Fan capable of catching flying mosquitoes

1 . A fan capable of catching flying mosquitoes, comprising a housing ( 1 ), a rear of the housing ( 1 ) being an air inlet end ( 2 ), a front of the housing ( 1 ) being an air outlet end ( 3 ), and an air flow chamber being provided inside the housing ( 1 ), wherein a mosquito dropping opening ( 4 ) is provided at a front side position of a lower end of a side wall of the housing ( 1 ) and a ventilation opening ( 5 ) is provided at a rear side position of the lower end of the side wall of the housing, a mosquito collecting box ( 6 ) is mounted at the lower end of the side wall of the housing ( 1 ), and an air return chamber is provided inside the mosquito collecting box ( 6 ); an air inlet ( 7 ) that communicates with the mosquito dropping opening ( 4 ) is provided on a front side of an upper end face of the mosquito collecting box ( 6 ), an air outlet ( 8 ) that communicates with the ventilation opening ( 5 ) is provided on a rear side of the upper end face of the mosquito collecting box ( 6 ), and a mosquito blocking member ( 19 ) is provided in the air return chamber between the air inlet ( 7 ) and the air outlet ( 8 ); the air return chamber is configured to allow airflow to enter from the air inlet ( 7 ) and exit from the air outlet ( 8 );

wherein the mosquito collecting box ( 6 ) comprises a box body ( 15 ) having an opening at an upper end thereof, and a baffle ( 16 ) mounted at a rear of the opening of the box body ( 15 ), a front edge of the baffle ( 16 ) forming the air inlet ( 7 ), the air inlet ( 7 ) being aligned with both left and right edges and a front edge of the opening of the box body ( 15 ), and the air outlet ( 8 ) is provided at a rear end of the baffle ( 16 );

wherein a front side of an upper face of the baffle ( 16 ) includes a magnetic groove ( 17 ), and a magnetic member is mounted in the magnetic groove ( 17 ).

2 . The fan capable of catching flying mosquitoes according to claim 1 , wherein a mounting position for the mosquito collecting box ( 6 ) is provided at the lower end of the side wall of the housing ( 1 ), a positioning fence ( 12 ) arranged around the mounting position is provided at the lower end of the side wall of the housing ( 1 ), all the positioning fences ( 12 ) are enclosed in a mounting groove ( 13 ) of a frame-shaped structure, the air inlet ( 7 ) is arranged at a front side of a groove bottom of the mounting groove ( 13 ), and the air outlet ( 8 ) is arranged at the rear side of the groove bottom of the mounting groove ( 13 ); the upper end of the mosquito collecting box ( 6 ) is fitted into the mounting groove ( 13 ).

3 . The fan capable of catching flying mosquitoes according to claim 2 , wherein a first magnetic groove ( 14 ) is provided in a middle portion of the groove bottom of the mounting groove ( 13 ), a first magnetic member is mounted in the first magnetic groove ( 14 ), and a second magnetic member is provided in a middle portion of the upper end face of the mosquito collecting box ( 6 ) to cooperate with the first magnetic member.

4 . The fan capable of catching flying mosquitoes according to claim 1 , wherein a front side wall of the box body ( 15 ) is provided with a guide slope ( 18 ) inclined toward a rear side of the box body ( 15 ).

5 . The fan capable of catching flying mosquitoes according to claim 4 , wherein the mosquito blocking member ( 19 ) is hingedly mounted between a left side wall and a right side wall-of the box body ( 15 ), a left side and a right side of the mosquito blocking member ( 19 ) are respectively adjacent to the left side wall and the right side wall of the box body ( 15 ), and a lower edge of the mosquito blocking member ( 19 ) is adjacent to or abuts against a lower side position of the guide slope ( 18 ) or an inner bottom face of the box body ( 15 ).

6 . The fan capable of catching flying mosquitoes according to claim 1 , wherein a mosquito blocking net ( 11 ) is provided in the housing ( 1 ) at a position adjacent to the air outlet end ( 3 ).

7 . The fan capable of catching flying mosquitoes according to claim 1 , wherein the side wall of the housing ( 1 ) is provided with a plurality of auxiliary air intake holes ( 10 ) along the circumference at a position adjacent to the air inlet end ( 2 ), the ventilation opening ( 5 ) communicates with the auxiliary air intake holes ( 10 ) at the lower end of the side wall of the housing ( 1 ), and a mosquito trap lamp is provided at the air inlet end ( 2 ) of the housing ( 1 ).

8 . The fan capable of catching flying mosquitoes according to claim 1 , wherein the mosquito collecting box ( 6 ) is provided with an isolation net ( 9 ) at the air outlet ( 8 ).

9 . A fan capable of catching flying mosquitoes, comprising a housing ( 1 ), a rear of the housing ( 1 ) being an air inlet end ( 2 ), a front of the housing ( 1 ) being an air outlet end ( 3 ), and an air flow chamber being provided inside the housing ( 1 ), wherein a mosquito dropping opening ( 4 ) is provided at a front side position of a lower end of a side wall of the housing ( 1 ) and a ventilation opening ( 5 ) is provided at a rear side position of the lower end of the side wall of the housing, a mosquito collecting box ( 6 ) is mounted at the lower end of the side wall of the housing ( 1 ), and an air return chamber is provided inside the mosquito collecting box ( 6 ); an air inlet ( 7 ) that communicates with the mosquito dropping opening ( 4 ) is provided on the front side of an upper end face of the mosquito collecting box ( 6 ), an air outlet ( 8 ) that communicates with the ventilation opening ( 5 ) is provided on a rear side of the upper end face of the mosquito collecting box ( 6 ), and a mosquito blocking member ( 19 ) is provided in the air return chamber between the air inlet ( 7 ) and the air outlet ( 8 );

wherein the mosquito collecting box ( 6 ) comprises a box body ( 15 ) having an opening at an upper end thereof, and a baffle ( 16 ) mounted at a rear of the opening of the box body ( 15 ), a front edge of the baffle ( 16 ) forming an air inlet ( 7 ), the air inlet ( 7 ) being aligned with both left and right edges and a front edge of the opening of the box body ( 15 ), and the air outlet ( 8 ) is provided at a rear end of the baffle ( 16 ); and

wherein a front side of an upper face of the baffle ( 16 ) includes a magnetic groove ( 17 ), and a magnetic member is mounted in the magnetic groove ( 17 ).

10 . A fan capable of catching flying mosquitoes, comprising a housing ( 1 ), a rear of the housing ( 1 ) being an air inlet end ( 2 ), a front of the housing ( 1 ) being an air outlet end ( 3 ), and an air flow chamber being provided inside the housing ( 1 ), wherein a mosquito dropping opening ( 4 ) is provided at a front side position of a lower end of a side wall of the housing ( 1 ) and a ventilation opening ( 5 ) is provided at a rear side position of the lower end of the side wall of the housing, a mosquito collecting box ( 6 ) is mounted at the lower end of the side wall of the housing ( 1 ), and an air return chamber is provided inside the mosquito collecting box ( 6 ); an air inlet ( 7 ) that communicates with the mosquito dropping opening ( 4 ) is provided on the front side of an upper end face of the mosquito collecting box ( 6 ), an air outlet ( 8 ) that communicates with the ventilation opening ( 5 ) is provided on a rear side of the upper end face of the mosquito collecting box ( 6 ), and a mosquito blocking member ( 19 ) is provided in the air return chamber between the air inlet ( 7 ) and the air outlet ( 8 );

wherein the mosquito collecting box ( 6 ) comprises a box body ( 15 ) having an opening at an upper end thereof, and a baffle ( 16 ) mounted at a rear of the opening of the box body ( 15 ), a front edge of the baffle ( 16 ) forming an air inlet ( 7 ), the air inlet ( 7 ) being aligned with both left and right edges and a front edge of the opening of the box body ( 15 ), and the air outlet ( 8 ) is provided at a rear end of the baffle ( 16 );

wherein the mosquito blocking member ( 19 ) is hingedly mounted between the left and right side walls of the box body ( 15 ), the left and right sides of the mosquito blocking member ( 19 ) are respectively adjacent to the side walls of the corresponding side of the box body ( 15 ), and a lower edge of the mosquito blocking member ( 19 ) is adjacent to or abuts against a lower side position of the guide slope ( 18 ) or an inner bottom face of the box body ( 15 ).