Experimental animal activity limiting device

Abstract

The utility model discloses an experimental animal activity limiting device which comprises a cage body used for storing an experimental animal, the periphery of the cage body is hollowed out, and a lifting handle is arranged at the top of the cage body; the adjusting plate is vertically arranged in the cage body, and the position of the adjusting plate can be adjusted to limit the activity space of the experimental animal; the positioning structures are arranged on the two sides of the inner wall of the cage body and the two sides of the adjusting plate and used for limiting the position of the adjusting plate, and the positioning structures are provided with multiple stages so that the adjusting plate can be limited to multiple stages of designated positions; the utility model relates to the technical field of animal cages. According to the activity limiting device for the experimental animal, the adjusting plate capable of adjusting the position in a sliding mode is arranged in the cage body and matched with the positioning structures on the two sides, the space for the experimental animal to move in the cage body can be adjusted, adjustment can be directly conducted outside through a push-pull handle, and the device cannot be attacked by the animal; and meanwhile, structures such as bolts are not required to be used for fixing in the space adjusting process, the external size is not changed, redundant space is not occupied, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of animal cages, in particular to an activity limiting device for experimental animals. Background Art

[0002] In modern society, the working mode of human beings has quietly changed. Intellectual workers need to work for several hours every day in a small area (office chairs, sofas, etc.). This sedentary behavior will have adverse effects on multiple organ systems of the human body and bring health risks. At present, many research teams at home and abroad have studied the effects of long-term sitting on the functions of various organs and related mechanisms. In such studies, various experimental animals are the most common research subjects.

[0003] In previous studies on exercise and long-term sitting, treadmills or rollers placed in cages were generally used to achieve passive or active movement of experimental animals. However, in most studies, the sedentary experimental group was designed to simply place the experimental animals in cages without rollers, and the experimental animals could still move freely to a certain extent in the cages. In some studies, the activities of experimental animals were completely restricted by suspension, limb fixation, etc., and the lower limbs and joints were completely free of force and inactive, which was inconsistent with human sedentary behavior. They were often used to construct disuse muscular atrophy, osteoporosis models or behavioral experiments, which may cause pathological changes in the joints of experimental animals in a short period of time, while causing great pain to the experimental animals and may cause psychological and mental abnormalities in the experimental animals. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an activity restriction device for experimental animals, which solves the above-mentioned problems.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an activity restriction device for experimental animals, comprising:

[0006] A cage body, which is used to store experimental animals and is hollowed out on all sides, and a lifting handle is provided on the top of the cage body;

[0007] An adjustment plate, which is vertically arranged in the cage and can be adjusted in position to limit the activity space of the experimental animals;

[0008] A positioning structure is arranged on both sides of the inner wall of the cage body and both sides of the adjustment plate to limit the position of the adjustment plate. The positioning structure is provided with multiple levels to limit the adjustment plate to multiple levels of specified positions;

[0009] The push-pull handles are fixed on both sides of the adjustment plate and penetrate the outside of the cage body, and are used to push the adjustment plate to move from the outside.

[0010] Preferably, the positioning structure includes:

[0011] Positioning blocks are buckled and fixed on both sides of the adjustment plate, and there are multiple positioning blocks distributed longitudinally;

[0012] The limiting plates are fixed on both sides of the inner wall of the cage body, the number of longitudinal rows of the limiting plates is consistent with the number of rows of the positioning blocks, and the limiting plates are evenly arranged in multiple rows in the horizontal direction and the gaps are greater than the width of the limiting plates;

[0013] The lower right corner of the positioning block and the upper left corner of the limiting plate are both arranged as inclined planes, so that when the positioning block is pushed to the right, the positioning block can pass over the limiting plate from above through the guidance of the inclined plane, and the limiting plate can limit the positioning block from moving to the left.

[0014] Preferably, both the front and rear sides of the cage body are provided with movable long grooves for the push-pull handle to move up, down, left and right.

[0015] Preferably, a hollow bottom plate is supported by a support block inside the cage and below the adjustment plate, a collection tray for receiving animal excrement and food residues is placed inside the cage and below the hollow bottom plate, and a through opening for taking and placing the collection tray is opened at the bottom left side of the cage.

[0016] Preferably, a cage door is hinged on the right side of the cage body via a hinge, and one end of the cage door away from the hinge is connected to the cage body via a latch.

[0017] Preferably, the latch comprises a socket fixed on the cage body, and a plug piece longitudinally slidably arranged on the cage door via a positioning column.

[0018] Beneficial Effects

[0019] The utility model provides an activity restriction device for experimental animals. Compared with the prior art, it has the following beneficial effects:

[0020] 1. The activity restriction device for experimental animals can adjust the space for experimental animals to move in the cage by arranging an adjustment plate that can slide and adjust the position in the cage, and cooperate with the positioning structures on both sides, and can be directly adjusted from the outside by pushing and pulling the handle, so that it will not be attacked by animals. At the same time, there is no need to use bolts or other structures for fixing during the space adjustment process, and its external size will not change, and it does not occupy extra space, which is easy to use; it is not only convenient for experimenters to try and select appropriate restriction conditions, and adjust the position of the partition at any time according to the number of experimental animals in the cage and their growth and development conditions, but also convenient for experimenters to record and quantitatively calculate the activity space of experimental animals, so as to reproduce experimental conditions and repeat experiments when necessary.

[0021] 2. The activity restriction device for experimental animals can easily push the adjustment plate to the right through the cooperation of the positioning block and the inclined surface on the limit plate. When it is pushed to the appropriate position, the limit plate and the positioning block are in vertical contact, so that the animal cannot push the adjustment plate to the left. When the adjustment plate needs to be moved to the left, it can be lifted and slid to the left. The operation is convenient and the trouble of manual fixation is omitted. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front perspective view of the utility model;

[0023] Figure 2 It is a left-side stereogram of the utility model;

[0024] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0025] Figure 4 It is a schematic diagram of the adjustment plate and positioning structure of the utility model;

[0026] Figure 5 It is a schematic diagram of the latch of the utility model.

[0027] In the figure: 1-cage body, 2-adjusting plate, 3-positioning structure, 31-positioning block, 32-limiting plate, 33-inclined surface, 4-push-pull handle, 5-hollow bottom plate, 6-collecting tray, 7-cage door, 8-latch, 81-insert sleeve, 82-positioning column, 83-insert sheet, 9-movable long slot. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The utility model provides two technical solutions:

[0030] Figure 1-Figure 3 and Figure 5 A first embodiment is shown: an activity restriction device for experimental animals, comprising:

[0031] The cage body 1 is used to store experimental animals and is hollowed out around to facilitate air flow. A lifting handle is provided on the top of the cage body 1. A cage door 7 is hinged on the right side of the cage body 1 through a hinge, and the end of the cage door 7 away from the hinge is connected to the cage body 1 through a latch 8. The latch 8 includes a plug sleeve 81 fixed on the cage body 1, and a plug piece 83 longitudinally slidably arranged on the cage door 7 through a positioning column 82. A hollow bottom plate 5 is supported by a support block inside the cage body 1 and below the adjustment plate 2. A collection tray 6 for receiving animal excrement and food residues is placed inside the cage body 1 and below the hollow bottom plate 5. Anti-slip pads can be added to the bottom of the collection tray 6 to increase friction so that it will not easily slide out during the movement of the cage body 1. A through hole for taking and placing the collection tray 6 is opened at the bottom of the left side of the cage body 1;

[0032] The adjusting plate 2 is vertically arranged in the cage 1 and can be adjusted to limit the activity space of the experimental animal. The gap between the top of the adjusting plate 2 and the top of the cage 1 is not enough to accommodate the experimental animal to pass through.

[0033] A positioning structure 3 is provided on both sides of the inner wall of the cage body 1 and both sides of the adjusting plate 2 to limit the position of the adjusting plate 2. The positioning structure 3 is provided with multiple levels to limit the adjusting plate 2 to multiple levels of specified positions;

[0034] The push-pull handle 4 is fixed on both sides of the adjustment plate 2 and penetrates the outside of the cage body 1, and is used to push the adjustment plate 2 to move from the outside.

[0035] By arranging an adjustment plate 2 that can slide and adjust the position in the cage body 1, in conjunction with the positioning structures 3 on both sides, the space for experimental animals to move in the cage body 1 can be adjusted, and the adjustment can be made directly from the outside through a push-pull handle 4, without being attacked by animals. At the same time, during the process of adjusting the space, there is no need to use bolts or other structures for fixing, and the size of the outside will not change, and no extra space will be occupied, which is convenient to use. It is not only convenient for experimenters to try and select appropriate restriction conditions, and adjust the position of the partition at any time according to the number of experimental animals in the cage and their growth and development conditions, but also convenient for experimenters to record and quantitatively calculate the activity space of experimental animals, so as to facilitate the reproduction of experimental conditions and repeat the experiment when necessary.

[0036] Figure 3-Figure 4 A second embodiment is shown, which is mainly different from the first embodiment in that the positioning structure 3 comprises:

[0037] Positioning blocks 31, which are buckled and fixed on both sides of the adjustment plate 2, and there are multiple positioning blocks 31 distributed longitudinally;

[0038] The limiting plates 32 are fixed on both sides of the inner wall of the cage body 1. The number of longitudinal rows of the limiting plates 32 is consistent with the number of rows of the positioning blocks 31. The limiting plates 32 are evenly arranged in multiple rows in the horizontal direction and the gaps are greater than the width of the limiting plates 32.

[0039] The lower right corner of the positioning block 31 and the upper left corner of the limiting plate 32 are both set as inclined surfaces 33, so that when the positioning block 31 is pushed to the right, the positioning block 31 can pass over the limiting plate 32 from above through the guidance of the inclined surface, and the limiting plate 32 can limit the positioning block 31 from moving to the left.

[0040] Both the front and rear sides of the cage body 1 are provided with movable long grooves 9 for the push-pull handle 4 to move up, down, left and right. Animal drinking fountains, feeding bowls, etc. can be hung on the movable long grooves 9. A camera can also be added in the isolated space that the animals in the cage cannot enter to monitor the activities of living experimental organisms. The limiting plate 32 can be set as a transparent plate for easy monitoring.

[0041] Through the cooperation of the positioning block 31 and the inclined surface on the limiting plate 32, the adjusting plate 2 can be easily pushed to the right. When it is pushed to the appropriate position, the limiting plate 32 and the positioning block 31 are in vertical contact, so that the animal cannot push the adjusting plate 2 to the left. When the adjusting plate 2 needs to be moved to the left, it can be lifted and slid to the left. The operation is convenient and the trouble of manual fixation is eliminated.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0043] When in use, pull the insert 83 upward to disengage it from the insert sleeve 81, then open the cage door 7 to put the animal in. If the animal's activity space needs to be reduced, hold the push-pull handle 4 and push the adjustment plate 2 to the right. At this time, the positioning block 31 and the inclined surface 33 of the limiting plate 32 contact each other, so that the positioning block 31 slides to the top of the adjustment plate 2, and then moves to the right to the right side of the adjustment plate 2 and falls down, so that the positioning block 31 is restricted between the two adjustment plates 2, thereby limiting the limiting plate 32.

[0044] The collecting tray 6 is periodically pulled out for cleaning and then pushed back in.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. 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 these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An activity restriction device for experimental animals, characterized in that: include: A cage body, which is used to store experimental animals and is hollowed out on all sides, and a lifting handle is provided on the top of the cage body; An adjustment plate, which is vertically arranged in the cage and can be adjusted in position to limit the activity space of the experimental animals; A positioning structure is arranged on both sides of the inner wall of the cage body and both sides of the adjustment plate to limit the position of the adjustment plate. The positioning structure is provided with multiple levels to limit the adjustment plate to multiple levels of specified positions; The push-pull handles are fixed on both sides of the adjustment plate and penetrate the outside of the cage body, and are used to push the adjustment plate to move from the outside.

2. The activity restriction device for experimental animals according to claim 1, characterized in that: The positioning structure comprises: Positioning blocks are buckled and fixed on both sides of the adjustment plate, and there are multiple positioning blocks distributed longitudinally; The limiting plates are fixed on both sides of the inner wall of the cage body, the number of longitudinal rows of the limiting plates is consistent with the number of rows of the positioning blocks, and the limiting plates are evenly arranged in multiple rows in the horizontal direction and the gaps are greater than the width of the limiting plates; The lower right corner of the positioning block and the upper left corner of the limiting plate are both arranged as inclined planes, so that when the positioning block is pushed to the right, the positioning block can pass over the limiting plate from above through the guidance of the inclined plane, and the limiting plate can limit the positioning block from moving to the left.

3. The activity restriction device for experimental animals according to claim 1, characterized in that: Both the front and rear sides of the cage body are provided with movable long grooves for the push-pull handle to move up, down, left and right.

4. An activity restriction device for experimental animals according to any one of claims 1 to 3, characterized in that: A hollow bottom plate is supported by a support block inside the cage and below the adjustment plate, a collection tray for receiving animal excrement and food residues is placed inside the cage and below the hollow bottom plate, and a through opening for taking in and placing the collection tray is opened at the bottom left side of the cage.

5. An activity restriction device for experimental animals according to any one of claims 1 to 3, characterized in that: A cage door is hinged on the right side of the cage body through a hinge, and one end of the cage door away from the hinge is connected to the cage body through a latch.

6. The activity restriction device for experimental animals according to claim 5, characterized in that: The latch comprises a plug sleeve fixed on the cage body and a plug piece longitudinally slidably arranged on the cage door through a positioning column.

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