CN114868661B

CN114868661B - Experimental animal behavior characteristic testing device

Info

Publication number: CN114868661B
Application number: CN202210294797.5A
Authority: CN
Inventors: 李强; 陈敏; 李成冲; 唐美玲; 张海丽; 刘得水; 徐春苗; 李敏
Original assignee: Qiqihar Medical University
Current assignee: Qiqihar Medical University
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2023-10-13
Anticipated expiration: 2042-03-24
Also published as: CN114868661A

Abstract

The invention relates to a testing device, in particular to a testing device for behavior characteristics of experimental animals. The invention aims to solve the technical problem of providing the experimental animal behavior characteristic testing device which can record the behaviors of animals and collect and treat the excreta of the animals. In order to solve the technical problems, the invention provides the experimental animal behavior characteristic testing device which comprises a base, a baffle frame, first guide rails, a sliding plate and the like, wherein the baffle frame is connected to the upper part of the base, the first guide rails for guiding are symmetrically arranged on the left inner side and the right inner side of the upper part of the baffle frame, and the sliding plate is arranged between the two first guide rails. The couple is hung the animal upside down, and the start-up cylinder shortens, increases the height that the animal was hung upside down, and then carries out the characteristic test to the action of animal under the different circumstances, and the action of animal can be long-time recorded to the camera, and the collection frame can collect the processing to the excrement of animal.

Description

Experimental animal behavior characteristic testing device

Technical Field

The invention relates to a testing device, in particular to a testing device for behavior characteristics of experimental animals.

Background

Animal behavior experiments are experiments for researching various behavior characteristics of animals by taking the animals as objects, wherein tail suspension experiments are relatively common animal experiments, in the process of carrying out the experiments, the tail parts of the animals need to be adhered to hooks through adhesive tapes, so that the animals are suspended and observed, and in order to keep the activity of the animals, most of the experiments cannot be used for anesthetizing the animals, so that the animals are easy to be frightened by urine when being stressed, the experimental environment is polluted, and excrement of the animals is not easy to clean.

According to patent grant publication No. CN209768537U, a mouse tail-hanging experimental device for a squirrel cage, which announces that the day is 20191213, comprises a squirrel cage, a steel grid, a free rotating rod and a feeding assembly, wherein the mouse tail-hanging experimental device for a squirrel cage is used for fixing the tail of an animal on a hanging ring through a steel wire rope, hanging and hanging down to build a stress depression model, and also can be used for rotating and moving along a thread relative to a fixing plate by rotating a height adjusting rod to perform height adjustment, so that the forelimbs of the animal are landed, the hindlimbs are hung in the air, the body and the horizontal surface form 30 degrees, and models such as hindlimb load-removing model, bone loss and the like are built, so that the animal can be tested.

According to the defects in the prior art, the experimental animal behavior characteristic testing device capable of recording the behaviors of animals and collecting and treating the excreta of the animals is designed.

Disclosure of Invention

The invention aims to overcome the defect that the prior art cannot record the animal behaviors and cannot collect the animal excreta, and the technical problem to be solved by the invention is to provide the experimental animal behavior characteristic test device capable of recording the animal behaviors and collecting and treating the animal excreta.

In order to solve the technical problems, the invention provides the experimental animal behavior characteristic testing device which comprises a base, a baffle frame, first guide rails, sliding plates, hooks, air cylinders, recording components and collecting components, wherein the upper part of the base is connected with the baffle frame, the left inner side and the right inner side of the upper part of the baffle frame are symmetrically provided with the first guide rails used for guiding, the sliding plates are arranged between the two first guide rails in a sliding mode, the middle side of the bottom of each sliding plate is connected with the hooks used for hanging animals, the air cylinders are arranged on the upper side of the baffle frame, the telescopic parts of the air cylinders penetrate through the baffle frame in a sliding mode and are connected with the sliding plates, the recording components used for recording animal behaviors are arranged on the baffle frame, and the collecting components used for collecting animal excreta are arranged on the base.

Preferably, the record subassembly is including arc guide rail, swing frame and camera, keeps off frame lower part left and right sides symmetry and is equipped with the arc guide rail that is used for the direction, and the slip type cover is equipped with the swing frame on the arc guide rail, is connected with the camera that is used for shooting the record between two swing frame upper portions.

Preferably, the collecting assembly comprises a collecting frame, a sponge frame cushion and a handle, wherein the collecting frame for collecting excrement is arranged on the upper portion of the base in a sliding mode, the sponge frame cushion for adsorbing excrement is placed on the collecting frame, and the handle is connected to the front side of the collecting frame.

Preferably, still including the background subassembly that is used for reinforcing visual effect, the background subassembly is including the second guide rail, the slider, the connecting rod, first swivel mount, first background board, the second swivel mount, the second background board, iron plate and magnet, base top rear side is connected with the second guide rail, second guide rail right part slip type cover is equipped with the slider, the slider upside is connected with the connecting rod, the pivoted cover is equipped with first swivel mount and the second swivel mount that set up around being respectively on the connecting rod, first swivel mount front side and second swivel mount rear side are connected with first background board and the second background board that is used for the background contrast respectively, the left portion of second background board and first background board all is connected with the iron plate, fender frame rear portion left and right sides symmetry is equipped with iron plate magnetism complex magnet.

Preferably, still including being used for assisting the subassembly of blocking of record, the subassembly is blocked including the elastic component, the connecting plate, the carriage, the wedge, reset spring, the push pedal, rotating plate and torsion spring, be connected with the elastic component between the arc guide rail of swing frame and homonymy, swing frame upper portion inboard is connected with the connecting plate, keep off frame upper portion bilateral symmetry ground slip and run through there is the carriage, the carriage upside is connected with the wedge with the connecting plate contact of homonymy, be connected with two reset springs between carriage and the fender frame, keep off frame upper portion bilateral symmetry ground rotation be equipped with the rotating plate of homonymy carriage contact, be connected with the torsion spring that is used for the reset between rotating plate and the fender frame, slide top left and right sides symmetry is equipped with the push pedal that can contact with homonymy rotating plate.

Preferably, the anti-climbing device further comprises an anti-climbing assembly for placing animals to break loose, the anti-climbing assembly comprises a guide rod, a sliding sleeve, a connecting block and a foam-rubber cushion, the left inner side and the right inner side of the upper portion of the baffle frame are all provided with the guide rod positioned under the first guide rail in a front-back symmetrical mode, the sliding sleeve is sleeved on the guide rod, the connecting block for blocking the animals is connected between the two similar sliding sleeves, and the foam-rubber cushion for protecting the animals is symmetrically arranged on one side, opposite to the two connecting blocks, of the two connecting blocks.

Preferably, the sliding plate is characterized by further comprising an opening and closing assembly for assisting the climbing prevention assembly, wherein the opening and closing assembly comprises a contact rod, a common spring and an extrusion block, the common spring is connected between the sliding sleeve and the blocking frame and wound on the outer side of the guide rod, the contact rod is connected between the upper sides of the two similar sliding sleeves, and the extrusion block contacted with the contact rod is symmetrically arranged on the left side and the right side of the bottom of the sliding plate.

Preferably, the hook is arc-shaped.

On the basis of overcoming the defects of the prior art, the invention can also achieve the following beneficial effects:

1. the couple is hung the animal upside down, and the start-up cylinder shortens, increases the height that the animal was hung upside down, and then carries out the characteristic test to the action of animal under the different circumstances, and the action of animal can be long-time recorded to the camera, and the collection frame can collect the processing to the excrement of animal.

2. Through the switching of the first background plate and the second background plate, the effect of visual contrast is achieved with the fur color of animals, and then the camera can shoot experimental video with high quality and high contrast.

3. When not using the camera, block the connecting plate through the wedge to this can avoid the camera unexpected to remove, when hanging the animal, the swing frame can aim at the animal with the camera and shoot fast through the effect that the elastic component reset.

4. The tail of the animal is surrounded by the annular connecting block, so that the animal can be prevented from biting the adhesive tape, the experiment can be further completely progressed, and the sponge cushion can be prevented from clamping the animal.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a first part of the present invention.

Fig. 3 is a schematic perspective view of a second part of the present invention.

Fig. 4 is a schematic perspective view of a recording assembly according to the present invention.

Fig. 5 is a schematic perspective view of a collection assembly according to the present invention.

Fig. 6 is a schematic perspective view of a background assembly of the present invention.

FIG. 7 is a diagram showing the positional relationship between parts of a background assembly and a baffle frame according to the present invention.

FIG. 8 is a diagram of the connection of parts of a background assembly of the present invention.

Fig. 9 is an expanded view of a portion of the components of the background assembly of the present invention.

FIG. 10 is a diagram showing the connection between parts of the clamping assembly and the retaining frame according to the present invention.

Fig. 11 is a schematic perspective view of a chucking assembly according to the present invention.

Fig. 12 is an enlarged view of section a of the present invention.

FIG. 13 is a diagram of the positional relationship of parts of the clamping assembly of the present invention.

Fig. 14 is a schematic perspective view of the anti-climbing assembly of the present invention.

Fig. 15 is a schematic perspective view of an opening and closing assembly according to the present invention.

The marks in the drawings are: the device comprises a base, a 2-baffle frame, a 3-first guide rail, a 4-slide plate, a 5-hook, a 6-cylinder, a 7-recording component, a 71-arc guide rail, a 72-swinging frame, a 73-camera, an 8-collecting component, a 81-collecting frame, a 82-sponge frame cushion, a 83-handle, a 9-background component, a 91-second guide rail, a 92-slide block, a 93-connecting rod, a 94-first rotating frame, a 95-first background plate, a 96-second rotating frame, a 97-second background plate, a 98-iron plate, a 99-magnet, a 10-clamping component, a 101-elastic component, a 102-connecting plate, a 103-sliding frame, a 104-wedge block, a 105-return spring, a 106-push plate, a 107-rotating plate, a 108-torsion spring, a 11-anti-climbing component, a 111-guide rod, a 112-sliding sleeve, a 113-connecting block, a 114-sponge cushion, a 12-opening and closing component, a 121-contact rod, a 122-normal spring, and a 123-extrusion block.

Detailed Description

The invention is further described below with reference to the drawings and examples.

Example 1

The utility model provides an experimental animal behavioral characteristic testing arrangement, as shown in fig. 1-8, including base 1, keep off frame 2, first guide rail 3, slide 4, couple 5, cylinder 6, record subassembly 7 and collection subassembly 8, base 1 upper portion is connected with keeps off frame 2, keep off frame 2 upper portion left and right sides symmetry bolt has first guide rail 3, sliding type is equipped with slide 4 between two first guide rails 3, the welding of slide 4 bottom middle side has couple 5, the shape of couple 5 is the arc, can be convenient for use the sticky tape to be stained with the animal above, keep off frame 2 upside and install cylinder 6 through screw connection's mode, cylinder 6 extensible part slidingtype runs through in keeping off frame 2 and is connected with slide 4, be provided with record subassembly 7 on keeping off frame 2, be provided with collection subassembly 8 on the base 1.

As shown in fig. 4, the recording assembly 7 includes an arc guide rail 71, a swing frame 72 and a camera 73, the arc guide rail 71 is symmetrically bolted to the left and right sides of the lower part of the baffle frame 2, the swing frame 72 is slidably sleeved on the arc guide rail 71, and the camera 73 is bolted between the upper parts of the two swing frames 72.

As shown in fig. 5, the collecting assembly 8 comprises a collecting frame 81, a sponge frame cushion 82 and a handle 83, the collecting frame 81 is slidably arranged on the upper portion of the base 1, the sponge frame cushion 82 is placed on the collecting frame 81, and the handle 83 is bolted to the front side of the collecting frame 81.

Firstly, when an animal experiment is carried out, an operator glues the tail of an animal on the hook 5 through an adhesive tape, initially, the forelimb of the animal can climb on the collecting frame 81, the operator drives the camera 73 to rotate clockwise through the swinging frame 72 to enable the camera 73 to aim at the animal, the behavior of the animal can be recorded through the camera 73, so that the behavior of the animal can be tested, then the operator starts the cylinder 6 to shorten, the telescopic piece of the cylinder 6 drives the hook 5 to move upwards through the sliding plate 4, the hook 5 can move upwards with a starter, the cylinder 6 is closed, at the moment, the forelimb of the animal is completely separated from the collecting frame 81, so that the behavior of the animal under different conditions can be tested, and in the process of hanging the animal upside down, the animal is too tension and possibly can be incontinent, can collect the urine of animal through collecting the frame 81, the sponge frame pad 82 can absorb the urine of animal, the operation person takes out the sponge frame pad 82 from collecting the frame 81, take out collecting the frame 81 from the base 1, so can handle the excrement of animal, then put back collecting the frame 81 on the base 1, put back the sponge frame pad 82 on collecting the frame 81, after animal experiment is accomplished, the operation person makes camera 73 anticlockwise rotation pack, start cylinder 6 extension, cylinder 6 extensible member drives couple 5 through slide 4 and moves down, the operation person takes down the animal from couple 5 again, then close cylinder 6, so as to accomplish the behavior test of animal.

Example 2

On the basis of embodiment 1, fig. 6, fig. 7, fig. 8 and fig. 9, as shown in fig. 1, the device further comprises a background component 9, the background component 9 comprises a second guide rail 91, a sliding block 92, a connecting rod 93, a first rotating frame 94, a first background plate 95, a second rotating frame 96, a second background plate 97, an iron plate 98 and a magnet 99, the rear side of the top of the base 1 is bolted with the second guide rail 91, the sliding block 92 is sleeved on the right part of the second guide rail 91 in a sliding manner, the connecting rod 93 is bolted on the upper side of the sliding block 92, a first rotating frame 94 and a second rotating frame 96 which are respectively arranged in a front-back manner are sleeved on the connecting rod 93, the front side of the first rotating frame 94 and the rear side of the second rotating frame 96 are respectively welded with the first background plate 95 and the second background plate 97, the left part of the second background plate 97 and the first background plate 95 are welded with the iron plate 98, and the left side of the rear part of the baffle 2 is symmetrically connected with the magnet 99 which is magnetically matched with the iron plate 98.

In the animal experiment, since most of the objects to be tested are black or white mice, the first background plate 95 and the second background plate 97 are respectively designed to be white and black, when the mice with black hair are tested, the effect of visual contrast can be achieved through the white of the first background plate 95, when the mice with white hair are tested, the iron plate 98 on the first background plate 95 is attracted by the left magnet 99, an operator drives the connecting rod 93 to move leftwards through the slide block 92, the connecting rod 93 drives the first background plate 95 and the second background plate 97 to move leftwards through the first rotating frame 94 and the second rotating frame 96 respectively, the iron plate 98 on the first background plate 95 is separated from the left magnet 99, the operator drives the first background plate 95 and the second background plate 97 to rotate clockwise 180 degrees through the first rotating frame 94 and the second rotating frame 96 respectively, the second background plate 97 is positioned in front of the first background plate 95, and then the operator moves the reset slide block 92 rightwards, so that the visual contrast can be achieved for the black mice.

Example 3

On the basis of embodiment 2, as shown in fig. 1, 10, 11, 12 and 13, the clamping assembly 10 is further included, the clamping assembly 10 comprises an elastic piece 101, a connecting plate 102, a sliding frame 103, a wedge block 104, a return spring 105, a push plate 106, a rotating plate 107 and a torsion spring 108, the elastic piece 101 is connected between the swinging frame 72 and the arc-shaped guide rail 71 on the same side, the connecting plate 102 is bolted to the inner side of the upper part of the swinging frame 72, the sliding frame 103 penetrates through the upper part of the baffle frame 2 in a bilateral symmetry sliding manner, the wedge block 104 in contact with the connecting plate 102 on the same side is welded to the upper side of the sliding frame 103, two return springs 105 are connected between the sliding frame 103 and the baffle frame 2, the rotating plate 107 in contact with the sliding frame 103 on the same side is rotationally symmetrical on the upper part of the baffle frame 2, the torsion spring 108 is connected between the rotating plate 107 and the baffle frame 2, and the push plate 106 capable of being in contact with the rotating plate 107 on the same side is symmetrically arranged on the left and right sides of the top of the sliding plate 4.

The original wedge block 104 clamps the connecting plate 102, the elastic piece 101 is in a stretching state, so that the situation that the camera 73 is accidentally dropped can be avoided, when the sliding plate 4 drives the hook 5 to move upwards to lift an animal, the sliding plate 4 also drives the push plate 106 to push the rotating plate 107 to rotate clockwise, the torsion spring 108 deforms, the rotating plate 107 pulls the wedge block 104 to move downwards through the sliding frame 103 to loosen the connecting plate 102, the reset spring 105 is compressed, the elastic piece 101 resets, the swinging frame 72 drives the camera 73 to rotate clockwise under the reset action of the elastic piece 101, the camera 73 can be automatically aligned with the animal while the animal is hung, an operator drives the camera 73 to rotate anticlockwise through the swinging frame 72 to reset, the elastic piece 101 stretches, when the sliding plate 4 drives the hook 5 to move downwards to release the animal, the push plate 106 can loosen the rotating plate 107, the torsion spring 108 resets, the rotating plate 107 rotates anticlockwise under the reset action of the torsion spring 108 to loosen the sliding frame 103, the reset spring 105 resets, the wedge block 104 moves upwards under the reset action of the reset spring 105 to clamp the connecting plate 102 again, and the camera 73 can be ready to be opened automatically for next operation.

Example 4

On the basis of embodiment 3, as shown in fig. 1 and 14, the anti-climbing device further comprises an anti-climbing device 11, the anti-climbing device 11 comprises a guide rod 111, a sliding sleeve 112, a connecting block 113 and a foam-rubber cushion 114, the guide rod 111 positioned under the first guide rail 3 is symmetrically bolted on the left and right inner sides of the upper part of the baffle frame 2, the sliding sleeve 112 is sleeved on the guide rod 111 in a sliding manner, the connecting block 113 is welded between the two similar sliding sleeves 112, and the foam-rubber cushion 114 is symmetrically arranged on one side of the two connecting blocks 113 opposite to each other.

As shown in fig. 1 and 15, the sliding plate comprises an opening and closing assembly 12, the opening and closing assembly 12 comprises a contact rod 121, a common spring 122 and an extrusion block 123, the common spring 122 wound on the outer side of the guide rod 111 is connected between the sliding sleeve 112 and the baffle frame 2, the contact rod 121 is welded between the upper sides of the two similar sliding sleeves 112, and the extrusion block 123 contacted with the contact rod 121 is symmetrically bolted on the left side and the right side of the bottom of the sliding plate 4.

Since the initial extrusion block 123 extrudes the contact rod 121, the common spring 122 is in a compressed state, so that the upward movement of the sliding plate 4 drives the extrusion block 123 to move upwards to loosen the contact rod 121, the common spring 122 is reset, the sliding sleeve 112 drives the foam-rubber cushion 114 to move in a direction close to the tail of the animal through the connecting blocks 113 under the action of the reset of the common spring 122, the two foam-rubber cushion 114 are close to contact with the tail of the animal, the two connecting blocks 113 surround the tail of the animal in a ring shape, the sliding plate 4 drives the extrusion block 123 to move downwards to extrude the contact rod 121 when moving downwards, the contact rod 121 is stressed to drive the connecting blocks 113 to move in a direction away from the tail of the animal through the sliding sleeve 112, and the common spring 122 is compressed, so that the foam-rubber cushion 114 can loosen the tail of the animal.

The foregoing examples have shown only the preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides an experimental animal behavior characteristic testing device, including base (1), keep off frame (2), first guide rail (3), slide (4), couple (5) and cylinder (6), base (1) upper portion is connected with keeps off frame (2), keep off frame (2) upper portion left and right sides inboard symmetry is equipped with first guide rail (3) that are used for the direction, sliding be equipped with slide (4) between two first guide rails (3), slide (4) bottom middle side is connected with couple (5) that are used for hanging the animal, cylinder (6) are installed to fender frame (2) upside, cylinder (6) extensible part slidingtype is run through in fender frame (2) and is connected with slide (4), a serial communication port, still including record subassembly (7) and collection subassembly (8), be provided with on fender frame (2) and be used for recording animal behavior,

the base (1) is provided with a collecting component (8) for collecting animal excreta;

the recording component (7) comprises an arc-shaped guide rail (71), a swinging frame (72) and a camera (73),

arc guide rails (71) for guiding are symmetrically arranged on the left side and the right side of the lower portion of the baffle frame (2), swing frames (72) are sleeved on the arc guide rails (71) in a sliding mode, and cameras (73) for shooting and recording are connected between the upper portions of the two swing frames (72);

still including being used for supplementary record subassembly (7) block subassembly (10), block subassembly (10) including elastic component (101), connecting plate (102), carriage (103), wedge (104), reset spring (105), push pedal (106), revolving plate (107) and torsion spring (108), be connected with elastic component (101) between swing frame (72) and homonymous arc guide rail (71), swing frame (72) upper portion inboard is connected with connecting plate (102), it runs through with carriage (103) to keep off frame (2) upper portion bilateral symmetry slidingtype, carriage (103) upside is connected with wedge (104) with connecting plate (102) contact of homonymous, be connected with two reset springs (105) between carriage (103) and the fender frame (2), fender frame (2) upper portion bilateral symmetry rotation is equipped with revolving plate (107) with homonymous carriage (103) contact, be connected with between revolving plate (107) and the fender frame (2) and be used for reset torsion spring (108), slide (4) top bilateral symmetry is equipped with can with revolving plate (106) with homonymous side.

2. The experimental animal behavioral characteristic testing apparatus according to claim 1, wherein the collecting component (8) comprises a collecting frame (81), a sponge frame pad (82) and a handle (83), the collecting frame (81) for collecting excrement is slidably arranged on the upper portion of the base (1), the sponge frame pad (82) for adsorbing excrement is arranged on the collecting frame (81), and the handle (83) is connected to the front side of the collecting frame (81).

3. The experimental animal behavior characteristic testing device according to claim 2, further comprising a background component (9) for enhancing visual effects, wherein the background component (9) comprises a second guide rail (91), a slide block (92), a connecting rod (93), a first rotating frame (94), a first background plate (95), a second rotating frame (96), a second background plate (97), an iron plate (98) and a magnet (99), the rear side of the top of the base (1) is connected with the second guide rail (91), the slide block (92) is sleeved on the right part of the second guide rail (91), the connecting rod (92) is connected with the connecting rod (93), a first rotating frame (94) and a second rotating frame (96) which are respectively arranged front and back are sleeved on the connecting rod (93), the front side of the first rotating frame (94) and the rear side of the second rotating frame (96) are respectively connected with the first background plate (95) and the second background plate (97) for background contrast, the left part of the second background plate (97) and the first background plate (95) are respectively connected with the iron plate (98), and the right part of the second background plate (97) is provided with the iron plate (98) which is matched with the magnet (99).

4. The experimental animal behavior characteristic testing device according to claim 3, further comprising an anti-climbing component (11) for placing animals to break loose, wherein the anti-climbing component (11) comprises a guide rod (111), sliding sleeves (112), connecting blocks (113) and foam-rubber mats (114), the left inner side and the right inner side of the upper portion of the baffle frame (2) are symmetrically provided with the guide rod (111) positioned under the first guide rail (3), the sliding sleeves (112) are sleeved on the guide rod (111) in a sliding mode, the connecting blocks (113) for blocking the animals are connected between the two similar sliding sleeves (112), and the foam-rubber mats (114) for protecting the animals are symmetrically arranged on the opposite sides of the two connecting blocks (113).

5. The experimental animal behavior characteristic testing device according to claim 4, further comprising an opening and closing assembly (12) for assisting the climbing prevention assembly (11), wherein the opening and closing assembly (12) comprises a contact rod (121), a common spring (122) and an extrusion block (123), the common spring (122) wound on the outer side of the guide rod (111) is connected between the sliding sleeve (112) and the baffle frame (2), the contact rod (121) is connected between the upper sides of the two similar sliding sleeves (112), and the extrusion blocks (123) contacted with the same-side contact rod (121) are symmetrically arranged on the left side and the right side of the bottom of the sliding plate (4).

6. An experimental animal behavioral characteristic testing apparatus according to claim 5, wherein the hook (5) is arcuate in shape.