CN111557507A - Protective mask with breather valve - Google Patents
Protective mask with breather valve Download PDFInfo
- Publication number
- CN111557507A CN111557507A CN202010464506.3A CN202010464506A CN111557507A CN 111557507 A CN111557507 A CN 111557507A CN 202010464506 A CN202010464506 A CN 202010464506A CN 111557507 A CN111557507 A CN 111557507A
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- valve
- mask
- liquid storage
- breather
- flange
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
-
- 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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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/02—Valves
Abstract
The invention relates to a sanitary protective article, and particularly discloses a protective mask with a breather valve.A mask body is fixed with two liquid storage bags with disinfectant sealed inside, and is provided with the breather valve through an installation hole; the breather valve is formed by combining a valve body, a valve plate and a valve cap; the valve body is provided with a first flange, a valve bottom and a fixing hole; the valve cap is provided with a second flange, a concave hole, a pricking pin, a pressing platform and a fixing pin; the pricking pin is used for pricking the liquid storage bag; after the breather valve is combined, the valve body penetrates through the mounting hole, the valve bonnet is sleeved outside the valve body, the mask body is clamped tightly by the first flange and the second flange, and the valve plate is tightly pressed by the pressing table and tightly attached to the front side of the valve bottom. This protective facial mask convenient to use is swift, and the protection is more comprehensive, and the secondary pollution that reducible abandonment protective facial mask caused, breather valve change convenient and fast, and the leakproofness is better, and use cost is lower, and is good to respiratory infectious disease's protective effect, especially uses in respiratory infectious disease fashion period, and the combined effect is more outstanding.
Description
Technical Field
The invention relates to a medical protective article, in particular to a protective mask.
Background
The protective mask is a respiratory protection article aiming at preventing the spread of certain respiratory infectious microorganisms and protecting the health, and particularly has an important function on the prevention of respiratory infectious diseases in the circulation period, and the respiratory valve protective mask is additionally provided with a respiratory valve on the basis of a common protective mask so as to be beneficial to the quick discharge of exhaled damp and hot gas and improve the breathing smoothness. The existing protective mask with the breathing valve is generally composed of a mask body, a nose clip fixed at the upper end of the mask body, elastic bands connected to two sides of the mask body and the breathing valve arranged on the mask body. Specifically, the method comprises the following steps:
firstly, the existing protective mask can effectively cut off the air transmission channel of pathogens, but the main transmission path of a plurality of pathogens is not only limited to air transmission but also comprises contact transmission, and obviously, the existing protective mask is 'useless' for the contact transmission of the pathogens; more importantly, pathogens in the air can be adsorbed in the protective mask during use, and the protective mask is easily contacted with the pathogens during the process of taking off the protective mask, namely, the probability of contact transmission is increased to a certain extent during use of the protective mask; although the risk of infection can be reduced by means of protection means such as thorough cleaning or disinfection treatment of hands after the mask is removed, the conditions for implementing the means such as cleaning and disinfection are often not met;
secondly, in the epidemic period of respiratory infectious diseases, a large amount of pathogens often exist in the used protective mask, theoretically, the protective mask should be treated in a medical waste mode, and when the protective mask does not have the treatment conditions, the protective mask should be disinfected as necessary and then discarded to prevent secondary pollution; but for ordinary people, the used protective mask is usually discarded as ordinary garbage under the influence of factors such as self quality, epidemic prevention consciousness, thought consciousness or treatment condition limitation, and the like, pathogens in the protective mask can breed and continue to be transmitted through other ways, and great potential safety hazards exist; especially, when the epidemic situation is serious, the consumption amount of the protective mask is huge, and the protective mask which is directly discarded without being processed can cause serious pollution, which is not beneficial to the prevention and control of the epidemic situation.
Thirdly, the service lives of the mask surface body and the breathing valve in the breathing valve protective mask are different, the service life of the breathing valve is usually long, if the breathing valve is discarded together with the mask surface body every time, certain resource waste is caused, and the use cost is also increased; aiming at the situation, a plurality of breather valve protective masks at present adopt the design that the breather valve can be disassembled and assembled, and one breather valve is matched with a plurality of protective masks to be used, but the problem that the arrangement structure of the breather valve is not reasonable enough, and in addition, the breather valve is installed by a user, so that the breather valve is difficult to ensure to reach the expected tight effect with the mask surface body, and the protective effect of the protective masks is greatly influenced.
Disclosure of Invention
In order to overcome the technical problems, the invention provides the protective mask with the breather valve, which has a scientific and reasonable structure, is matched with disinfectant to ensure more comprehensive protection, can effectively reduce the infection probability of pathogens, and can have obvious positive effects on prevention and control of epidemic situations when being used in the epidemic period of respiratory infectious diseases.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a protective mask with a breather valve comprises a mask surface body, wherein an elastic band for fixing the mask surface body on the face of a user and a nose clip for improving the attaching tightness of the upper end of the mask surface body and the nose bridge of the user are arranged on the mask surface body; the mask surface body is provided with a mounting hole, and the mounting hole is provided with a detachable breather valve; the method is characterized in that: two liquid storage bags which can be taken down manually are fixed on the front side of the mask body, each liquid storage bag is provided with a closed containing cavity, and disinfectant is sealed in each containing cavity; the breather valve is formed by combining a valve body, a valve plate and a valve cap; the valve body is cylindrical and can tightly penetrate through the mounting hole, the rear end of the valve body is provided with a first flange which is used for abutting against the rear side of the mask body, a valve bottom is arranged in the valve body, the valve bottom is of a hollow structure, so that the front side and the rear side of the valve bottom are communicated, and the center of the valve bottom is provided with a fixing hole; the valve plate is in a wafer shape, is made of soft elastic materials, is provided with a central hole, and can be placed in the valve body and covers the front side of the valve bottom; the valve cap can be sleeved outside the valve body in a sealing manner from the front end of the valve body, the rear end of the valve cap is provided with a second flange which is used for abutting against the front side of the mask surface body, the front end of the valve cap is provided with a cap top, the valve cap or the cap top is provided with a vent hole, and the center of the cap top is provided with a rear concave part so that the center of the cap top forms a concave hole with only the front end opened; a pricking pin is arranged at the bottom of the concave hole, and one end of the liquid storage bag can extend into the concave hole and be pricked by the pricking pin; a truncated cone-shaped pressing table is arranged on the rear side of the rear concave part, a fixing pin which extends backwards and can penetrate through the central hole and the fixing hole is arranged on the rear side of the pressing table, and a locking part is arranged between the fixing pin and the fixing hole; the valve block is pressed tightly by the pressing table and clings to the front side of the valve bottom, and the fixing pin and the fixing hole are locked by the locking piece to ensure that the breather valve maintains the state; when exhaling, the valve plate is forced to move forward to make the valve in ventilation state, and when inhaling, the valve plate is tightly attached to the front side of the valve bottom to make the valve in cut-off state.
Further, the valve plate is made of silica gel.
Further, the second flange has the same outer diameter as the first flange.
Furthermore, the mask surface body is of a three-layer structure and sequentially comprises a non-woven fabric layer, a superfine polypropylene fiber melt-blown material layer and a sanitary gauze layer from front to back.
Furthermore, the two liquid storage bags and the mask surface body are bonded and fixed through the colloid.
Furthermore, a clamping seat is fixed on the front side of the mask surface body, and two clamping grooves for clamping the two liquid storage bags are formed in the clamping seat.
Furthermore, the valve body, the valve bottom and the first flange are integrally formed and made of plastic materials.
Furthermore, the valve cap, the cap top, the second flange and the fixing pin are integrally formed and made of plastic materials.
Furthermore, the disinfectant in the two liquid storage bags is different in type, the disinfectant in one liquid storage bag is a hand-washing-free disinfectant, and the disinfectant in the other liquid storage bag is a disinfectant for disinfecting articles.
Further, the puncture needle and the rear concave part are of an integral structure.
Compared with the prior art, the invention has the following technical effects:
the protective mask with the breather valve disclosed by the invention has the traditional mouth and nose protection function, and can effectively cut off the air transmission channel of pathogens; in addition, the protective mask is provided with the liquid storage bag in a mode of ingenious structure, simplicity and feasibility, convenient carrying and quick use; the user can efficiently and quickly disinfect the exposed parts such as hands, faces and the like by using the disinfectant in the liquid storage bag according to actual needs, so that the pathogens are prevented from being infected in a contact propagation mode, particularly, the hands can be thoroughly disinfected by using the disinfectant after the mask is taken off, the implementation of the disinfection mode is not limited by other objective conditions, and the comprehensive protection effect of the protective mask is greatly improved; after the protective mask is used up, the mask surface body can be disinfected by using the disinfectant in the carried liquid storage bag before being discarded, the operation before being discarded is easy to implement, convenient and quick, and excessive operation burden can not be brought to a user, so that the pretreatment mode before being discarded is easily accepted by the user and popularized to become a habit, and secondary pollution caused by directly discarding the protective mask can be reduced or even avoided; in the protective mask, the breather valve is based on a combined structural design, one breather valve can be matched with a plurality of mask surface bodies for use, the assembly is convenient and quick, the sealing performance of the joint of the breather valve and the mask surface bodies can be ensured, the use cost is lower, and the protective effect is better; simultaneously, based on the integrated configuration of breather valve, the valve block can be according to the convenient change of actual need, can further reduce this protective facial mask's average use cost. To sum up, this protective facial mask with breather valve convenient to use is swift, and the protection is more comprehensive, and the secondary pollution that reducible abandonment protective facial mask caused, breather valve change convenient and fast, the leakproofness is better, and use cost is lower, and is good to respiratory infectious disease's protecting effect, especially uses in respiratory infectious disease fashion, and the comprehensive effect is more outstanding, is favorable to the whole prevention and control of epidemic situation.
Drawings
Fig. 1 is a schematic view of the overall structure of the protective mask.
Fig. 2 is one of the schematic diagrams of the combination of the breather valve and the mask body.
Fig. 3 is a second schematic view of the combination of the breather valve and the mask body.
Fig. 4 is an exploded view of the breather valve and mask body.
Fig. 5 is a second exploded view of the structure of the breather valve and the mask body.
Fig. 6 is a sectional view of the combination of the breather valve and the mask body.
FIG. 7 is a schematic view of a configuration for piercing a reservoir with a needle.
Fig. 8 is a schematic structural view of the reservoir fixed to the front side of the mask body via the fastening seat.
Fig. 9 is a schematic structural diagram of a reservoir implemented based on a thin elastic tube.
Fig. 10 is a schematic structural view of the locking member implemented based on a non-return snap claw.
In the figure, 1, an elastic band, 2, a liquid storage bag, 3, a mask body, 301, a mounting hole, 302, a sanitary gauze layer, 303, an ultrafine polypropylene fiber melt-blown material layer, 304, a non-woven fabric layer, 4, a nose clip, 5, a breather valve, 501, a second flange, 502, a valve cap, 503, a cap top, 504, a vent hole, 505, a puncture needle, 506, a concave hole, 507, a back concave part, 508, a first flange, 509, a valve sheet, 510, a valve bottom, 511, a fixing pin, 512, a locking nut, 513, a valve body, 514, a central hole, 515, a fixing hole, 516, a pressing platform, 517, a check buckle claw, 6, a clamping seat, 601, a clamping groove, 7 and a fine elastic tube.
Detailed Description
Referring to fig. 1-7, the protective mask with a breather valve disclosed by the invention comprises a mask surface body 3, wherein an elastic band 1 and a nose clip 4 are arranged on the mask surface body 3, the elastic band 1 is used for fixing the mask surface body 3 on the face of a user, and the nose clip 4 is a plastic metal strip for improving the tightness of the fit between the upper end of the mask surface body 3 and the nose bridge of the user; the mask surface body 3 is provided with a round mounting hole 301 for penetrating the front and the rear of the mask surface body, and the mounting hole 301 is provided with a detachable breather valve 5; two liquid storage bags 2 are fixed on the front side of the mask surface body 3, the two liquid storage bags 2 can be manually taken down from the mask surface body 3 according to actual needs, the liquid storage bags 2 are provided with closed containing cavities, and disinfectant is sealed in the containing cavities; the breather valve 5 is formed by combining a valve body 513, a valve plate 509 and a valve cap 502, and can be disassembled and assembled as required; the valve body 513 is cylindrical and can tightly penetrate through the mounting hole 301 from back to front, and the rear end of the valve body 513 is provided with a first flange 508 which extends outwards and is used for abutting against the rear side of the mask body 3; a valve bottom 510 is arranged inside the valve body 513, the valve bottom 510 is of a hollow structure, so that the front side and the rear side of the valve bottom 510 are communicated, and a fixing hole 515 for penetrating the valve bottom 510 is further formed in the center of the valve bottom 510; the valve body 513, the valve bottom 510 and the first flange 508 are integrally formed and made of plastic materials; the valve plate 509 is in a shape of a circular disc, is made of a soft elastic material, preferably made of silica gel, and is provided with a center hole 514 at the center, and the valve plate 509 can be placed in the valve body 513 and covers the front side of the valve bottom 510; the bonnet 502 can be gradually sleeved outside the valve body 513 from the front end of the valve body 513 to the rear, the inner side wall of the bonnet 502 is in sealing fit with the outer side wall of the valve body 513, the rear end of the bonnet 502 is provided with a second flange 501 which extends outwards and is used for abutting against the front side of the mask surface body 3, the outer diameters of the second flange 501 and the first flange 508 are equal, the front end of the bonnet 502 is provided with a bonnet top 503, the bonnet 502 or the bonnet top 503 is provided with a vent hole 504, the center of the bonnet top 503 is provided with a rear concave part 507 so that the center of the bonnet top 503 forms a concave hole 506, and the concave hole 506 is blind hole-shaped, namely only the front end is open; a puncture needle 505 is arranged at the bottom of the concave hole 506, the puncture needle 505 and the rear concave part 507 adopt an integral structure, the tip of the puncture needle 505 faces forwards, and one end of the liquid storage bag 2 can extend into the concave hole 506 and be punctured by the puncture needle 505; a truncated cone-shaped pressing table 516 is arranged on the rear side of the rear concave part 507, a fixing pin 511 extending backwards is arranged on the rear side of the pressing table 516, the fixing pin 511 can penetrate through a central hole 514 of the valve plate 509 and a fixing hole 515 of the valve bottom 510, and a locking member for locking the positions of the fixing pin 511 and the fixing hole 515 is arranged between the fixing pin 511 and the fixing hole 515; the bonnet 502, the bonnet top 503, the second flange 501 and the fixing pin 511 are integrally formed and made of plastic materials; after the breathing valve 5 is assembled and arranged in the installation hole 301, the valve body 513 passes through the installation hole 301 of the mask body 3, the bonnet 502 is sleeved outside the valve body 513, the fixing pin 511 sequentially passes through the central hole 514 and the fixing hole 515, the mask body 3 between the first flange 508 and the second flange 501 is clamped by the first flange 508 and the second flange 501, the valve sheet 509 is pressed by the pressing table 516 to be tightly attached to the front side of the valve bottom 510, and the fixing pin 511 and the fixing hole 515 are locked by the locking piece, so that all parts in the breathing valve 5 maintain the related state; when wearing the mask body 3 to exhale, the air pressure behind the valve plate 509 is higher than the air pressure in the front side, the valve plate 509 is forced to move forward (lift) all around to make the breather valve 5 in the ventilation state, the exhaled air will pass through the valve bottom 510 and be discharged to the outside through the air vent 504, when breathing in, the air pressure in the front side of the valve plate 509 is higher than the air pressure in the rear side, the valve plate 509 will be further attached to the front side of the valve bottom 510 to make the breather valve 5 keep the cut-off state, namely, the outside air can not enter the rear side of the mask body 3 through the breather valve 5.
Referring to fig. 1, when the mask surface body 3 is implemented, the positions of the two liquid storage bags 2 and the breather valve 5 on the mask surface body 3 are reasonably adjusted to ensure that the arrangement of the components does not bring significant adverse effects on the performance of the mask surface body 3, such as the attaching effect with the human face, the wearing comfort and the like.
Referring to fig. 6 and 7, when the present invention is implemented, the setting length of the puncture needle 505 and the depth of the concave hole 506 are reasonably adjusted, so that the front end of the puncture needle 505 and the front end of the concave hole 506 keep a proper distance, on one hand, the concave hole 506 can play a necessary protection function, the puncture needle 505 is prevented from puncturing a user, the safety is improved, and meanwhile, the puncture needle 505 is prevented from being damaged by external force; on the other hand, it should be ensured that the puncture needle 505 can easily puncture the reservoir 2; in addition, because the felting needle 505 is arranged in the blind hole-shaped concave hole 506, the felting needle 505 is utilized to prick the liquid storage bag 2, the liquid storage bag 2 is pricked to be positioned in the concave hole 506, the instant disinfectant splashing to the mask surface body 3 when the liquid storage bag 2 is pricked can be avoided, especially the disinfectant is prevented from entering the breathing valve 5, the damage to the protection performance of the protection mask can not be caused when the disinfectant in the liquid storage bag 2 is taken, and the protection mask can still be continuously and normally used.
Referring to fig. 1, the protective mask with the breathing valve disclosed by the invention has no difference from the conventional protective mask in the wearing mode, has the traditional mouth and nose protection function, and can effectively cut off the air transmission channel of pathogens; in addition, this protective facial mask is equipped with two reservoir 2 through structure ingenious, simple and easy, convenient to carry, the mode of using swift, can use according to actual conditions is nimble.
Referring to fig. 1 and 7, in the using process of the protective mask with the breather valve, according to actual needs, a liquid storage bag 2 can be taken down from a mask surface body 3, one end of the liquid storage bag 2 is inserted into a concave hole 506 and pricked by using a pricking pin 505, after the liquid storage bag 2 is pierced, the internal disinfectant can be driven to be discharged in an extruding mode, so that high-efficiency and rapid disinfection can be performed on the exposed parts of the body such as the hands and the face, the pathogen is prevented from being infected through a contact propagation mode, particularly, the hand can be thoroughly disinfected by using the mode after the mask is taken down, the implementation of the disinfection mode is not limited by other objective conditions, the operation is convenient and rapid, and the comprehensive protection effect is greatly improved.
Referring to fig. 1 and 7, after the protective mask with the breather valve is used up, before the protective mask is discarded, the other liquid storage bag 2 is taken down, the pricking pin 505 is also adopted for pricking, the disinfectant in the liquid storage bag 2 is sprayed on the mask surface body 3, then the mask surface body 3 is folded and wound by the elastic band 1, and finally the protective mask is discarded, because the mask surface body 3 has certain adsorption and permeation capacity for the disinfectant, the disinfectant can be fully diffused, and the leakage of pathogens can be reduced when the mask surface body 3 is in a folded state, so that a better disinfection treatment effect can be achieved for the whole mask surface body 3; the operation before abandoning is easy to implement, convenient and fast, and can not bring excessive operation burden to users, so the pretreatment mode before abandoning is easily accepted by users and popularized to become a habit, thereby reducing or even avoiding the secondary pollution caused by directly abandoning the protective mask.
Referring to fig. 4-6, the breather valve 5 in the protective mask with the breather valve adopts a combined structural design, and can be disassembled from the mask surface body 3, and one breather valve 5 can be matched with a plurality of mask surface bodies 3 for use, so that the use cost of the protective mask is greatly reduced, and the resource waste is effectively avoided; when the breathing valve 5 is assembled on the mask surface body 3, the valve body 513 penetrates through the mounting hole 301 from back to front, the valve plate 509 is placed on the front side of the valve bottom 510 from the front end of the valve body 513, then the valve cap 502 is sleeved on the valve body 513 from front to back, the valve cap 502 is pushed to be close to the valve body 513, after the fixing pin 511 penetrates through the fixing hole 515, the fixing pin 511 and the fixing hole 515 are locked by the locking piece, the assembly of the breathing valve 5 is completed, and the breathing valve 5 can be detached from the mask surface body 3 by reverse operation; the assembling and disassembling operation of the breather valve 5 is convenient and rapid, time and labor are saved, and the breather valve 5 and the mask surface body 3 are tightly matched after being combined, so that the protective mask with the breather valve can realize better protective effect; simultaneously, in breather valve 5, valve block 509 belongs to the wearing parts for other parts, and its working life is shorter than other parts, and this breather valve 5 is based on the above-mentioned modular structure who adopts, and valve block 509 can be according to the convenient change of actual need, can further reduce this protective facial mask's average use cost.
Referring to fig. 1 and 6, the protective mask with the breather valve is convenient and rapid to use, more comprehensive in protection, capable of reducing secondary pollution caused by abandoned protective masks, convenient and rapid to replace the breather valve 5, good in sealing performance of the cooperation of the breather valve 5 and the mask surface body 3, low in use cost, good in protection effect on respiratory infectious diseases, especially used in the respiratory infectious disease epidemic period, more outstanding in comprehensive effect, beneficial to overall prevention and control of epidemic situations, and wide in market prospect.
Generally, after a protective mask is sprayed with disinfectant for disinfection, the protective performance of the protective mask is greatly reduced, and the protective mask is not suitable for wearing, but when respiratory infectious diseases are pandemic, the protective mask is in short supply as one of important epidemic prevention substances, and even a situation of 'one cover is difficult' occurs, under the situation, the mask body 3 is reused after being disinfected by using the disinfectant, and obviously, the protective mask is safer than a mask body directly exposed to the outside; this protective facial mask with breather valve can utilize the antiseptic solution in the reservoir 2 to carry out swift disinfection to the gauze mask face body 3 according to actual need in practical application, then continues to wear to it needs from time to solve.
Referring to fig. 6, in implementing the present invention, the mask surface body 3 may have different layered structures according to different application scenarios and protection levels, for example, the mask surface body 3 may have a three-layer structure, which includes a non-woven fabric layer 304, an ultra-fine polypropylene fiber melt-blown material layer 303, and a sanitary gauze layer 302 from front to back.
In the protective mask with the breather valve disclosed by the invention, the two liquid storage bags 2 are fixed at the front side of the mask surface body 3 and can be manually taken down from the mask surface body 3, the connection mode of the two liquid storage bags 2 and the mask surface body 3 has various choices and can be implemented by adopting the following two modes:
firstly, as shown in fig. 1, the two liquid storage bags 2 and the mask surface body 3 are bonded and fixed through colloid, the connection strength provided by the colloid is proper, the liquid storage bags 2 cannot be separated from the mask surface body 3 in the normal use process of the protective mask, but the liquid storage bags 2 can be manually separated from the mask surface body 3 when being taken;
secondly, as shown in fig. 8, a fastening seat 6 is fixed on the front side of the mask surface body 3, and two fastening grooves 601 for fastening the two liquid storage bags 2 are formed on the fastening seat 6; the matching tightness of the clamping groove 601 and the liquid storage bag 2 is proper, so that the liquid storage bag 2 cannot be easily separated from the clamping groove 601 when the protective mask is worn normally, and the liquid storage bag 2 can be taken out from the clamping groove 601 by artificial proper force.
When the invention is implemented, the disinfectant in the two liquid storage bags 2 is preferably different in type, and the disinfectant in one liquid storage bag 2 is a hand-washing-free disinfectant and is used for disinfecting the exposed parts of the body such as the hands, the faces and the like of a user more safely and effectively; and the disinfectant in the other liquid storage bag 2 is used for disinfecting articles, so that the mask surface body 3 can be disinfected with higher strength more specifically, and the disinfection effect is improved.
In the protective mask with the breather valve disclosed by the invention, the two liquid storage bags 2 are used as containers for sealing and storing the disinfectant, and the protective mask has various embodiments and can be implemented by adopting the following two modes:
first, as shown in fig. 1 and 7, the two liquid storage bags 2 are made of plastic materials and are in a capsule shape; the specific manufacturing method can refer to the processing technology of the liquid medicine bag in the mosquito-proof bracelet for children in the prior art; when the disinfection solution dispenser is used, after the puncture needle 505 punctures the liquid storage bag 2, the liquid storage bag 2 is squeezed by fingers, and then the disinfection solution in the liquid storage bag can be driven to be discharged.
Secondly, as shown in fig. 9, the two liquid storage bags 2 are formed by filling disinfection liquid into a cecum-shaped thin elastic tube 7 to an expanded state and then fastening the tube mouth, wherein the thin elastic tube 7 is made of rubber; when the liquid storage bag is used, after the puncture needle 505 is punctured in the liquid storage bag 2, the thin elastic tube 7 drives the internal disinfectant to be discharged through the elastic potential energy of the thin elastic tube 7, so that manual extrusion on the liquid storage bag 2 is not needed, and the liquid storage bag is more convenient and faster to use.
In the respirator with a breather valve disclosed by the invention, the locking piece is used for locking the fixing pin 511 and the fixing hole 515 so as to ensure that the components in the breather valve 5 can stably maintain the combined state, and the matching structure of the locking piece, the fixing pin 511 and the fixing hole 515 has various embodiments, and preferably adopts the following two modes:
firstly, as shown in fig. 4, 5 and 6, the locking member is a locking nut 512, the rear end of the fixing pin 511 is provided with an external thread matched with the locking nut 512, when the breather valve 5 is assembled and placed in the mounting hole 301, the locking nut 512 is sleeved on the fixing pin 511 and abuts against the rear end of the valve bottom 510 to prevent the fixing pin 511 from moving forward; meanwhile, the first flange 508 and the second flange 501 clamp the mask body 3, and the pressing table 516 and the valve bottom 510 press the valve plate 509 tightly, so that the fixing pin 511 cannot move backwards, and the technical purpose of locking the fixing pin 511 and the fixing hole 515 is achieved; when the components of the breather valve 5 are disassembled, the locking nut 512 is manually screwed off from the rear end of the fixing pin 511, namely, the locking effect of the locking nut 512 on the fixing pin 511 and the fixing hole 515 is released, and then the corresponding disassembling operation can be carried out;
secondly, as shown in fig. 10, the locking member is two check locking claws 517 which are arranged at the rear end of the fixing pin 511 and can elastically swing, when the rear end of the fixing pin 511 penetrates into the fixing hole 515, the two check locking claws 517 get close to the middle and can move in the fixing hole 515, and when the breathing valve 5 reaches the combined state, the two check locking claws 517 restore to the reset state and are locked at the rear edge of the fixing hole 515 to prevent the fixing pin 511 from moving forward; meanwhile, the first flange 508 and the second flange 501 clamp the mask body 3, and the pressing table 516 and the valve bottom 510 press the valve plate 509 tightly, so that the fixing pin 511 cannot move backwards, and the technical purpose of locking the fixing pin 511 and the fixing hole 515 is achieved; when each part of the breather valve 5 is disassembled, the two check buckle claws 517 are manually driven to approach to the middle, namely, the locking effect of the check buckle claws 517 on the fixing pin 511 and the fixing hole 515 is released, and then the corresponding disassembling operation can be carried out.
Referring to fig. 6 and 10, in the respirator with a breather valve according to the present invention, after the breather valve 5 and the respirator body 3 are assembled, in order to improve the tightness of the fit between the breather valve 5 and the respirator body 3 and the working stability of the breather valve 5, on one hand, the first flange 508 and the second flange 501 are required to clamp the respirator body 3, and on the other hand, the pressing platform 516 is required to press the valve plate 509 to the front side of the valve bottom 510; when the invention is implemented, the sizes of all parts in the breather valve 5 and the mask surface body 3 in the front and back directions are reasonably adjusted, and the processing precision is correspondingly improved in the manufacturing process, so that the technical requirements of the two aspects can be simultaneously met; in addition, the technical requirements of the two aspects can be realized more easily by adopting the following ways:
after the breather valve 5 is assembled and arranged in the mounting hole 301, the cap top 503 is in an elastic deformation state, and the cap top 503 applies backward thrust to the valve cap 502 through elastic potential energy so as to ensure that the second flange 501 and the first flange 508 clamp the mask surface body 3; the specific operation mode is that, the size of each part is reasonably debugged when the breather valve 5 is manufactured, when the breather valve 5 is combined with the mask surface body 3, the mask surface body 3 can be clamped firstly by the first flange 508 and the second flange 501, then in the process that the fixing pin 511 continues to move backwards, the cap top 503 is stretched to an elastic deformation state until the pressing table 516 presses the valve plate 509 on the front side of the valve bottom 510, the requirements of the two aspects can be more simply realized by adopting the mode, and meanwhile, the size precision requirement in the processing process of each part is reduced.
Claims (10)
1. A protective mask with a breather valve comprises a mask surface body, wherein an elastic band for fixing the mask surface body on the face of a user and a nose clip for improving the attaching tightness of the upper end of the mask surface body and the nose bridge of the user are arranged on the mask surface body; the mask surface body is provided with a mounting hole, and the mounting hole is provided with a detachable breather valve; the method is characterized in that: two liquid storage bags which can be taken down manually are fixed on the front side of the mask body, each liquid storage bag is provided with a closed containing cavity, and disinfectant is sealed in each containing cavity; the breather valve is formed by combining a valve body, a valve plate and a valve cap; the valve body is cylindrical and can tightly penetrate through the mounting hole, the rear end of the valve body is provided with a first flange which is used for abutting against the rear side of the mask body, a valve bottom is arranged in the valve body, the valve bottom is of a hollow structure, so that the front side and the rear side of the valve bottom are communicated, and the center of the valve bottom is provided with a fixing hole; the valve plate is in a wafer shape, is made of soft elastic materials, is provided with a central hole, and can be placed in the valve body and covers the front side of the valve bottom; the valve cap can be sleeved outside the valve body in a sealing manner from the front end of the valve body, the rear end of the valve cap is provided with a second flange which is used for abutting against the front side of the mask surface body, the front end of the valve cap is provided with a cap top, the valve cap or the cap top is provided with a vent hole, and the center of the cap top is provided with a rear concave part so that the center of the cap top forms a concave hole with only the front end opened; a pricking pin is arranged at the bottom of the concave hole, and one end of the liquid storage bag can extend into the concave hole and be pricked by the pricking pin; a truncated cone-shaped pressing table is arranged on the rear side of the rear concave part, a fixing pin which extends backwards and can penetrate through the central hole and the fixing hole is arranged on the rear side of the pressing table, and a locking part is arranged between the fixing pin and the fixing hole; the valve block is pressed tightly by the pressing table and clings to the front side of the valve bottom, and the fixing pin and the fixing hole are locked by the locking piece to ensure that the breather valve maintains the state; when exhaling, the valve plate is forced to move forward to make the valve in ventilation state, and when inhaling, the valve plate is tightly attached to the front side of the valve bottom to make the valve in cut-off state.
2. The protective mask with a breather valve according to claim 1, wherein: the valve block is made of silica gel.
3. The protective mask with a breather valve according to claim 1, wherein: the outer diameters of the second flange and the first flange are equal.
4. The protective mask with a breather valve according to claim 1, wherein: the mask body is of a three-layer structure and sequentially comprises a non-woven fabric layer, a superfine polypropylene fiber melt-blown material layer and a sanitary gauze layer from front to back.
5. The protective mask with a breather valve according to claim 1, wherein: the two liquid storage bags and the mask surface body are bonded and fixed through the colloid.
6. The protective mask with a breather valve according to claim 1, wherein: the front side of the mask surface body is fixed with a clamping seat, and the clamping seat is provided with two clamping grooves for clamping the two liquid storage bags.
7. The protective mask with a breather valve according to claim 1, wherein: the valve body, the valve bottom and the first flange are integrally formed and made of plastic materials.
8. The protective mask with a breather valve according to claim 1, wherein: the valve cap, the cap top, the second flange and the fixing pin are integrally formed and made of plastic materials.
9. The protective mask with a breather valve according to claim 1, wherein: the disinfectant in the two liquid storage bags is different in type, the disinfectant in one liquid storage bag is a hand-washing-free disinfectant, and the disinfectant in the other liquid storage bag is a disinfectant for disinfecting articles.
10. The protective mask with a breather valve according to claim 1, wherein: the puncture needle and the rear concave part are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464506.3A CN111557507B (en) | 2020-05-28 | 2020-05-28 | Protective mask with breather valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464506.3A CN111557507B (en) | 2020-05-28 | 2020-05-28 | Protective mask with breather valve |
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| CN111557507A true CN111557507A (en) | 2020-08-21 |
| CN111557507B CN111557507B (en) | 2022-01-14 |
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| CN202010464506.3A Active CN111557507B (en) | 2020-05-28 | 2020-05-28 | Protective mask with breather valve |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111557507B (en) | 2022-01-14 |
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Effective date of registration: 20211228 Address after: 257000 No.26 Fenghuangshan Road, Dongying District, Dongying City, Shandong Province Applicant after: DONGYING HONGXING LABOR SUPPLIES CO.,LTD. Address before: 253000 58 gongqingtuan Road, Decheng District, De Zhou City, Shandong Province Applicant before: Wang Tao |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Respirator with breather valve Effective date of registration: 20220927 Granted publication date: 20220114 Pledgee: Dongying Bank Co.,Ltd. Yanshan Road sub branch Pledgor: DONGYING HONGXING LABOR SUPPLIES CO.,LTD. Registration number: Y2022980016479 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20230921 Granted publication date: 20220114 Pledgee: Dongying Bank Co.,Ltd. Yanshan Road sub branch Pledgor: DONGYING HONGXING LABOR SUPPLIES CO.,LTD. Registration number: Y2022980016479 |