Automatic feeding cage for laboratory mice

By designing an automatic feeding cage, the laboratory mice were automatically fed and given water in a quantitative manner, which solved the problems of feed waste and complicated operation, and improved the safety and efficiency of the experimenters.

CN223452628UActive Publication Date: 2025-10-21CHENGDU ANTU BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422869617.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-21
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing feeding cages for laboratory mice result in feed waste and high labor intensity for laboratory personnel. Furthermore, the fasting procedure is complex and may lead to agitation and health risks for the mice.

Method used

An automatic feeding cage for laboratory mice was designed, which includes a food storage bin and a water storage bin. Automatic quantitative feeding and water supply are achieved through a stepper motor and a micro water pump. Combined with a control system, timed and quantitative feeding is achieved. Grip gloves and a movable board are provided to improve operational safety.

Benefits of technology

It has enabled automated feeding, reduced feed waste, decreased the workload of experimental personnel, improved operational safety, and prevented aggressive behavior in laboratory mice.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automatic laboratory mouse feeding cage, which belongs to the technical field of mouse cages and comprises a cage body, a feed box and a water box are arranged inside the cage body, a feed storage barrel and a water storage barrel are arranged outside the cage body, a feed guide pipe is connected to the lower portion of the feed storage barrel, the free end of the feed guide pipe is arranged on the upper portion of the feed box, and a feed guide wheel is arranged in the feed guide pipe. A stepping motor is arranged outside the material guide pipe, and the material guide wheel is connected with a rotating shaft of the stepping motor; a miniature water pump is arranged in the water storage barrel and connected with a water guide pipe, and the free end of the water guide pipe is arranged on the upper portion of the water box; the device further comprises a control system, and the stepping motor and the micro water pump are electrically connected with the control system. According to the feeding cage, automatic feeding and water supply can be achieved, the feeding and water supply interval time can be set according to experiment requirements, and the problem that in the prior art, excessive feed is left in a feeding cage, and feed waste is caused is effectively solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of mouse cages, and particularly relates to an automatic feeding cage for experimental mice. Background Art

[0002] In modern medical experiments, animal experiments are indispensable, and the breeding of experimental animals is an important foundation for conducting animal experimental research. In fact, the largest scale is the breeding of experimental mice. At present, during the breeding process, feed and water are generally added manually to the feed box or water box in the mouse cage. Generally, more feed is added to reduce the number of additions and reduce the labor of the breeder. However, the excess feed is mostly contaminated and wasted. Moreover, the existing experimental mouse model is generally prepared by restricting the eating time of the experimental mice to simulate the behavior of humans who change their eating time when they are experiencing jet lag, night shifts, staying up late, etc., and need to feed at unconventional eating times and fast at regular eating times. During operation, the existing mouse cage requires the experimenter to take away the animal's feed box at a fixed time every day and put it back at a fixed time, which requires the experimenter to spend more energy and creates a burden on the experimenter.

[0003] When laboratory mice are fasted, they become extremely irritable due to hunger and disordered eating. When the keepers try to catch the mice, they may be bitten by them, which poses certain health risks. Utility Model Content

[0004] In response to the above-mentioned deficiencies in the prior art, the utility model provides an automatic feeding cage for experimental mice, which can automatically feed and supply water, and can set the feeding and watering intervals according to experimental requirements, effectively solving the problem of excessive feed remaining in the feeding cage in the prior art, resulting in feed waste.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention to solve the technical problem is:

[0006] An automatic feeding cage for experimental mice comprises a cage body, a material box and a water box are provided inside the cage body, a material storage barrel and a water storage barrel are provided outside the cage body, a material guide pipe is connected to the lower part of the material storage barrel, the free end of the material guide pipe is provided on the upper part of the material box, a material guide wheel is provided inside the material guide pipe, a stepping motor is provided outside the material guide pipe, and the material guide wheel is connected to the rotating shaft of the stepping motor; a micro water pump is provided in the water storage barrel, a water guide pipe is connected to the micro water pump, and the free end of the water guide pipe is provided on the upper part of the water box;

[0007] It also includes a control system, and the stepping motor and the micro water pump are electrically connected to the control system.

[0008] Furthermore, the material guide tube is provided with an arc portion, the material guide wheel is configured to be circular, and the material guide wheel is disposed in the arc portion and is tightly connected to the arc portion.

[0009] Further, at least four baffles are arranged in the material guide wheel, which uniformly divide the material guide wheel into four material storage cavities, and the linear opening size of the material storage cavities is equal to or greater than the diameter of the material guide pipe.

[0010] Further, the edge of the baffle is provided with an elastic sheet, and the elastic sheet is connected with the baffle torsional spring.

[0011] Further, the cage side is provided with a grabbing opening, a movable plate and a grabbing glove, the movable plate is arranged on the inner side of the cage, the grabbing glove is arranged on the outer side of the cage, and the movable plate and the grabbing glove are arranged correspondingly with the grabbing opening.

[0012] Further, a glove placing box with an opening is arranged on the cage.

[0013] Further, a slide is arranged in the cage, and a pulley is arranged on the movable plate and in the slide.

[0014] Further, the control system comprises a main control module, a motor driving module and a display, the main control module is electrically connected with the stepping motor and the micro water pump through the motor driving module, and the main control module is also electrically connected with the display.

[0015] The utility model discloses the beneficial effect that:

[0016] 1. The feeding cage is connected with the material guide pipe below the material storage barrel, the material guide wheel is arranged in the material guide pipe, under the driving of the stepping motor, the material guide wheel rotates, the feed in the material storage barrel is conveyed to the material guide pipe and falls into the material box under the action of gravity, realizes automatic feeding, the material guide wheel is arranged with a plurality of material storage cavities, the amount of feed filled in each material storage cavity is fixed, and quantitative feeding can be realized.

[0017] 2. The micro water pump is arranged in the water storage barrel, and the working time of the micro water pump is controlled through the control system to achieve the purpose of quantitative water supply. DRAWINGS

[0018] Figure 1 It is the schematic view of the feeding cage;

[0019] Figure 2 It is the schematic view of the front side of the feeding cage;

[0020] Figure 3 It is the schematic view of the inside of the feeding cage;

[0021] Figure 4 It is the side view of the connection of the material guide wheel and the stepping motor;

[0022] Figure 5 It is the front view of the material guide wheel and the material guide pipe;

[0023] Figure 6 It is the schematic view of the material guide wheel and the elastic sheet.

[0024] Reference numeral: 1, cage; 2, material box; 3, water box; 4, material storage barrel; 5, water storage barrel; 6, material guide pipe; 7, material guide wheel; 8, stepping motor; 9, micro water pump; 10, water guide pipe; 11, baffle; 12, material storage cavity; 13, elastic sheet; 14, grabbing opening; 15, movable plate; 16, glove placing box; 17, slide. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the following will be further described in detail in combination with embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only a part of the embodiments of the utility model, but not all the embodiments.

[0026] Therefore, the following detailed description of the embodiments of the utility model provided is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] It should be noted that the relationship terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0028] The features and performances of the utility model will be further described in detail in combination with embodiments and drawings.

[0029] An automatic feeding cage for experimental mice, like Figures 1-6As shown, including cage 1, the inside of cage 1 is provided with the box 2 and water box 3, box 2 and water box 3 card set in cage 1, convenient to take down for cleaning; Cage 1 is provided with storage barrel 4 and water storage barrel 5 outside, the lower part of storage barrel 4 is connected with guide pipe 6, the free end of guide pipe 6 is arranged on the upper part of the box 2, guide wheel 7 is arranged in guide pipe 6, guide wheel 7 is hinged with guide pipe 6, guide wheel 7 can rotate relative to guide pipe 6, optimally, arc part is arranged on guide pipe 6, guide wheel 7 is arranged in circular, guide wheel 7 is arranged in arc part and is in close contact with the arc part. Optimally, at least four baffles 11 are arranged in guide wheel 7, baffles 11 divide guide wheel 7 into four storage cavities 12 evenly, the linear opening size of storage cavity 12 is equal to or greater than the diameter of guide pipe 6, so that only one storage cavity 12 in guide wheel 7 falls into box 2 when guide wheel 7 rotates once. Optimally, the edge of baffle 11 is provided with elastic sheet 13, elastic sheet 13 is connected with baffle 11 through torsional spring, elastic sheet 13 is a thin piece of metal with certain deformability, when there is no pressure, elastic sheet 13 is in the same plane with baffle 11 under the action of torsional spring, when guide wheel 7 rotates to contact the edge of guide pipe 6, elastic sheet 13 rotates relative to baffle 11 under the extrusion of guide pipe 6, and is stored in storage cavity 12; When one of the elastic sheets 13 is released from the arc part of the guide pipe 6, the elastic sheet 13 returns to the same plane with the baffle 11 under the action of the torsional spring. At this time, the elastic sheet 13 extends into the storage barrel 4 and contacts the feed in the storage barrel 4, which stirs the feed to prevent the feed from clumping into blocks and falling into the storage cavity 12.

[0030] The outer part of guide pipe 6 is provided with step motor 8, step motor 8 is fixedly connected with guide pipe 6, guide wheel 7 is connected with the rotating shaft of step motor 8, guide wheel 7 is driven to rotate through step motor 8, thereby realizing the purpose of conveying the feed in storage barrel 4 into box 2, realizing automatic feeding; Micro water pump 9 is arranged in water storage barrel 5, guide pipe 10 is connected with micro water pump 9, the free end of guide pipe 10 is arranged on the upper part of water box 3, water in water storage barrel 5 is conveyed into water box 3 through micro water pump 9, realizing automatic water supply;

[0031] It also includes a control system, step motor 8 and micro water pump 9 are electrically connected with the control system, optimally, the control system includes a main control module, a motor drive module and a display, the main control module is electrically connected with step motor 8 and micro water pump 9 through the motor drive module, and the main control module is also electrically connected with the display; The main control module includes a single-chip microcomputer controller, when in use, the operator sets the feeding time, the rotating angle of step motor 8 and the working time of micro water pump 9 on the display, and then drives step motor 8 and micro water pump 9 to feed and water on time under the control of the single-chip microcomputer controller through the drive module, realizing timed and quantitative feeding.

[0032] Optimally, the cage 1 is provided with a grabbing opening 14, a movable plate 15 and a grabbing glove, the movable plate 15 is arranged on the inner side of the cage 1, and the cage 1 is provided with a slide 17 inside, the movable plate 15 is provided with a pulley, the pulley is arranged in the slide 17, and the movable plate 15 can slide up and down in the slide 17 to open and close the grabbing opening 14; the grabbing glove is arranged on the outer side of the cage 1, and the movable plate 15 and the grabbing glove are arranged correspondingly with the grabbing opening 14, the sleeve opening of the grabbing glove is arranged at the edge of the grabbing opening 14, the grabbing glove is fixedly connected with the cage 1, and the sleeve of the grabbing glove is relatively long; when the experimenter mouse needs to be grabbed, the operator can insert the hand into the grabbing glove, slide the movable plate 15 upward, and extend into the cage 1 through the grabbing opening 14 to grab the experimenter mouse, and when the experimenter mouse is fixed, the experimenter mouse can be grabbed by the other hand, so that the harm to the experimenter in the process of grabbing the experimenter mouse is reduced; the grabbing glove is thicker than the common experimenter glove, can prevent the experimenter mouse from biting, and is fixed on the cage 1, so that the convenience of operation is improved, the gloves that are not fixed are not randomly thrown and placed, and the operator is not inconvenient to take and use.

[0033] Optimally, the cage 1 is provided with a glove placing box 16 with an opening, when the experimenter mouse is grabbed, the hand of the operator and the grabbing glove are withdrawn from the inside of the cage 1 to the glove placing box 16, then the operator withdraws the hand from the grabbing glove 16, and leaves the grabbing glove in the glove placing box 16, so that the grabbing glove is stored and the cleanness is improved.

Claims

1. An automatic feeding cage for experimental mice, characterized in that, The cage (1) is internally provided with a material box (2) and a water box (3), and externally provided with a material storage barrel (4) and a water storage barrel (5), the lower part of the material storage barrel (4) is connected with a material guide pipe (6), the free end of the material guide pipe (6) is arranged on the upper part of the material box (2), the material guide pipe (6) is internally provided with a material guide wheel (7), the outer part of the material guide pipe (6) is provided with a stepping motor (8), the material guide wheel (7) is connected with the rotating shaft of the stepping motor (8); the water storage barrel (5) is internally provided with a micro water pump (9), the micro water pump (9) is connected with a water guide pipe (10), the free end of the water guide pipe (10) is arranged on the upper part of the water box (3); It also includes a control system, the stepping motor (8) and the micro water pump (9) are electrically connected with the control system.

2. The automatic feeding cage for experimental mice according to claim 1, wherein An arc part is arranged on the material guide pipe (6), the material guide wheel (7) is circular, and the material guide wheel (7) is arranged in the arc part and tightly contacts with the arc part.

3. The automatic feeding cage for experimental mice according to claim 2, wherein At least four baffles (11) are arranged in the material guide wheel (7), the baffles (11) uniformly divide the material guide wheel (7) into four material storage cavities (12), and the linear opening size of the material storage cavities (12) is equal to or greater than the diameter of the material guide pipe (6).

4. The automatic feeding cage for experimental mouse according to claim 3, wherein, An elastic sheet (13) is arranged on the edge of the baffle (11), and the elastic sheet (13) is torsionally connected with the baffle (11).

5. The automatic feeding cage for experimental mouse according to claim 1, wherein, A grabbing opening (14), a movable plate (15) and a grabbing glove are arranged on the side of the cage (1), the movable plate (15) is arranged on the inner side of the cage (1), the grabbing glove is arranged on the outer side of the cage (1), and the movable plate (15) and the grabbing glove are arranged corresponding to the grabbing opening (14).

6. The automatic feeding cage for experimental mice according to claim 5, wherein A glove placing box (16) with an opening is arranged on the cage (1).

7. The automatic feeding cage for experimental mouse according to claim 5, wherein, A slide (17) is arranged in the cage (1), a pulley is arranged on the movable plate (15), and the pulley is arranged in the slide (17).

8. The automatic feeding cage for experimental mouse according to claim 1, wherein, The control system includes a main control module, a motor driving module and a display, the main control module is electrically connected with the stepping motor (8) and the micro water pump (9) through the motor driving module, and the main control module is also electrically connected with the display.