JP2006056361A - Reinforcement plate mounting structure for latch assembly - Google Patents

Reinforcement plate mounting structure for latch assembly Download PDF

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Publication number
JP2006056361A
JP2006056361A JP2004239552A JP2004239552A JP2006056361A JP 2006056361 A JP2006056361 A JP 2006056361A JP 2004239552 A JP2004239552 A JP 2004239552A JP 2004239552 A JP2004239552 A JP 2004239552A JP 2006056361 A JP2006056361 A JP 2006056361A
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Prior art keywords
outer panel
latch assembly
reinforcing plate
back door
wall portion
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JP2004239552A
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Japanese (ja)
Inventor
Gentaro Okahara
元太郎 岡原
Naotoshi Kinoshita
尚年 木下
Hidetoshi Iwatani
英俊 岩谷
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Suzuki Motor Corp
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Suzuki Motor Corp
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Priority to JP2004239552A priority Critical patent/JP2006056361A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a reinforcement plate mounting structure for a latch assembly capable of preventing removal of a spot welding part for joining a reinforcement plate for reinforcing a mounting part of the latch assembly of a back door and an inner panel. <P>SOLUTION: A bottom part 4a extending from a lower wall part of the inner panel 4 of the back door 2 to an outer panel 3 side is formed and the mounting part of the latch assembly 5 engaged with a striker 8 at a vehicle body side is provided in the back door 2 joined with the bottom part 4a to the outer panel 3. The reinforcement plate 6 for reinforcing the mounting part is arranged from the lower wall part of the inner panel 4 to the bottom part 4a. Then, the reinforcement plate 6 is extended to the outer panel 3 side to form a rear wall part 12 opposed to the outer panel 3 and a sealer 14 is auxiliarily filled between the rear wall part 12 and a surface of the outer panel 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、開閉ドアをストライカとともにロックするラッチアッシの取付部を補強する補強板がインナパネルに設けられているラッチアッシの補強板取付構造に関する。   The present invention relates to a latch plate reinforcing plate mounting structure in which a reinforcing plate for reinforcing a mounting portion of a latch assembly that locks an opening / closing door together with a striker is provided on an inner panel.

図８は、自動車のバックドア２を示す。バックドア２は、アウターパネル３とインナパネル４とで形成され、バックドア２の下部には、ラッチアッシ５を取付けている。ラッチアッシ５には、このラッチアッシの取付強度を大きくする補強板６を設けている。補強板６は、断面がＬ字形状であり、前壁部１０と底壁部１１とが、スポット溶接部ｓによりインナパネル４に固着される。また、補強板６には、図９に示すように、溶接ナット２２を底壁部１１の上面に固着し、この溶接ナット２２にボルト２３を締結して、ラッチアッシ５のフランジ板５ａと補強板６とをインナパネル４に共締めし、ラッチアッシ５の取付部を補強する。   FIG. 8 shows the back door 2 of the automobile. The back door 2 is formed by an outer panel 3 and an inner panel 4, and a latch assembly 5 is attached to the lower portion of the back door 2. The latch assembly 5 is provided with a reinforcing plate 6 that increases the mounting strength of the latch assembly. The reinforcing plate 6 has an L-shaped cross section, and the front wall portion 10 and the bottom wall portion 11 are fixed to the inner panel 4 by spot welding portions s. Further, as shown in FIG. 9, a welding nut 22 is fixed to the upper surface of the bottom wall portion 11 on the reinforcing plate 6, and a bolt 23 is fastened to the welding nut 22 to connect the flange plate 5 a of the latch assembly 5 and the reinforcing plate. 6 and the inner panel 4 are tightened together to reinforce the attachment portion of the latch assembly 5.

一方、フロア７側のテールスカウトアウターパネル１９には、軸部材をコ字形に折り曲げた形状のストライカ８が取付けられている。ラッチアッシ５には、ストライカ８の軸を係止する噛合部５ｂを形成し、ラッチアッシ５とストライカ９の係合によりバックドア２が車体側に固定される。
特開平２００１−２９１６７号公報 On the other hand, on the tail scout outer panel 19 on the floor 7 side, a striker 8 having a shape obtained by bending a shaft member into a U-shape is attached. The latch assembly 5 is formed with a meshing portion 5 b for locking the shaft of the striker 8, and the back door 2 is fixed to the vehicle body side by the engagement of the latch assembly 5 and the striker 9.
JP-A-2001-29167

バックドア２を閉じる時に、図８に示す矢印ａ方向からラッチアッシ５の噛合部５ｂがストライカ８に当たり、噛合部５ｂがストライカ８を噛合する。この際、噛合部５ｂとストライカ８の接触により、ラッチアッシ５を取付けている補強板６が図８に示す矢印ｂ方向の力を受ける。上述のとおり、ラッチアッシ５の取付部は、フランジ板５ａと補強板６とが、インナパネル４にボルト２３により共締めされるので、ラッチアッシ５を介してバックドア２の閉時の負荷が補強板６に伝わり、補強板６をインナパネル４に固定するスポット溶接部ｓ２，ｓ３にせん断力が生じる。このようなバックドア２の開閉を繰り返すうちに、底壁部１１側のスポット溶接部ｓが外れてしまうおそれがある。
本発明は、このような事情に鑑みてなされ、ドアのラッチアッシの取付部を補強する補強板とインナパネルとを接合するスポット溶接部の外れを防止できるラッチアッシの補強板取付構造を提供することを目的とする。 When the back door 2 is closed, the meshing part 5b of the latch assembly 5 hits the striker 8 from the direction of the arrow a shown in FIG. 8, and the meshing part 5b meshes the striker 8. At this time, due to the contact between the meshing portion 5b and the striker 8, the reinforcing plate 6 to which the latch assembly 5 is attached receives a force in the direction of arrow b shown in FIG. As described above, the mounting portion of the latch assembly 5 is such that the flange plate 5a and the reinforcing plate 6 are fastened together with the inner panel 4 by the bolts 23, so that the load when the back door 2 is closed via the latch assembly 5 is 6, a shearing force is generated in the spot welds s <b> 2 and s <b> 3 that fix the reinforcing plate 6 to the inner panel 4. While the opening and closing of the back door 2 is repeated, the spot welded portion s on the bottom wall portion 11 side may come off.
This invention is made in view of such a situation, and provides the reinforcement board attachment structure of a latch assembly which can prevent the detachment of the spot welding part which joins the reinforcement board which reinforces the attachment part of the latch assembly of a door, and an inner panel. Objective.

本発明は上記目的を達成するために、ドアのインナパネルの底壁部をアウターパネルと接合し、車体側のストライカに噛合するラッチアッシの取付部材と、該取付部材の取付部を補強する補強板とを溶接とボルトにより前記底壁部に取付けているラッチアッシの補強板取付構造において、前記補強板をアウターパネル側へ延長して前記アウターパネル面への当接部を設けた。
上記発明は、前記補強板の当接部と前記アウターパネル面との間にシーラを塗布して接着することができる。
また、上記発明は、前記補強板を前記底壁部とアウターパネルとの境界部で折り曲げ、この折曲部の方向に沿って、アウターパネルにビードを形成することができる。
さらに、上記発明は、前記補強板の折曲部から当接部にわたってビードを形成することができる。 In order to achieve the above-mentioned object, the present invention achieves the above-described object by joining a bottom wall portion of an inner panel of a door to an outer panel and engaging with a striker on the vehicle body side, and a reinforcing plate for reinforcing the attachment portion of the mounting member In the structure for attaching the reinforcing plate of the latch assembly, which is attached to the bottom wall portion by welding and bolts, the reinforcing plate is extended to the outer panel side to provide a contact portion to the outer panel surface.
In the above invention, a sealer can be applied and bonded between the contact portion of the reinforcing plate and the outer panel surface.
Moreover, the said invention can bend the said reinforcement board in the boundary part of the said bottom wall part and an outer panel, and can form a bead in an outer panel along the direction of this bending part.
Furthermore, the said invention can form a bead from the bending part of the said reinforcement board to a contact part.

本発明は、ドアのインナパネルの底壁部をアウターパネルと接合し、車体側のストライカに噛合するラッチアッシの取付部材と、該取付部材の取付部を補強する補強板とを溶接とボルトにより前記底壁部に取付けているラッチアッシの補強板取付構造において、前記補強板をアウターパネル側へ延長して前記アウターパネル面への当接部を設けたので、ラッチアッシの噛合部とストライカの噛合時に補強板が受ける負荷をアウターパネルに分散し、補強板の負担を軽減する。本発明は、直接アウターパネルに補強板を溶接などで固定できる場合に適用される。
上記発明は、前記補強板の当接部と前記アウターパネル面との間にシーラを補填したので、シーラ自体の弾性でアウターパネルにかかる負荷を和らげる。本発明は、アウターパネルの意匠（外部から見える）面に溶接ができない場合に、実施することが好ましい。
また、上記発明は、 前記補強板を前記底壁部とアウターパネルとの境界部で折り曲げ、この折曲部の方向に沿って、アウターパネルにビードを形成したので、アウターパネルの負荷がかかる部分の補強となる。
さらに、上記発明は、前記補強板の折曲部から当接部にわたってビードを形成したので、補強板自体の補強となる。 In the present invention, the bottom wall portion of the inner panel of the door is joined to the outer panel, the attachment member of the latch assembly that meshes with the striker on the vehicle body side, and the reinforcing plate that reinforces the attachment portion of the attachment member by welding and bolts. In the structure for attaching the reinforcing plate of the latch assembly attached to the bottom wall portion, the reinforcing plate is extended to the outer panel side to provide a contact portion to the outer panel surface, so that reinforcement is made when the engaging portion of the latch assembly and the striker are engaged. Distributes the load received by the plate to the outer panel, reducing the burden on the reinforcing plate. The present invention is applied when the reinforcing plate can be fixed directly to the outer panel by welding or the like.
In the above invention, since the sealer is compensated between the contact portion of the reinforcing plate and the outer panel surface, the load applied to the outer panel is reduced by the elasticity of the sealer itself. The present invention is preferably carried out when welding cannot be performed on the design (visible from the outside) surface of the outer panel.
In the above invention, the reinforcing plate is bent at the boundary portion between the bottom wall portion and the outer panel, and the bead is formed in the outer panel along the direction of the bent portion. It becomes reinforcement of.
Furthermore, in the above invention, since the bead is formed from the bent portion to the contact portion of the reinforcing plate, the reinforcing plate itself is reinforced.

以下、本発明の実施の形態のラッチアッシの補強板取付構造について図面を参照しながら説明する。
図１は、本発明に係わるラッチアッシの補強板取付構造を採用している自動車の背面図であり、図２は図１の自動車のバックドアをアウターパネル側から見た斜視図であり、図３は図１の自動車のバックドアを外した状態のドア枠周辺の斜視図である。
ワンボックスタイプの自動車１の後部には、開閉が可能なバックドア２が配設されている。バックドア２の開閉は、図３に示す荷室のフロア側に配設されているストライカ８と、バックドア２の内部に設けられているラッチアッシ５との係合、解除により行われる。 Hereinafter, a reinforcing plate mounting structure for a latch assembly according to an embodiment of the present invention will be described with reference to the drawings.
1 is a rear view of an automobile employing a latch assembly reinforcing plate mounting structure according to the present invention. FIG. 2 is a perspective view of the back door of the automobile shown in FIG. FIG. 2 is a perspective view of the vicinity of a door frame in a state where a back door of the automobile of FIG. 1 is removed.
A back door 2 that can be opened and closed is disposed at the rear of the one-box type automobile 1. The back door 2 is opened and closed by engaging and releasing the striker 8 disposed on the floor side of the cargo compartment shown in FIG. 3 and the latch assembly 5 provided inside the back door 2.

図４、図５に示すように、バックドア２は、車体の外側に配設されるアウターパネル３とインナパネル４とから形成され、インナパネル４には該インナパネル４の下端部をアウターパネル３側へ折り曲げた底部４ａを形成している。そして、それらのパネル３，４間にラッチアッシ５が配設されている。ラッチアッシ５はロッド２６の下端と連結され、ロッド２６の上端部は、バックドア２の開操作を行うハンドル２７に取付けたアーム２８と連結されている。ラッチアッシ５は、図６に示すように、ラッチアッシ５の取付部材としてのフランジ板５ａが底部４ａに取付けられ、ラッチの噛合部５ｂを底部４ａの下側に配設している。
なお、ラッチアッシ５は、ハンドル２７を後方に引いて、アーム２８の先端を下方に揺動させ、これによりロッド２６が下方に移動すると、ラッチアッシ５のラッチ機構が作動してラッチとストライカ８の噛合が解除される構造になっている。また、バックドア２の開状態からバックドア２を閉めると、噛合部５ｂがストライカ８に噛合する。 As shown in FIGS. 4 and 5, the back door 2 is formed of an outer panel 3 and an inner panel 4 disposed on the outer side of the vehicle body, and the inner panel 4 has a lower end portion disposed on the outer panel 4. A bottom portion 4a bent to the 3 side is formed. A latch assembly 5 is disposed between the panels 3 and 4. The latch assembly 5 is connected to the lower end of the rod 26, and the upper end of the rod 26 is connected to an arm 28 attached to a handle 27 that opens the back door 2. As shown in FIG. 6, in the latch assembly 5, a flange plate 5a as an attachment member of the latch assembly 5 is attached to the bottom portion 4a, and the engagement portion 5b of the latch is disposed below the bottom portion 4a.
The latch assembly 5 pulls the handle 27 rearward and swings the tip of the arm 28 downward. As a result, when the rod 26 moves downward, the latch mechanism of the latch assembly 5 operates to engage the striker 8 with the latch. Is a structure that can be released. Further, when the back door 2 is closed from the open state of the back door 2, the meshing portion 5 b meshes with the striker 8.

バックドア２の下部には、ラッチアッシ５の取付部を補強する断面形状が略Ｕ字形の補強板６が設けられている（図４〜図６参照）。補強板６は、図７に示すように、インナパネル４の下端側にスポット溶接ｓ１で固定されている前壁部１０と、底部４ａに溶接ｓ２，ｓ３で固定されている底壁部１１と、この底壁部１１からほぼ垂直に立設しアウターパネル３側に沿った面を有する後壁部１２とから形成されている。底壁部１１と後壁部１２の境界部は大きなＲ形状で連結されている。
底壁部１１の上面には一対の溶接ナット２２を溶着し、この溶接ナット２２を介して、ボルト２３によりラッチアッシ５のフランジ板５ａ、補強板６及び底部４ａを共に締結して、ラッチアッシ５がインナパネル４に固定される。 A reinforcing plate 6 having a substantially U-shaped cross section for reinforcing the attachment portion of the latch assembly 5 is provided at the lower portion of the back door 2 (see FIGS. 4 to 6). As shown in FIG. 7, the reinforcing plate 6 includes a front wall portion 10 fixed to the lower end side of the inner panel 4 by spot welding s1, and a bottom wall portion 11 fixed to the bottom portion 4a by welding s2 and s3. The rear wall portion 12 is formed substantially vertically from the bottom wall portion 11 and has a surface along the outer panel 3 side. The boundary between the bottom wall portion 11 and the rear wall portion 12 is connected in a large R shape.
A pair of welding nuts 22 are welded to the upper surface of the bottom wall portion 11, and the flange plate 5 a, the reinforcing plate 6, and the bottom portion 4 a of the latch assembly 5 are fastened together by bolts 23 through the weld nuts 22. It is fixed to the inner panel 4.

後壁部１２は、アウターパネル３面にわずかな間隔を空けて、互いの対向面がほぼ平行になるように配置され、アウターパネル３と後壁部１２との間には、図７に示すように、シーラ１４を横方向に複数箇所塗布（本実施例では４箇所）されている。すなわち、後壁部１２は、このシーラ１４を介してアウターパネル３に当接している。なお、シーラ１４は、車体の電着塗装の後の熱乾燥前にアウターパネル３及び後壁部１２間に付着され、熱乾燥時にそれらのパネル間に接着される。
補強板６には、この補強板６の底壁部１１の後端から後壁部１２にわたって、上下方向に延び、かつバックドア２の内部側に突出する４本のビード１７が設けられている。 The rear wall portion 12 is arranged with a slight gap on the surface of the outer panel 3 so that the opposing surfaces thereof are substantially parallel to each other. The space between the outer panel 3 and the rear wall portion 12 is shown in FIG. As described above, the sealer 14 is applied in a plurality of locations in the lateral direction (four locations in this embodiment). That is, the rear wall portion 12 is in contact with the outer panel 3 through the sealer 14. The sealer 14 is attached between the outer panel 3 and the rear wall 12 before heat drying after the electrodeposition coating of the vehicle body, and is adhered between these panels during heat drying.
The reinforcement plate 6 is provided with four beads 17 extending in the vertical direction from the rear end of the bottom wall portion 11 of the reinforcement plate 6 to the rear wall portion 12 and projecting to the inner side of the back door 2. .

アウターパネル３の下部には、シーラ１４の接着位置の下部に上側ビード（または屈曲部）１５をバックドア２の幅方向に形成し、上側ビード１５の下部には車体の後方側に突出する下側ビード１６を車幅方向に形成している。
車体側のドア枠下部は、フロアパネル７と、ドア枠底部を形成するテールスカートアウターパネル１９と、それらのパネル７，１９とを接合したテールスカートインナパネル２０とで閉じ断面を形成している。そして、ストライカ８は、テールスカートアウターパネル１９とこれを補強するバックドアストライカリーンフォース２１との重合部で、図３に示すように、ネジ９により取付けられている。
なお、バックドア２のアウターパネル３側の下部に形成された下部空間１８は水抜き孔（図示せず）に連通する。 In the lower part of the outer panel 3, an upper bead (or bent part) 15 is formed in the width direction of the back door 2 at the lower part of the adhesion position of the sealer 14, and the lower part of the upper bead 15 is projected to the rear side of the vehicle body. The side beads 16 are formed in the vehicle width direction.
The lower part of the door frame on the vehicle body side forms a closed cross section with a floor panel 7, a tail skirt outer panel 19 that forms the bottom of the door frame, and a tail skirt inner panel 20 that joins these panels 7 and 19. . The striker 8 is an overlapping portion of the tail skirt outer panel 19 and the back door strike reinforcement 21 that reinforces the striker outer panel 19, and is attached by screws 9 as shown in FIG.
In addition, the lower space 18 formed in the lower part on the outer panel 3 side of the back door 2 communicates with a drain hole (not shown).

ラッチアッシの補強板取付構造の作用、効果は以下の通りである。
開状態にあるバックドア２を閉じると、バックドア２の上部にある図示しないヒンジ軸を回動中心として、バックドア２が閉じ状態になる。ストライカ８と噛合部５ｂとが噛み合う際には、噛合部５ｂを介してフランジ板５ａに負荷がかかり、フランジ板５ａとボルト２３により共締めされている補強板６に衝撃力が負荷する。これにより、底壁部１１と底部４ａのスポット溶接部ｓ１，ｓ２にせん断力が生じるが、当接面１２ａがシーラ１４を介してアウターパネル３と連結しているので、アウターパネル３が後壁部１２の押さえとなり、底壁部１１にかかる負荷をアウターパネル３側へ分散できる。よって、底壁部１１をインナパネル４に固定している溶接部ｓ１，ｓ２の受けるせん断力を軽減することができ、溶接部ｓ１，ｓ２の剥離を防止できる。
後壁部１２は、底壁部１１に対して略垂直に形成されているので、補強板６の後方への移動を効果的に防止する。また、底壁部１１と後壁部１２及びアウターパネル３面の角度を垂直よりも小さくすると補強板６の後方移動力によって、補強板６をインナパネル４の底部４ａに押し付ける力が発生し、より溶接部ｓ２，ｓ３の剥がれを防止できる。なお、後壁部１２は底壁部１１に対して上方に向けて形成したので、バックドア２の下端位置の形状に対して影響を受けない。すなわち、後壁部１２を下向きにする場合は、下部空間１８のような特別な空間を必要とするが、本願の補強板６は下部空間１８がなくても配設することが可能である。 The action and effect of the reinforcing plate mounting structure of the latch assembly are as follows.
When the back door 2 in the open state is closed, the back door 2 is in a closed state around a hinge shaft (not shown) at the top of the back door 2 as a rotation center. When the striker 8 and the meshing part 5 b mesh with each other, a load is applied to the flange plate 5 a via the meshing part 5 b, and an impact force is applied to the reinforcing plate 6 that is fastened together by the flange plate 5 a and the bolt 23. Thereby, although a shearing force is generated in the spot welded portions s1 and s2 of the bottom wall portion 11 and the bottom portion 4a, the abutment surface 12a is connected to the outer panel 3 via the sealer 14, so that the outer panel 3 is connected to the rear wall. It becomes the holding | suppressing of the part 12, and the load concerning the bottom wall part 11 can be distributed to the outer panel 3 side. Therefore, the shearing force received by the welded portions s1 and s2 fixing the bottom wall portion 11 to the inner panel 4 can be reduced, and the welded portions s1 and s2 can be prevented from being peeled off.
Since the rear wall portion 12 is formed substantially perpendicular to the bottom wall portion 11, the rearward movement of the reinforcing plate 6 is effectively prevented. Further, if the angles of the bottom wall portion 11 and the rear wall portion 12 and the outer panel 3 surface are made smaller than vertical, a force that presses the reinforcing plate 6 against the bottom portion 4a of the inner panel 4 is generated by the backward moving force of the reinforcing plate 6, Further, the peeling of the welded portions s2 and s3 can be prevented. Since the rear wall portion 12 is formed upward with respect to the bottom wall portion 11, it is not affected by the shape of the lower end position of the back door 2. That is, when the rear wall portion 12 is directed downward, a special space such as the lower space 18 is required, but the reinforcing plate 6 of the present application can be disposed without the lower space 18.

シーラ１４は、弾性を有するので緩衝材の役割も果たし、アウターパネル３への負荷を軽減する効果がある。また、アウターパネル３の意匠面（外観から見える面）であって、アウターパネル３と補強板６とが直接溶接できない部分で、シーラ１４は、アウターパネル３と補強板６とを間接的に接合できる効果がある。
なお、外側からアウターパネル３を見てスポット溶接の跡が見えない箇所、例えば、モール、エンブレム、ライセンスプレート等で溶接跡を外側から隠せるような箇所であれば、シーラ１４を省略して、後壁部１２とアウターパネル３とを直接溶接してもよい。
アウターパネル３の上下ビード１５，１６は、アウターパネル３を補強する。上側ビード１５は、補強板６から受けるアウターパネル３の負荷がかかる位置に近い箇所に設けているので、補強効果が大きい。
また、補強板５に形成したビード１７は補強板６を補強する。底壁部１１と後壁部１２との折曲部から上方に向けて形成したので、後壁部１２の車体の前後方向の負荷に対して補強効果がある。 Since the sealer 14 has elasticity, it also serves as a cushioning material and has an effect of reducing the load on the outer panel 3. Further, the sealer 14 indirectly joins the outer panel 3 and the reinforcing plate 6 at the design surface (the surface visible from the outside) of the outer panel 3 where the outer panel 3 and the reinforcing plate 6 cannot be directly welded. There is an effect that can be done.
If the spot of the spot welding is not visible when the outer panel 3 is seen from the outside, such as a place where the welding trace can be hidden from the outside by a molding, emblem, license plate, etc., the sealer 14 is omitted and the rear You may weld the wall part 12 and the outer panel 3 directly.
The upper and lower beads 15 and 16 of the outer panel 3 reinforce the outer panel 3. Since the upper bead 15 is provided at a location close to the position where the load on the outer panel 3 received from the reinforcing plate 6 is applied, the reinforcing effect is great.
Further, the bead 17 formed on the reinforcing plate 5 reinforces the reinforcing plate 6. Since it formed upwards from the bent part of the bottom wall part 11 and the rear wall part 12, it has a reinforcement effect with respect to the load of the rear wall part 12 in the front-back direction of the vehicle body.

以上、本発明の実施の形態について説明したが、勿論、本発明はこれに限定されることなく本発明の技術的思想に基いて種々の変形及び変更が可能である。
例えば、上記実施の形態では、補強板５に前壁部１０を形成したが、この前壁部１０は、省略してもよい。 Although the embodiments of the present invention have been described above, the present invention is of course not limited thereto, and various modifications and changes can be made based on the technical idea of the present invention.
For example, in the above embodiment, the front wall portion 10 is formed on the reinforcing plate 5, but the front wall portion 10 may be omitted.

本発明に係わるラッチアッシの補強板取付構造を採用している自動車の背面図である。It is a rear view of the motor vehicle which employ | adopted the reinforcement board attachment structure of the latch assembly concerning this invention. 図１の自動車のバックドアをアウターパネル側から見た斜視図である。It is the perspective view which looked at the back door of the car of Drawing 1 from the outer panel side. 図１の自動車のバックドアを外した状態のドア枠周辺の斜視図である。It is a perspective view of the door frame periphery of the state which removed the back door of the motor vehicle of FIG. 図１の矢視Ａ−Ａ線における断面図である。It is sectional drawing in the arrow AA line of FIG. 図４の拡大断面図である。It is an expanded sectional view of FIG. 図１の矢視Ｂ−Ｂ線における断面図である。It is sectional drawing in the arrow BB line of FIG. 図４に示す補強板の斜視図である。It is a perspective view of the reinforcement board shown in FIG. 従来のラッチアッシの補強板取付構造の断面図（図１の矢視Ａ−Ａ線に対応する図）である。It is sectional drawing (figure corresponding to the arrow AA line of FIG. 1) of the reinforcement board attachment structure of the conventional latch assembly. 従来のラッチアッシの補強板取付構造の断面図（図２の矢視Ｂ−Ｂ線に対応する図）である。It is sectional drawing (figure corresponding to the arrow BB line of FIG. 2) of the reinforcement board attachment structure of the conventional latch assembly.

符号の説明Explanation of symbols

１ 自動車
２ バックドア
３ アウターパネル
４ インナパネル
５ ラッチアッシ
６ 補強板
８ ストライカ
１０ 前壁部
１１ 底壁部
１２ 後壁部
１２ａ 当接面
１４ シーラ
１５〜１７ ビード DESCRIPTION OF SYMBOLS 1 Automobile 2 Back door 3 Outer panel 4 Inner panel 5 Latch assembly 6 Reinforcement plate 8 Striker 10 Front wall part 11 Bottom wall part 12 Rear wall part 12a Contact surface 14 Sealer 15-17 Bead

Claims (4)

ドアのインナパネルの底壁部をアウターパネルと接合し、車体側のストライカに噛合するラッチアッシの取付部材と、該取付部材の取付部を補強する補強板とを溶接とボルトにより前記底壁部に取付けているラッチアッシの補強板取付構造において、
前記補強板をアウターパネル側へ延長して前記アウターパネル面への当接部を設けたことを特徴とするラッチアッシの補強板取付構造。 The bottom wall portion of the inner panel of the door is joined to the outer panel, and a latch assembly mounting member that meshes with the striker on the vehicle body side and a reinforcing plate that reinforces the mounting portion of the mounting member are welded and bolted to the bottom wall portion. In the reinforcing plate mounting structure of the attached latch assembly,
A structure for attaching a reinforcing plate of a latch assembly, wherein the reinforcing plate is extended to the outer panel side to provide a contact portion to the outer panel surface. 前記補強板の当接部と前記アウターパネル面との間にシーラを塗布して接着したことを特徴とする請求項１に記載のラッチアッシの補強板取付構造。 The reinforcing plate mounting structure for a latch assembly according to claim 1, wherein a sealer is applied and bonded between the abutting portion of the reinforcing plate and the outer panel surface. 前記補強板を前記底壁部とアウターパネルとの境界部で折り曲げ、この折曲部の方向に沿うようにしてアウターパネルにビードを形成したことを特徴とする請求項１または２に記載のラッチアッシの補強板取付構造。 The latch assembly according to claim 1 or 2, wherein the reinforcing plate is bent at a boundary portion between the bottom wall portion and the outer panel, and a bead is formed on the outer panel along the direction of the bent portion. Reinforcing plate mounting structure. 前記補強板の折曲部から当接部にわたってビードを形成したことを特徴とする請求項３に記載のラッチアッシの補強板取付構造。 The reinforcing plate mounting structure for a latch assembly according to claim 3, wherein a bead is formed from the bent portion to the contact portion of the reinforcing plate.
JP2004239552A 2004-08-19 2004-08-19 Reinforcement plate mounting structure for latch assembly Pending JP2006056361A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009023480A (en) * 2007-07-19 2009-02-05 Mazda Motor Corp Reinforcement structure for back door latch mounting part
JP2009137430A (en) * 2007-12-06 2009-06-25 Nissan Motor Co Ltd Reinforcing structure of resin-made back door
CN101974987A (en) * 2010-09-10 2011-02-16 奇瑞汽车股份有限公司 Automobile door lock installation structure
JP2015030390A (en) * 2013-08-02 2015-02-16 マツダ株式会社 Latch unit attachment reinforcing structure of lift gate
CN108312815A (en) * 2018-01-10 2018-07-24 延锋彼欧汽车外饰***有限公司 A kind of composite material tail-gate
CN112590512A (en) * 2020-12-30 2021-04-02 上汽通用五菱汽车股份有限公司 Plastic tail door reinforced connection structure and tail door comprising same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009023480A (en) * 2007-07-19 2009-02-05 Mazda Motor Corp Reinforcement structure for back door latch mounting part
JP2009137430A (en) * 2007-12-06 2009-06-25 Nissan Motor Co Ltd Reinforcing structure of resin-made back door
CN101974987A (en) * 2010-09-10 2011-02-16 奇瑞汽车股份有限公司 Automobile door lock installation structure
JP2015030390A (en) * 2013-08-02 2015-02-16 マツダ株式会社 Latch unit attachment reinforcing structure of lift gate
CN108312815A (en) * 2018-01-10 2018-07-24 延锋彼欧汽车外饰***有限公司 A kind of composite material tail-gate
CN112590512A (en) * 2020-12-30 2021-04-02 上汽通用五菱汽车股份有限公司 Plastic tail door reinforced connection structure and tail door comprising same
CN112590512B (en) * 2020-12-30 2024-05-28 上汽通用五菱汽车股份有限公司 Plastic tail door reinforcing connection structure and tail door comprising same

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