CN113662294A - Prevent side leakage ventilative type gauze mask - Google Patents

Abstract

An anti-side leakage air-permeable mask comprises a veneering cylindrical sealing soft rubber ring, a filtering back cover part and a wearing part, the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring is provided with a longitudinal V-shaped notch, the shape of the longitudinal V-shaped notch is matched with the shape of the cross section of the middle part of the nose bridge of the human face, the upper edge of the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring is attached to the middle part of the nose bridge of the human face, the lower edge of the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring is attached to the concave part between the lower lip and the chin of the human face, the whole opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring forms a three-dimensional annular curve to be attached to the face to surround the nostrils and the mouth, the filter layer of the cover part is transversely extended and arranged after filtering, and one part of the projection of the filter layer transversely extended and arranged in the longitudinal direction falls on the outer side of the annular curve of the front end surface of the veneering cylindrical sealing soft rubber ring and attached to the face.

Description

Prevent side leakage ventilative type gauze mask

Technical Field

The invention relates to a mask.

Background

The existing various masks, including medical surgical masks and N95 masks, have different side leakage conditions, and due to the side leakage, virus transmission infection is easily caused in indoor spaces of high-speed rails, airplanes, classrooms and other places where the masks are located for a long time. In addition, due to epidemic reasons, no matter doctors work or students are in class, the mask is not good in feeling of being sticky on the face for a long time, and the weather is more difficult, so that the mask is an obvious defect existing in the existing mask. In addition, the mask is difficult to bear for people with weak physical ability, such as the old, the children and the like, in high-speed railways, subways and classrooms when the mask is worn for a long time to overcome the breathing resistance.

Disclosure of Invention

The invention aims to provide a side leakage prevention breathable mask which can better control side leakage and is comfortable and relaxed to wear for a long time, aiming at the defects in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a side leakage prevention breathable mask comprises a veneering cylindrical sealing soft rubber ring, a filtering rear cover piece and a wearing piece, wherein a longitudinal V-shaped notch is arranged at the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring, the shape of the longitudinal V-shaped notch is matched with the shape of the cross section of the middle part of a nose bridge of a human face, when the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring faces to the face of a human body with the human middle point as the center and the longitudinal V-shaped notch is upwards matched with the middle part of the nose bridge of the human face, the upper edge of the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring is jointed with the middle part of the human face, the lower edge is jointed with a concave part between the lower lip and the chin of the nose bridge, the whole opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring forms a three-dimensional annular curve jointing face to surround the nostrils and the mouths, and the filtering rear cover piece is in sealed and sleeved with the rear port of the veneering cylindrical sealing soft rubber ring, the gas in the veneering cylindrical sealing soft rubber ring and the gas outside the veneering cylindrical sealing soft rubber ring are filtered by the filter layer of the filtering rear cover part to circulate, the filter layer of the filtering rear cover part is transversely arranged in an expanding way, a part of the projection of the filter layer arranged in the transverse expanding way in the longitudinal direction falls on the outer side of the annular curve of the front end surface of the veneering cylindrical sealing soft rubber ring and the face, and the wearing part provides fixed attaching force to enable the annular curve of the front end surface of the veneering cylindrical sealing soft rubber ring to be attached to the face.

Because the side leakage prevention breathable mask comprises the veneering cylindrical sealing soft rubber ring, the filtering back cover part and the wearing part in the technical scheme of the invention, the front end surface of the facing cylindrical sealing soft rubber ring is provided with a longitudinal V-shaped notch, the front end surface of the facing cylindrical sealing soft rubber ring forms a three-dimensional annular curve to be attached to the face to surround nostrils and mouths, so that the mask creatively selects an anti-side leakage sealing line to reliably stop side leakage, and prior art sealing line is too big from the chin to positive face scope and is difficult to prevent the side leakage, in addition because epidemic situation reason, no matter be the doctor at work or the student is on class, take the whole face of gauze mask for a long time to glue the sensation of following good and not good, the weather is hot more difficult, just because this technical scheme's sealing line only restricts the less scope of positive face, can solve the problem of this comfort level betterly. This technical scheme will filter the horizontal extension setting of filter layer of back lid for filter back lid's filter area enlarges greatly, and the gas permeability obviously improves, therefore solves the problem of gas permeability through expanding filter layer area rationally when solving the comfort level through the scope of injecing the seal line.

The invention is further described with reference to the following figures and detailed description.

Drawings

FIG. 1 is a schematic view of the construction of a post-filter lid member prior to the improvement of the present invention.

Fig. 2 is a schematic structural view of the veneering cylindrical sealing soft rubber ring in the invention.

Fig. 3 is a sectional structural view of the faced cylindrical sealing soft rubber gasket of fig. 2.

Fig. 4 is a schematic structural view of the combination of the filtered cover piece and the veneered cylindrical soft seal rubber ring.

FIG. 5 is a schematic view showing the combination of the filtered cap and the soft sealing rubber ring and the fixation to the face.

Fig. 6 is a view showing the use state of the faced cylindrical sealing soft rubber ring matched with the wearing piece and the chin positioning support.

Fig. 7 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a fourth embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a fifth embodiment of the present invention.

Fig. 12 is an enlarged schematic view of a portion a in fig. 8.

Detailed Description

As shown in figures 1-11, the invention provides a side leakage prevention breathable mask, which comprises a veneering cylindrical soft sealing rubber ring 7, a filtering back cover part 1 and a wearing part 2, wherein a longitudinal V-shaped notch 6 is arranged at the opening edge of the front end surface of the veneering cylindrical soft sealing rubber ring 7, the shape of the longitudinal V-shaped notch 6 is matched with the cross section shape of the middle part of the bridge of the nose of a human face, when the opening edge of the front end surface of the veneering cylindrical soft sealing rubber ring 7 faces the face of a human body with the human middle point as the center and the longitudinal V-shaped notch 6 is upwards matched with the middle part of the bridge of the nose of the human face, the upper edge of the opening edge of the front end surface of the veneering cylindrical soft sealing rubber ring 7 is jointed with the middle part of the bridge of the nose of the human face, the lower edge is jointed with the recess between the lower lip and the chin of the human face, the whole opening edge of the front end surface of the veneering cylindrical soft sealing rubber ring 7 forms a three-dimensional annular curve jointing face, and the nostrils are arranged, The filter is characterized in that the filter is surrounded by a mouth, the filter rear cover part 1 is hermetically sleeved with a rear port of the veneering cylindrical sealing soft rubber ring 7, gas in the veneering cylindrical sealing soft rubber ring 7 and gas outside the veneering cylindrical sealing soft rubber ring 7 are filtered by a filter layer of the filter rear cover part 1 to circulate, the filter layer of the filter rear cover part 1 is transversely arranged in an expanding manner, a part of the projection of the transversely arranged filter layer in the longitudinal direction falls on the outer side of an annular curve for the front end face of the veneering cylindrical sealing soft rubber ring 7 to be attached to the face, and the wearing part provides a fixed attaching force to enable the annular curve of the front end face of the veneering cylindrical sealing soft rubber ring 7 to be attached to the face.

As shown in fig. 1-5, in an embodiment before the improvement of the present invention, the rear filtering cover member 1 may be a cup-shaped cover body of a disposable paper cup structure, a vent hole 4 is formed in the cup-shaped cover body, a permeable filtering sheet 5 is provided on the vent hole 4, an annular "U" -shaped notch 8 is formed in an opening edge of a rear end face of the facing cylindrical soft sealing rubber ring 7, and an opening edge of a flat opening at a front end of the cup-shaped cover body and the annular "U" -shaped notch 8 at a rear end of the facing cylindrical soft sealing rubber ring 7 are hermetically sleeved with each other.

As shown in fig. 7, the filter rear cover member 1 is provided with not less than two filter window frames 12 which are transversely arranged, each filter window frame 12 is provided with a cover window unit filter layer in a matching manner, the window space inside the cover window unit filter layers of the two adjacent filter window frames 12 mutually circulates, the gas in the veneering cylindrical sealing soft rubber ring 7 circulates with the outside through the cover window unit filter layers on the respective filter window frames 12, and the ventilation effect is increased through the arrangement of the plurality of filter window frames 12.

As shown in fig. 8, the filtering window frame 12 disposed on the filtering rear cover member 1 has three filtering window frames 12 from left to right, which are a left filtering window frame 12A, a middle filtering window frame 12B, and a right filtering window frame 12C, each filtering window frame 12 is in a square shape with a same size and shape, and the air permeability and the appearance are effectively increased by disposing the three filtering window frames 12 from left to right, wherein the same size and shape of each filtering window frame 12 is to enable the filtering layer of the cover window unit to be standardized and conveniently replaced, and the production and use costs are reduced, the filtering window frame 12 is designed in a square shape to enable the corresponding filtering layer of the cover window unit to be square, or square or rectangular, and the square shape can enable the filtering cloth to generate leftover materials as little as possible in the production process, and reasonably reduce waste.

As shown in fig. 9, the filtering window frame 12 provided on the filtering rear cover member 1 has two filtering window frames 12 from top to bottom, which are a middle filtering window frame 12B and a lower filtering window frame 12D, respectively, and each filtering window frame 12 has a square shape with the same size and shape, and the design is simple and elegant.

As shown in fig. 5 and 6, the veneering cylindrical sealing soft rubber ring 7 is also connected with a chin positioning support 3, one end of the chin positioning support 3 is fixed on the chin, and the other end is connected with the veneering cylindrical sealing soft rubber ring 7, so that the veneering cylindrical sealing soft rubber ring 7 is limited to be positioned at the set position of the face and cannot slide upwards, and the length of a connecting belt between the chin positioning support and the veneering cylindrical sealing soft rubber ring can be adjusted correspondingly according to different face sizes of users.

As shown in fig. 7, 9 and 10, the filtering window frames 12 and the adjacent filtering window frames 12 can be bent and shaped so that the filtering layer of the filtered cover member 1 can be fitted to the face, which is a more user-friendly design and aesthetic solution.

As shown in fig. 11, the adjacent filtering window frames 12 can be bent and shaped to make the filtering layer of the filtering back cover member 1 conform to the face shape, which is an aesthetic solution and facilitates the sealing fit of the filtering layer with the filtering window frames 12.

As shown in fig. 7-12, the middle filter window frame 12B is located opposite to the longitudinal central axis of the facing cylindrical sealing soft rubber ring 7 in the filter window frame 12, the other filter window frames 12 laterally extended through the middle filter window frame 12B constitute the peripheral filter window frame 12, the peripheral filter window frame 12 can be ventilated and filtered bidirectionally, that is, the outer window frame 13 far away from the face of the peripheral filter window frame 12 is covered with the outer cover window unit filtering layer, the inner window frame 14 close to the face of the peripheral filter window frame 12 is covered with the inner cover window unit filtering layer, and the space between the outer cover window unit filtering layer and the inner cover window unit filtering layer forms the window inner space, which utilizes the limited lateral area of the filtered cover member 1 to increase the air permeability to the maximum extent.

As shown in fig. 7-12, the cover window unit filtering layer matched with the gland on the filtering window frame 12 can also be replaced by a cover window unit blocking layer, when all the cover window unit filtering layers are replaced by the cover window unit blocking layer, whether the side leakage exists in the mask can be tested, if the side leakage does not exist, the mask cannot be used for expiration and inspiration after being worn, and if the side leakage exists, the annular curve of the front end face of the facing cylindrical sealing soft rubber ring 7 is adjusted in time to fit the face; another function of the cover window unit barrier layer is that when insufficient air permeability is not required in some situations, the cover window unit filter layer is partially replaced by the cover window unit barrier layer, and the cover window unit filter layer can be reasonably used in a saving mode.

As shown in fig. 3 and 4, an inner one-way sealed annular extension sheet 10 is arranged on the cylindrical sealing soft rubber ring 7 of the facing surface, the inner one-way sealed annular extension sheet 10 is arranged to facilitate further separation of side leakage during exhalation, the internal pressure during exhalation is greater than the external pressure, the inner one-way sealed annular extension sheet 10 can be more automatically attached to the face skin under the action of air pressure, an outer one-way sealed annular extension sheet 11 is arranged on the cylindrical sealing soft rubber ring 7 of the facing surface, the outer one-way sealed annular extension sheet 11 is arranged to facilitate further separation of side leakage during inhalation, the internal pressure during inhalation is less than the external pressure, the outer one-way sealed annular extension sheet 11 can be more automatically attached to the face skin under the action of negative pressure, and the side leakage inhalation of tail gas and external viruses can be more thoroughly prevented.

As shown in fig. 3, the front end opening of the soft sealing rubber ring 7 is provided with a bendable sizing wire 9 along the track of the opening edge, so that the opening edge of the front end opening can be bent and sized more accurately to fit the face of a person, and the side leakage is reduced more effectively.

Finally, the detailed analysis and explanation are carried out on the unique effects of the technical scheme by combining the related attached drawings, wherein the matching of the cross section shape of the middle part of the nose bridge and the longitudinal V-shaped notch of the front end surface of the veneering cylindrical sealing soft rubber ring is utilized, the matching of the lower edge of the front end surface of the veneering cylindrical sealing soft rubber ring and the concave part below the upper and lower lips of the chin of the face is utilized, so that the veneering cylindrical sealing soft rubber ring is attached to the face to form a better positioning foot-drop point, namely, a brand new face matching position of an attaching sealing ring line which is more reasonable in lateral leakage prevention compared with the prior art is found, the soft rubber ring material has proper deformation elastic attaching force, facial surface muscles and skin also have certain elastic attaching force, the attaching pressing force provided by a wearing piece is combined, the close lateral leakage prevention of the veneering cylindrical sealing soft rubber ring and the face is fundamentally improved, and the sealed non-leakage sleeving connection of the rear end port of the filtered cover piece and the veneering cylindrical sealing soft rubber ring is technically completely and completely sleeved The utility model has the advantages of feasible, synthesize and see that the side leakage and the leakage of preventing effect of this gauze mask can reach or surpass the side leakage and the leakage of preventing effect of goggles similarly, consequently the performance of preventing side leakage and leakage of this technical scheme can obviously surpass ordinary disposable gauze mask and N95 and KN95 gauze mask from the technical rationality angle. Comparing and analyzing the difference between the prior mask and the technical proposal, the sealing range of the prior mask is too large, the sealing lines face the concave-convex parts of the neck, the side of the face and the vicinity of the nose bridge, the positions have different heights, different angles and large difference of surface soft and hard elastic characteristics, so that the fitting and the sealing cannot be fully realized, the sealing line determined by the technical scheme can be provided with a longitudinal V-shaped notch for matching although the nose bridge is obviously raised, other aspects include that the hardness and the elasticity of the surface of the front face of the face are relatively uniform, the sealing angle of the front face is reasonable and reliable, the sealing line range is small and the face can be easily attached, therefore, the technical scheme has better side leakage prevention performance, can further effectively improve the sealing degree by applying forward bonding force to the front end surface of the veneering cylindrical sealing soft rubber ring from back to front by utilizing the wearing piece, the edge lines of the tension line sealing lines of the existing disposable mask are naturally difficult to be attached and sealed by the same rope.

From resources are saved, use cost is reduced, and the environment is protected, the technical scheme also has great rationality advantage, see from this aspect that current gauze mask is as good as the chalk in the stationery, disposable pencil, used and just lost, use cost is high, the wasting of resources is big, but chin location support, wear piece, wainscot cylindric sealed soft rubber ring among this technical scheme all can wash the disinfection and use repeatedly many times, wherein wainscot cylindric sealed soft rubber ring used repeatedly can also more laminate respective face type, as long as change the lid piece after filtering can, further can only change the filter sheet in the lid piece after filtering, therefore this technical scheme is as good as the propelling pencil or the pen of refill in the stationery, use cost greatly reduced also obviously more the resource conservation protects the environment.

The technical scheme has the characteristics of good side leakage prevention effect, resource saving and waste reduction, and is relatively independent and more clear relative to the functions of parts designed by the scheme, namely professional parts, wherein the veneering cylindrical sealing soft rubber ring mainly completes the function of sealing and side leakage prevention, the chin positioning support mainly has the auxiliary positioning function of limiting the veneering cylindrical sealing soft rubber ring not to slide up at a set position, the wearing part mainly has the functions of wearing the mask on the face and providing the veneering force for the veneering cylindrical sealing soft rubber ring, and the cover part after filtering mainly has the functions of filtering air and cutting off viruses; and the function location of the part of current gauze mask is alternately fuzzy, for example the edge line of current gauze mask is simultaneously as the tight line location line of sealed line to lead to the result of use not good.

Because the technical scheme effectively controls the problem of side leakage of the mask by virtue of the unique attaching design of the front end surface of the veneering cylindrical sealing soft rubber ring 7, the defect of fuzzy fogging of glasses lenses caused by side leakage of automobile drivers is avoided, and the method is suitable for driving occasions and is beneficial to safe driving; the product also effectively solves the problem of firm positioning of the mask and reasonably solves the problem of air permeability by virtue of the unique design of the veneering cylindrical sealing soft rubber ring 7 and the chin positioning support, so that the product is suitable for running occasions and is comfortable and healthy in the process of sports; therefore, the product is an original and revolutionary innovation.

Claims (10)

1. The utility model provides a prevent ventilative type gauze mask of edge leakage which characterized in that: the side leakage prevention breathable mask comprises a veneering cylindrical sealing soft rubber ring (7), a filtering rear cover part (1) and a wearing part (2), wherein a longitudinal V-shaped notch (6) is arranged at the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring (7), the shape of the longitudinal V-shaped notch (6) is matched with the cross section shape of the middle part of the nose bridge of a human face, when the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring (7) faces the face of a human body with the human middle point as the center, and the longitudinal V-shaped notch (6) is upwards matched with the middle part of the nose bridge of the human face, the upper edge of the opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring (7) is jointed with the middle part of the nose bridge of the human face, the lower edge is jointed with a concave part between the lower lip and the chin of the human face, the whole opening edge of the front end surface of the veneering cylindrical sealing soft rubber ring (7) forms a three-dimensional annular curve jointing face, and the nostril, the lower lip and the lower lip is jointed with the lower lip and the lower lip of the human face, The filter is characterized in that the mouth is enclosed, the filter rear cover piece (1) is in sealed sleeve joint with a rear port of the veneering cylindrical sealing soft rubber ring (7), gas in the veneering cylindrical sealing soft rubber ring (7) and gas outside the veneering cylindrical sealing soft rubber ring (7) are filtered through a filter layer of the filter rear cover piece (1) to circulate, the filter layer of the filter rear cover piece (1) is transversely arranged in an expanding manner, a part of the projection of the transversely arranged filter layer in the longitudinal direction falls on the outer side of an annular curve jointed with the face on the front end face of the veneering cylindrical sealing soft rubber ring (7), and the wearing piece provides fixed jointing force to enable the annular curve of the front end face of the veneering cylindrical sealing soft rubber ring (7) to be jointed with the face.

2. The side-leakage-preventing breathable mask according to claim 1, wherein: the filtering window is characterized in that the filtering window frames (12) which are transversely arranged and not less than two are arranged on the filtering rear cover piece (1), each filtering window frame (12) is provided with a cover window unit filtering layer in a matched pressing manner, the window inner spaces of the two adjacent filtering window frames (12) which are positioned at the inner sides of the cover window unit filtering layers mutually circulate, and gas in the veneering cylindrical sealing soft rubber ring (7) circulates with the outside through the cover window unit filtering layers on the filtering window frames (12).

3. The side-leakage-preventing breathable mask according to claim 2, wherein: the filtering window frames (12) arranged on the filtering rear cover piece (1) are arranged from left to right and respectively comprise a left filtering window frame (12A), a middle filtering window frame (12B) and a right filtering window frame (12C), and each filtering window frame (12) is in a square shape with the same size and shape.

4. The side-leakage-preventing breathable mask according to claim 2, wherein: filter filtration window frame (12) that set up on back lid piece (1) from last to arranging down, be well filtration window frame (12B), lower filtration window frame (12D) respectively, every filters window frame (12) and is the square shape of big or small shape unanimity.

5. The side-leakage prevention ventilation mask as claimed in claims 1 to 4, wherein: the veneering cylindrical sealing soft rubber ring (7) is also connected with a chin positioning support (3), one end of the chin positioning support (3) is fixed on the chin, and the other end of the chin positioning support is connected with the veneering cylindrical sealing soft rubber ring (7) so as to limit the veneering cylindrical sealing soft rubber ring (7) to be positioned at the set position of the face and not to slide upwards.

6. The side-leakage prevention ventilation mask as claimed in claims 2 to 4, wherein: the filtering window frames (12) and the adjacent filtering window frames (12) can be bent and shaped, so that the filtering layer of the cover part (1) is attached to the face shape after filtering.

7. The side-leakage prevention ventilation mask as claimed in claims 2 to 4, wherein: the adjacent filtering window frames (12) can be bent and shaped so as to enable the filtering layer of the cover part (1) to be matched with the face shape after filtering.

8. The side-leakage prevention ventilation mask as claimed in claims 2 to 4, wherein: the filtering window frame (12) is a middle filtering window frame (12B) which is opposite to the longitudinal central axis position of the facing cylindrical sealing soft rubber ring (7), other filtering window frames (12) which are transversely arranged by extension through the middle filtering window frame (12B) form a peripheral filtering window frame (12), the peripheral filtering window frame (12) can be subjected to bidirectional ventilation and filtration, namely, an outer covering window unit filtering layer is pressed on an outer window frame (13) far away from the face of the peripheral filtering window frame (12), an inner covering window unit filtering layer is pressed on an inner window frame (14) close to the face of the peripheral filtering window frame (12), and a space between the outer covering window unit filtering layer and the inner covering window unit filtering layer forms a window inner space.

9. The side-leakage prevention ventilation mask as claimed in claims 2 to 4, wherein: the cover window unit filtering layer matched with the gland on the filtering window frame (12) can also be replaced by a cover window unit barrier layer.

10. The side-leakage prevention ventilation mask as claimed in claims 1 to 4, wherein: the front port of the veneering cylindrical sealing soft rubber ring (7) is provided with a bendable sizing wire (9) along the track of the edge of the opening.

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