CN220441575U

CN220441575U - Automatic feeding laboratory rearing cage

Info

Publication number: CN220441575U
Application number: CN202322292612.XU
Authority: CN
Inventors: 牛慧侠; 楼晓明; 王晓峰; 屠鹏程; 伍立志
Original assignee: Zhejiang Center for Disease Control and Prevention
Current assignee: Zhejiang Center for Disease Control and Prevention
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-02-06
Anticipated expiration: 2033-08-24

Abstract

The utility model relates to the field of laboratory animal raising houses, in particular to an automatic feeding laboratory raising cage. The automatic feeding laboratory feeder comprises a feeder body, wherein one side of the feeder body is concaved inwards to form a feeding groove, the feeding surface of the feeding groove is hollowed and communicated with the inside of the feeder and the feeding groove, and a movable feeding device is arranged in the feeding groove; the feeding device comprises a base and a driving mechanism for driving the base to move, a food box for containing food is detachably arranged on the base, a supporting surface is arranged at the bottom of the feeding groove, a guide rail is arranged on the supporting surface, the base is arranged on the guide rail in a sliding mode, a weighing device is arranged on the base and used for measuring the weight of the food box, the driving mechanism comprises a driving motor arranged on a feeding cage body, the driving motor drives a crank slider structure to drive the base to reserve and drive the food box to be close to or far away from the feeding surface, an output shaft of the driving motor is connected with a crank, and the other end of the connecting rod is hinged to the base.

Description

Automatic feeding laboratory rearing cage

Technical Field

The utility model relates to the field of laboratory animal raising houses, in particular to an automatic feeding laboratory raising cage.

Background

Laboratory mice are fed in large quantities in biological laboratories for research. And the feeding of experimental animals requires a clear or source-clear genetic background. Precise control of their feeding will be achieved during the study. This requires frequent past feeding and removal of food during the fasted phase. The taken food needs to be weighed, recorded and stored respectively according to the corresponding relation of the rearing cage, and is not miscible. Therefore, a large amount of storage space is needed, and the feed confusion of different rearing cages is easy to cause, so that the accuracy of experimental results is affected. Much effort is required to distinguish between establishing correspondence.

The circadian pattern of mice is exactly the opposite of humans, they are accustomed to daytime and night-time, so that manual control of restricted feeding often requires early or late sleep when such experiments are performed, and at the same time, the mice must enter the animal house several times a day, greatly increasing the burden on researchers.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the automatic feeding laboratory feeding cage which can automatically adjust feeding time and feeding amount, and a worker only needs to set the feeding amount and feeding time after adding food, so that the worker does not need to repeatedly take and put food in a feeding area of the feeding laboratory feeding cage.

In order to achieve the purpose of automatic feeding of a feeding cage, the utility model provides an automatic feeding laboratory feeding cage which comprises a feeding cage body, wherein one side of the feeding cage body is concaved inwards to form a feeding groove, and the feeding surface of the feeding groove is hollowed out to be communicated with the inside of the feeding cage and the feeding groove; the feeding device comprises a base and a driving mechanism for driving the base to move, a food box for containing food is detachably arranged on the base, a supporting surface is arranged at the bottom of the feeding groove, a guide rail is arranged on the supporting surface, the base is arranged on the guide rail in a sliding way, a weighing device for measuring the weight of the food box is arranged on the base,

the driving mechanism comprises a driving motor arranged on the rearing cage body, the driving motor drives the crank block structure to drive the base to preset and drive the food box to be close to or far away from the feeding surface, an output shaft of the driving motor is connected with a crank, the tail end of the crank is connected with a connecting rod, and the other end of the connecting rod is hinged on the base.

Preferably, the driving mechanism further comprises a controller and a setting interface, the controller is respectively and electrically connected with the weighing device and the setting interface, and the controller controls the driving motor to rotate.

Preferably, the controller is connected with a clock module.

Preferably, the crank slider mechanism is provided with trigger switches at the nearest point and the farthest point of the crank respectively, and the trigger switches are electrically connected with the controller.

Preferably, the food box is in a V shape with a big upper part and a small lower part, and one side of the food box close to the feeding surface is also hollowed out.

Preferably, the feeding groove is divided into a feeding area and a feeding area, and the feeding area are respectively provided with a separate feeding device.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a perspective view of one embodiment of the present utility model;

fig. 2 is a schematic view of the structure of a portion of a feeding device according to one embodiment of the present utility model.

Description of the reference numerals

1-a rearing cage body;

2-feeding trough, 2 a-feeding face, 2 b-supporting face;

3-a guide rail;

4-feeding device, 4 a-base, 4 b-actuating mechanism, 4b 1-driving motor, 4b 2-crank, 4b 3-connecting rod, 4 c-food box.

Detailed Description

The following describes specific embodiments of the present utility model in detail. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper and lower" are used to generally refer to orientations in the assembled state of use. "inner and outer" refer to the inner and outer relative to the contour of the components themselves.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In order to solve the problem that the traditional laboratory rearing cages in the background art part can only manually adjust the food ration and feeding time of mice. The present utility model provides an automatic feeding laboratory feeder cage as shown in figure 1.

The automatic feeding laboratory feeder cage comprises a feeder cage body 1, wherein one side of the feeder cage body 1 is concaved inwards to form a feeding groove 2, the feeding surface 2a of the feeding groove 2 is hollowed and communicated with the inside of the feeder cage and the feeding groove 2, and a movable feeding device 4 is arranged in the feeding groove 2; the feeding device 4 comprises a base 4a and a driving mechanism 4b for driving the base 4a to move, a food box 4c for containing food is detachably arranged on the base 4a, a supporting surface 2b is arranged at the bottom of the feeding groove 2, a guide rail 3 is arranged on the supporting surface 2b, the base 4a is slidably arranged on the guide rail 3, a weighing device is arranged on the base 4a and used for measuring the weight of the food box 4c, the driving mechanism 4b comprises a driving motor 4b1 arranged on the feeding cage body 1, the driving motor 4b1 drives a crank 4b2 to drive the base 4a to be preset and drive the food box 4c to be close to or far away from the feeding surface 2a, an output shaft of the driving motor 4b1 is connected with a crank 4b2, the tail end of the crank 4b2 is connected with a connecting rod 4b3, and the other end of the connecting rod 4b3 is hinged on the base 4 a. The rearing cage body 1 comprises a cage, animals are reared in the cage, and the top of the cage is provided with a cover which can be opened and closed to take and put the animals. The bottom of the cage is provided with supporting legs or a base.

When the food box 4c moves inward and the inner side surface of the feeding trough 2, that is, the feeding surface 2a approaches, the experimental white mice in the cage can eat. The weighing device on the base 4a will then measure the feeding volume of the white mice. When the set value is reached, the driving motor 4b1 can be rotated to drive the base 4a to be far away from the feeding surface 2a through the crank 4b2 sliding block mechanism. The feeding surface 2a is provided with a metal net for preventing the white rats from escaping. Therefore, when the food box 4c and the feeding surface 2a are separated by about 2cm-5cm, the white rats can be prevented from reaching the food box 4c, and the white rats can be allowed to eat. And then re-driving the food box 4c closer to the feeding surface 2a when needed again according to the set time.

Specifically, the driving mechanism 4b further comprises a controller and a setting interface, the controller is respectively and electrically connected with the weighing device and the setting interface, and the controller controls the driving motor 4b1 to rotate. The operation section is a screen with a plurality of input keys or touch controls, and is used for setting the feeding amount, the feeding interval time and the approximate time of single feeding. The controller is therefore connected to a clock module.

The crank 4b2 slider mechanism is provided with trigger switches at the closest point and the farthest point of the crank 4b2, respectively, which are electrically connected with the controller. When a particular trigger switch is triggered, it is indicated that the food box 4c has moved to the closest or furthest point from insomnia.

The food box 4c is in a V shape with a big top and a small bottom, and one side of the food box 4c close to the feeding surface 2a is hollowed out. And food box 4c and base 4a can dismantle the connection, set up the buckle above the base 4a, food box 4c joint is on base 4 a.

Preferably, the feeding groove 2 is divided into a feeding area and a water feeding area, and the feeding area and the water feeding area are respectively provided with a separate feeding device 4. The feeding device 4 in the water feeding area replaces the food cartridge 4c with a water bottle.

The preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. The automatic feeding laboratory rearing cage comprises a rearing cage body (1), wherein one side of the rearing cage body (1) is inwards concave to form a feeding groove (2), and a feeding surface (2 a) of the feeding groove (2) is hollowed and communicated with the inside of the rearing cage and the feeding groove (2), and is characterized in that a movable feeding device (4) is arranged in the feeding groove (2);

the feeding device (4) comprises a base (4 a) and a driving mechanism (4 b) for driving the base (4 a) to move, a food box (4 c) for containing food is detachably arranged on the base (4 a), a supporting surface (2 b) is arranged at the bottom of the feeding groove (2), a guide rail (3) is arranged on the supporting surface (2 b), the base (4 a) is slidably arranged on the guide rail (3), a weighing device for measuring the weight of the food box (4 c) is arranged on the base (4 a),

the driving mechanism (4 b) comprises a driving motor (4 b 1) arranged on the rearing cage body (1), the driving motor (4 b 1) drives a crank (4 b 2) sliding block structure to drive a base (4 a) to be preset and drive a food box (4 c) to be close to or far away from the feeding surface (2 a), an output shaft of the driving motor (4 b 1) is connected with the crank (4 b 2), the tail end of the crank (4 b 2) is connected with a connecting rod (4 b 3), and the other end of the connecting rod (4 b 3) is hinged to the base (4 a).

2. Automatic feeding laboratory feeder according to claim 1, characterized in that the drive mechanism (4 b) further comprises a controller and a setting interface, the controller being electrically connected to the weighing device and the setting interface, respectively, and the controller controlling the rotation of the drive motor (4 b 1).

3. The automatic feeding laboratory feeder of claim 2, wherein said controller is connected to a clock module.

4. Automatic feeding laboratory feeder according to claim 2, characterized in that the crank (4 b 2) slide mechanism is provided with trigger switches at the closest and the furthest point of the crank (4 b 2), respectively, which trigger switches are electrically connected to the controller.

5. The automatic feeding laboratory rearing cage according to claim 1, characterized in that the food box (4 c) is V-shaped with a large top and a small bottom, and the side of the food box (4 c) close to the feeding surface (2 a) is hollowed out.

6. Automatic feeding laboratory feeder according to claim 1, characterized in that the feeding trough (2) is divided into a feeding zone and a water feeding zone, which are each provided with separate feeding means (4).