JP2010195067A - Terminal fixing structure of roof lining - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a terminal fixing structure of a roof lining surely fixed to a vehicle body in a normal time without hindering deployment of a side curtain airbag with a simple constitution. <P>SOLUTION: In this terminal fixing structure of the roof lining 13 to the vehicle body, a bracket 21 for a panel made by pressing a steel plate is fastened to a roof side rail 11 with a bolt 15 by utilizing a bracket mounting part 14 and a magnet sheet 22 is insert-molded in a base material 13a of the roof lining 13, and thereby the magnet sheet 22 is arranged on a rear face 13d of the roof lining 13 corresponding to a mounting part 21b of the bracket 21. A terminal 13e of the roof lining 13 is fixed to the roof 4 by magnetically attaching the magnet sheet 22 to the bracket 21. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a roof lining terminal fixing structure for a vehicle body, and is particularly suitable for a vehicle in which a side curtain airbag is mounted along a roof side rail.

  In recent years, in order to increase the safety of passengers, an increasing number of vehicles are equipped with an airbag device not only in front of a seated passenger but also on the side of the passenger. As an airbag that reduces the impact on the vehicle side of the occupant, a curtain airbag is folded between the roof roof and roof lining, which is composed of a roof side rail and a roof panel, and an inflator is installed when an impact is detected. There is known a side curtain airbag device that is deployed downward by generated gas.

  In a vehicle equipped with such a side curtain airbag device, it is necessary to push the roof lining up when the curtain airbag is deployed, so the roof lining is attached so that the side end portion can be easily detached from the vehicle body. There is a need. As a terminal fixing structure for such a roof lining body, for example, the present applicant has a base surface that is substantially perpendicular to the extending direction of the roof lining on the upper part of the pillar garnish attached to the center pillar, and a base surface. And two support surfaces that open in a tapered shape from both sides of the roof to the roof lining side, and the end portion of the roof lining is curved and contacted and supported by at least two support surfaces. (See Patent Document 1).

  The roof lining is sandwiched between the assist grip bracket and the assist grip attached to the roof side rail, a step is provided on the lower surface of the opening seal attached to the lower end of the roof side rail, and the side edge of the roof lining is a step portion. Patent Document 2 filed by the present applicant is a roof lining terminal fixing structure in which a vehicle outer side portion is pushed and opened by a curtain airbag rather than a roof lining assist grip. Is disclosed.

JP 2006-264572 A JP 2008-302889 A

  However, in the roof lining terminal fixing structure described in Patent Document 2, the roof lining is only in contact with the lower surface of the opening seal, and may hang down without being held. Further, when the roof lining hangs down, the terminal protrudes from the lower surface of the opening seal, and there is a possibility that the roof lining may be bent by hooking a finger or the like. On the other hand, if it is attempted to avoid sagging by increasing the rigidity of the roof lining, the deployment resistance of the side curtain airbag is increased, causing a delay in deployment, and the performance of the side curtain airbag device may be degraded.

  To solve this problem, there is a method of providing a clip fitting hole in the vehicle body near the opening seal and fixing the roofing terminal with a clip, but in vehicles equipped with side curtain airbag devices, the deployment of the airbag At times, the clip may hinder the opening of the roof lining, or even if the clip is removed from the fitting hole and the roof lining is opened, the clip may be scattered, which is not preferable for safety. In addition, the number of parts and assembly man-hours increase.

  The present invention has been made in view of such a background, and provides a roof lining terminal fixing structure that is securely fixed to a vehicle body in a normal state without obstructing the deployment of a side curtain airbag with a simple configuration. The purpose is to do.

According to a first aspect of the present invention, there is provided a roof (4) terminal fixing structure for a roof lining (13) provided on a vehicle compartment (R) side, a bracket (21) installed near an end of the roof (4), a roof Fastening means (22, 23) for removably fastening a portion corresponding to the bracket (21) of the lining (13) to the bracket (21), and roofing (13, 23) by the fastening means (22, 23). ) Terminal (13e) is fixed to the roof (4).

  According to the present invention, the end portion of the roof lining is fixed to the roof by fixing the corresponding part of the roof lining to the bracket by the fixing means, so that the roof lining can be fixed to the roof without increasing the rigidity. . In addition, since the fastening means attaches the roof lining correspondingly in a detachable manner, when the side curtain airbag is deployed, the roof lining rigidity is increased after the roof lining corresponding space is separated from the bracket. This can prevent the airbag from being hindered.

  According to a second aspect of the present invention, in the terminal fixing structure of the roof lining (13) according to the first aspect, the fastening means includes a magnet (22).

  According to the present invention, the fastening means can be easily realized by using a magnet. In this case, a magnet can be attached to both the roof lining and the bracket, or a magnet can be attached to only one and a ferromagnetic can be included in the other.

  Moreover, 3rd invention is a terminal fixing structure of the roof lining (13) based on 1st invention, A fastening means is a hook_and_loop | surface fastener (23), It is characterized by the above-mentioned.

  According to this invention, the fastening means can be realized at low cost. Further, since the hook-and-loop fastener is attached with an adhesive or the like, attachment work is also easy. Further, since the hook-and-loop fastener is lightweight, it is difficult to come off from roofing or the like. For example, even if it comes off and scatters, there is no danger.

  Moreover, 4th invention is a terminal fixing structure of roof lining (13) which concerns on 2nd invention, A bracket (21) is a ferromagnetic body and a magnet (22) is a base material of roof lining (13) ( 13a) is insert-molded.

  According to this invention, since the magnet is attached to the roof lining by insert molding, it is easy to increase the mounting strength as compared with other mounting methods, and it is prevented that the magnet is detached from the roof lining and scattered. Moreover, a bracket can be easily manufactured and attached using a steel plate or the like.

  Moreover, 5th invention is the opening seal (19) provided in the lower end vicinity of the roof side rail (11) which comprises the roof (4) in the terminal fixing structure of roof lining (13) which concerns on 1st invention. And a recess (19b) formed in the opening seal (19) and receiving the end (13e) of the roof lining (13).

  According to the present invention, the roofing terminal is covered with the recess, so that the appearance quality of the part is improved, and the roofing is prevented from being bent due to a finger or the like being caught on the terminal. Further, since the roof lining can be supported not only by the fastening means but also by the recess, it is possible to more reliably prevent the roof lining from hanging down.

  Further, a sixth aspect of the present invention is the roof lining (13) terminal fixing structure according to the first aspect, wherein the bracket (21) utilizes a bracket installation portion (14) for attaching the curtain airbag (8). It is characterized by being installed.

  According to the present invention, for example, the side curtain airbag is usually provided from the front pillar to the rear portion of the roof side rail, and the bracket is installed by using the bracket installation portion provided at an appropriate position for attaching the side curtain airbag. The dedicated bracket installation part can be omitted or the quantity thereof can be reduced.

  Moreover, 5th invention is a terminal fixing structure of roof lining (13) based on 1st invention, A bracket (21) utilizes the bracket installation part (14) for attaching an assist grip (6). It is characterized by being installed.

  According to the present invention, for example, since the bracket is installed using the bracket installation portion provided for attaching the assist grip provided on each door of the four-door vehicle, the dedicated bracket installation portion is omitted or the quantity thereof is omitted. Can be reduced.

  According to the present invention, the bracket and the fastening means are provided, and the roofing means is fastened to the bracket by the simple construction. A terminal fixing structure for roof lining that is securely fixed is provided.

Side view of an automobile according to an embodiment II-II sectional view in Drawing 1 concerning a 1st embodiment II-II sectional view in Drawing 1 concerning a 2nd embodiment

  As shown in FIG. 1, the automobile 1 according to the embodiment is a five-door hatchback, and includes a left and right front door 2 and a rear door 3. A passenger seated on a front seat and a rear seat (not shown) holds the front seat 2 and the rear door 3 at positions corresponding to the openings of the front door 2 and the rear door 3 in the vicinity of both side ends of the roof 4 constituting the vehicle body of the automobile 1 to maintain posture and ensure safety. Assist grips 5 and 6 are provided so as to be able to do so.

  In addition, the automobile 1 is equipped with side curtain airbag devices 7 that relieve the impact on the vehicle side of the occupant on both sides of the vehicle body. The side curtain airbag device 7 includes a side curtain airbag 8 disposed at both left and right ends of the roof 4 in a folded state, and an inflator 9 that generates high-pressure gas to be supplied to the side curtain airbag 8. . In the side curtain airbag device 7, when the impact sensor 10 arranged at a proper position of the vehicle body detects an impact, the inflator 9 is activated, and the side curtain airbag 8 that is deployed downward by the supply of high-pressure gas is provided between the passenger and the vehicle body side. It is arrange | positioned between parts and makes | forms an impact-absorbing wall.

<< First Embodiment >>
First, a first embodiment of the present invention will be described with reference to FIG. As shown in FIG. 2, the roof 4 includes a roof side rail 11 that is disposed at both left and right ends and extends in the front-rear direction, and a roof panel 12 that spans the upper ends of the left and right roof side rails 11. . The roof side rail 11 is configured by joining an outer panel 11a and an inner panel 11b, and has a closed cross section. A roof lining 13 attached to the roof 4 with a clip (not shown) or the like is disposed below the roof 4, that is, on the vehicle compartment R side.

  A bracket mounting portion in which a through hole 14a is provided at a position where the assist grip 6 is installed in the inner panel 11b, and a nut 14b is welded and fixed at a position aligned with the through hole 14a in the closed cross section of the roof side rail 11. 14 is provided. The assist grip 6 is connected to the roof side rail 11 by being fixed to the bracket 16 for the assist grip fastened to the bracket attaching portion 14 with a bolt 15 by a clip 17. The assist grip 6 is provided on the side of the passenger compartment R of the roof lining 13 and is rotatable about the rotation shaft 6a. The assist grip 6 is in close contact with the roof lining 13 by a torsion coil spring (not shown). 2 is always energized counterclockwise.

  An airbag bracket 18 for supporting the side curtain airbag 8 is interposed between the inner panel 11b and the assist grip bracket 16, and the airbag bracket 18 is also used for the assist grip. Like the bracket 16, it is fastened to the bracket mounting portion 14 by a bolt 15. The airbag bracket 18 is installed so as to extend downward from the bracket mounting portion 14, and the side curtain airbag 8 is held between the roof 4 and the roof lining 13 by holding the side curtain airbag 8 at the lower end thereof. It is arranged. That is, the side curtain airbag 8 is accommodated in a space formed by the roof 4 and the roof lining 13, and when the high-pressure gas is supplied from the inflator 9, the side curtain airbag 8 is pushed open to expand downward.

  The roof lining 13 is provided with a recess 13c for receiving the assist grip 6. The recess 13c is fixed to the roof 4 in such a manner that the recess 13c is sandwiched between the assist grip 6 and the assist grip bracket 16. Therefore, when the side curtain airbag 8 is deployed, only the terminal 13e on the edge side of the assist grip 6 is pushed open in the roof lining 13.

  Further, the roof lining 13 has a terminal 13e extending in the vicinity of the lower end of the roof side rail 11, and is in contact with an opening seal 19 attached to a joint flange 11f between the outer panel 11a and the inner panel 11b. Specifically, a lip 19a is formed at the lower end of the opening seal 19, and a terminal 13e of the roof lining 13 is inserted into a groove 19b (concave portion) formed by the lip 19a. That is, the roof lining 13 is covered with the lip 19a and the end face 13e is supported.

  Meanwhile, another panel bracket 21 is sandwiched between the airbag bracket 18 and the inner panel 11b via a spacer 20 so as to hang downward. The panel bracket 21 is made of a press-formed steel plate here, extends downward along the inner panel 11b, and extends along the back surface 13d of the roof lining 13 by bending from the lower end of the arm 21a. Mounting portion 21b. The panel bracket 21 is not limited to a steel plate, but may be formed from a ferromagnetic material, and at least the attachment portion 21b may include a ferromagnetic material.

  The roof lining 13 is composed of a base material 13a on the roof panel 12 side and a skin material 13b on the vehicle interior R side. And the magnet sheet 22 is attached in the aspect corresponding to the attachment part 21b of the bracket 21 for panels in the back surface 13d of the roof lining 13, ie, the base material 13a. The magnet sheet 22 is integrally formed with the base material 13a by being inserted into the mold when the base material 13a on the roof panel 12 side is molded. The terminal 13e of the roof lining 13 is fixed to the panel bracket 21 by magnetizing the magnet sheet 22 to the mounting portion 21b. That is, in this embodiment, the magnet sheet 22 and the mounting portion 21b of the panel bracket 21 constitute a fastening means.

  Thus, the terminal 13e of the roof lining 13 is fixed to the roof 4 by the magnetic attachment of the magnet sheet 22 to the panel bracket 21, so that the roof lining 13 can be securely attached to the roof 4 without increasing the rigidity of the roof lining 13. It can be fixed. When the roof lining 13 is deformed and the magnet sheet 22 is once separated from the panel bracket 21, the terminal 13 e of the roof lining 13 is easily pushed open by the side curtain airbag 8. In addition, since the magnet sheet 22 is integrally molded with high attachment strength to the base material 13a of the roof lining 13 by insert molding, the magnet sheet 22 is detached when the roof lining 13 is pushed open by the side curtain airbag 8. Scattering is also suppressed.

  Further, since the end 13e of the roof lining 13 is covered and supported by the lip 19a by being inserted into the groove 19b of the opening seal 19, the appearance quality at the end fixing portion of the roof lining 13 is improved. In addition, the terminal 13e is prevented from being bent due to a finger or the like being caught on the edge of the roof lining 13.

  Since the panel bracket 21 is mounted using the bracket mounting portion 14 for mounting the assist grip bracket 16 and the airbag bracket 18 to the roof 4, the roof is provided without providing a dedicated bracket mounting portion. 4 can be attached.

  In this embodiment, the magnet sheet 22 prepared by kneading a magnetized magnetic body (magnet) powder in a synthetic resin or the like is used as the fastening means, but the magnetic body itself may be used. As magnetized magnetic materials, various magnetic materials such as permanent magnets artificially magnetized with ferromagnetic or ferrimagnetic materials such as alnico magnets, ferrite magnets, neodymium magnets, naturally magnetized natural magnets, etc. Is available. In the present embodiment, the magnet sheet 22 is integrated with the roof lining 13 in such a manner that the magnet sheet 22 is exposed to the back surface 13d by insert molding, but may be embedded in the base material 13a. Further, a concave portion is provided in the roof lining 13 and a magnetic body is attached to the concave portion with an adhesive or the like, or a powder of the magnetic body is mixed with a paint or an adhesive and applied to the back surface 13d of the roof lining 13. May be.

<< Second Embodiment >>
Next, a second embodiment of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the same member as 1st Embodiment, and only a different point from 1st Embodiment is demonstrated. As shown in FIG. 3, a hook-and-loop fastener 23 is disposed between the attachment portion 21 b of the panel bracket 21 and a portion corresponding to the attachment portion 21 b of the roof lining 13. The hook-and-loop fastener 23 is affixed to the lower surface of the mounting portion 21b with an adhesive, and is hooked to the hook-shaped female fastener 23a. And a male fastener 23b.

  Thus, even if the hook-and-loop fastener 23 is used as the fastening means, the same effect as that of the first embodiment can be obtained. Moreover, since the hook-and-loop fastener 23 is available at a low price and is attached with an adhesive or the like, the operation is easy. In addition, since the hook-and-loop fastener 23 is lightweight, it is difficult to come off even when the side curtain airbag 8 is deployed, and even if it is detached and scattered, it is safe.

  Note that the female fastener 23a and the male fastener 23b may be disposed at opposite positions, or both may be provided with hook-like raising and loop-like raising. Further, the panel bracket 21 may be made of any material as long as it can support the roof lining 13. For example, the panel bracket 21 may be made of a looped raised material and also serves as the hook-and-loop fastener 23. Good. On the other hand, for example, the back surface 13 d of the roof lining 13 may be configured by loop-shaped raising, and the roof lining 13 itself may form the fastener 23.

  Although description of specific embodiment is finished above, the aspect of the present invention is not limited to the above embodiment. For example, in the above embodiment, the roof lining 13 has its end 13e inserted into the groove 19b of the opening seal 19, but the end 13e simply abuts against the opening seal 19 or the abutment against the roof side rail 11. It is good. Moreover, in the said embodiment, although the bracket 16 for assist grips, the bracket 18 for airbags, and the bracket 21 for panels are each comprised as a separate member, at least 2 of these may be comprised from one member. On the other hand, the panel bracket 21 is attached to the roof 4 using the bracket attachment portion 14, but other attachment portions may be used, a dedicated attachment portion may be provided, or the roof side The rail 11 itself may be configured to also serve as the panel bracket 21. In addition to these changes, changes can be made as appropriate without departing from the spirit of the present invention.

4 Roof (car body)
5,6 Assist grip 8 Side curtain airbag 11 Roof side rail 12 Roof panel 13 Roofing 13a Base material 13d Back surface 13e Terminal 14 Bracket mounting portion 16 Bracket for assist grip 18 Bracket for airbag 19 Opening seal 19a Lip 19b Groove (recess) )
21 Panel bracket 22 Magnet sheet 23 Hook fastener R Car compartment

Claims (7)

A roof lining terminal fixing structure provided on the vehicle interior side of the roof,
A bracket installed near the end of the roof;
A fastening means for detachably fastening a portion of the roof lining corresponding to the bracket to the bracket;
The roof lining terminal fixing structure, wherein the roof lining terminal is fixed to the roof by the fixing means.   The terminal fixing structure for roof lining according to claim 1, wherein the fastening means includes a magnet.   The terminal fixing structure for roof lining according to claim 1, wherein the fastening means is a hook-and-loop fastener. The bracket is ferromagnetic;
3. The roof lining terminal fixing structure according to claim 2, wherein the magnet is insert-molded on the roof lining substrate. An opening seal provided in the vicinity of the lower end of the roof side rail constituting the roof;
The roof lining terminal fixing structure according to claim 1, further comprising a recess formed in the opening seal and receiving the roof lining terminal.   The roof lining terminal fixing structure according to claim 1, wherein the bracket is installed using a bracket installation portion for attaching a curtain airbag.   The roof lining terminal fixing structure according to claim 1, wherein the bracket is installed using a bracket installation part for attaching an assist grip.

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