Intercepting structure and mouse cage

By designing fixed, rotating, and flexible components in the interception structure, the problem of the cage cover not being able to completely block the view was solved, enabling flexible adjustment of the interception area, reducing mouse escape and stress response, and improving experimental efficiency.

CN223681720UActive Publication Date: 2025-12-19NANJING UNIV OF TRADITIONAL CHINESE MEDICINE
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Patent Information

Application Number
CN202422754425.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-12-19
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

The cage lid could not be extended to completely cover the top of the enclosed frame inside the cage, causing mice to escape through the gaps and increasing the difficulty of the experiment.

Method used

Design an interception structure including a fixed component, a rotating component, an adjusting component, and a flexible component. The length of the rotating component is changed by the adjusting component, and the space is filled by the flexible component to achieve adjustment of the interception area.

Benefits of technology

Effective occlusion of the interception area reduces mouse escape, decreases stress response, and improves the smoothness of experimental procedures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an intercepting structure and a mouse cage, and relates to the technical field of mouse cages, the intercepting structure comprises a cage body, a mounting frame, an intercepting assembly arranged at the bottom of the mounting frame, a connecting assembly arranged at the top of the mounting frame, and a front baffle plate, a side plate, a rear baffle plate and a bottom plate which are arranged at the front end, two sides, the rear end and the bottom of the mounting frame; the bearing unit comprises a connecting piece arranged on the front baffle and a bearing frame arranged on one side of the connecting piece. The mouse cage has the advantages that the bearing frame is additionally arranged in the mouse cage, the opening mode of the cage cover can be changed, the length of the rotating piece is increased, the closed space is formed between the cage cover and the bearing frame, a mouse is stuffed into the closed space, the mouse can be exposed in the familiar mouse cage environment and can firmly grasp the bearing frame, the fear emotion of the mouse can be weakened, and the mouse cage is more attractive. And subsequent defects caused by stress are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a mouse cage technical field, especially an intercept structure and mouse cage. BACKGROUND

[0002] Tail vein injection is one of the basic operations of pharmacology experiment, in the actual experiment operation process, all are in the setting of a closed space or semi-closed space outside the mouse cage, and the mouse is put into the space to operate, and the mouse is easy to cause the mouse stress in the strange environment, which increases the difficulty of subsequent experiment operation, if the closed frame for placing the mouse is placed in the mouse cage, the cage cover can be bent, but cannot be extended to form complete shielding on the top of the closed frame, which will cause the mouse to run out from the gap. UTILITARY MODEL CONTENT

[0003] In view of the above prior art problems, the utility model is provided.

[0004] The utility model aims at providing an intercept structure, which aims at solving the problem that the cage cover cannot be extended and cannot form complete shielding with the top of the closed frame in the cage.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: an intercept structure, comprising, an intercept unit, comprising a fixing part, a rotating part rotatably arranged on one side of the fixing part, an adjusting assembly arranged on the rotating part, and a flexible part arranged between the fixing part and the rotating part.

[0006] As a preferred scheme of the utility model intercept structure, wherein: the adjusting assembly comprises a fixed shell, an extension rod slidingly arranged in the inner cavity of the fixed shell, a spring arranged in the inner cavity of the fixed shell and one end of the extension rod, and a positioning part and a limiting part arranged on the fixed shell and the extension rod.

[0007] As a preferred scheme of the utility model intercept structure, wherein: the positioning part comprises a receiving groove vertically arranged on the extension rod, a positioning hole arranged on the fixed shell and matched with the receiving groove, a positioning pin slidingly arranged on the inner wall of the receiving groove and the positioning hole, and an elastic part arranged between the extension rod and the positioning pin.

[0008] As a preferred scheme of the utility model intercept structure, wherein: the elastic part comprises a clamping groove arranged on the outer wall of the positioning pin, and an elastic sheet arranged on the outer wall of the extension rod.

[0009] The top end of the elastic sheet extends into the clamping groove.

[0010] As a preferred scheme of the utility model intercept structure, wherein: the limiting piece includes the fixed ring of setting in the fixed shell inner chamber, the limiting slot of opening on the extension rod, and the limiting block of setting in the fixed ring inner chamber and with the limiting slot is matched.

[0011] As a preferred scheme of the utility model intercept structure, wherein: the flexible piece is specifically flexible iron wire net.

[0012] The utility model intercept structure's beneficial effect is: through increasing the adjusting assembly on the rotating arm of rotating piece, can change rotating piece length, and increases the flexible piece between rotating piece and fixed piece, and the flexible piece can fill up the space between both, realizes to the intercept process, when intercept area changes, can adjust intercept structure according to the change of intercept area.

[0013] The utility model aims at providing a mouse cage, which aims to solve the problem that mice cause stress in tail vein injection in unfamiliar environment and affect experimental operation.

[0014] To solve the above technical problem, the utility model provides the following technical scheme: a mouse cage, comprising, cage body, including installation frame, intercepting assembly arranged at the bottom of the installation frame, connecting assembly arranged at the top of the installation frame, and front baffle, side plate, rear baffle and bottom plate arranged at the front end, both sides and rear end of the installation frame.

[0015] The bearing unit comprises a connecting piece arranged on the front baffle and a bearing frame arranged on one side of the connecting piece.

[0016] The fixed piece is fixedly connected with the installation frame through the connecting assembly, the rotating piece is provided with a through hole, the through hole is movably connected with a closing cover, and one side of the rotating piece is provided with a clamping piece.

[0017] As a preferred scheme of the utility model mouse cage, wherein: the front baffle includes a baffle and a connecting wire mesh.

[0018] The connecting piece comprises a connecting cap and a slot arranged on one side of the connecting cap and matched with the connecting wire mesh.

[0019] As a preferred scheme of the utility model mouse cage, wherein: the connecting assembly comprises a connecting lug arranged on the inner side of the top of the installation frame and a bolt threadedly arranged on the connecting lug.

[0020] The intercepting assembly comprises a positioning column arranged at each inflection point of the installation frame and an intercepting plate rotatably arranged on the outer wall of the positioning column.

[0021] As a preferred scheme of the utility model squirrel cage, wherein: the clamping piece includes the elastic plate that is slidably arranged at one side of the rotating piece, and the clamping plate that is arranged outside the elastic plate.

[0022] The utility model squirrel cage has the beneficial effect that: by adding the bearing frame in the squirrel cage, the opening mode of the cage cover can be changed, and the length of the rotating piece is increased, the closed space is formed between the cage cover and the bearing frame, the mouse is put into the sealed space, the mouse will be exposed to the familiar squirrel cage environment, will firmly grasp the bearing frame, and it is beneficial to weaken the fear emotion and reduce the subsequent disadvantages caused by stress. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be briefly introduced the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0024] Figure 1 It is the structural diagram of the intercepting structure.

[0025] Figure 2 It is the structural section view of the adjusting assembly.

[0026] Figure 3 It is the structural diagram of the squirrel cage.

[0027] Figure 4 It is the structural diagram of the cage body.

[0028] Figure 5 It is the structural diagram of the bearing unit.

[0029] Figure 6 It is the structural bottom view of the cage body. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail in the following with the drawings of the specification.

[0031] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore, the utility model is not limited by the specific embodiments disclosed below.

[0032] Secondly, the "one embodiment" or "embodiment" referred to herein is intended to mean a specific feature, structure, characteristic, or combination of features and characteristics described herein that is included in at least one implementation of the present application. The various appearances of "in one embodiment" or "in an embodiment" in the specification are not necessarily all referring to the same embodiment.

[0033] Embodiment 1

[0034] With reference to Figure 1 Figure 2 For the first embodiment of the present application, the embodiment provides an intercepting structure, comprising an intercepting unit 100, the intercepting unit 100 comprising a fixing member 101, a rotating member 102 rotatably arranged on one side of the fixing member 101, an adjusting assembly 103 arranged on the rotating member 102, and a flexible member 104 arranged between the fixing member 101 and the rotating member 102.

[0035] It should be noted that the intercepting unit 100 is composed of two parts of the fixing member 101 and the rotating member 102, the rotating member 102 is rotatably connected on the fixing member 101, the adjusting assembly 103 is arranged on the rotating member 102, specifically arranged on the rotating arm of the rotating member 102, and the flexible member 104 is arranged between the fixing member 101 and the rotating member 102, the flexible member 104 can shield the bending area when the rotating member 102 rotates, and the flexible member 104 is specifically a flexible iron wire mesh.

[0036] Further, the adjusting assembly 103 comprises a fixed shell 103a, an extension rod 103b slidingly arranged in the inner cavity of the fixed shell 103a, a spring 103c arranged in the inner cavity of the fixed shell 103a and one end of the extension rod 103b, and a positioning member 103d and a limiting member 103e arranged on the fixed shell 103a and the extension rod 103b.

[0037] It should be noted that the adjusting assembly 103 comprises the fixed shell 103a and the extension rod 103b mounted on the rotating arm of the rotating member 102, the extension rod 103b and the fixed shell 103a are slidingly connected, and the spring 103c is arranged in the inner cavity of the fixed shell 103a and one end of the extension rod 103b.

[0038] Further, the positioning member 103d comprises a receiving groove 103d-1 vertically arranged on the extension rod 103b, a positioning hole 103d-2 arranged on the fixed shell 103a and matched with the receiving groove 103d-1, a positioning pin 103d-3 slidingly arranged on the inner walls of the receiving groove 103d-1 and the positioning hole 103d-2, and an elastic member 103d-4 arranged between the extension rod 103b and the positioning pin 103d-3.

[0039] ​It should be noted that the extension rod 103b is vertically provided with a receiving groove 103d-1, the outer wall of the fixed shell 103a is provided with a positioning hole 103d-2 located directly above the receiving groove 103d-1, and the receiving groove 103d-1 is slidably connected with a positioning pin 103d-3, and in the normal state, the positioning pin 103d-3 extends out of the positioning hole 103d-2.

[0040] Further, the elastic member 103d-4 includes a clamping groove 103d-4a provided on the outer wall of the positioning pin 103d-3, and an elastic piece 103d-4b provided on the outer wall of the extension rod 103b.

[0041] The top end of the elastic piece 103d-4b extends into the clamping groove 103d-4a.

[0042] It should be noted that the clamping groove 103d-4a is provided on the side surface of the positioning pin 103d-3, the elastic piece 103d-4b is fixedly installed on the outer wall of the extension rod 103b, and the top end of the elastic piece 103d-4a extends into the clamping groove 103d-4a, and in the normal state, the top end of the elastic piece 103d-4a is lifted to the highest point of the positioning pin 103d-3.

[0043] Further, the limiting member 103e includes a fixed ring 103e-1 provided in the inner cavity of the fixed shell 103a, a limiting groove 103e-2 provided on the extension rod 103b, and a limiting block 103e-3 provided in the inner cavity of the fixed ring 103e-1 and matched with the limiting groove 103e-2.

[0044] It should be noted that the inner cavity of the fixed shell 103a is fixedly connected with the fixed ring 103e-1, the inner wall of the fixed ring 103e-1 is fixedly connected with the limiting block 103e-3, and the limiting groove 103e-2 is provided on the extension rod 103b, and when the extension rod 103b slides in the fixed shell 103a, the limiting block 103e-3 and the limiting groove 103e-2 can prevent the extension rod 103b from rotating, prevent the position of the positioning pin 103d-3 and the positioning groove 103d-2 from deviating, and cause the state to change, so that the positioning pin 103d-3 cannot be inserted into the positioning groove 103d-2.

[0045] In use, the fixed member 101 is installed in the interception area, and then the positioning pin 103d-3 is pressed into the fixed shell 103a, and at the moment when the positioning pin 103d-3 enters the fixed shell 103a, the spring 103c extrudes the extension rod 103b outward, the extension rod 103b extends outward, and the flexible member 104 is pulled to expand and supplement the expansion area, and then the rotating member 102 is rotated to intercept the interception area, thereby expanding the interception area.

[0046] By pressing the rotating piece 102, the extension rod 103b is driven to retract into the fixed shell 103a, and the spring 103c is compressed. During the retraction of the extension rod 103b, the positioning pin 103d-3 is ejected from the positioning hole 103d-2 under the elastic force of the elastic sheet 103d-4b when reaching the positioning hole 103d-2, thereby fixing the extension rod 103b at the current position and realizing the retraction of the interception area

[0047] In summary, by adding the adjusting assembly 103 to the rotating arm of the rotating piece 102, the length of the rotating piece 102 can be changed, and the flexible piece 104 is added between the rotating piece 102 and the fixed piece 101. The flexible piece 104 can fill the space between the two, and the interception structure can be adjusted according to the change of the interception area during the interception process.

[0048] Embodiment 2

[0049] Reference Figure 1 - Figure 2 The second embodiment of the present application further provides an interception structure, which comprises an interception unit 100, a fixed piece 101, a rotating piece 102 rotatably arranged on one side of the fixed piece 101, an adjusting assembly 103 arranged on the rotating piece 102, and a flexible piece 104 arranged between the fixed piece 101 and the rotating piece 102.

[0050] It should be noted that the interception unit 100 is composed of the fixed piece 101 and the rotating piece 102, the rotating piece 102 is rotatably connected to the fixed piece 101, the adjusting assembly 103 is arranged on the rotating piece 102, specifically on the rotating arm of the rotating piece 102, and the flexible piece 104 is arranged between the fixed piece 101 and the rotating piece 102. The flexible piece 104 can shield the bending area when the rotating piece 102 rotates, and the flexible piece 104 is specifically a flexible iron wire mesh.

[0051] The fixed piece 101 and the rotating piece 102 are specifically iron wire meshes.

[0052] In use, the fixed piece 101 is installed on the interception surface of the interception area, and the interception area is intercepted by rotating the rotating piece 102. At this time, the interception object of the interception area is liquid, and the impurities in the liquid in the interception area can be filtered by the iron wire mesh. At the same time, the adjusting assembly 103 increases the interception length, so that the iron wire mesh can be placed inclined in the interception area to increase the interception area under the condition that the length of the interception area does not change.

[0053] In summary, when the fixed piece 101 and the rotating piece 102 are specifically iron wire meshes, the flowing liquid can be intercepted, and the impurities in the liquid can be filtered.

[0054] Embodiment 3

[0055] Referring to Figure 1 - Figure 2 For the third embodiment of the utility model, the embodiment further provides an intercepting structure, comprising, an intercepting unit 100, comprising a fixing part 101, a rotating part 102 rotatably arranged on one side of the fixing part 101, an adjusting assembly 103 arranged on the rotating part 102, and a flexible part 104 arranged between the fixing part 101 and the rotating part 102.

[0056] It should be noted that the intercepting unit 100 is composed of the fixing part 101 and the rotating part 102, the rotating part 102 is rotatably connected on the fixing part 101, the adjusting assembly 103 is arranged on the rotating part 102, specifically on the rotating arm of the rotating part 102, and the flexible part 104 is arranged between the fixing part 101 and the rotating part 102, the flexible part 104 can shield the bending area when the rotating part 102 rotates, and the flexible part 104 is specifically a flexible iron mesh.

[0057] The fixing part 101 and the rotating part 102 are specifically intercepting plates.

[0058] In use, the fixing part 101 is installed on the intercepting surface of the intercepting area, and the intercepting area is intercepted by rotating the rotating part 102, at this time, the intercepted object in the intercepting area is a solid, the solid in the intercepting area is intercepted by the intercepting plate, the solid in the intercepting area can be stacked, and the intercepting plate can support and intercept the solid in the intercepting area.

[0059] In summary, when the fixing part 101 and the rotating part 102 are specifically intercepting plates, the solid in the intercepting area can be stacked, and the outer side of the stacked solid can be supported and intercepted.

[0060] Embodiment 4

[0061] Referring to Figure 1 - Figure 6 For the fourth embodiment of the utility model, the embodiment provides a mouse cage, comprising, a cage body 200, comprising an installation frame 201, an intercepting assembly 206 arranged on the bottom of the installation frame 201, a connecting assembly 207 arranged on the top of the installation frame 201, and front baffles 202, side plates 203, rear baffles 204 and bottom plates 205 arranged on the front end, both sides and rear end of the installation frame 201;

[0062] The bearing unit 300 comprises a connecting piece 301 arranged on the front baffle 202 and a bearing frame 302 arranged on one side of the connecting piece 301.

[0063] The fixing part 101 is fixedly connected through the connecting assembly 207 and the mounting frame 201, the rotating part 102 is provided with a through hole 102a, the through hole 102a is movably inserted with a sealing cover 102b, and one side of the rotating part 102 is provided with a clamping part 102c.

[0064] It should be noted that the front, rear, left and right of the mounting frame 201 are fixedly connected with a front baffle 202, a side plate 203 and a rear baffle 204 respectively, the bottom of the mounting frame 201 is inserted with a bottom plate 205, the bottom plate 205 is fixedly arranged at the bottom of the mounting frame 201 through an intercepting assembly 206, the top of the mounting frame 201 is provided with an intercepting structure, which constitutes a closed space, the front baffle 202 is fixedly connected with a supporting frame 302 through a connecting part 301, the rotating part 102 is provided with a through hole 102a, and the through hole 102a is inserted with a sealing cover 102b.

[0065] Further, the front baffle 202 comprises a baffle 202a and a connecting wire mesh 202b.

[0066] The connecting part 301 comprises a connecting cap 301a and a slot 301b provided on one side of the connecting cap 301a and matched with the connecting wire mesh 202b.

[0067] It should be noted that the front baffle 202 is composed of the baffle 202a and the connecting wire mesh 202b, and the connecting cap 301a is connected with the supporting frame 302 by inserting the slot 301b into the connecting wire mesh 202b.

[0068] Further, the connecting assembly 207 comprises a connecting lug 207a arranged on the inner side of the top of the mounting frame 201 and a bolt 207b threadedly arranged on the connecting lug 207a.

[0069] The intercepting assembly 206 comprises a positioning column 206a arranged at each inflection point of the mounting frame 201 and an intercepting plate 206b rotatably arranged on the outer wall of the positioning column 206a.

[0070] It should be noted that the fixing part 101 is placed on the connecting lug 207a, the bolt 207b passes through the hole on the fixing part 101 and is screwed on the connecting lug 207a, the installation of the intercepting structure is realized, the intercepting plate 206b is rotated on the positioning column 206a, the intercepting plate 206b is staggered with the bottom plate 205, and the bottom plate 205 is taken off from the mounting frame 201 for cleaning.

[0071] Further, the clamping part 102c comprises a spring plate 102c-1 slidably arranged on one side of the rotating part 102 and a clamping plate 102c-2 arranged on the outer side of the spring plate 102c-1.

[0072] It should be noted that the two ends of the elastic plate 102c-1 can slide on the rotating piece 102, and the clamping plate 102c-2 is fixedly connected outside the elastic plate 102c-1, and the clamping plate 102c-2 is clamped on the inner side of the mounting frame 201.

[0073] In use, the clamping plate 102c-2 is pressed inward to separate the clamping plate 102c-2 from the mounting frame 201, the rotating piece 102 is rotated upward, the mouse to be tested is taken out from the cage 200, the rotating piece 102 is rotated inward to the cage 200, the rotating piece 102 is attached to the top of the supporting frame 302, then the closure cover 102b is pulled out, the mouse is inserted into the closed space formed by the supporting frame 302 and the rotating piece 102 through the through hole 102a, the mouse will grab the supporting frame 302 in a tense state, then the positioning pin 103d-3 is pressed, the rotating piece 102 is extended to drive the clamping plate 102c-2 to be pressed on the front baffle 202, the closed space is fixed, and the mouse tail is exposed outside the through hole 302, which is convenient for the experimenter to perform tail vein injection.

[0074] In summary, by adding the supporting frame 302 in the mouse cage, the opening mode of the cage cover can be changed, and the length of the rotating piece 102 is increased, the closed space is formed between the cage cover and the supporting frame 302, the mouse is inserted into the sealed space, the mouse is exposed to the familiar cage environment, and the mouse will firmly hold the supporting frame 302, which is conducive to weakening the fear emotion and reducing the subsequent disadvantages caused by stress.

[0075] Importantly, the above embodiments are only used to illustrate the technical solutions of the present application and are not limited, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. An interception structure, characterized in that: include, The interception unit (100) includes a fixing member (101), a rotating member (102) rotatably disposed on one side of the fixing member (101), an adjustment component (103) disposed on the rotating member (102), and a flexible member (104) disposed between the fixing member (101) and the rotating member (102).

2. The interception structure as described in claim 1, characterized in that: The adjustment assembly (103) includes a fixed shell (103a), an extension rod (103b) slidably disposed in the inner cavity of the fixed shell (103a), a spring (103c) disposed in the inner cavity of the fixed shell (103a) and at one end of the extension rod (103b), and a positioning member (103d) and a limiting member (103e) disposed on the fixed shell (103a) and the extension rod (103b).

3. The interception structure as described in claim 2, characterized in that: The positioning element (103d) includes a storage groove (103d-1) vertically opened on the extension rod (103b), a positioning hole (103d-2) opened on the fixed shell (103a) and adapted to the storage groove (103d-1), a positioning pin (103d-3) slidably disposed on the inner wall of the storage groove (103d-1) and the positioning hole (103d-2), and an elastic element (103d-4) disposed between the extension rod (103b) and the positioning pin (103d-3).

4. The interception structure as described in claim 3, characterized in that: The elastic element (103d-4) includes a slot (103d-4a) formed on the outer wall of one side of the positioning pin (103d-3), and an elastic piece (103d-4b) disposed on the outer wall of the extension rod (103b). The top of the elastic sheet (103d-4b) extends into the slot (103d-4a).

5. The interception structure as described in claim 2, characterized in that: The limiting member (103e) includes a fixing ring (103e-1) disposed in the inner cavity of the fixing shell (103a), a limiting groove (103e-2) opened on the extension rod (103b), and a limiting block (103e-3) disposed in the inner cavity of the fixing ring (103e-1) and adapted to the limiting groove (103e-2).

6. The interception structure as described in claim 1, characterized in that: The flexible component (104) is specifically a flexible wire mesh.

7. A rat cage, characterized in that: Includes the interception structure described in any one of claims 1 to 6, and: The cage (200) includes a mounting frame (201), an interception component (206) disposed at the bottom of the mounting frame (201), a connecting component (207) disposed at the top of the mounting frame (201), and a front baffle (202), a side plate (203), a rear baffle (204), and a bottom plate (205) disposed at the front end, sides, rear end, and bottom of the mounting frame (201). The receiving unit (300) includes a connector (301) disposed on the front baffle (202) and a receiving frame (302) disposed on one side of the connector (301); The fixing member (101) is fixedly connected to the mounting frame (201) by the connecting component (207). The rotating member (102) has a through hole (102a) and a sealing cover (102b) is movably inserted into the through hole (102a). A snap-fit ​​member (102c) is provided on one side of the rotating member (102).

8. The rat cage as described in claim 7, characterized in that: The front baffle (202) includes a baffle (202a) and a connecting wire mesh (202b); The connector (301) includes a connector cap (301a) and a slot (301b) formed on one side of the connector cap (301a) and adapted to the connector mesh (202b).

9. The rat cage as described in claim 7, characterized in that: The connecting assembly (207) includes a connecting lug (207a) disposed on the inner side of the top of the mounting frame (201), and a bolt (207b) threaded onto the connecting lug (207a); The interception component (206) includes positioning posts (206a) disposed at each inflection point of the mounting frame (201) and an interception plate (206b) rotatably disposed on the outer wall of the positioning posts (206a).

10. The rat cage as described in claim 7, characterized in that: The snap-fit ​​component (102c) includes a spring plate (102c-1) slidably disposed on one side of the rotating component (102), and a snap-fit ​​plate (102c-2) disposed on the outside of the spring plate (102c-1).