CN210432602U

CN210432602U - Mouse metabolism cage

Info

Publication number: CN210432602U
Application number: CN201921076640.5U
Authority: CN
Inventors: 向琴; 宋宸蝶; 程康; 喻嵘; 吴勇军; 刘子毓; 曾祥晶; 蒋宛瑾
Original assignee: Hunan University of Chinese Medicine
Current assignee: Hunan University of Chinese Medicine
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-05-01
Anticipated expiration: 2029-07-10

Abstract

The utility model belongs to a metabolism cage, in particular to a mouse metabolism cage, which comprises an upper part activity area, a middle part separation area and a bottom collecting area, wherein the lower end of the upper part activity area is provided with a bottom net and a drawing leakage bottom, the outer side of the upper part activity area is clamped with a feeding device and a water inlet device, the middle part separation area is internally provided with a funnel and a water drop type drainage device, the lower opening of the funnel is provided with a suspension device, the water drop type drainage device is arranged outside the lower opening of the funnel through the suspension device, the upper end of the suspension device is provided with a conical flow guide device, the bottom of the funnel is fixed with a conical excrement retaining ring, the bottom collecting area is provided with a material taking plate, the material taking plate is provided with a urine pipe and an excrement pipe, the excrement pipe is arranged below the conical excrement retaining ring, the urine pipe is coaxially arranged in the excrement pipe, the upper end of the, the utility model discloses can be used to the metabolism cage and the rearging cage of mouse, assembly and disassembly is very convenient, convenient transportation.

Description

Mouse metabolism cage

Technical Field

The utility model belongs to a metabolism cage, in particular to a mouse metabolism cage.

Background

The mouse is a first-choice model animal for copying and researching human disease animal models and is commonly used for scientific research and teaching tests under the condition of no special reason due to the advantages of short reproductive cycle, easy acquisition of experimental animals, good biological stability, easy copying of disease models and the like. Generally, in the research of various metabolic diseases in the toxicity test of drugs, the food intake, water intake and excretion of test animals need to be closely monitored, and the collected excreta of the test animals need to be collected and separated to obtain accurate excretion or collect fresh and pollution-free urine and feces from the test for intestinal microbial analysis and various biochemical indexes and the like. In order to achieve the above purposes, the existing various metabolism cages for experiments are widely applied to animal experimental research at home and abroad, mainly comprise a mouse cage, a feeder, a water inlet device, an excrement collector and the like, the upper part of the structure is a mouse moving area, the middle part of the structure comprises a collecting funnel, and the lower part of the structure is an exposed structure for collecting samples, is used for collecting metabolites of mice, and mainly comprises excrement and urine; the feeder and the water inlet device are generally arranged on the side wall of the squirrel cage; in the using process, the excrement discharged by the test mouse in the upper mouse cage directly rolls into the lower excrement receiving disc from the outlet at the bottom of the funnel, and the urine discharged by the test mouse flows into the urine receiving bottle under the guidance of the guide elbow, so that the effect of separating the urine from the excrement is achieved. However, the structure is simple and crude, sterile samples cannot be collected for a long time without damage, so that the optimal research time and research requirements are lost for some researches, and meanwhile, when a mouse metabolism test is carried out, a mouse is generally placed in a metabolism cage for 24 hours, but the mouse is not suitable for the environment of the metabolism cage within a certain time when the mouse is placed in the metabolism cage, so that the metabolism of the mouse is abnormal, and the measurement result is inaccurate.

Patent publication No. CN2705008, rat and mouse metabolism cage, describes a rat and mouse metabolism cage, which comprises a mouse cage [1], a feeder [2], a water fountain [3] and an excrement collector, wherein the excrement collector is arranged at the bottom of the mouse cage [1], and is characterized in that: the excrement collector consists of a funnel [7], a sphere separator [6], a urine receiving cup [5] and an excrement receiving plate [4], wherein the funnel [7] is positioned below the cage bottom of the squirrel cage [1], and an inlet on the funnel is opposite to a cage bottom mesh grid [8 ]; the sphere separator [6] is hung below the lower outlet of the funnel [7], and the transverse diameter of the sphere separator [6] is larger than or equal to the diameter of the lower outlet; the urine receiving cup (5) is arranged in the feces receiving tray (4) and is positioned below the sphere separator (6), and the diameter of the cup opening of the urine receiving cup (5) is smaller than or equal to the transverse diameter of the sphere separator (6). The utility model discloses it is rational in infrastructure, can the accurate urine, the excrement of collecting experimental mouse excretion to be convenient for the water intake and the food intake of accurate determination experimental mouse, but should be big, mouse metabolism cage still has following several problems: (1) the excrement is inconvenient to store after being collected, and when workers forget or delay to take out and collect the excrement of a sample for various reasons, the excrement is infected by bacteria and becomes unusable or deteriorates under the influence of air temperature; (2) the experimental mouse urinates above the ball separator, and the urine falling to the ball separator is easy to splash due to no buffer of the inner wall of the funnel, so that the collection precision of the urine is influenced, and the excrement receiving disc is polluted; (3) the cross rod and the hook can adhere to part of urine, so that the urine collection precision is influenced, and the sample collection loss is caused; (4) it is inconvenient to assemble, disassemble, transport and clean.

Patent publication No. CN1034937, "a laboratory mouse metabolism cage", describes: the experimental mouse metabolism cage comprises a bracket, a mouse cage fixed on the bracket and a separation collector, wherein the bottom of the mouse cage is provided with a grid, the separation collector is arranged below the mouse cage and comprises a funnel, and the size of the upper opening of the separation collector is matched with that of the grid; the lower end of the conical separator is in an opening design, the conical separator is arranged in the funnel and is coaxial with the funnel, the size of an upper opening of the conical separator is smaller than that of a lower opening of the conical separator, and the size of the lower opening of the conical separator is larger than that of a neck of the funnel; the upper surface of the urine collecting ring is provided with an annular urine collecting groove, the lower opening of the funnel is positioned in the urine collecting groove, the urine collecting ring is obliquely arranged, the lowest end of the urine collecting ring is provided with a urine guide opening, and a urine tube for containing urine is arranged below the urine guide opening; excrement pipe sets up in the funnel below for connect excrement and urine greatly, urine pipe upper end opening part is provided with filtration membrane, can hold back excrement and urine, and the effect that lets the fecaluria separation is more obvious. The problems of the patent of the metabolism cages of rats and mice are solved, but the problems still exist: (1) the excrement is inconvenient to store after being collected: (2) when a laboratory mouse discharges excrement above the conical separator, excrement particles can fall into a gap between the funnel and the excrement pipe, so that the excrement particles attached to the upper edge of the excrement pipe are passed by the laboratory mouse when the laboratory mouse discharges the urine, the excrement and the urine are mutually interfered, and the precision of a sample is influenced; (3) the arrangement structure of the funnel, the conical separator, the urine collecting ring and the separating collector is complex, and the funnel, the conical separator, the urine collecting ring and the separating collector are inconvenient to produce and assemble; (4) the filtering membrane cannot achieve the effect of intercepting the excrement, when the excrement of the laboratory mouse falls onto the filtering membrane through the urine collecting ring, the excrement can be retained on the filtering membrane, mutual interference can occur when the excrement passes through the urine, the excrement can be diluted to flow into the filtering membrane for a long time, the excrement retained on the filtering membrane cannot flow into the excrement pipe, and the excrement cannot be well separated; (5) it is inconvenient to assemble, disassemble, transport and clean.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a mouse metabolism cage convenient to assembly and disassembly and practicality are good.

The content of the utility model comprises an upper movable area, a middle separation area and a bottom collecting area, wherein the lower end of the upper movable area is provided with a bottom net and a drawing leakage bottom, the outer side of the upper movable area is clamped with a feeding device and a water inlet device, the middle separation area is internally provided with a funnel and a water drop type drainage device, the lower opening of the funnel is provided with a suspension device, the water drop type drainage device is arranged outside the lower opening of the funnel through the suspension device, the peripheral diameter of the water drop type drainage device is larger than the diameter of the lower opening of the funnel, the upper end of the suspension device is provided with a conical flow guide device, the diameter of the bottom of the conical flow guide device is larger than the diameter of the outlet of the funnel, the bottom of the funnel is fixed with a conical excrement retaining ring, the bottom collecting area is provided with a material taking plate, the excrement pipe is arranged below the conical excrement retaining ring, and the diameter of the lower, the urine tube is coaxially arranged in the excrement tube, the diameter of the urine tube is smaller than the peripheral diameter of the water drop type drainage device, a conical filter screen is arranged at the upper end of the urine tube, and the upper portion movable area, the middle portion separation area and the bottom collection area are in threaded connection with each other.

The upper portion activity district is including activity district barrel and top cap, the fixed setting of end net is at activity district barrel lower extreme, the middle part leaves the district including the disengagement zone barrel, the funnel is fixed to be set up in disengagement zone barrel upper end, the diameter ratio funnel of end net is little than the last mouth diameter of funnel.

The drawing under screen is arranged at the bottom of the barrel body in the active area, and an installation groove for installing the drawing under screen is arranged on the side face of the barrel body in the active area.

The bottom collecting area comprises a collecting area cylinder and a collecting area bottom plate, the material taking plate is hinged to the side edge of the collecting area cylinder, and a placing groove for mounting the excrement pipe is formed in the material taking plate.

Still be provided with temperature control device in the bottom collecting region, temperature control device is including setting up refrigeration piece and the radiator on the collecting region bottom plate and setting up digital display thermometer and switching power supply on the collecting region barrel outer wall, be provided with the disengagement zone baffle that is used for keeping apart cold air on the collecting region barrel.

The movable area barrel is provided with a food inlet and a water inlet corresponding to the food feeding device and the water inlet device, clamping grooves are formed in the outer sides of the food inlet and the water inlet, mounting bosses corresponding to the clamping grooves are arranged on the food feeding device and the water inlet device, the food feeding device penetrates through the food inlet and is provided with a food inlet, and the water inlet device penetrates through the water inlet and is provided with a water accumulating groove.

The food feeding device is provided with a separation net I at a food feeding port, and the water inlet device is provided with a separation net II at a water inlet.

The urine tube outside is provided with the scale, still be provided with liquid level switch in the urine tube, liquid level switch is connected with the alarm.

The top cover can be a life window filter membrane or a mesh cover.

The separation zone barrel both ends are provided with the external screw thread, the activity district barrel corresponds with the junction of collection region barrel and separation zone barrel and is provided with the internal screw thread.

The beneficial effects of the utility model are that, the utility model discloses a setting up the upper portion active area of mutual spiro union, middle part leaves district and bottom collecting region, divide into three part with the metabolism cage, the whole very convenient equipment and dismantlement, upper portion active area bottom is provided with the pull under screen, can break away from upper portion active area and middle part leaving district when using, the installation pull under screen can act as laboratory mouse rearging cage, when needing to do the collection laboratory mouse excrement, directly screw in upper portion active area on the middle part separation district, take off the pull under screen can, the installation is convenient nimble, the laboratory mouse is in the process of gathering the record excrement, the living environment of laboratory mouse does not change, the laboratory mouse need not to pass the adaptation period, make the sample of gathering quick accurate; the conical flow guide device prevents urine from splashing to the conical excrement retainer ring to flow into the excrement pipe when the laboratory mouse drains right above the water drop type drainage device, so that the urine splashes to the inverted water drop type drainage device; the conical filter screen prevents that excrement and urine from dropping and falling down urine pipe top and gathering, avoids appearing excrement and urine mutual interference's phenomenon, and the whole separation is effectual, and the practicality is good.

By arranging the temperature control device and the separation area partition plate, excrement collected in the excrement pipe and the urine pipe can be in a low-temperature environment, and deterioration and bacterial pollution can not occur; the food feeding device and the water inlet device are installed through the matching of the installation boss and the clamping groove, the water inlet device and the water inlet device are installed quickly and flexibly, the food feeding device and the water inlet device are located in the movable area barrel and provided with the food inlet groove and the water collecting groove, food and water can be placed on the side wall of the movable area, the food and the water are prevented from falling into the bottom collecting area, and the collecting precision is improved; the volume of urine can be observed conveniently in real time by arranging the graduated scale; through setting up level switch, after the intraductal urine of urine reachd the take the altitude, remind the staff through the alarm, avoid the urine too much to spill over the urine pipe.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

In the figure, 1 a top cover, 2 a movable area cylinder body, 3 a bottom net, 4 a feeding device, 5 a water inlet device, 6 a feeding groove, 7 a water collecting groove, 8 a separation area cylinder body, 9 a funnel, 10 a water drop type drainage device, 11 supporting rods, 12 connecting columns, 13 a conical flow guide device, 14 a conical excrement retaining ring, 15 a separation area partition plate, 16 a conical filter screen, 17 a urine pipe, 18 an excrement pipe, 19 a collection area cylinder body, 20 a collection area bottom plate, 21 a separation net I, 22 a separation net II, 23 a drawing leakage bottom, 24 mounting grooves, 25 a material taking plate, 26 a placing groove, 27 a feeding port, 28 a water inlet, 29 a clamping groove and 30 a mounting boss.

Detailed Description

As shown in fig. 1-2, the utility model comprises an upper active area, a middle separation area and a bottom collection area, wherein the lower end of the upper active area is provided with a bottom net 3 and a pull-out bottom 23, the outer side of the upper active area is provided with a food feeding device 4 and a water inlet device 5, the upper active area is a living active area of the laboratory mouse, when the collection of the excrement of the mouse is not needed, the upper active area can be used alone, the pull-out bottom 23 is arranged for collecting the excrement, the function of the pull-out bottom is consistent with that of the mouse feeding cage, when the collection of the excrement of the mouse is needed, the upper active area is directly screwed into the middle separation area, the pull-out bottom 23 is taken down, after the installation, the alignment with the separation area is directly completed, the installation and the disassembly of the upper active area and the pull-out bottom 23 are very convenient and fast, the middle separation area is provided with a, the peripheral diameter of the water drop type drainage device 10 is larger than the diameter of the lower opening of the funnel 9, the water drop type drainage device 10 is arranged at the drainage device at the outlet of the funnel 9, excrement discharged by a mouse falls onto the water drop type drainage device 10 through the funnel 9, an excrement pipe 18 falls into the periphery of the water drop type drainage device 10 along the periphery, urine discharged by the mouse falls onto the water drop type drainage device 10 through the funnel 9, flows into the top end of the bottom of the water drop type drainage device 10 through the attachment characteristic of liquid, finally falls into a urine pipe for separating excrement and urine, a hanging device used for installing the water drop type drainage device 10 is arranged at the lower opening of the funnel 9 and comprises a supporting rod 11 installed at the bottom of the funnel 9, a connecting column 12 is vertically arranged in the middle of the supporting rod 11, the supporting rod 11 is in threaded connection with the connecting column 12, the water drop type drainage device 10 is in threaded connection with the bottom, the inverted water drop type drainage device 10 is fixedly installed through the support rod 11 and the connecting column 12, the assembly and disassembly are convenient, the installation stability is good, the contact position with excrement is small, the conical flow guide device 13 is arranged at the upper end of the suspension device, the bottom diameter of the conical flow guide device 13 is larger than the outlet diameter of the funnel 9, the conical flow guide device 13 is arranged, the excrement is prevented from directly falling onto the water drop type drainage device 10 or the suspension device when a laboratory mouse excretes directly above the water drop type drainage device 10, the excrement does not have the buffer effect of the inclined plane of the funnel 9, the excrement splashes and influences the separation effect, the conical excrement retainer ring 14 is fixed at the bottom of the funnel 9, the excrement is prevented from falling out of the excrement pipe 18 through inertia by the conical excrement retainer ring 14, the material taking plate 25 is arranged at the bottom collecting region, the urine pipe 17 and the excrement pipe 18 are arranged on the material taking plate 25, the excrement pipe 18, the diameter of the lower opening of the conical excrement retainer ring 14 is smaller than that of the excrement pipe 18, the material taking plate 25 is convenient to mount and dismount the excrement pipe 18 and the urine pipe 17 and is convenient to collect a sample, the urine pipe 17 is coaxially arranged in the excrement pipe 18, the diameter of the urine pipe 17 is smaller than that of the periphery of the water drop type drainage device 10, the upper end of the urine pipe 17 is provided with the conical filter screen 16, the conical filter screen 16 avoids excrement from being retained on the urine pipe 17, so that excrement and urine are interfered with each other, the urine pipe 17 can be relatively sealed to prevent urine from volatilizing, the upper movable area, the middle separated area and the bottom collecting area can be mutually clamped, buckled or threaded, in order to simplify the mounting difficulty and improve the stability after assembly, the upper movable area, the middle separated area and the bottom are preferably in threaded connection, and the inner side of the funnel 9, the outer wall of the conical flow guide device 13 and the outer edge surface of the water drop type separation device 10 are all, the loss of the collection process is reduced to the maximum extent.

The upper portion activity district is including activity district barrel 2 and top cap 1, the fixed setting of end net 3 is at activity district barrel 2 lower extreme, the middle part is from the district including disengagement zone barrel 8, funnel 9 is fixed to be set up in disengagement zone barrel 8 upper end, disengagement zone barrel 8 upper end is provided with the block boss, and funnel 9 passes through block boss block to be installed on disengagement zone barrel 8, and the equipment and the dismantlement of being convenient for, the clearance is also more convenient, the diameter ratio funnel 9's of end net 3 last mouth diameter is little, makes the excrement of mouse all fall into in the funnel 9 through end net 3.

The drawing under screen 23 sets up in activity district barrel 2 bottom, activity district barrel 2 side is provided with the mounting groove 24 that is used for installing drawing under screen 23, and drawing under screen 23 passes through mounting groove 24 installation, and easy dismounting is swift.

The bottom collecting area comprises a collecting area cylinder 19 and a collecting area bottom plate 20, the material taking plate 25 is hinged to the side edge of the collecting area cylinder 19, the material taking plate 25 is provided with a placing groove 26 for mounting the excrement pipe 18, the excrement pipe 18 is mounted in the placing groove 26, the mounting difficulty is simplified, the mounting precision of the excrement pipe 18 and the conical excrement retainer ring 14 is improved, the material taking plate 25 is hinged to the side edge of the collecting area cylinder 19, collected excrement is very convenient to extract on the premise that the collecting area cylinder 19 does not need to be dismounted,

in order to solve the problem that collected samples are not easy to store and reduce bacterial pollution, a temperature control device is further arranged on the collecting area at the bottom and comprises a refrigeration piece and a radiator which are arranged on a bottom plate 20 of the collecting area, and a digital display thermometer and a switch power supply which are arranged on the outer wall of a cylinder 19 of the collecting area, a radiating fan is arranged on the radiator, the refrigeration piece is respectively and electrically connected with the radiator and the switch power supply, and the radiator is electrically connected with the radiating fan, wherein the refrigeration piece is a tecI-12708 refrigeration piece; the heat sink is XS 2-90 heat sink; the switch power supply is a power plug with a plug, the collecting region cylinder 19 is provided with a separating region partition plate 15 for isolating cold air, and the inner wall of the collecting region cylinder 19, the upper wall of the collecting region bottom plate 20 and the lower wall of the separating region partition plate 15 are coated with heat insulating materials, preferably epoxy resin.

The utility model discloses a laboratory mouse is characterized in that be provided with on the active region barrel 2 with feed device 4 and water inlet 5 correspond feed mouth 27 and water inlet 28, in order to simplify the installation degree of difficulty, feed mouth 27 and water inlet 28 outside are provided with block groove 29, feed device 4 and water inlet 5 are provided with the installation boss 30 that corresponds the block with block groove 29, in order to prevent that food waste from falling into funnel 9 when laboratory mouse feeds, feed device 4 passes and is provided with into trough 6 in feed mouth 27, water inlet 5 passes and is provided with ponding groove 7 in the water inlet 28.

In order to prevent the laboratory mouse from penetrating into the feeding port 27 and the water inlet 28, the feeding device 4 is provided with a separation net I21 at the feeding port 27, and the water inlet device 5 is provided with a separation net II 22 at the water inlet 28.

In order to observe the urine storage condition conveniently, the graduated scale is arranged on the outer side of the urine tube 17, so that the phenomenon that the urine of an experimental mouse is discharged to overflow the urine tube 17 is avoided, the urine tube 17 is provided with a liquid level switch, the liquid level switch is an externally attached liquid level switch, high-frequency ultrasonic pulses generated by a sensor (probe) of the externally attached ultrasonic liquid level switch penetrate through the wall of the container of the urine tube 17, and the pulses are transmitted in the container wall and urine and then reflected back. Whether urine exists in the container at the monitoring point can be judged by detecting and calculating the reflection characteristic, and finally the liquid level controller outputs a relay signal to the alarm, so that the alarm is realized after the urine reaches the monitoring point, and a worker is reminded to process the urine in time.

Top cap 1 can be for life window filter membrane or with the cylinder mould, when using as mouse rearging cage, top cap 1 is the cylinder mould of buckle installation, the installation is swift and the gas permeability is good, be provided with the retractable handle on the cylinder mould, make things convenient for the metabolic of upper portion activity district or whole mouse to carry and transport, when using as metabolism cage, the top cap is the life window filter membrane, life window filter membrane is for the tiny latticed tectorial membrane that has the function of ventilating, life window filter membrane can be attached at activity district barrel 2 tops, also can the surrounding distributes and sets up four snap-fasteners, through snap-fastener and activity district barrel 2 fixed connection, when adopting life window filter membrane as top cap 1, metabolism cage wholly is in aseptic environment relatively, very big improvement exposes the condition of external environment when sample is collected in the past, guarantee the reliability of sample collection.

In order to facilitate the production and manufacture, the two ends of the separation area cylinder body 8 are provided with external threads, the connecting parts of the movable area cylinder body 2, the collection area cylinder body 19 and the separation area cylinder body 8 are correspondingly provided with internal threads, and the bottom of the movable area cylinder body 2 is provided with internal threads relative to the external threads, so that the neatness of the supporting and the threaded parts is facilitated when the rearing cage is used.

Claims

1. A mouse metabolism cage is characterized by comprising an upper portion moving area, a middle portion separating area and a bottom collecting area, wherein a bottom net (3) and a drawing leakage bottom (23) are arranged at the lower end of the upper portion moving area, a feeding device (4) and a water inlet device (5) are arranged on the outer side of the upper portion moving area in a clamping mode, a funnel (9) and a water drop type drainage device (10) are arranged in the middle portion separating area, a hanging device is arranged at the lower opening of the funnel (9), the water drop type drainage device (10) is arranged outside the lower opening of the funnel (9) through the hanging device, the peripheral diameter of the water drop type drainage device (10) is larger than the diameter of the lower opening of the funnel (9), a conical flow guide device (13) is arranged at the upper end of the hanging device, the bottom diameter of the conical flow guide device (13) is larger than the diameter of the lower opening of the funnel (9, bottom collecting region sets up gets flitch (25), gets to be provided with urine pipe (17) and excrement pipe (18) on flitch (25), excrement pipe (18) set up in toper excrement and urine retaining ring (14) below, and the end opening diameter ratio excrement and urine pipe (18) of toper excrement and urine retaining ring (14) is little, and urine pipe (17) coaxial setting is in excrement and urine pipe (18), and the peripheral diameter of the diameter ratio water droplet type drainage device (10) of urine pipe (17) is little, urine pipe (17) upper end is provided with toper filter screen (16), upper portion active area, middle part abscission district and the mutual threaded connection of bottom collecting region.

2. The mouse metabolism cage of claim 1, wherein the upper active region comprises an active region cylinder (2) and a top cover (1), the bottom net (3) is fixedly arranged at the lower end of the active region cylinder (2), the middle separation region comprises a separation region cylinder (8), the funnel (9) is fixedly arranged at the upper end of the separation region cylinder (8), and the diameter of the bottom net (3) is smaller than the diameter of the upper opening of the funnel (9).

3. The mouse metabolism cage according to claim 2, wherein the drawing-out under screen (23) is arranged at the bottom of the active area cylinder (2), and the side of the active area cylinder (2) is provided with a mounting groove (24) for mounting the drawing-out under screen (23).

4. The mouse metabolism cage according to claim 2 or 3, wherein the bottom collecting area comprises a collecting area cylinder (19) and a collecting area bottom plate (20), the material taking plate (25) is hinged to the side edge of the collecting area cylinder (19), and a placing groove (26) for installing the excrement pipe (18) is arranged on the material taking plate (25).

5. The mouse metabolism cage according to claim 4, wherein a temperature control device is further arranged on the bottom collecting region, the temperature control device comprises a refrigerating sheet and a radiator which are arranged on a collecting region bottom plate (20), a digital display thermometer and a switch power supply which are arranged on the outer wall of a collecting region cylinder (19), and a separating region partition plate (15) for isolating cold air is arranged on the collecting region cylinder (19).

6. The mouse metabolism cage according to claim 2, wherein the movable region cylinder (2) is provided with a food inlet (27) and a water inlet (28) corresponding to the food intake device (4) and the water intake device (5), the outsides of the food inlet (27) and the water inlet (28) are provided with clamping grooves (29), the food intake device (4) and the water intake device (5) are provided with mounting bosses (30) corresponding to the clamping grooves (29), the food intake device (4) penetrates through the food inlet (27) and is provided with a food intake groove (6), and the water intake device (5) penetrates through the water inlet (28) and is provided with a water accumulating groove (7).

7. The mouse metabolism cage of claim 6, wherein the feeding device (4) is provided with a separation net I (21) at the feeding port (27), and the water inlet device (5) is provided with a separation net II (22) at the water inlet (28).

8. The mouse metabolism cage of claim 1, 2, 3, 5, 6, or 7, wherein a graduated scale is disposed outside the urine tube (17), and a liquid level switch is disposed inside the urine tube (17) and connected to an alarm.

9. The mouse metabolism cage of claim 2, wherein the roof (1) is a life window filter or a mesh cover.

10. The mouse metabolism cage according to claim 4, wherein the separation region cylinder (8) is externally threaded at both ends, and the movable region cylinder (2) and the collection region cylinder (19) are internally threaded at the connection with the separation region cylinder (8).