JPH04313469A - Spot welding structure for pipe - Google Patents
Spot welding structure for pipeInfo
- Publication number
- JPH04313469A JPH04313469A JP3108662A JP10866291A JPH04313469A JP H04313469 A JPH04313469 A JP H04313469A JP 3108662 A JP3108662 A JP 3108662A JP 10866291 A JP10866291 A JP 10866291A JP H04313469 A JPH04313469 A JP H04313469A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- welding
- spot
- spot welding
- plate
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Resistance Welding (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、鉄道車両や自動車のシ
ートフレームに適用されるパイプのスポット溶接構造に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe spot welding structure applied to seat frames of railway vehicles and automobiles.
【０００２】0002
【従来の技術】従来、自動車のシートフレームにおいて
は、図４に示す如く、円形のパイプ１と板２とがスポッ
ト溶接されて一体化されている。2. Description of the Related Art Conventionally, in an automobile seat frame, a circular pipe 1 and a plate 2 are spot-welded and integrated, as shown in FIG.
【０００３】0003
【発明が解決しようとする課題】しかしながら、従来技
術では図５に示す如く、上部電極３と下部電極４とによ
る加圧によりパイプ１に歪み５が生じ、この歪み５によ
り溶接部６の加圧力にバラツキが出やすく溶接状態が不
安定となるという問題点がある。[Problems to be Solved by the Invention] However, in the prior art, as shown in FIG. 5, a strain 5 is generated in the pipe 1 due to the pressure applied by the upper electrode 3 and the lower electrode 4, and this strain 5 reduces the pressure applied to the welded portion 6. There is a problem that the welding condition tends to be unstable due to variations in the welding condition.
【０００４】また、図６に示す如く、上部電極３と下部
電極４とによる加圧によりパイプ１に局部変形７が生じ
、このため接触抵抗の違いにより溶接状態が不安定とな
るという問題点がある。Further, as shown in FIG. 6, local deformation 7 occurs in the pipe 1 due to the pressure applied by the upper electrode 3 and the lower electrode 4, which causes the problem that the welding condition becomes unstable due to the difference in contact resistance. be.
【０００５】即ち、パイプ１の剛性不足により生ずる溶
接状態の不安定さが問題であり、溶接品質の信頼性が低
い継手構造となっている。本発明はかかる事情に鑑みて
なされたものであり、溶接状態を安定化して溶接品質の
信頼性の向上が図れるパイプのスポット溶接構造を提供
することを目的とするものである。That is, the problem is that the welding condition is unstable due to insufficient rigidity of the pipe 1, resulting in a joint structure with low reliability in welding quality. The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a pipe spot welding structure that can stabilize the welding state and improve the reliability of welding quality.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
、本発明は、板にスポット溶接されるパイプにおいて、
加圧方向に補強部としての梁を設けたことを特徴として
いる。[Means for Solving the Problems] In order to achieve the above object, the present invention provides a pipe that is spot welded to a plate.
A feature is that a beam is provided as a reinforcing portion in the pressurizing direction.
【０００７】[0007]
【作用】上記構成とすることにより、板にスポット溶接
されるパイプに、加圧方向に補強部としての梁を設けた
ので、パイプの剛性がアップしてスポット溶接時の歪み
や局部変形がなくなり、溶接品質の信頼性が向上する。[Function] With the above configuration, the pipe that is spot welded to the plate is provided with a beam as a reinforcing part in the pressure direction, increasing the rigidity of the pipe and eliminating distortion and local deformation during spot welding. , the reliability of welding quality is improved.
【０００８】[0008]
【実施例】以下、本発明の実施例を図１乃至図３に基づ
いて説明する。第１実施例を示す図１において、板２に
スポット溶接される円形のパイプ１１は本実施例では軽
合金の押出し材からなり、このパイプ１１においては、
加圧方向に補強部としての梁１１ａが設けられている。Embodiments Hereinafter, embodiments of the present invention will be explained based on FIGS. 1 to 3. In FIG. 1 showing the first embodiment, a circular pipe 11 spot-welded to a plate 2 is made of extruded light alloy material in this embodiment, and in this pipe 11,
A beam 11a serving as a reinforcing portion is provided in the pressurizing direction.
【０００９】従って、この第１実施例では、スポット溶
接時においては、パイプ１１にあって梁１１ａの存在に
より剛性がアップして歪みや局部変形が生じず、溶接品
質の信頼性を向上させることができる。Therefore, in this first embodiment, during spot welding, the presence of the beam 11a in the pipe 11 increases the rigidity, prevents distortion and local deformation, and improves the reliability of welding quality. Can be done.
【００１０】また、スポット溶接時、加圧による歪みや
局部変形がなく、点溶接に近いため従来より電流値を下
げることができて省エネ効果が達成できる。[0010] Furthermore, during spot welding, there is no distortion or local deformation due to pressure, and since it is similar to spot welding, the current value can be lowered than in the past, and an energy saving effect can be achieved.
【００１１】また、ａ−ａ軸廻りの断面２次モーメント
が梁１１ａにより増大するため、等価断面２次モーメン
トにおける薄肉化を図ることにより軽量化が可能となる
（表１参照）。Furthermore, since the moment of inertia of area around the a-a axis is increased by the beam 11a, it is possible to reduce the weight by reducing the thickness of the equivalent moment of inertia of area (see Table 1).
【００１２】0012
【表１】[Table 1]
【００１３】第２実施例として図２に角パイプ１２の例
を示す。この実施例においても補強部としての梁１２ａ
が設けられているが、丸パイプに限らず矩形断面のパイ
プにおいても第１実施例と同様の効果が得られる。As a second embodiment, an example of a square pipe 12 is shown in FIG. Also in this embodiment, the beam 12a serves as a reinforcing portion.
However, the same effects as in the first embodiment can be obtained not only for round pipes but also for pipes with a rectangular cross section.
【００１４】また、図３は第３実施例を示しているが、
円形のパイプ１１においてスポット溶接時のナゲット形
成部をフラット状（平面部１１ｂ）に成形しておくと、
板重ね溶接に近い状態の更に信頼性の高い溶接ができる
。Furthermore, although FIG. 3 shows a third embodiment,
If the nugget forming part at the time of spot welding in the circular pipe 11 is formed into a flat shape (plane part 11b),
It is possible to perform more reliable welding in a state similar to sheet overlap welding.
【００１５】[0015]
【発明の効果】以上述べた如く、本発明によれば、板に
スポット溶接されるパイプにおいて、加圧方向に補強部
としての梁を設けたので、剛性がアップして溶接品質の
信頼性を向上させることができる。[Effects of the Invention] As described above, according to the present invention, in a pipe to be spot welded to a plate, a beam is provided as a reinforcing portion in the pressurizing direction, so that the rigidity is increased and the reliability of welding quality is improved. can be improved.
【００１６】また、点溶接に近いため従来より電流値を
下げることができて省エネ効果が達成できると共に、横
軸廻りの断面２次モーメントが梁により増大するため、
等価断面２次モーメントにおける薄肉化を図ることによ
り軽量化が達成できる。In addition, since it is similar to spot welding, the current value can be lowered than in the past, resulting in an energy saving effect, and the second moment of inertia around the horizontal axis increases due to the beam.
Weight reduction can be achieved by reducing the thickness in terms of the equivalent moment of inertia of area.
【００１７】さらに、接合面では、リベティングに替わ
る工法として組立工数の削減が実現できるだけでなく設
計自由度を向上させることができる。[0017]Furthermore, on the joint surface, as a construction method that replaces riveting, it is possible not only to reduce the number of assembly steps but also to improve the degree of freedom in design.
【図１】本発明に係る第１実施例の正面説明図である。FIG. 1 is an explanatory front view of a first embodiment of the present invention.
【図２】本発明に係る第２実施例の正面説明図である。FIG. 2 is an explanatory front view of a second embodiment of the present invention.
【図３】本発明に係る第３実施例の正面説明図である。FIG. 3 is an explanatory front view of a third embodiment of the present invention.
【図４】従来技術の正面説明図である。FIG. 4 is a front explanatory view of the prior art.
【図５】従来技術の別の正面説明図である。FIG. 5 is another front explanatory view of the prior art.
【図６】従来技術のさらに別の正面説明図である。FIG. 6 is yet another front explanatory view of the prior art.
１１，１２ パイプ １１ａ，１２ａ 梁 11,12 pipe 11a, 12a Beam
Claims (1)
て、加圧方向に補強部としての梁を設けたことを特徴と
するパイプのスポット溶接構造。1. A pipe spot welding structure, characterized in that the pipe is spot welded to a plate, and a beam is provided as a reinforcing part in the pressurizing direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10866291A JP3182654B2 (en) | 1991-04-12 | 1991-04-12 | Spot welding structure of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10866291A JP3182654B2 (en) | 1991-04-12 | 1991-04-12 | Spot welding structure of pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04313469A true JPH04313469A (en) | 1992-11-05 |
| JP3182654B2 JP3182654B2 (en) | 2001-07-03 |
Family
ID=14490502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10866291A Expired - Fee Related JP3182654B2 (en) | 1991-04-12 | 1991-04-12 | Spot welding structure of pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3182654B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2417706A (en) * | 2004-09-01 | 2006-03-08 | Yick Shun Dev Ltd | Spot welding heater tube to flange |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9833098B2 (en) | 2009-07-14 | 2017-12-05 | Loominocity, Inc. | Architecture for routing multi-channel commands via a tree column |
-
1991
- 1991-04-12 JP JP10866291A patent/JP3182654B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2417706A (en) * | 2004-09-01 | 2006-03-08 | Yick Shun Dev Ltd | Spot welding heater tube to flange |
| GB2417706B (en) * | 2004-09-01 | 2006-11-01 | Yick Shun Dev Ltd | Stainless steel heater tube and welding procedure for preparation thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3182654B2 (en) | 2001-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |