IVC cage for biological experiment

Abstract

The IVC cage for the biological experiment is applied to the field of the biological experiment and comprises a cage frame, four containing bins are arranged in the cage frame, air interchangers matched with the containing bins are arranged on the side wall of the cage frame, cage bodies are arranged in the containing bins, and the air interchangers are arranged in the containing bins. An excrement cleaning mechanism used in cooperation with the cage body is arranged in the containing bin, a supporting mechanism used for supporting the cage body is arranged on the inner wall of the containing bin, and the excrement cleaning mechanism comprises an excrement discharging pipe, a conveying pipe, a connecting pipe, a rotating shaft, a servo motor, an auger, a discharging pipe and a discharging control assembly. According to the utility model, the excrement in the cage body can be automatically cleaned, the excrement in the cage body is discharged, the cage body is kept clean, the diseases of experimental animals caused by environmental pollution are reduced, and the excrement cleaning efficiency of workers is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the biological experiment technical field, especially relate to a IVC cage for biological experiment. BACKGROUND

[0002] In the biological experiment field, especially for the feeding and experiment of experimental animals such as experimental mice, the independent ventilation cage (Individual Ventilated Cages, referred to as IVC) has been widely used due to its unique advantages, and the IVC system is a closed and independent feeding unit, which provides continuous and stable clean air environment for experimental animals through specific ventilation design, and at the same time ensures that waste gas is discharged centrally, effectively avoiding cross infection and environmental pollution.

[0003] The utility model discloses a negative pressure type IVC experimental animal cage, which is currently announced as CN206866311U, which comprises: a cage frame; a plurality of cage boxes, a first through hole and a second through hole are formed on one side face of the cage box; a plurality of first pipes, the two ends of the first pipe are respectively communicated with the first connecting pipeline and the second connecting pipeline, the first connecting pipeline and the second connecting pipeline are parallelly arranged and communicated with the main machine, the main machine is provided with a driving part and at least two filter parts, the first pipe is also communicated with the first through hole; a plurality of second pipes, each second pipe is arranged between two adjacent first pipes, the second pipe is parallelly arranged with the first pipe, one end of the second pipe is communicated with the second connecting pipeline, and the second pipe is also communicated with the second through hole, the utility model can adapt to the experiment of infectious animals, prevent pollution caused by exhaust process to the environment, and the exhaust system structure is more compact, and the space occupation on the cage is reduced.

[0004] Although the patent has the function of preventing pollution caused by exhaust process to the environment, it has the problem that the excrement in the cage cannot be cleaned conveniently, and the excrement of the biological cannot be cleaned quickly to maintain the hygiene of the cage. Utility model content

[0005] The utility model aims at providing a IVC cage for biological experiment, which solves the problem that the excrement in the cage cannot be cleaned conveniently and the excrement of the biological cannot be cleaned quickly to maintain the hygiene of the cage.

[0006] The technical purpose is achieved through the following technical scheme, an IVC cage for biological experiments, comprising a cage frame, four placing bins are arranged in the cage frame, a ventilation device matched with the placing bins is arranged on the side wall of the cage frame, a cage body is arranged in the placing bin, a feces cleaning mechanism matched with the cage body is arranged in the placing bin, a supporting mechanism for supporting the cage body is arranged on the inner wall of the placing bin;

[0007] The feces cleaning mechanism comprises a feces discharge pipe, a conveying pipe, a connecting pipe, a rotating shaft, a servo motor, an auger, a discharging pipe and a discharging control assembly, the feces discharge pipe is arranged at the bottom of the cage body, the conveying pipe is installed at the bottom of the placing bin and below the cage body, the connecting pipe is arranged on the side wall of the conveying pipe, the connecting pipe is insertedly matched with the feces discharge pipe, the rotating shaft bearing is connected to the middle part of the conveying pipe, the servo motor is bolted to the side wall of the conveying pipe and fixedly connected with the rotating shaft at the output end, the auger is arranged on the side wall of the rotating shaft, the discharging pipe is arranged at one end of the conveying pipe, and the discharging control assembly is arranged at the middle part of the discharging pipe.

[0008] The technical scheme is adopted, the cage frame is used as the main structure of the whole device, four independent placing bins are arranged in the cage frame, the placing bins can be used simultaneously or individually according to the requirement, sufficient feeding space is provided for the experimental animals, the air supply device introduces fresh air and discharges waste gas, the air quality in the placing bin meets the experimental requirement, the cage body is the direct feeding space of the experimental animals, the supporting mechanism ensures the stable placement of the cage body in the placing bin, prevents the cage body from being displaced or overturned due to external force or the activity of the experimental animals, the excrement cleaning mechanism can automatically clean the excrement in the cage body, discharges the excrement in the cage body, keeps the cage body clean, reduces the diseases of the experimental animals caused by environmental pollution, and improves the excrement cleaning efficiency of the staff, the excrement cleaning mechanism comprises an excrement discharge pipe, a conveying pipe, a connecting pipe, a rotating shaft, a servo motor, an auger, a discharging pipe and a discharging control assembly, the excrement generated by the experimental animals in the cage body is preliminarily collected through the excrement discharge pipe, the excrement discharge pipe is arranged at the bottom of the cage body, the excrement enters the connecting pipe from the excrement discharge pipe, then is smoothly introduced into the conveying pipe through the plug-in cooperation of the connecting pipe and the conveying pipe, the conveying pipe is installed at the bottom of the placing bin and below the cage body, the design fully considers the smoothness and cleanliness of the excrement transmission, when the external power source controls the servo motor to start, the rotating shaft starts to rotate and drives the auger on the side wall to rotate, the auger effectively pushes the excrement in the conveying pipe to one end of the conveying pipe, enters the discharging pipe, the discharging control assembly controls the discharging of the excrement in the discharging pipe, through the accurate control of the discharging control assembly, the timely discharge of the excrement can be realized, the blockage or excessive accumulation of the excrement is avoided, in this way, the automatic collection, transmission and discharge of the excrement are realized, the work burden of the experimental personnel is greatly reduced, the experimental efficiency is improved, the timely cleaning and discharge of the excrement effectively avoid the peculiar smell and bacterial breeding caused by the accumulation of the excrement, and a cleaner and healthier feeding environment is provided for the experimental animals.

[0009] Further, the discharging control assembly comprises an inclined pipe, a lead screw and a blocking disc, the inclined pipe is arranged on the side wall of the discharging pipe, the lead screw is threadedly connected to the middle part of the discharging pipe, and the blocking disc is movably arranged on the top of the lead screw and in the discharging pipe.

[0010] The technical scheme is adopted, the cage frame is used as the main structure of the whole device, four independent placing bins are arranged in the cage frame, the placing bins can be used simultaneously or individually according to the requirement, sufficient feeding space is provided for the experimental animals, the air supply device introduces fresh air and discharges waste gas, the air quality in the placing bin meets the experimental requirement, the cage body is the direct feeding space of the experimental animals, the supporting mechanism ensures the stable placement of the cage body in the placing bin, prevents the cage body from being displaced or overturned due to external force or the activity of the experimental animals, the excrement cleaning mechanism can automatically clean the excrement in the cage body, discharges the excrement in the cage body, keeps the cage body clean, reduces the diseases of the experimental animals caused by environmental pollution, and improves the excrement cleaning efficiency of the staff, the excrement cleaning mechanism comprises an excrement discharge pipe, a conveying pipe, a connecting pipe, a rotating shaft, a servo motor, an auger, a discharging pipe and a discharging control assembly, the excrement generated by the experimental animals in the cage body is prelimarily collected through the excrement discharge pipe, the excrement discharge pipe is arranged at the bottom of the cage body, the excrement enters the connecting pipe from the excrement discharge pipe, then is smoothly introduced into the conveying pipe through the plug-in cooperation of the connecting pipe and the conveying pipe, the conveying pipe is installed at the bottom of the placing bin and below the cage body, the design fully considers the smoothness and cleanliness of the excrement transmission, when the external power source controls the servo motor to start, the rotating shaft starts to rotate and drives the auger on the side wall to rotate, the auger effectively pushes the excrement in the conveying pipe to one end of the conveying pipe, enters the discharging pipe, the discharging control assembly controls the discharging of the excrement in the discharging pipe, through the accurate control of the discharging control assembly, the timely discharge of the excrement can be realized, the blockage or excessive accumulation of the excrement is avoided, in this way, the automatic collection, transmission and discharge of the excrement are realized, the work burden of the experimental personnel is greatly reduced, the experimental efficiency is improved, the timely cleaning and discharge of the excrement effectively avoid the peculiar smell and bacterial breeding caused by the accumulation of the excrement, and a cleaner and healthier feeding environment is provided for the experimental animals.

[0011] Further, the supporting mechanism comprises supporting strips, supporting rods, rollers and clamping grooves, two supporting strips are fixedly connected to the inner walls of the placing bin respectively, four supporting rods are fixedly connected to the side walls of the cage body respectively, the rollers are sleeved on the side walls of the supporting rods, and two clamping grooves are formed in the side walls of the supporting strips and are movably connected with the rollers.

[0012] By means of the above technical scheme, the supporting strips support the supporting rods, the rollers can reduce the friction between the supporting rods and the supporting strips, and the supporting rods and the rollers entering the clamping grooves can prevent the cage body from being displaced or shaken.

[0013] Further, the bottom of the supporting strip is fixedly connected with a sliding strip one, the side wall of the cage body is fixedly connected with a sliding strip two, and the sliding strip one is movably connected with the sliding strip two.

[0014] By means of the above technical scheme, when the cage body is placed, the sliding strip one supports the sliding strip two first, and this process can prevent the supporting rods at the bottom from entering the clamping grooves at the top of the supporting strips.

[0015] Further, the bottom of the cage body is provided with a flow guide disc, the side wall of the flow guide disc is inclined, and the flow guide disc is used for guiding excrement to the excrement discharge pipe.

[0016] By means of the above technical scheme, the flow guide disc can guide the excrement in the cage body, guide the excrement to the excrement discharge pipe, and improve the excrement collection efficiency.

[0017] Further, the side wall of the blocking disc is sleeved with a sealing ring, and the side wall of the sealing ring is in contact with the discharge pipe.

[0018] By means of the above technical scheme, the sealing ring can be used for sealing connection between the blocking disc and the discharge pipe, so that the excrement cannot enter the bottom of the discharge pipe through the gap between the blocking disc and the discharge pipe.

[0019] Further, the bottom of the inclined pipe is threadedly connected with a cover, the inner wall of the cover is fixedly connected with a plug, and the plug is movably connected with the inclined pipe.

[0020] By means of the above technical scheme, the cover and the plug can be used for plugging the bottom end of the inclined pipe, so that the odor cannot be discharged.

[0021] Further, four sealing doors are arranged on the side wall of the cage frame, the sealing doors are matched with the placing bin, and a transparent observation port is arranged in the middle of each sealing door.

[0022] By means of the above technical scheme, the sealing doors and the observation ports can be used for conveniently observing the biological state in the cage body.

[0023] In summary, the utility model has the following beneficial effects:

[0024] Through setting up excrement cleaning mechanism, the excrement produced in the cage is collected through the excrement discharge pipe, the excrement discharge pipe is arranged at the bottom of the cage, the excrement enters the connecting pipe from the excrement discharge pipe, then is inserted and matched with the conveying pipe through the connecting pipe, and is smoothly entered into the conveying pipe, when the external power supply controls the servo motor to start, the rotating shaft starts to rotate, drives the auger on the side wall to rotate, the auger effectively pushes the excrement in the conveying pipe to one end of the conveying pipe, enters the discharge pipe, and the discharge control assembly controls the excrement in the discharge pipe to discharge, through the accurate control of the discharge control assembly, the excrement can be discharged in time, and blockage or excessive accumulation is avoided.

[0025] Through setting up the supporting mechanism, the supporting strip supports the supporting rod, the friction between the supporting rod and the supporting strip is reduced through the setting of the roller, and the cage is prevented from displacement or shaking through the setting of the clamping groove.

[0026] Based on the above-mentioned improvements, the overall technical effect of the device is that the excrement in the cage can be automatically cleaned, the excrement in the cage is discharged, the cage is kept clean, diseases caused by environmental pollution of experimental animals are reduced, and the efficiency of excrement cleaning of workers is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the overall structure schematic diagram of the utility model;

[0028] Figure 2 It is the front view of the utility model;

[0029] Figure 3 It is the utility model Figure 2 The sectional view of the utility model is shown in the figure A-A;

[0030] Figure 4 It is the structure schematic diagram of the supporting strip, the supporting rod and the roller of the utility model;

[0031] Figure 5 It is the structure schematic diagram of the discharge control assembly of the utility model;

[0032] Figure 6 It is the utility model Figure 1 The enlarged view of the utility model is shown in the figure A;

[0033] In the figure, 1, cage frame; 2, placing bin; 3, air exchange device; 4, cage body; 5, excrement cleaning mechanism; 6, supporting mechanism; 501, excrement discharge pipe; 502, conveying pipe; 503, connecting pipe; 504, rotating shaft; 505, servo motor; 506, auger; 507, discharging pipe; 508, discharging control assembly; 5081, inclined pipe; 5082, screw rod; 5083, blocking disc; 601, supporting strip; 602, supporting rod; 603, roller; 604, clamping groove; 7, sliding bar one; 8, sliding bar two; 9, flow guide disc; 10, sealing ring; 11, cover; 12, plug; 13, door; 14, transparent observation port. DETAILED DESCRIPTION

[0034] The utility model will be made further detailed explanation in combination with the drawings.

[0035] Embodiment:

[0036] Please refer to Figures 1-6 The utility model provides technical scheme: a kind of IVC cage for biological experiment, including cage frame 1, the inside of cage frame 1 is provided with four placing bins 2, and the side wall of cage frame 1 is provided with air exchange device 3 compatible with placing bin 2, and the inside of placing bin 2 is provided with cage body 4, and the inside of placing bin 2 is provided with excrement cleaning mechanism 5 used in cooperation with cage body 4, and the inner wall of placing bin 2 is provided with supporting mechanism 6 for supporting cage body 4;

[0037] Excrement cleaning mechanism 5 includes excrement discharge pipe 501, conveying pipe 502, connecting pipe 503, rotating shaft 504, servo motor 505, auger 506, discharging pipe 507 and discharging control assembly 508, excrement discharge pipe 501 is set to the bottom of cage body 4, conveying pipe 502 is installed in the bottom of placing bin 2 and is below cage body 4, connecting pipe 503 is set to the side wall of conveying pipe 502, connecting pipe 503 is inserted with excrement discharge pipe 501, rotating shaft 504 bearing is connected in the middle part of conveying pipe 502, servo motor 505 is bolted to the side wall of conveying pipe 502 and output end is fixedly connected with rotating shaft 504, auger 506 is set to the side wall of rotating shaft 504, discharging pipe 507 is set to one end of conveying pipe 502, and discharging control assembly 508 is set to the middle part of discharging pipe 507.

[0038] By setting the cage 1, the placement bin 2, the ventilation device 3, the cage body 4, the excrement cleaning mechanism 5 and the supporting mechanism 6, when in use, the cage 1 serves as the main structure of the entire device, four independent placement bins 2 are arranged inside, which can be used simultaneously or individually according to needs, providing sufficient feeding space for experimental animals, the ventilation device 3 introduces fresh air and discharges waste gas, ensuring that the air quality in the placement bin 2 meets the experimental requirements, the cage body 4 is the direct feeding space for experimental animals, the supporting mechanism 6 can ensure the stable placement of the cage body 4 in the placement bin 2, preventing it from being displaced or overturned due to external force or the activities of experimental animals, and the excrement cleaning mechanism 5 can automatically clean the excrement in the cage body 4, discharging the excrement inside the cage body 4 and keeping the cage body 4 clean, reducing the diseases of experimental animals caused by environmental pollution and improving the efficiency of excrement cleaning of workers;

[0039] When in use, the excrement generated by experimental animals in the cage body 4 is preliminarily collected through the excrement discharge pipe 501, which is arranged at the bottom of the cage body 4, and then enters the connecting pipe 503, and then enters the inside of the conveying pipe 502 through the plug-in cooperation of the connecting pipe 503 and the conveying pipe 502, and then enters the inside of the conveying pipe 502, the conveying pipe 502 is installed at the bottom of the placement bin 2 and below the cage body 4, and its design fully considers the smoothness and cleanliness of excrement transmission, when the servo motor 505 is started under the control of the external power supply, the rotating shaft 504 starts to rotate, driving the auger 506 on the side wall to rotate, the auger 506 effectively pushes the excrement in the conveying pipe 502 to one end of the conveying pipe 502, and then enters the discharge pipe 507, the discharge control assembly 508 controls the discharge of the excrement entering the discharge pipe 507, and through the accurate control of the discharge control assembly 508, the timely discharge of the excrement can be realized, avoiding blockage or excessive accumulation, thus realizing the automatic collection, transmission and discharge of the excrement, greatly reducing the work burden of experimental personnel and improving the experimental efficiency, the timely cleaning and discharge of the excrement effectively avoid the odor and bacterial breeding caused by excrement accumulation, and provide a cleaner and healthier feeding environment for experimental animals.

[0040] Reference Figure 5 The discharge control assembly 508 includes the inclined pipe 5081, the lead screw 5082 and the block disc 5083, the inclined pipe 5081 is arranged on the side wall of the discharge pipe 507, the lead screw 5082 is threadedly connected to the middle part of the discharge pipe 507, and the block disc 5083 is movably arranged on the top of the lead screw 5082 and movably arranged in the inside of the discharge pipe 507, by arranging the inclined pipe 5081, the lead screw 5082 and the block disc 5083, when in use, the block disc 5083 is driven to move up and down in the middle part of the discharge pipe 507 by rotating the lead screw 5082, the block disc 5083 can block the connection between the inclined pipe 5081 and the discharge pipe 507, so that the excrement in the inside of the discharge pipe 507 can enter the inclined pipe 5081, and the discharge amount control of the excrement during discharging can be realized.

[0041] With reference to Figure 4 And Figure 6 , the supporting mechanism 6 comprises a supporting strip 601, a supporting rod 602, a roller 603 and a clamping groove 604, two supporting strips 601 are fixedly connected to the inner wall of the placing bin 2 respectively, four supporting rods 602 are fixedly connected to the side wall of the cage 4 respectively, the roller 603 is sleeved on the side wall of the supporting rod 602, and two clamping grooves 604 are arranged on the side wall of the supporting strip 601 and are movably connected with the roller 603. By arranging the supporting strip 601, the supporting rod 602, the roller 603 and the clamping groove 604, the supporting strip 601 supports the supporting rod 602 in use, the friction between the supporting rod 602 and the supporting strip 601 can be reduced by arranging the roller 603, and the supporting rod 602 and the roller 603 entering the clamping groove 604 can prevent the cage 4 from being displaced or shaken.

[0042] With reference to Figure 4 The bottom of the supporting strip 601 is fixedly connected with a sliding strip one 7, the side wall of the cage 4 is fixedly connected with a sliding strip two 8, and the sliding strip one 7 is movably connected with the sliding strip two 8. By arranging the sliding strip one 7 and the sliding strip two 8, the sliding strip one 7 supports the sliding strip two 8 when the cage 4 is placed, and this process can prevent the bottom supporting rod 602 from entering the clamping groove 604 at the top of the supporting strip 601.

[0043] With reference to Figure 3 The bottom of the cage 4 is provided with a flow guide disc 9, the side wall of the flow guide disc 9 is inclined, and the flow guide disc 9 is used for guiding excrement to the excrement discharge pipe 501. By arranging the flow guide disc 9, the excrement in the cage 4 can be guided by the arrangement of the flow guide disc 9, so that the excrement is guided to the excrement discharge pipe 501, and the efficiency of excrement collection can be improved.

[0044] With reference to Figure 5 The side wall of the blocking disc 5083 is sleeved with a sealing ring 10, and the side wall of the sealing ring 10 is in contact with the discharge pipe 507. By arranging the sealing ring 10, the blocking disc 5083 and the discharge pipe 507 can be sealingly connected to prevent excrement from entering the bottom of the discharge pipe 507 through the gap between the blocking disc 5083 and the discharge pipe 507.

[0045] With reference to Figure 4 The bottom of the inclined pipe 5081 is threadedly connected with a cover 11, the inner wall of the cover 11 is fixedly connected with a plug 12, and the plug 12 is movably connected with the inclined pipe 5081. By arranging the cover 11 and the plug 12, the bottom end of the inclined pipe 5081 can be blocked to prevent odor from being emitted.

[0046] With reference to Figure 1Four sealing doors 13 are arranged on the side wall of the cage 1, the sealing doors 13 are matched with the placing bins 2, the middle part of the sealing doors 13 is provided with a transparent observation port 14, through the arrangement of the sealing doors 13 and the observation port, the biological state in the cage body 4 can be observed conveniently.

[0047] Brief description of the use process:

[0048] In use, first, the cage 1 is used as the main structure of the whole device, four independent placing bins 2 are arranged inside, the placing bins 2 can be used simultaneously or individually according to the need, sufficient feeding space is provided for experimental animals, the air exchange device 3 introduces fresh air and exhausts waste gas, so that the air quality in the placing bin 2 meets the experimental requirements, the cage body 4 is the direct feeding space of the experimental animals, the support strip 601 supports the support rod 602, the friction between the support rod 602 and the support strip 601 is reduced through the arrangement of the roller 603, the support rod 602 and the roller 603 are arranged in the clamping groove 604, so that the displacement or shaking of the cage body 4 is prevented;

[0049] Then, the excrement generated by the experimental animals in the cage body 4 is preliminarily collected through the excrement discharge pipe 501, the excrement discharge pipe 501 is arranged at the bottom of the cage body 4, the excrement enters the connecting pipe 503 from the excrement discharge pipe 501, then is smoothly introduced into the inside of the conveying pipe 502 through the plug-in cooperation of the connecting pipe 503 and the conveying pipe 502, the conveying pipe 502 is installed at the bottom of the placing bin 2 and below the cage body 4, the design fully considers the smoothness and cleanliness of the excrement transmission, when the external power supply controls the servo motor 505 to start, the rotating shaft 504 starts to rotate, the auger 506 on the side wall is driven to rotate, the auger 506 effectively pushes the excrement in the conveying pipe 502 to one end of the conveying pipe 502, and the excrement enters the discharge pipe 507;

[0050] Finally, the blocking disc 5083 is driven to move up and down in the middle of the discharge pipe 507 by rotating the lead screw 5082, the blocking disc 5083 can block the connection between the inclined pipe 5081 and the discharge pipe 507, so that the excrement in the discharge pipe 507 can be controlled to enter the inclined pipe 5081, and the discharge amount control of the excrement during discharging is realized.

[0051] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. An IVC cage for biological experiments comprising a cage frame (1), characterized in that: The inside of the cage (1) is provided with four placing bins (2), the side wall of the cage (1) is provided with a ventilation device (3) matched with the placing bin (2), the inside of the placing bin (2) is provided with a cage (4), the inside of the placing bin (2) is provided with a feces cleaning mechanism (5) matched with the cage (4), and the inner wall of the placing bin (2) is provided with a supporting mechanism (6) for supporting the cage (4); The feces cleaning mechanism (5) comprises a feces discharge pipe (501), a conveying pipe (502), a connecting pipe (503), a rotating shaft (504), a servo motor (505), an auger (506), a discharging pipe (507) and a discharging control assembly (508), the feces discharge pipe (501) is arranged at the bottom of the cage (4), the conveying pipe (502) is installed at the bottom of the placing bin (2) and below the cage (4), the connecting pipe (503) is arranged on the side wall of the conveying pipe (502), the connecting pipe (503) is insertedly matched with the feces discharge pipe (501), the rotating shaft (504) is bearing-connected to the middle part of the conveying pipe (502), the servo motor (505) is bolted to the side wall of the conveying pipe (502) and the output end is fixedly connected with the rotating shaft (504), the auger (506) is arranged on the side wall of the rotating shaft (504), the discharging pipe (507) is arranged at one end of the conveying pipe (502), and the discharging control assembly (508) is arranged in the middle part of the discharging pipe (507).

2. The IVC cage for biological experiments according to claim 1, characterized in that: The discharging control assembly (508) comprises an inclined pipe (5081), a lead screw (5082) and a blocking disc (5083), the inclined pipe (5081) is arranged on the side wall of the discharging pipe (507), the lead screw (5082) is threadedly connected to the middle part of the discharging pipe (507), and the blocking disc (5083) is movably arranged on the top of the lead screw (5082) and movably arranged in the inside of the discharging pipe (507).

3. The IVC cage of claim 1, wherein: The supporting mechanism (6) comprises a supporting strip (601), a supporting rod (602), a roller (603) and a clamping groove (604), two supporting strips (601) are fixedly connected to the inner walls of the placing bin (2) respectively, four supporting rods (602) are fixedly connected to the side walls of the cage (4) respectively, the roller (603) is sleeved on the side wall of the supporting rod (602), and two clamping grooves (604) are formed in the side walls of the supporting strips (601) and are movably connected with the roller (603).

4. The IVC cage of claim 3, wherein: The bottom of the supporting strip (601) is fixedly connected with a sliding strip one (7), the side wall of the cage (4) is fixedly connected with a sliding strip two (8), and the sliding strip one (7) is movably connected with the sliding strip two (8).

5. The IVC cage of claim 1, wherein: The bottom of the cage (4) is provided with a flow guide disc (9), the side wall of the flow guide disc (9) is inclined, and the flow guide disc (9) is used for guiding the feces to the feces discharge pipe (501).

6. The IVC cage of claim 2, wherein: A sealing ring (10) is sleeved on the side wall of the blocking disc (5083), and the side wall of the sealing ring (10) is in contact with the discharging pipe (507).

7. The IVC cage of claim 2, wherein: The bottom of the inclined pipe (5081) is threadedly connected with a cover (11), the inner wall of the cover (11) is fixedly connected with a plug (12), and the plug (12) is movably connected with the inclined pipe (5081).

8. The IVC cage of claim 1, wherein: Four sealing doors (13) are arranged on the side wall of the cage (1), the sealing doors (13) are matched with the placing bins (2), and a transparent observation port (14) is arranged in the middle of the sealing doors (13).

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