JP5114918B2 - Door trim structure - Google Patents

Description

  The present invention relates to a door trim structure in which a door trim provided with an armrest is attached to a vehicle interior side of a door main body.

  As a conventional door structure in which measures are taken to protect passengers against a side collision of a vehicle, a buffer pad is disposed inside the door outer panel and the door inner panel constituting the door main body, and the side collision occurs. As the door outer panel is sometimes deformed in the direction of the door inner panel, the cushion pad is pushed toward the vehicle interior by the door outer panel to actively move the occupant's waist toward the vehicle interior ( For example, see Patent Document 1).

By the way, the vehicle interior side of the door main body portion is internally provided with a door trim, and an armrest that protrudes toward the vehicle interior is integrally formed on the door trim so that an arm portion of a passenger can be placed on the armrest. .
JP-A-8-238931

  However, in such a conventional door trim structure, the position where the armrest is formed on the door trim is a height at which the arm portion of the occupant can be placed, and the height corresponds to the vicinity of the abdomen of the occupant seated on the seat.

  In addition, since the armrest has a horizontal portion for projecting the door trim from the door trim and placing the arm portion of the occupant, when the vehicle is subjected to a side collision and a side impact load is input to the door, As the door main body is deformed toward the vehicle interior, the armrest may enter the vehicle interior at a height corresponding to the vicinity of the passenger's abdomen, and the armrest may interfere with the passenger's abdomen.

  Therefore, an object of the present invention is to obtain a door trim structure that can suppress interference between an armrest and an abdomen of an occupant by moving an armrest provided on the door trim downward when a side collision load is input.

The present invention is a door trim structure in which an armrest for placing an arm portion of an occupant seated in a seat is provided on a door trim attached to a vehicle interior side of a door body portion so as to protrude toward the vehicle interior, and the armrest Provided with an armrest separating portion that separates at least a portion facing the occupant in the vehicle width direction and a door trim located below the facing portion from the door trim body portion, and an upper portion of the armrest separating portion and the door body A bracket that is deformable in the vehicle width direction by a side impact load, and a lower mounting portion that is provided at a lower portion of the armrest separating portion and is attached to the door body portion, the bracket having an upper end wherein comprises a bracket main body upper portion of an armrest separating unit is connected, when the side impact load is inputted to the door body portion, the bra By Tsu preparative main body upper end deforms so as to rotate inward in the vehicle width direction, the height position of the projecting portion of the armrest is moved downward, and so be inhibited from interfering with the occupant's abdomen This is the main feature.

  According to the present invention, when a side impact load is input to the door main body due to a side collision, the bracket that connects the upper portion of the armrest separation portion and the door main body portion is deformed in the vehicle width direction, whereby the armrest separation portion The armrest separation part rotates around the periphery of the lower attachment part provided in the lower part, and the armrest located at the upper part of the armrest separation part moves downward.

  For this reason, interference with the said armrest and a passenger | crew's abdomen can be suppressed.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  (First Embodiment) FIGS. 1 to 8 show a first embodiment of a door trim structure according to the present invention. FIG. 1 is a perspective view of a door trim attached to a door as viewed from the inside of a vehicle interior, and FIG. 1 is an enlarged cross-sectional view taken along line AA in FIG. 1, FIG. 3 is an enlarged cross-sectional view of a portion B in FIG. 2, and FIG. 4 is an exploded perspective view of a door trim showing an assembled state of an armrest separating portion. Fig. 6 is a perspective view of a door trim showing a state in which the armrest is moved downward by the input of a side impact load, and Fig. 6 is a vehicle of an armrest separation unit that shows a state before and after a side collision by (a) and (b), respectively. FIG. 7 is a cross-sectional view showing a mounting state of a buffer member penetrating the door inner panel, and FIG. 8 is an enlarged cross-sectional view of a portion C in FIG.

  As shown in FIGS. 1 and 2, the door trim structure of the present embodiment is such that the door trim 2 that houses the door 1 is on the vehicle interior side of the door main body portion 3 including the door outer panel 3a and the door inner panel 3b, that is, the door inner. It is attached to the vehicle interior side (right side in FIG. 2) of the panel 3b.

  The door trim 2 is provided with an armrest 4 for projecting toward the vehicle interior to place an arm portion of an occupant seated on a seat provided near the vehicle interior of the door 1. The armrest 4 is formed so as to protrude from the door trim 2 by integral molding, and has a substantially horizontal upper surface 4a on which an occupant's arm portion is placed, and is inclined downward from the protruding end of the upper surface 4a and outward of the vehicle compartment to the door trim body portion 2a. A lower surface 4b connected thereto, and the bulged portion is formed continuously from the portion retracted rearward from the front end of the door trim 2 to the rear end of the door trim 2, and is formed at the front portion of the upper surface 4a. The door glass open / close button and door lock operation button are arranged.

  Here, in this embodiment, both the portion of the armrest 4 facing the occupant in the vehicle width direction, that is, the rear half portion of the armrest 4 and the door trim 2 positioned below the door trim 2 and reaching the lower portion of the door 1 are door trimmed together. The armrest separating portion 10 is separated from the main body portion 2a.

  At this time, as shown in FIG. 2, the armrest separating portion 10 of the present embodiment has a flat surface 10 a whose upper end portion is continuous with the upper surface 4 a of the armrest 4, and the door main body portion from the protruding end of the flat surface 10 a. 3, the door trim 2 is a vehicle interior side wall 10 b that is gently curved. Further, as shown in FIG. 6A, the rear end portion of the armrest separating portion 10 becomes a rear end wall 10c, and the front end portion is opened so as to be attached to the door trim main body portion 2a.

  And the through-hole 5 is provided in the part facing the armrest isolation | separation part 10 of the door inner panel 3b. That is, as shown in FIG. 4, the door inner panel 3 b to which the armrest separation unit 10 is attached has a position lower than the upper surface 4 a of the armrest separation unit 10 by a predetermined amount below the armrest separation unit 10. A through hole 5 having a small shape is also formed.

  The armrest separation part 10 is connected to a door 13 via a bracket 13 that is suspended from an upper end part thereof, that is, an outer side edge of the flat surface 10a along a door inner panel 3b that is a side surface of the door body part 3 in the vehicle interior. It is connected to the inner panel 3b. Further, a lower attachment portion 12 attached to the door inner panel 3b is provided at the lower portion 10e of the armrest separation portion 10.

  As shown in FIG. 6A, the bracket 13 is formed in a plate shape formed separately from the armrest separating portion 10, for example, a steel plate, and the door main body portion is formed at the end of the door inner panel 3b. The folding | returning part 13a folded back to the vehicle interior outer side of 3 door inner panels 3b is provided.

  In the present embodiment, a bent portion 13 d is formed in the bracket 13, and the bent portion 13 d is joined to the outer edge of the passenger compartment on the flat surface 10 a of the armrest separating portion 10. The folded portion 13a is engaged with the upper side 5a of the through hole 5 so as to be hooked from below. Further, as shown in FIG. 3, the bracket main body portion 13b is raised from the folded portion 13a along the door inner panel 3b to form a raised portion 13c, and the raised portion 13c and the door inner panel 3b are connected to the pin 14 as shown in FIG. It is combined with.

  In the present embodiment, as shown in FIGS. 2 and 7, the door inner panel 3b is penetrated into the interior of the door body 3, that is, the internal space between the door outer panel 3a and the door inner panel 3b. The buffer member 15 to be disposed is provided, and the vehicle interior end of the buffer member 15 is brought into contact with the outer side of the vehicle compartment below the armrest 4 of the armrest separation unit 10.

  In the portion disposed in the internal space of the door main body 3, the buffer member 15 is disposed between the outer portion 15a coupled to the door outer panel 3a and the inner portion 15b penetrating the door inner panel 3b. A predetermined gap is provided for passing the.

  Furthermore, the lower mounting portion 12 is provided with a locking portion 16 that is hooked on the door main body portion 3. As shown in FIG. 8, the locking portion 16 includes an upright portion 16a in which the tip portion of the lower portion 10e of the armrest separating portion 10 is raised along the vehicle interior side surface of the door inner panel 3b, and the tip of the upright portion 16a. And a bent portion 16b formed along the side of the vehicle interior of the door inner panel 3b. The front end of the bent portion 16b is connected to the door inner panel. The upright portion 16a and the door inner panel 3b are coupled by a pin 17 by being inserted into and locked into a locking hole 3c formed in 3b.

  According to the door trim structure of the present embodiment having the above configuration, when a side impact load is input to the door body 3 due to a side collision, the outer portion 15a of the buffer member 15 moves toward the vehicle interior together with the door outer panel 3a. The moved outer portion 15a interferes with the inner portion 15b. The outer portion 15a presses the inner portion 15b toward the interior of the vehicle, and causes the armrest separating portion 10 to exert a pressing force toward the interior of the vehicle. As described above, when a pressing force toward the vehicle interior is generated in the armrest separating portion 10, the bent portion 13d and the folded portion 13a of the bracket 13 are deformed as shown in the broken line in FIG. 3 and FIG. The armrest separation part 10 rotates around the attachment part 12 and moves downward on the flat surface 10a (the upper surface 4a of the armrest 4) located above the armrest separation part 10 by the approximate height h of the bracket body part 13b. Let

  For this reason, the height position of the protruding portion of the armrest 4 can be prevented from moving downward due to a side collision load and interfering with the abdomen of the occupant.

  In the present embodiment, the door main body 3 is provided with a through hole 5 in a portion of the door inner panel 3b facing the arm rest separating portion 10, and the inner portion 15b of the buffer member 15 that can penetrate the through hole 5 is provided as an arm rest. Since the separation portion 10 is provided, it is possible to transmit to the armrest separation portion 10 a pressing force toward the vehicle interior of the outer portion 15a of the buffer member 15 that moves with the deformation of the door outer panel 3a when a side collision load is input. . As a result, deformation of the bent portion 13d and the folded portion 13a of the bracket 13 can be promoted, and the armrest 4 can be reliably moved downward.

  Furthermore, the lower mounting portion 12 has a locking portion 16 that can be inserted from the inside of the vehicle interior of the locking hole 3c provided in the door inner panel 3b, and the front end of the bent portion 16b of the locking portion 16 is a door. Since the locking portion 16 and the locking hole 3c are locked by being inserted into the locking hole 3c formed in the inner panel 3b, even when a side collision load is input, the armrest separating portion 10 The lower part 10e is prevented from being separated from the door inner panel 3b, and the armrest separation part 10 is promoted to rotate around the lower attachment part 12. As a result, deformation of the bent portion 13d and the folded portion 13a of the bracket 13 can be promoted, and the armrest 4 can be reliably moved downward.

  (Second Embodiment) FIG. 9 is a cross-sectional view showing the mounting structure of the upper portion of the armrest separating portion according to this embodiment. In addition, the door trim structure concerning this embodiment is provided with the component similar to the door trim structure concerning the said 1st Embodiment. Therefore, the same constituent elements are denoted by common reference numerals, and redundant description is omitted.

  The door trim structure of the present embodiment basically has the same configuration as that of the first embodiment. As shown in FIG. 9, the rear part of the armrest 4 and the door trim 2 that is positioned below and reaches the lower part of the door 1. Are separated from the door trim main body portion 2a to form an armrest separating portion 10, which extends along the door inner panel 3b that forms the vehicle interior side surface of the door main body portion 3 from the outer edge of the flat surface 10a. It is connected to the door inner panel 3b through a bracket 13 that is suspended.

  In this embodiment, as in the first embodiment, the folded portion 13a is engaged with the upper side 5a of the through hole 5 so as to be hooked from below, and the bracket main body portion 13b is connected to the door inner portion from the folded portion 13a. A rising portion 13c is formed by rising along the panel 3b. However, in the present embodiment, unlike the first embodiment in which the upright portion 13c and the door inner panel 3b are coupled by a pin 14, the upright portion 13c, the door inner panel 3b and the bracket main body portion 13b are pinned. 14a. At this time, the door inner panel 3b and the bracket main body 13b are separated by a side impact load.

  According to the door trim structure of the present embodiment having the above configuration, the same effects as those of the first embodiment can be obtained, and the bracket main body 13b is normally coupled to the door inner panel 3b by the pins 14a. The support rigidity of the armrest 4 can be improved.

  (Third Embodiment) FIG. 10 is a cross-sectional view showing the mounting structure of the lower part of the armrest separating portion according to this embodiment. In addition, the door trim structure concerning this embodiment is provided with the component similar to the door trim structure concerning the said 1st Embodiment. Therefore, the same constituent elements are denoted by common reference numerals, and redundant description is omitted.

  The door trim structure of the present embodiment basically has the same configuration as that of the first embodiment. The rear half of the armrest 4 is separated from the door trim main body portion 2a to form the armrest separating portion 10 and the lower portion 10e of the armrest separating portion 10 is used. Is provided with a lower attachment portion 12 attached to the door main body portion 3.

  The lower mounting portion 12 has the lower portion 10e of the armrest separating portion 10 raised along the side of the vehicle interior of the door inner panel 3b, and the rising portion 18 is coupled to the door inner panel 3b via a pin 19.

  In the present embodiment, when the door 1 is closed, the side surface of the lower mounting portion 12 is positioned so as to face the sill portion 20 of the vehicle body floor in the vehicle width direction.

  The sill portion 20 is a vehicle body skeleton member having a closed cross-sectional structure extending in the vehicle front-rear direction on both sides in the vehicle width direction of the vehicle body floor, and is closed by joining the sill outer panel 20a and the sill inner panel 20b at the upper and lower flange portions. A cross-sectional structure is formed and covered with a kicking plate 21 from the joint portion above the outer side of the sill inner panel 20b.

  The lower mounting portion 12 is arranged on the upper portion of the sill outer panel 20a so as to face a curved surface formed along the inner surface of the lower end portion of the door 1, and the lower mounting portion 12 is connected to the door body portion 3 and the sill. It arrange | positions so that it may be pinched | interposed between the outer panels 20a.

  According to the door trim structure of the present embodiment having the above configuration, the vehicle interior side surface of the lower mounting portion 12 of the armrest separating portion 10 faces the sill portion 20 of the vehicle body floor in the vehicle width direction when the door 1 is closed. When the side impact load is input, the lower portion 10e of the armrest separating portion 10 moves toward the vehicle interior, and the lower mounting portion 12 is sandwiched between the door main body portion 3 and the sill portion 20. Therefore, the lower part 10e of the armrest separating part 10 is prevented from being separated from the door inner panel 3b, and the armrest separating part 10 is promoted to rotate around the lower mounting part 12. As a result, deformation of the bent portion 13d and the folded portion 13a of the bracket 13 can be promoted, and the armrest 4 can be reliably moved downward.

  By the way, although the door trim structure of the present invention has been described by taking the first to third embodiments as examples, the present invention is not limited to these embodiments, and various other embodiments may be adopted without departing from the gist of the present invention. For example, the lower mounting portion 12 of the armrest separating portion 10 may be coupled with a rigidity higher than that of the bent portion 13d and the folded portion 13a of the bracket 13, and the lower mounting portion 12 is fixed to the door inner panel 3b. The pins 17 and 19 can be coupled to the door body 3 using a pin having a diameter larger than that of the upper mounting portion or a pin having high rigidity.

The perspective view which looked at the door trim attached to the door concerning 1st Embodiment of this invention from the vehicle interior side. The expanded sectional view along the AA line in FIG. The expanded sectional view of the B section in FIG. The exploded perspective view of the door trim which shows the attachment state of the armrest separation part concerning a 1st embodiment of the present invention. The perspective view of the door trim which shows the state which the armrest moved downward by the input of the side collision load concerning 1st Embodiment of this invention. The perspective view which looked at the state before the side collision according to 1st Embodiment of this invention, and the state after a side collision each seen from the vehicle interior of the armrest isolation | separation part by (a), (b). Sectional drawing which shows the attachment state of the buffer member which penetrates the door inner panel concerning 1st Embodiment of this invention. The expanded sectional view of the C section in FIG. Sectional drawing which shows the attachment structure of the upper part of the armrest isolation | separation part concerning 2nd Embodiment of this invention. Sectional drawing which shows the attachment structure of the lower part of the armrest isolation | separation part concerning 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door 2 Door trim 2a Door trim main-body part 3 Door main-body part 3a Door outer panel 3b Door inner panel 4 Armrest 4a Upper surface of armrest 10 Armrest separation part 10e Lower part of armrest separation part 12 Lower attachment part 13 Bracket 13a Folding part 13b Bracket main-body part 15 Buffer Member 16 Locking part 20 Sill part

Claims (4)

A door trim structure in which an armrest for placing an arm portion of an occupant seated on a seat is provided on a door trim attached to the vehicle interior side of the door body portion so as to protrude toward the vehicle interior,
An armrest separation portion is provided that separates at least a portion of the armrest facing the occupant in the vehicle width direction and a door trim located below the facing portion from the door trim body portion;
A bracket that connects the upper part of the armrest separation part and the door main body part and is deformable in the vehicle width direction by a side collision load;
A lower attachment portion provided at a lower portion of the armrest separation portion and attached to the door body portion;
The bracket includes a bracket main body portion to which an upper portion of the armrest separation portion is coupled at an upper end,
When a side collision load is input to the door main body, the bracket main body is deformed so that the upper end rotates inward in the vehicle width direction, thereby moving the height position of the protruding portion of the armrest downward. A door trim structure characterized by suppressing interference with an occupant's abdomen.   The door body portion has a door inner panel, a through hole is provided in a portion of the door inner panel facing the armrest separation portion, and a buffer member capable of penetrating the through hole is provided in the armrest separation portion. The door trim structure according to claim 1.   The lower mounting portion has a locking portion that can be inserted into the locking hole provided in the door inner panel from the inside of the vehicle interior. By inserting the locking portion into the locking hole, the locking portion The door trim structure according to claim 1, wherein the locking hole is locked with the locking hole.   The sill portion of the vehicle body floor is positioned on the side of the lower mounting portion, and the side mounting portion and the sill portion abut when a side collision load is input to the door body portion. The door trim structure according to any one of Items 1 to 3.

Images