JP2020142638A - Vehicle slide door - Google Patents

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JP2020142638A
JP2020142638A JP2019040686A JP2019040686A JP2020142638A JP 2020142638 A JP2020142638 A JP 2020142638A JP 2019040686 A JP2019040686 A JP 2019040686A JP 2019040686 A JP2019040686 A JP 2019040686A JP 2020142638 A JP2020142638 A JP 2020142638A
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vehicle
door
slide door
sliding door
reinforcing member
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JP7346042B2 (en
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紀樹 染谷
Noriki Someya
紀樹 染谷
克利 荒井
Katsutoshi Arai
克利 荒井
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Mitsui Chemicals Inc
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Mitsui Chemicals Inc
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Abstract

To provide a vehicle slide door which is excellent in strength and weight reduction of the slide door.SOLUTION: A vehicle slide door 1 is slidably coupled to a vehicle body by at least two fixing points 21. The vehicle slide door 1 includes a reinforcement member 22 which inhibits rotation of the slide door 1 around the fixing points 21 by pressing force from an inner side surface of the slide door 1. The vehicle slide door 1 may be an iron slide door, however, it is preferable that the slide door be a resin slide door.SELECTED DRAWING: Figure 1

Description

本発明は、スライドドア強度及び軽量化の点で優れた車両用スライドドアに関する。 The present invention relates to a sliding door for a vehicle which is excellent in terms of strength and weight reduction of the sliding door.

従来の車両用ドアとしては、そのアウターパネル及びインナーパネルが鋼板からなる鉄製ドアが一般的であった。しかし、近年の車両の軽量化の要請から、鋼板に代えて樹脂材料を用いてアウターパネル及びインナーパネルを成形してなる樹脂製ドアが提案されている。また、バックドア等の特定種類の車両用ドアにおいては、実際に樹脂製ドアが実用化されている例もある。 As a conventional vehicle door, an iron door whose outer panel and inner panel are made of steel plate has been generally used. However, in recent years, there has been a demand for weight reduction of vehicles, and a resin door in which an outer panel and an inner panel are molded by using a resin material instead of a steel plate has been proposed. Further, in a specific type of vehicle door such as a back door, there is an example in which a resin door is actually put into practical use.

特許文献1及び2には、アウターパネル材料が特定の樹脂材料からなり、インナーパネルが特定の繊維強化樹脂材料からなる自動車用パネル構造体が開示されている。また、この自動車用パネル構造体は、サイドドア、バックドア、スライドドア、フード、ルーフ等のパネル構造体として用いられることが説明されている。 Patent Documents 1 and 2 disclose an automobile panel structure in which the outer panel material is made of a specific resin material and the inner panel is made of a specific fiber reinforced resin material. Further, it is explained that this automobile panel structure is used as a panel structure for a side door, a back door, a sliding door, a hood, a roof and the like.

特許文献3には、アウターパネルにリブにより構成される溝を設けてその溝に補強部材を取り付けた樹脂製ドアの補強構造が開示されている。また図面には、その補強部材を取り付けたスイングドア(ヒンジドア)が図示されている。 Patent Document 3 discloses a reinforcing structure of a resin door in which a groove formed by ribs is provided in the outer panel and a reinforcing member is attached to the groove. Further, the drawing shows a swing door (hinge door) to which the reinforcing member is attached.

特許文献4には、アウターパネルにリブを設けてそのリブにサイドインパクトバーを取り付けた樹脂製ドアが開示されている。また図面には、そのサイドインパクトバーを取り付けたスイングドア(ヒンジドア)が図示されている。 Patent Document 4 discloses a resin door in which a rib is provided on an outer panel and a side impact bar is attached to the rib. Further, the drawing shows a swing door (hinge door) to which the side impact bar is attached.

特開2005−119380号公報Japanese Unexamined Patent Publication No. 2005-119380 特開2010−195399号公報JP-A-2010-195399 実開昭62−165121号公報Jikkai Sho 62-165121 実開昭62−95926号公報Jikkai Sho 62-95926

樹脂製ドアは軽量化の点で優れているが、通常、鉄製ドアに比べて強度が劣る。したがって樹脂製ドアの実用化の為には、その強度を向上する工夫が必要になる。 Resin doors are superior in terms of weight reduction, but are usually inferior in strength to iron doors. Therefore, in order to put the resin door to practical use, it is necessary to devise a way to improve its strength.

先に説明した特許文献3及び4においては、スイングドア(ヒンジドア)にサイドインパクトバー等の補強部材を取り付けることにより強度を向上している。しかし、スイングドアのアウターパネルにリブを設けると、アウターパネルのヒケ等の外観不良を引き起こす恐れがある。 In Patent Documents 3 and 4 described above, the strength is improved by attaching a reinforcing member such as a side impact bar to the swing door (hinge door). However, if ribs are provided on the outer panel of the swing door, there is a risk of causing poor appearance such as sink marks on the outer panel.

また車両用ドアに要求される強度は、ドアの種類によって様々である。例えばスライドドアについては、車両等の型式認定相互承認協定における協定規則第11号附則6(スライド式側面扉)で規定される試験法に合格する必要がある。しかし、通常の樹脂製スライドドアでは、この試験法に合格することは困難であると考えられていた。 The strength required for vehicle doors varies depending on the type of door. For example, for sliding doors, it is necessary to pass the test method stipulated in Annex 6 (sliding side doors) of Agreement Rule No. 11 in the Mutual Recognition Agreement for Type Approval of Vehicles. However, it was considered difficult to pass this test method with ordinary resin sliding doors.

本発明は、以上の課題を解決する為になされたものである。すなわち本発明の目的は、スライドドア強度及び軽量化の点で優れた車両用スライドドアを提供することにある。 The present invention has been made to solve the above problems. That is, an object of the present invention is to provide a sliding door for a vehicle which is excellent in terms of strength and weight reduction of the sliding door.

本発明者らは上記目的を達成すべく鋭意検討した結果、スライドドアに特定の樹脂製補強部材を設けることが非常に有効であることを見出し、本発明を完成するに至った。すなわち本発明は、以下の事項により特定される。 As a result of diligent studies to achieve the above object, the present inventors have found that it is very effective to provide a specific resin reinforcing member on the sliding door, and have completed the present invention. That is, the present invention is specified by the following matters.

[1]車体に対して少なくとも2つの固定点によりスライド可能に連結される車両用スライドドアであって、
スライドドアの内部側面からの押圧力により前記固定点を中心に回転しようとする動きを抑制する補強部材を備えることを特徴とする車両用スライドドア。
[1] A sliding door for a vehicle that is slidably connected to the vehicle body by at least two fixed points.
A sliding door for a vehicle, which comprises a reinforcing member that suppresses a movement that tends to rotate about the fixed point due to a pressing force from an internal side surface of the sliding door.

[2]固定点の一つが車体前側のクレビス部に位置し、固定点の他の一つが車体後ろ側のドアストライカーとロックがかみ合って固定されている部分である[1]に記載の車両用スライドドア。 [2] For vehicles according to [1], one of the fixing points is located in the clevis portion on the front side of the vehicle body, and the other one of the fixing points is the portion where the door striker on the rear side of the vehicle body and the lock are engaged and fixed. slide door.

[3]樹脂製スライドドアである[1]又は[2]に記載の車両用スライドドア。 [3] The vehicle sliding door according to [1] or [2], which is a resin sliding door.

本発明によれば、スライドドア強度及び軽量化の点で優れた車両用スライドドアを提供できる。 According to the present invention, it is possible to provide a sliding door for a vehicle which is excellent in terms of strength and weight reduction of the sliding door.

本発明の車両用スライドドアの一実施形態を示す図である。It is a figure which shows one Embodiment of the sliding door for a vehicle of this invention. (a)は、図1に示した補強部材22の斜視図であり、(b)は、そのA−A'線断面図である。(A) is a perspective view of the reinforcing member 22 shown in FIG. 1, and (b) is a sectional view taken along line AA'. 車両等の型式認定相互承認協定における協定規則第11号附則6(スライド式側面扉)で規定される試験法を説明するための模式図である。It is a schematic diagram for demonstrating the test method specified in the agreement rule No. 11 supplementary provision 6 (sliding side door) in the mutual recognition agreement of type approval of a vehicle or the like. 車両用スライドドアの試験において作用する力を説明する為の模式図である。It is a schematic diagram for demonstrating the force acting in the test of the sliding door for a vehicle.

図1は、本発明の車両用スライドドアの一実施形態を示す図である。この図1に示す車両用スライドドア1は、アウターパネル11及びインナーパネル12を備え、車体(不図示)に対して2つの固定点11によりスライド可能に連結されている。固定点21の一つは車体前側のクレビス部に位置し、固定点21の他の一つは車体後ろ側のドアストライカーとロックがかみ合って固定されている部分である。この2つの固定点21の間には、補強部材22が設けられている。 FIG. 1 is a diagram showing an embodiment of a sliding door for a vehicle of the present invention. The vehicle slide door 1 shown in FIG. 1 includes an outer panel 11 and an inner panel 12, and is slidably connected to a vehicle body (not shown) by two fixed points 11. One of the fixing points 21 is located in the clevis portion on the front side of the vehicle body, and the other one of the fixing points 21 is a portion where the door striker on the rear side of the vehicle body and the lock are engaged and fixed. A reinforcing member 22 is provided between the two fixed points 21.

図2(a)は、図1に示した補強部材22の斜視図であり、図2(b)は、そのA−A'線断面図である。図2(a)に示すように、補強部材22の形状は横方向に延びる帯形状であり、補強部材22の両端部は2つの固定点21の位置で固定されている。補強部材22の両端部以外の部分(張り部分)は固定されていない。補強部材22の張り部分がアウターパネル11に当たって音がするのを防止する為に、アウターパネル11と補強部材22の間にエプトシーラー等のシーリング材を設けても良い。図2(b)に示すように、補強部材12の断面形状は2つの凹部を有する。 FIG. 2A is a perspective view of the reinforcing member 22 shown in FIG. 1, and FIG. 2B is a cross-sectional view taken along the line AA'. As shown in FIG. 2A, the shape of the reinforcing member 22 is a band shape extending in the lateral direction, and both ends of the reinforcing member 22 are fixed at the positions of the two fixing points 21. The portions (tensioned portions) other than both ends of the reinforcing member 22 are not fixed. In order to prevent the tension portion of the reinforcing member 22 from hitting the outer panel 11 and making a noise, a sealing material such as an ept sealer may be provided between the outer panel 11 and the reinforcing member 22. As shown in FIG. 2B, the cross-sectional shape of the reinforcing member 12 has two recesses.

図1及び図2に示すような補強部材22を車両用スライドドア1に設けることは、強度を向上する点において非常に効果的である。以下、その点について説明する。 Providing the reinforcing member 22 as shown in FIGS. 1 and 2 on the vehicle sliding door 1 is very effective in improving the strength. This point will be described below.

図3は、車両等の型式認定相互承認協定における協定規則第11号附則6(スライド式側面扉)で規定される試験法を説明するための模式図である。この試験法においては、車両用スライドドア2の内部側面の車体前側及び後ろ側の所定の2つの位置を加圧装置91により所定圧力で押圧した際に、車両用スライドドア2と車両との隙間が100mm以下であることが合格の条件である。 FIG. 3 is a schematic diagram for explaining a test method specified in Annex 6 (sliding side door) of Agreement Rule No. 11 in the mutual recognition agreement for type approval of vehicles and the like. In this test method, when the two predetermined positions on the front side and the rear side of the vehicle body on the inner side surface of the vehicle slide door 2 are pressed by the pressurizing device 91 with a predetermined pressure, the gap between the vehicle slide door 2 and the vehicle Is 100 mm or less, which is a condition for passing.

図4は、車両用スライドドアの試験において作用する力を説明する為の模式図である。図4に示すように、上述した試験においては、車両用スライドドア2の内部側面からの押圧力により固定点21を中心に回転しようとする動き(図4に示す矢印方向の動き)が生じる。そして本発明における補強部材22は、このような固定点21を中心に回転しようとする動きを抑制する為の部材である。 FIG. 4 is a schematic diagram for explaining the force acting in the test of the sliding door for a vehicle. As shown in FIG. 4, in the above-described test, a movement (movement in the direction of the arrow shown in FIG. 4) that tends to rotate about the fixed point 21 occurs due to a pressing force from the internal side surface of the vehicle slide door 2. The reinforcing member 22 in the present invention is a member for suppressing the movement of rotating around the fixed point 21.

本発明における補強部材22の全体形状並びに断面形状は、図1及び図2に示したような形状であることが好ましい。ただし本発明はこれに限定されず、車両用スライドドア1の内部側面からの押圧力により固定点21を中心に回転しようとする動きを抑制できるのであれば、どのような形状でも構わない。例えば、図1及び図2に示した補強部材22の断面形状の凹部は2つであるが、この凹部が3つ以上であっても良いし、凹部が1つでも良いし、凹部が無い平板であっても良い。 The overall shape and cross-sectional shape of the reinforcing member 22 in the present invention are preferably the shapes shown in FIGS. 1 and 2. However, the present invention is not limited to this, and any shape may be used as long as the movement to rotate around the fixed point 21 can be suppressed by the pressing force from the internal side surface of the vehicle slide door 1. For example, the reinforcing member 22 shown in FIGS. 1 and 2 has two recesses in the cross-sectional shape, but the recesses may be three or more, one recess may be one, and the flat plate has no recess. It may be.

本発明における補強部材22の材質は特に限定されず、車両用スライドドア1の内部側面からの押圧力により固定点21を中心に回転しようとする動きを抑制できるのであれば、どのような材質でも構わない。例えば、金属製の補強部材は強度に優れており、樹脂製の補強部材は軽量化の点で有利である。本発明においては、特に、強度及びコストの点で優れている鋼板製の補強部材が好ましい。 The material of the reinforcing member 22 in the present invention is not particularly limited, and any material can be used as long as it can suppress the movement to rotate around the fixed point 21 by the pressing force from the internal side surface of the vehicle slide door 1. I do not care. For example, a metal reinforcing member has excellent strength, and a resin reinforcing member is advantageous in terms of weight reduction. In the present invention, a reinforcing member made of steel plate, which is excellent in strength and cost, is particularly preferable.

さらに図1においては、車両用樹脂製スライドドア1の窓13の周囲のアウターパネル側の窓枠周縁部11a(図1においては不図示)とインナーパネル側の窓枠周縁部12aにより窓枠の周縁部が構成されている。そして、アウターパネル側の窓枠周縁部11aとインナーパネル側の窓枠周縁部12aがリベット31により固定されている。このリベット31は窓13の上側の位置の2か所、窓の左側及び右側の位置の各々3か所に使用されている。これにより、窓枠の固定強度が向上する。 Further, in FIG. 1, the window frame peripheral portion 11a (not shown in FIG. 1) on the outer panel side and the window frame peripheral portion 12a on the inner panel side around the window 13 of the resin slide door 1 for a vehicle are used to form the window frame. The peripheral part is composed. Then, the window frame peripheral edge portion 11a on the outer panel side and the window frame peripheral edge portion 12a on the inner panel side are fixed by the rivet 31. The rivets 31 are used at two locations on the upper side of the window 13 and at three locations on the left and right sides of the window. As a result, the fixing strength of the window frame is improved.

本発明のスライドドアは、樹脂製スライドドアであっても良いし、鉄製スライドドアであっても良い。樹脂製スライドドアは軽量化の点で有利である。鉄製スライドドアは、補強部材12によって強度が向上するので補強部材12以外の部分を薄くしたり省略したりすることにより軽量化が図れる。ただし本発明においては、樹脂製スライドドアが好ましい。樹脂製スライドドアにおいて、アウターパネル11を構成する材料としては、ポリプロピレンコンパウンドが好ましい。インナーパネル12を構成する材料としては、シートモールディングコンパウンド(SMC:樹脂を繊維に含浸させたシート)が好ましい。シートモールディングコンパウンドの樹脂の具体例としては、不飽和ポリエステル樹脂が挙げられる。シートモールディングコンパウンドの繊維の具体例としては、ガラス繊維、炭素繊維が挙げられる。 The sliding door of the present invention may be a resin sliding door or an iron sliding door. Resin sliding doors are advantageous in terms of weight reduction. Since the strength of the iron slide door is improved by the reinforcing member 12, the weight can be reduced by thinning or omitting the portion other than the reinforcing member 12. However, in the present invention, a resin sliding door is preferable. In the resin sliding door, polypropylene compound is preferable as the material constituting the outer panel 11. As a material constituting the inner panel 12, a sheet molding compound (SMC: a sheet in which fibers are impregnated with a resin) is preferable. Specific examples of the resin for the sheet molding compound include unsaturated polyester resins. Specific examples of the fibers of the sheet molding compound include glass fibers and carbon fibers.

図1に示した本発明の車両用スライドドアにおいて、補強部材22を設けた場合の車両用スライドドア(実施例1)と、補強部材22を設けない場合の車両用スライドドア(比較例1)に対するCAEによる強度(最大変位量)の解析を実施した。 In the vehicle slide door of the present invention shown in FIG. 1, a vehicle slide door when the reinforcing member 22 is provided (Example 1) and a vehicle slide door when the reinforcing member 22 is not provided (Comparative Example 1). The strength (maximum displacement amount) of the CAE was analyzed.

CAE解析は、協定規則第11号附則6(スライド式側面扉)で規定される試験法に基づいて行なった。但し、解析モデルの簡略化の為にドアとボディの勘合部、つまりクレビスとウトライカーは完全固定とした。なお、スライドドアのインナーパネルはガラス繊維を用いたSMCによって成形し、アウターパネルはポリプロピレンコンパウンドによって成形したものとし、補強部材22はSPC270相当の冷間圧延用鋼材で構成されるものと仮定して解析した。解析結果を表1に示す。 The CAE analysis was performed based on the test method specified in Supplementary Provision 6 (sliding side door) of Agreement Rule No. 11. However, in order to simplify the analysis model, the fitting part of the door and body, that is, the clevis and the Utriker, was completely fixed. It is assumed that the inner panel of the sliding door is molded by SMC using glass fiber, the outer panel is molded by polypropylene compound, and the reinforcing member 22 is made of steel material for cold rolling equivalent to SPC270. Analyzed. The analysis results are shown in Table 1.

Figure 2020142638
Figure 2020142638

本発明の車両用スライドドアは、スライドドア強度及び軽量化の点で優れているので、自動車等の各種車両のスライドドアとして非常に有用である。 Since the sliding door for a vehicle of the present invention is excellent in the strength and weight reduction of the sliding door, it is very useful as a sliding door for various vehicles such as automobiles.

1 車両用スライドドア
2 車両用スライドドア
11 アウターパネル
11a アウターパネル側の窓枠周縁部
12 インナーパネル
12a インナーパネル側の窓枠周縁部
13 窓
21 固定点
22 補強部材
31 リベット
32 窓ガラス保持用弾性部材
33 窓ガラス
91 加圧装置
1 Sliding door for vehicles 2 Sliding door for vehicles 11 Outer panel 11a Window frame peripheral part on the outer panel side 12 Inner panel 12a Window frame peripheral part on the inner panel side 13 Window 21 Fixed point 22 Reinforcing member 31 Rivet 32 Elasticity for holding window glass Member 33 Window glass 91 Pressurizing device

Claims (3)

車体に対して少なくとも2つの固定点によりスライド可能に連結される車両用スライドドアであって、
スライドドアの内部側面からの押圧力により前記固定点を中心に回転しようとする動きを抑制する補強部材を備えることを特徴とする車両用スライドドア。
A sliding door for a vehicle that is slidably connected to the vehicle body by at least two fixed points.
A sliding door for a vehicle, which comprises a reinforcing member that suppresses a movement that tends to rotate about the fixed point due to a pressing force from an internal side surface of the sliding door.
固定点の一つが車体前側のクレビス部に位置し、固定点の他の一つが車体後ろ側のドアストライカーとロックがかみ合って固定されている部分である請求項1に記載の車両用スライドドア。 The sliding door for a vehicle according to claim 1, wherein one of the fixing points is located in the clevis portion on the front side of the vehicle body, and the other one of the fixing points is a portion where the door striker on the rear side of the vehicle body and the lock are engaged and fixed. 樹脂製スライドドアである請求項1又は2に記載の車両用スライドドア。 The vehicle sliding door according to claim 1 or 2, which is a resin sliding door.
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182229U (en) * 1984-05-16 1985-12-03 三菱自動車工業株式会社 Sliding door support device
JPS6295926U (en) * 1985-12-09 1987-06-18
JPH1058980A (en) * 1996-08-22 1998-03-03 Daihatsu Motor Co Ltd Slide door device for vehicle and window part opening detecting mechanism of slide door
JP2006035881A (en) * 2004-07-22 2006-02-09 Toyota Auto Body Co Ltd Constraining structure of slide door for vehicle
JP2008037401A (en) * 2006-08-10 2008-02-21 Toyota Motor Corp Reinforcement structure of door for vehicle
JP2010018233A (en) * 2008-07-14 2010-01-28 Mitsuba Corp Front door opening/closing device
JP2013091359A (en) * 2011-10-24 2013-05-16 Toyota Motor Corp Front pillar structure
JP2013112058A (en) * 2011-11-25 2013-06-10 Honda Motor Co Ltd Sliding door
JP2014196031A (en) * 2013-03-29 2014-10-16 ダイハツ工業株式会社 Slide door structure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182229U (en) * 1984-05-16 1985-12-03 三菱自動車工業株式会社 Sliding door support device
JPS6295926U (en) * 1985-12-09 1987-06-18
JPH1058980A (en) * 1996-08-22 1998-03-03 Daihatsu Motor Co Ltd Slide door device for vehicle and window part opening detecting mechanism of slide door
JP2006035881A (en) * 2004-07-22 2006-02-09 Toyota Auto Body Co Ltd Constraining structure of slide door for vehicle
JP2008037401A (en) * 2006-08-10 2008-02-21 Toyota Motor Corp Reinforcement structure of door for vehicle
JP2010018233A (en) * 2008-07-14 2010-01-28 Mitsuba Corp Front door opening/closing device
JP2013091359A (en) * 2011-10-24 2013-05-16 Toyota Motor Corp Front pillar structure
JP2013112058A (en) * 2011-11-25 2013-06-10 Honda Motor Co Ltd Sliding door
JP2014196031A (en) * 2013-03-29 2014-10-16 ダイハツ工業株式会社 Slide door structure

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