CN112535331A - Mask structure and production method thereof - Google Patents
Mask structure and production method thereof Download PDFInfo
- Publication number
- CN112535331A CN112535331A CN202011556031.7A CN202011556031A CN112535331A CN 112535331 A CN112535331 A CN 112535331A CN 202011556031 A CN202011556031 A CN 202011556031A CN 112535331 A CN112535331 A CN 112535331A
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- filter
- connecting sleeve
- plate
- mask
- rotating plate
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 32
- 230000000694 effects Effects 0.000 description 8
- 230000013011 mating Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 210000004556 brain Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- -1 and is made of gauze Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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 application relates to a mask structure and a production method thereof, wherein the mask structure comprises a mask part and a filtering component arranged on the mask part, the mask part is provided with an air suction port and an air inlet, the filtering component comprises a connecting sleeve, and one opening of the connecting sleeve is fixedly connected with the edge of the air inlet in a seamless manner; the filter assembly also comprises two filter plates fixed inside the connecting sleeve, the filter plates are in seamless sealing with the inner wall of the connecting sleeve, filter holes are formed in the filter plates, the filter assembly also comprises a filter cartridge fixed between the two filter plates, openings are formed in the two ends of the filter cartridge, and the two ends of each filter cartridge are respectively in seamless sealing and fixing with the edges of the two filter holes of different filter plates; the filtering component further comprises a rotating plate which is rotatably connected in the connecting sleeve, matching holes which can correspond to different filtering holes along with the rotation of the rotating plate are formed in the rotating plate, and the rotating plate is seamlessly sealed with the inner wall of the connecting sleeve. This application can make the gauze mask realize different filtering capability.
Description
Technical Field
The application relates to the technical field of masks, in particular to a mask structure and a production method thereof.
Background
The mask is a sanitary article, is generally worn on the mouth and nose for filtering air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, and is made of gauze, paper and other materials. The mask has a certain filtering function on air entering the lung, and has a very good effect when being worn in respiratory infectious diseases and working in environments polluted by dust and the like.
The common disposable medical mask has a simple structure and is used for a user in a disposable way, for example, the mask disclosed in the patent document with the publication number of CN211185967U comprises a mask body, wherein the mask body comprises a surface layer, a sterilizing layer, a filtering layer and a skin-friendly layer, the surface layer, the sterilizing layer, the filtering layer and the skin-friendly layer are arranged in a laminated way, the sterilizing layer and the filtering layer are both positioned between the surface layer and the skin-friendly layer, the surface layer is used for being in direct contact with air, the sterilizing layer is used for sterilizing the air passing through the surface layer, the filtering layer is used for filtering the air passing through the surface layer, and the skin-friendly layer is used for being in direct contact with the face of; the two ends of the ear belt are respectively connected with the cover body. The mask has sterilizing and filtering functions.
According to the requirements of different use environments, such as harmful gas filtration, spray filtration, particulate matter filtration and the like, people need to wear masks with different materials and different filtering functions.
In view of the above-mentioned related arts, the inventor believes that the mask cannot be adapted to different usage environments by changing the filtering function thereof according to the usage environments, and thus needs to be improved.
Disclosure of Invention
In order to enable the mask to achieve different filtering functions, the application provides a mask structure and a production method thereof.
In a first aspect, the present application provides a mask structure, which adopts the following technical solution:
a mask structure comprises a mask part, a filtering component and a headband component, wherein the filtering component is installed on the mask part and is provided with an air suction port and an air inlet; the filter assembly further comprises two filter plates fixed inside the connecting sleeve, the filter plates are in seamless sealing with the inner wall of the connecting sleeve, at least two filter holes are formed in each filter plate, the filter assembly further comprises filter cartridges fixed between the two filter plates, the number of the filter cartridges is the same as that of the filter holes in a single filter plate, openings are formed in two ends of each filter cartridge, and two ends of each filter cartridge are respectively in seamless sealing and fixing with the edges of the two filter holes of different filter plates; the filter component further comprises a rotating plate which is rotatably connected in the connecting sleeve, matching holes which can correspond to different filter holes along with the rotation of the rotating plate are formed in the rotating plate, the rotating plate is attached to the filter plate which deviates from the air suction port, and the rotating plate is in seamless sealing with the inner wall of the connecting sleeve.
Through adopting above-mentioned technical scheme, the user wears face guard portion after the face, and inspiratory gas gets into through the tip that connecting sleeve deviates from the air inlet, because different filtering material can be placed in the cartridge filter of difference, consequently rotates the rotor plate, makes the mating holes on the rotor plate rotate the position corresponding with the cartridge filter of difference, can switch the filtering capability of gauze mask, makes the gauze mask realize different filtering capability.
Optionally, a through rotating groove is formed in the side wall of the connecting sleeve, a shifting rod is fixedly arranged on the rotating plate, and the shifting rod penetrates through the rotating groove and extends to the outside of the connecting sleeve.
Through adopting above-mentioned technical scheme, the user can drive the rotor plate through promoting the driving lever and take place to rotate in connecting sleeve is inside, when switching the filtering capability of gauze mask, convenient and fast more.
Optionally, a limiting ring is fixedly arranged on the inner wall of the connecting sleeve, the limiting ring is of a plate-shaped structure, and the limiting ring is attached to the surface of the rotating plate, which is away from the air suction port.
Through adopting above-mentioned technical scheme, spacing ring and filter have injectd the position of rotor plate jointly, and the rotor plate only can be at the clearance internal rotation between filter and the limiting plate to avoided the rotor plate to separate each other with the filter when rotating.
Optionally, the connecting sleeve is a cylinder, the filter plate is a circular plate, the filter holes are circular holes, and the six filter holes are uniformly distributed at equal intervals along a circumferential path around the center of the filter plate; the rotating plate is a circular plate with the diameter equal to that of the filter plate, three matching holes are formed in the rotating plate, the diameter of each matching hole is equal to that of each filter hole, and the three matching holes are evenly distributed around the circle center of the rotating plate along a circumferential path at equal intervals.
Through adopting above-mentioned technical scheme, six contained angles of crossing between the filtration hole on the filter are sixty degrees, and the contained angle between the three mating holes on the rotor plate is one hundred twenty degrees, and consequently the rotor plate rotates sixty degrees every turn and can make the mating holes corresponding with the cartridge filter of three difference, consequently can set up the central angle that rotates the groove into sixty degrees and can inject two extreme positions of rotor plate in two kinds of different filtration states, convenient and fast more during the use.
Optionally, an adjusting assembly is mounted on the connecting sleeve, the adjusting assembly includes an adjusting sleeve, the adjusting sleeve is a cylinder with openings at both ends, the opening at one end of the adjusting sleeve is connected to the connecting sleeve through a thread, and a baffle ring is mounted at an opening of the adjusting sleeve, which is far away from the connecting sleeve; the connecting sleeve is internally provided with a filter element in a penetrating way, one end of the filter element is propped against the limiting ring, and the other end of the filter element is propped against the baffle ring.
Through adopting above-mentioned technical scheme, filter the core and can carry out preliminary filtration to the air of inhaling in the connecting sleeve to improve the purifying effect of air, and rotate adjusting sleeve and can compress filtering the core, filter the corresponding emergence of the inside micro dimension of core and change, thereby can adjust and filter the core and make its adaptation filter the micro particle of unidimensional not.
Optionally, the filter element includes an activated carbon layer, a sponge layer, a melt-blown fabric layer and a non-woven fabric layer which are overlapped with each other.
Through adopting above-mentioned technical scheme, the active carbon layer can adsorb harmful gas, reduces harmful gas to the damage of human body, and the sponge layer has good elasticity, can provide great compression space for crossing the filter core, and the melt-blown cloth layer can filter the particulate matter in the air, and the non-woven fabrics layer can absorb the steam that the human body produced when breathing, plays the guard action to crossing the filter core.
Optionally, a gasket is fixedly arranged at the edge of the air suction port of the mask portion.
Through adopting above-mentioned technical scheme, face guard portion wears when face, and sealed pad can support on people's face to improve the leakproofness between face guard portion and the people's face, and then guarantee the protective effect of gauze mask.
Optionally, a plurality of fixing rings are arranged on the mask portion, the headband assembly comprises a top band and a neck band, two ends of the top band are respectively fixed on the two fixing rings, and two ends of the neck band are respectively fixedly connected to the other two fixing rings.
Through adopting above-mentioned technical scheme, when the user wears the gauze mask, the top band can bypass the brain, and the neck can be walked around to the nape-band, and top band and nape-band all can set up to having elastic material to make wearing of face guard portion can be more firm in user of service's face.
Optionally, the inner ring of the baffle ring is fixedly provided with a filter screen.
Through adopting above-mentioned technical scheme, when rotating adjusting sleeve and compressing the filter core, the filter screen can play the impetus to filtering the core at adjusting sleeve's tip, reduces the degree of filtering the deformation that the core takes place in fender ring inner circle department, guarantees to filter the result of use of core.
In a second aspect, the present application provides a method for producing a mask structure, for producing the mask structure, the method comprising the steps of:
s1, fixing the connecting sleeve at the air inlet of the mask part to enable the connecting part of the connecting sleeve and the mask part to be sealed in a seamless mode;
s2, fixing the filter cartridge and the filter plates to ensure that two ends of the filter cartridge respectively correspond to the filter holes on the two filter plates;
s3, fixing the filter cartridge and the filter plate into a whole inside the connecting sleeve, so that the filter plate and the inner wall of the connecting sleeve are sealed seamlessly;
s4, slotting, and slotting an arc-shaped rotating slot on the side wall of the filter cylinder;
s5, mounting the rotating plate in the connecting sleeve, and making the deflector rod pass through the rotating groove to make the rotating plate stick on the filter plate;
s6, fixing the limit ring in the connecting sleeve, enabling the outer ring of the limit ring and the inner wall of the connecting sleeve to be sealed in a seamless mode, and enabling the limit ring to be attached to the rotating plate;
s7, penetrating the filter element from the opening of the connecting sleeve deviating from the air inlet, and enabling the filter element to abut against the limiting ring;
s8, forming threads on the outer wall of the connecting sleeve, and screwing the adjusting sleeve on the connecting sleeve to enable the baffle ring to abut against the filter element;
and S9, mounting a fixing ring on the connecting sleeve, and fixing the end parts of the top strap and the neck strap on the fixing ring.
Through adopting above-mentioned technical scheme, the staff can produce foretell gauze mask structure to realize under the environment of difference, switch different filtering capability's purpose.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after a user wears the mask part on the face, inhaled gas enters through the end part of the connecting sleeve, which is far away from the gas inlet, and different filter materials can be placed in different filter cartridges, so that the rotating plate is rotated, the matching holes in the rotating plate are rotated to positions corresponding to different filter cartridges, the filter functions of the mask can be switched, and the mask can realize different filter functions;
2. the limiting ring and the filter plate jointly limit the position of the rotating plate, and the rotating plate can only rotate in the gap between the filter plate and the limiting plate, so that the rotating plate is prevented from being separated from the filter plate when rotating.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a cross-sectional view of the coupling sleeve and adjustment assembly.
Fig. 3 is an exploded view of the filter assembly.
Fig. 4 is a schematic structural view of the filter element.
Description of reference numerals: 1. a mask portion; 11. a side sealing plate; 12. an air suction port; 13. an air inlet; 14. a gasket; 15. a fixing ring; 2. a filter assembly; 21. a connecting sleeve; 211. a rotating groove; 22. a filter plate; 221. a filtration pore; 23. a filter cartridge; 24. a rotating plate; 241. a mating hole; 242. a deflector rod; 25. a limiting ring; 3. an adjustment assembly; 31. an adjustment sleeve; 32. a baffle ring; 33. a filter screen; 4. a headgear assembly; 41. a top belt; 411. a limiting band; 42. a neck band; 5. a filter element; 51. an activated carbon layer; 52. a sponge layer; 53. melt-blown fabric layer; 54. a non-woven fabric layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a mask structure. Referring to fig. 1, the mask structure includes a mask portion 1, a filtering component 2, an adjusting component 3, and a headband component 4, where the mask portion 1 includes a plurality of side sealing plates 11 having straight edges and curved edges, in this embodiment, four side sealing plates 11 are provided, the side sealing plates 11 are metal plates, the four side sealing plates 11 are integrally connected to form an irregular cylindrical structure, and form two openings of the mask portion 1, one of the openings is a rectangular air inlet 12, the other opening is a circular air inlet 13, and an area of the air inlet 12 is larger than an area of the air inlet 13.
Referring to fig. 2 and 3, the filter assembly 2 includes a connection sleeve 21, the connection sleeve 21 is a cylinder with two open ends, the inner diameter of the connection sleeve 21 is the same as the diameter of the air inlet 13, one end of the connection sleeve 21 is fixedly connected to the edge of the air inlet 13, the connection between the connection sleeve 21 and the air inlet 13 is sealed in a seamless manner, the filter assembly 2 further includes two filter plates 22 fixed inside the connection sleeve 21, each filter plate 22 is a circular plate and has the same diameter as the inner diameter of the connection sleeve 21, the filter plates 22 are sealed without a gap with the inner wall of the connection sleeve 21, the two filter plates 22 are arranged in parallel and have a distance therebetween, each filter plate 22 is provided with a plurality of filter holes 221, in this embodiment, the filter holes 221 are circular holes, the filter holes 221 are six, the six filter holes 221 are uniformly arranged around the center of the filter plate 22, the filtering holes 221 on the two filtering plates 22 correspond to each other pairwise, and the connecting line of the circle centers of the two filtering holes 221 corresponding to each other is parallel to the axis of the connecting sleeve 21.
Referring to fig. 2 and 3, the filter assembly 2 further includes a plurality of filter cartridges 23 disposed between the two filter plates 22, one filter cartridge 23 is connected between each two corresponding filter holes 221, the filter cartridge 23 is a cylinder with openings at both ends and has the same diameter as the filter holes 221, the edges of the openings of the filter cartridges 23 are seamlessly fixed to the edges of the filter holes 221, and different filter materials are disposed in the filter cartridges 23 to enable different filter cartridges 23 to achieve different filter functions.
Referring to fig. 2 and 3, the filter assembly 2 further includes a rotating plate 24 installed in the connection sleeve 21, the rotating plate 24 is a circular plate having the same diameter as the inner diameter of the connection sleeve 21, the edge of the rotating plate 24 is seamlessly attached to the inner wall of the connection sleeve 21, the rotating plate 24 is disposed at the outer side of the filter plate 22 away from the air inlet 13, the surface of the rotating plate 24 is attached to the surface of the filter plate 22, in addition, fitting holes 241 having the same shape as the filter holes 221 are formed in the surface of the rotating plate 24, the number of the fitting holes 241 is smaller than the number of the filter holes 221, in this embodiment, the fitting holes 241 are circular holes, the diameter of the fitting holes 241 is the same as the diameter of the filter holes 221, the number of the fitting holes 241 is three, the three fitting holes 241 are uniformly arranged at equal intervals along a circular path around the center of the rotating plate 24, and the fitting holes 241 can be corresponding to different filter holes 221 by rotating the rotating, so that the air inhaled by the user can flow through different filter cartridges 23 to achieve different filtering effects.
Referring to fig. 2 and 3, a limiting ring 25 is fixedly arranged on the inner wall of the connecting sleeve 21, the limiting ring 25 is of an annular plate-shaped structure, the outer diameter of the limiting ring 25 is equal to the inner diameter of the connecting sleeve 21, the outer ring of the limiting ring 25 is in seamless sealing with the inner wall of the connecting sleeve 21, in addition, the limiting ring 25 is attached to the surface of the rotating plate 24 deviating from the filter plate 22, so that the position of the rotating plate 24 is limited in the gap between the filter plate 22 and the limiting ring 25, and the rotating plate 24 can only rotate in the gap.
Referring to fig. 2 and 3, in order to rotate the rotating plate 24, an arc-shaped rotating groove 211 is formed in the side wall of the connecting sleeve 21, the rotating groove 211 extends along the circumferential direction of the radial cross section of the connecting sleeve 21, the rotating groove 211 penetrates through the side wall of the connecting sleeve 21, in addition, the rotating groove 211 corresponds to the gap between the filter plate 22 and the limiting ring 25, a shift lever 242 is fixedly arranged at the edge of the rotating plate 24, the shift lever 242 penetrates through the rotating groove 211 to extend to the outside of the connecting sleeve 21, and a user can drive the rotating plate 24 to rotate in the connecting sleeve 21 by pushing the shift lever 242, so that the matching hole 241 corresponds to different filter holes 221.
Referring to fig. 2 and 3, the adjusting assembly 3 includes an adjusting sleeve 31 installed at an opening of the connecting sleeve 21 facing away from the mask portion 1, the adjusting sleeve 31 is a cylinder with openings at both ends, an inner diameter of the adjusting sleeve 31 is the same as an outer diameter of the connecting sleeve 21, an opening at one end of the adjusting sleeve 31 is sleeved on the opening of the connecting sleeve 21 facing away from the mask portion 1, the connecting sleeve 21 is provided with a thread on an outer wall thereof close to the opening facing away from the mask portion 1, the inner wall of the adjusting sleeve 31 is also provided with a thread, the adjusting sleeve 31 is in threaded connection with the connecting sleeve 21, in addition, the adjusting assembly 3 further includes a baffle ring 32 installed at an opening at an end of the adjusting sleeve 31 facing away from the connecting sleeve 21, the baffle ring 32 is in an annular plate-like structure, the baffle ring 32 is fixed at an edge of the opening of the adjusting sleeve 31.
Referring to fig. 2 and 3, a filter element 5 is disposed between the limiting ring 25 and the baffle ring 32, the filter element 5 has a cylindrical structure with the same inner diameter as the connecting sleeve 21, one end of the filter element 5 abuts against the limiting ring 25, the other end abuts against the baffle ring 32, the relative position between the adjusting sleeve 31 and the connecting sleeve 21 is changed by rotating the adjusting sleeve 31, the distance between the baffle ring 32 and the limiting ring 25 can be adjusted, so as to compress the filter element 5, or the filter element 5 is restored under the elastic action, and after the filter element 5 is compressed, the size of the internal microstructure can be correspondingly changed, so as to adjust the size of particles that can be filtered by the filter element 5.
Referring to fig. 2 and 3, the adjusting assembly 3 further includes a filter screen 33 fixedly disposed at the inner ring of the baffle ring 32, the filter screen 33 is a mesh structure formed by a plurality of strip-shaped metal wires which are mutually staggered, and the filter screen 33 supports against the end portion of the filter element 5, so that when the adjusting sleeve 31 drives the baffle ring 32 to compress the filter element 5, the filter screen 33 can assist in pushing the end portion of the filter element 5, and the degree of deformation of the filter element 5 at the inner ring of the baffle ring 32 is favorably reduced.
Referring to fig. 4, in this embodiment, filter core 5 includes activated carbon layer 51, sponge layer 52, melt blown fabric layer 53 and non-woven fabrics layer 54 that overlap each other and set up, activated carbon layer 51 can adsorb the harmful gas in the air, and sponge layer 52 can improve the space that filter core 5 can be compressed, melt blown fabric layer 53 can filter the great granule impurity of particle size in the air, non-woven fabrics layer 54 has the effect of absorbing water, reduce the moisture in the expired mouth gas and enter into the inside probability of filter core 5, play the guard action to filter core 5.
Referring to fig. 1, the edge of the air inlet 12 of the mask portion 1 is fixedly provided with a sealing gasket 14, the sealing gasket 14 is of a sheet structure, the sealing gasket 14 is made of rubber, when a user wears the mask portion 1 on the face, the sealing gasket 14 enables the mask portion 1 to be attached to the face of the user more tightly, and therefore the sealing performance between the mask portion 1 and the face of the user is improved, and the filtering effect of the filtering component 2 is improved.
Referring to fig. 1, the side sealing plate 11 of the mask portion 1 is provided on the outer side surface thereof with a plurality of fixing rings 15, in this embodiment, four fixing rings 15 are provided, the four fixing rings 15 are respectively provided on the outer surfaces of the four side sealing plates 11, the headband assembly 4 includes a top band 41 and a neck band 42, the top band 41 and the neck band 42 are both of an elongated band-shaped structure and have elasticity, both ends of the top band 41 are respectively fixedly connected to two adjacent fixing rings 15, two ends of the neck strap 42 are respectively and fixedly connected with the other two adjacent fixing rings 15, the top strap 41 is integrally provided with a limit strap 411, the limit strap 411 is also in a strip-shaped structure and has elasticity, two ends of the limit strap 411 are both connected with the top strap 41, when a user wears the mask, the top band 41 is wound around the brain, the limit band 411 is pressed against the top of the head, and the neck band 42 is wound around the neck, so that the mask part 1 can be firmly worn on the face.
The implementation principle of a mask structure in the embodiment of the application is as follows: when the user wears mask portion 1 on the face and breathes in, the air gets into from the tip that connecting sleeve 21 deviates from air inlet 13, after the prefilter of filter core 5, can receive the secondary filter in the mating holes 241 entering cartridge filter 23 on the rotor plate 24, because the filtering material that fills in the cartridge filter 23 is inequality, consequently, mating holes 241 corresponds with the position of the cartridge filter 23 of difference time, the effect that the secondary filter played is also inequality, the user of service can drive rotor plate 24 through promoting driving lever 242 and rotate, thereby switch the mating holes 241 that correspond with mating holes 241, in order to reach the purpose that realizes different filtering capability.
The embodiment of the application also discloses a production method of the mask structure, which is used for producing the mask structure and comprises the following steps:
s1, molding the mask part 1, and welding the side sealing plates 11 to each other to form a cylindrical mask part 1;
s2, welding the connecting sleeve 21 at the air inlet 13 of the mask part 1, and sealing the connecting part of the connecting sleeve 21 and the mask part 1 in a seamless way;
s3, welding the filter cartridge 23 and the filter plates 22 to enable the two ends of the filter cartridge 23 to respectively correspond to the filter holes 221 on the two filter plates 22;
s4, welding the whole formed by the filter cartridge 23 and the filter plate 22 inside the connecting sleeve 21, and sealing the filter plate 22 and the inner wall of the connecting sleeve 21 seamlessly;
s5, slotting, and slotting an arc-shaped rotating slot 211 on the side wall of the filter cylinder 23;
s6, installing the rotating plate 24 in the connecting sleeve 21, and making the deflector rod 242 pass through the rotating groove 211, so that the rotating plate 24 is attached to the filter plate 22;
s7, welding the limit ring 25 in the connecting sleeve 21, sealing the outer ring of the limit ring 25 and the inner wall of the connecting sleeve 21 in a seamless manner, and attaching the limit ring 25 to the rotating plate 24;
s8, the filter element 5 penetrates through the opening of the connecting sleeve 21, which is far away from the air inlet 13, so that the filter element 5 is pressed against the limiting ring 25;
s9, forming threads on the outer wall of the connecting sleeve 21, screwing the adjusting sleeve 31 on the connecting sleeve 21, and enabling the baffle ring 32 to abut against the filter element 5;
s10, the fixing ring 15 is welded to the side seal plate 11, and the end portions of the top band 41 and the neck band 42 are fixed to the fixing ring 15.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a mask structure, includes face cover portion (1), installs filtering component (2) on face cover portion (1), still includes bandeau subassembly (4), its characterized in that: the mask part (1) is provided with an air suction port (12) and an air inlet (13), the filter component (2) comprises a connecting sleeve (21) with openings at two ends, and one opening of the connecting sleeve (21) is fixedly connected with the edge of the air inlet (13) in a seamless manner;
the filter assembly (2) further comprises two filter plates (22) fixed inside the connecting sleeve (21), the filter plates (22) are seamlessly sealed with the inner wall of the connecting sleeve (21), each filter plate (22) is provided with at least two filter holes (221), the filter assembly (2) further comprises a filter cartridge (23) fixed between the two filter plates (22), the number of the filter cartridges (23) is the same as that of the filter holes (221) on a single filter plate (22), openings are formed in the two ends of each filter cartridge (23), and the two ends of each filter cartridge (23) are respectively fixed with the edges of the two filter holes (221) of different filter plates (22) in a seamless sealing manner;
the filter assembly (2) further comprises a rotating plate (24) which is rotatably connected in the connecting sleeve (21), the rotating plate (24) is provided with matching holes (241) which can correspond to different filter holes (221) along with the rotation of the rotating plate (24), the rotating plate (24) is attached to the filter plate (22) which deviates from the air suction port (12), and the rotating plate (24) and the inner wall of the connecting sleeve (21) are sealed in a seamless mode.
2. A mask structure according to claim 1, wherein: the side wall of the connecting sleeve (21) is provided with a through rotating groove (211), the rotating plate (24) is fixedly provided with a shifting lever (242), and the shifting lever (242) penetrates through the rotating groove (211) and extends to the outside of the connecting sleeve (21).
3. A mask structure according to claim 2, wherein: the inner wall of the connecting sleeve (21) is fixedly provided with a limiting ring (25), the limiting ring (25) is of a plate-shaped structure, and the limiting ring (25) is attached to the surface of the rotating plate (24) deviating from the air suction port (12).
4. A mask structure according to claim 3, wherein: the connecting sleeve (21) is a cylinder, the filter plate (22) is a circular plate, the filter holes (221) are circular holes, and the six filter holes (221) are uniformly distributed at equal intervals along a circumferential path around the circle center of the filter plate (22);
the rotating plate (24) is a circular plate with the diameter equal to that of the filter plate (22), three matching holes (241) are formed in the rotating plate (24), the diameter of each matching hole (241) is equal to that of each filter hole (221), and the three matching holes (241) are evenly distributed around the circle center of the rotating plate (24) at equal intervals along a circumferential path.
5. A mask structure according to claim 4, wherein: the adjusting component (3) is mounted on the connecting sleeve (21), the adjusting component (3) comprises an adjusting sleeve (31), the adjusting sleeve (31) is a cylinder with openings at two ends, an opening at one end of the adjusting sleeve (31) is connected to the connecting sleeve (21) through a thread, and a baffle ring (32) is mounted at an opening of the adjusting sleeve (31) deviating from the connecting sleeve (21);
the filter element (5) penetrates through the connecting sleeve (21), one end of the filter element (5) abuts against the limiting ring (25), and the other end of the filter element abuts against the blocking ring (32).
6. A mask structure according to claim 5, wherein: the filter element (5) comprises an activated carbon layer (51), a sponge layer (52), a melt-blown fabric layer (53) and a non-woven fabric layer (54) which are mutually overlapped.
7. A mask structure according to any one of claims 1-6, wherein: a sealing gasket (14) is fixedly arranged at the edge of the air suction port (12) of the mask part (1).
8. A mask structure according to claim 5 or 6, wherein: the mask comprises a mask body (1), wherein a plurality of fixing rings (15) are arranged on the mask body, the headband assembly (4) comprises a top band (41) and a neck band (42), two ends of the top band (41) are respectively fixed on the two fixing rings (15), and two ends of the neck band (42) are respectively fixedly connected to the other two fixing rings (15).
9. A mask structure according to claim 5 or 6, wherein: and a filter screen (33) is fixedly arranged on the inner ring of the baffle ring (32).
10. A method of manufacturing a mask structure for use in manufacturing a mask structure according to claim 8, comprising the steps of:
s1, fixing the connecting sleeve (21) at the air inlet (13) of the mask part (1) to enable the connecting part of the connecting sleeve (21) and the mask part (1) to be sealed in a seamless mode;
s2, fixing the filter cartridge (23) and the filter plates (22) to ensure that the two ends of the filter cartridge (23) respectively correspond to the filter holes (221) on the two filter plates (22);
s3, fixing the whole formed by the filter cartridge (23) and the filter plate (22) in the connecting sleeve (21) to make the filter plate (22) and the inner wall of the connecting sleeve (21) sealed in a seamless way;
s4, slotting, and slotting an arc-shaped rotating slot (211) on the side wall of the filter cylinder (23);
s5, installing the rotating plate (24) in the connecting sleeve (21), and enabling the deflector rod (242) to penetrate through the rotating groove (211) to enable the rotating plate (24) to be attached to the filter plate (22);
s6, fixing the limit ring (25) in the connecting sleeve (21), sealing the outer ring of the limit ring (25) and the inner wall of the connecting sleeve (21) in a seamless manner, and attaching the limit ring (25) to the rotating plate (24);
s7, the filter element (5) penetrates through the opening of the connecting sleeve (21) deviating from the air inlet (13), and the filter element (5) is abutted against the limiting ring (25);
s8, forming threads on the outer wall of the connecting sleeve (21), screwing the adjusting sleeve (31) on the connecting sleeve (21) and enabling the baffle ring (32) to abut against the filter element (5);
s9, a fixing ring (15) is mounted on the connecting sleeve (21), and the ends of the top band (41) and the neck band (42) are fixed on the fixing ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556031.7A CN112535331B (en) | 2020-12-25 | 2020-12-25 | Mask structure and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556031.7A CN112535331B (en) | 2020-12-25 | 2020-12-25 | Mask structure and production method thereof |
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| Publication Number | Publication Date |
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| CN112535331A true CN112535331A (en) | 2021-03-23 |
| CN112535331B CN112535331B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011556031.7A Active CN112535331B (en) | 2020-12-25 | 2020-12-25 | Mask structure and production method thereof |
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| CN111329160A (en) * | 2020-04-24 | 2020-06-26 | 深圳市华医安全医疗科技有限公司 | Combined protective mask |
| CN211153922U (en) * | 2019-11-05 | 2020-08-04 | 丁灵芝 | Internal medicine clinical breathing disinfection filter equipment |
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| JP2007000400A (en) * | 2005-06-24 | 2007-01-11 | Koken Ltd | Filter unit |
| US20120325221A1 (en) * | 2011-06-24 | 2012-12-27 | Thong Quoc Tran | Lightweight Respirator |
| CN206433825U (en) * | 2017-01-19 | 2017-08-25 | 广东必达医疗科技有限公司 | A kind of dust-proof perfuming formula mouth mask |
| CN206837260U (en) * | 2017-03-28 | 2018-01-05 | 深圳益火科技有限公司 | A kind of mask |
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| Publication number | Publication date |
|---|---|
| CN112535331B (en) | 2023-12-01 |
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