Portable air purifier

Abstract

The utility model relates to a portable air purifier, it includes: casing, filter core, wind wheel and protective cover, the side surface of casing has opened the air inlet, and the top has opened the air outlet. The filter core is located in the accommodating cavity, and with air inlet horizontal opposite setting, is equipped with the filter cavity in the filter core. The wind wheel is located in the accommodating cavity, and is located in the upper of filter core, and the wind wheel is configured as can drive external air to enter the filter cavity in proper order through air inlet and filter core, and drives the air in filter cavity to blow out from the air outlet. The protective cover has opened the air inlet and the air outlet, and the protective cover covers in the casing outside, and the air inlet respectively with air inlet and outside forms the intercommunication, and the air outlet respectively with air outlet and outside forms the intercommunication.

Description

Technical Field

[0001] This utility model relates to the field of air purification technology, and more specifically, to a portable air purifier. Background Technology

[0002] An air purifier is a product that can adsorb, decompose, or transform various air pollutants to effectively improve air cleanliness. Besides being used in fixed locations such as homes, offices, and commercial centers, air purifiers can also be taken outdoors to improve air quality and enhance human comfort. However, carrying an air purifier or using it in harsh outdoor environments can expose it to external vibrations or even collisions with objects. The impact of these vibrations and collisions can cause components to loosen or the structure to be damaged, thus affecting the air purifier's ability to function properly. Utility Model Content

[0003] The purpose of this invention is to provide a portable air purifier, which solves the technical problem of how to reduce the impact of vibration and collision.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution.

[0005] This utility model provides a portable air purifier, comprising: a housing with an air inlet on its side and an air outlet on its top; a filter element located inside the housing and horizontally opposite to the air inlet, the filter element having a filtration chamber; a fan wheel located inside the housing and above the filter element, the fan wheel being configured to drive external air through the air inlet and the filter element sequentially into the filtration chamber, and drive the air in the filtration chamber to be blown out from the air outlet; and a protective cover having an air inlet and an air outlet, the protective cover covering the outside of the housing, the air inlet communicating with both the air inlet and the outside, and the air outlet communicating with both the air outlet and the outside.

[0006] In some embodiments of this application, the outer wall of the housing is provided with a crisscrossing rib structure, and the inner wall of the protective cover is provided with a groove structure that matches the rib structure, and the rib structure is embedded in the groove structure.

[0007] In some embodiments of this application, the portable air purifier further includes an air guide structure, which is installed inside the housing and located above the impeller. The air guide structure has an air duct inside, with an inlet and an outlet at both ends. The inlet is connected to the filter chamber through the impeller, and the outlet is connected to the air outlet.

[0008] In some embodiments of this application, the inner wall of the housing is provided with two first cards, which are spaced apart in the left-right direction. There is a gap between the first cards and the rear wall of the housing to form a slot with a clearance opening. The clearance openings of the two slots formed between the two first cards and the rear wall of the housing are respectively arranged facing each other. The air guiding structure includes a body and two second cards provided on the body. The air duct is provided in the body. The two second cards are spaced apart in the left-right direction and extend into the two slots through the clearance openings of the two slots respectively, so as to install the air guiding structure in the housing.

[0009] In some embodiments of this application, there are two impellers arranged sequentially in the left-right direction; the air guide structure has two air ducts arranged sequentially in the left-right direction, and the inlets of the two air ducts are respectively connected to the filter chamber through the two impellers, and the outlets of the two air ducts are connected to the air outlet.

[0010] In some embodiments of this application, the air inlets are provided on both the front and rear sides of the housing.

[0011] In some embodiments of this application, the housing includes a rear shell, an upper cover, and a lower cover. A partition is provided inside the rear shell to divide the interior of the rear shell into an upper chamber and a lower chamber. Both the upper chamber and the lower chamber have openings on their front sides. The upper cover is used to close or open the opening of the upper chamber, and the lower cover is used to close or open the opening of the lower chamber. The impeller is installed in the upper chamber and fixed on the partition. The filter element is located in the lower chamber. An air passage is provided on the partition to connect the upper chamber and the lower chamber, and the impeller communicates with the filter chamber through the air passage.

[0012] In some embodiments of this application, the portable air purifier further includes a support member disposed in the lower chamber. The support member extends vertically and is supported below the partition. The support member has a front support portion and a rear support portion. The front support portion extends forward and abuts against the lower cover portion, and the rear support portion extends rearward and abuts against the outer wall of the filter element.

[0013] In some embodiments of this application, the protective cover includes a rear cover body and a front cover plate. The rear cover body covers the outside of the housing and has the air inlet and air outlet openings thereon. The front cover plate is detachably connected to the rear cover body so that the protective cover covers the outside of the housing.

[0014] As can be seen from the above technical solution, the embodiments of this utility model have at least the following advantages and positive effects: In the portable air purifier of this utility model embodiment, when the impeller starts to run, it can generate negative pressure inside the shell. Under the action of negative pressure, the outside air passes through the air inlet on the protective cover and the air inlet on the shell in sequence, and passes through the filter element arranged horizontally opposite to the air inlet for filtration. The filtered air enters the filter chamber and, driven by the impeller, passes through the air outlet on the shell and the air outlet on the protective cover in sequence to be released into the external environment, thereby completing the purification of the air.

[0015] Specifically, the protective cover covers the outside of the housing. When the air purifier is subjected to vibration or impact during transport or outdoor use, the protective cover can disperse and absorb the impact force caused by the vibration and impact, so as to reduce the impact force on the housing and the various components inside the housing, thereby improving the stability and reliability of the overall structure of the portable air purifier and ensuring that it can perform its purification function normally.

[0016] On the other hand, since the filter and air inlet are set horizontally opposite each other, the impeller is located above the filter and the air outlet is located at the top of the housing, this layout makes the air flow path reasonable, which is conducive to improving the efficiency of air purification. On the other hand, when subjected to external vibration or collision, this relatively stable air flow path is not easily disrupted, which can further ensure that the portable air purifier can work continuously and effectively. Attached Figure Description

[0017] The various objectives, features, and advantages of this invention will become more apparent from the following detailed description of preferred embodiments in conjunction with the accompanying drawings. The drawings are merely illustrative illustrations of the invention and are not necessarily drawn to scale. In the drawings, the same reference numerals always denote the same or similar parts. Wherein: Figure 1 This is a schematic diagram of a portable air purifier according to an exemplary embodiment.

[0018] Figure 2 yes Figure 1 A structural diagram from another perspective.

[0019] Figure 3 yes Figure 1 A schematic diagram of its decomposed structure.

[0020] Figure 4 yes Figure 1 A sectional view.

[0021] Figure 5 yes Figure 3 Enlarged schematic diagram of the central air guide structure.

[0022] The annotations in the attached figures are explained as follows: 1. Housing; 11. Rear housing; 111. Upper chamber; 112. Lower chamber; 12. Upper cover; 13. Lower cover; 14. Partition; 15. Air inlet; 16. Air outlet; 17. Rib structure; 18. First card; 181. Clearance opening; 19. Slot; 2. Filter element; 21. Filter chamber; 3. Wind turbine; 4. Protective cover; 41. Rear cover; 411. Air inlet; 412. Air outlet; 42. Front cover; 43. Groove structure; 5. Air guiding structure; 51. Body; 511. Air duct; 5111. Inlet; 5112. Outlet; 52. Second card; 6. Support component; 61. Front support part; 62. Rear support part; 63. Insert block; 7. Positioning ring. Detailed Implementation

[0023] Although the present invention can be readily embodied in various forms, only some specific embodiments are shown in the accompanying drawings and will be described in detail in this specification. It is understood that this specification should be regarded as an exemplary illustration of the principles of the present invention and is not intended to limit the present invention to what is described herein.

[0024] Therefore, a feature pointed out in this specification is used to describe one feature of one embodiment of the present invention, and does not imply that every embodiment of the present invention must have the described feature. Furthermore, it should be noted that this specification describes many features. Although certain features may be combined to illustrate possible system designs, these features may also be used in other combinations not explicitly stated. Therefore, unless otherwise stated, the described combinations are not intended to be limiting.

[0025] In the embodiments shown in the accompanying drawings, the directional indications (such as up, down, left, right, front, and back) used to explain the structure and movement of the various elements of this invention are relative rather than absolute. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the descriptions of the positions of these elements change, these directional indications also change accordingly.

[0026] Please see Figures 1 to 3The portable air purifier provided in one embodiment of this utility model mainly includes a housing 1, a filter element 2, a fan 3, and a protective cover 4. An air inlet 15 is provided on the side of the housing 1, and an air outlet 16 is provided on its top. The filter element 2 is located within a receiving cavity and is horizontally opposite to the air inlet 15. A filter chamber 21 is provided inside the filter element 2. The fan 3 is located within the receiving cavity and is positioned above the filter element 2. The fan 3 is configured to drive external air through the air inlet 15 and the filter element 2 sequentially into the filter chamber 21, and drive the air inside the filter chamber 21 to be blown out from the air outlet 16. The protective cover 4 has an air inlet 411 and an air outlet 412. The protective cover 4 covers the outside of the housing 1, and the air inlet 411 communicates with both the air inlet 15 and the outside, while the air outlet 412 communicates with both the air outlet 16 and the outside.

[0027] In the portable air purifier of this utility model embodiment, when the impeller 3 starts to operate, it can generate negative pressure inside the housing 1. Under the action of negative pressure, the outside air passes through the air inlet 411 on the protective cover 4 and the air inlet 15 on the housing 1 in sequence, and passes through the filter element 2 which is horizontally opposite to the air inlet 15 for filtration. The filtered air enters the filter chamber 21, and under the drive of the impeller 3, passes through the air outlet 16 on the housing 1 and the air outlet 412 on the protective cover 4 in sequence to be released into the external environment, thereby completing the purification of the air.

[0028] Specifically, the protective cover 4 covers the outside of the housing 1. When the air purifier is subjected to vibration or collision during transport or outdoor use, the protective cover 4 can disperse and absorb the impact force caused by the vibration and collision, so as to reduce the impact force on the housing 1 and the various components inside the housing 1, thereby improving the stability and reliability of the overall structure of the portable air purifier and ensuring that it can perform its purification function normally.

[0029] On the other hand, since the filter element 2 and the air inlet 15 are set horizontally opposite each other, the impeller 3 is located above the filter element 2, and the air outlet 16 is opened on the top of the housing 1, this layout makes the air flow path reasonable, which is conducive to improving the efficiency of air purification. On the other hand, when subjected to external vibration or collision, this relatively stable air flow path is not easily disrupted, which can further ensure that the portable air purifier can work continuously and effectively.

[0030] In this embodiment, the portable air purifier can be loaded into a suitcase during carrying and movement.

[0031] Please see Figure 3 In a specific embodiment, the outer wall of the housing 1 is provided with a crisscrossing rib structure 17, and the inner wall of the protective cover 4 is provided with a groove structure 43 that matches the rib structure 17, and the rib structure 17 is embedded in the groove structure 43.

[0032] On the one hand, the matching design of the rib structure 17 and the groove structure 43 provides clear guidance for the assembly between the protective cover 4 and the shell 1, thereby improving installation efficiency and reducing installation difficulty. On the other hand, the tight fit between the rib structure 17 and the groove structure 43 can reduce the loosening or displacement of the protective cover 4 relative to the shell 1, and can increase the contact area between the inner wall of the protective cover 4 and the outer wall of the shell 1, so as to significantly enhance the connection strength between the two, and make the solid connection formed between the protective cover 4 and the shell 1 effectively resist the impact of external vibration and collision.

[0033] Please see Figure 3 and Figure 4 In a specific embodiment, the portable air purifier also includes an air guide structure 5, which is installed inside the housing 1 and located above the impeller 3. An air duct 511 is provided inside the air duct 511, with an inlet 5111 and an outlet 5112 at the two ends. The inlet 5111 is connected to the filter chamber 21 through the impeller 3, and the outlet 5112 is connected to the air outlet 16.

[0034] The air guide structure 5 and its internal air duct 511 can guide and regulate the air flow. The air guide structure 5 can guide the air from the impeller 3 to the air outlet 16, making the air outlet more concentrated and smooth, and allowing the purified air to diffuse into the surrounding environment more quickly, thereby improving the air purification efficiency.

[0035] In this embodiment, the cross-section of the air duct 511 has an arc-shaped transition structure that is narrower at the top and wider at the bottom. When the purified air enters the air duct 511 from the bottom, the air velocity gradually increases as the cross-section of the air duct 511 gradually narrows, thereby improving the air outlet efficiency.

[0036] Please see Figure 5 In a specific embodiment, two first cards 18 are provided on the inner wall of the housing 1. The two first cards 18 are spaced apart in the left-right direction, and there is a gap between the first cards 18 and the rear wall of the housing 1 to form a slot with a clearance opening 181. The two first cards 18 are respectively arranged facing the clearance openings 181 of the two slots formed between the rear wall of the housing 1. The air guiding structure 5 includes a body 51 and two second cards 52 provided on the body 51. An air duct 511 is provided inside the body 51. The two second cards 52 are spaced apart in the left-right direction and extend into the two slots through the clearance openings 181 of the two slots to install the air guiding structure 5 inside the housing 1.

[0037] The combination of two slots and two second cards 52 effectively restricts the movement of the air guiding structure 5 in the four directions of front, back, left, and right, thereby improving the stability and reliability of the overall structure of the portable air purifier, and the combination structure is relatively simple and compact.

[0038] Please see Figure 3 and Figure 4 In a specific embodiment, there are two impellers 3, which are arranged sequentially in the left-right direction. The air guide structure 5 is provided with two air ducts 511, which are arranged sequentially in the left-right direction. The inlets 5111 of the two air ducts 511 are respectively connected to the filter chamber 21 through the two impellers 3, and the outlets 5112 of the two air ducts 511 are both connected to the air outlet 16.

[0039] After being purified by filter element 2, outside air enters the filter chamber 21. It can pass through one of the impellers 3 and its corresponding air duct 511 before being blown out of the air outlet 16, or it can pass through the other impeller 3 and its corresponding air duct 511 before being blown out of the air outlet 16. The two processes do not interfere with each other. This redundant design allows the other impeller to continue operating normally when one is blocked, thus improving the durability of the portable air purifier. On the other hand, when both impellers 3 are operating normally at the same time, they can generate greater suction and air volume, accelerating the air purification speed and thus improving the air purification efficiency.

[0040] Please see Figures 1 to 3 In a specific embodiment, air inlets 15 are provided on both the front and rear sides of the housing 1. External air can enter the housing 1 from different directions, thereby enabling more uniform and comprehensive air purification, increasing the air intake area, reducing air intake resistance, and further improving air purification efficiency. On the other hand, the air inlets are located in the front-rear direction of the housing 1, while the two impellers 3 and two air ducts 511 inside the housing 1 are arranged sequentially in the left-right direction. This design forms a more three-dimensional air circulation path, which can promote more rapid and comprehensive airflow in the space.

[0041] In other embodiments, the air inlet, impeller 3, and air duct 511 are all arranged in the left-right direction, or in the front-back direction.

[0042] Please see Figure 3 and Figure 4 In a specific embodiment, the impeller 3 is installed in the upper chamber 111 and fixed on the partition 14, while the filter element 2 is located in the lower chamber 112. The partition 14 has an air vent that connects the upper chamber 111 and the lower chamber 112, and the impeller 3 is connected to the filter chamber 21 through the air vent. This partition design makes the internal structure of the portable air purifier more compact and reasonable, and the overall structure more stable and reliable. Since the upper cover 12 is used to close or open the opening of the upper chamber 111, and the lower cover 13 is used to close or open the opening of the lower chamber 112, when users need to maintain or replace components such as the filter element 2 and the impeller 3, they only need to open the corresponding cover, which is simple and convenient to operate and more targeted.

[0043] Please see Figure 4 In this embodiment, two annular positioning rings 7 are respectively located at the bottom of the bottom shell and the bottom of the partition plate 14. The positioning rings 7 have annular grooves. The filter element 2 has a columnar structure, and its top and bottom ends are respectively embedded in the annular grooves of the two positioning rings 7 to fix it in the lower chamber 112.

[0044] In this embodiment, the air guide structure 5, the impeller 3, and the partition 14 are connected sequentially from top to bottom.

[0045] In this embodiment, the upper cover 12 and the rear shell 11, as well as the lower cover 13 and the rear shell 11, can be detachably connected by means of pins, threads, elastic buckles, etc.

[0046] It should be noted that in this embodiment, the air outlet 16 is located on the top of the bottom shell, and air inlets 15 are provided on both the front and rear sides of the shell 1 in the above embodiment. In this embodiment, the air inlets 15 are located on the rear side wall of the bottom shell and the lower cover 13.

[0047] Please see Figure 3 In a specific embodiment, the portable air purifier also includes a support member 6, which is disposed in the lower chamber 112. The support member 6 extends vertically and is supported below the partition 14. The support member 6 is provided with a front support portion 61 and a rear support portion 62. The front support portion 61 extends forward and abuts against the lower cover portion 13, while the rear support portion 62 extends backward and abuts against the outer wall of the filter element 2.

[0048] By supporting and positioning the partition 14, the lower cover 13, and the filter element 2 through the support member 6, the various components can maintain a relatively stable positional relationship, reducing the possibility of component shaking or displacement, thereby further improving the reliability and stability of the portable air purifier.

[0049] In this embodiment, the bottom wall of the rear shell 11 and the bottom of the partition 14 are respectively provided with slots 19, and the top and bottom of the support member 6 are respectively provided with plugs 63 for engaging with the slots 19.

[0050] In this embodiment, the support member 6 is provided with a direct blowing hole that is horizontally opposite to the air inlet 15.

[0051] In a specific embodiment, the protective cover 4 includes a rear cover body 41 and a front cover plate 42. The rear cover body 41 covers the outside of the housing 1 and has air inlet and air outlet openings. The front cover plate 42 is detachably connected to the rear cover body 41 so that the protective cover 4 covers the outside of the housing 1. The separate design of the rear cover body 41 and the front cover plate 42 allows the protective cover 4 to be detachably mounted outside the housing 1, enabling maintenance or replacement of the protective cover 4 according to actual use, thereby improving the overall structural stability and reliability of the portable air purifier.

[0052] In this embodiment, both the rear cover 41 and the front cover 42 are provided with groove structures 43.

[0053] In the above embodiments, the protective cover 4 is made of EPP foam layer.

[0054] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terminology used is descriptive and exemplary, and not restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A portable air purifier, characterized in that, include: The housing has an air inlet on its side and an air outlet on its top. The filter element is located inside the housing and is horizontally opposite to the air inlet. The filter element has a filter chamber inside. A fan wheel, located inside the housing and above the filter element, is configured to drive external air into the filter chamber through the air inlet and the filter element in sequence, and drive the air in the filter chamber to be blown out from the air outlet. The protective cover has an air inlet and an air outlet. The protective cover covers the outside of the housing, and the air inlet is connected to the air inlet and the outside, and the air outlet is connected to the air outlet and the outside.

2. The portable air cleaner of claim 1, wherein, The outer wall of the shell is provided with a crisscrossing rib structure, and the inner wall of the protective cover is provided with a groove structure that matches the rib structure, and the rib structure is embedded in the groove structure.

3. The portable air cleaner of claim 1, wherein, It also includes an air guide structure, which is installed inside the housing and located above the impeller. The air guide structure has an air duct inside, with an inlet and an outlet at both ends. The inlet is connected to the filter chamber through the impeller, and the outlet is connected to the air outlet.

4. The portable air cleaner of claim 3, wherein, The inner wall of the housing is provided with two first cards, which are spaced apart in the left-right direction. There is a gap between the first cards and the rear wall of the housing to form a slot with a clearance opening. The clearance openings of the two slots formed between the two first cards and the rear wall of the housing are respectively arranged facing each other. The air guiding structure includes a main body and two second cards disposed on the main body. The main body is provided with the air duct. The two second cards are spaced apart in the left-right direction and extend into the two slots through the clearance openings of the two slots respectively, so as to install the air guiding structure in the housing.

5. The portable air cleaner of claim 3, wherein, The wind turbine is provided in two parts, and the two wind turbines are arranged sequentially in the left-right direction; The air guiding structure is provided with two air ducts, which are arranged sequentially in the left-right direction. The inlets of the two air ducts are respectively connected to the filter chamber through the two impellers, and the outlets of the two air ducts are connected to the air outlet.

6. The portable air cleaner of claim 5, wherein, The air inlets are provided on both the front and rear sides of the housing.

7. The portable air cleaner of claim 1, wherein, The housing includes a rear shell, an upper cover, and a lower cover. The rear shell is provided with a partition to divide the interior of the rear shell into an upper chamber and a lower chamber. Both the upper chamber and the lower chamber have openings on their front sides. The upper cover is used to close or open the opening of the upper chamber, and the lower cover is used to close or open the opening of the lower chamber. The impeller is installed in the upper chamber and fixed on the partition plate. The filter element is located in the lower chamber. The partition plate has an air passage that connects the upper chamber and the lower chamber, and the impeller is connected to the filter chamber through the air passage.

8. The portable air cleaner of claim 7, wherein, It also includes a support member disposed in the lower chamber. The support member extends vertically and is supported below the partition. The support member is provided with a front support portion and a rear support portion. The front support portion extends forward and abuts against the lower cover portion, and the rear support portion extends rearward and abuts against the outer wall of the filter element.

9. The portable air cleaner of claim 1, wherein, The protective cover includes a rear cover body and a front cover plate. The rear cover body covers the outside of the housing and has an air inlet and an air outlet. The front cover plate is detachably connected to the rear cover body so that the protective cover covers the outside of the housing.

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