JP4492211B2 - Vehicle door opening prevention structure - Google Patents

Vehicle door opening prevention structure Download PDF

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Publication number
JP4492211B2
JP4492211B2 JP2004149191A JP2004149191A JP4492211B2 JP 4492211 B2 JP4492211 B2 JP 4492211B2 JP 2004149191 A JP2004149191 A JP 2004149191A JP 2004149191 A JP2004149191 A JP 2004149191A JP 4492211 B2 JP4492211 B2 JP 4492211B2
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Japan
Prior art keywords
operation rod
latch
open
vehicle door
open operation
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JP2004149191A
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JP2005330689A (en
Inventor
信次 宮地
雅彦 野村
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Mitsubishi Motors Corp
Mitsubishi Automotive Engineering Co Ltd
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Mitsubishi Motors Corp
Mitsubishi Automotive Engineering Co Ltd
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Priority to JP2004149191A priority Critical patent/JP4492211B2/en
Priority to CNB200510070850XA priority patent/CN100476154C/en
Priority to DE200510023123 priority patent/DE102005023123B4/en
Publication of JP2005330689A publication Critical patent/JP2005330689A/en
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Publication of JP4492211B2 publication Critical patent/JP4492211B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
    • B60J5/107—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans constructional details, e.g. about door frame, panels, materials used, reinforcements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Description

本発明は、後方衝突時における車体後部の車両ドアの開放を防ぐ車両ドア開放防止構造に関する。   The present invention relates to a vehicle door opening prevention structure that prevents opening of a vehicle door at the rear of a vehicle body at the time of a rear collision.

ワゴン車など車体後面に開口をもつ自動車（車両）は、車体後部に該開口を開閉するテールゲート（車両ドアに相当）が装備されている。   An automobile (vehicle) having an opening on the rear surface of a vehicle body such as a wagon car is equipped with a tailgate (corresponding to a vehicle door) for opening and closing the opening at the rear of the vehicle body.

こうしたテールゲートには、閉じた状態を保持するラッチ機構が装備されている。一般には、図６に示されるようにラッチ機構ａは、車体ｂ後面の開口部ｃの下縁部分にストライカｄを設け、テールゲートｅの下端部に、ラッチｆを内蔵したラッチユニットｇを設けた構造が用いられ、テールゲートｅを閉じると、ラッチｆがストライカｄと係合して、閉状態が保持されるようにしている。   Such tailgates are equipped with a latch mechanism that holds the tailgate closed. In general, as shown in FIG. 6, the latch mechanism a is provided with a striker d at the lower edge of the opening c on the rear surface of the vehicle body b, and a latch unit g with a built-in latch f at the lower end of the tailgate e. When the tailgate e is closed, the latch f is engaged with the striker d so that the closed state is maintained.

このようなラッチ機構ａでは、通常、手動で車外側からラッチｆの係合が解除されるよう、同図に示されるようにテールゲートｅのアウタパネルｈの中段や下段などの部位に、オープンハンドルｉを設け、同オープンハンドルｉの開操作を、同オープンハンドルｉからアウタパネルｈ内へ突き出ている連結用アームｌ、同アームｌに連結されるオープン操作ロッドｊを通じ、ラッチユニットｇから上側へ突き出ている受けアームｋに伝えて、ラッチｆを開放側へ変位させる構造が採用されている。   In such a latch mechanism a, an open handle is usually provided at a position such as a middle stage or a lower stage of the outer panel h of the tailgate e as shown in FIG. i is provided, and the opening operation of the open handle i is projected upward from the latch unit g through the connecting arm l projecting from the open handle i into the outer panel h and the open operation rod j coupled to the arm l. A structure is adopted in which the latch f is displaced to the open side by transmitting to the receiving arm k.

ところで、テールゲートｅには種々のデザインや装備が採用される。このため、オープン操作ロッドｊの両端の連結位置が、この影響を受けて、図６に示されるように車体前後方向でずれてレイアウトされることがある。具体的には、図６に示されるようにオープン操作ロッドｊのラッチユニットｇ側の連結点が、オープン操作ロッドｊのオープンハンドルｉ側の連結点より車体前方へオフセットしてレイアウトされることがある。   By the way, various designs and equipment are adopted for the tailgate e. For this reason, the connection positions of both ends of the open operation rod j may be laid out by being shifted in the longitudinal direction of the vehicle body as shown in FIG. 6 due to this influence. Specifically, as shown in FIG. 6, the connection point of the open operation rod j on the latch unit g side is offset from the connection point of the open operation rod j on the open handle i side to the front of the vehicle body. is there.

通常、ラッチ機構ａは、図６中の矢印で示されるようにオープン操作ロッドｊがオープンハンドルｉの開操作で押し下げられると、ラッチｆが開放側へ変位する。ところが、車両の後方衝突時でも、場合によっては、変形するアウタパネルｈでオープンハンドルｉが押されて、オープン操作ロッドｊが、ラッチｆを開放させるまで押し下げられることがある。特にこの挙動は、図６に示されるようなオープンハンドルｉの連結点よりもラッチユニットｇの連結点が車体前方へオフセットしている場合に発生しやすい。   Normally, in the latch mechanism a, when the open operation rod j is pushed down by the open operation of the open handle i as shown by the arrow in FIG. 6, the latch f is displaced to the open side. However, even in the case of a rear collision of the vehicle, in some cases, the open handle i may be pushed by the deformed outer panel h, and the open operation rod j may be pushed down until the latch f is released. In particular, this behavior is likely to occur when the connection point of the latch unit g is offset forward of the vehicle body rather than the connection point of the open handle i as shown in FIG.

この点を例を挙げて説明すれば、例えば後方衝突の発生により、図７中の矢印Ｆのようにテールゲートｅに、アウタパネルｈの変形をきたすような衝撃力を受けたとする。このときアウタパネルｈは、全外周部が車体ｂ、すなわち開口部ｃの開口縁で受け止められるから、中央から押し潰されるように変形する。すると、アウタパネルｈに付いているオープンハンドルｉは、図７中の二点鎖線で示されるように、押し潰されている間に、ラッチユニットｇとのオフセットが無くなる方向へ変位（移動）する。このオープンハンドルｉの変位に伴い、オープン操作ロッドｊには押し下げられる挙動が生じる。特にラッチユニットｇがオープンハンドルｉから車体前方へオフセットされていると、オープンハンドルｉの変位（移動）により、オープンハンドルｉからラッチユニットｇ間の距離Ｄは、一時的に短くなりやすく、オープン操作ロッドｊが押し下げられる挙動が発生しやすい。このとき、押し下げられる変位量が、瞬間、ラッチｆの開放ストローク量（ラッチｆを開放させるに必要なストローク）を上回るようなことが生じると、不用意にラッチｆが開放位置まで変位して、テールゲートｇを開放させてしまう。   This point will be described by way of example. For example, it is assumed that an impact force that causes deformation of the outer panel h is applied to the tailgate e as indicated by an arrow F in FIG. At this time, the outer panel h is deformed so as to be crushed from the center because the entire outer peripheral portion is received by the vehicle body b, that is, the opening edge of the opening c. Then, the open handle i attached to the outer panel h is displaced (moved) in a direction in which there is no offset with the latch unit g while being crushed as indicated by a two-dot chain line in FIG. With the displacement of the open handle i, the open operation rod j behaves to be pushed down. In particular, when the latch unit g is offset from the open handle i to the front of the vehicle body, the distance D between the open handle i and the latch unit g tends to be temporarily reduced due to the displacement (movement) of the open handle i, and the opening operation A behavior in which the rod j is pushed down tends to occur. At this time, if the amount of displacement to be pushed down momentarily exceeds the opening stroke amount of the latch f (stroke required to open the latch f), the latch f is inadvertently displaced to the opening position, The tailgate g is opened.

こうしたテールゲートの開放を防ぐ対策としては、従来、アンチオープンロッドとクラッチ機構とを用いて、クラッチ機構の切換えから、ラッチユニットとオープンハンドルの間の距離が変化したとき、ラッチが開放しないようにするなど、別途、レバーやリンクなどを用いた機構を採用した技術が提案されている。（例えば特許文献１を参照）。
特開平１０−１５９４２１号公報 As a measure to prevent such tailgate opening, conventionally, using an anti-open rod and a clutch mechanism, the latch does not open when the distance between the latch unit and the open handle changes due to switching of the clutch mechanism. For example, a technology using a mechanism using a lever or a link has been proposed. (For example, refer to Patent Document 1).
JP-A-10-159421

ところが、こうしたレバーやリンクなどの機構は、部品点数が多いので、コストの負担が大きい。しかも、同機構は構造的にも複雑になる問題がある。   However, such a mechanism such as a lever or a link has a large number of parts, and thus the cost burden is large. Moreover, the mechanism has a problem that it is structurally complicated.

そこで、本発明の目的は、簡単、かつコスト的な負担が少ない構造で、オープンハンドルの変位を要因としたラッチの開放動作の発生を防げる車両ドア開放防止構造を提供することにある。   SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a vehicle door opening prevention structure that can prevent the occurrence of an opening operation of a latch due to a displacement of an open handle, with a simple and less costly structure.

請求項１に記載の発明は、上記目的を達成するために、車両ドアとオープン操作ロッドとの間に、車両ドアの車体側への変形に伴い、オープン操作ロッドとラッチユニットとの連結を外す当接部材を設けた。これにより、オープンハンドルの変位でラッチが開放する前に、当接部材で、ラッチを開放させようとするオープン操作ロッドのストロークを無効にするようにした。さらに、前記当接部材の先端部を、前記車両ドアの車体側への変形時に、前記オープン操作ロッドと前記ラッチユニットとの連結部よりも車体前側の位置で、前記オープン操作ロッドに当接するようにした。 In order to achieve the above object, the invention according to claim 1 disconnects the open operation rod and the latch unit between the vehicle door and the open operation rod as the vehicle door is deformed to the vehicle body side. A contact member was provided. As a result, the stroke of the open operation rod which attempts to open the latch with the abutting member is invalidated before the latch is released due to the displacement of the open handle. Further, the front end portion of the abutting member abuts on the open operation rod at a position in front of the vehicle body with respect to the connecting portion between the open operation rod and the latch unit when the vehicle door is deformed to the vehicle body side. I made it.

請求項２に記載の発明は、さらにオープン操作ロッド端の連結を外す技術として、オープン操作ロッドの他端の連結には、合成樹脂製のクリップ部材によりラッチユニットと連結する構造を用いたうえ、同クリップ部材にはオープン操作ロッドへ加わる押し出し力により破損する部分をもつ構造を採用した。   The invention according to claim 2 is a technique for further disconnecting the open operation rod end, and for connecting the other end of the open operation rod, a structure that is connected to the latch unit by a synthetic resin clip member is used. The clip member has a structure with a portion that is damaged by the pushing force applied to the open operation rod.

請求項３に記載の発明は、さらに当接部材をオープン操作ロッドと当接可能な地点に設置する技術として、当接部材には、オープンハンドルの近くの地点に位置して車両ドアに設ける構造を採用して、オープンハンドルやオープン操作ロッドを組付ける艤装工程時、オープン操作ロッドが当接部材に位置決めやすくした。   The invention according to claim 3 is a structure in which the contact member is provided at the vehicle door at a point near the open handle as a technique for installing the contact member at a point where the contact member can contact the open operation rod. This makes it easy to position the open operation rod on the abutment member during the assembly process of assembling the open handle and open operation rod.

請求項１に記載の発明によれば、車両ドアに当接部材を設置するという、簡単、かつ安価な構造で、オープンハンドルの変位を要因としたラッチの開放動作の発生を防ぐことができ、車両ドアの不用意な開放を防ぐことができる。   According to the first aspect of the present invention, it is possible to prevent the occurrence of the opening operation of the latch caused by the displacement of the open handle with a simple and inexpensive structure in which the contact member is installed on the vehicle door. Inadvertent opening of the vehicle door can be prevented.

請求項２に記載の発明によれば、上記効果に加え、簡単な構造で、確実にオープン操作ロッド端の連結を外すことができる。   According to the second aspect of the invention, in addition to the above effects, the open operation rod end can be reliably disconnected with a simple structure.

請求項３に記載の発明によれば、上記効果に加え、当接部材は、オープンハンドルの近くに位置して車両ドアに取付けられるから、艤装工程で、後でオープンハンドルやオープン操作ロッドが取付けても、最小限のばらつきで、オープン操作ロッドと当接部材とを位置決めることができる。   According to the third aspect of the invention, in addition to the above effect, the contact member is located near the open handle and is attached to the vehicle door, so that the open handle and the open operation rod are attached later in the outfitting process. However, the open operation rod and the abutting member can be positioned with a minimum variation.

［一実施形態］
以下、本発明を図１〜図５に示す一実施形態にもとづいて説明する。 [One Embodiment]
Hereinafter, the present invention will be described based on an embodiment shown in FIGS.

図１は自動車（車両）の後部側を示していて、同図中１は車体、２は同車体１の後面に形成された開口部１ａ（図２、図４にのみ図示）を開閉するテールゲート（本願の車両ドアに相当）を示している。なお、テールゲート２は、上端部を支点に上下方向に回動可能に支持してある。   FIG. 1 shows the rear side of an automobile (vehicle), in which 1 is a vehicle body, 2 is a tail that opens and closes an opening 1a (shown only in FIGS. 2 and 4) formed on the rear surface of the vehicle body 1. A gate (corresponding to the vehicle door of the present application) is shown. The tailgate 2 is supported so as to be rotatable in the vertical direction with the upper end portion as a fulcrum.

テールゲート２には、閉じた状態を保持するためのラッチ機構５が設けられている。図２および図３にはこのラッチ機構５の各部の構造が示されている。   The tailgate 2 is provided with a latch mechanism 5 for holding the closed state. 2 and 3 show the structure of each part of the latch mechanism 5. FIG.

ここで、図２は図１中のＡ−Ａ線に沿うテールゲート２の断面を示し、図３は図２中の車室内側（矢視Ｂ方向）から見た図（一部は離してある）を示している。これら各図のうち、６は、各種パネル部材、例えば平板状のアウタパネル７、箱状のインナパネル８、各種形状を呈したリンフォース（図示しない）を組み合わせて構成されるドアパネル部、９は車体１後面の開口部１ａの開口縁の一部、例えば下縁部分を示している。   Here, FIG. 2 shows a cross section of the tailgate 2 along the line AA in FIG. 1, and FIG. 3 is a view (partially separated) seen from the vehicle interior side (the direction of arrow B) in FIG. Is). Among these drawings, 6 is a door panel portion formed by combining various panel members, for example, a flat outer panel 7, a box-shaped inner panel 8, and reinforcements (not shown) having various shapes, and 9 is a vehicle body. 1 shows a part of the opening edge of the opening 1a on the rear surface, for example, a lower edge portion.

図２および図３を参照してラッチ機構５を説明すると、１０は例えば下縁部分９の車幅方向中央に設けられたストライカ、１１は同ストライカ１０と向き合うインナパネル８（ドアパネル部６）の下端壁８ａに設けられたラッチユニット、１２はアウタパネル７（ドアパネル部６）の所望位置、例えば中央に設置された上側を支点に上下方向に回動可能なオープンハンドル、１３は例えばオープンハンドル１２の側部（片側）からアウタパネル７を貫通してドアパネル部６の内部へ突き出た帯板状の連結用アームを示す。   The latch mechanism 5 will be described with reference to FIGS. 2 and 3. For example, 10 is a striker provided at the center of the lower edge portion 9 in the vehicle width direction, and 11 is an inner panel 8 (door panel portion 6) facing the striker 10. A latch unit 12 provided on the lower end wall 8a, 12 is an open handle that can be rotated in a vertical direction around a desired position of the outer panel 7 (door panel portion 6), for example, an upper side installed in the center, and 13 is, for example, an open handle 12 A strip-shaped connecting arm that penetrates the outer panel 7 from the side (one side) and protrudes into the door panel 6 is shown.

ラッチユニット１１は、ストライカ１０が入出可能な切込み部１４が前端部に形成された偏平状のケーシング１５内に回動自在なラッチ１６を横向きに収め、さらにケーシング１５内の後部に、回動自在な帯板状の受けアーム１７をケーシング１５から先端側が外部へ斜め左上方向へ突き出るように組み付け、これらラッチ１６と受けアーム１７との間を、キーロック部（図示しない）をもつレバー機構２５やリンク（図示しない）などで中継させた構造が用いられる。つまり、ラッチユニット１１は、テールゲート２を閉じると、切込み部１４へストライカ１０が進入し、同ストライカ１０に対しラッチ１６が係合して、テールゲート２の閉状態を保持する構造となっている。なお、受けアーム１７は、中間を支点として車幅方向に回動する。１７ａはその受けアーム１７の支点部を示している。   The latch unit 11 accommodates a pivotable latch 16 in a flat casing 15 in which a notch 14 into which the striker 10 can be inserted and exited is formed at the front end, and is pivotable at a rear portion in the casing 15. A belt-shaped receiving arm 17 is assembled so that the tip side protrudes obliquely from the casing 15 to the upper left, and a lever mechanism 25 having a key lock portion (not shown) is provided between the latch 16 and the receiving arm 17. A structure relayed by a link (not shown) or the like is used. That is, the latch unit 11 has a structure in which when the tailgate 2 is closed, the striker 10 enters the cut portion 14, and the latch 16 is engaged with the striker 10 to keep the tailgate 2 closed. Yes. The receiving arm 17 rotates in the vehicle width direction with the middle as a fulcrum. Reference numeral 17 a denotes a fulcrum portion of the receiving arm 17.

ここで、受けアーム１７（ラッチユニット１１）は、例えばテールゲート２のデザイン形状により、連結用アーム１３（オープンハンドル１２）から、車体前側へオフセットした地点に配置されている。なお、受けアーム１７の先端部と連結用アーム１３の先端部とは、図３に示されるように車幅方向にも、ずれて配置されている。   Here, the receiving arm 17 (latch unit 11) is arranged at a point offset from the connecting arm 13 (open handle 12) to the front side of the vehicle body by the design shape of the tailgate 2, for example. In addition, the front-end | tip part of the receiving arm 17 and the front-end | tip part of the connection arm 13 are shifted | deviated and arrange | positioned also in the vehicle width direction, as FIG. 3 shows.

これら回動方向が異なる受けアーム１７（回動方向：車幅方向）の先端部と連結用アーム１３（回動方向：上下方向）の先端部との間には、オープン操作ロッド１９が設けられている。   An open operation rod 19 is provided between the distal end of the receiving arm 17 (rotating direction: vehicle width direction) and the distal end of the connecting arm 13 (rotating direction: vertical direction) having different rotational directions. ing.

このオープン操作ロッド１９には、図３に示されるように例えば連結用アーム１３から下方へ真っ直ぐ下がり、それに続いて斜めに傾斜して受けアーム１７の先端部へ至る形状が用いられている。またオープン操作ロッド１９のうち、連結用アーム１３から直下へ下降する部位には、前方へ局所的に凹状へ突き出る凹み部分αが形成されていて、同凹み部分αとその後側のアウタパネル７部分との間に、後述する当接部材２７の設置に必要なスペースを確保している。このオープン操作ロッド１９の各端部が、連結用アーム１３の先端部、受けアーム１７の先端部にそれぞれ回動可能に連結されている。これにより、車外からオープンハンドル１２を回動操作（開操作）すると、その操作力が、オープン操作ロッド１９を通じ受けアーム１７へ伝達されて、ラッチ１１を開放側へ変位（回動）させるようにしている。つまり、ストライカ１０との係合が解除される。   As shown in FIG. 3, for example, the open operation rod 19 has a shape that falls straight downward from the connecting arm 13 and then inclines obliquely to reach the tip of the receiving arm 17. In the open operation rod 19, a portion that descends directly below the connecting arm 13 is formed with a recessed portion α that locally protrudes forward in a concave shape, and the recessed portion α and the outer panel 7 portion on the rear side thereof. In the meantime, a space necessary for installing the contact member 27 described later is secured. Each end of the open operation rod 19 is rotatably connected to the tip of the connecting arm 13 and the tip of the receiving arm 17. Thus, when the open handle 12 is turned (opened) from outside the vehicle, the operating force is transmitted to the receiving arm 17 through the open operating rod 19 to displace (turn) the latch 11 to the open side. ing. That is, the engagement with the striker 10 is released.

また各オープン操作ロッド１９端の連結には、例えば図５に示されるようにオープン操作ロッド１９の先端部にほぼ直角方向に折り曲げた曲り部１９ａを形成し、同曲り部１９ａの先端部を、車室内側から受けアーム１７の先端部に形成された通孔２０（図５（ｃ）のみ図示）に差込み、曲り部１９ａの根元側を合成樹脂製のクリップ部材２１で抜け止めする構造が用いられている。   Further, for connecting each end of the open operation rod 19, for example, as shown in FIG. 5, a bent portion 19 a bent in a substantially right angle direction is formed at the tip portion of the open operation rod 19, and the tip portion of the bent portion 19 a is A structure is used in which the base side of the bent portion 19a is retained by a synthetic resin clip member 21 by being inserted into a through-hole 20 (only FIG. 5C is shown) formed at the tip of the receiving arm 17 from the vehicle interior side. It has been.

すなわち、オープン操作ロッド１９の下端部の連結構造について説明すると、図５（ａ）に示されるように合成樹脂製のクリップ部材２１は、例えば受けアーム１７の先端部前面に配置される環状の座部２２と、同座部２２の内周部から受けアーム１７の通孔２０を通じ、受けアーム１７の後面へ突き出て通孔２０の開口縁と係合する複数のフック部２３とを有している。つまり、受けアーム１７の前面に座部２２が固定される。そして、曲り部１９ａの先端部が、受けアーム１７の前方側から、座部２２の中央を通じて、通孔２０へ差し込んである。また座部２２の上部端には、曲り部１９ａの根元側のロッド部分と嵌まる断面がほぼＣ字形の筒状部２４が形成され、同筒状部２４にて、差し込んだロッド部分が抜け出ないようにしている。   That is, the connection structure of the lower end portion of the open operation rod 19 will be described. As shown in FIG. 5A, the synthetic resin clip member 21 is, for example, an annular seat disposed on the front end portion of the receiving arm 17. And a plurality of hook portions 23 that protrude from the inner peripheral portion of the seat portion 22 through the through hole 20 of the receiving arm 17 to the rear surface of the receiving arm 17 and engage with the opening edge of the through hole 20. Yes. That is, the seat portion 22 is fixed to the front surface of the receiving arm 17. And the front-end | tip part of the bending part 19a is inserted in the through-hole 20 through the center of the seat part 22 from the front side of the receiving arm 17. FIG. A cylindrical portion 24 having a substantially C-shaped cross section that fits with the rod portion on the base side of the bent portion 19 a is formed at the upper end of the seat portion 22, and the inserted rod portion is pulled out by the cylindrical portion 24. I am trying not to.

オープン操作ロッド１９の上端部の連結にも、同じ保持構造が用いられている。上端部の構造は、下端部とは板面の向きが異なる連結用アーム１３にロッド端が連結されるだけの違いであとは全て同じなので、同一符号を付して、その部位の構造の説明は省略した。なお、８ｂはインナパネル８に形成した艤装用の開口（オープン操作ロッド１９など各種部品をドアパネル内部に艤装するために使用）を示す
一方、テールゲート２のうち、オープン操作ロッド１９を挟む車体後側の部位（オープン操作ロッドと車両ドアの間に相当）、例えば図２および図３に示されるオープンハンドル１１の近傍（近い部位）、具体的にはハンドル直下のアウタパネル７部分の内面には、例えば金属製の当接部材２７が設けられている。 The same holding structure is also used for connection of the upper end portion of the open operation rod 19. The structure of the upper end part is the same as that of the difference only that the rod end is connected to the connecting arm 13 whose plate surface direction is different from that of the lower end part. Omitted. In addition, 8b shows the opening for fitting (used for fitting various parts such as the open operation rod 19 inside the door panel) formed in the inner panel 8, while the rear of the vehicle body that sandwiches the open operation rod 19 in the tailgate 2. On the side portion (corresponding to the space between the open operation rod and the vehicle door), for example, in the vicinity (near portion) of the open handle 11 shown in FIGS. 2 and 3, specifically, on the inner surface of the outer panel 7 portion directly under the handle, For example, a metal contact member 27 is provided.

この当接部材２７には、例えば板金部材を巻回して、前方に突き出る筒部分２８ａと後方に突き出る筒部分２８ｂとを形成した横向きの筒形部品が用いられている。このうち筒部分２８ａは、例えば前方へ向うにしたがい高さ寸法が小さくなる角筒状に形成され、筒部分２８ｂは、例えば斜め方向へ延びる角筒状に形成されている。そして、板金部材の合わせ面で形成された筒形部品の上部のフランジ部３０が、オープンハンドル１２を収めているくぼみ部７ａをなすアウタパネル７の内面に取着され、前方の筒部分２８ａをオープン操作ロッド１９の凹み部分αとの間で確保されるスペースに横たわらせ、後方の筒部分２８ｂをくぼみ部７ａを越えた最外のアウタパネル部分との間のスペースに横たわらせている。同構造により、当接部材２７の全体を、オープン操作ロッド１９の後側に該ロッド１９と交差する向きに設置している。なお、後方の筒部分２８ｂは、最外のアウタパネル７の内面の近くまでを占める形状をなしている。   For the contact member 27, for example, a horizontal cylindrical part is used in which a sheet metal member is wound to form a cylindrical portion 28 a protruding forward and a cylindrical portion 28 b protruding backward. Of these, the tube portion 28a is formed in a rectangular tube shape whose height is reduced as it goes forward, for example, and the tube portion 28b is formed in a rectangular tube shape extending in an oblique direction, for example. Then, the upper flange portion 30 of the cylindrical part formed by the mating surface of the sheet metal member is attached to the inner surface of the outer panel 7 that forms the hollow portion 7a that houses the open handle 12, and the front cylindrical portion 28a is opened. The space is secured between the operation rod 19 and the recessed portion α, and the rear cylindrical portion 28b is laid in the space between the outer panel portion and the outermost portion beyond the recessed portion 7a. . With this structure, the entire contact member 27 is installed on the rear side of the open operation rod 19 in a direction intersecting with the rod 19. The rear cylinder portion 28b has a shape that occupies the vicinity of the inner surface of the outermost outer panel 7.

この両筒部分２８ａ，２８ｂで確保される断面形状により、当接部材２７は、例えば後方衝突を受けてテールゲート２のアウタパネル７が変形すると、自身の変形を抑えながら、アウタパネル７の変形にしたがい前方へ押される（変位）ようにしている。この当接部材２７の変位（移動）により、該筒部分２８ａの先端部を、直前を通過する凹み部分αのロッド部分に当接させて、オープン操作ロッド１９を前方へ押し出す挙動を与えるようにしている。このときのオープン操作ロッド１９の連結端に加わる荷重の状況、すなわち上端部は連結用アーム１３の開口縁に荷重が加わるのに対し、下端部は連結用アーム１３の強度より劣る合成樹脂製のクリップ部材２１の一部（筒状部２４）に荷重が集中して加わるという、下端部の合成樹脂製のクリップ部材２１が変形（破損）しやすい状況を利用して、ロッド部分に所定以上の衝撃力が加わると、オープン操作ロッド１９の下端部をクリップ部材２１から強制的に外す構造にしている。なお、図３に示されるようにロッド部分と向き合う筒部分２８ａの先端部には、オープン操作ロッド１９を押し出す際、ロッド部分が、横方向へ逃げないように規制する凹部２９が形成してある。   Due to the cross-sectional shape secured by both the cylinder portions 28a and 28b, the contact member 27 is subjected to deformation of the outer panel 7 while suppressing its own deformation when the outer panel 7 of the tailgate 2 is deformed due to, for example, a rear collision. It is pushed forward (displacement). Due to the displacement (movement) of the contact member 27, the tip of the cylindrical portion 28a is brought into contact with the rod portion of the recessed portion α passing immediately before, thereby giving a behavior of pushing the open operation rod 19 forward. ing. The state of the load applied to the connecting end of the open operation rod 19 at this time, that is, the upper end is made of a load applied to the opening edge of the connecting arm 13, while the lower end is made of a synthetic resin which is inferior to the strength of the connecting arm 13. Utilizing the situation in which the synthetic resin clip member 21 at the lower end is easily deformed (damaged), that is, a load is concentratedly applied to a part of the clip member 21 (cylindrical portion 24), the rod portion has a predetermined amount or more. When an impact force is applied, the lower end portion of the open operation rod 19 is forcibly removed from the clip member 21. As shown in FIG. 3, a concave portion 29 is formed at the tip of the cylindrical portion 28a facing the rod portion so as to prevent the rod portion from escaping laterally when the open operation rod 19 is pushed out. .

また向き合うロッド部分と筒部分２８ａ間の隙間、筒部分２８ｂとアウタパネル７間の隙間は、いずれも、オープンハンドル１２の移動でラッチ１６が開放側に変位する前に、下端部のクリップ部２１にロッド端を外す荷重や衝撃（クリップ部材２１の筒状部２４を変形させるのに要する外力）が加わるよう、隙間寸法が設定されていて、後方衝突時、オープンハンドル１２が変位するとき、ラッチ１６が解錠する前に、オープン操作ロッド１９をラッチユニット１１から切り離せるようにしている。   In addition, the gap between the rod part and the cylinder part 28a facing each other and the gap between the cylinder part 28b and the outer panel 7 are both formed in the clip part 21 at the lower end before the latch 16 is displaced to the open side by the movement of the open handle 12. The clearance dimension is set so that a load for removing the rod end or an impact (external force required to deform the cylindrical portion 24 of the clip member 21) is applied. When the open handle 12 is displaced at the time of a rear collision, the latch 16 The open operation rod 19 can be separated from the latch unit 11 before unlocking.

このオープン操作ロッド１９端が外れるまでの状況が図４に示されている。同図にもとづきオープン操作ロッド１９端が外れるまでを説明すると、今、図４に示されるように例えば車両が後方衝突を受け、テールゲート２のアウタパネル７が、矢印方向から加わる衝撃力Ｆにより変形したとする。このとき、テールゲート２のアウタパネル７は、全外周部が車体１の後面開口の開口縁部で受け止められるから、中央から押し潰されるような変形を起こす。   The situation until the end of the open operation rod 19 is removed is shown in FIG. The operation until the end of the open operation rod 19 is released will be described with reference to FIG. 4. Now, as shown in FIG. 4, for example, the vehicle receives a rear collision, and the outer panel 7 of the tailgate 2 is deformed by the impact force F applied from the arrow direction. Suppose that At this time, the outer panel 7 of the tailgate 2 is deformed so as to be crushed from the center because the entire outer peripheral portion is received by the opening edge portion of the rear surface opening of the vehicle body 1.

すると、オープンハンドル１２は、図４中の二点鎖線に示されるようにアウタパネル７に変形にしたがい車室内側（ラッチユニット１１とのオフセットが無くなる方向）へ変位する。   Then, the open handle 12 is displaced toward the vehicle interior side (the direction in which the offset with respect to the latch unit 11 is eliminated) as the outer panel 7 is deformed as indicated by a two-dot chain line in FIG.

一方、当接部材２７もアウタパネル７の変形に伴い前方へ変位する。すると、当接部材２７の先端部、すなわち筒部分２８ａの先端部が、図４中の二点鎖線で示されるように直前を通過するオープン操作ロッド１９のロッド部分と当接して、同ロッド１９を前方へ強制的に押し出す。   On the other hand, the contact member 27 is also displaced forward with the deformation of the outer panel 7. Then, the tip of the abutting member 27, that is, the tip of the cylindrical portion 28a comes into contact with the rod portion of the open operation rod 19 passing immediately before as shown by a two-dot chain line in FIG. Forcibly push forward.

この押し出しにより、オープン操作ロッド１９の上下の各連結点には、前方へ向う荷重が加わる。   By this extrusion, a load toward the front is applied to the upper and lower connecting points of the open operation rod 19.

このとき、オープン操作ロッド１９の上側の連結点へは、連結用アーム１３の通孔開口縁に押付ける方向から荷重が加わるのに対して、下側の連結点へは、荷重が曲り部１９ａの根元側を係止している合成樹脂製のクリップ部材２１の係止部、ここでは筒状部２４へ後方から荷重が加わる。   At this time, a load is applied to the upper connection point of the open operation rod 19 from the direction of pressing against the opening edge of the connecting arm 13, while the load is bent to the lower connection point 19 a. A load is applied from the rear to the engaging portion of the synthetic resin clip member 21 that locks the base side of the base portion, here the cylindrical portion 24.

この荷重の加わり方により、上端部よりも下端部のクリップ部材２１が変形（破損）しやすい状況となる。   By applying this load, the clip member 21 at the lower end is more likely to be deformed (damaged) than the upper end.

ここで、当接部材２７は、アウタパネル７の変形でラッチ１６が開放側へ移動する前に、クリップ部材２１の筒状部２４を変形（破損）させる荷重が加わるよう、オープン操作ロッド１９やアウタパネル７との隙間が設定されているから、筒状部２４の機能を損なわせる荷重、すなわち所定以上の荷重が加わると、図５（ｂ）に示されるように筒状部２４を形成している前方側の端末部が前方へ延びるように変形し始め、曲り部１９ａの根元側が筒状部２４から外れ始める。続いて図５（ｃ）に示されるように筒状部２４の端末部が大きく変形し、曲り部１９ａの根元側のロッド部分が筒状部２４から外れる。これにより、オープン操作ロッド１９の下端部は、ラッチ１６が開放ストローク量に達する前に、すなわちラッチ１６が解錠する前に、ラッチユニット１１から切り離され、ラッチ１６へは、開放させるロッドストロークが伝わらないようになる。   Here, before the latch 16 moves to the open side due to the deformation of the outer panel 7, the contact member 27 is applied with a load that deforms (breaks) the cylindrical portion 24 of the clip member 21. 7 is set, the cylindrical portion 24 is formed as shown in FIG. 5B when a load that impairs the function of the cylindrical portion 24, that is, when a load exceeding a predetermined value is applied. The front end portion starts to deform so as to extend forward, and the base side of the bent portion 19a begins to come off from the tubular portion 24. Subsequently, as shown in FIG. 5C, the terminal portion of the tubular portion 24 is greatly deformed, and the rod portion on the base side of the bent portion 19 a is detached from the tubular portion 24. As a result, the lower end portion of the open operation rod 19 is disconnected from the latch unit 11 before the latch 16 reaches the opening stroke amount, that is, before the latch 16 is unlocked, and the rod stroke to be opened is released to the latch 16. It will not be transmitted.

つまり、後方衝突などでテールゲート２が変形しても、ラッチ機構５は、オープンハンドル１２の変位でラッチ１６が開放するまえに、該ラッチ１６を開放させようとするストロークは無効になり、不用意なラッチ１６の開放動作が防止される。   That is, even if the tailgate 2 is deformed due to a rearward collision or the like, the latch mechanism 5 has an invalid stroke that attempts to open the latch 16 before the latch 16 is released due to the displacement of the open handle 12. The opening operation of the prepared latch 16 is prevented.

したがって、オープン操作ロッド１９の後側に当接部材２７を設けるという、簡単、かつコスト的に安価な構造で、オープンハンドル１２が変位することを要因としたラッチ１６の解錠の発生を防ぐことができ、不要なテールゲート２の開放を防止できる。特に、当接部材２７の先端に凹部２９を形成すると、ロッド部分は、横方向に逃げずに、前方へ押し出されるから、安定したロッド端の離脱が約束できる。 Therefore, the contact member 27 is provided on the rear side of the open operation rod 19 and the structure is simple and inexpensive, and the occurrence of unlocking of the latch 16 due to the displacement of the open handle 12 is prevented. And unnecessary opening of the tailgate 2 can be prevented. In particular, when the concave portion 29 is formed at the tip of the abutting member 27, the rod portion is pushed forward without escaping in the lateral direction, so that stable separation of the rod end can be promised.

しかも、ロッド端の連結を外す技術には、ロッド端とラッチユニット１１の受けアーム１７とを連結する合成樹脂製のクリップ部材２１を用いて、オープン操作ロッド１９へ加わる押し出し力が所定以上になると破損する構造を採用したので、簡単な構造で、ラッチ１６がオープンハンドル１２の変位で解錠する前に、ロッド端をラッチユニット１１から切り離すことができる。特に各ロッド端をＬ形に曲げ、曲げた上側のロッド端を、上下方向に回動可能な連結用アーム１３（オープンハンドル１２の連結部に相当）に差し込んで合成樹脂製のクリップ部材２１で抜け止めし、曲げた下側のロッド端を、車幅方向に回動変位する縦形の受けアーム１７（ラッチユニット１１の連結部に相当）に差し込んで合成樹脂製のクリップ部材２１で抜け止めする構造にすると、荷重の加わり方の違いを利用して、同じクリップ部材２１を用いた構造でありながら、片側のロッド端をラッチユニット１１から切り離すことができ、別途、専用のクリップ部材２１が不要ですむ利点がある。   In addition, as a technique for disconnecting the rod end, if the pushing force applied to the open operation rod 19 is more than a predetermined value using the synthetic resin clip member 21 that connects the rod end and the receiving arm 17 of the latch unit 11. Since the breakage structure is adopted, the rod end can be separated from the latch unit 11 before the latch 16 is unlocked by the displacement of the open handle 12 with a simple structure. In particular, each rod end is bent into an L shape, and the bent upper rod end is inserted into a connecting arm 13 (corresponding to a connecting portion of the open handle 12) that can be rotated in the vertical direction. The lower rod end that has been prevented from coming off and bent is inserted into a vertical receiving arm 17 (corresponding to a connecting portion of the latch unit 11) that is rotationally displaced in the vehicle width direction, and is prevented from coming off by a synthetic resin clip member 21. In the structure, the same clip member 21 is used by utilizing the difference in how the load is applied, but the rod end on one side can be separated from the latch unit 11 and a dedicated clip member 21 is not required separately. There are benefits.

また当接部材２７は、オープンハンドル１２の近くに位置するドア部材、例えばアウタパネル７の内面に取着したので、ドアパネル７の組上げ後、艤装工程でオープンハンドル１２やオープン操作ロッド１９などを艤装するときは、オープン操作ロッド１９と当接部材２７との相対位置の変化（ばらつき）が最小限に抑えられ、良好なる当接部材１９とオープン操作ロッド１９との位置決めできる。   Further, since the contact member 27 is attached to a door member located near the open handle 12, for example, the inner surface of the outer panel 7, after the door panel 7 is assembled, the open handle 12 and the open operation rod 19 are mounted in the mounting process. In this case, the change (variation) in the relative position between the open operation rod 19 and the contact member 27 is minimized, and the contact member 19 and the open operation rod 19 can be positioned well.

なお、本発明は上述した一実施形態に限定されるものではなく、本発明の主旨を逸脱しない範囲内で種々変更して実施しても構わない。例えば一実施形態は、オープン操作ロッドのロッド端をラッチユニットから外す構造を挙げたが、これに限らず、例えばオープンハンドルの連結用アームの回動する方向とラッチユニットの受けアームとの回動する方向とを入れ換えて、オープンハンドルのロッド端をオープンハンドルから外す構造にしてもよい。また一実施形態では、ラッチユニットの連結点が、オープンハンドルの連結点より前方にオフセットしたラッチ機構に本発明を適用したが、これに限らず、オフセットしていないラッチ機構に本発明を適用してもよい。   The present invention is not limited to the above-described embodiment, and various modifications may be made without departing from the spirit of the present invention. For example, in one embodiment, the structure in which the rod end of the open operation rod is removed from the latch unit is described. However, the present invention is not limited to this. For example, the turning direction of the connecting arm of the open handle and the receiving arm of the latch unit The rod end of the open handle may be removed from the open handle by switching the direction to be performed. In one embodiment, the present invention is applied to a latch mechanism in which the connection point of the latch unit is offset forward from the connection point of the open handle. However, the present invention is not limited to this, and the present invention is applied to a latch mechanism that is not offset. May be.

本発明の一実施形態に係る車両用開放防止構造を装備したテールゲートを示す斜視図。1 is a perspective view showing a tailgate equipped with a vehicle opening prevention structure according to an embodiment of the present invention. 図１中のＡ−Ａ線に沿うラッチ機構の断面図。Sectional drawing of the latch mechanism in alignment with the AA in FIG. 図２中のＢ矢視から見たラッチユニット、オープン操作ロッド、当接部材、オープンハンドルを示す斜視図。FIG. 3 is a perspective view showing a latch unit, an open operation rod, an abutting member, and an open handle as viewed from the direction of arrow B in FIG. 2. 後方衝突により、テールゲートが変形したときにおける当接部材、オープン操作ロッドの挙動を説明するための断面図。Sectional drawing for demonstrating the behavior of a contact member and an open operation rod when a tailgate deform | transforms by back collision. オープン操作ロッドの下端部が、ラッチユニットの連結用アームから外れるときの挙動を説明するための斜視図。The perspective view for demonstrating a behavior when the lower end part of an open operation rod remove | deviates from the connection arm of a latch unit. 従来のテールゲートのラッチ機構を説明するための断面図。Sectional drawing for demonstrating the latch mechanism of the conventional tailgate. 同ラッチ機構において、後方衝突により変形するテールゲートで、ラッチが解錠される挙動を説明するための断面図。Sectional drawing for demonstrating the behavior which a latch is unlocked by the tailgate which deform | transforms by a back collision in the latch mechanism.

符号の説明Explanation of symbols

１…車体、２…テールゲート、５…ラッチ機構、７…アウタパネル（ドア部材）、１０…ストライカ、１１…ラッチユニット、１２…オープンハンドル、１３…連結用アーム、１６…ラッチ、１７…受けアーム、１９…オープン操作ロッド、２１…クリップ部材、２４…筒状部、２７…当接部材、２９…凹部。

DESCRIPTION OF SYMBOLS 1 ... Vehicle body, 2 ... Tail gate, 5 ... Latch mechanism, 7 ... Outer panel (door member), 10 ... Striker, 11 ... Latch unit, 12 ... Open handle, 13 ... Connecting arm, 16 ... Latch, 17 ... Receiving arm , 19 ... Open operation rod, 21 ... Clip member, 24 ... Cylindrical part, 27 ... Contact member, 29 ... Recessed part.

Claims (3)

車体後部の開口を閉じるように設けられた車両ドアと、
前記車体の後部にストライカを設け、前記車両ドアに、ラッチを有するラッチユニットを設けて構成され、前記ラッチと前記ストライカとの係合により、閉じた車両ドアを保持するラッチ機構と、
前記車両ドアの車外壁面に設けられたオープンハンドルと、
一端が前記オープンハンドルに連結され、他端が前記ラッチユニットに連結され、押し下げられることで前記オープンハンドルの開操作を前記ラッチへ伝えて前記ストライカとの係合を解除するオープン操作ロッドと、
前記車両ドアと前記オープン操作ロッドとの間に設けられ、前記車両ドアの車体側への変形に伴い、前記オープン操作ロッドと前記ラッチユニットとの連結を外す当接部材と、を具備し、
前記オープン操作ロッドは、前方に窪んだ凹み部分を有し、前記当接部材は、前記オープン操作ロッドの凹み部分に対向して配置され、この当接部材の先端部が、前記車両ドアの車体側への変形時に、前記オープン操作ロッドと前記ラッチユニットとの連結部よりも車体前側の位置で、前記オープン操作ロッドに当接するようになっていることを特徴とする車両ドア開放防止構造。 A vehicle door provided to close the opening at the rear of the vehicle body;
A latch mechanism configured to provide a striker at a rear portion of the vehicle body and a latch unit having a latch on the vehicle door, and to hold the closed vehicle door by engagement of the latch and the striker;
An open handle provided on an outer wall surface of the vehicle door;
One end is connected to the open handle, the other end is connected to the latch unit, and is pushed down to transmit the open handle to the latch to release the engagement with the striker.
A contact member that is provided between the vehicle door and the open operation rod, and disconnects the open operation rod and the latch unit in association with deformation of the vehicle door toward the vehicle body ;
The open operation rod has a recessed portion that is recessed forward, and the contact member is disposed to face the recessed portion of the open operation rod, and a tip portion of the contact member is a vehicle body of the vehicle door. A structure for preventing opening of a vehicle door, wherein the structure is configured to come into contact with the open operation rod at a position in front of a vehicle body with respect to a connecting portion between the open operation rod and the latch unit when deformed to the side . 請求項１に記載の車両ドア開放防止構造において、前記オープン操作ロッドの他端は、合成樹脂製のクリップ部材により前記ラッチユニットに連結され、かつ前記クリップ部材は、前記オープン操作ロッドへ加わる押し出し力を受けて破損する部分を有する構成となっていることを特徴とする車両ドア開放防止構造。   2. The vehicle door opening prevention structure according to claim 1, wherein the other end of the open operation rod is connected to the latch unit by a synthetic resin clip member, and the clip member pushes the open operation rod. The vehicle door opening prevention structure characterized by having the structure which receives and is damaged. 請求項１に記載の車両ドア開放防止構造において、前記当接部材は、前記車両ドアを構成する、前記オープニングハンドルの近くのドア部材に設けてあることを特徴とする車両ドア開放防止構造。   2. The vehicle door opening prevention structure according to claim 1, wherein the abutting member is provided on a door member that constitutes the vehicle door and is near the opening handle. 3.
JP2004149191A 2004-05-19 2004-05-19 Vehicle door opening prevention structure Expired - Lifetime JP4492211B2 (en)

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CNB200510070850XA CN100476154C (en) 2004-05-19 2005-05-18 Structure for preventing car door opening
DE200510023123 DE102005023123B4 (en) 2004-05-19 2005-05-19 Device for preventing the unlocking of a vehicle door

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