CN112205692A - Non-woven fabric mask and production process thereof - Google Patents
Non-woven fabric mask and production process thereof Download PDFInfo
- Publication number
- CN112205692A CN112205692A CN202011324693.1A CN202011324693A CN112205692A CN 112205692 A CN112205692 A CN 112205692A CN 202011324693 A CN202011324693 A CN 202011324693A CN 112205692 A CN112205692 A CN 112205692A
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- support
- filter layer
- mask body
- mask
- side plate
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 59
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 34
- 229920000742 Cotton Polymers 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000004080 punching Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 230000007306 turnover Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000001467 acupuncture Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/28—Means for ventilation
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to a non-woven fabric mask and a production process thereof, relating to the technical field of protective masks. It includes the gauze mask body that is the cup type on the whole, installs the breather valve on the gauze mask body, and sets up the bleeder vent on the breather valve, the upper end surface mounting of gauze mask body has the bridge of the nose strip, the equal fixedly connected with ear area in gauze mask body both sides, the breather valve is including installing in the inboard base of gauze mask body and installing in the outside support of gauze mask body, support one end detachable installs on the base, and the other end can overturn is connected with the valve gap, install in the support and realize positive and negative two-way filterable filter layer, and will the filtration locating component on the support is installed to the filter layer, the bleeder vent or set up on the valve gap, or set up the one end that is close to the valve gap on the support, still install on the valve gap and be located a plurality of inside and filter layer looks. The invention can realize bidirectional filtration of the mask and has high structural stability.
Description
Technical Field
The invention relates to the technical field of protective masks, in particular to a non-woven fabric mask and a production process thereof.
Background
At present, a non-woven fabric cup-shaped mask is divided into two types, namely a mask with a breather valve and a mask without the breather valve, the breather valve on the cup-shaped mask is also called an expiratory valve, a flap is arranged in the expiratory valve before improvement, and the flap is closed when breathing in; when the mask exhales, the valve is opened, and the gas exhaled by a wearer (with a cup-shaped mask before improvement) is directly exhausted into the surrounding environment without being filtered. Therefore, the cup-shaped mask is only one-way protection, only protects people wearing the mask, but does not protect people around the mask wearing person, so that the mask with the breathing valve before improvement is mainly applied to an industrial dustproof mask and an anti-haze (PM 2.5) mask and is not suitable for medical institutions, and if people with infectivity wear the cup-shaped mask before improvement, surrounding people are still at risk and do not have a protection effect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a non-woven fabric mask and a production process thereof, and the non-woven fabric mask has the advantages of capability of realizing bidirectional filtration and high structural stability.
In a first aspect, the above object of the present invention is achieved by the following technical solutions:
the utility model provides a non-woven fabrics gauze mask, includes the gauze mask body that is the cup type on the whole, installs the breather valve on the gauze mask body, and sets up the bleeder vent on the breather valve, the upper end surface mounting of gauze mask body has the bridge of the nose strip, the equal fixedly connected with ear area in gauze mask body both sides, the breather valve is including installing in the inboard base of gauze mask body and installing in the outside support of gauze mask body, support one end detachable installs on the base, and the other end can overturn is connected with the valve gap, install in the support and realize positive and negative two-way filterable filter layer, and will the filtration locating component on the support is installed to the filter layer, the bleeder vent or set up on the valve gap, or set up the one end that is close to the valve gap on the support, still install on the valve gap and be located a.
By adopting the technical scheme, the valve cover is arranged in a turnover mode, so that people can open the valve cover on the breather valve at a proper time to increase the breathing volume and the inspiration volume of people, and the breathing valve is more comfortable to wear; the support and the support are detachably connected, so that people can assemble the breather valve quickly and conveniently; simultaneously, install the gag lever post on the valve gap and can play certain limiting displacement to the filter layer, let the filter layer be difficult to the off tracking on the breather valve to the structural stability of this application has been improved.
In a preferred example of the present invention, the base is further provided with a clamping groove facing the valve cover, a side wall of the clamping groove is provided with a first clamping block, an end of the support is provided with a second clamping block matched with the first clamping block, and the support is connected with the base through the first clamping block and the second clamping block.
Through adopting above-mentioned technical scheme, under the effect of first fixture block and second fixture block, people can be in the same place support and base joint, and like this, people can conveniently install the breather valve on the gauze mask body.
In a preferred example of the present invention, the end surface of the first clamping block on the side close to the second clamping block is a first wedge-shaped end surface, the end surface of the second clamping block on the side close to the first clamping block is a second wedge-shaped end surface, and the first wedge-shaped end surface and the second wedge-shaped end surface are matched with each other.
Through adopting above-mentioned technical scheme, under the effect of first wedge terminal surface and second wedge terminal surface, people can be fast, simple and convenient go into the support card to the draw-in groove in to let people can install the breather valve on the gauze mask body more conveniently.
The invention may further be configured in a preferred example, the filtering and positioning assembly includes a positioning ring, the support is provided with a positioning groove, a clamping plate clamped in the positioning groove is installed on the periphery of the positioning ring, the periphery of the positioning ring is connected with the support through the clamping plate, and a third filtering layer is installed inside the positioning ring.
Through adopting above-mentioned technical scheme, the filter layer can block on the support under the effect of holding ring, and like this, people can conveniently install the filter layer.
In a preferred example of the present invention, the filtering and positioning assembly may further include a first side plate, a first filtering layer, a second filtering layer, and a second side plate sequentially disposed from inside to outside on the mask body, wherein one end of each of the first side plate, the first filtering layer, the second filtering layer, and the second side plate is mounted on the support, a gap is formed between the other end of each of the first side plate, the first filtering layer, the second filtering layer, and the second side plate, and gaps between the first side plate and the support, gaps between the first filtering layer and the support, gaps between the second filtering layer and the support, and gaps between the second side plate and the support are sequentially staggered at two sides of the support.
By adopting the technical scheme, when air is sucked, the air enters from the gap between the first side plate and the support, then sequentially passes through the first filter layer and the second filter layer for filtering, and finally enters into a human body from the gap between the second side plate and the support; when the respirator exhales, gas passes through the first filter layer and the second filter layer in sequence after passing through a gap between the second side plate and the support, and is exhausted from the air holes after being exhaled from the gap between the first side plate and the support.
The invention may further be configured in a preferred example, the first side plate and/or the second side plate includes an air guide plate arranged obliquely, and a material placing plate arranged perpendicularly between the side walls of the support, one end of the air guide plate is mounted on the support, the other end of the air guide plate is connected with the material placing plate, and the empty end of the material placing plate is arranged at an interval with the support.
Through adopting above-mentioned technical scheme, under the effect of air guide plate, can have certain interval between first filter layer and the second filter layer to make things convenient for gas to pass through first filter layer and second filter layer, and then let people can be more comfortable wearing this application.
The present invention may further be configured in a preferred example that the first filter layer, the second filter layer and the third filter layer each include a nonwoven fabric layer, an isolation filter layer and a water-blocking layer arranged in this order from the inside to the outside.
Through adopting above-mentioned technical scheme, this application can not only filter the gas of people's exhalation, can also filter people's inspiratory gas to let this application realize two-way filtration.
The invention may further be configured in a preferred example that the limiting rods are multiple, and the multiple limiting rods are all located in the gap between the first side plate and the support.
Through adopting above-mentioned technical scheme, the gag lever post can carry out certain blockking to first filter layer, prevents first filter layer off tracking to the structural stability of this application has been improved.
In a second aspect, the above object of the present invention is achieved by the following technical solutions:
the production process of the non-woven fabric mask comprises the following steps:
s1: the raw materials of the mask body of the cup-shaped mask are divided into an outer group of cloth, a middle group of filter cotton and an inner group of cloth;
s2: respectively placing the outer group cloth, the middle group filter cotton and the inner group cloth in a preheating box for preheating, and after the outer group cloth, the middle group filter cotton and the inner group cloth reach proper temperatures, placing the outer group cloth, the middle group filter cotton and the inner group cloth in a cup-shaped mask forming machine for punch forming to form a mask body;
s3: placing the formed mask body into a punching machine for punching so as to form a mounting hole for placing a breather valve on the mask body;
s4: according to design drawings, a filter layer is arranged on a support of the breather valve through a filtering positioning assembly, and a valve cover with a limiting rod is rotatably arranged on the support;
s5: installing the base of the breather valve on the step S3, locating the base inside the mask body, installing the support with the filter layer and the valve cover on the base, and installing the nose bridge strip and the ear band on the mask body.
By adopting the technical scheme, the valve cover is arranged in a turnover mode, so that people can open the valve cover on the breather valve at a proper time to increase the exhalation and inhalation amount of people; the support and the support are detachably connected, so that people can assemble the breather valve quickly and conveniently; simultaneously, install the gag lever post on the valve gap and can play certain limiting displacement to the filter layer, let the filter layer be difficult to drop from the breather valve to the structural stability of this application has been improved.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the valve cover is arranged in a turnover mode, so that people can open the valve cover on the breather valve at a proper time to increase the breathing amount and the inspiration amount of people, and the breather valve is more comfortable to wear;
2. the support and the support are detachably connected, so that people can assemble the breather valve quickly and conveniently, and the filter layer capable of realizing positive and negative bidirectional filtration is arranged on the support of the breather valve, so that bidirectional filtration of gas is realized;
3. install the gag lever post on the valve gap in this application can play certain limiting displacement to the filter layer, let the filter layer be difficult to drop from the breather valve to the structural stability of this application has been improved.
Drawings
FIG. 1 is a schematic view of the structure of the non-woven mask of the present invention;
FIG. 2 is a schematic view of a breather valve with a first filter positioning assembly;
FIG. 3 is a schematic view of a breather valve with a second filter positioning assembly.
Reference numerals: 1. a mask body; 2. a breather valve; 21. a support; 22. a valve cover; 23. a filter layer; 231. a first filter layer; 232. a second filter layer; 233. a third filter layer; 24. a filter positioning assembly; 241. a positioning ring; 242. positioning a groove; 243. clamping a plate; 244. a first side plate; 245. a second side plate; 246. a gas guide plate; 247. placing a material plate; 25. a limiting rod; 26. a base; 27. a card slot; 28. a first clamping block; 29. a second fixture block; 3. air holes are formed; 4. a nose bridge strip; 5. an ear band.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the application provides a non-woven fabric mask, including the gauze mask body 1 that is the cup type on the whole, install breather valve 2 on gauze mask body 1, and set up bleeder vent 3 on breather valve 2, the outer surface mounting of the upper end of gauze mask body 1 has nose bridge strip 4, the equal fixedly connected with ear area 5 in gauze mask body 1 both sides.
During the actual work, bridge of the nose strip 4 and ear area 5 are prior art, and this application mainly can only realize one-way filtration to the cup type gauze mask that has breather valve 2 before the improvement to the cup type gauze mask that has breather valve 2 before making the improvement can only be used for preventing dust, can not be used for the problem of epidemic situation protection, and provides one kind and can realize two-way filtration, stable in structure's non-woven fabrics gauze mask.
As shown in fig. 2, a clamping groove 27 facing the valve cover 22 is formed in the base 26, a first clamping block 28 is formed in a side wall of the clamping groove 27, a second clamping block 29 matched with the first clamping block 28 is formed in an end portion of the support 21, and the support 21 is connected with the base 26 through the first clamping block 28 and the second clamping block 29, so that people can conveniently install the breathing valve 2 on the mask body 1. Preferably, the end surface of the first fixture block 28 on the side close to the second fixture block 29 is a first wedge-shaped end surface, the end surface of the second fixture block 29 on the side close to the first fixture block 28 is a second wedge-shaped end surface, and the first wedge-shaped end surface and the second wedge-shaped end surface are matched with each other. Thus, people can install the support 21 more conveniently, and the support 21 is not easy to fall off from the base 26.
As shown in fig. 1, the air holes 3 are disposed on the valve cover 22 or on the support 21 near one end of the valve cover 22, and the valve cover 22 is further provided with a plurality of limiting rods 25 which are disposed inside the support 21 and abut against the filter layer 23. In actual operation, one or more limiting rods 25 may be provided, and a plurality of limiting rods 25 are located in the gap between the first side plate 244 and the support 21 to prevent the filter layer 23 (including the first filter layer 231, the second filter layer 232 and the third filter layer 233) from deviating.
As shown in fig. 2 and 3, the breather valve 2 comprises a base 26 arranged on the inner side of the mask body 1 and a support 21 arranged on the outer side of the mask body 1, one end of the support 21 is detachably arranged on the base 26, and the other end of the support is connected with a valve cover 22 in a turnover manner, so that people can conveniently install the breather valve 2 on the mask body 1 and can open the valve cover 22 as required to facilitate ventilation.
As shown in fig. 2, the first filter positioning assembly 24 is configured as follows: the filtering and positioning assembly 24 comprises a positioning ring 241, a positioning groove 242 is arranged on the support 21, a clamping plate 243 clamped in the positioning groove 242 is arranged on the periphery of the positioning ring 241, the periphery of the positioning ring 241 is connected with the support 21 through the clamping plate 243, and the filtering layer 23 is arranged inside the positioning ring 241. The filter layer 23 can be clamped on the support 21 under the action of the positioning ring 241, so that people can conveniently install the filter layer 23.
In actual operation, in order to clamp the clamping plate 243 in the first filtering and positioning assembly 24 in manufacturing, the clamping plate 243 and the positioning groove 242 can also be respectively provided with a clamping block, and the clamping blocks of the clamping plate 243, the positioning groove 242 and the positioning groove 242 on the clamping plate 243 can also be wedge-shaped surfaces on the matching surface, so as to facilitate the assembly of the clamping plate 243 and the positioning groove 242.
As shown in fig. 3, the second filter positioning assembly 24 has the following structure: the filtering and positioning assembly 24 comprises a first side plate 244, a first filtering layer 231, a second filtering layer 232 and a second side plate 245 which are sequentially arranged from inside to outside on the mask body 1, the first side plate 244, the first filtering layer 231, the uniform ends of the second filtering layer 232 and the second side plate 245 are installed on the support 21, gaps are formed between the other end of the first side plate 244 and the inner wall of the support 21, gaps between the first side plate 244 and the support 21, gaps between the first filtering layer 231 and the support 21, gaps between the second filtering layer 232 and the support 21, and gaps between the second side plate 245 and the support 21 are sequentially arranged in a staggered mode on two sides of the support 21, so that the two-way filtering function of gas is also achieved through the mask.
Preferably, as shown in fig. 3, the first side plate 244 and/or the second side plate 245 includes an air guide plate 246 disposed obliquely, and a material placing plate 247 disposed perpendicularly between the side walls of the support 21, one end of the air guide plate 246 is mounted on the support 21, the other end is connected to the material placing plate 247, and the empty end of the material placing plate 247 is disposed at a distance from the support 21. Under the effect of air guide 246, there will be certain interval between first filter layer 231 and the second filter layer 232 to make things convenient for gas to pass through first filter layer 231 and second filter layer 232, and then let people wear this application and can be more comfortable.
In actual work, the first filtering and positioning assembly 24 shown in fig. 2 is simpler than the second filtering and positioning assembly 24 shown in fig. 3, when people wear the cup-shaped mask with the first filtering and positioning assembly 24, because the third filtering layer 233 has only a three-layer filtering structure, the number of layers of the third filtering layer is less than that of the filtering structure (five to six layers) of the mask body in the cup-shaped mask, and therefore, the wearing comfort of the cup-shaped mask with the first filtering and positioning assembly 24 is stronger than that of the cup-shaped mask without a breathing valve.
When people wear the cup-shaped mask with the second filtering and positioning assembly 24, although the second filtering and positioning assembly 24 has six layers of filtering structures, which are basically the same as the filtering structures of the mask body, as shown in fig. 3, because the first filtering layer 231 and the second filtering layer 232 are arranged at intervals and a gap for fluid to flow through is arranged in the breather valve, the wearing comfort of the cup-shaped mask with the second filtering and positioning assembly 24 is better than that of the cup-shaped mask without the breather valve.
As shown in FIG. 2 and FIG. 3, a filter layer 23 capable of realizing bidirectional filtration and a filter positioning component 24 for installing the filter layer 23 on the support 21 are installed in the support 21, the present application provides two structures of filter positioning components 24, and both the filter positioning components 24 can allow the filter layer 23 to be installed on the support 21. In actual operation, the first filter layer 231, the second filter layer 232 and the third filter layer 233 of the present application can all be collectively referred to as the filter layer 23, the third filter layer 233 can separately realize bidirectional filtration, and the first filter layer 231 and the second filter layer 232 cooperate to realize bidirectional filtration.
Further, the first filter layer 231, the second filter layer 232, and the third filter layer 233 each include a non-woven fabric layer, an isolation filter layer, and a water blocking layer, which are sequentially disposed from the inside to the outside.
In actual work, first filter layer 231, second filter layer 232 and third filter layer 233 of this application can all be collectively referred to as filter layer 23, and filter layer 23 can adopt the same material of body in this application (also constitute by outer group's cloth, well group's filter pulp and interior group's cloth), also can adopt the material and the structure that current plane gauze mask adopted, also the material average that nonwoven layer, isolation filter layer and water blocking layer in this application can adopt and the same material of plane gauze mask (prior art), do not describe herein repeatedly.
In actual work, the production process of the non-woven fabric mask comprises the following steps:
s1: the raw materials of the mask body of the cup-shaped mask are divided into an outer group of cloth, a middle group of filter cotton and an inner group of cloth;
during actual work, should be as earlier grouping raw and other materials in advance, with group's cloth and outer group's cloth stretch forming back respectively in advance, will well group's filter pulp fifty percent discount and surpass and put into in the middle of group and the outer group behind the synthetic arch piece to can avoid well group's filter pulp because stretched the problem that leads to its structure to be destroyed, filtration efficiency reduces, thereby make the cup type gauze mask of this application satisfy N95 or kN95 filtering standard. Simultaneously, the outer group's cloth of this application comprises non-woven fabrics and the cotton from outer to interior arrangement with range upon range of mode, and interior group's cloth comprises double-deck non-woven fabrics, and well group's filter pulp also can the volume adopt single-deck acupuncture cotton or double-deck acupuncture cotton to make.
S2: respectively placing the outer group cloth, the middle group filter cotton and the inner group cloth in a preheating box for preheating, and after the outer group cloth, the middle group filter cotton and the inner group cloth reach proper temperatures, placing the outer group cloth, the middle group filter cotton and the inner group cloth in a cup-shaped mask forming machine for punch forming to form a mask body 1;
in the time of the actual work, this application is through to outer group's cloth, well group filter pulp and interior group's cloth preheat the back, can let the gauze mask body 1 of this application can the shaping more easily, simultaneously, preheat not only the cost lower through the preheating cabinet, preheat the effect better moreover, can not lead to the fact the damage to outer group's cloth, well group filter pulp and interior group's cloth.
S3: the formed mask body 1 is placed into a punching machine for punching, so that a mounting hole for placing a breather valve 2 is formed in the mask body 1;
during the actual operation, above-mentioned mounting hole mainly used installation breather valve 2, simultaneously, during the actual operation, the diameter of mounting hole can slightly be less than the diameter of breather valve 2 to let gauze mask body 1 have partly structure joint in breather valve 2, thereby improve the gas tightness of this application.
S4: according to design drawings, a filter layer 23 is arranged on a support 21 of the breather valve 2 through a filter positioning assembly 24, and a valve cover 22 with a limiting rod 25 is rotatably arranged on the support 21;
during actual work, this application can adopt first kind to filter locating component 24 installation filter layer 23, also can adopt second kind to filter locating component 24 installation filter layer 23, and people can select according to self needs.
S5: the base 26 of the breather valve 2 is mounted on step S3, the base 26 is positioned inside the mask body 1, the support 21 with the filter 23 and the valve cover 22 is mounted on the base 26, and the nose bridge 4 and the ear band 5 are mounted on the mask body 1.
In actual work, the valve cover 22 is arranged in a turnover mode, so that people can open the valve cover 22 on the breather valve 2 at a proper time to increase the exhalation and inhalation amount of people; the support 21 and the support 21 are detachably connected, so that people can assemble the breather valve 2 quickly and conveniently, and the filter layer 23 capable of realizing positive and negative bidirectional filtration is arranged on the support 21 of the breather valve 2, so that bidirectional filtration of gas is realized; simultaneously, install gag lever post 25 on valve gap 22 and can play certain limiting displacement to filter layer 23, let filter layer 23 be difficult to drop from breather valve 2 to the structural stability of this application has been improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The non-woven fabric mask comprises a mask body (1) which is integrally in a cup shape, a breather valve (2) installed on the mask body (1) and air holes (3) formed in the breather valve (2), wherein a nose bridge strip (4) is installed on the outer surface of the upper end of the mask body (1), ear bands (5) are fixedly connected to the two sides of the mask body (1), the non-woven fabric mask is characterized in that the breather valve (2) comprises a base (26) installed on the inner side of the mask body (1) and a support (21) installed on the outer portion of the mask body (1), one end of the support (21) is detachably installed on the base (26), a valve cover (22) connected with the other end of the support and capable of turning is arranged in the support (21), a filter layer (23) capable of realizing positive and negative bidirectional filtering is installed in the support (21), and a filtering and positioning component, the breather holes (3) are formed in the valve cover (22) or one end, close to the valve cover (22), of the support (21), and the valve cover (22) is further provided with a plurality of limiting rods (25) which are located inside the support (21) and abutted against the filter layer (23).
2. The non-woven fabric mask according to claim 1, wherein the base (26) is provided with a clamping groove (27) facing the valve cover (22), the side wall of the clamping groove (27) is provided with a first clamping block (28), the end of the support (21) is provided with a second clamping block (29) matched with the first clamping block (28), and the support (21) is connected with the base (26) through the first clamping block (28) and the second clamping block (29).
3. The non-woven mask according to claim 2, wherein the end surface of the first block (28) on the side close to the second block (29) is a first wedge-shaped end surface, the end surface of the second block (29) on the side close to the first block (28) is a second wedge-shaped end surface, and the first wedge-shaped end surface and the second wedge-shaped end surface are matched with each other.
4. The non-woven mask according to claim 1, 2 or 3, wherein the filtering and positioning assembly (24) comprises a positioning ring (241), a positioning groove (242) is formed in the support (21), a clamping plate (243) clamped in the positioning groove (242) is installed on the periphery of the positioning ring (241), the periphery of the positioning ring (241) is connected with the support (21) through the clamping plate (243), and a third filtering layer (233) is installed inside the positioning ring (241).
5. The non-woven mask according to claim 1, 2, 3 or 4, wherein the filter positioning assembly (24) comprises a first side plate (244), a first filter layer (231), a second filter layer (232) and a second side plate (245) which are arranged on the mask body (1) from inside to outside in sequence, one end of the first side plate (244), the first filter layer (231), the second filter layer (232) and the second side plate (245) is arranged on the support (21), a gap is arranged between the other end of the first side plate and the inner wall of the support (21), a gap between the first side plate (244) and the support (21), a gap between the first filter layer (231) and the support (21), and a gap between the second filter layer (232) and the support (21), and gaps between the second side plate (245) and the support (21) are sequentially arranged in a staggered mode on two sides of the support (21).
6. The non-woven mask according to claim 5, wherein the first side plate (244) and/or the second side plate (245) comprises an air guide plate (246) arranged obliquely and a material placing plate (247) arranged perpendicularly to the side wall of the support (21), one end of the air guide plate (246) is mounted on the support (21), the other end of the air guide plate is connected with the material placing plate (247), and the empty end of the material placing plate (247) is arranged at a distance from the support (21).
7. The non-woven mask according to claim 6, wherein the first filter layer (231), the second filter layer (232) and the third filter layer (233) each comprise a non-woven fabric layer, an isolation filter layer and a water blocking layer, which are sequentially disposed from the inside to the outside.
8. The non-woven mask according to claim 7, wherein the plurality of the position-limiting rods (25) are provided, and the plurality of the position-limiting rods (25) are located in the gap between the first side plate (244) and the support (21).
9. The production process of the non-woven fabric mask according to any one of claims 1 to 8, comprising the steps of:
s1: the raw materials of the mask body of the cup-shaped mask are divided into an outer group of cloth, a middle group of filter cotton and an inner group of cloth;
s2: respectively placing the outer group cloth, the middle group filter cotton and the inner group cloth in a preheating box for preheating, and after the outer group cloth, the middle group filter cotton and the inner group cloth reach proper temperatures, placing the outer group cloth, the middle group filter cotton and the inner group cloth in a cup-shaped mask forming machine for punch forming to form a mask body (1);
s3: putting the formed mask body (1) into a punching machine for punching so as to form a mounting hole for placing a breather valve (2) on the mask body (1);
s4: according to a design drawing, a filter layer (23) is arranged on a support (21) of the breather valve (2) through a filter positioning component (24), and a valve cover (22) with a limiting rod (25) is rotatably arranged on the support (21);
s5: installing the base (26) of the breather valve (2) on the step S3, enabling the base (26) to be located inside the mask body (1), installing the support (21) with the filter layer (23) and the valve cover (22) on the base (26), and installing the nose bridge strip (4) and the ear band on the mask body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011324693.1A CN112205692B (en) | 2020-11-24 | 2020-11-24 | Non-woven mask and production process thereof |
Applications Claiming Priority (1)
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103148261A (en) * | 2013-03-28 | 2013-06-12 | 纽威石油设备（苏州）有限公司 | Pneumatic diaphragm driving device for flat gate valve |
| CN205624592U (en) * | 2016-04-15 | 2016-10-12 | 邯郸派瑞电器有限公司 | Gauze mask of breather valve and filter element can be dismantled in area |
| CN109349704A (en) * | 2018-10-31 | 2019-02-19 | 名典上品（北京）信息技术有限公司 | A kind of protective mask |
| CN109380785A (en) * | 2018-09-11 | 2019-02-26 | 成都惠英融创科技有限公司 | A kind of anti-haze and the mask and preparation method thereof with herbal drug interlayer |
| CN109757808A (en) * | 2017-11-07 | 2019-05-17 | 深中海医疗用品（深圳）有限公司 | Cup type mask manufacturing method and cup type mask |
| AU2020100228A4 (en) * | 2020-02-17 | 2020-03-26 | EOS-ENVIRO/EOS Import and Export Ltd. | Filter Mask with UVC LED |
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2020
- 2020-11-24 CN CN202011324693.1A patent/CN112205692B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148261A (en) * | 2013-03-28 | 2013-06-12 | 纽威石油设备（苏州）有限公司 | Pneumatic diaphragm driving device for flat gate valve |
| CN205624592U (en) * | 2016-04-15 | 2016-10-12 | 邯郸派瑞电器有限公司 | Gauze mask of breather valve and filter element can be dismantled in area |
| CN109757808A (en) * | 2017-11-07 | 2019-05-17 | 深中海医疗用品（深圳）有限公司 | Cup type mask manufacturing method and cup type mask |
| CN109380785A (en) * | 2018-09-11 | 2019-02-26 | 成都惠英融创科技有限公司 | A kind of anti-haze and the mask and preparation method thereof with herbal drug interlayer |
| CN109349704A (en) * | 2018-10-31 | 2019-02-19 | 名典上品（北京）信息技术有限公司 | A kind of protective mask |
| AU2020100228A4 (en) * | 2020-02-17 | 2020-03-26 | EOS-ENVIRO/EOS Import and Export Ltd. | Filter Mask with UVC LED |
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| CN112205692B (en) | 2024-02-20 |
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