Hinge in particular for household appliance

A hinge for a household appliance, adapted to connect together at least one closing element (1, 1′) with the body (2) of said household appliance (3) at an opening (4) provided in said body, said hinge allowing to roto-translate said closing element (1, 1′) between a first operating position (P1) in which it closes said opening (4), to a second operating position (P2, P3) angularly spaced by at least 90° with respect to said first operating position (P1),

• said hinge comprising:
• a first support structure (5) comprising a first flat wall (5D) adapted to be constrained to a front bearing structure or wall (2A) of the body (2) of said household appliance (3),
• a second support structure (6) comprising a second flat wall (6D) adapted to be constrained to said closing element (1, 1′),
• a first (7) and a second (8) connecting element adapted to connect together said first (5) and second (6) support structures,
• and a first elastically deformable member (9) which interacts with at least one (8) of said two connecting elements to exert a force that pushes said closing element (1, 1′) against said opening (4) of the body (2) of the household appliance at least when said closing element (1, 1′) is in its first operating position (P1),
• wherein said first and second connecting elements (7, 8) and the first and second support structures (5, 6) form an articulated quadrilateral system (10):
• the four components of said articulated quadrilateral system (10) comprising:
• said first connecting element (7), said second connecting element (8), and at least one first (5A) and one second (6A) portion of said first (5) and second (6) support structures, respectively,
• said articulated quadrilateral system (10) being adapted to define a member for opening and closing said closing element (1, 1′) between said operating positions (P1-P3),
• said articulated quadrilateral system (10) comprising hinge elements (12) of end portions (7A, 7B, 8A, 8B) of said first (7) and second (8) connecting elements for connection to said first (5) and second (6) support structures,
• wherein in a closed position (C) of the articulated quadrilateral system (10), said closing element (1, 1′) closes said opening (4) of the body (2) of the household appliance, and said first and second flat walls (5D, 6D), of the first (5) and second (6) support structures respectively, are substantially parallel to each other,
• wherein:
• in the closed position (C) of the articulated quadrilateral system (10) the hinge axes (A1, A2, A3, A4) of the articulated quadrilateral system (10) define:
• a first distance (D1) defined by the line passing through the hinge axes (A1, A2) provided in a first end (7A) and in a second end (7B) of the first connecting element (7),
• a second distance (D2) defined by the line passing through the hinge axes (A3, A4) provided in a first end (8A) and in a second end (8B) of the second connecting element (8),
• a third distance (D3) defined by the line passing through the hinge axes (A1, A3) provided in the first end (7A) of the first connecting element (7) and the first end (8A) of the second connecting element (8),
• a fourth distance (D4) defined by the line passing through the hinge axes (A2, A4) provided in the second end (7B) of the first connecting element (7) and the second end (8B) of the second connecting element (8),
• wherein:
• the first distance (D1) is between 150.48 mm and 152.48 mm,
• the second distance (D2) is between 121.81 mm and 123.81 mm,
• the third distance (D3) is between 45.69 mm and 47.69 mm,
• the fourth distance (D4) is between 19.12 mm and 21.12 mm;
• wherein one (8) of said two connecting elements comprises an upper wall (20A) and a lower wall (20B), substantially flat and parallel to each other and connected to each other by a vertical part (20C), which define a body with a 90° reversed U-shaped cross-section so as to make its production simple and make it more stable and resistant to bending.

A hinge for a household appliance, adapted to connect together at least one closing element (1, 1′) with the body (2) of said household appliance (3) at an opening (4) provided in said body, said hinge allowing to roto-translate said closing element (1, 1′) between a first operating position (P1) in which it closes said opening (4), to a second operating position (P2, P3) angularly spaced by at least 90° with respect to said first operating position (P1),

• said hinge comprising:
• a first support structure (5) comprising a first flat wall (5D) adapted to be constrained to a front bearing structure or wall (2A) of the body (2) of said household appliance (3),
• a second support structure (6) comprising a second flat wall (6D) adapted to be constrained to said closing element (1, 1′),
• a first (7) and a second (8) connecting element adapted to connect together said first (5) and second (6) support structures,
• and a first elastically deformable member (9) which interacts with at least one (8) of said two connecting elements to exert a force that pushes said closing element (1, 1′) against said opening (4) of the body (2) of the household appliance at least when said closing element (1, 1′) is in its first operating position (P1),
• wherein said first and second connecting elements (7, 8) and the first and second support structures (5, 6) form an articulated quadrilateral system (10):
• the four components of said articulated quadrilateral system (10) comprising:
• said first connecting element (7), said second connecting element (8), and at least one first (5A) and one second (6A) portion of said first (5) and second (6) support structures, respectively,
• said articulated quadrilateral system (10) being adapted to define a member for opening and closing said closing element (1, 1′) between said operating positions (P1-P3),
• said articulated quadrilateral system (10) comprising hinge elements (12) of end portions (7A, 7B, 8A, 8B) of said first (7) and second (8) connecting elements for connection to said first (5) and second (6) support structures,
• wherein in a closed position (C) of the articulated quadrilateral system (10), said closing element (1, 1′) closes said opening (4) of the body (2) of the household appliance, and said first and second flat walls (5D, 6D), of the first (5) and second (6) support structures respectively, are substantially parallel to each other,
• wherein:
• in the closed position (C) of the articulated quadrilateral system (10) the hinge axes (A1, A2, A3, A4) of the articulated quadrilateral system (10) define:
• a first distance (D1) defined by the line passing through the hinge axes (A1, A2) provided in a first end (7A) and in a second end (7B) of the first connecting element (7),
• a second distance (D2) defined by the line passing through the hinge axes (A3, A4) provided in a first end (8A) and in a second end (8B) of the second connecting element (8),
• a third distance (D3) defined by the line passing through the hinge axes (A1, A3) provided in the first end (7A) of the first connecting element (7) and the first end (8A) of the second connecting element (8),
• a fourth distance (D4) defined by the line passing through the hinge axes (A2, A4) provided in the second end (7B) of the first connecting element (7) and the second end (8B) of the second connecting element (8),
• wherein:
• the first distance (D1) is between 150.48 mm and 152.48 mm,
• the second distance (D2) is between 121.81 mm and 123.81 mm,
• the third distance (D3) is between 45.69 mm and 47.69 mm,
• the fourth distance (D4) is between 19.12 mm and 21.12 mm;
• wherein the hinge comprises a member (17) for adjusting the hinge maximum opening position (P2, P3), and in that said adjustment member (17) is positioned on one of the two connecting elements (8) and acts on the other (7) by limiting the approach between the same (7 and 8).