CN214071868U - Mask filter element and mask - Google Patents
Mask filter element and mask Download PDFInfo
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- CN214071868U CN214071868U CN202022381178.9U CN202022381178U CN214071868U CN 214071868 U CN214071868 U CN 214071868U CN 202022381178 U CN202022381178 U CN 202022381178U CN 214071868 U CN214071868 U CN 214071868U
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- mask filter
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Abstract
The utility model provides a gauze mask filter element and gauze mask, its characterized in that: the gauze mask filter is the arch, and gauze mask filter middle part is equipped with the through-hole, the structural breach that has in plane after the gauze mask filter expandes, the breach both sides make through pasting or making up fixed connection gauze mask filter surface becomes the arch, and the gauze mask filter of this application installs into the gauze mask body after the gauze mask cover body with the laminating of gauze mask body, can not take place the fold, has better filter effect.
Description
Technical Field
The utility model relates to an air purification filters technical field, specifically is a gauze mask filter element and gauze mask.
Background
Nowadays, with the increase of the types of respiratory infectious diseases harmful to human health, the infectivity is enhanced, which causes great influence on the life, work and physical health of people, prevents the spread of infectious diseases, and needs to cut off the spread of respiratory infectious diseases in time, such as hand washing and carrying a mask, besides enhancing the autoimmunity.
At present, the masks are various in types, but the internal filter disc structure is of a plane structure when the masks are sold in a factory, wrinkles appear more when the masks are installed in the mask body, the masks cannot be attached to the mask body, and the filtering effect is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gauze mask filter element, gauze mask filter element are the arch, and gauze mask filter element middle part is equipped with the through-hole, has a breach on the planar structure after gauze mask filter element expandes, and the breach both sides make through pasting or making up fixed connection gauze mask filter element becomes the arch.
Preferably, the notch is V-shaped, the opening of the V-shaped notch faces outwards, and the bottom of the V-shaped notch is not closed.
Preferably, the mask filter sheet is sequentially divided into a non-woven fabric layer, an activated carbon layer, a melt-blown fabric layer and a non-woven fabric layer from outside to inside, and each layer of the mask filter sheet is integrally formed.
Preferably, the meltblown fabric layer is a two-layer structure.
Preferably, when viewed from the vertical direction of the tangent plane of the highest point of the arched surface of the mask filter, the upper half part of the mask filter is an isosceles obtuse triangle with a downward extending bottom edge, the top angle of the isosceles obtuse triangle is a smooth arc angle, the bottom angle of the isosceles obtuse triangle is an elongated arc angle, and the lower half part of the isosceles obtuse triangle is a sector.
The utility model also provides a gauze mask with above-mentioned gauze mask filter, including gauze mask body and gauze mask area, the gauze mask body includes shell, above-mentioned gauze mask filter and drain pan, and the gauze mask filter sets up between shell and drain pan, and the shell suits with the whole appearance of drain pan and gauze mask filter appearance, still is equipped with one-way air outlet valve between shell and the drain pan, and one-way air outlet valve passes gauze mask filter middle part through-hole, and the shell both sides are equipped with the through wires hole, and the gauze mask area is fixed on the shell through the through wires hole, still is equipped with the air vent on the shell, and the shell inboard still is equipped with the strengthening rib.
Preferably, the bottom shell outer ring is provided with a rubber pressing portion, the rubber pressing portion and the bottom shell outer ring are integrally formed, the rubber pressing portion is provided with a clamping edge which is turned outwards, and the shell is clamped in the clamping edge.
Preferably, the bottom case surface is formed in a lattice-like net shape.
Preferably, the one-way air outlet valve comprises a valve shell and a valve plate which are arranged on the upper portion of the center of the bottom shell, and a valve seat which is arranged on the center portion of the inner side of the shell, the valve shell is cylindrical, a positioning mounting column is arranged at the bottom of the center of the cylinder, a positioning mounting hole is formed in the center of the valve plate, the valve plate is mounted on the positioning mounting column through the positioning mounting hole, and when the bottom shell is clamped with the shell, the valve shell is in contact with the valve seat.
Preferably, the cylindrical valve housing height is greater than the facemask filter thickness.
The utility model has the advantages that:
the design of the arched mask filter piece can not cause wrinkles after being arranged in the mask body, so that the filter piece is more attached to the mask body, and a better filtering effect is achieved.
Drawings
Fig. 1 is a schematic view of a mask filter according to the present invention, viewed in a direction perpendicular to a cross-section of the highest point of the arched surface of the mask filter;
FIG. 2 is a schematic view of an arch configuration of a mask filter of the present invention;
FIG. 3 is a plan view of the mask filter according to the present invention;
fig. 4 is a schematic view of the mask structure of the present invention;
fig. 5 is a schematic view of the inner side structure of the mask shell of the present invention
Fig. 6 is a schematic structural view of the mask body of the present invention;
fig. 7 is a schematic view of the bottom shell structure of the mask of the present invention;
FIG. 8 is a schematic view of the structure of the one-way outlet valve of the mask of the present invention;
FIG. 9 is a schematic view of the one-way outlet valve of the mask of the present invention;
wherein: 1-mask filter sheet, 101-through hole, 102-top corner arc angle, 103-bottom corner arc angle, 104-sector, 105-sewing edge, 106-V-shaped notch, 2-mask body, 201-shell, 2011-vent hole, 2012-threading hole, 2013-reinforcing rib, 202-bottom shell, 2021-rubber pressing part, 2022-grid-shaped net, 3-mask belt, 401-valve shell, 402-positioning mounting column, 403-valve plate and 404-valve seat.
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.
The embodiment of the utility model provides a mask filter, as shown in fig. 1-3, mask filter 1 is the arch, and mask filter 1 middle part is equipped with through-hole 101, has a breach on the planar structure after mask filter 1 expandes, and the breach both sides make mask filter 1 become the arch through bonding or making up fixed connection, and the connected mode as in fig. 1 has one and sews up limit 105 for sewing up.
The notch may be V-shaped, with the opening of the V-shaped notch 106 facing outward and the bottom of the V-shaped notch 106 not being closed.
The mask filter sheet 1 is sequentially divided into a non-woven fabric layer, an activated carbon layer, a melt-blown fabric layer and a non-woven fabric layer from outside to inside, and each layer structure of the mask filter sheet 1 is integrally formed, and the melt-blown fabric layer can be of a double-layer structure.
The upper half part of the mask filter 1 is an isosceles obtuse triangle with a downward extending bottom edge when viewed towards the vertical direction of a tangent plane of the highest point of the arched surface of the mask filter 1, the vertex angle of the isosceles obtuse triangle is a smooth arc angle, the bottom angle of the isosceles obtuse triangle is an elongated arc angle, and the lower half part of the mask filter 1 is a sector, so that the structure of the vertex angle 102 of the isosceles obtuse triangle can cover the nasal cavity of the face of a human body, the structure of the arc angle 103 of the bottom angle can cover the face of the human body when viewed from the figure, the structure of the sector 104 of the bottom half part can cover the mouth and the lower jaw of the human body, and the shape is more matched with the mask body.
As shown in fig. 4-7, the embodiment of the utility model provides a gauze mask with above-mentioned gauze mask filter 1 is still provided, including gauze mask body 2 and gauze mask area 3, gauze mask body 2 includes shell 201, above-mentioned gauze mask filter 1 and drain pan 202, gauze mask filter 1 sets up between shell 201 and drain pan 202, shell 201 suits with the whole appearance of drain pan 202 and gauze mask filter 1 appearance, similar with the spatial structure and the planar structure of gauze mask filter 1 promptly, more laminate in human face, still be equipped with one-way air outlet valve between shell 201 and the drain pan 202, one-way air outlet valve passes gauze mask filter 1 middle part through-hole 101, shell 201 both sides are equipped with through wires hole 2012, gauze mask area 3 passes through wires hole 2012 and fixes on shell 201, still be equipped with air vent 2011 on the shell 201, shell 201 inboard still is equipped with strengthening rib 2013.
The outer ring of the bottom shell 202 is provided with a rubber pressing portion 2021 for fitting the face of a human body, the rubber pressing portion 2021 is integrally formed with the outer ring of the bottom shell 202, the rubber pressing portion 2021 is provided with a clamping edge which is turned outwards, and the shell 201 is clamped in the clamping edge.
The surface of the bottom case 202 is formed into a grid-shaped net 2022, where the grid-shaped net 2022 is a net structure with large gaps, which is more favorable for ventilation.
As shown in fig. 5, 8 and 9, the one-way air outlet valve includes a valve housing 401 and a valve plate 403 disposed at the upper portion of the center of the bottom case 202, and a valve seat 404 disposed at the center of the inner side of the outer case 201, the valve housing 401 is cylindrical, a positioning mounting post 402 is disposed at the bottom of the center of the cylinder, a positioning mounting hole is disposed at the center of the valve plate 403, the valve plate 403 is mounted on the positioning mounting post 402 through the positioning mounting hole, and when the bottom case 202 is engaged with the outer case 201, the valve housing 401 contacts with the valve seat 404.
The height of the cylindrical valve housing 401 is greater than the thickness of the mask filter 1, so that the arch structure of the mask filter 1 itself is not pressed after the housing 201 and the bottom case 202 are assembled, and the mask filter 1 is always kept in an arch-shaped using state.
The mask belt 3 is also provided with an elasticity adjusting buckle for adjusting the elasticity.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A mask filter, comprising: the mask filter is arched, a through hole is formed in the middle of the mask filter, a notch is formed in the plane structure of the unfolded mask filter, and the two sides of the notch are fixedly connected through bonding or sewing to enable the mask filter to be arched.
2. The respirator filter of claim 1, wherein: the notch is V-shaped, the opening of the V-shaped notch faces outwards, and the bottom of the V-shaped notch is not closed.
3. The respirator filter of claim 1, wherein: the mask filter sheet is sequentially divided into a non-woven fabric layer, an activated carbon layer, a melt-blown fabric layer and a non-woven fabric layer from outside to inside, and each layer of the mask filter sheet is integrally formed.
4. The mask filter of claim 3 wherein: the melt-blown cloth layer is of a double-layer structure.
5. The respirator filter of claim 1, wherein: when the mask filter is seen from the vertical direction of the tangent plane of the highest point of the arch of the mask filter, the upper half part of the mask filter is an isosceles obtuse triangle with the bottom edge extending downwards, the vertex angle is a smooth arc angle, the bottom angle is an elongated arc angle, and the lower half part of the mask filter is a sector.
6. The utility model provides a mask, includes mask body and mask area, its characterized in that: the mask body comprises a shell, a mask filter element and a bottom shell as claimed in any one of claims 1 to 5, the mask filter element is arranged between the shell and the bottom shell, the overall appearance of the shell and the bottom shell is matched with that of the mask filter element, a one-way air outlet valve is further arranged between the shell and the bottom shell and penetrates through a through hole in the middle of the mask filter element, threading holes are formed in two sides of the shell, a mask belt is fixed on the shell through the threading holes, vent holes are further formed in the shell, and reinforcing ribs are further arranged on the inner side of the shell.
7. The mask of claim 6 wherein: the outer ring of the bottom shell is provided with a rubber pressing portion, the rubber pressing portion and the outer ring of the bottom shell are integrally formed, the rubber pressing portion is provided with a clamping edge which is turned outwards, and the outer shell is clamped in the clamping edge.
8. The mask of claim 6 wherein: the surface of the bottom shell is in a grid shape.
9. The mask of claim 6 wherein: the one-way air outlet valve comprises a valve shell and a valve block which are arranged on the upper portion of the center of the bottom shell, and a valve seat which is arranged on the center portion of the inner side of the shell, the valve shell is cylindrical, a positioning mounting column is arranged at the bottom of the center of the cylinder, a positioning mounting hole is formed in the center of the valve block, the valve block is installed on the positioning mounting column through the positioning mounting hole, and when the bottom shell is connected with the shell in a clamped mode, the valve shell is in contact with the valve seat.
10. The mask of claim 9 wherein: the cylindrical valve housing height is greater than the facemask filter thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381178.9U CN214071868U (en) | 2020-10-23 | 2020-10-23 | Mask filter element and mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381178.9U CN214071868U (en) | 2020-10-23 | 2020-10-23 | Mask filter element and mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214071868U true CN214071868U (en) | 2021-08-31 |
Family
ID=77445013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022381178.9U Active CN214071868U (en) | 2020-10-23 | 2020-10-23 | Mask filter element and mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214071868U (en) |
-
2020
- 2020-10-23 CN CN202022381178.9U patent/CN214071868U/en active Active
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