Air filter device and purified drinking machine

Abstract

The utility model provides a kind of air filter and pure drinking machine, belong to pure drinking machine technical field.The air filter device includes filter main body, and filter structure is arranged in filter main body;The side of filter main body is provided with connecting nipple, and the one end of connecting nipple is communicated with air inlet pipe, and the other end of air inlet pipe is communicated with the ice tank of pure drinking machine.The filter device can be applied to the air inlet pipe of pure drinking machine, filter air, can effectively reduce the pollution of harmful substance in air to waterway system, to significantly improve the quality of pure drinking machine output drinking water.

Description

Technical Field

[0001] This utility model relates to the field of water purifier technology, and in particular to an air filtration device and a water purifier. Background Technology

[0002] In today's drinking water treatment equipment field, water purifiers, as devices that provide users with convenient and safe drinking water, have been widely used. Among them, the water system of a water purifier plays a crucial role in ensuring the quality of drinking water. Currently, most commercially available water purifiers use an open design for air injection. This open air injection method allows air to directly communicate with the external environment when entering the water system, without any effective filtration. Since the outside air inevitably contains various harmful substances, such as dust particles, microorganisms (including bacteria, viruses, fungi, etc.), harmful gases (such as sulfur dioxide, nitrogen oxides, volatile organic compounds, etc.), and other impurities, when this unfiltered air enters the water purifier's water system, these harmful substances will also enter the water, thus contaminating the system. Over time, this contamination gradually accumulates, not only affecting the taste and odor of the drinking water, but more seriously, potentially posing a threat to the user's health. For example, bacteria and viruses can grow and multiply in water, potentially causing health problems such as intestinal diseases and respiratory infections; harmful gases dissolved in water may alter the water's chemical properties, and long-term consumption may have adverse effects on organs such as the liver and kidneys.

[0003] Therefore, it is necessary to improve the water system of existing water purifiers to overcome the shortcomings of existing technology. Summary of the Invention

[0004] To overcome the problems existing in related technologies, one of the objectives of this utility model is to provide an air filtration device that can be applied to the air intake pipe of a water purifier to filter the air, effectively reducing the pollution of the water system by harmful substances in the air, thereby significantly improving the quality of the drinking water output by the water purifier.

[0005] An air filtration device, comprising:

[0006] A filter body, wherein a filter structure is provided in the filter body;

[0007] A connecting connector is provided on one side of the filter body. The connecting connector is connected to one end of the air inlet pipe, and the other end of the air inlet pipe is connected to the ice tank of the water purifier.

[0008] In a preferred embodiment of this invention, the filter body includes a first housing and a second housing that are interlocked with each other, and a receiving cavity is formed between the first housing and the second housing, and the filter structure is disposed in the receiving cavity.

[0009] In a preferred embodiment of this invention, the second housing is provided with a plurality of air inlets, which are arranged circumferentially on the side wall of the second housing.

[0010] In a preferred embodiment of this utility model, the filtration structure includes a plurality of filter layers disposed in the first housing and a filter cylinder disposed in the second housing;

[0011] Along the radial direction of the filter cylinder, a pre-filtration layer, a nanofiber filtration layer, and an activated carbon filtration layer are arranged from the outside to the inside of the filter cylinder. A flow zone is formed in the middle of the filter cylinder, and the flow zone is connected to the first shell.

[0012] The filter layer in the first housing includes an antibacterial and deodorizing layer and a high-efficiency HEPA filter layer.

[0013] In a preferred embodiment of this invention, the connecting joint includes a plug and a ring sleeve. The ring sleeve is disposed around the plug. The plug is inserted into the air intake pipe, and the ring sleeve is threadedly connected to the outer wall of the air intake pipe.

[0014] The second objective of this utility model is to provide a water purifier, which includes a main body and an air filtration device as described above. The main body is provided with an ice chamber, the ice chamber is provided with an air inlet pipe, and the air filtration device is provided on the air inlet pipe.

[0015] In a preferred embodiment of this utility model, a water outlet is provided on the front side of the main body, and a guide rail is also provided on the main body, with the water outlet slidably mounted on the guide rail.

[0016] The beneficial effects of this utility model are as follows:

[0017] This utility model provides an air filtration device, which includes a filter body containing a filter structure. A connecting connector is located on one side of the filter body, connecting to one end of an air inlet pipe, and the other end of the air inlet pipe connects to the ice chamber of a water purifier. In practical applications, the connecting connector adopts a quick-connect design with a sealing ring on its inner wall to ensure a tight seal and prevent air leakage. The air inlet pipe is made of food-grade silicone, which has good flexibility and corrosion resistance. When installing this air filtration device on a water purifier, simply connect one end of the air inlet pipe to the filter body via the connecting connector, and connect the other end to the air inlet of the water purifier's ice chamber; the installation process is simple and quick. This filtration device can be applied to the air intake pipe of a water purifier, performing multi-level and efficient filtration of the air entering the water purifier's ice chamber. This effectively reduces the content of harmful substances such as dust particles, microorganisms, and harmful gases in the air, thereby significantly reducing the pollution of the water system by these harmful substances, ensuring the cleanliness of the water system, and ultimately improving the quality of the drinking water output by the water purifier, allowing users to drink safer and healthier water.

[0018] This application also provides a water purifier that includes the aforementioned air filtration device. The air filtration device is installed on the air inlet pipe of the ice tank of the water purifier, thereby reducing the probability of the ice tank being contaminated and reducing the cost of maintaining the ice tank, thus reducing the operating cost of the water purifier. Attached Figure Description

[0019] Figure 1 This is a perspective view of the air filtration device provided in the embodiments of this utility model installed on a water purifier;

[0020] Figure 2 This is a schematic diagram of the filter body provided in an embodiment of this utility model;

[0021] Figure 3 This is a schematic diagram of the connecting joint provided in an embodiment of this utility model;

[0022] Figure 4 This is a perspective view of a water purifier provided in an embodiment of the present invention.

[0023] Figure label:

[0024] 1. Filter body; 11. First housing; 12. Second housing; 121. Air inlet; 13. Connecting connector; 131. Plug connector; 132. Ring sleeve; 2. Air inlet pipe; 3. Ice chamber; 4. Main body; 3. Connecting rod assembly; 4. Box door; 41. Guide rail; 5. Water outlet; 6. Filter structure; 61. Filter cartridge; 611. Pre-filtration layer; 612. Nanofiber filtration layer; 613. Activated carbon filtration layer; 621. Antibacterial and deodorizing layer; 622. High-efficiency HEPA filter layer. Detailed Implementation

[0025] Preferred embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

[0026] Most commercially available water purifiers use an open design for their air injection systems. This open design allows air to directly interact with the external environment upon entering the system, without any effective filtration. Since outside air inevitably contains various harmful substances, such as dust particles, microorganisms (including bacteria, viruses, and fungi), harmful gases (such as sulfur dioxide, nitrogen oxides, and volatile organic compounds), and other impurities, these unfiltered air particles enter the water purifier's system, contaminating the system. Over time, this contamination accumulates, affecting not only the taste and odor of the drinking water but also potentially posing a health risk to users. For example, bacteria and viruses can multiply in the water, potentially causing intestinal diseases and respiratory infections; harmful gases dissolved in the water can alter its chemical properties, and long-term consumption may adversely affect organs such as the liver and kidneys.

[0027] Based on this, this application provides an air filtration device.

[0028] Example 1

[0029] like Figures 1-3 As shown, this embodiment provides an air filtration device, comprising:

[0030] A filter body 1, wherein a filter structure 6 is provided in the filter body 1;

[0031] A connecting connector 13 is provided on one side of the filter body 1. The connecting connector 13 is connected to one end of the air inlet pipe 2, and the other end of the air inlet pipe 2 is connected to the ice tank 3 of the water purifier.

[0032] Specifically, the filter structure 6 of this application adopts a multi-layer composite filter design, consisting of a pre-filter layer, a high-efficiency filter layer, and an antibacterial layer, starting from the air inlet. The pre-filter layer is made of non-woven fabric, which can effectively intercept larger dust particles and impurities in the air; the high-efficiency filter layer is a HEPA filter, which can filter out micron-sized particles, microorganisms, etc. in the air; the antibacterial layer is coated with nano-silver antibacterial material, which can inhibit the reproduction of bacteria, viruses, and other microorganisms.

[0033] The connector 13 adopts a quick-connect structure design, which is convenient for installation and replacement.

[0034] The aforementioned air filtration device includes a filter body 1, within which a filter structure 6 is installed. A connecting connector 13 is located on one side of the filter body 1, connecting connector 13 to one end of an air inlet pipe 2, and the other end of the air inlet pipe 2 to the ice chamber 3 of a water purifier. In practical applications, the connecting connector 13 adopts a quick-connect design, with a sealing ring on its inner wall to ensure a tight seal and prevent air leakage. The air inlet pipe 2 is made of food-grade silicone, possessing good flexibility and corrosion resistance. When installing this air filtration device onto a water purifier, simply connect one end of the air inlet pipe 2 to the filter body 1 via the connecting connector 13, and connect the other end to the air inlet 121 of the ice chamber 3 of the water purifier; the installation process is simple and quick. This filtration device can be applied to the air inlet pipe 2 of the water purifier, and can perform multi-level and efficient filtration of the air entering the water purifier's ice tank 3. It effectively reduces the content of harmful substances such as dust particles, microorganisms, and harmful gases in the air, thereby significantly reducing the pollution of the water system by these harmful substances, ensuring the cleanliness of the water system, and thus improving the quality of the drinking water output by the water purifier, allowing users to drink safer and healthier water.

[0035] In one embodiment, the filter body 1 includes a first housing 11 and a second housing 12 that are interlocked with each other, forming a receiving cavity between the first housing 11 and the second housing 12, and the filter structure 6 is disposed in the receiving cavity.

[0036] Furthermore, the second housing 12 is provided with a plurality of air inlets 121, which are arranged circumferentially on the side wall of the second housing 12.

[0037] The filter body 1 of this application includes a first housing 11 and a second housing 12 that are interlocked. The two are quickly assembled using an annular groove and snap-fit ​​structure. A sealing strip is provided at the interlocking point to prevent leakage of unfiltered air. After assembly, the first housing 11 and the second housing 12 form a central accommodating cavity, within which the filter structure 6 is disposed. The sidewall of the second housing 12 has multiple strip-shaped air inlets 121 evenly arranged circumferentially. The air inlets 121 are covered with a dustproof mesh, which can initially intercept hair and large dust particles, preventing clogging of the air inlets 121.

[0038] Furthermore, the filter structure 6 includes a plurality of filter layers disposed in the first housing 11 and a filter cylinder 61 disposed in the second housing 12;

[0039] Along the radial direction of the filter cylinder 61, the filter cylinder 61 is provided with a pre-filtration layer 611, a nanofiber filtration layer 612 and an activated carbon filtration layer 613 from the outside to the inside. A flow area is formed in the middle of the filter cylinder 61, and the flow area is connected to the first shell 11.

[0040] The filter layer in the first housing 11 includes an antibacterial and deodorizing layer 621 and a high-efficiency HEPA filter layer 622.

[0041] The filter cartridge 61 is a hollow cylinder, with a pre-filtration layer 611, a nanofiber filter layer 612, and an activated carbon filter layer 613 arranged radially from the outside to the inside. The pre-filtration layer 611 is made of polyester fiber and can filter particulate impurities larger than 5μm; the nanofiber filter layer 612 is treated with an electrostatic electret process, achieving a filtration efficiency of 99.97% for particles as small as 0.3μm; the activated carbon filter layer 613 is made of coconut shell activated carbon, which has a well-developed pore structure and can adsorb harmful gases such as formaldehyde and odors. A flow zone is formed in the middle of the filter cartridge 61, through which air enters the first housing 11 after being filtered through the three layers.

[0042] An antibacterial and deodorizing layer 621 and a high-efficiency HEPA filter layer 622 are sequentially arranged inside the first housing 11 along the airflow direction. The antibacterial and deodorizing layer 621 is coated with a titanium dioxide photocatalytic coating, which can decompose bacterial cell walls under natural light; the high-efficiency HEPA filter layer 622 is made of ultra-fine glass fiber, with a filtration efficiency of over 99.99% for 0.1μm particles, ensuring that the air entering the water storage tank meets food-grade cleanliness standards.

[0043] Furthermore, the connecting joint 13 includes a plug 131 and a ring 132. The ring 132 is disposed around the plug 131. The plug 131 is plugged into the air intake pipe 2, and the ring 132 is threadedly connected to the outer wall of the air intake pipe 2.

[0044] In this embodiment, the connector 131 is a hollow cylinder made of food-grade PP material. The inner wall has an annular ridge, and the surface of the ridge is covered with an anti-slip silicone layer. The outer diameter of the connector 131 is interference-fitted with the inner diameter of the air intake pipe 2 (tolerance ±0.1mm). When inserted into the air intake pipe 2, the ridge can puncture tiny air bubbles on the inner wall of the pipe, forming a mechanical locking effect to prevent axial detachment.

[0045] The ring 132 is fitted around the plug 131, with a right-hand fine thread (1mm pitch) machined on its inner wall and anti-slip knurling on its outer wall. The ring 132 and the plug 131 are positioned by a guide groove to ensure that the axes are aligned when the threads are engaged. When the ring 132 rotates clockwise, its inner thread pushes the outer wall of the intake pipe 2 inward, forming a double fixing structure of "mechanical engagement + radial compression" with the protrusion of the plug 131.

[0046] The design of the connector 13 in this application ensures that the connection between the filter device and the air inlet pipe 2 remains secure, preventing unfiltered air from directly entering the water system due to loosening of the connector.

[0047] Example 2

[0048] like Figures 1-4 As shown, this embodiment provides a water purifier, including a main body 4 and an air filtration device as described above. The main body 4 is provided with an ice tank 3, the ice tank 3 is provided with an air inlet pipe 2, and the air filtration device is provided on the air inlet pipe 2.

[0049] Furthermore, a water outlet 5 is provided on the front side of the main body 4, and a guide rail 41 is also provided on the main body 4, with the water outlet 5 slidably mounted on the guide rail 41. This water purifier directly filters the air entering the ice chamber 3 through an air filtration device, solving the problem of microbial growth caused by the open air intake of the ice chamber 3 in traditional water purifiers. In addition, the design of the water outlet 5 sliding along the guide rail 41 breaks the height limitation of the traditional fixed water outlet 5, and in actual tests, it can accommodate the water filling needs of cups from 100mm low mouth to 300mm high kettles. Users do not need to tilt the container when filling water, avoiding splashing caused by water flow impact (the splashing rate of the traditional fixed water outlet 5 is about 15%), and improving water filling efficiency by 40%. Even better, the guide rail 41 can have a built-in damper, which makes the sliding smooth (damping force 8-12N) and can lock at any position to prevent accidental slippage.

[0050] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings. In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms 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, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0051] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0052] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, these terms have no special meaning and therefore should not be construed as limiting the scope of protection of this application. The above description is only a preferred embodiment of this utility model and is not intended to limit this utility model. For those skilled in the art, this utility model can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. An air filtration device, characterized in that, include: A filter body, wherein a filter structure is provided in the filter body; A connecting connector is provided on one side of the filter body. The connecting connector is connected to one end of the air inlet pipe, and the other end of the air inlet pipe is connected to the ice tank of the water purifier.

2. The air filtration device according to claim 1, characterized in that: The filter body includes a first housing and a second housing that are interlocked with each other, forming a receiving cavity between the first housing and the second housing, and the filter structure is disposed in the receiving cavity.

3. The air filtration device according to claim 2, characterized in that: The second housing is provided with a plurality of air inlets, which are arranged circumferentially on the side wall of the second housing.

4. The air filtration device according to claim 3, characterized in that: The filtration structure includes a plurality of filter layers disposed in the first housing and a filter cylinder disposed in the second housing; Along the radial direction of the filter cylinder, a pre-filtration layer, a nanofiber filtration layer, and an activated carbon filtration layer are arranged from the outside to the inside of the filter cylinder. A flow zone is formed in the middle of the filter cylinder, and the flow zone is connected to the first shell. The filter layer in the first housing includes an antibacterial and deodorizing layer and a high-efficiency HEPA filter layer.

5. The air filtration device according to claim 1, characterized in that: The connecting joint includes a plug and a ring. The ring is disposed around the plug. The plug is inserted into the air intake pipe, and the ring is threaded to the outer wall of the air intake pipe.

6. A water purifier, characterized in that: The device includes a main body and an air filtration device as described in any one of claims 1-5, wherein the main body is provided with an ice chamber, the ice chamber is provided with an air inlet pipe, and the air filtration device is disposed on the air inlet pipe.

7. The water purifier according to claim 6, characterized in that: The main body is provided with a water outlet on the front side, and a guide rail is also provided on the main body, with the water outlet slidably mounted on the guide rail.

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