CN209221691U - A kind of air filter of easy access - Google Patents

Abstract

The utility model discloses a kind of air filters of easy access, including inner casing, shell and filter core, the inner casing is fixedly connected with shell, filter core is equipped between the inner casing and shell, the inner casing upper end is provided with air inlet, the shell is made of stretching structure, the stretching structure has the first end and second end of corresponding setting, the first end is equipped with buckle, its corresponding second end is equipped with card slot, the inner wall of the card slot is equipped with cushion, and outer wall is equipped with limit hole, reset button is installed on the limit hole, and the buckle engaging corresponding with limit hole, the both ends of the buckle are equipped with wearing layer, only passing through manpower by using the connection type snapped connection can be installed or removed, it does not need using special tool, it dismounts very convenient, to replace the high-efficient of filter core, avoiding will The phenomenon that entire filter is scrapped, saves supplies consumption and cost, has saved maintenance time, be easy to application.

Description

A kind of air filter of easy access

Technical field

The utility model relates to air cleaning technical field, specially a kind of air filter of easy access.

Background technique

Air filter (Air Filter) refers to air filter, is generally used for dust proof workshop, clean room, experiment Room and toilet, or for the dust-proof of electric mechanical communication equipment etc..There are low efficient filter, medium effeciency filter, high-medium efficient mistake Filter and it is sub- efficiently and high efficiency particulate air filter totally five kinds of models.Various models have different standard and effective utilization.Air filter The compressed air that is flowed into from import of structure, be introduced into deflector, there is the oblique of equally distributed similar electric fan on deflector Tooth forces swiftly flowing compressed air to generate strong rotation along the tangential direction of tooth, mixes aerial liquid water oil It is separated under powerful centrifugal force effect with biggish impurity, is thrown on the inner wall of cup, flows to the bottom of cup.It removes The compressed air of liquid water oil and larger impurity, then by the further filtering of filter core, remove small solid granulates, then from Outlet exports clean compressed air.

For the compressor of air filter after working long hours, internal core aging need to regularly replace maintenance.It is filtered in replacement It needs to open lid during core, extracts filter core, and the lid of existing filter is to be connect by connectors such as screws with shell , need to remove screw when opening lid using tool, replacement again locks screw after finishing again, this process is not having It is unable to complete in the case where having tool, and whole process time-consuming is more, also has the danger of screw stripped thread, so that lid is difficult to again It is secondary to be installed on shell.

In addition, after air filter uses long-time on the compressor, it is easy to various minor issues occur, need to open lid Son checks filter core, is maintained filter core or is repaired, but in the case where dark, checks that filter core is very inconvenient, needs to borrow The tools such as assistant's torch, bring inconvenience to maintenance.It is entire to filter when pressure difference reaches whole resistance and fails before and after filter unit Device is scrapped, and entire air filter is needed replacing, and increases supplies consumption and cost, and maintenance cost is high.

Utility model content

The purpose of this utility model is to provide a kind of air filters of easy access, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of air filter of easy access, packet Inner casing, shell and filter core are included, the inner casing is fixedly connected with shell, and filter core, the inner casing are equipped between the inner casing and shell Upper end is provided with air inlet, and the shell is made of stretching structure, and the stretching structure has the first of corresponding setting End and second end, the first end are equipped with buckle, and corresponding second end is equipped with card slot, and the inner wall of the card slot is equipped with slow Punching pad, and outer wall is equipped with limit hole, and reset button, and buckle engaging corresponding with limit hole are equipped on the limit hole, The both ends of the buckle are equipped with wearing layer.

Preferably, the stretching structure is folding telescopic structure, and the shell is cylindrical shape.

Preferably, the limit hole is between card slot and reset button.

Preferably, the card slot be " recessed " type structure composition, it is described buckle be " convex " type structure composition, and the card slot and Buckle is mutually clamped connection.

Preferably, the outer casing bottom is equipped with chassis, and chassis is arranged with support base.

Preferably, the bottom of the buckle is equipped with reset spring, and the reset spring is fixedly connected with stretching structure.

Compared with prior art, it is practical that the utility model has the advantages of simple structure, only by using the connection type snapped connection It can be installed or removed, not needed using special tool, dismounting is very convenient, to replace the effect of filter core by manpower Rate is high, convenient for safeguarding, by the way that shell to be arranged using stretching structure, facilitates the connection of buckle while being provided on buckle resistance to Mill layer improves the service life of snap component, using the limit hole and reset button completion buckle snap-fitting process on card slot, i.e., Can be by shell together with inner casing firm locking, this kind of filter is practical, and dust containing capacity is high, extends making for air filter With the service life, filter effect is good, meanwhile, filter core can be replaced at any time, avoided the phenomenon that scrapping entire filter, saved object Material consumption and cost, have saved maintenance time, have been easy to application.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the cross-sectional view of the utility model；

Fig. 3 is the buckle structure schematic diagram of the utility model.

In figure: 1, inner casing；2, shell；3, air inlet；4, stretching structure；5, chassis；6, support base；7, filter core；8, card slot； 9, it buckles；10, wearing layer；11, reset spring；12, limit hole；13, cushion；14, reset button.

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 describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of air filter of easy access, including Inner casing 1, shell 2 and filter core 7, the inner casing 1 are fixedly connected with shell 2, and filter core 7, institute are equipped between the inner casing 1 and shell 2 It states 1 upper end of inner casing and is provided with air inlet 3, the shell 2 is made of stretching structure 4, and the stretching structure 4 has corresponding The first end and second end of setting, the first end are equipped with buckle 9, and corresponding second end is equipped with card slot 8, the card slot 8 inner wall is equipped with cushion 13, and outer wall is equipped with limit hole 12, is equipped with reset button 14 on the limit hole 12, and described The engaging corresponding with limit hole 12 of buckle 9, the both ends of the buckle 9 are equipped with wearing layer 10.

Stretching structure 4 is folding telescopic structure, and the shell 2 is cylindrical shape, and limit hole 12 is located at card slot 8 and reset button Between 14, card slot 8 is " recessed " type structure composition, and the buckle 9 is " convex " type structure composition, and the card slot 8 and buckle 9 are mutually It is connected together, 2 bottom of shell is equipped with chassis 5, and chassis 5 is arranged with support base 6, and the bottom for buckling 9 is equipped with reset spring 11 and the reset spring 11 be fixedly connected with stretching structure 4.

In use, air enters in removable air filter from 2 air inlet button 3 of shell, through filtration core 7, then by 7 mistake of filter core Filter discharge is taken out buckle 9 by pressing reset button 14, just when needing to repair air filter out of card slot 8 Shell 2 can be removed, convenient and efficient, this new air filter structure is simple, and easy to use, practical, dust containing capacity is high, The service life of air filter is extended, filter effect is good, meanwhile, filter core can be replaced at any time, avoided entire filtering The phenomenon that device is scrapped saves supplies consumption and cost, has saved maintenance time, is easy to application.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of air filter of easy access, including inner casing (1), shell (2) and filter core (7), which is characterized in that in described Shell (1) is fixedly connected with shell (2), is equipped with filter core (7) between the inner casing (1) and shell (2), inner casing (1) the top top End is provided with air inlet (3), and the shell (2) is made of stretching structure (4), and the stretching structure (4) has corresponding setting First end and second end, the first end is equipped with buckle (9), and corresponding second end is equipped with card slot (8), the card slot (8) inner wall is equipped with cushion (13), and outer wall is equipped with limit hole (12), is equipped with reset button on the limit hole (12) (14), and the buckle (9) engaging corresponding with limit hole (12), the both ends of the buckle (9) are equipped with wearing layer (10).

2. a kind of air filter of easy access according to claim 1, it is characterised in that: the stretching structure (4) For folding telescopic structure, the shell (2) is cylindrical shape.

3. a kind of air filter of easy access according to claim 1, it is characterised in that: limit hole (12) position Between card slot (8) and reset button (14).

4. a kind of air filter of easy access according to claim 1, it is characterised in that: the card slot (8) is " recessed " type structure composition, the buckle (9) be " convex " type structure composition, and the card slot (8) and buckle (9) company of being mutually clamped It connects.

5. a kind of air filter of easy access according to claim 1, it is characterised in that: shell (2) bottom It is equipped with chassis (5), and chassis (5) are arranged with support base (6).

6. a kind of air filter of easy access according to claim 1, it is characterised in that: the bottom of the buckle (9) Portion is equipped with reset spring (11), and the reset spring (11) is fixedly connected with stretching structure (4).