A wall-mounted fresh air system

Abstract

This utility model discloses a wall-mounted fresh air unit, comprising a duct assembly and a fan assembly. The duct assembly and fan assembly each have a first channel and a second channel, respectively. The fan assembly is detachably mounted on the right end of the duct assembly. The first channel and the second channel are connected. The duct assembly passes through a pre-installed hole in the wall. When the fan assembly is located inside the wall, it can operate to allow air from outside the wall to flow sequentially through the first and second channels and then be delivered to the inside of the wall; alternatively, it can operate to allow air from inside the wall to flow sequentially through the second channel and the first channel and then be delivered to the outside of the wall. With this structure, when a user needs to replace the wall-mounted fresh air unit with a more powerful one to achieve better ventilation, the user only needs to disassemble and replace the fan assembly with the corresponding power. The duct assembly, which passes through the pre-installed hole in the wall, can be retained and reused. Therefore, it can significantly reduce replacement costs and operational complexity.

Description

Technical Field

[0001] This utility model relates to the field of ventilation technology, and in particular to a wall-mounted fresh air unit. Background Technology

[0002] With the development of the times and people's pursuit of a high-quality life, a new type of air purifier that can improve indoor air quality and create a healthy and comfortable home environment has emerged. Among them, wall-mounted air purifiers, which are easy to install and can be directly installed in pre-drilled holes in indoor walls, are favored by most consumers. However, after market research and studying user feedback, the inventors found that when users need to replace their wall-mounted air purifiers with more powerful ones to achieve better ventilation, they need to completely disassemble the existing one installed in the pre-drilled holes in the wall and then purchase and install a wall-mounted air purifier with the corresponding power. Therefore, the replacement cost is high and the replacement operation is cumbersome. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a wall-mounted fresh air unit.

[0004] A wall-mounted fresh air system according to an embodiment of the present invention includes a duct assembly and a fan assembly. The duct assembly and the fan assembly are respectively provided with a first channel and a second channel. The fan assembly is detachably disposed at the right end of the duct assembly. The first channel and the second channel are connected. The duct assembly passes through a pre-installed hole in the wall. When the fan assembly is located inside the wall, the fan assembly can operate to allow air outside the wall to flow sequentially through the first channel and the second channel and then be delivered to the inside of the wall. Alternatively, the fan assembly can operate to allow air inside the wall to flow sequentially through the second channel and the first channel and then be delivered to the outside of the wall.

[0005] A wall-mounted fresh air system according to an embodiment of the present utility model has at least the following beneficial effects:

[0006] With the above structure, the wall-mounted fresh air unit is designed as a separable duct assembly and fan assembly. When users need to replace it with a wall-mounted fresh air unit with a higher power to obtain better ventilation, they only need to disassemble and replace the fan assembly with the corresponding power. The duct assembly, which is installed in the pre-installed hole in the wall, can be retained and reused. In other words, the above method does not require the replacement of the entire unit. Therefore, it can avoid the trouble of disassembling the entire device and purchasing and installing a new unit with the corresponding power in the traditional method. Thus, it can significantly reduce replacement costs and the complexity of replacement operations.

[0007] According to some embodiments of the present invention, the duct assembly includes a hollow duct component, an outer cover and a mounting base respectively disposed at the left and right ends of the duct component, the duct component being used to pass through a pre-installed hole in the wall, the outer cover and the mounting base being used to be installed on the outer side and the inner side of the wall respectively, the inner cavity of the duct component being the first channel, and the fan assembly being detachably disposed through the mounting base and the first channel and abutting against the right side of the mounting base.

[0008] According to some embodiments of this utility model, the fan assembly includes a fan housing and a fan module. The fan housing includes a plug shell and a panel shell connected on the left and right sides. The inner cavity of the plug shell communicates with the inner cavity of the panel shell to form a second channel. The plug shell is detachably inserted through the mounting base and the first channel. The inner cavity of the plug shell communicates with the first channel. The panel shell abuts against the right side of the mounting base. The fan module is disposed in the inner cavity of the plug shell. The duct assembly passes through a pre-installed hole in the wall. When the fan assembly is located inside the wall, the fan module can operate to allow air outside the wall to flow sequentially through the first channel and the second channel and then be delivered to the inside of the wall. Alternatively, the fan module can operate to allow air inside the wall to flow sequentially through the second channel and the first channel and then be delivered to the outside of the wall.

[0009] According to some embodiments of the present invention, one of the mounting base and the panel shell is provided with a power receiving base, and the other is provided with a power receiving block. The fan module is electrically connected to the power receiving base or the power receiving block. The insert shell is detachably inserted through the mounting base and the first channel. When the panel shell abuts against the right side of the mounting base, the power receiving block is detachably inserted into the power receiving base.

[0010] According to some embodiments of the present invention, the panel shell is provided with an air vent communicating with its inner cavity. The air vent is used to output air from the second channel to the inner side of the wall, or to allow air from the inner side of the wall to enter the second channel. The panel shell is detachably fitted with a shield, which shields the air vent.

[0011] According to some embodiments of the present invention, the outer cover is provided with a hollow extension cylinder portion, the extension cylinder portion is fitted with a sealing ring, the extension cylinder portion is inserted into the first channel and abuts against the side wall of the first channel through the sealing ring, wherein the duct assembly passes through a pre-installed hole in the wall, and when the fan assembly is located inside the wall, air outside the wall can enter the first channel through the inner cavity of the extension cylinder portion, or air in the first channel can be transported to the outside of the wall through the inner cavity of the extension cylinder portion.

[0012] According to some embodiments of the present invention, the outer cover is provided with a breathable grille, which is located at the left end of the extension cylinder and is provided corresponding to the left end opening of the extension cylinder.

[0013] According to some embodiments of the present invention, the outer cover is provided with a rain shield, which is located at the left end of the extension cylinder and covers the left end opening of the extension cylinder.

[0014] According to some embodiments of the present invention, a ceramic core is provided in the first channel. Attached Figure Description

[0015] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0016] Figure 1 This is a partial exploded view of an embodiment of the wall-mounted fresh air unit of this utility model;

[0017] Figure 2 for Figure 1 The cross-sectional view of the wall-mounted fresh air unit shown in the image after the shielding has been removed;

[0018] Figure 3 for Figure 1 The exploded view of the wall-mounted fresh air unit shown in the image after the shielding has been removed;

[0019] Figure 4 for Figure 3 The image shows a partial exploded view of the wind turbine assembly.

[0020] Figure label:

[0021] Duct assembly 100, duct fitting 110, outer cover 120, extension tube 121, grille 122, mounting base 130, clearance hole 131;

[0022] Fan assembly 200, fan housing 210, insert housing 211, panel housing 212, air outlet 212A, fan module 220;

[0023] 310 connector, 320 connector;

[0024] 410 shield, 420 sealing ring, 430 rain cover, 440 ceramic core, 450 grille;

[0025] First channel S1, second channel S2. Detailed Implementation

[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0027] In the description of this utility model, the use of terms such as first, second, third, fourth, and fifth is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features indicated, or implicitly indicating the order of the technical features indicated.

[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0030] Reference Figures 1 to 4 This utility model provides a wall-mounted fresh air unit, which includes a duct assembly 100 and a fan assembly 200. The duct assembly 100 and the fan assembly 200 are respectively provided with a first channel S1 and a second channel S2. The fan assembly 200 is detachably disposed at the right end of the duct assembly 100. The first channel S1 and the second channel S2 are connected. The duct assembly 100 passes through a pre-installed hole in the wall. When the fan assembly 200 is located inside the wall, the fan assembly 200 can operate to allow air outside the wall to flow sequentially through the first channel S1 and the second channel S2 and then be delivered to the inside of the wall. Alternatively, the fan assembly 200 can operate to allow air inside the wall to flow sequentially through the second channel S2 and the first channel S1 and then be delivered to the outside of the wall.

[0031] It is understandable that the outer side of the wall is the side that contacts the outside, and the inner side of the wall is the side that contacts the interior.

[0032] With the above structure, the wall-mounted fresh air unit is designed as a separable duct assembly 100 and a fan assembly 200. When the user needs to replace it with a wall-mounted fresh air unit with a higher power to obtain better ventilation, the user only needs to disassemble and replace the fan assembly 200 with the corresponding power. The duct assembly 100, which is installed in the pre-installed hole in the wall, can be retained and reused. In other words, the above method does not require the replacement of the whole unit. Therefore, it can avoid the trouble of disassembling the entire device and repurchasing and installing a whole unit with the corresponding power in the traditional method. Thus, it can greatly reduce the replacement cost and the complexity of the replacement operation.

[0033] In this embodiment, refer to Figures 1 to 3 The duct assembly 100 includes a hollow duct piece 110, an outer cover 120 and a mounting base 130 respectively located at the left and right ends of the duct piece 110. The duct piece 110 is used to pass through a pre-installed hole in the wall. The outer cover 120 and the mounting base 130 are used to be installed on the outer side and inner side of the wall, respectively. The inner cavity of the duct piece 110 is the aforementioned first channel S1. The fan assembly 200 is detachably installed through the mounting base 130 and the first channel S1 and abuts against the right side of the mounting base 130.

[0034] It is understandable that the fan assembly 200 is detachably installed in the first channel S1, that is, the fan assembly 200 is detachably installed in the right end of the duct fitting 110.

[0035] It is understood that, in this embodiment, reference is made to... Figure 3 The mounting base 130 is provided with a clearance hole 131 opposite to the right end opening of the duct fitting 110 (or, in other words, the mounting base 130 is provided with a clearance hole 131 communicating with the first channel S1). Therefore, the fan assembly 200 is detachably installed in the mounting base 130, that is, the fan assembly 200 is detachably installed in the clearance hole 131. Of course, in some embodiments, the mounting base 130 is sleeved on the right end of the duct fitting 110, and the fan assembly 200 is only detachably installed in the first channel S1 (or, in other words, the fan assembly 200 is only detachably installed in the right end opening of the duct fitting 110).

[0036] With the above structure, the user only needs to align the fan assembly 200 and push it into place until it touches the right side of the mounting base 130 to complete the installation of the fan assembly 200.

[0037] In this embodiment, refer to Figures 1 to 4The fan assembly 200 includes a fan housing 210 and a fan module 220. The fan housing 210 includes a plug shell 211 and a panel shell 212 connected on the left and right sides. The inner cavity of the plug shell 211 communicates with the inner cavity of the panel shell 212 to form the second channel S2. The plug shell 211 is detachably inserted into the mounting base 130 and the first channel S1, and the inner cavity of the plug shell 211 communicates with the first channel S1. The panel shell 212 abuts against the right side of the mounting base 130. The fan module 220 is disposed in the inner cavity of the plug shell 211. In the process, the duct assembly 100 passes through the pre-installed hole in the wall. When the fan assembly 200 is located inside the wall, the fan module 220 includes connected fan blades and a motor. The fan module 220 can work (i.e. the motor can drive the fan blades to rotate) so that the air outside the wall flows through the first channel S1 and the second channel S2 in sequence and is then delivered to the inside of the wall. Alternatively, the fan module 220 can work (the motor can drive the fan blades to rotate) so that the air inside the wall flows through the second channel S2 and the first channel S1 in sequence and is then delivered to the outside of the wall.

[0038] With the above structure, the fan assembly 200 of the wall-mounted fresh air unit of this application can be installed in a window and used as an exhaust fan after disassembly. Specifically, the fan assembly 200 is installed in the window, and the insert housing 211 passes through the pre-installation hole in the window, while the panel housing 212 abuts against the inside of the window.

[0039] The inner cavity of the insert shell 211 is connected to the first channel S1, and the inner cavity of the insert shell 211 is connected to the inner cavity of the panel shell 212. For details, refer to... Figure 2 and Figure 4 The inner cavity of the insert shell 211 is hollow. The left end opening of the inner cavity of the insert shell 211 is located in and connected to the first channel S1, and the right end opening of the inner cavity of the insert shell 211 is connected to the inner cavity of the panel shell 212. The left end opening of the inner cavity of the insert shell 211 is provided with a breathable grille 450.

[0040] In this embodiment, refer to Figure 4 The panel housing 212 is composed of three detachably connected parts to facilitate the design and production of the panel housing 212.

[0041] In this embodiment, refer to Figure 3 and Figure 4 The mounting base 130 is provided with a power connector 310, and the panel shell 212 is provided with a power connector 320. The motor component of the fan module 220 is electrically connected to the power connector 320. The insert shell 211 is detachably inserted through the mounting base 130 and the first channel S1. When the panel shell 212 abuts against the right side of the mounting base 130, the power connector 320 is detachably inserted into the power connector 310.

[0042] Understandably, the power connector 310 of the mounting base 130 is used for electrical connection to an external power source.

[0043] With the above structure, the power connection of the fan assembly 200 is completed at the same time as the fan assembly 200 is installed.

[0044] In some embodiments, the power connection block 320 is disposed on the mounting base 130, and the power connection base 310 is disposed on the panel housing 212.

[0045] In this embodiment, refer to Figure 1 The panel housing 212 is provided with an air vent 212A communicating with its inner cavity. The air vent 212A is used to output air from the second channel S2 to the inner side of the wall, or to allow air from the inner side of the wall to enter the second channel S2. The panel housing 212 is detachably fitted with a shield 410, which shields the air vent 212A to prevent external dust from entering through the air vent 212A and contaminating the second channel S2 when the wall-mounted fresh air unit of this application is idle.

[0046] The outer cover 120 is located at the left end of the duct component 110. For details, refer to... Figure 2 and Figure 3 The outer cover 120 is provided with a hollow extension cylinder 121. The extension cylinder 121 is fitted with a sealing ring 420. The extension cylinder 121 is inserted into the first channel S1 and abuts against the side wall of the first channel S1 through the sealing ring 420. The duct assembly 100 passes through the pre-installed hole in the wall. When the fan assembly 200 is located inside the wall, the air outside the wall can enter the first channel S1 through the inner cavity of the extension cylinder 121, or the air in the first channel S1 can be transported to the outside of the wall through the inner cavity of the extension cylinder 121.

[0047] In this embodiment, refer to Figures 1 to 3 The outer cover 120 is provided with a breathable grille 122, which is located at the left end of the extension cylinder 121 and is provided corresponding to the left end opening of the extension cylinder 121. The grille 122 can block large debris from the outside of the wall to prevent large debris from entering the inner cavity of the extension cylinder 121 and even the first channel S1 through the left end opening of the extension cylinder 121.

[0048] In this embodiment, refer to Figures 1 to 3 The outer cover 120 is provided with a rain shield 430, which is located at the left end of the extension cylinder 121 and covers the left end opening of the extension cylinder 121. The rain shield 430 can block rainwater from the outside of the wall to prevent rainwater from entering the inner cavity of the extension cylinder 121 and even the first channel S1 through the left end opening of the extension cylinder 121.

[0049] In this embodiment, refer to Figure 2 and Figure 3 The first channel S1 is equipped with a ceramic core 440.

[0050] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A wall-mounted fresh air machine, characterized in that: The wall type fresh air machine comprises a duct assembly (100) and a fan assembly (200), the duct assembly (100) and the fan assembly (200) are respectively provided with a first channel (S1) and a second channel (S2), the fan assembly (200) is detachably arranged at the right end of the duct assembly (100), the first channel (S1) and the second channel (S2) are communicated, wherein the duct assembly (100) is arranged in the pre-installed hole of the wall, when the fan assembly (200) is located in the inner side of the wall, the fan assembly (200) can work to make the air outside the wall flow through the first channel (S1) and the second channel (S2) in sequence and then be transported to the inner side of the wall, or the fan assembly (200) can work to make the air inside the wall flow through the second channel (S2) and the first channel (S1) in sequence and then be transported to the outer side of the wall.

2. The wall type fresh air machine according to claim 1, characterized in that the duct assembly (100) comprises a hollow duct piece (110), and a cover piece (120) and a mounting seat (130) arranged at the left and right ends of the duct piece (110) respectively, the duct piece (110) is arranged in the pre-installed hole of the wall, the cover piece (120) and the mounting seat (130) are arranged on the outer side and the inner side of the wall respectively, the inner cavity of the duct piece (110) is the first channel (S1), the fan assembly (200) is detachably arranged in the mounting seat (130) and the first channel (S1) and abuts against the right side of the mounting seat (130).

3. The wall type fresh air machine according to claim 2, characterized in that the fan assembly (200) comprises a fan shell (210) and a fan module (220), the fan shell (210) comprises a left and right arranged plug-in cylinder shell (211) and a panel shell (212) connected, the inner cavity of the plug-in cylinder shell (211) and the inner cavity of the panel shell (212) are communicated to form the second channel (S2), the plug-in cylinder shell (211) is detachably arranged in the mounting seat (130) and the first channel (S1), the inner cavity of the plug-in cylinder shell (211) is communicated with the first channel (S1), the panel shell (212) abuts against the right side of the mounting seat (130), and the fan module (220) is arranged in the inner cavity of the plug-in cylinder shell (211), wherein the duct assembly (100) is arranged in the pre-installed hole of the wall, when the fan assembly (200) is located in the inner side of the wall, the fan module (220) can work to make the air outside the wall flow through the first channel (S1) and the second channel (S2) in sequence and then be transported to the inner side of the wall, or the fan module (220) can work to make the air inside the wall flow through the second channel (S2) and the first channel (S1) in sequence and then be transported to the outer side of the wall.

4. The wall type fresh air machine according to claim 3, characterized in that One of the mounting base (130) and the panel shell (212) is provided with an electrical connector (310), and the other is provided with an electrical block (320). The fan module (220) is electrically connected with the electrical connector (310) or the electrical block (320), wherein, The plug-in cylinder shell (211) is detachably arranged in the mounting base (130) and the first channel (S1). When the panel shell (212) abuts against the right side of the mounting base (130), the electrical block (320) is detachably arranged in the electrical connector (310).

5. The wall-mounted fresh air machine according to claim 3, characterized in that: The panel shell (212) is provided with an air outlet (212A) communicating with the inner cavity thereof, the air outlet (212A) is used for outputting air in the second channel (S2) to the inner side of the wall, or for allowing air on the inner side of the wall to enter the second channel (S2), and the panel shell (212) is detachably sleeved with a shielding cover (410) shielding the air outlet (212A).

6. The wall-mounted fresh air machine according to claim 2, characterized in that: The outer cover (120) is provided with a hollow extension cylinder portion (121), the extension cylinder portion (121) is sleeved with a sealing ring (420), the extension cylinder portion (121) is arranged in the first channel (S1) and abuts against the side wall of the first channel (S1) through the sealing ring (420), wherein, The air duct assembly (100) is arranged in the pre-installed hole of the wall, and when the fan assembly (200) is located on the inner side of the wall, air on the outer side of the wall can enter the first channel (S1) through the inner cavity of the extension cylinder portion (121), or air in the first channel (S1) can be delivered to the outer side of the wall through the inner cavity of the extension cylinder portion (121).

7. The wall-mounted fresh air machine according to claim 6, characterized in that: The outer cover (120) is provided with a breathable grid portion (122), the grid portion (122) is located at the left end of the extension cylinder portion (121) and is arranged corresponding to the left end cylinder port of the extension cylinder portion (121).

8. The wall-mounted fresh air machine according to claim 6, characterized in that: The outer cover (120) is provided with a rain shielding cover (430), the rain shielding cover (430) is located at the left end of the extension cylinder portion (121) and covers the left end cylinder port of the extension cylinder portion (121).

9. The wall-mounted fresh air machine according to claim 1 or 2, characterized in that: The first channel (S1) is provided with a ceramic core (440).

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