Portable fresh air system

Abstract

The utility model belongs to the technical field of fresh air systems, and discloses a portable fresh air system which comprises a shell assembly and a fresh air assembly, the shell assembly comprises a shell base, a shell cover plate and a connecting frame, the shell base can be installed in a wall, the shell cover plate covers the surface of the shell base, and the connecting frame is connected with the shell base. The connecting frame is connected between the shell base and the shell cover plate and is detachably connected with the shell base, a containing groove is formed in the surface of the connecting frame, a connecting plate is hinged to the interior of the containing groove, a through hole is formed in the connecting plate, and the connecting plate is contained in the inner surface of the containing groove and is flush with the surface of the connecting frame; the exhaust fan is installed on the shell base, the filter cotton is installed between the exhaust fan and the shell cover plate, an air inlet is formed in the surface of the shell cover plate, an air outlet is formed in the surface of the shell base, and when the exhaust fan works, air is sucked in from the air inlet and exhausted from the air outlet.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air systems, and particularly relates to a portable fresh air system. Background Art

[0002] With the acceleration of the urbanization process and the aggravation of industrial pollution, the indoor air quality has attracted increasing attention. As a device for improving indoor air quality, an air purification device usually combines negative ion purification technology with a physical filter, which can reduce the concentration of harmful substances such as bacteria, viruses, and allergens in the air, thereby improving the indoor air quality. However, in terms of air purification effect, the purification effect of the air purification device is far inferior to that of the fresh air system. The fresh air system achieves the air purification effect by directly exchanging the indoor air with the outdoor air. However, most of the existing fresh air systems are bulky, have problems of inconvenient installation and difficult cleaning. In view of this, the present utility model is proposed. Content of the Utility Model

[0003] In order to solve the problems of the existing fresh air systems being bulky, difficult to install and clean, the present utility model provides a portable fresh air system.

[0004] The present utility model provides a portable fresh air system to solve the above technical problems, which includes a housing assembly and a fresh air assembly. The housing assembly includes a housing base, a housing cover, and a connection frame. The housing base can be installed in a wall body. The housing cover covers the surface of the housing base. The connection frame is connected between the housing base and the housing cover and is detachably connected to the housing base. A receiving groove is formed on the surface of the connection frame. A connecting plate is hinged in the receiving groove. Through holes are formed on the connecting plate. The connecting plate is received in the inner surface of the receiving groove and is flush with the surface of the connection frame. The fresh air assembly includes an exhaust fan and a filter cotton. The exhaust fan is installed on the housing base. The filter cotton is installed between the exhaust fan and the housing cover. An air inlet is provided on the surface of the housing cover. An air outlet is provided on the surface of the housing base. When the exhaust fan operates, air is inhaled from the air inlet and discharged from the air outlet.

[0005] In an embodiment of the present utility model, a louver is provided at the air inlet. The louver is hingedly connected to the housing cover to adjust the air intake direction of the air inlet.

[0006] In an embodiment of the present utility model, the housing assembly further includes a filter slot plate. The filter slot plate is located between the housing cover and the housing cover and is detachably connected to the housing base. The size of the filter slot plate is adapted to the size of the filter cotton. The housing cover covers the filter slot plate to fix the filter cotton.

[0007] In an embodiment of the present utility model, protruding claws are provided on the filter trough plate, and clamping holes corresponding to the claws are provided on the housing cover plate. The housing cover plate is connected to the filter trough plate through the clamping connection of the claws and the clamping holes.

[0008] In an embodiment of the present utility model, an unlocking member is hinged at a position of the housing cover plate corresponding to the clamping hole. A pressing portion corresponding to the claw is provided on the unlocking member. Pressing the unlocking member can cause the pressing portion to squeeze the claw out of the clamping hole.

[0009] In an embodiment of the present utility model, the fresh air assembly further includes a connecting hose. A protruding air outlet pipe is provided at the air outlet. The connecting hose is detachably connected to the air outlet pipe.

[0010] In an embodiment of the present utility model, a connecting head is provided at the end of the connecting hose. A sealing gasket is provided on the connecting head. The connecting head is threadedly connected to the air outlet pipe and the sealing gasket is attached to the end of the air outlet pipe.

[0011] In an embodiment of the present utility model, when the connecting frame is connected to the housing base, the surface of the connecting frame is flush with the surface of the housing base.

[0012] In an embodiment of the present utility model, the portable fresh air system further includes a power supply module electrically connected to the exhaust fan. The power supply module includes at least one of a power supply plug and a solar panel.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] By detachably connecting the housing cover plate and the housing base, and arranging the filter cotton between the housing cover plate and the housing base, the filter cotton can filter dust for the exhaust fan. When cleaning is required, the housing cover plate can be easily detached from the housing base, and then the filter cotton can be taken out for cleaning or replacement, which is more convenient for the user to clean the portable fresh air system. By hinging the connecting plate and the connecting frame, it is convenient for the user to hang the portable fresh air system indoors. By extending the air outlet outdoors, the fresh air assembly can extract the indoor air to the outdoors to achieve the effect of purifying the indoor air. By changing the hanging position of the portable fresh air system, the air in different rooms indoors can be purified, and the use is flexible and convenient. Description of the Drawings

[0015] The drawings are used to provide a further understanding of the embodiments of the present utility model and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the embodiments of the present utility model, but do not constitute a limitation to the embodiments of the present utility model. In the drawings:

[0016] Figure 1 is a schematic three - dimensional structure diagram of the portable fresh - air system provided by the embodiment of the present utility model;

[0017] Figure 2 is an exploded structure diagram of the portable fresh - air system provided by the embodiment of the present utility model;

[0018] Figure 3 is Figure 2 the enlarged view at position A in

[0019] Explanation of reference numerals

[0020] 1. Portable fresh - air system; 11. Housing assembly; 12. Fresh - air assembly; 111. Housing base; 112. Housing cover; 113. Connection frame; 114. Filter trough plate; 121. Exhaust fan; 122. Connection hose; 1111. Air outlet pipe; 1121. Louver; 1122. Unlocking member; 1123. Pressing part; 1131. Connection plate; 1141. Claw. Detailed implementation manners

[0021] The following will detail the specific implementation manners of the present utility model with reference to the accompanying drawings. It should be understood that the specific implementation manners described herein are only for explaining and illustrating the present utility model, and are not used to limit the present utility model.

[0022] Please refer to Figures 1-3 , Figure 1 is a schematic three - dimensional structure diagram of the portable fresh - air system provided by the embodiment of the present utility model; Figure 2 is an exploded structure diagram of the portable fresh - air system provided by the embodiment of the present utility model; Figure 3 is Figure 2 the enlarged view at position A in. The portable fresh - air system 1 of the present utility model includes a housing assembly 11 and a fresh - air assembly 12. The housing assembly 11 includes a housing base 111, a housing cover 112, and a connection frame 113. The housing base 111 can be installed in a wall body, the housing cover 112 covers the surface of the housing base 111, the connection frame 113 is connected between the housing base 111 and the housing cover 112 and is detachably connected to the housing base 111. A receiving groove is provided on the surface of the connection frame 113, and a connection plate 1131 is hinged in the receiving groove. A through - hole is provided on the connection plate 1131, and the connection plate 1131 is received in the receiving groove with its surface flush with the surface of the connection frame 113. The fresh - air assembly 12 includes an exhaust fan 121 and a filter cotton. The exhaust fan 121 is installed on the housing base 111, and the filter cotton is installed between the exhaust fan 121 and the housing cover 112. An air inlet is provided on the surface of the housing cover 112, and an air outlet is provided on the surface of the housing base 111. When the exhaust fan 121 operates, air is inhaled from the air inlet and discharged from the air outlet.

[0023] By installing the exhaust fan 121 on the housing base 111 and installing the filter cotton between the exhaust fan 121 and the housing cover 112, dust filtration is carried out for the exhaust fan 121 under the action of the filter cotton, reducing the dust adhered to the exhaust fan 121. By opening an air inlet on the housing cover 112 and an air outlet on the housing base 111, when the exhaust fan 121 works, air is inhaled from the air inlet and discharged from the air outlet, so as to achieve air exchange in the room and improve the indoor air quality.

[0024] By detachably connecting the connecting frame 113 to the housing base 111 and opening a receiving groove on the connecting frame 113 for the connecting plate 1131 to be hinged, when the connecting frame 113 is installed on the housing base 111, the connecting plate 1131 can be rotated out, so that it is convenient for the user to hang the portable fresh air system 1 indoors. By extending the air outlet outdoors, the fresh air component 12 can extract the indoor air outdoors, so as to achieve the purification effect of the indoor air. By changing the hanging position of the portable fresh air system 1, the air in different rooms indoors can be purified, and the use is flexible and convenient.

[0025] By opening a hole in the wall to accommodate the housing base 111, the housing base 111 can also be installed in the wall. By extending the air outlet hole outdoors and covering the housing cover 112 on the housing base 111, the filter cotton can be fixed under the action of the housing cover 112. When the exhaust fan 121 works, the indoor air is extracted and discharged outdoors after passing through the filter cotton, so as to achieve the purification effect of the indoor air.

[0026] When cleaning the portable fresh air system 1, only need to detach the housing cover 112 from the housing base 111, and then take out the filter cotton for cleaning or replacement, then the cleaning effect of the portable fresh air system 1 can be realized, so as to improve the air purification effect of the portable fresh air system 1. Compared with the existing fresh air systems in the prior art, the portable fresh air system 1 of the present utility model is small in volume, simple to install, flexible to use and convenient to clean, and can improve the user experience.

[0027] In the embodiment of the present utility model, a shutter 1121 is provided at the air inlet, and the shutter 1121 is hinged to the housing cover 112 to adjust the air intake direction of the air inlet, so that the portable fresh air system 1 can ventilate different positions indoors under the adjustment of the shutter 1121, improving the flexibility during air purification.

[0028] In an embodiment of the present utility model, the housing assembly 11 further includes a filter trough plate 114. The filter trough plate 114 is located between the housing cover plate 112 and the housing cover plate 112 and is detachably connected to the housing base 111. The size of the filter trough plate 114 is adapted to the size of the filter cotton. The housing cover plate 112 is covered on the filter trough plate 114 to fix the filter cotton. By detaching the housing cover plate 112 from the housing base 111, the filter cotton can be taken out from the filter plate, so as to facilitate the cleaning or replacement of the filter cotton and reduce the cleaning difficulty of the portable fresh air system 1.

[0029] Please refer to Figures 2-3 , in an embodiment of the present utility model, the filter trough plate 114 is provided with protruding claws 1141, and the housing cover plate 112 is provided with card holes corresponding to the claws 1141. The housing cover plate 112 is connected to the filter trough plate 114 through the clamping connection of the claws 1141 and the card holes, so as to realize the quick connection and quick disassembly of the housing cover plate 112 and the filter trough plate 114, and facilitate the user to clean the filter cotton.

[0030] In an embodiment of the present utility model, an unlocking member 1122 is hinged at a position of the housing cover plate 112 corresponding to the card hole. The unlocking member 1122 is provided with a pressing portion 1123 corresponding to the claw 1141. Pressing the unlocking member 1122 can cause the pressing portion 1123 to squeeze the claw 1141 out of the card hole, so as to facilitate the detachment of the housing cover plate 112 from the filter trough plate 114 and facilitate the operator to clean or replace the filter cotton.

[0031] In an embodiment of the present utility model, the fresh air assembly 12 further includes a connecting hose 122. An protruding air outlet pipe 1111 is provided at the air outlet. The connecting hose 122 is detachably connected to the air outlet pipe 1111. When the installation position of the portable fresh air system 1 is far from the outdoors, by connecting the connecting hose 122 to the air outlet pipe 1111, the air outlet distance of the air outlet can be lengthened, and the installation position of the portable fresh air system 1 can be conveniently adjusted.

[0032] In an embodiment of the present utility model, the end of the connecting hose 122 is provided with a connector. The connector is provided with a sealing gasket. The connector is threadedly connected to the air outlet pipe 1111 and the sealing gasket is attached to the end of the air outlet pipe 1111 to increase the connection tightness between the connecting hose 122 and the air outlet pipe 1111 and improve the air outlet effect of the air outlet pipe 1111.

[0033] In an embodiment of the present utility model, when the connection frame 113 is connected to the housing base 111, the surface of the connection frame 113 is flush with the surface of the housing base 111. When it is necessary to install the portable fresh air system 1 in a wall, the connecting plate 1131 can be first rotated and received into the receiving groove, and then the housing base 111 and the connection frame 113 are fixedly connected, so that the connection frame 113 fills the hole in the wall. Finally, the housing cover plate 112 is covered on the housing base 111, so that the portable fresh air system 1 is installed in the wall in an embedded manner, reducing the occupied space of the portable fresh air system 1.

[0034] In an embodiment of the present utility model, the portable fresh air system 1 further includes a power supply module electrically connected to the exhaust fan 121. The power supply module includes at least one of a power supply plug and a solar panel, so as to supply power to the exhaust fan 121 under the action of the power supply plug or the solar panel, so that the portable fresh air system 1 purifies the indoor air.

[0035] In the present utility model, the first feature and the second feature can be connected by wireless means such as wireless network, Bluetooth, local area network, etc. through signal connection, or can also be connected by wired means such as wires, network cables, signal cables, etc., so as to transmit signals and communicate between the first feature and the second feature.

[0036] In the present utility model, unless otherwise clearly specified and limited, the first feature on or under the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature above, over, and on the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal height than the second feature. The first feature below, under, and beneath the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature is at a lower horizontal height than the second feature.

[0037] The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited thereto. Within the technical concept of the present utility model, various simple modifications can be made to the technical solutions of the present utility model, including any suitable combination of each specific technical feature. To avoid unnecessary repetition, the present utility model will not separately describe various possible combination methods. But these simple modifications and combinations should also be regarded as the content disclosed by the present utility model and all fall within the protection scope of the present utility model.

[0038] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A portable fresh air system, characterized in that: The portable fresh air system includes a shell component and a fresh air component, the shell component includes a shell base, a shell cover and a connecting frame, the shell base can be installed in a wall, the shell cover covers the surface of the shell base, the connecting frame is connected between the shell base and the shell cover and is detachably connected to the shell base, a receiving groove is provided on the surface of the connecting frame, a connecting plate is hinged in the receiving groove, a through hole is provided on the connecting plate, the connecting plate is accommodated in the inner surface of the receiving groove and is flush with the surface of the connecting frame, the fresh air component includes an exhaust fan and filter cotton, the exhaust fan is installed on the shell base, the filter cotton is installed between the exhaust fan and the shell cover, the surface of the shell cover is provided with an air inlet, and the surface of the shell base is provided with an air outlet, and the exhaust fan sucks air from the air inlet and discharges it from the air outlet when working.

2. The portable fresh air system according to claim 1, characterized in that: A shutter is arranged at the air inlet, and the shutter is hingedly connected to the shell cover to adjust the air intake direction of the air inlet.

3. The portable fresh air system according to claim 1, characterized in that: The shell assembly also includes a filter slot plate, which is located between the shell cover plate and the shell cover plate and is detachably connected to the shell base. The size of the filter slot plate is adapted to the size of the filter cotton, and the shell cover plate is covered on the filter slot plate to fix the filter cotton.

4. The portable fresh air system according to claim 3, characterized in that: The filter slot plate is provided with a protruding claw, the shell cover is provided with a clamping hole aligned with the claw, and the shell cover is connected to the filter slot plate through the clamping of the claw and the clamping hole.

5. The portable fresh air system according to claim 4, characterized in that: The housing cover is hinged with an unlocking piece at a position corresponding to the clamping hole. The unlocking piece is provided with a pressing portion aligned with the clamping claw. Pressing the unlocking piece can cause the pressing portion to squeeze the clamping claw out of the clamping hole.

6. The portable fresh air system according to claim 1, characterized in that: The fresh air component also includes a connecting hose. A protruding air outlet pipe is provided at the air outlet. The connecting hose is detachably connected to the air outlet pipe.

7. The portable fresh air system according to claim 6, characterized in that: A connector is provided at the end of the connecting hose, and a sealing gasket is provided on the connector. The connector is threadedly connected to the air outlet pipe so that the sealing gasket fits with the end of the air outlet pipe.

8. The portable fresh air system according to claim 1, characterized in that: When the connection frame is connected to the housing base, the surface of the connection frame is flush with the surface of the housing base.

9. The portable fresh air system according to claim 1, characterized in that: The portable fresh air system also includes a power supply module electrically connected to the exhaust fan, and the power supply module includes at least one of a power plug and a solar panel.

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