JP2005297679A - Interior trim structure of automobile - Google Patents

Interior trim structure of automobile Download PDF

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Publication number
JP2005297679A
JP2005297679A JP2004114333A JP2004114333A JP2005297679A JP 2005297679 A JP2005297679 A JP 2005297679A JP 2004114333 A JP2004114333 A JP 2004114333A JP 2004114333 A JP2004114333 A JP 2004114333A JP 2005297679 A JP2005297679 A JP 2005297679A
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adhesive
bracket
hot melt
interior
curing speed
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Japanese (ja)
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Yoshiyuki Shimizu
祥之 清水
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Kasai Kogyo Co Ltd
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Kasai Kogyo Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an interior trim structure of an automobile capable of reducing manufacturing cost without generating a displacement of a bracket. <P>SOLUTION: In the interior trim structure, the bracket 3 is fixed to an interior trim member made of synthetic resin with an adhesive material 8, and the interior trim member can be supported to the vehicle body by engaging a clip supported on the bracket 3 with the vehicle body. As for the adhesive material 8, a first adhesive material 8a having low curing speed and high adhesion strength and a second adhesive material 8b having fast curing speed and low heat-resistant temperature are disposed at different places of the bracket 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、自動車の内装構造に関する。   The present invention relates to an automobile interior structure.

自動車の内装構造、例えば天井構造としては、ＰＰ、ＰＰＯ、ポリウレタン系の合成樹脂製の内装部材の上面部に、ポリウレタン系ホットメルトよりなる接着剤をブラケットの全面に塗布して固定してなると共に該ブラケットに支持したクリップを車体に係合させることで、前記車体に内装部材を支持している(例えば、特許文献１。）。ポリウレタン系ホットメルトよりなる接着剤は、接着力が強く、全部で４個のブラケットの１個あたりの荷重１０キログラムに充分耐え得る。しかも、かかる接着剤は、耐熱性能が摂氏１２０度から１５０度と高く、夏場など車体が高温になっても、充分耐え得ることになる。
特開平１１−１７０９２４号公報 As an automobile interior structure, for example, a ceiling structure, an adhesive made of polyurethane hot melt is applied and fixed to the upper surface of an interior member made of a synthetic resin of PP, PPO, polyurethane, and the like. An interior member is supported on the vehicle body by engaging a clip supported by the bracket with the vehicle body (for example, Patent Document 1). The adhesive made of polyurethane hot melt has a strong adhesive force and can sufficiently withstand a load of 10 kilograms per four brackets in total. Moreover, such an adhesive has a high heat resistance performance of 120 to 150 degrees Celsius, and can sufficiently withstand even when the vehicle body becomes hot, such as in summer.
JP-A-11-170924

しかしながら、ポリウレタン系ホットメルトよりなる接着剤は、塗布後の硬化する速度が４８〜７２時間と遅く、硬化するまでの間にブラケットの位置がずれたり、外れたりするおそれがある。また、ポリウレタン系ホットメルトよりなる接着剤は、原価が著しく高く、製造原価高騰の一原因になる。   However, an adhesive made of a polyurethane hot melt has a slow curing speed of 48 to 72 hours after application, and there is a risk that the position of the bracket may shift or come off before it is cured. In addition, an adhesive made of polyurethane-based hot melt has a remarkably high cost and causes a rise in manufacturing cost.

本発明は、このような従来の技術に着目してなされたものであり、ブラケットの位置ずれが生ぜず、製造原価が低減できる自動車の内装構造を提供するものである。   The present invention has been made paying attention to such a conventional technique, and provides an interior structure of an automobile in which the bracket is not displaced and the manufacturing cost can be reduced.

請求項１に記載の発明は、合成樹脂製の内装部材に接着剤によりブラケットを固定してなると共に該ブラケットに支持したクリップを車体に係合させることで、前記車体に内装部材を支持可能なる内装構造において、前記接着剤は、硬化速度が遅く且つ接着強度が高い第１接着剤と、硬化速度が早く且つ耐熱温度が低い第２接着剤とをブラケットの異なる場所に配してなることを特徴とする。   According to the first aspect of the present invention, the bracket is fixed to the interior member made of synthetic resin with an adhesive, and the clip supported on the bracket is engaged with the vehicle body, so that the interior member can be supported on the vehicle body. In the interior structure, the adhesive is formed by arranging a first adhesive having a slow curing speed and a high adhesive strength and a second adhesive having a fast curing speed and a low heat-resistant temperature at different locations of the bracket. Features.

請求項２に記載の発明は、請求項１に記載の自動車の内装構造であって、前記第１接着剤は、ポリウレタン系ホットメルトよりなり、前記第２接着剤は、ポリアミド系ホットメルトよりなることを特徴とする。   The invention according to claim 2 is the interior structure of the automobile according to claim 1, wherein the first adhesive is made of polyurethane hot melt, and the second adhesive is made of polyamide hot melt. It is characterized by that.

請求項３に記載の発明は、請求項１に記載の自動車の内装構造であって、前記第１接着剤は、ポリウレタン系ホットメルトよりなり、前記第２接着剤は、前記内装部材がＰＰ、ＰＰＯ、ポリウレタンの何れかの樹脂であり且つ前記ブラケットがＰＰ、ＰＰＯの何れかの樹脂であるとき、オレフィン系、ポリエステル系、ポリアミド系の何れかのホットメルトであることを特徴とする。   The invention according to claim 3 is the interior structure of the automobile according to claim 1, wherein the first adhesive is made of polyurethane hot melt, and the second adhesive is made of PP, When the resin is any one of PPO and polyurethane and the bracket is any resin of PP and PPO, the hot-melt is any of olefin, polyester and polyamide.

請求項１に記載の発明によれば、接着剤は、硬化速度が遅く且つ接着強度が高い第１接着剤と、硬化速度が早く且つ耐熱温度が低い第２接着剤とをブラケットの異なる場所に配してなるため、接着剤の硬化速度が早く、ブラケットの位置ずれが生じない。また、原価の高価な第１接着剤の量が少なく、安価な第２接着剤を用いているため、製造原価が低減できる。   According to the first aspect of the present invention, the adhesive includes a first adhesive having a slow curing speed and a high adhesive strength, and a second adhesive having a fast curing speed and a low heat-resistant temperature at different locations on the bracket. Therefore, the curing speed of the adhesive is high, and the bracket is not displaced. Moreover, since the amount of the expensive first adhesive is small and the inexpensive second adhesive is used, the manufacturing cost can be reduced.

請求項２に記載の発明によれば、前記第１接着剤は、ポリウレタン系ホットメルトよりなり、前記第２接着剤は、ポリアミド系ホットメルトよりなるため、ポリアミド系ホットメルトにより硬化速度が速く、しかも初期の接着強度が高いので、ブラケットの位置ずれが生じない。また、硬化速度が遅いものの接着力が強いポリウレタン系ホットメルトによりブラケットは脱落しない十分な強度を保つことができる。   According to the second aspect of the present invention, the first adhesive is made of a polyurethane hot melt, and the second adhesive is made of a polyamide hot melt. Moreover, since the initial adhesive strength is high, the bracket is not displaced. In addition, the bracket can be maintained at a sufficient strength so that it does not fall off due to the polyurethane hot melt having a low adhesive rate but a strong adhesive force.

請求項３に記載の発明によれば、前記第１接着剤は、ポリウレタン系ホットメルトよりなり、前記第２接着剤は、前記内装部材がＰＰ、ＰＰＯ、ポリウレタンの何れかの樹脂であり且つ前記ブラケットがＰＰ、ＰＰＯの何れかの樹脂であるとき、オレフィン系、ポリエステル系、ポリアミド系の何れかのホットメルトであるため、オレフィン系、ポリエステル系、ポリアミド系の何れかのホットメルトにより硬化速度が速く、しかも初期の接着強度が高いので、ブラケットの位置ずれが生じない。また、硬化速度が遅いものの接着力が強いポリウレタン系ホットメルトによりブラケットは脱落しない十分な強度を保つことができる。   According to a third aspect of the present invention, the first adhesive is made of a polyurethane-based hot melt, and the second adhesive is such that the interior member is a resin of PP, PPO, or polyurethane, and When the bracket is a resin of PP or PPO, it is a hot melt of any of olefin, polyester, and polyamide, so the curing speed is increased by any of the hot melts of olefin, polyester, or polyamide. Because it is fast and the initial adhesive strength is high, the bracket is not displaced. In addition, the bracket can be maintained at a sufficient strength so that it does not fall off due to the polyurethane hot melt having a low adhesive rate but a strong adhesive force.

ブラケットの位置ずれが生ぜず、製造原価が低減できる自動車の内装構造を提供する、という目的を、合成樹脂製の内装部材に接着剤によりブラケットを固定してなると共に該ブラケットに支持したクリップを車体に係合させることで、前記車体に内装部材を支持可能なる内装構造において、前記接着剤は、硬化速度が遅く且つ接着強度が高い第１接着剤と、硬化速度が早く且つ耐熱温度が低い第２接着剤とをブラケットの異なる場所に配してなることで、実現した。   The purpose of providing an automobile interior structure in which the bracket is not displaced and the manufacturing cost can be reduced is to fix the bracket to the synthetic resin interior member with an adhesive and to support the clip supported by the bracket on the vehicle body. In the interior structure in which the vehicle interior member can be supported by the vehicle body, the adhesive includes a first adhesive having a slow curing speed and a high adhesive strength, and a first curing agent having a fast curing speed and a low heat-resistant temperature. Realized by arranging two adhesives in different places on the bracket.

本発明の第１実施例を、図１〜図３に基づいて説明する。ＰＰ樹脂による合成樹脂製の「内装部材」である天井板２の上面部に接着剤８によりＡＢＳ樹脂製のブラケット３を固定してなると共に該ブラケット３の割溝３ａに頭部７ｂを支持したクリップ７の脚部７ａを車体４の天井部材５の貫通孔６に係合させることで、前記天井部材５に天井板２を吊下げ可能としている。尚、かかる天井板２にブラケット３が固定される部位は、自動車の後側に相当する位置であり、左右に４個羅列しているが、自動車の前側は、図示しないサンバイザの支軸の固定部により車体４の天井部材５に共締めされている。   A first embodiment of the present invention will be described with reference to FIGS. The bracket 3 made of ABS resin is fixed to the upper surface of the ceiling board 2 which is an “interior member” made of synthetic resin made of PP resin with an adhesive 8, and the head 7 b is supported in the split groove 3 a of the bracket 3. The ceiling plate 2 can be suspended from the ceiling member 5 by engaging the leg portion 7 a of the clip 7 with the through hole 6 of the ceiling member 5 of the vehicle body 4. The part where the bracket 3 is fixed to the ceiling plate 2 is a position corresponding to the rear side of the automobile, and four parts are arranged on the left and right sides, but the front side of the automobile is fixed to a support shaft of a sun visor (not shown). It is fastened together with the ceiling member 5 of the vehicle body 4 by the portion.

前記接着剤８は、硬化速度が遅く且つ接着強度が高いポリウレタン系ホットメルトよりなる第１接着剤８ａと、硬化速度が早く（２〜５分）且つ耐熱温度が低い（溶融温度が９０度）ポリアミド系ホットメルトよりなる第２接着剤８ｂとをブラケット３の底面３ｃの異なる場所に配してなる。符号３ｂは、ブラケット３の柱部である。   The adhesive 8 includes a first adhesive 8a made of a polyurethane hot melt having a slow curing speed and a high adhesive strength, and a fast curing speed (2 to 5 minutes) and a low heat resistance (melting temperature is 90 degrees). The second adhesive 8b made of a polyamide-based hot melt is disposed at different locations on the bottom surface 3c of the bracket 3. Reference numeral 3 b denotes a pillar portion of the bracket 3.

この第１実施例に係る「内装構造」である天井構造１は、以上説明した如く、接着剤８は、硬化速度が遅く且つ接着強度が高いポリウレタン系ホットメルトよりなる第１接着剤８ａと、硬化速度が早く且つ耐熱温度が低いポリアミド系ホットメルトよりなる第２接着剤８ｂとをブラケット３の底面３ｃの異なる場所に配してなるため、第２接着剤８ｂにより接着剤８そのものの硬化速度が早くなり、ブラケット３の底面３ｃの位置ずれが生じない。また、原価の高価な第１接着剤８ａの量が少なく、安価な第２接着剤８ｂを用いているため、製造原価が低減できる。   As described above, the ceiling structure 1 which is the “interior structure” according to the first embodiment includes the first adhesive 8a made of a polyurethane-based hot melt having a slow curing speed and high adhesive strength, Since the second adhesive 8b made of a polyamide-based hot melt having a fast curing speed and a low heat-resistant temperature is arranged at different locations on the bottom surface 3c of the bracket 3, the second adhesive 8b cures the adhesive 8 itself. The position of the bottom surface 3c of the bracket 3 is not displaced. Further, since the amount of the expensive first adhesive 8a is small and the inexpensive second adhesive 8b is used, the manufacturing cost can be reduced.

本発明の第２実施例を、次に説明する。第２実施例における第１実施例と異なる点は、接着剤８と天井板２とブラケット３との組み合わせにある。即ち、前記第１接着剤８ａは、ポリウレタン系ホットメルトよりなり、前記第２接着剤８ｂは、前記天井板２がＰＰ、ＰＰＯ、ポリウレタンの何れかの樹脂であり且つ前記ブラケット３がＰＰ、ＰＰＯの何れかの樹脂であるとき、オレフィン系、ポリエステル系、ポリアミド系の何れかのホットメルトである。   Next, a second embodiment of the present invention will be described. The second embodiment differs from the first embodiment in the combination of the adhesive 8, the ceiling plate 2, and the bracket 3. That is, the first adhesive 8a is made of polyurethane-based hot melt, and the second adhesive 8b is such that the ceiling plate 2 is a resin of PP, PPO, or polyurethane, and the bracket 3 is PP, PPO. In the case of any one of these resins, it is an olefin-based, polyester-based, or polyamide-based hot melt.

かかる組み合わせにより、第２接着剤８ｂがオレフィン系、ポリエステル系、ポリアミド系の何れかのホットメルトによるので、硬化速度が速く、しかも初期の接着強度が高いので、ブラケット３の底面３ｃの位置ずれが生じにくい。また、第１接着剤８ａが硬化速度が遅いものの接着力が強いポリウレタン系ホットメルトによるので、ブラケット３の底面３ｃは天井板２から脱落しない十分な強度を保つことができる。   With this combination, the second adhesive 8b is made of any olefin, polyester, or polyamide hot melt, so that the curing speed is high and the initial adhesive strength is high. Hard to occur. In addition, since the first adhesive 8a is made of polyurethane-based hot melt having a slow curing speed but a strong adhesive force, the bottom surface 3c of the bracket 3 can maintain a sufficient strength that does not drop off the ceiling plate 2.

本発明の第１実施例に係る自動車の内装構造を示す斜視図。The perspective view which shows the interior structure of the motor vehicle based on 1st Example of this invention. 図１の内装構造のブラケットと内装部材と車体との関係を示す分解断面図。FIG. 2 is an exploded cross-sectional view illustrating a relationship among a bracket, an interior member, and a vehicle body of the interior structure of FIG. 1. 図２の矢視IIIにかかる説明図。Explanatory drawing concerning the arrow III of FIG.

符号の説明Explanation of symbols

１ 天井構造（内装構造）
２ 天井板（内装部材）
３ ブラケット
３ｃ 底面
４ 車体
５ 天井部材
７ クリップ
７ａ 脚部
７ｂ 頭部
８ 接着剤
８ａ 第１接着剤
８ｂ 第２接着剤 1 Ceiling structure (interior structure)
2 Ceiling panel (interior material)
3 Bracket 3c Bottom 4 Car body 5 Ceiling member 7 Clip 7a Leg 7b Head 8 Adhesive 8a First adhesive 8b Second adhesive

Claims (3)

合成樹脂製の内装部材に接着剤によりブラケットを固定してなると共に該ブラケットに支持したクリップを車体に係合させることで、前記車体に内装部材を支持可能なる内装構造において、
前記接着剤は、硬化速度が遅く且つ接着強度が高い第１接着剤と、硬化速度が早く且つ耐熱温度が低い第２接着剤とをブラケットの異なる場所に配してなることを特徴とする自動車の内装構造。 In the interior structure that can support the interior member on the vehicle body by fixing the bracket to the interior member made of synthetic resin with an adhesive and engaging the clip supported by the bracket with the vehicle body,
The adhesive comprises a first adhesive having a slow curing speed and a high adhesive strength, and a second adhesive having a fast curing speed and a low heat-resistant temperature arranged at different locations on the bracket. Interior structure. 請求項１に記載の自動車の内装構造であって、
前記第１接着剤は、ポリウレタン系ホットメルトよりなり、
前記第２接着剤は、ポリアミド系ホットメルトよりなることを特徴とする自動車の内装構造。 The interior structure of an automobile according to claim 1,
The first adhesive is made of a polyurethane hot melt,
The interior structure of an automobile, wherein the second adhesive is made of polyamide hot melt. 請求項１に記載の自動車の内装構造であって、
前記第１接着剤は、ポリウレタン系ホットメルトよりなり、
前記第２接着剤は、前記内装部材がＰＰ、ＰＰＯ、ポリウレタンの何れかの樹脂であり且つ前記ブラケットがＰＰ、ＰＰＯの何れかの樹脂であるとき、オレフィン系、ポリエステル系、ポリアミド系の何れかのホットメルトであることを特徴とする自動車の内装構造。 The interior structure of an automobile according to claim 1,
The first adhesive is made of a polyurethane hot melt,
The second adhesive is one of olefin, polyester, and polyamide when the interior member is a resin of PP, PPO, or polyurethane and the bracket is a resin of PP or PPO. The interior structure of an automobile, characterized by being a hot melt.
JP2004114333A 2004-04-08 2004-04-08 Interior trim structure of automobile Pending JP2005297679A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010163033A (en) * 2009-01-15 2010-07-29 Hayashi Telempu Co Ltd Locking member for fixing vehicular interior material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6169256A (en) * 1984-09-13 1986-04-09 Toshiba Corp Image sensor
JPH04100878A (en) * 1990-08-17 1992-04-02 Sekisui Chem Co Ltd Bonding method
JPH11170924A (en) * 1997-12-15 1999-06-29 Ikeda Bussan Co Ltd Bracket mounting method and press molding die

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6169256A (en) * 1984-09-13 1986-04-09 Toshiba Corp Image sensor
JPH04100878A (en) * 1990-08-17 1992-04-02 Sekisui Chem Co Ltd Bonding method
JPH11170924A (en) * 1997-12-15 1999-06-29 Ikeda Bussan Co Ltd Bracket mounting method and press molding die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010163033A (en) * 2009-01-15 2010-07-29 Hayashi Telempu Co Ltd Locking member for fixing vehicular interior material

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