CN212994545U - Split type mask capable of allowing lower jaw to move - Google Patents
Split type mask capable of allowing lower jaw to move Download PDFInfo
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- CN212994545U CN212994545U CN202020859076.0U CN202020859076U CN212994545U CN 212994545 U CN212994545 U CN 212994545U CN 202020859076 U CN202020859076 U CN 202020859076U CN 212994545 U CN212994545 U CN 212994545U
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Abstract
The utility model discloses a can allow split type gauze mask of lower jaw activity belongs to the gauze mask field, including the loose axle, loose axle right side fixedly connected with bandeau, loose axle left side upper end is rotated and is installed the bridge of the nose and can mould the frame, the outer wall fixed mounting has fixed block A on the plastic frame of the bridge of the nose, the inside fixed mounting in fixed block A left side has slot A, slot A internally mounted has inserted block A, inserted block A left end fixedly connected with connecting rod A, the bridge of the nose can be moulded a frame outer wall fixed mounting and has devil glue A on the fixed block A left and right sides, loose axle left side lower extreme rotates installs lower jaw mount, lower jaw mount lower extreme outer wall fixed mounting has fixed block B, the inside fixed mounting in fixed block B left side has slot B. By installing the embedded fixing structure and the bonding structure, the convenience and the practicability of the mask are improved.
Description
Technical Field
The utility model relates to a gauze mask technical field especially relates to a can allow split type gauze mask of lower jaw activity.
Background
The mask is a sanitary article, is generally worn at the mouth and nose part and is used for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, and particularly in seasons with high incidence of influenza in autumn and winter, the using amount of the mask is considerable, even the capacity of partial high-specification masks is insufficient, the supply is not in demand, and the public health safety is even endangered in serious cases.
Patent CN201711492780.6 discloses a mask, which aims at the existing filter screen to simply filter common dust and particles, but not to rapidly and effectively filter formaldehyde, toluene, ammonia and other gases that are harmful to human body, and professional equipment for removing formaldehyde, toluene and ammonia is usually expensive and not suitable for daily use, and by using diatomite-based particles, the mask using the particles can absorb formaldehyde, toluene and ammonia in air, thereby effectively improving air quality in the suction inlet and nose, and avoiding harm to human body, and the diatomite is a natural mineral material, and its main chemical component is SiO2, which generally exists in the form of SiO 2. nH2O, and in addition, a small amount of impurities such as Al, Fe, Ca, Mg, Na, K, P and the like are mixed. The diatomite has many micropores on the surface, does not contain any harmful chemical substances, and has the advantages of heat insulation, sound insulation, water resistance, flame retardance and the like. The mask provided by the invention is simple in structure, can reliably absorb methylbenzene, formaldehyde and ammonia gas, effectively absorbs harmful substances in the air, and is additionally provided with the dust-proof layer, so that inhalable particles in the air can be absorbed.
The mask has the following defects: above-mentioned gauze mask is at the in-process of wearing, because there is the jaw joint of the nieer in people's face, when wearing the gauze mask for a long time, inevitably because actions such as speaking produce the jaw joint activity of the nieer, lead to gauze mask lower extreme and mandible laminating part to take place to slide, perhaps the gauze mask bridge of the nose part slides, and then arouses gas leakage, influences the protective effect, has reduced the practicality of gauze mask.
SUMMERY OF THE UTILITY MODEL
The utility model provides a split type mask capable of allowing lower jaw movement, which aims to adopt an embedded fixing structure and an adhesion structure, when the split type mask is needed to be used, a head band is sleeved at the back head part of the head, a lower jaw fixing frame is manually rotated, the position of the lower jaw fixing frame below the chin is adjusted according to needs, a fixing piece made of silica gel material at the lower side of the fixing frame is downwards pulled open at the hand of a wearer, so that the chin is clamped between the fixing frame and the fixing piece, the fixing frame can not fall off downwards, an upper nose bridge plastic frame is pressed towards the upper part of the nose bridge, the upper nose plastic frame is made of soft iron sheets, has good plasticity, is convenient to be attached to the lower side of the nose bridge eye socket according to needs, thereby achieving the sealing effect, then the upper end of an air filter layer in a multilayer folding state is pressed towards the right, a connecting, then press the connecting rod B fixed on the lower side to the right, the connecting rod B moves to the right to drive the inserting block B to be inserted into the inserting slot B, the upper end and the lower end of the air filter layer are fixed, the upper side eye socket edge of the air filter layer is pressed along the upper nose bridge plastic frame, the devil glue A on the upper nose bridge plastic frame is mutually attached with the devil glue C on the upper side of the air filter layer, the lower side edge of the air filter layer is pressed along the lower jaw fixing frame edge, the devil glue B is bonded with the devil glue D, the air filter layer can be integrally fixed, the wearing can be completed after the position of the headband is adjusted again, the mask displacement deviation is avoided due to the bonding effect of the air filter layer with the multilayer folds and the glue in the reusing process, the practicability of the mask is improved, the protection effect of the mask used for a long time is improved, the movement limitation of the mask to the lower, only the filter layer needs to be replaced, the resource waste is reduced, and the capacity is saved when a large amount of consumption is needed.
The utility model provides a specific technical scheme as follows:
the utility model provides a split type mask capable of allowing lower jaw to move, which comprises a movable shaft, a headband is fixedly connected with the right side of the movable shaft, an upper nose bridge plastic frame is rotatably installed at the upper end of the left side of the movable shaft, a fixed block A is fixedly installed on the outer wall of the upper end of the upper nose bridge plastic frame, an inserting groove A is fixedly installed inside the left side of the fixed block A, an inserting block A is internally installed inside the inserting groove A, a connecting rod A is fixedly connected with the left end of the inserting block A, magic glue A is fixedly installed on the outer wall of the upper nose bridge plastic frame on the left side and the right side of the fixed block A, a lower jaw fixing frame is rotatably installed at the lower end of the left side of the movable shaft, a fixed block B is fixedly installed on the outer wall of the lower jaw fixing frame, an inserting groove B is fixedly installed inside the left side of the fixed block B, an inserting block, connecting rod B and the all fixed mounting in connecting rod A left side have air filter layer, the all fixed mounting in air filter layer upper end both sides edge has magic glue C, the all fixed mounting in air filter layer lower extreme both sides edge has magic glue D.
Optionally, a slot a is fixedly mounted inside the fixed block a, and an insertion block a matched with the slot a is fixedly mounted at the right end of the connecting rod a, so as to form an embedded fixing structure.
Optionally, a slot B is fixedly mounted inside the fixed block B, and an insertion block B matched with the slot B is fixedly mounted at the right end of the connecting rod B to form an embedded fixing structure.
Optionally, go up plastic frame of bridge of the nose top edge fixed mounting and have magic glue A, air filter layer upside edge fixed mounting has the magic glue C with magic glue A matched with.
Optionally, jaw mount upside edge fixed mounting has magic glue B, air filter layer downside edge fixed mounting has the magic glue D with magic glue B matched with.
The utility model has the advantages as follows:
the embodiment of the utility model provides a split type gauze mask that can allow lower jaw activity, through embedded fixed knot structure and adhesion structure, when needs use split type gauze mask, overlap the bandeau in head back head spoon position, manually rotate jaw mount down, adjust jaw mount position under the chin as required, press the nose bridge and can mould the frame again to the nose bridge top, it is made by soft iron sheet to go up nose plastic frame, have good plasticity, be convenient for attach nose bridge eye socket downside as required, thereby reach the closure effect, then press the air filter layer upper end of multilayer fold state right, drive connecting rod A to move to the right, connecting rod A moves to the right and drives insert block A to insert in slot A, press the connecting rod B of downside fixed mounting right again, connecting rod B moves to the right and drives insert block B to insert in slot B, accomplish the upper and lower end of air filter layer fixed, with air filter's upside eye socket edge, can press down along the plastic frame of last bridge of the nose, make the plastic frame of last bridge of the nose magic glue A and the plastic frame of air filter upside magic glue C laminate each other, press down air filter downside edge along the lower jaw mount edge, make magic glue B and magic glue D to the bonding, alright with air filter monolithic stationary, can accomplish wearing after the position of readjustment bandeau, the air filter of in-process multilayer fold of reusing and the bonding effect of colloid have avoided the gauze mask displacement skew, the practicality of gauze mask has been improved, the protective effect when using the gauze mask for a long time improves, reduce the activity restriction of gauze mask to the lower jaw, fixed interface recycles after can disinfecting simultaneously, only need to change the filter layer, reduce the wasting of resources, the productivity is saved when needing to consume in a large amount.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic front view of a sectional structure of a split mask allowing the lower jaw to move according to an embodiment of the present invention;
fig. 2 is a schematic enlarged structural view of a part a in fig. 1 of a split mask allowing a lower jaw to move according to an embodiment of the present invention;
fig. 3 is an enlarged structural view of part B in fig. 1 of a split mask allowing lower jaw movement according to an embodiment of the present invention;
fig. 4 is an enlarged structural view of a part C in fig. 1 of a split mask allowing the lower jaw to move according to an embodiment of the present invention;
fig. 5 is an enlarged partial structural view of a portion D in fig. 1 of a split mask allowing the lower jaw to move according to an embodiment of the present invention.
In the figure: 1. a movable shaft; 2. a headband; 3. the upper nose bridge can be molded; 4. magic glue A; 5. a mandible fixing frame; 6. magic glue B; 7. an air filtration layer; 8. devil's-tongue C; 9. magic glue D; 10. a fixed block A; 11. a slot A; 12. a connecting rod A; 13. inserting a block A; 14. a fixed block B; 15. a slot B; 16. a connecting rod B; 17. inserting a block B; 18. a sheet is fixed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only 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 efforts belong to the protection scope of the present invention.
A split type mask allowing the lower jaw to move according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.
Referring to fig. 1, 2, 3, 4 and 5, a split mask allowing lower jaw movement provided by an embodiment of the present invention comprises a movable shaft 1, a headband 2 fixedly connected to the right side of the movable shaft 1, an upper nose bridge plastic frame 3 rotatably mounted on the upper end of the left side of the movable shaft 1, a fixed block a10 fixedly mounted on the outer wall of the upper end of the upper nose bridge plastic frame 3, an insertion slot a11 fixedly mounted inside the left side of the fixed block a10, an insertion block a13 internally mounted in the insertion slot a11, a connecting rod a12 fixedly connected to the left end of the insertion block a13, a magic glue A4 fixedly mounted on the outer wall of the upper nose bridge plastic frame 3 on the left and right sides of the fixed block a10, a lower jaw fixing frame 5 rotatably mounted on the lower end of the left side of the movable shaft 1, a fixed block B14 fixedly mounted on the outer wall of the lower end of the lower jaw fixing frame 5, an insertion slot B15 fixedly mounted in the left side of the fixed block B, the outer walls of the mandible fixing frames 5 on the left side and the right side of the fixing block B14 are fixedly provided with magic glue B6, the left sides of the connecting rod B16 and the connecting rod A12 are fixedly provided with an air filter layer 7, the edges of two sides of the upper end of the air filter layer 7 are fixedly provided with magic glue C8, and the edges of two sides of the lower end of the air filter layer 7 are fixedly provided with magic glue D9.
Referring to fig. 1 and 4, a slot a11 is fixedly installed inside a fixed block a10, an insert a13 matched with the slot a11 is fixedly installed at the right end of a connecting rod a12, an embedded fixing structure is formed, when a split mask is needed, a head band 2 is sleeved at the back of the head and the head, a mandible fixing frame 5 is manually rotated, the position of the mandible fixing frame 5 below the chin is adjusted according to needs, a fixing piece 18 made of silica gel material on the lower side of the fixing frame 5 is pulled downwards to be loosened, so that the chin is clamped between the fixing frame 5 and the fixing piece 18, the fixing frame 5 cannot fall downwards, an upper nose bridge plastic frame 3 is pressed towards the upper part of the nose bridge, the upper nose plastic frame 3 is made of soft iron sheets, has good plasticity, is convenient to be attached to the lower side of the nose bridge eye socket according to needs, so as to achieve a sealing effect, then the upper end, the connecting rod A12 is driven to move rightwards, the connecting rod A12 moves rightwards to drive the inserting block A13 to be inserted into the inserting slot A11, then the connecting rod B16 fixedly installed at the lower side is pressed rightwards, the connecting rod B16 moves rightwards to drive the inserting block B17 to be inserted into the inserting slot B15, the upper end and the lower end of the air filter layer 7 are fixed, the upper side eye orbit edge of the air filter layer 7 is pressed along the upper nose bridge moldable frame 3, the magic glue A4 on the upper nose bridge moldable frame 3 is mutually attached to the magic glue C8 on the upper side of the air filter layer 7, the lower side edge of the air filter layer 7 is pressed along the edge of the lower jaw bone fixing frame 5, the magic glue B6 is bonded with the magic glue D9, the air filter layer 7 can be integrally fixed, the wearing can be finished after the position of the headband 2 is adjusted again, the bonding effect of the air filter layer 7 and the glue body of the multilayer folds in the reusing process avoids the mask displacement, the, the jaw bone fixing device has the advantages that the limitation of the mask on the movement of the jaw bone is reduced, meanwhile, the fixing interface can be used repeatedly after being disinfected, only the filter layer needs to be replaced, the resource waste is reduced, and the productivity is saved when a large amount of consumption is needed.
Referring to fig. 1 and 5, a slot B15 is fixedly installed inside a fixed block B14, an insert B17 matched with the slot B15 is fixedly installed at the right end of a connecting rod B16, an embedded fixing structure is formed, when a split mask is required to be used, a head band 2 is sleeved at the back of the head and the head, a mandible fixing frame 5 is manually rotated, the position of the mandible fixing frame 5 below the chin is adjusted according to requirements, a fixing piece 18 made of silica gel material on the lower side of the fixing frame 5 is pulled downwards to be loosened, so that the chin is clamped between the fixing frame 5 and the fixing piece 18, the fixing frame 5 cannot fall downwards, an upper nose bridge plastic frame 3 is pressed towards the upper side of the nose bridge, the upper nose plastic frame 3 is made of soft iron sheets, has good plasticity, is convenient to be attached to the lower side of the nose bridge eye sockets according to requirements, so as to achieve a sealing effect, then, the connecting rod A12 is driven to move rightwards, the connecting rod A12 moves rightwards to drive the inserting block A13 to be inserted into the inserting slot A11, then the connecting rod B16 fixedly installed at the lower side is pressed rightwards, the connecting rod B16 moves rightwards to drive the inserting block B17 to be inserted into the inserting slot B15, the upper end and the lower end of the air filter layer 7 are fixed, the upper side eye orbit edge of the air filter layer 7 is pressed along the upper nose bridge moldable frame 3, the magic glue A4 on the upper nose bridge moldable frame 3 is mutually attached to the magic glue C8 on the upper side of the air filter layer 7, the lower side edge of the air filter layer 7 is pressed along the edge of the lower jaw bone fixing frame 5, the magic glue B6 is bonded with the magic glue D9, the air filter layer 7 can be integrally fixed, the wearing can be finished after the position of the headband 2 is adjusted again, the bonding effect of the air filter layer 7 and the glue body of the multilayer folds in the reusing process avoids the mask displacement, the, the jaw bone fixing device has the advantages that the limitation of the mask on the movement of the jaw bone is reduced, meanwhile, the fixing interface can be used repeatedly after being disinfected, only the filter layer needs to be replaced, the resource waste is reduced, and the productivity is saved when a large amount of consumption is needed.
Referring to fig. 1 and 2, the edge of the upper side of the upper nose bridge moldable frame 3 is fixedly provided with magic glue a4, the edge of the upper side of the air filter layer 7 is fixedly provided with magic glue C8 matched with the magic glue a4, when a split mask is needed, the headband 2 is sleeved on the back of the head, the mandible fixing frame 5 is manually rotated, the position of the mandible fixing frame 5 below the chin is adjusted according to the need, the fixing piece 18 made of silica gel material on the lower side of the fixing frame 5 is pulled downwards to be loosened, so that the chin is clamped between the fixing frame 5 and the fixing piece 18, the fixing frame 5 cannot fall downwards, the upper nose bridge moldable frame 3 is pressed towards the upper part of the nose bridge, the upper nose bridge moldable frame 3 is made of soft iron sheets, has good plasticity, the lower side of the nose bridge eyepit can be attached according to the need, so as to achieve the sealing effect, then the air filter layer 7 in a multilayer folding, the connecting rod A12 is driven to move rightwards, the connecting rod A12 moves rightwards to drive the inserting block A13 to be inserted into the inserting slot A11, then the connecting rod B16 fixedly installed at the lower side is pressed rightwards, the connecting rod B16 moves rightwards to drive the inserting block B17 to be inserted into the inserting slot B15, the upper end and the lower end of the air filter layer 7 are fixed, the upper side eye orbit edge of the air filter layer 7 is pressed along the upper nose bridge moldable frame 3, the magic glue A4 on the upper nose bridge moldable frame 3 is mutually attached to the magic glue C8 on the upper side of the air filter layer 7, the lower side edge of the air filter layer 7 is pressed along the edge of the lower jaw bone fixing frame 5, the magic glue B6 is bonded with the magic glue D9, the air filter layer 7 can be integrally fixed, the wearing can be finished after the position of the headband 2 is adjusted again, the bonding effect of the air filter layer 7 and the glue body of the multilayer folds in the reusing process avoids the mask displacement, the, the jaw bone fixing device has the advantages that the limitation of the mask on the movement of the jaw bone is reduced, meanwhile, the fixing interface can be used repeatedly after being disinfected, only the filter layer needs to be replaced, the resource waste is reduced, and the productivity is saved when a large amount of consumption is needed.
Referring to fig. 1 and 3, the upper side edge of the lower jaw fixing frame 5 is fixedly provided with magic glue B6, the lower side edge of the air filtering layer 7 is fixedly provided with magic glue D9 matched with magic glue B6, when a split mask is required, the head band 2 is sleeved on the back of the head, the lower jaw fixing frame 5 is manually rotated, the position of the lower jaw fixing frame 5 below the jaw is adjusted according to the requirement, the fixing piece 18 made of silica gel material on the lower side of the fixing frame 5 is downwards pulled open to the hands, so that the jaw is clamped between the fixing frame 5 and the fixing piece 18, the fixing frame 5 cannot fall downwards, the upper nose bridge plastic frame 3 is pressed towards the upper side of the nose bridge, the upper nose plastic frame 3 is made of soft iron sheets, has good plasticity, is convenient to be attached to the lower side of the nose bridge eye socket according to the requirement, so as to achieve the sealing effect, then the upper end of the air filtering layer 7, the connecting rod A12 is driven to move rightwards, the connecting rod A12 moves rightwards to drive the inserting block A13 to be inserted into the inserting slot A11, then the connecting rod B16 fixedly installed at the lower side is pressed rightwards, the connecting rod B16 moves rightwards to drive the inserting block B17 to be inserted into the inserting slot B15, the upper end and the lower end of the air filter layer 7 are fixed, the upper side eye orbit edge of the air filter layer 7 is pressed along the upper nose bridge moldable frame 3, the magic glue A4 on the upper nose bridge moldable frame 3 is mutually attached to the magic glue C8 on the upper side of the air filter layer 7, the lower side edge of the air filter layer 7 is pressed along the edge of the lower jaw bone fixing frame 5, the magic glue B6 is bonded with the magic glue D9, the air filter layer 7 can be integrally fixed, the wearing can be finished after the position of the headband 2 is adjusted again, the bonding effect of the air filter layer 7 and the glue body of the multilayer folds in the reusing process avoids the mask displacement, the, the jaw bone fixing device has the advantages that the limitation of the mask on the movement of the jaw bone is reduced, meanwhile, the fixing interface can be used repeatedly after being disinfected, only the filter layer needs to be replaced, the resource waste is reduced, and the productivity is saved when a large amount of consumption is needed.
The embodiment of the utility model provides a can allow split type gauze mask of lower jaw activity, when needs use split type gauze mask, overlap bandeau 2 in head back head spoon position, jaw mount 5 under the manual rotation, jaw mount 5 is in the position below the jaw as required to be adjusted, the stationary blade 18 of the silica gel material of mount 5 downside pulls open downwards at the pine hand, thereby press the jaw between stationary blade 5 and stationary blade 18, make stationary blade 5 can not drop downwards, again press the upper nose bridge of the nose and can mould frame 3 to the bridge of the nose top, upper nose plastic frame 3 is made by soft iron sheet, have good plasticity, be convenient for attach bridge of the nose orbit downside as required, thereby reach the closure effect, then press the air filter layer 7 upper end of multilayer fold state right, drive connecting rod A12 to move to the right, connecting rod A12 moves right and drives insert piece A13 and inserts in slot A11, again press downside fixed mounting's connecting rod B16 right, connecting rod B16 moves to the right and drives inserted block B17 to insert in slot B15, it is fixed to accomplish the upper and lower end of air filter layer 7, with the upside orbit edge of air filter layer 7, can mould frame 3 along the last bridge of the nose and press, make the magic glue A4 that the last bridge of the nose can mould on the frame 3 laminate with the magic glue C8 of the upside of air filter layer 7 each other, press the downside edge of air filter layer 7 along the edge of mandible mount 5, make magic glue B6 and magic glue D9 to the bonding, alright fix air filter layer 7 is whole, can accomplish after adjusting the position of bandeau 2 once more and dress, the bonded effect of the air filter layer 7 and the colloid of multilayer fold has avoided the gauze mask displacement skew in the in-process of reusing.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The split mask capable of allowing the lower jaw to move is characterized by comprising a movable shaft (1), a head band (2) is fixedly connected to the right side of the movable shaft (1), an upper nose bridge plastic frame (3) is rotatably installed at the upper end of the left side of the movable shaft (1), a fixed block A (10) is fixedly installed on the outer wall of the upper end of the upper nose bridge plastic frame (3), a slot A (11) is fixedly installed inside the left side of the fixed block A (10), an insert block A (13) is installed inside the slot A (11), a connecting rod A (12) is fixedly connected to the left end of the insert block A (13), magic glue A (4) is fixedly installed on the outer wall of the upper nose bridge plastic frame (3) on the left side and the right side of the fixed block A (10), a lower jaw fixing frame (5) is rotatably installed at the lower end of the left side of the movable shaft (1), and fixing plates (, jaw mount (5) lower extreme outer wall fixed mounting has fixed block B (14), fixed block B (14) left side inside fixed mounting has slot B (15), slot B (15) internally mounted has inserted block B (17), inserted block B (17) left end fixedly connected with connecting rod B (16), fixed block B (14) left and right sides jaw mount (5) outer wall fixed mounting has magic glue B (6), connecting rod B (16) and connecting rod A (12) left side all fixed mounting have air filter layer (7), air filter layer (7) upper end both sides edge all fixed mounting has magic glue C (8), air filter layer (7) lower extreme both sides edge all fixed mounting has magic glue D (9).
2. The split mask with the function of allowing the lower jaw to move according to claim 1, wherein the fixing block a (10) is fixedly provided with a slot a (11) inside, and the right end of the connecting rod a (12) is fixedly provided with an insert block a (13) matched with the slot a (11) to form an embedded fixing structure.
3. The split mask of claim 1, wherein a slot B (15) is fixedly installed inside the fixing block B (14), and an insert block B (17) matched with the slot B (15) is fixedly installed at the right end of the connecting rod B (16) to form an embedded fixing structure.
4. The split mask with the jaw movement permission function according to claim 1, wherein the upper nose bridge moldable frame (3) is fixedly provided with a devil's glue A (4) at the upper side edge, and the air filter layer (7) is fixedly provided with a devil's glue C (8) matched with the devil's glue A (4) at the upper side edge.
5. The split mask with the jaw movement permission function according to claim 1, wherein the lower jaw fixing frame (5) is fixedly provided with a devil's rubber B (6) at the upper side edge thereof, and the air filter layer (7) is fixedly provided with a devil's rubber D (9) at the lower side edge thereof, wherein the devil's rubber D (9) is matched with the devil's rubber B (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020859076.0U CN212994545U (en) | 2020-05-21 | 2020-05-21 | Split type mask capable of allowing lower jaw to move |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020859076.0U CN212994545U (en) | 2020-05-21 | 2020-05-21 | Split type mask capable of allowing lower jaw to move |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212994545U true CN212994545U (en) | 2021-04-20 |
Family
ID=75489299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020859076.0U Active CN212994545U (en) | 2020-05-21 | 2020-05-21 | Split type mask capable of allowing lower jaw to move |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212994545U (en) |
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2020
- 2020-05-21 CN CN202020859076.0U patent/CN212994545U/en active Active
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Inventor after: Xiao Qinfeng Inventor before: Li Na Inventor before: Xiao Qinfeng |