CN212522753U - Protective mask with replaceable filter element - Google Patents
Protective mask with replaceable filter element Download PDFInfo
- Publication number
- CN212522753U CN212522753U CN202020273156.8U CN202020273156U CN212522753U CN 212522753 U CN212522753 U CN 212522753U CN 202020273156 U CN202020273156 U CN 202020273156U CN 212522753 U CN212522753 U CN 212522753U
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- shell
- heart
- mask
- filter element
- casing
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Abstract
The utility model discloses a protective mask with a replaceable filter element, which comprises a first shell, second casing and respirator, the right flank border of first casing is fixed with the round frame, a breach has been seted up on the frame, the leading flank and the trailing flank symmetry of frame are equipped with a fixed block, a fixed band mounting hole has been seted up on every fixed block, install the gauze mask fixed band between two fixed band mounting holes, adjacent interval has been seted up a plurality of center coincidence and the unequal heart-shaped groove of surface area on the right flank of first casing, evenly seted up a plurality of on the cell wall in every heart-shaped groove and filtered the hole, the second casing corresponds the setting with first casing along controlling the direction and is equipped with the filter core subassembly between second casing and the first casing, be equipped with the support column that a plurality of is used for fixed filter core subassembly on the second casing left side, filter core subassembly fixed mounting is on a plurality of support column. The utility model has the advantages of resource saving, convenient use, good filtering performance, good sealing performance and the like.
Description
Technical Field
The utility model discloses medical equipment technical field, concretely relates to removable filter core formula protective facial mask.
Background
Along with the increase of economy, the living standard of people is greatly improved, a large number of environmental problems are brought while the economy is developed, air pollution is brought to the first place, and the emission of various industrial production and automobile exhaust has great influence on the respiratory health of people; in the development process of human civilization, a great deal of disasters, such as black and dead, Ebola virus, atypical pneumonia, influenza A H1N1, new coronary pneumonia and other disease viruses, can happen, great danger is brought to the life health of people, the wearing of the mask is one of effective methods for isolating viruses and air pollution, but the existing mask has the problems of poor filtering performance and poor sealing performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a removable filter core formula protective facial mask that sealing performance is good, filtering quality is good.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the replaceable filter element type protective mask comprises a first shell, a second shell and a breathing mask, wherein a circle of frame is fixed on the edge of the right side face of the first shell, a notch is formed in the frame, a fixing block is symmetrically arranged on the front side face and the rear side face of the frame, a fixing band mounting hole is formed in each fixing block, a mask fixing band is arranged between the two fixing band mounting holes, a plurality of heart-shaped grooves with overlapped centers and unequal surface areas are formed in the right side face of the first shell at intervals, the surface area of the heart-shaped groove close to the center of the first shell in any two adjacent heart-shaped grooves is smaller than that of the heart-shaped groove far away from the center of the first shell, a plurality of filter holes are uniformly formed in the groove wall of each heart-shaped groove, the second shell and the first shell are correspondingly arranged in the left-right direction, a filter element assembly is arranged between the second shell and the first shell, a plurality of support columns for fixing, the filter element assembly is fixedly installed on the support columns, a first sealing ring in a heart shape is arranged on the left side face of the second shell, the first sealing ring is matched with a heart-shaped groove with the largest surface area on the right side face of the first shell, the first sealing ring is inserted into the heart-shaped groove with the largest surface area on the right side face of the first shell, a bulge is arranged at the edge of the second shell, the bulge is matched with the notch, a first air passing hole is formed in the second shell, the right side of the second shell is connected to the breathing mask in a buckling mode, a breathing hole is formed in the right side of the breathing mask, a second air passing hole is formed in the left side face of the breathing mask, the first air passing hole is communicated with the second air passing hole, and the breathing hole is communicated with the.
Preferably, the filter element assembly comprises a first filter layer, a second filter layer, a third filter layer and a fourth filter layer which are fixedly arranged next to each other from left to right.
Preferably, the first filter layer and the fourth filter layer are both nonwoven fabric layers.
Preferably, the second filter layer is a nanofiber filter layer.
Preferably, the third filter layer is a hot air cotton layer.
Preferably, the filtering holes, the first air passing holes and the second air passing holes are all heart-shaped.
Preferably, the breathing mask is made of a silicone material.
Preferably, a heart-shaped second sealing ring is arranged on the left side surface of the breathing mask along the edge of the second air passing hole.
Preferably, a plurality of convex sections are arranged at intervals on the end parts of the two ends of the mask fixing band.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
(1) the utility model discloses a be equipped with the filter element subassembly between second casing and the first casing, the filter element subassembly includes from left to right side adjacent fixed first filter layer, second filter layer, third filter layer and the fourth filter layer that sets up in proper order, wherein, first filter layer and fourth filter layer are the non-woven fabrics layer, the second filter layer is nanofiber filter membrane layer, the third filter layer is hot-blast cotton layer, when using, through the filtration of first filter layer, second filter layer, third filter layer and fourth filter layer, can filter microorganisms such as virus, bacterium and granular pollutant in the air etc. improve the air quality that the human body inhales, ensure to use the utility model discloses personnel's health, filtering quality is good;
(2) the utility model discloses be equipped with the first sealing washer that is heart-shaped on the left surface of second casing, first sealing washer and the biggest heart-shaped groove looks adaptation of first casing right side surface upper surface area, and first sealing washer is inserted and is established in the biggest heart-shaped inslot of first casing right side surface upper surface area, the edge along the second air passing hole on the left surface of respirator is equipped with the second sealing washer that is heart-shaped, the setting of first sealing washer and second sealing washer, sealing performance when having ensured the utility model discloses the sealing performance when using prevents to leak gas from between first casing and the second casing, between second casing and the respirator, and microorganism such as virus, bacterium and granular pollutant in the air are called in the human body from the gap, injure the utility model discloses the health of user, sealing performance is good;
(3) the utility model is provided with the filter element assembly, a notch is arranged on the frame, the edge of the second shell is provided with a bulge, the bulge is matched with the notch, when in use, the bulge can be utilized to conveniently separate the first shell from the second shell and timely replace the filter element assembly, the replacement is convenient, and the utility model can be used for a plurality of times, thereby saving resources and avoiding waste;
(4) the breathing mask of the utility model is made of silica gel material, the breathing mask made of silica gel material has good sealing performance, and the breathing mask made of silica gel material can be cleaned and disinfected, thus being convenient for multiple use;
(5) the end parts at the two ends of the mask fixing band of the utility model are provided with a plurality of convex knots at intervals, when in use, the mask fixing band can be pulled, and the length of the mask fixing band can be adjusted by utilizing the convex knots on the mask fixing band, thus being convenient for use;
to sum up, the utility model has the advantages of save the resource, convenient to use, filtering capability is good, sealing performance is good.
Drawings
Fig. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the structure of the second housing in one direction;
FIG. 3 is a schematic view of the structure of the first housing in one direction;
fig. 4 is a schematic view of the structure of the breathing mask in one orientation.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1-4, the utility model discloses a replaceable filter element type protective mask, which comprises a first shell 1, a second shell 2 and a breathing mask 3, wherein a circle of frame 4 is fixed at the edge of the right side surface of the first shell 1, a gap 5 is arranged on the frame 4, a fixed block 6 is symmetrically arranged on the front side surface and the back side surface of the frame 4, a fixed band mounting hole is arranged on each fixed block 6, a mask fixed band 7 is arranged between the two fixed band mounting holes, a plurality of heart-shaped grooves 8 with overlapped centers and unequal surface areas are arranged on the right side surface of the first shell 1 at intervals, the heart-shaped grooves 8 are arranged to prevent the filter element assembly from being tightly attached to the right side surface of the first shell 1 to cause unsmooth gas circulation, water vapor evaporation is slow, the surface area of the heart-shaped groove 8 close to the center of the first shell 1 in any two adjacent heart-shaped grooves 8 is smaller than the surface area of the heart-shaped groove 8, a plurality of filtering holes 9 are uniformly arranged on the wall of each heart-shaped groove 8, a second shell 2 and a first shell 1 are correspondingly arranged along the left-right direction, a filtering core component is arranged between the second shell 2 and the first shell 1, a plurality of supporting columns 10 for fixing the filtering core component are arranged on the left side surface of the second shell 2, the filtering core component is fixedly arranged on the plurality of supporting columns 10, a heart-shaped first sealing ring 11 is arranged on the left side surface of the second shell 2, the first sealing ring 11 is matched with the heart-shaped groove 8 with the largest surface area on the right side surface of the first shell 1, the first sealing ring 11 is inserted in the heart-shaped groove 8 with the largest surface area on the right side surface of the first shell 1, when in use, the first sealing ring 11 can tightly press the filtering core component to prevent the filtering core component from moving and influence the filtering, a bulge 12 is arranged on the edge of the second shell 2, and the bulge 12 is matched with a gap, the second shell 2 is provided with a first air passing hole 13, the right side of the second shell 2 is connected to the breathing mask 3 in a buckling mode, the right side of the breathing mask 3 is provided with a breathing hole 17, the left side face of the breathing mask 3 is provided with a second air passing hole 14, the first air passing hole 13 is communicated with the second air passing hole 14, and the breathing hole 17 is communicated with the second air passing hole 14.
The filter element assembly comprises a first filter layer, a second filter layer, a third filter layer and a fourth filter layer which are sequentially and fixedly arranged from left to right, and the problems that air resistance is filtered by the mask in the prior art, viruses and the like cannot be filtered and the like are solved by the arrangement of the first filter layer, the second filter layer, the third filter layer and the fourth filter layer.
The first filter layer and the fourth filter layer are both non-woven fabric layers.
The second filter layer is a nanofiber filter membrane layer, the diameter of a filtration hole 9 of the nanofiber filter membrane layer is 0.3 microns at the minimum, the protection standard reaches the standard specified by national medical protective masks GB19083-2010, medical shell masks YY0469-2011 and disposable medical masks YY/T0969-2013, and microorganisms such as viruses and bacteria and granular pollutants in the air can be fully and effectively filtered.
The third filter layer is a hot air cotton layer.
The filtering holes 9, the first air passing holes 13 and the second air passing holes 14 are all heart-shaped.
Respirator 3 is made by the silica gel material, and respirator 3 that the silica gel material was made has improved sealing performance, is convenient for clean the cleanness when using, is favorable to keeping the gauze mask health for a long time, prolongs the utility model discloses a life.
The border of crossing gas pocket 14 along the second on respirator 3's the left surface is equipped with the second sealing washer 15 that is heart-shaped, and setting up of second sealing washer 15 can prevent to leak gas between respirator 3 and the second casing 2, has solved the not good problem of gauze mask side sealing performance when using that exists among the prior art.
The tip at the both ends of gauze mask fixed band 7 is gone up the interval and is equipped with a plurality of bulge 16, and the length of gauze mask fixed band 7 is convenient for adjust, convenient to use in the setting of bulge 16.
The utility model discloses a concrete use as follows:
when the utility model is used, the breathing hole 17 of the breathing mask 3 of the utility model is aligned with the mouth and nose of the user of the utility model, then the mouth mask fixing band 7 is pulled to cover the mouth mask fixing band 7 on the head of the user of the utility model, and the convex sections 16 on the end parts of the two ends of the mouth mask fixing band 7 are utilized to adjust the tightness of the mouth mask fixing band 7, then the utility model is normally used, the outside air enters between the first shell 1 and the second shell 2 through the filtering hole 9 on the first shell 1, the air is filtered by the first filtering layer, namely the non-woven fabric layer, to reach the second filtering layer, namely the nano-fiber filtering layer, to reach the third filtering layer, namely the hot air cotton layer, finally, the air is fully filtered by the fourth filtering layer, namely the non-woven fabric layer, to filter the microorganisms such as virus and bacteria and the granular pollutants in the air, and the healthy air reaches the breathing hole 17 through the first air, then reaches the mouth and nose of the user, the gas exhaled by the user of the utility model enters the second air passing hole 14 through the breathing hole 17, then enters the first air passing hole 13, passes through the fourth filter layer, the third filter layer, the second filter layer and the first filter layer, and is discharged out of the utility model through the filter hole 9;
the utility model discloses use after a period, take off the utility model discloses, press the utility model discloses arch 12 on the second casing 2, then with first casing 1 and 2 phase separations of second casing, utilize tweezers etc. will the utility model discloses interior filter core subassembly takes out and destroys, then installs more renew filter core subassembly in first casing 1 and second casing 2, and with respirator 3 and 2 phase separations of second casing, then cleans the disinfection cleanness to respirator 3 made by silica gel material to be prepared for reuse, clean the back that finishes, connects the right side buckle of second casing 2 on respirator 3 once more, the utility model discloses prepare for, can reuse.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (9)
1. Removable filter core formula protective facial mask, its characterized in that: comprises a first shell, a second shell and a breathing mask, wherein a circle of frame is fixed on the edge of the right side surface of the first shell, a notch is arranged on the frame, a fixed block is symmetrically arranged on the front side surface and the back side surface of the frame, a fixed band mounting hole is arranged on each fixed block, a mask fixed band is arranged between the two fixed band mounting holes, a plurality of heart-shaped grooves with overlapped centers and unequal surface areas are adjacently arranged on the right side surface of the first shell at intervals, the surface area of the heart-shaped groove close to the center of the first shell in any two adjacent heart-shaped grooves is smaller than that of the heart-shaped groove far away from the center of the first shell, a plurality of filtering holes are uniformly arranged on the groove wall of each heart-shaped groove, the second shell and the first shell are correspondingly arranged along the left-right direction, a filtering core component is arranged between the second shell and the first shell, a plurality of supporting columns for, the filter element assembly is fixedly installed on the support columns, a first sealing ring in a heart shape is arranged on the left side face of the second shell, the first sealing ring is matched with a heart-shaped groove with the largest surface area on the right side face of the first shell, the first sealing ring is inserted into the heart-shaped groove with the largest surface area on the right side face of the first shell, a bulge is arranged at the edge of the second shell, the bulge is matched with the notch, a first air passing hole is formed in the second shell, the right side of the second shell is connected to the breathing mask in a buckling mode, a breathing hole is formed in the right side of the breathing mask, a second air passing hole is formed in the left side face of the breathing mask, the first air passing hole is communicated with the second air passing hole, and the breathing hole is communicated with the.
2. The replaceable filter element protective mask of claim 1, wherein: the filter element assembly comprises a first filter layer, a second filter layer, a third filter layer and a fourth filter layer which are sequentially and fixedly arranged from left to right.
3. The replaceable filter element protective mask of claim 2, wherein: the first filter layer and the fourth filter layer are both non-woven fabric layers.
4. The replaceable filter element protective mask of claim 2, wherein: the second filter layer is a nanofiber filter membrane layer.
5. The replaceable filter element protective mask of claim 2, wherein: the third filter layer is a hot air cotton layer.
6. The replaceable filter element protective mask of claim 1, wherein: the filtering holes, the first air passing holes and the second air passing holes are all heart-shaped.
7. The replaceable filter element protective mask of claim 1, wherein: the breathing mask is made of a silica gel material.
8. The replaceable filter element protective mask of claim 1, wherein: and a heart-shaped second sealing ring is arranged on the left side surface of the breathing mask along the edge of the second air passing hole.
9. The replaceable filter element protective mask of claim 1, wherein: the end parts at the two ends of the mask fixing band are provided with a plurality of convex sections at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273156.8U CN212522753U (en) | 2020-03-06 | 2020-03-06 | Protective mask with replaceable filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273156.8U CN212522753U (en) | 2020-03-06 | 2020-03-06 | Protective mask with replaceable filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212522753U true CN212522753U (en) | 2021-02-12 |
Family
ID=74526403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020273156.8U Expired - Fee Related CN212522753U (en) | 2020-03-06 | 2020-03-06 | Protective mask with replaceable filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212522753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150946A (en) * | 2020-03-06 | 2020-05-15 | 东莞市嘉木仕电子有限公司 | Protective mask with replaceable filter element |
-
2020
- 2020-03-06 CN CN202020273156.8U patent/CN212522753U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150946A (en) * | 2020-03-06 | 2020-05-15 | 东莞市嘉木仕电子有限公司 | Protective mask with replaceable filter element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |