JP2008114775A - Interior finishing material for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interior finishing material for a vehicle capable of sufficiently securing occupants' safety without opening vehicle doors even when a collision occurs. <P>SOLUTION: A door trim for a vehicle 100 comprises: an inside handle unit 20 attached to a vehicle body panel 60; and a door trim upper 30 including a plurality of mounting bosses 35 for mounting the inside handle unit 20 from the opposite side of the vehicle body panel 60. The door trim upper 30 is arranged on the periphery of roots of receiving ribs 36, 37 which reinforce the mounting bosses 35 and are stood separately from the mounting bosses 35, and the mounting bosses 35. The door trim upper 30 includes a vulnerable part 38 comprising a plurality of holes 38A and notched parts 39 for making the mounting bosses 35 to be easily detached from the roots. Accordingly, the mounting bosses 35 of the door trim upper 30 are detached from the roots when a side-impact collision occurs. Therefore, the occupants' safety can be secured since the vehicle doors cannot be opened. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a vehicular interior material having a function of interior body panels.

  The interior of an automobile is equipped with an interior material for a vehicle constituted by laminating and integrating a resin core material having shape retention and mounting rigidity to a vehicle body panel and a skin having an excellent surface appearance. Examples of the vehicle interior material include a door trim attached to the indoor surface side of the door panel, a roof trim attached to the indoor surface side of the roof panel, and an insulator dash attached to the indoor surface side of the dash panel.

  In a conventional vehicle door trim as a vehicle interior material, an assembly part such as an inside handle unit for releasing the door lock mechanism from the indoor side by an occupant's operation is mounted on the back side of the door trim main body. This inside handle unit includes an operation handle for releasing the lock state of the door lock mechanism and a lock knob for locking and unlocking.

  The inside handle unit is fixed with screws to both the door trim main body side and the vehicle body panel side. Specifically, the operation handle of the inside handle unit is exposed to the indoor side through an opening formed in the door trim body, and is fixed to the door trim body with a screw through an attachment piece formed on the inside handle unit. And after attaching the door trim main body which attached the inside handle unit to a vehicle body panel, the inside handle unit is fixed to the vehicle body panel with the screw (for example, refer patent documents 1 and patent documents 2).

  Further, the inside handle unit is connected to a wire connected to a door lock release lever for releasing the door lock mechanism so that the door lock mechanism is released by an occupant's operation on the operation handle. The door lock release lever is configured to release the door lock mechanism by pulling the wire toward the operation handle when the operation handle of the inside handle unit is operated (see, for example, Patent Document 3).

JP 2001-347834 A Japanese Patent Application Laid-Open No. 2004-227763 Japanese Utility Model Publication No. 05-46519

  In order to show the problems of the conventional vehicle door trim described above, a description will be given with reference to FIG. FIG. 1 is an enlarged perspective view of a conventional vehicle door trim as viewed from the back side. On the back side of the door trim main body 1a of the vehicle door trim 1 shown in FIG. 1, an opening 2 is provided for exposing the inside handle unit to the indoor side. A mounting boss 4 for mounting the mounting piece of the inside handle unit with a screw is provided on the opening peripheral edge 3 of the opening 2. The mounting boss 4 is integrally formed with a plurality of ribs 5 for receiving mounting pieces formed on the inside handle unit. Since the strength of the mounting boss 4 is increased by the plurality of ribs 5, the mounting boss 4 is reinforced to prevent buckling deformation.

  However, in the conventional vehicle door trim 1 shown in FIG. 1, the plurality of ribs 5 are integrally formed and reinforced on the mounting boss 4, so that the inside handle unit becomes the door trim main body 1 </ b> A when a side collision occurs. As a result, the wire is pulled, and as a result, the door lock mechanism is released and the door of the vehicle is opened.

  This problem will be described in more detail. When a side collision occurs, the door trim main body 1A receives a strong impact from the vehicle width direction through the vehicle body panel so that the door trim main body 1A buckles to absorb the shock. It has become. At this time, when the door trim main body 1A is detached from the vehicle body panel, the inside handle unit is detached from the vehicle body panel and is moved by the door trim main body 1A along with the movement of the door trim main body 1A. This is because the inside handle unit is firmly fixed to the door trim main body 1A, and the strength of the mounting boss 4 is high with respect to the mounting piece of the inside handle unit. For this reason, when the wire connected to the inside handle unit is pulled, the release lever connected to this wire is operated, and as a result, the door lock mechanism is released by the operation of the release lever, and the vehicle door is opened. Was invited.

  Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a vehicle interior material that can sufficiently ensure the safety of an occupant without opening the vehicle door even when a collision occurs. And

  In order to solve the above-described problems, an interior material for a vehicle according to the present invention includes an interior material body that interiors a vehicle body panel, and an attachment material that is provided on the interior material body and attaches an assembly part. The mounting portion is formed integrally with the interior material body and is configured to be detached from the interior material body when a force is applied to the assembly component from a predetermined direction. . According to the present invention, when a predetermined force or more is applied from a predetermined direction to the mounting portion formed integrally with the interior material main body, the mounting portion is detached from the interior material main body, so that a side collision occurs. In this case, it is possible to prevent the assembly part from being moved by the interior material body along with the movement of the interior material body. As a result, even when a collision occurs, the vehicle door does not open, so that the safety of the passenger can be sufficiently ensured.

  The interior material body has a weakened portion formed around the mounting portion. According to this invention, since the weak part is arrange | positioned around the attachment part, the attachment part becomes easy to remove | deviate from a root. For this reason, an attaching part can be easily removed from an interior material main body.

  The fragile portion is at least one of a cut portion in which a cut is formed around the attachment portion of the interior material body, and a hole portion and a thin portion formed around the attachment portion of the interior material body. is there. According to the present invention, since the attachment portion is easily detached from the base, the attachment portion can be reliably removed from the interior material body.

  The cut portion has a shape surrounding at least a part of the attachment portion. Moreover, the said notch part is formed in multiple numbers so that the said attachment part may be enclosed. According to the present invention, since the periphery of the base of the mounting portion is broken, the mounting portion is easily detached from the base. For this reason, an attaching part can be reliably removed from an interior material main body.

  The hole has a shape surrounding at least a part of the mounting portion. Further, a plurality of the hole portions are formed so as to surround the attachment portion. According to the present invention, since the periphery of the base of the mounting portion is broken, the mounting portion is easily detached from the base. For this reason, an attaching part can be reliably removed from an interior material main body.

  The thin portion has a shape surrounding at least a part of the attachment portion. The thin portion is formed in a plurality so as to surround the attachment portion. According to the present invention, since the periphery of the base of the mounting portion is broken, the mounting portion is easily detached from the base. For this reason, an attaching part can be reliably removed from an interior material main body.

  The assembly further includes a receiving portion with which the assembly component abuts when the assembly component is assembled, and the reception portion is formed integrally with the interior material body and is erected apart from the attachment portion. . According to the present invention, since the receiving part stands upright apart from the attachment part, the strength of the attachment part can be suppressed. Thereby, when a side collision wants to occur, an attaching part comes off from a root. Further, since the attachment portion is reinforced by the receiving portion, buckling deformation of the attachment portion can be prevented.

  The receiving portion further includes a connecting portion that is formed thinner than other portions and is connected to the mounting portion. According to this invention, since a connection part connects a receiving part and an attachment part, the intensity | strength of an attachment part is set highly. For this reason, the buckling deformation of the mounting portion can be reliably prevented. Further, since the connecting portion is formed thinner than the receiving portion, the connecting portion can be easily broken when a side collision occurs. For this reason, an attaching part can be removed from an interior material main body in the state which raised reinforcement strength.

  The receiving part has a shape surrounding at least a part of the attachment part. According to the present invention, it is possible to increase the reinforcement strength of the attachment portion with respect to the assembly component.

  The receiving portion includes a first receiving portion having a first shape and a receiving portion having a second shape different from the first shape. According to the present invention, reinforcement corresponding to the layout of the mounting portion can be performed.

  The interior material body includes an opening in which the attachment part and the receiving part are disposed along a peripheral edge while exposing the assembly part to the vehicle interior side. According to the present invention, since the mounting portion and the receiving portion are arranged along the periphery of the opening, the mounting component is securely fixed by the mounting portion even when the mounting component is exposed to the vehicle compartment side.

  ADVANTAGE OF THE INVENTION According to this invention, even when a collision occurs, the interior material for vehicles which can fully ensure the safety | security of a passenger | crew without opening the door of a vehicle can be provided.

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the accompanying drawings for an interior material for a vehicle in the present invention. A vehicle door trim will be described as an example of a vehicle interior material in the present embodiment.

  A vehicle door trim 100 according to the present embodiment will be described with reference to FIGS. FIG. 2 is an overall configuration diagram of a vehicle door trim according to an embodiment of the present invention, and shows a state in which the front side of the inside handle unit is attached to the back surface of the vehicle door trim, and FIG. 3 shows the vehicle door trim shown in FIG. FIG. 4 is an enlarged perspective view when the rear side of the inside handle unit is attached to the vehicle body panel disposed on the back side, FIG. 4 is an exploded perspective view of the vehicle door trim shown in FIG. 2 with the inside handle unit removed from the back side of the door trim upper; 5 is an enlarged perspective view showing mounting bosses and receiving ribs provided on the rear surface of the door trim upper shown in FIG. 4, and FIG. 6 is an enlarged view of some mounting bosses and receiving ribs shown in FIG. FIG. 7 is an enlarged view of the other mounting boss and receiving rib shown in FIG. 5 as viewed from above, and FIG. 8 illustrates the mounting state of the inside handle unit shown in FIG. That is a cross-sectional view.

As shown in FIG. 2, the vehicle door trim 100 includes a door trim body 10 that includes a door inner panel (body panel) and forms a side wall in the vehicle interior, and an inside as an assembly part that is attached to the door trim body 10. And a handle unit 20. The vehicle door trim 100 includes a plurality of mounting bosses 35 (35 ₁ , 35 ₂ , 35 ₃ , 35 ₄ ) as mounting portions and receiving ribs 36 and 37 as receiving portions, as will be described later. .

  The door trim main body 10 is composed of a multi-colored structure including a door trim upper 30 disposed above the vehicle, a door trim lower 40 disposed below the vehicle, and a door trim center 50 disposed between the door trim upper 30 and the door trim lower 40. It is a molded product. Each joint of the door trim upper 30, the door trim lower 40, and the door trim center 50 is fixed by a fastener such as a screw or a welding device. Moreover, the door trim upper 30 and the door trim center 50 are comprised by the laminated molding of the resin base material which has shape retention property, and the skin material with the decorating function laminated | stacked and integrated on the surface side of the resin base material. . The door trim lower 40 is a resin molded body made of a resin base material having shape retention. The door trim upper 30, the door trim lower 40, and the door trim center 50 are formed by injection molding or mold press molding.

  The resin substrate is made of a general-purpose thermoplastic resin such as a polypropylene resin, a polyethylene resin, an acrylonitrile / butadiene / styrene (ABS) resin, a polyamide resin, or a polyester resin.

  The skin material is a decorative material affixed to the surface of a resin base material, such as a woven fabric, a nonwoven fabric, a knitted fabric or the like, or a polyolefin resin foam such as polyethylene foam on the back side of the fabric sheet, a polyurethane foam, etc. It is a laminated sheet material lined with a cushion layer. The skin material is a synthetic resin sheet such as a vinyl chloride sheet, a TPO (thermoplastic urethane) sheet, or a TPU (thermoplastic urethane) sheet, or a back surface of the synthetic resin sheet is lined with a cushion layer such as polyethylene foam or polyurethane foam. It may be a laminated sheet material.

  The inside handle unit 20 is for releasing the door lock mechanism from the room side by the operation of the passenger. The inside handle unit 20 includes an operation handle (not shown) for releasing the locked state of the door lock mechanism and a lock knob (not shown) for locking and unlocking, and is housed in the case 20A. The operation handle is connected to a wire (not shown) coupled to a door lock release lever (not shown) for releasing the door lock mechanism.

The case 20A of the inside handle unit 20 is fixed to both the vehicle door trim 100 side and a door inner panel 60 side described later. A fixed state of the case 20A on the vehicle door trim 100 side will be described with reference to FIGS. The case 20A of the inside handle unit 20 is disposed on the back surface of the door trim upper 30, and is disposed adjacent to the audio speaker S disposed along the waistline. A plurality of mounting seats 22 (22) attached to a plurality of mounting bosses 35 (35 ₁ , 35 ₂ , 35 ₃ , 35 ₄ ) standing on the door trim upper 30 are provided on the side of the case 20A of the inside handle unit 20. ₁ , 22 ₂ , 22 ₃ , 22 ₄ ) are formed. Among the plurality of mounting seats 22, the mounting seats 22 ₁ and 22 ₂ are arranged in the vehicle front-rear direction, and the mounting seats 22 ₃ and 22 ₄ are arranged in the vehicle lower direction. The plurality of mounting seats 22 are formed with fastening holes. It is fastened and fixed to the mounting boss 35 by a fastener 24 (for example, a screw). A fastening hole 26 is formed in the case 20 </ b> A of the inside handle unit 20. The fastening hole 26 is for attaching the door trim upper 30 to a door inner panel 60 (vehicle body panel) to be described later by a fastener or the like together with a plurality of clip mounting seats 32 provided in the door trim upper 30.

Next, a fixed state of the case 20A on the door inner panel 60 side will be described with reference to FIG. As shown in FIG. 3, the case 20 </ b> A of the inside handle unit 20 is fixed to a door inner panel 60 provided with a vehicle door trim 100. Specifically, in the case 20A of the inside handle unit 20, a fastener 28 (for example, a screw) is inserted into a fastening hole 26 of the case 20A and a mounting hole (not shown) formed in the door inner panel 60 and fixed with screws. As a result, the door inner panel 60 is fixed.

As shown in FIGS. 4 and 5, when the case 20 </ b> A and the audio speaker S of the inside handle unit 20 are removed from the door trim upper 30, a plurality of attachments as opening portions 33 and 34 and attachment portions are provided on the back surface of the door trim upper 30. The boss 35 (35 ₁ , 35 ₂ , 35 ₃ , 35 ₄ ) for use, receiving ribs 36 and 37 as receiving portions, a plurality of hole portions 38A, and a cut portion 39 are formed. These openings 33 and 34, a plurality of mounting bosses 35, receiving ribs 36 and 37, and a fragile portion 38 composed of a plurality of holes 38A and cut portions 39 are formed by an injection molding method or a modal press molding method. The molding is performed simultaneously with the molding of the door trim upper 30 in a molding die for molding the door trim main body 10.

  The plurality of mounting bosses 35 and the receiving ribs 36 and 37 are resin molded bodies formed integrally with the resin base material of the door trim upper 30. The plurality of mounting bosses 35 and the receiving ribs 36 and 37 are made of a general-purpose synthetic resin molded body. As synthetic resins that can be preferably used, polypropylene resins, polyethylene resins, acrylonitrile / butadiene / styrene (ABS) resins, It is comprised by general purpose thermoplastic resins, such as a polyamide-type resin and a polyester-type resin. In the present embodiment, polypropylene resin is used for the plurality of mounting bosses 35 and the receiving ribs 36 and 37 in consideration of environmental and recycling aspects. The plurality of mounting bosses 35 and receiving ribs 36 and 37 are appropriately filled with a filler in the thermoplastic resin, for example, inorganic fibers such as glass fiber and carbon fiber, inorganic particles such as talc, clay, silica, and calcium carbonate. The filler may be mixed.

  The openings 33 and 34 are opened in accordance with the shapes of the inside handle unit 20 and the audio speaker S. The opening 33 is for exposing the inside handle unit 20 to the indoor side via an escutcheon plate (not shown) provided on the indoor side of the door trim upper 30. The opening 34 is for arranging the audio speaker S corresponding to a speaker grill (not shown) formed in the escutcheon plate.

A plurality of mounting bosses 35 (35 ₁ , 35 ₂ , 35 ₃ , 35 ₄ ) attach the case 20A of the inside handle unit 20 to the door trim upper 30. The plurality of mounting bosses 35 (35 ₁ , 35 ₂ , 35 ₃ , 35 ₄ ) are erected in a cylindrical shape along the opening peripheral edge 33A of the opening 33. A plurality of mounting bosses 35 (35 ₁ , 35 ₂ , 35 ₃ , 35 ₄ ) are mounted on a plurality of mounting seats 22 (22 ₁ , 22 ₂ , 22 ₃ , 22 ₄ ) formed on the case 20A of the inside handle unit 20. It is formed corresponding to. The mounting bosses 35 ₁ and 35 ₂ are disposed corresponding to the mounting seats 22 ₁ and 22 ₂ , and the mounting bosses 35 ₃ and 35 ₄ are disposed corresponding to the mounting seats 22 ₃ and 22 ₄ . The plurality of mounting bosses 35 are formed with mounting holes 35A into which the fasteners 24 are inserted through the fastening holes of the plurality of mounting seats 22, respectively. The plurality of mounting bosses 35 are configured to be detached from the door trim upper 30 when force in the vehicle width direction is applied to the inside handle unit 20 by receiving ribs 36 and 37 and a fragile portion 38, which will be described in detail later. Yes.

The receiving ribs 36 and 37 reinforce the plurality of mounting bosses 35 (35 ₁ , 35 ₂ , 35 ₃ , 35 ₄ ) so that they do not buckle. The receiving ribs 36 and 37 are erected apart from the plurality of mounting bosses 35 so that the mounting bosses 35 are removed from the roots at the time of a side collision. The distance between the receiving ribs 36 and 37 and the plurality of mounting bosses 35 is set such that the mounting boss 35 is detached from the door trim upper 30 at the time of a side collision while providing a function of reinforcing the mounting boss 35. Since the receiving ribs 36 and 37 according to the present embodiment are provided apart from the mounting boss 35, the strength of the mounting boss 35 is set lower than that of the mounting boss 4 shown in FIG. . As described above, since the receiving ribs 36 and 37 and the mounting boss 35 are separated, the receiving ribs 36 and 37 can suppress the strength of the mounting boss 35 at the time of a side collision. Thus, when a side collision occurs, the mounting boss 35 is detached from the root.

As shown in FIG. 6, the receiving rib 36 has the mounting seat 22 of the case 20 </ b> A so as to reinforce the mounting bosses 35 ₁ , 35 ₃ , and 36 ₄ when the case 20 </ b> A of the inside handle unit 20 is mounted on the door trim upper 30. To receive. The receiving ribs 36, mounting bosses 35 _1, 35 _3, 36 ₄ are disposed in the vicinity of, and is formed in the coronary to surround a portion of the mounting boss 35 _1, 35 _3, 36 _4. The receiving rib 36 has a plurality of extending portions 36 </ b> A extending toward the mounting boss 35 so that the strength of the mounting boss 35 with respect to the mounting seat 22 does not become too low.

As shown in FIG. 7, the receiving rib 37 receives the mounting seat 22 of the case 20 </ _b > A so as to reinforce the mounting boss 352 when the case 20 </ _b > A of the inside handle unit 20 is mounted on the door trim upper 30. The receiving rib 37 is formed in the vicinity of the mounting boss 35 ₂ . Receiving ribs 37, in consideration of the fact that the attachment boss 35 ₂ is disposed at a position 30A of the door trim upper 30 between the opening 33 and the opening 34, constituted by a split type of rib 37B receives the receiving rib 37A Has been. The receiving rib 37A is formed in an L shape, and the receiving rib 37B is formed in a T shape. Receiving rib 37A and the receiving ribs 37B are arranged opposite each other so as to sandwich the mounting boss 35 _2.

  The fragile portion 38 is for facilitating removal of the plurality of mounting bosses 35 from the root, and includes a plurality of holes 38 </ b> A and cut portions 39 formed around the mounting boss 35. The plurality of holes 38 </ b> A are arranged around the base of the mounting boss 35. In this embodiment, the plurality of holes 38 </ b> A are arranged along a circle centered on the mounting boss 35 so as to surround the mounting boss 35.

  The cut portion 39 is formed by forming a slit-like cut around the mounting boss 35. In the present embodiment, the cut portion 39 is formed so as to surround the mounting boss 35, and is formed so as to communicate a plurality of adjacent holes 38A arranged along a circle. 6 is formed so as not to overlap a plurality of extending portions 36A extending toward the mounting boss 35. The cut portion 39 shown in FIG. 7 is formed so as not to overlap the receiving rib 37A and the receiving rib 37B.

  As described above, since the fragile portion 38 composed of the plurality of holes 38A and the cut portions 39 is formed around the mounting boss 35, the mounting boss 35 has a root periphery when a side collision occurs. Since it breaks, the plurality of mounting bosses 35 are easily detached from the roots.

Next, a state where the case 20A of the inside handle unit 20A is attached to the back surface of the door trim upper 30 will be described with reference to FIG. As shown in FIG. 8, when the fastener 24 is inserted into the mounting hole 35A of the mounting boss 35 via the mounting seat 22 formed on the case 20A of the inside handle unit 20, the receiving ribs 36 and 37 are inserted. Are configured to contact the mounting seat surface 22A of the mounting seat 22 so as to receive the mounting seat surface 22A of the mounting seat 22. Thus, the case 20A of the inside handle unit 20 is regulated in the vehicle width direction by the plurality of mounting bosses 35 (35 ₁ , 35 ₂ , 35 ₃ , 35 ₄ ) and the receiving ribs 36, 37. . For this reason, since the mounting boss 35 is reinforced by the receiving ribs 36 and 37 so as not to buckle and deform, the case 20A of the inside handle unit 20 is not easily detached from the door trim upper 30.

  Further, the receiving ribs 36 and 37 and the mounting boss 35 are provided apart from each other, and a plurality of holes 38 </ b> A and cut portions 39 that are weak portions 38 are formed around the root of the mounting boss 35. The fixing strength of the mounting boss 35 to the case 20A of the inside handle unit 20 is suppressed. For this reason, at the time of a side collision, the mounting boss 35 is detached from the root. Thus, when a side collision occurs, the mounting boss 35 of the door trim upper 30 that fixes the inside handle unit 20 is detached from the base, so that the inside handle unit 20 is detached from the door trim upper 30 and the door inner It will be in the state fixed only to the panel 60 side. For this reason, even when the door trim upper 30 is detached from the door inner panel 60 when a side collision occurs, the inside handle unit 20 is not moved by the door trim upper 30, so that the operation handle of the inside handle unit 20 is not moved. The wire connected to is not pulled. As a result, since the door lock mechanism is not released, the vehicle door does not open. Therefore, since the vehicle door does not open at the time of a side collision of the vehicle, the safety of the occupant can be sufficiently ensured.

  Next, a modified example of the door trim upper 30 will be described with reference to FIG. FIG. 9 is an enlarged view of a modification of the receiving portion according to the embodiment of the present invention as viewed from above. In addition, the same code | symbol is attached | subjected about the structure similar to the above-mentioned door trim upper 30. FIG.

As shown in FIG. 9, on the back surface of the door trim upper 30 ′, in addition to the fragile portion 38 constituted by the mounting boss 35, the receiving rib 36 ′, the plurality of hole portions 38A and the cut portions 39, a plurality of portions are further provided. Connecting portions 70 (70 ₁ , 70 ₂ , 70 ₃ ) are formed. The receiving rib 36 'is formed in a crown shape in the same manner as the receiving rib 36 (see FIG. 6) formed on the door trim upper 30 described above. Here, the plurality of extending portions 36A described above are not formed.

In FIG. 6, the mounting boss 35 and the receiving rib 36 are separated from each other to suppress the strength of the mounting boss 35. However, in some cases, the strength of the mounting boss 35 may be too low. Therefore, a plurality of connecting portions 70 (70 ₁ , 70 ₂ , 70 ₃ ) are provided in order to further strengthen the strength of the mounting boss 35.

The plurality of connecting portions 70 (70 ₁ , 70 ₂ , 70 ₃ ) are plate-shaped connecting the mounting boss 35 and the receiving rib 36 ′, and are formed between the mounting boss 35 and the receiving rib 36 ′. Yes. Since the plurality of connecting portions 70 are arranged in a circle in which the cut portions 39 are formed, the plurality of connecting portions 70 are formed in a thin shape so as to be broken when a side collision occurs. The thin connecting portion 70 is set to be thinner than the receiving rib 36 ′ so as to be surely broken.

As described above, since the plurality of connecting portions 70 (70 ₁ , 70 ₂ , 70 ₃ ) connect the mounting boss 35 and the receiving rib 36 ′, the strength of the mounting boss 35 shown in FIG. 6 is set higher than the mounting boss 35 shown in FIG. Thereby, buckling deformation of the mounting boss 35 is reliably prevented, and the case 20A of the inside handle unit 20 is not easily detached from the door trim upper 30 ′. Further, since the plurality of connecting portions 70 (70 ₁ , 70 ₂ , 70 ₃ ) are formed in a thin shape so as to be broken when a side collision occurs, the mounting boss 35 is surely detached from the root. It has become. Thereby, the same effect as described in the above-described door trim upper 30 is obtained.

  In the above embodiment, the door trim upper 30 having the opening 33 as the interior material main body has been described. However, a door trim upper without the opening 33 may be used. Further, the interior material body is not limited to the door trim upper 30 but may be the door trim lower 40 or the door trim center 50. Moreover, although the interior material body has been described with respect to the split type, an interior material body that is not a split type may be used.

  In the above-described embodiment, the vehicle door trim 100 has been described as an example of the vehicle interior material. However, the vehicle interior material is not limited to the vehicle door trim 100, and a quarter trim, a rear parcel shelf, It may be a floor trim, a trunk trim, a luggage trim, a trunk trim, a rear side trim, a pillar garnish or a roof trim.

  Furthermore, in the said embodiment, although demonstrated using the inside handle unit 20 as an assembly | attachment component, as long as it is an assembly | attachment component fixed to the interior material for vehicles, the assembly | attachment fixed to the vehicle body panel may be sufficient. It does not have to be a part. Further, although the fragile portion 38 is constituted by the plurality of holes 38A and the cut portions 39, the fragile portion may be either one of the plurality of holes 38A or the cut portions 39. In addition to the portion, a thin portion may be used, and any weak portion may be used as long as it is arranged around the base of the mounting portion so that the mounting portion can be easily detached from the base.

  Further, the example in which the receiving rib 36 surrounds a part of the mounting boss 35 has been described. However, any shape may be used as long as it is a shape separated from the mounting boss 35 such as a shape surrounding all the mounting bosses 35. Further, three or more receiving ribs may be provided for one mounting boss 35. Furthermore, although the receiving ribs 36 and 37 and the mounting boss 35 have been described as a resin molded body integrally formed on the resin base material of the door trim upper 30, the receiving ribs 36 and 37 and the mounting boss 35 may be separate from the resin base material of the door trim upper 30. It may be made of a different material other than resin. In addition, since the strength of the mounting boss 35 varies depending on the position and the peripheral shape, the mounting boss of another shape is not limited to the cylindrical shape.

  As mentioned above, although the preferable Example of this invention was explained in full detail, the interior material for vehicles which concerns on this invention is not limited to embodiment mentioned above, The range of the summary of this invention described in the claim Various modifications and changes are possible.

It is the expansion perspective view which looked at the upper part of the conventional vehicle door trim from the back surface side. BRIEF DESCRIPTION OF THE DRAWINGS It is a whole block diagram of the vehicle door trim by embodiment of this invention, and is the figure which attached the front side of the inside handle unit to the back surface of the vehicle door trim. It is an enlarged view at the time of attaching the back side of an inside handle unit to the body panel arrange | positioned at the back surface of the door trim for vehicles by embodiment of this invention. It is the disassembled perspective view which removed the inside handle unit from the door trim upper back surface of the door trim for vehicles by the embodiment of the present invention. It is an expansion perspective view which shows the attachment boss | hub and the receiving rib provided in the back surface of the door trim upper of the vehicle door trim by embodiment of this invention. It is the enlarged view which looked at the mounting boss | hub and receiving rib shown in FIG. 5 from upper direction. FIG. 6 is an enlarged view of another mounting boss and receiving rib shown in FIG. 5 as viewed from above. It is sectional drawing explaining the attachment state of the inside handle unit shown in FIG. It is the principal part enlarged view which looked at the modification of the door trim upper shown in FIG. 2 from upper direction.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Vehicle door trim 10 Door trim main body 20 Inside handle unit 20A Case 22 Plural mounting seats 24, 28 Fastener 26 Fastening hole 30 Door trim upper 32 Clip mounting seat 33, 34 Opening 33A Opening peripheral portion 35 Multiple mounting bosses 35A Mounting Hole 36, 37 Receiving rib 36A Extension part 38 Fragile part 38A Multiple holes 39 Cut part 40 Door trim lower 50 Door trim center 60 Door inner panel 70 Multiple connecting parts S Audio speaker

Claims (4)

An interior material for a vehicle comprising an interior material body that interiors a vehicle body panel, and an attachment portion that is provided on the interior material body and attaches an assembly part,
The mounting portion is formed integrally with the interior material main body, and is configured to be detached from the interior material main body when a force is applied to the assembly part from a predetermined direction. Vehicle interior materials. The vehicular interior material according to claim 1, wherein the interior material body has a weakened portion formed around the mounting portion. The fragile portion is at least one of a cut portion in which a cut is formed around the attachment portion of the interior material body, and a hole portion and a thin portion formed around the attachment portion of the interior material body. The vehicle interior material according to claim 2, wherein the vehicle interior material is provided. It further comprises a receiving part with which the assembly part abuts when the assembly part is assembled,
The vehicle according to any one of claims 1 to 3, wherein the receiving portion is formed integrally with the interior material main body and is erected apart from the mounting portion. Interior material.

Images