CN220025291U

CN220025291U - Rat fixer

Info

Publication number: CN220025291U
Application number: CN202321424217.6U
Authority: CN
Inventors: 林威; 金雯雯; 郏金秋; 袁昊; 李建顺; 林振浪
Original assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Current assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-17
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a rat fixer, which comprises a placing plate, wherein an extension assembly used for extending and binding the length is arranged at the bottom end of the placing plate, the extension assembly comprises an extension plate, and a first limiting piece and a second limiting piece used for fixing binding ropes are respectively arranged at one side of the top ends of the placing plate and the extension plate; according to the utility model, by means of the design of the placing plate, the second groove, the first groove, the adjusting bolt, the extension assembly, the first limiting piece and the second limiting piece, the distance between the first limiting piece and the second limiting piece is adjusted by rotating and loosening the adjusting bolt and pulling the extension plate, so that the four limbs of rats are bound according to the length of the rats, and the first fixing block and the second fixing block can be respectively positioned at different positions in the first clamping groove and the second clamping groove by fixing the first binding belt and the second binding belt at the first limiting block and the second limiting block at different positions, so that the four limbs of rats with different sizes can be completely pulled out, and experimental operation is more convenient.

Description

Rat fixer

Technical Field

The utility model relates to the technical field of experimental animal fixation, in particular to a rat fixer.

Background

Rats are one of the most commonly used medical laboratory animals, and the need for a firm, accurate restriction of non-anesthetized rats is a requirement for success of the experiment.

Most of the rat fixing devices commonly used at present utilize the mind that rats prefer to drill holes, and the rats are plugged into the barreled fixing device for fixing, but the fixing mode has the following defects in actual use, in the prior art, the rats lack of adjustment on the fixing length of the rats in the barreled fixing device, and simultaneously lack of independent fixing of the heads and the limbs, so that the rats lack of exposed parts, which cannot meet the requirements of some experiments, and have certain defects.

Disclosure of Invention

The present utility model is directed to a rat fixator, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the rat fixer comprises a placing plate, an extension assembly used for extending and binding the length is arranged at the bottom end of the placing plate, the extension assembly comprises an extension plate, a first groove and a second groove used for adjusting the distance between the placing plate and the top end of the extension plate are respectively formed in the top end of the placing plate, and a first limiting piece and a second limiting piece used for fixing binding ropes are respectively arranged on two sides of the top end of the placing plate and the two sides of the top end of the extension plate.

Preferably, the device comprises a placing plate, an extension assembly used for extending and binding the length is arranged at the bottom end of the placing plate, the extension assembly comprises an extension plate, a first groove and a second groove used for adjusting the distance between the placing plate and the top end of the extension plate are respectively formed in the top end of the placing plate, and a first limiting part and a second limiting part used for fixing binding ropes are respectively arranged on one sides of the top ends of the placing plate and the extension plate.

Preferably, the first groove and the second groove are connected with adjusting bolts for limiting displacement between the placing plate and the extending plate in a penetrating mode.

Preferably, the two ends of one side of the placing plate are respectively provided with a first clamping groove for installing a first limiting part, the first limiting part comprises a first connecting part and a first binding belt, the first connecting part is sleeved in the first clamping groove, and one end of the first binding belt is fixedly connected with one side of the first connecting part.

Preferably, the top fixedly connected with first fixed block of first connecting piece, first circular logical groove that is used for fixed bundle rope has been seted up to one side of first fixed block, first jack is worn to the other end of first binding band has been seted up, the bottom fixedly connected with of placing the board is used for installing the first stopper of first binding band.

Preferably, a second clamping groove for installing a second limiting part is formed in one side of the extension plate, the second limiting part comprises a second connecting part and a second binding belt, the second connecting part is sleeved in the second clamping groove, and one end of the second binding belt is fixedly connected with one side of the second connecting part.

Preferably, the top fixedly connected with second fixed block of second connecting piece, the circular logical groove of second that is used for fixed bundle rope is seted up to one side of second fixed block, the jack is worn to the second to the other end of second binding band has been seted up, the bottom fixedly connected with of extension board is used for installing the second stopper of second binding band.

The utility model has the technical effects and advantages that:

according to the utility model, by means of the design of the placing plate, the second groove, the first groove, the adjusting bolt, the extension assembly, the first limiting piece and the second limiting piece, the distance between the first limiting piece and the second limiting piece can be adjusted by rotating and loosening the adjusting bolt and pulling the extension plate, so that the four limbs of rats can be bound according to the length of the rats, and the first fixing block and the second fixing block can be respectively positioned at different positions in the first clamping groove and the second clamping groove by fixing the first binding belt and the second binding belt at the first limiting block and the second limiting block at different positions, so that the four limbs of rats with different sizes can be completely pulled out, and experimental operation is more convenient.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

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

Fig. 3 is an enlarged view of the structure B of fig. 1 according to the present utility model.

Fig. 4 is a schematic structural view of a first limiting member according to the present utility model.

In the figure: 1. placing a plate; 2. an extension plate; 3. a first groove; 4. a second groove; 5. an adjusting bolt; 6. a first support base; 7. a second support base; 8. a first clamping groove; 9. a first connector; 10. a first fixed block; 11. a first binding band; 12. a first limiting block; 13. a second clamping groove; 14. a second connector; 15. a second fixed block; 16. a second binding band; 17. and a second limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a rat fixer as shown in fig. 1-4, which comprises a placing plate 1, wherein an extension assembly for extending and binding length is arranged at the bottom end of the placing plate 1, the extension assembly comprises an extension plate 2, a first groove 3 and a second groove 4 for adjusting the distance between the placing plate 1 and the extension plate 2 are respectively arranged at the top ends of the placing plate 1 and the extension plate 2, and a first limiting piece and a second limiting piece for fixing binding ropes are respectively arranged at two sides of the top ends of the placing plate 1 and the extension plate 2.

Specifically, one side fixedly connected with of placing the board 1 bottom is used for supporting the first supporting seat 6 of placing the board 1, and one side fixedly connected with of extension board 2 bottom is used for supporting the second supporting seat 7 of extension board 2, alternates in first recess 3 and the second recess 4 and is connected with the adjusting bolt 5 that is used for limiting the displacement between placing board 1 and the extension board 2.

Further, the head groove has been seted up to one side of placing board 1 for place the head of rat, the standing groove is the rectangle, the length of placing board 1 is 15cm, width 20cm, thickness 2cm, the length 15cm of extension board 2, width 20cm, thickness 2cm, the width of first supporting seat 6 and second supporting seat 7 is corresponding with placing board 1 and extension board 2 respectively, the height of first supporting seat 6 is higher than the height of second supporting seat 7 by 2cm, the bottom of first supporting seat 6 and second supporting seat 7 is in same horizontal plane, first recess 3 has been seted up respectively to the both sides on placing board 1 top, second recess 4 has been seted up respectively to the both sides on extension board 2 top, first recess 3 length 8cm, second recess 4 length 8cm, the interval length between adjacent first recess 3 and the adjacent second recess 4 is second binding band 16cm, first recess 3 sets up with the central line symmetry of placing board 1, second recess 4 sets up with the central line symmetry of extension board 2, adjusting bolt 5 alternates simultaneously in the inside first recess 3 and second recess 4, through rotatory tight board 5, can not stretch the extension board 2, can not stretch the bolt 5 between the extension board is tight, can be moved, can't be adjusted and the extension board is moved, can be adjusted and the bolt is moved.

Specifically, the first draw-in groove 8 that is used for installing first locating part has been seted up respectively to the both ends of placing board 1 one side, first locating part includes first connecting piece 9 and first tie-in area 11, first connecting piece 9 cup joints the inside at first draw-in groove 8, the one end of first tie-in area 11 and one side fixed connection of first connecting piece 9, the first fixed block 10 of top fixedly connected with of first connecting piece 9, the first circular logical groove that is used for fixed tie-in area is seted up to one side of first fixed block 10, first jack is seted up to the other end of first tie-in area 11, the first stopper 12 that is used for installing first tie-in area 11 is seted up to the bottom fixedly connected with of placing board 1, the second draw-in groove 13 that is used for installing second locating part is seted up to one side of extension board 2, the second locating part includes second connecting piece 14 and second tie-in area 16, the inside at second draw-in area 14 cup joints, the one end of second tie-in area 16 and one side fixed connection of second connecting piece 14, the first round jack is seted up to the top fixed block 15 of second connecting piece 14, the second tie-in area 15 is used for installing second tie-in area 16 is fixed to the second tie-in area 16, the second jack is seted up to one side of second tie-in area 2.

Further, the first clamping groove 8 is arranged on two sides of one end of the placing plate 1 close to the first supporting seat 6, the second clamping groove 13 is arranged on two sides of one end of the extending plate 2 close to the second supporting seat 7, the size specifications of the first clamping groove 8 and the second clamping groove 13 are the same, the size of the first clamping groove 8 is 2cm at the upper bottom, 4cm at the lower bottom, 1cm high and 5cm deep, the size specifications of the first limiting piece and the second limiting piece are the same, the first connecting piece 9 and the first clamping groove 8 are isosceles trapezium, the size of the first connecting piece 9 is 0.95 times of the size of the first clamping groove 8, fixing holes are symmetrically arranged on one sides of the first fixing block 10 and the second fixing block 15 in a centering manner, the fixing holes are symmetrically arranged in a centering manner, the interval between the two fixing holes of the same first fixing block 10 and the second fixing block 15 is 1cm, the fixing holes are used for inserting binding ropes for binding four limbs of rats, the size of the first limiting block 12 and the second limiting block 17 are the same, the specification size of first binding area 11 is the same with the specification size of second binding area 16, length is 8cm, first stopper 12 of first binding area 11 has two parts to constitute, the one end that keeps away from first locating part is the spheroid, the one end that is close to first locating part is the cylinder, place board 1 and extension board 2 respectively along the bottom of first draw-in groove 8 and the straight line direction of second draw-in groove 13, first stopper 12 of fixed connection respectively and second stopper 17, first stopper 12 and equidistant straight line setting of second stopper 17, install the first stopper 12 and the second stopper 17 in different positions through first jack and second jack respectively, realize that first locating part and second locating part are in the inside position of first draw-in groove 8 and second draw-in groove 13 respectively, thereby expect the tensile effect to the rat four limbs, make more positions of rat expose.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The rat fixer comprises a placing plate (1), and is characterized in that an extension assembly used for extending and binding the length is arranged at the bottom end of the placing plate (1), the extension assembly comprises an extension plate (2), a first groove (3) and a second groove (4) used for adjusting the distance between the placing plate (1) and the top end of the extension plate (2) are respectively formed in the top end of the placing plate, and a first limiting piece and a second limiting piece used for fixing binding ropes are respectively arranged on two sides of the top ends of the placing plate (1) and the extension plate (2).

2. The rat fixator according to claim 1, wherein a first supporting seat (6) for supporting the placing plate (1) is fixedly connected to one side of the bottom end of the placing plate (1), and a second supporting seat (7) for supporting the extending plate (2) is fixedly connected to one side of the bottom end of the extending plate (2).

3. The rat holder of claim 1, wherein the first groove (3) and the second groove (4) are connected with an adjusting bolt (5) for limiting the displacement between the placing plate (1) and the extending plate (2) in a penetrating way.

4. The rat fixator according to claim 1, wherein the two ends of one side of the placing plate (1) are respectively provided with a first clamping groove (8) for installing a first limiting part, the first limiting part comprises a first connecting piece (9) and a first binding belt (11), the first connecting piece (9) is sleeved in the first clamping groove (8), and one end of the first binding belt (11) is fixedly connected with one side of the first connecting piece (9).

5. The rat fixator according to claim 4, wherein the top end of the first connecting piece (9) is fixedly connected with a first fixing block (10), a first circular through groove for fixing the binding rope is formed in one side of the first fixing block (10), a first penetrating hole is formed in the other end of the first binding belt (11), and a first limiting block (12) for installing the first binding belt (11) is fixedly connected to the bottom end of the placing plate (1).

6. The rat fixator according to claim 1, wherein a second clamping groove (13) for installing a second limiting piece is formed in one side of the extension plate (2), the second limiting piece comprises a second connecting piece (14) and a second binding belt (16), the second connecting piece (14) is sleeved in the second clamping groove (13), and one end of the second binding belt (16) is fixedly connected with one side of the second connecting piece (14).

7. The rat fixator according to claim 6, wherein the top end of the second connecting piece (14) is fixedly connected with a second fixing block (15), a second circular through groove for fixing the binding rope is formed in one side of the second fixing block (15), a second penetrating hole is formed in the other end of the second binding belt (16), and a second limiting block (17) for installing the second binding belt (16) is fixedly connected to the bottom end of the extension plate (2).