CN214630107U - Can replace transparent gauze mask of filter core - Google Patents
Can replace transparent gauze mask of filter core Download PDFInfo
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- CN214630107U CN214630107U CN202120763683.1U CN202120763683U CN214630107U CN 214630107 U CN214630107 U CN 214630107U CN 202120763683 U CN202120763683 U CN 202120763683U CN 214630107 U CN214630107 U CN 214630107U
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Abstract
The utility model relates to a gauze mask especially can medical gauze mask technical field, specifically disclose a can replace transparent gauze mask of filter core, include: the filter comprises a transparent cover body and a replaceable filter element I; the transparent cover body is provided with a hollow cavity capable of accommodating the mouth and nose area of the face; the transparent cover body is provided with a vent hole, and the replaceable filter element I is detachably arranged on the vent hole. The utility model can effectively identify the facial expression of the wearer when wearing the mask; the wearing comfort is higher and the protection leakproofness is good.
Description
Technical Field
The utility model relates to a gauze mask especially can medical gauze mask technical field, more specifically say, relate to a can replace transparent gauze mask of filter core.
Background
The mask is generally a device worn on the mouth and nose for filtering air entering and exiting from the mouth and nose so as to prevent harmful gas, smell and spray from entering and exiting from the mouth and nose of a wearer. Because of the current prevalence of new coronavirus, the mask becomes an essential article in the life of everyone, and the mask cuts off the virus propagation by establishing physical separation, thereby being an important defense line for protecting people from respiratory tract infection such as new coronavirus and the like.
The gauze mask commonly used at present mainly includes disposable medical gauze mask, medical surgery gauze mask, medical protective facial mask, particulate matter protective facial mask and protective mask etc. generally all can install the filter core in the gauze mask, and the filter core mainly used filters bacterium and filth in the air, and the filter core in the current gauze mask is direct after adsorbing more bacterium and filth and is traded the gauze mask, and the filter core in the gauze mask is inconvenient to be changed to the practicality of gauze mask has just been reduced.
To the gauze mask that can replace the filter core, the fixed slot of adoption, add the lid, set up filter core fixed mode such as breather valve, on the one hand the mouth nose can't guarantee the leakproofness with gauze mask contact department and whole travelling comfort is poor, and on the other hand the processing cost height of gauze mask leads to its price to be high at all, has restricted the application that can replace the filter core gauze mask, is unfavorable for resource saving and environmental protection.
Meanwhile, because the mask is worn, auditory handicapped people who read lip language to communicate cannot recognize facial expressions of the wearer, so that words expressed by the opposite party cannot be understood; when the mask is worn for security check, the security check work requiring face recognition cannot be completed under the condition that the mask is worn.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can replace transparent gauze mask of filter core is provided, can effectually discern the facial expression of wearing the person under the condition of wearing gauze mask.
The utility model provides a solution that technical problem adopted is:
in one aspect, a see-through mask with a replaceable filter element comprises: the filter comprises a transparent cover body and a replaceable filter element I;
the transparent cover body is provided with a hollow cavity capable of accommodating the mouth and nose area of the face; the transparent cover body is provided with a vent hole which is staggered with the right opposite side of the mouth and the nose; the replaceable filter element is detachably arranged on the vent hole.
The mask body is adopted to show the facial expression of a wearer, the vent holes are not arranged right opposite to the mouth and the nose and are staggered with the mouth and the nose, the replaceable filter element is effectively avoided, the display of the area blocking the mouth and the nose is effectively avoided, and therefore the situation that a hearing-impaired person or a mask needs to be taken down during security inspection is effectively avoided; the possibility of cross infection caused by taking off the mask under the above conditions is effectively reduced;
through replacing filter core detachably and installing on the air vent to the manufacturing cost of the translucent cover body and consumer's use cost have effectively been reduced, can realize facilitating the use through the used repeatedly of the translucent cover body and the simple and easy change of replacing filter core one.
The transparent cover and the replaceable filter element I are described in detail below, including adhesive, snap-fit connection, and threaded connection.
In some possible embodiments, in order to effectively realize the connection between the replaceable filter element I and the transparent cover body and improve the wearing tightness and comfort, the transparent cover body comprises a base provided with a hollow cavity and a vent hole, and a flexible surface body;
the base is also provided with a replaceable filter element-pasting part; one side of the body close to the face is provided with a mounting part of a veneer body;
the flexible veneer body is provided with a veneer side which can be attached to the mouth and nose area of the face and is arranged at the veneer body installation part of the base through a non-veneer side.
In some possible embodiments, in order to firmly connect the transparent cover body and the replaceable filter element, the first transparent cover body and the first replaceable filter element are connected in a buckling mode;
the transparent cover body comprises a base provided with a hollow cavity and an air vent, a flexible surface-mounted body and a buckle device which is detachably connected with the base and is used for installing a replaceable filter element I; the buckle device is provided with a through hole.
In some possible embodiments, a first boss is arranged on the fastening device, and a first clamping groove matched with the first boss is arranged on the base; in order to avoid air from directly entering the joint without filtering, a first sealing washer is arranged in the clamping groove.
In some possible embodiments, the transparent cover body and the replaceable filter element are connected in a threaded manner;
the transparent cover body comprises a base provided with a hollow cavity and an air vent, a flexible surface-mounted body, a clamping device which is connected with the base and used for installing a replaceable filter element I, and a threaded connecting part which is arranged on the clamping device and is of a hollow structure; and the inner side of the vent hole is provided with an internal thread connected with the threaded connecting part.
In some possible embodiments, the replaceable filter element one 4 is installed through a buckling device or a clamping device, so that the replaceable filter element one 4 is effectively prevented from falling off in the use process; the clamping device is the same as the clamping device in structure and comprises a main clamping buckle connected with the base and an auxiliary clamping buckle which is matched with the main clamping buckle and is positioned on one side, far away from the base, of the main clamping buckle.
In some possible embodiments, in order to enable the replaceable filter cartridge to be effectively mounted in the buckle or the clamping device, the main buckle is provided with a bonding part A for bonding with the replaceable filter cartridge.
In some possible embodiments, one side of the main buckle close to the auxiliary buckle is provided with an annular clamping groove for mounting a replaceable filter element I; the secondary buckle is provided with a second annular boss matched with the annular clamping groove.
The edge part of the first replaceable filter element is arranged on the annular clamping groove, and the edge part of the first replaceable filter element 4 is clamped in the annular clamping groove through the annular boss, so that the filter chip cannot fall off;
of course, the edge part of the first replaceable filter element can be bonded in the annular clamping groove and then clamped through the annular boss.
In some possible embodiments, the main buckle and the auxiliary buckle are provided with a plurality of through holes which are communicated with each other.
In some possible embodiments, the number of the vent holes is several, and the sum of the gas exchange areas of the several vent holes is 20-150cm2。
In some possible embodiments, the use of the transparent mask is prevented from being influenced by fog generated by the cold of a large amount of gas exhaled from the nose; the vent hole is positioned at the bottom of the base.
In some possible embodiments, the base is made of transparent rigid plastic; the flexible veneer body is made of silica gel, soft PVC or thermoplastic elastomer TPE/TPR; and a coating layer is arranged on the surface of the base.
In some possible embodiments, in order to improve the breathing smoothness of the wearer, the transparent cover body is provided with at least one-way breather valve.
In some possible embodiments, in order to effectively realize the connection of the flexible patch body with the base, the replaceable filter element I comprises an outer non-woven fabric layer, a melt-blown layer and an inner non-woven fabric layer, wherein the outer non-woven fabric layer, the melt-blown layer and the inner non-woven fabric layer are sequentially stacked from outside to inside; the weight of the replaceable filter element I is 15-50g/m2。
On the other hand, the preparation method of the transparent mask with the replaceable filter element specifically comprises the following steps:
processing the replaceable filter element I;
preparing a transparent cover body;
and (5) assembling the mask.
In some possible embodiments, the first replaceable filter element is manufactured by the following steps:
the heat seal of the outer non-woven fabric layer, the melt-blown layer and the inner non-woven fabric layer is realized through an ultrasonic heat seal process;
cutting a single replaceable filter element I4 meeting the shape and size requirements according to the shape of the replaceable filter element I;
according to the use requirement of the replaceable filter chip, an adhesive layer is arranged on the replaceable filter element I4.
The preparation of the transparent cover body specifically comprises the following steps:
injection molding of the base;
in some possible embodiments, the base is placed in another injection mold, and the flexible overlay body is subjected to injection molding, so that the transparent cover body substrate is manufactured.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can effectively identify the facial expression of the wearer without taking off the mask by arranging the transparent cover body, thereby being beneficial to the communication with hearing-impaired people; meanwhile, the fact that the mask needs to be taken down for identity verification during security inspection is effectively avoided; further avoiding the cross infection caused by taking off the mask under the above conditions;
the utility model effectively reduces the use cost of consumers by the detachable connection of the replaceable filter element I and the replaceable filter element II and the transparent cover body, and the user can replace the replaceable filter element I and the replaceable filter element II in the use process;
the utility model arranges the flexible surface-mounted body on one side of the transparent cover body close to the face, thereby effectively improving the wearing tightness and comfort;
the replaceable filter element II is arranged on the flexible surface body, so that the air is effectively prevented from directly entering the mouth and the nose from a gap between the flexible surface body and the face;
the utility model arranges the vent hole at the bottom of the base, so that the face of the wearer can be displayed to the greatest extent; meanwhile, the phenomenon that the use of the transparent mask is influenced by the fact that a large amount of gas exhaled by the nose is cooled to generate fog is avoided.
Drawings
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
fig. 2 is a schematic structural view of the first replaceable filter element and the second replaceable filter element of the present invention;
FIG. 3 is a schematic axial view of a transparent cover according to the present invention;
FIG. 4 is a schematic view of the connection relationship between the components of the present invention;
FIG. 5 is a schematic structural view of the present invention with the vent holes disposed at the bottom of the base and in an arc shape;
FIG. 6 is a schematic structural view of the replaceable filter element I connected to the base by a fastening means;
FIG. 7 is a schematic structural view of the middle base of the present invention having an air vent and a one-way breather valve;
wherein: 1. a flexible veneer body; 2. a base; 21. a vent hole; 3. hanging a belt; 4. the first filter element can be replaced; 41. an outer non-woven fabric layer; 42. a melt-blown layer; 43. an inner non-woven fabric layer; 44. an adhesive layer; 45. release paper; 5. a buckle device; 51. an auxiliary buckle; 52. a main buckle; 6. a one-way breather valve.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are described in detail and completely, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the drawings of the present invention, it should be understood that different technical features which are not mutually alternative are shown in the same drawing, and the embodiment described with reference to the drawings is not indicated or implied to include all the technical features in the drawings only for the convenience of simplifying the drawing description and reducing the number of drawings, and thus should not be understood as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be explained in detail below; as shown in figures 1-7 of the drawings,
in one aspect, a see-through mask with a replaceable filter element comprises: the transparent cover body and the replaceable filter element I4;
the transparent cover body is provided with a hollow cavity capable of accommodating the mouth and nose area of the face; the transparent cover body is provided with a vent hole 21, and the vent hole 21 is staggered with the right opposite face of the mouth and the nose; the replaceable filter element one 4 is detachably arranged on the vent hole 21.
The face expression of a wearer can be displayed by adopting the transparent cover body, the vent holes 21 are not arranged right opposite to the mouth and the nose and are staggered with the mouth and the nose, the display that the replaceable filter element I4 blocks the mouth and nose area is effectively avoided, and therefore the situation that a hearing-impaired person or a mask needs to be taken down during security inspection is effectively avoided; the possibility of cross infection caused by taking off the mask under the above conditions is effectively reduced;
the replaceable filter element I4 is detachably arranged on the air vent 21, so that viruses, bacteria, spray and the like in the air can be effectively isolated and filtered;
because the replaceable filter element I4 is detachably connected with the transparent cover body, the manufacturing cost of the transparent cover body and the using cost of a consumer are effectively reduced, and the convenient use can be realized through the repeated use of the transparent cover body and the simple replacement of the replaceable filter element I4.
The hollow cavity described herein is capable of accommodating at least the oronasal region of the face, although it may be suitably sized as required, to also cover the eyes within the hollow cavity, thus allowing air to enter the eyes;
the transparent cover and the replaceable filter element one 4 are described in detail below, including adhesive, snap-fit connection, and threaded connection.
In some possible embodiments, in order to effectively realize the connection of the replaceable filter element one 4 and the transparent cover body and improve the tightness and comfort of wearing, the transparent cover body comprises a base 2 provided with a hollow cavity and a vent hole 21, a flexible patch body 1;
the base 2 is also provided with a replaceable filter element I4 pasting part; one side of the body close to the face is provided with a mounting part of a veneer body; (the replaceable filter element can be pasted outside the transparent cover body and can also be pasted inside the transparent cover body)
The flexible veneer body 1 has a veneer side capable of being laminated with the mouth-nose area of the face, and is installed at the veneer body installation part of the base 2 through a non-veneer side.
Preferably, the base 2 and the flexible surface body 1 can be integrally formed or can be of a detachable structure;
when the integrated forming is adopted, the transparent cover body has good sealing performance, so that air is effectively prevented from directly entering the mouth and the nose;
in order to better store the transparent cover body, a detachable structure is adopted; therefore, the storage box for storing the transparent cover body is smaller and more convenient to carry.
When the flexible surface body 1 is detachably connected with the base 2, a first buckling part is arranged on the surface body installation part, and a second buckling part matched with the first buckling part is arranged on the flexible surface body 1; the first buckling part can be of a clamping groove structure or a boss structure, and the second buckling part can be of a boss structure or a clamping groove structure;
if, the first clamping part that sets up on the wainscot body installation department is the draw-in groove B that a plurality of interval set up in base 2, then flexible wainscot body 1 has the card arris that a plurality of interval set up correspondingly, when installing flexible wainscot body 1, can realize the installation with blocking the arris card in proper order into to draw-in groove B. However, the present invention is not limited to this, and the first fastening portion can be directly set as a continuous annular groove B, and the second fastening portion can be set as a continuous annular boss B.
In some possible embodiments, in order to firmly connect the transparent cover body and the replaceable filter element one 4, the transparent cover body and the replaceable filter element one 4 are connected in a buckling mode;
the transparent cover body comprises a base 2 provided with a hollow cavity and an air vent 21, a flexible surface body 1 and a buckle device 5 which is detachably connected with the base 2 and is used for installing a replaceable filter element I4; the buckle device is provided with a through hole.
In some possible embodiments, a first boss is arranged on the fastening device 5, and a first clamping groove matched with the first boss is arranged on the base 2; in order to avoid air from directly entering the joint without filtering, a first sealing washer is arranged in the clamping groove.
When the replaceable filter element is used, the boss I and the clamping groove I are matched to clamp the boss I and the clamping groove I, and the sealing washer arranged in the clamping groove I can effectively prevent air from directly entering the nose without passing through the replaceable filter element I4;
preferably, in order to further avoid the situation that the sealing is not in place, the first boss is wrapped by the third filter element, and even if the sealing performance is poor, air can enter the mouth and the nose after being filtered by the third filter element.
Preferably, the clamping groove is an annular clamping groove, and the boss is an annular boss.
In some possible embodiments, the transparent cover body and the replaceable filter element I4 are connected in a threaded manner;
the transparent cover body comprises a base 2 provided with a hollow cavity and an air vent 21, a flexible surface body 1, a clamping device which is connected with the base 2 and used for installing a replaceable filter element I4, and a threaded connecting part which is arranged on the clamping device and is of a hollow structure; the inner side of the vent hole 21 is provided with an internal thread connected with the threaded connection part.
Preferably, in order to achieve better sealing effect, the joint of the threaded connection part and the clamping device can also be socially used as a sealing gasket, so that air cannot directly enter the mouth and the nose from the joint of the threaded connection part and the vent hole 21.
In some possible embodiments, the replaceable filter element one 4 is installed through a buckling device 5 or a clamping device, so that the replaceable filter element one 4 is effectively prevented from falling off in the use process; as shown in fig. 6, the locking device 5 has the same structure as the locking device, and includes a main locking device 52 connected to the base 2, and an auxiliary locking device 51 cooperating with the main locking device 52 and located on a side of the main locking device 52 away from the base 2.
The specific shape of the clamping device or the fastening device 5 is not limited herein, and is mainly used for assembling the filterable chip one.
In some possible embodiments, in order to enable the replaceable filter cartridge 4 to be effectively installed in the snap-fit or clamping device, the main snap-fit 52 is provided with a bonding portion a (not shown) for bonding with the replaceable filter cartridge 4.
In some possible embodiments, a side of the main buckle 52 close to the auxiliary buckle 51 is provided with an annular clamping groove for installing the replaceable filter element I4; the secondary buckle 51 is provided with a second annular boss (not shown) which is matched with the annular clamping groove.
The edge part of the replaceable filter element I4 is arranged on the annular clamping groove, and the edge part of the replaceable filter element I4 is clamped in the annular clamping groove through the annular boss, so that the filter chip cannot fall off;
of course, the edge part of the replaceable filter element I4 can be bonded in the annular clamping groove and then clamped through the annular boss.
In some possible embodiments, as shown in fig. 6, the primary catch 52 and the secondary catch 51 are each provided with several through holes communicating with each other. One or more through holes may be provided; the main function of the through hole is to enable air to enter the mouth and the nose after being filtered by the replaceable filter element I4.
In some possible embodiments, in order to ensure that the filtered air can meet the breathing requirement of the wearer, the number of the vent holes 21 is several, and the sum of the gas exchange areas of the several vent holes 21 is 20-150cm2。
Preferably, in order to allow the wearer to show the face larger and to recognize it faster when in use, the sum of the gas exchange areas of the plurality of ventilation holes 21 is 20-70cm2。
Preferably, the gas exchange area of the single vent hole 21 is 8-20cm2。
In some possible embodiments, the use of the transparent mask is prevented from being influenced by fog generated by the cold of a large amount of gas exhaled from the nose; the vent 21 is located at the bottom of the base 2.
Preferably, as shown in fig. 5, the vent hole 21 at the bottom of the base 2 faces the outlet of the nose; the gas exhaled by the nose directly flows to the vent holes 21, and the filter layer can effectively absorb the generated water vapor and timely remove waste gas, so that the phenomenon that a large amount of exhaled gas generates fog when meeting cold and influences the use of the transparent mask is avoided.
As shown in fig. 5, the vent hole 21 is one, and the vent hole 21 is provided at the bottom of the base 2 to the maximum extent that the face of the wearer is displayed.
Preferably, the vent holes 21 at the bottom of the base 2 are arc-shaped; therefore, the filter element I4 can be effectively and conveniently processed, and meanwhile, the area of the filter layer can be increased, and the breathing resistance can be reduced.
In some possible embodiments, the base 2 is made of transparent rigid plastic; the flexible veneer body 1 is made of silica gel, soft PVC or thermoplastic elastomer TPE/TPR; and a coating layer is arranged on the surface of the base 2. Set up the coating film layer and be used for realizing antifog treatment to the translucent cover body, avoid the cover body to haze, influence normal use.
In some possible embodiments, as shown in fig. 6 and 7, in order to improve the breathing smoothness of the wearer, the transparent cover body is provided with at least one-way breather valve 6.
Preferably, the one-way breather valve 6 generally comprises a valve body and a valve plate, when the wearer exhales, the exhaled air can smoothly flow out of the mask through the one-way breather valve 6 and the filter element, but when the wearer inhales, the external air cannot enter the mask through the one-way breather valve 6 but can only enter the mask after being filtered by the filter element.
In some possible embodiments, as shown in fig. 2, in order to effectively realize the connection of the flexible skin 1 with the base 2, the replaceable filter element one 4 comprises an outer nonwoven fabric layer 41, a meltblown layer 42 and an inner nonwoven fabric layer 43, wherein the outer nonwoven fabric layer 41, the meltblown layer 42 and the inner nonwoven fabric layer 43 are sequentially stacked from outside to inside; the weight of the replaceable filter element I is 15-50g/m2。
Preferably, the weight of the replaceable filter element I is 15-35g/m2Under the condition of not influencing the filtering effect, the weight of the replaceable filter element I is lighter, the whole weight of the mask is reduced,
preferably, the outer nonwoven layer 41, the meltblown layer 42 and the inner nonwoven layer 43 are sealed to one another at their edges by ultrasonic welding. The melt-blown layer 42 has the functions of physical filtration and electrostatic adsorption filtration, and can effectively ensure the filtration function. Even, the replaceable filter element I4 and the replaceable filter element II can be directly manufactured based on the existing medical surgical mask, the shape is regular, the processing is simple, and the cost is effectively reduced.
In the utility model, the base 2 is provided with a hard body which is enclosed into a hollow cavity, and the hard body can have uniform or customized size, material, color and/or shape; therefore, the design and batch production can be carried out according to different sizes of children, teenagers, adults or males and females, the production cost is reduced, the customization of materials, colors and the like can be carried out according to the requirements of different crowds, and the individual differentiation and even the high-end differentiation are realized.
The utility model discloses well wainscot side is the one side of direct and facial contact, and non-wainscot side is the one side of keeping away from facial. Specifically, can set up the nose depressed part according to the nose characteristics at the wainscot side, can set up the mouth depressed part according to the mouth characteristics, can also set up face's arc portion according to the cheek characteristics, improve the whole laminating degree of flexible wainscot body 1 and face and then improve and wear the leakproofness.
Preferably, as shown in fig. 4, the number of the vent holes 21 is two, and the vent holes are symmetrically arranged along the central axis of the bridge of the nose in the vertical direction.
As shown in fig. 6, the number of the vent holes 21 is two, and the vent holes are symmetrically arranged along the central axis of the bridge of the nose in the vertical direction; the one-way breather valve 6 is one and is arranged at the bottom of the base 2.
When the number of the vent holes 21 is two, the number of the replaceable filter elements 4 is also two, and the replaceable filter elements are arranged in one-to-one correspondence with the vent holes 21.
In order to ensure the sealing performance of the flexible patch body 1 and the face and simultaneously avoid air from directly entering the mouth and the nose from a gap between the mask and the face; and a second replaceable filter element (not shown in the figure) which is detachably arranged on the surface side of the flexible surface body 1.
In some possible embodiments, as shown in fig. 2, in order to effectively realize the air filtration, the replaceable filter element one 4 and the replaceable filter element two are the same in structure; the replaceable filter element one 4 further comprises an adhesive layer 44 and a release paper 45, wherein the adhesive layer 44 is formed at a predetermined position on the inner side surface of the inner non-woven fabric layer 43, and the release paper 4545 is removably stacked on the adhesive layer 44.
Taking the replaceable filter element one 4 as an example, when the replaceable filter element one 4 is used, the release paper 45 is torn off and then is adhered to the corresponding position of the base 2.
The replaceable filter element I4 and the replaceable filter element II can be produced in batches according to the designed size and shape, sterilized and packaged for sale, and can be purchased and used by consumers.
Preferably, the size of the replaceable filter element I4 is larger than that of the vent hole 21, so that the direct filtering effect of the mask is effectively ensured, and the firmness of fixing the filter element is ensured;
preferably, the second replaceable filter element has a shape and a size capable of covering the facing side of the flexible facing body 1, so that air leaking from the inner side of the mask can be filtered under the electrostatic filtering and adsorbing effects of the second replaceable filter element, and the filtering effect and the sealing performance of the mask are further improved, and the wearing comfort level is improved.
Preferably, the material of the replaceable filter element two is the same as that of the replaceable filter element one 4.
In some possible embodiments, as shown in fig. 1 and 4, in order to effectively realize wearing of the mask; still including hanging area 3 that can realize ear-hang or head-hang, still be provided with the installation on the translucent cover body hang the area fixed part of hanging of taking 3, hang 3 detachably in the area and hang the area fixed part and be connected, hang 3 for two and hang 3 adjustable length in area or can not adjust.
Preferably, the hanging belt 3 can be made of materials such as silica gel, elastic plastic, nylon and the like.
On the other hand, the preparation method of the transparent mask with the replaceable filter element specifically comprises the following steps:
processing a replaceable filter element I4;
preparing a transparent cover body;
and (5) assembling the mask.
In some possible embodiments, the replaceable filter element one 4 is manufactured, and specifically includes the following steps:
the heat seal of the outer non-woven fabric layer 41, the melt-blown layer 42 and the inner non-woven fabric layer 43 is realized through an ultrasonic heat seal process;
cutting a single replaceable filter element I4 meeting the shape and size requirements according to the shape of the replaceable filter element I4;
according to the use requirement of the replaceable filter chip, an adhesive layer is arranged on the replaceable filter element I4.
When the replaceable filter chip is installed in an adhesion mode, the adhesive layer is used for being matched with the adhesion part A to be adhered with the base.
For realizing the installation of the replaceable filter element I4 by adopting a buckling mode and a threaded connection mode, the adhesive layer 44 does not need to be arranged on the replaceable filter element I4.
Preferably, the adhesive layer 44 is an annular adhesive sheet.
For how to arrange the adhesive layer on the replaceable filter element I4, a manual sticking mode can be adopted, and the adhesive layer can also be realized by a labeling machine in the prior art;
during pasting, the adhesive layer 44 is placed on the conveyor belt of the labeling machine, the driving wheel of the labeling machine intermittently drags the roll-shaped adhesive sheet to move, the roll-shaped adhesive sheet is pulled out from the reel, and the adhesive sheet is pressed on the filter sheet through the labeling wheel of the labeling machine. In order to ensure that the sticking piece can be accurately pressed on the filter piece, a photoelectric sensing system is added on the labeling machine.
The preparation of the transparent cover body specifically comprises the following steps:
the base 2 is formed by injection molding;
and (3) placing the base 2 into another injection mold, and performing injection molding on the flexible surface body 1 to complete the manufacturing of the transparent cover body base body. The method is mainly used for preparing the integrally formed transparent cover body;
when the base 2 and the flexible surface body 1 are detachably connected, the base and the flexible surface body are separately injected.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (14)
1. A see-through mask with a replaceable filter element, comprising: the filter comprises a transparent cover body and a replaceable filter element I;
the transparent cover body is provided with a hollow cavity capable of accommodating the mouth and nose area of the face; the transparent cover body is provided with a vent hole which is staggered with the right opposite side of the mouth and the nose; the replaceable filter element is detachably arranged on the vent hole.
2. The see-through mask with the replaceable filter element according to claim 1, wherein the first transparent mask body is connected with the first replaceable filter element in an adhesion manner;
the transparent cover body comprises a base and a flexible surface-mounted body, wherein the base is provided with a hollow cavity and a vent hole;
the base is also provided with a replaceable filter element I pasting part for adhering the replaceable filter element I;
a veneer body mounting part is arranged on one side of the base close to the face;
the flexible veneer body is provided with a veneer side which can be attached to the mouth and nose area of the face and is arranged at the veneer body installation part of the base through a non-veneer side.
3. The see-through mask with the replaceable filter element according to claim 2, wherein the first transparent mask body and the first replaceable filter element are connected in a buckling manner;
the transparent cover body comprises a base provided with a hollow cavity and an air vent, a flexible surface-mounted body and a buckle device which is detachably connected with the base and is used for installing a replaceable filter element I; the buckle device is provided with a through hole.
4. The see-through mask with the replaceable filter element according to claim 3, wherein the first boss is arranged on the fastening device, and the first clamping groove matched with the first boss is arranged on the base; and a first sealing washer is arranged in the clamping groove.
5. The see-through mask with the replaceable filter element according to claim 2, wherein the first transparent mask body and the first replaceable filter element are connected in a threaded manner;
the transparent cover body comprises a base provided with a hollow cavity and an air vent, a flexible surface-mounted body, a clamping device which is connected with the base and used for installing a replaceable filter element I, and a threaded connecting part which is arranged on the clamping device and is of a hollow structure; and the inner side of the vent hole is provided with an internal thread connected with the threaded connecting part.
6. The mask according to claim 3, wherein the fastening means and the fastening means have the same structure, and each of the fastening means and the fastening means comprises a main fastening connected to the base and an auxiliary fastening engaged with the main fastening and located on a side of the main fastening away from the base.
7. The mask according to claim 6, wherein the main clip has a bonding portion A for bonding with the replaceable filter element.
8. The see-through mask with the replaceable filter element according to claim 6 or 7, wherein an annular clamping groove for mounting the first replaceable filter element is formed in one side, close to the auxiliary buckle, of the main buckle; the secondary buckle is provided with a second annular boss matched with the annular clamping groove.
9. The see-through mask with the replaceable filter element according to claim 6, wherein the main buckle and the auxiliary buckle are provided with a plurality of through holes communicated with each other.
10. The see-through mask with a replaceable filter element according to claim 6, wherein the number of the vent holes is several, and the sum of the gas exchange areas of the vent holes is 20-150cm2。
11. The mask of claim 10 wherein the vent is located at the bottom of the base.
12. The mask as claimed in claim 2, wherein the base is made of a transparent rigid plastic; the flexible veneer body is made of silica gel, soft PVC or thermoplastic elastomer TPE/TPR; and a coating layer is arranged on the surface of the base.
13. The see-through mask with a replaceable filter element according to claim 1, wherein the mask body is provided with at least one-way breather valve.
14. The mask of claim 1, wherein the first replaceable filter element comprises an outer nonwoven fabric layer, a meltblown layer and an inner nonwoven fabric layer, and the outer nonwoven fabric layer, the meltblown layer and the inner nonwoven fabric layer are sequentially stacked from outside to inside; the weight of the replaceable filter element I is 15-50g/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120763683.1U CN214630107U (en) | 2021-04-14 | 2021-04-14 | Can replace transparent gauze mask of filter core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120763683.1U CN214630107U (en) | 2021-04-14 | 2021-04-14 | Can replace transparent gauze mask of filter core |
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| Publication Number | Publication Date |
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| CN214630107U true CN214630107U (en) | 2021-11-09 |
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| CN202120763683.1U Active CN214630107U (en) | 2021-04-14 | 2021-04-14 | Can replace transparent gauze mask of filter core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112956765A (en) * | 2021-04-14 | 2021-06-15 | 四川艾医生医疗科技有限公司 | Transparent mask with replaceable filter element and preparation method |
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2021
- 2021-04-14 CN CN202120763683.1U patent/CN214630107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112956765A (en) * | 2021-04-14 | 2021-06-15 | 四川艾医生医疗科技有限公司 | Transparent mask with replaceable filter element and preparation method |
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Denomination of utility model: A transparent mask with replaceable filter element Granted publication date: 20211109 Pledgee: Chengdu Zhengxin Financing Guarantee Co.,Ltd. Pledgor: SICHUAN AIYISHENG MEDICAL TECHNOLOGY CO.,LTD. Registration number: Y2024980029002 |