CN111282169A - Epidemic prevention mask for infectious department - Google Patents
Epidemic prevention mask for infectious department Download PDFInfo
- Publication number
- CN111282169A CN111282169A CN202010154546.8A CN202010154546A CN111282169A CN 111282169 A CN111282169 A CN 111282169A CN 202010154546 A CN202010154546 A CN 202010154546A CN 111282169 A CN111282169 A CN 111282169A
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- CN
- China
- Prior art keywords
- sleeve
- filter
- fixed sleeve
- fixed
- sealing strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention provides an epidemic prevention mask for infectious diseases. The mask comprises a mask body, wherein transparent glass and a respirator are arranged on the mask body; the respirator comprises a mask body, wherein a fixed sleeve is arranged on the mask body, the respirator comprises a breathing sleeve, the breathing sleeve is connected to the fixed sleeve, at least two mutually independent accommodating channels are arranged in the fixed sleeve, the accommodating channels are communicated with the mask body through the fixed sleeve, a filtering piece is arranged in each accommodating channel and used for filtering harmful substances in air, rotating discs are arranged at one ends, close to the fixed sleeve, of the accommodating channels and at one ends, far away from the fixed sleeve, of the accommodating channels, the middle of each rotating disc is rotatably connected to the fixed sleeve, vent holes are formed in the rotating discs, and the vent holes can be aligned to the openings; a rotating rod is arranged on the rotating disc, and a rotating groove for the rotating rod to move is arranged between the fixed sleeve and the breathing sleeve. The anti-epidemic mask is simple to operate, can effectively prolong the single use time, and further can meet the requirement of a long-time medical rescue environment.
Description
Technical Field
The invention relates to a medical appliance, in particular to an epidemic prevention mask for an infectious department.
Background
The existing medical mask structure generally comprises a mask body, wherein transparent glass and a respirator are arranged on the mask body, and a filter disc is arranged in the respirator; in the actual use process, the mask body covers the face of a user, the eyes of the user can observe the surrounding environment through the transparent glass, outside air can be firstly filtered by the filter disc in the respirator and then is inhaled into the respiratory tract by the user, and the air filtering effect is achieved.
When above-mentioned medical mask applied to epidemic situation rescue environment, medical rescue personnel can wear the protective clothing, wear the helmet, and the cassette in traditional medical mask respirator only can keep effective filter effect within a few hours, and in case surpass effective filtration time, just need unpack the respirator apart, change the cassette.
However, the traditional medical mask only has a single filter, so that the single-use time is short, and the requirement of a long-time medical rescue environment cannot be met.
Disclosure of Invention
In view of the above, the present invention aims to provide an epidemic prevention mask for infectious diseases, which can effectively prolong the single use time, and further can meet the requirements of long-term medical rescue environments.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an epidemic prevention mask for infectious diseases comprises a mask body, wherein transparent glass and a respirator are arranged on the mask body;
the mask body is provided with a fixed sleeve, the respirator comprises a breathing sleeve, the breathing sleeve is connected with the fixed sleeve, at least two mutually independent accommodating channels are arranged in the fixed sleeve, the accommodating channels are communicated with the mask body through the fixed sleeve, each accommodating channel is internally provided with a filtering piece, the filtering pieces are used for filtering harmful substances in air, one ends, close to the fixed sleeve, of the accommodating channels and one ends, far away from the fixed sleeve, of the accommodating channels are respectively provided with a rotating disc, the middle part of each rotating disc is rotatably connected with the fixed sleeve, each rotating disc is provided with an air vent, and the air vents can be aligned to the passage openings of the accommodating channels one by one through;
the rotating disc is provided with a rotating rod, and a rotating groove for the rotating rod to move is formed between the fixed sleeve and the breathing sleeve.
Through the technical scheme, the mask body is covered on the face of a user, the rotating discs can be rotated firstly, the vent holes in the two rotating discs are aligned to the same accommodating channel, and at the moment, air exhaled or inhaled by the user can pass through the accommodating channel and can be subjected to the air filtering effect of the filtering piece in the accommodating channel;
when the filter element in the accommodating channel reaches the limit service life after being used for a plurality of hours, the rotating discs can be rotated again, the vent holes on the two rotating discs are aligned with the other accommodating channel, and at the moment, the air exhaled or inhaled by a user passes through the new accommodating channel and is subjected to the air filtering action of the new filter element in the accommodating channel;
the operation process is simple to operate, can effectively prolong the single use time, and further can meet the requirement of a long-time medical rescue environment.
Preferably, the number of the accommodating channels is three, and the three accommodating channels are circumferentially arrayed in the fixing sleeve;
filter and include the filter frame, the filter frame is installed in holding passageway entrance department near fixed cover, be equipped with first cassette in the filter frame.
Through above-mentioned technical scheme, it is provided with threely to hold passageway quantity, enables that filter effect, the whole size of fixed cover, single live time reach best cooperation effect.
Preferably, still be equipped with the second cassette in the filter stand, the second cassette includes the annular filter sleeve of circle, filter sleeve one end is fixed in the filter stand, first cassette orthographic projection falls into and is close to in the filter sleeve one end of fixed cover, deviates from the filter sleeve one end of fixed cover and is equipped with the third cassette, leave the air gap between the outer wall of filter sleeve and the passageway wall that holds the passageway.
Through the technical scheme, when the air purifier is actually used, inflowing or outflowing air can be filtered by the first filter piece firstly and then can be filtered by the second filter piece and the third filter piece, and at the moment, the filtering effect of the whole air is improved; in addition, the ventilation gap is arranged, so that the ventilation effect of the whole mask is increased.
Preferably, the outer sleeve wall of the filter sleeve is provided with a limiting block, and the limiting block is positioned between the filter sleeve and the inner wall of the accommodating channel.
Through the technical scheme, on one hand, the limit block can ensure the gap size of the ventilation gap and the ventilation effect of the whole mask; on the other hand, the limiting block can also ensure the overall shape of the filter sleeve, and further ensure the filtering effect of the second filter sheet and the third filter sheet.
Preferably, the end part of the limiting block is connected to the filter frame.
Through above-mentioned technical scheme, guarantee the position relation between stopper and the filter frame, further promoted the whole shape of filter sleeve and kept the effect.
Preferably, be equipped with three separation wall in breathing the cover, three separation wall is located two respectively adjacent hold between the passageway, the separation wall both ends extend to being close to and keeping away from fixed cover one side respectively, be equipped with first sealing strip on the rolling disc lateral wall, the quantity of first sealing strip is three, and three first sealing strips set up with three separation wall one-to-one, first sealing strip can offset with the tip of separation wall.
Through above-mentioned technical scheme, the air vent on the rolling disc is just to holding the passageway, and first sealing strip can offset in the baffler one by one, is favorable to promoting the sealed effect between rolling disc and the baffler.
Preferably, be equipped with the second sealing strip on the rolling disc lateral wall, the second sealing strip offsets with the terminal surface of breathing the cover, first sealing strip all is connected on the second sealing strip.
Through above-mentioned technical scheme, the air vent on the rolling disc is just to holding the passageway, and the second sealing strip can offset one by one in the terminal surface of breathing the cover, and first sealing strip and second sealing strip use of mutually supporting, and then can promote the leakproofness between rolling disc, baffling wall, the breathing cover three by a wide margin.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a first schematic structural diagram of the respiratory mask;
FIG. 3 is a second schematic structural view of the respiratory cuff;
FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded view of the respirator sleeve and filter;
FIG. 6 is a schematic cross-sectional view of an embodiment;
FIG. 7 is a schematic view of the structure of the rotary disk;
fig. 8 is a schematic view of the fitting structure between the fixing sleeve and the breathing sleeve.
Reference numerals: 1. a mask body; 2. transparent glass; 3. fixing a sleeve; 4. a respirator; 5. a breathing sleeve; 6. a receiving channel; 7. rotating the disc; 8. a vent hole; 9. rotating the rod; 10. a rotating groove; 11. a filter member; 12. a filter frame; 13. a first filter sheet; 14. a second filter sheet; 15. a filter sleeve; 16. a third filter sheet; 17. a limiting block; 18. a vent gap; 19. a barrier wall; 20. a first seal strip; 21. a second seal strip.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-8 to make the technical solution of the present invention easier to understand and grasp.
An epidemic prevention mask for infectious diseases comprises a mask body 1, wherein transparent glass 2 and a respirator 4 are arranged on the mask body 1. The mask body 1 is worn on the face of a user, the user can view the surrounding environment through the transparent glass 2, and the respirator 4 can filter the outside air for the user who fits the mask body 1 to breathe.
The mask body 1 is provided with a fixed sleeve 3, the fixed sleeve 3 is in a circular ring structure, and the fixed sleeve 3 is communicated with the interior of the mask body 1.
The respirator 4 comprises a breathing sleeve 5, the breathing sleeve 5 is also in a circular ring structure, and the inner diameter and the outer diameter of the breathing sleeve 5 are the same as those of the fixed sleeve 3. Breathe cover 5 and connect in fixed cover 3, be equipped with two at least mutually independent holding passageway 6 in fixed cover 3, in this embodiment, the quantity that holds passageway 6 is three, and three 6 circumference arrays that hold are inside fixed cover 3, are equipped with three baffler wall 19 in breathing cover 5, and three baffler wall 19 is located respectively between two adjacent holding passageways 6, and baffler wall 19 both ends extend to being close to and keeping away from fixed cover 3 one side respectively, hold passageway 6 and communicate with each other through fixed cover 3 and the face guard body 1.
In each receiving channel 6, a filter element 11 is mounted, which filter element 11 is intended to filter out harmful substances in the air. Wherein, filtering piece 11 includes filtering frame 12, and filtering frame 12 installs in the passage mouth department that holds 6 near fixed cover 3's passageway, is equipped with first cassette 13 in filtering frame 12, and first filtering piece 11 and filtering frame 12 shelter from in holding the passage mouth that 6 are close to fixed cover 3 of passageway jointly. The filter frame 12 is also internally provided with a second filter sheet 14, the second filter sheet 14 comprises a circular ring-shaped filter sleeve 15, one end of the filter sleeve 15 is fixed on the filter frame 12, the orthographic projection of the first filter sheet 13 falls into one end of the filter sleeve 15 close to the fixed sleeve 3, one end of the filter sleeve 15 far away from the fixed sleeve 3 is provided with a third filter sheet 16, and a ventilation gap 18 is reserved between the outer sleeve wall of the filter sleeve 15 and the channel wall of the accommodating channel 6.
The end of the accommodating channel 6 close to the fixed sleeve 3 and the end far away from the fixed sleeve 3 are both provided with a rotating disc 7, the rotating disc 7 is disc-shaped, the middle part of the rotating disc 7 is rotatably connected with the fixed sleeve 3, the rotating disc 7 is provided with air vents 8, and the air vents 8 can be aligned to the channel openings of the accommodating channel 6 one by rotating the rotating disc 7. A rotating rod 9 is arranged on the rotating disc 7, and a rotating groove 10 for the rotating rod 9 to move is arranged between the fixed sleeve 3 and the breathing sleeve 5.
It is worth mentioning that the rotating disc 7 at the end remote from the fixed sleeve 3 can also be detached from the breathing sleeve 5 to facilitate the replacement of the filtering element 11 in the housing channel 6.
The outer sleeve wall of the filter sleeve 15 is provided with a limiting block 17, and the limiting block 17 is positioned between the filter sleeve 15 and the inner wall of the accommodating channel 6. The end part of the limiting block 17 is connected to the filter frame 12.
In addition, the side wall of the rotating disc 7 is provided with three first sealing strips 20, the number of the first sealing strips 20 is three, the three first sealing strips 20 are arranged in one-to-one correspondence with the three barrier walls 19, and the first sealing strips 20 can be abutted against the end parts of the barrier walls 19. The side wall of the rotating disc 7 is provided with a second sealing strip 21, the second sealing strip 21 is circular, the second sealing strip 21 is abutted to the end face of the breathing sleeve 5, and the first sealing strip 20 is connected to the second sealing strip 21.
In the specific use process, for the first time, the user applies force to the rotating rod 9, the two rotating disks 7 can rotate, the vent holes 8 in the two rotating disks 7 are aligned to the same accommodating channel 6, and the three first sealing strips 20 on the two rotating disks 7 are also abutted to the end parts of the three barrier walls 19 at the same time, so that the novel sealing device can be directly used.
After the device is used for a period of time, a user applies force to the rotating rods 9 again, the two rotating disks 7 can rotate again, the vent holes 8 in the two rotating disks 7 are aligned to the second accommodating channel 6, and meanwhile, the three first sealing strips 20 on the two rotating disks 7 are also abutted to the end parts of the three barrier walls 19 at the same time, so that the device can be directly used for the second time;
after the device is used for a period of time, a user applies force to the rotating rods 9 again, the two rotating disks 7 can rotate again, the vent holes 8 in the two rotating disks 7 are aligned to the third accommodating channel 6, and meanwhile, the three first sealing strips 20 on the two rotating disks 7 are also abutted to the end parts of the three barrier walls 19 at the same time, so that the device can be directly used for three times;
after the three uses, the rotating disk 7 at the end far away from the fixed sleeve 3 can be detached from the breathing sleeve 5, and the filter element 11 in the accommodating channel 6 can be directly replaced.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (7)
1. The utility model provides an infectious department epidemic prevention face guard, includes the face guard body (1), install clear glass (2) and respirator (4) on the face guard body (1), characterized by:
the mask body (1) is provided with a fixed sleeve (3), the respirator (4) comprises a breathing sleeve (5), the breathing sleeve (5) is connected with the fixed sleeve (3), at least two mutually independent accommodating channels (6) are arranged in the fixed sleeve (3), the containing channels (6) are communicated with the mask body (1) through a fixing sleeve (3), a filter element (11) is arranged in each containing channel (6), the filtering piece (11) is used for filtering harmful substances in the air, the end of the accommodating channel (6) close to the fixed sleeve (3) and the end far away from the fixed sleeve (3) are both provided with a rotating disc (7), the middle part of the rotating disc (7) is rotationally connected with the fixed sleeve (3), the rotating disc (7) is provided with a vent hole (8) through rotating the rotating disc (7), the vent holes (8) can be aligned to the passage openings of the accommodating passages (6) one by one;
be equipped with dwang (9) on rolling disc (7), be equipped with rotation groove (10) that supply dwang (9) to remove between fixed cover (3) and breathing cover (5).
2. An infectious disease control mask according to claim 1, wherein: the number of the accommodating channels (6) is three, and the three accommodating channels (6) are circumferentially arrayed in the fixed sleeve (3);
filter piece (11) including filtering frame (12), filter frame (12) and install in holding passageway (6) the entrance to a mouthful department near fixed cover (3), be equipped with first cassette (13) in filtering frame (12).
3. An infectious disease control mask as claimed in claim 2, wherein: still be equipped with second filter (14) in filter rack (12), second filter (14) are including annular filter sleeve (15) of circle, filter sleeve (15) one end is fixed in filter rack (12), first filter (13) orthographic projection falls into and is close to in filter sleeve (15) one end of fixed cover (3), deviates from filter sleeve (15) one end of fixed cover (3) and is equipped with third filter (16), leave air gap (18) between the outer wall of filter sleeve (15) and the wall of the passageway that holds passageway (6).
4. An infectious disease control mask according to claim 3, wherein: the outer sleeve wall of the filter sleeve (15) is provided with a limiting block (17), and the limiting block (17) is located between the filter sleeve (15) and the inner wall of the accommodating channel (6).
5. An infectious disease control mask according to claim 4, wherein: the end part of the limiting block (17) is connected to the filter frame (12).
6. An infectious disease mask according to any one of claims 2 to 5, wherein: be equipped with three separation wall (19) in breathing cover (5), three separation wall (19) are located two respectively adjacent hold between passageway (6), separation wall (19) both ends are respectively to being close to and keeping away from fixed cover (3) one side extension, be equipped with first sealing strip (20) on rolling disc (7) lateral wall, the quantity of first sealing strip (20) is three, and three first sealing strip (20) set up with three separation wall (19) one-to-one, first sealing strip (20) can offset with the tip of separation wall (19).
7. An infectious disease control mask according to claim 6, wherein: be equipped with second sealing strip (21) on rolling disc (7) lateral wall, second sealing strip (21) offset with the terminal surface of breathing cover (5), first sealing strip (20) all are connected on second sealing strip (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154546.8A CN111282169A (en) | 2020-03-08 | 2020-03-08 | Epidemic prevention mask for infectious department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154546.8A CN111282169A (en) | 2020-03-08 | 2020-03-08 | Epidemic prevention mask for infectious department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111282169A true CN111282169A (en) | 2020-06-16 |
Family
ID=71017335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010154546.8A Pending CN111282169A (en) | 2020-03-08 | 2020-03-08 | Epidemic prevention mask for infectious department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111282169A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002126111A (en) * | 2000-10-20 | 2002-05-08 | Koken Ltd | Opening-closing device of filter unit |
| US20080245364A1 (en) * | 2007-04-03 | 2008-10-09 | Keith Patterson | Filtering respirator with nasal and oral separation |
| US20090065006A1 (en) * | 2007-09-07 | 2009-03-12 | Keith Patterson | Filtering respirator with rotatable filter |
| CN202538097U (en) * | 2012-02-29 | 2012-11-21 | 郑州佳瑞生物科技有限责任公司 | Mask respirator |
| CN204182034U (en) * | 2014-10-30 | 2015-03-04 | 浙江川洋海绵有限公司 | The special anti-poison respirator in a kind of sponge foaming workshop |
| CN104955526A (en) * | 2013-02-01 | 2015-09-30 | 3M创新有限公司 | Respirator mask speech enhancement apparatus and method |
| CN105327467A (en) * | 2015-11-13 | 2016-02-17 | 惠州市环发环保科技有限公司 | Novel gas mask |
| CN206507369U (en) * | 2016-11-10 | 2017-09-22 | 天津市禧畅自行车有限公司 | A kind of mask of riding of adjustable oxygen absorbed |
| CN110193151A (en) * | 2019-04-15 | 2019-09-03 | 威海易一医疗器械有限公司 | A kind of industrial anti-dust mask |
-
2020
- 2020-03-08 CN CN202010154546.8A patent/CN111282169A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002126111A (en) * | 2000-10-20 | 2002-05-08 | Koken Ltd | Opening-closing device of filter unit |
| US20080245364A1 (en) * | 2007-04-03 | 2008-10-09 | Keith Patterson | Filtering respirator with nasal and oral separation |
| US20090065006A1 (en) * | 2007-09-07 | 2009-03-12 | Keith Patterson | Filtering respirator with rotatable filter |
| CN202538097U (en) * | 2012-02-29 | 2012-11-21 | 郑州佳瑞生物科技有限责任公司 | Mask respirator |
| CN104955526A (en) * | 2013-02-01 | 2015-09-30 | 3M创新有限公司 | Respirator mask speech enhancement apparatus and method |
| CN204182034U (en) * | 2014-10-30 | 2015-03-04 | 浙江川洋海绵有限公司 | The special anti-poison respirator in a kind of sponge foaming workshop |
| CN105327467A (en) * | 2015-11-13 | 2016-02-17 | 惠州市环发环保科技有限公司 | Novel gas mask |
| CN206507369U (en) * | 2016-11-10 | 2017-09-22 | 天津市禧畅自行车有限公司 | A kind of mask of riding of adjustable oxygen absorbed |
| CN110193151A (en) * | 2019-04-15 | 2019-09-03 | 威海易一医疗器械有限公司 | A kind of industrial anti-dust mask |
Non-Patent Citations (1)
| Title |
|---|
| 丁启圣 等: "《新型实用过滤技术（第4版）》", 31 December 2017, 冶金工业出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200616 |
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| RJ01 | Rejection of invention patent application after publication |