CN214805663U

CN214805663U - Mouse tail intravenous route fixing device

Info

Publication number: CN214805663U
Application number: CN202121600739.8U
Authority: CN
Inventors: 田晓丽
Original assignee: Shanghai Beautiful Life Medical Technology Co ltd
Current assignee: Shanghai Beautiful Life Medical Technology Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-11-23
Anticipated expiration: 2031-07-14

Abstract

The utility model belongs to the field of mouse tail vein injection, in particular to a mouse tail vein injection fixing device, aiming at the problems of poor fixing effect, heavy weight, inconvenient movement and inconvenient operation of the existing fixing device, the utility model provides a proposal which comprises a workbench, a cage is fixedly connected on the workbench, the top of the cage is provided with an opening, a top cover is clamped at the top of the cage, the bottom of the cage runs through the workbench and extends to the lower part of the bottom of the workbench, the bottom of the cage is fixedly connected with a fixing box, the bottom of the cage is provided with a through hole communicated with the fixing box, the bottom of the fixing box is provided with a tail fixing hole, a power component is arranged in the fixing box, the utility model has reasonable structure, a plurality of pressing plates can be moved by the power component, thereby compressing and fixing the mouse tail, the fixing effect is good, the whole structure is compact, the fixing device is light and convenient to operate.

Description

Mouse tail intravenous route fixing device

Technical Field

The utility model relates to a mouse tail intravenous route technical field especially relates to a mouse tail intravenous route fixing device.

Background

The fixed tail vein injection experiment of carrying on of laboratory mouse is comparatively common, and the device that is used for the mouse to fix is also diversified, but existing fixing device also has a great deal of problem, for example the price is high needs, and fixed effect is poor, and general fixing device is heavier, and mostly be metal or glass etc. it is very inconvenient to move the instrument, if need remove the mouse after will fixing, it is very inconvenient to operate, so we provide a mouse tail vein injection fixing device for solve the above-mentioned problem that provides.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the fixing effect of the existing fixing device is poor, the fixing device is heavy, the fixing device is inconvenient to move and inconvenient to operate, and the fixing device for the tail vein injection of the mouse is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mouse tail vein injection fixing device comprises a workbench, wherein a cage is fixedly connected to the workbench, an opening is formed in the top of the cage, a top cover is clamped on the top of the cage, the bottom of the cage penetrates through the workbench and extends to the position below the bottom of the workbench, a fixing box is fixedly connected to the bottom of the cage, a through hole communicated with the fixing box is formed in the bottom of the cage, a tail fixing hole is formed in the bottom of the fixing box, a power assembly is arranged in the fixing box, a moving plate is connected to the power assembly in a transmission mode, a plurality of pressing plates are fixedly connected to the left side of the moving plate, a cushion pad is fixedly connected to the left sides of the pressing plates, a positioning plate is fixedly connected to the inside of the fixing box, supporting legs are fixedly connected to four corners of the bottom of the workbench, anti-skid pads are fixedly connected to the bottoms of the four supporting legs, and the pressing plates can move through the power assembly, thereby can compress tightly fixedly with the rat tail, fixed effectual, and overall structure is compact, and is light, the operation of being convenient for more.

Preferably, the cage is transparent, a plurality of bleeder vents communicated with the inner cavity of the cage are formed in the circumferential side wall of the cage, the diameter ratio of the cage is slightly shorter than the body length of a mouse, so that the mouse is not easy to restless in the cage, the activity of the mouse can be well limited, and later injection is facilitated.

Preferably, the power assembly comprises a driving shaft, two gears, two racks, a rectangular plate, two threaded shafts, two threaded plates, two connecting plates, two transmission rods and two connecting rods, a fixed plate is fixedly connected to the inner wall of the right side of the fixed box, the left end of the driving shaft is rotatably connected to the right side of the fixed plate, the right end of the driving shaft extends to the outside of the right side of the fixed box and is fixedly connected with a handle, the gears are fixedly sleeved on the driving shaft, the gears are meshed with the racks, the bottom of the racks is fixedly connected with the top of the rectangular plate, the top of the threaded shafts is rotatably connected with the inner wall of the top of the fixed box, bevel gears are fixedly sleeved on the bottom end of the threaded shafts and the driving shaft, the two bevel gears are meshed with each other, the threaded plates are in threaded connection with the threaded shafts, and the right sides of the two connecting plates are fixedly connected with the left sides of the rectangular plate and the threaded plates respectively, one end of each of the two transmission rods is rotatably connected with one side, away from each other, of each of the two connecting plates, one end of each of the two connecting rods is rotatably connected with the right side of the movable plate, the other end of each of the two connecting rods is rotatably connected with the other end of each of the two transmission rods, the driving shaft can rotate the gear, the gear can move the rack downwards, the rack can move the rectangular plate downwards, the driving shaft can rotate the threaded shaft through the two bevel gears, and the threaded shaft can move the threaded plate upwards, so that the rectangular plate and the threaded plate can keep the two connecting plates away from each other, so that the two transmission rods can rotate, the movable plate can move leftwards through the two connecting rods, so that the plurality of pressing plates can move leftwards, the plurality of pressing plates can compress the mouse tails, and the cushion can prevent the mouse tails from being damaged, just so can fix the rat tail, fixed effectual, and single just can operate, it is more convenient to operate.

Preferably, the bottom symmetry fixedly connected with riser of top cap, the equal fixedly connected with spring in one side that two risers are close to each other, the equal fixedly connected with L shape card post of one end that two springs are close to each other, the top of two L shape card posts all with the bottom sliding connection of top cap, the draw-in groove with L shape card post looks adaptation is all seted up to the both sides of cage utensil, L shape card post clamps with the draw-in groove mutually, clamps with the draw-in groove mutually through two L shape card posts, can fix the top cap, can prevent like this that the mouse from moving or violently struggling the time and knock over the cage utensil.

Preferably, equal fixedly connected with backup pad on the top inner wall of fixed case and the bottom inner wall, the equal fixedly connected with telescopic link in left side of two backup pads, the left end of two telescopic links all with the right side fixed connection of movable plate, the telescopic link can support the movable plate, and can make the movable plate remove more firm.

Preferably, the sliding grooves are symmetrically formed in the inner wall of the right side of the fixed box, the right sides of the rectangular plate and the threaded plate are respectively in sliding connection with the inner walls of the right sides of the two sliding grooves, the sliding grooves can enable the rectangular plate and the threaded plate to move more smoothly, and position deviation cannot occur.

Has the advantages that: clamp with the draw-in groove through two L shape card posts mutually, can fix the top cap, can prevent like this that the mouse from moving or violently struggling when knocking over the cage utensil, the cage utensil is the transparence simultaneously, and has seted up a plurality of bleeder vents, can make the mouse be difficult for restless in the cage utensil like this, and the diameter ratio mouse body length of cage utensil is short slightly simultaneously, can restrict the activity of mouse like this well, the later stage injection of being convenient for.

Through rotating the drive shaft, the drive shaft can make the gear revolve, the gear can make rack downstream, the rack can make the rectangular plate downstream, the drive shaft can make the screw thread axle rotate through two bevel gears, the screw thread axle can make the screw thread board rebound, rectangular plate and screw thread board can make two connecting plates keep away from each other like this, thereby can make two transfer lines rotate, can make the movable plate move left through two connecting rods, thereby can a plurality of clamp plates move left, a plurality of clamp plates can compress tightly the mousetail, owing to set up the blotter, the blotter can prevent to cause the damage with the mouse tail, just so can fix the mouse tail, it is fixed effectual, and single just can be operated, it is more convenient to operate.

The utility model discloses it is rational in infrastructure, can make a plurality of clamp plates remove through power component to can compress tightly fixedly with the rat tail, it is fixed effectual, and overall structure is compact, and is light, the operation of being convenient for more.

Drawings

Fig. 1 is a schematic view of a structure of a mouse tail vein injection fixing device provided by the present invention;

fig. 2 is a schematic cross-sectional structural view of a fixing box of the mouse tail vein injection fixing device provided by the utility model;

fig. 3 is a schematic view of a three-dimensional structure of a mouse tail vein injection fixing device provided by the present invention;

fig. 4 is an enlarged schematic structural view of a portion a of the mouse tail vein injection fixing device provided by the present invention.

In the figure: 1 workbench, 2 cages, 3 top covers, 4 fixed boxes, 5 positioning plates, 6 moving plates, 7 pressing plates, 8 air holes, 9 driving shafts, 10 gears, 11 racks, 12 rectangular plates, 13 threaded shafts, 14 threaded plates, 15 connecting plates, 16 transmission rods, 17 connecting rods, 18 telescopic rods, 19 sliding grooves, 20L-shaped clamping columns and 21 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a mouse tail vein injection fixing device comprises a workbench 1, a cage 2 is fixedly connected to the workbench 1, an opening is arranged at the top of the cage 2, a top cover 3 is clamped at the top of the cage 2, the bottom of the cage 2 penetrates through the workbench 1 and extends to the lower part of the bottom of the workbench 1, a fixed box 4 is fixedly connected to the bottom of the cage 2, a through hole communicated with the fixed box 4 is arranged at the bottom of the cage 2, a tail fixing hole is arranged at the bottom of the fixed box 4, a power assembly is arranged in the fixed box 4, a movable plate 6 is in transmission connection with the power assembly, a plurality of press plates 7 are fixedly connected to the left side of the movable plate 6, cushion pads are fixedly connected to the left sides of the press plates 7, positioning plates 5 are fixedly connected to the inside of the fixed box 4, supporting legs are fixedly connected to the four corners of the bottom of the workbench 1, and anti-skid pads are fixedly connected to the bottoms of the four supporting legs, the cage 2 is transparent, a plurality of air holes 8 communicated with an inner cavity of the cage 2 are formed in the circumferential side wall of the cage 2, the diameter of the cage 2 is slightly shorter than the body length of a mouse, the power assembly comprises a driving shaft 9, a gear 10, a rack 11, a rectangular plate 12, a threaded shaft 13, a threaded plate 14, a connecting plate 15, a transmission rod 16 and a connecting rod 17, the number of the connecting plate 15, the transmission rod 16 and the connecting rod 17 is two, a fixed plate is fixedly connected to the inner wall of the right side of the fixed box 4, the left end of the driving shaft 9 is rotatably connected with the right side of the fixed plate, the right end of the driving shaft 9 extends to the outer part of the right side of the fixed box 4 and is fixedly connected with a handle, the gear 10 is fixedly sleeved on the driving shaft 9, the gear 10 is meshed with the rack 11, the bottom of the rack 11 is fixedly connected with the top of the rectangular plate 12, the top end of the threaded shaft 13 is rotatably connected with the inner wall of the top of the fixed box 4, bevel gears are fixedly sleeved on the bottom end of the threaded shaft 13 and the driving shaft 9, two bevel gears are meshed with each other, a threaded plate 14 is in threaded connection with a threaded shaft 13, the right sides of two connecting plates 15 are respectively fixedly connected with the left sides of a rectangular plate 12 and the threaded plate 14, one ends of two transmission rods 16 are respectively rotatably connected with the sides, far away from each other, of the two connecting plates 15, one ends of two connecting rods 17 are respectively rotatably connected with the right sides of a movable plate 6, the other ends of the two connecting rods 17 are respectively rotatably connected with the other ends of the two transmission rods 16, the bottom of a top cover 3 is symmetrically and fixedly connected with a vertical plate, one sides, near to each other, of the two vertical plates are respectively and fixedly connected with springs 21, one ends, near to each other, of the two springs 21 are respectively and fixedly connected with L-shaped clamping columns 20, the tops of the two L-shaped clamping columns 20 are respectively and slidably connected with the bottom of the top cover 3, the two sides of the cage 2 are respectively provided with clamping grooves matched with the L-shaped clamping columns 20, the L-shaped clamping columns 20 are clamped with the clamping grooves, the top cover 3 can be fixed, so that the cage 2 can be prevented from being knocked over when a mouse moves or struggles violently, meanwhile, the cage 2 is transparent and is provided with a plurality of air holes 8, so that the mouse is not easy to restless in the cage 2, meanwhile, the diameter of the cage 2 is slightly shorter than the length of the mouse, so that the movement of the mouse can be well limited, the later injection is convenient, the driving shaft 9 can rotate the gear 10 by rotating the driving shaft 9, the gear 10 can move the rack 11 downwards, the rack 11 can move the rectangular plate 12 downwards, the driving shaft 9 can rotate the threaded shaft 13 by two bevel gears, the threaded shaft 13 can move the threaded plate 14 upwards, so that the rectangular plate 12 and the threaded plate 14 can mutually separate the two connecting plates 15, so that the two transmission rods 16 can rotate, the movable plate 6 can move leftwards by the two connecting rods 17, thereby can a plurality of clamp plates 7 move left, a plurality of clamp plates 7 can compress tightly mouse tail, owing to set up the blotter, the blotter can prevent to cause the damage with the rat tail, just so can fix the rat tail, and fixed effectual, and single just can be operated, it is more convenient to operate, the utility model discloses rational in infrastructure can make a plurality of clamp plates 7 move through power component to can compress tightly fixedly with the rat tail, fixed effectual, and overall structure is compact, and is light, the operation of being convenient for more.

The utility model discloses in, equal fixedly connected with backup pad on the top inner wall of fixed case 4 and the bottom inner wall, the equal fixedly connected with telescopic link 18 in left side of two backup pads, the left end of two telescopic links 18 all with the right side fixed connection of movable plate 6, telescopic link 18 can support movable plate 6, and can make movable plate 6 remove more firm.

The utility model discloses in, spout 19 has been seted up to the symmetry on the right side inner wall of fixed case 4, rectangular plate 12 and screw plate 14 right side respectively with two spout 19's right side inner wall sliding connection, spout 19 can make rectangular plate and screw plate 14 remove more smoothly, can not take place the offset.

The working principle is as follows: when the mouse tail fixing device is used specifically, a mouse is placed in the cage 2, the tail of the mouse penetrates through the through hole and extends to the outside of the tail fixing hole, then the two L-shaped clamping columns 20 are moved to enable the two L-shaped clamping columns 20 to be away from each other, the two springs 21 are compressed, then the top cover 3 is covered, the two L-shaped clamping columns 20 are loosened, the L-shaped clamping columns 20 can be clamped with the clamping grooves under the action of the two springs 21, so that the top cover 3 can be fixed, the cage 2 can be prevented from being knocked over when the mouse moves or violently struggles, then the driving shaft 9 is rotated in the forward direction, the gear 10 can be rotated by the driving shaft 9, the gear 10 can be moved downwards by the gear 11, the rectangular plate 12 can be moved downwards by the rack 11, the driving shaft 9 can be rotated by the two bevel gears, the threaded shaft 13 can be moved upwards by the threaded plate 14, so that the rectangular plate 12 and the threaded plate 14 can be away from each other, thereby can make two transfer lines 16 rotate, can make the movable plate 6 move left through two connecting rods 17 to can a plurality of clamp plates 7 move left, a plurality of clamp plates 7 can compress tightly the mouse tail, owing to set up the blotter, the blotter can prevent to cause the damage with the mouse tail, just so can fix the mouse tail, and is fixed effectual, and overall structure is compact simultaneously, lightly, the operation of being convenient for more.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The mouse tail vein injection fixing device comprises a workbench (1) and is characterized in that a cage (2) is fixedly connected to the workbench (1), an opening is formed in the top of the cage (2), a top cover (3) is clamped at the top of the cage (2), the bottom of the cage (2) penetrates through the workbench (1) and extends to the bottom lower portion of the workbench (1), a fixed box (4) is fixedly connected to the bottom of the cage (2), a through hole communicated with the fixed box (4) is formed in the bottom of the cage (2), a tail fixing hole is formed in the bottom of the fixed box (4), a power assembly is arranged in the fixed box (4), a movable plate (6) is connected to the power assembly in a transmission manner, a plurality of pressing plates (7) are fixedly connected to the left side of the movable plate (6), and cushion pads are fixedly connected to the left sides of the pressing plates (7), fixedly connected with locating plate (5) in fixed box (4), equal fixedly connected with landing leg, the equal fixedly connected with slipmat in bottom of four landing legs on the bottom four corners position of workstation (1).

2. The mouse tail vein injection fixing device according to claim 1, wherein the cage (2) is transparent, a plurality of air holes (8) communicated with an inner cavity of the cage (2) are formed in the circumferential side wall of the cage (2), and the diameter of the cage (2) is slightly shorter than the length of a mouse.

3. The mouse tail vein injection fixing device according to claim 1, wherein the power assembly comprises a driving shaft (9), a gear (10), a rack (11), a rectangular plate (12), a threaded shaft (13), a threaded plate (14), a connecting plate (15), a transmission rod (16) and a connecting rod (17), the connecting plate (15), the transmission rod (16) and the connecting rod (17) are all two, a fixing plate is fixedly connected to the inner wall of the right side of the fixing box (4), the left end of the driving shaft (9) is rotatably connected with the right side of the fixing plate, the right end of the driving shaft (9) extends to the outside of the right side of the fixing box (4) and is fixedly connected with a handle, the gear (10) is fixedly sleeved on the driving shaft (9), the gear (10) is meshed with the rack (11), and the bottom of the rack (11) is fixedly connected with the top of the rectangular plate (12), the top end of the threaded shaft (13) is rotationally connected with the inner wall of the top of the fixed box (4), bevel gears are fixedly sleeved on the bottom end of the threaded shaft (13) and the driving shaft (9), the two bevel gears are meshed with each other, the threaded plate (14) is in threaded connection with the threaded shaft (13), the right sides of the two connecting plates (15) are fixedly connected with the left sides of the rectangular plate (12) and the threaded plate (14) respectively, one ends of the two transmission rods (16) are rotationally connected with one sides, far away from each other, of the two connecting plates (15) respectively, one ends of the two connecting rods (17) are rotationally connected with the right side of the movable plate (6), and the other ends of the two connecting rods (17) are rotationally connected with the other ends of the two transmission rods (16) respectively.

4. The mouse tail intravenous injection fixing device according to claim 1, characterized in that the bottom of the top cover (3) is symmetrically and fixedly connected with vertical plates, one side of each vertical plate close to each other is fixedly connected with a spring (21), one end of each spring (21) close to each other is fixedly connected with an L-shaped clamping column (20), the tops of the two L-shaped clamping columns (20) are slidably connected with the bottom of the top cover (3), clamping grooves matched with the L-shaped clamping columns (20) are formed in two sides of the cage (2), and the L-shaped clamping columns (20) are clamped with the clamping grooves.

5. The mouse tail intravenous injection fixing device according to claim 1, wherein supporting plates are fixedly connected to the top inner wall and the bottom inner wall of the fixing box (4), telescopic rods (18) are fixedly connected to the left sides of the two supporting plates, and the left ends of the two telescopic rods (18) are fixedly connected to the right side of the moving plate (6).

6. The mouse tail vein injection fixing device according to claim 3, wherein sliding grooves (19) are symmetrically formed in the right inner wall of the fixing box (4), and the right sides of the rectangular plate (12) and the threaded plate (14) are respectively in sliding connection with the right inner walls of the two sliding grooves (19).