A face mask assembly and an exhaust fan

Abstract

The utility model discloses a face guard assembly and exhaust fan, wherein, a face guard assembly includes face guard shell, face cover spare, sliding cover spare, transmission spare and first drive spare, and face cover spare is located at the bottom of face guard shell, and face cover spare is equipped with the air outlet that sets up to the down, and sliding cover spare is slidably located at the bottom of face guard shell, and sliding cover spare is embedded in the air outlet to close the air outlet, and transmission spare is slidably located at the bottom of face guard shell, and transmission spare is slidably connected with sliding cover spare, and first drive spare is located at the top of face guard shell, or is located between face guard shell and face cover spare, and first drive spare is connected with transmission spare, wherein, first drive spare can drive transmission spare to slide, to can drive sliding cover spare to slide and leave the air outlet and remove to between face guard shell and face cover spare, make the air outlet open. Through the above structure, the way that sliding cover spare is embedded in the air outlet to close the air outlet, and its sliding cover spare sinks and fills the air outlet to can ensure the flatness of the bottom surface of face guard assembly.

Claims

1. A face mask assembly, characterized by: include Mask shell (110); A face cover (120) is provided at the bottom of the face mask shell (110), and the face cover (120) is provided with a downward-facing air outlet (121). A sliding cover (130) is slidably disposed at the bottom of the mask shell (110), and the sliding cover (130) is embedded in the air outlet (121) to close the air outlet (121). The transmission component (140) is slidably disposed at the bottom of the mask shell (110), and the transmission component (140) is slidably connected to the sliding cover component (130); A first driving member (150) is disposed on the top of the mask shell (110) or between the mask shell (110) and the face cover (120). The first driving member (150) is connected to the transmission member (140). The first driving member (150) can drive the transmission member (140) to slide so that the sliding cover (130) can slide away from the air outlet (121) and move between the mask shell (110) and the mask cover (120) to open the air outlet (121).

2. A face mask assembly according to claim 1, characterized in that: The bottom of the mask shell (110) is provided with a first sliding hole (161) and a second sliding hole (171), the transmission component (140) is provided with a third sliding hole (141), one side of the sliding cover component (130) is provided with a first slider (131), and the other side is provided with a second slider (132). The first slider (131) is slidably inserted through the first sliding hole (161), and the second slider (132) is slidably inserted through the third sliding hole (141) and the second sliding hole (171). The first driving member (150) can drive the transmission member (140) to slide so as to push the second slider (132) through the hole wall of the third sliding hole (141), so that the second slider (132) slides in the second sliding hole (171) and in the third sliding hole (141), and the first slider (131) slides in the first sliding hole (161), so that the sliding cover (130) can slide away from the air outlet (121) and move between the face mask shell (110) and the face cover (120).

3. A face mask assembly according to claim 1, characterized in that: The face cover (120) has a accommodating cavity (122) with the opening facing downward. The face cover (120) is detachably provided with an opening cover (180) located at the opening of the accommodating cavity (122). The opening cover (180) closes the opening of the accommodating cavity (122). The opening cover (180) has a first port (181) communicating with the accommodating cavity (122). The accommodating cavity (122) is used for placing an air freshener.

4. A face mask assembly according to claim 1, characterized in that: The bottom of the mask shell (110) is provided with a groove (111), and the mask cover (120), the sliding cover (130) and the transmission component (140) are all provided in the groove (111).

5. A face mask assembly according to claim 4, characterized in that: The groove (111) is equipped with a light-emitting component.

6. An exhaust fan characterized by: include The housing (200) is provided with an exhaust port (210) and an air cavity (220) with the opening facing downwards. A fan assembly (300) is disposed in the air cavity (220). The fan assembly (300) is provided with a first channel (311), a second channel (312), a second opening (313), and a third opening (314). The first channel (311) includes a first section (311A) and a second section (311B) that are connected. The second section (311B) is connected to the exhaust port (210). The second opening (313) is connected to the first section (311A) and the air cavity (220). The third opening (314) is connected to the first section (311A) and the second channel (312). The first rotating plate assembly (410) is provided on the fan assembly (300), and the first rotating plate assembly (410) is provided with a first rotating plate member (411) located in the first channel (311). A face mask assembly as described in any one of claims 1-5, wherein the face mask shell (110) is disposed at the bottom of the housing (200) to close the opening of the air cavity (220), the face mask shell (110) is provided with a third channel (112) communicating with the air outlet (121) and the second channel (312), and the face mask shell (110) is provided with an air inlet (113) communicating with the air cavity (220), wherein, When the first rotating plate assembly (410) drives the first rotating plate member (411) to rotate to the first state, so that the first rotating plate member (411) cuts off the connection between the third port (314) and the first passage section (311A), the fan assembly (300) can work to make the air entering from the air inlet (113) flow sequentially through the air cavity (220), the second port (313), the first passage section (311A) and the second passage section (311B) and then be discharged from the air outlet (210). When the first rotating plate assembly (410) drives the first rotating plate member (411) to rotate to the second state, so that the first rotating plate member (411) cuts off the connection between the first passage section (311A) and the second passage section (311B), the fan assembly (300) can work to make the air entering from the air inlet (113) flow sequentially through the air cavity (220), the second passage (313), the first passage section (311A), the third passage (314), the second channel (312), and the third channel (112) before being discharged from the air outlet (121). The first rotating plate assembly (410) drives the first rotating plate (411) to rotate to the third state to restore the connection between the third port (314) and the first section (311A). When the connection between the first section (311A) and the second section (311B) is restored, the fan assembly (300) can work so that a portion of the air entering from the air inlet (113) flows sequentially through the air cavity (220), the second port (313), the first section (311A) and the second section (311B) and is discharged from the air outlet (210). Another portion flows sequentially through the air cavity (220), the second port (313), the first section (311A), the third port (314), the second channel (312) and the third channel (112) and is discharged from the air outlet (121).

7. The exhaust fan according to claim 6, characterized in that: The second channel (312) is provided with a temperature module (500), which can raise or lower the temperature of the air flowing through the second channel (312).

8. The exhaust fan according to claim 6, characterized in that: The housing (200) is provided with a fourth port (230) communicating with the air cavity (220).

9. The exhaust fan according to claim 6, characterized in that: The fan assembly (300) is provided with a sterilization module (600), which is capable of sterilizing the air flowing through the first passage (311A).

10. The exhaust fan according to claim 6, characterized in that: The housing (200) is provided with an exhaust duct (240) and a second rotating plate assembly (420). The exhaust port (210) connects the second passage section (311B) and the exhaust duct (240). The second rotating plate assembly (420) is provided with a second rotating plate member (421) located in the exhaust duct (240). The second rotating plate assembly (420) can drive the second rotating plate (421) to rotate, so that the second rotating plate (421) opens or closes the exhaust duct (240).

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