CN220833238U - Asphyxia device for animal experiments - Google Patents
Asphyxia device for animal experiments Download PDFInfo
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- CN220833238U CN220833238U CN202322124317.3U CN202322124317U CN220833238U CN 220833238 U CN220833238 U CN 220833238U CN 202322124317 U CN202322124317 U CN 202322124317U CN 220833238 U CN220833238 U CN 220833238U
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- box body
- box
- lead screw
- wall
- animal experiments
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- 241001465754 Metazoa Species 0.000 title claims abstract description 34
- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- 206010003497 Asphyxia Diseases 0.000 title claims abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 28
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000284 extract Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 239000010868 animal carcass Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010171 animal model Methods 0.000 description 3
- 206010015548 Euthanasia Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Housing For Livestock And Birds (AREA)
Abstract
The utility model relates to the technical field of animal experiment equipment, and discloses a choking device for animal experiments, which comprises the following components: a case; a driving mechanism arranged in the box body; an exhaust mechanism arranged on the right side of the box body; the driving mechanism comprises a brake motor, and the brake motor is fixedly arranged at the top of the right end of the box body. According to the utility model, the brake motor, the lead screw, the sliding blocks, the lifting plate and the connecting rod are arranged, the lead screw can rotate by starting the brake motor, and the two sliding blocks can move in opposite directions or opposite directions due to the fact that the outer surface of the lead screw is in threaded connection with the inner wall of the sliding blocks and the threaded directions of the two sides of the outer surface of the lead screw are opposite, so that the connecting rod can drive the lifting plate to move downwards or upwards, the effect of conveniently adjusting the space used by the animal asphyxia is finally realized, the carbon dioxide consumption can be reduced when the animal is smaller or less, and the experimental cost is reduced.
Description
Technical Field
The utility model relates to the technical field of animal experiment equipment, in particular to a choking device for animal experiments.
Background
In the scientific research experiment stage, the staff often uses animals to carry out clinical test in order to study medicines and organisms, after the experiment is finished, the laboratory body needs to be killed, the staff often uses the asphyxia device to carry out euthanasia to the animals, although the conventional asphyxia device can realize the euthanasia to the animals, the requirements of the laboratory animals on welfare are met, when the laboratory animals are actually used, because the internal space of the conventional asphyxia device is fixed, when the staff kills smaller or fewer animals, more carbon dioxide still needs to be filled into the asphyxia device to enable the carbon dioxide concentration to reach the standard, so that the carbon dioxide consumption is more and wasted, and more carbon dioxide is discharged after the experiment is finished to cause environmental pollution, so that the laboratory animals need to be improved.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a choking device for animal experiments, which has the advantage of being convenient for adjusting the space used for animal choking.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a choking device for animal experiments, comprising:
A case;
a driving mechanism arranged in the box body;
an exhaust mechanism arranged on the right side of the box body;
The driving mechanism comprises a brake motor, the brake motor is fixedly arranged at the top of the right end of the box body, a screw rod is fixedly sleeved at the other end of the output shaft of the brake motor, the other end of the screw rod penetrates through the box body, threads on two sides of the outer surface of the screw rod are opposite in direction, sliding blocks are sleeved on two sides of the outer surface of the screw rod in a threaded mode, a lifting plate is movably connected to the middle of the inner wall of the box body, the lifting plate is hinged to the sliding blocks through connecting rods, the two sliding blocks can move oppositely or back to back through rotation of the screw rod, and accordingly the lifting plate can move downwards or upwards.
As a preferable technical scheme of the utility model, the utility model comprises the following steps:
the exhaust mechanism consists of a fan, an exhaust port, an air inlet and a transverse pipe;
The fan fixed mounting is in the middle part of box right-hand member, gas vent fixed mounting is in the right-hand member of fan, the air inlet fixed mounting is in the inside that the left end of fan and the other end of air inlet extended to the box, the inner wall at the air inlet is fixed cup jointing to the violently pipe, and the start-up fan can make the inside gas of violently pipe extraction box outwards discharge from the gas vent.
As a preferable technical scheme of the utility model, the inner wall of the lifting plate is fixedly sleeved with a vertical pipe, and the top end of the vertical pipe penetrates through the box body and is fixedly connected with a valve.
As a preferable technical scheme of the utility model, the front surface of the box body is hinged with a box door, and the back surface of the box body is fixedly provided with a carbon dioxide bottle.
As a preferable technical scheme of the utility model, a drawer is movably arranged at the bottom of the inner wall of the box body, and a pull groove is formed in the middle of the front face of the drawer.
As a preferable technical scheme of the utility model, a round hole is formed in the middle of the back of the drawer, and a filter plate is fixedly arranged in the middle of the rear of the inner wall of the drawer.
As a preferable technical scheme of the utility model, the top of the sliding block is in sliding connection with the top of the inner wall of the box body, and the top of the sliding block and the top of the inner wall of the box body are smooth.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the brake motor, the lead screw, the sliding blocks, the lifting plate and the connecting rod are arranged, the lead screw can rotate by starting the brake motor, and the two sliding blocks can move in opposite directions or opposite directions due to the fact that the outer surface of the lead screw is in threaded connection with the inner wall of the sliding blocks and the threaded directions of the two sides of the outer surface of the lead screw are opposite, so that the connecting rod can drive the lifting plate to move downwards or upwards, the effect of conveniently adjusting the space used by the animal asphyxia is finally realized, the carbon dioxide consumption can be reduced when the animal is smaller or less, and the experimental cost is reduced.
2. According to the utility model, the blower, the exhaust port, the air inlet and the transverse pipe are arranged, and the blower is started, so that the air inlet can extract air in the transverse pipe, the air in the box body is extracted by the transverse pipe, the extracted air is discharged outwards from the exhaust port, the inside of the box body is in a negative pressure state, and the outside air can enter the inside of the box body by opening the valve, so that the concentration of carbon dioxide in the box body can be diluted, and finally, the effect of accelerating the discharge of the carbon dioxide in the box body is realized, and the discomfort of a worker caused by the too high concentration of carbon dioxide when the worker takes out an animal carcass after the experiment is finished can be avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the interior of the cross-pipe of the present utility model;
FIG. 4 is a schematic side cross-sectional view of the present utility model;
Fig. 5 is a schematic top cross-sectional view of the present utility model.
In the figure: 1. a case; 2. a brake motor; 3. a screw rod; 4. a slide block; 5. a lifting plate; 6. a connecting rod; 7. a blower; 8. an exhaust port; 9. an air inlet; 10. a transverse tube; 11. a standpipe; 12. a valve; 13. a door; 14. a carbon dioxide bottle; 15. a drawer; 16. drawing a groove; 17. a filter plate; 18. and a round hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, the present utility model provides a choking device for animal experiments, comprising:
A case 1;
a driving mechanism provided inside the case 1;
an exhaust mechanism provided on the right side of the case 1;
Wherein, actuating mechanism is including brake motor 2, brake motor 2 fixed mounting is at the top of box 1 right-hand member, the fixed lead screw 3 that has cup jointed of the other end of brake motor 2 output shaft, the other end of lead screw 3 runs through box 1 and the screw thread opposite direction of lead screw 3 surface both sides, slider 4 has all been cup jointed to the equal screw thread in both sides of lead screw 3 surface, the middle part swing joint of box 1 inner wall has lifter plate 5, articulated through connecting rod 6 between lifter plate 5 and the slider 4, lead screw 3 rotates and can make two sliders 4 move in opposite directions or in opposite directions, thereby can make lifter plate 5 downward or upward movement.
By starting the brake motor 2, the screw rod 3 can rotate, and as the outer surface of the screw rod 3 is in threaded connection with the inner wall of the sliding blocks 4 and the directions of threads on two sides of the outer surface of the screw rod 3 are opposite, the two sliding blocks 4 can move oppositely or reversely by rotating the screw rod 3, and the connecting rod 6 can drive the lifting plate 5 to move downwards or upwards.
The method comprises the following steps:
the exhaust mechanism consists of a fan 7, an exhaust port 8, an air inlet 9 and a transverse pipe 10;
The middle part at box 1 right-hand member is fixed mounting to fan 7, and gas vent 8 fixed mounting is at the right-hand member of fan 7, and air inlet 9 fixed mounting is at the inside that the left end of fan 7 and the other end of air inlet 9 extended to box 1, and horizontal pipe 10 is fixed to cup joint at the inner wall of air inlet 9, and start fan 7 can make the inside gas of horizontal pipe 10 extraction box 1 outwards discharge from gas vent 8.
By activating the blower 7, the air inlet 9 and the transverse pipe 10 can be made to draw the air inside the tank 1, and then the air is discharged outwards through the air outlet 8, so that the concentration of the carbon dioxide gas inside the tank 1 can be diluted.
Wherein, riser 11 has been cup jointed to the fixed inner wall of lifter plate 5, and the top of riser 11 runs through box 1 and fixedly connected with valve 12.
By opening the valve 12, the sealing effect on the vertical pipe 11 can be relieved, so that the gas circulation inside and outside the box body 1 can be ensured to ensure the normal gas pressure inside the box body 1.
Wherein, the front of the box body 1 is hinged with a box door 13, and the back of the box body 1 is fixedly provided with a carbon dioxide bottle 14.
Carbon dioxide gas can be introduced into the box body 1 by opening the carbon dioxide bottle 14, so that the concentration of the carbon dioxide in the box body 1 can be increased to suffocate animals.
Wherein, drawer 15 is movably arranged at the bottom of the inner wall of box body 1, and pull groove 16 is arranged at the middle part of the front surface of drawer 15.
The choked animal carcasses can be collected by drawing the drawer 15 out of the box body 1, so that workers can conveniently transfer the animal carcasses.
Wherein, the middle part at the back of the drawer 15 is provided with a round hole 18, and the middle part at the rear of the inner wall of the drawer 15 is fixedly provided with a filter plate 17.
Through the design of the filter plate 17, the influence of the blocking of the round hole 18 by the bodies of small animals on the normal introduction of carbon dioxide gas into the box body 1 can be prevented.
The top of the sliding block 4 is slidably connected with the top of the inner wall of the box body 1, and the top of the sliding block 4 and the top of the inner wall of the box body 1 are smooth.
Through the design that slider 4 top and box 1 inner wall top are all smooth, can make slider 4 more smooth and easy when controlling the motion.
The working principle and the using flow of the utility model are as follows:
Firstly, the staff can place the animal in the inside of drawer 15, in case the animal is less or when less, the staff can open valve 12 at first, then can start brake motor 2, because brake motor 2's operation can make lead screw 3 take place to rotate, because the surface of lead screw 3 and the inner wall threaded connection of slider 4 and the screw thread opposite direction of lead screw 3 surface both sides, consequently, the rotation of lead screw 3 can make two sliders 4 move in opposite directions, thereby can make connecting rod 6 drive lifter plate 5 downward movement, thereby the effect of being convenient for adjust the space that the animal was used for stifled is realized, and then can reduce the carbon dioxide quantity, the experiment cost is reduced, then the staff can open carbon dioxide bottle 14, make carbon dioxide lets in to the inside of box 1, because the carbon dioxide mass is big than the air mass, consequently, box 1 inside air can outwards discharge from standpipe 11 and valve 12, stop letting in carbon dioxide and closing valve 12 after box 1 inside carbon dioxide concentration reaches standard, alright to stifled the animal.
When the experiment is finished and residual carbon dioxide gas in the box body 1 needs to be discharged, the staff can start the fan 7 at first, so that the air inlet 9 can extract the gas in the transverse tube 10, the transverse tube 10 extracts the gas in the box body 1, the extracted gas is discharged outwards from the air outlet 8, the box body 1 is in a negative pressure state, the staff can enable external air to enter the box body 1 through opening the valve 12, the concentration of carbon dioxide in the box body 1 can be diluted, the effect of accelerating carbon dioxide gas discharge in the box body 1 is finally realized, and the phenomenon that the discomfort of the staff is caused by the fact that the concentration of carbon dioxide is too high when the staff takes out animal carcasses after the experiment is finished can be avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a asphyxia device for animal experiments which characterized in that includes:
A case (1);
a driving mechanism which is arranged in the box body (1);
An exhaust mechanism arranged on the right side of the box body (1);
Wherein, actuating mechanism is including brake motor (2), brake motor (2) fixed mounting is at the top of box (1) right-hand member, the fixed lead screw (3) that has cup jointed of the other end of brake motor (2) output shaft, the other end of lead screw (3) runs through box (1) and the screw thread opposite direction of lead screw (3) surface both sides, slider (4) have been cup jointed to the equal screw thread in both sides of lead screw (3) surface, the middle part swing joint of box (1) inner wall has lifter plate (5), it is articulated through connecting rod (6) between lifter plate (5) and slider (4), and lead screw (3) rotate can make two slider (4) move in opposite directions or in opposite directions to can make lifter plate (5) downward or upward movement.
2. A choking device for animal experiments according to claim 1, wherein: comprises the following steps:
The exhaust mechanism consists of a fan (7), an exhaust port (8), an air inlet (9) and a transverse pipe (10);
The utility model discloses a fan, including box (1) and air inlet (9), fan (7) fixed mounting is in the middle part of box (1) right-hand member, gas vent (8) fixed mounting is in the right-hand member of fan (7), air inlet (9) fixed mounting is in the left end of fan (7) and the inside that the other end of air inlet (9) extends to box (1), horizontal pipe (10) are fixed cup joints in the inner wall of air inlet (9), start fan (7) can make horizontal pipe (10) extract the inside gas of box (1) outwards discharge from gas vent (8).
3. A choking device for animal experiments according to claim 1, wherein: the inner wall of the lifting plate (5) is fixedly sleeved with a vertical pipe (11), and the top end of the vertical pipe (11) penetrates through the box body (1) and is fixedly connected with a valve (12).
4. A choking device for animal experiments according to claim 1, wherein: the front of the box body (1) is hinged with a box door (13), and the back of the box body (1) is fixedly provided with a carbon dioxide bottle (14).
5. A choking device for animal experiments according to claim 1, wherein: the bottom of the inner wall of the box body (1) is movably provided with a drawer (15), and the middle part of the front surface of the drawer (15) is provided with a pull groove (16).
6. A choking device for animal experiments in accordance with claim 5, wherein: a round hole (18) is formed in the middle of the back of the drawer (15), and a filter plate (17) is fixedly arranged in the middle of the rear of the inner wall of the drawer (15).
7. A choking device for animal experiments according to claim 1, wherein: the top of the sliding block (4) is in sliding connection with the top of the inner wall of the box body (1), and the top of the sliding block (4) and the top of the inner wall of the box body (1) are smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322124317.3U CN220833238U (en) | 2023-08-08 | 2023-08-08 | Asphyxia device for animal experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322124317.3U CN220833238U (en) | 2023-08-08 | 2023-08-08 | Asphyxia device for animal experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220833238U true CN220833238U (en) | 2024-04-26 |
Family
ID=90774002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322124317.3U Active CN220833238U (en) | 2023-08-08 | 2023-08-08 | Asphyxia device for animal experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220833238U (en) |
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2023
- 2023-08-08 CN CN202322124317.3U patent/CN220833238U/en active Active
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