CN115281109B

CN115281109B - IVC cage box circulating water adds device

Info

Publication number: CN115281109B
Application number: CN202210016022.1A
Authority: CN
Inventors: 陈通克; 王丽花
Original assignee: Wenzhou Medical University
Current assignee: Wenzhou Medical University
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2023-07-04
Anticipated expiration: 2042-01-07
Also published as: CN115281109A

Abstract

The invention discloses an IVC cage circulating water adding device which comprises a feeding frame, wherein a plurality of placing grooves are formed in the feeding frame and used for placing cage boxes. The feeding rack is internally provided with a water tank and a water delivery pipeline system, and the water tank is communicated with each placing groove through the water delivery pipeline system and is used for conveying water to each placing groove. The cage box is provided with a water receiving opening, the water receiving opening is provided with a water receiver, and the water receiver is used for storing water transported by the water pipeline system. In summary, the above technical scheme has the following beneficial effects: the cage box is placed in the standing groove, water pipe can add water to the water receiver according to program control is regularly, and a plurality of cage boxes can be placed to the rearing frame to can solve the problem of adding water for the cage box fast, this water adding mode saves trouble laborsaving, does not need manual operation, provides very big convenience for laboratory mouse's rearing.

Description

IVC cage box circulating water adds device

Technical Field

The invention relates to the field of test cage boxes, in particular to an IVC cage box circulating water adding device.

Background

IVC (individual ventilated cages, independent ventilation cage) cage means miniature SPF-class experimental animal raising and experimental equipment which is independently circulated in a closed independent cage by clean air flow with high ventilation frequency (20-60 times/hour), the exhaust gas is concentrated and discharged, and the experiment can be operated in an ultra-clean workbench or a biosafety cabinet. At present, chinese patent publication No. CN109463292A discloses an animal raising cage box for laboratory and a manufacturing process thereof, and the animal raising cage box comprises a box, an isolation net grid erected on the edge of an opening of the box, and a box cover covered on the box, wherein a water feeding area and a feeding area are recessed towards the inside of the box on the isolation net grid, an inclined water supply cavity embedded into the water feeding area is recessed on the box cover, and an air inlet and an air outlet communicated with an air permeable area are formed in the box cover. Such laboratory animal feeding cages are usually equipped with one water feeder, but when a plurality of mice are raised, there is often no water in the water feeder, and the raising personnel sometimes forget the condition of adding water, and each water feeder is time-consuming and laborious to add water one by one, wasting a lot of time for the experimenters.

Thus, how to achieve rapid addition of water to an IVC cage is a matter of consideration in the present application.

Disclosure of Invention

Aiming at the defects existing in the prior art, on the one hand, the IVC cage circulating water adding device is provided, and the IVC cage circulating water adding device can automatically add water to each IVC cage.

In order to achieve the above purpose, the following technical scheme is provided:

an IVC cage circulating water adding device comprises a feeding frame, wherein a plurality of placing grooves are formed in the feeding frame and used for placing cage boxes.

The feeding rack is internally provided with a water tank and a water delivery pipeline system, and the water tank is communicated with each placing groove through the water delivery pipeline system and is used for conveying water to each placing groove.

The cage box is provided with a water receiving opening, the water receiving opening is provided with a water receiver, and the water receiver is used for storing water transported by the water pipeline system.

In summary, the above technical scheme has the following beneficial effects: the cage box is placed in the standing groove, water pipe can add water to the water receiver according to program control is regularly, and a plurality of cage boxes can be placed to the rearing frame to can solve the problem of adding water for the cage box fast, this water adding mode saves trouble laborsaving, does not need manual operation, provides very big convenience for laboratory mouse's rearing.

Drawings

FIG. 1 is a schematic perspective view of an IVC cage circulating water adding device;

FIG. 2 is a schematic view of a water receiving port structure of an IVC cage circulating water adding device;

FIG. 3 is a schematic view of a water receiver structure of an IVC cage circulating water adding device;

FIG. 4 is a schematic view of a water delivery tube structure of an IVC cage circulating water adding device;

FIG. 5 is a schematic cross-sectional view of a water delivery tube of an IVC cage circulating water adding device;

FIG. 6 is a schematic cross-sectional view of a clean water chamber of an IVC cage circulating water adding device;

FIG. 7 is a schematic diagram of a feed channel structure of an IVC cage circulating water adding device;

FIG. 8 is a schematic view of a feed inlet structure of an IVC cage circulating water adding device;

FIG. 9 is a schematic diagram of a material control structure of an IVC cage circulating water adding device;

FIG. 10 is a schematic view of the structure of the mating components of an IVC cage circulating water adding device;

FIG. 11 is a schematic view of a measuring chamber structure of an IVC cage circulating water adding device;

FIG. 12 is a schematic view of the front and rear edges of an IVC cage circulating water addition apparatus;

FIG. 13 is a schematic view of a sliding component of an IVC cage circulating water adding device;

FIG. 14 is a schematic view of a connection assembly of an IVC cage circulating water addition apparatus;

FIG. 15 is a schematic view of a left chute and a right chute of an IVC cage circulating water adding device;

FIG. 16 is an enlarged pictorial illustration of a power chamber of an IVC cage circulating water addition apparatus;

fig. 17 is a schematic view of a screw and motor of an IVC cage circulating water addition device.

Reference numerals: 10. a feeding rack; 11. a placement groove; 12. a water tank; 13. a food storage cavity; 14. a feed channel; 141. a screw; 142. a motor; 15. a power cavity; 151. a worm; 16. a pushing groove; 161. a pushing block; 17. a water purifying cavity; 171. a water inlet channel; 172. a water outlet channel; 173. a water purifying device; 174. a power pump; 20. a cage; 21. a water receiving port; 22. a water receiver; 221. a water storage cylinder; 222. a plate; 223. a water outlet; 23. a feed port; 231. a leading edge; 232. a trailing edge; 24. a sliding cover; 241. a front end; 242. a rear end; 25. a sliding port; 26. a filter element; 30. a water delivery tube array; 31. a trunk road; 32. a branch; 33. a main valve; 34. a sub-valve; 35. a female valve; 40. a material control structure; 41. a sliding member; 411. a bottom plate; 4111. a left chute; 4112. a right chute; 412. a left plate; 413. a right plate; 414. a connection assembly; 4141. a left lever; 4142. a right lever; 4143. a vertical rod; 42. a mating member; 421. a front plate; 422. a rear plate; 43. a measurement cavity.

Detailed Description

The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

As shown in fig. 1 and 2, an IVC cage circulating water adding device includes a feeding frame 10, a plurality of placing grooves 11 are formed on the feeding frame 10, and the placing grooves 11 are used for placing a cage 20; a water tank 12 and a water pipe system are arranged in the feeding frame 10, and the water tank 12 is communicated with each placing groove 11 through the water pipe system and is used for conveying water to each placing groove 11; the water receiving port 21 is arranged on the cage 20, the water receiving port 21 is provided with the water receiver 22, and the water receiver 22 is used for storing water transported by the water pipeline system. The cage boxes 20 are placed in the placing groove 11, water can be added into the water receiver 22 at regular time through the water conveying pipeline according to program control, and the feeding frame 10 can be used for placing a plurality of cage boxes 20, so that the problem of adding water into the cage boxes 20 rapidly can be solved, the water adding mode is trouble-saving and labor-saving, manual operation is not needed, and great convenience is provided for feeding mice in a laboratory.

As shown in fig. 3, the water receiver 22 includes a water storage barrel 221 for storing water, the upper edge of the water storage barrel 221 extends outwards to form a disc-shaped plate 222, the plate 222 is used for receiving water transported to the placement groove 11 by a water delivery pipeline, a water outlet 223 extends downwards from the water storage barrel 221, the water outlet 223 passes through the water receiving opening 21, and a ball is arranged in the water outlet 223 for the mice to drink water. The water receiver 22 can be separated from the cage 20, and when the water receiver is needed to be used, the water receiver can be placed in the water receiving port 21, water in the water conveying pipeline system can flow to the position where the water receiver 22 is positioned in each placing groove 11, and the water receiving area can be increased by arranging the tray 222.

The tray 222 has a replaceable filter cartridge 26 disposed thereon. The filter element 26 is used for filtering water flowing out of the water delivery pipeline system, so that impurities in the water are prevented from polluting a water source, and meanwhile, external impurities can be prevented from entering the water storage barrel 221.

As shown in fig. 4, each placement groove 11 is arranged in an array, the water pipe system includes multiple water delivery tubes 30, one water delivery tube 30 is used for delivering water to a row of placement grooves 11, one end of each water delivery tube 30 is communicated with the water tank 12, and the other end is respectively connected with the placement groove 11 in the row. The water in the water tanks 12 flows from the water delivery pipes 30 to the placing tank 11 from top to bottom, and one water delivery pipe 30 is used for controlling the water flow delivery of one water tank 12.

As shown in fig. 5, the water delivery tube 30 includes a trunk 31 and a plurality of branches 32, the trunk 31 is communicated with the water tank 12, and is vertically arranged, one end of each branch 32 is communicated with the trunk 31, and the other end is respectively communicated with the placement grooves 11 in the row. The branch circuits 32 are in one-to-one correspondence with the placing grooves 11, one end of each branch circuit 32 connected with the trunk circuit 31 is higher than one end connected with the placing groove 11, water in the water tank 12 flows into the trunk circuit 31, then flows into each placing cavity from the branch circuit 32, and can flow into each placing cavity by means of the gravity of water flow when water is added.

The branch circuits 32 are arranged in parallel and have equal intervals, a total valve 33 is arranged at the joint of the main circuit 31 and the water tank 12, and a sub valve 34 is arranged at the joint of the branch circuits 32 and the main circuit 31. If the cage 20 is placed in one row of the placing grooves 11, all the sub valves 34 are closed when water is controlled to be added, the main valve 33 is opened, water flows fully fill the branch 32, and then the main valve 33 is closed; then the sub-valves 34 are opened sequentially from top to bottom, and the water flows into the respective placement grooves 11 sequentially. The respective branches 32 are equally spaced, so that the amount of water flowing in is also equal, and the amount of water flowing in is not greater than the capacity of the water storage cylinder 221. A filter membrane is further provided at the junction of the main channel 31 and the water tank 12 to filter the water flowing into the main channel 31.

A female valve 35 is arranged on the trunk 31 below the junction with each branch 32. The female valves 35 are in one-to-one correspondence with the branches 32, and if the cage boxes 20 of a certain row of the placement grooves 11 are not fully filled, and water needs to be added to the placement grooves 11 in which the cage boxes 20 are placed, the water is added to the placement grooves 11 through the matching of the female valves 35 and the sub valves 34.

Embodiment one: three placing grooves 11 are arranged on each row of the feeding frame 10, namely a first placing groove 11, a second placing groove 11 and a third placing groove 11 are arranged from top to bottom, the corresponding sub-valves 34 are respectively a first sub-valve 34, a second sub-valve 34 and a third sub-valve 34, and the corresponding main valves 35 are respectively a first main valve 35, a second main valve 35 and a third main valve 35; if the cage 20 is placed in the first placing groove 11 and the third placing groove 11, when water needs to be added, the sub valves 34 are closed, then the first main valve 35 and the main valve 33 are opened, the main valve 33 is closed after the main passage 31 between the second main valve 35 and the main valve 33 is full of water, then the first main valve 35 is closed, the second main valve 35 is opened to allow water to flow between the third main valve 35 and the second main valve 35, then the second main valve 35 is closed, at this time, water exists in the main passage 31 between the first main valve 35 and the main valve 33 and in the main passage 31 between the third main valve 35 and the second main valve 35, finally, the first sub valve 34 and the third sub valve 34 are opened, and water in the main passage 31 flows into the first placing groove 11 and the third placing groove 11 through the branch passage 32. The water drunk by the mice is purified water without pollution, and if the water is stored for a long time, the water can be deteriorated to affect the health of the mice, and the water drunk by the mice can be prevented from being stored in the trunk road 31 and the branch road 32 by adding the water in the mode, so that the problem that the water can be deteriorated in the trunk road 31 and the branch road 32 is solved. The third parent valve 35 and the third child valve 34 may be the same valve. The control process is programmed and controlled by a control program such as a computer or a PLC, and is provided with corresponding sensors for detecting, for example, a proximity switch for detecting whether the cage 20 is present, a sensor for detecting water flow, and the like.

As shown in fig. 6, the feeding frame 10 is provided with a water purifying cavity 17, the water purifying cavity 17 is communicated with the water tank 12 through a water inlet channel 171 and a water outlet channel 172, the water inlet channel 171 is provided with a water purifying device 173, the water outlet channel is provided with a power pump 174, the water purifying device 173 is used for sucking and purifying water in the water tank 12 and then discharging the water into the water purifying cavity 17, and the power pump 174 is used for pumping the water in the water purifying cavity 17 into the water tank 12. The water purifying cavity 17 is used for circularly purifying water in the water tank 12 so as to ensure the water in the water tank 12 to be clean, the water tank 12 is provided with water quality monitoring equipment, and when the water quality monitoring equipment monitors that the water source in the water tank 12 is unqualified, the control master valve 33 is closed.

The water purifying cavity 17 is arranged below the water tank 12, the water purifying device 173 and the power pump 174 are arranged left and right, and the water outlet of the water purifying device 173 faces the power pump 174, so that the power pump 174 can conveniently pump water to the water tank 12; the water outlet of the power pump 174 faces the water purifying apparatus 173 so that the dirty water in the sump 12 can be pushed toward the power pump 173.

As shown in fig. 7-11, the feeding rack 10 is further provided with a food storage cavity 13 therein, and the food storage cavity 13 is communicated with each placement groove 11 through a feeding channel 14. The cage box 20 is provided with a feed opening 23, the cage box 20 is slidably provided with a sliding cover 24, and the sliding cover 24 is used for controlling the opening and closing of the feed opening 23; a material control structure 40 is arranged in the cage 20 at the material inlet 23 and is used for measuring the amount of the fed feed; the material control structure 40 is arranged in linkage with the sliding cover 24, and when the sliding cover 24 is moved to one side of the material feeding port 23 to open the material feeding port 23, the material control structure 40 forms a measuring cavity 43 for containing feed; when the sliding cover 24 covers the feed inlet 23 to close the feed inlet 23, the feed control structure 40 is separated, and the feed falls into the cage 20. When feeding is needed, the feeding mouth 23 is opened by moving the sliding cover 24 to one side of the feeding mouth 23, so that the feed can be added into the cage box 20, and the cage box 20 can be opened to add the feed in the existing animal feeding cage box for the laboratory. The cage box 20 is internally provided with a material control structure 40 which is in linkage with the sliding cover 24, when the feed inlet 23 is opened, the material control structure 40 is clamped to form a measuring cavity 43 for containing feed, so that the amount of feed addition is conveniently controlled, and when the feed inlet 23 is closed through the sliding cover 24, the material control structure 40 is separated, and the feed falls into the cage box 20. By adding the feed in this way, the cage box 20 can be more convenient and quick, and the risk that the mice escape after being opened can be avoided. The feeding rack 10 can intensively and rapidly add feed to the cage 20.

The material control structure 40 comprises a sliding part 41 and a matching part 42; the sliding component 41 is arranged in the cage 20 and connected with the sliding cover 24, and the matching component 42 is arranged in the cage 20 and fixedly connected with the bottom of the cage 20; the slide member 41 and the mating member 42 are capable of mating with each other to form a measuring chamber 43 for receiving feed. When the sliding cover 24 is moved to one side of the feed inlet 23 to open the feed inlet 23, the sliding part 41 and the matching part 42 are matched with each other to form a measuring cavity 43 for containing feed; when the sliding cover 24 covers the feed inlet 23 to close the feed inlet 23, the sliding member 41 is separated from the mating member 42, and the feed falls into the cage 20.

As shown in fig. 12, the feed port 23 has a front edge 231 and a rear edge 232, the slide cover 24 has a front end 241 and a rear end 242, and when the rear end 242 of the slide cover 24 is located at one side of the front edge 231 of the feed port 23, the feed port 23 is opened; when the rear end 242 of the sliding cover 24 is positioned at one side of the rear edge 232 of the feed opening 23 and the front end 241 of the sliding cover 24 is positioned at one side of the front edge 231 of the feed opening 23, the feed opening 23 is covered and closed by the sliding cover 24; the matching component 42 comprises a front plate 421 and a rear plate 422, the front plate 421 is fixedly arranged below the front edge 231 of the feed opening 23 in the cage 20, and the rear plate 422 is fixedly arranged below the rear edge 232 of the feed opening 23 in the cage 20.

As shown in fig. 13, the sliding component 41 includes a bottom plate 411, a left plate 412, a right plate 413 and a connecting component 414, the left plate 412 is fixedly connected with the left edge of the bottom plate 411, the right plate 413 is fixedly connected with the right edge of the bottom plate 411, a sliding opening 25 is formed in the cage 20 along the sliding direction of the sliding cover 24, one end of the connecting component 414 is connected with the bottom plate 411, and the other end passes through the sliding opening 25 to be connected with the sliding cover 24.

When the rear end 242 of the sliding cover 24 is located at one side of the front edge 231 of the feed inlet 23 to open the feed inlet 23, the connecting component 414 drives the bottom plate 411, the left plate 412 and the right plate 413 to move below the feed inlet 23, and the bottom plate 411, the left plate 412 and the right plate 413 form a measuring cavity 43 with the front plate 421 and the rear plate 422 for containing feed; when the sliding cover 24 covers the feeding port 23 to close the feeding port 23, the connecting assembly 414 drives the bottom plate 411, the left plate 412 and the right plate 413 to move to one side of the rear plate 422, and the feed is blocked by the rear plate 422 and falls into the cage 20.

As shown in fig. 14 and 15, the connecting assembly 414 includes a left rod 4141, a right rod 4142 and a vertical rod 4143, wherein a first end of the vertical rod 4143 passes through the sliding opening 25 and is fixedly connected with the sliding cover 24, and a second end is respectively connected with the first end of the left rod 4141 and the first end of the right rod 4142; the bottom plate 411 is provided with a left chute 4111 at the lower edge of the left side and a right chute 4112 at the lower edge of the right side; the left runner 4111 is in sliding engagement with the left lever 4141 and restrains the second end of the left lever 4141 within the left runner 4111; right runner 4112 is a sliding fit with right lever 4142 and restrains the second end of right lever 4142 within right runner 4112.

The width of the front plate 421 in the left-right direction is larger than that of the bottom plate 411 in the left-right direction, when the rear end 242 of the slide cover 24 is positioned at the feed inlet 23 and is delayed, the feed inlet 23 is not yet opened, and at this time, the bottom plate 411, the left plate 412 and the right plate 413 form a measuring cavity 43 for containing feed together with the front plate 421 and the rear plate 422; when the sliding cover 24 is slid to open the feeding port 23, the front plate 421 blocks the bottom plate 411, the left plate 412 and the right plate 413, and the left rod 4141 and the right rod 4142 slide in the opening direction of the sliding cover 24 in the left sliding groove 4111 and the right sliding groove 4112, respectively, until the vertical rod 4143 reaches the front of the sliding port 25 to be limited, at this time, the rear end 242 of the sliding cover 24 is located at the front edge 231 of the feeding port 23, and the feeding port 23 is completely opened. When the feeding is completed, the sliding cover 24 is pushed backwards, in the process that the rear end 242 of the sliding cover 24 moves towards the rear extension of the feeding port 23, the feeding port 23 is slowly closed, the left rod 4141 and the right rod 4142 slide in the closing direction of the sliding cover 24 in the left sliding groove 4111 and the right sliding groove 4112 respectively until the left rod 4141 and the right rod 4142 prop against the left sliding groove 4111 and the right sliding groove 4112, and at the moment, the rear end 242 of the sliding cover 24 is positioned at the rear extension of the feeding port 23, and the closing of the feeding port 23 is completed; the sliding cover 24 is pushed continuously, the left rod 4141 and the right rod 4142 drive the bottom plate 411 to move along the closing direction of the sliding cover 24, and at this time, the feed falls into the cage 20 from the gap between the bottom plate 411 and the front plate 421 until the vertical rod 4143 reaches the rear of the sliding opening 25 to be limited.

The distance between the front edge 231 and the rear edge 232 of the feed port 23 is L, the length of the sliding cover 24 along the sliding direction is L, the length of the sliding port 25 along the sliding direction of the sliding cover 24 is L, the length of the connecting component 414 along the sliding direction is L, and the lengths of the bottom plate 411, the left plate 412 and the right plate 413 along the moving direction are L; one end of the connecting component 414 is in sliding connection with the bottom plate 411, and the other end of the connecting component passes through the sliding opening 25 and is fixedly connected with the center of the sliding cover 24; when the rear end 242 of the sliding cover 24 exceeds the rear edge 232 of the feed inlet 23 by the length L, the connecting component 414 drives the bottom plate 411, the left plate 412 and the right plate 413 to move to one side of the rear plate 422, and the feed is blocked by the rear plate 422 and falls into the cage 20; when the rear end 242 of the sliding cover 24 is overlapped with the feeding port 23 in a rear extension way, the connecting component 414 drives the bottom plate 411, the left plate 412 and the right plate 413 to move below the feeding port 23, and the bottom plate 411, the left plate 412 and the right plate 413 form a measuring cavity 43 for containing feed together with the front plate 421 and the rear plate 422; when the rear end 242 of the slide cover 24 coincides with the front edge 231 of the feed port 23, the feed port 23 is opened.

The slide cover 24 is provided with a magnet. The magnets on the sliding cover 24 are used for matching with magnets arranged below the pushing block 161.

As shown in fig. 16 and 17, a screw 141 and a motor 142 coupled to the screw 141 are provided in the feed passage 14, and the screw 141 is used to convey food in the feed passage 14 into the cage 20.

The feeding frame 10 is also internally provided with a power cavity 15 and a pushing groove 16, the power cavity 15 is communicated with the pushing groove 16, a worm 151 is arranged in the power cavity 15, a pushing block 161 which is in linkage with the worm 151 is arranged in the pushing groove 16, and the worm 151 is coupled with the motor 142 and used for driving the pushing block 161 to move along the pushing groove 16. The motor 142 is a double-headed motor, and two drills of the double-headed motor are respectively connected to the screw 141 and the worm 151 and can be separately controlled, or the motor 142 is provided with two drills, which are respectively connected to the screw 141 and the worm 151 for separate control.

A magnet is provided under the push block 161. After the IVC cage 20 is placed in the placement groove 11, when feed needs to be added, the motor 142 drives the worm 151 to rotate, and magnets below the push block 161 and on the sliding cover 24 attract each other, so that the push block 161 can drive the sliding cover 24 to move together when moving, and the feed inlet 23 is opened and closed, and when the motor 142 controls the sliding cover 24 to move, the screw 141 also starts to rotate to drive feed to enter the cage 20 from the feed channel 14. Or another motor 142 alone controls the rotation of the screw 141 to drive feed into the cage 20. The magnets under the push block 161 may be electromagnets coupled to the motor 142 that generate a suction force when the motor 142 is activated, thereby attracting the magnets on the slider 24.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. The IVC cage circulating water adding device is characterized by comprising a feeding frame (10), wherein a plurality of placing grooves (11) are formed in the feeding frame (10), and the placing grooves (11) are used for placing cage boxes (20);

a water tank (12) and a water pipe system are arranged in the feeding frame (10), and the water tank (12) is communicated with each placing groove (11) through the water pipe system and is used for conveying water to each placing groove (11);

a water receiving port (21) is formed in the cage box (20), a water receiver (22) is arranged on the water receiving port (21), and the water receiver (22) is used for storing water transported by the water pipeline system;

a food storage cavity (13) is formed in the feeding frame (10), and the food storage cavity (13) is communicated with each placing groove (11) through a feeding channel (14);

a feed opening (23) is formed in the cage box (20), a sliding cover (24) is slidably arranged on the cage box (20), and the sliding cover (24) is used for controlling the opening and closing of the feed opening (23);

a material control structure (40) is arranged in the cage box (20) at the material feeding port (23) and is used for measuring the amount of the fed feed;

the material control structure (40) is arranged in linkage with the sliding cover (24), and when the sliding cover (24) is displaced to one side of the material feeding port (23) to enable the material feeding port (23) to be opened, the material control structure (40) forms a measuring cavity (43) for containing feed;

when the sliding cover (24) covers the feeding port (23) to enable the feeding port (23) to be closed, the material control structure (40) is separated, and the feed falls into the cage box (20);

a screw (141) and a motor (142) coupled with the screw (141) are arranged in the feeding channel (14), and the screw (141) is used for conveying food in the feeding channel (14) into the cage (20);

the material control structure (40) comprises a sliding component (41) and a matching component (42); the sliding component (41) is arranged in the cage box (20) and is connected with the sliding cover (24), and the matching component (42) is arranged in the cage box (20) and is fixedly connected with the bottom of the cage box (20); the sliding component (41) and the matching component (42) can be matched with each other to form a measuring cavity (43) for containing feed;

the feed opening (23) is provided with a front edge (231) and a rear edge (232), the matching component (42) comprises a front plate (421) and a rear plate (422), the front plate (421) is fixedly arranged below the front edge (231) of the feed opening (23) in the cage box (20), and the rear plate (422) is fixedly arranged below the rear edge (232) of the feed opening (23) in the cage box (20);

the sliding component (41) comprises a bottom plate (411), a left plate (412), a right plate (413) and a connecting component (414), wherein the left plate (412) is fixedly connected with the left edge of the bottom plate (411), the right plate (413) is fixedly connected with the right edge of the bottom plate (411), a sliding opening (25) is formed in the cage (20) along the sliding direction of the sliding cover (24), one end of the connecting component (414) is connected with the bottom plate (411), and the other end of the connecting component penetrates through the sliding opening (25) to be connected with the sliding cover (24).

2. The IVC cage circulating water adding device according to claim 1, wherein the water receiver (22) comprises a water storage barrel (221) for storing water, the upper edge of the water storage barrel (221) extends outwards to form a disc-shaped disc (222), the disc (222) is used for receiving water transported to the placing groove (11) by a water delivery pipeline, a water outlet (223) extends downwards from the lower part of the water storage barrel (221), the water outlet (223) passes through the water receiving opening (21) and is provided with a ball for supplying water for mice.

3. The IVC cage circulating water adding device of claim 1, wherein each placement groove (11) is arranged in an array, the water pipe system comprises a plurality of water conveying pipes (30), one water conveying pipe (30) is used for conveying water to one placement groove (11), one end of each water conveying pipe (30) is communicated with the water groove (12), and the other end of each water conveying pipe is respectively connected with the placement groove (11) in the row.

4. The IVC cage circulating water adding device according to claim 3, wherein the water delivery column tube (30) comprises a main road (31) and a plurality of branch roads (32), the main road (31) is communicated with the water tank (12) and is vertically arranged, one end of each branch road (32) is communicated with the main road (31), and the other end is respectively communicated with the placing grooves (11) of the column in which the branch road (32) is arranged.

5. The IVC cage circulating water adding device of claim 4, wherein each branch (32) is arranged in parallel and has equal space, a total valve (33) is arranged at a connecting node of the trunk (31) and the water tank (12), and a sub valve (34) is arranged at a connecting node of each branch (32) and the trunk (31).

6. The IVC cage circulating water adding device according to claim 5, wherein female valves (35) are arranged below the connecting nodes of the main circuit (31) and the branch circuits (32).

7. The IVC cage circulating water addition device of claim 2, wherein the tray (222) is provided with replaceable filter cartridges (26).

8. The IVC cage circulating water adding device of any one of claims 1-7, wherein a water purifying cavity (17) is formed in the feeding frame (10), the water purifying cavity (17) is communicated with the water tank (12) through a water inlet channel (171) and a water outlet channel (172), the water inlet channel (171) is provided with a water purifying device (173), the water outlet channel is provided with a power pump (174), the water purifying device (173) is used for sucking and purifying water in the water tank (12) and then discharging the water into the water purifying cavity (17), and the power pump (174) is used for pumping the water in the water purifying cavity (17) into the water tank (12).

9. The IVC cage circulating water adding device of claim 8, wherein the water purifying chamber (17) is arranged below the water tank (12), the water purifying device (173) and the power pump (174) are arranged left and right, the water outlet of the water purifying device (173) faces the power pump (174), and the water outlet of the power pump (174) faces the water purifying device (173).