CN208785629U - A kind of self-priming air filter - Google Patents

Abstract

The utility model discloses a kind of self-priming air filters, including half mask, the bottom of half mask is connected together by interconnecting piece mask pedestal, being connected together at the gas outlet of mask base bottom has base seat lid, breathing hose is socketed at the air inlet of mask pedestal side, the filter cartridge top cover that one end of breathing hose is threadedly coupled with housing tip is sleeved and fixed, the internal sleeve of shell, which is equipped with, filters outer core, a kind of self-priming air filter of the utility model, using three stage structure, hemihedry, it can flexibly be dismantled between breathing hose and shell, facilitate the production of mask, assembly and disassembly；The outer core of the filtering of enclosure interior installation and filtering inner core can carry out double filtration to the air of sucking, compared with conventional air filter, filter effect is more preferable, and the cold flow expiration valve discharge that the wet body of exhalation can be installed quickly from blow-off tee, it avoids being detained, guarantees the cleanliness of wearer sucking air.

Description

A kind of self-priming air filter

Technical field

The utility model relates to a kind of filter, in particular to a kind of self-priming air filter.

Background technique

Air filter is a kind of filtering type protective respirator, is to be formed using mask with human face periphery closely sealed, makes Eyes, nose, mouth and the face of personnel is isolated with surrounding toxic environment, while by the absorption of adsorbent in canister, suction Receipts, catalytic action and the filtration of filter layer purify external world's contamination air, and the personnel of offer, which breathe, uses pure air.It is anti- Malicious mask is generally made of mask, canister, gas-guide tube, gas mask carrier etc..

But the filtering function of existing air filter is generally too single, and the disassembly of air filter is more numerous It is trivial, many inconvenience is caused to the use of air filter, then traditional air filter is not able to satisfy use gradually The demand of person.

Utility model content

The purpose of this utility model is to provide a kind of self-priming air filters, to solve to propose in above-mentioned background technique Filtering function be generally too single, and the disassembly of air filter is relatively complicated, causes to the use of air filter many Inconvenient problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of self-priming air filter, including half Mask, the bottom of the half mask is connected together by interconnecting piece mask pedestal, at the gas outlet of the mask base bottom Being connected together has base seat lid, and breathing hose, one end of the breathing hose are socketed at the air inlet of mask pedestal side The filter cartridge top cover being threadedly coupled with housing tip is sleeved and fixed, and the internal sleeve of the shell, which is equipped with, filters outer core, the filtering The inside of outer core is socketed with filtering inner core, and the bottom thread of the shell is connected with filter cartridge bottom cover, and the side of the shell is set There is hangers, one end of the hangers is equipped with the arc-like sheet being linked together, and the arc-like sheet is offered by screw and shell shell wall Threaded hole is threadedly coupled.

As a kind of optimal technical scheme of the utility model, exhaust three is installed at the gas outlet of the mask pedestal Logical, the inside of blow-off tee is fixedly installed with cold flow expiration valve, and the housing tip opening is threadedly coupled with filter cartridge top cover Place is embedded with breather cheek valve, and the housing bottom and the threaded connection place of filter cartridge bottom cover are embedded with filter cotton, the filtering The inside of cassette bottom lid offers the annular slot to match with the outer core bottom shape of filtering, the bottom of the outer core of the filtering and annular Card slot is connected together, and the edge of filter cartridge bottom cover bottom offers the air inlet of several rounded distributions, the mistake The inside for filtering inner core is filled with active carbon particle, and the inside of the outer core of the filtering is filled with pm. filter membrane.

As a kind of optimal technical scheme of the utility model, the two sides of the half mask are fixed with buckle, and two Buckle interts connection with the both ends of headband respectively.

As a kind of optimal technical scheme of the utility model, the surface of the outer core of the filtering and filtering inner core is offered Several air holes.

Compared with prior art, the utility model, which has following beneficial effect, is:

1) three stage structure is used, can flexibly be dismantled between hemihedry, breathing hose and shell, facilitate mask Production, assembly and disassembly.

2) the outer core of the filtering of enclosure interior installation and filtering inner core can carry out double filtration to the air of sucking, compared with biography System air filter, filter effect is more preferable, and the cold flow expiration valve that the wet body breathed out can be installed quickly from blow-off tee Discharge, avoids being detained, and guarantees the cleanliness of wearer sucking air.

3) shell can be hung on left ear or auris dextra when using the air filter by the hangers of shell side installation On, facilitate the fixation of shell, the use convenient for the wearing of air filter, suitable for different use habit personnel.

4) contact area with face is reduced using half mask, increases the comfort that air filter is worn,

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the explosive view of the utility model.

In figure: 1, half mask；2, headband；3, mask pedestal；4, breathing hose；5, shell；6, hangers；7, threaded hole；8, Filter cartridge bottom cover；9, outer core is filtered；10, filter cartridge top cover；11, inner core is filtered；12, breather cheek valve；13, base seat lid；14, even Socket part.

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.

The utility model provides a kind of self-priming air filter, including half mask 1, half mask 1 referring to FIG. 1-2, Bottom be connected together by interconnecting piece 14 and have mask pedestal 3, being connected together at the gas outlet of 3 bottom of mask pedestal has base seat lid 13, breathing hose 4 is socketed at the air inlet of 3 side of mask pedestal, and one end of breathing hose 4 is threadedly coupled with 5 top of shell Filter cartridge top cover 10 be sleeved and fixed, the internal sleeve of shell 5, which is equipped with, filters outer core 9, and the inside of the outer core 9 of filtering is socketed in filtering Core 11, the bottom thread of shell 5 are connected with filter cartridge bottom cover 8, and the side of shell 5 is equipped with hangers 6, and one end of hangers 6, which is equipped with, to be connected The arc-like sheet being integrated, arc-like sheet offer threaded hole 7 with 5 shell wall of shell by screw and are threadedly coupled.

Preferably, blow-off tee is installed, the inside of blow-off tee is fixedly installed with cold flow at the gas outlet of mask pedestal 3 Expiration valve, 5 top end opening of shell and 10 threaded connection place of filter cartridge top cover are embedded with breather cheek valve 12,5 bottom end of shell with The threaded connection place of filter cartridge bottom cover 8 is embedded with filter cotton, and the inside of filter cartridge bottom cover 8 offers and filters outer 9 bottom shape of core The annular slot that shape matches, the bottom for filtering outer core 9 are connected together with annular slot, the edge of 8 bottom of filter cartridge bottom cover The air inlet of several rounded distributions is offered, the inside of filtering inner core 11 is filled with active carbon particle, filters the interior of outer core 9 Portion is filled with pm2.5 filter membrane, passes through the breather cheek valve 12 being equipped with, it is ensured that the one-way flow of air when air-breathing, 5 bottom end of shell The filter cotton being embedded with the threaded connection place of filter cartridge bottom cover 8 can prevent extraneous air direct in the case where filtered Into the inside of shell 5.

Preferably, the two sides of half mask 1 are fixed with buckle, and two buckles intert connection with the both ends of headband 2 respectively, Facilitate the wearing of air filter by the headband 2 being equipped with.

Preferably, the surface for filtering outer core 9 and filtering inner core 11 offers several air holes, and true air can pass through Air hole respectively enters inside the outer core 9 of filtering and filtering inner core 11, is effectively filtered to air.

When specifically used, a kind of self-priming air filter of the utility model, when needing using this kind of air filter, Inner core 11 will be filtered first be placed in and filter the inside of outer core 9, then by filter cartridge top cover 10 and filter cartridge bottom cover 8 respectively with shell 5 top and bottom end are threadedly coupled, so that the annular slot that the bottom of the outer core 9 of filtering and filter cartridge bottom cover 8 open up carries out It is fixed, while the bottom for filtering inner core 11 using 8 pairs of filter cartridge bottom cover grips, so that the outer core 9 of filtering and mistake Filter inner core 11 is placed in inside and the fixation of shell 5, then be socketed by one end of breathing hose 4 and filter cartridge top cover 10 solid It is fixed, then the other end of breathing hose 4 and the air inlet of 3 side of mask pedestal are sleeved and fixed, complete the peace of air filter Dress.

When wearing air filter, headband 2 is sheathed on head first, and the elasticity of headband 2 is adjusted, made Face can be fitted in by obtaining half mask 1, and shell 5 is then placed in the wherein side of face, is mounted using hangers 6 with ear It is fixed；For wearer in air-breathing, the air inlet that air passes through filter 8 bottom of cassette bottom lid first enters the inside of shell 5, air into Behind the inside for entering shell 5, impurity in air is adsorbed by filtering the active carbon particle inside outer core 9 first, then mistake Air after filter is for re-filtering by filtering inner core 11, adsorbs to the pm2.5 in air, the air after final filtration Enter the inside of half mask 1 by breather cheek valve 12 and breathing hose 4, wearer can normal suction, exhaling When, the gas of exhalation is discharged by cold flow expiration valve.

When the filter core to the air filter is replaced, filter cartridge bottom cover 8 need to only be opened, outer 9 He of core will be filtered It filters inner core 11 to take out, be replaced.

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 (4)

1. a kind of self-priming air filter, including half mask (1), which is characterized in that the bottom of the half mask (1) passes through company Socket part (14), which is connected together, to be had mask pedestal (3), and being connected together at the gas outlet of mask pedestal (3) bottom has base seat lid (13), it is socketed with breathing hose (4) at the air inlet of mask pedestal (3) side, one end of the breathing hose (4) and shell The filter cartridge top cover (10) that body (5) top is threadedly coupled is sleeved and fixed, and the internal sleeve of the shell (5), which is equipped with, filters outer core (9), The inside of the outer core (9) of the filtering is socketed with filtering inner core (11), and the bottom thread of the shell (5) is connected with filter cartridge bottom cover (8), the side of the shell (5) is equipped with hangers (6), and one end of the hangers (6) is equipped with the arc-like sheet being linked together, the arc Shape piece offers threaded hole (7) with shell (5) shell wall by screw and is threadedly coupled.

2. a kind of self-priming air filter according to claim 1, it is characterised in that: the mask pedestal (3) goes out Blow-off tee is installed, the inside of blow-off tee is fixedly installed with cold flow expiration valve, shell (5) top end opening at port It is embedded with breather cheek valve (12) with filter cartridge top cover (10) threaded connection place, shell (5) bottom end and filter cartridge bottom cover (8) Threaded connection place be embedded with filter cotton, the inside of the filter cartridge bottom cover (8) offers and filters outer core (9) bottom shape phase The bottom of matched annular slot, the outer core (9) of the filtering is connected together with annular slot, filter cartridge bottom cover (8) bottom Edge offer the air inlets of several rounded distributions, the inside of filtering inner core (11) is filled with active carbon The inside of grain, the outer core (9) of the filtering is filled with pm2.5 filter membrane.

3. a kind of self-priming air filter according to claim 1, it is characterised in that: the two sides of the half mask (1) It is fixed with buckle, two buckles intert connection with the both ends of headband (2) respectively.

4. a kind of self-priming air filter according to claim 1, it is characterised in that: the outer core (9) of the filtering and mistake The surface of filter inner core (11) offers several air holes.