阅读说明：本技术 一种推进剂毒性试验装置 (Propellant toxicity test device ) 是由 屈明玥 江其生 于 2021-06-30 设计创作，主要内容包括：本发明属于毒性试验装置技术领域,具体涉及一种推进剂毒性试验装置,包括箱体,箱体内安装有第一染毒组件、第二染毒组件和小鼠固定组件,箱体内部的一侧开设有旋转槽,小鼠固定组件包括底板和盖板,底板上开有固定槽,底板和盖板上均开设有若干滴孔,滴孔与固定槽连通,箱体于旋转槽的一端开设有阶梯槽,阶梯槽内密封连接有密封头,底板于密封头的一端设置有调节板,密封头上开设有插槽,箱体内远离调节板的一端设有开盖组件,开盖组件与盖板转动连接,第一染毒组件和第二染毒组件均设置于箱体顶部。解决现有技术中在毒性试验装置外进行偏二甲基肼滴染存在一定危险性,一但沾染在试验人员身上,容易导致试验人员中毒的问题。(The invention belongs to the technical field of toxicity test devices, and particularly relates to a propellant toxicity test device which comprises a box body, wherein a first toxicity-infecting component, a second toxicity-infecting component and a mouse fixing component are arranged in the box body, a rotating groove is formed in one side inside the box body, the mouse fixing component comprises a bottom plate and a cover plate, a fixing groove is formed in the bottom plate, a plurality of drip holes are formed in the bottom plate and the cover plate and communicated with the fixing groove, a stepped groove is formed in one end of the box body, located at the rotating groove, of the rotating groove, a sealing head is connected in the stepped groove in a sealing mode, an adjusting plate is arranged at one end, located at the sealing head, of the bottom plate, a slot is formed in the sealing head, an uncovering component is arranged at one end, located far away from the adjusting plate, of the box body, and is rotatably connected with the cover plate, and the first toxicity-infecting component and the second toxicity-infecting component are arranged at the top of the box body. The problem of among the prior art carry out the partial dimethylhydrazine drop and pollute outside toxicity test device and have certain danger, once be infected with on the tester body, lead to tester's poisoning easily is solved.)

1. The utility model provides a propellant toxicity test device, includes the box, its characterized in that: the mouse poisoning device is characterized in that a first poisoning component, a second poisoning component and a mouse fixing component are mounted in the box body, a rotary groove is formed in one side of the inner portion of the box body, the mouse fixing component is mounted in the rotary groove and comprises a bottom plate and a cover plate, a fixing groove is formed in the bottom plate, the cover plate is slidably clamped on the bottom plate, a plurality of drip holes are formed in the bottom plate and the cover plate and communicated with the fixing groove, a stepped groove is formed in one end, located on the rotary groove, of the box body and penetrates through the box body, a sealing head is hermetically connected in the stepped groove, a regulating plate is arranged at one end, located on the sealing head, of the bottom plate, a slot is formed in the sealing head, the regulating plate is hermetically inserted into the slot, the end portion of the regulating plate is located outside the box body, an uncovering component is arranged at one end, located on the box body and far away from the regulating plate, and is rotatably connected with the cover plate, the first contamination component and the second contamination component are both arranged at the top of the box body.

2. A propellant toxicity test apparatus as claimed in claim 1, wherein: the first contamination component comprises a barrel, a push rod and a dropper, wherein the top of the box body is provided with a mounting groove, a rotating ball is arranged in the mounting groove, a through hole is formed in the rotating ball, the dropper is arranged in the through hole in a sealing mode in a penetrating mode, the bottom of the barrel is provided with a first connecting head, a one-way valve is arranged in the first connecting head, the first connecting head is connected with the top of the dropper in a sealing mode, an inner barrel is integrally formed in the barrel, a plurality of through grooves are formed in the bottom of the inner barrel, a sealing pipe is inserted in the inner barrel in a sliding mode, the push rod is inserted in the inner barrel, a piston is arranged at the bottom of the push rod and is tightly connected with the side wall of the sealing pipe, the top of the barrel is in threaded connection with a cover body, a sealing bulge is arranged on the cover body and penetrates through the cover body, a spring is sleeved on the push rod, one end of the spring is connected with the top of the piston, the other end is connected with the bottom of the sealing bulge.

3. A propellant toxicity test apparatus as claimed in claim 2, wherein: the second contamination component comprises a tank body and a conveying pipe, a first accommodating groove is formed in the top of the side of the stepped groove of the tank body, the tank body is fixedly installed in the first accommodating groove, an air vent is formed in the top of the tank body, one end of the conveying pipe is connected with the tank body, and the other end of the conveying pipe is connected in the air vent in a sealing mode.

4. A propellant toxicity test apparatus as claimed in claim 3, wherein: the subassembly of uncapping includes the pull rod, the second holding tank has been seted up to the bottom of box, the pull rod is located the second holding tank, the one end of pull rod is sealed to pass the box tip to be located outside the box, the other end is provided with the second connector, the seal groove has been seted up to the position that the lateral wall of box corresponds the second connector, the apron is equipped with the spliced pole in second connector department, the spread groove has been seted up in the second connector, the spliced pole is inserted and is located in the spread groove, be provided with the spacing arch of multiunit on the spliced pole, be provided with a plurality of spacing rings in the spread groove, spacing protruding card is located between the adjacent spacing ring.

5. A propellant toxicity test apparatus as claimed in claim 4, wherein: the two sides of the bottom plate are respectively and integrally formed with an inverted L-shaped limiting strip, the limiting strips and the bottom plate form sliding grooves, and the two ends of the cover plate are respectively clamped in the two sliding grooves.

6. A propellant toxicity test apparatus as claimed in claim 5, wherein: the utility model discloses a ball plunger, including apron, fixed mounting, curb plate, spliced pole integrated into one piece on the apron, the equal fixed mounting in four corners department of bottom plate has the bulb plunger, the spacing groove has been seted up to the bottom of apron, the top card of bulb plunger is located the spacing inslot, the apron has the baffle in spliced pole end integrated into one piece, spliced pole integrated into one piece is on the baffle, the apron offsets with the regulating plate bottom.

7. A propellant toxicity test apparatus as claimed in claim 6, wherein: the top of the box body is fixedly provided with a sealing cover at the position of the rotating ball, the sealing cover is provided with a fold part, the bottom of the sealing cover is fixedly connected with the top surface of the box body, and the other end of the sealing cover is tightly sleeved on the dropper.

8. A propellant toxicity test apparatus as claimed in claim 7, wherein: the top of the tank body is provided with a control switch, a flow valve and a digital display.

Technical Field

The invention belongs to the technical field of toxicity test devices, and particularly relates to a propellant toxicity test device.

Background

The propellant is also called propelling medicine, is a chemical substance which can quickly produce a large amount of high-temperature gas when burning, and can be used for launching projectiles of firearms, rockets, missiles and the like. Due to production accidents, equipment corrosion or failure of emission, a large amount of propellant can be leaked, and acute poisoning of people can be caused by respiratory tract, skin contact and oral administration. The tester typically places the mice in a toxicity testing apparatus and infects the mice to study the toxicity of the propellant. The toxicity research of the propellant mainly comprises two toxicity tests of dinitrogen tetroxide and metadimethylhydrazine, wherein dinitrogen tetroxide is gaseous at normal temperature, and a mouse is put into a toxicity test device and then is introduced with a certain amount of dinitrogen tetroxide gas to carry out the toxicity test.

Because the metadimethylhydrazine is in a liquid state at normal temperature and different parts of the mouse need to be subjected to a toxicity test, a tester can only place the mouse between toxicity test devices, drop the metadimethylhydrazine at the part of the mouse to be tested, place the mouse in the toxicity test device, and introduce a certain amount of dinitrogen tetroxide for the toxicity test.

However, there is a certain risk that the toxicity test apparatus is contaminated with the metadimethylhydrazine drop, and the toxicity test apparatus is likely to be poisoned by the test person.

Disclosure of Invention

The purpose of the invention is: the propellant toxicity test device is used for solving the problem that in the prior art, when the toxicity test device is used for carrying out unsymmetrical dimethylhydrazine dripping, certain danger exists, and once the toxicity test device is polluted on a tester, the tester is easy to be poisoned.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a propellant toxicity test device comprises a box body, wherein a first toxicity-infecting component, a second toxicity-infecting component and a mouse fixing component are installed in the box body, a rotating groove is formed in one side of the inner part of the box body, the mouse fixing component is installed in the rotating groove and comprises a bottom plate and an cover plate, a fixing groove is formed in the bottom plate, the cover plate is slidably clamped on the bottom plate, a plurality of drip holes are formed in the bottom plate and the cover plate and communicated with the fixing groove, a stepped groove is formed in one end, located outside the box body, of the box body and penetrates through the box body, a sealing head is hermetically connected in the stepped groove, an adjusting plate is arranged at one end of the sealing head of the bottom plate, a slot is formed in the sealing head, the adjusting plate is hermetically inserted in the slot, the end part of the adjusting plate is located outside the box body, and a cover-opening component is arranged at one end, away from the adjusting plate, in the box body, the cover opening assembly is rotatably connected with the cover plate, and the first contamination assembly and the second contamination assembly are arranged at the top of the box body.

Further limiting, the first contamination component comprises a barrel, a push rod and a dropper, wherein the top of the box body is provided with a mounting groove, a rotating ball is arranged in the mounting groove, a through hole is formed in the rotating ball, the dropper is arranged in the through hole in a sealing and penetrating manner, the bottom of the barrel is provided with a first connecting head, a one-way valve is arranged in the first connecting head, the first connecting head is connected with the top of the dropper in a sealing manner, an inner barrel is integrally formed in the barrel, the bottom of the inner barrel is provided with a plurality of through grooves, a sealing pipe is inserted in the inner barrel in a sliding manner, the push rod is inserted in the inner barrel, the bottom of the push rod is provided with a piston, the piston is tightly connected with the side wall of the sealing pipe, the top of the barrel is in threaded connection with a cover body, the cover body is provided with a sealing bulge, the push rod penetrates through the sealing bulge and is arranged outside the cover body, a spring is sleeved on the push rod, and one end of the spring is connected with the top of the piston, the other end is connected with the bottom of the sealing bulge.

Further inject, the second contamination component includes a tank body and a conveying pipe, a first holding tank is arranged at the top of the box body on the side of the stepped groove, the tank body is fixedly arranged in the first holding tank, an air vent is arranged at the top of the box body, one end of the conveying pipe is connected with the tank body, and the other end of the conveying pipe is connected in the air vent in a sealing manner.

Further inject, the subassembly of uncapping includes the pull rod, the second holding tank has been seted up to the bottom of box, the pull rod is located the second holding tank, the one end of pull rod is sealed to pass the box tip to be located outside the box, the other end is provided with the second connector, the seal groove has been seted up to the position that the lateral wall of box corresponds the second connector, the apron is equipped with the spliced pole in second connector department, the spread groove has been seted up in the second connector, the spliced pole is inserted and is located in the spread groove, be provided with the spacing arch of multiunit on the spliced pole, be provided with a plurality of spacing rings in the spread groove, spacing arch card is located between the adjacent spacing ring.

Further inject, the equal integrated into one piece in both sides of bottom plate has the spacing strip of falling L shape, spacing strip and bottom plate form the spout, the both ends of apron are blocked respectively and are located in two spouts.

Further inject, the equal fixed mounting in four corners department of bottom plate has the bulb plunger, the spacing groove has been seted up to the bottom of apron, the top card of bulb plunger is located the spacing inslot, the apron has the baffle in the column connection end integrated into one piece, column connection integrated into one piece is on the baffle, the apron offsets with the regulating plate bottom.

Further limiting, a sealing cover is fixedly arranged at the top of the box body at the position of the rotating ball, a fold portion is arranged on the sealing cover, the bottom of the sealing cover is fixedly connected with the top surface of the box body, and the other end of the sealing cover is tightly sleeved on the dropper.

Further limited, the top of the tank body is provided with a control switch, a flow valve and a digital display.

The invention adopting the technical scheme has the advantages that:

1. the mouse is fixed through a bottom plate and a cover plate in the fixing component by arranging a mouse fixing component and a first contamination component, then the mouse is placed in a box body, and the unsymmetrical dimethylhydrazine in the inner barrel is dripped from a burette through a push rod in the first contamination component and enters dripping holes in the bottom plate and the cover plate, so that the mouse can be contaminated; the mouse is not required to be infected by a tester in advance, so that the metadimethylhydrazine is prevented from being infected on the tester, and the safety of the tester is guaranteed.

2. Through the arrangement of the rotary groove and the sealing head, the mouse fixing component in the box body can rotate, and the front drop dyeing and the back drop dyeing of the mouse are realized; through setting up the rolling ball for the second infects the subassembly rotatable, so that carry out the drip to different positions of mouse and dye.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural diagram of a propellant toxicity test apparatus according to the present invention;

FIG. 2 is a schematic cross-sectional view of a propellant toxicity test apparatus according to the present invention;

FIG. 3 is a schematic cross-sectional view of a box body of a propellant toxicity testing apparatus according to the present invention;

FIG. 4 is a schematic cross-sectional view of a first contamination assembly of the propellant toxicity testing apparatus according to the present invention;

FIG. 5 is a schematic structural view of a mouse fixing member in the propellant toxicity test apparatus according to the present invention;

FIG. 6 is a schematic cross-sectional view of a pull rod and a cover plate of the propellant toxicity testing apparatus according to the present invention;

FIG. 7 is a schematic diagram of a second contamination assembly of the propellant toxicity testing apparatus according to the present invention.

The main element symbols are as follows:

the device comprises a box body 1, a rotating groove 11, a stepped groove 12, a sealing head 131, an inserting groove 132, a mounting groove 14, a first receiving groove 15, a second receiving groove 16, a window 17, a sealing plate 171, a first contamination component 2, a cylinder body 21, a first connecting head 211, a one-way valve 212, a push rod 22, a piston 221, a dropper 23, an inner cylinder 24, a through groove 241, a sealing pipe 25, a cover body 26, a sealing protrusion 261, a spring 27, a second contamination component 3, a tank body 31, a control switch 311, a flow valve 312, a digital display 313, a conveying pipe 32, a mouse fixing component 4, a bottom plate 41, a fixing groove 411, an adjusting plate 412, a limiting strip 413, a ball plunger 414, a cover plate 42, a connecting column 421, a limiting protrusion 422, a baffle 423, a dropping hole 43, a rotating ball 5, a through hole 51, a sealing cover 52, a pull rod 6, a second connecting head 61, a connecting groove 611 and a limiting ring 612.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 7, the propellant toxicity test device of the present invention includes a box body 1, a first contamination component 2, a second contamination component 3 and a mouse fixing component 4 are installed in the box body 1, the first contamination component 2 is used for performing a metadimethylhydrazine contamination, the second contamination component 3 is used for performing a dinitrogen tetroxide contamination, and the mouse fixing component 4 is used for fixing a mouse.

The rotating groove 11 has been seted up to one side of box 1 inside, and mouse fixed subassembly 4 is installed in rotating groove 11, and mouse fixed subassembly 4 can rotate in rotating groove 11 to carry out the unsymmetrical dimethylhydrazine contamination to the front and the back of mouse. The mouse fixing component 4 comprises a bottom plate 41 and a cover plate 42, wherein the bottom plate 41 is provided with a fixing groove 411, the fixing groove 411 is in the shape of a mouse, and is provided with a head part, a foot part and a tail part, the mouse can be unfolded and fixed in the fixing groove 411, so that different parts of the mouse can be infected conveniently, the cover plate 42 is clamped on the bottom plate 41 in a sliding mode, the mouse is fixed in the fixing groove 411 through the cover plate 42, and the mouse is prevented from moving randomly. A plurality of dripping holes 43 are formed in the bottom plate 41 and the cover plate 42, the dripping holes 43 are communicated with the fixing groove 411, and when the first poisoning assembly 2 poisons the mouse with the unsymmetrical dimethylhydrazine, the unsymmetrical dimethylhydrazine can be dripped on the body of the mouse through the dripping holes 43.

Stepped groove 12 has been seted up in the one end of swivelling chute 11 to box 1, and stepped groove 12 runs through box 1, and sealing connection has sealed head 131 in stepped groove 12, and bottom plate 41 has regulating plate 412 in the one end integrated into one piece of sealed head 131, has seted up slot 132 on the sealed head 131, and regulating plate 412 is sealed to be inserted and is located slot 132, and the tip of regulating plate 412 is located outside box 1. The mouse fixing component 4 can rotate in the rotary groove 11 by rotating the adjusting plate 412 so as to switch between the front and the back of the mouse, and then different parts can be contaminated by the dripping holes 43 on the bottom plate 41 and the cover plate 42.

The one end of keeping away from regulating plate 412 in box 1 is equipped with the subassembly of uncapping, and the subassembly of uncapping rotates with apron 42 to be connected, and first component 2 and the second component 3 of contracting a poison all set up in box 1 top. When the first contamination component 2 is used for performing the contamination of the unsymmetrical dimethylhydrazine, the cover plate 42 is pulled open by controlling the cover opening component, so that the mouse can freely move in the box body 1, and the condition of the mouse after the contamination can be observed.

The first contamination component 2 comprises a barrel 21, a push rod 22 and a dropper 23, a mounting groove 14 is formed in the top of the box body 1, a rotating ball 5 is arranged in the mounting groove 14, a through hole 51 is formed in the rotating ball 5, the dropper 23 is arranged in the through hole 51 in a sealing and penetrating mode, when the contamination component is used, the dropper 23 can slide in the through hole 51, and the dropper 23 can respectively correspond to different dropping holes 43 through the rotating ball 5, so that the unsymmetrical dimethylhydrazine can be dropped on different positions of a mouse.

The bottom of the cylinder 21 is provided with a first connector 211, a one-way valve 212 is arranged in the first connector 211, the first connector 211 is connected with the top of the dropper 23 in a sealing manner, the cylinder 21 is internally and integrally formed with an inner cylinder 24, and a space between the inner wall of the cylinder 21 and the outer wall of the inner cylinder 24 is used for filling the unsymmetrical dimethylhydrazine. The bottom of the inner cylinder 24 is provided with a plurality of through grooves 241, and the unsymmetrical dimethylhydrazine can enter the inner cylinder 24 through the through grooves 241. A sealing pipe 25 is slidably inserted in the inner cylinder 24, and the sealing pipe 25 is used for sealing the through groove 241.

The push rod 22 is inserted into the inner cylinder 24, the bottom of the push rod 22 is provided with a piston 221, the piston 221 is tightly connected with the side wall of the sealing tube 25, the top of the cylinder 21 is in threaded connection with a cover 26 for sealing the cylinder 21 and the inner cylinder 24, the cover 26 is provided with a sealing bulge 261, the push rod 22 penetrates through the sealing bulge 261 and is arranged outside the cover 26, the push rod 22 is sleeved with a spring 27, one end of the spring 27 is connected with the top of the piston 221, and the other end of the spring 27 is connected with the bottom of the sealing bulge 261. When the air-tight dropper is used, the push rod 22 is pressed downwards, air in the inner cylinder 24 is squeezed into the dropper 23 from the first connecting joint 211, in the process, the piston 221 drives the sealing pipe 25 to move downwards to seal the through groove 241, and the spring 27 is stretched; subsequently, the push rod 22 is released, the spring 27 enables the push rod 22 and the piston 221 to move upwards, the piston 221 drives the sealing pipe 25 to move upwards, and the through groove 241 is opened; in the process, the one-way valve 212 is closed, the inner pipe is in a negative pressure state, and the unsymmetrical dimethylhydrazine enters the inner pipe through the through groove 241; then, the push rod 22 is pressed down again, and the unsym-dimethyl hydrazine is dripped into the dripping hole 43 from the dripping pipe 23.

The second toxicant exposure module 3 comprises a tank 31 and a duct 32, the tank 31 being filled with compressed dinitrogen tetroxide gas. First holding tank 15 has been seted up at the top of box 1 in ladder groove 12 side, and jar body 31 fixed mounting has been seted up at the top of box 1 in first holding tank 15, and the air vent has been seted up at the top of box 1, and conveyer pipe 32 one end is connected with jar body 31, and other end sealing connection is in the air vent, carries the dinitrogen tetroxide gas to the box 1 in through conveyer pipe 32, carries out dinitrogen tetroxide contamination to the mouse.

The cover opening assembly comprises a pull rod 6, a second accommodating groove 16 is formed in the bottom of the box body 1, and the second accommodating groove 16 is used for accommodating the cover plate 42 after moving. The pull rod 6 is located the second holding tank 16, and the one end of pull rod 6 is sealed to be passed 1 tip of box to be located outside box 1, other end integrated into one piece has second connector 61, and the seal groove has been seted up to the position that the lateral wall of box 1 corresponds second connector 61, through setting up the seal groove, when pulling pull rod 6 makes second connector 61 be located the seal groove, can be sealed with box 1, avoids the gaseous junction from pull rod 6 and box 1 in the box 1 to leak.

The cover plate 42 is provided with a connecting column 421 at the second connector 61, a connecting groove 611 is formed in the second connector 61, the connecting column 421 is inserted into the connecting groove 611, a plurality of sets of limiting protrusions 422 are integrally formed on the connecting column 421, a plurality of limiting rings 612 are integrally formed in the connecting groove 611, and the limiting protrusions 422 are clamped between the adjacent limiting rings 612. The pull rod 6 is detachably connected with the cover plate 42 by arranging the limiting ring 612 and the limiting protrusion 422. When the connecting column 421 is inserted into the second connector 61, the position of the limiting protrusion 422 is aligned with the connecting groove 611, and after the connecting column is inserted into the connecting groove 611, the pull rod 6 is rotated, so that the limiting protrusion 422 is clamped between the limiting rings 612, and the cover plate 42 can be driven to move by pulling the pull rod 6, so that the cover plate 42 is separated from the fixation of a mouse in the fixing groove 411 of the bottom plate 41, and the observation of the condition of the mouse after contamination is facilitated.

The equal integrated into one piece in both sides of bottom plate 41 has spacing 413 of shape of falling L, and spacing 413 forms the spout with bottom plate 41, and the both ends of apron 42 are blocked respectively in two spouts, through setting up the spout, make apron 42 only can slide on bottom plate 41, avoid apron 42 to reciprocate.

The equal fixed mounting in four corners department of bottom plate 41 has bulb plunger 414, and the spacing groove has been seted up to the bottom of apron 42, and the top card of bulb plunger 414 locates the spacing inslot, through setting up bulb plunger 414, can fix between bottom plate 41 and the apron 42, prevents bottom plate 41 and apron 42 relative movement, leads to the mouse to flee. The cover plate 42 is integrally formed with a baffle 423 at the end of the connecting column 421, the connecting column 421 is integrally formed on the baffle 423, and the cover plate 42 abuts against the bottom of the adjusting plate 412. The sliding range of the cover plate 42 is limited by the baffle 423 and the adjusting plate 412, and the cover plate 42 is prevented from sliding freely.

The top of the box body 1 is fixedly provided with a sealing cover 52 at the rotating ball 5, and the rotating ball 5 is sealed by the sealing cover 52, so that the gas in the box body 1 is prevented from leaking from the rotating ball 5. The sealing cover 52 is provided with a fold part, the bottom of the sealing cover 52 is fixedly connected with the top surface of the box body 1, and the other end of the sealing cover is tightly sleeved on the dropper 23. The fold portion provided on the sealing cover 52 prevents the sealing cover 52 from affecting the flexibility of the rotation of the dropper 23. The top of the box body 1 is provided with a window 17, a sealing plate 171 is hermetically arranged in the window 17, and the mouse in the box body 1 can be taken out from the window 17 by opening the sealing plate 171.

The top of the tank body 31 is provided with a control switch 311, a flow valve 312 and a digital display 313, the control switch 311 is used for opening and closing the pipe body, the flow valve 312 is used for counting the flow of the dinitrogen tetroxide gas, and the digital display 313 is used for displaying the flow value of the dinitrogen tetroxide gas, so that the control of a tester is facilitated.

When the propellant toxicity test device is used, the mouse fixing component 4 is taken out of the box body 1, and the cover plate 42 is opened; subsequently, the mouse is placed in the fixing groove 411 of the base plate 41 such that the head, the foot, the body and the tail correspond to the fixing groove 411 one by one, and the cover plate 42 is slid step by step to fix the mouse in the fixing groove 411. Then the mouse fixing component 4 and the sealing head 131 are put into the box body 1 together, and the sealing head 131 seals the box body 1.

When the unsymmetrical dimethylhydrazine is infected with the toxic substances, the push rod 22 is pressed downwards, the gas in the inner cylinder 24 is squeezed into the dropper 23 from the first connecting joint 211, in the process, the piston 221 drives the sealing pipe 25 to move downwards to seal the through groove 241, and the spring 27 is stretched; then the push rod 22 is released, the spring 27 enables the push rod 22 and the piston 221 to move upwards, the piston 221 drives the sealing pipe 25 to move upwards, and the through groove 241 is opened; the unsym-dimethyl hydrazine enters the inner pipe through the through groove 241; then the dropper 23 is aligned to the dripping hole 43 to be dripped and dyed by rotating the cylinder 21; the mouse fixing device is turned over by rotating the adjusting plate 412, the front side and the back side are switched, the push rod 22 is pressed down again after the dripping position is determined, and the unsym-dimethyl hydrazine is dripped into the dripping hole 43 from the dripping pipe 23 to drip and dye the mouse.

After the contamination of the metadimethylhydrazine is finished, the pull rod 6 is pulled to drive the cover plate 42 to move, so that the cover plate 42 is separated from the fixation of the mouse in the fixing groove 411 of the bottom plate 41, and the mouse can freely move; then, carrying out dinitrogen tetroxide poisoning, opening the control switch 311, enabling dinitrogen tetroxide gas in the tank body 31 to enter the box body 1 through the conveying pipe 32, observing the amount of the dinitrogen tetroxide gas conveyed through the digital display 313, stopping after reaching a required numerical value, and subsequently observing the activity condition of the mouse.

The propellant toxicity test device provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.