Double-layer metal cavity plate welded through hole extending inwards and combined structure of double-layer metal cavity plate: Fid-Bau Portal

Double-layer metal cavity plate welded through hole extending inwards and combined structure of double-layer metal cavity plate

SUN TIANMING / FENG YAPING

Abstract

The invention relates to a double-layer cavity metal plate and a combined structure thereof, in particular to a double-layer metal cavity plate welded through hole inward extension and a combined structure thereof, the double-layer metal cavity plate comprises a near-end metal plate (1), a plurality of inward extension welding pieces (2) and a far-end metal plate (3), the distance between the near-end metal plate (1) and the far-end metal plate (3) is larger than 20mm and smaller than 150mm, a plurality of through holes (11) are formed in the near-end metal plate (1), and the inward extension welding pieces (2) are welded to the near-end metal plate (1). One end of the inward-extending welding piece (2) penetrates through the through hole (11), the inward-extending welding piece (2) is connected with the far-end metal plate (3) in a welded mode, and the inward-extending welding piece (2) is connected with the near-end metal plate (1) in a welded mode. The negative factors of a small cavity are converted into beneficial factors, the adopted method is simple, convenient and practical, the hole is formed in the near-end metal plate to be used for positioning the connecting pieces, the hole alignment or precise matching difficulty of the multiple connecting pieces is reduced, cost is low, and practicability is high.

本专利涉及双层空腔金属板及其组合结构，尤其涉及一种开孔内伸焊接的双层金属空腔板及其组合结构，包括近端金属板(1)，多个内伸焊接件(2)及远端金属板(3)，近端金属板(1)与远端金属板(3)间距大于20mm，小于150mm，近端金属板(1)上开有多个通孔(11)，内伸焊接件(2)一端穿过通孔(11)，内伸焊接件(2)与远端金属板(3)焊接连接，内伸焊接件(2)与近端金属板(1)焊接连接。本专利将小空腔的不利因素化为有利因素，所采用的方法简捷实用，通过在近端金属板上开孔，作为连接件的定位，降低了多个连接件的对孔或精配难度，成本低廉，实用性强。

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