JPH0259892U

JPH0259892U -

Info

Publication number: JPH0259892U
Application number: JP1988138500U
Authority: JP
Priority date: 1988-10-24
Filing date: 1988-10-24
Publication date: 1990-05-01

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１、第２図は本考案の第１実施例を示し、第
１図は要部破断正面図、第２図は第１図の分解図
、第３〜第５図は本考案の第２実施例を示し、第
３図は全体の縦断正面図、第４図は第１図の要部
拡大図、第５図は第４図の分解図、第６、第７図
は本考案の第３実施例を示し、第６図は要部破断
正面図、第７図は第６図の分解図である。ｓ，ｓ_１，ｓ_２……空間、ｂ……裏側ビード、
１，５……棒材（被溶接物）、２，６，１５_１，
１５_２，１９，２０……端面、３，１６_１，１６
_２……凸部、４，８，２１_１，２１_２，２２，２
３……環状溝（凹所）、７……凹部、８_１……環
状凹所、１２_１，１２_２……第１、第２中空端部
（被溶接物）、１４_１，１４_２……第１、第２中
空中間部（被溶接物）、１７，１８……中空部（
凹部）。 1 and 2 show the first embodiment of the present invention, FIG. 1 is a front view with the main parts cut away, FIG. 2 is an exploded view of FIG. 1, and FIGS. 3 to 5 are the second embodiment of the present invention. 3 is a vertical sectional front view of the whole, FIG. 4 is an enlarged view of the main part of FIG. 1, FIG. 5 is an exploded view of FIG. 4, and FIGS. Embodiment 3 is shown, and FIG. 6 is a front view with a main part cut away, and FIG. 7 is an exploded view of FIG. 6. s, s ₁ , s ₂ ... space, b ... back side bead,
1, 5...Bar material (object to be welded), 2, 6, 15 ₁ ,
15 ₂ , 19, 20 ... end face, 3, 16 ₁ , 16
₂ ...Protrusion, 4, 8, 21 ₁ , 21 ₂ , 22, 2
3... annular groove (recess), 7... recess, 8 ₁ ... annular recess, 12 ₁ , 12 ₂ ... first and second hollow ends (workpiece), 14 ₁ , 14 ₂ ... ...First and second hollow intermediate parts (workpieces), 17, 18...Hollow parts (
recess).

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

一方の被溶接物の端面に存する凸部を、他方の
被溶接物の端面に存する凹部に圧入して両端面を
突合せ、それら端面の外周部相互を高エネルギビ
ームにより溶接した突合せ溶接継手構造において
、両被溶接物の端面に、それぞれ互に協働して裏
側ビード形成用空間を画成する凹所を備えたこと
を特徴とする突合せ溶接継手構造。 In a butt-welded joint structure in which a convex part on the end face of one workpiece is press-fitted into a recess on the end face of the other workpiece, the two end faces are brought together, and the outer peripheries of the end faces are welded together using a high-energy beam. , a butt weld joint structure characterized in that the end faces of both objects to be welded are provided with recesses that cooperate with each other to define a space for forming a back bead.