Double-air-inlet type household fresh air purifier
The dual air inlet design and multi-stage filter structure solve the limitations of traditional air purifiers and the inconvenience of filter replacement, achieve multi-stage air purification and rapid maintenance, and improve the convenience and purification effect of household air purifiers.
Patent Information
- Application Number
- CN202422900188.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Most traditional household air purifiers have a single-sided air inlet design, which limits their use, makes the filter easily clogged, and makes filter replacement and maintenance inconvenient.
It is designed with a dual air-inlet structure and adopts a multi-stage filter element consisting of fiber filter, activated carbon filter, HEPA filter and negative ion purification net. The filter element can be quickly disassembled and assembled through sliding connection and threaded hole design, and the air can be inlet on both sides to improve the air purification effect and convenience.
It realizes multi-stage purification of air, quick replacement and maintenance of filter elements, reduces usage limitations, and improves convenience and practicality of use.
Smart Images

Figure CN223399890U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of household air purifiers, in particular to a double-inlet household fresh air purifier. Background Art
[0002] Air purification refers to the process of removing harmful substances such as particulate matter, gaseous pollutants, bacteria and viruses from the air through specific technologies and methods, thereby improving air quality and ensuring people's health and living environment comfort;
[0003] A home air purifier is a device used to remove indoor air pollutants. Its main functions include removing dust, pollen, odors, formaldehyde, bacteria, and allergens, thereby effectively improving indoor air cleanliness.12 Home air purifiers typically consist of a system consisting of a high-voltage circuit, a negative ion generator, a ventilator, and an air filter. They work by adsorbing, decomposing, and purifying airborne pollutants through filters and cartridges. Common filter materials include HEPA filters and activated carbon.
[0004] Most traditional household air purifiers have a single-sided air inlet structure design, so in actual use, air can only be processed on a single side of the body, which has certain usage limitations. In addition, the filter inside the household air purifier will cause blockage after long-term use, so it needs to be replaced or maintained. Traditional household air purifiers have the problem of inconvenient filter element replacement and maintenance, which reduces the convenience of use. For this reason, the utility model proposes a double-inlet household fresh air purifier that is easy to replace the filter element. Utility Model Content
[0005] The purpose of the present utility model is to provide a double-inlet household fresh air purifier to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a dual-inlet household fresh air purifier, comprising an outer shell, a fan base fixedly installed inside the outer shell, the fan base being fixedly installed on the fan base by bolts. The air inlet of the fan is fixedly connected to the air inlet main pipe, the two sides of the top of the air inlet main pipe are fixedly connected to the air inlet branch pipe, the air inlet branch pipe and the air inlet main pipe are designed to communicate with each other, and the air outlet of the fan is fixedly installed
[0007] Preferably, the two inner filter elements in the air inlet main duct are a fiber filter and an activated carbon filter respectively.
[0008] Preferably, the two inner filter elements of the main air outlet pipe are a HEPA filter and a negative ion purification network respectively.
[0009] Preferably, side panels are detachably mounted on both side outer walls of the outer shell via fixing bolts, and air inlets are provided on both side panels, and the air inlets are interconnected with the air inlet branch pipes.
[0010] Preferably, a connecting pipe is fixedly installed on the top of the main air outlet pipe by bolts.
[0011] Preferably, an air outlet is provided on the front outer wall of the outer shell, and the air outlet is interconnected with the connecting pipe.
[0012] Preferably, a plurality of physical buttons are fixedly installed above the air outlet and outside the outer shell, and a display screen is fixedly installed above the physical buttons.
[0013] Preferably, a handle is fixedly mounted at the middle position of the upper surface of the outer shell, and anti-slip pads are adhered to the four corners of the lower surface of the outer shell by glue.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] The utility model can perform multi-stage purification and filtration work on the air sucked in by the fan by setting several inner filter elements of different structures, thereby ensuring the home air fresh air purification effect of the utility model and ensuring normal air purification use. The filter element structure is connected by sliding insertion, so that the filter element structure can be quickly disassembled and installed by installing fixed screws. It has the characteristics of quick installation and disassembly of the filter mesh, effectively improving the convenience of filter element replacement and maintenance. It has the technical characteristics of quick disassembly and installation, which makes maintenance and installation faster and the structure easy to use. It has the effect of double-sided air intake, and the overall structure is small and simple, can be placed on the ground or on a desktop for use, has good ease of use, is convenient to carry, has high practicality as a whole, and is suitable for promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the internal structure of the purifier according to an embodiment of the utility model;
[0017] Figure 2 This is a schematic structural diagram of a fan assembly according to an embodiment of the present utility model;
[0018] Figure 3 For the embodiment of the utility model Figure 2 Schematic diagram of the enlarged structure of area A;
[0019] Figure 4 This is a schematic diagram of the filter frame structure assembly according to an embodiment of the present utility model;
[0020] Figure 5 This is a schematic diagram of the overall external structure of the purifier according to an embodiment of the utility model;
[0021] Figure 6 This is a schematic diagram of the bottom structure of the purifier according to an embodiment of the present invention when viewed from above.
[0022] In the figure: 1. Outer shell; 2. Fan base; 3. Fan; 4. Air inlet main pipe; 5. Air inlet branch pipe; 6. Air outlet main pipe; 7. Connecting pipe; 8. Filter slot; 9. Inner slide plate; 10. Outer filter frame; 11. Inner filter element; 12. Connecting plate; 13. Fixing hole; 14. Side panel; 15. Air inlet; 16. Air outlet; 17. Physical button; 18. Display screen; 19. Handle; 20. Anti-slip bottom pad. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0026] See also Figure 1-6The utility model provides an embodiment: a double-inlet household fresh air purifier, including an outer shell 1, a fan base 2 is fixedly installed inside the outer shell 1, a fan 3 is fixedly installed on the fan base 2 by bolts, an air inlet 15 of the fan 3 is fixedly connected to an air inlet main pipe 4, both sides of the top of the air inlet main pipe 4 are fixedly connected to air inlet branch pipes 5, the air inlet branch pipes 5 and the air inlet main pipe 4 are designed to communicate with each other, and the double-directional air inlet branch pipes 5 can provide the necessary pipeline conditions for double-sided air inlet of the utility model;
[0027] The air outlet 16 of the fan is fixedly installed with the air outlet main pipe 6. Two groups of filter slots 8 are opened on the side walls of the air inlet main pipe 4 and the air outlet main pipe 6. An inner slide 9 is fixedly installed on the inner wall of the upper and lower ends of each group of filter slots 8. An outer filter frame 10 is slidably connected to the filter slot 8 through the inner slide 9. An inner filter element 11 is fixedly installed on each outer filter frame 10. A connecting plate 12 is fixedly installed on the outer wall of one end of the outer filter frame 10. Fixing holes 13 are opened on both sides of the connecting plate 12 and the filter slot 8. The fixing holes 13 are threaded holes.
[0028] In actual use, the connecting plate 12 is fixedly connected to the pipe through the fixing holes 13 and screws, so that the inner filter element 11 can be installed inside the pipe;
[0029] This structural design ensures normal purification of indoor air through the provision of each inner filter element 11. When the inner filter element 11 needs to be maintained or replaced, the bolts installed in the fixing holes 13 on the connecting plate 12 can be removed. After the bolts are removed, the entire outer filter frame 10 and the inner filter element 11 can be pulled out through the connecting plate 12, thereby facilitating maintenance and repair of the inner filter element 11 or replacement of the entire filter element assembly.
[0030] When installing a new filter element structure, the outer filter frame 10 is movably inserted between the inner slides 9 of the corresponding filter slots 8. After the outer filter frame 10 is completely inserted into the inner slides 9, the fixing holes 13 on the connecting plate 12 are aligned with the fixing holes 13 on the pipe. At this time, screws for fixing the connection can be installed in the two holes, so that the filter element structure can be installed inside the pipe to ensure normal air filtration.
[0031] Among them, the two inner filter elements 11 in the air inlet main pipe 4 are respectively a fiber filter and an activated carbon filter;
[0032] The fiber filter can be used to filter out hair, large particles, and dandruff in the indoor air, and has a good impurity filtering effect. At the same time, it can effectively prevent impurities from entering the fan 3, thereby increasing the service life of the fan 3;
[0033] The activated carbon filter can be used to absorb formaldehyde and other odorous chemicals, and has a good air adsorption and purification effect;
[0034] The two inner filter elements 11 of the air outlet main pipe 6 are respectively a HEPA filter and a negative ion purification network;
[0035] The HEPA filter is used to remove inhalable particulate matter, cigarette smoke, pollen, etc., while the negative ion purification network is used to decompose harmful organic matter in the air;
[0036] By using the above four filter element structures in combination, the indoor air can be effectively purified and filtered at multiple levels, thereby forming purified fresh air for discharge, which has a better home fresh air purification effect.
[0037] In this embodiment, in order to facilitate the sealing and opening of the side of the outer shell 1, side panels 14 are detachably mounted on both sides of the outer wall of the outer shell 1 by fixing bolts;
[0038] In order to ensure the double-sided air intake processing of the present invention, air inlets 15 are provided on both side panels 14, and the air inlets 15 on both sides are interconnected with the two air inlet branch pipes 5;
[0039] In this way, the double-sided air inlet 15 and the air inlet branch pipe 5 are set to ensure that the utility model has the use characteristics of double-sided air inlet. Compared with the existing single-sided air inlet, the double-sided air inlet of the utility model has a uniform air inlet effect on both sides, which can make the air enter the air duct more uniformly and effectively reduce the limitations of use.
[0040] In this embodiment, in order to perform air outlet work, a connecting pipe 7 is fixedly installed on the top of the air outlet main pipe 6 by bolts;
[0041] An air outlet 16 is provided on the front outer wall of the outer shell 1, and the air outlet 16 is interconnected with the connecting pipe 7;
[0042] Therefore, the air outlet 16 provided can ensure the normal outlet of the purified air and ensure normal use.
[0043] In this embodiment, in order to set or operate the functions of the household fresh air purifier of the present invention, a number of physical buttons 17 are fixedly installed above the air outlet 16 and outside the outer shell 1, and a display screen 18 is fixedly installed above the physical buttons 17.
[0044] In this embodiment, a handle 19 is fixedly installed in the middle position of the upper surface of the outer shell 1. The handle 19 can be used to conveniently lift the purifier manually, which has a good portable use effect and can be easily lifted and carried;
[0045] Anti-skid pads 20 are adhered to the four corners of the lower surface of the outer shell 1 by glue. The anti-skid pads 20 can improve the anti-skid performance when in contact with the ground or table, and have a good anti-skid contact effect.
[0046] Working principle: When the utility model is in use, it can be placed in an indoor space and powered on. After power is turned on, the fan 3 can be put into operation. The air intake main pipe 4 of the fan 3 processes the indoor air intake through the air intake branch pipe 5. The double-directional air intake branch pipe 5 can provide the necessary pipeline conditions for the double-sided air intake of the utility model. In this way, the double-sided air inlet 15 and the air intake branch pipe 5 can ensure that the utility model has the use characteristics of double-sided air intake. Compared with the existing single-sided air intake, the double-sided air intake of the utility model has a uniform air intake effect on both sides, which can make the air enter the air duct more uniformly, effectively reducing the limitations of use;
[0047] The air after the intake enters the interior of the air inlet main pipe 4. The two inner filter elements 11 in the air inlet main pipe 4 are respectively a fiber filter and an activated carbon filter. The fiber filter can be used to filter out hair, large particles and dandruff in the indoor air, and has a good impurity filtering effect. At the same time, it can effectively prevent impurities from entering the fan 3, thereby increasing the service life of the fan 3. The activated carbon filter can be used to adsorb chemical substances with odors such as formaldehyde, and has a good air adsorption and purification effect.
[0048] The purified air enters the main air outlet pipe 6, and the two inner filter elements 11 of the main air outlet pipe 6 are respectively a HEPA filter and a negative ion purification network;
[0049] The HEPA filter is used to remove inhalable particulate matter, cigarette smoke, pollen, etc., while the negative ion purification network is used to decompose harmful organic matter in the air;
[0050] By using the above four filter element structures in combination, the indoor air can be effectively purified and filtered at multiple stages, thereby forming purified fresh air to be discharged from the air outlet 16, thereby having a better home fresh air purification effect and ensuring the fresh air purification use of the household purifier of the utility model.
[0051] The utility model can ensure the normal purification of indoor air by providing each inner filter element 11. When the inner filter element 11 needs to be maintained or replaced, the bolts installed in the fixing holes 13 on the connecting plate 12 can be removed. After the bolts are removed, the entire outer filter frame 10 and the inner filter element 11 can be pulled out through the connecting plate 12, so that the inner filter element 11 can be easily maintained and repaired or the entire filter element assembly can be replaced.
[0052] When installing a new filter element structure, the outer filter frame 10 is movably inserted between the inner slides 9 of the corresponding filter slots 8. After the outer filter frame 10 is completely inserted into the inner slides 9, the fixing holes 13 on the connecting plate 12 are aligned with the fixing holes 13 on the pipe. At this time, screws for fixing the connection can be installed in the two holes, so that the filter element structure can be installed inside the pipe to ensure normal air filtration.
[0053] To sum up, the utility model can perform multi-stage purification and filtration on the air inhaled by the fan 2 by setting several inner filter elements 11 with different structures, thereby ensuring the home air fresh air purification effect of the utility model and ensuring normal air purification use, and the filter element structure is connected by sliding insertion, so that the filter element structure can be quickly disassembled and installed by installing fixed screws. It has the characteristics of quick installation and disassembly of the filter net, effectively improving the convenience of filter element replacement and maintenance, and has the technical characteristics of quick disassembly and installation, which makes maintenance and installation faster and the structure easy to use. It also has the effect of double-sided air intake, and the overall structure is small and simple and can be placed on the ground or on a desktop for use. It has good ease of use and is convenient to carry. It has high practicality as a whole and is suitable for promotion and use.
[0054] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A double-inlet household fresh air purifier, comprising an outer shell (1), characterized in that: A fan base (2) is fixedly installed inside the outer shell (1), a fan (3) is fixedly installed on the fan base (2) by bolts, an air inlet (15) of the fan (3) is fixedly connected to an air inlet main pipe (4), both sides of the top of the air inlet main pipe (4) are fixedly connected to air inlet branch pipes (5), the air inlet branch pipes (5) and the air inlet main pipe (4) are designed to be interconnected, an air outlet main pipe (6) is fixedly installed at the air outlet (16) of the fan (3), and the side walls of the air inlet main pipe (4) and the air outlet main pipe (6) are connected. Two groups of filter screen slots (8) are provided on the upper and lower inner walls of each group of the filter screen slots (8), an inner slide plate (9) is fixedly installed, an outer filter frame (10) is slidably connected to the filter screen slots (8) through the inner slide plate (9), an inner filter element (11) is fixedly installed on each outer filter frame (10), a connecting plate (12) is fixedly installed on the outer wall of one end of the outer filter frame (10), and fixing holes (13) are provided on both sides of the connecting plate (12) and the filter screen slots (8), and the fixing holes (13) are threaded holes.
2. A double-inlet household fresh air purifier according to claim 1, characterized in that: The two inner filter elements (11) in the air inlet main pipe (4) are respectively a fiber filter and an activated carbon filter.
3. The double-inlet household fresh air purifier according to claim 1, characterized in that: The two inner filter elements (11) of the main air outlet pipe (6) are a HEPA filter and a negative ion purification network respectively.
4. The double-inlet household fresh air purifier according to claim 1, characterized in that: Side panels (14) are detachably mounted on both side outer walls of the outer shell (1) via fixing bolts. Air inlets (15) are provided on both side panels (14), and the air inlets (15) are interconnected with the air inlet branch pipe (5).
5. The double-inlet household fresh air purifier according to claim 1, characterized in that: A connecting pipe (7) is fixedly mounted on the top end of the main air outlet pipe (6) via bolts.
6. The double-inlet household fresh air purifier according to claim 1, characterized in that: An air outlet (16) is provided on the front outer wall of the outer shell (1), and the air outlet (16) is interconnected with the connecting pipe (7).
7. The double-inlet household fresh air purifier according to claim 6, characterized in that: A plurality of physical buttons (17) are fixedly installed above the air outlet (16) and outside the outer shell (1), and a display screen (18) is fixedly installed above the physical buttons (17).
8. The double-inlet household fresh air purifier according to claim 1, characterized in that: A handle (19) is fixedly mounted at the middle position of the upper surface of the outer shell (1), and anti-slip bottom pads (20) are adhered to the four corners of the lower surface of the outer shell (1) by glue.