Ventilating fan mounting bracket

A mounting bracket assembly for a ventilating fan, comprising a first bracket, a second bracket, and a bracket fixing member, wherein

• the first bracket is provided with a U-shaped groove and is provided at an end thereof with a first supporting leg folded into an L-shape;
• the second bracket is provided with a U-shaped groove and is provided at an end thereof with a second supporting leg folded into an L-shape, and a root portion of the second supporting leg is provided at two sides thereof with slots;
• the second bracket is engaged into the U-shaped groove of the first bracket and can be slidable in the U-shaped groove of the first bracket to adjust a length of the bracket assembly;
• the bracket fixing member is provided with a C-shaped groove;
• the first bracket and the second bracket combined together are engaged and inserted into the C-shaped groove of the bracket fixing member from a side of the C-shaped groove of the bracket fixing member and can be slidable in the C-shaped groove;
• the bracket fixing member is engaged with the first bracket by the C-shaped groove and the first bracket and the second bracket combined together are fixed to a ventilating fan body,
• a bottom face of the bracket fixing member is provided with two openings, each comprising a larger middle portion and two ends in slit structures;
• and the two openings are provided horizontally, but each is tilted outwardly and downwardly, and the two openings are different in orientation;
• the two openings each forms a tilting structure with respect to the bottom face of the bracket fixing member;
• the bracket fixing member is fixed to the ventilating fan body by passing screws through the larger middle portion and openings in the ventilating fan body.

A mounting bracket assembly for a ventilating fan, comprising a first bracket, a second bracket, and a bracket fixing member, wherein

• the first bracket is provided with a U-shaped groove and is provided at an end thereof with a first supporting leg folded into an L-shape;
• the second bracket is provided with a U-shaped groove and is provided at an end thereof with a second supporting leg folded into an L-shape, and a root portion of the second supporting leg is provided at two sides thereof with slots;
• the second bracket is engaged into the U-shaped groove of the first bracket and can be slidable in the U-shaped groove of the first bracket to adjust a length of the bracket assembly;
• the bracket fixing member is provided with a C-shaped groove;
• the first bracket and the second bracket combined together are engaged and inserted into the C-shaped groove of the bracket fixing member from a side of the C-shaped groove of the bracket fixing member and can be slidable in the C-shaped groove;
• the bracket fixing member is engaged with the first bracket by the C-shaped groove and the first bracket and the second bracket combined together are fixed to a ventilating fan body;
• a bottom face of the bracket fixing member is provided with two openings, each comprising a larger middle portion and two ends in slit structures;
• and the two openings are provided horizontally, but each is tilted outwardly and downwardly, and the two openings are different in orientation;
• the two openings each forms a tilting structure with respect to the bottom face of the bracket fixing member;
• the ventilating fan body is provided with protruding sheets, and the sheets pass through the two openings, of the bracket fixing member, so that the bracket fixing member is fixed to the ventilating fan body by means of riveting.