CN103445880A - Gas single flow direction animal mouth and nose type inhalation toxicology face mask - Google Patents
Gas single flow direction animal mouth and nose type inhalation toxicology face mask Download PDFInfo
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- CN103445880A CN103445880A CN2013104172163A CN201310417216A CN103445880A CN 103445880 A CN103445880 A CN 103445880A CN 2013104172163 A CN2013104172163 A CN 2013104172163A CN 201310417216 A CN201310417216 A CN 201310417216A CN 103445880 A CN103445880 A CN 103445880A
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Abstract
The invention provides a gas single flow direction animal mouth and nose type inhalation toxicology face mask which comprises a bell-shaped cup and a wedge section-shaped soft face mask placed at the bell mouth, wherein a mouth-nose opening which can stretch into and seal an animal mouth nose part is formed in the middle of the wedge section-shaped soft face mask; the outer ring of the wedge section-shaped soft face mask is provided with a soft mask covering edge which can tightly wrap the protruding eave of the bell-shaped cup; the outer wall of the bell-shaped cup is tightly wrapped with a soft mask covering opening extending from the soft mask covering edge; a hook mask fixing ring outside the soft mask covering opening is provided with three fixed hooks, which can be connected to a head top fixed belt and two-side fixed belts in a tightly handing manner on an animal neck cover; a discharged gas check valve arranged at the top of the bell-shaped cup is connected to waste gas adsorption equipment; an air inlet check valve arranged at the middle-upper part of the bell-shaped cup is connected to a toxic gas source device; a liquid discharge switch arranged at the middle-lower part of the bell-shaped cup is connected to a liquid receiving bottle. The inhalation toxicology face mask provided by the invention has the benefits that the inhalation toxicology face mask can be fixed at the animal mouth nose part rapidly and tightly, the single flow of the gas can be controlled well, meanwhile, saliva secreted from an animal mouth in the test can be cleared away, and the requirements of animal mouth and nose inhalation toxicology can be met.
Description
Technical field
The invention provides a kind of gas single current to animal mouth and nose formula Inhalation face shield.
Background technology
Utilize in recent years medium-sized and larger animal for example: horse, pig, sheep, dog, cat particularly dog class animal carries out respiration test, be used for studying Sucked medicine and pollutants in air and pathogen for the anthropogenic influence, research and the application of this type of simulation scientific experiments obtain develop rapidly, in current scientific experiments research and application, great majority only can be with on simple respiratory surface enclosure animal mouth and nose, by one, hose connectionly adding a drain hose to the compressed air source unit of contaminating again and be connected to outdoor, simple face shield is had no idea fine fixing, easily loose or dislocation pollutes, the simple pipeline that does not have one-way cock to control may cause two-way ventilation repeatedly, the waste gas such as carbon dioxide that animal is breathed out can be repeated to suck, the exhaust gas dilution that specific contamination gas can be breathed out, waste gas streams can cause the contamination inhaled concentration inaccurate to may reversely turning back to the contamination source of the gas, carbon dioxide accumulation concentration raises and causes the laboratory animal anoxia, not having the face shield of specific draining function can make the saliva of animal secretion in test pollute or stopping up nostril etc. shortcoming becomes when last large technical barrier, had a strong impact on and restricted the research of this type of scientific experiments, application and development, so develop a kind of medium-sized and larger animal mouth nose of can tightly being fixed on fast, do not have the anti-stream of the gas cross gas single current that the saliva of animal secretion pollutes in clearance test at any time again to become current urgent needs to animal mouth and nose formula Inhalation face shield.
Summary of the invention
For solving the problem existed in above-mentioned technology, the purpose of this invention is to provide a kind of gas single current to animal mouth and nose formula Inhalation face shield.
For achieving the above object, technical scheme of the present invention is to provide a kind of gas single current to animal mouth and nose formula Inhalation face shield, comprise a bell cup that can surround the animal snoot, outside bell cup flare, it is a wedge cross section soft face mask, leave the mouth nose opening that can put in and seal animal mouth and nose part in the middle of the soft face mask of wedge cross section, the outer ring of wedge cross section soft face mask is that the protrusion cornice that the soft cover bound edge of a circle can pack tightly bell cup plays fixing and sealing function, soft cover bound edge extends a soft cover bag mouth and holds tightly on bell cup outer wall, the cover of the hook with three a fixed hooks retainer ring is equipped with in soft cover bag mouth outside, hang to be close to respectively and receive crown fixing band and two the both sides fixing bands that the animal neck puts, the top of bell cup is an exhaust port pipe with discharge gas check valve, the exhaust port pipe connects an exhaust gas adsorption device by exhaust connection, exhaust gas adsorption device inside has the waste gas adsorbing material can carry out to the waste gas of discharging safety dumping after adsorption treatment, the middle upper portion of bell cup is a pipe of the intake interface with breather check valve, the intake interface pipe connects a contamination compressed air source unit for Animal Inhalation Toxicity Exposure gas by inlet pipe connection, the middle lower portion of bell cup is a mouthpiece of the discharge opeing with draining switch, it is tightly connected one and receives the liquid that the liquid bottle can be collected animal secretion in experimentation.
The invention has the beneficial effects as follows that having developed a kind of gas single current can be good at overcoming simple breathing mask in current scientific experiments research and application to animal mouth and nose formula Inhalation face shield and have no idea fine fixing, easily loose or dislocation pollutes, the simple pipeline that does not have one-way cock to control may cause two-way ventilation repeatedly, the waste gas such as carbon dioxide that animal is breathed out can be repeated to suck, the exhaust gas dilution that specific contamination gas can be breathed out, waste gas streams can cause the contamination inhaled concentration inaccurate to may reversely turning back to the contamination source of the gas, carbon dioxide accumulation concentration raises and causes the laboratory animal anoxia, do not have the face shield of specific draining function can make the saliva of animal secretion in test pollute or stop up the technical barrier of nostril etc. shortcoming, can tightly be fixed on fast medium-sized and larger animal mouth nose, well control the gas one way flow, there is no the anti-stream of the gas cross saliva of animal secretion in clearance test at any time again, the needs of animal mouth and nose formula Inhalation have been satisfactorily resolved, can be used widely in for the research of anthropogenic influence's simulation scientific experiments and application research Sucked medicine and pollutants in air and pathogen.
The accompanying drawing explanation
Accompanying drawing is the structural representation of a kind of gas single current of the present invention to animal mouth and nose formula Inhalation face shield
In figure
1, inlet pipe connection 2, intake valve port 3, discharge gas check valve sheet 4, waste gas adsorbing material
5, exhaust gas adsorption device 6, exhaust port pipe 7, exhaust connection 8, sealing joint circle
9, discharge valve port while 10, receive liquid bottle 11, discharge opeing mouthpiece 12, draining switch
13, fixed hook 14, hook cover retainer ring 15, both sides fixing band 16, animal neck cover
17, crown fixing band 18, wedge cross section soft face mask 19, soft cover bound edge 20, protrusion cornice
21, bell cup 22, contamination compressed air source unit 23, intake interface pipe 24, breather check valve sheet
25, breather check valve 26, discharge gas check valve 27, mouth nose opening 28, soft cover bag mouth.
the specific embodiment
Reaching by reference to the accompanying drawings embodiment is illustrated to animal mouth and nose formula Inhalation face mask structure a kind of gas single current of the present invention.
As shown in drawings, the invention provides a kind of gas single current to animal mouth and nose formula Inhalation face shield, comprise a bell cup 21 that can surround the animal snoot, bell cup 21 is thin-wall construction animal face shields mellow and full as the smooth outer surface of bell shape that a transparent sturdy material is made, its size and profile are changed to some extent with different animals mouth and nose shape, in flare part, it is the protrusion cornice 20 that a circle is greater than bell cup 21 external diameters, at bell cup 21 tops, exhaust port pipe 6 is arranged, near position directly over the animal nose, intake interface pipe 23 is arranged in bell cup 21 middle and upper parts, under the close animal mouth in bell cup 21 middle and lower parts, there is discharge opeing mouthpiece 11 position, outside bell cup 21 flare, it is a wedge cross section soft face mask 18, wedge cross section soft face mask 18 is a circle of being made by the flexible rubber material flat circle bowls with soft cover bag mouth 28, leave with circular mouth nose opening 27 concentric at the bottom of bowl and can put in and seal animal mouth and nose part in the middle of the wedge cross section soft face mask 18 at the bowl end, the soft cover bound edge 19 that extends to outmost turns from mouth nose opening 27 limits adopts the wedge shape section of thickening gradually, ragged edge is that soft cover bound edge 19 its thickness of a circle are the thickest, soft cover bound edge 19 interior shapes are that a circular groove just in time coordinates the protrusion cornice 20 that packs tightly bell cup 21 to play fixing and sealing function, soft cover bound edge 19 outer rings of wedge cross section soft face mask 18 are extended the soft cover bag of circle mouth 28 to vertical direction and are held tightly on bell cup 21 outer walls, the cover of the hook with three fixed hooks 13 retainer ring 14 is equipped with in soft cover bag mouth 28 outsides, hook cover retainer ring 14 can from the soft cover bag mouth 28 that is fixed and clamped, it is the annulus that a metal material is made, its diameter is made larger than bell cup 21 outside dimensions, less than soft cover bag mouth 28 outside dimensions, can compress soft cover bag mouth 28 not loosening on bell cup 21, three fixed hooks 13 are arranged on the equilateral triangle shaped position of hook cover retainer ring 14, wherein there is a fixed hook 13 to be arranged on topmost to be beneficial to fixedly animal neck and overlap the crown fixing band 17 on 16, two other fixed hook 13 is hung respectively and is close to two both sides fixing bands 15 receiving on animal neck cover 16, the front end of each fixing band is uniform-distribution with a plurality of fixing holes, bell cup 21 tops are the exhaust port pipes 6 with discharge gas check valve 26, exhaust port pipe 6 is one and is arranged on bell cup 21 top circular short tubes, be equipped with in its short tube inside and discharge gas check valve 26, discharge gas check valve 26 a circular discharge valve port while 9 that protrudes from inside pipe wall is arranged, by on bell cup 21 outer side edges, the discharge gas check valve sheet 3 that can only outwards open is housed at it, one circle sealing joint circle 8 is installed in the short tube outside and can be sealably coupled to exhaust gas adsorption device 5 with exhaust connection 7, exhaust gas adsorption device 5 inside have waste gas adsorbing material 4 can carry out to the waste gas of discharging safety dumping after adsorption treatment, the middle upper portion of bell cup 21 is the pipes of the intake interface with breather check valve 25 23, intake interface pipe 23 is circular short tubes that are arranged on bell cup 21 middle and upper parts, in its short tube inside, breather check valve 25 is installed, breather check valve 25 has a circular intake valve port 2 that protrudes from inside pipe wall, by on bell cup 21 inner side edges, the breather check valve sheet 24 that can only inwardly open is housed at it, one circle sealing joint circle 8 is installed in the short tube outside and can be sealably coupled to contamination compressed air source unit 22 for Animal Inhalation Toxicity Exposure gas with inlet pipe connection 1, the middle lower portion of bell cup 21 is the mouthpieces of the discharge opeing with draining switch 12 11, discharge opeing mouthpiece 11 is circular short tubes, in its short tube inside, draining switch 12 is installed, one circle sealing joint circle 8 is installed in the short tube outside and can be sealably coupled to the bottleneck of receiving liquid bottle 10, receive liquid bottle 10 and can collect the liquid of animal secretion in experimentation.
Embodiment:
Use a kind of gas single current of the present invention should at first according to the required type of animal of doing experiment, determine the contamination face shield of equal size before animal mouth and nose formula Inhalation face shield is tested, it is carried out to cleaning and disinfection, wedge cross section soft face mask 18 is arranged on bell cup 21, guarantee that soft cover bound edge 19 inner circular grooves just in time coordinate the protrusion cornice 20 that packs tightly bell cup 21, make it play fixing and sealing function, then with the handspring limit, soft cover bag mouth 28 is held tightly on bell cup 21 outer walls, install hook cover retainer ring 14 in soft cover bag mouth 28 outsides again, because the diameter of hook cover retainer ring 14 is larger than bell cup 21 outside dimensions, less than soft cover bag mouth 28 outside dimensions, when downward compression hook cover retainer ring 14 just can from the soft cover bag mouth 28 that is fixed and clamped, make it not loosening on bell cup 21, fix animal neck cover 16 on the neck of animal used as test, should guarantee also not become flexible and should be able to unimpededly breathe, the mouth ose bag of aiming at animal used as test with the concentric circular mouth nose opening 27 in the flat circle bowl bowl end on wedge cross section soft face mask 18 on mounted animal contaminated face shield is good, firmly the animal face shield is advanced and makes animal mouth and nose partly put in circular mouth nose opening 27 good seal to laboratory animal head, because the soft cover bound edge 19 that extends to outmost turns from mouth nose opening 27 limits adopts the wedge shape section of thickening gradually, soft cover bound edge 19 its thickness of a circle of ragged edge are the thickest, so can fully seal firmly, can't tear, the crown fixed band 17 that fixedly the animal neck of animal overlaps on 16 is strained, overhead the front end of fixed band 17 tops is uniform-distribution with a plurality of fixing holes, the fixed hook 13 that selects the fixing hole of one of them suitable length to aim on the equilateral triangle shaped position be arranged on hook cover retainer ring 14 topmost packs into fixing, the both sides fixed band 15 that fixedly the animal neck of animal overlaps on 16 is respectively again strained, front end in both sides fixed band 15 tops also is uniform-distribution with a plurality of fixing holes, the fixed hook 13 that selects the fixing hole of one of them suitable length to aim at dual-side on the equilateral triangle shaped position be arranged on hook cover retainer ring 14 packs into fixing, now no matter animal used as test how the whipping head can not make contamination face shield loose or dislocation yet, can only be along with the expiration of animal used as test is outwards opened through the discharge gas check valve sheet 3 of observing on the discharge gas check valve 26 that is arranged on exhaust port pipe 6 inside, bell cup 21 top, discharging gas check valve sheet 3 when air-breathing can be adjacent to a circular discharge valve port while 9 that protrudes from inside pipe wall the discharge gas check valve 26 of exhaust port pipe 6 inside is closed, be arranged on air-breathing to the interior unlatching of bell cup 21 that breather check valve sheet 24 on the breather check valve 25 of intake interface pipe 23 inside of bell cup 21 middle upper portion can only be along with animal used as test simultaneously, during expiration, breather check valve sheet 24 can be adjacent to a circular intake valve port 2 that protrudes from inside pipe wall the breather check valve 25 of intake interface pipe 23 inside is closed, discharge gas check valve sheet 3 and breather check valve sheet 24 and form along with animal used as test breathes respectively alternately open closed the individual event gas flow that does not affect animal breathNow first the exhaust connection of exhaust gas adsorption device 57 being sealably coupled to exhaust port pipe 6 short tube outsides is equipped with circle sealing joint circle 8 places and is connected and fixed, the inlet pipe connection 1 of compressed air source unit 22 of contaminating again is connected to intake interface pipe 23 short tube outsides and one circle sealing joint circle 8 places are installed are connected and fixed, just can the contamination gas one way flow in contamination compressed air source unit 22 is interior for Animal Inhalation Toxicity Exposure gas to bell cup 21, and the waste gas one direction that animal used as test is breathed out passes out to exhaust gas adsorption device 5, waste gas is safety dumping after the waste gas sorbing material 4 of exhaust gas adsorption device 5 inside can carry out adsorption treatment, the waste gas such as carbon dioxide that in whole experimentation, animal is breathed out have one-way cock to control can not cause two-way ventilation repeatedly, waste gas streams is to also can not reversely turning back to contamination compressed air source unit 22, can not cause the animal used as test anoxic that the contamination inhaled concentration is inaccurate or carbon dioxide accumulation concentration raises and causes, the exhaust gas dilution that specific contamination gas also can not be breathed out, breathing mask can be easy to install fixing can not just can not polluting by loose or dislocation, and the face shield that specific draining function is arranged can not make the saliva of animal secretion in experiment pollute or stop up nostril, at first disconnect the inlet pipe connection 1 of contamination compressed air source unit 22 after having tested, disconnect again the exhaust connection 7 of exhaust gas adsorption device 5, unclamp animal neck 16 covers on the animal used as test neck, take off the fixedly fixed hook 13 of the hook cover retainer ring 14 of crown fixed band 17 and two both sides fixed bands 15, release gently the animal face shield that is arranged on animal used as test mouth and nose part, the receipts liquid bottle 10 be connected on pulling down the wedge cross section soft face mask 18 that is arranged on bell cup 21 and being arranged on the discharge opeing mouthpiece 11 of bell cup 21 middle lower portion with draining switch 12, by receiving the animal secreting liquid of collecting in the inner experiment of liquid bottle 10, clean up.
Claims (7)
1. a gas single current is to animal mouth and nose formula Inhalation face shield, it is characterized in that: comprise a bell cup (21) that can surround the animal snoot, outside bell cup (21) flare, it is a wedge cross section soft face mask (18), leave the mouth nose opening (27) that can put in and seal animal mouth and nose part in the middle of wedge cross section soft face mask (18), the outer ring of wedge cross section soft face mask (18) is that the protrusion cornice (20) that a soft cover bound edge of circle (19) can pack tightly bell cup (21) plays fixing and sealing function, soft cover bound edge (19) extends a soft cover bag mouth (28) and holds tightly on bell cup (21) outer wall, a retainer ring of the hook cover with three fixed hooks (13) (14) is equipped with in soft cover bag mouth (28) outside, fixed hook (13) is hung respectively and is close to crown fixing band (17) and two the both sides fixing bands (15) of receiving on animal neck cover (16), bell cup (21) top is an exhaust port pipe (6) with discharge gas check valve (26), exhaust port pipe (6) connects an exhaust gas adsorption device (5) by exhaust connection (7), exhaust gas adsorption device (5) inside has waste gas adsorbing material (4) can carry out to the waste gas of discharging safety dumping after adsorption treatment, the middle upper portion of bell cup (21) is an intake interface pipe with breather check valve (25) (23), intake interface pipe (23) connects a contamination compressed air source unit (22) for Animal Inhalation Toxicity Exposure gas by inlet pipe connection (1), the middle lower portion of bell cup (21) is a discharge opeing mouthpiece with draining switch (12) (11), discharge opeing mouthpiece (11) is tightly connected one and receives liquid bottle (10) and can collect the secreting liquid of animal in experimentation.
2. a kind of gas single current according to claim 1 is to animal mouth and nose formula Inhalation face shield, it is characterized in that: described bell cup (21) is the thin-wall construction animal face shield mellow and full as the smooth outer surface of bell shape that a transparent sturdy material of use is made, its size and profile are changed to some extent with different animals mouth and nose shape, in flare part, it is the protrusion cornice (20) that a circle is greater than bell cup (21) external diameter, at bell cup (21) top, exhaust port pipe (6) is arranged, near position directly over the animal nose, intake interface pipe (23) is arranged in bell cup (21) middle and upper part, under the close animal mouth in bell cup (21) middle and lower part, there is discharge opeing mouthpiece (11) position.
3. a kind of gas single current according to claim 1 is to animal mouth and nose formula Inhalation face shield, it is characterized in that: described wedge cross section soft face mask (18) is the flat circle bowl of a circle of being made by the flexible rubber material with soft cover bag mouth (28), the bowl of wedge cross section soft face mask (18) leaves and circular mouth nose opening (27) concentric at the bottom of bowl at the end, can put in and seal animal mouth and nose part, the soft cover bound edge (19) that extends to outmost turns from mouth nose opening edge adopts the wedge shape section of thickening gradually, the thickness of the one soft cover bound edge of circle (19) of ragged edge is the thickest, its interior shape is that a circular groove just in time coordinates the protrusion cornice (20) that packs tightly bell cup (21), the outer ring of soft cover bound edge (19) is extended a circle soft cover bag mouth (28) to vertical direction and is held tightly on bell cup (21) outer wall, hook cover retainer ring (14) can from the soft cover bag mouth (28) that is fixed and clamped.
4. a kind of gas single current according to claim 1 is to animal mouth and nose formula Inhalation face shield, it is characterized in that: described hook cover retainer ring (14) is the annulus that a metal material is made, its diameter is made larger than bell cup (21) outside dimension, less than soft cover bag mouth (28) outside dimension, can compress soft cover bag mouth (28) not loosening on bell cup (21), three fixed hooks (13) are arranged on the equilateral triangle shaped position of hook cover retainer ring (14), wherein there is a fixed hook (13) to be arranged on topmost to be beneficial to the crown fixing band (17) on fixing animal neck cover (16), two other fixed hook (13) is hung respectively and is close to two both sides fixing bands (15) of receiving on animal neck cover (16), the front end of each fixing band is uniform-distribution with a plurality of fixing holes.
5. a kind of gas single current according to claim 1 is to animal mouth and nose formula Inhalation face shield, it is characterized in that: described exhaust port pipe (6) is a circular short tube that is arranged on bell cup (21) top, be equipped with in its short tube inside and discharge gas check valve (26), discharge gas check valve (26) a circular discharge valve port while (9) that protrudes from inside pipe wall is arranged, near on bell cup (21) outer side edges, the discharge gas check valve sheet (3) that can only outwards open is housed at it, in the short tube outside, be equipped with a circle sealing joint circle (8) can and exhaust connection (7) be sealably coupled to exhaust gas adsorption device (5).
6. a kind of gas single current according to claim 1 is to animal mouth and nose formula Inhalation face shield, it is characterized in that: described intake interface pipe (23) is a circular short tube that is arranged on bell cup (21) middle and upper part, in its short tube inside, breather check valve (25) is installed, breather check valve (25) has a circular intake valve port (2) that protrudes from inside pipe wall, by on bell cup (21) inner side edge, the breather check valve sheet (24) that can only inwardly open is housed at it, in the short tube outside, be equipped with a circle sealing joint circle (8) can and inlet pipe connection (1) be sealably coupled to the contamination compressed air source unit (22).
7. a kind of gas single current according to claim 1 is to animal mouth and nose formula Inhalation face shield, it is characterized in that: described discharge opeing mouthpiece (11) is a circular short tube that is arranged on bell cup (21) middle and lower part, in its short tube inside, draining switch (12) is installed, a circle sealing joint circle (8) is installed in the short tube outside and can be sealably coupled to the bottleneck of receiving liquid bottle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310417216.3A CN103445880B (en) | 2013-09-13 | 2013-09-13 | Gas single flow direction animal mouth and nose type inhalation toxicology face mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310417216.3A CN103445880B (en) | 2013-09-13 | 2013-09-13 | Gas single flow direction animal mouth and nose type inhalation toxicology face mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103445880A true CN103445880A (en) | 2013-12-18 |
| CN103445880B CN103445880B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310417216.3A Expired - Fee Related CN103445880B (en) | 2013-09-13 | 2013-09-13 | Gas single flow direction animal mouth and nose type inhalation toxicology face mask |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107582208A (en) * | 2017-10-19 | 2018-01-16 | 东阿阿胶股份有限公司 | One breeding ass operating table |
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2013
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| CN103445880B (en) | 2015-04-22 |
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Granted publication date: 20150422 Termination date: 20160913 |