CN104784844A - Folding filter - Google Patents

Abstract

The invention relates to a folding filter which comprises a filter cylinder and a nose pad. The filter cylinder is a tooth-shaped folding filter cylinder, sealing plates are arranged at the two ends of the filter cylinder, an air flow channel is arranged in the filter cylinder, the nose pad is arranged on the outer surface of the middle of the filter cylinder and provided with air holes used for breathing, and the air holes are communicated with the airflow channel in the filter cylinder. The folding filter has a large filtering area and small resistance, a user puts on the folding filter comfortably and conveniently, and the folding filter is low in cost and is an upgraded and updated product of a mask.

Description

Folder filter

Technical field

The present invention relates to a kind of filter, particularly relate to a kind of brown formula pleated filter.

Background technology

Due to industrial pollution and environmental change, in the whole nation all there is " haze " weather in a lot of area, containing a large amount of micronic dusts, the contamination particle being greater than PM2.5 in air, after human body sucks, affect healthy, therefore a lot of people is in order to prevent PM2.5, often wears mouth mask.Much having dust and requiring dust-proof place in addition, people also often use mouth mask.

But in use, sensation is ventilative to have some setbacks existing mouth mask, too vexed, too hot; In addition, the face of people and nose have all covered by mouth mask, are not easy to speak, drink water; Topmost shortcoming is, if use the mouth mask that the thicker filter effect of filter course is better, the more difficult discharge of carbon dioxide of characteristics of contaminated respiratory droplets, the CO 2 waste gas of 50% is had to remain in mouth mask, formed " carbon dioxide retention ", when nose again air-breathing time, these change residual CO 2 waste gas again major part is again sucked, totally unfavorable to human body.

For the problems referred to above, we have developed that a kind of filter area is large, the folder filter of good manufacturability, CO 2 waste gas residual quantity is little, structure is more firm novel concept.

Summary of the invention

The object of the invention is to overcome the deficiencies in the prior art, providing that a kind of filter area is large, manufacture craft is good, structure is more firm, CO 2 waste gas residual quantity is little, the better folder filter of filter effect.

The present invention is achieved by the following technical programs:

Folder filter, comprise filter cylinder, nose pad, it is characterized in that, described filter cylinder is profile of tooth pleated filter cartridge, and the multiple folding crape made by efficient or sub-efficient, middle effect, thick effect filter paper is formed, described multiple folding crape is similar to palmette, the two ends of described filter cylinder are provided with shrouding, and the inside of described filter cylinder is provided with gas channel, and the outer surface in the middle part of described filter cylinder is provided with nose pad, described nose pad is provided with the pore for breathing, and described pore communicates with the gas channel in filter cylinder.

Further, the section of described filter cylinder is similar to palmette, the top circular arc of section, and bottom is radial folding crape.

Further, the folding crape of described filter cylinder is no less than 5.

Further, appearance and the inner side of the folding crape of described filter cylinder are provided with some spacer bars, and the inside of the folding crape of described filter cylinder is provided with card comb.

Further, described card comb is hollow structure, and in del, top is circular arc, and both sides, bottom are waveform, and the shape of card comb and the folding crape shape of filter cylinder adapt.

Further, described nose pad is air sac type structure.

Further, the two ends of described filter cylinder are provided with elastic threads.

Further, the two ends of described filter cylinder or top are provided with the check valve of outwards exhaust.

Further, described check valve is diaphragm type one-way valve.

The present invention adopts the pleated filter cartridge structure of unique multiple folding crape of profile of tooth, and the developed area of folding crape is larger, and after assembling, volume is less, to the better effects if that dusty gas filters.The inside and outside fixed form adopting card comb and spacer bar to combine of filter cylinder, its manufacture craft is better, structure is more firm.

Accompanying drawing explanation

Fig. 1 is perspective view of the present invention.

Fig. 2 is longitudinal sectional view of the present invention.

Fig. 3 is A-A sectional view in Fig. 2.

Fig. 4 is the top view of nose pad.

Fig. 5 is B-B sectional view in Fig. 4.

Fig. 6 is the structural representation of the card comb in the present invention.

In accompanying drawing: 1-filter cylinder, 2-gas channel, 3-nose pad, 4-pore, 5-shrouding, 6-elastic threads, 7-check valve, 8-spacer bar, 9-card comb.

Detailed description of the invention

With reference to the accompanying drawings invention is described in detail, but the present invention is not limited to following embodiment.

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of folder filter, comprises filter cylinder 1, nose pad 3.Described filter cylinder 1 is profile of tooth pleated filter cartridge, and the multiple folding crape made by efficient or sub-efficient, middle effect, thick effect filter paper is formed, and described multiple folding crape is similar to palmette.The inside of filter cylinder 1 is provided with gas channel 2, and the outer surface in the middle part of filter cylinder 1 is provided with nose pad 3.

As shown in Figure 4, Figure 5, nose pad 3 is provided with the pore 4 for breathing, and described pore 4 communicates with the gas channel 2 in filter cylinder 1.Nose pad 3 is sponge or air bag, other soft material, being used for sealing the position of nostril periphery, making to there will not be gas leak phenomenon when filtering between filter cylinder 1 and nostril.The shape that the configuration design one-tenth of nose pad 3 and the nose of human body adapt, so that wear and ensure sealing effectiveness.As prioritization scheme of the present invention, nose pad 3 adopts air sac type structure, makes of film, pellosil, elastic membrane or other material, has adjustable, not easily heating, soft comfortable the advantage of air pressure.

As shown in Figure 2 and Figure 3, the section of filter cylinder 1 is similar to palmette, and the top of section is circular arc, and bottom is radial folding crape, and the center of section is gas channel 2.The folding crape of filter cylinder 1 is no less than 5, and the general 11-15 that adopts is individual.When rolling over the area that comprises of crape and being more than or equal to 2/3rds of whole cross-sectional area, its filter effect and manufacture craft better.Compared with other filter, the developed area of the multiple palmette folding crape of filter cylinder 1 is larger, and after assembling, volume is less, to the better effects if that dusty gas filters.Another advantage adopting filter cylinder 1 is exactly that manufacture craft is good, and production cost is low.

It should be noted that, the structure of above filter cylinder 1, the shape of folding crape, quantity and area are the present invention's preferably schemes, in process of production, the multiple folding crape of filter cylinder 1 also can adopt other similar palm leaf shape, also can change quantity and the accounting area of multiple folding crape.

Outside and the inner side of the multiple folding crape of filter cylinder 1 are provided with 5 spacer bars 8, and the position that the inside of multiple folding crape is corresponding with spacer bar 8 is provided with card comb 9.Article 5, spacer bar 8 is evenly arranged by the length direction of filter cylinder 1, is mainly used to the shape of the multiple folding crape of fixing filter cylinder 1, improves filter cylinder 1 bulk strength.It should be noted that, the quantity of spacer bar 8 can determine according to actual conditions, and this programme adopts 5 spacer bars 8 to be to illustrate conveniently.Spacer bar 8 can be function of glue coating or adhesive tape or other adhesive tape.Certainly, also without spacer bar 8, or the device of other solid shape, raising intensity can be used instead, as the fixing card of plastics etc. when making.

As shown in Fig. 1, Fig. 6, the inside of the folding crape of filter cylinder 1 is provided with card comb 9, and described card comb 9 is hollow structure, and in del, top is circular arc, and both sides, bottom are waveform, and the shape of card comb 9 and the folding crape shape of filter cylinder 1 adapt.Card comb 9 can make by PVC material, and with spacer bar 8 acting in conjunction of filter cylinder 1 outside, the gas channel 2 further in raising filter cylinder 1 bulk strength, reliability, maintenance filter cylinder 1 is indeformable, air-flow is unimpeded.

The two ends of filter cylinder 1 are provided with shrouding 5, and shrouding 5 adopts filter paper or other filtering material to make, with filter cylinder 1 two ends by rubber seal, to inlay or alternate manner is tightly connected, be used for the both ends of the surface of Encapsulated filter cartridge 1.In manufacturing process, shrouding 5 also can not be established in the two ends of filter cylinder 1, and adopts folding, sealing, extruding or alternate manner to block the two ends of filter cylinder 1, and when preventing from filtering, air-flow leaks.

The two ends of filter cylinder 1 are provided with elastic threads 6, hook, installing hole, elastic clip or other wearable device, optimize and adopt elastic threads 6 in this programme because elastic threads 6 have length scalable, wear conveniently, comfortable, low cost and other advantages.The check valve 7 of outwards exhaust can be established in the two ends of filter cylinder 1, and check valve 7 can adopt diaphragm type, plastics, rubber or metal spring type check valve.Check valve of the present invention preferentially adopts diaphragm type one-way valve, as pellosil make check valve, have lightweight, cost is low, be convenient to the advantages such as installation.When making, according to practical situations, also check valve 7 can not be established.

Above embodiment is explanation of the invention, and non-limiting, is more than PART.It should be noted that, concerning the technical staff of the industry, according to the simplification that general principle of the present invention and structure are carried out, conversion, improve and combination, as the profile of the multiple folding crape by changing filter cylinder 1, quantity, accounting area, do not adopt card comb 9, or adopt the nose pad 3 of other shape, the fixture of other type is adopted in filter cylinder 1 outside or inside, or adopt other wearable device, or on basis of the present invention, increase some supports, the findings such as snap ring, or by elastic threads 6, shrouding 5, check valve 7, part such as nose pad 3 grade carries out being out of shape or omitting, or filter paper is changed into the filtering material layer of other thin type, etc., these all should be included within protection scope of the present invention.

Claims (9)

1. folder filter, comprise filter cylinder, nose pad, it is characterized in that: described filter cylinder is profile of tooth pleated filter cartridge, the multiple folding crape made by efficient or sub-efficient, middle effect, thick effect filter paper is formed, the two ends of described filter cylinder are provided with shrouding, and the inside of described filter cylinder is provided with gas channel, and the outer surface in the middle part of described filter cylinder is provided with nose pad, described nose pad is provided with the pore for breathing, and described pore communicates with the gas channel in filter cylinder.

2. folder filter according to claim 1, is characterized in that: the section of described filter cylinder is similar to palmette, the top circular arc of section, and bottom is radial folding crape.

3. folder filter according to claim 2, is characterized in that: the folding crape of described filter cylinder is no less than 5.

4. the folder filter according to any one of claim 1-3, is characterized in that: appearance and the inner side of the folding crape of described filter cylinder are provided with some spacer bars, and the inside of the folding crape of described filter cylinder is provided with card comb.

5. folder filter according to claim 4, is characterized in that: described card comb is hollow structure, and in del, top is circular arc, and both sides, bottom are waveform, and the shape of card comb and the folding crape shape of filter cylinder adapt.

6. folder filter according to claim 1, is characterized in that: described nose pad is air sac type structure.

7. folder filter according to claim 1, is characterized in that: the two ends of described filter cylinder are provided with elastic threads.

8. folder filter according to claim 1, is characterized in that: the two ends of described filter cylinder or top are provided with the check valve of outwards exhaust.

9. folder filter according to claim 1, is characterized in that: described check valve is diaphragm type one-way valve.