JP2008006906A - Interior component for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interior component provided with an arm rest and an ornament cover continuously to an interior trim body wherein fitness of the arm rest and the ornament cover to each other is well maintained and shock absorbing performance is improved. <P>SOLUTION: The arm rest 50 is fixed to a door trim body 40 with a screw, and a tongue piece 55 for fitting the arm rest 50 is engaged with the door trim body by with a pawl. The ornament cover 60 is assembled in the fitting tongue piece 55 through a fixture such as a clip 63, adjusting fitness of the ornament cover 60 to be fitted to a lower edge of the arm rest 50. With this structure, appearance of the fitting part A of the arm rest 50 and the ornament cover 60 to each other is improved, and in a side collision, the fitting tongue piece 55 rides over a receiver rib 33, and a deformation stroke is secured to improve the shock absorbing performance. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to automobile interior parts such as door trims, rear side trims, luggage side trims, etc., which are installed on the interior side of a vehicle side wall panel, and in particular, attaches an armrest and an ornament cover with a good appearance at substantially the center of the interior trim body. The present invention relates to an automotive interior part that makes it possible.

  Normally, interior parts for automobiles such as door trims, rear side trims, and luggage side trims are installed on the interior side of the side wall panel of the vehicle to enhance the aesthetics of the interior of the vehicle and to the side of the vehicle when a side collision occurs. When an impact load from the vehicle is applied, the interior part itself is bent and deformed to absorb a part of the impact load and reduce the load applied to the occupant. FIG. 7 shows a conventional door trim 1. This door trim 1 is provided with an armrest 5 on which an occupant rests by placing an elbow on the surface center portion of a door trim body 4 having a vertically divided door trim upper 2 and a door trim lower 3. In addition, an ornament cover 6 is attached along the lower edge of the armrest 5 to enhance the appearance appearance.

  A conventional structure for attaching the armrest 5 and the ornament cover 6 to the door trim body 4 will be described with reference to FIGS. First, the armrest 5 is made of a synthetic resin injection-molded body, and an armrest pad 5b for imparting cushioning properties is laminated on the surface of the armrest core material 5a that retains the product shape. It is configured to be encapsulated by an armrest skin 5c for improvement. Next, in order to attach this armrest 5 to the door trim body 4, the mounting hole 2a of the door trim upper 2 is matched with the mounting boss portion 5d formed on the armrest core 5a corresponding to the inner back edge side of the armrest 5, and the screw 5e. The armrest 5 is secured by fastening the locking claws 5f provided corresponding to the inner back edge side and the near side of the armrest core material 5a to the edge portion of the opening 3a of the door trim lower 3, respectively. The door trim body 4 is attached. Further, the ornament cover 6 which is a separate part from the armrest 5 is composed of a synthetic resin injection-molded body, and the clip 6b is attached to the clip mounting seat 6a projecting from the back surface of the ornament cover 6 toward the panel side. The ornament cover 6 is attached to the door trim main body 4 by inserting and fixing the clip 6b into the attachment hole 3b provided in the door trim lower 3. A conventional example of such armrest 5 and ornament cover 6 is described in detail in Patent Document 1.

JP 2001-253238 A

  Thus, in the conventional attachment structure of the armrest 5 and the ornament cover 6, the armrest 5 and the ornament cover 6 are individually attached to the door trim body 4. (Indicated by symbol a in FIG. 8), skies, steps, and the like are likely to occur, which is a factor that reduces the appearance of the appearance. In addition, since the inner side of the ornament cover 6 has a double structure in which the door trim lower 3 is positioned, the rigidity of this portion is high at the time of a side collision, and the repulsive force applied to the occupant is large when a load is applied. It was difficult to say that good shock absorption performance was ensured.

  The present invention has been made in view of such circumstances, and is an interior part for an automobile in which an armrest and an ornament cover are attached to the lower edge of the armrest in the approximate center of the interior trim body, and the armrest and the ornament cover It is an object of the present invention to provide an automotive interior part that does not generate a gap, a step, or the like in the mating portion, enhances the appearance of the mating portion, and has improved shock absorption performance in a side collision.

  In order to solve the above-described problems, the present invention provides an interior trim body that is attached to the interior side of a side wall panel of a vehicle, an armrest that is mounted substantially at the center of the surface of the interior trim body, and a lower edge of the armrest. In an automotive interior part composed of an ornament cover that is connected, the armrest is configured by encapsulating an armrest skin on the surface of an armrest core made of a resin molded body, and an attachment portion on the inner back side of the armrest core While fixed to the interior trim body, a mounting tongue that extends downward is provided on the front side of the armrest core, and the mounting tongue is fixedly secured to the interior trim body and along the lower edge of the armrest. Position the ornament cover while adjusting the alignment of the two, and attach the ornament cover to the armrest mounting tongue. And wherein the fixed via a fixture over.

  Here, the interior parts can be applied to door trims, rear side trims, luggage side trims of wagon cars, and the like attached to the interior side of the side wall panel of the vehicle. Furthermore, the interior trim body in the interior part may have an integrated structure, but it can also be applied to a joint type structure in which a trim upper and a trim lower having a vertically split structure are joined and fixed. The interior trim body is composed of a synthetic resin mold press molded body or injection molded body, such as a single molded product, or a resin core material that is molded into a required shape by mold press molding or injection molding. A laminated structure formed by sticking can also be used.

  Next, for the armrest and ornament cover that are attached to the surface of the interior trim body, first, the armrest is composed of an armrest core material made of a synthetic resin molded body and an armrest skin with excellent appearance design that covers the surface of the armrest core material. For example, after layering armrest pads such as urethane foam on the surface of the armrest core material, the outer surface is encapsulated with an armrest skin such as a synthetic resin sheet or a fabric sheet. It is also possible to apply a two-layer armrest in which a thick armrest skin is formed by injection molding an elastomer resin or the like as the armrest or armrest skin, and the armrest skin is covered on the surface of the armrest core material. A general-purpose thermoplastic resin injection-molded body is applied to the ornament cover provided in a connected manner along the lower edge of the armrest.

  Next, regarding the mounting structure of the armrest and the ornament cover to the interior trim body, the inner back side of the armrest core is fixed to the interior trim body by a conventional fixing means or the like. For example, a mounting boss is formed on the armrest core, and the inner trim main body is fixed to the interior trim body by tightening and fixing the boss from the back side by matching the mounting hole of the interior trim body with this mounting boss. The edge side can be fixed. On the other hand, on the front side of the armrest core member, a mounting tongue piece is formed to extend downward, and a configuration is adopted in which the mounting tongue piece is engaged with the interior trim main body. Furthermore, regarding the relationship between the armrest and the ornament cover, for example, an opening is formed in the tongue piece for mounting the armrest, a clip is attached to the clip seat formed on the back surface of the ornament cover, and this clip is placed in the opening of the mounting tongue piece. The two are joined and fixed by being engaged with each other, and at that time, the two are fixed while confirming a good alignment state so that no gap, step, or the like occurs in the alignment portion of the armrest and the ornament cover. In addition, as a claw engagement structure between the mounting tongue piece and the interior trim body, a claw is formed on one side and a receiving portion that engages with the claw is formed on the other side.

  Therefore, according to the automotive interior part according to the present invention, as a procedure for attaching the armrest and the ornament cover to the interior trim body, first, after mounting the armrest to the interior trim body, the mounting seat of the ornament cover The ornament cover is attached to the armrest by fixing the attached fastener such as a clip to the mounting tongue of the armrest. At that time, the ornament cover is attached to the armrest while adjusting so that no gaps, steps, etc. occur along the mating portions of the ornament cover and the armrest. No skies, steps, or the like are generated along the mating portion, and the appearance of the mating portion can be remarkably improved.

  Next, in a preferred embodiment of the present invention, the locking claw of the interior trim body is engaged with the front side of the mounting tongue piece extending downward from the armrest core, while the mounting tongue piece The receiving rib comes into contact with the back side, and when an external force is applied to the armrest and ornament cover in the case of a side collision, the arm rest and the tongue for mounting the armrest get over the receiving rib, thereby reducing the deformation stroke amount of the armrest and ornament cover. The feature is that many can be secured.

  According to this embodiment, when a load is applied to the side surface of the vehicle, such as in a side collision, if the occupant's body is pressed against the surface side of the armrest and the ornament cover, the mounting tongue is attached to the interior trim body. By climbing over the receiving rib, the armrest and the ornament cover are secured with a larger amount of deformation stroke when they are bent and deformed toward the side wall panel of the vehicle, so that it is possible to improve the shock absorbing performance at the time of a side collision.

  Further, in a preferred embodiment of the present invention, a slit is formed in the receiving rib formed on the interior trim body, or an opening is formed on the back side of the receiving rib, and the interior trim body is broken at the time of a side collision by the slit and the opening. It is characterized by promoting.

  And according to this embodiment, by providing a slit in the receiving rib, or by opening an opening on the back side of the receiving rib, it is possible to easily get over the receiving rib of the mounting tongue piece at the time of a side collision, and Since the rigidity is weakened by the opening and the interior trim main body is easily broken, the shock absorbing performance at the time of a side collision can be further enhanced.

  Next, in a preferred embodiment of the present invention, a lower end edge of the mounting tongue piece in the armrest is formed to extend downward, and a receiving surface extending in the horizontal direction for receiving the lower end edge of the mounting tongue piece is an interior trim. It is provided in the main body.

  According to this embodiment, the lower end edge of the mounting tongue piece extends downward, and is opposed to the receiving surface of the interior trim main body (door trim lower) in a state where it is in contact with or substantially in contact. Therefore, when a load is applied vertically downward from the upper surface to the armrest, the mounting tongue comes in contact with the receiving surface of the interior trim and receives a downward load there, so that excessive bending deformation occurs when resting on the elbow. A comfortable feeling is obtained.

  As described above, the automotive interior part according to the present invention has the mounting tongue in the armrest so that no gaps, steps or the like are generated in the joint portion between the armrest and the ornament cover after the armrest is mounted on the interior trim body. Since the ornament cover is assembled to the piece through a clip or other fixture, the armrest and ornament cover are attached to the interior trim body, so there is a gap, step, etc. at the joint between the armrest and ornament cover. However, this problem can be effectively solved and the appearance performance can be improved by improving the appearance of the armrest and the ornament cover.

  In addition, when attaching the armrest to the interior trim body, the front surface of the mounting tongue and the latching claw of the interior trim body are engaged and fixed, while the back surface of the mounting tongue is in contact with the receiving rib of the interior trim body. When the impact is applied from the outside, such as in the case of a side collision, the mounting tongue piece gets over the receiving rib, so that the amount of deformation stroke when the armrest and ornament cover are bent and deformed to the panel side is reduced. By securing a large amount, it is possible to improve the impact absorption performance at the time of a side collision.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of an automobile interior part according to the present invention will be described in detail with reference to the accompanying drawings. Note that the gist of the present invention is as described in the scope of claims, and the contents of the embodiments described below are merely examples of the present invention.

  1 to 6 show an embodiment of the present invention. FIG. 1 is an external view of a door trim showing an embodiment of an automobile interior part according to the present invention. FIGS. 2 and 3 are armrests in the door trim. FIG. 2 is a cross-sectional view, FIG. 3 is an explanatory view, FIG. 4 is an explanatory view showing impact absorbing performance at the time of a side collision in the door trim, and FIGS. 5 and 6 are related to the present invention. It is each explanatory drawing which shows the modification of the armrest attachment part in the interior component for motor vehicles.

  In FIG. 1, an automobile door trim 10 includes an armrest 50 at a substantially central portion of a surface of a door trim main body 40 formed of a vertically divided two body of a door trim upper 20 and a door trim lower 30, that is, a joint portion between the door trim upper 20 and the door trim lower 30. An ornament cover 60 is attached. The configuration of the door trim upper 20 and the door trim lower 30 constituting the door trim main body 40 is not a main part of the present invention and will be briefly described. Both the door trim upper 20 and the door trim lower 30 are made of a thermoplastic resin injection molded body and a mold press molded body, and usable resin materials include polyethylene resin, polypropylene resin, polystyrene resin, polyethylene terephthalate resin, Examples include polyvinyl alcohol resins, vinyl chloride resins, polyamide resins, polyacetal resins, polycarbonate resins, ionomer resins, acrylonitrile / butadiene / styrene (ABS) resins, and the like. In addition, a contact sheet 21 such as a fabric sheet is attached to the contact part of the door trim upper 20. If the contrast effect on the appearance is taken into consideration, one side of the door trim upper 20 and the door trim lower 30 may be composed of a laminated structure, that is, a two-layer structure in which the surface of the resin core material is integrated. Moreover, the door trim main body 40 can also be made into an integral structure instead of the upper and lower divided parts.

  Next, the structure of the armrest 50 and the ornament cover 60 and the mounting structure to the door trim main body 40 will be described. First, the armrest 50 is laminated with an armrest pad 52 such as polyurethane foam that provides cushioning properties on the surface of an armrest core 51 that retains the product shape and secures attachment rigidity to the door trim body 40, and further, the product surface is coated with a cloth. It is configured to be encapsulated by an armrest skin 53 such as a sheet or a synthetic resin sheet. The armrest core material 51 is composed of an injection-molded body using a general-purpose synthetic resin material such as polypropylene resin, ABS resin, polyamide resin, and the like, on the inner back side of the armrest 50, that is, in a portion near the side wall panel of the vehicle. The mounting boss 54 is formed on the armrest core 51, and the mounting boss 54 and the mounting hole 22 of the door trim upper 20 are combined to fasten and fix the mounting screw 54a from the back side. The side is fixed to the door trim upper 20 at a plurality of fixing points. Further, a mounting tongue piece 55 extending downward from the lower surface of the armrest core member 51 is formed in a plate shape near the front side of the armrest core member 51, and the mounting tongue piece 55 holds the ornament cover 60. The structure and the mounting structure to the door trim main body 40 are effectively utilized. Here, as shown in FIG. 1, the ornament cover 60 extends along the lower edge of the armrest 50, and a door grip 61 is integrated therewith. The ornament cover 60 is also composed of an injection-molded body using a general-purpose synthetic resin material such as polypropylene resin, ABS resin, and polyamide resin.

  Next, as an attachment structure to the door trim main body 40, first, the armrest 50 is attached to the door trim main body 40. Next, the feature is that the armrest 50 and the ornament cover 60 are attached in consideration of the alignment. In order to achieve the mounting structure described above, a rectangular opening 56 is formed in the mounting tongue 55, and a clip 63 attached to a clip seat 62 protruding from the back surface of the ornament cover 60 is inserted into the opening 56. The ornament cover 60 is assembled to the armrest 50 by fixing. At this time, the two are integrated in consideration of the alignment so that a gap, a step or the like does not occur in the alignment portion A of both. Further, as a structure for fixing the armrest 50 to the door trim lower 30, the door trim lower 30 is provided with an opening 31 for inserting the mounting tongue 55, and on the surface side of the mounting tongue 55, A locking recess 57 that engages with the locking claw 32 of the door trim lower 30 is formed, and the armrest 50 is supported by the door trim main body 40 by engaging the locking claw 32 and the locking recess 57. The mounting tongue piece 55 is in contact with and supported by the receiving rib 33 of the door trim lower 30. Accordingly, the lower portion of the mounting tongue 55 is engaged with the locking claw 32 of the door trim lower 30 from the front surface side, and the receiving rib 33 is in contact with the rear surface side. The armrest 50 is firmly attached to the door trim lower 30 by being sandwiched by the 32 and the receiving rib 33.

  Thus, according to the mounting structure of the armrest 50 and the ornament cover 60 configured as described above, after the armrest 50 is mounted on the door trim body 40, the ornament cover 60 is adjusted while adjusting the mating portion A between the armrest 50 and the ornament cover 60. Is attached to the armrest 50, so that there is no gap, step or the like in the mating portion A between the armrest 50 and the ornament cover 60, and the appearance appearance of the mating portion A can be maintained well. Therefore, the conventional problems can be solved effectively.

  Further, as described above, if a configuration is adopted in which the lower side of the mounting tongue 55 in the armrest 50 is sandwiched between the front and rear surfaces by the locking claws 32 and the receiving ribs 33, as shown in FIG. When an impact is applied from the side of the vehicle, such as in a side collision, if the occupant's body is pressed against the surface side of the armrest 50 and the ornament cover 60, the mounting tongue 55 bends in the direction of the arrow, and the receiving rib 33 is In order to get over, the armrest 50 and the ornament cover 60 can be further bent and deformed to the panel side, and the amount of deformation stroke at the time of impact can be effectively secured. Therefore, the repulsive force from the armrest 50 or the ornament cover 60 does not act excessively on the occupant, and the impact load can be effectively absorbed.

  Next, FIG. 5 shows a modification of the present invention. In this modification, a slit 33a is formed in the receiving rib 33 formed in the door trim lower 30, and a rectangular opening 34 is formed on the back side thereof. It has been established. Therefore, when an impact is applied from the side of the vehicle, such as in a side collision, the mounting tongue piece 55 is formed when the mounting tongue piece 55 gets over the receiving rib 33, so that the mounting tongue piece 55 is received by the receiving rib 33. The armrest 50 can more effectively secure the deformation stroke amount of the ornament cover 60 and can be easily broken by the opening 34, so that the shock absorbing performance can be further improved.

  Further, as shown in FIG. 6, the lower end edge 55 a of the attaching tongue piece 55 is further extended and the lower end edge 55 a of the attaching tongue piece 55 is brought into contact with the receiving surface 35 of the door trim lower 30, whereby the armrest 50. Even if a load is applied downward from the upper surface, there is no excessive bending deformation, and comfort can be improved. In the embodiment described above, a three-layer structure of the armrest core member 51, the armrest pad 52, and the armrest skin 53 is used as the configuration of the armrest 50, but the armrest core member 51 is made of a soft material such as an elastomer resin or a rubber-based material. It is also possible to employ a two-layered armrest 50 that encloses an armrest skin whose material is thickly formed by injection molding.

  In the embodiment described above, the armrest 50 and the ornament cover 60 are mounted on the door trim main body 40 composed of the upper and lower divided parts of the door trim upper 20 and the door trim lower 30, but the door trim main body 40 may be integrated, In addition to the door trim 10, it can also be applied to a rear side trim or a luggage side trim of a wagon car or the like. The armrest 50 may be a three-layer structure including an armrest core material 51, an armrest pad 52, and an armrest skin 53, and the armrest core material 51 is covered with an armrest skin 53 made of a soft resin such as an elastomer resin or a rubber-based material. A layer structure can also be adopted. Further, when the ornament cover 60 is assembled to the mounting tongue 55 of the armrest 50, the clip 63 is used. However, a configuration in which the ornament cover 60 is held on the mounting tongue 55 by using a resin claw may be adopted. it can.

1 is an external view showing an automobile door trim that is an embodiment of an automobile interior part according to the present invention. It is the II-II sectional view taken on the line in FIG. It is explanatory drawing which shows the structure which attaches the armrest in the door trim shown in FIG. 1 to a door trim main body. It is explanatory drawing which shows the shock absorption effect | action at the time of the side collision of the armrest and ornament cover shown in FIG. The modification of the interior component for motor vehicles based on this invention is shown, and it is explanatory drawing which shows the relationship between an armrest and a door trim main body. The modification of the interior component for motor vehicles based on this invention is shown, and it is explanatory drawing which shows the relationship between an armrest and a door trim main body. It is an external view which shows the conventional door trim. It is the VIII-VIII sectional view taken on the line in FIG. It is the IX-IX sectional view taken on the line in FIG.

Explanation of symbols

10 Car Door Trim 20 Door Trim Upper 30 Door Trim Lower 31 Opening (For Inserting Tongue Pieces)
32 Claw 33 Receiving rib 33a Slit 34 Opening (for breakage promotion)
35 receiving surface 40 door trim main body 50 armrest 51 armrest core material 52 armrest pad 53 armrest skin 54 mounting boss 55 mounting tongue piece 56 opening 57 locking recess 60 ornament cover 61 assist grip 62 clip seat 63 clip A mating part

Claims (4)

An interior trim body (20) attached to the interior surface side of the side wall panel of the vehicle, an armrest (50) mounted at the substantially center of the surface of the interior trim body (20), and a lower edge of the armrest (50) In an automobile interior part (10) comprising an ornament cover (60) to be connected,
The armrest (50) is configured by encapsulating an armrest skin (53) on the surface of an armrest core material (51) made of a resin molded body, and an attachment portion (54) on the inner back side of the armrest core material (51). Is attached to the interior trim body (20), and a mounting tongue (55) extending downward is provided on the front side of the armrest core (51). 20), the ornament cover (60) is positioned along the lower edge of the armrest (50) while adjusting the alignment of the two, and the ornament is attached to the mounting tongue (55) of the armrest (50). An interior part for an automobile, wherein the cover (60) is fixed via a fixture (62).   A locking claw (32) of the interior trim body (20) is engaged with a front side of a mounting tongue (55) extending downward from the armrest core (51), while a mounting tongue ( 55) comes into contact with the receiving rib (33), and when an external force is applied to the armrest (50) and the ornament cover (60) at the time of a side collision, the mounting tongue (55) of the armrest (50) The automobile interior part according to claim 1, wherein a large amount of deformation strokes of the armrest (50) and the ornament cover (60) can be secured by getting over the receiving rib (33).   A slit (33a) is formed in the receiving rib (33) formed in the interior trim body (20), or an opening (34) is formed on the back side of the receiving rib (33). The slit (33a) and the opening (34) The interior part for automobiles according to claim 1 or 2, wherein the interior trim main body (20) is promoted to break during a side collision. The lower end edge (55a) of the mounting tongue piece (55) in the armrest (50) extends downward, and the receiving surface extends horizontally to receive the lower end edge (55a) of the mounting tongue piece (55). The interior part for automobiles according to any one of claims 1 to 3, wherein (35) is provided in the interior trim body (20).

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