JPH0748449Y2 - Car floor structure - Google Patents
Car floor structureInfo
- Publication number
- JPH0748449Y2 JPH0748449Y2 JP2887589U JP2887589U JPH0748449Y2 JP H0748449 Y2 JPH0748449 Y2 JP H0748449Y2 JP 2887589 U JP2887589 U JP 2887589U JP 2887589 U JP2887589 U JP 2887589U JP H0748449 Y2 JPH0748449 Y2 JP H0748449Y2
- Authority
- JP
- Japan
- Prior art keywords
- floor
- cross member
- fixed
- lower horizontal
- horizontal portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Body Structure For Vehicles (AREA)
- Automotive Seat Belt Assembly (AREA)
Description
【考案の詳細な説明】 a.産業上の利用分野 本考案は、自動車のフロア構造に関するもので、詳しく
はメインフロアとリヤフロアとの接合構造に関するもの
である。[Detailed Description of the Invention] a. Field of Industrial Application The present invention relates to a floor structure of an automobile, and more particularly to a joint structure between a main floor and a rear floor.
b.従来の技術 第３図および第４図はフレームレス自動車における従来
のフロア構造を示している。b. Prior Art FIGS. 3 and 4 show a conventional floor structure in a frameless vehicle.
この自動車では、フロアの強度を高めるために、メイン
フロア１とリヤフロア２との接合部にクロスメンバ３が
添設されている。すなわち、まずクロスメンバ３の鉛直
部3aをリヤサイドメンバ４に固着し、次いでリヤフロア
２の固着部2aをクロスメンバ３の上段水平部3bに固着し
ておき、そのリヤフロア２の前端2bにメインフロア１の
後端1aを載置し、それらをクロスメンバ３の下段水平部
3cと共にスポット溶接によって互いに固着してフロアに
組付ける。第３図中、破線６はスポット溶接の配列位置
を示す。In this automobile, a cross member 3 is attached to the joint between the main floor 1 and the rear floor 2 in order to increase the strength of the floor. That is, first, the vertical portion 3a of the cross member 3 is fixed to the rear side member 4, then the fixed portion 2a of the rear floor 2 is fixed to the upper horizontal portion 3b of the cross member 3, and the front end 2b of the rear floor 2 is fixed to the main floor 1. Place the rear end 1a of the cross member 3 on the lower horizontal part of the cross member 3.
3c is fixed to each other by spot welding and assembled to the floor. In FIG. 3, the broken line 6 indicates the arrangement position of spot welding.
c.考案が解決しようとする課題 ところが、このような自動車では、メインフロア１の例
えばトンネル1bの側壁にシートベルト５の端部が係止さ
れる。したがって、メインフロア１とリヤフロア２との
接合部は、衝突の際にシートベルト５による引張り力に
も十分に耐えるように構成されなければならない。c. Problem to be Solved by the Invention However, in such an automobile, the end portion of the seat belt 5 is locked to the side wall of the main floor 1, for example, the tunnel 1b. Therefore, the joint between the main floor 1 and the rear floor 2 must be configured to sufficiently withstand the tensile force of the seat belt 5 in the event of a collision.
そこで、本考案の目的は、組付作業が容易で、メインフ
ロアとリヤフロアとの接合部に十分な強度を持たせるこ
とができ、しかも組付作業が容易な自動車のフロア構造
を提供することにある。Therefore, an object of the present invention is to provide an automobile floor structure that is easy to assemble, can have sufficient strength at the joint between the main floor and the rear floor, and is easy to assemble. is there.
d.課題を解決するための手段 本考案の自動車のフロア構造では、リヤサイドメンバに
上段水平部と下段水平部とを備えた階段状のクロスメン
バを固着し、該クロスメンバを上段水平部にリヤフロア
の固着部を重ね、該固着部から立ち上がり部を上記クロ
スメンバの鉛直部から離して下段水平部の中間部まで延
設し、その前端を下段水平部に固着し、さらにメインフ
ロアの固着部を上記クロスメンバの下段水平部に重ね、
該固着部から立ち上がり部を上記リアフロアの立ち上り
部から離して上部水平部まで延設し、上記メインフロア
の固着部を上記クロスメンバの下段水平部の先端に固着
するとともに、上記メインフロアの後端とリヤフロアの
固着部およびクロスメンバの上段水平部とを互いに固着
している。d. Means for Solving the Problems In an automobile floor structure of the present invention, a stepped cross member having an upper horizontal portion and a lower horizontal portion is fixed to a rear side member, and the cross member is attached to the upper horizontal portion on the rear floor. Of the cross member, and the rising part is extended from the vertical part of the cross member to the middle part of the lower horizontal part, and its front end is fixed to the lower horizontal part. Overlaid on the lower horizontal part of the cross member,
A rising part from the fixing part is extended to the upper horizontal part apart from the rising part of the rear floor, and the fixing part of the main floor is fixed to the tip of the lower horizontal part of the cross member and the rear end of the main floor. The fixed portion of the rear floor and the upper horizontal portion of the cross member are fixed to each other.
e.作用 本考案の自動車のフロア構造では、クロスメンバをリヤ
サイドメンバに固着し、次いでクロスメンバの上段水平
部からリヤフロアの前端を鉛直部と離して下段水平部の
中間部に固着してリヤフロア側構造体を形成しておく。
その後、リヤフロア側構造体のクロスメンバおよびリヤ
フロアと、別に形成したメインフロア構造体のメインフ
ロアとを互いに結合する。このようにして接合されたメ
インフロアとリヤフロアとの会合部には、メインフロ
ア、リヤフロアおよびクロスメンバ間に２つの閉断面空
間が形成される。e. Action In the vehicle floor structure of the present invention, the cross member is fixed to the rear side member, and then the front end of the rear floor is separated from the vertical part from the upper horizontal part of the cross member and fixed to the middle part of the lower horizontal part by the rear floor side. The structure is formed.
After that, the cross member and the rear floor of the rear floor side structure and the main floor of the separately formed main floor structure are coupled to each other. Two closed cross-section spaces are formed between the main floor, the rear floor and the cross member at the meeting portion between the main floor and the rear floor joined together in this manner.
f.実施例 第１図および第２図は本考案に係る自動車のフロア構造
を示したものである。f. Embodiment FIG. 1 and FIG. 2 show a floor structure of an automobile according to the present invention.
この自動車では、メインフロア11とリヤフロア12との会
合部にクロスメンバ13が配設されている。このクロスメ
ンバ13は、断面形状が上段水平部13bと鉛直部13aと下段
水平部13cとを備えた階段状に形成されている。そし
て、このクロスメンバ13の両端は、第２図（ｂ）に示し
たように、その鉛直部13aがリヤサイドメンバ14に当接
され、それらの当接部（Ｆ部）がスポット溶接によって
接合される。In this automobile, a cross member 13 is arranged at a meeting portion between the main floor 11 and the rear floor 12. The cross member 13 is formed in a stepped shape having a cross-sectional shape including an upper horizontal portion 13b, a vertical portion 13a, and a lower horizontal portion 13c. As shown in FIG. 2 (b), both ends of the cross member 13 have their vertical portions 13a abutted against the rear side member 14, and their abutting portions (F portions) joined by spot welding. It
上記リヤフロア12は、その前側の固着部12aがクロスメ
ンバ13の上段水平部13bに重ね合わされ、固着部12aから
立ち上がり部12cが鉛直部13aから離れて下段水平部13c
の中間部まで延設され、前端12bが下段水平部13cに重ね
合わされる。そして、リヤフロア12の前端12bとクロス
メンバ13の下段水平部13cとの当接部（Ｇ部）がスポッ
ト溶接によって接合される。また、上記メインフロア11
の後側の固着部11aは、クロスメンバ13の下段水平部13c
の先端部に重ね合わされ、さらに固着部11aから立ち上
がり部11cがリヤフロア12の立ち上り部12cから離してク
ロスメンバ13の上部水平部13bまで延設され、後端11bが
上段水平部13bにおいてリヤフロア12の固着部12aに重ね
合わされる。そして、メインフロア11の固着部11aと下
段水平部13cの先端の当接部（Ｉ部）がスポット溶接に
よって互いに接合され、メインフロア11の後端11bとリ
ヤフロア12の固着部12aおよびクロスメンバ13の上段水
平部13bとの当接部（Ｈ部）がスポット溶接によって互
いに接合される。In the rear floor 12, the fixed portion 12a on the front side is overlapped with the upper horizontal portion 13b of the cross member 13, and the rising portion 12c from the fixed portion 12a is separated from the vertical portion 13a, and the lower horizontal portion 13c.
Is extended to the middle portion, and the front end 12b is superposed on the lower horizontal portion 13c. Then, the abutting portion (G portion) between the front end 12b of the rear floor 12 and the lower horizontal portion 13c of the cross member 13 is joined by spot welding. Also, the above main floor 11
The fixed portion 11a on the rear side is the lower horizontal portion 13c of the cross member 13.
Further, the rising portion 11c from the fixed portion 11a is extended from the rising portion 12c of the rear floor 12 to the upper horizontal portion 13b of the cross member 13, and the rear end 11b of the rear floor 12 at the upper horizontal portion 13b. It is superposed on the fixed portion 12a. Then, the fixed portion 11a of the main floor 11 and the contact portion (I portion) at the tip of the lower horizontal portion 13c are joined to each other by spot welding, and the rear end 11b of the main floor 11 and the fixed portion 12a of the rear floor 12 and the cross member 13 are joined. The contact portion (H portion) with the upper horizontal portion 13b is joined to each other by spot welding.
したがって、このように構成されたフロア構造では、メ
インフロア11とリヤフロア12との接合部に、クロスメン
バ13の鉛直部13a,下段水平部13cおよびリヤフロア12の
立ち上がり部12cにより構成される閉断面構造と、リヤ
フロア12の立ち上がり部12c,クロスメンバ13の下段水平
部13cおよびメインフロア11の立ち上がり部11cにより構
成される閉断面構造の２つの閉断面構造が形成される。Therefore, in the floor structure configured as described above, the closed cross-section structure including the vertical portion 13a of the cross member 13, the lower horizontal portion 13c, and the rising portion 12c of the rear floor 12 at the joint portion between the main floor 11 and the rear floor 12. And, two closed cross-section structures of the closed cross-section structure are formed by the rising part 12c of the rear floor 12, the lower horizontal part 13c of the cross member 13, and the rising part 11c of the main floor 11.
上記フロア構造は、まずＦ部を溶接し、次いでＧ部を溶
接してリヤフロア側構造体を形成し、このリヤフロア側
構造体に、別に形成したメインフロア側構造体のメイン
フロア11を、そのＨ部およびＩ部で溶接して一体化す
る。In the above floor structure, first, the F portion is welded, and then the G portion is welded to form a rear floor side structure, and the main floor 11 of the separately formed main floor side structure is formed on the rear floor side structure. And part I are welded and integrated.
なお、第１図において、15はメインフロア11に形成した
トンネル、16はシートベルトを示し、シートベルト16は
トンネル15の側壁15aに固定されている。また、破線17
はスポット溶接の配列位置を示す。In FIG. 1, 15 is a tunnel formed on the main floor 11, 16 is a seat belt, and the seat belt 16 is fixed to a side wall 15 a of the tunnel 15. Also, dashed line 17
Indicates the array position of spot welding.
g.考案の効果 上記したように、本考案に係る自動車のフロア構造で
は、メインフロアとリヤフロアとの接合部に２つの閉断
面構造が形成されているので、十分な強度が得られ、し
かもメインフロア構造体とクロスメンバを備えたリヤフ
ロア構造体をそれぞれ別に形成しておき、それらを最終
工程で互いに接合すればよく、フロアの組付け作業が容
易である。g. Effect of the Invention As described above, in the automobile floor structure according to the present invention, since the two closed cross-section structures are formed at the joint portion between the main floor and the rear floor, sufficient strength can be obtained and the main structure The floor structure and the rear floor structure including the cross member may be separately formed, and they may be joined to each other in the final step, which facilitates the floor assembling work.
第１図および第２図は本考案に係る自動車のフロア構造
を示しており、第１図はその縦断面図斜視図、第２図
（ａ），（ｂ），（ｃ）は第１図におけるＣ−Ｃ線,D−
Ｄ線,E−Ｅ線断面図、第３図および第４図は従来の自動
車のフロア構造を示しており、第３図はその縦断面斜視
図、第４図（ａ），（ｂ）は第３図におけるＡ−Ａ線,B
−Ｂ線断面図である。 11…メインフロア、11a…固着部、11b…後端、11c…立
ち上がり部、12…リヤフロア、12a…固着部、12b…前
端、12c…立ち上がり部、13…クロスメンバ、13a…鉛直
部、13b…上段水平部、13c…下段水平部、14…リヤサイ
ドメンバ、15…トンネル、15a…側壁、16…シートベル
ト。1 and 2 show a floor structure of an automobile according to the present invention. FIG. 1 is a perspective view of a longitudinal section thereof, and FIGS. 2 (a), (b) and (c) are FIG. C-C line, D-
Sectional views taken along the line D and EE, FIGS. 3 and 4 show a floor structure of a conventional automobile. FIG. 3 is a longitudinal sectional perspective view thereof, and FIGS. 4 (a) and 4 (b) are AA line, B in FIG.
It is a -B line sectional view. 11 ... Main floor, 11a ... Fixed part, 11b ... Rear end, 11c ... Rise part, 12 ... Rear floor, 12a ... Fixed part, 12b ... Front end, 12c ... Rise part, 13 ... Cross member, 13a ... Vertical part, 13b ... Upper horizontal part, 13c ... Lower horizontal part, 14 ... Rear side member, 15 ... Tunnel, 15a ... Side wall, 16 ... Seat belt.
Claims (1)
段水平部13cとを備えた階段状のクロスメンバ13を固着
し、該クロスメンバ13の上段水平部13bにリヤフロア12
の固着部12aを重ね、該固着部12aから延びる立ち上がり
部12cを上記クロスメンバ13の鉛直部13aから離して下段
水平部13cの中間部まで延設し、その前端12bを下段水平
部13cに固着し、さらにメインフロア11の固着部11aを上
記クロスメンバ13の下段水平部13cに重ね、該固着部11a
から延びる立ち上がり部11cを上記リアフロア12の立ち
上り部12cから離して上部水平部13bまで延設し、上記メ
インフロア11の固着部11aを上記クロスメンバ13の下段
水平部13cの先端に固着するとともに、上記メインフロ
ア11の後端11bとリヤフロア12の固着部12aおよびクロス
メンバ13の上段水平部13bとを互いに固着したことを特
徴とする自動車のフロア構造。1. A stepped cross member 13 having an upper horizontal portion 13b and a lower horizontal portion 13c is fixed to a rear side member 14, and the rear floor 12 is fixed to the upper horizontal portion 13b of the cross member 13.
Of the cross member 13 is separated from the vertical portion 13a of the cross member 13 and extends to the middle portion of the lower horizontal portion 13c, and its front end 12b is fixed to the lower horizontal portion 13c. Then, the fixing portion 11a of the main floor 11 is further overlaid on the lower horizontal portion 13c of the cross member 13, and the fixing portion 11a
A rising part 11c extending from the rising part 12c of the rear floor 12 is extended to the upper horizontal part 13b, and the fixing part 11a of the main floor 11 is fixed to the tip of the lower horizontal part 13c of the cross member 13, and A floor structure for an automobile, characterized in that the rear end 11b of the main floor 11, the fixing portion 12a of the rear floor 12, and the upper horizontal portion 13b of the cross member 13 are fixed to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2887589U JPH0748449Y2 (en) | 1989-03-14 | 1989-03-14 | Car floor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2887589U JPH0748449Y2 (en) | 1989-03-14 | 1989-03-14 | Car floor structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02121382U JPH02121382U (en) | 1990-10-02 |
| JPH0748449Y2 true JPH0748449Y2 (en) | 1995-11-08 |
Family
ID=31252595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2887589U Expired - Lifetime JPH0748449Y2 (en) | 1989-03-14 | 1989-03-14 | Car floor structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0748449Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016133120A1 (en) * | 2015-02-18 | 2016-08-25 | 本田技研工業株式会社 | Vehicle rear end structure |
-
1989
- 1989-03-14 JP JP2887589U patent/JPH0748449Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02121382U (en) | 1990-10-02 |
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