JP5760821B2 - Door trim - Google Patents

Description

  The present invention relates to a door trim.

  2. Description of the Related Art Conventionally, a door trim described in Patent Document 1 is known as a door trim attached to a vehicle door of an automobile or the like. This is a door trim divided into a front part and a rear part, and the functional parts of the door are collected on the front part. The molding die can be small, and the rear part can be changed. There is an advantage that the front part can be diverted for three doors and for five doors.

JP-A-9-118131

  However, in such a configuration, there has been a concern that the rigidity at the boundary between the front portion and the rear portion is reduced as compared with the case where the door trim is integrally formed. For this reason, although it is necessary to increase the rigidity of the boundary part between the front part and the rear part, it is desired to increase the rigidity of the boundary part without setting a new part for reinforcing this boundary part. Yes.

  The present invention has been completed based on the above-described circumstances, and in a door trim composed of a molded body divided into front and rear, the rigidity of the boundary portion is increased without setting a new part for reinforcing the boundary portion. For the purpose.

  The present invention is a door trim including an impact absorbing member, and includes a front trim disposed on the vehicle front side and a rear trim disposed on the vehicle rear side, and the impact absorbing member includes the front trim. And a mounting portion that is attached to the rear trim, and is provided at a position straddling the front trim and the rear trim.

  In this way, by installing the shock absorbing member, which is an existing component of the door trim, across the front and rear trims, the rigidity of the boundary can be increased without setting a new part that reinforces the boundary between the front and rear trims. Can be increased.

  It is desirable that the shock absorbing member has a front attachment portion attached to the front trim and a rear attachment portion attached to the rear trim. With such a configuration, since the shock absorbing member has the respective attachment portions attached to the front trim and the rear trim, the rigidity of the boundary portion of the door trim itself can be more effectively increased by increasing the attachment strength to each trim. Can be increased.

  It is preferable that the front trim and the rear trim have an overlapping portion that is a portion where the front trim and the rear trim are overlapped with each other, and the shock absorbing member has an overlapping attachment portion that is attached to be overlapped with the overlapping portion.

  In door trims that have overlapping parts in which the front and rear trims are superimposed on each other, not only the shock absorbing member is mounted across the two members, but also by overlapping the overlapping part, Stiffness can be increased. That is, the overlapping portion of the front trim and the rear trim, that is, the impact absorbing member is superimposed on the boundary portion, and the overlapping mounting portion is one of the mounting portions for each trim of the shock absorbing member on the overlapping portion (boundary portion). If provided, the attachment strength of the shock absorbing member to the boundary portion can be increased, and the rigidity of the boundary portion can be further improved.

  According to the present invention, the rigidity of the boundary portion can be increased without setting a new part that reinforces the boundary portion in the door trim including the molded body divided in the front and rear direction.

The top view which looked at the door trim which concerns on one Embodiment of this invention from the vehicle interior side Main part exploded perspective view of door trim A plan view of the front trim and rear trim constituting the door trim as viewed from the outside of the passenger compartment The perspective view which looked at the state where the rear trim was assembled to the front trim from the outside of the passenger compartment A plan view of the door trim viewed from the outside of the passenger compartment AA sectional view of FIG. BB sectional view of FIG. CC sectional view of FIG. DD sectional view of FIG. EE sectional view of FIG. FF sectional view of FIG.

<Embodiment>
An embodiment of the present invention will be described with reference to FIGS.
A door trim 10 according to the present embodiment is a vehicle interior material that is attached to a vehicle interior side of a door inner panel (corresponding to a vehicle body) (not shown) to constitute a vehicle door, and has a handle at a substantially central portion in the vehicle longitudinal direction. The door grip 20 is provided. Hereinafter, the left-right direction in FIG. 1 will be described as the (vehicle) front-rear direction, and the front side of the page from the front side of the page as the vehicle width direction (the vehicle interior / exterior direction).

  The door trim 10 is roughly divided into three members: a front trim 30, a rear trim 40, and an ornament 50. These base materials are made of synthetic resin material such as polypropylene or woody material such as kenaf as a synthetic resin material. It is formed of a material mixed with the above. As shown in FIG. 1, the door trim 10 made of such a base material includes an armrest 11 projecting toward the vehicle interior side in the vehicle front-rear direction, and a switch panel mounting portion 12 </ b> A (see FIG. 2) having an opening formed in the front thereof ) In which the switch panel 12 is fitted. Above the switch panel 12 is provided an inside handle attachment portion 13 for attaching an inside handle, and below the speaker panel 14, a door pocket portion 15 constituting a vehicle interior side of the door pocket, and the like are provided. It has been.

  In the door trim 10, a dividing line 16 (corresponding to a boundary portion) generated on the vehicle interior side by assembling the front trim 30 and the rear trim 40 extends from a substantially middle portion in the vehicle front-rear direction in the upper portion to the vehicle front-rear direction in the lower portion. It has a substantially linear shape extending in an inclined manner toward the rear part. Although not shown in the drawings, the colors of the base material of the front trim 30 and the rear trim 40 are different so that the color of the door trim 10 is different between the front and rear with the dividing line 16 as a boundary.

  Along the dividing line 16, a door grip 20 is provided integrally with the front trim 30 and the rear trim 40 at the upper part of the door trim 10 so as to straddle the substantially middle part of the armrest 11 in the vehicle front-rear direction. The door grip 20 includes a grip base 21 and a grip cover 24 that is attached to the vehicle interior side of the grip base 21. An ornament 50 is attached above the armrest 11 on the vehicle rear side so as to cover the outside of the passenger compartment of the door grip 20. The interior of the ornament 50 is covered with a skin material 60, and the material is appropriately selected from (synthetic) resin, (synthetic) leather, fiber, and the like.

Next, individual component parts will be described.
First, as shown in FIG. 2, the front trim 30 constitutes the vehicle front side of the door trim 10, and its rear end portion is an attachment portion 31. The mounting portion 31 corresponds to a mounted portion 43 of the rear trim 40 described later, and corresponds to a portion to be mounted in a state where the mounted portion 43 is overlapped (superposed) in the vehicle width direction. Here, the overlapping portion of the present invention includes the attachment portion 31 and the attached portion 43.

  More specifically, the mounting portion 31 is provided with a plurality of cylindrical fastening portions 32 protruding from the side surface outside the passenger compartment, and is provided with fastening means such as a flat plate-like engagement claw 33. Of the mounting portion 31, a portion above the armrest 11 is a first divided portion 22 that extends in a band shape, and constitutes the vehicle interior side of the door grip base 21 of the door grip 20. The 1st division part 22 constitutes a pair of halves with the 2nd division part 23 provided in rear trim 40 mentioned below, and forms hollow door grip base 21 by uniting together. An opening 34 is provided on the vehicle front side of the first divided portion 22 so that the first divided portion 22 provided integrally with the front trim 30 has a handle shape. A front-side ornament fastening portion 35 and an ornamental engagement claw 36 having the same configuration as the fastening portion 32 and the engagement claw 33 are provided on the opening edge of the opening portion 34 on the vehicle front side.

  On the other hand, the rear trim 40 constitutes the vehicle rear side of the door trim 10, and an upper portion thereof is provided with a mounting opening 41 to which the ornament 50 can be mounted from the outside of the passenger compartment. A plurality of cylindrical rear-side ornament fastening portions 42 project from the opening edge portion of the attachment opening 41 along the peripheral edge thereof.

  The front end portion of the rear trim 40 is an attached portion 43 that is attached so as to overlap the attachment portion 31 of the front trim 30. In the attached portion 43, an insertion hole 44 and an engaged hole 45 are provided at positions corresponding to the fastening portion 32 and the engaging claw 33 of the attaching portion 31. In such a mounted portion 43, a band-shaped second divided portion 23 is provided on the side of the mounting opening 41, and constitutes the vehicle compartment outside of the grip base 21 of the door grip 20. .

  FIG. 4 shows a state where the rear trim 40 is attached to the front trim 30. Although the mounting structure around the door grip 20 will be described later in detail, the fastening portion 32 of the front trim 30 is inserted into the insertion hole 44 of the rear trim 40 and the engaging claw 33 is engaged with the engaged hole 45. The mounting portion 31 and the mounted portion 43 are overlapped. After the fastening portion 32 is inserted through the insertion hole 44, the attachment portion 43 of the rear trim 40 is fixed to the attachment portion 31 of the front trim 30 by welding the tip end portion of the fastening portion 32 by welding means such as ultrasonic welding. can do.

  As shown in FIGS. 4 and 5, the shock absorbing member 17 and the pocket base material 18 are attached to the outer side surfaces of the front trim 30 and the rear trim 40 fixed to each other as described above. The pocket base material 18 is made of the same synthetic resin material as the trims 30 and 40 and is attached so as to cover the door pocket portion 15 from the outside of the passenger compartment, thereby forming a door pocket that opens to the inner side of the passenger compartment. .

  As shown in FIG. 2, the ornament 50 includes a plate-shaped main body 51, and a plurality of ornament insertion holes 52 and ornament engagement holes 53 formed on a flange extending outward from the periphery of the main body 51. Prepare. Among these, the ornament insertion hole 52 located in the base 20B of the door grip 20 described later is a first overlapping insertion hole 52A. The ornament 50 is attached to the outer sides of the front trim 30 and the rear trim 40 in a state where the vehicle interior side of the main body 51 is covered with the skin material 60 (see FIG. 5). Specifically, with respect to the front trim 30, the front side ornament fastening portion 35 is inserted into the corresponding ornament insertion hole 52, and the ornament engagement claw 36 is engaged with the ornament engagement hole 53. For the rear trim 40, the rear-side ornament fastening portion 42 is inserted through the corresponding ornament insertion hole 52. Further, as will be described in detail later, the overlapping fastening portion 25 protruding from the first dividing portion 22 is inserted into the second overlapping insertion hole 26 of the second dividing portion 23, and is provided in the ornament 50 from above. The first overlapping insertion hole 52A is inserted.

  After the respective ornamental fastening portions 35, 42 and the overlapping fastening portion 25 are inserted into the corresponding ornament insertion holes 52 and the first overlapping insertion holes 52A, similarly to the above-described fastening portion 32, the ornament fastening portions 35, 42 and the overlapped fastening portions 25 are welded by welding means such as ultrasonic welding. By welding the tip, the ornament 50 can be fixed to the front trim 30 and the rear trim 40. The end of the skin material 60 is held by being sandwiched between the ornament 50 and the front trim 30 and the rear trim 40 to which the ornament 50 is attached.

  Thus, the ornament 50 attached to each trim 30, 40 is located outside the passenger compartment of the door grip 20. That is, the ornament 50 covers the opening 34 of the front trim 30 from the outside of the passenger compartment, and constitutes a facing surface of the door grip 30 on the outer side of the passenger compartment. Furthermore, the design surface of the door trim 10 is comprised with the skin material 60 which covers the vehicle interior side of the ornament 50 by attaching to the attachment opening 41 of the rear trim 40 continuously. The main body 51 of the ornament 50 has a step protruding to the vehicle interior side, and the upper surface (vehicle ceiling side) of the step is used as an armrest surface 54 of the armrest 11 and is used as an armrest for a passenger.

  Next, the configuration of the door grip 20 and the surrounding mounting structure will be described in detail mainly with reference to FIGS. As shown in FIG. 6, the door grip 20 is divided into two parts: a grip part 20 </ b> A that can be gripped by the occupant from the vehicle interior side, and a base part 20 </ b> B that is located at both ends of the door grip 20 and constitutes the base part of the door grip 20. In the base portion 20B, the first divided portion 22 is provided with a cylindrical upper mounting boss 22A and a lower mounting boss 22B that project slightly toward the outside of the passenger compartment. Screw holes 22C and 22D through which the screws 70 can be inserted are formed through the tip portions of the mounting bosses 22A and 22B. A plurality of cylindrical overlapping fastening portions 25 having the same configuration as that of the fastening portion 32 are provided on the periphery of each of the mounting bosses 22A and 22B.

  On the other hand, a circular upper through hole 23A through which the upper mounting boss 22A can be inserted and a circular lower through hole 23B through which the lower mounting boss 22B can be inserted correspond to the second divided portion 23, respectively. Is provided. A plurality of second overlapping insertion holes 26 through which the overlapping fastening portions 25 can be inserted are provided at positions corresponding to the overlapping fastening portions 25 at the periphery of the through holes 23A and 23B.

  The 1st division part 22 and the 2nd division part 23 insert each attachment boss 22A and 22B in each penetration hole 23A and 23B, and let each superposition fastening part 25 penetrate the corresponding 2nd superposition insertion hole 26. Can be superimposed on each other (see FIGS. 4 to 6). Then, as shown in FIG. 8, the screw provided in the second divided portion 23 after inserting the bolt 71 through the bolt insertion hole 22 </ b> E of the first divided portion 22 at the substantially central portion in the longitudinal direction of the gripping portion 20 </ b> A. By screwing into the hole 23C, the first divided portion 22 and the second divided portion 23 are bolted. Here, as shown in FIGS. 7 and 8, the boundary (divided) portion between the first divided portion 22 and the second divided portion 23 constituting the grip base 21 is the vehicle front side that is difficult to see from the vehicle interior side. Since it is located in the side part of the back side, it can be made to look good.

  In addition, in the base portion 20B of the door grip 20, as shown in FIG. 9, after the overlapping fastening portion 25 inserted through the second overlapping insertion hole 26 is further inserted into the first overlapping insertion hole 52A of the ornament 50, By welding the front end portion of the polymerization fastening portion 25 by welding means such as ultrasonic welding, the front trim 30, the rear trim 40, and the ornament 50 can be fixed in an overlapped state. Thus, in the base portion 20B of the door grip 20, the rigidity of the base portion 20B can be increased by fastening the front trim 30, the rear trim 40, and the ornament 50 together at a plurality of locations.

  A grip cover 24 is attached to the inside of the grip base 21 as shown in FIG. More specifically, as shown in FIG. 2, a cover mounting portion 38 having a concave shape on the vehicle interior side is provided on the side surface of the interior of the front trim 30 from the first divided portion 22 to the upper portion. The grip cover 24 is fitted into the cover mounting portion 38, and a plurality of fixing claws 24 </ b> A are projected from the vehicle exterior side opposite to the design surface (vehicle interior side) of the grip cover 24. . On the other hand, a hole-shaped fixed portion 38A is formed in the cover mounting portion 38 at a position corresponding to the fixed claw 24A. The fixed claw 24A is locked to the hole edge, and so on. The cover 24 is held in a state of being mounted on the cover mounting portion 38.

  Thus, the door grip 20 assembled at the boundary between the front trim 30 and the rear trim 40 is fixed to a door inner panel (not shown). That is, as shown in FIG. 6, it is fixed to the mounting hole 72 of the door inner panel by tightening the screws 70 inserted through the screw holes 22C and 22D of the mounting bosses 22A and 22B. Thus, since the base 20B of the door grip 20 is fixed to the door inner panel, a predetermined mounting strength can be secured even with the door grip 20 integrally formed with the front trim 30 and the rear trim 40. it can.

Next, the impact absorbing member 17 will be described in detail.
The impact absorbing member 17 of the present embodiment is composed of an EA (Energy Absorption) pad and is formed by molding a rigid polyurethane foam into a block shape. The impact absorbing member 17 absorbs an impact at the time of a side collision, thereby reducing an impact applied to an occupant seated on the vehicle interior side of the door trim 10. As an aspect thereof, as shown in FIG. 5, a substantially rectangular block shape that is long in the vehicle front-rear direction is formed, and is mounted from the outside of the passenger compartment below the ornament 50 so as to straddle the front trim 30 and the rear trim 40. .

  The front trim 30 and the rear trim 40 are provided with a plurality of fastening portions 37, 39, and 46 for attaching the shock absorbing member 17 in the vehicle front-rear direction. To describe individually, first, the front trim 30 is provided with one front impact absorbing member fastening portion 37 that protrudes in a cylindrical shape from the side surface outside the passenger compartment. Further, a single overlapping fastening portion 39 that also has a cylindrical shape protrudes from the attachment portion 31 of the front trim 30. In the attached portion 43 of the rear trim 40, a superimposed insertion hole 47 is provided at a position corresponding to the superimposed fastening portion 39, and in the state where the rear trim 40 is attached to the front trim 30, the superimposed fastening portion 39 is overlapped through hole. 47 is inserted. Subsequently, the rear trim 40 is provided with three cylindrical rear side impact absorbing member fastening portions 46 that project from each other.

  On the other hand, the shock absorbing member 17 is provided with a plurality of through holes through which these fastening portions 37, 39, 46 can be inserted in the vehicle width direction. More specifically, the front portion of the shock absorbing member 17 is provided with a hole-shaped front mounting portion 17A through which the front shock absorbing member fastening portion 37 can be inserted. In the middle, there is provided a hole-shaped overlapping attachment portion 17B through which the overlapping fastening portion 39 inserted through the overlapping insertion hole 47 can be further inserted. Then, rear mounting portions 17C through which the rear shock absorbing member fastening portions 46 can be inserted are provided at corresponding positions on the rear portion of the shock absorbing member 17, respectively.

  The shock absorbing member 17 has the front mounting member 17A inserted through the front shock absorbing member fastening portion 37, the overlapping mounting portion 17B inserted through the overlapping fastening portion 39 inserted through the overlapping insertion hole 27, and the rear shock absorbing member fastening portion 46. The rear side mounting portion 17C is inserted through. Thus, after inserting each fastening part 37, 39, 46 into each attachment part 17A, 17B, 17C, the front-end | tip part of this fastening part 37, 39, 46 is welded by welding means, such as ultrasonic welding. Thereby, the shock absorbing member 17 is fixed to the trims 30 and 40 (see FIGS. 10 and 11).

  As described above, according to the present embodiment, since the shock absorbing member 17 is attached at a position straddling the front trim 30 and the rear trim 40, the shock absorbing member 17 that reduces the impact of a side impact on the occupant. In addition to the original function, the rigidity of the boundary between the front trim 30 and the rear trim 40 can be increased. In addition, since the shock absorbing member 17 is an existing component of the door trim 10, the object of increasing the rigidity of the boundary portion without setting a new component that reinforces the boundary portion of the front trim 30 and the rear trim 40 is achieved. Can do.

  Further, since the shock absorbing member 17 has a front side mounting portion 17A attached to the front trim 30 and a rear side mounting portion 17C attached to the rear trim 40, the mounting strength for the trims 30 and 40 can be increased. Thus, the rigidity of the boundary portion of the door trim 10 can be increased more effectively.

  In addition, the shock absorbing member 17 is attached to the overlapping portion including the attaching portion 31 and the attached portion 43 where the front trim 30 and the rear trim 40 are overlapped with each other, and the overlapping attaching portion is provided on the overlapping portion. 17B is provided and fixed. As described above, the shock absorbing member 17 is not simply mounted across the front trim 30 and the rear trim 40, but is also provided with the overlapping fastening portion 39 provided on the overlapping portion, the overlapping insertion hole 47 inserted therethrough, and the overlapping mounting portion 17B. Thus, by fixing the three members in an overlapped state, it is possible to increase the mounting strength of the shock absorbing member with respect to the overlapped portion and to increase the rigidity of the overlapped portion, that is, the boundary portion.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.

  (1) In the above-described embodiment, the EA pad is exemplified as the shock absorbing member 17, but is not limited thereto, and may be a side impact resin shock absorber such as polypropylene resin.

  (2) In the above-described embodiment, one shock absorbing member 17 is attached below the ornament 50 across the front trim 30 and the rear trim 40. However, the present invention is not limited to this, and at least one shock absorbing member is the front. The installation position and the number in the vertical direction are not limited as long as it is installed across the trim 30 and the rear trim 40.

  (3) In the above-described embodiment, the shock absorbing member 17 inserts the fastening portions 37, 39, and 46 provided on the trims 30 and 40 into the through-hole-like mounting portions 17A, 17B, and 17C. Although fixed by ultrasonic welding, the invention is not limited to this, and the shock absorbing member may be fixed across the front trim and the rear trim by other welding means and various fixing means such as bolt fastening.

DESCRIPTION OF SYMBOLS 10 ... Door trim, 17 ... Shock absorption member, 17A ... Front side attachment part, 17B ... Overlapping attachment part, 17C ... Rear side attachment part, 20 ... Door grip, 30 ... Front trim, 31 ... Attachment part, 32 ... Fastening part, 37 ... front side shock absorbing member fastening part, 39 ... superposed fastening part, 40 ... rear trim, 43 ... attached part, 46 ... rear side shock absorbing member fastening part, 47 ... superposed insertion hole, 50 ... ornament

Claims (1)

A door trim having a shock absorbing member,
A front trim disposed on the vehicle front side, and a rear trim disposed on the vehicle rear side,
The shock absorbing member has a mounting portion attached to the front trim and the rear trim, and is provided at a position straddling the front trim and the rear trim ,
The front trim and the rear trim have an overlapping part that is an overlapping part;
The impact absorbing member is superimposed on the overlapping part and attached to the overlapping part, the front attaching part is located on the vehicle front side of the overlapping attaching part and attached to the front trim, and the overlapping attaching part. A rear mounting portion that is located on the vehicle rear side and is attached to the rear trim;
The said rear side attachment part is located in the rear-end part of the said rear trim, and is attached at many points rather than the said front side attachment part, The door trim characterized by the above-mentioned .

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