Blood sampling fixing device for animal experiment

Abstract

The utility model discloses a blood sampling fixing device for animal experiments, and relates to the technical field of zoology experiment equipment. A rotating shaft is fixedly arranged on one side of the overturning plate, and the two sides of the rotating shaft are rotationally arranged on the bottom plate through shaft seats; the number of the locking buckles is four, one sides of the four locking buckles are rotationally arranged on the turnover plate through shaft seats, clamping grooves are formed in the other sides of the locking buckles, the locking buckles are movably clamped on the clamping buckles through the clamping grooves, the clamping buckles are fixedly arranged on the turnover plate, and the middle portions of the locking buckles are of arc-shaped structures. The two limiting extrusion mechanisms are symmetrically arranged on the two sides of the overturning plate correspondingly. The overturning limiting mechanism is arranged on one side of the rotating shaft, the other side of the overturning limiting mechanism is arranged on the bottom plate, four limbs of a mouse can be opened and fixed, extrusion operation can be assisted, blood outflow can be helped, meanwhile, the body of the mouse can be overturned and lifted according to the blood taking position, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of zoological experimental equipment, in particular to a blood sampling and fixing device for animal experiments. Background Art

[0002] In the process of animal experiments, it is often necessary to draw blood from mice. The commonly used blood drawing methods include tail vein, orbital artery and vein, decapitation and heart blood drawing. In the process of blood drawing, the mice need to be fixed and then the operation is performed. In the prior art, it is generally fixed manually, and the blood drawing operation requires the cooperation of multiple people. At the same time, since the blood is drawn from a living body, the struggle of the mice affects the blood drawing. Therefore, there is an urgent need for a blood drawing and fixing device for animal experiments. Utility Model Content

[0003] The purpose of the utility model is to provide a reasonably designed blood sampling and fixing device for animal experiments in view of the defects and shortcomings of the prior art, which can solve the technical problems in the above-mentioned background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it comprises a bottom plate and a flip plate, a rotating shaft is fixedly arranged on one side of the flip plate, and both sides of the rotating shaft are rotatably arranged on the bottom plate through a shaft seat;

[0005] There are four locking buckles, one side of the four locking buckles is rotatably arranged on the flip plate through the shaft seat, and a clamping slot is opened on the other side of the locking buckle. The locking buckle is movably clamped on the clamping buckle through the clamping slot. The clamping buckle is fixedly arranged on the flip plate, and the middle part of the locking buckle is arranged in an arc structure;

[0006] The position limiting and squeezing mechanism is two and symmetrically arranged on both sides of the flip plate;

[0007] The flip limiting mechanism is arranged on one side of the rotating shaft, and the other side of the flip limiting mechanism is arranged on the bottom plate.

[0008] As a further improvement of the present invention, the flip limit mechanism comprises:

[0009] The gear is fixedly arranged at the end of the rotating shaft, a rack is meshedly arranged on the lower side of the gear, and the rack is arranged in a guide groove opened on the bottom plate when sliding through the guide block; the guide block and the guide groove are both arranged in a "T"-shaped structure, and a No. 1 threaded rod is rotatably penetrated on one side of the rack through a thread, and the No. 1 threaded rod is rotatably arranged on the bottom plate through an axle seat.

[0010] As a further improvement of the utility model, the end of the No. 1 threaded rod is fixedly provided with a plum blossom hand screw; the No. 1 threaded rod can be conveniently adjusted by the setting of the plum blossom hand screw;

[0011] As a further improvement of the present invention, an anti-skid pad is fixedly provided at the bottom of the base plate; the provision of the anti-skid pad increases the friction between the base plate and the placement surface, thereby ensuring the stability of the device during use.

[0012] As a further improvement of the present utility model, the position limiting extrusion mechanism comprises:

[0013] A guide rod, wherein the guide rod is fixedly arranged on the flip plate through a mounting seat, and a mounting block is slidably sleeved on the guide rod;

[0014] An adjusting sleeve, wherein the adjusting sleeve is rotatably arranged on the side wall of the mounting block through a bearing, a second threaded rod is rotatably penetrated through the middle of the adjusting sleeve through a thread, and an end of the second threaded rod is fixedly arranged on the side wall of the extrusion plate;

[0015] The limiting rods are multiple in number, and one end of the limiting rod is fixedly arranged on the extrusion plate, and the other end of the limiting rod is movably arranged on the mounting block.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the blood sampling and fixing device for animal experiments described in the utility model can open and fix the limbs of a mouse, and can assist in the squeezing operation to help the blood flow out. At the same time, the body of the mouse can be turned over and lifted according to the blood sampling position, which is more practical. The utility model has the advantages of reasonable setting and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 yes Figure 1 Enlarged view of part A in .

[0019] Figure 3 yes Figure 1 Enlarged view of part B in .

[0020] Figure 4 yes Figure 1 Enlarged view of part C in .

[0021] Description of reference numerals:

[0022] Bottom plate 1, flip plate 2, rotating shaft 3, locking buckle 4, slot 5, buckle 6, flip limit mechanism 7, gear 7-1, rack 7-2, guide block 7-3, guide slot 7-4, No. 1 threaded rod 7-5, plum blossom hand screw 8, anti-skid gasket 9, limit extrusion mechanism 10, guide rod 10-1, mounting block 10-2, adjusting sleeve 10-3, No. 2 threaded rod 10-4, extrusion plate 10-5, limit rod 10-6. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] See Figure 1-4 As shown, this embodiment comprises a bottom plate 1 and a flip plate 2, a rotating shaft 3 is fixedly provided on one side of the flip plate 2 by bolts, and both sides of the rotating shaft 3 are rotatably provided on the bottom plate 1 by shaft seats; an anti-skid pad 9 is fixedly provided on the bottom of the bottom plate 1 by bolts; the anti-skid pad 9 increases the friction between the bottom plate 1 and the placement surface to ensure the stability of the device when in use;

[0026] The locking buckles 4 are four in number, one side of the four locking buckles 4 is rotatably arranged on the flip plate 2 through an axle seat, and a clamping groove 5 is provided on the other side of the locking buckles 4. The locking buckles 4 are movably clamped on the clamping buckles 6 through the clamping groove 5. The clamping buckles 6 are fixedly arranged on the flip plate 2, and the middle part of the locking buckles 4 is arranged in an arc structure;

[0027] The limiting and squeezing mechanism includes two limiting and squeezing mechanisms, which are symmetrically arranged on both sides of the flip plate 2;

[0028] The flip limiting mechanism 7 is arranged on one side of the rotating shaft 3 , and the other side of the flip limiting mechanism 7 is arranged on the bottom plate 1 .

[0029] Embodiment 2:

[0030] See Figure 1-4 As shown, based on Example 1, the flip limiting mechanism 7 includes:

[0031] Gear 7-1, the gear 7-1 is fixedly arranged at the end of the rotating shaft 3 by bolts, a rack 7-2 is meshedly arranged on the lower side of the gear 7-1, and the rack 7-2 is arranged in a guide groove 7-4 opened on the bottom plate 1 when sliding through the guide block 7-3; the guide block 7-3 and the guide groove 7-4 are both arranged in a "T"-shaped structure, a No. 1 threaded rod 7-5 is rotatably penetrated on one side of the rack 7-2 by thread, and the No. 1 threaded rod 7-5 is rotatably arranged on the bottom plate 1 through an axle seat, and a plum blossom hand screw 8 is fixedly arranged at the end of the No. 1 threaded rod 7-5 by bolts; the No. 1 threaded rod 7-5 can be conveniently adjusted by the arrangement of the plum blossom hand screw 8;

[0032] Embodiment 3:

[0033] See Figure 1-4 As shown, based on Example 1, the position limiting and squeezing mechanism 10 comprises:

[0034] A guide rod 10-1, wherein the guide rod 10-1 is fixedly mounted on the flip plate 2 via a mounting seat, and a mounting block 10-2 is slidably sleeved on the guide rod 10-1;

[0035] An adjusting sleeve 10-3, wherein the adjusting sleeve 10-3 is rotatably arranged on the side wall of the mounting block 10-2 through a bearing, a second threaded rod 10-4 is rotatably penetrated through the middle of the adjusting sleeve 10-3 through a thread, and an end of the second threaded rod 10-4 is fixedly arranged on the side wall of the extrusion plate 10-5 through bolts;

[0036] The limiting rod 10-6 is a plurality of limiting rods 10-6, and one end of the limiting rod 10-6 is fixedly arranged on the extrusion plate 10-5, and the other end of the limiting rod 10-6 is movably arranged on the mounting block 10-2.

[0037] When using the utility model, the limbs of the mouse are placed on the lower side of the locking buckle 4, and the locking buckle 4 is turned over and clamped on the buckle 6 through the clamping slot 5 thereon to fix the limbs of the mouse; then the adjusting sleeve 10-3 is rotated, and since the No. 2 threaded rod 10-4 is rotatably connected with the adjusting sleeve 10-3 through a thread, the adjusting sleeve 10-3 drives the squeezing plate 10-5 to move to the side close to the mouse, and the squeezing plates 10-5 on both sides clamp and squeeze the mouse; the eye socket is used When drawing blood from an artery or vein or by the decapitation method, the mouse after the eyeball is taken out or the mouse with the neck cut off and the head cut off can be clamped on the flip plate 2, with the mouse neck facing downward, and then the No. 1 threaded rod 7-5 is rotated, the No. 1 threaded rod 7-5 drives the rack 7-2 to move in the guide groove 7-4, the rack 7-2 drives the gear 7-1 to rotate, and then the flip plate 2 is rotated, and the flip plate 2 is erected to allow the mouse blood to drip into the container, making it more convenient to draw blood.

[0038] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0039] 1. By setting the locking buckle 4 and the position-limiting squeezing mechanism 10, the limbs of the mouse can be opened and fixed, and the squeezing operation can be assisted to help the blood flow out;

[0040] 2. By setting the flip limit mechanism 7, the body of the mouse can be flipped and lifted according to the blood collection position, which is more practical.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blood sampling and fixing device for animal experiments, characterized in that: It comprises a bottom plate (1) and a flip plate (2); a rotating shaft (3) is fixedly arranged on one side of the flip plate (2); and two sides of the rotating shaft (3) are rotatably arranged on the bottom plate (1) via shaft seats; Locking buckles (4), the locking buckles (4) are four in number, one side of the four locking buckles (4) is rotatably arranged on the flip plate (2) through an axle seat, and a clamping groove (5) is provided on the other side of the locking buckles (4), the locking buckles (4) are movably clamped on the clamping buckles (6) through the clamping groove (5), and the clamping buckles (6) are fixedly arranged on the flip plate (2), and the middle part of the locking buckles (4) is arranged in an arc-shaped structure; A position limiting and squeezing mechanism, wherein the position limiting and squeezing mechanisms are two in number and are symmetrically arranged on both sides of the flip plate (2); A flip limiting mechanism (7), wherein the flip limiting mechanism (7) is arranged on one side of the rotating shaft (3), and the other side of the flip limiting mechanism (7) is arranged on the bottom plate (1).

2. The blood sampling and fixing device for animal experiments according to claim 1, characterized in that: The flip limiting mechanism (7) comprises: A gear (7-1), wherein the gear (7-1) is fixedly arranged at the end of the rotating shaft (3), a rack (7-2) is meshedly arranged on the lower side of the gear (7-1), and the rack (7-2) is arranged in a guide groove (7-4) provided on the bottom plate (1) when sliding through a guide block (7-3); the guide block (7-3) and the guide groove (7-4) are both arranged in a "T"-shaped structure, and a No. 1 threaded rod (7-5) is rotatably penetrated through one side of the rack (7-2) through a thread, and the No. 1 threaded rod (7-5) is rotatably arranged on the bottom plate (1) through an axle seat.

3. The blood sampling and fixing device for animal experiments according to claim 2, characterized in that: A plum blossom hand screw (8) is fixedly arranged at the end of the No. 1 threaded rod (7-5).

4. The blood sampling and fixing device for animal experiments according to claim 1, characterized in that: An anti-slip pad (9) is fixedly arranged at the bottom of the base plate (1).

5. The blood sampling and fixing device for animal experiments according to claim 1, characterized in that: The position limiting and squeezing mechanism (10) comprises: A guide rod (10-1), wherein the guide rod (10-1) is fixedly arranged on the flip plate (2) via a mounting seat, and a mounting block (10-2) is slidably sleeved on the guide rod (10-1); An adjusting sleeve (10-3), wherein the adjusting sleeve (10-3) is rotatably arranged on the side wall of the mounting block (10-2) via a bearing, a second threaded rod (10-4) is rotatably penetrated through the middle of the adjusting sleeve (10-3) via a thread, and an end of the second threaded rod (10-4) is fixedly arranged on the side wall of the extrusion plate (10-5); The limiting rod (10-6) is a plurality of limiting rods (10-6), one end of the limiting rod (10-6) is fixedly arranged on the extrusion plate (10-5), and the other end of the limiting rod (10-6) is movably arranged on the mounting block (10-2).

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