Ventilation device

Abstract

The invention relates to a ventilation device and belongs to the technical field of doors and windows. The ventilation device is installed on a door and window sectional material and comprises a main body component fixedly connected with the door and window sectional material, and the main body component is provided with an installation cavity, a first airflow opening communicating with the installation cavity and the indoor space and a second airflow opening communicating with the installation cavity and the outdoor space; the ventilation mechanism is fixedly mounted in the mounting cavity, and the ventilation mechanism is configured to be suitable for forming airflow in the mounting cavity so that the airflow can circulate between the first airflow opening and the second airflow opening; wherein the main body component is provided with a first heat insulation piece arranged in the first direction, the door and window profile is provided with a second heat insulation piece arranged in the first direction, the first heat insulation piece and the second heat insulation piece are arranged in parallel in the second direction, and the first direction is perpendicular to the second direction. By means of the mode, the isotherm of the door and window sectional material and the main body fixing piece can be more vertical, so that the overall heat preservation and insulation performance of the door and window is improved, and the life quality is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of doors and windows, and in particular to a ventilation device. Background Art

[0002] Buildings are usually provided with doors and windows for indoor and outdoor air exchange. However, in environments where the external noise is too loud, the air pollution is relatively serious, and the indoor and outdoor temperature difference is large, if the windows are opened for indoor and outdoor air exchange, it will affect the user's quality of life and usage experience. Therefore, ventilators came into being.

[0003] A ventilator is a device that relies on a power device attached to the product itself to achieve ventilation. The ventilator is installed on the doors and windows, and indoor and outdoor air exchange can be achieved without opening the doors and windows, improving the user's living standard. The ventilator includes a body that can generate air flow and a mounting profile. The body is disposed within the mounting profile, and the mounting profile is connected to the door and window profile to fix the ventilator on the doors and windows. In order to better improve the heat insulation effect, heat insulation strips are provided on the door and window profiles and the mounting profiles of the ventilators.

[0004] However, in the prior art, the heat insulation strips on the door and window profiles and the heat insulation strips on the mounting profiles of the ventilators are generally misaligned, which results in poor heat insulation performance of the overall doors and windows and reduces the user experience. Summary of the Invention

[0005] To solve the above-mentioned problems in the prior art, the present invention provides a ventilation device installed on a door and window profile, including:

[0006] A main body member fixedly connected to the door and window profile, the main body member having an installation cavity, a first air flow port communicating the installation cavity and the interior, and a second air flow port communicating the installation cavity and the exterior;

[0007] A ventilation mechanism fixedly installed in the installation cavity, the ventilation mechanism being configured to be adapted to form an air flow in the installation cavity so that the air flow circulates between the first air flow port and the second air flow port;

[0008] Wherein, the main body member has a first heat insulation member arranged along a first direction, the door and window profile has a second heat insulation member arranged along the first direction, the first heat insulation member and the second heat insulation member are arranged in parallel in a second direction, and the first direction and the second direction are perpendicular.

[0009] In one embodiment, the first heat insulation member has a first orthographic projection in the second direction, the second heat insulation member has a second orthographic projection in the second direction, and the first orthographic projection and the second orthographic projection overlap.

[0010] In one embodiment, the ventilation device further includes a first cover plate connected to the main body member and disposed near the first air outlet. The first cover plate is movable relative to the main body member to expose or block the first air outlet; a ventilation portion communicating with the first air outlet is provided on the first cover plate.

[0011] In one embodiment, a first locking member is provided at one end of the first cover plate, and a second locking member for locking cooperation with the first locking member is provided on the main body member;

[0012] When the first cover plate blocks the first air outlet, the first locking member and the second locking member are connected and locked.

[0013] In one embodiment, the first locking member and the second locking member are magnetic members.

[0014] In one embodiment, the ventilation device further includes a first filter member disposed at the first air outlet and / or the ventilation portion, and a second filter member disposed at the second air outlet.

[0015] In one embodiment, a first inner side surface of the main body member close to the interior overlaps with a second inner side surface of the door and window profile close to the interior in the vertical direction;

[0016] Or, the linear distance between the first inner side surface and the outer side surface of the door and window profile is less than or equal to the linear distance between the second inner side surface and the outer side surface.

[0017] In one embodiment, the ventilation mechanism includes a ventilation main body and a flexible mounting body connected to the ventilation main body. The flexible mounting body is connected to the main body member to mount the ventilation main body in the mounting cavity;

[0018] The flexible mounting body is disposed along the outer peripheral side of the ventilation main body.

[0019] In one embodiment, the ventilation main body includes:

[0020] A housing, including an outer shell having an accommodation cavity and a baffle connected to the outer shell and capable of blocking or exposing the accommodation cavity. An air inlet is provided on the outer shell, and an air outlet is provided on the baffle. The air inlet and the air outlet are communicated to form an air flow channel;

[0021] An air flow generating member, disposed near the air inlet, to form an air flow entering the housing from the air inlet;

[0022] The third filter element is detachably arranged in the housing and communicated with the air flow generating element, so that the air flow entering the housing flows out of the housing from the air outlet after being filtered.

[0023] In one embodiment, the flexible mounting body is mounted at the air inlet, and the flexible mounting body has a cavity exposing the air inlet;

[0024] When the ventilation mechanism is mounted in the mounting cavity, the air outlet is arranged towards the first air flow port.

[0025] The beneficial effects of the present invention are reflected in that by providing a main body member and a ventilation mechanism, the main body member is fixedly connected to the door and window profiles, and the main body member has a mounting cavity, a first air flow port communicating the mounting cavity and the indoor, and a second air flow port communicating the mounting cavity and the outdoor. The ventilation mechanism is mounted in the mounting cavity to form an air flow in the mounting cavity, so that the air flow circulates between the first air flow port and the second air flow port; wherein, the main body member has a first heat insulation member arranged along the first direction, and the door and window profiles have a second heat insulation member arranged along the first direction. The first heat insulation member and the second heat insulation member are arranged in parallel in the second direction, and the first direction and the second direction are perpendicular, so that the isotherms of the door and window profiles and the main body firmware are more vertical, thereby improving the overall heat insulation performance of the doors and windows and further ensuring the quality of life. Description of the Drawings

[0026] Figure 1 Schematic structural diagram of the ventilation device provided by the present invention mounted on a door and window;

[0027] Figure 2 Schematic structural diagram of the ventilation device provided by the present invention;

[0028] Figure 3 is Figure 2 sectional view of;

[0029] Figure 4 is Figure 2 another sectional view of;

[0030] Figure 5 Schematic structural diagram of the main body member provided by the present invention;

[0031] Figure 6 Another schematic structural diagram of the ventilation device provided by the present invention;

[0032] Figure 7 is Figure 6 partial structural view of;

[0033] Figure 8 Schematic structural diagram of the ventilation mechanism provided by the present invention;

[0034] Figure 9 Another structural schematic diagram of the ventilation mechanism provided by the present invention;

[0035] Figure 10 Another structural schematic diagram of the ventilation mechanism provided by the present invention;

[0036] Figure 11 A sectional schematic diagram of the ventilation mechanism provided by the present invention;

[0037] Figure 12 Another structural schematic diagram of the ventilation mechanism provided by the present invention.

[0038] Reference numerals:

[0039] 1 - Main body member; 11 - Main body part; 111 - First notch; 112 - Second notch; 113 - Connection notch; 12 - First connection part; 13 - Second connection part; 14 - First air flow port; 15 - Second air flow port; 16 - Second locking member; 2 - Installation cavity; 3 - First cover plate; 31 - First filter member; 32 - First locking member; 4 - First heat insulation member; 5 - Second filter member;

[0040] 2 - Ventilation mechanism; 201 - Outer shell; 2011 - Air inlet; 2012 - Protrusion; 202 - Baffle; 2021 - Air outlet; 203 - Flexible installation body; 204 - Third filter member; 205 - Air flow generating member;

[0041] 30 - Door and window profile; 301 - Second heat insulation member;

[0042] 40 - Glass. Detailed implementation manners

[0043] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0044] Embodiment 1:

[0045] Referring to Figures 1 - 11 , a ventilation device in a preferred embodiment of the present invention is installed on the door and window profile 30 to achieve indoor and outdoor ventilation for indoor and outdoor air flow interaction. The door and window profile 30 is fixedly installed on the building wall to fix the door and window, and the ventilation device can be installed on either side of the door and window profile 30. Taking the upper side of the door and window profile 30 as an example, one end of the ventilation device can be connected to the upper side of the door and window profile 30, and the other end of the ventilation device is connected to the glass 40, so that the ventilation device is fixedly installed on the door and window.

[0046] Different from the prior art where the connection stability between the ventilation device and the door and window profile 30 is poor due to only being connected by screws, in the present invention, the door and window profiles 30 are first connected by corner brackets to form a stable square frame, and then the ventilation device and the door and window profiles 30 forming the stable square frame are further fixed by screws, thereby ensuring the structural strength between the door and window profiles 30 and the ventilation device.

[0047] In other embodiments, the ventilation device can also be installed on at least one of the lower side, left side, and right side of the door and window profile 30, which is not specifically limited herein and depends on the actual situation. In this embodiment, the case where the ventilation device is installed on the upper side of the door and window profile 30 is taken as an example for specific description.

[0048] Specifically, the ventilation device includes a main body member 1 and a ventilation mechanism 2, and the main body member 1 is fixedly connected to the door and window profile 30. As known from the foregoing, the door and window profiles 30 are connected by corner brackets to form a stable square frame, and then the ventilation device and the door and window profiles 30 forming the square frame are further fixed by screws.

[0049] The main body member 1 has an installation cavity 2, a first air flow port 14 communicating the installation cavity 2 with the interior, and a second air flow port 15 communicating the installation cavity 2 with the exterior. The ventilation mechanism 2 is fixedly installed in the installation cavity 2, and the ventilation mechanism 2 is configured to be adapted to form an air flow in the installation cavity 2 so that the air flow circulates between the first air flow port 14 and the second air flow port 15.

[0050] The main body member 1 includes a main body portion 11, a first connecting portion 12 connected to the main body portion 11 and disposed close to the interior, and a second connecting portion 13 connected to the main body portion 11 and disposed close to the exterior. The first air flow port 14 is formed on the first connecting portion 12, the second air flow port 15 is formed on the second connecting portion 13, and the installation cavity 2 is formed in the main body portion 11. Among them, the main body portion 11 has a first notch 111 disposed close to the first air flow port 14, a second notch 112 disposed close to the second air flow port 15, and a connecting notch 113. The first notch 111, the second notch 112, and the connecting notch 113 communicate with each other to form the above-mentioned installation cavity 2.

[0051] The ventilation mechanism 2 includes a ventilation main body and a flexible mounting body 203 connected to the ventilation main body. The flexible mounting body 203 is connected to the main body member 1 so that the ventilation main body is installed in the installation cavity 2. In this embodiment, the flexible mounting body 203 is a sealing foam strip. When the ventilation mechanism 2 is installed in the installation cavity 2, the flexible mounting body 203 is squeezed and sealed by the second notch 112, so that the air flow directly enters the ventilation main body.

[0052] In this embodiment, the flexible mounting body 203 is arranged along the outer peripheral side of the ventilation main body. The purpose of this arrangement is that while connecting the ventilation main body to the main body member 1, the flexible mounting body 203 can also form a seal to improve the working efficiency of the ventilation main body and ensure the exchange of indoor and outdoor airflows. At the same time, the flexible mounting body 203 is arranged along the outer peripheral side of the ventilation main body, which can also avoid blocking the ventilation main body, enabling the ventilation main body to generate more airflows during operation and ensuring the operating efficiency of the ventilation main body.

[0053] To reduce the possibility of outdoor mosquitoes and / or dirt entering the main body portion 11 from the second air outlet 15 under the action of the external airflow, the second air outlet 15 is arranged downward, and a shielding body is arranged on one side of the second air outlet 15 to prevent outdoor mosquitoes and dirt from directly entering the second air outlet 15.

[0054] The main body member 1 has a first heat insulation member 4 arranged along the first direction, and the door and window profile 30 has a second heat insulation member 301 arranged along the first direction. The first heat insulation member 4 and the second heat insulation member 301 are arranged in parallel in the second direction, and the first direction and the second direction are perpendicular. In this embodiment, the first direction is the horizontal direction, and the second direction is the vertical direction. When the ventilation mechanism 2 is installed on the left or right side of the door and window profile 30, the first direction is the vertical direction, and the second direction is the horizontal direction.

[0055] The first heat insulation member 4 and the second heat insulation member 301 are arranged in parallel to make the isotherms of the door and window profile 30 and the ventilation device parallel, thereby improving the heat insulation performance.

[0056] Furthermore, the first heat insulation member 4 has a first orthographic projection in the second direction, and the second heat insulation member 301 has a second orthographic projection in the second direction. The first orthographic projection and the second orthographic projection overlap. As described above, the second direction is the vertical direction, so the first heat insulation member 4 and the second heat insulation member 301 overlap in the vertical direction, thereby making the isotherms of the door and window profile 30 and the ventilation device overlap, further improving the overall heat insulation performance of the door and window.

[0057] In this embodiment, the number of the first heat insulation member 4 and the second heat insulation member 301 is not specifically limited. For example, two first heat insulation members 4 are arranged, respectively on the side of the main body member 1 close to the door and window profile 30 and on the side of the main body member 1 close to the glass 40. Two second heat insulation members 301 are also arranged, respectively close to the door and window profile 30 close to the main body member 1 and the building wall. In other embodiments, the number of the first heat insulation member 4 and the second heat insulation member 301 can also be other numbers, such as three, four, etc., which are not specifically limited here and are determined according to the actual situation.

[0058] Moreover, the first heat insulation member 4 and the second heat insulation member 301 are heat insulation strips, and their materials can be nylon, PVC, etc., which are not specifically limited herein and are determined according to actual situations.

[0059] The ventilation pipe device further includes a first cover plate 3 connected to the main body member 1 and disposed near the first air flow port 14. The first cover plate 3 can move relative to the main body member 1 to expose or block the first air flow port 14. By providing the first cover plate 3, the first air flow port 14 can be blocked, and then the interior of the main body member 1 can be blocked to improve the overall aesthetics of the ventilation device.

[0060] In one embodiment, the first cover plate 3 can move relative to the main body member 1; in another embodiment, the first cover plate 3 can rotate relative to the main body member 1, which is not specifically limited herein and is determined according to actual situations. In this embodiment, the example where the first cover plate 3 can rotate relative to the main body member 1 is described.

[0061] In order to ensure that when the first cover plate 3 blocks the first air flow port 14, the ventilation device still maintains the function of heat exchange between indoor and outdoor air, a ventilation portion communicating with the first air flow port 14 is provided on the first cover plate 3. In this embodiment, the ventilation portion is a plurality of ventilation holes.

[0062] The ventilation device further includes a first filter member 31 disposed at the first air flow port 14 and / or the ventilation portion, and a second filter member 5 disposed at the second air flow port 15. In this embodiment, the first filter member 31 is installed on the first connecting portion 12, and the second filter member 5 is installed at the first air flow port 14 and / or the ventilation portion, so as to prevent mosquitoes from entering the installation cavity 2 from indoors and outdoors and interfering with the ventilation mechanism 2, and also prevent outdoor mosquitoes from entering the room through the main body member 1 and the ventilation mechanism 2. Among them, the first filter member 31 and the second filter member 5 can be insect-proof nets, etc.

[0063] A first locking member 32 is provided at one end of the first cover plate 3, and a second locking member 16 that is locked and cooperated with the first locking member 32 is provided on the main body member 1; when the first cover plate 3 blocks the first air flow port 14, the first locking member 32 and the second locking member 16 are connected and locked. In order to facilitate the quick locking of the first cover plate 3 and the main body member 1, in this embodiment, the first locking member 32 and the second locking member 16 are magnetic members, and the first locking member 32 and the second locking member 16 can be magnetically attracted to achieve locking, and an external force greater than the magnetic attraction force can be applied to unlock the first locking member 32 and the second locking member 16.

[0064] In other embodiments, the first locking member 32 and the second locking member 16 can also be snap fasteners, etc., which are not specifically limited herein and are determined according to actual situations.

[0065] The ventilation main body includes a housing, an air flow generating member 205, and a third filter member 204. Among them, the housing includes an outer shell 201 having a receiving cavity, and a baffle 202 connected to the outer shell 201 and capable of covering or exposing the receiving cavity. An air inlet 2011 is provided on the outer shell 201, and an air outlet 2021 is provided on the baffle 202. The air inlet 2011 and the air outlet 2021 are communicated to form an air flow channel. The air flow generating member 205 is disposed near the air inlet 2011 to form an air flow entering the housing from the air inlet 2011. The third filter member 204 is detachably disposed in the housing and communicated with the air flow generating member 205, so that the air flow entering the housing is filtered and then flows out of the housing through the air outlet 2021. In this embodiment, the third filter member 204 is a filter, and the air flow generating member 205 is a fan and a motor for driving the fan to rotate.

[0066] The baffle 202 and the outer shell 201 are magnetically attracted to enable quick disassembly of the baffle 202 and the outer shell 201. Alternatively, the baffle 202 and the outer shell 201 are connected by a buckle to achieve quick disassembly between the baffle 202 and the outer shell 201. When the baffle 202 and the outer shell 201 are connected by a buckle, a protrusion 2012 is provided on the outer periphery of the outer shell 201 or the baffle 202. The protrusion 2012 is inclined toward the inside of the outer shell 201 to form a clamping space, so as to achieve a snap connection between the baffle 202 and the outer shell 201. In this embodiment, the specific description is based on the snap connection between the baffle 202 and the outer shell 201.

[0067] Among them, when the ventilation mechanism 2 is installed in the installation cavity 2, the air outlet 2021 faces the first air flow port 14. The purpose of such a setting is that when the third filter member 204 needs to be replaced, the first cover 3 can be opened, and the baffle 202 can be disassembled to disassemble the third filter member 204.

[0068] As can be seen from the foregoing, the ventilation main body is installed in the installation cavity 2 through the flexible mounting body 203. Specifically, the flexible mounting body 203 is installed at the air inlet 2011. The flexible mounting body 203 has a cavity that exposes the air inlet 2011, so that when the ventilation main body operates, external air flow can enter the ventilation main body through the cavity and the air inlet 2011.

[0069] In order to improve the aesthetics when the ventilation device is installed on the door and window profile 30, the first inner side surface of the main body member 1 close to the interior overlaps with the second inner side surface of the door and window profile 30 close to the interior in the vertical direction; or, the linear distance between the first inner side surface and the outer side surface of the door and window profile 30 is less than or equal to the linear distance between the second inner side surface and the outer side surface.

[0070] In summary, by providing the main body member 1 and the ventilation mechanism 2, the main body member 1 is fixedly connected to the door and window profile 30. The main body member 1 has an installation cavity 2, a first air flow port 14 communicating the installation cavity 2 with the interior, and a second air flow port 15 communicating the installation cavity 2 with the exterior. The ventilation mechanism 2 is installed in the installation cavity 2 to form an air flow in the installation cavity 2, so that the air flow circulates between the first air flow port 14 and the second air flow port 15. Among them, the main body member 1 has a first heat insulation member 4 arranged along a first direction, and the door and window profile 30 has a second heat insulation member 301 arranged along the first direction. The first heat insulation member 4 and the second heat insulation member 301 are arranged in parallel in a second direction, and the first direction and the second direction are perpendicular, so that the isotherms of the door and window profile 30 and the main body member are more vertical, thereby improving the overall heat insulation performance of the door and window, and further ensuring the quality of life.

[0071] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "center", "top", "bottom", "top part", "bottom part", "inner", "outer", "inner side", "outer side", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. Among them, the "inner side" refers to the internal or enclosed area or space. The "periphery" refers to the area surrounding a specific component or a specific area.

[0072] In the description of the embodiments of the present invention, the terms "first", "second", "third", "fourth" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first", "second", "third", "fourth" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

[0073] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "installed", "connected", "joined", "assembled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0074] In the description of the embodiments of the present invention, specific features, structures, materials, or characteristics may be combined in a suitable manner in any one or more embodiments or examples.

[0075] In the description of the embodiments of the present invention, it should be understood that "-" and "~" represent the range between two numerical values, and this range includes the endpoints. For example, "A - B" represents a range greater than or equal to A and less than or equal to B. "A ~ B" represents a range greater than or equal to A and less than or equal to B.

[0076] In the description of the embodiments of the present invention, the term "and / or" herein is merely a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " herein generally represents an "or" relationship between the associated objects before and after.

[0077] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation device is installed on a door and window profile, characterized in that Comprising: A main body member fixedly connected to the door and window profile. The main body member has an installation cavity, a first air flow port communicating the installation cavity with the interior, and a second air flow port communicating the installation cavity with the exterior. A ventilation mechanism fixedly installed in the installation cavity. The ventilation mechanism is configured to be adapted to form an air flow in the installation cavity so that the air flow circulates between the first air flow port and the second air flow port. Wherein, the main body member has a first heat insulation member arranged along a first direction, and the door and window profile has a second heat insulation member arranged along the first direction. The first heat insulation member and the second heat insulation member are arranged in parallel in a second direction, and the first direction and the second direction are perpendicular.

2. The ventilation device according to claim 1, characterized in that: The first heat insulation member has a first orthographic projection in the second direction, and the second heat insulation member has a second orthographic projection in the second direction. The first orthographic projection and the second orthographic projection overlap.

3. The ventilation device according to claim 1, wherein: The ventilation device further includes a first cover plate connected to the main body member and arranged close to the first air flow port. The first cover plate can move relative to the main body member to expose or block the first air flow port; a ventilation part communicating with the first air flow port is arranged on the first cover plate.

4. The ventilation device according to claim 3, wherein: A first locking member is arranged at one end of the first cover plate, and a second locking member locked and matched with the first locking member is arranged on the main body member. When the first cover plate blocks the first air flow port, the first locking member and the second locking member are connected and locked.

5. The ventilation device according to claim 4, characterized in that: The first locking member and the second locking member are magnetic members.

6. The ventilation device according to claim 3, characterized in that: The ventilation device further includes a first filter member arranged at the first air flow port and / or the ventilation part, and a second filter member arranged at the second air flow port.

7. The ventilation device according to any one of claims 1 to 6, characterized in that: The first inner side surface of the main body member close to the interior overlaps with the second inner side surface of the door and window profile close to the interior in the vertical direction; Or, the linear distance between the first inner side surface and the outer side surface of the door and window profile is less than or equal to the linear distance between the second inner side surface and the outer side surface.

8. The ventilation device according to any one of claims 1 to 6, characterized in that: The ventilation mechanism includes a ventilation main body and a flexible installation body connected to the ventilation main body. The flexible installation body is connected to the main body member so that the ventilation main body is installed in the installation cavity; The flexible installation body is arranged along the outer peripheral side of the ventilation main body.

9. The ventilation device according to claim 8, characterized in that: The ventilation main body includes: A housing, including an outer shell having an accommodation cavity and a baffle connected to the outer shell and capable of blocking or exposing the accommodation cavity. An air inlet is arranged on the outer shell, and an air outlet is arranged on the baffle. The air inlet and the air outlet are communicated to form an air flow channel; An air flow generating member arranged close to the air inlet to form an air flow entering the housing from the air inlet; A third filter member detachably arranged in the housing and communicated with the air flow generating member so that the air flow entering the housing is filtered and then flows out of the housing from the air outlet.

10. The ventilation device according to claim 9, characterized in that: The flexible mounting body is mounted at the air inlet, and the flexible mounting body has a cavity that exposes the air inlet; When the ventilation mechanism is mounted in the mounting cavity, the air outlet is arranged towards the first air flow port.

Images