior side

Claims (3)

A board that constitutes the door trim main body, and an ornament that overlaps the back surface of the board,
A pair of caulking bosses projecting from the back surface of the board is inserted into a pair of boss insertion holes formed in the ornament, respectively, and the pair of caulking bosses are caulked to fix the ornament to the board. And
A clip seat fixed to the door panel via a clip is a door trim formed in the ornament,
The pair of caulking bosses are located across a step formed on the board,
Reinforcing ribs projecting from the back surface of the board are bridged over the pair of caulking bosses,
The clip seat is located between the pair of caulking bosses when viewed from the front and back direction of the board ,
The reinforcing rib intersects with the caulking boss, a first reinforcing rib portion between the pair of caulking bosses, and a second reinforcement projecting from the caulking boss on the opposite side of the first reinforcing rib portion. It consists of a rib part,
The door trim is in contact with the top of the first reinforcing rib portion around one caulking boss and the top of the second reinforcing rib portion around the other caulking boss . An armrest body that bulges toward the vehicle interior is formed on the board,
The stepped portion includes an armrest portion of the armrest body, a side wall of the armrest body extending downward from an end portion on the vehicle interior side of the armrest portion, and a board portion extending upward from an end portion of the armrest portion on the vehicle exterior side. And formed with
The pair of caulking bosses are positioned across the stepped portion in the vertical direction,
The door trim according to claim 1, wherein the clip seat is positioned between the pair of upper and lower caulking bosses when viewed from the front and back direction of the board. The stepped portion is located on the lower caulking boss side in the vertical direction,
The door trim according to claim 2, wherein the clip seat is offset toward the upper caulking boss in the vertical direction.

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