JP2014040145A - Impact absorption structure of vehicle door - Google Patents

Impact absorption structure of vehicle door Download PDF

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JP2014040145A
JP2014040145A JP2012182518A JP2012182518A JP2014040145A JP 2014040145 A JP2014040145 A JP 2014040145A JP 2012182518 A JP2012182518 A JP 2012182518A JP 2012182518 A JP2012182518 A JP 2012182518A JP 2014040145 A JP2014040145 A JP 2014040145A
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shock absorbing
door
impact absorption
door trim
door panel
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JP6004835B2 (en
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Hiroaki Sakamoto
祐朗 坂本
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Daihatsu Motor Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide an impact absorption structure of a vehicle door capable of reducing the mold costs, inhibiting the increase in the number of components, the weight, and the costs, and easily adjusting the impact absorption capability when an article storage part and an impact absorption member are provided.SOLUTION: In an impact absorption structure of a vehicle door 1, an impact absorption member 4 is disposed between a door panel 2 and a door trim 3 which is disposed so as to cover the door panel 2 from the vehicle cabin side. The impact absorption member 4 and a housing case part 5, which forms an article storage space A between the door panel 2 and the door trim 3, are integrally formed by a blow molding method.

Description

本発明は、ドアパネルと、ドアトリムとの間に衝撃吸収部材を配設した車両用ドアの衝撃吸収構造に関する。   The present invention relates to an impact absorbing structure for a vehicle door in which an impact absorbing member is disposed between a door panel and a door trim.

車両用ドアの衝撃吸収構造として、従来、ドアトリムに取り付けられるポケット用ケースの箱状部分とドアトリムとで構成された空間に、樹脂素材を発泡成形させてなる衝撃吸収パッド配設した構造がある（例えば特許文献１参照）。   Conventionally, as a shock absorbing structure for a vehicle door, there is a structure in which a shock absorbing pad is formed by foaming a resin material in a space formed by a box-shaped portion of a pocket case attached to a door trim and a door trim ( For example, see Patent Document 1).

特開２００３−３００４１７号公報JP 2003-300417 A

ところが前記従来構造におけるポケット用ケースは、溶融合成樹脂を射出成形法によって所定の形状に成形したものであり、ポケットを構成する部分も比較的剛性が高く、該部分が衝撃吸収パッドの衝撃吸収能力に悪影響を与えることが考えられ、そのため衝撃吸収能力を所望の値に調整することは容易ではないという問題がある。   However, the pocket case in the conventional structure is formed by molding a synthetic resin into a predetermined shape by an injection molding method, and the portion constituting the pocket is also relatively rigid, and this portion is the shock absorbing capacity of the shock absorbing pad. Therefore, there is a problem that it is not easy to adjust the shock absorbing capacity to a desired value.

またポケット用ケースの箱状部分とは別に発泡性の衝撃吸収パッドを設ける構造であるから、部品点数が増加し、軽量化，低コスト化を阻害するという問題もある。 In addition, since the foam-type shock absorbing pad is provided separately from the box-shaped portion of the pocket case, there is a problem that the number of parts increases, and the weight and cost are hindered.

本発明は、前記従来の状況に鑑みてなされたもので、物品収容部及び衝撃吸収部材を設ける場合の、型費を低減でき、部品点数，重量，コストの増加を抑制でき、さらに衝撃吸収能力の調整が容易な車両用ドアの衝撃吸収構造を提供することを課題としている。   The present invention has been made in view of the above-described conventional situation, and can reduce the mold cost in the case of providing an article accommodating portion and an impact absorbing member, can suppress an increase in the number of parts, weight, and cost, and further has an impact absorbing ability. It is an object to provide a shock absorbing structure for a vehicle door that can be easily adjusted.

本発明は、ドアパネルと、該ドアパネルを車室側から覆うように配置されたドアトリムとの間に衝撃吸収部材を配設した車両用ドアの衝撃吸収構造において、
前記衝撃吸収部材と、前記ドアパネルとドアトリムとの間にて物品収容空間を形成する収容ケース部とをブロー成形により一体的に形成したことを特徴としている。 The present invention relates to a shock absorbing structure for a vehicle door in which a shock absorbing member is disposed between a door panel and a door trim disposed so as to cover the door panel from the passenger compartment side.
The shock absorbing member and a housing case portion that forms an article housing space between the door panel and the door trim are integrally formed by blow molding.

本発明によれば、衝撃吸収部材と、物品収容空間を形成する収容ケース部とをブロー成形により一体形成したので、衝撃吸収部材と収容ケース部を別々に成形する場合に比較して型費を低減することができるとともに、部品点数，重量，及びコストの増加を抑制できる。   According to the present invention, since the impact absorbing member and the accommodating case portion forming the article accommodating space are integrally formed by blow molding, the mold cost is lower than when the impact absorbing member and the accommodating case portion are separately molded. While being able to reduce, the increase in a number of parts, a weight, and cost can be suppressed.

また、収容ケース部をブロー成形により形成したので、該収容ケース部を薄肉で剛性の低いものとすることが容易であるため、該収容ケース部が衝撃吸収部材の衝撃吸収能力に影響を与えることがほとんどない。また衝撃吸収部材をブロー成形により形成したので、これの形状，サイズ等を適宜設定することが容易であり、その結果、衝撃吸収能力を所望の値に調整できる。   In addition, since the storage case portion is formed by blow molding, it is easy to make the storage case portion thin and have low rigidity, so that the storage case portion affects the shock absorbing ability of the shock absorbing member. There is almost no. Further, since the shock absorbing member is formed by blow molding, it is easy to appropriately set the shape, size, etc., and as a result, the shock absorbing ability can be adjusted to a desired value.

本発明の実施例１に係る衝撃吸収構造を有するドアの断面模式図である。It is a cross-sectional schematic diagram of the door which has the impact-absorbing structure which concerns on Example 1 of this invention. 前記衝撃吸収構造のドアトリムの車室内側から見た正面図である。It is the front view seen from the vehicle interior side of the door trim of the said shock absorption structure. 前記衝撃吸収構造の物品収容空間部分の断面側面図（図２のIII-III線断面図）である。FIG. 3 is a cross-sectional side view (a cross-sectional view taken along line III-III in FIG. 2) of an article accommodating space portion of the shock absorbing structure. 前記衝撃吸収構造の衝撃吸収パッド部分の断面側面図（図２のIV-IV線断面図）である。FIG. 4 is a cross-sectional side view (a cross-sectional view taken along line IV-IV in FIG. 2) of a shock absorbing pad portion of the shock absorbing structure. 前記衝撃吸収構造の衝撃吸収ユニット部分の断面平面図（図２のV-V線断面図）である。FIG. 5 is a cross-sectional plan view (cross-sectional view taken along the line V-V in FIG. 2) of the shock absorbing unit portion of the shock absorbing structure. 前記衝撃吸収ユニットの正面斜視図である。It is a front perspective view of the said shock absorption unit. 本発明の実施例２に係る衝撃吸収ユニットの平面図である。It is a top view of the impact absorption unit which concerns on Example 2 of this invention. 前記衝撃吸収ユニットの側面図である。It is a side view of the said shock absorption unit. 前記衝撃吸収ユニットの分解斜視図である。It is a disassembled perspective view of the said shock absorption unit. 本発明の実施例３に係る衝撃吸収ユニットの断面平面図である。It is a cross-sectional top view of the impact absorption unit which concerns on Example 3 of this invention. 本発明の実施例４に係る衝撃吸収ユニットの断面平面図である。It is a cross-sectional top view of the impact absorption unit which concerns on Example 4 of this invention. 前記衝撃吸収ユニットの断面側面図（図１１のXII-XII線断面図）である。FIG. 12 is a cross-sectional side view (cross-sectional view taken along line XII-XII in FIG. 11) of the shock absorbing unit.

以下、本発明の実施形態を添付図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

図１ないし図６は本発明の実施例１を説明するための図である。   1 to 6 are diagrams for explaining a first embodiment of the present invention.

各図において、１は本発明の実施例１に係る衝撃吸収構造を有するサイドドアである。このサイドドア１は、ドアパネル２と、該ドアパネル２を車室内側から覆うように配置されたドアトリム３とを有する。前記ドアパネル２は、アウタパネル２ａとインナパネル２ｂとを最中形状をなすように結合したものであり、内部にドアガラスやその昇降機構等が内蔵されている。 In each figure, 1 is a side door having an impact absorbing structure according to Embodiment 1 of the present invention. The side door 1 includes a door panel 2 and a door trim 3 disposed so as to cover the door panel 2 from the vehicle interior side. The door panel 2 is formed by joining an outer panel 2a and an inner panel 2b so as to form a middle shape, and includes a door glass and its lifting mechanism.

前記ドアトリム３は、外観向上を図ると共に乗員を保護するためのもので、前記ドアパネル２のインナパネル２ｂに取り付けられている。そして前記インナパネル２ｂと前記ドアトリム３との間に、本実施例の特徴をなす衝撃吸収ユニット６が配設されている。 The door trim 3 is for improving the appearance and protecting the passenger, and is attached to the inner panel 2b of the door panel 2. Between the inner panel 2b and the door trim 3, an impact absorbing unit 6 that is characteristic of the present embodiment is disposed.

前記衝撃吸収ユニット６は、車両側面衝突時に衝撃荷重が乗員に伝達されるのを抑制するための衝撃吸収パッド部４と、前記ドアトリム３とで物品収容空間Ａを形成する収容ケース部５とをブロー成形法により一体形成してなるものである。この衝撃吸収ユニット６は、前記衝撃吸収パッド部４の高さがシートに着座している乗員の腰の高さに対応するようにその配置位置が設定されている。 The impact absorbing unit 6 includes an impact absorbing pad portion 4 for suppressing an impact load from being transmitted to an occupant at the time of a vehicle side collision, and an accommodating case portion 5 that forms an article accommodating space A with the door trim 3. It is formed integrally by a blow molding method. The position of the shock absorbing unit 6 is set so that the height of the shock absorbing pad portion 4 corresponds to the height of the waist of the occupant seated on the seat.

前記衝撃吸収ユニット６を形成したブロー成形法とは、プラスチック原料をブロー成形機で溶かしてパイプ状にしたいわゆるパリソンを製品の外表面形状に対応する型面を有する一対の金型で挟み込み、パリソン内に空気を吹き込み、この空気で膨らませて製品を作る方法である。 The blow molding method in which the shock absorbing unit 6 is formed is a method in which a so-called parison in which a plastic raw material is melted by a blow molding machine into a pipe shape is sandwiched between a pair of molds having mold surfaces corresponding to the outer surface shape of the product. This is a method of making a product by blowing air into the inside and inflating with air.

本実施例では、衝撃吸収パッド用型部と収容ケース用型部とからなる成形用金型内に、前記パリソンを供給し、空気を吹き込むことにより薄肉で複雑な形状を有する衝撃吸収ユニット６を得ることができる。 In the present embodiment, the shock absorbing unit 6 having a thin and complicated shape is formed by supplying the parison and blowing air into a molding die composed of a shock absorbing pad mold portion and a housing case mold portion. Can be obtained.

前記衝撃吸収パッド部４は、上，下壁４ａ，４ｂ、前，後壁４ｃ，４ｄ、及び左，右壁４ｅ，４ｆを有する密閉箱状をなしている。そして前記前壁４ｃ，後壁４ｄは、適宜箇所に前後から凹むように設けられた凹部４ｇの底面同士で接続されており、このようにして前記衝撃吸収パッド部４は所望の形状に設定されている。前記衝撃吸収パッド部４の形状，寸法等を適宜設定することにより衝撃吸収性能を調整可能となっている。なお、４ｈはドアトリム３にクリップ等の締結部材で固定されるフランジ部である。 The shock absorbing pad portion 4 has a sealed box shape having upper and lower walls 4a and 4b, front and rear walls 4c and 4d, and left and right walls 4e and 4f. The front wall 4c and the rear wall 4d are connected to each other at the bottoms of the recesses 4g provided so as to be recessed from the front and rear at appropriate places. In this way, the shock absorbing pad portion 4 is set in a desired shape. ing. The shock absorbing performance can be adjusted by appropriately setting the shape, dimensions and the like of the shock absorbing pad portion 4. In addition, 4h is a flange part fixed to the door trim 3 with fastening members, such as a clip.

一方、前記収納ケース部５は、ブロー成形により形成された密閉箱状部分の前壁を切断除去することより車室内側に開口５ａを有する開放箱状となっている。前記開口５ａはドアトリム３により覆われ、これにより物品収容空間Ａが形成されている。なお、５ｂはドアトリム３に取り付けられるフランジ部である。また前記物品収容空間Ａへの物品の出し入れはドアトリム３に形成された出し入れ口３ａから行われる。 On the other hand, the storage case portion 5 has an open box shape having an opening 5a on the vehicle interior side by cutting and removing the front wall of the sealed box-shaped portion formed by blow molding. The opening 5a is covered with a door trim 3, thereby forming an article accommodation space A. Reference numeral 5b denotes a flange portion attached to the door trim 3. Further, the articles are taken into and out of the article accommodating space A through an outlet 3 a formed in the door trim 3.

本実施例によれば、衝撃吸収パッド部４と収容ケース部５とをブロー成形法により一体形成したので、衝撃吸収パッドと収容ケースとを別々に成形する場合に比較して型費を低減することができるとともに、部品点数，重量，及びコストの増加を抑制できる。 According to the present embodiment, since the shock absorbing pad portion 4 and the housing case portion 5 are integrally formed by the blow molding method, the mold cost is reduced as compared with the case where the shock absorbing pad and the housing case are separately molded. And increase in the number of parts, weight, and cost can be suppressed.

また、収容ケース部５をブロー成形法により形成したので、該収容ケース部５を容易に薄肉で剛性の低いものとすることができ、衝撃吸収パッド部４の衝撃吸収能力に悪影響を及ぼすことは殆どない。また衝撃吸収パッド部４をブロー成形法により形成したので、該衝撃吸収パッド部４を容易に所望の形状，サイズに成形することができ、そのため容易に所望の衝撃吸収能力を得ることができる。   Further, since the housing case part 5 is formed by the blow molding method, the housing case part 5 can be easily made thin and low in rigidity, and the impact absorbing ability of the shock absorbing pad part 4 is adversely affected. Almost no. Further, since the shock absorbing pad portion 4 is formed by the blow molding method, the shock absorbing pad portion 4 can be easily formed into a desired shape and size, so that a desired shock absorbing ability can be easily obtained.

図７ないし図９は本発明の実施例２を説明するための図である。図中、図１ないし図６と同一符号は同一又は相当部分を示す。   7 to 9 are diagrams for explaining a second embodiment of the present invention. In the figure, the same reference numerals as those in FIGS. 1 to 6 denote the same or corresponding parts.

前記実施例１では、衝撃吸収ユニットを左，右のドア用に別々にブロー成形したが、本実施例２では、１つのブロー成形品を左，右のドア用に分割して使用している。 In the first embodiment, the shock absorbing unit is blow-molded separately for the left and right doors. However, in this second embodiment, one blow-molded product is divided and used for the left and right doors. .

本実施例２では、ブロー成形品６′の状態では、収容ケース部５′は密閉箱状をなしており、また衝撃吸収パッド部４′は、上，下パッド部４′ｂ，４′ａに二段に分離させて形成されている。前記収納ケース部５′をカットラインｃで切断し、左の収納ケース部５′ａと下パッド部４′ａとが一体的に形成された左の衝撃吸収ユニット６′ａとし、右の収納ケース部５′ｂと上パッド部４′ｂとが一体的に形成された右の衝撃吸収ユニット６′ｂとしている。   In the second embodiment, in the state of the blow molded product 6 ', the housing case portion 5' has a sealed box shape, and the shock absorbing pad portion 4 'has upper and lower pad portions 4'b, 4'a. Are separated in two stages. The storage case portion 5 'is cut along a cut line c to form a left shock absorbing unit 6'a in which a left storage case portion 5'a and a lower pad portion 4'a are integrally formed. The right shock absorbing unit 6'b is integrally formed with the case portion 5'b and the upper pad portion 4'b.

なお、左，右の収納ケース部５′ａ，５′ｂを上，下パッド部４′ｂ，４′ａと一体化しても勿論構わない。 Of course, the left and right storage case portions 5'a and 5'b may be integrated with the upper and lower pad portions 4'b and 4'a.

本実施例２では、左，右の衝撃吸収ユニット６′ａ，６′ｂを一体的にブロー成形し、その後に分割するようにしたので、さらに部品点数,重量及びコストを削減できる。 In the second embodiment, the left and right shock absorbing units 6'a and 6'b are integrally blow-molded and then divided, so that the number of parts, weight and cost can be further reduced.

図１０は、本発明の実施例３を説明するための図である。図中、図１ないし図６と同一符号は同一又は相当部分を示す。   FIG. 10 is a diagram for explaining a third embodiment of the present invention. In the figure, the same reference numerals as those in FIGS. 1 to 6 denote the same or corresponding parts.

本実施例３では、衝撃吸収ユニット６とドアトリム３との間にカップホルダ部７が形成されている。そして前記衝撃吸収ユニット６内にエアコンからの冷風又は温風を流すように構成されており、前記冷風又は温風は車室内に向けて吹き出される。 In the third embodiment, a cup holder portion 7 is formed between the impact absorbing unit 6 and the door trim 3. And it is comprised so that the cold wind or warm air from an air conditioner may flow in the said shock absorption unit 6, and the said cold wind or warm air blows off toward a vehicle interior.

本実施例３では、カップホルダ部７内の缶ジュース等を冷却又は暖める冷，温効果が得られ、さらに車室内にスポット的に冷風又は温風が吹き出すスポットクーラー効果が得られる。 In the third embodiment, a cooling / heating effect that cools or warms the can juice or the like in the cup holder portion 7 is obtained, and a spot cooler effect is also obtained in which cold air or hot air blows out spotwise into the vehicle interior.

図１１，図１２は本発明の実施例４を説明するための図である。図中、図１ないし図６と同一符号は同一又は相当部分を示す。     11 and 12 are diagrams for explaining a fourth embodiment of the present invention. In the figure, the same reference numerals as those in FIGS. 1 to 6 denote the same or corresponding parts.

本実施例４では、衝撃吸収ユニット６の収容ケース部５０を上部に物品出し入れ口５０ａを有する箱状としている。そして前記収容ケース部５０の前壁５０ｂの一部５０ｃをドアトリム３の開口３ｂ内に該ドアトリム３と略面一とるように形成している。また前記一部５０ｃには、ドアトリム３と異なる色彩で塗装が施されている。 In the fourth embodiment, the housing case portion 50 of the shock absorbing unit 6 is in the shape of a box having an article loading / unloading port 50a at the top. A part 50 c of the front wall 50 b of the housing case part 50 is formed in the opening 3 b of the door trim 3 so as to be substantially flush with the door trim 3. The part 50c is painted in a color different from that of the door trim 3.

本実施例４では、ドアトリム３に形成した開口３ｂ内に収容ケース５０の一部５０ｃを位置させ、該一部５０ｃをドアトリム３と異なると色彩にしたので、意匠効果を向上できる。 In the fourth embodiment, since the part 50c of the housing case 50 is positioned in the opening 3b formed in the door trim 3, and the part 50c is different from the door trim 3, the design effect can be improved.

１ サイドドア
２ ドアパネル
３ ドアトリム
４ 衝撃吸収パッド部（衝撃吸収部材）
５ 収容ケース部
Ａ 物品収容空間 1 Side door 2 Door panel 3 Door trim 4 Shock absorbing pad (shock absorbing member)
5 Storage case part A Goods storage space

Claims (1)

ドアパネルと、該ドアパネルを車室側から覆うように配置されたドアトリムとの間に衝撃吸収部材を配設した車両用ドアの衝撃吸収構造において、
前記衝撃吸収部材と、前記ドアパネルとドアトリムとの間にて物品収容空間を形成する収容ケース部とをブロー成形法により一体的に形成した
ことを特徴とする車両用ドアの衝撃吸収構造。 In a shock absorbing structure for a vehicle door in which a shock absorbing member is disposed between a door panel and a door trim disposed so as to cover the door panel from the passenger compartment side,
A shock absorbing structure for a vehicle door, wherein the shock absorbing member and a housing case portion that forms an article housing space between the door panel and the door trim are integrally formed by a blow molding method.
JP2012182518A 2012-08-21 2012-08-21 Manufacturing method for left and right shock absorbing units Expired - Fee Related JP6004835B2 (en)

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JP2014040145A true JP2014040145A (en) 2014-03-06
JP6004835B2 JP6004835B2 (en) 2016-10-12

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KR20190030931A (en) * 2017-09-15 2019-03-25 주식회사 서연이화 Map pocket intergrated impact pad

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JPH0293151U (en) * 1989-01-11 1990-07-24
JPH0885339A (en) * 1994-09-20 1996-04-02 Kasai Kogyo Co Ltd Interior part for automobile
JPH10250513A (en) * 1997-03-13 1998-09-22 Kyoraku Co Ltd Impact absorbing body for vehicle
JP2000177518A (en) * 1998-12-16 2000-06-27 Kasai Kogyo Co Ltd Side impact pad structure of vehicle
JP2004090714A (en) * 2002-08-30 2004-03-25 Nishikawa Kasei Co Ltd Door inner module structure for vehicle

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JPS6098532U (en) * 1983-12-05 1985-07-05 キヨ−ラク株式会社 Automobile armrest
JPS63139113U (en) * 1987-03-06 1988-09-13
JPH0293151U (en) * 1989-01-11 1990-07-24
JPH0885339A (en) * 1994-09-20 1996-04-02 Kasai Kogyo Co Ltd Interior part for automobile
JPH10250513A (en) * 1997-03-13 1998-09-22 Kyoraku Co Ltd Impact absorbing body for vehicle
JP2000177518A (en) * 1998-12-16 2000-06-27 Kasai Kogyo Co Ltd Side impact pad structure of vehicle
JP2004090714A (en) * 2002-08-30 2004-03-25 Nishikawa Kasei Co Ltd Door inner module structure for vehicle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190030931A (en) * 2017-09-15 2019-03-25 주식회사 서연이화 Map pocket intergrated impact pad
KR102019898B1 (en) * 2017-09-15 2019-09-11 주식회사 서연이화 Map pocket intergrated impact pad

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