Joining structure
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorJUNJI FUJIWARA
Life of this patent
Estimating the term…
Abstract
Second member (20) includes a material that is difficult to weld to first member (10). First member (10) is provided with non-through hole (11) having a depth not penetrating in a thickness direction. Third member (30) is welded, via penetrating part (21) of second member (20), to an inner peripheral surface and a bottom of non-through hole (11) and opening surface (10a) of first member (10) opened by penetrating part (11) of second member (20). Second member (20) is compressed by flange (31) and first member (10) by solidification contraction of third member (30), and second member (20) is therefore fixed between flange (31) of third member (30) and first member (10).
Claims14
A joining structure joining, to each other, a first member including a metal material, a second member including a material that is difficult to weld to the first member, and a third member including a filler material welded to the first member, wherein
- the first member includes a non-through hole having a depth not penetrating in a thickness direction,
- the second member includes a penetrating part that opens at a position corresponding to the non-through hole,
- the third member includes a flange that presses a peripheral edge of the penetrating part, and is arc-welded, via the penetrating part, to an inner peripheral surface and a bottom of the non-through hole of the first member and an opening surface of the first member opened by the penetrating part of the second member, and
- the second member is compressed by the flange and the first member by solidification contraction of the third member, and thus the second member is fixed between the flange and the first member.
A joining structure comprising:
- a first member having an upper surface, a lower surface opposite to the upper surface, and a non-through hole disposed on the upper surface, the first member including a metal material;
- a second member including a penetrating part that opens at a position corresponding to the non-through hole and is larger than the non-through hole, and a peripheral edge that defines the penetrating part, including a material that is difficult to weld to the first member, and disposed on the upper surface of the first member;
- and
- a third member including a welded part arc-welded to an inner peripheral surface and a bottom of the non-through hole and a periphery of the non-through hole on the upper surface of the first member, and a flange connected to the welded part via the penetrating part and covering the peripheral edge, the third member including a filler material welded to the first member, wherein the second member is compressed by the flange and the first member by solidification contraction of the third member and thus fixed between the flange and the first member.
A joining method comprising:
- preparing a first member that has an upper surface and a lower surface opposite to the upper surface, includes a non-through hole disposed on the upper surface, and includes a metal material;
- preparing a second member that includes a penetrating part and a peripheral edge defining the penetrating part, and includes a material that is difficult to weld to the first member;
- arranging the second member on the upper surface of the first member for the penetrating part to be located corresponding to the non-through hole and for an opening surface of the first member opened by the penetrating part to be formed;
- forming a third member including a filler material welded to the first member by arc-welding, via the penetrating part, to an inner peripheral surface and a bottom of the non-through hole of the first member and the opening surface of the first member, the third member including a flange that presses the peripheral edge;
- and
- fixing the second member between the flange and the first member by the second member being compressed by the flange and the first member by solidification contraction of the third member.
Dependencies are inferred from the claim text.