CN209405900U - Filter net device and air purifier - Google Patents

Abstract

The utility model discloses a kind of filter net device and air purifier, wherein, the filter net device includes bracket, the branch is provided with fixed cavity and movable cavity, the cavity wall projection of movable cavity forms convex ribs and multiple bulge-structures, preposition net-filter assembly, preposition net-filter assembly includes being contained in fixed cavity, and the primary filter screen and HEPA strainer set gradually along the air inlet direction of air purifier, the HEPA strainer is resisted against convex ribs towards the side of fixed cavity, postposition strainer, the postposition strainer is located at the side that convex ribs deviate from fixed cavity, convex ribs are matched with multiple bulge-structures postposition strainer is immobilizated in movable cavity；Using the filter net device of the utility model, while largely ensure that the strainability of filter net device, can also personalized customization according to the needs of users, performance is stable and easy to use.

Description

Filter net device and air purifier

Technical field

The utility model relates to clarifier technical field, in particular to a kind of filter net device and air purifier.

Background technique

Air purifier in the market is typically equipped with multiple air purifying filter meshs that can be freely disassembled, and user can root According to needing for multiple strainers to be freely combined to achieve the purpose that purify the multiple harmful substances in air.

But carry out the particulate matter that harm to the human body in air is main and threat is maximum or inhalable recently, That is PM2.5 (fine particle), above particulate matter can be by them largely by primary filter screen and HEPA strainer or its combination Filter out, the strainer of air purifier currently on the market is excessive, and not only manufacturing cost increases, and user is using or clear It is easy to mistake the sequence of each strainer in clean process, to influence the effect of the purification of air purifier.

Utility model content

The main purpose of the utility model is to provide a kind of filter net device, it is intended to ensure to purify in air most important thin It, can also be personalized customized according to the needs of users while grain object.

To achieve the above object, the utility model proposes a kind of filter net devices, are applied to air purifier, the filter net device Include:

Bracket, the bracket include that the fixation cavity being sequentially communicated along the air inlet direction of the air purifier and activity are held The cavity wall projection of chamber, the activity cavity forms convex ribs and multiple bulge-structures, and the convex ribs are adjacent to the fixed cavity Side, multiple bulge-structures are located at side of the movable cavity far from the fixed cavity, and between the circumferential direction of the bracket Every arrangement；

Preposition net-filter assembly, the preposition net-filter assembly include the primary filter screen and HEPA for being contained in the fixed cavity Strainer, the primary filter screen and HEPA strainer are set gradually along the air inlet direction of the air purifier, and the HEPA is filtered Net is resisted against the convex ribs towards the side of the fixed cavity；And

Postposition strainer, the postposition strainer are located at the side that the convex ribs deviate from the fixed cavity, convex ribs and more A bulge-structure is matched so that the postposition strainer is immobilizated in the movable cavity.

Preferably, the bracket includes front cover and rear cover, and the front cover is removably covered on the rear cover, the just effect Strainer is fixed on the front cover, and the HEPA strainer is fixed on the rear cover.

Preferably, the front cover includes multiple buckles, multiple buckle being provided at circumferentially spaced along the front cover, described Rear cover includes multiple card slots relative to the buckle setting, and the front cover passes through the buckle and card slot matched with the rear cover It is connected with each other.

Preferably, the front cover further includes air grid structure, and it is remote that the air grid structure is located at the primary filter screen Side from the fixed cavity.

Preferably, the primary filter screen and the front cover, which are integrally formed, is arranged.

The utility model also proposes a kind of air purifier, and the air purifier includes fuselage and as described above Filter net device, the filter net device are installed on the fuselage.

Preferably, the air purifier further includes sealing ring, and the sealing ring is set to the filter net device and the machine Between body.

Preferably, the air purifier further includes the centrifugal fan for being installed on the fuselage interior, the centrifugal fan Positioned at the side of the movable cavity far from the fixed cavity, the centrifugal fan rotation is so that air flows through strainer by outside Device is simultaneously sent out by the spiral case of centrifugal fan outward.

Technical solutions of the utility model are held in a fixed cavity and by using by the setting of preposition net-filter assembly in activity The intracavitary mode for increasing postposition strainer can also be according to the need of user while ensuring filter net device basic filtering function The filter structure of other types is added in movable cavity, specifically, it includes along sky which, which includes the bracket bracket, Fixation cavity that the air inlet direction of gas purifier is set gradually and movable cavity, the cavity wall projection of the activity cavity formed convex ribs with Multiple bulge-structures, for convex ribs adjacent to the side of fixed cavity, multiple bulge-structures are located at movable cavity far from fixed cavity Side, and along the circumferentially-spaced arrangement of the bracket, it is fixedly installed preposition net-filter assembly in fixed cavity, the preposition strainer Component includes primary filter screen and HEPA strainer, and being combined by primary filter screen and HEPA strainer two can be largely right Air is purified, and since primary filter screen and HEPA strainer are fixedly disposed in a fixed cavity, is integral The structure of formula, therefore can mix up strainer sequence during using or replacing strainer to avoid user, moreover for just It is needed in the customization of user, postposition strainer can also be placed in movable cavity, which can according to the demand of user certainly It is combined by installation, and is matched and be immobilizated in movable cavity with multiple bulge-structures by convex ribs；Using the filter of the utility model Net device can also be personalized according to the needs of users while largely ensure that the strainability of filter net device Customization, performance are stable and easy to use.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is a kind of explosive view of one embodiment of filter net device of the utility model；

Fig. 2 is the explosive view at another visual angle of filter net device in Fig. 1；

Fig. 3 is the explosive view at the another visual angle of filter net device in Fig. 1；

Fig. 4 is the main view of filter net device in Fig. 1；

Fig. 5 be Fig. 4 in filter net device along A-A to cross-sectional view；

Fig. 6 is the cross-sectional view of the bracket of filter net device in Fig. 1；

Fig. 7 is the structural schematic diagram of the front cover of bracket in Fig. 6；

Fig. 8 is the structural schematic diagram of the rear cover of bracket in Fig. 6；

Fig. 9 is the explosive view of filter net device and front housing assembly in Fig. 1；

Figure 10 is that filter net device applies the partial structural diagram in air purifier in Fig. 1.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model Protection scope within.

Referring to Figure 1, Fig. 2 and Fig. 6, the utility model proposes a kind of filter net devices 100, are applied to air purifier (figure It is not shown), which includes:

Bracket 1, the bracket 1 include the fixation cavity 1a being sequentially communicated along the air inlet direction of the air purifier and work The cavity wall projection of visibly moved chamber 1b, the activity cavity 1b form convex ribs 122 and multiple bulge-structures 123, the convex ribs 122 are neighbouring In the side of the fixed cavity 1a, multiple bulge-structures 123 are located at activity cavity 1b far from the fixed cavity 1a's Side, and along the circumferentially-spaced arrangement of the bracket 1；

Preposition net-filter assembly 2, the preposition net-filter assembly 2 include be contained in the fixed cavity 1a primary filter screen and HEPA strainer 22, the primary filter screen and HEPA strainer 22 are set gradually along the air inlet direction of the air purifier, and institute It states HEPA strainer 22 and is resisted against the convex ribs 122 towards the side of the fixed cavity 1a；And

Postposition strainer 3, the postposition strainer 3 is located at the side that the convex ribs 122 deviate from the fixed cavity 1a, described convex Muscle 122 is matched with multiple bulge-structures 123 the postposition strainer 3 is immobilizated in the movable cavity 1b.

The mode that technical solutions of the utility model are combined by using fixed cavity 1a with activity cavity 1b, is ensuring to filter While the basic filtering function of net device 100, other types can also be added in movable cavity 1b according to the needs of users Filter structure, specifically, the filter net device 100 include bracket 1, the bracket 1 on the air inlet direction along air purifier according to It is secondary to form interconnected fixation cavity 1a and movable cavity 1b, it has been fixedly installed just along air inlet direction in fixed cavity 1a Strainer 21 and HEPA strainer 22 are imitated, the material of the primary filter screen 21 is non-woven fabrics, nylon wire, activated carbon filter material or metal hole pattern Deng primary filter screen 21 was mainly used for partial size >=5 μm dust particle in air filtering, HEPA (High Efficiency Particle Air Filter high efficiency particle air filter) use of strainer 22 PP (Polypropylene fiber polypropylene fibre) Fiber filter paper filters dust, and utilizes newest electret body technique, makes to have several kilovolts of electrostatic, up to a hundred layers of electrostatic fibre on fiber Intersecting is tieed up, fiber entanglement is fluffy, substantially reduces crushing, high antistatic property guarantees high efficiency, therefore HEPA strainer 22 can >=the dust particles of 0.001 μ m diameter are effectively removed in air, and right >=0.3 μm of dust particles removal efficiency reaches 99.97% or more, thus in actual utilization primary filter screen 21 combined with HEPA strainer 22 at least can guarantee strainer fill 100 dust particles for purging in air 99.97% or more, primary filter screen 21 and 22 integral installation of HEPA strainer is set to hold fixed It ensure that the most basic strainability of filter net device 100 in chamber 1a, avoid user that from sequentially disarraying in the process for cleaning or replacing, It influences to use；And the utility model is also provided with postposition strainer 3 in the needs activity cavity 1b in order to adapt to environment and user, It is further purified by preposition 2 filtered air of net-filter assembly using the filtering of postposition strainer 3, therefore the postposition Strainer 3 can be to be polluted for removing the common airs peculiar smell such as the formaldehyde of free state in air, stupid and ozone and harmful chemicals The activated charcoal strainer of object, or for filtering partial size less than 0.003 μm of bacterium, virus, the ultra high efficiency of fungal spore, pollen Glass strainer, or in order to make to have in air dulcet champignon filter screen, it is to be understood that postposition filter screen can be one The filter screen of a type is also possible to the various combination of a variety of filter screens, the type of this postposition strainer 3, form, quantity and Combination is not specifically limited.

Incorporated by reference to Fig. 4 and Fig. 8, in the application, separated in order to which cavity 1a and activity cavity 1b will be fixed, movable cavity 1b Cavity wall also projection be formed with four sections along the circumferentially-spaced arrangement of bracket 1 convex ribs 122 and in vertical direction be located at convex ribs 122 Between four bulge-structures 123, bulge-structure 123 is located at side of the convex ribs 122 far from fixed cavity 1a, bulge-structure 123 It is matched with convex ribs 122 and postposition strainer 3 is clamped in movable cavity 1b, and 11 phase of front cover of convex ribs 122 and bracket 1 HEPA strainer 22 is clamped in fixed cavity 1a by cooperation, such filter net device 100 it is simple for structure, and bracket 1 can With one-pass molding manufacture easy to produce.

It is understood that freely adding and combining tool in movable cavity 1b in order to which the user that is more convenient for can according to need There is the strainer of various functions, bulge-structure 123 can also be canceled, specifically, setting is multiple at the surface interval of convex ribs 122 Magnetic part (not shown go out), multiple magnetic parts are arranged accordingly or postposition strainer 3 is set as permeability magnetic material for postposition strainer 3, lead to Postposition strainer 3 is adsorbed and is fixed in movable cavity 1b by the suction for crossing magnetic part, and it is not of the same race so to can be convenient user's replacement The postposition strainer 3 of class, or multiple postposition strainers 3 are combined, it is very convenient.

Further, the bracket 1 includes front cover 11 and rear cover 12, and the front cover 11 is removably covered on the rear cover 12, the primary filter screen 21 is fixed on the front cover 11, and the HEPA strainer 22 is fixed on the rear cover 12.

The primary filter screen 21 is integrally formed with the front cover 11 to be arranged.

The front cover 11 further includes air grid structure 124, and the air grid structure 124 is located at the primary filter screen 21 Side far from the fixed cavity 1a.

The front cover 11 include it is multiple buckle 111,111 being provided at circumferentially spaced along the front cover 11 of multiple buckles, The rear cover 12 includes multiple card slots 151 relative to 111 setting of buckle, and the front cover 11 passes through phase with the rear cover 12 The buckle 111 and card slot 151 of cooperation are connected with each other.

Incorporated by reference to Fig. 7 and Fig. 8, the front cover 11 and rear cover 12 that bracket 1 divides to be detachably connected, primary filter screen 21 pass through one Molding mode is fixed on front cover 11, and specifically, front cover 11 is provided with air grid structure far from the side of fixed cavity 1a 124, which is used to play support and protection to primary filter screen 21, by primary filter screen in actual production 21 are put into togerther in mold with front cover 11 and are shaped to an entirety via injection molding machine, are so not only conducive to large batch of production system Make, and can to avoid maintenance during user HEPA strainer 22 and the assembling sequence of primary filter screen 21 are mistaken, when Right primary filter screen 21 can also be fixed on otherwise on front cover 11, such as: screw connection, glue are pasted or hot melt Mode will not repeat them here.

In the present embodiment, the connection type of front cover 11 and rear cover 12 is buckle 111 and the mutually matched shape of card slot 151 Formula, the multiple buckles 111 of the circumferentially spaced setting of the front cover 11 of bracket 1, the circumferentially corresponding multiple card slots of setting of rear cover 12 151, only front cover 11 and rear cover 12 need to mutually be fastened during installation, due to using the connection of buckle 111, filter net device 100 overall structure is more succinct, beautiful, and certain front cover 11 can also be connect with screw with rear cover 12 or be bonded in one by glue It rises.

Fig. 9 and Figure 10 are referred to, the utility model also proposes a kind of air purifier, which includes fuselage (not shown go out) and the filter net device 100 for being installed on fuselage, the filter net device 100 is referring to above-described embodiment, due to air Clarifier uses whole technical solutions of above-mentioned all embodiments, therefore at least with the technical solution institute band of above-described embodiment All beneficial effects come, this is no longer going to repeat them.Specifically, which mainly includes fuselage, before fuselage includes Shell 400 and rear shell (not shown go out), front housing 400 and rear shell are linked together by way of screw or clamping, and form appearance Receive chamber, the side of 100 bracket 1 of filter net device is provided with elastic buckles 112, and opposite side is provided with tongue 113, right on front housing 400 That answers is provided with the clamping groove matched with elastic buckles 112, and the groove (not shown) matched with tongue 113, so not only Filter net device 100 can be allow to be embedded on front housing 400, and the side due to matching using tongue 113 with elastic buckles 112 Formula can play the role of fool proof during the installation process；Centrifugal blower 300 is mounted on the side of filter net device 100, specifically, should Centrifugal blower 300 is fixed in the accommodating chamber of fuselage by the screw hole on spiral case (not shown), when external power supply accesses air When clarifier, the motor (not shown) inside centrifugal blower 300 is rotated, and drives the impeller (not shown) for being located at motor output end Rotation, external air form the air stream moved to 300 side of centrifugal blower, and air stream filters simultaneously via filter net device 100 Into spiral case, under the action of spiral case, is outwardly sent out, so completed to the net of air again by spiral case by filtered air Change effect.

It is understood that in order to avoid centrifugal blower 300 sucks outside and not through filter screen in the process of work The air of device 100 reduces the clean-up effect of air purifier, therefore is additionally provided between filter net device 100 and fuselage close Seal 200, specifically, the lateral surface of bracket 1 have a circumferentially arranged flange (not shown), sealing ring 200 by glue or That the mode of screw is fixed on the surface of flange, by filter net device 100 be embedded in front housing 400 after, 200 front housing 400 of sealing ring with support It is close together, realizes the sealing function in air inlet direction.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (8)

1. a kind of filter net device is applied to air purifier characterized by comprising

Bracket, the bracket include the fixation cavity and movable cavity being sequentially communicated along the air inlet direction of the air purifier, The cavity wall projection of the activity cavity forms convex ribs and multiple bulge-structures, the convex ribs adjacent to the fixed cavity one Side, multiple bulge-structures are located at side of the movable cavity far from the fixed cavity, and along the circumferentially-spaced of the bracket Arrangement；

Preposition net-filter assembly, the preposition net-filter assembly include the primary filter screen and HEPA filter for being contained in the fixed cavity Net, the primary filter screen and HEPA strainer are set gradually along the air inlet direction of the air purifier, and the HEPA strainer The convex ribs are resisted against towards the side of the fixed cavity；And

Postposition strainer, the postposition strainer are located at the side that the convex ribs deviate from the fixed cavity, the convex ribs and multiple institutes Bulge-structure is stated to match so that the postposition strainer is immobilizated in the movable cavity.

2. filter net device as described in claim 1, which is characterized in that the bracket includes front cover and rear cover, and the front cover can It is releasably covered on the rear cover, the primary filter screen is fixed on the front cover, and the HEPA strainer is fixed on the rear cover.

3. filter net device as claimed in claim 2, which is characterized in that the front cover includes multiple buckles, multiple buckles Along being provided at circumferentially spaced for the front cover, the rear cover include it is multiple relative to it is described buckle setting card slot, the front cover with The rear cover passes through the buckle matched and card slot is connected with each other.

4. filter net device as claimed in claim 2, which is characterized in that the front cover further includes air grid structure, described logical Air grid lattice structure is located at side of the primary filter screen far from the fixed cavity.

5. filter net device as claimed in claim 2, which is characterized in that the primary filter screen is set with front cover integrated molding It sets.

6. a kind of air purifier, which is characterized in that the air purifier includes that fuselage and such as claim 1 to 5 are any Filter net device described in, the filter net device are installed on the fuselage.

7. air purifier as claimed in claim 6, which is characterized in that the air purifier further includes sealing ring, described Sealing ring is set between the filter net device and the fuselage.

8. air purifier as claimed in claim 7, which is characterized in that the air purifier further includes being installed on the machine Centrifugal fan inside body, the centrifugal fan are located at the side of the movable cavity far from the fixed cavity, the centrifugation Fan rotates so that air is flowed through filter net device by outside and sent out outward by the spiral case of centrifugal fan.