JP3223746B2 - Pillar joint structure - Google Patents
Pillar joint structureInfo
- Publication number
- JP3223746B2 JP3223746B2 JP03096895A JP3096895A JP3223746B2 JP 3223746 B2 JP3223746 B2 JP 3223746B2 JP 03096895 A JP03096895 A JP 03096895A JP 3096895 A JP3096895 A JP 3096895A JP 3223746 B2 JP3223746 B2 JP 3223746B2
- Authority
- JP
- Japan
- Prior art keywords
- pillar
- welding
- center pillar
- joined
- inner member
- 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)
- Laser Beam Processing (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車の車体構造に用
いて好適の、ピラー部接合構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pillar joint structure suitable for use in a vehicle body structure.
【０００２】[0002]
【従来の技術】従来より、自動車等の車体構造におい
て、複数の部材を用いてピラー部を構成して、このピラ
ー部を車体のルーフレールとサイドシルとの間に配設す
るような車体構造が広く採用されている。かかるピラー
部は、一般に、アウタ部材とインナ部材とが各縁部にお
いて接合された構造になっている。2. Description of the Related Art Conventionally, in a vehicle body structure of an automobile or the like, there has been widely used a vehicle body structure in which a pillar portion is formed by using a plurality of members and the pillar portion is disposed between a roof rail and a side sill of the vehicle body. Has been adopted. In general, such a pillar portion has a structure in which an outer member and an inner member are joined at respective edges.
【０００３】図２は、このような従来のピラー部接合構
造を示す図であるが、図２に示すように、センタピラー
１の上端部はルーフレール２に接合され、センタピラー
１の下端部はサイドシル３に接合されている。また、図
３は上記センタピラー１の模式的な断面図であるが、通
常、図３に示すように、センタピラー１はアウタ部材１
１とインナ部材１２とリンフォース１３とから構成され
ており、図２，図３に示すように、各部材１１〜１３の
両縁に形成されたフランジ部１１Ａ〜１３Ａは、点溶接
としてのスポット溶接により溶着されている。FIG. 2 is a diagram showing such a conventional pillar portion joining structure. As shown in FIG. 2 , an upper end portion of a center pillar 1 is joined to a roof rail 2, and a lower end portion of the center pillar 1 is joined to a roof rail 2. It is joined to the side sill 3. Also figure
3 is a schematic sectional view of the center pillar 1, but normally, as shown in FIG. 3, the center pillar 1 is outer member 1
1, inner member 12 and reinforcement 13, as shown in FIGS. 2 and 3 , flange portions 11 </ b> A to 13 </ b> A formed on both edges of each of members 11 to 13 are formed by spot welding as spot welding. Welded by welding.
【０００４】一方、センタピラー１とルーフレール２と
の接合部や、センタピラー１とサイドシル３との接合部
は連続溶接としてのアーク溶接により接合されている。
なお、これらの接合部にはアーク溶接以外にもレーザ溶
接を用いて溶接している場合もある。なお、このような
箇所に用いるレーザ溶接は、具体的には、図４（ａ）に
示すような突き合わせ溶接であるが、レーザ溶接には、
この他にも、図４（ｂ）に示すようなヘミング溶接もあ
る。On the other hand, the joint between the center pillar 1 and the roof rail 2 and the joint between the center pillar 1 and the side sill 3 are joined by arc welding as continuous welding.
These joints may be welded using laser welding in addition to arc welding. The laser welding is used in such places, specifically, is a such butt welding as shown in FIG. 4 (a), the laser welding,
In addition to this, there is also a hemming welding as shown in Figure 4 (b).
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、このよ
うな従来のピラー部のフランジ部は、スポット溶接によ
る点溶接のため、アーク溶接等の連続溶接に比べて剛性
や強度が低いという課題がある。また、スポット溶接は
応力が集中し易いため、強度が必要なところはスポット
の打点数を多くする必要がある。However, such a conventional flange portion of the pillar portion has a problem that the rigidity and strength are lower than those of continuous welding such as arc welding due to spot welding by spot welding. Also, since spot welding tends to concentrate stress, it is necessary to increase the number of spots where a strength is required.
【０００６】一方、通常のアーク溶接等による連続溶接
は、溶接歪が大きく、ピラー部の溶接には適さないとい
う問題もある。ところで、特開平２−１９７３８５号公
報，特開平１−１８４６８５号公報，特開平４−８４６
８５号公報，特開平４−３２２８９０号公報には、レー
ザ光を照射することで、所要の部位を連続溶接するよう
な技術が開示されているが、車両のピラー部材における
アウタ部材とインナ部材との接合に関しては、何ら示唆
されていない。On the other hand, continuous welding by ordinary arc welding or the like has a problem that welding distortion is large and is not suitable for welding a pillar portion. Incidentally, JP-A-2-197385, JP-A-1-184885, and JP-A-4-846.
No. 85, Japanese Unexamined Patent Publication No. Hei 4-322890 discloses a technique of continuously welding required parts by irradiating a laser beam. However, an outer member and an inner member of a pillar member of a vehicle are disclosed. No suggestion is made as to the bonding of.
【０００７】本発明は、このような課題に鑑み創案され
たもので、レーザ溶接を用いることで剛性及び強度を大
幅に向上させた、ピラー部接合構造を提供することを目
的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a pillar joint structure in which rigidity and strength are greatly improved by using laser welding.
【０００８】[0008]
【課題を解決するための手段】このため、請求項１記載
の本発明のピラー部接合構造は、アウタ部材とインナ部
材とがそれぞれ縁部において接合してなる車両用ピラー
部分の接合構造であって、該ピラー部分の上端縁部及び
下端縁部において該アウタ部材と該インナ部材とが、レ
ーザ溶接により互いに接合されるとともに、他の縁部に
おいて該アウタ部材と該インナ部材とがスポット溶接に
より互いに接合されていることを特徴としている。ま
た、請求項２記載の本発明のピラー部接合構造は、上記
請求項１記載の構成に加えて、該ピラー部分が、車体の
略中央に配設されたセンタピラーであることを特徴とし
ている。[SUMMARY OF To this end, the pillar junction structure of the present invention according to claim 1, met junction structure of a vehicle pillar portion and the outer member and the inner member is formed by joining the respective edges The outer member and the inner member are joined to each other by laser welding at the upper end edge and the lower end edge of the pillar portion, and at the other edge portion .
The outer member and the inner member are joined to each other by spot welding. According to a second aspect of the present invention, in addition to the configuration of the first aspect, the pillar portion is a center pillar disposed substantially at the center of the vehicle body. .
【０００９】[0009]
【作用】上述の請求項１記載の本発明のピラー部接合構
造では、ピラー部分の上端縁部又は下端縁部においてア
ウタ部材とインナ部材とを互いにレーザ溶接により接合
し、他の縁部においてアウタ部材とインナ部材とを従来
のスポット溶接を用いて互いに接合することにより、製
造コストを抑制しつつ、十分な剛性を確保したピラー部
接合構造を実現することができる。[Action] In the pillar junction structure of the present invention of the above claim 1, wherein, A at the upper edge or lower edge portion of the pillar portion
By joining the outer member and the inner member to each other by laser welding, and joining the outer member and the inner member to each other by using conventional spot welding at the other edges, sufficient rigidity can be suppressed while suppressing the manufacturing cost. It is possible to realize the secured pillar portion joining structure.
【００１０】上述の請求項２記載の本発明のピラー部接
合構造では、車体の略中央に配設されて、剛性や強度に
対する要求の大きいセンタピラーがレーザ溶接により接
合されるので、これにより車体全体の強度が向上する。 [0010] In the pillar joint structure according to the second aspect of the present invention, the pillar portion is disposed substantially at the center of the vehicle body to reduce rigidity and strength.
The center pillar, which has a large demand for
Therefore, the strength of the entire vehicle body is improved.
【００１１】[0011]
【実施例】以下、図面により、本発明の一実施例として
のピラー部接合構造について説明すると、図１はその全
体構成を示す模式図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram showing the overall structure of a pillar joint structure according to an embodiment of the present invention.
【００１２】図１において、符号１は車体構造における
センタピラーであり、このセンタピラー１の上端は、車
体のルーフレール２に接合されるとともに、センタピラ
ー１の下端は、車体のサイドシル３に接合されている。
また、このセンタピラー１は、従来のものと同様に、ア
ウタ部材１１，インナ部材１２及びリンフォース１３と
からなっており（図３参照）、これら各部材１１〜１３
にはフランジ部（縁部）１１Ａ〜１３Ａが形成されてい
る。In FIG. 1, reference numeral 1 denotes a center pillar in a vehicle body structure. An upper end of the center pillar 1 is connected to a roof rail 2 of the vehicle body, and a lower end of the center pillar 1 is connected to a side sill 3 of the vehicle body. ing.
The center pillar 1 is composed of an outer member 11, an inner member 12, and a reinforcement 13 as in the conventional one (see FIG. 3 ).
Are formed with flange portions (edge portions) 11A to 13A.
【００１３】そして、これらのアウタ部材１１，インナ
部材１２及びリンフォース１３は各フランジ部１１Ａ〜
１３Ａ（以下、これらのフランジ部１１Ａ〜１３Ａを必
要に応じてセンタピラー１のフランジ部１Ａという）に
おいて、センタピラー１の上端部及び下端部のフランジ
部１Ａはレーザ溶接により接合されている。また、セン
タピラー１とルーフレール２との接合部及びセンタピラ
ー１とサイドシル３との接合部についても、レーザ溶接
により溶接されており、さらに、上述以外のセンタピラ
ー１のフランジ部１Ａはスポット溶接により接合されて
いる。 即ち、図１におけるＡ部及びＢ部のみにレーザ溶
接による連続溶接とし、他の部分はスポット溶接による
点溶接としているのである。 これは、センタピラー１の
上端部や下端部は捩じりに対する疲労強度が低下し易い
ためであり、他の部分は、これらセンタピラー１の上端
部や下端部ほど、応力が集中しないからである。 また、
図１に示すように、センタピラー１とルーフレール２と
の接合部及び、センタピラー１とサイドシル３との接合
部においてレーザ溶接を施すことにより、センタピラー
１とルーフレール２との接合強度やセンタピラー１とサ
イドシル３との接合強度が向上する。なお、ルーフレー
ル２やサイドシル３もセンタピラー１と同様に、アウタ
部材とインナ部材とを各フランジ部で接合した構造であ
り、これらのルーフレール２，サイドシル３の各フラン
ジ部はセンタピラー１のフランジ部と連続して接合して
いる。本発明の第一実施例としてのピラー部接合構造は
上述のように構成されているので、低コストで高い剛性
を確保したピラー部接合構造を実現することができる。
つまり、このように応力の集中する部位にレーザ溶接を
用い、そうでない部位に従来のスポット溶接を用いるこ
とで、製造コストを抑制しつつ、十分な剛性を確保した
ピラー部接合構造を実現することができるのである。 ま
た、レーザ溶接を用いる部位をセンタピラー１の上端部
や下端部に限定することで、連続溶接による溶接歪を最
小限に抑制することができる。 また、溶接歪が少なくな
るため、フランジトリムの装着作業性が向上するととも
にシール性も良好なものとなる。なお、このようなピラ
ー部接合構造は、センタピラー１に限定されるものでは
なく、他の部分のピラーに適用してもよい。 The outer member 11, the inner member 12, and the reinforcement 13 are connected to the respective flange portions 11A to 11A.
13A (hereinafter, these flange portions 11A to 13A are referred to as a flange portion 1A of the center pillar 1 as necessary) at the upper end portion and the lower end portion of the center pillar 1.
The portion 1A is joined by laser welding. Also, Sen
Joint between tapiler 1 and roof rail 2 and center pillar
Laser welding of the joint between the -1 and the side sill 3
And a center pillar other than the above.
-1 flange 1A is joined by spot welding
I have. That is, the laser welding is performed only on the portions A and B in FIG.
Continuous welding by welding and other parts by spot welding
It is point welding. This is the center pillar 1
At the upper and lower ends, the fatigue strength against torsion tends to decrease
The other parts are the upper ends of these center pillars 1.
This is because stress is less concentrated at the portion and the lower end. Also,
As shown in FIG. 1, the bonding strength of the bonded portion between the center pillar 1 and roof rail 2 and the junction smell with the center pillar 1 and the side sill 3 Te by subjecting a record over laser welding, a center pillar 1 and the roof rail 2 Also, the joining strength between the center pillar 1 and the side sill 3 is improved. The roof rail 2 and the side sill 3 also have a structure in which an outer member and an inner member are joined at respective flange portions, similarly to the center pillar 1, and each of the roof rail 2 and the side sill 3 has a flange portion of the center pillar 1. And are joined continuously. Since the pillar joint structure according to the first embodiment of the present invention is configured as described above, the rigidity is low and the rigidity is high.
Thus, it is possible to realize a pillar joint structure that ensures the above.
In other words, laser welding should be performed in such areas where stress is concentrated.
Use conventional spot welding for parts that are not.
As a result, sufficient rigidity was secured while suppressing manufacturing costs
The pillar joint structure can be realized. Ma
Also, the part using laser welding is located at the upper end of the center pillar 1.
Or at the lower end to minimize welding distortion due to continuous welding.
It can be suppressed to a minimum. Also, less welding distortion
This improves the workability of mounting the flange trim.
In addition, good sealing properties are obtained. In addition, such a pillar
The part joining structure is not limited to the center pillar 1.
Instead, it may be applied to pillars in other parts.
【００１４】[0014]
【発明の効果】以上詳述したように、請求項１記載の本
発明のピラー部接合構造によれば、アウタ部材とインナ
部材とがそれぞれ縁部において接合してなる車両用ピラ
ー部分の接合構造であって、該ピラー部分の上端縁部及
び下端縁部において該アウタ部材と該インナ部材とが、
レーザ溶接により互いに接合されるとともに、他の縁部
において該アウタ部材と該インナ部材とがスポット溶接
により互いに接合されるという構成により、低コストで
高い剛性を確保したピラー部接合構造を実現することが
できる。つまり、このように応力の集中する部位にレー
ザ溶接を用い、そうでない部位に従来のスポット溶接を
用いることで、製造コストを抑制しつつ、十分な剛性を
確保したピラー部接合構造を実現することができるので
ある。また、連続溶接による溶接歪を最小限に抑制する
ことができる利点がある。さらには、溶接歪が少なくな
るため、装着作業性が向上するとともにシール性も良好
なものとなる。As described above in detail, according to the pillar joint structure of the present invention, the outer member and the inner member are joined at the edges, respectively, at the joint structure of the vehicle pillar portion. The outer member and the inner member at the upper edge and the lower edge of the pillar portion,
Together they are joined together by laser welding, other edge
In this configuration, the outer member and the inner member are joined to each other by spot welding, so that a pillar joining structure that ensures high rigidity at low cost can be realized. In other words, by using laser welding in such places where stress is concentrated and using conventional spot welding in places where stress is not concentrated, it is possible to realize a pillar joint structure that ensures sufficient rigidity while suppressing manufacturing costs. You can do it. Further, there is an advantage that welding distortion due to continuous welding can be minimized. Further, since welding distortion is reduced, the mounting workability is improved and the sealing property is also improved.
【００１５】また、請求項２記載の本発明のピラー部接
合構造によれば、上記請求項１記載の構成に加えて、該
ピラー部分が、車体の略中央に配設されたセンタピラー
であるという構成により、車体全体の剛性が向上すると
いう利点がある。 Further, according to the pillar junction structure of the present invention described in claim 2, in addition to the above-described configuration according to claim 1, wherein
The center pillar is located at the center of the vehicle body.
By increasing the rigidity of the entire vehicle body
There are advantages.
【図１】本発明の一実施例としてのピラー部接合構造に
おける全体構成を示す模式図である。FIG. 1 is a schematic diagram showing an overall configuration of a pillar junction structure as one embodiment of the present invention.
【図２】従来のピラー部接合構造を示す模式図である。 FIG. 2 is a schematic view showing a conventional pillar portion joining structure.
【図３】従来のピラー部接合構造を示す模式的な断面図
である。 FIG. 3 is a schematic cross-sectional view showing a conventional pillar junction structure.
It is.
【図４】従来のレーザ溶接の態様を示す模式図であっ
て、（ａ）はレーザ溶接における突き合わせ溶接を示す
図、（ｂ）はレーザ溶接におけるヘミング溶接を示す図
である。 FIG. 4 is a schematic view showing a conventional laser welding mode.
(A) shows butt welding in laser welding
FIG. 1B is a diagram showing hemming welding in laser welding.
It is.
１ センタピラー １Ａ，１１Ａ〜１３Ａ フランジ部（縁部） ２ ルーフレール ３ サイドシル １１ アウタ部材 １２ インナ部材 １３ リンフォース DESCRIPTION OF SYMBOLS 1 Center pillar 1A, 11A-13A Flange part (edge) 2 Roof rail 3 Side sill 11 Outer member 12 Inner member 13 Reinforce
フロントページの続き (56)参考文献 特開 平６−182571（ＪＰ，Ａ) 特開 平４−154458（ＪＰ，Ａ) 特開 昭56−31870（ＪＰ，Ａ) 実開 昭59−120674（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B62D 25/04 Continuation of the front page (56) References JP-A-6-182571 (JP, A) JP-A-4-154458 (JP, A) JP-A-56-31870 (JP, A) , U) (58) Field surveyed (Int. Cl. 7 , DB name) B62D 25/04
Claims (2)
部において接合してなる車両用ピラー部分の接合構造で
あって、該ピラー部分の上端縁部及び下端縁部において
該アウタ部材と該インナ部材とが、レーザ溶接により互
いに接合されるとともに、他の縁部において該アウタ部
材と該インナ部材とがスポット溶接により互いに接合さ
れていることを特徴とする、ピラー部接合構造。1. A vehicle pillar structure in which an outer member and an inner member are joined at their edges, respectively.
At the upper edge and the lower edge of the pillar portion .
The outer member and the inner member are mutually connected by laser welding.
And at the other edge the outer part
A pillar joint structure , wherein the material and the inner member are joined to each other by spot welding.
れたセンタピラーであることを特徴とする、請求項１記
載のピラー部接合構造。2. The pillar joint structure according to claim 1, wherein the pillar portion is a center pillar disposed substantially at the center of the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03096895A JP3223746B2 (en) | 1995-02-20 | 1995-02-20 | Pillar joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03096895A JP3223746B2 (en) | 1995-02-20 | 1995-02-20 | Pillar joint structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08225084A JPH08225084A (en) | 1996-09-03 |
| JP3223746B2 true JP3223746B2 (en) | 2001-10-29 |
Family
ID=12318477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03096895A Expired - Lifetime JP3223746B2 (en) | 1995-02-20 | 1995-02-20 | Pillar joint structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3223746B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9399491B2 (en) | 2013-10-16 | 2016-07-26 | Toyota Jidosha Kabushiki Kaisha | Joint structure for vehicle body member, and vehicle body structure |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010116300A (en) * | 2008-11-13 | 2010-05-27 | Chofu Seisakusho Co Ltd | Method for manufacturing reformer for fuel cell |
| JP5013133B2 (en) * | 2009-03-31 | 2012-08-29 | マツダ株式会社 | Method of assembling tube frame connection structure in automobile body |
| JP5681820B2 (en) * | 2014-02-07 | 2015-03-11 | 本田技研工業株式会社 | Car body welded structure |
-
1995
- 1995-02-20 JP JP03096895A patent/JP3223746B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9399491B2 (en) | 2013-10-16 | 2016-07-26 | Toyota Jidosha Kabushiki Kaisha | Joint structure for vehicle body member, and vehicle body structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08225084A (en) | 1996-09-03 |
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