CN102788868B - Whole-body and only-nose compatible breathing toxicity test equipment - Google Patents
Whole-body and only-nose compatible breathing toxicity test equipment Download PDFInfo
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- CN102788868B CN102788868B CN201210321622.5A CN201210321622A CN102788868B CN 102788868 B CN102788868 B CN 102788868B CN 201210321622 A CN201210321622 A CN 201210321622A CN 102788868 B CN102788868 B CN 102788868B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
- A61D7/04—Devices for anaesthetising animals by gases or vapours; Inhaling devices
Abstract
The invention provides whole-body and only-nose compatible breathing toxicity test equipment which comprises a main gas flow round tube, a lifting rack and experimental animals, wherein the main gas flow round tube and the lifting rack are arranged on a whole-body cabin and can move up and down; a plurality of branch pipes are arranged along the periphery of the main gas flow round tube; a plurality of branch pipes are respectively and oppositely inserted into rat rack mounting holes; only noses of the experimental animals are exposed out; mixed gas flow flows to the noses of the experimental animals through the corresponding branch pipes to be breathed, carbon dioxide gas which is breathed out overflows from rat rack side flow holes and flows downward to an exhaust port along a side flow cylinder to be exhausted so as to complete the only-nose breathing toxicity test; and when the whole-body breathing toxicity test is carried out, the main gas flow round tube is lifted up, single animal cages are arranged at the bottom of the whole-body cabin, the mixed gas flow is diffused downward in the side flow cylinder from the main gas flow round tube along the branch pipes to carry out whole-body breathe-in toxicity test. The whole-body and only-nose compatible breathing toxicity test equipment has the beneficial effects that one set of equipment has functions of the whole-body breathing toxicity test and the only-nose breathing toxicity test; and the whole-body and only-nose compatible breathing toxicity test equipment is widely applied in the scientific research on the occupational health, the military science, the environmental protection, the respiratory medicine and the like.
Description
Technical field
The invention provides a kind of whole body and breathe toxicity test equipment with only nose Campatible.
Background technology
Along with the development of people's respiratory disease scientific research, increasing pathological study needs to carry out breathing toxicity test to verify the degree of some gaseous material for mankind's Harmfulness analyse, past all adopt whole body independently breathe toxicity test equipment or only nasal respiration toxicity test equipment complete, whole body is breathed toxicity test equipment and is adopted whole body cabin to put into animal used as test to test, its advantage is that device structure is simple, animal used as test freely can carry out long period of experiments by the movable animation more got close to nature, shortcoming is that consumption medicine is many, out of true, the skin of animal can be infected, animal can by licking accuracy of causing Poisoning Effect result etc., and only nasal respiration toxicity test equipment use animal fixed mount constraint animal used as test only exposes nose and aims at respective gas transmission branch pipe, its advantage can control gas only flow to animal used as test nose and can not pollute animal used as test skin, can not cause because animal licks the experiment interference caused, because flowing cavity is less, so save experimental drug thing, to control the indexs such as mixed gas concentration more accurate simultaneously, but shortcoming needs constraint animal used as test so can not carry out breathing toxicity test for a long time, animal used as test can not be freely movable so the animation that can not get close to nature, there is certain experimental error, the experimental facilities of two kinds of modes respectively has relative merits can not substitute completely mutually again, the cost of two kinds of equipment is all higher and floor area is larger, implacable contradiction is brought to the application of scientific research institution and scientific experiment, in order to not take greater room and reduce the fund that testing equipment is overlapped in purchase two, two kinds of different modes and function just can be had concurrently by very little and conversion very easily at any time on a set of equipment, whole-body type breathing toxicity test can be completed and also can complete only nose formula breathing toxicity test, breathe toxicity test equipment breathe toxicity test and become current urgent needs so develop a kind of whole body and only nose Campatible to complete above-mentioned two kinds.
Summary of the invention
For solving the problem, the object of this invention is to provide a kind of whole body and breathe toxicity test equipment with only nose Campatible, comprise the primary air pipe moving up and down on whole body cabin and lifter rack, arrange some branch pipes respectively facing to inserting the animal used as test only allowing nose expose in mouse frame mounting hole along primary air pipe surrounding, mixed airflow flows to animal used as test nose position by each branch pipe and sucks, the carbon dioxide gas of breathing out overflows from mouse frame flow by port discharges along by-pass flow cylinder down to exhausr port, and the only nose formula that completes breathes toxicity test; Carry out when whole-body type breathes toxicity test, primary air pipe being promoted; single cage for animal is put into bottom whole body cabin; mixed airflow carries out the experiment of whole-body type toxicity on inhalation along branch pipe disperse downwards from primary air pipe in by-pass flow cylinder; a set of equipment just can have concurrently whole-body type breathe toxicity test also and only nose formula breathe toxicity test function, widespread use in the scientific researches such as occupational health, military science, environmental protection, breathing medical science.
For achieving the above object, the technical solution used in the present invention is to provide a kind of whole body and breathes toxicity test equipment with only nose Campatible, wherein: be included in top, a whole body cabin and top, cabin sealing shroud is installed, cabin top sealing shroud close fit primary air pipe moving up and down, top, cabin sealing shroud is a disc adapter sleeve, the cylindrical of its disk is tightly connected the top in whole body cabin, through primary air pipe in the middle of the inner circle of disk, be inlaid with double-layer seal cushion rubber in the middle of the inner circle of disk and tightly surround the primary air pipe of tubular and the gap between double-layer seal cushion rubber fills lubricant grease, gap between cabin top sealing shroud and primary air pipe would not leak gas and primary air pipe push up in cabin in sealing shroud can move and rotate flexible.Primary air pipe top is communicated with and is mixed into gas port, the circular gear engagement that primary air pipe top top connects a lifter rack to be main elevating mechanism be a vertically arranged strip lifter rack and a lifting motor are installed to, the limited bearing in lifter rack back is fixed, lifting motor driven gear rotates and lifter rack is moved up and down, lifter rack upper and lower side is all provided with the maximum position of travel switch constraint lifting moving, a turning axle is had to be connected with primary air pipe bottom at lifter rack, turning axle can retrain primary air pipe up and down along with lifter rack moves and primary air pipe can be allowed to rotate freely.Primary air pipe moves up and down the mode that can change experiment, primary air pipe arbitrarily can rotate the only nose fixed mount that animal used as test is housed by means of only the hatch door opened with handled easily person in the sealing shroud of top, cabin, the equidistant surrounding along primary air pipe in primary air pipe bottom arrange several branch pipes face respectively be enclosed in primary air pipe Lower Half by-pass flow cylinder on each mouse frame mounting hole, by-pass flow cylinder top and primary air pipe are closed and connected bottom is unlimited base opening, base is inlayed a circle sealing joint cushion rubber to be just in time pressed on exhaust port when primary air pipe is fallen and to play sealing function, exhaust port and by-pass flow cylinder hold out against air tight by the following fulcrum bar of the spring of exhaust port, animal used as test is put into rear portion that only nose fixed mount internal fixtion regulates well push bolt tail top cover to be held out against animal used as test to allow the head of animal used as test withstand neck O-ring seal only to allow nose expose, then mouse frame mounting hole clamping is inserted, mouse frame O-ring seal ensures by-pass flow cylinder and only nose fixed mount good seal is air tight, the mixed airflow brought from the mixed admission oral instructions of primary air pipe top to be flow into each animal used as test only firmly retrained in nose fixed mount corresponding along primary air pipe nose position by each branch pipe sucks, and the carbon dioxide come of breathing out is discharged through vent valve adjustment along space in by-pass flow cylinder down to gas outlet after the mouse frame flow by port be reserved in only nose fixed mount overflows, thus the only nose formula of completing breathe toxicity test due to and the carbon dioxide that comes of breathing out is discharged through vent valve adjustment along space in by-pass flow cylinder down to gas outlet after the mouse frame flow by port be reserved in only nose fixed mount overflows, and can not be blended in without interference experiment result in the mixed airflow breathed, interface due to all connections has O-ring seal to seal so can not be spilt into any space outside by-pass flow cylinder in whole process of the test by mixed gas, ensure animal used as test only nose contact mixed airflow and the not mixed air stream contamination of other parts of health, by the animal used as test firmly retrained also can not have lick that mixed airflow is infected with any may thus ensure that breathing the accurate of toxicity test has discharged the disturbing factor that other reasons causes, lifter rack and primary air pipe is driven to raise up when needs carry out starting lifting motor driven wheel when whole-body type breathes toxicity test, cabin top sealing shroud in have O-ring seal can ensure static and upwards lifter motion time there is no gas leakage, when the primary air pipe raised up and by-pass flow cylinder leave larger space to the bottom in whole body cabin, just can by putting ventilative platform and lay single the cage for animal that animal used as test is housed on ventilative platform bottom whole body cabin, open the mixed airflow that input needs to test toxicity, mixed airflow enters several branch pipes of primary air pipe equidistant arrangement of the surrounding along primary air pipe to bottom from being mixed into gas port, each branch pipe face respectively be again enclosed in primary air pipe Lower Half by-pass flow cylinder on each mouse frame mounting hole, mixed airflow can from each mouse frame mounting hole even dispersion out also can in by-pass flow cylinder the downward even dispersion in space, mixed airflow just in time can be evenly distributed on disperse downwards everywhere in whole body cabin by this multi-direction disperse, the mixed airflow that animal used as test sucks disperse carries out whole-body type breathing toxicity test, and the carbon dioxide that exhalation comes and unnecessary mixed airflow enter gas outlet through vent valve adjustment discharge down to exhaust port, bottommost is provided with water drain valve and can opens and discharge water when rinsing, because single the cage for animal of every animal used as test is enough large, so in experimentation animal used as test be in all the time not only can freely in the movable but also natural animation be independent of each other, experiment for a long time and the requirement more meeting natural conditions can be met better.
Effect of the present invention there is provided a kind of whole body and breathes toxicity test equipment with only nose Campatible, design and develop out a kind of more scientific, more robotization, more economically do not taking greater room and to reduce on basis that purchase two overlaps the fund of testing equipment on a set of equipment by very little and convert the breathing toxicity test function that just can have two kinds of different modes concurrently very easily, whole-body type breathing toxicity test can be completed and also can complete only nose formula breathing toxicity test, in occupational health, military science, environmental protection, chemical material, breathe widespread use in the physicisms such as medical science.
Accompanying drawing explanation
Fig. 1 is present device carrying out structural representation when only nose formula breathes toxicity test
Fig. 2 is the structural representation of present device when carrying out whole-body type breathing toxicity test
In figure
1, gear 2, lifting motor 3, travel switch
4, gas port 5, primary air pipe 6, mouse frame flow by port is mixed into
7, animal used as test 8, tail top cover 9, push bolt
10, tail fixed head 11, branch pipe 12, by-pass flow cylinder
13, water drain valve 14, exhaust port 15, fulcrum bar of the spring
16, sealing joint cushion rubber 17, gas outlet 18, vent valve
19, neck O-ring seal 20, mouse frame O-ring seal 21, hatch door
22, only sealing shroud is pushed up in nose fixed mount 23, whole body cabin 24, cabin
25, lubricant grease 26, double-layer seal cushion rubber 27, turning axle
28, lifter rack 29, Limit Bearing 30, mouse frame mounting hole
31, single cage for animal 32, ventilative platform
Embodiment
Composition graphs 1 and Fig. 2 and embodiment are breathed toxicity test equipment to a kind of whole body of the present invention and only nose Campatible and are illustrated.
As depicted in figs. 1 and 2, the invention provides a kind of whole body and breathe toxicity test equipment with only nose Campatible, wherein: be included in whole body cabin (23) top and top sealing shroud, cabin (24) is installed, cabin top sealing shroud (24) close fit one primary air pipe (5) moving up and down, top sealing shroud, cabin (24) is a disc adapter sleeve, the cylindrical of its disk is tightly connected the top in whole body cabin (23), through primary air pipe (5) in the middle of the inner circle of disk, be inlaid with double-layer seal cushion rubber (26) in the middle of the inner circle of disk and tightly surround the primary air pipe (5) of tubular and the gap between double-layer seal cushion rubber (26) fills lubricant grease (25), top sealing shroud, cabin (24) and the gap between primary air pipe (5) would not leak gas and primary air pipe (5) push up in sealing shroud (24) in cabin can move and rotate flexible.Primary air pipe (5) top is communicated with and is mixed into gas port (4), it be main elevating mechanism is that a vertically arranged strip lifter rack (28) and a upper circular gear (1) installed of lifting motor (2) engage that primary air pipe (5) top top connects a lifter rack (28), the limited bearing in lifter rack (28) back (29) is fixed, lifting motor (2) driven gear (1) rotates and lifter rack (28) is moved up and down, lifter rack () upper and lower side is all provided with the maximum position of travel switch (3) constraint lifting moving, a turning axle (27) is had to be connected with primary air pipe (5) bottom at lifter rack (28), turning axle can retrain primary air pipe (5) can allow again primary air pipe (5) rotate freely along with lifter rack (28) is mobile up and down.Primary air pipe (5) moves up and down the mode that can change experiment, primary air pipe (5) arbitrarily can rotate and carry out by means of only the hatch door (21) opened the only nose fixed mount (22) that animal used as test (7) is equipped with in installation and removal with handled easily person in top sealing shroud, cabin (24), the equidistant surrounding along primary air pipe (5) in primary air pipe (5) bottom several branch pipes (11) of arranging face the by-pass flow cylinder (12) being enclosed in primary air pipe (5) Lower Half each mouse frame mounting hole (30) upper respectively, by-pass flow cylinder (12) top and primary air pipe (5) are closed and connected bottom is unlimited base opening, base is inlayed a circle sealing joint cushion rubber (16) to be just in time pressed on when primary air pipe (5) is fallen on exhaust port (14) and to play sealing function, exhaust port (14) and by-pass flow cylinder (12) hold out against air tight by the following fulcrum bar of the spring (15) of exhaust port (14), animal used as test (7) is put into rear portion that only nose fixed mount (22) internal fixtion regulates well push bolt (9) tail top cover (8) to be held out against animal used as test (7) to allow the head of animal used as test (7) withstand neck O-ring seal (19) only to allow nose expose, then mouse frame mounting hole (30) clamping is inserted, mouse frame O-ring seal (20) ensures by-pass flow cylinder (12) and only nose fixed mount (22) good seal is air tight, be mixed into mixed airflow that gas port (4) sends to flow into each animal used as test (7) only firmly retrained in nose fixed mount (22) corresponding along primary air pipe (5) nose position by each branch pipe (11) to suck from primary air pipe (5) top, and breathe out the carbon dioxide that comes from after the mouse frame flow by port (6) be reserved in only nose fixed mount (22) overflows along by-pass flow cylinder (12) interior space down to gas outlet (17) through vent valve (18) adjustment discharge, thus the only nose formula that completes breathes toxicity test, the carbon dioxide come owing to breathing out from after the mouse frame flow by port (6) be reserved in only nose fixed mount (22) overflows along by-pass flow cylinder (12) interior space down to gas outlet (17) through vent valve (18) adjustment discharge, and can not be blended in without interference experiment result in the mixed airflow breathed, interface due to all connections has O-ring seal to seal so can not spill into by-pass flow cylinder (12) any space outward by mixed gas in whole process of the test, ensure animal used as test (7) only nose contact mixed airflow and the not mixed air stream contamination of other parts of health, by the animal used as test (7) firmly retrained also can not have lick that mixed airflow is infected with any may thus ensure that breathing the accurate of toxicity test has discharged the disturbing factor that other reasons causes, when needs carry out whole-body type breathing toxicity test as shown in Figure 2: start lifting motor (2) driven wheel (1) and drive lifter rack (28) and primary air pipe (5) to raise up, have in top, cabin sealing shroud (24) O-ring seal can ensure static and upwards lifter motion time there is no gas leakage, just can to breathe freely platform (32) lay single the cage for animal (31) that animal used as test (7) is housed on ventilative platform (32) at whole body cabin (23) basis rest when the primary air pipe (5) raised up and by-pass flow cylinder (12) leave larger space to the bottom in whole body cabin (23), open the mixed airflow that input needs to test toxicity, mixed airflow enters several branch pipes (11) of primary air pipe (5) equidistant arrangement of the surrounding along primary air pipe (5) to bottom from being mixed into gas port (4), each branch pipe (11) faces again the by-pass flow cylinder (12) being enclosed in primary air pipe (5) Lower Half each mouse frame mounting hole (30) upper respectively, mixed airflow can from each mouse frame mounting hole (30) even dispersion out also can in by-pass flow cylinder (12) the downward even dispersion in space, mixed airflow just in time can be evenly distributed on disperse downwards everywhere in whole body cabin (23) by this multi-direction disperse, the mixed airflow that animal used as test (7) sucks disperse carries out whole-body type breathing toxicity test, and the carbon dioxide that exhalation comes and unnecessary mixed airflow enter gas outlet (17) through vent valve (18) adjustment discharge down to exhaust port (14), bottommost is provided with water drain valve (13) and can opens and discharge water when rinsing, because single the cage for animal (31) of every animal used as test (7) is enough large, so in experimentation animal used as test (7) be in all the time not only can freely in the movable but also natural animation be independent of each other, experiment for a long time and the requirement more meeting natural conditions can be met better.
Embodiment:
Use the present invention a kind of whole body and only nose Campatible breathes toxicity test equipment carry out should being ready in advance when an equipment two kinds of modes breathe toxicity test doing the mixed gas of testing and the flow adjusting drain tap to ensure the pacing items of testing, explanation in two steps below:
1. select only nose formula breathe toxicity test mode time according to Fig. 1: first the animal used as test (7) of reception test should be put into the only nose fixed mount (22) opening tail top cover (8), fix tail top cover (8) again, the buttocks regulating push bolt (9) to hold out against animal used as test (7) makes animal used as test (7) only expose nose, and head and neck O-ring seal (19) hold out against air tight simultaneously, control lifting motor (2) and gear (1) drive lifter rack (28) to make primary air pipe (5) be moved down into extreme lower position to make by-pass flow cylinder (12) base, bottom is inlayed a circle sealing joint cushion rubber (16) and be just in time pressed on exhaust port (14) and play sealing function, (exhaust port (14) and by-pass flow cylinder (12) hold out against air tight the following fulcrum bar of the spring of exhaust port (14) by 150, the only nose fixed mount (22) threading mouse frame mounting hole (30) push-tight mouse frame O-ring seal (20) that the hatch door (21) opened on whole body cabin (23) will install animal used as test (7) ensures air tight, just facilitate operator greatly and pass through rotation primary air pipe (5) by means of only the hatch door (21) opened because primary air pipe (5) and lifter rack (28) adopt live axle to be connected primary air pipe (5) can be kept can arbitrarily to rotate in top sealing shroud, cabin (24) and carried out the work that the only nose fixed mount (22) of all animals used as test (7) is equipped with in installation and removal, all only nose fixed mounts (22) are installed rear closedown hatch door (21), open the mixed airflow that input needs to test toxicity, mixed airflow enters several branch pipes (11) of primary air pipe (5) equidistant arrangement of the surrounding along primary air pipe (5) to bottom from being mixed into gas port (4), each branch pipe (11) faces again animal used as test (7) the nose even dispersion by-pass flow cylinder (12) being enclosed in primary air pipe (5) Lower Half each mouse frame mounting hole (30) upper installing and firmly constrains in only nose fixed mount (22) respectively, the mixed airflow that animal used as test (7) sucks disperse carries out toxicity test, and breathe out the carbon dioxide that comes from after the mouse frame flow by port (6) be reserved in only nose fixed mount (22) overflows along by-pass flow cylinder (12) interior space down to gas outlet (17) through vent valve (18) adjustment discharge, and can not be blended in without interference experiment result in the mixed airflow breathed, interface due to all connections has O-ring seal to seal so can not spill into by-pass flow cylinder (12) any space outward by mixed gas in whole process of the test, ensure animal used as test (7) only nose contact mixed airflow and the not mixed air stream contamination of other parts of health, by the animal used as test (7) firmly retrained also can not have lick that mixed airflow is infected with any may thus ensure that breathing the accurate of toxicity test has discharged the disturbing factor that other reasons causes, input is stopped when closing mixed airflow after arrival predetermined time, open hatch door (21) and take off only nose fixed mount (22) opened to unload by tail top cover (8) and put down animal used as test (7) one by one, carry out post-processed and detect assessing this kind of mixed gas and the injury that animal used as test (7) is caused being inferred then for the injury of the mankind and hazard level thus the only nose formula that completes breathes toxicity test,
2. when selecting whole-body type to breathe toxicity test mode according to Fig. 2: first the animal used as test (7) accepting examination experiment is respectively put in single cage for animal (31) and shuts cage door, starting lifting motor (2) driven wheel (1) drives lifter rack (28) and primary air pipe (5) to raise up, have in top, cabin sealing shroud (24) O-ring seal can ensure static and upwards lifter motion time there is no gas leakage, the primary air pipe (5) raised up and by-pass flow cylinder (12) leave larger space to the bottom in whole body cabin (23), just can carry out whole-body type in whole body cabin (23) bottom and breathe toxicity test, open hatch door (21) and place ventilative platform (32) in whole body cabin (23) bottom, single cage for animal (31) is emitted on successively on ventilative platform (32) and has closed hatch door (21), open the mixed airflow that input needs to test toxicity, mixed airflow enters several branch pipes (11) of primary air pipe (5) equidistant arrangement of the surrounding along primary air pipe (5) to bottom from being mixed into gas port (4), each branch pipe (11) faces again the by-pass flow cylinder (12) being enclosed in primary air pipe (5) Lower Half each mouse frame mounting hole (30) upper respectively, mixed airflow can from each mouse frame mounting hole (30) even dispersion out also can in by-pass flow cylinder (12) the downward even dispersion in space, mixed airflow just in time can be evenly distributed on disperse downwards everywhere in whole body cabin (23) by this multi-direction disperse, the mixed airflow that animal used as test (7) sucks disperse carries out whole-body type breathing toxicity test, and the carbon dioxide that exhalation comes and unnecessary mixed airflow enter gas outlet (17) through vent valve (18) adjustment discharge down to exhaust port (14), because single the cage for animal (31) of every animal used as test (7) is enough large, so in experimentation animal used as test (7) be in all the time not only can freely in the movable but also natural animation be independent of each other, experiment for a long time and the requirement more meeting natural conditions can be met better, input is stopped when closing mixed airflow after arrival predetermined time, open hatch door (21) take out single cage for animal (31) one by one and cage lid opened taking-up animal used as test (7), carry out post-processed and detect assessing this kind of mixed gas and the injury that animal used as test is caused then is inferred for the injury of the mankind and hazard level thus completed whole-body type breathing toxicity test.
Claims (6)
1. a whole body and only nose Campatible breathe toxicity test equipment, it is characterized in that: this equipment is included in whole body cabin (23) top and is provided with top sealing shroud, cabin (24), there is double-layer seal cushion rubber (26) can ensure there is no gas leakage static with during elevating movement in top sealing shroud, cabin (24), primary air pipe (5) top is communicated with and is mixed into gas port (4), it is main elevating mechanism that primary air pipe (5) top top connects a lifter rack (28), move up and down together with primary air pipe (5) and rotate under its drive, there is several branch pipes (11) to face respectively to be enclosed in the mouse frame mounting hole (30) on the outer by-pass flow cylinder (12) of primary air pipe (5) primary air pipe (5) bottom, by-pass flow cylinder (12) bottom is unlimited base opening, on base, sealing joint cushion rubber (16) is just in time pressed on when primary air pipe (5) is fallen on exhaust port (14) and plays sealing function, sealing joint cushion rubber (16) its diameter dimension is just in time equal to exhaust port (14) size, exhaust port (14) and by-pass flow cylinder (12) hold out against air tight by the following fulcrum bar of the spring (15) of exhaust port (14), exhaust port (14) connects gas outlet (17) and vent valve (18), only animal used as test (7) can be put into fix and then insert mouse frame mounting hole (30) clamping by nose fixed mount (22), ventilative platform (32) can be laid in bottom, whole body cabin (23), and on ventilative platform (32), lay single the cage for animal (31) that animal used as test (7) is housed, described only nose fixed mount (22) is the container of a cylindrical shape and conical seamless link, and being inlaid with neck O-ring seal (19) in cylindrical shape and conical seamless link position, to be used for holding out against the sealing of animal used as test (7) neck air tight, described lifter rack (28) is main elevating mechanism is a vertically arranged strip lifter rack (28) and upper circular gear (1) engagement of installing of lifting motor (2), the limited bearing in lifter rack back (29) is fixed, lifting motor (2) driven gear (1) rotates and lifter rack (28) is moved up and down, lifter rack (28) upper and lower side is all provided with the maximum position of travel switch (3) constraint lifting moving, a turning axle (27) is had to be connected with primary air pipe (5) bottom at lifter rack (28), turning axle (27) can retrain primary air pipe (5) can allow again primary air pipe (5) rotate freely along with lifter rack (28) is mobile up and down.
2. whole body according to claim 1 and only nose Campatible breathe toxicity test equipment, it is characterized in that: described whole body cabin (23) is a central circular barrel-like structure, sidewall has two hatch doors (21) to angular direction, top is that the round tank at rounding frustum shape and middle part is tightly connected, in frustum of a cone plane, center is opened a circular hole and is installed top sealing shroud, cabin (24), bottom is a conical collet, open when circular cone bottommost has water drain valve (13) to close flushing at ordinary times, circular cone middle part is provided with a gas outlet (17) and vent valve (18), gas outlet (17) connects an exhaust port (14), circular cone also have a fulcrum bar of the spring (15) be connected to exhaust port (14) bottom, whole whole body cabin (23) when hatch door (21) is closed and the external world airtight airtight.
3. whole body according to claim 1 and only nose Campatible breathe toxicity test equipment, it is characterized in that: described top sealing shroud, cabin (24) is a disc adapter sleeve, the cylindrical of its disk is tightly connected the top in whole body cabin (23), through primary air pipe (5) in the middle of the inner circle of disk, be inlaid with double-layer seal cushion rubber (26) in the middle of the inner circle of disk and tightly surround the primary air pipe (5) of tubular and the gap between double-layer seal cushion rubber (26) fills lubricant grease (25), top sealing shroud, cabin (24) and the gap between primary air pipe (5) would not leak gas and primary air pipe (5) push up in sealing shroud (24) in cabin can move and rotate flexible.
4. whole body according to claim 1 and only nose Campatible breathe toxicity test equipment, it is characterized in that: the osculum of described its nose circle pyramidal structure of only nose fixed mount (22) is merely able to expose the nose of animal used as test (7), at osculum edge one, circle is densely covered with very tiny mouse frame flow by port (6), tail fixed head (10) is installed in cylindrical shape rear internal thread, tail top cover (8) propelling and pull-out can allow the head of animal used as test (7) withstand neck O-ring seal (19) in order to the rear portion adjusting push-tight animal used as test by screw thread and push bolt (9) by tail fixed head (10) only allows nose expose.
5. whole body according to claim 1 and only nose Campatible breathe toxicity test equipment, it is characterized in that: described primary air pipe (5) is one and is connected with lifter rack (28) through the dome top surface turning axle (27) that is sealedly connected in top sealing shroud, cabin (24) with the tubular structure with smooth cylindrical that resistant material is made, can move up and down and rotate freely, primary air pipe (5) bottommost sealed air-tight, upper end sidewall is provided with and is mixed into gas port (4), the equidistant surrounding along primary air pipe (5) in bottom is evenly placed with several branch pipes (11), the interior diameter of branch pipe (11) is far smaller than primary air pipe (5), when combination gas can be dispersed into multichannel evenly overflow from each branch pipe (11) from being mixed into after gas port (4) is introduced.
6. whole body according to claim 1 and only nose Campatible breathe toxicity test equipment, it is characterized in that: described by-pass flow cylinder (12) is downward columnar structured of mouth, coaxially fix in the perforation of tubular central upper portion and be sealed and installed with primary air pipe (5), the place of branch pipe (11) outlet side on positive each the primary air pipe (5) corresponding in by-pass flow cylinder (12) sidewall portion, a mouse frame mounting hole (30) is coaxially had with branch pipe (11), mouse frame mounting hole (30) inner circle is inlaid with mouse frame O-ring seal (20), its internal diameter size is slightly less than the outside diameter of only nose fixed mount (22), with ensure to install only nose fixed mount (22) at the upper firm and sealed air-tight of by-pass flow cylinder (12), a circle sealing joint cushion rubber (16) is inlaid with at by-pass flow cylinder (12) cylinder circle lower limb, be beneficial to by-pass flow cylinder (12) and exhaust port (14) when decline puts in place can be closely connected and ensure airtight airtight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210321622.5A CN102788868B (en) | 2012-09-04 | 2012-09-04 | Whole-body and only-nose compatible breathing toxicity test equipment |
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| CN201210321622.5A CN102788868B (en) | 2012-09-04 | 2012-09-04 | Whole-body and only-nose compatible breathing toxicity test equipment |
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| CN102788868A CN102788868A (en) | 2012-11-21 |
| CN102788868B true CN102788868B (en) | 2015-01-07 |
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