CN211747157U

CN211747157U - Integral type gauze mask of interchangeable filter core

Info

Publication number: CN211747157U
Application number: CN202020208965.0U
Authority: CN
Inventors: 蔡逸纯
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-10-27
Anticipated expiration: 2030-02-25

Abstract

The utility model provides an integral type gauze mask of interchangeable filter core, includes gauze mask main part, filter core, retainer plate and fixed knot construct, fixed knot construct and set up in the place ahead of gauze mask main part, gauze mask main part and filter core pass through fixed knot structure sealing connection, the retainer plate cover is on fixed knot constructs. When the utility model is replaced, only the filter element needs to be replaced, and the mask main body can be recycled, so that the consumption speed of the mask raw materials is slowed down to a certain extent; because the mask main body is connected with the filter element in a sealing way through the fixing structure, air leakage is not easy to generate, and all inhaled or exhaled air can be exhausted only through the filtration of the filter element cloth, so that the effect of the mask is better.

Description

Integral type gauze mask of interchangeable filter core

Technical Field

The utility model relates to an integral type gauze mask, especially an integral type gauze mask of interchangeable filter core belongs to the protective articles field.

Background

The disposable mask is a disposable mask which mainly filters harmful substances such as dust and germs in the air and prevents the harmful substances from being inhaled by a user of the mask. The existing common disposable mask comprises a mask main body consisting of non-woven fabrics and melt-blown fabrics, and due to the influence of epidemic situations, the consumption speed of the disposable mask is high, so that the production speed of the mask cannot keep up with the consumption speed, and meanwhile, because the disposable mask has the characteristic of non-reusability, the problem of shortage of mask production raw materials is also caused by uninterrupted production and manufacturing; in addition, the problem that the sealing structure of the mask with the replaceable filter element on the market is not complete is generally existed, so that some inhaled or exhaled gas is not filtered, and the effect of the mask is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art, the utility model provides an integral type gauze mask of interchangeable filter core.

In order to achieve the above object, the utility model adopts the following technical scheme: an integrated mask with a replaceable filter element comprises a mask main body, the filter element, a fixing ring and a fixing structure, wherein the fixing structure is arranged in front of the mask main body, the mask main body and the filter element are connected in a sealing mode through the fixing structure, and the fixing ring is sleeved on the fixing structure; the fixed structure comprises a retainer ring and a fixed ring, the retainer ring is arranged in front of the mask main body, the rear end of the fixed ring is fixedly connected with the retainer ring, and the fixed ring is sleeved on the fixed ring; the filter core include filter core cloth, procapsid and back casing, all be equipped with the bleeder vent on procapsid and the back casing, the procapsid insert in the back casing, the sealed setting of filter core cloth is in the front between casing and the back casing, back casing laminates with retaining ring and solid fixed ring's inner wall respectively, the procapsid laminates with solid fixed ring's front end.

Preferably, the mask body and the fixing structure are integrally formed.

Preferably, still include many gears lacing wire, many gears lacing wire be connected with the left and right sides of gauze mask main part respectively.

Preferably, the multi-gear sling, the mask body and the fixing structure are integrally formed.

Preferably, the mask main body is a soft plastic mask main body, and the fixing structure is a soft plastic fixing structure.

Preferably, the soft plastic mask main body is a medical grade PET mask main body, and the soft plastic fixing structure is a medical grade PET fixing structure.

Preferably, the front shell and the rear shell are both ABS shells.

Preferably, the fixed ring is an ABS fixed ring.

Preferably, the front end of procapsid and the rear end of back casing all are equipped with the arch, the protruding and the solid fixed ring's of procapsid front end laminating, the protruding and the inner wall laminating of retaining ring of back casing, the outer wall of back casing and the solid fixed ring's of fixed wall laminating.

Preferably, the inner side of the front shell is provided with a limiting clamping block, and the filter element cloth is arranged between the limiting clamping block and the rear shell in a sealing mode.

Preferably, the filter element cloth, the front shell and the rear shell are welded into a whole through ultrasonic waves.

Preferably, the filter element cloth is a medical three-layer mask filter element cloth, the inner layer and the outer layer of the filter element cloth are non-woven fabrics, and the middle layer of the filter element cloth is melt-blown cloth.

When the utility model is replaced, only the filter element needs to be replaced, and the mask main body can be recycled, so that the consumption speed of the mask raw materials is slowed down to a certain extent; because the mask main body is hermetically connected with the filter element through the fixing structure, air leakage is not easy to generate, and all inhaled or exhaled air can be exhausted only by being filtered by the filter element cloth, so that the mask has better effect; because be a whole through ultrasonic bonding between filter core cloth, procapsid and the back casing, consequently whole filter core is more stable, and sealed effect is better. In addition, the user can select hanging ropes with different gears according to the size of the face, so that the mask can be always attached to the face.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a working principle diagram of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is an assembly diagram of the present invention.

Fig. 5 is a schematic view of the structure of the mask body.

Fig. 6 is a schematic structural view of the front case.

Fig. 7 is a structural schematic view of the rear case.

In the figure, 1-mask body; 2-a fixed ring; 3-filter element cloth; 4-a front housing; 5-a rear shell; 6-hanging a rope at multiple gears; 7-a retainer ring; 8-fixing the ring; 9-bulge; 10-limiting clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-7: an integrated mask with a replaceable filter element comprises a mask body 1, a filter element, a fixing ring 2, a fixing structure and a multi-gear hanging rope 6, wherein the mask body 1, the multi-gear hanging rope 6 and the fixing structure are integrally formed, the mask body 1 is a medical-grade PET (polyethylene terephthalate) mask body made of soft plastic, the thickness of the mask body is 1.2mm, and the fixing structure is a medical-grade PET fixing structure made of soft plastic, so that the mask is safe to use, the mask can be better attached to the face through deformation of the soft plastic material, meanwhile, the installation and the disassembly of the filter element are facilitated, and the fixing ring 2 is an ABS (acrylonitrile butadiene styrene) fixing ring; fixed knot structure set up in the place ahead of gauze mask main part 1, gauze mask main part 1 and filter core pass through fixed knot structure sealing connection, retainer plate 2 cover is on fixed knot constructs. Fixed knot construct including retaining ring 7 and solid fixed ring 8, retaining ring 7 sets up in the place ahead of gauze mask main part 1, solid fixed ring 8's rear end and retaining ring 7 fixed connection, solid fixed ring 8 cover on solid fixed ring 8. The filter element comprises filter element cloth 3, a front shell 4 and a rear shell 5, wherein the filter element cloth 3 is medical three-layer mask filter element cloth, the inner layer and the outer layer of the filter element cloth are made of non-woven fabrics, the middle layer is melt-blown cloth, and the front shell 4 and the rear shell 5 are both ABS shells; air holes are formed in the front shell 4 and the rear shell 5, bulges 9 are formed in the front end of the front shell 4 and the rear end of the rear shell 5, and a limiting clamping block 10 is arranged on the inner side of the front shell; the utility model discloses a filter cartridge, including procapsid 4, procapsid 4 and back casing 5, procapsid 4 insert in the casing 5, filter core cloth 3 is sealed to be set up between spacing clamp block and back casing 5, through ultrasonic bonding between filter core cloth 3, procapsid 4 and the back casing 5, this technique is prior art, and its effect is in order to improve the leakproofness between filter core cloth 3, procapsid 4 and the back casing 5. The protruding 9 of back casing 5 and the inner wall laminating of retaining ring 7, the outer wall of back casing 5 and the inner wall laminating of solid fixed ring 8, the protruding 9 of procapsid 4 and the front end laminating of solid fixed ring 8. The multi-gear hanging rope 6 is respectively connected with the left side and the right side of the mask main body 1, and a user can select hanging ropes with different gears according to the requirements.

When the mask is installed, the filter element is pushed forwards from the rear part (the part with a larger opening) of a breathing opening of the mask main body, when the filter element is pushed to the breathing opening, the filter element is pushed forwards with force, so that the outer wall of the rear shell is attached to the inner wall of the fixing ring, the bulge of the rear shell is attached to the inner wall of the retaining ring, the front shell can be pushed to the front end of the breathing opening and clamped (the mask main body, the retaining ring and the fixing ring are made of soft plastics, so that the extrusion deformation can be realized), and at the moment, the fixing ring is sleeved on the fixing ring to; during the use, the user wears this gauze mask on the face to select for use the string rope of different gears (can get rid of unnecessary string rope, avoid wearing the discomfort) according to the face size of oneself, guarantee that the gauze mask can paste tight face.

The filtration principle of removable filter core: air enters the filter element from the front hole of the front shell, is filtered by the filter element cloth and is discharged from the hole of the rear shell; if part of the air enters the filter element through the gap between the front shell and the fixing ring, the air can still be discharged through the filtering of the filter element because the filter element cloth is arranged between the front shell and the rear shell in a sealing way (the air flow direction is shown by an arrow in figure 2).

Claims

1. The utility model provides an integral type gauze mask of interchangeable filter core which characterized in that: the mask comprises a mask body, a filter element, a fixing ring and a fixing structure, wherein the fixing structure is arranged in front of the mask body, the mask body and the filter element are hermetically connected through the fixing structure, and the fixing ring is sleeved on the fixing structure; the fixed structure comprises a retainer ring and a fixed ring, the retainer ring is arranged in front of the mask main body, the rear end of the fixed ring is fixedly connected with the retainer ring, and the fixed ring is sleeved on the fixed ring; the filter core include filter core cloth, procapsid and back casing, all be equipped with the bleeder vent on procapsid and the back casing, the procapsid insert in the back casing, the sealed setting of filter core cloth is in the front between casing and the back casing, back casing laminates with retaining ring and solid fixed ring's inner wall respectively, the procapsid laminates with solid fixed ring's front end.

2. The integrated mask with the replaceable filter element as claimed in claim 1, wherein: the mask main body and the fixing structure are integrally formed.

3. The integrated mask with the replaceable filter element as claimed in claim 1, wherein: the mask is characterized by further comprising a multi-gear hanging rope, wherein the multi-gear hanging rope is connected with the left side and the right side of the mask main body respectively.

4. The integrated mask with the replaceable filter element as claimed in claim 3, wherein: the multi-gear hanging rope, the mask main body and the fixing structure are integrally formed.

5. The integrated mask with the replaceable filter element as claimed in claim 1, wherein: the mask main body is a soft plastic mask main body, and the fixing structure is a soft plastic fixing structure.

6. The integrated mask with the replaceable filter element as claimed in claim 1, wherein: the front shell and the rear shell are both ABS shells, and the fixing ring is an ABS fixing ring.

7. The integrated mask with the replaceable filter element as claimed in claim 1, wherein: the front end of procapsid and the rear end of back casing all are equipped with the arch, the protruding and the solid fixed ring's of procapsid front end laminating, the protruding and the inner wall laminating of retaining ring of back casing, the outer wall of back casing and the solid fixed ring's of back inner wall laminating.

8. The integrated mask with the replaceable filter element as claimed in claim 1, wherein: the filter element cloth is arranged between the limiting clamping block and the rear shell in a sealing mode.

9. The integrated mask with the replaceable filter element as claimed in claim 1, wherein: the filter element cloth, the front shell and the rear shell are welded into a whole through ultrasonic waves.

10. The integrated mask with the replaceable filter element as claimed in claim 1, wherein: the filter core cloth is a medical three-layer mask filter core cloth, the inner layer and the outer layer of the filter core cloth are non-woven fabrics, and the middle layer is melt-blown cloth.