CN205663482U - Filter - Google Patents

Abstract

The utility model relates to a filtration equipment field, the utility model aims to solve the technical problem that a can carry out filterable filter to the particulate matter is provided. The main technical scheme who adopts does: filter is including filtering piece and filtration. Filtering the piece and holding including first end and the second carried on the back mutually, first serving is equipped with the inlet port, and the second is served and is equipped with the venthole, the filtration includes first guiding gutter and second guiding gutter, first guiding gutter setting on the pore wall of inlet port, the second guiding gutter sets up on the pore wall of venthole, first guiding gutter at least partly with the second guiding gutter is being followed first hold to the orientation of second end in relative, wherein, it is in to filter the piece first guiding gutter with both are made the second guiding gutter by metal fiber felt along first the end to the proper relative part that makes progress of second. The utility model discloses a filter can be to the motor vehicle for instance (, ) the granule in the tail gas of diesel vehicle or gasoline car filter.

Description

Filter

Technical field

This utility model relates to filter plant technical field, particularly relates to a kind of filter.

Background technology

Along with developing rapidly of economy and significantly improving of people's living standard, the sales volume of China's motor vehicles increases rapidly, The pollutant substantial increase of automotive emission, causes severe contamination to the air in city.Wherein, the tail gas of vehicular emission In include substantial amounts of particulate matter, how to effectively filter out these exhaust particulate things, be during vehicle maintenance service Individual important step.

Utility model content

In view of this, technical problem to be solved in the utility model is to provide and a kind of can filter particulate matter Filter, to purify air, improves air quality.

For reaching above-mentioned purpose, this utility model mainly provides following technical scheme:

Embodiment of the present utility model provides a kind of filter, including:

Filtration members, it includes that the first opposing end and the second end, described first end are provided with air inlet, on described second end It is provided with venthole；

Filtration, it includes that the first guiding gutter and the second guiding gutter, described first guiding gutter are arranged on described air inlet Hole wall on, described second guiding gutter is arranged on the hole wall of described venthole, described first guiding gutter at least some of with Described second guiding gutter is relative on along described first end to the direction of the second end；

Wherein, described filtration members at described first guiding gutter and described second guiding gutter along the first end to the second end side Upwards relative to part be made up of metal fiber felt.

The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.

Aforesaid filter, wherein, the quantity of described venthole and described filtration is multiple, and both quantity Equal；

Multiple described ventholes and multiple described filtration one_to_one corresponding.

Aforesaid filter, wherein, multiple described ventholes and multiple described filtration both of which are around described air inlet The centrage in hole is evenly arranged.

Aforesaid filter, wherein, described air inlet is blind hole；

And/or, described venthole is blind hole.

Aforesaid filter, wherein, described filtration members includes that filter assemblies, described filter assemblies include being cascading The first support rib rack-layer, the first metallic fiber carpet veneer and ground floor；

Described air inlet and described venthole sequentially pass through described first support rib rack-layer, described first metal respectively Fibre felt layer and described ground floor；

Described first support rib rack-layer is provided with the first through through hole, and described first through hole is at the hole wall of described air inlet On there is the first opening, described first through hole has the second opening in the one end deviating from described first metallic fiber carpet veneer；Described First through hole coordinates with described first metallic fiber carpet veneer with the first guiding gutter described in formation；

One end relative with described first metallic fiber carpet veneer in described ground floor is provided with the first groove, described first groove Having the 3rd opening on the hole wall of described venthole, described first groove coordinates with described first metallic fiber carpet veneer to be formed The second described guiding gutter.

Aforesaid filter, wherein, described ground floor includes the second support rib rack-layer and the second gold medal being cascading Belonging to fibre felt layer, described ground floor is by described second support rib rack-layer and described first metal fiber felt layer stackup；

Described second support rib rack-layer is provided with the second through through hole, and described second through hole is at the hole wall of described venthole On there is opening, described opening coordinates with described second metallic fiber carpet veneer as the 3rd described opening, described second through hole The first groove described in formation.

Aforesaid filter, wherein, the quantity of described filter assemblies is multiple, and multiple described filter assemblies stack gradually cloth Put；Described air inlet and described venthole sequentially pass through multiple described filter assemblies respectively；

Wherein, two adjacent described filter assemblies are taken as the first filter assemblies and the second filter assemblies respectively, and described Second metallic fiber carpet veneer of one filter assemblies and the first support frame layer stackup of described second filter assemblies, and described the Second metallic fiber carpet veneer of one filter assemblies covers the second opening of the first through hole on described second filter assemblies.

Aforesaid filter, wherein, two filter assemblies being positioned at two ends in multiple described filter assemblies are taken as respectively Three filter assemblies and the 4th filter assemblies, the first support rib rack-layer of described 3rd filter assemblies and described 4th filtration group Second metallic fiber carpet veneer of part is respectively placed in the outermost layer of multiple described filter assemblies；

Described filtration members also includes the first capping, and the second metal that described first capping covers described 4th filter assemblies is fine The opening of the air inlet on dimension carpet veneer.

Aforesaid filter, wherein, described filtration members also includes that the second capping, described second capping cover described 3rd mistake Second opening of the first through hole in first support rib rack-layer of filter assembly.

Aforesaid filter, wherein, described second capping also covers the first support rib rack-layer of described 3rd filter assemblies The opening of upper venthole.

By technique scheme, this utility model filter at least has the advantages that

In the technical scheme that this utility model provides, because filtration members phase between the first guiding gutter and the second guiding gutter To part be made up of metal fiber felt, metal fiber felt has splendid particle filtering function, filter of the present utility model The most in use, the opening of air inlet one end can be blocked, so that air inlet becomes blind hole, then from the air inlet other end Opening be passed through the air such as vehicle exhaust etc. of pollution, the first water conservancy diversion that the air of pollution is forced to from the hole wall of air inlet Groove flows in the second guiding gutter via metal fiber felt part, and flows out from venthole, and wherein, metal fiber felt part can be right Particulate matter in contaminated air filters, thus the quality of the air after this utility model filter filters is higher, only Change air.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and can being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed Describe in detail bright as after.

Accompanying drawing explanation

Fig. 1 is the cross-sectional view of a kind of filter that an embodiment of the present utility model provides；

Fig. 2 is the cross-sectional view of the another kind of filter that an embodiment of the present utility model provides；

Fig. 3 is the decomposition texture schematic diagram of the filter assemblies of a kind of filter that an embodiment of the present utility model provides；

Fig. 4 is the package assembly schematic diagram of filter assemblies in Fig. 3；

Fig. 5 is the decomposition texture signal of the filter assemblies of the another kind of filter that an embodiment of the present utility model provides Figure；

Fig. 6 is the package assembly schematic diagram of the ground floor of filter assemblies in Fig. 5；

Fig. 7 is that adjacent two filter assemblies of a kind of filter that an embodiment of the present utility model provides decomposes relatively Structural representation；

Fig. 8 is first capping other parts with filter of a kind of filter that an embodiment of the present utility model provides The structural representation relatively decomposed；

Fig. 9 is the package assembly schematic diagram of filter in Fig. 8；

Figure 10 is the second capping other portion with filter of a kind of filter that an embodiment of the present utility model provides The split-phase structural representation to decomposing；

Figure 11 is the package assembly schematic diagram of filter in Figure 10；

Figure 12 is the structural representation of the another kind of filter that an embodiment of the present utility model provides.

Detailed description of the invention

By further illustrating the technological means and effect that this utility model taked by reaching predetermined utility model purpose, Below in conjunction with accompanying drawing and preferred embodiment, to according to the detailed description of the invention of this utility model application, structure, feature and merit thereof Effect, after describing in detail such as.In the following description, what different " embodiments " or " embodiment " referred to is not necessarily same enforcement Example.Additionally, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.

As it is shown in figure 1, a kind of filter 100 that an embodiment of the present utility model proposes, including filtration members 1 and filtration Structure 2.Filtration members 1 includes the first opposing end 11 and the second end 12.First end 11 is provided with air inlet 111, this air inlet 111 For blind hole, the second end 12 is provided with venthole 121.Filtration 2 includes the first guiding gutter 21 and the second guiding gutter 22.First Guiding gutter 21 is arranged on the hole wall of air inlet 111, thus the first guiding gutter 21 connects with air inlet 111.Second guiding gutter 22 It is arranged on the hole wall of venthole 121, thus the second guiding gutter 22 connects with venthole 121.At least the one of first guiding gutter 21 Part with the second guiding gutter 22 on the direction along the first end 11 to the second end 12 relative.Herein for convenience of describing, by the first end The direction of 11 to the second ends 12 is taken as first direction, and this first direction meets: the first end 11 of filtration members 1 is based on this first party To extending to the second end 12.This first direction can be the direction of straight path, it is also possible to be the direction of curvilinear path.Its In, filtration members 1 goes up relative part 13 by metallic fiber at the first guiding gutter 21 in the first direction with both the second guiding gutters 22 Felt becomes, specifically: this metal fiber felt part has the first opposing side 131 and the second side in the first direction 132, the first side 131 of metal fiber felt part constitutes a part for the cell wall of the first guiding gutter 21, this metal fiber felt portion The second side 132 divided constitutes a part for the cell wall of the second guiding gutter 22.

Metal fiber felt, also referred to as metallic fiber sintered felt, be a kind of novel porous material, have high temperature resistant, antioxidation, Corrosion-resistant, hole is controlled, permeance property good, intensity advantages of higher.Wherein, during the concrete structure of metal fiber felt is prior art Common technology, can choose the most in the prior art, not repeat them here.Metal fiber felt has excellent granule Filtering function, can filter the particulate matter in air.The size in the aperture of metal fiber felt, determines particulate matter mistake The effect of filter.The aperture of metal fiber felt is the least, the best to the filter effect of particulate matter, otherwise, the aperture of metal fiber felt is more Greatly, the poorest to the filter effect of particulate matter.

In the technical scheme of above-mentioned offer, as it is shown in figure 1, filter of the present utility model 100 is concrete in use, can It is internal, due to air inlet 111 so that the air of pollution such as vehicle exhaust etc. is passed through air inlet 111 from the opening of air inlet 111 For blind hole, the air of pollution is forced to the direction flowing of arrow in Fig. 1, i.e. air is forced to from air inlet 111 hole wall The first guiding gutter 21 flow in the second guiding gutter 22 on venthole 121 hole wall via metal fiber felt part 13, and from going out Pore 121 flows out.Wherein, the particulate matter in contaminated air can be filtered by metal fiber felt part, thus through this reality The quality of the air after filtering with filter 100 is higher, has purified air.

Further, as it is shown in figure 1, above-mentioned venthole 121 is also blind hole, so that air flows into from the first end 11, and Flowing out from the second end 12, the convenient flow direction to air is controlled.

Need exist for explanation: as in figure 2 it is shown, aforesaid air inlet 111 can not also be for blind hole.A replacement In embodiment, above-mentioned air inlet 111 is through hole.When this utility model filter 100 in use, can be by this air inlet One end closure of 111, so that air inlet 111 becomes blind hole.Same, aforesaid venthole 121 can also be through hole, when this reality With filter 100 in use, one end of this venthole 121 can be blocked, so that venthole 121 becomes blind hole.

In order to improve filter efficiency, it is preferred that the first above-mentioned guiding gutter 21 is led with second completely going up in the first direction Chute 22 relatively, flows into the efficiency of the second guiding gutter 22 improving air from the first guiding gutter 21.

In order to improve filter efficiency, as depicted in figs. 1 and 2, the quantity of aforementioned venthole 121 and filtration 2 can be equal For multiple, and both quantity is equal.The plurality of venthole 121 and multiple filtration 2 one_to_one corresponding.In the present embodiment, It is internal that contaminated air flows into air inlet 111, and filters via multiple filtrations 2, and the air after filtration goes out from accordingly Pore 121 flows out.Relative to only one of which filtration 2 and a venthole 121, the present embodiment uses multiple venthole 121 and the filter efficiency of multiple filtration 2 higher.

Further, as depicted in figs. 1 and 2, above-mentioned multiple ventholes 121 and multiple filtration 2 both of which cincture The centrage a of air inlet 111 is evenly arranged, so that being more uniformly stressed of filtration members 1, structure is more stable.

In a concrete application example, the aforesaid cylindrical shape of filtration members 1, the centrage of filtration members 1 and air inlet The centrage a in hole 111 overlaps, and multiple ventholes 121 and multiple filtration 2 are arranged around the centrage a of air inlet 111.

As depicted in figs. 1 and 2, aforesaid filtration members 1 can be integral type structure, with the technology effect that structure is more stable Really.But, to process for convenience, aforesaid filtration members 1 can be assembled structure.Concrete, as shown in Figure 3 and Figure 4, Aforesaid filtration members 1 includes first support rib rack-layer the 31, first gold medal that filter assemblies 3, filter assemblies 3 include being cascading Belong to fibre felt layer 32 and ground floor 33.Both aforesaid air inlet 111 and venthole 121 sequentially pass through the first support rib rack-layer 31, the first metallic fiber carpet veneer 32 and ground floor 33.First support rib rack-layer 31 is provided with the first through through hole 311.First Through hole 311 has the first opening 3111 on the hole wall of air inlet 111, and the first through hole 311 is deviating from the first metallic fiber carpet veneer One end of 32 has the second opening 3112.Wherein, due to both the first support rib rack-layer 31 and the first metallic fiber carpet veneer 32 layer Folded, thus the first metallic fiber carpet veneer 32 covers the first through hole 311 with second opposing one end of opening 3112 opening, first leads to Hole 311 coordinates with the first metallic fiber carpet veneer 32 to form aforesaid first guiding gutter 21.Specifically, the first metal fiber felt The part of openings of layer 32 capping the first through holes 311 forms the bottom surface of the first guiding gutter 21, and the hole wall of the first through hole 311 forms the The groove sidewall of one guiding gutter 21.

As shown in Figure 3 and Figure 4, in above-mentioned ground floor 33, to be provided with first recessed in one end relative with the first metallic fiber carpet veneer 32 Groove 331, " relative one end " refers to ground floor 33 one end towards the first metallic fiber carpet veneer 32, or perhaps ground floor herein 33 direct one end with the first metallic fiber carpet veneer 32 phase stacking.First groove 331 has the 3rd on the hole wall of venthole 121 Opening 3311.Due to ground floor 33 and the first metallic fiber carpet veneer 32 stacking, and the notch of the first groove 331 is towards the first gold medal Belong to fibre felt layer 32 so that the first metallic fiber carpet veneer 32 covers the notch of the first groove 331, the first groove 331 and the first gold medal Belong to fibre felt layer 32 to coordinate to form aforesaid second guiding gutter 22.Specifically, the first metallic fiber carpet veneer 32 covers first The part of the notch of groove 331 forms a part for the cell wall of the second guiding gutter 22, and the cell wall of the first groove 331 is also formed A part for the cell wall of the second guiding gutter 22.

In the above-described embodiments, as shown in Figure 3 and Figure 4, the first metallic fiber carpet veneer 32 i.e. act as the first guiding gutter 21 Relative part is gone up in the first direction with both the second guiding gutters 22.Owing to filter assemblies 3 is to be formed by multiple layer stackup, permissible First on each corresponding layer, corresponding structure is processed, such as in the first support rib rack-layer 31 according to above-mentioned technical scheme Process the first through hole 311, ground floor 33 processes the first groove 331, more the plurality of layer is stacked gradually The structure of the filter assemblies 3 needed for formation, its processing and assembling are the most more convenient.

Further, aforesaid ground floor 33 can also be multiple structure.In a concrete application example, such as Fig. 5 Shown in Fig. 6, aforesaid ground floor 33 includes the second support rib rack-layer 301 and the second metallic fiber carpet veneer being cascading 302.Ground floor 33 is by the second support rib rack-layer 301 and the first metallic fiber carpet veneer 32 stacking, the second support rib rack-layer 301 It is placed between the first metallic fiber carpet veneer 32 and the second metallic fiber carpet veneer 302.Second support rib rack-layer 301 is provided with through Second through hole 3011, the second through hole 3011 has opening on the hole wall of venthole 121, and the second through hole 3011 and the second metal are fine Dimension carpet veneer 302 cooperatively forms aforesaid first groove 331, and second through hole 3011 opening on venthole 121 hole wall is as front State the 3rd opening 3311 of the first groove 331.Specifically, the second metallic fiber carpet veneer 302 covers the second through hole 3011 therewith The part of relative opening constitutes the bottom surface of the first groove 331, and the hole wall of the second through hole 3011 constitutes the groove side of the first groove 331 Wall.In the present embodiment, owing to ground floor 33 is divided into two-layer, first second can be processed in the second support rib rack-layer 301 Through hole 3011, the most again by the second support rib rack-layer 301 and the second metallic fiber carpet veneer 302 stacking, i.e. may be combined to form aforementioned The first groove 331 so that the processing of the first groove 331 is more convenient.

Further, as shown in Figures 3 to 5, on foregoing filtration assembly 3, the quantity of filtration 2 is multiple, so filters The first guiding gutter 21 on assembly 3 and the quantity of both the second guiding gutters 22 are also multiple.Now, aforesaid second guiding gutter 22 Can be with one_to_one corresponding with both the first guiding gutters 21, the gas i.e. flowed into from first guiding gutter 21 can only be from corresponding Second guiding gutter 22 flow out.Arrange for convenience, it is also possible to be corresponding two second water conservancy diversion of the first guiding gutter 21 Groove 22, two the most adjacent second respective parts of guiding gutter 22 respectively with the different piece of same first guiding gutter 21 Relatively so that the gas flowed into from the first guiding gutter 21 can flow out from two the second guiding gutters 22 respectively.Wherein, the first water conservancy diversion Arrangement concrete between groove 21 and the second guiding gutter 22 can be arranged according to the actual demand of user, as long as ensureing to lead via first Gas after chute 21 and the first metallic fiber filter can export to venthole 121 from the second guiding gutter 22.

Further, as it is shown in fig. 7, the quantity of foregoing filtration assembly 3 is multiple, multiple filter assemblies 3 stack gradually cloth Put.Both aforesaid air inlet 111 and venthole 121 sequentially pass through the plurality of filter assemblies 3 respectively.For convenience of describing, by phase Two adjacent filter assemblies 3 are taken as the first filter assemblies 3001 and the second filter assemblies 3002 respectively.Wherein, two adjacent mistakes Filter assembly 3 is not random stacking, specifically: the second metallic fiber carpet veneer 302 and the second mistake of the first filter assemblies 3001 Filter the first support rib rack-layer 31 stacking of assembly 3002, and the second metallic fiber carpet veneer 302 of the first filter assemblies 3001 covers Second opening 3112 of the first through hole 311 on the second filter assemblies 3002.So, when contaminated air is from air inlet 111 When entering in the first through hole 311 that is first guiding gutter 21 of the second filter assemblies 3002, a part for this contaminated air via The second guiding gutter 22 on first metallic fiber carpet veneer 32 of the second filter assemblies 3002 and the second filter assemblies 3002 is from giving vent to anger Hole 121 is discharged, and another part of this contaminated air is via the second metallic fiber carpet veneer 302 and of the first filter assemblies 3001 Second guiding gutter 22 of one filter assemblies 3001 is discharged from venthole 121, so that the first metal of same filter assemblies 3 is fine Dimension carpet veneer 32 and the second metallic fiber carpet veneer 302 all can participate in filtration, and then improve the filter efficiency of filter assemblies 3.Another Aspect, owing to the quantity of filter assemblies 3 is multiple, can accelerate the filter efficiency of unit volume contaminated air.

Describe for convenience, as shown in Figs. 8 to 11, aforesaid plurality of filter assemblies 3 will be positioned at two filtrations at two ends Assembly 3 is taken as the 3rd filter assemblies 3003 and the 4th filter assemblies 3004 respectively.Wherein, first of the 3rd filter assemblies 3003 Second metallic fiber carpet veneer 302 of support bone rack-layer 31 and the 4th filter assemblies 3004 is respectively placed in multiple filter assemblies 3 Outer layer.Need exist for explanation: if the quantity of foregoing filtration assembly 3 is two, then before the 3rd filter assemblies 3003 is The first filter assemblies 3001 stated, the 4th filter assemblies 3004 is aforesaid second filter assemblies 3002.

As shown in Figure 8 and Figure 9, aforesaid filtration members 1 also includes the first capping 5, this first capping 5 capping the 4th filtration group The opening of the air inlet 111 on the second metallic fiber carpet veneer 302 of part 3004, to become air inlet 111 into blind hole.So, when Contaminated air, when the other end opening of air inlet 111 flows into air inlet 111 inside, owing to air inlet 111 is blind hole, is subject to The first guiding gutter 21 that the air polluted is forced to from air inlet 111 hole wall flows into, and filters via metallic fiber carpet veneer.

As shown in Figure 10 and Figure 11, aforesaid filtration members 1 also includes the second capping 6, this second capping 6 capping the 3rd filtration Second opening 3112 of the first through hole 311 in first support rib rack-layer 31 of assembly 3003, to prevent contaminated air from this Second opening 3112 is escaped, enable contaminated air by the first through hole 311 of the 3rd filter assemblies 3003 with second The opening that opening 3112 is relative enters metallic fiber carpet veneer and filters.

Further, as shown in Figure 10 and Figure 11, aforesaid second capping 6 also covers the first of the 3rd filter assemblies 3003 The opening of venthole 121 in support rib rack-layer 31, so that the second venthole 121 also becomes blind hole.So, band can be made to filter Air flows into from one end of filtration members 1, and flows out from the other end of filtration members 1, and the convenient flow direction to air is controlled.

Need exist for explanation: the filter 100 in above-described embodiment can be to motor vehicles such as diesel vehicle or gasoline The tail gas of car filters, it is also possible to air is filtered by the filter as air purifier.

Filter 100 the most of the present utility model is connected with external equipment, as shown in figure 12, and mistake of the present utility model Filter 100 also includes connecting shell 7, connects shell 7 and has inner chamber 71, connects the both ends open of shell 7.Connect shell 7 to be overlapped by inner chamber 71 It is located on the lateral wall of foregoing filtration part 1.Connect the one end open of shell 7 and air inlet 111 phase on the first end 11 of filtration members 1 Correspondence, the opening connecting shell 7 other end is corresponding with the venthole 121 on the second end 12 of filtration members 1.Connect the inner chamber of shell 7 71 have the edge profile suitable with the lateral wall of filtration members 1 so that connect shell 7 internal chamber wall in circumferential direction with filtration The lateral wall of part 1 seals and coordinates.

As shown in figure 12, an opening of aforementioned connection shell 7 can be provided with the first adpting flange 701, and connecting shell 7 can lead to Cross this first adpting flange 701 to be connected with external equipment.

As shown in figure 12, another opening of aforementioned connection shell 7 can be provided with the second adpting flange 702, connects shell 7 permissible It is connected with external equipment by this second adpting flange 702.

The above, be only preferred embodiment of the present utility model, not this utility model is made any in form Restriction, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, All still fall within the range of technical solutions of the utility model.

Claims (10)

1. a filter, it is characterised in that including:

Filtration members, it includes that the first opposing end and the second end, described first end are provided with air inlet, and described second end is provided with Venthole；

Filtration, it includes the first guiding gutter and the second guiding gutter, and described first guiding gutter is arranged on the hole of described air inlet On wall, described second guiding gutter is arranged on the hole wall of described venthole, described first guiding gutter at least some of with described Second guiding gutter is relative on along described first end to the direction of the second end；

Wherein, described filtration members described first guiding gutter and described second guiding gutter along the first end to the second extreme direction on Relative part is made up of metal fiber felt.

2. filter as claimed in claim 1, it is characterised in that

The quantity of described venthole and described filtration is multiple, and both quantity is equal；

Multiple described ventholes and multiple described filtration one_to_one corresponding.

3. filter as claimed in claim 2, it is characterised in that

Multiple described ventholes are evenly arranged around the centrage of described air inlet with multiple described filtration both of which.

4. filter as claimed in claim 1, it is characterised in that

Described air inlet is blind hole；

And/or, described venthole is blind hole.

5. the filter as according to any one of Claims 1-4, it is characterised in that

Described filtration members include the first support rib rack-layer that filter assemblies, described filter assemblies include being cascading, first Metallic fiber carpet veneer and ground floor；

Described air inlet and described venthole sequentially pass through described first support rib rack-layer, described first metallic fiber respectively Carpet veneer and described ground floor；

Described first support rib rack-layer is provided with the first through through hole, and described first through hole has on the hole wall of described air inlet Having the first opening, described first through hole has the second opening in the one end deviating from described first metallic fiber carpet veneer；Described first Through hole coordinates with described first metallic fiber carpet veneer with the first guiding gutter described in formation；

One end relative with described first metallic fiber carpet veneer in described ground floor is provided with the first groove, and described first groove is in institute Stating and have the 3rd opening on the hole wall of venthole, described first groove coordinates to be formed described with described first metallic fiber carpet veneer The second guiding gutter.

6. filter as claimed in claim 5, it is characterised in that

Described ground floor includes the second support rib rack-layer and the second metallic fiber carpet veneer being cascading, and described ground floor leads to Cross described second support rib rack-layer and described first metal fiber felt layer stackup；

Described second support rib rack-layer is provided with the second through through hole, and described second through hole has on the hole wall of described venthole Having opening, described opening cooperatively forms with described second metallic fiber carpet veneer as the 3rd described opening, described second through hole The first described groove.

7. filter as claimed in claim 6, it is characterised in that

The quantity of described filter assemblies is multiple, and multiple described filter assemblies stack gradually layout；Described air inlet and described go out Both pores sequentially pass through multiple described filter assemblies respectively；

Wherein, two adjacent described filter assemblies are taken as the first filter assemblies and the second filter assemblies, described first mistake respectively Second metallic fiber carpet veneer of filter assembly and the first support frame layer stackup of described second filter assemblies, and described first filtration Second metallic fiber carpet veneer of assembly covers the second opening of the first through hole on described second filter assemblies.

8. filter as claimed in claim 7, it is characterised in that

Two filter assemblies being positioned at two ends in multiple described filter assemblies are taken as the 3rd filter assemblies and the 4th filtration group respectively Part, the first support rib rack-layer of described 3rd filter assemblies and the second metallic fiber carpet veneer of described 4th filter assemblies divide It is not placed in the outermost layer of multiple described filter assemblies；

Described filtration members also includes that the first capping, described first capping cover the second metal fiber felt of described 4th filter assemblies The opening of the air inlet on layer.

9. filter as claimed in claim 8, it is characterised in that

Described filtration members also includes that the second capping, described second capping cover the first support rib rack-layer of described 3rd filter assemblies Second opening of upper first through hole.

10. filter as claimed in claim 9, it is characterised in that

Described second capping also covers the opening of venthole in the first support rib rack-layer of described 3rd filter assemblies.