CN112535331B - Mask structure and production method thereof - Google Patents
Mask structure and production method thereof Download PDFInfo
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- CN112535331B CN112535331B CN202011556031.7A CN202011556031A CN112535331B CN 112535331 B CN112535331 B CN 112535331B CN 202011556031 A CN202011556031 A CN 202011556031A CN 112535331 B CN112535331 B CN 112535331B
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- filter
- connecting sleeve
- plate
- rotating plate
- holes
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 3
- 239000010410 layer Substances 0.000 description 31
- 230000000694 effects Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 230000001954 sterilising effect Effects 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000013011 mating Effects 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011247 coating layer Substances 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
- 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
- 230000001788 irregular Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- -1 smell Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
Landscapes
- 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 filter assembly arranged on the mask part, the mask part is provided with an air suction port and an air inlet, the filter assembly comprises a connecting sleeve, and one opening of the connecting sleeve is in seamless fixed connection with the edge of the 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, filter holes are formed in the filter plates, the filter assembly further comprises filter cylinders fixed between the two filter plates, openings are formed in two ends of each filter cylinder, and two ends of each filter cylinder are respectively in seamless sealing fixation with edges of the two filter holes of different filter plates; the filter component further comprises a rotating plate which is rotationally connected in the connecting sleeve, and the rotating plate is provided with matching holes which can correspond to different filter holes along with the rotation of the rotating plate, and the rotating plate is in seamless sealing with the inner wall of the connecting sleeve. The application can realize different filtering functions of the mask.
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, and is generally worn on the mouth and nose to filter air entering the mouth and nose so as to achieve the effect of blocking harmful gases, smell, spray, viruses and other substances, and is made of gauze or paper and other materials. The mask has a certain filtering effect on air entering the lung, and has a very good effect when the mask is worn when the mask works in environments polluted by dust and the like during the flow of respiratory infectious diseases.
The common disposable medical mask has a simple structure and is used for a user to use once, for example, a mask disclosed in patent document with an authorized bulletin number of CN211185967U comprises a mask body, wherein the mask body comprises a surface layer, a sterilizing layer, a filter layer and a skin-friendly layer, the surface layer, the sterilizing layer, the filter layer and the skin-friendly layer are arranged in a laminated manner, the sterilizing layer and the filter 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 carrying out sterilization treatment on the air passing through the surface layer, the filter layer is used for carrying out filtration treatment on the air passing through the surface layer, and the skin-friendly layer is used for being in direct contact with the face of a human body; the ear strap, the both ends of ear strap are connected with the cover body respectively. 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 choose to wear masks with different materials and different filtration functions.
With respect to the above related art, the inventor believes that the above mask cannot change its filtering function according to different use environments, and thus cannot adapt to different use environments, and needs to be improved.
Disclosure of Invention
In order to enable the mask to realize 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 scheme:
the mask structure comprises a mask part, a filter assembly arranged on the mask part and a headband assembly, wherein the mask part is provided with an air suction port and an air inlet, the filter assembly comprises a connecting sleeve with two ends provided with openings, and one opening of the connecting sleeve is in seamless fixed connection with the edge of the air inlet; the filter assembly further comprises two filter plates fixed inside the connecting sleeve, the filter plates are sealed with the inner wall of the connecting sleeve in a seamless mode, 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 fixed with edges of two filter holes of different filter plates in a seamless mode respectively; the filter assembly further comprises a rotating plate which is rotatably connected in the connecting sleeve, the rotating plate is provided with a matching hole which can correspond to different filter holes along with the rotation of the rotating plate, the rotating plate is attached to the filter plate deviating 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 behind the face, and the absorptive gas gets into through the tip that connecting sleeve deviates from the air inlet, because can place different filter materials in the cartridge filter of difference, consequently rotates the rotor plate, makes the cooperation hole on the rotor plate rotate to the position corresponding with different cartridge filter, can switch the filtration of mask, makes the gauze mask realize different filtration.
Optionally, a through rotating groove is formed in the side wall of the connecting sleeve, a deflector rod is fixedly arranged on the rotating plate, and the deflector 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 pivoted panel through promoting the driving lever and rotate at the inside emergence of connecting sleeve, 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, limiting ring and filter have limited the position of rotor plate jointly, and the rotor plate only can rotate in the clearance between filter and the limiting plate to avoided rotor plate and filter mutually separate when rotating.
Optionally, the connecting sleeve is a cylinder, the filter plate is a circular plate, the filter holes are circular holes, and six filter holes are uniformly distributed around the center of the filter plate at equal intervals along a circumferential path; the rotary plate is a circular plate with the diameter equal to that of the filter plate, three matching holes are formed in the rotary plate, the diameters of the matching holes are equal to that of the filter holes, and the three matching holes are uniformly distributed around the center of the rotary plate along a circumferential path at equal intervals.
Through adopting above-mentioned technical scheme, the contained angle between six filtration pores on the filter is sixty degrees, and the contained angle between three mating holes on the rotor plate is one hundred twenty degrees, therefore the rotor plate can make mating holes and three different cartridge filter corresponding every time the rotor plate rotates sixty degrees, consequently can set up the central angle of rotor groove to sixty degrees and can limit two extreme positions of rotor plate at two different filtration states, convenient and fast more during the use.
Optionally, an adjusting component is installed on the connecting sleeve, the adjusting component comprises an adjusting sleeve, the adjusting sleeve is a cylinder with openings at two ends, an opening at one end of the adjusting sleeve is connected to the connecting sleeve through threads, and a baffle ring is installed at the opening of the adjusting sleeve, which is away from the connecting sleeve; and a filter element is arranged in the connecting sleeve 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, the filter core can carry out preliminary filtration to the air in the suction connecting sleeve to improve the purifying effect of air, and rotate and adjust the sleeve and can compress the filter core, the corresponding change that takes place of the inside microsize of filter core, thereby can adjust the filter core and make it adapt to the microscopic particle of equidimension to filter.
Optionally, the filter core includes active carbon layer, sponge layer, melt-blown cloth layer and non-woven fabrics layer that mutual overlap set up.
Through adopting above-mentioned technical scheme, the active carbon layer can adsorb harmful gas, reduces harmful gas to human damage, and the sponge layer has good elasticity, can provide great compression space for the filter core, melts the granular material in the spray coating layer can filter the air, and the non-woven fabrics layer can absorb the steam that produces when human breathes, plays the guard action to the filter core.
Optionally, a sealing pad is fixedly arranged at the edge of the air suction port of the mask part.
Through adopting above-mentioned technical scheme, when face guard portion was worn on the face, sealed pad can support on the face to improve the leakproofness between face guard portion and the face of the person, and then guarantee the protective effect of gauze mask.
Optionally, a plurality of fixing rings are arranged on the mask part, the headband assembly comprises a top belt and a neck belt, two ends of the top belt are respectively fixed on the two fixing rings, and two ends of the neck belt are respectively fixedly connected on the other two fixing rings.
Through adopting above-mentioned technical scheme, when using the personnel to wear the gauze mask, the brain can be walked around to the top area, and the neck can be walked around to the neck area, and top area and neck area all can set up to have elastic material to make the face guard portion can be more firm wear at the face of user.
Optionally, a filter screen is fixedly arranged on the inner ring of the baffle ring.
Through adopting above-mentioned technical scheme, when rotating adjusting sleeve and compressing the filter core, the filter screen can play the promotion effect to the filter core at adjusting sleeve's tip, reduces the degree of deformation that the filter core takes place in the fender ring inner circle department, guarantees the result of use of filter 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 a connecting sleeve at an air inlet of a mask part, and enabling a connecting part of the connecting sleeve and the mask part to be sealed in a seamless manner;
s2, fixing the filter cartridge and the filter plates, so that two ends of the filter cartridge correspond to the filter holes on the two filter plates respectively;
s3, fixing the whole formed by the filter cartridge and the filter plate in the connecting sleeve, and sealing the filter plate and the inner wall of the connecting sleeve in a seamless manner;
s4, grooving, namely forming an arc-shaped rotating groove on the side wall of the filter cartridge;
s5, installing the rotating plate in the connecting sleeve, enabling the deflector rod to pass through the rotating groove, and enabling the rotating plate to be attached to the filter plate;
s6, fixing the limiting ring in the connecting sleeve, enabling the outer ring of the limiting ring to be in seamless sealing with the inner wall of the connecting sleeve, and enabling the limiting ring to be attached to the rotating plate;
s7, penetrating the filter element from the opening of the connecting sleeve, which is far away from the air inlet, so that the filter element is propped against the limiting ring;
s8, forming threads on the outer wall of the connecting sleeve, screwing the adjusting sleeve on the connecting sleeve, and enabling the baffle ring to prop against the filter element;
s9, installing a fixing ring on the connecting sleeve, and fixing the end parts of the top belt and the neck belt 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 filtration function's purpose.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the user wears the mask part on the face, inhaled gas enters from the end part of the air inlet through the connecting sleeve, and different filter materials can be placed in different filter cylinders, so that the rotating plate is rotated, the matching holes on the rotating plate are rotated to positions corresponding to different filter cylinders, the filter function of the mask can be switched, and the mask can realize different filter functions;
2. the limiting ring and the filter plate limit the position of the rotating plate together, and the rotating plate can only rotate in a gap between the filter plate and the limiting plate, so that the rotating plate is prevented from being separated from the filter plate during rotation.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a cross-sectional view of the coupling sleeve and adjustment assembly.
Fig. 3 is a schematic exploded view of a filter assembly.
Fig. 4 is a schematic structural view of the filter element.
Reference numerals illustrate: 1. a mask portion; 11. a side sealing plate; 12. an air suction port; 13. an air inlet; 14. a sealing gasket; 15. a fixing ring; 2. a filter assembly; 21. a connecting sleeve; 211. a rotating groove; 22. a filter plate; 221. a filter hole; 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 limit belt; 42. a neck strap; 5. a filter element; 51. an activated carbon layer; 52. a sponge layer; 53. a meltblown layer; 54. a non-woven fabric layer.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a mask structure. Referring to fig. 1, the mask structure includes a mask portion 1, a filter assembly 2, and an adjusting assembly 3, and further includes a headband assembly 4, where the mask portion 1 includes a plurality of side seal plates 11 having straight edges and curved edges, in this embodiment, the side seal plates 11 are provided with four, the side seal plates 11 are metal plates, and the four side seal plates 11 are integrally connected to form an irregular cylindrical structure, and form two openings of the mask portion 1, where one opening is a rectangular air suction port 12, and the other opening is a circular air inlet 13, and an area of the air suction port 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 cylindrical shape 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, and the connection part of the connection sleeve 21 and the air inlet 13 is seamlessly sealed, the filter assembly 2 further includes two filter plates 22 fixed inside the connection sleeve 21, the filter plates 22 are circular plates and have the same diameter as the inner diameter of the connection sleeve 21, the filter plates 22 and the inner wall of the connection sleeve 21 are seamlessly sealed, the two filter plates 22 are mutually parallel and are provided with 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 six filter holes 221 are uniformly arranged along a circular path at equal intervals around the circle centers of the filter plates 22, the filter holes 221 on the two filter plates 22 are mutually corresponding, and the connecting lines of the circle centers of the two filter holes 221 are mutually parallel to the axis of the connection 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, wherein each of the two filter holes 221 corresponding to each other is connected with one of the filter cartridges 23, the filter cartridges 23 are cylinders with two open ends and have the same diameter as the filter holes 221, the edges of the openings of the filter cartridges 23 are seamlessly sealed and fixed at the edges of the filter holes 221, and different filter materials are placed in the filter cartridges 23 to enable different filter cartridges 23 to achieve different filtering 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 in seamless fit with the inner wall of the connection sleeve 21, the rotating plate 24 is disposed on the outer side of the filter plate 22 facing away from the air inlet 13, the surface of the rotating plate 24 is in fit with the surface of the filter plate 22, in addition, the surface of the rotating plate 24 is provided with a plurality of fitting holes 241 having the same shape as the filter holes 221, 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 made to correspond to the different filter holes 221 by rotating the rotating plate 24, so that air inhaled by a user can flow through the different filter cartridges 23.
Referring to fig. 2 and 3, a limiting ring 25 is fixedly provided on the inner wall of the connection 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 connection sleeve 21, the outer ring of the limiting ring 25 and the inner wall of the connection sleeve 21 are seamlessly sealed, and in addition, the limiting ring 25 is attached to the surface of the rotating plate 24, which faces away from the filter plate 22, so that the position of the rotating plate 24 is limited in a 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 be able 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 section of the connecting sleeve 21, and 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 deflector 242 is fixedly arranged at the edge of the rotating plate 24, the deflector 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 deflector 242, so that the matching holes 241 correspond 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 two open ends, an inner diameter of the adjusting sleeve 31 is identical to an outer diameter of the connecting sleeve 21, one end opening of the adjusting sleeve 31 is sleeved on an opening of the connecting sleeve 21 facing away from the mask portion 1, threads are provided on an outer wall of the connecting sleeve 21, which is close to the opening facing away from the mask portion 1, threads are also provided on an inner wall of the adjusting sleeve 31, 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 end opening of the adjusting sleeve 31 facing away from the connecting sleeve 21, the baffle ring 32 is in an annular plate-shaped structure, the baffle ring 32 is fixed at an edge of the opening of the adjusting sleeve 31, and an outer diameter of the baffle ring 32 is identical to an inner diameter of the adjusting sleeve 31.
Referring to fig. 2 and 3, a filter element 5 is disposed between the stop ring 25 and the stop ring 32, the filter element 5 has a cylindrical structure identical to the inner diameter of the connection sleeve 21, one end of the filter element 5 is abutted against the stop ring 25, the other end is abutted against the stop ring 32, and the relative position between the adjustment sleeve 31 and the connection sleeve 21 is changed by rotating the adjustment sleeve 31, so that the distance between the stop ring 32 and the stop ring 25 can be adjusted, thereby compressing the filter element 5, or recovering the filter element 5 under the elastic action, after the filter element 5 is compressed, the size of the internal microstructure thereof is correspondingly changed, thereby adjusting the size of particles which 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 on an inner ring of the baffle ring 32, the filter screen 33 is a mesh structure formed by a plurality of strip-shaped metal wires in a staggered manner, and the filter screen 33 abuts against an end portion of the filter core 5, so that when the adjusting sleeve 31 drives the baffle ring 32 to compress the filter core 5, the filter screen 33 can assist in pushing the end portion of the filter core 5, and the degree of deformation of the filter core 5 at the inner ring of the baffle ring 32 is reduced.
Referring to fig. 4, in this embodiment, the filter element 5 includes an activated carbon layer 51, a sponge layer 52, a melt-blown cloth layer 53 and a non-woven cloth layer 54 that are overlapped with each other, the activated carbon layer 51 can adsorb harmful gases in the air, the sponge layer 52 can increase the compressible space of the filter element 5, the melt-blown cloth layer 53 can filter impurities with larger particle size in the air, the non-woven cloth layer 54 has the effect of absorbing water, the probability of water in the exhaled breath entering the filter element 5 is reduced, and the filter element 5 is protected.
Referring to fig. 1, a sealing pad 14 is fixedly arranged at the edge of the air suction port 12 of the mask portion 1, the sealing pad 14 is of a sheet structure, the sealing pad 14 is made of rubber materials, when a user wears the mask portion 1 on the face, the sealing pad 14 enables the mask portion 1 to be more tightly attached to the face of the user, the tightness between the mask portion 1 and the face of the user is improved, and therefore the filtering effect of the filtering component 2 is improved.
Referring to fig. 1, a plurality of fixing rings 15 are provided on the outer side surface of the side seal plates 11 of the mask portion 1, in this embodiment, four fixing rings 15 are provided on the outer surfaces of the four side seal plates 11, the headband assembly 4 includes a top strap 41 and a neck strap 42, the top strap 41 and the neck strap 42 are both in a strip-shaped band-shaped structure and have elasticity, two ends of the top strap 41 are respectively fixedly connected to two adjacent fixing rings 15, two ends of the neck strap 42 are respectively fixedly connected to two other adjacent fixing rings 15, a limit strap 411 is integrally provided on the top strap 41, the limit strap 411 is also in a strip-shaped band-shaped structure and has elasticity, two ends of the limit strap 411 are connected to the top strap 41, when a user wears the mask, the top strap 41 bypasses the brain, the limit strap 411 abuts against the top of the head, and the neck strap 42 bypasses the neck, so that the mask portion 1 can be firmly worn on the face.
The implementation principle of the mask structure of the embodiment of the application is as follows: when a user wears the mask part 1 on the face to inhale, air enters from the end part of the connecting sleeve 21, deviating from the air inlet 13, after preliminary filtration of the filter element 5, the air can enter the filter cylinder 23 through the matching holes 241 on the rotating plate 24 to be subjected to secondary filtration, and as the filter materials filled in the filter cylinder 23 are different, when the positions of the matching holes 241 and the different filter cylinders 23 are corresponding, the effects of the secondary filtration are different, and the user can drive the rotating plate 24 to rotate by pushing the deflector 242, so that the matching holes 241 corresponding to the matching holes 241 are switched, and the purpose of realizing different filtering functions is achieved.
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, forming the mask part 1, and welding the side sealing plates 11 to form the cylindrical mask part 1;
s2, welding the connecting sleeve 21 at the air inlet 13 of the mask part 1, so that the connecting part of the connecting sleeve 21 and the mask part 1 is sealed in a seamless manner;
s3, welding the filter cylinder 23 and the filter plates 22, so that two ends of the filter cylinder 23 respectively correspond to the filter holes 221 on the two filter plates 22;
s4, integrally welding the filter cartridge 23 and the filter plate 22 inside the connecting sleeve 21 to enable the filter plate 22 and the inner wall of the connecting sleeve 21 to be sealed in a seamless manner;
s5, grooving, wherein an arc-shaped rotating groove 211 is formed in the side wall of the filter cartridge 23;
s6, mounting the rotating plate 24 in the connecting sleeve 21, and enabling the deflector 242 to pass through the rotating groove 211 so that the rotating plate 24 is attached to the filter plate 22;
s7, welding the limiting ring 25 in the connecting sleeve 21, enabling the outer ring of the limiting ring 25 to be in seamless sealing with the inner wall of the connecting sleeve 21, and enabling the limiting ring 25 to be attached to the rotating plate 24;
s8, penetrating the filter element 5 from the opening of the connecting sleeve 21, which is away from the air inlet 13, so that the filter element 5 is propped 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 core 5;
s10, welding a fixing ring 15 on the side sealing plate 11, and fixing the end parts of the top belt 41 and the neck belt 42 on the fixing ring 15.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. The utility model provides a gauze mask structure, includes face guard portion (1), installs filter component (2) on face guard 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 filtering component (2) comprises a connecting sleeve (21) with two ends provided with openings, and one opening of the connecting sleeve (21) is in seamless fixed connection with the edge of the air inlet (13);
the filter assembly (2) further comprises two filter plates (22) fixed inside the connecting sleeve (21), the filter plates (22) are sealed with the inner wall of the connecting sleeve (21) in a seamless mode, at least two filter holes (221) are formed in each filter plate (22), the filter assembly (2) further comprises filter cylinders (23) fixed between the two filter plates (22), the number of the filter cylinders (23) is the same as that of the filter holes (221) in each single filter plate (22), openings are formed in two ends of each filter cylinder (23), and two ends of each filter cylinder (23) are respectively sealed and fixed with edges of the two filter holes (221) of different filter plates (22) in a seamless mode;
the filter assembly (2) further comprises a rotating plate (24) 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 is away from the air suction port (12), and the rotating plate (24) is in seamless sealing with the inner wall of the connecting sleeve (21);
a limiting ring (25) is fixedly arranged on the inner wall of the connecting sleeve (21), 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);
the connecting sleeve (21) is a cylinder, the filter plate (22) is a circular plate, the filter holes (221) are circular holes, and six filter holes (221) are uniformly distributed around the center of the filter plate (22) at equal intervals along a circumferential path;
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 the filter hole (221), and the three matching holes (241) are uniformly distributed at equal intervals along a circumferential path around the center of the rotating plate (24);
an 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 two ends provided with openings, one end opening of the adjusting sleeve (31) is connected to the connecting sleeve (21) through threads, and a baffle ring (32) is mounted at the opening of the adjusting sleeve (31) deviating from the connecting sleeve (21);
a filter element (5) is arranged in the connecting sleeve (21) in a penetrating way, one end of the filter element (5) is propped against the limiting ring (25), and the other end is propped against the baffle ring (32);
different filter materials are placed in the filter cartridge (23).
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 deflector rod (242), and the deflector rod (242) penetrates through the rotating groove (211) and extends to the outside of the connecting sleeve (21).
3. A mask structure according to claim 1, wherein: the filter core (5) comprises an active carbon layer (51), a sponge layer (52), a melt-blown cloth layer (53) and a non-woven cloth layer (54) which are mutually overlapped.
4. A mask structure according to any one of claims 1-3, wherein: a sealing gasket (14) is fixedly arranged at the edge of the air suction port (12) of the mask part (1).
5. A mask structure according to claim 1, wherein: be provided with a plurality of solid fixed rings (15) on face guard portion (1), bandeau subassembly (4) are including top area (41) and neck area (42), and the both ends of top area (41) are fixed respectively on two solid fixed rings (15), and the both ends of neck area (42) are fixed connection respectively on two other solid fixed rings (15).
6. A mask structure according to claim 1, wherein: the inner ring of the baffle ring (32) is fixedly provided with a filter screen (33).
7. A method for producing a mask structure according to claim 5, comprising the steps of:
s1, fixing a connecting sleeve (21) at an air inlet (13) of a mask part (1), and enabling a connecting part of the connecting sleeve (21) and the mask part (1) to be sealed in a seamless manner;
s2, fixing the filter cartridge (23) and the filter plates (22) so that two ends of the filter cartridge (23) respectively correspond to 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), and sealing the filter plate (22) and the inner wall of the connecting sleeve (21) in a seamless manner;
s4, grooving, wherein an arc-shaped rotating groove (211) is formed in the side wall of the filter cartridge (23);
s5, mounting the rotating plate (24) in the connecting sleeve (21), and enabling the deflector rod (242) to pass through the rotating groove (211) so that the rotating plate (24) is attached to the filter plate (22);
s6, fixing the limiting ring (25) in the connecting sleeve (21), enabling the outer ring of the limiting ring (25) to be in seamless sealing with the inner wall of the connecting sleeve (21), and enabling the limiting ring (25) to be attached to the rotating plate (24);
s7, penetrating the filter element (5) from the opening of the connecting sleeve (21) deviating from the air inlet (13) to enable the filter element (5) to prop 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) to enable the baffle ring (32) to abut against the filter core (5);
s9, mounting a fixing ring (15) on the connecting sleeve (21), and fixing the end parts of the top belt (41) and the neck belt (42) 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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| CN112535331A CN112535331A (en) | 2021-03-23 |
| CN112535331B true 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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| JP2007000400A (en) * | 2005-06-24 | 2007-01-11 | Koken Ltd | Filter unit |
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| 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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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120325221A1 (en) * | 2011-06-24 | 2012-12-27 | Thong Quoc Tran | Lightweight Respirator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007000400A (en) * | 2005-06-24 | 2007-01-11 | Koken Ltd | Filter unit |
| 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 |
| CN211153922U (en) * | 2019-11-05 | 2020-08-04 | 丁灵芝 | Internal medicine clinical breathing disinfection filter equipment |
| CN111067167A (en) * | 2020-02-17 | 2020-04-28 | 张洪光 | Self-conversion type multipurpose mask and conversion use method thereof |
| 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 |
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| CN112535331A (en) | 2021-03-23 |
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