CN111388135A - Fixing device for functional experiment - Google Patents

Abstract

The fixing device for functional experiments comprises an operating platform, wherein the right side of the operating platform is connected with a turnover plate in a sliding way, a feeding cage is fixedly connected on the turnover plate, an opening and closing mechanism is arranged on the side wall of the left side of the feeding cage, the left side of the opening and closing mechanism is connected with a split-joint mouse trapping cylinder, the upper part of the mouse trapping cylinder is connected with a mouse trapping clip, a liftable dissecting table is arranged on the left side of the operating table, an opening and closing cover which moves synchronously is connected on the dissecting table in a rotating way, the fixed rod is rotatably connected with a bidirectional screw rod, the bidirectional screw rod is fixedly matched with an opening rod which moves relatively, the opening rod is fixedly connected with a pull rope, the pull rope is fixedly connected with a fixing buckle, the left side of the fixing buckle is provided with a placing hole, the lower part of the placing hole is fixedly connected with a three-jaw chuck, and the three-jaw chuck, the placing hole and the mouse trap are matched to form a mouse head and neck fixing device; the invention effectively solves the following problems: the problem that the mouse is difficult to grab and the fixing device cannot be adjusted when the mouse is grabbed.

Description

Fixing device for functional experiment

Technical Field

The invention relates to the technical field of medical treatment, in particular to a fixing device for functional experiments.

Background

At present, almost all experimental animal production and reproduction and animal experimental research work need to limit the activity of experimental animals so as to keep the experimental animals in a quiet state, so as to carry out experimental operation or correctly record the reaction condition of the experimental animals. The movement of the experimental animal can be limited by adopting a grabbing method or fixing by using a fixing device. Taking an experimental mouse as an example, the mouse has resistance to external stimulation during the grabbing process, so that an operator is easy to bite, and if the operator wears thicker gloves, the flexibility of fingers is affected, and subsequent operation is inconvenient, so that the operator is difficult to grab animals; in addition, the laboratory adopts the stereoplasm section of thick bamboo fixed when fixing experimental mouse now, and these devices are not convenient for adjust, are not suitable for the mouse of different sizes.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the functional laboratory fixing device which can effectively solve the problems that the laboratory animals are difficult to grab when being grabbed and the devices of the laboratory animals with different body types cannot be correspondingly adjusted.

In order to achieve the purpose, the invention comprises an operation table, a turnover plate capable of being turned over is connected to the right side of the operation table in a sliding mode, a feeding cage is fixedly connected to the turnover plate, an opening and closing mechanism is arranged on the side wall of the left side of the feeding cage, a splicing mouse trapping cylinder is clamped to the left side of the opening and closing mechanism, a cylindrical hole is formed in the upper portion of the mouse trapping cylinder, a mouse trapping clamp is clamped in the cylindrical hole and comprises a control rod, a one-way ratchet mechanism is fixedly connected to the lower side of the control rod, a rotating block is coaxially and fixedly connected with the one-way ratchet mechanism, a rotary groove is formed in the rotating block, a clamping jaw is connected in the rotary groove in a sliding mode, a fixing sleeve is connected to the clamping jaw in a sliding mode and rotatably connected with the rotating block, a rectangular guide groove is formed in the fixing sleeve, and the guide, the operation panel left side is equipped with the dissection table of liftable, it has synchronous motion's the lid that opens and shuts to rotate on the dissection table, it is connected with two-way lead screw to rotate on the dead lever, the rigid coupling has relative motion's the pole that struts on the two-way lead screw, fixedly connected with stay cord on the pole that struts, fixedly connected with is fixed to be buckled on the stay cord, fixed the left side of buckling is equipped with places the hole, place hole lower part fixedly connected with three-jaw chuck, place hole and mousing clamp cooperation constitution mouse neck fixing device.

Preferably, the middle part of the upper top surface of the turnover plate is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with the operating platform, the turnover plate is fixedly connected with a first chain wheel, the upper part of the first chain wheel is rotatably connected with a sliding block, the sliding block is slidably connected with the operating platform, the rear side of the first chain wheel is matched with a rotatable chain, the chain is internally matched with a second chain wheel, and the second chain wheel is rotatably connected with the operating platform.

Preferably, a section of thick bamboo that kills rats is including a left half section of thick bamboo and a right half section of thick bamboo, and a left half section of thick bamboo and right half section of thick bamboo bottom are rotated and are connected, and a left half section of thick bamboo and right half section of thick bamboo upper portion fixedly connected with buckle.

Preferably, the one-way ratchet mechanism comprises a ratchet wheel, the ratchet wheel is fixedly connected with the rotating block, the ratchet wheel is matched with a pawl, the pawl is rotatably connected with the fixed sleeve, an elastic sheet is fixedly connected on the fixed sleeve, and the elastic sheet is positioned on the right side of the pawl.

Preferably, the mechanism that opens and shuts is including the leaf piece, and the leaf piece rotates with the rearging cage to be connected, the first gear of fixedly connected with on the last angle of leaf piece, first gear engagement has the internal gear, fixedly connected with dwang on the internal gear, sliding connection has the locating pin on the dwang, the internal gear rotates and is connected with the connecting pipe, connecting pipe one end fixedly connected with joint ware.

Preferably, the clamping device comprises an inner tube body, a return spring is fixedly connected to the outer side of the inner tube body, an outer tube body is fixedly connected to the other end of the return spring, the outer tube body is slidably connected with the inner tube body, a circular table hole is formed in the outer tube body, a clamping ball is arranged in the circular table hole, and the clamping ball is arranged on the inner tube body.

Preferably, the dissecting table bottom articulates there is the first link mechanism of angularly changeable, first link mechanism articulates there is second link mechanism, second link mechanism rotates with the operation panel to be connected, first link mechanism and second link mechanism's shape is "X" shape, but rotate on first link mechanism and the second link mechanism and be connected with relative motion's lifter, the cooperation has two-way screw rod on the lifter, two-way screw rod rotates with the operation panel to be connected, operation panel upper portion fixedly connected with rack, the rack right side is equipped with the second gear that can mesh, the second gear is in the dissecting table and second gear and cover fixed connection that opens and shuts.

Preferably, the fixed knot is including the connecting plate, the connecting plate both sides are rotated and are connected with arc splint, the rear side rotate on the arc splint and are connected with the traction block, it is connected with the regulation pole to rotate on the traction block, it rotates with the arc splint rotation of front side to adjust the pole opposite side and is connected.

Preferably, the adjusting rod comprises an upper rod body and a lower rod body, and a connecting sleeve is in threaded connection between the upper rod body and the lower rod body.

Preferably, the side part of the turnover plate is fixedly connected with a supporting rod, the supporting rod is provided with a rectangular opening, the side surface of the rectangular opening is in threaded connection with a fastening screw, and the bottom of the rearing cage is fixedly connected with a rectangular rod.

Compared with the prior art, the invention has the outstanding advantages that: before the experiment, the rats are in a proper environment, so that the obtained experimental data are the normal reaction condition of the rats, when the rats are grabbed, the rats are grabbed by using the rat catching cylinder according to the habits of the rats, the rats are prevented from biting operators, the head and neck positions of the rats can be fixed by matching the rat catching clamp with the placing hole on the dissecting table, then the four limbs are buckled through the fixing buckle, the rats are fixed by rotating the bidirectional screw rod, and the operation is convenient and rapid, and is convenient for operators to operate; the dissecting table is provided with the opening and closing cover to ensure the neatness of the dissecting table and avoid the dissecting table from being polluted by dust in the environment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1 according to the present invention.

FIG. 3 is a schematic diagram of a first cross-sectional structure of the present invention.

Fig. 4 is an enlarged structural diagram of B in fig. 3 according to the present invention.

FIG. 5 is a schematic view of the structure of the roll-over plate of the present invention.

FIG. 6 is an enlarged view of E in FIG. 5 according to the present invention.

FIG. 7 is a schematic view of the structure of the rearing cage of the present invention.

Fig. 8 is an exploded view of the opening and closing mechanism of the present invention.

FIG. 9 is an enlarged view of D in FIG. 8 according to the present invention.

Figure 10 is a schematic view of an exploded view of the card connector of the present invention.

Fig. 11 is a schematic structural view of the mouse trapping barrel.

Fig. 12 is a schematic illustration of a part of the structure of the mouse trapping barrel of the invention.

Fig. 13 is a schematic structural view of the mousetrap of the invention.

FIG. 14 is an enlarged view of C in FIG. 11 according to the present invention.

FIG. 15 is a bottom view of the console of the present invention.

Fig. 16 is a schematic view of the exploded structure of the three-jaw chuck of the present invention.

In the figure: 1 operating table, 2 turning plate, 3 breeding cage, 4 mouse trapping cylinders, 5 cylindrical holes, 6 mouse trapping clamps, 7 control rod, 8 turning block, 9 revolving groove, 10 clamping jaw, 11 fixing sleeve, 12 guide groove, 13 dissecting table, 14 opening and closing cover, 15 bidirectional screw rod, 16 opening rod, 17 pull rope, 18 fixing buckle, 19 placing hole, 20 three-jaw chuck, 21 connecting rod, 22 first chain wheel, 23 sliding block, 24 chain, 25 second chain wheel, 401 left half cylinder, 402 right half cylinder, 403 buckle, 26 ratchet wheel, 27 pawl, 28 elastic sheet, 29 sheet, 30 first gear, 31 internal gear, 32 rotating rod, 33 positioning pin, 34 connecting pipe, 35 internal pipe body, 36 reset spring, 37 external pipe body, 38 circular table hole, 39 clamping ball, 40 first connecting rod mechanism, 41 second connecting rod mechanism, 42 lifting rod, 43 bidirectional screw rod, 44 rack, 45 second gear, 1801 connecting plate, 1802 arc-shaped connecting plate, 1803 traction block, 1804 adjusting rod, 46 upper rod body, 47 lower rod body, 48 connecting sleeve, 49 supporting rod, 50 rectangular opening, 51 fastening screw and 52 rectangular rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying figures 1-16. The drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The invention is shown in figures 1-16, and comprises an operation table 1, wherein the right side of the operation table 1 is slidably connected with a turnover plate 2 which can be turned over, the turnover plate 2 is fixedly connected with a breeding cage 3, the left side wall of the breeding cage 3 is provided with an opening and closing mechanism, the left side of the opening and closing mechanism is clamped with a splicing mouse trapping cylinder 4, the upper part of the mouse trapping cylinder 4 is provided with a cylindrical hole 5, a mouse trapping clamp 6 is clamped in the cylindrical hole 5, the mouse trapping clamp 6 comprises a control rod 7, the lower side of the control rod 7 is fixedly connected with a one-way ratchet mechanism, the one-way ratchet mechanism is coaxially and fixedly connected with a rotating block 8, the rotating block 8 is provided with a rotating groove 9, the rotating groove 9 is internally and slidably connected with a clamping jaw 10, the clamping jaw 10 is slidably connected with a fixed sleeve 11, the fixed sleeve 11 is rotatably connected with the rotating block 8, the, the cooperation of guide way 12, the groove of circling round 9 and clamping jaw 10 constitutes the straight line reciprocating mechanism of clamping jaw 10, 1 left side of operation panel is equipped with the dissection table 13 of liftable, it is connected with synchronous motion's the lid that opens and shuts 14 to rotate on the dissection table 13, it is connected with two-way lead screw 15 to rotate on the dead lever, the cooperation has relative motion's pole 16 that struts on the two-way lead screw 15 admittedly, fixedly connected with stay cord 17 on the pole 16 that struts, fixedly connected with hasp 18 on the stay cord 17, 18 left sides of hasp are equipped with places hole 19, place hole 19 lower part fixedly connected with three-jaw chuck 20, place hole 19 and mousing clamp 6 cooperation constitution mouse neck fixing device.

When a functional laboratory is used for carrying out experiments on mice, the mice need to be grabbed and fixed, the device adopts the mouse catching cylinder 4 to grab the mice in the feeding cage 3, and workers are prevented from being bitten when grabbing the mice; the feeding cage 3 and the mouse trapping barrel 4 are made of transparent materials, so that workers can observe the position of a mouse conveniently, and the mouse can be caught conveniently.

In an initial state, one side of the turnover plate 2 for fixing the feeding cage 3 is positioned in the operation table 1 to provide a dark environment suitable for the movement of the mice, the reaction of the mice in a laboratory is avoided, the universality of experimental data is ensured, two second chain wheels 25 are arranged on the rear side of the turnover plate 2, the distance between the two second chain wheels 25 is greater than the length of the turnover plate 2, one of the second chain wheels 25 is connected with a motor, when the mice need to be grabbed for testing, the motor is started to rotate reversely, as shown in figures 5 and 6, the motor drives the second chain wheel 25 to rotate anticlockwise, the second chain wheel 25 drives the chain 24 to rotate anticlockwise, the chain 24 has thrust and clockwise torsion to the first chain wheel 22 when rotating anticlockwise, the first chain wheel 22 drives the turnover plate 2 to rotate clockwise while pushing the left side of the turnover plate 2 to move rightwards, when the turnover plate 2 rotates, the connecting rod 21 is pushed to rotate counterclockwise by a certain angle, and when the first chain wheel 22 moves rightwards to exceed half of the turnover plate 2, the connecting rod 21 rotates clockwise, so that the rearing cage 3 rotates to the outer side of the operation table 1. Then clamping the mouse trapping cylinder 4 on the side edge of the feeding cage 3 through a clamping device, then rotating an opening and closing mechanism to open an outlet on the right side of the feeding cage 3, as shown in the figure, when the opening and closing mechanism is opened, a positioning hole is arranged on the feeding cage 3, initially, a positioning pin 33 is positioned in the positioning hole on the upper side, the opening and closing mechanism is in a closed state, when the rotating rod 32 is rotated anticlockwise, the rotating rod 32 drives an internal gear 31 to rotate anticlockwise, the internal gear 31 drives a first gear 30 inside the internal gear to rotate anticlockwise, the first gear 30 drives a coaxially and fixedly connected leaf 29 to rotate anticlockwise, five leaves 29 are provided, each leaf 29 is cut by a rotating radius, mutual interference of the leaves 29 is guaranteed, when the rotating rod 32 rotates to the positioning hole, the five leaves 29 are in a completely opened state, mice are driven to pass through the opening and closing mechanism to enter the mouse trapping cylinder 4 by utilizing the habit that mice like drilling, an operator can observe the position of the mice in the mouse trapping barrel 4, and then the control rod 7 is rotated to control the rod 7 to drive the clamping jaw 10 to clamp the position, close to the lower part of the head of the mouse, of the mouse; as shown in fig. 11-14, the one-way ratchet mechanism limits the rotation block 8 to rotate counterclockwise, when a mouse in the mouse trapping cage is clamped, the control rod 7 is rotated clockwise, the control rod 7 instantaneously rotates clockwise to drive the rotation block 8 to rotate clockwise, the rotation block 8 rotates clockwise to drive the rotation groove 9 to rotate clockwise, under the guiding action of the guide groove 12, the two clamping jaws 10 are relatively close to each other to fix the mouse in the mouse trapping cage, after the mouse is clamped by the mouse trapping clip 6, the outer tube 37 is pressed backwards to enable the clamping device to loosen the fixation of the mouse trapping tube 4, after the mouse trapping clip 6 is separated from the clamping device, the buckle 403 on the mouse trapping tube 4 can be loosened, the buckle 403 is a buckle 403 which is commonly used in life, after the buckle 403 is sent out, the left half tube 401 and the right half tube 402 can be separated, so that the fixation of the mouse trapping clip 6 is cancelled, after the mouse trap 6 is separated from the mouse trapping tube 4, an operator can place the mouse on the dissecting, avoiding biting workers when the mice are caught by adopting a conventional method; as shown in fig. 1-3, the dissecting table 13 has a placement hole 19, the size of the placement hole 19 is the same as the size of the inner tube 35 of the mouse trap 6, the operator places the mouse trap 6 upside down in the placement hole 19, the mouse trap 6 is fixed by a three-rotation chuck, thereby fixing the head and neck of the mouse, then the four limbs of the mouse are buckled by the buckles 18, there are four buckles 18, there are two spreading rods 16, two buckles 18 are distributed on each spreading rod 16, when fixing the four limbs of the mouse, the two sides of the connecting sleeve 48 have different screw threads, the upper rod 46 and the lower rod 47 have screw threads matching with the connecting sleeve 48, when the connecting sleeve 48 is rotated, the upper rod 46 and the lower rod 47 will move relatively, thereby adjusting the length of the adjusting rod 1804, after adjusting the length of the adjusting rod, the pulling block 1803 is rotated counterclockwise, the pulling block 1803 drives the adjusting rod 1804 to move leftward, meanwhile, the lower end of the traction block 1803 has a force to the left arc splint 1802 to be right, the adjusting rod 1804 has a force to the right arc splint 1802 to be left, the two arc splints 1802 rotate mutually to clamp the limbs of the mouse, when the fixing buckle 18 fastens the limbs of the mouse, the traction block 1803 is knocked to rotate to the dead point position of a four-bar structure formed by the adjusting rod 1804, the traction block 1803 and the arc splints 1802, after the fixing buckle 18 is fastened, the two spreading rods 16 are driven to move away from each other by rotating the bidirectional screw 43, the spreading rods 16 are connected with the fixing buckle 18 through the pull rope 17, the mice with different body sizes are fixed through the difference of the distance between the two spreading rods 16, after the mouse is fixed, an operator can operate the fixed mouse, after the experiment is finished, the three-jaw chuck 20 and the fixing buckle 18 are loosened, after the mouse trap 6 is taken out, the pawl 27 is shifted, the pawl 27 compresses the elastic sheet 28 to enable the pawl 27, the mouse is separated from the mouse trap 6 by rotating the control rod 7.

As shown in fig. 15, the dissecting table 13 is located inside the operating table 1 when not in use, when the dissecting table 13 is in use, the two-way screw 43 needs to be rotated, the two lifting rods 42 are provided, the middle parts of the two lifting rods 42 are provided with threaded holes with different rotation directions, the first link mechanism 40 and the second link mechanism 41 are hinged to form a diamond shape, when the two lifting rods 42 are driven by rotating the two-way screw 43 to be relatively far away, the crossing angle of the first link mechanism 40 and the second link mechanism 41 is reduced, the vertical height of the two rods is increased, so that the dissecting table 13 is lifted, when the dissecting table 13 is lifted to a certain height, the second gear 45 is meshed with the rack 44, the second gear 45 is matched with the rack 44 to convert the linear motion into the rotation of the second gear 45, the second gear 45 rotates counterclockwise to drive the opening and closing cover 14 to rotate counterclockwise, so as to open and close the opening and closing cover 14 when the dissecting table 13 is lowered, ensure the cleanness of the dissecting table 13 and avoid dust pollution.

Open and close and to be connected with on 14 medial surfaces of lid and place the board, opening and close lid 14 and open the back, operating personnel can place the board through manual opening, places the board and rotates the angle back on opening and closing lid 14, through the dead point rigidity between the connecting rod, places and to place the apparatus tray on the board, makes things convenient for getting of operator to the apparatus to take.

The rearing cage 3 and the overturning plate 2 are fixed by fastening screws 51 through the matching of the rectangular rods 52 and the rectangular holes, so that the rearing cage 3 is convenient to disassemble; the joint ware passes through the cooperation realization of outer body 37 and joint ball 39 to be connected of a section of thick bamboo 4 that kills rats, only need press outer body 37 backward during the connection, a section of thick bamboo 4 that kills rats pushes the centre of body 35 in the joint ball 39 principle under the effect of round platform through-hole, after loosening outer body 37, under the effect of reset spring 36, outer body 37 moves forward, joint ball 39 is oppressed to outer body 37 inner wall, thereby make joint ball 39 draw close to the center of body 35 in inside, thereby make the recess cooperation on joint ball 39 and the section of thick bamboo 4 that kills rats, it is in the same place with the joint of rearging cage 3 joint with a section of thick bamboo 4 that kills rats.

The overall working process of the invention is as follows: rotate the mousetrap to the 1 outside of operation panel through rotating returning face plate 2, then through the joint ware with a section of thick bamboo 4 and 3 joints of rearging cage together kill rats, open and open the structure that opens and shuts and make the mouse in the rearging cage 3 enter into a section of thick bamboo 4 that kills rats, later rotate control lever 7 and press from both sides mousetrap 6 tightly, mousetrap 6 presss from both sides the mouse back release joint ware, then open the buckle 403 of connecting between a section of thick bamboo 4 that kills rats, take out mousetrap 6, fix mousetrap 6 on dissecting table 13 through three-jaw chuck 20, later detain mouse four limbs through fixed knot 18, make two prop open the pole 16 and keep away from relatively through rotating two-way lead screw 15, straighten the four limbs of mouse, prevent that the mouse from catching an operator.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Function experiment science fixing device, including operation panel (1), its characterized in that: the operation panel (1) front side sliding connection has a turnover plate (2) that can overturn, fixedly connected with rearging cage (3) are gone up in turnover plate (2), be equipped with the mechanism that opens and shuts on rearging cage (3) left side lateral wall, rearging cage (3) front side joint has a section of thick bamboo of mousing (4), a section of thick bamboo of mousing (4) can cooperate with the mechanism joint that opens and shuts, open on a section of thick bamboo of mousing (4) upper portion has cylinder hole (5), the joint has mousing clamp (6) in cylinder hole (5), mousing clamp (6) are including control lever (7), control lever (7) downside fixedly connected with one-way ratchet mechanism, the coaxial fixedly connected with rotor block (8) of one-way ratchet mechanism, it has gyrus groove (9) to open on rotor block (8), sliding connection has clamping jaw (10) in gyrus groove (9), clamping jaw (10) sliding connection has fixed cover (11), the fixed sleeve (11) is rotationally connected with the rotating block (8), a rectangular guide groove (12) is formed in the fixed sleeve (11), the guide groove (12), the rotary groove (9) and the clamping jaw (10) are matched to form a linear reciprocating mechanism of the clamping jaw (10), a liftable dissecting table (13) is arranged on the left side of the operating table (1), an opening and closing cover (14) which moves synchronously is rotatably connected onto the dissecting table (13), a bidirectional lead screw (15) is rotatably connected onto the dissecting table (13), an opening rod (16) which moves relatively is matched onto the bidirectional lead screw (15), a pull rope (17) is fixedly connected onto the opening rod (16), a fixing buckle (18) is fixedly connected onto the pull rope (17), a placing hole (19) is formed in the left side of the fixing buckle (18), and a three-jaw chuck (20) is fixedly connected onto the lower portion of the placing hole (19), the three-jaw chuck (20), the placing hole (19) and the mouse trap (6) are matched to form the mouse head and neck fixing device.

2. The functional laboratory fixation device of claim 1 wherein: top surface middle part is rotated on returning face plate (2) and is connected with connecting rod (21), the connecting rod (21) other end rotates with operation panel (1) and is connected, first sprocket (22) of fixedly connected with are gone up in returning face plate (2), first sprocket (22) upper portion rotates and is connected with slider (23), slider (23) and operation panel (1) sliding connection, the cooperation of first sprocket (22) rear side has rotatable chain (24), chain (24) fit in has second sprocket (25), second sprocket (25) rotate with operation panel (1) and are connected.

3. The fixing device for functional experiments according to claim 1 is characterized in that the mouse trapping cylinder (4) comprises a left half cylinder (401) and a right half cylinder (402), the bottoms of the left half cylinder (401) and the right half cylinder (402) are rotatably connected, and the upper parts of the left half cylinder (401) and the right half cylinder (402) are fixedly connected with a buckle (403).

4. The functional experiment fixing device according to claim 1, characterized in that the one-way ratchet mechanism comprises a ratchet wheel (26), the ratchet wheel (26) is fixedly connected with the rotating block (8), the ratchet wheel (26) is matched with a pawl (27), the pawl (27) is rotatably connected with a fixing sleeve (11), an elastic sheet (28) is fixedly connected with the fixing sleeve (11), and the elastic sheet (28) is positioned on the upper side of the pawl (27).

5. The functional laboratory fixation device of claim 1 wherein: mechanism opens and shuts is including page or leaf piece (29), and page or leaf piece (29) rotate with rearging cage (3) and is connected, the first gear of fixedly connected with (30) on a angle on page or leaf piece (29), first gear (30) meshing has internal gear (31), fixedly connected with dwang (32) is gone up in internal gear (31), sliding connection has locating pin (33) on dwang (32), internal gear (31) rotate and are connected with connecting pipe (34), connecting pipe (34) one end fixedly connected with joint ware.

6. The functional laboratory fixation device of claim 5 wherein: the clamping device comprises an inner tube body (35), a return spring (36) is fixedly connected to the outer side of the inner tube body (35), an outer tube body (37) is fixedly connected to the other end of the return spring (36), the outer tube body (37) is in sliding connection with the inner tube body (35), a circular table hole (38) is formed in the outer tube body (37), a clamping ball (39) is arranged in the circular table hole (38), and the clamping ball (39) is arranged on the inner tube body (35).

7. The functional experiment fixing device according to claim 1, characterized in that the bottom of the dissecting table (13) is hinged with a first link mechanism (40) with variable angle, the first link mechanism (40) is hinged with a second link mechanism (41), the second link mechanism (41) is rotatably connected with the operating table (1), the first link mechanism (40) and the second link mechanism (41) are in X shape, the first link mechanism (40) and the second link mechanism (41) are rotatably connected with a lifting rod (42) capable of relative movement, the lifting rod (42) is matched with a bidirectional screw (43), the bidirectional screw (43) is rotatably connected with the operating table (1), the upper part of the operating table (1) is fixedly connected with a rack (44), the right side of the rack (44) is provided with a second gear (45) capable of meshing, the second gear (45) is arranged in the dissecting table (13) and the second gear (45) is fixedly connected with the opening and closing cover (14).

8. The functional laboratory fixation device of claim 1 wherein: the fixing buckle (18) comprises a connecting plate (1801), arc-shaped clamping plates (1802) are rotatably connected to two sides of the connecting plate (1801), the arc-shaped clamping plates (1802) on the rear side are rotatably connected with a traction block (1803), the traction block (1803) is rotatably connected with an adjusting rod (1804), and the other side of the adjusting rod (1804) is rotatably connected with the arc-shaped clamping plates (1802) on the front side.

9. The functional laboratory fixation device of claim 8 wherein: the adjusting rod (1804) comprises an upper rod body (46) and a lower rod body (47), and a connecting sleeve (48) is connected between the upper rod body (46) and the lower rod body (47) in a threaded manner.

10. The functional laboratory fixation device of claim 2 wherein: the utility model discloses a rearing cage, including roll-over plate (2), bracing piece (49) are connected with to the front side fixedly connected with bracing piece (49) of roll-over plate (2), it has rectangle mouth (50) to open on bracing piece (49), rectangle mouth (50) side threaded connection has fastening screw (51), rearging cage (3) bottom fixedly connected with rectangle pole (52).

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