JP2015000638A - Vehicle interior material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle interior material that eliminates the need for using a slide mold in a molding mold such as mounting parts, can reduce a mold cost, enhances flexibility of a product shape and a mold structure, and furthermore, can reduce usage of resin materials.SOLUTION: A vehicle interior material 10 includes an interior material body 20, an arm rest 30 assembled to the interior material body 20, and a mounting screw 41 for mounting the arm rest 30 to the interior material body 20. An assembling direction (A) of the arm rest 30 is set in the direction different from a screw-in direction (B) of the mounting screw 41. The interior material body 20 has a boss section 42 screwing the mounting screw 41, and the arm rest 30 has a base section 43 fit to the boss section 42 in the assembling direction (A). The base section 43 is locked to the boss section 42 while being fitted in the boss section 42, and thereby the position in the assembling direction (A) is regulated.

Description

  The present invention relates to a vehicle interior material, and more particularly to a technique for attaching a mounting component to an interior material body.

  Conventionally, various techniques for attaching a mounting component to an interior material body provided inside a vehicle body panel have been proposed (see, for example, Patent Document 1).

  6A and 6B are diagrams for explaining the conventional technique described in Patent Document 1, wherein FIG. 6A is a longitudinal sectional view of an armrest mounting structure, and FIG. 6B is a view taken in the direction of arrow D in FIG. .

  As shown in FIG. 6A, in the armrest mounting structure 100, when the pedestal 102 is formed on the inner surface of the armrest 101 and the armrest 101 is attached to the trim body 103, first, the direction indicated by the arrow (10). The armrest 101 is assembled to the trim body 103 along the direction (hereinafter referred to as “assembly direction (10)”). Then, after the boss portion 106 on the trim body 103 side is abutted against the seat surface 105 of the pedestal portion 102, the boss portion 106 is aligned along a direction indicated by an arrow (11) (hereinafter referred to as “screwing direction (11)”). A screw 107 is screwed into the armrest 101, and the armrest 101 and the trim body 103 are fastened.

  Thus, in the mounting structure 100, the assembly direction (10) of the armrest 101 and the screwing direction (11) of the screw 107 are different from each other and are generally orthogonal. For this reason, as shown in FIG. 6B, a U-shaped notch 108 opened in the assembling direction (10) of the armrest 101 is formed in the seat surface 105, and the notch 108 and the boss 106 are fitted. By combining, the base portion 102 and the boss portion 106 are prevented from interfering with each other when the armrest 101 is assembled, and the assembling property of the armrest 101 is improved.

  On the other hand, in the joint portion between the trim main body 103 and the armrest 101, it is required to manage the gap 111 (see FIG. 6A) to an appropriate size to improve the appearance. However, if the U-shaped notch 108 is formed in the seating surface 105, the position of the seating surface 105 in the assembling direction (10) is difficult to be determined (the seating surface 105 is easily lifted). The position varies, and the dimension of the gap 111 is difficult to stabilize.

  Therefore, conventionally, the position of the armrest 101 in the assembling direction (10) is regulated by providing a regulating means 115 including a locking claw 112 and a locking hole 113 separately from the fastening structure by the screw 107. That is, the latching claw 112 is provided in the trim main body 103 and the locking hole 113 is provided in the pedestal portion 102, and the locking claw 112 is locked in the locking hole 113, so that the armrest 101 is lifted with respect to the trim main body 103. The gap 111 is controlled to an appropriate size.

JP 2009-161153 A

  However, when the armrest 101 and the trim main body 103 are molded from a resin material, the molded product becomes an undercut shape by the locking holes 113 and the locking claws 112, so it is necessary to set the slide mold as a molding mold. is there. In this case, there is a problem that the mold cost is increased and the degree of freedom of the product shape and the mold structure is lowered. Further, if the restricting means 115 is provided separately from the fastening structure by the screws 107, the amount of the resin material used is increased correspondingly, resulting in a problem that the material cost increases.

  The present invention has been made in view of such circumstances, and the object thereof is that it is not necessary to use a slide mold for a molding die such as a mounting part, the die cost can be reduced, and the product shape and the die can be reduced. An object of the present invention is to provide an interior material for a vehicle that can increase the degree of freedom of structure and reduce the amount of resin material used.

In order to achieve such an object, the present invention is grasped by the following configuration.
(1) The present invention includes an interior material body, a mounting component assembled to the interior material body, and a mounting screw for attaching the mounting component to the interior material body, and an assembly direction of the mounting component; A vehicle interior material set in a direction different from the screwing direction of the mounting screw, wherein the interior material body has a boss portion into which the mounting screw is screwed, and the mounting component is in the assembly direction. A pedestal portion that can be fitted to the boss portion, and the pedestal portion is locked to the boss portion in a state of being fitted to the boss portion, thereby restricting the position in the assembly direction. It is characterized by that.

  According to this configuration, the pedestal portion is directly locked to the boss portion. For this reason, the position of the mounting component in the assembling direction can be restricted in the fastening structure using the mounting screws. That is, it is not necessary to separately provide a restricting means having a complicated configuration as in the prior art. Therefore, it is not necessary to use a slide mold as a molding die for mounting parts and the like, so that the mold cost can be reduced and the flexibility of the product shape and the mold structure can be increased. In addition, the amount of resin material used can be reduced as compared with the conventional technique in which the regulating means is provided separately from the fastening structure.

(2) In the present invention, in the configuration of (1), the boss part has a rib projecting in a direction orthogonal to the assembly direction on the outer peripheral surface, and the pedestal part extends along the assembly direction. It has a notch engageable with the outer peripheral surface of the boss part, and a claw part latched by the rib when the notch is engaged with the outer peripheral surface of the boss part.

  According to this configuration, the position of the pedestal portion can be reliably regulated with a simple structure in which the rib is provided on the boss portion and the claw portion is provided on the pedestal portion.

(3) In the present invention, in the configuration of (1) or (2), the interior material main body is a door trim main body provided on the inner side of the door panel, and the mounting component projects to the vehicle interior side in the door trim main body. It is an armrest attached to an overhang part, It is characterized by the above-mentioned.

  According to this configuration, the mold cost of the armrest and door trim main body can be reduced, the degree of freedom of the shape of the armrest and door trim main body and the degree of mold structure can be increased, and the amount of resin material used can be reduced. A vehicle door trim can be provided.

  According to the present invention, it is not necessary to use a slide mold as a mold for mounting parts and the like, the mold cost can be reduced, the degree of freedom of the product shape and the mold structure is increased, and the resin material An interior material for a vehicle that can reduce the amount used can be provided.

It is the side view seen from the compartment side of the interior material for vehicles of the present invention. It is a disassembled perspective view of the principal part of the vehicle interior material seen from the vehicle body panel side. It is the A section enlarged view of FIG. It is the BB sectional view taken on the line of FIG. It is C arrow line view of FIG. It is a figure explaining the basic composition of the prior art, (a) is a longitudinal section of the attachment structure of an armrest, (b) is a D arrow line view of (a).

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as “embodiments”) will be described in detail with reference to the accompanying drawings. The same number is attached | subjected to the same element through the whole description of embodiment.

(Overall configuration of vehicle interior material 10)
First, the overall configuration of the vehicle interior material 10 will be described with reference to FIG.
As shown in FIG. 1, an interior material 10 for a vehicle according to an embodiment is a door trim that is provided inside a door panel (not shown) and interiors a passenger compartment, and has an interior material body (door trim body) 20 that is a base. .

  The interior material body 20 is molded into a desired curved surface shape by mold press molding or injection molding of a general-purpose thermoplastic resin such as polyethylene resin, polypropylene resin, acrylonitrile / butadiene / styrene (ABS) resin, or the like. ing. The interior material body 20 can be selected from various structures such as a vertically divided structure including a door trim upper and a door trim lower, and a vertically integrated structure.

  The interior material body 20 is provided with an inside handle escutcheon 11 for unlocking a door lock mechanism (not shown), a door pocket 12, a speaker grill 13, and the like. A protruding portion 21 that protrudes toward the passenger compartment is formed at a substantially central portion in the vertical direction of the interior material body 20. The projecting portion 21 is formed along the vehicle front-rear direction, and the armrest 30 (an example of the “mounted component” according to the present invention) is mounted on the projecting portion 21.

  As shown in FIG. 2, the armrest 30 includes an upper wall 31 on which an occupant places an elbow, and a side wall 32 that bends downward from an end of the upper wall 31 on the passenger compartment side. Armrest 30 is made of polyethylene resin, polypropylene resin, polystyrene resin, polyethylene terephthalate resin, polyvinyl alcohol resin, vinyl chloride resin, polyamide resin, polyacetal resin, polycarbonate resin, ionomer resin, acrylonitrile / butadiene. / A synthetic resin appropriately selected from styrene (ABS) resin and the like is injection-molded to form a required shape.

  On the other hand, in the interior material body 20, a flange portion 22 for attaching the armrest 30 is provided at a position corresponding to the side wall 32 of the armrest 30. The flange portion 22 is a wall extending along the vehicle longitudinal direction with a predetermined thickness. For example, when the interior material body 20 has a vertically divided structure, the flange portion 22 is formed on the upper edge portion of the lower divided body. Can do. Further, when the interior material body 20 has a vertically integrated structure, the flange portion 22 can be formed at the lower edge portion of the opening provided above the overhang portion 21.

(Configuration of fastening structure 40 of armrest 30)
Next, the fastening structure 40 of the armrest 30 will be described with reference to FIGS.
As shown in FIG. 3, the armrest 30 is assembled to the interior material body 20 along an assembly direction indicated by an arrow (A) (hereinafter referred to as “assembly direction (A)”), and It attaches to the interior material main body 20 with attachment screws 41 such as.

  The screwing direction of the mounting screw 41 indicated by the arrow (B) (hereinafter referred to as “screwing direction (B)”) is set in a direction different from the assembling direction (A). In this example, the assembly direction (A) is a substantially vertical direction, whereas the screwing direction (B) is set to a substantially horizontal direction from the interior material body 20 toward the vehicle interior, and the assembly direction (A ) And the screwing direction (B) are substantially orthogonal to each other.

  And the fastening structure 40 fastens the boss | hub part 42 provided in the interior material main body 20, and the base part 43 provided in the armrest 30 with the attachment screw 41, and two or more are provided in the vehicle front-back direction. The arrangement and the number of the fastening structures 40 are not particularly limited and can be arbitrarily set.

(Configuration of the boss portion 42)
The flange portion 22 is provided with a plurality of cutouts 23 that open upward in a U-shape, and a protruding piece 25 that protrudes upward is formed between two adjacent cutouts 23. The The boss portion 42 is provided on the back surface 22 a of the flange portion 22 at a position corresponding to the protruding piece 25. And the boss | hub part 42 is provided in the cylinder part 45 which protrudes from the back surface 22a in the direction opposite to a screwing direction (B), and the outer peripheral surface 45a of this cylinder part 45, and is plate-shaped 1st which reinforces the cylinder part 45. Ribs 46 and second ribs 47 are provided.

  The cylindrical portion 45 is formed in a cylindrical shape, and the mounting screw 41 is screwed into an inner diameter portion (for example, a female screw hole) 48. The first rib 46 is formed on the upper side of the cylindrical portion 45 from the back surface 22 a of the flange portion 22 to a midway position in the axial direction of the cylindrical portion 45. The upper end position of the first rib 46 substantially coincides with the upper end position of the protruding piece 25.

  A pair of second ribs 47 are provided on the front and rear sides of the axis of the cylinder portion 45, and project in a direction (here, the vehicle front-rear direction) orthogonal to the assembly direction (A). Each of the pair of second ribs 47 includes a rib main body 47a formed from the back surface 22a of the flange portion 22 to a midway position in the axial direction of the cylindrical portion 45, and a distal end of the cylindrical portion 45 from the distal end of the rib main body 47a. It is comprised by the extension part 47b formed to the surface 45b. The protruding height (width in the vehicle front-rear direction) of the extension 47b is set to be smaller than the protruding height of the rib main body 47a.

(Configuration of pedestal 43)
The pedestal 43 includes a pedestal main body 51 provided on the back surface 33a (see FIG. 4) of the corner 33 formed by the upper wall 31 and the side wall 32 of the armrest 30, and a pair of front and rear protruding downward from the lower portion of the pedestal main body 51. And a fitting piece 52.

  The pedestal main body 51 includes a pair of front and rear vertical walls 53 and a horizontal wall 55 that connects the lower ends of the pair of vertical walls 53. The pair of fitting pieces 52 are configured to be elastically deformable in directions away from and approaching each other. The side surface of the pedestal main body 51 and the side surfaces of the pair of fitting pieces 52 are located on the same plane to form the mounting seat surface 56. The mounting seat surface 56 coincides with the distal end surface 45b of the cylindrical portion 45 in a state where the armrest 30 is assembled to the interior material body 20, and is tightened by the seat surface 41a (see FIG. 4) of the head of the mounting screw 41. It is done.

  As shown in FIG. 4, a through hole 57 that penetrates along the assembly direction (A) is provided in the horizontal wall 55 of the pedestal main body 51. When the armrest 30 is assembled to the interior material body 20, the protruding piece 25 and the first rib 46 can be fitted into the through hole 57. Further, the lower surface of the horizontal wall 55 is provided with a protrusion 55 a that is positioned on the outer peripheral surface 45 a of the cylindrical portion 45 when the armrest 30 is assembled to the interior material body 20.

  Further, as shown in FIG. 5, the separation portion of the pair of fitting pieces 52 constitutes a U-shaped notch 58 that opens downward. When the armrest 30 is assembled to the interior material body 20, the notch 58 can be fitted into the cylinder portion 45 along the assembling direction (A). Locked to the portion 45. In this example, a pair of claw portions 58a opposed to each other are provided on the fitting piece 52 so as to protrude from the notch 58, and when the notch 58 is fitted to the tube portion 45, a pair of claw portions 58a is provided below the pair of extension portions 47b. The claw portion 58a is hooked and locked.

(Example of wearing armrest 30)
When mounting the armrest 30, first, along the assembly direction (A), the notch 58 is fitted to the cylindrical portion 45 while fitting the through hole 57 to the first rib 46, so that the armrest 30 is attached. Attach to the overhang 21. At this time, utilizing the elastic deformation of the pair of fitting pieces 52, the pair of claw portions 58a are locked under the pair of extension portions 47b. Thereby, since the base part 43 is latched by the boss | hub part 42, the position of the armrest 30 in an assembly | attachment direction (A) is controlled. More specifically, lifting of the armrest 30 in the direction opposite to the assembly direction (A) is prevented.

  Then, along the screwing direction (B), the mounting screw 41 is screwed into the inner diameter portion 48 of the cylindrical portion 45, and the seating surface 41a (see FIG. 4) of the mounting screw 41 is fixed to the mounting seat surface 56 of the pedestal portion 43 and the cylindrical portion 45. Tighten to the front end surface 45b. Thereby, the base part 43 is fastened to the boss | hub part 42 in the screwing direction (B), and mounting | wearing of the armrest 30 to the interior material main body 20 is completed.

(Effect of embodiment)
The effects of the vehicle interior material 10 described above will be described.
According to the vehicle interior material 10, the pedestal portion 43 is directly locked to the boss portion 42. For this reason, the position of the armrest 30 in the assembly direction (A) can be regulated in the fastening structure 40, and the gap 15 (see FIG. 4) of the mating portion of the armrest 30 can be managed to an appropriate size. Therefore, it is not necessary to provide a restricting means (FIG. 6, reference numeral 115) having a complicated configuration separately from the fastening structure 40 as in the prior art, and it is necessary to use a slide mold as a molding mold for the armrest 30 and the interior material body 20. Disappear. As a result, it is possible to reduce the mold cost, increase the degree of freedom of the shape of the armrest 30 and the interior material body 20 and the degree of freedom of the mold structure, and further reduce the amount of resin material used. 10 can be provided.

  In addition, the position of the pedestal portion 43 can be reliably regulated with a simple structure in which the boss portion 42 is provided with the extension portion 47b and the pedestal portion 43 is provided with the claw portion 58a.

  As mentioned above, although this invention was demonstrated using embodiment, it cannot be overemphasized that the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above-described embodiments. Further, it is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

  For example, in the embodiment, an example in which the present invention is applied to a vehicle door trim has been shown, but the present invention is applicable to various vehicle interior materials for interiors of a vehicle compartment and a cargo compartment in addition to the vehicle door trim. . Further, the “mounting part” referred to in the present invention is not particularly limited to the armrest 30, and if the assembly direction (A) and the screwing direction (B) are set in different directions, The type of “mounted part” is arbitrary.

DESCRIPTION OF SYMBOLS 10 Vehicle interior material 20 Interior material main body 21 Overhang | projection part 30 Armrest (mounting parts)
41 Mounting screw 42 Boss part 43 Base part 47 2nd rib (rib)
58 Notch 58a Claw (A) Assembly direction (B) Screwing direction

Claims (3)

An interior material body;
A mounting component assembled to the interior material body;
A mounting screw for attaching the mounting component to the interior material body;
Have
An interior material for a vehicle in which an assembly direction of the mounting component and a screwing direction of the mounting screw are set in different directions,
The interior material body is
A boss portion into which the mounting screw is screwed,
The mounting part is
A pedestal that can be fitted to the boss along the assembly direction;
The pedestal is
By being locked to the boss portion in a state fitted to the boss portion, the position in the assembly direction is regulated.
A vehicle interior material characterized by the above. The boss is
A rib projecting in a direction orthogonal to the assembly direction on the outer peripheral surface;
The pedestal is
A notch that can be fitted to the outer peripheral surface of the boss portion along the assembly direction;
A claw portion that is locked to the rib when the notch is fitted to the outer peripheral surface of the boss portion;
Having
The vehicle interior material according to claim 1. The interior material body is
A door trim body provided inside the door panel,
The mounting part is
In the door trim main body is an armrest that is attached to a protruding portion that protrudes toward the passenger compartment side,
The vehicle interior material according to claim 1 or 2, characterized in that

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